CN102324333B - Prepulse switch for isolating waterline from oil line - Google Patents
Prepulse switch for isolating waterline from oil line Download PDFInfo
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- CN102324333B CN102324333B CN201110147835.6A CN201110147835A CN102324333B CN 102324333 B CN102324333 B CN 102324333B CN 201110147835 A CN201110147835 A CN 201110147835A CN 102324333 B CN102324333 B CN 102324333B
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- switch
- electrode
- prepulse
- oil
- field electrode
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Abstract
The invention discloses a prepulse switch for isolating a waterline from an oil line, which comprises an upper baffle plate, an outer barrel, a lower baffle plate, a high-voltage electrode, an upper electrode-shielding cover, a water-medium segment, a low-voltage electrode, a lower electrode-shielding cover and an oil-medium segment, wherein the upper electrode-shielding cover and the high-voltage electrode are fixed on the upper baffle plate of organic glass through a high-voltage electrode-pressing ring; the upper electrode-shielding cover and the low-voltage electrode are fixed on the lower baffle plate of the organic glass through a low-voltage electrode-pressing ring; and the upper baffle plate and the lower baffle plate which are fixed are sleeved in the outer barrel, and the prepulse switch, the outer barrel, the water-medium segment and the oil-medium segment are fixed through an upper loose flange and a lower loose flange. The prepulse switch is mainly applied to the isolation and the connection of a water-medium transmission line and an oil-medium transmission line in a pulse-power device, not only is used as the prepulse switch, but also is used as an oil-water isolating segment and can be used for inhibiting prepulses, peaking high-voltage pulses and protecting an oil part of the pulse-power device from being mixed with deionized water, and meanwhile, the insulating safety of the baffle plates is fully considered.
Description
Technical field
The present invention relates to a kind of oily medium prepulse switch, be specifically related to a kind of isolation and the isolation waterline being connected and the prepulse switch of oily line that is mainly used in aqueous medium transmission line and oily dielectric line in pulse power device.
Background technology
Pulse Power Techniques are in time scale, energy to be compressed, to obtain high power.Primary energy paired pulses at transmission line type pulse power device forms in the charging process of line, at main switch, puncture closed formation before main pulse, due to capacitance partial pressure effect, can first there is prepulsing to propagate on diode, cause the too early short circuit of diode, be unfavorable for diode steady operation, affect the efficiency that electric pulse is converted to ray.Therefore, need to adopt prepulse switch.Prepulse switch is arranged on the inner core of aqueous medium line conventionally at present, and working media has deionized water, transformer oil or gases at high pressure.In addition the inhibition of prepulsing also can realize by modes such as Prepulse suppression inductance.
Under pulse voltage, deionized water and transformer oil have good insulation characterisitic, are therefore widely used in pulse power device.The induced voltage superimposer (being called for short IVA) of take is example, pulse forming line, transmission line, water power cable adopt deionized water as dielectric, main switch adopts aqueous medium or gas medium, after the prepulsing oil switch of most induced voltage superimposers is generally placed on aqueous medium peaking switch, logical long-distance aqueous medium transmission line (being called water power cable) is transferred to Plate-Transmission-Line and induction cavity by output pulses again, and Plate-Transmission-Line and induction cavity adopt transformer oil as dielectric.Between different dielectrics, conventionally with poly (methyl methacrylate) plate, separate.If there is no corresponding safeguard measure; once dividing plate punctures because of gliding spark discharge; in aqueous medium transmission line, a large amount of deionized waters will be sneaked in the transformer oil of induction cavity; not only can cause the insulation failure of transformer; more serious consequence is to cause the damage that in induction cavity, expensive large scale amorphous presss from both sides film magnetic core and High-Voltage Insulation heap, causes induction cavity to be scrapped.
Summary of the invention
The deficiency existing in order to solve prior art; the technical problem that the present invention solves is to provide a kind of not only as prepulse switch but also be oil isolated from water section; can suppress prepulsing; peaking high voltage pulse, protection pulse power device oil parts avoid sneaking into a kind of prepulse switch of isolating waterline and oily line of deionized water.
Of the present invention being contemplated that, prepulsing oil switch section is placed between the water power cable and oily media plate transmission line of IVA, switch gap is oily medium, adopt two insulating barriers to isolate with the deionized water of water power cable and the Plate-Transmission-Line of induction cavity oil medium respectively, insulation relatively the weakest link is the lower surface of insulating barrier between prepulse switch section and water power cable, once this position insulation is broken down, easily find, even if dividing plate damages, the water of water power cable can not enter Plate-Transmission-Line and induction cavity yet.In addition, between general water power cable and Plate-Transmission-Line, the inner/outer tube electrode of rigidity is all wanted electric reliable connection, very inconvenient, and prepulsing oil switch section is placed between water cable end piece and Plate-Transmission-Line, only need to connect urceolus, inner core does not connect, and gap forms switch, and primary energy plays to forming line charging process the effect that reduces prepulsing, when main pulse arrives, oil medium switch punctures fast, and peaking main pulse, makes burst transmissions arrive Plate-Transmission-Line and induction cavity.
Technical scheme of the present invention is a kind of prepulse switch of isolating waterline and oily line, mainly comprise upper spacer 1, urceolus 2, lower clapboard 3, high-field electrode 4, top electrode radome 6, aqueous medium section 7, low-field electrode 9, bottom electrode radome 11, oily medium section 12, top electrode radome 6 is fixed on the upper spacer 1 of polymethyl methacrylate with high-field electrode 4 use high-field electrode pressure rings 5; Top electrode radome 6 is fixed on the lower clapboard 3 of polymethyl methacrylate with low-field electrode 9 use low-field electrode pressure rings 10; The upper and lower dividing plate fixing is inserted in urceolus 2, and prepulse switch and urceolus 2 are used lap joint flange 8 with aqueous medium section 7 and oily medium section 12, lower lap joint flange 13 is fixing.Prepulsing oil switch section is placed between water power cable and oily media plate transmission line, high-low pressure electrode, switch urceolus and upper lower clapboard form oil isolated from water section, and oil isolated from water section adopts two insulating barriers by the transformer oil isolation in the deionized water in water power cable and induction cavity.If upper spacer damages, deionized water only can enter in prepulse switch, can not enter the follow-up parts of transformer oil as dielectric of usining; If lower clapboard damages, because the subsequent parts of installing has adopted the dielectric identical with prepulse switch, be transformer oil, therefore also can not cause the damage of device.
Further, described prepulse switch be inclined relative to the horizontal to 3 °, be conducive to the discharge of bubble.
Further, described urceolus 2 below highs and lows respectively have an inlet nozzle.
Further, at described inlet nozzle, adopt the mode of vacuum oil, effectively get rid of the bubble in prepulse switch, be beneficial to the insulation safety of dividing plate.
In preferred version of the present invention, above described urceolus 2, peak has an exhaust nozzle.
In a preferred embodiment, described high-field electrode 4 and the distance between low-field electrode 9 are 1mm, can completely cut off the fast leading edge and high voltage pulse of tens of kV.
Prepulse switch is up-down structure.
Further preferably, described high-field electrode 4 is circular cone tip.
Further preferably, described low-field electrode 9 is plate electrode.
In embodiments of the invention, the overall dimension of described prepulse switch is Ф 466 * 300mm.
Beneficial effect of the present invention:
(1) prepulse switch can suppress prepulsing, and peaking high voltage pulse is again oil isolated from water section, and protection pulse power device oil parts avoid sneaking into deionized water;
(2) in prepulsing oil switch, fill transformer oil, the about 1mm of switch high-low pressure electrode spacing, the fast leading edge and high voltage pulse that can completely cut off tens of kV;
(3) prepulse switch adopts and is inclined relative to the horizontal to the structure of 3 °, and adopts vacuum oil, effectively gets rid of the bubble in prepulse switch, is beneficial to the insulation safety of dividing plate;
(4) increased bowl-shape electrode, can electric field shielding and impurity that gap discharge is produced can not deposit to insulating barrier surface, be beneficial to the insulation safety of dividing plate.
Accompanying drawing explanation
Fig. 1 is the vertical section structural map of the present invention's prepulse switch of isolating waterline and oily line.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described in more detail.
With reference to Fig. 1, the present invention isolates the assembling process of the prepulse switch of waterline and oily line and is: (1) utilizes high-field electrode pressure ring 5 that top electrode radome 6 and high-field electrode 4 are fixed on the upper spacer 1 of polymethyl methacrylate; (2) utilize low-field electrode pressure ring 10 that top electrode radome 11 and low-field electrode 9 are fixed on the lower clapboard 3 of polymethyl methacrylate; (3) parts such as upper and lower dividing plate that fix are inserted on urceolus 2, lap joint flange 8 in utilization, lower lap joint flange 13 fix prepulse switch and urceolus and aqueous medium section 7 with oily medium section 12.Installation of the present invention.Overall dimension of the present invention is Ф 466 * 300mm, and overall and horizontal plane forms the angle of 3 °, is conducive to the discharge of bubble.Urceolus 2 top peaks have an exhaust nozzle, and urceolus 2 below peaks and minimum point respectively have an inlet nozzle, reduce the bubble being adsorbed on dividing plate by vacuum oil.High-field electrode 4 is circular cone tip, and low-field electrode 9 is plate electrode, and clearance distance is 1mm, and fine-tuning.
Then prepulsing oil switch section is placed between water power cable and oily media plate transmission line, high-low pressure electrode, switch urceolus 2 and upper lower clapboard form oil isolated from water section, and oil isolated from water section adopts two insulating barriers by the transformer oil isolation in the deionized water in water power cable and induction cavity.
If upper spacer damages, deionized water only can enter in prepulse switch, can not enter the follow-up parts of transformer oil as dielectric of usining; If lower clapboard damages, because the subsequent parts of installing has adopted the dielectric identical with prepulse switch, be transformer oil, therefore also can not cause the damage of device.
Claims (1)
1. a prepulse switch of isolating waterline and oily line, mainly comprise upper spacer (1), urceolus (2), lower clapboard (3), high-field electrode (4), top electrode radome (6), aqueous medium section (7), low-field electrode (9), bottom electrode radome (11), oily medium section (12), top electrode radome (6) is fixed on the upper spacer (1) of polymethyl methacrylate with high-field electrode (4) with high-field electrode pressure ring (5); Top electrode radome (6) is fixed on the lower clapboard (3) of polymethyl methacrylate with low-field electrode (9) with low-field electrode pressure ring (10); The upper and lower dividing plate fixing is inserted in urceolus (2), and prepulse switch and urceolus (2) are used lap joint flange (8) with aqueous medium section (7) and oily medium section (12), lower lap joint flange (13) is fixing, it is characterized in that,
Described prepulse switch be inclined relative to the horizontal to 3 °;
In described urceolus (2) below, highs and lows respectively has an inlet nozzle;
At described inlet nozzle, adopt the mode of vacuum oil;
In described urceolus (2) top, peak has an exhaust nozzle;
Described high-field electrode (4) is circular cone tip;
Low-field electrode (9) is plate electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110147835.6A CN102324333B (en) | 2011-06-03 | 2011-06-03 | Prepulse switch for isolating waterline from oil line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110147835.6A CN102324333B (en) | 2011-06-03 | 2011-06-03 | Prepulse switch for isolating waterline from oil line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102324333A CN102324333A (en) | 2012-01-18 |
| CN102324333B true CN102324333B (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110147835.6A Expired - Fee Related CN102324333B (en) | 2011-06-03 | 2011-06-03 | Prepulse switch for isolating waterline from oil line |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114121427B (en) * | 2021-10-29 | 2023-07-21 | 西北核技术研究所 | Gravity pressure difference-based two-stage vacuum oil injection system and application method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101115345A (en) * | 2007-07-31 | 2008-01-30 | 哈尔滨工业大学 | Capillary discharging X-laser device using blumlein line and eliminating prepulse |
| CN101282113A (en) * | 2008-05-16 | 2008-10-08 | 西安理工大学 | Ultrafast pulse power switch device as well as autoexcitation picosecond magnitude power pulse generator |
| CN201191706Y (en) * | 2008-05-08 | 2009-02-04 | 陕西威迅石油科技有限公司 | Energy controller for high energy-cumulating large power electric impulse apparatus |
| CN101651289A (en) * | 2009-09-21 | 2010-02-17 | 平顶山市蓝峰科技实业有限公司 | High-pressure pulse trigger switch |
-
2011
- 2011-06-03 CN CN201110147835.6A patent/CN102324333B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101115345A (en) * | 2007-07-31 | 2008-01-30 | 哈尔滨工业大学 | Capillary discharging X-laser device using blumlein line and eliminating prepulse |
| CN201191706Y (en) * | 2008-05-08 | 2009-02-04 | 陕西威迅石油科技有限公司 | Energy controller for high energy-cumulating large power electric impulse apparatus |
| CN101282113A (en) * | 2008-05-16 | 2008-10-08 | 西安理工大学 | Ultrafast pulse power switch device as well as autoexcitation picosecond magnitude power pulse generator |
| CN101651289A (en) * | 2009-09-21 | 2010-02-17 | 平顶山市蓝峰科技实业有限公司 | High-pressure pulse trigger switch |
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| CN102324333A (en) | 2012-01-18 |
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| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Sun Fengju Inventor after: Gai Tongyang Inventor after: Qiu Aici Inventor after: Yin Jiahui Inventor after: Zeng Jiangtao Inventor after: Huang Jianjun Inventor before: Sun Fengju Inventor before: Qiu Aici Inventor before: Zeng Jiangtao Inventor before: Liu Zhigang Inventor before: Zhou Lixin Inventor before: Yin Jiahui Inventor before: Liang Tianxue Inventor before: Jiang Xiaofeng |
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Free format text: CORRECT: INVENTOR; FROM: SUN FENGJU QIU AICI CENG JIANGTAO LIU ZHIGANG ZHOU LIXIN YIN JIAHUI LIANG TIANXUE JIANG XIAOFENG TO: SUN FENGJU GAI TONGYANG QIU AICI YIN JIAHUI CENG JIANGTAO HUANG JIANJUN |
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