CN110166111A - A kind of 5G satellite mobile communication signal repeater - Google Patents
A kind of 5G satellite mobile communication signal repeater Download PDFInfo
- Publication number
- CN110166111A CN110166111A CN201910441838.7A CN201910441838A CN110166111A CN 110166111 A CN110166111 A CN 110166111A CN 201910441838 A CN201910441838 A CN 201910441838A CN 110166111 A CN110166111 A CN 110166111A
- Authority
- CN
- China
- Prior art keywords
- transponder
- mobile communication
- ontology
- communication signal
- connector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- 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
-
- 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
- H04B7/1853—Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Radio Relay Systems (AREA)
Abstract
The present invention relates to mobile communication technology fields, and disclose a kind of 5G satellite mobile communication signal repeater, including transponder ontology, silicon plate is fixedly installed in the middle part of the transponder ontology, inner connector ports are fixedly connected on the left of the silicon plate, the outer wall of the silicon plate is fixedly installed with cooling fin.The present invention is by installing contact block on the top of connection the end of a thread, original connection the end of a thread is directly connected with connector, it is changed to and is connected by contact block, reduce its contact area in the case where not influencing contact stabilization, its heating surface area is also reduced simultaneously, the device effectively reduces the heating surface area of equipment, ventilation opening is offered in its two sides, and ventilation opening is two layers, formation interlocks, effectively provide preferable heat dissipation, the entrance of dust is also prevented simultaneously, the device has broken off relations the bad problem of existing 5G satellite mobile communication signal repeater heat dissipation effect, also solve the problems, such as that the dust for solving to generate after poor heat radiation enters simultaneously.
Description
Technical field
The present invention relates to mobile communication technology field, specially a kind of 5G satellite mobile communication signal repeater.
Background technique
5G satellite mobile communication signal repeater can by receiving antenna, lock sky satellite-signal, by satellite-signal from
Interior is guided in outdoor or other can not receive the place of satellite-signal, can receive satellite letter with common satellite receiver indoors
Number, can be completed should provide adjustable test signal in the work in every of outdoor completion for receiver indoors.
And existing 5G satellite mobile communication signal repeater directly contacts desktop in bottom in use, it is not fugitive
Heat influences the service life of router, and existing equipment minority is radiated using aperture, this kind radiates after the use of long-time equipment
Inside can adsorb a large amount of dust, and it is unstable that long time integration will lead to equipment internal operation, we release a kind of 5G and defend thus
Star mobile communication signal transponder.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of 5G satellite mobile communication signal repeater, has heat dissipation
Effect is good, equipment stable connection, and the advantage that signal is stronger, solves a kind of existing 5G satellite mobile communication signal repeater,
5G satellite mobile communication signal repeater influences the service life of transponder in use process not easy heat radiation;Existing equipment is a small number of
It is radiated using aperture, internal the problem of adsorbing a large amount of dust after this kind heat dissipation long-time equipment use.
The invention provides the following technical scheme: a kind of 5G satellite mobile communication signal repeater, including transponder ontology, institute
It states and is fixedly installed with silicon plate in the middle part of transponder ontology, inner connector ports, the silicon are fixedly connected on the left of the silicon plate
The outer wall of plate is fixedly installed with cooling fin, and the inner cavity of the transponder ontology is fixedly installed with U-shaped board, and U-shaped board is located at silicon plate
Outside, the outer wall of the U-shaped board offers the second ventilation opening, and the outer wall of the transponder ontology offers the first ventilation opening,
The two sides of the transponder ontology are fixedly installed with fixed plate, and through hole, the transponder are offered in the middle part of the fixed plate
Receiver, arc panel and indicator light are fixedly installed at the top of ontology, and receiver is located at the inside of arc panel, indicator light is located at
The rear of receiver, the outer wall of the transponder ontology offer connector, and the inner wall of the connector offers sliding slot and ring
Shape sliding slot, and annular groove is located at the right side of sliding slot, the connector and inner connector ports are adapted, the connector it is interior
Chamber is fixedly installed with connection the end of a thread, and the outer wall of described connection the end of a thread is fixedly installed with connecting column, and the other end of the connecting column is solid
Surely it is connected with contact block, the contact block and sliding slot are adapted, it is fixedly connected with connecting line with the other end of described connection the end of a thread,
The other end of the connecting line is fixedly connected with transmitter, and the outer surface of the transmitter has been fixedly attached limit plate, the limit
The two sides of position plate outer wall offer fixed card interface.
Preferably, there are two the quantity of the receiver, two receivers are respectively positioned on the inside of arc panel.
Preferably, the quantity of the inner connector ports and connector it is equal there are four, four inner connector ports and
It is equidistant between connector.
Preferably, the two sides of the transponder ontology offer the first ventilation opening, and the quantity of first ventilation opening has
12,12 first ventilation openings with symmetrical formal distribution transponder ontology outer wall.
Preferably, there are four the quantity of the third fixed plate, four third fixed plates are uniform in the form of symmetrical
It is distributed in the two sides of transponder ontology.
Preferably, there are three the quantity of the cooling fin, three of them cooling fin is located at three side walls of silicon plate.
Preferably, the quantity of the contact block and sliding slot it is equal there are four, four contact blocks and sliding slot are to connect the end of a thread
Central point formed symmetrically.
Be compared with the prior art, the present invention have it is following the utility model has the advantages that
1, the 5G satellite mobile communication signal repeater will be original by installing contact block on the top of connection the end of a thread
It connects the end of a thread directly to connect with connector, is changed to and is connected by contact block, subtracted in the case where not influencing contact stabilization
Its small contact area, while its heating surface area is also reduced, which effectively reduces the heating surface area of equipment, in its two sides
Ventilation opening is offered, and ventilation opening is two layers, formation interlocks, and effectively provides preferable heat dissipation, while also preventing dust
Entrance, which solves the bad problems of existing 5G satellite mobile communication signal repeater heat dissipation effect, while also solving
Solve the problems, such as that the dust generated after poor heat radiation enters.
2, the 5G satellite mobile communication signal repeater, by 5G satellite mobile communication signal repeater top pacify
Arc panel is filled, and arc panel is located at the side of its transmitter, which can concentrate the signal of transponder, enhance it and use effect
Fruit.
Detailed description of the invention
Fig. 1 is structure of the invention schematic internal view;
Fig. 2 is schematic structural view of the invention;
Fig. 3 is schematic diagram at line and curve connection of the present invention;
Fig. 4 is structure of the invention connector schematic diagram;
Fig. 5 is structure of the invention interface internal schematic diagram.
In figure: 1, transponder ontology;2, receiver;3, arc panel;4, indicator light;5, connector;6, the end of a thread is connected;7, even
Wiring;8, fixed card interface;9, limit plate;10, transmitter;11, silicon plate;12, the first ventilation opening;13, cooling fin;14, it contacts
Block;15, connecting column;16, annular groove;17, sliding slot;18, U-shaped board;19, inner connector ports;20, the second ventilation opening;21, solid
Fixed board;22, through hole.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-5, a kind of 5G satellite mobile communication signal repeater, including transponder ontology 1, transponder ontology 1
Two sides offer the first ventilation opening 12, the quantity of the first ventilation opening 12 has 12, and 12 the first ventilation openings 12 are with right
The formal distribution of title is fixedly installed with silicon plate 11, the left side of silicon plate 11 at the middle part of the outer wall transponder ontology 1 of transponder ontology 1
It is fixedly connected with inner connector ports 19, there are four the quantity of inner connector ports 19 and connector 5 is equal, four internal connecting pins
It is equidistant between mouth 19 and connector 5, the outer wall of silicon plate 11 is fixedly installed with cooling fin 13, and the quantity of cooling fin 13 has three
A, three of them cooling fin 13 is located at three side walls of silicon plate 11, and the inner cavity of transponder ontology 1 is fixedly installed with U-shaped board 18,
And U-shaped board 18 is located at the outside of silicon plate 11, the outer wall of U-shaped board 18 offers the second ventilation opening 20, and the outer wall of transponder ontology 1 is opened
Equipped with the first ventilation opening 12, ventilation opening is offered in two sides, and ventilation opening is two layers, formation interlocks, and effectively provides preferably
Heat dissipation, while also preventing the entrance of dust, which solves the heat dissipations of existing 5G satellite mobile communication signal repeater to imitate
The bad problem of fruit, while also solving the problems, such as that the dust for solving to generate after poor heat radiation enters, the two sides of transponder ontology 1
It is fixedly installed with fixed plate 21, there are four the quantity of fixed plate 21, and four fixed plates 21 are evenly distributed in the form of symmetrical to be turned
The two sides of device ontology 1 are sent out, the middle part of fixed plate 21 offers through hole 22, and the top of transponder ontology 1 is fixedly installed with reception
Device 2, arc panel 3 and indicator light 4, by the top of 5G satellite mobile communication signal repeater arc panel 3, and arc are installed
Plate 3 is located at the side of its transmitter, which can concentrate the signal of transponder, enhances its using effect, the number of receiver 2
There are two amounts, and two receivers 2 are respectively positioned on the inside of arc panel 3, and receiver 2 is located at the inside of arc panel 3, and indicator light 4
In the rear of receiver 2, the outer wall of transponder ontology 1 offers connector 5, and the inner wall of connector 5 offers sliding slot 17 and ring
Shape sliding slot 16, and annular groove 16 is located at the right side of sliding slot 17, connector 5 and inner connector ports 19 are adapted, connector 5
Inner cavity is fixedly installed with connection the end of a thread 6, and the outer wall of connection the end of a thread 6 is fixedly installed with connecting column 15, and the other end of connecting column 15 is solid
Surely it is connected with contact block 14, there are four the quantity of contact block 14 and sliding slot 17 is equal, four contact blocks 14 and sliding slot 17 are with connecting line
First 6 central point is formed symmetrically, and contact block 14 and sliding slot 17 are adapted, by installing contact block 14 on the top of connection the end of a thread 6,
Original connection the end of a thread 6 is directly connected with connector 5, is changed to and is connected by contact block 14, is stablized not influencing contact
Property in the case where reduce its contact area, while also reducing its heating surface area, which effectively reduces the heated of equipment
Area is fixedly connected with connecting line 7 with the other end for connecting the end of a thread 6, and the other end of connecting line 7 is fixedly connected with transmitter 10,
The outer surface of transmitter 10 has been fixedly attached limit plate 9, and the two sides of 9 outer wall of limit plate offer fixed card interface 8, which will
Transmitter is fixed on coping, prevents transmitter from falling and causes equipment damage, provides safety guarantee for equipment.
Working principle, after equipment is connect by inner connector ports 19 and connector 5 with other equipment, by setscrew
Transponder ontology 1 is fixed on metope, by the way that setscrew is caught in through hole 22 in equipment work by the inside for squeezing into wall
It drives cooling fin 13 to work at the same time while work, the contact block 14 for connecting 6 top of the end of a thread is caught in connector, in rotation connection line
First 6.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of 5G satellite mobile communication signal repeater, including transponder ontology (1), it is characterised in that: the transponder sheet
It is fixedly installed in the middle part of body (1) silicon plate (11), is fixedly connected with inner connector ports (19), institute on the left of the silicon plate (11)
The outer wall for stating silicon plate (11) is fixedly installed with cooling fin (13), and the inner cavity of the transponder ontology (1) is fixedly installed with U-shaped board
(18), and U-shaped board (18) is located at the outside of silicon plate (11), and the outer wall of the U-shaped board (18) offers the second ventilation opening (20), institute
The outer wall for stating transponder ontology (1) offers the first ventilation opening (12), and the two sides of the transponder ontology (1) are fixedly installed with
Fixed board (21) offers through hole (22) in the middle part of the fixed plate (21), and the top of the transponder ontology (1) is fixedly mounted
There are receiver (2), arc panel (3) and indicator light (4), and receiver (2) is located at the inside of arc panel (3), indicator light (4) is located at
The outer wall at the rear of receiver (2), the transponder ontology (1) offers connector (5), and the inner wall of the connector (5) is opened
Equipped with sliding slot (17) and annular groove (16), and annular groove (16) is located at the right side of sliding slot (17), the connector (5) and interior
Portion connectivity port (19) is adapted, and the inner cavity of the connector (5) is fixedly installed with connection the end of a thread (6), the connection the end of a thread (6)
Outer wall be fixedly installed with connecting column (15), the other end of the connecting column (15) is fixedly connected with contact block (14), described to connect
Contact block (14) and sliding slot (17) are adapted, and are fixedly connected with connecting line (7), the company with the other end of connection the end of a thread (6)
The other end of wiring (7) is fixedly connected with transmitter (10), and the outer surface of the transmitter (10) has been fixedly attached limit plate
(9), the two sides of limit plate (9) outer wall offer fixed card interface (8).
2. a kind of 5G satellite mobile communication signal repeater according to claim 1, it is characterised in that: the receiver
(2) there are two quantity, and two receivers (2) are respectively positioned on the inside of arc panel (3).
3. a kind of 5G satellite mobile communication signal repeater according to claim 1, it is characterised in that: the internal connection
There are four the quantity of port (19) and connector (5) is equal, distance between four inner connector ports (19) and connector (5)
It is equal.
4. a kind of 5G satellite mobile communication signal repeater according to claim 1, it is characterised in that: the transponder sheet
The two sides of body (1) offer the first ventilation opening (12), and the quantity of first ventilation opening (12) has 12, described in 12
Outer wall of first ventilation opening (12) with symmetrical formal distribution in transponder ontology (1).
5. a kind of 5G satellite mobile communication signal repeater according to claim 1, it is characterised in that: the fixed plate
(21) there are four quantity, and four fixed plates (21) are evenly distributed on the two sides of transponder ontology (1) in the form of symmetrical.
6. a kind of 5G satellite mobile communication signal repeater according to claim 1, it is characterised in that: the cooling fin
(13) there are three quantity, three of them cooling fin (13) is located at three side walls of silicon plate (11).
7. a kind of 5G satellite mobile communication signal repeater according to claim 1, it is characterised in that: the contact block
(14) and the quantity of sliding slot (17) it is equal there are four, four contact blocks (14) and sliding slot (17) are to connect the centers of the end of a thread (6)
Dot is at symmetrical.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910441838.7A CN110166111B (en) | 2019-05-24 | 2019-05-24 | 5G satellite mobile communication signal transponder |
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CN201910441838.7A CN110166111B (en) | 2019-05-24 | 2019-05-24 | 5G satellite mobile communication signal transponder |
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CN110166111A true CN110166111A (en) | 2019-08-23 |
CN110166111B CN110166111B (en) | 2021-08-31 |
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ID=67632856
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Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020056904A1 (en) * | 1998-08-31 | 2002-05-16 | Yoshinori Miyaki | Semiconductor device and method of fabricating the same |
CN103777232A (en) * | 2014-02-20 | 2014-05-07 | 武汉大学 | Deep rock mass rock blasting forecasting and early warning method based on blast vibration monitoring |
US20140302193A1 (en) * | 2013-04-09 | 2014-10-09 | Otto Manner Innovation Gmbh | Heater and thermocouple assembly |
CN204442362U (en) * | 2015-03-19 | 2015-07-01 | 湖南澳德信息科技有限公司 | A kind of signal repeater system |
CN106816737A (en) * | 2015-11-30 | 2017-06-09 | 泰科电子(上海)有限公司 | Connection terminal and coupling assembly |
CN107306363A (en) * | 2016-04-25 | 2017-10-31 | 香江科技股份有限公司 | A kind of outdoor communication cabinets for corroding function with haze |
CN207602633U (en) * | 2017-12-26 | 2018-07-10 | 四川航越航空科技有限责任公司 | A kind of battery case |
CN108281749A (en) * | 2018-01-23 | 2018-07-13 | 宫长河 | A kind of train for railway traffic communication identifies antenna |
CN207638292U (en) * | 2017-10-12 | 2018-07-20 | 威腾电气集团股份有限公司 | A kind of high voltage bus Special heat dissipating type bus duct |
CN109273634A (en) * | 2018-09-27 | 2019-01-25 | 叶青雄 | A kind of lantern ring for the anti-electric heating of wiring styletable around electric automobile battery box |
TWI651112B (en) * | 2016-11-01 | 2019-02-21 | 日商山田製作所有限公司 | Plug connector |
CN208862589U (en) * | 2018-08-08 | 2019-05-14 | 江苏玖宇实业有限公司 | A kind of heat dissipation type onboard charger |
-
2019
- 2019-05-24 CN CN201910441838.7A patent/CN110166111B/en active Active
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020056904A1 (en) * | 1998-08-31 | 2002-05-16 | Yoshinori Miyaki | Semiconductor device and method of fabricating the same |
US20140302193A1 (en) * | 2013-04-09 | 2014-10-09 | Otto Manner Innovation Gmbh | Heater and thermocouple assembly |
CN103777232A (en) * | 2014-02-20 | 2014-05-07 | 武汉大学 | Deep rock mass rock blasting forecasting and early warning method based on blast vibration monitoring |
CN204442362U (en) * | 2015-03-19 | 2015-07-01 | 湖南澳德信息科技有限公司 | A kind of signal repeater system |
CN106816737A (en) * | 2015-11-30 | 2017-06-09 | 泰科电子(上海)有限公司 | Connection terminal and coupling assembly |
CN107306363A (en) * | 2016-04-25 | 2017-10-31 | 香江科技股份有限公司 | A kind of outdoor communication cabinets for corroding function with haze |
TWI651112B (en) * | 2016-11-01 | 2019-02-21 | 日商山田製作所有限公司 | Plug connector |
CN207638292U (en) * | 2017-10-12 | 2018-07-20 | 威腾电气集团股份有限公司 | A kind of high voltage bus Special heat dissipating type bus duct |
CN207602633U (en) * | 2017-12-26 | 2018-07-10 | 四川航越航空科技有限责任公司 | A kind of battery case |
CN108281749A (en) * | 2018-01-23 | 2018-07-13 | 宫长河 | A kind of train for railway traffic communication identifies antenna |
CN208862589U (en) * | 2018-08-08 | 2019-05-14 | 江苏玖宇实业有限公司 | A kind of heat dissipation type onboard charger |
CN109273634A (en) * | 2018-09-27 | 2019-01-25 | 叶青雄 | A kind of lantern ring for the anti-electric heating of wiring styletable around electric automobile battery box |
Non-Patent Citations (1)
Title |
---|
范利娟: "便携式卫星通信控制系统研究与设计", 《中国优秀硕士学位论文全文数据库-信息科技辑》 * |
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