CN1704924A - Front end handling system of radio frequency identification systems - Google Patents
Front end handling system of radio frequency identification systems Download PDFInfo
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- CN1704924A CN1704924A CN 200410046129 CN200410046129A CN1704924A CN 1704924 A CN1704924 A CN 1704924A CN 200410046129 CN200410046129 CN 200410046129 CN 200410046129 A CN200410046129 A CN 200410046129A CN 1704924 A CN1704924 A CN 1704924A
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Abstract
This invention discloses a front end process system for a RF identification system including: an inserted microprocessor control module, a programmable logic control module, a memory for storing processed data, in which, the microprocessor control module reads and writes to the memory connected with the programmable logic control module by controlled signal line and data line and connected with foreign readers via standard communication interfaces. Said microprocessor control module and the programmable control module apply identification, selection and sort algorithms to process data from the reader and communicates to the central process system by control orders.
Description
Technical field
The present invention relates to electronic code and radio-frequency recognition system application, relating in particular to a kind of being used for carries out Screening Treatment and converts a kind of front-end processing system of radio-frequency recognition system of authority data form to the raw data of reader (Reader) output.
Background technology
On April 22nd, 2004, China EPCGlobal sets up in China, and sponsored by national standardization management committee, the Department of Science and Technology etc. that EPC Global China sets up and 2004 Chinese EPC and the high-rise forum of Internet of Things, this develops the generation greatness and far-reaching influence fast and efficiently to China EPC and Internet of Things.Product electronic code (be called for short EPC) is in order to improve the logistics supply chain management level, to reduce cost and a new technology that newly-developed gets up, can realizing all entity objects unique effective sign of (comprising Retail commodity, Logistic Unit, container, freight transport packing etc.).And Internet of Things is on the basis of computer internet, utilizes technology such as radio-frequency recognition system (abbreviation rfid system), wireless data communications, " Internet of Things (an Internet of Thing) " who realizes global Item Information Real-Time Sharing of structure.At present, external many companies have produced the reader of EPC, data terminal, but these readers are by each company oneself definition communication protocol and instruction, there is not versatility, and reader is not done any Screening Treatment to the EPC label that reads, if relevant elementary Screening Treatment is put into center system to focus on, will take the ample resources of system, and its agreement of different readers is all different with instruction, if the replacing reader will carry out a large amount of modifications and adjustment to total system.
Summary of the invention
The front-end processing system that the purpose of this invention is to provide a kind of radio-frequency recognition system, processing such as it can be discerned the raw data of reader output, screens, sorts, calculating, and convert a kind of specification data form to, realize the modularization of system design.
For achieving the above object, the present invention takes following design proposal: a kind of front-end processing system of radio-frequency recognition system, and it comprises:
One embeds the processing and control module that declines, be responsible for transmitting-receiving order and data processing and with the central processing system communication scheduling;
One universal logic module carries out logical process according to the decline requirement of processing and control module of embedding;
One is used for the stores processor memory of data, is used to store I/O data and intermediate treatment process data;
Little processing and control module is carried out read-write operation to storer, and it is by control signal wire and data line and universal logic module connection;
The output of outer reader connects the input of little processing and control module by standard communication interface, and little processing and control module communicates by standard communication interface and central processing system.
Identification, screening, ordering, computing are responsible in the embedding processing and control module major control transmitting-receiving instruction that declines, and the control universal logic module screens, ordering, computing.
Universal logic module accept to embed processing such as the control command of the processing and control module that declines is screened, sorted, calculating, also input/output signal is carried out logic control in addition and handles.
The front-end processing system of radio-frequency recognition system of the present invention and reader and central processing system communicate by standard communication interface.
Described standard communication interface is a kind of communication interface among RS232, RS422, RS485, Bluetooth, Ethernet, WLAN, the USB.
Advantage of the present invention is:
1, resource can reuse: can carry out identification to the EPC label at different readers, processing such as screening are with specification data form, the output of unified standard interface;
2, can realize modularization, highly versatile;
3, shorten the R﹠D cycle: but the simplified system design particularly to paying close attention to the producer of back-end processing system, need not understood the specialized protocol and the instruction of various readers, just can design the research and development back-end system, has reduced design difficulty and threshold.
Description of drawings
Fig. 1 is the front-end processing system application system principle of compositionality block diagram of radio-frequency recognition system of the present invention
Fig. 2 is the circuit theory diagrams of front-end processing system one specific embodiment of radio-frequency recognition system of the present invention
Fig. 3 is an algorithm routine FB(flow block) of the present invention
Fig. 4 is applied to system's principle of compositionality block diagram of checking on the warehouse door hurdle
Fig. 5 is applied to system's principle of compositionality block diagram that clearing are checked in the supermarket for the present invention
Embodiment
As shown in Figure 1, the front-end processing system of radio-frequency recognition system of the present invention by communication cable, embed the processing and control module 1 that declines, universal logic module 2, storer 3, standard communication interface and form (the interior unit of frame of broken lines among the figure).Wherein, the core of technical solution of the present invention is to utilize the Processing Algorithm that embeds the processing and control module that declines, the suitable application need of universal logic module employing that the various formatted datas of reader output are handled, and convert uniform data format to, then to be read or initiatively transmissions such as its storage and uniform.
Native system both can be resolved identification to its instruction at different readers, can add different Processing Algorithm according to the rear end needs again.
The front-end processing system one specific embodiment circuit of radio-frequency recognition system of the present invention is referring to Fig. 2, signal by reader input is input to programmable logic device (PLD) U2 from SIN0～SIN7, and U2EPM3128 carries out related algorithm and handles according to the decline requirement of processing and control module U3 of embedding; Embedding declines and is connected communication by S0～S15, A0～A14, DA0～DA7 between processing and control module U3 and the programmable logic device (PLD) U2, uses storer to come storing relevant data or uses as buffer memory.Programmable logic device (PLD) U2 controls reader by SOUT0～SOUT7 again or exports to back-end system (as server etc.).
Serial ports level transferring chip U1 is SP3220E, and an end can be connected with central processing system, and decline processing and control module U3 or universal logic module U2 of an end and embedding links to each other.
The decline kind of processing and control module, programmable logic device (PLD) and storer of embedding is a lot, and adopting programmable logic device (PLD) U2 (EPM3128), embedded microprocessor U3 (W77LE58), storer U5 (W24258), latch U4 (74HC573) in the foregoing description is example.
Fig. 3 can realize repeat reading number of times etc. is discerned, calculated to same label for the relevant algorithm flow block diagram of present embodiment, then to be read or initiatively transmissions such as its storage and uniform.
It is a kind of implementation that radio-frequency recognition system front-end processing system of the present invention is changed the data processing of reader output to central processing system.
Its server platform is the server of any form, comprises being absorbed in the general-purpose platform do value-added service, certain domain-specific platform etc.
Described central processing system is special-purpose embedded system (this operation for embedded system embedded OS, as Windows CE, Embedded Linux etc. have demonstration, communication, I/O function).
Microprocessor in the described embedded system can be 32 a micro control system, and there are demonstration, communication, I/O function in this system, and the microprocessor of this system can be a single-chip microcomputer, digital signal processor (DSP) etc.
The present invention is described further below in conjunction with the concrete embodiment that uses:
Embodiment 1: the goods by the warehouse door hurdle is managed scheduling, follows the tracks of.
As shown in Figure 4, present embodiment is made up of EPC electronic tag 101, EPC reader 102, RFID front-end processing system 103 (and the present invention), central processing server 104, wherein, reader realizes that with being connected by the RS232 communication cable of RFID front-end processing system RFID front-end processing system and central processing server are realized by WLAN (wireless local area network).
Its principle of work and process are: reader and RFID front-end processing system are installed on the warehouse door hurdle; Read EPC electronic tag in fork truck or the container by reader, be transferred to the RFID front-end processing system then, in the RFID front-end processing system, embedding decline processing and control module unified control universal logic module and storer, utilize special-purpose Processing Algorithm, electronic tag is made unique identification, record reading times etc., store by certain cannonical format, and carry out interactive communication by WLAN and central server.
Embodiment 2: be used for the management of POS to supermarket shopping.
As shown in Figure 5: this example is made up of EPC electronic tag 201, EPC reader 202, RFID front-end processing system 203 (and the present invention), POS 204, wherein, reader realizes that with being connected by the RS232 communication cable of RFID front-end processing system the front-end processing system of radio-frequency recognition system and POS realize by the RS232 communication cable.
Its principle of work and process are: at EXIT reader and RFID front-end processing system are installed.Read EPC electronic tag in the shopping frame by reader, be transferred to the RFID front-end processing system then, utilize special-purpose Processing Algorithm, electronic tag is made unique identification, record reading times etc., by certain cannonical format storage, and carry out interactive communication by RS232 and POS, POS goes out relevant treatment such as price and total charge according to the EPC tag computation that is write down.
POS i.e. the POS in above-mentioned supermarket, also can be a kind of POS processor in the Fare Collection System of highway.
Only in order to be easy to illustrate technology contents of the present invention, the present invention also can be applicable to other various types of occasion (as highway tolling system, port and pier cargo monitoring system or the like) together to the specific embodiment that is proposed in the above-mentioned explanation.
Claims (10)
1, a kind of front-end processing system of radio-frequency recognition system is characterized in that it comprises:
One embeds the processing and control module that declines, be responsible for transmitting-receiving order and data processing and with the central processing system communication scheduling;
One universal logic module carries out logical process according to the decline requirement of processing and control module of embedding;
One is used for the stores processor memory of data, is used to store I/O data and intermediate treatment process data;
Little processing and control module is carried out read-write operation to storer, and it is by control signal wire and data line and universal logic module connection;
The output of outer reader connects the input of little processing and control module by standard communication interface, and little processing and control module communicates by standard communication interface and central processing system.
2, the front-end processing system of radio-frequency recognition system as claimed in claim 1, it is characterized in that: embed the processing and control module major control transmitting-receiving instruction that declines, be responsible for identification, screening, ordering, computing, the control universal logic module screens, ordering, computing.
3, as the front-end processing system of claim 1,2 described radio-frequency recognition systems, it is characterized in that:
Universal logic module accept to embed that the control command of the processing and control module that declines is screened, ordering, computing, also input/output signal is carried out logic control in addition and handles.
4, the front-end processing system of radio-frequency recognition system as claimed in claim 1 is characterized in that: the front-end processing system of radio-frequency recognition system and reader and central processing system communicate by standard communication interface.
5, the front-end processing system of radio-frequency recognition system as claimed in claim 1 is characterized in that: described standard communication interface is a kind of communication interface among RS232, RS422, RS485, Bluetooth, Ethernet, WLAN, the USB.
6, the front-end processing system of radio-frequency recognition system as claimed in claim 1 is characterized in that: described central processing system is a server platform.
7, the front-end processing system of radio-frequency recognition system as claimed in claim 6 is characterized in that: its server platform is to be absorbed in a kind of server of doing in the general-purpose platform of value-added service, the special-purpose field platform.
8, the front-end processing system of radio-frequency recognition system as claimed in claim 1 is characterized in that: described central processing system is a POS.
9, the front-end processing system of radio-frequency recognition system as claimed in claim 8 is characterized in that: wherein POS is the POS processor of a kind of form in the Fare Collection System of POS, highway in supermarket.
10, the front-end processing system of radio-frequency recognition system as claimed in claim 1 is characterized in that: described central processing system is an embedded system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410046129 CN1704924A (en) | 2004-06-01 | 2004-06-01 | Front end handling system of radio frequency identification systems |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200410046129 CN1704924A (en) | 2004-06-01 | 2004-06-01 | Front end handling system of radio frequency identification systems |
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| CN1704924A true CN1704924A (en) | 2005-12-07 |
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| CN 200410046129 Pending CN1704924A (en) | 2004-06-01 | 2004-06-01 | Front end handling system of radio frequency identification systems |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102650974A (en) * | 2012-04-16 | 2012-08-29 | 青岛海信移动通信技术股份有限公司 | Radio frequency identification terminal access method and system |
| CN102984318A (en) * | 2012-12-14 | 2013-03-20 | 杭州电子科技大学 | Universal interface applied to configurable mobile phone |
| CN103366410A (en) * | 2013-07-29 | 2013-10-23 | 国家电网公司 | Intelligent inspection system for electrical equipment based on internet of things |
| CN108873781A (en) * | 2018-07-09 | 2018-11-23 | 厦门驿创数字科技有限公司 | A kind of Full-automatic digital equipment |
-
2004
- 2004-06-01 CN CN 200410046129 patent/CN1704924A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102650974A (en) * | 2012-04-16 | 2012-08-29 | 青岛海信移动通信技术股份有限公司 | Radio frequency identification terminal access method and system |
| CN102984318A (en) * | 2012-12-14 | 2013-03-20 | 杭州电子科技大学 | Universal interface applied to configurable mobile phone |
| CN103366410A (en) * | 2013-07-29 | 2013-10-23 | 国家电网公司 | Intelligent inspection system for electrical equipment based on internet of things |
| CN103366410B (en) * | 2013-07-29 | 2018-10-12 | 国家电网公司 | A kind of power equipment intelligent inspection system based on Internet of Things |
| CN108873781A (en) * | 2018-07-09 | 2018-11-23 | 厦门驿创数字科技有限公司 | A kind of Full-automatic digital equipment |
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