CN202551016U - Emission control system for antenna of satellite communication system in motion - Google Patents
Emission control system for antenna of satellite communication system in motion Download PDFInfo
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- CN202551016U CN202551016U CN2012202245391U CN201220224539U CN202551016U CN 202551016 U CN202551016 U CN 202551016U CN 2012202245391 U CN2012202245391 U CN 2012202245391U CN 201220224539 U CN201220224539 U CN 201220224539U CN 202551016 U CN202551016 U CN 202551016U
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- power amplifier
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- antenna controller
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Abstract
The utility model discloses an emission control system for an antenna of a satellite communication system in motion. The emission control system comprises a modem, an uplink power amplifier and an antenna controller, wherein the modem is connected with the antenna controller through the input terminal of a radio-frequency (RF) emission interface on one hand and connected with the antenna controller through a signal interface on the other hand, the antenna controller is connected with the uplink power amplifier through the output terminal of the RF emission interface, and the uplink power amplifier is used for amplifying the power of modulated information and then transmitting the modulated information to a communication satellite. When sheltering objects exist on a straight line between the antenna and the satellite or the antenna does not aim at a target satellite, the antenna controller can determine that the antenna is in a lock losing state and stop supplying power to the output terminal of the RF emission interface, and the uplink power amplifier does not transmit high-frequency electromagnetic waves any longer; and when the antenna is not required for emitting a carrier, the antenna controller can stop supplying power to the output terminal of the RF emission interface, and the work of the uplink power amplifier is stopped.
Description
Technical field
The utility model relates to satellite communication field, particularly the emission control field of communication in moving antenna.
Background technology
In satellite communication field, be positioned at the satellite antenna of earth surface and aerial satellite and communicate, thereby realize various information such as the video at ground station satellite antenna place, voice, data are transferred to another or a plurality of satellite antennas place via satellite.In satellite communication, satellite antenna must point to the satellite that communicates with self constantly, and through modulator-demodulator (MODEM) various information is modulated to the radio communication frequency range, and is emitted to the communication satellite place through ascending power amplifier (BUC).
Communication in moving is the abbreviation of " the ground satellite station communication system in moving ".The communication in moving satellite antenna is mounted in the antenna on the motion carrier, is equipped with quick, intelligent servo system.Carrier is in when motion, and servo system makes the satellite of antenna in still accurately pointing into the sky.During carrier movement, antenna with respect to carrier also in motion (in order to keep pointing to aerial target satellite), like this, antenna surface will inswept carrier on or some zones on the carrier limit.Like carrier is ship, antenna may be inswept the deck overhead; Like carrier is car, the building that antenna may inswept next door or adjacent than its high vehicle.When antenna inswept these regional the time, the power amplifier of antenna is opened, just antenna maintains emission state, under this state, the electromagnetic wave of its emission has radiation injury to human body.And after antenna is blocked; The communication in moving antenna can carry out again the process of search of satellite (with the theoretical position is the center, does the circus movement that enlarges gradually), and its inswept zone can be bigger like this; And present communication in moving antenna has only a total ascending power amplifier power switch; After the ascending power amplifier had electricity, antenna just was in emission state, so antenna causes radiation injury to biology on every side possibly in search procedure.In addition, antenna is not to be the launching electromagnetic wave that does not stop at a moment yet, and having only just needs emission when the signal input is arranged in the modulator-demodulator.And the ascending power amplifier in the existing communication in moving antenna has the signal that need not launch all to be in power supply state always, and the use of power supply has been caused great waste.
Summary of the invention
The purpose of the utility model is to overcome the above-mentioned shortcoming that existing communication in moving antenna exists, and proposes a kind of launch control system of communication in moving antenna, makes it possess following function:
The first, when antenna is blocked by people or building, or because other reasons when not aiming at the mark satellite, antenna promptly gets into out-of-lock condition, closes the power supply of ascending power amplifier;
The second, when communication system need not launched information, when the MODEM modulation is closed, close the power supply of ascending power amplifier.
To achieve these goals, the utility model provides a kind of launch control system of communication in moving antenna, comprise modulator-demodulator, ascending power amplifier and antenna controller; Said modulator-demodulator links to each other with said antenna controller through the input of radio-frequency transmissions interface; Be sent to said antenna controller after being modulated to the radio communication frequency range in order to the information that will launch; In addition; Said modulator-demodulator also links to each other with said antenna controller through signaling interface, informs antenna controller in order to will have or not the state of emission at present; Said antenna controller control antenna is implemented tracking satellite, and its output through the radio-frequency transmissions interface links to each other with said ascending power amplifier, and said ascending power amplifier will be sent to communication satellite after will being modulated at the information power amplification of radio communication frequency range.
The launch control system of a kind of communication in moving antenna that the utility model proposes, wherein, said antenna controller inside also comprises a processor unit, said processor unit links to each other with said radio frequency interface with said signaling interface.
The launch control system of a kind of communication in moving antenna that the utility model proposes, wherein, said signaling interface is RJ45 network interface or binding post.
The beneficial effect of the utility model is; The first,, antenna gets into out-of-lock condition when not aiming at the mark satellite, and ascending power amplifier (BUC) power supply is closed; Launching electromagnetic wave no longer, the chance that possibly damage organism on every side when having reduced the antenna emission; The second, on the carrier of activity, electric quantity of power supply is limited, and its power supply source is generally gasoline, diesel engine generator or storage battery.Generally speaking in satellite antenna system, only the ascending power amplifier has just accounted for the 50%-60% of gross power.And the utility model is only just opened the power supply to the ascending power amplifier when needs are launched, and has therefore optimized the service efficiency of power supply greatly.
Description of drawings
Fig. 1 is the structured flowchart of the utility model.
Description of reference numerals: 1-antenna controller; The 11-processor unit; The 12-signaling interface; 13-radio-frequency transmissions interface; An input of A-radio-frequency transmissions interface; The output of B-radio-frequency transmissions interface; 2-ascending power amplifier; The 3-modulator-demodulator.
Embodiment
Below in conjunction with accompanying drawing, do more detailed explanation with other technical characterictic and advantage to the utility model is above-mentioned.
As shown in Figure 1, the launch control system of a kind of communication in moving antenna that the utility model proposes comprises antenna controller 1, modulator-demodulator 3 and ascending power amplifier 2.Said antenna controller 1 is the equipment that the staff uses operation communication in moving antenna.Said modulator-demodulator 3 is signal sources, behind the input A entering antenna controller 1 of its signal of communication by radio-frequency transmissions interface 13, offers ascending power amplifier 3 with power supply signal through the radio frequency cable at the output B place of radio-frequency transmissions interface 13.Modulator-demodulator 3 links to each other with antenna controller 1 through signaling interface 12, and the state information of MODEM, like the switch of emission carrier wave, the locking of reception carrier receives signal strength signal intensity, and signal to noise ratio etc. send antenna controller 1 to.Wherein said signaling interface 12 can be the RJ45 network interface, also can be binding post, and generally both can not use simultaneously.Said ascending power amplifier 3 links to each other with antenna controller 1 through radio-frequency transmissions interface output, in order to the electromagnetic wave of outside emission through power amplification.
Wherein also comprise a processor unit 11 in the antenna controller 1; Output B with signaling interface 12 and radio-frequency transmissions interface 13 links to each other respectively, controls the power supply electric power thus supplied of ascending power amplifier 2 in order to the status signal of receiving modem 3 and through the output B of radio-frequency transmissions interface 13.
Before antenna carries out the ferret out satellite, the 11 li parameters that prestored the satellite carrier that needs reception in antenna controller 1 processor inside unit.The satellite carrier parameter that antenna prestores in constantly with the signal that receives and processor unit 11 in search is compared, and whether accurately points to satellite with definite antenna.When having occurred shelter or other reasons antenna not to last target satellite on the straight line between antenna and the satellite, the satellite carrier parameter that prestores in signal that antenna receives and the processor unit 11 does not match, and then antenna gets into out-of-lock condition.At this moment, the processor unit 11 of antenna controller 1 will stop the power supply to the output B of radio-frequency transmissions interface 13, and the ascending power amplifier 2 that links to each other with the output B of radio-frequency transmissions interface 13 so just can not launched the electromagnetic wave of high frequency; Treat on day line following that after the satellite, antenna condition becomes locking from losing lock, the processor unit 11 of antenna controller 1 will recover the power supply to the output B of radio-frequency transmissions interface 13, and ascending power amplifier 2 continues to send electromagnetic waves.
In addition; When antenna need not be launched carrier wave; Antenna controller 1 will receive the information that emission carrier wave that modulator-demodulator 3 sends is closed through signaling interface 12; This moment, processor unit 11 will stop the power supply to the output B of radio-frequency transmissions interface 13, and the work of ascending power amplifier 2 promptly stops.By the time antenna controller 1 is when signaling interface 12 receives the information that modulator-demodulator 3 emission carrier waves open; The proof antenna need be launched carrier wave; The processor unit 11 of antenna controller 1 promptly recovers the power supply to the output B of radio-frequency transmissions interface 13, and ascending power amplifier 2 is resumed work.
More than explanation is just illustrative as far as the utility model; And nonrestrictive, those of ordinary skills understand, under the situation of spirit that does not break away from following accompanying claims and limited and scope; Can make many modifications; Change, or equivalence, but all will fall in the protection range of the utility model.
Claims (3)
1. the launch control system of a communication in moving antenna is characterized in that, comprises modulator-demodulator, ascending power amplifier and antenna controller; Said modulator-demodulator links to each other with said antenna controller through the input of radio-frequency transmissions interface; Be sent to said antenna controller after being modulated to the radio communication frequency range in order to the information that will launch; In addition; Said modulator-demodulator also links to each other with said antenna controller through signaling interface, informs antenna controller in order to will have or not the state of emission at present; Said antenna controller control antenna tracking satellite, its output through the radio-frequency transmissions interface links to each other with said ascending power amplifier, and said ascending power amplifier will be sent to communication satellite after will being modulated at the information power amplification of radio communication frequency range.
2. the launch control system of a kind of communication in moving antenna according to claim 1 is characterized in that, said antenna controller inside also comprises a processor unit, and said processor unit links to each other with said radio-frequency transmissions interface with said signaling interface.
3. the launch control system of a kind of communication in moving antenna according to claim 1 is characterized in that, said signaling interface is RJ45 network interface or binding post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202245391U CN202551016U (en) | 2012-05-17 | 2012-05-17 | Emission control system for antenna of satellite communication system in motion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202245391U CN202551016U (en) | 2012-05-17 | 2012-05-17 | Emission control system for antenna of satellite communication system in motion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202551016U true CN202551016U (en) | 2012-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202245391U Expired - Fee Related CN202551016U (en) | 2012-05-17 | 2012-05-17 | Emission control system for antenna of satellite communication system in motion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202551016U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108963418A (en) * | 2017-05-22 | 2018-12-07 | 星展测控科技股份有限公司 | A kind of Ku frequency range antenna for satellite communication in motion system |
-
2012
- 2012-05-17 CN CN2012202245391U patent/CN202551016U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108963418A (en) * | 2017-05-22 | 2018-12-07 | 星展测控科技股份有限公司 | A kind of Ku frequency range antenna for satellite communication in motion system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20160517 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |