CN103337704A - Device and method for automatic satellite aiming of Ku waveband satellite communication portable station antenna - Google Patents
Device and method for automatic satellite aiming of Ku waveband satellite communication portable station antenna Download PDFInfo
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- CN103337704A CN103337704A CN2013100531379A CN201310053137A CN103337704A CN 103337704 A CN103337704 A CN 103337704A CN 2013100531379 A CN2013100531379 A CN 2013100531379A CN 201310053137 A CN201310053137 A CN 201310053137A CN 103337704 A CN103337704 A CN 103337704A
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Abstract
The invention discloses a device and a system for automatic satellite aiming of a Ku waveband satellite communication portable station antenna. The device comprises an orientation step motor transmission mechanism, a pitching DC motor transmission mechanism, an inclinator attitude sensor and an automatic controller. The automatic controller comprises a main control module, a Beidou/GPS dual-mode positioning module, a satellite receiving signal detection module, an orientation and pitching motor driving servo module, an LED display and key module and a power supply module. The method comprises that 1) the system is electrified and initialized; 2) Beidou/GPS positioning data is analyzed; and 3) automatic satellite searching is started by one key, including calculating the azimuth angle and the pitch angle automatically, driving a motor to search a satellite, detecting the satellite receiving signals, entering a locking state when the signals are greater than a threshold value, and displaying through turning on an LED. The device and the method disclosed by the utility model adopt the Beidou/GPS dual-mode positioning technology and the self-adaption control technology, realizes satellite aiming automatic transformation of the Ku waveband satellite communication portable station antenna, has the effects of simple and convenient operation and efficient satellite aiming, improves the speed of satellite aiming of the antenna, and particularly facilitates satellite aiming at night greatly.
Description
Technical field
The invention belongs to the satellite communication antena technical field, particularly Ku band satellite communication portable station antenna, and the Big Dipper/GPS (Global Positioning System, GPS) Technique of Satellite Navigation and Positioning, adaptive control technology and electromechanical integration technology.
Background technology
Ku band satellite communication portable station is the important site type of satellite communication, simple because of its compact conformation, set up and remove the debit just, has extremely strong portability and mobility, can be applicable to land, aerial and marine fixed communication and emergency communication in emergency circumstances, be fit to very that emergent place is prominent, important motor-driven occasions such as rescue and relief work, exploration scientific investigation, news interview and military communication.Usually, what the protosatellite portable station was equipped with is 0.9 meter single-offset parabolic reflector antenna, because Ku wave band wave beam is narrow, antenna is higher to the star required precision, but because this antenna is designed to craft to the star mode, namely adopt the magnetic compass assist location, adjust azimuth and the angle of pitch of antenna, by the rotary antenna central shaft with regulate elevation angle securing rod and realize star, have following problem and shortage during to star: 1) influenced by periphery electromagnetic environment bigger in the magnetic compass indication.As high-voltage line, transformer station, iron ore mine etc., all can the indication of magnetic compass pointer be exerted an influence, thereby cause unacceptable deviation, be unfavorable for accurately to star; Magnetic compass was not easy to observation when 2) night was to star.Since night insufficient light, bad visibility, the magnetic compass total indicator reading is not easy to observe and measure, and accurately star braid is come very big difficulty; 3) existingly can not intuitively determine the star precision the star method, need observe satellites to receive the Eb/N0 reading of signal, adjust antenna azimuth and the angle of pitch repeatedly till making the reading maximum, at least need two people's compounding practices just can finish, consuming time longer to the star process, be generally 5～10 minutes, night can be longer.Obviously, this craft can not adapt to for communication efficiency requirement height, occasion that the contact task is very urgent the star mode at all, is badly in need of being improved.Referring to: (People's Telecon Publishing House published in 1994 for " satellite communication system ", work such as Cai Jianming) and (http://www.satbase.cn/d271099793.htm, the portable satellite antenna of 0.9m offset-fed backpack).Obtaining aspect the positional information of antenna location, a kind of effective method is to adopt Technique of Satellite Navigation and Positioning.General GPS (the Global Positioning System that adopts of past, GPS) system, now, the Big Dipper navigation positioning system of China's independent development can provide service, for increasing reliability of positioning, can adopt the Big Dipper/GPS bimodulus location technology, obtain local longitude and latitude, can calculate azimuth and the angle of pitch required to star in conjunction with the synchronous satellite longitude.Referring to: (" satellite navigation location engineering ", the Tan Shusen work, National Defense Industry Press, 2007 publish).For realizing the star process automation, can adopt advanced adaptive control technology, by primary antenna is transformed, after obtaining latitude and longitude information, calculate antenna azimuth and the angle of pitch automatically, driving servomotor searches for automatically to star, and obtain feedback control signal, realize that a key is accurately to star.Referring to: (" feedback control system design and analysis ", Xue Dingyu is outstanding, publishing house of Tsing-Hua University published in 2000) and (based on the carrier-borne satellite tv antenna tracking system of conical scanning, Zou Lijuan, yellow foundation, modern radar, Vol.26, No.10,2004, pp68-70).
0.9 meter traditional single-offset parabolic reflector antenna is produced in batches, and be installed to the various use occasions of Ku band satellite communication portable station, as how least cost, minimum change, it is fast automatic to the star function that it is had, be a problem of being badly in need of solution, the solution of this problem is believed will bring bigger economic and social benefit.
The present invention proposes a kind of Ku band satellite communication portable station antenna automatically to star device and method, carry out less change at original antenna foundation, realize fast and automatically, an accurate key is to star, make the star time was shortened to about 1 minute, and show the star precision by LED, especially bring night to the convenience of star, this invention can be given full play to effective utilization and the potentiality of original antenna, increases substantially the ageing of existing portable satellite station liaison.
Summary of the invention
The objective of the invention is to propose a kind of Ku band satellite communication portable station antenna automatically to star device and method, can realize fast and automatically, an accurate key is to star, improves the ageing of portable satellite station communication.
The invention is characterized in that this device comprises:
Stepping azimuth-drive motor, pitching direct current machine, inclinator, automatic controller, wherein automatic controller comprises again: main control module, the Big Dipper/GPS bimodulus locating module, satellite received signal detection module, orientation and pitching motor drive servo module, LED demonstration and key-press module and power module is formed;
Feature of the present invention is that also this method realizes successively according to the following steps:
Step (1), 0.9 meter Ku band satellite communication antenna former orientation structure and luffing structure are carried out following transformation:
The orientation is that antenna surface is fixed on a centre rotational axis and puts to original structure, rotary sleeve is rotated around fixed center axis, the present invention is on the basis of original structure, increase a small type stepping motor and corresponding machine structural parts, the stepping motor level is placed to the right, the outside directly fixing a pair of travelling gear of the rotary middle spindle of antenna surface links by right-angled intersection deceleration device and motor, the realization orientation to spinning movement;
Pitching is to regulate securing rod supporting antenna face by an elevation angle to original structure, namely a major axis stretches in sleeve, search out behind the star by manually tightening the fixedly relative position of major axis and sleeve of mode, the present invention does not change body construction on the original structure basis, an electric pushrod changes the outfit in former installation site, substitute the original elevation angle and regulate securing rod, provide power by direct current machine, the fixed form of electric pushrod and antenna ends is constant, and flexible stroke is identical with the original structure stroke;
Step (2) installs inclinator additional at original antenna feed assembly support bar;
Step (3) is born frame and pedestal is installed automatic controller at antenna;
Connect the 24V power supply to automatic controller from ICBM SHF satellite terminal device battery box delivery outlet, the descending intermediate frequency 70MHz signal of ICBM SHF satellite terminal equipment intermediate frequency monitoring mouthful output is connected to automatic controller by radio frequency cable, the Big Dipper/gps antenna is connected to automatic controller, inclinator is connected to automatic controller, orientation and the pitching both direction driven by servomotor signal of automatic controller is connected to azimuth-drive motor and pitching motor respectively;
Step (4), system's power-up initializing;
Step (5), the Big Dipper/GPS locator data is resolved;
Step (6) enters automatic star-seeking by key startup, comprises automatic computer azimuth angle and the angle of pitch, the drive motors search of satellite detects satellite received signal, when signal enters lock-out state during greater than threshold value, and by lighting the LED demonstration, buzzer sends rapid sound simultaneously.
The beneficial effect of the technical scheme that the embodiment of the invention provides is:
By 0.9 meter Ku band satellite antenna is carried out orientation and the electronic transformation of pitch orientation, and increase automatic servo control circuit, obtain antenna site longitude and latitude by the Big Dipper/GPS bimodulus locating module, automatically calculate azimuth and the angle of pitch in conjunction with the satellite longitude by governor circuit, and drive motors carries out automatic search of satellite, realized automatically, fast, an accurate key is to the star function, make to the star time by 5～10 minutes original daytimes, night is unpredictable, shorten to about 1 minute, improve ageing that Ku band satellite communication portable station opens greatly, satisfied the requirement that emergency communication is linked up fast.
Description of drawings
Fig. 1 is that Ku band satellite communication portable station is automatically to the star device block diagram.
Fig. 2 is the software program state diagram.
Fig. 3 is orientation step motor control flow chart.
Fig. 4 is pitching DC MOTOR CONTROL flow chart.
Fig. 5 is satellite receiving intermediate frequency signal testing circuit block diagram.
Fig. 6 is the orientation structural representation
Fig. 7 is the luffing structure schematic diagram
Sign in the accompanying drawing is described as follows:
The A/M automatic/hand
The DC/DC DC to DC converter
The GPS global positioning system
KEY controls button
The LED light-emitting diode
The MCU micro controller unit
The POWER power supply
TUNER intermediate-freuqncy signal detecting unit
Embodiment
For making purpose of the present invention, content and advantage clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing.
The present invention proposes a kind of Ku band satellite communication portable station antenna automatically to star device, can realize fast and automatically, an accurate key is to star, improves the ageing of portable satellite station communication.It is characterized in that this device comprises as lower module, as shown in Figure 1:
Stepping azimuth-drive motor, pitching direct current machine, inclinator, automatic controller, wherein automatic controller comprises again: main control module, the Big Dipper/GPS bimodulus locating module, satellite received signal detection module (as shown in Figure 5), orientation and pitching motor drive servo module, LED demonstration and key-press module and power module is formed;
The present invention proposes a kind of Ku band satellite communication portable station antenna simultaneously automatically to the star method,
Feature of the present invention is that also this method realizes successively according to the following steps:
Step (1), 0.9 meter Ku band satellite communication antenna former orientation structure and luffing structure are carried out following transformation:
The orientation is that antenna surface is fixed on a centre rotational axis and puts to original structure, rotary sleeve is rotated around fixed center axis, the present invention is on the basis of original structure, increase a small type stepping motor and corresponding machine structural parts, the stepping motor level is placed to the right, and the outside directly fixing a pair of travelling gear of the rotary middle spindle of antenna surface links by right-angled intersection deceleration device and motor, realize the orientation to spinning movement, as shown in Figure 6;
Pitching is to regulate securing rod supporting antenna face by an elevation angle to original structure, namely a major axis stretches in sleeve, search out behind the star by manually tightening the fixedly relative position of major axis and sleeve of mode, the present invention is on the original structure basis, do not change body construction, an electric pushrod changes the outfit in former installation site, substitute the original elevation angle and regulate securing rod, provide power by direct current machine, the fixed form of electric pushrod and antenna ends is constant, flexible stroke is identical with the original structure stroke, as shown in Figure 7;
Step (2) installs inclinator additional at original antenna feed assembly support bar;
Step (3) is born frame and pedestal is installed automatic controller at antenna;
Connect the 24V power supply to automatic controller from ICBM SHF satellite terminal device battery box delivery outlet, the descending intermediate frequency 70MHz signal of ICBM SHF satellite terminal equipment intermediate frequency monitoring mouthful output is connected to automatic controller by radio frequency cable, the Big Dipper/gps antenna is connected to automatic controller, inclinator is connected to automatic controller, orientation and the pitching both direction driven by servomotor signal of automatic controller is connected to azimuth-drive motor and pitching motor respectively;
Step (4), system's power-up initializing;
Step (5), the Big Dipper/GPS locator data is resolved;
Step (6), enter automatic star-seeking (as shown in Figure 2) by key startup, comprise automatic computer azimuth angle and the angle of pitch, drive motors search of satellite (as shown in Figure 3, Figure 4), detect satellite received signal, when signal enters lock-out state during greater than threshold value, and show that by lighting LED buzzer sends rapid sound simultaneously.
Above specific embodiments of the invention are had been described in detail, but the present invention is not restricted to above-described embodiment.Within the spirit and principle of claim of the present invention, any modification of doing, be equal to and replace and improvement etc., all should be included within protection scope of the present invention.
Claims (1)
1. a Ku band satellite is communicated by letter the portable station antenna automatically to star device and method,
The invention is characterized in that this device comprises:
Stepping azimuth-drive motor, pitching direct current machine, inclinator, automatic controller, wherein automatic controller comprises again: main control module, the Big Dipper/GPS bimodulus locating module, satellite received signal detection module, orientation and pitching motor drive servo module, LED demonstration and key-press module and power module is formed;
Feature of the present invention is that also this method realizes successively according to the following steps:
Step (1), 0.9 meter Ku band satellite communication antenna former orientation structure and luffing structure are carried out following transformation:
The orientation is that antenna surface is fixed on a centre rotational axis and puts to original structure, rotary sleeve is rotated around fixed center axis, the present invention is on the basis of original structure, increase a small type stepping motor and corresponding machine structural parts, the stepping motor level is placed to the right, the outside directly fixing a pair of travelling gear of the rotary middle spindle of antenna surface links by right-angled intersection deceleration device and motor, the realization orientation to spinning movement;
Pitching is to regulate securing rod supporting antenna face by an elevation angle to original structure, namely a major axis stretches in sleeve, search out behind the star by manually tightening the fixedly relative position of major axis and sleeve of mode, the present invention does not change body construction on the original structure basis, an electric pushrod changes the outfit in former installation site, substitute the original elevation angle and regulate securing rod, provide power by direct current machine, the fixed form of electric pushrod and antenna ends is constant, and flexible stroke is identical with the original structure stroke;
Step (2) installs inclinator additional at original antenna feed assembly support bar;
Step (3) is born frame and pedestal is installed automatic controller at antenna;
Connect the 24V power supply to automatic controller from ICBM SHF satellite terminal device battery box delivery outlet, the descending intermediate frequency 70MHz signal of ICBM SHF satellite terminal equipment intermediate frequency monitoring mouthful output is connected to automatic controller by radio frequency cable, the Big Dipper/gps antenna is connected to automatic controller, inclinator is connected to automatic controller, orientation and the pitching both direction driven by servomotor signal of automatic controller is connected to azimuth-drive motor and pitching motor respectively;
Step (4), system's power-up initializing;
Step (5), the Big Dipper/GPS locator data is resolved;
Step (6) enters automatic star-seeking by key startup, comprises automatic computer azimuth angle and the angle of pitch, the drive motors search of satellite detects satellite received signal, when signal enters lock-out state during greater than threshold value, and by lighting the LED demonstration, buzzer sends rapid sound simultaneously.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104914876A (en) * | 2015-06-11 | 2015-09-16 | 南京中网卫星通信股份有限公司 | Beidou/GPS double-positioning satellite-finding control system having spectrum monitoring function and application method thereof |
| CN105404312A (en) * | 2015-10-27 | 2016-03-16 | 航天恒星科技有限公司 | Position tracking method and device applied to portable station |
| CN106772466A (en) * | 2016-11-17 | 2017-05-31 | 中国西安卫星测控中心 | A kind of near-earth satellite target automatic capture algorithm based on shape facility search |
| CN109412680A (en) * | 2018-12-17 | 2019-03-01 | 中国人民解放军陆军工程大学 | Portable satellite communication portable station all-in-one machine |
| CN112393757A (en) * | 2019-08-19 | 2021-02-23 | 上海优异达机电有限公司 | Automatic monitoring press-mounting machine for automobile fuse box |
| CN114301517A (en) * | 2021-12-30 | 2022-04-08 | 中国电信股份有限公司卫星通信分公司 | High-flux switching control method based on conventional Ku satellite portable station |
| CN115459836A (en) * | 2022-11-11 | 2022-12-09 | 南京控维通信科技有限公司 | Wind-resistant and anti-interference rapid automatic satellite alignment method and system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104914876A (en) * | 2015-06-11 | 2015-09-16 | 南京中网卫星通信股份有限公司 | Beidou/GPS double-positioning satellite-finding control system having spectrum monitoring function and application method thereof |
| CN105404312A (en) * | 2015-10-27 | 2016-03-16 | 航天恒星科技有限公司 | Position tracking method and device applied to portable station |
| CN106772466A (en) * | 2016-11-17 | 2017-05-31 | 中国西安卫星测控中心 | A kind of near-earth satellite target automatic capture algorithm based on shape facility search |
| CN106772466B (en) * | 2016-11-17 | 2019-01-11 | 中国西安卫星测控中心 | A kind of near-earth satellite target automatic capture algorithm based on shape feature search |
| CN109412680A (en) * | 2018-12-17 | 2019-03-01 | 中国人民解放军陆军工程大学 | Portable satellite communication portable station all-in-one machine |
| CN109412680B (en) * | 2018-12-17 | 2024-06-11 | 中国人民解放军陆军工程大学 | Portable station all-in-one of light satellite communication |
| CN112393757A (en) * | 2019-08-19 | 2021-02-23 | 上海优异达机电有限公司 | Automatic monitoring press-mounting machine for automobile fuse box |
| CN114301517A (en) * | 2021-12-30 | 2022-04-08 | 中国电信股份有限公司卫星通信分公司 | High-flux switching control method based on conventional Ku satellite portable station |
| CN115459836A (en) * | 2022-11-11 | 2022-12-09 | 南京控维通信科技有限公司 | Wind-resistant and anti-interference rapid automatic satellite alignment method and system |
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Inventor after: Shi Qicun Inventor after: Wu Xiaohui Inventor after: Ju Zhengxi Inventor after: Zhang Weiqi Inventor after: Wu Hongwei Inventor before: Ju Zhengxi Inventor before: Shi Qicun Inventor before: Zhang Weiqi Inventor before: Wu Hongwei Inventor before: Wang Zhenlin |
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Free format text: CORRECT: INVENTOR; FROM: JU ZHENGXI SHI QICUN ZHANG WEIQI WU HONGWEI WANG ZHENLIN TO: SHI QICUN WU XIAOHUI JU ZHENGXI ZHANG WEIQI WU HONGWEI |
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Application publication date: 20131002 |