CN104103885B - A kind of bipolarity TEM microwave resonance generator - Google Patents
A kind of bipolarity TEM microwave resonance generator Download PDFInfo
- Publication number
- CN104103885B CN104103885B CN201410219816.3A CN201410219816A CN104103885B CN 104103885 B CN104103885 B CN 104103885B CN 201410219816 A CN201410219816 A CN 201410219816A CN 104103885 B CN104103885 B CN 104103885B
- Authority
- CN
- China
- Prior art keywords
- inner wire
- wire electrode
- plush copper
- bipolarity
- electrode
- 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
Landscapes
- Radar Systems Or Details Thereof (AREA)
- Plasma Technology (AREA)
Abstract
The present invention relates to a kind of bipolarity TEM microwave resonance generator, unipolarity DC pulse (high bass wave, square wave or triangular wave) signal is transformed and generates bipolarity class damped oscillation TEM ripple the generator to antenna system transmission. This generator can directly excited antenna in electromagnetic impulse radiation effect study as electromagnetic signal generating means, electricity number is changed into wideband electromagnetic signal. Bipolarity TEM wave resonance generator of the present invention can change into unipolar high-voltage pulse signal bipolarity electromagnetic viscosimeter and transmit to antenna system. Generator has and uses flexibly, convenient, safety, the advantage such as experimentation cost is low, reusable. Can be applied to various high power electrical pulse researchs etc. multi-field, use as the electromagnetic pulse generator of system.
Description
Technical field
The invention belongs to resonance generator, be specifically related to a kind of bipolarity TEM microwave resonance generator.
Background technology
Although microwave occurs and transmission technology has developed comparatively ripe, but be specifically applied in Pulse Power Techniques and High-Power Microwave technology as a kind of electromagnetic pulse forming device, due to size restrictions, power capacity and the high pressure resistant harsh requirement puncturing, especially, be that tool acquires a certain degree of difficulty for the design of bipolarity TEM wave resonance generator.
The form of propagating at present electromagnetic signal in experiment has coaxial transmission line, Plate-Transmission-Line, strip transmission line, helical transmission line and taper impedance tapering line etc. Although these several forms can be used for guided electromagnetic wave, more or less all have some shortcomings. Such as parallel-plate and strip line can evenly produce transmission electromagnetic signal, but have parasitic couplings and edge electric field in edge; Helical transmission line form is less to manufacturing experimently error requirements in kind, although can more accurately reflect design and the result of emulation, longer transmission delay is difficult to avoid really, and electrical breakdown between spiral circle also can bring unstability to real work; When gradual change transmission line design, can realize preferably and the impedance matching of antenna system, but internal-and external diameter slightly changes the distortion that will be difficult to ignore in production trial-manufacturing process, and in design process, be also difficult to unipolar signal to transform bipolar signal. Therefore, in Generator Design process, to avoid following point:
The parasitic parameter of edge and edge electric field
Too high characteristic impedance
More dispersion and longer transmission delay
The electrical breakdown of generator inside
Will bring very large impact to the design of generator if these problems can not effectively be avoided or optimize, and then cannot in experimentation, effectively measure radiation field intensity, even can produce certain radiation hazradial bundle to experimenter.
Summary of the invention
The technical problem solving
For fear of the deficiencies in the prior art part, the present invention proposes a kind of bipolarity TEM microwave resonance generator, solves laboratory or real work requirement, has evaded the problems such as the parasitic electrical quantity in edge and dispersion. This generator can be converted into bipolarity electromagnetic pulse signal by the unipolar pulse signal of telecommunication of input, the advantages such as cost is low, reusable, highly versatile, safety easy to use that it has.
Technical scheme
A kind of bipolarity TEM microwave resonance generator, is characterized in that comprising short circuit face 1, inner wire electrode 2, outer conductor 3, semicircular arc capacitor plate 4, nylon sheet 6, mounting flange 7, the first gas switch 9 and metal tube 10; Inner wire electrode 2 is column type steel plate, inner wire electrode 2 is fixed on the axle center of inner wire electrode 2 by short circuit face 1 and mounting flange 7, inner wire electrode 2 is provided with inner wire electrode plush copper 12, inner wire electrode plush copper 12 is provided with pore, inner wire electrode 2 be positioned at mounting flange 7 be provided with pore and with inner wire electrode plush copper 12 on pore UNICOM; Semicircular arc capacitor plate 4 is positioned at the below of inner wire electrode plush copper 12, and the position relative with inner wire electrode plush copper 12 is provided with electrode plush copper 11, and electrode plush copper 11 is provided with pore; 1 nylon sheet 6, at two positions that electrode plush copper is relative, to be fixed between semicircular arc capacitor plate 4 and outer conductor 3 around the column structure forming, forms the cavity of a second airtight gas switch; The first gas switch 9 is also cylindrical structure, on the short circuit face of being fixed on 1, the two ends of the first gas switch 9 cylinders are provided with two electrodes 8, wherein the electrode of a side is provided with pore, this pore, by the pore UNICOM in metal tube 10 and electrode plush copper 11 with through hole, forms the pore of inner wire electrode 2 by the cavity of the second gas switch and the cavity UNICOM of the first gas switch 9.
The column type steel plate outside of described the first gas switch 9 is provided with insulated nylon.
Discharging gap between inner wire electrode plush copper 12 and the electrode plush copper 11 of semicircular arc capacitor plate 4 is 4～6mm.
Discharging gap between the electrode 8 at the two ends of the first gas switch 9 cylinders is 4～6mm.
Beneficial effect
A kind of bipolarity TEM microwave resonance generator that the present invention proposes, transforms unipolarity DC pulse (high bass wave, square wave or triangular wave) signal to generate bipolarity class damped oscillation TEM ripple the generator to antenna system transmission. This generator can directly excited antenna in electromagnetic impulse radiation effect study as electromagnetic signal generating means, electricity number is changed into wideband electromagnetic signal.
Beneficial effect of the present invention: can transmit the coaxial configuration of TEM ripple without critical frequency, thereby the restriction of not relevant with cross sectional dimensions cut-off frequency. Coaxial line has series of advantages: realize the necessity of required impedance, the symmetry of cylinder, high power capacity, be filled with transformer oil after withstand voltage effect particularly evident. In design, another emphasis is, how coaxial line is transitioned into antenna and mates better. Thereby inner wire is designed to step-like, and outer conductor internal-and external diameter is designed to gradual change simultaneously, so just meet the requirement of impedance matching. In the time of emulation, select log-periodic antenna to connect generator, in antenna greatest irradiation direction, the field intensity in far field, as Fig. 5, can find out that ground field intensity is by bipolarity class damped oscillation TEM ripple.
Brief description of the drawings
Fig. 1 generator 2-D structure chart
Fig. 2 generator C-C generalized section
In figure: short circuit face 1, inner wire electrode 2, outer conductor 3, semicircular arc capacitor plate 4, insulated nylon 5, nylon sheet 6, mounting flange 7, electrode 8, the first gas switch 9, metal tube 10, electrode plush copper 11, inner wire electrode plush copper 12.
Fig. 3 triangle wave voltage input signal figure
Fig. 4 bipolar voltage output signal diagram
Fig. 5 band Antenna Far Field field intensity is counted simulation numerical figure
Detailed description of the invention
Now in conjunction with the embodiments, the invention will be further described for accompanying drawing:
The embodiment of the present invention as shown in Figure 1, comprises short circuit face 1, inner wire electrode 2, outer conductor 3, semicircular arc capacitor plate 4, nylon sheet 6, mounting flange 7, the first gas switch 9 and metal tube 10; Inner wire electrode 2 is column type steel plate, inner wire electrode 2 is fixed on the axle center of inner wire electrode 2 by short circuit face 1 and mounting flange 7, inner wire electrode 2 is provided with inner wire electrode plush copper 12, inner wire electrode plush copper 12 is provided with pore, inner wire electrode 2 be positioned at mounting flange 7 be provided with pore and with inner wire electrode plush copper 12 on pore UNICOM; Semicircular arc capacitor plate 4 is positioned at the below of inner wire electrode plush copper 12, and the discharging gap that the position relative with inner wire electrode plush copper 12 is provided with between 11, two electrode plush coppers of electrode plush copper is 4～6mm. Electrode plush copper 11 is provided with pore; 1 nylon sheet 6, at two positions that electrode plush copper is relative, to be fixed between semicircular arc capacitor plate 4 and outer conductor 3 around the column structure forming, forms the cavity of a second airtight gas switch; The first gas switch 9 is also cylindrical structure, and cylindrical structure adopts column type steel plate, and outside is provided with insulated nylon. The first gas switch 9 is fixed on short circuit face 1, and the discharging gap that the two ends of the first gas switch 9 cylinders are provided with between 8, two electrodes 8 of two electrodes is 4～6mm. The the first gas switch 9 cylinders wherein electrode of a side are provided with pore, this pore, by the pore UNICOM in metal tube 10 and electrode plush copper 11 with through hole, forms the pore of inner wire electrode 2 by the cavity of the second gas switch and the cavity UNICOM of the first gas switch 9. The first gas switch 9
Operation principle of the present invention: the gas of second level gas switch is joined by through hole and first order gas switch; Step-like inner wire is the cylinder of change in radius, is fixed on outer conductor center by short circuit face and mounting flange, and its interior bone is communicated with second level gas switch. When inflation, tracheae is connected with inner wire through hole, and gas is filled with the second level and first order gas switch successively.
Waveform input signal of the present invention can be high bass wave, triangular wave or square wave. The Main Function of two-stage gas switch is by the steepness of pulse signal rising edge. Wherein the second utmost point switch discharges on DC signal feed-in coaxial inner conductor, and short circuit face and coaxial transmission line part realize upset time delay and the transmission of signal polarity. Most important consideration 2 points of design for gas switch: lower inductance and lower load loss. The device that the pulse energy of feed-in is transformed to the higher frequency signal energy of the interior certain frequency spectrum of certain hour and power characteristic is called wave producer (short circuit face forms with transmission line). Wherein pulse signal is by means of second level gas switch electric discharge, and at the cavity underexcitation bipolarity electromagnetic pulse signal then being reflected to form by reflecting surface that vibrates. While can discovery input signal being clearly unipolarity triangular wave by the probe that arranges in cavity when the emulation, output signal is double polarity pulse signal, as Fig. 4, shown in Fig. 5.
In the time that first order gas switch is delivered in feed pulse, discharger is finished the work, and completes the electric capacity version charging to second level switch simultaneously, after treating that second section switching capacity has charged, and disruptive discharge. In discharger, be full of the sulfur hexafluoride gas of compression or the mist of sulfur hexafluoride and nitrogen, and under larger gas pressure in can guarantee to puncture. Owing to there being sharpening in advance, less capacitance and discharging gap possess high breakdown voltage simultaneously, and therefore discharger exciting current has enough short pulse front edge, thereby has effectively encouraged electromagnetic viscosimeter in coaxial resonant cavity. Puncture sulfur hexafluoride gas discharge generation unipolar pulse feed-in resonator inner wire, after short road reflection, produce bipolar signal, and propagate to antenna system direction.
Bipolarity TEM wave resonance generator of the present invention can change into unipolar high-voltage pulse signal bipolarity electromagnetic viscosimeter and transmit to antenna system. Generator has and uses flexibly, convenient, safety, the advantage such as experimentation cost is low, reusable. Can be applied to various high power electrical pulse researchs etc. multi-field, use as the electromagnetic pulse generator of system.
Claims (4)
1. a bipolarity TEM microwave resonance generator, it is characterized in that comprising short circuit face (1), inner wire electrode (2),Outer conductor (3), semicircular arc capacitor plate (4), nylon sheet (6), mounting flange (7), the first gas are openedClose (9) and metal tube (10); Inner wire electrode (2) is column type steel plate, and inner wire electrode (2) passes throughShort circuit face (1) and mounting flange (7) are fixed on the axle center of inner wire electrode (2), inner wire electrode (2)Be provided with inner wire electrode plush copper (12), inner wire electrode plush copper (12) is provided with pore, inner wire electrode (2)The one end that is positioned at mounting flange (7) be provided with pore and with inner wire electrode plush copper (12) on pore UNICOM; HalfCircular arc capacitor plate (4) is positioned at the below of inner wire electrode plush copper (12), with inner wire electrode plush copper (12)Relative position is provided with electrode plush copper (11), and electrode plush copper (11) is provided with pore; Nylon sheet (6) is twoThe relative position of individual electrode plush copper, surrounds into column structure and is fixed on semicircular arc capacitor plate (4) and inner wireBetween electrode (2), form the cavity of a second airtight gas switch; The first gas switch (9) is alsoCylindrical structure, cylindrical structure adopts column type steel plate, is fixed on short circuit face (1) upper, the first gas switch(9) two ends of cylinder are provided with two electrodes (8), and wherein the electrode of a side is provided with pore, and this pore is by bandPore UNICOM in the metal tube (10) of through hole and electrode plush copper (11), is formed at inner wire electrode (2)Pore is by the cavity of the second gas switch and the cavity UNICOM of the first gas switch (9).
2. bipolarity TEM microwave resonance generator according to claim 1, is characterized in that: described the first gas is openedThe column type steel plate outside of closing (9) is provided with insulated nylon.
3. bipolarity TEM microwave resonance generator according to claim 1, is characterized in that: inner wire electrode plush copper(12) discharging gap and between the electrode plush copper (11) of semicircular arc capacitor plate (4) is 4～6mm.
4. bipolarity TEM microwave resonance generator according to claim 1, is characterized in that: the first gas switch (9)Discharging gap between the two end electrodes (8) of cylinder is 4～6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410219816.3A CN104103885B (en) | 2014-05-22 | 2014-05-22 | A kind of bipolarity TEM microwave resonance generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410219816.3A CN104103885B (en) | 2014-05-22 | 2014-05-22 | A kind of bipolarity TEM microwave resonance generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104103885A CN104103885A (en) | 2014-10-15 |
| CN104103885B true CN104103885B (en) | 2016-05-04 |
Family
ID=51671825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410219816.3A Active CN104103885B (en) | 2014-05-22 | 2014-05-22 | A kind of bipolarity TEM microwave resonance generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104103885B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111641014A (en) * | 2020-06-02 | 2020-09-08 | 西安电子工程研究所 | Dual-channel bipolar ultra-wideband microwave generator based on flat transmission line |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000151208A (en) * | 1998-11-06 | 2000-05-30 | Taiyo Yuden Co Ltd | Dielectric resonator and filter. |
| CN201025628Y (en) * | 2006-12-31 | 2008-02-20 | 北京北广科技股份有限公司 | Folding broadband coupling resonance cavity |
-
2014
- 2014-05-22 CN CN201410219816.3A patent/CN104103885B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000151208A (en) * | 1998-11-06 | 2000-05-30 | Taiyo Yuden Co Ltd | Dielectric resonator and filter. |
| CN201025628Y (en) * | 2006-12-31 | 2008-02-20 | 北京北广科技股份有限公司 | Folding broadband coupling resonance cavity |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104103885A (en) | 2014-10-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2011146594A (en) | METHOD AND DEVICE FOR TRANSMISSION OF ELECTRIC ENERGY | |
| CN101820270B (en) | High pressure picosecond pulse generator | |
| CN106787924B (en) | A kind of long pulsewidth quasi-square wave impulse generator of high voltage | |
| CN202565195U (en) | Device for generating high-voltage nanosecond pulses | |
| CN102931948B (en) | The high-pressure subnanosecond impulse source that a kind of fast switch is integrated with Blumlein line | |
| CN104135250B (en) | A kind of pulse power device based on ring-shaped pottery solidus | |
| CN106872888B (en) | A kind of the vacuum interrupter ageing device and method of DC stacked high-voltage pulse | |
| CN204089634U (en) | Ultra-compact high-voltage nanosecond pulse source | |
| CN203839499U (en) | High power wide spectrum 1/4 wavelength switch oscillator | |
| CN104103885B (en) | A kind of bipolarity TEM microwave resonance generator | |
| CN201904538U (en) | Coaxial shielding type gas spark switch | |
| CN105071787A (en) | Pulse-forming line with reentry structure | |
| CN202565565U (en) | Electron beam sub-harmonic buncher | |
| Roh et al. | Analysis of output pulse of high voltage and nanosecond Blumlein pulse generator | |
| CN102013635B (en) | Coaxial shield gas spark switch | |
| Pecquois et al. | MOUNA: An autonomous, compact, high-power, and wideband electromagnetic source based on a novel resonant pulsed transformer | |
| CN206041952U (en) | Compact GW level bipolar pulse produces device | |
| Sarkar et al. | A compact battery-powered 500kV pulse generator for UWB radiation | |
| CN105049004B (en) | A kind of tubular type nanosecond high pressure steep-sided pulse source | |
| CN102769406B (en) | Annular series loaded line connection structure | |
| RU2382488C1 (en) | Device for generating subnanosecond pulses | |
| CN107659291B (en) | High-voltage pulse generator with low jitter | |
| CN104836010A (en) | Charging type high-power wide-spectrum oscillator for unmatched transmission wire by use of forming wire | |
| CN202963766U (en) | Plasma gouging high-frequency circuit and plasma gouging torch comprising same | |
| CN114301432B (en) | High-energy-efficiency broadband electromagnetic pulse generation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |