High-voltage pulse capacitor used for rapid discharging

A technology of pulse capacitors and capacitors, which is applied to multiple fixed capacitors, fixed capacitor terminals, fixed capacitor components, etc., can solve the problems of small current carrying capacity, short service life, and low safety factor of pulse capacitors.

Inactive Publication Date: 2012-04-11
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the pulse capacitors of these two structures have defects such as low saf

Method used

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  • High-voltage pulse capacitor used for rapid discharging
  • High-voltage pulse capacitor used for rapid discharging
  • High-voltage pulse capacitor used for rapid discharging

Examples

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Embodiment Construction

[0019] Such as figure 1 , figure 2 As shown, the pulse capacitor of the present invention includes: capacitor lead electrode plate (1); cylindrical electrode (2); transfer electrode (3); capacitor side charging electrode (4); packaging plastic case (5); sealing ring (6) ; Capacitor core assembly (7); capacitor core (8).

[0020] exist figure 1 In the shown embodiment, the capacitor lead-out electrode plate (1) is directly covered and pressed on the end face of the capacitor series assembly, and is led out of the plastic case through the cylindrical electrode (2); the capacitor side charging electrode (4) is connected to the lead-out electrode inside the case Plate (1) is connected.

[0021] exist figure 2 In the shown embodiment, the capacitor core (8) is inside the packaging plastic case (5), and impregnating agent is filled between the side wall, top and bottom of the capacitor core (8) and the inner wall of the packaging plastic case (5). Each component (7) of the ca...

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Abstract

The invention discloses a pulse capacitor used for a rapid discharging unit. The pulse capacitor comprises: a capacitor leading electrode plate, which is directly covered on an end surface of a capacitor serial module and is pressed tightly as well as is led out of a plastic housing by a cylinder electrode; a capacitor and switch discharging branch switch electrode; a capacitor side surface charging electrode, which is connected with the leading electrode plate inside the housing; a packaging plastic housing and a sealing ring and the like. All assemblies of a capacitor slug are formed by metal electrode plates and dielectric film materials by a winding mode; the plurality of assemblies are in series connection to form the capacitor slug; and the metal electrode plates at two ends of the capacitor slug are respectively connected with the capacitor leading electrode plate. According to the invention, the pulse capacitor employing the above-mentioned structure has a good insulation characteristic and is not easy to be broken down; besides, the material stability is good and service life is long. In addition, there is no welding point inside the capacitor slug and safety coefficient is high.

Description

Technical field: [0001] The invention relates to the technical field of pulse power, in particular to a pulse capacitor used for a fast discharge unit. Background technique: [0002] Fast pulse discharge has a very wide range of applications in high voltage technology, pulse power and other fields. Generally speaking, high-voltage pulse capacitors used for fast pulse discharge mainly have two structures. One is the paper inner string structure, that is, aluminum foil is used as an electrode and a composite medium composed of plastic film or insulating paper and film is wound into a capacitor; The other is a full-film metallization structure, that is, a plastic film or insulating paper is plated with a very thin metal layer as an electrode in a vacuum state, and then wound to form a capacitor. However, the pulse capacitors of these two structures have defects such as low safety factor, large volume, small current-carrying capacity, and short service life. In the present inv...

Claims

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Application Information

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IPC IPC(8): H01G4/236H01G4/38
Inventor 刘轩东张乔根孙凤举刘隆晨
Owner XI AN JIAOTONG UNIV
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