CN109755450A - A kind of new-energy automobile power battery group - Google Patents

A kind of new-energy automobile power battery group Download PDF

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Publication number
CN109755450A
CN109755450A CN201910028563.4A CN201910028563A CN109755450A CN 109755450 A CN109755450 A CN 109755450A CN 201910028563 A CN201910028563 A CN 201910028563A CN 109755450 A CN109755450 A CN 109755450A
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CN
China
Prior art keywords
shell
air
heat exchanger
exchanger tube
flow heat
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Pending
Application number
CN201910028563.4A
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Chinese (zh)
Inventor
满毅
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Nanjing Institute of Industry Technology
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Nanjing Institute of Industry Technology
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Priority to CN201910028563.4A priority Critical patent/CN109755450A/en
Publication of CN109755450A publication Critical patent/CN109755450A/en
Pending legal-status Critical Current

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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Abstract

The present invention relates to automobile batteries technical fields.It is designed to provide a kind of new-energy automobile power battery group of good heat dissipation effect.The technical scheme adopted by the invention is that: a kind of new-energy automobile power battery group, including shell and battery unit;The confluence positioning plate being made of an electrically conducting material is respectively arranged on the leading flank of the shell and the inner wall of trailing flank, several battery units are disposed in matrix form between the confluence positioning plate, the anode and cathode of the battery unit are contacted with confluence positioning plate respectively;The surface of the shell is provided with pole, and the confluence positioning plate is connected by lead-out wire with pole;Air-flow heat exchanger tube is provided between four adjacent battery units, the air-flow heat exchanger tube extends along the front-rear direction of shell.The present invention can efficiently radiate to the inside of battery pack, it is ensured that battery unit works under stable operating condition always.

Description

A kind of new-energy automobile power battery group
Technical field
The present invention relates to automobile batteries technical fields, are specifically related to a kind of new-energy automobile power battery group.
Background technique
With the continuous development of science and technology and the trend of rapid growth is presented in progress, the quantity of electric car.Currently, electric The energy storage device that electrical automobile uses is mainly or using lithium ion battery, but lithium ion battery reaches in inside battery reaction rate When some critical point, the heat that inside battery reaction generates is more than that the heat that can be distributed reacts so as to cause inside battery Rate speeds and generates heat increase, and thermal runaway occurs for battery.In thermal runaway, amount of heat is quickly released, and is made entire Battery cell temperature be increased to 900 DEG C it is even higher.If batteries of electric automobile group cannot get timely ventilation and heat at high temperature, It will will lead to that battery pack system temperature is excessively high or temperature distribution is non-uniform, will finally reduce battery charging and discharging cycle efficieny, and influence The power and energy of battery play, and also will lead to thermal runaway when serious, influence the safety and reliability of battery.
Air-cooled heat dissipation is that Li-ion batteries piles radiate mainly by the way of, by the flowing of air, by battery list The heat that body distributes is taken away, to guarantee the stability of battery pack.But existing battery pack wind-cooling heat dissipating is concentrated mainly on to electricity The heat dissipation of pond group periphery, heat dissipation concentrate on battery surface, the battery pack that can not go directly deep, and heat dissipation performance is poor;If to battery Group is internal to be passed through distinguished and admirable, and is easily entrained impurity and water, is caused battery failure.
Summary of the invention
The purpose of the present invention is to provide a kind of new-energy automobile power battery groups of good heat dissipation effect.
For achieving the above object, the technical scheme adopted by the invention is that: a kind of new-energy automobile power battery group, Including shell and battery unit;One is respectively arranged on the leading flank of the shell and the inner wall of trailing flank by conductive material system At confluence positioning plate, be disposed with several battery units in matrix form between the confluence positioning plate, the battery unit is just Pole and cathode are contacted with confluence positioning plate respectively;The surface of the shell is provided with pole, and the confluence positioning plate passes through extraction Line is connected with pole;
Air-flow heat exchanger tube is provided between four adjacent battery units, the air-flow heat exchanger tube is along the front and back of shell Direction extends;Several pores matched with air-flow heat exchanger tube, the pipe are provided on the leading flank of the shell and trailing flank Hole and air-flow heat exchanger tube correspond;The both ends of the air-flow heat exchanger tube are pierced by shell by pore respectively and are in communication with the outside, gas Stream heat exchanger tube both ends, which are located on one section outside shell of circumferential surface, is provided with external screw thread, and is fitted with locking nut;The air-flow changes Heat pipe is tight by the locking nut and shell band at both ends.
Preferably, in the corresponding housing outer surface in the pore outer end, the protrusion of a ring shape is provided with around pore;It is described The rubber seal in back taper is arranged with outside air-flow heat exchanger tube, the inner surface of the protrusion is provided with to match with rubber seal The annular groove of conjunction, the rubber seal are pushed against in annular groove by locking nut.
Preferably, the shell is made of front housing and rear shell, and the front housing and the opposite edge of rear shell are provided with a ring It is folded with adjustment gasket between the connection side of the connection side of shape, front housing and rear shell, and is locked by stud.
Preferably, the number and shape that the one side of confluence positioning plate towards the battery unit corresponds to battery unit are provided with The both ends of several positioning tubes, the battery unit are fastened in positioning tube.
Preferably, the positioning tube is rounded, is made of four cylinder plates around the equally distributed arc of battery unit.
Preferably, the edge of the confluence positioning plate two sides is corresponding constitutes buffering towards the leading flank of shell and trailing flank bending Portion, and connect by buffer part with leading flank and trailing flank;Pad is equipped with insulation rubber mat between the buffer part and shell.
Preferably, the shell rear is provided with closed plate, several towards being provided on one side for shell in the closed plate The plug matched with air-flow heat exchanger tube, the plug and air-flow heat exchanger tube correspond;The closed plate can be in driving group Close to or far from shell under the driving of part.
Preferably, the closed plate is in netted.
Preferably, the confluence positioning plate is copper sheet.
Preferably, the air-flow heat exchanger tube is ceramic tube or aluminium-alloy pipe;The shell is made of highstrenghtpiston.
Beneficial effects of the present invention embody a concentrated reflection of: can efficiently radiate to the inside of battery pack, it is ensured that battery Unit works under stable operating condition always.Specifically, the present invention in use, due to walking for air-flow heat exchanger tube It is mutually complied with to the direction of advance with automobile, air-flow can be stablized, smoothly enter in air-flow heat exchanger tube, and due to air-flow heat exchanger tube Between battery unit, therefore the external air flow flowed through from air-flow heat exchanger tube can be quick by the heat of internal battery pack Discharge, makes battery pack maintain the stabilization that ensure that its operating condition at a suitable temperature always.Meanwhile air-flow heat exchanger tube can also rise To the effect for reinforcing shell impact strength, guarantee that battery pack is unlikely to damage when colliding generation.In addition, due to the present invention Outside air do not contacted directly with battery unit, can effectively prevent that battery unit is contaminated, damage.
Detailed description of the invention
Fig. 1 is the top view under normal operating condition of the present invention;
Fig. 2 is the schematic diagram of internal structure of structure shown in Fig. 1;
Fig. 3 is the A-A direction view of structure shown in Fig. 2;
Fig. 4 is the portion B enlarged drawing in Fig. 2.
Specific embodiment
A kind of new-energy automobile power battery group, is mounted on electric car, mentions for electric car in conjunction with shown in Fig. 1-4 For driving dynamics.The present invention includes shell and is mounted on the intracorporal battery unit 2 of shell, shell be made of panel beating plate or directly by Highstrenghtpiston is made, and the latter's intensity is good, light weight.One battery unit 2 can be exactly a single battery, a battery list Member 2 is also possible to the small entirety that multiple series-connected cells are constituted.It is respectively set on the leading flank of the shell and the inner wall of trailing flank There is the confluence positioning plate 1 being made of an electrically conducting material, such as: copper sheet, copper alloy plate, aluminium alloy plate, the confluence positioning plate 1 Between in matrix form be disposed with several battery units 2, the anode and cathode of the battery unit 2 connect with the positioning plate 1 that converges respectively Touching.Make to form parallel connection between battery unit 2 by the positioning plate 1 that converges, the surface of the shell is provided with pole 3, the confluence Positioning plate 1 is connected by lead-out wire and pole 3, and lead-out wire, which is pierced by position, should be noted that sealing, pole for with electronic connection, It is generally exactly the motor of automobile.
The present invention it is maximum the difference is that, be provided with air-flow heat exchanger tube between the battery unit 2 of adjacent four 4, air-flow heat exchanger tube 4 is used to carry out heat exchange with the external world, is usually made of the more excellent material of heating conduction, such as: it is described Air-flow heat exchanger tube 4 is thermal conductive ceramic pipe or aluminium-alloy pipe etc..The air-flow heat exchanger tube 4 extends along the front-rear direction of shell, also It is the front-rear direction for saying generally responsive motor, as shown in fig. 1, top, parking stall of the headstock of the automobile in Fig. 1 are being schemed Lower section in 1.Several pores 5 matched with air-flow heat exchanger tube 4 are provided on the leading flank of the shell and trailing flank, it is described Pore 5 and air-flow heat exchanger tube 4 correspond.The both ends of the air-flow heat exchanger tube 4 are pierced by shell by pore 5 respectively and connect with the external world Logical, 4 both ends of air-flow heat exchanger tube, which are located on one section outside shell of circumferential surface, is provided with external screw thread, and is fitted with locking nut 6.It is described Air-flow heat exchanger tube 4 is tight by the locking nut 6 and shell band at both ends.
The present invention in use, since the trend of air-flow heat exchanger tube 4 and the direction of advance of automobile are mutually complied with, air-flow energy It is enough to stablize, smoothly enter in air-flow heat exchanger tube 4, and since air-flow heat exchanger tube 4 is between battery unit 2, from air-flow The heat of internal battery pack quickly can be discharged for the external air flow flowed through in heat exchanger tube 4, maintain battery pack always suitable At a temperature of suitable, the stabilization of its operating condition ensure that.Meanwhile air-flow heat exchanger tube 4 can also play the work for reinforcing shell impact strength With, guarantee collide occur when, battery pack is unlikely to damage.In addition, since outside air of the invention is straight not with battery unit 2 Contact can effectively prevent battery unit 2 to be contaminated, damage.
In order to further increase leakproofness of the air-flow heat exchanger tube 4 at pore 5, the better way combination Fig. 2 and 4 of the present invention It is shown, in the corresponding housing outer surface in 5 outer end of pore, the protrusion 7 of a ring shape is provided with around pore 5.The air-flow changes The rubber seal 8 in back taper is arranged with outside heat pipe 4, raised 7 inner surface is provided with to be matched with rubber seal 8 Annular groove, the rubber seal 8 is pushed against in annular groove by locking nut 6, in this way after, not only easily facilitate and tear open It unloads and installs, while locking nut 6 applies an extruding force to rubber seal 8, so that deformation occurs for rubber seal 8, tightly Tight is attached on the annular groove wall of protrusion 7, forms reliable sealing.And rubber seal 8 also can apply one to locking nut 6 A reaction force keeps the tightness of locking nut 6 more preferable, prevents it from loosening while the car is driving.
In addition, in order to easily facilitate the processing of shell itself and battery unit 2 in the intracorporal assembly of shell, institute of the present invention It states shell to be made of front housing 9 and rear shell 10, the front housing 9 and the opposite edge of rear shell 10 are provided with the connection side of a ring shape 11, it is folded with adjustment gasket 12 between front housing 9 and the connection side 11 of rear shell 10, and lock by stud 13, there is pole Good sealing effect.Meanwhile the adjustment gasket 12 by replacing different-thickness can adapt to the battery unit 2 of different length, With wider adaptability.
Stability of the present invention in order to ensure battery unit 2 between confluence positioning plate 1,1 direction of confluence positioning plate The number and shape that the one side of battery unit 2 corresponds to battery unit 2 are provided with several positioning tubes 14, and the two of the battery unit 2 End is fastened in positioning tube 14.The shapes and sizes of positioning tube 14 are designed according to battery unit 2, can be made round, rectangular Deng.But it is most generalling use or round, to adapt to circular battery unit 2.But when positioning tube 14 is round, preferably it is by four The cylinder plate opened around the equally distributed arc of battery unit 2 is constituted.Such mode not only may be implemented effectively to position, but also be avoided that The influence that positioning tube 14 radiates to 2 end of battery unit.
In addition to this, the better way of the present invention is also possible that the edge of confluence 1 two sides of positioning plate is corresponding towards shell Leading flank and trailing flank bending constitute buffer part 15, and connect with leading flank and trailing flank by buffer part 15, in other words It exactly is bent to form buffer part 15 towards shell leading flank positioned at the confluence positioning plate 1 of shell leading flank, positioned at shell trailing flank Confluence positioning plate 1 is bent to form buffer part 15 towards shell trailing flank, and buffer part 15 generally in Contraband shape, has preferable flexible.It is slow The one side for rushing portion 15 can be affixed with shell by bolt, and pad is equipped with insulation rubber mat between the buffer part 15 and shell.
In most cases, battery pack all radiates, and has been able to adapt to by above structure most Several use demands.But running car should not be such that battery pack maintains too low in extremely frigid zones or when charging the battery Temperature.For this purpose, shell rear of the present invention is provided with closed plate 16, the closing in order to meet the needs of battery pack heat preservation It is provided with several plugs 17 matched with air-flow heat exchanger tube 4 on one side towards shell on plate 16, the plug 17 is changed with air-flow Heat pipe 4 corresponds.The closed plate 16 can be under the driving of driving assembly close to or far from shell.Setting in this way Afterwards, closed plate 16 is protruded into air-flow heat exchanger tube 4 and is blocked close to shell, plug 17, can completely cut off pair in air-flow heat exchanger tube 4 Stream.Simultaneously as air-flow heat exchanger tube 4 have certain depth, after closure its be equivalent to formed between battery unit 2 it is several Air heat-insulation layer, heat insulation effect are fabulous.And when needing to be switched to radiating mode, it need to only drive closed plate 16 far from shell, Of course for the influence that closed plate 16 flows air-flow under radiating mode is evaded, the closed plate 16 is in netted.It is of the present invention Driving assembly structure it is more, such as: driving assembly is exactly linear electric machine, an electric pushrod etc., as long as driving envelope can be played The effect of the separate or close shell of closing plate 16.

Claims (10)

1. a kind of new-energy automobile power battery group, including shell and battery unit (2);The leading flank of the shell and trailing flank Inner wall on be respectively arranged with the confluence positioning plate (1) being made of an electrically conducting material, be in square between the confluence positioning plate (1) Configuration is disposed with several battery units (2), and the anode and cathode of the battery unit (2) are contacted with confluence positioning plate (1) respectively; The surface of the shell is provided with pole (3), and the confluence positioning plate (1) is connected by lead-out wire and pole (3);
It is characterized by: being provided with air-flow heat exchanger tube (4) between four adjacent battery units (2), the air-flow heat exchange The front-rear direction that (4) are managed along shell extends;Several and air-flow heat exchanger tube (4) are provided on the leading flank of the shell and trailing flank The pore (5) matched, the pore (5) and air-flow heat exchanger tube (4) correspond;The both ends of the air-flow heat exchanger tube (4) point Shell is not pierced by by pore (5) and is in communication with the outside, air-flow heat exchanger tube (4) both ends, which are located on one section outside shell of circumferential surface, to be arranged There is external screw thread, and is fitted with locking nut (6);The locking nut (6) and shell band that the air-flow heat exchanger tube (4) passes through both ends Tightly.
2. new-energy automobile power battery group according to claim 1, it is characterised in that: pore (5) outer end is corresponding Housing outer surface on, the protrusion (7) of a ring shape is provided with around pore (5);It is arranged with outside the air-flow heat exchanger tube (4) in The inner surface of the rubber seal (8) of taper, the protrusion (7) is provided with the annular groove matched with rubber seal (8), described Rubber seal (8) is pushed against in annular groove by locking nut (6).
3. new-energy automobile power battery group according to claim 2, it is characterised in that: the shell by front housing (9) and Rear shell (10) is constituted, and the front housing (9) and the opposite edge of rear shell (10) are provided with the connection side (11) of a ring shape, front housing (9) it is folded with adjustment gasket (12) between the connection side (11) of rear shell (10), and is locked by stud (13).
4. new-energy automobile power battery group according to claim 3, it is characterised in that: confluence positioning plate (1) court The number and shape for corresponding to battery unit (2) to the one side of battery unit (2) are provided with several positioning tubes (14), the battery list The both ends of first (2) are fastened in positioning tube (14).
5. new-energy automobile power battery group according to claim 4, it is characterised in that: the positioning tube (14) is in circle Shape is made of four cylinder plates around battery unit (2) equally distributed arc.
6. new-energy automobile power battery group according to claim 5, it is characterised in that: the confluence positioning plate (1) two The edge of side is corresponding to constitute buffer part (15) towards the leading flank of shell and trailing flank bending, and passes through buffer part (15) and leading flank It is connected with trailing flank;Pad is equipped with insulation rubber mat between the buffer part (15) and shell.
7. new-energy automobile power battery group according to claim 6, it is characterised in that: the shell rear is provided with envelope Closing plate (16) is provided with several plugs matched with air-flow heat exchanger tube (4) towards shell on the closed plate (16) on one side (17), the plug (17) and air-flow heat exchanger tube (4) correspond;The closed plate (16) can be under the driving of driving assembly Close to or far from shell.
8. new-energy automobile power battery group according to claim 7, it is characterised in that: the closed plate (16) is in net Shape.
9. new-energy automobile power battery group according to claim 8, it is characterised in that: the confluence positioning plate (1) is Copper sheet.
10. new-energy automobile power battery group according to claim 9, it is characterised in that: the air-flow heat exchanger tube (4) is Ceramic tube or aluminium-alloy pipe;The shell is made of highstrenghtpiston.
CN201910028563.4A 2019-01-11 2019-01-11 A kind of new-energy automobile power battery group Pending CN109755450A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910028563.4A CN109755450A (en) 2019-01-11 2019-01-11 A kind of new-energy automobile power battery group

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910028563.4A CN109755450A (en) 2019-01-11 2019-01-11 A kind of new-energy automobile power battery group

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CN109755450A true CN109755450A (en) 2019-05-14

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204792989U (en) * 2015-07-07 2015-11-18 江苏索尔新能源科技股份有限公司 Vehicle -mounted power battery's electrified pond of portable module
CN205846170U (en) * 2016-05-25 2016-12-28 长兴天立能源科技有限公司 A kind of lithium battery for electric vehicle group
CN205960070U (en) * 2016-08-28 2017-02-15 安徽安凯汽车股份有限公司 Battery compartment with automatic hot management function
JP2018060594A (en) * 2015-02-25 2018-04-12 パナソニックIpマネジメント株式会社 Battery module
CN108321318A (en) * 2017-01-17 2018-07-24 莫列斯有限公司 Battery connection module and cell apparatus
CN108598318A (en) * 2018-05-09 2018-09-28 常州大学 A kind of new energy car battery case

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018060594A (en) * 2015-02-25 2018-04-12 パナソニックIpマネジメント株式会社 Battery module
CN204792989U (en) * 2015-07-07 2015-11-18 江苏索尔新能源科技股份有限公司 Vehicle -mounted power battery's electrified pond of portable module
CN205846170U (en) * 2016-05-25 2016-12-28 长兴天立能源科技有限公司 A kind of lithium battery for electric vehicle group
CN205960070U (en) * 2016-08-28 2017-02-15 安徽安凯汽车股份有限公司 Battery compartment with automatic hot management function
CN108321318A (en) * 2017-01-17 2018-07-24 莫列斯有限公司 Battery connection module and cell apparatus
CN108598318A (en) * 2018-05-09 2018-09-28 常州大学 A kind of new energy car battery case

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Application publication date: 20190514