CN101916899B - Telescopiform resistance high-voltage pulse attenuator - Google Patents
Telescopiform resistance high-voltage pulse attenuator Download PDFInfo
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- CN101916899B CN101916899B CN 201010218624 CN201010218624A CN101916899B CN 101916899 B CN101916899 B CN 101916899B CN 201010218624 CN201010218624 CN 201010218624 CN 201010218624 A CN201010218624 A CN 201010218624A CN 101916899 B CN101916899 B CN 101916899B
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Abstract
The invention relates to a telescopiform resistance high-voltage pulse attenuator used for high-voltage nanosecond pulse attenuation transmission, wherein both the input end and the output end of the attenuator utilize a taper transition structure to solve the problem of impedance matching between an attenuator and a pulse stimulator system; a matching shunt resistor and a divider resistor utilize a coaxial telescopiform structure to realize coupling performance compensation of a distributed capacitor; and a high-power high-frequency high-voltage resistor is selected to solve the problems of high peak value, high power and the like. The load of an electromagnetic pulse stimulator system before and after inserting the attenuator is ensure to be not changed through selecting the resistance value of the matching shunt resistor; the impedance matching between the attenuator and the stimulator system is realized through a front transition structure and a back transition structure to reduce reflection and oscillation; and the coupling performance compensation of the distributed capacitor can be realized through the telescopiform structure between the matching shunt resistor and the divider resistor. The whole structure takes the benefit of improving the performance of the attenuator.
Description
Technical field
The present invention is a kind of telescopiform resistance high-voltage pulse attenuator, and its decay transmission performance is optimized, and is applicable to the decay of peak value, fast leading transient electric pulse.
Background technology
Can be adjustable in the larger context for the peak value of pulse field intensity that makes electromagnetic pulse simulator, designed resistor-type electromagnetic pulse attenuator.The factor such as over the ground distributed capacitance and impedance mismatching etc. of attenuator can cause the wave distortion phenomenons such as too much loss of radio-frequency component, wave reflection and vibration.Around the performance compensation of attenuator and with the impedance matching of pulse simulator system, its structure influence rule of simulation analysis is determined good structure, and then optimizes and determine its structural parameters, to reach good fade performance, is good problem to study.
Summary of the invention
Technical problem: the factor such as over the ground distributed capacitance and impedance mismatching etc. of attenuator can cause the wave distortion phenomenons such as too much loss of radio-frequency component, wave reflection and vibration.The present invention proposes a kind of telescopiform resistance high-voltage pulse attenuator for high-voltage nanosecond pulse decay transmission, its input, output adopt tapering transition formula structure to solve the resistance matching problem of attenuator and pulse simulator system; The coupling shunt resistance adopts coaxial telescopiform structure to realize distributed capacitance manifold type performance compensation with divider resistance; And select high-power, high-frequency and high-voltage resistance to solve the problems such as peak value, high power.
Technical scheme: in the telescopiform resistance high-voltage pulse attenuator of the present invention, the outer layer metal radome of attenuator is made of a hollow tubular outer layer metal radome stage casing, the taper input transition section that is connected to two ends, outer layer metal radome stage casing and taper output changeover portion; In outer metallic shield stage casing, be provided with divider resistance, the outside cover of divider resistance has insulating sleeve, the outer surface cover of insulating sleeve has the coupling shunt resistance, be filled with the high pressure silicone grease between insulating sleeve and divider resistance and the coupling shunt resistance, the coupling shunt resistance by insulating support and be connected the connection copper ring be bearing in the outer layer metal radome stage casing, the input of coupling shunt resistance and divider resistance is by the input copper core access high input voltage utmost point, the input copper core outside is the first insulating sleeve and insulating support, the output of divider resistance connects output copper core, the outside of output copper core is the second insulating sleeve, and the outside cover of the output of divider resistance has insulating case; The input in radome stage casing links to each other with taper input transition section, and the small end of taper input transition section consists of high voltage input terminal with input copper core and the first insulating sleeve, links to each other with transmission line by coaxial connector; The output in outer layer metal radome stage casing links to each other with taper output changeover portion, and the small end of taper output changeover portion and the output of exporting copper core and the second insulating sleeve formation attenuator link to each other with the input transmission line of field irradiation unit by coaxial connector.
Coupling shunt resistance and divider resistance are the telescopiform structure, and taper output changeover portion, taper input transition section cone angle are 25 °～30 °.
The material of outer layer metal radome interlude, taper input transition section and taper output changeover portion is metallic aluminium or copper; The first insulating sleeve, the second insulating sleeve, insulating sleeve and insulating support are polytetrafluoroethylene or polyformaldehyde; Coupling shunt resistance and divider resistance are the noninductive glass glaze film resistor of ceramic base tubulose high-frequency and high-voltage.
Utilize the coupling of the distributed capacitance between coupling shunt resistance and divider resistance to realize the mechanism of performance compensation, thereby and change the method that the coupling amount is adjusted the performance of attenuator by relative length and the diameter that changes both.
Utilizing cone angle is that 25 °～30 ° input transition section and taper output changeover portion are realized respectively and the impedance matching of the input transmission line of the output transmission line of clock and an irradiation unit, reduces reflection and the vibration of transmission.
Guarantee that by the resistance of selecting the coupling shunt resistance load of electromagnetic pulse simulator system before and after attenuator inserts is constant; By the impedance matching of front and back transition structure realization attenuator and simulation system, reduce reflection and vibration; By the telescopiform structure of coupling shunt resistance and divider resistance, realize the compensation of distributed capacitor coupling performance.Total helps to improve the performance of attenuator.
Beneficial effect:
1, the taper straight transitions structure at two ends is conducive to reduce the reflection of system transmissions;
2, the telescopiform structure of coupling shunt resistance and divider resistance realizes distributed capacitance manifold type performance compensation, thereby can change the performance that the coupling amount is adjusted attenuator by relative length and the diameter that changes both;
3, solve the difficult problem of high-power transition steep-sided pulse decay;
4, simple for structure.
Description of drawings
Fig. 1 is structural representation of the present invention.
Have among the figure: the first insulating sleeve 1; Insulating support 2; Insulating sleeve 3; Coupling shunt resistance 4; Divider resistance 5; Insulating case 6; The second insulating sleeve 7; Output copper core 8; Taper output changeover portion 9; Supporting connects copper ring 10; Outer layer metal radome stage casing 11; Taper input transition section 12; Input copper core 13.
Embodiment
The outer layer metal ground shield (hereinafter to be referred as radome) of high voltage pulse resistor-type attenuator of the present invention.
By an outer layer metal radome stage casing 11, taper input transition section 12 and taper output changeover portion 9 consist of, in outer metallic shield stage casing 11, be provided with divider resistance 5, the outside cover of divider resistance 5 has insulating sleeve 3, insulating sleeve 3 outer surface covers have coupling shunt resistance 4, be filled with the high pressure silicone grease between insulating sleeve 3 and divider resistance 3 and the coupling shunt resistance 4, the coupling shunt resistance 4 by insulating support 2 and be connected the connection copper ring 10 be bearing in the outer layer metal radome stage casing 11, the input of coupling shunt resistance 4 and divider resistance 5 is by input copper core 13, the access high input voltage utmost point, input copper core 13 outsides are the first insulating sleeve 1 and insulating support 2, the output of divider resistance 5 connects output copper core 8, the outside of output copper core 8 is second insulating sleeves 7, and the outside cover of the output of divider resistance 5 has insulating case 6; The input in outer layer metal radome stage casing 11 links to each other with taper input transition section 12, the small end of taper input transition section 12 consists of high voltage input terminal with input copper core 13 and the first insulating sleeve 1, by the coaxial connector (not shown) that links to each other with transmission line; The output in outer layer metal radome stage casing 11 links to each other with taper output changeover portion 9, the small end of taper output changeover portion 9 and output copper core 8 and the second insulating sleeve 7 consist of the output of attenuators, by the coaxial connector (not shown) that links to each other with the input transmission line of field irradiation unit.
The selection of material, shape, connected mode
Outer layer metal ground shield interlude is straight tube shape, and its input and output changeover portion is conical blank pipe, and material is metallic aluminium or copper; Insulating sleeve, insulating sleeve and insulating support etc. is polytetrafluoroethylene or polyformaldehyde, interior insulation filling has the high pressure silicone grease; Coupling shunt resistance and divider resistance are the noninductive glass glaze film resistor of ceramic base tubulose high-frequency and high-voltage.Input, output link to each other with system by special high-tension connector.
Claims (3)
1. a coaxial telescopiform resistor-type high voltage pulse attenuator is characterized in that the outer layer metal radome of this attenuator is made of a hollow tubular outer layer metal radome stage casing (11), the taper input transition section (12) that is connected to two ends, outer layer metal radome stage casing (11) and taper output changeover portion (9); In outer metallic shield stage casing (11), be provided with divider resistance (5), the outside cover of divider resistance (5) has insulating sleeve (3), the outer surface cover of insulating sleeve (3) has coupling shunt resistance (4), be filled with the high pressure silicone grease between insulating sleeve (3) and divider resistance (5) and the coupling shunt resistance (4), the coupling shunt resistance (4) by insulating support (2) and be connected the connection copper ring (10) be bearing in the outer layer metal radome stage casing (11), the input of coupling shunt resistance (4) and divider resistance (5) is by input copper core (13) the access high input voltage utmost point, input copper core (13) outside is the first insulating sleeve (1) and insulating support (2), the output of divider resistance (5) connects output copper core (8), the outside of output copper core (8) is the second insulating sleeve (7), and the outside cover of the output of divider resistance (5) has insulating case (6); The input in radome stage casing (11) links to each other with taper input transition section (12), the small end of taper input transition section (12) consists of high voltage input terminal with input copper core (13) and the first insulating sleeve (1), links to each other with transmission line by coaxial connector; The output in outer layer metal radome stage casing (11) links to each other with taper output changeover portion (9), the small end of taper output changeover portion (9) and the output of exporting copper core (8) and the second insulating sleeve (7) formation attenuator link to each other with the input transmission line of field irradiation unit by coaxial connector.
2. coaxial telescopiform resistor-type high voltage pulse attenuator according to claim 1, it is characterized in that mating shunt resistance (4) and be the telescopiform structure with divider resistance (5), taper output changeover portion (9), taper input transition section (12) cone angle are 25 °～30 °.
3. coaxial telescopiform resistor-type high voltage pulse attenuator according to claim 1 is characterized in that the material of outer layer metal radome interlude (11), taper input transition section (12) and taper output changeover portion (9) is metallic aluminium or copper; The first insulating sleeve (1), the second insulating sleeve (7), insulating sleeve (3) and insulating support (2) are polytetrafluoroethylene or polyformaldehyde; Coupling shunt resistance (4) and divider resistance (5) are the noninductive glass glaze film resistor of ceramic base tubulose high-frequency and high-voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010218624 CN101916899B (en) | 2010-06-30 | 2010-06-30 | Telescopiform resistance high-voltage pulse attenuator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010218624 CN101916899B (en) | 2010-06-30 | 2010-06-30 | Telescopiform resistance high-voltage pulse attenuator |
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| Publication Number | Publication Date |
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| CN101916899A CN101916899A (en) | 2010-12-15 |
| CN101916899B true CN101916899B (en) | 2013-01-02 |
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| CN 201010218624 Expired - Fee Related CN101916899B (en) | 2010-06-30 | 2010-06-30 | Telescopiform resistance high-voltage pulse attenuator |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103928740A (en) * | 2014-04-24 | 2014-07-16 | 中国工程物理研究院应用电子学研究所 | High-power wide-spectrum quarter-wave switching oscillator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1131432A (en) * | 1965-03-10 | 1968-10-23 | Bird Electronic Corp | Improvements in or relating to electrical coaxial line terminating devices |
| GB2138161A (en) * | 1983-04-15 | 1984-10-17 | Standard Telephones Cables Ltd | Attenuator in optical fibre connector |
| CN201741781U (en) * | 2010-06-30 | 2011-02-09 | 南京信息工程大学 | Coaxial resistance type high-voltage pulse attenuator |
-
2010
- 2010-06-30 CN CN 201010218624 patent/CN101916899B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1131432A (en) * | 1965-03-10 | 1968-10-23 | Bird Electronic Corp | Improvements in or relating to electrical coaxial line terminating devices |
| GB2138161A (en) * | 1983-04-15 | 1984-10-17 | Standard Telephones Cables Ltd | Attenuator in optical fibre connector |
| CN201741781U (en) * | 2010-06-30 | 2011-02-09 | 南京信息工程大学 | Coaxial resistance type high-voltage pulse attenuator |
Non-Patent Citations (2)
| Title |
|---|
| 曲忠旭.高压纳秒脉冲电阻分压器的结构.《电子测量技术》.2009,第32卷(第11期), |
| 高压纳秒脉冲电阻分压器的结构;曲忠旭;《电子测量技术》;20091130;第32卷(第11期);第23-26页 * |
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