CN209731438U - A kind of auto-power-off device applied to remote-controlled television set - Google Patents
A kind of auto-power-off device applied to remote-controlled television set Download PDFInfo
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- CN209731438U CN209731438U CN201920890162.5U CN201920890162U CN209731438U CN 209731438 U CN209731438 U CN 209731438U CN 201920890162 U CN201920890162 U CN 201920890162U CN 209731438 U CN209731438 U CN 209731438U
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Abstract
The utility model is a kind of auto-power-off device applied to remote-controlled television set, belongs to electronic technology field.Device includes bidirectional triode thyristor T1, triode Q1 and Q2, diode D1~D6, zener diode D7, resistance R1~R3, capacitor C1~C3, touch key K1 and connectivity port A1~A4; automatically the power supply that television set is disconnected after realization remote-control closedown achievees the purpose that save electric energy and protects television set.Auto-power-off device, as switch, is powered using bidirectional triode thyristor using capacitance decompression, and device itself is close to zero-power.
Description
Technical field
It is especially a kind of to automatically power off dress applied to remote-controlled television set the utility model relates to a kind of auto-power-off device
It sets, belongs to electronic technology field.
Background technique
Current most of television set, after remote-control closedown, there is no thorough power cutoffs, but enter standby mode.
In the standby state, the stand-by power consumption of television set causes waste of energy, meanwhile, television set is in prolonged standby mode,
It is easy to cause the power module of television set to damage.
Chinese patent (patent No.: ZL201720314378.8) discloses a kind of energy saver automatically powered off, realizes
When remote-control closedown, the power supply of television set is disconnected after a few minutes that are delayed automatically, to achieve the purpose that save electric energy and protect television set.
But the disclosed energy saver automatically powered off, there are following deficiencies: using resistance decompression power supply, being used as and opens using relay
It closes, this two o'clock causes device oneself power consumption to rise.
Utility model content
In order to solve the above-mentioned technical problem, the utility model, which provides, a kind of automatically powers off dress applied to remote-controlled television set
It sets, disconnects the power supply of television set after realization remote-control closedown automatically, achieve the purpose that save electric energy and protect television set.From dynamic circuit breaker
Electric installation, as switch, is powered, to make device itself close to zero-power using bidirectional triode thyristor using capacitance decompression.
It is that the utility model is taken the specific technical proposal is:
A kind of auto-power-off device applied to remote-controlled television set, it is characterized in that: the device includes bidirectional triode thyristor T1, three
Pole pipe Q1 and Q2, diode D1~D6, zener diode D7, resistance R1~R3, capacitor C1~C3, touch key K1 and connecting pin
Mouth A1~A4, wherein connectivity port A1, connectivity port A3 are connected with one end of capacitor C2；Another terminating diode D5 of capacitor C2
Cathode and diode D6 anode, the cathode of diode D6 connect the cathode of zener diode D7, capacitor C3 anode, touch by
One end of key K1 and the emitter of triode Q2, the cathode of the anode of diode D5, the anode of zener diode D7 and capacitor C3
All it is grounded；Connectivity port A2, one end of resistance R1, the anode of diode D1, the cathode of diode D2 and capacitor C1 cathode all
It is connected to the ground, the other end of the anode of diode D4 and D5, the cathode of diode D1 and resistance R1 is connected to bidirectional triode thyristor T1
Cathode, the cathode of the cathode of the cathode connecting diode D3 of diode D2, the cathode connecting diode D4 of diode D3, capacitor
The anode of C1 is connected to one end of the cathode of diode D5, the other end of touch key K1 and resistance R2；A4 connection in connectivity port is double
To the anode of silicon-controlled T1；The emitter of triode Q1 is grounded, and base stage connects the other end of resistance R2, collector connecting triode
The base stage of Q2, one end of the collector connection resistance R3 of triode Q2, the control of the another end connection bidirectional triode thyristor T1 of resistance R3
Pole.
The utility model has the following beneficial effects: providing a kind of auto-power-off device close to zero-power, it is applied to remote control
Television set disconnects the power supply of television set after realizing remote-control closedown automatically, achievees the purpose that save electric energy and protects television set.
Detailed description of the invention
Fig. 1 is the circuit diagram of the utility model.
Specific embodiment
The utility model is described further with reference to the accompanying drawing.
As shown in Figure 1, a kind of auto-power-off device applied to remote-controlled television set, including bidirectional triode thyristor T1, triode
Q1 and Q2, diode D1~D6, zener diode D7, resistance R1~R3, capacitor C1~C3, touch key K1 and connectivity port A1
~A4, wherein connectivity port A1, connectivity port A3 are connected with one end of capacitor C2；Another terminating diode D5's of capacitor C2 is negative
The anode of pole and diode D6, the cathode of diode D6 meet the cathode of zener diode D7, the anode of capacitor C3, touch key K1
One end and triode Q2 emitter, the cathode of the anode of diode D5, the anode of zener diode D7 and capacitor C3 all connects
Ground；Connectivity port A2, one end of resistance R1, the anode of diode D1, the cathode of diode D2 and capacitor C1 cathode all connect
To ground, the other end of the anode of diode D4 and D5, the cathode of diode D1 and resistance R1 is connected to the yin of bidirectional triode thyristor T1
Pole, the cathode of the cathode of the cathode connecting diode D3 of diode D2, the cathode connecting diode D4 of diode D3, capacitor C1's
Anode is connected to one end of the cathode of diode D5, the other end of touch key K1 and resistance R2；A4 connection in connectivity port is two-way can
Control the anode of silicon T1；The emitter of triode Q1 is grounded, and base stage connects the other end of resistance R2, collector connecting triode Q2's
Base stage, one end of the collector connection resistance R3 of triode Q2, the control electrode of the another end connection bidirectional triode thyristor T1 of resistance R3.
220V AC power source is accessed from connectivity port A1 and A2, and from connectivity port, A3 and A4 give television set, two-way controllable
Silicon T1 is triggered when being connected as electronic switch, and television set is powered, and when shutdown, will turn off the power supply of television set.
When positive half cycle, through capacitor C2 current limliting, diode D6 rectification, pressure stabilizing value is the zener diode D7 pressure stabilizing of 5.1V, electricity
Hold C3 filtering, the output of acquisition+5.1V power supply；When negative half period, diode D6 provides discharge channel to capacitor C2, for lower positive half cycle
Work is prepared.
It is in an off state since bidirectional triode thyristor T1 there is no triggering when breaker device is initially powered, it is equivalent to electricity
Off-state is also at depending on electromechanical source.
When needing out TV, the touch key K1 of a breaker device is first pressed ,+5.1V the voltage that capacitor C3 is provided is all the way
It charges, all the way driving triode Q1, then by triode Q1 driving triode Q2, is then driven by triode Q2 two-way to capacitor C1
The control electrode of silicon-controlled T1 makes bidirectional triode thyristor T1 obtain triggering and conducting；When touch key K1 is bounced, the storage of capacitor C1 is utilized
Energy driving triode Q1, bidirectional triode thyristor T1 continue acquisition triggering and conducting, and television set is powered, and user can turn on TV；
After user opens TV, the operating current of positive half cycle, television set flows back to connectivity port A2 through diode D4, D3 and D2, two
It generates the voltage drop lied prostrate 2 points more on pole pipe D4, D3 and D2, is also switched on diode D5, charges to capacitor C1, make capacitor C1
It maintains close to 2V voltage, so that triode Q1 and Q2 be maintained to be connected, bidirectional triode thyristor T1 is made persistently to obtain triggering and conducting.Negative half
The operating current in week, television set circulates through diode D1；When user uses remote controler closing television, television set enters standby shape
State, standby current are no more than 10 milliamperes, at this point, regardless of positive half cycle or negative half period, standby current all flows through resistance R1, and two
Pole pipe D1~D5 is all turned off, and capacitor C1 can not be charged, and energy storage is slow by the electric emitter of resistance R2 and triode Q1
Slow play goes out, and about after a few minutes, since capacitor C1 voltage declines, triode Q1 conducting weakens, and causes triode Q2 conducting and weakens, makes
Bidirectional triode thyristor T1 can not obtain effective triggering, bidirectional triode thyristor T1 shutdown, to disconnect the power supply of television set.
Claims (1)
1. a kind of auto-power-off device applied to remote-controlled television set, it is characterized in that: the device includes bidirectional triode thyristor T1, three poles
Pipe Q1 and Q2, diode D1~D6, zener diode D7, resistance R1~R3, capacitor C1~C3, touch key K1 and connectivity port
A1~A4, wherein connectivity port A1, connectivity port A3 are connected with one end of capacitor C2；Another terminating diode D5's of capacitor C2
The anode of cathode and diode D6, the cathode of diode D6 connect the cathode of zener diode D7, the anode of capacitor C3, touch key
One end of K1 and the emitter of triode Q2, the cathode of the anode of diode D5, the anode of zener diode D7 and capacitor C3 is all
Ground connection；Connectivity port A2, one end of resistance R1, the anode of diode D1, the cathode of diode D2 and capacitor C1 cathode all connect
It is connected to ground, the other end of the anode of diode D4 and D5, the cathode of diode D1 and resistance R1 is connected to bidirectional triode thyristor T1's
Cathode, the cathode of the cathode of the cathode connecting diode D3 of diode D2, the cathode connecting diode D4 of diode D3, capacitor C1
Anode be connected to one end of the cathode of diode D5, the other end of touch key K1 and resistance R2；A4 connection in connectivity port is two-way
The anode of silicon-controlled T1；The emitter of triode Q1 is grounded, and base stage connects the other end of resistance R2, collector connecting triode Q2
Base stage, triode Q2 collector connection resistance R3 one end, resistance R3 another end connection bidirectional triode thyristor T1 control electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920890162.5U CN209731438U (en) | 2019-06-12 | 2019-06-12 | A kind of auto-power-off device applied to remote-controlled television set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920890162.5U CN209731438U (en) | 2019-06-12 | 2019-06-12 | A kind of auto-power-off device applied to remote-controlled television set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209731438U true CN209731438U (en) | 2019-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920890162.5U Expired - Fee Related CN209731438U (en) | 2019-06-12 | 2019-06-12 | A kind of auto-power-off device applied to remote-controlled television set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209731438U (en) |
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2019
- 2019-06-12 CN CN201920890162.5U patent/CN209731438U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191203 Termination date: 20200612 |
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| CF01 | Termination of patent right due to non-payment of annual fee |