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Single-live-wire electricity taking circuit

A single fire wire and circuit technology, which is applied in battery circuit devices, circuit devices, emergency protection circuit devices, etc., can solve problems such as lamp flickering

Pending Publication Date: 2021-11-19
HEBEI GONGDA KEYA ENERGY TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] How to solve the technical problem that lamps and lanterns are prone to flicker in the application of single live wire power-taking circuit

Method used

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Embodiment Construction

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way serves as any limitation of the application, its application or uses. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0022] In the following description, a lot of specific details are set forth in order to fully understand the application, but the application can also be implemented in other ways different from those described here, and those skilled in the art can do without violating the connotation of the application. ...

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Abstract

The invention discloses a single-live-wire electricity taking circuit, which relates to the technical field of switch equipment. The single-live-wire electricity taking circuit comprises a light-off electricity taking circuit, a light-on electricity taking circuit, a constant-current charging circuit and a power-off electric quantity holding circuit. The constant-current charging circuit comprises a first power supply voltage stabilizer, a second power supply voltage stabilizer, a light-on and light-off switching constant-current charging circuit and a light-on constant-current charging circuit. The output end of the light-off electricity taking circuit, the input end of the first power supply voltage stabilizer and the control end of the light-on and light-off switching constant-current charging circuit are connected, and the output end of the first power supply voltage stabilizer is electrically connected with the input end of the second power supply voltage stabilizer and the input end of the light-on constant-current charging circuit. The output end of the second power supply voltage stabilizer, the output end of the light-on constant-current charging circuit and the input end of the power-off electric quantity holding circuit are electrically connected; by means of the light-off electricity taking circuit, the light-on electricity taking circuit, the constant-current charging circuit, the power-off electric quantity holding circuit and the like, a lamp is not prone to flicker in the application of the single-live-wire electricity taking circuit.

Description

technical field [0001] The invention relates to the technical field of switchgear, in particular to a single live wire power-taking circuit. Background technique [0002] At present, the smart switch based on the single live wire technology has matured and improved a lot compared to many years ago, but there are still some problems. [0003] The compatibility with lamp loads is low, and low-power lamps are prone to flicker. [0004] When the light is turned on, the self-heating is relatively large. [0005] The power supply efficiency is low, or there is insufficient power supply, which cannot effectively cope with the sudden demand for large current of the NB-IoT network. [0006] Existing technical problems and thinking: [0007] How to solve the technical problem that lamps are prone to flicker in the application of single live wire power-taking circuit. Contents of the invention [0008] The technical problem to be solved by the present invention is to provide a si...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02H9/04H02J7/00H02J7/34H02J9/06H02M3/156H05B47/10
CPCH02J7/007H02J9/06H02H9/045H02M3/156H02J7/345H05B47/10H02J2207/50Y02B70/30Y04S20/20
Inventor 张磊刘晓亚郭海娇何永来余粉英
Owner HEBEI GONGDA KEYA ENERGY TECH
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