CN209946352U - HiL wire harness testing device - Google Patents

Abstract

The utility model discloses a HiL wire harness testing device, comprising a first splitter and a second splitter, wherein the first splitter is provided with a first connector, a first test terminal and a first power terminal and the second power supply terminal, the first test terminal is connected with the first power supply terminal, each pin of the first connector is connected with an indicator light, and the first end of each indicator light is connected with the first end of the first power supply terminal. Corresponding pins in a connector are connected, the second ends of all indicator lights are connected to the second power terminal, the second splitter is provided with a second connector, each lead of the second connector The pins are connected with second test terminals. The utility model leads out the pins of the HiL wiring harness through the connector and the terminal, so that the tester can use a wire to test whether the HiL wiring harness is qualified, the tester can complete the test alone, and the test efficiency is improved. The utility model can be widely used in the field of testing technology.

Description

A HiL harness testing device

technical field

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

Background technique

HiL testing plays a vital role in the development process of automotive controllers, and the importance of HiL harnesses as a connecting device connecting HiL equipment and controllers is self-evident. After designing the wiring harness, it is usually entrusted to a professional organization for production. Of course, the supplier will monitor the quality of the wiring harness, but when HiL testers get the wiring harness, it is still necessary to conduct a comprehensive investigation to verify whether it is completely in accordance with The designed signal comparison table is made.

Usually HiL wiring harness is detected by using a multimeter to measure a group of pins that should be connected together according to the signal comparison table. When the measured resistance is very small, it is directly connected through wires, which meets the requirements of the signal comparison table. The problem is that the connectors at both ends of the harness are relatively small, and each connector integrates a certain number of pins, and the pins are even smaller. Therefore, when measuring with a multimeter, it is very difficult to use two hands to control the connectors at both ends of the wire harness and find the corresponding pins. In most cases, multiple personnel are required to cooperate with each other to carry out the inspection of the wiring harness smoothly, resulting in low efficiency of the entire testing process.

Utility model content

In order to solve the above technical problems, the purpose of the present invention is to provide a HiL wire harness testing device that can improve the testing efficiency.

The first technical scheme adopted by the utility model is:

A HiL wiring harness testing device, including a first splitter and a second splitter, the first splitter is provided with a first connector, a first test terminal, a first power terminal and a second power supply wiring The first test terminal is connected to the first power supply terminal, each pin of the first connector is connected with an indicator light, and the first end of each indicator light corresponds to its first connector in the first connector. The pins are connected, the second ends of all indicator lights are connected with the second power terminal, the second splitter is provided with a second connector, and each pin of the second connector is connected with a second power supply terminal. Two test terminals.

Further, the first test terminal, the second test terminal, the first power terminal and the second power terminal are all banana plug sockets.

Further, the indicator light is a bidirectional LED light.

Further, the first splitter is provided with a serial number identification of an indicator light, and the second splitter is provided with a serial number identification of the second test terminal.

Further, the indicator lights are arranged in an array.

Further, the second test terminals are arranged in an array.

The second technical scheme adopted by the utility model is:

A HiL wiring harness testing device, comprising a first splitter and a second splitter, the first splitter is provided with a first connector, a first test terminal and a power module, the first test terminal Connected with the first output end of the power supply module, each pin of the first connector is connected with an indicator light, the first end of each indicator light is connected to its corresponding pin in the first connector, all indications The second ends of the lamps are all connected to the second output end of the power module, the second splitter is provided with a second connector, and each pin of the second connector is connected with a second test terminal.

Further, the first test terminal and the second test terminal are both banana plug sockets.

Further, the first splitter is provided with a serial number identification of an indicator light, and the second splitter is provided with a serial number identification of the second test terminal.

Further, the indicator lights are arranged in an array.

The beneficial effects of the utility model are: the utility model adds a first connector, which can connect the pins at one end of the HiL wiring harness to different indicator lights, and then lead out the pins on the other end of the HiL wiring harness through the second connector To the second test terminal, when the test device is powered on, it is only necessary to connect the first test terminal and one of the second test terminals through a wire, and then you can test out the Whether the pins of the HiL wiring harness corresponding to the second test terminal are connected correctly, the utility model leads the pins of the HiL wiring harness through the connector and the wiring terminal, so that the tester can use a wire to test whether the HiL wiring harness is qualified or not. Personnel can complete the test alone, which improves the efficiency of the test.

Description of drawings

1 is a schematic structural diagram of a HiL wire harness testing device according to a specific embodiment of the present utility model;

FIG. 2 is a schematic structural diagram of a HiL wire harness testing device according to another specific embodiment of the present invention.

Detailed ways

The utility model will be further described below with reference to the accompanying drawings and specific embodiments.

Referring to FIG. 1 , this embodiment discloses a HiL wire harness testing device, which includes: a first splitter 100 and a second splitter 200 , the first splitter 100 is provided with a first connector 101 , a second splitter A test terminal 102, a first power terminal 103 and a second power terminal 104, the first test terminal 102 is connected to the first power terminal 103, and each pin of the first connector 101 is The indicator lights 105 are connected, the first end of each indicator light 105 is connected to its corresponding pin in the first connector 101, the second ends of all indicator lights 105 are connected to the second power supply terminal 104, the The splitter 200 is provided with a second connector 201 , and each pin of the second connector 201 is connected with a second test terminal 202 .

Wherein, the first connector and the second connector are sockets corresponding to the plugs at both ends of the HiL wiring harness, and different sockets can be selected for implementation according to different plugs of the HiL wiring harness.

As shown in FIG. 1 , the first power supply terminal 103 and the second power supply terminal 104 are respectively used to connect the positive pole and the negative pole of the power supply module 106. As for the specific connection method of the positive pole and the negative pole of the power supply module 106, it depends on the Design depends.

In some embodiments, the indicator light is realized by LED lights, and ordinary LED lights are divided into positive and negative poles. Therefore, in this case, it is necessary to set the first power supply terminal and the second power supply terminal to distinguish the positive and negative poles. Indicating features. For example, the first power terminal is used to connect to the positive pole of the power supply, and can be set to be red, or marked with a "+" sign on it. The second power terminal is used to connect to the negative pole of the power supply, and can be set to black, or marked with a "-" sign on it.

In this embodiment, the power supply module may be implemented by a linear regulated power supply or a switching power supply. The output voltage of the power supply module is selected according to the test needs, and a power supply module with an output voltage of 12V is generally selected.

In addition, the first test terminal, the second test terminal, the first power terminal and the second power terminal can be realized by using a banana plug socket, a printed electrode or a terminal.

Referring to FIG. 1 , when this embodiment works, both ends of the HiL wire harness 300 are first connected to the first connector 101 and the second connector 201 respectively. At this time, multiple wires in the HiL wire harness 300 are respectively connected to multiple a second test terminal 202 and a plurality of indicator lights 105 . Then all the indicator lights 105 are connected to the negative terminal of the power module 106 through the second power terminal 104 , and the positive terminal of the power module 106 is connected to the first test terminal 102 through the first power terminal 103 .

The tester only needs to use one wire 400 to connect the first test terminal 102 and any second test terminal 202, the second test terminal 202 will form a path with the corresponding indicator light 105, and the second test terminal 202 will form a path. The indicator light 105 corresponding to the test terminal 202 will light up.

Therefore, if there is no indicator light on or the lighted indicator light does not correspond to the second test terminal during the test, it means that the HiL wiring harness is disconnected or misconnected.

As a preferred embodiment, the first test terminal, the second test terminal, the first power terminal and the second power terminal are all banana plug sockets. The banana jack is used as the terminal, which is easy for testers to plug and unplug and the connection is stable. The banana plug socket is generally a 4mm banana plug socket, and during the test, the tester can select the wire and the power module with the connector of the banana plug for testing.

As a preferred embodiment, the indicator light is a bidirectional LED light. The bidirectional LED refers to integrating two LED lights with opposite directions in one lamp bead, and the LED lights can be lit regardless of whether the positive and negative poles of the power supply are connected. The bidirectional LED light is used as the indicator light, and the tester can not distinguish the positive and negative poles when connecting to the power module.

As a preferred embodiment, the first splitter is provided with a serial number identification of an indicator light, and the second splitter is provided with a serial number identification of the second test terminal. The serial number identification may be embossed or gravure printed on the splitter, or a label attached to the splitter, or the like. The number identification can be numbers such as "1", "2", ..., "100", or letters such as "A", "B", "C", ..., "Z".

As a preferred embodiment, the indicator lights are arranged in an array. The array formed by the indicator lights is the same as the array formed by the pins of the first connector. Of course, the same refers to the same arrangement, and the distances on the array points are not necessarily the same. In addition, each indicator light corresponds to its correspondingly connected pin in the first connector, and its position in the array corresponds. The indicator lights are arranged in the same way as the pins of the first connector, so that the tester can quickly find the position of the faulty pin.

As a preferred embodiment, the second test terminals are arranged in an array. Similarly, the array formed by the second test terminal is the same as the array formed by the pins of the second connector. In addition, each second test terminal and its correspondingly connected pin in the second connector are in the same position in the array. This embodiment helps the tester to locate the tested pins.

Referring to FIG. 2 , this embodiment discloses a HiL wire harness testing device, including a first splitter 100 and a second splitter 200 , the first splitter 100 is provided with a first connector 101 , a first test The terminal 102 and the power module 106, the first test terminal 102 is connected to the first output terminal of the power module 106, each pin of the first connector 101 is connected with an indicator light 105, and each indicator light The first end of 105 is connected to its corresponding pin in the first connector 101, the second ends of all indicator lights 105 are connected to the second output end of the power module 106, and the second splitter 200 is provided with a Two connectors 201, each pin of the second connector 201 is connected with a second test terminal 202.

In this embodiment, the power module 106 is built in the first splitter 100 . The power supply module 106 may be a power supply module including a battery, or may be a DC/DC or AC/DC converter that requires an external power supply.

In this embodiment, the user does not need to carry an external power supply when carrying the test device, which is convenient for on-site testing.

As a preferred embodiment, the first test terminal and the second test terminal are both banana plug sockets.

As a preferred embodiment, the first splitter is provided with a serial number identification of an indicator light, and the second splitter is provided with a serial number identification of the second test terminal.

As a preferred embodiment, the indicator lights are arranged in an array. The array formed by the indicator lights is the same as the array formed by the pins of the first connector. Of course, the same refers to the same arrangement, and the distances on the array points are not necessarily the same. In addition, each indicator light corresponds to its correspondingly connected pin in the first connector, and its position in the array corresponds. The indicator lights are arranged in the same way as the pins of the first connector, so that the tester can quickly find the position of the faulty pin.

As a preferred embodiment, the second test terminals are arranged in an array. Similarly, the array formed by the second test terminal is the same as the array formed by the pins of the second connector. In addition, each second test terminal and its correspondingly connected pin in the second connector are in the same position in the array. This embodiment helps the tester to locate the tested pins.

The above is a specific description of the preferred implementation of the present utility model, but the present utility model is not limited to the described embodiments, and those skilled in the art can also make various equivalent deformations on the premise that does not violate the spirit of the present utility model. Or alternatives, these equivalent modifications or alternatives are all included within the scope defined by the claims of the present application.

Claims (10)

1. A HiL wiring harness testing device is characterized in that: comprising a first splitter and a second splitter, the first splitter is provided with a first connector, a first test terminal, a first power supply wiring terminal and a second power supply terminal, the first test terminal is connected with the first power supply terminal, each pin of the first connector is connected with an indicator light, and the first end of each indicator light is connected with it. The corresponding pins in the first connector are connected, the second ends of all indicator lights are connected with the second power terminal, the second splitter is provided with a second connector, and each of the second connectors is A second test terminal is connected to the pins. 2. A HiL wiring harness testing device according to claim 1, wherein the first test terminal, the second test terminal, the first power terminal and the second power terminal are all banana plug sockets . 3 . The HiL wiring harness testing device according to claim 1 , wherein the indicator light is a bidirectional LED light. 4 . 4. A kind of HiL wiring harness testing device according to claim 1, is characterized in that: described first splitter is provided with the serial number sign of indicator light, and described second splitter is provided with second test wiring End number identification. 5 . The HiL wire harness testing device according to claim 1 , wherein the indicator lights are arranged in an array. 6 . 6 . The HiL wire harness testing device according to claim 1 , wherein the second test terminals are arranged in an array. 7 . 7. A HiL wire harness testing device, characterized in that it comprises a first splitter and a second splitter, and the first splitter is provided with a first connector, a first test terminal and a power supply module, so that the The first test terminal is connected to the first output end of the power supply module, each pin of the first connector is connected with an indicator light, and the first end of each indicator light is corresponding to the first connector in the first connector. The pins are connected, the second ends of all indicator lights are connected with the second output end of the power module, the second splitter is provided with a second connector, and each pin of the second connector is connected with a Second test terminal. 8 . The HiL wire harness testing device according to claim 7 , wherein the first test terminal and the second test terminal are both banana plug sockets. 9 . 9. A kind of HiL wiring harness testing device according to claim 7, it is characterized in that: described first splitter is provided with the serial number sign of indicator light, described second splitter is provided with second test wiring End number identification. 10 . The HiL wire harness testing device according to claim 7 , wherein the indicator lights are arranged in an array. 11 .

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