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High-frequency high-voltage power supply structure

A high-frequency high-voltage power supply, high-frequency high-voltage technology, applied to electrical components, output power conversion devices, and conversion equipment with intermediate conversion to AC, etc., can solve the problems of less high power density and fewer assembly methods

Inactive Publication Date: 2011-10-19
INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

Domestic research on high-power-density, high-frequency, high-voltage power supplies and their assembly methods started relatively late. Among the many research literature on high-frequency, high-voltage charging power supplies, more studies are conducted on the voltage and current characteristics of high-frequency, high-voltage charging power supplies, and less There are studies aimed at improving its high power density, but less about how it is assembled

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  • High-frequency high-voltage power supply structure
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Embodiment Construction

[0014] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0015] Such as figure 1 Shown is the assembly structure of the high-frequency high-voltage capacitor constant-current charging power supply based on the series resonant circuit of the present invention, which mainly aims at the heat dissipation and high-voltage insulation problems of the main circuit, and the electromagnetic compatibility problem of the control circuit. power density. Mainly for the main components in the main circuit: the inverter circuit, the high-frequency high-voltage transformer, the high-frequency high-voltage rectifier circuit, and the heating problem of the resonant inductor, the heat dissipation structure optimization design is carried out; the structure optimization design is carried out for the electromagnetic compatibility of the control circuit; for the high-voltage circuit part : The insulation structure and heat...

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Abstract

The invention discloses a high-frequency high-voltage power supply structure. A cabinet has two layers; the first layer comprises an inverter unit and a driving circuit thereof; the second layer comprises a resonant capacitor, a resonant inductor, a high-frequency high-voltage transformer, a high-frequency high-voltage rectifier circuit and a voltage measurement circuit; the first layer and the second layer are arranged in the power supply cabinet in parallel; and a control circuit is vertically arranged on the left of the first layer and the second layer, and has a 90-DEG inverted n shape. The inverter unit is directly connected with an aluminum plate radiator; one end of the aluminum plate radiator is fixed on the power supply cabinet via a bolt, and the other end of the aluminum plate radiator is fixed on an aluminum shield plate via a bolt; and the bottom end of the aluminum shield plate is connected with a base plate of the power supply cabinet.

Description

technical field [0001] The invention relates to an arrangement structure of components inside a power supply box which can increase the power density of a high-frequency high-voltage power supply. Background technique [0002] High-frequency high-voltage power supply is a device that converts low-voltage alternating current or direct current into high-voltage direct current and then charges the pulse capacitor. Usually, a power supply with a frequency ≥ 20kHZ and a voltage of thousands of volts is called a high-frequency high-voltage power supply. At present, the high-frequency high-voltage capacitor charging power supply is widely used in the fields of electromagnetic emission, high-power laser, high-power microwave, accelerator and other pulse power, as well as in medical and industrial fields. In medical fields such as X-ray machines, pulsed laser sources in industrial fields such as cutting and welding have certain requirements on the portability of high-frequency and hi...

Claims

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Application Information

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IPC IPC(8): H02M1/00H02M3/28
Inventor 高迎慧史孝侠严萍
Owner INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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