CN104993189A - Heat management structure of lithium battery pack liquid cooling - Google Patents
Heat management structure of lithium battery pack liquid cooling Download PDFInfo
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- CN104993189A CN104993189A CN201510431050.XA CN201510431050A CN104993189A CN 104993189 A CN104993189 A CN 104993189A CN 201510431050 A CN201510431050 A CN 201510431050A CN 104993189 A CN104993189 A CN 104993189A
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- connecting portion
- lithium battery
- main pipeline
- joint
- heat management
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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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- 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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a heat management structure of lithium battery pack liquid cooling, and belongs to the technical field of lithium battery heat management. The heat management structure comprises a spliced pipeline framework (5) and a lithium battery pack composed of lithium batteries (6); a liquid channel (11) is arranged in the pipeline framework (5); and a temperature sensor (2), a controller (1), a water pump (4), and a heating device (4) form a temperature enclosed control circuit. The provided structure can effectively dissipate the heat of a battery pack at a high temperature and effectively heat a battery pack at a low temperature to create a proper environment temperature for a battery pack, moreover, the battery pack can be evenly heated, and the service life of batteries is prolonged. The pipeline framework structure is detachable, the number of lithium batteries can be determined according to the actual installation space and requirements, the lithium batteries can be assembled, and the assembly is simple and convenient.
Description
Technical field
The present invention relates to the heat management structure of a kind of lithium battery group liquid cooling, belong to lithium battery thermal management technology field.
Background technology
Electrokinetic cell is new-energy automobile important component part, and as power supply source, its requirement to operational environment is harsh.Show according to experimental study, the serviceability of battery and life-span are all the functions of temperature, and temperature uses battery material impact.Because self chemical reaction limits, when ambient temperature is lower than 0 DEG C, there is the internal resistance of cell excessive in electrokinetic cell particularly lithium battery, the lower and problem that cannot charge normal of discharge power; When battery ambient ambient temperature is higher than 60 DEG C, the reaction of electrokinetic cell internal chemical is accelerated, and can affect battery life again, and there is the safety problems such as on fire, blast.Therefore, control can not be ignored to the temperature of electrokinetic cell.
According to the power demand of vehicle, need multiple battery cell to be integrated into battery pack.For different vehicles, owing to being subject to the restriction of structure and space, the structure of battery pack is different, and the battery cell quantity forming battery pack is different.
The heat management structure of existing lithium battery group liquid cooling, most structure adopts the structure of non-dismountable formula, not only the quantity of battery cell can not carry out according to actual needs assembling or dismantling and but also the temperature that can meet battery pack control.
Summary of the invention
The technical problem to be solved in the present invention is: the heat management structure providing the liquid cooling of a kind of lithium battery group, the quantity of lithium battery monomer both can carry out assembling or dismantling according to actual needs, the temperature that simultaneously can meet again battery pack controls, to overcome the deficiencies in the prior art.
The object of the invention is to be achieved through the following technical solutions:
The heat management structure of a kind of lithium battery group liquid cooling, comprise controller, temperature sensor, heater and water pump, described temperature sensor and controller communication connection, described heater is connected with controller respectively with water pump, also comprise pipeline framework and columniform lithium battery monomer, described pipeline framework is spliced with the pipe joint for being connected main pipeline primarily of the main pipeline that many are spaced setting, described pipeline lower portion arranges at least two fluid passages, the pipe joint at described pipeline framework wherein two diagonal angles place forms inlet and liquid outlet, the interval region array that described two main pipelines are formed is provided with multiple lithium battery monomer, described temperature sensor is distributed among the gap that formed between described lithium battery monomer, described inlet is connected with water pump, between described inlet and water pump, heater is set.
Preferably, heat conduction chuck is provided with between described each lithium battery monomer and main pipeline.
Preferably, described heat conduction chuck side semicircular in shape caves in, and opposite side is in facing directly, and the diameter of described heat conduction chuck semi-cylindrical canyon matches with the diameter from battery cell.Make lithium battery monomer and the linear contact lay mode between main pipeline change into lithium battery monomer contact with the face of heat conduction chuck, afterwards heat conduction chuck contact with main pipeline face again, enhance heat-conducting effect, be conducive to the adjustment of lithium battery monomer temperature.
Preferably, described main pipeline two sides is provided with the groove for installing described heat conduction chuck, and the groove width of described groove and the height of described heat conduction chuck match.
Preferably, the quantity of the fluid passage of described pipeline lower portion is two, is respectively fluid passage and lower fluid passage.
Preferably, described pipe joint comprises two-way pipe joint and uniguide joint, and described uniguide joint is arranged on two other diagonal angle place of described pipeline framework.
Preferably, the first connecting portion, the second connecting portion and the main pipeline connecting portion composition that described two-way pipe joint is arranged respectively primarily of the first joint body and described first joint body upper/lower terminal, first connecting portion of described first joint body upper end, the second connecting portion and main pipeline connecting portion are interconnected, and the first connecting portion of described first joint body lower end, the second connecting portion and main pipeline connecting portion are interconnected; Further, the second connecting portion that described uniguide joint is arranged respectively primarily of the second joint body and described second joint body upper/lower terminal, main pipeline connecting portion form, second connecting portion and the main pipeline connecting portion of described second joint body upper end are interconnected, and the second connecting portion and the main pipeline connecting portion of described second joint body lower end are interconnected; Further, the first connecting portion nested arrangements that described second connecting portion is corresponding on another two-way pipe joint, the fluid passage nested arrangements that described main pipeline connecting portion is corresponding on described main pipeline.
Compared with prior art, beneficial effect of the present invention:
1, the present invention adopts detachable pipeline frame structure, and the quantity of lithium battery monomer can carry out splicing assembling according to the quantity of the size in actual installation space and needs, and integrated level is high, and assembled process is simple and convenient; Simultaneous temperature transducer, controller, formation temperature close loop control circuit between water pump and heater, can carry out effective regulation and control to battery pack temperature, ensures battery pack temperature uniformity, extends battery;
2, heat conduction chuck is set, make lithium battery monomer and the linear contact lay mode between main pipeline change into lithium battery monomer contact with the face of heat conduction chuck, afterwards heat conduction chuck contact with main pipeline face again, enhance heat-conducting effect, be conducive to the adjustment of lithium battery monomer temperature;
3, pipeline lower portion arranges multiple fluid pipeline, and pipeline lower portion current become convection current to flow to, and further enhancing radiating effect.
Accompanying drawing explanation
Fig. 1 is STRUCTURE DECOMPOSITION schematic diagram of the present invention;
Fig. 2 is the structural representation of pipeline framework of the present invention;
Fig. 3 is battery cell of the present invention, heat conduction chuck and main pipeline assembling process schematic diagram;
Fig. 4 is the structural representation of two-way pipe joint of the present invention;
Fig. 5 is the structural representation of uniguide joint of the present invention;
Fig. 6 is control principle schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, invention is described further:
The heat management structure of a kind of lithium battery group liquid cooling, comprise controller 1, temperature sensor 2, heater 3 and water pump 4, described temperature sensor 2 and controller 1 communicate to connect, described heater 3 is connected with controller 1 respectively with water pump 4, also comprise pipeline framework 5 and columniform lithium battery monomer 6, described pipeline framework 5 is spliced with the pipe joint 20 for being connected main pipeline primarily of the main pipeline 10 that many are spaced setting, described pipeline framework 5 inside arranges at least two fluid passages 11, the pipe joint 20 at described pipeline framework 5 wherein two diagonal angles place forms inlet 31 and liquid outlet 32, the interval region array that described two main pipelines 10 are formed is provided with multiple lithium battery monomer 6, described temperature sensor 2 is distributed among the gap of formation between described lithium battery monomer 6, described inlet 31 is connected with water pump 4, between described inlet 31 and water pump 4, heater 3 is set.
As a further improvement on the present invention, heat conduction chuck 7 is provided with between described each lithium battery monomer 6 and main pipeline 10.
Further, described heat conduction chuck 7 side semicircular in shape caves in, and opposite side is in facing directly, and the diameter of described heat conduction chuck 7 semi-cylindrical canyon matches with the diameter from battery cell 6.
Further, described main pipeline 10 two sides is provided with the groove 12 for installing described heat conduction chuck 7, and the groove width of described groove 12 and the height of described heat conduction chuck 7 match.
Preferably, the quantity of the fluid passage 11 of described main pipeline 10 inside is two, be respectively fluid passage and lower fluid passage, described pipe joint 20 comprises two-way pipe joint 21 and uniguide joint 22, and described uniguide joint 22 is arranged on two other diagonal angle place of described pipeline framework.
Further, the first connecting portion 24, second connecting portion 25 that described two-way pipe joint 21 is arranged respectively primarily of the first joint body 23 and described first joint body 23 upper/lower terminal and main pipeline connecting portion 26 form, first connecting portion 24, second connecting portion 25 and the main pipeline connecting portion 26 of described first joint body 23 upper end are interconnected, and the first connecting portion 24, second connecting portion 25 and the main pipeline connecting portion 26 of described first joint body 23 lower end are interconnected; Further, the second connecting portion 25 that described uniguide joint 22 is arranged respectively primarily of the second joint body 27 and described second joint body 27 upper/lower terminal, main pipeline connecting portion 26 form, second connecting portion 25 and the main pipeline connecting portion 26 of described second joint body 27 upper end are interconnected, and the second connecting portion 25 and the main pipeline connecting portion 26 of described second joint body 27 lower end are interconnected; Further, what described second connecting portion 25 was corresponding on another two-way pipe joint first connects 24 nested arrangements, fluid passage 11 nested arrangements that described main pipeline connecting portion 26 is corresponding on described main pipeline.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (7)
1. the heat management structure of lithium battery group liquid cooling, comprise controller (1), temperature sensor (2), heater (3) and water pump (4), described temperature sensor (2) and controller (1) communication connection, described heater (3) is connected with controller (1) respectively with water pump (4), it is characterized in that: also comprise pipeline framework (5) and columniform lithium battery monomer (6), described pipeline framework (5) is spaced the main pipeline (10) of setting primarily of many and is spliced with the pipe joint (20) for being connected main pipeline (10), described pipeline framework (5) inside arranges at least two fluid passages (11), the pipe joint (20) at described pipeline framework (5) wherein two diagonal angles place forms inlet (31) and liquid outlet (32), the interval region array that described two main pipelines (10) are formed is provided with multiple lithium battery monomer (6), described temperature sensor (2) is distributed among the gap of formation between described lithium battery monomer (6), described inlet (31) is connected with water pump (4), heater (3) is set between described inlet (31) and water pump (4).
2. the heat management structure of a kind of lithium battery group according to claim 1 liquid cooling, is characterized in that: be provided with heat conduction chuck (7) between described each lithium battery monomer (6) and main pipeline (70).
3. the heat management structure of a kind of lithium battery group according to claim 2 liquid cooling, it is characterized in that: described heat conduction chuck (7) side semicircular in shape caves in, opposite side is in facing directly, and the diameter of described heat conduction chuck (7) semi-cylindrical canyon matches with the diameter from battery cell (6).
4. the heat management structure of a kind of lithium battery group according to claim 3 liquid cooling, it is characterized in that: described main pipeline (10) two sides is provided with the groove (12) for installing described heat conduction chuck (7), the groove width of described groove (12) and the height of described heat conduction chuck (7) match.
5. the heat management structure of a kind of lithium battery group according to claim 1 liquid cooling, is characterized in that: the quantity of the fluid passage (11) that described pipeline framework (5) is inner is two.
6. the heat management structure of a kind of lithium battery group according to claim 1 liquid cooling, it is characterized in that: described pipe joint (20) comprises two-way pipe joint (21) and uniguide joint (22), described uniguide joint (22) is arranged on two other diagonal angle place of described pipeline framework (5).
7. the heat management structure of a kind of lithium battery group according to claim 6 liquid cooling, is characterized in that:
The first connecting portion (24) that described two-way pipe joint (21) is arranged respectively primarily of the first joint body (23) and described first joint body (23) upper/lower terminal, the second connecting portion (25) and main pipeline connecting portion (26) form, first connecting portion (24) of described first joint body (23) upper end, the second connecting portion (25) and main pipeline connecting portion (26) are interconnected, and first connecting portion (24) of described first joint body (23) lower end, the second connecting portion (25) and main pipeline connecting portion (26) are interconnected;
The second connecting portion (25) that described uniguide joint (22) is arranged respectively primarily of the second joint body (27) and described second joint body (27) upper/lower terminal, main pipeline connecting portion (26) form, second connecting portion (25) and the main pipeline connecting portion (26) of described second joint body (27) upper end are interconnected, and the second connecting portion (25) and the main pipeline connecting portion (26) of described second joint body (27) lower end are interconnected;
Described second connecting portion (25) corresponding first connecting portion (24) nested arrangements upper with another two-way pipe joint (21), described main pipeline connecting portion (25) corresponding fluid passage (11) nested arrangements upper with described main pipeline (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510431050.XA CN104993189B (en) | 2015-07-22 | 2015-07-22 | A kind of heat management structure of lithium battery group liquid cooling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510431050.XA CN104993189B (en) | 2015-07-22 | 2015-07-22 | A kind of heat management structure of lithium battery group liquid cooling |
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| CN104993189A true CN104993189A (en) | 2015-10-21 |
| CN104993189B CN104993189B (en) | 2018-09-18 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106159145A (en) * | 2016-08-18 | 2016-11-23 | 系统电子科技（镇江）有限公司 | A kind of liquid cooling system |
| CN107039710A (en) * | 2015-12-30 | 2017-08-11 | 昶洧新能源汽车发展有限公司 | The battery coolant circuit pad of electric vehicle |
| CN107681226A (en) * | 2017-09-29 | 2018-02-09 | 苏州正力蔚来新能源科技有限公司 | Lithium battery group temperature control unit, temperature control pipeline and heat management system |
| CN109546265A (en) * | 2019-01-14 | 2019-03-29 | 广东合新材料研究院有限公司 | Battery liquid cooling radiator structure and power supply device |
| WO2022048294A1 (en) * | 2020-09-04 | 2022-03-10 | 欣旺达电动汽车电池有限公司 | Battery pack and automobile having same |
| WO2023164843A1 (en) * | 2022-03-02 | 2023-09-07 | 宁德时代新能源科技股份有限公司 | Battery, electric device, and manufacturing method and manufacturing device for battery |
| WO2023185691A1 (en) * | 2022-03-30 | 2023-10-05 | 宁德时代新能源科技股份有限公司 | Cold plate assembly, water cooling system, battery and box body thereof, and electric device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107039710A (en) * | 2015-12-30 | 2017-08-11 | 昶洧新能源汽车发展有限公司 | The battery coolant circuit pad of electric vehicle |
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| CN109546265A (en) * | 2019-01-14 | 2019-03-29 | 广东合新材料研究院有限公司 | Battery liquid cooling radiator structure and power supply device |
| WO2022048294A1 (en) * | 2020-09-04 | 2022-03-10 | 欣旺达电动汽车电池有限公司 | Battery pack and automobile having same |
| WO2023164843A1 (en) * | 2022-03-02 | 2023-09-07 | 宁德时代新能源科技股份有限公司 | Battery, electric device, and manufacturing method and manufacturing device for battery |
| WO2023185691A1 (en) * | 2022-03-30 | 2023-10-05 | 宁德时代新能源科技股份有限公司 | Cold plate assembly, water cooling system, battery and box body thereof, and electric device |
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| CN104993189B (en) | 2018-09-18 |
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