The embodiment of the invention provides a wiring harness testing device, and belongs to the technical field of wiring harness testing. The wiring harness testing device comprises an interface module, a control module and a display module, wherein the interface module is used for connecting wiring harness and the control module; the control module is used for testing a conducting state of the wiring harness and outputting a display signal; the display module is used for displaying a testing result according to the display signal. According to the wiring harness testing device, the operation of testing the wiring harness is simple, and the testing efficiency and the degree of accuracy are high.

Wiring harness testing device

The present invention discloses a universal multi-wire-harness detection equipment which comprises a power supply module which is connected to a harness interface module and a single chip microcomputer, and the harness interface module is connected to the single chip microcomputer. The single chip microcomputer is connected to a LCD module and a sound and light alarm module through conductive wires and is connected to a storage module. The power supply module is responsible for supplying power to the single chip microcomputer and a wire harness to be detected. The LCD module displays the connection relation between current wire harnesses in real time. The sound and light alarm module emits alarm in the condition that the wire harness to be detected is inconsistent with storage data, and a corresponding error position is displayed through an alarm to remind the staff. Through introducing the storage module, the wire harness detection of different connection modes is completed, the purpose of a multi-purpose machine is realized, the LCD module and the sound and light alarm module are added at the same time, the position of a wrongly connected conductive wire can be visually displayed, and testers can conveniently use the universal multi-wire-harness detection equipment.

Universal multi-wire-harness detection equipment and use method

The invention discloses a detection device circuit special for a USB connecting line. The detection device circuit comprises a system processing module, a harness detection module, a current detection module, a power module and a display module; the harness detection module is connected with the USB connecting line to be detected, the harness detection module is connected with the system processing module, one end of the current detection module is connected with the harness detection module, the other end of the current detection module is connected with the system processing module, and the system processing module is connected with the display module, the power module and the system processing module. The USB connecting line is connected with the harness detection module, and the harness detection module is connected with the system processing module and the current detection module. Indexes of line connection and disconnection, line intersection, line current and the like of the USB connecting line are detected through the system processing module and the current detection module. In addition, the detection device circuit can be used for detecting the indexes of the USB connecting line and can also be used for detecting indexes of other connecting lines.

Detection device circuit special for USB connecting line

The utility model discloses a wiring harness on-off detector comprising a main controller, the main controller is respectively connected with a power module, a display device, a CPLD controller, a memory and a man-machine interface, the display device is connected with the power module, and the CPLD controller is connected with an external connection wire switching terminal. The wiring harness on-off detector fills the gap of low-end detection products among detectors. The man-machine interface is designed into a key, full consideration is given to the operation habit of users, the interface layout is reasonable, and the design of the man-machine interface is more user-friendly. All ports of the detector are independent and can carry out detection mutually. After detection is completed, a detection result is directly fed back to the man-machine interface, users are enabled to see the result more intuitively through acousto-optic prompt, the detection speed and accuracy are improved, and the working cost is greatly reduced.

Wiring harness on-off detector

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Wiring harness on-off detector