Portable signal simulation, switching, test and wire harness inspection device

Abstract

The utility model relates to a portable signal simulation, switching, test and wire harness inspection device, and relates to the technical field of ECU signal simulation. The device comprises a wire harness end connector, a wire harness end strip-shaped connecting wire, a wire harness end storage box, a wire harness end test terminal, an ECU end connector, an ECU end strip-shaped connecting wire, an ECU end storage box, an ECU end test terminal and a printed circuit board. The wire harness end connector is used for connecting an engine wire harness; the ECU end connector is used for being connected with an engine ECU. The wire harness end test terminal is connected with the circuit board through a wire. The ECU end test terminal is connected with the circuit board through a wire. The PCB and the PCB wires are adopted, and compared with a traditional adapter, the weight is greatly reduced; the strip-shaped wire harnesses are adopted, so that the wire harnesses can be arranged more easily; the wire harnesses are stored through the pluggable storage box, so that the overall size is smaller, and the wire harnesses are convenient to carry by business trips and are suitable for being used in harsh environments such as a whole vehicle rack.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic control unit (ECU) signal simulation, in particular to a portable signal simulation, switching, testing and wiring harness inspection device. Background Art

[0002] As diesel engine electronic control systems become increasingly complex, the use of adapters can greatly improve work efficiency and enable faster experimental testing.

[0003] At present, traditional adapters use iron adapter boxes, which are connected by wires and wiring holes to achieve the adapter.

[0004] However, in traditional technologies, the wiring harnesses leading out from both ends cannot be stored, are large and heavy, and are not convenient for business travelers to carry. They are also unable to adapt to the harsh environment of small space and high vibration during vehicle and bench testing, and are easily damaged, affecting the progress of the test. Utility Model Content

[0005] The utility model relates to a portable signal simulation, switching, testing and wiring harness inspection device, which can realize efficient storage of wiring harnesses and reasonable layout of spatial structure. The device includes a wiring harness end connector, a wiring harness end ribbon cable, a wiring harness end storage box, a wiring harness end test terminal, an ECU end connector, an ECU end ribbon cable, an ECU end storage box, an ECU end test terminal and a printed circuit board (PCB).

[0006] The harness end storage box is used to hold the harness end ribbon connection wire;

[0007] The ECU storage box is used to hold the ECU ribbon cable;

[0008] The ECU-side storage box, the wiring harness-side storage box, the wiring harness-side test terminal, and the ECU-side test terminal are fixedly connected to the PCB;

[0009] PCB has circuit board conductors

[0010] The wiring harness terminal connector is used to connect the engine wiring harness;

[0011] The ECU terminal connector is used to connect to the engine ECU;

[0012] The test terminal at the harness end is connected to the circuit board wire;

[0013] The test terminal on the ECU is connected to the circuit board wire.

[0014] In a possible implementation manner, the harness-end test terminal and the ECU-end test terminal are configured with a test terminal switch.

[0015] In a possible implementation manner, the test terminal switch is implemented as a non-resettable switch.

[0016] In a possible implementation, the device further includes a substrate;

[0017] The PCB, the wiring harness end storage box and the ECU end storage box are fixedly connected to the base plate.

[0018] In a possible implementation manner, the substrate is made of aluminum.

[0019] In a possible implementation, the wire harness end storage box has a first slot, and the wire harness end connector has a first protrusion;

[0020] When the wire harness end storage box is matched with the wire harness end connector, the first protrusion is located inside the first slot.

[0021] In a possible implementation, the ECU-end storage box has a second slot, and the ECU-end connector has a second protrusion;

[0022] When the ECU-end storage box is matched with the ECU-end connector, the second protrusion is located inside the second slot.

[0023] In a possible implementation manner, the substrate is configured with an end cover; the material of the end cover is aluminum.

[0024] The beneficial effects brought by the technical solution provided by the utility model include at least:

[0025] ① The use of PCB board and PCB wire greatly reduces the weight compared with traditional adapters;

[0026] ②The use of ribbon harnesses makes it easier to organize the harnesses;

[0027] ③ The wiring harness is stored in a pluggable storage box, making the overall volume smaller, convenient for business travelers to carry, and suitable for use in harsh environments such as vehicle test benches. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of 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.

[0029] Figure 1 A schematic structural diagram of a portable signal simulation, switching, testing and wiring harness inspection device provided by an exemplary embodiment of the present application is shown.

[0030] Figure 2 A structural schematic diagram of a test terminal provided by an exemplary embodiment of the present application is shown.

[0031] Figure 3 A schematic diagram of the material of an end cover provided by an exemplary embodiment of the present application is shown.

[0032] Figure 4 A schematic diagram of the matching relationship between a first protrusion and a first groove provided by an exemplary embodiment of the present application is shown.

[0033] The reference numerals in the accompanying drawings are as follows:

[0034] 1-wiring harness end connector, 2-wiring harness end ribbon cable, 3-wiring harness end storage box, 4-wiring harness end test terminal, 5-ECU end connector, 6-ECU end ribbon cable, 7-ECU end storage box, 8-ECU end test terminal, 9-PCB, 10-circuit board wire, 11-test terminal switch, 13-substrate, 14-end cover;

[0035] 101- first protrusion;

[0036] 301-First slot. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0038] Figure 1 A schematic diagram of a portable signal simulation, switching, testing and wiring harness inspection device provided by an exemplary embodiment of the present application is shown. Figure 1 The device includes a harness end connector 1, a harness end ribbon cable 2, a harness end storage box 3, a harness end test terminal 4, an ECU end connector 5, an ECU end ribbon cable 6, an ECU end storage box 7, an ECU end test terminal 8 and a PCB 9; the harness end storage box 3 is used to accommodate the harness end ribbon cable 2; the ECU end storage box 7 is used to accommodate the ECU end ribbon cable 6; the ECU end storage box 7, the harness end storage box 3, the harness end test terminal 4 and the ECU end test terminal 8 are fixedly connected to the PCB 9; the PCB 9 has a circuit board wire 10; the harness end connector 1 is used to connect the engine harness; the ECU end connector 5 is used to connect the engine ECU; the harness end test terminal 4 is connected to the circuit board wire 10; the ECU end test terminal 8 is connected to the circuit board wire 10.

[0039] In an embodiment of the present application, during the use of the device, the wiring harness end is used to connect the engine wiring harness during the working process, and the ECU end is used to connect the engine ECU during the working process. Correspondingly, the ECU end test terminal 8 and the wiring harness end test terminal 4 are both connected to the circuit board wire 10, and the ECU end test terminal 8 is used to perform ECU end testing, and the wiring harness end test terminal 4 is used to perform wiring harness end testing.

[0040] In one example, the shape of the test terminal is as follows Figure 2 The square hole structure shown is convenient for fixing the signal line. In the embodiment of the present application, the number of the ECU end test terminal and the harness end test terminal are both at least two.

[0041] In combination with the above description, in an optional embodiment, the harness-end test terminal 4 and the ECU-end test terminal 8 are configured with a test terminal switch 11. The test terminal switch 11 is implemented as a non-resettable switch.

[0042] In an optional embodiment, the device further includes a substrate 13; the PCB 9, the wiring harness end storage box 3 and the ECU end storage box are fixedly connected to the substrate 13. The substrate 13 is made of aluminum. In a possible embodiment, the substrate 13 is configured as follows Figure 3 The end cap 14 shown is made of aluminum.

[0043] In an optional embodiment, the wire harness end storage box 3 has a first slot 301, and the wire harness end connector 1 has a first protrusion 101; when the wire harness end storage box 3 is matched with the wire harness end connector 1, the first protrusion 101 is located inside the first slot 301. Correspondingly, the ECU end storage box 7 has a second slot, and the ECU end connector has a second protrusion; when the ECU end storage box 7 is matched with the ECU end connector 5, the second protrusion is located inside the second slot.

[0044] Please refer to Figure 4 , which takes the connection method of the wiring harness end storage box 3 and the wiring harness end connector 1 as an example for explanation. In the embodiment of the present application, the connection method of the ECU end storage box 7 and the ECU end connector 5 is the same as Figure 4 The connections are the same as shown.

[0045] In summary, the device provided in the embodiments of the present application:

[0046] ① The use of PCB board and PCB wire greatly reduces the weight compared with traditional adapters;

[0047] ②The use of ribbon harnesses makes it easier to organize the harnesses;

[0048] ③ The wiring harness is stored in a pluggable storage box, making the overall volume smaller, convenient for business travelers to carry, and suitable for use in harsh environments such as vehicle test benches.

[0049] The above are only optional embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A portable signal simulation, switching, testing and wiring harness inspection device, characterized in that: The device comprises a wiring harness end connector (1), a wiring harness end ribbon cable (2), a wiring harness end storage box (3), a wiring harness end test terminal (4), an electronic control unit ECU end connector (5), an ECU end ribbon cable (6), an ECU end storage box (7), an ECU end test terminal (8) and a printed circuit board PCB (9); The wire harness end storage box (3) is used to accommodate the wire harness end ribbon-shaped connecting wire (2); The ECU end storage box (7) is used to accommodate the ECU end ribbon connection line (6); The ECU end storage box (7), the wiring harness end storage box (3), the wiring harness end test terminal (4) and the ECU end test terminal (8) are fixedly connected to the PCB (9); The PCB (9) has a circuit board conductor (10); The wiring harness terminal connector (1) is used to connect the engine wiring harness; The ECU terminal connector (5) is used to connect to the engine ECU; The harness end test terminal is connected to the circuit board wire (10); The ECU end test terminal is connected to the circuit board wire (10).

2. The portable signal simulation, switching, testing and wiring harness inspection device according to claim 1, characterized in that: The harness end test terminal (4) and the ECU end test terminal (8) are provided with a test terminal switch (11).

3. The portable signal simulation, switching, testing and wiring harness inspection device according to claim 2, characterized in that: The test terminal switch (11) is implemented as a non-resettable switch.

4. The portable signal simulation, switching, testing and wiring harness inspection device according to claim 1, characterized in that: The device also includes a substrate (13); The PCB (9), the wiring harness end storage box (3) and the ECU end storage box (7) are fixedly connected to the base plate (13).

5. The portable signal simulation, switching, testing and wiring harness inspection device according to claim 4, characterized in that: The substrate (13) is made of aluminum.

6. The portable signal simulation, switching, testing and wiring harness inspection device according to claim 1, characterized in that: The wire harness end storage box (3) has a first slot (301), and the wire harness end connector (1) has a first protrusion (101); When the wire harness end storage box (3) is matched with the wire harness end connector (1), the first protrusion (101) is located inside the first slot (301).

7. The portable signal simulation, switching, testing and wiring harness inspection device according to claim 1, characterized in that: The ECU end storage box has a second slot, and the ECU end connector has a second protrusion; When the ECU-end storage box is matched with the ECU-end connector, the second protrusion is located inside the second slot.

8. The portable signal simulation, switching, testing and wiring harness inspection device according to claim 4, characterized in that: The base plate (13) is provided with an end cover (14); The material of the end cover (14) is aluminum.

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