CN203167153U - Satellite antenna controlling and receiving decoding integration device and television system - Google Patents
Satellite antenna controlling and receiving decoding integration device and television system Download PDFInfo
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- CN203167153U CN203167153U CN 201320090757 CN201320090757U CN203167153U CN 203167153 U CN203167153 U CN 203167153U CN 201320090757 CN201320090757 CN 201320090757 CN 201320090757 U CN201320090757 U CN 201320090757U CN 203167153 U CN203167153 U CN 203167153U
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Abstract
The utility model discloses a satellite antenna controlling and receiving decoding integration device. The integration device comprises a common radio frequency front-end unit, an audio and video decoding unit and an antenna control unit. The common radio frequency front end unit is respectively connected with the audio and video decoding unit and the antenna control unit. The integration device has the advantages of high integration, improvement in the signal-to-noise ratio of satellite signals and easier maintenance of the device. The utility model also discloses a television system which is applied to the satellite antenna controlling and receiving decoding integration device.
Description
Technical field
The utility model relates to communication technology of satellite, relates in particular to a kind of satellite antenna control and receives decoding integrated apparatus and television system.
Background technology
During the conventional satellite television reception is used, satellite Rcv decoder (being also referred to as satellite television receiver, satellite television set-top box) is the complete separate component of a system with satellite antenna, the two adheres to different enterprises separately and makes, and has clarification in certain roles and standard interface, as shown in Figure 1.Satellite antenna is used for realizing that the acquiring satellite on the boats and ships carrier reaches from motion tracking, to guarantee that antenna is set up stable state satellite transmission link and continued the program receiving carrier signal all the time accurately to satelloid under various motion states, the various environmental condition.The satellite Rcv decoder is receiving under the stabilized satellite TV programme carrier signal prerequisite, the program carrier wave being carried out radio-frequency front-ends such as frequency reducing, tuning, demodulation handles, recover satellite television programming TS stream send at the rear end audio/video decoder carry out demultiplexing, audio/video decoding, image restoring output is handled, thereby make the user enjoy smooth satellite television programming at television set.There is uncertainty in satellite Rcv decoder technical specification in the prior art, and the technical specification that the TV programme of country variant, different satellite, different operators adopts is not quite similar.Satellite antenna manufacturer provides the antenna product that comprises antenna controller, need select the satellite Rcv decoder of coupling after selecting satellite antenna according to the satellite television programming specification of rating, and collocation is used and realized that satellite television programming receives requirement.But Chinese part maritime provinces allows operation on the sea fisherman rating direct broadcasting satellite program, but satellite antenna and satellite television decoder product have been done strict restriction from the product specification aspect, it is the satellite programming that equipment can only receive No. 9 live stars of unique culminant star, the unique employing ABS-S of General Bureau of Radio, Film and Television technical standard, so adopt existing equipment can cause hardware (for example to repeat, and introduce power divider and can produce many-sided defectives such as signal noise two radio-frequency front-ends).
The utility model content
The utility model has overcome the available technology adopting equipment complex and has received the defective that hardware waste that unique satellite-signal causes and unnecessary hardware reduce Signal-to-Noise, has proposed a kind of satellite antenna control and has received decoding integrated apparatus and television system.
The utility model proposes a kind of satellite antenna control and receive the decoding integrated apparatus, comprising:
The shared radio frequency front end unit;
The audio frequency and video decoding unit, it is connected with described shared radio frequency front end unit;
Antenna control unit, it is connected with described shared radio frequency front end unit.
Wherein, antenna control unit comprise drive motors with seek star/following feedback control unit, the described star/following feedback control unit of seeking is connected with described shared radio frequency front end unit, described drive motors is connected with the described star/following feedback control unit of seeking.
The utility model has also proposed a kind of applied satellite sky line traffic control and the television system that receives the decoding integrated apparatus, comprising:
Wherein, it is connected with reception decoding integrated apparatus with described satellite antenna control;
The equipment that displays the play, its with described satellite antenna control with receive the integrated apparatus of decoding and be connected.
Wherein, described shared radio frequency front end unit is connected with described satellite antenna.
Wherein, described antenna control unit is connected with described satellite antenna.
Wherein, described drive motors is connected with described satellite antenna.
Wherein, described audio frequency and video decoding unit is connected with the described equipment of displaying the play.
Satellite antenna control of the present utility model is decoded integrated apparatus compared to prior art with reception, has reduced a radio-frequency front-end, a micro-control unit (single-chip microprocessor MCU) and equipment such as L-band power divider, has reduced hardware cost.
The utility model is taked integrated setting with sky line traffic control and program reception decoding, handle so the utility model need not that the satellite-signal that satellite antenna receives is divided into two-way, make the power headroom of the satellite-signal of input audio frequency and video decoding unit improve 3dB at least.And satellite antenna control of the present utility model and reception decoding integrated apparatus have compared with prior art reduced the quantity of physical size and connection cable, make device integrated level of the present utility model higher, and are easier to safeguard.
The utility model need not arrange the L-band power divider, has eliminated the signal noise that the L-band power divider causes, and has improved the quality of satellite programming.
Description of drawings
Fig. 1 is the schematic diagram of satellite TV system in the prior art.
Fig. 2 is satellite antenna control and the structure chart that receives the decoding integrated apparatus.
Fig. 3 is applied satellite sky line traffic control and the schematic diagram that receives the television system of decoding integrated apparatus.
Embodiment
In conjunction with following specific embodiments and the drawings, the utility model is described in further detail.Implement process of the present utility model, condition, experimental technique etc., except the following content of mentioning specially, be universal knowledege and the common practise of this area, the utility model is not particularly limited content.
Comprise shared radio frequency front end unit 1, audio frequency and video decoding unit 2 and antenna control unit 3 in satellite antenna control in the utility model and the reception decoding integrated apparatus.As shown in Figure 2, shared radio frequency front end unit 1 is connected with antenna control unit 3 with audio frequency and video decoding unit 2 respectively.Antenna control unit 3 comprises drive motors 31 and seeks star/following feedback control unit 32.Seeking star/following feedback control unit 32 is connected with drive motors 31 with shared radio-frequency front-end unit 1 respectively.
What Fig. 3 showed is applied satellite sky line traffic control and the television system that receives the decoding integrated apparatus.Satellite antenna control is connected with the equipment of displaying the play with satellite antenna with reception decoding integrated apparatus, satellite antenna control receives satellite carrier signal with reception decoding integrated apparatus from satellite antenna, handle the back by equipment output picture and the sound of displaying the play through satellite antenna control and reception decoding integrated apparatus, and via satellite day line traffic control with receive the attitude that the decoding integrated apparatus is regulated satellite antenna, realize satellite antenna control and to receive decoding integrated.
In the present embodiment, shared radio frequency front end unit 1 is connected with satellite antenna, shared radio frequency front end unit 1 obtains satellite carrier signal from satellite antenna, carry out satellite identification or automatic tracking reference signal source for satellite carrier signal, satellite beacon or satellite programming carrier wave as the reference analytic target, are generated AGC signal and the LOCK signal of reflection satellite carrier Strength Changes and lock-out state.Shared radio frequency front end unit 1 also carries out satellite carrier signal radio-frequency front-ends such as frequency reducing, tuning, demodulation to be handled, and generates audio frequency and video program stream signal (TS stream) and transfers to audio frequency and video decoding unit 2.With respect to prior art, satellite antenna control is not carried out the shunt processing to satellite carrier signal with reception decoding integrated apparatus, so the received signal power of audio frequency and video decoding unit 2 and antenna control unit 3 is improved, power headroom promotes 3dB at least.
Audio frequency and video decoding unit 2 receives the audio frequency and video program stream signal (TS flow data) of shared radio frequency front end unit 1, and audio frequency and video program stream signal is decoded generates audio signal and vision signal.Audio frequency and video decoding unit 2 is sent to audio signal and vision signal in the equipment of displaying the play, by device plays sound and the output program picture of displaying the play.Audio frequency and video decoding unit 2 main bodys are generally the circuit of single-chip integrated chip IC, and its inside is integrated with microcontroller and data communication interface, and 1 transmission bus control signal (comprises I to audio frequency and video decoding unit 2 to the shared radio frequency front end unit
2The C parameter configuration data).Whether the satellite carrier signal that current reception is identified according to parameter configuration data in shared radio frequency front end unit 1 is consistent with expection reception satellite carrier, when having only the satellite carrier that receives when satellite carrier model and expection identical, be that the carrier lock signal is designated as under the locked state, audio frequency and video decoding unit 2 could normally move and export the audio frequency and video programme content of expection by the equipment that displays the play.
Antenna control unit 3 comprises drive motors 31 and seeks star/following feedback control unit 32.After seeking star/following feedback control unit 32 analysis AGC signals and LOCK signal, generate antenna adjustment signal and transfer in the drive motors 31.Drive motors 31 is connected with satellite antenna.More specifically, drive motors 31 is connected with the mounting of satellite antenna, and drive motors 31 makes satellite antenna all the time accurately to satelloid according to the attitude of antenna adjustment Signal Regulation or locking satellite antenna, guarantees stable satellite transmission link.
The utility model has reduced equipment such as a radio-frequency front-end, single-chip microprocessor MCU, L-band power divider, has reduced hardware cost.And the utility model integrated level height has reduced connection cable quantity, makes reliability higher, is easier to safeguard.
Protection content of the present utility model is not limited to above embodiment.Under the spirit and scope that do not deviate from the utility model design, variation and advantage that those skilled in the art can expect all are included in the utility model, and are protection range with the appending claims.
Claims (7)
1. a satellite antenna is controlled and reception decoding integrated apparatus, it is characterized in that, comprising:
Shared radio frequency front end unit (1);
Audio frequency and video decoding unit (2), it is connected with described shared radio frequency front end unit (1);
Antenna control unit (3), it is connected with described shared radio frequency front end unit (1).
2. satellite antenna control as claimed in claim 1 and reception decoding integrated apparatus, it is characterized in that, antenna control unit (3) comprises drive motors (31) and seeks star/following feedback control unit (32), described star/following feedback the control unit (32) of seeking is connected with described shared radio frequency front end unit (1), and described drive motors (31) is connected with the described star/following feedback control unit (32) of seeking.
3. an applied satellite sky line traffic control and the television system that receives the decoding integrated apparatus is characterized in that, comprising:
Satellite antenna control as claimed in claim 1 and reception decoding integrated apparatus;
Satellite antenna, it is connected with reception decoding integrated apparatus with described satellite antenna control;
The equipment that displays the play, its with described satellite antenna control with receive the integrated apparatus of decoding and be connected.
4. the television system of applied satellite sky line traffic control as claimed in claim 3 and reception decoding integrated apparatus is characterized in that described shared radio frequency front end unit (1) is connected with described satellite antenna.
5. the television system of applied satellite sky line traffic control as claimed in claim 3 and reception decoding integrated apparatus is characterized in that described antenna control unit (3) is connected with described satellite antenna.
6. the television system of applied satellite sky line traffic control as claimed in claim 5 and reception decoding integrated apparatus is characterized in that described drive motors (31) is connected with described satellite antenna.
7. the television system of applied satellite sky line traffic control as claimed in claim 3 and reception decoding integrated apparatus is characterized in that described audio frequency and video decoding unit (2) is connected with the described equipment of displaying the play.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320090757 CN203167153U (en) | 2013-02-28 | 2013-02-28 | Satellite antenna controlling and receiving decoding integration device and television system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320090757 CN203167153U (en) | 2013-02-28 | 2013-02-28 | Satellite antenna controlling and receiving decoding integration device and television system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203167153U true CN203167153U (en) | 2013-08-28 |
Family
ID=49028304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320090757 Expired - Fee Related CN203167153U (en) | 2013-02-28 | 2013-02-28 | Satellite antenna controlling and receiving decoding integration device and television system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203167153U (en) |
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2013
- 2013-02-28 CN CN 201320090757 patent/CN203167153U/en not_active Expired - Fee Related
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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: 20130828 Termination date: 20140228 |