CN201345393Y - Battery monitoring system used in electric automobile battery charger - Google Patents
Battery monitoring system used in electric automobile battery charger Download PDFInfo
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- CN201345393Y CN201345393Y CNU2008201241359U CN200820124135U CN201345393Y CN 201345393 Y CN201345393 Y CN 201345393Y CN U2008201241359 U CNU2008201241359 U CN U2008201241359U CN 200820124135 U CN200820124135 U CN 200820124135U CN 201345393 Y CN201345393 Y CN 201345393Y
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- 238000012544 monitoring process Methods 0.000 title abstract description 14
- 238000003860 storage Methods 0.000 claims abstract description 26
- 238000004891 communication Methods 0.000 claims description 20
- 238000012545 processing Methods 0.000 claims description 11
- 238000005259 measurement Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 abstract description 24
- 230000008569 process Effects 0.000 abstract description 22
- 230000002159 abnormal effect Effects 0.000 abstract 1
- 230000005856 abnormality Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000010365 information processing Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011093 media selection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides a battery monitoring system used in an electric automobile battery charger, which comprises a plurality of measuring plates for measuring the voltage, the current and/or the temperature of storage batteries, an interface measuring unit, and a core control unit for controlling the measuring plates. One measuring plate is connected with at least a storage battery, the measuring plates are inserted into the interface measuring unit, and the core control unit is connected between the interface measuring unit and the network system of the electric automobile battery charger. The battery monitoring system provided by the utility model conducts monitoring to the charging process of the storage batteries, so as to timely master all state information of the storage batteries, and timely send out warning signals or switch out the circuit when abnormal conditions occur, thereby avoiding accidents and realizing effective monitoring to the storage batteries in the charging process.
Description
Technical field
The utility model relates to electric field, in particular to a kind of battery monitor system that is used for the charging electric vehicle machine.
Background technology
Automobile give human life bring convenient comfortable in, also consumed a large amount of petroleum resources, discharging waste gas, manufacturing noise, natural ecological environment and mankind itself's health have also been brought the negative effect that can't avoid.At present, along with the growing interest of countries in the world to Vehicle Emission Control, energy problem, cleaning, environmental protection, energy-conservation electric automobile have become the focus of world car industrial development.According to the national conditions of China, the development electric automobile is extremely urgent especially.Electric automobile is as the term suggests be exactly to be the automobile of all or part of power source with battery mainly.Restriction ev industry development at present mainly contains two aspects: the one, and battery itself, the 2nd, charging modes.The charging electric vehicle machine is as the necessary means of battery charge, and its performance quality and complex process degree direct influence are to the useful life of battery and the popularization of electric automobile.
There is safety problem battery in self, especially lithium ion battery can catch fire even explode when overcharging, therefore the safety problem of battery use is the current difficult problem that faces and must solve of domestic and international each big motor corporation and scientific research institution, and whether it directly influences electric automobile can popularization and application.
In realizing the utility model process, the inventor finds that existing charger lacks the effective monitoring to storage battery.
The utility model content
The purpose of this utility model is to provide a kind of battery monitor system that is used for the charging electric vehicle machine, to solve the problem of existing charger shortage to the effective monitoring of storage battery.
In an embodiment of the present invention, a kind of battery monitor system that is used for the charging electric vehicle machine is provided, comprise: be used to measure battery tension, electric current and or the polylith of the temperature key control unit measuring plate, interface measuring unit and be used for the control survey plate, measure plate for one and connect at least one storage battery, polylith is measured plate and is plugged in the interface measuring unit; Key control unit is connected between the network system of interface measuring unit and charging electric vehicle machine.
Optionally, in above-mentioned battery monitor system, measure plate for every and connect the 9 blocks of measurement plates of pegging graft on 12 storage batterys, the interface measuring unit.
Optionally, in above-mentioned battery monitor system, measure plate comprise following one of at least: voltage sensor, current sensor, temperature sensor.
Optionally, in above-mentioned battery monitor system, key control unit is connected to the CAN bus of network system, and the CAN bus also connects master system.
Optionally, in above-mentioned battery monitor system, key control unit is connected to the interface measuring unit by the RS-485 bus of network system.
Optionally, in above-mentioned battery monitor system, key control unit is connected to the power control system of charging electric vehicle machine by the RS485 bus of network system.
Optionally, in above-mentioned battery monitor system, key control unit comprise following one of at least: charger communication module, SOC estimation module, central processing module, expert system module, CAN communication control module.
Optionally, in above-mentioned battery monitor system, key control unit comprises: connect analog to digital converter, memory, keyboard, CAN controller, clock circuit, display, the serial communication circuit of measuring plate; And the processor of connection mode number converter, memory, keyboard, CAN controller, clock circuit, display and serial communication circuit.
Optionally, in above-mentioned battery monitor system, processor also connects keyboard by iic bus.
Optionally, in above-mentioned battery monitor system, processor is the 80c552 chip.
The battery monitor system of the foregoing description is by monitoring battery charging process, can in time grasp every state information of storage battery, when occurring, abnormality in time sends alarm signal or open circuit, prevent the generation of contingency, realized in charging process effective monitoring storage battery.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, constitutes the application's a part, and illustrative examples of the present utility model and explanation thereof are used to explain the utility model, do not constitute improper qualification of the present utility model.In the accompanying drawings:
Fig. 1 shows the schematic diagram according to the control system of an embodiment of the utility model;
Fig. 2 shows the battery monitor system structured flowchart according to an embodiment of the present utility model;
Fig. 3 shows the structured flowchart according to the key control unit of an embodiment of the present utility model;
Fig. 4 shows the structure chart according to the key control unit of an embodiment of the present utility model.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the utility model in detail.
Fig. 1 shows the schematic diagram according to the control system of an embodiment of the utility model, comprising:
Control panel system 110, power control system 120 and master system 140 and network system 150, wherein, control panel system 110, power control system 120 and master system 140 all are connected to network system 150.
This control system is by independently forming distributed system architecture with each subsystem, and the blocking degree that has overcome each subsystem of traditional control system is lower, the unsharp problem of boundary, thereby has reduced the probability that control system breaks down.
Optionally, in above-mentioned control system, the processing section of power control system is the DSP control board.Adopt the DSP control board can satisfy the high requirement of power control system for real-time and reliability.
Optionally, in above-mentioned control system, power control system comprises telecommunication part and man-machine interface part.This can maintain easily remotely operating power control system of personnel.
Optionally, in above-mentioned control system, the processing section of control panel system is the MCU control board.The control panel system is used for field control, and it is less demanding for information processing, adopts MCU control board cost lower, and performance meets the demands suitable present embodiment.
Optionally, in above-mentioned control system, the processing section of master system is a computer motherboard.Adopt general calculation machine mainboard can satisfy the requirement of master system, and reduced cost for telecommunication control.
Optionally, in above-mentioned control system, network system comprises: first universal serial bus connects host computer and power control system; Second universal serial bus connects power control system and control panel system.Connect by double-deck bus between host computer, power control system, the control panel system, the division of labor is clear and definite each other, constitutes real distributed field bus control system, has improved the reliability of communication, has solved the lower problem of reliability in the prior art.
Optionally, in above-mentioned network system, first universal serial bus is the CAN bus, and second universal serial bus is the RS-485 bus.
The network system of traditional electric automobile charger mainly contains RS-232, RS-485 or its FSK (Frequency Shift Keying, frequency shift keying) modulation transmission means etc. at present.RS-485 adopts balance to drive and the differential received mode drives bus, the physical layer that realizes industrial network connects, advantages such as the antijamming capability with signal is stronger, simple in structure, cost is lower, this communication mode is widely used in fields such as instrument, intelligence sensor, coal mine safety monitoring system.But there are shortcomings such as adaptive ability and self-shield ability be more weak in the RS-485 bus.
Bus field at the scene, CAN bus have obtained using widely at industrial control field with its remarkable performance.The CAN bus is to be formulated to the fieldbus of international standard by ISO the earliest, and than serial network systems such as RS-485, the CAN bus has error control ability preferably, reliability height, the transmission characteristic of the long distance of two-forty, advantages such as perfect standard and agreement.In addition, the CAN bus is how main peer system, non-destruction bus arbitration technology is adopted in transmission, have characteristics such as real-time, that hardware interfaces simple, the communication media selection is flexible, become a kind of one of the most competitive fieldbus, be widely used in automobile, building automatic and industrial control field.
Optionally, in above-mentioned control system, also comprise: battery monitor system 130 connects network system 150.By adopting battery monitor system battery charging process is monitored, can in time grasp every state information of storage battery, when abnormality occurs, in time send alarm signal or open circuit, prevent the generation of contingency, realized in charging process effective monitoring storage battery.
Optionally, in above-mentioned control system, the processing section of battery monitor system is the MCU control board.Battery monitor system is less demanding for information processing, adopts MCU control board cost lower, and performance meets the demands suitable present embodiment.
Optionally, in above-mentioned control system, battery monitor system is connected to the RS-485 bus in the network system.Adopt the RS-485 bus to communicate and make that the antijamming capability of signal is stronger, simplified the structure of system, reduced cost.
As can be seen from the above description, the control system of the utility model the foregoing description has realized following technique effect:
1, after having used dcs, subsystems such as power supply control, battery cell monitoring, control panel system are separate, and the order of being undertaken between each subsystem by communication protocol exchanges with data, can improve the flexibility of whole power-supply system greatly.
2, use distributed system, and use communication protocol is carried out the control between subsystem, can stand the very big interference test in the charging process.
3, owing to used dcs, opening improves greatly.Be convenient to the expansion of system hardware and the increase of systemic-function, extraneous calling interface also is provided simultaneously.
4, after adopting the overall process digital processing, help various intelligent algorithms to introduce the charger system, improve the intelligent level of charger system greatly.
5, adopt real-time multi-task operating system to resolve into a plurality of processes to the task of charging process, a function is in charge of and is realized to each process, and by the unified scheduling of operating system, Resources allocation is coordinated the operation of each task.Some links go wrong can not cause the collapse of whole system.And a monitoring process can also be arranged in the system, the ruuning situation of each process is reported to the user.Adopt the multitask running mode, certain process goes wrong can not influence the operation of other process, and the process that goes wrong can also be repaired by other process, thus in the framework of software and design in addition assurance.
Fig. 2 shows the battery monitor system structured flowchart according to an embodiment of the present utility model, comprise: be used to measure battery tension, electric current and or the polylith of the temperature key control unit measuring plate, interface measuring unit and be used for the control survey plate, measure plate for one and connect at least one storage battery, polylith is measured plate and is plugged in the interface measuring unit; Key control unit is connected between the network system of interface measuring unit and charging electric vehicle machine.
By adopting battery monitor system battery charging process is monitored, can in time grasp every state information of storage battery, when abnormality occurs, in time send alarm signal or open circuit, prevent the generation of contingency, realized in charging process effective monitoring storage battery.
Optionally, in above-mentioned battery monitor system, measure plate for every and connect the 9 blocks of measurement plates of pegging graft on 12 storage batterys, the interface measuring unit.
Optionally, in above-mentioned battery monitor system, measure plate comprise following one of at least: voltage sensor, current sensor, temperature sensor so that in time obtain voltage, electric current, the state of temperature information of storage battery in charging process.
Optionally, in above-mentioned battery monitor system, key control unit is connected to CAN (the Controller Area Network of network system, controller local area network) bus, the CAN bus also connects master system, can be transferred to master system to each current and voltage signals that saves storage battery, control by the master system unification.
Optionally, in above-mentioned battery monitor system, key control unit is connected to the interface measuring unit by the RS-485 bus of network system, and like this, key control unit can in time obtain every state information of storage battery reliably.
Optionally, in above-mentioned battery monitor system, key control unit is connected to the interface measuring unit by the RS-485 bus of network system.
Optionally, in above-mentioned battery monitor system, key control unit is connected to power control system, and power control system is realized the switch control to charging process according to every state information of the storage battery that obtains from key control unit.
Fig. 3 shows the structured flowchart according to the key control unit of an embodiment of the present utility model.
Optionally, in above-mentioned battery monitor system, key control unit comprise following one of at least: charger communication module, SOC estimation module, central processing module, expert system module, CAN communication control module.Wherein, the charger communication module is used to receive the data on the RS485 bus, delivers to charger then, and the outer RS485 of the staying interface by display control module is transferred to the ipc monitor system simultaneously; The SOC estimation module is made of the parameter estimation program, according to handling the data that central processing module passes over, carries out analyzing and processing calculating, thereby obtains the dump energy and the power level of storage battery; Central processing module is used to finish the measurement to total current, total voltage, ambient temperature, is responsible for simultaneously controlling between the measurement module; Expert system module is used to accept the data on the inner CAN bus, storage battery is carried out real-time diagnosis, thereby provide the Health Category and the warning message of storage battery, and the result is passed to entire car controller and ipc monitor system; The CAN communication control module is used to receive the data on the CAN bus, sends the data to the ipc monitor system by the CAN bus then, receives the signal that the ipc monitor system sends simultaneously.
Fig. 4 shows the structure chart according to the key control unit of an embodiment of the present utility model.
Optionally, in above-mentioned battery monitor system, key control unit comprises: connect analog to digital converter, memory, keyboard, CAN controller, clock circuit, display, the serial communication circuit of measuring plate; And the processor of connection mode number converter, memory, keyboard, CAN controller, clock circuit, display and serial communication circuit.This is simple in structure general, realizes that cost is lower, realizes easily.
Optionally, the processor of above-mentioned battery monitor system also connects keyboard by iic bus, and this is simple in structure general, realizes easily, and realizes that cost is lower.
Optionally, in above-mentioned battery monitor system, processor is the 80c552 chip, and the 80c552 chip is the product of PHILPS company, and function is strong, the reliability height, and also lower to the requirement of environment for use, be fit to present embodiment.
The battery monitor system that is used for the charging electric vehicle machine of the utility model the foregoing description has the following advantages:
1. system has realized distributed frame, modularization, CAN communication and multi-functional AS.
2. measure and realized high accuracy, total current and total voltage precision are respectively 0.5% and 0.2%, make electric quantity metering more accurate.
3. characteristic lithium battery monomer voltage measuring circuit has reached the 108-126 road, and can extend to more multichannel, and precision is at (0.1-0.2) %.
4. adopt new SOC method of estimation to take into full account various factors, comprise that consistency to the electric weight estimation effect, has added various compensation, improved the precision that electric weight is estimated.
5. realized system's operation onboard, solved that system's 24V power supply is controlled automatically, antistatic interference, anti-motor D C/DC disturb, a series of problems such as anti-high pressure electric leakage, through engineering approaches level and reliability are greatly improved.
The above is a preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (10)
1. a battery monitor system that is used for the charging electric vehicle machine is characterized in that, comprising: be used to measure battery tension, electric current and or the polylith of the temperature key control unit measuring plate, interface measuring unit and be used to control described measurement plate,
A described measurement plate connects at least one described storage battery, and described polylith is measured plate and is plugged in the described interface measuring unit;
Described key control unit is connected between the network system of described interface measuring unit and described charging electric vehicle machine.
2. battery monitor system according to claim 1 is characterized in that, every block of described measurement plate connects the 9 blocks of described measurement plates of pegging graft on 12 described storage batterys, the described interface measuring unit.
3. battery monitor system according to claim 1 is characterized in that, described measurement plate comprise following one of at least: voltage sensor, current sensor, temperature sensor.
4. battery monitor system according to claim 1 is characterized in that, described key control unit is connected to the CAN bus of described network system, and described CAN bus also connects master system.
5. battery monitor system according to claim 1 is characterized in that, described key control unit is connected to described interface measuring unit by the RS-485 bus of described network system.
6. battery monitor system according to claim 1 is characterized in that, described key control unit is connected to the power control system of described charging electric vehicle machine by the RS485 bus of described network system.
7. battery monitor system according to claim 1 is characterized in that, described key control unit comprise following one of at least: charger communication module, SOC estimation module, central processing module, expert system module, CAN communication control module.
8. battery monitor system according to claim 1 is characterized in that, described key control unit comprises:
The analog to digital converter, memory, keyboard, CAN controller, clock circuit, display, the serial communication circuit that connect described measurement plate; And the processor that connects described analog to digital converter, memory, keyboard, CAN controller, clock circuit, display and serial communication circuit.
9. battery monitor system according to claim 8 is characterized in that described processor also connects described keyboard by iic bus.
10. battery monitor system according to claim 8 is characterized in that, described processor is the 80c552 chip.
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| Application Number | Priority Date | Filing Date | Title |
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| CNU2008201241359U CN201345393Y (en) | 2008-11-25 | 2008-11-25 | Battery monitoring system used in electric automobile battery charger |
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| Application Number | Priority Date | Filing Date | Title |
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| CNU2008201241359U CN201345393Y (en) | 2008-11-25 | 2008-11-25 | Battery monitoring system used in electric automobile battery charger |
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| CN201345393Y true CN201345393Y (en) | 2009-11-11 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101964536A (en) * | 2010-08-25 | 2011-02-02 | 上海临空瑞华电器有限公司 | Charger distributed control system of pure electric automobile and method thereof |
| CN102338861A (en) * | 2010-07-29 | 2012-02-01 | 上海汽车集团股份有限公司 | Method and system for evaluating performance of power supply system of automobile |
| CN103329563A (en) * | 2011-01-13 | 2013-09-25 | 罗伯特·博世有限公司 | Battery management unit comprising a plurality of monitoring units |
| CN103499368A (en) * | 2013-09-10 | 2014-01-08 | 福州开发区星云电子自动化有限公司 | Device for measuring voltage and temperature of lithium battery pack |
| CN103792494A (en) * | 2014-01-22 | 2014-05-14 | 浙江精雷电器有限公司 | Power management device of small electric vehicle |
| CN103792491A (en) * | 2014-01-22 | 2014-05-14 | 浙江精雷电器有限公司 | Storage battery state display device |
| CN103795093A (en) * | 2012-10-30 | 2014-05-14 | 北京基业达电气有限公司 | Battery monitoring system of electric vehicle charging station |
| CN103795555A (en) * | 2012-10-30 | 2014-05-14 | 北京基业达电气有限公司 | Control panel system of electric vehicle charging pile |
| CN105259854A (en) * | 2015-11-10 | 2016-01-20 | 德文能源股份有限公司 | An IOT automobile remote control system |
| CN105607539A (en) * | 2016-01-23 | 2016-05-25 | 安徽恒瑞新能源股份有限公司 | System for controlling charging pile |
| CN107037376A (en) * | 2017-05-28 | 2017-08-11 | 贵州电网有限责任公司电力科学研究院 | A kind of batteries charging and discharging currents monitoring system and monitoring method |
| CN108565922A (en) * | 2018-05-08 | 2018-09-21 | 成都拓源仲玛科技有限公司 | A kind of disposable lithium-battery integrated information monitoring system |
-
2008
- 2008-11-25 CN CNU2008201241359U patent/CN201345393Y/en not_active Expired - Lifetime
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338861A (en) * | 2010-07-29 | 2012-02-01 | 上海汽车集团股份有限公司 | Method and system for evaluating performance of power supply system of automobile |
| CN102338861B (en) * | 2010-07-29 | 2014-01-15 | 上海汽车集团股份有限公司 | Method and system for evaluating performance of power supply system of automobile |
| CN101964536B (en) * | 2010-08-25 | 2013-05-29 | 上海临空瑞华电器有限公司 | Charger distributed control system of pure electric automobile and method thereof |
| CN101964536A (en) * | 2010-08-25 | 2011-02-02 | 上海临空瑞华电器有限公司 | Charger distributed control system of pure electric automobile and method thereof |
| CN103329563A (en) * | 2011-01-13 | 2013-09-25 | 罗伯特·博世有限公司 | Battery management unit comprising a plurality of monitoring units |
| CN103329563B (en) * | 2011-01-13 | 2017-02-08 | 罗伯特·博世有限公司 | Battery management unit comprising a plurality of monitoring units |
| CN103795093A (en) * | 2012-10-30 | 2014-05-14 | 北京基业达电气有限公司 | Battery monitoring system of electric vehicle charging station |
| CN103795555A (en) * | 2012-10-30 | 2014-05-14 | 北京基业达电气有限公司 | Control panel system of electric vehicle charging pile |
| CN103499368A (en) * | 2013-09-10 | 2014-01-08 | 福州开发区星云电子自动化有限公司 | Device for measuring voltage and temperature of lithium battery pack |
| CN103499368B (en) * | 2013-09-10 | 2016-03-23 | 福建星云电子股份有限公司 | One carries out voltage and thermometric device to lithium battery group |
| CN103792491A (en) * | 2014-01-22 | 2014-05-14 | 浙江精雷电器有限公司 | Storage battery state display device |
| CN103792494B (en) * | 2014-01-22 | 2017-01-25 | 浙江精雷电器股份有限公司 | Power management device of small electric vehicle |
| CN103792494A (en) * | 2014-01-22 | 2014-05-14 | 浙江精雷电器有限公司 | Power management device of small electric vehicle |
| CN105259854A (en) * | 2015-11-10 | 2016-01-20 | 德文能源股份有限公司 | An IOT automobile remote control system |
| CN105607539A (en) * | 2016-01-23 | 2016-05-25 | 安徽恒瑞新能源股份有限公司 | System for controlling charging pile |
| CN107037376A (en) * | 2017-05-28 | 2017-08-11 | 贵州电网有限责任公司电力科学研究院 | A kind of batteries charging and discharging currents monitoring system and monitoring method |
| CN107037376B (en) * | 2017-05-28 | 2023-06-30 | 贵州电网有限责任公司电力科学研究院 | Storage battery pack charge-discharge current monitoring system and monitoring method |
| CN108565922A (en) * | 2018-05-08 | 2018-09-21 | 成都拓源仲玛科技有限公司 | A kind of disposable lithium-battery integrated information monitoring system |
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