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Power source energy taking circuit based on high-voltage power transmission line

A high-voltage transmission line and circuit technology, which is applied in the direction of emergency protection circuit devices, circuit devices, and power storage systems for limiting overcurrent/overvoltage, and can solve the problems of unsuitable power sources, lack of long-term maintenance-free capabilities, and climate conditions. Large impact and other problems, to achieve the effect of simple wiring, small ripple, no maintenance

Active Publication Date: 2015-01-28
STATE GRID CORP OF CHINA +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] With the development of technology, there are more and more electrical equipment working on high-voltage transmission lines, such as power line online detection devices, line equipment anti-theft devices, line patrol robots, live working robots, high-voltage line pollution online monitoring, etc., due to most The transmission line is located in a remote place, and it is difficult to solve the power supply problem by conventional methods. Therefore, the power supply of these devices is generally powered by solar energy, but this method is greatly affected by climate conditions and lacks long-term maintenance-free capabilities.
In addition, laser power supply is also used in electronic current transformers and active optical current transformers, but such power supplies are not suitable for field work

Method used

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  • Power source energy taking circuit based on high-voltage power transmission line
  • Power source energy taking circuit based on high-voltage power transmission line
  • Power source energy taking circuit based on high-voltage power transmission line

Examples

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Embodiment 1

[0032] Such as Figure 1-4 As shown, the invention of this example is a power supply energy-taking circuit based on a high-voltage transmission line. The circuit includes its main circuit; the main circuit is connected to an energy storage capacitor and a power chip; the main circuit includes a rectification and filtering module.

[0033] The rectification and filtering module includes a rectification bridge; the input end of the rectification bridge is provided with magnetic beads; the output end of the rectification bridge is antiparallel with a voltage stabilizing diode TVS333 and a resistor R226.

[0034] The energy storage capacitor is connected in parallel with the field effect transistor; the energy storage capacitor includes parallel capacitors C24, C25 and C25-2; after the three capacitors in parallel, a resistor R81 and an inductor L3 are connected in series; in the energy storage module The input terminal is connected in parallel with the rectifier bridge through a ...

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Abstract

The invention relates to a power source energy taking circuit based on a high-voltage power transmission line. The circuit comprises a main circuit body, and the main circuit body is connected with an energy-storage capacitor and a power source chip and comprises rectification and filtration modules. The circuit can normally and reliably work under the two different working conditions of current energy taking and voltage energy taking and provide stable direct-current working voltage for a control circuit. Voltage energy taking and current energy taking can work separately and individually, and two parts of the circuit are connected to an energy-storage circuit and a filtration circuit in the rear through diodes respectively.

Description

Technical field: [0001] The invention relates to a power supply energy harvesting circuit, and more particularly relates to a power supply energy harvesting circuit based on a high-voltage transmission line. Background technique: [0002] With the rapid development of the national economy, all walks of life have an increasing demand for power, and the requirements for power quality (stability, uninterruptibility, etc.) are also getting higher and higher, so that the safety and stability of high-voltage transmission lines It is particularly important, so it is very necessary to realize online real-time monitoring on high-voltage transmission lines to ensure the normal, safe and stable operation of high-voltage transmission lines, which is also an urgent requirement for the development of smart grids. [0003] With the development of technology, there are more and more electrical equipment working on high-voltage transmission lines, such as power line online detection devices,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J17/00H02H9/02H02H9/04H02J15/00H02M3/06H02J5/00
CPCH02J5/005H02M1/14
Inventor 王子云卜宪德赵刚
Owner STATE GRID CORP OF CHINA
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