The utility model content:
The purpose of this utility model is at the deficiencies in the prior art, a kind of bidirectional radio energy control circuit is provided, this bidirectional radio energy control circuit and the supporting use of power energy monitoring and controlling operation switching circuit can realize signal transmitted in both directions between bidirectional radio energy control circuit and the power energy monitoring and controlling operation switching circuit and two-way control and Long-distance Control.
For achieving the above object, the utility model is achieved through the following technical solutions: it comprises the bidirectional radio energy control circuit, it comprises microprocessor, power module, display module, key-press module, wireless two-way module, the input of described display module is connected with the output of microprocessor, the output of key-press module is connected with the input of microprocessor, described microprocessor is connected with the wireless two-way module, and the wireless two-way module is used to receive from the current signal of power energy monitoring and controlling operation switching circuit or transmits control signal to the power energy monitoring and controlling operation switching circuit; The output of described power module is connected with the power input of microprocessor, display module, key-press module, wireless two-way module respectively, is used to each circuit that power supply is provided.
Described wireless two-way module adopts radio frequency (RF, Radio Frequency) transceiving chip.
The rf chip that described wireless two-way module adopts is IA4421.
Further comprise the clock/calendar module, the clock/calendar module is connected with microprocessor, is used to be provided with clock and calendar.
Described power module comprises power supply input circuit, voltage stabilizing circuit, the input of power supply input circuit is connected with external power supply, the output of power supply input circuit is connected with the input of voltage stabilizing circuit, the output of voltage stabilizing circuit is connected with the power input of microprocessor, display module, key-press module, wireless two-way module, clock/calendar module respectively, is used to each circuit that power supply is provided.
The utility model beneficial effect is: the wireless two-way module of bidirectional radio energy control circuit described in the utility model can receive the current signal from the power energy monitoring and controlling operation switching circuit, this current signal sends display module to by microprocessor, and export external display screen to, thereby show the electrical energy parameters such as power, power consumption and real-time time of electrical equipment by display module; The wireless two-way module also can send the control signal of microprocessor output, with control power energy monitoring and controlling operation switching circuit, thus the power supply of cut-out or connection electrical equipment; The utility model can be realized signal transmitted in both directions between bidirectional radio energy control circuit and the power energy monitoring and controlling operation switching circuit and two-way control and Long-distance Control, it can monitor the electricity consumption situation of many electrical equipment by key-press module, and can control the power energy monitoring and controlling operation switching circuit according to the button in the electricity consumption situation operation push-button module, to cut off or to connect the power supply of electrical equipment, play the effect of reminding economize on electricity and rational utilization of electricity.
Embodiment:
Below in conjunction with accompanying drawing the utility model is further described: please refer to Fig. 1, the bidirectional radio energy control circuit, this bidirectional radio energy control circuit and the supporting use of power energy monitoring and controlling operation switching circuit, it comprises microprocessor 1, power module 2, display module 3, key-press module 4, wireless two-way module 6, the input of described display module 3 is connected with the output of microprocessor 1, make microprocessor 1 to drive external display screen, to show the electrical energy parameters such as power, power consumption and real-time time of electrical equipment by display module 3; The output of key-press module 4 is connected with the input of microprocessor 1, makes the operator can pass through key-press module 4 input control signals, and by microprocessor 1 control signal is exported to display module 3, key-press module 4, wireless two-way module 6; Because the wireless two-way module 6 of present embodiment is supporting with the power energy monitoring and controlling operation switching circuit, so wireless two-way module 6 can receive from the current signal of power energy monitoring and controlling operation switching circuit or transmit control signal to the power energy monitoring and controlling operation switching circuit, and described microprocessor 1 is connected with wireless two-way module 6, therefore, microprocessor 1 can receive from the current signal of power energy monitoring and controlling operation switching circuit or transmits control signal to the power energy monitoring and controlling operation switching circuit by wireless two-way module 6.
The utility model further comprises clock/calendar module 5, and clock/calendar module 5 is connected with microprocessor 1, is used to be provided with clock and calendar; The output of described power module 2 is connected with the power input of microprocessor 1, display module 3, key-press module 4, wireless two-way module 6, clock/calendar module 5 respectively; Wherein, power module 2 comprises power supply input circuit 21, voltage stabilizing circuit 22, the input of power supply input circuit 21 is connected with external power supply, the output of power supply input circuit 21 is connected with the input of voltage stabilizing circuit 22, the output of voltage stabilizing circuit 22 is connected with the power input of microprocessor 1, display module 3, key-press module 4, wireless two-way module 6, clock/calendar module 5 respectively, is used to each circuit that power supply is provided.
The utility model is when work, when wireless two-way module 6 receives current signal from the power energy monitoring and controlling operation switching circuit, this current signal is input to microprocessor 1, through after the processing of microprocessor 1, send display module 3 again to, and export external display screen to, thereby show the electrical energy parameters such as power, power consumption and real-time time of electrical equipment by display module 3; When the operator passes through key-press module 4 input control signals, this control signal is input to microprocessor 1, through after the processing of microprocessor 1, send wireless two-way module 6 again to, and send to the power energy monitoring and controlling operation switching circuit by wireless two-way module 6, with control power energy monitoring and controlling operation switching circuit, thus the power supply of cut-out or connection electrical equipment.Therefore, the utility model can be realized signal transmitted in both directions between bidirectional radio energy control circuit and the power energy monitoring and controlling operation switching circuit and two-way control and Long-distance Control, it can be by the electricity consumption situation of many electrical equipment of key-press module 4 monitoring, and can control the power energy monitoring and controlling operation switching circuit according to the button in the electricity consumption situation operation push-button module 4, to cut off or to connect the power supply of electrical equipment, play the effect of reminding economize on electricity and rational utilization of electricity.
Please refer to Fig. 2 to Fig. 5, be physical circuit figure of the present utility model.Wireless two-way module 6 of the present utility model is made up of rf chip U1, crystal oscillator Y1, antenna J1, capacitor C 1, C2, C4, C5 and inductance L 1, L2, L3, the model of described rf chip U1 is IA4421, the characteristics of this chip be peripheral components seldom, possess automatic frequency control, can guarantee that transceiver adjusts to the frequency of input signal automatically, it is operated in the 433/868/915MHz frequency range that need not to apply for the registration of.The end of Y1 is connected other end ground connection with the 9th pin of U1 in the described wireless two-way module 6; The end of C5 is connected other end ground connection with the 15th pin of U1; L1 is connected between the 12nd pin and the 13rd pin of U1, the end of C1 is connected with the 13rd pin of U1 between the 12nd pin that L2 is connected U1 and the 14th pin, the end of other end ground connection C4 is connected with the 12nd pin of U1, the other end is connected with the end of L3, and being connected the end of C2 with the 13rd pin of U1, the other end of L3 is connected with the intersection point of L3 and C4, the other end is connected U1 with J1 the 11st pin is a grounding leg, be connected with ground, the 14th pin of U1 is a supply pin, be connected with the output of power module 2, and the 1st~8,10,16 pin of U1 all are connected with microprocessor 1.Wherein, antenna J1 can receive the signal from the power energy monitoring and controlling operation switching circuit, and is input among the rf chip U1, exports to microprocessor 1 by rf chip U1 again; When microprocessor 1 output control signal is given rf chip U1, rf chip U1 the control signal encoding process after, export to antenna J1 again, antenna J1 can send to control signal the power energy monitoring and controlling operation switching circuit.
Clock/calendar module 5 of the present utility model is made up of clock chip U5, crystal oscillator Y2, reserve battery BT1, resistance R 1, R2, R3, capacitor C 17, C20 and diode D1, D21, Y2 is connected between the 1st pin and the 2nd pin of U5, C17 is connected between the 1st pin and the 4th pin of U5, the 4th pin ground connection of U5; The end of R2 is connected with the 6th pin of U5 (SCL pin), another termination power (VCC), and the end of R3 is connected another termination power with the 5th pin of U5 (SDA pin); The end of C20 is connected with the 8th pin of U5, other end ground connection, the negative pole of D1 is connected with the 8th pin of U5, positive pole is connected with power supply, the negative pole of D21 is connected with the 8th pin of U5, and positive pole is connected with the positive pole of BT1, and the end of R1 is connected with the 8th pin of U5, the other end is connected with the positive pole of BT1, the minus earth of BT1; The 3rd pin (INT) of U5 is connected with microprocessor 1.Owing to be provided with reserve battery BT1, when the power input of clock calendaring module 5 did not have the power supply input, described reserve battery BT1 can keep clock/calendar module 5 operate as normal.
Power module 2 of the present utility model comprises power supply input circuit 21, voltage stabilizing circuit 22, power supply input circuit 21 is made up of supply socket J3, capacitor C 13, C18, capacitor C 13, C18 all are connected in parallel between the 1st pin and the 2nd pin of supply socket J3, the 2nd pin ground connection of J3; Voltage stabilizing circuit 22 is made up of power supply voltage stabilizing chip U2, capacitor C 14, C19, the 1st pin of U2 is connected with the 1st pin of supply socket J3, the 2nd pin ground connection of U2, capacitor C 14, C19 all are connected in parallel between the 2nd pin and the 3rd pin of U2, the 3rd pin of U2 is the output of power module 2, is used to each circuit that power supply is provided.
The above only is preferred embodiment of the present utility model, so all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, is included in the utility model patent claim.