CN2259718Y - Helical transmission line type small size nanosecond pulse high-voltage generator - Google Patents
Helical transmission line type small size nanosecond pulse high-voltage generator Download PDFInfo
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- CN2259718Y CN2259718Y CN 96205188 CN96205188U CN2259718Y CN 2259718 Y CN2259718 Y CN 2259718Y CN 96205188 CN96205188 CN 96205188 CN 96205188 U CN96205188 U CN 96205188U CN 2259718 Y CN2259718 Y CN 2259718Y
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- transmission line
- high pressure
- pipe
- interior
- switch
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Abstract
The utility model relates to a miniature nanosecond-pulse high-voltage generator of a helical transmission line type, which is composed of a direct-current high-voltage charging power supply and an assembly of a helical transmission line and a track switch, wherein the assembly comprises an inner and an outer metal sleeve tubes, a helical transmission line, an inner insulation barrel, a front and a back cover boards, a track switch, a charging feed line, a charging input socket, etc. The utility model is characterized in that the helical transmission line is formed by superimposing and winding in an alternate mode two layers of aluminum foils and two layers of propylene polymerization films, an inner magnetic conductive rod is arranged between the inner metal sleeve tube and the helical transmission line, and the outer surface of the inner insulation barrel is provided with an outer magnetic conductive rod. The periphery surface of the outer magnetic conductive rod and the outer surface of the front cover board are respectively cast with one layer of epoxy resin glue, and insulated silicone oil is poured inside the epoxy resin glue.
Description
The utility model relates to a kind of small-sized nanosecond pulse high pressure generator, relates in particular to the small-sized nanosecond pulse high pressure generator of a kind of spiral-shaped transmission line formula.
The small-sized nanosecond pulse high pressure generator of existing spiral-shaped transmission line formula (hereinafter to be referred as spiral shell nanosecond pulse high pressure generator), solid dielectric insulation or air insulations such as general employing resin, heavier or volume is bigger, and the resistance to pressure of insulation is relatively poor or product quality is a problem, or is unwell to repetition rate work more than hundred kilovolts.The conductive foil of the circular transmission line of spiral adopts Copper Foil more in the existing in addition nanosecond high pressure generator, and its complex manufacturing technology cost height is so need to improve.
The purpose of this utility model is to improve the structure of existing product, and a kind of volume is little, in light weight, good insulation preformance and provide, spiral shell nanosecond pulse high pressure generator easy to make, that cost is low.
The purpose of this utility model is to realize like this, the small-sized nanosecond pulse high pressure generator of a kind of spiral-shaped transmission line formula, include DC high-voltage power supply, spiral-shaped transmission line and track switch assembly, this assembly includes interior insulating cylinder, spiral-shaped transmission line, metal sleeve, load pipe chamber, the grounded metal pipe, nut, front shroud, back shroud, the back shroud sealing flange, switch pedestal, high pressure output guide rod, charging input socket cover, the electricity feeder line, insulation grommet or piece, wherein track switch is to be covered by metal switch, switch pedestal, electrode tip holder, be located at two parallel poles on metal switch lid and the electrode tip holder respectively and is connected switch pedestal and insulation that electrode tip holder is used serve as a contrast form, load pipe chamber is a middle nylon tube with a boss, front end at nylon tube is provided with a grounded metal pipe, screw togather a metal nut in this pipe, the periphery of the periphery of nylon tube extension and its front end grounded metal pipe is provided with outer metal sleeve, the rear portion is provided with high pressure output guide rod in nylon tube, be provided with metal sleeve at nylon tube boss rear side, it is characterized in that being provided with the internal layer bar magnet of a high permeability on interior metal sleeve surface, helical transmission line surrounds on this bar magnet, make interior metal sleeve, internal layer bar magnet, helical transmission line three is an integral body and places in the interior insulating cylinder, bonding one outer bar magnet outside interior insulating cylinder, before interior insulating cylinder, before the rear end is respectively equipped with, back shroud, wherein the front shroud centre bore passes nylon tube and is adhered to place, boss front side with it, the back shroud center is provided with a through hole, and be arranged on the sealing flange, the flange middle part is provided with an oil seal buffer cap, flange is connected with interior insulating cylinder by the insulation grommet, be provided with an opening on the top of interior insulating cylinder and outer bar magnet, opening part is provided with a track switch and charging input socket, the metal switch base of track switch is connected as a body by insulate grommet or piece and interior insulating cylinder and front shroud, and in all junctions, outerplanar cast one deck epoxy resins insulation sealant of the periphery of outer bar magnet and insulation grommet and front shroud, and at above-mentioned whole component internal perfusion oil-insulation medium; Above-mentioned spiral-shaped transmission line is the cylinder on the bar magnet by inside and outside two aluminium foils and in being located at that two polypropylene insulation films between this aluminium foil are overlapping and being wound in, its outer field inside and outside aluminium foil, be connected with another utmost point with the grounding electrode of track switch respectively, this another utmost point joins by the high-pressure side of charging feeder line and charging input socket, plug and charging DC high-voltage power supply, the interior aluminium foil of its internal layer is unsettled, and outer aluminium foil is connected by the high pressure guide rod of conducting strip with load pipe chamber.
The high pressure generator of said structure, its spiral-shaped transmission line cylindraceous still are in series like the coaxial capacitance that 2n (n is the number of turns) charges to V, can obtain the high-voltage pulse that maximum is output as 2nV in the ideal case.When charging voltage was 10～20 kilovolts, exportable pulsewidth was that tens～hundreds of nanosecond, peak value are the high pressure low-repetition-frequency pulse of tens～hundreds of kilovolt generally speaking, and its characteristics are: 1. adopted aluminium foil, easy to make, technology is simple, and cost is low, is applicable to commercialization; 2. adopted the inside and outside layer bar magnet of high permeability high frequency, magnetic field that can splicing thread bag zone, when preventing transmission line work with the electric coupling of proximity conductor generation, so can improve the power output and the efficient of generator, thereby can reduce the volume of generator; 3. make dielectric at the oil of the inner perfusion of generator good insulation preformance, can improve the electrical insulation properties of inner each element of generator, especially can improve the insulation property between spiral-shaped transmission line line covering greatly, even more superior is therein during discharge breakdown,, still can recover insulation property because of the effect of insulating oil, not as solid dielectric insulation, in case puncture, its insulation property are just worse and worse, even lose insulating capacity fully.
These characteristics makes this high pressure generator performance more stable, and quality is good, and is simple in structure, makes easily, and cost is low, easily commercialization.
Come structure of the present utility model is further narrated with embodiment and accompanying drawing below.
Embodiment is used for the small-sized nanosecond pulse high pressure generator of small portable flash of light * radiological survey X instrument.
Description of drawings
Fig. 1 is the utility model high pressure generator theory of constitution figure
Fig. 2 is the spiral-shaped transmission line of high pressure generator and track switch assembly
Structural representation.
Fig. 3 is the spiral-shaped transmission line and the track of the high pressure generator among the embodiment
The structural representation of switch module.
Fig. 4 is the A-A profile of Fig. 2.
By shown in Fig. 1～3 as seen: the small-sized nanosecond pulse high pressure generator of the spiral-shaped transmission line formula of present embodiment by high direct voltage charge power supply part and spiral-shaped transmission line and track switch assembly partly form, spiral-shaped transmission line and track switch assembly are by load pipe chamber 2 as seen from Figure 3, interior lead 16, internal layer bar magnet 12, helical transmission line 4, interior insulating cylinder 14, outer bar magnet 13, the external insulation layer 7 of cast is formed, wherein interior lead 16, internal layer bar magnet 12 and helical transmission line are one and the rear side that is sheathed on nylon tube 201 boss of pipe chamber 2 for 4 groups, and place in the interior insulating cylinder 14, the sticking high outer bar magnet 13 of one deck permeability outside interior insulating cylinder 14, on interior insulating cylinder 14 and outer bar magnet 13, offer an opening part, opening part is provided with track switch 6 and is provided with a charging input socket 5 on its metal switch base 18, the metal switch base 18 of track switch is connected as a body by insulation pad 65 and interior insulating cylinder 14 and front shroud 24, front shroud 24 is bonded on the nylon tube 201 by its borehole jack, back shroud 10 is the metallic plate that a center is provided with air vent hole, it is by sealing flange 9, insulation grommet 81 seals mutually with insulating cylinder 14 rear ends, on sealing flange 9, be provided with oil seal buffer cap 11, this buffer cap is when ambient temperature changes, the cushioning effect of having expanded with heat and contract with cold to insulating oil, to guarantee the sealing of oil, on front shroud 24, be provided with the oil filler point 3 of makeup oil in addition, charging input socket 5, track switch 6 all scribbles epoxy resin sealant with the junction of switch pedestal 18 grades, equal casting epoxy resin sealant 7 on the outerplanar of the side face of outer bar magnet 13 and insulation grommet 81 and front shroud 24, make helical transmission line, track switch, it is as a whole that load pipe chambers etc. become, and at its whole interior space perfusion insulating oil medium.
Set track switch is one to have the parallel orbit arrester switch of two tungsten-copper alloy cylinder electrodes on the above-mentioned switch pedestal 18, it by switch cover 64, with switch cover be connected electrode 61, electrode tip holder 63, another electrode 62 of linking to each other of electrode tip holder and the insulating cell 65 that switch pedestal 18 and electrode tip holder 63 are connected as a body formed therewith, its switch cover 64 links to each other with metal switch base 18, and be connected with ground wire, its electrode 62 links to each other with charging input socket 5 by charging feeder line 19.The advantage of this kind switch is that the conducting voltage of switch that is to say to the charging voltage of transmission line and can regulate by transferring two interelectrode gaps that the discharge equivalent inductance of switch is little, so performance is good.
On the above-mentioned switch pedestal 18 set charging input socket 5 by insulating case 53, be located at metal derby 51, epoxy insulation glue 54 and (see figure 3) that connector lug 52 is formed in this cover, charging feeder line 19 joins with metal derby 51, and with epoxy glue 54 sealing and fixing in insulating case 53, and the cable plug by inserting socket and the negative pole of high direct voltage charge power supply join.
The above-mentioned spiral-shaped transmission line 4 outer conductive aluminum foil 41 of serving as reasons, interior conductive aluminum foil 42 and two insulation paper tinsels 43, columnar structured (referring to Fig. 4) of 44 alternate overlapping back (referring to Fig. 1) coileds, the outer conductive foil 41 at the top, outer ring of transmission line joins with switch pedestal 18 by zinc-plated Copper Foil 21, switch pedestal 18 is connected with the interior switch cover 64 that is welded with grounding electrode 61 again, and join with ground wire together, conductive foil 42 is received on the electrode tip holder 63 that is welded with another switch electrode in the top, outer ring by zinc-plated Copper Foil 22, and by electrode tip holder 63, charging feeder line 19 is connected on the charging input socket 5, the terminal of transmission line inner ring, conductive foil 42 is unsettled in it, its outer conductive foil 41 links by the slit and the interior lead 16 of magnetic conductive rod 12 in passing, and by conducting strip again with the insulative cap 202 that is arranged at nylon tube 201 rear ends on attachment screw 203 link, this screw and high pressure output guide rod 15 links.
The grounded metal pipe 101 that is arranged at nylon tube 201 front ends is provided with a nut that is screwed with it 102, the kathode of the load that is provided with in this nut and the load pipe chamber 2 joins, because of load be * ray tube in the present embodiment, so need be provided with a lead window mouth 104 in nut 102 fronts, outside window 104, be provided with a window screen cover 103 that is screwed with metal tube 101 screws, this screen cover makes window 104 clamping nuts 102 when being screwed together in metal management screw, and metal tube 101 and nylon tube 201 sponsons are provided with outer metal sleeve 17.
The inside and outside conductive foil of helical transmission line respectively adopts two bed thickness 20um (micron is long), wide 80mm aluminium foil in the present embodiment, insulating barrier is by 6 bed thickness 15um, wide 120mm polypropylene film is formed altogether around 35 circles, when the charging high voltage source is negative 10 kilovolts, can obtain 100 nanoseconds of output pulse width, the high-voltage pulse that peak value is positive 150 kilovolts, its repetition rate are 1～5 time/second.And the weight of generator only is 3.65kg, and volume only is φ 105 * 169mm
3(not comprising the tube chamber extension), and poured into therein that thermal endurance and cold resistance are good, viscosity with temperature change little insulating properties preferably methyl-silicone oil make dielectric, thereby realized that volume is little, in light weight, cost is low, be convenient to processing and fabricating, insulating properties purpose preferably.
In the above-described embodiments because the load in the load pipe chamber 2 is an X-ray tube, so interior metal sleeve 16 and the outdoor outer metal sleeve 17 of stretching the place of pipe all adopt lead pipe or lead alloy pipe, but X-ray-preventing transmitted radiation, in order to avoid injury personnel, and when for other loads, can adopt other metal material pipes such as copper, aluminium to get final product.
Claims (7)
1, the small-sized nanosecond pulse high pressure generator of a kind of spiral-shaped transmission line formula, include DC high-voltage power supply, spiral-shaped transmission line and track switch assembly, this assembly includes interior insulating cylinder, spiral-shaped transmission line, metal sleeve, load pipe chamber, the grounded metal pipe, metal nut, front shroud, back shroud, the back shroud sealing flange, track switch, high pressure output guide rod, the charging input socket, the electricity feeder line, insulation grommet or piece, wherein track switch is to be covered by metal switch, switch pedestal, electrode tip holder, be located at two parallel poles on metal switch lid and the electrode tip holder respectively and is connected switch pedestal and insulation that electrode tip holder is used serve as a contrast form, load pipe chamber is a middle nylon tube with a boss, front end at nylon tube is provided with a grounded metal pipe, screw togather a metal nut in this pipe, the periphery of the periphery of nylon tube extension and its front end grounded metal pipe is provided with outer metal sleeve, the rear portion is provided with high pressure output guide rod in nylon tube, be provided with the internal layer bar magnet that metal sleeve in is characterized in that being provided with on interior metal sleeve surface a high permeability at nylon tube boss rear side, helical transmission line surrounds on this bar magnet, make interior metal sleeve, internal layer bar magnet, helical transmission line three is an integral body and places in the interior insulating cylinder, bonding one outer bar magnet outside interior insulating cylinder, before interior insulating cylinder, before the rear end is respectively equipped with, back shroud, wherein front shroud passes nylon tube by centre bore and is adhered to place, boss front side, the back shroud center is provided with a through hole, and be arranged on the sealing flange, the flange middle part is provided with an oil seal buffer cap, flange is connected with interior insulating cylinder by the insulation grommet, be provided with an opening on the top of interior insulating cylinder and outer bar magnet, opening part is provided with a track switch and charging input socket, the switch pedestal of track switch is connected as a body by insulate grommet or piece and interior insulating cylinder and front shroud, and in all junctions, outerplanar cast one deck epoxy resins insulation sealant of the periphery of outer bar magnet and insulation grommet and front shroud, and at whole component internal perfusion oil-insulation medium; Above-mentioned spiral-shaped transmission line is the cylinder on the bar magnet by inside and outside two aluminium foils and in being located at that two polypropylene insulation films between this aluminium foil are overlapping and being wound in, its outer field inside and outside aluminium foil, be connected with another utmost point with the earth connection utmost point of track switch respectively, this another utmost point joins by electric feeder line and charging input socket, cable plug and DC high-voltage power supply high-pressure stage, the interior aluminium foil of its internal layer is unsettled, and outer aluminium foil is connected with the high pressure output guide rod of pipe chamber by conducting strip.
2, by the small-sized millimicrosecond pulse generator of the described spiral-shaped transmission line formula of claim 1, the outer aluminium foil that it is characterized in that the transmission line outer ring joins by zinc-plated Copper Foil and switch pedestal, and join by connected switch cover and grounding electrode, interior aluminium foil joins and joins with another electrode by zinc-plated Copper Foil and electrode tip holder, in the outer aluminium foil of transmission line inner ring passes bar magnet and slit and interior lead pipe link, interior lead pipe is exported guide rod by conducting strip and the high pressure of being located at the nylon tube rear portion again and is connected.
3, by the small-sized nanosecond pulse high pressure generator of the described spiral-shaped transmission line formula of claim 1, the inside and outside aluminium foil that it is characterized in that transmission line respectively is two bed thickness 20um, the aluminium foil of wide 80mm, the dielectric film between between aluminium foil is by being made up of the wide 120mm polypropylene film of 6 bed thickness 15um.
4. by the small-sized nanosecond pulse high pressure generator of the described spiral-shaped transmission line formula of claim 1, the inside and outside metal sleeve that it is characterized in that being located in the high pressure generator is lead pipe or lead alloy pipe, it manages the set pipe joint of chamber nylon tube front end by being made up of grounded metal pipe, nut, lead window mouth and housing, nut is screwed together in the grounded metal pipe screw, housing is located at outside the lead window mouth, window and grounded metal pipe screw are screwed to window and press on nut, the negative electrode of nut and X-ray tube load links, and grounded metal pipe and ground wire join.
5,, it is characterized in that the insulating oil medium of perfusion in the high pressure generator is a methyl-silicone oil by the small-sized nanosecond pulse high pressure generator of the described spiral-shaped transmission line formula of claim 1.
6, by the small-sized nanosecond pulse high pressure generator of the described spiral-shaped transmission line formula of claim 1, the high frequency bar magnet that to it is characterized in that at the inside and outside set inside and outside magnetic conductive rod of spiral-shaped transmission line line bag be high permeability.
7, by the small-sized nanosecond pulse high pressure generator of the described spiral-shaped transmission line formula of claim 1, it is characterized in that on front shroud, being provided with the oiling aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96205188 CN2259718Y (en) | 1996-03-13 | 1996-03-13 | Helical transmission line type small size nanosecond pulse high-voltage generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96205188 CN2259718Y (en) | 1996-03-13 | 1996-03-13 | Helical transmission line type small size nanosecond pulse high-voltage generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2259718Y true CN2259718Y (en) | 1997-08-13 |
Family
ID=33890242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96205188 Expired - Fee Related CN2259718Y (en) | 1996-03-13 | 1996-03-13 | Helical transmission line type small size nanosecond pulse high-voltage generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2259718Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101272068B (en) * | 2007-03-19 | 2011-07-06 | 上海海立（集团）股份有限公司 | Phase insulation structure of centralized coiling electric motor for compressor |
| CN105047352A (en) * | 2015-09-17 | 2015-11-11 | 中国工程物理研究院流体物理研究所 | Close-winding spiral coil and manufacturing method thereof |
| CN108322982A (en) * | 2018-04-12 | 2018-07-24 | 中国工程物理研究院流体物理研究所 | Ferroelectric Explosive electricity transducing impulse generator, flash X-ray generation device and method |
-
1996
- 1996-03-13 CN CN 96205188 patent/CN2259718Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101272068B (en) * | 2007-03-19 | 2011-07-06 | 上海海立（集团）股份有限公司 | Phase insulation structure of centralized coiling electric motor for compressor |
| CN105047352A (en) * | 2015-09-17 | 2015-11-11 | 中国工程物理研究院流体物理研究所 | Close-winding spiral coil and manufacturing method thereof |
| CN105047352B (en) * | 2015-09-17 | 2017-03-22 | 中国工程物理研究院流体物理研究所 | Close-winding spiral coil and manufacturing method thereof |
| CN108322982A (en) * | 2018-04-12 | 2018-07-24 | 中国工程物理研究院流体物理研究所 | Ferroelectric Explosive electricity transducing impulse generator, flash X-ray generation device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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 |