CN201001174Y - Automatic satellite-finding device - Google Patents
Automatic satellite-finding device Download PDFInfo
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- CN201001174Y CN201001174Y CNU2007200061496U CN200720006149U CN201001174Y CN 201001174 Y CN201001174 Y CN 201001174Y CN U2007200061496 U CNU2007200061496 U CN U2007200061496U CN 200720006149 U CN200720006149 U CN 200720006149U CN 201001174 Y CN201001174 Y CN 201001174Y
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- satellite antenna
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Abstract
The utility model relates to an automatic satellite searching device, which comprises a bottom seat, a horizontal rotating platform, a vertical rotating arm, and a satellite antenna. The bottom seat is provided with an initial direction indication sign; the horizontal rotating platform and the vertical rotating arm are connected with an electric control device, the electric control device comprises a control circuit connected with a power supply, a motor and the transmission components thereof, a motor driving circuit, and a signal detecting input interface. The control circuit can carry out the following functions: first, the control circuit controls the horizontal rotating platform and the vertical rotating arm to drive the antenna to rotate to the preset position, and then detects the satellite signal, if the signal exists, the antenna is finely adjusted to find the strongest signal, and if the signal does not exist, the control circuit makes the antenna search in a large range first, and then finely adjusted to find the strongest signal after the signal is found. Not only the utility model can quickly and accurately locate the satellite, but also the structure is simple, the fabrication cost is low, the operation is simple, and the utility model is convenient for carrying and operation in the field, therefore the utility model is suitable for ordinary consumers without satellite receiving knowledge, and can also assist amateurs or professionals to locate the satellite at the quickest speed.
Description
Technical field
The utility model relates to a kind of automatic seeker.
Background technology
Digital satellite television developed rapidly in recent years, utilized geostationary satellite the TV signal of digital coding compression to be transferred to a kind of radio and television form of user side.Mainly contain dual mode: a kind of is that digital television signal is sent to Headend, converts simulated television to by cable TV station again and is sent in the user family.This form in the countries in the world popularization and application for many years.Another kind of mode is that digital television signal directly is sent in the user family promptly: Direct to Home (DTH) mode.U.S. Direct TV company is first satellite television operation company that uses this technology.Compare with first kind of mode, DTH mode satellites transmits power is big, and available less antenna receives, and average family can use.Simultaneously, can directly provide, carry out Digital Television subscriber authorisation and encryption handling, pay-per-view TV (PPV), the Advanced Television service of types such as high definition TV is not limited by intermediate link.The DTH mode can also be carried out other digital information services outside many TV service in addition, as INTERNET high-speed downloads, interactive TV etc.
A typical DTH system mainly is made up of six parts: 1. front end system (Headend); 2. transmit and up-link (Uplink); 3. satellite (Satellite); 4. Subscriber Management System (SMS); 5. condition receiving system (CA); 6. user receiving system (IRD).Traditional DTH user receiving system is made up of a small-sized dish-shaped satellite earth antenna (Dish) and Integrated Receive Decoder (IRD) and smart card (Smart Card), there is following problem in its use: setting up of the middle-size and small-size dish-shaped satellite earth antenna of legacy user's receiving system needs the professional to carry out, and the professional knowledge that relates to relevant satellite reception aspect is more.At first, setting up of satellite antenna must local longitude and latitude and the relation between the reception satellite, the i.e. normal polarizing angle of saying of star friend, azimuth, the elevation angle, tuner local oscillator, the reception parameter or the like of elder generation's understanding.Secondly, traditional satellite earth antenna must have been reconnoitred landform fixed support then earlier when mounted, the polarizing angle of preset tuner, the correct parameter of input in receiver, the level of Nai Xin rotary antenna and vertical direction afterwards, up to finding faint satellite-signal, carry out careful fine setting again, fixing at last; It is mobile to guarantee also during operation that antenna is not touched, otherwise also will adjust again.So a lot of fans or consumer hope antenna and step back.
The utility model content
In order to solve existing in prior technology the problems referred to above, the utility model provides a kind of automatic seeker, it not only can seek the predetermined satellite-signal that receives automatically quickly and accurately, and it is simple in structure, cost is low, operates simple and easyly, is convenient to carry and open-air the use, be specially adapted to the common consumer that satellite receives knowledge that do not possess, more can assist fan or professional person with the fastest speed position location satellite.
The technical scheme of the utility model automatic seeker is to constitute like this, and it comprises base, horizontal rotary pedestal, vertical rotation arm, satellite antenna, and susceptor surface is provided with the inceptive direction Warning Mark; Horizontal rotary pedestal and base are rotationally connected, and can rotate to adjust the satellite antenna azimuth relative to the determined horizontal plane of base; The vertical rotation arm is articulated on the horizontal rotary pedestal, and its movable end can be swung to adjust the satellite antenna elevation angle around pin joint in perpendicular to the plane of horizontal rotary pedestal; Satellite antenna and vertical rotation arm are rotationally connected adjusting the satellite antenna polarizing angle, and its rotation axis is simultaneously perpendicular to vertical rotation arm, and the jointed shaft of vertical rotation arm and horizontal rotary pedestal; Described horizontal rotary pedestal is connected with electric control gear respectively with the vertical rotation arm, described electric control gear comprises the control circuit that is connected with power supply, motor and drive disk assembly thereof, be connected in the motor-drive circuit between control circuit and the motor, be connected in the input input interface between satellite antenna and the control circuit, described control circuit can carry out following function: a. elder generation's controlling level rotatable platform and vertical rotation arm drive satellite antenna turns to azimuth and the pitch position that presets, b. be that satellite-signal is detected at the center then with this position, if detect signal, then control satellite antenna and do the meticulous adjustment of orientation and pitch orientation, up to searching peak signal, if do not detect signal, then controlling satellite antenna does snakelike or spiral search, after searching signal, carry out meticulous adjustment again, up to searching peak signal.
In the technique scheme, for the angle to horizontal rotary pedestal and the rotation of vertical rotation arm limits, described base is provided with a pair of azimuth rotation limit switch, and horizontal rotary pedestal is provided with a pair of pitch rotation limit switch, and described limit switch all is connected with control circuit.Described limit switch can be used as horizontal rotary pedestal and the vertical rotation arm trigger switch when resetting on the one hand, on the other hand, can prevent that also other factors from causing rotating the excessive damage motor.
In order to make the user be well understood to the whole operating state of device, also be provided with the indicator light or the indicator panel that are connected with control circuit on the base.
In addition, further improvement in the technical proposal is: described control circuit has the memory storage function, can remember the data that success is located, and preferentially sounds out when being used for next search of satellite.
The course of work of the present utility model is described as follows: (1) earlier is positioned over base the stable place of approximate horizontal, guarantees that satellite antenna the place ahead do not block object; (2) then satellite antenna is installed on the vertical rotation arm, according to the longitude and latitude of locality table look-up obtain the predetermined polarizing angle that receives satellite after, rotate satellite antenna and to the direction that polarizes, fixed; (3) adjust base, (as this inceptive direction Warning Mark is the guide sign to make its northern or a certain specific direction in inceptive direction Warning Mark rough alignment rough alignment south, then can make inceptive direction Warning Mark rough alignment south) according to compass indication south direction; (4) energized, control circuit drives motor and drive disk assembly thereof drive horizontal rotary pedestal rotation earlier and the rotation of vertical rotation arm resets, after touching limit switch, drive satellite antenna again and accurately turn to the predetermined set position, perhaps control circuit drives directly that horizontal rotary pedestal rotates and vertical rotation arm drive satellite antenna turns to the predetermined set position; (5) begin to detect satellite-signal in the precalculated position, if detect signal, then control circuit passes through motor-drive circuit, motor and drive disk assembly thereof drive the meticulous adjustment that satellite antenna is done orientation and pitch orientation, up to searching peak signal, if this position signalling is weak or no signal (position of platform is placed inaccurate), then controlling level rotatable platform and vertical rotation arm rotate synchronously, in the orientation ± 15 degree, do snakelike or spiral search in the angular range of pitching ± 10 degree, after searching signal, do ten/once fine search again, after searching peak signal, fix antenna.The signal search process, extensive search and fine search, indicator light or indicator panel all have obvious indication.
Than prior art, the utlity model has following advantage: (1) operation is simple and easy, the user needn't understand knowledge and the operation principle that related satellite receives, as long as understand roughly direction (as southern direction), connecting with the mains just can receive satellite programming quickly and easily, is suitable for numerous fans and consumer and uses; (2) simple in structure, volume is little, can carry, and therefore is suitable for field work; (3) cost is low, and is economic and practical; (4) can seek the predetermined satellite-signal that receives automatically quickly and accurately, both be specially adapted to the common consumer that satellite receives knowledge that do not possess, can assist fan or professional person again with the fastest speed position location satellite.
Description of drawings
Fig. 1 is the utility model organigram.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the operation principle block diagram of the utility model electric control gear.
Fig. 4 is a kind of circuit connection diagram that is adopted of the utility model electric control gear.
Embodiment
Below in conjunction with specification drawings and specific embodiments the utility model content is elaborated.
The utility model embodiment comprises following two parts:
(1) the automatic star-seeking method is characterized in that, seeks best satellite-signal receiving position according to following steps: 1. set in advance in the control circuit of satellite-finding device and receive satellite and reception ground longitude and latitude parameter, or level and vertical angle parameter directly are set; 2. with the northern or a certain specific direction in the south of the direction sign rough alignment on the satellite-finding device, basic horizontal is placed; 3. obtain to receive the polarizing angle of satellite by tabling look-up, adjust satellite antenna and to this polarizing angle, fixed; 4. energized is controlled satellite antenna and is turned to the precalculated position of control circuit; 5. be that satellite-signal is detected at the center then with this position, if detect signal, then control satellite antenna and do the meticulous adjustment of level and vertical direction, up to searching peak signal, if do not detect signal, then control satellite antenna and do snakelike or the spirality extensive search, search signal after, carry out meticulous adjustment again, up to searching peak signal; 6. after searching peak signal, the locking satellite antenna.
Above-mentioned satellite antenna is being done snakelike or during spiral search, preferably control satellite antenna in the orientation ± 15 degree, search in the angular range of pitching ± 10 degree (can enlarge as required or dwindle); During meticulous adjustment, the control satellite antenna is searched in the angular range of ten/once (can enlarge or dwindle precision as required), up to searching peak signal.
In whole search process, all each operating state is shown by indicator light or the indicator panel that is connected with control circuit.
(2) automatic seeker, its structure are shown in Fig. 1-2, and it comprises base 1, horizontal rotary pedestal 2, vertical rotation arm 3, satellite antenna 4, and susceptor surface is provided with inceptive direction Warning Mark 11; Horizontal rotary pedestal and base are rotationally connected, and can rotate to adjust the satellite antenna azimuth relative to the determined horizontal plane of base; The vertical rotation arm is articulated on the horizontal rotary pedestal, and its movable end can be swung to adjust the satellite antenna elevation angle around pin joint in perpendicular to the plane of horizontal rotary pedestal; Satellite antenna and vertical rotation arm are rotationally connected adjusting the satellite antenna polarizing angle, and its rotation axis 41 is simultaneously perpendicular to vertical rotation arm, and the jointed shaft 31 of vertical rotation arm and horizontal rotary pedestal; Described horizontal rotary pedestal is connected with electric control gear 5 respectively with the vertical rotation arm.
Described base is provided with a pair of limit switch 61,62 that horizontally rotates, and horizontal rotary pedestal is provided with a pair of vertical rotation limit switch 71,72, and described limit switch all is connected with control circuit.Also be provided with the indicator light or the indicator panel that are connected with control circuit on the base.
As shown in Figure 3, described electric control gear comprises the control circuit that is connected with power supply, motor 51 and drive disk assembly thereof, be connected in motor-drive circuit between control circuit and the motor (during making, control circuit and motor-drive circuit etc. can be integrated on the circuit board, be located in the base, shown in 52 among Fig. 1), be connected in the input input interface between satellite antenna and the control circuit, described control circuit can carry out following function: a. elder generation's controlling level rotatable platform and vertical rotation arm drive satellite antenna turns to azimuth and the pitch position that presets, b. be that satellite-signal is detected at the center then with this position, if detect signal, then control satellite antenna and do the meticulous adjustment of orientation and pitch orientation, up to searching peak signal, if do not detect signal, then controlling satellite antenna does snakelike or spiral search, after searching signal, carry out meticulous adjustment again, up to searching peak signal.
Motor and drive disk assembly thereof can be made up of motor 51 and gear drive or turbine and worm transmission device or other transmission device.
On the circuit design, can adopt hardware " house dog " circuit and motor non-contact control circuit, have power saving, advantage that reliability is high, be illustrated in figure 4 as a kind of concrete circuit connection diagram that the utility model adopts, certainly, the utility model also can adopt other different circuit connection structure;
On the software design, can adopt intelligent multitask working method thinking, use the helical path or the snakelike circuit search of satellite signals that progressively extend out from the center, and described control circuit have the memory storage function, can memory success data of locating, preferentially sound out when being used for next search of satellite.
Claims (4)
1. automatic seeker, it is characterized in that: it comprises base (1), horizontal rotary pedestal (2), vertical rotation arm (3), satellite antenna (4), and susceptor surface is provided with inceptive direction Warning Mark (11); Horizontal rotary pedestal and base are rotationally connected, and can rotate to adjust the satellite antenna azimuth relative to the determined horizontal plane of base; The vertical rotation arm is articulated on the horizontal rotary pedestal, and its movable end can be swung to adjust the satellite antenna elevation angle around pin joint in perpendicular to the plane of horizontal rotary pedestal; Satellite antenna and vertical rotation arm are rotationally connected adjusting the satellite antenna polarizing angle, and its rotation axis (41) is simultaneously perpendicular to vertical rotation arm, and the jointed shaft (31) of vertical rotation arm and horizontal rotary pedestal; Described horizontal rotary pedestal is connected with electric control gear (5) respectively with the vertical rotation arm, described electric control gear comprises the control circuit that is connected with power supply, motor (51) and drive disk assembly thereof, be connected in the motor-drive circuit between control circuit and the motor, be connected in the input input interface between satellite antenna and the control circuit, described control circuit can carry out following function: a. elder generation's controlling level rotatable platform and vertical rotation arm drive satellite antenna turns to azimuth and the pitch position that presets, b. be that satellite-signal is detected at the center then with this position, if detect signal, then control satellite antenna and do the meticulous adjustment of orientation and pitch orientation, up to searching peak signal, if do not detect signal, then controlling satellite antenna does snakelike or spiral search, after searching signal, carry out meticulous adjustment again, up to searching peak signal.
2. automatic seeker according to claim 1, it is characterized in that: described base is provided with a pair of limit switch (61,62) that horizontally rotates, horizontal rotary pedestal is provided with a pair of vertical rotation limit switch (71,72), and described limit switch all is connected with control circuit.
3. automatic seeker according to claim 1 and 2 is characterized in that: also be provided with the indicator light or the indicator panel that are connected with control circuit on the base.
4. automatic seeker according to claim 3 is characterized in that: described control circuit has the memory storage function, can remember the data that success is located, and preferentially sounds out when being used for next search of satellite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200061496U CN201001174Y (en) | 2007-01-22 | 2007-01-22 | Automatic satellite-finding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200061496U CN201001174Y (en) | 2007-01-22 | 2007-01-22 | Automatic satellite-finding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201001174Y true CN201001174Y (en) | 2008-01-02 |
Family
ID=39015575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200061496U Expired - Fee Related CN201001174Y (en) | 2007-01-22 | 2007-01-22 | Automatic satellite-finding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201001174Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102030114A (en) * | 2010-11-16 | 2011-04-27 | 中国航天科技集团公司第五研究院第五一○研究所 | Four-axis two-dimensional pointing mechanism |
| CN103579760A (en) * | 2013-10-14 | 2014-02-12 | 东华大学 | Swing mechanism in ship-borne antenna tracker |
| CN110190399A (en) * | 2019-06-27 | 2019-08-30 | 中信海洋（舟山）卫星通信有限公司 | The wave method for searching star of Shipborne satellite antenna |
-
2007
- 2007-01-22 CN CNU2007200061496U patent/CN201001174Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102030114A (en) * | 2010-11-16 | 2011-04-27 | 中国航天科技集团公司第五研究院第五一○研究所 | Four-axis two-dimensional pointing mechanism |
| CN103579760A (en) * | 2013-10-14 | 2014-02-12 | 东华大学 | Swing mechanism in ship-borne antenna tracker |
| CN103579760B (en) * | 2013-10-14 | 2015-10-07 | 东华大学 | Swing mechanism in a kind of ship-borne antenna tracker |
| CN110190399A (en) * | 2019-06-27 | 2019-08-30 | 中信海洋（舟山）卫星通信有限公司 | The wave method for searching star of Shipborne satellite antenna |
| CN110190399B (en) * | 2019-06-27 | 2021-03-16 | 中信海洋（舟山）卫星通信有限公司 | Wave type satellite finding method of shipborne satellite antenna |
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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: 20080102 Termination date: 20120122 |