CN219677491U

CN219677491U - Energy storage module and energy storage module

Info

Publication number: CN219677491U
Application number: CN202320120247.1U
Authority: CN
Inventors: 张波; 梁康华
Original assignee: Guangdong Zhongguang Energy Storage Technology Co ltd
Current assignee: Guangdong Zhongguang Energy Storage Technology Co ltd
Priority date: 2023-01-30
Filing date: 2023-01-30
Publication date: 2023-09-12
Anticipated expiration: 2033-01-30

Abstract

The utility model relates to an energy storage module and an energy storage module. The energy storage module comprises a box shell, a battery cell assembly, a first plug connector and a second plug connector, wherein the box shell comprises a top plate and a bottom plate which are oppositely arranged, the first plug connector and the second plug connector are electrically connected with the battery cell assembly and are arranged in the box shell, the first plug connector protrudes out of the top plate, the second plug connector protrudes out of the bottom plate, and when one energy storage module is stacked on the other energy storage module, the first plug connector of the one energy storage module is matched with the second plug connector of the other energy storage module in a plug connection mode. Above-mentioned energy storage module realizes directly pegging graft through setting up first plug connector and second plug connector and stacks, has reduced the connecting wire in disorder, is favorable to saving the cost of manual assembly on the one hand, is favorable to reducing the potential safety hazard that the connecting wire brought on the other hand.

Description

Energy storage module and energy storage module

Technical Field

The present utility model relates to the field of energy storage, and in particular, to an energy storage module and an energy storage module.

Background

With the development of energy storage technology, an energy storage system or a battery pack is developed, and the energy storage system or the battery pack is generally formed by stacking a plurality of energy storage modules.

The mode of stacking a plurality of energy storage modules in the conventional technology is generally to put the energy storage modules into a stacked mounting box, and then sequentially connect the energy storage modules through connecting wires.

However, the conventional stacked wire connection is complicated and has a safety hazard.

Disclosure of Invention

Based on this, it is necessary to provide an energy storage module and an energy storage module aiming at the problems of complex circuit connection and potential safety hazard in the traditional lamination mode.

The utility model provides an energy storage module, energy storage module includes box shell, electric core subassembly, first plug connector and second plug connector, the box shell includes roof and the bottom plate that sets up relatively, first plug connector and second plug connector with electric core subassembly electricity is connected and installs in the box shell, first plug connector protrusion in the roof, second plug connector protrusion in the bottom plate, when one energy storage module stacks up in another energy storage module the time, one energy storage module first plug connector with another energy storage module the second plug connector grafting cooperation.

Above-mentioned energy storage module realizes directly pegging graft through setting up first plug connector and second plug connector and stacks, has reduced the connecting wire in disorder, is favorable to saving the cost of manual assembly on the one hand, is favorable to reducing the potential safety hazard that the connecting wire brought on the other hand.

In one embodiment, the case housing includes a main housing having a first opening and a second opening at adjacent sides, a side cover connected with the main housing and covering the first opening, and a side plate connected with the main housing and covering the second opening.

In one embodiment, the box housing further includes a fixing plate, and the fixing plate is installed in the main housing and abuts against the battery cell assembly.

In one embodiment, the side cover has a first mounting portion and a second mounting portion that are disposed opposite to each other, the first mounting portion is connected to the top plate, the second mounting portion is connected to the bottom plate, the first mounting portion is used for mounting the first plug connector, and the second mounting portion is used for mounting the second plug connector.

In one embodiment, the first mounting part has a positioning element which is arranged around the circumference of the first plug element.

In one embodiment, the first mounting portion is provided with a limiting plate, the second mounting portion is provided with a limiting block, and when one energy storage module is stacked on the other energy storage module, the limiting plate abuts against the limiting block of the adjacent energy storage module.

In one embodiment, a baffle is disposed at the periphery of the top plate, and a positioning plate is disposed at the periphery of the bottom plate, and when at least 2 energy storage modules are stacked, the positioning plate abuts against the adjacent baffle of the energy storage module.

In one embodiment, the bottom plate is provided with a support member, which abuts against the top plate of an adjacent energy storage module when at least 2 energy storage modules are stacked.

In one embodiment, the top plate is provided with at least one handle.

In one embodiment, the battery cell assembly comprises a battery cell body and a circuit integrated board, wherein the battery cell body is fixed with the circuit integrated board and is fixed in the box shell through insulating glue.

The energy storage module comprises a plurality of energy storage modules, wherein the plurality of energy storage modules are sequentially stacked, so that adjacent energy storage modules are in plug-in fit through the first plug connector and the second plug connector.

Above-mentioned energy storage module has realized through first plug connector and second plug connector that the grafting of a plurality of energy storage modules is range upon range of, has reduced the connecting wire in disorder, is favorable to saving the cost of manual assembly on the one hand, is favorable to reducing the potential safety hazard that the connecting wire brought on the other hand.

Drawings

FIG. 1 is a schematic diagram of an energy storage module according to an embodiment;

FIG. 2 is a schematic diagram of another embodiment of the energy storage module;

FIG. 3 is a schematic view of the structure of the case housing according to an embodiment;

fig. 4 is a schematic structural view of the case housing in another embodiment.

10. An energy storage module; 20. an energy storage module; 100. a case housing; 110. a main housing; 111. a top plate; 1111. a baffle; 112. a bottom plate; 1121. a positioning plate; 113. a first opening; 114. a second opening; 115. a side panel; 116. a back plate; 1161. a convex plate; 120. a side cover; 121. a first mounting portion; 1211. a positioning piece; 1212. a limiting plate; 122. a second mounting portion; 1221. a limiting block; 130. a side plate; 140. a fixing plate; 200. a cell assembly; 210. a cell body; 220. a circuit board; 300. a first plug member; 400. a second plug member; 500. a support; 600. a handle.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Referring to fig. 1-3, in one embodiment, the energy storage module 10 includes a case housing 100, a battery cell assembly 200, a first connector 300 and a second connector 400, where the case housing 100 includes a top plate 111 and a bottom plate 112 disposed opposite to each other, the first connector 300 and the second connector 400 are electrically connected to the battery cell assembly 200 and are disposed in the case housing 100, the first connector 300 protrudes from the top plate 111 of the case housing 100, the second connector 400 protrudes from the bottom plate 112 of the case housing 100 opposite to the top plate 111, and when one energy storage module 10 is stacked on another energy storage module 10, the first connector 300 of one energy storage module 10 is in plug-in engagement with the second connector 400 of the other energy storage module 10. The top plate 111 and the bottom plate 112 refer to two opposing plate surfaces of the present energy storage module 10, and are two plate surfaces for assembling and stacking the energy storage module 10.

Specifically, when the first connector 300 of the above-mentioned one energy storage module 10 is connected with the second connector 400 of the other energy storage module 10, the electrical connection of the two energy storage modules 10 is completed, and the two energy storage modules 10 form the energy storage module 20. Further, when the connection of the next energy storage module 10 is required, only the first connector 300 or the second connector 400 of the module needs to be correspondingly connected to the energy storage module 20.

The energy storage module 10 realizes direct plugging lamination by arranging the first plug connector 300 and the second plug connector 400, thereby reducing messy connecting wires, being beneficial to saving the cost of manual assembly on one hand and reducing the potential safety hazard caused by the connecting wires on the other hand.

As shown in connection with fig. 3, in some embodiments, the case housing 100 includes a main housing 110, a side cover 120, and a side plate 130, the main housing 110 having a first opening 113 and a second opening 114 at adjacent sides, the side cover 120 being connected to the main housing 110 and covering the first opening 113, and the side plate 130 being connected to the main housing 110 and covering the second opening 114. It should be noted that, the main housing 110 has a rectangular parallelepiped shape lacking two surfaces, including a top plate 111 and a bottom plate 112, and a back plate 116 and a side plate 115 connecting the top plate 111 and the bottom plate 112, and a corresponding lacking surface opposite to the side plate 115 is a first opening 113, and a second opening 114 is opposite to the back plate 116. Specifically, the back plate 116 has a small protruding plate 1161 protruding relative to the top plate 111, and the protruding plate 1161 is used to seal a notch formed when the side cover 120 is connected to the first opening 113. In addition, the side cover 120 is connected with the main casing 110 through bolts, and the side cover 120 and the main casing 110 are respectively provided with corresponding bolt holes, and the convex plate 1161 can abut against the side cover 120 when the side cover 120 is close to the main casing 110 for installation, so that the movement of the side cover 120 is limited, the alignment of the bolt holes is facilitated, and the side cover 120 is convenient to install and position.

As shown in connection with fig. 2 and 3, in some embodiments, the case housing 100 further includes a fixing plate 140, and the fixing plate 140 is installed in the case housing 100 and abuts against the battery cell assembly 200. Specifically, the fixing plate 140 serves to limit the movement of the cell assembly 200. The fixing plate 140 is connected to the top plate 111 and the bottom plate 112 by bolts, and is disposed between the side cover 120 and the side panel 115. The fixing plate 140 abuts against one end surface of the battery cell assembly 200, and cooperates with the side panel 115 to sandwich the battery cell assembly 200 therebetween so as to limit the lateral movement of the battery cell assembly 200. The above arrangement of the fixing plate 140 is beneficial to improving the structural stability of the energy storage module 10. It will be appreciated that the movement of the cell assembly 200 in the up-down direction is limited by the top plate 111 and the bottom plate 112, and the movement in the front-back direction is limited by the side plates 130 and the back plate 116. The front-rear direction refers to a direction perpendicular to the plate surface of the back plate 116, the up-down direction refers to a direction perpendicular to the plate surface of the top plate 111 or the bottom plate 112, and the left-right direction refers to a direction perpendicular to the plate surface of the side plate 115, and further, the energy storage module 10 has a rectangular parallelepiped shape, so it is understood that the top plate 111 and the bottom plate 112, the side plate 115 and the side cover 120, and the back plate 116 and the side plate 130 are all disposed in parallel.

As shown in connection with fig. 3, in some embodiments, the side cover 120 has a first mounting portion 121 and a second mounting portion 122 disposed opposite to each other, the first mounting portion 121 is connected to the top plate 111, the second mounting portion 122 is connected to the bottom plate 112, the first mounting portion 121 is used for mounting the first connector 300, and the second mounting portion 122 is used for mounting the second connector 400. Specifically, the side cover 120 includes a side cover main body, a first mounting portion 121 and a second mounting portion 122, where the first mounting portion 121 and the second mounting portion 122 protrude from the same side of the side cover main body and are respectively connected with the top plate 111 and the bottom plate 112, so as to realize connection between the side cover 120 and the case housing 100, preferably, in a bolt connection manner. The first mounting portion 121 and the second mounting portion 122 are separately arranged with the main housing 110, which is simple in structure and is beneficial to the convenience of dismounting the energy storage module 10.

As shown in connection with fig. 2 and 3, in some embodiments, the first mounting portion 121 has a positioning member 1211, and the positioning member 1211 is disposed around the circumferential side of the first connector 300. Specifically, when the energy storage modules 10 are stacked, the positioning member 1211 may perform a positioning function to match the first connector 300 with the second connector 400 in a positioning manner, so as to reduce the alignment difficulty of the first connector 300 and the second connector 400.

In some embodiments, the retainer 1211 is a ring of protrusions protruding from the mounting plane of the first mounting portion 121. As can be appreciated, the positioning member 1211 is disposed around the circumference of the first connector 300, and the second connector 400 protrudes from the bottom plate 112, so that when the first connector 300 and the second connector 400 are assembled, the positioning member 1211 guides the second connector 400 to align with the first connector 300, so that the first connector 300 can be conveniently and fast inserted and engaged with the second connector 400.

As shown in connection with fig. 1 and 3, in some embodiments, the top plate 111 is provided with a baffle 1111 at its periphery, and the bottom plate is provided with a positioning plate 1121 at its periphery, and when at least 2 energy storage modules are stacked, the positioning plate 1121 abuts against the baffle 1111 of the adjacent energy storage module 10. Specifically, when the energy storage module 10 is stacked, the baffle 1111 abuts against the positioning plate 1121 and is used for limiting the stacked energy storage module 10 to move relatively along the direction parallel to the top plate 111, so as to achieve positioning and limiting effects, and thus, the stability of the structure of the stacked energy storage module 10 is improved.

As shown in connection with fig. 3 and 4, in some embodiments, the first mounting portion 121 is provided with a limiting plate 1212, and the second mounting portion 122 is provided with a limiting block 1221, and when one energy storage module 10 is stacked on another energy storage module 10, the limiting plate 1212 abuts against the limiting block 1221 of the adjacent energy storage module 10. Specifically, the limiting block 1221 is a rectangular bump disposed at one end of the second mounting portion 122, and the limiting block 1221 is abutted to the limiting plate 1212, so as to limit the movement of the energy storage module 10 in the left-right direction after stacking, which is simple in structure and beneficial to improving the stability of the structure of the energy storage module 10 after stacking.

As shown in connection with fig. 2-4, in some embodiments, the bottom plate 112 is provided with a support 500, the support 500 abutting the top plate 111 of an adjacent energy storage module 10 when at least 2 energy storage modules 10 are stacked. Specifically, the supporting member 500 may be a strip bump connected to the bottom plate 112, or a sheet metal member bent, which is beneficial to improving the structural stability of the energy storage module 10 after lamination through the arrangement of the supporting member 500.

As shown in connection with fig. 3, in some embodiments, top panel 111 is provided with at least one handle 600. Preferably, the number of the handles 600 is two, and the two handles 600 are respectively installed at both sides of the top plate 111. The convenience of the movable energy storage module 10 is facilitated by the arrangement of the handle 600.

As shown in connection with fig. 2, in some embodiments, the cell assembly 200 includes a cell body 210 and a circuit board 220, and the cell body 210 is fixed to the circuit board 220 and fixed to the case housing 100 by an insulating adhesive. Specifically, the cell 210 is composed of a plurality of cell units. The circuit board 220 is fixed to the battery core 210, which is beneficial to reducing connecting wires and improving integration of the energy storage module 10. In addition, in this embodiment, the fixing of the battery cell assembly 200 is performed by the insulating glue, which is advantageous to reduce the structure that the battery cell assembly 200 is fixed in the case housing 100 and is additionally added, so as to improve the space utilization rate, and meanwhile, the installation procedure is also correspondingly and greatly reduced, so that the production cost of the energy storage module 10 is reduced, and on the other hand, the insulating glue can timely guide out the generated heat of the battery cell assembly 200 through the main housing 110 due to the excellent heat conducting property of the insulating glue, so that the heat dissipation performance of the energy storage module 10 is improved.

As shown in fig. 1 and fig. 2, in an embodiment, the present utility model further provides an energy storage module 20, which includes a plurality of energy storage modules 10 according to any one of the foregoing embodiments, and the plurality of energy storage modules 10 are sequentially stacked, so that adjacent energy storage modules 10 are in plug-in connection with each other through the first plug connector 300 and the second plug connector 400. Specifically, the number of energy storage modules 10 in the energy storage module 20 is determined according to design requirements.

The energy storage module 20 realizes the plugging lamination of the plurality of energy storage modules 10 through the first plug connector 300 and the second plug connector 400, thereby reducing messy connecting wires, being beneficial to saving the cost of manual assembly on one hand and reducing the potential safety hazard brought by the connecting wires on the other hand.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. The utility model provides an energy storage module, its characterized in that, energy storage module includes box shell, electric core subassembly, first plug connector and second plug connector, the box shell includes roof and the bottom plate that sets up relatively, first plug connector and second plug connector with electric core subassembly electricity is connected and installs in the box shell, first plug connector protrusion in the roof, second plug connector protrusion in the bottom plate, when one energy storage module stacks up in another energy storage module, one energy storage module first plug connector with another energy storage module's second plug connector grafting cooperation.

2. The energy storage module of claim 1, wherein the housing includes a main housing having a first opening and a second opening on adjacent sides, a side cover connected to the main housing and covering the first opening, and a side plate connected to the main housing and covering the second opening.

3. The energy storage module of claim 2, wherein the box housing further comprises a securing plate mounted within the main housing and abutting the cell assembly.

4. The energy storage module of claim 2, wherein the side cover has a first mounting portion and a second mounting portion disposed opposite to each other, the first mounting portion being connected to the top plate, the second mounting portion being connected to the bottom plate, the first mounting portion being for mounting the first plug connector, and the second mounting portion being for mounting the second plug connector.

5. The energy storage module of claim 4, wherein the first mounting portion has a locating member disposed around a perimeter of the first plug member.

6. The energy storage module of claim 4, wherein the first mounting portion is provided with a limiting plate, and the second mounting portion is provided with a limiting block, and when one energy storage module is stacked on another energy storage module, the limiting plate abuts against the limiting block of an adjacent energy storage module.

7. The energy storage module according to claim 1, wherein a baffle is provided at a periphery of the top plate, and a positioning plate is provided at a periphery of the bottom plate, and the positioning plate abuts against the baffle of an adjacent energy storage module when at least 2 energy storage modules are stacked.

8. The energy storage module of claim 1, wherein the bottom plate is provided with a support member that abuts the top plate of an adjacent energy storage module when at least 2 of the energy storage modules are stacked.

9. The energy storage module of claim 1, wherein the top plate is provided with at least one handle.

10. The energy storage module of claim 1, wherein the cell assembly comprises a cell body and a circuit board, the cell body and the circuit board being secured together and secured within the housing by an insulating glue.

11. An energy storage module, characterized by comprising a plurality of energy storage modules according to any one of claims 1-10, wherein a plurality of energy storage modules are sequentially stacked, so that adjacent energy storage modules are in plug-in fit with each other through the first plug-in connector and the second plug-in connector.