CN218731369U

CN218731369U - Plastic support of battery module and battery module

Info

Publication number: CN218731369U
Application number: CN202222965828.3U
Authority: CN
Inventors: 马进司
Original assignee: Hubei Eve Power Co Ltd
Current assignee: Hubei Eve Power Co Ltd
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2023-03-24
Anticipated expiration: 2032-11-07
Also published as: WO2024098535A1

Abstract

The utility model relates to a power battery technical field discloses a plastic support and battery module of battery module. The plastic support of the battery module comprises a support body, a wire clamping buckle and a connector, wherein a wire accommodating groove is formed below one side, close to the battery cell module, of the support body; the wire clamping buckle is clamped with the wire accommodating groove so as to clamp the FFC main circuit in the wire accommodating groove; connectors are arranged on two sides of the support body, two paths of FFC main lines are arranged, and each path of FFC main line is arranged in a double-layer mode and is electrically connected with one connector. The utility model can effectively reduce the exposure of the FFC main line, avoid the damage of the FFC main line caused by welding and reduce the risk of short circuit; the fixing operation difficulty is low, the convenience degree is higher, the operation efficiency is effectively improved, the fault tolerance rate is low, and the connection is more reliable; the space utilization rate is improved, and the technology is easier to realize.

Description

Plastic support of battery module and battery module

Technical Field

The utility model relates to a power battery technical field especially relates to a plastic support and battery module of battery module.

Background

In the prior art, in a battery membrane module, a conventional module voltage and temperature collecting line, an FPC and an FFC are generally uniformly distributed on the top of a plastic support; the main body fixing of the FFC and the FPC is generally performed by bonding and fixing by using double-sided adhesive tapes; the collection branch of the FFC is usually also in a glued form; in addition, FFCs and FPCs are typically single layer arrangements.

However, the above arrangement has the following disadvantages; the collecting wire harness is usually exposed at the top end of the bracket without being protected by an external structure, and when welding slag is generated in laser welding, a collecting wire protective film is easily scalded, so that a copper wire is exposed to cause a short circuit risk; the collection line main body and the branches are bonded by the double-sided adhesive tape, so that the fault tolerance rate in the bonding process is low, and the operation difficulty is high; the main body of the acquisition line and the branch are bonded by double-sided adhesive, so that the adhesive is aged and loses efficacy in the use process, the fixation failure directly affects the acquisition line, and the risk of acquisition failure is caused; the single layer arrangement does not make high use of the smaller module space.

Therefore, a plastic bracket for a battery module and a battery module are needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Based on above, the utility model aims at providing a plastic support and battery module of battery module, installation simple operation, the security is better, and fault-tolerant rate and space utilization are higher.

In order to achieve the purpose, the utility model adopts the following technical proposal:

the plastic support of battery module includes:

the battery cell module comprises a bracket body, wherein a wire accommodating groove is formed below one side of the bracket body close to the battery cell module, a wire clamping groove is also formed in the bracket body, and an FFC branch circuit can be clamped in the wire clamping groove;

the wire clamping buckle is clamped with the wire accommodating groove so as to clamp the FFC main circuit in the wire accommodating groove;

the connector, the both sides of support body all are provided with the connector, the FFC main line is provided with two ways, every way the FFC main line double-deck arranges and all with one the connector electricity is connected.

As an optimal scheme of the plastic support of the battery module, the wire clamping buckles are arranged in a plurality of numbers, and the wire clamping buckles are arranged at intervals along the length direction of the wire accommodating groove.

As an optimal scheme of a plastic support of a battery module, the two wire clamping grooves are used for clamping one FFC branch line and are used for clamping the same FFC branch line, and the two wire clamping grooves are arranged at intervals along the width direction of the wire accommodating groove.

As an optimal scheme of the plastic support of the battery module, an opening is formed in one side, facing the battery cell module, of the clamping groove, and the FFC branch line can be arranged in the clamping groove through the opening.

As an optimal selection scheme of the plastic support of the battery module, the wire clamping buckle is arranged in a U shape, the width of the wire clamping buckle is matched with the wire accommodating groove, and the two ends of the wire clamping buckle are clamped with the support body.

As an optimal selection scheme of the plastic support of battery module, be provided with temperature sensing piece mounting groove on the support body, temperature sensing piece mounting groove with hold the wire casing intercommunication, temperature sensing piece set up in the temperature sensing piece mounting groove.

As an optimal scheme of the plastic support of the battery module, the plastic support of the battery module further comprises a printed circuit board, the printed circuit board and the connector are arranged in a one-to-one correspondence manner, and the FFC main circuit is electrically connected with the connector through the printed circuit board.

As a preferred scheme of the plastic support of the battery module, the plastic support of the battery module further comprises a series aluminum bar and a nickel sheet, and the FFC branch circuit is electrically connected with the series aluminum bar through the nickel sheet.

As an optimal scheme of a plastic support of a battery module, two plastic supports of the battery module are connected with one battery cell module, one of the two plastic supports of the battery module connected with one battery cell module is provided with two composite output electrode rows, and the two composite output electrode rows are respectively connected with a positive electrode and a negative electrode of the battery cell module.

The battery module comprises a battery cell module and plastic supports, wherein the plastic supports are arranged at the two ends of the battery cell module and used for supporting the battery module according to any one of the schemes.

The utility model has the advantages that:

the utility model discloses a wire holding groove is arranged below one side of the bracket body close to the cell module for holding the FFC main line, which can effectively reduce the exposure of the FFC main line, avoid the damage of welding to the FFC main line and reduce the risk of short circuit; meanwhile, the FFC branch line and the FFC main line are fixed by respectively arranging the wire clamping grooves and the wire clamping buckles, so that the fixing operation difficulty is low, the convenience degree is higher, the operation efficiency is effectively improved, the fault-tolerant rate is low, and the connection is more reliable; in addition, the FFC main line is provided with two ways, two ways of FFC main lines extend from the middle part of the support body to two ends respectively, and the FFC main line of each way is arranged in a double-layer mode, so that the space utilization rate is improved compared with the FFC main line arranged in a single-layer mode, the technology is easier to realize, meanwhile, the thickness of the FFC main line is more adaptive to the line accommodating groove, and the small modularization and the side collection of the battery module are more convenient.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

Fig. 1 is a schematic view of a viewing angle of a plastic bracket of a battery module according to an embodiment of the present invention;

FIG. 2 is an enlarged partial schematic view at A of FIG. 1;

fig. 3 is a schematic view of another view angle of a plastic bracket of another battery module according to an embodiment of the present invention.

In the figure:

100. FFC branch lines; 200. an FFC main line; 300. a temperature sensing member;

1. a stent body; 11. a wire accommodating groove; 12. a wire clamping groove; 121. an opening; 13. a temperature sensing piece mounting groove;

2. clamping a wire buckle;

3. a connector; 31. a printed circuit board;

41. connecting aluminum bars in series; 42. a nickel sheet; 43. and (4) outputting the compound row of the poles.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. 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.

In the description of the present invention, 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly and encompass, for example, both fixed and removable connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The technical solution of the present invention is further explained by the following embodiments with reference to the drawings.

As shown in fig. 1-3, the present embodiment provides a plastic bracket for a battery module, the plastic bracket for a battery module includes a bracket body 1, a wire clip 2 and a connector 3, a wire accommodating groove 11 is formed below one side of the bracket body 1 close to an electrical core module, the bracket body 1 is further provided with a wire clip groove 12, and an ffc branch line 100 can be clipped in the wire clip groove 12; the wire clamping buckle 2 is clamped with the wire accommodating groove 11 so as to clamp the FFC main line 200 in the wire accommodating groove 11; connectors 3 are arranged on two sides of the support body 1, two FFC main lines 200 are arranged, and each FFC main line 200 is arranged in a double-layer mode and is electrically connected with one connector 3.

The wire accommodating groove 11 is arranged below one side of the bracket body 1 close to the battery cell module and is used for accommodating the FFC main line 200, so that the exposure of the FFC main line 200 can be effectively reduced, the damage of welding to the FFC main line 200 is avoided, and the risk of short circuit is reduced; meanwhile, the FFC branch line 100 and the FFC main line 200 are fixed by respectively arranging the line clamping groove 12 and the line clamping buckle 2, so that the fixing operation difficulty is low, the convenience degree is higher, the operation efficiency is effectively improved, the fault-tolerant rate is low, and the connection is more reliable; in addition, two FFC main lines 200 are provided with two ways, two FFC main lines 200 extend to both ends from the middle part of the support body 1 respectively, and every FFC main line 200 of way is double-deck to be arranged, on the one hand relatively in FFC main line 200 individual layer arrangement, space utilization has been improved, on the other hand relatively in multilayer arrangement's FFC main line 200, the technique is changeed and is realized, have the thickness with holding wire casing 11 more adaptation simultaneously, the little modularization and the side collection of the battery module of being convenient for more.

As an alternative of a plastic bracket of a battery module, in order to ensure the reliability of clamping the FFC main line 200, a plurality of wire clamping buckles 2 are arranged, and the plurality of wire clamping buckles 2 are arranged at intervals along the length direction of the wire accommodating groove 11. Illustratively, one wire clip 2 is provided at intervals of 79mm, and four wire clips 2 are provided on each of the main lines 200 of the FFC.

Further, the wire clamping buckle 2 is U-shaped, the width of the U-shaped wire clamping buckle 2 is matched with the wire accommodating groove 11, and two ends of the wire clamping buckle 2 are clamped with the support body 1. Optionally, the two ends of the U-shaped wire clamping buckle 2 are provided with clamping holes, the support body 1 is provided with clamping protrusions, the clamping protrusions are arranged in the clamping holes to clamp the wire clamping grooves 12 and the support body 1 in a clamped mode, clamping operation is simpler, and clamping is more reliable. It should be noted that the wire clip 2 is made of an insulating material to avoid electrical interference and even short circuit between the wire clip 2 and the FFC main line 200.

Specifically, the two card wire slots 12 are used for clamping one FFC branch line 100, and since the FFC branch line 100 is converged with the FFC main line 200 in a direction perpendicular to the FFC main line 200, the two card wire slots 12 for clamping the same FFC branch line 100 are arranged at intervals in the width direction of the wire accommodating slot 11. By arranging the two wire clamping grooves 12 to clamp one FFC branch line 100, the problem that the FFC branch line 100 is partially tilted can be further effectively avoided.

Optionally, in order to facilitate the clamping connection between the FFC branch line 100 and the card slot 12, an opening 121 is disposed on one side of the card slot 12 facing the battery cell module, and during installation, the FFC branch line 100 is placed in the card slot 12 through the opening 121, so as to achieve the connection between the FFC branch line 100 and the card slot 12. The arrangement of the wire clamping groove 12 realizes the clamping connection of the FFC branch line 100 by improving the self structure of the bracket body 1, thereby being beneficial to simplifying the process and reducing the cost.

As the alternative of the plastic support of a battery module, a temperature sensing piece mounting groove 13 is formed in the support body 1, the temperature sensing piece mounting groove 13 is communicated with the wire accommodating groove 11, and the temperature sensing piece 300 is arranged in the temperature sensing piece mounting groove 13. Through setting up temperature-sensing piece 300 for acquire the temperature of electric core module in real time, improve the security of battery module. Through setting up temperature-sensing piece 300 in temperature-sensing piece mounting groove 13, and with temperature-sensing piece mounting groove 13 and appearance wire casing 11 intercommunication, be convenient for lay temperature-sensing piece 300's wire, further improve space utilization.

In this embodiment, the plastic bracket of the battery module further includes a printed circuit board 31, the printed circuit board 31 and the connector 3 are disposed in a one-to-one correspondence, and the FFC main line 200 is electrically connected to the connector 3 through the printed circuit board 31. It is worth to be noted that, by arranging the FFC main line 200 into two paths, the number of PINs on the connector 3 is reduced, so that the plugging and unplugging of the connector 3 are more labor-saving, meanwhile, the damage to the PINs in the process of plugging and unplugging the connector 3 is reduced, and the risk of failure of the connector 3 is effectively reduced.

Further, the plastic bracket of the battery module further includes a serial aluminum bar 41 and a nickel plate 42, and the ffc branch circuit 100 is electrically connected to the serial aluminum bar 41 through the nickel plate 42. Through setting up nickel piece 42, realize the connection of series connection aluminium row 41 and FFC branch circuit 100, can avoid the electrochemical corrosion that different materials connect the production effectively, guaranteed battery module's security.

Exemplarily, the nickel sheet 42 is disposed on one side of the bracket body 1 close to the battery cell module, so that the influence of an external environment on the connection position of the nickel sheet 42 can be effectively reduced; and the nickel sheet 42 is arranged at the upper end of the bracket body 1, namely, at the end far away from the FFC branch line 100, so that the influence on the FFC branch line 100 when the nickel sheet 42 is welded can be effectively avoided, and the reliability of the FFC branch line 100 is further ensured.

In this embodiment, the series aluminum busbar 41 is provided with connecting pieces corresponding to the battery cells of the battery module one to one, each two connecting pieces are a group, two wire clamping slots 12 are arranged between the two connecting pieces of each group at intervals along the width direction of the wire accommodating slot 11, and the two wire clamping slots 12 are used for clamping one FFC branch circuit 100.

This embodiment still discloses a battery module, including electric core module and set up in the plastic support of the battery module of arbitrary scheme as above at electric core module both ends.

It should be noted that the plastic supports of two battery modules are connected to one battery cell module, one of the plastic supports of two battery modules connected to one battery cell module is shown in fig. 3 and is provided with two output electrode composite rows 43, the two output electrode composite rows 43 are respectively connected to the positive electrode and the negative electrode of the battery cell module, and the other is shown in fig. 1 and is not provided with the output electrode composite row 43.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. The plastic support of battery module, its characterized in that includes:

the battery cell module support comprises a support body (1), wherein a wire accommodating groove (11) is formed below one side, close to the battery cell module, of the support body (1), a wire clamping groove (12) is further formed in the support body (1), and an FFC branch line (100) can be clamped in the wire clamping groove (12);

the wire clamping buckle (2) is clamped with the wire accommodating groove (11) so as to clamp the FFC main line (200) in the wire accommodating groove (11);

the FFC main line comprises connectors (3), wherein the connectors (3) are arranged on two sides of the support body (1), two ways of FFC main lines (200) are arranged, and each way of FFC main line (200) is arranged in a double-layer mode and is electrically connected with one connector (3).

2. The plastic support for the battery module according to claim 1, wherein the plurality of wire clips (2) are provided, and the plurality of wire clips (2) are arranged at intervals along the length direction of the wire accommodating groove (11).

3. The plastic bracket of battery module as claimed in claim 1, wherein two wire-clamping slots (12) are used for clamping one FFC branch line (100), and two wire-clamping slots (12) for clamping the same FFC branch line (100) are arranged at intervals along the width direction of the wire-accommodating slot (11).

4. The plastic support of battery module according to claim 1, wherein an opening (121) is provided at a side of the wire clamping groove (12) facing the battery cell module, and the FFC branch line (100) can be placed in the wire clamping groove (12) through the opening (121).

5. The plastic support of battery module according to claim 1, wherein the wire clip (2) is provided with a U-shape, the width of the U-shaped wire clip (2) is adapted to the wire accommodating groove (11), and two ends of the wire clip (2) are connected to the support body (1) in a clamping manner.

6. The plastic support for the battery module according to any one of claims 1 to 5, wherein a temperature-sensitive member mounting groove (13) is formed in the support body (1), the temperature-sensitive member mounting groove (13) is communicated with the wire accommodating groove (11), and the temperature-sensitive member (300) is disposed in the temperature-sensitive member mounting groove (13).

7. The plastic support for a battery module according to any one of claims 1 to 5, wherein the plastic support for a battery module further comprises a printed circuit board (31), the printed circuit board (31) and the connector (3) are disposed in a one-to-one correspondence, and the FFC main circuit (200) is electrically connected to the connector (3) through the printed circuit board (31).

8. The plastic bracket of any one of claims 1 to 5, further comprising a series aluminum row (41) and a nickel plate (42), wherein the FFC branch circuit (100) is electrically connected with the series aluminum row (41) through the nickel plate (42).

9. The plastic support for battery modules according to any one of claims 1 to 5, wherein the plastic supports for two battery modules are connected to one of the cell modules, one of the plastic supports for two battery modules connected to one of the cell modules is provided with two composite output electrode rows (43), and the two composite output electrode rows (43) are respectively connected to the positive electrode and the negative electrode of the cell module.

10. The battery module is characterized by comprising a battery cell module and plastic supports, wherein the plastic supports are arranged at two ends of the battery cell module, and the plastic supports are as claimed in any one of claims 1 to 9.