Throttle valve sensor assembly for small-batch production

Abstract

The utility model discloses a throttle valve sensor assembly for small-batch production, which comprises a shell, a circuit board assembly, a connecting line and a plug, the circuit board assembly is arranged in the shell, the connecting line is connected with the shell, and the connecting line is connected with the plug; a motor connecting pin and a sensor pin are arranged in the shell, a connecting seat is also arranged on the back of the shell, and the connecting wire is welded on the connecting seat; according to the utility model, the shell body and the pin insert are disassembled and assembled, the general throttle valve main body shell is used, and the internal insert circuit is directly drawn on the PCB, so that the pin insert and the shell do not need to be additionally and respectively subjected to mold opening, the investment of mold opening cost is reduced, and the throttle valve is suitable for being applied to small-batch production.

Description

Technical Field

[0001] The utility model relates to the technical field of throttle sensors, and particularly relates to a throttle sensor assembly for small batch production. Background Technique

[0002] The throttle position sensor, also known as the throttle opening sensor or throttle switch, is usually installed on the throttle body. It is mainly used to detect whether the engine is in the idle condition or load condition, and whether it is in the acceleration condition or deceleration condition. It can accurately monitor the change of the throttle opening, provide necessary input information for the engine, so as to optimize the engine performance, improve fuel economy and driving safety.

[0003] In the design of traditional throttle sensors, it is necessary to mold the pin insert and the shell separately, and the cost is relatively high. Especially when the number of throttles in a project is not large, the mold cost sharing is huge. In order to reduce the mold cost of the insert and the shell, generally most customers will borrow general throttles, but the throttle selectivity is much less, and it cannot accurately meet the use requirements of the throttle. Summary of the Invention

[0004] The technical problem to be solved by the utility model is to provide a throttle sensor assembly for small batch production, which does not need to mold the pin insert and the shell separately, and reduces the investment in mold cost.

[0005] To solve the above technical problems, the technical solutions adopted by the utility model are as follows.

[0006] A throttle sensor assembly for small batch production includes a shell, a circuit board assembly, a connecting wire, and a plug. The circuit board assembly is installed in the shell, the connecting wire is connected to the shell, and the connecting wire is connected to the plug. Motor connection pins and sensor pins are arranged in the shell, and a connecting seat is also arranged on the back of the shell, and the connecting wire is welded on the connecting seat.

[0007] In the above throttle sensor assembly for small batch production, the circuit board assembly includes a PCB board, a motor pin female terminal, a Hall chip, and motor pins. Motor connection vias, female terminal vias, and sensor vias are arranged on the PCB board.

[0008] In the above throttle sensor assembly for small batch production, the motor connection pins pass through the motor connection vias and are welded to the motor connection vias; the motor pins are installed on the motor pin female terminals, the motor pin female terminals are installed in the female terminal vias, and the motor pins are connected to the motor connection pins through the circuit on the PCB board and then connected to the connecting seat.

[0009] The above throttle sensor assembly for small batch production, the sensor pin passes through the sensor through-hole and is welded to the sensor through-hole, the Hall chip is connected to the sensor through-hole through the circuit on the PCB board, and the sensor pin and the Hall chip are connected at the sensor through-hole and then connected to the connection seat.

[0010] The above throttle sensor assembly for small batch production, a wiring groove is further provided on the housing, and the connection seat is installed in the wiring groove and sealed with sealant.

[0011] The above throttle sensor assembly for small batch production, the Hall chip is installed on the PCB board and is arranged opposite to the rotation center position of the throttle magnet.

[0012] The above throttle sensor assembly for small batch production, heat riveting posts are further provided in the housing, heat riveting heads are provided at the ends of the heat riveting posts, heat riveting head through-holes are provided on the PCB board, and after the heat riveting heads pass through the heat riveting head through-holes, the housing and the circuit board assembly are riveted.

[0013] Due to the adoption of the above technical solutions, the technical progress obtained by the present utility model is as follows.

[0014] The present utility model provides a throttle sensor assembly for small batch production. By disassembling and assembling the housing and the pin insert, using a common throttle main body housing, and directly drawing the internal insert circuit on the PCB circuit board, there is no need to separately mold the pin insert and the housing, reducing the investment in mold opening costs, and being applicable to throttle applications suitable for small batch production. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural diagram of the present utility model;

[0016] Figure 2 is a side view of the present utility model;

[0017] Figure 3 is a top view of the PCB assembly of the present utility model;

[0018] Figure 4 is a schematic structural diagram of the connection between the housing and the PCB assembly of the present utility model.

[0019] Wherein: 1. housing, 11. heat riveting post, 12. heat riveting head, 13. wiring groove, 14. sealant, 15. connection seat, 16. motor connection pin, 17. sensor pin, 2. circuit board assembly, 21. motor pin female terminal, 22. Hall chip, 23. heat riveting point through-hole, 24. motor connection through-hole, 25. female terminal through-hole, 26. sensor through-hole, 27. motor pin, 3. connecting wire, 4. plug. DETAILED DESCRIPTION OF THE INVENTION

[0020] The present utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0021] A throttle sensor assembly for small batch production, as Figures 1 to 4 shown, includes a housing 1, a circuit board assembly 2, a connecting wire 3, and a plug 4. The circuit board assembly 2 is installed inside the housing 1, the connecting wire 3 is connected to the housing 1, and the connecting wire 3 is connected to the plug 4.

[0022] The plug 4 is connected to the connecting wire 3 to form an electrical connection with the sensor assembly. Generally, the plug 4 directly purchases the male part of the brand connector and does not need to be additionally tooled and manufactured.

[0023] Motor connection pins 16 and sensor pins 17 are arranged inside the housing 1, and the motor connection pins 16 and sensor pins 17 are fixed on the housing 1 by means of in-mold injection.

[0024] The motor connection pins 16 are used to transmit current and signals to ensure that the motor can receive instructions from the controller or power supply and operate normally. The sensor pins 17 can transmit the data collected by the sensor to the controller or other processing devices to realize real-time monitoring and processing of the data.

[0025] A connection base 15 is also arranged on the back of the housing 1, and the connection base 15 is exposed on the back of the housing 1. The connecting wire 3 is welded to the connection base 15.

[0026] A wiring groove 13 is also arranged on the housing 1. The connection base 15 is installed in the wiring groove 13 and sealed by a sealant 14.

[0027] The circuit board assembly 2 includes a PCB board, motor pin female terminals 21, a Hall chip 22, and motor pins 27. The Hall chip 22 is installed on the PCB board and is arranged opposite to the rotation center position of the throttle magnet for detecting the angle of the throttle magnet.

[0028] Motor connection vias 24, female terminal vias 25, and sensor vias 26 are arranged on the PCB board. The motor connection pins 16 pass through the motor connection vias 24 and are welded to the motor connection vias 24.

[0029] The motor pins 27 are installed on the motor pin female terminals 21. The motor pin female terminals 21 are installed in the female terminal vias 25. The motor pins 27 are connected to the motor connection pins 16 through the circuit on the PCB board and then connected to the connection base 15.

[0030] The sensor pin 17 passes through the sensor via hole 26 and is welded to the sensor via hole 26. The Hall chip 22 is connected to the sensor via hole 26 through the circuit on the PCB board. After the sensor pin 17 and the Hall chip 22 are connected at the sensor via hole 26, they are connected to the connection seat 15.

[0031] The housing 1 is also provided with a hot riveting post 11, and a hot riveting head 12 is provided at the end of the hot riveting post. A hot riveting head via hole 23 is opened on the PCB board. After the hot riveting head 12 passes through the hot riveting head via hole 23, the housing 1 and the circuit board assembly 2 are riveted.

[0032] During use, first, the motor pin female terminal 21 is welded to the PCB board of the circuit board assembly 2 through the female terminal via hole 25. Then, through the connection between the hot riveting head 12 and the hot riveting head via hole 23, the circuit board assembly 2 is placed in the housing 1 and the circuit board assembly 2 and the housing 1 are hot riveted. At the same time, the motor connection pin 16 is passed through the motor pin via hole 24 and then welded, and the sensor pin 17 is passed through the sensor via hole 26 and then welded.

[0033] When assembling the circuit board assembly 2, the Hall chip 22 is installed on the PCB board, connected to the sensor via hole 2 - 6 through the circuit on the PCB board, and then connected to the connection seat 15 by welding to the sensor pin 1 - 7.

[0034] The motor pin 27 is connected to the female terminal via hole 25 through the motor pin female terminal 21. Then, it is connected to the motor pin via hole 24 through the circuit on the PCB board, connected to the motor connection pin 16, and then connected to the connection seat 15.

[0035] Next, one end of the connecting wire 3 is welded to the pin tail connection seat part 15 in the wiring groove 13 and sealed with the sealant 14. The other end of the connecting wire 3 is connected to the plug 4 to achieve the electrical connection between the plug 4 and each part inside the throttle sensor assembly.

[0036] The utility model provides a throttle sensor assembly for small - batch production. By disassembling and assembling the housing shell and the pin insert, using a common throttle main body housing, directly drawing the internal insert circuit on the PCB circuit board, without separately mold - opening the pin insert and the housing, the investment in mold - opening costs is reduced, and it is suitable for throttle applications suitable for small - batch production.

Claims

1. A throttle sensor assembly for small batch production, characterized in that: It includes a housing (1), a circuit board assembly (2), a connecting wire (3), and a plug (4). The circuit board assembly (2) is installed inside the housing (1). The connecting wire (3) is connected to the housing (1) and the connecting wire (3) is connected to the plug (4). Inside the housing (1), there are motor connection pins (16) and sensor pins (17). A connection base (15) is also provided on the back of the housing (1). The connecting wire (3) is welded to the connection base (15).

2. The throttle sensor assembly for small batch production according to claim 1, wherein: The circuit board assembly (2) includes a PCB board, female motor pin terminals (21), Hall chips (22), and motor pins (27). Motor connection vias (24), female terminal vias (25), and sensor vias (26) are provided on the PCB board.

3. A throttle sensor assembly for small batch production according to claim 2, characterized in that: The motor connection pins (16) pass through the motor connection vias (24) and are welded to the motor connection vias (24). The motor pins (27) are installed on the female motor pin terminals (21). The female motor pin terminals (21) are installed in the female terminal vias (25). The motor pins (27) are connected to the motor connection pins (16) through the circuit on the PCB board and then connected to the connection base (15).

4. A throttle sensor assembly for small batch production according to claim 2, characterized in that: The sensor pins (17) pass through the sensor vias (26) and are welded to the sensor vias (26). The Hall chips (22) are connected to the sensor vias (26) through the circuit on the PCB board. The sensor pins (17) and the Hall chips (22) are connected at the sensor vias (26) and then connected to the connection base (15).

5. A throttle sensor assembly for small batch production according to claim 1, characterized in that: A wiring groove (13) is also provided on the housing (1). The connection base (15) is installed in the wiring groove (13) and sealed with sealant (14).

6. The throttle sensor assembly for small batch production according to claim 2, characterized in that: The Hall chips (22) are installed on the PCB board and are arranged facing the rotation center position of the throttle magnet.

7. A throttle sensor assembly for small-batch production according to claim 1, characterized in that: Thermal riveting posts (11) are also provided inside the housing (1). Thermal riveting heads (12) are provided at the ends of the thermal riveting posts. Thermal riveting head vias (23) are provided on the PCB board. The thermal riveting heads (12) pass through the thermal riveting head vias (23) to rivet the housing (1) and the circuit board assembly (2).

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