CN219739220U

CN219739220U - Supporting structure of battery module wire harness and battery module

Info

Publication number: CN219739220U
Application number: CN202320876735.5U
Authority: CN
Inventors: 陈云伟; 刘光毅; 孔祥宇; 郝园园
Original assignee: Chongqing Three Gorges Times Energy Technology Co ltd
Current assignee: Chongqing Gengchen Energy Technology Co ltd
Priority date: 2023-04-18
Filing date: 2023-04-18
Publication date: 2023-09-22
Anticipated expiration: 2033-04-18

Abstract

The utility model discloses a supporting structure of a battery module wire harness and a battery module, wherein the battery module comprises a plurality of electric cores, the supporting structure comprises a plurality of supporting plate units, the electric cores are installed in one-to-one correspondence with the supporting plate units, the supporting plate units are provided with positioning grooves, the electric cores are clamped in the positioning grooves, one surface of each supporting plate unit, which is away from each electric core, is convexly provided with a convex rib, each convex rib is provided with a binding hole, and a binding belt penetrates through each binding hole and binds the wire harness; according to the technical scheme, the supporting plate unit is provided with the positioning groove, and the battery cells are clamped in the positioning groove, so that the battery cells and the supporting plate unit are installed in one-to-one correspondence, and the flexibility is very high. And the supporting structure can avoid deformation and cracking caused by the expansion of the battery cell, and the service life of the supporting structure is prolonged. The one side protrusion that backup pad unit deviates from the electric core is provided with the fin, and the fin has and ties up the hole, and the ribbon of being convenient for runs through and ties up the hole and bind the pencil, and the pencil can be fixed on backup pad unit.

Description

Supporting structure of battery module wire harness and battery module

Technical Field

The utility model relates to the technical field of batteries, in particular to a supporting structure of a battery module wire harness and a battery module.

Background

The current collection of the voltage signals of the battery cells of the new energy battery module commonly used in the market is carried out through a flexible circuit board or a wire harness. And adopt the mode that the pencil gathered, need use fixed knot to construct to fix the pencil to avoid the pencil chaotic.

But current pencil fixed knot constructs is a whole battery module and integrated into one piece's support that runs through, and the support is bulky. Because a battery module is provided with a plurality of electric cores, the expansion of one or a plurality of electric cores in the battery module during operation is extremely easy to occur, so that the bracket is deformed and cracked, and the service life of the bracket is shortened.

Disclosure of Invention

The utility model mainly aims to provide a supporting structure of a battery module wire harness, which aims to solve the problem that the existing wire harness fixing structure is easy to deform and crack due to expansion of one or more battery cells in a battery module, so that the service life is shortened.

In order to achieve the above object, according to the present utility model, a support structure for a battery module harness is provided, in which a battery cell is mounted, the support structure comprising:

the battery cell is installed in one-to-one correspondence with the support plate units, each support plate unit is provided with a positioning groove, the battery cell is clamped in the positioning groove, one face of the support plate unit, which deviates from the battery cell, is convexly provided with a convex rib, the convex rib is provided with a bundling hole, and the bundling belt penetrates through the bundling hole and bundles the wire harness on the support plate unit.

Optionally, the convex rib comprises two convex parts which are mutually connected in a cross way, and the binding hole is arranged at the cross joint of the two convex parts.

Optionally, the supporting plate unit is provided with a through hole corresponding to the bundling hole, and the through hole is communicated with the bundling hole.

Optionally, the backup pad unit is equipped with the spacing groove, the inner wall protrusion in spacing groove is provided with the stopper, electric core joint in the spacing groove, and the butt in the stopper.

Optionally, the convex rib further comprises a supporting rib, the supporting rib surrounds the limiting groove, the bus bar is arranged in the limiting groove, and the supporting rib supports the bus bar.

Optionally, the backup pad unit deviates from the one side of electric core still the protrusion is provided with fixed part, fixed part is close to the fin sets up, the fixed part is used for fixed nickel piece on the pencil.

Optionally, the fixing portion includes a vertical portion and two opposite clamping blocks, the vertical portion is disposed on the support plate unit, the two clamping blocks are protruded and disposed on the vertical portion, and the nickel sheet is clamped and connected to the two clamping blocks.

Optionally, the fixture block is provided with a clamping groove, and the nickel sheet is clamped in the clamping groove.

The utility model also provides a battery module, which comprises a battery core, a busbar, a wire harness, a binding belt and a supporting structure of the wire harness of the battery module, wherein the supporting structure is arranged between the battery core and the busbar, the busbar is provided with at least two connecting parts, the two connecting parts are respectively connected with two adjacent battery cores, and the binding belt penetrates through the binding hole and binds the wire harness on the supporting plate unit.

Optionally, the busbar includes two at least busbar units, the battery module includes first electric core, second electric core and third electric core, two busbar unit dislocation is located backup pad unit, one of them busbar unit with first electric core with the second electric core is connected, another busbar unit with the second electric core with the third electric core is connected.

According to the technical scheme, the supporting plate unit is provided with the positioning groove, and the battery cells are clamped in the positioning groove, so that the battery cells and the supporting plate unit are installed in one-to-one correspondence, and the flexibility is very high. And the supporting structure can avoid deformation and cracking caused by the expansion of the battery cell, and the service life of the supporting structure is prolonged. In addition, the one side protrusion that backup pad unit deviates from the electric core is provided with the fin, and the fin has and ties up the hole, and the ribbon of being convenient for runs through and ties up the hole and bind the pencil, and the pencil can be fixed on backup pad unit.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view showing the structure of a supporting structure of a battery module harness according to an embodiment of the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a schematic structural view of an embodiment of a battery module according to the present utility model;

fig. 4 is a partial enlarged view at B in fig. 3.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name
				100	Supporting structure	161	Clamping block
10	Support plate unit	162	Clamping groove
				11	Positioning groove	20	Battery cell
12	Convex rib	21	First cell
				120	Bundling hole	22	Second cell
121	Projection part	23	Third cell
				13	Support rib	30	Bus bar
14	Through hole	31	Bus bar unit
				15	Limiting groove	32	Connecting part
150	Limiting block	40	Wire harness
				16	Fixing part	41	Nickel sheet
160	Vertical part	50	Ribbon
				163	Positioning round dot	101	Battery module

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout is meant to include three side-by-side schemes, for example, "a and/or B", including a scheme, or B scheme, or a scheme that is satisfied by both a and B. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The utility model provides a supporting structure 100 of a battery module 101 wire harness 40 and a battery module 101. Referring to fig. 1 to 4, fig. 1 is a schematic view illustrating a structure of an embodiment of a supporting structure 100 of a wire harness 40 of a battery module 101 according to the present utility model; FIG. 2 is an enlarged view of a portion of FIG. 1 at A; fig. 3 is a schematic structural diagram of an embodiment of a battery module 101 according to the present utility model; fig. 4 is a partial enlarged view at B in fig. 3.

In the embodiment of the present utility model, as shown in fig. 1 to 4, a support structure 100 of a battery module 101 harness 40 according to the present utility model, a battery cell 20 is mounted on the support structure 100, and the support structure 100 includes:

the battery cell 20 and the support plate units 10 are installed in a one-to-one correspondence, each support plate unit 10 is provided with a positioning groove 11, the battery cell 20 is clamped in the positioning groove 11, one surface of the support plate unit 10, which faces away from the battery cell 20, is convexly provided with a convex rib 12, the convex rib 12 is provided with a bundling hole 120, and the bundling belt 50 penetrates through the bundling hole 120 and bundles the wire harness 40 on the support plate unit 10.

According to the technical scheme, the supporting plate unit 10 is arranged, the positioning groove 11 is formed in the supporting plate unit 10, the battery cells 20 are clamped in the positioning groove 11, so that the battery cells 20 and the supporting plate unit 10 are correspondingly installed one by one, and the flexibility is very high. And the supporting structure 100 can avoid deformation and cracking caused by the expansion of the battery cells 20, thereby prolonging the service life of the supporting structure 100. In addition, the side of the support plate unit 10 facing away from the battery cell 20 is convexly provided with a rib 12, the rib 12 is provided with a binding hole 120, so that the binding belt 50 penetrates through the binding hole 120 and binds the wire harness 40, and the wire harness 40 can be fixed on the support plate unit 10.

In an embodiment, one cell 20 is correspondingly provided with one supporting structure 100, and a plurality of cells 20 are arranged together to form a battery module 101, and a gap is formed between two adjacent supporting structures 100, so that the situation of deformation and cracking caused by expansion of the cells 20 is avoided, and the service life of the supporting structure 100 is prolonged.

In one embodiment, the support structure 100 is mounted on the battery cell 20, the wire harness 40 is placed on the support structure 100, the side of the support plate unit 10 away from the battery cell 20 is convexly provided with the rib 12, the binding hole 120 is arranged between the rib 12 and the upper surface of the support plate unit 10, the binding belt 50 penetrates through the binding hole 120 and fixes the wire harness 40 on the rib 12, and the wire harness 40 is fixed on the support structure 100 without deflection.

As shown in fig. 1 to 4, the rib 12 includes two protrusions 121 cross-connected with each other, and a binding hole 120 is provided at the cross-connection of the two protrusions 121.

In one embodiment, two protrusions 121 are cross-connected, and harness 40 spans across both protrusions 121. The two protrusions 121 are provided with a binding hole 120 at the cross-connection so that the binding band 50 passes through the binding hole 120 at the cross-connection to bind the wire harness 40.

As shown in fig. 1 to 4, the support plate unit 10 is provided with a through hole 14 corresponding to the strapping hole 120, and the through hole 14 communicates with the strapping hole 120.

In an embodiment, the supporting plate unit 10 is provided with a through hole 14 corresponding to the bundling hole 120, so as to reduce the blocking effect of the upper surface of the supporting plate unit 10 on the bundling belt 50, so that the bundling belt 50 can conveniently penetrate through the bundling hole 120, and the wire harness 40 is bundled.

As shown in fig. 1 and 3, the supporting plate unit 10 is provided with a limiting groove 15, and a limiting block 150 is convexly arranged on the inner wall of the limiting groove 15, and the battery cell 20 is clamped in the limiting groove 15 and is abutted against the limiting block 150.

In an embodiment, protruding limiting blocks 150 are disposed on four inner walls of the limiting groove 15, and the battery cell 20 is mounted in the limiting groove 15 in a limiting manner, and the limiting blocks 150 are clamped with the battery cell 20 to limit the battery cell 20.

As shown in fig. 1 to 4, the rib 12 further includes a support rib 13, the support rib 13 is disposed around the limit groove 15, the bus bar 30 is disposed in the limit groove 15, and the support rib 13 supports the bus bar 30.

In an embodiment, the battery cell 20 is mounted in the limiting groove 15, the battery cell 20 is clamped with the supporting structure 100, the bus bar 30 is placed on the limiting groove 15, and a part of the structure is abutted with the supporting rib 13 of the supporting structure 100. The bus bar 30 is welded to the battery cell 20 to fix the support plate unit 10 located between the bus bar 30 and the battery cell 20 by the interconnection and fixation of the bus bar 30 and the battery cell 20. The supporting structure 100 is fixed by the bus bar 30 and the battery cell 20 and cannot move, so that the situation that the supporting plate unit 10 and the battery cell 20 are loosened is avoided.

In one embodiment, the bus bar 30 is provided with at least two connecting portions 32, and both connecting portions 32 are concavely disposed toward the direction of the battery cell 20. The two connection parts 32 are welded with the two battery cells 20 in a one-to-one correspondence manner, so that the two adjacent battery cells 20 are connected together through the bus bar 30.

As shown in fig. 1 to 4, the side of the support plate unit 10 facing away from the battery cell 20 is further provided with a fixing portion 16 in a protruding manner, the fixing portion 16 is disposed near the rib 12, and the fixing portion 16 is used for fixing the nickel sheet 41 on the wire harness 40.

In an embodiment, in order to fix the nickel sheet 41 on the wire harness 40, the surface of the support plate unit 10 facing away from the battery cell 20 is further provided with a fixing portion 16 in a protruding manner, and the nickel sheet 41 may be clamped to the fixing portion 16. The support structure 100 of the present utility model can fix the wire harness 40 and the nickel plate 41 at the same time, and after the nickel plate 41 is fixed, the subsequent welding of the nickel plate 41 is facilitated.

Specifically, the fixing portion 16 includes a stand portion 160 and two opposite clamping blocks 161, the stand portion 160 is disposed on the support plate unit 10, the two clamping blocks 161 are disposed on the stand portion 160 in a protruding manner, and the nickel sheet 41 is clamped between the two clamping blocks 161. The upright portion 160 may be provided with a positioning dot 163 in a protruding manner, and the nickel sheet 41 is correspondingly provided with a circular groove, where the positioning dot 163 is clamped in the circular groove, so as to position the nickel sheet 41, thereby facilitating subsequent welding of the nickel sheet 41.

Optionally, the clamping block 161 is provided with a clamping groove 162, and the nickel sheet 41 is clamped in the clamping groove 162.

In one embodiment, each of the latches 161 is triangular in shape. The clamping block 161 is provided with a clamping groove 162, and the nickel sheet 41 is clamped in the clamping groove 162 and is not easy to loose. And the positioning round dots 163 of the vertical parts 160 are matched with the round grooves of the nickel sheets 41, the nickel sheets 41 are fixed in the clamping grooves 162 and cannot deviate, and further the subsequent welding of the nickel sheets 41 is facilitated.

The utility model also provides a battery module 101, which comprises the battery core 20, the busbar 30, the wire harness 40, the ribbon 50 and the supporting structure 100 of the wire harness 40 of the battery module 101, wherein the specific structure of the supporting structure 100 of the wire harness 40 of the battery module 101 refers to the above embodiment, and the battery module 101 adopts all the technical schemes of all the embodiments, so that at least all the beneficial effects brought by the technical schemes of the embodiments are not repeated herein. The supporting structure 100 is disposed between the battery cells 20 and the bus bar 30, the bus bar 30 is provided with at least two connecting portions 32, the two connecting portions 32 are respectively connected with two adjacent battery cells 20, and the binding belt 50 penetrates through the binding hole 120 and binds the wire harness 40 on the supporting plate unit 10.

In one embodiment, both connecting portions 32 of the bus bar 30 are concavely disposed toward the direction of the battery cell 20. The two connection parts 32 are welded with the two battery cells 20 in a one-to-one correspondence manner, so that the two adjacent battery cells 20 are connected together through the bus bar 30. As shown in fig. 3, each supporting structure 100 is fixedly clamped by the electrical core 20 and the bus bar 30, after the electrical cores 20 are installed together through the bus bar 30, the wire harness 40 can stretch across the ribs 12 of the supporting structures 100, and the binding belt 50 can penetrate through the binding hole 120 and bind the wire harness 40, so that the wire harness 40 on the supporting structure 100 cannot shake and swing randomly.

As shown in fig. 3 and 4, the bus bar 30 includes at least two bus bar units 31, the battery module 101 includes a first electric core 21, a second electric core 22 and a third electric core 23, and the two bus bar units 31 are arranged on the support plate unit 10 in a staggered manner, wherein one bus bar unit 31 is connected with the first electric core 21 and the second electric core 22, and the other bus bar unit 31 is connected with the second electric core 22 and the third electric core 23.

In one embodiment, the battery module 101 includes a plurality of battery cells 20, and is fixed by a bus bar 30 for connecting the battery cells 20 together. Specifically, two bus bar units 31 are disposed on one supporting plate unit 10, and the two bus bar units 31 are arranged in a staggered manner, wherein one bus bar unit 31 is connected with the first electric core 21 and the second electric core 22, so that the second electric core 22 can be connected with the first electric core 21 on the left side; the other busbar unit 31 is connected to the second cell 22 and the third cell 23, so that the second cell 22 can be connected to the third cell 23 on the right.

In an embodiment, the second battery cell 22 is connected to the first battery cell 21 and the third battery cell 23 on both sides through the two bus bar units 31, without connecting the plurality of support plate structures 100. The adjacent two supporting plate structures 100 have a gap therebetween, so that deformation and cracking caused by expansion of the battery cells 20 can be avoided. And each supporting plate structure 100 is fixedly clamped by the battery core 20 and the bus bar 30 in a mode of welding the battery core 20 and the bus bar unit 31, and each supporting plate structure 100 is not easy to loosen from the battery core 20 or the bus bar 30, so that the installation stability of the supporting plate structure 100 is guaranteed.

Further, two adjacent battery cells 20 can be adhered and fixed by adhesive, and a plurality of battery cells 20 are connected and fixed together to form the battery module 101. The battery module 101 may be placed in the case to prevent the battery module 101 from being knocked.

The foregoing description of the preferred embodiments of the present utility model should not be construed as limiting the scope of the utility model, but rather should be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the following description and drawings or any application directly or indirectly to other relevant art(s).

Claims

1. A support structure for a battery module harness, characterized in that a battery cell is mounted in the support structure, the support structure comprising:

2. The support structure of a battery module harness according to claim 1, wherein the rib includes two protruding portions that are cross-connected with each other, and the binding hole is provided at the cross-connection of the two protruding portions.

3. The support structure of the battery module harness according to claim 2, wherein the support plate unit is provided with a through hole corresponding to the bundling hole, the through hole communicating with the bundling hole.

4. The support structure of the battery module harness according to claim 2, wherein the support plate unit is provided with a limit groove, a limit block is provided on an inner wall of the limit groove in a protruding manner, and the battery cell is clamped in the limit groove and is abutted against the limit block.

5. The support structure of the battery module harness according to claim 4, wherein the protruding rib further comprises a support rib disposed around the limit groove, the bus bar is disposed in the limit groove, and the support rib supports the bus bar.

6. The support structure of the battery module harness according to any one of claims 1 to 5, wherein a fixing portion for fixing a nickel plate on the harness is further provided protruding from a face of the support plate unit facing away from the battery cell, the fixing portion being provided near the protruding rib.

7. The support structure of claim 6, wherein the fixing portion includes a vertical portion and two opposite clamping blocks, the vertical portion is disposed on the support plate unit, the two clamping blocks are disposed on the vertical portion in a protruding manner, and the nickel sheet is clamped between the two clamping blocks.

8. The support structure of claim 7, wherein the clip is provided with a clip groove, and the nickel plate is clipped to the clip groove.

9. A battery module, characterized by, including electric core, busbar, pencil, ribbon and the bearing structure of battery module pencil of arbitrary one of claims 1 through 8, bearing structure locates between electric core and the busbar, the busbar is equipped with two at least connecting portions, two connecting portions respectively with two adjacent electric core are connected, the ribbon runs through the bundling hole, and bind the pencil on the backup pad unit.

10. The battery module of claim 9, wherein the bus bar comprises at least two bus bar units, the battery module comprises a first cell, a second cell and a third cell, the two bus bar units are arranged on the support plate unit in a staggered manner, one bus bar unit is connected with the first cell and the second cell, and the other bus bar unit is connected with the second cell and the third cell.