CN210723154U - End plate for electric core assembly and electric core assembly - Google Patents

End plate for electric core assembly and electric core assembly Download PDF

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Publication number
CN210723154U
CN210723154U CN201921914955.2U CN201921914955U CN210723154U CN 210723154 U CN210723154 U CN 210723154U CN 201921914955 U CN201921914955 U CN 201921914955U CN 210723154 U CN210723154 U CN 210723154U
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China
Prior art keywords
end plate
core assembly
body part
electric core
electrical core
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Application number
CN201921914955.2U
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Chinese (zh)
Inventor
李成强
冯冰
李晓磊
魏艳彬
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Svolt Energy Technology Co Ltd
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Svolt Energy Technology Co Ltd
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Priority to CN201921914955.2U priority Critical patent/CN210723154U/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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Abstract

The utility model discloses an end plate and electric core subassembly for electric core subassembly, the end plate includes: a body portion; the connecting parts are arranged at two ends of the body part and are fixedly connected with the body part; wherein the body part is configured as a plastic part, and the connecting part is configured as a metal part; the connecting parts are embedded at two ends of the body part, and at least part of the connecting parts extends out of the body part to be welded and fixed with the side plates of the electric core assembly. The utility model discloses an end plate for electricity core subassembly through replacing the metal material with in the part end plate into the plastics material, has alleviateed the weight of end plate, has reduced the module cost, has promoted module energy density, does not influence the welding of end plate and curb plate simultaneously.

Description

End plate for electric core assembly and electric core assembly
Technical Field
The utility model belongs to the technical field of the battery technique and specifically relates to an end plate and electric core subassembly for electric core subassembly are related to.
Background
In the prior art, the module end plate of the power battery pack is generally made of metal materials, so that the module is high in mass, low in energy density and high in cost.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least.
Therefore, the utility model aims to provide an end plate for an electric core assembly, which reduces the weight and does not affect the welding with the side plate;
another object of the present invention is to provide an electric core assembly, which includes the above-mentioned end plate for electric core assembly.
To achieve the above object, one aspect of the present invention provides an end plate for a battery pack assembly, including: a body portion; the connecting parts are arranged at two ends of the body part and are fixedly connected with the body part; wherein the body part is configured as a plastic part, and the connecting part is configured as a metal part; the connecting parts are embedded at two ends of the body part, and at least part of the connecting parts extends out of the body part to be welded and fixed with the side plates of the electric core assembly.
The utility model discloses an end plate for electricity core subassembly through replacing the metal material with in the part end plate into the plastics material, has alleviateed the weight of end plate, has reduced the module cost, has promoted module energy density, does not influence the welding of end plate and curb plate simultaneously.
Furthermore, a clamping jaw is arranged on the connecting portion, and a clamping groove matched with the clamping jaw is arranged on the body portion.
Further, the connecting parts are provided with the clamping claws in the width direction of the electric core assembly.
Furthermore, the connecting part is also provided with a convex part which protrudes outwards.
Further, the protruding part protrudes outwards by a length not less than 1 mm.
Further, the body part is provided with a lightening groove or a lightening hole.
Further, the body part includes: the weight-reducing plate comprises a mounting plate and a plurality of reinforcing plates arranged on the outer side of the mounting plate, wherein the reinforcing plates are staggered with each other to define the weight-reducing grooves with the mounting plate.
Further, both ends of the connecting portion in the height direction protrude out of the body portion.
Furthermore, a through hole which extends longitudinally and is suitable for a fastening piece to pass through is arranged on the connecting part.
The utility model discloses another aspect provides an electric core subassembly, include: an electric core; the end plates are arranged at two ends of the battery cell in the length direction; the side plates are arranged at two ends of the battery cell in the width direction and are welded and fixed with the connecting parts of the two adjacent end plates.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic perspective view of an end plate for an electrical core assembly according to an embodiment of the present invention;
FIG. 2 is a front view of FIG. 1;
fig. 3 is a top view of fig. 1.
Reference numerals:
the end plate 100 is provided with a plurality of,
the body part 1 is provided with a plurality of grooves,
the connecting portion 2, the claws 201, the protrusions 202,
a lightening groove 3 and a reinforcing plate 4.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
An end plate 100 for an electric core assembly according to an embodiment of the present invention, including a body portion 1 and a connection portion 2, is described below with reference to fig. 1 to 3.
Specifically, the connecting parts 2 are arranged at two ends of the body part 1 and fixedly connected with the body part 1; wherein the body part 1 is constructed as a plastic part and the connecting part 2 is constructed as a metal part; the connecting parts 2 are embedded at two ends of the body part 1, and at least part of the connecting parts 2 extends out of the body part 1 to be welded and fixed with the side plates of the electric core assembly.
In order to avoid plastic deformation during welding with the side plates, the connecting portion 2 is extended out of the body portion 1, facilitating side plate welding.
According to the utility model discloses an end plate 100 for electric core subassembly through replacing into the plastics material with the metal material in the part end plate 100, has alleviateed end plate 100's weight, has reduced the module cost, has promoted module energy density, does not influence the welding of end plate 100 and curb plate simultaneously.
Preferably, the body portion 1 does not completely wrap the connecting portion 2, the body portion 1 is manufactured by an injection molding process, and the connecting portion 2 is manufactured by an extrusion molding process.
According to the utility model discloses an embodiment is provided with jack catch 201 on connecting portion 2, is provided with the draw-in groove with jack catch 201 complex on the body part 1. Connecting portion 2 is the metal material, and this part 1 is the plastics material, is provided with jack catch 201 structure on connecting portion 2, can promote the joint strength with this part 1, in the use, is difficult for being broken away from.
Specifically, the connecting portions 2 are provided with claws 201 in the width direction of the electric core assembly. There will be certain pretightning force when the electric core subassembly is arranged, and end plate 100 receives the ascending power of length direction that the electric core subassembly gave, sets up jack catch 201 in the width direction, because of having certain contained angle with the direction of force, consequently is difficult for breaking away from.
According to an embodiment of the present invention, the connecting portion 2 is further provided with a convex portion 202 protruding outward; preferably, the protrusion 202 protrudes outward by a length of not less than 1 mm. The body part 1 is made of plastic, so that the body part 1 is prevented from generating thermal deformation when being welded with the side plates, the length of the connecting part 2 towards the outer protruding part 202 is not less than 1mm, the side plates are welded on the protruding part 202 and then are bent inwards along the arrangement direction of the electric core assemblies, and the electric core assemblies are fixedly supported.
According to an embodiment of the present invention, the body portion 1 is provided with lightening grooves 3 or lightening holes. This reduces the weight of the end plate 100 and reduces the cost of the end plate 100.
Specifically, the body portion 1 includes: the weight-reducing plate comprises a mounting plate and a plurality of reinforcing plates 4 arranged on the outer side of the mounting plate, wherein the plurality of reinforcing plates 4 are staggered with each other to define the weight-reducing grooves 3 with the mounting plate. When lightening, the end plate 100 needs certain intensity to support the electric core assembly, and the reinforcing plate 4 is arranged outside the mounting plate, so that the intensity of the end plate 100 meets the use requirement.
Wherein, the inboard of mounting panel can paint the structure and glue or paste double faced adhesive tape, realizes the fixed action to parts such as electric core or insulating piece.
According to an embodiment of the present invention, the connecting portion 2 is provided with a through hole extending longitudinally and adapted to allow a fastening member to pass through. The connecting parts 2 at the two ends are respectively provided with a through hole for penetrating a module fixing bolt; the bolt passes through from the up end, and the lower terminal surface contacts with accepting the module installation department, and the part of contact has the screw thread, can realize the bolt fastening.
According to an embodiment of the present invention, both ends of the connecting portion 2 in the height direction protrude out of the body portion 1. The upper end and the lower end of the connecting part 2 extend out of the body part 1, plastic is prevented from overflowing to the upper end face and the lower end face in the plastic injection molding process, the upper end face and the lower end face are uneven, a bolt head cannot be attached to the upper end face in the module assembling process, the torsion of the bolt is insufficient, and the module assembling is not tight.
According to an embodiment of the present invention, an electric core assembly includes an electric core, the end plate 100 and a side plate; specifically, the end plates 100 are disposed at two ends of the battery cell in the length direction; the curb plate sets up at electric core both ends on the width direction, and the curb plate is fixed with the connecting portion 2 welded fastening of two adjacent end plates 100. End plate 100 is the metal material among the prior art, and the quality is heavier, replaces into the plastics material through the metal material with in the part end plate 100, has alleviateed end plate 100's weight, has reduced the module cost, has promoted module energy density, does not influence the welding of end plate 100 and curb plate simultaneously, uses above-mentioned electric core subassembly, and the duration of vehicle is stronger.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.
In the description of the present invention, "a plurality" means two or more.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. An end plate for an electrical core assembly, comprising:
a body section (1);
the connecting parts (2) are arranged at two ends of the body part (1) and fixedly connected with the body part (1); wherein the body part (1) is configured as a plastic part and the connection part (2) is configured as a metal part; wherein
The connecting parts (2) are embedded at two ends of the body part (1), and at least part of the connecting parts (2) extends out of the body part (1) to be welded and fixed with the side plate of the electric core assembly.
2. End plate for an electrical core assembly according to claim 1, wherein the connection part (2) is provided with a claw (201), and the body part (1) is provided with a slot cooperating with the claw (201).
3. End plate for an electrical core assembly according to claim 2, wherein the connection portions (2) are each provided with the jaws (201) in a width direction of the electrical core assembly.
4. End plate for an electrical core assembly according to claim 2, characterised in that the connection portion (2) is further provided with an outwardly protruding bulge (202).
5. The end plate for an electrical core assembly according to claim 4, wherein the protrusion (202) protrudes outwardly by a length of not less than 1 mm.
6. End plate for an electrical core assembly according to claim 1, characterised in that the body part (1) is provided with weight-reducing slots (3) or weight-reducing holes.
7. End plate for an electrical core assembly according to claim 6, wherein the body portion (1) comprises: a mounting plate and a plurality of reinforcing plates (4) disposed outside the mounting plate, the plurality of reinforcing plates (4) being staggered with each other to define the lightening slots (3) with the mounting plate.
8. End plate for an electrical core assembly according to claim 1, characterised in that both ends of the connection part (2) in the height direction protrude out of the body part (1).
9. End plate for an electrical core assembly according to claim 1, wherein the connection portion (2) is provided with a through hole extending longitudinally and adapted for passing a fastener therethrough.
10. An electric core assembly, comprising:
an electric core;
the end plate of any of claims 1-9, disposed at both ends of the cell in a length direction;
the side plates are arranged at two ends of the battery cell in the width direction and are welded and fixed with the connecting parts (2) of the two adjacent end plates.
CN201921914955.2U 2019-11-07 2019-11-07 End plate for electric core assembly and electric core assembly Active CN210723154U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921914955.2U CN210723154U (en) 2019-11-07 2019-11-07 End plate for electric core assembly and electric core assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921914955.2U CN210723154U (en) 2019-11-07 2019-11-07 End plate for electric core assembly and electric core assembly

Publications (1)

Publication Number Publication Date
CN210723154U true CN210723154U (en) 2020-06-09

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Application Number Title Priority Date Filing Date
CN201921914955.2U Active CN210723154U (en) 2019-11-07 2019-11-07 End plate for electric core assembly and electric core assembly

Country Status (1)

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CN (1) CN210723154U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112259864A (en) * 2020-10-23 2021-01-22 上海兰钧新能源科技有限公司 Soft package module, assembly process thereof and electric automobile

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112259864A (en) * 2020-10-23 2021-01-22 上海兰钧新能源科技有限公司 Soft package module, assembly process thereof and electric automobile

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