CN102062813A - Single-phase intelligent watt-hour meter with carrier meter reading module - Google Patents
Single-phase intelligent watt-hour meter with carrier meter reading module Download PDFInfo
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- CN102062813A CN102062813A CN2009102255127A CN200910225512A CN102062813A CN 102062813 A CN102062813 A CN 102062813A CN 2009102255127 A CN2009102255127 A CN 2009102255127A CN 200910225512 A CN200910225512 A CN 200910225512A CN 102062813 A CN102062813 A CN 102062813A
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Abstract
The invention discloses a single-phase intelligent watt-hour meter with a carrier meter reading module to solve the problems that the conventional watt-hour meter cannot settle the bidirectional electric energy, cannot be read remotely and cannot monitor electric energy quality. The watt-hour meter comprises an electric energy signal sampling module, a single-phase three-wire metering unit, and a microcontroller, which are connected in turn; and the microcontroller calculates positive electric energy E1, negative electric energy E2 and net electric energy E. The watt-hour meter also comprises a liquid crystal display (LCD) module, a power module, a real time clock (RTC) and backup battery module, a pulse output module, a positive electric energy storage unit, a negative electric energy storage unit, a net electric energy storage unit and a carrier communication module, which are respectively connected with the microcontroller, wherein the carrier communication module is linked with a remote meter reading device through a carrier communication channel to remotely read the meter. The watt-hour meter has the following functions: the watt-hour meter can respectively accumulatively meter and store positive and negative time-sharing electric energy, has the real-time measuring function, load recording function, remote meter reading function and electric energy quality monitoring and analyzing function, and can provide a household intelligent interface.
Description
Technical field
The present invention relates to electric energy measurement instrument, more specifically refer to a kind of single-phase intelligent electric energy meter with the carrier meter reading module.
Background technology
Existing common single-phase electric energy meter generally only possesses following function:
(1.1) metering: forward electric energy cummulative metering.
(1.2) time-sharing measurement: electric energy meter has 4 kinds of rates, the period 80 day, 4 year the time zone, segment table in the time of 5 is supported to stop in week day, period festivals or holidays.Each rate has independent register record electric energy.Rate Plan per diem type and season type combination switch.
(1.3) measure in real time: measure electric current, voltage, frequency, power in real time, and calculated load, when load surpassed the setting limit value, electric energy meter provided warning.
(1.4) load record: record electric energy, active power, applied power, voltage, current curve, the time interval is able to programme.Electric energy meter also provides nearest 3 days integral point energy datas and 12 months historical energy datas (monthly closing entry).
(1.5) communication: have RS485 interface or infrared copy meter interface, support the DL645-1997 stipulations.
(1.6) logout: 40 historical events records, record has a power failure, powers on, incident such as when electric voltage dropping, programming, school.
This shows, existing common single-phase electric energy meter generally only possesses the function of metering single-phase electric energy and the many rates of timesharing, even the separately metering of forward and reverse electric energy is arranged, wherein reverse power is added in total electric energy with the form of absolute value mostly, promptly, if the forward electric energy is WT1, reverse power is WT2, and the total electric energy W of electric energy meter is W=|WT1|+|WT2|.But this formula can not embody clean electric energy, therefore can't provide foundation for bidirectional power supply user's electric energy clearing.
In addition, existing common single-phase electric energy meter only write down powers failure, power on, incident generation such as electric voltage dropping.
Existing common single-phase electric energy meter does not possess following function:
(2.1) two-way real-time measuring voltage, electric current, active power, applied power and the isoparametric function of frequency;
(2.2) function of load record;
(2.3) dual memory design realizes the difference cumulative measurement storage of forward and reverse timesharing electric energy, the function that goes out clean electric energy and store clean electric energy memory according to forward and reverse electric energy and forward and reverse electricity price coefficient conversion;
(2.4) power supply quality is carried out functions such as quality testing and analytic statistics.
(2.5) have the home furnishings intelligent interface, support and the household electrical appliances networking that has the carrier communication function,, realize the Long-distance Control of intelligent appliance for the long-range access of intelligent appliance provides interface.
Because there is above-mentioned defective in existing common single-phase electric energy meter, so it can not adapt to the mutual demand of intelligent grid bidirectional energy.
In addition, existing common single-phase electric energy meter does not generally possess remote meter-reading function, is that employing wire transmission, wiring are cumbersome even possess the electric energy meter of remote meter-reading function yet.
Summary of the invention
The objective of the invention is in order to overcome the defective that above-mentioned prior art exists, provide a kind of according to different direction of tides, electric energy is accumulated to respectively in forward and the direction electric energy register, go out clean electric energy and store clean electric energy memory according to forward and reverse electric energy and forward and reverse electricity price coefficient conversion, also have electric energy quality monitoring and analytic function and carrier communication remote meter-reading function, be applicable to the single-phase intelligent electric energy meter of the band carrier meter reading module of intelligent grid user demand.
The objective of the invention is to be achieved through the following technical solutions:
A kind of single-phase intelligent electric energy meter with the carrier meter reading module comprises:
The electric power signal sampling module comprises current sample module and voltage sample module; The single-phase three-wire metering units is connected with described electric power signal sampling module, obtains the sampled signal of electric current, voltage, and voltage, electric current, power, the electric energy of single-phase three-wire twocouese measured; Microcontroller, be connected with described single-phase three-wire metering units, read continuous data and carry out following processing from described single-phase three-wire metering units: calculate positive and negative active power, reactive power, applied power, voltage effective value and current effective value respectively according to continuous data; Calculate load data according to positive and negative active power, this load data comprises forward electric energy E1, reverse power E2 and the clean electric energy E of active power; To load data write down, demonstration and communication handle; The LCD display module is connected with described microcontroller, shows the data that microcontroller is handled; Power module is connected with described single-phase three-wire metering units and microcontroller respectively, and described electric energy meter working power is provided; RTC and backup battery module are connected with described microcontroller, and RTC automatically switches to backup battery when being used to satisfy many rates time-sharing measurement of ansi standard and power failure taking place; Pulse output module is connected with described microcontroller, is used for calibration and gathers electric flux; Forward electric energy memory is connected with described microcontroller, and the forward electric energy E1 that described microcontroller calculates is added to this forward electric energy memory storage; The reverse power memory is connected with described microcontroller, and the reverse power E2 that described microcontroller calculates is added to this reverse power memory storage; The carrier communication module is connected with described microcontroller, adopts the electric line carrier communication module with carrier meter reading module, and this carrier communication module links through carrier communication channel and remote meter reading device; Clean electric energy memory is connected with described microcontroller, and the clean electric energy E that described microcontroller calculates is added to this clean electric energy memory storage; Electric energy quality monitoring and analysis module, be connected with described microcontroller, adopt the chip of AT24C1024 model, be used for storing the data that microcontroller is handled, and monitoring record is represented the data of the quality of power supply and write down, analyzes in real time, the data of this expression quality of power supply comprise voltage life/rapid drawdown suddenly, harmonic wave, flickering, current imbalance, surge current.
Described current sample module adopts the current transformer isolation structure, adopts same current transformer summing mode to current sampling to two live wire electric currents; Described voltage sample module adopts divider resistance to carry out voltage sampling to connecting voltage.
The pass of described clean electric energy E and forward electric energy E1 and reverse power E2 is: E=E1+C*E2, wherein C is forward and reverse electricity price coefficient, the reverse electricity price of C=/forward electricity price.
Described carrier communication module adopts the LonWorks electric line carrier communication module of U.S. Ai Shilang (Echelon) company.
Described pulse output module is passive photoelectricity isolated form output port, pulse width: 80ms ± 20ms.
Described electric energy meter also comprises optical communication mouth module, is connected with described microcontroller, supports the communication of infrared light mouth, supports local communication.
Described electric energy meter also comprises the home furnishings intelligent interface, is connected with described microcontroller, for the household electrical appliances that have the carrier communication function provide interface.
Compared with prior art, it is a kind of according to different direction of tides that the advantage of the single-phase intelligent electric energy meter of band carrier meter reading module of the present invention has been to provide, electric energy is accumulated to respectively in forward and the reverse power register, go out clean electric energy and store clean electric energy memory according to forward and reverse electric energy and forward and reverse electricity price coefficient conversion, settling accounts for bidirectional power supply user's electric energy provides foundation.The present invention can carry out remote meter reading by the carrier communication module in addition.The present invention also has electric energy quality monitoring and analytic function, and function more entirely, more can be applicable to the intelligent grid user demand.In a word, the present invention has following function: the dual memory design realizes the difference cumulative measurement storage of forward and reverse timesharing electric energy; Real-time measurement function; The load record function; Electric energy quality monitoring and analytic function; Self-diagnostic function; The carrier communication meter-reading function is provided; The home furnishings intelligent interface is provided.
For further specifying above-mentioned purpose of the present invention, design feature and effect, the present invention is described in detail below with reference to accompanying drawing.
Description of drawings
Fig. 1 is the structural representation of electric energy meter of the present invention.
Embodiment
Accompanying drawing below in conjunction with embodiment is elaborated to the specific embodiment of the present invention.
As shown in Figure 1, the single-phase intelligent electric energy meter of band carrier meter reading module of the present invention comprises following assembly: electric power signal sampling module 20, single-phase three-wire metering units 1, microcontroller 2, power module 3, LCD display module 4, RTC and backup battery module 5, pulse output module 6, forward energy storage module 7, reverse power memory module 8, optical communication mouth module 9, carrier communication module 10, clean electric energy memory 11, home furnishings intelligent interface 12, electric energy quality monitoring and analysis module 13.
Structure to the single-phase intelligent electric energy meter of band carrier meter reading module is described further below.
Electric power signal sampling module 20 comprises current sample module 21 and voltage sample module 22, and described current sample module 21 adopts the current transformer isolation structure, adopts same current transformer summing mode to current sampling to two live wire electric currents; Voltage sample module 22 adopts divider resistance to carry out voltage sampling to connecting voltage.
Single-phase three-wire metering units 1 (present embodiment adopts the chip of the STPM01 model of ST Microelectronics's production), be connected with described electric power signal sampling module 20, obtain the sampled signal of electric current, voltage, the electric energy voltage of single-phase three-wire twocouese, electric current, power, electric energy etc. are measured.Single-phase three-wire metering units 1 chip comprises wave filter, amplifier, A/D converter, respectively the sampled signal of electric current, voltage is carried out filtering, amplification, A/D conversion and is calculated continuous datas such as voltage, electric current, power, electric energy (single-phase three-wire metering units 1 chip internal uses ∑-Δ type AD converter that voltage, electric current are measured).
Microcontroller 2, be connected with described single-phase three-wire metering units 1, the uPD78F0338 chip that adopts NEC Corporation to produce reads continuous data and carries out following processing from single-phase three-wire metering units 1: calculates data such as positive and negative active power, reactive power, applied power, voltage effective value and current effective value according to continuous data respectively; Calculate load datas such as forward electric energy E1, the reverse power E2 of active power and clean electric energy E according to positive and negative active power, the computing formula of wherein clean electric energy E: (E1 is the forward electric energy to E=E1+C*E2, E2 is a reverse power, C is forward and reverse electricity price coefficient, the reverse electricity price of C=/forward electricity price, present embodiment adopts the different clean electric energy of forward and reverse electricity price to calculate, and the electric energy clearing that are calculated as the bidirectional power supply user of clean electric energy provide foundation); To load data write down, processing such as demonstration and communication.Therefore, microcontroller 2 can be realized the store function that the forward and reverse electric energy time-sharing measurement of single-phase three-wire adds up respectively; Real-time measurement function; The load record function.
LCD display module 4 is connected with described microcontroller 2, shows the data that microcontroller 2 is handled, maximum demonstration 32 item number certificates capable of circulation, and project DISPLAY ORDER and demonstration time user-programmable, all supplemental characteristics of electric energy meter all can show by LCD.Liquid crystal is adapted at working under the low temperature condition, and reading clearly can be provided.
Power module 3 is connected with described single-phase three-wire metering units 1 and microcontroller 2 respectively, and the electric energy meter working power is provided.
RTC (real-time clock) and backup battery module 5, module with RTC and backup battery, be connected with described microcontroller 2, RTC adopts the chip of the RX8025 model of Seiko Epson Corporation's production, be used to satisfy many rates time-sharing measurement of ansi standard, this clock circuit, built-in 2000--2099 went through in 100 years, and Time of Day can be established.RTC automatically switches to backup battery when taking place to have a power failure, and can keep after the power failure 5 years.
Pulse output module 6 is connected with described microcontroller 2, is used for calibration and gathers electric flux, is passive photoelectricity isolated form output port, pulse width: 80ms ± 20ms.
Forward electric energy memory 7 is connected with described microcontroller 2, and the forward electric energy E1 that described microcontroller 2 calculates is added to this forward electric energy memory 7 storages.Present embodiment adopts ferroelectric memory, the chip of the FM24C64 model of producing for RAMTRON company.
Reverse power memory 8 is connected with described microcontroller 2, and the reverse power E2 that described microcontroller 2 calculates is added to this reverse power memory 8 storages.Present embodiment adopts ferroelectric memory, the chip of the FM24C64 model of producing for RAMTRON company.
Optical communication mouth module 9 (present embodiment adopts the optical communication mouth module of being made up of near infrared transmission pipe and receiving tube) is connected with described microcontroller 2, supports the communication of infrared light mouth, supports local communication.
Carrier communication module 10, be connected with described microcontroller 2, employing has the electric line carrier communication module of carrier meter reading module, present embodiment adopts the LonWorks electric line carrier communication module of U.S. Ai Shilang (Echelon) company, the technology that is fit to all parts of the world power line carrier frequency requirement, have the carrier meter reading module, realize the automatic data logging application, promptly carrier communication module 10 provides a kind of communication channel to the remote meter reading device.This carrier communication module 10 links through carrier communication channel and remote meter reading device, realizes remote meter reading.
Clean electric energy memory 11 is connected with described microcontroller 2, and the clean electric energy E that microcontroller 2 calculates is added to this clean electric energy memory 11.Present embodiment adopts the chip of the FM24C64 model of RAMTRON company production.
Home furnishings intelligent interface 12 is connected with described microcontroller 2, for the household electrical appliances that have the carrier communication function provide interface, it is a kind of functional interface circuit, the household electrical appliances that have this kind interface can link to each other with ammeter, link to each other with kilowatt meter reading-out system by ammeter, realize the operational managements such as open and close of family product.
Electric energy quality monitoring and analysis module 13, be connected with described microcontroller 2, it is a kind of functional module, adopt the chip of the AT24C1024 model of American ATMEL production, be used for storing the data that microcontroller 2 is handled, and monitoring record voltage life/rapid drawdown suddenly in real time, harmonic wave, flickering, current imbalance, surge current, statistical are separated out above power quality data and record.Concrete example: this table provides voltage life/rapid drawdown record suddenly: rise sharply, interference, quick voltage change and duration, amplitude and the time of origin of rapid drawdown; Ripple between 50 harmonic wave harmonies can be measured and write down to harmonic wave at most; The record related data is as DC component, total harmonic distortion (THD) and K-coefficient; Duration and amplitude that the flickering monitoring voltage changes; Current imbalance, record surpasses the unbalance factor of thresholding, time of origin; Surge current, the amplitude of seizure surge current, forms logout at the duration.
Application with regard to the single-phase intelligent electric energy meter concrete function of band carrier meter reading module of the present invention is described below below.
One, electric energy metrical
Electric energy meter of the present invention has following function: multiple rate function of measuring: support 4 rates; Divide forward electric energy, reverse power and clean electric energy, three kinds of electric energy are measured respectively and store function.
Each rate has independent register record electric energy, electric energy minimum scale unit: 0.01kWh.
The electric energy metrical content sees Table one.
Table one
| Total forward active energy | Current, nearest 10 weeks, time zone when switching, 12 months electric energy, nearest 72 hours integral point electric energy |
| Rate 1 forward active energy | Current, nearest 10 weeks, time zone when switching, 12 months electric energy |
| Rate 2 forward active energies | Current, nearest 10 weeks, time zone when switching, 12 months electric energy |
| Rate 3 forward active energies | Current, nearest 10 weeks, time zone when switching, 12 months electric energy |
| Rate 4 forward active energies | Current, nearest 10 weeks, time zone when switching, 12 months electric energy |
| Total oppositely active energy | Current, nearest 10 weeks, time zone when switching, 12 months electric energy, nearest 72 hours integral point electric energy |
| Rate 1 reverse active energy | Current, nearest 10 weeks, time zone when switching, 12 months electric energy |
| Rate 2 reverse active energies | Current, nearest 10 weeks, time zone when switching, 12 months electric energy |
| Rate 3 reverse active energies | Current, nearest 10 weeks, time zone when switching, 12 months electric energy |
| Rate 4 reverse active energies | Current, nearest 10 weeks, time zone when switching, 12 months electric energy |
| Total clean active energy | Current, nearest 10 weeks, time zone when switching, 12 months electric energy, nearest 72 hours integral point electric energy |
| Rate 1 clean active energy | Current, nearest 10 weeks, time zone when switching, 12 months electric energy |
| Rate 2 clean active energies | Current, nearest 10 weeks, time zone when switching, 12 months electric energy |
| Rate 3 clean active energies | Current, nearest 10 weeks, time zone when switching, 12 months electric energy |
| Rate 4 clean active energies | Current, nearest 10 weeks, time zone when switching, 12 months electric energy |
Freezing of electric energy of electric energy meter generation in 0: 0: 0 on every Sundays, requirement (average power in the stipulated time), automatic requirement zero clearing of while; Electric energy meter can be preserved the electric energy in nearest 10 weeks.
Two, multiple rate
Multiple Rate Plan per diem type and season type combination be provided with.Electric energy meter is supported 4 time zones (type in season), 10 day table (day type), and each day shows to support at most 8 periods, supports all not settings of day, working day, period public holiday.
Rate: be used for during programming representing which kind of rate electric energy meter operates in, represent with 1,2,3,4, represent different rates with T1, T2, T3, T4 on the LCD display module 4, as volume is 0, then electric energy meter thinks invalid, but when first period occurs, electric energy meter acquiescence rate 1.
The time zone: electric energy meter is supported 4 time zones at most, 1 time zone of minimum acquiescence (zone description=0), zone description definition: 0-3.The user can only monthly divide the time zone, and electric energy meter allowed 1 year to be divided into some time zones, and different timesharing plans (or scheme) is implemented in each time zone.The day table number on Saturday in each time zone, Sunday, working day, special day 1, special day 2 must be set during programming.
Period: electric energy meter can move 10 covers day table at least, every cover Ri Biaoli 8 periods of maximum definables, amounts to the setting of 80 periods.The closed loop principle is followed in the setting of period, and time order and function connects, and one start time period of back should be greater than last start time period in showing in same day.
Three, monthly billing electric energy
Ran to monthly closing entry in every month during the time, it is the electric energy of use from the last monthly billing time to this monthly billing time durations that electric energy, this electric energy are once used in electric energy meter clearing, and electric energy meter is stored Settlement Date simultaneously so that check; Electric energy meter can write down 12 months the electric energy of using, and comprises forward and reverse total electric energy, clean electric energy and timesharing electric energy.
Four, load record curve
Electric energy meter support capacity is the storage of the load data of 128KB, and the data that the user can select to write down comprise: electric energy, active power, voltage, electric current; The time interval of record can be provided with arbitrarily between 1-99 minute, and each load record point all stabs (year, month, day, hour, min) if having time.
Five, the measurement of real-time parameter
Electric energy meter also provides the measurement of electrical network parameter except that the metering electric energy, the 800-806 item number is according to being respectively: voltage, electric current, active power, applied power, current requirement, mains frequency, cell voltage.
Six, electric energy quality monitoring and analysis
Rise sharply and the rapid drawdown record: rise sharply, interference, quick voltage change and rapid drawdown duration, amplitude and time of origin; Ripple between 50 harmonic wave harmonies can be measured and write down to harmonic wave at most.The record related data is as DC component, total harmonic distortion (THD) (total harmonic distortion) and K-coefficient.Duration and amplitude that the flickering monitoring voltage changes; Current imbalance, record surpasses the unbalance factor of thresholding, time of origin; Surge current, the amplitude of seizure surge current, forms logout at the duration.
Seven, communication
1) electric energy meter is supported carrier communication, and electric energy meter can carry out communication by carrier wave, can realize the remote meter reading management behind the composition network.
2) electric energy meter is also supported the communication of infrared light mouth, and communication protocol meets the requirement of North America ANSI C12.18, C12.19; Communication baud rate acquiescence 9600bps; Support local communication, can come communication by the palm meter-copy device of being furnished with photometer head that manufacturer provides.
3) electric energy meter has the home furnishings intelligent interface, supports and the household electrical appliances networking that has the carrier communication function, for the long-range access of intelligent appliance provides interface, realizes the Long-distance Control of intelligent appliance.
4) after communication was set up, electric energy meter LCD went up communication symbol " COM " and shows; But the electric energy meter Various types of data is copy reading or setting all.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating purpose of the present invention, and be not as limitation of the invention, as long as in essential scope of the present invention, all will drop in the scope of claim of the present invention variation, the modification of the above embodiment.
Claims (7)
1. single-phase intelligent electric energy meter with the carrier meter reading module is characterized in that comprising:
The electric power signal sampling module comprises current sample module and voltage sample module;
The single-phase three-wire metering units is connected with described electric power signal sampling module, obtains the sampled signal of electric current, voltage, and voltage, electric current, power, the electric energy of single-phase three-wire twocouese measured;
Microcontroller, be connected with described single-phase three-wire metering units, read continuous data and carry out following processing from described single-phase three-wire metering units: calculate positive and negative active power, reactive power, applied power, voltage effective value and current effective value respectively according to continuous data; Calculate load data according to positive and negative active power, this load data comprises forward electric energy E1, reverse power E2 and the clean electric energy E of active power; To load data write down, demonstration and communication handle;
The LCD display module is connected with described microcontroller, shows the data that microcontroller is handled;
Power module is connected with described single-phase three-wire metering units and microcontroller respectively, and described electric energy meter working power is provided;
RTC and backup battery module are connected with described microcontroller, and RTC automatically switches to backup battery when being used to satisfy many rates time-sharing measurement of ansi standard and power failure taking place;
Pulse output module is connected with described microcontroller, is used for calibration and gathers electric flux;
Forward electric energy memory is connected with described microcontroller, and the forward electric energy E1 that described microcontroller calculates is added to this forward electric energy memory storage;
The reverse power memory is connected with described microcontroller, and the reverse power E2 that described microcontroller calculates is added to this reverse power memory storage;
The carrier communication module is connected with described microcontroller, adopts the electric line carrier communication module with carrier meter reading module, and this carrier communication module links through carrier communication channel and remote meter reading device;
Clean electric energy memory is connected with described microcontroller, and the clean electric energy E that described microcontroller calculates is added to this clean electric energy memory storage;
Electric energy quality monitoring and analysis module, be connected with described microcontroller, adopt the chip of AT24C1024 model, be used for storing the data that microcontroller is handled, and monitoring record is represented the data of the quality of power supply and write down, analyzes in real time, the data of this expression quality of power supply comprise voltage life/rapid drawdown suddenly, harmonic wave, flickering, current imbalance, surge current.
2. the single-phase intelligent electric energy meter of band carrier meter reading module as claimed in claim 1 is characterized in that:
Described current sample module adopts the current transformer isolation structure, adopts same current transformer summing mode to current sampling to two live wire electric currents; Described voltage sample module adopts divider resistance to carry out voltage sampling to connecting voltage.
3. the single-phase intelligent electric energy meter of band carrier meter reading module as claimed in claim 1 is characterized in that:
The pass of described clean electric energy E and forward electric energy E1 and reverse power E2 is: E=E1+C*E2, wherein C is forward and reverse electricity price coefficient, the reverse electricity price of C=/forward electricity price.
4. the single-phase intelligent electric energy meter of band carrier meter reading module as claimed in claim 1 is characterized in that:
Described carrier communication module adopts the LonWorks electric line carrier communication module of U.S. Ai Shilang (Echelon) company.
5. the single-phase intelligent electric energy meter of band carrier meter reading module as claimed in claim 1 is characterized in that:
Described pulse output module is passive photoelectricity isolated form output port, pulse width: 80ms ± 20ms.
6. the single-phase intelligent electric energy meter of band carrier meter reading module as claimed in claim 1 is characterized in that:
Described electric energy meter also comprises optical communication mouth module, is connected with described microcontroller, supports the communication of infrared light mouth, supports local communication.
7. the single-phase intelligent electric energy meter of band carrier meter reading module as claimed in claim 1 is characterized in that:
Described electric energy meter also comprises the home furnishings intelligent interface, is connected with described microcontroller, for the household electrical appliances that have the carrier communication function provide interface.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102435838A (en) * | 2011-10-18 | 2012-05-02 | 中国电力科学研究院 | Basic electric quantity type energy-efficiency data collecting terminal |
| CN103149431A (en) * | 2013-03-19 | 2013-06-12 | 青岛乾程电子科技有限公司 | Multifunction watt-hour meter |
| CN103837737A (en) * | 2012-11-27 | 2014-06-04 | 国际商业机器公司 | Method and device for measuring energy consumption of electronic equipment |
| CN103869188A (en) * | 2014-03-11 | 2014-06-18 | 中国电子科技集团公司第三十八研究所 | Single-phase electrical parameter rapid collection module |
| CN105954580A (en) * | 2016-06-23 | 2016-09-21 | 国网山东省电力公司安丘市供电公司 | Remote electric energy metering monitoring system |
| CN106370950A (en) * | 2016-09-12 | 2017-02-01 | 深圳市安和威电力科技股份有限公司 | Charging facility data recorder |
| CN113009222A (en) * | 2021-02-05 | 2021-06-22 | 中国电力科学研究院有限公司 | Electric energy quality module based on intelligent thing allies oneself with electric energy meter |
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2009
- 2009-11-18 CN CN2009102255127A patent/CN102062813A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102435838A (en) * | 2011-10-18 | 2012-05-02 | 中国电力科学研究院 | Basic electric quantity type energy-efficiency data collecting terminal |
| CN103837737A (en) * | 2012-11-27 | 2014-06-04 | 国际商业机器公司 | Method and device for measuring energy consumption of electronic equipment |
| CN103837737B (en) * | 2012-11-27 | 2016-12-21 | 国际商业机器公司 | The method and apparatus measuring the energy expenditure of electronic equipment |
| CN103149431A (en) * | 2013-03-19 | 2013-06-12 | 青岛乾程电子科技有限公司 | Multifunction watt-hour meter |
| CN103869188A (en) * | 2014-03-11 | 2014-06-18 | 中国电子科技集团公司第三十八研究所 | Single-phase electrical parameter rapid collection module |
| CN103869188B (en) * | 2014-03-11 | 2016-03-02 | 中国电子科技集团公司第三十八研究所 | Single-phase electricity parameter Quick Acquisition module |
| CN105954580A (en) * | 2016-06-23 | 2016-09-21 | 国网山东省电力公司安丘市供电公司 | Remote electric energy metering monitoring system |
| CN106370950A (en) * | 2016-09-12 | 2017-02-01 | 深圳市安和威电力科技股份有限公司 | Charging facility data recorder |
| CN113009222A (en) * | 2021-02-05 | 2021-06-22 | 中国电力科学研究院有限公司 | Electric energy quality module based on intelligent thing allies oneself with electric energy meter |
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Application publication date: 20110518 |