CN108762717B - Meter reading success recording method, statistical method and recruitment method based on Bit-map - Google Patents
Meter reading success recording method, statistical method and recruitment method based on Bit-map Download PDFInfo
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Abstract
The invention relates to a meter reading success recording method, a statistical method and a recruitment method based on Bit-map, which are mainly applied to a power utilization information acquisition system. The invention aims to complete the technical scheme that a Bit-map-based meter reading success recording method comprises the following steps: generating a state word comprising a plurality of Bit bits according to a data acquisition time point set in a certain time period, wherein each Bit in the state word forms a one-to-one correspondence with the data acquisition time point, and the initial state value of each Bit is 0; and after the data are acquired, setting the state value of the Bit corresponding to the data acquisition time point as 1 according to the corresponding relation. The invention has the advantages of reduced occupied storage space, high performance, high accuracy and simple program.
Description
Technical Field
The invention relates to a meter reading success recording method, a statistical method and a recruitment method based on Bit-map, which are mainly applied to a power utilization information acquisition system.
Background
The meter reading success rate is used as an important index for reflecting the collection quality in the electricity information collection system, and the real-time performance and accuracy of meter reading success rate statistics play a crucial role. At present, most of acquisition systems have the phenomena that statistics generally has hysteresis, missed statistics of subsidy data and excessively large occupied storage space due to statistics detail, and finally result in statistics hysteresis, influence pre-positioned subsidy acquisition, poor statistical performance and influence system use experience of users.
At present, the meter reading success rate statistics of most of electricity consumption information acquisition systems adopts the following modes: and counting the meter reading success rate and the detail information at a certain moment at fixed time intervals in a timing counting mode, wherein the detail information is recorded in a mode of recording at one time point.
The disadvantages are that: 1. according to the statistics of fixed time intervals, if data collection of missed spot recruitment comes and the statistics time of the meter reading success rate passes, the success rate cannot be counted later, and the statistics is inaccurate. 2. Counting at fixed time intervals, wherein the counting is delayed, and if the front-end processor adopts the statistical data, the counting is delayed and inaccurate, so that missing point supplement and sampling are influenced; if this statistical data is not used, additional implementation of the program itself is required, increasing the complexity of the program. 3. The storage mode of the detail information causes the storage space to be too large, for example: if there are 100 thousands of meters and the collection task is 15 minutes apart, the number of records per day is 9600 thousands of records, resulting in a too fast increase in storage space and ultimately affecting system performance.
Disclosure of Invention
The invention aims to overcome the existing problems and provides a Bit-map-based meter reading success recording method, which solves the problems of lag in statistics, inaccuracy and large occupied storage space.
The invention also aims to provide a meter reading success rate statistical method based on the Bit-map.
The invention also aims to provide a meter reading missing point recruitment method based on the Bit-map.
The object of the invention is achieved by the following technical solution,
the meter reading success recording method based on the Bit-map comprises the following steps:
generating a state word comprising a plurality of Bit bits according to a data acquisition time point set in a certain time period, wherein each Bit in the state word forms a one-to-one correspondence with the data acquisition time point, and the initial state value of each Bit is 0;
and after the data are acquired, setting the state value of the Bit corresponding to the data acquisition time point as 1 according to the corresponding relation.
Preferably, the recording method further includes: and converting the state word into a decimal number for storage.
The meter reading success recording method based on the Bit-map comprises the following steps:
A. generating an initial state word comprising a plurality of Bit bits according to a data acquisition time point set in a certain time period, wherein each Bit in the initial state word forms a one-to-one correspondence relationship with the data acquisition time point, and the initial state value of each Bit is 0;
B. acquiring a data acquisition time point after data is acquired;
C. generating a temporary state word comprising a plurality of Bit bits according to the data acquisition time point in the step A, wherein each Bit in the temporary state word forms a one-to-one correspondence with the data acquisition time point, and the initial state value of each Bit is 0; setting the state value of the Bit corresponding to the data acquisition time point in the step B in the temporary state word as 1 according to the corresponding relation;
D. performing OR operation on the temporary state word obtained in the step C and the previously obtained state word to obtain an updated state word;
E. step B, C, D is repeated until the time period ends.
Preferably, the recording method further includes: and after the time period is ended, converting the last updated state word into a decimal number for storage.
Preferably, the time period spans 24 hours, from 0:00 begin to collect data every 15 minutes; the number of the Bit positions is 96.
The meter reading success rate statistical method based on the Bit-map comprises the following steps:
A. generating an initial state word comprising a plurality of Bit bits according to a data acquisition time point set in a certain time period, wherein each Bit in the initial state word forms a one-to-one correspondence relationship with the data acquisition time point, and the initial state value of each Bit is 0;
B. acquiring a data acquisition time point after data is acquired;
C. generating a temporary state word comprising a plurality of Bit bits according to the data acquisition time point in the step A, wherein each Bit in the temporary state word forms a one-to-one correspondence with the data acquisition time point, and the initial state value of each Bit is 0; setting the state value of the Bit corresponding to the data acquisition time point in the step B in the temporary state word as 1 according to the corresponding relation;
D. performing OR operation on the temporary state word obtained in the step C and the previously obtained state word to obtain an updated state word;
E. repeating step B, C, D until the time period ends;
F. and performing AND operation on the mask corresponding to a certain data acquisition time point and the last updated state word, wherein if the operation result is 0, the data acquisition failure is represented, and otherwise, the data acquisition success is represented.
Preferably, after the time period is over, the last updated status word is converted to a decimal number for storage.
Preferably, the time period spans 24 hours, from 0:00 begin to collect data every 15 minutes; the number of the Bit positions is 96.
The meter reading missing point recruitment method based on the Bit-map comprises the following steps:
A. generating an initial state word comprising a plurality of Bit bits according to a data acquisition time point set in a certain time period, wherein each Bit in the initial state word forms a one-to-one correspondence relationship with the data acquisition time point, and the initial state value of each Bit is 0;
B. acquiring a data acquisition time point after data is acquired;
C. generating a temporary state word comprising a plurality of Bit bits according to the data acquisition time point in the step A, wherein each Bit in the temporary state word forms a one-to-one correspondence with the data acquisition time point, and the initial state value of each Bit is 0; setting the state value of the Bit corresponding to the data acquisition time point in the step B in the temporary state word as 1 according to the corresponding relation;
D. performing OR operation on the temporary state word obtained in the step C and the previously obtained state word to obtain an updated state word;
E. repeating step B, C, D until the time period ends;
F. and performing AND operation on the mask corresponding to a certain data acquisition time point and the last updated state word, and if the operation result is 0, initiating a recruitment operation aiming at the data of the data acquisition time point.
Preferably, the data recruitment is successful, step C is executed, and the status word obtained in step C is or-operated with the status word updated after the time period in step E is over.
Compared with the prior art, the invention has the following advantages and effects: 1. and the Bit is adopted to record the state, so that the occupied storage space is greatly reduced. 2. The operation of updating the state word and the success rate statistics belong to pure digital calculation, and the performance is high. 3. The state updating is carried out when the data are collected in the front, statistics is real-time, corresponding state bits can be immediately updated by the supplementary data, and the accuracy of the collection success rate can be ensured. 4. The preposed missing point recruitment and statistics system shares a set of acquisition success rate statistics method, so that the two parties are unified, independent development is not needed, the workload is saved, and the program complexity is reduced.
Drawings
FIG. 1 is a diagram of the correspondence of status words to data acquisition time points in accordance with the present invention.
FIG. 2 is a flowchart of example 1.
FIG. 3 is a flowchart of example 2.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
The invention applies the Bit-map algorithm to the acquisition success rate calculation.
Example 1: as shown in fig. 1 and fig. 2, a meter reading success recording method based on Bit-map includes:
generating a state word comprising a plurality of Bit bits according to a data acquisition time point set in a certain time period, wherein each Bit in the state word forms a one-to-one correspondence with the data acquisition time point, and the initial state value of each Bit is 0;
and after the data are acquired, setting the state value of the Bit corresponding to the data acquisition time point as 1 according to the corresponding relation.
Preferably, the recording method further includes: converting the status word to decimal digit storage further reduces storage space.
Preferably, the time period spans 24 hours, from 0:00 begin to collect data every 15 minutes; the number of the Bit positions is 96. That is, data at 96 points of a day is recorded in the same record, and data states of the day are recorded by using 96 Bit bits, as shown in fig. 1, after data acquisition at a time point comes, only the corresponding Bit needs to be set to 1, and finally, the content stored in the database is a number into which the state word is converted.
Example 2: as shown in fig. 3, a method for recording meter reading success based on Bit-map includes:
A. generating an initial state word comprising a plurality of Bit bits according to a data acquisition time point set in a certain time period, wherein each Bit in the initial state word forms a one-to-one correspondence relationship with the data acquisition time point, and the initial state value of each Bit is 0;
B. after data are collected, firstly, the date is processed, and then the data collection time point is obtained;
C. generating a temporary state word comprising a plurality of Bit bits according to the data acquisition time point in the step A, wherein each Bit in the temporary state word forms a one-to-one correspondence with the data acquisition time point, and the initial state value of each Bit is 0; setting the state value of the Bit corresponding to the data acquisition time point in the step B in the temporary state word as 1 according to the corresponding relation;
D. performing OR operation on the temporary state word obtained in the step C and the previously obtained state word (if the temporary state word is not processed, the temporary state word represents an initial state word) to obtain an updated state word; after the temporary state word and the previously obtained state word are subjected to OR operation each time, the temporary state word becomes a new state word, and the previous state word and the temporary state word do not exist; for example, if the previously obtained status word is 8 (the corresponding binary number is 00 … 001000), the temporary status word is 2 (the corresponding binary number is 00 … 00010), and the or operation is performed to obtain the updated status word 11 (the corresponding binary number is 00 … 001010), the status at this time point can be set to 1, and the purpose of not affecting other status bits can be achieved;
E. step B, C, D is repeated until the time period ends.
Preferably, the recording method further includes: converting the status word to decimal digit storage further reduces storage space.
Preferably, the time period spans 24 hours, from 0:00 begin to collect data every 15 minutes; the number of the Bit positions is 96. And generating records of all the electric meters on the day according to the electric meters which are acquired every day, wherein one record is formed for each electric meter, the state value of 96 bits is all 0, and the corresponding decimal number is 0.
A meter reading success rate statistical method based on Bit-map comprises the following steps:
A. generating an initial state word comprising a plurality of Bit bits according to a data acquisition time point set in a certain time period, wherein each Bit in the initial state word forms a one-to-one correspondence relationship with the data acquisition time point, and the initial state value of each Bit is 0;
B. acquiring a data acquisition time point after data is acquired;
C. generating a temporary state word comprising a plurality of Bit bits according to the data acquisition time point in the step A, wherein each Bit in the temporary state word forms a one-to-one correspondence with the data acquisition time point, and the initial state value of each Bit is 0; setting the state value of the Bit corresponding to the data acquisition time point in the step B in the temporary state word as 1 according to the corresponding relation;
D. performing OR operation on the temporary state word obtained in the step C and the previously obtained state word (if the temporary state word is not processed, the temporary state word represents an initial state word) to obtain an updated state word; each time the temporary status word is ored with a previously obtained status word, the new status word is generated, and the previous status word and the temporary status word are not present. For example, if the previously obtained status word is 8 (the corresponding binary number is 00 … 001000), and the temporary status word is 2 (the corresponding binary number is 00 … 00010), performing an or operation to obtain an updated status word 11 (the corresponding binary number is 00 … 001010) can achieve the purpose of setting the status at this time point to 1 without affecting other status bits;
E. repeating step B, C, D until the time period ends;
F. and (3) performing AND operation on a mask corresponding to a certain data acquisition time point (for example, if the acquisition success rate of 0:00 is required to be obtained, the mask is 1, and the mask of 1:00 is 8) and the last updated state word, wherein if the operation result is 0, the data acquisition time point data acquisition is failed, and otherwise, the data acquisition time point data acquisition is successful. The mask is used as basic data, the source of the mask value is 96 bits, the bit of the corresponding time point is 1, the obtained number is the mask of the time point, the mask and the last status word are subjected to AND operation, if the data acquisition of the time point is successful, the bit corresponding to the status word is 1, the AND operation is performed on the two 1 s and the corresponding mask and operation, the final result of the bit is affirmed to be 1, the other bits of the mask are 0, and the other bits of the result are 0 after the AND operation is completed, so that whether the acquisition of the time point is successful or not can be quickly obtained by adopting a mask mode. For example, the status word is 13 (corresponding to binary 000.. 01101) which represents 0:00, 0:30, 0:45 acquisition success, 0:15 which corresponds to mask 2(000.. 0010), and the and operation of 13 and 2 is performed, and the result is 0 which represents 0:15 acquisition failure; the mask of 0:00 is 1(0000.. 00001), and the and operation is performed between 13 and 1, and the result is not 0, which represents that the acquisition of 0:00 is successful.
Preferably, the recording method further includes: converting the status word to decimal digit storage further reduces storage space.
Preferably, the time period spans 24 hours, from 0:00 begin to collect data every 15 minutes; the number of the Bit positions is 96. And generating records of all the electric meters on the day according to the electric meters which are acquired every day, wherein one record is formed for each electric meter, the state value of 96 bits is all 0, and the corresponding decimal number is 0.
A meter reading leakage point recruitment method based on Bit-map comprises the following steps:
A. generating an initial state word comprising a plurality of Bit bits according to a data acquisition time point set in a certain time period, wherein each Bit in the initial state word forms a one-to-one correspondence relationship with the data acquisition time point, and the initial state value of each Bit is 0;
B. acquiring a data acquisition time point after data is acquired;
C. generating a temporary state word comprising a plurality of Bit bits according to the data acquisition time point in the step A, wherein each Bit in the temporary state word forms a one-to-one correspondence with the data acquisition time point, and the initial state value of each Bit is 0; setting the state value of the Bit corresponding to the data acquisition time point in the step B in the temporary state word as 1 according to the corresponding relation;
D. performing OR operation on the temporary state word obtained in the step C and the previously obtained state word (if the temporary state word is not processed, the temporary state word represents an initial state word) to obtain an updated state word; each time the temporary status word is ored with a previously obtained status word, the new status word is generated, and the previous status word and the temporary status word are not present. For example, if the previously obtained status word is 8 (the corresponding binary number is 00 … 001000), and the temporary status word is 2 (the corresponding binary number is 00 … 00010), performing an or operation to obtain an updated status word 11 (the corresponding binary number is 00 … 001010) can achieve the purpose of setting the status at this time point to 1 without affecting other status bits;
E. repeating step B, C, D until the time period ends;
F. and (3) performing AND operation on a mask corresponding to a certain data acquisition time point (for example, if the acquisition success rate of 0:00 is required to be obtained, the mask is 1, and the mask of 1:00 is 8) and the last updated state word, and if the operation result is 0, initiating recruitment operation aiming at the data of the data acquisition time point. The mask is used as basic data, the source of the mask value is 96 bits, the bit of the corresponding time point is 1, the obtained number is the mask of the time point, the mask and the last status word are subjected to AND operation, if the data acquisition of the time point is successful, the bit corresponding to the status word is 1, the AND operation is performed on the two 1 s and the corresponding mask and operation, the final result of the bit is affirmed to be 1, the other bits of the mask are 0, and the other bits of the result are 0 after the AND operation is completed, so that whether the acquisition of the time point is successful or not can be quickly obtained by adopting a mask mode. For example, the status word is 13 (corresponding to binary 000.. 01101) which represents 0:00, 0:30, 0:45 acquisition success, 0:15 which corresponds to mask 2(000.. 0010), and the and operation of 13 and 2 is performed, and the result is 0 which represents 0:15 acquisition failure; the mask of 0:00 is 1(0000.. 00001), and the and operation is performed between 13 and 1, and the result is not 0, which represents that the acquisition of 0:00 is successful.
Preferably, the data recruitment is successful, step C is executed, and the status word obtained in step C is or-operated with the status word updated after the time period in step E is over.
Preferably, the recording method further includes: converting the status word to decimal digit storage further reduces storage space.
Preferably, the time period spans 24 hours, from 0:00 begin to collect data every 15 minutes; the number of the Bit positions is 96. And generating records of all the electric meters on the day according to the electric meters which are acquired every day, wherein one record is formed for each electric meter, the state value of 96 bits is all 0, and the corresponding decimal number is 0.
Claims (8)
1. A meter reading success recording method based on Bit-map is characterized by comprising the following steps:
A. generating an initial state word comprising a plurality of Bit bits according to a data acquisition time point set in a certain time period, wherein each Bit in the initial state word forms a one-to-one correspondence relationship with the data acquisition time point, and the initial state value of each Bit is 0;
B. acquiring a data acquisition time point after data is acquired;
C. generating a temporary state word comprising a plurality of Bit bits according to the data acquisition time point in the step A, wherein each Bit in the temporary state word forms a one-to-one correspondence with the data acquisition time point, and the initial state value of each Bit is 0; setting the state value of the Bit corresponding to the data acquisition time point in the step B in the temporary state word as 1 according to the corresponding relation;
D. performing OR operation on the temporary state word obtained in the step C and the previously obtained state word to obtain an updated state word;
E. step B, C, D is repeated until the time period ends.
2. The Bit-map-based meter reading success recording method according to claim 1, wherein the recording method further comprises: and after the time period is ended, converting the last updated state word into a decimal number for storage.
3. The Bit-map-based meter reading success recording method according to claim 1, characterized in that: the time period spans 24 hours, from 0:00 begin to collect data every 15 minutes; the number of the Bit positions is 96.
4. A meter reading success rate statistical method based on Bit-map is characterized by comprising the following steps:
A. generating an initial state word comprising a plurality of Bit bits according to a data acquisition time point set in a certain time period, wherein each Bit in the initial state word forms a one-to-one correspondence relationship with the data acquisition time point, and the initial state value of each Bit is 0;
B. acquiring a data acquisition time point after data is acquired;
C. generating a temporary state word comprising a plurality of Bit bits according to the data acquisition time point in the step A, wherein each Bit in the temporary state word forms a one-to-one correspondence with the data acquisition time point, and the initial state value of each Bit is 0; setting the state value of the Bit corresponding to the data acquisition time point in the step B in the temporary state word as 1 according to the corresponding relation;
D. performing OR operation on the temporary state word obtained in the step C and the previously obtained state word to obtain an updated state word;
E. repeating step B, C, D until the time period ends;
F. and performing AND operation on the mask corresponding to a certain data acquisition time point and the last updated state word, wherein if the operation result is 0, the data acquisition failure is represented, and otherwise, the data acquisition success is represented.
5. The Bit-map based meter reading success rate statistical method according to claim 4, wherein: and after the time period is ended, converting the last updated state word into a decimal number for storage.
6. The Bit-map based meter reading success rate statistical method according to claim 4, wherein: the time period spans 24 hours, from 0:00 begin to collect data every 15 minutes; the number of the Bit positions is 96.
7. A meter reading leakage point recruitment method based on Bit-map is characterized by comprising the following steps:
A. generating an initial state word comprising a plurality of Bit bits according to a data acquisition time point set in a certain time period, wherein each Bit in the initial state word forms a one-to-one correspondence relationship with the data acquisition time point, and the initial state value of each Bit is 0;
B. acquiring a data acquisition time point after data is acquired;
C. generating a temporary state word comprising a plurality of Bit bits according to the data acquisition time point in the step A, wherein each Bit in the temporary state word forms a one-to-one correspondence with the data acquisition time point, and the initial state value of each Bit is 0; setting the state value of the Bit corresponding to the data acquisition time point in the step B in the temporary state word as 1 according to the corresponding relation;
D. performing OR operation on the temporary state word obtained in the step C and the previously obtained state word to obtain an updated state word;
E. repeating step B, C, D until the time period ends;
F. and performing AND operation on the mask corresponding to a certain data acquisition time point and the last updated state word, and if the operation result is 0, initiating a recruitment operation aiming at the data of the data acquisition time point.
8. The Bit-map based meter reading omission point recruitment method according to claim 7, further comprising: and D, successfully supplementing the data, executing the step C, and performing OR operation on the state word obtained in the step C and the state word updated after the time period in the step E is ended.
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