CN104124667B - A kind of drive control module and its control method for controlled motor - Google Patents
A kind of drive control module and its control method for controlled motor Download PDFInfo
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- CN104124667B CN104124667B CN201310152817.6A CN201310152817A CN104124667B CN 104124667 B CN104124667 B CN 104124667B CN 201310152817 A CN201310152817 A CN 201310152817A CN 104124667 B CN104124667 B CN 104124667B
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 235000014676 Phragmites communis Nutrition 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
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Abstract
The invention discloses a kind of drive control module and its control method for controlled motor, including：The single-chip microcomputer that the relay and control relay that battery, controlled motor are turned on and off are turned on and off, drive control module also include external switch and self-protection circuit；External switch is arranged on the earth terminal of relay；Self-protection circuit includes not circuit, and not circuit is provided with input, output end and power end；Power end is connected with battery；The output end of input and relay connects；Output end is connected with external switch, and not circuit default one puts high threshold, and not circuit controls external switch to be turned on and off the output end voltage of relay with putting after high threshold is made comparisons.After adopting the above technical scheme, self-protection circuit automatically disconnects relay and ground in a short-circuit situation, guarantee insurance silk is not burned with control module when motor harness is contacted or wound with battery wire harness.
Description
Technical field
The present invention relates to auto parts and components field, more particularly to a kind of drive control module for controlled motor.
Background technology
As user is to vehicle intellectualized, automation, the requirement increasingly increased in comfortableness, vehicle window automatic lifting, after
The automation functions such as visor auto-folder, fuel tank cap automatic deploying and retracting are widely used among Hyundai Motor, and these are intelligent
The realization of function is required for direct current generator driving mechanical structure to go to realize.Refering to Fig. 1, for the normal work of direct current generator in the prior art
Control and connection diagram when making, the run switch of direct current generator is realized by the operation to control module at present,
And control module is then switched by the single-chip microcomputer control relay in module to realize, direct current generator passes through with the relay in module
In-car wire harness connection.
Because automotive interior binder lines are long, motor connection line is adjacent to battery wire harness during winding displacement, when automobilism is run
Winnow with a dustpan or when motor works long hours, motor connection wire harness or contact or wind with battery wire harness, cause electric motor short circuit, refering to Fig. 2,
For direct current generator connecting line and battery line short-circuit condition schematic diagram.Now because relay switch conducting resistance is very small, will make
Into high current by fuse and relay, fuse and relay is set to be burnt out due to overheat, and then whole motor can be caused
Functional module fails, and safety problem occurs in automobile.Control module is stopped during due to motor locking, and also this failure can not be entered
Row, which diagnoses, simultaneously closes relay, thus when occurring problems in the prior art can only by change fuse or control module come
Solve.
So be badly in need of it is a kind of have in a short-circuit situation can automatically by relay with ground break function drive control mould
Block, guarantee insurance silk are not burned with control module when motor harness is contacted or wound with battery wire harness.
The content of the invention
It is an object of the invention to provide a kind of drive control module for controlled motor, the drive control module is in electricity
Relay and ground are disconnected automatically under machine short-circuit conditions, protective relay is against damages.
A further object of the present invention is to provide a kind of control method of above-mentioned drive control module, using the control method
Afterwards, ensure that the drive control module does not expend unnecessary battery electric quantity in normal work compared to existing module.
The invention discloses a kind of drive control module for controlled motor, including：Battery, for controlling the motor
At least one relay and the single-chip microcomputer for controlling at least one relay to be turned on and off being turned on and off, wherein
Drive control module also includes：At least one external switch and the interface of connection corresponding with each at least one relay from
Protection circuit；At least one external switch is arranged on the earth terminal of each at least one relay；Interface self-shield
Circuit includes not circuit, and not circuit is provided with not circuit input, not circuit output end and not circuit power end；Institute
State not circuit power end to be connected with battery, powered from battery to not circuit；The not circuit input with it is described at least
The output end connection of one relay；The not circuit output end is connected with least one external switch, not circuit
Default one puts high threshold, and not circuit is put after high threshold makes comparisons to the output end voltage of at least one relay with described
The external switch is controlled to be turned on and off.
Preferably, drive control module also includes feedback circuit, and corresponding each at least one relay sets a feedback electricity
Road, feedback circuit are connected between the output end of not circuit input and at least one relay.
It is highly preferred that feedback circuit feeds back a voltage to not circuit input, when electric motor short circuit, the voltage is higher than
Put high threshold.
Preferably, drive control module also includes fuse, and corresponding each at least one relay sets a fuse, protected
Dangerous silk is connected between battery and at least one relay.
Preferably, at least one relay number is two.
The invention also discloses a kind of control method of above-mentioned drive control module, include following steps：Step A：When
When motor occurs short-circuit, the earth terminal of the relay is identical with cell voltage, and not circuit input is higher than not circuit
Put high threshold；Step B：Not circuit output end is set low, and disconnects the external switch；Step C：The earth terminal of the relay
Disconnect, battery is not powered to motor and the relay, avoids motor and relay short circuit.
Preferably, also comprise the following steps：Step D：When the external switch disconnects, single-chip microcomputer controls the relay
Reed be connected with earth terminal, not circuit output end, which puts height, closes the external switch.
Preferably, also comprise the following steps：Step E：When the external switch closes, single-chip microcomputer controls the relay
Reed be connected with battery-end, not circuit output end, which is set low, disconnects the external switch.
After adopting the above technical scheme, after motor harness is contacted or wound with battery wire harness, not circuit will be from dynamic circuit breaker
The external switch of each relay is opened, makes relay earth-free, failure is automatically brought into operation after occurring, and is disconnected automatically within the Microsecond grade time
External switch, high current is effectively prevent by fuse and relay, the function of automatic protection circuit is served, is saving
Operating efficiency is improved while cost.Meanwhile self-protection circuit current drain in drive control module normal work is
Microampere order, control module is not had an impact.
Brief description of the drawings
Control and connection diagram when Fig. 1 is direct current generator normal work in the prior art of the invention；1 battery, 2 are protected in figure
Dangerous silk, 3 battery wire harness, 4 motor harness, 5 single-chip microcomputers, 6 relays, 7 motors；
Fig. 2 is direct current generator connecting line in the prior art of the invention and battery line short-circuit condition schematic diagram；1 battery, 2 in figure
Fuse, 3 battery wire harness, 4 motor harness, 5 single-chip microcomputers, 6 relays, 7 motors；
Fig. 3 is the system schematic of the drive and control of electric machine module of the integrated self-protection circuit of the present invention；1 battery, 2 are protected in figure
Dangerous silk, 3 battery wire harness, 4 motor harness, 5 single-chip microcomputers, 6 relays, 7 motors, 8 self-protection circuits, 9 not circuits, 10 feedback electricity
Road, 11 external switches.
Embodiment
Advantages of the present invention is expanded on further below in conjunction with accompanying drawing and specific embodiment.
Refering to Fig. 3, for the driving control system for electric machine schematic diagram of a preferably integrated self-protection circuit of the invention, the motor
Drive control module includes battery 1, single-chip microcomputer 5 and relay 6.The number of relay 6 can configure according to drive module size.Institute
Drive control module is stated to be powered by battery 1, single-chip microcomputer 5 it is electric after control relay coil obtain it is whether electric, so as to control relay 6
Switch, and relay switch then simultaneously controlled motor 7 run or stop.The drive and control of electric machine module is also opened including outside
11 and self-protection circuit 8 are closed, external switch 11 is arranged on the earth terminal of relay 6；Self-protection circuit 8 includes not circuit 9, non-
Gate circuit 9 is provided with not circuit input, not circuit output end and not circuit power end；Not circuit power end and battery
1 connection, is powered from battery 1 to not circuit 9；Not circuit input is connected with the output end of relay 6；Not circuit exports
End is connected with external switch 11.After the completion of connection, preset in not circuit 9 and one put high threshold, after power supply not circuit 9 to after
The output end voltage of electrical equipment 6 controls the external switch 11 to be turned on and off with described put after high threshold is made comparisons, external switch
It is in off-state that the earth terminal of relay 6 is earth-free during 11 disconnection, and the earth terminal of relay 6 ground connection is in close during the closure of external switch 11
Conjunction state.
In the preferred embodiment of the present invention, using the configuration of two relays in drive control module, respectively with the one of motor 7
End connection, relative to the configuration for only using a relay, it is electric that single-chip microcomputer 5 can control the two relays to obtain motor 7 simultaneously
Whether it is controlled, reduces electrical fault rate.
In the preferred embodiment of the present invention, drive control module also includes feedback circuit, corresponds to each relay and sets one
Feedback circuit 10, feedback circuit 10 are connected between the output end of not circuit input and each relay 6.Feedback circuit 10
After setting, if battery wire harness 3 is contacted or wound with motor harness 4, feedback circuit 10 can feed back high to not circuit input
In the magnitude of voltage of supply voltage, so doing is advantageous in that, can be set above battery electricity by the way that not circuit 9 is put into high threshold
Not circuit input is supply voltage when pressing but realizing normal work less than feedback voltage, and output end is then set low all the time, not shadow
Ring the drive control module normal work.
Preferably, drive control module also includes fuse 2, battery is respectively provided with a fuse 2 with each relay, uses
It is not burned in protecting motor 7.
After the completion of connection, using not circuit 9 it is anti-phase the characteristics of the motor harness 3 is contacted or is wound with battery wire harness 4 when
Automatic to disconnect the earth terminal of relay 6, high current is not the work(that relay 6 adds self-shield by fuse 2 and relay 6
Energy.
It is as follows to the control method of each external switch 11 and relay 6 during drive control module work of the present invention：Driving control
Molding block can to motor 7, whether short circuit judges all the time, when short circuit occurs for motor 7, earth terminal and the battery 1 of relay 6
Voltage is identical, and the feedback voltage of feedback circuit 10 will be above supply voltage and cause not circuit input terminal voltage to be higher than not circuit
9 put high threshold；Thus, not circuit 9 is triggered by feedback voltage 10, and output end is set low, and disconnects external switch 11；Then after
The earth terminal of electrical equipment 6 is disconnected, and battery 1 is not powered to motor 7 and relay 6, avoids relay 6 from being burnt because being short-circuited motor 7.
Also include following two steps when the drive control module normal work：When the external switch 11 of relay 6 disconnects
When, the reed of the control relay 6 of single-chip microcomputer 5 is connected with earth terminal, sets low not circuit input, then not circuit output end
Putting height closes external switch；When the external switch 11 of relay 6 closes, the reed and battery-end of the control relay 6 of single-chip microcomputer 5
Connection, makes not circuit input put height, then not circuit output end, which is set low, disconnects external switch 11.By root in practical operation
According to whether opening or stop the work of motor 7 come operation that external switch 11 is turned off or closed, and it need to only pass through monolithic
The reed that machine 5 changes relay 6 can be achieved the goal, and whole system will not be impacted.
After adopting the above technical scheme, after motor harness is contacted or wound with battery wire harness, not circuit will be from dynamic circuit breaker
The external switch of each relay is opened, makes relay earth-free, failure is automatically brought into operation after occurring, and is disconnected automatically within the Microsecond grade time
External switch, high current is effectively prevent by fuse and relay, the function of automatic protection circuit is served, is saving
Operating efficiency is improved while cost.Meanwhile self-protection circuit current drain in drive control module normal work is
Microampere order, control module is not had an impact.
It should be noted that embodiments of the invention have preferable implementation, and not the present invention is made any type of
Limitation, any one skilled in the art change or are modified to possibly also with the technology contents of the disclosure above equivalent effective
Embodiment, as long as without departing from the content of technical solution of the present invention, above example is made according to technical spirit of the invention
Any modification or equivalent variations and modification, in the range of still falling within technical solution of the present invention.
Claims (8)
1. a kind of drive control module for controlled motor, including：Battery, for control the motor be turned on and off to
A few relay and the single-chip microcomputer for controlling at least one relay to be turned on and off, it is characterised in that：
The drive control module also includes：At least one external switch and connection corresponding with each at least one relay
Interface self-protection circuit；
At least one external switch is arranged on the earth terminal of each at least one relay；
The interface self-protection circuit includes not circuit, and it is defeated that the not circuit is provided with not circuit input, not circuit
Go out end and not circuit power end；
The not circuit power end is connected with the battery, is powered from the battery to the not circuit；
The not circuit input is connected with the output end of at least one relay；
The not circuit output end is connected with least one external switch, and the not circuit default one puts high threshold,
The not circuit controls outside described the output end voltage of at least one relay with described put after high threshold is made comparisons
Portion is turned on and off.
2. drive control module as claimed in claim 1, it is characterised in that：The drive control module also includes feedback electricity
Road, corresponding each at least one relay set a feedback circuit, and the feedback circuit is connected to the not circuit input
Between the output end of at least one relay.
3. drive control module as claimed in claim 2, it is characterised in that：The feedback circuit is to the not circuit input
A voltage is fed back, when the electric motor short circuit, the voltage puts high threshold higher than described.
4. drive control module as claimed in claim 1, it is characterised in that：The drive control module also includes fuse,
Corresponding each at least one relay sets a fuse, the fuse be connected to the battery with it is described at least one
Between relay.
5. drive control module as claimed in claim 1, it is characterised in that：At least one relay number is two.
6. a kind of control method of drive control module, the drive control module include：Battery, motor, relay, outside are opened
Pass, single-chip microcomputer and not circuit, it is characterised in that：
The control method comprises the following steps：
Step A：When the motor occurs short-circuit, the earth terminal of the relay is identical with the voltage of the battery, described non-
Gate circuit input puts high threshold higher than the not circuit；
Step B：The not circuit output end is set low, and disconnects the external switch；
Step C：The earth terminal of the relay is disconnected, and the battery is not powered to the motor and the relay, avoids institute
State motor and relay short circuit.
7. control method as claimed in claim 6, it is characterised in that：
Also comprise the following steps：
Step D:When the external switch disconnects, the single-chip microcomputer controls the reed of the relay to be connected with earth terminal, institute
Stating not circuit output end and putting height closes the external switch.
8. control method as claimed in claim 6, it is characterised in that：
Also comprise the following steps：
Step E：When the external switch closes, the single-chip microcomputer controls the reed of the relay to be connected with battery-end, institute
Stating not circuit output end and setting low disconnects the external switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310152817.6A CN104124667B (en) | 2013-04-27 | 2013-04-27 | A kind of drive control module and its control method for controlled motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310152817.6A CN104124667B (en) | 2013-04-27 | 2013-04-27 | A kind of drive control module and its control method for controlled motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104124667A CN104124667A (en) | 2014-10-29 |
| CN104124667B true CN104124667B (en) | 2017-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310152817.6A Active CN104124667B (en) | 2013-04-27 | 2013-04-27 | A kind of drive control module and its control method for controlled motor |
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| Country | Link |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201499116U (en) * | 2009-05-26 | 2010-06-02 | 潘亚君 | Electronic control device of high-voltage direct current motor |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56166790A (en) * | 1980-11-17 | 1981-12-22 | Mitsubishi Electric Corp | Controlling device for electric equipment |
| CN2034337U (en) * | 1988-06-04 | 1989-03-15 | 海城市西四水稻研究所 | Three phase electric shock protector for electric machine |
| CN2144362Y (en) * | 1992-08-05 | 1993-10-20 | 徐有韬 | Integrated protector for ac motor |
| KR100488523B1 (en) * | 2003-02-14 | 2005-05-11 | 삼성전자주식회사 | Motor control apparatus and control method thereof |
| CN201756099U (en) * | 2010-03-19 | 2011-03-09 | 上海海拉电子有限公司 | Power-supply distribution mould for vehicles |
-
2013
- 2013-04-27 CN CN201310152817.6A patent/CN104124667B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201499116U (en) * | 2009-05-26 | 2010-06-02 | 潘亚君 | Electronic control device of high-voltage direct current motor |
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| CN104124667A (en) | 2014-10-29 |
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