CN202373812U

CN202373812U - Energy-saving and consumption-reducing power socket

Info

Publication number: CN202373812U
Application number: CN2011205490583U
Authority: CN
Inventors: 陈清尧
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-12-26
Filing date: 2011-12-26
Publication date: 2012-08-08
Anticipated expiration: 2021-12-26

Abstract

The utility model discloses an energy-saving and consumption-reducing power socket. The energy-saving and consumption-reducing power socket is characterized by comprising a power input voltage reducing rectifying circuit, a current detecting circuit, a state decision circuit and a relay drive circuit. The power input voltage reducing rectifying circuit comprises a plug, a microswitch, a step-down transformer, a bridge rectifier, a filter capacitor and a voltage-regulator diode device; the current detecting circuit comprises a voltage sampling resistor, a detector diode, an operational amplifier and a peripheral capacitance-resistant device; the state decision circuit includes a reference voltage sampling resistor, an operational amplifier, a resistor and a diode; and the relay drive circuit is composed of an operational amplifier, a resistor, a triode, a relay and a socket. When the energy-saving and consumption-reducing power socket is used, mains supply of electrical equipment is automatically cut off after 5-minute delay when household appliances enter a stand-by mode, therefore power consumption of the appliances in the stand-by mode is eliminated, electric energy is saved, and the appliances are protected.

Description

Energy-saving and cost-reducing supply socket

Technical field

The utility model relates to electronic equipments, is specifically related to energy-saving and cost-reducing supply socket.

Background technology

Existing household electrical appliance are in holding state average energy wasted work rate about 6W; If being in holding state for a long time, household electrical appliance can bring very big waste of energy; If the drawback that the design of standby power and main power source unification exists security performance to descend again, as the possibility that the electronic product chance is struck by lightning or mains fluctuation causes damaging that is under the "on" position becomes big.

Summary of the invention

The utility model problem to be solved is to above-mentioned technical deficiency; How a kind of energy-saving and cost-reducing supply socket is provided, when household electrical appliance use this socket controller, when household electrical appliance get into holding state; Delay time and just cut off the electrical equipment mains supply after 5 minutes automatically; Eliminate the family appliance standby power consumption, play and save the electric energy purpose, also reduce the possibility that chance thunderbolt or mains fluctuation cause damaging electrical equipment.

The technical problem that utility model proposed is to solve like this, constructs a kind of energy-saving and cost-reducing supply socket, it is characterized in that: comprise current detecting, power supply input step-down rectifier, condition judgement and relay drive circuit; Power supply input step-down rectifying circuit comprises plug, sensitive switch, step-down transformer, Qiao Dui, filter capacitor and voltage stabilizing didoe device; Current detection circuit comprises voltage sampling resistor, detector diode, operational amplifier and peripheral capacitance resistance ware; The condition judgement circuit comprises reference voltage sample resistance device, operational amplifier, resistance and diode; Relay drive circuit comprises operational amplifier, resistance, triode, relay and socket; The in-phase end of condition judgement circuit computing amplifier IC1-A is connected with the centre cap of reference voltage sample resistance device R1, and the end of oppisite phase of operational amplifier IC1-A is connected with diode D6 negative pole end, and output is connected with resistor R 3 one ends; Operational amplifier IC1-B output is connected with triode V1 base stage through resistor R 7, and the collector electrode of triode V1 is connected with relay coil one end, and the emitter of triode V1 connects ground wire; Plug CT is outer to be connected with alternating current 220V city electrical network socket; Plug CT live wire end links to each other with relay K contact one end; The relay K contact other end connects energy-saving and cost-reducing supply socket CZ one pin, and plug CT zero line side is connected with energy-saving and cost-reducing another pin of supply socket CZ through resistance R 12; Attaching plug one end links to each other with the 220V electrical network, and zero line is connected with accessory power outlet one end through resistor R 12, and live wire is connected with the socket other end through relay switch.

The beneficial effect of the utility model is: eliminate the family appliance standby power consumption, play and save the electric energy purpose, also reduce the possibility that chance thunderbolt or mains fluctuation cause damaging electrical equipment simultaneously; Should energy-saving and cost-reducing supply socket adopt the amplifier IC-components, product is small and exquisite, and performance is safe and reliable, and durable in use.

Description of drawings

Accompanying drawing 1 is the circuit structure diagram of the utility model.

Embodiment

Below in conjunction with accompanying drawing the utility model is further described.

Shown in accompanying drawing 1, plug CT inserts on the socket of civil power 220V, Push switch SW; After 220V AC transformer T step-down, bridge heap D1-D4 rectification, capacitor C1, C2 filtering, the voltage stabilizing didoe D0 voltage stabilizing, for control circuit provides 4.2V operating voltage, relay is adhesive at first; The alternating voltage of socket CZ output 220V; After switch SW 6 discharged, the 220V alternating voltage provided power supply for household electrical appliance on the one hand through relay contact; Continue as control circuit on the other hand 4.2V is provided operating voltage, make the relay self-locking.Resistance R 12 is connected between the socket and civil power zero line of electrical appliance, and the electric current of electrical appliance is through resistor R 12, and the voltage drop on the resistor R 12 is as the operating state of reflection electrical appliance; Resistor R 12 values are 0.22 Ω; Can not increase the additive decrementation of electric energy, detector diode D9 adopts the 2AP9 germanium material, constitutes to exchange with resistor R 12 to be connected in parallel; The operating voltage state of detection device; After amplifying through the in-phase end of delivering to amplifier IC1-C with diode D9 resistors in series R9, the end of oppisite phase that is sent to amplifier IC1-A through the diode D6 signal of making comparisons, amplifier IC1-A through reference voltage with detect voltage signal and relatively confirm the electrical appliance operating state.The initial turn-on power supply, because the effect of capacitor C 5, amplifier IC1-B inverting input is a zero level, and output is the 3V high level, and the base stage of triode V1 is a high level, the CE utmost point conducting of triode V1, the contact adhesive of relay, power connection; If electrical appliance is in operating state; Pressure drop reaches more than the 1V after detecting amplification on the resistor R 12, sends into amplifier IC1-A end of oppisite phase and makes comparisons, and amplifier IC1-B output keeps the high level of 3V; The base stage of triode V1 is a high level; The triode CE utmost point is in conducting state, the contact adhesive of relay, and socket CZ goes up and is the electrical appliance power supply; When household electrical appliance were in holding state, resistor R 12 produced pressure drop and is about 5mV, and the detection voltage that detection diode D9 obtains is lower; Through resistor R 9 deliver to amplifier IC1-C end of oppisite phase amplify the back output voltage be lower than 1V and amplifier IC1-A reference voltage relatively after, amplifier IC1-A exports the 3V high level, but owing to the effect of capacitor C 4; The voltage of delivering to the end of oppisite phase of amplifier IC1-B slowly rises, and after the time-delay in about 5 minutes, the voltage of C4 rises to 2.8V; Surpass amplifier IC1-B in-phase end R4,2.8V comparative voltage that the R6 dividing potential drop is stable, amplifier IC1-B output transfers low level to by high level, through resistor R 7 Control current amplifying triode V1; Triode V1 ends, and its contact of relay coil dead electricity discharges, and electric network source is cut off; Socket CZ goes up dead electricity, and the household electrical appliance holding state disappears, and has eliminated the family appliance standby power consumption; Play and save the electric energy purpose, also reduce the possibility that chance thunderbolt or mains fluctuation cause damaging electrical equipment simultaneously.

In the accompanying drawing 1, with the resistor R 11 light-emitting diode D8 that is connected in series be relay indicating light, be used for showing the power supply state of socket CZ, when on the socket CZ civil power being arranged, indicator light D8 is luminous; D5 is the bleed off diode of capacitor C 5; IC1-A, IC1-B, IC1-C are wherein three groups of four high guaily unit integrated circuit LM324.

The utility model also can be made various alternatives; More than through embodiment by accompanying drawing 1 illustrated embodiment; Be that the foregoing of the utility model is done further explain, but should this be interpreted as that the scope of the theme that the utility model is above-mentioned only limits to described instance; Do not breaking away under the above-mentioned technological thought situation of the utility model, various replacements and change according to ordinary skill knowledge and customary means are made all should be included in the scope of the utility model.

Claims

1. energy-saving and cost-reducing supply socket is characterized in that: comprise current detecting, power supply input step-down rectifier, condition judgement and relay drive circuit; Power supply input step-down rectifying circuit comprises plug, sensitive switch, step-down transformer, Qiao Dui, filter capacitor and voltage stabilizing didoe device; Current detection circuit comprises voltage sampling resistor, detector diode, operational amplifier and peripheral capacitance resistance ware; The condition judgement circuit comprises reference voltage sample resistance device, operational amplifier, resistance and diode; Relay drive circuit comprises operational amplifier, resistance, triode, relay and socket; The in-phase end of condition judgement circuit computing amplifier IC1-A is connected with the centre cap of reference voltage sample resistance device R1, and the end of oppisite phase of operational amplifier IC1-A is connected with diode D6 negative pole end, and output is connected with resistor R 3 one ends; Operational amplifier IC1-B output is connected with triode V1 base stage through resistor R 7, and the collector electrode of triode V1 is connected with relay coil one end, and the emitter of triode V1 connects ground wire; Plug CT is outer to be connected with alternating current 220V city electrical network socket; Plug CT live wire end links to each other with relay K contact one end; The relay K contact other end connects energy-saving and cost-reducing supply socket CZ one pin, and plug CT zero line side is connected with energy-saving and cost-reducing another pin of supply socket CZ through resistance R 12; Attaching plug one end links to each other with the 220V electrical network, and zero line is connected with accessory power outlet one end through resistor R 12, and live wire is connected with the socket other end through relay switch.