Right collision wheel drop wire harness group testing device

By designing the right collision wheel drop harness test device, the test process is simplified by combining the switch rocker and the collision rocker, the problem of low testing efficiency in the existing technology is solved, and stable and reliable test results and reduction are achieved. cost effect.

CN222365080UActive Publication Date: 2025-01-17DONGGUAN RUISHENG WIRE CABLE CO LTD
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Patent Information

Application Number
CN202323552948.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-26
Publication Date
2025-01-17
Estimated Expiration
2033-12-26

AI Technical Summary

Technical Problem

The existing test device test process and the principle of connection are complex, resulting in inefficient testing and unable to meet the testing tasks of large batches of wire harnesses.

Method used

A right collision wheel drop harness test device is designed, using PCB and MCU, through the combination of switch rocker and collision rocker, the high and low signals are output using buzzer and LED lights, simplifying the test process and ensuring that the optical coupler and wheel are colliding. It works normally in a state of falling and moving slightly.

Benefits of technology

The stability and reliability of the test are achieved, the device cost is reduced, and the LED light is controlled through intuitive signal, and the wire harness performance is quickly learned and the test efficiency is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a right collision wheel drop wire harness group testing device comprising a PCB which comprises a first pin, a second pin, a third pin, a fourth pin, a fifth pin and a sixth pin. The first pin is grounded; the second pin is electrically connected with the switch rocker after being connected in series with a resistor R1, and is electrically connected with the power supply after being connected in series with a resistor R2; the third pin is electrically connected with the negative electrode of the receiving optocoupler and is grounded; the fourth pin is electrically connected with the positive electrode of the receiving optocoupler, is electrically connected with the collision rocker after being connected with a resistor R3 in series, and is electrically connected with the power supply after being connected with a resistor R4 in series; the fifth pin is electrically connected with the negative electrode of the transmitting optocoupler and is grounded; and the sixth pin is electrically connected with the positive electrode of the transmitting optocoupler, and is electrically connected with the power supply after being connected in series with a resistor R5. According to the utility model, the switch rocking bar and the collision rocking bar are adopted, normal work in a collision optocoupler and wheel fall micro-motion state is ensured, the on-off of the LED lamp is controlled through output high-low signals, and the performance of the wire harness can be intuitively and conveniently known.
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Description

Technical Field

[0001] The utility model relates to the technical field of testing devices, in particular to a right collision wheel drop harness group testing device. Background Art

[0002] In order to meet the testing needs of large quantities of wiring harnesses, it is necessary to effectively improve the testing efficiency. However, the testing process and connection principle of the existing testing equipment are complicated, the testing time is long, the testing efficiency is low, and it cannot meet the testing tasks of large quantities. Utility Model Content

[0003] In order to overcome the above technical problems, the utility model discloses a right collision wheel drop harness group testing device.

[0004] The technical solution adopted by the utility model to achieve the above-mentioned purpose is:

[0005] A right collision wheel drop harness test device, the device comprising a PCB, the PCB comprising a first pin, a second pin, a third pin, a fourth pin, a fifth pin and a sixth pin;

[0006] The first pin is grounded;

[0007] The second pin is connected in series with a resistor R1 and then electrically connected to the switch rocker, and the second pin is connected in series with a resistor R2 and then electrically connected to the power supply;

[0008] The third pin is electrically connected to the negative electrode of the receiving optical coupler and is grounded;

[0009] The fourth pin is electrically connected to the positive electrode of the receiving optical coupler, is electrically connected to the collision rocker after being connected in series with the resistor R3, and is electrically connected to the power supply after being connected in series with the resistor R4;

[0010] The fifth pin is electrically connected to the negative electrode of the transmitting optical coupler and is grounded;

[0011] The sixth pin is electrically connected to the positive electrode of the transmitting optical coupler, and is electrically connected to the power supply after being connected in series with the resistor R5.

[0012] In the above-mentioned right collision wheel drop harness group testing device, a buzzer is arranged in series between the switch rocker and the resistor R1, and an LED light is arranged in series between the collision rocker and the resistor R3.

[0013] In the above-mentioned right collision wheel drop wiring harness group testing device, the resistance of the resistor R1 is 1 kΩ, and the resistance of the resistor R2 is 100 kΩ.

[0014] In the above-mentioned right collision wheel drop wiring harness group testing device, the resistance of the resistor R3 is 10kΩ, and the resistance of the resistor R4 is 100kΩ.

[0015] In the above-mentioned right collision wheel drop wiring harness group testing device, the resistance of the resistor R5 is 510Ω.

[0016] In the above-mentioned right collision wheel drop wiring harness group testing device, the voltage of the power supply is 3.3V.

[0017] The above-mentioned right collision wheel drop harness group test device, wherein the device also includes an electrically connected access board and a function board, an MCU is arranged on the function board, the MCU is arranged on the PCB, the MCU includes an MCU-BUMP-L pin and an MCU-DROP-L pin, the MCU-BUMP-L pin is electrically connected to the collision rocker, and the MCU-DROP-L pin is electrically connected to the switch rocker.

[0018] In the above-mentioned right collision wheel drop harness group testing device, a power interface for connecting to the power supply is also provided on the function board.

[0019] The above-mentioned right collision wheel drop harness group testing device, wherein a product access interface is provided on the access plate.

[0020] In the above-mentioned right collision wheel drop harness group testing device, the access board and the function board are respectively provided with a first test interface and a second test interface, and the first test interface and the second test interface are electrically connected through a connecting line.

[0021] The beneficial effects of the utility model are as follows: the utility model combines the switch rocker and the collision rocker to ensure that the collision optocoupler and the wheel drop micro-motion state can work normally, and the LED light is controlled by outputting high and low signals, so that the performance of the wiring harness can be intuitively and conveniently known, the test is stable and reliable, the structure is simple, and the device cost is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0023] Figure 1 It is a circuit diagram of the utility model;

[0024] Figure 2 It is a front view schematic diagram of the utility model. DETAILED DESCRIPTION

[0025] The present invention is further described below through specific embodiments to make the technical solution of the present invention easier to understand and grasp, rather than to limit the present invention.

[0026] Example: See Figure 1 to Figure 2, a right collision wheel drop harness group test device provided in this embodiment, the device includes a PCB, the PCB includes a first pin, a second pin, a third pin, a fourth pin, a fifth pin and a sixth pin;

[0027] The first pin is grounded;

[0028] The second pin is connected in series with a resistor R1 and then electrically connected to the switch rocker, and the second pin is connected in series with a resistor R2 and then electrically connected to the power supply;

[0029] The third pin is electrically connected to the negative electrode of the receiving optical coupler and is grounded;

[0030] The fourth pin is electrically connected to the positive electrode of the receiving optical coupler, is electrically connected to the collision rocker after being connected in series with the resistor R3, and is electrically connected to the power supply after being connected in series with the resistor R4;

[0031] The fifth pin is electrically connected to the negative electrode of the transmitting optical coupler and is grounded;

[0032] The sixth pin is electrically connected to the positive electrode of the transmitting optical coupler, and is electrically connected to the power supply after being connected in series with the resistor R5.

[0033] Preferably, a buzzer is arranged in series between the switch rocker and the resistor R1, and an LED light is arranged in series between the collision rocker and the resistor R3; specifically, the switch rocker is a wheel-drop micro switch, and when the switch rocker is pressed, the buzzer makes a sound to remind that the circuit is turned on.

[0034] Preferably, the resistance of the resistor R1 is 1 kΩ, the resistance of the resistor R2 is 100 kΩ, the resistance of the resistor R3 is 10 kΩ, the resistance of the resistor R4 is 100 kΩ, and the resistance of the resistor R5 is 510 Ω.

[0035] Preferably, the voltage of the power supply is 3.3V.

[0036] Preferably, the device also includes an electrically connected access board and a function board, an MCU is arranged on the function board, the MCU is arranged on the PCB, the MCU includes an MCU-BUMP-L pin and an MCU-DROP-L pin, the MCU-BUMP-L pin is electrically connected to the collision rocker, and the MCU-DROP-L pin is electrically connected to the switch rocker.

[0037] Preferably, a power interface for connecting the power supply is also provided on the function board, and a product access interface is provided on the access board, and the product access interface is used to access the wiring harness to be tested.

[0038] Specifically, the access board and the function board are respectively provided with a first test interface and a second test interface, and the first test interface and the second test interface are electrically connected via a connecting line.

[0039] When the utility model is working, it includes the following steps:

[0040] (1) Connecting the wiring harness to be tested to the product access interface;

[0041] (2) When the switch rocker is pressed, the buzzer sounds to remind that the circuit is turned on and the power supply outputs a constant current;

[0042] (3) When the bump rocker is pressed, the MCU-BUMP-L pin outputs 0, and the LED light goes out, indicating that the wiring harness is good;

[0043] When the bump rocker is not pressed, the MCU-BUMP-L pin outputs 3.3V, and the LED light is on, indicating that the wiring harness is defective.

[0044] The design of the utility model is reasonable and ingenious. It combines the switch rocker and the collision rocker to ensure that the collision optical coupler and the wheel drop micro-motion state can work normally. The LED light is controlled by the output high and low signals, and the performance of the wiring harness is intuitively and conveniently known. The test is stable and reliable, the structure is simple, and the device cost is reduced.

[0045] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Any technician familiar with the field can make many possible changes and modifications to the technical solution of the utility model by using the technical means and technical contents disclosed above, without departing from the scope of the technical solution of the utility model, or modify it into an equivalent embodiment of equivalent changes. Therefore, all equivalent changes made according to the shape, structure and principle of the utility model without departing from the content of the technical solution of the utility model should be covered by the protection scope of the utility model.

Claims

1. A right collision wheel drop harness test device, characterized in that: The device includes a PCB, and the PCB includes a first pin, a second pin, a third pin, a fourth pin, a fifth pin, and a sixth pin; The first pin is grounded; The second pin is connected in series with a resistor R1 and then electrically connected to the switch rocker, and the second pin is connected in series with a resistor R2 and then electrically connected to the power supply; The third pin is electrically connected to the negative electrode of the receiving optical coupler and is grounded; The fourth pin is electrically connected to the positive electrode of the receiving optical coupler, is electrically connected to the collision rocker after being connected in series with the resistor R3, and is electrically connected to the power supply after being connected in series with the resistor R4; The fifth pin is electrically connected to the negative electrode of the transmitting optical coupler and is grounded; The sixth pin is electrically connected to the positive electrode of the transmitting optical coupler, and is electrically connected to the power supply after being connected in series with the resistor R5.

2. The right collision wheel drop harness test device according to claim 1, characterized in that: A buzzer is connected in series between the switch rocker and the resistor R1 , and an LED light is connected in series between the collision rocker and the resistor R3 .

3. The right collision wheel drop harness test device according to claim 2, characterized in that: The resistance of the resistor R1 is 1 kΩ, and the resistance of the resistor R2 is 100 kΩ.

4. The right collision wheel drop harness test device according to claim 3 is characterized in that: The resistance of the resistor R3 is 10 kΩ, and the resistance of the resistor R4 is 100 kΩ.

5. The right collision wheel drop harness test device according to claim 4, characterized in that: The resistance of the resistor R5 is 510Ω.

6. The right collision wheel drop harness test device according to claim 5, characterized in that: The voltage of the power supply is 3.3V.

7. The right collision wheel drop harness test device according to claim 6, characterized in that: The device also includes an electrically connected access board and a function board, an MCU is arranged on the function board, the MCU is arranged on the PCB, the MCU includes an MCU-BUMP-L pin and an MCU-DROP-L pin, the MCU-BUMP-L pin is electrically connected to the collision rocker, and the MCU-DROP-L pin is electrically connected to the switch rocker.

8. The right collision wheel drop harness test device according to claim 7, characterized in that: The function board is also provided with a power interface for connecting to the power supply.

9. The right collision wheel drop harness test device according to claim 8, characterized in that: A product access interface is provided on the access board.

10. The right collision wheel drop harness test device according to claim 9, characterized in that: The access board and the function board are respectively provided with a first test interface and a second test interface, and the first test interface and the second test interface are electrically connected via a connecting line.