CN201974471U - Single-phase electronic carrier electric energy meter - Google Patents
Single-phase electronic carrier electric energy meter Download PDFInfo
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- CN201974471U CN201974471U CN201120050112XU CN201120050112U CN201974471U CN 201974471 U CN201974471 U CN 201974471U CN 201120050112X U CN201120050112X U CN 201120050112XU CN 201120050112 U CN201120050112 U CN 201120050112U CN 201974471 U CN201974471 U CN 201974471U
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- electric energy
- energy meter
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- digital signal
- signal processing
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Abstract
The utility model discloses a single-phase electronic carrier electronic energy meter, which comprises a voltage sampling module, a current sampling module, an electric energy metering chip and a digital signal processing chip. The single-phase electronic carrier electric energy meter is characterized by further comprising an event recording module, a large-picture wide-temperature-range liquid crystal display module, a filter and a load switch, the event recording module records and permanently stores all status information of the electric energy meter, the large-picture wide-temperature-range liquid crystal display module can display all status information of the electric energy meter, and the filter filters voltage and current signals which are respectively acquired by the voltage sampling module and the current sampling module. Compared with an existing electric energy meter, the single-phase electronic carrier electric energy meter has functions of electric energy metering, information storage and processing, real-time monitoring, information exchange and the like.
Description
Technical field
The utility model relates to a kind of electric energy meter, in particular the electronic single-phase carrier electric energy meter.
Background technology
Along with the reform of network system, existing electric energy meter all can not satisfy the needs of electric energy meter development in the function of data-handling capacity, logout ability and information interaction.
Therefore, prior art has yet to be improved and developed.
The utility model content
The purpose of this utility model is to provide the electronic single-phase carrier electric energy meter, be intended to solve existing electric energy meter in data-handling capacity, the deficiency on logout ability and the information interaction function.
The technical solution of the utility model is as follows: a kind of electronic single-phase carrier electric energy meter, it is characterized in that, and comprise voltage sample module, current sample module, electric energy computation chip, digital signal processing chip, it is characterized in that, also comprise:
Record and permanent logout module of preserving all status informations of electric energy meter;
The wide temperature LCD MODULE of big picture that can show all status informations of electric energy meter;
The voltage and current signal that voltage sample module and current sample module are taked carries out the wave filter of Filtering Processing;
Also comprise an on-load switch;
Described voltage sample module and current sample module are connected the wave filter of various correspondences respectively, described wave filter connects described electric energy computation chip, described electric energy computation chip connects digital signal processing chip, described digital signal processing chip connection event logging modle, the big wide temperature LCD MODULE of picture and on-load switch.
Described electronic single-phase carrier electric energy meter, wherein, described electric energy meter also comprises communication module, described communication module comprises an infrared communication module, a serial communication modular at least.
Described electronic single-phase carrier electric energy meter, wherein, described electric energy meter comprises that also one has the clock module of calendar, leap year, timing, season, festivals or holidays auto-conversion function, described clock module connects described digital signal processing chip.
Described electronic single-phase carrier electric energy meter, wherein, described serial communication modular is the RS485 communication module.
The beneficial effects of the utility model: the utility model is by adopting ultra-large digital signal processing chip, forever preserving advanced technologies such as logout module, RS485 communication and the infrared communication of information, the big wide temperature liquid crystal display of picture, make electric energy meter integrate numerous functions, have functions such as electrical energy metering, information stores and processing, monitoring in real time, information interaction.
Description of drawings
Fig. 1 is the theory diagram of electric energy meter in the utility model.
Fig. 2 is the LCD display interface reference diagram of electric energy meter in the utility model.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, clear and definite, below the utility model is further described with reference to the accompanying drawing embodiment that develops simultaneously.
As shown in Figure 1, described electric energy meter comprises current sample module, voltage sample module, electric energy computation chip, digital signal processing chip, storer, logout module, the big wide temperature LCD MODULE of picture, communication module and on-load switch.Also comprise the wave filter that is separately positioned on current sample module and voltage sample module output.
Described logout module is used for record and permanent all status informations of electric energy meter of preserving; The wide temperature LCD MODULE of described big picture is used to show all status informations of electric energy meter; Described voltage sample module and current sample module take a sample respectively on the single-phase electric wire the voltage and current signal, and carry out sending into electric energy computation chip after the Filtering Processing through wave filter respectively.
Described voltage sample module and current sample module are connected the wave filter of various correspondences respectively, described wave filter connects described electric energy computation chip, described electric energy computation chip connects digital signal processing chip, described digital signal processing chip connection event logging modle and the big wide temperature LCD MODULE of picture.
Described communication module comprises an infrared communication module, a serial communication modular at least; Described communication module is used for electric energy meter and carries out data transmission, and broadcasting is during the school, checks meter and manages.Described serial communication modular is the RS485 communication module.Described communication module also comprises a carrier communication module.Described communication module is connected to described digital signal processing chip.
Described electric energy meter on-load switch can close in overload condition ShiShimonoseki of normal galvanic circle conditioned disjunction regulation, carrying and dropout current.
Described electric energy meter comprises that also one has the clock module of calendar, leap year, timing, season, festivals or holidays auto-conversion function.Described clock module is connected to described digital signal processing chip.
The principle of work of described electric energy meter is, during intelligent electric energy meter work, voltage, electric current through sampling module be converted to sampled signal and by Filtering Processing after send into electric energy computation chip, electric energy computation chip is converted into pulse signal with energy signal and delivers to digital signal processing chip and carry out the electric pulse collection, electric weight accumulative total and every computational analysis are handled, and its result is kept in the storer; Simultaneously digital signal processing chip is finished function treatment such as infrared, 485 communications, liquid crystal display.Electric energy meter has clock circuit, guarantee clock under nominal temperature clock day error less than 0.5s/d.Adopt Redundancy Design on the data security, the The data multiple duplication guarantees that continuous data is reliable.
The major function of described electric energy meter has function of measuring, voltage, electric current, load monitoring function, the power off time statistical function, clearing time and electric weight freezing function, calendar function, function during the broadcasting school, data storage and time keeping function, load record, communication function, Presentation Function, electric flux pulse output, time signal output.
The electric quantity metering function of described electric energy meter specifically is to have forward and reverse active energy function of measuring, and oppositely active energy measures and stores by the forward active energy.
The voltage of described electric energy meter, electric current, load monitoring function specifically are to measure, write down, show real-time voltage, electric current, active power, power factor.
The time statistical function of described electric energy meter is the day power off time of per diem adding up total power off time and preserving 31 days.Mistiming between power off time statistics is begun to power on to next time by power down.Electric energy meter should be able to monthly write down frequency of power cut and accumulative total power off time (resolution for minute).Can write down nearest 12 months.
The clearing time and the electric weight freezing function of described electric energy meter are specially:
1) the clearing time can be every month arbitrary day, and default setting is every month 0 o'clock on the 1st; Can store in the ammeter last 12 monthly billing day data;
2) a hour electric weight freezes, and electric energy meter can store the total electric weight of integral point hourly, preserves nearest 96 hours;
3) a day electric weight freezes, and electric energy meter can store 0 electric weight every day, preserves nearest 62 days;
4) instantaneous freezing: under improper situation, freeze current all electric quantity datas, calendar and time and important measurement data.The instantaneous amount of freezing is preserved last 3 secondary data.
The calendar function of described electric energy meter be meant have calendar, leap year, timing, season, festivals or holidays auto-conversion function.Being provided with of calendar and time must have the safety practice that prevents unauthorized people's operation.
When described electric energy meter can also be broadcasted the school, not limited by password and hardware programming switch, but in the time of can only being less than or equal to 5 minutes electric energy meter and carrying out the school clocking error, only allow check and correction every day once, and when avoiding as far as possible before and after zero point at midnight, broadcasting the school in 5 minutes.Have the electric energy meter mailing address to the time restriction of command frame when not being subjected to 5 minutes schools, but ammeter should write down to the time Action Events.
After the described electric energy meter electric source outage, all data holding times relevant with clearing were at least 10 years, and other data hold time was at least 3 years.
The event recording function of described electric energy meter can write down following several situation:
1) ammeter can provide event of failure information, realizes distant place fault diagnosis functions, and lists all logout inventories in detail;
2) electric energy meter should be able to monthly write down frequency of power cut and accumulative total power off time (resolution for minute).Can write down nearest 3 months;
3) can write down the programming total degree, the Data Identification of the moment of nearest 10 programmings, operator's code, programming item;
The moment, operator's code when total degree in the time of 4) can writing down school when school (do not comprise broadcasting), nearest 10 schools;
5) can write down nearest 10 Long-distance Control and operate a switch and nearest 10 Long-distance Control combined floodgate incidents, record draws, the combined floodgate incident takes place, constantly and data such as important electric flux;
6) can write down game clock lid total degree, data such as the generation of nearest 10 game clock lid incident, the finish time, electric flux;
7) moment and the electric energy data of permanent recording ammeter zero clearing incident.
The load record of described electric energy meter, its load record content comprises voltage, electric current, frequency, has, reactive power, power factor has, idle total electric energy, four-quadrant is idle total electric energy, current requirement in totally six classes combination in any select.Can provide the time interval of setting according to the user that selected content is carried out the rolling data writing function, can set 1,5,10,15,20,30,60 minute seven kinds of data sampling time interval, every type load interval time can be identical, also can be different.Also can select several or all as recorded content, every some record all has the markers of 5 bytes, " year, month, day, hour, min " during the record data sampling, the load record storage space should guarantee record, idle total electric energy, the time interval is to be no less than 30 days data capacity under the situation of 1min.
Described electric energy meter has communication function, described electric energy meter possesses one road RS485 communication interface and one road expansion interface at least, and modulation system infrared light mouth or contact infrared light mouth, support RS485 and extension frequency carrier, OFDM carrier wave, wireless or other communication modules, communication module must adopt modular design, the plug of tenaculum electric heating.The communication channel Physical layer must be independent, and the damage of any communication channel all must not influence other channel operate as normal.When critical event takes place, support initiatively to report.
Described electric energy meter has the function of electric flux pulse output, and electric energy meter should possess light pulse output and the electric pulse output that is directly proportional with the electric flux that is measured; Superbright, long-life LED light, pulse width: 80ms ± 20ms are adopted in light pulse output; The necessary electrical isolation of electric pulse output, and can touch from the front.
Described electric energy meter has a function of energy pulse output, and time signal is the 1Hz pulse signal.
The Presentation Function of electric energy meter is divided into the Automatic Cycle demonstration and button is selected to show two kinds.Presentation Function is divided into three kinds of numerical value, code and symbols:
A) display items display can be provided with on request, follows to show fixing 5s interval time;
B) the ammeter content displayed comprises main reveal codes and auxiliary reveal codes or two aspects of Chinese character: main reveal codes indication numerical value, auxiliary reveal codes and Chinese character indicated number item content and numerical value unit.The numerical value figure place showing is no less than 8, shows that decimal place can be provided with, and gives tacit consent to 2 decimals; Numerical value unit shows should adopt national legal unit of measurement, as: kWh, V etc.;
C) the content displayed option comprises: electric energy; Date; Time; Voltage; Power off time.
Electric energy meter adopts LCD to show, the corresponding reveal codes of displaying contents is referring to the explicit declaration of the display interface reference diagram of Fig. 2 and table 1, table 2, and table 1 is the electric energy meter display items, and table 2 is the Automatic Cycle displaying contents.
| Button operation | Explanation in Chinese | Displaying contents | Chinese mark |
| No matter why wheel shows value, and button always shows this content for the first time | Current total meritorious total electric weight | XXXXXX.XXkWh | Forward total electric weight of gaining merit |
| Button successively | Current forward is idle total electric weight | XXXXXX.XXkvarh | Forward is idle total electric weight |
| … | Voltage | XXXX.XX V | Voltage |
| … | Electric current | XXX.XXX A | Electric current |
| … | Meritorious realtime power | KW, 4 decimals | Meritorious general power |
| … | The current power factor | ?XX.XX | cosФ |
| … | Last day power off time | ?XXXXXX | Minute |
| … | Go up a day power off time | ?XXXXXX | Minute |
| … | Last day total meritorious electric weight | ?XXXXXX.XXkWh | Forward total electric weight of gaining merit |
| … | Go up a day total meritorious electric weight | ?XXXXXX.XXkWh | Forward total electric weight of gaining merit |
| … | Last month always meritorious electric weight | ?XXXXXX.XXkWh | Forward total electric weight of gaining merit |
| … | The month before last always meritorious electric weight | ?XXXXXX.XXkWh | Forward total electric weight of gaining merit |
| Button operation is the apparent or meritorious electric weight of forward of Returning wheel after 30 seconds | ? | ? | ? |
Table 1
| Serial number | Explanation in Chinese | Chinese mark |
| 1 | Current total meritorious total electric weight | The meritorious total electric weight of total accumulative total |
| 2 | Last month always meritorious electric weight | The meritorious total electric weight of total accumulative total |
| 3 | Current date | Date * */* */* */* |
| 4 | Error message | Err |
| 5 | Full word symbol liquid crystal test (ammeter self check simultaneously and demonstration diagnostic trouble code) | ? |
Table 2
The utility model is by adopting ultra-large digital signal processing chip, forever preserving advanced technologies such as logout module, RS485 communication and the infrared communication of information, the big wide temperature liquid crystal display of picture, make electric energy meter integrate numerous functions, have functions such as electrical energy metering, information stores and processing, monitoring in real time, information interaction.
Should be understood that; application of the present utility model is not limited to above-mentioned giving an example; for those of ordinary skills, can be improved according to the above description or conversion, all these improvement and conversion all should belong to the protection domain of the utility model claims.
Claims (4)
1. an electronic single-phase carrier electric energy meter is characterized in that, comprises voltage sample module, current sample module, electric energy computation chip, digital signal processing chip, it is characterized in that, also comprises:
Record and permanent logout module of preserving all status informations of electric energy meter;
The wide temperature LCD MODULE of big picture that can show all status informations of electric energy meter;
The voltage and current signal that voltage sample module and current sample module are taked carries out the wave filter of Filtering Processing;
Also comprise an on-load switch;
Described voltage sample module and current sample module are connected the wave filter of various correspondences respectively, described wave filter connects described electric energy computation chip, described electric energy computation chip connects digital signal processing chip, described digital signal processing chip connection event logging modle, the big wide temperature LCD MODULE of picture and on-load switch.
2. electronic single-phase carrier electric energy meter according to claim 1 is characterized in that described electric energy meter also comprises communication module, and described communication module comprises an infrared communication module, a serial communication modular at least.
3. electronic single-phase carrier electric energy meter according to claim 1, it is characterized in that, described electric energy meter comprises that also one has the clock module of calendar, leap year, timing, season, festivals or holidays auto-conversion function, and described clock module connects described digital signal processing chip.
4. electronic single-phase carrier electric energy meter according to claim 2 is characterized in that, described serial communication modular is the RS485 communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120050112XU CN201974471U (en) | 2011-02-28 | 2011-02-28 | Single-phase electronic carrier electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120050112XU CN201974471U (en) | 2011-02-28 | 2011-02-28 | Single-phase electronic carrier electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201974471U true CN201974471U (en) | 2011-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120050112XU Expired - Fee Related CN201974471U (en) | 2011-02-28 | 2011-02-28 | Single-phase electronic carrier electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201974471U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105319527A (en) * | 2015-11-23 | 2016-02-10 | 中国电力科学研究院 | An electric energy meter load record test method |
| CN109448252A (en) * | 2018-09-27 | 2019-03-08 | 宁波三星智能电气有限公司 | A kind of method of real-time setting CIU Rotation Item |
| CN109830096A (en) * | 2018-11-20 | 2019-05-31 | 国电南瑞南京控制系统有限公司 | A kind of single-phase double-channel communication module based on HPLC and MBUS |
| CN113075609A (en) * | 2021-04-13 | 2021-07-06 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Wave recording metering system |
-
2011
- 2011-02-28 CN CN201120050112XU patent/CN201974471U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105319527A (en) * | 2015-11-23 | 2016-02-10 | 中国电力科学研究院 | An electric energy meter load record test method |
| CN105319527B (en) * | 2015-11-23 | 2019-03-22 | 中国电力科学研究院 | A kind of electric energy meter load record test method |
| CN109448252A (en) * | 2018-09-27 | 2019-03-08 | 宁波三星智能电气有限公司 | A kind of method of real-time setting CIU Rotation Item |
| CN109830096A (en) * | 2018-11-20 | 2019-05-31 | 国电南瑞南京控制系统有限公司 | A kind of single-phase double-channel communication module based on HPLC and MBUS |
| CN113075609A (en) * | 2021-04-13 | 2021-07-06 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Wave recording metering system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110914 Termination date: 20130228 |