A kind of energy-saving control circuit
Technical field:
The present invention relates to a kind of Novel energy-saving control circuit, be specially adapted to the energy-saving circuit in household electrical appliance.Belong to the innovative technology of electronic information application.
Background technology:
Along with improving constantly of the income of residents, household electrical appliance have become the essential product of people's life, and bring great convenience to people's life.And the use of a large amount of household electrical appliances, the energy of its standby consumption is also increasing, and the electric energy of annual waste is just up to 1,500,000,000 kilowatt hours.Therefore, energy-conservation the having a high potential of China's household electrical appliances, the Energy Saving Control of household electrical appliance is imperative.
At present, that generally use in our white domestic appliances or resistance-capacitance depressurization or transformer supply power mode, the household electrical appliance stand-by power consumption of these two kinds of power work modes is all larger, and in a lot of family, household electrical appliance long-term work used in everyday in the standby state, so just wastes a lot of energy.And because the voltage fluctuation of China's electrical network is larger, current household appliances all do not arrange high-low pressure defencive function substantially.Therefore, when larger fluctuation appears in voltage, household electrical appliance are easy to occur damaged condition.
Summary of the invention:
Object of the present invention: be the problem in order to solve the excessive and high-low pressure wave protection of the above-mentioned stand-by power consumption of household electrical appliance in the family, a kind of Novel energy-saving control circuit is provided.
Object of the present invention can reach by taking following technical scheme:
A kind of Novel energy-saving control circuit, its design feature is:
1) current rectifying and wave filtering circuit, Switching Power Supply translation circuit, voltage detecting treatment circuit, load control circuit, current detecting treatment circuit, radio remote control circuit and main control unit MCU is comprised;
2) input of current rectifying and wave filtering circuit connects AC power, the input of its output difference connecting valve power converting circuit and voltage detecting treatment circuit; The output of Switching Power Supply translation circuit connects the power input of main control unit MCU, the output of voltage detecting treatment circuit, current detecting treatment circuit connects voltage signal inputs, the current signal input of main control unit MCU respectively, the signal output part of radio remote control circuit connects the control signal input of main control unit MCU, the control signal output of main control unit MCU connects the input of load control circuit, and the feedback output end of load control circuit connects the input of current detecting treatment circuit.
Object of the present invention can also reach by taking following technical scheme:
A kind of embodiment of the present invention is: current rectifying and wave filtering circuit is formed by connecting by input terminal J1, J3, protective tube F1, voltage-stabiliser tube ZNR1, electric capacity C1 and diode D3, D4.
A kind of embodiment of the present invention is: voltage detecting treatment circuit is formed by connecting by resistance R4 ~ R7, diode D9 ~ D10 and electrochemical capacitor EC4.
A kind of embodiment of the present invention is: Switching Power Supply translation circuit is the BUCK circuit of a non-isolated, is formed by connecting by voltage conversion chip PSU1, diode D1 and D5 ~ D6, electrochemical capacitor EC1 ~ EC3 and EC5, electric capacity C2 and C10 ~ C11, inductance T1 and L1, voltage-stabiliser tube two pole ZD1 and voltage stabilizing chip U1.
A kind of embodiment of the present invention is: load control circuit is formed by connecting by triode Q1, diode D16, relay R EL1, resistance R14 and socket.
A kind of embodiment of the present invention is: current detecting treatment circuit is formed by connecting by resistance R8, constantan wire R10 and R15 ~ R16, diode D2, two voltage stabilizing didoe ZD2, electric capacity C9 and C12 and amplification chip IC3A.
A kind of embodiment of the present invention is: radio remote control circuit is made up of wireless receiving chip IC 1; Wireless receiving chip IC 1 accepts wireless signal, the I/O port outputing signal main control unit MCU realizes Long-distance Control, wherein the 9th pin ground connection of IC1, the 18th pin meet voltage VDD, the 15th of IC1, the Indirect Electro group R1 of 16 pin, 14th pin accepts wireless signal, and the 13rd pin outputs signal the I/O port of main control unit MCU.
A kind of embodiment of the present invention is: main control unit MCU is formed by connecting by the singlechip chip MCU1 of 8Pin and peripheral electron element thereof.
Beneficial effect of the present invention:
1, the present invention is a kind of method of Intelligent Measurement electric energy, normally works, exceed power bracket breaking circuit in 5-2500W power bracket.It has simple and reliable, the easy realization of circuit, the rational feature of cost.
2, the present invention is by the check processing to AC-input voltage, electric current, the switch of control load, and protection load normally works in certain power bracket; By the detection to input voltage, when voltage ripple of power network, output loading can be cut off, or by the detection to input voltage, switching off load time too low at input voltage, too high, protection household electrical appliance and other power consumption equipments; There is safe and reliable effect.
3, the present invention can open load switch in real time by wireless remote control, has effect easy to use.
Accompanying drawing illustrates:
Fig. 1 is circuit structure block diagram of the present invention.
Fig. 2 is current rectifying and wave filtering circuit schematic diagram.
Fig. 3 is voltage detecting treatment circuit schematic diagram.
Fig. 4 is Switching Power Supply translation circuit schematic diagram.
Fig. 5 is load control circuit schematic diagram.
Fig. 6 is current detecting treatment circuit schematic diagram.
Fig. 7 is radio remote control circuit schematic diagram.
Fig. 8 is main control unit circuit theory diagrams.
Accompanying drawing illustrates:
Specific embodiment 1:
With reference to Fig. 1, the present embodiment comprises current rectifying and wave filtering circuit 1, Switching Power Supply translation circuit 2, voltage detecting treatment circuit 3, load control circuit 4 current detecting treatment circuit 5, radio remote control circuit 6 and main control unit MCU; The input of current rectifying and wave filtering circuit 1 connects AC power, the input of its output difference connecting valve power converting circuit 2 and voltage detecting treatment circuit 3; The output of Switching Power Supply translation circuit 2 connects the power input of main control unit MCU, the output of voltage detecting treatment circuit 3, current detecting treatment circuit 5 connects voltage signal inputs, the current signal input of main control unit MCU respectively, the signal output part of radio remote control circuit 6 connects the control signal input of main control unit MCU, the control signal output of main control unit MCU connects the input of load control circuit 4, and the feedback output end of load control circuit 4 connects the input of current detecting treatment circuit 5.
Switching Power Supply translation circuit 2 out-put supply is powered to main control unit MCU through three-terminal voltage-stabilizing IC output voltage, main control unit MCU computing is sent after the 3 pairs of voltage signal process of voltage detecting treatment circuit, main control unit output signal control load control circuit module, current detecting processing module detects the operating current of load, send main control unit computing, wireless remote control input signal controls open-minded to load.
With reference to Fig. 2, a kind of embodiment of the present invention is: current rectifying and wave filtering circuit 1 is formed by connecting by input terminal J1, J3, protective tube F1, voltage-stabiliser tube ZNR1, electric capacity C1 and diode D3, D4.Diode D3, D4 differential concatenation, voltage-stabiliser tube ZNR1 is in parallel with electric capacity C1; Described and joint group is connected across between alternating current L, N pole, protective tube F1 is connected across alternating current L and described and between joint group, diode D3 positive pole with and the junction of joint group forms V change voltage output end, form V check voltage output end at the negative pole of diode D3 and the negative pole junction of diode D4.
AC power is input to current rectifying and wave filtering circuit, connecting valve power converting circuit and voltage detecting treatment circuit respectively, Switching Power Supply translation circuit out-put supply is powered to MCU through three-terminal voltage-stabilizing IC output voltage, voltage detecting process send MCU computing to after voltage signal process, main control unit output signal control load control circuit module, current detecting processing module detects the operating current of load, send main control unit computing, and it is open-minded that wireless remote control input signal controls load.
With reference to Fig. 3, voltage detecting treatment circuit 3 is formed by connecting by resistance R4 ~ R7, diode D9 ~ D10 and electrochemical capacitor EC4.Connect the voltage output end of current rectifying and wave filtering circuit (1) after one end of R4 is connected with R5, the R4 other end is connected to ground; The R5 other end connects the positive pole of diode D9, the negative pole of diode D9 connects the negative pole of diode D10, the positive pole of diode D10 connects voltage VDD, between the positive pole being connected across diode D9 after electrochemical capacitor EC4 is in parallel with resistance R7 and ground, and the positive pole output voltage V-AD of diode D9.
With reference to Fig. 4, Switching Power Supply translation circuit 2 is BUCK circuit of a non-isolated, is formed by connecting by voltage conversion chip PSU1, diode D1 and D5 ~ D6, electrochemical capacitor EC1 ~ EC3 and EC5, electric capacity C2 and C10 ~ C11, inductance T1 and L1, voltage-stabiliser tube two pole ZD1 and voltage stabilizing chip U1.AC power one end inputs after protective tube F1, connect the positive pole of diode D1, D1 negative pole connects 5 of chip PSU1, 6, 7, the positive pole of 8 pin and electrochemical capacitor EC1, the 1st of voltage conversion chip PSU1 (Viper12), 2 pin are connected to diode D5 negative pole, C11 one end, electrochemical capacitor EC2 negative pole, one end of inductance T1, 3rd pin of low voltage chip PSU1 is connected to the other end of C11, the positive pole of voltage-stabiliser tube ZD1, 4th pin of low voltage chip PSU1 and the negative pole of ZD1, the positive pole of EC2, the negative pole of D6 is connected, D6 positive pole and the T1 other end, one end of inductance L 1 is connected, the L1 other end and electrochemical capacitor EC3 positive pole, electric capacity C2 one end, Vin end (Pin 1) of U1, output voltage Vin (12V) is connected.2nd pin of U1 and EC1 negative pole, EC3 negative pole, the C2 other end, EC5 negative pole, the C10 other end are connected to ground; 3 pin of U1 are connected with EC5 positive pole, C10 one end.
With reference to Fig. 5, load control circuit 4 is formed by connecting by triode Q1, diode D16, relay R EL1, resistance R14 and socket.Export Relay by main control unit MCU and be connected to R14 one end, the R14 other end is connected with the base stage of triode Q1, the emitter of Q1 is connected to ground, the collector electrode of Q1 connects coil one end of diode D16 positive pole, relay R EL1, the D16 other end and another termination Vin voltage of REL1 coil, relay switch one termination alternating current L holds, one end is connected to load, and the load other end is received alternating current N and held.
With reference to Fig. 6, current detecting treatment circuit 5 is formed by connecting by resistance R8, constantan wire R10 and R15 ~ R16, diode D2, two voltage stabilizing didoe ZD2, electric capacity C9 and C12 and amplification chip IC3A.Input and load and alternating current N hold, constantan wire resistance R10, diode D2 positive pole is connected, the R10 other end and electric capacity C4 one end are connected to ground, the C4 other end is connected with D2 negative pole and is input to 3 pin of IC3A, 2 pin of IC3A and resistance R8 one end, diode ZD2 negative pole is connected, the R8 other end is connected to ground, ZD2 positive pole and R15 one end, C10 one end is connected, R15, the C9 other end is connected to 1 pin of IC3A, resistance R16 one end, voltage-stabiliser tube ZD2 negative pole is connected, ZD2 positive pole, 4 pin of IC3A are connected to ground, 8 pin of IC3A connect vdd voltage (5V), the R16 other end is connected to through electric capacity C12 the AD mouth that ground filtering is input to MCU.
With reference to Fig. 7, radio remote control circuit 6 is made up of wireless receiving chip IC 1; Wireless receiving chip IC 1 accepts wireless signal, the I/O port outputing signal main control unit MCU realizes Long-distance Control, wherein the 9th pin ground connection of IC1, the 18th pin meet voltage VDD (5V), the 15th of IC1, the Indirect Electro group R1 of 16 pin, 14th pin accepts wireless signal, and the 13rd pin outputs signal the I/O port of main control unit MCU.
Be formed by connecting by the singlechip chip MCU1 of 8Pin and peripheral electron element thereof with reference to Fig. 8, main control unit MCU.Wherein the 1st pin ground connection of MCU1, the 8th pin connect VDD (5V) voltage, 1st, the indirect electric capacity C5 filtering of 8 pin, 2nd, 3 pin meet 3 pin ceramic resonator X1,4th pin connects pull-up resistor R9, wireless input signal, another termination VDD of R9 (5V), 5th pin of MCU1 exports Relay signal controlling load control circuit, 6th pin connects current detection signal, resistance R13 one end, R13 other end sending and receiving light LED1 positive pole, LED1 negative pole and button K1 ground connection, the 7th pin meets voltage detection signal, resistance R12 one end, another termination button of R12 K1.
The above; be only the utility model preferably specific embodiment; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the scope that the utility model discloses; be equal to according to the technical solution of the utility model and utility model design thereof and replace or change, all belonged to protection range of the present utility model.