CN208738408U - A kind of waveguide H-T knot and millimeter waveguide planar power distribution synthesis network - Google Patents
A kind of waveguide H-T knot and millimeter waveguide planar power distribution synthesis network Download PDFInfo
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Abstract
The utility model discloses a kind of waveguide H-T knot and millimeter waveguide planar power distribution synthesis networks, belong to the power divider/synthesizer in microwave and millimeter wave passive device field.The utility model waveguide H-T knot includes three standard rectangular waveguides, further includes matching of waveguide structure, and matching of waveguide structure includes the hierarchic structure in waveguide cavity and the narrowed structure at first wave guide pipe end.The power divider and power combiner of the utility model millimeter waveguide planar power synthesis network are to become basic unit with waveguide H-T to carry out binary tree cascade realization.Good matching effect may be implemented in the utility model waveguide H-T knot, and structure is simple, realization easy to process.The planar waveguide power distribution synthesis network structure of the utility model is simple, compact, it is easy to accomplish, structure design is very ingenious, space can be greatly saved, to help to realize the miniaturization of device.
Description
Technical field
The utility model relates to a kind of waveguide H-T knot and millimeter waveguide planar power distribution synthesis networks, belong to microwave
Power divider/synthesizer in millimeter wave passive device field is particularly suitable for application as satellite communication microwave channel plant capacity
The power combiner of amplifier.
Background technique
To the higher communications band development such as Ka, message capacity is increasing, thus required micro- for satellite communication
The power of wave millimeter wave radio equipment is increasing, but in the defeated of the single solid-state power amplifier chip of microwave and millimeter wave frequency range
Power limited out, thus the mode of power combing is all made of in the high band solid-state power amplifier of satellite communication.
Currently, applying most power synthetic techniques in these frequency ranges is space power synthesis in waveguide.Space in waveguide
Power combining efficiency when power combing can efficiently solve the heat dissipation of each power single-chip but also improve multichannel synthesis, it is more suitable
It closes and is applied to generate biggish complete machine power output in these frequency ranges.Therewith, how to design amplitude-phase consistency it is good, insertion damage
Waveguide spatial power synthesis network small, small in size is consumed, just at development high-power output microwave and millimeter wave power amplifier
One of bottleneck.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of waveguide H-T knot and the distribution of millimeter waveguide planar power
Network is synthesized, waveguide H-T knot has the characteristics that matching is good, and the network is high with amplitude-phase consistency, insertion loss is small, volume
Small, the characteristics of combined coefficient is high, bandwidth.
In order to solve the above technical problems, technical solution adopted in the utility model is:
A kind of waveguide H-T knot, including three standard rectangular waveguides, wherein second waveguide pipe is located at third waveguide
On same straight line, first wave conduit and second, third waveguide are perpendicular；In addition, further including matching of waveguide structure, the waveguide
Mating structure includes the hierarchic structure in waveguide cavity and the narrowed structure at first wave guide pipe end；The ladder
Structure face first wave conduit, the hierarchic structure run through entire waveguide cavity, the hierarchic structure and waveguide in the vertical direction
The side wall of chamber is not in contact, and the hierarchic structure is made of stacked lower section cuboid metal block and top cuboid metal block,
The size of top cuboid metal block is less than the size of lower section cuboid metal block；The narrowed structure is positioned at first wave conduit
Vertical metal column at two narrow side of end interface.
The utility model also provides a kind of millimeter waveguide planar power distribution synthesis network comprising waveguide power distribution
Device and waveguide power synthesizer；The waveguide power distributor and waveguide power synthesizer are integrated in the form of cavity same
In device noumenon, waveguide power distributor and waveguide power synthesizer are binary tree cascade structure；The binary tree
Shape cascade structure becomes basic unit with waveguide H-T as described above, and the first wave conduit of next stage waveguide H-T knot passes through directly
Waveguide is connect with second or third waveguide that upper level waveguide H-T is tied；The chopped-off head waveguide of two binary tree cascade structures
The direction of the first wave conduit of H-T knot on the contrary, the distributed areas of two binary tree cascade structures are parallel to each other, two two into
The series for making tree-like cascade structure is identical；All final stage waveguides of two binary tree cascade structures pass through waveguide E face
90 ° of ladder transition bent angles are oriented to same direction, and are opened on the same outer surface of described device ontology by straight wave guide；Two
In a binary tree cascade structure, the first wave conduit of the chopped-off head waveguide H-T of one knot by first wave guide structural openings in
On one side surface of described device ontology, the first wave conduit of the chopped-off head waveguide H-T knot of another one is opened by second waveguide structure
Mouth is on the contralateral surface of described device ontology.
In a kind of more specific situation, the first wave guide structure is straight wave guide, and the second waveguide structure is by straight wave
It leads and two waveguide E faces, 90 ° of ladder transition bent angle compositions.
In a kind of more specific situation, the waveguide dimensions of the waveguide power synthesizer are distributed less than the waveguide power
The waveguide dimensions of device.
In a kind of more specific situation, the binary tree cascade structure is 2,3,4 or 5 grades of cascades.
In a kind of more specific situation, in the waveguide power distributor, two sides of at least one waveguide H-T knot
To arm length etc., to make output waveguide that there are 90 ° of phase differences；The correspondence waveguide H-T of the waveguide power synthesizer is tied
Two lateral arm lengths differ, to eliminate phase difference caused by waveguide power distributor.
In a kind of more specific situation, described device ontology includes three blocks of upper, middle and lower laminate, is led between three blocks of laminates
It crosses screw to be fastenedly connected, the lower surface of the top plate has the first mo(u)ld top half face, and the upper surface of the middle plate has under first
Type face, the lower surface of the middle plate have the second mo(u)ld top half face, and the upper surface of the lower plywood has the second mo(u)ld bottom half face, and described the
One mo(u)ld top half face and the first mo(u)ld bottom half face constitute the first type chamber, and second mo(u)ld top half face and the second mo(u)ld bottom half face constitute second type chamber, described
Waveguide power distributor and waveguide power synthesizer separately include in the first type chamber and second type chamber.
In a kind of more specific situation, opening corresponding to all final stage waveguides of the waveguide power distributor with
The phase of described device ontology is distributed in opening Monodispersed corresponding to all final stage waveguides of the waveguide power synthesizer
It answers on outer surface；According to the corresponding relationship between two groups of openings, two openings to correspond to each other close on distribution.
Generated beneficial effect is the utility model in terms of existing technologies by adopting the above technical scheme:
1, good matching effect may be implemented in the utility model waveguide H-T knot, and structure is simple, realization easy to process.
2, the planar waveguide power distribution synthesis network structure of the utility model is simple, compact, it is easy to accomplish, structure is set
Meter is very ingenious, space can be greatly saved, to help to realize the miniaturization of device.
3, the utility model planar waveguide power distribution synthesis network can be used for developing power synthesis amplifier, wherein function
Rate distribution synthesis network portion respectively, can be debugged individually with power amplifier basic unit, and all participation function
The amplifier basic unit of rate synthesis is all disposed within the side of planar waveguide power synthesis network, and such structure is conducive to power
Amplifier basic unit module radiates.In addition, the function developed based on synthesizing network by the planar waveguide power distribution
In rate combining amplifier, the separable design of power amplifier basic unit module, when basic unit failure, carries out in which can be convenient
Maintenance and replacement.
4, further, in the utility model planar waveguide power distribution synthesis network, the waveguide of waveguide power synthesizer
Size is less than the waveguide dimensions of waveguide power distributor, in this way, improving the table of waveguide cavities in combined high precision processing technology
In the case where the finish of face, the insertion loss of waveguide power synthesizer can be substantially reduced, waveguide power is farthest improved
The power combining efficiency of combining amplifier.
5, further, the waveguide power distributor in the utility model planar waveguide power combing distribution network and waveguide
The length of two lateral support arms of the waveguide H-T knot in power combiner is adjusted, and makes input waveguide H-T knot and output waveguide
Two support arms of H-T knot realize 90 ° of complementary phase differences respectively, it is possible thereby to realize balanced power amplifiers, the structure is more
The stationary wave characteristic of port can be effectively improved when the power combing of road.
Detailed description of the invention
Fig. 1 is a kind of three dimensional structure diagram of waveguide H-T knot in the embodiment of the present invention；
Fig. 2 is the waveguide cavity structural schematic diagram of waveguide H-T knot in Fig. 1；
Fig. 3 is the S parameter simulation result diagram of the knot of waveguide H-T shown in Fig. 1；
Fig. 4 is a kind of waveguide power distributor of millimeter waveguide planar power distribution synthesis network in the embodiment of the present invention
With the cavity body structure schematic diagram of waveguide power synthesizer；
Fig. 5 is the S parameter simulation result of millimeter waveguide planar power synthesis network in the case of not doing arm length adjustment
Figure；
Fig. 6 is the side view that millimeter waveguide planar power synthesizes network device noumenon in the embodiment of the present invention；
Fig. 7 is the top view that millimeter waveguide planar power synthesizes network device noumenon in the embodiment of the present invention；
Fig. 8 is the structural schematic diagram in the first mo(u)ld bottom half face in the embodiment of the present invention；
Fig. 9 is the structural schematic diagram in the second mo(u)ld bottom half face in the embodiment of the present invention；
Figure 10 is a kind of vertical view of waveguide power distributor and waveguide power synthesizer cavity body structure in the embodiment of the present invention
Figure；
Figure 11 is that the millimeter waveguide planar power adjusted by arm length synthesizes the S parameters simulation result figure of network；
Description of symbols: first wave guide mouth 1, second waveguide mouth 2, third waveguide mouth 3, lower section cuboid metal block 4, on
Square cuboid metal block 5, left side cuboid metal block 6, right side cuboid metal block 7, power output waveguide mouth 8, power input
Waveguide mouth 9, second waveguide structure 10, waveguide power distributor level-one waveguide H-T knot 11, waveguide power distributor second level waveguide H-
T knot 12,13, waveguide power distributor three-level waveguide H-T knot 14,15,16,17, waveguide power distributor level Four waveguide H-T knot
18,19,20,21,22,23,24,25,90 ° of ladder transition bent angles of waveguide E face 26,27, standard rectangular waveguide 28, top plate
29, middle plate 30, lower plywood 31, a pair of openings 32 closed on.
Specific embodiment
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
As illustrated in fig. 1 and 2, a kind of waveguide H-T knot comprising three standard rectangular waveguide mouths, are successively first wave guide mouths
1, second waveguide mouth 2 and third waveguide mouth 3；The second waveguide mouth 2 and third waveguide mouth 3 is reversed right point-blank
Connect, first wave guide mouth 1 and second, third waveguide mouth 2,3 connection standard rectangular waveguide on broadside vertical connection；Top,
Lower section cuboid metal block 4,5 is arranged in waveguide cavity, and place is at the center of the face waveguide H T junction, top cuboid metal block
5 are arranged below on cuboid metal block 4, and the narrow side of waveguide interface is arranged in left side, right side cuboid metal block 6,7
Place；Cuboid metal block 4,5,6,7 is for realizing the matching between waveguide mouth 1,2,3.
The S parameter simulation result of above-mentioned waveguide H-T knot is as shown in Figure 3.It can be seen from the figure that waveguide H-T knot has
Good performance.
A kind of millimeter waveguide planar power synthesis network, the power divider of input terminal and the power combing of output end
Device is to add the waveguide H-T of realization to become basic unit in order to machine to carry out binary tree cascade realization.
Specifically, which becomes basic unit, waveguide power distributor and waveguide with above-mentioned waveguide H-T
Power combiner is all to tie to carry out binary tree cascade realization with waveguide H-T, and waveguide power distributor and waveguide power are closed
It grows up to be a useful person and locates on two planar, to reduce waveguide power synthesizer insertion loss and improving power combining efficiency, to make respectively
Waveguide dimensions in waveguide power synthesizer are less than the waveguide dimensions in waveguide power distributor.
The millimeter waveguide planar power synthesis network synthesis number be set as according to specific needs two tunnels, four tunnels,
Eight tunnels, 16 tunnels, 32 tunnels etc..By taking 16 road millimeter waveguide planar powers synthesize network as an example, as shown in figure 4, waveguide
It includes 8, power input waveguide mouths 9 of a power output waveguide mouth that planar power, which synthesizes network,；For convenient for planar waveguide function
The machining that rate synthesizes network realizes, is provided with second waveguide structure 10 at power input waveguide, second waveguide structure 10 be by
Waveguide Z-type transition structure composed by 90 ° of ladder transition bent angles of one straight wave guide and two waveguide E faces.
It inputs microwave signal to input through power input waveguide mouth 9, it is same to carry out power constant amplitude using level-one waveguide H-T knot 11
Phase partitioning, constant amplitude carry out the same phase partitioning of constant amplitude through second level waveguide H-T knot 12,13 again with the microwave signal after phase partitioning, then through three
Grade waveguide H-T knot 14,15,16,17 carries out the same phase partitioning of constant amplitude, then through level Four waveguide H-T knot 18,19,20,21,22,23,
24,25 the same phase partitioning of constant amplitude is carried out, finally carries out the signal of 16 tunnel planar waveguide power synthesis network input terminal of millimeter wave
Constant amplitude is distributed with 16 tunnels of phase.
Ten No. six power combiners are identical as 16 power dividers, there is 16 waveguide E faces on ten No. six power dividers
Also there are 16 waveguide E faces, 90 ° of ladder transition bent angles 27 on 90 ° of 26, ten No. six power combiners of ladder transition bent angle.
In addition, can also the opening corresponding to all final stage waveguides of waveguide power distributor and waveguide power synthesizer
All final stage waveguides corresponding to standard rectangular waveguide 28 is set between opening, the standard rectangular waveguide 28 is for milli
The emulation and test of metric wave planar waveguide power synthesis network performance, normal use when, do not need standard rectangular waveguide
28。
As shown in Fig. 6~9, a kind of synthesis network of millimeter waveguide planar power involved in the utility model includes upper layer
Plate 29, middle plate 30, lower plywood 31；The lower surface of top plate plate has the first mo(u)ld top half face, and the upper surface of middle plate has first
Mo(u)ld bottom half face, the lower surface of middle plate have the second mo(u)ld top half face, and the upper surface of lower plywood has the second mo(u)ld bottom half face, the first mo(u)ld top half face and
First mo(u)ld bottom half face constitutes the first type chamber, and the second mo(u)ld top half face and the second mo(u)ld bottom half face constitute second type chamber, waveguide power distributor and wave
Power combiner is led to separately include in the first type chamber and second type chamber.
Specifically, the waveguide H-T on top plate 29 provided with binary cascade is tied and for realizing matched cuboid
Metal block is also provided with for realizing the ladder of 90 ° of angled transitions of waveguide E face.Provided with binary cascade on middle plate 30
Waveguide H-T is tied and for realizing matched cuboid metal block, is also provided with for realizing the rank of 90 ° of angled transitions of waveguide E face
Ladder is also provided with the straight-through waveguide for realizing waveguide power distributor waveguide connection.It is provided on lower plywood 31 and realizes waveguide power
The straight-through waveguide of distributor waveguide and waveguide power synthesizer waveguide connection, in addition can also be set as needed on lower plywood 31
For assembling the cavity body structure of driving power chip.
In this structure, waveguide power distributor and waveguide power synthesizer are stratified and set on planar waveguide power combing net
In network, the volume and weight of planar waveguide power synthesis network is farthest reduced.
In addition, for the ease of using, can make opening corresponding to all final stage waveguides of waveguide power distributor with
The corresponding outer of described device ontology is distributed in opening Monodispersed corresponding to all final stage waveguides of waveguide power synthesizer
On surface, while according to the corresponding relationship between two groups of openings, correspond to each other two openings 32 is made to close on distribution.Emulation testing
When, the two openings 32 can be connected to by standard rectangular waveguide 28.
As shown in Figure 10, waveguide power distributor and the waveguide in network can be also synthesized to the millimeter waveguide planar power
The length of waveguide H-T knot two support arms of output in power combiner is adjusted, and makes input waveguide H-T knot and output waveguide H-T
Two support arms of knot realize 90 ° of complementary phase differences respectively, it is possible thereby to realize balanced power amplifiers.
Fig. 5 and Figure 11 is respectively to adjust without arm length and balance planar waveguide by the millimeter wave that arm length adjusts
The S parameter simulation result diagram of power synthesis network.As can be seen that after arm length adjusts (i.e. the structure of Figure 10), more
Port stationary wave characteristic can be effectively improved when the power combing of road.
The brief working principle that the utility model millimeter wave balances planar waveguide power synthesis network is as follows:
(standard rectangular waveguide 28 is only used for the emulation of millimeter waveguide planar power synthesis network performance as shown in Figure 4
And test, normal use when, do not need the structure), when input signal is motivated from power input waveguide mouth 9, input signal is first
Waveguide Z-type transition 10 is first passed through, then is divided through 11 constant amplitude of waveguide power distributor level-one waveguide H-T knot with two paths of signals is mutually divided into
Through waveguide power distributor second level waveguide H-T knot 12,13, constant amplitude inputs signal behind road at this time with two paths of signals is mutually divided into respectively
The tetra- same phase partitioning of tunnel constant amplitude of signal Yi Bei that waveguide mouth 9 motivates, the signal after branch is again through waveguide power distributor three-level waveguide
H-T knot 14,15,16,17 and waveguide power distributor level Four waveguide H-T knot 18,19,20,21,22,23,24,25 are real respectively
The existing four same phase partitionings of tunnel constant amplitude, the signal for recently entering the excitation of waveguide mouth 9 complete the 16 same phase partitionings of tunnel constant amplitude.After final branch
16 road tributary signals exported respectively through 90 ° of ladder transition bent angles 26 of waveguide E face.According to principle of reciprocity, 16 tunnel waveguide powers are closed
It grows up to be a useful person identical as 16 tunnel waveguide power distributors.
Claims (8)
1. a kind of waveguide H-T knot, including three standard rectangular waveguides, wherein second waveguide pipe and third waveguide are located at together
On one straight line, first wave conduit and second, third waveguide are perpendicular；It is characterized in that, further include matching of waveguide structure, it is described
Matching of waveguide structure includes the hierarchic structure in waveguide cavity and the narrowed structure at first wave guide pipe end；It is described
Hierarchic structure face first wave conduit, the hierarchic structure run through entire waveguide cavity in the vertical direction, the hierarchic structure with
The side wall of waveguide cavity is not in contact, and the hierarchic structure is by stacked lower section cuboid metal block and top cuboid metal block group
At the size of top cuboid metal block is less than the size of lower section cuboid metal block；The narrowed structure is positioned at first wave
Vertical metal column at two narrow side of catheter tip interface.
2. a kind of millimeter waveguide planar power distribution synthesis network, including waveguide power distributor and waveguide power synthesizer；
It is characterized in that, the waveguide power distributor and waveguide power synthesizer are integrated in the same device noumenon in the form of cavity
In, waveguide power distributor and waveguide power synthesizer are binary tree cascade structure；The binary tree level link
Structure becomes basic unit with waveguide H-T as described in claim 1, and the first wave conduit of next stage waveguide H-T knot passes through directly
Waveguide is connect with second or third waveguide that upper level waveguide H-T is tied；The chopped-off head waveguide of two binary tree cascade structures
The direction of the first wave conduit of H-T knot on the contrary, the distributed areas of two binary tree cascade structures are parallel to each other, two two into
The series for making tree-like cascade structure is identical；All final stage waveguides of two binary tree cascade structures pass through waveguide E face
90 ° of ladder transition bent angles are oriented to same direction, and are opened on the same outer surface of described device ontology by straight wave guide；Two
In a binary tree cascade structure, the first wave conduit of the chopped-off head waveguide H-T of one knot by first wave guide structural openings in
On one side surface of described device ontology, the first wave conduit of the chopped-off head waveguide H-T knot of another one is opened by second waveguide structure
Mouth is on the contralateral surface of described device ontology.
3. millimeter waveguide planar power distribution synthesis network according to claim 2, which is characterized in that the first wave
Guide structure is straight wave guide, and the second waveguide structure is made of 90 ° of ladder transition bent angles of straight wave guide and two waveguide E faces.
4. millimeter waveguide planar power distribution synthesis network according to claim 2, which is characterized in that the wave guide power
The waveguide dimensions of rate synthesizer are less than the waveguide dimensions of the waveguide power distributor.
5. millimeter waveguide planar power distribution synthesis network according to claim 2, which is characterized in that the binary system
Tree-like cascade structure is 2,3,4 or 5 grades of cascades.
6. millimeter waveguide planar power distribution synthesis network according to claim 2, which is characterized in that the wave guide power
In rate distributor, two lateral arm lengths of at least one waveguide H-T knot are differed, so that output waveguide be made to have 90 ° of phases
Potential difference；Two lateral arm lengths of the correspondence waveguide H-T knot of the waveguide power synthesizer differ, to eliminate waveguide power
Phase difference caused by distributor.
7. millimeter waveguide planar power distribution synthesis network according to claim 2, which is characterized in that described device sheet
Body includes three blocks of upper, middle and lower laminate, is fastenedly connected between three blocks of laminates by screw, and the lower surface of the top plate has the
One mo(u)ld top half face, the upper surface of the middle plate have the first mo(u)ld bottom half face, and the lower surface of the middle plate has the second mo(u)ld top half face, institute
The upper surface for stating lower plywood has the second mo(u)ld bottom half face, and first mo(u)ld top half face and the first mo(u)ld bottom half face constitute the first type chamber, and described the
Two mo(u)ld top half faces and the second mo(u)ld bottom half face constitute second type chamber, the waveguide power distributor and waveguide power synthesizer separately include in
In first type chamber and second type chamber.
8. millimeter waveguide planar power distribution synthesis network according to claim 2, which is characterized in that the wave guide power
Opening corresponding to all final stage waveguides of rate distributor and all final stage waveguides institute of the waveguide power synthesizer are right
It is distributed in the outer surfaces of described device ontology to the opening Monodispersed answered；According to the corresponding relationship between two groups of openings,
Two openings to correspond to each other close on distribution.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112216943A (en) * | 2020-12-01 | 2021-01-12 | 南京纳特通信电子有限公司 | Ku wave band power synthesizer and amplifier |
| CN114050391A (en) * | 2021-10-30 | 2022-02-15 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Broadband arbitrary power distribution ratio H-plane waveguide power divider |
-
2018
- 2018-10-15 CN CN201821668506.XU patent/CN208738408U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112216943A (en) * | 2020-12-01 | 2021-01-12 | 南京纳特通信电子有限公司 | Ku wave band power synthesizer and amplifier |
| CN112216943B (en) * | 2020-12-01 | 2021-03-26 | 南京纳特通信电子有限公司 | Ku wave band power synthesizer and amplifier |
| CN114050391A (en) * | 2021-10-30 | 2022-02-15 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Broadband arbitrary power distribution ratio H-plane waveguide power divider |
| CN114050391B (en) * | 2021-10-30 | 2022-08-30 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Broadband arbitrary power distribution ratio H-plane waveguide power divider |
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