CN203367975U - Standby electricity-saving device of overvoltage protection - Google Patents
Standby electricity-saving device of overvoltage protection Download PDFInfo
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- CN203367975U CN203367975U CN 201320483733 CN201320483733U CN203367975U CN 203367975 U CN203367975 U CN 203367975U CN 201320483733 CN201320483733 CN 201320483733 CN 201320483733 U CN201320483733 U CN 201320483733U CN 203367975 U CN203367975 U CN 203367975U
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Abstract
A standby electricity-saving device of overvoltage protection is characterized by comprising a starting circuit, a system power supply, a power detection circuit, an energy conservation control circuit, a delay circuit, an overvoltage protection circuit, a relay circuit, a main control output end, and a controlled output end. The control circuit is simple and is provided with an overvoltage power-off protection function. When an electric appliance at the main control output end shuts down or stands by and an outputted power is less than a preset power, an energy conservation control is carried out, a further delay is carried out, and all power supplies are automatically cut off. Zero power consumption and energy conservation are realized. Only one master control electric appliance is controlled so as to realize a cut-off of serial equipment of the master control electric appliance and a controlled electric appliance in a delay manner. When one master control electric appliance is turned on, all the serial equipment is turned on; and when one master control electric appliance is turned off, all the serial equipment is turned off. The trouble of pulling out a power plug or turning off a switch of a socket is eliminated. The standby electricity-saving device with the overvoltage protection is suitable for one single electrical appliance or for multiple related serial electrical appliances; with the use of the power measurement circuit of the electronic watt hour meter, the load detection of all kinds of performance is realized; and the control circuit is few in component and low in cost, and is convenient and practical, safe and energy saving, and trouble saving and neglecting-resistant.
Description
Technical field:
The utility model belongs to field of electric control, relates to a kind of energy-saving control device of overpressure protection.
Background technology:
1. most of energy-saving control circuits do not have the superpressure power-off protection function, during the civil power superpressure, damage power consumption equipment, even lead to a disaster.
When 2. people make electrical appliance, often forget power cutoff, or the remote-control closedown standby, all can waste electric energy, be unfavorable for maintaining electrical equipment, affect appliance life, even lead to a disaster.There are power consumption and standby safety problem.
Power consumption during 3. for the elimination electric appliance standby, avoid long-time energising, needs unplugg after most electrical equipment is finished, and cuts off AC power, and frequent plug, not only trouble, more aggravate loose contact, the damage plugs and sockets, and impact is used.
4. have mostly circuit complexity of energy-saving controller now, job insecurity, cost is high, Maintenance Difficulty.
Summary of the invention:
The energy-saving control circuit that provides a kind of automatic AC to turn-off is provided the utility model purpose, during the civil power superpressure, and automatic cut-off power.Utilize the power-measuring circuit of electronic electric energy meter, detect the variation of the electric current of master control output electric appliance load, electrical equipment shutdown or the standby of master control output, when output is less than the power of setting, cut off all power automatically, and zero-power is energy-conservation.Control a machine, all turn-off.Be applicable to single electrical equipment or a plurality of relevant electric appliance series use.
The standby power-saving device of overpressure protection, is characterized in that, by start-up circuit, and system power supply, power-sensing circuit, energy-saving control circuit, delay circuit, the overpressure protection circuit, relay circuit, master control output and controlled output form.
Power supply input L end, through resistance R 19, relay coil J1， mono-tunnel is through controllable silicon VS1 to power supply N end, and hold to power supply N through controllable silicon VS2 on another road, power supply input L end, through resistance R 20, start button AN1, connects the control utmost point of controllable silicon VS2, the normally opened contact JK1 of relay is serially connected with power supply input L end and power supply output L end, and (7) power output end is controlled output, the system power supply that power output end connects transformer transformation rectifying and wave-filtering (2), the system power supply positive pole through light-emitting diode TD1, resistance R 13 to the system power supply negative pole, system power supply be connected in power-sensing circuit (3), energy-saving control circuit (4), delay circuit (5) with the overpressure protection circuit (9), power supply N end links the system power cathode, power supply N end is through one section copper cash or be engraved in circuit board the preceding paragraph Copper Foil or the current diverter directly made with copper-manganese in electronic electricity meter connects master control electrical equipment, i.e. power supply N end company current diverter top, the current diverter tail end be the master control output (8), current diverter top connects 2 pin of power detection IC1 through resistance R 4, the current diverter tail end connects 3 pin of power detection IC1 through resistance R 5, and 4 pin of power detection IC1 connect power supply output L end through resistance R 6, resistance R 7, the 5 pin welding system power cathodes of power detection IC1, the positive pole of system power supply is through resistance R 10, the collector emitter of triode Q3, connect 1 pin of power detection IC1, the 1 foot meridian capacitor C4 of power detection IC1 is to the system power supply negative pole, the base stage warp of triode Q3 the voltage-stabiliser tube VD3 connect, capacitor C 3 is to the system power supply negative pole, the base stage of triode Q3 is through resistance R 8, resistance R 9 welding system positive sources, 6 pin of power detection IC1 are through resistance R 3, light-emitting diode TD2 connects the base stage of triode Q1, the base stage of triode Q1 through capacitor C 7 to the system power supply negative pole, the negative pole of the emitter welding system power supply of triode Q1, the collector electrode of triode Q1 connects capacitor C 1 to the system power supply negative pole, the collector electrode warp of triode Q1 the resistance R 1 connect, diode D5 is to the system power supply positive pole, the collector electrode of triode Q1 is through voltage-stabiliser tube VD1, resistance R 12 is to the base stage of triode Q2, the negative pole of the emitter welding system power supply of triode Q2, the collector electrode of triode Q2 is through the positive pole of resistance R 9 welding system power supplys, the collector electrode of triode Q2 is through voltage-stabiliser tube VD2, resistance R 11 connects the base stage of triode Q5, the emitter welding system positive source of triode Q5, the collector electrode of triode Q5 connects the triggering input of delay circuit IC2 through resistance R 2, the triggering input termination capacitor C 2 of delay circuit IC2 is to the negative pole of system power supply, the triggering input of delay circuit IC2 is through resistance R 14, close button AN2 welding system positive source, the output of delay circuit IC2 is through resistance R 17, resistance R 18 is to the control utmost point of controllable silicon VS1, the positive pole of system power supply through voltage-stabiliser tube VD4 Hou， mono-tunnel through capacitor C 5 to the system power supply negative pole, another road connects the base stage of triode Q4 after resistance R 15, resistance R 16 buffering dividing potential drops, the negative pole of the emitter welding system power supply of triode Q4, the collector electrode of triode Q4 is the output to delay circuit IC2 through resistance R 17.
The circuit working process:
When pressing startup button AN1, power supply is through resistance R 20, start button AN1, the control utmost point of controllable silicon VS2 obtains electric, controllable silicon VS2 conducting, the relay adhesive, the output conducting, circuit start, system power supply through resistance R 1 to capacitor C 1 charging time delay, in capacitor C 1 charging time delay voltage elevation process, if starting, the master control electrical equipment of power output end enters normal operating conditions, 6 pin of power-sensing circuit IC1 have the output of intermittent pulse signal, intermittently conducting of triode Q1, the charging voltage Cycle-release of capacitor C 1, make capacitor C 1 charging voltage be less than the voltage stabilizing value of voltage-stabiliser tube VD1, triode Q2 cut-off, triode Q3 conducting, power-sensing circuit work, because triode Q2 cut-off, triode Q5 also ends, and the triggering input current potential of delay circuit IC2 is in electronegative potential, the output of delay circuit IC2 is high potential, and through resistance R 17, resistance R 18, the control utmost point of controllable silicon VS1 obtains electric, controllable silicon VS1 conducting, relay maintains adhesive, power connection.
Electrical appliance shutoff when the master control output, or the electrical appliance of master control output is not activated or the standby of shutting down quits work, when the electric appliance power that power-sensing circuit detects the master control output is less than set point, 6 pin of power-sensing circuit IC1 do not have output of pulse signal, or the output of pulse signal time is elongated, triode Q1 is also elongated deadline, system power supply through resistance R 1 to capacitor C 1 charging time delay, while making capacitor C 1 charging voltage surpass the voltage stabilizing value of voltage-stabiliser tube VD1, triode Q2 conducting, the current collection of triode Q2 is electronegative potential very, one tunnel makes triode Q3 cut-off through resistance R 8, power-sensing circuit IC1 dead electricity quits work, then make 6 pin of power-sensing circuit IC1 there is no output of pulse signal, triode Q1 cut-off, another road, after triode Q2 conducting, the current collection of triode Q2 is electronegative potential very, voltage-stabiliser tube VD2 conducting, through resistance R 11, make triode Q5 conducting, system power supply through triode Q5, resistance R 2 to capacitor C 2 charging time delays, the triggering input terminal voltage of delay circuit IC2 surpass system power supply voltage 2/3rds after, the output upset of delay circuit IC2 is electronegative potential, controllable silicon VS1 cut-off, relay discharges, and power supply all turn-offs.Press while closing button AN2, i.e. the hand off power supply.
The adjustment element of the delay time that capacitor C 1, resistance R 1 are Energy Saving Control, opening of general Energy Saving Control time delay controlled set of time about 20 seconds, while making the normal operation of master control electrical equipment, the 6 pin output of pulse signal times of power-sensing circuit IC1 are less than the delay time of its Energy Saving Control, as: the 6 pin pulse signals of power ratio control testing circuit IC1 are at 12 seconds with interior output once; And when master control electrical equipment is not activated or the standby of shutting down quits work, the 6 pin output of pulse signal times of power-sensing circuit IC1 are much larger than the delay time of its Energy Saving Control, as: the 6 pin pulse signals of power ratio control testing circuit IC1 are in output more than 30 seconds once.The resistance value of adjusting resistance R6, resistance R 7, can change 6 pin output of pulse signal interval times of power-sensing circuit IC1.Adjust current diverter length thickness, also can change 6 pin output of pulse signal interval times of power-sensing circuit IC1.
The adjustment element that capacitor C 2, resistance R 2 are the delay time of time delayed turn-off control, the delay time that general time delayed turn-off is controlled is controlled at 1-10 minute, only has the triode Q2 conducting of Energy Saving Control, the triode Q5 conducting that time delayed turn-off is controlled, after starting control circuit IC2 computing time delay, its output is electronegative potential, controllable silicon VS1 cut-off, relay discharges, and power supply all turn-offs.After entering Energy Saving Control, the time delay certain hour is set as required, turn-offs all power.
Overpressure protection: overpressure protection circuit working after power connection, the direct voltage of transformer transformation rectifying and wave-filtering changes and lifting with civil power, when the civil power of 220V is normal, not conducting of voltage-stabiliser tube VD4, triode Q4 cut-off; If the civil power of 220V raises, the direct voltage of transformer transformation rectifying and wave-filtering changes and rises with civil power, while surpassing set point, and voltage-stabiliser tube VD4 conducting; triode Q4 conducting, through resistance R 18, the cut-off of controllable silicon VS1; relay discharges, and cuts off the electricity supply, and enters the self-lock protection state.
After power remove, the charging voltage of delay capacitor C1, through diode, D5 releases to delay circuit, for circuit again starts and prepares, even again start at short notice, during startup, 6 pin of power-sensing circuit IC1 have output of pulse signal, make triode Q1 conducting, and discharge the charging voltage of capacitor C 1, enter normal operating conditions.
Beneficial effect:
Control circuit is simple, and the superpressure power-off protection function is arranged.Electrical equipment shutdown or the standby of master control output, when output is less than the power of setting, carry out Energy Saving Control, further, after time delay, automatically cuts off all power, and zero-power is energy-conservation.Realize controlling master control electrical equipment one machine, reach the time delay of the controlled electrical equipment series of master control electrical equipment device power supply (DPS) and all turn-off purpose.One opens standard-sized sheet, and one closes complete shut-down.Save after each use the trouble of pulling out attaching plug or turning off switch on socket.Be applicable to single electrical equipment or a plurality of relevant electric appliance series use, utilize the power-measuring circuit of electronic electric energy meter, the load detecting of applicable various performances, control circuit is simple, and element is few, and cost is low, convenient and practical, energy-saving safe, memorandum saves trouble.
The accompanying drawing explanation:
Fig. 1 is pie graph.
Fig. 2 is circuit diagram.
In Fig. 2: (1), (2), (3), (4), (5), (6), (7), (8), the overpressure protection circuit (9) for the master control output for controlled output for relay circuit for delay circuit for energy-saving control circuit for power-sensing circuit for system power supply for start-up circuit.
Embodiment:
The standby power-saving device of overpressure protection, as shown in Figure 1 and Figure 2, be applicable to single electrical equipment or a plurality of relevant electric appliance series use, and the superpressure power-off protection function is arranged.Control master control electrical equipment one machine, reach the standby power-saving device that a kind of overpressure protection of purpose is all turn-offed in the time delay of the controlled electrical equipment series of master control electrical equipment device power supply (DPS); By start-up circuit, system power supply, power-sensing circuit, energy-saving control circuit, delay circuit, the overpressure protection circuit, relay circuit, master control output and controlled output form.
The normally opened contact JK1 of relay is serially connected with power supply input L end and power supply output L end, relay or contactor with 220V, VS1, VS2 are ac thyristor, T1 is transformer, C1-6 is electrochemical capacitor, and C7 is anti-interference capacitor, and R1-20 is resistance, the size of resistance R 19 and power, select according to the size of relay or contactor; D1-5 is rectifier diode IN4007, and indicator light is light-emitting diode TD1, and the pulse indicator light is light-emitting diode TD2, and VD1-4 is voltage-stabiliser tube.IC1 is the electric energy computation chip CSE7758 that power-sensing circuit is used; IC2 is time-base integrated circuit NE555; Q1-4 is NPN type triode, and Q5 is the positive-negative-positive triode, and AN1 is for starting button, and AN2 is for closing button.
The detection voltage-stabiliser tube VD4 of overpressure protection is the value that automatic coupling voltage regulator is adjusted while being adjusted to the 280V tripping protection according to need, and voltage-stabiliser tube VD4 gets 1-3 and only is connected in series, crucial in the voltage-stabiliser tube value, simple, sensitive, stable, reliable more than circuit such as electric resistance partial pressure, comparators; Resistance R 15, R16 and 5 dividing flow shaping cushioning effects of capacitor C.
Current diverter is used for detecting the size of current of master control electrical equipment, better with copper-manganese, or the current diverter of directly making with copper-manganese in electronic electricity meter, power supply output L end is current diverter top, for the point of the A in accompanying drawing 2, the master control output is the current diverter tail end, for the point of the B in accompanying drawing 2, the current diverter key is A, copper and the length thickness of wire between two current sampling points of B, also available diameter is 0.5 millimeter to 2 millimeters, grow one section copper cash of 1 to 10 centimetre or be engraved in circuit board the preceding paragraph Copper Foil and make current diverter, current diverter answers crimping good, heat radiation is installed and is arranged.
When pressing startup button AN1, power supply is through resistance R 20, start button AN1, the control utmost point of controllable silicon VS2 obtains electric, controllable silicon VS2 conducting, the relay adhesive, the output conducting, circuit start, system power supply through resistance R 1 to capacitor C 1 charging time delay, in capacitor C 1 charging time delay voltage elevation process, if starting, the master control electrical equipment of power output end enters normal operating conditions, 6 pin of power-sensing circuit IC1 have the output of intermittent pulse signal, intermittently conducting of triode Q1, the charging voltage Cycle-release of capacitor C 1, make capacitor C 1 charging voltage be less than the voltage stabilizing value of voltage-stabiliser tube VD1, triode Q2 cut-off, triode Q3 conducting, power-sensing circuit work, because triode Q2 cut-off, triode Q5 also ends, and the triggering input current potential of delay circuit IC2 is in electronegative potential, the output of delay circuit IC2 is high potential, and through resistance R 17, resistance R 18, the control utmost point of controllable silicon VS1 obtains electric, controllable silicon VS1 conducting, relay maintains adhesive, power connection.
Electrical appliance shutoff when the master control output, or the electrical appliance of master control output is not activated or the standby of shutting down quits work, when the electric appliance power that power-sensing circuit detects the master control output is less than set point, 6 pin of power-sensing circuit IC1 do not have output of pulse signal, or the output of pulse signal time is elongated, triode Q1 is also elongated deadline, system power supply through resistance R 1 to capacitor C 1 charging time delay, while making capacitor C 1 charging voltage surpass the voltage stabilizing value of voltage-stabiliser tube VD1, triode Q2 conducting, the current collection of triode Q2 is electronegative potential very, one tunnel makes triode Q3 cut-off through resistance R 8, power-sensing circuit IC1 dead electricity quits work, then make 6 pin of power-sensing circuit IC1 there is no output of pulse signal, triode Q1 cut-off, another road, after triode Q2 conducting, the current collection of triode Q2 is electronegative potential very, voltage-stabiliser tube VD2 conducting, through resistance R 11, make triode Q5 conducting, system power supply through triode Q5, resistance R 2 to capacitor C 2 charging time delays, the triggering input terminal voltage of delay circuit IC2 surpass system power supply voltage 2/3rds after, the output upset of delay circuit IC2 is electronegative potential, controllable silicon VS1 cut-off, relay discharges, and power supply all turn-offs.Press while closing button AN2, i.e. the hand off power supply.
The adjustment element of the delay time that capacitor C 1, resistance R 1 are Energy Saving Control, opening of general Energy Saving Control time delay controlled set of time about 20 seconds, while making the normal operation of master control electrical equipment, the 6 pin output of pulse signal times of power-sensing circuit IC1 are less than the delay time of its Energy Saving Control, as: the 6 pin pulse signals of power ratio control testing circuit IC1 are at 12 seconds with interior output once; And when master control electrical equipment is not activated or the standby of shutting down quits work, the 6 pin output of pulse signal times of power-sensing circuit IC1 are much larger than the delay time of its Energy Saving Control, as: the 6 pin pulse signals of power ratio control testing circuit IC1 are in output more than 30 seconds once.The resistance value of adjusting resistance R6, resistance R 7, can change 6 pin output of pulse signal interval times of power-sensing circuit IC1.Adjust current diverter length thickness, also can change 6 pin output of pulse signal interval times of power-sensing circuit IC1.
The adjustment element that capacitor C 2, resistance R 2 are the delay time of time delayed turn-off control, the delay time that general time delayed turn-off is controlled is controlled at 1-10 minute, only has the triode Q2 conducting of Energy Saving Control, the triode Q5 conducting that time delayed turn-off is controlled, after starting control circuit IC2 computing time delay, its output is electronegative potential, controllable silicon VS1 cut-off, relay discharges, and power supply all turn-offs.After entering Energy Saving Control, the time delay certain hour is set as required, turn-offs all power.
Overpressure protection: overpressure protection circuit working after power connection, the direct voltage of transformer transformation rectifying and wave-filtering changes and lifting with civil power, when the civil power of 220V is normal, not conducting of voltage-stabiliser tube VD4, triode Q4 cut-off; If the civil power of 220V raises, the direct voltage of transformer transformation rectifying and wave-filtering changes and rises with civil power, while surpassing set point, and voltage-stabiliser tube VD4 conducting; triode Q4 conducting, through resistance R 18, the cut-off of controllable silicon VS1; relay discharges, and cuts off the electricity supply, and enters the self-lock protection state.
After power remove, the charging voltage of delay capacitor C1, through diode, D5 releases to delay circuit, for circuit again starts and prepares, even again start at short notice, during startup, 6 pin of power-sensing circuit IC1 have output of pulse signal, make triode Q1 conducting, and discharge the charging voltage of capacitor C 1, enter normal operating conditions.
Start: pressing AN1 is the 1-2 time of second, and power connection starts the controlled electrical equipment of master control and enters normal operating conditions.
Shutdown:
A: civil power raises while surpassing settings, through the overpressure protection electric circuit inspection, cuts off the electricity supply.
B: turn-off master control electrical equipment, master control electrical equipment quits work, and through electric circuit inspection, cuts off the electricity supply.
C: master control electrical equipment is finished the work, and enters holding state, through electric circuit inspection, cuts off the electricity supply.
D: electrical equipment through electric circuit inspection, is cut off the electricity supply after entering program shutdown timing shutdown.
E: make the master control electric appliance standby with remote controller, after setting the television set turning device to sleep mode, become holding state, through electric circuit inspection, cut off the electricity supply.
F: press and close button.
The standby power-saving device of overpressure protection, have the superpressure power-off protection function.Master control electrical equipment shuts down or has worked and enters holding state, when output is less than the power of setting, carries out Energy Saving Control, and the time delay of serial equipment power supply is all turn-offed, and zero-power is energy-conservation.Control a machine, turn-off all.Be applicable to single electrical equipment or a plurality of relevant electric appliance series use.Utilize the power-measuring circuit of electronic electric energy meter, be applicable to the load detecting of various performances, the control circuit element is few, and cost is low, convenient and practical, energy-saving safe, and memorandum saves trouble.
Claims (1)
1. the standby power-saving device of overpressure protection, is characterized in that, by start-up circuit, and system power supply, power-sensing circuit, energy-saving control circuit, delay circuit, the overpressure protection circuit, relay circuit, master control output and controlled output form, power supply input L end, through resistance R 19, relay coil J1， mono-tunnel is through controllable silicon VS1 to power supply N end, and hold to power supply N through controllable silicon VS2 on another road, power supply input L end, through resistance R 20, start button AN1, connects the control utmost point of controllable silicon VS2, the normally opened contact JK1 of relay is serially connected with power supply input L end and power supply output L end, and (7) power output end is controlled output, the system power supply that power output end connects transformer transformation rectifying and wave-filtering (2), the system power supply positive pole through light-emitting diode TD1, resistance R 13 to the system power supply negative pole, system power supply be connected in power-sensing circuit (3), energy-saving control circuit (4), delay circuit (5) with the overpressure protection circuit (9), power supply N end links the system power cathode, power supply N end is through one section copper cash or be engraved in circuit board the preceding paragraph Copper Foil or the current diverter directly made with copper-manganese in electronic electricity meter connects master control electrical equipment, i.e. power supply N end company current diverter top, the current diverter tail end be the master control output (8), current diverter top connects 2 pin of power detection IC1 through resistance R 4, the current diverter tail end connects 3 pin of power detection IC1 through resistance R 5, and 4 pin of power detection IC1 connect power supply output L end through resistance R 6, resistance R 7, the 5 pin welding system power cathodes of power detection IC1, the positive pole of system power supply is through resistance R 10, the collector emitter of triode Q3, connect 1 pin of power detection IC1, the 1 foot meridian capacitor C4 of power detection IC1 is to the system power supply negative pole, the base stage warp of triode Q3 the voltage-stabiliser tube VD3 connect, capacitor C 3 is to the system power supply negative pole, the base stage of triode Q3 is through resistance R 8, resistance R 9 welding system positive sources, 6 pin of power detection IC1 are through resistance R 3, light-emitting diode TD2 connects the base stage of triode Q1, the base stage of triode Q1 through capacitor C 7 to the system power supply negative pole, the negative pole of the emitter welding system power supply of triode Q1, the collector electrode of triode Q1 connects capacitor C 1 to the system power supply negative pole, the collector electrode warp of triode Q1 the resistance R 1 connect, diode D5 is to the system power supply positive pole, the collector electrode of triode Q1 is through voltage-stabiliser tube VD1, resistance R 12 is to the base stage of triode Q2, the negative pole of the emitter welding system power supply of triode Q2, the collector electrode of triode Q2 is through the positive pole of resistance R 9 welding system power supplys, the collector electrode of triode Q2 is through voltage-stabiliser tube VD2, resistance R 11 connects the base stage of triode Q5, the emitter welding system positive source of triode Q5, the collector electrode of triode Q5 connects the triggering input of delay circuit IC2 through resistance R 2, the triggering input termination capacitor C 2 of delay circuit IC2 is to the negative pole of system power supply, the triggering input of delay circuit IC2 is through resistance R 14, close button AN2 welding system positive source, the output of delay circuit IC2 is through resistance R 17, resistance R 18 is to the control utmost point of controllable silicon VS1, the positive pole of system power supply through voltage-stabiliser tube VD4 Hou， mono-tunnel through capacitor C 5 to the system power supply negative pole, another road connects the base stage of triode Q4 after resistance R 15, resistance R 16 buffering dividing potential drops, the negative pole of the emitter welding system power supply of triode Q4, the collector electrode of triode Q4 is the output to delay circuit IC2 through resistance R 17.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320483733 CN203367975U (en) | 2013-08-08 | 2013-08-08 | Standby electricity-saving device of overvoltage protection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201320483733 CN203367975U (en) | 2013-08-08 | 2013-08-08 | Standby electricity-saving device of overvoltage protection |
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| CN203367975U true CN203367975U (en) | 2013-12-25 |
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| CN 201320483733 Expired - Fee Related CN203367975U (en) | 2013-08-08 | 2013-08-08 | Standby electricity-saving device of overvoltage protection |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104038189A (en) * | 2014-06-25 | 2014-09-10 | 李长溪 | Standby circuit for household electric appliances |
| CN106094631A (en) * | 2016-06-30 | 2016-11-09 | 北京小米移动软件有限公司 | intelligent switch control method and device |
| CN106410529A (en) * | 2016-12-07 | 2017-02-15 | 北京小米移动软件有限公司 | Intelligent socket control method and apparatus thereof |
-
2013
- 2013-08-08 CN CN 201320483733 patent/CN203367975U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104038189A (en) * | 2014-06-25 | 2014-09-10 | 李长溪 | Standby circuit for household electric appliances |
| CN104038189B (en) * | 2014-06-25 | 2017-08-25 | 李长溪 | Household electrical appliance stand-by circuit |
| CN106094631A (en) * | 2016-06-30 | 2016-11-09 | 北京小米移动软件有限公司 | intelligent switch control method and device |
| CN106410529A (en) * | 2016-12-07 | 2017-02-15 | 北京小米移动软件有限公司 | Intelligent socket control method and apparatus thereof |
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