CN209132606U - A kind of zero-power Household appliance control circuit for realizing power-fail memory function - Google Patents
A kind of zero-power Household appliance control circuit for realizing power-fail memory function Download PDFInfo
- Publication number
- CN209132606U CN209132606U CN201821760363.5U CN201821760363U CN209132606U CN 209132606 U CN209132606 U CN 209132606U CN 201821760363 U CN201821760363 U CN 201821760363U CN 209132606 U CN209132606 U CN 209132606U
- Authority
- CN
- China
- Prior art keywords
- power
- zero
- mcu
- circuit
- control circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of zero-power Household appliance control circuits for realizing power-fail memory function, including RELAY1, mechanical switch K1, controllable switch S1, power supply sample circuit, battery voltage sampling circuit, energy-storage battery, remote-control receiving circuit and MCU, one end of the mechanical switch K1 is connected with external Live line Zero line, and the other end of mechanical switch K1 is connected with controllable switch S1 by conducting wire, an end yoke of the controllable switch S1, which is divided to, two conducting wires, the circuit realizes power-fail memory function while realizing household electrical appliances zero standby power consumption in the utility model, restoring upper task automatically after power failure makes household electrical appliances more intelligent；When standby, battery is only powered to MCU, is greatly reduced power consumption when battery charging, has been saved energy consumption, reduced economic cost；The utility model can be opened automatically and charge, improve the practicality in battery capacity deficiency, and the Household appliance control circuit mentality of designing is clear, convenient for promoting.
Description
Technical field
The utility model relates to Household appliance control circuit field, specifically a kind of zero-power home wiring control for realizing power-fail memory function
Circuit.
Background technique
Science and technology rapid development, household electrical appliance have come into huge numbers of families, and each household electrical appliances are all one not working
Directly remain connected on power grid, even if so when not working also can power consumption, this is exactly stand-by power consumption, although household electrical appliances
Standby consumption very little, but in ten hundreds of families the power consumption of household electrical appliances be it is quite surprising, if there is a kind of household electrical appliances of zero-power
Next record stiver will be saved for family, more country has saved a large amount of resource, and under existing technology, the household electrical appliances overwhelming majority is
There is certain stand-by power consumption, only seldom a part realizes zero-power using a kind of circuit of mechanical switch, still
This circuit will lead to household electrical appliances can not automatically begin to work after power failure, need manpower intervention (no breakpoint memory function), very greatly
Affect user experience.Therefore, those skilled in the art provide a kind of zero-power home wiring control electricity for realizing power-fail memory function
Road, to solve the problems mentioned in the above background technology.
Utility model content
The purpose of this utility model is to provide a kind of zero-power Household appliance control circuits for realizing power-fail memory function, on solving
State the problem of proposing in background technique.
To achieve the above object, the utility model provides the following technical solutions:
A kind of zero-power Household appliance control circuit for realizing power-fail memory function, including RELAY1, mechanical switch K1, controllable switch
S1, power supply sample circuit, battery voltage sampling circuit, energy-storage battery, remote-control receiving circuit and MCU, the mechanical switch K1's
One end is connected with external Live line Zero line, and the other end of mechanical switch K1 is connected with controllable switch S1 by conducting wire, described
An end yoke of controllable switch S1, which is divided to, two conducting wires, and a conducting wire is connected with energy-storage battery, and another conducting wire is connect with MCU,
One end of the energy-storage battery is connected with remote-control receiving circuit, and one end and the power supply sample circuit of the MCU links together.
The K1 is characterized by non-locking mechanical switch as a further solution of the present invention, for doing
Power button；The S1 is characterized in that control circuit of switch of audion or metal-oxide-semiconductor control circuit；The RELAY1 is characterized in that
Relay control.
The battery voltage sampling circuit includes first resistor, pressure stabilizing as a further solution of the present invention,
Diode, first capacitor, divider resistance unit and voltage sample chip, the cathode of the zener diode are connected to energy storage electricity
The negative terminal in pond, the anode of the zener diode are connected to the anode of first capacitor, the cathode connection of the first capacitor
To the negative terminal of energy-storage battery, the first input end and the second input terminal of the divider resistance unit are respectively connected to the first electricity
The both ends of appearance, the output end of the divider resistance unit are connected to voltage sample chip, the partial pressure after being connected to first resistor
Resistance unit obtains the voltage at first capacitor both ends by way of electric resistance partial pressure, and the first resistor is thermistor, has
The PTC thermistor of temperature sensitivity.
The both ends of the energy-storage battery pass through conducting wire respectively and are connected with MCU as a further solution of the present invention,
It connects, an amplification diode is provided in each wire.
The MCU is arranged by a wired earth as a further solution of the present invention, and the model of MCU
For STM32F429IGT6 type.
Compared with prior art, the utility model has the beneficial effects that the circuit is realizing household electrical appliances zero standby power consumption
Power-fail memory function is realized simultaneously, restores upper task automatically after power failure and makes household electrical appliances more intelligent；When standby, battery is only
It only powers to MCU, greatly reduces power consumption when battery charging, saved energy consumption, reduced economic cost；This hair
It is bright to open and charge automatically, improve the practicality in battery capacity deficiency, the Household appliance control circuit mentality of designing
It is clear, convenient for promoting.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of zero-power Household appliance control circuit for realizing power-fail memory function；
Fig. 2 is a kind of structural representation of battery voltage sampling circuit in zero-power Household appliance control circuit for realizing power-fail memory function
Figure.
Specific embodiment
Please refer to Fig. 1~2, in the utility model embodiment, a kind of zero-power Household appliance control circuit for realizing power-fail memory function,
Including mechanical switch K1, controllable switch S1, power supply sample circuit, battery voltage sampling circuit, energy-storage battery, remote-control receiving circuit
And one end of MCU, mechanical switch K1 are connected with external Live line Zero line, and the other end of mechanical switch K1 and controllable switch S1 are logical
It crosses conducting wire to be connected, an end yoke of controllable switch S1, which is divided to, two conducting wires, and a conducting wire is connected with energy-storage battery, and another is led
Line is connect with MCU, and one end of energy-storage battery is connected with remote-control receiving circuit, and one end and the power supply sample circuit of MCU is connected to
Together.
Preferably, K1 is characterized by non-locking mechanical switch, for doing power button；S1 is characterized in that triode is opened
Close control circuit or metal-oxide-semiconductor control circuit；RELAY1 is characterized in that relay control.
Preferably, battery voltage sampling circuit includes first resistor, zener diode, first capacitor, divider resistance list
Member and voltage sample chip, the cathode of zener diode are connected to the negative terminal of energy-storage battery, the anode of zener diode
It is connected to the anode of first capacitor, the cathode of first capacitor is connected to the negative terminal of energy-storage battery, and the of divider resistance unit
One input terminal and the second input terminal are respectively connected to the both ends of first capacitor, and the output end of divider resistance unit is connected to the first electricity
Voltage sample chip is connected to after resistance, divider resistance unit obtains the voltage at first capacitor both ends by way of electric resistance partial pressure,
First resistor is thermistor, the PTC thermistor with temperature sensitivity.
Preferably, the both ends of energy-storage battery pass through conducting wire respectively and are connected with MCU, and one is provided in each wire and is put
Big diode.
Preferably, MCU is arranged by a wired earth, and the model STM32F429IGT6 type of MCU.
The working principle of the utility model is: power grid is electric firstly, in the initial state, K1, RELAY1 are in an off state
Source be disconnect, realize zero standby power consumption, when needing household electrical appliances to work, press K1 (or remote controler etc. send signal,
MCU is closed RELAY1 after detecting), MCU power supply is temporarily provided by power grid at this time；After MCU detects that K1 is pressed, control
RELAY1 conducting, power grid start to power to household electrical appliances, and MCU detects cell voltage by battery supply sample circuit at this time, works as battery
When voltage is lower than normal voltage, control S1 closure charges the battery, and disconnection S1 saves power grid after cell voltage is higher than normal pressure drop
Power consumption, when having a power failure, MCU detects power failure by power supply sample circuit, and power supply is changed to battery and provides MCU entrance
Low-power consumption mode is to save battery capacity.When network voltage restores, MCU can control RELAY1 conducting and restore what last time did not completed
Work.When needing to restore standby mode, MCU disconnects RELAY1, and MCU power supply is switched to battery power supply and MCU enters low function
Consumption mode saves battery capacity, and since D1 limitation battery only substantially increases stand-by time for MCU power supply；Secondly, wherein
In battery voltage sampling circuit one end of second resistance as partial pressure resistance unit first input end, the other end of second resistance with
One end of 3rd resistor is connected, in the present invention energy-storage battery both end voltage=zener diode both end voltage+the first
Capacitor both end voltage, sampled voltage=first capacitor both end voltage × R3 (R2+R3), wherein R2 is second resistance, and R3 is third
Resistance.
It is above-described, the only preferable specific embodiment of the utility model, but the protection scope of the utility model is simultaneously
It is not limited to this, anyone skilled in the art within the technical scope disclosed by the utility model, according to this reality
It is subject to equivalent substitution or change with novel technical solution and its utility model design, should all covers the protection in the utility model
Within the scope of.
Claims (5)
1. a kind of zero-power Household appliance control circuit for realizing power-fail memory function, including RELAY1, mechanical switch K1, controllable switch S1,
Power supply sample circuit, battery voltage sampling circuit, energy-storage battery, remote-control receiving circuit and MCU, which is characterized in that the machinery
One end of switch K1 is connected with external Live line Zero line, and the other end of mechanical switch K1 is connected with controllable switch S1 by conducting wire
Connect, an end yoke of the controllable switch S1, which is divided to, two conducting wires, and a conducting wire is connected with energy-storage battery, another conducting wire with
MCU connection, one end of the energy-storage battery are connected with remote-control receiving circuit, and one end of the MCU and power supply sample circuit connect
It is connected together.
2. a kind of zero-power Household appliance control circuit for realizing power-fail memory function according to claim 1, which is characterized in that described
K1 is characterized by non-locking mechanical switch, for doing power button；The S1 is characterized in that control circuit of switch of audion
Or metal-oxide-semiconductor control circuit；The RELAY1 is characterized in that relay control.
3. a kind of zero-power Household appliance control circuit for realizing power-fail memory function according to claim 1, which is characterized in that described
Battery voltage sampling circuit includes first resistor, zener diode, first capacitor, divider resistance unit and voltage sample core
Piece, the cathode of the zener diode are connected to the negative terminal of energy-storage battery, and the anode of the zener diode is connected to
The anode of one capacitor, the cathode of the first capacitor are connected to the negative terminal of energy-storage battery, and the of the divider resistance unit
One input terminal and the second input terminal are respectively connected to the both ends of first capacitor, and the output end of the divider resistance unit is connected to
Voltage sample chip is connected to after one resistance, the divider resistance unit obtains first capacitor both ends by way of electric resistance partial pressure
Voltage, the first resistor be thermistor, with temperature sensitivity PTC thermistor.
4. a kind of zero-power Household appliance control circuit for realizing power-fail memory function according to claim 1, which is characterized in that described
The both ends of energy-storage battery pass through conducting wire respectively and are connected with MCU, and an amplification diode is provided in each wire.
5. a kind of zero-power Household appliance control circuit for realizing power-fail memory function according to claim 1, which is characterized in that described
MCU is arranged by a wired earth, and the model STM32F429IGT6 type of MCU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821760363.5U CN209132606U (en) | 2018-10-29 | 2018-10-29 | A kind of zero-power Household appliance control circuit for realizing power-fail memory function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821760363.5U CN209132606U (en) | 2018-10-29 | 2018-10-29 | A kind of zero-power Household appliance control circuit for realizing power-fail memory function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209132606U true CN209132606U (en) | 2019-07-19 |
Family
ID=67233192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821760363.5U Active CN209132606U (en) | 2018-10-29 | 2018-10-29 | A kind of zero-power Household appliance control circuit for realizing power-fail memory function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209132606U (en) |
-
2018
- 2018-10-29 CN CN201821760363.5U patent/CN209132606U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204335015U (en) | A kind ofly support the fiery switch of the list of wireless two-way communication | |
| CN204216616U (en) | A kind of portable power source | |
| CN201392462Y (en) | Energy-saving switch device | |
| CN204361767U (en) | Charger and charging control circuit thereof | |
| CN204697345U (en) | A kind of centralized control electronic switching circuit | |
| CN204012089U (en) | A kind of power line device with intelligent plug | |
| CN104901325A (en) | Intelligent household micro-network system based on peak and off-peak difference of electricity price | |
| CN100363957C (en) | Method for realizing zero power consumption standby of household electric appliance | |
| CN207311163U (en) | A kind of electric bicycle intelligent charge socket | |
| CN209132606U (en) | A kind of zero-power Household appliance control circuit for realizing power-fail memory function | |
| CN205157644U (en) | Multiloop ammeter | |
| CN202133884U (en) | Standby zero power consumption circuit | |
| CN208353060U (en) | A kind of battery and power supply adaptor supply power with double circuit switching circuit | |
| CN202872455U (en) | Solar smart home supply power system | |
| CN204482125U (en) | A kind of single live wire switch | |
| CN204651613U (en) | Based on the intelligent terminal supply socket of Internet of Things | |
| CN201110951Y (en) | Automatic change-over switch with programmable contacts output functions | |
| CN207518351U (en) | A kind of intelligent mobile inverter | |
| CN206379711U (en) | New power-off output delay disconnecting circuit | |
| CN206894294U (en) | A kind of circuit system by Bluetooth control charger baby power on/off | |
| CN207397219U (en) | A kind of passive relay protection backup power supply opens circuit certainly | |
| CN204242124U (en) | A kind of pressure inductive wireless mouse | |
| CN208224803U (en) | A kind of SCM Based remote-control switching system | |
| CN205051422U (en) | Lithium cell photovoltaic treasured that charges | |
| CN204103536U (en) | Portable power source circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Xiangcheng Kang Yuan Economic Development Zone in Suzhou City, Jiangsu Province, No. 111 215100 Patentee after: JIANGSU SIMAND ELECTRIC APPLIANCE Co.,Ltd. Address before: Xiangcheng Kang Yuan Economic Development Zone in Suzhou City, Jiangsu Province, No. 111 215100 Patentee before: JIANGSU XIN AN ELECTRIC APPLIANCE Co.,Ltd. |