CN112187334B - Intelligent terminal information exchange network expansion device for mobile communication satellite - Google Patents
Intelligent terminal information exchange network expansion device for mobile communication satellite Download PDFInfo
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- CN112187334B CN112187334B CN202010859338.8A CN202010859338A CN112187334B CN 112187334 B CN112187334 B CN 112187334B CN 202010859338 A CN202010859338 A CN 202010859338A CN 112187334 B CN112187334 B CN 112187334B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18517—Transmission equipment in earth stations
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Abstract
An expansion device for an intelligent terminal information exchange network of a mobile communication satellite comprises a lifting support frame, a connecting box frame, a bearing, a support shaft, a handheld button, two telescopic units and two signal expansion pieces. The connecting box frame is arranged on the upper surface of the lifting support frame, a bearing is arranged in the middle of the top wall of the connecting box frame in a penetrating mode, the supporting shaft is rotatably connected with the connecting box frame through the bearing, the handheld button is arranged at the top end of the supporting shaft, the two telescopic units are symmetrically connected to the two sides of the outer wall of the lower portion of the supporting shaft, and one end, penetrating out of the side wall of the connecting box frame, of each telescopic unit is connected with a signal expansion sheet; during operation, two signal expansion pieces are arranged on two sides of the signal output structure, the supporting shaft is driven to rotate by twisting the handheld button, the supporting shaft drives the two telescopic units to simultaneously extend outwards, and the purpose of expanding output signals is achieved. The lifting support frame drives the connecting box frame to move up and down, so that the effect of adjusting the height to adapt to the application of the signal output equipment is achieved.
Description
Technical Field
The invention relates to an expansion device for an information exchange network of a mobile communication satellite intelligent terminal, belonging to the field of network signal expansion equipment.
Background
In a mobile satellite communication system, a user segment needs to access a mobile satellite communication network through a ground segment for mobile communication, a communication terminal representing the user segment can have different expression forms, such as a handheld terminal or a vehicle-mounted terminal, and the user terminal is used for realizing the setting and acquisition of a communication state of a terminal user through installing a wireless receiving and transmitting antenna so as to complete communication. For mobile satellite communication networks of different frequency bands, one of the embodiments is that the frequencies used by user terminals are different, and the user terminals which adopt different frequency bands for communication have different communication functions and design methods; in the application process of the information exchange network terminal equipment, the wireless signal output equipment is the common signal output equipment.
At present, the output signal of the wireless signal output equipment of mobile communication is easily affected by factors such as environment and the like, and the wireless signal output is difficult to be effectively expanded, so that the signal output efficiency of the wireless signal output equipment is lower, and the application is inconvenient.
Disclosure of Invention
The technical problem solved by the invention is as follows: the defects of the prior art are overcome, and the expansion device for the intelligent terminal information exchange network of the mobile communication satellite is provided.
The technical solution of the invention is as follows:
an expansion device for an intelligent terminal information exchange network of a mobile communication satellite comprises a lifting support frame, a connecting box frame, a bearing, a support shaft, a handheld button, two telescopic units and two signal expansion pieces;
the connecting box frame is arranged on the upper surface of the lifting support frame, a bearing is arranged in the middle of the top wall of the connecting box frame in a penetrating mode, the supporting shaft is rotatably connected with the connecting box frame through the bearing, the handheld button is arranged at the top end of the supporting shaft, the two telescopic units are symmetrically connected to the two sides of the outer wall of the lower portion of the supporting shaft, and one end, penetrating out of the side wall of the connecting box frame, of each telescopic unit is connected with a signal expansion sheet;
during operation, two signal expansion pieces are arranged on two sides of the signal output structure, the supporting shaft is driven to rotate by twisting the handheld button, the supporting shaft drives the two telescopic units to simultaneously extend outwards, and the purpose of expanding output signals is achieved.
The two telescopic units have the same structure, and each telescopic unit comprises a toothed roller, a rack, a stop button, a limiting sliding sleeve, a limiting column bar and a supporting bent shaft;
Fluted roller fixed mounting is on back shaft lower part lateral wall, the meshing of fluted roller side surface has the rack, the equal fixed mounting in both ends of rack has fender button, spacing sliding sleeve runs through and installs on connecting box frame lateral wall, the inside sliding connection of spacing sliding sleeve has spacing capital, and spacing capital is located the inside one end of connecting box frame and the fender button fixed connection who closes on, spacing capital is located the outside one end fixed mounting of connecting box frame and is supported the cambered axle, the tip fixed mounting who supports the cambered axle has the signal to expand the piece.
The lifting support frame comprises a bottom plate, a support lining frame, a connecting sleeve frame and a connecting substrate;
the upper surface of the bottom plate is fixedly provided with a supporting lining frame, the supporting lining frame is sleeved with a connecting sleeve frame in a sliding manner, the upper surface of the connecting sleeve frame is fixedly provided with a connecting substrate, and the upper surface of the connecting substrate is fixedly provided with a connecting box frame;
the middle part of the bottom plate is provided with a through groove, the through groove penetrates through the upper surface and the bottom surface of the bottom plate, a packaging substrate is arranged at an opening of the through groove on the bottom surface, a speed reducing motor is fixedly arranged at the center of the upper surface of the packaging substrate, the output end of the speed reducing motor is fixedly connected with the bottom end of a threaded shaft, a limiting piece is fixedly arranged at the top end of the threaded shaft, and an internal thread ring pipe is in threaded connection with the threaded shaft;
The bottom surface of the connecting substrate is fixedly provided with two supporting oblique strips, the two supporting oblique strips are symmetrical along the center of the connecting substrate, the bottom end of each supporting oblique strip is fixedly provided with a connecting sheet frame, the other end of each connecting sheet frame is fixedly connected with the internal thread ring pipe, and after the connecting sheet frames are installed in place, the two connecting sheet frames are respectively positioned on the left side and the right side of the outer wall of the internal thread ring pipe;
when the speed reducing motor drives the threaded shaft to rotate, the internally threaded ring pipe is caused to move up or down on the surface of the threaded shaft, so that the connecting substrate is driven to move up or down through the connecting piece frame and the supporting oblique strips.
The upper surface of the bottom plate is fixedly provided with four connecting longitudinal pipes, and the four connecting longitudinal pipes are close to four corners of the upper surface of the bottom plate and are positioned inside the supporting lining frame; the pipe wall of each connecting longitudinal pipe is symmetrically provided with two longitudinal grooves which penetrate through the connecting longitudinal pipe from top to bottom; the bottom surface of the connecting substrate is fixedly provided with four sliding longitudinal shafts, the four sliding longitudinal shafts correspond to the four connecting longitudinal pipes one by one, the bottom end of each sliding longitudinal shaft is fixedly provided with a sliding sheet frame, and the sliding sheet frames are connected in longitudinal grooves of the corresponding connecting longitudinal pipes in a sliding manner;
when the connecting base plate ascends or descends, the sliding longitudinal shaft and the sliding sheet frame longitudinally slide in the longitudinal groove of the connecting longitudinal pipe, so that the connecting sleeve frame slides on the surface of the supporting lining frame, and the whole connecting base plate drives the top structure of the connecting base plate to stably ascend and descend.
The bottom surface fixed mounting of bottom plate has the overlap joint seatpad, and the overlap joint spacer has been cup jointed on the surface of overlap joint seatpad, and first anti-skidding recess has been seted up to the bottom surface of overlap joint spacer.
The bottom surface of the connecting sleeve frame is bonded with a dustproof ring, and the inner ring of the dustproof ring is in sliding lap joint with the surface of the supporting lining frame.
The dust ring is made of fluororubber.
The side of the connecting sleeve frame is bonded with the handheld touch pad, and the surface of the handheld touch pad is provided with a second anti-skidding groove, so that the whole device can be held conveniently.
The surface fixing of connecting the cover frame installs the installation rack, runs through on the installation rack and has seted up the installation through-hole, and the whole device of being convenient for installs and fixes.
Compared with the prior art, the invention has the advantages that:
(1) the support shaft is driven to rotate by twisting the hand-held button, namely the toothed roller is driven to rotate, so that a rack meshed with the toothed roller is meshed with and moves on the surface of the toothed roller, the limit column is driven to slide in the limit sliding sleeve by the gear, and the support bent shaft and the signal expansion sheet are driven to horizontally move, so that two signal expansion sheets are arranged on two sides of the signal output structure to expand an output signal, the effect of conveniently adjusting the signal expansion structure is achieved, the aim of conveniently and effectively expanding wireless signal output is fulfilled, and the application is more convenient.
(2) The invention drives the threaded shaft to rotate through the speed reducing motor, namely, the internally threaded ring pipe in threaded connection with the surface of the threaded shaft is driven to move up or down on the surface of the threaded shaft, so that the connecting base plate is driven to move up or down through the connecting sheet frame and the supporting oblique strip, the sliding longitudinal shaft and the sliding sheet frame longitudinally slide in the connecting longitudinal pipe and the longitudinal groove, the connecting sleeve frame slides on the surface of the supporting lining frame, and the whole connecting base plate moves up and down, namely, the top structure of the connecting base plate is driven to move up and down, so that the effect of conveniently adjusting the height to adapt to the application of signal output equipment is achieved, and the purposes of convenient adaptation and more flexibility are achieved.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a front sectional view of the support frame structure of the present invention;
FIG. 3 is a sectional plan view of the connecting cassette holder structure of the present invention;
FIG. 4 is a front cross-sectional view of the landing pad structure of the present invention;
fig. 5 is a top view of the signal expansion sheet structure of the present invention.
In the figure: the device comprises a base plate 1, a supporting lining frame 2, a connecting sleeve frame 3, a connecting base plate 4, a connecting box frame 5, a bearing 6, a supporting shaft 7, a handheld button 8, a toothed roller 9, a rack 10, a retaining button 11, a limiting sliding sleeve 12, a limiting column bar 13, a supporting bent shaft 14, a signal expansion sheet 15, a through groove 16, a packaging substrate 17, a speed reduction motor 18, a threaded shaft 19, a limiting sheet 20, a supporting inclined bar 21, a connecting sheet frame 22, an internal threaded ring pipe 23, a connecting longitudinal pipe 24, a longitudinal groove 25, a sliding longitudinal shaft 26, a sliding sheet frame 27, a lapping pad seat 28, a lapping pad cover 29, a first antiskid groove 30, a dust ring 31, a handheld contact pad 32, a second antiskid groove 33, a mounting sheet frame 34 and a mounting through hole 35.
Detailed Description
The invention provides an expansion device for an information exchange network of a mobile communication satellite intelligent terminal.
Referring to fig. 1-5, the information exchange network expansion device for the intelligent terminal of the mobile communication satellite comprises a lifting support frame, wherein the lifting support frame comprises a bottom plate 1, a support lining frame 2 is fixedly installed at the edge of the upper surface of the bottom plate 1, a connecting sleeve frame 3 is sleeved on the surface of the support lining frame 2 in a sliding mode, and a connecting base plate 4 is fixedly installed at the top of the connecting sleeve frame 3. On the liftable support frame, the last fixed surface of connecting substrate 4 installs connecting box frame 5 promptly, and the middle part of connecting box frame 5 roof is run through and is installed bearing 6, and connecting box frame 5 rotates through bearing 6 and is connected with back shaft 7, and the top fixed mounting of back shaft 7 has handheld knob 8, and back shaft 7 lower part outer wall bilateral symmetry is connected with two scalable units, and the one end that connecting box frame 5 lateral wall was worn out to every scalable unit is connected with a signal expansion piece 15.
The two telescopic units are identical in structure, and each telescopic unit comprises a toothed roller 9, a rack 10, a stop button 11, a limiting sliding sleeve 12, a limiting column 13 and a supporting bent shaft 14. Specifically, fluted roller 9 fixed mounting is on the lower part outer wall of back shaft 7, fluted roller 9 side surface meshing has rack 10, the equal fixed mounting in both ends of rack 10 keeps off button 11, the lateral wall of connecting box frame 5 both sides all runs through and installs spacing sliding sleeve 12, the inside sliding connection of spacing sliding sleeve 12 has spacing column bar 13, and spacing column bar 13 is located the inside one end of connecting box frame 5 and keeps off button 11 fixed connection, spacing column bar 13 is located the outside one end fixed mounting of connecting box frame 5 and supports bent axle 14, the tip fixed mounting who supports bent axle 14 has signal expansion piece 15.
Drive back shaft 7 through wrench movement handheld knob 8 and rotate, drive fluted roller 9 promptly and rotate, make the rack 10 of fluted roller 9 meshing remove in the meshing of fluted roller 9 surface, rack 10 removes and drives spacing post strip 13 through keeping off knob 11 promptly and slide in spacing sliding sleeve 12, thereby drive and support bent axle 14 and the 15 horizontal migration of signal expansion piece, make two signal expansion pieces 15 arrange signal output structure both sides in and can expand the signal of output, the effect of being convenient for adjust signal expansion structure has been reached, the target of being convenient for effectively expand wireless signal output has been realized, it is more convenient to use.
The middle part of 1 top surface of bottom plate and bottom surface is run through and is seted up logical groove 16, encapsulation substrate 17 is installed to the logical groove 16 opening part at 1 bottom surface middle part of bottom plate, the middle part fixed mounting of encapsulation substrate 17 top surface has gear motor 18, gear motor 18's output fixed mounting has screw shaft 19, screw shaft 19's top fixed mounting has spacing piece 20, connection substrate 4's bottom surface fixed mounting has two to support the batter 21, and two support the central symmetry of batter 21 along connection substrate 4, the bottom fixed mounting that every supports the batter 21 has a connecting piece frame 22, the connecting piece frame 22 other end is linked firmly with internal thread ring canal 23, after the installation targets in place, two connecting piece frames 22 are located the left and right sides of internal thread ring canal 23 outer wall respectively, promptly about internal thread ring canal 23 central symmetry.
Four connecting longitudinal pipes 24 are fixedly arranged on the upper surface of the bottom plate 1, and the four connecting longitudinal pipes 24 are close to four corners of the upper surface of the bottom plate 1 and are positioned inside the supporting lining frame 2; two symmetrical longitudinal grooves 25 are formed through the wall of the connecting longitudinal pipe 24, four sliding longitudinal shafts 26 are fixedly installed on the bottom surface of the connecting substrate 4, the four sliding longitudinal shafts 26 correspond to the four connecting longitudinal pipes 24 one by one, a sliding sheet frame 27 is fixedly installed at the bottom end of each sliding longitudinal shaft 26, the sliding sheet frame 27 is connected inside the longitudinal grooves 25 in a sliding manner, the threaded shaft 19 is driven to rotate by the speed reducing motor 18, namely, the internally threaded ring pipe 23 in threaded connection with the surface of the threaded shaft 19 is driven to move up or down on the surface of the threaded shaft 19, so that the connecting substrate 4 is driven to move up or down by the connecting sheet frame 22 and the supporting oblique bars 21, the sliding longitudinal shafts 26 and the sliding sheet frames 27 longitudinally slide in the connecting longitudinal pipes 24 and the longitudinal grooves 25, the connecting sleeve frame 3 slides on the surface of the supporting lining frame 2, the whole connecting substrate 4 moves up and down, namely, the top structure of the whole connecting substrate is driven to move up and down, and thereby achieving the effect of conveniently adjusting the height to adapt to the application of signal output equipment, the aim of convenient adaptation and more flexibility is fulfilled.
Connect the surface bonding of cover frame 3 to have handheld touch pad 32, second anti-skidding recess 33 has been seted up on the surface of handheld touch pad 32, through setting up handheld touch pad 32, it is more convenient when making whole device held, connect the fixed surface installation mount sheet frame 34 of cover frame 3, the front and the back of installation sheet frame 34 run through and have seted up installation through-hole 35, through setting up installation sheet frame 34 and installation through-hole 35, make whole device be convenient for install and fix.
In conclusion, the expanding device for the mobile communication satellite intelligent terminal information exchange network drives the supporting shaft 7 to rotate by twisting the handheld button 8, namely, drives the toothed roller 9 to rotate, so that the rack 10 meshed with the toothed roller 9 is meshed with and moves on the surface of the toothed roller 9, the rack 10 moves, namely, the stop button 11 drives the limit column 13 to slide in the limit sliding sleeve 12, thereby driving the supporting bent shaft 14 and the signal expansion sheets 15 to move horizontally, so that the two signal expansion sheets 15 are arranged on two sides of the signal output structure, namely, the output signal can be expanded, the effect of conveniently adjusting the signal expansion structure is achieved, the aim of effectively expanding the wireless signal output is achieved, the application is more convenient, the threaded shaft 19 is driven to rotate by the speed reduction motor 18, namely, the internally threaded ring pipe 23 in threaded connection with the surface of the threaded shaft 19 is driven to move upwards or downwards on the surface of the threaded shaft 19, so that the connecting substrate 4 is driven to move upwards or downwards by the connecting sheet frame 22 and the supporting oblique strip 21, make slip axis of ordinates 26 and slip sheet rack 27 and connect vertical pipe 24 and indulge the inslot 25 longitudinal slip, make connecting sleeve frame 3 slide on supporting lining frame 2 surface, whole connection base plate 4 lifting movement drives its top structure lifting movement promptly, thereby reached and be convenient for height-adjusting and carry out the effect of using with the adaptation signal output equipment, the adaptation of being convenient for has been realized, more nimble target, solved present in mobile communication's wireless signal output equipment application, it is easily influenced by factors such as environment and is more restricted to signal output, it is difficult to carry out effective extension to wireless signal output, make signal output efficiency lower, use very inconvenient problem.
In conclusion, the invention not only realizes the aim of effectively expanding the wireless signal output, but also achieves the effect of conveniently adjusting the height to adapt to the application of signal output equipment by driving the threaded shaft to rotate through the speed reducing motor.
Those skilled in the art will appreciate that those matters not described in detail in the present specification are not particularly limited to the specific examples described herein.
Claims (8)
1. An intelligent terminal information exchange network expansion device for a mobile communication satellite is characterized in that: comprises a lifting support frame, a connecting box frame (5), a bearing (6), a supporting shaft (7), a handheld button (8), two telescopic units and two signal expansion sheets (15);
the connecting box frame (5) is arranged on the upper surface of the lifting support frame, a bearing (6) is arranged in the middle of the top wall of the connecting box frame (5) in a penetrating mode, the supporting shaft (7) is rotatably connected with the connecting box frame (5) through the bearing (6), the hand-held button (8) is arranged at the top end of the supporting shaft (7), the two telescopic units are symmetrically connected to two sides of the outer wall of the lower portion of the supporting shaft (7), and one end, penetrating out of the side wall of the connecting box frame (5), of each telescopic unit is connected with a signal expansion sheet (15);
when the signal expansion device works, the two signal expansion pieces (15) are arranged on two sides of the signal output structure, the supporting shaft (7) is driven to rotate by twisting the hand-held button (8), and the supporting shaft (7) drives the two telescopic units to simultaneously extend outwards, so that the purpose of expanding output signals is realized;
The two telescopic units have the same structure, and each telescopic unit comprises a toothed roller (9), a rack (10), a stop knob (11), a limiting sliding sleeve (12), a limiting column bar (13) and a supporting bent shaft (14);
fluted roller (9) fixed mounting is on back shaft (7) lower part lateral wall, fluted roller (9) side surface meshing has rack 10, the equal fixed mounting in both ends of rack (10) keeps off knob (11), spacing sliding sleeve (12) through mounting is on connecting box frame (5) lateral wall, the inside sliding connection of spacing sliding sleeve (12) has spacing column (13), and spacing column (13) are located the inside one end of connecting box frame (5) and keep off knob (11) fixed connection that closes on, spacing column (13) are located the outside one end fixed mounting of connecting box frame (5) and are supported bent axle (14), the tip fixed mounting who supports bent axle (14) has signal expansion piece (15).
2. The intelligent terminal information switching network expansion device for mobile communication satellites of claim 1, wherein: the lifting support frame comprises a bottom plate (1), a support lining frame (2), a connecting sleeve frame (3) and a connecting base plate (4);
a supporting lining frame (2) is fixedly installed on the upper surface of the bottom plate (1), a connecting sleeve frame (3) is sleeved on the supporting lining frame (2) in a sliding mode, a connecting base plate (4) is fixedly installed on the upper surface of the connecting sleeve frame (3), and a connecting box frame (5) is fixedly installed on the upper surface of the connecting base plate (4);
The middle part of the bottom plate (1) is provided with a through groove (16), the through groove (16) penetrates through the upper surface and the bottom surface of the bottom plate (1), an opening of the through groove (16) on the bottom surface is provided with a packaging substrate (17), the center of the upper surface of the packaging substrate (17) is fixedly provided with a speed reducing motor (18), the output end of the speed reducing motor (18) is fixedly connected with the bottom end of a threaded shaft (19), the top end of the threaded shaft (19) is fixedly provided with a limiting piece (20), and an internal thread ring pipe (23) is in threaded connection with the threaded shaft (19);
the bottom surface of the connecting substrate (4) is fixedly provided with two supporting oblique strips (21), the two supporting oblique strips (21) are symmetrical along the center of the connecting substrate (4), the bottom end of each supporting oblique strip (21) is fixedly provided with a connecting piece frame (22), the other end of each connecting piece frame (22) is fixedly connected with the internal thread ring pipe (23), and after the connecting piece frames (22) are installed in place, the two connecting piece frames (22) are respectively positioned on the left side and the right side of the outer wall of the internal thread ring pipe (23);
when the reduction motor (18) drives the threaded shaft (19) to rotate, the internal thread ring pipe (23) is caused to move up or down on the surface of the threaded shaft (19), so that the connecting substrate (4) is driven to move up or down through the connecting piece frame (22) and the supporting oblique strips (21).
3. The intelligent terminal information switching network expansion device for mobile communication satellites according to claim 2, wherein: four connecting longitudinal pipes (24) are fixedly arranged on the upper surface of the bottom plate (1), and the four connecting longitudinal pipes (24) are close to four corners of the upper surface of the bottom plate (1) and are positioned inside the supporting lining frame (2); two longitudinal grooves (25) are symmetrically formed in the pipe wall of each connecting longitudinal pipe (24), and the longitudinal grooves (25) penetrate through the connecting longitudinal pipes (24) from top to bottom; the bottom surface of the connecting base plate (4) is fixedly provided with four sliding longitudinal shafts (26), the four sliding longitudinal shafts (26) correspond to the four connecting longitudinal pipes (24) one by one, the bottom end of each sliding longitudinal shaft (26) is fixedly provided with a sliding sheet frame (27), and the sliding sheet frames (27) are connected in the longitudinal grooves (25) of the corresponding connecting longitudinal pipes (24) in a sliding manner;
When the connecting substrate (4) ascends or descends, the sliding longitudinal shaft (26) and the sliding sheet frame (27) longitudinally slide in the longitudinal groove (25) of the connecting longitudinal pipe (24), so that the connecting sleeve frame (3) slides on the surface of the supporting lining frame (2), and the whole connecting substrate (4) drives the top structure of the connecting substrate to stably ascend and descend.
4. The intelligent terminal information switching network expansion device for mobile communication satellites according to claim 2, wherein: the bottom surface fixed mounting of bottom plate (1) has overlap joint seatpad (28), and overlap joint seatpad (28) have been cup jointed on the surface overlap joint seatpad (28), and first anti-skidding recess (30) have been seted up to the bottom surface of overlap joint seatpad (29).
5. The intelligent terminal information switching network expansion device for mobile communication satellites according to claim 2, wherein: the bottom surface of the connecting sleeve frame (3) is adhered with a dustproof ring (31), and the inner ring of the dustproof ring (31) is in sliding lap joint with the surface of the supporting lining frame (2).
6. The intelligent terminal information exchange network expansion device for mobile communication satellite according to claim 5, characterized in that: the dust ring (31) is made of fluororubber.
7. The intelligent terminal information exchange network expansion device for mobile communication satellite according to claim 2, characterized in that: a handheld contact pad (32) is bonded on the side face of the connecting sleeve frame (3), and a second anti-skidding groove (33) is formed in the surface of the handheld contact pad (32), so that the whole device can be held conveniently.
8. The intelligent terminal information exchange network expansion device for mobile communication satellite according to claim 2, characterized in that: the surface of the connecting sleeve frame (3) is fixedly provided with an installation sheet frame (34), and the installation sheet frame (34) is provided with an installation through hole (35) in a penetrating way, so that the whole device is convenient to install and fix.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010859338.8A CN112187334B (en) | 2020-08-24 | 2020-08-24 | Intelligent terminal information exchange network expansion device for mobile communication satellite |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010859338.8A CN112187334B (en) | 2020-08-24 | 2020-08-24 | Intelligent terminal information exchange network expansion device for mobile communication satellite |
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| CN112187334B true CN112187334B (en) | 2022-05-24 |
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| CN113833002B (en) * | 2021-11-05 | 2023-03-31 | 中铁五局集团郫县投资发展有限公司 | Foundation heat-insulation structure and construction operation method thereof |
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