CN105914442B - Ku frequency band four-path radial waveguide power combiner - Google Patents
Ku frequency band four-path radial waveguide power combiner Download PDFInfo
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- CN105914442B CN105914442B CN201610229997.7A CN201610229997A CN105914442B CN 105914442 B CN105914442 B CN 105914442B CN 201610229997 A CN201610229997 A CN 201610229997A CN 105914442 B CN105914442 B CN 105914442B
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- main body
- waveguide
- pedestal
- probe
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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
- H01P5/12—Coupling devices having more than two ports
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Abstract
The invention discloses a Ku frequency band four-path radial waveguide power combiner which comprises a main body, a base, a cover plate and a probe, wherein the main body is provided with a plurality of first waveguides and second waveguides; four first waveguide ports are uniformly arranged on the base at intervals along the circumferential direction, and the top end face of the main body covers the base so that a first waveguide cavity is formed between the main body and the base and the first waveguide ports can be communicated with the first waveguide cavity; the cover plate is covered on the bottom end face of the main body so that a second waveguide cavity is formed between the main body and the cover plate, and a second waveguide port is formed in the cover plate and communicated with the second waveguide cavity; the bottom end of the probe is fixedly connected to the top end face of the base, and the top end of the probe sequentially penetrates through the first waveguide cavity and the central through hole in the main body and extends into the second waveguide cavity; the probe is provided with a multi-stage stepped impedance transformation structure; the first waveguide port and the second waveguide port are both BJ140 standard waveguide ports. The power synthesizer has the advantages of wide working frequency band, small insertion loss, good amplitude-phase consistency and the like.
Description
Technical field
The present invention relates to microwave device fields, and in particular, to work synthesizes in four paths of Ku frequency range to waveguide power
Device.
Background technique
In microwave applications system, the size of transmitter system power determines the operating distance of whole system and anti-interference
Ability, high power amplifier are essential key components in transmitter system.Due to the output work of solid state microwave power amplifier
Rate is not high, and in order to obtain powerful output, the method for generalling use power combing is defeated by multiple power amplifier parallel synthesis
Out.In this way, the output performance of synthesis power amplifier is just largely dependent upon the performance of power combiner, and the low damage in broadband
Consumption power combiner is the key that realize microwave broadband power amplifier.
Existing power combiner configurations are complicated, insertion loss is big and amplitude-phase consistency is poor, affect power amplifier
Output effect.Therefore, it is badly in need of providing the Ku frequency that a kind of structure is simple, working band is wide, insertion loss is small, amplitude-phase consistency is good
Four paths of section are to waveguide power synthesizer.
Summary of the invention
The object of the present invention is to provide a kind of four paths of Ku frequency range to waveguide power synthesizer, which has work
Make the advantages that bandwidth, insertion loss are small, amplitude-phase consistency is good.
To achieve the goals above, the present invention provides a kind of four paths of Ku frequency range to waveguide power synthesizer, including master
Body, pedestal, cover board and probe；Circumferentially uniform intervals are set there are four first wave guide mouth on pedestal, and the top end face of main body is located at
So that being formed with first wave guide cavity between main body and pedestal and first wave guide mouth can be connected with first wave guide cavity on pedestal
It is logical；Cover plate lid is located on the bottom face of main body so that being formed with second waveguide chamber between main body and cover board, and cover board is equipped with one
A second waveguide mouth and second waveguide mouth is connected with second waveguide chamber；Wherein, the bottom end of probe is fixed in the top end face of pedestal
On, top sequentially passes through the central through hole in first wave guide cavity and main body and extends into second waveguide chamber cavity；It is set on probe
There is multistage step impedance conversion structure；First wave guide mouth and second waveguide mouth are BJ140 standard waveguide mouth.
Preferably, main body is upwardly extended for the edge of cross plate and top end face so that forming one inside cross plate
Cross type groove is formed with gradual change step structure on the slot inner wall of cross type groove；The bottom face part of cross plate raises upward shape
The open rectangular channel that can be matched with cover board at one is formed with gradual change step structure on the slot inner wall of rectangular channel.
Preferably, a through-hole is equipped at the center of cross plate, the diameter of through-hole is 4-6mm.
Preferably, part is recessed inwardly to form a positioning groove at the center of the bottom face of pedestal, and the slot bottom of locating slot is equipped with
A positioning hole, passing through location hole by cheese head screw can match with the internal thread hole on the bottom end of probe to fix probe
Position.
Preferably, the top end face of main body is equipped at least four first threaded holes and the first threaded hole circumferentially uniform intervals
It is distributed on the top end face of main body, the top end face of pedestal is equipped with the mounting hole closed with the first corresponding threaded holes.
Preferably, the bottom face of main body is equipped at least four second threaded holes and the second threaded hole circumferentially uniform intervals
It is distributed on the bottom face of main body, cover board is equipped with the mounting hole closed with the second corresponding threaded holes.
Preferably, main body, pedestal, cover board and probe are made of brass and the outer surface of main body, pedestal, cover board and probe
It is silver coated.
According to the above technical scheme, the present invention sets four first wave guide mouths on pedestal, and is formed between main body and pedestal
One waveguide；Cover plate lid, which is located at main body, to be made to form second waveguide chamber between main body and cover board, while cover board is equipped with one second
Waveguide mouth.For the structure using waveguide mouth as input and output port, wave is realized by waveguide gradual transition, using probe in inside
- the transition and conversion of coaxial-waveguide is led, it is final to realize four road power combings.Also, in order to obtain broader bandwidth of operation, in diameter
Multistage step impedance conversion technology is used on waveguide internal probe, so that the power combiner working band is wide, insertion damage
Consume that small, amplitude-phase consistency is good.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is knot of four path of Ku frequency range in a kind of embodiment provided according to the present invention to waveguide power synthesizer
Structure schematic diagram；
Fig. 2 is the top view of the main body in a kind of embodiment provided according to the present invention；
Fig. 3 is the bottom view of the main body in a kind of embodiment provided according to the present invention；
Fig. 4 is the top view of the pedestal in a kind of embodiment provided according to the present invention；And
Fig. 5 is the side view of the probe in a kind of embodiment provided according to the present invention.
Description of symbols
1- main body 2- pedestal
3- cover board 4- probe
51- first wave guide cavity 52- first wave guide mouth
61- second waveguide chamber 62- second waveguide mouth
7- locating slot 8- gradual change step structure
9- through-hole
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
In the present invention, in the absence of explanation to the contrary, the noun of locality that " top, bottom end " etc. is included in the term is only
Represent orientation of the term under normal service condition, or be those skilled in the art understand that be commonly called as, and be not construed as to this
The limitation of term.
Referring to Fig. 1, the present invention provides a kind of four path of Ku frequency range to waveguide power synthesizer, including main body 1, pedestal 2, lid
Plate 3 and probe 4；Circumferentially uniform intervals are set there are four first wave guide mouth 52 on pedestal 2, and the top end face of main body 1 is located at pedestal 2
It is upper so that being formed with first wave guide cavity 51 between main body 1 and pedestal 2 and first wave guide mouth 52 can be with first wave guide cavity 51
It is connected；The lid of cover board 3 is located on the bottom face of main body 1 so that be formed with second waveguide chamber 61 between main body 1 and cover board 3, is covered
Plate 3 is equipped with a second waveguide mouth 62 and second waveguide mouth 62 is connected with second waveguide chamber 61；Wherein, the bottom end of probe 4
It is fixed on the top end face of pedestal 2, top sequentially passes through first wave guide cavity 51 and central through hole in main body 1 and extends into second
In 61 cavity of waveguide cavity；Probe 4 is equipped with multistage step impedance conversion structure (as shown in Figure 5).
Through the above technical solutions, the present invention sets four first wave guide mouths 52, shape between main body 1 and pedestal 2 on pedestal 2
At first wave guide cavity 51；The lid of cover board 3, which is located at main body 1, to be made to form second waveguide chamber 61 between main body 1 and cover board 3, while cover board 3
It is equipped with a second waveguide mouth 62.For the structure using waveguide mouth as input and output port, inside passes through waveguide gradual change
It crosses, realizes waveguide-coaxial-waveguide transition and conversion using probe, it is final to realize four road power combings.Also, in order to obtain more
Wide bandwidth of operation uses multistage step impedance conversion technology, so that the power combiner on radial waveguide internal probe
Working band is wide, insertion loss is small, amplitude-phase consistency is good.
In the present embodiment, in order to optimize the structure of main body 1, stability when its use is improved, such as Fig. 2 and Fig. 3 institute
Show, it is preferable that main body 1 is upwardly extended for the edge of cross plate and top end face so that forming a cross inside cross plate
Type groove is formed with gradual change step structure 8 on the slot inner wall of cross type groove；The bottom face part of cross plate raises upward to form one
A open rectangular channel that can be matched with cover board 3 is formed with gradual change step structure 8 on the slot inner wall of rectangular channel.
It is smooth for the ease of being operated in its installation process when by the installation to the power combiner of probe 4, guarantee its peace
It is filled to after pedestal 2 securely, phase mutual friction will not be damaged between main body 1, a through-hole is equipped with preferably at the center of cross plate
9, the diameter of through-hole 9 is 4-6mm.
In addition, being easy after the power combiner is used for multiple times for a long time so that the connection between probe 4 and pedestal 2 occurs
It loosens, causes the skew of probe 4 even double swerve to influence its normal use, in order to avoid the generation of above situation, it is preferable that such as
Shown in Fig. 4, part is recessed inwardly to form a locating slot 7 at the center of the bottom face of pedestal 2, and the slot bottom of locating slot 7 is equipped with one
Location hole, passing through location hole by cheese head screw can match with the internal thread hole on the bottom end of probe 4 to fix probe 4
Position.
For the ease of the installation or removal between main body 1 and pedestal 2, it is preferable that the top end face of main body 1 is equipped at least four
A first threaded hole and the first threaded hole is circumferentially evenly spaced on the top end face of main body 1, sets on the top end face of pedestal 2
There is the mounting hole closed with the first corresponding threaded holes.
Likewise, for the installation or removal between main body 1 and cover board 3, it is preferable that the bottom face of main body 1 is equipped with extremely
Few four the second threaded holes and the second threaded hole is circumferentially evenly spaced on the bottom face of main body 1, cover board 3 be equipped with
The mounting hole that second corresponding threaded holes close.
Aforementioned body 1, pedestal 2, cover board 3 and probe 4 can be applicable radial waveguide power combing common in this field
Metal be made, such as metals such as steel, aluminium.But from the point of view of convenient for selection and reducing loss, preferably main body 1, pedestal
2, cover board 3 and probe 4 are made of brass and main body 1, pedestal 2, the outer surface of cover board 3 and probe 4 are silver coated.
It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical solution of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (7)
1. a kind of four path of Ku frequency range is to waveguide power synthesizer, which is characterized in that including main body (1), pedestal (2), cover board (3)
With probe (4)；Circumferentially uniform intervals are set there are four first wave guide mouth (52) on the pedestal (2), the bottom end of the main body (1)
Mask is located on the pedestal (2) so that being formed with first wave guide cavity (51) and described between the main body (1) and pedestal (2)
First wave guide mouth (52) can be connected with the first wave guide cavity (51)；Cover board (3) lid is located at the main body (1)
So that being formed between the main body (1) and cover board (3) second waveguide chamber (61) on top end face, the cover board (3) is equipped with
One second waveguide mouth (62) and the second waveguide mouth (62) is connected with the second waveguide chamber (61)；Wherein, the spy
The bottom end of needle (4) is fixed on the top end face of the pedestal (2), and top sequentially passes through the first wave guide cavity (51) and the master
Central through hole on body (1) simultaneously extends into second waveguide chamber (61) cavity；The probe (4) is equipped with multistage ladder resistance
Anti- mapped structure；The first wave guide mouth (52) and second waveguide mouth (62) are BJ140 standard waveguide mouth.
2. power combiner according to claim 1, which is characterized in that the main body (1) is cross plate and top end face
Edge upwardly extend so that form a cross type groove inside the cross plate, shape on the slot inner wall of the cross type groove
At there is gradual change step structure (8)；The bottom face part of the cross plate raise upward to form one can be with the cover board (3)
The open rectangular channel matched is formed with gradual change step structure (8) on the slot inner wall of the rectangular channel.
3. power combiner according to claim 2, which is characterized in that be equipped with one at the center of the cross plate and lead to
Hole (9), the diameter of the through-hole (9) are 4-6mm.
4. power combiner according to claim 1, which is characterized in that portion at the center of the bottom face of the pedestal (2)
Divide and be recessed inwardly to form a locating slot (7), the slot bottom of the locating slot (7) is equipped with a positioning hole, is passed through by cheese head screw
The location hole can be matched with the internal thread hole on the bottom end of the probe (4) with the position of the fixation probe (4).
5. power combiner according to claim 1, which is characterized in that the top end face of the main body (1) is equipped at least
Four the first threaded holes and first threaded hole is circumferentially evenly spaced on the top end face of the main body (1), it is described
The top end face of pedestal (2) is equipped with the mounting hole closed with first corresponding threaded holes.
6. power combiner according to claim 1, which is characterized in that the bottom face of the main body (1) is equipped at least
Four the second threaded holes and second threaded hole is circumferentially evenly spaced on the bottom face of the main body (1), it is described
Cover board (3) is equipped with the mounting hole closed with second corresponding threaded holes.
7. power combiner according to claim 1, which is characterized in that the main body (1), pedestal (2), cover board (3) and
Probe (4) is made of brass and the main body (1), pedestal (2), the outer surface of cover board (3) and probe (4) are silver coated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610229997.7A CN105914442B (en) | 2016-04-14 | 2016-04-14 | Ku frequency band four-path radial waveguide power combiner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610229997.7A CN105914442B (en) | 2016-04-14 | 2016-04-14 | Ku frequency band four-path radial waveguide power combiner |
Publications (2)
| Publication Number | Publication Date |
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| CN105914442A CN105914442A (en) | 2016-08-31 |
| CN105914442B true CN105914442B (en) | 2019-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610229997.7A Active CN105914442B (en) | 2016-04-14 | 2016-04-14 | Ku frequency band four-path radial waveguide power combiner |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107394335A (en) * | 2017-06-22 | 2017-11-24 | 中科迪高微波系统有限公司 | Manufacturing process of the path of Ku wave bands four to waveguide power synthesizer |
| CN107331931B (en) * | 2017-09-04 | 2023-07-07 | 江苏贝孚德通讯科技股份有限公司 | Waveguide probe coupler |
| CN108767406A (en) * | 2018-07-06 | 2018-11-06 | 电子科技大学 | Microwave high-isolation multichannel cavity power divider |
| RU2765612C1 (en) * | 2021-03-10 | 2022-02-01 | Общество с ограниченной ответственностью Научно-производственный комплекс "Радарсервис" | WAVEGUIDE 3-dB ADDER-DIVIDER |
| CN114976553A (en) * | 2022-05-14 | 2022-08-30 | 深圳天宇星通科技有限公司 | Ku waveband waveguide power combiner and preparation method thereof |
| CN115000663B (en) * | 2022-07-29 | 2022-11-22 | 四川太赫兹通信有限公司 | Terahertz waveguide structure, middle cavity of terahertz waveguide structure, circuit structure and electronic equipment |
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|---|---|---|---|---|
| CN203859208U (en) * | 2014-03-26 | 2014-10-01 | 中国电子科技集团公司第三十八研究所 | Ku-band miniaturized one-to-four waveguide power divider |
| KR101558205B1 (en) * | 2014-08-19 | 2015-10-08 | (주)엑스엠더블유 | A waveguide combiner with a built-in termination |
| CN105098310A (en) * | 2015-08-04 | 2015-11-25 | 中国电子科技集团公司第三十六研究所 | Radial waveguide power combiner and assembly method thereof |
| CN105322265A (en) * | 2015-11-17 | 2016-02-10 | 电子科技大学 | Fan-shaped waveguide-based power distributor/synthesizer |
-
2016
- 2016-04-14 CN CN201610229997.7A patent/CN105914442B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203859208U (en) * | 2014-03-26 | 2014-10-01 | 中国电子科技集团公司第三十八研究所 | Ku-band miniaturized one-to-four waveguide power divider |
| KR101558205B1 (en) * | 2014-08-19 | 2015-10-08 | (주)엑스엠더블유 | A waveguide combiner with a built-in termination |
| CN105098310A (en) * | 2015-08-04 | 2015-11-25 | 中国电子科技集团公司第三十六研究所 | Radial waveguide power combiner and assembly method thereof |
| CN105322265A (en) * | 2015-11-17 | 2016-02-10 | 电子科技大学 | Fan-shaped waveguide-based power distributor/synthesizer |
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| CN105914442A (en) | 2016-08-31 |
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Address after: 241000 Emshan Road, Yijiang District, Wuhu City, Anhui Province Patentee after: ANHUI HUADONG PHOTOELECTRIC TECHNOLOGY INSTITUTE Co.,Ltd. Address before: 241000 Huaxia science and Technology Park, Wuhu high tech Industrial Development Zone, Anhui Patentee before: Anhui Huadong Polytechnic Institute |
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