CN207382047U - Detection of power loss and main power supply switching system in intelligent domestic system - Google Patents
Detection of power loss and main power supply switching system in intelligent domestic system Download PDFInfo
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- CN207382047U CN207382047U CN201721335160.7U CN201721335160U CN207382047U CN 207382047 U CN207382047 U CN 207382047U CN 201721335160 U CN201721335160 U CN 201721335160U CN 207382047 U CN207382047 U CN 207382047U
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- power supply
- main power
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Abstract
The utility model discloses detection of power loss and main power supply switching system in a kind of intelligent domestic system, including main power supply power supply module, main power supply control switching circuit, power down memory module, it is wirelessly transferred alarm module and intelligent power equipment, wherein main power supply control switching circuit and main power supply power supply module, power down memory module and wireless transmission alarm module are bi-directionally connected, the utility model intelligent domestic system uses active and standby dual power supply, and equipped with main power source detection of power loss, main power supply control switching circuit, when mains-supplied circuit breaks down, the switching of master and stand-by circuits can be automatically performed and can display real-time the electrical parameter of power supply circuit, ensure the uninterrupted power supply of smart home device；Simultaneously there is provided power down storage circuit, the working condition before smart home device power down can be stored, recovers smart home device working condition to power down after main power supply switching, the utility model also circuit structure is simple, and detection is easy to control.
Description
Technical field
The utility model belongs to Smart Home technical field, and in particular to a kind of detection of power loss in intelligent domestic system with it is active and standby
Power transfer system.
Background technology
With the development of society, the progress in epoch, people’s lives quality has obtained greatly improving, internet+technology
The life of the people is increasingly penetrated into, requirement of the people to itself living condition is also continuously improved, so as to promote household
Life constantly develops toward networking and intelligentized direction.In intelligent domestic system, people just can be completed pair by mobile phone
Electrical equipment in household carries out remote monitoring and remote control, meets people to the home life needs such as comfortable, convenient, safe.
With the popularization of smart home kind equipment and detection kind equipment, one comes head-on the problem of important, in equipment
If alternating current used in family powers off during use, it will equipment is made to be in off-position, it so can be to the real-time detection of equipment, data
The functions such as transmission, control measurement cause important influence.
Utility model content
The utility model technical issues that need to address be to provide a kind of circuit structure it is simple, convenient for controlling and can guarantee intelligent family
Detection of power loss of the electrical equipment working condition in the intelligent domestic system of power supply switching self-consistentency is occupied with main power supply to switch
System.
To solve the above problems, the utility model is adopted the technical scheme that：
A kind of detection of power loss in intelligent domestic system and main power supply switching system, including main power supply power supply module,
Main power supply control switching circuit, power down memory module, wireless transmission alarm module and intelligent power equipment, wherein active and standby electricity
Source control switching circuit and main power supply power supply module, power down memory module and wireless transmission alarm module are bi-directionally connected, institute
It states main power supply power supply module and provides power supply for intelligent power equipment and whole system, main power supply control switching circuit is used for
Detection main power supply power supply module state simultaneously controls the switching between main power source and stand-by power supply, power down memory module be used for every
Certain time stores the working condition of intelligent power equipment, and wireless transmission alarm module is used to pass the state of intelligent power equipment
It send to main power supply control switching circuit and is stored in power down memory module at the control, and work as mains power failure, switch
During to stand-by power supply, fault message is sent to wireless transmission alarm module and is alarmed, while by electrical equipment power failure
Last working condition reads out from power down memory module and is sent to electrical equipment before switching.
Further, the main power supply control switching circuit includes alternating current output control circuit, storing up electricity output control electricity
Road and MCU circuits, wherein alternating current output control circuit include resistance R1-R3, optocoupler U1, switching tube Q1 and relay K1,
1 foot of input terminal of optocoupler U1 connects the output control of MCU circuits by 2 foot of input terminal of resistance R1 connections power supply 3.3V, optocoupler U1
The grid of the 3 foot connecting valve pipe Q1 of output terminal of signal CN0 processed, optocoupler U1 are grounded simultaneously through resistance R3, the output terminal 4 of optocoupler U1
Source electrode ground connection of the foot through resistance R2 connections power supply VCC1, switching tube Q1, the one of the drain electrode connection relay K1 coils of switching tube Q1
End, the other end connection power supply VCC1 of relay K1 coils, two groups of opened point both ends of relay K1 connect alternating current and use respectively
Electric equipment；Storing up electricity output control circuit includes resistance R10-R13, and optocoupler U2, switching tube Q2 and relay K2, optocoupler U2's is defeated
Enter the output control signal CN1 that 1 foot of end connects MCU circuits by 2 foot of input terminal of resistance R10 connections power supply 3.3V, optocoupler U2
It is grounded simultaneously through resistance R13 connection power supplys VCC1, through capacitance C1, the grid of the 3 foot connecting valve pipe Q2 of output terminal of optocoupler U2 is same
When be grounded through resistance R12, the source electrode of 4 foot of output terminal of optocoupler U2 through resistance R11 connections power supply VCC2, switching tube Q2 is grounded, and is opened
Close one end of the drain electrode connection relay K2 coils of pipe Q2, the other end connection power supply VCC2, relay K2 of relay K2 coils
Two groups of opened point both ends connect storing up electricity and electrical equipment respectively；The power supply VCC1 is the power supply by alternating current step-down rectifier, electric
Source VCC2 is storing up electricity power supply.
Further, power supply mode selection and electricity quantity display module are further included, which is touch-screen or user's hand
Machine terminal, user make choice switching by the button on touch-screen or user mobile phone terminal to main power source and stand-by power supply, and
Show the measurement result of all kinds of electrical parameters of supply line.
Preferably, the intelligent power equipment is the equipment with wireless communication function, is set including home security class electricity consumption
Standby, home environment detection class electrical equipment and home control class electrical equipment.
Preferably, the wireless transmission alarm module includes wireless transport module, user terminal and electric company's terminal,
Municipal power failure information by wireless transport module is transferred to electric company's terminal, and either user terminal makes electric company or user
Know fault message at the first time, carry out discharge failure and prepare.
Preferably, the main power supply power supply module includes main power source and stand-by power supply, and stand-by power supply uses accumulator,
Accumulator is charged a battery by solar panels by charging-discharging controller, and protects accumulator, and accumulator is cut to main power supply
The storing up electricity output control circuit power supply in control circuit is changed, battery tension is converted into the exchange identical with alternating current by inverter
Electricity supply intelligent power equipment, main power source are alternating current, and alternating current is converted into low-tension supply by Switching Power Supply and switches to main power supply
Alternating current output control circuit power supply in control circuit.
It is using advantageous effect caused by above-mentioned technical proposal：
The utility model intelligent domestic system uses active and standby dual power supply, and equipped with main power source detection of power loss, main power supply
Control switching circuit when mains-supplied circuit breaks down, can be automatically performed the switching of master and stand-by circuits and can display real-time
The electrical parameter of power supply circuit provides reference frame for user to the grasp of power consumption, ensures the uninterrupted confession of smart home device
Electricity；Simultaneously there is provided power down storage circuit, the working condition before smart home device power down can be stored, is switched in main power supply
Smart home device working condition is recovered to power down afterwards, the utility model also circuit structure is simple, and detection is easy to control.
Description of the drawings
Fig. 1 is the utility model principle block diagram；
Fig. 2 is the utility model main power supply control switching circuit schematic diagram；
Fig. 3 is the utility model MCU circuits and storage circuit schematic diagram.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
The utility model is a kind of detection of power loss for smart home device and main power supply switching system, Ke Yibao
Smart home device uninterrupted power supply is demonstrate,proved, and can change smart home device working condition caused by power supply flash and recover
To power supply power-fail（Power supply flash）Before.
As shown in Figure 1, the utility model is deposited including main power supply power supply module, main power supply control switching circuit, power down
Module, wireless transmission alarm module, power supply mode selection and electricity quantity display module and intelligent power equipment are stored up, wherein active and standby electricity
Source control switching circuit and main power supply power supply module, power down memory module and wireless transmission alarm module are bi-directionally connected, institute
It states main power supply power supply module and provides power supply for intelligent power equipment and whole system, main power supply control switching circuit is used for
Detection main power supply power supply module state simultaneously controls the switching between main power source and stand-by power supply, power down memory module be used for every
Certain time stores the working condition of intelligent power equipment, and wireless transmission alarm module is used to pass the state of intelligent power equipment
It send to main power supply control switching circuit and is stored in power down memory module at the control, and work as mains power failure, switch
During to stand-by power supply, fault message is sent to wireless transmission alarm module and is alarmed, while by electrical equipment power failure
Last working condition reads out from power down memory module and is sent to electrical equipment before switching, power supply mode selection and electricity
Display module is used to show the measurement result of all kinds of electrical parameters of supply line and the selection of main power supply.
As shown in Figure 1, the intelligent power equipment of the utility model is the equipment with wireless communication function, prevent including family
Steal class electrical equipment（Door and window detection, electromagnetic type door lock etc.）, home environment detection class electrical equipment（Humiture, fuel gas etc.）
And home control class electrical equipment（Curtain, air-conditioning etc.）.Being wirelessly transferred alarm module includes wireless transport module, user terminal
And electric company's terminal, municipal power failure information are transferred to electric company's terminal or user terminal by wireless transport module,
Electric company or user is made to know fault message at the first time, discharge failure is carried out and prepares.Main power supply power supply module includes
Main power source and stand-by power supply, stand-by power supply use accumulator, and accumulator is by solar panels by charging-discharging controller to electric power storage
Pond is charged, and protects accumulator, and accumulator is powered to the storing up electricity output control circuit in main power supply control switching circuit, electric power storage
Cell voltage is converted into the alternating current identical with alternating current by inverter and supplies intelligent power equipment, and main power source is alternating current, and alternating current leads to
It crosses Switching Power Supply and is converted into low-tension supply to the alternating current output control circuit power supply in main power supply control switching circuit.
Consider for energy conservation and environmental protection, the utility model devises two sets of power supply circuits, a set of to come from alternating current, it is another set of come
From in the storage battery power supply of solar recharging.It is normal in power supply, it can be selected by power supply mode and electricity is shown
Button or user mobile phone terminal on the touch-screen of module make choice two sets of power supply units switching and complete to set smart home
Standby power supply.Simultaneously to the electrical parameter of supply line（Voltage, electric current, power factor etc.）It is measured in real time, and measurement is tied
Fruit is shown in touch-screen or user mobile phone terminal, and certain reference frame is provided to the grasp of power consumption for user.
As shown in Figures 2 and 3, the main power supply control switching circuit of the utility model includes alternating current output control circuit, storage
Electricity output control circuit and MCU circuits, wherein alternating current output control circuit include resistance R1-R3, optocoupler U1, switching tube Q1 with
And 1 foot of input terminal of relay K1, optocoupler U1 connect MCU electricity by 2 foot of input terminal of resistance R1 connections power supply 3.3V, optocoupler U1
The grid of the 3 foot connecting valve pipe Q1 of output terminal of output the control signal CN0, optocoupler U1 on road are grounded simultaneously through resistance R3, optocoupler
Source electrode ground connection of 4 foot of output terminal of U1 through resistance R2 connections power supply VCC1, switching tube Q1, the drain electrode connection relay of switching tube Q1
One end of K1 coils, the other end connection power supply VCC1 of relay K1 coils, two groups of opened point both ends of relay K1 connect respectively
Connect alternating current and electrical equipment；Storing up electricity output control circuit includes resistance R10-R13, optocoupler U2, switching tube Q2 and relay K2,
1 foot of input terminal of optocoupler U2 connects the output control of MCU circuits by 2 foot of input terminal of resistance R10 connections power supply 3.3V, optocoupler U2
Signal CN1 processed is grounded simultaneously through resistance R13 connection power supplys VCC1, through capacitance C1, the 3 foot connecting valve pipe Q2 of output terminal of optocoupler U2
Grid simultaneously through resistance R12 be grounded, 4 foot of output terminal of optocoupler U2 is through resistance R11 connection power supply VCC2, the source electrode of switching tube Q2
Ground connection, one end of the drain electrode connection relay K2 coils of switching tube Q2, the other end connection power supply VCC2 of relay K2 coils, after
Two groups of opened point both ends of electric appliance K2 connect storing up electricity and electrical equipment respectively；The power supply VCC1 is the electricity by alternating current step-down rectifier
Source, power supply VCC2 are storing up electricity power supply（Battery feed）.The core of MCU circuits is STM32 chip U3, in alternating current normal power supply
When, STM32 chip U3 output control terminals CN0 output low levels, optocoupler U1 conductings, by the power supply VCC1 of alternating current step-down rectifier through electricity
R2, the photosensitive part of optocoupler, resistance R3 partial pressures are hindered, drives pipe Q1 conductings of opening the light, relay K1 is attracted, and alternating current is sent through relay K1
To smart home electrical equipment.Meanwhile charged by the power supply VCC1 of alternating current step-down rectifier through resistance R13 to capacitance C1, capacitance C1
STM32 chip U3 output control terminals CN1 becomes high level after fully charged, and photoelectricity coupling U2 is in cut-off state, and stand-by power supply will not
It devotes oneself to work.STM32 chips U3 also receives the electrical parameter of supply line（Voltage, electric current, power factor etc.）, sent after processing to tactile
It touches screen or user mobile phone terminal is shown.
When utility power failure, alternating current can automatic trip cut-out.Stop supplying by the power supply VCC1 ends of alternating current step-down rectifier
Electricity（Loss of voltage）, the capacitance C1 in storing up electricity output control circuit starts to discharge, STM32 chips U3 outputs control after the completion of electric discharge
End CN1 becomes low level, optocoupler U2 conductings, and storing up electricity power supply VCC2 is divided through resistance R11, the photosensitive part of optocoupler, resistance R12,
Pipe Q2 conductings of opening the light are driven, relay K2 is attracted, storing up electricity（After inverter converts）It is sent through relay K2 to smart home electricity consumption
Equipment.STM32 chips U3 activates wireless transmission alarm module by serial port simultaneously, and municipal power failure information is sent to power supply
Door or user terminal are prompted, and facilitate user's Measuring error.
After user fixes alternating current, alternating current uses closing by hand, at this point, STM32 chip U3 output control terminals CN1 is first defeated
Go out high level, output control terminal CN0 exports low level again, and output control terminal CN1 exports low level again afterwards（Output control terminal
CN1 becomes the low level time interval time fully charged more than capacitance C1 from high level）, main power supply control switching circuit is extensive
Multiple normal work.
As shown in figure 3, the utility model is additionally provided with power down memory module, the core circuit of power down memory module is storage core
Piece U4 and its peripheral circuit, storage chip U4 use 24c02, can be received from intelligence per STM32 chips U3 at regular intervals
The working status parameter of energy household electricity equipment is simultaneously stored in 24c02 chips, and 24c02 chips carry out real-time storage, protect
It has demonstrate,proved all data to be stored in transmission, the storage that can make data is more accurate.
When utility power failure, STM32 processing chips can read the intelligent family in 24c02 chips before utility power failure
The detection of electrical equipment and control data are occupied, and data are sent in real time before smart home electrical equipment makes it restore to failure
Working condition.
After user fixes alternating current, STM32 chips U3 reads the smart home in 24c02 memory modules before storing up electricity disconnects
The detection of electrical equipment and control data, and data are sent to smart home electrical equipment in real time and make it restore to storing up electricity switching
Working condition before to alternating current.
Claims (6)
1. detection of power loss and main power supply switching system in a kind of intelligent domestic system, it is characterised in that：Including main power supply
Power supply module, main power supply control switching circuit, power down memory module, wireless transmission alarm module and intelligent power equipment,
Wherein main power supply control switching circuit and main power supply power supply module, power down memory module and wireless transmission alarm module is double
To connection, the main power supply power supply module provides power supply, main power supply switching control for intelligent power equipment and whole system
Circuit processed is for detecting main power supply power supply module state and controlling the switching between main power source and stand-by power supply, power down storage mould
For storing the working condition of intelligent power equipment at regular intervals, wireless transmission alarm module is used to set intelligent power block
Standby state is sent to main power supply control switching circuit and is stored in power down memory module at the control, and works as main power source
Fault message when switching to stand-by power supply, is sent to wireless transmission alarm module and alarmed by failure, while by electrical equipment
Last working condition reads out from power down memory module and is sent to electrical equipment before power failure switching.
2. the detection of power loss and main power supply switching system, feature in intelligent domestic system according to claim 1 exist
In：The main power supply control switching circuit includes alternating current output control circuit, storing up electricity output control circuit and MCU circuits,
Wherein alternating current output control circuit includes resistance R1-R3, optocoupler U1, switching tube Q1 and relay K1, the input terminal 1 of optocoupler U1
Foot connects output the control signal CN0, optocoupler U1 of MCU circuits by 2 foot of input terminal of resistance R1 connections power supply 3.3V, optocoupler U1
The grid of 3 foot connecting valve pipe Q1 of output terminal be grounded simultaneously through resistance R3,4 foot of output terminal of optocoupler U1 is electric through resistance R2 connections
The source electrode ground connection of source VCC1, switching tube Q1, one end of the drain electrode connection relay K1 coils of switching tube Q1, relay K1 coils
The other end connects power supply VCC1, and two groups of opened point both ends of relay K1 connect alternating current and electrical equipment respectively；Storing up electricity output control
Circuit processed includes resistance R10-R13, optocoupler U2, switching tube Q2 and relay K2, and 1 foot of input terminal of optocoupler U2 passes through resistance
The output control signal CN1 of 2 foot of the input terminal connection MCU circuits of R10 connections power supply 3.3V, optocoupler U2 connects simultaneously through resistance R13
It meeting power supply VCC1, is grounded through capacitance C1, the grid of the 3 foot connecting valve pipe Q2 of output terminal of optocoupler U2 is grounded simultaneously through resistance R12,
Source electrode ground connection of 4 foot of output terminal of optocoupler U2 through resistance R11 connections power supply VCC2, switching tube Q2, the drain electrode connection of switching tube Q2
One end of relay K2 coils, the other end connection power supply VCC2 of relay K2 coils, two groups of opened point both ends of relay K2
Storing up electricity and electrical equipment are connected respectively；The power supply VCC1 is the power supply by alternating current step-down rectifier, and power supply VCC2 is storing up electricity power supply.
3. detection of power loss and main power supply switching system in intelligent domestic system according to claim 1 or 2, feature
It is：Power supply mode selection and electricity quantity display module are further included, which is touch-screen or user mobile phone terminal, and user passes through
Button or user mobile phone terminal on touch-screen make choice switching to main power source and stand-by power supply, and show that supply line is all kinds of
The measurement result of electrical parameter.
4. the detection of power loss and main power supply switching system, feature in intelligent domestic system according to claim 3 exist
In：The intelligent power equipment is the equipment with wireless communication function, is examined including home security class electrical equipment, home environment
Survey class electrical equipment and home control class electrical equipment.
5. the detection of power loss and main power supply switching system, feature in intelligent domestic system according to claim 3 exist
In：The wireless transmission alarm module includes wireless transport module, user terminal and electric company's terminal, municipal power failure information
Being transferred to electric company's terminal by wireless transport module, either user terminal makes electric company or user know at the first time
Fault message is carried out discharge failure and is prepared.
6. the detection of power loss and main power supply switching system, feature in intelligent domestic system according to claim 3 exist
In：The main power supply power supply module includes main power source and stand-by power supply, and stand-by power supply uses accumulator, and accumulator is by the sun
Energy plate is charged a battery by charging-discharging controller, and protects accumulator, and accumulator is in main power supply control switching circuit
The power supply of storing up electricity output control circuit, battery tension is converted into identical with alternating current alternating current supply intelligence by inverter and uses
Electric equipment, main power source are alternating current, and alternating current is converted into low-tension supply in main power supply control switching circuit by Switching Power Supply
Alternating current output control circuit is powered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721335160.7U CN207382047U (en) | 2017-10-17 | 2017-10-17 | Detection of power loss and main power supply switching system in intelligent domestic system |
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|---|---|---|---|
| CN201721335160.7U CN207382047U (en) | 2017-10-17 | 2017-10-17 | Detection of power loss and main power supply switching system in intelligent domestic system |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108565962A (en) * | 2018-06-15 | 2018-09-21 | 福州智程信息科技有限公司 | A kind of controller that intelligent power supply failure automatically switches |
| CN108831467A (en) * | 2018-07-18 | 2018-11-16 | 深圳市普威技术有限公司 | A kind of IPC equipment based on voice control |
| CN108919936A (en) * | 2018-06-22 | 2018-11-30 | 北京小米移动软件有限公司 | The power-off protection apparatus and electronic equipment of electronic equipment |
| CN108932046A (en) * | 2018-06-25 | 2018-12-04 | 郑州云海信息技术有限公司 | A kind of disk array and its backup power supply system |
| CN109324520A (en) * | 2018-10-09 | 2019-02-12 | 华北电力大学（保定） | A kind of intelligent interaction network control system |
| CN109494867A (en) * | 2018-12-19 | 2019-03-19 | 中国科学院寒区旱区环境与工程研究所 | It a kind of field is supplied power with double circuit multiple power cut-off information sending device with from throwing runback |
| CN109525032A (en) * | 2018-10-16 | 2019-03-26 | 格力电器（武汉）有限公司 | A kind of control method, device and electrical equipment |
| CN109963393A (en) * | 2018-07-12 | 2019-07-02 | 青岛亿联客信息技术有限公司 | A kind of flash switch detection circuit |
| CN110392382A (en) * | 2019-08-06 | 2019-10-29 | 上海博昂电气有限公司 | The adaptive switched intelligent electric power unit of wireless self-networking double copies |
| CN110445245A (en) * | 2019-08-02 | 2019-11-12 | 珠海和一科技有限公司 | It is a kind of have a power failure, power down active reporting method |
| CN111614152A (en) * | 2019-02-22 | 2020-09-01 | 季华实验室 | On-line replacement type uninterrupted output power supply |
| CN112039049A (en) * | 2019-06-04 | 2020-12-04 | 凹凸电子（武汉）有限公司 | Power supply system and power supply method |
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| CN113675815A (en) * | 2021-08-25 | 2021-11-19 | 深圳市杰芯创电子科技有限公司 | Power supply management system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108565962A (en) * | 2018-06-15 | 2018-09-21 | 福州智程信息科技有限公司 | A kind of controller that intelligent power supply failure automatically switches |
| CN108919936A (en) * | 2018-06-22 | 2018-11-30 | 北京小米移动软件有限公司 | The power-off protection apparatus and electronic equipment of electronic equipment |
| CN108932046A (en) * | 2018-06-25 | 2018-12-04 | 郑州云海信息技术有限公司 | A kind of disk array and its backup power supply system |
| CN109963393A (en) * | 2018-07-12 | 2019-07-02 | 青岛亿联客信息技术有限公司 | A kind of flash switch detection circuit |
| CN108831467A (en) * | 2018-07-18 | 2018-11-16 | 深圳市普威技术有限公司 | A kind of IPC equipment based on voice control |
| CN109324520A (en) * | 2018-10-09 | 2019-02-12 | 华北电力大学（保定） | A kind of intelligent interaction network control system |
| CN109525032A (en) * | 2018-10-16 | 2019-03-26 | 格力电器（武汉）有限公司 | A kind of control method, device and electrical equipment |
| CN109494867A (en) * | 2018-12-19 | 2019-03-19 | 中国科学院寒区旱区环境与工程研究所 | It a kind of field is supplied power with double circuit multiple power cut-off information sending device with from throwing runback |
| CN111614152A (en) * | 2019-02-22 | 2020-09-01 | 季华实验室 | On-line replacement type uninterrupted output power supply |
| CN112039049A (en) * | 2019-06-04 | 2020-12-04 | 凹凸电子（武汉）有限公司 | Power supply system and power supply method |
| CN112260386B (en) * | 2019-07-22 | 2023-03-21 | 芜湖美的厨卫电器制造有限公司 | Water heater and power supply switching device thereof |
| CN112260386A (en) * | 2019-07-22 | 2021-01-22 | 芜湖美的厨卫电器制造有限公司 | Water heater and power supply switching device thereof |
| CN110445245A (en) * | 2019-08-02 | 2019-11-12 | 珠海和一科技有限公司 | It is a kind of have a power failure, power down active reporting method |
| CN110392382A (en) * | 2019-08-06 | 2019-10-29 | 上海博昂电气有限公司 | The adaptive switched intelligent electric power unit of wireless self-networking double copies |
| CN112748684A (en) * | 2020-12-21 | 2021-05-04 | 许敬梅 | Monitoring control system and device of intelligent insulin pump based on RFID |
| CN112615422A (en) * | 2020-12-25 | 2021-04-06 | 南京工业职业技术大学 | Temporary electricity utilization system for activity site |
| CN113300452A (en) * | 2021-04-02 | 2021-08-24 | 中安创科（深圳）技术有限公司 | Bullet cabinet power control circuit |
| CN113675815A (en) * | 2021-08-25 | 2021-11-19 | 深圳市杰芯创电子科技有限公司 | Power supply management system and method |
| CN113675815B (en) * | 2021-08-25 | 2023-09-01 | 深圳市拓邦威电子科技有限公司 | Power supply management system and method |
| CN114202904A (en) * | 2022-02-18 | 2022-03-18 | 山东冠嘉智能设备有限公司 | Power failure alarm device of automatic packaging machine |
| CN117543788A (en) * | 2024-01-09 | 2024-02-09 | 山东寿光市坤隆石油机械股份有限公司 | New forms of energy screw pump power supply control system |
| CN117543788B (en) * | 2024-01-09 | 2024-04-02 | 山东寿光市坤隆石油机械股份有限公司 | New forms of energy screw pump power supply control system |
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