CN85201717U - Large capacity field distortion spark switch - Google Patents
Large capacity field distortion spark switch Download PDFInfo
- Publication number
- CN85201717U CN85201717U CN 85201717 CN85201717U CN85201717U CN 85201717 U CN85201717 U CN 85201717U CN 85201717 CN85201717 CN 85201717 CN 85201717 U CN85201717 U CN 85201717U CN 85201717 U CN85201717 U CN 85201717U
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- switch
- large capacity
- electrode
- main electrode
- field distortion
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Abstract
The utility model discloses a large capacity field distortion spark switch, belongs to the technical field of high voltage electrical appliances, and is a key component for fast pulse high voltage high current devices. The large capacity field distortion spark switch comprises two main electrodes, a trigger electrode and three insulating sleeve barrel. Before a switch is triggered, an electric field is evenly distributed; when the switch is triggered, part of the electric field is intensely distorted. The electric field is quickly conducted within time less than 100 nanoseconds, and pulsed current with tens of hundred thousand can flow through. The large capacity field distortion spark switch has good synchronous performance, and the dispersivity of time delay is not more than 20 nanoseconds. The large capacity field distortion spark switch can be used for studying plasma and nuclear fusion and devices of particle accelerators, laser technology devices, sea floor prospecting devices, impact high current devices, etc. When the large capacity field distortion spark switch is used, a plurality of switched can be connected in parallel, and one switch can be used alone.
Description
Big capacity field distortion spark gap is a kind of High-Voltage Electrical Appliances, is in the big Pulse Power Techniques, makes the critical component in the whole device that charged capacitor group discharges energy to load in the microsecond magnitude time.
The general used switch of electric power system can not satisfy this matching requirements.The sphere gap that common high voltage installation is used, its performance, also be not so good as this switch performance good (can consult relevant chapters and sections in " high-voltage test techniques " book, be nineteen eighty-two publishing house of Tsing-Hua University publication) as switch discharge time delay and synchronism etc.
A kind of jumbo for making, can be in less than 100 nanoseconds time conducting and net synchronization capability are good rapidly, the time delay dispersiveness is the requirement according to a plurality of Kai Guan And through transport row of a nanosecond magnitude, switch And simple in structure, and the utility model has designed big capacity field distortion spark gap.
The outer dia of switch
1Be 200 millimeters, inner chamber radius
2Be 140 millimeters, inner chamber height H
1It is 122 millimeters.Its sectional arrangement drawing is seen Fig. 1.(1) is insulator (or glass sock) among the figure, and (2) are last main electrode, and (3) are trigger electrode, (4) be insulating cylinder, (5) are following main electrode, and (6) are following insulating lid, (7) be rubber ring, (8) be pressure ring, (9) are nut, and (10) are vent valve, (11) (12) are rubber ring, (13) be last insulating lid, (14) are suction nozzle, and (15) are clamp nut.Two main electrodes up and down, the critical piece ， And that middle trigger electrode and three insulating sleeves (4), (6), (13) are switch is linked to be a single unit system to above-mentioned critical piece by trigger electrode.Main electrode is the circulus of hollow, and the end is that Ban Qiu Xing And is made by the copper-tungsten material, and main electrode is along last porose.Trigger electrode adopts copper-tungsten and stainless steel interference fit to add riveted joint and forms, at the aperture that has four 45 ° over against the main electrode place.
Before the triggering, in the switch between electrode electric field evenly distribute.During triggering, electric field is distorted strongly, the local area produces very high electric field strength, causes the rapid conducting of switch.The shape of electrode in the switch, size, key parameters such as mutual alignment need could be determined by experiment at last through Ji Suan And.Clearance distance H between general main electrode can be smaller or equal to 10 millimeters, and the relative main electrode of trigger electrode is in the position of 0.4H, and trigger electrode tip curvature radius r can be 2～3 millimeters (see figure 2)s.Its performance parameter can reach:
Operating voltage: 18～60KV
Peak current: 180KA
Discharge time delay: less than 100ns
Discharge time delay dispersiveness: ± 10ns
Switch working range: 65%
Big capacity field distortion spark gap is used for the high-voltage large current pulser, as plasma and fusion research, laser technology, and particle accelerator, the seabed mine detecting set hits ripple experiment etc.During use, two wiring of want connection circuit are linked to each other (as shown in Figure 3) with the switch main electrode respectively, the trigger impulse (16) that adds certain polarity and amplitude when needing conducting on the spark switch trigger electrode can make conducting rapidly between main electrode.
Claims (5)
1. one kind big capacity spark switch is characterized in that by two main electrodes, and a trigger electrode and three insulating sleeves are formed, and And and trigger electrode are linked to be a single unit system with above-mentioned parts.
2. it is characterized in that as claim 1 described switch main electrode is a hollow annular structure, the end is that Ban Qiu Xing And adopts the copper-tungsten material of anti-ablation to make, and the main electrode upper edge is porose.
3. as claim 2 described switches, it is characterized in that trigger electrode adopts copper-tungsten and stainless steel interference fit to add riveted joint and forms, four 45 ° aperture is arranged over against the main electrode place.
4. as claim 3 described switches, it is characterized in that clearance distance between main electrode is smaller or equal to 10 millimeters, the relative main electrode of trigger electrode is in the position of 0.4H, trigger electrode tip curvature radius r is smaller or equal to 1 millimeter, and the most advanced and sophisticated distance D to main electrode hemispherical head center line of trigger electrode equals 2～3 millimeters.
5. as claim 4 described switches, it is characterized in that lining one insulated porcelain sleeve or glass sock between main electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85201717 CN85201717U (en) | 1985-04-28 | 1985-04-28 | Large capacity field distortion spark switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85201717 CN85201717U (en) | 1985-04-28 | 1985-04-28 | Large capacity field distortion spark switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN85201717U true CN85201717U (en) | 1986-03-05 |
Family
ID=4797703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 85201717 Withdrawn CN85201717U (en) | 1985-04-28 | 1985-04-28 | Large capacity field distortion spark switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN85201717U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102646929A (en) * | 2011-02-21 | 2012-08-22 | 封九三 | High-voltage switch trigger |
| CN109449014A (en) * | 2018-10-19 | 2019-03-08 | 南京理工大学 | A kind of three electrode high-voltage switch gear of resistance to ablation plane and preparation method thereof |
-
1985
- 1985-04-28 CN CN 85201717 patent/CN85201717U/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102646929A (en) * | 2011-02-21 | 2012-08-22 | 封九三 | High-voltage switch trigger |
| CN109449014A (en) * | 2018-10-19 | 2019-03-08 | 南京理工大学 | A kind of three electrode high-voltage switch gear of resistance to ablation plane and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |