Cable joint surface layer and wire core temperature monitoring method and system
A technology of cable joints and cables, which is applied to thermometers, applications of thermometers, and parts of thermometers, etc. It can solve problems such as easy breakage of temperature-sensing optical fibers, high cost of optical fiber temperature measurement systems, and high prices of optical fiber temperature measurement hosts.
Inactive Publication Date: 2020-02-21
STATE GRID HUNAN ELECTRIC POWER +2
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Problems solved by technology
However, the price of the fiber optic temperature measurement host is very high, which leads to a high overall cost of the fiber optic temperature measurement system, and the embedded temperature sensing fiber has defects such as easy breakage
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[0030] The following is a detailed description of the embodiments of the present invention. This embodiment is carried out based on the technical solution of the present invention, and provides detailed implementation methods and specific operation processes to further explain the technical solution of the present invention.
[0031] Embodiments of the present invention provide a method and system for monitoring the surface layer and core temperature of a cable joint, wherein the monitoring system includes a cable joint temperature collection terminal, a relay gateway, a cloud server, a client, and a power supply system; figure 1 As shown, the cable joint temperature collection terminal and the relay gateway are connected through the LoRa wireless network, the relay gateway and the cloud server are connected through the 4G wireless network, the cloud server and the client are connected through the 4G wireless network, the power supply system and the cable joint temperature The ...
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The invention discloses a cable joint surface layer and wire core temperature monitoring method and system. The method comprises the steps that a cable joint temperature acquisition terminal acquirestemperature data of a cable joint surface layer and a cable joint operation environment in real time and sends the temperature data to a relay gateway; the relay gateway sends the received temperaturedata to a cloud server through a wireless network; the cloud server calculates the temperature of the cable core according to the received temperature data of the cable joint surface layer and the cable joint operation environment, and stores the calculated temperature data of the cable core and the received temperature data of the cable joint surface layer and the cable joint operating environment in a cloud server database; and the cloud server sends the data stored in the cloud server database to a client when receiving an access request of the client. According to the method of the invention, the wire core temperature of the cable is calculated through real-time acquisition of the surface layer and operation environment temperature of the cable joint and a fitting step, and the problems of high cable wire core temperature monitoring cost and easy optical fiber breakage at present can be solved.
Description
technical field [0001] The invention belongs to the technical field of status monitoring of power transmission and distribution lines, in particular to a method and system for monitoring the surface layer and core temperature of a cable joint. Background technique [0002] As one of the key equipment for energy transmission in the power system, the cable's operating temperature is an important parameter reflecting the operating state of the system, and the cable joint, as the weakest link in the system, is the hardest hit area for line faults. The main reason is that as the running time of the line increases, the cable joints are more likely to heat up, thereby accelerating the oxidation of the cable, causing the contact resistance to increase and the temperature to rise, eventually forming a vicious circle and causing transmission line failure. Therefore, grasping the operating temperature status of the surface layer of the cable joint and the core in real time can detect p...
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Login to View More IPC IPC(8): G01K13/00G01K1/02G01K1/024
CPCG01K13/00G01K1/024
Inventor 万代齐飞周恒逸赵邈段绪金彭思敏由凯彭涛
Owner STATE GRID HUNAN ELECTRIC POWER