CN109714028B - Modular coaxial compact Marx generator - Google Patents
Modular coaxial compact Marx generator Download PDFInfo
- Publication number
- CN109714028B CN109714028B CN201910188670.3A CN201910188670A CN109714028B CN 109714028 B CN109714028 B CN 109714028B CN 201910188670 A CN201910188670 A CN 201910188670A CN 109714028 B CN109714028 B CN 109714028B
- Authority
- CN
- China
- Prior art keywords
- pfn
- voltage
- plate
- low
- tool
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Generation Of Surge Voltage And Current (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention provides a modular coaxial compact Marx generator, which comprises a PFN forming module, an upper tool, a lower tool, a cover plate, an outer cylinder, a left fixing plate and a right fixing plate, wherein the PFN forming module is arranged on the upper tool; the PFN forming module is fixed between the upper tool and the lower tool; the outer cylinder is sleeved outside the upper tool and the lower tool; the left and right fixing plates are arranged on two sides of the outer cylinder; the top of the outer cylinder is provided with a cover plate; the cover plate is positioned right above the upper part tool. The scheme has the advantages of simple and reliable structure, convenient parameter adjustment, saving of an independent spark gap switch cavity structure and an air circuit, realization of structural compactness, greatly shortened installation and maintenance time compared with the traditional structure, improvement of working efficiency and great contribution to practical popularization of the pulse power technology.
Description
Technical Field
The invention relates to a pulse power generation device, in particular to a modular coaxial compact Marx generator.
Background
The Marx generator is a common pulse power device, and the basic principle of the traditional Marx generator is that a gas switch is triggered to carry out series discharge after a capacitor is charged and stored with energy in a parallel connection mode, so that high-voltage pulse output with single-stage charging voltage N times (N is the number of the Marx generator stages) and amplitude up to hundreds of kilovolts or even megavolts is obtained. The Marx generator has a remarkable voltage doubling effect and higher energy transfer efficiency compared with a Tesla transformer and the like, and is widely applied to various engineering fields. In recent years, various application scenarios have put higher demands on the output voltage, the pulse front, the volume weight, the maintainability and the like of the Marx generator.
The disc binary compact Marx generator with the publication number of 104218922B, the disc quaternary compact Marx generator with the publication number of 104218923B and the Marx generator with the compact structure with the publication number of 108111147A all adopt capacitors which are connected in parallel and combined into a capacitor with a larger capacitance value, and the design has the advantages of flexibility and convenience in capacitance value selection and more compact structure. The generator has more complex structural design and more internal circuits, and puts higher requirements on insulation under the high-voltage working condition.
The utility model discloses a use the solid-state line of annular ceramic to replace the electric capacity in traditional Marx generator among the pulse power device based on the solid-state line of annular ceramic of publication number "104135250B", realize the function of energy storage and pulse forming simultaneously, the annular surface of each annular pulse formation line is provided with a gas switch electrode, the gas switch electrode on two adjacent annular pulse formation line surfaces forms the switch, annular pulse formation line passes through gas switch and superposes together in proper order and forms a column structure, the inductance that charges passes the inner ring setting of annular pulse formation line in the inside of column structure, be provided with annular insulation board between every two annular pulse formation lines, adopt insulating screw to connect between the adjacent insulating board. The whole pulse power device is coaxially arranged in the cylindrical metal outer cylinder and is insulated by high-pressure gas. The invention can obtain MV level high voltage output, can obtain pulse leading edge less than 10ns, and has greatly reduced volume and weight compared with other structures. The annular ceramic solid lines in the design are formed by firing in batches, and the capacitance and inductance parameters and the like of the annular ceramic solid lines are inconvenient to debug and change. The multi-stage annular pulse forming lines are connected into a whole by adopting insulating screws, and the whole pulse power device has to be disassembled to finish inspection and replacement after a certain component is damaged in the working process. In addition, the hard connection mode has poor anti-vibration effect and can not meet the requirements of long-distance transportation and certain platform applications.
Disclosure of Invention
The invention aims to provide a technical scheme of a modularized coaxial compact Marx generator aiming at the defects in the prior art, the scheme adopts the mode of connecting a PFN module and a charging inductor between modules, which is changed from the traditional welding into the crimping, and a PFN forming module replaces a capacitor in the traditional Marx, so that the modularized coaxial compact Marx generator can effectively adapt to the vibration in the transportation process, has the shock absorption effect, is easy to overhaul and maintain, shortens the installation and overhaul time and improves the working efficiency.
The scheme is realized by the following technical measures:
a modularized coaxial compact Marx generator comprises a PFN forming module, an upper tool, a lower tool, a cover plate, an outer cylinder, a left fixing plate and a right fixing plate; the PFN forming module is fixed between the upper tool and the lower tool; the outer barrel is sleeved outside the upper tool and the lower tool; the left and right fixing plates are arranged on two sides of the outer cylinder; the top of the outer cylinder is provided with a cover plate; the cover plate is positioned right above the upper part tool.
The scheme is preferably as follows: the PFN forming module comprises a PFN high-voltage pole plate, a PFN low-voltage pole plate, a high-voltage ceramic capacitor, a PFN low-voltage contact point, a PFN high-voltage contact point and a spark gap switch; the high-voltage ceramic capacitor is clamped between the PFN high-voltage pole plate and the PFN low-voltage pole plate, and the positive electrode and the negative electrode of the ceramic capacitor are respectively connected to the PFN high-voltage pole plate and the PFN low-voltage pole plate; the PFN low-voltage polar plate and the PFN high-voltage polar plate are fixed through a nylon fastener; the top of the PFN low-voltage polar plate is provided with a PFN low-voltage contact point; a PFN high-voltage contact point is arranged at the bottom of the PFN high-voltage polar plate; the high-voltage pole and the low-voltage pole of the spark gap switch are correspondingly arranged on the same side of the PFN high-voltage pole plate and the PFN low-voltage pole plate.
The scheme is preferably as follows: the lower tool comprises a lower supporting plate, a lower PFN module clamping groove, an inductance connecting copper sheet, an inductance clamping groove and a charging inductor; the inductance clamping groove is axially arranged on the surface of the middle part of the lower supporting plate; the lower PFN module clamping groove is radially arranged on two sides of the inductor clamping groove; a plurality of charging inductors connected in parallel are arranged in the inductor clamping grooves; the inductor connecting copper sheet is arranged in the lower PFN module clamping groove and connected with two ends of the charging inductor; the inductance connecting copper sheet is correspondingly connected with the PFN high-voltage pole contact point.
The scheme is preferably as follows: the upper tool comprises an upper supporting plate, an upper PFN module clamping groove and a connecting copper sheet; the upper PFN module clamping groove is arranged on the surface of the upper supporting plate and corresponds to the slotting position of the lower PFN module; a connecting copper sheet is arranged inside the upper PFN module clamping groove; the connecting copper sheet is connected with the PFN low-voltage contact point on the low-voltage polar plate.
The scheme is preferably as follows: the outer cylinder is internally provided with a clamping plate.
The beneficial effect of this scheme can learn according to the statement to above-mentioned scheme, because adopt in this scheme to install PFN forming module, the inductance that charges at different levels respectively in the draw-in groove in upper portion frock, the lower part frock and realize the electricity and connect as the inner core, then pack the inner core into the urceolus, fill insulating gas in the urceolus for Marx generator during operation satisfies high pressure resistant demand. In the aspect of spatial distribution, the modules are arranged in the outer barrel of the generator in two rows in a crossed manner, so that the space is saved, the compactness and the miniaturization are realized, and the uniform distribution of an electric field in the generator is facilitated. In order to improve the convenience of maintenance, the connection mode of the charging inductor between the PFN module and the module is changed from traditional welding to crimping. The PFN type energy storage and forming module replaces a capacitor in the traditional Marx, and each module is composed of a high-voltage electrode copper plate, a low-voltage electrode copper plate and a multi-channel high-voltage ceramic capacitor connected in parallel between the copper plates. The positive electrode and the negative electrode of the ceramic capacitor are fixedly arranged on the module high-low voltage electrode copper plate through copper screws. The PFN stores energy through the capacitor, and a high-voltage pulse signal which is jointly determined by the capacitance value, the capacitance internal inductance and the copper plate inductance and meets the requirements of pulse width and pulse leading edge is formed in the discharging process. After spark gap switches among the multi-stage PFN modules are conducted step by step, pulse waveforms output by the modules are superposed and boosted to finally form a near square wave pulse with the pulse width of 100ns and the voltage of MV. The high-voltage electrode and the low-voltage electrode of the switch in the structure are respectively connected to the high-voltage electrode copper plate and the low-voltage electrode copper plate of the PFN module, the cavity structure of a traditional spark gap switch is omitted due to the design, the switch and the Marx generator are jointly gas-insulated, and gas circuits do not need to be respectively designed for the switches, so that the overall structure is more compact and concise. The clamping grooves corresponding to the PFN module in size are formed in the upper part and the lower part of the tool, the PFN module is fixed and limited in the vertical direction and the front-back direction, and meanwhile the effect of insulation and shock absorption in the transportation process is achieved. The left and right side fixing plates realize lateral fixing and limiting of the PFN module, and play roles in insulation and shock absorption in the transportation process.
During maintenance, the cover plate is detached firstly, then the upper part tool is pulled out from the cover plate opening, and then the single-stage PFN module can be directly pulled out from bottom to top for inspection and replacement, so that the whole forming line does not need to be detached all step by step as before.
Therefore, compared with the prior art, the invention has substantive characteristics and progress, and the beneficial effects of the implementation are also obvious.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the PFN molding module assembled in the lower tool.
Fig. 3 is a schematic structural view of a PFN molding module.
Fig. 4 is a schematic structural view of the lower tool.
Fig. 5 is a schematic structural view of the upper tool.
In the figure, 1 is a PFN forming module, 2 is a nylon fastener, 3 is a PFN high-voltage pole plate, 4 is a PFN low-voltage pole plate, 5 is a PFN low-voltage pole contact point, 6 is a high-voltage ceramic capacitor, 7 is a spark gap switch high-voltage pole, 8 is a spark gap switch low-voltage pole, 9 is a PFN high-voltage pole contact point, 10 is a charging inductor, 11 is a lower tool, 12 is a lower PFN module slot, 13 is an inductor connecting copper sheet, 14 is an inductor slot, 15 is a spark gap switch, 16 is a lower support plate, 17 is a left side fixing plate, 18 is a cover plate, 19 is an upper tool, 20 is a right fixing plate, 21 is a clamping plate, 22 is an outer barrel, 23 is an upper support plate, 24 is an upper PFN module slot, and 25 is a connecting copper sheet.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
As shown in the figure, the scheme comprises the following steps:
a modularized coaxial compact Marx generator comprises a PFN forming module, an upper tool, a lower tool, a cover plate, an outer cylinder, a left fixing plate and a right fixing plate; the PFN forming module is fixed between the upper tool and the lower tool; the outer cylinder is sleeved outside the upper tool and the lower tool; the left and right fixing plates are arranged on two sides of the outer cylinder; the top of the outer cylinder is provided with a cover plate; the cover plate is positioned right above the upper part tool. The PFN forming module comprises a PFN high-voltage pole plate, a PFN low-voltage pole plate, a high-voltage ceramic capacitor, a PFN low-voltage contact point, a PFN high-voltage contact point and a spark gap switch; the high-voltage ceramic capacitor is clamped between the PFN high-voltage pole plate and the PFN low-voltage pole plate, and the positive electrode and the negative electrode of the ceramic capacitor are respectively connected to the PFN high-voltage pole plate and the PFN low-voltage pole plate; the PFN low-voltage polar plate and the PFN high-voltage polar plate are fixed through a nylon fastener; the top of the PFN low-voltage polar plate is provided with a PFN low-voltage contact point; a PFN high-voltage contact point is arranged at the bottom of the PFN high-voltage polar plate; the high-voltage pole and the low-voltage pole of the spark gap switch are correspondingly arranged on the same side of the PFN high-voltage pole plate and the PFN low-voltage pole plate. The lower tool comprises a lower supporting plate, a lower PFN module clamping groove, an inductance connecting copper sheet, an inductance clamping groove and a charging inductor; the inductance clamping groove is axially arranged on the surface of the middle part of the lower supporting plate; the lower PFN module clamping grooves are radially arranged on two sides of the inductor clamping groove; a plurality of charging inductors connected in parallel are arranged in the inductor clamping grooves; the inductor connecting copper sheet is arranged in the lower PFN module clamping groove and connected with two ends of the charging inductor; and the inductance connecting copper sheet is correspondingly connected with the PFN high-voltage electrode contact point. The upper tool comprises an upper supporting plate, an upper PFN module clamping groove and a connecting copper sheet; the upper PFN module clamping groove is arranged on the surface of the upper supporting plate and corresponds to the slotting position of the lower PFN module; a connecting copper sheet is arranged in the upper PFN module clamping groove; the connecting copper sheet is connected with a PFN low-voltage level contact point on the low-voltage polar plate. The outer cylinder is internally provided with a clamping plate.
Example (b):
after the PFN forming module is assembled according to the figure 3, the PFN forming module is inserted into an upper tool and a lower tool to form an inner core, the inner core is placed into an outer cylinder from the side surface, a clamping plate tightly clamps the inner core, then a left fixing plate and a right fixing plate are packaged, a cover plate is covered, the inner part of the outer cylinder is guaranteed to be sealed, and insulating gas is filled.
The PFN stores energy through the capacitor, and a high-voltage pulse signal which is determined by the capacitance value, the capacitance internal inductance and the copper plate inductance together and meets the requirements of pulse width and pulse leading edge is formed in the discharging process. After spark gap switches among the multi-stage PFN modules are conducted step by step, pulse waveforms output by the modules are superposed and boosted to finally form a near square wave pulse with the pulse width of 100ns and the voltage of MV.
When overhauing, only need dismantle the apron, then take out upper portion frock from apron mouth, can directly follow and pull out single-stage PFN module from up down and inspect and change after that, and need not like in the past with whole formation line all dismantlement step by step.
The scheme adopts the PFN forming module form of the multi-stage ceramic capacitor connected in parallel between the metal polar plates, and has simple and reliable structure and convenient parameter adjustment. The spark gap switch electrode is integrated to the PFN forming module polar plate, an independent spark gap switch cavity structure and an air path are omitted, and the structure is compact. PFN forming module polar plate and interelectrode inductance adopt contact connected mode for installation and maintenance link adopt the mode of plug can conveniently install and take out PFN forming module, compare with traditional structure, shortened installation and maintenance time widely, improve work efficiency, very be favorable to this pulse power technology's practicality to be promoted.
The invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification and any novel method or process steps or any novel combination of features disclosed.
Claims (4)
1. The utility model provides a compact Marx generator of modularization coaxial-type which characterized by: the PFN forming device comprises a PFN forming module, an upper tool, a lower tool, a cover plate, an outer cylinder, a left fixing plate and a right fixing plate; the PFN forming module is fixed between the upper tool and the lower tool; the outer cylinder is sleeved outside the upper tool and the lower tool; the left and right fixing plates are arranged on two sides of the outer barrel; the top of the outer barrel is provided with a cover plate; the cover plate is positioned right above the upper tool; the PFN forming module comprises a PFN high-voltage polar plate, a PFN low-voltage polar plate, a high-voltage ceramic capacitor, a PFN low-voltage level contact, a PFN high-voltage level contact and a spark gap switch; the high-voltage ceramic capacitor is clamped between the PFN high-voltage pole plate and the PFN low-voltage pole plate, and the positive electrode and the negative electrode of the high-voltage ceramic capacitor are respectively connected to the PFN high-voltage pole plate and the PFN low-voltage pole plate; the PFN low-voltage polar plate and the PFN high-voltage polar plate are fixed through a nylon fastener; the top of the PFN low-voltage polar plate is provided with a PFN low-voltage contact point; a PFN high-voltage contact point is arranged at the bottom of the PFN high-voltage polar plate; and the high-voltage electrode and the low-voltage electrode of the spark gap switch are correspondingly arranged on the same side of the PFN high-voltage polar plate and the PFN low-voltage polar plate.
2. A modular coaxial compact Marx generator according to claim 1, characterized in that: the lower tool comprises a lower supporting plate, a lower PFN module clamping groove, an inductance connecting copper sheet, an inductance clamping groove and a charging inductor; the inductance clamping groove is axially arranged on the surface of the middle part of the lower supporting plate; the lower PFN module clamping grooves are radially arranged on two sides of the inductor clamping groove; a plurality of charging inductors connected in parallel are arranged in the inductor clamping grooves; the inductor connecting copper sheet is arranged in the lower PFN module clamping groove and connected with two ends of the charging inductor; and the inductance connecting copper sheet is correspondingly connected with the PFN high-voltage electrode contact point.
3. A modular coaxial compact Marx generator according to claim 1, characterized in that: the upper tool comprises an upper supporting plate, an upper PFN module clamping groove and a connecting copper sheet; the upper PFN module clamping groove is arranged on the surface of the upper supporting plate and corresponds to the slotting position of the lower PFN module; a connecting copper sheet is arranged in the upper PFN module clamping groove; the connecting copper sheet is connected with the PFN low-voltage contact point on the low-voltage polar plate.
4. A modular coaxial compact Marx generator according to claim 1, characterized in that: the outer barrel is internally provided with a clamping plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910188670.3A CN109714028B (en) | 2019-03-13 | 2019-03-13 | Modular coaxial compact Marx generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910188670.3A CN109714028B (en) | 2019-03-13 | 2019-03-13 | Modular coaxial compact Marx generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109714028A CN109714028A (en) | 2019-05-03 |
| CN109714028B true CN109714028B (en) | 2023-03-21 |
Family
ID=66266759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910188670.3A Active CN109714028B (en) | 2019-03-13 | 2019-03-13 | Modular coaxial compact Marx generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109714028B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112953473A (en) * | 2021-01-27 | 2021-06-11 | 中国人民解放军国防科技大学 | PFN module and modularized PFN-Marx generator |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104135250A (en) * | 2014-07-25 | 2014-11-05 | 中国工程物理研究院应用电子学研究所 | Pulse power device based on annular ceramic solid state line |
| CN108365834A (en) * | 2018-02-05 | 2018-08-03 | 中国工程物理研究院应用电子学研究所 | A kind of lightweight Small-Sized Pulsed power device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000234645A (en) * | 1999-02-16 | 2000-08-29 | Tokai Rubber Ind Ltd | Vibration control exciter for vibration isolation and active vibration control device using this exciter |
| US9306386B2 (en) * | 2013-09-13 | 2016-04-05 | Raytheon Company | Electromagnetic DC pulse power system including integrated fault limiter |
| WO2016011972A1 (en) * | 2014-07-25 | 2016-01-28 | 中国工程物理研究院应用电子学研究所 | Pulse power device based on annular ceramic solid state line |
| CN106787924B (en) * | 2016-11-30 | 2019-03-15 | 中国人民解放军国防科学技术大学 | A kind of long pulsewidth quasi-square wave impulse generator of high voltage |
| CN207765337U (en) * | 2018-02-05 | 2018-08-24 | 中国工程物理研究院应用电子学研究所 | A kind of unilateral double capacitance PFN modules of extraction integral packaging |
-
2019
- 2019-03-13 CN CN201910188670.3A patent/CN109714028B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104135250A (en) * | 2014-07-25 | 2014-11-05 | 中国工程物理研究院应用电子学研究所 | Pulse power device based on annular ceramic solid state line |
| CN108365834A (en) * | 2018-02-05 | 2018-08-03 | 中国工程物理研究院应用电子学研究所 | A kind of lightweight Small-Sized Pulsed power device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109714028A (en) | 2019-05-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8339153B2 (en) | Fault current test equipment of direct current thyristor valve | |
| CN109802657B (en) | PFN forming module for Marx generator and fixing device thereof | |
| CN201238269Y (en) | Impulse voltage generator | |
| CN107331497B (en) | Primary discharge cell of fast pulse straight line transformer and preparation method thereof and transformer | |
| CN109714028B (en) | Modular coaxial compact Marx generator | |
| CN201260135Y (en) | Cascade-type high voltage impulse current generator | |
| CN105227160A (en) | The square wave Linear transformer driver of double-layer coaxial structure | |
| CN105743341A (en) | Voltage multiplication circuit | |
| CN108711907A (en) | A kind of high-power charge-discharge circuit | |
| CN103501170B (en) | A kind of LTD module and the synchronous method triggered thereof | |
| CN105204561A (en) | Short-pulse high-amplitude impulse current generator | |
| CN110022082B (en) | Multi-path output pulse power device | |
| CN104759352A (en) | Electric precipitation pulse high voltage supply controller | |
| RU121180U1 (en) | HIGH FREQUENCY INSTALLATION FOR MAGNETIC-PULSE MATERIAL PROCESSING | |
| CN101841253A (en) | Pulsed-liquid phase discharge system based on multiplex IGCT parallel connection | |
| CN206294136U (en) | A kind of low sense pulse energy storage of the termination formula of both sides four and shaping module | |
| CN202998026U (en) | Electromagnetic induction type self-triggering linear transformer driver | |
| CN111390412A (en) | Large-current electromagnetic pulse welding device | |
| CN101298109B (en) | Striking device suitable for welding and cutting equipment | |
| Krishnakumar et al. | An Integrated Non-Isolated DC-DC converter with Voltage Multiplier Cell for Microgrid Applications | |
| CN201898490U (en) | Integrated assembly for building block type capacity switch of high-voltage pulse generator | |
| CN110022083A (en) | A kind of Impulsive Current device by transmission cable peaking electric current | |
| CN204013239U (en) | A kind of negative ion generating circuit of anti-electromagnetic interference | |
| CN209961811U (en) | Marx generator capable of improving running stability of device | |
| CN107026384B (en) | Xenon lamp device for pumping energy of solid laser amplifier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |