Electric dazzling-preventing circuit and system

An anti-shake electric and circuit technology, applied in circuit devices, emergency protection circuit devices, electrical components, etc., can solve problems such as affecting the continuity of electric motors or emergency lighting power supply

Active Publication Date: 2018-09-11
TELLHOW SCI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide an anti-sway electric circuit and system, aiming to solve the problem that after the electric sway ...

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  • Electric dazzling-preventing circuit and system
  • Electric dazzling-preventing circuit and system
  • Electric dazzling-preventing circuit and system

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Embodiment Construction

[0024] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0025] figure 1 It is a structural schematic diagram of an anti-shaking electric circuit proposed in Embodiment 1 of the present invention, as figure 1 As shown, the anti-sway circuit 20 includes: a first voltage source sampling module 201 connected to the working voltage source 101 for sampling the first voltage signal output by the working voltage source 101 and outputting the first voltage sampling signal; The bus voltage source 102 is connected to sample the second voltage signal output by the bus voltage source 102, and output the second voltage source sampling module 202 of the second voltag...

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Abstract

The invention belongs to the technical field of switching and mainly provides an electric dazzling-preventing circuit and system. A working voltage source in an external circuit as well as a first voltage signal and a second voltage signal which are input by a bus bar voltage source are sampled, and a corresponding control signal is output according to a first voltage sampled signal and a second voltage sampled signal for selecting the first voltage signal or a second direct current voltage signal to supply power to an alternating current contactor, so that the electric dazzling-preventing circuit can controls the state of the alternating current contactor according to the state of the external circuit, a contactor coil and a main contact maintain closed, and power supply continuity of thecircuit is maintained, and the problems that power transmission needs to be carried out manually again after the electric dazzling phenomenon in an existing electric power system is finished and thepower supply continuity of a motor or emergency lighting is influenced are solved.

Description

technical field [0001] The invention belongs to the technical field of switching, and in particular relates to an anti-sway electric circuit and system. Background technique [0002] In the engine or emergency lighting circuit, the main circuit usually uses electromagnetic components such as AC contactors to switch and supply power to the circuit. When there is an electrical phenomenon, the short-term power loss of the AC contactor will cause the AC contactor to release to protect the circuit, so that the motor or emergency lighting device connected to the outlet circuit of the contactor will lose power. [0003] However, in the existing scheme, after the swaying phenomenon in the power system is over, it is necessary to manually re-send the power, which affects the continuity of the power supply of the motor or emergency lighting. Contents of the invention [0004] The purpose of the present invention is to provide an anti-sway electric circuit and system, aiming to solv...

Claims

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Application Information

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IPC IPC(8): H02J9/06H02H7/00H02H7/22H02J9/02
CPCH02H7/00H02H7/22H02J9/06H02J9/02
Inventor 钟厚龙李梅谈林锋方兴
Owner TELLHOW SCI TECH CO LTD
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