CN211743292U

CN211743292U - Shock attenuation mounting structure of new energy automobile PACK voltage acquisition piece

Info

Publication number: CN211743292U
Application number: CN202020625411.0U
Authority: CN
Inventors: 贺华明; 戴智特
Original assignee: Dongguan Guixiang Insulation Material Co Ltd
Current assignee: Dongguan Guixiang Insulation Material Co Ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2020-10-23
Anticipated expiration: 2030-04-23

Abstract

The utility model discloses a shock absorption mounting structure of a PACK voltage acquisition piece of a new energy automobile, which comprises a circuit board, a battery PACK and a voltage acquisition piece; the battery PACK has a conductive bar; the voltage acquisition piece comprises a first welding part, a damping part and a second welding part which are integrally formed and connected, the first welding part is welded and conducted with the circuit board, the damping part is of a wave-shaped structure, and the second welding part is welded and conducted with the conductive bar. Be provided with first weld part and second weld part welded fastening on circuit board and battery PACK on through the voltage acquisition piece, and still be provided with a shock-absorbing part on the cooperation voltage acquisition piece, produce vibration and battery in the automobile goes and generate heat at the in-process of work, the battery can expand, the two stress that produces the voltage acquisition piece is offset by the shock-absorbing part, thereby avoid the voltage acquisition piece to break away from or gather the piece and be broken between during operation and battery or circuit board, the life of product has not only been prolonged, the job stabilization nature of product has still been improved.

Description

Shock attenuation mounting structure of new energy automobile PACK voltage acquisition piece

Technical Field

The utility model relates to a voltage acquisition piece field technique especially indicates a shock attenuation mounting structure of new energy automobile PACK voltage acquisition piece.

Background

Along with the increasing exhaustion of traditional energy sources and the increasing severity of environmental pollution, the nation provides strategies for energy conservation, emission reduction and low-carbon economy development, batteries are widely applied due to the characteristics of convenience, rapidness, cyclic utilization and the like in the application process, in order to obtain high power and large capacity, single batteries are required to be connected in series and in parallel to form a battery pack, in order to ensure that the battery pack can normally work, a battery management system is required to uniformly monitor the battery pack in real time, one monitoring link is to monitor the voltage of each single battery in the battery pack, the voltage value of each single battery is required to be collected in real time, and the performance of each single battery is judged.

The current voltage acquisition piece is in operation, because vibration and battery in the driving can generate heat at the in-process of work, expend with heat and contract with cold, the battery can expand, the expansion can be dragged and gather the piece, if gather the piece and have the welding bad, can lead to gathering the piece and break away from with battery or circuit board, if welded structure is stable, then can break gathering the piece for the life of product is not long, and job stabilization nature is not high moreover, consequently is necessary to make further improvement to current voltage acquisition piece structure.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses to the disappearance that prior art exists, its main objective provides a shock attenuation mounting structure of new energy automobile PACK voltage acquisition piece, and it can effectively solve current voltage acquisition piece take place easily and break away from between battery or the circuit board, gather the piece and be broken, short service life and the not high problem of job stabilization nature.

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

a shock absorption mounting structure of a PACK voltage acquisition piece of a new energy automobile comprises a circuit board, a battery PACK and a voltage acquisition piece; the battery PACK has a conductive bar; the voltage acquisition piece comprises a first welding part, a damping part and a second welding part which are integrally formed and connected, the first welding part is welded and conducted with the circuit board, the damping part is of a wave-shaped structure, and the second welding part is welded and conducted with the conductive bar.

Preferably, the circuit board is PCBA or FPCA.

Preferably, the first welding part extends vertically downwards, the circuit board is provided with a via hole, and the first welding part passes through the via hole and extends downwards.

As a preferred scheme, the shock absorption part comprises a first peak, a trough and a second peak, the first peak and the second peak are connected together through the trough, the first welding part vertically extends downwards from the left end of the first peak, and the second welding part horizontally extends rightwards from the right end of the second peak.

Preferably, the second welding part extends horizontally, and the second welding part is attached to the surface of the conductive bar and is welded and conducted.

Preferably, the voltage collecting sheet is a nickel sheet.

Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:

be provided with first weld part and second weld part welded fastening on circuit board and battery PACK on through the voltage acquisition piece, and still be provided with a shock-absorbing part on the cooperation voltage acquisition piece, produce vibration and battery in the automobile goes and generate heat at the in-process of work, the battery can expand, the two stress that produces the voltage acquisition piece is offset by the shock-absorbing part, thereby avoid the voltage acquisition piece to break away from or gather the piece and be broken between during operation and battery or circuit board, the life of product has not only been prolonged, the job stabilization nature of product has still been improved.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a schematic perspective view of a preferred embodiment of the present invention;

FIG. 2 is a schematic view of the present invention in a use state;

fig. 3 is a schematic cross-sectional view of a preferred embodiment of the present invention.

The attached drawings indicate the following:

10. circuit board 101 and via hole

20. Battery PACK 21, electrically conductive row

30. Voltage acquisition sheet 31, first welding part

32. Damping part 321 and first wave crest

322. Wave trough 323 and second wave crest

33. A second weld.

Detailed Description

Referring to fig. 1 to 3, a specific structure of a preferred embodiment of the present invention is shown, which includes a circuit board 10, a battery PACK 20 and a voltage collecting plate 30.

The circuit board 10 is PCBA or FPCA. The battery PACK 20 has a conductive bank 21.

The voltage acquisition sheet 30 comprises a first welding part 31, a damping part 32 and a second welding part 33 which are integrally formed and connected, wherein the first welding part 31 is welded and conducted with the circuit board 10, the damping part 32 is of a wave-shaped structure, and the second welding part 33 is welded and conducted with the conductive bar 21; in the embodiment, the first soldering portion 31 extends vertically downward, the circuit board 10 is provided with a via hole 101, and the first soldering portion 31 extends downward through the via hole 101; the damping part 32 comprises a first peak 321, a trough 322 and a second peak 323, the first peak 321 and the second peak 323 are connected together by the trough 322, the first welding part 31 extends vertically downwards from the left end of the first peak 321, and the second welding part 33 extends horizontally rightwards from the right end of the second peak 323; the second welding part 33 extends horizontally, and the second welding part 33 is jointed on the surface of the conductive bar 21 and is welded and conducted; the voltage acquisition sheet 30 is a nickel sheet.

Detailed description the installation process of this embodiment is as follows:

when the battery PACK is mounted, the first welding portion 31 of the voltage collecting piece 30 is inserted into the via hole 101 of the circuit board 10, the second welding portion 33 is attached to the conductive bar 21 of the battery PACK 20, the first welding portion 31 is fixed to the via hole 101 by laser or ultrasonic welding, and the second welding portion 33 is fixed to the conductive bar 21 by laser or ultrasonic welding.

The utility model discloses a design focus lies in: be provided with first weld part and second weld part welded fastening on circuit board and battery PACK on through the voltage acquisition piece, and still be provided with a shock-absorbing part on the cooperation voltage acquisition piece, produce vibration and battery in the automobile goes and generate heat at the in-process of work, the battery can expand, the two stress that produces the voltage acquisition piece is offset by the shock-absorbing part, thereby avoid the voltage acquisition piece to break away from or gather the piece and be broken between during operation and battery or circuit board, the life of product has not only been prolonged, the job stabilization nature of product has still been improved.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a shock attenuation mounting structure of new energy automobile PACK voltage acquisition piece which characterized in that: comprises a circuit board, a battery PACK and a voltage acquisition sheet; the battery PACK has a conductive bar; the voltage acquisition piece comprises a first welding part, a damping part and a second welding part which are integrally formed and connected, the first welding part is welded and conducted with the circuit board, the damping part is of a wave-shaped structure, and the second welding part is welded and conducted with the conductive bar.

2. The shock-absorbing mounting structure of new energy automobile PACK voltage acquisition piece of claim 1, characterized in that: the circuit board is PCBA or FPCA.

3. The shock-absorbing mounting structure of new energy automobile PACK voltage acquisition piece of claim 1, characterized in that: the first welding part vertically extends downwards, a through hole is formed in the circuit board, and the first welding part penetrates through the through hole to extend downwards.

4. The shock-absorbing mounting structure of new energy automobile PACK voltage acquisition piece of claim 1, characterized in that: the shock absorption part comprises a first peak, a trough and a second peak, the first peak and the second peak are connected together through the trough, the first welding part extends downwards from the left end of the first peak vertically, and the second welding part extends rightwards from the right end of the second peak horizontally.

5. The shock-absorbing mounting structure of new energy automobile PACK voltage acquisition piece of claim 1, characterized in that: the second welding part horizontally extends, and the second welding part is attached to the surface of the conductive bar and is welded and conducted.

6. The shock-absorbing mounting structure of new energy automobile PACK voltage acquisition piece of claim 1, characterized in that: the voltage acquisition sheet is a nickel sheet.