CN104598626A - Modularized storage method for data in automatic identification label - Google Patents
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Abstract
The invention provides a modularized storage method for data in an automatic identification label. The modularized storage method is realized through the following technical scheme: a data structure module is composed of a data structure module identifier and a data structure detailed describing part; the data structure module identifier is composed of a main body identifier and an expanded identifier of the main body identifier; the main body identifier is one byte long; a hexadecimal range for distributing the main body identifier is 12H-2FH, 36H-9FH and ABH-FEH; a hexadecimal numerical value FFH is used for expanding the main body identifier; the expanded identifier is expanded for the length of one or more bytes; the data structure detailed describing part is a data structure module selected from the existing standard data structure module or the self-defining industry data structure module. The data in the automatic identification label adopt a modularized storage mechanism; the automatic identification label can combine current domestic and overseas mainstream label storage manners, and automatic identification data format standards of existing various international, national and industry mainstreams need to be sufficiently considered, so that the compatibility can be realized to the greatest extent.
Description
Technical field
The present invention relates to automatic tag identification technical field of data storage, more particularly, relate to a kind of method that in automatic tag identification, data modularization stores.
Background technology
Along with the arrival in Internet of Things epoch, all trades and professions to the demand of article precision, information system management gradually deeply, become the major technique of article mark gradually because its technical characteristic meets this demand based on the automatic tag identification of all kinds of bar code and REID, as long as the place of Item Management can be said, there is the demand adopting automatic tag identification to carry out identity management.Automatic tag identification is generally paste/be arranged on article, the insighted demand reading automatic tag identification of multiple service management department in article life cycle on the one hand, on the other hand article concern crowd side and also have the demand distinguishing automatic tag identification flowing through logistics links phase, and this just needs and in many ways arranges intelligible mode to construct data layout in automatic tag identification can be in many ways distinguish and resolve obtain required information.Because the type of goods of all trades and professions is various, different industries logistics link application scenarios difference is comparatively large, and very difficult complete analysis goes out the information requirement of different business systems, formulates monolithic data layout very difficult.That is, in the automatic tag identification of the same article of mark, may need to write corresponding business information data by multiple administrative authority.
There is the data memory format of some labels in the outer standard of Present Domestic, the data structure masterplate of fixed sturcture, as electronic product code EPC, lacked dirigibility; Automatic identification mark symbol mode, as application identities symbol AI and data identifier DI, format information takies the certain storage space of label; And the tag data format that industry user freely defines, be difficult to recognition each other in default of in many ways arranging.
The data layout of each specialty how can distinguish by user, and the data module of the different majors mechanism used that how simultaneously to coexist in same label is still not clear.
This just needs to propose on the whole a kind of data module realizing different majors and how to realize can realizing in same label the large thinking that data compatibility reads mutually and can carry out data layout expansion.In automatic tag identification, adopt the assembling of data modularization to store thinking can realize this goal, overcome current deficiency, the data meeting multi-party users store and collection demand.
Summary of the invention
Technical matters to be solved by this invention is, overcomes the deficiency existed in data storage technology in existing label, proposes a kind of automatic tag identification data modularization storage means.
Data modularization storage means in automatic tag identification of the present invention, is achieved by following technical proposals:
Described data structure block is described two parts in detail by data structure block identifier and data structure and is formed;
Data structure block identifier is made up of subject identifier and extended identifier thereof, subject identifier is a byte long, the sexadecimal codomain of distribution body identifier is 12H-2FH, 36H-9FH and ABH-FEH, hexadecimal values FFH is used for the expansion of subject identifier, and extended identifier is expansion 1 byte or multiple byte length;
Data structure detailed description part is for selecting the data structure block of the data structure block of existing standard or the self-defined industry; Select the message subject content first should determining to need according to application demand storage during the data structure block of the self-defined industry, judge whether that existing data structure block can meet the demands; If can not meet the demands, in the data elecment dictionary that the industry is formulated, choose the data element of construction data construction module; Judge the characteristics such as the storage space of selectable automatic tag identification, determine that data structure block is that compact storage or tape format store;
The formation of automatic tag identification data layout: the data layout of automatic tag identification is combined by one or more above-mentioned data structure block;
The storage of automatic tag identification data memory module: the identifier of data structure block and the data set corresponding to data structure detailed description are stored in automatic tag identification as a whole simultaneously;
Separator in automatic tag identification between data memory module: if multiple data structure block stores in the automatic tag identification with Coutinuous store space, the separator between data structure block adopts unit separator U
srepresent, for identifying the end of previous data structure block; If automatic tag identification has fragmented storage space or document storage management, data structure block needs to require to store according to the correspondence of fragmented storage space or document storage management.
Compared with prior art, the invention has the beneficial effects as follows:
By the data message that may relate in automatic tag identification by industry, classify by theme, be divided into multiple little information module, when building automatic tag identification data layout, from above-mentioned registered information module, one or more data structure block is selected to assemble as required.Propose the memory module of data structure block in different label, give the registration of data memory module and the realization mechanism of parsing simultaneously.Data acquisition in automatic tag identification modular storage mechanism, one is can the tag storage mode of compatible main flow both at home and abroad at present, the automatic identification data format standard of the existing all kinds of world, country and industry main flow need be taken into full account, can realize compatible to greatest extent; Two is that can to realize data storage organization in label versatile and flexible, one or more data module can be selected to write label according to service application demand, and in label, data module can flexible combination, and need not fix, and thus makes full use of the storage space that label is limited; Three is be convenient to realize tag data format increase and amendment, for the change of partial service demand, only need the data structure block that amendment is corresponding, and the data that can not affect label other side stores and recognition; Four is adopt data structure block identifier, is convenient to realize the registration of data structure block in label, management and parsing.
Accompanying drawing explanation
Fig. 1 is the basic comprising of data structure block;
Fig. 2 is the data layout of the automatic tag identification in Coutinuous store space;
Fig. 3 is registration and the mechanism for resolving schematic diagram of data structure block.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
One, the information in tag data format divides
In structure label before information module, need to carry out macroscopic view classification to the information involved by the label for marking articles.The information related in label mainly contains six classes: one is label self-information, particularly radio-frequency (RF) tag unique identifier TID, chip identification CID, tag versions number, write time etc.; Two is the static attribute information of article self, comprises Item Title, model, the place of production, physico-chemical properties, quantity, shelf-life, packaging/collection dress information etc.; Three is article service management information, comprises article owner information, specialized information, storage identification information, danger classes etc.; Four is the whole-life cycle fee information of article, refers to large-scale, dangerous, accurate or valuable controlled article especially, information such as mainly containing buying, maintain, keep in repair, use, scrap; Five is the logistics transportation information that article relate to, and mainly comprises forwarding unit, acknowledgement of consignment unit, institutional recipient, the information such as means of transportation; Six is dynamic state information of article, mainly comprises the shelf-life state etc. of the Dynamic Geographic position of article, article self or residing ambient condition (as temperature, humidity, vibration, the physical parameter such as photosensitive), article.
According to information classification above, can become multiple information module according to industry, theme with business demand Further Division, different industries can build the information module architecture of layering, piecemeal according to application demand.The corresponding one or more data structure block of each information module, selects related data structures module to build the data layout of multiple label in embody rule according to the application demand of industry.
Two, the structure of data structure block
(1) basic comprising of data structure block
Data structure block describes two parts compositions such as part primarily of data structure block identifier and data structure, as shown in Figure 1.Wherein, data structure block identifier is mainly used in the data structure block of unique identification corresponding to it; And the storage organization mode between data element/field of mainly relating in definition data structure module of data structure description part and data element/field (being later referred to as data element), be namely semanteme and the grammer of data of description construction module.In automatic tag identification during concrete storage real data, data structure block identifier and data structure describe the corresponding data set (being referred to as data memory module) stored of part to be needed to be stored in automatic tag identification simultaneously.
The identifier that each data structure block correspondence one is unique, the data structure block that unique identification is corresponding, it is in core status in whole automatic tag identification data layout, independent assortment and the basis that can resolve between data module in label, data structure block in all labels all needs to be registered by data structure block identifier, manage and resolved, and is convenient to the change and the migration that realize data structure block.Usually the information module being thought of as each industry distributes a data structure block identifier, and data structure block identifier comprises subject identifier and possible extended identifier is formed.
1, data structure block subject identifier
Subject identifier is a byte long, and the sexadecimal codomain of distribution body identifier is 12H-2FH, 36H-9FH and ABH-FEH, and other subject identifier codomain is mainly used in other Indicator system compatible.Subject identifier can directly use, and also can expand; Hexadecimal values FFH is used for the version expansion of future generation of the whole system of identifier.
2, data structure block extended identifier
If certain industry wishes to set up multiple data structure block due to business demand, thus need to expand the above-mentioned subject identifier distributing to 1 byte of the industry, easily extensible 1 byte or multiple byte length as required, the byte of expansion can the information such as the identifier ID of definition data structure module and the version number of data structure block further, and the concrete meaning of extended byte and requirement are specified by the supervisor of industry or coordination organization.
If certain industry is by its subject identifier distributed of expansion, expand 1 byte, then the whole identifier capacity after expansion is 2
8-1=255, that is this industry newly can define 255 data structure block, wherein expands the sexadecimal codomain FFH of 1 byte, carries out the expansion of secondary version for the sector identifier system.If in like manner expand 2 bytes simultaneously, the whole identifier capacity after expansion is 2
16-1=65535, wherein expand the sexadecimal codomain FFFFH of two bytes for the version expansion next time of the sector identifier system.
Data structure description part corresponding to identifier after identifier extension coding and expansion should be registered at related data structures registrar.
3, the compatibility of data structure block identifier
Distribution codomain due to subject identifier is 12H-2FH, 36H-9FH and ABH-FEH, substantially avoids the identifier interval of data structure in the automatic tag identification of domestic and international main flow, thus achieves the compatibility to mainstream standard.Such as, in the electronic product code EPC and in GS1 Indicator system, identifier value is 08H-0BH and 30H-35H two intervals; Identifier interval in the application race identifier AFI and for example defined in ISO/IEC17363-17367 series standard is A1H-AAH.
(3) data structure describes part structure
Data structure describes part main definitions dependent parser and semanteme, mainly comprise and organize storage mode between data element set and data element, wherein grammer cardinal index is according to the organizational form of data element multiple in construction module, the real implication that each data element used in semantic main definitions data structure block has.
1, grammer---data element tissue
Classify with or without format information according to data centralization, data set stores compact storage and tape format stores two kinds.Wherein the data centralization of compact storage does not have form decollator and relevant identifier, and the data layout of data set is pre-defined data layout template outside data set, the data layout template that the parsing of data centralization field or data needs data set corresponding.And the data centralization itself that tape format stores is with some format informations, as some separators and identifier information, it is all the data set that tape format stores that our common automatic identification application identities accords with (AI), data identifier (DI), electronic data interchange (EDI) and extend markup language (XML), the storage format constructing these data sets is relatively more flexible, and arbitrarily combination does not also affect Data Analysis.The total data stored in compact storage pattern is all store information data, and the data centralization that tape format stores also has related pattern information except information data.What thus the data centralization compact storage mode of formed objects stored contains much information, but the dirigibility of the data set of tape format storage is large.More flexible storage mode needs the additional formats information of interpolation more.Here trade-off between storage space and dirigibility is needed.
2, semantic---data element is chosen
Data element in data structure block is generally choose from the established data elecment dictionary of the industry, and the data element chosen can build the data structure block of arbitrary format; When adopting automatic identification mark symbol to build data structure block, automatic identification application identities symbol (AI) and the data identifier (DI) of definition in ISO/IEC 15418 can be selected, also can select the application identities symbol defined in GB/T 16986-2009.
3, the actual implementation of data structure block detail section
Industry-by-industry, when actual implementation data structure block, can select the data structure block of existing standard both at home and abroad, also can the distinctive data structure block of the self-defined industry.
(1) data structure block of existing standard is selected
Select the data structure block of existing standard both at home and abroad, a kind of situation is the data structure block being specifically designed to automatic tag identification, can directly usage data construction module with identifier, as electronic product code EPC coding scheme etc.; Another situation is that data structure block has fixing data element and the organizational form of data element, there is no data structure block identifier, as the container number code of 11, the medicine electronic supervision code etc. of 20, China in the world, this kind of data structure block, when writing label, should compose a unique data structure block identifier.
(2) data structure block of the self-defined industry
When the data structure block of the self-defined industry, first should determine according to application demand the message subject content needing storage, judge whether that existing data structure block can meet the demands; If can not meet the demands, in the data elecment dictionary that the industry is formulated, choose the data element of construction data construction module; Judge the characteristics such as the storage space of selectable automatic tag identification, determine that data structure block is that compact storage or tape format store; According to the Time window of automatic tag identification to the requirement of dirigibility, judge whether to select the tape formats such as automatic identification mark symbol to store; Whether be many according to storage content and repeat record, determine sequential core-pulling or circulation storage organization.Then, the data structure block of this theme is built according to service application demand.
The data structure block of the self-defined industry should be registered, and is endowed unique identifier simultaneously.
Four, the structure of automatic tag identification data layout
(1) selection of automatic identification data construction module
If automatic tag identification institute marking articles has multinomial business information requirements, according to the memory capacity of information classification above and automatic tag identification, one or more data structure block can be selected to build automatic tag identification data layout according to theme and business demand.
(2) storage of data module in automatic tag identification
Data layout due to automatic tag identification is combined by one or more data structure block.In automatic tag identification, the data of actual storage carry out tissue storage according to data memory module.Data memory module in automatic tag identification describes the corresponding data set stored of part by data structure block identifier and data structure thereof, and this data memory module should integrally be stored in automatic tag identification.For different automatic tag identifications, the storage mode of data structure block is different.
1, Coutinuous store Data Format
If multiple data structure block stores in the automatic tag identification with Coutinuous store space, such as, store in the labels such as two-dimensional bar code PDF417, QR code, GM code, the separator between data structure block adopts unit separator
u srepresent, for identifying the end of previous data structure block (according to GB/T1988
u sbe encoded to 31), as shown in Figure 2.
2, segmentation or the storage space by file management
If automatic tag identification has fragmented storage space (the 800/900MHz passive RF label etc. as ISO/IEC 18000-6C) or document storage management (the 2.45GHz active RFID tag etc. as GB/T 28925-2012), data structure block needs to store according to the corresponding standard-required of fragmented storage space or document storage management.As for the passive RF label meeting ISO/IEC 18000-6C standard, according to the definition of storage block in ISO/IEC 18000-6C, the identifier of the data structure block that article uniquely identify should write on (memory address 20H-27H) in UII (MB01) storage block, and concrete data structure block should write in the follow-up storage space of UII; And for example for the active radio frequency label meeting GB/T28925-2012 standard, according to table 19 file attribute information in this standard 7.3.2, the identifier of data structure block writes on file attribute information file identifier field (1-2 byte), and concrete data structure block should be written in respective file.
Five, the registration mechanism for resolving of data structure block
In automatic tag identification, data layout can realize flexile array mode, but effectively can be distinguished and resolve, and is mainly realized by the registration mechanism for resolving of data structure block.
(1) data structure block registration
Different industries researching and analysing through business demand, can build one or more data structure block, can register, and distribute an identifier for each data structure block, as shown in Figure 3 after industry specialists evaluation to data structure registrar.
(2) based on the mechanism for resolving of identifier
Data structure block mechanism for resolving in automatic tag identification data layout is as follows:
1. for the automatic tag identification in Coutinuous store space, automatic recognition read-write apparatus gathers all data (comprising one or more data memory module) in label, then enters the and 2. walks; For the automatic tag identification of fragmented storage space or file management, in reading tag, corresponding memory segment or corresponding document, be a data memory module, and take out data structure block identifier, then enters and 4. walk.
2. the separator in read whole data block is searched
u s, the multiple data memory modules in data block are decomposited according to separator.
3. if there is no data memory module, then exit analysis program, otherwise take out next data structure block.Read institute to take out first character in data memory module and save, this byte is subject identifier, according to subject identifier, judges whether to there is extended identifier; If there is extended identifier, then read extended identifier byte, and subject identifier composition data construction module identifier.
4. first the data structure block resolution component in host computer searches the analytic method of local corresponding data structure block according to data structure block identifier, if existed, corresponding analytic method is adopted to resolve data memory module, decomposite corresponding data element in module, and transfer to relevant information system to process, proceed to and 3. walk; If identifier does not have corresponding analytic method, enter the and 5. walk.
5. data structure block resolution component proposes the analysis request of identifier corresponding data construction module to the long-range resolution server of data structure block.
6. long-range resolution server searches the analytic method of data structure block in registrar according to identifier.
7. registrar returns analytic method corresponding to identifier to long-range resolution server.
8. analytic method corresponding for identifier is transmitted to data structure block resolution component by long-range resolution server.
9. the analytic method resolution data memory module that data structure block resolution component is corresponding according to identifier, decomposites corresponding data element in module, and transfers to relevant information system to process.
10. proceed to 3. to walk, resolve other data structure block successively, until all data memory modules have all been resolved.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (1)
1. an automatic tag identification data layout modular storage method, is characterized in that, described data structure block is described two parts in detail by data structure block identifier and data structure and formed;
Data structure block identifier is made up of subject identifier and extended identifier thereof, subject identifier is a byte long, the sexadecimal codomain of distribution body identifier is 12H-2FH, 36H-9FH and ABH-FEH, hexadecimal values FFH is used for the expansion of subject identifier, and extended identifier is expansion 1 byte or multiple byte length;
Data structure detailed description part is for selecting the data structure block of the data structure block of existing standard or the self-defined industry; Select the message subject content first should determining to need according to application demand storage during the data structure block of the self-defined industry, judge whether that existing data structure block can meet the demands; If can not meet the demands, in the data elecment dictionary that the industry is formulated, choose the data element of construction data construction module; Judge the characteristics such as the storage space of selectable automatic tag identification, determine that data structure block is that compact storage or tape format store;
The formation of automatic tag identification data layout: the data layout of automatic tag identification is combined by one or more above-mentioned data structure block;
The storage of automatic tag identification data memory module: the identifier of data structure block and the data set corresponding to data structure detailed description are stored in automatic tag identification as a whole simultaneously;
Separator in automatic tag identification between data memory module: if multiple data structure block stores in the automatic tag identification with Coutinuous store space, the separator between data structure block adopts unit separator U
srepresent, for identifying the end of previous data structure block; If automatic tag identification has fragmented storage space or document storage management, data structure block needs to require to store according to the correspondence of fragmented storage space or document storage management.
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