CN219286631U - Coaxial waveguide converter with offset frequency non-standard waveguide port - Google Patents
Coaxial waveguide converter with offset frequency non-standard waveguide port Download PDFInfo
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- CN219286631U CN219286631U CN202320337367.7U CN202320337367U CN219286631U CN 219286631 U CN219286631 U CN 219286631U CN 202320337367 U CN202320337367 U CN 202320337367U CN 219286631 U CN219286631 U CN 219286631U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The utility model discloses a coaxial waveguide converter with a frequency deviation non-standard waveguide port, which belongs to the technical field of satellite communication and comprises a waveguide cavity, a short-circuit screw, a connector, an insulating medium, a coupling needle, a first bushing, a second bushing and a fixing screw, wherein a hole is formed in the waveguide cavity, a first groove is further formed in the waveguide cavity, the first circular groove in the waveguide cavity is communicated with the hole, the diameter of a first end of the hole in the waveguide cavity is smaller than that of a second end of the hole, and a second circular groove is formed in the second end of the hole. The two ends of the waveguide cavity are opened, one end of the waveguide cavity is closed by using a short-circuit screw, the upper surface of the inner part of the waveguide cavity is inclined until the size of the waveguide opening is regulated, so that the inner part of the cavity is increased, the trend that the working frequency extends to low frequency is increased, and the design of frequency deviation of the nonstandard waveguide opening is achieved.
Description
Technical Field
The utility model relates to the technical field of satellite communication, in particular to a coaxial waveguide converter with a frequency offset non-standard waveguide port.
Background
In the field of radio frequency microwave signal transmission, besides the transmission of wireless signals, transmission lines are not needed, but in most cases, transmission lines are needed for signal transmission, wherein coaxial lines and waveguides are widely used for transmitting microwave radio frequency energy, and in order to be used in various situations, the two transmission lines are sometimes connected with each other, so that a coaxial waveguide converter is needed.
The coaxial waveguide converter is an indispensable passive conversion device in various radar systems, precision guidance systems and test equipment, and has the characteristics of wide frequency band, low insertion loss, small standing wave and the like. The bandwidth of the coaxial line and the waveguide are relatively wide when they are transmitted, and the bandwidth after connection depends on the converter, that is, on the matching of the characteristic impedance of the coaxial waveguide. In many microwave systems, for example: coaxial waveguide switching is also commonly used for antennas, transmitters, receivers, carrier terminals, etc.
However, the frequency deviation performance is poor in the prior art, so that the utility model provides a coaxial waveguide converter with a frequency deviation non-standard waveguide port.
Disclosure of Invention
Aiming at the technical problems, the utility model discloses a coaxial waveguide converter with a frequency deviation non-standard waveguide port, which comprises a waveguide cavity, wherein a hole is formed in the waveguide cavity, a first groove is further formed in the waveguide cavity, the first circular groove on the waveguide cavity is communicated with the hole, the diameter of the first end of the hole on the waveguide cavity is smaller than that of the second end of the hole, and the second end of the hole is provided with a second circular groove.
Further, the coaxial waveguide converter with the offset frequency non-standard waveguide port further comprises a connector, wherein the connector is connected with the waveguide cavity through a plurality of fixing screws, the fixing screws are uniformly distributed, and the connector is concentric with the first circular groove on the waveguide cavity.
Further, the coaxial waveguide converter with the offset frequency non-standard waveguide port further comprises a coupling needle, the coupling needle is in a step shape, an insulating medium is arranged in the middle of the coupling needle, a matching bush is arranged on the insulating medium, the matching bush is connected with a first circular groove on the waveguide cavity, a first bush is arranged on the first face of the matching bush, the first bush is connected with the first circular groove on the waveguide cavity, a second bush is arranged on the second face of the matching bush, the second bush is connected with the first circular groove on the waveguide cavity, the second end of the coupling needle stretches into a middle hole of the waveguide cavity, and the inner diameters of the first bush and the second bush are smaller than the outer diameter of the insulating medium.
Further, the coaxial waveguide converter with the offset frequency non-standard waveguide port further comprises a short-circuit screw, wherein a straight groove is formed in the first end of the short-circuit screw, and the short-circuit screw is in threaded connection with a second round groove in the waveguide cavity.
Further, the insulating medium is an insulating medium.
Further, the first end of the connector is provided with a slotted hole, and the first end of the coupling pin is connected with the slotted hole on the connector.
Further, the inner diameter and the outer diameter of the first bushing are different from those of the second bushing.
Further, a step is arranged on the first groove on the waveguide cavity and used for fixing the second bushing, so that impedance matching is achieved.
Compared with the prior art, the utility model has the beneficial effects that: (1) The utility model is provided with the waveguide cavity, the waveguide cavity adopts an integrated structure, the design is more easily reduced from the appearance, the step processing is not needed in the waveguide cavity, and the processing cost is reduced; (2) The whole structure of the utility model does not need welding, ensures the reliability of the structure, adopts insulating medium with higher temperature resistance, and can expand the use temperature range of the product; (3) According to the utility model, the linear cutting processing is adopted in the waveguide cavity, the processing precision is ensured, the inclined plane structure is adopted in the inner hole of the waveguide cavity, the defect of no step matching and less step matching in the cavity is ensured, the trend of extending the working frequency to low frequency is increased, the design of non-standard waveguide port offset frequency is achieved, and the product performance is ensured so as to optimize offset frequency.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic diagram of the overall structure of the present utility model.
FIG. 3 is a schematic view of a portion of the structure of the present utility model.
Fig. 4 is a sectional view taken along the direction A-A in fig. 3.
Fig. 5 is an enlarged schematic view of the structure at B in fig. 4.
FIG. 6 is a schematic diagram of a portion of the structure of the second embodiment of the present utility model.
Reference numerals: 1-a waveguide cavity; a 2-connector; 3-fixing screws; 4-shorting the screw; a 5-coupling needle; 6-bushing one; 7-bushing II; 8-matching bushings; 9-insulating medium.
Detailed Description
Examples: as shown in fig. 1-6, a coaxial waveguide converter with a frequency deviation non-standard waveguide port comprises a waveguide cavity 1, wherein the waveguide cavity 1 is integrally designed, a hole is formed in the waveguide cavity 1, a first groove is further formed in the waveguide cavity 1, the first circular groove is communicated with the hole, the diameter of the first end of the hole in the waveguide cavity 1 is smaller than that of the second end of the hole, a second circular groove is formed in the second end of the hole, the hole in the waveguide cavity 1 is processed through linear cutting, the upper surface of the hole in the waveguide cavity 1 is integrally inclined, so that an internal waveguide section of the waveguide cavity 1 gradually expands from the first end of the hole in the waveguide cavity 1 to the second end of the hole in the waveguide cavity 1, and meanwhile, a frequency signal of the whole waveguide section gradually expands towards low frequency.
The coaxial waveguide converter with the offset frequency non-standard waveguide port further comprises a connector 2, wherein the connector 2 is connected with the waveguide cavity 1 through a plurality of fixing screws 3, the fixing screws 3 are uniformly distributed, and the connector 2 is concentric with a first circular groove on the waveguide cavity 1.
The coaxial waveguide converter with the offset frequency nonstandard waveguide port further comprises a coupling needle 5, the coupling needle 5 is in a ladder shape, an insulating medium 9 is arranged in the middle of the coupling needle 5, a matching bush 8 is arranged on the insulating medium 9, the matching bush 8 is connected with a first circular groove on the waveguide cavity 1, a first bush 6 is arranged on the first surface of the matching bush 8, the first bush 6 is connected with the first circular groove on the waveguide cavity 1, a second bush 7 is arranged on the second surface of the matching bush 8, the inner diameters of the first bush 6 and the second bush 7 are smaller than the outer diameter of the insulating medium 9, the insulating medium 9 is an insulating medium, a split groove hole is formed in the first end of the connector 2, the first end of the coupling needle 5 is connected with the split groove on the connector 2, the second end of the coupling needle 5 stretches into the middle hole of the waveguide cavity 1, the TEM mode is converted into a TE10 mode, the inner diameter and the outer diameter of the first bush 6 are different from the inner diameter of the second bush 7, a step is arranged on the first groove on the waveguide cavity 1, the step is used for fixing the second bush 7, and accordingly impedance matching is achieved.
The coaxial waveguide converter with the offset frequency non-standard waveguide port further comprises a short-circuit screw 4, a straight groove is formed in the first end of the short-circuit screw 4, and the short-circuit screw 4 is in threaded connection with a second circular groove in the waveguide cavity 1.
Claims (8)
1. A coaxial waveguide converter with offset frequency non-standard waveguide port, characterized in that: comprises a waveguide cavity (1), wherein a hole is arranged on the waveguide cavity (1), a first groove is also arranged on the waveguide cavity (1), the first round groove on the waveguide cavity (1) is communicated with the hole, the diameter of the first end of the upper hole of the waveguide cavity (1) is smaller than that of the second end of the upper hole, and the second end of the upper hole is provided with a second round groove.
2. A frequency offset non-standard waveguide port coaxial waveguide converter according to claim 1, wherein: the novel high-power optical fiber waveguide device is characterized by further comprising a connector (2), wherein the connector (2) is connected with the waveguide cavity (1) through a plurality of fixing screws (3), the fixing screws (3) are uniformly distributed, and the first circular groove on the connector (2) is concentric with the first circular groove on the waveguide cavity (1).
3. A frequency offset non-standard waveguide port coaxial waveguide converter according to claim 2, wherein: still include coupling needle (5), coupling needle (5) are the step form, coupling needle (5) mid-mounting has insulating medium (9), install on insulating medium (9) and match bush (8), it connects to match first circular slot on bush (8) and waveguide cavity (1), install bush one (6) on the first face of bush (8), install bush two (7) on bush one (6) and waveguide cavity (1) on the second face of bush (8), first circular slot is connected on bush two (7) and waveguide cavity (1), coupling needle (5) second end stretches into in waveguide cavity (1) mesopore, bush one (6) and bush two (7) internal diameter are less than insulating medium (9) external diameter.
4. A frequency offset non-standard waveguide port coaxial waveguide converter according to claim 3, wherein: the novel waveguide structure is characterized by further comprising a short-circuit screw (4), wherein a straight groove is formed in the first end of the short-circuit screw (4), and the short-circuit screw (4) is in threaded connection with a second round groove on the waveguide cavity (1).
5. A frequency offset non-standard waveguide port coaxial waveguide converter according to claim 3, wherein: the insulating medium (9) is an insulating medium.
6. A frequency offset non-standard waveguide port coaxial waveguide converter according to claim 3, wherein: the first end of the connector (2) is provided with a slotted hole, and the first end of the coupling needle (5) is connected with the slotted hole on the connector (2).
7. A frequency offset non-standard waveguide port coaxial waveguide converter according to claim 3, wherein: the inner diameter and the outer diameter of the first bushing (6) are different from those of the second bushing (7).
8. The coaxial waveguide converter of claim 7, wherein the off-frequency non-standard waveguide port comprises: the first groove on the waveguide cavity (1) is provided with a step which is used for fixing the bushing II (7), so that impedance matching is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320337367.7U CN219286631U (en) | 2023-02-28 | 2023-02-28 | Coaxial waveguide converter with offset frequency non-standard waveguide port |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320337367.7U CN219286631U (en) | 2023-02-28 | 2023-02-28 | Coaxial waveguide converter with offset frequency non-standard waveguide port |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219286631U true CN219286631U (en) | 2023-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320337367.7U Active CN219286631U (en) | 2023-02-28 | 2023-02-28 | Coaxial waveguide converter with offset frequency non-standard waveguide port |
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| Country | Link |
|---|---|
| CN (1) | CN219286631U (en) |
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2023
- 2023-02-28 CN CN202320337367.7U patent/CN219286631U/en active Active
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Address after: 710077 Floor 2 and 3, Building 2, No. 71, Jinye Road, High-tech Zone, Xi'an, Shaanxi Province Patentee after: Xi'an Ruixintong Microwave Technology Co.,Ltd. Country or region after: China Address before: 710077 Floor 2 and 3, Building 2, No. 71, Jinye Road, High-tech Zone, Xi'an, Shaanxi Province Patentee before: XI'AN FORSTAR MICROWAVE TECHNOLOGY Co.,Ltd. Country or region before: China |