CN107528388A - Lump type smart home electricity consumption management in details system - Google Patents
Lump type smart home electricity consumption management in details system Download PDFInfo
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- CN107528388A CN107528388A CN201710863018.8A CN201710863018A CN107528388A CN 107528388 A CN107528388 A CN 107528388A CN 201710863018 A CN201710863018 A CN 201710863018A CN 107528388 A CN107528388 A CN 107528388A
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- 230000005611 electricity Effects 0.000 title claims abstract description 120
- 238000005259 measurement Methods 0.000 claims abstract description 59
- 238000011068 loading method Methods 0.000 claims abstract description 50
- 230000003750 conditioning effect Effects 0.000 claims abstract description 23
- 238000005070 sampling Methods 0.000 claims abstract description 22
- 230000007935 neutral effect Effects 0.000 claims abstract description 21
- 238000004891 communication Methods 0.000 claims abstract description 17
- 238000004364 calculation method Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000008569 process Effects 0.000 claims abstract description 8
- 238000007726 management method Methods 0.000 claims description 28
- 238000011217 control strategy Methods 0.000 claims description 10
- 238000004458 analytical method Methods 0.000 claims description 7
- 238000013500 data storage Methods 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 2
- HPDFFVBPXCTEDN-UHFFFAOYSA-N copper manganese Chemical compound [Mn].[Cu] HPDFFVBPXCTEDN-UHFFFAOYSA-N 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 238000012986 modification Methods 0.000 description 11
- 230000004048 modification Effects 0.000 description 11
- 230000008859 change Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000013523 data management Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 2
- 206010068052 Mosaicism Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 210000003765 sex chromosome Anatomy 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
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- H02J13/0062—
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- H02J13/0075—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
- H02J2310/50—The network for supplying or distributing electric power characterised by its spatial reach or by the load for selectively controlling the operation of the loads
- H02J2310/56—The network for supplying or distributing electric power characterised by its spatial reach or by the load for selectively controlling the operation of the loads characterised by the condition upon which the selective controlling is based
- H02J2310/62—The condition being non-electrical, e.g. temperature
- H02J2310/64—The condition being economic, e.g. tariff based load management
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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
- 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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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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
- Y04S20/242—Home appliances
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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
- 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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a kind of lump type smart home electricity consumption management in details system, including signal acquisition module, signal transacting and control module, power module, communication and intelligent control module, power control module and household electricity circuit；Signal acquisition module includes live wire current sampling circuit, neutral line current sample circuit and voltage sampling circuit；Signal transacting and control module include single-phase measurement chip, signal conditioning circuit, analog-digital converter and microprocessor；Communication includes WiFi module, WiFi routers, cloud server and intelligent terminal with intelligent terminal module；Power control module includes earth leakage circuit breaker, gate-controlled switch group and switch driving circuit；Household electricity circuit includes M single-phase electric loadings；The invention also provides a kind of calculation process of smart home electricity consumption details, can realize that electricity consumption becomes more meticulous while household electricity intelligent control is realized and measure and manage, while can also realize the monitoring and management of the smart home electricity consumption quality of power supply.
Description
Technical field
The invention belongs to management of power use technical field, more particularly to a kind of smart home electricity consumption management in details system, specifically
It is a kind of lump type smart home electricity consumption management in details system that ground, which is said,.
Background technology
Smart home can economically provide comfortable living environment, because what people were required quality of life constantly carries
Height, smart home increasingly attract attention, and as a kind of Novel electric system, its electricity consumption total amount will increase smart home year by year, modern
Afterwards by as the important electricity consumption object of power system.One power consumption characteristics of smart home are can to control each household electricity
Load, this just provides possibility for smart home electricity consumption management in details, and the management to smart home electricity consumption details contributes to
To the fine electric energy metering of the Novel electric system power consumption, this can help people to establish living environment comfort level and household
Relation between electricity consumption details, so as to economically select and configure household electricity load, reach and save equipment and use
The purpose that electric cost, the optimization energy use.In addition, the monitoring for the electric energy loaded quality of each household electricity of smart home, has
Promotion beneficial to management improves all kinds of household electricity loads, the i.e. quality of power supply of household electrical appliance, improves resident in power system and uses
The power quality at family.
Existing smart home power consuming administrative system is mainly powered to socket by smart jack and control terminal etc. and loaded
Electricity consumption details be monitored and control, but need on each smart jack install ic for energy metering, with WiFi module
Microprocessing systems and switching device, each smart jack are required for being calibrated, therefore the problem of bring cost and workload.
Power consumption can be measured using electric energy computation chip on smart jack, but some electric energy computation chips do not have the quality of power supply
Detection function.Each smart jack will be communicated with control terminal, this adds increased the complexity of system communication and reliably
Sex chromosome mosaicism.Therefore a kind of lump type smart home electricity consumption management in details system is proposed here, it is mainly by signal acquisition module, letter
Number processing and the composition such as control module, power module, communication and intelligent control module and power control module, and employ residence and use
The technologies such as electric control strategy, lump type electricity consumption detail analysis, Power Quality Detection, internet communication, carrying out household electricity intelligence
While controlling, the electricity consumption detail data management including power quality data is realized, system that employs lump type side
Case simultaneously devises two parallel electric energy metered systems so that level of integrated system high reliability is strong, and reduces hardware cost.
Such lump type smart home electricity consumption management in details system there are no patent and document report at present.
The content of the invention
The technical problems to be solved by the invention：A kind of lump type smart home electricity consumption management in details system is proposed, this is
While household electricity intelligent control is realized analysis intelligence can be calculated on the basis of live wire electric current is registered one's residence in only measurement in system
Household electricity details and the data management for realizing electricity consumption details, smart home electricity consumption details include the power consumption of each household load
And power quality data, the system contributes to smart home electricity consumption to become more meticulous metering and management, while is advantageously implemented extensive
The monitoring and management of the smart home electricity consumption quality of power supply.
Technical scheme：A kind of lump type smart home electricity consumption management in details system, it includes signal acquisition mould
Block, signal transacting and control module, power module, communication and intelligent control module, power control module and household electricity circuit；
Signal acquisition module includes live wire current sampling circuit, neutral line current sample circuit and phase voltage sample circuit, wherein live wire electricity
Stream sample circuit is made up of first resistor, second resistance, 3rd resistor, the first electric capacity and the second electric capacity, neutral line current sampling electricity
Routing current transformer, the 4th resistance, the 5th resistance, the 6th resistance, the 3rd electric capacity and the 4th electric capacity composition, phase voltage sampling electricity
It route the 7th resistance, the 8th resistance and the 5th electric capacity composition；Signal transacting and control module include single-phase measurement chip, signal is adjusted
Manage circuit, analog-digital converter and microprocessor；Communication includes WiFi module, WiFi routers, high in the clouds clothes with intelligent terminal module
Business device and intelligent terminal；Power control module includes earth leakage circuit breaker, gate-controlled switch group and switch driving circuit, controllable to open
Pass group contains M switch, i.e. the M switch such as first switch, second switch, M switches；It is individual single-phase that household electricity circuit includes M
The M load such as family's electric loading, i.e., the first load, the second load, M loads；One end of first resistor respectively with power firestreak,
One end of two resistance is connected with potential reference end, and one end with 3rd resistor, power module are fiery respectively for the other end of first resistor
Line input is connected with earth leakage circuit breaker live wire input, the other end of second resistance respectively one end with the first electric capacity,
One end of single-phase measurement chip live wire current sample port is connected with one end of signal conditioning circuit live wire current sample port, the
The other end of three resistance one end with the second electric capacity, the other end and signal of single-phase measurement chip live wire current sample port respectively
The other end of modulate circuit live wire current sample port is connected, the other end of the first electric capacity respectively with the other end of the second electric capacity and
Potential reference end is connected；The one end of Same Name of Ends of current transformer respectively with zero-power line and the 7th resistance is connected, electric current
Non-same polarity of transformer is connected with power module zero line input and earth leakage circuit breaker zero line input respectively, the
One end of four resistance is connected with the secondary Same Name of Ends of current transformer and one end of the 5th resistance respectively, the other end of the 4th resistance
It is connected respectively with the secondary non-same polarity of current transformer and one end of the 6th resistance, the other end of the 5th resistance is respectively with the 3rd
One end of electric capacity is connected with one end of single-phase measurement chip neutral line current sample port, and the other end of the 6th resistance is respectively with the 4th
One end of electric capacity is connected with the other end of single-phase measurement chip neutral line current sample port, and the other end of the 3rd electric capacity is respectively with
The other end of four electric capacity is connected with potential reference end；The other end of 7th resistance one end with the 8th resistance, the 5th electric capacity respectively
One end, one end of single-phase measurement chip phase voltage sample port and one end phase of signal conditioning circuit phase voltage sample port
Even, the other end of the 8th resistance, the other end of the 5th electric capacity, the other end and signal of single-phase measurement chip phase voltage sample port
The other end of modulate circuit phase voltage sample port is connected with potential reference end respectively；Second resistance, 3rd resistor, the first electric capacity
First Anti-aliasing Filter Circuits is constituted with the second electric capacity, first Anti-aliasing Filter Circuits difference output live wire electric current flows through
Voltage signal caused by first resistor；Current transformer is converted to neutral line current in zero line double measurement electric current in proportion, the
Five resistance, the 6th resistance, the 3rd electric capacity and the 4th electric capacity constitute second Anti-aliasing Filter Circuits, second anti-aliasing filter
Circuit difference output zero line double measurement electric current flows through voltage signal caused by the 4th resistance；First Anti-aliasing Filter Circuits
With the two-way voltage signal while input single-phase computation chip of second Anti-aliasing Filter Circuits output, single-phase measurement core can be made
Piece realizes anti-stealing electricity function；The voltage output signal of live wire current sampling circuit and phase voltage sample circuit is respectively through signal condition
Corresponding digital sampled signal is converted into by analog-digital converter after circuit conditioning, microprocessor receives the output of single-phase measurement chip
The data signal such as electric energy and frequency, microprocessor receive the phase voltage and live wire current sample letter of analog-digital converter output simultaneously
Number, then microprocessor calculates live wire fundamental current, live wire harmonic wave electricity according to the sampled signal of frequency, phase voltage and live wire electric current
Stream, phase voltage, active power, reactive power and electric energy；Power module is respectively to signal transacting and the single-phase measurement of control module
Chip, signal conditioning circuit, analog-digital converter, gate-controlled switch group and the switch drive electricity of microprocessor and power control module
Road provides working power；The M switch difference load of control first correspondingly such as first switch, second switch, M switches,
Second load, M load etc. M family's electric loading break-make, M family's electric loading by earth leakage circuit breaker fire wire output end with
The single phase poaer supply port power supply that zero line output end is formed, M switch are separately mounted to earth leakage circuit breaker fire wire output end and M
Between the live wire input of individual family's electric loading, the zero line output end of earth leakage circuit breaker and the zero line of M family's electric loading input
End is connected, and M family's electric loading is all configured with ground wire binding post, and switch driving circuit performs the switch control from microprocessor
Order controls M, first switch, second switch, M switches etc. to switch on-off respectively；Microprocessor by serial ports realize with
Communication between WiFi module, WiFi module realize the wireless telecommunications with WiFi routers, high in the clouds under control of the microprocessor
Server is exchanged respectively with WiFi routers and intelligent terminal by internet and data storage；Intelligent terminal can be inputted and adjusted
Whole smart home power consumption control strategy, smart home power consumption control strategy deposit cloud server, cloud server is according in advance
The actual conditions such as the smart home power consumption control strategy of setting and household electricity details produce each switch of gate-controlled switch group
Break-make instructs, and break-make instruction only changes one and switches on-off state when updating every time, microprocessor is according to the logical of each switch
Severed finger order produces the switch control command of switch driving circuit；The electric energy and pass through phase voltage and live wire that single-phase measurement chip exports
The electric energy that the sampled signal of electric current is calculated all represents the power consumption at whole family, and the two electric energy measurement results can mutually compare
Compared with and checking；Household electricity details is the electricity consumption situation of each single-phase electric loading, and household electricity detailed information is by entering
The analysis of family phase voltage and the sampled signal of live wire electric current and each single-phase electric loading is calculated with electrically separated, family
Electricity consumption detailed information deposit cloud server is occupied, cloud server establishes household electricity detailed information database, and intelligent terminal can
Call the data of household electricity detailed information database to be shown, calculated and manage etc. to operate.
The present invention proposes a kind of calculation process of smart home electricity consumption details, and it is each that the calculation process is based on break-make instruction
Only change a condition for switching on-off state, after starting calculating, step 1 during renewal：Measure the stable state fundamental wave of each load
Electric current；Step 2：Original state is set, and all switches are all in original off-state, phase voltage of registering one's residence, the fundamental wave of live wire electric current
Harmonic electric current, power consumption, the fundamental wave harmonic current measurement value of each electric loading are all set to zero initial value, set load judgment
Current error ratio limits and live wire curent change limit value, the electricity consumption detailed information value of statistical indicant each loaded are set as 1,1 representative
Effectively, 0 represent it is invalid；Step 3：Register one's residence phase voltage and the sampled signal of live wire electric current are read, calculates live wire current first harmonics amount；Step
Rapid 4：Judge whether switch on and off instruction has renewal, be then to enter step 5, otherwise into step 12；Step 5：Whether finger is opened
Order, is then to enter step 6, otherwise into step 11；Step 6：Calculate live wire current first harmonics knots modification, the knots modification of harmonic current
And end active power variable quantity of registering one's residence；Step 7：Live wire current first harmonics knots modification household electrical appliances corresponding with the switch opened are calculated to bear
The difference of the specified fundamental current carried, judges whether the absolute value of the difference is less than load judgment current error ratio limits with being somebody's turn to do
The product of the specified fundamental current of family's electric loading, is then to enter step 8, otherwise into step 9；Step 8：Provisioning instruction switch pair
The electricity consumption detailed information value of statistical indicant of family's electric loading is answered to be set to 1, subsequently into step 10；Step 9：The corresponding household electrical appliances of provisioning instruction switch
The electricity consumption detailed information value of statistical indicant of load is set to 0, subsequently into step 10；Step 10：Family's electric loading corresponding to the switch opened
Active power be equal to active power variable quantity, the current first harmonics measured value harmonic electric current of the corresponding family's electric loading of the switch opened
Measured value is respectively equal to the live wire current first harmonics knots modification harmonic electric current knots modification that step 6 obtains, subsequently into step 12；Step
Rapid 11：The active power of the corresponding family's electric loading of switch of disconnection, current first harmonics measured value harmonic current measurement value are all set to zero,
Then turn to step 12；Step 12：The power consumption of each electric loading is calculated and updated according to the active power of each electric loading, so
Rear steering step 3.Calculated more than, obtain the household electricities such as power consumption, the fundamental current harmonic electric current of each electric loading
Details, cloud server timing receipt household electricity details are simultaneously managed.
Preferably, first resistor uses copper-manganese resistance of the resistance for 2m Ω, second resistance, 3rd resistor, the 5th resistance,
6th resistance and the 8th resistance use purely resistive precision resistance of the resistance for 1K Ω, and the 4th resistance uses resistance as 100m Ω's
Purely resistive precision resistance, the 7th resistance are in series by the purely resistive precision resistance that five resistances are 200K Ω, the first electric capacity, the
Two electric capacity, the 3rd electric capacity, the 4th electric capacity and the 5th equal adopted value of electric capacity are 33nF ceramic condenser.
Preferably, the single-phase measurement chip selected has three phase voltage, live wire electric current and neutral line current signals simultaneously
Input port, and the data signal of electric energy and frequency can be exported.
Lump type smart home electricity consumption management in details system of the present invention is used for alternating current 220V/50Hz, peak power 5kW intelligence
The management of power use of household, first resistor maximum operating currenbt are 25A, and class of accuracy is 0.2 grade；The maximum of current transformer
Rated transformation ratio is 25A/5A, and class of accuracy is 0.2 grade；The electric energy metrical degree of accuracy of single-phase measurement chip is 2 grades, analog-digital converter
Using 16 A/D chips of multichannel, live wire electric current maximum harmonic measure number is the maximum of each switch in 11, M switch
Operating current is 10A, and the time that cloud server exchanges data with WiFi routers and intelligent terminal can be in 1min to 30min
Between select.
The benefit that the present invention is brought is that (1) lump type smart home electricity consumption management in details system is mainly by signal acquisition mould
Block, signal transacting and control module, power module, communication and intelligent control module and power control module etc. form, and employ
The technologies such as power consumption control strategy, lump type electricity consumption detail analysis, Power Quality Detection, internet communication are occupied, are carrying out household use
While electric intelligent control, electricity consumption detail data management is realized, contributes to smart home electricity consumption to become more meticulous and measures and manage, together
When be advantageously implemented the monitoring and management of the extensive smart home electricity consumption quality of power supply；(2) lump type design is employed, is made
Level of integrated system is high, hardware cost reduces, and the design of lump type mainly includes two aspects, first be according only to register one's residence electric current and
Phase voltage sampled data must arrive household electricity detailed information, and second is that to control smart home electricity consumption with a microprocessor thin
Save the main functional modules such as signal acquisition module, signal transacting and control module and the power control module of management system；(3) system
Electric energy metrical of uniting is highly reliable, employs two parallel electric energy metered systems, and one is by live wire electric current and phase voltage sampling
The electric energy metered system that circuit, signal conditioning circuit, analog-digital converter and microprocessor form, another is by live wire electric current and phase
The electric energy metered system of voltage sampling circuit, single-phase measurement chip and microprocessor composition, the two electric energy metered systems are simultaneously
The electricity consumption total amount of whole user is obtained, therefore can mutually confirm the result of measurement.In addition, single-phase measurement chip is to live wire electric current
Being served with sampling while neutral line current prevents the effect of stealing；(4) can be with by signal conditioning circuit and analog-digital converter
The sampled signal of live wire electric current and phase voltage is obtained, based on these sampled signals, can easily carry out an electric loading electricity consumption electricity
The analysis of energy quality, the analysis of particularly each load harmonic current.
Brief description of the drawings
Fig. 1 is lump type smart home electricity consumption management in details system construction drawing；
In figure：1 it is signal acquisition module, 2 be signal transacting and control module, 3 be power module, 4 is communication and intelligence
Control module, 5 be power control module, 6 be household electricity circuit, 7 be live wire current sampling circuit, 8 be neutral line current sampling
Circuit, 9 be phase voltage sample circuit, 10 be first resistor, 11 be second resistance, 12 be 3rd resistor, 13 be the first electric capacity, 14
Be the second electric capacity, 15 be current transformer, 16 be the 4th resistance, 17 be the 5th resistance, 18 be the 6th resistance, 19 be the 3rd electricity
Hold, 20 be the 4th electric capacity, 21 be the 7th resistance, 22 be the 8th resistance, 23 be the 5th electric capacity, 24 be single-phase measurement chip, 25 be
Signal conditioning circuit, 26 be analog-digital converter, 27 be microprocessor, 28 be WiFi module, 29 be WiFi routers, 30 be high in the clouds
Server, 31 be intelligent terminal, 32 be earth leakage circuit breaker, 33 be gate-controlled switch group, 34 be switch driving circuit, 35 be
One switch, 36 be second switch, 37 be M switch, 38 be the first load, 39 be the second load, 40 be M load.
Fig. 2 is a kind of calculation flow chart for household electricity details that the present invention uses；
In figure：Sk is kth step (k=1,2...12), INStable state fundamental current, the U for being an electric loading are mutually electricity of registering one's residence
It is live wire current sampling signal, Δ I to press sampled signal, I1It is live wire current first harmonics knots modification, Δ IhIt is live wire current harmonics electric current
Knots modification, register one's residence end active power variable quantity, δ of Δ P be that load judgment current error ratio limits, P are an electric loadings
Wattful power messurement value, I1It is fundamental current measured value, the I of an electric loadinghIt is the harmonic current measurement value of an electric loading.
Embodiment
Lump type smart home electricity consumption management in details system proposed by the present invention, embodiment as depicted in figs. 1 and 2, it
Including signal acquisition module 1, signal transacting and control module 2, power module 3, communication and intelligent control module 4, power supply control
Module 5 and household electricity circuit 6；Signal acquisition module 1 includes live wire current sampling circuit 7, neutral line current sample circuit 8 and phase
Voltage sampling circuit 9, wherein live wire current sampling circuit 7 are by first resistor 10, second resistance 11, the electricity of 3rd resistor 12, first
Hold 13 and second electric capacity 14 form, neutral line current sample circuit 8 is by current transformer 15, the 4th resistance 16, the 5th resistance 17, the
Six resistance 18, the 3rd electric capacity 19 and the 4th electric capacity 20 form, and phase voltage sample circuit 9 is by the 7th resistance 21, the and of the 8th resistance 22
5th electric capacity 23 forms；Signal transacting and control module 2 include single-phase measurement chip 24, signal conditioning circuit 25, analog-to-digital conversion
Device 26 and microprocessor 27；Communication includes WiFi module 28, WiFi routers 29, cloud server 30 with intelligent terminal module 4
With intelligent terminal 31；Power control module 5 includes earth leakage circuit breaker 32, gate-controlled switch group 33 and switch driving circuit 34,
Gate-controlled switch group 33 contains M switch, i.e. M first switch 35, second switch 36, M switches 37 etc. switch；Household electricity electricity
Road 6 includes M single-phase electric loadings, i.e., M first the 38, second load 39 of load, M loads 40 etc. load；First resistor 10
One end be connected respectively with power firestreak, one end of second resistance 11 and potential reference end, the other end of first resistor 10 difference
One end, the live wire input of power module 3 and the live wire input of earth leakage circuit breaker 32 with 3rd resistor 12 are connected, the second electricity
The other end one end with the first electric capacity 13, one end of the live wire current sample port of single-phase measurement chip 24 and the signal respectively of resistance 11
One end of the live wire current sample port of modulate circuit 25 is connected, the other end of 3rd resistor 12 respectively with the second electric capacity 14 one
End, the other end of the live wire current sample port of single-phase measurement chip 24 and the live wire current sample port of signal conditioning circuit 25 it is another
One end is connected, and the other end of the first electric capacity 13 is connected with the other end of the second electric capacity 14 and potential reference end respectively；Current Mutual Inductance
The one end of Same Name of Ends of device 15 respectively with zero-power line and the 7th resistance 21 is connected, current transformer 15 it is once non-of the same name
End is connected with the zero line input of power module 3 and the zero line input of earth leakage circuit breaker 32 respectively, one end of the 4th resistance 16
Be connected respectively with the secondary Same Name of Ends of current transformer 15 and one end of the 5th resistance 17, the other end of the 4th resistance 16 respectively with
The secondary non-same polarity of current transformer 15 and one end of the 6th resistance 18 are connected, and the other end of the 5th resistance 17 is respectively with the 3rd
One end of electric capacity 19 is connected with one end of the neutral line current sample port of single-phase measurement chip 24, the other end difference of the 6th resistance 18
Be connected with one end of the 4th electric capacity 20 and the other end of the neutral line current sample port of single-phase measurement chip 24, the 3rd electric capacity 19 it is another
One end is connected with the other end of the 4th electric capacity 20 and potential reference end respectively；The other end of 7th resistance 21 respectively with the 8th resistance
22 one end, one end of the 5th electric capacity 23, one end of the phase voltage sample port of single-phase measurement chip 24 and signal conditioning circuit 25
One end of phase voltage sample port is connected, the other end of the 8th resistance 22, the other end, the single-phase measurement chip 24 of the 5th electric capacity 23
The other end of phase voltage sample port and the other end of the phase voltage sample port of signal conditioning circuit 25 respectively with potential reference end
It is connected；Second resistance 11,3rd resistor 12, the first electric capacity 13 and the second electric capacity 14 constitute first Anti-aliasing Filter Circuits,
First Anti-aliasing Filter Circuits difference output live wire electric current flows through voltage signal caused by first resistor 10；Current transformer
15 are converted to neutral line current zero line double measurement electric current, the 5th resistance 17, the 6th resistance 18, the 3rd electric capacity 19 and in proportion
Four electric capacity 20 constitute second Anti-aliasing Filter Circuits, second Anti-aliasing Filter Circuits difference output zero line double measurement electricity
Stream flows through voltage signal caused by the 4th resistance 16；First Anti-aliasing Filter Circuits and second Anti-aliasing Filter Circuits are defeated
The two-way voltage signal while input single-phase computation chip 24 gone out, can make single-phase measurement chip 24 realize anti-stealing electricity function；Fire
The voltage output signal of line current sample circuit 7 and phase voltage sample circuit 9 is turned after the conditioning of signal conditioning circuit 25 by modulus
Parallel operation 26 is converted into corresponding digital sampled signal, and microprocessor 27 receives electric energy and frequency of the output of single-phase measurement chip 24 etc.
Data signal, microprocessor 27 receive the phase voltage and live wire current sampling signal of the output of analog-digital converter 26, Ran Houwei simultaneously
Processor 27 calculates live wire fundamental current, mutually live wire harmonic current, electricity according to the sampled signal of frequency, phase voltage and live wire electric current
Pressure, active power, reactive power and electric energy；Power module 3 is respectively to signal transacting and the single-phase measurement chip of control module 2
24th, the gate-controlled switch group 33 of signal conditioning circuit 25, analog-digital converter 26, microprocessor 27 and power control module 5 and open
Close drive circuit 34 and working power is provided；First switch 35, second switch 36, M switch the M switches such as 37 and corresponded respectively
The 38, second load 39 of the first load of ground control, the break-make of the M family's electric loading of M loads 40 etc., M family's electric loading are protected by electric leakage
The single phase poaer supply port power supply of the fire wire output end and zero line output end composition of breaker 32 is protected, M switch is separately mounted to leak
Between the live wire input of the fire wire output end of electric protection breaker 32 and M family's electric loading, the zero line of earth leakage circuit breaker 32
Output end is connected with the zero line input of M family's electric loading, and M family's electric loading is all configured with ground wire binding post, switch drive
Circuit 34 performs the switch control command from microprocessor 27 and controls first switch 35, second switch 36, M switches 37 respectively
Switched on-off Deng M；Microprocessor 27 realizes the communication between WiFi module 28 by serial ports, and WiFi module 28 is in Wei Chu
Manage realized under the control of device 27 with the wireless telecommunications of WiFi routers 29, cloud server 30 by internet respectively with WiFi roads
By device 29 and intelligent terminal 31 exchanges and data storage；Intelligent terminal 31 can input and adjust smart home power consumption control plan
Slightly, smart home power consumption control strategy deposit cloud server 30, cloud server 30 are used according to the smart home pre-set
The actual conditions such as electric control strategy and household electricity details generation gate-controlled switch group 33 is each to switch on-off instruction, and break-make refers to
Order only changes one and switches on-off state when updating every time, microprocessor 27 switches on-off instruction generation switch according to each
The switch control command of drive circuit 34；The electric energy and the sampling by phase voltage and live wire electric current that single-phase measurement chip 24 exports
The electric energy that signal of change obtains all represents the power consumption at whole family, therefore the two electric energy measurement results can be compared to each other and test
Card；Household electricity details is the electricity consumption situation of each single-phase electric loading, and household electricity detailed information is by mutually electricity of registering one's residence
Pressure and the sampled signal of live wire electric current are analyzed and each single-phase electric loading are calculated with electrically separated, and household is used
Electric detailed information is stored in cloud server 30, and cloud server 30 establishes household electricity detailed information database, intelligent terminal 31
Household electricity detailed information database data can be called the operation such as to be shown, calculated and managed.
The present invention proposes a kind of calculation process of smart home electricity consumption details, and it is each that the calculation process is based on break-make instruction
Only change a condition for switching on-off state, after starting calculating, S1 during renewal：Measure the stable state fundamental wave electricity of each load
Stream；S2：Original state is set, and all switches are all in original off-state, phase voltage of registering one's residence, the fundamental wave harmonic of live wire electric current
Electric current, power consumption, the fundamental wave harmonic current measurement value of each electric loading are all set to zero initial value, set load judgment electric current to miss
Poor ratio limits and live wire curent change limit value, the electricity consumption detailed information value of statistical indicant each loaded are set as 1,1 representative effectively, and 0
It is invalid to represent；S3：Register one's residence phase voltage and the sampled signal of live wire electric current are read, calculates live wire current first harmonics amount；S4：Judge switch
Whether break-make instruction has renewal, is then to enter S5, otherwise into S12；S5：Whether provisioning instruction, be then to enter S6, otherwise enter
S11；S6：Calculate live wire current first harmonics knots modification, the knots modification of harmonic current and end active power variable quantity of registering one's residence；S7：Meter
The difference of the specified fundamental current of live wire current first harmonics knots modification family's electric loading corresponding with the switch opened is calculated, judges the difference
Absolute value whether be less than load judgment current error ratio limits and family's electric loading specified fundamental current product, be then
Into S8, otherwise into S9；S8：The electricity consumption detailed information value of statistical indicant of the corresponding family's electric loading of provisioning instruction switch is set to 1, Ran Houjin
Enter S10；S9：The electricity consumption detailed information value of statistical indicant of the corresponding family's electric loading of provisioning instruction switch is set to 0, subsequently into S10；S10：Open
The active power of family's electric loading corresponding to logical switch is equal to active power variable quantity, the electricity of the corresponding family's electric loading of the switch opened
Stream fundamental wave measured value harmonic current measurement value is respectively equal to the live wire current first harmonics knots modification harmonic electric current that S6 is obtained and changed
Amount, subsequently into S12；S11：The active power of the corresponding family's electric loading of switch of disconnection, current first harmonics measured value harmonic electric current
Measured value is all set to zero, then turns to S12；S12：Calculated according to the active power of each electric loading and update each electric loading
Power consumption, then turn to S3.Calculated more than, obtain the families such as power consumption, the fundamental current harmonic electric current of each electric loading
Electricity consumption details is occupied, the timing receipt household electricity details of cloud server 30 is simultaneously managed.
The present embodiment specific design parameter is：
Lump type smart home electricity consumption management in details system of the present invention is used for alternating current 220V/50Hz, power 3kW smart homes
The management of power use, the resistance of first resistor 10 is 2m Ω, and operating current 20A, class of accuracy is 0.2 grade, second resistance 11,
3rd resistor 12, the 5th resistance 17, the 6th resistance 18, the resistance of the 8th resistance 22 are 1K Ω, and the resistance of the 4th resistance 16 is 100m
Ω, five 200K Ω resistant series form the 7th resistance 21, the first electric capacity 13, the second electric capacity 14, the electricity of the 3rd electric capacity the 19, the 4th
The capacitance of the electric capacity 23 of appearance 20 and the 5th is 33nF；The nominal transformation ratio of current transformer 15 is 20A/5A, and class of accuracy is
0.2 grade；Single-phase measurement chip 24 is using the sharp micro- single-phase measurement chip RN8209D of energy, and analog-digital converter 26 is using 16 A/D of multichannel
Chip, live wire current harmonics pendulous frequency are 9, and microprocessor 27 uses the STM32F103RCT6 of 32, and WiFi module 28 uses
ATK-ESP8266 chips, WiFi routers 29 use TP-LINK wdr6500, and intelligent terminal 31 uses PC, first switch
35th, M second switch 36, M switches 37 etc. switch use solid-state relay HF32F-G-005-HS, cloud server 30 and
The time that WiFi routers 29 and intelligent terminal 31 exchange data can be selected in 1min between 30min.
The content not being described in detail in description of the invention belongs to the known technology of those skilled in the art.
It is to be understood that：Above-described embodiment is the description of the invention, rather than limitation of the present invention, any
Without departing from the innovation and creation in the range of true spirit, each fall within protection scope of the present invention.
Claims (5)
1. a kind of lump type smart home electricity consumption management in details system, including signal acquisition module (1), signal transacting and control mould
Block (2), power module (3), communication and intelligent control module (4), power control module (5) and household electricity circuit (6)；Signal
Acquisition module (1) includes live wire current sampling circuit (7), neutral line current sample circuit (8) and phase voltage sample circuit (9), its
Moderate heat line current sample circuit (7) by first resistor (10), second resistance (11), 3rd resistor (12), the first electric capacity (13) and
Second electric capacity (14) forms, and neutral line current sample circuit (8) is by current transformer (15), the 4th resistance (16), the 5th resistance
(17), the 6th resistance (18), the 3rd electric capacity (19) and the 4th electric capacity (20) composition, phase voltage sample circuit (9) is by the 7th resistance
(21), the 8th resistance (22) and the 5th electric capacity (23) composition；Signal transacting and control module (2) include single-phase measurement chip
(24), signal conditioning circuit (25), analog-digital converter (26) and microprocessor (27)；Communication includes with intelligent terminal module (4)
WiFi module (28), WiFi routers (29), cloud server (30) and intelligent terminal (31)；Power control module (5) includes
Earth leakage circuit breaker (32), gate-controlled switch group (33) and switch driving circuit (34), gate-controlled switch group (33) are opened containing M
Close, i.e. the M switch such as first switch (35), second switch (36), M switches (37)；Household electricity circuit (6) includes M list
The M load such as phase man electric loading, i.e., the first load (38), the second load (39), M loads (40)；The one of first resistor (10)
End is connected with power firestreak, one end of second resistance (11) and potential reference end respectively, the other end difference of first resistor (10)
One end, power module (3) live wire input and earth leakage circuit breaker (32) live wire input with 3rd resistor (12) are connected,
The other end of second resistance (11) one end with the first electric capacity (13), single-phase measurement chip (24) live wire current sample port respectively
One end be connected with one end of signal conditioning circuit (25) live wire current sample port, the other end of 3rd resistor (12) respectively with
One end of second electric capacity (14), the other end and signal conditioning circuit (25) of single-phase measurement chip (24) live wire current sample port
The other end of live wire current sample port is connected, the other end of the first electric capacity (13) respectively with the other end of the second electric capacity (14) and
Potential reference end is connected；Same Name of Ends of current transformer (15) one end phase with zero-power line and the 7th resistance (21) respectively
Even, a non-same polarity of current transformer (15) respectively with power module (3) zero line input and earth leakage circuit breaker
(32) zero line input is connected, and one end of the 4th resistance (16) is electric with the secondary Same Name of Ends of current transformer (15) and the 5th respectively
One end of resistance (17) is connected, the other end of the 4th resistance (16) the secondary non-same polarity and the 6th with current transformer (15) respectively
One end of resistance (18) is connected, the other end of the 5th resistance (17) one end with the 3rd electric capacity (19) and single-phase measurement chip respectively
(24) one end of neutral line current sample port is connected, the other end of the 6th resistance (18) respectively with one end of the 4th electric capacity (20) and
The other end of single-phase measurement chip (24) neutral line current sample port is connected, and the other end of the 3rd electric capacity (19) is electric with the 4th respectively
The other end for holding (20) is connected with potential reference end；The other end of 7th resistance (21) respectively one end with the 8th resistance (22),
One end of 5th electric capacity (23), one end of single-phase measurement chip (24) phase voltage sample port and signal conditioning circuit (25) are mutually electric
One end of pressure sample port is connected, the other end, the other end, the single-phase measurement chip of the 5th electric capacity (23) of the 8th resistance (22)
(24) other end of phase voltage sample port and the other end of signal conditioning circuit (25) phase voltage sample port respectively with current potential
Reference edge is connected；Second resistance (11), 3rd resistor (12), the first electric capacity (13) constitute first with the second electric capacity (14) and resisted
Aliasing filter circuit, first Anti-aliasing Filter Circuits difference output live wire electric current flow through voltage caused by first resistor (10)
Signal；Current transformer (15) is converted to neutral line current zero line double measurement electric current, the 5th resistance (17), the 6th electricity in proportion
Resistance (18), the 3rd electric capacity (19) and the 4th electric capacity (20) constitute second Anti-aliasing Filter Circuits, second anti-aliasing filter
Circuit difference output zero line double measurement electric current flows through voltage signal caused by the 4th resistance (16)；First anti-aliasing filter
Circuit and the two-way voltage signal while input single-phase computation chip (24) of second Anti-aliasing Filter Circuits output, it is possible to achieve
The anti-stealing electricity function of single-phase measurement chip (24)；The voltage output of live wire current sampling circuit (7) and phase voltage sample circuit (9)
Signal is converted into corresponding digital sampled signal, microprocessor after signal conditioning circuit (25) conditioning by analog-digital converter (26)
(27) receive the electric energy and the data signal such as frequency of single-phase measurement chip (24) output, microprocessor (27) while receive modulus and turn
The phase voltage and live wire current sampling signal of parallel operation (26) output, then microprocessor (27) is according to frequency, phase voltage and live wire
The sampled signal of electric current calculates live wire fundamental current, live wire harmonic current, phase voltage, active power, reactive power and electric energy；Electricity
Source module (3) is respectively to signal transacting and single-phase measurement chip (24), signal conditioning circuit (25), the modulus of control module (2)
The gate-controlled switch group (33) and switch driving circuit (34) of converter (26), microprocessor (27) and power control module (5)
Working power is provided；The M switches such as first switch (35), second switch (36), M switches (37) control correspondingly respectively
The break-make of M family's electric loadings such as the first load (38), the second load (39), M loads (40), M family's electric loading are protected by electric leakage
The single phase poaer supply port power supply of the fire wire output end and zero line output end composition of breaker (32) is protected, M switch is separately mounted to
Between the live wire input of earth leakage circuit breaker (32) fire wire output end and M family's electric loading, earth leakage circuit breaker (32)
Zero line output end be connected with the zero line input of M family's electric loading, M family's electric loading is all configured with ground wire binding post, opens
Close control command of drive circuit (34) execution from microprocessor (27) and control first switch (35), second switch respectively
(36), M switchs M such as (37) and switched on-off；Microprocessor (27) is realized between WiFi module (28) by serial ports
Communication, WiFi module (28) are realized and the wireless telecommunications of WiFi routers (29), high in the clouds clothes under the control of microprocessor (27)
Be engaged in device (30) by internet respectively with WiFi routers (29) and intelligent terminal (31) exchanges and data storage；Intelligent terminal
(31) it can input and adjust smart home power consumption control strategy, smart home power consumption control strategy deposit cloud server
(30), cloud server (30) is according to actual feelings such as the smart home power consumption control strategies and household electricity details pre-set
Condition generation gate-controlled switch group (33) is each to switch on-off instruction, and break-make instruction only changes one when updating every time and switched on-off
State, microprocessor (27) is according to each switch control command for switching on-off instruction and producing switch driving circuit (34)；It is single
The electric energy of phase computation chip (24) output and the electric energy being calculated by the sampled signal of phase voltage and live wire electric current all represent
Whole family power consumption, therefore the two electric energy measurement results can be compared to each other and verify；Household electricity details is each single-phase
The electricity consumption situation of family's electric loading, the household electricity detailed information in lump type smart home electricity consumption management in details system is by right
Phase voltage of registering one's residence and the sampled signal of live wire electric current carry out being calculated with electrically separated for analysis and each single-phase electric loading, family
Electricity consumption detailed information deposit cloud server (30) is occupied, cloud server (30) establishes household electricity detailed information database, intelligence
Energy terminal (31) can call household electricity detailed information database data to be shown, calculated and managed operation.
2. a kind of lump type smart home electricity consumption management in details system as claimed in claim 1, it is characterised in that propose one
The calculation process of kind household electricity details, the calculation process are only changed one when being updated every time based on break-make instruction and switched on-off
The condition of state, using the calculation process to registering one's residence electric current and phase voltage sampled data calculates, obtain household electricity details
Information.
3. a kind of lump type smart home electricity consumption management in details system as claimed in claim 1, it is characterised in that the system is adopted
With two parallel electric energy metered systems, one is by live wire current sampling circuit (7), phase voltage sample circuit (9), signal
The electric energy metered system of modulate circuit (25), analog-digital converter (26) and microprocessor (27) composition, another is by live wire electric current
The electric energy metrical system that sample circuit (7), phase voltage sample circuit (9), single-phase measurement chip (24) and microprocessor (27) form
System, the two electric energy metered systems obtain the electricity consumption total amount of whole user simultaneously, can mutually confirm the result of measurement.
A kind of 4. lump type smart home electricity consumption management in details system as claimed in claim 1, it is characterised in that the list of selection
Phase computation chip (24) while there are three phase voltage, live wire electric current and neutral line current signal input ports, and electricity can be exported
Can be with the data signal of frequency, sampling to serve while single-phase measurement chip (24) is to live wire electric current and neutral line current prevents from stealing
The effect of electricity.
A kind of 5. lump type smart home electricity consumption management in details system as claimed in claim 1, it is characterised in that first resistor
(10) copper-manganese resistance of the resistance for 2m Ω, second resistance (11), 3rd resistor (12), the 5th resistance (17), the 6th resistance are used
(18) and the 8th resistance (22) uses purely resistive precision resistance of the resistance for 1K Ω, and the 4th resistance (16) uses resistance as 100m
Ω purely resistive precision resistance, the 7th resistance (21) are in series by the purely resistive precision resistance that five resistances are 200K Ω, the
One electric capacity (13), the second electric capacity (14), the 3rd electric capacity (19), the 4th electric capacity (20) and the 5th electric capacity (23) adopted value are 33nF
Ceramic condenser.
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| CN201710863018.8A CN107528388A (en) | 2017-09-19 | 2017-09-19 | Lump type smart home electricity consumption management in details system |
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| CN201710863018.8A CN107528388A (en) | 2017-09-19 | 2017-09-19 | Lump type smart home electricity consumption management in details system |
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| CN109358307A (en) * | 2018-11-21 | 2019-02-19 | 深圳深宝电器仪表有限公司 | A kind of intelligent electric energy meter safety detection circuit and intelligent electric energy meter |
| CN110120706A (en) * | 2019-05-06 | 2019-08-13 | 江苏格澜得智能电气有限公司 | A kind of intellectualized reconstruction accessory of conventional electrical box |
| CN110346663A (en) * | 2019-07-04 | 2019-10-18 | 广东科瑞德电气科技有限公司 | A kind of method of electric locomotive by pyroelectric monitor terminal fault recording |
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| CN111934273A (en) * | 2020-06-23 | 2020-11-13 | 上海红檀智能科技有限公司 | Intelligent miniature circuit breaker based on Internet of things sea computing technology and setting method |
| CN112037490A (en) * | 2019-06-04 | 2020-12-04 | 国网山东省电力公司威海供电公司 | Data acquisition device for multi-terminal electricity consumption metering system |
| CN116660622A (en) * | 2023-08-02 | 2023-08-29 | 青岛鼎信通讯股份有限公司 | Three-phase electric energy meter and electric energy detection circuit |
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Application publication date: 20171229 |