CN203631701U - Battery temperature control device - Google Patents
Battery temperature control device Download PDFInfo
- Publication number
- CN203631701U CN203631701U CN201320882357.8U CN201320882357U CN203631701U CN 203631701 U CN203631701 U CN 203631701U CN 201320882357 U CN201320882357 U CN 201320882357U CN 203631701 U CN203631701 U CN 203631701U
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- heat
- battery
- pump
- attemperating unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000004065 semiconductor Substances 0.000 claims abstract description 22
- 239000005030 aluminium foil Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 229920001821 foam rubber Polymers 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 abstract description 13
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 238000005086 pumping Methods 0.000 abstract 1
- 230000007423 decrease Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003487 electrochemical reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 239000005955 Ferric phosphate Substances 0.000 description 1
- 229910002097 Lithium manganese(III,IV) oxide Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 229940032958 ferric phosphate Drugs 0.000 description 1
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 1
- 229910000399 iron(III) phosphate Inorganic materials 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
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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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- Secondary Cells (AREA)
Abstract
The utility model relates to the technical field of a lithium battery, and in particular relates to a battery temperature control device. The battery temperature control device comprises a battery module and also comprises a first heat exchanger, a second heat exchanger and a pump, wherein the second heat exchanger exchanges heat with the battery module, and the pump is used for pumping a heat-conducting medium; the output end of the first heat exchanger is connected with the input end of the second heat exchanger, the output end of the second heat exchanger is connected with the input end of the pump, the output end of the pump is connected with the input end of the first heat exchanger, and the first heat exchanger, the second heat exchanger and the pump form a loop for circulating the heat-conducting medium; the battery temperature control device also comprises a semiconductor refrigerator exchanging the heat with the first heat exchanger. The temperature of a plurality of single batteries is controlled by adopting the combination of the semiconductor refrigerator and heat pipes, and the semiconductor refrigerator is also powered by the single batteries, so that on the premise of the limit electric quantity of a charging battery, an effect of low power consumption and energy conservation can be realized; moreover, the semiconductor refrigerator and the heat pipes are common devices, so that the purchase is convenient and the cost is low.
Description
Technical field
The utility model relates to technical field of lithium batteries, is specifically related to a kind of battery attemperating unit.
Background technology
Secondary cell product is because know-why is electrochemical reaction, and it is extremely responsive to ambient temperature.In the time that temperature is too low, its chemism reduces, and causing battery available capacity significantly to reduce even cannot discharge and recharge, and irreversible variation occurs for serious also can cause battery electrolyte and both positive and negative polarity structure, has a strong impact on battery life.In the time of excess Temperature, although battery increased activity, danger is also following.Under the condition of high temperature, discharge and recharge and can cause cell internal pressure to raise, there will be severe battery explosion, the security incident such as on fire.
For example, the environment for use temperature of lithium battery is about-20～+ 55 ℃.With regard to single battery core, the capability retention its 0 ℃ time is about 60～70%, and the capability retention-10 ℃ time is about 40～55%, and the capability retention-20 ℃ time is about 20～40%.Lithium battery is under cryogenic conditions, and electrochemical reaction rates declines, and electric current and the voltage of battery output all can decline, and discharge capacity also can decline to a great extent, and such cryogenic property obviously can not meet the instructions for use of electrical source of power.On the contrary, under applied at elevated temperature environment, its discharge capacity also can decline to a great extent.Therefore, the operating ambient temperature of controlling lithium battery is most important, becomes the direction of mainly assaulting fortified position of lithium battery.
During lithium battery uses, meet the load electricity consumption requirement of electric motor car high voltage, large electric current, must be used by multiple cell connection in series-parallel.So not only make internal resistance, capacity and the terminal voltage of battery be difficult to equilibrium, and the increase of the technical difficulty of charge and discharge protecting circuit, cost improves.For example: the pure electric sedan of the 160～260km that travels, DC input voitage is 310V, if use ferric phosphate lithium cell (3.2V, 90Ah) just to need 96 monomer series windings, could meet power reguirements; Vehicle body is the electric motor coach of 12 meters, if being 388V, operating voltage just need 108 monomers (LiMn2O4 of 3.6V or ternary lithium battery) to be concatenated power supply, so in the time that how research controls the operating ambient temperature of lithium battery, the problem that also needs to consider is how to the balanced temperature control of every joint lithium battery, keeps the consistency of multiple cells.
Application number is to adopt semiconductor cooler to carry out temperature control to secondary cell in 201210182342 Chinese patent, in this patent, only propose to adopt the mode of semiconductor cooler to carry out the control of lithium battery temperature, but how to keep the consistency of multiple cells and how to allow coolant and every joint lithium battery carry out the particular problems such as heat transmission unresolved.
Utility model content
The problem existing for prior art, provides a kind of battery case that can carry out to multiple batteries balanced temperature control.The technical solution adopted in the utility model is:
A kind of battery attemperating unit, comprises battery module, also comprises First Heat Exchanger, the second heat exchanger with battery module heat-shift, and takes out the pump of heat-conducting medium; The output of described First Heat Exchanger connects the input of the second heat exchanger, the output of described the second heat exchanger connects the input of pump, described delivery side of pump connects the input of First Heat Exchanger, and described First Heat Exchanger, the second heat exchanger and pump form the loop for heat-conducting medium circulation; Also comprise in addition the semiconductor cooler with described First Heat Exchanger heat-shift.
As preferred implementation of the present utility model, between described delivery side of pump and described First Heat Exchanger input, be also connected with liquid reserve tank.
As preferred implementation of the present utility model, described battery module comprises multiple cells that be arranged in parallel, between every two adjacent cells, is all provided with described second heat exchanger.
As preferred implementation of the present utility model, described the second heat exchanger is arranged in described cell side from the bottom up in 4/5 region.
As preferred implementation of the present utility model, also comprise the evenly point current equalizer to multiple the second heat exchangers of heat-conducting medium that First Heat Exchanger output is flowed out, described current equalizer is connected between described First Heat Exchanger output and the second heat exchanger input.
As preferred implementation of the present utility model, also comprise the junction station that multiple the second heat exchanger outputs are pooled together, described junction station is connected between the output of the second heat exchanger and the input of pump.
As preferred implementation of the present utility model, also comprise the heat-conducting plate that increases heat-conducting area, described heat-conducting plate is arranged between described the second heat exchanger and the side of described cell.
As preferred implementation of the present utility model, described First Heat Exchanger and the second heat exchanger are heat pipe.
As preferred implementation of the present utility model, described battery module is provided with the transducer of its temperature of induction, and described transducer connects controller, and described controller heats or freezes according to the signal controlling semiconductor cooler of transducer.
As preferred implementation of the present utility model, also comprise the casing that plays thermal insulation function in described battery module, First Heat Exchanger, the second heat exchanger and pump are coated on, described box body wall comprises at least four layer materials, is followed successively by from outside to inside steel plate, aluminium foil, foam rubber and aluminium foil.
As preferred implementation of the present utility model, described semiconductor cooler one side is provided with cooling fan.
In sum, owing to having adopted technique scheme, the beneficial effects of the utility model are:
1, the utility model can be controlled the temperature of multiple cells, in temperature control process, the temperature of multiple cells is consistent.
2, the utility model adopts semiconductor cooler and heat pipe combination to control multiple cell temperature, and semiconductor cooler itself is also by multiple cell power supplies, under the prerequisite of the limited electric weight of rechargeable battery, can play low in energy consumption and energy-conservation effect.
3, semiconductor cooler and the heat pipe etc. in the utility model is all common apparatus, with low cost, and buying is convenient.
Accompanying drawing explanation
Fig. 1 is temperature control principle figure of the present utility model
Fig. 2 is schematic perspective view of the present utility model
Fig. 3 is vertical view of the present utility model
Fig. 4 is structural representation of the present utility model
Fig. 5 is adjacent two joint cell broken away view in Fig. 4
Fig. 6 is First Heat Exchanger and semiconductor cooler broken away view
Fig. 7 is the schematic diagram of all parts after fitting together in Fig. 6
Mark in figure: 1-battery module, 101-cell one, 102-cell two, 103-cell n, 201-the first heat pipe exchanger, 202-the second heat pipe exchanger, 3-semiconductor cooler, 4-blower fan, 5-current equalizer, 6-junction station, 7-pump, 8-liquid reserve tank, 9-casing, 10-heat-conducting plate, 11-transducer.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is described further.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Battery attemperating unit schematic diagram as shown in Figure 1, battery module 1 comprises multiple cells, in figure, mark 101,102 and 103 represents that respectively cell one, cell two are to cell n, the utility model comprises battery module 1, also comprise First Heat Exchanger 201, with the second heat exchanger 202 of battery module 1 heat-shift, and take out the pump 7 of heat-conducting medium; The output of described First Heat Exchanger 201 connects the input of the second heat exchanger 202, the output of described the second heat exchanger 202 connects the input of pump 7, the output of described pump 7 connects the input of First Heat Exchanger 201, the loop that described First Heat Exchanger 201, the second heat exchanger 202 and pump 7 form for heat-conducting medium circulation; Also comprise in addition the semiconductor cooler 3 with described First Heat Exchanger 201 heat-shifts.Between the output of described pump 7 and described First Heat Exchanger 201 inputs, be also connected with liquid reserve tank 8.
As shown in Figure 4, described battery module 1 comprises multiple cells that be arranged in parallel, as shown in Figure 5, between every two adjacent cells, be all provided with described second heat exchanger 202, described the second heat exchanger 202 is arranged in described cell side from the bottom up in 4/5 region, also comprise the heat-conducting plate 10 that increases heat-conducting area, described heat-conducting plate 10 is arranged between described the second heat exchanger and the side of described cell.
As shown in Figure 1, the utility model also comprises the evenly point current equalizer 5 to multiple the second heat exchangers 202 of heat-conducting medium that First Heat Exchanger 201 outputs are flowed out, and described current equalizer 5 is connected between described First Heat Exchanger 201 outputs and the second heat exchanger 202 inputs.Also comprise the junction station 6 that multiple the second heat exchanger 202 outputs are pooled together, described junction station 6 is connected between the output of the second heat exchanger 202 and the input of pump 7.
As preferred implementation of the present utility model, described First Heat Exchanger and the second heat exchanger are heat pipe.
As shown in Figure 4, described battery module 1 is provided with the transducer 11 of its temperature of induction, and described transducer 11 connects controller, and described controller heats or freezes according to the signal controlling semiconductor cooler 3 of transducer 11.
As shown in Figure 2, and in conjunction with Fig. 1, the utility model also comprises the casing 9 that plays thermal insulation function in described battery module 1, First Heat Exchanger 201, the second heat exchanger 202 and pump 7 are coated on, as shown in Figure 3, described casing 9 sidewalls comprise four layer materials, are followed successively by from outside to inside steel plate, aluminium foil, foam rubber and aluminium foil.
As shown in Figure 7, described semiconductor cooler 3 one sides are provided with cooling fan 4, and semiconductor cooler 3 one sides are provided with First Heat Exchanger 201, and accompany the heat-conducting plate 10 that increases both heat-conducting areas between semiconductor cooler 3 and First Heat Exchanger 201.Fig. 6 is the structural representation in Fig. 7, First Heat Exchanger 201, heat-conducting plate 10, semiconductor cooler 3 and blower fan being split.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.
Claims (10)
1. a battery attemperating unit, comprises battery module, it is characterized in that, also comprise First Heat Exchanger, with the second heat exchanger of battery module heat-shift, and take out the pump of heat-conducting medium; The output of described First Heat Exchanger connects the input of the second heat exchanger, the output of described the second heat exchanger connects the input of pump, described delivery side of pump connects the input of First Heat Exchanger, and described First Heat Exchanger, the second heat exchanger and pump form the loop for heat-conducting medium circulation; Also comprise in addition the semiconductor cooler with described First Heat Exchanger heat-shift.
2. battery attemperating unit according to claim 1, is characterized in that, between described delivery side of pump and described First Heat Exchanger input, is also connected with liquid reserve tank.
3. battery attemperating unit according to claim 1, is characterized in that, described battery module comprises multiple cells that be arranged in parallel, between every two adjacent cells, is all provided with described second heat exchanger.
4. battery attemperating unit according to claim 3, is characterized in that, described the second heat exchanger is arranged in described cell side from the bottom up in 4/5 region.
5. according to the battery attemperating unit described in claim 3 or 4, it is characterized in that, also comprise the evenly point current equalizer to multiple the second heat exchangers of heat-conducting medium that First Heat Exchanger output is flowed out, described current equalizer is connected between described First Heat Exchanger output and the second heat exchanger input.
6. battery attemperating unit according to claim 5, is characterized in that, also comprises the junction station that multiple the second heat exchanger outputs are pooled together, and described junction station is connected between the output of the second heat exchanger and the input of pump.
7. according to the battery attemperating unit described in claim 3,4 or 6, it is characterized in that, also comprise the heat-conducting plate that increases heat-conducting area, described heat-conducting plate is arranged between described the second heat exchanger and the side of described cell.
8. according to the battery attemperating unit described in claim 1,2,3,4 or 6, it is characterized in that, described First Heat Exchanger and the second heat exchanger are heat pipe.
9. according to the battery attemperating unit described in claim 1,2,3,4 or 6, it is characterized in that, described battery module is provided with the transducer of its temperature of induction, and described transducer connects controller, and described controller heats or freezes according to the signal controlling semiconductor cooler of transducer.
10. according to the battery attemperating unit described in claim 1,2,3,4 or 6, it is characterized in that, also comprise the casing that plays thermal insulation function in described battery module, First Heat Exchanger, the second heat exchanger and pump are coated on, described box body wall comprises at least four layer materials, is followed successively by from outside to inside steel plate, aluminium foil, foam rubber and aluminium foil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320882357.8U CN203631701U (en) | 2013-12-30 | 2013-12-30 | Battery temperature control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320882357.8U CN203631701U (en) | 2013-12-30 | 2013-12-30 | Battery temperature control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203631701U true CN203631701U (en) | 2014-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320882357.8U Expired - Lifetime CN203631701U (en) | 2013-12-30 | 2013-12-30 | Battery temperature control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203631701U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103647118A (en) * | 2013-12-30 | 2014-03-19 | 成都凯迈科技有限公司 | Battery temperature control device |
| 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 |
| WO2018049996A1 (en) * | 2016-09-19 | 2018-03-22 | 刘万辉 | Bicirculating environment temperature control device for electric automobile battery pack |
| WO2023155622A1 (en) * | 2022-02-21 | 2023-08-24 | 宁德时代新能源科技股份有限公司 | Battery and electric device |
-
2013
- 2013-12-30 CN CN201320882357.8U patent/CN203631701U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103647118A (en) * | 2013-12-30 | 2014-03-19 | 成都凯迈科技有限公司 | Battery temperature control device |
| CN103647118B (en) * | 2013-12-30 | 2016-03-30 | 成都凯迈科技有限公司 | Battery temperature control device |
| WO2018049996A1 (en) * | 2016-09-19 | 2018-03-22 | 刘万辉 | Bicirculating environment temperature control device for electric automobile battery pack |
| 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 |
| WO2023155622A1 (en) * | 2022-02-21 | 2023-08-24 | 宁德时代新能源科技股份有限公司 | Battery and electric device |
| CN116724443A (en) * | 2022-02-21 | 2023-09-08 | 宁德时代新能源科技股份有限公司 | Battery and electricity utilization device |
| CN116802897A (en) * | 2022-02-21 | 2023-09-22 | 宁德时代新能源科技股份有限公司 | Battery and electricity utilization device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220216 Address after: 610000 No. 2-13, Nanbei Avenue, Yangma street, Eastern New Area, Chengdu, Sichuan (within the scope of Jianzhou new town) Patentee after: SICHUAN CAMY NEW ENERGY CO.,LTD. Address before: 610500 Xingong Avenue, Xindu Industrial East District, Chengdu, Sichuan Patentee before: CHENGDU K & M METALS Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140604 |