CN102377958A - Power supply management system of set top box - Google Patents
Power supply management system of set top box Download PDFInfo
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- CN102377958A CN102377958A CN2010102554579A CN201010255457A CN102377958A CN 102377958 A CN102377958 A CN 102377958A CN 2010102554579 A CN2010102554579 A CN 2010102554579A CN 201010255457 A CN201010255457 A CN 201010255457A CN 102377958 A CN102377958 A CN 102377958A
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Abstract
The invention provides a power supply management system of a set top box. The power supply management system comprises at least two signal receivers, at least two tuners and a demodulator, at least two switches, a signal detector and a controller; the at least two signal receivers are respectively electrically connected with the at least two tuners; the at least two tuners are electrically connected with the demodulator; the at least two switches are electrically connected with a power supply; the controller is respectively connected with the signal detector and the at least two switches; the signal detector is electrically connected with the at least two signal receivers; the signal detector is used for respectively detecting whether the at least two signal receivers have input radio-frequency signals and transmitting the detection result to the controller; when the signal detector detects that one of the signal receivers has no input radio-frequency signal, the controller controls the corresponding switch to be switched off according to the detection result of the signal detector, thereby cutting off the working power supply of the corresponding tuner. The power supply management system of the set top box can be used for saving electric energy.
Description
Technical field
The present invention relates to a kind of power-supply management system, relate in particular to a kind of STB power-supply management system.
Background technology
Watch DTV one STB must be installed with receiving digital television signal.STB generally comprises a plurality of signal receivers, a plurality of tuners.Said a plurality of tuner correspondence is electrically connected to said a plurality of signal receiver.In most cases, the user generally can not make video recording to the program of another channel when watching the TV programme of a channel simultaneously, or the TV programme of in the TV programme of a channel of making video recording, watching another channel.Therefore, in such cases, the program of a channel is watched or made video recording in only can be at one time, also only need a signal receiver and a tuner job.Yet, because existing STB power-supply management system can't be controlled each signal receiver and tuner work.Consumed power too when other signal receivers and tuner need not work.So not only wasted electric energy, also the performance to STB produces very lossy.
Summary of the invention
In view of this, be necessary to provide a kind of STB power-supply management system of saving electric energy.
A kind of STB power-supply management system, it comprises at least two signal receivers, at least two tuners, a demodulator, said at least two signal receivers correspondence respectively are electrically connected to said at least two tuners.Said at least two tuners all are electrically connected to said demodulator.Said STB power-supply management system also further comprises at least two switches, a signal detector and a controller.Said at least two switches all electrically connect with a power supply.Said controller links to each other with said signal detector and said two switches respectively at least.Said at least two switches also are electrically connected to the power input of said at least two tuners respectively.Said signal detector electrically connects mutually with said two signal receivers at least.Whether this signal detector is used for detecting respectively said at least two signal receivers has the radiofrequency signal input, and testing result is transferred to said controller.When said signal detector detects when wherein a signal receiver does not have the radiofrequency signal input, said controller is controlled corresponding said switch according to the testing result of said signal detector and is broken off, thereby cuts off the working power of corresponding tuner.
With respect to prior art, STB power-supply management system of the present invention when can at least one therein signal receiver not receiving signal, stops corresponding tuner work, thereby has saved electric energy.
Description of drawings
Fig. 1 is the sketch map of the STB power-supply management system that provides of embodiment of the present invention.
The main element symbol description
STB power-supply management system 100
Tuner 20
Switch 40
Power input 213,223
First switch 41
First control end 411
Second control end 412
The 3rd control end 421
The 4th control end 422
The first input end 51
Secondary signal test side 52
Output 112,122,33
Embodiment
To combine accompanying drawing below, display provided by the invention is done further to specify.
See also Fig. 1; The STB power-supply management system 100 that embodiment of the present invention provides, it comprises at least two signal receivers 10, at least two tuners 20, demodulator 30, at least two switches 40, a signal detector 50 and a controller 60.
Said at least two signal receivers 10 are respectively applied for the radiofrequency signal that receives each channel emission, and this radiofrequency signal can be used for playing or making video recording.In this execution mode, said at least two signal receivers comprise one first signal receiver 11 and a secondary signal receiver 12.The radiofrequency signal that said first signal receiver 11 receives is used for playing.The radiofrequency signal that said secondary signal receiver 12 receives is used to make video recording.
In this execution mode, said at least two tuners 20 comprise one first tuner 21 and one second tuner 22.Said first tuner 21 comprises a first input end 211, first output 212 and a power input 213.Said first input end 211 is electrically connected to the output 112 of said first signal receiver 11.Said first output 212 is electrically connected to an input 31 of said demodulator 30.Said second tuner 22 comprises one second input 221, second output 222 and a power input 223.Said second input 221 is electrically connected to the output 122 of said secondary signal receiver 12.Said second output 222 is electrically connected to an input 32 of said demodulator 30.Said first tuner 21 is used for extracting from the radiofrequency signal that said first signal receiver 11 receives the image and the voice signal of digital compression.Said second tuner 22 is used for extracting from the radiofrequency signal that said secondary signal receiver 12 receives the image and the voice signal of digital compression.
Said demodulator 30 is used for respectively the reduction of decoding of the image of the digital compression of said first tuner 21 and 22 extractions of second tuner and voice signal, video and voice signal that generation is simulated.In this execution mode, the output 33 of said demodulator 30 is electrically connected to said controller 60.
Said at least two switches 40 comprise one first switch 41 and a second switch 42.Said first switch 41 comprises one first control end 411, second control end 412 and one first power input 413.Said first control end 411 is electrically connected to said controller 60, and said second control end 412 is electrically connected to the power input 213 of said first tuner 21.Said power input 213 is electrically connected to a power supply VCC.Said second switch 42 comprises one the 3rd control end 421, the 4th control end 422 and a second source input 423.Said the 3rd control end 421 is electrically connected to said controller 60, and said the 4th control end 422 is electrically connected to the power input 223 of said second tuner 22.Said second source input 423 is electrically connected to said power supply VCC.
Said signal detector 50 comprises one first input end 51, secondary signal test side 52 and one output 53 as a result.The said first input end 51 is electrically connected to said first signal receiver 11.Said secondary signal test side 52 is electrically connected to said secondary signal receiver 12.Said output as a result 53 is electrically connected to said controller 60.Said signal detector 50 is used to detect said first signal receiver 11 and whether secondary signal receiver 12 has the radiofrequency signal input.
Whether the disconnection that said controller 60 is used for controlling said first switch 41 and second switch 42 according to the testing result of said signal detector 50 is with closed, work thereby control said first tuner 21, second tuner 22 and said demodulator 30.Particularly; When the user only need play the digital television signal of a channel; Said signal detector 50 detects said first signal receiver 11 and receives radiofrequency signal; When detecting the no radiofrequency signals input of said secondary signal receiver 12 simultaneously, this testing result is inputed to said controller 60.With first switch, 41 closures, at this moment, power supply VCC provides working power, 21 work of first tuner through this first switch 41 for said first tuner 21 to said controller 60 according to this testing result.And simultaneously, said controller 60 breaks off second switch 42 according to this testing result, and said second tuner, 22 no working powers quit work, to reach purpose of power saving.
When the user only need make video recording the digital television signal of a channel; Said signal detector 50 detects said secondary signal receiver 12 and receives radiofrequency signal; Detect the 11 no radiofrequency signal inputs of said first signal receiver simultaneously, this testing result is inputed to said controller 60.Said controller 60 according to this testing result with second switch 42 closures.At this moment, power supply VCC provides working power, 22 work of second tuner through this second switch 42 for said second tuner 22.And simultaneously, said controller 60 breaks off first switch 41 according to this testing result, and said first tuner, 21 no working powers quit work, to reach purpose of power saving.
When said signal detector 50 detects the no radiofrequency signals input of said first, second signal receiver 11,12 simultaneously; Said controller 60 breaks off first, second switch 41,42 according to this testing result; Said first tuner 21 and second tuner 22 all do not start; Control demodulator 30 simultaneously and quit work, to reach purpose of power saving.
Though the present invention discloses as above with preferred embodiments,, it is not in order to qualification the present invention, and in addition, those skilled in the art can also do other variation etc. in spirit of the present invention.Certainly, these all should be included within the present invention's scope required for protection according to the variation that the present invention's spirit is done.
Claims (9)
1. STB power-supply management system; It comprises at least two signal receivers, at least two tuners, a demodulator; Said at least two signal receivers correspondence respectively are electrically connected to said at least two tuners; Said at least two tuners all are electrically connected to said demodulator; It is characterized in that: said STB power-supply management system also further comprises at least two switches, a signal detector and a controller; Said at least two switches all electrically connect with a power supply, and said controller links to each other with said signal detector and said two switches respectively at least, and said at least two switches also are electrically connected to the power input of said at least two tuners respectively; Said signal detector electrically connects mutually with said two signal receivers at least; Whether this signal detector is used for detecting respectively said at least two signal receivers has radiofrequency signal input, and testing result is transferred to said controller, when said signal detector detects when wherein a signal receiver does not have the radiofrequency signal input; Said controller is controlled corresponding said switch according to the testing result of said signal detector and is broken off, thereby cuts off the working power of corresponding tuner.
2. STB power-supply management system as claimed in claim 1; It is characterized in that: said at least two signal receivers are used for received RF signal; Said tuner is used for extracting from the radiofrequency signal that said at least two signal receivers receive the image and the voice signal of digital compression; Said demodulator is used for respectively the reduction of decoding of the digital compressed image of said two tuners extraction and voice signal, video and voice signal that generation is simulated at least.
3. STB power-supply management system as claimed in claim 1; It is characterized in that: said at least two signal receivers comprise one first signal receiver and a secondary signal receiver; The radiofrequency signal that said first signal receiver receives is used for playing, and the radiofrequency signal that said secondary signal receiver receives is used to make video recording.
4. STB power-supply management system as claimed in claim 3; It is characterized in that: said at least two tuners comprise one first tuner and one second tuner; Said first tuner comprises a first input end, first output and a power input; Said first input end is electrically connected to the output of said first signal receiver; Said first output is electrically connected to said demodulator; Said second tuner comprises one second input, second output and a power input, and said second input is electrically connected to the output of said secondary signal receiver, and said second output is electrically connected to said demodulator.
5. STB power-supply management system as claimed in claim 4; It is characterized in that: said at least two switches comprise one first switch and a second switch; Said first switch comprises one first control end, second control end and one first power input; Said first control end is electrically connected to said controller, and said second control end is electrically connected to the power input of said first tuner, and the power input of said first tuner is electrically connected to said power supply; Said second switch comprises one the 3rd control end, the 4th control end and a second source input; Said the 3rd control end is electrically connected to said controller, and said the 4th control end is electrically connected to the power input of said second tuner, and said second source input is electrically connected to said power supply.
6. STB power-supply management system as claimed in claim 5; It is characterized in that: said signal detector comprises one first input end, secondary signal test side and one output as a result; The said first input end is electrically connected to said first signal receiver; Said secondary signal test side is electrically connected to said secondary signal receiver, and said output as a result is electrically connected to said controller.
7. STB power-supply management system as claimed in claim 5; It is characterized in that: receive radiofrequency signal when said signal detector detects said first signal receiver, detecting said secondary signal receiver does not simultaneously have radiofrequency signal when input, and said signal detector inputs to said controller with this testing result; Said controller according to this testing result with first switch closure; Said power supply is that said first tuner provides working power through this first switch, the first tuner work, and said controller breaks off second switch simultaneously; Cut off the working power of said second tuner, said second tuner quits work.
8. STB power-supply management system as claimed in claim 5; It is characterized in that: receive radiofrequency signal when said signal detector detects said secondary signal receiver, detecting said first signal receiver does not simultaneously have radiofrequency signal when input, and said signal detector inputs to said controller with this testing result; Said controller is closed with second switch according to this testing result; Said power supply is that said first tuner provides working power through this second switch, the said second tuner work, and said controller breaks off first switch simultaneously; Cut off the working power of said first tuner, said first tuner quits work.
9. STB power-supply management system as claimed in claim 5; It is characterized in that: said demodulator is electrically connected to said controller; When detecting said first, second signal receiver simultaneously, said signal detector do not have radiofrequency signal when input; Said controller breaks off first, second switch according to this testing result, and said first tuner and second tuner all do not start, and simultaneously said controller control demodulator quits work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010255457 CN102377958B (en) | 2010-08-17 | 2010-08-17 | Power supply management system of set top box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010255457 CN102377958B (en) | 2010-08-17 | 2010-08-17 | Power supply management system of set top box |
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| Publication Number | Publication Date |
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| CN102377958A true CN102377958A (en) | 2012-03-14 |
| CN102377958B CN102377958B (en) | 2013-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010255457 Active CN102377958B (en) | 2010-08-17 | 2010-08-17 | Power supply management system of set top box |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105338392A (en) * | 2015-10-16 | 2016-02-17 | 中国科学院上海高等研究院 | Intelligent energy saving method of wired network device and system |
| CN106357999A (en) * | 2016-09-23 | 2017-01-25 | 青岛海信电器股份有限公司 | Tuner control method and device, television and set-top box |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007024268A1 (en) * | 2005-08-25 | 2007-03-01 | Sony Ericsson Mobile Communications Ab | Mobile television channel switching system and method |
| US20070169153A1 (en) * | 2006-01-18 | 2007-07-19 | Realfine (Shenzhen) Electronics Co., Ltd. | Embeded USB interface circuit in AV device for recording programs |
| CN201118738Y (en) * | 2007-11-23 | 2008-09-17 | 深圳Tcl工业研究院有限公司 | A sequential switch device for TV and STB power |
| CN101277376A (en) * | 2008-03-31 | 2008-10-01 | 深圳创维数字技术股份有限公司 | Bidirectional interactive set-top box as well as energy-saving system thereof |
| CN101682344A (en) * | 2007-05-25 | 2010-03-24 | 富士通天株式会社 | Integrated antenna apparatus, integrated demodulation apparatus and integrated reception apparatus |
-
2010
- 2010-08-17 CN CN 201010255457 patent/CN102377958B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007024268A1 (en) * | 2005-08-25 | 2007-03-01 | Sony Ericsson Mobile Communications Ab | Mobile television channel switching system and method |
| US20070169153A1 (en) * | 2006-01-18 | 2007-07-19 | Realfine (Shenzhen) Electronics Co., Ltd. | Embeded USB interface circuit in AV device for recording programs |
| CN101682344A (en) * | 2007-05-25 | 2010-03-24 | 富士通天株式会社 | Integrated antenna apparatus, integrated demodulation apparatus and integrated reception apparatus |
| CN201118738Y (en) * | 2007-11-23 | 2008-09-17 | 深圳Tcl工业研究院有限公司 | A sequential switch device for TV and STB power |
| CN101277376A (en) * | 2008-03-31 | 2008-10-01 | 深圳创维数字技术股份有限公司 | Bidirectional interactive set-top box as well as energy-saving system thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105338392A (en) * | 2015-10-16 | 2016-02-17 | 中国科学院上海高等研究院 | Intelligent energy saving method of wired network device and system |
| CN105338392B (en) * | 2015-10-16 | 2018-06-01 | 中国科学院上海高等研究院 | The intelligent power saving method and system of wire network devices |
| CN106357999A (en) * | 2016-09-23 | 2017-01-25 | 青岛海信电器股份有限公司 | Tuner control method and device, television and set-top box |
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| CN102377958B (en) | 2013-09-25 |
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Effective date of registration: 20180226 Address after: Shanghai City, Songjiang Export Processing Zone South Road No. 1925 Patentee after: Ambit Microsystems (Shanghai) Co., Ltd. Address before: 201613 Shanghai City, Songjiang District Shanghai city south of Songjiang Export Processing Zone Road No. 1925 Co-patentee before: Hon Hai Precision Industry Co., Ltd. Patentee before: Ambit Microsystems (Shanghai) Co., Ltd. |
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