CN202855868U - Battery management system with electrolyte leak detection function - Google Patents
Battery management system with electrolyte leak detection function Download PDFInfo
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- CN202855868U CN202855868U CN2012205424463U CN201220542446U CN202855868U CN 202855868 U CN202855868 U CN 202855868U CN 2012205424463 U CN2012205424463 U CN 2012205424463U CN 201220542446 U CN201220542446 U CN 201220542446U CN 202855868 U CN202855868 U CN 202855868U
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- circuit board
- gas sensor
- battery management
- management system
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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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Abstract
The utility model relates to a battery management system with an electrolyte leak detection function. The battery management system is used for lithium ion battery electrolyte leak detection and lithium ion battery management, and effectively solves the problems that the service life of a lithium ion battery and people and equipment safety are directly influenced by electrolyte leak or volatilized gas. The solved technical scheme is as follows: an upper cover is arranged at an upper opening of a shell, an upper circuit board and a lower circuit board are arranged in the shell through a support, a gas sensor is arranged on one side of the shell between the upper circuit board and the lower circuit board, a reset button which stretches out the shell is arranged on the gas sensor, a button cover is arranged on the reset button, and connected control circuits are arranged on the upper circuit board and the lower circuit board. The battery management system has the characteristics of small size, high accuracy, fast response speed, corrosion resisting performance and the like. The battery management system is simple in structure, novel and unique and convenient to install and use, so that the problems that the life of lithium ion battery and people and equipment safety are influenced by electrolyte leak or volatilized gas are effectively prevented.
Description
Technical field
The utility model relates to electric equipment, particularly a kind of battery management system with electrolyte leakage measuring ability.
Background technology
Day by day serious along with energy scarcity, environmental pollution, the development and use of the new forms of energy of petroleum replacing more come approximately to be paid attention to by national governments.Lithium ion battery has been widely used in the systems such as traffic (hackney vehicle, public transit vehicle etc.), communication, electric power as the important component part of new forms of energy, but lithium ion battery discharge and recharge, vibrate, under the service condition such as extruding or since workmanship hidden danger etc. may cause shorter battery life so that damage, even catch fire, the event such as blast, the lithium-ion battery systems reliability of operation will directly affect the safety of personnel and equipment.Existing lithium ion battery management system can only carry out to the lithium ion battery group management of electric aspect, do not possess the electrolyte leakage measuring ability, and the leakage of electrolyte or the gas that volatilizes are the omen of battery security and life-span and personnel's device security that will directly affect storage battery.Therefore, a kind of battery management system with battery electrolyte leakage detection function of development is significant.
Summary of the invention
For above-mentioned situation, for overcoming the defective of prior art, the purpose of the utility model just provides a kind of battery management system with electrolyte leakage measuring ability, be used for lithium-ion battery electrolytes leak detection and lithium battery management, effectively solve the problem that will directly affect life-span of lithium ion battery and personnel, device security because of electrolyte leakage or the gas that volatilizes.
The technical scheme that the utility model solves, comprise housing, loam cake and circuit board, loam cake places the housing upper oral part, through pillar upper circuit board and lower circuit board (claiming again wiring board) are housed in the housing, side at housing between upper circuit board and the lower circuit board is equipped with gas sensor, the reset button of stretching out housing is arranged on the gas sensor, button cover is housed on the reset button, on upper circuit board and the lower circuit board control circuit that links together is housed.
The utility model mainly detects the leakage of lithium-ion battery electrolytes, and transducer is converted into the signal of telecommunication with chemical signal and passes to master control box after amplifying processing.Transducer has that size is little, precision is high, fast response time, the characteristics such as corrosion-resistant, simple in structure, novel unique, easy to install, can be effective to the management of the electrolyte leakage detection of lithium electricity and lithium battery, effectively prevent the problem because of life-span of electrolyte leakage or the gases affect lithium battery that volatilizes and personnel, device security, innovative detection management, can be directly installed on the leakage that detects electrolyte for Li-ion battery on battery pack inside or the shell, simultaneously batteries be managed.Main application fields is New-energy electric vehicle power-supply system, solar energy accumulation battery system, electric storage battery system, mobile communication base station and electric tool etc.
Description of drawings
Fig. 1 is cross-section structure front view of the present utility model.
Fig. 2 is control circuit figure of the present utility model.
Fig. 3 is gas sensor cross-section structure front view of the present utility model.
Fig. 4 is the cable fixing head front view of gas sensor of the present utility model.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated.
Shown in Fig. 1-4, the utility model comprises housing, loam cake and circuit board, loam cake 2 places housing 1 upper oral part, through pillar 5 upper circuit board 3 and lower circuit board (claiming again wiring board) 4 are housed in the housing, side at housing between upper circuit board and the lower circuit board is equipped with gas sensor 7, the reset button 9 of stretching out housing is arranged on the gas sensor, button cover 8 is housed on the reset button, on upper circuit board and the lower circuit board control circuit that links together is housed.
Between described loam cake and housing top periphery conductive adhesive tape 6 is housed;
Described control circuit is provided by Fig. 2, comprise power circuit, microprocessor, terminal display, the power end of microprocessor and terminal display links to each other with power circuit, audible-visual annunciator is housed on the microprocessor, microprocessor links to each other with the CAN communication bus, voltage detector, current detector, Temperature Detector, gas sensor (being used for gas detects) link to each other with microprocessor, voltage detector, current detector, Temperature Detector, gas sensor power supply termination power circuit, the CAN communication bus links to each other with power circuit with audible-visual annunciator;
Described gas sensor can adopt gas sensor, its structure is to comprise gas sensor, wiring board, shell, end cap, cable fixing head, gas sensor 14 is contained in the sensor housing 10, gas sensor 14 links to each other with wiring board 11 in being contained in sensor housing, the cable fixing head 13 of wiring board on end cap 12 linked to each other with microprocessor by cable, and installing hole 15 and air admission hole 16 are arranged on the cable fixing head 13.
In above-mentioned parts, gas sensor model ME3-HF wherein, CAN communication bus (or claiming CAN receiver) model 82C250, temperature sensor model PT1000, microprocessor model PIC18F4680, U.S. Microchip company produces; Terminal display model DMT80600S 104-01WT, Beijing Dwin Technology Co., Ltd. produces; Power circuit model VRB2412D-30W, Guangzhou Jinshengyang Science and Technology Co., Ltd produces.
Can be found out by above-mentioned, the utility model is a kind of battery management system with electrolyte leakage measuring ability, this system is by power circuit, microcontroller circuit, voltage detection module, current detection module, temperature detecting module, gas detection module, the sound and light alarm module, the CAN bus communication, display terminal 9 parts form, microprocessor is to voltage, electric current, temperature, the signals such as gas carry out the data computing, data communication device after the calculating is crossed the CAN bus and is sent to driver or control centre's display terminal, also can receive the order that driver or control centre's display terminal send and process accordingly, carry out sound and light alarm output according to gas alarm condition and quantity of gas leakage simultaneously.
Power circuit provides stable operating voltage for other module, voltage, electric current, temperature, gas detection module are delivered to microprocessor with the signal that detects and are carried out the operations such as A/D conversion, data calculating, data communication device after microprocessor will calculate is crossed the CAN bus and is sent to driver or control centre's display terminal, also can receive the order that driver or control centre's display terminal send and process accordingly, carry out sound and light alarm output according to gas alarm condition and quantity of gas leakage simultaneously.
Gas sensor filters out impurities first and interference gas, and the available gas volume fraction is changed into the corresponding signal of telecommunication, carries out the data processing through amplifying the treatment and supplied microprocessor, output sound and light alarm signal.
System master box processed is mainly by housing, loam cake, wiring board, pillar, conductive adhesive tape, reset button etc. partly form up and down.Wiring board be responsible for to signal nurse one's health, data operation, CAN communication, conductive adhesive tape plays the effect that sealing and discharging electromagnetic disturb, reset button is for system is carried out initialization, button cover prevents that mistake from resetting.
Gas sensor mainly is comprised of gas sensor, wiring board, shell, end cap, cable fixing head.The lithium-ion battery electrolytes gas leakage enters transducer by air admission hole, chemical reaction occurs or analyze its spectral characteristic etc. through contacting with gas sensor, and the circuit on the ultra-weak electronic signal via line plate that gas sensor produces is given system after amplifying.Cable fixing head can prevent that cable is loosening or fracture.
The utility model is through using and testing, and effect is very good, and the relevant technologies index is as follows:
Working temperature :-25～75 ℃; Supply voltage: 18～36VDC; Total voltage measuring range: 0～500VDC, error: ± 1VDC; Single group voltage measurement scope: 0～32VDC, error: ± 0.5VDC; Temperature measurement range :-25～120 ℃, error: ± 1 ℃; Current measuring range: 0～200A, error: ± 2A; SOC:0～100%, error＜5%; Gasmetry scope: 0～10ppm; Overload: 100ppm; Sensitivity: 0.15 μ A/ppm; Resolution: 0.1ppm; Response time :≤90S.
Can clearly be found out by above-mentioned, the utility model is simple in structure, novel unique, accuracy of detection is high, fast response time, corrosion-resistant, long service life effectively prevents electrolyte leakage, thereby guarantees the problem because of life-span of electrolyte leakage or the gases affect lithium battery that volatilizes and personnel, device security, be the innovation that lithium battery management and electrolyte leakage detect, good economic and social benefit is arranged
Claims (4)
1. battery management system with electrolyte leakage measuring ability, comprise housing, loam cake and circuit board, it is characterized in that, loam cake (2) places housing (1) upper oral part, through pillar (5) upper circuit board (3) and lower circuit board (4) are housed in the housing, side at housing between upper circuit board and the lower circuit board is equipped with gas sensor (7), the reset button (9) of stretching out housing is arranged on the gas sensor, button cover (8) is housed on the reset button, on upper circuit board and the lower circuit board control circuit that links together is housed.
2. the battery management system with electrolyte leakage measuring ability according to claim 1 is characterized in that, conductive adhesive tape (6) is housed between described loam cake and housing top periphery.
3. the battery management system with electrolyte leakage measuring ability according to claim 1, it is characterized in that, described control circuit comprises power circuit, microprocessor, terminal display, the power end of microprocessor and terminal display links to each other with power circuit, audible-visual annunciator is housed on the microprocessor, microprocessor links to each other with the CAN communication bus, voltage detector, current detector, Temperature Detector, gas sensor links to each other with microprocessor, voltage detector, current detector, Temperature Detector, gas sensor power supply termination power circuit, the CAN communication bus links to each other with power circuit with audible-visual annunciator.
4. the battery management system with electrolyte leakage measuring ability according to claim 1, it is characterized in that, described gas sensor comprises gas sensor, wiring board, shell, end cap, cable fixing head, gas sensor (14) is contained in the sensor housing (10), gas sensor (14) wiring board (11) interior with being contained in sensor housing links to each other, the cable fixing head (13) of wiring board on end cap (12) linked to each other with microprocessor by cable, and installing hole (15) and air admission hole (16) are arranged on the cable fixing head (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205424463U CN202855868U (en) | 2012-10-23 | 2012-10-23 | Battery management system with electrolyte leak detection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205424463U CN202855868U (en) | 2012-10-23 | 2012-10-23 | Battery management system with electrolyte leak detection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202855868U true CN202855868U (en) | 2013-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012205424463U Expired - Lifetime CN202855868U (en) | 2012-10-23 | 2012-10-23 | Battery management system with electrolyte leak detection function |
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| Country | Link |
|---|---|
| CN (1) | CN202855868U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102874128A (en) * | 2012-10-23 | 2013-01-16 | 新乡北方车辆仪表有限公司 | Battery management system with electrolyte leakage detection function |
| CN104716394A (en) * | 2013-12-11 | 2015-06-17 | 罗伯特·博世有限公司 | Battery system with indicator |
| CN107959066A (en) * | 2017-11-20 | 2018-04-24 | 北京长城华冠汽车技术开发有限公司 | A kind of power battery box of electric vehicle leakage control system and control method |
-
2012
- 2012-10-23 CN CN2012205424463U patent/CN202855868U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102874128A (en) * | 2012-10-23 | 2013-01-16 | 新乡北方车辆仪表有限公司 | Battery management system with electrolyte leakage detection function |
| CN104716394A (en) * | 2013-12-11 | 2015-06-17 | 罗伯特·博世有限公司 | Battery system with indicator |
| CN107959066A (en) * | 2017-11-20 | 2018-04-24 | 北京长城华冠汽车技术开发有限公司 | A kind of power battery box of electric vehicle leakage control system and control method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130403 |
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| CX01 | Expiry of patent term |