CN205542691U - Produce theory of relativity backward wave oscillator of 8 millimeter waves - Google Patents
Produce theory of relativity backward wave oscillator of 8 millimeter waves Download PDFInfo
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- CN205542691U CN205542691U CN201620111687.0U CN201620111687U CN205542691U CN 205542691 U CN205542691 U CN 205542691U CN 201620111687 U CN201620111687 U CN 201620111687U CN 205542691 U CN205542691 U CN 205542691U
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- 230000004323 axial length Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 2
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- 238000010894 electron beam technology Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 3
- 238000010884 ion-beam technique Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
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Abstract
The utility model discloses a produce theory of relativity backward wave oscillator of 8 millimeter waves, including the urceolus with set up the slow wave structure that a plurality of in the urceolus has the centre bore, slow wave structure is the rectangle structure, and each slow wave structure's cycle is unanimous, and each slow wave structure's centre bore internal diameter is inconsistent. The utility model discloses an originated and finish the part and adopt slow wave structure radial dimension staircase distribution at oscillator slow wave structure, be favorable to the quick oscillation starting of high power microwave and improve and restraint ripples energy conversion efficiency, can produce high peak power microwave under low voltage.
Description
Technical field
Patent of the present invention relates to high-power pulsed ion beams technical field, is specifically related to a kind of Relativistic backward-wave oscillator producing 8 millimeter waves.
Background technology
High-Power Microwave generally refers to peak power electromagnetic wave in the range of more than 100MW, operating frequency are 1～300GHz.The generation of High-Power Microwave at present typically to rely on the principle of high-octane relativistic electron beam, utilizes the backward wave in slow-wave structure and beam coupling to produce microwave oscillation.Qi Lunkefu device is that in high-power pulsed ion beams, people recognize relatively early, are also the devices studying the most deep, and relativistic backward wave oscillator is the outstanding person in Qi Lunkefu device.
Generally use Pf 2The factor weighs the product of the performance of high-power pulsed ion beams, i.e. microwave peak power and radiated electromagnetic wave frequency square.The physical significance of this factor is that the microwave signal power density on target launched from fixed dimension antenna is proportional toPf 2.Millimeter wave typically refers to wavelength electromagnetic wave in the range of 1mm～10mm, and its corresponding frequency range is 30GHz～300GHz.The wavelength of millimeter wave, between light wave and conventional microwave, has the high detection accuracy of light wave and all weather operations performance of conventional microwave, therefore has both advantages concurrently and overcome respective deficiency.
Although millimeter-wave technology has tempting application prospect, but the major obstacle run into when common millimetric wave device is operated in high power levels is power capacity limit.As a example by O type slow-wave device, for ensureing the ripple effect of effective bundle and controlled output mode, its lateral dimension need to be less than corresponding free space wavelength, i.e. meets so-called single mode condition；Along with rising and the shortening of wavelength of frequency, the physical dimension of device electrodynamics structure need to correspondingly reduce.Thus in millimere-wave band, device inside action space is less, power capacity is restricted.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of Relativistic backward-wave oscillator producing 8 millimeter waves, is guiding magnetic field 1T, under electron beam parameter voltage 220kV, electric current 1.5kA load, can produce wavelength 8 millimeters, and power is the High-Power Microwave of 200MW.
For meeting above-mentioned purpose, the present invention adopts the following technical scheme that
A kind of Relativistic backward-wave oscillator producing 8 millimeter waves, including urceolus and be arranged in urceolus several with the slow-wave structure of centre bore, described slow-wave structure is rectangular configuration, and the cycle of each slow-wave structure is consistent, and the centre bore internal diameter of each slow-wave structure is inconsistent.
In technique scheme, described agitator progressively reduces along input direction to the center-hole diameter of outbound course slow-wave structure.
In technique scheme, described agitator progressively reduces along input direction to first slow-wave structure of outbound course, second slow-wave structure, the center-hole diameter of the 3rd slow-wave structure.
In technique scheme, described agitator progressively reduces along outfan direction to first slow-wave structure of input direction, second slow-wave structure, the center-hole diameter of the 3rd slow-wave structure.
In technique scheme, described agitator along input direction to outbound course except first, second and latter two slow-wave structure, other slow-wave structure center-hole diameter is identical.
In technique scheme, described agitator have 14 cycles be 3.3mm, external diameter ripple's depth be the slow-wave structure of 7.5mm, described external diameter ripple's depth be the slow wave part axial length of 7.5mm be 1.65mm, from input to outfan first, second, the 13rd, the internal diameter of the 14th slow-wave structure be 6.6mm, 6.4mm, 6.8mm, 7.2mm, the internal diameter of other slow-wave structures is 6.0mm.
In technique scheme, in use:
Voltage be 220KV, electric current be 1.5KA, axial magnetic field strength be 1T introduction by magnetic field under apply a branch of electron beam and be input in agitator, the central axis along described agitator apply a branch of internal diameter be 5.2mm, external diameter be the annular hollow electron beam of 5.6mm,
Described electron beam complete in slow-wave structure district beam energy be converted into high-frequency microwave field output wavelength be 8mm power be the microwave of 200MW.
In technique scheme, the slow-wave structure of described agitator and urceolus or integrated setting, or slow-wave structure is separately positioned with urceolus.
Compared with prior art, it is an advantage of the current invention that: use slow-wave structure radial dimension ladder to be distributed by and latter end initial in agitator slow-wave structure, be conducive to the fast start-up of High-Power Microwave and improve bundle wave energy conversion efficiency, high-peak power microwave can be produced at the lower voltage.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Wherein: A size is 7.5mm；B size is 6.0mm；C size is 6.6mm；D size is 6.4mm；E size is 6.8mm；F size is 7.2mm；G size is 3.3mm；H size is 1.65mm.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
As described in Figure 1, the agitator of the present invention is mainly two parts, one is peripheral urceolus, but the slow-wave structure of inside, on the oscillator structure of the present invention consistent with existing Relativistic backward-wave oscillator, and the core point of the present invention is the change to the internal diameter diameter in slow-wave structure, thus realize high-power electron beam is converted to microwave.
The rectangular configuration superposition that the slow-wave structure of the present invention is unanimously 3.3mm by 14 cycles forms, and each slow-wave structure is all with centre bore, and the external diameter of all slow-wave structures i.e. ripple's depth are 7.5mm, but the internal diameter of its slow-wave structure is the most inconsistent.The axial length of the external diameter 7.5mm part of slow-wave structure is 1.65mm.
In order to realize the purpose of the present invention, at the input direction of agitator to outbound course, first slow-wave structure, second slow-wave structure, the centre bore internal diameter one-tenth etc. of the 3rd slow-wave structure progressively reduces, it is followed successively by 6.6mm, 6.4mm, 6.0mm, and from outbound course to outbound course first slow-wave structure, second slow-wave structure, the centre bore internal diameter of the 3rd slow-wave structure is 7.2mm, 6.8mm, 6.0mm, the most whole agitator is except the first two slow-wave structure of input, latter two slow-wave structure of outfan, the center-hole diameter of 10 middle slow-wave structures is 6.0mm.
Under this structural environment, agitator is arranged on guiding magnetic field 1T, electron beam parameter voltage 220kV, the electron beam that electric current 1.5kA sends under loading passes along the central axis of agitator, line is that inner and outer diameter is respectively 5.2mm, the annular hollow electron beam of 5.6mm, high energy electron is converted to wavelength 8 millimeters in slow-wave structure district by electron beam, and power is the High-Power Microwave of 200MW.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent and improvement etc. made within the spirit and principles in the present invention, should be included within the scope of the present invention.
Claims (7)
1. the Relativistic backward-wave oscillator producing 8 millimeter waves, including urceolus and be arranged in urceolus several with the slow-wave structure of centre bore, it is characterized in that described slow-wave structure is rectangular configuration, the cycle of each slow-wave structure is consistent, and the centre bore internal diameter of each slow-wave structure is inconsistent.
A kind of Relativistic backward-wave oscillator producing 8 millimeter waves the most according to claim 1, it is characterised in that described agitator progressively reduces along input direction to the center-hole diameter of outbound course slow-wave structure.
A kind of Relativistic backward-wave oscillator producing 8 millimeter waves the most according to claim 2, it is characterised in that described agitator progressively reduces along input direction to first slow-wave structure of outbound course, second slow-wave structure, the center-hole diameter of the 3rd slow-wave structure.
A kind of Relativistic backward-wave oscillator producing 8 millimeter waves the most according to claim 2, it is characterised in that described agitator progressively reduces along outfan direction to first slow-wave structure of input direction, second slow-wave structure, the center-hole diameter of the 3rd slow-wave structure.
5. according to the Relativistic backward-wave oscillator of a kind of generation 8 millimeter waves described in claim 3 or 4, it is characterized in that described agitator along input direction to outbound course except first, second and latter two slow-wave structure, other slow-wave structure center-hole diameter is identical.
A kind of Relativistic backward-wave oscillator producing 8 millimeter waves the most according to claim 5, it is characterized in that described agitator have 14 cycles be 3.3mm, external diameter ripple's depth be the slow-wave structure of 7.5mm, described external diameter ripple's depth be the slow wave part axial length of 7.5mm be 1.65mm, from input to outfan first, second, the 13rd, the internal diameter of the 14th slow-wave structure be 6.6mm, 6.4mm, 6.8mm, 7.2mm, the internal diameter of other slow-wave structures is 6.0mm.
A kind of Relativistic backward-wave oscillator producing 8 millimeter waves the most according to claim 6, it is characterised in that the slow-wave structure of described agitator and urceolus or integrated setting, or slow-wave structure is separately positioned with urceolus.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620111687.0U CN205542691U (en) | 2016-02-04 | 2016-02-04 | Produce theory of relativity backward wave oscillator of 8 millimeter waves |
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| CN201620111687.0U CN205542691U (en) | 2016-02-04 | 2016-02-04 | Produce theory of relativity backward wave oscillator of 8 millimeter waves |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109872933A (en) * | 2019-01-28 | 2019-06-11 | 西北核技术研究所 | A method of reducing electron beam diameter to oscillating phase potential difference |
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2016
- 2016-02-04 CN CN201620111687.0U patent/CN205542691U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109872933A (en) * | 2019-01-28 | 2019-06-11 | 西北核技术研究所 | A method of reducing electron beam diameter to oscillating phase potential difference |
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Granted publication date: 20160831 |
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| CF01 | Termination of patent right due to non-payment of annual fee |