CN217544737U - Battery cell module and battery module - Google Patents

Battery cell module and battery module Download PDF

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Publication number
CN217544737U
CN217544737U CN202221232121.5U CN202221232121U CN217544737U CN 217544737 U CN217544737 U CN 217544737U CN 202221232121 U CN202221232121 U CN 202221232121U CN 217544737 U CN217544737 U CN 217544737U
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battery cell
battery
module
electric core
heating
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CN202221232121.5U
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Chinese (zh)
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陈宇
邵杰
杜智
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SAIC GM Wuling Automobile Co Ltd
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SAIC GM Wuling Automobile Co Ltd
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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 utility model discloses an electric core module and a battery module, which comprises an electric core component, two supporting plates and a heating component, wherein the electric core component comprises a plurality of electric core rows arranged along the Z direction, each electric core row comprises a plurality of electric cores arranged along the X direction, and each electric core extends along the Y direction; the two supporting plates are arranged at intervals along the Y direction and are respectively positioned at two ends of the battery cell, a plurality of connecting holes are formed in the two supporting plates, the battery cells are in one-to-one inserting fit with the connecting holes, two ends of each battery cell respectively extend out of the corresponding connecting holes, and two ends of each battery cell are connected with positive and negative connecting sheets; the heating assembly comprises two heating films and two heat-conducting fins, the two heating films are respectively attached to two ends of the battery cell, and the heat-conducting fins are respectively clamped between each heating film and the end part of the battery cell corresponding to the heating film. The utility model discloses an electricity core module sets up the convenient electric core assembly of a plurality of connecting holes, sets up heating film and conducting strip and improves the performance of electricity core module under low temperature environment.

Description

Battery cell module and battery module
Technical Field
The utility model relates to a battery field, concretely relates to electricity core module and battery module.
Background
At present, a pure electric vehicle without environmental pollution increasingly becomes the development direction of the future automobile industry, and as a core component of the electric vehicle, the performance of a battery directly influences the overall performance of the electric vehicle. In order to meet the requirement of the endurance mileage of the electric automobile, a plurality of battery cells are required to form a battery module, but the number of the battery cells is large, so that the assembly is difficult. Also, the battery module has poor charging and discharging power in a low temperature environment, resulting in low performance of the battery module.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an electricity core module and battery module to solve the problem that the performance is low under traditional battery module assembly difficulty and the low temperature environment.
In order to achieve the above object, the present invention provides a cell module, which includes a cell assembly, two supporting plates and a heating assembly, wherein the cell assembly includes a plurality of cell rows arranged along a Z direction, each of the cell rows includes a plurality of cells arranged along an X direction, and each of the cells extends along a Y direction; the two supporting plates are arranged at intervals along the Y direction and are respectively positioned at two ends of the battery cell, a plurality of connecting holes are formed in each supporting plate, the battery cells are in one-to-one inserting fit with the connecting holes, two ends of each battery cell respectively extend out of the corresponding connecting holes, and two ends of each battery cell are connected with positive and negative connecting sheets; the heating assembly comprises two heating films and two heat conducting fins, the two heating films are respectively attached to two ends of the battery cell, and the heat conducting fins are respectively clamped between each heating film and the end part of the battery cell corresponding to the heating film.
Optionally, the battery cell module further includes two cover plates, the two cover plates are disposed at an interval along the Z direction, and the two cover plates are covered on the outer side of the battery cell and abutted against the supporting plate.
Optionally, a buffer pad is disposed on one side of the cover plate, which faces away from the battery cell, and the buffer pad extends along the X direction.
Optionally, the number of the buffer pads is multiple, and the multiple buffer pads are arranged at intervals along the Y direction.
Optionally, the battery cell is a cylindrical battery cell; and/or the supporting plate is an integrally formed part.
Optionally, the battery cell module further comprises two fixing frames, the two fixing frames are arranged at intervals along the X direction and connected between the two supporting plates, an installation cavity is formed between the two fixing frames, and the battery cell assembly is installed in the installation cavity.
Optionally, the both ends of mount all are provided with the installation ear, the installation ear with correspond ground the backup pad can be dismantled and be connected.
Additionally, the utility model provides a battery module, battery module includes a plurality of as above electric core module, and is a plurality of electric core module connects gradually along the Y direction.
Optionally, the battery module further includes a connection rod extending in the Y direction, the connection rod connecting all of the support plates.
Optionally, the battery module is provided with end plates along both sides of Y direction, two the end plates respectively with the battery module both sides the backup pad is connected, the end plate with the connecting rod is connected.
The utility model discloses electric core module among the technical scheme, a plurality of electric cores are the distribution of multirow multiseriate, are favorable to electric core module to transfer heat, and make electric core assembly more convenient. The both ends of electric core all are provided with the backup pad, and a plurality of connecting holes have all been seted up to two backup pads, and a plurality of electric cores are pegged graft with a plurality of connecting holes one-to-one and are cooperated for a plurality of electric core assemblies are simple swift, and the structure of electric core module is compact and more stable, has just guaranteed to have certain safe distance between each electric core, has guaranteed insulating nature and has prevented the inflation extrusion of electric core when long-time circulation again. Two ends of the battery cell respectively extend out of the corresponding connecting holes to be connected with the positive and negative connecting sheets, so that the battery cell module is electrically connected. The heating films are attached to the two ends of the battery core, the battery core is uniformly heated through the heating films, the temperature difference of each part of the battery core module is reduced, and the charging and discharging capacity of the battery core module in a low-temperature environment is improved, so that the performance of the battery core module is improved. All press from both sides between the tip of each heating film and rather than the electric core that corresponds and be equipped with the conducting strip, carry out the heat transfer through the conducting strip and make electric core heating at the uniform velocity, reduce the difference in temperature.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is an exploded schematic view of a battery cell module according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a battery cell module according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a fixing frame in a battery cell module according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a battery module according to an embodiment of the present invention.
The reference numbers illustrate:
reference numerals Name (R) Reference numerals Name (R)
10 Battery cell module 15 Cover plate
11 Battery cell 16 Buffer cushion
12 Supporting plate 17 Fixing frame
121 Connecting hole 171 Mounting ear
13 Heating assembly 172 Mounting cavity
131 Heating film 20 Battery module
132 Heat conducting fin 21 Connecting rod
14 Positive and negative pole connecting sheet 22 End plate
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
The present invention is described in the directions such as "up", "down", "front", "back", "left", "right", etc. with reference to the direction shown in fig. 1, and is only used to explain the relative positional relationship between the components in the posture shown in fig. 1, and if the specific posture is changed, the directional indication is also changed accordingly.
The utility model provides an electricity core module.
In one embodiment, as shown in fig. 1 to 4, the cell module 10 includes a cell assembly, two support plates 12 and a heating assembly 13, wherein the cell assembly includes a plurality of cell rows arranged along the Z direction, each cell row includes a plurality of cells 11 arranged along the X direction, and each cell 11 extends along the Y direction; the two supporting plates 12 are arranged at intervals along the Y direction and are respectively located at two ends of the battery cell 11, the two supporting plates 12 are both provided with a plurality of connecting holes 121, the plurality of battery cells 11 are in one-to-one corresponding insertion fit with the plurality of connecting holes 121, two ends of the battery cell 11 respectively extend out of the corresponding connecting holes 121, and two ends of the battery cell 11 are both connected with positive and negative connecting sheets 14; the heating assembly 13 includes two heating films 131 and two heat conducting fins 132, the two heating films 131 are respectively attached to two ends of the electric core 11, and the heat conducting fins 132 are respectively interposed between each heating film 131 and the end portion of the electric core 11 corresponding to the heating film 131.
In the present embodiment, the X direction is the left-right direction in fig. 1, the Y direction is the front-back direction in fig. 1, and the Z direction is the up-down direction in fig. 1.
In the battery cell module 10 of this embodiment, a plurality of battery cells 11 are distributed in a plurality of rows and a plurality of columns, which is beneficial to the heat transfer of the battery cell module 10 and makes the assembly of the battery cells 11 more convenient. Both ends of electric core 11 all are provided with backup pad 12, a plurality of connecting holes 121 have all been seted up to two backup pads 12, and a plurality of electric cores 11 are pegged graft with a plurality of connecting holes 121 one-to-one and are cooperated for 11 simple swiftly assembled of a plurality of electric cores, and the structure of electric core module 10 is more stable compact, and has guaranteed to have certain safe distance between each electric core 11, has guaranteed insulating nature and has prevented the inflation extrusion of electric core 11 when long-time circulation again. The two ends of the battery cell 11 respectively extend out of the corresponding connection holes 121 to be connected with the positive and negative connection sheets 14, so that the battery cell module 10 is electrically connected. The heating films 131 are attached to the two ends of the battery cell 11, the battery cell 11 is uniformly heated through the heating films 131, the temperature difference of each part of the battery cell module 10 is reduced, the charging and discharging capacity of the battery cell module 10 in a low-temperature environment is improved, and therefore the performance of the battery cell module 10 is improved. The heat conducting fins 132 are respectively clamped between each heating film 131 and the end portion of the corresponding battery cell 11, and heat transfer is performed through the heat conducting fins 132, so that the battery cell 11 is heated at a constant speed, and the temperature difference is reduced.
In an optimal technical scheme, glue is coated on the hole wall of the connecting hole 121, so that the connection between the battery cell 11 and the supporting plate 12 is firmer and firmer, and the battery cell 11 is prevented from shaking.
In an embodiment, the battery cell module 10 further includes two cover plates 15, the two cover plates 15 are disposed at intervals along the Z direction, and the two cover plates 15 are disposed outside the battery cell 11 and abut against the support plate 12.
As shown in fig. 1 to 4, the cover plates 15 are disposed on the upper side and the lower side of the battery cell 11, and the cover plates 15 abut against the supporting plate 12, so that the battery cell 11 is prevented from shaking, the structural stability of the battery cell module 10 is improved, and the safety and reliability of the battery cell module 10 are improved.
In one embodiment, a side of the cover plate 15 facing away from the battery cell 11 is provided with a cushion 16, and the cushion 16 extends in the X direction. As shown in fig. 1 to 4, the buffer pad 16 may reduce an impact force generated from the outside, prevent the cell module 10 from being damaged, buffer and protect the cell module 10, and improve the safety of the cell module 10.
In one embodiment, the number of the cushion pads 16 is plural, and the plural cushion pads 16 are arranged at intervals in the Y direction. As shown in fig. 1 to 4, the buffer pads 16 extend in the left-right direction, and the plurality of buffer pads 16 are disposed at intervals in the front-rear direction, so that the contact area between the buffer pads 16 and the cell modules 10 is increased, and the buffering effect is enhanced. Providing a plurality of cushioning pads 16 further improves the safety of the cell module 10.
In one embodiment, the cell 11 is a cylindrical cell 11. As shown in fig. 1 to 4, the cylindrical battery cell 11 has the advantages of good sealing performance, difficulty in explosion, mature technology and low cost, and the single cylindrical battery cell 11 has good consistency and is more convenient to assemble.
In one embodiment, as shown in fig. 1 to 4, the supporting plate 12 is an integrally formed component, so as to reduce the operation steps of forming the connecting hole 121, improve the production efficiency, and reduce the position error of the connecting hole 121.
In an embodiment, the battery cell module 10 further includes two fixing frames 17, the two fixing frames 17 are disposed at intervals along the X direction and connected between the two supporting plates 12, a mounting cavity 172 is formed between the two fixing frames 17, and the battery cell assembly is mounted in the mounting cavity 172.
As shown in fig. 1 to 4, both ends all are provided with mount 17 about backup pad 12, and two backup pads 12 are connected around mount 17 will, and two mounts 17 enclose into installation cavity 172 with two backup pads 12, and the electric core subassembly is installed in installation cavity 172 for electric core 11 rigidity makes things convenient for the assembly of electric core 11, and electric core module 10 compact structure and stability improve electric core module 10's security and reliability.
In one embodiment, the fixing frame 17 is provided with mounting ears 171 at both ends, and the mounting ears 171 are detachably connected with the corresponding support plates 12. As shown in fig. 1 to 4, the mounting ears 171 extend from the fixing frame 17 toward the direction close to the supporting plate 12, and the mounting ears 171 are detachably connected with the corresponding supporting plate 12, so that the fixing frame 17 and the supporting plate 12 can be used more flexibly and are convenient to replace. Specifically, the mounting ears 171 are connected to the corresponding support plate 12 by bolts, which have the advantages of easy material selection and convenient replacement.
Additionally, the utility model provides a battery module 20 still, battery module 20 include a plurality of as above electric core module 10, a plurality of electric core modules 10 connect gradually along the Y direction. The specific structure of the battery cell module 10 refers to the foregoing embodiment, and since the battery module 20 adopts all technical solutions of the foregoing embodiment, at least all beneficial effects brought by the technical solutions of the foregoing embodiment are achieved, and details are not repeated here.
In one embodiment, the battery module 20 further includes a connection bar 21, the connection bar 21 extending in the Y direction, the connection bar 21 connecting all the support plates 12.
As shown in fig. 1 to 4, the support plates 12 of the plurality of cell modules 10 are connected by the connecting rods 21, so that the plurality of cell modules 10 are connected tightly and uniformly, and the structural stability and compactness of the battery module 20 are improved. In this embodiment, the quantity of connecting rod 21 can be one, two or more, and the quantity of connecting rod 21 can be adjusted in a flexible way as required, the utility model discloses do not do the restriction to the quantity of connecting rod 21. When the number of the connecting rods 21 is plural, the plurality of connecting rods 21 are arranged at intervals in the X direction, that is, the left and right direction, and each connecting rod 21 is arranged to avoid the electric core 11, so as to prevent the connecting rod 21 from interfering with the electric core 11.
In one embodiment, the battery module 20 is provided with end plates 22 at both sides in the Y direction, the two end plates 22 are respectively connected to the support plates 12 at both sides of the battery module 20, and the end plates 22 are connected to the connecting rods 21.
As shown in fig. 1 to 4, two end plates 22 are disposed at both sides of the battery module 20 in the front-rear direction, the two end plates 22 are respectively connected to the support plates 12 at both sides of the front and rear of the battery module 20, the two end plates 22 are respectively connected to both ends of the connection rod 21, and the provision of the end plates 22 improves the structural stability of the battery module 20 and the safety and reliability of the battery module 20.
The above is only the preferred embodiment of the present invention, and the patent scope of the present invention is not limited thereby, and all the equivalent structures made by the contents of the specification and the drawings are utilized under the idea of the present invention, or directly/indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims (10)

1. A cell module, comprising:
the battery cell assembly comprises a plurality of battery cell rows arranged along the Z direction, each battery cell row comprises a plurality of battery cells arranged along the X direction, and each battery cell extends along the Y direction;
the two supporting plates are arranged at intervals along the Y direction and are respectively positioned at two ends of the electric core, a plurality of connecting holes are formed in the two supporting plates, the electric core and the connecting holes are correspondingly spliced and matched one by one, two ends of the electric core respectively extend out of the connecting holes correspondingly, and two ends of the electric core are respectively connected with positive and negative connecting sheets; and the number of the first and second groups,
the heating assembly comprises two heating films and two heat conducting fins, the two heating films are respectively attached to two ends of the battery cell, and the heat conducting fins are respectively clamped between each heating film and the end part of the battery cell corresponding to the heating film.
2. The battery cell module of claim 1, further comprising two cover plates spaced apart in the Z-direction, the two cover plates being disposed over the battery cells and abutting against the support plate.
3. The battery cell module of claim 2, wherein a side of the cover plate facing away from the battery cells is provided with a cushion pad, the cushion pad extending in the X-direction.
4. The battery cell module of claim 3, wherein the buffer pads are plural in number, and the plural buffer pads are arranged at intervals along the Y direction.
5. The battery cell module of claim 1,
the battery cell is a cylindrical battery cell; and/or the presence of a gas in the gas,
the supporting plate is an integrally formed part.
6. The battery cell module of any one of claims 1 to 5, further comprising two fixing frames, wherein the two fixing frames are spaced apart in the X direction and connected between the two support plates, a mounting cavity is formed between the two fixing frames, and the battery cell assembly is mounted in the mounting cavity.
7. The battery cell module of claim 6, wherein mounting ears are disposed at both ends of the fixing frame, and the mounting ears are detachably connected with the corresponding supporting plates.
8. A battery module, characterized in that, the battery module includes a plurality of the battery cell modules of any one of claims 1-7, a plurality of the battery cell modules are connected in series along Y direction.
9. The battery module according to claim 8, further comprising a connection bar extending in the Y direction, the connection bar connecting all of the support plates.
10. The battery module according to claim 9, wherein the battery module is provided at both sides in the Y direction with end plates, both of which are connected to the support plates at both sides of the battery module, respectively, and the end plates are connected to the connection rods.
CN202221232121.5U 2022-05-20 2022-05-20 Battery cell module and battery module Active CN217544737U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221232121.5U CN217544737U (en) 2022-05-20 2022-05-20 Battery cell module and battery module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221232121.5U CN217544737U (en) 2022-05-20 2022-05-20 Battery cell module and battery module

Publications (1)

Publication Number Publication Date
CN217544737U true CN217544737U (en) 2022-10-04

Family

ID=83441503

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221232121.5U Active CN217544737U (en) 2022-05-20 2022-05-20 Battery cell module and battery module

Country Status (1)

Country Link
CN (1) CN217544737U (en)

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