CN210628379U

CN210628379U - Support for battery module, battery module with support and battery system

Info

Publication number: CN210628379U
Application number: CN201921905990.8U
Authority: CN
Inventors: 廖其东; 刘丽荣; 王军; 吕泽栋; 熊得军; J·W·江
Original assignee: Farasis Energy Ganzhou Co Ltd
Current assignee: Farasis Energy Ganzhou Co Ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-05-26
Anticipated expiration: 2029-11-06

Abstract

The utility model discloses a battery module and battery system that is used for battery module's support and has it. The bracket includes: a body having first and second oppositely disposed surfaces; a first barrier rib provided on the first surface, the first barrier rib extending in a first direction; and the second barrier rib and the third barrier rib are arranged on the first surface at intervals along the first direction, each of the second barrier rib and the third barrier rib extends along the second direction, the first direction is perpendicular to the second direction, and an overflowing row containing area is defined between the first barrier rib, the second barrier rib and the third barrier rib. Through utilizing the basis the utility model discloses a support to can improve the security of battery module.

Description

Support for battery module, battery module with support and battery system

Technical Field

The utility model relates to a battery field specifically, relates to a support for battery module, still relates to battery module and battery system who has this support.

Background

The power battery is used as a core component of the electric automobile. The electric cores of the power battery are connected in parallel through the overcurrent bars, namely the lugs of a plurality of electric cores are connected with the same overcurrent bar so as to realize the parallel connection of the plurality of electric cores. The overflow row can be placed on the support, and the support plays supporting and fixed guard action.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a battery module and battery system that is used for battery module's support and has this support in order to overcome the problem that prior art exists.

In order to achieve the above object, the present invention provides in a first aspect a support for a battery module, the support comprising: a body having first and second oppositely disposed surfaces; a first barrier rib provided on the first surface, the first barrier rib extending in a first direction; and the second barrier rib and the third barrier rib are arranged on the first surface at intervals along the first direction, each of the second barrier rib and the third barrier rib extends along the second direction, the first direction is perpendicular to the second direction, and an overflowing row accommodating area is defined between the first barrier rib, the second barrier rib and the third barrier rib.

Through utilizing the basis the utility model discloses a support to can improve the security of battery module.

Preferably, the support for battery module further includes at least one middle separation rib, middle separation rib is established on the first surface, middle separation rib follows the second direction extends, wherein middle separation rib is located overflow and arrange the holding area in, middle separation rib is in first direction is located second separation rib with between the third separation rib, so that with overflow arrange the holding area and separate into at least two row of overflowing and hold the district.

Preferably, the middle barrier rib is a plurality of, and a plurality of the middle barrier rib is arranged between the second barrier rib and the third barrier rib at intervals along the first direction.

Preferably, the first barrier rib is connected to each of the second and third barrier ribs, and the intermediate barrier rib is connected to the first barrier rib.

Preferably, the bracket for the battery module further includes a reinforcing rib, the reinforcing rib is provided on the body, and each of the middle barrier rib, the second barrier rib, and the third barrier rib is located between the first barrier rib and the first portion of the reinforcing rib in the second direction.

Preferably, the second barrier rib constitutes a second portion of the reinforcing rib and the third barrier rib constitutes a third portion of the reinforcing rib.

Preferably, one of a positioning pin and a positioning hole is provided on the first surface.

Preferably, the bracket for a battery module further includes a plurality of wire-clamping members, each of which is provided on the first surface, each of which has a clamping groove.

The utility model discloses the second aspect provides the battery module, the battery module includes: a first bracket and a second bracket, each of which is a bracket for a battery module according to the first aspect of the present invention; a plurality of cells having tabs; the overcurrent bar is connected with the lug and is positioned in the overcurrent bar accommodating area; and each of the positive connecting piece and the negative connecting piece is connected with the lug, and each of the positive connecting piece and the negative connecting piece is positioned outside the overcurrent row accommodating area.

According to the utility model discloses a battery module has the high advantage of security.

The third aspect of the present invention provides a battery system, the battery system includes the battery module according to the second aspect of the present invention.

According to the utility model discloses a battery system has the high advantage of security.

Drawings

Fig. 1 is a schematic structural view of a bracket (first bracket) according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a bracket (second bracket) according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an overflow row according to an embodiment of the present invention;

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

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

fig. 6 is a schematic view of a partial structure of a battery module according to an embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

The following describes a battery module 1 according to an embodiment of the present invention with reference to the drawings. As shown in fig. 1-6, the battery module 1 according to the embodiment of the present invention includes a first support 10a, a second support 10b, a plurality of battery cells 20, an overcurrent row 30, a positive electrode connector 41, and a negative electrode connector 42. The battery cell 20 has a tab 21, the overcurrent bar 30 is connected to the tab 21, and each of the positive electrode connector 41 and the negative electrode connector 42 is connected to the tab 21.

Each of the first bracket 10a and the second bracket 10b may be the bracket 10. The bracket 10 includes a body 110, a first barrier rib 121, a second barrier rib 122, and a third barrier rib 123. The body 110 has a first surface 111 and a second surface opposite to each other, the first blocking rib 121 is disposed on the first surface 111, and the first blocking rib 121 extends along the first direction.

The second and

third barrier ribs

122 and 123 are provided on the first surface 111 at intervals along the first direction, and each of the second and

third barrier ribs

122 and 123 extends along a second direction, which is perpendicular to the first direction. The first barrier rib 121, the second barrier rib 122 and the third barrier rib 123 define therebetween a flow row receiving area 124.

Wherein flow bar 30 is positioned within flow bar receiving area 124 and each of positive and

negative connectors

41 and 42 is positioned outside flow bar receiving area 124.

According to the utility model discloses support 10 is through setting up the row that overflows that is injectd by first separation rib 121, second separation rib 122 and third separation rib 123 and holds district 124 to can restrict and be located overflow arrange that the utmost point ear 21 that overflows in holding district 124 and arrange 30 and link to each other because of reasons such as perk and with parts contact such as anodal connecting piece 41, negative pole connecting piece 42, battery module 1's shell (not shown in the figure), so that guarantee electric clearance. This can prevent the battery module 1 from short-circuiting, and can improve the safety of the battery module 1.

Therefore, by using the bracket 10 according to the embodiment of the present invention, the safety of the battery module 1 can be improved. According to the utility model discloses battery module 1 is through setting up support 10 to have advantages such as security height.

As shown in fig. 1-6, the battery module 1 according to the embodiment of the present invention includes a first support 10a, a second support 10b, a plurality of battery cells 20, an overcurrent row 30, a positive electrode connector 41, and a negative electrode connector 42. Each cell 20 has a tab 21, and a plurality of cells 20 may be arranged in a known manner.

For example, the battery module 1 includes 24 battery cells 20, and every four battery cells 20 are connected in parallel so as to form 6 battery modules. The 6 battery modules are connected in series through five overcurrent bars 30, namely, the tabs 21 of two adjacent battery modules are connected with the same overcurrent bar 30. The first of the battery modules is connected to the positive electrode connector 41 (negative electrode connector 42), and the last of the battery modules is connected to the negative electrode connector 42 (positive electrode connector 41). That is, the tab 21 of the first one of the battery modules is connected to the positive electrode connector 41 (the negative electrode connector 42), and the tab 21 of the last one of the battery modules is connected to the negative electrode connector 42 (the positive electrode connector 41).

Two flow-through bars 30 are located in the flow-through bar receiving area 124 of the first rack 10a (side a), three flow-through bars 30 are located in the flow-through bar receiving area 124 of the second rack 10B (side B), and each of the positive and

negative connectors

41 and 42 is located outside the flow-through bar receiving area 124 of the first rack 10 a. The overcurrent row 30 is located between the tab 21 and the first support 10a (the second support 10b), and the positive electrode connector 41 and the negative electrode connector 42 are located between the tab 21 and the first support 10 a.

As shown in fig. 1, 2 and 4-6, the bracket 10 includes a body 110, a first barrier rib 121, a second barrier rib 122 and a third barrier rib 123. The body 110 has a first surface 111 and a second surface opposite to each other in a thickness direction thereof, the first barrier rib 121 is disposed on the first surface 111, and the first barrier rib 121 extends in the first direction.

The second and

third barrier ribs

Preferably, the first barrier rib 121 is connected to each of the second and

third barrier ribs

122, 123. Therefore, the structural strength of the bracket 10 can be improved, and the occurrence of short circuit of the battery module 1 can be further avoided, so that the safety of the battery module 1 can be further improved.

For example, the first direction may coincide with a thickness direction of the battery cell 20 or a width direction of the battery module 1, and the second direction may coincide with a width direction of the battery cell 20 or a height direction of the battery module 1. Specifically, the first direction may be a horizontal direction, and the second direction may be an up-down direction. The first direction is shown by arrow C in fig. 1 and the second direction is shown by arrow D in fig. 1.

As shown in fig. 1 and 2, in an embodiment of the present invention, the bracket 10 further includes at least one intermediate barrier rib 125, the intermediate barrier rib 125 is disposed on the first surface 111, and the intermediate barrier rib 125 extends along the second direction. The middle blocking rib 125 is located in the flow-passing row accommodating area 124, and the middle blocking rib 125 is located between the second blocking rib 122 and the third blocking rib 123 in the first direction, so as to divide the flow-passing row accommodating area 124 into at least two flow-passing row accommodating areas 126.

Therefore, each over-current bar 30 is located in one over-current bar accommodating area 126, that is, only one over-current bar 30 is located in one over-current bar accommodating area 126, so that the tabs 21 connected with the over-current bars 30 located in different over-current bar accommodating areas 126 can be limited from contacting with each other due to tilting and the like, and an electrical gap can be ensured. This can further prevent the battery module 1 from short-circuiting, and can further improve the safety of the battery module 1.

As shown in fig. 1 and 2, the intermediate barrier rib 125 is connected to the first barrier rib 121. Thereby, the structure of the bracket 10 can be more reasonable and more stable. Preferably, the intermediate barrier rib 125 is a plurality of intermediate barrier ribs 125, and the plurality of intermediate barrier ribs 125 are arranged between the second barrier rib 122 and the third barrier rib 123 at intervals along the first direction. The structure of the bracket 10 (second bracket 10b) can thereby be made more rational.

In some examples of the present invention, the bracket 10 further includes a reinforcing rib 130, and the reinforcing rib 130 is provided on the body 110. Preferably, the reinforcing rib 130 may have a ring shape, and the reinforcing rib 130 is provided on the edge of the body 110. Wherein each of the intermediate, second and

third barrier ribs

125, 122, 123 is located between the first barrier rib 121 and the first portion 131 of the reinforcing rib 130 in the second direction.

In other words, the first barrier rib 121 is opposite to the first portion 131 of the reinforcing rib 130 in the second direction. Through setting up strengthening rib 130 to not only can improve the structural strength of support 10, can restrict utmost point ear 21 and take place the displacement in this second direction moreover, so that guarantee the electric clearance, avoid utmost point ear 21 and battery module 1's shell contact. This can further prevent the battery module 1 from short-circuiting, and can further improve the safety of the battery module 1.

Specifically, the first barrier rib 121 is located above the first portion 131 of the reinforcing rib 130, whereby the first barrier rib 121 may restrict the upward movement of the tab 21 and the first portion 131 of the reinforcing rib 130 may restrict the downward movement of the tab 21. The intermediate, second and

third barrier ribs

125, 122 and 123 may restrict the movement of the tab 21 in a horizontal direction (e.g., a front-rear direction or a left-right direction).

As shown in fig. 2, in one example of the present invention, the second barrier rib 122 constitutes the second portion 132 of the reinforcing rib 130, and the third barrier rib 123 constitutes the third portion 133 of the reinforcing rib 130. In other words, the second portion 132 of the reinforcing bead 130 constitutes the second barrier bead 122 and the third portion 133 of the reinforcing bead 130 constitutes the third barrier bead 123. Specifically, the second barrier rib 122 of the second bracket 10b constitutes the second portion 132 of the reinforcing rib 130, and the third barrier rib 123 of the second bracket 10b constitutes the third portion 133 of the reinforcing rib 130. The structure of the second bracket 10b can thereby be made more rational.

As shown in fig. 1, one of the positioning pins 112 and the positioning holes 31 is disposed on the first surface 111, and the other of the positioning pins 112 and the positioning holes 31 is disposed on the flow-passing bank 30. The positioning pins 112 fit within the positioning holes 31 when the flow strip 30 is assembled with the rack 10. This can prevent the short circuit of the battery cell 20, and thus can prevent the explosion of the battery module 1.

In a specific example of the present invention, as shown in fig. 4 and 5, the bracket 10 further includes a plurality of wire clamping members 140, each wire clamping member 140 is disposed on the first surface 111, and each wire clamping member 140 has a wire clamping groove 141. The voltage collecting lead 50 of the battery module 1 may be caught in the card slot 141. The voltage pickup conductors 50 may be connected to the cells 20 in a known manner to monitor changes in the internal resistance and voltage of the cells 20.

The utility model discloses still provide battery system. According to the utility model discloses battery system includes according to the utility model discloses above-mentioned embodiment's battery module 1. Therefore, according to the utility model discloses battery system has advantages such as security height.

In the description of the present invention, it is to 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", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

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

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A support (10) for a battery module (1), comprising:

a body (110), the body (110) having a first surface (111) and a second surface disposed opposite;

a first barrier rib (121), the first barrier rib (121) being provided on the first surface (111), the first barrier rib (121) extending in a first direction; and

second separation muscle (122) and third separation muscle (123), second separation muscle (122) with third separation muscle (123) are set up at an interval along first direction on first surface (111), second separation muscle (122) with each in third separation muscle (123) extends along the second direction, first direction perpendicular to the second direction, first separation muscle (121), second separation muscle (122) with it overflows row's holding area (124) to inject between third separation muscle (123).

2. The bracket (10) for a battery module (1) according to claim 1, further comprising at least one intermediate barrier rib (125), wherein the intermediate barrier rib (125) is provided on the first surface (111), and the intermediate barrier rib (125) extends along the second direction, wherein the intermediate barrier rib (125) is located in the flow-through row receiving area (124), and the intermediate barrier rib (125) is located between the second barrier rib (122) and the third barrier rib (123) in the first direction, so as to partition the flow-through row receiving area (124) into at least two flow-through row receiving areas (126).

3. The bracket (10) for battery modules (1) according to claim 2, wherein the intermediate barrier ribs (125) are plural, and the plural intermediate barrier ribs (125) are provided between the second barrier rib (122) and the third barrier rib (123) at intervals in the first direction.

4. The bracket (10) for a battery module (1) according to claim 2, wherein the first barrier rib (121) is connected to each of the second barrier rib (122) and the third barrier rib (123), and the intermediate barrier rib (125) is connected to the first barrier rib (121).

5. The bracket (10) for a battery module (1) according to any one of claims 1 to 4, further comprising a reinforcing rib (130), the reinforcing rib (130) being provided on the body (110), each of the intermediate barrier rib (125), the second barrier rib (122), and the third barrier rib (123) being located between the first barrier rib (121) and the first portion (131) of the reinforcing rib (130) in the second direction.

6. The bracket (10) for a battery module (1) according to claim 5, wherein the second barrier rib (122) constitutes the second portion (132) of the reinforcing rib (130), and the third barrier rib (123) constitutes the third portion (133) of the reinforcing rib (130).

7. The holder (10) for a battery module (1) according to claim 1, wherein one of a positioning pin (112) and a positioning hole (31) is provided on the first surface (111).

8. The cradle (10) for a battery module (1) according to claim 1, further comprising a plurality of wire-clamping members (140), each wire-clamping member (140) being provided on the first surface (111), each wire-clamping member (140) having a card slot (141).

9. A battery module (1), characterized by comprising:

a first bracket (10a) and a second bracket (10b), each of the first bracket (10a) and the second bracket (10b) being a bracket (10) for a battery module (1) according to any one of claims 1-8;

a plurality of battery cells (20), the battery cells (20) having tabs (21);

the overcurrent bar (30), the overcurrent bar (30) is connected with the tab (21), and the overcurrent bar (30) is positioned in the overcurrent bar accommodating area (124); and

a positive connector (41) and a negative connector (42), each of the positive connector (41) and the negative connector (42) is connected with the tab (21), and each of the positive connector (41) and the negative connector (42) is located outside the overflow drain accommodating area (124).

10. A battery system characterized by comprising the battery module (1) according to claim 9.