CN103682632A - Satellite finding method and satellite finder - Google Patents
Satellite finding method and satellite finder Download PDFInfo
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- CN103682632A CN103682632A CN201310740602.6A CN201310740602A CN103682632A CN 103682632 A CN103682632 A CN 103682632A CN 201310740602 A CN201310740602 A CN 201310740602A CN 103682632 A CN103682632 A CN 103682632A
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- satellite
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Abstract
The invention discloses a satellite finding method and a satellite finder. The satellite finding method is characterized by obtaining a preset frequency point of a satellite by inputting satellite information into the satellite finder; controlling a 22K control module and the output of a voltage control module according to the preset frequency point; sending a locking command to a tuner to achieve the locking of the tuner; adjusting the elevation angle and the azimuth of an antenna, wherein a set top box achieves communication with the tuner during an adjusting process; adjusting gain voltage AGC (Automatic Gain Control) according to the signal strength which the set top box feeds back to the tuner; sending a prompt message to prompt that the antenna is aligned with the satellite until the signal strength reaches a preset range; completing a satellite finding process. According to the scheme of the satellite finding method and the satellite finder, a user can adjust the antenna only by inputting the satellite information into the satellite finder to achieve satellite alignment of a satellite antenna, the operation is simple and a user can complete the operation himself.
Description
Technical field
The present invention relates to seek star field, relate in particular to a kind of method for searching star and star finder.
Background technology
General satellite antenna need to have special antenna installation personnel to hold star finder to star to complete, the star finder complicated operation that special antenna installation personnel is hand-held, its mode of operation is that ordinary family user is not wield, therefore, ordinary family user want to realize satellite antenna to star, only have the upper door operation of waiting for special antenna installation personnel, user can not own realization to satellite antenna to star.
Summary of the invention
In view of this, the invention provides a kind of method for searching star and star finder, to solve star finder complicated operation in prior art, user can not realize the shortcoming that oneself operates, and its concrete scheme is as follows:
A method for searching star, application star finder, comprising:
Input satellite information;
According to the preset frequency of described satellite, control the output of 22K control module and voltage control module, realize the control to tuner LNB operating state;
To tuner tuner, send lock command, realize the locking of tuner;
The variation of the signal strength signal intensity receiving according to described tuner, adjusts gain voltage AGC, until signal strength signal intensity reaches preset range, prompting completes.
Further, also comprise:
After having pointed out, close star finder, realize the direct-connected of satellite antenna and Set Top Box.
Further, also comprise:
The preset frequency of satellite of pre-stored a plurality of satellites, according to the satellite information of input, searches the preset frequency of satellite of described satellite.
Further, described prompting completes and is specially:
When voice prompt reaches preset frequency, prompting is sought star and is completed.
A kind of star finder, be connected with satellite antenna and Set Top Box respectively, comprise: the tuner tuner being connected with LNB mouth on satellite antenna, the 22K control module being connected respectively with tuner, voltage control module, gain voltage AGC control module, the output of tuner is connected with Set Top Box, the reminding module being connected with tuner, the master controller being connected with 22K control module and voltage control module respectively
Master controller receives the satellite information of input, controls the output of described 22K control module and voltage control module according to the preset frequency of described satellite, realizes the control to LNB operating state;
Described master controller sends lock command to described tuner, realizes the locking of tuner;
The signal strength signal intensity that described tuner receives changes, and adjusts the AGC voltage of AGC control module, until the signal strength signal intensity that tuner receives reaches preset range, reminding module sends prompting, and indication is sought star and finished.
Further, also comprise: the memory being connected with described master controller,
The preset frequency of described memory stores satellite.
Further, described reminding module is specially: auditory tone cues module,
Whether described auditory tone cues module is sought star according to the difference prompting of auditory tone cues frequency and is completed.
Further, described master controller is connected and is specially with tuner:
Described master controller is connected with tuner by icc bus.
Further, the signal of described voltage control module output is: 13V, 18V voltage signal.
Further, according to the output of 22K control module and voltage control module, realize the control of LNB operating state be specially:
Open 22K control module, output square-wave signal, cut-in voltage control module, output 13V voltage signal, LNB opens;
Open 22K control module, output square-wave signal, cut-in voltage control module, output 18V voltage signal, LNB opens;
Close 22K control module, LNB closes;
Close voltage control module, LNB closes.
From technique scheme, can find out, method for searching star disclosed by the invention, by star finder is inputted to satellite information, obtain the preset frequency of satellite, according to preset frequency, control the output of 22K control module and voltage control module, and send lock command to tuner tuner, realize the locking of tuner, adjust the elevation angle and the azimuth of antenna, be in course of adjustment, Set Top Box is communicated by letter with tuner, the signal strength signal intensity that feeds back to tuner according to Set Top Box is adjusted gain voltage AGC, until signal strength signal intensity is while reaching preset range, send information, prompting antenna is to satelloid, complete the star process of seeking.This programme only need be inputted satellite information to star finder, adjusts antenna, can realize to satellite antenna to star, simple to operate, facilitate user oneself to complete.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the flow chart of the disclosed a kind of method for searching star of the embodiment of the present invention;
Fig. 2 is the structural representation of the disclosed a kind of star finder of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The invention discloses a kind of method for searching star, application star finder, its flow chart as shown in Figure 1, comprising:
Step S11, input satellite information;
In star finder, input satellite information.
Step S12, according to the configuration frequency of satellite, control the output of 22K control module and voltage control module;
The pre-stored preset frequency of satellite that has a plurality of satellites in star finder, according to the difference of the satellite information of input, searches the preset frequency of corresponding satellite.
In addition, 22K control module output square-wave signal, voltage control module output 13V, 18V voltage signal.
According to the configuration frequency of satellite, control the output of 22K control module and voltage control module, realize the control to LNB operating state, concrete:
Open 22K control module, voltage control module, wherein, during voltage control module output 13V voltage signal, LNB opens, and realizes being connected of LNB and LNB on satellite antenna;
Open 22K control module, voltage control module, wherein, during voltage control module output 18V voltage signal, LNB opens, and realizes being connected of LNB and LNB on satellite antenna;
Close 22K control module or voltage control module, the LNB on LNB and satellite antenna disconnects.
Step S13, to tuner tuner, send lock command, realize the locking of tuner;
Wherein, tuner is comprised of one group of band pass filter.
The variation of step S14, the signal strength signal intensity that receives according to tuner, adjusts gain voltage AGC, until signal strength signal intensity reaches preset range.
Adjust the elevation angle and the azimuth of satellite antenna, in the process of adjusting, Set Top Box and tuner communicate, tuner receives the signal returning, according to signal strength signal intensity, adjust gain voltage AGC, in the process of adjusting, when the signal receiving as tuner is strengthened to preset range, the prompting of sounding, prompting is sought star and is completed.
Wherein, auditory tone cues is that variation by sound frequency reaches suggesting effect.
The disclosed method for searching star of the present embodiment, by star finder is inputted to satellite information, obtain the preset frequency of satellite, according to preset frequency, control the output of 22K control module and voltage control module, and send lock command to tuner tuner, realize the locking of tuner, adjust the elevation angle and the azimuth of antenna, be in course of adjustment, Set Top Box is communicated by letter with tuner, and the signal strength signal intensity that feeds back to tuner according to Set Top Box is adjusted gain voltage AGC, until signal strength signal intensity is while reaching preset range, send information, prompting antenna, to satelloid, completes the star process of seeking.This programme only need be inputted satellite information to star finder, adjusts antenna, can realize to satellite antenna to star, simple to operate, facilitate user oneself to complete.
Further, the disclosed method for searching star of the present embodiment, can further include:
After having pointed out, close star finder, realize the direct-connected of satellite antenna and Set Top Box.
Namely, after star finder cuts out, this star finder is in low resistive state, is equivalent to satellite antenna and Set Top Box is direct-connected.
Also can be after prompting to be sought star and is finished, dismounting star finder, makes Set Top Box directly be connected with satellite antenna.
The present embodiment discloses a kind of star finder, is connected respectively with Set Top Box and satellite antenna, and its structural representation as shown in Figure 2, comprising:
LNB(Low Noise Block on satellite antenna, tuner) 21, the tuner tuner22 that input port is connected with LNB21 on antenna, the 22K control module 23 being connected respectively with tuner22, voltage control module 24, gain voltage AGC control module 25, the output of tuner22 is connected with Set Top Box, the master controller 26 being connected with 22K control module 23 and voltage control module 24 respectively, the reminding module 27 being connected with tuner22.
The disclosed star finder of the present embodiment do not use that star finder of the prior art generally adopts without demodulation multiplexer Demodulator, cost without demodulation multiplexer Demodulator is higher, in device, reduced Demodulator, avoided the use to Demodulator, can be directly by AGC voltage, realize the whether judgement to satelloid of satellite antenna, having reduced cost, is that domestic consumer can bear.
Wherein, master controller 26 receives the satellite-signal of input, controls the output of 22K control module 23 and voltage control module 24, to realize the control to tuner22 operating state according to the preset frequency of satellite.
The signal strength signal intensity that tuner tuner22 receives changes, and adjusts the AGC voltage of AGC control module 25, until the signal strength signal intensity that tuner22 receives reaches preset range, reminding module 27 sends prompting, and indication is sought star and finished.
Adjust the elevation angle and the azimuth of satellite antenna, in the process of adjusting, Set Top Box and tuner communicate, tuner receives the signal returning, according to signal strength signal intensity, adjust gain voltage AGC, in the process of adjusting, when the signal receiving as tuner is strengthened to preset range, the prompting of sounding, prompting is sought star and is completed.
Wherein, reminding module 27 prompting of sounding, and seek starlike state according to the difference judgement of the frequency of auditory tone cues, when the frequency of the auditory tone cues sending when reminding module 27 reaches scheduled frequency range, indicates and seeks star and finish.
Preferably, master controller 26 is connected with tuner22 by iic bus, sends lock command.
The tuner22 of star finder is connected with Set Top Box by Loop out port.
Further, according to the configuration frequency of satellite, control the output of 22K control module and voltage control module, realize the control to LNB operating state, concrete:
Open 22K control module, voltage control module, wherein, during voltage control module output 13V voltage signal, LNB opens, and realizes being connected of LNB and LNB on satellite antenna;
Open 22K control module, voltage control module, wherein, during voltage control module output 18V voltage signal, LNB opens, and realizes being connected of LNB and LNB on satellite antenna;
Close 22K control module or voltage control module, the LNB on LNB and satellite antenna disconnects.
The disclosed star finder of the present embodiment, by star finder is inputted to satellite information, obtain the preset frequency of satellite, according to preset frequency, control the output of 22K control module and voltage control module, and send lock command to tuner tuner, realize the locking of tuner, adjust the elevation angle and the azimuth of antenna, be in course of adjustment, Set Top Box is communicated by letter with tuner, and the signal strength signal intensity that feeds back to tuner according to Set Top Box is adjusted gain voltage AGC, until signal strength signal intensity is while reaching preset range, send information, prompting antenna, to satelloid, completes the star process of seeking.This programme only need be inputted satellite information to star finder, adjusts antenna, can realize to satellite antenna to star, simple to operate, facilitate user oneself to complete.In addition, the disclosed scheme of the present embodiment is only applied tuner and is realized and to seek star process, does not need to increase display screen and without demodulation multiplexer Demodulator, saved cost, by the disclosed star finder of such scheme, it is cheap, be that domestic consumer can bear, be convenient to extensive popularization.
Further, the disclosed star finder of the present embodiment, can further include:
After having pointed out, close star finder, realize the direct-connected of satellite antenna and Set Top Box.
Namely, after star finder cuts out, this star finder is in low resistive state, is equivalent to satellite antenna and Set Top Box is direct-connected.
Also can be after prompting to be sought star and is finished, dismounting star finder, makes Set Top Box directly be connected with satellite antenna.
Further, the disclosed star finder of the present embodiment, can also comprise: the memory 28 being connected with master controller 24.
Memory is for storing the preset frequency of satellite of a plurality of satellites.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment identical similar part mutually referring to.For the disclosed device of embodiment, because it corresponds to the method disclosed in Example, so description is fairly simple, relevant part partly illustrates referring to method.
Professional can also further recognize, unit and the algorithm steps of each example of describing in conjunction with embodiment disclosed herein, can realize with electronic hardware, computer software or the combination of the two, for the interchangeability of hardware and software is clearly described, composition and the step of each example described according to function in the above description in general manner.These functions are carried out with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can specifically should be used for realizing described function with distinct methods to each, but this realization should not thought and exceeds scope of the present invention.
The software module that the method for describing in conjunction with embodiment disclosed herein or the step of algorithm can directly use hardware, processor to carry out, or the combination of the two is implemented.Software module can be placed in the storage medium of any other form known in random asccess memory (RAM), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the present invention.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a method for searching star, applies star finder, it is characterized in that, comprising:
Input satellite information;
According to the preset frequency of described satellite, control the output of 22K control module and voltage control module, realize the control to tuner LNB operating state;
To tuner tuner, send lock command, realize the locking of tuner;
The variation of the signal strength signal intensity receiving according to described tuner, adjusts gain voltage AGC, until signal strength signal intensity reaches preset range, prompting completes.
2. method according to claim 1, is characterized in that, also comprises:
After having pointed out, close star finder, realize the direct-connected of satellite antenna and Set Top Box.
3. method according to claim 1, is characterized in that, also comprises:
The preset frequency of satellite of pre-stored a plurality of satellites, according to the satellite information of input, searches the preset frequency of satellite of described satellite.
4. method according to claim 1, is characterized in that, described prompting completes and is specially:
When voice prompt reaches preset frequency, prompting is sought star and is completed.
5. a star finder, be connected with satellite antenna and Set Top Box respectively, it is characterized in that, comprise: the tuner tuner being connected with LNB mouth on satellite antenna, the 22K control module being connected respectively with tuner, voltage control module, gain voltage AGC control module, the output of tuner is connected with Set Top Box, the reminding module being connected with tuner, the master controller being connected with 22K control module and voltage control module respectively
Master controller receives the satellite information of input, controls the output of described 22K control module and voltage control module according to the preset frequency of described satellite, realizes the control to LNB operating state;
Described master controller sends lock command to described tuner, realizes the locking of tuner;
The signal strength signal intensity that described tuner receives changes, and adjusts the AGC voltage of AGC control module, until the signal strength signal intensity that tuner receives reaches preset range, reminding module sends prompting, and indication is sought star and finished.
6. star finder according to claim 5, is characterized in that, also comprises: the memory being connected with described master controller,
The preset frequency of described memory stores satellite.
7. star finder according to claim 5, is characterized in that, described reminding module is specially: auditory tone cues module,
Whether described auditory tone cues module is sought star according to the difference prompting of auditory tone cues frequency and is completed.
8. star finder according to claim 5, is characterized in that, described master controller is connected and is specially with tuner:
Described master controller is connected with tuner by icc bus.
9. star finder according to claim 5, is characterized in that, the signal of described voltage control module output is: 13V, 18V voltage signal.
10. star finder according to claim 5, is characterized in that, according to the output of 22K control module and voltage control module, realizes the control of LNB operating state is specially:
Open 22K control module, output square-wave signal, cut-in voltage control module, output 13V voltage signal, LNB opens;
Open 22K control module, output square-wave signal, cut-in voltage control module, output 18V voltage signal, LNB opens;
Close 22K control module, LNB closes;
Close voltage control module, LNB closes.
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| CN201310740602.6A CN103682632B (en) | 2013-12-27 | 2013-12-27 | A kind of method for searching star and star finder |
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| CN201310740602.6A CN103682632B (en) | 2013-12-27 | 2013-12-27 | A kind of method for searching star and star finder |
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| CN103682632B (en) | 2017-11-24 |
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