CN217426986U - Battery module - Google Patents

Abstract

The utility model belongs to the technical field of the battery technique and specifically relates to a battery module is related to, and battery module includes: a first battery module including a first case; a second battery module including a second case; the connector, the quantity of connector is at least two, and at least two connectors set up in the lateral wall of first casing and/or second casing. The application provides a battery module, a simpler fixed form of connector is provided, the mounted position setting of connector is on battery module's lateral wall, the pencil of the connector of not only being convenient for arranges and moves towards, can avoid parts such as connector and high-pressure copper bar to arrange together moreover, thereby effectively avoid producing electromagnetic interference to the connector after the battery module circular telegram, influence signal transmission's stability, provide more reliable arrangement form for signal transmission, and simple structure, the relation of connection is succinct.

Description

Battery module

Technical Field

The application relates to the technical field of batteries, in particular to a battery module.

Background

At present, at present battery package, for guaranteeing the energy density of battery, set up the low pressure connector in one side of module or around, the tip of electricity core etc. position usually, appear easily with high-pressure copper bar, adjacent arrangement such as sampling set up, not only increase winding displacement wiring complexity, high-pressure copper bar or other parts can produce magnetic field after the circular telegram in addition, carry out low pressure signal collection to the low pressure connector easily and produce electromagnetic interference, influence signal transmission's stability.

SUMMERY OF THE UTILITY MODEL

The application aims to provide a battery module to solve the technical problem that the existing battery pack in the prior art is easy to generate magnetic field interference on a low-voltage connector after being electrified to a certain extent.

The application provides a battery module, include:

a first battery module including a first housing;

a second battery module including a second housing;

the connector, the quantity of connector is at least two, at least two the connector set up in the first casing and/or the lateral wall of second casing.

In the above technical solution, further, the heights of the first housing and the second housing are both H, and the connector is disposed at H/3-H/2 of the first housing and the second housing.

In any of the above technical solutions, further, the first housing and the second housing are disposed at an interval;

the wall surfaces of the first shell and the second shell facing each other are provided with the connectors.

In any of the above technical solutions, further, the connector is provided with a connection port; the first shell comprises a first fixed wall surface, two connectors are arranged on the first fixed wall surface at intervals along the length direction of the first fixed wall surface, and wiring ports of the two connectors arranged on the first fixed wall surface are arranged in a mutually facing manner;

the second housing includes a second fixing wall surface disposed facing the first fixing wall surface; the second fixing wall surface is provided with two connectors at intervals along the length direction of the second fixing wall surface, and the wiring ports of the two connectors arranged on the second fixing wall surface are arranged in a manner of facing to each other.

In any of the above technical solutions, further, the battery module further includes a sampling assembly; the sampling assembly includes connector and reinforcement member, the reinforcement member set up in first casing with the second casing wall that faces each other, the connector set up in the reinforcement member.

In any one of the above technical solutions, further, both the first casing and the second casing are provided with a battery cell, and the battery cell is provided with a voltage acquisition component.

In any of the above technical solutions, further, the sampling assembly further includes a first sampling portion and a second sampling portion;

first sampling portion set up in first battery module the second battery module, first sampling portion with voltage acquisition connects, second sampling portion with the reinforcement member is connected.

In any of the above technical solutions, further, both the first sampling portion and the second sampling portion have flexibility; the first sampling part and the second sampling part are both conductive;

the second sampling portion is provided with a bent portion, and the bent portion is fixed to the reinforcing member.

In any of the above technical solutions, further, the battery module further includes a bus bar; an installation space is formed between the first shell and the second shell; the bus bar is disposed outside the installation space.

In any of the above technical solutions, further, the first battery module and the second battery module are arranged at an interval along a first direction;

the number of the first battery modules and the number of the second battery modules are multiple, the first battery modules are sequentially arranged along a second direction, and the second battery modules are sequentially arranged along the second direction;

the second direction is perpendicular to the first direction.

Compared with the prior art, the beneficial effect of this application is:

the application provides a battery module includes: a first battery module including a first case; a second battery module including a second case; the connector, the quantity of connector is at least two, and at least two connectors set up in the lateral wall of first casing and/or second casing.

The application provides a battery module, a simpler fixed form of connector is provided, the mounted position setting of connector is on battery module's lateral wall, the pencil of the connector of not only being convenient for arranges and moves towards, can avoid parts such as connector and high-pressure copper bar to arrange together moreover, thereby effectively avoid producing electromagnetic interference to the connector after the battery module circular telegram, influence signal transmission's stability, provide more reliable arrangement form for signal transmission, and simple structure, the relation of connection is succinct.

Drawings

In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings needed to be used in the detailed description of the present application or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural diagram of a battery module according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of a battery module according to an embodiment of the present disclosure;

fig. 3 is an enlarged schematic structural view of the battery module provided in fig. 2 at a;

fig. 4 is a schematic view of a partial structure of a battery module according to an embodiment of the present disclosure;

fig. 5 is a schematic partial structure view of a battery module according to an embodiment of the present disclosure.

Reference numerals:

1-a first battery module, 101-a first housing, 102-a first stationary wall, 2-a second battery module, 201-a second housing, 202-a second stationary wall, 3-an installation space, 4-a connector, 5-a busbar, 6-a reinforcement member, 7-a sampling assembly, 701-a first sampling portion, 702-a second sampling portion, 8-a voltage acquisition member, a-a first direction, b-a second direction.

Detailed Description

The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments.

The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application.

All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being 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 application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The following describes a battery module according to some embodiments of the present application with reference to fig. 1 to 5.

Referring to fig. 1 to 5, an embodiment of the present application provides a battery module including at least: first battery module 1, second battery module 2, busbar 5 and sampling assembly 7, wherein, sampling assembly 7 sets up in first battery module 1 and second battery module 2, and sampling assembly 7 includes at least: a connector 4, a reinforcing member 6; the first battery module 1 and the second battery module 2 are disposed at an interval, and an installation space 3 is formed between the first battery module 1 and the second battery module 2, and the connector 4 is disposed in the installation space 3.

Specifically, the first battery modules 1 and the second battery modules 2 are arranged at intervals in the first direction a, the number of the first battery modules 1 and the number of the second battery modules 2 are both multiple, the multiple first battery modules 1 are sequentially arranged in the second direction b perpendicular to the first direction a, the multiple second battery modules 2 are also sequentially arranged in the second direction b, each first battery module 1 has a corresponding second battery module 2 in the first direction a, and an installation space 3 is formed between each group of first battery modules 1 and each group of second battery modules 2.

Further, the first battery module 1 includes a first casing 101 and a plurality of battery cells disposed in the first casing 101, and the second battery module 2 includes a second casing 201 and a plurality of battery cells disposed in the second casing 201. A side wall surface of the first casing 101 facing the installation space 3, that is, a side wall surface facing the second casing 201 is defined as a first fixed wall surface 102, a side wall surface of the second casing 201 facing the installation space 3, that is, a side wall surface facing the first casing 101 is defined as a second fixed wall surface 202, the reinforcing members 6 are provided on the first fixing wall surface 102 at positions close to both ends of the first fixing wall surface 102 in the first direction a, and, similarly, reinforcing members 6 are also provided at positions on the second fixing wall surface 202 near both ends of the second fixing wall surface 202, each reinforcing member 6 is provided with a connector 4, and the connectors 4 are provided on the first fixing wall surface 102 and the second fixing wall surface 202 through the reinforcing members 6, so that the connection strength and stability of the connectors 4 can be ensured, the connectors 4 are prevented from falling off, and damage to the first casing 101 and the second casing 201 due to fatigue can be avoided.

Further, the reinforcing member 6 has a flat plate structure, and the reinforcing structure is made of an insulating material.

Further, the reinforcing member 6 is fixed to the first fixing wall surface 102 and the second fixing wall surface 202 by a first connecting member, and the connector 4 and the reinforcing member 6 are fixed to the reinforcing member 6 by a second connecting member, preferably, the first connecting member and the second connecting member may be adhesive, such as double-sided adhesive, structural adhesive, or the like, so as to ensure the connection strength between the reinforcing member 6 and the first casing 101 and the second casing 201, and of course, the connection manner between the reinforcing member 6 and the first casing 101 and the second casing 201, and between the connector 4 and the reinforcing member 6 may be other forms such as welding.

Further, the connector 4 is provided with a wiring port for connecting a wiring harness, and a terminal of the wiring harness and the wiring port of the connector 4 are respectively used as a male end and a female end which can be adapted for connection, wherein the first fixing wall 102 is provided with two connectors at intervals along the length direction of the first fixing wall 102, namely the second direction, the wiring ports of the two connectors 4 arranged on the first fixing wall 102 are arranged facing each other, the second fixing wall 202 is provided with two connectors 4 at intervals along the length direction of the second fixing wall 202, namely the second direction, and the wiring ports of the two connectors 4 arranged on the second fixing wall 202 are arranged facing each other, such arrangement is convenient for arrangement and moving of the wiring harness of the whole battery pack, and interference of the wiring harness with a beam or other wiring structures in the whole battery pack during connection with the port of the connector 4 is avoided, the wiring end of the wiring harness can be ensured to be smoothly connected with the wiring port of the connector 4, and the connection stability is ensured.

Further, the heights of the first shell 101 and the second shell 201 are both H, the height of the reinforcing member 6 disposed on the first shell 101 and the second shell 201 is the same, and occupies about H/3-H/2 of the first shell 101 and the second shell 201, so as to ensure that the connectors 4 of various sizes can be disposed on the first shell 101 and the second shell 201 through the reinforcing member 6, avoid that the upper portion of the connector 4 is higher than the first shell 101 or the second shell 201, and avoid that the lower portion of the connector 4 does not have enough space to accommodate the connector 4.

Further, the sampling assembly 7 further includes a first sampling portion 701 and a second sampling portion 702 which have an integral structure and are sequentially arranged, the first sampling portion 701 and the second sampling portion 702 may be any component having a flexible conductive connectable connector 4, such as an FPC/FFC wire, and the first sampling portion 701 and the second sampling portion 702 may have a long strip structure, and the first sampling portion 701 is disposed on the first battery module 1 and the second battery module 2 along the second direction b, specifically, the first sampling portion 701 may be disposed on a side wall of the first casing 101 extending along the second direction b and a side wall of the second casing 201 extending along the second direction b, and may also be disposed on a casing of a plurality of electric cores sequentially arranged in the second direction b in the first casing 101 and a casing of a plurality of electric cores sequentially arranged in the second casing 201 along the second direction b. The second sampling portion 702 is connected to the reinforcing member 6, wherein a bending portion is formed between the first sampling portion 701 and the second sampling portion 702, so that the second sampling portion 702 can be bent toward the reinforcing member 6, so that the second sampling portion 702 can be connected to the reinforcing member 6, and the connection manner between the second sampling portion 702 and the reinforcing member 6 may be, but is not limited to, a connection manner using glue.

Further, a plurality of battery cells arranged in sequence along the second direction b in the first casing 101 are provided with a voltage acquisition part 8, a plurality of battery cells arranged in sequence along the second direction b in the second casing 201 are also provided with a voltage acquisition part 8, the voltage acquisition part 8 is preferably a nickel plate, and the first sampling part 701 is connected with the voltage acquisition part 8 and the busbar 5, so that the busbar 5, the sampling assembly 7 and the battery cells form a loop and can acquire the voltage of the battery cells.

Further, first battery module 1 is provided with the first installation department that is used for setting up busbar 5, second battery module 2 is provided with the second installation department that is used for setting up busbar 5, first installation department and second installation department all are located outside accommodation space, and installation space 3 is kept away from as far as possible to first installation department and second installation department, avoid low pressure to gather pencil and connector and high-voltage copper bar and arrange together, thereby effectively avoid high-voltage copper bar to produce electromagnetic interference to the connector after the circular telegram, influence signal transmission's stability, provide more reliable arrangement form for signal transmission. It should be noted that the connector 4 in the embodiment of the present application is specifically a low voltage connector in a battery pack.

Preferably, the first mounting portion of the first battery module 1 is disposed at an end of the first casing 101 away from the first fixing wall surface 102, and the second mounting portion of the second battery module 2 is disposed at an end of the second casing 201 away from the second fixing wall surface 202, so that a distance between the first mounting portion and the mounting space 3 and a distance between the second mounting portion and the mounting space 3 are maximized, thereby ensuring that the bus bar 5 does not generate signal interference with the connector 4 after being powered on.

To sum up, the battery module that this application provided provides a simpler fixed form of connector, sets up the mounted position of connector on battery module's lateral wall, and the pencil of the connector of not only being convenient for is arranged and is moved towards, can avoid parts such as connector and high-pressure copper bar to arrange together moreover to effectively avoid producing electromagnetic interference to the connector after the battery module circular telegram, influence signal transmission's stability, provide more reliable arrangement form for signal transmission, and simple structure, the relation of connection is succinct. In addition, the battery module that this application provided has simplified the trend and the overall arrangement of sampling, can enough guarantee the stability of sampling in the battery package, has still shortened the width and the return circuit length of sampling, has saved the materials of sampling, the cost is reduced, also saves sampling occupation space.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims (10)

1. A battery module, comprising:

a first battery module including a first housing;

a second battery module including a second housing;

the connector, the quantity of connector is at least two, at least two the connector set up in the lateral wall of first casing and/or second casing.

2. The battery module according to claim 1, wherein the first housing and the second housing are both H in height, and the connector is provided at H/3-H/2 of the first housing and the second housing.

3. The battery module according to claim 1, wherein the first case and the second case are spaced apart;

the wall surfaces of the first shell and the second shell facing each other are provided with the connectors.

4. The battery module according to claim 1, wherein the connector is provided with a wiring port; the first shell comprises a first fixed wall surface, two connectors are arranged on the first fixed wall surface at intervals along the length direction of the first fixed wall surface, and wiring ports of the two connectors arranged on the first fixed wall surface are arranged in a mutually facing manner;

the second housing includes a second fixing wall surface that is provided facing the first fixing wall surface; the second fixing wall surface is provided with two connectors at intervals along the length direction of the second fixing wall surface, and the wiring ports of the two connectors arranged on the second fixing wall surface are arranged in a manner of facing each other.

5. The battery module according to claim 1, further comprising a sampling assembly; the sampling assembly comprises a connector and a reinforcing member, wherein the reinforcing member is arranged on the wall surfaces of the first shell and the second shell which face each other, and the connector is arranged on the reinforcing member.

6. The battery module according to claim 5, wherein a cell is disposed in each of the first and second housings, and a voltage collecting member is disposed on each of the cells.

7. The battery module of claim 6, wherein the sampling assembly further comprises a first sampling portion and a second sampling portion;

first sampling portion set up in first battery module the second battery module, first sampling portion with voltage acquisition connects, second sampling portion with the reinforcement component is connected.

8. The battery module according to claim 7, wherein the first sampling part and the second sampling part each have flexibility; the first sampling part and the second sampling part are both conductive;

the second sampling portion is provided with a bent portion, and the bent portion is fixed to the reinforcing member.

9. The battery module according to any one of claims 1 to 8, further comprising a bus bar; an installation space is formed between the first shell and the second shell; the bus bar is disposed outside the installation space.

10. The battery module according to any one of claims 1 to 8, wherein the first battery module and the second battery module are disposed at intervals in a first direction;

the number of the first battery modules and the number of the second battery modules are multiple, the first battery modules are sequentially arranged along a second direction, and the second battery modules are sequentially arranged along the second direction;

the second direction is perpendicular to the first direction.

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