Module end plate, battery cell module and battery pack

Abstract

The utility model provides a module end plate, a battery cell and a battery pack, and relates to the field of battery structures. A module end plate is provided with a main body, and is characterized in that the main body comprises a first mounting part which is of a concave structure and is used for assembling an output pole; the second mounting part is provided with a plurality of first connecting holes for connecting a water cooling plate and a plurality of second connecting holes for connecting a low-voltage plug-in; and a module assembly part. Therefore, when components such as the output electrode, the water cooling plate and the low-voltage plug-in are assembled, corresponding structures do not need to be independently arranged, so that the space in the battery pack is effectively saved, and the assembly efficiency of the battery cell module is improved.

Description

Technical Field

[0001] The present application relates to the field of battery structures, and in particular, to a module end plate, a battery cell module, and a battery pack Background Art

[0002] The module end plate is one of the essential components in the existing battery cell modules. It can absorb the expansion force of the battery cells, so the structure is usually designed around the theme of "resisting the deformation of the end plate", resulting in the lack of part assembly function in the existing module end plates. For example, in the assembly of output poles, low-voltage plugs, and water-cooled plates, corresponding structures need to be arranged separately for assembly Summary of the Utility Model

[0003] In view of this, the purpose of the present application is to provide a module end plate, a battery cell module, and a battery pack to solve the problem that the existing module end plate lacks part assembly function, resulting in the need to separately arrange corresponding structures for the assembly of output poles, low-voltage plugs, and water-cooled plates

[0004] According to the above purpose, the present utility model provides a module end plate, which forms a main body. Among them, the main body includes:

[0005] A first installation part, formed as a concave structure for assembling the output pole;

[0006] A second installation part, provided with a plurality of first connection holes for connecting the water-cooled plate and a plurality of second connection holes for connecting the low-voltage plug; and

[0007] A module assembly part

[0008] Preferably, the main body is formed as a cuboid plate-like structure

[0009] Preferably, the first installation part is formed as a cuboid-shaped concave structure, and the first installation part penetrates the top end in the height direction of the main body and the first end in the length direction of the main body

[0010] Preferably, along the height direction of the main body, a third connection hole for connecting the output pole is provided at the bottom of the first installation part

[0011] Preferably, along the thickness direction of the main body, clamping holes are respectively provided on two inner side walls of the first installation part facing each other, and the clamping holes can connect the protective cover of the output pole

[0012] Preferably, the second installation part includes at least two of the first connection holes, and the two first connection holes are both located at the top end in the height direction of the main body and are spaced apart along the length direction of the main body

[0013] Preferably, the module assembly part is also located at the top end of the main body in the height direction, and the module assembly part includes a recess formed between the two first connection holes and a fourth connection hole located at the bottom of the recess; the recess penetrates through the first end in the thickness direction of the main body.

[0014] Preferably, the second connection hole is located at the first end in the thickness direction of the main body.

[0015] According to a second aspect of the present invention, a battery cell module is provided, wherein the battery cell module includes the module end plate as described above.

[0016] According to a third aspect of the present invention, a battery pack is provided, wherein the battery pack is provided with the battery cell module as described above.

[0017] According to the module end plate, battery cell module and battery pack of the present invention, the first installation part and the second installation part are arranged on the main body of the module end plate so as to be respectively corresponding to assemble the output pole, the water-cooling plate and the low-voltage plug-in; in addition, through the module assembly part, the module end plate can be correspondingly assembled with the battery cells to form a battery cell module. In this way, when assembling components such as the output pole, the water-cooling plate and the low-voltage plug-in, there is no need to separately arrange the corresponding structures, thereby effectively saving the space inside the battery pack and improving the assembly efficiency of the battery cell module.

[0018] In order to make the above objects, features and advantages of the present application more obvious and understandable, the following specific preferred embodiments are given and described in detail in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required to be used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.

[0020] Figure 1 is a schematic diagram of a module end plate according to an embodiment of the present invention;

[0021] Figure 2 is an assembly schematic diagram of a module end plate according to an embodiment of the present invention.

[0022] Reference numerals: 11 - first installation part; 12 - clamping hole; 13 - third connection hole; 21 - first connection hole; 22 - second connection hole; 23 - groove; 31 - recess; 32 - fourth connection hole; 41 - lifting hole; 51 - water-cooling plate; 52 - low-voltage plug-in; 53 - output pole; 54 - protective cover. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] The following specific embodiments are provided to assist the reader in obtaining a comprehensive understanding of the methods, devices, and / or systems described herein. However, after understanding the disclosure of the present application, various changes, modifications, and equivalents of the methods, devices, and / or systems described herein will be apparent. For example, the order of operations described herein is merely exemplary and is not limited to the order set forth herein. Rather, changes that will be apparent after understanding the disclosure of the present application may be made, except for operations that must occur in a specific order. In addition, descriptions of features known in the art may be omitted for the sake of clarity and conciseness.

[0024] The features described herein may be implemented in different forms and should not be construed as limited to the examples described herein. Rather, the examples described herein are provided only to illustrate some of the many possible ways of implementing the methods, devices, and / or systems described herein that will be apparent after understanding the disclosure of the present application.

[0025] Throughout the specification, when an element (such as a layer, region, or substrate) is described as "on" another element, "connected to" another element, "coupled to" another element, "above" another element, or "covering" another element, it may be directly "on", "connected to", "coupled to", "above", or "covering" the other element, or there may be one or more other elements intervening therebetween. In contrast, when an element is described as "directly on" another element, "directly connected to" another element, "directly coupled to" another element, "directly above" another element, or "directly covering" another element, there may be no other elements intervening therebetween.

[0026] As used herein, the term "and / or" includes any one of the listed related items and any combination of any two or more of them.

[0027] Although terms such as "first", "second", and "third" may be used herein to describe various components, components, regions, layers, or parts, these components, components, regions, layers, or parts are not limited by these terms. Rather, these terms are only used to distinguish one component, component, region, layer, or part from another. Thus, the first component, component, region, layer, or part referred to in the examples described herein may also be referred to as the second component, component, region, layer, or part without departing from the teachings of the examples.

[0028] For ease of description, spatial relationship terms such as "above", "upper", "below", and "lower" may be used herein to describe the relationship of one element to another as shown in the accompanying drawings. Such spatial relationship terms are intended to include different orientations of the device in use or operation in addition to the orientation depicted in the accompanying drawings. For example, if the device in the accompanying drawings is flipped, an element described as "above" or "upper" relative to another element will then be "below" or "lower" relative to the other element. Thus, the term "above" includes both the orientations of "above" and "below" depending on the spatial orientation of the device. The device may also be positioned in other ways (e.g., rotated 90 degrees or in other orientations), and the spatial relationship terms used herein will be interpreted accordingly.

[0029] The terms used herein are for the purpose of describing various examples only and are not intended to limit the present disclosure. Unless the context clearly dictates otherwise, the singular forms are also intended to include the plural forms. The terms "comprising", "including", and "having" enumerate the stated features, quantities, operations, components, elements, and / or combinations thereof that exist, but do not preclude the existence or addition of one or more other features, quantities, operations, components, elements, and / or combinations thereof.

[0030] Due to manufacturing techniques and / or tolerances, variations in the shapes shown in the accompanying drawings may occur. Accordingly, the examples described herein are not limited to the specific shapes shown in the accompanying drawings, but include changes in shape that occur during manufacturing.

[0031] The features of the examples described herein can be combined in various ways that will be apparent after understanding the disclosure of the present application. In addition, although the examples described herein have a variety of configurations, other configurations are possible, as will be apparent after understanding the disclosure of the present application.

[0032] According to the present utility model, a module end plate is provided, as Figures 1 to 2 shown. In this embodiment, the module end plate is formed with a main body, and a first mounting portion 11 for assembling the output pole 53, a second mounting portion for assembling the water-cooling plate 51 and the low-voltage plug-in 52, and a module assembly portion for connecting the battery cells are provided on the main body. Hereinafter, the specific structures of the above-mentioned parts of the module end plate according to the present utility model will be described in detail.

[0033] In this embodiment, as Figures 1 to 2 shown, the main body of the module end plate is formed into a rectangular parallelepiped plate-like structure to correspond to the structure of the battery cells. Specifically, the first mounting portion 11 is formed into a concave structure in the shape of a rectangular parallelepiped to correspond and fit with the output pole 53; further, as Figure 1As shown, the first mounting portion 11 is located at the upper right corner of the main body, and it penetrates the top end in the height direction of the main body and the first end in the length direction of the main body, so that it is convenient to place the output pole 53. More specifically, along the height direction of the main body, a third connection hole 13 for fixing the output pole 53 is provided at the bottom of the first mounting portion 11 to improve the stability of the output pole 53 after assembly. Further, as Figure 1 shown, along the thickness direction of the main body, two inner side walls of the first mounting portion 11 facing each other are respectively provided with clamping holes 12, and the clamping holes 12 can connect the protective cover 54 of the output pole 53 to further improve the stability of the output pole 53 after assembly.

[0034] It should be noted that the specific size of the first mounting portion 11 and the like are not fixed, and should be determined comprehensively according to actual situations such as the shape and size of the output pole 53. In addition, the position and specific form of the third connection hole 13 are not fixed. For example, in this embodiment, the third connection hole 13 is located at the center of the bottom of the first mounting portion 11 and is set as a threaded hole. Similarly, the specifications, positions, etc. of the clamping holes 12 are not specifically limited, as long as they can be stably connected corresponding to the protective cover 54 of the output pole 53 to play a protective role for the output pole 53.

[0035] In this embodiment, as Figures 1 to 2 shown, the second mounting portion includes two first connection holes 21 for connecting the water-cooling plate 51, both of which are located at the top end in the height direction of the main body, and they are arranged at intervals along the length direction of the main body. Specifically, two grooves 23 corresponding to the first connection holes 21 are formed at the first end in the thickness direction of the main body, and a fixing hole corresponding to the first connection hole 21 is provided at one end of each groove 23 facing the top end of the main body to facilitate improving the firmness of the water-cooling plate 51 after assembly. It should be noted that the position, quantity, etc. of the above-mentioned first connection holes 21 are not specifically limited, and should be determined comprehensively according to actual situations such as the assembly holes of the water-cooling plate 51, as long as the stability of the water-cooling plate 51 after assembly can be ensured. In addition, the first connection holes 21 and the fixing holes in this embodiment are both formed as threaded holes.

[0036] Further, the second mounting portion in this embodiment further includes a plurality of second connection holes 22 for connecting the low-voltage plug-in 52, which are formed at the first end in the thickness direction of the main body and are specifically formed as rivet holes. The quantity and position of the second connection holes 22 are also not specifically limited, and can be determined comprehensively according to the quantity and installation position of the low-voltage plug-in 52.

[0037] In addition, as Figures 1 to 2As shown, the module assembly part in this embodiment is also located at the top of the main body in the height direction. Specifically, the module assembly part includes a recess 31 formed between the two first connection holes 21 and a fourth connection hole 32 located at the bottom of the recess 31; in order to facilitate the assembly of the battery cells, the recess 31 penetrates the first end in the thickness direction of the main body. The specific size of the recess 31 and the position of the fourth connection hole 32 are not fixed and should be determined according to the actual assembly requirements of the main body.

[0038] In addition, as Figure 1 shown, a lifting hole 41 is formed at the center of the first end in the thickness direction of the main body in this embodiment, so as to facilitate the lifting of the battery cell module after the main body is connected to the battery cells, thereby facilitating the assembly of the battery cell module with components such as the housing.

[0039] According to the module end plate of the present invention, a first mounting part 11 and a second mounting part are provided on the main body of the module end plate so as to be able to respectively correspond to mount the output electrode 53, the water-cooling plate 51 and the low-voltage plug-in 52; in addition, through the module assembly part, the module end plate can be correspondingly assembled with the battery cells to form a battery cell module. In this way, when assembling components such as the output electrode 53, the water-cooling plate 51 and the low-voltage plug-in 52, there is no need to separately arrange corresponding structures, thereby effectively saving the space in the battery pack and improving the assembly efficiency of the battery cell module.

[0040] According to the second aspect of the present invention, a battery cell module is provided, wherein the battery cell module includes the module end plate as described above.

[0041] According to the third aspect of the present invention, a battery pack is provided, wherein the battery pack is provided with the battery cell module as described above.

[0042] Finally, it should be noted that: the above-described embodiments are only specific embodiments of the present application, used to illustrate the technical solutions of the present application, rather than limiting it. The protection scope of the present application is not limited thereto. Although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: any person skilled in the art within the technical scope disclosed by the present application can still modify the technical solutions recorded in the foregoing embodiments or can easily think of changes, or perform equivalent replacements on some of the technical features; and these modifications, changes or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should all be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A module end plate, formed with a main body, characterized in that: The subject includes: A first mounting portion is formed as a recessed structure for mounting an output pole; A second mounting portion is provided with a plurality of first connection holes for connecting to the water cooling plate and a plurality of second connection holes for connecting to the low-pressure plug-in; and Module assembly department.

2. The module end plate according to claim 1, characterized in that: The main body is formed into a rectangular parallelepiped plate-like structure.

3. The module end plate according to claim 2, characterized in that: The first mounting portion is formed as a rectangular parallelepiped-shaped recessed structure, and the first mounting portion passes through the top end of the main body in the height direction and the first end of the main body in the length direction.

4. The module end plate according to claim 3, characterized in that: Along the height direction of the main body, a third connection hole for connecting the output pole is provided at the bottom of the first mounting portion.

5. The module end plate according to claim 3, characterized in that: Along the thickness direction of the main body, two inner side walls of the first mounting portion facing each other are respectively provided with clamping holes, and the clamping holes can be connected to the protective cover of the output pole.

6. The module end plate according to claim 2, characterized in that: The second mounting portion includes at least two of the first connecting holes, and the two first connecting holes are both located at the top of the main body in the height direction and are spaced apart along the length direction of the main body.

7. The module end plate according to claim 6, characterized in that: The module assembly part is also located at the top of the main body in the height direction, and includes a recess formed between the two first connection holes and a fourth connection hole located at the bottom of the recess; the recess passes through the first end of the main body in the thickness direction.

8. The module end plate according to claim 2, characterized in that: The second connection hole is located at a first end in a thickness direction of the main body.

9. A battery cell module, characterized in that: The battery cell module comprises a module end plate as claimed in any one of claims 1 to 8.

10. A battery pack, characterized in that: The battery pack is provided with the battery cell module as claimed in claim 9.

Images