CN116632485B - Double-ridge spread spectrum waveguide coaxial converter - Google Patents
Double-ridge spread spectrum waveguide coaxial converter Download PDFInfo
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- CN116632485B CN116632485B CN202310775113.8A CN202310775113A CN116632485B CN 116632485 B CN116632485 B CN 116632485B CN 202310775113 A CN202310775113 A CN 202310775113A CN 116632485 B CN116632485 B CN 116632485B
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- 238000001228 spectrum Methods 0.000 title claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract 2
- 238000009434 installation Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 description 15
- 239000004020 conductor Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Classifications
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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
- H01P5/08—Coupling devices of the waveguide type for linking dissimilar lines or devices
- H01P5/10—Coupling devices of the waveguide type for linking dissimilar lines or devices for coupling balanced lines or devices with unbalanced lines or devices
- H01P5/103—Hollow-waveguide/coaxial-line transitions
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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 invention discloses a double-ridge spread spectrum waveguide coaxial converter, and relates to the technical field of devices for microwave communication. The converter comprises a coaxial connector, a cover plate and a waveguide, wherein the waveguide comprises an upper cavity and a lower cavity, the upper cavity and the lower cavity are fixed to form a waveguide cavity with openings at the left end and the right end, the cover plate is used for sealing a left port of the waveguide cavity, the coaxial connector is fixed to the upper cavity, an upper ridge is formed on the inner surface of the upper cavity, a lower ridge is formed on the upper surface of the lower cavity, the upper ridge and the lower ridge are oppositely arranged, a distance is kept between the upper ridge and the lower ridge, the upper end of a center column is inserted into the coaxial connector after passing through the lower ridge of the lower cavity and the upper ridge of the upper cavity in sequence, and the lower end of the center column is fixed to the outer side of the lower cavity. The converter can realize electromagnetic wave balance-unbalance transmission and has wider bandwidth.
Description
Technical Field
The invention relates to the technical field of devices for microwave communication, in particular to a double-ridge spread spectrum waveguide coaxial converter.
Background
In the field of microwave communication, waveguide-coaxial conversion is an important connection device for realizing the mutual conversion between waveguide signals and coaxial signals, and waveguide-coaxial conversion connectors are used in antennas, transmitters, receivers, carrier terminals and other devices. Voltage Standing Wave Ratio (VSWR) is an important indicator of a wave-to-frequency conversion device. With the increasing development of microwave communication technology, requirements on the bearing power and the frequency bandwidth of the waveguide coaxial converter are increasing. The bandwidth of the waveguide coaxial converter in the prior art is narrow, and the waveguide coaxial converter in the prior art needs to be added with a tuning pin to realize impedance matching, so that the structure is complex.
Disclosure of Invention
The invention aims to solve the technical problem of providing a double-ridge spread spectrum waveguide coaxial converter which has wider bandwidth and can realize balanced-unbalanced transmission of electromagnetic waves.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a coaxial converter of double-ridge spread spectrum waveguide, includes coaxial connector, apron and waveguide, the waveguide includes cavity and lower cavity, go up the cavity with the cavity is fixed the back of down forms the waveguide chamber that both ends have the opening about, the apron is used for with the left side port of waveguide chamber is sealed, coaxial connector is fixed to on the last cavity, the internal surface of going up the cavity is formed with the upper ridge, the upper surface of cavity is formed with the lower ridge down, the upper ridge with the lower ridge sets up relatively, and keeps the distance between the two, and the upper end of center post is passed through in proper order behind the lower ridge of cavity and the upper ridge of upper cavity inserts in the coaxial connector, the lower extreme of center post is fixed again the outside of cavity.
The further technical proposal is that: the upper cavity is provided with a first installation boss for fixing the coaxial connector on the upper surface close to one end of the cover plate, a first through hole is formed in the center of the first installation boss, a second through hole is formed in the upper cavity corresponding to the first through hole, and the second through hole penetrates through the left side end portion of the upper ridge.
The further technical proposal is that: the upper cavity is provided with an upper half-wave guide cavity, the upper inner wall of the upper half-wave guide cavity comprises a first horizontal plane, a first inclined plane and a second horizontal plane, the first horizontal plane extends from the right side port of the waveguide cavity to the left side of the waveguide cavity, the first horizontal plane is connected with the second horizontal plane through the first inclined plane, and the height of the first inclined plane is gradually reduced.
The further technical proposal is that: the upper ridge is transversely arranged along the upper inner wall of the upper half-wave guide cavity, the upper ridge comprises an upper first section ridge, an upper second section ridge and an upper third section ridge, the upper first section ridge is horizontally arranged on the first horizontal plane, the upper first section ridge extends from the right side port of the guide cavity to the left side port of the guide cavity, the upper second section ridge is connected with one end of the upper third section ridge, the left side end of the upper third section ridge extends to the middle of the second horizontal plane, the upper second section ridge is parallel to the first inclined plane, and the upper third section ridge is parallel to the second horizontal plane.
The further technical proposal is that: the second through hole penetrates through the outer side wall of the upper cavity and the upper third section ridge from top to bottom in sequence, the diameter of the upper portion of the center column is smaller than the inner diameter of the second through hole, so that the center column is not contacted with the upper cavity when the upper end of the center column is inserted into the upper cavity, a boss is formed at the left end of the upper third section ridge, and the boss enables the lower portion of the second through hole to form a partial half hole.
The further technical proposal is that: the lower cavity is provided with a second installation boss for fixing the central column on the lower surface close to one end of the cover plate, the second installation boss is provided with a groove, the center of the groove is provided with a third through hole, a fourth through hole is formed in the lower cavity corresponding to the third through hole and is a step hole and is matched with the lower part of the central column, the fourth through hole penetrates through the left end part of the lower ridge, the fourth through hole is opposite to the second through hole, the upper end of the central column enters the lower cavity through the third through hole, penetrates out of the lower cavity through the fourth through hole, penetrates out of the upper cavity through the second through hole and then penetrates out of the first through hole, and finally the upper end of the central column enters the coaxial connector.
The further technical proposal is that: the lower cavity is provided with a lower half waveguide cavity, the lower inner wall of the lower half waveguide cavity comprises a third horizontal plane, a second inclined plane and a fourth horizontal plane, the third horizontal plane extends from the right side port of the waveguide cavity to the left side of the waveguide cavity and is connected with the fourth horizontal plane through the second inclined plane, and the height of the second inclined plane gradually rises.
The further technical proposal is that: the lower ridge is transversely arranged along the lower inner wall of the lower half waveguide cavity, the lower ridge comprises a lower first section ridge, a lower second section ridge and a lower third section ridge, the lower first section ridge is horizontally arranged on the third horizontal plane, the lower first section ridge extends from the right side port of the waveguide cavity to the left side port of the waveguide cavity, the lower second section ridge is connected with one end of the lower third section ridge, the left side end of the lower third section ridge extends to the middle of the fourth horizontal plane, the lower second section ridge is parallel to the second inclined plane, and the lower third section ridge is parallel to the fourth horizontal plane.
The further technical proposal is that: the fourth through hole passes through the outer side wall of the lower cavity and the lower third section ridge in sequence from bottom to top, the middle lower part of the center column is matched with the fourth through hole, so that when the middle part of the center column is inserted into the lower cavity, the center column is contacted with the lower ridge, a boss is formed at the left end part of the lower third section ridge, and the boss enables the upper part of the fourth through hole to form a partial half hole.
The beneficial effects of adopting above-mentioned technical scheme to produce lie in: compared with a standard waveguide-coaxial conversion structure, the double-ridge waveguide-coaxial conversion structure has the advantages that the waveguide has wider bandwidth due to the double ridges arranged in the waveguide, and wider working bandwidth can be realized due to the double-ridge waveguide-coaxial conversion structure. The dual-ridge waveguide has the function of impedance matching by the ridge structure, so that the impedance matching is realized without adding a tuning pin in a conversion part. The inner conductor (central column) of the coaxial structure is directly connected with the lower ridge of the ridge waveguide, so that the conversion of electromagnetic wave balance-unbalance transmission is realized.
Since the main mode cut-off frequency (low frequency) of the waveguide is mainly affected by the long side, i.e., a-side dimension, of the rectangle (waveguide), the b-side (short side) dimension is reduced by providing the relevant inclined plane, and the influence on the main mode cut-off frequency of the waveguide is small; meanwhile, the narrow b-side structure can reduce the size of the opening surface of the rectangular waveguide, change the length-width ratio of the opening surface of the waveguide, and improve the cut-off frequency (high-frequency) of the high-order mode to a certain extent, so that the purpose of further expanding the bandwidth is achieved, and therefore, the narrow b-side structure is utilized to further expand the high-frequency bandwidth, and the ultra-wideband working state of the conversion structure is realized.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic perspective view of a transducer according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a front view of a converter according to an embodiment of the present invention;
FIG. 3 is a schematic left-hand view of a transducer according to an embodiment of the present invention;
FIG. 4 is a right side view of a transducer according to an embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view of a transducer according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of the upper cavity in the transducer according to an embodiment of the present invention;
FIG. 7 is an enlarged schematic view of the upper cavity in the transducer according to the embodiment of the present invention;
FIG. 8 is a schematic view of the structure of the lower cavity of the transducer according to the embodiment of the present invention;
FIG. 9 is an enlarged schematic view of the lower cavity of the transducer according to the embodiment of the present invention;
wherein: 1. a coaxial connector; 2. a cover plate; 3. an upper cavity; 31. a first mounting boss 32, a first through hole; 33. a second through hole; 34. a first horizontal plane; 35. a first inclined surface; 36. a second horizontal plane; 4. a lower cavity; 41. a second mounting boss; 42. a third through hole; 43. a fourth through hole; 44. a third horizontal plane; 45. a second inclined surface; 46. a fourth horizontal plane; 5. an upper ridge; 51. an upper first section of ridge; 52. an upper second ridge; 53. a third ridge; 6. a lower ridge; 61. a lower first section of ridge; 62. a lower second-stage ridge; 63. a lower third ridge; 7. a center column; 8. and positioning pins.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.
As shown in fig. 1-9, an embodiment of the present invention discloses a dual-ridge spread spectrum waveguide coaxial converter, which includes a coaxial connector 1, a cover plate 2 and a waveguide, wherein the coaxial connector 1, the cover plate 2 and the waveguide are all made of metal materials, preferably brass materials. The waveguide comprises an upper cavity 3 and a lower cavity 4, and the upper cavity 3 and the lower cavity 4 are fixed together through mutually matched screws and screw holes. The upper cavity 3 and the lower cavity 4 are fixed to form waveguide cavities with openings at left and right ends inside the upper cavity 3, an upper half waveguide cavity is formed on the upper cavity 3, a lower half waveguide cavity is formed on the lower cavity 4, and the upper half waveguide cavity and the lower half waveguide cavity are combined to form a complete waveguide cavity.
The cover plate 2 is used for closing the left side port of the waveguide cavity, preferably, the cover plate is fixed to the left end of the waveguide through a screw, and the left side port of the waveguide cavity is closed, so that electromagnetic waves enter from the right side port of the waveguide cavity and are transmitted to the coaxial converter 1. The coaxial connector 1 is fixed to the upper cavity 3, an upper ridge 5 is formed on the lower surface of the upper cavity 3, a lower ridge 6 is formed on the upper surface of the lower cavity 4, and the upper ridge 5 and the lower ridge 6 are disposed opposite to each other with a distance maintained therebetween, that is, the upper ridge 5 and the lower ridge 6 are not in contact with each other. The upper end of the center post 7 (coaxial inner conductor) is inserted into the coaxial connector 1 after passing through the lower ridge 6 of the lower cavity 4 and the upper ridge 5 of the upper cavity 3 in sequence, and the lower end of the center post 7 is fixed on the outer side of the lower cavity 4.
Further, as shown in fig. 5, 6 and 7, the upper ridge 5 and the lower ridge 6 extend in the left-right direction of the upper cavity 3 and the lower cavity 4, and the upper ridge 5 and the lower ridge 6 are located in the middle of the front-rear direction of the waveguide. The upper cavity 3 is formed with a first mounting boss 31 for fixing the coaxial connector 1 on an upper surface of one end near the cover plate 2, the coaxial connector 1 is fixed to the first mounting boss 31 by a screw, and the coaxial connector 1 can be mounted and dismounted as required. As shown in fig. 7, a first through hole 32 is formed in the center of the first mounting boss 31, and a second through hole 33 is formed in the upper cavity 3 corresponding to the first through hole 32, and generally, the first through hole 32 penetrates the first mounting boss 31, the second through hole 33 is formed at the lower side thereof, and the second through hole 33 penetrates the left end portion of the upper ridge 5.
Further, as shown in fig. 6 and 7, fig. 7 is an enlarged schematic view of the upper cavity 3 after being turned over, the upper cavity 3 is formed with an upper half waveguide cavity, and in fig. 8, the opening of the upper cavity 3 is upward, and in fact, in the converter, the opening of the upper cavity 3 is downward. The upper inner wall of the upper half-wave guide cavity includes a first horizontal plane 34, a first inclined plane 35, and a second horizontal plane 36, the first horizontal plane 34, the first inclined plane 35, and the second horizontal plane 36 are three continuous planes, the first horizontal plane 34 extends from the right port of the waveguide cavity to the left side thereof, and is connected to the second horizontal plane 36 via the first inclined plane 35, and the height of the first inclined plane 35 gradually decreases (in the use state, the state is not shown in fig. 8).
Further, as shown in fig. 7, the upper ridge 5 is disposed transversely along the upper inner wall of the upper half-wave guide cavity, and the upper ridge 5 includes an upper first ridge 51, an upper second ridge 52 and an upper third ridge 53, where the upper first ridge 51, the upper second ridge 52 and the upper third ridge 53 are disposed continuously without any gap therebetween. Wherein the upper first ridge 51 is horizontally disposed on the first horizontal plane 34, and the upper first ridge 51 extends from the right port of the waveguide cavity to the left port thereof, and is connected to one end of the upper third ridge 53 via the upper second ridge 52. The left end of the upper third ridge 53 extends to the middle of the second horizontal plane 36, the upper second ridge 52 is disposed parallel to the first inclined plane 35, and the upper third ridge 53 is disposed parallel to the second horizontal plane 36.
Further, as shown in fig. 5 and 6-7, the second through hole 33 penetrates through the outer sidewall of the upper cavity 3 and the upper third ridge 53 from top to bottom in sequence, and the diameter of the upper portion of the center post 7 is smaller than the inner diameter of the second through hole 33, so that the center post 7 is not in contact with the upper cavity 3 when the upper end of the center post 7 is inserted into the upper cavity 3. A boss is formed at the left end of the upper third ridge 53 (that is, a notch is provided at the leftmost side thereof, the boss is formed through the notch), and the boss forms a partial half hole at the lower portion of the second through hole 33.
Further, as shown in fig. 5, 8 and 9, the lower cavity 4 is formed with a second mounting boss 41 for fixing a central column on a lower surface near one end of the cover plate 2, the second mounting boss 41 is formed with a groove, a third through hole 42 is formed in the center of the groove, and an outer end portion of the central column 7 is fixed in the third through hole 42 on the second mounting boss 41, and typically, the third through hole 42 penetrates through the second mounting boss. A fourth through hole 43 is formed on the lower cavity 4 corresponding to the third through hole 42, the fourth through hole 43 is a step hole, and is adapted to the lower portion of the center pillar 7, and when the center pillar 7 is inserted into the third through hole 42 and the fourth through hole 43, the lower portion and the middle portion of the center pillar sequentially contact with the inner wall of the third through hole 42 and the inner wall of the fourth through hole 43. The fourth through hole 43 penetrates through the left end of the lower ridge 6, the fourth through hole 43 is opposite to the second through hole 33, the upper end of the center post 7 enters the lower cavity 4 through the third through hole 42, passes through the fourth through hole 43 to exit the lower cavity 4, passes through the second through hole 33 and then passes through the first through hole 32 to exit the upper cavity 3, and finally enters the upper end of the center post 7 into the coaxial connector 1.
Further, as shown in fig. 8 and 9, fig. 9 is an enlarged schematic view of the lower cavity 4, a lower half waveguide cavity is formed on the lower cavity 4, and a lower inner wall of the lower half waveguide cavity includes a third horizontal plane 44, a second inclined plane 45 and a fourth horizontal plane 46, where the third horizontal plane 44, the second inclined plane 45 and the fourth horizontal plane 46 are continuously disposed without a space therebetween. The third horizontal surface 44 extends from the right port of the waveguide cavity to the left thereof and is connected to the fourth horizontal surface 46 via the second inclined surface 45, and the height of the second inclined surface 45 gradually increases. The provision of the first inclined surface 35 and the second inclined surface 45 reduces the length of the broad side (b-side) of the waveguide cavity.
Further, as shown in fig. 9, the lower ridge 6 is disposed transversely along the lower inner wall of the lower half waveguide cavity, and the lower ridge includes a lower first ridge 61, a lower second ridge 62 and a lower third ridge 63, where the lower first ridge 61, the lower second ridge 62 and the lower third ridge 63 are disposed continuously without a space therebetween. The lower first-stage ridge 61 is horizontally disposed on the third horizontal plane 44, and the lower first-stage ridge 61 extends from the right side port to the left side port of the waveguide cavity, and is connected to one end of the lower third-stage ridge 63 through the lower second-stage ridge 62, the left side end of the lower third-stage ridge 63 extends to the middle of the fourth horizontal plane 46, the lower second-stage ridge 62 is disposed parallel to the second inclined plane 45, and the lower third-stage ridge 63 is disposed parallel to the fourth horizontal plane 46.
Further, as shown in fig. 9, the fourth through hole 43 sequentially penetrates through the outer side wall of the lower cavity 4 and the lower third ridge 63 from bottom to top, the middle lower portion of the center post 7 is adapted to the fourth through hole 43, so that when the middle portion of the center post 7 is inserted into the lower cavity 4, the center post 7 contacts with the lower ridge 6, a boss is formed at the left end portion of the lower third ridge 63 (that is, a notch is formed at the leftmost side of the boss), and the boss forms a partial half hole at the upper portion of the fourth through hole 43.
As shown in fig. 1, in the converter disclosed by the application, a flange connection part is formed at the right end of the upper cavity and the right end of the lower cavity, a positioning pin hole and a connection hole are formed in the flange connection part, and a positioning pin is arranged in the positioning pin hole and used for positioning the converter during installation, so that the converter is more convenient to install.
Compared with a standard waveguide-coaxial conversion structure, the double-ridge waveguide-coaxial conversion structure can realize wider working bandwidth due to the fact that the double ridge (the upper ridge 5 and the lower ridge 6) is arranged in the waveguide, so that the waveguide has wider bandwidth. The dual-ridge waveguide has the function of impedance matching by the ridge structure, so that the impedance matching is realized without adding a tuning pin in a conversion part. The inner conductor (center column 7) of the coaxial structure is directly connected with the lower ridge 6 of the ridge waveguide, so that the conversion of electromagnetic wave balance-unbalance transmission is realized.
Since the main mode cut-off frequency (low frequency) of the waveguide is mainly affected by the long side, i.e., the a-side dimension, of the rectangular waveguide, the b-side (short side) dimension is reduced by providing the relevant inclined plane, and the influence on the main mode cut-off frequency of the waveguide is small; meanwhile, the narrow b-side structure can reduce the size of the opening surface of the rectangular waveguide, change the length-width ratio of the opening surface of the waveguide, and improve the cut-off frequency (high-frequency) of the high-order mode to a certain extent, so that the purpose of further expanding the bandwidth is achieved, and therefore, the narrow b-side structure is utilized to further expand the high-frequency bandwidth, and the ultra-wideband working state of the conversion structure is realized.
Claims (5)
1. A dual-ridge spread spectrum waveguide coaxial transducer, characterized by: the coaxial connector comprises a coaxial connector (1), a cover plate (2) and a waveguide, wherein the waveguide comprises an upper cavity (3) and a lower cavity (4), the upper cavity (3) and the lower cavity (4) are fixed and then form waveguide cavities with openings at the left end and the right end, the cover plate (2) is used for sealing the left side port of the waveguide cavity, the coaxial connector (1) is fixed on the upper cavity (3), an upper ridge (5) is formed on the lower surface of the upper cavity (3), a lower ridge (6) is formed on the upper surface of the lower cavity (4), the upper ridge (5) and the lower ridge (6) are oppositely arranged, a distance is kept between the upper ridge and the lower cavity, the upper end of a center column (7) is inserted into the coaxial connector (1) after passing through the lower ridge (6) of the lower cavity (4) and the upper ridge (5) of the upper cavity (3), and the lower end of the center column (7) is fixed on the outer side of the lower cavity (4);
the upper ridge (5) and the lower ridge (6) extend along the left-right direction of the upper cavity (3) and the lower cavity (4), and the upper ridge (5) and the lower ridge (6) are positioned in the middle of the front-rear direction of the waveguide;
a first installation boss (31) for fixing the coaxial connector (1) is formed on the upper surface of one end, close to the cover plate (2), of the upper cavity (3), a first through hole (32) is formed in the center of the first installation boss (31), a second through hole (33) is formed in the upper cavity (3) corresponding to the first through hole (32), and the second through hole (33) penetrates through the left end part of the upper ridge (5);
an upper half-wave guide cavity is formed on the upper cavity (3), the upper inner wall of the upper half-wave guide cavity comprises a first horizontal plane (34), a first inclined plane (35) and a second horizontal plane (36), the first horizontal plane (34) extends from the right side port of the waveguide cavity to the left side of the waveguide cavity, the first inclined plane (35) is connected with the second horizontal plane (36), and the height of the first inclined plane (35) is gradually reduced;
the upper ridge (5) is transversely arranged along the upper inner wall of the upper half-wave guide cavity, the upper ridge (5) comprises an upper first section ridge (51), an upper second section ridge (52) and an upper third section ridge (53), the upper first section ridge (51) is horizontally arranged on the first horizontal plane (34), the upper first section ridge (51) extends from a right side port of the waveguide cavity to a left side port of the waveguide cavity, the upper first section ridge is connected with one end of the upper third section ridge (53) through the upper second section ridge (52), the left side end of the upper third section ridge (53) extends to the middle of the second horizontal plane (36), the upper second section ridge (52) is parallel to the first inclined plane (35), and the upper third section ridge (53) is parallel to the second horizontal plane (36);
the second through hole (33) sequentially penetrates through the outer side wall of the upper cavity (3) and the upper third section ridge (53) from top to bottom, the diameter of the upper portion of the center column (7) is smaller than the inner diameter of the second through hole (33), so that the center column (7) is not contacted with the upper cavity (3) when the upper end of the center column (7) is inserted into the upper cavity (3), a boss is formed at the left side end of the upper third section ridge (53), and the boss enables the lower portion of the second through hole (33) to form a partial half hole.
2. The dual-ridge spread spectrum waveguide coaxial converter of claim 1, wherein: the lower cavity (4) is provided with a second installation boss (41) used for fixing a center column on the lower surface close to one end of the cover plate (2), a groove is formed in the second installation boss (41), a third through hole (42) is formed in the center of the groove, a fourth through hole (43) is formed in the lower cavity (4) corresponding to the third through hole (42), the fourth through hole (43) is a step hole and is matched with the lower portion of the center column (7), the fourth through hole (43) penetrates through the left end portion of the lower ridge (6), the fourth through hole (43) is opposite to the second through hole (33), the upper end of the center column (7) penetrates into the lower cavity (4) through the third through hole (42), penetrates out of the lower cavity (4) through the fourth through hole (43), then penetrates out of the upper cavity (3) through the first through hole (32) after passing through the second through hole (33), and finally the center column (7) enters the coaxial connector (1).
3. The dual-ridge spread spectrum waveguide coaxial converter of claim 2, wherein: the lower cavity (4) is provided with a lower half waveguide cavity, the lower inner wall of the lower half waveguide cavity comprises a third horizontal plane (44), a second inclined plane (45) and a fourth horizontal plane (46), the third horizontal plane (44) extends from the right side port of the waveguide cavity to the left side of the waveguide cavity, the third horizontal plane is connected with the fourth horizontal plane (46) through the second inclined plane (45), and the height of the second inclined plane (45) is gradually increased.
4. A dual-ridge spread spectrum waveguide coaxial transducer as defined in claim 3, wherein: the lower ridge (6) is transversely arranged along the lower inner wall of the lower half waveguide cavity, the lower ridge comprises a lower first section ridge (61), a lower second section ridge (62) and a lower third section ridge (63), the lower first section ridge (61) is horizontally arranged on the third horizontal plane (44), the lower first section ridge (61) extends from the right side port of the waveguide cavity to the left side port of the waveguide cavity, the lower first section ridge (61) is connected with one end of the lower third section ridge (63) through the lower second section ridge (62), the left side end of the lower third section ridge (63) extends to the middle of the fourth horizontal plane (46), the lower second section ridge (62) is parallel to the second inclined plane (45), and the lower third section ridge (63) is parallel to the fourth horizontal plane (46).
5. The dual-ridge spread spectrum waveguide coaxial converter of claim 4, wherein: the fourth through hole (43) sequentially penetrates through the outer side wall of the lower cavity (4) and the lower third section ridge (63) from bottom to top, the middle lower portion of the center column (7) is matched with the fourth through hole (43), so that the center column (7) is in contact with the lower ridge (6) when the middle portion of the center column (7) is inserted into the lower cavity (4), a boss is formed at the left side end portion of the lower third section ridge (63), and the boss enables the upper portion of the fourth through hole (43) to form a partial half hole.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310775113.8A CN116632485B (en) | 2023-06-28 | 2023-06-28 | Double-ridge spread spectrum waveguide coaxial converter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310775113.8A CN116632485B (en) | 2023-06-28 | 2023-06-28 | Double-ridge spread spectrum waveguide coaxial converter |
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| CN116632485A CN116632485A (en) | 2023-08-22 |
| CN116632485B true CN116632485B (en) | 2024-01-23 |
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| US4144506A (en) * | 1977-09-23 | 1979-03-13 | Litton Systems, Inc. | Coaxial line to double ridge waveguide transition |
| CN206148597U (en) * | 2016-08-30 | 2017-05-03 | 北京星英联微波科技有限责任公司 | High -power broadband waveguide coaxial convertion ware |
| CN206480744U (en) * | 2017-02-09 | 2017-09-08 | 南京广顺电子技术研究所 | Double ridged waveguide coaxial converter |
| CN216214249U (en) * | 2021-11-29 | 2022-04-05 | 成都齐联微波科技有限公司 | Contact pin and coaxial double-ridge waveguide converter thereof |
| 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 |
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2023
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4144506A (en) * | 1977-09-23 | 1979-03-13 | Litton Systems, Inc. | Coaxial line to double ridge waveguide transition |
| CN206148597U (en) * | 2016-08-30 | 2017-05-03 | 北京星英联微波科技有限责任公司 | High -power broadband waveguide coaxial convertion ware |
| CN206480744U (en) * | 2017-02-09 | 2017-09-08 | 南京广顺电子技术研究所 | Double ridged waveguide coaxial converter |
| CN216214249U (en) * | 2021-11-29 | 2022-04-05 | 成都齐联微波科技有限公司 | Contact pin and coaxial double-ridge waveguide converter thereof |
| 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 |
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