CN201975487U - Automotive battery heat management system - Google Patents
Automotive battery heat management system Download PDFInfo
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- CN201975487U CN201975487U CN2010206711409U CN201020671140U CN201975487U CN 201975487 U CN201975487 U CN 201975487U CN 2010206711409 U CN2010206711409 U CN 2010206711409U CN 201020671140 U CN201020671140 U CN 201020671140U CN 201975487 U CN201975487 U CN 201975487U
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- battery
- temperature
- management system
- thermal management
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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 an automotive battery heat management system which comprises a temperature sensor, a comparison unit, a controller of a processing unit and a temperature regulator, wherein the temperature sensor detects the temperature of a battery; the comparison unit compares the detected temperature with the preset temperature threshold; the controller determines corresponding control signals according to the comparison results of the comparison unit; and the temperature regulator regulates the temperature of the battery. The automotive battery heat management system detects the temperature of the battery through a temperature controller, and regulates the temperature of the battery through the temperature regulator according to the detected temperature of the battery, so as to ensure that the battery works in a proper temperature.
Description
Technical field
The utility model relates to the thermal management technology to the high-power power accumulator of motor vehicles.
Background technology
Electric automobile and strong hybrid electric vehicle all are equipped with powerful power accumulator.For high-power power accumulator, generally all need to design special heat management system, operate in the preferable temperature range to help it.
In the vehicle in the market, power accumulator power is less relatively, and the type of cooling also all only adopts simple air cooling, for example introduces air from passenger compartment and cools off power accumulator etc.But this cooling air mode is except having bigger influence to the passenger compartment heat pump performance, cooling capacity is less besides, only be fit to the minitype motivation storage battery, and the demand of incompatibility high-power drive pond opposite heat tube reason, so be necessary to design a cover heat management system being fit to high-power power accumulator, thereby guarantee that battery works under suitable temperature.
The utility model content
In view of this, the utility model proposes a kind of heat management system, make it provide preferable heat management, thereby guarantee that battery works under suitable temperature to high-power power accumulator.
The automobile battery thermal management system that the utility model proposes comprises the temperature-sensitive sticker of sensing battery temperature; Comprise comparing unit that institute's sensed temperature and predefined temperature threshold are compared and the controller of determining the processing unit of control signal corresponding according to the comparative result of comparing unit; And the thermoregulator of regulating described battery temperature according to described control signal.
Automobile battery thermal management system described in the utility model, preferably, described temperature threshold comprises temperature upper limit and lowest temperature value, and it is that institute's sensed temperature sends the cooling control signal during greater than described temperature upper limit and sends first processing unit of intensification signal to described thermoregulator during less than described lowest temperature value to described thermoregulator and in institute's sensed temperature that described processing unit is included in comparative result.
Automobile battery thermal management system described in the utility model, preferably, described thermoregulator comprises battery heating device and battery cooler.
Automobile battery thermal management system described in the utility model, preferably, described temperature threshold further comprises predefined reference temperature value, and it is that institute's sensed temperature and described predefined reference temperature value send when adapting and stop second processing unit of adjustment signal to described battery heating device or battery cooler that described processing unit also is included in comparative result.
Automobile battery thermal management system described in the utility model, preferably, described battery cooler comprises air-conditioning motor compressor and the battery cooling evaporator that forms first closed-loop path, and described battery cooling evaporator is connected by air-conditioning duct with described air-conditioning motor compressor.
Automobile battery thermal management system described in the utility model, preferably, described battery cooling evaporator receives the cold-producing medium that described air-conditioning motor compressor transmits, and described cold-producing medium absorbs described battery heat on every side by described evaporator.
Automobile battery thermal management system described in the utility model, preferably, described first closed-loop path also comprises the heating power expansion valve that is connected with described battery cooling evaporator.
Automobile battery thermal management system described in the utility model, preferably, described first closed-loop path also comprises first break valve that is connected with described heating power expansion valve.
Automobile battery thermal management system described in the utility model, preferably, described battery heating device comprises second closed-loop path that is formed by engine thermal water loop and cell heater, described cell heater is connected with described engine thermal water loop by fluid pipeline.Described second closed-loop path also comprises second break valve that is connected with cell heater.Described controller is an entire car controller.
Be reduced at battery temperature after the temperature upper limit of lowest temperature value or rising, the temperature of the electrokinetic cell of these motor vehicles effectively regulated, making it be returned to suitable temperature by battery thermal management system described in the utility model.
Description of drawings
Fig. 1 is the structural representation of heat management system described in the utility model; And
Fig. 2 is the structural representation of an example of heat management system described in the utility model.
Embodiment
Below with reference to accompanying drawing, elaborate embodiment of the present utility model.Fig. 1 is the structural representation of heat management system described in the utility model.As shown, battery thermal management system comprises temperature sensing unit 21, thermal management controller 20 and thermoregulator 30.Thermal management controller 20 comprises comparing unit 200 and processing unit 220.The temperature of temperature sensing unit sensing battery 10, and institute's sensed temperature is sent to the comparing unit 200 of controller 20.Comparing unit 200 compares institute's sensed temperature and predefined temperature threshold, and processing unit 220 is then determined control signal corresponding according to comparative result.Described control signal sends thermoregulator 30 to, is come the temperature of regulating cell 10 by thermoregulator 30.Preferably, processing unit 220 comprises first processing unit 2201 and second processing unit 2202 (describing in detail down).
According to embodiments of the invention, this temperature threshold comprises temperature upper limit and lowest temperature value; Wherein, the temperature that temperature upper limit refers in this temperature and the work of battery 10 will be adversely affected owing to temperature is higher on this temperature the time, and the lowest temperature value refers in this temperature and under this temperature the time, the temperature that the operation of battery 10 will be adversely affected owing to temperature is lower.
As mentioned above, comparing unit 200 compares the temperature of the battery 10 of institute's sensing and described temperature upper limit or described lowest temperature value.When comparative result is that institute's sensed temperature is during more than or equal to predefined lowest temperature, then first processing unit 2201 of processing unit 220 sends the intensification signal to thermoregulator 30, arrive predefined lowest temperature for institute's sensed temperature or during less than this lowest temperature, send cooling signal at comparative result to thermoregulator 30.
Preferably, described temperature threshold also comprises predefined reference temperature value, and thermoregulator 30 sends the sensing control signal then when starting battery heating device 33 or battery cooler 32 or afterwards to battery controller 20.Battery controller 20 is in the sensing control signal that receives from described thermoregulator 30, even comparing unit 220 will further be compared with described reference temperature value by the temperature of the battery 10 of 21 sensings of temperature sensing unit, second processing unit 2202 of processing unit 22 is institute's sensed temperature when suitable with described reference temperature at comparative result then, promptly sends to stop the adjustment signal to thermoregulator 30.Need to prove, refer to institute's sensed temperature at this term " quite " and be approximately equal to described reference temperature value, and this reference temperature value generally is the temperature under battery 10 routine works.
As example, in execution mode described in the utility model, described battery is the power train in vehicle application storage battery, described lowest temperature is approximately-10 ℃, described temperature upper limit is for being approximately 45 ℃, predefined reference temperature value then is big value between lowest temperature and temperature upper limit, such as 30 ℃ etc.
Fig. 2 is implemented in the structure chart of an example in the power vehicle for battery thermal management system described in the utility model.In below describing, can be simultaneously with reference to figure 1.Described battery cooler 32 comprises air-conditioning motor compressor 320 and the battery cooling evaporator 321 that forms first closed-loop path, and air-conditioning motor compressor 320 is connected with the air-conditioning duct of battery cooling evaporator 321 by vehicle.Described battery heating device 33 comprises engine thermal water loop 330 and the cell heater 322 that forms second closed-loop path, and connects by liquid line between cell heater 322 and the engine thermal water loop 330.In this example, the thermal management controller 20 that comprises comparing unit and processing unit is preferably and is integrated in the entire car controller.In this example, first closed-loop path can supply the flow of refrigerant in the air-conditioning motor compressor, preferably, and in first closed-loop path, also comprise the heating power expansion valve 325 that is connected with battery cooling evaporator 321, and first break valve 323 that is connected with heating power expansion valve 325; And also be provided with second break valve 327 that is connected with cell heater 322 in second closed-loop path.
As shown in the figure, the temperature of temperature sensing unit 21 sensing batteries 10 (being power accumulator in this example).Institute's sensed temperature is transferred to thermal management controller 20, by the comparing unit in the thermal management controller 20 200 institute's sensed temperature and temperature upper limit and lowest temperature value are compared, processing unit 220 is then in institute's sensed temperature during less than lowest temperature, send the intensification signal to thermoregulator 30, during greater than temperature upper limit, send cooling signal in institute's sensed temperature to thermoregulator 30.Thermoregulator 30 is according to the intensification signal enabling air-conditioning motor compressor 320 that receives.After air-conditioning motor compressor 320 starts, flow of refrigerant is opened and driven in the running to first break valve 323, this cold-producing medium passes through air-conditioning duct, flow to battery cooling evaporator 321 by air-conditioning motor compressor 320, and by the heat around the battery cooling evaporator 321 absorption power accumulators 10, and then the temperature of reduction power accumulator 10; Wherein, the big I of the flow of refrigerator is regulated by heating power expansion valve 325.After starting the air-conditioning motor compressor, thermoregulator 30 also sends the sensing control signal to thermal management controller 20, make its comparing unit 200 also the temperature and the predefined reference temperature value of the battery that senses be compared, and be lowered to predefined reference temperature value when suitable in temperature, transmission stops thermoregulator signal to thermoregulator 30, thereby stops the work of battery cooling evaporator 321; In this case, first break valve 323 is closed, and first closed-loop path is closed and stopped to flow of cooler with first break valve 323, has also stopped the work of battery cooling evaporator 321.
After receiving arrival intensification signal, thermoregulator 30 is an ato unit hot-water return 330.After engine thermal water loop 330 started, second break valve 327 was opened, and flow to cell heater 322 from the hot water of transmitter hot-water return 330, thereby provided heat to battery 10, and then promote the temperature of power accumulator 10; Wherein, the flow of hot water can be regulated by electric water pump 331.Thermoregulator is when the ato unit hot-water return, also send the sensing control signal to thermal management controller 20, make its comparing unit 200 also the temperature and the predefined reference temperature value of the battery that senses be compared, and be lifted to predefined reference temperature value when suitable in temperature, transmission stops thermoregulator signal to thermoregulator, thereby stops the work of cell heater 322; In such cases, second break valve 327 is closed, and therefore second closed-loop path also enters not circulation status, and the work of cell heater 322 also is stopped.
Although in the above-described embodiments, processing unit is specifically divided into first processing unit and second processing unit, and in the practical application, both may be implemented as same processing unit for this.In addition, although in the foregoing description, carry out the temperature comparing function by comparing unit, come to send the adjustment signal by processing unit according to comparative result, but do not illustrate at this point that thermal management controller must be implemented as two unit, in the practical application, comparing unit and processing unit may be implemented as a module.
According to battery thermal management system described in the utility model,, and under the battery temperature condition with higher, reduce its temperature by compounding practice between air-conditioning motor compressor and the battery cooling evaporator by the temperature of senses vehicle battery; Under the lower situation of battery temperature, improve its temperature by the compounding practice of engine thermal water loop and cell heater, can regulate the temperature of power accumulator easily, thereby guarantee the battery operated of vehicle in preferred temperature.
Should be noted that at last; although with reference to above-mentioned embodiment the utility model is had been described in detail; but those of ordinary skill in the art is to be understood that; under the spirit that does not break away from the technical solution of the utility model; still can make amendment or the part technical characterictic is equal to replacement embodiment of the present utility model, it all should be encompassed in the middle of the technical scheme scope that the utility model asks for protection.
Claims (11)
1. an automobile battery thermal management system is characterized in that, described system comprises the temperature-sensitive sticker of sensing battery temperature; Comprise comparing unit that institute's sensed temperature and predefined temperature threshold are compared and the controller of determining the processing unit of control signal corresponding according to the comparative result of comparing unit; And the thermoregulator of regulating described battery temperature according to described control signal.
2. automobile battery thermal management system according to claim 1, it is characterized in that, described temperature threshold comprises temperature upper limit and lowest temperature value, and it is that institute's sensed temperature sends the cooling control signal during greater than described temperature upper limit and sends first processing unit of intensification signal to described thermoregulator during less than described lowest temperature value to described thermoregulator and in institute's sensed temperature that described processing unit is included in comparative result.
3. automobile battery thermal management system according to claim 2 is characterized in that, described thermoregulator comprises battery heating device and battery cooler.
4. automobile battery thermal management system according to claim 3, it is characterized in that, described temperature threshold further comprises predefined reference temperature value, and it is that institute's sensed temperature and described predefined reference temperature value send when adapting and stop second processing unit of adjustment signal to described battery heating device or battery cooler that described processing unit also is included in comparative result.
5. according to claim 3 or 4 described automobile battery thermal management systems, it is characterized in that, described battery cooler comprises air-conditioning motor compressor and the battery cooling evaporator that forms first closed-loop path, and described battery cooling evaporator is connected by air-conditioning duct with described air-conditioning motor compressor.
6. battery thermal management system according to claim 5 is characterized in that, described battery cooling evaporator receives the cold-producing medium that described air-conditioning motor compressor transmits, and described cold-producing medium absorbs described battery heat on every side by described evaporator.
7. battery thermal management system according to claim 6 is characterized in that, described first closed-loop path also comprises the heating power expansion valve that is connected with described battery cooling evaporator.
8. battery thermal management system according to claim 7 is characterized in that, described first closed-loop path also comprises first break valve that is connected with described heating power expansion valve.
9. battery thermal management system according to claim 3, it is characterized in that, described battery heating device comprises second closed-loop path that is formed by engine thermal water loop and cell heater, and described cell heater is connected with described engine thermal water loop by fluid pipeline.
10. battery thermal management system according to claim 9 is characterized in that, described second closed-loop path also comprises second break valve that is connected with cell heater.
11. battery thermal management system according to claim 1 is characterized in that, described controller is an entire car controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206711409U CN201975487U (en) | 2010-12-17 | 2010-12-17 | Automotive battery heat management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206711409U CN201975487U (en) | 2010-12-17 | 2010-12-17 | Automotive battery heat management system |
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| CN201975487U true CN201975487U (en) | 2011-09-14 |
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| CN2010206711409U Expired - Fee Related CN201975487U (en) | 2010-12-17 | 2010-12-17 | Automotive battery heat management system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102569934A (en) * | 2012-01-17 | 2012-07-11 | 重庆长安汽车股份有限公司 | Method and system for cooling power battery |
| CN102709616A (en) * | 2012-05-31 | 2012-10-03 | 杭州万好万家新能源科技有限公司 | Distributed thermal management system for battery modules |
| CN102945988A (en) * | 2012-11-26 | 2013-02-27 | 北京小米科技有限责任公司 | Method and device for controlling battery temperatures |
| CN106129534A (en) * | 2016-07-21 | 2016-11-16 | 厦门金龙旅行车有限公司 | A kind of heating system for electric vehicle and control method thereof |
| CN110196606A (en) * | 2018-02-24 | 2019-09-03 | 北京京东尚科信息技术有限公司 | Unmanned dispensing vehicle temprature control method, device and system |
| CN111016581A (en) * | 2019-12-23 | 2020-04-17 | 宁波吉利汽车研究开发有限公司 | Vehicle thermal management control system and method and vehicle |
-
2010
- 2010-12-17 CN CN2010206711409U patent/CN201975487U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102569934A (en) * | 2012-01-17 | 2012-07-11 | 重庆长安汽车股份有限公司 | Method and system for cooling power battery |
| CN102569934B (en) * | 2012-01-17 | 2014-04-23 | 重庆长安汽车股份有限公司 | Method and system for cooling power battery |
| CN102709616A (en) * | 2012-05-31 | 2012-10-03 | 杭州万好万家新能源科技有限公司 | Distributed thermal management system for battery modules |
| CN102709616B (en) * | 2012-05-31 | 2014-09-17 | 杭州万好万家新能源科技有限公司 | Distributed thermal management system for battery modules |
| CN102945988A (en) * | 2012-11-26 | 2013-02-27 | 北京小米科技有限责任公司 | Method and device for controlling battery temperatures |
| CN102945988B (en) * | 2012-11-26 | 2015-12-23 | 小米科技有限责任公司 | A kind of method and device controlling battery temperature |
| CN106129534A (en) * | 2016-07-21 | 2016-11-16 | 厦门金龙旅行车有限公司 | A kind of heating system for electric vehicle and control method thereof |
| CN110196606A (en) * | 2018-02-24 | 2019-09-03 | 北京京东尚科信息技术有限公司 | Unmanned dispensing vehicle temprature control method, device and system |
| CN111016581A (en) * | 2019-12-23 | 2020-04-17 | 宁波吉利汽车研究开发有限公司 | Vehicle thermal management control system and method and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110914 Termination date: 20191217 |