High-voltage power-taking and power-supply system based on wireless electricity transmission technology

Abstract

The invention discloses a high-voltage power-taking and power-supply system based on a wireless electricity transmission technology. The high-voltage power-taking and power-supply system comprises a high-voltage line direct power-taking device, a high-power power frequency inverter system, a converting circuit, a wireless electricity transmission energy transmitting system, an energy receiving system and a load system, wherein the high-voltage line direct power-taking device is used for obtaining initial electricity of the system, the high-power power frequency inverter system is used for inverting the initial electricity into a power frequency alternating current, the converting circuit is used for converting the power frequency alternating current into an input voltage required by the wireless electricity transmission energy transmitting system, the wireless electricity transmission energy transmitting system is used for generating a high-frequency electromagnetism energy field, the energy receiving system is used for receiving the high-frequency electromagnetism energy field generated by the wireless electricity transmission energy transmitting system and converting the high-frequency electromagnetism energy field into high-frequency electricity, and the load system is used for receiving the high-frequency electricity, being matched with the electricity and supplying the electricity to loads. According to the high-voltage power-taking and power-supply system based on the wireless electricity transmission technology, the electricity can be directly taken from a high-voltage line and be supplied to on-line monitoring devices in a long-distance, high-reliability, high-insulation and continuous mode, the requirements of the devices for continuous power supply are met, the problem of insulation in high-voltage power supply is solved, and the high-voltage power-taking and power-supply system based on the wireless electricity transmission technology is convenient to install, stable and reliable in power supply and free of influences by changes of external environment.

Description

technical field [0001] The invention discloses a wireless power transmission engineering application system, in particular to a high-voltage power taking and power supply system based on the wireless power transmission technology. Background technique [0002] The power supply problem of online temperature monitoring devices on high-voltage lines, inspection robots, video cameras and other testing equipment has become one of the important problems to be solved in the online monitoring of high-voltage lines. However, due to the short power supply period of the battery and the large number of high-voltage line nodes, it is inconvenient to replace, time-consuming, labor-intensive and expensive, and it is increasingly unfavorable in the existing high-voltage monitoring equipment power supply scheme. [0003] There are also a small number of more advanced high-voltage monitoring equipment power supply methods that use high-voltage transmission wires to directly supply power, and ...

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Problems solved by technology

[0004] However, there is a serious problem in this solution, that is, the use of optical fiber as the transmission medium is easy to break, installation and connection require very fine workmanship, and it cannot withstand severe environmental tests such as strong winds, ice and snow, and lacks safety and stability in practical applications. and reliability

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