Shielding isolating layer of high-power, high-frequency pulse and high-voltage rectifying transformer

A technology for shielding isolation layers, high frequency pulses, applied in transformer/inductor coils/windings/connections, preventing/reducing unwanted electrical/magnetic effects, etc.

Inactive Publication Date: 2013-06-12
YANCHENG ZHENGBANG ENVIRONMENTAL PROTECTION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since there is no shielding layer between the low-voltage winding and the high-voltage winding, it is impossible to prevent the secondary high voltage from being coupled to the low-voltage winding through distributed capacitance, causing damage to the primary inverter switching circuit

Method used

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  • Shielding isolating layer of high-power, high-frequency pulse and high-voltage rectifying transformer
  • Shielding isolating layer of high-power, high-frequency pulse and high-voltage rectifying transformer
  • Shielding isolating layer of high-power, high-frequency pulse and high-voltage rectifying transformer

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Embodiment Construction

[0011] figure 1 , figure 2 and image 3 Among them, a high-power high-frequency pulse high-voltage rectifier transformer shielding isolation layer, the shielding isolation layer is a thin copper foil 1, and the surface of the thin copper foil 1 is coated with a polytetrafluoroethylene layer 2. In order to enhance the shielding effect, the peripheral cross-sectional shape of the polytetrafluoroethylene layer 2 coated on the thin copper foil 1 is a spherical structure 3 . To further enhance the shielding effect, the peripheral shape of the thin copper foil 1 is an arc structure 4 . Since the shielding isolation layer is set between the high-voltage winding and the low-voltage winding of the high-power high-frequency pulse high-voltage rectifier transformer, it can avoid the primary inverter switch caused by the secondary high voltage coupling to the low-voltage winding through the distributed capacitance or internal breakdown in the prior art. Insufficient circuit damage.

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Abstract

The invention discloses a shielding isolating layer of a high-power, high-frequency pulse and high-voltage rectifying transformer. The shielding isolating layer is a thin copper foil, wherein a polytetrafluoroethylene layer is coated on the surface of the thin copper foil; the cross section of the periphery of the polytetrafluoroethylene layer on the thin copper foil is spherical; and the periphery of the thin copper foil is of an arc structure. A primary inverse switch circuit can be prevented from being damaged when secondary high voltage is coupled to a low-voltage winding through distributed capacitance.

Description

Technical field [0001] The invention relates to a shielding isolation layer of a high-power high-frequency pulse high-voltage rectifier transformer. Background technique [0002] An existing high-power high-frequency pulse high-voltage rectifier transformer for electrostatic precipitators includes iron core, low-voltage winding, high-voltage winding, rectifier bridge, and transformer oil tank. The iron core adopts a rectangular iron oxide with long and short sides. Body or ultramicrocrystalline transformer core, the low-voltage winding is divided into two groups of wide copper foils and wound on the two low-voltage frames on the long side of the core in the same direction, and half of the high-voltage sub-windings in the high-voltage winding are sequentially wound on a high-voltage wire On the coil frame, the other half of the high-voltage sub-windings in the high-voltage winding are wound on another high-voltage coil frame in turn, and the two high-voltage coil frames are r...

Claims

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Application Information

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Patent Type & AuthorityApplications(China)
IPC IPC(8): H01F27/36H01F27/30
Inventor王秀琳蒋根才朱志勇梁从庆马亮朱智飞
OwnerYANCHENG ZHENGBANG ENVIRONMENTAL PROTECTION TECH