CN204316501U - A kind of complete polarization satellite communication earth station - Google Patents
A kind of complete polarization satellite communication earth station Download PDFInfo
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- CN204316501U CN204316501U CN201520010605.9U CN201520010605U CN204316501U CN 204316501 U CN204316501 U CN 204316501U CN 201520010605 U CN201520010605 U CN 201520010605U CN 204316501 U CN204316501 U CN 204316501U
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Abstract
The utility model proposes a kind of complete polarization satellite communication earth station, comprise: receiving branch equipment, the first and second antenna receiving end mouths, radio frequency unit, low-converter, the first and second control units, intermediate frequency unit, modulator-demodulator, upconverter, high power amplifier unit, transmitting branch equipment, the first and second antennas are made a start mouth, wherein, the input of receiving branch equipment is connected to the first and second antenna receiving end mouths, and the control end of receiving branch equipment is connected to the first control unit; The input of transmitting branch equipment connects the output of paramount power amplifier unit, the control end of transmitting branch equipment is connected to the second control unit, and the output of transmitting branch equipment is connected to the first and second antennas and makes a start mouth to send the perpendicular polarization signal after intermediate frequency process or right hand signal.The utility model adds the electricity of linear polarization mode and circular polarization mode and adjusts handoff functionality, adds the complete polarization communication equipment of receiving branch and transmitting branch in satellite communication earth station.
Description
Technical field
The utility model relates to technical field of communication equipment, particularly a kind of complete polarization satellite communication earth station.
Background technology
In satellite communication, domestic use satellite is all generally linear polarization.Linear polarization comprises mutually orthogonal horizontal and vertical two kinds of polarization modes.C band transponder many employings double-circle polarization multiplex mode of International Satellite Organization, circular polarization comprises mutually orthogonal left-handed and dextrorotation two kinds of polarization modes.Domsat communication earth station is used for the reception of satellite-signal and transmission, its transmitting-receiving polarization mode be receipts level send out vertical or flood flat receive vertical.Existing domsat communication earth station generally can only realize a kind of mode, cannot meet the requirement that satellite communication earth station can use domsat and international satellite to realize complete polarization to communicate.
In addition, defend at home in way system, transmitting branch is connected to the mouth of making a start on a wherein road of antenna by waveguide, according to the difference of leased satellite polarization mode, satellite earth station realizes launching the switching between perpendicular polarization and horizontal polarization signals by rotary antenna feed system.Usually due to long-time non-scanning antenna feed system, getting rusty or other reason of feed system inner structural members, cause satellite communication system when needs change polarizations mode (level becomes and vertically or vertically becomes level), feed system rotates the situations such as dumb, not in place.
Utility model content
The purpose of this utility model is intended at least solve one of described technological deficiency.
For this reason, the purpose of this utility model is to propose a kind of complete polarization satellite communication earth station.
To achieve these goals, embodiment of the present utility model provides a kind of complete polarization satellite communication earth station, comprise: receiving branch equipment, first antenna receiving end mouth, second antenna receiving end mouth, radio frequency unit, low-converter, first control unit, intermediate frequency unit, modulator-demodulator, upconverter, high power amplifier unit, second control unit, transmitting branch equipment, make a start mouth and the second antenna of first antenna is made a start mouth, wherein, the input of described receiving branch equipment is connected to the first antenna receiving end mouth to receive horizontal polarization signals from satellite or left-handed signal, and be connected to the second antenna receiving end mouth to receive from the perpendicular polarization signal of satellite or right hand signal, the control end of described receiving branch equipment is connected to the first control unit, the input of described radio frequency unit is connected to the output of described receiving branch equipment, the input of described low-converter is connected to the output of described radio frequency unit by feeder line, the output of described low-converter is connected to intermediate frequency unit, described modulator-demodulator communicates with described intermediate frequency unit, the output of described intermediate frequency unit is connected to the input of described upconverter, the output of described upconverter is connected to the input of described high power amplifier unit by feeder line, the input of described transmitting branch equipment is connected to the output of described high power amplifier unit, the control end of described transmitting branch equipment is connected to the second control unit, the output of described transmitting branch equipment is connected to the first antenna and makes a start mouth to send the horizontal polarization signals after intermediate frequency process or left-handed signal, and is connected to the second antenna and makes a start mouth to send the perpendicular polarization signal after intermediate frequency process or right hand signal.
In an embodiment of the present utility model, described receiving branch equipment comprises: the first and second waveguide switches, the first input end of described first wave guide switch is connected to described first antenna receiving end mouth, second input of described first wave guide switch is connected to the first load equipment, first output of described first wave guide switch is connected to the second input of described second waveguide switch, the first input end of described second waveguide switch is connected to described second antenna receiving end mouth, and the control end of described first and second waveguide switches is connected to described first control unit;
First and second LNA equipment, the input of a described LNA equipment is connected to the second output of described first wave guide switch, and the input of described 2nd LNA equipment is connected to the second output of described second waveguide switch;
Backup LNA equipment, the input of described backup LNA equipment is connected to the first output of described second waveguide switch;
First and second signaling switches, the first input end of described first signaling switch is connected to the output of a described LNA equipment, second input of described first signaling switch is connected to the second load equipment, the first input end of described secondary signal switch is connected to the output of described 2nd LNA equipment, second input of described secondary signal switch is connected to the first output of described first signaling switch, 3rd input of described secondary signal switch is connected to the output of described backup LNA equipment, second output of described first and second signaling switches is all connected to the input of described radio frequency unit.
In an embodiment of the present utility model, described first control unit comprises: first wave guide switch, linkage unit, first switch controller, signal shifter, supply module and monitoring module, wherein, the output of described first switch controller is connected to the input of described first wave guide switch and the input of described signal shifter, the output of described first wave guide switch is connected to the control end of described first and second waveguide switches, the output of described signal shifter is connected to the control end of described first and second signaling switches, described linkage unit is connected to described first wave guide switch, the output of described supply module is connected to described first wave guide switch, linkage unit, first switch controller, signal shifter and described monitoring module.
In an embodiment of the present utility model, described transmitting branch equipment comprises: the 3rd waveguide switch, described 3rd waveguide switch comprises the first and second inputs, the first and second outputs, control end, wherein, described first input end is connected to the 3rd load equipment, described second input is connected to described high power amplifier unit, described first output is connected to described first antenna and makes a start mouth, described second output is connected to described second antenna and makes a start mouth, and described control end is connected to described second control unit.
In an embodiment of the present utility model, described second control unit comprises: the second waveguide switch and the second switch controller, wherein, the output of described second switch controller is connected to the input of described second waveguide switch, and the output of described second waveguide switch is connected to the control end of described 3rd waveguide switch.
According to the complete polarization satellite communication earth station of the utility model embodiment, meet satellite communication earth station can use domsat and international satellite and realize complete polarization and communicate, the electricity adding linear polarization mode and circular polarization mode in satellite communication earth station is adjusted handoff functionality, is added the complete polarization communication equipment of receiving branch and transmitting branch, solves feed system and rotates problem dumb, not in place.
The aspect that the utility model is additional and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structure chart of the complete polarization satellite communication earth station according to the utility model embodiment;
Fig. 2 is the schematic diagram receiving satellite complete polarization signal according to the receiving branch equipment of the utility model embodiment;
Fig. 3 is the schematic diagram of the transmitting branch equipment complete polarization signal radiation pattern according to the utility model embodiment.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
The utility model proposes a kind of complete polarization satellite communication earth station, there is receiving branch and transmitting branch simultaneously, can and central station between build satellite communication link, realize high speed data transfer business.Complete polarization satellite communication earth station of the present utility model can provide the manual/electric of satellite communication system line circular polarization to adjust handoff functionality.
Because satellite communication earth station uses the uncertainty (domestic satellite (DOMSAT) or international communication) of satellite, its polarization used may be linear polarization, is also likely circular polarization.In order to adapt to possible change demand, in complete polarization satellite communication earth station, the feed network part of antenna being improved, adds the transmission-receiving function of antenna circularly polarized signal.Manually/electricity is adjusted and is switched, and realizes the exchange of satellite communication system center line circular polarization, guarantees that satellite communication system can meet instructions for use under the arbitrary polarization mode using domsat or international satellite.
As shown in Figure 1, the complete polarization satellite communication earth station of the utility model embodiment, comprising: make a start mouth 13 and the second antenna of receiving branch equipment 1, first antenna receiving end mouth 2, second antenna receiving end mouth 3, radio frequency unit 4, low-converter 5, first control unit 6, intermediate frequency unit 7, modulator-demodulator 8, upconverter 9, high power amplifier unit 10, second control unit 11, transmitting branch equipment 12, first antenna is made a start mouth 14.
Particularly, the input of receiving branch equipment 1 is connected to the first antenna receiving end mouth 2, receives the horizontal polarization signals from satellite or left-handed signal.The input of receiving branch equipment 1 is also connected to the second antenna receiving end mouth 3, receives the perpendicular polarization signal from satellite or right hand signal.The control end of receiving branch equipment is connected to the first control unit 6.
As shown in Figure 2, receiving branch equipment 1 comprises: first wave guide switch 15, second waveguide switch 16, a LNA equipment 17, the 2nd LNA equipment 18, backup LNA equipment 19, first signaling switch 20 and secondary signal switch 21
The first input end P1 of first wave guide switch 15 is connected to described first antenna receiving end mouth, second input P2 of described first wave guide switch is connected to the first load equipment 22, first output Q1 of first wave guide switch is connected to the second input P4 of the second waveguide switch, the first input end P3 of the second waveguide switch is connected to the second antenna receiving end mouth, and control end C1 and C2 of the first and second waveguide switches is connected to the first control unit 6.
The input of the one LNA equipment 17 is connected to the second output Q2 of first wave guide switch 15, and the input of the 2nd LNA equipment 18 is connected to the second output Q3 of the second waveguide switch 16.
The input of backup LNA equipment 19 is connected to the first output Q4 of the second waveguide switch 16.The Hot Spare realizing a LNA equipment 17, the 2nd LNA equipment 18 by 2:1LNA switch and the first control unit 6 by backup LNA equipment 19.
The first input end P5 of the first signaling switch 20 is connected to the output of a LNA equipment 17, and the second input P6 of the first signaling switch 20 is connected to the second load equipment 23.The first input end P7 of secondary signal switch 21 is connected to the output of the 2nd LNA equipment 18, second input P8 of secondary signal switch 21 is connected to the first output Q5 of the first signaling switch 20,3rd input P9 of secondary signal switch 21 is connected to the output of backup LNA equipment 19, and the second output Q6 and Q7 of the first and second signaling switches is all connected to the input of radio frequency unit 4.
Wherein, LNA equipment 17 output level polarization (left-handed) signal, the 2nd LNA equipment 18 exports perpendicular polarization (dextrorotation) signal.
First control unit 6 comprises: first wave guide switch 24, linkage unit 25, first switch controller 26, signal shifter 27, supply module 28 and monitoring module 29, wherein, the output of the first switch controller 26 is connected to the input of first wave guide switch 24 and the input of signal shifter 27.The output of first wave guide switch 24 is connected to control end C1 and C2 of the first and second waveguide switches, and the output of signal shifter 27 is connected to control end C3 and C4 of the first and second signaling switches.Linkage unit 25 is connected to first wave guide switch 24, and the output of supply module 28 is connected to first wave guide switch 24, linkage unit 25, first switch controller 26, signal shifter 27 and monitoring module 29.
In an embodiment of the present utility model, supply module 28 can provide 12V supply power voltage.
The input of radio frequency unit 4 is connected to the output of receiving branch equipment 1, the signal of two kinds of different polarization modes is connected to indoor radio frequency unit 4 by feeder line, radio frequency unit 4 receives the complete polarization signal exported from receiving branch equipment 1, distributes this complete polarization signal and uses.The input of low-converter 5 is connected to the output of radio frequency unit 4 by feeder line, the output of low-converter 5 is connected to intermediate frequency unit 7.Modem 8 communicates with intermediate frequency unit 7.
Receiving branch equipment 1 can meet horizontal polarization (left-handed) signal and perpendicular polarization (dextrorotation) signal that satellite communication earth station can receive satellite, and revenue and expenditure road adopts complete polarization receive mode.The receiving function of revenue and expenditure road complete polarization in satellite communication system is realized by above-mentioned configuration.
The output of intermediate frequency unit 7 is connected to the input of upconverter 9.The output of upconverter 9 connects the input of paramount power amplifier unit 10 by feeder line.
For a change satellite communication system is when needs change polarizations mode (level becomes and vertically or vertically becomes level), feed system rotates this situation dumb, not in place, and the branch road of sending out of complete polarization satellite communication earth station of the present utility model adopts complete polarization signal radiation pattern.
Particularly, the input of transmitting branch equipment 12 connects the output of paramount power amplifier unit 10, and the control end of transmitting branch equipment 12 is connected to the second control unit 11.The output of transmitting branch equipment 12 is connected to the first antenna and makes a start mouth 13, sends the horizontal polarization signals after intermediate frequency process or left-handed signal.The output of transmitting branch equipment 12 is also connected to the second antenna and makes a start mouth 14, sends the perpendicular polarization signal after intermediate frequency process or right hand signal.
As shown in Figure 3, transmitting branch equipment 12 comprises: the 3rd waveguide switch 30,3rd waveguide switch 30 comprises first input end P10, the second input P11, the first output Q8 and the second output Q9, control end C5, wherein, first input end P10 is connected to the 3rd load equipment 31, second input P11 connects paramount power amplifier unit 10, first output Q8 is connected to the first antenna and makes a start mouth 13, second output Q9 is connected to the second antenna and makes a start mouth 14, and control end C5 is connected to the second control unit 11.
Second control unit 11 comprises: the second waveguide switch 32 and the second switch controller 33, wherein, the output of the second switch controller 33 is connected to the input of the second waveguide switch 32, and the output of the second waveguide switch 32 is connected to the control end C5 of the 3rd waveguide switch 30.
Particularly, the radiofrequency signal from upconverter 9 by feed-line is sent to the 3rd waveguide switch 30 by waveguide by high power amplifier unit 10.According to used satellite polarization mode, control the 3rd waveguide switch 30 by the second control unit 11 and carry out switching the polarization mode selecting to send out branch road, thus make radiofrequency signal be sent to the corresponding port of antenna (horizontal polarization port or perpendicular polarization port), realize sending out branch road complete polarization signal radiation pattern.
According to the complete polarization satellite communication earth station of the utility model embodiment, meet satellite communication earth station can use domsat and international satellite and realize complete polarization and communicate, the electricity adding linear polarization mode and circular polarization mode in satellite communication earth station is adjusted handoff functionality, is added the complete polarization communication equipment of receiving branch and transmitting branch, solves feed system and rotates problem dumb, not in place.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment when not departing from principle of the present utility model and aim, revising, replacing and modification in scope of the present utility model.Scope of the present utility model is by claims extremely equivalency.
Claims (5)
1. a complete polarization satellite communication earth station, it is characterized in that, comprise: make a start mouth and the second antenna of receiving branch equipment, the first antenna receiving end mouth, the second antenna receiving end mouth, radio frequency unit, low-converter, the first control unit, intermediate frequency unit, modulator-demodulator, upconverter, high power amplifier unit, the second control unit, transmitting branch equipment, the first antenna is made a start mouth, wherein
The input of described receiving branch equipment is connected to the first antenna receiving end mouth to receive horizontal polarization signals from satellite or left-handed signal, and being connected to the second antenna receiving end mouth to receive from the perpendicular polarization signal of satellite or right hand signal, the control end of described receiving branch equipment is connected to the first control unit;
The input of described radio frequency unit is connected to the output of described receiving branch equipment;
The input of described low-converter is connected to the output of described radio frequency unit by feeder line, the output of described low-converter is connected to intermediate frequency unit;
Described modulator-demodulator communicates with described intermediate frequency unit;
The output of described intermediate frequency unit is connected to the input of described upconverter;
The output of described upconverter is connected to the input of described high power amplifier unit by feeder line;
The input of described transmitting branch equipment is connected to the output of described high power amplifier unit, the control end of described transmitting branch equipment is connected to the second control unit, the output of described transmitting branch equipment is connected to the first antenna and makes a start mouth to send the horizontal polarization signals after intermediate frequency process or left-handed signal, and is connected to the second antenna and makes a start mouth to send the perpendicular polarization signal after intermediate frequency process or right hand signal.
2. complete polarization satellite communication earth station as claimed in claim 1, it is characterized in that, described receiving branch equipment comprises:
First and second waveguide switches, the first input end of described first wave guide switch is connected to described first antenna receiving end mouth, second input of described first wave guide switch is connected to the first load equipment, first output of described first wave guide switch is connected to the second input of described second waveguide switch, the first input end of described second waveguide switch is connected to described second antenna receiving end mouth, and the control end of described first and second waveguide switches is connected to described first control unit;
First and second LNA equipment, the input of a described LNA equipment is connected to the second output of described first wave guide switch, and the input of described 2nd LNA equipment is connected to the second output of described second waveguide switch;
Backup LNA equipment, the input of described backup LNA equipment is connected to the first output of described second waveguide switch;
First and second signaling switches, the first input end of described first signaling switch is connected to the output of a described LNA equipment, second input of described first signaling switch is connected to the second load equipment, the first input end of described secondary signal switch is connected to the output of described 2nd LNA equipment, second input of described secondary signal switch is connected to the first output of described first signaling switch, 3rd input of described secondary signal switch is connected to the output of described backup LNA equipment, second output of described first and second signaling switches is all connected to the input of described radio frequency unit.
3. complete polarization satellite communication earth station as claimed in claim 2, it is characterized in that, described first control unit comprises: first wave guide switch, linkage unit, first switch controller, signal shifter, supply module and monitoring module, wherein, the output of described first switch controller is connected to the input of described first wave guide switch and the input of described signal shifter, the output of described first wave guide switch is connected to the control end of described first and second waveguide switches, the output of described signal shifter is connected to the control end of described first and second signaling switches, described linkage unit is connected to described first wave guide switch, the output of described supply module is connected to described first wave guide switch, linkage unit, first switch controller, signal shifter and described monitoring module.
4. complete polarization satellite communication earth station as claimed in claim 1, it is characterized in that, described transmitting branch equipment comprises: the 3rd waveguide switch, described 3rd waveguide switch comprises the first and second inputs, the first and second outputs, control end, wherein, described first input end is connected to the 3rd load equipment, described second input is connected to described high power amplifier unit, described first output is connected to described first antenna and makes a start mouth, described second output is connected to described second antenna and makes a start mouth, and described control end is connected to described second control unit.
5. complete polarization satellite communication earth station as claimed in claim 4, it is characterized in that, described second control unit comprises: the second waveguide switch and the second switch controller, wherein, the output of described second switch controller is connected to the input of described second waveguide switch, and the output of described second waveguide switch is connected to the control end of described 3rd waveguide switch.
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| CN201520010605.9U CN204316501U (en) | 2015-01-08 | 2015-01-08 | A kind of complete polarization satellite communication earth station |
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| CN201520010605.9U CN204316501U (en) | 2015-01-08 | 2015-01-08 | A kind of complete polarization satellite communication earth station |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105119576A (en) * | 2015-08-26 | 2015-12-02 | 中国电子科技集团公司第二十七研究所 | S-band continuous-wave solid-state high power amplification device |
| CN105203805A (en) * | 2015-07-17 | 2015-12-30 | 上海卫星工程研究所 | Wired transmission support equipment for data transmitting radio-frequency signals in vacuum thermal environment |
| CN107422325A (en) * | 2017-09-15 | 2017-12-01 | 中鸿瑞达（厦门）科技有限公司 | A kind of complete polarization ground polarization sensitive synthetic aperture radar system |
| WO2019080282A1 (en) * | 2017-10-24 | 2019-05-02 | 广州程星通信科技有限公司 | Satellite communication transceiver duplex system and front-end feed system |
| CN112664886A (en) * | 2020-12-29 | 2021-04-16 | 海洋王（东莞）照明科技有限公司 | Fire-fighting lamp |
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2015
- 2015-01-08 CN CN201520010605.9U patent/CN204316501U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105203805A (en) * | 2015-07-17 | 2015-12-30 | 上海卫星工程研究所 | Wired transmission support equipment for data transmitting radio-frequency signals in vacuum thermal environment |
| CN105119576A (en) * | 2015-08-26 | 2015-12-02 | 中国电子科技集团公司第二十七研究所 | S-band continuous-wave solid-state high power amplification device |
| CN105119576B (en) * | 2015-08-26 | 2018-06-26 | 中国电子科技集团公司第二十七研究所 | A kind of S frequency ranges continuous wave solid high power discharge device |
| CN107422325A (en) * | 2017-09-15 | 2017-12-01 | 中鸿瑞达（厦门）科技有限公司 | A kind of complete polarization ground polarization sensitive synthetic aperture radar system |
| WO2019080282A1 (en) * | 2017-10-24 | 2019-05-02 | 广州程星通信科技有限公司 | Satellite communication transceiver duplex system and front-end feed system |
| CN112664886A (en) * | 2020-12-29 | 2021-04-16 | 海洋王（东莞）照明科技有限公司 | Fire-fighting lamp |
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