CN202737316U - Rotating-electrode gas spark gap switch - Google Patents

Rotating-electrode gas spark gap switch Download PDF

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Publication number
CN202737316U
CN202737316U CN 201220258398 CN201220258398U CN202737316U CN 202737316 U CN202737316 U CN 202737316U CN 201220258398 CN201220258398 CN 201220258398 CN 201220258398 U CN201220258398 U CN 201220258398U CN 202737316 U CN202737316 U CN 202737316U
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CN
China
Prior art keywords
cover plate
electrode
insulation cover
cylinder body
rotating shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201220258398
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Chinese (zh)
Inventor
张勇
金晓
宋法伦
秦风
甘延青
龚海涛
李祥伟
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Institute of Applied Electronics of CAEP
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Institute of Applied Electronics of CAEP
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Application filed by Institute of Applied Electronics of CAEP filed Critical Institute of Applied Electronics of CAEP
Priority to CN 201220258398 priority Critical patent/CN202737316U/en
Application granted granted Critical
Publication of CN202737316U publication Critical patent/CN202737316U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides a rotating-electrode gas spark gap switch. The rotating-electrode gas spark gap switch includes an upper electrode, a lower electrode, an upper insulating cover plate, a lower insulating cover plate, an insulating cylinder body, a rotating shaft and an intermediate electrode. The insulating cylinder body is provided with a side hole; the upper electrode and the upper insulating cover plate are fixed at an upper end of the insulating cylinder body; the lower electrode and the upper insulating cover plate are fixed at a lower end of the insulating cylinder body; the rotating shaft passes through the through holes of the upper insulating cover plate and the lower insulating cover plate; the insulating cylinder body, the upper electrode, the lower electrode, the upper insulating cover plate and the lower insulating cover plate form a cavity; the rotating shaft in the cavity is connected with the intermediate electrode and a power device; and the insulating cylinder body, the upper insulating cover plate and the lower insulating cover plate are provided with ring grooves. According to the rotating-electrode gas spark gap switch of the utility model, the intermediate electrode can rotate to drive the gas in the cavity of the switch to flow, thereby causing multi-point penetration; the rotating-electrode gas spark gap switch is conductive to the recovery of the ionization gas at different points, thereby realizing high-repetition-frequency operation of the gas spark gap switch; and further, the gas spark gap switch is advantageous in simple and compact structure, small dimension, and easiness in processing and installing and repetition-frequency operation of a small-size high-current gas spark gap switch.

Description

A kind of rotation electrode gas spark gap switch
Technical field
The utility model relates to a kind of rotation electrode gas spark gap switch, belongs to the strile pulse switch device field.
Background technology
In High pulse power technology, the gas spark gap switch has consequence.Traditional spark gap switch is divided into two kinds of two electrode switch, three electrode switch.The repetition rate characteristic is the important parameter of gas spark gap switch, and the repetitive operation characteristic is relevant with many kinds of parameters, and is main relevant recovery time with ionisation of gas.For improving the frequency that reruns of switch, often adopt the mode of pneumatic circulating to carry out, but the volume of switch of this structure is very huge, is applicable to large-scale instrument and equipment.For the growth requirement of following Small-Sized Pulsed power technology, large electric current, the repetition rate switch of research miniaturization become a kind of trend.
The utility model content
The technical problems to be solved in the utility model is to overcome existing defective, and a kind of rotation electrode gas spark gap switch is provided, so that volume of switch reduces, realizes the high repetition frequency operation.
In order to solve the problems of the technologies described above, the utility model provides following technical scheme:
A kind of rotation electrode gas spark gap switch comprises top electrode, bottom electrode, upper insulation cover plate, lower insulation cover plate, insulating cylinder body, rotating shaft and target.
Insulating cylinder body has side opening, on insulating cylinder body inwall and the outer wall cannelure is arranged.The upper end of insulating cylinder body is provided with annular upper electrode and seals and fixes, and at the ring surface middle part of top electrode annular boss is arranged, and insulation cover plate is embedded in the annular boss and with the top electrode sealing and fixes on the T shape.
There is through hole at upper insulation cover plate center, and rotating shaft passes the through hole of insulation cover plate, and rotating shaft is connected with power set.
Movable sealing cooperates between rotating shaft and the upper insulation cover plate.There are a plurality of concentric annular grooves upper insulation plate upper end and lower end;
Top electrode and bottom electrode, upper insulation cover plate and lower insulation cover plate are symmetrical arranged.
Form cavity between insulating cylinder body, top electrode, bottom electrode, upper insulation cover plate, the lower insulation cover plate, be provided with left-right symmetric and the wing plate vertical with rotating shaft on the rotating shaft in the cavity, the wing plate end is fixed with target, and left and right target is setting up and down at wing plate respectively.
Further, fix by screw between insulating cylinder body and the upper and lower electrode.
Further, between upper insulation cover plate and the top electrode, fix by screw between lower insulation cover plate and the bottom electrode.
Further, cooperate by the movable sealing of T shape sealing ring between rotating shaft and the upper insulation cover plate, T shape sealing ring is fixed by screw and sealed briquette and upper insulation cover plate; The same, cooperate equally between lower insulation cover plate and the rotating shaft.
The rotating shaft of a kind of rotation electrode gas spark of the utility model gap switch and upper and lower insulation cover plate adopt movable sealing structure, can realize five atmospheric sealings.Target can rotate, and target can drive the gas flow in the switch cavity in rotary course, causes that multiple spot punctures.Constantly rotate owing to target simultaneously, under the condition that loads certain voltage, the gas spark firing point of switch is different, is conducive to the recovery of difference ionized gas, thereby can realize the high repetition frequency operation of gas spark gap switch.Insulation cover plate and upper/lower electrode are fixed by screws on the insulating cylinder body up and down, on upper lower insulation plate and the insulating cylinder body cannelure are arranged, and have reduced the probability of switch edge flashing; Simple and compact for structure, volume is little, processing is installed easily, can realize the repetitive operation of the large electric current gas spark of miniaturization gap switch.
Description of drawings
Accompanying drawing is used to provide further understanding of the present utility model, and consists of the part of specification, is used from explanation the utility model with embodiment one of the present utility model, does not consist of restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of a kind of rotation electrode gas spark of the utility model gap switch.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the utility model, and be not used in restriction the utility model.
As shown in Figure 1, a kind of rotation electrode gas spark gap switch comprises top electrode, bottom electrode, upper insulation cover plate, lower insulation cover plate, insulating cylinder body, rotating shaft and target.
Insulating cylinder body has side opening, the upper end of insulating cylinder body is provided with annular upper electrode and fixing by screw and sealing ring sealing, there is annular boss at ring surface middle part at top electrode, and insulation cover plate is embedded in the annular boss and with top electrode and fixes by screw and sealing ring sealing on the T shape.
There is through hole at upper insulation cover plate center, and rotating shaft passes the through hole of insulation cover plate, cooperates by the movable sealing of T shape sealing ring between rotating shaft and the upper insulation cover plate, and T shape sealing ring is fixed by screw and sealed briquette and upper insulation cover plate.Cooperate equally between lower insulation cover plate and the rotating shaft.
Top electrode and bottom electrode, upper insulation cover plate and lower insulation cover plate are symmetrical arranged.
Form cavity between insulating cylinder body, top electrode, bottom electrode, upper insulation cover plate, the lower insulation cover plate, the gas of inside cavity is by the side pore turnover of insulating cylinder body.Be provided with left-right symmetric and the wing plate vertical with rotating shaft on the rotating shaft in the cavity, the wing plate end is fixed with target, and left and right target is setting up and down at wing plate respectively.
During work, upper and lower electrode loads rated voltage, under the effect of air motor, rotating shaft is with certain rotational speed, the rotation of drive target, rotating shaft is a trigger electrode simultaneously, when when rotating shaft loads certain pulse-triggered voltage, target is to upper and lower electrode conduction, gas ionization in the conducting region.When next trigger impulse arrived, because the rotation of target, the switch conduction position was different from previous conduction position, is conducive to the recovery of previous ionization channels.Cannelure on upper and lower insulation cover plate and the insulating cylinder body is conducive to increase creepage distance, reduces switch surface breakdown probability.
Upper and lower insulation cover plate and the upper and lower electrode of a kind of rotation electrode gas spark of the utility model gap switch are fixed by screws on the insulating cylinder body, and rotating shaft and upper and lower insulation cover plate adopt movable sealing structure, can realize five atmospheric sealings.The gas of inside cavity is by the lateral aperture turnover of insulating cylinder body.Target can rotate, and target can drive the gas flow in the switch cavity in rotary course, causes that multiple spot punctures.Constantly rotate owing to target simultaneously, under the condition that loads certain voltage, the gas spark firing point of switch is different, is conducive to the recovery of difference ionized gas, thereby can realize the high repetition frequency operation of gas spark gap switch.On upper and lower insulation board and the insulating cylinder body cannelure is arranged, reduced the probability of switch edge flashing; Simple and compact for structure, volume is little, processing is installed easily, can realize the repetitive operation of the large electric current gas spark of miniaturization gap switch.
The above only is preferred embodiment of the present utility model, be not limited to the utility model, although with reference to previous embodiment the utility model is had been described in detail, for a person skilled in the art, it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.

Claims (4)

1. rotation electrode gas spark gap switch is characterized in that: comprise top electrode, bottom electrode, upper insulation cover plate, lower insulation cover plate, insulating cylinder body, rotating shaft and target,
Insulating cylinder body has side opening, on insulating cylinder body inwall and the outer wall cannelure is arranged;
The upper end of insulating cylinder body is provided with annular upper electrode and seals and fixes, and at the ring surface middle part of top electrode annular boss is arranged, and insulation cover plate is embedded in the annular boss and with the top electrode sealing and fixes on the T shape,
There is through hole at upper insulation cover plate center, and rotating shaft passes the through hole of insulation cover plate, and movable sealing cooperates between rotating shaft and the upper insulation cover plate; There are a plurality of concentric annular grooves upper insulation plate upper end and lower end; Rotating shaft is connected with power set;
Top electrode and bottom electrode, upper insulation cover plate and lower insulation cover plate are symmetrical arranged;
Form cavity between insulating cylinder body, top electrode, bottom electrode, upper insulation cover plate, the lower insulation cover plate, be provided with left-right symmetric and the wing plate vertical with rotating shaft on the rotating shaft in the cavity, the wing plate end is fixed with target, and left and right sides target is setting up and down at wing plate respectively.
2. a kind of rotation electrode gas spark gap switch according to claim 1 is characterized in that: fix by screw between insulating cylinder body and the upper and lower electrode.
3. a kind of rotation electrode gas spark gap switch according to claim 1 is characterized in that: between upper insulation cover plate and the top electrode, fix by screw between lower insulation cover plate and the bottom electrode.
4. a kind of rotation electrode gas spark gap switch according to claim 1 is characterized in that: cooperate by the movable sealing of T shape sealing ring between rotating shaft and the upper insulation cover plate, T shape sealing ring is fixed by screw and sealed briquette and upper insulation cover plate; The same, cooperate equally between lower insulation cover plate and the rotating shaft.
CN 201220258398 2012-06-04 2012-06-04 Rotating-electrode gas spark gap switch Expired - Fee Related CN202737316U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220258398 CN202737316U (en) 2012-06-04 2012-06-04 Rotating-electrode gas spark gap switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220258398 CN202737316U (en) 2012-06-04 2012-06-04 Rotating-electrode gas spark gap switch

Publications (1)

Publication Number Publication Date
CN202737316U true CN202737316U (en) 2013-02-13

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102709815A (en) * 2012-06-04 2012-10-03 中国工程物理研究院应用电子学研究所 Rotating electrode gas spark gap switch
CN103219652A (en) * 2013-03-22 2013-07-24 华中科技大学 Large-current closed inflatable spark interval
CN108346974A (en) * 2018-04-26 2018-07-31 河海大学常州校区 A kind of high pressure pulse discharge rotary switch and its application method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102709815A (en) * 2012-06-04 2012-10-03 中国工程物理研究院应用电子学研究所 Rotating electrode gas spark gap switch
CN102709815B (en) * 2012-06-04 2015-11-18 中国工程物理研究院应用电子学研究所 A kind of rotation electrode gas spark gap switch
CN103219652A (en) * 2013-03-22 2013-07-24 华中科技大学 Large-current closed inflatable spark interval
CN108346974A (en) * 2018-04-26 2018-07-31 河海大学常州校区 A kind of high pressure pulse discharge rotary switch and its application method

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130213

Termination date: 20170604