CN2694667Y - Standby circuit and TV set containing the circuit - Google Patents
Standby circuit and TV set containing the circuit Download PDFInfo
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- CN2694667Y CN2694667Y CN 200420033439 CN200420033439U CN2694667Y CN 2694667 Y CN2694667 Y CN 2694667Y CN 200420033439 CN200420033439 CN 200420033439 CN 200420033439 U CN200420033439 U CN 200420033439U CN 2694667 Y CN2694667 Y CN 2694667Y
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Abstract
The utility model discloses a standby power supply circuit and a TV containing the circuit, wherein, the standby power supply circuit comprises a remote control receiving and decoding circuit, a switching on and off control circuit and an electronic switch, wherein, the remote control receiving and decoding circuit is used for receiving control signal from a remote control, and controlling the on-off state of the electronic switch according the command of the signal via the switching on and off control circuit; the electronic switch is used for being connected to a position between the input end of commercial power and an electrical source circuit in the method of crossover connection. The utility model is characterized in that the utility model also comprises a standby control circuit and batteries, wherein, the control signal of the standby control circuit is sent to the switching on and off control circuit simultaneously, and the standby control circuit is used for controlling the connection or the disconnection among the batteries, the remote control receiving and decoding circuit and the switching on and off control circuit according to the command of the control signal. The utility model has the advantages that the power consumption can be reduced and the standby time can be prolonged.
Description
[technical field]:
The utility model relates to a kind of standby power supply circuits and comprises the television set of this circuit.
[background technology]:
The existing color television set of each manufacturer production, the standby mode that adopts has the direct current standby, during standby, the accessory power supply of television set needs to continue to provide 5V voltage to the micro-control circuit, to guarantee to continue to accept the remote-controlled start-up function, power consumption was bigger when the shortcoming of the standby of this kind mode was standby, and power consumption is generally about 5 ~ 10W; Or adopt and when standby, to cut off civil power and to enter holding state, but exist after the standby can't remote-controlled start-up shortcoming.
At present the patent the most close with the utility model is that the patent No. is 01139782.9 " a kind of can cold shutoff again can warm start TV set power ", this kind technology is as using rechargeable battery, then price is expensive and also need work a period of time to change rechargeable battery, as the technical scheme of " the external connection battery case assembly " that do not use this patent and provided, then the user uses also quite difficulty; As change the use common batteries into, then the power consumption during standby is under the situation of several milliwatts, common batteries then can only use tens days, and (capacity as common batteries is 500mAh, the control circuit power supply is 5V, power consumption during standby is 5 milliwatts, then common batteries is no more than one month service time), this problem of bringing is to need constant replacing batteries, the user almost can't normally use this function.
Also there is similar problem in other household electrical appliance.
[utility model content]:
The purpose of this utility model is exactly in order to overcome the above problems, and a kind of standby power supply circuits is provided and comprises the television set of this circuit, reduces power consumption, prolongs standby time.
For achieving the above object, a kind of standby power supply circuits that the utility model proposes comprise that the remote control that connects successively receives decoding circuit, switching on and shutting down control circuit and electronic switch, described remote control receives the on off state that decoding circuit is used to receive the remote controller control signal and controls electronic switch according to the instruction of this signal by the switching on and shutting down control circuit, described electronic switch is used for cross-over connection between mains electricity input end and power circuit, it is characterized in that: also comprise readiness control circuit and battery, the control signal of described switching on and shutting down control circuit inputs to readiness control circuit simultaneously, described readiness control circuit is used for the instruction according to control signal, and control battery and remote control receive decoding circuit, link to each other between the switching on and shutting down control circuit or disconnection.
Correspondingly, a kind of television set that comprises the standby power supply circuits that the utility model proposes, the remote control that comprises power circuit and connect successively receives decoding circuit, switching on and shutting down control circuit and electronic switch, described remote control receives the on off state that decoding circuit is used to receive the remote controller control signal and controls electronic switch according to the instruction of this signal by the switching on and shutting down control circuit, described electronic switch cross-over connection is between mains electricity input end and power circuit, it is characterized in that: also comprise readiness control circuit and battery, the control signal of described switching on and shutting down control circuit inputs to readiness control circuit simultaneously, described readiness control circuit is used for the instruction according to control signal, and control battery and remote control receive decoding circuit, link to each other between the switching on and shutting down control circuit or disconnection.
Adopt the beneficial effect of above scheme: owing to set up battery, when standby, battery still can receive decoding circuit, the power supply of switching on and shutting down control circuit or intermittent power supply to remote control, thereby makes that still can receive remote signal at holding state realizes start.Because battery is not to be connected to simply on readiness control circuit, remote control reception decoding circuit, the switching on and shutting down control circuit, but receive decoding circuit, the power supply of switching on and shutting down control circuit or intermittent power supply to remote control by readiness control circuit, setting by readiness control circuit like this, just may realize various modes such as low standby power loss, little stand-by power consumption, to reduce stand-by power consumption, prolongs standby time, and be user-friendly to.
[description of drawings]:
Fig. 1 is the utility model embodiment overall schematic.
Fig. 2 is the utility model embodiment infrared remote coding, radiating portion schematic diagram.
Fig. 3 is the reception of the utility model embodiment infrared remote control, decoding, Opportunity awaiting control for linear part schematic diagram.
[embodiment]:
Also in conjunction with the accompanying drawings the utility model is described in further detail below by specific embodiment.
In the following embodiment that embodies the utility model scheme (as shown in Figure 3), we realized following some:
Power consumption when 1. the user can be according to standby is selected the standby mode, has " low-power consumption interchange standby ", " little power consumption interchange standby ", " exchanging standby entirely " etc. selective, has demonstrated fully user's hommization requirement.And the power consumption during standby is very low, and under " low-power consumption standby " state, the power consumption of this moment has only several milliwatts, and promptly four joint common batteries can use nearly one month (under this state remote-controlled start-up) at any time; Under " low power consumption standby " state, the power consumption of this moment is about 0.30 milliwatt, and promptly four joint common batteries can use the time about half a year (under this state, waiting for the remote-controlled start in back), and the power consumption during than the direct current standby is much smaller.2. do not use under the television set situation as user's long period, can enter " exchanging standby entirely " state, the power consumption of this moment has only about several microwatts, and promptly four joint common batteries can use the time more than 2 years (under this state, can not realize remote-controlled start-up).3. utilize the externally hanging battery pod interface, it is more convenient, quick to change battery.When 4. the externally hanging battery box does not insert this circuit, do not influence the original function of use of television set, and insert other 5V voltage apparatus, can carry out power supply/charge etc. miscellaneous equipment at interface.
Present embodiment mainly is made up of two parts: 1. infrared remote control reception, decoding, Opportunity awaiting control for linear part (see figure 3), and this is a major part of the present utility model; 2. and the infrared remote coding that 1. matches, radiating portion (see figure 2), in fact be exactly the remote controller part.
Concrete respectively below its course of work of introducing:
One, infrared remote coding, receiving unit:
As shown in Figure 2, remote control coding partly adopts special-purpose remote-control transmitting integrated circuit (IC) 01 (TX-2B), when button SW01, SW02, SW03 are pressed respectively, intrinsic unmodulated coded pulse signal corresponding in the integrated circuit is exported from the 8. pin of IC01, be added to the emitter of Q01 with the 38KHz carrier wave that forms by R04 ~ R07, C03, C04, Q03 ~ Q05, modulated back exports the grid that field effect transistor Q02 is exported in the emission of TV remote controller infrared signal to from collector electrode, drives infrarede emitting diode LED01 and sends the infrared modulated coded pulse signal.This coding, radiating circuit are contained in television set infrared remote-control emitter inside, and button is drawn, and do not influence the original function of use of remote controller.
Two, infrared remote control reception, decoding, Opportunity awaiting control for linear part
As shown in Figure 1, this part comprises that the remote control that connects successively receives decoding circuit 3, switching on and shutting down control circuit 4 and electronic switch 8, described remote control receives the on off state that decoding circuit 3 is used to receive the remote controller control signal and controls electronic switches 8 according to the instruction of this signal by switching on and shutting down control circuit 4, described electronic switch 8 is used for cross-over connection between mains electricity input end AC INPUT and power circuit 1, it is characterized in that: also comprise readiness control circuit 5,6,7 and battery 9, described readiness control circuit 5,6,7 control signal inputs to the switching on and shutting down control circuit simultaneously, described readiness control circuit 5,6,7 are used for the instruction according to control signal, and control battery 9 receives decoding circuit 3 with remote control, link to each other between the switching on and shutting down control circuit 4 or disconnection.
Each square frame among Fig. 1 is presented as dashed rectangle respectively in Fig. 3, be respectively: 1: the television set switching power circuit; 2: the rechargeable battery control circuit; 3: infrared reception, decoding circuit; 4: the machine open/close control circuit; 5: the low power consumption standby control circuit; 6: exchange readiness control circuit entirely; 7: the low-power consumption standby control circuit.
In Fig. 3:
Described switching on and shutting down control circuit 4 comprises bistable trigger-action circuit Q2, Q3, the electronic switching tube Q4 that links to each other successively, described bistable trigger-action circuit Q2, Q3 are coupled in the output that remote control receives decoding circuit 3, and electronic switching tube Q4 is series on the hot-wire coil of relay J K.
The low power consumption standby control circuit 5 that comprises in the described readiness control circuit is used for making at least when holding state remote control to receive connection status at intermittence logical when breaking when decoding circuit 3 is in battery 9, it comprises multi-harmonic self-excited oscillation circuit Q5, Q6, the one end is coupled on the battery 9, and the other end is coupled in remote control and receives on the decoding circuit 3.
The low-power consumption standby control circuit 7 that described readiness control circuit comprises is used for making at least when holding state remote control to receive decoding circuit 3 and switching on and shutting down control circuit 4 is in on-state with battery 9, it comprises bistable trigger-action circuit Q13, Q14, the one end is coupled on the battery 9, and the other end is coupled in remote control and receives on decoding circuit 3 and the switching on and shutting down control circuit 4.
The full interchange readiness control circuit 6 that described readiness control circuit comprises is used for making at least when holding state remote control to receive decoding circuit 3 and switching on and shutting down control circuit 4 is in off-state with battery 9, it comprises bistable trigger-action circuit Q9, Q10, the one end is coupled on the battery 9, and the other end is coupled in remote control and receives on the decoding circuit 3.
In order to make the utility model can use rechargeable battery, and can be to battery charge in needs, and unwanted the time, disconnect, the utility model also is provided with rechargeable battery control circuit 2, one is terminated on the battery 9, and the other end is used for linking to each other with power circuit 1.Mainly form by switch S K and LED 1.
In the present embodiment, described battery 9 is installed in the externally hanging battery box and by the externally hanging battery interface and is connected in the circuit; Described externally hanging battery is under the situation that does not insert battery case, and its interface can be used as other 5V power devices/charging inlet.
The public terrestrial reference that the negative pole of battery and television set Switching Power Supply are supplied with micro-control circuit 5V voltage is designated as GND; The public coupling part that receives head, decoding IC, Q1 etc. is labeled as GND1; The coupling part, public ground of circuit is labeled as GND2 in the square frame 4,5, and GND, GND1, GND2 do not link together mutually.Can see that from following description present embodiment is just by controlling whether link to each other between these three ground wires break-make control that reaches battery and other circuit.In fact, the positive terminal of control battery does not have essence different with negative terminals, therefore can not break away from fully and design the circuit that the control anode connects on the basis of the present utility model, and these still belong to the scope of the utility model protection.
Q2, Q3 and peripheral circuit thereof, Q9, Q10 and peripheral circuit thereof, Q13, Q14 and peripheral circuit thereof are formed bistable trigger-action circuit separately, the setting of initial condition reset circuit (D8, D15, R29, R30, C19, C23, Q17, Q18, Q19), it is 5V voltage instantaneous for this control circuit of supply of switching power circuit generation, make Q17, Q18, Q19 conducting, the collector electrode output low level, be the current collection low level very of Q2, Q13, Q10, make Q4, Q11 conducting, Q15 ends.The Q11 conducting, GND communicates with GND2, because the existence of D7, the Q8 conducting, GND2 communicates with GND1, and promptly GND links to each other with GND2, GND1, can normally use.Q15 ends, and is for when normal the use, and Q15 does not control linking to each other of GND1 and GND, and after receiving the low-power consumption standby control command, the Q15 conducting is controlled GND and linked to each other with GND1.
IC is after receiving " low-power consumption standby ", " low power consumption standby ", " exchanging standby entirely " signal in decoding, IC1 6., 10., 7. pin is exported a high level signal respectively, when not having control signal usually, its output pin is a low level.
Under normal operating condition, by " low-power consumption standby " key, the infrared control signal of launching is through receiving the 3. pin that inputs to IC1 after head receives, a high level signal is exported, Q16 conducting, drain electrode output one low level signal from 6. pin in decoding back, trigger the bistable circuit upset that Q13, Q14 form, make the collector electrode output high level of Q13, the Q15 conducting, GND links to each other with GND1; Simultaneously 6. the high level signal of pin output inputs to the grid of Q1 through D13, and the Q1 conducting triggers the bistable circuit upset, the collector electrode output low level of Q3, Q4 ends, and the relay no current flows through, contact JK-1, JK-2 disconnect, and AC 220V can't add to television set, is in holding state.This moment, the Switching Power Supply of television set there was not work, had only this control circuit work such as the head of reception, decoding IC, and power consumption is very little, has only several milliwatts, so be called low-power consumption standby.For giving the user with luminous indication, the spy has increased LED 2, under this state, and LED2 Chang Liang, expression can be accepted the remote-controlled start-up instruction at any time.
As when the normal operating condition, by " low power consumption standby " key, the infrared control signal of launching inputs to the 3. pin of IC1 after receiving, a high level signal is exported from 10. pin in decoding back, the Q1 conducting, drain electrode output one low level signal triggers the bistable circuit that Q2, Q3 form, the collector electrode output low level of Q3, Q4 ends, and the relay no current flows through, and contact JK-1, JK-2 disconnect, AC 220V can't add to television set, is in holding state.This moment, square frame 6 interior bistable circuits were not triggered, and the state when still keeping start is so 6ND still links to each other with GND2.The on-state rate of the oscillating circuit control Q8 that forms by Q5, Q6 and peripheral circuit thereof, logical state when breaking when GND1 and GND2 are in, the connection status at intermittence of leading to when breaking when promptly GND1 and GND2 are in, at this moment, receive GND1 circuit such as head, decoding IC and be in the discontinuous operation state, reach purpose of power saving.Be arranged to conducting 1.5 seconds as Q8, by 30 seconds, then power consumption can reduce by ten times under " low-power consumption standby " state, has only several milliwatts at zero point, so be called " low power consumption standby ".The LED 2 of this moment is intermittently luminous, gives the user with prompting, is different from " low-power consumption standby " state.
As when the normal operating condition, by " exchanging standby entirely " key, the infrared control signal of launching inputs to the 3. pin of IC1 after receiving, a high level signal is exported from 7. pin in decoding back, the Q12 conducting, drain electrode output one low level signal triggers the bistable circuit upset that Q9, Q10 form, the collector electrode of Q9 is exported a low level signal, Q11 ends, and GND and GND2 are disconnected, and causes that the circuit no current flows through in the square frame 4,5, Q8 ends, and GND2 and GND1 are obstructed; Q4 ends simultaneously, no current flows through among the relay J K, relay contact JK-1, JK-2 disconnect, and AC 220V can't add to television set, and this moment, square frame 7 interior bistable circuits were not triggered, Q15 still is in cut-off state, GND1 does not link to each other with GND, and GND, GND1, GND are not communicated with mutually at this moment, receives head and can't receive any instruction, can not realize the remote-controlled start-up action, so be called " exchanging standby entirely ".Have only this moment square frame 6., the circuit working in 7., power consumption has only several microwatts, almost can ignore.The LED 2 of this moment is not luminous, is different from above-mentioned two kinds of holding states.
Under " low-power consumption standby " state, by " low-power consumption standby ", " low power consumption standby " and " exchanging standby entirely " key, remote-controlled start-up again.As pressing " low-power consumption standby " key, the infrared control signal of launching inputs to the 3. pin of IC1 after receiving, a high level signal is exported from 6. pin in decoding back, deliver to the grid of Q1 through D13, the Q1 conducting, drain electrode output one low level signal, trigger Q2, the bistable circuit of Q3, the collector potential of Q3 transfers high level to by low level, Q4 has electric current to flow through in the relay J K coil, contact JK-1 by by becoming conducting, the JK-2 adhesive, AC 220V inserts television set, the 5V voltage that Switching Power Supply produces is sent into this control circuit, makes the Q8 conducting through D7, and GND2 links to each other with GND1 always, be GND1 and GND2, GND links to each other, television set can normally use, and the 5V voltage that Switching Power Supply produces is sent into this control circuit moment, because initial condition reset circuit (D8, D15, R29, R30, C19, C23, Q18) existence, the current collection that makes Q13 is low level very, and Q15 ends; From the 6. high level signal of pin output of IC1, after R27, C16 delay slightly, input to Q16 simultaneously, can not trigger the state of bistable circuit Q13, Q14; As under " low-power consumption standby state ", by " low power consumption standby " key, the infrared control signal of launching inputs to the 3. pin of IC1 after receiving, a high level signal is exported from 10. pin in decoding back, the Q1 conducting, drain electrode output one low level signal, trigger the bistable circuit of Q2, Q3, the collector potential of Q3 transfers high level to by low level, Q4 has electric current to flow through in the relay J K coil, contact JK-1, JK-2 adhesive by by becoming conducting, AC 220V inserts television set, and television set can normally use; As pressing " the full interchange treated switch ", the infrared control signal of launching inputs to the 3. pin of IC1 after receiving, a high level signal is exported from 7. pin in decoding back, the Q1 conducting, drain electrode output one low level signal triggers Q2, the bistable circuit of Q3, the collector potential of Q3 transfers high level to by low level, Q4 becomes conducting by ending, there is electric current to flow through in the relay J K coil, contact JK-1, the JK-2 adhesive, AC 220V inserts television set, the 5V voltage that produces is supplied with this control circuit moment, because initial condition reset circuit (D8, D15, R29, R30, C19, C23, Q19) existence, the Q10 current collection is low level very, and Q11 still is in conducting state, GND links to each other with GND2,5V voltage inputs to Q8 through D7, makes the Q8 conducting, and GND2 links to each other with GND1, be GND, GND1, GND2 is connected together, and can normally use television set; And after R27, C15 time-delay slightly, input to Q12 from the high level signal of 7. pin output simultaneously, can not trigger the state of bistable circuit Q9, Q10.
At " low power consumption standby " state, under the situation that LED 2 is lighted, by " low-power consumption standby ", " low power consumption standby " and " exchanging standby entirely " key, also remote-controlled start-up again.As pressing " low power consumption standby " key, the infrared control signal of launching inputs to the 3. pin of IC1 after receiving, a high level signal is exported from 10. pin in decoding back, the Q1 conducting, drain electrode output one low level signal, trigger Q2, the bistable circuit of Q3, the collector potential of Q3 transfers high level to by low level, makes Q4 by by becoming conducting, has electric current to flow through in the relay J K coil, contact JK-1, the JK-2 adhesive, AC 220V inserts television set, and the 5V voltage that Switching Power Supply produces is delivered to the grid of Q8, Q8 conducting through D7, make GND1 and GND2, GND is connected together, and television set can normally use; As pressing " low-power consumption standby " key, the infrared control signal of launching inputs to the 3. pin of IC1 after receiving, a high level signal is exported from 6. pin in decoding back, deliver to the grid of Q1 through diode D13, make the Q1 conducting, drain electrode output one low level signal, trigger Q2, the bistable circuit that Q3 forms, the collector potential of Q3 transfers high level to by low level, make Q4 become conducting by ending, there is electric current to flow through in the relay J K coil, contact JK-1, the JK-2 adhesive, AC 220V inserts television set, the 5V voltage that Switching Power Supply produces is delivered to the grid of Q8 through D7, the Q8 conducting makes GND1 and GND2, GND is connected together, and television set can normally use, the 5V voltage that Switching Power Supply produces is sent into this control circuit moment, because initial condition reset circuit (D8, D15, R29, R30, C19, C23, Q18) existence, the current collection that makes Q13 is low level very, and Q15 ends; From the 6. high level signal of pin output of IC1, after R27, C16 delay slightly, input to Q16 simultaneously, can not trigger the state of bistable circuit Q13, Q14; As pressing " the full interchange treated switch ", the infrared control signal of launching inputs to the 3. pin of IC1 after receiving, a high level signal is exported from 7. pin in decoding back, the Q1 conducting, drain electrode output one low level signal, trigger Q2, the bistable circuit of Q3, the collector potential of Q3 transfers high level to by low level, Q4 has electric current to flow through in the relay J K coil, contact JK-1 by by becoming conducting, the JK-2 adhesive, AC 220V inserts television set, the 5V voltage that Switching Power Supply produces is supplied with this control circuit moment, because initial condition reset circuit (D8, D15, R29, R30, C19, C23, Q19) existence, the Q10 current collection is low level very, Q11 still is in conducting state, make Q11 still be in conducting state, GND links to each other with GND2, and 5V voltage inputs to Q8 through D7, make the Q8 conducting, GND2 links to each other with GND1, i.e. GND, GND1, GND2 is connected together, and can normally use television set; And after R27, C15 time-delay slightly, input to Q12 from the high level signal of 7. pin output simultaneously, do not influenced the state of bistable circuit Q9, Q10.
The utility model also is provided with hand switch SW1, is coupled in switching on and shutting down control circuit 4, is used for manually controlling the break-make of electronic switch 8.Push-button switch SW1 under the situation of no remote controller, guarantees that Q2, Q3 bistable circuit can overturn, and realize power up function at " low-power consumption standby " and " low power consumption standby " state; And under open state, press SW1, can realize " low power consumption standby " function.
The utility model also is provided with hand switch SW2, is parallel on the electronic switch 8, is used for the break-make between direct control mains electricity input end AC INPUT and the power circuit 1.Push-button switch SW2 under any circumstance can be used to directly start television set.One presses the button switch SW 2, SW2-1, SW2-2 reed closure, civil power is inserted television set, owing to be provided with initial condition reset circuit (D8, D15, R29, R30, C19, C23, Q17, Q18, Q19), be connected to switching on and shutting down control circuit 4 respectively, exchange readiness control circuit 6 and low-power consumption standby control circuit 7 entirely, the 5V voltage that Switching Power Supply produces is supplied with this control circuit, make the Q11 conducting, GND links to each other with GND2; Make the Q4 conducting simultaneously, relay J K adhesive has not influenced civil power and has inputed to switching power circuit after the release button switch SW 2; 5V voltage adds to Q8 through D7 simultaneously, the Q8 conducting, and GND2 links to each other with GND1, and promptly GND, GND1, GND2 are connected together, and can normally use television set.
Circuit in the frame of broken lines 1 is the switching power circuit of television set, the 5V voltage of micro-control circuit is supplied with in a road of its output, when normal boot-strap, supply with control circuit of the present utility model simultaneously, and when standby, readiness control circuit changes into by reserve battery power supply, and diode D1 is for preventing that 5V voltage is provided with to battery charge when the each normal boot-strap.
Circuit in the frame of broken lines 2 is a charging control circuit, when needs charge, and can be with switch S K closure under open state, LED 1 is shinny, is illustrated in the charging, after LED1 extinguishes, the expression charging process finishes, and switch S K can be disconnected, and finishes charging process.
The utility model has mainly been realized following some breakthrough:
(1) user can select the Opportunity awaiting control for linear mode according to the power consumption when the standby, low-power consumption standby (remote-controlled start-up is at any time arranged, but power consumption is greater than other two kinds), low power consumption standby (need wait for during remote-controlled start-up that power consumption is moderate), to exchange three kinds of modes of standby (can not realize remote-controlled start-up) entirely selective.
(2) under holding state, utilize the intermittent power supply function, the conducting that promptly utilizes square-wave oscillator circuit control field effect transistor/transistor with end, reach the ground connection and the off-state of control circuit, realize power saving, prolong the useful life of reserve battery.Under the low power consumption standby state, the power consumption of this moment has only several milliwatts at zero point, has saved energy resource consumption greatly, and continues to realize that remote control exchanges power up function.
(3) do not insert this circuit as the externally hanging battery box, and insert other 5V voltage apparatus, can charge etc., expanded the outside function of use of television set it at its interface.
(4) utilization is hung the battery case interface in addition in the television set outside, provide a kind of with the method for battery to the television set energize, make the TV set time clock feature become possibility, and be that other intelligentized function (as full-automatic timing, start etc.) of expanding based on the TV clock provides technique guarantee.
Readiness control circuit of the present utility model not only can be used for television set, can also be used for electrical equipment such as video tape recorder, DVD, sound equipment, plays the reduction power consumption, the effect of prolongs standby time.
Claims (30)
1. standby power supply circuits, comprise that the remote control that connects successively receives decoding circuit (3), switching on and shutting down control circuit (4) and electronic switch (8), described remote control receives the on off state that decoding circuit (3) is used to receive the remote controller control signal and controls electronic switch (8) according to the instruction of this signal by switching on and shutting down control circuit (4), described electronic switch (8) is used for cross-over connection between mains electricity input end (AC INPUT) and power circuit (1), it is characterized in that: also comprise readiness control circuit (5,6,7) and battery interface (10), the control signal of described switching on and shutting down control circuit inputs to readiness control circuit (5 simultaneously, 6,7), described readiness control circuit (5,6,7) be used for instruction according to control signal, control battery interface (10) receives decoding circuit (3) with remote control, link to each other between the switching on and shutting down control circuit (4) or disconnection.
2. a kind of standby power supply circuits as claimed in claim 1 is characterized in that: described electronic switch (8) is relay (JK), and its contact (JK-1, JK-2) is connected between mains electricity input end (AC INPUT) and the power circuit (1); Described switching on and shutting down control circuit (4) comprises bistable trigger-action circuit (Q2, Q3), the electronic switching tube (Q4) that links to each other successively, described bistable trigger-action circuit (Q2, Q3) is coupled in the output that remote control receives decoding circuit (3), and electronic switching tube (Q4) is series on the hot-wire coil of relay (JK).
3. a kind of standby power supply circuits as claimed in claim 2, it is characterized in that: also comprise initial condition reset circuit (D8, D15, R29, R30, C19, C23, Q17) in the described switching on and shutting down control circuit (4), be connected on the bistable trigger-action circuit (Q2, Q3) wherein, be used to guarantee that circuit is when just obtaining the 5V voltage of Switching Power Supply supply, make electronic switch (8) conducting, thereby make mains electricity input end (AC INPUT) and power circuit (1) be in on-state.
4. a kind of standby power supply circuits as claimed in claim 1, it is characterized in that: described readiness control circuit comprises low power consumption standby control circuit (5), is used for making at least when holding state remote control to receive the connection status at intermittence of leading to when decoding circuit (3) breaks when being in battery interface (10).
5. a kind of standby power supply circuits as claimed in claim 4, it is characterized in that: described low power consumption standby control circuit (5) comprises multi-harmonic self-excited oscillation circuit (Q5, Q6), the one end is coupled on the battery interface (10), and the other end is coupled in remote control and receives on the decoding circuit (3).
6. a kind of standby power supply circuits as claimed in claim 1, it is characterized in that: described readiness control circuit comprises low-power consumption standby control circuit (7), is used for making at least when holding state remote control to receive decoding circuit (3) and switching on and shutting down control circuit (4) and battery interface (10) and is in on-state.
7. a kind of standby power supply circuits as claimed in claim 6, it is characterized in that: described low-power consumption standby control circuit (7) comprises bistable trigger-action circuit (Q13, Q14), the one end is coupled on the battery interface (10), and the other end is coupled in remote control and receives on decoding circuit (3) and the switching on and shutting down control circuit (4).
8. a kind of standby power supply circuits as claimed in claim 7, it is characterized in that: also comprise initial condition reset circuit (D8, D15, R29, R30, C19, C23, Q18) in the low-power consumption standby control circuit (7), be connected on the bistable trigger-action circuit (Q13, Q14) wherein.
9. a kind of standby power supply circuits as claimed in claim 1, it is characterized in that: described readiness control circuit comprises full interchange readiness control circuit (6), is used for making when holding state remote control to receive decoding circuit (3) and switching on and shutting down control circuit (4) and battery interface (10) and is in off-state.
10. a kind of standby power supply circuits as claimed in claim 9, it is characterized in that: described full interchange readiness control circuit (6) comprises bistable trigger-action circuit (Q9, Q10), the one end is coupled on the battery interface (10), and the other end is coupled in remote control and receives on decoding circuit (3) and the switching on and shutting down control circuit (4).
11. a kind of standby power supply circuits as claimed in claim 10, it is characterized in that: exchange entirely and also comprise initial condition reset circuit (D8, D15, R29, R30, C19, C23, Q19) in the readiness control circuit (6), be connected on the bistable trigger-action circuit (Q9, Q10) wherein, be used to guarantee when circuit has just obtained the 5V voltage of Switching Power Supply supply, make remote control receive decoding circuit (3), switching on and shutting down control circuit (4) operate as normal.
12., it is characterized in that as claim 1,2,3 or 4 described a kind of standby power supply circuits: also comprise rechargeable battery control circuit (2), one be terminated at that battery interface (10) is gone up and and then be coupled to power circuit (1), the other end links to each other with battery (9).
13. as claim 1,2,3 or 4 described a kind of standby power supply circuits, it is characterized in that: described battery interface (10) is the externally hanging battery case assembly, and when described externally hanging battery did not insert this circuit, its interface can be used as the power supply/charge interface of other 5V equipment.
14., it is characterized in that: also comprise hand switch (SW1), be coupled in switching on and shutting down control circuit (4), be used for manually controlling the break-make of electronic switch (8) as claim 1,2,3 or 4 described a kind of standby power supply circuits.
15. as claim 1,2,3 or 4 described a kind of standby power supply circuits, it is characterized in that: comprise that also hand switch (SW2) is parallel on the electronic switch (8), be used for the connection between direct control mains electricity input end (AC INPUT) and the power circuit (1).
16. television set that comprises the standby power supply circuits, the remote control that comprises power circuit (1) and connect successively receives decoding circuit (3), switching on and shutting down control circuit (4) and electronic switch (8), described remote control receives the on off state that decoding circuit (3) is used to receive the remote controller control signal and controls electronic switch (8) according to the instruction of this signal by switching on and shutting down control circuit (4), described electronic switch (8) cross-over connection is between mains electricity input end (AC INPUT) and power circuit (1), it is characterized in that: also comprise readiness control circuit (5,6,7) and battery interface (10), the control signal of described switching on and shutting down control circuit inputs to readiness control circuit (5 simultaneously, 6,7), described readiness control circuit (5,6,7) be used for instruction according to control signal, control battery interface (10) receives decoding circuit (3) with remote control, link to each other between the switching on and shutting down control circuit (4) or disconnection.
17. a kind of television set that comprises the standby power supply circuits as claimed in claim 1 is characterized in that: described electronic switch (8) is relay (JK), and its contact (JK-1, JK-2) is connected between mains electricity input end (AC INPUT) and the power circuit (1); Described switching on and shutting down control circuit (4) comprises bistable trigger-action circuit (Q2, Q3), the electronic switching tube (Q4) that links to each other successively, described bistable trigger-action circuit (Q2, Q3) is coupled in the output that remote control receives decoding circuit (3), and electronic switching tube (Q4) is series on the hot-wire coil of relay (JK).
18. a kind of television set that comprises the standby power supply circuits as claimed in claim 2, it is characterized in that: also comprise initial condition reset circuit (D8, D15, R29, R30, C19, C23, Q17) in the described switching on and shutting down control circuit (4), be connected on the bistable trigger-action circuit (Q2, Q3) wherein, be used to guarantee that circuit is when just obtaining the 5V voltage of Switching Power Supply supply, make electronic switch (8) conducting, thereby make mains electricity input end (AC INPUT) and power circuit (1) be in on-state.
19. a kind of television set that comprises the standby power supply circuits as claimed in claim 1, it is characterized in that: described readiness control circuit comprises low power consumption standby control circuit (5), is used for making at least when holding state remote control to receive the connection status at intermittence of leading to when decoding circuit (3) breaks when being in battery interface (10).
20. a kind of television set that comprises the standby power supply circuits as claimed in claim 4, it is characterized in that: described low power consumption standby control circuit (5) comprises multi-harmonic self-excited oscillation circuit (Q5, Q6), the one end is coupled on the battery interface (10), and the other end is coupled in remote control and receives on the decoding circuit (3).
21. a kind of television set that comprises the standby power supply circuits as claimed in claim 1, it is characterized in that: described readiness control circuit comprises low-power consumption standby control circuit (7), is used for making at least when holding state remote control to receive decoding circuit (3) and switching on and shutting down control circuit (4) and battery interface (10) and is in on-state.
22. a kind of television set that comprises the standby power supply circuits as claimed in claim 6, it is characterized in that: described low-power consumption standby control circuit (7) comprises bistable trigger-action circuit (Q13, Q14), the one end is coupled on the battery interface (10), and the other end is coupled in remote control and receives on decoding circuit (3) and the switching on and shutting down control circuit (4).
23. a kind of television set that comprises the standby power supply circuits as claimed in claim 7, it is characterized in that: also comprise initial condition reset circuit (D8, D15, R29, R30, C19, C23, Q18) in the low-power consumption standby control circuit (7), be connected on the bistable trigger-action circuit (Q13, Q14) wherein.
24. a kind of television set that comprises the standby power supply circuits as claimed in claim 1, it is characterized in that: described readiness control circuit comprises full interchange readiness control circuit (6), is used for making when holding state remote control to receive decoding circuit (3) and switching on and shutting down control circuit (4) and battery interface (10) and is in off-state.
25. a kind of television set that comprises the standby power supply circuits as claimed in claim 9, it is characterized in that: described full interchange readiness control circuit (6) comprises bistable trigger-action circuit (Q9, Q10), the one end is coupled on the battery interface (10), and the other end is coupled in remote control and receives on decoding circuit (3) and the switching on and shutting down control circuit (4).
26. a kind of television set that comprises the standby power supply circuits as claimed in claim 10, it is characterized in that: exchange entirely and also comprise initial condition reset circuit (D8, D15, R29, R30, C19, C23, Q19) in the readiness control circuit (6), be connected on the bistable trigger-action circuit (Q9, Q10) wherein, be used to guarantee when circuit has just obtained the 5V voltage of Switching Power Supply supply, make remote control receive decoding circuit (3), switching on and shutting down control circuit (4) operate as normal.
27. as claim 1,2,3 or 4 described a kind of television sets that comprise the standby power supply circuits, it is characterized in that: also comprise rechargeable battery control circuit (2), one be terminated at that battery interface (10) is gone up and and then be coupled to power circuit (1), the other end links to each other with battery (9).
28. as claim 1,2,3 or 4 described a kind of television sets that comprise the standby power supply circuits, it is characterized in that: described battery interface (10) is the externally hanging battery box, described externally hanging battery case assembly, when not inserting this circuit, its interface can be used as the power supply/charge interface of other 5V equipment.
29., it is characterized in that: also comprise hand switch (SW1), be coupled in switching on and shutting down control circuit (4), be used for manually controlling the break-make of electronic switch (8) as claim 1,2,3 or 4 described a kind of television sets that comprise the standby power supply circuits.
30. as claim 1,2,3 or 4 described a kind of television sets that comprise the standby power supply circuits, it is characterized in that: comprise that also hand switch (SW2) is parallel on the electronic switch (8), be used for the connection between direct control mains electricity input end (ACINPUT) and the power circuit (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420033439 CN2694667Y (en) | 2004-03-22 | 2004-03-22 | Standby circuit and TV set containing the circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420033439 CN2694667Y (en) | 2004-03-22 | 2004-03-22 | Standby circuit and TV set containing the circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2694667Y true CN2694667Y (en) | 2005-04-20 |
Family
ID=34772780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420033439 Expired - Fee Related CN2694667Y (en) | 2004-03-22 | 2004-03-22 | Standby circuit and TV set containing the circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2694667Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100352273C (en) * | 2005-12-05 | 2007-11-28 | 深圳创维－Rgb电子有限公司 | Stand by control circuit of TV set and TV set with said stand by control circuit |
| CN101262556B (en) * | 2008-03-31 | 2011-04-13 | 深圳创维数字技术股份有限公司 | A STB with low-power consumption standby |
| US8013581B2 (en) | 2007-09-28 | 2011-09-06 | Chimei Innolux Corporation | Power supply circuit with stand-by control circuit and energy storage circuit |
| CN102474188A (en) * | 2009-07-02 | 2012-05-23 | 罗姆股份有限公司 | Power-supply control device, power supply system, and electronic device |
| CN102780401A (en) * | 2012-07-25 | 2012-11-14 | 深圳市茂宏电气有限公司 | Intelligent control circuit and intelligent control method of switch power supply efficiency |
| CN103034145A (en) * | 2012-12-19 | 2013-04-10 | 广州松下空调器有限公司 | Household appliance stand-by power consumption reduction method and achieving circuit thereof |
| CN103425071A (en) * | 2013-08-16 | 2013-12-04 | 深圳市茂宏电气有限公司 | Switching power energy efficiency control circuit |
| CN104898476A (en) * | 2015-04-07 | 2015-09-09 | 海能达通信股份有限公司 | Powering-on/off control circuit and electronic equipment with same |
| CN111478403A (en) * | 2020-05-11 | 2020-07-31 | 深圳Tcl新技术有限公司 | Power supply control method, power supply control circuit and medium |
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2004
- 2004-03-22 CN CN 200420033439 patent/CN2694667Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100352273C (en) * | 2005-12-05 | 2007-11-28 | 深圳创维－Rgb电子有限公司 | Stand by control circuit of TV set and TV set with said stand by control circuit |
| US8013581B2 (en) | 2007-09-28 | 2011-09-06 | Chimei Innolux Corporation | Power supply circuit with stand-by control circuit and energy storage circuit |
| CN101262556B (en) * | 2008-03-31 | 2011-04-13 | 深圳创维数字技术股份有限公司 | A STB with low-power consumption standby |
| CN102474188A (en) * | 2009-07-02 | 2012-05-23 | 罗姆股份有限公司 | Power-supply control device, power supply system, and electronic device |
| CN102474188B (en) * | 2009-07-02 | 2015-06-10 | 罗姆股份有限公司 | Power-supply control device, power supply system, and electronic device |
| CN102780401A (en) * | 2012-07-25 | 2012-11-14 | 深圳市茂宏电气有限公司 | Intelligent control circuit and intelligent control method of switch power supply efficiency |
| CN102780401B (en) * | 2012-07-25 | 2015-05-20 | 深圳市茂宏电气有限公司 | Intelligent control circuit and intelligent control method of switch power supply efficiency |
| CN103034145B (en) * | 2012-12-19 | 2016-08-31 | 广州松下空调器有限公司 | A kind of method of reduction for household electrical appliance stand-by power consumption and realize circuit |
| CN103034145A (en) * | 2012-12-19 | 2013-04-10 | 广州松下空调器有限公司 | Household appliance stand-by power consumption reduction method and achieving circuit thereof |
| CN103425071A (en) * | 2013-08-16 | 2013-12-04 | 深圳市茂宏电气有限公司 | Switching power energy efficiency control circuit |
| CN103425071B (en) * | 2013-08-16 | 2016-08-10 | 深圳市茂宏电气有限公司 | Switching Power Supply energy efficiency control circuit |
| CN104898476A (en) * | 2015-04-07 | 2015-09-09 | 海能达通信股份有限公司 | Powering-on/off control circuit and electronic equipment with same |
| CN111478403A (en) * | 2020-05-11 | 2020-07-31 | 深圳Tcl新技术有限公司 | Power supply control method, power supply control circuit and medium |
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Granted publication date: 20050420 Termination date: 20100322 |