CN104035882A - Method for reading and storing imported electric energy meter data by adopting small-memory power concentrator - Google Patents
Method for reading and storing imported electric energy meter data by adopting small-memory power concentrator Download PDFInfo
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- CN104035882A CN104035882A CN201410278744.XA CN201410278744A CN104035882A CN 104035882 A CN104035882 A CN 104035882A CN 201410278744 A CN201410278744 A CN 201410278744A CN 104035882 A CN104035882 A CN 104035882A
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Abstract
The invention relates to the field of power systems, in particular to a method for reading and storing imported electric energy meter data by adopting a small-memory power concentrator. The method includes eight steps. By adopting the method, the small-memory power concentrator can be well used for reading and storing the imported electric energy meter data.
Description
Technical field
The present invention relates to field of power, relate in particular to a kind of power concentrator copy reading of little internal memory and method of storage import electric energy meter data of adopting.
Background technology
Power concentrator be by 485 or carrier communication the measuring apparatus of moving in various electrical networks is carried out to the equipment of data acquisition, and possess GPRS or optical fiber uploading channel returns data upload to main station system.Electric power acquisition has substituted craft in China most areas and has checked meter.But owing to there are a lot of import electric energy meters (Elst, Charles Rangel etc.) in China's electrical network at present, these electric energy meters have communication protocol separately, and the interactive mode of these stipulations is all generally disposable mutual all continuous datas.Want this electric energy meter of copy reading conventionally need to consume a large amount of internal memories and remove to preserve ephemeral data, and power equipment Market competition, because the needs of cost, so power concentrator can only be equipped less internal memory conventionally for guaranteeing substantially can gather the ammeter of domestic stipulations, but this little internal memory power concentrator does not have good method to the copy reading of import table and storage.
Summary of the invention
Technical matters to be solved by this invention is: a kind of power concentrator copy reading of little internal memory and method of storage import electric energy meter data of adopting is provided, adopt in this way, the power concentrator of little internal memory just can well copy reading with the data of storage import electric energy meter.
The technical solution adopted in the present invention is: a kind of power concentrator copy reading of little internal memory and method of storage import electric energy meter data of adopting, described power concentrator comprises flash memory and random access memory, and in described flash memory, be provided with for storing the global storage district of all measurement point data and for the Data Identification mapping table of data-switching, it comprises the following steps:
(1) when, power concentrator starts first, in the flash memory of power concentrator, set up in addition Yi Ge separate, stored district, and in described memory block, be provided with measurement point index area, Data Identification index area and data field, and described measurement point index area, Data Identification index area and data field are corresponding successively;
(2), after power concentrator starts, according to the task of checking meter, carry out the copy reading of various electric energy meters,, when copy reading is during to the measurement point of import electric energy meter type, this measurement point and import table sign are deposited in the measurement point index area in separate, stored district;
(3), then the Data Identification of this measurement point is deposited into corresponding Data Identification index area, the Data Identification index area of described correspondence refers to, Data Identification index area corresponding to measurement point index area that this measurement point deposits in;
(4), again the data of this measurement point are deposited into corresponding data field, the data field of described correspondence refers to, data field corresponding to Data Identification index area that the Data Identification of this measurement point deposits in,
And when the data of originally depositing in reading corresponding data field and the data consistent that need to deposit in, directly carry out depositing in of next data, if it is inconsistent with the data that need to deposit in to read the data of originally depositing in corresponding data field, the data that deposit in, then carry out depositing in of next data;
(5), after all data of this measurement point all deposit separate, stored district in, according to this measurement point, find the position of the measurement point index area at this measurement point place, according to the position of the measurement point index area at this measurement point place, find the Data Identification of this measurement point in the position of Data Identification index area again, finally according to the position of Data Identification index area, find the position of data field of the data storage of this measurement point;
(6), then according to the import table sign in measurement point index area and the Data Identification mapping table being arranged in flash memory, find corresponding data layout;
(7) data of this measurement point that the corresponding data form, finding according to step (6) again finds step (5) are converted into the data layout of actual needs;
(8), finally deposit the data after transforming in global storage district appointed area, and then jump to step (2) and proceed copy reading according to the task of checking meter.
Adopt above method compared with prior art, the present invention has the following advantages: because the random access memory (RAM) in power concentrator is just equivalent to the internal memory in computer, flash memory in power concentrator (FLASH) is just equivalent to the hard disk in computer, and random access memory is to need transmission speed faster, so cost is higher, so for cost consideration generally do less, only have even several K of tens K, generally not enough, and flash memory is a large amount of measurement point information of storage, so itself be enough large, and first the application by depositing the disposable mutual mass data of import electric energy meter in the Yi Kuai separate, stored district that again opens up out in flash memory, then corresponding stored is good, and then the data that these are stored are carried out corresponding data conversion, store into more afterwards in the global storage district storing for measurement point data in flash memory, copy reading and the storage of an import electric energy meter have so just been completed, and do not need mass data to store in random access memory, greatly reduce the load of random access memory, make the power concentrator that random access memory is less also can copy reading and storage import electric energy meter, and because the read-write of flash memory has number of times restriction, so when reading the data of changing data field, if data are identical, do not do change and can better reduce read-write number of times, increased the serviceable life of flash memory.
As preferably, the separate, stored district in described step (1) can store for the measurement point data of N import electric energy meter type, can automatically cover the data of first measurement point when the data of N+1 measurement point deposit in.Flash memory is set so does not just need to divide very large capacity to separate, stored district, does not need to increase the capacity of flash memory, can in the situation that not increasing hardware cost, realize the object that the present invention will reach like this.
Embodiment
Below in conjunction with embodiment, the present invention is described further, but the present invention is not limited only to following embodiment.
A kind of power concentrator copy reading of little internal memory and method of storage import electric energy meter data of adopting, described power concentrator comprises flash memory and random access memory, and in described flash memory, be provided with for storing the global storage district of all measurement point data and for the Data Identification mapping table of data-switching, it comprises the following steps:
(1) when, power concentrator starts first, in the flash memory of power concentrator, set up in addition Yi Ge separate, stored district, and in described memory block, be provided with measurement point index area, Data Identification index area and data field, and described measurement point index area, Data Identification index area and data field are corresponding successively;
(2), after power concentrator starts, according to the task of checking meter, carry out the copy reading of various electric energy meters,, when copy reading is during to the measurement point of import electric energy meter type, this measurement point and import table sign are deposited in the measurement point index area in separate, stored district;
(3), then the Data Identification of this measurement point is deposited into corresponding Data Identification index area, the Data Identification index area of described correspondence refers to, Data Identification index area corresponding to measurement point index area that this measurement point deposits in;
(4), again the data of this measurement point are deposited into corresponding data field, the data field of described correspondence refers to, data field corresponding to Data Identification index area that the Data Identification of this measurement point deposits in,
And when the data of originally depositing in reading corresponding data field and the data consistent that need to deposit in, directly carry out depositing in of next data, if it is inconsistent with the data that need to deposit in to read the data of originally depositing in corresponding data field, the data that deposit in, then carry out depositing in of next data;
(5), after all data of this measurement point all deposit separate, stored district in, according to this measurement point, find the position of the measurement point index area at this measurement point place, according to the position of the measurement point index area at this measurement point place, find the Data Identification of this measurement point in the position of Data Identification index area again, finally according to the position of Data Identification index area, find the position of data field of the data storage of this measurement point;
(6), then according to the import table sign in measurement point index area and the Data Identification mapping table being arranged in flash memory, find corresponding data layout;
(7) data of this measurement point that the corresponding data form, finding according to step (6) again finds step (5) are converted into the data layout of actual needs;
(8), finally deposit the data after transforming in global storage district appointed area, and then jump to step (2) and proceed copy reading according to the task of checking meter.
Separate, stored district in described step (1) can, for the measurement point data storage of N import electric energy meter type, can automatically cover the data of first measurement point when the data of N+1 measurement point deposit in.
Described electricity meter-reading device is always at copy reading electric energy meter, only have and just can adopt method of the present invention during to import electric energy meter when copy reading, and during the common domestic electric energy meter of copy reading, because data are returned one by one and are returned, the random access memory of so little internal memory can be competent at this work completely, do not need to adopt method of the present invention
When import electric energy meter is arrived in copy reading, first exactly the sign of measurement point corresponding to this import electric energy meter and this import electric energy meter to be deposited in flash memory and divide in addition in the measurement point index area in separate, stored district out, this measurement point can be a numerical coding, can be also the numerical coding with alpha code; Then the Data Identification of this import electric energy meter is deposited into corresponding Data Identification index area, whether this also needs first to read in original Data Identification index area meaningful and whether this content is consistent with the content that need to write, if inconsistent, with the Data Identification of the import electric energy meter that need to write, cover original content, if unanimously do not make an amendment, described Data Identification is the information such as electric current, voltage; And then all data based Data Identification that in this import electric energy meter, disposable copy reading is come is deposited in corresponding data field, and also to first read in original data field, whether have data and this content whether consistent with the data that need to write, if the inconsistent original data of data cover of using the import electric energy meter that need to write, if unanimously do not make an amendment.Be equivalent to so the whole copy readings of the data of import electric energy meter come, but also need to carry out data processing and last storage, first need to find according to measuring period the raw data that is just now stored in separate, stored district, and then from Data Identification mapping table, find according to import electric energy meter sign the data layout needing, and then these raw data are converted into needed data, again the data that transformed are deposited into afterwards to the position of corresponding this measurement point in global storage district, now power concentrator has completed the copy reading of an import electric energy meter, when copy reading is during to the N+1 time, because can only store the data message of N measurement point in separate, stored district, now can cover the data of the measurement point depositing in for the 1st time.
Claims (2)
1. one kind adopts the power concentrator copy reading of little internal memory and the method for storage import electric energy meter data, described power concentrator comprises flash memory and random access memory, and in described flash memory, be provided with for storing the global storage district of all measurement point data and for the Data Identification mapping table of data-switching, it is characterized in that: it comprises the following steps:
(1) when, power concentrator starts first, in the flash memory of power concentrator, set up in addition Yi Ge separate, stored district, and in described memory block, be provided with measurement point index area, Data Identification index area and data field, and described measurement point index area, Data Identification index area and data field are corresponding successively;
(2), after power concentrator starts, according to the task of checking meter, carry out the copy reading of various electric energy meters,, when copy reading is during to the measurement point of import electric energy meter type, this measurement point and import table sign are deposited in the measurement point index area in separate, stored district;
(3), then the Data Identification of this measurement point is deposited into corresponding Data Identification index area, the Data Identification index area of described correspondence refers to, Data Identification index area corresponding to measurement point index area that this measurement point deposits in;
(4), again the data of this measurement point are deposited into corresponding data field, the data field of described correspondence refers to, data field corresponding to Data Identification index area that the Data Identification of this measurement point deposits in,
And when the data of originally depositing in reading corresponding data field and the data consistent that need to deposit in, directly carry out depositing in of next data, if it is inconsistent with the data that need to deposit in to read the data of originally depositing in corresponding data field, the data that deposit in, then carry out depositing in of next data;
(5), after all data of this measurement point all deposit separate, stored district in, according to this measurement point, find the position of the measurement point index area at this measurement point place, according to the position of the measurement point index area at this measurement point place, find the Data Identification of this measurement point in the position of Data Identification index area again, finally according to the position of Data Identification index area, find the position of data field of the data storage of this measurement point;
(6), then according to the import table sign in measurement point index area and the Data Identification mapping table being arranged in flash memory, find corresponding data layout;
(7) data of this measurement point that the corresponding data form, finding according to step (6) again finds step (5) are converted into the data layout of actual needs;
(8), finally deposit the data after transforming in global storage district appointed area, and then jump to step (2) and proceed copy reading according to the task of checking meter.
2. a kind of power concentrator copy reading and the method for storing import electric energy meter data that adopts little internal memory according to claim 1, it is characterized in that: the separate, stored district in described step (1) can, for the measurement point data storage of N import electric energy meter type, can automatically cover the data of first measurement point when the data of N+1 measurement point deposit in.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104778203A (en) * | 2015-02-10 | 2015-07-15 | 武汉阿迪克电子股份有限公司 | Load record blocked index storage and inquiry method in cost controlled intelligent electric energy meter |
| CN105334383A (en) * | 2015-10-21 | 2016-02-17 | 宁波三星医疗电气股份有限公司 | Electric quantity data storage method for electric energy meter |
| CN105652051A (en) * | 2015-12-30 | 2016-06-08 | 深圳市科陆电子科技股份有限公司 | Method for rapidly resetting data of electric energy meter |
| CN110134323A (en) * | 2018-02-02 | 2019-08-16 | 河南许继仪表有限公司 | A kind of FLASH memory |
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| CN101154312A (en) * | 2006-09-29 | 2008-04-02 | 华立仪表集团股份有限公司 | Automatic meter reading system based on ZigBee technology |
| KR100980289B1 (en) * | 2009-12-09 | 2010-09-06 | (주)이노비드 | Automatic meter reading system equipped dlms using binary cdma technology |
| CN102014118A (en) * | 2010-08-13 | 2011-04-13 | 深圳市科陆电子科技股份有限公司 | Method for reading multiple electric energy meters generally |
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| CN1351350A (en) * | 2000-10-27 | 2002-05-29 | 岳京星 | Method for partitioning memory block and identifying R/W information in flash memory |
| CN101154312A (en) * | 2006-09-29 | 2008-04-02 | 华立仪表集团股份有限公司 | Automatic meter reading system based on ZigBee technology |
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Cited By (5)
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| CN104778203A (en) * | 2015-02-10 | 2015-07-15 | 武汉阿迪克电子股份有限公司 | Load record blocked index storage and inquiry method in cost controlled intelligent electric energy meter |
| CN104778203B (en) * | 2015-02-10 | 2017-12-15 | 武汉阿迪克电子股份有限公司 | Take the storage of load record block index and querying method in control intelligent electric energy meter |
| CN105334383A (en) * | 2015-10-21 | 2016-02-17 | 宁波三星医疗电气股份有限公司 | Electric quantity data storage method for electric energy meter |
| CN105652051A (en) * | 2015-12-30 | 2016-06-08 | 深圳市科陆电子科技股份有限公司 | Method for rapidly resetting data of electric energy meter |
| CN110134323A (en) * | 2018-02-02 | 2019-08-16 | 河南许继仪表有限公司 | A kind of FLASH memory |
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