CN206370447U - Battery bag - Google Patents

Battery bag Download PDF

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Publication number
CN206370447U
CN206370447U CN201720062992.XU CN201720062992U CN206370447U CN 206370447 U CN206370447 U CN 206370447U CN 201720062992 U CN201720062992 U CN 201720062992U CN 206370447 U CN206370447 U CN 206370447U
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CN
China
Prior art keywords
battery cell
fixture
heat dissipation
battery
dissipation cavity
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Active
Application number
CN201720062992.XU
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Chinese (zh)
Inventor
王德荣
周灵刚
王鹏
刘振岗
余昌亮
包聪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Contemporary Amperex Technology Co Ltd
Original Assignee
Contemporary Amperex Technology Co Ltd
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Publication date
Application filed by Contemporary Amperex Technology Co Ltd filed Critical Contemporary Amperex Technology Co Ltd
Priority to CN201720062992.XU priority Critical patent/CN206370447U/en
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Publication of CN206370447U publication Critical patent/CN206370447U/en
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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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  • Battery Mounting, Suspending (AREA)
  • Secondary Cells (AREA)

Abstract

The application is related to battery bag.The battery bag includes housing, fixture and at least one battery cell, the battery cell is arranged in the housing, the fixture is arranged at the top of the battery cell and is fixedly connected with the housing, in the presence of attachment force between the fixture and the housing, the fixture compresses the battery cell, and the fixture has heat dissipation cavity.In the program, on the one hand, battery cell is directly placed in the housing of battery bag, the space inside battery bag is saved, on the other hand, when battery cell heat production, hot-air can enter heat dissipation cavity, and be gone out along heat dissipation cavity Quick diffusing, improve the radiating effect of battery bag.

Description

Battery bag
Technical field
The application is related to cell art, more particularly to a kind of battery bag.
Background technology
Generally, multiple battery modules are provided with battery bag, each battery modules are by shell and are encapsulated in many in shell Individual battery cell composition, multiple battery modules are fixed in battery bag by pressing plate, to limit each battery modules in battery bag It is interior to be moved along the short transverse of battery cell.
The battery bag of said structure, on the one hand, the shell of battery modules occupies the segment space inside battery bag so that Space inside battery bag can not be fully utilized, on the other hand, because battery cell is encapsulated in battery modules by shell, Cause battery bag radiating effect poor.
Utility model content
The embodiment of the present application provides a kind of battery bag, the space inside battery bag can be made to be fully used, and carry The radiating effect of high battery bag.
This application provides a kind of battery bag, including housing, fixture and at least one battery cell, the battery list Body is arranged in the housing, and the fixture is arranged at the top of the battery cell and is fixedly connected with the housing, In the presence of attachment force between the fixture and the housing, the fixture compresses the battery cell, and described Fixture has heat dissipation cavity.
Preferably, a side surface of the fixture towards the battery cell is provided with flame-retardant layer.
Preferably, the battery cell includes explosion-proof valve, and the surface is located at the surface of the explosion-proof valve.
Preferably, the surface includes the first plane and the second plane, and first plane intersects with second plane Angular structure is formed, the sharp corner of the angular structure is convex to the side away from battery cell,
The sharp corner is located at the surface of the explosion-proof valve, and spaced between the explosion-proof valve.
Preferably, in addition to cushion pad, the cushion pad is arranged between the fixture and the battery cell, in institute State in the presence of attachment force, the fixture compresses the battery cell via the cushion pad.
Preferably, cushion pad holding tank is provided with the fixture, the side of the cushion pad is inlaid in the buffering Pad in holding tank, battery cell described in another side compression.
Preferably, the cushion pad holding tank includes head and the neck being sequentially distributed along the short transverse of the battery cell Portion, the neck is located at the opening of the cushion pad holding tank, and the size of the neck is less than the size on the head to limit Make short transverse of the cushion pad along the battery cell and deviate from the cushion pad holding tank.
Preferably, the battery cell is arranged as multirow along its thickness direction in the housing,
The quantity of the fixture is equal with the line number that the battery cell is arranged, and battery cell described in per a line passes through One fixture is compressed.
Preferably, the fixture includes main board, the first dividing plate and second partition and the first connecting plate and the second company Fishplate bar,
The main board is stripe board, and first dividing plate is connected with the second partition with the main board, and point Not Wei Yu the main board width two ends,
The middle part of one end of first connecting plate and one end of second connecting plate with the main board is connected,
The other end of first connecting plate is connected with first dividing plate, the other end of second connecting plate and institute Second partition is stated to be connected,
The heat dissipation cavity include the first heat dissipation cavity and the second heat dissipation cavity, first heat dissipation cavity by first dividing plate, First connecting plate and the main board are surrounded, and second heat dissipation cavity is by the second partition, second connecting plate And the main board is surrounded.
Preferably, the fixture also includes the 3rd dividing plate and the 4th dividing plate, and the 3rd dividing plate is arranged at described the So that first heat dissipation cavity is divided into two chambers in one heat dissipation cavity, the 4th dividing plate be arranged in second heat dissipation cavity with Second heat dissipation cavity is divided into two chambers.
The technical scheme that the application is provided can reach following beneficial effect:
This application provides a kind of battery bag, fixture is arranged at the top of battery cell and is fixedly connected with the casing, In the presence of the attachment force, fixture compresses battery cell, to limit displacement of each battery cell in oneself height direction, together When, fixture has in heat dissipation cavity, the program, on the one hand, battery cell is directly placed in the housing of battery bag, saves electricity Space inside the bag of pond, on the other hand, when battery cell heat production, hot-air can enter heat dissipation cavity, and quick along heat dissipation cavity Distribute, improve the radiating effect of battery bag.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary, this can not be limited Application.
Brief description of the drawings
The schematic diagram for the battery bag that Fig. 1 is provided by the embodiment of the present application;
The view profile for the fixture that Fig. 2 is provided by the embodiment of the present application;
The top view for the fixture that Fig. 3 is provided by embodiment during the application.
Reference:
1- housings;
2- fixtures;
2a- main boards;The dividing plates of 2b- first;2c- second partitions;The connecting plates of 2d- first;
The connecting plates of 2e- second;The dividing plates of 2f- the 3rd;The dividing plates of 2g- the 4th;
21- heat dissipation cavities;
The heat dissipation cavities of 21a- first;
The heat dissipation cavities of 21b- second;
22- surfaces;
The planes of 22a- first;
The planes of 22b- second;
23- cushion pad holding tanks;
23a- heads;
23b- necks;
24- connecting holes;
25- aids in connecting hole;
3- battery cells;
31- explosion-proof valves;
4- cushion pads;
5- threaded connectors.
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows the implementation for meeting the application Example, and be used to together with specification to explain the principle of the application.
Embodiment
The application is described in further detail below by specific embodiment and with reference to accompanying drawing.
As Figure 1-3, this application provides a kind of battery bag, including housing 1, fixture 2 and at least one battery Monomer 3, battery cell 3 is arranged in housing 1, and fixture 2 is arranged at the top of battery cell 3 and is fixedly connected with housing 1. That is, housing 1 is connected the accommodating chamber for being formed and being used for accommodating battery cell 3 with fixture 2, between fixture 2 and housing 1 Attachment force in the presence of, fixture 2 compress battery cell 3, to limit displacement of the battery cell 3 along oneself height direction, and Heat dissipation cavity 21 is offered on fixture 2, the heat that battery cell 3 is produced can be distributed by heat dissipation cavity 21 to outside battery bag Portion.
Description more than, on the one hand, battery cell 3 is directly placed in the housing 1 of battery bag, saves battery bag Internal space, on the other hand, when the heat production of battery cell 3, hot-air can enter heat dissipation cavity 21, and quick along heat dissipation cavity 21 Distribute, improve the radiating effect of battery bag.
Normal conditions, battery cell 3 includes explosion-proof valve 31, when the air pressure inside battery cell 3 exceedes preset pressure value, Gas breaks through explosion-proof valve 31.In order to avoid the generation for the equivalent risk that catches fire, preferably fixture 2 is towards a side surface of battery cell 3 22 are provided with flame-retardant layer, and flame-retardant layer has fire prevention, heat-insulated and resistant to elevated temperatures effect, can effectively prevent flame transmission, hinders Only the intensity of a fire spreads and expanded.
Further, in order to improve flame retardant effect, the preferably surface 22 is located at the surface of explosion-proof valve 31, after so setting, The high temperature and high pressure gas rushed out from explosion-proof valve 31 can be injected directly on flame-retardant layer, prevented fires and heat-insulated with preferably playing Effect.
The surface 22 for being provided with flame-retardant layer could be arranged to plane, still, it is considered to the spray for the gas gone out from explosion-proof valve 31 When penetrating direction and the perpendicular surface 22, most of heat can be caused to be reflected back toward battery cell 3 again, therefore, the application In, preferably the surface 22 includes the first plane 22a and the second plane 22b, and the first plane 22a is crossed to form with the second plane 22b Angular structure, the sharp corner of angular structure is convex to the side away from battery cell 3, now, and sharp corner is being located at explosion-proof valve 31 just It is spaced between top, and sharp corner and explosion-proof valve 31.So, in the first plane 21a and the second plane 21b wedge angle Place, formed a semi-surrounding structure accommodating chamber, from explosion-proof valve 31 spray gas can accumulate in the accommodating chamber, and along dissipate Hot chamber 21 is distributed to the outside of battery bag.
Further, since battery cell 3 has deviation in short transverse, battery bag also includes cushion pad 4, and cushion pad 4 is set Between fixture 2 and battery cell 3, in the presence of the attachment force of fixture 2 and housing 1, fixture 2 is via cushion pad 4 Battery cell 3 is compressed, to ensure each battery cell 3 by thrust.Even if it follows that each battery cell 3 is in height side To having differences, this characteristic can be deformed in the presence of attachment force using cushion pad 4, can still cause fixture 2 with Battery cell 3 is in close contact, to keep thrust.Cushion pad 4 can be made up of flexible materials such as rubber, asbestos.
According to one embodiment, cushion pad 4 can be bonded on fixture 2 by viscose glue, in the present embodiment, in order to ensure Cushion pad holding tank 23 is provided with the reliability connected between cushion pad 4 and fixture 2, preferably fixture 2, cushion pad 4 Side is inlaid in cushion pad holding tank 23, another side compression battery cell 3.
Specifically, cushion pad holding tank 23 includes head 23a and neck 23b, head 23a and neck 23b along battery cell 3 Short transverse be sequentially distributed, neck 23b be located at cushion pad holding tank 23 opening at, and neck 23b size be less than head 23a size, is deviate from limiting short transverse of the cushion pad 4 along battery cell 3 from cushion pad holding tank 23.
It should be noted that cushion pad 4 is located at the structure in cushion pad holding tank 23 and the head of cushion pad holding tank 23 23a and neck 23b structure are adapted, to ensure that both is good fit.
In the embodiment shown in Figure 2, fixture 2 is the quantity of strip structure, cushion pad holding tank 23 and cushion pad 4 It is provided with multiple, width arrangement of the cushion pad holding tank 23 along fixture 2, cushion pad 4 and cushion pad holding tank 23 1 One is correspondingly arranged, as shown in Fig. 2 cushion pad 4 and cushion pad holding tank 23 are separately positioned on the both sides on surface 22, is arranged such Afterwards, the thrust that battery cell 3 is subject to is more balanced.
In the embodiment shown in fig. 1, battery cell 3 is arranged as multirow along its thickness direction in housing 1, accordingly Ground, the quantity of fixture 2 is equal with the line number that battery cell 3 is arranged, and is pressed per a line battery cell 3 by a fixture 2 Tightly, it is and spaced between two neighboring fixture 2.In this scheme, the fixture 2 of spaced setting is advantageously in battery Distributing for the heat of monomer 3, advantageously reduces the temperature rise of battery bag.
The structure of fixture 2 can select to set according to use environment, in the present embodiment, as shown in Fig. 2 fixture 2 is wrapped Main board 2a, the first dividing plate 2b and second partition 2c and the first connecting plate 2d and the second connecting plate 2e are included, wherein, main board 2a For stripe board, the first dividing plate 2b is connected with second partition 2c with main board 2a, and is located at main board 2a width respectively Two ends, the middle part of the first connecting plate 2d one end and the second connecting plate 2e one end with main board 2a is connected, the first connection The plate 2d other end is connected with the first dividing plate 2b, and the second connecting plate 2e other end is connected with second partition 2c.Wherein, One plane 22a is formed at a side surfaces of the first connecting plate 2d towards battery cell 3, and the second plane 22b is formed at the second connection Plate 2e is towards a side surface of battery cell 3.
Heat dissipation cavity 21 include the first heat dissipation cavity 21a and the second heat dissipation cavity 21b, the first heat dissipation cavity 21a by the first dividing plate 2b, First connecting plate 2d and main board 2a are surrounded, and the second heat dissipation cavity 21b is by second partition 2c, the second connecting plate 2e and main board 2a is surrounded, in the program, and fixture 2 is cavity structure, and its strength and stiffness is higher, and battery cell 3 can be provided reliably Thrust.
Preferably, the first dividing plate 2b and second partition 2c each along battery cell 3 short transverse extension and respectively with Main board 2a vertical connections, in the presence of the attachment force of fixture 2 and housing 1, the first dividing plate 2b and second partition 2c energy Enough increase the ability of the resistance to deformation of fixture 2.
Further, fixture 2 also includes the 3rd dividing plate 2f and the 4th dividing plate 2g, and the 3rd dividing plate 2f is arranged at the first radiating So that the first heat dissipation cavity 21a is divided into two chambers in chamber 21a, the 4th dividing plate 2g is arranged in the second heat dissipation cavity 21b with by second Heat dissipation cavity 21b is divided into two chambers, this approach increases the quantity of heat-dissipating cavity, and radiating effect is further strengthened, and passes through Three dividing plate 2f and the 4th dividing plate 2g setting, the strength and stiffness of fixture 2 are further improved.
Preferably, the 3rd dividing plate 2f and the 4th dividing plate 2g be arranged in parallel with the first dividing plate 2b, in this scheme, first every Plate 2b, second partition 2c, the 3rd dividing plate 2f and the 4th dividing plate 2g extend each along the short transverse of battery cell 3, to cause The ability of the resistance to deformation of fixture 2 is further strengthened.
As shown in figures 1 and 3, fixture 2 is fixedly connected with housing 1, its connected mode can be riveting, pin connection or Welding.In the present embodiment, for the ease of the dismounting of battery bag, preferably fixture 2 and the bolt connection of housing 1.Specifically, in fixation The two ends of the length direction of part 2 are respectively arranged with connecting hole 24, and threaded connector 5 is spirally connected through connecting hole 24 with housing 1.
Further, in order to which each section on the length direction of fixture 2 can produce reliable thrust, this implementation In example, it is additionally provided with fixture 2 between multiple auxiliary connecting holes 25, length direction of each auxiliary connecting hole 25 along fixture 2 Every distribution, and auxiliary connecting hole 25 is opened in the middle part of the width of fixture 2, the auxiliary connecting hole 25 and equally may be used To set bolt, rivet or pin etc., to realize being fixedly connected for fixture 2 and housing 1.
The preferred embodiment of the application is the foregoing is only, the application is not limited to, for the skill of this area For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.

Claims (10)

1. a kind of battery bag, it is characterised in that including housing, fixture and at least one battery cell, the battery cell It is arranged in the housing, the fixture is arranged at the top of the battery cell and is fixedly connected with the housing, In the presence of attachment force between the fixture and the housing, the fixture compresses the battery cell, and described solid Determining part has heat dissipation cavity.
2. battery bag according to claim 1, it is characterised in that side table of the fixture towards the battery cell Face is provided with flame-retardant layer.
3. battery bag according to claim 2, it is characterised in that the battery cell includes explosion-proof valve, the surface position In the surface of the explosion-proof valve.
4. battery bag according to claim 3, it is characterised in that the surface includes the first plane and the second plane, institute State the first plane and be crossed to form angular structure with second plane, the sharp corner of the angular structure is convex to away from battery cell Side,
The sharp corner is located at the surface of the explosion-proof valve, and spaced between the explosion-proof valve.
5. the battery bag according to claim any one of 1-4, it is characterised in that also including cushion pad, the cushion pad is set Put between the fixture and the battery cell, in the presence of the attachment force, the fixture is via the buffering Pad compresses the battery cell.
6. battery bag according to claim 5, it is characterised in that cushion pad holding tank, institute are provided with the fixture The side for stating cushion pad is inlaid in the cushion pad holding tank, battery cell described in another side compression.
7. battery bag according to claim 6, it is characterised in that the cushion pad holding tank is included along the battery cell The head that is sequentially distributed of short transverse and neck, the neck is located at the opening of the cushion pad holding tank, the neck Size be less than the size on the head and deviate from the buffering to limit short transverse of the cushion pad along the battery cell Pad holding tank.
8. the battery bag according to claim any one of 1-4, it is characterised in that the battery cell is along its thickness direction Multirow is arranged as in the housing,
The quantity of the fixture is equal with the line number that the battery cell is arranged, and battery cell described in per a line passes through one The fixture is compressed.
9. battery bag according to claim 1, it is characterised in that the fixture includes main board, the first dividing plate and the Two dividing plates and the first connecting plate and the second connecting plate,
The main board is stripe board, and first dividing plate is connected with the second partition with the main board, and position respectively In the two ends of the width of the main board,
The middle part of one end of first connecting plate and one end of second connecting plate with the main board is connected,
The other end of first connecting plate is connected with first dividing plate, the other end of second connecting plate and described the Two dividing plates are connected,
The heat dissipation cavity includes the first heat dissipation cavity and the second heat dissipation cavity, and first heat dissipation cavity is by first dividing plate, described First connecting plate and the main board are surrounded, second heat dissipation cavity by the second partition, second connecting plate and The main board is surrounded.
10. battery bag according to claim 9, it is characterised in that the fixture also includes the 3rd dividing plate and the 4th Dividing plate, the 3rd dividing plate is arranged in first heat dissipation cavity so that first heat dissipation cavity is divided into two chambers, and described the Four dividing plates are arranged in second heat dissipation cavity second heat dissipation cavity being divided into two chambers.
CN201720062992.XU 2017-01-18 2017-01-18 Battery bag Active CN206370447U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720062992.XU CN206370447U (en) 2017-01-18 2017-01-18 Battery bag

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720062992.XU CN206370447U (en) 2017-01-18 2017-01-18 Battery bag

Publications (1)

Publication Number Publication Date
CN206370447U true CN206370447U (en) 2017-08-01

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ID=59391209

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720062992.XU Active CN206370447U (en) 2017-01-18 2017-01-18 Battery bag

Country Status (1)

Country Link
CN (1) CN206370447U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111244359A (en) * 2020-03-17 2020-06-05 中车资阳机车有限公司 Integrated power battery system of high-power hybrid power locomotive
CN111384327A (en) * 2018-12-29 2020-07-07 宁德时代新能源科技股份有限公司 Battery pack
CN113036299A (en) * 2019-12-09 2021-06-25 东莞新能安科技有限公司 Battery module

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111384327A (en) * 2018-12-29 2020-07-07 宁德时代新能源科技股份有限公司 Battery pack
CN111384327B (en) * 2018-12-29 2021-10-08 宁德时代新能源科技股份有限公司 Battery pack
CN113036299A (en) * 2019-12-09 2021-06-25 东莞新能安科技有限公司 Battery module
CN111244359A (en) * 2020-03-17 2020-06-05 中车资阳机车有限公司 Integrated power battery system of high-power hybrid power locomotive
CN111244359B (en) * 2020-03-17 2024-04-16 中车资阳机车有限公司 Integrated power battery system of high-power hybrid power locomotive

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