CN-224217741-U - Signal contact pin assembly structure

Abstract

The utility model discloses a signal pin assembly structure which comprises a control board PCBA, a driving board PCBA and a signal pin assembly, wherein the signal pin assembly is used for connecting the control board PCBA and the driving board PCBA, the signal pin assembly comprises a signal pin body, plastic fixing pieces and a silica gel buffer piece, the plastic fixing pieces and the silica gel buffer piece are symmetrically arranged at two ends of the signal pin body, the plastic fixing pieces are used for fixing the signal pin body, the silica gel buffer piece plays a role of buffering, a double-row female connector is arranged on the control board PCBA, a patch socket is arranged on the driving board PCBA, the upper end of the signal pin body is inserted into the double-row female connector, and the lower end of the signal pin body is inserted into the patch socket. The utility model can effectively solve the problem of vibration resistance of the signal link of the driving plate and the control plate of the fuel cell air compressor controller.

Inventors

• YANG XINGZHAO
• FU RENDE
• JING XIAOKAI

Assignees

• 深圳市福瑞电气有限公司

Dates

Publication Date

20260508

Application Date

20250529

Claims (6)

1. 1. The signal pin assembly structure is characterized by comprising a control board PCBA, a driving board PCBA and a signal pin assembly, wherein the signal pin assembly is used for connecting the control board PCBA and the driving board PCBA; The signal pin assembly comprises a signal pin body, plastic fixing parts and a silica gel buffer part, wherein the plastic fixing parts and the silica gel buffer part are symmetrically arranged at two ends of the signal pin body, the plastic fixing parts are used for fixing the signal pin body, the silica gel buffer part plays a role in buffering, a double-row female connector is arranged on a control board PCBA, a patch socket is arranged on the drive board PCBA, the upper end of the signal pin body is inserted into the double-row female connector, and the lower end of the signal pin body is inserted into the patch socket.
2. 2. The signal pin assembly structure of claim 1, wherein the double-row female connector is welded on the control board PCBA, and a silicone buffer at an upper end of the signal pin body is abutted against a bottom surface of the control board PCBA.
3. 3. The signal pin assembly structure of claim 1, wherein the patch socket is welded on the drive board PCBA, and a silicone buffer at a lower end of the signal pin body abuts against the patch socket.
4. 4. The signal pin assembly structure of claim 1, wherein the upper end section of the double-row female connector is isosceles trapezoid, and the lower end is rectangular.
5. 5. The signal pin assembly structure according to claim 1, wherein the number of the signal pin bodies is six, and the double-row female connector is provided with double rows of six insertion holes.
6. 6. The signal pin assembly structure according to claim 1, wherein the number of the signal pin bodies is eight, and the double-row female connector is provided with double-row eight plug holes.

Description

Signal contact pin assembly structure Technical Field The utility model relates to the technical field of controllers of hydrogen fuel cell air compressors, in particular to a signal contact pin assembly structure. Background The fuel cell is used as a clean pollution-free power battery and is actively applied to new energy electric automobiles. However, when the fuel cell is used for providing power supply output for the new energy electric automobile, besides hydrogen fuel, sufficient air (mainly oxygen) is needed to be reliably and stably supplied, and the requirements on the working control state of the air compressor of the fuel cell are extremely strict, so that the quality and the control performance of the air compressor controller are very important. The internal main circuit block diagram of the fuel cell air compressor controller is shown in fig. 1. The fuel cell air compressor controller is internally provided with a driving board PCBA1 and a control board PCBA2, the signal link between the driving board PCBA1 and the control board PCBA2 is realized through the assembly of a signal pin 3, the structure is shown in fig. 2, the bottom surface of the control board PCBA2 is provided with a centipede pin socket 4 (shown in fig. 3), the driving board PCBA1 is also provided with a patch socket 5, the signal link is realized through the assembly of an intermediate signal pin 3 (the pin assembly is shown in detail in fig. 4 and 5), and because the fuel cell air compressor controller is used in an automobile, the mechanical load test of GB/T24347/GB 28046.3 is required to be satisfied, namely the vibration test is required, the experiments such as frequency sweeping vibration, random vibration and mechanical impact are required to be performed, the centipede pin socket 4 on the control board PCBA2 is easy to break after the experiments, and the control board PCBA2 is separated from the centipede pin socket 4, so that the signal link is interrupted. Disclosure of utility model The utility model mainly aims to provide a signal contact pin assembly structure, which aims to solve the problem of vibration resistance of signal link between a driving plate and a control plate of a fuel cell air compressor controller. In order to achieve the above object, the utility model provides a signal pin assembly structure, which comprises a control board PCBA, a driving board PCBA and a signal pin assembly, wherein the signal pin assembly is used for connecting the control board PCBA and the driving board PCBA; The signal pin assembly comprises a signal pin body, plastic fixing parts and a silica gel buffer part, wherein the plastic fixing parts and the silica gel buffer part are symmetrically arranged at two ends of the signal pin body, the plastic fixing parts are used for fixing the signal pin body, the silica gel buffer part plays a role in buffering, a double-row female connector is arranged on a control board PCBA, a patch socket is arranged on the drive board PCBA, the upper end of the signal pin body is inserted into the double-row female connector, and the lower end of the signal pin body is inserted into the patch socket. According to the technical scheme, the double-row female connector is welded on the control board PCBA, and the silica gel buffer piece at the upper end of the signal pin body is abutted against the bottom surface of the control board PCBA. According to the technical scheme, the patch socket is welded on the driving board PCBA, and the silica gel buffer piece at the lower end of the signal pin body is abutted against the patch socket. The technical scheme of the utility model is that the section of the upper end of the double-row female connector is isosceles trapezoid, and the lower end of the double-row female connector is rectangular. The utility model further adopts the technical scheme that the number of the signal pin bodies is six, and the double-row female connector is provided with six double-row plug holes. The utility model further adopts the technical scheme that the number of the signal pin bodies is eight, and the double-row female connector is provided with eight double-row plug holes. In summary, the technical scheme includes that the control board PCBA, the driving board PCBA and the signal pin assembly are included, the signal pin assembly is used for connecting the control board PCBA and the driving board PCBA, the signal pin assembly comprises a signal pin body, plastic fixing pieces and silica gel buffer pieces, wherein the plastic fixing pieces are symmetrically arranged at two ends of the signal pin body, the plastic fixing pieces are used for fixing the signal pin body, the silica gel buffer pieces play a role in buffering, a double-row female connector is arranged on the control board PCBA, a patch socket is arranged on the driving board PCBA, the upper end of the signal pin body is inserted into the double-row female connector, and the lower end of the signal pin body