CN214706202U - High-frequency broadband orthogonal waveguide coaxial converter - Google Patents
High-frequency broadband orthogonal waveguide coaxial converter Download PDFInfo
- Publication number
- CN214706202U CN214706202U CN202121291482.2U CN202121291482U CN214706202U CN 214706202 U CN214706202 U CN 214706202U CN 202121291482 U CN202121291482 U CN 202121291482U CN 214706202 U CN214706202 U CN 214706202U
- Authority
- CN
- China
- Prior art keywords
- cover plate
- coaxial connector
- coaxial
- top end
- impedance converter
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Waveguide Aerials (AREA)
Abstract
The utility model discloses a high-frequency broadband orthogonal waveguide coaxial converter, which comprises a lower shell, wherein the top end of the lower shell is provided with a cavity, the top end of the lower shell is jointed with a cover plate, the top end of the cover plate is embedded with a sliding-connected coaxial connector, the coaxial connector is integrally in a T shape, the coaxial connector is screwed with a plurality of first fixing bolts, the cover plate is screwed with a plurality of second fixing bolts, the top end of the lower shell is fixedly connected with two cover plate positioning pins, and the two cover plate positioning pins respectively pass through the cover plate and are in sliding connection with the cover plate, and debugging is avoided.
Description
Technical Field
The utility model relates to a coaxial converter field of waveguide, concretely relates to high frequency broadband quadrature formula coaxial converter of waveguide.
Background
In various radar systems and signal transmission in the precise radio frequency microwave field, except that a transmission line is not needed for wireless signal transmission, most scenes still need a transmission line for signal transmission, wherein coaxial lines and waveguide tubes are widely used for transmitting microwave radio frequency energy. The most widely used waveguide in the market is a rectangular waveguide, the most commonly used coaxial line for communication is a 50 Ω coaxial cable assembly, and the two transmission lines have great differences in size, material and transmission characteristics. However, due to the wide range of applications, it is often desirable to interconnect two transmission lines, which requires a waveguide coaxial transformer. Waveguide coaxial converters are indispensable in various radar systems, precision guidance systems, and test equipment.
The existing common waveguide coaxial converters all adopt a quarter impedance converter or a coaxial connector microstrip part with the height of a waveguide narrow edge designed into a multi-step form as a probe form, and are suspended into a waveguide cavity from a waveguide wide edge. The two forms of waveguide coaxial switching, the first: the processing difficulty is higher, the precision is difficult to guarantee, and especially, various indexes of high frequency or very high frequency are difficult to guarantee. And the second method comprises the following steps: the high-performance product has high debugging requirement and is difficult to operate, especially in a high-frequency band.
SUMMERY OF THE UTILITY MODEL
In order to solve the existing problems, the utility model provides a high frequency broadband quadrature type waveguide coaxial converter.
The utility model discloses a realize through following technical scheme:
a high-frequency broadband orthogonal waveguide coaxial converter comprises a lower shell, wherein a cavity is arranged at the top end of the lower shell, a cover plate is arranged at the top end of the lower shell in a laminating mode, a sliding-connection coaxial connector is embedded into the top end of the cover plate, the coaxial connector is integrally in a T-shaped mode, a plurality of first fixing bolts are screwed on the coaxial connector, a plurality of second fixing bolts are screwed on the cover plate, two cover plate positioning pins are fixedly connected to the top end of the lower shell and penetrate through the cover plate respectively and are in sliding connection with the cover plate, a quarter impedance converter is fixedly installed on the inner bottom surface of the cavity and is in a step shape, the width of each step on the quarter impedance converter is the same, and the axis of the coaxial connector is arranged right above the highest step of the quarter impedance converter, the fixed mounting hole that is provided with on the highest ladder of quarter impedance converter, coaxial connector's microstrip part stretches into in the mounting hole and set up rather than closely laminating, the fixed through-hole that is provided with on the apron, coaxial connector's microstrip part passes the through-hole and rather than sliding connection, apron and the same one side of casing down respectively fixed mounting have the ring flange, and two ring flanges constitute a complete disc jointly, and even fixed mounting has a plurality of flange locating pins on the same lateral wall of two ring flanges.
The quarter impedance converter is integrally milled in the cavity by adopting a numerical control milling machine.
The cover plate is in threaded connection with the coaxial connector through a first fixing bolt.
The cover plate is in threaded connection with the lower shell through a second fixing bolt.
The flatness of the flange plate is 0.02, and the smoothness of the flange plate is 1.6.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses high frequency bandwidth orthogonal waveguide coaxial converter designs and uses the quarter impedance change principle, makes a holistic form with quarter impedance converter and cavity, and the coaxial conversion processing of waveguide of this kind of full waveguide bandwidth is easy, and the machining precision easily guarantees, and the structure is reliable, and index performance is excellent, has both reduced the processing assembly degree of difficulty, has realized exempting from the debugging again.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
fig. 2 is a perspective view of the structure of fig. 1 of the present invention;
fig. 3 is a data diagram of the structure of fig. 1 according to the present invention.
In the figure: the structure comprises a cavity 1, a cover plate 2, a coaxial connector 3, a flange positioning pin 4, a quarter impedance converter 5, a flange plate 6, a first fixing bolt 7, a second fixing bolt 8, a cover plate positioning pin 9, a lower shell 10, a through hole 11 and a mounting hole 12.
Detailed Description
The invention will be described in further detail with reference to the following detailed description and accompanying drawings:
as shown in fig. 1, 2 and 3, a high-frequency broadband orthogonal waveguide coaxial converter includes a lower housing 10, a cavity 1 is disposed at a top end of the lower housing 10, a cover plate 2 is attached to a top end of the lower housing 10, a sliding-connected coaxial connector 3 is embedded at a top end of the cover plate 2, the coaxial connector 3 is integrally T-shaped, a plurality of first fixing bolts 7 are screwed on the coaxial connector 3, a plurality of second fixing bolts 8 are screwed on the cover plate 2, two cover plate positioning pins 9 are fixedly connected to a top end of the lower housing 10, the two cover plate positioning pins 9 respectively penetrate through the cover plate 2 and are slidably connected thereto, a quarter impedance converter 5 is fixedly mounted on an inner bottom surface of the cavity 1, the quarter impedance converter 5 is stepped, and each step width on the quarter impedance converter 5 is the same, coaxial connector 3's axle center sets up directly over the highest ladder of quarter impedance converter 5, the fixed mounting hole 12 that is provided with on the highest ladder of quarter impedance converter 5, coaxial connector 3's microstrip part stretches into in mounting hole 12 and sets up rather than closely laminating, the fixed through-hole 11 that is provided with on apron 2, coaxial connector 3's microstrip part passes through-hole 11 and rather than sliding connection, apron 2 and the same one side difference fixed mounting of casing 10 down have ring flange 6, and two ring flanges 6 constitute a complete disc jointly, and even fixed mounting has a plurality of flange locating pins 4 on the same lateral wall of two ring flanges 6 mutually.
The quarter impedance transformer 5 is integrally milled in the cavity 1 by adopting a numerical control milling machine.
The cover plate 2 is in threaded connection with the coaxial connector 3 through a first fixing bolt 7.
The cover plate 2 is in threaded connection with the lower shell 10 through a second fixing bolt 8.
The flatness of the flange plate 6 is 0.02, and the smoothness is 1.6.
The working principle is as follows: firstly, the device is processed and installed in sequence, the device is processed by gold-plated surface treatment in the manufacturing process, the quarter impedance converter 5 is designed into a step shape, the design form is a design form of a non-full waveguide broadside, the design of the quarter impedance converter 5 of the non-full waveguide broadside ensures the processing precision, is more beneficial to assembly and debugging, has better performance and lower processing and assembly difficulty, and is suitable for high-frequency broadband orthogonal waveguide coaxial converters such as BJ400 models to BJ900 models and the like, then the quarter impedance converter is assembled, firstly, the cover plate 2 is placed on the lower shell 10, two cover plate positioning pins 9 penetrate through the cover plate 2 to realize positioning and prevent dislocation, meanwhile, the second fixing bolt 8 is screwed, so that the cover plate 2 and the lower shell 10 are fixed, similarly, the cover plate 2 is placed on the cover plate 2, and the first fixing bolt 7 is screwed in sequence, thus the installation of the cover plate 2 and the coaxial connector 3 is completed, meanwhile, the micro-strip part of the coaxial connector 3 passes through the through hole 11 and extends into the quarter impedance transformer 5 to be provided with the mounting hole 12 and is tightly attached to the quarter impedance transformer, so that the installation is completed, the operation is simple and convenient, the installation efficiency is greatly improved, meanwhile, the precision of the device can be effectively ensured, the coaxial connector 3 is positioned in the center of the wide side of the cavity 1 and is a quarter wavelength away from the closed end of the waveguide, the quarter impedance change principle is applied to design and apply, the quarter impedance transformer 5 of the non-full-wave-guide wide side and the cavity 1 are made into an integral form, the micro-strip part of the coaxial connector 3 passes through the highest step and is tightly matched with the cavity 1, the coaxial connector 3 is positioned in the center of the wide side of the highest step of the cavity 1 and is a quarter wavelength away from the closed end of the waveguide, the quarter impedance change principle is applied to make the quarter impedance transformer 5 of the non-full-wave-guide wide side and the cavity 1 into an integral form, thereby realizing the normal work of the device.
When the device is manufactured, different manufacturing parameters are selected according to different models for explanation;
when the BJ500 standard waveguide is manufactured, the frequency range is 39.2 GHz-59.6 GHz, the corresponding standard-caliber rectangular waveguide and the coaxial connector 3 are selected according to the required working frequency range, and when the frequency range is 39.2 GHz-59.6 GHz, the BJ500 standard waveguide and the 1.85mm standard coaxial connector 3 are selected, as can be seen in the attached drawing 3, the device has small standing-wave ratio within the full-wave conduction band width range and 1.06(-30.098dB), and has very good performance;
similarly, when the BJ900 standard waveguide is manufactured, the frequency range is 73.8 GHz-112 GHz, the corresponding standard-caliber rectangular waveguide and the coaxial connector 3 are selected according to the required working frequency range, and when the frequency range is 73.8 GHz-112 GHz, the BJ900 standard waveguide and the 1.0mm standard coaxial connector 3 are selected;
therefore, compared with the traditional device, the device has better performance, is convenient to install and is more accurate in manufacturing.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A high frequency broadband orthogonal waveguide coaxial converter comprising a lower housing (10), characterized in that; the improved structure of the transformer is characterized in that a cavity (1) is arranged at the top end of the lower shell (10), a cover plate (2) is attached to the top end of the lower shell (10), a sliding-connection coaxial connector (3) is embedded into the top end of the cover plate (2), the coaxial connector (3) is integrally in a T shape, a plurality of first fixing bolts (7) are screwed on the coaxial connector (3), a plurality of second fixing bolts (8) are screwed on the cover plate (2), two cover plate positioning pins (9) are fixedly connected to the top end of the lower shell (10), the two cover plate positioning pins (9) respectively penetrate through the cover plate (2) and are in sliding connection with the cover plate, a quarter impedance converter (5) is fixedly mounted on the inner bottom surface of the cavity (1), the quarter impedance converter (5) is in a stepped shape, and the width of each step on the quarter impedance converter (5) is the same, the axle center of coaxial connector (3) sets up directly over the highest ladder of quarter impedance converter (5), the fixed mounting hole (12) that is provided with on the highest ladder of quarter impedance converter (5), the microstrip part of coaxial connector (3) stretches into in mounting hole (12) and closely laminates the setting rather than, the fixed through-hole (11) that is provided with on apron (2), the microstrip part of coaxial connector (3) passes through-hole (11) and rather than sliding connection, apron (2) and the same one side difference fixed mounting of lower casing (10) have ring flange (6), and two ring flange (6) constitute into a complete disc jointly, and even fixed mounting has a plurality of flange locating pins (4) on the same lateral wall of two ring flanges (6).
2. A high frequency broadband quadrature waveguide coaxial transformer as claimed in claim 1, wherein: the quarter impedance converter (5) is integrally milled in the cavity (1) by adopting a numerical control milling machine.
3. A high frequency broadband quadrature waveguide coaxial transformer as claimed in claim 1, wherein: the cover plate (2) is in threaded connection with the coaxial connector (3) through a first fixing bolt (7).
4. A high frequency broadband quadrature waveguide coaxial transformer as claimed in claim 1, wherein: the cover plate (2) is in threaded connection with the lower shell (10) through a second fixing bolt (8).
5. A high frequency broadband quadrature waveguide coaxial transformer as claimed in claim 1, wherein: the flatness of the flange plate (6) is 0.02, and the smoothness is 1.6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121291482.2U CN214706202U (en) | 2021-06-10 | 2021-06-10 | High-frequency broadband orthogonal waveguide coaxial converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121291482.2U CN214706202U (en) | 2021-06-10 | 2021-06-10 | High-frequency broadband orthogonal waveguide coaxial converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214706202U true CN214706202U (en) | 2021-11-12 |
Family
ID=78555540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121291482.2U Expired - Fee Related CN214706202U (en) | 2021-06-10 | 2021-06-10 | High-frequency broadband orthogonal waveguide coaxial converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214706202U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114530679A (en) * | 2022-03-21 | 2022-05-24 | 北京星英联微波科技有限责任公司 | Spread spectrum waveguide coaxial converter |
| CN114552156A (en) * | 2022-03-21 | 2022-05-27 | 北京星英联微波科技有限责任公司 | Termination spread spectrum waveguide coaxial converter |
-
2021
- 2021-06-10 CN CN202121291482.2U patent/CN214706202U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114530679A (en) * | 2022-03-21 | 2022-05-24 | 北京星英联微波科技有限责任公司 | Spread spectrum waveguide coaxial converter |
| CN114552156A (en) * | 2022-03-21 | 2022-05-27 | 北京星英联微波科技有限责任公司 | Termination spread spectrum waveguide coaxial converter |
| CN114552156B (en) * | 2022-03-21 | 2022-10-14 | 北京星英联微波科技有限责任公司 | Termination spread spectrum waveguide coaxial converter |
| WO2023179087A1 (en) * | 2022-03-21 | 2023-09-28 | 胡南 | End-connected spread spectrum waveguide-and-coaxial converter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214706202U (en) | High-frequency broadband orthogonal waveguide coaxial converter | |
| US7248129B2 (en) | Microstrip directional coupler | |
| CN105493343B (en) | Planar transmission line waveguide adaptor | |
| US9813042B2 (en) | Converting a single-ended signal to a differential signal | |
| CN104753468A (en) | Millimeter-wave even harmonic mixer structure | |
| CN107275735B (en) | Novel coaxial microstrip converter | |
| CN111628262B (en) | Ka-band double-semicircular-ring magnetic coupling power divider | |
| CN204834816U (en) | Millimeter waveguide microstrip conversion equipment | |
| CN202308455U (en) | Millimeter-wave radio frequency coaxial series of commutators | |
| CN216214249U (en) | Contact pin and coaxial double-ridge waveguide converter thereof | |
| CN107689472A (en) | A kind of efficient, low-loss broadband waveguide microstrip transitions device | |
| CN101394016A (en) | Four strip line splitter and producing method thereof | |
| CN110112525B (en) | Connector with inner conductor capable of being adjusted in axial front-back displacement mode | |
| CN114709582B (en) | Ka-band orthogonal waveguide coaxial converter with height-reducing transition and assembly method | |
| CN110890613B (en) | Ultra-wideband waveguide radial power combiner | |
| Jakob et al. | WR12 to planar transmission line transition on organic substrate | |
| CN106771659A (en) | A kind of waveguide broad-band wave detector | |
| CN110400999B (en) | Linear E-surface probe microstrip waveguide transition device | |
| CN111725597B (en) | Dielectric transmission line coupler, dielectric transmission line coupling assembly and network equipment | |
| CN217740761U (en) | Waveguide coaxial converter | |
| CN113300068A (en) | Integrated waveguide-coaxial-microstrip transition structure | |
| CN216648570U (en) | Directional waveguide coupler | |
| CN220585478U (en) | Short wave broadband directional coupler | |
| CN219286631U (en) | Coaxial waveguide converter with offset frequency non-standard waveguide port | |
| US11804681B1 (en) | Waveguide to coaxial conductor pin connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211112 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |