CN102361170B - Mechanical limiting method for automatic satellite finding antenna - Google Patents
Mechanical limiting method for automatic satellite finding antenna Download PDFInfo
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- CN102361170B CN102361170B CN201110269451.1A CN201110269451A CN102361170B CN 102361170 B CN102361170 B CN 102361170B CN 201110269451 A CN201110269451 A CN 201110269451A CN 102361170 B CN102361170 B CN 102361170B
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Abstract
The invention discloses a mechanical limiting method for an automatic satellite finding antenna. The mechanical limiting method is characterized by comprising the following steps of: measuring a position value of an electronic compass through a control system, calculating an angle for rotating the antenna on the position angle according to the longitude of a satellite to be found; automatically controlling a position rotating shaft of the antenna to rotate through a motor and stopping rotating after reaching the measured position; if the best signal of the satellite is found by the antenna, stopping rotating, if not, finely tuning the antenna in a certain angle close to a pausing position to find the best signal. According to the mechanical limiting method provided by the invention, by adopting the mechanical limiting protection, the limiting protection to the antenna is safer and more reliable.
Description
Technical field
A kind of limit method that the present invention relates to full-automatic star finding antenna, belongs to satellite antenna technical field.
background of invention
Generally speaking, can pass through mode or motor automated manner control satellite antenna pitching angle and orientation values manually, realize and seek star control.Wherein, while adopting the azimuth rotation of Electric Machine Control antenna, the situation that may break down and cannot stop because of electric machine rotation, therefore needs stopping means that antenna is rotated and stops.Current antenna stopping means is on the market to control to reach the rotation in control antenna orientation by Hall switch; and then reach limit effect; but Hall switch needs the power supply of system to move equally; and this electronic device easily damages, if infringement occurs, and antenna carries out orientation running; can lose position limitation protection; if antenna operative mechanism is made mistakes simultaneously, antenna will unrestrictedly rotate down, causes burn-down of electric motor and cable to turn disconnected phenomenon.Therefore merely by the method for Hall switch, carry out spacing safe not in orientation angles.
Therefore need a kind of safe, reliable, mechanical limit method to realize the position limitation protection to antenna bearingt rotation direction.Traditional mechanical stop limiter, stop portion is generally a fixing limit point, when antenna, determines and seeks behind star orientation; antenna starts rotation; when the postive stop baffle running on antenna rotating disk touches this limit point, antenna stops operating, thereby reaches the effect of protection antenna.Actual seek star to star process in, if antenna seek the position that championship is set to limit point, also need to finely tune, hinder the fine setting of antenna in orientation, cannot find target-seeking optimum signal.
Summary of the invention
In order to overcome the deficiencies in the prior art, the object of the present invention is to provide a kind of mechanical position limitation method of automatic star-finding antenna.
The present invention adopts following scheme to realize object:
A mechanical position limitation method for automatic star-finding antenna, is characterized in that comprising the following steps:
(1) first control system measures the orientation values of electronic compass, according to the satellite place longitude that will find, calculates the angle that antenna needs rotation in orientation angles;
(2) the direction rotating shaft automatic rotating of antenna, arrives after on calculating given orientation and suspends and rotate, if antenna searches out the optimum signal of satellite, stop operating, otherwise, near the scope of certain angle that can be suspending position, finely tune, can find optimum signal;
(3) if the electric rotating machine of antenna breaks down, uncontrollable antenna rotation stops, after the rotating to an angle of antenna, the postive stop baffle being fixed in antenna bearingt rotating shaft will collide position limiting slide block, arrive high order end or the low order end of spacing dovetail guide together with position limiting slide block, thereby stop being rotated further of antenna.
The mechanical position limitation method of aforesaid automatic star-finding antenna, is characterized in that the rotating shaft of step (1) control electric machine rotation antenna bearingt, makes the anglec of rotation of antenna be no more than 180 °;
The mechanical position limitation method of aforesaid automatic star-finding antenna, is characterized in that the fine setting described in step (2) is to carry out in suspending the scope of position ± 15 °.
The mechanical position limitation method of aforesaid automatic star-finding antenna, is characterized in that 165 ° to 195 ° of the rotations of antenna in step (3).
Feature of the present invention is as follows:
Adopt mechanical mode position limitation protection mode; even if the rotation of antenna is out of hand; postive stop baffle on antenna rotating disk collides position limiting slide block; position limiting slide block can slide in limit sliding chutes; maximum stroke movement is the two ends of limit sliding chutes; and then the continuation that stops antenna to rotate, safer for the position limitation protection of antenna, more reliable.
Adopt slidably chute-type stopping means, the star mechanism of seeking that more meets antenna, while making antenna rotate to the approximate location in indication orientation as calculated in orientation, can in the scope of ± 15 °, finely tune, adopt slidingtype stopping means can omnibearingly meet the fine setting in orientation.
In sum, the present invention reaches the security limitations in automatic star-finding antenna orientation by mechanical mode, is different from traditional single-point type spacing, can meet well the star mechanism of seeking of automatic star-finding antenna.
Accompanying drawing explanation
Fig. 1 is the structural representation of the mechanical stop limiter of automatic star-finding antenna of the present invention.
Fig. 2 is the mechanical position limitation process schematic diagram of automatic star-finding antenna of the present invention.
Embodiment
Below with reference to accompanying drawing, illustrate technical scheme of the present invention.
Fig. 1 is the structural representation of stopping means in the present invention, shown in Fig. 1, a kind of stopping means for automatic star-finding antenna, comprise: antenna bearingt rotating shaft 1, postive stop baffle 2, spacing dovetail guide 3, position limiting slide block 4, wherein, postive stop baffle 2 is arranged in antenna bearingt rotating shaft 1 and points to the initial position of satellite antenna, is set in spacing dovetail guide 3 in position limiting slide block 4, can slide along chute; Spacing dovetail guide 3 is fixed on outside other devices, and with the tangent setting of antenna bearingt rotating shaft 1.The center of circle three of the central point of spacing dovetail guide 3, postive stop baffle 2, antenna bearingt rotating shaft 1 is on same straight line, and the line at the center of circle of antenna bearingt rotating shaft 1 and spacing dovetail guide 3 two ends is angle 30
0, to be satisfied with the fine setting of satellite antenna.
Fig. 2 is the mechanical position limitation process schematic diagram of automatic star-finding antenna of the present invention, and shown in Fig. 2, the mechanical position limitation method of automatic star-finding antenna, comprises the following steps:
(1) first control system measures the orientation values (being illustrated in figure 1 the initial position of antenna bearingt rotary state) of electronic compass, again according to the satellite place longitude that will find, calculate antenna needs the angle of rotation in orientation angles, select the anglec of rotation of antenna to be no more than 180 ° of directions control electric machine rotation antenna bearingt rotating shaft 1, the orientation values that for example arrives star that antenna is sought is clockwise direction half-twist or counterclockwise above rotates 270 °, clockwise direction half-twist is selected in software judgement, and the angle of antenna rotation will be no more than 180 ° like this.
(2) direction rotating shaft of antenna starts automatic rotating, arrives after on calculating given orientation and suspends and rotate, if now antenna searches out the optimum signal of satellite, stop operating, otherwise, can in suspending the scope of position ± 15 °, finely tune, can find optimum signal.Because antenna initial rotation angle degree is no more than at most 180 °, so antenna is no matter rotate up to which side the mid point that maximum rotates to spacing dovetail guide 3, and now the free adjustment degree of antenna in orientation can reach 15 °, meets the fine setting scope of antenna.
(3) electric rotating machine when antenna breaks down, uncontrollable antenna rotation stops, now the rotation angle range of antenna is 165 ° to 195 ° (180-15=165 °, 180+15=195 °), the postive stop baffle 2 being fixed in antenna bearingt rotating shaft 1 will collide position limiting slide block 4, arrive high order end or the low order end of spacing dovetail guide 3 together with position limiting slide block, thereby stop being rotated further of antenna.
Claims (1)
1. a mechanical position limitation method for automatic star-finding antenna, is characterized in that comprising the following steps:
(1) control system is measured the orientation values of electronic compass, according to the satellite place longitude that will find, calculates the angle that antenna needs rotation in orientation angles, controls the rotating shaft of electric machine rotation antenna bearingt, makes the anglec of rotation of antenna be no more than 180 °;
(2) direction rotating shaft of the automatic control antenna of motor rotates, and arrives after on calculating given orientation and suspends and rotate, if antenna searches out the optimum signal of satellite, stop operating, otherwise, can in suspending the scope of position ± 15 °, finely tune, can find optimum signal;
(3) if the electric rotating machine of antenna breaks down, uncontrollable antenna rotation stops, after 165 ° to 195 ° of the rotations of antenna, the postive stop baffle being fixed in antenna bearingt rotating shaft will collide position limiting slide block, arrive high order end or the low order end of spacing dovetail guide together with position limiting slide block, thereby stop being rotated further of antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110269451.1A CN102361170B (en) | 2011-09-13 | 2011-09-13 | Mechanical limiting method for automatic satellite finding antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110269451.1A CN102361170B (en) | 2011-09-13 | 2011-09-13 | Mechanical limiting method for automatic satellite finding antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102361170A CN102361170A (en) | 2012-02-22 |
| CN102361170B true CN102361170B (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110269451.1A Active CN102361170B (en) | 2011-09-13 | 2011-09-13 | Mechanical limiting method for automatic satellite finding antenna |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101609922A (en) * | 2009-07-13 | 2009-12-23 | 南京中网卫星通信股份有限公司 | Automatic recovery control device of a kind of on-vehicle closed-loop direct current motor and control method thereof |
| CN101699220A (en) * | 2009-10-21 | 2010-04-28 | 南京中网卫星通信股份有限公司 | Automatic correction control device for electronic compass of vehicle-mounted satellite antenna and control method thereof |
| CN201532582U (en) * | 2009-11-19 | 2010-07-21 | 公安部上海消防研究所 | Portable satellite antenna automatic finding control system |
| CN201535675U (en) * | 2009-10-21 | 2010-07-28 | 南京中网卫星通信股份有限公司 | Automatic correction control device of vehicular satellite antenna electronic compass |
| CN102075227A (en) * | 2009-11-24 | 2011-05-25 | 中国移动通信集团公司 | System and method for controlling satellite finding antenna |
-
2011
- 2011-09-13 CN CN201110269451.1A patent/CN102361170B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101609922A (en) * | 2009-07-13 | 2009-12-23 | 南京中网卫星通信股份有限公司 | Automatic recovery control device of a kind of on-vehicle closed-loop direct current motor and control method thereof |
| CN101699220A (en) * | 2009-10-21 | 2010-04-28 | 南京中网卫星通信股份有限公司 | Automatic correction control device for electronic compass of vehicle-mounted satellite antenna and control method thereof |
| CN201535675U (en) * | 2009-10-21 | 2010-07-28 | 南京中网卫星通信股份有限公司 | Automatic correction control device of vehicular satellite antenna electronic compass |
| CN201532582U (en) * | 2009-11-19 | 2010-07-21 | 公安部上海消防研究所 | Portable satellite antenna automatic finding control system |
| CN102075227A (en) * | 2009-11-24 | 2011-05-25 | 中国移动通信集团公司 | System and method for controlling satellite finding antenna |
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| Publication number | Publication date |
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| CN102361170A (en) | 2012-02-22 |
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Denomination of invention: Mechanical limiting method for automatic satellite finding antenna Effective date of registration: 20150805 Granted publication date: 20140409 Pledgee: Bank of Nanjing, Zhujiang branch, Limited by Share Ltd Pledgor: Nanjing China-Spacenet Telecom Co., Ltd. Registration number: 2015990000649 |
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