CN218005083U

CN218005083U - Battery pack noise reduction device

Info

Publication number: CN218005083U
Application number: CN202221815566.6U
Authority: CN
Inventors: 葛有为; 许可; 李鸣; 刘书言; 其他发明人请求不公开姓名
Original assignee: Svolt Energy Technology Co Ltd
Current assignee: Svolt Energy Technology Co Ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2022-12-09
Anticipated expiration: 2032-07-14

Abstract

The utility model provides a device of making an uproar falls in battery package, include: the support body is arranged on the battery pack shell; the connecting part is arranged on the supporting body and protrudes relative to the supporting end surface of the supporting body; the elastic component is sleeved on the connecting component and is respectively contacted with the connecting component and the battery power distribution unit; and the buffer component is arranged between the support body and the battery shell and is respectively connected with the support body and the battery shell. The utility model provides a problem of the easy noise that produces between battery package and the battery power distribution unit among the prior art.

Description

Battery pack noise reduction device

Technical Field

The utility model relates to a battery package falls the technical field of making an uproar, particularly, relates to a device of making an uproar falls in battery package.

Background

At present, with the continuous development of electric vehicles, the functional requirements on batteries are higher and higher, and a Battery Distribution Unit (BDU) is used as a device for switching on and off high voltage power batteries of new energy vehicles, and plays an important role in the safety of Battery packs.

However, in the operation process of the electric automobile, the battery power distribution unit is inevitably contacted with the battery pack to generate abnormal sound, and in the prior art, the sound insulation material is only arranged at the position where the battery pack is connected with the whole automobile to improve the problem, so that the noise problem in the suction process of the battery power distribution unit and the battery pack cannot be improved, and the comfort level of a user is poor.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a battery pack noise reduction device to solve the problem of noise generation between the battery pack and the battery power distribution unit in the prior art.

In order to achieve the above object, the utility model provides a device of making an uproar falls in battery package, include: the support body is arranged on the battery pack shell; the connecting part is arranged on the supporting body and protrudes relative to the supporting end surface of the supporting body; the elastic component is sleeved on the connecting component and is respectively contacted with the connecting component and the battery power distribution unit; and the buffer component is arranged between the support body and the battery shell and is respectively connected with the support body and the battery shell.

Further, a predetermined gap is provided between the battery power distribution unit and the battery pack case.

Furthermore, the connecting parts are multiple and are arranged at intervals along the extending direction of the support body; the elastic members are provided in a plurality, and the plurality of elastic members and the plurality of connecting members are provided in one-to-one correspondence.

Further, the support body is provided with an installation hole site; adapting unit includes relative stiff end and the free end that sets up, and adapting unit's stiff end sets up in the installation hole site, and adapting unit's free end extends to and stretches out the installation hole site towards keeping away from the direction of supporting the body.

Furthermore, a blocking flanging is arranged at the free end of the connecting part and extends along the circumferential direction of the connecting part; at least part of the elastic component is sleeved on the connecting component and is contacted with the blocking flanging, and the elastic component is blocked by the blocking flanging.

Furthermore, a yielding groove is formed in the body of the battery power distribution unit, at least part of the connecting component and the elastic component are located in the yielding groove, and at least part of the elastic component is in contact with the wall surface of the yielding groove.

Furthermore, a clamping groove is formed in the body of the elastic component and extends along the circumferential direction of the elastic component; the groove wall surface of the abdicating groove is provided with a clamping plate, the clamping plate extends towards the middle direction of the clamping groove from the inner wall surface of the clamping groove, and at least part of the clamping plate is clamped into the clamping groove.

Furtherly, elastomeric element is the column, is provided with the laminating terminal surface with the tank bottom surface laminating of joint groove on the cardboard, and the laminating terminal surface is the arcwall face.

Furthermore, a mounting cavity is formed in the support body, and at least part of the buffer component is arranged in the mounting cavity; the support body is at least two, and at least two support bodies set up along battery power distribution unit's width direction interval.

Furthermore, the mounting cavity extends along the length direction of the support body, and the extending direction of the buffering component is consistent with the extending direction of the mounting cavity; and/or the buffer component is made of sound absorption materials.

By applying the technical scheme of the utility model, the battery pack noise reduction device comprises a support body, a connecting part, an elastic part and a buffer part, wherein the support body is arranged on the battery pack shell; the connecting part is arranged on the supporting body and protrudes relative to the supporting end surface of the supporting body; the elastic component is sleeved on the connecting component and is respectively contacted with the connecting component and the battery power distribution unit; the buffer component is arranged between the support body and the battery shell, and the buffer component is respectively connected with the support body and the battery shell. The setting can utilize elastic component and buffer component combined action, utilizes elastic component and buffer component to absorb the amplitude at the in-process of battery distribution unit work like this, avoids because the noise that mutual collision produced is propagated between battery distribution unit and the battery package casing.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram illustrating the cooperation between a battery power distribution unit and a battery pack housing in the noise reduction device for a battery pack according to the present invention;

fig. 2 is a top view of the battery power distribution unit and the battery can housing in the noise reduction apparatus according to the present invention;

FIG. 3 illustrates a cross-sectional view B-B of the battery pack noise reducer according to FIG. 2;

fig. 4 shows a cross-sectional view of the elastic member and the connection member of the noise reduction device for a battery pack according to the present invention;

fig. 5 shows a schematic structural diagram of a battery power distribution unit of the battery pack noise reduction apparatus according to the present invention;

fig. 6 shows a top view of the battery power distribution unit of the battery pack noise reduction device according to the present invention.

Wherein the figures include the following reference numerals:

100. a battery pack housing; 1. a support body; 2. a connecting member; 3. an elastic member; 200. a battery power distribution unit; 4. a buffer member; 10. mounting hole sites; 20. blocking the flanging; 201. a yielding groove; 30. a clamping groove; 202. clamping a plate; 11. and (7) installing a cavity.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Referring to fig. 1 to 6, the present invention provides a battery pack noise reduction device, including: a support body 1 provided on the battery pack case 100; a connecting member 2 provided on the support body 1, the connecting member 2 projecting with respect to a support end surface of the support body 1; the elastic component 3 is sleeved on the connecting component 2, and the elastic component 3 is respectively contacted with the connecting component 2 and the battery power distribution unit 200; and a buffer member 4 disposed between the support body 1 and the battery pack case 100, the buffer member 4 being connected to the support body 1 and the battery pack case 100, respectively.

According to the utility model provides a battery pack noise reduction device, including support body 1, adapting unit 2, elastomeric element 3 and buffer 4, support body 1 sets up on battery pack casing 100; the connecting part 2 is arranged on the supporting body 1, and the connecting part 2 protrudes relative to the supporting end face of the supporting body 1; the elastic part 3 is sleeved on the connecting part 2, and the elastic part 3 is respectively contacted with the connecting part 2 and the battery power distribution unit 200; the cushioning member 4 is provided between the support body 1 and the battery pack case 100, and the cushioning member 4 is connected to the support body 1 and the battery pack case 100, respectively. This arrangement can prevent noise transmission between the battery power distribution unit 200 and the battery pack case 100 due to collision between the battery power distribution unit 200 and the battery pack case 100 by using the elastic member 3 and the buffer member 4 to act together and absorbing vibration amplitude by using the elastic member 3 and the buffer member 4.

To further reduce noise, the battery power distribution unit 200 has a predetermined gap with the battery pack case 100. This enables more noise to propagate along the air.

In the embodiment provided by the present invention, the connecting members 2 are plural, and the plural connecting members 2 are arranged at intervals along the extending direction of the supporting body 1; the number of the elastic members 3 is plural, and the plural elastic members 3 are provided in one-to-one correspondence with the plural connecting members 2. The elastic members 3 are preferably made of rubber, and 6 elastic members 3 are provided, so that when the battery distribution unit 200 is in contact with the battery pack case 100, the elastic members 3 are compressed to perform vibration and noise resistance.

Specifically, the support body 1 is provided with an installation hole site 10; the connecting part 2 comprises a fixed end and a free end which are oppositely arranged, the fixed end of the connecting part 2 is arranged in the mounting hole site 10, and the free end of the connecting part 2 extends to the mounting hole site 10 in a direction far away from the support body 1. The elastic part 3 is supported by the connecting part 2, and the connecting part 2 is embedded in the mounting hole 10, so that the connection between the connecting part 2 and the support body 1 is more stable.

In order to prevent the elastic part 3 from being separated from the connecting part 2 in the expansion process, the free end of the connecting part 2 is provided with a blocking flanging 20, and the blocking flanging 20 extends along the circumferential direction of the connecting part 2; at least part of the elastic part 3 is sleeved on the connecting part 2 and is contacted with the blocking flange 20, and the elastic part 3 is blocked by the blocking flange 20.

In the specific implementation process, the body of the battery power distribution unit 200 is provided with a yielding groove 201, at least part of the connecting component 2 and the elastic component 3 are both located in the yielding groove 201, and at least part of the elastic component 3 is in contact with the groove wall surface of the yielding groove 201. This arrangement can prevent the elastic member 3 from protruding from the body of the battery power distribution unit 200, and the overall structure of the battery power distribution unit 200 is more compact.

In order to ensure that the elastic component 3 is stably installed, a clamping groove 30 is formed in the body of the elastic component 3, and the clamping groove 30 extends along the circumferential direction of the elastic component 3; the wall surface of the abdicating groove 201 is provided with a clamping plate 202, the clamping plate 202 extends from the inner wall surface of the clamping groove 30 towards the middle direction of the clamping groove 30, and at least part of the clamping plate 202 is clamped into the clamping groove 30. Through the joint of cardboard 202 and the joint groove 30 on the body of elastomeric element 3, avoid elastomeric element 3 to take place great displacement, under cardboard 202 and adapting unit 2's combined action, guarantee elastomeric element 3's stability.

Preferably, the elastic component 3 is a column, and the clamping plate 202 is provided with a fitting end face fitted with the groove bottom face of the clamping groove 30, and the fitting end face is an arc-shaped face. This arrangement makes the fit of the card 202 and the elastic member 3 tighter.

In the embodiment provided by the utility model, the supporting body 1 is provided with the installation cavity 11, and at least part of the buffering component 4 is arranged in the installation cavity 11; the number of the support bodies 1 is at least two, and the at least two support bodies 1 are arranged at intervals in the width direction of the battery distribution unit 200. This ensures that the battery power distribution unit 200 is mounted in a balanced manner, leaving a gap between the battery power distribution unit 200 and the battery pack case 100.

The mounting cavity 11 extends along the length direction of the support body 1, and the extending direction of the buffer component 4 is consistent with the extending direction of the mounting cavity 11; and/or, the buffer member 4 is a sound absorbing material. Specifically, sound is absorbed by the sound absorbing material.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

For ease of description, spatially relative terms such as "over … …", "over … …", "over … …", "over", etc. may be used herein to describe the spatial positional relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A battery pack noise reduction device, comprising:

a support body (1) provided on the battery pack case (100);

the connecting part (2) is arranged on the supporting body (1), and the connecting part (2) protrudes relative to the supporting end face of the supporting body (1);

the elastic component (3) is sleeved on the connecting component (2), and the elastic component (3) is respectively contacted with the connecting component (2) and the battery power distribution unit (200);

the buffer component (4) is arranged between the support body (1) and the battery pack shell (100), and the buffer component (4) is connected with the support body (1) and the battery pack shell (100) respectively.

2. The battery pack noise reduction device of claim 1, wherein the battery power distribution unit (200) and the battery pack housing (100) have a predetermined gap therebetween.

3. The battery pack noise reduction device according to claim 1, wherein the connection member (2) is plural, and the plural connection members (2) are provided at intervals in an extending direction of the support body (1);

the number of the elastic components (3) is multiple, and the elastic components (3) and the connecting components (2) are arranged in a one-to-one correspondence manner.

4. The battery pack noise reduction device according to claim 1, wherein the support body (1) is provided with mounting holes (10);

adapting unit (2) are including relative stiff end and the free end that sets up, adapting unit's (2) stiff end sets up in installation hole site (10), adapting unit's (2) free end orientation is kept away from the direction of supporting body (1) extends to and stretches out installation hole site (10).

5. The battery pack noise reduction device according to claim 4, wherein the free end of the connection part (2) is provided with a blocking flange (20), the blocking flange (20) extending in the circumferential direction of the connection part (2);

at least part of the elastic component (3) is sleeved on the connecting component (2) and is in contact with the blocking flanging (20), and the elastic component (3) is blocked by the blocking flanging (20).

6. The battery pack noise reduction device according to claim 1, wherein a recess (201) is formed in the body of the battery distribution unit (200), at least part of the connection component (2) and the elastic component (3) are both located in the recess (201), and at least part of the elastic component (3) is in wall contact with the recess (201).

7. The battery pack noise reduction device according to claim 6, wherein a snap groove (30) is formed in the body of the elastic component (3), and the snap groove (30) extends along the circumferential direction of the elastic component (3);

be provided with cardboard (202) on the groove wall face of recess (201) of stepping down, cardboard (202) by on the internal face of joint groove (30) towards the middle part direction of joint groove (30) extends, at least part joint of cardboard (202) extremely in joint groove (30).

8. The battery pack noise reduction device according to claim 7, wherein the elastic member (3) is columnar, and the clamping plate (202) is provided with an attaching end surface attached to the bottom surface of the clamping groove (30), wherein the attaching end surface is an arc-shaped surface.

9. The battery pack noise reduction device according to claim 1, wherein the support body (1) is provided with a mounting cavity (11), and at least part of the buffer member (4) is arranged in the mounting cavity (11);

the number of the support bodies (1) is at least two, and the at least two support bodies (1) are arranged at intervals in the width direction of the battery distribution unit (200).

10. The battery pack noise reduction device according to claim 9, wherein the mounting cavity (11) extends along a length direction of the support body (1), and an extension direction of the buffer member (4) coincides with an extension direction of the mounting cavity (11); and/or the presence of a gas in the gas,

the buffer component (4) is made of sound absorption materials.