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A glass capacitor and packaging device

A packaging device and capacitor technology, applied in the direction of fixed capacitor shell/package, fixed capacitor electrode, fixed capacitor dielectric, etc., can solve problems such as process complexity, improve application environment temperature, improve surface roughness, and reduce self-healing noise. Effect

Active Publication Date: 2016-03-02
HUAZHONG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the finished glass, the acquisition of its fine powder will lead to the complexity of the process

Method used

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  • A glass capacitor and packaging device
  • A glass capacitor and packaging device
  • A glass capacitor and packaging device

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Embodiment Construction

[0022] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.

[0023] Herein, a glass capacitor refers to a capacitor that uses glass as an energy storage medium. Aiming at the low energy storage density of existing capacitors, the embodiment of the present invention provides a glass capacitor with high energy storage density.

[0024] As shown in Fig. 1(A), Fig. 1(B) and Fig. 1(C), the glass capacitor comprises: a glass dielectric layer 1, on one side of ...

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Abstract

The invention discloses a glass capacitor and an encapsulating device. The glass capacitor comprises a glass medium layer, a first metal electrode layer and a second metal electrode layer, wherein the first metal electrode layer is attached to one side of the glass medium layer; the second metal electrode layer is attached to the other side of the glass medium layer, and is centrally symmetrical to the first metal electrode layer; the first metal electrode layer is rectangular; one end of the first metal electrode layer is taken as the leading-out end 2b of an electrode 2a, and the other three ends of the first metal electrode layer form reserved edges 3a, 3b and 3c together with corresponding boundaries of the glass medium layer respectively; the reserved edges 3a, 3b and 3c are taken as insulated ends; the leading-out end 2b is flush with the glass medium layer; and the thickness of the leading-out end 2b is larger than that of the electrode 2a. The energy storage density of the glass capacitor provided by the invention is much higher than that of polypropylene; alkali-free glass is adopted, so that the application environment temperature of the capacitor can be raised greatly; and due to the adoption of the alkali-free glass, local surface discharge caused by surface unevenness can be weakened, and the working stability of the glass capacitor is enhanced.

Description

technical field [0001] The invention belongs to the field of high-voltage electrical appliances, and more specifically relates to a glass capacitor and a packaging device. Background technique [0002] Capacitors are widely used as energy storage, filtering and reactive power compensation devices in power electronics and power systems. Its capacitance is proportional to the dielectric constant of the energy storage medium. Under the condition that the thickness of the energy storage medium is fixed, the working voltage of the capacitor is proportional to the working field strength. In order to increase the energy storage density of capacitors and reduce their space requirements as energy storage components, it is necessary to further increase the working field strength and dielectric constant of capacitors. At present, biaxially oriented polypropylene materials are widely used as the medium of high-density energy storage capacitors. However, due to the characteristics of po...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01G4/10H01G4/224H01G4/005
Inventor 李化刘德林福昌陈耀红李智威王博闻李浩原
Owner HUAZHONG UNIV OF SCI & TECH
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