CN110416665B - High-power waveguide feed source assembly - Google Patents
High-power waveguide feed source assembly Download PDFInfo
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- CN110416665B CN110416665B CN201910717907.2A CN201910717907A CN110416665B CN 110416665 B CN110416665 B CN 110416665B CN 201910717907 A CN201910717907 A CN 201910717907A CN 110416665 B CN110416665 B CN 110416665B
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- liquid cooling
- liquid
- radiating groove
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- cooling radiating
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/02—Bends; Corners; Twists
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P3/00—Waveguides; Transmission lines of the waveguide type
- H01P3/12—Hollow waveguides
- H01P3/14—Hollow waveguides flexible
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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
- H01P5/12—Coupling devices having more than two ports
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Abstract
The invention discloses a high-power bent waveguide, which comprises a bent waveguide body, wherein a liquid-cooling heat dissipation liquid inlet tank and a liquid-cooling heat dissipation liquid outlet tank for passing cooling liquid are symmetrically arranged on two sides of the bent waveguide body, and the output end of the liquid-cooling heat dissipation liquid inlet tank is communicated with the input end of the liquid-cooling heat dissipation liquid outlet tank; the curved waveguide body comprises an optical wall horn, a circular polarizer, a transition section, a curved waveguide, a coupler and a circular waveguide elbow, wherein the output end of the circular waveguide elbow is connected with the input end of the coupler, the output end of the coupler is connected with the input end of the curved waveguide, the output end of the curved waveguide is connected with the transition section, the output end of the transition section is connected with the input end of the circular polarizer, and the output end of the circular polarizer is connected with the input end of the optical wall horn. The cooling liquid is input into the liquid cooling heat dissipation liquid inlet tank from the input end of the liquid cooling heat dissipation liquid inlet tank, flows through the bent waveguide body and then flows out of the liquid cooling heat dissipation liquid outlet tank, heat dissipation of the bent waveguide is achieved, and new interference on the bent waveguide is avoided due to heat dissipation of the cooling liquid.
Description
Technical Field
The invention belongs to the technical field of radar antennas, and particularly relates to a high-power waveguide feed source assembly.
Background
In the remote sensing satellite data receiving system, a feed source is used as a primary radiator of an antenna, is the heart of the antenna, is an indispensable component, and the performance of the feed source directly influences the performance of the whole ground data receiving system. With the development of the ground observation technology and the remote sensing application requirements, the requirements on the ground data receiving system of the remote sensing satellite are higher and higher, and the wider frequency band, higher frequency, dual-frequency or multi-frequency sharing technology becomes a new technical development trend.
The feed sources are also classified into two categories according to the antenna structure: one type is a feed-forward type feed source which is suitable for a common feed-forward type parabolic antenna, and the common feed-forward type feed source is provided with a ring groove feed source and a single ring groove feed source; the other type is a feedback feed source which is suitable for matching with the Cassegrain antenna. The waveguide is part of a feed assembly.
The invention patent with the application number of CN201811522660.0 discloses a double-frequency duplex full-time single-pulse self-tracking satellite feed source which simultaneously has the functions of Ku frequency band uplink transmission, Ku frequency band downlink single-pulse self-tracking, Ka frequency band uplink transmission and Ka frequency band downlink single-pulse self-tracking on a satellite. The feed source adopts a dual-band horn (1), a Ku frequency band TE21 mode coupler (2), a Ka frequency band TE21 mode coupler (3), a six-port lantern type wave splitter (4), a Ku frequency band orthogonal mode coupler (5) and a Ka frequency band circular polarizer (6); and sequentially separating a Ku frequency band differential mode, a Ka frequency band differential mode, a Ku frequency band sum mode and a Ka frequency band sum mode, and realizing sum-difference beam synthesis by using a beam synthesis network, thereby meeting the requirement of dual-frequency and all-time single-pulse self-tracking of the antenna feeder of the satellite communication in motion. The scheme discloses that the feed source comprises a loudspeaker, a coupler and a circular polarizer. During the use of the high-power feed source, the waveguide generates a large amount of heat, and the performance of the waveguide is affected.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a high-power waveguide feed source component, wherein a liquid-cooling heat dissipation liquid inlet tank and a liquid-cooling heat dissipation liquid outlet tank for passing cooling liquid are symmetrically arranged on two sides of a waveguide, the cooling liquid is input into the liquid-cooling heat dissipation liquid inlet tank from the input end of the liquid-cooling heat dissipation liquid inlet tank, flows through a bent waveguide body and then flows out of the liquid-cooling heat dissipation liquid outlet tank, the heat dissipation of the bent waveguide is realized, the heat dissipation of the cooling liquid is realized, and no new interference is brought to the bent waveguide.
In order to achieve the above purpose, the solution adopted by the invention is as follows: the high-power waveguide feed source assembly comprises a bent waveguide body, wherein a liquid-cooling heat dissipation liquid inlet groove and a liquid-cooling heat dissipation liquid outlet groove for passing cooling liquid are symmetrically arranged on two sides of the bent waveguide body, and the output end of the liquid-cooling heat dissipation liquid inlet groove is communicated with the input end of the liquid-cooling heat dissipation liquid outlet groove; the curved waveguide body comprises an optical wall horn, a circular polarizer, a transition section, a curved waveguide, a coupler and a circular waveguide elbow, wherein the output end of the circular waveguide elbow is connected with the input end of the coupler, the output end of the coupler is connected with the input end of the curved waveguide, the output end of the curved waveguide is connected with the transition section, the output end of the transition section is connected with the input end of the circular polarizer, and the output end of the circular polarizer is connected with the input end of the optical wall horn;
the liquid cooling heat dissipation liquid inlet tank comprises a first liquid cooling heat dissipation tank fixedly connected to the circular waveguide elbow, a second liquid cooling heat dissipation tank fixedly connected to the coupler, a third liquid cooling heat dissipation tank fixedly connected to the bent waveguide, a fourth liquid cooling heat dissipation tank fixedly connected to the transition section, a fifth liquid cooling heat dissipation tank fixedly connected to the circular polarizer and a sixth liquid cooling heat dissipation tank fixedly connected to the optical wall horn, wherein the liquid cooling heat dissipation liquid outlet tank comprises a seventh liquid cooling heat dissipation tank fixedly connected to the optical wall horn, an eighth liquid cooling heat dissipation tank fixedly connected to the circular polarizer, a ninth liquid cooling heat dissipation tank fixedly connected to the transition section, a tenth liquid cooling heat dissipation tank fixedly connected to the bent waveguide, an eleventh liquid cooling heat dissipation tank fixedly connected to the liquid cooling coupler and a twelfth liquid cooling heat dissipation tank fixedly connected to the circular waveguide elbow which are sequentially conducted, and the output end of the sixth liquid cooling radiating groove is communicated with the input end of the seventh liquid cooling radiating groove.
The liquid cooling heat sink comprises a first liquid cooling heat sink, a second liquid cooling heat sink, a third liquid cooling heat sink, a fourth liquid cooling heat sink, a fifth liquid cooling heat sink, an eighth liquid cooling heat sink, a ninth liquid cooling heat sink, a tenth liquid cooling heat sink, an eleventh liquid cooling heat sink and a twelfth liquid cooling heat sink, wherein cold liquid joints used for connecting a liquid inlet pipe or a liquid outlet pipe are fixedly arranged at two ends of the first liquid cooling heat sink, the second liquid cooling heat sink, the ninth liquid cooling heat sink, the tenth liquid cooling heat sink, the eleventh liquid cooling heat sink and the twelfth liquid cooling heat sink, the liquid cooling joints are fixedly arranged at the connecting ends of the sixth liquid cooling heat sink and the fifth liquid cooling heat sink, the liquid cooling joints are fixedly arranged at the connecting ends of the seventh liquid cooling heat sink and the eighth liquid cooling heat sink, and the sixth liquid cooling heat sink and the seventh liquid cooling heat sink are communicated through cold liquid passages arranged between the sixth liquid cooling heat sink and the seventh liquid cooling heat sink.
The first liquid cooling radiating groove, the second liquid cooling radiating groove, the third liquid cooling radiating groove, the fourth liquid cooling radiating groove, the fifth liquid cooling radiating groove, the sixth liquid cooling radiating groove, the seventh liquid cooling radiating groove, the eighth liquid cooling radiating groove, the ninth liquid cooling radiating groove, the tenth liquid cooling radiating groove, the eleventh liquid cooling radiating groove and the twelfth liquid cooling radiating groove are the same in structure and all comprise side walls, cover plates and cold liquid cavities, the side walls are fixedly connected to the outer wall of the bent waveguide body, and the cover plates are fixedly connected to the side walls to form the cold liquid cavities for the cooling liquid to pass through.
The first liquid cooling radiating groove, the second liquid cooling radiating groove, the third liquid cooling radiating groove, the fourth liquid cooling radiating groove, the fifth liquid cooling radiating groove, the sixth liquid cooling radiating groove, the seventh liquid cooling radiating groove, the eighth liquid cooling radiating groove, the ninth liquid cooling radiating groove, the tenth liquid cooling radiating groove and the twelfth liquid cooling radiating groove are identical in structure and comprise side walls, cover plates and cold liquid cavities, the side walls are fixedly connected to the outer wall of the bent waveguide body, the cover plates are fixedly connected to the side walls and form the cold liquid cavities for the cooling liquid to pass through with the side walls, and the eleventh liquid cooling radiating groove comprises the groove wall integrally formed with the bent waveguide body and the cold liquid cavities between the groove walls.
The side wall and the bent waveguide are integrally formed, and the cover plate is fixedly connected to the side wall through a screw; and a sealing ring is fixed between the side wall and the cover plate.
The optical wall horn comprises an input waveguide section, a continuous reducing section and a horn mouth surface, a sixth liquid cooling heat radiating tank comprises a first liquid cooling tank fixedly connected to the input waveguide section and a second liquid cooling tank fixedly connected to the continuous reducing section, a seventh liquid cooling heat radiating tank comprises a third liquid cooling tank fixedly connected to the continuous reducing section and a fourth liquid cooling tank fixedly connected to the input waveguide section, the first liquid cooling tank and the second liquid cooling tank are communicated through a liquid cooling joint connecting pipeline, the second liquid cooling tank and the third liquid cooling tank are communicated through a liquid cooling passage arranged between the second liquid cooling tank and the third liquid cooling tank, and the third liquid cooling tank and the fourth liquid cooling tank are communicated through a liquid cooling joint connecting pipeline;
the circular polarizer comprises a first structural member and a second structural member which is rotationally symmetrical with the first structural member around the axis of the circular polarizer, the first structural member is fixedly connected with the second structural member, so that a circular polarization channel is formed between the first structural member and the second structural member, a fifth liquid cooling radiating groove is fixedly arranged on the first structural member, an eighth liquid cooling radiating groove is fixedly arranged on the second structural member, and the fifth liquid cooling radiating groove and the eighth liquid cooling radiating groove are rotationally symmetrical around the axis of the circular polarizer;
the bent waveguide comprises a fifth structural member and a sixth structural member which is locked with the fifth structural member to form a waveguide channel, the third liquid cooling radiating groove is fixedly arranged on the fifth structural member, the tenth liquid cooling radiating groove is fixedly arranged on the sixth structural member, and the third liquid cooling radiating groove and the tenth liquid cooling radiating groove are symmetrical along the contact surface of the fifth structural member and the sixth structural member;
the transition section comprises a third structural member and a fourth structural member which is locked with the third structural member to form a transition channel, the fourth liquid-cooled radiating groove is fixedly arranged on the third structural member, the ninth liquid-cooled radiating groove is fixedly arranged on the fourth structural member, and the fourth liquid-cooled radiating groove and the ninth liquid-cooled radiating groove are symmetrical along the contact surface of the third structural member and the fourth structural member;
the coupler comprises a seventh structural member and an eighth structural member which is locked with the seventh structural member to form a main channel, a coupling plate is fixedly connected to the eighth structural member, a coupling channel is formed between the coupling plate and the eighth structural member, the second liquid cooling radiating groove is fixed on the axial centerline of the outer wall of the seventh structural member, the eleventh liquid cooling radiating groove is fixed on one side of the axial centerline of the outer wall of the eighth structural member, and the coupling plate is fixed on the other side of the axial centerline of the outer wall of the eighth structural member;
the circular waveguide elbow comprises a ninth structural member and a tenth structural member which is locked with the ninth structural member to form a waveguide channel, the first liquid cooling radiating groove is fixed on the outer wall of the ninth structural member, the twelfth liquid cooling radiating groove is fixed on the outer wall of the tenth structural member, and the first liquid cooling radiating groove and the twelfth liquid cooling radiating groove are symmetrical along the contact surface of the ninth structural member and the tenth structural member.
The input end of the waveguide elbow is also symmetrically provided with ignition detection interfaces, and the ignition detection interfaces are symmetrically arranged on the contact surface of the first structural member and the second structural member.
The optical wall horn, the circular polarizer, the transition section, the bent waveguide, the coupler and the circular waveguide elbow are fixedly connected through flanges.
One end of the coupling channel is fixedly connected with a coupling port for accessing a coupling signal.
And the flange is provided with a male spigot and a female spigot for positioning.
The invention has the beneficial effects that:
(1) the liquid cooling heat dissipation liquid inlet groove and the liquid cooling heat dissipation liquid outlet groove are symmetrically arranged on two sides of the waveguide, cooling liquid is input into the liquid cooling heat dissipation liquid inlet groove from the input end of the liquid cooling heat dissipation liquid inlet groove and flows out of the liquid cooling heat dissipation liquid outlet groove after flowing through the bent waveguide body, heat dissipation of the bent waveguide is achieved, and new interference on the bent waveguide is avoided due to heat dissipation of the cooling liquid.
(2) The curved waveguide body comprises an optical wall horn, a circular polarizer, a transition section, a curved waveguide, a coupler and a circular waveguide elbow which are connected through flanges, the assembly is convenient and fast, and the production and the transportation are convenient due to the independent structural parts.
(3) The liquid cooling heat dissipation liquid inlet tank and the liquid cooling heat dissipation liquid outlet tank are integrally formed with the bent waveguide body, namely, the cooling liquid is directly contacted with the waveguide, the heat dissipation is quicker, the heat dissipation performance is better, the liquid cooling heat dissipation is adopted, the cooling liquid can be recycled, and the energy consumption is not increased.
(4) The cold liquid cavity is sealed by adopting a mode of fastening the cover plate by the sealing ring and the screw, so that the phenomena of water seepage and water leakage are effectively prevented.
Drawings
FIG. 1 is a perspective view of a curved waveguide according to the present invention;
FIG. 2 is a front view of a curved waveguide of the present invention;
FIG. 3 is a right side view of a curved waveguide of the present invention;
FIG. 4 is a schematic cross-sectional view of a curved waveguide A-A of the present invention;
FIG. 5 is a schematic front view of a light wall speaker according to the present invention;
FIG. 6 is a schematic top view of a light wall horn in accordance with the present invention;
FIG. 7 is a schematic cross-sectional view of a light wall horn B-B of the present invention;
FIG. 8 is a schematic cross-sectional view of a light wall horn C-C of the present invention;
FIG. 9 is a schematic cross-sectional view of a smooth-walled horn D-D of the present invention;
FIG. 10 is a front view of the circular polarizer of the present invention;
FIG. 11 is a top view of the circular polarizer of the present invention;
FIG. 12 is a schematic cross-sectional view of a circular polarizer E-E according to the present invention;
FIG. 13 is a schematic cross-sectional view of a circular polarizer F-F according to the present invention;
FIG. 14 is a front view of a curved waveguide of the present invention;
FIG. 15 is a top view of a curved waveguide according to the present invention;
FIG. 16 is a schematic cross-sectional view of a curved waveguide G-G of the present invention;
FIG. 17 is a schematic cross-sectional view of a curved waveguide H-H of the present invention;
FIG. 18 is a schematic cross-sectional view of a curved waveguide I-I of the present invention;
FIG. 19 is a front view of the coupler of the present invention;
FIG. 20 is a top view of the coupler of the present invention;
FIG. 21 is a bottom view of the coupler of the present invention;
FIG. 22 is a left side view of the coupler of the present invention;
FIG. 23 is a schematic cross-sectional view of a coupler J-J of the present invention;
FIG. 24 is a schematic cross-sectional view of a coupler K-K of the present invention;
FIG. 25 is a perspective view of a circular waveguide elbow of the present invention;
figure 26 is a front view of a circular waveguide elbow of the present invention;
FIG. 27 is a top view of a circular waveguide elbow in accordance with the present invention;
FIG. 28 is a right side view of a circular waveguide elbow of the present invention;
FIG. 29 is a schematic cross-sectional view of a circular waveguide elbow L-L of the present invention;
FIG. 30 is a schematic cross-sectional view of a circular waveguide elbow M-M of the present invention;
in the figure, 01-liquid cooling heat dissipation liquid inlet tank, 011-first liquid cooling heat dissipation tank, 012-second liquid cooling heat dissipation tank, 013-third liquid cooling heat dissipation tank, 014-fourth liquid cooling heat dissipation tank, 015-fifth liquid cooling heat dissipation tank, 016-sixth liquid cooling heat dissipation tank, 0161-second liquid cooling tank, 0162-first liquid cooling tank, 02-liquid cooling heat dissipation liquid outlet tank, 021-twelfth liquid cooling heat dissipation tank, 022-eleventh liquid cooling heat dissipation tank, 023-tenth liquid cooling heat dissipation tank, 024-ninth liquid cooling heat dissipation tank, 025-eighth liquid cooling heat dissipation tank, 026-seventh liquid cooling heat dissipation tank, 0261-third liquid cooling tank, 0262-fourth liquid cooling tank, 03-optical wall horn, 031-horn mouth, 032-continuous reducer, 033-input waveguide section, 034-cold liquid channel, 04-circular polarizer, 041-first structural member, 042-second structural member, 043-circular polarization channel, 05-transition section, 051-third structural member, 052-fourth structural member, 053-transition channel, 06-curved waveguide, 061-fifth structural member, 062-sixth structural member, 063-waveguide channel, 07-coupler, 071-seventh structural member, 072-coupling port, 073-eighth structural member, 074-coupling channel, 075-main channel, 076-coupling plate, 08-circular waveguide elbow, 081-ninth structural member, 082-firing detection interface, 083-curved waveguide channel, 084-tenth structural member, 09-flange, 10-cover plate, 11-side wall, 12-sealing ring, 13-groove wall, 14-cold liquid joint, 15-hose and 16-cold liquid cavity.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1-4, the high-power waveguide feed source assembly includes a curved waveguide body, a liquid-cooled heat dissipation liquid inlet tank 01 and a liquid-cooled heat dissipation liquid outlet tank 02 for passing cooling liquid are symmetrically disposed on two sides of the curved waveguide body, and an output end of the liquid-cooled heat dissipation liquid inlet tank 01 is communicated with an input end of the liquid-cooled heat dissipation liquid outlet tank 02; the curved waveguide body comprises an optical wall horn 03, a circular polarizer 04, a transition section 05, a curved waveguide 06, a coupler 07 and a circular waveguide elbow 08, wherein the output end of the circular waveguide elbow 08 is connected with the input end of the coupler 07, the output end of the coupler 07 is connected with the input end of the curved waveguide 06, the output end of the curved waveguide 06 is connected with the transition section 05, the output end of the transition section 05 is connected with the input end of the circular polarizer 04, and the output end of the circular polarizer 04 is connected with the input end of the optical wall horn 03;
the liquid cooling heat dissipation liquid inlet tank 01 comprises a first liquid cooling heat sink 011 fixedly connected to a circular waveguide elbow 08, a second liquid cooling heat sink 012 fixedly connected to a coupler 07, a third liquid cooling heat sink 013 fixedly connected to a bent waveguide 06, a fourth liquid cooling heat sink 014 fixedly connected to a transition section 05, a fifth liquid cooling heat sink 015 fixedly connected to a circular polarizer 04 and a sixth liquid cooling heat sink 016 fixedly connected to a light wall speaker 03, wherein the liquid cooling heat dissipation liquid outlet tank 02 comprises a seventh liquid cooling heat sink 026 fixedly connected to the light wall speaker 03, an eighth liquid cooling heat sink 025 fixedly connected to the circular polarizer 04, a ninth liquid cooling heat sink 024 fixedly connected to the transition section 05, a tenth liquid cooling heat sink 023 fixedly connected to the bent waveguide 06, and an eleventh liquid cooling heat sink 022 fixedly connected to the coupler 07, And the twelfth liquid-cooled heat sink 021 is fixedly connected to the circular waveguide elbow 08, and the output end of the sixth liquid-cooled heat sink 016 is communicated with the input end of the seventh liquid-cooled heat sink 026. The cooling liquid is input into the liquid cooling heat dissipation liquid inlet tank 01 from the input end of the liquid cooling heat dissipation liquid inlet tank 01, flows through the bent waveguide body and then flows out of the liquid cooling heat dissipation liquid outlet tank 02, so that heat dissipation of the bent waveguide is realized, and new interference on the bent waveguide is avoided due to heat dissipation of the cooling liquid.
First liquid cooling radiating groove 011, second liquid cooling radiating groove 012, third liquid cooling radiating groove 013, fourth liquid cooling radiating groove 014, fifth liquid cooling radiating groove 015, eighth liquid cooling radiating groove 025, ninth liquid cooling radiating groove 024, tenth liquid cooling radiating groove 023, eleventh liquid cooling radiating groove 022, the equal fixed mounting in both ends of twelfth liquid cooling radiating groove 021 has the cold liquid joint 14 that is used for connecting feed liquor pipe or drain pipe, sixth liquid cooling radiating groove 016 and fifth liquid cooling radiating groove 015 link fixed mounting have liquid cooling joint, seventh liquid cooling radiating groove 026 and eighth liquid cooling radiating groove 025 connected end fixed mounting have liquid cooling joint, sixth liquid cooling radiating groove 016 and seventh liquid cooling radiating groove 026 through seting up the cold liquid passageway 034 intercommunication between sixth liquid cooling radiating groove 016 and seventh liquid cooling.
As shown in fig. 5-9, the optical wall horn 03 includes an input waveguide segment 033, a continuous reducing segment 032, and a horn mouth face 031, the sixth liquid-cooled heat sink 016 includes a first liquid-cooled liquid tank 0162 fixedly connected to the input waveguide segment 033 and a second liquid-cooled liquid tank 0161 fixedly connected to the continuous reducing segment 032, the seventh liquid-cooled heat sink 026 includes a third liquid-cooled liquid tank 0261 fixedly connected to the continuous reducing segment 032 and a fourth liquid-cooled liquid tank 0262 fixedly connected to the input waveguide segment 033, the first liquid-cooled liquid tank 0162 is communicated with the second liquid-cooled liquid tank 0161 through a liquid-cooled joint connecting pipe, the second liquid-cooled liquid tank 0161 is communicated with the third liquid-cooled liquid tank 0261 through a liquid-cooled passage 026034 opened between the second liquid-cooled liquid tank 0161 and the third liquid-cooled liquid tank 0261, and the third liquid-cooled liquid tank 0261 is communicated through a liquid-cooled joint connecting pipe 0262. The input waveguide segment 033, the continuous reducer segment 032, and the bell mouth face 031 are connected by a flange 09, and the flange 09 is locked by screws.
As shown in fig. 10 to 13, the circular polarizer 04 includes a first structural member 041 and a second structural member 042 rotationally symmetric to the first structural member 041 around the axis of the circular polarizer 04, the first structural member 041 is fastened to the second structural member 042, so that a circular polarization channel 043 is formed between the first structural member 041 and the second structural member 042, a fifth liquid-cooled heat sink 015 is fixedly disposed on the first structural member 041, an eighth liquid-cooled heat sink 025 is fixedly disposed on the second structural member 042, and the fifth liquid-cooled heat sink 015 and the eighth liquid-cooled heat sink 025 are rotationally symmetric around the axis of the circular polarizer 04. The first structural member 041 and the second structural member 042 of the circular polarizer 04 are fixed by pins and locked by screws when being installed.
As shown in fig. 14 to 18, the curved waveguide 06 includes a fifth structural member 061 and a sixth structural member 062 locked with the fifth structural member 061 to form a waveguide channel 063, the third liquid-cooled heat sink 013 is fixedly disposed on the fifth structural member 061, the tenth liquid-cooled heat sink 023 is fixed on the sixth structural member 062, and the third liquid-cooled heat sink 013 and the tenth liquid-cooled heat sink 023 are symmetrical along the contact surface between the fifth structural member 061 and the sixth structural member 062; the changeover portion 05 include third knot component 051 and form transition channel 053's fourth structure 052 with third knot component 051 locking, fourth liquid cooling radiating groove 014 fixed the setting be in third knot component 051 on, ninth liquid cooling radiating groove 024 fix fourth structure 052 on, fourth liquid cooling radiating groove 014 and ninth liquid cooling radiating groove 024 along the contact surface symmetry of third knot component 051 with fourth structure 052. The third structural member 051 and the fourth structural member 052 of the transition section 05 are positioned by adopting pins and locked by adopting screws, and the fifth structural member 061 and the sixth structural member 062 of the bent waveguide 06 are positioned by adopting pins and locked by adopting screws.
As shown in fig. 19 to 24, the coupler 07 includes a seventh structural member 071 and an eighth structural member 073 locked with the seventh structural member 071 to form a main channel 075, a coupling plate 076 is fixedly connected to the eighth structural member 073, a coupling channel 074 is formed between the coupling plate 076 and the eighth structural member 073, the second liquid-cooled heat sink 012 is fixed to an axial centerline of an outer wall of the seventh structural member 071, the eleventh liquid-cooled heat sink 022 is fixed to one side of the axial centerline of the outer wall of the eighth structural member 073, and the coupling plate 076 is fixed to the other side of the axial centerline of the outer wall of the eighth structural member 073. The seventh structure 071 and the eighth structure 073 of the coupler 07 are positioned by pins and locked by screws.
As shown in fig. 25-30, the circular waveguide elbow 08 includes a ninth structural member 081 and a tenth structural member 084 locked with the ninth structural member 081 to form a curved waveguide channel 083, the first liquid-cooled heat sink 011 is fixed on the outer wall of the ninth structural member 081, the twelfth liquid-cooled heat sink 021 is fixed on the outer wall of the tenth structural member 084, and the first liquid-cooled heat sink 011 and the twelfth liquid-cooled heat sink 021 are symmetrical along the contact surface of the ninth structural member 081 and the tenth structural member 084. The ninth structural member 081 and the tenth structural member 084 of the circular waveguide elbow 08 are positioned by pins and locked by screws when being installed.
Example one
In an embodiment of the present invention, the first liquid-cooled heat sink 011, the second liquid-cooled heat sink 012, the third liquid-cooled heat sink 013, the fourth liquid-cooled heat sink 014, the fifth liquid-cooled heat sink 015, the sixth liquid-cooled heat sink 016, the seventh liquid-cooled heat sink 026, the eighth liquid-cooled heat sink 025, the ninth liquid-cooled heat sink 024, the tenth liquid-cooled heat sink 023, the eleventh liquid-cooled heat sink 022, and the twelfth liquid-cooled heat sink 021 are all the same in structure and each of them includes a sidewall 11, a cover plate 10, and a cold liquid cavity 16, the sidewall 11 is fixedly connected to the outer wall of the curved waveguide body, and the cover plate 10 is fixedly connected to the sidewall 11 to form the cold liquid cavity 16 for the cooling liquid to pass through with the sidewall 11. The side wall 11 and the bent waveguide are integrally formed, and the cover plate 10 is fixedly connected to the side wall 11 through screws; and a sealing ring 12 is fixed between the side wall 11 and the cover plate 10. When the cover plate 10 is fastened and sealed, the sealing ring 12 is smeared with silicon rubber, and then the cover plate 10 is fastened by screws, so that water seepage, water leakage and other phenomena can be effectively prevented.
Example two
In another embodiment of the present invention, in order to ensure heat dissipation of the coupler 07 and proper placement of the coupling channels 074, the first liquid-cooled heat sink 011, the second liquid-cooled heat sink 012, the third liquid-cooled heat sink 013, the fourth liquid-cooled heat sink 014, the fifth liquid-cooled heat sink 015, the sixth liquid-cooled heat sink 016, the seventh liquid-cooled heat sink 026, the eighth liquid-cooled heat sink 025, the ninth liquid-cooled heat sink 024, the tenth liquid-cooled heat sink 023 and the twelfth liquid-cooled heat sink 021 have the same structure and respectively comprise a side wall 11, a cover plate 10 and a cold liquid cavity 16, the side wall 11 is fixedly connected on the outer wall of the bent waveguide body, the cover plate 10 is fixedly connected on the side wall 11, and a cold liquid cavity 16 for the cooling liquid to pass through is formed with the side wall 11, and the eleventh liquid-cooled heat sink 022 comprises groove walls 13 integrally formed with the curved waveguide body, and the cold liquid cavity 16 between the groove walls 13. The side wall 11 and the bent waveguide are integrally formed, and the cover plate 10 is fixedly connected to the side wall 11 through screws; and a sealing ring 12 is fixed between the side wall 11 and the cover plate 10.
Ignition detection interfaces 082 are symmetrically arranged at the input end of the waveguide elbow, and the ignition detection interfaces 082 are symmetrically arranged on the contact surface of the first structural component 041 and the second structural component 042.
The optical wall horn 03, the circular polarizer 04, the transition section 05, the bent waveguide 06, the coupler 07 and the circular waveguide elbow 08 are fixedly connected through a flange 09.
One end of the coupling channel 074 is fixedly connected with a coupling port 072 for accessing a coupling signal.
And the flange 09 is provided with male and female spigots for positioning, and the male and female spigots are used for positioning the flange 09.
The circular waveguide elbow 08 is formed with a mounting plate for mounting the supporting column, the mounting plate is provided with a groove for butting the supporting column, the mounting plate is formed on the inner arc surface of the waveguide elbow, and the bottom end of the supporting column and the input end of the circular waveguide elbow 08 are used as two fulcrums of the circular waveguide elbow 08 after the upper supporting column is fixedly mounted at the lower end of the mounting plate.
The liquid inlet pipe and the liquid outlet pipe adopt silicon rubber hoses 15, so that the weight is light and the performance is good.
When the bent waveguide is used, pins are used for positioning and screws are used for fixing, each structural part forms different waveguide communication sections, then each waveguide communication section is assembled through flanges 09 and screws, each section of the liquid cooling heat dissipation liquid inlet tank 01 and each section of the liquid cooling heat dissipation liquid outlet tank 02 are connected through a hose 15 and a cold liquid joint 14, then cooling liquid is introduced from an inlet of the liquid cooling heat dissipation liquid inlet tank 01, and after flowing through the whole bent waveguide, the cooling liquid flows out from an outlet end of the liquid cooling heat dissipation liquid outlet tank 02, so that heat dissipation of the bent waveguide is realized.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (10)
1. A high power waveguide feed assembly characterized by: the liquid cooling heat dissipation waveguide comprises a bent waveguide body, wherein a liquid cooling heat dissipation liquid inlet tank (01) and a liquid cooling heat dissipation liquid outlet tank (02) for allowing cooling liquid to pass through are symmetrically arranged on two sides of the bent waveguide body, and the output end of the liquid cooling heat dissipation liquid inlet tank (01) is communicated with the input end of the liquid cooling heat dissipation liquid outlet tank (02); the curved waveguide body comprises an optical wall horn (03), a circular polarizer (04), a transition section (05), a curved waveguide (06), a coupler (07) and a circular waveguide elbow (08), wherein the output end of the circular waveguide elbow (08) is connected with the input end of the coupler (07), the output end of the coupler (07) is connected with the input end of the curved waveguide (06), the output end of the curved waveguide (06) is connected with the transition section (05), the output end of the transition section (05) is connected with the input end of the circular polarizer (04), and the output end of the circular polarizer (04) is connected with the input end of the optical wall horn (03);
liquid cooling heat dissipation feed liquor groove (01) including first liquid cooling radiating groove (011) of fixed connection on circular waveguide elbow (08) that switch on in proper order, second liquid cooling radiating groove (012) on coupler (07), third liquid cooling radiating groove (013) on curved waveguide (06) of fixed connection, fourth liquid cooling radiating groove (014) on changeover portion (05) of fixed connection, fifth liquid cooling radiating groove (015) on fixed connection circular polarizer (04) and sixth liquid cooling radiating groove (016) of fixed connection on light wall loudspeaker (03), liquid cooling heat dissipation liquid outlet tank (02) including seventh liquid cooling radiating groove (026) of fixed connection on light wall loudspeaker (03) that switch on in proper order, eighth liquid cooling radiating groove (025) of fixed connection on circular polarizer (04), ninth liquid cooling radiating groove (024) of fixed connection on changeover portion (05), The liquid cooling heat sink comprises a tenth liquid cooling heat sink (023) fixedly connected to the bent waveguide (06), an eleventh liquid cooling heat sink (022) fixedly connected to the coupler (07), a twelfth liquid cooling heat sink (021) fixedly connected to the circular waveguide elbow (08), and an output end of the sixth liquid cooling heat sink (016) is communicated with an input end of a seventh liquid cooling heat sink (026).
2. The high power waveguide feed assembly of claim 1, wherein: the two ends of the first liquid cooling radiating groove (011), the second liquid cooling radiating groove (012), the third liquid cooling radiating groove (013), the fourth liquid cooling radiating groove (014), the fifth liquid cooling radiating groove (015), the eighth liquid cooling radiating groove (025), the ninth liquid cooling radiating groove (024), the tenth liquid cooling radiating groove (023), the eleventh liquid cooling radiating groove (022) and the twelfth liquid cooling radiating groove (021) are fixedly provided with a cold liquid joint (14) for connecting a liquid inlet pipe or a liquid outlet pipe, a liquid cooling joint is fixedly arranged at the connecting end of the sixth liquid cooling radiating groove (016) and the fifth liquid cooling radiating groove (015), and a liquid cooling joint is fixedly installed at the connecting end of the seventh liquid cooling radiating groove (026) and the eighth liquid cooling radiating groove (025), and the sixth liquid cooling radiating groove (016) is communicated with the seventh liquid cooling radiating groove (026) through a liquid cooling channel (034) arranged between the sixth liquid cooling radiating groove (016) and the seventh liquid cooling radiating groove.
3. The high power waveguide feed assembly of claim 2, wherein: first liquid cooling radiating groove (011), second liquid cooling radiating groove (012), third liquid cooling radiating groove (013), fourth liquid cooling radiating groove (014), fifth liquid cooling radiating groove (015), sixth liquid cooling radiating groove (016), seventh liquid cooling radiating groove (026), eighth liquid cooling radiating groove (025), ninth liquid cooling radiating groove (024), tenth liquid cooling radiating groove (023), eleventh liquid cooling radiating groove (022) and twelfth liquid cooling radiating groove (021) the structure the same, all include lateral wall (11), apron (10) and cold liquid chamber (16), lateral wall (11) fixed connection on the outer wall of curved waveguide body, apron (10) fastening connection form cold liquid chamber (16) that the coolant liquid passes through with lateral wall (11) on lateral wall (11).
4. The high power waveguide feed assembly of claim 2, wherein: the first liquid cooling radiating groove (011), the second liquid cooling radiating groove (012), the third liquid cooling radiating groove (013), the fourth liquid cooling radiating groove (014), the fifth liquid cooling radiating groove (015), the sixth liquid cooling radiating groove (016), the seventh liquid cooling radiating groove (026), the eighth liquid cooling radiating groove (025), the ninth liquid cooling radiating groove (024), the tenth liquid cooling radiating groove (023) and the twelfth liquid cooling radiating groove (021) have the same structure and respectively comprise a side wall (11), a cover plate (10) and a cold liquid cavity (16), the side wall (11) is fixedly connected on the outer wall of the bent waveguide body, the cover plate (10) is fixedly connected on the side wall (11), and a cold liquid cavity (16) for cooling liquid to pass through is formed by the first liquid cooling heat sink (022) and the side wall (11), and the eleventh liquid cooling heat sink (022) comprises groove walls (13) which are integrally formed with the bent waveguide body, and the cold liquid cavity (16) between the groove walls (13).
5. The high power waveguide feed assembly of claim 3 or 4, wherein: the side wall (11) and the bent waveguide are integrally formed, and the cover plate (10) is fixedly connected to the side wall (11) through screws; and a sealing ring (12) is fixed between the side wall (11) and the cover plate (10).
6. The high power waveguide feed assembly of claim 1, wherein: the optical wall horn (03) comprises an input waveguide segment (033), the continuous reducing section (032) and the bell mouth face (031), the sixth liquid cooling heat sink (016) comprises a first liquid cooling tank (0162) fixedly connected to the input waveguide section (033) and a second liquid cooling tank (0161) fixedly connected to the continuous reducing section (032), the seventh liquid cooling heat sink (026) comprises a third liquid cooling tank (0261) fixedly connected to the continuous reducing section (032) and a fourth liquid cooling tank (0262) fixedly connected to the input waveguide section (033), the first liquid cooling tank (0162) and the second liquid cooling tank (0161) are communicated through a liquid cooling joint connecting pipeline, the second liquid cooling tank (0161) and the third liquid cooling tank (0261) are communicated through a liquid cooling channel (026034) arranged between the second liquid cooling tank (0161) and the third liquid cooling tank (0261), and the third liquid cooling tank (0261) and the fourth liquid cooling tank (0262) are communicated through a liquid cooling joint connecting pipeline;
the circular polarizer (04) comprises a first structural component (041) and a second structural component (042) which is rotationally symmetric with the first structural component (041) around the axis of the circular polarizer (04), the first structural component (041) is fixedly connected with the second structural component (042) so that a circular polarization channel (043) is formed between the first structural component (041) and the second structural component (042), a fifth liquid cooling heat dissipation groove (015) is fixedly arranged on the first structural component (041), an eighth liquid cooling heat dissipation groove (025) is fixedly arranged on the second structural component (042), and the fifth liquid cooling heat dissipation groove (015) and the eighth liquid cooling heat dissipation groove (025) are rotationally symmetric around the axis of the circular polarizer (04);
the bent waveguide (06) comprises a fifth structural member (061) and a sixth structural member (062) which is locked with the fifth structural member (061) to form a waveguide channel (063), the third liquid cooling heat sink (013) is fixedly arranged on the fifth structural member (061), the tenth liquid cooling heat sink (023) is fixedly arranged on the sixth structural member (062), and the third liquid cooling heat sink (013) and the tenth liquid cooling heat sink (023) are symmetrical along the contact surface of the fifth structural member (061) and the sixth structural member (062);
the transition section (05) comprises a third structural member (051) and a fourth structural member (052) which is locked with the third structural member (051) to form a transition channel (053), a fourth liquid cooling radiating groove (014) is fixedly arranged on the third structural member (051), a ninth liquid cooling radiating groove (024) is fixed on the fourth structural member (052), and the fourth liquid cooling radiating groove (014) and the ninth liquid cooling radiating groove (024) are symmetrical along the contact surface of the third structural member (051) and the fourth structural member (052);
the coupler (07) comprises a seventh structural part (071) and an eighth structural part (073) which is locked with the seventh structural part (071) to form a main channel (075), a coupling plate (076) is fixedly connected to the eighth structural part (073), a coupling channel (074) is formed between the coupling plate (076) and the eighth structural part (073), the second liquid cooling heat dissipation groove (012) is fixed on an axial centerline of an outer wall of the seventh structural part (071), the eleventh liquid cooling heat dissipation groove (022) is fixed on one side of the axial centerline of the outer wall of the eighth structural part (073), and the coupling plate (076) is fixed on the other side of the axial centerline of the outer wall of the eighth structural part (073);
circular waveguide elbow (08) include ninth structure spare (081) and with ninth structure spare (081) locking form tenth structure spare (084) of bent waveguide passageway (083), first liquid cooling radiating groove (011) fix the outer wall of ninth structure spare (081) on, twelfth liquid cooling radiating groove (021) fix the outer wall of tenth structure spare (084) on, first liquid cooling radiating groove (011) and twelfth liquid cooling radiating groove (021) along ninth structure spare (081) with the contact surface symmetry of tenth structure spare (084).
7. The high power waveguide feed assembly of claim 6, wherein: the input end of the waveguide elbow is further symmetrically provided with ignition detection interfaces (082), and the ignition detection interfaces (082) are symmetrically arranged on the contact surface of the first structural component (041) and the second structural component (042).
8. The high power waveguide feed assembly of claim 6, wherein: the optical wall horn (03), the circular polarizer (04), the transition section (05), the bent waveguide (06), the coupler (07) and the circular waveguide elbow (08) are fixedly connected through a flange (09).
9. The high power waveguide feed assembly of claim 6, wherein: one end of the coupling channel (074) is fixedly connected with a coupling port (072) for accessing a coupling signal.
10. The high power waveguide feed assembly of claim 8, wherein: the flange (09) is provided with male and female rabbets for positioning.
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| CN201910717907.2A CN110416665B (en) | 2019-08-05 | 2019-08-05 | High-power waveguide feed source assembly |
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| CN110416665B true CN110416665B (en) | 2021-07-27 |
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| JPH03253104A (en) * | 1990-03-02 | 1991-11-12 | Nippon Hoso Kyokai <Nhk> | Circularly polarized wave feeding circuit |
| CN102800993B (en) * | 2012-07-20 | 2014-11-19 | 西安空间无线电技术研究所 | Dual-band wave beam equalization side-fed offset cassegrain antenna and realization method thereof |
| CN203103472U (en) * | 2013-03-11 | 2013-07-31 | 陕西维萨特科技发展有限公司 | Circular-polarization C-frequency-range two-port duplexer |
| CN105932373B (en) * | 2016-05-25 | 2019-06-21 | 电子科技大学 | A kind of controllable high-power mould microwave elbow excessively of polarization |
| CN107516751A (en) * | 2017-08-30 | 2017-12-26 | 电子科技大学 | A kind of broadband high-power millimeter wave TE0,1 mould overmoded waveguide elbows |
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