CN201589813U - Single-phase intelligent type electric energy meter - Google Patents
Single-phase intelligent type electric energy meter Download PDFInfo
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- CN201589813U CN201589813U CN2009203503882U CN200920350388U CN201589813U CN 201589813 U CN201589813 U CN 201589813U CN 2009203503882 U CN2009203503882 U CN 2009203503882U CN 200920350388 U CN200920350388 U CN 200920350388U CN 201589813 U CN201589813 U CN 201589813U
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Abstract
The utility model discloses a single-phase intelligent type electric energy meter comprising a main control module and a clock module, an E-SAM secrete key authentication module, a display module, an infrared/RS485 communication module, an on-off module, a metering module and a power supply module that are all connected with the main control module, wherein the main control module is also connected with an event log module that is used for acquiring and recording the present event in real time from the main control module.
Description
Technical field
The utility model relates to a kind of single-phase intelligent type electric energy meter.
Background technology
Electric energy meter is the instrument that is used for measuring electric energy, is commonly called as watt-hour meter, energy meter.
Along with China's rapid development of economy, all trades and professions are increasing to the demand of electricity, and the unbalanced phenomenon of different time power consumption is also serious day by day.Be to alleviate the sharp-pointed day by day imbalance between power supply and demand of China, regulate load curve, improve the unbalanced phenomenon of power consumption, the power department of domestic part provinces and cities has begun progressively to have released multi-rate electric energy meter, to user's power consumption time-shared charge.
Yet along with increasing of electric energy meter function, various accidents all may have influence on the stability and the security of electric energy meter, for this reason, be necessary that some critical events that electric energy meter is taken place carry out record, thereby also just can't safeguard the stability and the security of electric energy meter timely and accurately, therefore existing electric energy meter awaits further to improve.
The utility model content
The utility model provides a kind of single-phase intelligent type electric energy meter, to solve the defective that existing electric energy meter can't write down some critical events.
For reaching above-mentioned purpose, the disclosed single-phase intelligent type of the utility model electric energy meter comprises main control module and connected clock module, E-SAM key authentication module, display module, infrared/the RS485 communication module, power on/off module, metering module and supply module, and wherein: described main control module also is connected with the logout module.Described logout module is used for obtaining current event and making real-time record from described main control module, specifically can realize by a microcontroller chip that is independent of main control module and at least one jumbo storer, this microcontroller chip is used to obtain current event and does data processing, and storer then is used to store current event.
For example, the main control module that is provided with DLL (dynamic link library), program switch and programming password if there is not operation in the programming continuous input error of password or the schedule time, then closed programming state automatically, and is notified described logout module to note down after program switch is opened; And after password input is correct, the Data Identification of number of times, time, operator's code and programming that can the programming of notification event logging modle real time record; With this security and reliability of guaranteeing programming data, also be convenient to follow-up maintenance and management.
In the utility model, above-mentioned logout module also can be used for writing down any one or the combination in any in the following incident: the number of times of power down and time; Number of times during the school, time and operator's code; Electric energy data when the time of zero clearing and zero clearing; Time of operating a switch, closing a floodgate and electric energy data.Thereby make maintenance and managerial personnel can carry out data maintenance and management rapidly and efficiently according to the record that the logout module is done.
Optionally, above-mentioned metering module is used for adding up and storing at times the electric flux of day part, charges with the gradient electricity price by the period for long-range main website/electricity-selling system.For example, above-mentioned metering module specifically is used for adding up respectively and the electric flux of storage day part according to point, peak, flat, paddy 4 periods.Further, above-mentioned metering module adopts independently two-way computation chip, thereby makes this intelligent power table have forward, reverse active energy function of measuring, and combination active energy, the realization of being convenient to charge at times can be set in view of the above.Further, above-mentioned single-phase intelligent type electric energy meter also is provided with anti-shunt running logic module, to promote the accuracy and the reliability of electric energy meter metering.
Description of drawings
The structural scheme of mechanism of the single-phase intelligent type electric energy meter that Fig. 1 provides for the utility model embodiment.
Specific embodiment
Below in conjunction with Figure of description embodiment of the present utility model is done detailed description.Obviously, described embodiment only is a part of embodiment of the present utility model, and other embodiment that those skilled in the art is obtained under the prerequisite of not paying creative work belong to protection domain of the present utility model.
The utility model embodiment provides a kind of DDZ88 type single-phase intelligent type electric energy meter, as shown in Figure 1, this electric energy meter comprises main control module and connected clock module, E-SAM (Embedded Secure AccessModule) key authentication module, display module, infrared/the RS485 communication module, power on/off module, metering module and supply module, wherein, this main control module also is connected with the logout module, and the logout module is used for obtaining current event and making real-time record from main control module.
When above-mentioned clock module is mainly used in the school, adopt built in hardware clock circuit with temperature compensation function; In-25～+ 60 ℃ temperature range: the clock accuracy≤± 1s/d (average error in long-time); Under reference temperature (23 ℃), the clock accuracy≤± 0.5s/d; And this clock module also has calendar, timing, leap year auto-conversion function.
Above-mentioned E-SAM key authentication module is mainly used in long-range main website/electricity-selling system when this electric energy meter is sent control command, when for example carrying out billing operation, carries out the encryption and decryption computing, and is reliable to guarantee data transmission security.
Above-mentioned display module is made up of devices such as display screen, LED, code translators, is used for showing the frequently-used data of electric energy meter, for example, and information such as present clock, electric weight, programming state, fault.
Above-mentioned infrared/the RS485 communication module has RS485 interface and modulation type infrared interface, follow the DL/T 645-2007 agreement and the file of putting on record thereof based on the RS485 interface communication, follow the DL/T 645-2007 agreement and the file of putting on record thereof based on the communication of infrared interface, and the damage of arbitrary communication channel does not influence the operate as normal of another channel.
The jumping that above-mentioned power on/off module is used for control sluice is closed, and when long-range main website/electricity-selling system charges when drawing subscriber arrearage, this power on/off module can be according to the instruction automatic trip of the long-range main website/electricity-selling system that receives, and the processing of closing a floodgate after user's charging.
Above-mentioned metering module adopts independently two-way computation chip, make this intelligent power table have forward, reverse active energy function of measuring, and the combination active energy can be set in view of the above, at least be provided with four submodules with add up respectively and storage according to point, peak, put down, the electric fluxs of 4 periods of paddy, charge with the gradient electricity price by the period for long-range main website/electricity-selling system.In the present embodiment, above-mentioned electric energy meter has rate and the period that two covers can be programmed arbitrarily, and can reinstate another set of rate and period at the time point of setting, annual maximum can be provided with 6 time zones, 12 periods can be set in 24 hours at least, the period minimum interval is 15 minutes, and the period can cross over reset, and support festivals or holidays and public holiday special tariff period setting.Above-mentioned metering module also is used to measure operational factors such as power factor (PF), voltage and electric current.In the present embodiment, this single-phase intelligent type electric energy meter also is provided with anti-shunt running logic module, guarantees the accuracy and the reliability of this metering module metering with this.
Above-mentioned supply module is mainly used in to functional modules such as above-mentioned metering module and main control modules and powers, and can adopt the standby power supply of the lithium battery of environment-friendly type as this electric energy meter.
Above-mentioned main control module is used for self program stored or the program called are loaded into internal memory, carry out operation in an orderly manner to coordinate being attached thereto each module, thus during the school of realizing this DDZ88 type single-phase intelligent type electric energy meter, freeze, check meter, data storage and zero clearing, signal output and functions such as demonstration, measurement, communication, safety certification, warning and logout.And this main control module is provided with DLL (dynamic link library), program switch and programming password, carries out programming operation to prevent the unauthorized personnel.Wherein, program switch adopts the button design, and only can touch program switch after opening seal; Then electric energy meter needs could carry out programming or other special operationals by the programming password authentification earlier, continuous 3 password input errors, and electric energy meter will be closed programing function 24 hours automatically; Under programmable state, if 240 minutes in without any operation, electric energy meter will be closed programming state automatically.In the present embodiment, this main control module if there is not operation in the programming continuous input error of password or the schedule time, then closed programming state automatically, and is notified described logout module to note down after program switch is opened; And after password input is correct, the also Data Identification of the number of times of notification event logging modle real time record programming, time, operator's code and programming; With this security and reliability of guaranteeing programming data, also be convenient to follow-up maintenance and management.
Above-mentioned logout module is realized by a microcontroller chip that is independent of main control module and at least one jumbo storer that is attached thereto, this microcontroller chip is used to obtain current event and does data processing, storer then is used to store current event, and this storer can be electricity erasable memorizer or jumbo permanent storage; When this storer is electricity erasable memorizer, when can satisfy necessity its part or all of storage space is carried out clear operation, for example, safety certification goes out keeper's identity and confirms after its current operation, carries out zero clearing and handles.And this time keeping module also is provided with following submodule at least so that events corresponding is carried out record:
The Data Identification of submodule one, the number of times that is used to write down programming, time, operator's code and programming item;
Submodule two, be used to write down the number of times and the time of power down;
Submodule three, the number of times when being used to write down the school, time and operator's code;
Electric energy data when submodule four, the time that is used to write down zero clearing and zero clearing;
Submodule five, be used to write down the time and the electric energy data of operating a switch, closing a floodgate.
Recorded with reference to above-mentioned logging modle, maintenance and managerial personnel can carry out data maintenance and management rapidly and efficiently in view of the above, have improved work efficiency.
In use, this electric energy meter communicates by RS485 communication interface and long-range electricity-selling system/main website, and both realize expense control function alternately.Be that electric energy meter is finished function of measuring, long-range electricity-selling system/main website then carries out functions such as chargeing and deduct fees; Usually, can two cover ladder electricity prices be set, and can charge time point is set enables/switch to another set of ladder electricity price at above-mentioned electric energy meter; When subscriber arrearage, send trip signal by long-range main website/electricity-selling system, to user's outage, after the user supplemented with money, long-range main website/electricity-selling system sent and allows the order of closing a floodgate, and after the order effectively, allowed the user to close a floodgate, and can be restored electricity this moment by user's manual closing operation; And this long-range main website/electricity-selling system also can send alarm command to electric energy meter, sends alerting signal by electric energy meter, reminds subscriber payment to purchase.
More than; it only is preferred embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain that claim was defined.
Claims (8)
1. single-phase intelligent type electric energy meter, comprise main control module and connected clock module, E-SAM key authentication module, display module, infrared/the RS485 communication module, power on/off module, metering module and supply module, it is characterized in that: described main control module also is connected with the logout module, and described logout module is used for obtaining current event and making real-time record from described main control module.
2. single-phase intelligent type electric energy meter according to claim 1 is characterized in that, described main control module is provided with DLL (dynamic link library), program switch and programming password; And described main control module also is used for: after program switch is opened, if there is not operation in the programming continuous input error of password or the schedule time, then closes programming state automatically, and notify described logout module to note down.
3. single-phase intelligent type electric energy meter according to claim 1 is characterized in that, described logout module comprises at least:
The Data Identification of submodule one, the number of times that is used to write down programming, time, operator's code and programming item;
Submodule two, be used to write down the number of times and the time of power down;
Submodule three, the number of times when being used to write down the school, time and operator's code;
Electric energy data when submodule four, the time that is used to write down zero clearing and zero clearing;
Submodule five, be used to write down the time and the electric energy data of operating a switch, closing a floodgate.
4. according to the arbitrary described single-phase intelligent type electric energy meter of claim 1 to 3, it is characterized in that, described metering module be provided with at least four submodules with add up respectively and storage according to point, peak, put down, the electric fluxs of 4 periods of paddy.
5. single-phase intelligent type electric energy meter according to claim 4 is characterized in that, described metering module adopts independently the two-way computation chip and is connected with supply module.
6. according to the arbitrary described single-phase intelligent type electric energy meter of claim 1 to 3, it is characterized in that described single-phase intelligent type electric energy meter also is provided with anti-shunt running logic module.
7. single-phase intelligent type electric energy meter according to claim 4 is characterized in that, described single-phase intelligent type electric energy meter also is provided with anti-shunt running logic module.
8. single-phase intelligent type electric energy meter according to claim 5 is characterized in that, described single-phase intelligent type electric energy meter also is provided with anti-shunt running logic module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203503882U CN201589813U (en) | 2009-12-25 | 2009-12-25 | Single-phase intelligent type electric energy meter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203503882U CN201589813U (en) | 2009-12-25 | 2009-12-25 | Single-phase intelligent type electric energy meter |
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| CN201589813U true CN201589813U (en) | 2010-09-22 |
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| CN2009203503882U Expired - Lifetime CN201589813U (en) | 2009-12-25 | 2009-12-25 | Single-phase intelligent type electric energy meter |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102879619A (en) * | 2012-09-07 | 2013-01-16 | 上海申瑞继保电气有限公司 | Method for identifying full-scale jump of active electric measure |
| CN103033655A (en) * | 2011-10-08 | 2013-04-10 | 江阴长仪集团有限公司 | Intelligent electric energy meter with accurate timing module |
| CN111583622A (en) * | 2020-04-28 | 2020-08-25 | 南方电网数字电网研究院有限公司 | Metering information distribution processing system and method of double-core intelligent ammeter management unit |
| CN112229469A (en) * | 2020-10-20 | 2021-01-15 | 苏州工业园区清源华衍水务有限公司 | Remote-transmission valve-controlled water meter |
-
2009
- 2009-12-25 CN CN2009203503882U patent/CN201589813U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033655A (en) * | 2011-10-08 | 2013-04-10 | 江阴长仪集团有限公司 | Intelligent electric energy meter with accurate timing module |
| CN102879619A (en) * | 2012-09-07 | 2013-01-16 | 上海申瑞继保电气有限公司 | Method for identifying full-scale jump of active electric measure |
| CN102879619B (en) * | 2012-09-07 | 2015-04-01 | 上海申瑞继保电气有限公司 | Method for identifying full-scale jump of active electric measure |
| CN111583622A (en) * | 2020-04-28 | 2020-08-25 | 南方电网数字电网研究院有限公司 | Metering information distribution processing system and method of double-core intelligent ammeter management unit |
| CN111583622B (en) * | 2020-04-28 | 2021-01-22 | 南方电网数字电网研究院有限公司 | Metering information distribution processing system and method of double-core intelligent ammeter management unit |
| CN112229469A (en) * | 2020-10-20 | 2021-01-15 | 苏州工业园区清源华衍水务有限公司 | Remote-transmission valve-controlled water meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BEIJING BANNER ELECTRIC CO., LTD. Free format text: FORMER NAME: BEIJING BONA ELECTRONIC CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 102208 Beijing 1033 mailbox, Longcheng garden, Beijing, Changping District Patentee after: BEIJING BANNER ELECTRIC MANUFACTURING CORPORATION Address before: 102208 Beijing 1033 mailbox, Longcheng garden, Beijing, Changping District Patentee before: Beijing Banner Electrical Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100922 |
|
| CX01 | Expiry of patent term |