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Multi-core cable detector

A multi-core cable and detector technology, which is applied in the directions of instruments, measuring electricity, measuring devices, etc., can solve the problems of unclear identification of multi-core cables, difficult system connection, no line number, etc. Convenient, check fast and accurate results

Inactive Publication Date: 2012-02-22
陈清尧
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, with the rapid development of electronic technology, the use of multi-core cables is becoming more and more common, such as automatic control devices, communication engineering, network connections, etc. Not clear, difficult to identify, and some even have no line number, so it brings certain difficulties to the system connection. How to quickly, accurately and conveniently detect its on-off and identify its line number, the multi-core cable detector of the present invention changes the traditional multimeter Detection method

Method used

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Embodiment Construction

[0007] as attached figure 1 As shown, the multi-core cable detector is powered by a 9V laminated dry battery. When the power switch S1 is turned on, the entire circuit is powered, the power indicator LED2 lights up, and the oscillating integrated circuit chip U1 (NE555) starts to oscillate. The working state is multivibrator, the oscillating integrated circuit chip U1 pin 3 outputs a rectangular pulse square wave with a duty cycle of 50%, the indicator LED1 starts to flash and light, and the pulse is input to the counting integrated circuit chip U2 (CD4017) pin 15, At this time, the counting integrated circuit chip U2 (CD4017) starts counting, and the high level is sequentially output from pin 3 to pin 10 of the counting integrated circuit chip U2 (CD4017), and is sent to pin 3 to pin 8 of the P1 port through resistors R5 to R12 ; Connect multi-core cables between ports P1 and P2. If each line of the multi-core cable is turned on, the light-emitting diodes LED3-LED10 will lig...

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Abstract

The invention discloses a multi-core cable detector, which is composed of an oscillation circuit, a counting circuit, multi-core cable detection terminals, a detection indication lamp and a power supply circuit. The detector is capable of detecting on and off of a clustering lead or a multi-core cable and is capable of carrying out collation on wire sizes of two ends of the clustering lead or the multi-core cable. According to the invention, the detector has advantages of small volume, light weight, simple operation, convenient usage, rapid and accurate inspection and low power consumption and the like; and the detector is applicable to a wide variety of fields such as an automatic control device, communication engineering, a network, an electrical instrument and the like.

Description

technical field [0001] The invention relates to an electronic device, in particular to a multi-core cable detector. Background technique [0002] At present, with the rapid development of electronic technology, the use of multi-core cables is becoming more and more common, such as automatic control devices, communication engineering, network connections, etc. Not clear, difficult to identify, and some even have no line number, so it brings certain difficulties to the system connection. How to quickly, accurately and conveniently detect its on-off and identify its line number, the multi-core cable detector of the present invention changes the traditional multimeter detection method. Contents of the invention [0003] In order to achieve the purpose of the above invention, the technical solution adopted is: including an oscillation circuit, a counting circuit, a multi-core cable detection terminal (P1, P2), a detection indicator light and a power supply circuit; the oscilla...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/02
Inventor 陈清尧
Owner 陈清尧
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