CN202978937U - Two-satellite network convergence apparatus - Google Patents
Two-satellite network convergence apparatus Download PDFInfo
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- CN202978937U CN202978937U CN 201220669933 CN201220669933U CN202978937U CN 202978937 U CN202978937 U CN 202978937U CN 201220669933 CN201220669933 CN 201220669933 CN 201220669933 U CN201220669933 U CN 201220669933U CN 202978937 U CN202978937 U CN 202978937U
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Abstract
The utility model discloses a two-satellite network convergence apparatus, consisting of a radio frequency device, an army remote medical-information network base-band device and an armed-police three-level network base-band device, wherein the radio frequency device consists of an antenna, a power amplifier, a low-noise down converter, an L-wave band receiving changeover switch and an L-wave band reflecting change-over switch. According to the apparatus provided by the utility model, two satellite networks are converged and use one set of radio frequency device, comprising the satellite antenna, the power amplifier and the low-noise down converter (LNB) together. The L-wave band receiving changeover switch and the L-wave band reflecting change-over switch are utilized to carry out time sharing switching, so that satellite respective communication is realized.
Description
Technical field
The utility model relates to satellite communication field, specifically is used for solving the device that two kinds of satellite communication networks merge.
Background technology
Satellite communication is the focus of communications field development, is widely used in every profession and trade.People's Armed Police has set up perfect " People's Armed Police's three-level network " at present, carries out business transmission at ordinary times.Army Hospital has set up " telemedicine network of PLA ", can carry out the remote medical consultation with specialists business.Inner at certain medical command car, possess simultaneously above two kinds of satellite networks, and be all each own separate mesh pipe and channel controlling mechanism of private network, but due to the refitted car spatial limitation, two satellite antennas of frame, become inevitable so merge two cover satellite networks simultaneously.
The utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, and a kind of two cover satellite network fusing devices are provided.
The utility model two cover satellite network fusing devices, be achieved by following technical proposals, described device is comprised of radio-frequency apparatus, telemedicine network of PLA network baseband equipment and People's Armed Police's three-level network baseband equipment, it is characterized in that, described radio-frequency apparatus is comprised of antenna, power amplifier, low noise block downconverter, reception L-band diverter switch and reflection L-band diverter switch; Antenna connects respectively power amplifier and low noise block downconverter by duplexer, low noise block downconverter connects reception L-band diverter switch by splitter, receive the L-band diverter switch and connect respectively army's splitter and People's Armed Police's splitter, army's splitter connects telemedicine network of PLA network baseband equipment, and People's Armed Police's splitter connects People's Armed Police's three-level network baseband equipment; Effect connects reflection L-band diverter switch, and reflection L-band diverter switch connects respectively army's mixer and People's Armed Police's mixer, and army's mixer connects telemedicine network of PLA network baseband equipment, and People's Armed Police's mixer connects People's Armed Police's three-level network baseband equipment.
The utility model merges two cover satellite networks, share the radio-frequency apparatus such as a cover satellite antenna, power amplifier, low noise block downconverter (LNB), reception L-band diverter switch and reflection L-band diverter switch radio-frequency apparatus have been increased, utilizing reception L-band diverter switch to carry out timesharing switches, to be switched to two networks by the descending signal timesharing of satellite reception, utilizing reflection L-band diverter switch to carry out timesharing switches, the upward signal timesharing of two networks is switched to satellite, thereby realize that satellite communicates by letter respectively.
Description of drawings
Fig. 1 is the utility model theory diagram.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
As shown in Figure 1, described device is comprised of radio-frequency apparatus, telemedicine network of PLA network baseband equipment and People's Armed Police's three-level network baseband equipment, it is characterized in that, described radio-frequency apparatus is comprised of antenna, power amplifier, low noise block downconverter, reception L-band diverter switch and reflection L-band diverter switch; Antenna connects respectively power amplifier and low noise block downconverter by duplexer, low noise block downconverter connects reception L-band diverter switch by splitter, receive the L-band diverter switch and connect respectively army's splitter and People's Armed Police's splitter, army's splitter connects telemedicine network of PLA network baseband equipment, and People's Armed Police's splitter connects People's Armed Police's three-level network baseband equipment; Effect connects reflection L-band diverter switch, and reflection L-band diverter switch connects respectively army's mixer and People's Armed Police's mixer, and army's mixer connects telemedicine network of PLA network baseband equipment, and People's Armed Police's mixer connects People's Armed Police's three-level network baseband equipment.
The utility model has shared the radio-frequency apparatus such as cover satellite antenna, a power amplifier, LNB, L-band diverter switch, utilizes the L-band diverter switch to carry out timesharing and switches, and realizes that satellite communicates by letter respectively.Described baseband equipment comprises broadband modem, crypto, channel control appliance, Lan/V35 transducer, image codec, the interior watch-dog of standing, and baseband equipment is by the standard configuration of People's Armed Police's satellite network mobile radio station.Realize oneself switching by the pumping signal that defines in baseband signal, public is that the comprehensive multiplexing of multichannel intermediate-freuqncy signal is realized by double-fed source operation principle.
described antenna is 1.5 meters Ku wave band vehicle-mounted satellite antennas, working frequency range is the Ku frequency range, transmission frequency: 14.0 GHz～14.5GHz, receive frequency: 10.95GHz～12.75GHz, send gain: 46.5dB, receiving gain: 45.0dB, voltage standing wave ratio :≤1.25:1(receives, send out), the noise temperature :≤65K(30 ° elevation angle), power capacity: 〉=1000W/ port, feed insertion loss :≤0.35dB (Ku frequency range), polarization mode: linear polarization, cross polarization isolation: 〉=30dB, isolation is received/sent out to duplexer:＞85dB(contains filter), orientation: ± 180 °, pitching: 5 °～85 °, polarization modulation: ± 90 °, tracking mode: initially automatically catch fast star, manual search,
Described power amplifier frequency range: input: 950～1700MHz; Output: 13.75～14.50GHz, bandwidth: 750 MHz, external 10MHz reference source input: 0dBm ± 5dB, impedance: 50 ohm, uneven, VSWR: less than 1.5:1, connector: N Connector, power: 40W (minimum saturation power), VSWR: less than 1.5:1, connector: WR75 ring flange, gain: 60dB (minimum), 65dB (representative value), gain stability: ± 1.5dB/ days (40 ~+60 ℃), gain flatness: ± 0.5dB (in any 40MHz bandwidth);
Described LNB is tuner (Low Noise Block), i.e. low noise block downconverter, its function be the satellite-signal that will be transmitted by feed through amplification and down-conversion, Ku or C-band signal are become L-band, send satellite receiver to through coaxial cable.Incoming frequency (GHz) 12.25 ~ 12.75, local frequency (GHz) 11.3, output frequency (MHz) 950 ~ 1450, noise temperature (dB) 0.8, phase noise-65dBc/Hz, gain 60dB;
Described L-band diverter switch frequency: 0.95 ~ 1.45GHz(R), 0.95 ~ 2.15GHz (T), Insertion Loss :≤0.2 dB, isolation: R1@R2 〉=60 dB, T1@T2 〉=60 dB.
Claims (1)
1. one kind two is overlapped the satellite network fusing device, described device is comprised of radio-frequency apparatus, telemedicine network of PLA network baseband equipment and People's Armed Police's three-level network baseband equipment, it is characterized in that, described radio-frequency apparatus is comprised of antenna, power amplifier, low noise block downconverter, reception L-band diverter switch and reflection L-band diverter switch; Antenna connects respectively power amplifier and low noise block downconverter by duplexer, low noise block downconverter connects reception L-band diverter switch by splitter, receive the L-band diverter switch and connect respectively army's splitter and People's Armed Police's splitter, army's splitter connects telemedicine network of PLA network baseband equipment, and People's Armed Police's splitter connects People's Armed Police's three-level network baseband equipment; Effect connects reflection L-band diverter switch, and reflection L-band diverter switch connects respectively army's mixer and People's Armed Police's mixer, and army's mixer connects telemedicine network of PLA network baseband equipment, and People's Armed Police's mixer connects People's Armed Police's three-level network baseband equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220669933 CN202978937U (en) | 2012-12-07 | 2012-12-07 | Two-satellite network convergence apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220669933 CN202978937U (en) | 2012-12-07 | 2012-12-07 | Two-satellite network convergence apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202978937U true CN202978937U (en) | 2013-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220669933 Expired - Lifetime CN202978937U (en) | 2012-12-07 | 2012-12-07 | Two-satellite network convergence apparatus |
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| CN (1) | CN202978937U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104539344A (en) * | 2014-11-26 | 2015-04-22 | 南京中网卫星通信股份有限公司 | Communication device and method fusing ordinary Ku frequency band and IPstar satellite |
| CN105450252A (en) * | 2015-12-17 | 2016-03-30 | 中国电子科技集团公司第五十四研究所 | Mode reconfigurable S-frequency-band transceiving radio-frequency assembly |
| CN106506033A (en) * | 2016-11-30 | 2017-03-15 | 中国电子科技集团公司第五十四研究所 | The scattering of Ku frequency ranges and satellite communication share the communicator of outdoor unit and antenna |
-
2012
- 2012-12-07 CN CN 201220669933 patent/CN202978937U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104539344A (en) * | 2014-11-26 | 2015-04-22 | 南京中网卫星通信股份有限公司 | Communication device and method fusing ordinary Ku frequency band and IPstar satellite |
| CN105450252A (en) * | 2015-12-17 | 2016-03-30 | 中国电子科技集团公司第五十四研究所 | Mode reconfigurable S-frequency-band transceiving radio-frequency assembly |
| CN105450252B (en) * | 2015-12-17 | 2018-06-12 | 中国电子科技集团公司第五十四研究所 | The restructural S frequency ranges transceiving radio frequency component of one mode |
| CN106506033A (en) * | 2016-11-30 | 2017-03-15 | 中国电子科技集团公司第五十四研究所 | The scattering of Ku frequency ranges and satellite communication share the communicator of outdoor unit and antenna |
| CN106506033B (en) * | 2016-11-30 | 2019-01-04 | 中国电子科技集团公司第五十四研究所 | The communication device of scattering and satellite communication time sharing shared outdoor unit and antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130605 |