CN202634430U - Anti-radiation communication apparatus - Google Patents
Anti-radiation communication apparatus Download PDFInfo
- Publication number
- CN202634430U CN202634430U CN 201220169437 CN201220169437U CN202634430U CN 202634430 U CN202634430 U CN 202634430U CN 201220169437 CN201220169437 CN 201220169437 CN 201220169437 U CN201220169437 U CN 201220169437U CN 202634430 U CN202634430 U CN 202634430U
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- emission
- uplink
- radiation
- control unit
- satellite
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- Expired - Fee Related
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Abstract
The utility model discloses an anti-radiation communication apparatus. The anti-radiation apparatus comprises a duplexer, a downlink carrier link device, a beacon receiver, an interruption emission uplink carrier control unit and an uplink emission device, wherein the duplexer, the downlink carrier link device, the beacon receiver, the interruption emission uplink carrier control unit and the uplink emission device are sequentially connected; a satellite modem is disposed between the downlink carrier link device and the uplink emission device. According to the anti-radiation communication apparatus, a technical defect of radiation to people in high-rise buildings because when a communication apparatus in the prior art encounters shielding of high-rise buildings, the emission of an uplink communication carrier continues is overcome, and an anti-radiation communication apparatus in which the emission of an uplink communication carrier is automatically stopped when the apparatus encounters shielding of high-rise buildings is provided.
Description
Technical field
The utility model belongs to the satellite communication field, is specifically related to a kind of antiradiation communicator.
Background technology
Satellite communication system in fact also is a kind of microwave communication; It transmits microwave signal with satellite as relay station; Between a plurality of ground stations, communicate by letter; The main purpose of satellite communication is to realize " seamless " on ground covered and since satellite work in hundreds of, several thousand in addition up to ten thousand kilometers track on, so coverage is much larger than general GSM.Satellite communication system is made up of satellite end, ground surface end, user side three parts.The satellite end plays relay station aloft, after the electromagnetic wave of promptly putting forward ground station amplifies again foldback go back to another ground station, the satellite celestial body comprises two big subsystems again: satellite borne equipment and satellite parent.Ground station then is the interface of satellite system and ground public network, and terrestrial user also can form link through ground station's satellite system of coming in and going out, and ground station also comprises the ground satellite control center, and tracking, Telemetry And Command station, and user side promptly is various user terminals.
Because the high speed development of communication technology of satellite; By the middle pattern of communicating by letter of advancing of original fixed communication mode development; In pattern extensive use and the national emergency command communication system of communication of advancing; Because the up work carrier wave of satellite communication is that a kind of to have a high beam position capable, energy-rich radiation.If wave beam directly points to human body; Its radiation injury to human body is huge (is several ten thousand times of the regular handset emittance, hundreds of thousands doubly even higher); The pattern of satellite communication uses communication beams to be easy to blocked by building in the city so advance; Cause staff's radiation injury in various degree in the building,, recover operate as normal again after blocking disappearance so the very first time close emission source when wanting the best method of head it off to find to block exactly.
The utility model content
The technical problem that the utility model will solve is a communicator of the prior art when running into the blocking of high building, and the uplink communication carrier wave can continue emission; Cause radiation, a kind of antiradiation communicator that stops to launch the uplink communication carrier wave when running into high building and blocking automatically is provided crowd in the high building.
In order to solve the problems of the technologies described above, the utility model provides following technical scheme:
A kind of antiradiation communicator; Comprise the duplexer, descending carrier chain pipeline equipment, beacon receiver, interruption emission up-link carrier control unit, the up transmitter that connect in order, wherein also be provided with satellite modem between descending carrier chain pipeline equipment, the up transmitter.
Further, work enable port or the interruptive port of establishing controller in said interruption emission up-link carrier control unit and the up transmitter link to each other.
After connection was meant that duplexer, descending carrier chain pipeline equipment, beacon receiver, interruption emission up-link carrier control unit, up transmitter connect successively in order in the utility model, up transmitter was connected with the continuous loop that forms of duplexer again.
Description of drawings
Fig. 1 is the utility model antiradiation communication apparatus structure block diagram.
Embodiment
Below in conjunction with accompanying drawing and embodiment the technical scheme of the utility model is further specified:
As shown in Figure 1; The utility model antiradiation communicator; Comprise the duplexer, descending carrier chain pipeline equipment, beacon receiver, interruption emission up-link carrier control unit, the up transmitter that connect in order, wherein also be provided with satellite modem between descending carrier chain pipeline equipment, the up transmitter.
Said beacon receiver has full frequency band beacon receiving ability.It can accomplish beacon signal locking, the phase demodulation of satellite, and converts thereof into the direct current signal that is directly proportional with power and give control system, guarantees the work of antenna alignment satellite, obtains the optimal antenna gain.The utility model adopts the KCXBR214-40 beacon receiver, and modular construction has been adopted in this receiver inside, and rationally distributed, volume is little, and Reliability & Maintainability is good.
Interrupt emission up-link carrier control unit and adopt circuit module design based on FPGA; In be preset with the judgement control program that whether interrupts up transmitter work; Beacon receiver receives stable existence frequency carrier (comprising satellite beacon signals) in the satellite band downlink; Beacon receiver becomes to interrupt the discernible voltage signal of emission up-link carrier control unit with the frequency carrier signal intensity-conversion that receives; Interrupt emission up-link carrier control unit and judge relatively through voltage signal and the voltage threshold that configures whether communication link is blocked; Voltage signal intensity is lower than the threshold value that sets and shows and be blocked, and interrupts emission up-link carrier control unit in this case and will control up transmitter and close emission; Get back to once more to the voltage signal that interrupts the transmission of emission up-link carrier control unit and show more than the voltage threshold that do not have this moment and block when carrier wave receives conversion module, interrupt emission up-link carrier control unit and control up transmitter and open emission, recover proper communication.
Said up transmitter adopts the satellite communication transmitter based on AD9857; Interrupt emission up-link carrier control unit as long as be connected, get final product the interruption controls of simple and easy realization up transmitter with the work enable port or the interruptive port circuit of the AD9857 controller of satellite communication transmitter.
Implement the antiradiation communicator of the utility model, have following beneficial effect: when running into high building and blocking, stop automatically launching the uplink communication carrier wave, avoided of the radiation of uplink communication carrier wave crowd in the high building.
Because descending carrier chain pipeline equipment, up transmitter, satellite modem, duplexer all are located at a place in existing design; And beacon receiver, interruption emission up-link carrier control unit belongs to and sets up mechanism; So in Fig. 1; They belong to extension set with beacon receiver, interruption emission up-link carrier control unit and respective electrical source module with dashed lines frame choosing expression, do not influence the annexation of existing descending carrier chain pipeline equipment, up transmitter, satellite modem, duplexer during installation.Above-described only is the preferred implementation of the utility model, should be pointed out that for a person skilled in the art; Under the prerequisite that does not break away from the utility model structure; Can also make some distortion and improvement, can have many kinds to select like descending carrier link equipment, like filter, optical isolation etc.; But these also should be regarded as the protection range of the utility model, and these can not influence effect and practical applicability that the utility model is implemented.
Claims (2)
1. antiradiation communicator; It is characterized in that: comprise the duplexer, descending carrier chain pipeline equipment, beacon receiver, interruption emission up-link carrier control unit, the up transmitter that connect in order, wherein also be provided with satellite modem between descending carrier chain pipeline equipment, the up transmitter.
2. antiradiation communicator according to claim 1 is characterized in that: work enable port or the interruptive port of establishing controller in said interruption emission up-link carrier control unit and the up transmitter link to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220169437 CN202634430U (en) | 2012-04-20 | 2012-04-20 | Anti-radiation communication apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220169437 CN202634430U (en) | 2012-04-20 | 2012-04-20 | Anti-radiation communication apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202634430U true CN202634430U (en) | 2012-12-26 |
Family
ID=47387571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220169437 Expired - Fee Related CN202634430U (en) | 2012-04-20 | 2012-04-20 | Anti-radiation communication apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202634430U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112910535A (en) * | 2021-02-05 | 2021-06-04 | 陕西天基通信科技有限责任公司 | System and method for improving coverage efficiency of 5G repeater |
-
2012
- 2012-04-20 CN CN 201220169437 patent/CN202634430U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112910535A (en) * | 2021-02-05 | 2021-06-04 | 陕西天基通信科技有限责任公司 | System and method for improving coverage efficiency of 5G repeater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20140420 |