CN2738411Y - Round groove waveguide power synthesizer - Google Patents
Round groove waveguide power synthesizer Download PDFInfo
- Publication number
- CN2738411Y CN2738411Y CN 200420079784 CN200420079784U CN2738411Y CN 2738411 Y CN2738411 Y CN 2738411Y CN 200420079784 CN200420079784 CN 200420079784 CN 200420079784 U CN200420079784 U CN 200420079784U CN 2738411 Y CN2738411 Y CN 2738411Y
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- short
- wave guide
- circular recess
- transistor
- circular
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Abstract
The utility model relates to a circular groove waveguide power combiner which is applied to a radar complete machine. Structurally, an upper insulating bar and a lower insulating bar are respectively positioned on both sides between two metal flat plates, and wedge-shaped matched dry loads are respectively arranged on the inner sides of the upper and the lower insulating bars. The symmetrical center of the end faces of the two metal flat plates is provided with a circular through hole along the length direction of the metal flat plates, the diameter of the through hole is D, and a circular groove waveguide is formed. A cover plate and a coupling iris are respectively arranged on both sides of the circular groove waveguide. A pair or more pairs of transistor bases which are perpendicular to the circular through hole and feeding choking coaxial lines are arranged in the gap between the two metal flat plates. Each transistor base corresponds to a feeding choking coaxial line which is on the same axial line with the transistor base. A circular groove waveguide tunable short-circuiting plunger is also arranged on the inner side of the cover plate on the axial line of the circular through hole, and the outer end of a piston connecting rod of the tunable short-circuiting plunger extends out of the circular through hole and the cover plate.
Description
Technical field
The utility model is a kind of circular recess wave guide power combiner that is applied to the radar complete machine, belongs to the technical field of microwave, millimeter wave and submillimeter wave power combiner.
Background technology
In this frequency range, oscillator has two classes substantially from the microwave to the submillimeter wave: a class is by vacuum electron device and waveguide be combined into, and another kind of is solid state device and waveguide be combined into.
Oscillator is the source that generates electromagnetic waves, therefore it is one of most important parts in microwave, millimeter wave and the submillimeter wave technology, oscillator is the result that active device combines with waveguide, there is a class waveguide that a kind of oscillator that adapts with such waveguide is just arranged, for example: rectangular waveguide oscillator, microstrip line oscillator etc.The oscillator power output that the single solid state device of these conventional waveguide is formed is little, can not satisfy the requirement of most of radars, power synthetic technique is proposed in the world already to improve power output, but used waveguide is traditional rectangular waveguide, its shortcoming is along with operating frequency raises, the size of waveguide is more and more littler, and loss is more and more higher.
Summary of the invention
Technical problem: the purpose of this utility model is the deficiency at prior art, makes power output than the big many circular recess wave guide power combiners of ordinary oscillator, can be used on the circular recess wave guide radar complete machine and on the rectangular waveguide radar machine.
Technical scheme: the utility model forms according to circular waveguide power combiner Design Theory, comprise insulation strip, following insulation strip, metal plate, wedge shape coupling is done load, this circular recess wave guide power combiner adopts goes up insulation strip, following insulation strip separates the promptly preceding metal plate of two metal plates, back metal plate, last insulation strip, following insulation strip lays respectively at two both sides between the metal plate, in last insulation strip, following insulation strip inboard is respectively equipped with wedge shape coupling and does load, and being provided with one in the symmetrical centre of two metal plate end faces is that the manhole of D constitutes circular recess wave guide along dull and stereotyped length direction and diameter; Be respectively equipped with a cover plate and coupling iris in the both sides of circular recess wave guide; Be provided with one or more pairs of in the space between two metal plates and the perpendicular base of transistor and the feed chokes coaxial line of manhole, each base of transistor and a corresponding feed chokes coaxial line are positioned on same the axis; An end that is positioned at manhole at the base of transistor is provided with radial transmission line down, the other end of the base of transistor is fixed on the base of transistor nut: an end that is positioned at manhole at feed chokes coaxial line is provided with radial transmission line, and the other end of feed chokes coaxial line is fixed on the coaxial line nut; Transistor is located on the base of transistor and is descending between radial transmission line and the last radial transmission line; Cover plate inboard on the manhole axis also is provided with the tunable short-circuit plunger of circular recess wave guide, and stretch out outside manhole and the cover plate outer end of the piston rod of tunable short-circuit plunger; Between feed chokes coaxial line and coupling iris, be provided with tuning screw.The wedge height that described wedge shape coupling is done load is the integral multiple of electromagnetic wave work half-wavelength.At the circular recess wave guide length direction is the direction of oscillator energy output.Also can load onto coupling iris, by coupling iris output energy at length direction.
The tunable short-circuit plunger of described circular recess wave guide is made up of preceding short-circuit piece, back short-circuit piece, dead ring, hold-doun nut, piston rod, dead ring is fixed on preceding short-circuit piece and back short-circuit piece on the piston rod by hold-doun nut between preceding short-circuit piece and back short-circuit piece.The flat shape of short-circuit piece, back short-circuit piece is circular short-circuit piece or band wing short-circuit piece before described, and circular short-circuit piece is arranged in manhole; Circular portion in the band wing short-circuit piece is arranged in manhole, in the space of band alar part between other two metal plates of manhole.The centre of described coupling iris is provided with coupling aperture, and coupling aperture is rectangular opening or circular port.
Technique effect: the utility model is based upon on the circular recess wave guide basis, and advantages such as the large scale of circular recess wave guide, high power capacity, low-loss, broadband produce directly effect to the circular recess wave guide power combiner.
1, in short millimeter, submillimeter region, because the rectangular waveguide cross sectional dimensions is very little, difficulty of processing is very big, and cost is very high, and circular recess wave guide increases a lot at above-mentioned identical service band cross sectional dimensions, and difficulty of processing reduces, and cost reduces.
2, in short millimeter, submillimeter region, the attenuation coefficient of rectangular waveguide is greatly to the degree that is difficult to accept, and the circular recess wave guide attenuation coefficient is littler one more than the order of magnitude than it, so the power combiner loss made from circular recess wave guide is little, and the quality height.
3, can obtain than the big many power output of ordinary oscillator.
If 4 complete machines or measuring system are set up with circular recess wave guide, the circular recess wave guide power combiner can be directly connected on complete machine or the measuring system so.
Description of drawings
Fig. 1 a is the front view of the utility model circular recess wave guide power combiner; Fig. 1 b be among Fig. 1 a A-A to cutaway view; Fig. 1 c is the vertical view of Fig. 1 a.
Fig. 2 a is the structural representation that last wedge shape is done load.Fig. 2 b does the structural representation of load for following wedge shape.
Fig. 3 is the structural representation of insulation strip.
Fig. 4 a is the power combiner structural representation that band wing short-circuit piece is arranged; Fig. 4 b is the power combiner structural representation that circular short-circuit piece is arranged.
Fig. 5 a is the structural representation of circular port coupling iris; Fig. 5 b is the structural representation of rectangular opening coupling iris.
Last insulation strip 1a is arranged among the above figure, following insulation strip 1b, preceding metallic plate 2, wedge shape coupling is done load 3, bolt 4, back metallic plate 5, the base of transistor 6, base of transistor nut 7, following radial transmission line 8, transistor 9, last radial transmission line 10, feed chokes coaxial line 11, coaxial outer conductor 12, coaxial line nut 13, coaxial cable socket 14, insulating case 15, the nut 16 of allotment screw, tuning screw 17, preceding short-circuit piece 18, back short-circuit piece 19, dead ring 20, hold-doun nut 21, piston rod 22, cover plate 23, manhole 24, space 25 between two metallic plates, coupling iris 26.Band wing short-circuit piece 181, circular short-circuit piece 182, circular port coupling iris 261, rectangular opening coupling iris 262.
Embodiment
The utility model was realized by following several steps
(1) circular recess wave guide:
Get two metal plates that finished size is identical, dull and stereotyped length is needed to decide by design, material can adopt copper, brass, good conductors such as alloy aluminum, dull and stereotyped width is relevant with the operation wavelength λ of transmission with height, λ is a free space wavelength, the edge on metal plate two limits is fixing with bolt 4, on end face, the below, with the boundary line of two plane contact is that center line is along its length on (being Z-direction), respectively mill an elongated slot down, place insulation strip and the dried load 3 of wedge shape coupling in the groove, length is identical with circular recess wave guide, then in the end face symmetrical centre, along its length, manhole 24 of boring, diameter D=0.62 λ～2.02 λ in hole pull down bolt 4, the every side that metallic plate is porose, mill half height of designed two metal plate spacings.
It is to be used for absorbing the electromagnetic critical component that arrives the metal plate edge that wedge shape coupling is done load 3,
It absorbs electromagnetic solid-state material with graphite or other and makes.Wedge height=0.5 λ～4 λ of wedge part.Insulation strip 1 is used for separating two metallic plates, and wedge shape coupling is done the length of the length of load and insulation strip with power combiner, and insulating material can be used bakelite, pottery etc.
Wedge shape matched load, insulation strip and two metal plates after above-mentioned processing fix with bolt 4 again, and many to through hole in the direction boring of vertical insulation strip down then, the diameter that passes insulation strip is the diameter of base of transistor screw rod.Just go up the hole of the dried load of insulation strip and last wedge shape coupling bottom then and expand coaxial line nut 13 external diameters to, then will go up the hole of the dried load wedge part of wedge shape coupling and expand the coaxial outer conductor external diameter to; The base apertures that to descend insulation strip and following wedge shape coupling to do load then expands the external diameter of the nut 7 of the base of transistor to.
Other in " transistor to " position at last along hole of two parallel-plate centerline direction borings, as the usefulness of the nut 16 that embeds the allotment screw.
(2) assembling of " transistor to ":
1. first pair of transistorized assembling
A, first transistorized assembling
The following radial transmission line 8 and the base of transistor 6 add can be processed into one man-hour, and for packaged transistor, there is internal thread at following radial transmission line center, screws in wherein for transistor 9.For the transistor chip of encapsulation not, following radial transmission line center has the degree of depth only to be half pit of chip thickness, the usefulness of putting into for chip.The base of transistor nut 7 that has external screw thread to screw in above the base of transistor to be embedded in down on the insulation strip.
Last radial transmission line 10 and feed chokes coaxial inner conductor add can be processed into one man-hour, and the other end of feed chokes coaxial inner conductor is contained in the cable socket 14 inner wire holes on the insulation strip, and fixes it.Feed chokes coaxial line is to make outer conductor by metallic cylinder, inner wire is the conductor of a diameter for (0.2～0.25) λ, the cylinder that one section quarter-wave length is only arranged, diameter separates with the teflon insulation thin layer between the cylinder short-circuiting plug part internal and external conductor for (0.4～0.25) λ it and coaxial outer conductor edge are quarter-wave integral multiple to the distance of this cylinder end face.The coaxial line other parts, the insulation of making of ECCOSORB materials such as (Ai Kesubo) between the internal and external conductor be again strong absorb electromagnetic sleeve and separate, upper and lower radial transmission line measure-alike coils thick＜0.3 λ.
Upper and lower radial transmission line, the base of transistor and nut, feed chokes coaxial line and nut are all made with good conductor such as brass etc.
B, second transistorized assembling
Other is identical with first transistor.Unique locus difference that is contained in the circular recess wave guide that is not both, two transistors form first to " transistor to " if first transistor is in Z=0, X=0, the Y=+Y1 place, second transistor just is in Z=0～2 λ, X=0, the Y=-Y1 place, the rest may be inferred.(wherein X, Y, Z are respectively the three-dimensionals in the three-dimensional cartesian coordinate system)
2. second pair of transistorized assembling
First pair of transistor of other and assembling is identical, has the locus difference in circular recess wave guide only, and second is positioned on the axis of manhole 24 equally to " transistor to " and first pair of transistor, it and first to " transistor to " segment distance of being separated by.
3. n is to the assembling of " transistor to "
Other is the same with former " transistor to ", has the locus difference in circular recess wave guide only, and is a pair of along the axis of manhole 24, a pair of arrangement.
(3) circular recess wave guide short-circuit plunger
In the manhole 24 in circular recess wave guide short-circuit plunger is housed.The tunable short-circuit plunger of circular recess wave guide is made up of preceding short-circuit piece 18, back short-circuit piece 19, dead ring 20, hold-doun nut 21, piston rod 22, dead ring 20 is fixed on preceding short-circuit piece 18 and back short-circuit piece 19 on the piston rod 22 by hold-doun nut 21 between preceding short-circuit piece 18 and back short-circuit piece 19.Piston rod 22 passes circular recess wave guide end face cover plate 23 and links to each other with the spiral micrometer.The flat shape of short-circuit piece 18, back short-circuit piece 19 is circular short-circuit piece or band wing short-circuit piece before described, and circular short-circuit piece is arranged in manhole 24; Circular portion in the band wing short-circuit piece is arranged in manhole 24, in the space of band alar part between manhole 24 other two metal plates.
The diameter of a circle of short-circuit piece is slightly less than the diameter of manhole 24, and the wall of short-circuit piece and manhole 24 is not touched and is advisable during with regulating piston.But slot should be as far as possible little between the two, and the chord in the band wing short-circuit piece is 1 λ～3 λ, and the teflon insulation ring set is on connecting rod.
Short-circuit piece is with good conductors such as brass, and the circle dead ring is with materials such as polytetrafluoroethylene, and piston rod is made as steel with hard metal etc.
(4) tuning screw
In circular recess wave guide, between n is to " transistor to " (last to) and coupling iris 26, tuning screw 17 is housed, its screws in the nut 16 of the allotment screw on insulation strip.
(5) coupling iris (output window)
Under normal conditions, the energy that produces is along the direction output of circular recess wave guide Z＞0, but also can adorn a coupling iris apart from adjustment screw 17 the right, the energy that produces is by the direction output of coupling iris 26 to circular recess wave guide Z＞0, coupling iris is made with good conductors such as brass, thickness δ＜0.5 λ, and its symmetrical centre has coupling aperture, the shape in hole can be circular, also can be rectangle.
(6) general assembly
This circular recess wave guide power combiner adopts and goes up insulation strip 1a, insulation strip 1b separates the promptly preceding metal plate 2 of two metal plates, back metal plate 5 down, last insulation strip 1a, following insulation strip 1b lay respectively at two both sides between the metal plate, at last insulation strip 1a, down insulation strip 1b inboard is respectively equipped with wedge shape coupling and does load 3, be provided with a manhole 24 that is D along the length direction and the diameter of flat board in the symmetrical centre of two metal plate end faces and constitute circular recess wave guides; Be respectively equipped with a cover plate 23 and coupling iris 26 in the both sides of circular recess wave guide; Be provided with one or more pairs of and the manhole 24 perpendicular base of transistor 6 and feed chokes coaxial line 11 in the space between two metal plates, each base of transistor 6 corresponding feed chokes coaxial line 11 is positioned on same the axis; An end that is positioned at manhole 24 at the base of transistor 6 is provided with radial transmission line 8 down, and the other end of the base of transistor 6 is fixed on the base of transistor nut 7; An end that is positioned at manhole at feed chokes coaxial line 11 is provided with radial transmission line 10, and the other end of feed chokes coaxial line 11 is fixed on the coaxial line nut 13; Transistor 9 is located on the base of transistor 6 and is descending between radial transmission line 8 and the last radial transmission line 10; Cover plate 23 inboards on manhole 24 axis also are provided with the tunable short-circuit plunger of circular recess wave guide, and stretch out outside manhole 24 and the cover plate 23 outer end of the piston rod 22 of tunable short-circuit plunger; Between feed chokes coaxial line 11 and coupling iris 26, be provided with adjustment screw 17.
1. other part deoils clean with each
2. the short-circuit plunger of feed chokes coaxial line 11 inner wires that have radial transmission line 10 is partly wrapped insulating barrier, put the electromagnetic insulating case 15 of strong absorption on the output coaxial cable inner wire partly and carefully it is put into coaxial outer conductor 12.
3. embed coaxial line nut 13 on last insulation strip feed chokes coaxial line is screwed in wherein, the nut 16 that embeds the allotment screw then on last insulation strip screws in tuning screw 17 wherein.
4. on following insulation strip, embed base of transistor nut 7 transistor 9 is screwed under radial transmission line 8 and with the base of transistor 6 screw-in base of transistor nuts 7.
5. be assembled into short-circuit plunger by Fig. 1 mode.
6. above each part is pressed Fig. 1 mode and two metal plates of circular recess wave guide 2,5, load 3 of wedge shape and insulation strip 1 usefulness bolt 4 fix, must make feed chokes coaxial line this moment, go up radial transmission line, transistor, radial transmission line and the base of transistor are on same the axis down, and keep the electrical property contact good.
7. on last insulation strip cable socket is installed, its inner wire and feed chokes coaxial line are joined, promptly coaxial inner conductor passes cable socket inner wire hole, and fixes it, makes between the outer conductor to contact.
8. connect cover plate 23 at the circular recess wave guide left end, the short-circuit plunger connecting rod is connected by cover central hole and with the spiral micrometer.
9. in some cases, when directly being connected with rectangular waveguide system or complete machine, connect coupling iris 26 at the circular recess wave guide right-hand member as need.
Claims (6)
1, a kind of circular recess wave guide power combiner, comprise insulation strip, following insulation strip, metal plate, wedge shape coupling is done load, it is characterized in that this circular recess wave guide power combiner adopts upward insulation strip (1a), following insulation strip (1b) separates the promptly preceding metal plate (2) of two metal plates, back metal plate (5), last insulation strip (1a), following insulation strip (1b) lays respectively at two both sides between the metal plate, at last insulation strip (1a), following insulation strip (1b) inboard is respectively equipped with wedge shape coupling and does load (3), and being provided with one in the symmetrical centre of two metal plate end faces is that the manhole (24) of D constitutes circular recess wave guide along dull and stereotyped length direction and diameter; Be respectively equipped with a cover plate (23) and coupling iris (26) in the both sides of circular recess wave guide; Be provided with one or more pairs of in the space between two metal plates and the perpendicular base of transistor (6) and the feed chokes coaxial line (11) of manhole (24), the corresponding feed chokes coaxial line of each base of transistor (6) (11) is positioned on same the axis; An end that is positioned at manhole (24) at the base of transistor (6) is provided with radial transmission line (8) down, and the other end of the base of transistor (6) is fixed on the base of transistor nut (7); An end that is positioned at manhole at feed chokes coaxial line (11) is provided with radial transmission line (10), and the other end of feed chokes coaxial line (11) is fixed on the coaxial line nut (13); Transistor (9) is located on the base of transistor (6) and is positioned between following radial transmission line (8) and the last radial transmission line (10); Cover plate (23) inboard on manhole (24) axis also is provided with the tunable short-circuit plunger of circular recess wave guide, and stretch out outside manhole (24) and the cover plate (23) outer end of the piston rod of tunable short-circuit plunger (22); Between feed chokes coaxial line (11) and coupling iris (26), be provided with adjustment screw (17).
2, circular recess wave guide power combiner according to claim 1 is characterized in that the wedge height that described wedge shape coupling is done load (3) is the integral multiple of electromagnetic wave work half-wavelength.
3, circular recess wave guide power combiner according to claim 1 is characterized in that at the circular recess wave guide length direction it being the direction of oscillator energy output.
4, circular recess wave guide power combiner according to claim 1, it is characterized in that the tunable short-circuit plunger of described circular recess wave guide is made up of preceding short-circuit piece (18), back short-circuit piece (19), dead ring (20), hold-doun nut (21), piston rod (22), dead ring (20) is positioned between preceding short-circuit piece (18) and the back short-circuit piece (19), by hold-doun nut (21) preceding short-circuit piece (18) and back short-circuit piece (19) is fixed on the piston rod (22).
5, circular recess wave guide power combiner according to claim 4 is characterized in that the flat shape of described preceding short-circuit piece (18), back short-circuit piece (19) is circular short-circuit piece or band wing short-circuit piece, and circular short-circuit piece is arranged in manhole (24); Circular portion in the band wing short-circuit piece is arranged in manhole (24), and the band alar part is arranged in the space between other two metal plates of manhole (24).
6, circular recess wave guide power combiner according to claim 1 is characterized in that the centre of described coupling iris (26) is provided with coupling aperture, constitutes circular port coupling iris (261) or rectangular opening coupling iris (262).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420079784 CN2738411Y (en) | 2004-09-27 | 2004-09-27 | Round groove waveguide power synthesizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420079784 CN2738411Y (en) | 2004-09-27 | 2004-09-27 | Round groove waveguide power synthesizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2738411Y true CN2738411Y (en) | 2005-11-02 |
Family
ID=35348315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420079784 Expired - Fee Related CN2738411Y (en) | 2004-09-27 | 2004-09-27 | Round groove waveguide power synthesizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2738411Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100352793C (en) * | 2006-01-20 | 2007-12-05 | 杨鸿生 | Groove waveguide microwave chemical reaction equipment for ethene preparation by natural gas and preparation method thereof |
-
2004
- 2004-09-27 CN CN 200420079784 patent/CN2738411Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100352793C (en) * | 2006-01-20 | 2007-12-05 | 杨鸿生 | Groove waveguide microwave chemical reaction equipment for ethene preparation by natural gas and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051102 Termination date: 20110927 |