CN203135508U - Electric vehicle battery management system - Google Patents
Electric vehicle battery management system Download PDFInfo
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- CN203135508U CN203135508U CN 201320113510 CN201320113510U CN203135508U CN 203135508 U CN203135508 U CN 203135508U CN 201320113510 CN201320113510 CN 201320113510 CN 201320113510 U CN201320113510 U CN 201320113510U CN 203135508 U CN203135508 U CN 203135508U
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Abstract
The utility model relates to an electric vehicle battery management system. The electric vehicle battery management system comprises a central processing unit, a multiplexer, a plurality of battery controllers and a plurality of battery groups corresponding to the plurality of battery controllers. The plurality of battery controllers are respectively connected with one corresponding battery group and are connected with the central processing unit through the multiplexer; each battery controller comprises a voltage detecting unit and a temperature detection unit, wherein the voltage detecting unit and the temperature detection unit detect the voltage and the temperature of each single battery in one battery group corresponding to the battery controller; and the central processing unit includes a total current detecting unit and a total voltage detecting unit so as to detect the total current and the total voltage of the plurality of battery groups. The electric vehicle battery management system of the utility model is advantageous in higher safety, greater reliability, and great real-time property and higher efficiency of the management of power batteries.
Description
Technical field
The utility model relates to the electric automobile field, and more particularly the utility model relates to a kind of cell management system of electric automobile.
Background technology
Present frequent generation along with climate warming and exceedingly odious weather, energy-saving and emission-reduction are active demands of current social development, various countries are under the policy of energy-saving and emission-reduction, all research relevant policies guide, each big auto producer is researched and developed unit in order to cater to public demand and the environmental regulation restriction of satisfying government with relevant automobile, various " green " new forms of energy concept car is come out one after another, to meet world trends.At present, automobile industry day by day seriously provides following vehicle at energy shortage, problem of environmental pollution, to substitute traditional fuel vehicle: fuel cell car, hybrid vehicle and electric automobile.Wherein, electric automobile can be realized what zero discharge, zero was polluted, is undoubtedly best choice in the above-mentioned vehicle.
Existing battery management system mainly is core with the single-chip microcomputer, adopt the distributed network control system structure, rely on single-chip microcomputer to handle the various operational factors of electrokinetic cell in real time, battery SOC (being battery charge state) for example, total current, total voltage, monomer battery voltage, temperature in the battery pack, carry out failure diagnosis and warning etc., but, this existing battery management system mainly relies on single-chip microcomputer to carry out signal and handles, the single-chip microcomputer live load is overweight, the real-time of its dynamics of management battery is not enough, system is usually because reaction is untimely and safe and reliable inadequately, and is not ideal enough for the efficiency of management of electrokinetic cell.
The utility model content
In order to solve the above-mentioned technical problem that exists in the prior art, the purpose of this utility model provides a kind of cell management system of electric automobile.Battery management system described in the utility model is more safe and reliable, and the management of electrokinetic cell is had more real-time and efficiency.
In order to solve the problems of the technologies described above and realize above-mentioned purpose, the utility model is achieved through the following technical solutions:
A kind of cell management system of electric automobile, comprise central processing unit, multi-channel gating device, a plurality of battery controller and a plurality of battery pack corresponding with described battery controller, described a plurality of battery controller is connected in a corresponding described battery pack separately, and described a plurality of battery controller is connected in described central processing unit by multi-channel gating device; Described each battery controller comprises voltage detection unit and temperature detecting unit, and described voltage detection unit and temperature detecting unit detect voltage and the temperature of each interior cell of the described battery pack corresponding with described battery controller; Described central processing unit comprises total current detecting unit and total voltage detecting unit, with total current and the total voltage that detects described a plurality of battery pack.
Wherein, described central processing unit also comprises for the wireless sending module that sends information to the remote monitoring platform.
Wherein, described central processing unit also comprises the real time record module for real-time recording information.
Wherein, described central processing unit also comprises for the charge protection module at battery charge time protection battery.
Compared with prior art; battery management system of the present utility model can be measured voltage and the temperature of each battery pack with degree of precision by battery controller; and by multi-channel gating device the data of collecting are sent to central processing unit; central processing unit is measured battery pack with degree of precision and is got total voltage and battery operated electric current; and the battery operated data based predefined fault threshold of battery controller collection carried out data analysis and fault is judged; require and control according to battery protection on this basis to require to carry out analysis-by-synthesis; provide the warning message of battery system; thereby make that described battery management system is more safe and reliable, the management of electric automobile power battery is had more real-time and efficiency.
Description of drawings
Fig. 1 is the structured flowchart of embodiment 1 described cell management system of electric automobile.
Embodiment
Below with reference to specific embodiment and accompanying drawing, the technical solution of the utility model is further elaborated.
Embodiment 1
The described cell management system of electric automobile of present embodiment, comprise central processing unit, multi-channel gating device, a plurality of battery controller and with described battery controller battery pack, described a plurality of battery controller is connected in a corresponding described battery pack separately, and described a plurality of battery controller is connected in described central processing unit by multi-channel gating device; Described each battery controller comprises voltage detection unit and temperature detecting unit, and described voltage detection unit and temperature detecting unit detect voltage and the temperature of each interior cell of the described battery pack corresponding with described battery controller; Described central processing unit comprises total current detecting unit and total voltage detecting unit, with total current and the total voltage that detects described a plurality of battery pack.Described battery management system can be measured voltage and the temperature of each battery pack with degree of precision by battery controller; and by multi-channel gating device the data of collecting are sent to central processing unit; central processing unit is measured battery pack with degree of precision and is got total voltage and battery operated electric current; and the battery operated data based predefined fault threshold of battery controller collection carried out data analysis and fault is judged; require and control according to battery protection on this basis to require to carry out analysis-by-synthesis; provide the warning message of battery system; thereby make that described battery management system is more safe and reliable, the management of electric automobile power battery is had more real-time and efficiency.Under optimal way, the central processing unit of described battery management system can also comprise wireless sending module, and so that above-mentioned information is sent to the rear control and monitor console, this is very easy to the real-time monitoring to the operating state of battery.Described central processing unit can also comprise the real time record module for the real time information of record battery, and the data message with in the record battery operation has made things convenient for analysis and protection to the battery in travelling.Simultaneously, described central processing unit can also comprise the charge protection module, providing the electric weight of needs charging when the battery charge according to SOC value of battery, can the automatic disconnection charge circuit when being full of with complete charge.In addition, this battery management system is simple in structure, thereby reduces production costs and simplified design.
By last analysis as can be seen, battery management system of the present utility model is used for electric automobile, when under the situation of a plurality of cell group serial or parallel connections with increase electric energy and power performance, can more effectively carry out the pipe operation of battery.Described battery controller is managed the battery of corresponding battery pack specifically, and central processing unit is managed all batteries, and obtains data from controller, puts in order and analyzes; Adopt the also structure of streamlining management system greatly of multi-channel gating device in addition.
Though the embodiment part elaborates the technical solution of the utility model by embodiment, but those of ordinary skill in the art is to be understood that and can breaking away from the utility model scope of disclosure, can adopt to be equal to and replace or the enforcement of equivalent transformation form.Therefore, protection range of the present utility model is not limited to the specific embodiment of embodiment part, and the execution mode of short of disengaging utility model essence all has been interpreted as dropping within the protection range of the utility model requirement.
Claims (4)
1. cell management system of electric automobile, comprise central processing unit, multi-channel gating device, a plurality of battery controller and a plurality of battery pack corresponding with described battery controller, it is characterized in that described a plurality of battery controller is connected in a corresponding described battery pack separately, and described a plurality of battery controller is connected in described central processing unit by multi-channel gating device; Described each battery controller comprises voltage detection unit and temperature detecting unit, and described voltage detection unit and temperature detecting unit detect voltage and the temperature of each interior cell of the described battery pack corresponding with described battery controller; Described central processing unit comprises total current detecting unit and total voltage detecting unit, with total current and the total voltage that detects described a plurality of battery pack.
2. cell management system of electric automobile according to claim 1 is characterized in that described central processing unit also comprises for the wireless sending module that sends information to the remote monitoring platform.
3. cell management system of electric automobile according to claim 1 is characterized in that described central processing unit also comprises the real time record module for real-time recording information.
4. cell management system of electric automobile according to claim 1 is characterized in that described central processing unit also comprises the charge protection module for protection battery when the battery charge.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201320113510 CN203135508U (en) | 2013-03-13 | 2013-03-13 | Electric vehicle battery management system |
Applications Claiming Priority (1)
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CN 201320113510 CN203135508U (en) | 2013-03-13 | 2013-03-13 | Electric vehicle battery management system |
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CN203135508U true CN203135508U (en) | 2013-08-14 |
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CN 201320113510 Expired - Fee Related CN203135508U (en) | 2013-03-13 | 2013-03-13 | Electric vehicle battery management system |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106054083A (en) * | 2016-06-27 | 2016-10-26 | 北京新能源汽车股份有限公司 | Safety monitoring method and apparatus of power battery system |
CN109941149A (en) * | 2019-04-12 | 2019-06-28 | 爱驰汽车有限公司 | Multi-source battery pack charging/discharging thereof, device, electronic equipment, storage medium |
-
2013
- 2013-03-13 CN CN 201320113510 patent/CN203135508U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106054083A (en) * | 2016-06-27 | 2016-10-26 | 北京新能源汽车股份有限公司 | Safety monitoring method and apparatus of power battery system |
CN106054083B (en) * | 2016-06-27 | 2019-04-05 | 北京新能源汽车股份有限公司 | A kind of method for safety monitoring and device of electrokinetic cell system |
CN109941149A (en) * | 2019-04-12 | 2019-06-28 | 爱驰汽车有限公司 | Multi-source battery pack charging/discharging thereof, device, electronic equipment, storage medium |
CN109941149B (en) * | 2019-04-12 | 2021-08-20 | 爱驰汽车有限公司 | Multi-source battery pack charging and discharging method and device, electronic equipment and storage medium |
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Legal Events
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20150313 |
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EXPY | Termination of patent right or utility model |