CN210467934U

CN210467934U - Electricity core support

Info

Publication number: CN210467934U
Application number: CN201921670467.1U
Authority: CN
Inventors: 卢勇; 李立国; 田硕; 华剑锋; 孟庆然
Original assignee: Beijing Key Power Technology Co ltd
Current assignee: Beijing Key Power Technology Co ltd
Priority date: 2019-10-08
Filing date: 2019-10-08
Publication date: 2020-05-05
Anticipated expiration: 2029-10-08

Abstract

The utility model provides an electricity core support, electricity core support includes: the support main body is of a plate type structure, and a plurality of positioning holes are formed in corner positions of the support main body; two upper insulation supports and two lower insulation supports, wherein each insulation support is provided with an end post for being inserted into a corresponding positioning hole of the support main body, a hole for being inserted into the insulation supports and a supporting seat for supporting the stress in the thickness direction of the battery cell. The utility model discloses an electricity core support is compatible strong, satisfies different specification and dimension's electric core, practices thrift the cost greatly. The utility model discloses an electricity core support simple structure only needs the mould of change metal support, does not need to change the plastic support mould, and mould processing cycle is short, practices thrift the cost.

Description

Electricity core support

Technical Field

The utility model relates to a car field that charges especially relates to an electricity core support.

Background

With the national vigorous popularization of new energy electric vehicles, the demand for the output of the power battery system of the vehicle is high, and the power battery and battery grouping industry is developed vigorously. The soft-package battery is favored by more and more PACK enterprises due to the advantages of good safety, light weight, flexible and customizable appearance size and the like. However, the design requirement of the battery core support of the soft package battery is high, and the processing period is long. The popularization and the application of the soft package battery core are seriously restricted.

Current electric core support adopts the metal fin of mould spare to add integral type or split type mould plastic support mode from top to bottom, and its shortcoming is:

1. the metal radiating fins and the plastic supports can only meet the requirement of one cell size;

2. the processing cycle of the plastic support die is more than twice of that of the metal radiating fin die, and the processing time and the yield of the die are seriously influenced by the complicated structure of the cell plastic support die;

3. the wire clamping groove of the existing plastic bracket can not meet the size requirements of acquisition wires with different thicknesses and is easy to be off-line;

4. the insulation protection plate of the existing battery module is often fixed by screws or adhesives and is inconvenient to disassemble and assemble.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the present invention provides a battery cell support to eliminate or improve one or more defects existing in the prior art.

The technical scheme of the utility model as follows:

a cell support, comprising: the support main body is of a plate type structure, and a plurality of positioning holes are formed in corner positions of the support main body; two upper insulation supports and two lower insulation supports, wherein each insulation support is provided with an end post for being inserted into a corresponding positioning hole of the support main body, a hole for being inserted into the insulation supports and a supporting seat for supporting the stress in the thickness direction of the battery cell.

In some embodiments, the two sides of the bracket main body in the vertical direction are both provided with flanges in the same direction, and the flanges, the two upper insulating brackets and the two lower insulating brackets jointly form a limiting space for installing the battery cell.

In some embodiments, the supporting base of the two upper insulating supports is further provided with a beam on the side facing the other upper insulating support, and a space is left between the beams of the two upper insulating supports.

In some embodiments, the two upper insulating supports are mirror images of each other, and the two lower insulating supports are identical or mirror images of each other.

In some embodiments, the side surfaces of the end parts of the two beams close to each other are provided with slots for inserting line protection boards.

In some embodiments, the upper end faces of the two ends of the beams close to each other are further provided with protrusions protruding upwards, holes are formed in the protrusions for fixing the line pressing pieces, and the line pressing pieces are pressed against the protrusions through self-tapping screw fasteners.

In some embodiments, the protrusions of the two upper insulating supports, the wire guard plate and the wire pressing plate form a closed wiring groove.

In some embodiments, the upper end faces of the supporting seats of the two upper insulating supports are provided with buckles for fixing the insulating plate.

In some embodiments, the buckle is provided with a convex spigot, and the insulating plate is provided with a concave spigot for preventing falling.

In some embodiments, the insulating support is a plastic support.

According to the utility model discloses an electricity core support, the beneficial effect that can obtain includes at least:

the utility model discloses an electricity core support is compatible strong, satisfies different specification and dimension's electric core, practices thrift the cost greatly. The utility model discloses an electricity core support simple structure only needs the mould of change metal support, does not need to change the plastic support mould, and mould processing cycle is short, practices thrift the cost.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

It will be appreciated by those skilled in the art that the objects and advantages that can be achieved with the present invention are not limited to the details set forth above, and that these and other objects that can be achieved with the present invention will be more clearly understood from the following detailed description.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the invention. For convenience in illustrating and describing some portions of the present invention, corresponding parts of the drawings may be exaggerated, i.e., may be larger, relative to other components in an exemplary device actually manufactured according to the present invention. In the drawings:

fig. 1 is a schematic diagram of a cell holder in a battery block (block) according to an embodiment of the present invention.

Fig. 2 is a schematic view of a portion of a cell support applied in a battery module according to an embodiment of the present invention.

Fig. 3 is a schematic diagram of a side view of a part of the cell support applied in the battery module according to an embodiment of the present invention.

Fig. 4 is a schematic partial sectional view of an embodiment of the present invention illustrating a fixing manner of an insulating plate.

Fig. 5 is a schematic view of a buckle according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.

It should also be noted that, in order to avoid obscuring the invention with unnecessary details, only the structures and/or process steps that are closely related to the solution according to the invention are shown in the drawings, while other details that are not relevant to the invention are omitted. It should be emphasized that the term "comprises/comprising" when used herein, is taken to specify the presence of stated features, elements, steps or components, but does not preclude the presence or addition of one or more other features, elements, steps or components.

It is also noted herein that the term "coupled," if not specifically stated, may refer herein to not only a direct connection, but also an indirect connection in which an intermediate is present. Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In the drawings, the same reference numerals denote the same or similar parts, or the same or similar steps.

For solving or alleviating laminate polymer battery's among the prior art electric core support design requirement height, processing cycle length scheduling problem, the utility model provides an electric core support. Fig. 1 is a schematic structural diagram of a battery cell support in an embodiment of the present invention.

As shown in fig. 1, in some embodiments, the battery cell support includes a support body 1 and an insulating support 2, and the insulating support 2 includes two upper insulating supports 20 and two lower insulating supports 21. The support main body 1 is mainly used for bearing the mechanical strength and the heat conduction effect of the battery cell, and the insulating support 2 is mainly used for supporting, separating and stressing the battery cell in the thickness direction.

In some embodiments, the bracket main body 1 is a plate-type structure, and a plurality of positioning holes are formed at corner positions of the bracket main body 1. As shown in fig. 1, the left and right sides of the bracket main body 1 may have flanges in the same direction, and the bottom of the bracket main body 1 may also have flanges for assisting in supporting the battery cell. The positioning holes are used for assembling the insulating support 2, and the support body 1 can be made of 0.1-1mm aluminum metal or aluminum alloy metal. The surface of the bracket main body 1 is larger than the end surface of the battery cell.

In some embodiments, the insulating support 2 includes two upper insulating supports 20 and two lower insulating supports 21, each of the upper insulating supports 20 and the lower insulating supports 21 includes an end pillar 202 provided with a corresponding positioning hole for being inserted into the support body 1, a hole 205 for being inserted into each other between the insulating supports, and a support seat 201 for supporting a force applied in the cell thickness direction, and the end pillar 202 is disposed on a side surface of the support seat 201 facing the support body 1. The end posts 202 are detachably inserted into the positioning holes of the bracket body 1, that is, the insulating bracket 2 is detachably or detachably mounted on the bracket body 1. In specific implementation, the end posts 202 may have a certain length, and are used for assembling and positioning the battery blocks (blocks), and spacers with different thicknesses or the same thickness and different numbers may be sleeved on the end posts to adjust the distance between the adjacent battery blocks (blocks), so as to meet the condition of cell thickening. When the cell becomes thin, a buffer is directly added between the cells.

In some embodiments, the height of the frame formed by the two upper insulating supports 20 and the two lower insulating supports 21 is the same as the height of the battery cell, and the two upper insulating supports 20 and the two lower insulating supports 21 are used for defining the positions of the upper edge and the lower edge of the battery cell, respectively. In some embodiments, the two upper insulating supports 20 may be mirror images of each other, and the two lower insulating supports 21 may be the same or mirror images of each other.

In some embodiments, four insulating holders 1 are fitted into corresponding positioning holes of the holder body 1 and turned over toward the holder body 1. Both sides of the vertical direction of the support main body 1 are provided with flanges in the same direction, and the flanges, the two upper insulating supports 20 and the two lower insulating supports 21 jointly form a limiting space for installing a battery cell. The battery cell 3 can be adhered to the bracket main body 1 through an adhesive without a gap and is located in a frame formed by the bracket main body 1, the two upper insulating brackets 20 and the two lower insulating brackets 21.

In some embodiments, as shown in fig. 1 to 3, the supporting base 201 of two upper insulating supports 20 is further provided with a beam 203 on the side facing the other upper insulating support 20, and the beams 203 of the two upper insulating supports are spaced apart. The side surfaces of the end parts of the two cross beams 203 which are close to each other are provided with slots for inserting the line protection plate 5. The upper end faces of the end parts of the two beams 203 which are close to each other are also provided with convex parts 204 which are convex upwards, holes are formed in the convex parts 204 and used for fixing the line pressing pieces 4, and the line pressing pieces 4 are pressed against the convex parts 204 through self-tapping screw fasteners. Wherein, the convex part 204 of the two upper insulating brackets 20, the wire protecting plate 5 and the wire pressing sheet 4 form a closed wiring groove.

In some embodiments, as shown in fig. 2 and 4, the upper end surfaces of the supporting seats 201 of the two upper insulating supports 20 are provided with fasteners 206 for fixing the insulating plate 6. As shown in fig. 5, the buckle 206 is provided with a convex spigot and a concave spigot, the insulating plate 6 is provided with a groove in clearance fit with the concave spigot of the buckle, and the groove width is smaller than the width of the convex spigot for preventing falling.

In practical application, this embodiment provides an application scene of electric core support in battery module, and electric core 3 sets up and constitutes a battery piece (block) on insulating support 2, and the battery module comprises a plurality of battery pieces, and blind hole 205 cooperation with the end post corresponding position on the end post 202 of every insulating support and the supporting seat to link together a plurality of battery pieces in this module. Set up the collection pencil that a group converges by many branches on every battery module, the collection pencil passes through from 5 tops of protecting wire board that the groove of inserting the convex part 204 side root of two mirror images last insulating support 20 passes, but set up a plurality of line ball pieces 4 in protecting wire board 5 top at intervals, two holes of line ball piece 4 are downthehole through self tapping screw twist two mirror images convex part 204 respectively, line ball piece 4, protect wire board 5, the convex part 204 of two mirror images last insulating support 20 forms a confined trough jointly, the pencil is difficult for coming out from the groove. In addition, the wire harness is finally led out and is converged into one wire harness, and the wire harness is pressed through the wire pressing piece 4 at the wire outlet part, so that the wire harness is prevented from being worn in the vibration process.

The top of buckle 206 has the structure that blocks insulation board 6 and break away from the battery module top, and the below of buckle 206 has the structure that leads to breaking away from with the planar motion that prevents of 6 recess tang clearance fit of insulation board, for example, buckle 206 is the bilayer structure that borders on from top to bottom, and the upper strata is the great upper shield layer of terminal surface, prevents that insulation board 6 from upwards moving, and the lower floor is the less lower shield layer of terminal surface, with 6 recess tang clearance fit of insulation board, prevents 6 horizontal migration of insulation board. Insulation board 6 is the plastic sheet, during the installation, and along the width direction bending of electricity core module, the recess tang on the insulation board 6 corresponds with the evagination tang of buckle 206 below, and when recess tang on the insulation board 6 and the evagination tang clearance fit of buckle 206 below were good, the insulation board was pushed down.

In some embodiments, the exit poles of the cells are all generally of a standard width. When the length of the battery cell is changed, the die is only required to be opened again by the support main body 1, the installation fixed gap between the upper insulating support and the lower insulating support is enlarged, and the die does not need to be opened again; when the width of the battery cell is changed, the die is only required to be opened again by the support main body 1, the installation fixed gap in the width direction of the insulating support is enlarged, and the die is not required to be opened again; when the thickness of the battery core becomes thicker, only the gap of the insulating support needs to be filled, and a die does not need to be opened; when the thickness of the battery core becomes thinner, only the battery core gap needs to be filled, and a mold does not need to be opened.

1. the utility model discloses an electricity core support is compatible strong, satisfies different specification and dimension's electric core, practices thrift the cost greatly.

2. The utility model discloses an electricity core support simple structure only needs the mould of change metal support, does not need to change the plastic support mould, and mould processing cycle is short, practices thrift the cost.

3. The utility model discloses an electricity core support is equipped with anticreep structure, and each part cooperation forms confined trough, and the pencil is difficult for coming out from the groove, also prevents to vibrate the in-process wearing and tearing to the pencil.

4. The utility model discloses an electricity core support is equipped with the buckle for fixed insulation board, easy dismounting.

Features that are described and/or illustrated with respect to one embodiment may be used in the same way or in a similar way in one or more other embodiments and/or in combination with or instead of the features of the other embodiments.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and it will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a battery cell support, its characterized in that, battery cell support includes:

the support main body is of a plate type structure, and a plurality of positioning holes are formed in corner positions of the support main body;

two upper insulation supports and two lower insulation supports, wherein each insulation support is provided with an end post for being inserted into a corresponding positioning hole of the support main body, a hole for being inserted into the insulation supports and a supporting seat for supporting the stress in the thickness direction of the battery cell.

2. The battery cell support according to claim 1, wherein the two sides of the support main body in the vertical direction are provided with flanges in the same direction, and the flanges, the two upper insulating supports and the two lower insulating supports jointly form a limiting space for mounting a battery cell.

3. The cell support according to claim 1, wherein the support base of two upper insulating supports is further provided with a beam on a side facing the other upper insulating support, and a space is left between the beams of the two upper insulating supports.

4. The cell support of claim 1 or 3, wherein the two upper insulating supports are mirror images of each other, and the two lower insulating supports are identical or mirror images of each other.

5. The battery cell support according to claim 3, wherein the side surfaces of the ends of the two beams close to each other are provided with insertion slots for inserting wire protection plates.

6. The battery cell support according to claim 5, wherein the upper end surfaces of the ends of the two beams close to each other are further provided with protrusions protruding upwards, the protrusions are provided with holes for fixing the crimping pieces, and the crimping pieces are pressed against the protrusions through self-tapping screw fasteners.

7. The cell support according to claim 6, wherein the protrusions of the two upper insulating supports, the wire guard plates and the wire pressing plates form a closed wiring groove.

8. The battery cell support of claim 1 or 3, wherein the upper end surfaces of the support bases of the two upper insulating supports are provided with buckles for fixing the insulating plate.

9. The battery cell support of claim 8, wherein the buckle is provided with a convex seam allowance, and the insulating plate is provided with a concave seam allowance for preventing dropping.

10. The cell support of claim 1 or 3, wherein the insulating support is a plastic support.