CN104993189B - A kind of heat management structure of lithium battery group liquid cooling - Google Patents
A kind of heat management structure of lithium battery group liquid cooling Download PDFInfo
- Publication number
- CN104993189B CN104993189B CN201510431050.XA CN201510431050A CN104993189B CN 104993189 B CN104993189 B CN 104993189B CN 201510431050 A CN201510431050 A CN 201510431050A CN 104993189 B CN104993189 B CN 104993189B
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- Prior art keywords
- lithium battery
- connecting portion
- main pipeline
- pipe fitting
- pipeline
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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 kind of heat management structures of lithium battery group liquid cooling, belong to lithium battery thermal management technology field.The present invention includes the pipeline frame of pin-connected panel(5)With lithium battery monomer(6)The lithium battery group of composition, in pipeline frame(5)Inside setting fluid passage(11), temperature sensor(2), controller(1), water pump(4)And heating device(3)Between form temperature scaling factor circuit.The present invention can not only make battery pack effectively radiate under the high temperature conditions, effectively be heated to battery under cryogenic, and battery pack is made to be operated in suitable environment temperature, ensure battery pack temperature uniformity, extend battery;Using detachable pipeline frame structure, the quantity of lithium battery monomer can carry out splicing assembling according to the size in actual installation space and the quantity of needs, and assembled process is simple and convenient.
Description
Technical field
The present invention relates to a kind of heat management structures of lithium battery group liquid cooling, belong to lithium battery thermal management technology field.
Background technology
Power battery is new-energy automobile important component, as power supply source, the requirement to working environment
It is harsh.According to the experiment studies have shown that the performance of battery and service life are all the functions of temperature, temperature has important shadow to battery use
It rings.Due to itself chemical reaction limitation, for power battery especially lithium battery when environment temperature is less than 0 DEG C, there are the internal resistances of cell
Excessive, discharge power is relatively low and the problem of can not charging normal;When battery ambient environment temperature is higher than 60 DEG C, in power battery
Portion's chemical reaction accelerates, and can influence battery life, and there are the safety problems such as on fire, explosion.Therefore, to the temperature of power battery
Degree control can not be ignored.
According to the power demand of vehicle, need multiple battery cells being integrated into battery pack.For different vehicles, due to
It is limited by structure and space, the structure of battery pack is different, and the battery cell quantity for constituting battery pack is different.
The heat management structure of existing lithium battery group liquid cooling, most structures use the structure of non-dismountable formula, i.e. battery list
The quantity of body cannot be assembled or be dismantled according to actual needs and can meet the temperature control of battery pack again.
Invention content
The technical problem to be solved by the present invention is to:A kind of heat management structure of lithium battery group liquid cooling, lithium battery monomer are provided
Quantity not only can be assembled or be dismantled according to actual needs, but also can meet battery pack temperature control, to overcome
The deficiencies in the prior art.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of heat management structure of lithium battery group liquid cooling, including controller, temperature sensor, heating device and water pump,
The temperature sensor and controller communication connection, the heating device and water pump are connect with controller respectively, further include pipeline
Frame and cylindrical lithium battery monomer, main pipeline that the pipeline frame is mainly alternatively arranged setting by more and for connecting
The pipe fitting of main pipeline is spliced, and at least two fluid passages are arranged in the pipeline lower portion, and the pipeline frame is wherein
The pipe fitting of two diagonal angles forms inlet and liquid outlet, and the interval region array that two main pipelines are formed is provided with more
A lithium battery monomer, the temperature sensor are distributed among the gap formed between the lithium battery monomer, the inlet
It is connect with water pump, heating device is set between the inlet and water pump.
Preferably, it is provided with heat conduction chuck between each lithium battery monomer and main pipeline.
Preferably, heat conduction chuck side semicircular in shape is recessed, and in facing directly, the heat conduction chuck semicircle is recessed for the other side
Sunken diameter matches with the diameter from battery cell.So that the line way of contact between lithium battery monomer and main pipeline is changed into
Lithium battery monomer is contacted with the face of heat conduction chuck, heat conduction chuck is contacted with main pipeline face again later, enhances heat-conducting effect, favorably
In the adjusting of lithium battery monomer temperature.
Preferably, the main pipeline two sides is provided with the groove for installing the heat conduction chuck, the groove width of the groove
Match with the height of the heat conduction chuck.
Preferably, the quantity of the fluid passage of the pipeline lower portion is two, respectively upper fluid passage and lower liquid
Body channel.
Preferably, the pipe fitting includes two-way pipe fitting and unidirectional pipe fitting, and the unidirectional pipe fitting is arranged described
Other two diagonal angle of pipeline frame.
Preferably, the two-way pipe fitting is mainly by the first joint body and the first joint body upper/lower terminal point
First connecting portion, second connecting portion and the main pipeline interconnecting piece composition not being arranged, the first of first joint body upper end
Interconnecting piece, second connecting portion and main pipeline interconnecting piece are interconnected, the first connecting portion of first joint body lower end, second
Interconnecting piece and main pipeline interconnecting piece are interconnected;Further, the unidirectional pipe fitting is mainly by the second joint body and described
Second connecting portion that second joint body upper/lower terminal is respectively set, main pipeline interconnecting piece composition, on second joint body
The second connecting portion and main pipeline interconnecting piece at end are interconnected, the second connecting portion and main pipeline of second joint body lower end
Interconnecting piece is interconnected;Further, second connecting portion first connecting portion corresponding on another two-way pipe fitting is nested
Cooperation, the main pipeline interconnecting piece fluid passage corresponding on the main pipeline are nested.
Compared with prior art, beneficial effects of the present invention:
1, the present invention uses detachable pipeline frame structure, and the quantity of lithium battery monomer can be according to actual installation sky
Between size and the quantity of needs carry out splicing assembling, integrated level is high, and assembled process is simple and convenient;Temperature sensor, control simultaneously
Temperature scaling factor circuit is formed between device processed, water pump and heating device, and battery pack temperature can be carried out effectively adjusting and controlling
System ensures battery pack temperature uniformity, extends battery;
2, heat conduction chuck is set so that lithium battery monomer is changed into the line way of contact between lithium battery monomer and main pipeline
Contacted with the face of heat conduction chuck, heat conduction chuck is contacted with main pipeline face again later, enhances heat-conducting effect, be conducive to lithium battery list
The adjusting of temperature;
3, multiple fluid pipelines are arranged in pipeline lower portion, and pipeline lower portion flow is flowed at convection current, further increase
Strong heat dissipation effect.
Description of the drawings
Fig. 1 is the structural decomposition diagram of the present invention;
Fig. 2 is the structural schematic diagram of pipeline frame of the present invention;
Fig. 3 is battery cell, heat conduction chuck and main pipeline assembling process schematic diagram of the present invention;
Fig. 4 is the structural schematic diagram of two-way pipe fitting of the present invention;
Fig. 5 is the structural schematic diagram of unidirectional pipe fitting of the present invention;
Fig. 6 is the control principle schematic diagram of the present invention.
Specific implementation mode
Below in conjunction with the accompanying drawings and invention is described further in specific embodiment:
A kind of heat management structure of lithium battery group liquid cooling, including controller 1, temperature sensor 2, heating device 3 and water
Pump 4, the temperature sensor 2 and controller 1 communicate to connect, and the heating device 3 and water pump 4 are connect with controller 1 respectively, also
Including pipeline frame 5 and cylindrical lithium battery monomer 6, the supervisor that the pipeline frame 5 is mainly alternatively arranged setting by more
Road 10 and pipe fitting 20 for connecting main pipeline are spliced, and at least two fluid passages are arranged in 5 inside of the pipeline frame
11, the pipe fitting 20 of 5 two of which diagonal angle of the pipeline frame forms inlet 31 and liquid outlet 32, two main pipelines
The 10 interval region arrays formed are provided with multiple lithium battery monomers 6, and the temperature sensor 2 is distributed in the lithium battery monomer
Among the gap formed between 6, the inlet 31 is connect with water pump 4, setting heating dress between the inlet 31 and water pump 4
Set 3.
As a further improvement on the present invention, it is provided with heat conducting clamp between each lithium battery monomer 6 and main pipeline 10
Set 7.
Further, 7 side semicircular in shape recess of the heat conduction chuck, the other side is in face directly, 7 semicircle of heat conduction chuck
The diameter of shape recess matches with the diameter from battery cell 6.
Further, 10 two sides of the main pipeline is provided with the groove 12 for installing the heat conduction chuck 7, described recessed
The groove width of slot 12 and the height of the heat conduction chuck 7 match.
Preferably, the quantity of the fluid passage 11 inside the main pipeline 10 is two, and respectively upper fluid passage is under
Fluid passage, the pipe fitting 20 include two-way pipe fitting 21 and unidirectional pipe fitting 22, and the unidirectional pipe fitting 22 is arranged in institute
State other two diagonal angle of pipeline frame.
Further, the two-way pipe fitting 21 mainly by the first joint body 23 and first joint body 23,
First connecting portion 24, second connecting portion 25 and the main pipeline interconnecting piece 26 that lower both ends are respectively set form, first connector
First connecting portion 24, second connecting portion 25 and the main pipeline interconnecting piece 26 of 23 upper end of ontology are interconnected, the first connector sheet
First connecting portion 24, second connecting portion 25 and the main pipeline interconnecting piece 26 of 23 lower end of body are interconnected;Further, described unidirectional
The second connecting portion that pipe fitting 22 is mainly respectively set by the second joint body 27 and 27 upper/lower terminal of the second joint body
25, main pipeline interconnecting piece 26 forms, 26 phase of second connecting portion 25 and main pipeline interconnecting piece of 27 upper end of the second joint body
Intercommunicated, the second connecting portion 25 and main pipeline interconnecting piece 26 of 27 lower end of the second joint body are interconnected;Further,
24 nested arrangements of the first connection corresponding on another two-way pipe fitting of the second connecting portion 25, the main pipeline interconnecting piece
26 fluid passages 11 corresponding on the main pipeline are nested.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
The specific implementation of the present invention is confined to these explanations.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to the present invention's
Protection domain.
Claims (3)
1. a kind of heat management structure of lithium battery group liquid cooling, including controller(1), temperature sensor(2), heating device(3)With
And water pump(4), the temperature sensor(2)And controller(1)Communication connection, the heating device(3)And water pump(4)Respectively with
Controller(1)Connection, it is characterised in that:It further include pipeline frame(5)With cylindrical lithium battery monomer(6), the pipeline frame
Frame(5)The main pipeline for being mainly alternatively arranged setting by more(10)With for connecting main pipeline(10)Pipe fitting(20)Splicing and
At the pipeline frame(5)Inside setting at least two fluid passages(11), the pipeline frame(5)Two of which diagonal angle
Pipe fitting(20)Form inlet(31)And liquid outlet(32), two main pipelines(10)The interval region array of formation is provided with
Multiple lithium battery monomers(6), the temperature sensor(2)It is distributed in the lithium battery monomer(6)Between among the gap that is formed,
The inlet(31)With water pump(4)Connection, the inlet(31)With water pump(4)Between heating device is set(3);Each lithium
Battery cell(6)With main pipeline(10 )Between be provided with heat conduction chuck(7);The heat conduction chuck(7)Side semicircular in shape is recessed
It falls into, the other side is in face directly, the heat conduction chuck(7)The diameter of semi-cylindrical canyon with from battery cell(6)Diameter match;Institute
State pipe fitting(20)Including two-way pipe fitting(21)With unidirectional pipe fitting(22), the unidirectional pipe fitting(22)It is arranged in the pipe
Road frame(5)Other two diagonal angle;The two-way pipe fitting(21)Mainly by the first joint body(23)With described first
Joint body(23)The first connecting portion that upper/lower terminal is respectively set(24), second connecting portion(25)And main pipeline interconnecting piece
(26)Composition, first joint body(23)The first connecting portion of upper end(24), second connecting portion(25)It is connected with main pipeline
Portion(26)It is interconnected, first joint body(23)The first connecting portion of lower end(24), second connecting portion(25)And supervisor
Road interconnecting piece(26)It is interconnected;The unidirectional pipe fitting(22)Mainly by the second joint body(27)With the second connector sheet
Body(27)The second connecting portion that upper/lower terminal is respectively set(25), main pipeline interconnecting piece(26)Composition, second joint body
(27)The second connecting portion of upper end(25)With main pipeline interconnecting piece(26)It is interconnected, second joint body(27)Lower end
Second connecting portion(25)With main pipeline interconnecting piece(26)It is interconnected;The second connecting portion(25)With another two-way pipe fitting
(21)Upper corresponding first connecting portion(24)It is nested, the main pipeline interconnecting piece(26)With the main pipeline(10)It is upper corresponding
Fluid passage(11)It is nested.
2. a kind of heat management structure of lithium battery group liquid cooling according to claim 1, it is characterised in that:The main pipeline
(10)Two sides is provided with for installing the heat conduction chuck(7)Groove(12), the groove(12)Groove width and the heat conduction
Chuck(7)Height match.
3. a kind of heat management structure of lithium battery group liquid cooling according to claim 1, it is characterised in that:The pipeline frame
(5)Internal fluid passage(11)Quantity be two.
Priority Applications (1)
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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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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 CN104993189A (en) | 2015-10-21 |
CN104993189B true CN104993189B (en) | 2018-09-18 |
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Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN206379429U (en) * | 2015-12-30 | 2017-08-04 | 昶洧新能源汽车发展有限公司 | The battery pack of electric vehicle |
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 |
CN107681226B (en) * | 2017-09-29 | 2024-04-16 | 苏州正力新能源科技有限公司 | Temperature control component, temperature control pipeline and thermal management system of lithium battery pack |
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 |
EP4191749A1 (en) * | 2020-09-04 | 2023-06-07 | Sunwoda Electric Vehicle Battery Co., Ltd. | Battery pack and automobile having same |
CN116057757A (en) * | 2022-03-02 | 2023-05-02 | 宁德时代新能源科技股份有限公司 | Battery, electric equipment and manufacturing method and manufacturing equipment of battery |
CN114665188B (en) * | 2022-03-30 | 2023-11-21 | 宁德时代新能源科技股份有限公司 | Water cooling plate assembly, water cooling system, battery, box body of battery and power utilization device |
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US8365546B2 (en) * | 2010-07-07 | 2013-02-05 | Panasonic Corporation | Hot water storage type hot water supply system and operation method of the same |
CN103125046A (en) * | 2010-12-20 | 2013-05-29 | 株式会社Lg化学 | Method and system for cooling lithium secondary battery |
EP2608309A1 (en) * | 2011-12-21 | 2013-06-26 | Fortu Intellectual Property AG | Battery module with battery module housing and battery cells |
EP2744034B1 (en) * | 2012-12-07 | 2015-02-18 | Obrist Powertrain GmbH | Heat exchanger assembly |
CN104617351B (en) * | 2015-01-07 | 2017-04-19 | 胡建 | Cylindrical cell cooling system |
CN204793121U (en) * | 2015-07-22 | 2015-11-18 | 贵州大学 | Heat management structure of lithium cell group liquid cooling |
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