CN103837264A - Heat supply metering control system - Google Patents
Heat supply metering control system Download PDFInfo
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- CN103837264A CN103837264A CN201410051587.9A CN201410051587A CN103837264A CN 103837264 A CN103837264 A CN 103837264A CN 201410051587 A CN201410051587 A CN 201410051587A CN 103837264 A CN103837264 A CN 103837264A
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Abstract
Disclosed is a heat supply metering control system. The heat supply metering control system comprises a temperature measurement unit, a building number data acquisition unit and a heat supply metering management platform, wherein the building number data acquisition unit is used for acquiring temperature data from the temperature measurement unit, the heat supply metering management platform is used for receiving signals from the building number data acquisition unit, the building number data acquisition unit comprises a data storage unit used for storing data and a data transmission unit used for transmitting data, and the data transmission unit comprises a data interface and a removable disk in butt joint with the data interface. According to the technical scheme, a large number of user data can be effectively managed, data query efficiency is improved, data storage capacity is increased, a data view method convenient and fast to implement is provided for users, and the heat supply metering control system has great economic value and social benefit.
Description
Technical field
The present invention relates to a kind of control system, relate in particular to a kind of heat metering control system of heat metering.
Background technology
Follow the universal of urban heat supplying, heat metering control system is widely used.Metering method conventional in Practical Project mainly contains: temperature-area method, make-and-break time area-method, family hotlist method etc.No matter adopt which kind of metering method, all a large amount of data such as temperature, heat will be produced, according to the requirement of national heat metering associated documents, the data that power-supply metering system produces are all stored unification in order to checking, these data will be the important evidence of the later stage carrying out charging method.Meanwhile, every data acquisition unit needs to set a large amount of and different basic datas before using.Therefore, reasonably data storage, the mode that imports and exports just seem particularly important.
But the performance of current heat metering control system in reading and writing data, movement is unsatisfactory, exists read or write speed slow, the problems such as data mobile inconvenience.
Summary of the invention
For above-mentioned existing problem, the object of this invention is to provide the better heat metering control system of a kind of effect.
For solving the problems of the technologies described above, the scheme that the present invention adopts is: a kind of heat metering control system, comprises temperature measuring unit, gather from the building data acquisition unit of temperature measuring unit temperature data and receive the heat metering management platform from a building data acquisition unit signal.A building data acquisition unit comprises for the data storage cell of storage data and for transmitting the data transmission unit of data, the mobile disk that this data transmission unit comprises data-interface and docks with this data-interface.
By technique scheme, can effectively manage a large number of users data, improve the efficiency of data query, increase the memory capacity of data, for providing data easily, user checks mode, it is more convenient to use.
Accompanying drawing explanation
Fig. 1 is a kind of data handling system principle schematic that is applied to heat metering control system of the present invention.
Wherein, 1, heat metering management platform; 2, a building data acquisition unit; (3a, 3b, 3n), temperature measuring unit; 4, data storage cell; 5, data transmission unit; 6, Data Control administrative unit; 7, power-up initializing data cell; 8, timing storage unit; 9, GPRS communication unit.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, a kind of heat metering control system comprises heat metering management platform 1, a building data acquisition unit 2, temperature measuring unit (3a, 3b.....3n), GPRS communication unit 9, heat metering management platform 1 is connected with a building data acquisition unit 2 by GPRS (General Packet Radio Service, general packet radio service technology) communication unit 9.Wherein, a building data acquisition unit 2 comprises data storage cell 4, data transmission unit 5 and Data Control administrative unit 6.Data Control administrative unit 6 comprises power-up initializing data cell 7, timing storage unit 8.
The tables of data of data storage cell 4 adopts bivariate table structure, and the tables of data of every bivariate table structure creates index, can accelerate the retrieval rate to bivariate table element.Index adopts sequential index, and index entry according to key word sequence, can use binary chop in advance in the time searching, and accelerates inquiry velocity.The data storage cell 4 of a described building data acquisition unit 2 adopts embedded database SQLite to organize and storage data, uses SQL (Structured Query Language, Structured Query Language (SQL)) statement to operate database.The storage medium of the data storage cell 4 of a described building data acquisition unit 2 adopts large capacity Nand Flash (data storage type flash memory).The data storage cell 4 of a described building data acquisition unit 2 adopts the mode of double-deck storage, be in memory table, to have real-time data, and regularly the data in table are kept in physical hard disk, when after database power down, restart and can from hard disk, reload data.
Data transmission unit 5 comprises USB2.0 (the Universal Serial Bus of standard; USB (universal serial bus)) interface and the portable hard drive that docks with interface, the approach in user accesses data storehouse is provided.Because a building data acquisition unit 2 needs to set a large amount of and different basic datas before use, the information such as such as Customs Assigned Number and unit building.Data transmission unit 5 can will copy the file system into Linux with the basic data of text mode storage in mobile disk by the data-interface of USB2.0, and Data Control administrative unit 6 deposits database in after basic data is resolved.Simultaneously.In order to facilitate engineering staff's field adjustable, the data in database can also be exported in mobile disk by the data-interface of USB2.0.
Data Control administrative unit 6 comprises power-up initializing data cell 7, timing storage unit 8.
Database adopts the mode of double-deck storage, the storage organization of system is divided into two levels, ground floor is internal memory, it is memory database, the high performance requirements of whole real-time dataBase system is using memory database as basic-level support, and for the processing of program operation and real time data, access speed is fast, and without the I/O operation of carrying out disk, be suitable for management and the operation of real time data most; The second layer is external memory, conventionally adopts some permanent storage appliances, need to read and write I/O (input/output, I/O) operation, for the historical data of storage system.Like this, be placed in external space for those changeless data (as user profile) or the relatively low data of frequency of access (as the data backup or the Log backup that only just use when the fault recovery), and the data of all real time datas or work at present part are resided in internal memory, avoid the operation of database file, greatly promoted the performance of real-time dataBase system.In the time having real-time data in memory table, timing storage unit 8 is kept at the data in table in physical hard disk according to setting-up time interval; When after system power failure, power-up initializing data cell 7 can be reloaded data from physical hard disk, guarantees the security of data.
A building data acquisition unit 2 by GPRS communication unit 9 by data upload to heat metering management platform 1, after heat metering management platform 1 resolution data, data are shown.A described building data acquisition unit adopts embedded Linux system.
SQLite does not establish independently database engine, has avoided the extra consumption of interprocess communication frequently, so have speed faster than traditional client or server database system.SQLite database has the API (Application Programming Interface, application programming interface) of handled easily simultaneously, is suitable for data access frequent, the system that real-time is high.
The present invention is in conjunction with embedded database SQLite, and the memory database of design combines Flash with memory database, has greatly reduced the access times to Flash, has increased the serviceable life of Flash when improving access speed.Be kept in internal memory for real time data, synchronously preserve to Flash according to data importance priority timing.
By technique scheme, can effectively manage a large number of users data, improve the efficiency of data query, increase the memory capacity of data, for providing data easily, user checks mode, there is extremely strong economic worth and social benefit.
The above; for better case study on implementation of the present invention; not the present invention is imposed any restrictions, every any simple modification of above embodiment being done according to the technology of the present invention essence, change and equivalent structure change, and all still belong in the protection domain of technical solution of the present invention.
Claims (9)
1. a heat metering control system, comprise temperature measuring unit, gather from the building data acquisition unit of temperature measuring unit temperature data and receive the heat metering management platform from a building data acquisition unit signal, it is characterized in that, a building data acquisition unit comprises for the data storage cell of storage data and for transmitting the data transmission unit of data, the mobile disk that this data transmission unit comprises data-interface and docks with this data-interface.
2. heat metering control system according to claim 1, is characterized in that, also comprises the GPRS communication unit for communication between heat metering management platform and Lou Dong data acquisition unit.
3. heat metering control system according to claim 1, is characterized in that, data storage cell adopts the tables of data of bivariate table structure.
4. heat metering control system according to claim 3, is characterized in that, every tables of data creates index, and sorts according to key word.
5. heat metering control system according to claim 4, is characterized in that, described index adopts sequential index.
6. heat metering control system according to claim 1, is characterized in that, described data storage cell adopts embedded database to organize and storage data, uses SQL statement to operate database.
7. heat metering control system according to claim 1, is characterized in that, the storage medium of the data storage cell of a described building data acquisition unit adopts large capacity data storage type flash memory.
8. heat metering control system according to claim 7, is characterized in that, the data storage cell of a described building data acquisition unit adopts the mode of double-deck storage, has real-time data in memory table, and timing is kept at the data in table in physical hard disk.
9. heat metering control system according to claim 8, is characterized in that, reloads the power-up initializing data cell of data when Data Control administrative unit comprises the timing timing storage unit of save data and power down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410051587.9A CN103837264A (en) | 2014-02-14 | 2014-02-14 | Heat supply metering control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410051587.9A CN103837264A (en) | 2014-02-14 | 2014-02-14 | Heat supply metering control system |
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| CN103837264A true CN103837264A (en) | 2014-06-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557555A (en) * | 2013-11-05 | 2014-02-05 | 唐山汇中仪表股份有限公司 | Household-based heat metering method and household-based heat metering device |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557555A (en) * | 2013-11-05 | 2014-02-05 | 唐山汇中仪表股份有限公司 | Household-based heat metering method and household-based heat metering device |
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Application publication date: 20140604 |
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