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cable calibrator

A technology of calibrator and cable, which is applied in the direction of instruments, measuring electricity, measuring electrical variables, etc., can solve the problems of high cost and complicated hardware circuit, achieve the effect of low circuit cost, simple circuit structure, and reduce human error

Active Publication Date: 2016-12-28
CHNA ENERGY INVESTMENT CORP LTD +2
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0005] The present invention aims to provide a cable calibration device to solve the problems of complex hardware circuits and high cost of automatic calibration instruments in the prior art

Method used

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Embodiment Construction

[0025] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0026] An embodiment of the present invention provides a cable aligner, figure 1 is a schematic diagram of a cable calibrator according to an embodiment of the present invention, such as figure 1 As shown, the cable calibrator includes two parts, which are respectively arranged at the two ends of the cable 20 to be tested during operation, one part is a signal generating device 10 for sending test signals, and the other part is a signal receiving device 30 for The wire cores of the cable 20 to be tested are distinguished by receiving the above test signal.

[0027] The signal generating device 10 includes: a pulse generator 11, at least one signal counter 12, a plurality of signal output comp...

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Abstract

The invention provides a cable checker, which comprises a signal generation device and a signal receiving device, wherein the signal generation device comprises a pulse generation device, a signal counter, a plurality of signal output elements, wherein the pulse generation device comprises a pulse output end which is used for outputting pulse at a fixed interval; the signal counter comprises a clock input end and a plurality of coding input ends; the clock input end is connected with the pulse input end; the plurality of coding input ends output testing signals in sequence according to the time sequence of the pulse; the plurality of signal output elements are used for connecting one end of a cable to be tested; and each signal output element is connected with one coding output end. The signal receiving device comprises a plurality of signal input elements and a plurality of input signal indicators, wherein the plurality of signal input elements are used for connecting the second end of the cable to be tested; and each input signal indicator is connected with one signal input element and is used for outputting a corresponding indicator signal when receiving a testing signal. By using the technical scheme of the invention, the circuit structure is simple and the operation process is simple and convenient, accurate and intuitive.

Description

technical field [0001] The invention relates to the field of electrical measurement, in particular to a cable calibrator. Background technique [0002] In the process of electric power construction, a large number of cables need to be used. However, after the cables are laid, the alignment of the cables is a very important process. At present, the following tools are generally used for cable alignment: telephone, walkie-talkie, multimeter, etc. When aligning, two or more people must cooperate, and the consistent signal of aligning must be agreed in advance, and one party must coordinate with the other. A commonly used method is that one person short-circuits the wire cores at one end of the cable, and the other person uses a multimeter to measure the wire cores one by one at the other end of the cable. During the measurement process, communication tools such as telephones are used to communicate in real time. When determining the current measured cable , set the same flag. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/02
Inventor 陈侯健
Owner CHNA ENERGY INVESTMENT CORP LTD
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