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A circuit for eliminating voltage surge

A voltage surge and circuit technology, which is applied in the field of circuit voltage surge elimination, can solve problems such as abnormal load function and unstable load power supply, and achieve the effects of stable circuit function, guaranteed integrity, and reduced claims

Active Publication Date: 2019-06-04
HUIZHOU DESAY SV AUTOMOTIVE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides a circuit for eliminating voltage surges, which solves the technical problems of unstable load power supply and abnormal load function due to the inability to directly eliminate voltage surges

Method used

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  • A circuit for eliminating voltage surge
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  • A circuit for eliminating voltage surge

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Embodiment Construction

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.

[0030] see figure 1 , is a schematic structural diagram of a circuit for eliminating voltage surges provided by the present invention. It mainly includes: a power supply module 10, which is used to convert the fixed voltage input from the fixed voltage input terminal 101 into a variable voltage, and the variable voltage is output from the first converted voltage output terminal 102 and the second converted voltage output terminal 103;

[0031] The power conversion module 20 is provided with a first voltage input terminal 201 connected to the first transformed voltage output terminal 102, for adjusting the variable voltage to a stable voltage, and the stable voltage is output from the first voltage output terminal 202; a bypass capacitor terminal 203 and an enabling terminal 2...

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Abstract

The invention provides a circuit for eliminating voltage surges in the technical field of circuit voltage surge elimination, including: a power supply module, a power conversion module, and a main chip control module; module; the single-chip microcomputer control module is used to control the turn-on and turn-off of the enable conduction control module and the time of turn-on and turn-off. Implementing the technical solution provided by the present invention, the voltage surge output by the main chip control module can be eliminated by adding a single-chip microcomputer control module and an enabling conduction control module to the periphery of the power conversion module, thereby providing clean power to the load module. The stable voltage ensures the integrity of the signal, makes the circuit function more stable, improves product quality and stability, and reduces the defective rate of product production.

Description

technical field [0001] The invention relates to the technical field of circuit voltage surge elimination, in particular to a circuit for eliminating voltage surges. Background technique [0002] Nowadays, there are more and more electronic products, and the technology is becoming more and more mature, but there are many problems that are not easy to be found during the development process. Sometimes a voltage pulse, a voltage overshoot, or a voltage surge will cause the power supply at the load end to be unstable. And the signal is not clean, and finally the signal integrity is poor, and the function is unstable, causing customers to complain. [0003] For example, in a general circuit that supplies power to loads, there is a power supply module that supplies power to some components of the circuit and all loads; a power conversion module that converts the power supply into a stable voltage required by the load module; A main chip control module, which is used to give the p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02M1/32
CPCH02M1/00H02M1/0038
Inventor 伍良浩
Owner HUIZHOU DESAY SV AUTOMOTIVE