CN103531864A - Battery box heat management system and method for electric automobile - Google Patents
Battery box heat management system and method for electric automobile Download PDFInfo
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- CN103531864A CN103531864A CN201310491450.0A CN201310491450A CN103531864A CN 103531864 A CN103531864 A CN 103531864A CN 201310491450 A CN201310491450 A CN 201310491450A CN 103531864 A CN103531864 A CN 103531864A
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- management system
- battery
- heat
- battery module
- semiconductor chilling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/635—Control systems based on ambient temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6552—Closed pipes transferring heat by thermal conductivity or phase transition, e.g. heat pipes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/657—Means for temperature control structurally associated with the cells by electric or electromagnetic means
- H01M10/6572—Peltier elements or thermoelectric devices
-
- 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
Abstract
The invention discloses a battery box heat management system for an electric automobile. The battery box heat management system comprises a battery management system, a polarity conversion switch, a battery module, semiconductor refrigeration sheets, a heat pipe, heat dissipation fins and temperature sensors, wherein the temperature sensors are attached to the battery module; the heat pipe is connected with the semiconductor refrigeration sheets and the heat dissipation fins; the battery management system is connected with the temperature sensors and is also connected with the polarity conversion switch; the polarity conversion switch is connected with the semiconductor refrigeration sheets; the battery management system controls turn-on and turn-off of the polarity conversion switch and the positive electrode and the negative electrode of the polarity conversion switch according to detected results of the temperature sensors. The invention also discloses a battery box heat management method for the electric automobile. The battery box heat management system can realize cooling and heating of the battery module and is simple in structure.
Description
Technical field
The present invention relates to heat-exchange system, especially a kind of battery case heat management system and method for electric automobile.
background technology
Discharging and recharging of batteries of electric automobile all needs to be in certain temperature range, excess Temperature and too lowly all can affect discharging and recharging of battery, reduces the life-span of battery, reduces the continual mileage of electric automobile, thereby strengthened the cost of electric automobile, hindered the development of electric automobile and popularize; When serious, battery also can be short-circuited, and threatens personnel's personal safety by bus.
Existing electric automobile battery box heat management mode mainly contains air cooling, liquid cooling and employing phase-change material.Adopt the mode of air cooling simple in structure, only need be at the inlet and outlet provided with fan of battery case, thus by the Air Flow of strengthening in battery case, play heat radiation object, but this type of cooling cooling effect when ambient temperature is higher is not good enough; Adopt liquid cooling mode need battery case connect outward heater and refrigerator to cooling circuit in liquid heat and freeze, but this mode is harsh to the sealing requirements of fluid loop, desired structure is complicated, once leak of liquid in loop, easily cause battery short circuit, ride personnel's safety of serious threat.Adopt phase-change material not need extra equipment, simple in structure, but in the situation that automobile works long hours continuously, radiating effect is undesirable, and start automobile when ambient temperature is very low, cannot carry out preheating to battery module.
summary of the invention
The object of this invention is to provide a kind of cooling and heating electric automobile battery box heat management system and using method thereof rapid, simple in structure, made the battery module of electric automobile reach rapidly the temperature range of normal operation.
The battery case heat management system of electric automobile provided by the invention, comprise battery management system 2, polarity reversing switch 3, battery module 6, semiconductor chilling plate 8, heat pipe 9, radiating fin 10 and temperature sensor 11, temperature sensor 11 is affixed on battery module 6, heat pipe 9 connects semiconductor chilling plate 8 and radiating fin 10, battery management system 2 is connected with temperature sensor 11, battery management system 2 is connected with polarity reversing switch 3, polarity reversing switch 3 is connected with semiconductor chilling plate 8, wherein: battery management system 2 is according to the testing result of temperature sensor 11, control the switch of polarity reversing switch 3, and the both positive and negative polarity of polarity reversing switch 3.
Further: described heat management system also comprises conducting strip 7, described conducting strip 7 is arranged between semiconductor chilling plate 8 and battery module 6.
Further: described heat management system also comprises thermal insulation layer 5, described thermal insulation layer 5 separates battery module and radiating fin 10.
Further: described heat management system also comprises thermovent 1, in described thermovent 1, be provided with refrigeration unit is installed, refrigeration unit is wind cooling unit or liquid cooling unit.
Further: described conducting strip 7 is to be made by Heat Conduction Material.
Further: described thermal insulation layer 5 is to be made by heat-barrier material.
The present invention also provides a kind of battery case thermal management algorithm of electric automobile, comprise battery management system 2, polarity reversing switch 3, battery module 6, semiconductor chilling plate 8 and temperature sensor 11, temperature sensor 11 is affixed on battery module 6, wherein: battery management system 2 receives the testing result of temperature sensor 11, according to testing result, control the switch of polarity reversing switch 3, and the both positive and negative polarity of polarity reversing switch 3.
Further: the temperature that temperature sensor 11 detects battery module 6 surpasses the high temperature threshold value T setting
htime, battery management system 2 is controlled polarity reversing switch 3 output end voltages, semiconductor chilling plate 8 is just being connect, now semiconductor chilling plate 8 freezes with one end of conducting strip 7 laminatings, thereby reduce the temperature of battery module 6, semiconductor chilling plate 8 heats with one end of heat pipe 9 laminatings, and the heat of generation passes to radiating fin 10 through heat pipe 9, radiating fin 10 by heat outside thermovent 1 is delivered to Battery case 4.
Further: temperature sensor 11 detects the temperature of battery module 6 lower than the low temperature threshold value T setting
ltime, battery management system 2 is controlled polarity reversing switch 3 output end voltages, make semiconductor chilling plate 8 reversal connections, now semiconductor chilling plate 8 heats with one end of conducting strip 7 laminatings, thereby the temperature of rising battery module 6, semiconductor chilling plate 8 freezes with one end of heat pipe 9 laminatings, through heat pipe 9 and radiating fin 10, carries out heat exchange, and radiating fin 10 carries out heat exchange through thermovent 1 and Battery case 4 external environment conditions.
Further: temperature sensor 11 detects the temperature of battery module 6 in temperature threshold T
0time, battery management system 2 is controlled polarity reversing switch 3 and is disconnected, and semiconductor chilling plate 8 is not worked.
Compared with prior art, this patent both can be realized the cooling to battery module 6, also can realize the heating to battery module 6, simple in structure.Semiconductor chilling plate 8 is middle only every conducting strip 7 with battery module 6, refrigeration and to heat speed fast, the heat transfer performance of heat pipe 9 is good, can meet well the inside and outside heat exchange of Battery case 4, can make battery reach rapidly the temperature range of normal operation, effect is remarkable.
Accompanying drawing explanation
Fig. 1 is the electric automobile battery box heat management system structure schematic diagram described in the embodiment of the present invention one;
Fig. 2 is the control circuit figure of the electric automobile battery box heat management system described in the embodiment of the present invention one;
Fig. 3 is the flow chart of the electric automobile battery box thermal management algorithm described in the embodiment of the present invention two.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Fig. 1 has provided the structural representation of the electric automobile battery box heat management system described in embodiment mono-, electric automobile battery box heat management system comprises thermovent 1, battery management system 2, polarity reversing switch 3, Battery case 4, thermal insulation layer 5, battery module 6, conducting strip 7, semiconductor chilling plate 8, heat pipe 9, radiating fin 10 and temperature sensor 11, thermal insulation layer 5 separates battery module and radiating fin 10, temperature sensor 11 is affixed on battery module 6, conducting strip 7 is between semiconductor chilling plate 8 and battery module 6, heat pipe 9 is flat, one end and semiconductor chilling plate 8 are tightly fitted, the other end is connected with radiating fin 10.
Conducting strip 7 is made by the good material of heat conductivility, and conducting strip 7 is tightly affixed between battery module 6 and semiconductor chilling plate 8, can make battery module 6 temperature even, prevents that local temperature is too high or too low, affects the life-span of battery module.
The interior logical refrigeration unit of thermovent 1, refrigeration unit can be wind cooling unit, can be also liquid cooling unit.In this embodiment, adopt wind cooling unit, at thermovent, 1 place installs radiator fan additional, plays the object with Battery case 4 external environment condition heat exchanges.
The input termination battery module 6 of polarity reversing switch 3, output termination semiconductor chilling plate 8, polarity reversing switch 3 is controlled by battery management system 2.
As shown in Figure 2, the control circuit figure of the electric automobile battery box heat management system described in embodiment mono-, temperature sensor 11 detects the temperature of battery module 6, and testing result is sent to battery management system 2, battery management system 2 is controlled polarity reversing switch 3 and is arranged on the radiator fan of thermovent 1.Polarity reversing switch 3 input termination battery modules 6, output termination semiconductor chilling plate 8.Radiator fan is powered by battery module 6.
According to the temperature range of battery module 6 normal operations, battery management system 2 arranges high temperature threshold value T
h, low temperature threshold value T
land temperature threshold T
0, T
0lower than high temperature threshold value T
hand higher than low temperature threshold value T
l.When the temperature of battery module 6 surpasses T
htime, need to give battery module 6 heat radiations; When the temperature of battery module 6 is lower than T
ltime, need to give battery module 6 heating; 8 work a period of times of semiconductor chilling plate, the temperature of battery module 6 reaches T
0after, stop the heating of battery module 6 or cooling.
As shown in Figure 3, the flow chart of the electric automobile battery box thermal management algorithm described in the embodiment of the present invention two, the temperature that temperature sensor 11 detects battery module 6 surpasses the high temperature threshold value T setting
htime, battery management system 2 is controlled polarity reversing switch 3 output end voltages, semiconductor chilling plate 8 is just being connect, now semiconductor chilling plate 8 freezes with one end of conducting strip 7 laminatings, thereby reduce the temperature of battery module 6, semiconductor chilling plate 8 heats with one end of heat pipe 9 laminatings, and the heat of generation passes to radiating fin 10 through heat pipe 9, radiating fin 10 by heat outside thermovent 1 is delivered to Battery case 4.After work a period of time, the temperature that battery module 6 detected when temperature sensor 11 reaches temperature threshold T
0time, battery management system 2 is controlled polarity reversing switch 3 and is disconnected, and stops semiconductor chilling plate 8 work.
Above-described embodiment both can be realized battery module was lowered the temperature, and also can realize the heating to battery module, simple in structure.In the middle of semiconductor chilling plate and battery, only every conducting strip, freeze and to heat speed fast, can make battery reach rapidly the temperature range of normal operation, effect is remarkable.The heat transfer performance of heat pipe is good, can meet well the inside and outside heat exchange of Battery case 4.The present invention can realize the fast-refrigerating of battery module and heat, and makes battery reach rapidly the temperature range of normal operation.
Above-mentioned various scene is only preferably execution mode of the present invention, not the present invention is done to any pro forma restriction, and protection scope of the present invention is not limited to this.Anyly be familiar with those skilled in the art in the technical scope that the present invention discloses, within making various distortion, supplement or replace and all belonging to protection scope of the present invention.
Claims (10)
1. the battery case heat management system of an electric automobile, comprise battery management system (2), polarity reversing switch (3), battery module (6), semiconductor chilling plate (8), heat pipe (9), radiating fin (10) and temperature sensor (11), temperature sensor (11) is affixed on battery module (6), heat pipe (9) connects semiconductor chilling plate (8) and radiating fin (10), battery management system (2) is connected with temperature sensor (11), battery management system (2) is connected with polarity reversing switch (3), polarity reversing switch (3) is connected with semiconductor chilling plate (8), it is characterized in that: battery management system (2) is according to the testing result of temperature sensor (11), control the switch of polarity reversing switch (3), and the both positive and negative polarity of polarity reversing switch (3).
2. heat management system according to claim 1, is characterized in that: described heat management system also comprises conducting strip (7), and described conducting strip (7) is arranged between semiconductor chilling plate (8) and battery module (6).
3. heat management system according to claim 1, is characterized in that: described heat management system also comprises thermal insulation layer (5), and described thermal insulation layer (5) separates battery module and radiating fin (10).
4. heat management system according to claim 1, is characterized in that: described heat management system also comprises thermovent (1), and in described thermovent (1), be provided with refrigeration unit is installed, refrigeration unit is wind cooling unit or liquid cooling unit.
5. heat management system according to claim 2, is characterized in that: described conducting strip (7) is to be made by Heat Conduction Material.
6. heat management system according to claim 3, is characterized in that: described thermal insulation layer (5) is to be made by heat-barrier material.
7. the battery case thermal management algorithm of an electric automobile, comprise battery management system (2), polarity reversing switch (3), battery module (6), semiconductor chilling plate (8) and temperature sensor (11), temperature sensor (11) is affixed on battery module (6), it is characterized in that: battery management system (2) receives the testing result of temperature sensor (11), according to testing result, control the switch of polarity reversing switch (3), and the both positive and negative polarity of polarity reversing switch (3).
8. thermal management algorithm according to claim 7, is characterized in that: the temperature that temperature sensor (11) detects battery module (6) surpasses the high temperature threshold value T setting
htime, battery management system (2) is controlled polarity reversing switch (3) output end voltage, semiconductor chilling plate (8) is just connect, now semiconductor chilling plate (8) freezes with one end of conducting strip (7) laminating, thereby reduce the temperature of battery module (6), one end of semiconductor chilling plate (8) and heat pipe (9) laminating heats, and the heat of generation passes to radiating fin (10) through heat pipe (9), radiating fin (10) by heat outside thermovent (1) is delivered to Battery case (4).
9. thermal management algorithm according to claim 7, is characterized in that: temperature sensor (11) detects the temperature of battery module (6) lower than the low temperature threshold value T setting
ltime, battery management system (2) is controlled polarity reversing switch (3) output end voltage, make semiconductor chilling plate (8) reversal connection, now semiconductor chilling plate (8) heats with one end of conducting strip (7) laminating, thereby the temperature of rising battery module (6), semiconductor chilling plate (8) freezes with one end of heat pipe (9) laminating, through heat pipe (9) and radiating fin (10), carries out heat exchange, and radiating fin (10) carries out heat exchange through thermovent (1) and battery case external environment condition.
10. thermal management algorithm according to claim 7, is characterized in that: temperature sensor (11) detects the temperature of battery module (6) in temperature threshold T
0time, battery management system (2) is controlled polarity reversing switch (3) and is disconnected, and semiconductor chilling plate (8) is not worked.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310491450.0A CN103531864A (en) | 2013-10-21 | 2013-10-21 | Battery box heat management system and method for electric automobile |
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| CN201310491450.0A CN103531864A (en) | 2013-10-21 | 2013-10-21 | Battery box heat management system and method for electric automobile |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105633484A (en) * | 2014-10-31 | 2016-06-01 | 中华汽车工业股份有限公司 | Battery temperature managing system of electrombile |
| CN106159377A (en) * | 2016-08-26 | 2016-11-23 | 无锡恩吉威新能源有限公司 | A kind of temperature control system for power cell of electric |
| CN106410325A (en) * | 2016-12-02 | 2017-02-15 | 天津市德泰隆科技股份有限公司 | Constant temperature control system of lead-acid storage battery |
| CN106486719A (en) * | 2016-12-07 | 2017-03-08 | 东风商用车有限公司 | A kind of power battery thermal management system based on semiconductor chilling plate |
| CN107302120A (en) * | 2017-06-16 | 2017-10-27 | 陆建海 | A kind of lithium ion battery |
| CN107317065A (en) * | 2017-06-23 | 2017-11-03 | 东风商用车有限公司 | A kind of power battery thermal management system and its control method based on TEC |
| CN109301368A (en) * | 2018-10-18 | 2019-02-01 | 瞿志刚 | New-energy electric vehicle battery integrated thermal management system and control method |
| CN109346637A (en) * | 2018-10-15 | 2019-02-15 | 杭州技师学院 | Fuel-engined vehicle accumulator housing |
| CN109346798A (en) * | 2018-10-09 | 2019-02-15 | 合肥蛮牛动力科技有限公司 | A kind of thermostat in battery pack box |
| CN106444917B (en) * | 2016-09-18 | 2019-05-24 | 北京空间机电研究所 | A kind of temperature regulating device of space flight periodic duty heat source |
| CN110112506A (en) * | 2019-05-21 | 2019-08-09 | 威马智慧出行科技（上海）有限公司 | A kind of temperature control equipment and its control method of battery pack |
| CN110165337A (en) * | 2019-05-30 | 2019-08-23 | 哈尔滨理工大学 | A kind of battery thermal management system and management method based on hybrid power system |
| US10497975B2 (en) | 2015-11-04 | 2019-12-03 | Shenzhen Capchem Technology Co., Ltd. | Lithium ion battery non-aqueous electrolyte and lithium ion battery |
| US10530016B2 (en) | 2015-12-18 | 2020-01-07 | Shenzhen Capchem Technology Co., Ltd. | Electrolyte for lithium-ion battery and lithium-ion battery |
| CN111554851A (en) * | 2020-05-18 | 2020-08-18 | 东莞新能安科技有限公司 | Battery pack and heat dissipation method thereof |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105633484A (en) * | 2014-10-31 | 2016-06-01 | 中华汽车工业股份有限公司 | Battery temperature managing system of electrombile |
| US10497975B2 (en) | 2015-11-04 | 2019-12-03 | Shenzhen Capchem Technology Co., Ltd. | Lithium ion battery non-aqueous electrolyte and lithium ion battery |
| US10530016B2 (en) | 2015-12-18 | 2020-01-07 | Shenzhen Capchem Technology Co., Ltd. | Electrolyte for lithium-ion battery and lithium-ion battery |
| CN106159377A (en) * | 2016-08-26 | 2016-11-23 | 无锡恩吉威新能源有限公司 | A kind of temperature control system for power cell of electric |
| CN106444917B (en) * | 2016-09-18 | 2019-05-24 | 北京空间机电研究所 | A kind of temperature regulating device of space flight periodic duty heat source |
| CN106410325A (en) * | 2016-12-02 | 2017-02-15 | 天津市德泰隆科技股份有限公司 | Constant temperature control system of lead-acid storage battery |
| CN106486719A (en) * | 2016-12-07 | 2017-03-08 | 东风商用车有限公司 | A kind of power battery thermal management system based on semiconductor chilling plate |
| CN107302120A (en) * | 2017-06-16 | 2017-10-27 | 陆建海 | A kind of lithium ion battery |
| CN107317065A (en) * | 2017-06-23 | 2017-11-03 | 东风商用车有限公司 | A kind of power battery thermal management system and its control method based on TEC |
| CN107317065B (en) * | 2017-06-23 | 2023-04-25 | 东风商用车有限公司 | TEC-based power battery thermal management system and control method thereof |
| CN109346798A (en) * | 2018-10-09 | 2019-02-15 | 合肥蛮牛动力科技有限公司 | A kind of thermostat in battery pack box |
| CN109346637A (en) * | 2018-10-15 | 2019-02-15 | 杭州技师学院 | Fuel-engined vehicle accumulator housing |
| CN109346637B (en) * | 2018-10-15 | 2021-10-22 | 杭州技师学院 | Fuel automobile storage battery shell |
| CN109301368A (en) * | 2018-10-18 | 2019-02-01 | 瞿志刚 | New-energy electric vehicle battery integrated thermal management system and control method |
| CN110112506A (en) * | 2019-05-21 | 2019-08-09 | 威马智慧出行科技（上海）有限公司 | A kind of temperature control equipment and its control method of battery pack |
| CN110112506B (en) * | 2019-05-21 | 2022-01-14 | 威马智慧出行科技（上海）有限公司 | Temperature control device of battery pack and control method thereof |
| CN110165337A (en) * | 2019-05-30 | 2019-08-23 | 哈尔滨理工大学 | A kind of battery thermal management system and management method based on hybrid power system |
| CN111554851A (en) * | 2020-05-18 | 2020-08-18 | 东莞新能安科技有限公司 | Battery pack and heat dissipation method thereof |
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Application publication date: 20140122 |