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Cable connector on-line monitoring system

A joint online monitoring system technology, applied in non-electrical signal transmission systems, signal transmission systems, measuring devices, etc., can solve the problems of poor timeliness and low safety of online monitoring systems, and achieve increased anti-interference ability, guarantee safety, The effect of flexible expansion

Inactive Publication Date: 2014-11-12
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide an online monitoring system for cable joints, which is used to solve the technical problems of poor timeliness and low safety of the online monitoring system in the prior art

Method used

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  • Cable connector on-line monitoring system
  • Cable connector on-line monitoring system
  • Cable connector on-line monitoring system

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Embodiment Construction

[0045] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0046] refer to figure 1 , is a structural schematic diagram of Embodiment 1 of an on-line monitoring system for cable joints provided by the present invention, wherein, in order to realize online monitoring of the current temperature of the cable joint 1, the system may include the following structures:

[0047] A plurality of temperature-sensing chips 2 are respectively connected to each cable joint 1 to obtain the current temperature signal of the cable joi...

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Abstract

The invention discloses a cable connector on-line monitoring system which comprises a plurality of temperature sensing chips, data acquisition units, a high voltage isolation transformer, an upper computer and a CAN bus communication controller. The temperature sensing chips are connected with cable connectors respectively and used for obtaining current temperature signals of the cable connectors; the data acquisition units are connected with the temperature sensing chips respectively and used for collecting the current temperature signals obtained by the temperature sensing chips; the high voltage isolation transformer is respectively connected with a power source and the data acquisition units, enables the output voltage of the power source to be converted and outputs the isolation voltage to supply power to the data acquisition units; the CAN bus communication controller is respectively connected with the upper computer and the data acquisition units and enables all the current temperature signals collected by the data acquisition units to be transmitted to the upper computer.

Description

technical field [0001] The invention relates to the technical field of electric power facilities, in particular to an online monitoring system for cable joints. Background technique [0002] With the increase of power consumption, due to the poor crimping process of power cable joints or long-term overload operation, the insulation will age and the contact resistance will increase. Cable fire accidents seriously affect safe production, causing economic losses and adverse social impacts. Therefore, the temperature monitoring system of the cable joint is usually used to realize real-time monitoring of the temperature of the cable joint, so as to ensure that the staff will be alerted when the temperature of the cable joint exceeds the warning value, so as to ensure early warning of the cable joint and ensure safe production. [0003] The existing cable joint online monitoring system uses the temperature sensor installed on the cable joint to obtain the current temperature of t...

Claims

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Application Information

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IPC IPC(8): G01K1/02G08C23/06G01K1/024
Inventor 贺伟军林巨军虞伟王立军姜才军戴浩斌
Owner STATE GRID CORP OF CHINA
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