CN220042286U - Dual-frenquency is in moving and is led to antenna - Google Patents
Dual-frenquency is in moving and is led to antenna Download PDFInfo
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- CN220042286U CN220042286U CN202320902062.6U CN202320902062U CN220042286U CN 220042286 U CN220042286 U CN 220042286U CN 202320902062 U CN202320902062 U CN 202320902062U CN 220042286 U CN220042286 U CN 220042286U
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- 238000004891 communication Methods 0.000 claims abstract description 17
- 230000010287 polarization Effects 0.000 claims description 26
- 230000017525 heat dissipation Effects 0.000 claims description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 16
- 229910052802 copper Inorganic materials 0.000 claims description 16
- 239000010949 copper Substances 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 7
- 239000000956 alloy Substances 0.000 claims description 5
- 230000033001 locomotion Effects 0.000 claims description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000005452 bending Methods 0.000 abstract description 4
- 230000008054 signal transmission Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 229910000861 Mg alloy Inorganic materials 0.000 description 2
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- IWEDIXLBFLAXBO-UHFFFAOYSA-N dicamba Chemical compound COC1=C(Cl)C=CC(Cl)=C1C(O)=O IWEDIXLBFLAXBO-UHFFFAOYSA-N 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The utility model provides a dual-frequency communication-in-motion antenna, and belongs to the technical field of satellite communication. The dual-frequency communication-in-motion antenna comprises a turntable assembly, an antenna surface and a feed source network; according to the utility model, the U-shaped frame is formed by arranging the support arms at the two ends of the table top of the avionic mechanism, the turntable assembly is formed by matching with the pitching mechanism, the two ends of the back-to-face frame at the back of the antenna surface provided with the feed source network are respectively provided with the connecting arms to be rotationally connected with the support arms at the two ends of the U-shaped frame of the avionic assembly, the connecting points are more, the stress is more uniform, the connection is more reliable, the structure is more stable, the problem of bending deformation of the structure caused by uneven stress is effectively prevented, and the use performance of the antenna is ensured; in addition, a Ka/Ku integrated power amplifier is arranged on the table top and is connected with the feed source network, the Ka field amplifier and the Ku field amplifier through the waveguide assembly, so that Ka/Ku dual-frequency signal transmission is realized, the dual-frequency use requirement is met, the application range is wider, the use limit is reduced, and the development requirement of the modern Wei Tongtong communication technology is met.
Description
Technical Field
The utility model relates to the technical field of satellite communication, in particular to a dual-frequency communication-in-motion antenna.
Background
The communication-in-motion antenna is a structure which always aims at a satellite in the moving process, is an airborne satellite communication antenna for ensuring continuous satellite communication, and is a key structure of bidirectional data communication between equipment and a ground control center outside a beyond-line-of-sight range.
Currently, most of the on-board antennas in motion on the market are single-frequency on-board antennas, as disclosed in patent CN210668650U, an on-board ka on-motion on-board antenna is connected to a base fixedly connected with a flight carrier through a gesture adjusting mechanism of a pan-shaped antenna, the gesture adjusting mechanism further comprises a navigation mechanism, a rolling mechanism and a pitching mechanism, the navigation mechanism, the rolling mechanism and the pitching mechanism are integrally arranged on an installation arm, three-axis rotation of the pan-shaped antenna is achieved, during operation, a navigation motor of the navigation mechanism drives a cross arm to rotate, the pan-shaped antenna rotates along a transverse arm edge rotating path as a channel course, a rolling motor of the rolling mechanism drives the pan-shaped antenna to swing left and right at a fixed angle, and a pitching motor of the pitching mechanism drives the pan-shaped antenna to swing at a fixed angle, so that multi-angle rotation of the pan-shaped antenna is achieved, and the gesture of the pan-shaped antenna is accurately adjusted according to the direction of a target satellite. Although the structure can meet the use requirement, in actual operation, as the connection between the aeronautical mechanism and the rolling mechanism is realized through the cross arm and the installation and installation arm, the aeronautical mechanism is in an eccentric state, the cross arm is easy to bend and deform, the usability is affected, in addition, the use frequency band of the existing single-frequency medium-frequency communication antenna is single, the use limit is larger, the application occasion is limited, and the development requirement of the modern Wei Tongtong communication technology is difficult to meet.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model aims to provide a dual-frequency communication antenna, a turntable assembly is formed by a navigation mechanism which is arranged in a U-shaped frame, an antenna surface provided with a feed source network is respectively connected with support arms at two ends of the U-shaped frame of the navigation assembly, structural stability is improved, stress is more uniform, bending deformation problem caused by uneven stress is effectively prevented, usability is ensured, and in addition, a Ka/Ku integrated power amplifier is arranged and connected with the feed source network, the Ka field amplifier and the Ku field amplifier through a waveguide assembly, so that dual-frequency use requirements are met, the use limit is small, the applicable occasions are more, and the development requirements of modern Wei Tongtong communication technology are better met.
The specific technical scheme is as follows:
a dual frequency in-motion antenna comprising: a turntable assembly, an antenna surface and a feed source network, wherein the turntable assembly is provided with a aviation mechanism and a pitching mechanism, the feed source network is arranged at the center of the antenna surface, one end of the feed source network penetrates through the antenna surface, the back surface of the antenna surface is provided with a surface back frame, and the surface back frame is arranged on the turntable assembly, and the turntable assembly has the characteristics that,
the navigation mechanism comprises a base, a table top, support arms, an azimuth gear and an azimuth motor, wherein the center of the table top is rotatably arranged on the base, the base and the rotation center of the table top are coaxially provided with the azimuth gear, two support arms are symmetrically arranged at two ends of the table top relative to the base to form a U-shaped frame, and the azimuth motor is arranged on the base and is meshed with the azimuth gear through the gears on the driving shafts of the azimuth motor;
the pitching mechanism comprises connecting arms, pitching gears and pitching motors, two connecting arms are arranged on the back frame at intervals, the two connecting arms are respectively connected with two support arms of the U-shaped frame in a rotating way, meanwhile, a pitching gear which is coaxially arranged with the rotating axis of the connecting arms is fixedly arranged on one connecting arm, and the pitching motors are arranged on one connecting arm and are meshed with the pitching gears on the driving shafts of the pitching motors;
the Ka/Ku integrated power amplifier is arranged on the U-shaped frame and is connected with the feed source network through the waveguide assembly.
The dual-frequency in-motion pass antenna comprises a waveguide assembly, wherein the waveguide assembly comprises a Ka emission waveguide, a Ku emission waveguide, a polarization switcher, a Ka filter, a Ku filter, a Ka field amplifier and a Ku field amplifier, the Ka field amplifier, the Ku field amplifier and the polarization switcher are all arranged on a back frame, the Ka/Ku integrated power amplifier is connected with a feed source network through the Ka emission waveguide, the Ka filter is connected with the feed source network, the Ka filter is also connected with the Ka field amplifier, meanwhile, the Ku emission waveguide is connected with the Ka/Ku integrated power amplifier and the polarization switcher, the polarization switcher is connected with the feed source network, and the Ku filter is connected with the polarization switcher.
The dual-frequency communication-in-motion antenna comprises a Ka transmitting waveguide, a first rotary joint and a second waveguide, wherein one end of the first waveguide is connected with a Ka/Ku integrated power amplifier, one end of the first rotary joint is connected with the other end of the first waveguide, the other end of the first rotary joint is connected with one end of the second waveguide, and the other end of the second waveguide is connected with a feed source network.
The dual-frequency communication-in-motion antenna comprises a Ku transmitting waveguide, a second rotary joint, a fourth waveguide, a third rotary joint and a fifth waveguide, wherein one end of the third waveguide is connected with a Ka/Ku integrated power amplifier, one end of the second rotary joint is connected with the other end of the third waveguide, the other end of the second rotary joint is connected with one end of the fourth waveguide, one end of the third rotary joint is connected with the other end of the fourth waveguide, the other end of the third rotary joint is connected with one end of the fifth waveguide, and the other end of the fifth waveguide is connected with a polarization switcher.
The dual-frequency communication-in-motion antenna is characterized in that the antenna surface is made of a carbon fiber honeycomb interlayer material.
The dual-frequency communication-in-motion antenna is characterized in that the back frame is made of an aluminum-magnesium alloy material.
The double-frequency communication-in-motion antenna is characterized in that the pitching gear is made of a titanium alloy material.
The dual-frequency communication-in-motion antenna is characterized in that the Ka transmitting waveguide and the Ku transmitting waveguide are made of aluminum alloy pipes, and the inner walls of the Ka transmitting waveguide and the Ku transmitting waveguide are plated with silver materials.
The dual-frequency communication-in-motion antenna comprises a heat dissipation copper pipe of a Ka/Ku integrated power amplifier, wherein the heat dissipation copper pipe extends to the bottom of a table top, and meanwhile, a plurality of caulking grooves are formed in the bottom of the table top, and the heat dissipation copper pipe is embedded in the caulking grooves.
The double-frequency communication-in-motion antenna is characterized in that a fan is arranged at the bottom of the table top and is covered on the heat dissipation copper pipe.
The technical scheme has the positive effects that:
according to the dual-frequency communication-in-motion antenna, the two ends of the table top of the communication mechanism are provided with the support arms to form the U-shaped frame, the communication mechanism which is arranged in the U-shaped frame is arranged to form the turntable assembly, the two ends of the back frame on the antenna surface provided with the feed source network are respectively connected with the two end support arms of the U-shaped frame of the communication assembly, the connection is more reliable, the structural stability is higher, the stress is more uniform, the problem of structural bending deformation caused by uneven stress is effectively prevented, and the use performance is ensured; in addition, the aviator is provided with a Ka/Ku integrated power amplifier, and is connected with the feed source network, the Ka field amplifier and the Ku field amplifier through the waveguide assembly, so that the dual-frequency use requirement is met, the application range is wider, the use limit is smaller, and the development of the modern Wei Tongtong information technology is facilitated.
Drawings
Fig. 1 is a block diagram of an embodiment of a dual-frequency mid-pass antenna of the present utility model;
fig. 2 is a schematic view showing the bottom structure of a mesa according to a preferred embodiment of the present utility model.
In the accompanying drawings: 1. a turntable assembly; 11. a propulsion mechanism; 12. a pitch mechanism; 111. a base; 112. a table top; 113. a support arm; 114. azimuth gears; 115. azimuth motor; 121. a connecting arm; 122. pitch up and down gears; 123. a pitch motor; 1121. a caulking groove; 2. an antenna surface; 21. a back frame; 3. a feed network; 4. Ka/Ku integrated power amplifier; 41. a heat dissipation copper pipe; 42. a fan; 5. a Ka launch waveguide; 51. a first waveguide; 52. a first rotary joint; 53. a second waveguide; 6. ku launch waveguide; 61. a third waveguide; 62. a second rotary joint; 63. a fourth waveguide; 64. a third rotary joint; 65. a fifth waveguide; 7. a polarization switcher; 8. ka field placing; 81. a Ka filter; 9. ku field emission; 91. ku filter.
Description of the embodiments
In order to make the technical means, the creation features, the achievement of the purposes and the effects of the present utility model easy to understand, the following embodiments specifically describe the technical solution provided by the present utility model with reference to fig. 1 to 2, but the following disclosure is not limited to the present utility model.
Fig. 1 is a block diagram of an embodiment of a dual-band mid-pass antenna of the present utility model. As shown in fig. 1, the dual-band communication-in-motion antenna provided in this embodiment includes: the turntable assembly 1, the antenna surface 2 and the feed source network 3, wherein the turntable assembly 1 comprises an aeronautical mechanism 11 and a pitching mechanism 12, the feed source network 3 is installed at the center of the antenna surface 2, one end of the feed source network 3 penetrates through the antenna surface 2, connection of the follow-up feed source network 3 and the waveguide assembly is facilitated, in addition, a surface back frame 21 is arranged on the back surface of the antenna surface 2, the surface back frame 21 is installed on the turntable assembly 1, the antenna surface 2 can move on the turntable, meanwhile, the turntable can be also followed, and the direction change requirement is met.
Specifically, the aero-mechanical mechanism 11 further includes a base 111, a table top 112, a support arm 113, an azimuth gear 114, and an azimuth motor 115, at this time, the center of the table top 112 is rotatably mounted on the base 111, the base 111 is fixedly mounted on a frame of a body such as an aero-carrier, and an azimuth gear 114 is coaxially disposed on the base 111 and with the rotation center of the table top 112, so that the azimuth gear 114 can be fixed to the base 111 first, and conditions are provided for the following azimuth gear 114 to serve as a driving structure for the rotation of the table top 112. In addition, two support arms 113 are symmetrically arranged at two ends of the table top 112 with respect to the base 111, that is, the table top 112 and the support arms 113 at two ends form a U-shaped frame, so as to provide installation and movement space for the subsequent Ka/Ku integrated power amplifier 4, waveguide assembly and the like. Meanwhile, the azimuth motor 115 is mounted on the base 111, and a gear on a driving shaft of the azimuth motor 115 is meshed with the azimuth gear 114, namely, when the azimuth motor 115 rotates, the gear on the driving shaft of the azimuth motor 115 rotates around the azimuth gear 114, so that the rotation of the U-shaped frame on the base 111 is realized, and the rotation requirement of subsequently driving the antenna surface 2 provided with the feed network 3 is met.
Specifically, the pitching mechanism 12 further includes a connecting arm 121, a pitching gear 122 and a pitching motor 123, at this time, two connecting arms 121 are disposed on the back frame 21 at intervals, preferably, the two connecting arms 121 are disposed at two ends of the back frame 21, and the two connecting arms 121 are respectively rotatably connected with the two arms 113 of the U-shaped frame, so that the connection between the pitching mechanism 12 and the aero-mechanical mechanism 11 is more reliable, the stability is higher, and meanwhile, the pitching mechanism 12 can deflect relative to the aero-mechanical mechanism 11, thereby meeting the requirement of pitching motion of the antenna surface 2 with the feed source network 3 installed subsequently. Meanwhile, a pitch gear coaxially arranged with the rotation axis of the pitch gear is fixedly installed on one connecting arm 121, so that the pitch gear can drive the corresponding connecting arm 121 to rotate, in addition, a pitch motor is installed on one connecting arm 121, a gear on a driving shaft of the pitch motor is meshed with the pitch gear, namely, when the driving shaft of the pitch motor drives the gear on the pitch motor to rotate, the gear on the driving shaft of the pitch motor can drive the pitch gear to rotate, and therefore the pitch motion of the face back frame 21 on the U-shaped frame is achieved.
Specifically, the integrated Ka/Ku power amplifier 4 is fixedly mounted on the aero-mechanical mechanism 11, at this time, the integrated Ka/Ku power amplifier 4 is arranged on the table top 112 of the U-shaped frame and between the two support arms 113, so that enough mounting space can be ensured, the operation of the aero-mechanical mechanism 11 can be followed, the mounting connection of the waveguide assembly is facilitated, and meanwhile, the structural protection of the integrated Ka/Ku power amplifier 4 is realized through the U-shaped frame. And moreover, the Ka/Ku integrated power amplifier 4 is connected with the feed source network 3 through the waveguide assembly, namely, the double-frequency connection of the feed source network 3 and the Ka/Ku integrated power amplifier 4 is realized, the double-frequency communication requirement is met, the application range is wider, the use limit is smaller, and the development of the modern Wei Tongtong information technology is facilitated. It should be noted that, the feed network 3 disclosed in this embodiment includes, but is not limited to, the Ku/Ka switching dual-band feed network disclosed in the patent CN108288764a, and can meet the Ku/Ka frequency band switching requirement.
More specifically, the waveguide assembly for connecting the Ka/Ku integrated power amplifier 4 and the feed source network 3 further comprises a Ka transmitting waveguide 5, a Ku transmitting waveguide 6, a polarization switcher 7, a Ka filter 81, a Ku filter 91, a Ka field amplifier 8 and a Ku field amplifier 9, at this time, the Ka field amplifier 8, the Ku field amplifier 9 and the polarization switcher 7 are all installed on the back frame 21, preferably, the Ka field amplifier 8 and the Ku field amplifier 9 are all fixed on the back frame 21 through a field amplifier bracket, so that the field amplifier installation requirement can be met, the structural strength of the back frame 21 can be improved through a field amplifier fixing bracket, the structural utilization is realized, and the reliability is higher. In addition, the Ka/Ku integrated power amplifier 4 is connected with the feed source network 3 through the Ka transmitting waveguide 5, the Ka filter 81 is connected with the feed source network 3, and the Ka filter 81 is also connected with the Ka field amplifier 8, namely, the connection of the Ka/Ku integrated power amplifier 4, the feed source network 3, the Ka filter 81 and the Ka field amplifier 8 is realized, and the use requirement of a Ka frequency band is met. Meanwhile, the Ku transmitting waveguide 6 is connected with the Ka/Ku integrated power amplifier 4 and the polarization switcher 7, the polarization switcher 7 is connected with the feed source network 3, the Ku filter 91 is connected with the polarization switcher 7, the Ku filter 91 is connected with the Ku field amplifier 9, namely, the connection of the Ka/Ku integrated power amplifier 4, the polarization switcher 7, the feed source network 3, the Ku filter 91 and the Ku field amplifier 9 is realized, the use requirement of a Ku frequency band is met, and polarization separation of Ku receiving and transmitting signals is realized through the polarization switcher 7, signal interference is prevented, the receiving and transmitting are more accurate, and the service performance is more stable. It should be noted that, the polarization switcher 7 includes, but is not limited to, the Ku frequency band polarization rotation mechanism disclosed in the patent CN108288764a, which can meet the polarization separation requirement of the receiving and transmitting signals, and the two feeder ports connected to the Ka transmitting waveguide 5 and the Ka filter 81 may also be two Ka feeder ports reserved on the fixed platform of the Ku/Ka switching dual-band feed network in the above-mentioned patent CN108288764a, and one feeder port connected to the polarization switcher 7 may also be one Ku feeder port reserved on the fixed platform in the above-mentioned patent, which can meet the use requirement, so the specific structure thereof is not repeated herein.
More specifically, the Ka-launch waveguide 5 for connecting the Ka/Ku integrated power amplifier 4 and the feed network 3 further comprises a first waveguide 51, a first rotary joint 52 and a second waveguide 53, at this time, one end of the first waveguide 51 is connected with the Ka/Ku integrated power amplifier 4, one end of the first rotary joint 52 is connected with the other end of the first waveguide 51, the other end of the first rotary joint 52 is connected with one end of the second waveguide 53, and the other end of the second waveguide 53 is connected with the feed network 3, so that the conduction of a Ka-band signal channel can be ensured, the signal conduction when the pitching mechanism 12 acts can be ensured according to the angle change requirement when the feed network 3 turns over along with the back frame 21, and the structural design is more reasonable. Preferably, the rotation axis of the first rotary joint 52 is coaxially arranged with the rotation axis of the connection arm 121 and the rotation connection arm 113 of the pitching mechanism 12, so that the first rotary joint 52 can meet the rotation requirement when the pitching mechanism 12 acts.
More specifically, the Ku-emitting waveguide 6 further includes a third waveguide 61, a second rotary joint 62, a fourth waveguide 63, a third rotary joint 64 and a fifth waveguide 65, at this time, one end of the third waveguide 61 is connected to the Ka/Ku integrated power amplifier 4, one end of the second rotary joint 62 is connected to the other end of the third waveguide 61, preferably, the rotation axis of the second rotary joint 62 is coaxially arranged with the rotation axis of the connection arm 121 and the rotation connection arm 113 of the pitching mechanism 12, so that the second rotary joint 62 can meet the rotation requirement when the pitching mechanism 12 acts. And, the other end of second rotary joint 62 is connected with one end of fourth waveguide 63, and the one end of third rotary joint 64 is connected with the other end of fourth waveguide 63, and preferably, thirteen rotary joints pass through joint support frame fixed mounting on the face back frame 21, simultaneously, the other end of third rotary joint 64 is connected with one end of fifth waveguide 65 to, and the other end of fifth waveguide 65 is connected with polarization switch 7, has adapted the rotation demand of polarization switch 7 through third rotary joint 64, has also promoted the structural strength of face back frame 21 through the joint support frame in addition, and structural design is more reasonable.
More specifically, the antenna surface 2 is made of carbon fiber honeycomb sandwich material, so that the weight of the antenna surface 2 is reduced and the light use requirement is met under the condition of ensuring the structural strength of the antenna surface 2.
More specifically, the back frame 21 is made of an aluminum-magnesium alloy material, and the weight of the back frame 21 can be minimized on the premise of ensuring the structural rigidity of the back frame, so that the light-weight use requirement is met.
In addition, the pitching gear 122 is made of titanium alloy material, so that not only can the gear transmission rigidity requirement be met, but also the light-weight use requirement can be met, and the light-weight design of the antenna is facilitated.
More specifically, all adopt aluminum alloy tubular product preparation with Ka launch waveguide 5, ku launch waveguide 6 and the waveguide that is used for connecting each waveguide device among the above-mentioned to, the intraductal wall has all plated silver material, has promoted structural strength equally, prevents deformation, can also guarantee simultaneously enough good signal transmission performance, and can alleviate whole weight, satisfies lightweight design demand.
Fig. 2 is a schematic view showing the bottom structure of a mesa according to a preferred embodiment of the present utility model. As shown in fig. 1 and 2, the heat dissipation copper pipe 41 of the Ka/Ku integrated power amplifier 4 extends to the bottom of the table top 112, so that the heat dissipation copper pipe 41 of the Ka/Ku integrated power amplifier 4 is fused with the table top 112, the table top 112 can serve as an auxiliary heat dissipation structure of the heat dissipation copper pipe 41, the heat dissipation effect is improved, and the use performance of the Ka/Ku integrated power amplifier 4 is ensured. Meanwhile, the bottom of the table top 112 is provided with a plurality of caulking grooves 1121, and the heat dissipation copper pipe 41 is embedded in the caulking grooves 1121, so that hidden installation of the heat dissipation copper pipe 41 on the table top 112 is realized, the bottom of the table top 112 is smooth, the heat dissipation effect is improved, the safety of the table top 112 during rotation can be prevented, the problem of collision of the heat dissipation copper pipe 41 caused by protruding is prevented, and the structural design is more reasonable.
More specifically, the bottom of the table top 112 is further provided with the fan 42, at this time, the fan 42 is covered on the heat dissipation copper pipe 41, that is, the air flow rate at the position of the heat dissipation copper pipe 41 is quickened by the fan 42, the heat exchange effect is better, the heat dissipation efficiency is improved, and the structural design is more reasonable.
The dual-frequency communication-in-motion antenna provided by the embodiment comprises a turntable assembly 1, an antenna surface 2 and a feed source network 3; the two ends of the table top 112 of the aeronautical mechanism 11 are provided with the support arms 113 to form the U-shaped frame, and the pitching mechanism 12 is matched to form the turntable assembly 1, the two ends of the back-to-face frame 21 on the back of the antenna surface 2 provided with the feed source network 3 are respectively provided with the connecting arms 121 to be rotationally connected with the support arms 113 at the two ends of the U-shaped frame of the aeronautical assembly, the connecting points are more, the stress is more uniform, the connection is more reliable, the structure is more stable, the problem of bending deformation of the structure caused by uneven stress is effectively prevented, and the use performance of the antenna is ensured; in addition, a Ka/Ku integrated power amplifier 4 is further arranged on the table top 112 and is connected with the feed source network 3, the Ka field amplifier 8 and the Ku field amplifier 9 through a waveguide assembly, so that Ka/Ku dual-frequency signal transmission is realized, dual-frequency use requirements are met, the application range is wider, the use limit is reduced, and the development requirements of modern Wei Tongtong communication technology are met.
The foregoing is merely illustrative of the preferred embodiments of the present utility model and is not intended to limit the embodiments and scope of the present utility model, and it should be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included in the scope of the present utility model.
Claims (10)
1. A dual-frequency communication antenna in motion, comprising a turntable assembly, an antenna surface and a feed source network, wherein the turntable assembly is provided with a aviation mechanism and a pitching mechanism, the feed source network is arranged in the center of the antenna surface, one end of the feed source network penetrates through the antenna surface, the back surface of the antenna surface is provided with a back surface frame, and the back surface frame is arranged on the turntable assembly, the dual-frequency communication antenna is characterized in that,
the navigation mechanism comprises a base, a table top, support arms, an azimuth gear and an azimuth motor, wherein the center of the table top is rotatably arranged on the base, the azimuth gear is coaxially arranged on the base and is coaxial with the rotation center of the table top, two support arms are symmetrically arranged at two ends of the table top relative to the base to form a U-shaped frame, and the azimuth motor is arranged on the base and is meshed with the azimuth gear through gears on a driving shaft of the azimuth motor;
the pitching mechanism comprises connecting arms, pitching gears and pitching motors, two connecting arms are arranged on the face-back frame at intervals, the two connecting arms are respectively connected with the two support arms of the U-shaped frame in a rotating way, meanwhile, one pitching gear which is coaxially arranged with the rotating axis of the connecting arm is fixedly arranged on one connecting arm, and the pitching motors are arranged on one connecting arm and are meshed with the pitching gears on the driving shafts of the pitching motors;
the Ka/Ku integrated power amplifier is arranged on the U-shaped frame and is connected with the feed source network through a waveguide assembly.
2. The dual-frequency mid-pass antenna of claim 1, wherein the waveguide assembly comprises a Ka-launch waveguide, a Ku-launch waveguide, a polarization switcher, a Ka-filter, a Ku-filter, a Ka-field amplifier, and a Ku-field amplifier, all mounted on the back-of-plane shelf, the Ka/Ku-integral power amplifier being connected to the feed network through the Ka-launch waveguide, the Ka-filter being connected to the feed network, and the Ka-filter also being connected to the Ka-field amplifier, while the Ku-launch waveguide is connected to the Ka/Ku-integral power amplifier and the polarization switcher, the polarization switcher being connected to the feed network, and the Ku-filter being connected to the polarization switcher, the Ku-filter being connected to the Ku-field amplifier.
3. The dual-frequency communication-in-motion antenna according to claim 2, wherein the Ka-launch waveguide comprises a first waveguide, a first rotary joint and a second waveguide, one end of the first waveguide is connected with the Ka/Ku integrated power amplifier, one end of the first rotary joint is connected with the other end of the first waveguide, the other end of the first rotary joint is connected with one end of the second waveguide, and the other end of the second waveguide is connected with the feed network.
4. The dual-frequency communication-in-motion antenna according to claim 2, wherein the Ku transmitting waveguide comprises a third waveguide, a second rotary joint, a fourth waveguide, a third rotary joint and a fifth waveguide, one end of the third waveguide is connected with the Ka/Ku integrated power amplifier, one end of the second rotary joint is connected with the other end of the third waveguide, the other end of the second rotary joint is connected with one end of the fourth waveguide, one end of the third rotary joint is connected with the other end of the fourth waveguide, the other end of the third rotary joint is connected with one end of the fifth waveguide, and the other end of the fifth waveguide is connected with the polarization switcher.
5. The dual-frequency communication-in-motion antenna of claim 1, wherein the antenna face is made of carbon fiber honeycomb sandwich material.
6. The dual-band in-motion antenna of claim 1, wherein the back-to-back frame is made of an almag material.
7. The dual-frequency communication-in-motion antenna of claim 1, wherein the pitch gear is made of a titanium alloy material.
8. The dual-frequency communication-in-motion antenna according to claim 2, wherein the Ka-wave-guide and the Ku-wave-guide are made of aluminum alloy pipes, and the inner walls are plated with silver materials.
9. The dual-frequency communication-in-motion antenna according to claim 1, wherein the heat dissipation copper pipe of the Ka/Ku integrated power amplifier extends to the bottom of the table top, and meanwhile, a plurality of caulking grooves are formed in the bottom of the table top, and the heat dissipation copper pipe is embedded in the caulking grooves.
10. The dual-band mid-pass antenna of claim 9, wherein a fan is disposed at a bottom of said mesa, said fan being overlaid on said heat dissipating copper tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320902062.6U CN220042286U (en) | 2023-04-11 | 2023-04-11 | Dual-frenquency is in moving and is led to antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320902062.6U CN220042286U (en) | 2023-04-11 | 2023-04-11 | Dual-frenquency is in moving and is led to antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220042286U true CN220042286U (en) | 2023-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320902062.6U Active CN220042286U (en) | 2023-04-11 | 2023-04-11 | Dual-frenquency is in moving and is led to antenna |
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| CN (1) | CN220042286U (en) |
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