Automobile wire harness fuse box relay socket quick-change detection module

Abstract

The utility model relates to a relay socket quick-change detection module for an automobile wire harness fuse box. Comprising a module body, a module base, a quick-change block, a quick-change block base, a quick-change connector HDMI female end, a quick-change connector HDMI male end, a switch needle, switch needle trousers, a first type conduction needle, first type conduction needle trousers, a second type conduction needle, second type conduction needle trousers, a third type conduction needle, third type conduction needle trousers, a circuit board, an electromagnetic valve assembly and a locking air cylinder. The module body and the module base of the detection module are of a split type structure, the first type of conducting pins adopt HDMI to convert signals, the structure is simple, use is convenient, the detection effect is good, the quick-change block can be quickly replaced according to the change of the type of the relay socket in the fuse box, the storage space of the detection module is saved, the cost is reduced, and meanwhile replacement and maintenance are convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile wiring harness detection, and specifically relates to a quick-change detection module for a fuse box relay socket of an automobile wiring harness. Background Art

[0002] The automotive wiring harness fuse box is equipped with relay terminals (relay sockets), fuse terminals, etc. The relay terminals are divided into two-hole, four-hole, five-hole, etc., and the relay terminals set in different types of automotive wiring harness fuse boxes are different. When testing the automotive wiring harness fuse box, it is necessary to test the conductivity of each terminal in the box. However, due to the unreasonable structural design of the existing automotive wiring harness fuse box detection module, the relay socket detection part cannot be replaced, resulting in the need to design independent detection modules for different types of fuse boxes, which not only occupies module storage space, but also increases costs. Summary of the invention

[0003] The utility model aims to provide a detection module with simple structure, convenient use, good detection effect, and the ability to quickly replace quick-change blocks according to the change of relay socket types in a fuse box, thereby saving storage space for the detection module and reducing costs.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A quick-change detection module for a fuse box and a relay socket of an automobile wiring harness, comprising a module body, a module base, a quick-change block, a quick-change block base, a quick-change connector HDMI female end, a quick-change connector HDMI male end, a switch pin, a switch pin trousers, a first-category conduction pin, a first-category conduction pin trousers, a second-category conduction pin, a second-category conduction pin trousers, a third-category conduction pin, a third-category conduction pin trousers, a circuit board, a solenoid valve assembly, and a locking cylinder;

[0006] The module body is arranged on the module base and is fixedly connected to the module base. A cavity that is shaped like a car harness fuse box is processed on the module body. A plurality of upper cylinder assembly holes are arranged around the cavity. The locking cylinder passes through the lower cylinder assembly hole of the module base and the upper cylinder assembly hole of the module body in sequence and is fixed on the module body to clamp and fix the car harness fuse box installed in the cavity.

[0007] The module base is provided with a plurality of first assembly holes at a position opposite to the relay socket of the automobile wiring harness fuse box, a quick-change block is provided in the first assembly hole, a quick-change block base is installed at the lower end of the quick-change block, and a plurality of first needle pants installation holes are provided on the quick-change block; the first category of conduction needle pants are installed on the first needle pants installation holes by interference fit and are arranged in the quick-change block base; the first category of conduction needles are installed on the first category of conduction needle pants, the first category of conduction needles are electrically connected to the HDMI female end of the quick-change connector through a wire, the HDMI female end of the quick-change connector is fixed in the quick-change block base, the other end of the HDMI female end of the quick-change connector is plugged into the HDMI male end of the quick-change connector, the other end of the HDMI male end of the quick-change connector is connected to the DuPont head through a wire, and is connected to the control mechanism of the test bench body through the DuPont head;

[0008] The module base is provided with a plurality of second needle trousers installation holes at a position opposite to the fuse socket of the automobile wiring harness fuse box, the second type of conductive needle trousers are installed in the second needle trousers installation holes by interference fit, and the second type of conductive needles are installed on the second type of conductive needle trousers;

[0009] The module base is provided with a third needle trousers mounting hole at a position opposite to the grounding of the automobile wiring harness fuse box, the module body is provided with a first through hole at a position opposite to the third needle trousers mounting hole, the bottom of the module base is provided with a POM matching block, the POM matching block is provided with a second assembly hole at a position opposite to the third needle trousers mounting hole, the third category conduction needle trousers are installed on the second assembly hole of the POM matching block through the third needle trousers mounting hole by interference fit, and the third category conduction needle is installed on the third category conduction needle trousers through the first through hole;

[0010] The second type of conduction needle and the third type of conduction needle are both connected to the DuPont connector through a wire, and connected to the main body of the test bench through the DuPont connector;

[0011] The module base is provided with a fourth needle trousers mounting hole, the module body is provided with a second through hole at a position opposite to the fourth needle trousers mounting hole, the switch needle trousers are installed in the fourth needle trousers mounting hole by interference fit, the switch needle is installed on the switch needle trousers through the second through hole, and is connected to the circuit board through a wire;

[0012] A circuit board is installed on the module base, and a solenoid valve assembly is arranged on the circuit board. The switch needle cooperates with the solenoid valve assembly to control the action of the locking cylinder.

[0013] As a preferred embodiment of the present invention, the detection module further comprises a button switch and an indicator light, wherein the button switch is used to control the disconnection of the solenoid valve; the upper surfaces of the indicator light and the button switch are on the same horizontal plane as the upper surface of the module body.

[0014] As a preferred embodiment of the present invention, the detection module also includes a cylinder cover, which is fixed to the module body by screws and is used to cover the upper cylinder assembly hole and protect the locking cylinder.

[0015] As a preferred embodiment of the present invention, the detection module further comprises a positioning pin, which is interference fit with the module body and the module base at the same time, and the upper surface of the positioning pin is on the same horizontal plane as the upper surface of the module body.

[0016] As a preferred embodiment of the present invention, the locking cylinder is arranged in the module body and the module base, and is fixed to the module body by screws.

[0017] As a preferred embodiment of the utility model, the module body is connected and fixed to the module base by screws; the quick-change block is installed and fixed on the module base by screws; the quick-change block base is installed and fixed to the quick-change block by screws; the quick-change connector HDMI female end is installed and fixed in the quick-change block base by screws; the circuit board is installed and fixed on the module base by screws; and the POM matching block is installed and fixed on the module base by screws.

[0018] As a preferred embodiment of the utility model, the solenoid valve assembly includes a manifold and a solenoid valve. The manifold is fixed on the circuit board by screws, and an air inlet connector and an air outlet connector are respectively installed at both ends of the manifold through threaded holes. The air inlet connector is connected to the air source through an air pipe, and the air outlet connector is connected to the air pipe connector of the locking cylinder through the air pipe; the solenoid valve is fixed on the manifold by screws and is sealed to the manifold. The solenoid valve is electrically connected to the switch pin through the circuit on the circuit board, and the action of the locking cylinder is controlled by the solenoid valve.

[0019] The utility model has the following advantages and positive effects:

[0020] 1. The quick-change block in the quick-change detection module for the fuse box relay socket provided by the utility model can be designed according to the existing relay type. Since the quick-change block can be replaced, when the relay terminal in the fuse box is changed, it is only necessary to make and replace the corresponding quick-change block to match the number of holes and position of the relay terminal. The use of the quick-change detection module for the fuse box relay socket only requires the manufacture of a module body to realize the detection under different relay change conditions and the function of detecting different fuse boxes, thereby greatly reducing costs.

[0021] 2. The module body and the module base of the fuse box relay socket quick-change detection module of the utility model are split structures, and the first category conduction pin of the detection relay terminal adopts HDMI to convert the signal, which is simple and convenient to operate and easy to replace and repair.

[0022] 3. The utility model arranges a plurality of locking cylinders around the cavity, and the locking cylinders surround the fuse box to ensure that the fuse box is firmly fixed on the detection module, thereby realizing the detection of each terminal on the fuse box. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0024] Figure 1 It is the front view of the overall structure of the detection module of the utility model;

[0025] Figure 2 This utility model Figure 1 Left view of

[0026] Figure 3 This utility model Figure 1 Right view of;

[0027] Figure 4 This utility model Figure 1 Bottom view of

[0028] Figure 5 This utility model Figure 1 A top view of

[0029] Figure 6 This utility model Figure 1 Middle rear view;

[0030] Figure 7 This utility model Figure 1 Exploded view of the components.

[0031] Figure markings: 1. Module body, 2. Positioning pin, 3. Hexagon socket head screw M3×25, 4. Cylinder cover, 5. Hexagon socket flat end set screw M4×8, 6. First category conduction needle, 7. First category conduction needle pants, 8. Hexagon socket head screw M3×12, 9. Quick change block, 10. Quick change block base, 11. Hexagon socket flat end set screw M4×6, 12. Cross recessed pan head screw M2×16, 13. Quick change connector HDMI female end, 14. Quick change connector HDMI male end, 15. DuPont head, 16. Second Category 1 conduction needle, 17. Second category conduction needle pants, 18. Switch needle, 19. Switch needle pants, 20. Third category conduction needle, 21. Third category conduction needle pants, 22. Module base, 23. Cross recessed countersunk screw M4×8, 24. Circuit board, 25. Hexagon socket head screw M4×25, 26. Cross recessed countersunk screw M3×6, 27. Solenoid valve, 28. Manifold, 29. Locking cylinder, 30. POM matching block, 31. Hexagon socket head screw M3×20, 32. Indicator light, 33. Push button switch. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0033] In the description of the present application, it should be noted that the terms "upper", "lower", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the product of the application is usually placed when in use. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0034] In the description of the present application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, a direct connection, or an indirect connection through an intermediate medium, or it can be a connection between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances. In addition, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0035] like Figures 1 to 7As shown, the utility model provides an automobile wiring harness fuse box relay socket quick-change detection module comprising: a module body 1, a φ3 positioning pin 2, a hexagon socket cylindrical head screw M3×253 connecting the cylinder cover and the module body, a cylinder cover 4, a hexagon socket flat end set screw M4×8 for fixing and locking the cylinder 5, a first category conduction pin 6, a first category conduction pin trousers 7, a hexagon socket cylindrical head screw M3×12 connecting the quick-change block and the module base 8, a quick-change block 9, a quick-change block base 10, a hexagon socket flat end set screw M4×6 connecting the quick-change connector HDMI female end and the quick-change block base 11, a cross slot pan head screw M2×16 connecting the quick-change block base and the quick-change block 12. Quick-change connector HDMI female end 13. Quick-change connector HDMI male end 14. DuPont connector 15. Second category conduction pin 16. Second category conduction pin trousers 17. Switch pin 18. Switch pin trousers 19. Third category conduction pin 20. Third category conduction pin trousers 21. Module base 22. Cross recessed countersunk screw M4×8 connecting circuit board and module base 23. Circuit board 24. Hexagon socket head screw M4×25 connecting module body and module base 25. Cross recessed countersunk screw M3×6 connecting solenoid valve and circuit board 26. Solenoid valve 27. Manifold 28. Locking cylinder 29. POM block for fixing third category conduction pin 30. Hexagon socket head screw M3×20 connecting POM block and module base 31. Indicator light 32. Push button switch 33. The connection relationship and position relationship of each component are as follows:

[0036] The module body 1 is arranged on the module base 22, and the module body 1 and the module base 22 are connected and fixed by hexagon socket cylindrical head screws M4×25. A cavity (not marked) that is shaped like an automobile wiring harness fuse box is processed on the module body 1; a plurality of upper cylinder assembly holes (not marked) are arranged around the cavity, and the locking cylinder 29 passes through the lower cylinder assembly hole (not marked) of the module base 22 and the upper cylinder assembly hole (not marked) of the module body 1 in sequence, and is then arranged in the module body 1 and the module base 22, and is fixed to the module body 1 by a hexagon socket flat-end set screw M4×8, and is used to extend a clamping claw to the cavity side to clamp and fix the automobile wiring harness fuse box installed in the cavity;

[0037] The φ3 positioning pin 2 is interference fit with the module body 1 and the module base 22 at the same time, and the upper surface of the positioning pin 2 is on the same horizontal plane as the upper surface of the module body 1;

[0038] The cylinder cover 4 is fixed on the module body 1 by means of a hexagon socket head screw M3×25, and is used to cover the upper cylinder assembly hole to protect the locking cylinder 29 in the cylinder assembly hole;

[0039] The module base 22 is provided with a plurality of first assembly holes (not marked) at a position opposite to the relay socket of the automobile wiring harness fuse box, and a quick-change block 9 is provided in the first assembly hole, and the quick-change block 9 is fixed to the module base 22 by means of an M3×12 hexagon socket head screw, and a quick-change block base 10 is provided at the lower end of the quick-change block 9, and the quick-change block base 10 is fixed to the quick-change block 9 by means of a M2×16 cross-slot pan head screw, and a plurality of first needle pants mounting holes (not marked) are provided on the quick-change block 9; the first category conduction needle pants 7 are mounted on the first needle pants mounting holes by means of interference fit The first type of conducting needle 6 is installed on the first type of conducting needle trousers 7, and the first type of conducting needle 6 is electrically connected to the quick-change connector HDMI female end 13 through a wire, and the quick-change connector HDMI female end 13 is fixed in the quick-change block base 10 through a hexagon socket flat end set screw M4×6, and the other end of the quick-change connector HDMI female end 13 is plugged with the quick-change connector HDMI male end 14, and the other end of the quick-change connector HDMI male end 14 is connected to the DuPont connector 15 through a wire, and is connected to the control mechanism of the detection platform body through the DuPont connector 15;

[0040] The module base 22 is provided with a plurality of second needle trousers installation holes (not marked) at positions opposite to the fuse sockets of the automobile wiring harness fuse box, the second type of conducting needle trousers 17 are installed in the second needle trousers installation holes by interference fit, and the second type of conducting needle 16 is installed on the second type of conducting needle trousers 17;

[0041] The module base 22 is provided with a third stitch mounting hole (not marked) at a position opposite to the grounding of the automobile wiring harness fuse box, the module body 1 is provided with a first through hole (not marked) at a position opposite to the third stitch mounting hole, a POM matching block 30 is provided at the bottom of the module base 22, the POM matching block 30 is fixed to the module base 22 by a hexagon socket head screw M3×20, the POM matching block 30 is provided with a second assembly hole (not marked) at a position opposite to the third stitch mounting hole, the third category conduction needle 21 is installed on the second assembly hole of the POM matching block through the third stitch mounting hole by interference fit, and the third category conduction needle 20 is installed on the third category conduction needle 21 through the first through hole;

[0042] The second type of conducting needle 16 and the third type of conducting needle 20 are both connected to the DuPont connector 15 through a wire, and connected to the main body of the test platform through the DuPont connector 15;

[0043] The module base 22 is provided with a fourth needle trousers mounting hole, the module body 1 is provided with a second through hole at a position opposite to the fourth needle trousers mounting hole, the switch needle trousers 19 are installed in the fourth needle trousers mounting hole by interference fit, the switch needle 18 is installed on the switch needle trousers 19 through the second through hole, and is connected to the circuit board 24 through a wire;

[0044] A circuit board 24 is installed on the module base 22, and the circuit board 24 is fixed on the module base 22 by a cross recessed countersunk screw M4×8. A solenoid valve assembly is provided on the circuit board 24, and the switch needle 18 cooperates with the solenoid valve assembly to control the action of the locking cylinder 29;

[0045] The button switch 33 is interference fit with the module body 1 through the mounting hole on the module body 1, and is used to control the disconnection of the solenoid valve; in actual operation, in order to realize automatic control, the control program in the main body of the test bench can be used to control the disconnection of the solenoid valve, so the disconnection of the solenoid valve can be controlled manually or automatically, and the manual and automatic combination is preferred; the indicator light 32 is interference fit with the module body through the mounting hole on the module body 1, and the indicator light 32 is always on before the fuse box is not placed in the cavity of the detection module, which is used to remind the staff to test the fuse box; after the test, if the conductivity test is qualified, the indicator light goes out, and if it is unqualified, the indicator light is always on, which is used to remind the staff to facilitate the classification of qualified and unqualified products; the upper surface of the indicator light 32 and the button switch 33 is on the same horizontal plane as the upper surface of the module body 1.

[0046] Furthermore, in the present embodiment, the solenoid valve assembly includes a manifold 28 and a solenoid valve 27. The manifold 28 is fixed on the circuit board by screws. An air inlet connector and an air outlet connector are respectively installed at both ends of the manifold 28 through threaded holes. The air inlet connector is connected to the air source through an air pipe, and the air outlet connector is connected to the air pipe connector of the locking cylinder through the air pipe. The solenoid valve 27 is fixed on the manifold 28 by a cross slot countersunk screw M3×6 and is sealed to the manifold. The solenoid valve 27 is electrically connected to the switch pin through the circuit on the circuit board, and the action of the locking cylinder is controlled by the solenoid valve.

[0047] During the actual assembly process of the detection module provided by the utility model, the quick-change block 9 can be faster according to the relay terminals in the fuse box, and the quick-change block matching the relay terminals can be selected. When assembling the detection module, first install the second-category conduction pin 17 on the module base 22 by interference fit, and the second-category conduction pin is installed on the second-category conduction pin 17 using a wrench; install the switch pin 19 on the module base 22 by interference fit, and the switch pin 18 is installed on the switch pin 19 using a wrench; install the third-category conduction pin 21 on the fixed POM block 30 by interference fit, and the third-category conduction pin is installed on the third-category conduction pin using a wrench; the POM block 30 that fixes the third-category conduction pin is installed on the module by connecting the fixed POM block and the module base with an M3×20 hexagon socket head screw. On the block base 22; the φ3 positioning pin 2 is connected to the module body 1 and the module base 22 by interference fit; the hexagon socket cylindrical head screw M4×25 connecting the module body and the module base is inserted into the module base 22 and connected to the module body 1; then the first category of conductive needle trousers 7 are installed on the quick-change block 9 by interference fit, and the first category of conductive needles are installed on the first category of conductive needle trousers using a wrench; the quick-change block base 10 is fixed to the quick-change block 9 by a cross-slot pan head screw M2×16; the quick-change connector HDMI female end is fixed to the quick-change block base by a hexagon socket flat-end set screw M4×6; the quick-change block is fixed by a hexagon socket cylindrical head screw The quick-change connector HDMI male end 14 is directly plugged into the quick-change connector HDMI female end 13, and the first category conduction pin 6 is connected to the other end of the quick-change connector HDMI female end 13 through wire welding. The other end of the quick-change connector HDMI male end 14 is connected to the control mechanism and circuit board on the main body of the test bench through the DuPont head 15; finally, the cylinder cover 4 is installed on the module body 1 through the hexagon socket head screw M3×25; the locking cylinder 29 passes through the module base 22 and the module body 1, and after adjusting the height of the locking piece, it is fixed to the module by fixing the locking cylinder with the hexagon socket flat end set screw M4×8 The main body 1 is provided with a circuit board 24 fixed on the module base 22 by means of a cross slot countersunk screw M4×8 connecting the circuit board and the module base; the solenoid valve 27 and the manifold 28 are fixed on the circuit board 24 by means of a cross slot countersunk screw M3×6 connecting and fixing the solenoid valve and the circuit board; the indicator light 32 is installed on the module main body 1 by means of an interference fit; the push button switch 33 is installed on the module main body 1 by means of an interference fit, and the assembly is completed; the detection module only needs to produce a module main body and a module base. If the relay in the fuse box is changed, only the corresponding quick-change block needs to be produced and replaced to realize the function of detecting different fuse boxes, which can greatly reduce the cost.

[0048] In the detection module described in this embodiment, the second category of conduction needles are used to detect the conduction of the fuse socket in the fuse box, and the second category of conduction needles are installed on the module base; the third category of conduction needles are used to detect the conduction of the ground in the fuse box, and the third category of conduction needles are installed on the POM matching block; the first category of conduction needles are used to detect the conduction of the relay socket in the fuse box, and the first category of conduction needles are installed on the quick-change block. There are several relay sockets in the fuse box. Compared with making several sets of quick-change blocks, each quick-change block can be independently disassembled and installed on the module base, which provides quick and convenient detection of the replacement and upgrade of the relay socket in the fuse box.

[0049] It should be noted that in this embodiment, the locking cylinder 29 can be any existing cylinder that can clamp and fix the automobile wiring harness fuse box in the cavity. It is preferred to extend a pressure nozzle to the cavity side to clamp the automobile wiring harness fuse box through the pressure nozzle. There are multiple locking cylinders, and the multiple locking cylinders are arranged around the fuse box to ensure that the fuse box is firmly fixed to the detection module. In addition, the key to the detection module provided in this embodiment lies in the improvement of the detection module structure. The connection between the detection module and the detection platform body and the conduction detection are all existing technologies, and the utility model will not go into details. A simple description of the conductivity detection process is: before the fuse box is placed in the cavity of the detection module, the indicator light is always on. When the fuse box is placed in the cavity of the detection module, the switch needle is triggered, the clamping cylinder is actuated, the fuse box is fixed on the detection module, the terminal in the fuse box contacts the conduction needle, and the conduction signal is sent to the detection platform body. After the conductivity test is qualified, the indicator light goes out, and if it is unqualified, the indicator light remains on. After the conductivity test is completed, the solenoid valve is controlled by the control program in the detection platform body, or the solenoid valve is controlled by manually pressing the button switch to stop supplying compressed air. At this time, the locking cylinder pressure nozzle is lifted, and the fuse box pops up under the elastic force of the conduction needle and the switch needle. The fuse box is taken out to complete the detection.

[0050] The above description is only a specific implementation case of the utility model, but the technical features of the utility model are not limited thereto. Any changes and modifications made by any technician in the field within the field of the utility model are within the scope of the patent of the utility model.

Claims

1. A quick-change detection module for automobile wiring harness fuse box relay socket, characterized in that: Including module body, module base, quick-change block, quick-change block base, quick-change connector HDMI female end, quick-change connector HDMI male end, switch pin, switch pin pants, first category conduction pin, first category conduction pin needle pants, second category conduction pin, second category conduction pin needle pants, third category conduction pin, third category conduction pin needle pants, circuit board, solenoid valve assembly, locking cylinder; The module body is arranged on the module base and is fixedly connected to the module base. A cavity that is shaped like a car harness fuse box is processed on the module body. A plurality of upper cylinder assembly holes are arranged around the cavity. The locking cylinder passes through the lower cylinder assembly hole of the module base and the upper cylinder assembly hole of the module body in sequence and is fixed on the module body to clamp and fix the car harness fuse box installed in the cavity. The module base is provided with a plurality of first assembly holes at a position opposite to the relay socket of the automobile wiring harness fuse box, a quick-change block is provided in the first assembly hole, a quick-change block base is installed at the lower end of the quick-change block, and a plurality of first needle pants installation holes are provided on the quick-change block; the first category of conduction needle pants are installed on the first needle pants installation holes by interference fit and are arranged in the quick-change block base; the first category of conduction needles are installed on the first category of conduction needle pants, the first category of conduction needles are electrically connected to the HDMI female end of the quick-change connector through a wire, the HDMI female end of the quick-change connector is fixed in the quick-change block base, the other end of the HDMI female end of the quick-change connector is plugged into the HDMI male end of the quick-change connector, the other end of the HDMI male end of the quick-change connector is connected to the DuPont head through a wire, and is connected to the control mechanism of the test bench body through the DuPont head; The module base is provided with a plurality of second needle trousers installation holes at a position opposite to the fuse socket of the automobile wiring harness fuse box, the second type of conductive needle trousers are installed in the second needle trousers installation holes by interference fit, and the second type of conductive needles are installed on the second type of conductive needle trousers; The module base is provided with a third needle trousers mounting hole at a position opposite to the grounding of the automobile wiring harness fuse box, the module body is provided with a first through hole at a position opposite to the third needle trousers mounting hole, the bottom of the module base is provided with a POM matching block, the POM matching block is provided with a second assembly hole at a position opposite to the third needle trousers mounting hole, the third category conduction needle trousers are installed on the second assembly hole of the POM matching block through the third needle trousers mounting hole by interference fit, the third category conduction needle is installed on the third category conduction needle trousers through the first through hole; the second category conduction needle and the third category conduction needle are both connected to the DuPont head through a wire, and connected to the main body of the test bench through the DuPont head; The module base is provided with a fourth needle trousers mounting hole, the module body is provided with a second through hole at a position opposite to the fourth needle trousers mounting hole, the switch needle trousers are installed in the fourth needle trousers mounting hole by interference fit, the switch needle is installed on the switch needle trousers through the second through hole, and is connected to the circuit board through a wire; A circuit board is installed on the module base, and a solenoid valve assembly is arranged on the circuit board. The switch needle cooperates with the solenoid valve assembly to control the action of the locking cylinder.

2. The automobile wiring harness fuse box relay socket quick-change detection module according to claim 1, characterized in that: The detection module also includes a button switch and an indicator light. The button switch is used to control the electromagnetic valve to disconnect. The upper surfaces of the indicator light and the button switch are on the same horizontal plane as the upper surface of the module body.

3. The automobile wiring harness fuse box relay socket quick-change detection module according to claim 1, characterized in that: The detection module also includes a cylinder cover, which is fixed to the module body by screws and is used to cover the upper cylinder assembly hole and protect the locking cylinder.

4. The automobile wiring harness fuse box relay socket quick-change detection module according to claim 1, characterized in that: The detection module also includes a positioning pin, which is interference-fitted with the module body and the module base at the same time, and the upper surface of the positioning pin is on the same horizontal plane as the upper surface of the module body.

5. The automobile wiring harness fuse box relay socket quick-change detection module according to claim 1, characterized in that: The locking cylinder is arranged in the module body and the module base, and is fixed on the module body by screws.

6. The automobile wiring harness fuse box relay socket quick-change detection module according to claim 1, characterized in that: The module body is connected and fixed to the module base by screws; the quick-change block is fixed to the module base by screws; the quick-change block base is fixed to the quick-change block by screws; the quick-change connector HDMI female end is fixed in the quick-change block base by screws; the circuit board is fixed to the module base by screws; the POM matching block is fixed to the module base by screws.

7. The automobile wiring harness fuse box relay socket quick-change detection module according to claim 1, characterized in that: The solenoid valve assembly includes a manifold and a solenoid valve. The manifold is fixed on the circuit board by screws. An air inlet connector and an air outlet connector are installed at both ends of the manifold through threaded holes. The air inlet connector is connected to the air source through an air pipe, and the air outlet connector is connected to the air pipe connector of the locking cylinder through the air pipe. The solenoid valve is fixed on the manifold by screws and is sealed to the manifold. The solenoid valve is electrically connected to the switch pin through the circuit on the circuit board, and the action of the locking cylinder is controlled by the solenoid valve.

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