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Overvoltage protector

A protector and overvoltage technology, applied in the field of electric power, can solve problems such as effective protection of protected equipment or circuits, high clamping voltage and inability to achieve the effects of avoiding damage and reducing leakage current

Inactive Publication Date: 2016-08-24
合肥仁德电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] For the problem that the clamping voltage provided by the overvoltage protector in the prior art is too high to provide effective protection for the protected equipment or circuit, no effective solution has been proposed so far. Therefore, the main purpose of the present invention is to provide An overvoltage protector to solve the above problems

Method used

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Embodiment Construction

[0023] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0024] It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate ...

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Abstract

The invention discloses an overvoltage protector. The protector comprises a semiconductor switch circuit and a trigger circuit, wherein a first end of the semiconductor switch circuit is connected with a first end of a protected device, a second end of the semiconductor switch circuit is connected with a second end of the protected device and is used for controlling opening / closing of the overvoltage protector, and the trigger circuit is connected with a control end of the semiconductor switch circuit and is used for triggering the semiconductor switch circuit. By the overvoltage protector, the problem that effective protection cannot be provided for the protected device or circuit due to excessive high clamping voltage provided by the overvoltage protector in the prior art is solved, and the effective and safe protection on the protected device is achieved.

Description

technical field [0001] The invention relates to the field of electric power, in particular to an overvoltage protector. Background technique [0002] Now, overvoltage protectors based on varistor technology have been widely used in electrical design to protect subsequent equipment or circuits. However, the existing technology has the following problems: the minimum clamping voltage that the overvoltage protector can provide is twice the operating voltage of the protected equipment, and the protected equipment often requires a lower clamping voltage, for example, 1.5 times the operating voltage times or 1.3 times, and some protected equipment even require the clamping voltage provided by the overvoltage protector not to be higher than its working voltage, which causes the overvoltage protector to be unable to effectively protect the subsequent equipment or circuit, that is, overvoltage The protective function of the protector has not been activated yet and the subsequent pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02H9/04H02H9/02H02H9/06
CPCH02H9/04H02H9/02H02H9/043H02H9/06
Inventor 李阳
Owner 合肥仁德电子科技有限公司
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