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CN106787056A - A kind of rush-harvesting and rush-planting intelligence trickle charge system and its control method - Google Patents

A kind of rush-harvesting and rush-planting intelligence trickle charge system and its control method Download PDF

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Publication number
CN106787056A
CN106787056A CN201611156999.4A CN201611156999A CN106787056A CN 106787056 A CN106787056 A CN 106787056A CN 201611156999 A CN201611156999 A CN 201611156999A CN 106787056 A CN106787056 A CN 106787056A
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China
Prior art keywords
terminal
rush
switches set
charging gun
state
Prior art date
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Granted
Application number
CN201611156999.4A
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Chinese (zh)
Other versions
CN106787056B (en
Inventor
陈亚梯
游玉香
陈四雄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Kehua Hengsheng Technology Co ltd
Xiamen Kehua Hengsheng Co Ltd
Original Assignee
SHENZHEN KEHUA HENGSHENG TECHNOLOGY Co Ltd
Xiamen Kehua Hengsheng Co Ltd
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Publication of CN106787056A publication Critical patent/CN106787056A/en
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Publication of CN106787056B publication Critical patent/CN106787056B/en
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Classifications

    • H02J7/0027—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/20—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
    • H02J7/04—Regulation of charging current or voltage
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention discloses a kind of rush-harvesting and rush-planting intelligence trickle charge system and its control method.The system includes the first large current charge module, the second large current charge module, trickle charge module, switching systems, control system, the first charging gun and the second charging gun, the control system is respectively connecting to the first large current charge module, the second large current charge module, trickle charge module, switching systems, and charging current and the mode of operation of the first to the 5th switches set of terminal class information controlling switch switching system according to needed for the terminal being connected with the first charging gun, the second charging gun.The present invention solves to use complicated switching systems in existing rush-harvesting and rush-planting control system, and high cost, reliability are low；The charging module utilization rate for solving existing rush-harvesting and rush-planting control system is low, the low problem of charge efficiency.In the case where cost increases seldom, reliability is lifted, control is simple and clear, greatly improves the utilization rate of charging module, reduce the use time of two terminals charging simultaneously.

Description

A kind of rush-harvesting and rush-planting intelligence trickle charge system and its control method
Technical field
The present invention relates to charger technology, more particularly to a kind of rush-harvesting and rush-planting intelligence trickle charge system and its control method.
Background technology
In DC charging motor product at present on the market, most of charger product is all the charging of single charging gun Machine, even if or charger of the in the market with rush-harvesting and rush-planting, also simply constitute simple free-standing rush-harvesting and rush-planting by two separate single rifle chargers Charger；Or the rush-harvesting and rush-planting charger of another suitching type, from functional meaning for simply on the basis of single rifle charger Increase by one charging gun.
In the prior art, as shown in Figure 1, the charging module of rush-harvesting and rush-planting automobile charging system actual is divided into 2 groups, including charging mould Group 1 and charging module 2, charging module 1 include multiple AC/DC charging modules parallel with one another, constitute a charging for high current Module group, same charging module 2 includes multiple AC/DC charging modules parallel with one another, constitutes a charging module for high current 2,2 large current charge module groups of group are again by after simple switching systems, being connected to 2 charging terminals.This system Advantage is a simplified switching systems, but the minimum power switched of charging terminal is improved, and causes the profit of part charging module Very low with rate, the charging interval increases by two cars simultaneously.
Another prior art, as shown in Figure 2, each charging module can be carried out independent switching, according to controller Command selection be connected to charging terminal 1 or charging terminal 2, its advantage is the work(of charging terminal 1 and charging terminal 2 Rate distribution ratio is more flexible, but shortcoming is but clearly：Exploitation switching system is complicated, at most needs 4N switching switch, causes Cost and volume all increase, and control is responsible for, and reliability is very low.Simply theoretical feasible, practical application is considerably less.
The content of the invention
In view of the shortcomings of the prior art, the present invention proposes rush-harvesting and rush-planting intelligence trickle charge system and its control method.
To achieve the above object, the technical scheme is that：A kind of rush-harvesting and rush-planting intelligence trickle charge system, including first is big Electric current charging module, the second large current charge module, trickle charge module, switching systems, control system, the first charging gun With the second charging gun,
The first large current charge module is x AC/DC modules composition parallel with one another；The second large current charge mould Group is y AC/DC modules composition parallel with one another；The trickle charge module is z AC/DC modules composition parallel with one another；
The input of the first large current charge module, the input of the second large current charge module, the tiny stream The input of current charge module is respectively connected to three-phase alternating current；
The switching systems include the first to the 5th switches set, and an end of the first switch group is connected to described first The output end of large current charge module, the another of the first switch group is connected to the first charging gun, for realizing and end of charging The connection at end；
One end of the second switch group is connected to the output end of the second large current charge module, the second switch group It is another be connected to the second charging gun, for realizing and the connection of charging terminal；
One end of the 3rd switches set is connected to the output end of the first large current charge module, the 3rd switches set Another output end for being connected to second largest electric current charging module；
One end of the 4th switches set is connected to the output end of the trickle charge module, the 4th switches set it is another It is connected to the other end of the first switch group；
One end of the 5th switches set is connected to the output end of the trickle charge module, the 5th switches set it is another It is connected to the other end of the second switch group；
The control system is respectively connecting to the first large current charge module, the second large current charge module, trickle charge Module, switching systems, and charging current according to needed for the terminal being connected with the first charging gun, the second charging gun with And the mode of operation of the first to the 5th switches set of terminal class information controlling switch switching system；
Wherein x, y, z is positive integer, and x >=z, y >=z.
In an embodiment of the present invention, the first to the 5th switches set includes first switch and second switch；
One end of the first switch (K1) of the first switch group is connected to the positive output end of the first large current charge module, institute The end for stating the second switch (K2) of first switch group is connected to the negative output terminal of the first large current charge module, the first switch The other end of the first switch (K1) of group, the other end of the second switch (K2) of the first switch group connect the first charging gun；
One end of the first switch (K3) of the second switch group is connected to the positive output end of second largest electric current charging module, institute The end for stating the second switch (K4) of second switch group is connected to the negative output terminal of second largest electric current charging module, the second switch The other end of the first switch (K3) of group, the other end of the second switch (K4) of the second switch group connect the second charging gun；
One end of the first switch (K5) of the 3rd switches set is connected to the positive output end of the first large current charge module, institute Another positive output end for being connected to second largest electric current charging module of the first switch (K5) of the 3rd switches set is stated, the described 3rd opens One end of the second switch (K6) of pass group is connected to the negative output terminal of the first large current charge module, the second of the 3rd switches set Switch another negative output terminal for being connected to second largest electric current charging module of (K6)；
One end of the first switch (K7) of the 4th switches set is connected to the first switch (K1) of the first switch group The other end, another positive output end for being connected to trickle charge module of the first switch (K7) of the 4th switches set, described One end of the second switch (K8) of four switches sets is connected to the other end of the second switch (K2) of the first switch group, the described 4th Another negative output terminal for being connected to trickle charge module of the second switch (K8) of switches set；
One end of the first switch (K9) of the 5th switches set is connected to the first switch (K3) of the second switch group The other end, another positive output end for being connected to trickle charge module of the first switch (K9) of the 5th switches set, described One end of the second switch (K10) of five switches sets is connected to the other end of the second switch (K4) of the second switch group, described Another negative output terminal for being connected to trickle charge module of the second switch (K10) of five switches sets.
Present invention also offers a kind of control method of rush-harvesting and rush-planting intelligence trickle charge system, comprise the following steps,
Step 1, charge information needed for rush-harvesting and rush-planting intelligence trickle charge system real-time monitoring terminal to be charged, charges end Charge information needed for end, the charge information needed for the terminal to be charged includes required charging current, end to be charged Hold connection charging gun rifle number, just the charge information needed for charging terminal include charge needed for size of current, charge end Hold the charging gun rifle number of connection；
Step 2, rush-harvesting and rush-planting intelligence trickle charge system is according to the charge requirement information of terminal to be charged, just in charging terminal Charge information, terminal class information, the first to the 5th switches set of controlling switch switching system are turned on or off state, rush-harvesting and rush-planting intelligence Can charging current and terminal of the trickle charge system according to needed for the terminal being connected with the first charging gun, the second charging gun Class information select the first large current charge module, the second large current charge module, it is independently-powered in trickle charge module or Any combination parallel operation, higher ranked terminal preferentially can be powered using trickle charge module.
In an embodiment of the present invention, the control method of the rush-harvesting and rush-planting intelligence trickle charge system is specifically included,
When an independent terminal is connected to the first charging gun of rush-harvesting and rush-planting intelligence trickle charge system,
If I1＞ IMAX1+IMAX,
Rush-harvesting and rush-planting intelligence trickle charge system controls first switch group (K1, K2), the 3rd switches set (K5, K6), the 4th switch Group (K7, K8) is in closure conducting state, and second switch group (K3, K4), the 5th switches set (K9, K10) are off, the The terminal of one large current charge module, the second large current charge module, trickle charge module simultaneously to the first charging gun of connection is supplied Electricity；
If IMAX1＜ I1≤IMAX1+IMAX,
Rush-harvesting and rush-planting intelligence trickle charge system controls first switch group (K1, K2), the 4th switches set (K7, K8) to be led in closure Logical state, second switch group (K3, K4), the 3rd switches set (K5, K6), the 5th switches set (K9, K10) are off, the The terminal of one large current charge module, trickle charge module simultaneously to the first charging gun of connection is powered；
If IMAX＜ I1≤IMAX1,
Rush-harvesting and rush-planting intelligence trickle charge system controls first switch group (K1, K2) to be in closure conducting state, second switch group (K3, K4), the 3rd switches set (K5, K6), the 4th switches set (K7, K8), the 5th switches set (K9, K10) are off, the One large current charge module is powered to the terminal of the first charging gun of connection；
If I1≤IMAX,
Rush-harvesting and rush-planting intelligence trickle charge system controls the 4th switches set (K7, K8) to be in closure conducting state, first switch group (K1, K2), second switch group (K3, K4), the 3rd switches set (K5, K6), the 5th switches set (K9, K10) are off, tiny stream Current charge module is powered to the terminal of the first charging gun of connection；
Wherein, I1Charging current value needed for connect the terminal of the first charging gun, I2To connect the terminal of the second charging gun Required charging current value, IMAX1It is the maximum output current value of the first large current charge module, IMAX2It is the second large current charge The maximum output current value of module, IMAXIt is the maximum output current value of trickle charge module charging module group.
In an embodiment of the present invention, the control method of rush-harvesting and rush-planting intelligence trickle charge system also includes,
(1) when the terminal for connecting the first charging gun is charging and I1＞ IMAX1+IMAX, the second charging gun of another terminal access When,
If the grade for connecting the terminal of the first charging gun is identical with the grade of the terminal of the second charging gun of connection,：
Rush-harvesting and rush-planting intelligence trickle charge system controls first switch group (K1, K2), the 4th switches set (K7, K8) to maintain closure to lead Logical state, the 5th switches set (K9, K10) maintains off-state, the 3rd switches set (K5, K6) of control to be converted to by conducting state disconnected Open state, after a period of time, control second switch group (K3, K4) is converted to conducting state by off-state, and the first high current is filled Electric module, trickle charge module are powered to the terminal of the first charging gun of connection, and the second large current charge module fills to connection second The terminal of electric rifle is powered；
If connecting the grade of the terminal of the grade less than the second charging gun of connection of the terminal of the first charging gun,：
(a)I2＞ IMAX2, rush-harvesting and rush-planting intelligence trickle charge system control first switch group (K1, K2) maintenance closure conducting state, The 3rd switches set (K5, K6), the 4th switches set (K7, K8) is controlled to be converted to off-state by conducting state, after a period of time, control Second switch group (K3, K4) processed, the 5th switches set (K9, K10) are converted to conducting state, the first large current charge by off-state Module is powered to the terminal of the first charging gun of connection, and the second large current charge module, trickle charge module charge to connection second The terminal of rifle is powered；
(b)I2≤IMAX2, rush-harvesting and rush-planting intelligence trickle charge system control first switch group (K1, K2), the 4th switches set (K7, K8 closure conducting state, the 5th switches set (K9, K10)) is maintained to maintain off-state, the 3rd switches set (K5, K6) of control is by leading Logical State Transferring is off-state, and after a period of time, control second switch group (K3, K4) is converted to conducting shape by off-state State, the first large current charge module, trickle charge module are powered to the terminal of the first charging gun of connection, the second large current charge mould Group is powered to the terminal of the second charging gun of connection；
(2) when the terminal for connecting the first charging gun is charging and IMAX1＜ I1≤IMAX1+IMAX, another terminal access second During charging gun,
If the grade for connecting the terminal of the first charging gun is identical with the grade of the terminal of the second charging gun of connection,：
Rush-harvesting and rush-planting intelligence trickle charge system controls first switch group (K1, K2), the 4th switches set (K7, K8) to maintain closure to lead Logical state, the 3rd switches set (K5, K6), the 5th switches set (K9, K10) maintain off-state, control second switch group (K3, K4) Conducting state, the end of the first large current charge module, trickle charge module to the first charging gun of connection are converted to by off-state End power supply, the second large current charge module is powered to the terminal of the second charging gun of connection；
If connecting the grade of the terminal of the grade less than the second charging gun of connection of the terminal of the first charging gun,：
(a)I2＞ IMAX2, rush-harvesting and rush-planting intelligence trickle charge system control first switch group (K1, K2) maintenance closure conducting state, 3rd switches set (K5, K6) maintains off-state, the 4th switches set (K7, K8) of control to be converted to disconnection shape by closure conducting state State, after a period of time, control second switch group (K3, K4), the 5th switches set (K9, K10) are converted to conducting shape by off-state State, the first large current charge module is powered to the terminal of the first charging gun of connection, the second large current charge module, trickle charge mould Group is powered to the terminal of the second charging gun of connection；
(b)I2≤IMAX2, rush-harvesting and rush-planting intelligence trickle charge system control first switch group (K1, K2), the 4th switches set (K7, K8 closure conducting state, the 3rd switches set (K5, K6), the 5th switches set (K9, K10)) is maintained to maintain off-state, control second Switches set (K3, K4) is converted to conducting state by off-state, and the first large current charge module, trickle charge module are to connection the The terminal of one charging gun is powered, and the second large current charge module is powered to the terminal of the second charging gun of connection；
(3) when the terminal for connecting the first charging gun is charging and IMAX＜ I1≤IMAX1, another charging of terminal access second During rifle,
A () works as I2＞ IMAX2When, rush-harvesting and rush-planting intelligence trickle charge system controls first switch group (K1, K2) to maintain closure conducting State, the 3rd switches set (K5, K6), the 4th switches set (K7, K8) maintain off-state, control second switch group (K3, K4), the Five switches sets (K9, K10) are converted to conducting state by off-state, and the first large current charge module is to the first charging gun of connection Terminal is powered, and the second large current charge module, trickle charge module are powered to the terminal of the second charging gun of connection；
B () works as I2≤IMAX2When, rush-harvesting and rush-planting intelligence trickle charge system controls first switch group (K1, K2) to maintain closure conducting State, the 3rd switches set (K5, K6), the 4th switches set (K7, K8), the 5th switches set (K9, K10) maintain off-state, control Second switch group (K3, K4) is converted to conducting state by off-state, and the first large current charge module gives connection the first charging gun Terminal power, the second large current charge module to connection the second charging gun terminal power；
(4) when the terminal for connecting the first charging gun is charging and I1≤IMAX, when another terminal accesses the second charging gun,
Work as I2＞ IMAX2When, rush-harvesting and rush-planting intelligence trickle charge system controls the 4th switches set (K7, K8) to maintain closure conducting shape State, first switch group (K1, K2), the 5th switches set (K9, K10) maintain off-state, control second switch group (K3, K4), the Three switches sets (K5, K6) are converted to conducting state by off-state, and trickle charge module is supplied to the terminal of the first charging gun of connection Electricity, the first large current charge module, the second large current charge module are powered to the terminal of the second charging gun of connection；
Work as I2≤IMAX2When, rush-harvesting and rush-planting intelligence trickle charge system controls the 4th switches set (K7, K8) to maintain closure conducting shape State, first switch group (K1, K2), the 3rd switches set (K5, K6), the 5th switches set (K9, K10) maintain off-state, control the Two switches sets (K3, K4) are converted to conducting state by off-state, and trickle charge module is supplied to the terminal of the first charging gun of connection Electricity, the second large current charge module is powered to the terminal of the second charging gun of connection.
In an embodiment of the present invention, the control method of rush-harvesting and rush-planting intelligence trickle charge system also includes,
If when connect the first charging gun terminal, connection the second charging gun terminal charging and the 4th switches set (K7, K8) changed to off-state from closure conducting state,
If I2＞ IMAX2, control the 5th switches set (K9, K10) to be converted to conducting state by off-state, the first high current is filled Electric module is powered to the terminal of the first charging gun of connection, and the second large current charge module, trickle charge module fill to connection second The terminal of electric rifle is powered；
If when connect the first charging gun terminal, connection the second charging gun terminal charging and the 5th switches set (K9, K10) changed to off-state from closure conducting state,
If I1＞ IMAX1, control the 4th switches set (K7, K8) to be converted to conducting state by off-state, the first high current is filled Electric module, trickle charge module are powered to the terminal of the first charging gun of connection, and the second large current charge module fills to connection second The terminal of electric rifle is powered.
In an embodiment of the present invention, the control method of the rush-harvesting and rush-planting intelligence trickle charge system is specifically included,
When an independent terminal is connected to the second charging gun of rush-harvesting and rush-planting intelligence trickle charge system,
If I2＞ IMAX2+IMAX,
Rush-harvesting and rush-planting intelligence trickle charge system controls second switch group (K3, K4), the 3rd switches set (K5, K6), the 5th switch Group (K9, K10) is in closure conducting state, and first switch group (K1, K2), the 4th switches set (K7, K8) are off, the The terminal of one large current charge module, the second large current charge module, trickle charge module simultaneously to the second charging gun of connection is supplied Electricity；
If IMAX2＜ I2≤IMAX2+IMAX,
Rush-harvesting and rush-planting intelligence trickle charge system controls second switch group (K3, K4), the 5th switches set (K9, K10) to be in closure Conducting state, first switch group (K1, K2), the 3rd switches set (K5, K6), the 4th switches set (K7, K8) are off, the The terminal of two large current charge modules, trickle charge module simultaneously to the second charging gun of connection is powered；
If IMAX＜ I2≤IMAX2,
Rush-harvesting and rush-planting intelligence trickle charge system controls second switch group (K3, K4) to be in closure conducting state, first switch group (K1, K2), the 3rd switches set (K5, K6), the 4th switches set (K7, K8), the 5th switches set (K9, K10) are off, the Two large current charge modules are powered to the terminal of the second charging gun of connection；
If I2≤IMAX,
Rush-harvesting and rush-planting intelligence trickle charge system controls the 5th switches set (K9, K10) to be in closure conducting state, first switch group (K1, K2), second switch group (K3, K4), the 3rd switches set (K5, K6), the 4th switches set (K7, K8) are off, tiny stream Current charge module is powered to the terminal of the second charging gun of connection.
In an embodiment of the present invention, the control method of rush-harvesting and rush-planting intelligence trickle charge system also includes,
(1) when the terminal for connecting the second charging gun is charging and I2＞ IMAX2+IMAX, the first charging gun of another terminal access When,
If the grade for connecting the terminal of the first charging gun is identical with the grade of the terminal of the second charging gun of connection,：
Rush-harvesting and rush-planting intelligence trickle charge system controls second switch group (K3, K4), the 5th switches set (K9, K10) to maintain closure Conducting state, the 4th switches set (K7, K8) maintains off-state, the 3rd switches set (K5, K6) of control to be converted to by conducting state Off-state, after a period of time, control first switch group (K1, K2) is converted to conducting state, the first high current by off-state Charging module is powered to the terminal of the first charging gun of connection, and the second large current charge module, trickle charge module are to connection second The terminal of charging gun is powered；
If connecting the grade of the terminal of the grade higher than the second charging gun of connection of the terminal of the first charging gun,：
(a)I1＞ IMAX1, rush-harvesting and rush-planting intelligence trickle charge system control second switch group (K3, K4) maintenance closure conducting state, The 3rd switches set (K5, K6), the 5th switches set (K9, K10) is controlled to be converted to off-state by conducting state, after a period of time, Control first switch group (K1, K2), the 4th switches set (K7, K8) are converted to conducting state by off-state, and the first high current is filled Electric module, trickle charge module are powered to the terminal of the first charging gun of connection, and the second large current charge module fills to connection second The terminal of electric rifle is powered；
(b)I1≤IMAX1,
Rush-harvesting and rush-planting intelligence trickle charge system controls second switch group (K3, K4), the 5th switches set (K9, K10) to maintain closure Conducting state, the 4th switches set (K7, K8) maintains off-state, the 3rd switches set (K5, K6) of control to be converted to by conducting state Off-state, after a period of time, control first switch group (K1, K2) is converted to conducting state, the first high current by off-state Charging module is powered to the terminal of the first charging gun of connection, and the second large current charge module, trickle charge module are to connection second The terminal of charging gun is powered；
(2) when the terminal for connecting the second charging gun is charging and IMAX2＜ I2≤IMAX2+IMAX, another terminal access first During charging gun,
If the grade for connecting the terminal of the first charging gun is identical with the grade of the terminal of the second charging gun of connection,：
Rush-harvesting and rush-planting intelligence trickle charge system controls second switch group (K3, K4), the 5th switches set (K9, K10) to maintain closure Conducting state, the 3rd switches set (K5, K6), the 4th switches set (K7, K8) maintenance off-state, control first switch group (K1, K2 conducting state) is converted to by off-state, the first large current charge module is powered to the terminal of the first charging gun of connection, second Large current charge module, trickle charge module are powered to the terminal of the second charging gun of connection；
If connecting the grade of the terminal of the grade higher than the second charging gun of connection of the terminal of the first charging gun,：
(a)I1＞ IMAX1,
Rush-harvesting and rush-planting intelligence trickle charge system controls second switch group (K3, K4) to maintain closure conducting state, the 3rd switches set (K5, K6) maintains off-state, the 5th switches set (K9, K10) of control to be converted to off-state by closure conducting state, control the One switches set (K1, K2), the 4th switches set (K7, K8) are converted to conducting state by off-state, the first large current charge module, Trickle charge module is powered to the terminal of the first charging gun of connection, end of the second large current charge module to the second charging gun of connection End power supply；
(b)I1≤IMAX1,
Rush-harvesting and rush-planting intelligence trickle charge system controls second switch group (K3, K4), the 5th switches set (K9, K10) to maintain closure Conducting state, the 3rd switches set (K5, K6), the 4th switches set (K7, K8) maintenance off-state, control first switch group (K1, K2 conducting state) is converted to by off-state, the first large current charge module is powered to the terminal of the first charging gun of connection, second Large current charge module, trickle charge module are powered to the terminal of the second charging gun of connection；
(3) when the terminal for connecting the second charging gun is charging and IMAX＜ I2≤IMAX2, another charging of terminal access first During rifle,
Work as I1＞ IMAX1When, rush-harvesting and rush-planting intelligence trickle charge system controls second switch group (K3, K4) to maintain closure conducting shape State, the 3rd switches set (K5, K6), the 5th switches set (K9, K10) maintain off-state, control first switch group (K1, K2), the Four switches sets (K7, K8) are converted to conducting state by off-state, and the first large current charge module, trickle charge module are to connection The terminal of the first charging gun is powered, and the second large current charge module is powered to the terminal of the second charging gun of connection；
Work as I1≤IMAX1When, rush-harvesting and rush-planting intelligence trickle charge system controls second switch group (K3, K4) to maintain closure conducting shape State, the 3rd switches set (K5, K6), the 4th switches set (K7, K8), the 5th switches set (K9, K10) maintain off-state, control the One switches set (K1, K2) is converted to conducting state by off-state, and the first large current charge module is to the first charging gun of connection Terminal is powered, and the second large current charge module is powered to the terminal of the second charging gun of connection；
(4) when the terminal for connecting the second charging gun is charging and I2≤IMAX, when another terminal accesses the first charging gun,
Work as I1＞ IMAX1When, rush-harvesting and rush-planting intelligence trickle charge system controls the 5th switches set (K9, K10) to maintain closure conducting shape State, second switch group (K3, K4), the 4th switches set (K7, K8) maintain off-state, control first switch group (K1, K2), the 3rd Switches set (K5, K6) is converted to conducting state by off-state, and the first large current charge module, the second large current charge module are given The terminal for connecting the first charging gun is powered, and trickle charge module is powered to the terminal of the second charging gun of connection；
Work as I1＜ IMAX1When, rush-harvesting and rush-planting intelligence trickle charge system controls the 5th switches set (K9, K10) to maintain closure conducting shape State, second switch group (K3, K4), the 3rd switches set (K5, K6), the 4th switches set (K7, K8) maintain off-state, control first Switches set (K1, K2) is converted to conducting state, end of the first large current charge module to the first charging gun of connection by off-state End power supply, trickle charge module is powered to the terminal of the second charging gun of connection.
In an embodiment of the present invention, the control method of rush-harvesting and rush-planting intelligence trickle charge system also includes,
If when connect the first charging gun terminal, connection the second charging gun terminal charging and the 4th switches set (K7, K8) changed to off-state from closure conducting state,
If I2＞ IMAX2, control the 5th switches set (K9, K10) to be converted to conducting state by off-state, the first high current is filled Electric module is powered to the terminal of the first charging gun of connection, and the second large current charge module, trickle charge module fill to connection second The terminal of electric rifle is powered；
If when the terminal for connecting the first charging gun, the terminal for connecting the second charging gun are in charging and the 5th switches set (K9, K10) is changed to off-state from closure conducting state,
If I1＞ IMAX1, control the 4th switches set (K7, K8) to be converted to conducting state by off-state, the first high current is filled Electric module, trickle charge module are powered to the terminal of the first charging gun of connection, and the second large current charge module fills to connection second The terminal of electric rifle is powered.
Compared with prior art, beneficial effects of the present invention are：
The present invention solves to use complicated switching systems in existing rush-harvesting and rush-planting control system, and high cost, reliability are low； The charging module utilization rate for solving existing rush-harvesting and rush-planting control system is low, the low problem of charge efficiency.Increase few feelings in cost Under condition, reliability is lifted, control is simple and clear, greatly improves the utilization rate of charging module, reduce what two terminals charged simultaneously Use time.
Brief description of the drawings
Fig. 1 is a rush-harvesting and rush-planting charging system in the prior art；
Fig. 2 is another rush-harvesting and rush-planting charging system in the prior art；
Fig. 3 is trickle charge system principle diagram of the invention；
Fig. 4 is the first large current charge module or the second large current charge module theory diagram；
Fig. 5 is trickle charge module theory diagram.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment the present invention will be further described.
As in Figure 3-5, the invention provides a kind of rush-harvesting and rush-planting intelligence trickle charge system, including the first large current charge mould Group, the second large current charge module, trickle charge module, switching systems, control system, the first charging gun and second are charged Rifle,
The first large current charge module is x AC/DC modules composition parallel with one another；The second large current charge mould Group is y AC/DC modules composition parallel with one another；The trickle charge module current charge module is that z AC/DC module is parallel with one another Constitute；
The input of the first large current charge module, the input of the second large current charge module, the tiny stream The input of current charge module is respectively connected to three-phase alternating current；
The switching systems include the first to the 5th switches set, and an end of the first switch group is connected to described first The output end of large current charge module, the another of the first switch group is connected to the first charging gun, for realizing and end of charging The connection at end；
One end of the second switch group is connected to the output end of the second large current charge module, the second switch group It is another be connected to the second charging gun, for realizing and the connection of charging terminal；
One end of the 3rd switches set is connected to the output end of the first large current charge module, the 3rd switches set Another output end for being connected to second largest electric current charging module；
One end of the 4th switches set is connected to the output end of the trickle charge module, the 4th switches set it is another It is connected to the other end of the first switch group；
One end of the 5th switches set is connected to the output end of the trickle charge module, the 5th switches set it is another It is connected to the other end of the second switch group；
The control system is respectively connecting to the first large current charge module, the second large current charge module, trickle charge Module, and charging current and the terminal grade letter according to needed for the terminal being connected with the first charging gun and the second charging gun Cease the mode of operation of the first to the 5th switches set of controlling switch switching system；
Wherein x, y, z is positive integer, and x >=z, y >=z.
First to the 5th switches set includes first switch and second switch；
One end of the first switch (K1) of the first switch group is connected to the positive output end of the first large current charge module, institute The end for stating the second switch (K2) of first switch group is connected to the negative output terminal of the first large current charge module, the first switch The other end of the first switch (K1) of group, the other end of the second switch (K2) of the first switch group are used to connect the first charging Rifle；
One end of the first switch (K3) of the second switch group is connected to the positive output end of second largest electric current charging module, institute The end for stating the second switch (K4) of second switch group is connected to the negative output terminal of second largest electric current charging module, the second switch The other end of the first switch (K3) of group, the other end of the second switch (K4) of the second switch group are used to connect the second charging Rifle；
One end of the first switch (K5) of the 3rd switches set is connected to the positive output end of the first large current charge module, institute Another positive output end for being connected to second largest electric current charging module of the first switch (K5) of the 3rd switches set is stated, the described 3rd opens One end of the second switch (K6) of pass group is connected to the negative output terminal of the first large current charge module, the second of the 3rd switches set Switch another negative output terminal for being connected to second largest electric current charging module of (K6)；
One end of the first switch (K7) of the 4th switches set is connected to the first switch (K1) of the first switch group The other end, another positive output end for being connected to trickle charge module of the first switch (K7) of the 4th switches set, described One end of the second switch (K8) of four switches sets is connected to the other end of the second switch (K2) of the first switch group, the described 4th Another negative output terminal for being connected to trickle charge module of the second switch (K8) of switches set；
One end of the first switch (K9) of the 5th switches set is connected to the first switch (K3) of the second switch group The other end, another positive output end for being connected to trickle charge module of the first switch (K9) of the 5th switches set, described One end of the second switch (K10) of five switches sets is connected to the other end of the second switch (K4) of the second switch group, described Another negative output terminal for being connected to trickle charge module of the second switch (K10) of five switches sets.
Present invention also offers a kind of control method based on above-mentioned rush-harvesting and rush-planting intelligence trickle charge system,
Step 1, charge information needed for rush-harvesting and rush-planting intelligence trickle charge system real-time monitoring terminal to be charged, charges end Charge information needed for end, the charge information needed for the terminal to be charged includes required charging current, end to be charged Hold connection charging gun rifle number, just the charge information needed for charging terminal include charge needed for size of current, charge end Hold the charging gun rifle number of connection；
Step 2, rush-harvesting and rush-planting intelligence trickle charge system is according to the charge requirement information of terminal to be charged, just in charging terminal Charge information, terminal grade, the first to the 5th switches set of controlling switch switching system are turned on or off state, rush-harvesting and rush-planting intelligence tiny stream Current charge system can be according to the charging current and terminal needed for the terminal being connected with the first charging gun, the second charging gun Class information select the first large current charge module, the second large current charge module, it is independently-powered in trickle charge module or Any combination parallel operation.
When an independent terminal (terminal 1) is connected to the first charging gun of rush-harvesting and rush-planting intelligence trickle charge system, such as the institute of table 1 Show,
1 independent terminal (terminal 1) of table is connected to the first charging gun of rush-harvesting and rush-planting intelligence trickle charge system
If I1＞ IMAX1+IMAX,
Rush-harvesting and rush-planting intelligence trickle charge system controls first switch group (K1, K2), the 3rd switches set (K5, K6), the 4th switch Group (K7, K8) is in closure conducting state, and second switch group (K3, K4), the 5th switches set (K9, K10) are off, the The terminal of one large current charge module, the second large current charge module, trickle charge module simultaneously to the first charging gun of connection is supplied Electricity；
If IMAX1＜ I1≤IMAX1+IMAX,
Rush-harvesting and rush-planting intelligence trickle charge system controls first switch group (K1, K2), the 4th switches set (K7, K8) to be led in closure Logical state, second switch group (K3, K4), the 3rd switches set (K5, K6), the 5th switches set (K9, K10) are off, the The terminal of one large current charge module, trickle charge module simultaneously to the first charging gun of connection is powered；
If IMAX＜ I1≤IMAX1,
Rush-harvesting and rush-planting intelligence trickle charge system controls first switch group (K1, K2) to be in closure conducting state, second switch group (K3, K4), the 3rd switches set (K5, K6), the 4th switches set (K7, K8), the 5th switches set (K9, K10) are off, the One large current charge module is powered to the terminal of the first charging gun of connection；
If I1≤IMAX,
Rush-harvesting and rush-planting intelligence trickle charge system controls the 4th switches set (K7, K8) to be in closure conducting state, first switch group (K1, K2), second switch group (K3, K4), the 3rd switches set (K5, K6), the 5th switches set (K9, K10) are off, tiny stream Current charge module is powered to the terminal of the first charging gun of connection；
Wherein, I1Charging current value needed for connect the terminal of the first charging gun, I2To connect the terminal of the second charging gun Required charging current value, IMAX1It is the maximum output current value of the first large current charge module, IMAX2It is the second large current charge The maximum output current value of module, IMAXIt is the maximum output current value of trickle charge module charging module group.
Further, also include, terminal 1 charges, charging gun 2 accesses terminal to be charged 2
As shown in table 2,
The terminal 1 of table 2 charges, and charging gun 2 accesses terminal to be charged 2
(1) when the terminal for connecting the first charging gun is charging and I1＞ IMAX1+IMAX, the second charging gun of another terminal access When, if the grade of the terminal of the first charging gun of connection is identical with the grade of the terminal of the second charging gun of connection,：
Rush-harvesting and rush-planting intelligence trickle charge system controls first switch group (K1, K2), the 4th switches set (K7, K8) to maintain closure to lead Logical state, the 5th switches set (K9, K10) maintains off-state, the 3rd switches set (K5, K6) of control to be converted to by conducting state disconnected Open state, after a period of time, control second switch group (K3, K4) is converted to conducting state by off-state, and the first high current is filled Electric module, trickle charge module are powered to the terminal of the first charging gun of connection, and the second large current charge module fills to connection second The terminal of electric rifle is powered；
If connecting the grade of the terminal of the grade less than the second charging gun of connection of the terminal of the first charging gun,：
(a)I2＞ IMAX2, rush-harvesting and rush-planting intelligence trickle charge system control first switch group (K1, K2) maintenance closure conducting state, The 3rd switches set (K5, K6), the 4th switches set (K7, K8) is controlled to be converted to off-state by conducting state, after a period of time, control Second switch group (K3, K4) processed, the 5th switches set (K9, K10) are converted to conducting state, the first large current charge by off-state Module is powered to the terminal of the first charging gun of connection, and the second large current charge module, trickle charge module charge to connection second The terminal of rifle is powered；
(b)I2≤IMAX2, rush-harvesting and rush-planting intelligence trickle charge system control first switch group (K1, K2), the 4th switches set (K7, K8 closure conducting state, the 5th switches set (K9, K10)) is maintained to maintain off-state, the 3rd switches set (K5, K6) of control is by leading Logical State Transferring is off-state, and after a period of time, control second switch group (K3, K4) is converted to conducting shape by off-state State, the first large current charge module, trickle charge module are powered to the terminal of the first charging gun of connection, the second large current charge mould Group is powered to the terminal of the second charging gun of connection；
(2) when the terminal for connecting the first charging gun is charging and IMAX1＜ I1≤IMAX1+IMAX, another terminal access second During charging gun,
If the grade for connecting the terminal of the first charging gun is identical with the grade of the terminal of the second charging gun of connection,：
Rush-harvesting and rush-planting intelligence trickle charge system controls first switch group (K1, K2), the 4th switches set (K7, K8) to maintain closure to lead Logical state, the 3rd switches set (K5, K6), the 5th switches set (K9, K10) maintain off-state, control second switch group (K3, K4) Conducting state, the end of the first large current charge module, trickle charge module to the first charging gun of connection are converted to by off-state End power supply, the second large current charge module is powered to the terminal of the second charging gun of connection；
If connecting the grade of the terminal of the grade less than the second charging gun of connection of the terminal of the first charging gun,：
(a)I2＞ IMAX2, rush-harvesting and rush-planting intelligence trickle charge system control first switch group (K1, K2) maintenance closure conducting state, 3rd switches set (K5, K6) maintains off-state, the 4th switches set (K7, K8) of control to be converted to disconnection shape by closure conducting state State, after a period of time, control second switch group (K3, K4), the 5th switches set (K9, K10) are converted to conducting shape by off-state State, the first large current charge module is powered to the terminal of the first charging gun of connection, the second large current charge module, trickle charge mould Group is powered to the terminal of the second charging gun of connection；
(b)I2≤IMAX2, rush-harvesting and rush-planting intelligence trickle charge system control first switch group (K1, K2), the 4th switches set (K7, K8 closure conducting state, the 3rd switches set (K5, K6), the 5th switches set (K9, K10)) is maintained to maintain off-state, control second Switches set (K3, K4) is converted to conducting state by off-state, and the first large current charge module, trickle charge module are to connection the The terminal of one charging gun is powered, and the second large current charge module is powered to the terminal of the second charging gun of connection；
(3) when the terminal for connecting the first charging gun is charging and IMAX＜ I1≤IMAX1, another charging of terminal access second During rifle,
A () works as I2＞ IMAX2When, rush-harvesting and rush-planting intelligence trickle charge system controls first switch group (K1, K2) to maintain closure conducting State, the 3rd switches set (K5, K6), the 4th switches set (K7, K8) maintain off-state, control second switch group (K3, K4), the Five switches sets (K9, K10) are converted to conducting state by off-state, and the first large current charge module is to the first charging gun of connection Terminal is powered, and the second large current charge module, trickle charge module are powered to the terminal of the second charging gun of connection；
B () works as I2≤IMAX2When, rush-harvesting and rush-planting intelligence trickle charge system controls first switch group (K1, K2) to maintain closure conducting State, the 3rd switches set (K5, K6), the 4th switches set (K7, K8), the 5th switches set (K9, K10) maintain off-state, control Second switch group (K3, K4) is converted to conducting state by off-state, and the first large current charge module gives connection the first charging gun Terminal power, the second large current charge module to connection the second charging gun terminal power；
(4) when the terminal for connecting the first charging gun is charging and I1≤IMAX, when another terminal accesses the second charging gun,
Work as I2＞ IMAX2When, rush-harvesting and rush-planting intelligence trickle charge system controls the 4th switches set (K7, K8) to maintain closure conducting shape State, first switch group (K1, K2), the 5th switches set (K9, K10) maintain off-state, control second switch group (K3, K4), the Three switches sets (K5, K6) are converted to conducting state by off-state, and trickle charge module is supplied to the terminal of the first charging gun of connection Electricity, the first large current charge module, the second large current charge module are powered to the terminal of the second charging gun of connection；
Work as I2≤IMAX2When, rush-harvesting and rush-planting intelligence trickle charge system controls the 4th switches set (K7, K8) to maintain closure conducting shape State, first switch group (K1, K2), the 3rd switches set (K5, K6), the 5th switches set (K9, K10) maintain off-state, control the Two switches sets (K3, K4) are converted to conducting state by off-state, and trickle charge module is supplied to the terminal of the first charging gun of connection Electricity, the second large current charge module is powered to the terminal of the second charging gun of connection；
Further, also include, terminal 1, terminal 2 charge,
As shown in table 3,
The terminal 1 of table 3, terminal 2 charge
If when connect the first charging gun terminal, connection the second charging gun terminal charging and the 4th switches set (K7, K8) changed to off-state from closure conducting state, if I2＞ IMAX2, the 5th switches set (K9, K10) of control is by off-state turn Conducting state is changed to, the first large current charge module is powered to the terminal of the first charging gun of connection, the second large current charge module, Trickle charge module is powered to the terminal of the second charging gun of connection；
If when the terminal for connecting the first charging gun, the terminal for connecting the second charging gun are in charging and the 5th switches set (K9, K10) is changed to off-state from closure conducting state,
If I1＞ IMAX1, control the 4th switches set (K7, K8) to be converted to conducting state by off-state, the first high current is filled Electric module, trickle charge module are powered to the terminal of the first charging gun of connection, and the second large current charge module fills to connection second The terminal of electric rifle is powered.
When an independent terminal is connected to the second charging gun of rush-harvesting and rush-planting intelligence trickle charge system, as shown in table 4,
4 independent terminals (terminal 2) of table are connected to the second charging gun of rush-harvesting and rush-planting intelligence trickle charge system
If I2＞ IMAX2+IMAX,
Rush-harvesting and rush-planting intelligence trickle charge system controls second switch group (K3, K4), the 3rd switches set (K5, K6), the 5th switch Group (K9, K10) is in closure conducting state, and first switch group (K1, K2), the 4th switches set (K7, K8) are off, the The terminal of one large current charge module, the second large current charge module, trickle charge module simultaneously to the second charging gun of connection is supplied Electricity；
If IMAX2＜ I2≤IMAX2+IMAX,
Rush-harvesting and rush-planting intelligence trickle charge system controls second switch group (K3, K4), the 5th switches set (K9, K10) to be in closure Conducting state, first switch group (K1, K2), the 3rd switches set (K5, K6), the 4th switches set (K7, K8) are off, the The terminal of two large current charge modules, trickle charge module simultaneously to the second charging gun of connection is powered；
If IMAX＜ I2≤IMAX2,
Rush-harvesting and rush-planting intelligence trickle charge system controls second switch group (K3, K4) to be in closure conducting state, first switch group (K1, K2), the 3rd switches set (K5, K6), the 4th switches set (K7, K8), the 5th switches set (K9, K10) are off, the Two large current charge modules are powered to the terminal of the second charging gun of connection；
If I2≤IMAX,
Rush-harvesting and rush-planting intelligence trickle charge system controls the 5th switches set (K9, K10) to be in closure conducting state, first switch group (K1, K2), second switch group (K3, K4), the 3rd switches set (K5, K6), the 4th switches set (K7, K8) are off, tiny stream Current charge module is powered to the terminal of the second charging gun of connection.
Also include, when the terminal 2 for connecting the second charging gun charges, and another terminal 1 accesses the first charging gun, such as table Shown in 5,
The terminal 2 of table 5 charges, and charging gun 1 accesses terminal to be charged 1
(1) when the terminal for connecting the second charging gun is charging and I2＞ IMAX2+IMAX, the first charging gun of another terminal access When, if the grade of the terminal of the first charging gun of connection is identical with the grade of the terminal of the second charging gun of connection,：
Rush-harvesting and rush-planting intelligence trickle charge system controls second switch group (K3, K4), the 5th switches set (K9, K10) to maintain closure Conducting state, the 4th switches set (K7, K8) maintains off-state, the 3rd switches set (K5, K6) of control to be converted to by conducting state Off-state, after a period of time, control first switch group (K1, K2) is converted to conducting state, the first high current by off-state Charging module is powered to the terminal of the first charging gun of connection, and the second large current charge module, trickle charge module are to connection second The terminal of charging gun is powered；
If connecting the grade of the terminal of the grade higher than the second charging gun of connection of the terminal of the first charging gun,：
(a)I1＞ IMAX1, rush-harvesting and rush-planting intelligence trickle charge system control second switch group (K3, K4) maintenance closure conducting state, The 3rd switches set (K5, K6), the 5th switches set (K9, K10) is controlled to be converted to off-state by conducting state, after a period of time, Control first switch group (K1, K2), the 4th switches set (K7, K8) are converted to conducting state by off-state, and the first high current is filled Electric module, trickle charge module are powered to the terminal of the first charging gun of connection, and the second large current charge module fills to connection second The terminal of electric rifle is powered；
(b)I1≤IMAX1,
Rush-harvesting and rush-planting intelligence trickle charge system controls second switch group (K3, K4), the 5th switches set (K9, K10) to maintain closure Conducting state, the 4th switches set (K7, K8) maintains off-state, the 3rd switches set (K5, K6) of control to be converted to by conducting state Off-state, after a period of time, control first switch group (K1, K2) is converted to conducting state, the first high current by off-state Charging module is powered to the terminal of the first charging gun of connection, and the second large current charge module, trickle charge module are to connection second The terminal of charging gun is powered；
(2) when the terminal for connecting the second charging gun is charging and IMAX2＜ I2≤IMAX2+IMAX, another terminal access first During charging gun,
If the grade for connecting the terminal of the first charging gun is identical with the grade of the terminal of the second charging gun of connection,：
Rush-harvesting and rush-planting intelligence trickle charge system controls second switch group (K3, K4), the 5th switches set (K9, K10) to maintain closure Conducting state, the 3rd switches set (K5, K6), the 4th switches set (K7, K8) maintenance off-state, control first switch group (K1, K2 conducting state) is converted to by off-state, the first large current charge module is powered to the terminal of the first charging gun of connection, second Large current charge module, trickle charge module are powered to the terminal of the second charging gun of connection；
If connecting the grade of the terminal of the grade higher than the second charging gun of connection of the terminal of the first charging gun,：
(a)I1＞ IMAX1,
Rush-harvesting and rush-planting intelligence trickle charge system controls second switch group (K3, K4) to maintain closure conducting state, the 3rd switches set (K5, K6) maintains off-state, the 5th switches set (K9, K10) of control to be converted to off-state by closure conducting state, control the One switches set (K1, K2), the 4th switches set (K7, K8) are converted to conducting state by off-state, the first large current charge module, Trickle charge module is powered to the terminal of the first charging gun of connection, end of the second large current charge module to the second charging gun of connection End power supply；
(b)I1≤IMAX1,
Rush-harvesting and rush-planting intelligence trickle charge system controls second switch group (K3, K4), the 5th switches set (K9, K10) to maintain closure Conducting state, the 3rd switches set (K5, K6), the 4th switches set (K7, K8) maintenance off-state, control first switch group (K1, K2 conducting state) is converted to by off-state, the first large current charge module is powered to the terminal of the first charging gun of connection, second Large current charge module, trickle charge module are powered to the terminal of the second charging gun of connection；
(3) when the terminal for connecting the second charging gun is charging and IMAX＜ I2≤IMAX2, another charging of terminal access first During rifle,
Work as I1＞ IMAX1When, rush-harvesting and rush-planting intelligence trickle charge system controls second switch group (K3, K4) to maintain closure conducting shape State, the 3rd switches set (K5, K6), the 5th switches set (K9, K10) maintain off-state, control first switch group (K1, K2), the Four switches sets (K7, K8) are converted to conducting state by off-state, and the first large current charge module, trickle charge module are to connection The terminal of the first charging gun is powered, and the second large current charge module is powered to the terminal of the second charging gun of connection；
Work as I1≤IMAX1When, rush-harvesting and rush-planting intelligence trickle charge system controls second switch group (K3, K4) to maintain closure conducting shape State, the 3rd switches set (K5, K6), the 4th switches set (K7, K8), the 5th switches set (K9, K10) maintain off-state, control the One switches set (K1, K2) is converted to conducting state by off-state, and the first large current charge module is to the first charging gun of connection Terminal is powered, and the second large current charge module is powered to the terminal of the second charging gun of connection；
(4) when the terminal for connecting the second charging gun is charging and I2≤IMAX, when another terminal accesses the first charging gun,
Work as I1＞ IMAX1When, rush-harvesting and rush-planting intelligence trickle charge system controls the 5th switches set (K9, K10) to maintain closure conducting shape State, second switch group (K3, K4), the 4th switches set (K7, K8) maintain off-state, control first switch group (K1, K2), the 3rd Switches set (K5, K6) is converted to conducting state by off-state, and the first large current charge module, the second large current charge module are given The terminal for connecting the first charging gun is powered, and trickle charge module is powered to the terminal of the second charging gun of connection；
Work as I1＜ IMAX1When, rush-harvesting and rush-planting intelligence trickle charge system controls the 5th switches set (K9, K10) to maintain closure conducting shape State, second switch group (K3, K4), the 3rd switches set (K5, K6), the 4th switches set (K7, K8) maintain off-state, control first Switches set (K1, K2) is converted to conducting state, end of the first large current charge module to the first charging gun of connection by off-state End power supply, trickle charge module is powered to the terminal of the second charging gun of connection.
Also include, as shown in table 6,
The terminal 1 of table 6, terminal 2 charge
If when connect the first charging gun terminal, connection the second charging gun terminal charging and the 4th switches set (K7, K8) changed to off-state from closure conducting state,
If I2＞ IMAX2, control the 5th switches set (K9, K10) to be converted to conducting state by off-state, the first high current is filled Electric module is powered to the terminal of the first charging gun of connection, and the second large current charge module, trickle charge module fill to connection second The terminal of electric rifle is powered；
If when the terminal for connecting the first charging gun, the terminal for connecting the second charging gun are in charging and the 5th switches set (K9, K10) is changed to off-state from closure conducting state,
If I1＞ IMAX1, control the 4th switches set (K7, K8) to be converted to conducting state by off-state, the first high current is filled Electric module, trickle charge module are powered to the terminal of the first charging gun of connection, and the second large current charge module fills to connection second The terminal of electric rifle is powered.
Upper described is only presently preferred embodiments of the present invention, all impartial changes done according to scope of the present invention patent with repair Decorations, should all belong to covering scope of the invention.

Claims (9)

1. a kind of rush-harvesting and rush-planting intelligence trickle charge system, it is characterised in that：Filled including the first large current charge module, the second high current Electric module, trickle charge module, switching systems, control system, the first charging gun and the second charging gun,
The first large current charge module is x AC/DC modules composition parallel with one another；The second large current charge module is Y AC/DC modules composition parallel with one another；The trickle charge module is z AC/DC modules composition parallel with one another；
The input of the first large current charge module, the input of the second large current charge module, the trickle fill The input of electric module is respectively connected to three-phase alternating current；
The switching systems include the first to the 5th switches set, and an end of the first switch group is connected to the described first big electricity The output end of current charge module, the another of the first switch group is connected to the first charging gun, for realizing and charging terminal Connection；
One end of the second switch group is connected to the output end of the second large current charge module, the second switch group it is another One end is connected to the second charging gun, for realizing the connection with charging terminal；
One end of the 3rd switches set is connected to the output end of the first large current charge module, the 3rd switches set it is another One end is connected to the output end of second largest electric current charging module；
One end of the 4th switches set is connected to the output end of the trickle charge module, another termination of the 4th switches set To the other end of the first switch group；
One end of the 5th switches set is connected to the output end of the trickle charge module, another termination of the 5th switches set To the other end of the second switch group；
The control system be respectively connecting to the first large current charge module, the second large current charge module, trickle charge module, Switching systems, and the charging current according to needed for the terminal being connected with the first charging gun, the second charging gun and end Hold the mode of operation of the first to the 5th switches set of class information controlling switch switching system；
Wherein x, y, z is positive integer, and x >=z, y >=z.
2. a kind of rush-harvesting and rush-planting intelligence trickle charge system according to claim 1, it is characterised in that：First to the 5th switches set Include first switch and second switch；
One end of the first switch (K1) of the first switch group is connected to the positive output end of the first large current charge module, described One end of the second switch (K2) of one switches set is connected to the negative output terminal of the first large current charge module, the first switch group The other end of first switch (K1), the other end of the second switch (K2) of the first switch group connect the first charging gun；
One end of the first switch (K3) of the second switch group is connected to the positive output end of second largest electric current charging module, described One end of the second switch (K4) of two switches sets is connected to the negative output terminal of second largest electric current charging module, the second switch group The other end of first switch (K3), the other end of the second switch (K4) of the second switch group connect the second charging gun；
One end of the first switch (K5) of the 3rd switches set is connected to the positive output end of the first large current charge module, described Another positive output end for being connected to second largest electric current charging module of the first switch (K5) of three switches sets, the 3rd switches set An end of second switch (K6) be connected to the negative output terminal of the first large current charge module, the second switch of the 3rd switches set (K6) another negative output terminal for being connected to second largest electric current charging module；
One end of the first switch (K7) of the 4th switches set is connected to the another of the first switch (K1) of the first switch group End, another positive output end for being connected to trickle charge module of the first switch (K7) of the 4th switches set, the described 4th opens One end of the second switch (K8) of pass group is connected to the other end of the second switch (K2) of the first switch group, the 4th switch Another negative output terminal for being connected to trickle charge module of the second switch (K8) of group；
One end of the first switch (K9) of the 5th switches set is connected to the another of the first switch (K3) of the second switch group End, another positive output end for being connected to trickle charge module of the first switch (K9) of the 5th switches set, the described 5th opens One end of the second switch (K10) of pass group is connected to the other end of the second switch (K4) of the second switch group, and the described 5th opens Another negative output terminal for being connected to trickle charge module of the second switch (K10) of pass group.
3. the control method of a kind of rush-harvesting and rush-planting intelligence trickle charge system, it is characterised in that：
Step 1, charge information needed for rush-harvesting and rush-planting intelligence trickle charge system real-time monitoring terminal to be charged, just in charging terminal institute The charge information for needing, the charge information needed for the terminal to be charged includes that required charging current, terminal to be charged connect The charging gun rifle number for connecing, just in the charge information needed for charging terminal including the required size of current that charges, just in charging terminal company The charging gun rifle number for connecing；
Step 2, rush-harvesting and rush-planting intelligence trickle charge system is according to the charge requirement information of terminal to be charged, just in the charging of charging terminal Information, terminal class information, the first to the 5th switches set of controlling switch switching system are turned on or off state, rush-harvesting and rush-planting intelligence tiny stream Charging current and terminal grade of the current charge system according to needed for the terminal being connected with the first charging gun, the second charging gun It is independently-powered or any in the first large current charge module of information selection, the second large current charge module, trickle charge module Combination parallel operation, higher ranked terminal preferentially can be powered using trickle charge module.
4. the control method of a kind of rush-harvesting and rush-planting intelligence trickle charge system according to claim 3, it is characterised in that：
Specifically include,
When an independent terminal is connected to the first charging gun of rush-harvesting and rush-planting intelligence trickle charge system,
If I1＞ IMAX1+IMAX,
Rush-harvesting and rush-planting intelligence trickle charge system controls first switch group (K1, K2), the 3rd switches set (K5, K6), the 4th switches set (K7, K8) is in closure conducting state, and second switch group (K3, K4), the 5th switches set (K9, K10) are off, and first The terminal of large current charge module, the second large current charge module, trickle charge module simultaneously to the first charging gun of connection is powered；
If IMAX1＜ I1≤IMAX1+IMAX,
Rush-harvesting and rush-planting intelligence trickle charge system controls first switch group (K1, K2), the 4th switches set (K7, K8) to be in closure conducting shape State, second switch group (K3, K4), the 3rd switches set (K5, K6), the 5th switches set (K9, K10) are off, and first is big The terminal of electric current charging module, trickle charge module simultaneously to the first charging gun of connection is powered；
If IMAX＜ I1≤IMAX1,
Rush-harvesting and rush-planting intelligence trickle charge system controls first switch group (K1, K2) to be in and closes conducting state, second switch group (K3, K4), the 3rd switches set (K5, K6), the 4th switches set (K7, K8), the 5th switches set (K9, K10) are off, and first is big Electric current charging module is powered to the terminal of the first charging gun of connection；
If I1≤IMAX,
Rush-harvesting and rush-planting intelligence trickle charge system controls the 4th switches set (K7, K8) to be in and closes conducting state, first switch group (K1, K2), second switch group (K3, K4), the 3rd switches set (K5, K6), the 5th switches set (K9, K10) are off, and trickle fills Electric module is powered to the terminal of the first charging gun of connection；
Wherein, I1Charging current value needed for connect the terminal of the first charging gun, I2Needed for connect the terminal of the second charging gun Charging current value, IMAX1It is the maximum output current value of the first large current charge module, IMAX2It is the second large current charge module Maximum output current value, IMAXIt is the maximum output current value of trickle charge module charging module group.
5. the control method of a kind of rush-harvesting and rush-planting intelligence trickle charge system according to claim 4, it is characterised in that：
Also include,
(1) when the terminal for connecting the first charging gun is charging and I1＞ IMAX1+IMAX, when another terminal accesses the second charging gun,
If the grade for connecting the terminal of the first charging gun is identical with the grade of the terminal of the second charging gun of connection,：
Rush-harvesting and rush-planting intelligence trickle charge system controls first switch group (K1, K2), the 4th switches set (K7, K8) to maintain closure conducting shape State, the 5th switches set (K9, K10) maintains off-state, the 3rd switches set (K5, K6) of control to be converted to disconnection shape by conducting state State, after a period of time, control second switch group (K3, K4) is converted to conducting state, the first large current charge mould by off-state Group, trickle charge module are powered to the terminal of the first charging gun of connection, and the second large current charge module gives connection the second charging gun Terminal power；
If connecting the grade of the terminal of the grade less than the second charging gun of connection of the terminal of the first charging gun,：
(a)I2＞ IMAX2, rush-harvesting and rush-planting intelligence trickle charge system control first switch group (K1, K2) maintenance closure conducting state, control 3rd switches set (K5, K6), the 4th switches set (K7, K8) are converted to off-state by conducting state, after a period of time, control the Two switches sets (K3, K4), the 5th switches set (K9, K10) are converted to conducting state, the first large current charge module by off-state Terminal to the first charging gun of connection is powered, and the second large current charge module, trickle charge module are to the second charging gun of connection Terminal is powered；
(b)I2≤IMAX2, rush-harvesting and rush-planting intelligence trickle charge system control first switch group (K1, K2), the 4th switches set (K7, K8) dimension Closure conducting state is held, the 5th switches set (K9, K10) maintains off-state, and the 3rd switches set (K5, K6) of control is by conducting state Off-state is converted to, after a period of time, control second switch group (K3, K4) is converted to conducting state, first by off-state Large current charge module, trickle charge module are powered to the terminal of the first charging gun of connection, and the second large current charge module is to company The terminal for connecing the second charging gun is powered；
(2) when the terminal for connecting the first charging gun is charging and IMAX1＜ I1≤IMAX1+IMAX, another charging of terminal access second During rifle,
If the grade for connecting the terminal of the first charging gun is identical with the grade of the terminal of the second charging gun of connection,：
Rush-harvesting and rush-planting intelligence trickle charge system controls first switch group (K1, K2), the 4th switches set (K7, K8) to maintain closure conducting shape State, the 3rd switches set (K5, K6), the 5th switches set (K9, K10) maintain off-state, and control second switch group (K3, K4) is by breaking Open state is converted to conducting state, and the first large current charge module, trickle charge module are supplied to the terminal of the first charging gun of connection Electricity, the second large current charge module is powered to the terminal of the second charging gun of connection；
If connecting the grade of the terminal of the grade less than the second charging gun of connection of the terminal of the first charging gun,：
(a)I2＞ IMAX2, rush-harvesting and rush-planting intelligence trickle charge system control first switch group (K1, K2) maintenance closure conducting state, the 3rd Switches set (K5, K6) maintains off-state, the 4th switches set (K7, K8) of control to be converted to off-state by closure conducting state, After a period of time, control second switch group (K3, K4), the 5th switches set (K9, K10) are converted to conducting state by off-state, First large current charge module is powered to the terminal of the first charging gun of connection, the second large current charge module, trickle charge module Terminal to the second charging gun of connection is powered；
(b)I2≤IMAX2, rush-harvesting and rush-planting intelligence trickle charge system control first switch group (K1, K2), the 4th switches set (K7, K8) dimension Closure conducting state is held, the 3rd switches set (K5, K6), the 5th switches set (K9, K10) maintain off-state, control second switch Group (K3, K4) is converted to conducting state by off-state, and the first large current charge module, trickle charge module fill to connection first The terminal of electric rifle is powered, and the second large current charge module is powered to the terminal of the second charging gun of connection；
(3) when the terminal for connecting the first charging gun is charging and IMAX＜ I1≤IMAX1, when another terminal accesses the second charging gun,
A () works as I2＞ IMAX2When, rush-harvesting and rush-planting intelligence trickle charge system controls first switch group (K1, K2) to maintain closure conducting state, 3rd switches set (K5, K6), the 4th switches set (K7, K8) maintain off-state, and control second switch group (K3, K4), the 5th open Pass group (K9, K10) is converted to conducting state, terminal of the first large current charge module to the first charging gun of connection by off-state Power supply, the second large current charge module, trickle charge module are powered to the terminal of the second charging gun of connection；
B () works as I2≤IMAX2When, rush-harvesting and rush-planting intelligence trickle charge system controls first switch group (K1, K2) to maintain closure conducting state, 3rd switches set (K5, K6), the 4th switches set (K7, K8), the 5th switches set (K9, K10) maintain off-state, and control second is opened Pass group (K3, K4) is converted to conducting state, terminal of the first large current charge module to the first charging gun of connection by off-state Power supply, the second large current charge module is powered to the terminal of the second charging gun of connection；
(4) when the terminal for connecting the first charging gun is charging and I1≤IMAX, when another terminal accesses the second charging gun,
Work as I2＞ IMAX2When, rush-harvesting and rush-planting intelligence trickle charge system controls the 4th switches set (K7, K8) to maintain closure conducting state, the One switches set (K1, K2), the 5th switches set (K9, K10) maintain off-state, control second switch group (K3, K4), the 3rd switch Group (K5, K6) is converted to conducting state by off-state, and trickle charge module is powered to the terminal of the first charging gun of connection, and first Large current charge module, the second large current charge module are powered to the terminal of the second charging gun of connection；
Work as I2≤IMAX2When, rush-harvesting and rush-planting intelligence trickle charge system controls the 4th switches set (K7, K8) to maintain closure conducting state, the One switches set (K1, K2), the 3rd switches set (K5, K6), the 5th switches set (K9, K10) maintain off-state, control second switch Group (K3, K4) is converted to conducting state by off-state, and trickle charge module is powered to the terminal of the first charging gun of connection, and second Large current charge module is powered to the terminal of the second charging gun of connection.
6. the control method of a kind of rush-harvesting and rush-planting intelligence trickle charge system according to claim 4, it is characterised in that：
Also include,
If when the terminal for connecting the first charging gun, the terminal for connecting the second charging gun are in charging and the 4th switches set (K7, K8) Changed to off-state from closure conducting state,
If I2＞ IMAX2, control the 5th switches set (K9, K10) to be converted to conducting state, the first large current charge mould by off-state Group is powered to the terminal of the first charging gun of connection, and the second large current charge module, trickle charge module give connection the second charging gun Terminal power；
If when the terminal for connecting the first charging gun, the terminal for connecting the second charging gun are in charging and the 5th switches set (K9, K10) Changed to off-state from closure conducting state,
If I1＞ IMAX1, control the 4th switches set (K7, K8) to be converted to conducting state, the first large current charge mould by off-state Group, trickle charge module are powered to the terminal of the first charging gun of connection, and the second large current charge module gives connection the second charging gun Terminal power.
7. the control method of a kind of rush-harvesting and rush-planting intelligence trickle charge system according to claim 3, it is characterised in that：
Specifically include,
When an independent terminal is connected to the second charging gun of rush-harvesting and rush-planting intelligence trickle charge system,
If I2＞ IMAX2+IMAX,
Rush-harvesting and rush-planting intelligence trickle charge system controls second switch group (K3, K4), the 3rd switches set (K5, K6), the 5th switches set (K9, K10) is in closure conducting state, and first switch group (K1, K2), the 4th switches set (K7, K8) are off, and first The terminal of large current charge module, the second large current charge module, trickle charge module simultaneously to the second charging gun of connection is powered；
If IMAX2＜ I2≤IMAX2+IMAX,
Rush-harvesting and rush-planting intelligence trickle charge system controls second switch group (K3, K4), the 5th switches set (K9, K10) to be in closure conducting State, first switch group (K1, K2), the 3rd switches set (K5, K6), the 4th switches set (K7, K8) are off, second largest The terminal of electric current charging module, trickle charge module simultaneously to the second charging gun of connection is powered；
If IMAX＜ I2≤IMAX2,
Rush-harvesting and rush-planting intelligence trickle charge system controls second switch group (K3, K4) to be in and closes conducting state, first switch group (K1, K2), the 3rd switches set (K5, K6), the 4th switches set (K7, K8), the 5th switches set (K9, K10) are off, second largest Electric current charging module is powered to the terminal of the second charging gun of connection；
If I2≤IMAX,
Rush-harvesting and rush-planting intelligence trickle charge system controls the 5th switches set (K9, K10) to be in and closes conducting state, first switch group (K1, K2), second switch group (K3, K4), the 3rd switches set (K5, K6), the 4th switches set (K7, K8) are off, and trickle fills Electric module is powered to the terminal of the second charging gun of connection.
8. the control method of a kind of rush-harvesting and rush-planting intelligence trickle charge system according to claim 7, it is characterised in that：
Also include,
(1) when the terminal for connecting the second charging gun is charging and I2＞ IMAX2+IMAX, when another terminal accesses the first charging gun,
If the grade for connecting the terminal of the first charging gun is identical with the grade of the terminal of the second charging gun of connection,：
Rush-harvesting and rush-planting intelligence trickle charge system controls second switch group (K3, K4), the 5th switches set (K9, K10) to maintain closure conducting State, the 4th switches set (K7, K8) maintains off-state, the 3rd switches set (K5, K6) of control to be converted to disconnection by conducting state State, after a period of time, control first switch group (K1, K2) is converted to conducting state, the first large current charge by off-state Module is powered to the terminal of the first charging gun of connection, and the second large current charge module, trickle charge module charge to connection second The terminal of rifle is powered；
If connecting the grade of the terminal of the grade higher than the second charging gun of connection of the terminal of the first charging gun,：
(a)I1＞ IMAX1, rush-harvesting and rush-planting intelligence trickle charge system control second switch group (K3, K4) maintenance closure conducting state, control 3rd switches set (K5, K6), the 5th switches set (K9, K10) are converted to off-state by conducting state, after a period of time, control First switch group (K1, K2), the 4th switches set (K7, K8) are converted to conducting state, the first large current charge mould by off-state Group, trickle charge module are powered to the terminal of the first charging gun of connection, and the second large current charge module gives connection the second charging gun Terminal power；
(b)I1≤IMAX1,
Rush-harvesting and rush-planting intelligence trickle charge system controls second switch group (K3, K4), the 5th switches set (K9, K10) to maintain closure conducting State, the 4th switches set (K7, K8) maintains off-state, the 3rd switches set (K5, K6) of control to be converted to disconnection by conducting state State, after a period of time, control first switch group (K1, K2) is converted to conducting state, the first large current charge by off-state Module is powered to the terminal of the first charging gun of connection, and the second large current charge module, trickle charge module charge to connection second The terminal of rifle is powered；
(2) when the terminal for connecting the second charging gun is charging and IMAX2＜ I2≤IMAX2+IMAX, another charging of terminal access first During rifle,
If the grade for connecting the terminal of the first charging gun is identical with the grade of the terminal of the second charging gun of connection,：
Rush-harvesting and rush-planting intelligence trickle charge system controls second switch group (K3, K4), the 5th switches set (K9, K10) to maintain closure conducting State, the 3rd switches set (K5, K6), the 4th switches set (K7, K8) maintain off-state, control first switch group (K1, K2) by Off-state is converted to conducting state, and the first large current charge module is powered to the terminal of the first charging gun of connection, second largest electricity Current charge module, trickle charge module are powered to the terminal of the second charging gun of connection；
If connecting the grade of the terminal of the grade higher than the second charging gun of connection of the terminal of the first charging gun,：
(a)I1＞ IMAX1,
Rush-harvesting and rush-planting intelligence trickle charge system control second switch group (K3, K4) maintenance closure conducting state, the 3rd switches set (K5, K6 off-state, the 5th switches set (K9, K10) of control) is maintained to be converted to off-state by closure conducting state, control first is opened Pass group (K1, K2), the 4th switches set (K7, K8) are converted to conducting state, the first large current charge module, trickle by off-state Charging module is powered to the terminal of the first charging gun of connection, and the second large current charge module is supplied to the terminal of the second charging gun of connection Electricity；
(b)I1≤IMAX1,
Rush-harvesting and rush-planting intelligence trickle charge system controls second switch group (K3, K4), the 5th switches set (K9, K10) to maintain closure conducting State, the 3rd switches set (K5, K6), the 4th switches set (K7, K8) maintain off-state, control first switch group (K1, K2) by Off-state is converted to conducting state, and the first large current charge module is powered to the terminal of the first charging gun of connection, second largest electricity Current charge module, trickle charge module are powered to the terminal of the second charging gun of connection；
(3) when the terminal for connecting the second charging gun is charging and IMAX＜ I2≤IMAX2, when another terminal accesses the first charging gun, Work as I1＞ IMAX1When, rush-harvesting and rush-planting intelligence trickle charge system controls second switch group (K3, K4) to maintain closure conducting state, and the 3rd opens Pass group (K5, K6), the 5th switches set (K9, K10) maintain off-state, control first switch group (K1, K2), the 4th switches set (K7, K8) is converted to conducting state by off-state, and the first large current charge module, trickle charge module charge to connection first The terminal of rifle is powered, and the second large current charge module is powered to the terminal of the second charging gun of connection；
Work as I1≤IMAX1When, rush-harvesting and rush-planting intelligence trickle charge system controls second switch group (K3, K4) to maintain closure conducting state, the Three switches sets (K5, K6), the 4th switches set (K7, K8), the 5th switches set (K9, K10) maintain off-state, control first switch Group (K1, K2) is converted to conducting state by off-state, and the first large current charge module is supplied to the terminal of the first charging gun of connection Electricity, the second large current charge module is powered to the terminal of the second charging gun of connection；
(4) when the terminal for connecting the second charging gun is charging and I2≤IMAX, when another terminal accesses the first charging gun,
Work as I1＞ IMAX1When, rush-harvesting and rush-planting intelligence trickle charge system controls the 5th switches set (K9, K10) to maintain closure conducting state, the Two switches sets (K3, K4), the 4th switches set (K7, K8) maintain off-state, control first switch group (K1, K2), the 3rd switch Group (K5, K6) is converted to conducting state by off-state, and the first large current charge module, the second large current charge module are to connection The terminal of the first charging gun is powered, and trickle charge module is powered to the terminal of the second charging gun of connection；
Work as I1＜ IMAX1When, rush-harvesting and rush-planting intelligence trickle charge system controls the 5th switches set (K9, K10) to maintain closure conducting state, the Two switches sets (K3, K4), the 3rd switches set (K5, K6), the 4th switches set (K7, K8) maintain off-state, control first switch Group (K1, K2) is converted to conducting state by off-state, and the first large current charge module is supplied to the terminal of the first charging gun of connection Electricity, trickle charge module is powered to the terminal of the second charging gun of connection.
9. the control method of a kind of rush-harvesting and rush-planting intelligence trickle charge system according to claim 7, it is characterised in that：
Also include,
If when the terminal for connecting the first charging gun, the terminal for connecting the second charging gun are in charging and the 4th switches set (K7, K8) Changed to off-state from closure conducting state,
If I2＞ IMAX2, control the 5th switches set (K9, K10) to be converted to conducting state, the first large current charge mould by off-state Group is powered to the terminal of the first charging gun of connection, and the second large current charge module, trickle charge module give connection the second charging gun Terminal power；
If when connect the first charging gun terminal, connection the second charging gun terminal charging and the 5th switches set (K9, K10) changed to off-state from closure conducting state,
If I1＞ IMAX1, control the 4th switches set (K7, K8) to be converted to conducting state, the first large current charge mould by off-state Group, trickle charge module are powered to the terminal of the first charging gun of connection, and the second large current charge module gives connection the second charging gun Terminal power.
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