CN1367905A - Electrical energy meter - Google Patents
Electrical energy meter Download PDFInfo
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- CN1367905A CN1367905A CN00811186A CN00811186A CN1367905A CN 1367905 A CN1367905 A CN 1367905A CN 00811186 A CN00811186 A CN 00811186A CN 00811186 A CN00811186 A CN 00811186A CN 1367905 A CN1367905 A CN 1367905A
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- current parameters
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
- G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/04—Payment circuits
- G06Q20/06—Private payment circuits, e.g. involving electronic currency used among participants of a common payment scheme
- G06Q20/065—Private payment circuits, e.g. involving electronic currency used among participants of a common payment scheme using e-cash
- G06Q20/0652—Private payment circuits, e.g. involving electronic currency used among participants of a common payment scheme using e-cash e-cash with decreasing value according to a parameter, e.g. time
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/08—Payment architectures
- G06Q20/12—Payment architectures specially adapted for electronic shopping systems
- G06Q20/127—Shopping or accessing services according to a time-limitation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/22—Payment schemes or models
- G06Q20/28—Pre-payment schemes, e.g. "pay before"
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F15/00—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F17/00—Coin-freed apparatus for hiring articles; Coin-freed facilities or services
- G07F17/0014—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for vending, access and use of specific services not covered anywhere else in G07F17/00
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- Business, Economics & Management (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Accounting & Taxation (AREA)
- Engineering & Computer Science (AREA)
- General Business, Economics & Management (AREA)
- Strategic Management (AREA)
- Theoretical Computer Science (AREA)
- Finance (AREA)
- Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
The electrical energy meter with energy prepayment, it is intended to simultaneous service of the customers number. The meter includes a reader (4) of information from the smart card, a display (5), interface (6), the microprocessor (3) for a calculation of consumed energy and performed payments and for control by the functional elements, a multiplexer (2) in the circuit between the sensors (1l-1n) of the current parameters (according to a customers number) and the microprocessor, to output of which a command unit (7) is connected; the last is coupled with a relay bank (8l-8n) for switching off an according customer in the case reaching of preset consumption of electrical energy. In the case of the customers being spaced at a substantial distance from each other the meter is made with placement in the central cabinet (16) and personal cabinets (17l-17n) for each customer; the last has corresponding elements of coupling between the cabinets, feed of signals for customers switching-off and feed of alarm signal during tampering with cabinets.
Description
Invention field
The present invention relates to be used to measure and control the field of the equipment of power consumption, purpose is to guarantee normal fee and prevent that the swindle of electric energy from using.
Background technology
The existing equipment that has much different based semiconductor logic elements and pulse work element, transcriber to measure power consumption, said transcriber is that the conversion of signals that is used for certain type is the equipment of the signal of another type, one of them be exactly analog to digital converter (for example, United States Patent (USP) #3 947763 in 1976, US Cl.342/142, Int.Cl.GO1R 11/32).
The metering outfit of Chu Xianing has programmable part after a while, particularly comprises microcontroller, memory member, display, interface.Such ammeter can also detect curtage deviation above and below the preset value scope (for example, United States Patent (USP) #5 315 235 in 1994, US Cl.324/116, Int.Cl.GO1R19/16).
Also known have the power consumption ammeter able to programme that is designed to be mainly used in commercial Application with higher-order logic operation (for example, European patent EP 0,857 978 A2 that application on February 21st, 1992, on August 12nd, 1998 authorize, Int.Cl.GO1R 22/00; Its same Patent is the United States Patent (USP) #5 631 843 that authorizes in application on June 6th, 1996, on May 20th, 1997).
Similar other ammeter of level (for example, application on June 7 nineteen ninety-five, the United States Patent (USP) #5 544 089 that authorized in 1996, US Cl.364/492, Int.Cl.GO6F 17/00) that also has the multiplex electronics that has much used analog to digital converter therein.
Technique scheme mainly is to be used for industrialized country's (having higher level of consciousness when using facility), especially for measuring the electric energy that is consumed by industry or other energy intensive enterprise (comprising that those have the enterprise of irregular load in supply main).
In addition, the problem of collecting the charges for the service (especially electric power supply) that is provided is provided in a lot of countries (comprising those countries that occur after the developing country and the disintegration of the Soviet Union).For addressing this problem, some leading companys have developed and have made electronic electricity meter from the pre-payment condition to the user that allot electric power under.Use the user of this ammeter to pay certain amount of money and obtain a smart card, the amount of money of being paid is written in the storer of smart card.Then, the user inserts the slot of ammeter to card, and the amount of money that the ammeter storage is paid is also allotted the electric weight of pre-payment to the user.
In the company that manages this ammeter, Landis ﹠amp is arranged; Gyr (Switzerland), Dalelektron (Russia), Schlumberger (France), D.M.S.Meters Ltd. (Britain), Conlog South Africa (Republic of South Africa), Nisko Projects Electronics ﹠amp; Communications Ltd. (Israel) is (for example, referring to special measuring technique magazine Metering International, 1998, issue 1, South Africa.Scarborough Publications International (Pty) Ltd., pp.24-25,27,28-29).
The prior art ammeter is designed to the individual and uses.Each ammeter has the relay that is used for (after having used up the credit of electric power) disconnect user, display (demonstration is currently available for the credit that receives electric power), interface, the unit that is used for the information that reads from electronic cards, the sensor of current parameters, with information stores on electronic cards, the electric flux that record is consumed, calculate and send amount of credit available to display, be stored in over 6 information that the middle of the month, current parameters fluctuateed in time and send it to interface, after the user uses up prepayment electric quantity, send the processor of ON-and OFF-command, see also for example Nisko Project Electronics ﹠amp to relay; Communications Ltd. is in the description (having provided summary and accompanying drawing in the application's the appendix) of this ammeter (pre-payment, many rates programmable power meter) of nineteen ninety-five exploitation.
But, this ammeter very expensive (US$100 ÷ 500), and can not remedy the cost of buying and ammeter being installed in the increase of interim fee when acceptable.
D.M.S.Meters Ltd. (Britain) and Dak-Techn Ltd. (Israel) have developed an annex that is used for the prior art motor meter, and motor meter also is to allot electric power after pre-payment.These annexes are more cheap than electronic electricity meter, but the overall cost with motor meter of annex still reaches US$70 ÷ 90, and their recovery of the capital cycle is also oversize.
Above-mentioned electronic electricity meter and the motor meter with annex be installed in the apartment or the gateway in total apartment in.
In the above two kinds of cases, fraudulent user can be walked around the connection of this ammeter, thereby steals electric power.And, ammeter is placed in the apartment makes swindle be more prone to, and in some cases, occurred in the phenomenon that the ammeter in the gateway in total apartment is stolen or destroys.
These drawbacks limit electronic electricity meter and have the use of the motor meter of annex.
The objective of the invention is to eliminate these defectives, that is, provide a kind of ammeter of after pre-payment, allotting electric energy, the reasonable price of described ammeter, and eliminated the possibility that the swindle of electric energy is used.
Summary of the invention
A kind of ammeter is provided, and it provides the solution that defines task to top, and is used for serving simultaneously reliably a lot of users, might be installed in an equipment in total apartment gateway, house or the residential area (moshav, aul etc.).
Identical with this class prior art ammeter, the ammeter that is proposed has the unit that is used for the information that reads from smart card, information display (demonstration is currently available for credit that buys power etc.), be used for relevant information a limited period current parameters fluctuation is sent to the interface of display, be used to write down consumption electric weight, calculate the processor of the function element of payment, amount of credit available and control ammeter.
But different with the prior art ammeter is, this ammeter has a multiplexer, the input of multiplexer is connected to the output of this group current parameters sensor (at least one sensor of each user), its output is connected to primary processor, and primary processor receives the information of the parameter of relevant time dependent each user institute current sinking.Described ammeter also has a command unit that is connected to processor output, is used for the order of processor is sent to this group relay (at least one relay of each user), and disconnects the user of the credit of having used up certain electric weight from outside line.
Described solution has reduced each user's ammeter cost, makes that the broader applications of this ammeter are feasible economically.
Precision when measuring current parameters in order to improve, each sensor can be equipped with a power pack, and can connect an analog to digital converter between multiplexer and processor, this analog to digital converter was connected with the time interval of the default accuracy class of sufficient to guarantee when writing down the time-varying current parameter.
If can not and/or be unsuitable for adopting the analog to digital converter that enough to be connected the default precision when guaranteeing the record current parameter continually, sensor can be equipped with a power pack, a linear impulsive generator and an impulse meter so, and the latter is connected to this processor by a multiplexer.
In order to optimize this equipment, the current parameters sensor can be equipped with a bypass apparatus (rather than transducer) that is coupled with the linear impulsive generator, and
The output of-pulse producer is by an optical circuit separation vessel and impulse meter coupling (optically-coupled)
The output of-impulse meter is by multiplexer and processor coupling, and this has guaranteed higher processing safety.
In order to ensure the strick precaution that swindle is connected with prevent any distorting, all parts of ammeter all are contained in the rack, and the independent cable in the independent control house by offering the user is taken precautions against external reference.
In user distribution scope wide (for example) with utilize independent cable each user to be connected under the non-remunerative economically situation of ammeter in the country house district,
-ammeter is placed in the mainframe and individual rack in (each user has people's rack one by one);
-mainframe holds the parts and a transmitter-receiver of serving all users;
-individual rack (each individual rack comprises the current parameters sensor, and relay and being used to is guaranteed the equipment that is coupled between individual rack and the mainframe) is positioned at one near each user and the place that can not enter easily.
Under latter event,, except individual rack sensor, also another current parameters sensor is connected to the mainframe input in order to prevent partly to steal electric power by the power supply network of invading between mainframe and the individual rack.Ammeter has a panalarm, cuts off the user under the situation of permissible value and is connected but the difference that is used for the electric flux of the sensor record in the electric flux that enters described ammeter in the identical time period and individual rack surpasses.
Each rack described herein all has an equipment, if undelegated people opens (distorting) rack, and/or ammeter (or ammeter control a network portion) invaded, and this equipment sends a voice signal, the user is disconnected and an alerting signal is sent to the electric power provider from power supply network.
Following method provides a solution of avoiding excessive energy loss (if the user distribution scope is wide), may further comprise the steps:
-measurement enters the electric flux of ammeter in the certain hour section
-determine in the identical time period total electric flux by the sensor record in the individual rack;
-determine active loss (in the identical time period, entering electric flux poor of the electric flux of ammeter and the sensor record in the individual rack);
-determined active loss with can allow loss value to compare;
Can allow level if-active loss surpasses, disconnect user also sends an alerting signal.
This ammeter shows with the comparative analysis of the prior art scheme that is used for identical purpose; the ammeter that is proposed has novelty; it is useful, can be applicable to industry, and creative step-all these makes the solution that is proposed be worth being protected by law by a patent.
Description of drawings
Essence of the present invention represented by accompanying drawing, wherein:
Fig. 1 is the block scheme of the basic modification of the ammeter that proposed;
Fig. 2 is the block scheme of ammeter, has the power pack of analog to digital converter and current parameters sensor;
Fig. 3 is the part block scheme of ammeter, has the power pack of sensor, linear impulsive generator and impulse meter;
Fig. 4 is the part block scheme of ammeter, has the bypass apparatus of current parameters sensor, linear impulsive generator, optical circuit separation vessel and impulse meter;
Fig. 5 is the location map of user distribution major part of ammeter when wide.
Embodiment
The basic modification (Fig. 1) of ammeter has the sensor 1 that is used to measure the current parameters (voltage and current) that changes in time.The user of each connection has a sensor (n-sensor total quantity) at least.
Sensor 1
1÷ 1
nOutput be connected to the input of multiplexer 2, microprocessor 3 is coupled in the output of multiplexer, with by the continuous read sensor reading of described microprocessor (reading of binary counter equals number of users) and outcome record in nonvolatile memory (also can store up-to-date reading) even cut off the electricity supply.
Reader 4 is connected to described microprocessor 3 (CPU), reads the electric weight of each user's prepayment from smart card.
In addition, interface 6 is connected to described microprocessor 3 according to request information is sent to external unit.
At last, main command unit 7 is connected to microprocessor 3, described command unit is a demoder and the amplifier from the binary code to the position code in essence, this amplifier guarantees that output current enough is used to be connected to the normal running of the relay of amplifier circuit (or semiconductor switch) 8, described relay (or semiconductor switch) is used for having the user of electric power credit to be connected to power supply network to each, and each user who has used up the credit of its default electric weight is disconnected from power supply network.In a word, ammeter has (n) individual relay or switch 8
1÷ 8
nBe used for the user that each uses ammeter.
For metering current parameter more accurately, each sensor can be equipped with power pack 9 and amplifier 10 (Fig. 2), and can between multiplexer 2 and microprocessor 3, connect analog to digital converter (ADC) 11, its connection frequency can be guaranteed the default precision when record time-varying current parameter.
If can not or be unsuitable for using frequently switch so that to preset the analog to digital converter of precision record current parameter, can be connected to power pack 9 (Fig. 3) to sensor, linear impulsive generator 12 and impulse meter 13, the latter is connected to microprocessor 3 by multiplexer.
Replace power pack, can use bypass apparatus 14 (Fig. 4): in the case with 12 couplings of linear impulsive generator, the output of pulse producer is by optical circuit separation vessel 15 and impulse meter 13 couplings (optically-coupled), and the output of described counter 13 is by multiplexer and microprocessor 3 couplings.
Described pulse producer 12 (one of each user) is used for to the digital conversion of the input electric power counting continuous impulse for have the setting with the proportional speed of useful power value (corresponding to the input electric energy) duration.
Connect and/or prevent that any distorting, all parts of ammeter all are contained in the rack in order to ensure fraud prevention and (prevent outside the intrusion), independent cable is offered the house of user's independent control.
In user distribution scope wide (particularly in grass roots) with utilize independent cable each user to be connected under the infeasible economically situation of ammeter ammeter (Fig. 5)
-be placed in the mainframe 16 and individual rack 17 ÷ 17
nIn, each user has people's rack one by one;
-mainframe holds the parts of serving all users (particularly function element 1,3,4,5 and transmitter-receiver 18);
-individual rack 17 ÷ 17
nBe positioned at one near each user 19 ÷ 19
nAnd the place that can not enter easily; Described individual rack holds current parameters sensor 1 ÷ 1
n, element 14 ÷ 14 particularly
n, 12 ÷ 12
n, 13 ÷ 13
n, relay 8 ÷ 8
nWith equipment 18 ÷ 18 that are used to link individual rack and mainframe
n
Under latter event,, except individual rack sensor, also another current parameters sensor is connected to the mainframe input in order to prevent partly to steal electric power by the power supply network of invading between mainframe and the individual rack.Ammeter has a panalarm, and the difference of the electric flux of the sensor record in the electric flux that is used for entering described ammeter in the identical time period and the individual rack surpasses to be cut off the user and be connected under the situation of preset value.
Each rack described herein all has an equipment, if undelegated people opens (distorting) rack, and/or ammeter (or ammeter control a network portion) invaded, and this equipment sends a voice signal, the user is disconnected and an alerting signal is sent to the electric power provider from power supply network.
The following operation of ammeter:
In order to ensure the non-interruptible supply of electric power, the user must be at bank's prepayment electric expense, and this telecommunications consumption amount of money is write the individual smart card of access customer by bank.The user can obtain electric energy when smart card is inserted ammeter.
Microprocessor uses the amount of money of receiving element recording user prepayment in suitable storage unit and his rate.Afterwards, the microprocessor trigger relay (or semiconductor switch, be its non-contact equivalent), and therefore power supply is offered the user of pre-payment.
In the operating period of ammeter, the collaborative multiplexer of microprocessor is continuously from all the sensors reading of data, sensor sends to analog to digital converter to the current parameters of analog form, and analog to digital converter is this information translation digital form and described parameter is sent to microprocessor with digital form.
Connection frequency with the default accuracy class of sufficient to guarantee repeats read cycle.This frequency makes microprocessor can consider the time rate, with the electric weight of each user's reception of required accuracy computation, and the storage unit that sends to him about the parameter of institute's received current, the electric weight that spends, the data with available credit that use up.
If a user has used up his prepayment volume (and not carrying out another prepayment), microprocessor utility command unit (with suitable relay) disconnects this user from power supply network.
The user can check his how many available credits in addition by smart card being inserted ammeter at any time, and at this moment, microprocessor is sent to display to the amount of credit available of storing in this user's the storage unit.
In another embodiment of ammeter, be equipped with the current parameters sensor of transducer (or bypass apparatus), linear impulsive generator and impulse meter (pulse rate is proportional with the input electric flux) that the information of the relevant current parameters and the electric flux that receives is sent to microprocessor by multiplexer.
Electricity for fear of microprocessor and power supply network is led coupling, pulse from each pulse producer 12 arrives impulse meter 13 (scale-of-two) (among the bypass apparatus embodiment of ammeter) by optically-coupled, and microprocessor reads from described counter at interval with Preset Time.After reading at every turn, counter 13 is made zero overflow avoiding.
In user's storage unit these reading additions, and with the prepayment electric weight compare.
In the present embodiment, can send information with low frequency, this permission sends to information microprocessor and uses transmitter-receiver from sensor by multiplexer, even the ammeter parts are set at each other in the difference of wide apart (individual advocates peace) rack.
But, can create favorable conditions for the swindle connection of the part of the power supply network between mainframe and individual interface with respect to user's this ammeter positioning parts.
In order to prevent that swindle from connecting, if undelegated people invades or distorts a rack that holds ammeter, perhaps a power supply network part controlling of ammeter is invaded by rogue ground, and the specialized equipment that is installed in the rack sends to the electric power provider to voice signal, user's cut-off signal and alerting signal.
Carry out the function that the described swindle that prevents electric power is used by the information about total electric weight of the electric weight that entered ammeter input in the certain hour section and the sensor record in the individual rack being sent to microprocessor and the two being compared.If stealing takes place, the difference of described measured value will be above allowing level, and this will activate said system.
Claims (9)
1. an ammeter has used up the back in default (prepayment) amount and has cut off the electric power supply, comprising:
The sensor of the current parameters of Gai Bianing and being used for relay that the user is disconnected from power supply network in time, the number of wherein said sensor and described relay equals number of users at least;
Reader reads the information of the amount of money that relevant user prepays for electricity consumption from smart card;
Information display is used for output information;
Interface sends to external unit to information according to request;
Processor is integrated into the described function element of ammeter in the system calculating power consumption, user's payment in advance and each user's amount of credit available, and the described function element of control ammeter;
Multiplexer is connected to the output of current parameters sensor, and the coupling of the output of described multiplexer and processor is with relevant function as the time, send to described processor by the information of the parameter of the electric current of each user's use;
Command unit is connected to the output of described processor, if the electric weight that user uses up has reached preset value, the relay that the order of processor is sent to relative users is to disconnect described user from power supply network.
2. ammeter according to claim 1, wherein
Described current parameters sensor be equipped with power pack and
Connect analog to digital converter between described multiplexer and described processor, described converter was connected with the time interval of the default precision grade of sufficient to guarantee when writing down the current parameters that changes in time.
3. ammeter according to claim 1, wherein
Described current parameters sensor be equipped with power pack, linear impulsive generator and impulse meter and
Described impulse meter is by multiplexer and the coupling of described processor.
4. ammeter according to claim 1, wherein
Described current parameters sensor is equipped with the current bypass device with described linear impulsive generator coupling, wherein;
The output of described linear impulsive generator is by optical circuit separation vessel and the coupling of described impulse meter;
The output of described impulse meter has been guaranteed higher processing safety by described multiplexer and the coupling of described processor.
5. ammeter according to claim 1, wherein
Function element is installed in the single rack;
Described rack is connected to the house of user's independent control by independent cable, connects and/or distorting the ammeter parts for the swindle of power supply network preventing.
6. ammeter according to claim 1, wherein, under the wider situation of user distribution scope
Ammeter is installed in each user's the mainframe and individual rack;
The parts and the transmitter-receiver of serving all users are installed in the mainframe;
Described individual rack is positioned at one, and described individual rack holds described current parameters sensor near each user and the place that is difficult to enter, and relay and being used to is guaranteed the equipment that is coupled between individual rack and the mainframe.
7. ammeter according to claim 6, wherein
Described current parameters sensor be placed in the mainframe the ammeter input and
Described ammeter has an equipment, if but the difference of electric flux that enters the sensor record of the electric flux of ammeter and individual rack in the identical time period surpasses permissible value, and this equipment provides an alerting signal and cuts off power supply to the user.
8. according to claim 5 or 6 described ammeters, wherein
Its rack is equipped with an equipment, if open a rack (or distorting rack) (or the power supply network part that ammeter is controlled is invaded on unauthorized ground) that holds ammeter, this equipment sends a voice signal, the user is sent to the electric power provider from the power supply network disconnection and alerting signal unauthorized.
9. method that when the ammeter that uses according to claim 6, prevents excessive electric energy loss, carry out following operation according to this method:
Measurement enters the electric flux of ammeter in the certain hour section;
Determine in the identical time period total electric flux by the sensor record in the individual rack;
Determine active loss, promptly in the identical time period, enter total electric flux poor of the electric flux of ammeter and the sensor record in the individual rack;
Determined active loss with can allow the loss level to compare;
If but active loss surpasses permissible value, disconnect user also sends an alerting signal.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IL130407 | 1999-06-10 | ||
| IL13040799A IL130407A0 (en) | 1999-06-10 | 1999-06-10 | Electrical energy meter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1367905A true CN1367905A (en) | 2002-09-04 |
| CN1169076C CN1169076C (en) | 2004-09-29 |
Family
ID=11072910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB008111863A Expired - Fee Related CN1169076C (en) | 1999-06-10 | 2000-06-08 | Electrical energy meter |
Country Status (7)
| Country | Link |
|---|---|
| CN (1) | CN1169076C (en) |
| AP (2) | AP2002002385A0 (en) |
| AU (1) | AU5243200A (en) |
| EA (1) | EA003601B1 (en) |
| IL (1) | IL130407A0 (en) |
| UA (1) | UA72254C2 (en) |
| WO (1) | WO2000077527A2 (en) |
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| CN107305244A (en) * | 2016-04-20 | 2017-10-31 | 白庆文 | Electric energy meter abnormal alarm device |
| CN112394221A (en) * | 2019-08-15 | 2021-02-23 | 美国亚德诺半导体公司 | Measuring power consumption |
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| FR2834408B1 (en) * | 2001-12-28 | 2008-05-30 | Roiret Entpr S | ELECTRONIC SYSTEM FOR MANAGING INFORMATION AND DISTRIBUTING PRODUCT (S) AND / OR NETWORK SERVICE (S) (X). |
| KR100641128B1 (en) | 2002-07-12 | 2006-11-02 | 엘지전자 주식회사 | Wireless telemetering apparatus and control method of mobile communication system |
| GB2408578B (en) * | 2003-11-25 | 2007-01-24 | Landis & Gyr Ag | Improvements in or relating to metering |
| SG140494A1 (en) * | 2006-08-24 | 2008-03-28 | Energy Market Authority | Utility vending system and method |
| DE102009011757A1 (en) | 2009-03-04 | 2010-09-09 | Inensus Gmbh | Controller for small power grids for use as interface between one or more current generators and individual electricity consumers, comprises energy distributor for branching of electrical power from feeder line to multiple consumer lines |
| CN102121977A (en) * | 2010-12-14 | 2011-07-13 | 华北电网有限公司计量中心 | Method and device for detecting IC (Integrate Circuit) card electric energy meter |
| CN103323666B (en) * | 2013-06-24 | 2015-12-23 | 南京国电南自电网自动化有限公司 | Integrated form electric energy metering module |
| CN104158670B (en) * | 2014-08-27 | 2017-12-26 | 北京华力创通科技股份有限公司 | Gigabit Ethernet bypass apparatus |
| CN106920331B (en) * | 2017-01-13 | 2019-06-28 | 成都中科慧源科技有限公司 | A kind of metering abnormality alarming system and method for intelligent gas meter |
| CN106910290B (en) * | 2017-01-13 | 2019-06-28 | 成都中科慧源科技有限公司 | A kind of metering abnormality alarming system of intelligent gas meter |
| CN111830301B (en) * | 2019-04-23 | 2023-03-31 | 宁波三星智能电气有限公司 | Electric energy meter |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3870866A (en) * | 1971-11-11 | 1975-03-11 | Halpern John Wolfgang | Fee charging system |
| US4240030A (en) * | 1978-12-14 | 1980-12-16 | Bateman Jess R | Intelligent electric utility meter |
| GB8412277D0 (en) * | 1984-05-14 | 1984-06-20 | Gen Electric Co Plc | Electricity metering equipment |
| GB8614620D0 (en) * | 1986-06-16 | 1986-07-23 | Schlumberger Electronics Uk | Commodity metering systems |
| JP3220056B2 (en) * | 1997-08-06 | 2001-10-22 | 矢崎総業株式会社 | Prepaid energy meter |
-
1999
- 1999-06-10 IL IL13040799A patent/IL130407A0/en unknown
-
2000
- 2000-06-08 CN CNB008111863A patent/CN1169076C/en not_active Expired - Fee Related
- 2000-06-08 AP APAP/P/2002/002385A patent/AP2002002385A0/en unknown
- 2000-06-08 WO PCT/IL2000/000340 patent/WO2000077527A2/en active Application Filing
- 2000-06-08 AP APAP/P/2002/002390A patent/AP2002002390A0/en unknown
- 2000-06-08 AU AU52432/00A patent/AU5243200A/en not_active Abandoned
- 2000-06-08 EA EA200101233A patent/EA003601B1/en not_active IP Right Cessation
- 2000-08-06 UA UA2002010189A patent/UA72254C2/en unknown
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009127152A1 (en) * | 2008-04-18 | 2009-10-22 | 湖北盛佳电器设备有限公司 | Quickly combined cordwood metering device and function expanding module combined with the same |
| CN105572471A (en) * | 2015-12-18 | 2016-05-11 | 杭州意聚电子技术有限公司 | Multipath meter, built-in circuit board and centralized meter reading system |
| CN107305244A (en) * | 2016-04-20 | 2017-10-31 | 白庆文 | Electric energy meter abnormal alarm device |
| CN112394221A (en) * | 2019-08-15 | 2021-02-23 | 美国亚德诺半导体公司 | Measuring power consumption |
| CN112394221B (en) * | 2019-08-15 | 2024-05-28 | 美国亚德诺半导体公司 | Measuring power consumption |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1169076C (en) | 2004-09-29 |
| EA200101233A1 (en) | 2002-06-27 |
| AP2002002385A0 (en) | 2002-03-31 |
| AU5243200A (en) | 2001-01-02 |
| EA003601B1 (en) | 2003-06-26 |
| WO2000077527A3 (en) | 2001-04-19 |
| IL130407A0 (en) | 2000-06-01 |
| UA72254C2 (en) | 2005-02-15 |
| AP2002002390A0 (en) | 2002-03-31 |
| WO2000077527A2 (en) | 2000-12-21 |
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