CN210778917U - Flat rectangular waveguide coaxial converter - Google Patents
Flat rectangular waveguide coaxial converter Download PDFInfo
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- CN210778917U CN210778917U CN201921579974.4U CN201921579974U CN210778917U CN 210778917 U CN210778917 U CN 210778917U CN 201921579974 U CN201921579974 U CN 201921579974U CN 210778917 U CN210778917 U CN 210778917U
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Abstract
The utility model discloses a coaxial converter of flat rectangle waveguide, including the waveguide cavity, the radio frequency coaxial connector is installed to the rear end of the indulging of waveguide cavity, and the vertical front end of waveguide cavity is provided with flat rectangle mouth, is provided with the waveguide chamber in the waveguide cavity, and the waveguide chamber includes from vertical front end to the flat rectangle transitional cavity that the rear end communicates in proper order, rectangle transitional cavity and rectangle operation chamber of indulging, flat rectangle transitional cavity and flat rectangle mouth intercommunication, and the top in rectangle transitional cavity and rectangle operation chamber sets up to open skylight, installs the detachable apron on the skylight. The utility model provides a coaxial converter of flat rectangular waveguide solves the not enough technical problem that leads to the yield low of the operating space of the coaxial converter of current flat rectangular waveguide.
Description
Technical Field
The utility model belongs to the communication field relates to the coaxial converter of waveguide, concretely relates to coaxial converter of flat rectangular waveguide.
Background
The existing flat rectangular waveguide coaxial converter is generally processed by through cavity linear cutting, the tail end of the converter is sealed by a cover plate, and the end of a waveguide flange is open. With the rapid development of aerospace industry in China, higher requirements are placed on the reliability and electrical performance indexes of the flat rectangular waveguide coaxial converter. The conventional flat rectangular waveguide coaxial converter is processed in a through cavity linear cutting mode, the smoothness and precision of the interior of a waveguide cavity are lower than those of a machining process, and the flat rectangular waveguide coaxial converter has great influence on the electrical performance index requirement when the flat rectangular waveguide coaxial converter is higher; the connector and waveguide cavity blind welding mode easily produces unqualified phenomena such as bubbles, insufficient solder, missing solder and the like during welding, so that the welding yield is greatly reduced.
Disclosure of Invention
To the not enough and defect of above-mentioned prior art, the utility model aims to provide a flat rectangular waveguide coaxial converter solves the not enough technical problem that leads to the yield low of operating space of current flat rectangular waveguide coaxial converter.
In order to solve the technical problem, the utility model discloses a following technical scheme realizes:
a flat rectangular waveguide coaxial converter comprises a waveguide cavity, wherein a radio frequency coaxial connector is installed at the longitudinal rear end of the waveguide cavity, a flat rectangular opening is formed in the longitudinal front end of the waveguide cavity, and a waveguide cavity is formed in the waveguide cavity;
the waveguide cavity comprises a flat rectangular transition cavity, a rectangular transition cavity and a rectangular operation cavity which are sequentially communicated from the longitudinal front end to the longitudinal rear end, and the flat rectangular transition cavity is communicated with a flat rectangular opening;
the transverse width of the flat rectangular transition cavity, the transverse width of the rectangular transition cavity and the transverse width of the rectangular operation cavity are equal; the longitudinal axis of the flat rectangular transition cavity, the longitudinal axis of the rectangular transition cavity and the longitudinal axis of the rectangular operation cavity are parallel and are in the same vertical plane; the bottom surface of the flat rectangular transition cavity perpendicular to the vertical direction and the bottom surface of the rectangular transition cavity perpendicular to the vertical direction are positioned in the same plane, and the top surface of the rectangular transition cavity perpendicular to the vertical direction and the top surface of the rectangular operation cavity perpendicular to the vertical direction are positioned in the same plane; the vertical height of the flat rectangular transition cavity is smaller than that of the rectangular transition cavity; the vertical height of the rectangular operation cavity is equal to that of the rectangular transition cavity;
the tops of the rectangular transition cavity and the rectangular operation cavity are provided with open skylights, and detachable cover plates are arranged on the skylights;
the utility model discloses still have following technical characteristic:
the bottom surface of rectangle operation chamber be provided with the welded seat along vertical, be provided with the welding hole on the welded seat, the welding hole is the through-hole.
And a gold plating layer or a silver plating layer is arranged on the inner wall of the welding hole.
The bottom surface of the rectangular operation cavity is longitudinally provided with strip-shaped transition steps, and the transition steps are connected with the welding seat in an integrated forming mode.
The cover plate is detachably arranged on the skylight through stainless steel bolts.
The back end of the waveguide cavity is provided with a soldering tin hole, and an inner conductor of the radio frequency coaxial connector penetrates through the adjusting hole and extends into the soldering hole.
The rear end of the waveguide cavity in the longitudinal direction is provided with a radio frequency coaxial connector, and soldering tin is filled between the inner wall of the welding hole and the inner conductor of the radio frequency coaxial connector.
Compared with the prior art, the utility model, following technological effect has:
(I) the utility model provides a coaxial converter of flat rectangular waveguide to flat rectangular transition chamber replaces current logical chamber structure to rectangle transition chamber and rectangle operation chamber structure, has set up the detachable apron simultaneously, compares with the like product that current adoption led to the chamber structure, and waveguide intracavity inner structure is accomplished to the mode that this structure can directly adopt the machine to add, has obviously improved waveguide intracavity portion smooth finish and size precision, thereby can guarantee higher electrical property index requirement.
(II) the utility model provides a coaxial converter of flat rectangular waveguide has set up the detachable apron, compares with the like product that current adoption leads to the chamber structure, has increased operating space, has obviously reduced connector and waveguide chamber welded degree of difficulty in the assembling process, has promoted the yield of assembly greatly, can guarantee delivery cycle better, reduction in production cost.
Drawings
FIG. 1 is a schematic cross-sectional view of a flat rectangular waveguide coaxial converter according to the present invention
Fig. 2 is a schematic view of the assembly of the flat rectangular waveguide coaxial converter of the present invention.
Fig. 3 is an exploded schematic diagram of the flat rectangular waveguide coaxial converter of the present invention.
Fig. 4 is a schematic structural diagram of the waveguide cavity of the present invention.
Fig. 5 is a schematic structural diagram of the cover plate of the present invention.
Fig. 6 is a schematic structural diagram of the connector of the present invention.
The meaning of the individual reference symbols in the figures is: 1-waveguide cavity, 2-waveguide cavity, 3-radio frequency coaxial connector and 4-stainless steel bolt; 5-flat rectangular mouth; 6-a transition step; 7-a welding seat; 8-welding holes; 9-a regulating hole; 10-inner conductor of radio frequency coaxial connector; 11-a skylight; 12-a cover plate; 201-flat rectangular transition chamber; 202-a rectangular transition chamber; 203-rectangular operating chamber.
The following examples are provided to explain the present invention in further detail.
Detailed Description
The following embodiments of the present invention are given, and it should be noted that the present invention is not limited to the following embodiments, and all the equivalent transformations made on the basis of the technical solution of the present application all fall into the protection scope of the present invention.
The utility model discloses when carrying out the position description, describe with the position that figure 4 shows, the position that flat rectangle mouth court in the figure is vertical front end, and the position that deviates from flat rectangle mouth is vertical rear end.
The utility model discloses in flat rectangle's aspect ratio be greater than rectangle's aspect ratio.
Example (b):
according to the above technical solution, the present embodiment provides a flat rectangular waveguide coaxial converter, as shown in fig. 1 to 6, including a waveguide cavity 1, a flat rectangular opening 5 is provided at a longitudinal front end of the waveguide cavity 1, and a waveguide cavity 2 is provided in the waveguide cavity;
the waveguide cavity 2 comprises a flat rectangular transition cavity 201, a rectangular transition cavity 202 and a rectangular operation cavity 203 which are sequentially communicated from the longitudinal front end to the longitudinal rear end, and the flat rectangular transition cavity 201 is communicated with the flat rectangular port 5; the transition structure from the flat rectangular transition cavity 201 to the rectangular transition cavity 202 increases the operating space, and the rectangular operating cavity 203 is used for welding operation. If the heights of the rectangular transition cavity 202 and the rectangular operation cavity 203 are increased, a 4-hole flange connector can be selected, so that the reliability of the product is improved.
The transverse width of the flat rectangular transition cavity 201, the transverse width of the rectangular transition cavity 202 and the transverse width of the rectangular operation cavity 203 are equal; the longitudinal axis of the flat rectangular transition cavity 201, the longitudinal axis of the rectangular transition cavity 202 and the longitudinal axis of the rectangular operation cavity 203 are parallel and are in the same vertical plane; the bottom surface of the flat rectangular transition cavity 201 perpendicular to the vertical direction and the bottom surface of the rectangular transition cavity 202 perpendicular to the vertical direction are positioned in the same plane, and the top surface of the rectangular transition cavity 202 perpendicular to the vertical direction and the top surface of the rectangular operation cavity 203 perpendicular to the vertical direction are positioned in the same plane; the vertical height of the flat rectangular transition cavity 201 is smaller than that of the rectangular transition cavity 202; the vertical height of the rectangular operating cavity 203 is equal to the vertical height of the rectangular transition cavity 202;
the top of the rectangular transition cavity 202 and the rectangular operation cavity 203 is provided with an open skylight 11, and a detachable cover plate 12 is installed on the skylight 11.
Compared with the existing through cavity structure, the width of the rectangular operation cavity 203 after transition is higher than the height of the linear cutting through cavity, the operation space is larger in later assembly operation, an operator can directly observe the welding condition at the open position of the width in the welding process of the radio frequency coaxial connector 4 and the waveguide cavity 1, and compared with the through cavity processed by linear cutting, which cannot observe the welding condition of the radio frequency coaxial connector 4 and the waveguide cavity 1 during welding, the welding difficulty is obviously reduced, and the qualification rate of products is ensured.
As a preferable mode of this embodiment, a gold plating layer or a silver plating layer is provided on the inner wall of the soldering hole 8.
As a preferable scheme of this embodiment, the bottom surface of the rectangular operation cavity 203 is provided with a strip-shaped transition step 6 along the longitudinal direction, and the transition step 6 is connected with the welding seat 7 in an integrated manner. The transition step 6 can support the welding seat 7.
As a preferable mode of the present embodiment, the cover plate 12 is detachably mounted on the sunroof 11 by the stainless steel bolt 3. After the detachable cover plate 12 is detached, a larger operation space can be provided, and the operation is convenient, so that the precision and the smoothness of the processed dimension can be better ensured.
As a preferable scheme of this embodiment, the waveguide cavity 1 is provided with an adjusting hole 9 at a rear end in the longitudinal direction, and the inner conductor 10 of the radio frequency coaxial connector 4 extends into the welding hole 8 through the adjusting hole 9.
The radio frequency coaxial connector 4 is installed at the rear end of the waveguide cavity 1 in the longitudinal direction, and soldering tin is filled between the inner wall of the welding hole 8 and the inner conductor 10 of the radio frequency coaxial connector 4. Compared with blind hole welding, the structure can feed tin from the rear end face of the welding through hole 8, and improves the fluidity of the soldering tin through the movable radio frequency coaxial connector 4 in the welding process, so that bubbles and insufficient welding of the radio frequency coaxial connector 4 and the waveguide cavity 1 are effectively controlled.
The utility model discloses a concrete assembly method as follows:
the radio frequency coaxial connector 4 and the waveguide cavity 1 are locked by the stainless steel bolt 3, heating is carried out on a high-temperature welding table, soldering tin is added at the rear end of the welding hole 8 of the transition step of the waveguide cavity 2, after a product is cooled and welding points are checked by an X-ray machine to meet requirements, the cover plate 12 and the waveguide cavity 1 are locked by the stainless steel bolt 4, and then the assembling process can be completed.
Claims (7)
1. The utility model provides a coaxial converter of flat rectangular waveguide, includes waveguide cavity (1), and the vertical front end of waveguide cavity (1) is provided with flat rectangle mouth (5), is provided with waveguide chamber (2) in the waveguide cavity, its characterized in that:
the waveguide cavity (2) comprises a flat rectangular transition cavity (201), a rectangular transition cavity (202) and a rectangular operation cavity (203), which are sequentially communicated from the longitudinal front end to the longitudinal rear end, and the flat rectangular transition cavity (201) is communicated with a flat rectangular opening (5);
the transverse width of the flat rectangular transition cavity (201), the transverse width of the rectangular transition cavity (202) and the transverse width of the rectangular operation cavity (203) are equal; the longitudinal axis of the flat rectangular transition cavity (201), the longitudinal axis of the rectangular transition cavity (202) and the longitudinal axis of the rectangular operation cavity (203) are parallel and are in the same vertical plane; the bottom surface of the flat rectangular transition cavity (201) perpendicular to the vertical direction and the bottom surface of the rectangular transition cavity (202) perpendicular to the vertical direction are positioned in the same plane, and the top surface of the rectangular transition cavity (202) perpendicular to the vertical direction and the top surface of the rectangular operation cavity (203) perpendicular to the vertical direction are positioned in the same plane; the vertical height of the flat rectangular transition cavity (201) is smaller than that of the rectangular transition cavity (202); the vertical height of the rectangular operation cavity (203) is equal to that of the rectangular transition cavity (202);
the top of the rectangular transition cavity (202) and the top of the rectangular operation cavity (203) are arranged to be open skylight (11), and a detachable cover plate (12) is installed on the skylight (11).
2. The flat rectangular waveguide coaxial converter according to claim 1, wherein the bottom surface of the rectangular operating cavity (203) is vertically provided with a soldering socket (7), the soldering socket (7) is provided with a soldering hole (8), and the soldering hole (8) is a through hole.
3. The flat rectangular waveguide coaxial transformer according to claim 2, wherein the inner wall of the soldering hole (8) is provided with gold or silver plating.
4. The flat rectangular waveguide coaxial converter according to claim 3, wherein the bottom surface of the rectangular operating cavity (203) is provided with a strip-shaped transition step (6) along the longitudinal direction, and the transition step (6) is integrally connected with the welding seat (7).
5. The flat rectangular waveguide coaxial transformer of claim 4, wherein the cover plate (12) is detachably mounted on the louver (11) by means of stainless steel bolts (3).
6. The flat rectangular waveguide coaxial converter according to claim 5, wherein the waveguide cavity (1) is provided with an adjusting hole (9) at a rear end in the longitudinal direction, and the inner conductor (10) of the radio frequency coaxial connector passes through the adjusting hole (9) and extends into the welding hole (8).
7. The flat rectangular waveguide coaxial converter according to claim 6, wherein the radio frequency coaxial connector (4) is installed at the rear end of the waveguide cavity (1) in the longitudinal direction, and solder is filled between the inner wall of the welding hole (8) and the inner conductor (10) of the radio frequency coaxial connector (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921579974.4U CN210778917U (en) | 2019-09-20 | 2019-09-20 | Flat rectangular waveguide coaxial converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921579974.4U CN210778917U (en) | 2019-09-20 | 2019-09-20 | Flat rectangular waveguide coaxial converter |
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| Publication Number | Publication Date |
|---|---|
| CN210778917U true CN210778917U (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921579974.4U Active CN210778917U (en) | 2019-09-20 | 2019-09-20 | Flat rectangular waveguide coaxial converter |
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| CN (1) | CN210778917U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN114709582A (en) * | 2022-04-22 | 2022-07-05 | 江苏俊知技术有限公司 | Ka-waveband orthogonal waveguide coaxial converter with height reduction transition and assembling method |
-
2019
- 2019-09-20 CN CN201921579974.4U patent/CN210778917U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN114709582A (en) * | 2022-04-22 | 2022-07-05 | 江苏俊知技术有限公司 | Ka-waveband orthogonal waveguide coaxial converter with height reduction transition and assembling method |
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