CN204088876U - The gases at high pressure switch that a kind of gap is accurately adjustable - Google Patents
The gases at high pressure switch that a kind of gap is accurately adjustable Download PDFInfo
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- CN204088876U CN204088876U CN201420371819.4U CN201420371819U CN204088876U CN 204088876 U CN204088876 U CN 204088876U CN 201420371819 U CN201420371819 U CN 201420371819U CN 204088876 U CN204088876 U CN 204088876U
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- high pressure
- gases
- gap
- pressure switch
- insulator
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Abstract
The utility model relates to the accurately adjustable gases at high pressure switch in a kind of gap.This device mainly comprises end cap, insulator, anode, negative electrode, electrode hood, high pressure valve, seal chamber and fine-adjusting unit.Gas passes in and out airtight cavity by the high pressure valve of insulator both sides, anode is relative with the position of insulator fixing, drive nut can only rotate to drive cathode motion under the restriction of spacing ring, negative electrode can only do axially reciprocating under the restriction of limit base, stop screw, thus change the distance with anode, realize the adjustment of switch gap; Spacing ring is provided with index dial, the fine adjustment of switch gap can be realized.The utility model can realize that gases at high pressure switch gap adjustment structure is easy and simple to handle, degree of regulation is high, structure air-tightness is good.
Description
Technical field
The utility model relates to pulse power device, is specifically related to the gases at high pressure switch that a kind of gap is accurately adjustable.
Background technology
In fields such as high voltage, Pulse Power Techniques, nuclear electromagnetic pulse environment generation technology, pulse power device can use gas switch usually as discharge switch.Gas switch has the advantages such as withstand voltage height, medium recovery be fast.
The operating voltage of gas switch can be regulated by two kinds of methods, and a kind of is the kind or the air pressure that change filled with gas, and another kind changes switch electrode gap.Because first method is simple to operate, most of gas switch adopts the method changing gaseous species or air pressure to regulate operating voltage.But in the application scenario that some are special, when requiring very high to the adjustable range of switched inductors and switch voltage, only adjustments of gas kind or air pressure cannot meet the demands, and need fine adjustment switch gap.
Summary of the invention
In order to solve in background technology existing technical problem, the utility model proposes the gases at high pressure switch that a kind of gap is accurately adjustable, can realize that the accurately adjustable gases at high pressure switching manipulation in gap is easy, degree of regulation is high, structure air-tightness is good.
Technical solution of the present utility model is:
The gases at high pressure switch that gap is accurately adjustable, comprises insulator and negative electrode, it is characterized in that:
Also comprise fine-adjusting unit:
Above-mentioned fine-adjusting unit comprises stop screw, limit base, drive nut and spacing ring;
Above-mentioned spacing ring and limit base are fixed on the outer face of insulator from top to bottom by bolt group one, described limit base is provided with axial limiting screw, and stop screw overhanging end stretches in the stopper slot of negative electrode;
Screw thread pair is provided with between above-mentioned drive nut and cathode outer side face; The limited ring of upper and lower surface of described drive nut and limit base are distinguished spacing.
The gases at high pressure switch that above-mentioned gap is accurately adjustable also comprises the index dial being fixed on spacing ring upper surface and the corner cue mark being arranged on drive nut outer surface.
Above-mentioned insulator with between negative electrode for concentric gap coordinates, adopt gas radial moving sealing structure.
Above-mentioned limit base is symmetrically arranged with two axial limiting screws.
Above-mentioned drive nut upper surface spacing refers to spacing by spacing ring of the upper surface of the side projecting platform of drive nut.
Above-mentioned stopper slot height is more than or equal to 10mm.
Above-mentioned negative electrode and anode adopt the metal material of non-ferromagnetic substance to make; Described high pressure valve adopts nylon material to make.
The utility model has the advantages that:
1, the utility model achieves the accurately adjustable of switch gap, adjustable range 0 ~ 10mm, and degree of regulation is higher than 0.1mm, easy and simple to handle, degree of regulation is high.
2, the utility model compact, compact conformation, air-tightness is good, can bear air pressure 2.0MPa.
3, the pulse voltage amplitude that the utility model can bear can reach 600kV.
4, the forward position that the utility model can realize output voltage impulse waveform is less than 2ns.
Accompanying drawing explanation
Fig. 1 is the structural representation of the accurately adjustable gases at high pressure switch in the utility model gap.
Drawing reference numeral illustrates: 1-end cap, 2-insulator, 3-anode, 4-stop screw, 5-limit base, 6-drive spiral shell, 7-spacing ring, 8-electrode hood, 9-bolt group one, 10-O type circle one, 11-negative electrode, 12-O type circle two, 13-O type circle three, 14-high pressure valve, 15-bolt group two, 16-locking nut, 17-stopper slot.
Embodiment
The utility model concrete structure as shown in Figure 1.
Switch insulator maximum outside diameter 102mm, switch total height 190mm.End cap 1, insulator 2, anode 3, negative electrode 11 form the seal chamber of blanketing gas, interiorly during work fill gases at high pressure.Gas passes in and out seal chamber by the high pressure valve 14 of insulator 2 both sides.Stop screw 4, limit base 5, drive nut 6 and spacing ring 7 form fine-adjusting unit.Drive nut 6 can only rotate to drive negative electrode 11 under the restriction of spacing ring 7, and negative electrode 11 can only do axially reciprocating under the restriction of limit base 5, stop screw 4, thus changes the distance with anode 3, realizes the adjustment of switch gap.
Spacing ring 7 and limit base 5 are fixed on the outer face of insulator 2 from top to bottom by bolt group 1, limit base 5 is symmetrically arranged with axial limiting groove 17, and stopper slot 17 length is more than or equal to 10mm.When switch gap regulates, seal chamber internal gas pressure is not higher than seal chamber external pressure.
Be fixed on spacing ring 7 upper surface and be provided with the corner cue mark that index dial and drive nut 6 outer surface be provided with, index dial and corner cue mark coordinate indicator cock gap adjustment precision.
Insulator 2 is relative with the position of anode 3 fixing, has concentric gap to coordinate between insulator 2 with negative electrode 11, adopts gas radial moving sealing structure, not only ensures high-pressure gas seal but also can reduce relative motion resistance.By having carried out appropriate design to sealed groove size and position, when in switch during insufflation gas, each sealing ring has moved outside low pressure direction, can realize high pressure self-tightening.
The sealed groove of the wall thickness of end cap 1 and insulator 2, the sealed groove of O type circle 1, the sealed groove of O type circle 2 12 and O type circle 3 13 all will be adjusted according to interior requirement of filling maximum gas pressure; The external height of insulator 2 will be carried out electrical insulation strength and be adjusted; Whole fastening switch is integrated by bolt group 1 and bolt group 2 15, its bolt size and length demand fulfillment strength check.
End cap 1 and insulator 2 adopt the insulating material of good insulation preformance; Negative electrode 11 and anode 3 adopt the metal material of non-ferromagnetic substance; High pressure valve 14 adopts nylon material to make; The material that O type circle 1, O type circle 2 12 and O type circle 3 13 adopt is nitrile rubber.
Claims (7)
1. the gases at high pressure switch that gap is accurately adjustable, comprises insulator (2) and negative electrode (11), it is characterized in that:
Also comprise fine-adjusting unit:
Described fine-adjusting unit comprises stop screw (4), limit base (5), drive nut (6) and spacing ring (7);
Described spacing ring (7) and limit base (5) are fixed on the outer face of insulator (2) from top to bottom by bolt group one (9), described limit base (5) is provided with axial limiting screw (4), stop screw (4) overhanging end stretches in the stopper slot (17) of negative electrode (11);
Screw thread pair is provided with between described drive nut (6) and negative electrode (11) lateral surface; The limited ring of upper and lower surface (7) of described drive nut (6) and limit base (5) are distinguished spacing.
2. the gases at high pressure switch that gap according to claim 1 is accurately adjustable, is characterized in that: also comprise the index dial being fixed on spacing ring (7) upper surface and the corner cue mark being arranged on drive nut (6) outer surface.
3. the gases at high pressure switch that gap according to claim 1 and 2 is accurately adjustable, is characterized in that: for concentric gap coordinates between described insulator (2) with negative electrode (11), adopts gas radial moving sealing structure.
4. the gases at high pressure switch that gap according to claim 3 is accurately adjustable, is characterized in that: described limit base (5) is symmetrically arranged with two axial limiting screws (4).
5. the gases at high pressure switch that gap according to claim 4 is accurately adjustable, is characterized in that: spacing the referring to of described drive nut (6) upper surface passes through the spacing of spacing ring (7) to the upper surface of the side projecting platform of drive nut (6).
6. the gases at high pressure switch that gap according to claim 5 is accurately adjustable, is characterized in that: the height of described stopper slot (17) is more than or equal to 10mm.
7. the gases at high pressure switch that gap according to claim 6 is accurately adjustable, it is characterized in that: also comprise high pressure valve (14), described high pressure valve (14) is arranged on the both sides of insulator (2), and described negative electrode (11) and anode (3) adopt the metal material of non-ferromagnetic substance to make; Described high pressure valve (14) adopts nylon material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420371819.4U CN204088876U (en) | 2014-07-07 | 2014-07-07 | The gases at high pressure switch that a kind of gap is accurately adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420371819.4U CN204088876U (en) | 2014-07-07 | 2014-07-07 | The gases at high pressure switch that a kind of gap is accurately adjustable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204088876U true CN204088876U (en) | 2015-01-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420371819.4U Expired - Fee Related CN204088876U (en) | 2014-07-07 | 2014-07-07 | The gases at high pressure switch that a kind of gap is accurately adjustable |
Country Status (1)
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| CN (1) | CN204088876U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105186293A (en) * | 2015-08-27 | 2015-12-23 | 桂林理工大学 | Air-tightness gap-adjustable type spark-gap switch operation method |
| CN105954657A (en) * | 2016-06-21 | 2016-09-21 | 上海天灵开关厂有限公司 | Insulation distance adjustable gas insulation characteristic test apparatus |
| CN106410609A (en) * | 2016-12-16 | 2017-02-15 | 南京农业大学 | Three-electrode gas spark switch with precisely adjustable gap |
| CN106908699A (en) * | 2016-12-29 | 2017-06-30 | 西北核技术研究所 | The measuring method and device of discharge cavity and the gas gap breakdown threshold based on it |
| CN108626104A (en) * | 2018-06-22 | 2018-10-09 | 佛山科学技术学院 | A kind of anti-evacuator |
| CN110854680A (en) * | 2019-12-06 | 2020-02-28 | 湘潭大学 | Adjustable gas spark switch |
| CN112164982A (en) * | 2020-09-07 | 2021-01-01 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Electromagnetic pulse gas switch and voltage pulse source acquisition device |
| CN108626104B (en) * | 2018-06-22 | 2024-04-30 | 佛山科学技术学院 | Evacuating-proof device |
-
2014
- 2014-07-07 CN CN201420371819.4U patent/CN204088876U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105186293A (en) * | 2015-08-27 | 2015-12-23 | 桂林理工大学 | Air-tightness gap-adjustable type spark-gap switch operation method |
| CN105954657A (en) * | 2016-06-21 | 2016-09-21 | 上海天灵开关厂有限公司 | Insulation distance adjustable gas insulation characteristic test apparatus |
| CN106410609A (en) * | 2016-12-16 | 2017-02-15 | 南京农业大学 | Three-electrode gas spark switch with precisely adjustable gap |
| CN106908699A (en) * | 2016-12-29 | 2017-06-30 | 西北核技术研究所 | The measuring method and device of discharge cavity and the gas gap breakdown threshold based on it |
| CN106908699B (en) * | 2016-12-29 | 2019-09-27 | 西北核技术研究所 | The measurement method and device of discharge cavity and the gas gap breakdown threshold based on it |
| CN108626104A (en) * | 2018-06-22 | 2018-10-09 | 佛山科学技术学院 | A kind of anti-evacuator |
| CN108626104B (en) * | 2018-06-22 | 2024-04-30 | 佛山科学技术学院 | Evacuating-proof device |
| CN110854680A (en) * | 2019-12-06 | 2020-02-28 | 湘潭大学 | Adjustable gas spark switch |
| CN112164982A (en) * | 2020-09-07 | 2021-01-01 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Electromagnetic pulse gas switch and voltage pulse source acquisition device |
| CN112164982B (en) * | 2020-09-07 | 2021-12-07 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Electromagnetic pulse gas switch and voltage pulse source acquisition device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20150107 Termination date: 20160707 |