CN209330257U - Energy-saving control device based on TV signal - Google Patents
Energy-saving control device based on TV signal Download PDFInfo
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- CN209330257U CN209330257U CN201821646730.9U CN201821646730U CN209330257U CN 209330257 U CN209330257 U CN 209330257U CN 201821646730 U CN201821646730 U CN 201821646730U CN 209330257 U CN209330257 U CN 209330257U
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- signal
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- control device
- saving control
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Abstract
The utility model is suitable for energy saving television control technology field, provides a kind of energy-saving control device based on TV signal, comprising: signal input circuit, for obtaining the audio and/or vision signal of TV signal；Rectification circuit connects alternating current by a relay, for alternating current to be converted to Rectified alternating current；It is depressured filter circuit, for pulsating dc voltage to be carried out decompression filtering processing；Control circuit, the on-off for controlling the relay according to each circuit information are converted；And delay circuit.Whereby, the utility model can control television set according to the transmission state of TV signal and the on-off of set-top box is handled, and reach energy-efficient purpose.
Description
Technical field
The utility model relates to energy saving television control technology field more particularly to a kind of Energy Saving Controls based on TV signal
Device.
Background technique
In the prior art, the television standby time of the unified configuration in many public building areas is long, corresponding power supply or other electricity
Road plate is easy for ging wrong, and TV set-top box is also not related to for a long time, leads to set-top box crash or failure.
Although most of existing television set enters idle function when having included no vision signal in itself, but television set
When top box does not receive cable TV signal, set-top box will allow TV to show " signal always to prompt no signal
Interrupt ", just because of this " signal interruption " prompt, but allows TV into no video standby mode but should cannot be introduced into, cause
Television set is constantly in working condition.If artificially turning off set-top box, TV also can only be to enter standby mode, not do
Method is fully powered-off.
In summary, the existing technology has inconveniences and defects in actual use, so it is necessary to be improved.
Utility model content
For above-mentioned defect, the purpose of this utility model is to provide a kind of, and the Energy Saving Control based on TV signal is filled
It sets, television set can be controlled according to the transmission state of TV signal and the on-off of set-top box is handled, reaches energy-efficient purpose.
To achieve the goals above, the utility model provides a kind of energy-saving control device based on TV signal, comprising:
Signal input circuit, for obtaining the audio and/or vision signal of TV signal；
Rectification circuit connects alternating current by a relay, for alternating current to be converted to Rectified alternating current；
It is depressured filter circuit, for pulsating dc voltage to be carried out decompression filtering processing；
Control circuit, the on-off for controlling the relay according to each circuit information are converted；And
Delay circuit.
Energy-saving control device according to the present utility model based on TV signal, the signal input circuit include the first electricity
Hinder (R1), second resistance (R2), 3rd resistor (R3), first capacitor (C1) and triode (T1)；
The audio and/or vision signal are coupled to the triode (T1) through first capacitor (C1) and amplify, via three poles
The collector of pipe (T1) is exported to the control circuit.
Energy-saving control device according to the present utility model based on TV signal, the rectification circuit include four two poles
Pipe.
Energy-saving control device according to the present utility model based on TV signal, the decompression filter circuit include the 5th electricity
Hinder (R5), the 6th resistance (R6) and the second capacitor (C2).
Energy-saving control device according to the present utility model based on TV signal, the delay circuit include first diode
(D1), the 8th resistance (R8) and third capacitor (C3).
Energy-saving control device according to the present utility model based on TV signal, the control circuit include integrated chip
(IC1), the 7th resistance (R7) and bidirectional triode thyristor (T2).
Energy-saving control device according to the present utility model based on TV signal, the integrated chip (IC1) are
DC4011BP。
The utility model obtains its audio and/or video by one signal input circuit of setting from closed-circuit television signal
Signal, and control circuit is sent into after coupling amplification is handled to be controlled.Whole device connects alternating current by rectification circuit,
And a relay is connected between rectification circuit and alternating current, the power supply to TV and set-top box is realized with the actuation by relay
On-off control.Rectification circuit is also connected with a decompression filter circuit, for pulsating dc voltage processing to be converted to stable direct current
Electricity is that whole device is powered.Whereby, when signal input circuit is extracted less than audio and/or vision signal, pass through feedback, control
Circuit control a series of actions, relay will disconnect, and then cut off entire power supply power supply, and TV and set-top box are closed naturally,
Electric energy is saved, TV and set-top box is avoided to work long hours during idle time.
Detailed description of the invention
Fig. 1 is the energy-saving control device electrical principle structural schematic diagram of the TV signal of the utility model；
Fig. 2 is the energy-saving control device circuit diagram of the TV signal of an embodiment of the present invention.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Referring to Fig. 1, the utility model provides a kind of energy-saving control device of TV signal, which is used for from closed circuit electricity
Depending on obtaining its audio and/or vision signal in signal, and according to the on/off of signal automatic control TV and set-top box.Tool
Body, which includes:
Signal input circuit 10, for obtaining the audio and/or vision signal of TV signal.Signal input circuit 10 it is defeated
Enter end and connect wired television signal line, in order to obtain audio and/or vision signal from signal wire.When no TV signal,
Just audio and/or vision signal can not be obtained from the signal wire.
Rectification circuit 20 connects alternating current by a relay, for alternating current to be converted to Rectified alternating current.The alternating current
For AC220V alternating current.After it is handled by rectification circuit, becoming can Rectified alternating current.Certainly, the electricity of alternating current and relay composition
Line structure is also powered to TV and set-top box respectively.The disconnection and connection of the corresponding circuit structure of the folding of relay.
It is depressured filter circuit 30, for pulsating dc voltage to be carried out decompression filtering processing.Since Rectified alternating current cannot
It directly directly powers for other each circuits, the direct current by obtaining 10V or so after decompression filter circuit processing is needed, to it
The power supply of its circuit.Certainly, treated, and voltage value can carry out adaptability setting and adjustment according to circuit requirements and each component parameters,
This is the conventional technical means of those skilled in the art, and details are not described herein.
Control circuit 40, the on-off for controlling the relay according to each circuit information are converted.The control circuit 40 is also
It is connected with a delay circuit 50.When it receives audio and/or vision signal or no longer receives audio and/or vision signal
When, by a series of controls, the on-off control of relay is realized, whereby, so that can control TV in no TV signal
Energy conservation is realized whether to achieve the purpose that control TV and set-top box work with the on-off of set-top box power supply.
In conjunction with Fig. 2, in an embodiment of the utility model, the signal input circuit 10 includes first resistor R1, second
Resistance R2,3rd resistor R3, first capacitor C1 and triode T1；The audio and/or vision signal are coupled through first capacitor C1
Amplify to the triode T1, exports via the collector of triode T1 to the control circuit.
Rectification circuit 20 includes four diode D2~D5.
Being depressured filter circuit 30 includes the 5th resistance R5, the 6th resistance R6 and the second capacitor C2.
Delay circuit 50 includes first diode D1, the 8th resistance R8 and third capacitor C3.
Control circuit 40 includes integrated chip IC1, the 7th resistance R7 and bidirectional triode thyristor T2, and integrated chip IC1 is excellent
It is selected as DC4011BP.Bidirectional triode thyristor T2 plays on-off action.Integrated circuit IC 1 is the core element of entire electronic switch, is
Four-two input nand gate integrated circuits.Wherein 1,2 feet and 3 feet are respectively the input and output side of NAND gate 1；5,6 and 4 feet point
Not Wei NAND gate 2 input and output side；8,9 and 10 feet are respectively the input and output side of NAND gate 3；12,13 and 11 feet point
Not Wei NAND gate 4 output and input；7 and 14 feet are ground connection and supply pin respectively.NAND gate 1 and NAND gate 2 in the circuit
Form voice signal and optical signal and logic circuit；NAND gate 3, NAND gate 4 and resistance R7 form trigger circuit.
In concrete application, after alternating current (220V alternating current) passes through relay coil, via the bridge of D2, D3, D4 and D5 composition
Alternating voltage is become pulsating dc voltage after formula rectification circuit, is filtered by R5 and R6 partial pressure, C2, to obtain 10V or so
DC voltage, the working power as control circuit.At this point, the electric current by relay is less than 2mA, therefore relay will not be inhaled
It closes, TV and set-top box are power-off shutdown state.When 3 feet of the integrated chip IC1 of control circuit 40 are high level, NAND gate
5,6 foot input terminals of 3 feet output termination NAND gate 2, so the 4 feet output of NAND gate 2 is low level, diode D1 is cut at this time
Only, trigger circuit Triggerless, bidirectional triode thyristor T2 cut-off, relay are decontroled, and TV and set-top box are power-off shutdown state.
When not having audio signal, triode T1 is in a saturated state, and making 2 feet (audio signal input) of IC1 is low level, i.e.,
3 feet of IC1 are high level, finally make the 4 foot low level of output of NAND gate 2, and relay decontrols that (TV and set-top box are to power off
Off-mode).If have audio signal, triode T1 will occur being saturated repeatedly, end, make 2 ends of NAND gate occur repeatedly it is high,
Low level conversion process.It when NAND gate 2 exports high level, is charged by isolating diode D1 to capacitor C3, when C3 charges
When voltage reaches the threshold level of NAND gate 3, NAND gate 4 is made to export high level, triggering bidirectional triode thyristor T2 by resistance R7 makes
It is connected, and major loop just has biggish electric current to make its actuation by relay, makes TV and set-top box energization open state.T2
After conducting, due to not having audio signal, 2 feet of IC1 quickly become low level, so that the output of NAND gate 2 be made to be low level.But prolong
When circuit capacitor C3 discharged by resistance R8, by about 1 minute time drop to NAND gate 3 threshold level hereinafter,
NAND gate 4 is set to export low level, when zero-crossing of alternating current, T2 is automatically shut down, and relay is decontroled, and TV and set-top box are in power-off
Off-mode.
In conclusion the utility model obtains its audio by one signal input circuit of setting from closed-circuit television signal
And/or vision signal, and control circuit is sent into after coupling amplification is handled to be controlled.Whole device passes through rectification circuit
Alternating current is connected, and connects a relay between rectification circuit and alternating current, to be realized by the actuation of relay to TV and machine
The on/off of top box controls.Rectification circuit is also connected with a decompression filter circuit, for being converted to pulsating dc voltage processing
Stable DC is whole device power supply.Whereby, when signal input circuit is extracted less than audio and/or vision signal, lead to
Feedback is crossed, control circuit controls a series of actions, and relay will disconnect, and then cuts off entire power supply power supply, TV and machine top
Box is closed naturally, saves electric energy, TV and set-top box is avoided to work long hours during idle time.
Certainly, the utility model can also have other various embodiments, without departing substantially from the spirit of the present invention and its essence
In the case of, those skilled in the art work as can make various corresponding changes and modifications, but these according to the utility model
Corresponding changes and modifications all should belong to the protection scope of the utility model the attached claims.
Claims (7)
1. a kind of energy-saving control device based on TV signal characterized by comprising
Signal input circuit, for obtaining the audio and/or vision signal of TV signal；
Rectification circuit connects alternating current by a relay, for alternating current to be converted to Rectified alternating current；
It is depressured filter circuit, for pulsating dc voltage to be carried out decompression filtering processing；
Control circuit, the on-off for controlling the relay according to each circuit information are converted；And
Delay circuit.
2. the energy-saving control device according to claim 1 based on TV signal, which is characterized in that the signal input electricity
Road includes first resistor (R1), second resistance (R2), 3rd resistor (R3), first capacitor (C1) and triode (T1)；
The audio and/or vision signal are coupled to the triode (T1) through first capacitor (C1) and amplify, via triode
(T1) collector is exported to the control circuit.
3. the energy-saving control device according to claim 1 based on TV signal, which is characterized in that the rectification circuit packet
Include four diodes.
4. the energy-saving control device according to claim 2 based on TV signal, which is characterized in that the decompression filtered electrical
Road includes the 5th resistance (R5), the 6th resistance (R6) and the second capacitor (C2).
5. the energy-saving control device according to claim 4 based on TV signal, which is characterized in that the delay circuit packet
Include first diode (D1), the 8th resistance (R8) and third capacitor (C3).
6. the energy-saving control device according to claim 5 based on TV signal, which is characterized in that the control circuit packet
Include integrated chip (IC1), the 7th resistance (R7) and bidirectional triode thyristor (T2).
7. the energy-saving control device according to claim 6 based on TV signal, which is characterized in that the integrated chip
It (IC1) is DC4011BP.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821646730.9U CN209330257U (en) | 2018-10-11 | 2018-10-11 | Energy-saving control device based on TV signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821646730.9U CN209330257U (en) | 2018-10-11 | 2018-10-11 | Energy-saving control device based on TV signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209330257U true CN209330257U (en) | 2019-08-30 |
Family
ID=67707810
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821646730.9U Expired - Fee Related CN209330257U (en) | 2018-10-11 | 2018-10-11 | Energy-saving control device based on TV signal |
Country Status (1)
| Country | Link |
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| CN (1) | CN209330257U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109068077A (en) * | 2018-10-11 | 2018-12-21 | 中国人民解放军第七五医院 | Energy-saving control device based on TV signal |
-
2018
- 2018-10-11 CN CN201821646730.9U patent/CN209330257U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109068077A (en) * | 2018-10-11 | 2018-12-21 | 中国人民解放军第七五医院 | Energy-saving control device based on TV signal |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190830 Termination date: 20201011 |
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| CF01 | Termination of patent right due to non-payment of annual fee |