The high-power electric appliance electricity-saving control device
Technical field:
The invention belongs to field of electric control, relate to a kind of energy-saving control circuit.
Background technology:
When 1. people make electrical appliance, often forget power cutoff, or the remote-control closedown standby, all can waste electric energy, be unfavorable for the electrical equipment maintenance, influence appliance life, even lead to a disaster.There are power consumption and standby safety problem.
Power consumption during 2. for the elimination electric appliance standby is avoided long-time energising, needs unplugg after most electrical equipment use up, and cut off AC power, and frequent plug bothers not only, more aggravates loose contact, damages plugs and sockets, and influence is used.
3. existing energy-saving controller is complicated circuit mostly, job insecurity, and cost is high, and it is difficult to safeguard.
Summary of the invention:
The object of the invention is to provide a kind of energy-saving control circuit of automatic AC shutoff; Utilize electronic electric meter to detect the change in current of master control output terminal electric appliance load, the electrical equipment shutdown or the standby of master control output terminal, output are cut off whole power supplys during less than the power set automatically, and zero-power is energy-conservation.Control a machine, all turn-off.Be fit to single electrical equipment or a plurality of relevant electric appliance series use.
The high-power electric appliance electricity-saving control device is characterized in that, by start-up circuit, and system power supply, electron watt-hour meter, delay circuit, relay circuit, master control output terminal and controlled output terminal are formed.
Power supply input L end is succeeded electric apparatus coil, the one tunnel through controllable silicon VS1 to power supply N end, hold to power supply N through controllable silicon VS2 on another road; Power supply input L end, through starting button AN1,
resistance R 6 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; Power supply output L hold one the tunnel connect electron watt-hour meter callout box
position terminals; The terminals of power supply input N termination electron watt-hour meter callout box
position; The terminals of power supply output N termination electron watt-hour meter callout box
position; The terminals of electron watt-hour meter callout box
and frame
position are accepted control electrical equipment; Be controlled output terminal ⑺; Electron watt-hour meter callout box
and frame
position wiring termination master control electrical equipment are master control output terminal ⑹.
Another road of controlled output terminal ⑺ connects by capacitor C 3 current limliting step-downs, and resistance R 3 is capacitor C 3 bleeder resistances, again through resistance R 4 bufferings, and commutator tube D1, commutator tube D2 rectification, capacitor C 2 filtering, system power supply ⑵ is formed in stabilivolt VD1 voltage stabilizing; System power supply is connected in delay circuit; Power supply N end links the system power cathode, and the positive pole of system power supply is through the triggering input end of resistance R 1 to delay circuit IC1, and the negative pole of termination capacitor C 1 to system power supply is imported in the triggering of delay circuit IC1; 5. and 6. electron watt-hour meter mark is the terminals of position, and the electron watt-hour meter that has mark differs, and promptly the electron watt-hour meter count pulse optocoupler output terminal CK1 and the CK2 that are used to test is connected to capacitor C 1 two ends; The output terminal connecting resistance R5 of delay circuit IC1 is to the control utmost point of controllable silicon VS1, and the control utmost point of controllable silicon VS1 is through closing button AN2 to the system power supply negative pole.
The circuit working process:
When pressing startup button AN1, power supply is through starting button AN1, resistance R 6; The control utmost point of controllable silicon VS2 gets electric, controllable silicon VS2 conducting, relay adhesive; The output conducting, circuit start, system power supply is delayed time to capacitor C 1 charging through resistance R 1; In capacitor C 2 charging time-delay voltage elevation process,, the master control electrical equipment of output terminal gets into normal operating conditions if starting
Intermittently conducting of optocoupler output terminal CK1 that the electron watt-hour meter count pulse is used to test and CK2; The charging voltage of capacitor C 1 periodically discharges; Make the triggering input end current potential of delay circuit IC1 be in below 2/3rds of system power supply voltage, the output terminal of delay circuit IC1 is a noble potential, controllable silicon VS1 conducting; The relay adhesive, power connection.
When the electrical appliance of master control output terminal is not activated or the standby of shutting down quits work; The electrical equipment electric power of master control output terminal is during less than setting value; Intermittently ON time is elongated for the optocoupler output terminal CK1 that the electron watt-hour meter count pulse is used to test and CK2, system power supply through resistance R 1 to capacitor C 1 charging time-delay, the triggering input terminal voltage of delay circuit IC1 surpass the delay circuit supply voltage 2/3rds after; The output terminal of delay circuit IC1 is an electronegative potential; Controllable silicon VS1 ends, and relay discharges, and power supply all turn-offs.
Capacitor C 1, resistance R 1 are the adjustment element of delay time; When making master control electrical equipment operate as normal; Optocoupler output terminal CK1 that the electron watt-hour meter count pulse is used to test and CK2 ON time at intermittence are less than its delay time; And when master control electrical equipment is not activated or the standby of shutting down quits work, optocoupler output terminal CK1 and CK2 intermittently ON time much larger than its time delayed turn-off time.Behind the power remove, the charging voltage of delay capacitor C1 is released through the interior circuit of delay circuit IC1, prepares for circuit starts once more.
Beneficial effect:
Control circuit is simple, and shutdown of the electrical equipment of master control output terminal or standby, output are carried out Energy Saving Control during less than the power set, cut off whole power supplys automatically.Zero-power is energy-conservation.Promptly realize control 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 that zero-power is energy-conservation.Reach energy saving purposes.One opens standard-sized sheet, and one closes complete shut-down.Save the trouble of pulling out attaching plug after each usefulness or turning off switch on the socket.Be fit to single electrical equipment or a plurality of relevant electric appliance series use, electron watt-hour meter is suitable for the load detection of various performances, and is accurately reliable, and can measure the electric weight that shows that master control electrical equipment is consumed, and element is few, and cost is low, and is convenient and practical, energy-saving safe, and memorandum saves trouble.
Description of drawings:
Fig. 1 is a pie graph.Fig. 2 is a circuit diagram.
Among Fig. 2: start button ⑴, system power supply ⑵, electron watt-hour meter ⑶, delay circuit ⑷, relay circuit ⑸, master control output terminal ⑹, controlled output terminal ⑺.
Embodiment:
The high-power electric appliance electricity-saving control device like Fig. 1, shown in Figure 2, is fit to single electrical equipment or a plurality of relevant electric appliance series use, and control master control electrical equipment one machine reaches all a kind of energy-saving control circuits of shutoff purpose of the controlled electrical equipment series of master control electrical equipment device power supply (DPS) time-delay; By start-up circuit, system power supply, electron watt-hour meter, delay circuit, relay circuit, master control output terminal and controlled output terminal are formed.
The normally opened contact JK1 of relay is serially connected with the power supply input/output terminal, and with relay or the contactor of 220V, VS1, VS2 are ac thyristor MAC97A6; C1-2 is an electrochemical capacitor, and C4 is the electric capacity of the dacron of 0.47 μ F/400V, and R1-6 is a resistance; D1-2 is commutation diode IN4007; VD1 is a stabilivolt, and pilot lamp is light emitting diode TD1, and IC1 is time-base integrated circuit NE555.
5. and 6. electron watt-hour meter mark is the terminals of position; Be optocoupler output terminal CK1 and the CK2 that the electron watt-hour meter count pulse is used to test, the electron watt-hour meter that has mark ' CK+ ' and ' CK-', perhaps '+' and '-'; Perhaps with other numerals of circle; Note positive and negative terminal during wiring, during the master control electrical work, can periodically be discharged with the charging voltage of itself and the capacitor C 1 that connects.
When pressing startup button AN1, power supply is through starting button AN1, resistance R 6; The control utmost point of controllable silicon VS2 gets electric, controllable silicon VS2 conducting, relay adhesive; The output conducting, circuit start, system power supply is delayed time to capacitor C 1 charging through resistance R 1; In capacitor C 2 charging time-delay voltage elevation process,, the master control electrical equipment of output terminal gets into normal operating conditions if starting
Intermittently conducting of optocoupler output terminal CK1 that the electron watt-hour meter count pulse is used to test and CK2; The charging voltage of capacitor C 1 periodically discharges; Make the triggering input end current potential of delay circuit IC1 be in below 2/3rds of system power supply voltage, the output terminal of delay circuit IC1 is a noble potential, controllable silicon VS1 conducting; The relay adhesive, power connection.
When the electrical appliance of master control output terminal is not activated or the standby of shutting down quits work; The electrical equipment electric power of master control output terminal is during less than setting value; Intermittently ON time is elongated for the optocoupler output terminal CK1 that the electron watt-hour meter count pulse is used to test and CK2, system power supply through resistance R 1 to capacitor C 1 charging time-delay, the triggering input terminal voltage of delay circuit IC1 surpass the delay circuit supply voltage 2/3rds after; The output terminal of delay circuit IC1 is an electronegative potential; Controllable silicon VS1 ends, and relay discharges, and power supply all turn-offs.
Capacitor C 1, resistance R 1 are the adjustment element of delay time; When making master control electrical equipment operate as normal; Optocoupler output terminal CK1 that the electron watt-hour meter count pulse is used to test and CK2 ON time at intermittence are less than its delay time; And when master control electrical equipment is not activated or the standby of shutting down quits work, optocoupler output terminal CK1 and CK2 intermittently ON time much larger than its time delayed turn-off time.Behind the power remove, the charging voltage of delay capacitor C1 is released through the interior circuit of delay circuit IC1, prepares for circuit starts once more.
Start: pressing AN1 is the 1-2 time of second, and power connection starts the controlled electrical equipment of master control and gets into normal operating conditions.
Shutdown:
A: turn-off master control electrical equipment, master control electrical equipment quits work, and through electric circuit inspection, cuts off the electricity supply.
B: master control electrical equipment is finished the work, and gets into holding state, through electric circuit inspection, cuts off the electricity supply.
C: behind the electrical equipment entering program shutdown timing shutdown,, cut off the electricity supply through electric circuit inspection.
D: make the master control electric appliance standby with telepilot, after setting the televisor turning device to sleep mode, become holding state,, cut off the electricity supply through electric circuit inspection.
E: press and close button.
High-power electric appliance electricity-saving control device, master control electrical equipment shutdown or work are accomplished and are got into holding state, and output is carried out Energy Saving Control during less than the power set, 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 fit to single electrical equipment or a plurality of relevant electric appliance series use.Utilize the power-measuring circuit of electronic electric energy meter, be fit to the load detection of various performances, accurately reliable, element is few, and cost is low, and is convenient and practical, energy-saving safe, and memorandum saves trouble.