CN202034454U - Thermal management system device for vehicle battery - Google Patents
Thermal management system device for vehicle battery Download PDFInfo
- Publication number
- CN202034454U CN202034454U CN 201120042240 CN201120042240U CN202034454U CN 202034454 U CN202034454 U CN 202034454U CN 201120042240 CN201120042240 CN 201120042240 CN 201120042240 U CN201120042240 U CN 201120042240U CN 202034454 U CN202034454 U CN 202034454U
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- battery
- cooling fluid
- cooling liquid
- power brick
- pump
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Abstract
The utility model provides a thermal management system device for a vehicle battery, comprising a battery pack main inlet, a cooling liquid circulation system, a pump, an inlet for cooling liquid, a heat-insulating sleeve, a battery pack wall, battery units, battery packs, the cooling liquid, a battery pack main outlet, an outlet for the cooling liquid, a temperature sensor, a control unit, a CAN bus, a charger and a power supply. The thermal management system device is characterized in that each battery pack is shaped as a cuboid; the battery pack main inlet is provided with the pump that is connected with the power supply; the battery packs are internally provided with the battery units that are electrically connected with one another; each battery unit consists of one or more battery monomers that are electrically connected with one another; the battery packs are externally provided with the heat-insulating sleeve and is hermetically encapsulated; most part of each battery unit or the whole battery unit is surrounded by the clearance that is filled with the cooling liquid; all clearances filled with the cooling liquid are communicated with one another; one end of the battery packs are provided with the inlet for the cooling liquid; the other end of the battery packs are provided with the outlet for the cooling liquid; the clearance filled with the cooling liquid is internally provided with the temperature sensor; the control unit is formed by connecting the pump, the temperature sensor and the charger through signal wires; the charger is connected with the control unit by the CAN bus; and the battery pack main inlet and the battery pack main outlet are connected with the cooling liquid circulation system of the whole vehicle, thus forming the thermal management system device for vehicle battery.
Description
Technical field
The utility model relates to a kind of heat management system device, particularly a kind of automobile battery thermal management system device.
Background technology
Since China's reform and opening-up, national economy is increased fast, has become the main flow of the present industrial development of China with " scientific and technical innovation, autonomous innovation ".Along with the anxiety of global energy, orthodox car need use a large amount of fuel, and energy crisis is worsened more.The orthodox car discharge tail gas has brought harm also for people's health simultaneously, has also caused the pollution of atmospheric environment.In order to guarantee the sustainable development of society, hybrid vehicle and electric automobile are the important industry directions of China's development at present, it can reduce or eliminate exhaust emissions significantly and cut down the consumption of energy, and causes the great attention of government and automobile production manufacturer, and drops into huge fund research and development and popularization one after another.Battery plays very crucial effect as the device of store energy in hybrid vehicle and electric automobile, the quality of its performance directly influences the performance of car load.The performance of battery performance and the temperature of battery have confidential relation.The temperature height of battery makes the activity of battery increase, and the capacity that energy can obtain more effectively performance and battery utilizes more fully.But battery works long hours and can significantly shorten in the following life-span of hot environment, should avoid this situation.Battery is when low temperature, and activity obviously reduces, and the ohmic internal resistance of battery and polarization resistance increase, and discharge capability descends, and discharge platform step-down and battery are more prone to reach discharge cut-off voltage, make that the actual active volume of battery reduces, the general decrease in efficiency of energy.Especially, when charging at low temperatures, because the poor activity of battery, the embedding ability drop of battery cathode graphite particularly, the lithium ion that anodal reaction is emitted may be under electric negative pole deposition, the formation of hanking lithium skill crystalline substance makes available lithium ion reduce, and causes the short circuit of inside battery in the time of serious.Electrokinetic cell is undertaken forming after the connection in series-parallel by a plurality of battery cells, and the electrokinetic cell monomer all can't operate as normal under the environment of extreme low temperature (less than-30 ℃) and thermal extremes (greater than 55 ℃).In addition, electrokinetic cell is made up of tens or a hundreds of battery cell connection in series-parallel, if wherein some batteries will cause declining to a great extent of whole power battery performance because of aging or other reasons cause the monomer decreased performance; If a certain battery cell lost efficacy, just may cause the entire cell monomer to lose efficacy.Therefore, guarantee the equilibrium of internal temperature of battery, battery performance is brought into normal play.For addressing this problem, R﹠D institution and enterprise technology personnel utilize modern science and technology in constantly research, exploration, though obtained some progress technically, still exist the technical barrier that does not overcome as yet in practice.
Summary of the invention
The purpose of this utility model is to overcome above deficiency, a kind of automobile battery thermal management system device is provided, the battery system device is remained in the good working environment, prolong the life-span of battery system, guarantee the safety of battery system, reduce the use cost of battery system.
The technical scheme that its technical problem that solves the utility model adopts is: comprise battery package main entrance, coolant circulation system, pump, the inlet of cooling fluid, jacket, the power brick wall, battery unit, power brick, cooling fluid, battery package general export, the outlet of cooling fluid, temperature sensor, control unit, the CAN bus, charger, power supply, each battery package is a rectangular shape, battery package main entrance is provided with pump, pump inserts power supply, be provided with the battery unit of mutual electrical connection in the power brick, battery unit is made up of the battery cell of one or more mutual electrical connections, power brick is provided with jacket outward, the power brick sealed package, each battery unit most of or the space that is filled with cooling fluid all surround, all spaces of filling cooling fluid all are interconnected, power brick one end is provided with the inlet of cooling fluid, the power brick other end is provided with the outlet of cooling fluid, be filled with in the space of cooling fluid and be provided with temperature sensor, control unit is by pump, temperature sensor and charger are by the holding wire composition that is connected, charger connects control unit by the CAN bus, the battery package main entrance of such composition and battery package general export insert the coolant circulation system of car load, have formed a kind of automobile battery thermal management system device.
The know-why that the utility model adopts is: designed in conjunction the forming of principle of adopting intellectuality control, free convection circulating technology and the thermaltransmission mode of control unit computer.Battery unit in the power brick all keeps certain distance to each other, not directly contact between the monomer whose shell, battery unit is immersed in the cooling fluid, so not only can make battery unit and cooling fluid that bigger thermocontact area is arranged, guarantee battery unit and cooling fluid heat-shift fast, the temperature of all battery units is consistent, thereby improves battery performance and useful life; For fear of some battery units thermogenetic heat taking place, caused chain reaction thereby be directly delivered to other battery units, made overheated this battery unit that is confined to, had improved the general safety coefficient of power brick.Battery unit is arranged in the power brick, has been full of cooling fluid in the space of battery unit and power brick, is provided with one or more temperature sensors and gathers internal temperature of battery information, and the power brick sealed package prevents that the cooling fluid leakage from causing potential safety hazard.Power brick is provided with the inlet of a cooling fluid and the outlet of cooling fluid, guarantees to realize circulating of cooling fluid.Power brick is provided with jacket outward, and jacket can reduce battery and extraneous exchange heat, realizes the battery heat-insulating property, makes battery need less energy just can maintain suitable temperature at extremely low low temperature or following of high-temperature condition.When battery temperature reached fault value, battery management sent control and warning message, stopped battery charging and discharging being used, and guaranteed the safety of lithium battery.
Battery package main entrance is provided with pump, and pump, temperature sensor are connected by holding wire with charger, forms a control unit.When battery is in low temperature condition, monitor in real time by the temperature sensor of battery management system, obtain the temperature information of each battery cell in the battery package.The low-temperature signal that temperature sensor collects is issued control unit with signal, and after the control unit Computer Processing, by the CAN bus signal transmission, the notice charger carries out low current charge to battery.In the charging process, draw according to Ohm's law, the charging of little electric current, the resistance of battery gradates the energy that loses and is heat, makes the temperature of battery raise gradually.Behind the low current charge that carries out certain hour, after the temperature sensor monitors of battery management system was normal to temperature, after the control unit Computer Processing, the notice charger recovered the charging of normal current pattern.When battery is in high-temperature condition, monitor in real time by the temperature sensor of battery management system, obtain the temperature information of each battery cell in the battery package.The high temperature that temperature sensor collects (being boiling water pump valve value) signal is issued control unit with signal, and after the control unit Computer Processing, battery management system notice pump working is lowered the temperature to battery, reduces to up to temperature and shuts down when cutting out the pump threshold values.The battery management system device is realized the cooling to battery by the stagnant ring control to water pump.
The utility model beneficial effect is: designed in conjunction the forming of principle of adopting intellectuality control, free convection circulating technology and the thermaltransmission mode of control unit computer.This device consumed power is low, and volume is little, does not produce mechanicalness noise, and battery system is remained in the good working environment, prolongs the life-span of battery system, guarantees the safety of battery system, reduces the use cost of battery system.
Description of drawings
Be in conjunction with the accompanying drawings and embodiments the utility model to be further described below:
Fig. 1 is a kind of automobile battery thermal management system apparatus structure schematic diagram
Fig. 2 is a kind of automobile battery thermal management system device fundamental diagram
In the drawings: 1. battery package main entrance, 2. coolant circulation system, 3. pump, 4. inlet, 5. insulating case, 6. power brick wall, 7. battery unit, 8. power brick, 9. cooling fluid, 10. outlet, 12. temperature sensors, 13. control units, 14.CAN bus, 15. chargers, 16. power supplys of battery package general export, 11. cooling fluids of cooling fluid.
Embodiment
At Fig. 1, among Fig. 2: each power brick is a rectangular shape for 8 groups, battery package main entrance 1 is provided with pump 3, pump 3 inserts power supply 16, be provided with the battery unit 7 of mutual electrical connection in the power brick 8, battery unit 7 is made up of the battery cell of one or more mutual electrical connections, the power brick 8 outer jackets 5 that are provided with, power brick 8 sealed package, each battery unit 7 most of or the space that is filled with cooling fluid 9 all surround, all spaces of filling cooling fluid 9 all are interconnected, power brick 8 one ends are provided with the inlet 4 of cooling fluid, power brick 8 other ends are provided with the outlet 11 of cooling fluid, be filled with in the space of cooling fluid 9 and be provided with temperature sensor 12, control unit 13 is by pump 3, temperature sensor 12 and charger 15 are by the holding wire composition that is connected, charger 15 connects control unit 13 by CAN bus 14, and the battery package main entrance 1 of such composition and battery package general export 10 insert cooling fluid 9 circulatory systems of car loads, have formed a kind of automobile battery thermal management system device.
A kind of automobile battery thermal management system device, designed in conjunction the forming of principle of adopting intellectuality control, free convection circulating technology and the thermaltransmission mode of control unit 13 computers.Battery unit 7 in the power brick 8 all keeps certain distance to each other, not directly contact between the monomer whose shell, battery unit 7 is immersed in the cooling fluid 9, so not only can make battery unit 7 and cooling fluid 9 that bigger thermocontact area is arranged, guarantee battery unit 7 and cooling fluid 9 heat-shift fast, the temperature of all battery units 7 is consistent, thereby improves battery performance and useful life; For fear of some battery units 7 thermogenetic heat taking place, caused chain reaction thereby be directly delivered to other battery units 7, made overheated this battery unit 7 that is confined to, had improved the general safety coefficient of power brick 8.Battery unit 7 is arranged in the power brick 8, has been full of cooling fluid 9 in the space of battery unit 7 and power brick 8, is provided with one or more temperature sensors 12 and gathers internal temperature of battery information, and power brick 8 sealed package prevent that cooling fluid 9 leakages from causing potential safety hazard.Power brick 8 is provided with the inlet 4 of a cooling fluid and the outlet 11 of cooling fluid, guarantees to realize circulating of cooling fluid 9.The power brick 8 outer jackets 5 that are provided with, jacket 5 can reduce battery and extraneous exchange heat, realizes the battery heat-insulating property, makes battery need less energy just can maintain suitable temperature at extremely low low temperature or following of high-temperature condition.When battery temperature reached fault value, battery management sent control and warning message, stopped battery charging and discharging being used, and guaranteed the safety of lithium battery.
Battery package main entrance 1 is provided with pump 3, and pump 3, temperature sensor 12 and charger 15 are connected by holding wire, form a control unit 13.When battery is in low temperature condition, monitor in real time by the temperature sensor 12 of battery management system, obtain the temperature information of each battery cell in 8 groups of the power brick.The low-temperature signal that temperature sensor 12 collects is issued control unit 13 with signal, and after control unit 13 Computer Processing, by the transmission of CAN bus 14 signals, 15 pairs of batteries of notice charger carry out low current charge.In the charging process, draw according to Ohm's law, the charging of little electric current, the resistance of battery gradates the energy that loses and is heat, makes the temperature of battery raise gradually.Behind the low current charge that carries out certain hour, when the temperature sensor 12 of battery management system monitor temperature normal after, after control unit 13 Computer Processing, notice charger 15 recovers the charging of normal current patterns.When battery is in high-temperature condition, monitor in real time by the temperature sensor 12 of battery management system, obtain the temperature information of each battery cell in 8 groups of the power brick.The high temperature that temperature sensor 12 collects (being boiling water pump valve value) signal; signal is issued control unit 13, after control unit 13 Computer Processing, 3 work of battery management system notice water pump; battery is lowered the temperature, reduce to up to temperature and shut down when cutting out the pump threshold values.The battery management system device is realized the cooling to battery by the stagnant ring control to water pump 3.
Claims (1)
1. automobile battery thermal management system device, comprise battery package main entrance, coolant circulation system, pump, the inlet of cooling fluid, jacket, the power brick wall, battery unit, power brick, cooling fluid, battery package general export, the outlet of cooling fluid, temperature sensor, control unit, the CAN bus, charger, power supply, it is characterized in that: each battery package is a rectangular shape, battery package main entrance is provided with pump, pump inserts power supply, be provided with the battery unit of mutual electrical connection in the power brick, battery unit is made up of the battery cell of one or more mutual electrical connections, power brick is provided with jacket outward, the power brick sealed package, each battery unit most of or the space that is filled with cooling fluid all surround, all spaces of filling cooling fluid all are interconnected, power brick one end is provided with the inlet of cooling fluid, the power brick other end is provided with the outlet of cooling fluid, be filled with in the space of cooling fluid and be provided with temperature sensor, control unit is by pump, temperature sensor and charger are by the holding wire composition that is connected, charger connects control unit by the CAN bus, the battery package main entrance of such composition and battery package general export insert the coolant circulation system of car load, have formed a kind of automobile battery thermal management system device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120042240 CN202034454U (en) | 2011-02-14 | 2011-02-14 | Thermal management system device for vehicle battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120042240 CN202034454U (en) | 2011-02-14 | 2011-02-14 | Thermal management system device for vehicle battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202034454U true CN202034454U (en) | 2011-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120042240 Expired - Fee Related CN202034454U (en) | 2011-02-14 | 2011-02-14 | Thermal management system device for vehicle battery |
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| CN (1) | CN202034454U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105161792A (en) * | 2015-08-20 | 2015-12-16 | 江苏海四达电源股份有限公司 | Self-circulation uniform temperature control method in battery pack |
| CN108232361A (en) * | 2017-12-28 | 2018-06-29 | 曙光节能技术（北京）股份有限公司 | A kind of cooling system of power battery pack and the cooling system of power battery |
| CN108767364A (en) * | 2018-05-23 | 2018-11-06 | 合肥汇英科技有限公司 | A kind of cooling system of new electric energy source battery |
| CN110931841A (en) * | 2019-06-06 | 2020-03-27 | 崔少华 | Circular lithium ion battery water bath charging and discharging equipment |
-
2011
- 2011-02-14 CN CN 201120042240 patent/CN202034454U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105161792A (en) * | 2015-08-20 | 2015-12-16 | 江苏海四达电源股份有限公司 | Self-circulation uniform temperature control method in battery pack |
| CN108232361A (en) * | 2017-12-28 | 2018-06-29 | 曙光节能技术（北京）股份有限公司 | A kind of cooling system of power battery pack and the cooling system of power battery |
| CN108232361B (en) * | 2017-12-28 | 2020-07-21 | 曙光节能技术（北京）股份有限公司 | Heat dissipation system of power battery pack and heat dissipation system of power battery |
| CN108767364A (en) * | 2018-05-23 | 2018-11-06 | 合肥汇英科技有限公司 | A kind of cooling system of new electric energy source battery |
| CN110931841A (en) * | 2019-06-06 | 2020-03-27 | 崔少华 | Circular lithium ion battery water bath charging and discharging equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Thermal management system device for vehicle battery Effective date of registration: 20120528 Granted publication date: 20111109 Pledgee: China Minsheng Banking Corp Nanjing branch Pledgor: Yancheng Zhongwei Passenger Coach Co., Ltd. Registration number: 2012990000241 |
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| PP01 | Preservation of patent right |
Effective date of registration: 20120926 Granted publication date: 20111109 |
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| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20140326 Granted publication date: 20111109 |
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| PP01 | Preservation of patent right |
Effective date of registration: 20140326 Granted publication date: 20111109 |
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| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20150326 Granted publication date: 20111109 |
|
| PP01 | Preservation of patent right |
Effective date of registration: 20150326 Granted publication date: 20111109 |
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| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20160326 Granted publication date: 20111109 |
|
| PP01 | Preservation of patent right |
Effective date of registration: 20160326 Granted publication date: 20111109 |
|
| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20160926 Granted publication date: 20111109 |
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| RINS | Preservation of patent right or utility model and its discharge | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111109 Termination date: 20130214 |
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| CF01 | Termination of patent right due to non-payment of annual fee |