CN208506548U - A kind of low standby power loss circuit and microwave induction controller - Google Patents
A kind of low standby power loss circuit and microwave induction controller Download PDFInfo
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- CN208506548U CN208506548U CN201821000317.5U CN201821000317U CN208506548U CN 208506548 U CN208506548 U CN 208506548U CN 201821000317 U CN201821000317 U CN 201821000317U CN 208506548 U CN208506548 U CN 208506548U
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Abstract
The utility model provides a kind of low standby power loss circuit and microwave induction controller, it is characterized by comprising capacitance-resistance voltage reduction circuit, current rectifying and wave filtering circuit, execution circuit and governor circuits, it further include main circuit power supply circuit and execution circuit power supply circuit, capacitance-resistance voltage reduction circuit is connected on an input terminal of current rectifying and wave filtering circuit, main circuit power supply circuit is connected to the both ends of current rectifying and wave filtering circuit output after connecting with execution circuit power supply circuit, a controllable standby switches are parallel on execution circuit power supply circuit, the control terminal of controllable standby switches is connected with governor circuit.Using capacitance-resistance voltage reduction circuit, maximum operating currenbt can be limited, can reach the effect for reducing power consumption；The circuit for maintaining power supply will be needed individually to be powered in the standby state simultaneously, it can be achieved in stand-by mode by the lower power consumption of execution circuit part to minimum, use and select as far as possible simultaneously low-voltage circuit to further decrease power consumption, the purpose of realization microwave induction controller low standby power loss.
Description
Technical field
The utility model relates to intelligent controlling device field, in particular to a kind of low standby power loss circuit and microwave induced control
Device processed.
Background technique
Electronic equipment, generally all can be according to different application needs, by electronics in order to reduce its power consumption on the whole
Device definition 2 or more modes carry out control circuit and module as few as possible are maintained to work normally to meet needs, stop working as
The work of the unwanted module of premode, to achieve the purpose that reduce current power consumption.Mode the most typical is standby mode, such as
Intelligent illuminating system, most of the time system is all in standby mode, therefore the power consumption under standby mode is for total system
Power consumption is particularly important.
Utility model content
For disadvantages described above, the utility model aim is how to reduce the Overall Power Consumption of microwave sensor, especially to
Machine power consumption.
In order to solve problem above, the utility model proposes a kind of low standby power loss circuits, it is characterised in that including resistance
Hold reduction voltage circuit, current rectifying and wave filtering circuit, execution circuit and governor circuit, further includes main circuit power supply circuit and execution circuit power supply
Circuit, the capacitance-resistance voltage reduction circuit are connected on an input terminal of current rectifying and wave filtering circuit, the main circuit power supply circuit with hold
It is connected to the both ends of current rectifying and wave filtering circuit output after the series connection of row circuit power supply circuit, is parallel on the execution circuit power supply circuit
The control terminal of one controllable standby switches, the controllable standby switches is connected with governor circuit.
The low standby power loss circuit, it is characterised in that the main circuit power supply circuit is the first zener diode and filter
Wave capacitor, the execution circuit power supply circuit are the second zener diode and filter capacitor；First zener diode and
The series connection of two zener diodes.
The low standby power loss circuit, it is characterised in that pressure stabilizing decompression electricity is additionally provided on the main circuit power supply circuit
The input terminal on road, the pressure stabilizing reduction voltage circuit is connected with the tie point between the first zener diode and the second zener diode
It connects.
The low standby power loss circuit, it is characterised in that the capacitance-resistance voltage reduction circuit includes resistance R1 and capacitor C1, electricity
Hinder R1 and capacitor C1 series connection.
The low standby power loss circuit, it is characterised in that the governor circuit includes sensing module, signal amplification module
And the standby control signal control output end of MCU, the MCU are connected with the control terminal of controllable standby switches, the MCU's holds
Row control signal output is connected with the control terminal of load control switch.
The low standby power loss circuit, it is characterised in that the output voltage of the pressure stabilizing reduction voltage circuit be 3.3V~
1.0V。
A kind of microwave induction controller, it is characterised in that including microwave signal transceiver module, luminosity sampling module, capacitance-resistance drop
Volt circuit, current rectifying and wave filtering circuit, execution circuit and MCU, further include main circuit power supply circuit and execution circuit power supply circuit, described
Capacitance-resistance voltage reduction circuit is connected on an input terminal of current rectifying and wave filtering circuit, and the main circuit power supply circuit and execution circuit are powered
It is connected to the both ends of current rectifying and wave filtering circuit output after circuit series connection, it is controllable standby that one is parallel on the execution circuit power supply circuit
Switch, the control terminal of the controllable standby switches are connected with MCU.
The microwave induction controller, it is characterised in that the main circuit power supply circuit is the first zener diode and filter
Wave capacitor, the execution circuit power supply circuit are the second zener diode and filter capacitor；First zener diode and
The series connection of two zener diodes.
The microwave induction controller, it is characterised in that pressure stabilizing decompression electricity is also provided on the main circuit power supply circuit
The input terminal on road, the pressure stabilizing reduction voltage circuit is connected with the tie point between the first zener diode and the second zener diode
It connects.
The microwave induction controller, it is characterised in that the capacitance-resistance voltage reduction circuit includes resistance R1 and capacitor C1, electricity
Hinder R1 and capacitor C1 series connection；Governor circuit includes sensing module, signal amplification module and MCU, the standby control signal of the MCU
Control output end is connected with the control terminal of controllable standby switches, and the execution control signal output of the MCU and load control
The control terminal of switch is connected.
The utility model implement the utility model has the advantages that bulk supply circuit use capacitance-resistance voltage reduction circuit, maximum functional can be limited
Electric current can reach the effect for reducing power consumption；Simultaneously by nothing under the circuit and standby mode that need to maintain power supply in the standby state
The execution circuit that need to be powered individually is powered, it can be achieved that in stand-by mode by the lower power consumption of execution circuit part to most
It is low, at the same as far as possible using and select low-voltage circuit to further decrease power consumption, various ways develop simultaneously, realize microwave induced control
The purpose of device low standby power loss.
Detailed description of the invention
Fig. 1 is the system block diagram of low standby power loss circuit；
Fig. 2 is a specific embodiment circuit diagram of low standby power loss circuit.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1 is the system block diagram of low standby power loss circuit, including capacitance-resistance voltage reduction circuit 1, current rectifying and wave filtering circuit 2, main circuit
Power supply circuit 4, execution circuit power supply circuit 3, sensing module 6, signal amplification module 8, execution circuit 7, MCU9 and controllable standby
Switch 5, main circuit power supply circuit are connected to the both ends of current rectifying and wave filtering circuit output after connecting with execution circuit power supply circuit, execute
Circuit 7 provides working power by execution circuit power supply circuit, and sensing module 6, signal amplification module 8 and MCU constitute governor circuit,
Main circuit power supply circuit provides working power for governor circuit.Controllable standby switches 5 are in parallel with execution circuit 7, and MCU output is controllable
The control signal of standby switches 5.AC power source is inputted from AC input mouth, through capacitance-resistance voltage reduction circuit 1, current rectifying and wave filtering circuit 2, then is divided
Two-way, respectively main circuit power supply circuit 4 and execution circuit power supply circuit 3, duplex feeding circuit are powered respectively, and execution circuit supplies
The operating current that circuit 3 provides execution circuit 7 is closed relay, and main circuit power supply circuit 4 is sensing module 6, signal is put
Supply current and supply current when normal mode of operation when big 8 and MCU 9 provides standby mode, execution circuit power supply circuit 3 with
Main circuit power supply circuit 4 is cascaded structure, when sensing module 6 detects inductive signal, when judgement has physical activity, is needed out
Open load.MCU 9 exports low level, controls controllable standby switches 5 and ends, and execution circuit 7 works, control relay closure, such as
Fruit load is lamps and lanterns, then controls lamps and lanterns and open illumination；When inductive signal disappearance, MCU 9 after progress delay time appropriate is controlled
High level is exported, controllable standby switches 5 is controlled and is connected, execution circuit 7 is short-circuited no current and flows through, and relay disconnects, inductor
Into standby mode, execution circuit 7 does not consume power at this time, to reach the requirement of low standby power loss.Due to the main electricity of this circuit
Road power supply circuit 4 and execution circuit power supply circuit 3 are cascaded structure, and the electric current selection of execution circuit 7 is less than or is equal to main electricity
The supply current of road power supply circuit 4, the supply current equal to main circuit power supply circuit 4 are best；Main circuit power supply circuit 4 exports
Voltage is set smaller than or is equal to 3.3V, and suitable voltage can be selected according to the device of selection, such as: 3.3V, 3V, 2.8V,
2.5V, 1.8V or 1.2V, while input voltage also accordingly reduces, thus the resistance to pressure request of the component for reducing input terminal, both more
High meets Energy Efficiency Standard and power consumption requirements, and reduces material cost.Controllable standby switches 5 can be triode, metal-oxide-semiconductor or
Other switching devices.
Fig. 2 is a specific embodiment circuit diagram of low standby power loss circuit, and power supply AC input, capacitor C1 is in AC signal frequency
The capacitive reactance generated under rate limits maximum operating currenbt, and resistance R1 limits the current stress that peak point current reduces capacitor C1, thus
Extend the service life of capacitor；It is rectified through D1-D4, Z1 pressure stabilizing, C2 filtering provides power supply for relay；Z2 connects with Z1, and C2 and C3 go here and there
Connection, Z2 pressure stabilizing, C3 filter the input for meeting three-terminal voltage-stabilizing Q5, and the output 3.3V of three-terminal voltage-stabilizing Q5 is filtered through C5 to sensing module, letter
Number amplification, MCU provide standby power electric current, MCU export two path control signal, when detecting inductive signal, mono- road MCU is defeated
Base stage of the low level to triode Q1 out, triode Q1 cut-off, after triode Q2 cut-off, the another road MCU exports high level triode
The base stage of Q4, triode Q4 conducting, triode Q3 conducting, relay closure；When inductive signal disappears, after delay time,
Mono- tunnel MCU exports low level to the base stage of triode Q4, and triode Q4 cut-off, after triode Q3 cut-off, the another road MCU exports high electricity
The base stage of flat triode Q1, triode Q1 conducting, triode Q2 conducting, Z1 voltage-stabiliser tube are short-circuited, and such relay does not consume electricity
Stream, relay disconnect；Q1 is first all in all disconnected before relay closure, Q2, relay first disconnects Q3, Q4 before disconnecting, to protect
Shield triode Q2 will not be damaged by surge impact.
Above disclosed is only a kind of the utility model embodiment, cannot limit the utility model certainly with this
Interest field, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and according to this reality
The equivalent variations made by novel claim, still falls within the scope of the utility model.
Claims (10)
1. a kind of low standby power loss circuit, it is characterised in that including capacitance-resistance voltage reduction circuit, current rectifying and wave filtering circuit, execution circuit and master
Circuit is controlled, further includes main circuit power supply circuit and execution circuit power supply circuit, the capacitance-resistance voltage reduction circuit is connected on rectifying and wave-filtering
On one input terminal of circuit, the main circuit power supply circuit is connected to rectifying and wave-filtering electricity after connecting with execution circuit power supply circuit
The both ends of road output, are parallel with a controllable standby switches, the control of the controllable standby switches on the execution circuit power supply circuit
End processed is connected with governor circuit.
2. low standby power loss circuit according to claim 1, it is characterised in that the main circuit power supply circuit is first steady
Diode and filter capacitor are pressed, the execution circuit power supply circuit is the second zener diode and filter capacitor；Described first is steady
Pressure diode is connected with the second zener diode.
3. low standby power loss circuit according to claim 2, it is characterised in that be additionally provided on the main circuit power supply circuit
Pressure stabilizing reduction voltage circuit, the company between the input terminal and the first zener diode and the second zener diode of the pressure stabilizing reduction voltage circuit
Contact is connected.
4. low standby power loss circuit according to claim 3, it is characterised in that the capacitance-resistance voltage reduction circuit includes resistance R1
It connects with capacitor C1, resistance R1 and capacitor C1.
5. low standby power loss circuit according to claim 4, it is characterised in that the governor circuit includes sensing module, letter
Number amplification module and MCU, the standby control signal control output end of the MCU are connected with the control terminal of controllable standby switches,
The execution control signal output of the MCU is connected with the control terminal of load control switch.
6. low standby power loss circuit according to claim 5, it is characterised in that the output voltage of the pressure stabilizing reduction voltage circuit
For 3.3V~1.0V.
7. a kind of microwave induction controller, it is characterised in that including microwave signal transceiver module, luminosity sampling module, resistance-capacitance depressurization
Circuit, current rectifying and wave filtering circuit, execution circuit and MCU further include main circuit power supply circuit and execution circuit power supply circuit, the resistance
Hold reduction voltage circuit to be connected on an input terminal of current rectifying and wave filtering circuit, the main circuit power supply circuit and execution circuit power supply electricity
It is connected to the both ends of current rectifying and wave filtering circuit output after the series connection of road, one is parallel on the execution circuit power supply circuit and controllable standby is opened
It closes, the control terminal of the controllable standby switches is connected with MCU.
8. microwave induction controller according to claim 7, it is characterised in that the main circuit power supply circuit is first steady
Diode and filter capacitor are pressed, the execution circuit power supply circuit is the second zener diode and filter capacitor；Described first is steady
Pressure diode is connected with the second zener diode.
9. microwave induction controller according to claim 8, it is characterised in that still set on the main circuit power supply circuit
There is pressure stabilizing reduction voltage circuit, between the input terminal and the first zener diode and the second zener diode of the pressure stabilizing reduction voltage circuit
Tie point is connected.
10. microwave induction controller according to claim 9, it is characterised in that the capacitance-resistance voltage reduction circuit includes resistance R1
It connects with capacitor C1, resistance R1 and capacitor C1；Governor circuit includes sensing module, signal amplification module and MCU, the MCU's
Standby control signal control output end is connected with the control terminal of controllable standby switches, the execution control signal output of the MCU
End is connected with the control terminal of load control switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821000317.5U CN208506548U (en) | 2018-06-27 | 2018-06-27 | A kind of low standby power loss circuit and microwave induction controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821000317.5U CN208506548U (en) | 2018-06-27 | 2018-06-27 | A kind of low standby power loss circuit and microwave induction controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208506548U true CN208506548U (en) | 2019-02-15 |
Family
ID=65281310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821000317.5U Active CN208506548U (en) | 2018-06-27 | 2018-06-27 | A kind of low standby power loss circuit and microwave induction controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208506548U (en) |
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2018
- 2018-06-27 CN CN201821000317.5U patent/CN208506548U/en active Active
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