CN102594325A - Control system with energy-saving automatic-switching electronic device - Google Patents
Control system with energy-saving automatic-switching electronic device Download PDFInfo
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- CN102594325A CN102594325A CN2011100043751A CN201110004375A CN102594325A CN 102594325 A CN102594325 A CN 102594325A CN 2011100043751 A CN2011100043751 A CN 2011100043751A CN 201110004375 A CN201110004375 A CN 201110004375A CN 102594325 A CN102594325 A CN 102594325A
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Abstract
The invention provides a control system with an energy-saving automatic-switching electronic device. The control system comprises one piece of front-end equipment for transmitting a video signal, a control device and at least back-end equipment. The control device detects whether the front end equipment transmits the video signal or not so as to automatically control the power supply state of video control unit and/or the power supply state of the rear end equipment, and the energy-saving effect is effectively achieved.
Description
Technical field
The present invention is about a kind of control system of tool energy-saving automatic electronic installation, and especially a kind of have a control system of saving power supply and reducing the tool energy-saving automatic electronic installation of spare part consume.
Background technology
See also Fig. 1, show existing audio-video control system block schematic diagram; This audio-video control system 1 comprises many headend equipment 10, many analog/digitals (Analogue to Digital Converter; Be called for short ADC) the audio-visual selector of transducer 11, multiple digital/simulation (Digital to Analogue Converter, abbreviation DAC) transducer 12, a standby power 15, a central processing unit 17, one 13, a power supply management control unit 16 and a rear end equipment 14.
Continuous consult shown in Figure 1; Said power supply management control unit 16 connects this central processing unit 17 and rear end equipment 14 respectively; It exchanges (AC) power supply in order to management and supply and gives rear end equipment 14, and this power supply management control unit 16 starts or close the AC power of this rear end equipment 14 according to a control signal.Said standby power 15 provides direct current (DC) power supply to give corresponding simulating/digital quantizer 11 and central processing unit 17.
Corresponding respectively these analog/digital converters 11 that connect of said multiple digital/analog converter 12; It is in order to after being the simulation video-audio signal with the digital audio-video conversion of signals that receives; Send audio-visual selector 13 again to, 13 of audio-visual selectors are play according to selected simulation video-audio signal.
Corresponding respectively these headend equipments 10, central processing unit 17 and the standby power 15 of connecting of said analog/digital converter 11; It is in order to convert said simulation video-audio signal into the digital audio-video signal; And judged whether the input of simulation video-audio signal simultaneously, send central processing unit 17 to produce an alert signal.
Said central processing unit 17 is learnt after whether present headend equipment 10 has the simulation of transmission video-audio signal according to said alert signal and is produced said control signal, controls this power supply management control unit 16 and open and close rear end equipment 14.For example, then transmit said control signal control power supply management control unit 16 and start these rear end equipment 14 power supplys if the alert signal that said central processing unit 17 receives is represented when having the simulation video-audio signal to transmit.When if the video-audio signal transmission is not simulated in the alert signal representative of central processing unit 17 receptions this moment, then transmit said control signal control power supply management control unit 16 and close this rear end equipment 14 power supplys, to reach energy-conservation effect.
Though existing audio-video control system can reach purpose of energy saving; But its effect is unclear; Because when the simulation video-audio signal presents no picture or black picture; Said simulation video-audio signal is long electronegative potential, the feasible doubt that causes analog/digital converter 11 erroneous judgements easily and cause the whole system paralysis to continue to carry out, and this relative audio-video control system 1 energy-saving effect is not good.In addition; Since existing audio-video control system 1 because of need through many analog/digital converters 11 and multiple digital/analog converter 12; The simulation video-audio signal of input is done conversion and in transfer process, can be caused the simulation video-audio signal of rear end equipment 14 demonstrations to have the phenomenon of delay or distortion to take place easily.
Moreover existing audio-video control system 1 is when reality is used, and the quantity of the number needs of said analog/digital converter 11 collocation digital/analog converter 12 is used, yet causes on making, having increased production cost.
The above, prior art has disadvantage:
1. energy-saving effect is not good;
2. make the simulation video-audio signal that causes rear end equipment to show easily decay;
3. cost increases.
Therefore, how to solve above-mentioned existing problem and disappearance, the inventor who is this case desires most ardently the direction place that research improves with the relevant manufacturer that is engaged in the industry.
Summary of the invention
Therefore; For effectively solving the above problems; Main purpose of the present invention; Be to provide a kind of and detect at least one headend equipment through a control device whether the transmission signal of video signal is arranged,, make the control system that effectively reaches the tool energy-saving automatic electronic installation of saving power supply to control audio-visual control unit and/or the power supply status of rear end equipment of this control device in it automatically.
Secondary objective of the present invention is to provide a kind of control system with the tool energy-saving automatic electronic installation that reduces the spare part consume.
Secondary objective of the present invention is to provide a kind of control system with cost-effective tool energy-saving automatic electronic installation.
For reaching above-mentioned purpose; The present invention provides a kind of control system of tool energy-saving automatic electronic installation; Comprise at least one headend equipment, a control device and at least one rear end equipment that transmits a video-audio signal that have; Wherein this control device is corresponding respectively connects this headend equipment and rear end equipment, and said control device comprises: an audio-visual control unit connects this rear end equipment, and it is sent to corresponding rear end equipment according to the form that receives said video-audio signal; At least one detecting unit connects this audio-visual control unit and headend equipment respectively, and according to detecting whether this video-audio signal input is arranged, and produces one first signal; One processing unit connects this detecting unit and audio-visual control unit respectively, and produces a secondary signal according to the state of this first signal; One power switch control is then controlled the power supply status (promptly controlling power supply status for starting or dormancy) of this audio-visual control unit according to said secondary signal; Reach a standby power and connect this processing unit and detecting unit respectively, it gives this processing unit and detecting unit in order to supply electric power.
Compared with prior art, through the design of control system of the present invention, make effectively to reach the effect of saving power supply.
Description of drawings
Fig. 1 is existing enforcement block schematic diagram;
Fig. 2 A is the block schematic diagram of first preferred embodiment of the present invention;
Fig. 2 B is another block schematic diagram of first preferred embodiment of the present invention;
Fig. 3 is the enforcement block schematic diagram of first preferred embodiment of the present invention;
Fig. 4 is the enforcement block schematic diagram of second preferred embodiment of the present invention.
Description of reference numerals: control system-2; Power switch control-224; Headend equipment-20; Processing unit-225; First headend equipment-201; Rear end equipment-24; Second headend equipment-202; First rear end equipment-241; The 3rd headend equipment-203; Second rear end equipment-242; The 4th headend equipment-204; The 3rd rear end equipment-243; Control device-22; The 4th rear end equipment-244; Audio-visual control unit-221; The 5th rear end equipment-245; Detecting unit-222; Control interface-25; Standby power-223; Power supply management control unit-26.
Embodiment
Characteristic on above-mentioned purpose of the present invention and structure thereof and the function will be explained according to appended graphic preferred embodiment.
The present invention is a kind of control system of tool energy-saving automatic electronic installation; Seeing also Fig. 2 A, Fig. 3 is the sketch map that shows first preferred embodiment of the present invention; This control system 2 comprises at least one headend equipment 20, a control device 22 and at least one rear end equipment 24 that transmits a video-audio signal that have; Wherein headend equipment 20 is electrically connected this control device 22, and its be as a voice playing device, an image player, an audio-visual multimedia playing device, a notebook computer, a computer and other electronic installations wherein arbitrary, but be not limited to this; In practical implementation, all promptly alleged for this reason headend equipments 20 of equipment that can be used to export video-audio signal.
In this preferable enforcement, narrate for ease said headend equipment 20 is represented explanation with four headend equipments, wherein first headend equipment 201 is Multimedia On Demand (MOD); Second headend equipment 202 is a DVD player; The 3rd headend equipment 203 is a computer, and the 4th headend equipment 204 is a microphone, but during the actual enforcement of the present invention; The quantity of this headend equipment is not limited to above-mentioned quantity, can set up according to user's demand.
Continuous Fig. 2 A that consults; Be aided with and consult Fig. 3; Said rear end equipment 24 is electrically connected this control device 22, and its be as a display, a projector, a lighting device and other electric products (like cloth screen machine, light, air-conditioning system, stereo set) wherein arbitrary, represent explanation in this this rear end equipment of preferable enforcement with four rear end equipment; Wherein first rear end equipment 241 is a display; Second rear end equipment 242 is a projector, and the 3rd rear end equipment 243 is a stereo set, and the 4th rear end equipment 244 is a cloth screen machine.
Said control device 22 comprises an audio-visual control unit 221, at least one detecting unit 222, a standby power 223, a power switch control 224 and a processing unit 225 and connects detecting unit 222 and audio-visual control unit 221 respectively; This audio-visual control unit 221 has the function of audio-visual distribution and audio-visual selection; And it connects said rear end equipment (promptly connecting first, second, third and fourth corresponding rear end equipment 241,242,243,244 respectively), and this audio-visual control unit 221 is sent to corresponding rear end equipment broadcast according to the form that receives said video-audio signal.
The form of said video-audio signal comprises AM broadcasting, FM broadcasting or other simulating music signal form, NTSC movie news, PAL movie news, SECAM movie news or other simulation movie news form, RGB movie news, MPEG2 movie news, MPEG4 movie news, PCM message, MP3 message, MP4 message, WAV message, AIFF message, AU message, AAC message, AVI movie news, instant medium movie news (RealMedia video), instant message (RealAudio), Liquid message, DIVX, REAL, QUIC TIME, CSS DVD or VCD.
The continuous Fig. 3 that consults; Said detecting unit 222 connects this audio-visual control unit 221 and headend equipment 20 respectively; And whether it has this video-audio signal input according to detecting; And produce one first signal and send processing unit 225 to, make this processing unit 225 produce a secondary signal, with the start (like conducting or not conducting) of controlling this power switch control 224 according to the state (high potential or electronegative potential) of first signal; Wherein said processing unit 225 is a central processing unit (MCU), and it can control the standby or the resting state of said rear end equipment 24 through wired (like RS232) or wireless (like infrared transmission) transmission means.
For example when if this processing unit 225 is high potential according to the state of first signal that receives; Then transmit this these power switch control 224 conductings of secondary signal control; The power supply status that makes this audio-visual control unit 221 is a starting state; Make audio-visual control unit 221 continue to carry out action, send video-audio signal to corresponding rear end equipment;
When if this processing unit 225 is electronegative potential according to the state of first signal that receives; Then transmit this these power switch control 224 not conductings of secondary signal control; The power supply status that makes this audio-visual control unit 221 is a closed condition and do not carry out action; So detect and need not come switching signal through any conversion equipment through the detecting unit 222 of this control device 22; Make the video-audio signal that audio-visual control unit 221 sends opposite rear end equipment to can distortion or decay, and then effectively reach again and save cost and excellent energy-saving effect.
The person does explanation in four detecting units 222 of said detecting unit 222 expressions of this preferable enforcement in addition, that is the quantity of this headend equipment 20 of the quantity of this detecting unit 222 collocation.Said power switch control 224 opens and closes the power supply status of this audio-visual control unit 221 according to said secondary signal; And in this power switch control 224 of this preferable enforcement is selected to be located at like this processing unit 225 of Fig. 2 B; That is this power switch control 224 forms an integrated circuit with processing unit 225, or is located in this control device 22 like Fig. 2 A.
Continuous consult shown in Figure 3ly, said standby power 223 connects this processing unit 225 and detecting unit 222 respectively, and it gives processing unit 225 and said detecting unit 222 (i.e. four detecting units 222) in order to supply electric power.Person in addition, this control system 2 more comprises a control interface 25 and connects these processing units 225, and it uses for user's input instruction in this processing unit 225, makes this processing unit 225 according to the corresponding rear end equipment of said input instruction control.
When for example the video-audio signal of second headend equipment 202 being distributed to these first and second rear end equipment 241,242 broadcasts as if user's desire; The user must control on the interface 25 behind the input instruction from this; The instruction that to import through this control interface 25 sends this processing unit 225 to, processing unit 225 is distributed the video-audio signal of second headend equipment 202 according to the audio-visual control unit 221 of commands for controlling of input send first and second rear end equipment 241,242 to and play.
When this moment, desire selected the audio signals of the 4th headend equipment 204 to be sent to the 3rd rear end equipment 243 as if the user; Then the user is from this control interface 25 behind the input instruction; The instruction that to import through this control interface 25 is passed to this processing unit 225, makes processing unit 225 select the audio signals of the 4th headend equipment 204 to send the 3rd rear end equipment 243 to according to the audio-visual control unit 221 of the commands for controlling of input and plays.
Other is the person; Because video-audio signal presents no picture or black picture sometimes; Make detecting unit 222 can judge headend equipment 20 no video-audio signal inputs; So in order to let detecting unit 222 accurately detecting and judgement, make the user to set Preset Times (as 2 minutes) through control interface 25 in advance and input in this processing unit 225, make this processing unit 225 according to state (electronegative potential) time that receives first signal and Preset Time comparison; If state (electronegative potential) time of said reception first signal is greater than this Preset Time; Then processing unit 225 is judged as the input of no video-audio signal, just transmits these power switch control 224 not conductings of secondary signal control, and the power supply status that makes this audio-visual control unit 221 is a closed condition and do not carry out action.
If state (electronegative potential) time of said reception first signal is less than this Preset Time; Then processing unit 225 is judged as and still has the video-audio signal input; Then transmit this these power switch control 224 conductings of secondary signal control; The power supply status of modern this audio-visual control unit 221 is a starting state, makes audio-visual control unit 221 continue to carry out action.
Seeing also Fig. 4 is to show the second preferred embodiment sketch map of the present invention; The primary structure of this preferred embodiment and connection relationship and effect thereof are roughly identical with said first preferred embodiment; So do not give unnecessary details again at this; Its both differences be in: this control system 2 more comprises a power supply management control unit 26; It connects this processing unit 225 and headend equipment 20 and rear end equipment 24 respectively; And it gives rear end equipment 24 and headend equipment 20 in order to management and power supply (this is an AC power), and opens and closes according to receiving the corresponding rear end equipment 24 of said secondary signal control and/or the power supply of headend equipment 20.Wherein do explanation according to the power supply keying of the corresponding rear end equipment 24 of secondary signal control in this power supply management control unit 26 of this preferable enforcement.
Other is the person; Represent explanation in this rear end equipment 24 of this preferable enforcement with five rear end equipment; Wherein first rear end equipment 241 is a display, and second rear end equipment 242 is a cloth screen machine and light, and the 3rd rear end equipment 243 is a stereo set; The 4th rear end equipment 244 is an air-conditioning system, and the 5th rear end equipment 245 is a projector.
Below lift an instantiation and do explanation:
When first to fourth headend equipment 201,202,203,204 and first to five rear end equipment 241,242,243,244,245 of installing in a place to operate schools (like the classroom) are in user mode; Detecting unit 222 can be detected after said first to fourth headend equipment 201,202,203,204 has video-audio signal input always; And transmit first signal and give processing unit 225; Making processing unit 225 is high potential according to the state that receives first signal; And learn first to fourth headend equipment 201,202,203,204 still just in use; And transmit secondary signal and control these power switch control 224 conductings; The power supply status that makes this audio-visual control unit 221 is that starting state continues to carry out when moving, and said secondary signal also can be controlled this power supply management control unit 26 and open, and gives first to five rear end equipment 241,242,243,244,245 uses to continue the supply AC power;
If this detecting unit 222 detected this first to fourth headend equipment 201,202,203,204 and did not have video-audio signal when input this moment; Then detecting unit 222 can transmit first signal immediately and give processing unit 225; Making processing unit 225 is electronegative potential according to the state that receives first signal; And learn this first to fourth front end be equipped with 201,202,203,204 do not had use after; Just transmit the 224 not conductings of secondary signal control power switch control; The power supply status that makes this audio-visual control unit 221 is a closed condition and do not carry out action, and said secondary signal also can be controlled power supply management control unit 26 in the lump simultaneously, to close the AC power that is supplied to first to five rear end equipment 241,242,243,244,245.
Therefore; Design through this control system 2 of the present invention; Feasible one side can be improved the existing problem that can cause the signal of video signal distortion; And when actual production, can omit existing many converters again, it effectively reaches energy-conservation effect on the other hand again, and relative control device 22 also can promote the useful life of spare part in it along with the stand-by time shortening.
The above, the present invention has advantage compared to having now:
1. has excellent energy-saving effect;
2. has the saving cost;
3. has the effect that reduces its interior spare part loss of control device.
The above is merely preferred embodiment of the present invention, but characteristic of the present invention is not limited thereto, and anyly is familiar with this art in field of the present invention, can think easily and variation or modification, all should be encompassed in the following claim of the present invention.
Claims (11)
1. the control system of a tool energy-saving automatic electronic installation; It is characterized in that; Comprise at least one headend equipment, a control device and at least one rear end equipment that transmits a video-audio signal that have, this control device is corresponding respectively to connect this headend equipment and rear end equipment, and this control device comprises:
One audio-visual control unit connects this rear end equipment, and this audio-visual control unit is sent to corresponding rear end equipment according to the form that receives said video-audio signal;
At least one detecting unit connects this audio-visual control unit and this headend equipment respectively, and whether this at least one detecting unit have the input of this video-audio signal according to detecting, and produces one first signal;
One processing unit connects this detecting unit and this audio-visual control unit respectively, and this processing unit produces a secondary signal according to the state of this first signal;
One power switch control, it opens and closes the power supply status of this audio-visual control unit according to said secondary signal; And
One standby power, it connects this processing unit and this detecting unit respectively, gives this processing unit and this detecting unit in order to supply electric power.
2. the control system of tool energy-saving automatic electronic installation as claimed in claim 1 is characterized in that, this power switch control is selected to be located in this processing unit or in this control device.
3. the control system of tool energy-saving automatic electronic installation as claimed in claim 2 is characterized in that, this power switch control is located at and is formed an integrated circuit in this processing unit.
4. the control system of tool energy-saving automatic electronic installation as claimed in claim 1; It is characterized in that; This processing unit is a central processing unit; Its state according to said first signal that receives is a high potential, then transmits this this power switch control conducting of secondary signal control, and the power supply status that makes this audio-visual control unit is a starting state.
5. the control system of tool energy-saving automatic electronic installation as claimed in claim 1; It is characterized in that; This processing unit is a central processing unit; Its state according to said first signal that receives is an electronegative potential, transmits this this not conducting of power switch control of secondary signal control, and the power supply status that makes this audio-visual control unit is a closed condition.
6. the control system of tool energy-saving automatic electronic installation as claimed in claim 1 is characterized in that, headend equipment is a voice playing device, an image player, an audio-visual multimedia playing device, a notebook computer or a computer.
7. the control system of tool energy-saving automatic electronic installation as claimed in claim 1 is characterized in that, this rear end equipment is a display, a projector or a lighting device.
8. the control system of tool energy-saving automatic electronic installation as claimed in claim 1; It is characterized in that; The form of this video-audio signal comprises AM broadcasting, FM broadcasting or other simulating music signal form, NTSC movie news, PAL movie news, SECAM movie news or other simulation movie news form, RGB movie news, MPEG2 movie news, MPEG4 movie news, PCM message, MP3 message, MP4 message, WAV message, AIFF message, AU message, AAC message, AVI movie news, instant medium movie news, instant message, Liquid message, DIVX, REAL, QUIC TIME, CSS DVD or VCD.
9. the control system of tool energy-saving automatic electronic installation as claimed in claim 1; It is characterized in that; More comprise a power supply management control unit; This power supply management control unit connects this processing unit and this headend equipment and this rear end equipment respectively, gives this rear end equipment and this headend equipment in order to management and power supply, and opens and closes according to the power supply that receives the corresponding rear end equipment of said secondary signal control.
10. the control system of tool energy-saving automatic electronic installation as claimed in claim 1; It is characterized in that; More comprise a power supply management control unit; This power supply management control unit connects this processing unit and this headend equipment and this rear end equipment respectively,, and opens and closes according to receiving the corresponding rear end equipment of said secondary signal control and the power supply of headend equipment to rear end equipment and headend equipment in order to management and power supply.
11. control system like claim 1 or 9 described tool energy-saving automatic electronic installations; It is characterized in that; More comprise a control interface and connect this processing unit, use for user's input instruction and arrive this processing unit, make this processing unit according to the corresponding rear end equipment of said input instruction control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110004375.1A CN102594325B (en) | 2011-01-11 | 2011-01-11 | The control system of tool energy-saving automatic-switching electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110004375.1A CN102594325B (en) | 2011-01-11 | 2011-01-11 | The control system of tool energy-saving automatic-switching electronic device |
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| Publication Number | Publication Date |
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| CN102594325A true CN102594325A (en) | 2012-07-18 |
| CN102594325B CN102594325B (en) | 2016-06-29 |
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| CN201110004375.1A Expired - Fee Related CN102594325B (en) | 2011-01-11 | 2011-01-11 | The control system of tool energy-saving automatic-switching electronic device |
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| WO2007112188A2 (en) * | 2006-03-08 | 2007-10-04 | Westinghouse Digital Electronics, Llc | Method and apparatus for automatic startup and shutdown including automatic source switching |
| CN101409091A (en) * | 2007-10-09 | 2009-04-15 | 财团法人工业技术研究院 | Management system and management method for standby power of image and sound play apparatus |
| CN101465952A (en) * | 2007-12-21 | 2009-06-24 | 鸿富锦精密工业（深圳）有限公司 | Electronic device |
| TW201042624A (en) * | 2009-05-27 | 2010-12-01 | Weltrend Semiconductor Inc | Display control circuit with power-saving function |
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2011
- 2011-01-11 CN CN201110004375.1A patent/CN102594325B/en not_active Expired - Fee Related
Patent Citations (6)
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| US6006285A (en) * | 1997-04-30 | 1999-12-21 | Compaq Computer Corporation | Computer system capable of playing audio CDs in a CD-ROM drive independent of an operating system |
| CN1117305C (en) * | 1997-06-16 | 2003-08-06 | 三星电子株式会社 | Computer system for controlling monitor screen display under powder source management mode |
| WO2007112188A2 (en) * | 2006-03-08 | 2007-10-04 | Westinghouse Digital Electronics, Llc | Method and apparatus for automatic startup and shutdown including automatic source switching |
| CN101409091A (en) * | 2007-10-09 | 2009-04-15 | 财团法人工业技术研究院 | Management system and management method for standby power of image and sound play apparatus |
| CN101465952A (en) * | 2007-12-21 | 2009-06-24 | 鸿富锦精密工业（深圳）有限公司 | Electronic device |
| TW201042624A (en) * | 2009-05-27 | 2010-12-01 | Weltrend Semiconductor Inc | Display control circuit with power-saving function |
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