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Anti-surge circuit

An anti-surge and circuit technology, applied in the direction of electrical components, output power conversion devices, etc., can solve the problems of low output power, heavy weight, poor suppression effect, etc., to overcome heavy weight, high output power, and good effect Effect

Inactive Publication Date: 2013-12-25
TECH-POWER ELECTRONICS (SHENZHEN) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to propose an anti-surge circuit, which can solve the problems of heavy weight, large volume, low output power, difficult circuit integration, poor suppression effect and poor stability.

Method used

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  • Anti-surge circuit

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Embodiment Construction

[0017] In the following, the present invention will be further described in conjunction with the drawings and specific embodiments.

[0018] Such as figure 1 As shown, an anti-surge circuit, which includes a voltage input terminal V1, a voltage output terminal V0, a ​​resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a capacitor C1, a capacitor C2, a capacitor C3, and a voltage regulator tube ZD1 , Zener tube ZD2, triode Q1, field effect tube Q2 and thermistor RT1.

[0019] One end of the resistor R1, one end of the resistor R3 and one end of the capacitor C2 are all connected to the positive pole of the voltage input terminal V1; the cathode of the voltage regulator tube ZD1, one end of the resistor R2, the other end of the resistor R3, one end of the capacitor C1, and the triode Q1 The collector of the collector and the gate of the field effect transistor Q2 are connected to the other end of the resistor R1; the negative pole of the voltage input term...

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PUM

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Abstract

The invention relates to an anti-surge circuit which comprises a voltage input end, a voltage output end, a resistor r1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a capacitor C1, a capacitor C2, a capacitor C3, a voltage stabilizing tube ZD1, a voltage stabilizing tube ZD2, a triode Q1, a field effect tube Q2 and a thermal resistor RT1. The anti-surge circuit disclosed by the invention has the advantages of small size, high output power and good inhibition effect on direct current transient spike voltage and voltage surge.

Description

[0001] technical field [0002] The present invention relates to anti-surge circuits. [0003] Background technique [0004] AC / DC power converters have the advantages of small size, light weight, and high conversion efficiency, and are widely used in various fields from industry to civil use. At the same time, DC / DC converters that convert fixed DC voltages into variable DC voltages have also been widely used in various technical fields. Today, AC / DC converters and DC / DC converters have become one of the indispensable circuits in electrical equipment, so in the process of using AC / DC and DC / DC converters, surge suppression and anti-surge Function is especially important, which is convenient to protect the reliability and stability of the product. However, most current anti-surge circuits have problems of varying degrees, such as: heavy weight, large volume, low output power, difficult circuit integration, suppression effect Poor, poor stability, etc. [0005] Contents...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M1/14
Inventor 王少沛范继光
Owner TECH-POWER ELECTRONICS (SHENZHEN) CO LTD