CN202285025U - One-phase fee-control smart electricity meter - Google Patents
One-phase fee-control smart electricity meter Download PDFInfo
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- CN202285025U CN202285025U CN2011204109912U CN201120410991U CN202285025U CN 202285025 U CN202285025 U CN 202285025U CN 2011204109912 U CN2011204109912 U CN 2011204109912U CN 201120410991 U CN201120410991 U CN 201120410991U CN 202285025 U CN202285025 U CN 202285025U
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Abstract
The utility model relates to a one-phase fee-control smart electricity meter, which comprises a meter casing, an indicator light, a display screen and a main board. The main board comprises a main control unit module, a power module, a measurement and monitor module, an event logging module, an alarm module, a freezing function module, a timing function module and a pulse output module. The main control unit module comprises an electric energy measuring unit module, a data processing module and a communication interface unit, the electric energy measuring unit module, the data processing module and the communication interface unit adopt three groups of isolated power supply, the electric energy measuring unit module comprises a fee-control function module, a fee-rate scheme module, a time interval scheme module and an electricity prize scheme module, and a communication interface comprises an independent modulation-type infrared light window, a recommend standard (RS) 485 communication interface and a standard interface of a carrier communication module.
Description
Technical field
The utility model belongs to a kind of power control unit of power industry, is meant a kind of single-phase expense control intelligent electric energy meter especially.
Background technology
The remote power kilowatt meter reading-out system is a kind of important selection measure of power department management, analysis, the various electric quantity datas of processing now.This system generally comprises user side electric energy meter, collector and three parts of background management system and forms.
The general work principle of existing this type systematic does, collector is accepted the control command of background management system, then the information of user side electric energy meter collection preserved and is sent to concentrator, uploaded data to the activity of background management system again by each concentrator.
Existing this type systematic has extensively utilized the embedded technology scheme to realize the running of this system, and in the prior art, electric energy meter is the pith of this system.Though this system has realized networked operation at aspects such as communications in the prior art.But the collection that is merely that this system had is copied low-voltage customer ammeter data function, and management, analysis and the deal with data of electric weight only can be provided power department.
Therefore developing a kind of electric energy meter that is widely used in the metering occasion of city, rural area or factory and enterprise single-phase alternating current is one of purpose of the application.
The utility model content
The purpose of the utility model is a kind of electric energy meter that is widely used in the metering occasion of city, rural area or factory and enterprise single-phase alternating current of exploitation, and this electric energy meter can satisfy the application of power department about long-distance meter-reading system.
The workpiece principle of the utility model is; Tested alternating voltage and electric current are through delivering to special-purpose electric energy computation chip through after a series of digital processings behind the sampling with high precision; Convert the pulse duration frequency signal that is directly proportional with active power to and give microprocessor; Microprocessor carries out timesharing with pulse signal according to the period rate and adds up, and obtains total electric weight and each rate electric weight, and the result is saved in the data memory.The function that microprocessor is accomplished demonstration simultaneously and carried out message exchange with the outside.
The utility model is realized through following technical scheme:
A kind of single-phase control intelligent electric energy meter that takes includes watchcase, pilot lamp, display screen; Mainboard includes the main control unit module on the said mainboard, power module is measured and monitoring modular; The logout module, alarm module, freezing function module, clocking capability module; Pulse output module, said main control unit module includes the electric energy metrical unit module, data processing unit module and communications interface unit module; Described electric energy metrical unit module, data processing unit module and communications interface unit module adopt three groups of power supplys of isolating; Said electric energy metrical unit module includes expense control functional module, rate, period and electricity price scheme module; Said communication interface includes has independently modulation system infrared light window, RS485 communication interface, carrier communication module standard interface;
Described RS485 interface is 1.
Said pilot lamp includes the pulse pilot lamp, alarm lamp and tripping operation pilot lamp.
Saidly include local expense control electric energy meter and long-range expense control electric energy meter according to expense control function.
The beneficial effect that the utility model can be realized is:
1, adopts advanced special IC and SMT, hot air reflux weldering, wave-soldering technological design, manufacturing, reliable in quality.
2, electric energy metrical unit and data processing unit, communications interface unit adopt three groups of insulating power supplies respectively, and all output signals all adopt photoelectricity to isolate, and improve Electro Magnetic Compatibility, also guarantee metering units independence steady operation simultaneously, do not receive the influence of communication interface.
3, wide-voltage range design, from the equal ability of 154V～265V operate as normal, ammeter does not damage during while 418V, has improved the adaptability of ammeter to working environment.
4, microprocessor adopts built-in house dog design, has guaranteed the reliable operate as normal of CPU, and continuous data adopts triple backups.Under abominable the interference, data are guaranteed safe and sound.
5, hermetically sealed dustproof, waterproofing design, the watchcase material has good fire-retardant and anticorrosive, ageing resistance.
6, adopt the hardware clock circuit with built-in temperature compensate function, temperature compensation function starts equally when having a power failure with powered battery, guarantees that clock accuracy is accurate.
Description of drawings
Fig. 1, the single-phase control intelligent electric energy meter workpiece schematic diagram that takes;
Fig. 2, the single-phase control intelligent electric energy meter front view that takes;
Fig. 3, the single-phase control intelligent electric energy meter rear view that takes;
Fig. 4, the single-phase control intelligent electric energy meter side view that takes.
1 watchcase, 2 display screens
3 infrared light windows, 4 pilot lamp
Embodiment
The embodiment of following DETAILED DESCRIPTION The present application; The example of said embodiment is shown in the drawings; Wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions; Be exemplary through the embodiment that is described with reference to the drawings below, only be used to explain the application, and can not be interpreted as restriction the application.
In order to realize the application's purpose, the utility model is realized through technology below adopting: a kind of single-phase control intelligent electric energy meter that takes, include watchcase 1, and pilot lamp 4 includes the pulse pilot lamp; Alarm lamp and tripping operation pilot lamp, display screen 2, mainboard includes the main control unit module on the said mainboard; Power module is measured and monitoring modular the logout module; Alarm module, freezing function module, clocking capability module; Pulse output module, said main control unit module includes the electric energy metrical unit module, data processing unit module and communications interface unit module; Described electric energy metrical unit module, data processing unit module and communications interface unit module adopt three groups of power supplys of isolating; Said electric energy metrical unit module includes expense control functional module, rate, period and electricity price scheme module; Said communication interface includes has independently modulation system infrared light window, 1 RS485 communication interface, carrier communication module standard interface.The expense control of selecting for use in the present embodiment is local expense control function, in other embodiment of the application, can select long-range expense control function for use.
Each functional module realizes in the following manner in the application:
1, function of measuring
A) have forward active energy, reverse active energy function of measuring, can store its data, and it is meritorious that combination can be set in view of the above.
B) have the time-sharing measurement function, active energy by the corresponding period add up, store total, point, peak respectively, put down, the paddy electric flux.
C) can store total electric energy and each rate electric flux of 12 months; The data storage boundary is the 24 o'clock the end of month constantly, or the integral point in every month No. 1 to No. 28 constantly.
2, take the control function
The realization of expense control function is divided into local and long-range dual mode: remote mode is through virtual medium and the realizations of long-range electricity-selling system such as carrier wave or RS485.
The local control electric energy meter that takes
In electric energy meter, carry out the electricity charge and calculate in real time, its major function comprises:
A) when remaining sum is less than or equal to the warning amount of money of setting, electric energy meter can be reminded the user with sound, light or other modes; The overdraw amount of money is answered real time record, and when the overdraw amount of money was lower than the overdraw thresholding amount of money of setting, electric energy meter sent power-off signal, control on-load switch interruption of power supply; After electric energy meter received the effectively continuous information of paying tariff, the deduction overdraw amount of money at first when remaining sum during greater than setting value (being defaulted as zero), can make electric energy meter be in the permission "on" position through long-range or local mode, by artificial local recovery power supply.
B) remaining sum can not surpass the maximum Stored Value amount of money of electric energy meter that design allows; The maximum Stored Value amount of money is determined by the electric energy meter figure place showing.
C) electricity charge amount of money that prestores of electric energy meter should be able to carry out accurate superposition with the remaining sum in the table, and can information such as remaining sum, electric energy meter power consumption parameter be returned and be written to solid state medium.
D) electric energy meter is not accepted any information of non-appointment medium input.When using non-appointment medium or carrying out illegal operation, electric energy meter can effectively protect; After non-appointment medium or illegal operation are cancelled, electric energy meter can operate as normal and data do not lose.
G) through solid state medium to electric energy meter carry out the parameter setting, the electricity charge that prestore, information are returned and are write, ESAM data copy reading and when issuing the remote control command operation; Need through strict password authentification and safety certification, other power consumption parameter settings except that the user purchases electrical information also should be in electric energy meter to programme under the enable state and can carry out through programming key and programming password authentification.
The long-range control electric energy meter that takes
The electricity charge are calculated and in long-range electricity-selling system, to be accomplished, and do not store in the table, demonstration and the electricity charge, electricity price relevant information.Electric energy meter receiving remote electricity-selling system issues operates a switch, allows to close a floodgate, during ESAM data copy reading instruction, need through strict password authentification and safety certification.
Can be provided with the power consumption parameter in the electric energy meter through virtual medium;
Safety certification is encrypted requirement
Through solid state medium or virtual medium electric energy meter is carried out the parameter setting, the electricity charge that prestore, when information is returned and write and issue the remote control command operation, needs through safety certifications such as strict password authentification or ESAM modules, reliable to guarantee data transmission security.The AES of ESAM module should meet the relevant policies of national Password Management, uses the SM1 algorithm.Electric energy meter carries out the safety certification inspection through the testing agency that qualification is arranged in the system to the electric energy meter data transmission when full performance test or reception test, inspection is according to " intelligent electric energy meter message exchange secure authentication technology standard ".
3 measure and monitoring
Operational factors such as the voltage of energy measurement, record, the current electric energy meter of demonstration, electric current (comprising neutral line current), power, power factor.Measuring error (fiducial error) is no more than ± and 1%.
4 logouts
A) generation of permanent recording electric energy meter zero clearing incident constantly and the electric energy data during zero clearing.
B) record programming total degree, the Data Identification of the moment of nearest 10 programmings, operator's code, programming item.Adopt
The moment, operator's code when c) record total degree (when not comprising the broadcasting school) during the school, nearest 10 schools.
D) total degree of record power down, the moment that nearest 10 power down take place and finish.
E) nearest 10 Long-distance Control of record are operated a switch and nearest 10 Long-distance Control combined floodgate incidents, and record draws, data such as the moment and electric flux take place the combined floodgate incident.
F) record game clock lid total degree, generation, the finish time of nearest 10 game clock lid incident.
5 rates, period and electricity price scheme
Have two cover tariff period tables, can change automatically in the moment of agreement; Every cover rate is supported 4 rates at least.
Have calendar, clock, should can be provided with 2 time zones the whole year at least, in 24h, can programme arbitrarily 8 periods at least; The minimum interval of period is 15min; Period can cross over reset.
Have two cover electricity price schemes, change automatically in the time of can or reaching the power consumption level of agreement in moment of agreement.
Support through infrared, RS485 communication interface revise rate scale, the time segment table and electricity price scheme, the safety practice that prevents that unauthorized people from operating is arranged.
6 Presentation Functions
A) electric energy meter can show following information:
1) of that month and monthly totally power consumption last month;
2) the current residual amount of money;
3) current ladder electricity price;
4) each rate accumulative total electric flux indicating value and total accumulative total electric flux indicating value;
5) current time;
6) alarm code or prompting;
7) plug-in card and communications status prompting;
8) table number of electric energy meter.
B) the electric weight unit of display is kilowatt hour (kWh), and figure place showing is 8, contains 2 decimals.
C) the remaining sum unit of display is a unit, and figure place showing is 8, contains 2 decimals.
D) the LCD mode of waking up backlight, comprise that button wakes up, infrared waking up (infrared equipment all can wake up arbitrarily), etc. mode; Under normal operating position, the LCD life-span is not less than 10 years.
Can wake demonstration (backlight can not lighted) up through button when e) having a power failure; Wake the back up as do not have operation, LCD should close after showing a circulation automatically automatically; The button display operation finishes to close demonstration automatically after 30 seconds.
F) pilot lamp :-pulse pilot lamp: redness, go out at ordinary times, glimmer during the metering active energy;
-alarm lamp: redness, just often go out, it is bright often to report to the police.
-tripping operation pilot lamp: yellow, bright during the on-load switch disjunction, go out at ordinary times.
7 warning functions
When following fault occurring or report to the police item, LCD rests on this code or alarm immediately, and backlight continues to light;
A) when remaining the electricity charge less than the warning electricity charge, prompting " please purchase ";
B) when electric energy meter breaks down, show the information code (representing) of makeing mistakes with Err-X X:
1) Err-01 control loop mistake;
2) Err-02ESAM mistake;
3) Err-04 clock cell voltage is low;
4) Err-08 clock failure;
5) Err-10 authentication error;
6) Err-16 revises wrong key.
8 freezing functions
Regularly freeze: electric energy data is freezed at time by appointment and interval; Each amount of freezing is preserved 12 times at least.
Instantaneous freezing: under improper situation, freeze the data of current calendar, time, all electric fluxs and important measuring amount; The instantaneous amount of freezing should be preserved last 3 times data.
Agreement is freezed: think in the old and new two cover rates/periods conversion, the conversion of ladder electricity price or Utilities Electric Co. and freeze to change electric flux and other significant datas constantly when special requirement is arranged, preserve last 2 freezing data.
Day freezes: storage electric flux constantly at zero point every day, should store bimestrial data.
Integral point freezes: the storage integral point moment or the least bit meritorious total electric energy constantly, should store 96 data.
The Data Identification that freezes content and correspondence should meet the DL/T 645-2007 and the documentation requirements of putting on record thereof.
9 clocking capabilitys
Employing has the built in hardware clock circuit of temperature compensation function, has calendar, timing, leap year auto-conversion function; Internal clocking terminal output frequency is 1Hz.In 25～+ 60 ℃ of temperature ranges, the clock accuracy≤± 1s/d; Under reference temperature (23 ℃), the clock accuracy≤± 0.5s/d.
Scope must not be greater than 5min during the acceptable broadcasting of electric energy meter school; Key and signal code cooperation need not to programme during the broadcasting school; Number of times can be provided with (default to when only allowing the school every day once) as requested when allowed the school every day, and should avoid electric energy meter carry out freeze or settlement data unloading operation before and after carry out in the 5min.
10, pulse output
Electric energy meter has LED pulse and the electric pulse output function that is directly proportional with the electric energy that is measured.The requirement of the characteristic conforms GB/T17215.211-2006 of optical tests output unit.The requirement of the characteristic conforms GB/T15284-2002 of electrical testing output unit.Electric energy meter possesses clock signal output terminal.The clock terminal output frequency is 1Hz.
The above only is the application's a preferred implementation; Should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not break away from the application's principle; Can also make some improvement and retouching, improve and retouch the protection domain that also should be regarded as the application like this.
Claims (4)
1. the single-phase control intelligent electric energy meter that takes includes watchcase, pilot lamp, display screen; Mainboard is characterized in that: include the main control unit module on the said mainboard, power module is measured and monitoring modular; The logout module, alarm module, freezing function module, clocking capability module; Pulse output module, said main control unit module includes the electric energy metrical unit module, data processing unit module and communications interface unit module; Described electric energy metrical unit module, data processing unit module and communications interface unit module adopt three groups of power supplys of isolating; Said electric energy metrical unit module includes expense control functional module, rate, period and electricity price scheme module; Said communication interface includes has independently modulation system infrared light window, RS485 communication interface, carrier communication module standard interface.
2. the single-phase control intelligent electric energy meter that takes according to claim 1, it is characterized in that: described RS485 interface is 1.
3. the single-phase control intelligent electric energy meter that takes according to claim 1, it is characterized in that: said pilot lamp includes the pulse pilot lamp, alarm lamp and tripping operation pilot lamp.
4. the single-phase control intelligent electric energy meter that takes according to claim 1 is characterized in that: saidly include local control electric energy meter and the long-range expense control electric energy meter of taking according to expense control function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204109912U CN202285025U (en) | 2011-10-24 | 2011-10-24 | One-phase fee-control smart electricity meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204109912U CN202285025U (en) | 2011-10-24 | 2011-10-24 | One-phase fee-control smart electricity meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202285025U true CN202285025U (en) | 2012-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204109912U Expired - Fee Related CN202285025U (en) | 2011-10-24 | 2011-10-24 | One-phase fee-control smart electricity meter |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103792402A (en) * | 2012-11-02 | 2014-05-14 | 苏州工业园区新宏博通讯科技有限公司 | Electric energy meter |
| CN103852608A (en) * | 2012-11-29 | 2014-06-11 | 张金茂 | Electricity meter |
| CN104251927A (en) * | 2013-06-28 | 2014-12-31 | 苏州工业园区新宏博通讯科技有限公司 | Oil machine mains electricity meter software implementing method and oil machine mains electricity meter |
| CN107748288A (en) * | 2017-09-28 | 2018-03-02 | 国网重庆市电力公司电力科学研究院 | Radio energy table based on radio communication |
| CN108414807A (en) * | 2018-03-15 | 2018-08-17 | 上海燕赵电子科技有限公司 | Single-phase guide rail type takes control intelligent electric energy meter |
| CN108445267A (en) * | 2018-03-15 | 2018-08-24 | 上海燕赵电子科技有限公司 | Three-phase guide rail-type takes control intelligent electric energy meter |
-
2011
- 2011-10-24 CN CN2011204109912U patent/CN202285025U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103792402A (en) * | 2012-11-02 | 2014-05-14 | 苏州工业园区新宏博通讯科技有限公司 | Electric energy meter |
| CN103852608A (en) * | 2012-11-29 | 2014-06-11 | 张金茂 | Electricity meter |
| CN104251927A (en) * | 2013-06-28 | 2014-12-31 | 苏州工业园区新宏博通讯科技有限公司 | Oil machine mains electricity meter software implementing method and oil machine mains electricity meter |
| CN107748288A (en) * | 2017-09-28 | 2018-03-02 | 国网重庆市电力公司电力科学研究院 | Radio energy table based on radio communication |
| CN108414807A (en) * | 2018-03-15 | 2018-08-17 | 上海燕赵电子科技有限公司 | Single-phase guide rail type takes control intelligent electric energy meter |
| CN108445267A (en) * | 2018-03-15 | 2018-08-24 | 上海燕赵电子科技有限公司 | Three-phase guide rail-type takes control intelligent electric energy meter |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 3, No. Patentee after: Surbana Qingdao Huitong Energy Technology Co Ltd Address before: Zhuzhou Road East first takada Industrial Park of Laoshan District of Shandong Province, Qingdao City, 3 floor, 266101 Patentee before: Qingdao Shize Electronic Meter Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120627 Termination date: 20191024 |
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| CF01 | Termination of patent right due to non-payment of annual fee |