CN219067048U

CN219067048U - Elastic vibration reduction support and battery pack

Info

Publication number: CN219067048U
Application number: CN202222879050.4U
Authority: CN
Inventors: 田世保
Original assignee: Chuneng New Energy Co Ltd
Current assignee: Chuneng New Energy Co Ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-05-23
Anticipated expiration: 2032-10-31

Abstract

The utility model discloses an elastic vibration reduction support and a battery pack. The novel connecting device comprises a support body, connecting portions are respectively arranged at the upper end and the lower end of the support body, at least one end of the connecting portions are elastic portions, each elastic portion comprises a U-shaped piece and a connecting piece, the U-shaped pieces protrude out of the end portions of the support body, the opening ends of the U-shaped pieces face the direction of the support body, one side of each U-shaped piece is fixedly connected with the support body, the other side of each U-shaped piece is fixedly connected with the connecting pieces, the connecting pieces are perpendicular to the support body, and the first mounting holes are formed in the connecting pieces. According to the utility model, the connecting part of the bracket main body and the battery module is designed as the elastic part, and after the BMS is mounted on the bracket main body, the influence of vibration on the BMS in the running process of the vehicle can be effectively reduced through the elastic part, so that the reliability and safety of BMS connection are improved.

Description

Elastic vibration reduction support and battery pack

Technical Field

The utility model belongs to the technical field of power batteries, and particularly relates to an elastic vibration reduction support and a battery pack.

Background

The Battery Management System (BMS) is an important battery device for collecting, managing and guaranteeing various safety data of the battery pack, and most of battery packs are used on automobiles and are often in a jolt vibration environment, so that parts inside the battery packs can vibrate at high frequency in intensity in the running process of the automobile, and the BMS is used as a core part of the whole battery pack, and the structure for installing and fixing the battery packs is important.

BMS adopts support and bolt direct fastening to connect inside the battery package generally, does not have any damping structure on the BMS installing support at present, does not have the anti vibration design yet, leads to appearing BMS fastening failure and the problem of pencil interface grafting inefficacy because of vibration easily in the use.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides an elastic vibration reduction bracket and a battery pack with simple structures, which can effectively reduce the influence of vehicle body vibration on a BMS.

The technical scheme adopted by the utility model is as follows: the utility model provides an elasticity damping support, includes the support main part, the upper and lower both ends of support main part are equipped with connecting portion respectively, and at least one end connecting portion is elastic part, elastic part includes U type spare and connecting piece, U type spare protrusion is arranged in support main part tip, the open end orientation of U type spare support main part direction, U type spare one side with support main part fixed connection, opposite side with connecting piece fixed connection, the connecting piece perpendicular to support main part arranges, first mounting hole set up in on the connecting piece.

Further, the bracket main body is of a planar plate-shaped structure.

Further, the connecting parts at the upper end and the lower end of the bracket main body are elastic parts.

Further, the first mounting hole is a waist-shaped hole.

Further, a second mounting hole is formed in the middle of the bracket main body.

Further, the left and right sides of the support main body are respectively provided with an arc-shaped flanging, and the distance between the edge of the flanging and the support main body is smaller than the distance between the vertex of the arc-shaped flanging section and the support main body.

Further, a lightening hole is formed in the middle of the bracket main body.

Further, a reinforcing rib is arranged in the middle of the bracket main body.

Further, a wire harness fixing portion is provided in the middle of the bracket main body.

A battery pack comprising the elastic vibration reduction support as described above.

The beneficial effects of the utility model are as follows:

1. the connecting part for connecting the bracket main body and the battery module is designed to be an elastic part, and the elastic part is designed to be a U-shaped structure protruding out of the bracket main body, so that the structure is simple, the implementation is easy, and the cost is low; after BMS installs on the support main part, can effectively reduce the vibration of vehicle in-process of traveling and to the produced influence of BMS through this elastic part, improve reliability and the security that BMS connects.

2. The connecting piece with the waist-shaped hole is arranged on one side of the U-shaped structure and is connected with the battery module, so that the mounting is convenient, the distance between the bracket main body and the battery module can be properly adjusted through the waist-shaped hole according to the layout and heat dissipation requirements of equipment in the battery pack, and the reliability of bracket connection is improved.

3. The support main body is of a planar plate-shaped structure, the elastic part and the support main body can be integrally formed by adopting aluminum materials or steel materials, and can also be formed by splicing different materials, so that good vibration reduction effect is provided, and meanwhile, the requirements of part cost reduction and module connection strength can be met.

4. The weight reducing holes arranged on the bracket main body can reduce the weight of the whole bracket, and the aim of light weight of the bracket is fulfilled; the transverse structural strength of the bracket can be enhanced by the transversely arranged reinforcing ribs; the arranged flanging can not only improve the longitudinal strength of the bracket, but also prevent the flanging from cutting the left and right wire harnesses; the wiring harness fixing part can fix and limit the trend of the wiring harness, and the wiring harness arrangement disorder is avoided.

Drawings

Fig. 1 is a schematic perspective view of a bracket body according to the present utility model.

Fig. 2 is a schematic plan view of the body of the bracket according to the present utility model.

Fig. 3 is a schematic view illustrating the mounting of the holder body to the battery module according to the present utility model.

Fig. 4 is a partial enlarged view of fig. 3 at a.

In the figure, 1-a stent body; 2-an installation part; 3-mating part; 4-an elastic part; 5-U-shaped pieces; 5.1-plate; 5.2-arc plate; a 6-connector; 7-a first mounting hole; 8-a second mounting hole; 9-flanging; 9.1-edge; 9.2-vertices; 10-lightening holes; 11-reinforcing ribs; 12-a harness fixing portion; 13-an elastic vibration damping bracket; 14, a box body; 15-a battery module; 16-BMS.

Detailed Description

The following describes the embodiments of the present utility model further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present utility model, but is not intended to limit the present utility model. In addition, technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

As shown in fig. 1 and 2, the present utility model provides an elastic vibration damping bracket, which includes a bracket body 1, wherein one side surface of the bracket body 1 is used as a mounting portion 2 of a BMS 16, the other side surface is used as a mating portion 3 mated with a battery module 15, two connection portions are provided at the upper end and two connection portions are provided at the lower end of the bracket body 1, and the connection portions are required to be connected with the battery module, so that the connection portions at least one end are arranged at one side close to the mating portion, and the connection portions at least one end are elastic portions 4, namely, only two connection portions at the upper end are elastic portions, or only two connection portions at the lower end are elastic portions, or both connection portions at the upper end and the lower end are elastic portions (the scheme is optimal, and only the scheme is shown in the figure). Be equipped with first mounting hole 7 on the connecting portion, be fixed in battery module 15 with this elasticity damping support 13 through first mounting hole 7 and bolt or screw cooperation, support body 1 middle part is equipped with second mounting hole 8, is fixed in on the support body 1 with BMS 16 through second mounting hole 8 and bolt or screw cooperation. According to the utility model, the connecting part of the bracket main body 1 and the battery module 15 is designed as the elastic part 4, and after the BMS 16 is mounted on the battery module 15, the influence of vibration on the BMS in the running process of a vehicle can be effectively reduced through the elastic part, so that the reliability and safety of BMS connection are improved.

In the above scheme, support main part 1 is planar plate structure, and elastic part 4 and support main part 1 can adopt aluminum product or steel integrative stamping forming, also can adopt different material screw fastening or connect as an organic wholely through rivet riveting, when providing good damping effect, can satisfy the requirement of part cost reduction and module connection strength again.

In the above-mentioned scheme, the elastic portion 4 includes a U-shaped member 5 and a connecting member 6, the first mounting hole 7 is disposed on the connecting member 6, the connecting member 6 is in a flat plate structure, and the first mounting hole 7 is a waist-shaped hole; the U-shaped piece 5 is of a U-shaped structure with one opening at one end, wherein the U-shaped structure is formed by integrally connecting two flat plates 5.1 and one arc-shaped plate 5.2, the U-shaped piece 5 integrally protrudes out of the edge of the support main body 1, the opening end of the U-shaped piece faces the direction of the support main body 1, the end part of one flat plate of the U-shaped piece 5 is fixedly connected with the support main body 1, the end part of the other flat plate is fixedly connected with the connecting piece 6, the two flat plates 5.1 are both arranged parallel to the support main body 1, and the connecting piece 6 is perpendicular to the support main body 1. The elastic part 4 is designed to be a U-shaped structure protruding out of the bracket main body 1, and has the advantages of simple structure, easy realization and low cost; and one side of the U-shaped structure is provided with a connecting piece 6 with a waist-shaped hole and is connected with the battery module 15, so that the mounting is convenient, the distance between the bracket main body 1 and the battery module 16 can be properly adjusted through the waist-shaped hole according to the layout and heat dissipation requirements of equipment in the battery pack, and the reliability of bracket connection is improved.

In the above-described aspect, when only the connection portion of one end (upper end or lower end) of the bracket body 1 is an elastic portion, the connection portion of the other end is a separate connection piece perpendicular to the bracket body 1, and does not include a U-shaped portion.

In the above scheme, the left and right sides of the bracket main body 1 are respectively provided with an arc-shaped flanging 9 along the vertical direction, the flanging 9 can be bent towards one side of the mounting part 2 and also can be bent towards one side of the matching part 3, and the longitudinal strength of the bracket main body 1 can be improved through the flanging 9; the distance L1 between the edge 9.1 of the flange 9 and the bracket main body 1 is smaller than the distance L2 between the vertex 9.2 of the arc-shaped section of the flange 9 and the bracket main body 1, and the distance is limited to prevent the edge 9.1 of the flange 9 from cutting a wire harness passing through left and right.

In the above scheme, the middle part of the bracket main body 1 is provided with a plurality of transverse lightening holes 10, and the lightening holes 10 can further reduce the weight of the bracket overall structure. The middle part of the bracket main body 1 is provided with a plurality of reinforcing ribs 11 which are transversely arranged, the reinforcing ribs 11 are formed by inwards recessing or outwards protruding the matching part 2 of the bracket main body 1, so as to avoid collision with BMS installation, and the reinforcing ribs 11 are preferably formed by inwards recessing, so that the transverse strength of the bracket main body 1 can be increased. The middle part of the bracket main body 1 is provided with a wire harness fixing part 12, the wire harness fixing part 12 can be a strip-shaped fixing hole or a round fixing hole, and the wire harness fixing part 12 is used for fixing a sampling wire harness and a communication wire harness of the BMS in cooperation with a rolling belt.

As shown in fig. 3 and 4, the present utility model further provides a battery pack including a case 14, a battery module 15 mounted in the case 14, and a BMS 16 fixed to the battery module 15 through the elastic vibration-damping support 13, wherein when the elastic vibration-damping support 13 is mounted to the battery module 25, a certain distance is formed between the mating part 3 of the support body 1 and the end surface 15.1 of the battery module 15, and the distance can be used as a reserved vibration-proof space or a heat dissipation space of the BMS. The BMS is mounted on the battery module through the elastic vibration reduction support, so that the influence of vibration in the running process of a vehicle on the BMS can be effectively reduced.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be included in the scope of the present utility model. What is not described in detail in this specification is prior art known to those skilled in the art.

Claims

1. An elastic vibration damping support is characterized in that: including support main part (1), the upper and lower both ends of support main part (1) are equipped with connecting portion respectively, and at least one end connecting portion is elastic part (4), elastic part (4) are including U type spare (5) and connecting piece (6), U type spare (5) protrusion is arranged in support main part tip, the open end orientation of U type spare (5) support main part (1) direction, U type spare (5) one side with support main part (1) fixed connection, opposite side with connecting piece (6) fixed connection, connecting piece (6) perpendicular to support main part (1) are arranged, be equipped with first mounting hole on the connecting portion, first mounting hole (7) set up in on connecting piece (6).

2. The elastic vibration-damping mount according to claim 1, wherein: the bracket main body (1) is of a planar plate-shaped structure.

3. The elastic vibration-damping mount according to claim 1, wherein: the connecting parts at the upper end and the lower end of the bracket main body (1) are elastic parts (4).

4. The elastic vibration-damping mount according to claim 1, wherein: the first mounting holes (7) are waist-shaped holes.

5. The elastic vibration-damping mount according to claim 1, wherein: the middle part of the bracket main body is provided with a second mounting hole (8).

6. The elastic vibration-damping mount according to claim 1, wherein: the left and right sides of support main part (1) is equipped with curved turn-ups (9) respectively, edge (9.1) of turn-ups (9) with the distance of support main part (1) is less than the summit (9.2) of the arc section of turn-ups (9) with the distance of support main part (1).

7. The elastic vibration-damping mount according to claim 1, wherein: the middle part of the bracket main body (1) is provided with a lightening hole (10).

8. The elastic vibration-damping mount according to claim 1, wherein: the middle part of the bracket main body (1) is provided with a reinforcing rib (11).

9. The elastic vibration-damping mount according to claim 1, wherein: the middle part of the bracket main body (1) is provided with a wire harness fixing part (12).

10. A battery pack, characterized in that: an elastic vibration damping mount comprising the mount according to any one of claims 1-9.