CN110161430A - DC power supply intelligent comprehensive monitoring device - Google Patents
DC power supply intelligent comprehensive monitoring device Download PDFInfo
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- CN110161430A CN110161430A CN201910473017.1A CN201910473017A CN110161430A CN 110161430 A CN110161430 A CN 110161430A CN 201910473017 A CN201910473017 A CN 201910473017A CN 110161430 A CN110161430 A CN 110161430A
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- power supply
- data
- central processing
- processing unit
- comprehensive monitoring
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/10—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods using digital techniques
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/40—Testing power supplies
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
The present invention relates to a kind of DC power supply intelligent comprehensive monitoring devices, mainly include signal acquisition circuit, central processing unit, man-machine interface and storage unit.Signal acquisition circuit is connected with intelligent power, and signal acquisition circuit for acquiring the voltage data and current data of intelligent power in real time；Central processing unit is connected with signal acquisition circuit, and central processing unit is used to calculate electricity data based on voltage data and current data and judges whether data are abnormal and export alarm signal in data exception；Man-machine interface is connected with central processing unit and is used to recycle display voltage data, current data and electricity data；Storage unit is connected with central processing unit, and storage unit is for storing voltage data, current data and electricity data.Full-featured, intelligent strong, the integrated level height of the present invention, to enrich the function of instrument, enhances the scalability of entire power-supply management system, reduces the cost of DC power supply comprehensive monitoring management.
Description
Technical field
The invention belongs to direct current power monitoring technology fields, and in particular to a kind of intelligent comprehensive monitoring for DC power supply
Instrument.
Background technique
As DC power supply is in the extensive utilization of the industries such as electric power, industry, transport, telecommunications, fortune is being used to DC power supply
Monitoring requirement during row is also higher and higher；DC power supply it is normal whether directly affect electric system and electrical equipment
Safe and reliable operation, service life of battery etc., in order to guarantee that the reliable of DC power supply, stable operation must be to DC power supplies
Operational process is monitored in real time.
Current common DC power supply monitoring class instrument function is relatively simple, Yao Shixian electric current, voltage, electricity full prison
Survey, the abnormality alarming of measurement data, more monitoring devices the functions such as integrated monitoring, it is real respectively can only often to pass through multiple modules
It is existing, the block combiners applications such as DC ammeter, D.C. voltmeter, direct current scale, relay need to be used respectively, such as 1 institute of attached drawing
Show that (explanation: 1, Fig. 1 is the schematic diagram of traditional DC power supply monitoring scheme, and instrument is respectively detected in figure to be indicated or count for pointer
Word display type；2, when instrument is to the detection of electric current, voltage, if signal is greater than instrument measurement range, need external shunting or point
Measuring instrumentss are entered back into after pressure device).That there is functions is few for such traditional scheme, performance is poor, degree of intelligence is low, at high cost etc.
Problem is not able to satisfy the demand for realizing comprehensively monitoring to DC power supply to market increasingly.
Summary of the invention
A kind of the object of the present invention is to provide multi-functional and intelligence degrees high, lower-cost DC power supply intelligent comprehensive
Monitoring device.
In order to achieve the above objectives, the technical solution adopted by the present invention is that:
A kind of DC power supply intelligent comprehensive monitoring device, for being monitored to intelligent power, the DC power supply intelligent comprehensive
Monitoring device includes:
Signal acquisition circuit, the signal acquisition circuit are connected with the intelligent power, and the signal acquisition circuit is for real
When acquire the voltage data and current data of the intelligent power；
Central processing unit, the central processing unit are connected with the signal acquisition circuit, and the central processing unit is used
In calculating electricity data based on the voltage data and the current data and judge data whether extremely and in data exception
When export alarm signal；
Man-machine interface, the man-machine interface be connected with the central processing unit and be used to recycle show the voltage data,
The current data and the electricity data；
Storage unit, the storage unit are connected with the central processing unit, and the storage unit is for storing the voltage
Data, the current data and the electricity data.
The DC power supply intelligent comprehensive monitoring device further includes providing time reference signal for the central processing unit
Clock circuit.
The DC power supply intelligent comprehensive monitoring device further includes for the warning device of alarm and the central processing list
The alarm output circuit that member is connected, the alarm output circuit are used to export based on the alarm signal for driving the report
The driving signal of alarm device.
The warning device includes alarm relay and/or alarm lamp.
The DC power supply intelligent comprehensive monitoring device further includes for the communication with the DC power supply, host computer communication
Circuit.
The communicating circuit is communicated by the RS485 interface of Phototube Coupling and the host computer.
The signal acquisition circuit includes sequentially connected sampling module, filter module, partial pressure amplification module, isolation module
With A/D conversion module.
The man-machine interface includes operation button and display screen.
Due to the above technical solutions, the present invention has the following advantages over the prior art: the present invention it is full-featured,
Intelligent strong, integrated level height, to enrich the function of instrument, enhances the scalability of entire power-supply management system, reduces
The cost of DC power supply comprehensive monitoring management.
Detailed description of the invention
Attached drawing 1 is that traditional DC power supply monitors block diagram.
Attached drawing 2 is the functional block diagram of DC power supply intelligent comprehensive monitoring device of the invention.
Attached drawing 3 is the typical case system block diagram of DC power supply intelligent comprehensive monitoring device of the invention.
Attached drawing 4 is alert operation flow chart in DC power supply intelligent comprehensive monitoring device of the invention.
Specific embodiment
The invention will be further described for embodiment shown in reference to the accompanying drawing.
Embodiment one: as shown in attached drawing 2 and attached drawing 3, a kind of DC power supply intelligent comprehensive monitoring device, including signal acquisition
Circuit, central processing unit, man-machine interface, storage unit, clock circuit, alarm output circuit, warning device, communicating circuit.
Signal acquisition circuit is connected with intelligent power, for acquiring the voltage data and electric current number of intelligent power in real time
According to.Signal acquisition circuit includes sequentially connected sampling module, filter module, partial pressure amplification module, isolation module and A/D conversion
Module.
Central processing unit is connected with signal acquisition circuit, for calculating electricity number based on voltage data and current data
Accordingly and judge whether data are abnormal and export alarm signal in data exception.
Man-machine interface is connected with central processing unit, for recycling display voltage data, current data and electricity data.
Clock circuit is connected with central processing unit, for providing time reference signal for central processing unit.
Alarm output circuit is connected with central processing unit, for being based on alarm signal output drive signal.
Warning device is connected with alarm output circuit, for alarming under the driving of driving signal.Warning device includes
Alarm relay and/or alarm lamp, alarm relay can be connected with combined aural and visual alarm or power supply monitoring system backstage,
Alarm lamp can integrate in man-machine interface.Man-machine interface includes operation button and LED display.
Communicating circuit is connected with central processing unit, and for communicating with DC power supply, host computer, communicating circuit passes through light
The RS485 interface and host computer of electric isolution communicate.
DC power supply, the DC current signal of signal acquisition circuit sampling access instrument input terminal, by filtering, divide
Pressure/amplification, isolation enter CPU after A/D conversion and are calculated.
Central processing unit (CPU) is the core of entire instrument, after receiving the acquisition signal from signal acquisition circuit, meter
Storage unit storage is sent data to after calculation processing, while the carry out LED that data are exported to man-machine interface is shown, centre
Reason unit needs to handle alarming logic control program simultaneously, when meeting alert if, the movement of control alarm output circuit, driving
The alarm lamp of man-machine interface is shown；After CPU also needs reception communication data to instruct and parse, returned according to protocol contents corresponding
Data command realizes that instrument is interacted with the communication of host computer.In central processing unit, by the reality for sampling DC power supply simultaneously
When working voltage, current data, and calculate realtime power value, by the integral of power or electric current and time, calculate direct current
Charge value, electricity can realize it is forward and reverse measure respectively, therefore can the charge and discharge process to battery realized in same instrument
Detection.
Storage unit stores each real-time measuring data, instrument system program, instrument setting parameter etc., energy value and instrument ginseng
The power-off of numerical requirements data can be kept.
Clock circuit executes for program, logic control and energy value metering provide accurate, stable time reference.
Communicating circuit realizes the company of instrument and DC power supply management system host computer by the RS485 interface of Phototube Coupling
It connects；Instrument communications protocol abides by Modbus-RTU standard agreement, and host computer can acquire each real-time measurement values or instrument from instrument
Parameter value is set.
Man-machine interface includes measurement data display window, i.e. LED charactrons circulation shows each measured value, police instruction
Lamp, operation button.Measurement data display window: changeable or circulation shows positive electric energy, reverse power, voltage, electric current, power
Measured value.Indicator light: being respectively alarm lamp 1, alarm lamp 2, communication state, B.O.T.U. indicator light.Data/parameter
Title display window: PH indicates that positive electric energy ,-PH indicate that reverse power, U indicate that voltage, I indicate that electric current, P indicate power.It presses
Key: it positive/negative is shown to energy value, manual switching measured value for parameter (such as: alarm parameters, communications parameter) to be arranged, resets
Operation.
Alarm output circuit receives CPU driving instruction, when detection data occurs abnormal, driving alarm relay movement.
As shown in Fig. 4, by taking electric current warning function as an example, after instrument measurement to DC current values, if the current value measured is not up to
Alarm setting value ALE1, then timer 1,2 is reset, and alarm relay resets, and alarm lamp goes out.When the current value measured
Reach trigger after alarming value ALE1,1 timing of timer, when delay time reaches the first alarm delay time AL_t, alarm
The actuating of relay, alarm lamp is bright, trigger after current value reaches 1.25 times of alarming value ALE1,2 timing of timer,
After delay time reaches the second alarm delay time AH_t, alarm relay is acted, and alarm lamp is bright.Two above alarm is prolonged
When in any one reach corresponding alarm delay time after, relay just acts immediately, and another delay stop timing.After
Recovery condition after electric appliance movement are as follows: current value drops to alarm setting value ALE1 hereinafter, alarm relay recovers immediately, and is not necessarily to
Delay.
Power circuit can be by outside access operating voltage after isolation and conversion, and for instrument, other each functional units are provided
Voltage class needed for it.
It,, can be external if signal is greater than the range ability of signal acquisition circuit when sample rate current, voltage in above scheme
Measuring instrumentss are entered back into after current distributing or sensor, voltage sensor；The settable external device no-load voltage ratio parameter of instrument, makes instrument
It is shown according to an actual value, more intuitively.
Above scheme realizes more electricity, and survey calculation, abnormality alarming judge that output, man-machine interface is shown, communication connects simultaneously
Mouth output function is integrated in same instrument, greatly improves the integrated level of instrument, enriches the function of instrument, enhances whole
The scalability of a power-supply management system reduces the cost of DC power supply comprehensive monitoring management.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of DC power supply intelligent comprehensive monitoring device, for being monitored to intelligent power, it is characterised in that: the direct current
Power supply smart comprehensively monitoring instrument includes:
Signal acquisition circuit, the signal acquisition circuit are connected with the intelligent power, and the signal acquisition circuit is for real
When acquire the voltage data and current data of the intelligent power；
Central processing unit, the central processing unit are connected with the signal acquisition circuit, and the central processing unit is used
In calculating electricity data based on the voltage data and the current data and judge data whether extremely and in data exception
When export alarm signal；
Man-machine interface, the man-machine interface be connected with the central processing unit and be used to recycle show the voltage data,
The current data and the electricity data；
Storage unit, the storage unit are connected with the central processing unit, and the storage unit is for storing the voltage
Data, the current data and the electricity data.
2. DC power supply intelligent comprehensive monitoring device according to claim 1, it is characterised in that: the DC power supply intelligence
Comprehensively monitoring instrument further includes providing the clock circuit of time reference signal for the central processing unit.
3. DC power supply intelligent comprehensive monitoring device according to claim 1, it is characterised in that: the DC power supply intelligence
Comprehensively monitoring instrument further includes warning device for alarm, the alarm output circuit that is connected with the central processing unit,
The alarm output circuit is used to export the driving signal for driving the warning device based on the alarm signal.
4. DC power supply intelligent comprehensive monitoring device according to claim 3, it is characterised in that: the warning device includes
Alarm relay and/or alarm lamp.
5. DC power supply intelligent comprehensive monitoring device according to claim 1, it is characterised in that: the DC power supply intelligence
Comprehensively monitoring instrument further includes for the communicating circuit with the DC power supply, host computer communication.
6. DC power supply intelligent comprehensive monitoring device according to claim 5, it is characterised in that: the communicating circuit passes through
The RS485 interface and the host computer of Phototube Coupling communicate.
7. DC power supply intelligent comprehensive monitoring device according to claim 1, it is characterised in that: the signal acquisition circuit
Including sequentially connected sampling module, filter module, partial pressure amplification module, isolation module and A/D conversion module.
8. DC power supply intelligent comprehensive monitoring device according to claim 1, it is characterised in that: the man-machine interface includes
Operation button and display screen.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910473017.1A CN110161430A (en) | 2019-05-31 | 2019-05-31 | DC power supply intelligent comprehensive monitoring device |
| PCT/CN2019/120488 WO2020238090A1 (en) | 2019-05-31 | 2019-11-25 | Dc power supply smart integrated monitoring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910473017.1A CN110161430A (en) | 2019-05-31 | 2019-05-31 | DC power supply intelligent comprehensive monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110161430A true CN110161430A (en) | 2019-08-23 |
Family
ID=67630547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910473017.1A Pending CN110161430A (en) | 2019-05-31 | 2019-05-31 | DC power supply intelligent comprehensive monitoring device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110161430A (en) |
| WO (1) | WO2020238090A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020238090A1 (en) * | 2019-05-31 | 2020-12-03 | 苏州迅鹏仪器仪表有限公司 | Dc power supply smart integrated monitoring instrument |
| CN113281673A (en) * | 2021-05-21 | 2021-08-20 | 深圳市虹鹏能源科技有限责任公司 | Direct current electric quantity calculation device and method |
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|---|---|---|---|---|
| JPH07163068A (en) * | 1993-12-03 | 1995-06-23 | Toshiba Corp | Wide area network system for power system information |
| CN201238203Y (en) * | 2008-07-30 | 2009-05-13 | 上海根兴电气成套有限公司 | Microcomputer-controlled uninterrupted power supply cabinet |
| CN102116816A (en) * | 2009-12-31 | 2011-07-06 | 深圳先进技术研究院 | Device and method for monitoring grid-connected running of distributed power supply |
| CN203761136U (en) * | 2014-02-18 | 2014-08-06 | 重庆荣凯川仪仪表有限公司 | Remote monitoring device for AC/DC power supply |
| CN107681699A (en) * | 2017-11-30 | 2018-02-09 | 江苏方天电力技术有限公司 | A kind of grid-connected detection means of distributed power source and method |
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| US8558508B2 (en) * | 2007-06-08 | 2013-10-15 | C & C Power, Inc. | Battery system and management method |
| CN202444328U (en) * | 2012-03-06 | 2012-09-19 | 郑州宏大通信有限公司 | Intelligent monitoring device of direct-current power supply equipment |
| CN205374695U (en) * | 2015-12-28 | 2016-07-06 | 华北电力大学 | VRLA battery on -line monitoring device |
| CN107121645A (en) * | 2017-03-23 | 2017-09-01 | 国家电网公司 | A kind of high-tension switch gear and electrical power monitoring device |
| CN107807563A (en) * | 2017-10-20 | 2018-03-16 | 浙江理工大学 | A kind of distribution parameter monitoring control system and control method |
| CN110161430A (en) * | 2019-05-31 | 2019-08-23 | 苏州迅鹏仪器仪表有限公司 | DC power supply intelligent comprehensive monitoring device |
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2019
- 2019-05-31 CN CN201910473017.1A patent/CN110161430A/en active Pending
- 2019-11-25 WO PCT/CN2019/120488 patent/WO2020238090A1/en not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07163068A (en) * | 1993-12-03 | 1995-06-23 | Toshiba Corp | Wide area network system for power system information |
| CN201238203Y (en) * | 2008-07-30 | 2009-05-13 | 上海根兴电气成套有限公司 | Microcomputer-controlled uninterrupted power supply cabinet |
| CN102116816A (en) * | 2009-12-31 | 2011-07-06 | 深圳先进技术研究院 | Device and method for monitoring grid-connected running of distributed power supply |
| CN203761136U (en) * | 2014-02-18 | 2014-08-06 | 重庆荣凯川仪仪表有限公司 | Remote monitoring device for AC/DC power supply |
| CN107681699A (en) * | 2017-11-30 | 2018-02-09 | 江苏方天电力技术有限公司 | A kind of grid-connected detection means of distributed power source and method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020238090A1 (en) * | 2019-05-31 | 2020-12-03 | 苏州迅鹏仪器仪表有限公司 | Dc power supply smart integrated monitoring instrument |
| CN113281673A (en) * | 2021-05-21 | 2021-08-20 | 深圳市虹鹏能源科技有限责任公司 | Direct current electric quantity calculation device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020238090A1 (en) | 2020-12-03 |
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Application publication date: 20190823 |