CN106451780A - Intelligent miniature circuit breaker based on Zigbee wireless communication - Google Patents
Intelligent miniature circuit breaker based on Zigbee wireless communication Download PDFInfo
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- CN106451780A CN106451780A CN201610957978.6A CN201610957978A CN106451780A CN 106451780 A CN106451780 A CN 106451780A CN 201610957978 A CN201610957978 A CN 201610957978A CN 106451780 A CN106451780 A CN 106451780A
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- circuit breaker
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- zigbee
- wireless communication
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- 238000004891 communication Methods 0.000 title claims abstract description 75
- 238000001514 detection method Methods 0.000 claims abstract description 26
- 230000005611 electricity Effects 0.000 claims abstract description 25
- 230000006855 networking Effects 0.000 claims description 5
- 230000007935 neutral effect Effects 0.000 claims description 4
- 241000256844 Apis mellifera Species 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- H02J13/0075—
-
- 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
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- 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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention provides an intelligent miniature circuit breaker based on Zigbee wireless communication. The intelligent miniature circuit breaker includes a power supply module, an electric quantity detection module, a relay output module, an MCU control module, a Zigbee wireless communication module and a buzzer alarm module. According to the intelligent miniature circuit breaker device, power consumption information of a user is measured, and then the power consumption information of the user is sent throughZigbee wireless communication or a control command of the user is received throughZigbee wireless communication. The power consumption information of the user includes a voltage, an electric quantity, a power, a power factor and the like; the control command of the user is mainly used for completing controlling over the on-off state of the intelligent miniature circuit breaker by the user. Moreover, when the intelligent miniature circuit breaker detects that the current of the device is too large, a to-be measured circuit is cut off by controlling the relay module and an audible alarm is given, so that the intelligent miniature circuit breaker ensures the electrical safety of the rear end of the intelligent miniature circuit breaker device and reminds the user that the electricity failure of the rear end of the intelligent miniature circuit breaker device causes the off state of the to-be measured circuit of the device.
Description
Technical field
The present invention relates to a kind of intelligent micro-circuit breaker equipment, more particularly to a kind of can realize radio communication based on
The intelligent micro-circuit breaker device of Zigbee communication agreement, i.e. the intelligent micro-circuit breaker device based on Zigbee radio communication.
Background technology
Energy problem is the key problem for restricting current national economy, and wherein electric power energy is the most important thing, how to carry out
The power saving of electric power is the core of current research.With the popularization of intelligent grid and the implementation of national step price, science is used
Electricity is increasingly paid attention to by power consumer.If power consumer can be allowed to understand the power consumption of oneself each equipment at any time
Information, then power consumer passes through using electricity wisely, hides the methods such as peak times of power consumption, it is possible to reduce electric power system burden, protect
Retaining ring border, using electricity wisely cost.
Traditional miniature circuit breaker integrates control and multi-protective function, and decapacitation is completed outside contact and disjunction circuit,
Short circuit, heavy overload and under-voltage that circuit or electrical equipment occur etc. can also be protected, while can be used for not frequently
Numerous ground actuating motor.Exactly because traditional miniature circuit breaker has so many so that it is in architectural engineering, industry
The related electric control fields such as control become one of indispensable electrical control gear.But traditional miniature circuit breaker cannot
In real time the power consumption information of user is fed back to user in time, if user wants to know about power information, need by checking
Kilowatt-hour meter in distribution box, this mode inconvenient operation, and user's understanding power consumption information delay is caused, it is unfavorable for section
About electricity consumption and hide peak times of power consumption.In addition, user can not the disconnection of remotely control miniature circuit breaker or closure so that micro-
Type circuit breaker automation low degree, it is impossible to meet the demand for development of present smart home industry.
Intelligent micro-circuit breaker grows up on the basis of traditional miniature circuit breaker, is to realize electricity needs side pipe
The main intelligent electrical apparatus equipment of reason.It introduces in addition to the contour structures and mounting means of the traditional miniature short-circuiting device of holding
The technology such as microelectronics, communication.The intelligent micro-circuit breaker for occurring in the market, is not only able to gather electric current, voltage or work(
The relevant informations such as rate, but also real-time Communication for Power can be carried out with user, even if so that kilowatt-hour meter do not checked by power consumer
In the case of, it is also possible to grasp the power information of power consumer oneself.But this intelligent micro-circuit breaker mainly using RS232,
The wired modes such as RS485 or RS422 are communicated, and are unfavorable for saving wiring space, and are brought to Electrical Safety certain hidden
Suffer from.
At present, conventional wireless communication technology has infrared technique, Bluetooth technology and Wi-Fi technology, but infrared technique is suitable for
Short haul connection in clear；Bluetooth technology is limited on radio node, communication protocol complexity；Wi-Fi technology is to electronics
The requirement of equipment electric supply installation is higher, and cost and power consumption are all than larger.ZigBee technology be a kind of emerging closely, low cost,
Communication protocol simply highly reliable Radio Transmission Technology, it has specific radio standard, can thousands of microsensors it
Between mutually coordinated, realize communication, be suitable for be embedded in electronic equipment realize automatically control and remote control function.Additionally, using
Zigbee carries out networking also a lot of advantages：First, very flexible on inserting knot, equipment can be made to be placed in household
Any position；Secondly, ZigBee networking technology allows more than 6000 node of arrangement, and good autgmentability is conducive to expanding network
Area coverage；Finally, the maintenance of network is more conducive to using ZigBee technology, when network goes wrong, can directly pass through computer
Or handheld terminal orientation problem node, if desired for increasing or replacing node, only new node need to be placed on the position of needs can
So that this is also its most prominent advantage.Compared with the wireless communication technology conventional with other, ZigBee technology is more suitable for intelligent family
Occupy the realization of system.
Based on above reason, what the present invention was designed overcomes tradition based on the intelligent micro-circuit breaker of Zigbee radio communication
Miniature circuit breaker is unable to Real-time Collection information about power and information about power is fed back to the shortcoming of power consumer and is adopted in the market
Taken up room with the wiring of the intelligent micro-circuit breaker of wired communication mode and long with circuit easily cause Electrical Safety hidden danger
Shortcoming, employs the communication based on Zigbee communication agreement, and power consumer can be allowed to grasp the electricity consumption of oneself in real time
Information, the control command of receive user and can with based on Zigbee protocol domestic electric appliance constitute smart home system
System, facilitates the life of the mankind, improves quality of life so that life staying idle at home is convenient, comfortable, hommization.
Content of the invention
For the problems referred to above, the invention provides a kind of based on the single-phase multifunctional electric energy metrical IC for measuring with neutral line current
The realization of the intelligent micro-circuit breaker that develops with Zigbee radio communication IC for being embedded with ARM Cortex-M3 microcontroller core
Scheme, be one kind can realize measuring that power consumer is active, idle, apparent energy, sample waveform and voltage, current effective value,
And these power consumption information are fed back to power consumer or by wireless Zigbee communication by wireless Zigbee communication agreement
The order of agreement receive user and the device of audible alarm is sent according to when power circuit breaks down, i.e. based on Zigbee no
The intelligent micro-circuit breaker of line communication.
The present invention based on the intelligent micro-circuit breaker of Zigbee radio communication include supply module, electric power detection module,
Relay output module, MCU control module, buzzer warning module and Zigbee wireless communication module, the supply module is used
In being powered to the electric power detection module, the MCU control module and the Zigbee wireless communication module, the MCU
Control module respectively with electric power detection module, relay output module, buzzer warning module and Zigbee wireless communication module
Circuit connection is carried out, the electricity consumption data that the MCU control module is gathered according to the electric power detection module is defeated to the relay
Go out module and buzzer warning module is controlled, and power consumption information can be passed by the Zigbee wireless communication module
User is passed, user can assign instruction with defeated to relay via the Zigbee wireless communication module to MCU control module
Go out module to be controlled.
It is preferred that the power supply circuits module turns DC5V circuit comprising AC220V and DC5V turns DC3.3V circuit.
It is preferred that the electric power detection module can measure active, idle and apparent energy, sample waveform and electric current and voltage
Virtual value, two current-differencing sense channels can be respectively used to detect live wire and neutral line current, with anti-stealing electricity function.
It is preferred that the relay output module can control single-phase live wire normally-closed contact to disconnect or close, examined according to electricity
Whether the current values that survey module is detected reach the threshold of device disconnects to determine whether or closes on single-phase live wire
Relay contact, so as to provide the user electricity protection function.
It is preferred that the MCU control module is communicated with electric power detection module by SPI interface, SPI communication can be passed through
The information about power collected by the electric power detection module is analyzed, and is then uploaded by the Zigbee wireless communication module
Control disconnection or the closure of the relay module to user or according to information about power.
It is preferred that the buzzer warning module is controlled by the MCU control module, in generation electrification, can send
Frequency is the audible ringing signal of 1Hz, to remind user due to rear end electric fault.
It is preferred that the MCU control module and the Zigbee wireless communication module are integrated in a chip.
It is preferred that the chip adopts CC2538 chip.
It is preferred that the Zigbee wireless communication module adopts Zigbee wireless communication protocol, the communication can be supported with other
The equipment automatic network-building of agreement, so as to provide the user broader expanded function.
The present invention has advantages below：1st, circuit overall structure small volume, takes up room little, can be installed to completely common
Miniature circuit breaker enclosure interior；2nd, adopt communication, saved line cost, save wiring space, reduce by
In the Electrical Safety hidden danger that wiring brings；3rd, using the Zigbee wireless communication protocol of current smart home industry main flow, permissible
Easily with other smart machines in family, networking is carried out；3rd, controlled in wireless is adopted, and user can be miniature disconnected with remotely control
The closure of road device or disconnection, facilitate operation；4th, two current-differencing sense channels may be respectively used for detecting live wire and zero
Line current, with anti-stealing electricity function；5th, certainty of measurement height：In 3000: 1 dynamic range, active and wattless power measurement is by mistake
Difference is less than 0.1%；In 1000: 1 dynamic range, transient current effective value measurement error is less than 0.2%.
Description of the drawings
Fig. 1 is the theory structure block diagram of the intelligent micro-circuit breaker device based on Zigbee radio communication.
Fig. 2 is the software program flow process block diagram of the intelligent micro-circuit breaker device based on Zigbee radio communication.
Specific embodiment
With reference to the accompanying drawings and detailed description the present invention is described in further detail.
Fig. 1 is the theory structure block diagram of the intelligent micro-circuit breaker device based on Zigbee radio communication, Fig. 2 be based on
The software program flow process block diagram of the intelligent micro-circuit breaker device of Zigbee radio communication.The device is functionally wrapped from hardware configuration
Include：Supply module, electric power detection module, relay output module, MCU control module and Zigbee wireless communication module and buzzing
Device alarm module；Software configuration functionally includes：(1) control unit initialization module；(2) SPI module for reading and writing；(3) relay
Control module；(4) Zigbee communication；(5) five module compositions of audible alarm.
First, the intelligent micro-circuit breaker device hardware system based on Zigbee radio communication
Alternating current 220V voltage is turned DC5V circuit realiration direct current 5V voltage output by AC220V by power supply circuits module, then
Direct current 5V voltage turns DC3.3V circuit by DC5V, realizes direct current 3.3V output, and maximum output current is 1A.AC220 turns DC5V
The AC220V input of circuit adopts the critesistor with overcurrent protective effect.Power supply circuits module is with direct current 3.3V electricity
Press and power for electric power detection module, Zigbee module and MCU module.
Electric power detection module can measure active, idle and apparent energy, sample waveform and electric current and voltage effective value, and two
Individual current-differencing sense channel may be respectively used for detecting live wire and neutral line current, with anti-stealing electricity function.Electric power detection module
The electric current for being obtained after current transformer and voltage transformer sampling and voltage signal are input to electric energy computation chip ADE7953
In.The voltage and current signal for receiving is processed and is calculated by electric energy computation chip, is stored in corresponding depositor, Ran Houtong
Cross SPI interface to export to MCU module.
Relay output module can control single-phase live wire normally-closed contact to disconnect or close, and be examined according to electric power detection module
Whether the current values for measuring reach the threshold of device disconnects to determine whether or closes the relay on single-phase live wire
Contact, so as to provide the user electricity protection function.
MCU control module and Zigbee module are realized using the Zigbee communication chip CC2538 of MCU function is embedded with.
CC2538 is communicated with electric quantity acquisition module by SPI interface, the electricity for electric quantity acquisition module being collected by SPI communication
Information is analyzed, and is then uploaded to user or according to information about power come control relay by Zigbee communication
The disconnection of module or closure.Zigbee wireless communication module receive user is instructed, and then carries out instruction parsing by MCU module
Or MCU sends user power utilization amount information by Zigbee wireless communication module to user.By using be internally integrated MCU and
The IC of Zigbee communication function such that it is able to which the function of MCU control module and Zigbee wireless communication module is passed through single-chip
To realize, so as to save the inner space of PCB and the intelligent micro-circuit breaker device.
Buzzer warning module is in the intelligent micro-circuit breaker device rear end generation electrification, and can send frequency is
The audible ringing signal of 1Hz, can remind user due to rear end electric fault, the measured fire of the intelligent micro-circuit breaker device
Line is off.Once user makes measured live wire form closed-loop path, buzzer stop alarm.Buzzer warning module
By MCU module, control function is realized by GPIO interface.
2nd, the intelligent micro-circuit breaker apparatus function software based on Zigbee radio communication
Control unit initialization module：Primary control circuit power-up initializing works, including SPI interface initialization, GPIO
The associative operations such as initialization, Zigbee initialization of register.
SPI module for reading and writing：The relevant informations such as the voltage that mainly completes to detect electric power detection module, electric current, power are passed
Give the function of MCU module.In the SPI read-write operation, electric power detection module as from SPI, MCU module as main SPI, by
MCU is triggering the transmission action of SPI interface data.
Relay control module：Closure or open command that MCU module is sent is received by GPIO interface.
Zigbee communication module：Complete networking, instruction that receive user sends or by real-time for user power consumption information
User is sent to by Zigbee network agreement.
Audible alarm module：After the intelligent micro-circuit breaker device detects line fault, in MCU module control relay
While disconnecting power circuit, acoustical signal of the frequency for 1Hz is sent, remind user to exclude line fault in time.Once circuit
Failture evacuation, after relay is re-closed, alarm signal is released.User can manually or long distance wireless mode is making this
Intelligent micro-circuit breaker is re-closed, so as to form performance loop.
Software flow is：
On intelligent micro-circuit breaker after electricity, completed to electric power detection module, buzzer warning module, relay output first
Module and the initialization of Zigbee module.Then user is waited to send dependent instruction.
User can send the instruction of two big class, and one kind is collection electricity instruction, and another kind is Control instruction.When with
When family needs to check power consumption information, can be adopted by supporting the equipment of Zigbee communication agreement to send to intelligent micro-circuit breaker
Collection electricity instruction.After intelligent micro-circuit breaker receives the collection electricity instruction of user, by electric power detection module according to certain
Information about power collection is carried out to test line using frequency, then user is sent to by Zigbee protocol.
When road fault, MCU control module is by analyzing the instantaneous power consumption INFORMATION DISCOVERY quilt that electric power detection module is sampled
When surveying loop fault, while control relay output module contact disconnects, control buzzer warning module sends sound report
Alert.
When tested loop fault is not discharged, relay is constantly in off-state, and buzzer sends sound report always
Alert.After tested loop fault is excluded, intelligent micro-circuit breaker once receives the relay contact closure instruction of user's transmission,
MCU control module will release audible alarm, while the control relay output module closing of contact, so that tested loop is closed
Close.
Claims (9)
1. a kind of intelligent micro-circuit breaker based on Zigbee radio communication, it is characterised in that：Including supply module, electric power detection
Module, relay output module, MCU control module and Zigbee wireless communication module and buzzer warning module, the power supply
Module is used for being powered the electric power detection module, the MCU control module and the Zigbee wireless communication module, institute
State MCU control module respectively with electric power detection module, relay output module, buzzer warning module and Zigbee radio communication
Module carries out circuit connection, and the electricity consumption data that the MCU control module is gathered according to the electric power detection module is to the relay
Device output module and buzzer warning module are controlled, and can be by power consumption information by the Zigbee radio communication mold
Block passes to user, and user can assign instruction with to relay via the Zigbee wireless communication module to MCU control module
Device output module is controlled.
2. the intelligent micro-circuit breaker based on Zigbee radio communication according to claim 1, it is characterised in that：The confession
Electric circuit module turns DC5V circuit comprising AC220V and DC5V turns DC3.3V circuit.
3. the intelligent micro-circuit breaker based on Zigbee radio communication according to claim 1, it is characterised in that：The electricity
Amount detection module can measure active, idle and apparent energy, sample waveform and electric current and voltage effective value, two current-differencings
Sense channel can be respectively used to detect live wire and neutral line current, with anti-stealing electricity function.
4. the intelligent micro-circuit breaker based on Zigbee radio communication according to claim 1, it is characterised in that：Described continue
Electrical equipment output module can control single-phase live wire normally-closed contact to disconnect or close, according to the electric current that electric power detection module is detected
Whether numerical value reaches the threshold of device disconnects to determine whether or closes the relay contact on single-phase live wire, so as to for
User provides electricity protection function.
5. the intelligent micro-circuit breaker based on Zigbee radio communication according to claim 1, it is characterised in that：Described
MCU control module is communicated with electric power detection module by SPI interface, can pass through SPI communication to the electric power detection mould
The information about power that block is collected is analyzed, and is then uploaded to user or according to electricity by the Zigbee wireless communication module
Amount information is controlling disconnection or the closure of the relay module.
6. the intelligent micro-circuit breaker based on Zigbee radio communication according to claim 1, it is characterised in that：The honeybee
Ring device alarm module is controlled by the MCU control module, in generation electrification, can send sound report of the frequency for 1Hz
Alert signal, to remind user rear end to occur using electric fault.
7. the intelligent micro-circuit breaker based on Zigbee radio communication according to claim 1, it is characterised in that：Described
MCU control module and the Zigbee wireless communication module are integrated in a chip.
8. the intelligent micro-circuit breaker based on Zigbee radio communication according to claim 7, it is characterised in that：The core
Piece adopts CC2538 chip.
9. the intelligent micro-circuit breaker device based on Zigbee radio communication according to claim 1, it is characterised in that：Institute
Zigbee wireless communication module is stated using Zigbee wireless communication protocol, can support that the equipment of the communication protocol is automatic with other
Networking, so as to provide the user broader expanded function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610957978.6A CN106451780A (en) | 2016-10-27 | 2016-10-27 | Intelligent miniature circuit breaker based on Zigbee wireless communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610957978.6A CN106451780A (en) | 2016-10-27 | 2016-10-27 | Intelligent miniature circuit breaker based on Zigbee wireless communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106451780A true CN106451780A (en) | 2017-02-22 |
Family
ID=58179667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201610957978.6A Pending CN106451780A (en) | 2016-10-27 | 2016-10-27 | Intelligent miniature circuit breaker based on Zigbee wireless communication |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109542066A (en) * | 2018-12-04 | 2019-03-29 | 江苏汉东机械有限公司 | A kind of industrial automation system alarmed and be automatically switched |
| CN110086258A (en) * | 2019-05-09 | 2019-08-02 | 深圳德微电技术有限公司 | A kind of method that breaker carries out switch connection using wireless telecommunications |
| CN114024793A (en) * | 2021-11-03 | 2022-02-08 | 金恪建筑装饰工程有限公司 | Intelligent household energy control method |
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| CA2873492A1 (en) * | 2012-06-11 | 2013-12-09 | Schneider Electric USA, Inc. | Wireless branch circuit energy monitoring system |
| CN105226817A (en) * | 2015-09-25 | 2016-01-06 | 安徽理工大学 | A kind of intelligent family circuit breaker based on Internet of Things and using method thereof |
| CN206313529U (en) * | 2016-10-27 | 2017-07-07 | 中国航天空气动力技术研究院 | Intelligent micro-circuit breaker based on Zigbee radio communications |
-
2016
- 2016-10-27 CN CN201610957978.6A patent/CN106451780A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102074855A (en) * | 2010-11-24 | 2011-05-25 | 天津大学 | Zigbee technology-based wireless intelligent socket for monitoring fine grit electric quantity |
| CA2873492A1 (en) * | 2012-06-11 | 2013-12-09 | Schneider Electric USA, Inc. | Wireless branch circuit energy monitoring system |
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| CN206313529U (en) * | 2016-10-27 | 2017-07-07 | 中国航天空气动力技术研究院 | Intelligent micro-circuit breaker based on Zigbee radio communications |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109542066A (en) * | 2018-12-04 | 2019-03-29 | 江苏汉东机械有限公司 | A kind of industrial automation system alarmed and be automatically switched |
| CN110086258A (en) * | 2019-05-09 | 2019-08-02 | 深圳德微电技术有限公司 | A kind of method that breaker carries out switch connection using wireless telecommunications |
| CN114024793A (en) * | 2021-11-03 | 2022-02-08 | 金恪建筑装饰工程有限公司 | Intelligent household energy control method |
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Application publication date: 20170222 |
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