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Energy collecting and voltage stabilizing power supply circuit based on taking electricity by using high-voltage power wires

A stabilized power supply circuit and energy harvesting technology, which is applied in the direction of circuit devices, electrical components, electromagnetic wave systems, etc., can solve the problems of small electric energy of the power-taking coil, power supply of cable accessories, etc., and achieve extended life, good versatility, and device structure. and the simple effect of the method

Inactive Publication Date: 2014-07-23
HANGZHOU HENGSHENG ELECTRONICS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the CT (current transformer) method itself has a power supply dead zone, that is, when the current flowing on the cable is small, the power obtained by the power coil is small, which is not enough to supply power to the cable accessories

Method used

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  • Energy collecting and voltage stabilizing power supply circuit based on taking electricity by using high-voltage power wires
  • Energy collecting and voltage stabilizing power supply circuit based on taking electricity by using high-voltage power wires
  • Energy collecting and voltage stabilizing power supply circuit based on taking electricity by using high-voltage power wires

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Embodiment Construction

[0010] combine figure 1 When the current of the high-voltage bus bar is insufficient, the present invention stores the collected energy when the energy provided by the power-taking coil is not enough to continuously supply power to the auxiliary electrical equipment. When the energy accumulates to a certain value, (the storage module of the energy storage module Capacitor voltage can reach U H ) to supply power to the load. The original power supply method is continuous power supply. When the current in the high-voltage cable is greater than 8A, the load can work normally. The current working method is intermittent power supply, which stores and accumulates the energy of small currents and then supplies power to the load, so it can increase the power supply. The input range reduces the power supply dead zone. The present invention is based on a high-voltage power line energy acquisition stabilized power supply circuit, including a power coil T1, a voltage pump module, an ene...

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Abstract

The invention discloses an energy collecting and voltage stabilizing power supply circuit based on taking electricity by using high-voltage power wires. The energy collecting and voltage stabilizing power supply circuit comprises an electricity taking coil, a voltage pump module, an energy storage module, a voltage sampling unit, a reference voltage module, a hysteresis comparison module, an electronic switch and a regulator module. The electricity taking coil is sleeved on a high-voltage cable, the output end of the electricity taking coil is connected with the voltage pump module, the voltage pump module is connected with the input end of the energy storage module, and the output end of the energy storage module is connected with the voltage sampling unit, the reference voltage module, the hysteresis comparison module, the electronic switch and the regulator module respectively; and the regulator is connected with a load. The energy collecting and voltage stabilizing power supply circuit has the advantages of simple structure, simple method reliability, little volume and light weight and can meet the safety specification of high-voltage wires.

Description

technical field [0001] The invention belongs to energy collection technology, in particular to an energy collection stabilized voltage power supply circuit. Background technique [0002] In the field of power equipment monitoring, especially the status monitoring of high-voltage cables, how to supply power to high-voltage cable accessories has always been a difficult problem. At present, a better method is to directly use the current flowing on the cable to obtain electric energy through the transformer to supply external equipment. However, the CT (current transformer) method itself has a power supply dead zone, that is, when the current flowing on the cable is small, the power obtained by the power coil is small, which is not enough to supply power to the cable accessories. Solving this problem has always been a technical problem. Contents of the invention [0003] The purpose of the present invention is to provide an energy harvesting stabilized power supply circuit b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J17/00H02J50/10
Inventor 陈宝林叶永强高旭东
Owner HANGZHOU HENGSHENG ELECTRONICS TECH
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