CN219591564U - End plate of battery module - Google Patents

Abstract

The utility model provides a battery module end plate, which relates to the technical field of battery modules and comprises an end plate body, wherein an accommodating cavity with two open ends is formed in the end plate body, the accommodating cavity is an accommodating space for accommodating a battery bulge, a reinforcing part is arranged in the accommodating cavity and at one side far away from the battery, and a plurality of radiating grooves are formed in the reinforcing part.

Description

End plate of battery module

Technical Field

The utility model relates to the technical field of battery modules, in particular to a battery module end plate.

Background

When the battery module is assembled, a plurality of battery cells are cleaned firstly, one adjacent surface of each of the two adjacent battery cells is coated with glue, after the battery cells are glued together, the battery cells are wrapped by connecting the battery cells in a head-to-tail welding mode or a bolt mode and the like through the two side plates and the two end plates, and the installation of the battery module is completed.

The battery is heated and can appear the swell phenomenon, because summer temperature is high, the phenomenon that the battery in the battery module in the new forms of energy electric car appears the swell more easily, and the battery module is after the installation, when the battery appears the swell phenomenon, the extrusion force that the battery produced can act on curb plate and end plate, because the end plate is direct to the position of battery swell, lead to the end plate to need have stronger bending resistance ability than the curb plate to prevent the end plate bending deformation back, when the battery swell because of the temperature reduces for a short time, the unable battery of closely laminating of end plate causes battery module's not hard up.

At present, in order to increase the strength of the end plate, the prior battery module adopts a thickened end plate or a reinforcing rib is arranged at a proper position on the end plate, so that the strength of the end plate is increased, the overall weight of the battery module can be increased in the above-mentioned solution although the solution is simpler, and meanwhile, more space positions are occupied, so that the battery module needs to be further improved.

Disclosure of Invention

The utility model aims to provide a battery module end plate, which aims to solve the problems that in the prior art, a battery module adopts a thickened end plate or a reinforcing rib is arranged at a proper position on the end plate, so that the strength of the end plate is increased, and the whole weight of the battery module is increased while the solution is simpler, and more space positions are occupied.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the battery module end plate comprises an end plate body, two ends of which are provided with accommodating cavities, the accommodating cavities are accommodating spaces for accommodating battery bulges, one side, far away from the battery, of the inner part of the accommodating cavities is provided with a reinforcing part, and the reinforcing part is provided with a plurality of radiating grooves.

Preferably, the reinforcing member is a mesh plate, the mesh plate is composed of a plurality of ribs with triangular cross sections, which are longitudinally and transversely interwoven, and one end, close to the battery, of the ribs is a plane.

Preferably, the solar cell module further comprises a heat dissipation pad with a compression function, wherein the heat dissipation pad is positioned in the accommodating cavity and between the grid plate and the battery, and two ends of the heat dissipation pad are respectively contacted with the plane sides of the ribs and the outer surface of the battery.

Preferably, a plurality of heat dissipation holes are formed in the outer surface of the heat dissipation pad.

Preferably, the heat dissipation pad is a silicone grease pad.

Preferably, the area of the accommodating cavity near the battery side is not more than 80% of the area of the battery side.

Preferably, the thickness of the reinforcing member is the same as the thickness of the heat dissipation pad when it is stretched, and the sum of the thicknesses of the reinforcing member and the heat dissipation pad is the same as the thickness of the end plate body.

The beneficial effects of the utility model are as follows:

this kind of battery module end plate, under the condition that does not change end plate body thickness, can hold the unnecessary volume that battery inflation or swell produced through holding the chamber to reduce the extrusion force that battery inflation or swell caused to the end plate body, can consolidate the end plate body through the reinforcement member under the unchangeable circumstances of end plate body's volume, when consolidating, weight becomes light, occupation space position diminishes simultaneously, convenient to use.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the present utility model.

Fig. 2 is a schematic structural view of a reinforcing member according to an embodiment of the present utility model.

Fig. 3 is a schematic structural diagram of a heat dissipation pad according to an embodiment of the present utility model.

In the figure: 1. an end plate body; 2. a receiving chamber; 3. a reinforcing member; 4. a heat sink; 5. a heat dissipation pad; 6. a battery; 7. and the heat dissipation holes.

Detailed Description

The following describes the embodiments of the present utility model further with reference to the drawings.

As shown in fig. 1-3, a battery module end plate comprises an end plate body 1, a containing cavity 2 with two open ends is formed in the end plate body 1, the containing cavity 2 is a containing space for containing a bulge of a battery 6, a reinforcing part 3 is arranged in the containing cavity 2 and on one side far away from the battery 6, and a plurality of heat dissipation grooves 4 are formed in the reinforcing part 3.

In this embodiment, when the equipment of battery 6 module is accomplished, under the circumstances that battery 6 is heated and is appeared normal inflation or swell, the battery 6 that is located battery 6 module both ends appears the part that expands or swell, enter into the holding chamber 2 of end plate body 1, hold chamber 2 and be arranged in consuming the produced pressure in battery 6 inflation or swell, after the pressure transfer, the pressure that battery 6 inflation or swell produced acts on the outer frame of end plate body 1 can reduce, under the cooperation of reinforcement part 3, can effectually weaken the pressure to end plate body 1 in battery 6 normal inflation or swell scope, prevent end plate body 1 deformation, make battery 6 can not cause serious harm to end plate body 1 when being heated and returning to normal time, when the device is in use, under the condition that does not change end plate body 1 thickness, can hold the unnecessary volume that battery 6 inflation or swell produced through holding chamber 2, thereby reduce the extrusion force that battery 6 inflation or swell produced to end plate body 1, can not consolidate body 1 under the condition that end plate body 1 is consolidated through reinforcement part 3, the weight becomes light, and simultaneously, the end plate is convenient for use, the space is changed, and is light and the weight is changed.

In another specific embodiment of the present utility model, the reinforcing member 3 is a mesh plate, the mesh plate is formed by a plurality of ribs with cross sections of triangle cross sections, one end of each rib, which is close to the battery 6, is a plane, the mesh plate is made of aluminum alloy, and has strong heat dissipation capability, so that when the heat generated by the battery 6 is transferred to the mesh plate while the end plate body 1 is reinforced, the heat can be quickly transferred from one side of the mesh plate to the other side, the temperature of the battery 6 side is reduced, the use and storage of the battery 6 are facilitated, the external surface of the battery 6 is not scratched after the plane side of each rib contacts with the battery 6, and the appearance of the battery 6 is protected.

Further, the solar cell heat dissipation device further comprises a heat dissipation pad 5 with a compression function, the heat dissipation pad 5 is located inside the accommodating cavity 2 and located between the grid plate and the battery 6, two ends of the heat dissipation pad 5 are respectively contacted with the plane sides of the ribs and the outer surface of the battery 6, two side end faces of the heat dissipation pad 5 are respectively and continuously contacted with the grid plate and the battery 6, heat generated by the battery 6 can be quickly transferred to the grid plate and is discharged outwards through the grid plate, and meanwhile, the heat dissipation pad 5 can also occupy a part of the volume of the accommodating cavity 2 to prevent the volume change of the battery 6 from being overlarge.

Further, a plurality of heat dissipation holes 7 are formed in the outer surface of the heat dissipation pad 5, the heat dissipation holes 7 are used for reducing material cost, when the heat dissipation pad 5 is extruded, the cross-sectional area of the heat dissipation holes 7 is reduced, at the moment, the area between the heat dissipation holes 7 and the battery 6 is correspondingly reduced, and the heat dissipation pad 5 can still effectively dissipate heat of the battery 6.

Furthermore, the heat dissipation pad 5 is a silicone grease pad, and the pad made of silicone grease material has excellent heat dissipation rate and elasticity, and is convenient to produce and manufacture.

Further, the area of the accommodating cavity 2 near the battery 6 is not more than 80% of the area of the battery 6, so that the outer edge of the end plate body 1 has enough strength to resist the change in volume of the battery 6, and when the area of the battery 6 is 80%, the strength of the end plate body 1 and the material cost of the end plate body 1 are in excellent states.

Further, the thickness of the reinforcing member 3 is the same as the thickness of the heat dissipation pad 5 when it is stretched, and the sum of the thicknesses of the two is the same as the thickness of the end plate body 1.

Working principle: when the equipment of battery 6 module is accomplished, under the condition that battery 6 is heated and is appeared normal inflation or swell, the part that inflation or swell appear in battery 6 that is located battery 6 module both ends, enter into the holding chamber 2 of end plate body 1, holding chamber 2 is arranged in consuming the produced pressure in battery 6 inflation or swell, after the pressure transfer, the pressure that battery 6 inflation or swell produced acts on the outer frame of end plate body 1 can reduce, under the cooperation of grid plate, can effectually weaken the pressure to end plate body 1 in battery 6 normal inflation or swell scope, prevent end plate body 1 deformation, make battery 6 return to normal time and can not cause serious harm to end plate body 1 after being heated, the device is when using, under the condition that does not change end plate body 1 thickness, can hold the unnecessary volume that battery 6 inflation or swell produced through holding chamber 2, thereby reduce battery 6 inflation or swell to end plate body 1's extrusion force that end plate body 1 can consolidate end plate body 1 under the unchangeable condition of volume through the grid plate, while reinforcing end plate body 1, weight is lighter, and space occupation is reduced, and simultaneously, the space is reduced.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (7)

1. The utility model provides a battery module end plate, includes end plate body (1), characterized by, offer both ends open-ended on end plate body (1) and hold chamber (2), hold chamber (2) for being used for holding the accommodation space that battery (6) swelled, hold the inside of chamber (2) and keep away from one side of battery (6) and be provided with reinforcement member (3), be provided with a plurality of radiating grooves (4) on reinforcement member (3).

2. The battery module end plate according to claim 1, wherein the reinforcing member (3) is a mesh plate composed of a plurality of vertically and horizontally interleaved ribs having a triangular cross section, and one end of the rib adjacent to the battery (6) is a plane.

3. The battery module end plate according to claim 2, further comprising a heat dissipation pad (5) having a compression function, the heat dissipation pad (5) being located inside the accommodation chamber (2) and between the mesh plate and the battery (6), both ends of the heat dissipation pad (5) being in contact with the planar sides of the ribs and the outer surfaces of the battery (6), respectively.

4. A battery module end plate according to claim 3, characterized in that the outer surface of the heat dissipation pad (5) is provided with a plurality of heat dissipation holes (7).

5. The battery module end plate according to claim 4, wherein the heat dissipation pad (5) is a silicone gasket.

6. The battery module end plate according to any one of claims 1 to 5, wherein the area of the side of the receiving chamber (2) adjacent to the battery (6) is not more than 80% of the area of the side of the battery (6).

7. A battery module end plate according to claim 3, wherein the reinforcing member (3) has the same thickness as the heat dissipation pad (5) when stretched, and the sum of the thicknesses is the same as the thickness of the end plate body (1).