CN211786040U - Wire harness testing device - Google Patents

Abstract

The utility model relates to a testing arrangement technical field discloses a pencil testing arrangement, its be equipped with power source, connector, a plurality of tap and a plurality of and each on the test platform the test lamp of tap one-to-one, power source with the connector electricity is connected, the tap with the test lamp electricity is connected, the test lamp sets up one side of tap. The utility model provides a pencil testing arrangement simple structure, one-time operation can test pencil line preface fast accurately.

Description

A wiring harness testing device

technical field

The utility model relates to the technical field of testing devices, in particular to a wire harness testing device.

Background technique

Most electronic manufacturing plants still use manual installation and collection of wiring harnesses to organize wiring harnesses. One end of the plurality of wire units is connected to the first wire harness connector, and the other end of the wire units is connected to the second wire harness connector. Due to the large number of wire units, it is inevitable that the wiring sequence of the wiring harness will be incorrectly installed. Therefore, it is necessary to detect the wiring sequence of the wire harness.

At present, the inspectors manually insert each wire unit in the wire harness to be inspected on the circuit board of the whole machine in turn according to the wire harness drawing, and verify whether the wire sequence of the wire harness is correct by detecting the function realized by each wire after it is energized. Manually testing the lead unit one by one is prone to artificial leakage and burnout of circuit board components. Moreover, it takes 5 minutes to 8 minutes to remove the circuit board in the whole machine, and the test time is longer.

Utility model content

The purpose of the utility model is to provide a wiring harness testing device, which has a simple structure and can quickly and accurately test the wiring sequence of the wiring harness in one operation.

In order to achieve the above purpose, the utility model provides a wiring harness testing device, which includes a testing platform, and the testing platform is provided with a power interface, a connector, a plurality of taps, and a number of tests corresponding to the taps lamp,

The power interface is electrically connected with the connector, the tap is electrically connected with the test lamp, and the test lamp is arranged on one side of the tap.

As a preferred solution, at least two of the taps form a tap group, and the tap groups are arranged side by side.

As a preferred solution, the number of the connectors is two or more.

As a preferred solution, the power interface is arranged on one side of the test platform.

As a preferred solution, a power indicator light is further provided on the test platform, and the power indicator light is electrically connected to the power interface.

As a preferred solution, the test platform is provided with at least three support rods, and each of the support rods is evenly distributed on the test platform.

Compared with the prior art, the wiring harness testing device according to the embodiment of the present utility model has the beneficial effects that: the wiring harness testing device according to the embodiment of the present utility model includes a testing platform, and the testing platform is provided with a power supply interface for connecting a power supply, which is used for connecting to a power supply. A connector and a plurality of taps into the wiring harness, and a test lamp corresponding to each tap, the power interface is electrically connected with the connector, and the tap is electrically connected with the test lamp. If the line sequence is correct, the signal of the lead unit matches the pins and taps of the connector, the power interface, the connector, the lead unit, the tap and the test light form a complete path, and the test light is on. If the line sequence is wrong, the test light cannot be connected to the power supply, and the test light does not light up. When testing, just connect the first harness connector of the harness to the connector, connect the end of the wire unit away from the first harness connector to each tap, and observe whether the corresponding test lights are all on, that is, It can be judged whether the line sequence is wrong. Using the wire harness testing device is easy to operate, and it can be judged whether the order of all the wire units in the wire harness is correct in one test, and the test efficiency is high.

Description of drawings

1 is a perspective view of a wire harness testing device according to an embodiment of the present invention;

FIG. 2 is a circuit diagram of a wire harness testing device according to an embodiment of the present invention.

In the figure, 1. Test platform; 2. Power interface; 3. Connector; 4. Tap; 5. Test lamp; 6. Support rod; 7. Protection resistor.

Detailed ways

The specific embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

In the description of the present invention, it should be understood that the terms “upper”, “lower” and “vertical” are used in the present invention. , "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, which are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying the indicated device or element. It must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

It should be understood that the terms "first", "second", etc. are used to describe various information in the present invention, but the information should not be limited to these terms, and these terms are only used to distinguish the same type of information from each other. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information without departing from the scope of the present invention.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection, or It can be connected in one piece; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

As shown in FIG. 1 and FIG. 2, a wiring harness testing device according to a preferred embodiment of the present invention includes a testing platform 1, and the testing platform 1 is provided with a power interface 2, a connector 3, a plurality of taps 4 and A number of test lamps 5 corresponding to each tap 4 , the power interface 2 is electrically connected to the connector 3 , the tap 4 is electrically connected to the test lamp 5 , and the test lamp 5 is arranged on one side of the tap 4 .

Based on the above technical solutions, the power interface 2 can be connected to an external power supply, and can be connected to a 24V DC power supply, and two sets of power supplies are re-regulated internally: DC7V and DC5V. Connector 3 adopts DIP packaging technology. The power interface 2 is electrically connected with the connector 3. In order to prevent the electronic components from being burned out due to excessive voltage or current, a protection resistor 7 can be provided between the power supply and the connector 3, and the protection resistor 7 is electrically connected to the power supply and the connector 3 respectively. connect. The connector 3 has a number of connector pins. As shown in Figure 2, the connector 3 is denoted as the first connector pin, the second connector pin, the third connector pin, and the fourth connector pin from top to bottom. Insertion pins... The insertion pins can be connected to the protection resistor 7 correspondingly. The tap 4 also has several tap pins, generally there are four tap pins, which are respectively recorded as the first tap pin, the second tap pin, the third tap pin and the first tap pin from top to bottom. Four breakout pins. Multiple plug pins and multiple tap pins form multiple independent series circuits, which do not affect each other. Each plug pin can be electrically connected to a wire unit in the wire harness, one end of the wire unit is connected to one of the plug pins, and the other end is connected to one of the tap pins. The tap 4 is electrically connected or grounded to the test lamp 5 . The test light 5 may be a light emitting diode. The power supply, protection resistor 7, connector 3 and tap 4 form a series circuit. The first plug pin of the connector 3 is connected to a protection resistor 7, which is connected to an external 7V power supply. The corresponding wire of the wire is connected to the first tap pin of the tap 4 and connected to the first light emitting diode, thereby connecting the second tap pin of the connector 3, and the second tap pin is connected to the second light emitting diode, Then connect to the third patch pin, the third tap pin is connected to the third LED, the fourth patch pin is connected to the fourth tap pin, and the fourth LED is grounded to form a loop , this circuit is a series circuit. Therefore, the misalignment of the wire sequence or the open circuit of the wire will cause the LED to not be lit.

When in use, connect the external power supply to the power interface 2, connect the first harness connector of the harness to be detected to the connector 3, remove the second harness connector, and connect the multiple wire units of the harness to each tap. 4 in. If the wire sequence is correct, the signal transmission of the wire unit in the wire harness is correct, and the test light 5 is powered on. If the lead unit and the tap 4 do not correspond or match, the test light 5 corresponding to the wrong position of the lead unit will not light up. Therefore, when the wire sequence is incorrect or not completely correct, that is, the signal transmission of any wire unit in the wire harness is faulty, the test light 5 does not light up. When using the wire harness testing device, it can be judged whether the wire sequence is wrong by observing whether the test light 5 corresponding to the tap 4 is on or not. In this embodiment, the connector 3 , the tap and the test lamp 4 are all disposed on the upper surface of the test platform 1 .

Among them, at least two taps 4 form a tap group, each tap group is arranged side by side, and the arrangement is regular. In this embodiment, there are four component joint groups in total, the first component joint group includes four taps 4, the second component joint group includes five taps 4, and the third component joint group includes three taps 4. The fourth component tap group includes three taps 4 .

Specifically, the number of connectors 3 is more than two, that is, the wire harness testing device can test two sets of wire harnesses at the same time, which improves the detection efficiency of the wire harnesses.

In order to facilitate the wiring harness testing device to be connected to the power supply, the power supply interface 2 is arranged on one side of the test platform 1 to avoid excessive twisting of the power cord, resulting in damage to the power cord, which is beneficial to prolong the service life of the power cord.

Preferably, the test platform 1 is further provided with a power indicator light, and the power indicator light is electrically connected to the power interface 2 . The power indicator light can be a light-emitting diode, which is connected to the power interface 2. After the power supply is connected, the power indicator light automatically lights up when it is powered on, which can be used to indicate whether the wiring harness testing device is in a powered state.

In addition, at least three support rods 6 are provided on the test platform 1 , and each support rod 6 is evenly distributed on the test platform 1 . The support rod 6 can be arranged on the bottom of the test platform 1 for supporting the test platform 1 . Or, the support rod 6 is arranged on the top of the test platform 1 and can be used to support the product components located above the test platform 1 . At the test site, due to the small space, the tester can place other product components above the support rod 6 to reduce the space occupied by the product. In this embodiment, the shape of the test platform 1 is a cuboid, the support rods 6 are vertically connected to the top of the test platform 1 , the number of support rods 6 is four, and the four support rods 6 are located at four corners of the test platform 1 respectively. superior.

The working process of the utility model is as follows: before the detection, the second wire harness connector of the wire harness is disassembled. When testing, connect 24V DC to power interface 2, test platform 1 is powered on, and the power indicator lights up. Insert the first wire harness connector of the wire harness into the connector 3, connect the end of each wire unit away from the first wire harness connector to each tap 4, and observe whether the three test lights 5 corresponding to each tap 4 are all lights up. If so, it proves that the signal transmission of the wire unit is complete, and the wire sequence of the wire unit of the wire harness is correct. If any test light 5 corresponding to the tap 4 does not light up, it proves that the signal of the corresponding lead unit does not match the pin of the connector 3 and the signal of the tap 4, and there is a problem with the wiring sequence of the wiring harness. By using the wire harness testing device, the wire sequence of a plurality of wire units can be simultaneously detected by one operation, the detection efficiency is high, and the operation is convenient.

To sum up, the embodiments of the present invention provide a wiring harness testing device, which includes a testing platform, and the testing platform is provided with a power supply interface for accessing a power supply, a connector for accessing the wiring harness, a plurality of taps, and a connection with each tap. For the corresponding test lamp, the power interface is electrically connected with the connector, and the tap is electrically connected with the test lamp. If the line sequence is correct, the signal of the lead unit matches the pins and taps of the connector, the power interface, the connector, the lead unit, the tap and the test light form a complete path, and the test light is on. If the line sequence is wrong, the test light cannot be connected to the power supply, and the test light does not light up. When testing, just connect the first wire harness connector of the wire harness to the connector, connect the end of the wire unit away from the first wire harness connector to each tap, and observe whether the corresponding test light is on. Determine whether the line sequence is wrong. Using the wire harness testing device is easy to operate, and it can be judged whether the order of all the wire units in the wire harness is correct in one test, and the test efficiency is high.

The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, some improvements and replacements can be made without departing from the technical principles of the present invention. These improvements And replacement should also be regarded as the protection scope of the present invention.

Claims (6)

1. A wire harness testing device is characterized by comprising a testing platform, wherein the testing platform is provided with a power supply interface, a connector, a plurality of taps and a plurality of testing lamps corresponding to the taps,

the power interface is electrically connected with the connector, the tap is electrically connected with the test lamp, and the test lamp is arranged on one side of the tap.

2. The harness testing device of claim 1, wherein at least two of the taps comprise a group of taps, the groups of taps being arranged in parallel.

3. The wire harness testing device of claim 1, wherein the number of connectors is two or more.

4. The wire harness testing device of claim 1, wherein the power interface is disposed on a side of the test platform.

5. The wire harness testing device of claim 1, wherein a power indicator is further disposed on the testing platform, the power indicator being electrically connected to the power interface.

6. The wire harness testing device according to any one of claims 1 to 5, wherein the testing platform is provided with at least three support bars, and each support bar is uniformly distributed on the testing platform.

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