CN204465486U - A kind of coaxial type Marx generator - Google Patents
A kind of coaxial type Marx generator Download PDFInfo
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- CN204465486U CN204465486U CN201520219905.8U CN201520219905U CN204465486U CN 204465486 U CN204465486 U CN 204465486U CN 201520219905 U CN201520219905 U CN 201520219905U CN 204465486 U CN204465486 U CN 204465486U
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Abstract
The utility model relates to a kind of coaxial type Marx generator, comprise cavity, be positioned at the gas switch major loop of cavity, gas switch major loop comprises the gas switch of multiple parallel connection, each gas switch comprises switch air-filled pore, each gas switch has independently seal chamber, gas switch major loop also comprises independently switch gas circuit, the entrance of switch gas circuit is arranged on the wall of cavity, switch gas circuit is provided with the gas outlet that quantity is identical with gas switch quantity, gas outlet and gas switch air-filled pore connect one to one.Marx generator of the present utility model adopts gas switch and movement cavity to carry out the mode of isolating, residing for the adjustment of switch pressure and movement, the adjustment of inside cavity air pressure is separate, be independent of each other, achieve the independent regulation of gas switch air pressure, effective expanded generator gas switch can working range, and then improve the exportable voltage range of whole generator.
Description
Technical field
The utility model relates to a kind of pulse power generation device, is specifically related to a kind of major loop gas switch and the compact Marx generator of coaxial type.
Background technology
In recent years along with the progress of switching technique and high-voltage pulse capacitor technology, compact Marx generator obtains fast development.Such generator is because of compact, conveniently moving, the feature such as output pulse amplitude is high, forward position is fast, be well positioned to meet the triggering demand of multiclass gases at high pressure switch in pulse power system, the triggering of especially high performance field distortion switch, multistage multi-channel switch and track switch etc.; Meanwhile, also can be used as Direct driver source and drive electromagnetic impulse radiation antenna, Flash X-ray tube even load, realize the miniaturized application of pulse power system.
The main following several principles of the compact Marx Generator Design of typical case:
1) generator main body is typically designed to coaxial configuration.Energy storage capacitor, charging resistor, gas switch at different levels and lead-in wire are all packaged in metal cylinder, form coaxial configuration.Adopt coaxial configuration can reduce loop inductance to a great extent, be conducive to the compactedness of structure.Metal cylinder ground connection plays the effect of electromagnetic shielding simultaneously, reduces the harm of electromagnetic radiation to human body.
2) generator major loop gas switch is made up of between two the multipair metal ball-head be arranged in a linear usually, strong ultraviolet light is produced with preionization next stage spark switch after prime switch conduction, thus the avalanche type development making discharge process keep space consistent, finally realize the foundation of fast rise time impulse waveform.
3) generator generally selects the ceramic capacitor of low inductance as energy-storage travelling wave tube, and high-voltage connection is short as far as possible; Gases at high pressure switch gap is general less, improves the withstand voltage of switch by air pressure inside, thus reduces loop inductance.
The advantage of the compact Marx generator of typical case is that gas switch topology layout is simple, and is easier to conducting foundation because there is irradiation auxiliary link; Shortcoming is that gas switch and Marx movement share a cavity, and the adjustment of switch scope will be realized by the air pressure changing the whole cavity of Marx movement.Each adjustment is consuming time, consumption gas, and is subject to the restriction of movement integral insulation requirement, and affects the adjustable extent of switch.
Summary of the invention
In order to avoid the adjustment of existing coaxial type compact Marx generator gas switch air pressure is on the impact of generator movement exterior insulation performance, effective expansion generator operating voltage range, the utility model provides the compact Marx generator of coaxial type that a kind of gas switch has individual packages structure.
Technical solution of the present utility model is:
A kind of coaxial type Marx generator, comprise cavity, be positioned at the gas switch major loop of cavity, described gas switch major loop comprises the gas switch of multiple parallel connection, each gas switch comprises switch air-filled pore, its special character is: each gas switch has independently seal chamber, described gas switch major loop also comprises independently switch gas circuit, the entrance of described switch gas circuit is arranged on the wall of cavity, described switch gas circuit is provided with the quantity gas outlet identical with gas switch quantity, described gas outlet and gas switch air-filled pore connect one to one.
Be more than basic scheme of the present utility model, based on this basic scheme, the utility model also makes following optimization:
Above-mentioned gas switch adopts the trigger architecture of Trigatron form, concrete structure comprises high-field electrode, low-field electrode and insulated enclosure housing, the afterbody that described high-field electrode and low-field electrode include head and be connected with head, the head of described high-field electrode and low-field electrode is spherical and is relatively arranged in insulated enclosure housing, and the afterbody of described high-field electrode and low-field electrode is positioned at outside insulation shell.
The gas switch of this structure is used for the utility model, and it relative to the advantage of the gas switch of other structure existing is: under identical withstand voltage level, and more compact structure, switch punctures more reliable and more stable.
Further, switch air-filled pore of the present utility model is arranged in high-field electrode, and passes to head side from high-field electrode afterbody and communicate with insulated enclosure housing.
Further, the cross section of switch air-filled pore of the present utility model is in comprising vertical core and the cross-drilled hole vertical with vertical core, and described vertical core is arranged on afterbody center line, and described cross-drilled hole is arranged in bulb, and this structure, compared with other switches, eliminates special air admission hole.
Further, the head of high-field electrode of the present utility model and low-field electrode is hemispherical, and the switch gap of this structure is uniform field gap.Switch is punctured more reliable and more stable.
Further, the profile of insulated enclosure housing of the present utility model is cylindric, and being threaded by two and half housings forms, and this structure compresses volume of switch, makes compact conformation.
Further, high-field electrode of the present utility model and low-field electrode along on the center line of insulated enclosure housing.
Further, the gas switch of multiple parallel connection of the present utility model is arranged side by side on chamber central line.
Further, Marx generator of the present utility model also comprises for carrying out tactile electricity triggering loop to gas switch, this structure makes the utility model can have two kinds of activation pattern, and one is that pneumatic control triggers, and another kind is that the outside electricity of gas switch triggers.
Further, triggering loop of the present utility model and gas switch major loop be arranged in parallel, conveniently trigger introducing.
Compared with prior art, advantage is the utility model:
1, Marx generator of the present utility model adopts gas switch and movement cavity to carry out the mode of isolating, residing for the adjustment of switch pressure and movement, the adjustment of inside cavity air pressure is separate, be independent of each other, achieve the independent regulation of gas switch air pressure, effective expanded generator gas switch can working range, and then improve the exportable voltage range of whole generator.
2, generator gas switch of the present utility model is the two-electrode gas gap with cylindrical independent sealed structure, and insulation crust is polymethyl methacrylate, and electrode is made up of a pair hemispherical brass.While holding device compact overall structure is small and exquisite, makes switch cavity and movement cavity carry out effective isolation, ensure that the independence of two cavity air pressure adjustment.
3, the switch air-filled pore of generator major loop of the present utility model and a termination electrode are integrated design, effectively prevent and offer pore on switch insulation cavity, achieve the inflation/deflation of cavity simultaneously, make switch overall structure more simple and compact.
4, linearly type is arranged in parallel for generator major loop of the present utility model gas switch at different levels, trigger loop and major loop arranged in parallel, all form coaxial configuration with device external metallization housing, make device volume compacter and easy accessibility.
5, the utility model is make up switch mutually to irradiate the defect promoting that device is set up, and generator first three grade of gas switch adopts the trigger architecture structure of Trigatron form simple, reliable trigger; Meanwhile, each switch gas circuit of major loop communicates, and switch air cavity volume is little, and air pressure adjustment is convenient, and device is reliably set up to be convenient to adopt pneumatic control to promote.
6, the utility model is for ensureing that complete machine is reliably set up, and generator adopts trigger resistance in pneumatic control or outside electric triggering graph 1b to be trigger use as outside electricity, and pneumatic control is inflated exactly, venting, realized by gas circuit, two kinds of selectable triggering modes, widened the scope of application of device.
Accompanying drawing explanation
Fig. 1 a is input view of the present utility model;
Fig. 1 b is that the utility model is from the top plan view viewed from input;
Fig. 2 a is output view of the present utility model;
Fig. 2 b is that the utility model is from the side cutaway view viewed from output;
Fig. 3 is gas switch structure chart of the present utility model.
In figure, 1-cavity, 2-gas switch, 21-high-field electrode, 22-low-field electrode, 23-insulated enclosure housing, 24-switch air-filled pore, 3-trigger resistance, 4-switch gas circuit, 5-charges leading-in terminal, and 6-triggers leading-in terminal, 7-lead-out terminal, 8-cavity air-filled pore, 9-ceramic capacitor, 10-nylon supporting bracket, 11-metal outer cylinder.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described further.
The utility model considers the independent regulation of Marx generator gas switch air pressure, while the whole generator coaxial type cramped construction of guarantee, gas switch is designed to individual packages structure.The mode of pneumatic control or three electrode switch external trigger is adopted to what switch before generator to trigger, ensure the reliable foundation of generator, what generator gas switch had been expanded in this design greatly can working range, and then effectively improves the exportable voltage range of whole generator.Meanwhile, the adjustment of gas switch air pressure is avoided on the impact of Marx generator movement exterior insulation.
The overall dimension of the utility model embodiment is Φ 320 × 850mm, compact conformation, and integral layout is coaxial configuration.
The utility model is made up of parts such as movement, metal outer cylinder, end caps.Movement is by ceramic capacitor 9, the gas switch 2 with independent sealed cavity, nylon supporting bracket 10, and the composition such as trigger resistance, charging resistor, earth resistance.
The main installation process of the utility model embodiment is:
(1) multiple gas switch 2 with independent sealed cavity is arranged in nylon supporting bracket 10 successively;
(2) multiple ceramic capacitor 9 is fixed on below nylon supporting bracket 10 by metal connecting piece successively;
(3) charging resistor and earth resistance are arranged on successively each ceramic capacitor 9 with on the metal electrode of gas switch 2;
(4) triggering loop is fixed on the side of nylon supporting bracket 10 near switch triggering electrode;
(5) lateral electrode tracheae gas switch with switch air-filled pore is connected successively with adapter, forms switch gas circuit 4;
(6) movement is arranged on the end cap of metal outer cylinder 11 one end, charging leading-in terminal 5, triggering leading-in terminal 6 and cavity air-filled pore 8 is arranged on this end cap simultaneously;
(7) end cap being connected with above-mentioned parts is inserted inside cavity along metal outer cylinder 11 one end, and utilize screw it to be connected with metal outer cylinder 11;
(8) lead-out terminal 7 is arranged on metal outer cylinder 11 other end end cap central position, and utilizes screw it to be connected with metal outer cylinder 11.The installation of the utility model embodiment.
Claims (10)
1. a coaxial type Marx generator, comprise cavity, be positioned at the gas switch major loop of cavity, described gas switch major loop comprises the gas switch of multiple parallel connection, and each gas switch comprises switch air-filled pore, it is characterized in that:
Each gas switch has independently seal chamber, described gas switch major loop also comprises independently switch gas circuit, the entrance of described switch gas circuit is arranged on the wall of cavity, described switch gas circuit is provided with the quantity gas outlet identical with gas switch quantity, described gas outlet and gas switch air-filled pore connect one to one.
2. coaxial type Marx generator according to claim 1, is characterized in that:
Described gas switch adopts the trigger architecture of Trigatron form, comprise high-field electrode, low-field electrode and insulated enclosure housing, the afterbody that described high-field electrode and low-field electrode include head and be connected with head, the head of described high-field electrode and low-field electrode is spherical and is relatively arranged in insulated enclosure housing, and the afterbody of described high-field electrode and low-field electrode is positioned at outside insulation shell.
3. coaxial type Marx generator according to claim 2, is characterized in that:
Described switch air-filled pore is arranged in high-field electrode, and passes to head side from high-field electrode afterbody and communicate with insulated enclosure housing.
4. coaxial type Marx generator according to claim 3, it is characterized in that: described switch air-filled pore comprises vertical core and the cross-drilled hole vertical with vertical core, described vertical core is arranged on afterbody center line, and described cross-drilled hole is arranged in bulb.
5. coaxial type Marx generator according to claim 4, is characterized in that: the head of described high-field electrode and low-field electrode is hemispherical, and ball top is relative.
6. coaxial type Marx generator according to claim 5, is characterized in that: the profile of described insulated enclosure housing is cylindric, and being threaded by two and half housings forms.
7. coaxial type Marx generator according to claim 6, is characterized in that: the center line of described high-field electrode and low-field electrode overlaps with the center line of insulated enclosure housing.
8. according to the coaxial type Marx generator one of claim 1 to 8 Suo Shu, it is characterized in that: the gas switch of described multiple parallel connection is arranged side by side on chamber central line.
9. coaxial type Marx generator according to claim 8, is characterized in that: described Marx generator also comprises for carrying out tactile electricity triggering loop to gas switch.
10. coaxial type Marx generator according to claim 9, is characterized in that: described electricity triggers loop and gas switch major loop be arranged in parallel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520219905.8U CN204465486U (en) | 2015-04-13 | 2015-04-13 | A kind of coaxial type Marx generator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520219905.8U CN204465486U (en) | 2015-04-13 | 2015-04-13 | A kind of coaxial type Marx generator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106299579A (en) * | 2016-10-21 | 2017-01-04 | 西安电子工程研究所 | Linear type switch arrays microwave oscillator |
| CN110289835A (en) * | 2019-06-18 | 2019-09-27 | 中国工程物理研究院应用电子学研究所 | Capacitor storage unit, double-row type high-voltage pulse generating device and corresponding main structure |
-
2015
- 2015-04-13 CN CN201520219905.8U patent/CN204465486U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106299579A (en) * | 2016-10-21 | 2017-01-04 | 西安电子工程研究所 | Linear type switch arrays microwave oscillator |
| CN106299579B (en) * | 2016-10-21 | 2018-10-09 | 西安电子工程研究所 | Linear type switch arrays microwave oscillator |
| CN110289835A (en) * | 2019-06-18 | 2019-09-27 | 中国工程物理研究院应用电子学研究所 | Capacitor storage unit, double-row type high-voltage pulse generating device and corresponding main structure |
| CN110289835B (en) * | 2019-06-18 | 2023-01-24 | 中国工程物理研究院应用电子学研究所 | Capacitor energy storage unit, double-row high-voltage pulse generation equipment and corresponding main body structure |
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