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Overvoltage protection device and method

A protection device and voltage protection technology, applied in the direction of emergency protection circuit device, emergency protection circuit device, circuit device for limiting overcurrent/overvoltage, etc., can solve the problem that the thyristor circuit protector cannot maintain the clamping voltage, Clamping circuit protectors cannot effectively protect and other problems, and achieve the effect of low clamping voltage and low leakage current

Inactive Publication Date: 2015-07-15
杜尧生
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Benefits of technology

This patented technology uses two different types of devices: one works with both type of electrical component (switch mode power supply) while another tries to solve this issue by combining them together into a single unit called a composite device. It achieves these benefits through fusion between their own structures without losing any ability to hold high voltages during normal operation.

Problems solved by technology

The problem addressed by this patented device is how to provide protection against excessively charged voltages without affecting other devices connected up through its own clamps during activation.

Method used

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  • Overvoltage protection device and method

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Embodiment Construction

[0028] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0029] 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.

[0030] It should be noted that the terms "fir...

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Abstract

The invention discloses an overvoltage protection device and method. The device comprises a switch type voltage protection component and a clamp type voltage protection component. The switch type voltage protection component is used for releasing the on-load voltage for the first time when the on-load voltage of the overvoltage protection device is larger than or equal to a first preset voltage. The clamp type voltage protection component is used for releasing remaining voltage generated after first-time release for the second time. The physical structures of the switch type voltage protection component and the clamp type voltage protection component are connected and fused, and the technical problems that in the prior art, a thyratron type circuit protection component can not maintain a certain clamp voltage, and a clamp type circuit protection component can not effectively protect a later-stage device are solved. The technical purposes of low clamp voltage and low current leakage of the overvoltage protection device are achieved.

Description

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Claims

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Application Information

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Owner 杜尧生
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