Intelligent multi-core cable harness detection device

A multi-core cable and wire harness detection technology, applied in the direction of measuring devices, measuring electricity, measuring electrical variables, etc., can solve the problems of system detection efficiency and scalability limitations, improve the efficiency of wire harness testing, eliminate the influence of ground wire interference, current Measuring Accurate Effects

Inactive Publication Date: 2011-01-05
CHINA FIRST AUTOMOBILE
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Problems solved by technology

Due to the response time required for relay loading, the detection efficie

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  • Intelligent multi-core cable harness detection device
  • Intelligent multi-core cable harness detection device
  • Intelligent multi-core cable harness detection device

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Embodiment Construction

[0016] The working principle, specific structure and preferred embodiments of the multi-core cable harness detection device of the present invention will be described in detail below with reference to the accompanying drawings.

[0017] figure 1 It is the principle block diagram of the multi-core cable harness detection device of the present invention, which is mainly composed of programmable power supply, intelligent multi-channel switch, current-limiting resistor network, input multi-core converter, input connector, output connector, output multi-core converter, current Sampling, analog multiplexer, single-chip microcomputer system, alarm device and computer (host computer). The input / output connector is customized according to the input / output connector of the tested wiring harness. One end of the connector is connected to the wiring harness with a connector, which improves the efficiency of wiring harness testing; the other end is connected to a multi-core converter, which use...

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Abstract

The invention relates to an intelligent multi-core cable harness detection device. The device consists of a programmable power supply, an intelligent multi-channel switch, a current-limiting resistor network, a multi-core converter, a current sampling module, an analog multiplexer, a single-chip, a computer and detection software. The device can automatically analyze short-circuit performance, open-circuit performance and conduction performance of a multi-core cable harness. A harness system state is determined through a harness performance testing matrix graphical detection result and by comparing the result with a pre-stored standard, and different fault types are indicated by colors; and meanwhile, a fault alarm can be sent by an alarm device with sound and changing light. The device has the characteristics of simple and convenient operation, high testing efficiency, high system extensibility and the like, and can be directly used for development of harness-related products, quality control and performance detection.

Description

Technical field [0001] The invention belongs to the technical field of testing short circuit, open circuit, leakage or incorrect connection of electrical equipment and lines. The invention relates to an intelligent multi-core cable harness detection device, in particular to a detection and performance analysis device for complex automobile wiring harness systems. Background technique [0002] In various electrical connections, it is necessary to make a large number of connecting wire harnesses, especially today when the functions of automobiles are becoming more and more advanced and intelligent. Vehicle electronic systems are becoming more and more complex, and the electrical control system wiring harnesses that follow are becoming more and more complex. The number is also increasing. The wiring harness is usually composed of multi-core wires, which are branched and routed according to their functions and requirements. For vehicle wiring harnesses, due to the complexity of the...

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Application Information

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IPC IPC(8): G01R31/02G01R19/00
Inventor 宋国民曾伟徐剑飞陆召振杨明王奇
Owner CHINA FIRST AUTOMOBILE
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