CN104158088A - Cable transmission and multi-module current collection strong pulse current device - Google Patents
Cable transmission and multi-module current collection strong pulse current device Download PDFInfo
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- CN104158088A CN104158088A CN201410425356.XA CN201410425356A CN104158088A CN 104158088 A CN104158088 A CN 104158088A CN 201410425356 A CN201410425356 A CN 201410425356A CN 104158088 A CN104158088 A CN 104158088A
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Abstract
The invention discloses a cable transmission and multi-module current collection strong pulse current device. The device is composed of dozens of low-inductance capacitor/discharge switch/capacitor modules in parallel, hundreds of low-resistance high-voltage coaxial cables are connected to a cable transition turning-connection component in parallel in a transmission mode, and the transmission cables become dozens of ceramic high-voltage cable connecting parts through the cable transition turning-connection component in a transition mode, and therefore energy of the device enters a vacuum experiment target chamber in a transmission mode. Due to different loads, strong pulse currents can be generated, wherein the amplitude value of the currents is 2 MA-3 MA, and the rise time of the currents is 600 ns-800 ns; a strong X-ray radiation source can be generated by metal wire electrical explosion, or nanometer particle materials of metal wire electrical explosion can be prepared, or dynamics behavior research can be performed on plane solenoid drive oblique wave loading materials.
Description
Technical field
The present invention relates to Pulse Power Techniques, dynamic high-pressure science and technology field, specifically refer to the By Impulsive Current device that a kind of cable transmission multimode is confluxed.
Background technology
The By Impulsive Current device of the even tens of megamperes of number megampere is more and more extensive in the application study of material science, be mainly used in the dynamic behavior research of material under the preparation, dynamic load of nano metal material, also can be applicable to the implosion of wire battle array produces strong X-radiation, the implosion of metal solid sleeve and produces strong magnetic pressure oblique wave or impact cylinder compression material sample, obtain the extreme condition of high pressure, high-temperature, study the physico-mechanical properties of material under this state.
At present, the technology path of developing in the world the reusable By Impulsive Current device of this class mainly contains two lines, article one, be the large-scale plant that many medium pulse shaping transmission lines continue and discharge, the Z machine in sub-laboratory, the U.S. Holy Land for example, the PTS device of Fluid Physics Inst., China Engineering Physics Academy.The feature of this class device is that device operating voltage is high, reaches millions of volts (3-6MV); Discharging current is large, is that 10 megamperes are to tens of megamperes; The characteristic impedance of load is large, is the hundreds of milliohms of resistance, the tens of nanohenry profits of inductance; Device volume is large, takes up an area the tens of rice of diameter (30 to 60 meters).Second is that low-inductive capacitor group is in parallel, the compact device of parallel-plate transmission electric discharge, and for example VELOCE, the GEPI in French atom research center in sub-laboratory, the U.S. Holy Land are, the CQ-4 device of Fluid Physics Inst., China Engineering Physics Academy.The feature of this class device is that operating voltage is low, conventionally at 100kV and following; Discharging current is medium, is several megamperes; The characteristic impedance of load is little, and for resistance is counted milliohm, inductance is counted nanohenry profit.This two classes device is widely used at ambits such as material science, dynamic high-pressure physics, high-energy-density physics.
All there is comparatively significantly defect in above-mentioned transmitting device: loop inductance, loop resistance are higher, and the vacuum degree of experimental provision is lower simultaneously, and leak rate is higher, inhomogeneous the inhomogeneous of actuating force that cause of confluxing.
Summary of the invention
The By Impulsive Current device that the object of the present invention is to provide a kind of cable transmission multimode to conflux, solve the higher problem of loop inductance, loop resistance that current experimental provision exists, reach and realize the low inductance in loop, low-resistance impedance operator, obtain the object of peak value megampere, the By Impulsive Current of hundreds of nanoseconds of rise time.
Object of the present invention is achieved through the following technical solutions:
The By Impulsive Current device that a kind of cable transmission multimode is confluxed, comprise many groups discharge switch/capacitor module in parallel, coaxial cable by low impedance, high voltage after the parallel connection of many group discharge switch/capacitor modules is connected to the excessive adapter of cable, and cable transition adapter is connected with vacuum target chamber by ceramic high-tension cable connector.The present invention adopts a plurality of low-inductive capacitor/discharge switch/capacitor modules to compose in parallel, then by the parallel connection of hundreds of Low ESR high voltage coaxial cables, transfer to cable transition adapter, by this cable transition adapter, by hundreds of transmission cable transition, be tens of ceramic high-tension cable connectors, device Energy Transfer is entered to experiment vacuum target chamber, difference because of load, in this vacuum target chamber, can carry out discharge-induced explosion wiry and produce strong x-ray radiation source, the preparation of wire discharge-induced explosion nano-particle material, or Electromagnetic Drive plane oblique wave loads material kinetics behavioral study.The feature of this By Impulsive Current device is i.e. low inductance and low resistance of whole loop Low ESR, the about 10nH of whole loop inductance, resistance 2-4mW.For the Low ESR design in implement device loop, the mentality of designing that this device takes low-impedance device multi-channel parallel to conflux; For ease of device target chamber extracting vacuum, device Energy Transfer adopts the low impedance, high voltage coaxial cable of particular design to carry out simultaneously, and the transmission cable of device energy storage section output reaches more than 200 roots, and in parallel use, to reduce the impedance of hop; For ease of transmission cable, enter target chamber, adopt cable transition adapter that hundreds of Splices cables are transitted to tens of and enter target chamber; For solving the sealing problem of target chamber, realize condition of high vacuum degree, the transmission cable adaptor that enters target chamber is custom-designed Low ESR pottery high-tension cable connector, and this ceramic connecting piece can be born the above high voltage of 50kV, and leak rate is not more than 1*10
-10pa * m
3/ s.During work, with high-voltage power source, to the energy storage capacitor of device, charge to and realize default voltage 60-100kV, then the high-voltage pulse trigger of multichannel output is exported the pulse voltage of 100-120kV, the discharge switch of trigger equipment, discharge switch conducting, device is stored in the energy moment of capacitor: submicrosecond to microsecond discharges, and by low impedance, high voltage cable transmission, gives the load that is positioned at vacuum target chamber as short circuit parallel-plate electrode, silk battle array, metal sleeve etc., realizes predetermined goal in research.
Described discharge switch/capacitor module comprises module carrier, and a plurality of energy storage capacitors are installed on module carrier, and three electrode field distortion discharge switches and ground protection resistance are installed on energy storage capacitor.Three electrode field distortion switchs are mainly used in testing front spacer assembly energy storage component and transmission line, and in the course of work, will install energy storage and discharge to load.Ground protection resistance is for the residual charge of the transmission cable of releasing, to protect operator safety.
Three electrode field distortion discharge switches comprise the capacitor high-field electrode adaptor being arranged on energy storage capacitor, be sleeved on the switch high-pressure electrode on capacitor high-field electrode adaptor, be sleeved on the switch insulation cylinder in switch high-pressure electrode outside, switch insulation cylinder is arranged in switch ground metal cylinder, in switch insulation cylinder, be provided with a boss, switch ground electrode circle is installed on this boss, on switch ground electrode circle, by switch metal ground cover plate, be installed with a switch insulator, on switch insulator, be provided with the output cable interface channel that an interface rings with switch ground electrode circle matches, in switch ground electrode circle inner side, a switch ground electrode sheet is installed, a switch triggering electrode is installed below the middle part of switch insulator, switch high-pressure electrode, trigger electrode becomes coaxial shape with ground electrode, / 3rd positions of trigger electrode distance ground electrode between switch high-pressure electrode and ground electrode, while not applying external trigger voltage, switch is in off-state, when applying amplitude and reach 100kV and the polarity trigger voltage contrary with energy storage capacitor charging voltage, because electric field distortion causes switch conduction electric discharge.The rated voltage 120kV of capacitor, operating voltage 60-100kV; Cable output discharge switch working media is dry air, inner gas pressure is not more than 0.5MPa, operating voltage 60-100kV, during work, by the polarity fast climbing contrary with capacitor group charging voltage, high pulse voltage, trigger electric discharge, switching cable output channel is filled with insulating transformer oil, the edge flashing when preventing from discharging.The operation principle of this field distortion discharge switch is: when energy-storage pulsed capacitor is filled reverse voltage U0, the current potential of discharge switch high-field electrode is also U0, trigger electrode is positioned at 1/3 position of high-field electrode and output ground electrode, in energy-storage pulsed capacitor charging time, is to 1/3 current potential of trigger electrode, therefore the current potential of trigger electrode is U0/3, when high-voltage pulse generator is given a positive pulse voltage U, after external series gap triggering between high-voltage pulse trigger and trigger electrode is punctured, trigger electrode open circuit forms the pulse of obtain-4U0/3 of total reflection, therefore the voltage between high-field electrode and trigger electrode can become 7U0/3, voltage between trigger electrode and output ground electrode can become 4 U0/3, electric field between two electrodes distorts simultaneously, make the rapid conducting electric discharge of switch.
Described coaxial cable comprises from inside to outside the coaxial cable filled core of suit, inner conductor, the interior semi-conductive layer of coaxial cable successively, insulation, coaxial cable polytetrafluoroethylene and polyester belt, coaxial cable polyethylene external insulation layer, coaxial cable outer semiconducting layer, coaxial cable outer conductor, coaxial cable pe sheath in coaxial cable polyethylene.This coaxial cable is mainly used in transmitting device energy, designing requirement is Low ESR, bear high-voltage direct-current 120kV and large electric current 50kA-100kA, for realizing above-mentioned design objective, the coaxial configuration of ad hoc meter multilayer like this, center high-field electrode and externally electrode are all designed to hollow cylindrical, and each is compound with one deck semi-conductive layer, further to reduce the radius ratio between coaxial configuration, and then the inductance of reduction cable.
Described ceramic high-tension cable connector comprises the ceramic bottle of inner hollow, at the two ends of ceramic bottle, be separately installed with ceramic high-voltage cable connector high-field electrode brace, pottery high-voltage cable connector metal adpting flange, on ceramic high-voltage cable connector high-field electrode brace, be threaded connection ceramic high-voltage cable connector cable high-field electrode switching that is positioned at ceramic bottle, cable divests coaxial cable pe sheath, after the cable ground electrode that coaxial cable outer semiconducting layer and coaxial cable outer conductor form, insert ceramic bottle, between coaxial cable polyethylene external insulation layer and ceramic bottle, fill filling glue.Adopt ceramic high-tension cable connector to be connected with vacuum target chamber with cable transition adapter, enter symmetrically target chamber, and ceramic high-tension cable connector can guarantee that target chamber realizes high vacuum, vacuum degree is higher than 0.1Pa, and guarantee target chamber less leakage rate, be not more than 1.5*10
-7pa * m
3/ s.As the connector important with vacuum target chamber, and reach tens of, for guaranteeing target chamber high vacuum and less leakage rate, the ceramic bottle of pottery high-tension cable connector adopts metal and ceramic welding design with being connected of the high-field electrode of cable and ground electrode, and carry out embedding with the High-Voltage Insulation glue of good fluidity, to guarantee good insulating properties and less leakage rate, the leak rate of single-piece pottery high-tension cable connector is not more than 1*10
-10pa * m
3/ s.High piezoelectric ceramics cable connector is used metal flange be connected with rubber seal and seal.
Described cable transition adapter comprises the transition adapter high-field electrode that is provided with cable socket, in the cavity that is arranged on nylon insulator and the formation of nylon insulation cover plate of transition adapter high-field electrode, on nylon insulator, be provided with the sealed nylon cover matching with cable socket, nylon insulator is arranged in transition adapter ground housing, and utilizes transition adapter ground cover plate for sealing to fix.This cable transition adapter is mainly used in hundreds of output cable transition switchings of capacitor/discharge switch/capacitor module group to enter vacuum target chamber with tens of ceramic high-tension cable connectors.The high-field electrode of this transition adapter utilizes duralumin materials processing to form, and one side is designed with hundreds of cable connector mouths, is connected with the high-field electrode of transmission cable; Another side is connected with the high-field electrode of ceramic high-tension cable.Transition adapter high-field electrode is placed in the insulation tank of a nylon or polythene material, and outside is the ground electrode housing that duralumin material is made, and wherein pours into insulating transformer oil, for increasing insulating capacity and edge flashing distance.As a vitals in device transmission line, this cable transition adapter need to design assurance Low ESR, and inductance is not more than 2nH, and resistance is at 1-2mW or lower.
Described vacuum target chamber comprises the upper container body connecting by vessel flange, lower container body, on upper container body, be provided with observation window, upper test port, on lower container body, be provided with lower observation window, lower test port, on lower container body, be provided with cable interface channel, in lower container body, be provided with the vacuum target chamber high-field electrode transition rings of suit successively, vacuum target chamber high-field electrode, vacuum target chamber is installed below vacuum target chamber high-field electrode and connects ground electrode, the vacuum target chamber insulation supporting cylinder being fixed in upper container body is installed on vacuum target chamber high-field electrode, on the lower container body inwall above cable interface channel, vacuum target chamber insulating cylinder is installed.Vacuum target chamber of the present invention is a multi-functional target chamber, the one, and for being installed, experiment load tests, play the effect of security protection, guarantee that some test required vacuum environment requirement simultaneously; The 2nd, this target chamber is designed to less leakage rate, to forming aerocolloidal experiment material after some experiments, can play buffer action, the safety of Protection personnel and environment.For realizing correlation function, during design, need guarantee that all structures of target chamber possess leak rate and are not more than 1*10
-9pa * m
3/ s or lower less leakage rate requirement.Wherein most important difficult point is and being connected of tens of transmission cables.The present invention has designed the ceramic high-tension cable connector of unique low impedance, high voltage coaxial transmission cable and less leakage rate, to meet the functional design requirements of vacuum target chamber.
The present invention compared with prior art, has following advantage and beneficial effect:
The By Impulsive Current device that a kind of cable transmission multimode of 1 the present invention is confluxed, can the low inductance in implement device loop, low-resistance impedance operator, obtain outside peak value megampere, the By Impulsive Current of hundreds of nanoseconds of rise time, adopt the project organization of low impedance, high voltage coaxial cable transmission, have the experimental situation that makes device can realize high vacuum, less leakage rate, the experiment that is conducive to more specific (special) requirements is carried out;
The By Impulsive Current device that a kind of cable transmission multimode of 2 the present invention is confluxed, due to its symmetrical bus structure, the even implosion that both can realize wire battle array and metal sleeve drives, for wire battle array or the research of sleeve implosion dynamics; Can realize again planar magnetic and drive oblique wave to load, for the dynamic behavior research of material;
The By Impulsive Current device that a kind of cable transmission multimode of 3 the present invention is confluxed, utilizes the large stream of pulse and the high vacuum environment of its generation, can realize the preparation of wire discharge-induced explosion nano-particle material.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide the further understanding to the embodiment of the present invention, forms the application's a part, does not form the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is the whole status architecture schematic diagram that uses of the present invention;
Fig. 2 is the present invention's three electrode field distortion discharge switch structural representations;
Fig. 3 is the coaxial cable structure schematic diagram of low impedance, high voltage of the present invention;
Fig. 4 is the structural representation of cable transition adapter of the present invention;
Fig. 5 be in this Fig. 4 A-A to cutaway view;
Fig. 6 is that the present invention's pottery high-tension cable connector partly cuts open structural representation;
Fig. 7 is vacuum target chamber structural representation of the present invention;
Fig. 8 is that vacuum target chamber of the present invention partly cuts open structural representation;
Fig. 9 is the short circuit dischange current curve under the different charging voltages of apparatus of the present invention.
Mark and corresponding parts title in accompanying drawing:
1-module carrier, 2-ground protection resistance, 3-energy storage capacitor, 5-coaxial cable, 7-cable transition adapter, 11-pottery high-tension cable connector, 14-switch metal ground cover plate, 15-switch ground metal cylinder, 16-switch insulation cylinder, 17-switch insulator, 18-output cable interface channel, 19-switch triggering electrode, 20-switch ground electrode circle, 21-switch ground electrode sheet, 22-switch high-pressure electrode, 23-capacitor high-field electrode adaptor, 25-coaxial cable filled core, 26-inner conductor, semi-conductive layer in 27-coaxial cable, insulation in 28-coaxial cable polyethylene, 28-coaxial cable polytetrafluoroethylene and polyester belt, 30-coaxial cable polyethylene external insulation layer, 31-coaxial cable outer semiconducting layer, 32-coaxial cable outer conductor, 33-coaxial cable pe sheath, 34-transition adapter ground housing, 35-sealed nylon cover, 36-cable socket, 37-nylon insulator, 38-transition adapter high-field electrode, 39-nylon insulation cover plate, 40-transition adapter ground cover plate, 41-pottery high-voltage cable connector high-field electrode brace, 42-pottery high-voltage cable connector cable high-field electrode switching, the filling glue of 43-, 44-ceramic bottle, 45-pottery high-voltage cable connector metal adpting flange, 51-vacuum target chamber upper container body cover plate, 52-upper container body, the upper observation window of 53-, the upper test port of 54-, 55-vessel flange, 57-vacuum target chamber insulation supporting cylinder, 58-vacuum target chamber insulating cylinder, 59-vacuum target chamber high-field electrode, 60-cable interface channel, 61-vacuum target chamber high-field electrode transition rings, 62-vacuum target chamber connects ground electrode, container body under 63-, observation window under 64-, test port under 65-.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, and exemplary embodiment of the present invention and explanation thereof are only for explaining the present invention, not as a limitation of the invention.
Embodiment
As shown in Fig. 1 to 8, the By Impulsive Current device that a kind of cable transmission multimode of the present invention is confluxed, comprise four groups of discharge switch/capacitor modules, every group of discharge switch/capacitor module includes a module carrier 1, module carrier 1 adopts frame structure, its bottom is provided with roller and is convenient to carry out, on each module carrier 1, be all placed with eight energy storage capacitors 3, three electrode field distortion discharge switches are installed on energy storage capacitor 3, and ground protection resistance 2, ground protection resistance 2, by module carrier 1 ground connection, wherein three electrode field distortion discharge switches comprise the capacitor high-field electrode adaptor 23 being arranged on energy storage capacitor 3, be sleeved on the switch high-pressure electrode 22 on capacitor high-field electrode adaptor 23, be sleeved on the switch insulation cylinder 16 in switch high-pressure electrode 22 outsides, switch insulation cylinder 16 is arranged in switch ground metal cylinder 15, in switch insulation cylinder 16, be provided with a boss, switch ground electrode circle 20 is installed on this boss, on switch ground electrode circle 20, by switch metal ground cover plate 14, be installed with a switch insulator 17, on switch insulator 17, be provided with the output cable interface channel 18 that an interface rings with switch ground electrode circle 20 matches, in switch ground electrode circle 20 inner sides, a switch ground electrode sheet 21 is installed, a switch triggering electrode 19 is installed below the middle part of switch insulator 17, switch high-pressure electrode 22, 21 one-tenth coaxial shape designs of trigger electrode 19 and ground electrode and installation, / 3rd positions of trigger electrode distance ground electrode between high-field electrode and ground electrode, while not applying external trigger voltage, switch is in off-state, when applying amplitude and reach 100kV and the polarity trigger voltage contrary with energy storage capacitor charging voltage, because electric field distortion causes switch conduction electric discharge, at the interior incoming coaxial cable 5 of output cable interface channel 18, coaxial cable 5 comprises from inside to outside the coaxial cable filled core 25 of suit successively, inner conductor 26, semi-conductive layer 27 in coaxial cable, insulation 28 in coaxial cable polyethylene, coaxial cable polytetrafluoroethylene and polyester belt 29, coaxial cable polyethylene external insulation layer 30, coaxial cable outer semiconducting layer 31, coaxial cable outer conductor 32, coaxial cable pe sheath 33, the other end of coaxial cable 5 is inserted to the cable socket 36 of the excessive adapter 7 of cable, cable transition adapter 7 integral body in the form of a ring, comprise transition adapter high-field electrode 38, in the cavity that is arranged on nylon insulator 37 and 39 formation of nylon insulation cover plate of transition adapter high-field electrode 38, on nylon insulator 37, be provided with the sealed nylon cover 35 matching with cable socket 36, nylon insulator 37 is arranged in transition adapter ground housing 34, and utilize cover plate 40 sealings of transition adapter ground fixing, on nylon insulation cover plate 39, be provided with cable socket, inner side at cable transition adapter 7 is provided with interface, this interface and ceramic high-tension cable connector 11 match, pottery high-tension cable connector 11 comprises the ceramic bottle 44 of inner hollow, at the two ends of ceramic bottle 44, be separately installed with ceramic high-voltage cable connector high-field electrode brace 41, pottery high-voltage cable connector metal adpting flange 45, on ceramic high-voltage cable connector high-field electrode brace 41, be threaded connection ceramic high-voltage cable connector cable high-field electrode switching 42 that is positioned at ceramic bottle 44, cable divests coaxial cable pe sheath 33, after the cable ground electrode that coaxial cable outer semiconducting layer 31 and coaxial cable outer conductor 32 form, insert ceramic bottle 44, between coaxial cable polyethylene external insulation layer 30 and ceramic bottle 44, fill filling glue 43, pottery high-voltage cable connector cable high-field electrode switching son 42 is connected to the vacuum target chamber high-field electrode 59 of vacuum target chamber by ceramic high-voltage cable connector high-field electrode brace 41, vacuum target chamber comprises the upper container body 52 connecting by vessel flange 55, lower container body 63, on upper container body 52, be provided with observation window 53, upper test port 54, on lower container body 63, be provided with lower observation window 64, lower test port 65, on lower container body 63, be provided with cable interface channel 60, in lower container body 63, be provided with the vacuum target chamber high-field electrode transition rings 61 of suit successively, vacuum target chamber high-field electrode 59, vacuum target chamber is installed below vacuum target chamber high-field electrode 59 and connects ground electrode 62, the vacuum target chamber insulation supporting cylinder 57 being fixed in upper container body 52 is installed on vacuum target chamber high-field electrode 59, lower container body 63 inwall mountains above cable interface channel 60 are provided with vacuum target chamber insulating cylinder 58.The electrical quantity in whole device of the present invention loop is: energy storage capacitance C=0.6mF*32=19.2mF, short circuited inductance L=11nH and resistance R=3.44mW; When device operating voltage is respectively 70kV, 85kV and 90kV, obtaining amplitude A is that 2.55MA, 3.2MA and 3.5MA, rise time Tr are the By Impulsive Current of 700ns (0-100%), as shown in Figure 9.Utilize above-mentioned By Impulsive Current, can carry out discharge-induced explosion wiry and prepare the researchs such as nano material, wire battle array or sleeve implosion dynamics and the behavior of planar magnetic driving oblique wave loading material kinetics.
The several megampere pulse currents that utilize apparatus of the present invention to produce, carry out the implosion dynamics research of metal sleeve.When the large electric current of 3.5MA during to 1.5mm, obtains the magnetic pressure of 85GPa by the sleeve compresses of initial inside diameter 5mm in sample, for plane magnetic pressure loads, be a kind of more efficient load mode, can be used for the state equation research of material under high pressure:
。
Above-described embodiment; object of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only the specific embodiment of the present invention; the protection range being not intended to limit the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (7)
1. the By Impulsive Current device that cable transmission multimode is confluxed, comprise many groups discharge switch/capacitor module in parallel, it is characterized in that: organize the coaxial cable (5) by low impedance, high voltage after the parallel connection of discharge switch/capacitor module more and be connected to the excessive adapter of cable (7), cable transition adapter (7) is connected with vacuum target chamber by ceramic high-tension cable connector (11).
2. the By Impulsive Current device that a kind of cable transmission multimode according to claim 1 is confluxed; it is characterized in that: described discharge switch/capacitor module comprises module carrier (1); a plurality of energy storage capacitors (3) are installed on module carrier (1), three electrode field distortion discharge switches and ground protection resistance (2) are installed on energy storage capacitor (3).
3. the By Impulsive Current device that a kind of cable transmission multimode according to claim 2 is confluxed, it is characterized in that: three electrode field distortion discharge switches comprise the capacitor high-field electrode adaptor (23) being arranged on energy storage capacitor (3), be sleeved on the switch high-pressure electrode (22) on capacitor high-field electrode adaptor (23), be sleeved on the switch insulation cylinder (16) in switch high-pressure electrode (22) outside, switch insulation cylinder (16) is arranged in switch ground metal cylinder (15), in switch insulation cylinder (16), be provided with a boss, switch ground electrode circle (20) is installed on this boss, at switch ground electrode circle (20), above by switch metal ground cover plate (14), be installed with a switch insulator (17), on switch insulator (17), be provided with the output cable interface channel (18) that an interface rings with switch ground electrode circle (20) matches, in switch ground electrode circle (20) inner side, a switch ground electrode sheet (21) is installed, below, middle part at switch insulator (17) is provided with a switch triggering electrode (19), switch high-pressure electrode (22), trigger electrode (19) becomes coaxial shape with ground electrode (21), trigger electrode (19) is positioned at 1/3rd positions of distance ground electrode (21) between switch high-pressure electrode (22) and ground electrode, while not applying external trigger voltage, switch is in off-state, when applying amplitude and reach 100kV and the polarity trigger voltage contrary with energy storage capacitor charging voltage, because electric field distortion causes switch conduction electric discharge.
4. the By Impulsive Current device that a kind of cable transmission multimode according to claim 1 is confluxed, it is characterized in that: described coaxial cable (5) comprises from inside to outside the coaxial cable filled core (25) of suit, inner conductor (26), the interior semi-conductive layer (27) of coaxial cable successively, insulation (28), coaxial cable polytetrafluoroethylene and polyester belt (29), coaxial cable polyethylene external insulation layer (30), coaxial cable outer semiconducting layer (31), coaxial cable outer conductor (32), coaxial cable pe sheath (33) in coaxial cable polyethylene.
5. the By Impulsive Current device that a kind of cable transmission multimode according to claim 4 is confluxed, it is characterized in that: described ceramic high-tension cable connector (11) comprises the ceramic bottle (44) of inner hollow, at the two ends of ceramic bottle (44), be separately installed with ceramic high-voltage cable connector high-field electrode brace (41), pottery high-voltage cable connector metal adpting flange (45), on ceramic high-voltage cable connector high-field electrode brace (41), be threaded connection ceramic high-voltage cable connector cable high-field electrode switching (42) that is positioned at ceramic bottle (44), cable divests coaxial cable pe sheath (33), after the cable ground electrode that coaxial cable outer semiconducting layer (31) and coaxial cable outer conductor (32) form, insert ceramic bottle (44), between coaxial cable polyethylene external insulation layer (30) and ceramic bottle (44), fill filling glue (43).
6. the By Impulsive Current device that a kind of cable transmission multimode according to claim 1 is confluxed, it is characterized in that: described cable transition adapter (7) comprises the transition adapter high-field electrode (38) that is provided with cable socket (36), in the cavity that is arranged on nylon insulator (37) and nylon insulation cover plate (39) formation of transition adapter high-field electrode (38), on nylon insulator (37), be provided with the sealed nylon cover (35) matching with cable socket (36), nylon insulator (37) is arranged in transition adapter ground housing (34), and utilize transition adapter ground cover plate (40) sealing fixing.
7. the By Impulsive Current device that a kind of cable transmission multimode according to claim 1 is confluxed, it is characterized in that: described vacuum target chamber comprises the upper container body (52) connecting by vessel flange (55), lower container body (63), on upper container body (52), be provided with upper observation window (53), upper test port (54), on lower container body (63), be provided with lower observation window (64), lower test port (65), on lower container body (63), be provided with cable interface channel (60), in lower container body (63), be provided with the vacuum target chamber high-field electrode transition rings (61) of suit successively, vacuum target chamber high-field electrode (59), in vacuum target chamber high-field electrode (59) below, vacuum target chamber is installed and connects ground electrode (62), the vacuum target chamber insulation supporting cylinder (57) being fixed in upper container body (52) is installed on vacuum target chamber high-field electrode (59), lower container body (63) inwall mountain in cable interface channel (60) top is provided with vacuum target chamber insulating cylinder (58).
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| CN107786115A (en) * | 2018-01-09 | 2018-03-09 | 中国工程物理研究院流体物理研究所 | A kind of compact pulse high current device |
| CN109340375A (en) * | 2018-11-29 | 2019-02-15 | 云南北方昆物光电科技发展有限公司 | A kind of circuit feedthrough and its installation sealing structure |
| CN110022083A (en) * | 2019-05-14 | 2019-07-16 | 中国工程物理研究院流体物理研究所 | A kind of Impulsive Current device by transmission cable peaking electric current |
| CN114142540A (en) * | 2021-12-06 | 2022-03-04 | 哈尔滨工业大学 | Expandable and load-variable combined connection method of pulse high-current device |
| CN114221182A (en) * | 2021-12-17 | 2022-03-22 | 哈尔滨工业大学 | Variable polarity confluence wire connector for transmitting pulse large current to vacuum chamber |
| CN114421257A (en) * | 2022-01-27 | 2022-04-29 | 哈尔滨工业大学 | Wiring method for restraining electromagnetic impact force in high vacuum environment |
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| CN107786115A (en) * | 2018-01-09 | 2018-03-09 | 中国工程物理研究院流体物理研究所 | A kind of compact pulse high current device |
| CN107786115B (en) * | 2018-01-09 | 2024-06-14 | 中国工程物理研究院流体物理研究所 | Compact type pulse high-current device |
| CN109340375A (en) * | 2018-11-29 | 2019-02-15 | 云南北方昆物光电科技发展有限公司 | A kind of circuit feedthrough and its installation sealing structure |
| CN110022083A (en) * | 2019-05-14 | 2019-07-16 | 中国工程物理研究院流体物理研究所 | A kind of Impulsive Current device by transmission cable peaking electric current |
| CN110022083B (en) * | 2019-05-14 | 2020-04-03 | 中国工程物理研究院流体物理研究所 | Strong pulse current device for peaking current through transmission cable |
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| CN114142540B (en) * | 2021-12-06 | 2022-09-13 | 哈尔滨工业大学 | Expandable and load-variable combined connection method of pulse high-current device |
| GB2613673A (en) * | 2021-12-06 | 2023-06-14 | Harbin Inst Technology | Expandable and variable combined connection method of load for pulsed high current generator |
| GB2613918A (en) * | 2021-12-17 | 2023-06-21 | Harbin Inst Technology | Polarity-variable bus connector for transmitting pulsed high current into vacuum chamber |
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