CN116799465B - Ultra-wideband square coaxial power distribution synthesis structure - Google Patents
Ultra-wideband square coaxial power distribution synthesis structure Download PDFInfo
- Publication number
- CN116799465B CN116799465B CN202310817484.8A CN202310817484A CN116799465B CN 116799465 B CN116799465 B CN 116799465B CN 202310817484 A CN202310817484 A CN 202310817484A CN 116799465 B CN116799465 B CN 116799465B
- Authority
- CN
- China
- Prior art keywords
- coaxial
- cavity
- ultra
- power distribution
- support arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000009826 distribution Methods 0.000 title claims abstract description 27
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 26
- 238000003786 synthesis reaction Methods 0.000 title claims abstract description 26
- 230000007704 transition Effects 0.000 claims abstract description 59
- 239000004020 conductor Substances 0.000 claims abstract description 39
- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 230000008859 change Effects 0.000 claims abstract description 15
- 238000013461 design Methods 0.000 claims abstract description 9
- 239000002184 metal Substances 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims 2
- 230000010354 integration Effects 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 4
- 230000008054 signal transmission Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- 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
Abstract
The invention relates to the technical field of power splitters, in particular to an ultra-wideband square coaxial power distribution synthesis structure, which comprises an upper cavity, a lower cavity and a central conductor, wherein the upper cavity is provided with a plurality of grooves; the upper cavity and the lower cavity form an outer conductor, the inner air cavities are symmetrically distributed, the central conductor is arranged at the central position of the outer conductor, a square coaxial transmission line design is adopted, the central conductor comprises a first contact pin, a first round coaxial transition section, a main shaft, a support arm, a second round coaxial transition section and a second contact pin which are sequentially connected, and the support arm adopts a flattened central symmetrical metal structure; the air cavity adopts a multistage gradual change step structure, and the multistage gradual change step structure is matched with a metal structure with flattened central symmetry of a central conductor, so that the structure formed by the gradual match is in internal and external mixed gradual change. The invention has excellent performance parameters, small volume, light weight and simple structure, and is convenient for processing, assembly and binary multi-path integration.
Description
Technical Field
The invention relates to the technical field of power dividers, in particular to an ultra-wideband square coaxial power distribution synthesis structure.
Background
The transmission line type is mainly divided into three types of microstrip transmission lines, coaxial transmission lines and waveguide transmission lines, wherein the waveguide transmission line has the largest power capacity, but the currently achievable relative bandwidth is the smallest. Microstrip transmission lines are the lowest in cost to manufacture, but as frequencies rise, transmission line losses increase the fastest and power capacity is the smallest. The coaxial transmission line is arranged between the two coaxial transmission lines, and mainly comprises a round coaxial transmission line and a square coaxial transmission line, wherein the round coaxial transmission line is characterized in that a round outer conductor wraps a round inner conductor, so that the round coaxial transmission line is not easy to perform in wiring and installation, and particularly when the multiplexing requirement is met, the structure is more complex, and the assembly difficulty and the volume are also larger; the inner conductor and the outer conductor of the square coaxial transmission line are rectangular, so that the inner conductor and the outer conductor can be more tightly combined together, and the edge-to-edge layout can more effectively utilize space, so that the square coaxial transmission line has the advantages of space-limited design and application scenes, can more effectively utilize space, and reduces the size; therefore, in a design pursuing miniaturization, if the frequency requirements are the same, the square coaxial transmission line is generally easier to achieve miniaturization while being able to provide stable and high-quality signal transmission.
Disclosure of Invention
The invention aims to provide an ultra-wideband square coaxial power distribution and synthesis structure, which adopts a square coaxial power distribution/synthesis air structure with a main body, and solves the problems that a central circular conductor is complex in structure, large in volume and difficult to assemble when a traditional circular coaxial transmission line faces the requirement of multiplexing synthesis.
The embodiment of the invention is realized by the following technical scheme: an ultra-wideband square coaxial power distribution synthesis structure comprises an upper cavity, a lower cavity and a central conductor; wherein,
the upper cavity and the lower cavity form an outer conductor, the air cavities in the upper cavity and the lower cavity are symmetrically distributed, the central conductor is arranged at the central position of the outer conductor, a square coaxial transmission line design is adopted, and a support arm between a main shaft and a contact pin adopts a flattened central symmetrical metal structure;
the air cavity adopts a multistage gradual change step structure, and the multistage gradual change step structure is matched with a metal structure with flattened central symmetry of a central conductor, so that the structure formed by the gradual match is in internal and external mixed gradual change.
According to a preferred embodiment, the center conductor comprises a first pin, a first circular coaxial transition, a main shaft, a support arm, a second circular coaxial transition, and a second pin connected in sequence.
According to a preferred embodiment, the support arm is composed of a first party coaxial support arm transition section, a second party coaxial support arm transition section and a third party coaxial support arm transition section which are connected in sequence, wherein the first party coaxial support arm transition section is connected with the second round coaxial transition section, and the third party coaxial support arm transition section is connected with the main shaft through a V-shaped oblique cutting T-shaped junction.
According to a preferred embodiment, the transition between the transition sections of the arm is performed using one of the steps including, but not limited to, chamfer angle, rounded corner, multiple chamfer cuts, or multiple gradual steps.
According to a preferred embodiment, the multi-stage gradual change step structure of the air cavity is composed of a first transition cavity, a second transition cavity and a third transition cavity which are sequentially connected.
According to a preferred embodiment, a circular coaxial cavity matched with the first circular coaxial transition section and the second circular coaxial transition section is also arranged between the upper cavity and the lower cavity.
According to a preferred embodiment, the input and output ends of the distribution synthesis structure are provided with coaxial connectors.
According to a preferred embodiment, the upper cavity and the lower cavity are provided with mounting alignment grooves on the input side and the output side, and the coaxial connector is embedded into the mounting alignment grooves for mounting.
According to a preferred embodiment, the upper cavity and the lower cavity are correspondingly provided with fixed mounting holes at the outer sides of the air cavities, and the upper cavity and the lower cavity are connected through the fixed mounting holes.
According to a preferred embodiment, the upper cavity and the lower cavity are correspondingly provided with positioning pin holes outside the air cavity.
The technical scheme of the ultra-wideband coaxial power distribution synthesis structure provided by the embodiment of the invention has at least the following advantages and beneficial effects: the one-to-two power distribution/synthesis basic unit structure provided by the invention ingeniously utilizes the characteristic of a flattening structure of a square coaxial transmission line, designs a square coaxial V-shaped inclined T-shaped junction power distribution synthesis structure, and can realize ultra-wideband signal transmission functions with higher frequency ranges and higher octaves and provide more miniaturization effects and reduce assembly difficulty compared with a round coaxial transmission line under the same frequency range requirement and in the face of multiplexing requirement.
Drawings
Fig. 1 is an exploded view of an ultra-wideband coaxial power distribution synthesis structure provided in embodiment 1 of the present invention;
FIG. 2 is a schematic view of part A of FIG. 1;
FIG. 3 is a partial schematic view of FIG. 1C;
FIG. 4 is a partial schematic view of B in FIG. 1;
icon: the coaxial cable connector comprises a 1-fixed mounting hole, a 2-mounting alignment groove, a 3-second contact pin, a 4-second round coaxial transition section, a 5-first party coaxial support arm transition section, a 6-second party coaxial support arm transition section, a 7-third party coaxial support arm transition section, an 8-spindle, a 9-first contact pin, a 10-first round coaxial transition section, a 11-positioning pin hole, a 12-first coaxial connector, a 13-second coaxial connector, a 14-third coaxial connector, a 15-first transition cavity, a 16-second transition cavity, a 17-third transition cavity and a 18-round coaxial cavity.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Example 1
The embodiment of the invention provides an ultra-wideband coaxial power distribution/synthesis structure, which is shown in fig. 1, and fig. 1 is an exploded view of the ultra-wideband coaxial power distribution/synthesis structure. The device specifically comprises an upper cavity, a lower cavity and a central conductor.
The upper cavity and the lower cavity form an outer conductor, the air cavities in the upper cavity and the lower cavity are symmetrically distributed, the central conductor is arranged at the central position of the outer conductor, a square coaxial transmission line design is adopted, and a support arm between a main shaft 8 and a contact pin adopts a flattened central symmetrical metal structure; the air cavity adopts a multistage gradual change step structure, and the multistage gradual change step structure is matched with a metal structure with flattened central symmetry of a central conductor, so that the structure formed by the gradual match is in internal and external mixed gradual change.
The upper cavity and the lower cavity are correspondingly provided with fixed mounting holes 1 outside the air cavity, and the upper cavity and the lower cavity are connected through the fixed mounting holes 1. Further, in order to facilitate installation and debugging and positioning, the upper cavity and the lower cavity are correspondingly provided with positioning pin holes 11 at the outer sides of the air cavities, and are used for installing positioning pins so that the upper cavity and the lower cavity are well matched.
Referring to fig. 4, the center conductor of the present embodiment is based on a square coaxial transmission line design, so as to facilitate processing and multiplexing, and specifically, in one implementation manner of the present embodiment, the center conductor includes a first pin 9, a first circular coaxial transition section 10, a main shaft 8, a support arm, a second circular coaxial transition section 4, and a second pin 3, which are sequentially connected. The support arm is composed of a first coaxial support arm transition section 5, a second coaxial support arm transition section 6 and a third coaxial support arm transition section 7 which are sequentially connected, wherein the first coaxial support arm transition section 5 is connected with the second round coaxial transition section 4, and the third coaxial support arm transition section 7 is connected with the main shaft 8 through a V-shaped oblique cutting T-shaped junction. It should be noted that the number of transition sections may be adaptively adjusted according to different frequency range requirements, and the number of transition sections is not specifically limited herein. Further, the transition sections of the embodiment are transited by adopting an inclined plane transition mode, and the ports at the two ends of the central conductor are transited by adopting an inclined chamfer processing mode; in addition, the transition modes between the transition sections and at the two end ports of the central conductor can be adjusted, modified and deformed, such as transition by one of the steps including but not limited to chamfer angles, round angles, multiple chamfer angles or multi-stage gradual change, and the transition modes are not particularly limited herein.
Further, the multi-stage gradual change step structure of the air cavity corresponds to the central conductor, and is composed of a first transition cavity 15, a second transition cavity 16 and a third transition cavity 17 which are sequentially connected, and the number of the transition cavities of the air cavity corresponds to the number of transition sections of the support arm. In addition, a circular coaxial line cavity 18 matched with the first circular coaxial transition section 10 and the second circular coaxial transition section 4 is arranged between the upper cavity and the lower cavity, so that the assembly of the central conductor is realized.
Further, the upper cavity and the lower cavity are provided with the installation alignment groove 2 on the input side and the output side, and the installation alignment groove 2 is embedded with a coaxial connector so as to support the installation of a standard coaxial connector, thereby facilitating test interconnection and multipath integration.
In one implementation of this embodiment, the center conductor is fixed in the middle of the upper and lower cavities, and after the center conductor is installed with the coaxial connector, the function of ultra-wideband radio frequency signal transmission in the frequency range of 5-41GHz can be satisfied, and the bandwidth covers 7 octaves. It should be noted that, the center conductor with square coaxial as main body is convenient to process, the basic structure of the one-to-two power distribution/synthesis unit is only 40×16×15mm in size, the input and output are standard coaxial interfaces, so that the coaxial interfaces are convenient to interconnect with a test system or front and rear end modules, meanwhile, the generalized coaxial interfaces are also convenient for binary multiplexing integration, and in theory, a 2N-way interconnection structure can be realized according to the current basic structure, and N is more than or equal to 1.
The ultra-wideband coaxial power distribution synthesis basic structure designed by the invention is in the frequency range of 5-41GHz, the return loss S11 is smaller than-20 dB, the back-to-back insertion loss S21 is only 0.058dB at maximum, the performance parameter is excellent, the volume is small, the weight is light, the structure is simple, and the processing, the assembly and the binary multiplexing integration are convenient.
In summary, the one-to-two power distribution/synthesis basic unit structure provided by the invention ingeniously utilizes the characteristics of the flat structure of the square coaxial transmission line, designs a square coaxial V-shaped inclined T-junction power distribution synthesis structure, and can realize ultra-wideband signal transmission functions with higher frequency ranges and higher octaves and provide more miniaturization effect and lower assembly difficulty compared with the round coaxial transmission line under the same frequency range requirement and in the face of multiplexing requirement.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The ultra-wideband square coaxial power distribution synthesis structure is characterized by comprising an upper cavity, a lower cavity and a central conductor; wherein,
the upper cavity and the lower cavity form an outer conductor, the inner air cavities are symmetrically distributed, the central conductor is arranged at the central position of the outer conductor, a square coaxial transmission line design is adopted, the central conductor comprises a first contact pin (9), a first round coaxial transition section (10), a main shaft (8), a support arm, a second round coaxial transition section (4) and a second contact pin (3), and the support arm adopts a flattened central symmetrical metal structure and is connected with the main shaft (8) through a V-shaped oblique cutting T-shaped junction;
the air cavity adopts a multi-stage gradual change step structure, and the multi-stage gradual change step structure is matched with a flattened and centrosymmetric metal structure of the central conductor, so that the structure formed by the gradual match is in internal and external mixed gradual change; the support arm is composed of a first coaxial support arm transition section (5), a second coaxial support arm transition section (6) and a third coaxial support arm transition section (7).
2. The ultra-wideband square coaxial power distribution composite structure according to claim 1, wherein the transition sections of the support arm are transited by one of the steps including but not limited to chamfer angles, rounded corners, multiple chamfer cuts or multiple gradual steps.
3. The ultra-wideband square coaxial power distribution composite structure of claim 1, wherein the multi-stage graded step structure of the air cavity is comprised of a first transition cavity (15), a second transition cavity (16), and a third transition cavity (17).
4. The ultra-wideband square coaxial power distribution synthesis structure according to claim 1, wherein a circular coaxial cavity (18) matched with the first circular coaxial transition section (10) and the second circular coaxial transition section (4) is further arranged between the upper cavity and the lower cavity.
5. The ultra-wideband coaxial power distribution and synthesis structure according to claim 1, wherein the input and output ends of the distribution and synthesis structure are provided with coaxial connectors.
6. The ultra-wideband square coaxial power distribution synthesis structure according to claim 5, wherein the upper cavity and the lower cavity are provided with installation alignment grooves (2) on the input side and the output side, and the coaxial connectors are embedded into the installation alignment grooves (2) for installation.
7. The ultra-wideband square coaxial power distribution synthesis structure according to claim 1, wherein the upper cavity and the lower cavity are correspondingly provided with fixed mounting holes (1) at the outer sides of the air cavities, and the upper cavity and the lower cavity are connected through the fixed mounting holes (1).
8. The ultra-wideband square coaxial power distribution synthesis structure according to claim 1, wherein the upper cavity and the lower cavity are also correspondingly provided with positioning pin holes (11) outside the air cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310817484.8A CN116799465B (en) | 2023-07-05 | 2023-07-05 | Ultra-wideband square coaxial power distribution synthesis structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310817484.8A CN116799465B (en) | 2023-07-05 | 2023-07-05 | Ultra-wideband square coaxial power distribution synthesis structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116799465A CN116799465A (en) | 2023-09-22 |
| CN116799465B true CN116799465B (en) | 2024-03-15 |
Family
ID=88049567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310817484.8A Active CN116799465B (en) | 2023-07-05 | 2023-07-05 | Ultra-wideband square coaxial power distribution synthesis structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116799465B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5982338A (en) * | 1997-12-08 | 1999-11-09 | Raytheon Company | Rectangular coaxial line to microstrip line matching transition and antenna subarray including the same |
| RU2237954C1 (en) * | 2003-01-31 | 2004-10-10 | Федеральное государственное унитарное предприятие "Ростовский-на-Дону научно-исследовательский институт радиосвязи" | Broadband horn-type waveguide radiator |
| CN102280681A (en) * | 2011-05-13 | 2011-12-14 | 电子科技大学 | Power divider of coaxial-ridge waveguide-microstrip transformation structure |
| WO2017177577A1 (en) * | 2016-04-12 | 2017-10-19 | 深圳市华讯方舟卫星通信有限公司 | Radial waveguide combiner/divider |
| CN109216850A (en) * | 2018-09-14 | 2019-01-15 | 成都天奥电子股份有限公司 | A kind of eight road power combing of ridge waveguide microstrip probe/power division network |
| CN110492212A (en) * | 2019-07-15 | 2019-11-22 | 电子科技大学 | A kind of ultra wide band power distribution synthesizer based on ridge gap waveguide technology |
| CN212136661U (en) * | 2020-03-18 | 2020-12-11 | 绵阳天赫微波科技有限公司 | H-surface magic T waveguide power combiner |
| CN212136659U (en) * | 2020-03-18 | 2020-12-11 | 绵阳天赫微波科技有限公司 | Waveguide coaxial converter |
| CN113067114A (en) * | 2021-03-19 | 2021-07-02 | 北京理工大学 | High-efficiency millimeter wave broadband power synthesis/distributor and implementation method thereof |
| CN114122661A (en) * | 2021-11-12 | 2022-03-01 | 成都浩翼创想科技有限公司 | Mirror power combining/distributing network |
| CN114142202A (en) * | 2021-11-29 | 2022-03-04 | 西安电子工程研究所 | Ultra-wideband two-path high-power distributor |
| CN216872232U (en) * | 2021-11-12 | 2022-07-01 | 成都浩翼创想科技有限公司 | Mirror power combining/distributing network |
-
2023
- 2023-07-05 CN CN202310817484.8A patent/CN116799465B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5982338A (en) * | 1997-12-08 | 1999-11-09 | Raytheon Company | Rectangular coaxial line to microstrip line matching transition and antenna subarray including the same |
| RU2237954C1 (en) * | 2003-01-31 | 2004-10-10 | Федеральное государственное унитарное предприятие "Ростовский-на-Дону научно-исследовательский институт радиосвязи" | Broadband horn-type waveguide radiator |
| CN102280681A (en) * | 2011-05-13 | 2011-12-14 | 电子科技大学 | Power divider of coaxial-ridge waveguide-microstrip transformation structure |
| WO2017177577A1 (en) * | 2016-04-12 | 2017-10-19 | 深圳市华讯方舟卫星通信有限公司 | Radial waveguide combiner/divider |
| CN109216850A (en) * | 2018-09-14 | 2019-01-15 | 成都天奥电子股份有限公司 | A kind of eight road power combing of ridge waveguide microstrip probe/power division network |
| CN110492212A (en) * | 2019-07-15 | 2019-11-22 | 电子科技大学 | A kind of ultra wide band power distribution synthesizer based on ridge gap waveguide technology |
| CN212136661U (en) * | 2020-03-18 | 2020-12-11 | 绵阳天赫微波科技有限公司 | H-surface magic T waveguide power combiner |
| CN212136659U (en) * | 2020-03-18 | 2020-12-11 | 绵阳天赫微波科技有限公司 | Waveguide coaxial converter |
| CN113067114A (en) * | 2021-03-19 | 2021-07-02 | 北京理工大学 | High-efficiency millimeter wave broadband power synthesis/distributor and implementation method thereof |
| CN114122661A (en) * | 2021-11-12 | 2022-03-01 | 成都浩翼创想科技有限公司 | Mirror power combining/distributing network |
| CN216872232U (en) * | 2021-11-12 | 2022-07-01 | 成都浩翼创想科技有限公司 | Mirror power combining/distributing network |
| CN114142202A (en) * | 2021-11-29 | 2022-03-04 | 西安电子工程研究所 | Ultra-wideband two-path high-power distributor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116799465A (en) | 2023-09-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2018067541A (en) | High-speed connector system | |
| CN112151929B (en) | Single-ridge waveguide 4-path power combiner with coupling function | |
| CN210403995U (en) | Waveguide converter and power combiner | |
| CN116799465B (en) | Ultra-wideband square coaxial power distribution synthesis structure | |
| US20110287642A1 (en) | Cable connector assembly employing separate inter connecting conductors and method for assembling the same | |
| CN201590576U (en) | Coaxial connector | |
| AU2020100572A4 (en) | Board-to-board radio-frequency connector | |
| JP2004513474A (en) | Ultra-compact, high-speed, coaxial pin interconnect system | |
| Fan et al. | Design of wideband quad-ridged waveguide orthomode transducer at L-band | |
| CN201323284Y (en) | Inner conductor component of coaxial connector | |
| KR20080067684A (en) | Crimped center conductor | |
| US6956447B2 (en) | Directional coupler using non-radiative dielectric waveguide | |
| CN206250365U (en) | Circular waveguide coaxial converter | |
| CN212136660U (en) | Ridge waveguide power distribution synthesizer | |
| CN2706902Y (en) | Electric connector | |
| US6388895B1 (en) | Telecommunication main distribution frame structure | |
| CN101471467B (en) | Microstrip type microwave switch of multiple sub cavities | |
| CN111786066A (en) | Ridge waveguide power distribution synthesizer | |
| CN215644937U (en) | Y-shaped ring former | |
| CN112713378A (en) | Ultra-wideband miniaturized power divider, design method and multi-channel communication network terminal | |
| CN212625997U (en) | Ultra-wideband radial synthesizer | |
| CN219226672U (en) | Multi-channel plate-plate connecting device contacted by using button wool | |
| CN218448409U (en) | High-power two directional coupler main cavity body | |
| CN212434883U (en) | High-speed stable backplane connector of performance | |
| CN219696691U (en) | Elastic contact connector suitable for attenuator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |