CN220021399U - Battery system boundary beam and battery system - Google Patents

Abstract

The utility model discloses a battery system boundary beam and a battery system, wherein the battery system boundary beam comprises: the shell is provided with a mounting groove; the conductive connecting layer is arranged in the mounting groove and is used for conducting connection with the pole of the battery cell; the runner layer is arranged in the mounting groove, the runner layer is positioned at one side of the conductive connecting layer, which faces the battery cell, and the shell is provided with a water inlet and a water outlet which are communicated with the runner layer; and the insulating layer is arranged between the conductive connecting layer and the runner layer. According to the battery system side beam, the conductive connecting layer, the insulating layer and the runner layer are arranged on the mounting groove in advance, so that the overall structural strength of the battery system side beam is improved, the mounting space of the conductive connecting layer and the like is reduced, the mounting mode of mounting the battery in the shell after the battery is convenient to use, the conductive function, the insulating function and the heat dissipation function are integrated, the space occupation ratio of the battery system is effectively reduced, and the quick heat dissipation of the battery terminal post is facilitated.

Description

Battery system boundary beam and battery system

Technical Field

The utility model relates to the technical field of battery manufacturing, in particular to a battery system side beam and a battery system.

Background

The boundary beam structure of the battery system in the prior art is mainly used for fixing batteries and has single function. The battery is connected with the battery through the connecting sheet, and the battery core is welded or riveted with the connecting sheet to form a module or a battery pack, and then the module or the battery pack is installed or connected with the shell, and the design scheme in the prior art needs to avoid the installation space in advance.

Disclosure of Invention

The utility model aims to provide a battery system side beam and a new technical scheme of a battery system, which at least can solve the problems that in the prior art, an installation space needs to be avoided in advance.

In a first aspect of the present utility model, there is provided a battery system side rail comprising: the shell is provided with a mounting groove; the conductive connecting layer is arranged in the mounting groove and is used for conducting connection with the pole of the battery core; the runner layer is arranged in the mounting groove, the runner layer is positioned on one side of the conductive connecting layer, which faces the battery cell, and the shell is provided with a water inlet and a water outlet which are communicated with the runner layer; and the insulating layer is arranged between the conductive connecting layer and the runner layer.

Optionally, the conductive connection layer, the runner layer and the insulating layer are integrally provided with the housing.

Optionally, the conductive connection layer is adhesively connected or pressure-bonded with the runner layer.

Optionally, the runner layer is formed as an integral piece with the housing.

Optionally, the runner layer is adhesively connected with the housing.

Optionally, the water inlet and the water outlet are both arranged on one side of the shell, which is opposite to the conductive connection layer.

Optionally, the flow channel layer includes: the water inlet main runner is communicated with the water inlet; the water outlet main flow passage is communicated with the water outlet; and one end of each branch flow passage is communicated with the water inlet main flow passage, and the other end of each branch flow passage is communicated with the water outlet main flow passage.

Optionally, the water inlet main runner and the water outlet main runner are oppositely arranged at two sides of the mounting groove, and a plurality of the branch runners are arranged in rows.

Optionally, the mounting grooves are multiple, the mounting grooves are arranged in rows on the shell, and each mounting groove is internally provided with the conductive connecting layer, the insulating layer and the runner layer.

In a second aspect of the present utility model, there is provided a battery system including the battery system side rail described in the above embodiment.

According to the battery system side beam, the mounting groove is formed in the shell, and the conductive connecting layer, the insulating layer and the runner layer are arranged on the mounting groove in advance, so that the overall structural strength of the battery system side beam is improved, the mounting space of the conductive connecting layer and the like is reduced, and a mounting mode of mounting the battery in the shell after the battery is conveniently adopted. Meanwhile, through the preset arrangement of the conductive connecting layer, the insulating layer and the runner layer on the mounting groove, the side beam of the battery system can be guaranteed to have the conductive function, the insulating function and the heat dissipation function, structures such as connecting sheets and the like are not required to be arranged on the battery, the pole of the battery can be directly connected with the conductive connecting layer of the side beam of the battery system, the arrangement of parts of the battery is reduced, the space occupation ratio of the battery system is effectively reduced, and the quick heat dissipation of the pole of the battery is facilitated.

Other features of the present utility model and its advantages will become apparent from the following detailed description of exemplary embodiments of the utility model, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.

FIG. 1 is a cross-sectional view of a battery system side rail according to an embodiment of the present utility model;

FIG. 2 is another cross-sectional view of a battery system side rail according to an embodiment of the present utility model;

fig. 3 is a schematic structural view of a case of a battery system side rail according to an embodiment of the present utility model;

fig. 4 is a cross-sectional view of a case of a battery system side rail according to an embodiment of the present utility model;

fig. 5 is a cross-sectional view of a flow channel layer of a battery system side rail according to an embodiment of the present utility model.

Reference numerals:

a housing 10; a mounting groove 11;

a conductive connection layer 20;

a runner layer 30; a water inlet main flow passage 31; a water outlet main flow passage 32; a branch flow passage 33; a water inlet 34; a water outlet 35;

an insulating layer 40.

Detailed Description

Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise.

The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses.

Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description and claims of the present utility model, the terms "first," "second," and the like, if any, may include one or more of those features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

In the description of the present utility model, it should be understood that, if 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. are referred to, the positional relationship indicated based on the drawings is merely for convenience of description and simplification of the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the utility model.

In the description of the present utility model, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, unless otherwise specifically defined and limited. For example, the connection can be fixed connection, detachable connection or integrated connection; 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 can be understood by those of ordinary skill in the art according to the specific circumstances.

A battery system side rail according to an embodiment of the present utility model is described in detail below with reference to the accompanying drawings.

As shown in fig. 1 and 2, the battery system side rail according to the embodiment of the present utility model includes a case 10, a conductive connection layer 20, a flow path layer 30, and an insulation layer 40.

Specifically, the housing 10 is provided with a mounting groove 11, the conductive connection layer 20 is disposed in the mounting groove 11, and the conductive connection layer 20 is used for conducting connection with the terminal of the battery cell. The runner layer 30 is arranged in the mounting groove 11, the runner layer 30 is positioned on one side of the conductive connecting layer 20 facing the battery core, and the shell 10 is provided with a water inlet 34 and a water outlet 35 which are communicated with the runner layer 30. An insulating layer 40 is provided between the conductive connection layer 20 and the runner layer 30.

In other words, referring to fig. 1 and 2, the battery system side rail according to the embodiment of the present utility model is mainly composed of a case 10, a conductive connection layer 20, a flow path layer 30, and an insulation layer 40. Wherein, be provided with mounting groove 11 on the casing 10, conductive connection layer 20 can set up in mounting groove 11 in advance, and conductive connection layer 20 mainly used is connected with the utmost point post conduction of electric core, need not to set up connection structure such as connection piece on the electric core, can be with electric core utmost point post direct and conductive connection layer 20 connection. Through arranging conductive connection structure on battery system boundary beam in advance, can effectively reduce the installation space of connecting pieces such as conductive connection layer, be convenient for adopt the installation mode of packing into the casing behind the battery, reduce the part setting of battery, reduce battery system's space ratio.

The runner layer 30 is disposed in the mounting groove 11, and the runner layer 30 is disposed on a side of the conductive connection layer 20 facing the battery cell. The shell 10 is provided with a water inlet 34 and a water outlet 35, and the water inlet 34 and the water outlet 35 are respectively communicated with the runner layer 30. By providing the flow channel layer 30 on the case 10 of the battery system side beam, the electric core is rapidly cooled. The arrangement mode that the heat radiation structure is arranged on the battery cell in the prior art is converted into the mode that the battery cell is radiated through the battery system boundary beam, so that the arrangement of parts on the battery is further reduced, and the structural design of the battery is simpler. The insulating layer 40 is disposed between the conductive connection layer 20 and the flow path layer 30, and the insulating layer 40 may be disposed in other areas where the conductive connection layer 20 is electrically connected to the battery, thereby performing an insulating function.

By installing the conductive connecting layer 20 and the insulating layer 40 in the installation groove 11 of the battery system side beam, the distance between the battery cell and the battery system side beam is shortened.

It should be noted that, the battery is connected through the connection piece between the battery, usually forms module or battery package after connection piece welding or riveting are connected between electric core and the electric core, carries out again and installs or be connected with the casing, and the design among the prior art need dodges installation space in advance. The utility model reduces the installation space of the connecting structure by arranging the connecting structure such as the conductive connecting layer 20 and the like in the side beam of the battery system in advance, thereby facilitating the installation mode of loading the battery into the shell after the battery is installed.

Thus, according to the battery system side beam of the embodiment of the utility model, the installation groove 11 is arranged on the shell 10, and the conductive connecting layer 20, the insulating layer 40 and the runner layer 30 are arranged on the installation groove 11 in advance, so that the overall structural strength of the battery system side beam is improved, the installation space of the conductive connecting layer 20 and the like is reduced, and the installation mode of installing the battery into the shell 10 is convenient. Meanwhile, through the preset arrangement of the conductive connecting layer 20, the insulating layer 40 and the runner layer 30 on the mounting groove 11, the side beam of the battery system can be guaranteed to have the conductive function, the insulating function and the heat dissipation function, the structure such as a connecting sheet is not required to be arranged on the battery, the pole of the battery can be directly connected with the conductive connecting layer 20 of the side beam of the battery system, the arrangement of parts of the battery is reduced, the space occupation ratio of the battery system is effectively reduced, and the quick heat dissipation of the pole of the battery is facilitated.

According to one embodiment of the present utility model, as shown in fig. 1, the conductive connection layer 20, the runner layer 30, and the insulating layer 40 are integrally provided with the housing 10. That is, the conductive connection layer 20, the runner layer 30, the insulating layer 40 and the casing 10 may be integrally provided, and by integrating the battery system side beam structure with the conductive connection layer 20, the runner layer 30 and the insulating layer 40, the overall structural strength of the battery system side beam can be improved, and the battery system side beam can be ensured to have the functions of conduction, insulation, heat dissipation and the like, so that the functional structures of conduction, insulation, heat dissipation and the like on the battery are converted on the battery system side beam, and the whole package space occupied by the battery for satisfying the functions of conduction, insulation, heat dissipation and the like is reduced.

According to one embodiment of the present utility model, the conductive connection layer 20 is adhesively or crimped with the runner layer 30.

In other words, the conductive connection layer 20 may be adhesively connected with the runner layer 30 by gluing, or the runner layer 30 and the conductive connection layer 20 may be pressure-bonded by injection molding. The insulating layer 40 can be made of a material with high insulating property between the conductive connection layer 20 and the runner layer 30, and the material of the insulating layer 40 can be structural adhesive, an insulating film, plastic or the like. The conductive connection layer 20 is mounted in a mounting groove 11 of a battery system side beam, and the mounting groove 11 is configured to form an interference connection with the battery terminal post and the insulating layer 40 in a complementary manner.

In some embodiments of the present utility model, the flow field layer 30 is formed as an integral piece with the housing 10. That is, the housing 10 may be formed of one or more of composite materials, metal steel, aluminum alloy, steel-aluminum composite, nonmetallic and metallic materials. The runner layer 30 can be integrally formed with the shell 10, so that the overall structural strength of the connection of the runner layer 30 and the shell 10 is improved, and the forming difficulty and the forming cost are reduced.

According to one embodiment of the utility model, the flow channel layer 30 is adhesively connected to the housing 10. In other words, the runner layer 30 and the housing 10 may be integrally formed, or the runner layer 30 may be separately attached to the housing 10 by gluing, so as to achieve a fixed connection between the runner layer 30 and the housing 10. Of course, it will be understood by those skilled in the art that, in the present utility model, the installation modes of the runner layer 30, the insulating layer 40, the conductive connection layer 20 and the housing 10 are not limited, and all modes of fixing the runner layer 30, the insulating layer 40, the conductive connection layer 20 and the housing 10 are required to be within the scope of the present utility model.

According to one embodiment of the utility model, the water inlet 34 and the water outlet 35 are both provided on the side of the housing 10 facing away from the conductive connection layer 20.

That is, referring to fig. 2 and 3, the positions of the water inlet 34 and the water outlet 35 may be disposed on the side of the housing 10 facing away from the conductive connection layer 20, and approximately on both sides of the battery, so that the cooling liquid is conveniently led out through the water inlet 34, the flow channel layer 30 and the water outlet 35, and rapid heat dissipation of the battery is achieved. Of course, the positions of the water inlet 34 and the water outlet 35 are not particularly limited, and the water inlet 34 and the water outlet 35 can be arranged on other surfaces of the side beam of the battery system or any combination of the surfaces, so long as the circulation of the cooling liquid is satisfied and the heat dissipation of the battery can be performed.

According to one embodiment of the present utility model, the flow channel layer 30 includes a water inlet main flow channel 31, a water outlet main flow channel 32, and a plurality of branch flow channels 33.

Specifically, the water inlet main flow passage 31 communicates with the water inlet 34. The water outlet main flow channel 32 is communicated with the water outlet 35. One end of each branch flow passage 33 is communicated with the water inlet main flow passage 31, and the other end is communicated with the water outlet main flow passage 32.

In other words, as shown in fig. 5, the flow path layer 30 is mainly composed of a water inlet main flow path 31, a water outlet main flow path 32, and a plurality of branch flow paths 33. Wherein the water inlet main runner 31 communicates with the water inlet 34. The water outlet main flow channel 32 is communicated with the water outlet 35. A cooling liquid flow passage is formed among the water inlet 34, the water inlet main flow passage 31 and the water outlet 35. One end of each branch flow passage 33 is communicated with the water inlet main flow passage 31, and the other end is communicated with the water outlet main flow passage 32. By providing a plurality of branch flow passages 33, the heat dissipation performance of the flow passage layer 30 can be further improved, and the rapid heat dissipation of the battery can be ensured.

In some implementations of the utility model, the inlet main flow channel 31 and the outlet main flow channel 32 are oppositely arranged at two sides of the mounting groove 11, and the plurality of branch flow channels 33 are arranged in rows.

That is, referring to fig. 5, the water inlet main flow channel 31 and the water outlet main flow channel 32 may be relatively arranged at both sides of the installation groove 11, ensuring that both sides of the battery can be sufficiently cooled. The plurality of branch flow channels 33 are arranged in a row, and the heat dissipation capability of the flow channel layer 30 is improved. The runner layer 30 can be formed by processing in a basic or stamping and brazing mode, joints can be arranged at the positions of the interfaces of the water inlet 34 and the water outlet 35 of the runner layer 30, and the interfaces can be placed on two sides of the battery, so that heat dissipation of the battery is facilitated. And simultaneously, a plurality of parallel branch channels 33 are processed on two sides of the shell 10, so that the flow combination of water inlet and water outlet is effectively realized, and the heat dissipation capacity of the channel layer 30 is improved. By providing the plurality of branch flow passages 33 arranged in a row in the length direction of the case 10 on the battery system side rail, the flow passage pressure drop on the side rail can be effectively reduced. Of course, those skilled in the art will understand that the specific structure of the flow channel layer 30 may be specifically designed according to actual needs, and will not be described in detail in the present utility model.

According to an embodiment of the present utility model, the plurality of mounting grooves 11 are provided, and the plurality of mounting grooves 11 are arranged in a row on the housing 10, and each mounting groove 11 is provided therein with the conductive connection layer 20, the insulating layer 40 and the flow path layer 30.

In other words, as shown in fig. 3 and 4, the mounting groove 11 may be provided in plurality, the plurality of mounting grooves 11 may be arranged in a row on the housing 10, and the conductive connection layer 20, the insulating layer 40, and the flow path layer 30 may be provided in each of the mounting grooves 11. The battery may have one or more poles, each of which may be electrically connected to the conductive connection layer 20, respectively. The overall insulation of the battery system side rail may be formed by a coating, spray coating, or hot pressing of the insulating layer 40, among other processes.

In summary, according to the battery system side beam of the embodiment of the present utility model, the installation groove 11 is provided on the housing 10, and the conductive connection layer 20, the insulating layer 40 and the runner layer 30 are provided on the installation groove 11 in advance, so that the overall structural strength of the battery system side beam is improved, the installation space of the conductive connection layer 20 and the like is reduced, and the installation mode of installing the battery into the housing 10 is facilitated. Meanwhile, through the preset arrangement of the conductive connecting layer 20, the insulating layer 40 and the runner layer 30 on the mounting groove 11, the side beam of the battery system can be guaranteed to have the conductive function, the insulating function and the heat dissipation function, the structure such as a connecting sheet is not required to be arranged on the battery, the pole of the battery can be directly connected with the conductive connecting layer 20 of the side beam of the battery system, the arrangement of parts of the battery is reduced, the space occupation ratio of the battery system is effectively reduced, and the quick heat dissipation of the pole of the battery is facilitated.

According to a second aspect of the present utility model, there is provided a battery system including the battery system side rail of the above embodiment. Since the battery system side beam according to the embodiment of the present utility model has the above technical effects, the battery system according to the embodiment of the present utility model should also have the corresponding technical effects, that is, the battery system of the present utility model has the conductive function, the insulating function and the heat dissipation function by adopting the battery system side beam, and no structure such as a connecting piece is required to be provided on the battery, and the conductive connection layer 20, the insulating layer 40 and the flow channel layer 30 are provided on the mounting groove 11 in advance, so that the mounting space of the conductive connection layer 20 and the like is reduced, and the mounting manner of mounting the battery in the housing 10 after the battery is conveniently adopted. Meanwhile, through the preset arrangement of the conductive connecting layer 20, the insulating layer 40 and the runner layer 30 on the mounting groove 11, the side beam of the battery system can be guaranteed to have the conductive function, the insulating function and the heat dissipation function, the structure such as a connecting sheet is not required to be arranged on the battery, the pole of the battery can be directly connected with the conductive connecting layer 20 of the side beam of the battery system, the arrangement of parts of the battery is reduced, the space occupation ratio of the battery system is effectively reduced, and the quick heat dissipation of the pole of the battery is facilitated.

Of course, other structures of the battery system and the working principle thereof are understood and can be implemented by those skilled in the art, and detailed description thereof is omitted herein.

While certain specific embodiments of the utility model have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.

Claims (10)

1. A battery system side rail, comprising:

the shell is provided with a mounting groove;

the conductive connecting layer is arranged in the mounting groove and is used for conducting connection with the pole of the battery core;

the runner layer is arranged in the mounting groove, the runner layer is positioned on one side of the conductive connecting layer, which faces the battery cell, and the shell is provided with a water inlet and a water outlet which are communicated with the runner layer;

and the insulating layer is arranged between the conductive connecting layer and the runner layer.

2. The battery system side rail of claim 1, wherein the conductive connection layer, the flow channel layer, and the insulating layer are integrally provided with the housing.

3. The battery system side rail of claim 1, wherein the conductive connecting layer is adhesively or crimped to the flow channel layer.

4. The battery system side rail of claim 1, wherein the flow channel layer is formed as an integral piece with the housing.

5. The battery system side rail of claim 1, wherein the flow channel layer is adhesively attached to the housing.

6. The battery system side rail of claim 1, wherein the water inlet and the water outlet are both provided on a side of the housing facing away from the conductive connection layer.

7. The battery system side rail of claim 1, wherein the flow channel layer comprises:

the water inlet main runner is communicated with the water inlet;

the water outlet main flow passage is communicated with the water outlet;

and one end of each branch flow passage is communicated with the water inlet main flow passage, and the other end of each branch flow passage is communicated with the water outlet main flow passage.

8. The battery system side rail of claim 7, wherein the water inlet main flow channel and the water outlet main flow channel are oppositely arranged at both sides of the mounting groove, and a plurality of the side flow channels are arranged in a row.

9. The battery system side rail of claim 1, wherein a plurality of said mounting grooves are provided, a plurality of said mounting grooves being arranged in a row on said housing, each of said mounting grooves being provided with said conductive connection layer, said insulating layer and said flow path layer therein.

10. A battery system comprising the battery system side rail of any one of claims 1-9.