CN109614447A - A kind of intelligent electric meter divides the storage method, querying method and device of freezing data - Google Patents
A kind of intelligent electric meter divides the storage method, querying method and device of freezing data Download PDFInfo
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- CN109614447A CN109614447A CN201811195365.9A CN201811195365A CN109614447A CN 109614447 A CN109614447 A CN 109614447A CN 201811195365 A CN201811195365 A CN 201811195365A CN 109614447 A CN109614447 A CN 109614447A
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Abstract
The invention discloses storage methods, querying method and device that a kind of intelligent electric meter divides freezing data, belong to power domain, the described method includes: S1, it reads to divide and freezes affiliated partner attribute list, the corresponding scheme record sheet of all kinds of points of project of shaft freezing is established according to the duration of freezing of each affiliated partner attribute, storage depth, association OAD attributive character, S2 reads and stores the content and read access time of the corresponding first point of freezing data of program record sheet in ammeter according to the scheme record sheet；S3 is successively read according to predetermined period and stores other point of freezing data of the program.Storage method, querying method and the device of above-mentioned intelligent electric meter point freezing data overcome the read access time data for needing to store each point of freezing data in existing scheme, occupy the big technical problem of memory space, reduce accessing cost for data, increases the quantity that can store point freezing data.
Description
Technical field
The present invention relates to field power domain, especially a kind of intelligent electric meter divides the storage method of freezing data, issuer
Method and device.
Background technique
Point freeze to be one kind that object-oriented agreement is freezed, freezes relating attribute table record related data, storage according to point
Depth, period, association OAD configurable one kind freezes type.
OAD (Object Attribute Descriptor) object properties descriptor, for describing certain ammeter data class
Meaning, attribute and the feature of type.
RSD is for selecting each item of recordable type object properties to record, i.e., the row selection of two-dimentional record sheet, by composition
Record certain object properties numerical value specified to be selected, range select section: it is preceding close after open, i.e., [initial value, terminate
Value).
Different according to the RSD of selection and OAD, the copy reading configuration for representing copy reading data item, frequency and method is different, then returns
Different divides freezing data.
It will divide to freeze to record according to the duration of freezing of affiliated partner attribute, storage depth, association OAD attributive character and be divided into 8
Kind point freezes record scheme.
Existing point is freezed in storage scheme, and every record has timescale data, for example, according to affiliated partner attribute
Duration of freezing, storage depth, the frozen property for being associated with OAD (Object Attribute Descriptor) belong to 8 kinds and freeze
Scheme, the duration of freezing and storage depth (supporting the number freezed) of same scheme are identical, and default supports 12 associations pair
As attribute, each scheme default depth of freezing is 28800, and single scheme single record data have a markers, when be marked with minute
Several form storages, is designated as 4 bytes, then markers most occupied space 28800*4 × 8/1024=0.9M bytes when each,
Markers occupied space is too big, therefore, it is necessary to invent a kind of method to solve the above problems.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention
First purpose is to provide the storage method and device of a kind of intelligent electric meter point freezing data that occupancy memory space is small.
A second object of the present invention is to provide one kind to be suitable for above-mentioned storage method, and reads convenient intelligent electric meter point
Freezing data querying method and device.
The technical scheme adopted by the invention is that:
In a first aspect, the present invention provides a kind of storage method of intelligent electric meter point freezing data, include the following steps:
S1 reads and point freezes affiliated partner attribute list, according to the duration of freezing of each affiliated partner attribute, storage depth,
Association OAD attributive character establishes the corresponding scheme record sheet of all kinds of points of project of shaft freezing,
S2 reads according to the scheme record sheet and stores corresponding first point of scheme record sheet in ammeter and freeze to count
According to content and read access time；
S3 is successively read according to predetermined period and stores other point of freezing data.
Further, the scheme record sheet includes field: described to divide the OAD quantity stored in project of shaft freezing, corresponding point
The storage period of project of shaft freezing, the corresponding point depth of freezing for dividing project of shaft freezing correspond to and divide OAD list in project of shaft freezing, corresponding point
Each OAD record byte length, the single of project of shaft freezing divide project of shaft freezing record byte total length and divide the starting of project of shaft freezing
Storage address.
Further, the step S3: according to predetermined period, being successively read and store other point of freezing data, specific to wrap
Include following steps:
S31 enables i=2；
S32 reads i-th point and freezes read access time according to predetermined period；
S33 judges the time of the read access time of i-th point of freezing data and the read access time of the (i-1)-th point of freezing data
Whether interval matches with predetermined period；
If so, entering step S34, S37 is entered step if not；
S34 stores i-th point of freezing data；
S35, i=i+1 re-execute the steps S32；
S37, storage i+1 divide freezing data and read access time；
S38, i=i+1 re-execute the steps S32.
Further, further include step S36 before the step S37 storage i+1 point freezing data and read access time, deposit
Store up i-th point of freezing data and meter reading time.
Second aspect, the present invention provide a kind of intelligent electric meter point freezing data querying method, include the following steps:
Step0 searches corresponding scheme record sheet according to the OAD and its attributive character that select reading；
Step1 determines the index time according to query time；
Step2 is calculated according to query time, index time, predetermined period and is freezed to count dividing for the corresponding scheme of query time
According to.
Further, the query time is the query time section comprising initial time and end time, the step
Step1 specifically: successively calculate corresponding point of freezing data of each query time in the query time section.
Further, further include Step3, judge whether to be greater than the index time at the beginning of query time corresponding
End time, if so, into next index time and repeating step Step2.
The third aspect, the present invention provide a kind of storage device of intelligent electric meter point freezing data, comprising:
First data memory module: for storing the storage address of the first point of freezing data in presupposed solution；
Other data memory modules, for storing the storage address of other point of freezing data.
Further, including
Search index device, for determining for the first index time according to query time；
Meter reading time computing device, for inquiring other meter reading data and corresponding meter reading time.
The third aspect, the present invention provide a kind of inquiry unit of intelligent electric meter point freezing data, including
Search index device, for determining for the first index time according to query time；
Meter reading time computing device, for inquiring other meter reading data and corresponding meter reading time.
Fourth aspect, the present invention provide a kind of computer readable storage medium, the computer-readable recording medium storage
There are computer executable instructions, the computer executable instructions are for making computer execute the above method.
The beneficial effects of the present invention are:
The present invention is successively read by using the content and read access time of the first point of freezing data according to predetermined period
And the mode of other point of freezing data is stored, overcome the meter reading time number for needing to store each point of freezing data in existing scheme
According to the big technical problem of occupancy memory space reduces accessing cost for data, increases the quantity that can store meter reading data.
Detailed description of the invention
Fig. 1 is an a kind of specific embodiment flow chart of the storage method of intelligent electric meter point freezing data in the present invention；
Fig. 2 is a kind of still another embodiment flow chart of the storage method of intelligent electric meter point freezing data in the present invention；
Fig. 3 is a kind of storage signal of a specific embodiment of the storage method of intelligent electric meter point freezing data in the present invention
Figure；
Fig. 4 is an a kind of specific embodiment flow chart of the read method of intelligent electric meter point freezing data in the present invention；
Fig. 5 is a kind of still another embodiment flow chart of the read method of intelligent electric meter point freezing data in the present invention；
Fig. 6 is a kind of block diagram of a specific embodiment of the storage device of intelligent electric meter point freezing data in the present invention；
Fig. 7 is a kind of block diagram of a specific embodiment of the reading device of intelligent electric meter point freezing data in the present invention.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.
As shown in Figure 1, Fig. 1 shows a kind of flow chart of the storage method of intelligent electric meter point freezing data,
S1 reads and point freezes affiliated partner attribute list, according to the duration of freezing of each affiliated partner attribute, storage depth,
Association OAD attributive character establishes the corresponding scheme record sheet of all kinds of points of project of shaft freezing；8 kinds of schemes are shared, single scheme has same
The read cycle of sample and divide the depth of freezing, point freezing data stored every time is by the corresponding field write once of scheme record sheet
Enter.
S2 reads according to scheme record sheet and stores the corresponding first point of freezing data of program record sheet in ammeter
Content and read access time.
S3 is successively read according to predetermined period and stores other point of freezing data of the program.
Scheme record sheet includes field in the present embodiment: described to divide the OAD quantity stored in project of shaft freezing, corresponding point of jelly
The storage period of knot scheme, the corresponding point depth of freezing for dividing project of shaft freezing correspond to and divide OAD list in project of shaft freezing, corresponding point of jelly
Each OAD record byte length, the single of knot scheme divide project of shaft freezing record byte total length and the starting of project of shaft freezing are divided to deposit
Store up address.
According to the affiliated partner attribute list in preset point of freezing parameters, establishes correspondence and the scheme of project of shaft freezing is divided to record
Table.
As shown in Fig. 2, further, the step S3: according to predetermined period, being successively read and storing other points of the program
Freezing data:
S31 enables i=2；
S32, according to predetermined period, i-th point for reading the program freezes read access time；
S33 judges the time of the read access time of i-th point of freezing data and the read access time of the (i-1)-th point of freezing data
Whether interval matches with predetermined period；
If so, entering step S34, S37 is entered step if not；
S34 stores i-th point of freezing data；
S35, i=i+1 re-execute the steps S32；
S37, storage i+1 divide freezing data and read access time；
S38, i=i+1 re-execute the steps S32.
Further, further include step S36 before the step S37 storage i+1 point freezing data and read access time, deposit
Store up i-th point of freezing data and meter reading time.
According to the storage depth of presupposed solution, every kind of scheme can only store the data of certain number, when recorded amounts is more than to deposit
When storing up depth, then an earliest data is covered, therefore can also be by plan of establishment storage state amount field, for recording
The recorded amounts of Current protocols storage.
400 indexes can only be stored by corresponding to scheme at most in index the present embodiment of storage read access time, when index amount is super
When crossing 400, the earliest read access time of corresponding scheme is updated backward, to guarantee to read correct point freezing data.
Specifically, record presupposed solution divides frozen contents with reference to Fig. 3, store it in the address of address1, and
Recording its read access time is 2018.08.10 00:00:00, it is assumed that read to divide next time according to predetermined period every 15 minutes and freeze
Whether data are successively read others point freezing data, and judge current read access time and last read access time default
Time range in, as i=7, the ammeter time of reading and a upper read access time are greater than predetermined period, record the 7th reading
Point freezing data taken, storage address is addresee7 and read access time 2018.08.10 01:45:00, according still further to default
Period is successively read next point of freezing data.
For the more accurate read access time for judging other point of freezing data, 6th point of freezing data of the program is recorded
Read access time 01:15:00 as reference.
As shown in figure 4, the invention also provides a kind of intelligent electric meters to divide freezing data querying method, include the following steps:
Step0 searches corresponding scheme record sheet according to the OAD and its attributive character that select reading；
If selecting the OAD read not in corresponding scheme record sheet, related data is not present.
Step1 determines the index time according to query time；
Step2 calculates query time according to query time, index time, predetermined period and divides freezing data.
Query time described in the present embodiment is the query time section comprising initial time and end time, the step
Step1 specifically: corresponding point of freezing data of each query time in the query time section is successively calculated, it is specific to calculate
Method can be according to the calculation formula of arithmetic progression, and details are not described herein.
Specifically, as shown in figure 3, between when queried 2018.08.10 00:05:00~2018.08.10 01:05:00 it
Between when dividing freezing data, found according to the OAD of reading point freeze corresponding scheme record sheet first, and according to the time started
2018.08.10 00:05:00 determines that the index time is 2018.08.10 00:00:00, the index time be less than initial time,
And the read access time nearest apart from initial time, point read cycle freezed is 15min, therefore, in time 2018.08.10
4 points of freezing datas are shared between 00:05:00~2018.08.10 01:05:00, corresponding storage address is
Address2, address3, address4, address5, corresponding meter reading time are 00:15:00,00:30:00,00:45:
00、01:00:00。
In another embodiment, as shown in figure 5, further including Step3, when queried between at the beginning of be greater than the rope
When drawing corresponding end time time, into next index time and step Step2 is repeated.
Specifically, as shown in figure 3, when wanting query time 2018.08.10 01:20:00~2018.08.10 02:35:00
Between data when, 01:20:00 is greater than the corresponding end time 01:15 of index time 00:00:00 at the beginning of inquiry:
00, therefore enter next index time 01:45:00 and repeat the query steps of Step2, therefore, 2018.08.1001:
The storage address of data between 20:00~2018.08.10 02:30:00 is address7~address10, corresponding reading
The table time is followed successively by 01:45:00,02:00:00,02:15:00,02:30:00.
As shown in fig. 6, the invention also provides a kind of intelligent electric meters to divide the storage device of freezing data, comprising:
First data memory module: for storing the storage address of the first point of freezing data in presupposed solution；
Other data memory modules, for storing the storage address of other point of freezing data.
As shown in fig. 7, the invention also provides a kind of intelligent electric meters to divide the inquiry unit of freezing data, including
Search index device, for determining for the first index time according to query time；
Meter reading time computing device, for inquiring other meter reading data and corresponding meter reading time.
The function of modules and the realization process of effect are specifically detailed in above-mentioned intelligent electric meter point and freeze to count in above-mentioned apparatus
According to the realization process for corresponding to step in the method for storage and inquiry, details are not described herein.
In the exemplary embodiment, a kind of storage medium is additionally provided, which is computer readable storage medium,
It such as can be the provisional and non-transitorycomputer readable storage medium for including instruction.The storage medium is for example including instruction
Memory, above-metioned instruction can executes by the processor of terminal to complete above-mentioned intelligent electric meter point freezing data and store and inquiry
Method.
The present invention is classified by the way that point freezing data task is freezed relating attribute parameter according to point, the number of same scheme
According to one-time write, the read access time and predetermined period of the first point of freezing data by recording presupposed solution calculate the party
Other in case divide the read access time of freezing data, accurate in order to ensure data, in each record all judgement with upper one
Within a preset range whether the gap periods of data, if it is not, then recording the read access time of the data, avoid because of midway power-off etc.
Data outage problem caused by the reason that happens suddenly, and storage state amount field is set, for recording the data volume of Current protocols storage,
It is not necessarily to record the read access time of each data through the invention, to effectively save the memory space of data.
It is to be illustrated to preferable implementation of the invention, but the invention is not limited to the implementation above
Example, those skilled in the art can also make various equivalent variations on the premise of without prejudice to spirit of the invention or replace
It changes, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.
Claims (10)
1. the storage method that a kind of intelligent electric meter divides freezing data, which comprises the steps of:
S1 reads to divide and freezes affiliated partner attribute list, according to the duration of freezing of each affiliated partner attribute, storage depth, association
OAD attributive character establishes the corresponding scheme record sheet of all kinds of points of project of shaft freezing,
S2 reads according to the scheme record sheet and stores the corresponding first point of freezing data of scheme record sheet in ammeter
Content and read access time；
S3 is successively read according to predetermined period and stores other point of freezing data.
2. the storage method that a kind of intelligent electric meter according to claim 1 divides freezing data, which is characterized in that the scheme
Record sheet includes field: described to divide the OAD quantity stored in project of shaft freezing, the corresponding storage period for dividing project of shaft freezing, corresponding point
Point depth of freezing of project of shaft freezing corresponds to and OAD list in project of shaft freezing, the corresponding each OAD for dividing project of shaft freezing is divided to record byte
Length, single divide project of shaft freezing record byte total length and divide the initial memory address of project of shaft freezing.
3. the storage method that a kind of intelligent electric meter according to claim 1 divides freezing data, which is characterized in that the step
S3: it according to predetermined period, is successively read and stores other point of freezing data and specifically comprise the following steps:
S31 enables i=2；
S32 reads i-th point and freezes read access time according to predetermined period；
S33 judges the time interval of the read access time of i-th point of freezing data and the read access time of the (i-1)-th point of freezing data
Whether match with predetermined period；
If so, entering step S34, S37 is entered step if not；
S34 stores i-th point of freezing data；
S35, i=i+1 re-execute the steps S32；
S37, storage i+1 divide freezing data and read access time；
S38, i=i+1 re-execute the steps S32.
4. the storage method that a kind of intelligent electric meter according to claim 3 divides freezing data, which is characterized in that the step
S37 further includes step S36 before storing i+1 point freezing data and read access time, when storing i-th point of freezing data and meter reading
Between.
5. a kind of intelligent electric meter divides freezing data querying method, it is applied to the described in any item intelligent electric meters of Claims 1-4 point
The storage method of freezing data, which comprises the steps of:
Step0 searches corresponding scheme record sheet according to the OAD and its attributive character that select reading；
Step1 determines the index time according to query time；
Step2 divides freezing data according to what query time, index time, predetermined period calculated the corresponding scheme of query time.
6. a kind of intelligent electric meter according to claim 5 divides freezing data querying method, which is characterized in that when the inquiry
Between be the query time section comprising initial time and end time, the step Step1 specifically: successively calculate the inquiry
Corresponding point of freezing data of each query time in period.
7. a kind of intelligent electric meter according to claim 6 divides freezing data querying method, which is characterized in that further include
Step3 judges whether be greater than the index time corresponding end time at the beginning of query time, if so, into next
The index time simultaneously repeats step Step2.
8. the storage device that a kind of intelligent electric meter divides freezing data characterized by comprising
First data memory module: for storing the storage address of the first point of freezing data in presupposed solution；
Other data memory modules, for storing the storage address of other point of freezing data.
9. the inquiry unit that a kind of intelligent electric meter divides freezing data, which is characterized in that including
Search index device, for determining for the first index time according to query time；
Meter reading time computing device, for inquiring other meter reading data and corresponding meter reading time.
10. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage has computer can
It executes instruction, the computer executable instructions are for making computer execute method as described in any one of claim 1 to 7.
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| CN201811195365.9A CN109614447A (en) | 2018-10-15 | 2018-10-15 | A kind of intelligent electric meter divides the storage method, querying method and device of freezing data |
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| CN112445805A (en) * | 2019-08-29 | 2021-03-05 | 北京国双科技有限公司 | Data query method and device |
| CN112965919A (en) * | 2021-03-24 | 2021-06-15 | 深圳友讯达科技股份有限公司 | Electric energy meter data minute freezing method, storage medium and equipment |
| CN116303124A (en) * | 2023-03-29 | 2023-06-23 | 浙江正泰仪器仪表有限责任公司 | Data searching method and device, electronic equipment and storage medium |
| CN116719845A (en) * | 2023-08-07 | 2023-09-08 | 烟台东方威思顿电气有限公司 | Quick query method for periodic frozen data of electric energy meter |
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| CN116719845A (en) * | 2023-08-07 | 2023-09-08 | 烟台东方威思顿电气有限公司 | Quick query method for periodic frozen data of electric energy meter |
| CN116719845B (en) * | 2023-08-07 | 2023-11-10 | 烟台东方威思顿电气有限公司 | Quick query method for periodic frozen data of electric energy meter |
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Application publication date: 20190412 |
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