CN107749509A - A kind of microwave multi-path radial waveguide power distribution synthesizes passive network - Google Patents
A kind of microwave multi-path radial waveguide power distribution synthesizes passive network Download PDFInfo
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- CN107749509A CN107749509A CN201711193505.4A CN201711193505A CN107749509A CN 107749509 A CN107749509 A CN 107749509A CN 201711193505 A CN201711193505 A CN 201711193505A CN 107749509 A CN107749509 A CN 107749509A
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- 230000015572 biosynthetic process Effects 0.000 claims abstract description 31
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 31
- 230000007704 transition Effects 0.000 claims description 17
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 12
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 12
- 239000007769 metal material Substances 0.000 claims description 6
- -1 polytetrafluoroethylene Polymers 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 8
- 238000011160 research Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 3
- 239000000523 sample Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/12—Coupling devices having more than two ports
- H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
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Abstract
A kind of microwave multi-path radial waveguide power distribution synthesizes passive network, including two port sections, two radial waveguide power combing distributor lateral hatch, a radial waveguide power combing main distributor structure, N number of power amplifier unit and two Supporting Medias；The structure of two port sections is identical, and the structure of two radial waveguide power combing distributor lateral hatch is identical；The center section of radial waveguide power combing main distributor structure is plate-like, the left and right sides of radial waveguide power combing main distributor structure symmetrically respectively connects the radial waveguide power combing distributor lateral hatch of a plate-like, the outside centre position connection a port part of single radial waveguide power combing distributor lateral hatch；The present invention be directed to the research that certain model electronic warfare system broadband high power amplifier needs to carry out, purpose is to design a kind of multichannel microwave radial waveguide power synthesis network, make multichannel microwave small-signal when carrying out multichannel power distribution and synthesis, the characteristic that can realize that network path loss is relatively low, power capacity is larger, bandwidth of operation is wider etc., at the same and can enough realize small volume, it is compact-sized, easy for installation the advantages that.
Description
Technical field
The present invention relates to passive network field, is synthesized more particularly, to a kind of microwave multi-path radial waveguide power distribution passive
Network.
Background technology
With microwave technology developing rapidly in fields such as radar, communications, to small size, efficient power amplifier
It is required that more and more higher, small size multi-channel radial waveguide spatial power combiner as microwave telecommunication system a critical component
Through an important research direction as microwave communication techniques.At present, in the limited feelings of single solid state power amplifier chip power output
Under condition, output power of transmitter is generally improved using power synthetic technique.Various forms of power combining structures occur one after another, closely
There is the focus that high efficiency, powerful quasi-optical and space power synthesis technology have been increasingly becoming research over year.Power combing net
The volume of network and loss directly decide power amplifier volume and efficiency, therefore small size, low insertion loss synthesis network are set
Meter is the core of power synthetic technique.Therefore, miniaturization, broadband, the power combiner of high power capacity are studied to current high
The microwave communication of power domain, electronic countermeasure, Space TT＆C system are most important.
The content of the invention
It is an object of the invention to provide a kind of microwave multi-path radial waveguide power distribution to synthesize passive network, realizes network
The purpose that path loss is relatively low, power capacity is larger, bandwidth of operation is wider.
The technical scheme is that：
A kind of microwave multi-path radial waveguide power distribution synthesizes passive network, including two port sections, two radial waveguide work(
Rate synthesizes distributor lateral hatch, a radial waveguide power combing main distributor structure, N number of power amplifier unit and two supports
Medium；The structure of two port sections is identical, and the structure of two radial waveguide power combing distributor lateral hatch is identical；
The center section of radial waveguide power combing main distributor structure is plate-like, radial waveguide power combing main distributor
The left and right sides of structure symmetrically respectively connects the radial waveguide power combing distributor lateral hatch of a plate-like, single radial waveguide
The outside centre position connection a port part of power combing distributor lateral hatch；
The centre position of the left and right side of radial waveguide power combing main distributor structure is provided with multistage impedance mapped structure, more
Rank impedance mapped structure is provided with the conical transition portion of cone, and the top in conical transition portion is provided with shaft-like thimble；Multistage resistance
Center of the center line of anti-mapped structure, conical transition portion and thimble with radial waveguide power combing main distributor structure
Line overlaps；
Circumferentially it is all provided with the outside of annular boss on the left and right side of the radial waveguide power combing main distributor structure
There is N number of tabular tiltedly split dividing plate, tiltedly split that dividing plate is wedge shape, tiltedly splitting dividing plate includes tip and the dividing plate bottom relative with apical location
Face, the wedge-shaped tip for tiltedly splitting dividing plate are radially oriented the center line of waveguide power synthesis main distributor structure, radial waveguide work(
The external circumferential side of rate synthesis main distributor structure is provided with the first faceted pebble of N number of same shape, the first adjacent faceted pebble
Between be stupefied, be radially oriented waveguide power synthesis main distributor structure on the outside of dividing plate bottom surface by two the first adjacent faceted pebbles
Extension plane formed, i.e., tiltedly splitting the bottom surface of dividing plate includes two inclined-planes, two inclined-planes respectively with each adjacent the first rib
The concordant simultaneously integrally connected in face；
Radial waveguide power combing distributor lateral hatch includes the port joint face positioned at side and the distribution positioned at opposite side
Device side, the centre position of distributor side are provided with the tapered recess being recessed laterally, tapered recess and the first circular cone mistake
Shape is adapted between crossing portion, and the external circumferential of radial waveguide power combing distributor lateral hatch is provided with N number of and the first faceted pebble
Shape and the faceted pebble of position identical second；The top of tapered recess forms first through hole on the joint face of port,
In the first faceted pebble and radial waveguide power combing distributor side lid of radial waveguide power combing main distributor structure
Power amplifier unit is connected with the plane that second faceted pebble of plate is formed；
Port section is connected with the joint face of port, port section is provided with rectangular waveguide slots towards the side of port joint face.
The quantity of power amplifier unit is N=24.
Second faceted pebble is provided with the first mounting hole, corresponding that the second mounting hole is provided with power amplifier unit.
It is each tiltedly to split corresponding 3rd mounting hole on dividing plate and be provided with circumferentially arranged with multiple 3rd mounting holes on distributor side
4th mounting hole, the axial direction of the 4th mounting hole and the diameter parallel of radial waveguide power combing main distributor structure.
Thimble end is through first through hole and is equipped with Supporting Media, and Supporting Media is centre position provided with penetrating up and down
The cylinder of through hole；Supporting Media is located in rectangular waveguide slots.
The angle α of the outer side of adjacent first faceted pebble is more than 180 degree.
The material of Supporting Media is polytetrafluoroethylene (PTFE), radial waveguide power combing distributor lateral hatch, radial waveguide work(
Rate synthesis main distributor structure, the material of power amplifier unit are metal material.
Multistage impedance mapped structure is multiple annular boss being coaxially disposed, and the height of annular boss increases successively from outside to inside
Add, conical conical transition portion is located on the annular boss of highest point.
The left surface for tiltedly splitting dividing plate on the left of radial waveguide power combing main distributor structure is in the same plane, footpath
The right flank for tiltedly splitting dividing plate on the right side of to waveguide power synthesis main distributor structure is in the same plane.
The present invention is a kind of 24 tunnels（24 tunnels are not limited to, it is the amount doesn't matter）Microwave radial waveguide power distribution synthesizes passive net
Network, especially suitable for fields such as microwave communication, electronic countermeasure, space flight measurement and controls.To reach power level needed for emitter, according to should
With demand, single channel microwave signal can be divided into phase microwave small-signal by multichannel constant amplitude by multichannel radial direction power divider, its
It is secondary, to carrying out power amplification through power amplifier unit per small-signal all the way, then lead to by amplified every road microwave power signal
Cross multipath and carry out space power synthesis to waveguide power synthesizer, by through synthesizing obtained HIGH-POWERED MICROWAVES signal, be output to
Transmitting antenna.
The present invention is in terms of selection, and in addition to Supporting Media uses polytetrafluoroethylene (PTFE), other parts are all using metal material
Aluminium（But it is not limited to other metal materials such as aluminium or copper）It is process.The present invention uses single-stage multichannel radial waveguide
Power distribution synthesis mode, volume is relatively small, in light weight, compact-sized, is minimized for power amplifier significant；
Using multistage impedance mapped structure and mode transition pyramidal structure, synthesizer bandwidth of operation is greatly extended；Multichannel radial wave
Lead to employ between power divider or every two-way adjacent radial waveguide of synthesizer and tiltedly split dividing plate, add each two branch road it
Between signal isolation, improve the stability of power combing.Synthesizer insertion loss is small, and standing wave is small, substantially increases power and puts
Big device combined coefficient, reduces radiating pressure；Probe uses polytetrafluoroethylene (PTFE) Supporting Media, effectively prevents probe under short space
Wall short circuit is touched, improves synthesis network reliability；Specially probe portion is designed, effectively increases synthesizer power appearance
Amount；Power amplifier unit input/output structure is Single probe Waveguide-microbelt transformational structure, it is not necessary to weld, can directly with radial direction power
Distributor/synthesizer docking, not only working band is wide for this structure, and power attenuation is small.In addition, using segmental machining, knot
Structure is simple, easy for installation, is highly suitable to be applied for miniaturization, broadband, high power synthesis application field.
The present invention be directed to the research that certain model electronic warfare system broadband high power amplifier needs to carry out, mesh
Be design a kind of multichannel microwave radial waveguide power synthesis network, make multichannel microwave small-signal carry out multichannel power distribution
And during synthesis, the characteristics such as network path loss is relatively low, power capacity is larger, bandwidth of operation is wider can be realized, while and can reaches
Realize small volume, it is compact-sized, easy for installation the advantages that.So, both reduce power amplifier overall volume, reduce power amplifier
Integral heat sink pressure, the reliability of equipment is drastically increased again, while improve the efficiency of power amplifier complete machine again, realize
The output of wideband high-power microwave signal requires.To sum up, microwave power involved in the present invention synthesizes network in future microwave Gao Gong
Rate synthesis field will have good application prospect.
Brief description of the drawings
Fig. 1 is that microwave radial direction power distribution synthesizes passive network circuit diagram；
Fig. 2 is 24 paths to space power divider/combiner schematic diagram；
Fig. 3 is that microwave radial waveguide power distribution synthesizes passive network structural representation（After taking out 5 power amplifier units）；
Fig. 4 is the structural representation of radial waveguide power combing main distributor structure；
Fig. 5 is the structural representation of another angle of radial waveguide power combing main distributor structure；
Fig. 6 is the structural representation of radial waveguide power combing distributor lateral hatch；
Fig. 7 is radial waveguide power combing distributor lateral hatch from the structural representation in terms of right flank；
Fig. 8 is the structural representation of port section；
Fig. 9 is power amplifier unit structural representation；
Figure 10 is Supporting Media structural representation.
Embodiment
As shown in figure 1, microwave radial waveguide power distribution synthesizes passive network circuit diagram.Circuit design：From circuit
For angle, microwave radial waveguide power distribution synthesis passive network is coaxially changed by input waveguide, broadband waveguide, radial waveguide
Spatial power distributor, power amplifier unit Waveguide-microbelt transformational structure（Hereinafter referred to as power amplifier unit）, radial waveguide spatial power close
Grow up to be a useful person, broadband waveguide is coaxially changed, output waveguide composition.
Wherein：1st, input waveguide and output waveguide are individual waves guide cavity, can bear higher input or power output electricity
It is flat；
2nd, broadband waveguide is coaxially changed, and is directly probeed into probe inside rectangular waveguide slots by dielectric support using coaxial line, this
Not only power capacity is high for kind structure, simple in construction, while can realize wider bandwidth of operation；
3rd, radial waveguide spatial power distributor uses multistage impedance conversion and mode transition structure, can not only realize multichannel waveguide
Pattern and can realize wider bandwidth of operation to the function of coaxial patten transformation；
4th, power amplifier unit input/output structure uses Single probe Waveguide-microbelt transformational structure, it is not necessary to weld, can directly and footpath
Docked to power distributor/synthesizer, not only working band is wide for this structure, and power attenuation is small.
As shown in Fig. 2 radial waveguide spatial power distributor employs identical with radial waveguide spatial power combiner
Structure.The input of microwave radial waveguide power distribution synthesis passive network, output port use rectangular waveguide（It is not limited to rectangle
Waveguide or coaxial line or microstrip line）, employed per the port of road radial waveguide identical with input waveguide and output waveguide
Rectangular waveguide port（Input waveguide and output waveguide port can be more than or less than）, all radial waveguides circumferentially it is radial
Even distribution.Because axle center symmetrical structure has good phase and amplitude uniformity, so by 24（24 are not limited to, can
Determined according to radial waveguide power divider/synthesizer way）Power amplifier unit be evenly distributed in radial waveguide power divider and
Synthesizer circumference, the input and output end of each power amplifier unit correspond to one of power divider and power combiner respectively
Tributary port.
Specifically attachment structure is：
Include five kinds totally three ten as shown in figure 3, microwave multi-path radial direction power combing passive network involved in the present invention, in structure
One structural member：Two port sections 1, two radial waveguide power combing distributor lateral hatch 2, a radial waveguide power
Synthesize main distributor 3,24 power amplifier units 4 of structure, two Supporting Medias 5.The structure of two port sections 2 is identical, two
The structure of radial waveguide power combing distributor lateral hatch 2 is identical；
As shown in Figure 4,5, the center section of radial waveguide power combing main distributor structure 3 is plate-like, radial waveguide power
The left and right sides for synthesizing main distributor structure 3 symmetrically respectively connects the radial waveguide power combing distributor side lid of a plate-like
Plate 2, the outside centre position connection a port part 1 of single radial waveguide power combing distributor lateral hatch 2；
Radial waveguide power combing main distributor structure 3 includes two probe 3-1（One, the back side）, two mode transition structures
3-2（One, the back side）, two multistage impedance conversion 3-3（One, the back side）, 24 tiltedly split dividing plate 3-4,24 the 4th
Mounting hole 3-5,24 stupefied 3-6.
The centre position of the left and right side of radial waveguide power combing main distributor structure 3 is provided with multistage impedance conversion knot
Structure 3-3, multistage impedance mapped structure 3-3 are multiple annular boss being coaxially disposed, and the height of annular boss is from outside to inside successively
Increase, the annular boss of highest point are provided with the conical transition portion 3-2 of cone, and conical transition portion 3-2 top is provided with shaft-like
Thimble 3-1；The center line of annular boss, conical transition portion 3-2 and thimble 3-1 with radial waveguide power combing distributor
The center line of agent structure 3 overlaps；
Circumferentially it is all provided with the outside of annular boss on the left and right side of the radial waveguide power combing main distributor structure 3
Have it is N number of tiltedly split dividing plate 3-4, tiltedly split dividing plate 3-4 be wedge shape tabular, tiltedly split dividing plate 3-4 include tip 3-4-1 and with tip 3-4-
The relative dividing plate bottom surface 3-4-2 in 1 position, wedge-shaped tip 3-4-1 are radially oriented waveguide power synthesis main distributor structure 3
Center line, the external circumferential side of radial waveguide power combing main distributor structure 3 are provided with the first rib of N number of same shape
Face 3-7, the angle α of adjacent first faceted pebble 3-7 outer side are more than 180 degree, are stupefied 3-6 between the first adjacent faceted pebble 3-7,
The dividing plate bottom surface 3-4-2 in the outside of waveguide power synthesis main distributor structure 3 is radially oriented by two the first adjacent faceted pebble 3-7
Extension plane formed, i.e., tiltedly splitting dividing plate 3-4-2 bottom surface includes two inclined-plane 3-8, two inclined-plane 3-8 respectively with respective phase
The concordant simultaneously integrally connecteds of the first adjacent faceted pebble 3-7.
The side for tiltedly splitting dividing plate 3-4 of the same side is respectively positioned on same plane, the left surface position for tiltedly splitting dividing plate 3-4 in left side
In on same plane, the right flank for tiltedly splitting dividing plate 3-4 on right side is in the same plane.
As shown in Figure 6,7, two structures of power combing distributor 2 are identical, and its structure is included positioned at the port in left side
Joint face 2-7, part flange face 2-1, tapered recess 2-2, two flange mounting hole 2-3,48 the 3rd mounting hole 2-
4th, 24 the first mounting hole 2-5,24 stupefied 2-6.
Radial waveguide power combing distributor lateral hatch 2 is included positioned at the port joint face 2-7 in left side and positioned at right side
Distributor side 2-8, distributor side 2-8 centre position is provided with the tapered recess 2-2 being recessed laterally, conical indentation
Shape is adapted between portion 2-2 and conical transition portion 2-2, the external circumferential of radial waveguide power combing distributor lateral hatch 2
Provided with N number of and the first faceted pebble 3-7 shapes and the second faceted pebble of position identical 2-9；Tapered recess 2-2 top connects in port
First through hole 2-10 is formed on the 2-7 of face.Radial waveguide power combing distributor lateral hatch 2 is shaped as plate-like.
Distributed in the first faceted pebble 3-7 and radial waveguide power combing of radial waveguide power combing main distributor structure 3
Power amplifier unit 4 is connected with the plane that second faceted pebble 2-9 of device lateral hatch 2 is formed；
As shown in figure 8, two port sections 1 are identical, port section 1 includes part flange face 1-1, two flange mounting holes
1-2, five mounting hole 1-3, rectangular waveguide slots 1-4,
Port section 1 is connected with the joint face 2-7 of port, port section 1 is provided with rectangle towards port joint face 2-7 side
Waveguide slot 1-4.
As shown in figure 9, the quantity of power amplifier unit 4 is 24.24 power amplifier units 4 are identical, and power amplifier unit 4 wraps
Include four the first mounting hole 4-1, microstrip circuit 4-2.
Second faceted pebble 2-9 is provided with the first mounting hole 2-5, corresponding that the second mounting hole 4-1 is provided with power amplifier unit 4.
It is each tiltedly to split the corresponding 3rd on dividing plate 3-4 circumferentially arranged with multiple 3rd mounting hole 2-4 on the 2-7 of distributor side
Mounting hole 2-4 is provided with the 4th mounting hole 3-5, the 4th mounting hole 3-5 axial direction and radial waveguide power combing main distributor knot
The diameter parallel of structure 3.
Thimble 3-1 ends are through first through hole 2-10 and are equipped with Supporting Media 5, as shown in Figure 10, two Supporting Medias 5
It is identical, all it is hollow cylindrical structure.The centre position of Supporting Media 5 is provided with the cylinder of through hole penetrating up and down；Support
Medium 5 is located in rectangular waveguide slots 1-4.
Installation process is：
The first step, with screw by five mounting hole 3-1, two port sections 1 are attached separately to two power combing distributors 2
On, after installing, 1 part flange face 1-1 and 2 part flange face 2-1 at grade, forms waveguide flange face and input
Waveguide 6 and output waveguide 7；
Second step, two probe 3- by two Supporting Medias 5 mounted in two radial waveguide power combing main distributor structures 3
1 top, probe are inserted directly into the hollow space of Supporting Media 5, ensure that Supporting Media is stuck in probe 3-1 top grooves；
3rd step, the structural member that two have been installed by port section 1 and power combing distributor 2, simultaneously one is buckled in footpath
To in waveguide power synthesis main distributor structure 3, in the 2-2 for ensureing structure 3-1,3-2 insertion power combing distributor 2, together
When ensure 24 mounting hole 2-5 alignd with 24 mounting hole 3-5, by 24 mounting hole screws by two
Power combing distributor 2 fastens with radial waveguide power combing main distributor structure 3, after installation, each stupefied 2-6 and stupefied 3-6
Point-blank, after installing circumferential 24 pairs of radial waveguides 8 should be formed, while ripple is formed at probe 3-1
Not band probe transformational structure is led, is distributed in inside；
4th step, the circumference of 24 power amplifier units 4 radially waveguide power distribution/synthesizer part 3 is installed, often
One power amplifier unit 4 is installed, each power amplifier unit 4 there are four mounting hole 4-1, during installation, often holds two peaces between two stupefied 3-6
Hole 4-1 is filled, the mounting hole between the stupefied 2-6 of each two of radial waveguide power combing distributor lateral hatch 2 aligns installation, radial direction
The axial dimension L of waveguide power synthesis main distributor structure 3 can determine according to power amplifier unit dimensions length.(figure as shown in Figure 3
In for display internal structure, taken away 5 power amplifier units 4), the microwave multi-path radial direction power combing passive network finally assembled
Structure.
The technical implementation way：By the proving of early stage, substantial amounts of theoretical calculation and electromagnetic-field simulation, the microwave footpath at present
To waveguide power distributes machined synthesis passive network, assembling, debugging finish, by test, index fully meets application requirement,
Established a technical foundation for follow-up related work, while the inventive structure novelty is compact, it is in light weight, for follow-up system
The miniaturization of system provides favourable support, easy for installation, is more beneficial for the system integration.
Power divider designed by the present invention has the following advantages that：
The present invention is in terms of selection, and in addition to Supporting Media uses polytetrafluoroethylene (PTFE), other parts are all using metallic material of aluminum（But
It is not limited to other metal materials such as aluminium or copper）It is process.The present invention is using single-stage multichannel radial direction waveguide power point
With synthesis mode, volume is relatively small, in light weight, compact-sized, is minimized for power amplifier significant；Using more
Rank impedance mapped structure and mode transition pyramidal structure（Conical transition portion 3-2）, greatly extend synthesizer bandwidth of operation；Footpath
Employed between every two-way adjacent radial waveguide to waveguide power synthesis main distributor structure 3 and tiltedly split dividing plate 3-4, added
Signal isolation between each two branch road, improve the stability of power combing.Synthesizer insertion loss is small, and standing wave is small, significantly
Power amplifier combined coefficient is improved, reduces radiating pressure；Probe uses polytetrafluoroethylene (PTFE) Supporting Media 5, effectively prevents
Probe touches wall short circuit under short space, improves synthesis network reliability；Specially probe 3-1 parts are designed, effectively carried
High synthesizer power capacity；The input/output structure of power amplifier unit 4 is Single probe Waveguide-microbelt transformational structure, it is not necessary to is welded
Connect, directly can be docked with radial direction power distributor/synthesizer, not only working band is wide for this structure, and power attenuation is small.Separately
Outside, it is simple in construction, easy for installation using segmental machining, it is highly suitable to be applied for miniaturization, broadband, high power synthesis application
Field.
Claims (9)
1. a kind of microwave multi-path radial waveguide power distribution synthesizes passive network, it is characterised in that：Including two port sections, two
Individual radial waveguide power combing distributor lateral hatch, a radial waveguide power combing main distributor structure, N number of power amplifier list
Member and two Supporting Medias；The structure of two port sections is identical, two radial waveguide power combing distributor lateral hatch
Structure is identical；
The center section of radial waveguide power combing main distributor structure is plate-like, radial waveguide power combing main distributor
The left and right sides of structure symmetrically respectively connects the radial waveguide power combing distributor lateral hatch of a plate-like, single radial waveguide
The outside centre position connection a port part of power combing distributor lateral hatch；
The centre position of the left and right side of radial waveguide power combing main distributor structure is provided with multistage impedance mapped structure, more
Rank impedance mapped structure is provided with the conical transition portion of cone, and the top in conical transition portion is provided with shaft-like thimble；Multistage resistance
Center of the center line of anti-mapped structure, conical transition portion and thimble with radial waveguide power combing main distributor structure
Line overlaps；
Circumferentially it is all provided with the outside of annular boss on the left and right side of the radial waveguide power combing main distributor structure
There is N number of tabular tiltedly split dividing plate, tiltedly split that dividing plate is wedge shape, tiltedly splitting dividing plate includes tip and the dividing plate bottom relative with apical location
Face, the wedge-shaped tip for tiltedly splitting dividing plate are radially oriented the center line of waveguide power synthesis main distributor structure, radial waveguide work(
The external circumferential side of rate synthesis main distributor structure is provided with the first faceted pebble of N number of same shape, the first adjacent faceted pebble
Between be stupefied, be radially oriented waveguide power synthesis main distributor structure on the outside of dividing plate bottom surface by two the first adjacent faceted pebbles
Extension plane formed, i.e., tiltedly splitting the bottom surface of dividing plate includes two inclined-planes, two inclined-planes respectively with each adjacent the first rib
The concordant simultaneously integrally connected in face；
Radial waveguide power combing distributor lateral hatch includes the port joint face positioned at side and the distribution positioned at opposite side
Device side, the centre position of distributor side are provided with the tapered recess being recessed laterally, tapered recess and the first circular cone mistake
Shape is adapted between crossing portion, and the external circumferential of radial waveguide power combing distributor lateral hatch is provided with N number of and the first faceted pebble
Shape and the faceted pebble of position identical second；The top of tapered recess forms first through hole on the joint face of port,
In the first faceted pebble and radial waveguide power combing distributor side lid of radial waveguide power combing main distributor structure
Power amplifier unit is connected with the plane that second faceted pebble of plate is formed；
Port section is connected with the joint face of port, port section is provided with rectangular waveguide slots towards the side of port joint face.
2. microwave multi-path radial waveguide power distribution according to claim 1 synthesizes passive network, it is characterised in that：Power amplifier
The quantity of unit is N=24.
3. microwave multi-path radial waveguide power distribution according to claim 1 synthesizes passive network, it is characterised in that：Second
Faceted pebble is provided with the first mounting hole, corresponding that the second mounting hole is provided with power amplifier unit.
4. microwave multi-path radial waveguide power distribution according to claim 1 synthesizes passive network, it is characterised in that：Dividing
It is each tiltedly to split corresponding 3rd mounting hole on dividing plate and be provided with the 4th mounting hole circumferentially arranged with multiple 3rd mounting holes on orchestration side,
The axial direction of 4th mounting hole and the diameter parallel of radial waveguide power combing main distributor structure.
5. microwave multi-path radial waveguide power distribution according to claim 1 synthesizes passive network, it is characterised in that：Thimble
End is through first through hole and is equipped with Supporting Media, and Supporting Media is the cylinder that centre position is provided with through hole penetrating up and down
Shape；Supporting Media is located in rectangular waveguide slots.
6. microwave multi-path radial waveguide power distribution according to claim 1 synthesizes passive network, it is characterised in that：It is adjacent
The angle α of the outer side of first faceted pebble is more than 180 degree.
7. microwave multi-path radial waveguide power distribution according to claim 1 synthesizes passive network, it is characterised in that：Support
The material of medium is polytetrafluoroethylene (PTFE), radial waveguide power combing distributor lateral hatch, radial waveguide power combing distributor
Agent structure, the material of power amplifier unit are metal material.
8. microwave multi-path radial waveguide power distribution according to claim 1 synthesizes passive network, it is characterised in that：It is multistage
Impedance mapped structure is multiple annular boss being coaxially disposed, and the height of annular boss increases successively from outside to inside, conical
Conical transition portion is located on the annular boss of highest point.
9. microwave multi-path radial waveguide power distribution according to claim 1 synthesizes passive network, it is characterised in that：Radially
The left surface for tiltedly splitting dividing plate on the left of waveguide power synthesis main distributor structure is in the same plane, and radial waveguide power closes
The right flank for tiltedly splitting dividing plate on the right side of into main distributor structure is in the same plane.
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