Transmission line breakage detection device

A technology of power transmission wire and detection device, which is applied in the direction of measurement device, measurement of electricity, measurement of electric variables, etc., can solve the problems of potential safety hazards, breakage, heavy workload, etc., and achieve the effects of simple and reliable device, accurate detection and low cost.
CN103513151AInactive Publication Date: 2014-01-15WUHAN UNIV
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
WUHAN UNIV
Publication Date
2014-01-15
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a transmission line breakage detection device. The transmission line breakage detection device comprises a base, a hollow guide tube, a conical probe, a spring, a cylindrical probe, a sensor and a controller. The transmission line breakage detection device is arranged on a walking arm of an inspection robot, makes contact with a guide line through the probes, senses the external waviness of the guide line, converts the displacement of the conical probe into voltage signals through the sensor and conducts analysis according to a voltage-time image, and whether the guide line breakage occurs or not can be judged by observing whether the frequency of the inspected image is consistent with the amplitude of the inspected image or not. Compared with the prior art, the transmission line breakage detection device has the advantages that negligence of manual routing inspection and negligence of routing inspection of a visible light camera of the inspection robot are avoided, the defect that the visible light camera has to prevent the robot from scanning details of the guide line is overcome, and the transmission line breakage detection device is simple, reliable, low in cost and accurate in detection and can not interfere with normal operation of the inspection robot when used as an additional device of the inspection robot.
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Description

technical field

[0001] The invention belongs to the field of circuit equipment, and relates to a detection device, in particular to a detection device for broken strands of a transmission wire.

[0002] Background technique

[0003] The safe operation of the power industry is related to the lifeline of my country's national economy and is also closely related to people's livelihood. Ensuring the stable and reliable operation of transmission lines is the pursuit of various power industry departments. my country's power transmission lines are usually stranded wire structures. Because the lines are exposed to the outdoors, wind and sun, rain and lightning, strong winds and ice, and some other factors, the wires covered by the surface are prone to strand breakage. After the strands of the line are broken, due to the smaller cross-section, the current-carrying temperature of the remaining strands will increase, and the increase in temperature will further soften the strands. Wh...

Claims

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