CN204145436U - A kind of multichannel high voltage pulse generation device of cable energy storage - Google Patents
A kind of multichannel high voltage pulse generation device of cable energy storage Download PDFInfo
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- CN204145436U CN204145436U CN201420680708.1U CN201420680708U CN204145436U CN 204145436 U CN204145436 U CN 204145436U CN 201420680708 U CN201420680708 U CN 201420680708U CN 204145436 U CN204145436 U CN 204145436U
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Abstract
The utility model discloses a kind of multichannel high voltage pulse generation device of cable energy storage, comprise spiral line pulse generator, spiral line pulse generator is connected on trigger switch by trigger resistance, the charging inlet of trigger switch connects charging cable, trigger switch is connected with isolation capacitance by energy storage cable, and the triggering output cable jack of isolation capacitance is connected with triggering output cable.The utility model is discharged by spiral line pulse generator trigger switch, coaxial energy storage cable inner core potential jump, export high-voltage pulse through isolation capacitance, export pulse climbing speed very fast, can 20kV/ns be reached, shake low, be no more than 2ns, have stronger antijamming capability, and be easily extended to multiple-channel output, export pulse amplitude and can reach hundred kV, the rise time is a few ns; In terms of existing technologies, there is obvious progress.
Description
Technical field
The utility model relates to technical field of pulse power, specifically refers to a kind of multichannel high voltage pulse generation device of cable energy storage.
Background technology
High voltage fast pulse generating means has important application in higher power device, developed rapidly in nearly decades, pulse generating unit reaches higher level, during open circuit, output amplitude can to more than 100kV, and rise time and delay jitter all can be less than 10ns.Along with application demand is more and more harsher, also more and more higher to the demand of high voltage pulse generation device, such as large-scale pulse power device will have waveform adjustment ability, the electric discharge of different capacitors group need be triggered by different high-voltage pulse generator to realize, high-voltage pulse generator is needed to have stronger antijamming capability thus, do not affected by other group circuit dischargings, also will have low delay shake, just tool regulating power discharge time simultaneously.
In existing triggering system, Marx trigger output amplitude is higher at present, and climbing speed is fast, but its complex structure, be difficult to expand to multichannel; The shake of laser triggering gas switch type pulse trigger is lower, but construction of switch is complicated, and inductance is comparatively large, therefore causes negative effect to output rising edge of a pulse; Trigger output amplitude based on hydrogen thyratron is lower, and antijamming capability is also poor.
Utility model content
The purpose of this utility model is the multichannel high voltage pulse generation device providing a kind of cable energy storage, and the shake solving current experimental provision is comparatively large, easily by external environment interference false triggering electric discharge problem.
The purpose of this utility model is achieved through the following technical solutions:
A kind of multichannel high voltage pulse generation device of cable energy storage, comprise spiral line pulse generator, spiral line pulse generator is connected on trigger switch by trigger resistance, the charging inlet of trigger switch connects charging cable, trigger switch is connected with isolation capacitance by energy storage cable, and the triggering output cable jack of isolation capacitance is connected with triggering output cable.The utility model is discharged by spiral line pulse generator trigger switch, coaxial energy storage cable inner core potential jump, export high-voltage pulse through isolation capacitance, export pulse climbing speed very fast, can 20kV/ns be reached, shake low, be no more than 2ns, have stronger antijamming capability, and be easily extended to multiple-channel output, export pulse amplitude and can reach hundred kV, the rise time is a few ns; In terms of existing technologies, there is obvious progress.
Described spiral line pulse generator comprises the input cover plate and output cover plate that are parallel to each other, export cover plate fixing on the supporting plate, supporting bracket is fixed on trigger switch by support bar, the inner core of coaxial package is installed between input cover plate and output cover plate, urceolus, side is wound with by two-layer flat copper wire and the two-layer dielectric film hurricane band formed spaced apart outer tube, connected by switch between the two-layer copper strips of hurricane band, described input cover plate is provided with two high-tension connectors, one of them high-tension connector is connected with the trigger electrode of switch, another high-tension connector connects one end of the internal layer copper conductor of hurricane band, the other end of the internal layer copper conductor of hurricane band is unsettled, ground connection is passed through in one end of the outer copper conductor of hurricane band, its other end is connected on the trigger resistance of trigger switch behind pulse steeping gap.Hurricane band by two-layer flat copper wire and two-layer dielectric film around on inner core, connected by switch between two-layer copper conductor, hurricane band overcoat has urceolus, inner core and urceolus are all fixed on and input cover plate and export between cover plate, exporting cover plate is fixed on supporting bracket and support bar, input covers is equipped with two high-tension connectors, one of them high-tension connector connects hurricane band internal layer copper conductor, for charging, be charged to 4 ~ 5kV high pressure, the trigger electrode of another high-tension connector connecting valve, the internal layer copper conductor other end of hurricane band is unsettled, ground connection is passed through in the outer copper conductor one end of hurricane band, one end exports after trembling behind pulse steeping gap, for triggering subordinate's switch, its operation principle is: before switch is closed, magnitude of voltage and be 0 on hurricane band copper cash and between copper cash, after switch is closed, incident wave starts to propagate to the copper cash other end from here, in communication process, the electric field energy be originally stored between copper cash in electrostatic field mode is converted into magnetic field energy, and gradually the capacitances in series formed between adjoining spiral band copper cash, voltage wave offsets the charging voltage on path simultaneously, when voltage wave arrives the copper cash other end, now copper cash both end voltage becomes nU
0, n is the copper cash number of turn, U
0for initial charge voltage, afterwards, owing to being in open circuit, voltage wave is from here to switch terminals reflection, and from then on end starts to come across the opposite polarity voltage of charging voltage, starts to recharge copper cash, magnetic field energy is converted into electric field energy again, and when reflected wave arrives switch, the voltage at copper cash two ends becomes 2nU
0, maximum voltage can reach maximum 2nU in theory
0, because there is the leakage inductance loss between the resistance loss of switch, transmission line resistance and dielectric loss, adjacent coaxial electric capacity, therefore real output value U
1than theoretical value 2nU
0little, this spiral line pulse generator feature is that antijamming capability is stronger, due to its switch needs a few kV voltage can triggering discharges, therefore be not easy to be subject to external environmental interference, but its rise time is longer, under the condition that charging voltage is not too high, export for realizing high voltage, need the number of turn that coiling is more, voltage wave propagates into output voltage amplitude when the other end radiates again from switch and reaches maximum, because the number of turn is many, voltage wave institute is longer through path, therefore the rise time is longer, reach ns up to a hundred, answer this, a trembling gap is added to reduce the rise time when triggering next stage switch.
Described trigger switch comprises the cylindric outer container of a bottom lock and upper end open, the openend of outer container installs end cap, arrange silicone rubber pad between upper end cover and outer container to carry out sealing and forming closed containing cavity, insulation inner core is provided with in outer container, a charging cover plate be fixed on by insulated tension pole on upper end cover is installed in cavity volume, described charging cover plate arranges cable input end interface, and high-field electrode, cable input end interface connects the inner core of energy storage cable, the outer core of energy storage cable connects upper end cover at energy storage cable interface place, trigger electrode is provided with above high-field electrode, the top of trigger electrode connects external series gap bottom electrode, trigger electrode is fixed on ground electrode by triggering isolated insulation, ground electrode is fixedly mounted on upper end cover, triggering isolated insulation is provided with external series gap insulator, external series gap insulator is provided with electrode cap, external series gap top electrode is installed in external series gap insulator, external series gap top electrode is connected with trigger resistance through electrode cap.Operation principle is, the inner core of energy storage cable connects high-field electrode, the outer core grounding electrode of energy storage cable is also by upper end cover ground connection, and fill SF6 gas between electrode as dielectric, high-pressure stage fills high voltage U, this voltage U is less than the puncture voltage of wherein filled SF6 gas, when the voltage U 1 that spiral line pulse generator electric discharge produces is applied in filp-flop stage, because polarity is contrary, voltage difference reaches U+U1, more than the puncture voltage of SF6 gas, switch conduction discharges.
Described isolation capacitance comprises the fuel tank of a lower end closed upper end open cylindrical shape, upper cover plate is fixed with at the openend of fuel tank, upper cover plate is connected with by insulation blanket stud the train wheel bridge and lower plate that are positioned at fuel tank, the isolation capacitance of series connection is installed between train wheel bridge and lower plate, train wheel bridge is provided with the train wheel bridge electrode connecting energy storage cable output end, lower plate is provided with the lower plate electrode connecting and trigger output cable, upper cover plate is also provided with and triggers output cable jack, and cable jack, connected by charging intercell connector between described lower plate electrode, draw from cable jack after charging intercell connector connects charging cable.Switch conduction, conducting electric discharge between core inside and outside energy storage cable, outer core ground connection, current potential is constant, inner core potential jump, 0 is become from U, isolation capacitance two ends electrical potential difference can not be undergone mutation, output cable also can produce a voltage wave U to propagate to output, because open circuit reflects after arriving output, and propagate to isolation capacitance and switch place, after voltage wave, voltage becomes 2U, occur at switch place more afterwards due to the negative reflection of short circuit, voltage wave is propagated back and forth, if output cable is initially in 0 current potential, in theory output there will be the square wave that voltage magnitude is 2U, polarity is contrary with charging voltage, pulsewidth is that voltage wave is through energy storage cable and the twice of output cable time.
The utility model compared with prior art, has following advantage and beneficial effect:
The multichannel high voltage pulse generation device of a kind of cable energy storage of 1 the utility model, discharged by spiral line pulse generator trigger switch, coaxial energy storage cable inner core potential jump, exports high-voltage pulse through isolation capacitance, export pulse climbing speed very fast, can 20kV/ns be reached, shake low, be no more than 2ns, there is stronger antijamming capability, and be easily extended to multiple-channel output, export pulse amplitude and can reach hundred kV, the rise time is a few ns; In terms of existing technologies, there is obvious progress;
The multichannel high voltage pulse generation device of a kind of cable energy storage of 2 the utility model, export delay jitter less, be less than 2ns, for triggering the pulse power device of tens of roads discharge switch, effectively can reduce the shake of complete machine, because primary helix line pulse generator actuating switch needs higher voltage (a few kV) triggering and conducting, therefore there is the ability of stronger electromagnetism interference, be easily extended to tens of road to export, a multi-way shared switch, have well synchronous.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide the further understanding to the utility model embodiment, forms a application's part, does not form the restriction to the utility model embodiment.In the accompanying drawings:
Fig. 1 is the utility model Integral connection structure schematic diagram;
Fig. 2 is the front view of spiral line pulse generator in the utility model;
Fig. 3 be in Fig. 2 C-C to cutaway view;
Fig. 4 is the vertical view of Fig. 2;
Fig. 5 be in Fig. 4 B-B to cutaway view;
Fig. 6 is the overall structure schematic diagram of the utility model trigger switch;
Fig. 7 be the utility model trigger switch partly cut open structural representation;
Fig. 8 is the external overall structural representation of the utility model isolation capacitance;
Fig. 9 is the vertical view of the utility model isolation capacitance;
Figure 10 be in Fig. 9 A-A to cutaway view;
Figure 11 is the curve that in the utility model embodiment, multiple discharge exports.
Mark and corresponding parts title in accompanying drawing:
1-spiral line pulse generator, 2-charging cable, 3-trigger resistance, 4-energy storage cable, 5-trigger switch, 6-triggers output cable, 7-isolation capacitance, 101-inputs cover plate, 102-exports cover plate, 103-supporting bracket, 104-inner core, 105-urceolus, 106-hurricane band, 107-switch, 108-trigger electrode, 109-earth connection, 110-pulse steeping gap, 501-outer container, 502-upper end cover, 503-silicone rubber pad, 504-insulate inner core, 505-insulated tension pole, 506-charges cover plate, 507-cable input end interface, 508-high-field electrode, 509-trigger electrode, 510-triggers isolated insulation, 511-external series gap insulator, 512-electrode cap, 513-ground electrode, 514-external series gap bottom electrode, 515-external series gap top electrode, 516-energy storage cable interface, 517-charging inlet, 701-fuel tank, 702-upper cover plate, 703-insulation blanket stud, 704-train wheel bridge, 705-lower plate, 706-isolation capacitance, 707-train wheel bridge electrode, 708-lower plate electrode, 709-triggers output cable jack, 710-cable jack, 711-charges intercell connector.
Embodiment
Clearly understand for making the purpose of this utility model, technical scheme and advantage, below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, exemplary embodiment of the present utility model and explanation thereof are only for explaining the utility model, and conduct is not to restriction of the present utility model.
Embodiment
As shown in Figure 1, the multichannel high voltage pulse generation device of a kind of cable energy storage of the utility model, comprise spiral line pulse generator 1, spiral line pulse generator 1 is connected on trigger switch 5 by trigger resistance 3, the charging inlet 517 of trigger switch 5 connects charging cable 2, trigger switch 5 is connected with isolation capacitance 7 by energy storage cable 4, the triggering output cable jack 710 of isolation capacitance 7 is connected with and triggers output cable 6, the present embodiment adopts three grades of activation pattern step by step: the first order is the pulse of amplitude 5kV, for triggering spiral line pulse generator, the second level is that spiral line pulse generator exports about 55kV pulse, the third level is core electric discharge inside and outside energy storage cable, exports 100kV high-voltage pulse at the output cable of the isolation capacitance part other end, wherein the concrete structure of spiral line pulse generator 1 as shown in Figures 2 to 5: comprise the input cover plate 101 and output cover plate 102 that are parallel to each other, exporting cover plate 102 is fixed in supporting bracket 103, supporting bracket 103 is fixed on trigger switch 5 by support bar 111, the inner core 104 of coaxial package is installed between input cover plate 101 and output cover plate 102, urceolus 105, be wound with by two-layer flat copper wire and the two-layer dielectric film hurricane band 106 formed spaced apart in inner core 104 outer felt, connected by switch 107 between the two-layer copper strips of hurricane band 106, adopt cold cathode trigger tube, operating voltage is 3 ~ 5kv, puncture delay jitter and be less than 2ns, input cover plate 101 is provided with two high-tension connectors 112, one of them high-tension connector 112 is connected with the trigger electrode 108 of switch 107, another high-tension connector 112 connects one end of the internal layer copper conductor of hurricane band 106, for charging to 4 ~ 5kV high pressure, the other end of the internal layer copper conductor of hurricane band 106 is unsettled, and one end of the outer copper conductor of hurricane band 106 is by earth connection 109 ground connection, and its other end is connected on the trigger resistance 3 of trigger switch 5 behind pulse steeping gap 110, during the 5kV high pressure that applying polarity is contrary with charging voltage in switch 107 filp-flop stage, switch 107 conducting is discharged, and outer copper conductor connects the high-voltage pulse that trembling gap end produces a 50 ~ 60kV, triggers next trigger switch 5 and discharges, the concrete structure of trigger switch 5 as shown in Figure 6 to 7, comprise the cylindric outer container 501 of a bottom lock and upper end open, the openend of outer container 501 is provided with upper end cover 502 by hexagon socket cap head screw, arrange silicone rubber pad 503 between upper end cover 502 and outer container 501 to carry out sealing and forming closed containing cavity, injection transformer oil in this cavity volume, insulation inner core 504 is provided with in outer container 501, a charging cover plate 506 be fixed on by insulated tension pole 505 on upper end cover 502 is installed in cavity volume, charging cover plate 506 arranges cable input end interface 507, and high-field electrode 508, on charging cover plate 506, cable input end interface 507 is for energy storage cable 4 inner core input and charging cable, energy storage cable inner core charges to about 55kV, the outer core of energy storage cable connects upper end cover 502 and ground connection, charging cable 2 is drawn through charging cable jack, cable input end interface 507 connects the inner core of energy storage cable 4, cable input end interface 507 is connected with energy storage cable 4 by energy storage cable interface 516, trigger electrode 509 is provided with above high-field electrode 508, the top of trigger electrode 509 connects external series gap bottom electrode 514, trigger electrode 509 is fixed on ground electrode 513 by triggering isolated insulation 510, ground electrode 513 is fixedly mounted on upper end cover 502, triggering isolated insulation 510 is provided with external series gap insulator 511, external series gap insulator 511 is provided with electrode cap 512, external series gap top electrode 515 is installed in external series gap insulator 511, external series gap top electrode 515 is connected with trigger resistance 3 through electrode cap 511, the concrete structure of isolation capacitance is as shown in Fig. 8 to Figure 10, comprise the fuel tank 701 of a lower end closed upper end open cylindrical shape, upper cover plate 702 is fixed with by hexagon socket cap head screw at the openend of fuel tank 701, injection transformer oil in fuel tank 701, upper cover plate 702 is connected with by insulation blanket stud 703 train wheel bridge 704 and lower plate 705 that are positioned at fuel tank 701, the isolation capacitance 706 of series connection is installed between train wheel bridge 704 and lower plate 705, train wheel bridge 704 is provided with the train wheel bridge electrode 707 connecting energy storage cable 4 output, lower plate 705 is provided with the lower plate electrode 708 connecting and trigger output cable 6, upper cover plate 702 is also provided with and triggers output cable jack 709, and cable jack 710, connected by charging intercell connector 711 between lower plate electrode 708, draw from cable jack 710 after charging intercell connector 711 connects charging cable, each root triggers output cable can form a road High voltage output, and charging intercell connector connects charging cable and drawn by cable jack 710, and charging cable can apply high pressure according to voltage real needs before subordinate's switch triggering level conducting.
In the present embodiment, 50 ~ 60kV high-voltage pulse that spiral line pulse generator 1 electric discharge produces is applied to switch sections 5 and comprises on trigger electrode 509, its polarity is contrary with high pressure polarity added by energy storage cable inner core, conducting is punctured between trigger electrode 509, ground electrode 513, high-field electrode 508, energy storage cable 4 inner core potential jump, isolation capacitance 706 two ends electrical potential difference can not be suddenlyd change, then trigger current potential on output cable to suddenly change equally, on the output because open circuit reflects, form the opposite polarity high-voltage pulse doubling charging voltage to export, its output pulse width is as follows:
, be wherein the total length of energy storage cable and output cable, the long 10m of energy storage cable in embodiment, the long 5m of output cable, altogether 15m, be voltage wave propagation velocity in the cable, be about 0.2m/ns, pulsewidth is about 150ns in theory; Figure 11 is for filling multiple discharge Output rusults under+55kV condition, and from figure, curve can find out that the output delay jitter of this device is less than 2ns, has stronger antijamming capability, exports pulse amplitude and pulsewidth all meets better with notional result.
Above-described embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only embodiment of the present utility model; and be not used in restriction protection range of the present utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (4)
1. the multichannel high voltage pulse generation device of a cable energy storage, it is characterized in that: comprise spiral line pulse generator (1), spiral line pulse generator (1) is connected on trigger switch (5) by trigger resistance (3), the charging inlet (517) of trigger switch (5) connects charging cable (2), trigger switch (5) is connected with isolation capacitance (7) by energy storage cable (4), the triggering output cable jack (710) of isolation capacitance (7) is connected with and triggers output cable (6).
2. the multichannel high voltage pulse generation device of a kind of cable energy storage according to claim 1, it is characterized in that: described spiral line pulse generator (1) comprises the input cover plate (101) and output cover plate (102) that are parallel to each other, exporting cover plate (102) is fixed in supporting bracket (103), supporting bracket (103) is fixed on trigger switch (5) by support bar (111), the inner core (104) of coaxial package is installed between input cover plate (101) and output cover plate (102), urceolus (105), be wound with by two-layer flat copper wire and the two-layer dielectric film hurricane band (106) formed spaced apart outside inner core (104), connected by switch (107) between the two-layer copper strips of hurricane band (106), described input cover plate (101) is provided with two high-tension connectors (112), one of them high-tension connector (112) is connected with the trigger electrode (108) of switch (107), another high-tension connector (112) connects one end of the internal layer copper conductor of hurricane band (106), the other end of the internal layer copper conductor of hurricane band (106) is unsettled, one end of the outer copper conductor of hurricane band (106) is by earth connection (109) ground connection, its other end is connected on the trigger resistance (3) of trigger switch (5) after pulse steeping gap (110).
3. the multichannel high voltage pulse generation device of a kind of cable energy storage according to claim 1, it is characterized in that: described trigger switch (5) comprises the cylindric outer container (501) of a bottom lock and upper end open, the openend of outer container (501) installs end cap (502), arrange silicone rubber pad (503) between upper end cover (502) and outer container (501) to carry out sealing and forming closed containing cavity, insulation inner core (504) is provided with in outer container (501), a charging cover plate (506) be fixed on by insulated tension pole (505) on upper end cover (502) is installed in cavity volume, described charging cover plate (506) arranges cable input end interface (507), and high-field electrode (508), cable input end interface (507) connects the inner core of energy storage cable (4), energy storage cable (4) outer core connects upper end cover at energy storage cable interface (516) place, be in high-field electrode (508) top and be provided with trigger electrode (509), the top of trigger electrode (509) connects external series gap bottom electrode (514), trigger electrode (509) is fixed on ground electrode (513) by triggering isolated insulation (510), ground electrode (513) is fixedly mounted on upper end cover (502), triggering isolated insulation (510) is provided with external series gap insulator (511), external series gap insulator (511) is provided with electrode cap (512), external series gap top electrode (515) is installed in external series gap insulator (511), external series gap top electrode (515) is connected with trigger resistance (3) through electrode cap (511).
4. the multichannel high voltage pulse generation device of a kind of cable energy storage according to claim 1, it is characterized in that: described isolation capacitance (7) comprises the fuel tank (701) of a lower end closed upper end open cylindrical shape, upper cover plate (702) is fixed with at the openend of fuel tank (701), upper cover plate (702) is connected with by insulation blanket stud (703) train wheel bridge (704) and lower plate (705) that are positioned at fuel tank (701), the isolation capacitance (706) of series connection is installed between train wheel bridge (704) and lower plate (705), train wheel bridge (704) is provided with the train wheel bridge electrode (707) connecting energy storage cable (4) output, lower plate (705) is provided with the lower plate electrode (708) connecting and trigger output cable (6), upper cover plate (702) is also provided with and triggers output cable jack (709), and cable jack (710), connected by charging intercell connector (711) between described lower plate electrode (708), charging intercell connector (711) is drawn from cable jack (710) after connecting charging cable.
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| CN201420680708.1U CN204145436U (en) | 2014-11-14 | 2014-11-14 | A kind of multichannel high voltage pulse generation device of cable energy storage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104333350A (en) * | 2014-11-14 | 2015-02-04 | 中国工程物理研究院流体物理研究所 | Cable energy-storage multiplex high-voltage pulse generation apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104333350A (en) * | 2014-11-14 | 2015-02-04 | 中国工程物理研究院流体物理研究所 | Cable energy-storage multiplex high-voltage pulse generation apparatus |
| CN104333350B (en) * | 2014-11-14 | 2017-02-22 | 中国工程物理研究院流体物理研究所 | Cable energy-storage multiplex high-voltage pulse generation apparatus |
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