CN213584062U

CN213584062U - Upper cover, battery cell module and battery pack

Info

Publication number: CN213584062U
Application number: CN202022486161.XU
Authority: CN
Inventors: 邱世涛; 陈朝海; 那昊波; 江吉兵
Original assignee: Hubei Eve Power Co Ltd
Current assignee: Hubei Eve Power Co Ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-06-29
Anticipated expiration: 2030-10-30

Abstract

The utility model belongs to the technical field of the battery, a upper cover, electric core module and battery package are specifically disclosed. This upper cover includes roof and two curb plates, and the both ends that the roof is relative are connected with the curb plate respectively, and the roof links to each other with two curb plates and forms U type apron, and the upper portion that the curb plate surpassed the both ends of roof all is connected with the clamp plate perpendicularly, and the connecting hole has been seted up to the clamp plate, and the clamp plate is configured to when electric core module is located to last housing, and the clamp plate can the butt in the end plate of electric core module, and the connecting hole is coaxial with the mounting. When the upper cover is arranged on the battery core module, the pressing plate is abutted to the end plate of the battery core module, and the connecting hole of the pressing plate is coaxial with the mounting hole of the end plate, so that the upper cover and the end plate are fixedly connected through bolts, the welding of the upper cover and the end plate is not needed, the grouped process difficulty of the battery core is reduced, the grouped efficiency of the battery core module is improved, and the assembling cost of the battery core module is reduced. Simultaneously, the clamp plate is formed at the upper cover, has improved the structural strength of upper cover, is favorable to improving the intensity of electric core module.

Description

Upper cover, battery cell module and battery pack

Technical Field

The utility model belongs to the technical field of the battery, especially, relate to an upper cover, electric core module and battery package.

Background

In the new energy automobile industry, the laminate polymer battery module can have an upper cover to wrap up laminate polymer battery core, plays the shell effect.

This upper cover generally is U type protection casing, and the curb plate of upper cover need with the metal end plate welded fastening of electric core module, and the metal end plate has can supply screw rod male hole site to fix electric core module on the box. When the battery cell module is manufactured in groups, the welding treatment reduces the grouping efficiency. And the welding process is complicated, increasing the manufacturing cost.

Therefore, an upper cover, a cell module and a battery pack are needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an upper cover to solve electric core module and in groups inefficiency, the higher problem of cost.

To achieve the purpose, the technical proposal adopted by the utility model is that:

the utility model provides an upper cover, includes roof and two curb plates, the both ends that the roof is relative are connected with respectively the curb plate, the roof with two the curb plate links to each other and forms U type apron, the curb plate surpasss the upper portion at the both ends of roof all is connected with the clamp plate perpendicularly, the connecting hole has been seted up to the clamp plate, the clamp plate is configured to be in when electric core module is located to the upper cover, the clamp plate can the butt in the end plate of electric core module, just the connecting hole with the mounting hole of end plate is coaxial.

Preferably, both ends of the side plate, which exceed the top plate in the length direction, are provided with stepped structures, and stepped parts of the stepped structures are bent towards the inside of the U-shaped cover plate vertically to form the pressing plate.

Preferably, the outer edge of the pressure plate extends vertically with a baffle, and the baffle can be pressed against the side wall of the end plate.

Preferably, the baffle is a right-angled triangular plate.

Preferably, one right-angle side of the baffle is connected with the pressure plate, and the other right-angle side of the baffle is welded to the outer edge of the corresponding side plate.

Preferably, the side plate is further provided with a fixing hole, and the side plate can be fixedly connected with the end plate through the fixing hole.

Preferably, the top plate is recessed toward the outside of the U-shaped cover plate to form a reinforcement.

Another object of the utility model is to provide an electricity core module to solve electric core module and in groups inefficiency, the higher problem of cost.

a battery cell module comprises the upper cover.

Preferably, the end plate of the cell module is a plastic plate.

Another object of the present invention is to provide a battery pack to solve the problem that the battery cell module is low in grouping efficiency and high in cost.

a battery pack comprises the battery cell module.

The utility model has the advantages that:

the utility model provides an upper cover, when electric core module is located to the upper cover, the clamp plate butt in the end plate of electric core module, and the connecting hole on the clamp plate is coaxial with the mounting hole of end plate for upper cover and end plate pass through bolted connection fixed, need not upper cover and end plate welded connection, have reduced the unitized technology degree of difficulty of electric core, have improved the efficiency in groups of electric core module, have reduced the equipment cost of electric core module. Simultaneously, the clamp plate is formed at the upper cover, has improved the structural strength of upper cover, is favorable to improving the intensity of electric core module.

The utility model provides an electricity core module, including foretell upper cover. Need not upper cover and end plate welding, reduced the technology degree of difficulty of electric core in groups, improved the efficiency in groups of electric core module, reduced the equipment cost of electric core module, improved the intensity of electric core module. Simultaneously can replace the metal end plate for the plastics end plate, reduce the weight and the cost of electric core module.

The utility model provides a battery pack, including foretell electric core module. Need not upper cover and end plate welding, reduced the technology degree of difficulty of electric core in groups, improved the efficiency in groups of electric core module, reduced the equipment cost of electric core module, improved the intensity of electric core module. Simultaneously can replace the metal end plate for the plastics end plate, reduce the weight and the cost of electric core module.

Drawings

Fig. 1 is a schematic structural diagram of an upper cover according to an embodiment of the present invention.

The component names and designations in the drawings are as follows:

1. a top plate; 11. a reinforcing portion; 2. a side plate; 21. pressing a plate; 211. connecting holes; 22. a baffle plate; 23. a fixing hole; 24. a first step; 25. a second step.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1, the present embodiment discloses an upper cover. This upper cover includes roof 1 and two curb plates 2, roof 1 relative both ends are connected with curb plate 2 respectively, roof 1 links to each other with two curb plates 2 and forms U type apron, the upper portion that curb plate 2 surpassed roof 1 both ends all is connected with clamp plate 21 perpendicularly, clamp plate 21 has seted up connecting hole 211, clamp plate 21 is configured to when electric core module is located to last housing, clamp plate 21 can the butt in the end plate of electric core module, and connecting hole 211 is coaxial with the mounting hole of end plate.

When the last housing of this embodiment was located electric core module, the clamp plate 21 butt in the end plate of electric core module, and the connecting hole 211 of clamp plate 21 is coaxial with the mounting hole of end plate for the upper cover passes through bolted connection with the end plate and fixes. Need not upper cover and end plate welding, reduced the technology degree of difficulty that electric core is in groups, improved the efficiency in groups of electric core module, reduced the assembly cost of electric core module. Simultaneously, clamp plate 21 is formed at the upper cover, has improved the structural strength of upper cover, is favorable to improving the intensity of electric core module.

The embodiment also discloses a battery cell module (not shown in the figure). This electricity core module includes foretell upper cover. The upper cover in this electric core module need not to carry out welded fastening with the end plate, and consequently, the end plate of the electric core module of this embodiment is the plastic slab, has reduced the weight of electric core module, has realized the lightweight of electric core module.

It should be noted that the end plate of this embodiment has a stepped structure, the number of the mounting holes on the end plate is two, and the two mounting holes are located at two ends of the stepped surface of the stepped structure and correspond to the connecting holes 211 at the same end of the two side plates 2 one to one. Specifically, when the connection hole 211 is coaxial with the mounting hole, the fastening bolt may sequentially pass through the connection hole 211 and the mounting hole to fix the upper cover and the end plate to the bottom plate of the cell module together.

As shown in fig. 1, the two ends of the side plate 2, which extend beyond the top plate 1 in the length direction, have a stepped structure, and the stepped portion of the stepped structure is bent vertically toward the inside of the U-shaped cover plate to form a pressing plate 21. The step structure of the side plate 2 can be matched with the step structure of the end plate so as to realize the matched installation of the end plate and the side plate 2.

Specifically, the step structure of the side plate 2 includes a first step 24 and a second step 25 connected, and the height of the first step 24 is smaller than the height of the second step 25. The step portion of the first step 24 is bent by a sheet metal to form the pressing plate 21. The clamp plate 21 provides the spacing of vertical direction for the equipment of upper cover, has improved the equipment precision of electric core module and has organized efficiency.

Preferably, the side plate 2 is further provided with a fixing hole 23, and the side plate 2 can be fixedly connected with the end plate through the fixing hole 23. Specifically, the below of the second step 25 of curb plate 2 is provided with four fixed orificess 23 along the direction of height interval of curb plate 2, and fastening bolt can pass through fixed orificess 23 and end plate fixed connection, has realized upper cover and end plate at electric core module width direction's fixed connection, has further improved electric core module's intensity and stability. Of course, the fixing hole 23 may be one, two, three, or five or more. The fixing holes 23 are only required to be capable of realizing the bolt connection of the side plates 2 and the end plates, and are not particularly limited in terms of the specific size and the opening position thereof.

As shown in fig. 1, a baffle 22 extends vertically from the outer edge of the pressing plate 21, and the baffle 22 can press against the side wall of the end plate. Specifically, the baffle 22 and the pressing plate 21 are of an integrally formed metal plate bending structure, so that the strength of the upper cover is improved. When clamp plate 21 and end plate bolted connection, baffle 22 supports and presses in the lateral wall of end plate, has increased the extrusion force of end plate to electric core, and does benefit to the intensity that improves electric core module.

Preferably, the baffle 22 is a right angle triangular plate, reducing the weight of the baffle 22. Specifically, one of the legs of the baffle 22 is connected to the platen 21 and the other leg is welded to the outer edge of the corresponding side panel 2. The baffle 22 is welded to the edge of the side panel 2 to further increase the strength and rigidity of the upper cover.

Preferably, the top plate 1 is recessed toward the outside of the U-shaped cover plate to form a reinforcement 11. The intensity of upper cover can be improved to the rib 11, increases the internally mounted volume of electric core module, and is favorable to the heat dissipation of electric core module. The reinforcing portion 11 of the present embodiment is three rectangular covers that are constructed on the top plate 1 at equal intervals. Of course, the reinforcing part 11 may be a circular cover or a polygonal cover, and the specific number and distribution position of the reinforcing part 11 are not particularly limited.

The embodiment also discloses a battery pack (not shown in the figure), which comprises the battery cell module. Need not upper cover and end plate welding, reduced the technology degree of difficulty that electric core is in groups, improved the efficiency in groups of electric core module, reduced the assembly cost of electric core module. Simultaneously can replace the metal end plate for the plastics end plate, reduce the weight and the cost of electric core module.

The above embodiments have been described only the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and is not departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an upper cover, its characterized in that, includes roof (1) and two curb plates (2), roof (1) relative both ends are connected with respectively curb plate (2), roof (1) and two curb plate (2) link to each other and form U type apron, curb plate (2) surpass the upper portion at the both ends of roof (1) all is connected with clamp plate (21) perpendicularly, connecting hole (211) have been seted up in clamp plate (21), clamp plate (21) are configured to when electric core module was located to the upper cover, clamp plate (21) can the butt in the end plate of electric core module, just connecting hole (211) with the mounting hole of end plate is coaxial.

2. The upper cover according to claim 1, wherein the two ends of the side plate (2) beyond the top plate (1) in the length direction have a step structure, and the step part of the step structure is vertically bent towards the inside of the U-shaped cover plate to form the pressing plate (21).

3. The upper cover according to claim 1, characterized in that a baffle (22) extends vertically from the outer edge of the pressure plate (21), and the baffle (22) can press against the side wall of the end plate.

4. The upper cover according to claim 3, wherein the baffle plate (22) is a right-angled triangular plate.

5. The upper cover according to claim 4, characterized in that one cathetus of the baffle (22) is connected to the pressure plate (21) and the other cathetus is welded to the outer edge of the corresponding side plate (2).

6. The upper cover according to claim 1, wherein the side plate (2) is further provided with a fixing hole (23), and the side plate (2) can be fixedly connected with the end plate through the fixing hole (23).

7. The upper cover according to claim 1, wherein the top plate (1) is recessed toward the outside of the U-shaped cover plate to form a reinforcement (11).

8. A battery cell module, characterized by comprising the upper cover of any one of claims 1-7.

9. The cell module of claim 8, wherein the end plate is a plastic plate.

10. A battery pack comprising the cell module of claim 9.