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Device and method for quickly detecting connectivity of multi-core cable and quick detection method

A multi-core cable and connectivity technology, which is applied in the direction of measuring devices, continuity testing, and electrical measurement, can solve the problems of long time consumption and low efficiency of multi-core cables, and achieve shortened connectivity time, small size, portable, and improved The effect of detection efficiency

Pending Publication Date: 2021-03-26
西安精密机械研究所
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  • Abstract
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  • Claims
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Problems solved by technology

[0003] The purpose of the present invention is to solve the problems of long time-consuming and low efficiency of the existing multi-core cable connectivity detection, and provide a device and method and a fast detection method that are helpful for the rapid detection of multi-core cable connectivity

Method used

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  • Device and method for quickly detecting connectivity of multi-core cable and quick detection method
  • Device and method for quickly detecting connectivity of multi-core cable and quick detection method
  • Device and method for quickly detecting connectivity of multi-core cable and quick detection method

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Embodiment Construction

[0043] The content of the present invention is described in further detail below in conjunction with the accompanying drawings and specific embodiments:

[0044] like figure 1 As shown, a device for quickly detecting the continuity of a multi-core cable is used to screen out the core wire with the largest on-resistance in the multi-core cable to be tested, which includes a power circuit, a light-emitting unit and a buzzer 14 .

[0045] The power supply circuit includes a DC constant voltage power supply 11 , a switch 12 and an adjustable resistance R X 13.

[0046] The light-emitting unit includes five light-emitting diodes (respectively, a first light-emitting diode 6, a second light-emitting diode 7, a third light-emitting diode 8, a fourth light-emitting diode 9, and a fifth light-emitting diode 10).

[0047] The multi-core cable to be tested contains 5 core wires (the resistance of which is simulated as the first core wire resistance 1, the second core wire resistance 2,...

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Abstract

The invention provides a device and a method beneficial to rapid detection of connectivity of a multi-core cable, and a rapid detection method, and solves the problems of long time consumption and lowefficiency of existing multi-core cable connectivity detection. The device comprises a power supply circuit and a light-emitting unit, wherein the power supply circuit is used for screening out a maximum on-resistance core wire in a to-be-detected multi-core cable; an adjustable resistor RX is arranged in the power supply circuit; the light-emitting unit comprises a plurality of light-emitting diodes; after each core wire in the multi-core cable to be tested is connected in series with the light emitting diodes of the light emitting units in a one-to-one correspondence manner, the whole is connected to two ends of the power supply circuit; the power supply circuit provides working voltage for the light-emitting diode, and the on-off conversion of the light-emitting diode is realized by adjusting the adjustable resistor RX. After the core wire with the maximum on-resistance is screened out through the device, the on-resistance of the core wire is measured and compared with a work required value, and therefore whether the connectivity of the multi-core cable is qualified or not is judged.

Description

technical field [0001] The invention belongs to the technical field of electrical measurement, and in particular relates to a device and a method for rapid detection of the connectivity of a multi-core cable and a rapid detection method. Background technique [0002] The continuity test standard of the cable is the on-resistance. For the continuity test of the multi-core cable, it is necessary to measure the on-resistance of each core wire. In the prior art, professional measurement tools (such as a multimeter, a low-resistance meter, etc.) are usually used to measure and record the on-resistance of each core wire one by one. For multi-core cables, the time required for the continuity test is proportional to the number of cores. The more cores, the longer the time and the lower the measurement efficiency. SUMMARY OF THE INVENTION [0003] The purpose of the present invention is to solve the problems of long time and low efficiency in the existing multi-core cable connecti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/58G01R31/54G01R27/08
CPCG01R31/58G01R31/54G01R27/08
Inventor 刘培培雷云龙严海刘景云郑直飞
Owner 西安精密机械研究所
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