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Precision detection device and method for multi-core cable terminal crimping quality

A technology of cable terminal and crimping quality, applied in the direction of measuring device, measuring electrical variable, measuring electricity, etc., can solve the problems of unable to meet the requirements, unable to measure the equivalent resistance value of the core wire, etc.

Inactive Publication Date: 2014-09-10
WEIHAI VOCATIONAL COLLEGE +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In the existing multi-core cable terminal crimping quality rapid detection device and method, because there is a fluctuation space of 0.102V for the terminal crimping quality, that is: when the cable length is the maximum value (40m), the terminal crimping Equivalent resistance R T When it exceeds the standard value of 8Ω and is less than 10.2Ω, it may still be judged as a qualified product, and the specific equivalent resistance value of each core wire cannot be measured
If it is necessary to measure the equivalent resistance value of each core wire to determine whether there is a quality fault due to the requirements of the cable application, the rapid detection method cannot meet the requirements

Method used

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  • Precision detection device and method for multi-core cable terminal crimping quality
  • Precision detection device and method for multi-core cable terminal crimping quality
  • Precision detection device and method for multi-core cable terminal crimping quality

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Embodiment Construction

[0073] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0074] Such as figure 2 As shown, a multi-core cable terminal crimping quality precision detection device, including: detection speed control circuit 1, the detection speed control circuit 1 is connected to the detection timing control circuit 2, the detection timing control circuit 2 is misaligned with the open circuit The detection circuit 3 is connected, and the open circuit dislocation detection circuit 3 is connected with the fault judgment alarm circuit 6; the detection timing control circuit 2 is also connected with the sampling comparison amplifier circuit 4, and the sampling comparison amplifier circuit 4 is connected with the A / D analog-to-digital conversion The circuit 7 is connected, and the A / D analog-to-digital conversion circuit 7 is connected with the storage / count control circuit 8 and the CPU processing unit 5 respectively, and the st...

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Abstract

The invention discloses a precision detection device and method for multi-core cable terminal crimping quality. The device comprises a detection speed control circuit; the detection speed control circuit is connected with a detection timing sequence control circuit; the detection timing sequence control circuit is connected with an open circuit and dislocation detection circuit; the open circuit and dislocation detection circuit is connected with a failure judgment and warning circuit; the detection timing sequence control circuit is also connected with a sampling, comparison and amplifying circuit; the sampling, comparison and amplifying circuit is connected with an A / D conversion circuit; the A / D conversion circuit is connected with both a storage / counting control circuit and a CPU; the storage / counting control circuit is connected with both the CPU and a liquid crystal display module; the CPU is connected with the liquid crystal display module. The precision detection device and method for multi-core cable terminal crimping quality has the advantage that failures, such as open circuit, dislocation and excessive crimping resistance, occurring after terminal crimping of multi-core cables having more than eight cores can be detected and judged precisely and automatically.

Description

technical field [0001] The invention relates to a precision detection device and detection method for crimping quality of a multi-core cable terminal. Background technique [0002] At present, the crimping quality of existing domestic cable terminals is mainly controlled according to the pressure of the crimping joint, and the crimping quality of the terminal is judged by testing the pressure. For the crimping quality inspection of high-current power cable terminals, optical imaging technology is used to analyze the cross-sectional images of crimped terminals and wire joints for manual analysis and judgment. These quality testing methods are suitable for testing the crimping quality of cable terminals with 1 to 4 core diameters. However, for the detection of crimping quality of digital communication cable terminals with 8 to 128 cores, the efficiency of using pressure detection and cross-sectional image detection is very low, and because the wire diameter of digital communi...

Claims

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Application Information

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IPC IPC(8): G01R31/02G01R27/02
Inventor 鲁凤莲丛迎九吴希杰王亚盛
Owner WEIHAI VOCATIONAL COLLEGE
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