CN102065261A - Set-top box and power supply control device and method thereof - Google Patents
Set-top box and power supply control device and method thereof Download PDFInfo
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- CN102065261A CN102065261A CN201010541863.1A CN201010541863A CN102065261A CN 102065261 A CN102065261 A CN 102065261A CN 201010541863 A CN201010541863 A CN 201010541863A CN 102065261 A CN102065261 A CN 102065261A
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Abstract
The invention discloses a set-top box, a set-top box power supply control device and a set-top box power supply control method. The set-top box power supply control device comprises a television electrical signal acquisition module, a signal processing module and an execution module, wherein the television electrical signal acquisition module acquires current induction signals from a television input power supply line and sends the current induction signals to the signal processing module; the signal processing module is used for receiving the current induction signals, converting the current induction signals into voltage signals and outputting power supply disconnection control signals when the voltage signals are judged to be smaller than a preset threshold value; and the execution module receives the power supply disconnection control signals from the signal processing module and disconnecting the power supply of the set-top box according to the power supply disconnection control signals. The set-top box power supply control device and the set-top box power supply control method provided by the invention can realize cut-off of the power supply of the internet protocol television (IPTV) set-top box when an IPTV user turns off (standby) the television, so that the user does not need to separately turn off the set-top box, a large amount of data stream is released, the flow pressure of the whole IPTV video link is relieved, power can be saved, the set-top box can be maintained better, and the device and the method are convenient for the user to operate.
Description
Technical field
The present invention relates to power technique fields, relate in particular to a kind of set-top box and power control thereof and method.
Background technology
Along with the fast development of IPTV business, the surge of internet data flow, imbalance between supply and demand is outstanding.Because user's operating habit, a part of user does not have custom to close the IPTV set-top box in the closing television machine; In addition, because monthly payment price policy in unlimited time, it doesn't matter to cause part monthly payment user to feel to be not related to set-top box in the pass, even the closing television machine does not cut out set-top box yet, thus the data traffic that causes quite a few to continue.But set-top box unnecessarily keeps open state both to waste electric power resource and Internet resources, has also caused the premature aging of set-top box.
Summary of the invention
The technical problem that the present invention will solve provides a kind of set-top box and power control and method, makes in the television set standby or closure plane top box working power automatically when closing.
According to a first aspect of the present invention, a kind of set-top box power control is provided, this set-top box power control comprises: television set electrical signal collection module, gather current sensing signal from television set input power cord road, and it is issued signal processing module; Signal processing module is used for the received current induced signal and is converted into voltage signal, when judging voltage signal less than predetermined threshold, and output deenergization control signal; And Executive Module, receive deenergization control signal from signal processing module, disconnect the power supply that offers set-top box according to the deenergization control signal.
By power control of the present invention, can realize that the user stops to watch program after, the power supply of cutting machine top box when closing (standby) television set makes user's closure plane top box separately.So not only can discharge mass data stream, thereby alleviate the flow pressure of whole screen link, can also power saving also safeguard set-top box better, bring inconvenience also can not for simultaneously user's operation.
Preferably, signal processing module comprises: signal conversion unit is used for the received current induced signal and is converted into voltage signal; The pressure limiting unit, in parallel with signal conversion unit, be used for the voltage signal of signal conversion unit output is carried out the pressure limiting processing; Signal judging unit is used to receive the voltage signal that the pressure limiting unit is exported, when judging voltage signal less than predetermined threshold, and output deenergization control signal.
The use of pressure limiting unit makes the television set of set-top box power control of the present invention applicable to different capacity.Therefore, set-top box power control of the present invention also has the advantage of applied range.
Preferably, the set-top box power control also comprises: attaching plug is connected with power supply; The TV set power socket links to each other with attaching plug via television set input power cord road; And the set-top box supply socket, be used for powering to set-top box.
Preferably, current sensing signal is direct current induced signal or alternating current impression signal.
Preferably, television set electrical signal collection module comprises: be connected on the primary coil on the television set input power cord road, secondary coil, when crossing alternating current, elementary coil midstream produces the alternating current impression signal, and full wave bridge rectifier, its input is connected with the output of secondary coil, and is direct current signal with the alternating current impression signal rectification that is produced; Signal processing module comprises: electric capacity, and its input is connected with the output of full wave bridge rectifier, converts direct current signal to voltage signal, voltage stabilizing didoe, in parallel with electric capacity, when from the voltage signal of electric capacity input during less than predetermined threshold, output deenergization control signal; Executive Module comprises: triode, and base stage links to each other with the output of voltage stabilizing didoe, and emitting stage links to each other with the set-top box power supply, when receiving the deenergization control signal from signal processing module, disconnects the power supply that offers set-top box.
Preferably, signal processing module also comprises the pressure limiting unit, and the pressure limiting unit comprises the resistance of connecting with full wave bridge rectifier and another voltage stabilizing didoe in parallel with full wave bridge rectifier.
According to a second aspect of the present invention, a kind of set-top box is provided, this set-top box comprises set-top box power control according to a first aspect of the invention.
According to a third aspect of the present invention, a kind of set-top box power control method is provided, this method comprises the steps: from television set input power cord road collection current sensing signal; The received current induced signal also is converted into voltage signal, when judging voltage signal less than predetermined threshold, and output deenergization control signal; And receive the deenergization control signal, disconnect the power supply that offers set-top box according to the deenergization control signal.
By power control method of the present invention, can realize that the user stops to watch program after, the power supply of cutting machine top box when closing (standby) television set makes user's closure plane top box separately.So not only can discharge mass data stream, thereby alleviate the flow pressure of whole screen link, can also power saving also safeguard set-top box better, bring inconvenience also can not for simultaneously user's operation.
Preferably, this set-top box power control method also comprised before the received current induced signal: current sensing signal is carried out pressure limiting handle.
Pressure limiting is handled and to be made the television set of set-top box power control method of the present invention applicable to different capacity.Therefore, set-top box power control method of the present invention also has the advantage of applied range.
Description of drawings
Fig. 1 schematically shows each composition module according to first embodiment of set-top box power control of the present invention;
Fig. 2 schematically shows each composition module according to second embodiment of set-top box power control of the present invention;
Fig. 3 schematically shows the outside connection layout according to set-top box power control of the present invention;
Fig. 4 schematically shows the circuit diagram according to an embodiment of set-top box power control of the present invention;
Fig. 5 schematically shows the flow chart according to first embodiment of set-top box power control method of the present invention;
Fig. 6 schematically shows the flow chart according to second embodiment of set-top box power control method of the present invention.
Embodiment
With reference to the accompanying drawings the present invention is described more fully, exemplary embodiment of the present invention wherein is described.
Fig. 1 schematically shows each composition module according to first embodiment of set-top box power control of the present invention.As shown in Figure 1, set-top box power control integral body is by 100 expressions, and it comprises: television set electrical signal collection module 101 is used for the 106 collection current sensing signals from television set input power cord road, and it is issued signal processing module 102; Signal processing module 102 is used for the received current induced signal and is converted into voltage signal, when judging voltage signal less than predetermined threshold, and output deenergization control signal; With Executive Module 103, be used to receive deenergization control signal from signal processing module 102, disconnect the power supply that offers set-top box 104 according to the deenergization control signal, make set-top box 104 shutdown.
Wherein, the current sensing signal gathered of television set electrical signal collection module 101 both can be that the alternating current impression signal also can be the direct current induced signal.If gather the alternating current impression signal, then television set electrical signal collection module 101 is a direct current signal with the alternating current impression conversion of signals of gathering earlier, outputs it to signal processing module 102 again.
The set-top box power control of the foregoing description, can realize that the user stops to watch program after, the power supply of cutting machine top box when closing (standby) television set makes user's closure plane top box separately.So not only can discharge mass data stream, thereby alleviate the flow pressure of whole screen link, can also power saving also safeguard set-top box better, convenient for users to use.
Fig. 2 shows each composition module according to second embodiment of set-top box power control of the present invention.As shown in Figure 2, in the set-top box power control 200 of second embodiment, basic identical in the set-top box power control 100 of television set electrical signal collection module 101 and Executive Module 103 and first embodiment is for no longer describing in detail at this for purpose of brevity.Set-top box power control 200 among second embodiment and the set-top box power control of first embodiment, 100 different being: the signal processing module 202 of set-top box power control 200 further comprises: signal conversion unit 210 is used for the received current induced signal and is converted into voltage signal; Pressure limiting unit 211, in parallel with signal conversion unit 210, be used for the voltage signal of signal conversion unit 210 outputs is carried out the pressure limiting processing; Signal judging unit 212 is used to receive the voltage signal that the pressure limiting unit is exported, when judging voltage signal less than predetermined threshold, and output deenergization control signal.
Wherein, identical with first embodiment, television set electrical signal collection module 101 both can have been gathered the alternating current impression signal also can gather the direct current induced signal.If gather the alternating current impression signal, then television set electrical signal collection module 101 is a direct current signal with the alternating current impression conversion of signals of gathering earlier, outputs it to signal processing module 202 again.
The television set power difference from causing the components and parts in the control device to damage too greatly because the use of pressure limiting unit 211, the set-top box power control 200 of the foregoing description applicable to the television set of different capacity, prevent.Therefore, the set-top box power control 200 of this second embodiment is compared the advantage that also has applied range with the set-top box power control 100 of first embodiment.
Fig. 3 show according among the embodiment of the set-top box power control of the first embodiment of the present invention and second embodiment with the connection layout of power supply, set-top box and TV.As shown in Figure 3, set-top box power control 300 comprises attaching plug 301, TV set power socket 302 and set-top box supply socket 303, television set electrical signal collection module 305, signal processing module 306, Executive Module 307.Be connected with television set input power cord road 304 between attaching plug 301 and the TV set power socket 302.Television set electrical signal collection module 305, signal processing module 306, Executive Module 307 can be referring to the description of respective modules among Fig. 1, Fig. 2, for no longer describing in detail at this for purpose of brevity.Attaching plug 301 and civil power, for example the 220V AC power is connected; TV set power socket 302 is connected with television set 105, stops to export for example 220V alternating current to television set 105 when television set 105 shutdown; And set-top box supply socket 303 is connected with set-top box 104, stops to export for example 5V direct current to set-top box 104 when television set 105 shutdown.
In the foregoing description, by TV set power socket and set-top box supply socket all are incorporated in the set-top box power control, more convenient user using and operating.
Fig. 4 schematically shows the circuit diagram according to an embodiment of set-top box power control of the present invention.
As shown in the figure, television set electrical signal collection module 410 comprises: be connected on the primary coil 401 on the television set input power cord road; Secondary coil 402 produces the alternating current impression signal when elementary coil midstream is for example crossed the 220V alternating current; And full wave bridge rectifier 403, its input is connected with the output of secondary coil 402, and is direct current signal with the alternating current impression signal rectification that is produced.
Television set electrical signal collection module 410 also can be gathered the direct current induced signal.Under the situation of gathering the direct current induced signal, do not need to use rectifier to carry out rectification, but can directly the direct current induced signal of being gathered be inputed to signal processing module.
Television set electrical signal collection module 410 also can make otherwise and to realize, if can sense electric current pass through to export signal specific.
Signal processing module 420 comprises: electric capacity 406, and its input is connected with the output of full wave bridge rectifier 403, converts direct current signal to voltage signal; Voltage stabilizing didoe 407, in parallel with electric capacity 406, when from the voltage signal of electric capacity 406 input during less than predetermined threshold, output deenergization control signal is when from the voltage signal of electric capacity 406 inputs reverse breakdown during greater than predetermined threshold, output power-on control signal.
Preferably, signal processing module 420 can also comprise the pressure limiting unit, and the pressure limiting unit comprises the resistance 404 of connecting with full wave bridge rectifier 403 and the voltage stabilizing didoe 405 in parallel with full wave bridge rectifier.The use of this pressure limiting unit makes the television set of this set-top box power control applicable to different capacity.
Executive Module 430 comprises: triode 408, base stage links to each other with the output of voltage stabilizing didoe 407, emitting stage links to each other with set-top box power supply 409, when when signal processing module 420 receives the deenergization control signal, disconnection offers the power supply of set-top box, when when signal processing module 420 receives the power-on control signal, open the power supply that offers set-top box.
In the foregoing description, the set-top box power control can be according to the opening and closing opening and closing set-top box of television set, and is convenient for users to use.
Fig. 5 schematically shows the flow chart according to first embodiment of set-top box power control method of the present invention.As shown in the figure, this set-top box power control method 500 may further comprise the steps:
Step 501: gather current sensing signal from television set input power cord road; The current sensing signal of gathering can be the direct current induced signal, also can be the alternating current impression signal.
Step 502: the received current induced signal also is converted into voltage signal, when judging voltage signal less than predetermined threshold, and output deenergization control signal;
Step 503: receive the deenergization control signal, disconnect the power supply that offers set-top box according to the deenergization control signal.
In step 501,, then also need be converted into direct current signal if the current sensing signal of gathering is the alternating current impression signal.
By the power control method of the foregoing description, can realize that the user stops to watch program after, the power supply of cutting machine top box when closing (standby) television set makes user's closure plane top box separately.So not only can discharge mass data stream, thereby alleviate the flow pressure of whole screen link, can also power saving also safeguard set-top box better, bring inconvenience also can not for simultaneously user's operation.
Fig. 6 schematically shows the flow chart according to second embodiment of set-top box power control method of the present invention.As shown in the figure, this set-top box power control method 600 may further comprise the steps:
Step 601: gather current sensing signal from television set input power cord road, the current sensing signal of being gathered can be the direct current induced signal, also can be the alternating current impression signal.
Step 602: current sensing signal is carried out pressure limiting handle;
Step 603: the received current induced signal also is converted into voltage signal, when judging voltage signal less than predetermined threshold, and output deenergization control signal;
Step 604: receive the deenergization control signal, disconnect the power supply that offers set-top box according to the deenergization control signal.
In step 601,, then also need be converted into direct current signal if the current sensing signal of gathering is the alternating current impression signal.
Pressure limiting is handled and to be made the television set of set-top box power control method of the present invention applicable to different capacity.Therefore, set-top box power control method of the present invention also has the advantage of applied range.
Set-top box power control provided by the invention and method, can realize that IPTV user stops to watch program after, the power supply that cuts off the IPTV set-top box when closing (standby) television set makes user's closure plane top box separately.So not only can discharge mass data stream, thereby alleviate the flow pressure of entire I PTV screen link, can also power saving also safeguard set-top box better, bring inconvenience also can not for simultaneously user's operation.
Description of the invention provides for example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present invention and practical application, thereby and makes those of ordinary skill in the art can understand the various embodiment that have various modifications that the present invention's design is suitable for special-purpose.
Claims (10)
1. a set-top box power control is characterized in that, comprising:
Television set electrical signal collection module is gathered current sensing signal from television set input power cord road, and it is issued signal processing module;
Described signal processing module is used to receive described current sensing signal and is converted into voltage signal, when judging described voltage signal less than predetermined threshold, and output deenergization control signal; And
Executive Module receives the deenergization control signal from described signal processing module, disconnects the power supply that offers set-top box according to described deenergization control signal.
2. set-top box power control according to claim 1 is characterized in that, described signal processing module comprises:
Signal conversion unit is used to receive described current sensing signal and is converted into voltage signal;
The pressure limiting unit, in parallel with described signal conversion unit, be used for the voltage signal of described signal conversion unit output is carried out the pressure limiting processing;
Signal judging unit is used to receive the voltage signal that described pressure limiting unit is exported, when judging described voltage signal less than predetermined threshold, and output deenergization control signal.
3. set-top box power control according to claim 1 is characterized in that, also comprises:
Attaching plug is connected with power supply;
The TV set power socket links to each other with attaching plug via described television set input power cord road; And
The set-top box supply socket is used for powering to set-top box.
4. set-top box power control according to claim 1 is characterized in that, described current sensing signal is the direct current induced signal.
5. set-top box power control according to claim 1 is characterized in that, described current sensing signal is the alternating current impression signal.
6. set-top box power control as claimed in claim 5 is characterized in that:
Described television set electrical signal collection module comprises:
Be connected on the primary coil on the television set input power cord road,
Secondary coil produces the alternating current impression signal when elementary coil midstream is crossed alternating current, and
Full wave bridge rectifier, its input is connected with the output of secondary coil, and is direct current signal with the alternating current impression signal rectification that is produced;
Described signal processing module comprises:
Electric capacity, its input is connected with the output of full wave bridge rectifier, converts described direct current signal to voltage signal,
Voltage stabilizing didoe, in parallel with electric capacity, when from the voltage signal of electric capacity input during less than predetermined threshold, output deenergization control signal;
Described Executive Module comprises:
Triode, base stage links to each other with the output of voltage stabilizing didoe, and emitting stage links to each other with the set-top box power supply, when when described signal processing module receives the deenergization control signal, disconnects the power supply that offers set-top box.
7. set-top box power control according to claim 6, it is characterized in that, described signal processing module also comprises the pressure limiting unit, and described pressure limiting unit comprises the resistance of connecting with full wave bridge rectifier and another voltage stabilizing didoe in parallel with full wave bridge rectifier.
8. a set-top box comprises as each described set-top box power control among the claim 1-7.
9. a set-top box power control method is characterized in that, comprising:
Gather current sensing signal from television set input power cord road;
Receive described current sensing signal and be converted into voltage signal, when judging described voltage signal less than predetermined threshold, output deenergization control signal; And
Receive the deenergization control signal, disconnect the power supply that offers set-top box according to described deenergization control signal.
10. set-top box power control method according to claim 9 is characterized in that, before receiving described current sensing signal, also comprises:
Described current sensing signal is carried out pressure limiting to be handled.
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| CN2010105418631A CN102065261B (en) | 2010-11-12 | 2010-11-12 | Set-top box and power supply control device and method thereof |
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| CN2010105418631A CN102065261B (en) | 2010-11-12 | 2010-11-12 | Set-top box and power supply control device and method thereof |
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| CN102065261A true CN102065261A (en) | 2011-05-18 |
| CN102065261B CN102065261B (en) | 2012-07-04 |
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| CN102630054A (en) * | 2012-04-06 | 2012-08-08 | 徐建刚 | Energy saving partner box of television |
| CN102883201A (en) * | 2012-10-17 | 2013-01-16 | 杭州嘉拓科技有限公司 | Control device and method for television set top box |
| CN103929664A (en) * | 2014-04-08 | 2014-07-16 | 江苏惠通集团有限责任公司 | Electronic equipment awaking method and device, Bluetooth module and electronic equipment |
| CN104902325A (en) * | 2015-05-26 | 2015-09-09 | 成都市斯达鑫辉视讯科技有限公司 | Method for automatically opening and closing digital wired receiver |
| CN106603948A (en) * | 2016-11-01 | 2017-04-26 | 广州视源电子科技股份有限公司 | High/low voltage protection method and system of TV set with storage battery |
| CN107834842A (en) * | 2017-11-15 | 2018-03-23 | 珠海经济特区金品电器有限公司 | The anti-clutter circuit and television set of a kind of while powered TV set and set top box |
| US10038323B2 (en) | 2012-02-20 | 2018-07-31 | Thomson Licensing | Method and controller for device power state control |
| CN111200757A (en) * | 2018-11-19 | 2020-05-26 | 中国电信股份有限公司 | Video playing method, set top box, system and storage medium |
| US11288707B2 (en) * | 2014-12-05 | 2022-03-29 | At&T Intellectual Property I, L.P. | Advertising for a user device in a standby mode |
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| CN111200757A (en) * | 2018-11-19 | 2020-05-26 | 中国电信股份有限公司 | Video playing method, set top box, system and storage medium |
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