CN2657311Y

CN2657311Y - Television set micro dynamic consumption remote control rendy state device

Info

Publication number: CN2657311Y
Application number: CN 200320116112
Authority: CN
Inventors: 李集海
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-11-30
Filing date: 2003-11-30
Publication date: 2004-11-17
Anticipated expiration: 2013-11-30

Abstract

A remote controlling stand-by device with micro power consumption used for television comprises an infrared remote control receiver, a relay, a circuit of optocoupler, an electric field induction switch, a chargeable battery, a circuit arrangement for recognition of a pulse and a circuit for coding recognition. The electric field induction switch is consisted of an electric field inductance coil 1 which is winded around external of 220V alternating current for many windings, a resistor 2 and an induction switch 6. A working power 8-1 terminal of the circuit arrangement for recognition of a pulse 8 is connected with a collector of a switching transistor 9, an output terminal 8-4 of the circuit arrangement for recognition of a pulse 8 is connected with an input terminal of a alternating current initial accessed circuit 12 through a diode and a resistor. The alternating current initial accessed circuit 12 is consisted of a relay 16, a storage capacitor 18. The benefit of the utility model is: the working current of the stand-by device is 300-500 MuA, the power consumption is 2.5mW, which is 2000 times lower than a remote controlling stand-by device of the prior art. The remote controlling stand-by device with micro power consumption used for television of the utility model has a good energy saving effect and social benefit, which is reliable to use and is applicable to color television, air conditioner, acoustic and other electrical apparatus for remote controlling stand-by with micro power consumption.

Description

The little power consumption remote control standby of television set device

Technical field

The utility model relates to TV remote-control standby technical field, the little power consumption remote control standby of particularly a kind of television set device.

Background technology

Television set is extensively universal, uses Infrared Ray Remote Control Technology and bring great convenience to people in television set, and remote control receives the bigger defective of stand-by power consumption in the television set but also exist, and only this item power consumption is lost and reached over ten billion Yuan national every year.

In the prior art, the Switching Power Supply and switch transformer power supply that output 12V arranged bigger than actual power loss are partly used in standby, and this is to be unable to do without Alternating Current Power Supply.Some types have adopted ac dump in recent years, but can not start shooting once more with remote controller, have still brought inconvenience to use.

Summary of the invention

The purpose of this utility model is to provide a kind of compared with prior art stand-by power consumption significantly to reduce, not only ac dump but also the little power consumption remote control standby of the television set device that can remote controller repeats to start shooting entirely.

The utility model is by the electric field induction switch, and second infrared remote control receiver, small-power rechargeable battery (4.8v), pulse-recognition circuit, relay, energy storage capacitor (4700 μ f/35V), optocoupler circuit and code identification circuit are formed.

Described electric field induction switch is made up of a few electric field induction coil 1, resistance 2, inductive switch 6 outside the 220V AC line, one end of induction coil 1 is unsettled, the other end is connected with an end of resistance 2, the other end of resistance 2 is connected with inductive switch signal input part 6-1 end, the 6-2 of inductive switch end and rechargeable battery 3+4.8V is connected, and inductive switch power output end 6-3 links to each other with the working power anode 7-1 of second infrared remote receiver 7; The signal output part 7-3 of second infrared remote receiver 7 is connected through the base stage of resistance 11 with triode 9, and this output also links to each other with the signal input part 8-3 of pulse-recognition circuit 8 simultaneously; The emitter of switch triode 9 is connected with the negative pole of diode 10, the positive pole of diode 10 and battery 3+4.8V is connected.

The working power 8-1 end of described pulse-recognition circuit 8 is connected with the collector electrode of switch triode 9, and its output 8-4 is connected with the input of the initial place in circuit 12 of alternating current through diode and resistance; The initial place in circuit 12 of alternating current is made up of relay 16, energy storage capacitor 18, the positive pole of its energy storage capacitor 18 links to each other with the node 13 that diode 19 intersects with relay 16, and the positive pole of diode 19 links to each other with the 12V DC power supply of cpu control circuit 23 in the television set.

Described optocoupler circuit 5 operating currents sampling end 5-1,5-2 are connected with the 220V AC power cord, its control end 5-3 is connected with an output 23-5 of television set cpu control circuit 23, and its signal output control terminal is connected with initial place in circuit 12 signal input parts of alternating current.

The signal input part 22-2 of described code identification circuit 22 is connected with cpu control circuit one signal output part Y, and its signal output part is connected with the M point of cpu control circuit 22.

Operation principle of the present utility model is such: after the electric field induction switch is started working, second infrared remote control receiver 7 obtains rechargeable battery 4.8V operating voltage, be in the stand-by operation state, after receiving the infrared pulse signal that remote controller sends, the output signal of second receiver of remote-control sytem 7 is sent into pulse recognition device 8 and is discerned, correct signal after the identification is through diode, triode 15 conductings during resistance makes in the initial place in circuit 12 of alternating current, 12V initial voltage on the energy storage capacitor 18 makes relay 16 adhesives, and through contact 16-1 and 16-2 connection 220V alternating current, television set begins operate as normal, produce 12V, the 5V DC power supply, 12V substitutes storage capacitor 18 immediately and gives relay 16 power supplies, 5V is for machine inner microprocessor CPU work, the high level of cpu control circuit 23-5 output makes triode 15 keep conducting through the 5-4 of photoelectrical coupler 5 end, and make relay 16 form self-lockings and work on, the high level of the 23-5 of cpu control circuit output also removes to block the electric field induction switch through the control end of inductive switch 6, it is stopped 7 power supplies of second infrared remote control receiver, just after television set was finished start, the electric field induction switch and second infrared remote control receiver all were in resting state.The 12V power supply gives energy storage capacitor 18 chargings, uses in order to start next time, and the 12V power supply also gives battery 3 chargings.After infrared remote control receiver in the television set is received the shutdown infrared signal, the normal signal of CPU23-5 end disappears at once, relay 16 discharges immediately, cut off AC power, television set quits work, under the effect of photoelectrical coupler 5, the moment of shutdown, the vanishing at once of the base potential of triode 15 has so just kept the electric energy on the storage capacitor 18, and can be enough to task again.Because no operate as normal signal, so also just cancelled blockade to electric field induction switch 6, second infrared remote control receiver 7 is in holding state again, owing to adopted the electric field induction switch, so after pulling out in power failure or with attaching plug, this device also just quits work.

The beneficial effects of the utility model are: because apparatus ' of standby operating current when standby is 300～500 μ A, power consumption is at 2.5mW, and is littler 2000 times more than than the power consumption of prior art remote control standby device, the energy-saving effect highly significant, and social benefit is huge.The utility model is skillfully constructed, and circuit design is reasonable, uses reliably, is fit to the usefulness that colour TV, air-conditioning, sound equipment and other electrical equipment are made little power consumption remote control standby.

Description of drawings

Accompanying drawing one, the utility model (circuit) fundamental diagram

Among the figure: 1-electric field induction coil, 2-resistance, 3-rechargeable battery, 5-optocoupler circuit, 5-1,5-2-optocoupler circuit current sampling end, 5-3-optocoupler circuit input, 5-4-optocoupler circuit output, 6-electric field induction switch, 7-the second infrared remote receiver, 8-pulse-recognition circuit, 9,15-switch triode, 10,19-diode, 11-resistance, 16-relay, 17-television set manual power switch, 18-energy storage capacitor, 22-code identification circuit, 23-cpu control circuit.

Execution mode

The utility model is described in further detail below in conjunction with accompanying drawing, its course of work is such: the 6-1 end of inductive switch sent into induced signal by electric field induction coil 1 through resistance 2, this moment, its control end did not have the signal input, inductive switch 6-3 end output+4.0V operating voltage, the second infrared remote receiver 7-1 obtains operating voltage and is in the stand-by operation state, at this moment, this device has only the inductive switch 6 and the second infrared remote receiver work, other are not worked without exception, its static standby current is 300～500 μ A, about operating voltage 4V, power consumption is less than 2.5mW, and power consumption is extremely low.After remote controller sends starting-up signal, second infrared remote receiver 7 receives that starting-up signal after treatment, 7-3 end output high level, and send into pulse-recognition circuit 8-3 and hold, make switch triode 9 conductings simultaneously, pulse-recognition circuit 8-1 end obtains+and the 4.0V operating voltage starts working, only allow infrared pulse signal pass through, those disturbing pulse that break-make produced and direct current signals by human body sensing and power supply are forbidden to pass through without exception, as belong to infrared pulse signal, its 8-4 end output high level, through diode, resistance makes switch triode 15 conductings, at this moment, initial voltage on the storage capacitor 18 makes relay 16 adhesives, its contact 16-1 and 16-2 connect the 220V AC power, television set gets the work of electric back and produces 12V, the 5V direct voltage, its 12V direct voltage replaces storage capacitor 18 to relay 16 power supplies immediately, make it keep adhesive, give electric capacity 18 chargings simultaneously, use in order to start next time, its 5V direct voltage is for cpu control circuit 23 work, approximately after 0.3 second, code identification circuit 22 must be established beginning work by cable, after discerning and handle, its code signal to CPU output makes the switching tube conducting, Switching Power Supply is started working, TV is finished start, this moment, the 23-5 end output high level of cpu control circuit was held triode 15 base stages of sending into the initial place in circuit 12 of alternating current through the 5-4 of photoelectrical coupler, make it form self-locking and continue conducting, the high level of 23-5 end output is also sent into the inductive switch signal input part, inductive switch 6 is ended, and stop to 7 power supplies of second infrared remote receiver, triode 9 and pulse-recognition circuit 8 also quit work.After infrared remote receiver in the television set is received the off signal of remote controller generation, the normal signal of cpu control circuit 23-5 output disappears at once, relay 16 discharges at once, cut off alternating voltage, television set quits work, meanwhile, because no operate as normal signal, so also just cancelled blockade to electric field induction switch 6, second infrared remote receiver 7 is in holding state again, under the effect of photoelectrical coupler 5, the moment of shutdown, the vanishing at once of the base potential of triode 15, like this, just keep the voltage on the storage capacitor 18 constant, can supply task again.Owing to adopted the electric field induction switch, after having a power failure or pulling out attaching plug, this device also just quits work.Only when television set uses for the first time, can manually start shooting earlier, after this then can use remote control standby arbitrarily.

The utility model circuit design is ingenious, and control is reliable, and very remarkable to TV and domestic electric appliances energy-saving effect, social benefit is huge.

Claims

1. the little power consumption remote control standby of a television set device comprises infrared remote control receiver, relay, optocoupler circuit, and it is characterized in that: said device also comprises an electric field induction switch, rechargeable battery, pulse-recognition circuit and code identification circuit; The electric field induction switch is made up of a few electric field induction coil (1), resistance (2), inductive switch (6) outside the 220V AC line; Working power (8-1) end of described pulse-recognition circuit (8) is connected with the collector electrode of switch triode (9), and its output (8-4) is connected with the input of the initial place in circuit of alternating current (12) through diode and resistance; The initial place in circuit of alternating current (12) is made up of relay (16), energy storage capacitor (18), and the positive pole of its energy storage capacitor (18) links to each other with the node (13) that relay (16) and diode (19) intersect; The positive pole of diode (19) links to each other with the 12V DC power supply of cpu control circuit (23) in the television set.

2, as the little power consumption remote control standby of the said television set of claim 1 device, it is characterized in that: an end of said induction coil (1) is unsettled, the other end is connected with an end of resistance (2), the other end of resistance (2) is connected with inductive switch signal input part (6-1), (6-2) end of inductive switch is connected with the positive pole of rechargeable battery (3), and inductive switch power output end (6-3) links to each other with the working power anode (7-1) of second infrared remote receiver (7); The signal output part (7-3) of second infrared remote receiver (7) is connected through the base stage of resistance (11) with triode (9), and this output also links to each other with the signal input part (8-3) of pulse-recognition circuit (8) simultaneously; The emitter of switch triode (9) is connected with the negative pole of diode (10), and the positive pole of diode (10) is connected with the positive pole of battery (3).

3. as the little power consumption remote control standby of the said television set of claim 1 device, it is characterized in that: described optocoupler circuit (5) operating current sampling end (5-1,5-2) is connected with the 220V phase line, its control end (5-3) is connected with an output (23-5) of television set cpu control circuit (23), and its signal output control terminal is connected with initial place in circuit 12 signal input parts of alternating current; The signal input part (22-2) of described code identification circuit (22) is connected with cpu control circuit one signal output part Y, and its signal output part is connected with the M point of cpu control circuit (22).

4. as the little power consumption remote control standby of the said television set of claim 1 device, it is characterized in that: the contact of said relay (16) (16-1,16-2) is serially connected in the 220V AC power inlet wire in parallel with the television set manual power switch respectively.