CN202930540U - Vehicle loaded satellite antenna with low collection height - Google Patents
Vehicle loaded satellite antenna with low collection height Download PDFInfo
- Publication number
- CN202930540U CN202930540U CN 201220641503 CN201220641503U CN202930540U CN 202930540 U CN202930540 U CN 202930540U CN 201220641503 CN201220641503 CN 201220641503 CN 201220641503 U CN201220641503 U CN 201220641503U CN 202930540 U CN202930540 U CN 202930540U
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- satellite antenna
- vehicle
- fixed
- height
- antenna
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Abstract
Disclosed is a vehicle loaded satellite antenna with a low collection height. The vehicle loaded satellite antenna of the utility model comprises a reflection plane, a rotary table, and a feed source, wherein the rotary table comprises a fixed plane for fixing the feed source and a rotary surface for fixing reflection plane; the fixed plane is flexibly connected with one end of the rotary surface via a rotating shaft; the rotating shaft is fixed upon the surface of the rotary table; two ends of a push-pull rod are respectively fixed to the central sections of the sidewalls of the fixed plane and the rotary surface; the reflection plane has a diameter of 1.5m and adopts a carbon fiber structure; and the feed source adopts a single-reflection structure for linear polarization double ports and employs an offset-fed mode. The collection height of the antenna of the utility model is 360mm. The height reduction can effectively increase the in-vehicle height space of the health technology vehicle for remote medical science consultation when the height of the refit vehicle is fixed, thereby improving the comfort level for work personnel.
Description
Technical field
The utility model relates to technical field of satellite communication, specifically, relates to the satellite antenna system that the consultation of doctors of mounted remote medical science is used.
Background technology
Satellite communication: the development of satellite communication new technology emerges in an endless stream.Very small aperture antenna earth station (VSAT) system for example, the mobile satellite communication system of middle low orbit etc. all has been subject to people and has paid close attention to widely and use.Satellite communication is also the important component part of following GII.It is wide with its covering, message capacity is large.Communication distance far, is not subjected to geographical environment restriction, Functionality, quality and appealing design, economic benefit advantages of higher, uses at first Chinese in 1972, and develops rapidly, together with optical fiber communication, digital microwave telecommunication, becomes the pillar of Contemporary Chinese telecommunication.
Satellite communication has mobility flexibly because it is not subjected to the restriction of geographical conditions, so still comply with its advantage innovation and development.But the challenge of the optical fiber communication that is also developed rapidly, it is larger than the capacity of satellite communication, and transmission rate is high, has a lot of transoceanic communications to be substituted by submarine fiber cable, and the land main line also has analogue.The middle and later periods nineties 20th century direct satellite television broadcasing (DBs---Direct Broadcast Satellite or DTH---Direct To Home), satellite sound broadcasting, satellite mobile communication and Broadband Satellite multimedia communication become four new great development trends.
Vehicle-mounted satellite antenna is mounted in a kind of satellite antenna on automobile, and vehicle-mounted satellite antenna is exactly the equipment that receives the signal that sends, as long as in the effective area of coverage of satellite-signal, can effectively realize communication, is real seamless link.The vehicle-mounted satellite antenna work under bad environment, antenna height, power consumption, antenna weight all are restricted.Vehicle-mounted satellite antenna system applies scope 1) move the multimedia Satellite Communication System; 2) TV moves broadcast relay system; 3) commercial mobile satellite communication system 4) emergency satellite communications system etc.
The utility model content
Technical problem to be solved in the utility model is, for mounted remote medical science consultation system provides a kind of perfect in shape and function and is convenient to vehicle-mounted satellite antenna.
The low collection height of the utility model vehicle-mounted satellite antenna, described antenna is made of reflecting surface, turntable and feed, described turntable comprises the fixedly stationary plane of feed and the surfaces of revolution of fixed reflection surface, described stationary plane and the surfaces of revolution one end are flexibly connected by rotating shaft, the turntable table top is fixed in described rotating shaft, the two ends of pull bar are individually fixed in the middle part of stationary plane sidewall middle part and surfaces of revolution sidewall, described reflecting surface diameter is 1.5m, adopt carbon fiber structural, described feed adopts single antistructure of linear polarization two-port, offset-fed mode.
Described feed duplexer transmitting-receiving interface is WR75.
Described antenna arranges auxiliary equipment GPS, inclinator and electronic compass.
Described antenna size is 2012 * 1520 * 360mm(length * wide * height), overall mass≤90kg(does not contain power amplifier).
Described reflecting surface surface accuracy reaches RMS≤0.1mm.
Described moveable top and pull bar are motorized motions.
Compared with prior art the utlity model has following beneficial effect:
The collection of the utility model antenna is highly 360mm, reduces height and uses the medical technical vehicle of the telemedicine consultation of doctors for repacking, can effectively increase the interior height space under refitted car height one stable condition, increases internal work personnel comfort level.
The utility model reflecting surface has adopted advanced carbon fibre composite, makes that reflector precision is high, structural strength is high, complete machine is lightweight.
The utility model can tolerate the work wind speed of 21m/s, and smart work wind speed falls in 28m/s, the collection wind speed of 50m/s, and wind resistance is better than similar antenna.
Description of drawings
Fig. 1 is the utility model collection figure;
Fig. 2 is the utility model figure that organizes work.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
As illustrated in fig. 1 and 2, described antenna is made of reflecting surface 1, turntable 2 and feed 3, described turntable comprises the fixedly stationary plane 4 of feed and the surfaces of revolution 5 of fixed reflection surface, described stationary plane and the surfaces of revolution one end are flexibly connected by rotating shaft, and the turntable table top is fixed in described rotating shaft, and the two ends of pull bar 6 are individually fixed in the middle part of stationary plane sidewall middle part and surfaces of revolution sidewall, described reflecting surface diameter is 1.5m, adopt carbon fiber structural, described feed adopts single antistructure of linear polarization two-port, offset-fed mode.
The described turntable kind of drive be three axles (orientation by turntable rotate realization, pitching by pull bar stretch that the folding that drives the surfaces of revolution realizes, polarization realizes by the stepping motor gear transmission) electronic, can carry out manual operation under powering-off state; The motion orientation can reach ± 360o, pitching 0o～90o, polarization ± 95; Movement velocity: 0.1～3 °/s is adjustable in the orientation, and pitching 0.1-3o/s is adjustable, polarization 4o/s; Bearing capacity: orientation 2000Nm, pitching 2500Nm.
The utility model antenna operating characteristic:The emission operating frequency is 13.75～14.5GHz, and the reception operating frequency is 10.95～12.75GHz; Antenna transmission gain 45.9dBi, receiving gain 44.25dBi; Axial isolation 〉=the 35dB that intersects, the 1dB point intersection isolation 〉=30dB of place; Transmitting-receiving isolation 〉=85dB; Standing-wave ratio≤1.25:1; Power capacity 〉=1000W; 3dB beamwidth: be emitted as 0.96o, be received as 1.1o; Sidelobe performance: azimuth plane 1-20 ° is satisfied 29-25 log θ dBi, the first secondary lobe＜-20dB;
The utility model antenna operational environment:Working temperature-41～60 ℃, storage temperature-55～70 ℃, working relative humidity≤95%; Work wind speed: 20m/s steady operation wind speed, smart work wind speed falls in 30m/s, and 50m/s collects wind speed;
The utility model antenna control mode:The input satellite beacon receiver; Be automatic or manual to the star mode, have a key and seek the star function; Automatically catch satellite time≤3min; To star precision≤0.2dB.
Claims (5)
1. collect the height vehicle-mounted satellite antenna for one kind low, it is characterized in that, described antenna is made of reflecting surface, turntable and feed, described turntable comprises the fixedly stationary plane of feed and the surfaces of revolution of fixed reflection surface, described stationary plane and the surfaces of revolution one end are flexibly connected by rotating shaft, the turntable table top is fixed in described rotating shaft, the two ends of pull bar are individually fixed in the middle part of stationary plane sidewall middle part and surfaces of revolution sidewall, described reflecting surface diameter is 1.5m, adopt carbon fiber structural, described feed adopts single antistructure of linear polarization two-port, offset-fed mode.
2. a kind of low collection height vehicle-mounted satellite antenna according to claim 1, is characterized in that, described antenna arranges auxiliary equipment GPS, inclinator and electronic compass.
3. a kind of low collection height vehicle-mounted satellite antenna according to claim 1, it is characterized in that described antenna size: length * wide * height is 2012 * 1520 * 360mm, overall mass≤90kg.
4. a kind of low collection height vehicle-mounted satellite antenna according to claim 1, is characterized in that, described reflecting surface surface accuracy reaches RMS≤0.1mm.
5. a kind of low collection height vehicle-mounted satellite antenna according to claim 1, is characterized in that, described turntable table top and pull bar are motorized motions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220641503 CN202930540U (en) | 2012-11-29 | 2012-11-29 | Vehicle loaded satellite antenna with low collection height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220641503 CN202930540U (en) | 2012-11-29 | 2012-11-29 | Vehicle loaded satellite antenna with low collection height |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202930540U true CN202930540U (en) | 2013-05-08 |
Family
ID=48220459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220641503 Expired - Lifetime CN202930540U (en) | 2012-11-29 | 2012-11-29 | Vehicle loaded satellite antenna with low collection height |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202930540U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102931467A (en) * | 2012-11-29 | 2013-02-13 | 中国人民解放军军事医学科学院卫生装备研究所 | Vehicle-mounted satellite antenna with low storage height |
| CN111799542A (en) * | 2020-06-28 | 2020-10-20 | 北京爱科迪通信技术股份有限公司 | Emergency communication satellite antenna |
| CN113629388A (en) * | 2021-08-16 | 2021-11-09 | 国信军创(岳阳)六九零六科技有限公司 | Offset feed shaping antenna |
-
2012
- 2012-11-29 CN CN 201220641503 patent/CN202930540U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102931467A (en) * | 2012-11-29 | 2013-02-13 | 中国人民解放军军事医学科学院卫生装备研究所 | Vehicle-mounted satellite antenna with low storage height |
| CN111799542A (en) * | 2020-06-28 | 2020-10-20 | 北京爱科迪通信技术股份有限公司 | Emergency communication satellite antenna |
| CN111799542B (en) * | 2020-06-28 | 2022-01-04 | 北京爱科迪通信技术股份有限公司 | Emergency communication satellite antenna |
| CN113629388A (en) * | 2021-08-16 | 2021-11-09 | 国信军创(岳阳)六九零六科技有限公司 | Offset feed shaping antenna |
| CN113629388B (en) * | 2021-08-16 | 2024-04-26 | 湖南六九零六信息科技股份有限公司 | Offset feed shaped 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: 20130508 |