CN204089815U - A kind of satellite communication station - Google Patents
A kind of satellite communication station Download PDFInfo
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- CN204089815U CN204089815U CN201420515611.5U CN201420515611U CN204089815U CN 204089815 U CN204089815 U CN 204089815U CN 201420515611 U CN201420515611 U CN 201420515611U CN 204089815 U CN204089815 U CN 204089815U
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- communication terminal
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Abstract
The utility model relates to a kind of satellite communication station, comprises satellite antenna and satellite communication terminal, and the two is connected by satellite MODEM; Described satellite antenna comprises antenna feeder subsystem and servo-drive subsystem, and described antenna feeder subsystem can realize the up/down frequency conversion of Ku wave band and L-band, and settling signal is received and dispatched, and is furnished with satellite modem backup; Described servo-drive subsystem determines antenna attitude by GPS/BD, seeks star and DVB carrier wave seeks star with beacon, realizes a key to star.Satellite communication terminal comprises military reinforced notebook computer, satellite MODEM, encryption equipment, switch, voice gateways and audio/video encoding/decoding module, can realize the access of 3 road videos, No. 2 phones and 3 road IP data.The utility model supports the multimedia communication service such as speech, data, audio frequency and video, can realize remote data transmission, has that integrated level is high, volume is little, safety and stability, simple operation and other advantages.
Description
Technical field
The utility model relates to technical field of satellite communication, particularly relates to a kind of satellite communication station.
Background technology
At present, various natural calamity takes place frequently and geographical environment is complicated, in order to reduce the loss brought the lives and properties of people as far as possible, needs rescue personnel's quick action, takes urgent effective rescue measure.Growing along with communication technology of satellite, the emergency communication Means of Ensuring relying on satellite system to provide then is widely used in disaster relief work.Meanwhile, emergency management and rescue are proposed higher requirement to aspects such as the flexibilities that the emergent real-time of field integrated communication service, the portability of satellite communication earth station and operation thereof use.But current, domsat communication station is simply integrated substantially, and volume is large, Heavy Weight, interface are various incompatible, portable and operability is strong, and function is not complete and expensive, and adaptive capacity to environment is weak, cannot use etc. under some specific environment.Based on above-mentioned present situation, how to design a kind of small portable, satellite communication station that is simple to operate, energy saving becomes problem demanding prompt solution.
Utility model content
(1) technical problem that will solve
The utility model technical issues that need to address overcome the deficiencies in the prior art, realizes that a kind of integrated level is high, volume is little, safety and stability, satellite communication station simple to operate.
(2) technical scheme
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of satellite communication station, is characterized in that: comprise satellite antenna and satellite communication terminal, and described satellite communication terminal is provided with satellite MODEM, and described satellite MODEM connects satellite antenna; Described satellite antenna comprises antenna feeder subsystem, and described antenna feeder subsystem is provided with satellite modem backup, and described satellite modem backup connects satellite communication terminal.
Described antenna feeder subsystem also comprises reflecting surface, feed network, upstream radio-frequency unit (BUC) and low noise down conversion components (LNB), described feed network connects described upstream radio-frequency unit (BUC) respectively, described low noise down conversion components (LNB) and described reflecting surface, described satellite modem backup connects described upstream radio-frequency unit (BUC) and described low noise down conversion components (LNB) respectively, for the modulation and demodulation of L-band signal between upstream radio-frequency unit (BUC) described between satellite MODEM fault or lay-off period and described low noise down conversion components (LNB).
Described satellite antenna receives the L-band signal that satellite communication terminal is sent into, and after upstream radio-frequency unit (BUC) is converted to the radiofrequency signal of Ku frequency range, is sent to satellite; Satellite sends Ku frequency band signals to described satellite antenna, converts the signal of L frequency range through low noise down conversion components (LNB) to, sends into satellite communication terminal.
Described satellite antenna also comprises servo system, and described servo system comprises: the combination of servo controller, orientation, pitching combination, beacon receiver, DVB carrier receiver, electronic compass, locating module, monitoring module, positioning antenna, orientation control driving, pitch control subsystem driving, power module and interface module; The combination of described orientation controls driving and is connected to described servo controller through orientation, described pitching combination drives through pitch control subsystem and is connected to described servo controller, described positioning antenna is connected to described servo controller through described locating module, the signal that described DVB carrier receiver and described beacon receiver send for receiving described antenna-feedback system, export described servo controller to, by described servo controller calculation process.
Described satellite communication terminal also comprises military reinforced notebook computer, switch, voice gateways and audio/video encoding/decoding module; Institute's voice gateway is connected with described switch respectively with audio/video encoding/decoding module; Described switch is connected with military reinforced notebook computer and satellite MODEM respectively; Institute's voice gateway is used for plain old telephone access; Described audio/video encoding/decoding module is used for audio-video signal access; Described switch is used for IP data access, and converges described audio/video encoding/decoding module and institute's voice gateway passes the data of coming.
Further, described satellite communication terminal also comprises encryption equipment, and described encryption equipment is connected with described satellite MODEM.
Institute's voice gateway comprises the access of multichannel plain old telephone; Described audio/video encoding/decoding module comprises the access of multichannel audio-video frequency signal; Described switch comprises multichannel IP data access.
Further, institute's voice gateway comprises the access of two-way plain old telephone; Described audio/video encoding/decoding module comprises 3 road audio-video signal accesses; Described switch comprises 3 road IP data access.
(3) beneficial effect
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is: the utility model is provided with satellite modem backup, improving the stability of system, applying flexibility and reliability more when fault by enabling prediction scheme; Adopt general-purpose interface, component models, extensibility are strong, in conjunction with microwave, satellite communication in one, and containing cryptographic capabilities, multiple functional; The access of 3 road videos, No. 2 phones and 3 road IP data can be realized, support the multimedia communication services such as speech, data, audio frequency and video, remote data transmission can be realized; Reduce weight of equipment, adopt tower structure, integrated level is high, volume is little, be convenient to install and carry, single bearing can be realized; Launch rapid, simple to operate, can effectively save system service time.
Accompanying drawing explanation
The structural representation of the satellite communication station that Fig. 1 provides for the utility model;
The satellite antenna structural representation that Fig. 2 provides for the utility model;
The ICBM SHF satellite terminal structural representation that Fig. 3 provides for the utility model.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
The utility model embodiment provides a kind of satellite communication station, and as shown in Figure 1, this satellite communication station comprises satellite antenna and satellite communication terminal; Satellite antenna is connected by satellite MODEM with satellite communication terminal.
As shown in Figure 2, satellite antenna comprises antenna feeder subsystem and servo-drive subsystem; Antenna feeder subsystem comprises: reflecting surface, feed network, upstream radio-frequency unit (BUC), low noise down conversion components (LNB), fixation kit and satellite modem back up; Servo-drive subsystem comprises: the combination of servo controller, orientation, pitching combination, beacon receiver, DVB carrier receiver, electronic compass, locating module, monitoring module, positioning antenna, orientation control driving, pitch control subsystem driving power module and interface module;
Described satellite antenna for receive satellite communication terminal send into L-band signal, by satellite antenna upstream radio-frequency unit (BUC), after filtering, frequency inverted, amplification process, after being converted to the radiofrequency signal of Ku frequency range, be sent to satellite; Receive the Ku frequency band signals that satellite forwards, through low noise down conversion components (LNB), carry out the process such as filtering, frequency translation and amplification, convert the signal of L frequency range to, send into satellite communication terminal.
As shown in Figure 2, in antenna feeder subsystem, satellite antenna upstream radio-frequency unit (BUC) receives the L-band signal that ICBM SHF satellite terminal is sent into, and exports Ku band signal to feed network, then delivers to reflecting surface transmitting; The Ku waveband radio frequency signal that reflecting surface receives, delivers to low noise down conversion components (LNB) through feed network, exports L-band signal, then is processed by terminal.When contained by satellite communication terminal, modulator-demodulator breaks down, enable the satellite modem backup in satellite antenna, this backup receives the L-band signal that LNB unit sends, and delivers to satellite communication terminal after demodulation; And be send into upstream radio-frequency unit (BUC) after L-band signal by the signal madulation that communication terminal sends.
As shown in Figure 2, orientation combination in servo-drive subsystem controls driving and is connected to servo controller through orientation, pitching combination drives through pitch control subsystem and is connected to servo controller, positioning antenna is connected to servo controller through locating module, DVB carrier receiver and beacon receiver are by antenna low noise down conversion components (LNB) Received signal strength, export servo controller to, servo controller carries out calculation process, realizes a key to star function.Polarizing angle and the angle of pitch that antenna makes land used will have been calculated in advance during use, polarizing angle scale on contrast antenna, first antenna polarization is threaded to calculating angle, pitching support arm is raised to calculating angle by the angle of pitch scale contrasted again on pitching support arm, polarisation angles regulates to be needed to be accurate to 1 °, but the angle of pitch regulates to be had approximately ± error range of 15 °, and pitching only need be adjusted in error range.
Antenna Operation adopts a key to star pattern, and after antenna powers up, press a key to star button, antenna starts initialization self-inspection, and obtains antenna location longitude and latitude by GPS/BD, determines antenna attitude, after antenna main lobe lifts, starts to seek star after installing sidelobe.Antenna possesses 2 kinds and seeks star mode: beacon seeks star and DVB carrier wave seeks star, and 2 kinds of modes backup each other.Antenna is search of satellite signals in rotation process, and processes received signal, for servo controller provides signal designation, adjusts antenna attitude further, and whole star process of seeking is not more than 3 minutes.
The all parts of antenna adopt tower structure, and gross weight, within 20kg, can realize single bearing.For satisfied the whole country even use of Asia, adopt 25W power amplifier, ensure the unimpeded of satellite link.
Antenna provides WEB access interface, can wired and accessing wirelessly; Possess manual and automatic to star switching push button, can select by use scenes; Employing rainproof designs, and ensures that antenna uses under rainy day environment.
As shown in Figure 3, satellite communication terminal comprises: military reinforced notebook computer, satellite MODEM, switch, encryption equipment, voice gateways and audio/video encoding/decoding module; Voice gateways are connected with switch respectively with audio/video encoding/decoding module; Switch is connected with military reinforced notebook computer and satellite MODEM respectively; Voice gateways are used for plain old telephone access; Audio/video encoding/decoding module is used for audio-video signal access; Switch is used for IP data access, and converges described audio/video encoding/decoding module and institute's voice gateway passes the data of coming;
As shown in Figure 3, voice gateways support the access of two-way plain old telephone, and audio/video encoding/decoding module supports 3 road audio-video signal accesses; Switch supports 3 road IP data access, and is connected with military reinforced notebook computer and satellite modem (MODEM) respectively; Miscellaneous service converges to switch by satellite communication terminal audio/video encoding/decoding module, voice gateways etc., the access control of miscellaneous service is provided through IP access, sends into modem module, be converted to L frequency band signals through encryption, Base-Band Processing, modulation etc. and send into satellite antenna upstream radio-frequency unit (BUC).The signal of L frequency range, sends into satellite communication terminal, is converted to digital signal through demodulation, Base-Band Processing etc., sends into each business module after deciphering, is finally reduced to the service signals such as voice, video and data and arrives user terminal.
Satellite communication terminal support apolegamy webmaster channel function, can add arbitrarily in networking according to actual needs at any time and any place or withdraw from, the broadcast singal of network management center can be received by this function, sending network management information to network management center, network management center thinks and allows it to network in legal station.After networking, calling, the Resourse Distribute and resource reclaim etc. of satellite communication terminal all complete under the management of network management center.Satellite communication terminal graphical user interface accesses, and simplifies the operation; System adopts flexible charging mode, and in net, all users need not pay Monthly Fee, just needs payment when only having network access to use, when the meter mode of praising can take bag, wraps and stands or purely to charge by flow.
The foregoing is only the preferred embodiment of this utility model, not in order to limit the utility model, all any simple modification, equivalent variations and remodeling done within spirit of the present utility model and principle, still belongs to the protection range of technical solutions of the utility model.
Claims (8)
1. a satellite communication station, is characterized in that: comprise satellite antenna and satellite communication terminal, and described satellite communication terminal is provided with satellite MODEM, and described satellite MODEM connects satellite antenna; Described satellite antenna comprises antenna feeder subsystem, and described antenna feeder subsystem is provided with satellite modem backup, and described satellite modem backup connects satellite communication terminal.
2. a kind of satellite communication station as claimed in claim 1, it is characterized in that: described antenna feeder subsystem also comprises reflecting surface, feed network, upstream radio-frequency unit and low noise down conversion components, described feed network connects described upstream radio-frequency unit, described low noise down conversion components and described reflecting surface respectively, described satellite modem backup connects described upstream radio-frequency unit and described low noise down conversion components, respectively for the modulation and demodulation of L-band signal between upstream radio-frequency unit described between satellite MODEM fault or lay-off period and described low noise down conversion components.
3. a kind of satellite communication station as claimed in claim 2, is characterized in that: described satellite antenna receives the L-band signal that satellite communication terminal is sent into, and after the radiofrequency signal that upstream radio-frequency cell translation is Ku frequency range, is sent to satellite; Satellite sends Ku frequency band signals to described satellite antenna, converts the signal of L frequency range through low noise down conversion components to, sends into satellite communication terminal.
4. a kind of satellite communication station as claimed in claim 1 or 2, it is characterized in that: described satellite antenna also comprises servo system, described servo system comprises: the combination of servo controller, orientation, pitching combination, beacon receiver, DVB carrier receiver, electronic compass, locating module, monitoring module, positioning antenna, orientation control driving, pitch control subsystem driving, power module and interface module; The combination of described orientation controls driving and is connected to described servo controller through orientation, described pitching combination drives through pitch control subsystem and is connected to described servo controller, described positioning antenna is connected to described servo controller through described locating module, the signal that described DVB carrier receiver and described beacon receiver send for receiving described antenna-feedback system, export described servo controller to, by described servo controller calculation process.
5. a kind of satellite communication station as claimed in claim 1, is characterized in that: described satellite communication terminal also comprises military reinforced notebook computer, switch, voice gateways and audio/video encoding/decoding module; Institute's voice gateway is connected with described switch respectively with audio/video encoding/decoding module; Described switch is connected with military reinforced notebook computer and satellite MODEM respectively; Institute's voice gateway is used for plain old telephone access; Described audio/video encoding/decoding module is used for audio-video signal access; Described switch is used for IP data access, and converges described audio/video encoding/decoding module and institute's voice gateway passes the data of coming.
6. a kind of satellite communication station as claimed in claim 5, is characterized in that: described satellite communication terminal also comprises encryption equipment, described encryption equipment is connected with described satellite MODEM.
7. a kind of satellite communication station as described in claim 5 or 6, is characterized in that: institute's voice gateway comprises the access of multichannel plain old telephone; Described audio/video encoding/decoding module comprises the access of multichannel audio-video frequency signal; Described switch comprises multichannel IP data access.
8. a kind of satellite communication station as claimed in claim 7, is characterized in that: institute's voice gateway comprises the access of two-way plain old telephone; Described audio/video encoding/decoding module comprises 3 road audio-video signal accesses; Described switch comprises 3 road IP data access.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420515611.5U CN204089815U (en) | 2014-09-09 | 2014-09-09 | A kind of satellite communication station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420515611.5U CN204089815U (en) | 2014-09-09 | 2014-09-09 | A kind of satellite communication station |
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| CN204089815U true CN204089815U (en) | 2015-01-07 |
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| CN201420515611.5U Expired - Fee Related CN204089815U (en) | 2014-09-09 | 2014-09-09 | A kind of satellite communication station |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105429693A (en) * | 2015-12-18 | 2016-03-23 | 航天恒星科技有限公司 | Satellite mobile terminal |
| CN105429694A (en) * | 2016-01-11 | 2016-03-23 | 陕西欧赛通信科技有限公司 | Portable satellite communication terminal |
| CN105721042A (en) * | 2016-03-02 | 2016-06-29 | 天津凯普卫星导航通信技术有限公司 | Satellite communication system applicable to small ships |
| CN106170078A (en) * | 2016-08-24 | 2016-11-30 | 杭州华雁数码电子有限公司 | A kind of satellite long-distance intelligent broadcast system and operational approach |
| CN108092708A (en) * | 2017-12-26 | 2018-05-29 | 中国科学院国家天文台 | A kind of satellite Push-To-Talk communication terminal control system and control method based on smart mobile phone |
| 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 |
| CN110808768A (en) * | 2019-10-22 | 2020-02-18 | 中山赛思普电子科技有限公司 | Low earth orbit satellite ground station |
| CN114531195A (en) * | 2022-02-18 | 2022-05-24 | 北京爱科迪通信技术股份有限公司 | Multi-mode multi-caliber multi-frequency-band backpack satellite station |
-
2014
- 2014-09-09 CN CN201420515611.5U patent/CN204089815U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105429693A (en) * | 2015-12-18 | 2016-03-23 | 航天恒星科技有限公司 | Satellite mobile terminal |
| CN105429694A (en) * | 2016-01-11 | 2016-03-23 | 陕西欧赛通信科技有限公司 | Portable satellite communication terminal |
| CN105721042A (en) * | 2016-03-02 | 2016-06-29 | 天津凯普卫星导航通信技术有限公司 | Satellite communication system applicable to small ships |
| CN106170078A (en) * | 2016-08-24 | 2016-11-30 | 杭州华雁数码电子有限公司 | A kind of satellite long-distance intelligent broadcast system and operational approach |
| 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 |
| CN108092708A (en) * | 2017-12-26 | 2018-05-29 | 中国科学院国家天文台 | A kind of satellite Push-To-Talk communication terminal control system and control method based on smart mobile phone |
| CN110808768A (en) * | 2019-10-22 | 2020-02-18 | 中山赛思普电子科技有限公司 | Low earth orbit satellite ground station |
| CN114531195A (en) * | 2022-02-18 | 2022-05-24 | 北京爱科迪通信技术股份有限公司 | Multi-mode multi-caliber multi-frequency-band backpack satellite station |
| CN114531195B (en) * | 2022-02-18 | 2024-01-23 | 北京爱科迪通信技术股份有限公司 | Multi-mode multi-caliber multi-band backpack satellite station |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20190909 |