CN102306340A - Radio frequency network supermarket article information management system and method based on sensor network and peer-to-peer network - Google Patents
Radio frequency network supermarket article information management system and method based on sensor network and peer-to-peer network Download PDFInfo
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Abstract
The invention discloses a radio frequency network supermarket article information management system and method based on a sensor network and a peer-to-peer network, relates to the technical field of a radio frequency identification (RFID) technique, a wireless sensor network (WSN), light-emitting diode (LED) display and a peer-to-peer network (P2P) and in particular relates to an RFID network system based on the WSN and the P2P. The system comprises a wireless sensor node, a radio frequency tag identification reader, a radio frequency tag, a light-emitting diode display and a radio frequency tag information data base system server, wherein the wireless sensor node is used for managing article information in the peripheral region of the node; the radio frequency tag identification reader is used for reading and writing radio frequency tag information; the radio frequency tag is used for recording prices and name information of supermarket articles; the light-emitting diode display is used for displaying article price information; and the radio frequency tag information data base system server is used for storing and querying all article information. The RFID system is mainly applied to intelligent identification, positioning, price updating, balancing and the like of the supermarket articles. The RFID system is used for solving the problems that the articles are difficult to find out, the price information updating needs manual work to paste and change price tags and the like in the conventional supermarket article management.
Description
Technical field
The present invention relates to radio frequency identification (RFID) technology, wireless sensor network (WSN), light emitting diode (LED) demonstration and peer-to-peer network (P2P) technical field; Especially relate to a kind of RFID network system based on WSN and P2P, this rfid system is mainly used in the functions such as Intelligent Recognition, location, price updating and clearing of supermarket article.
Background technology
The small node that is integrated with sensor, data processing unit and communication unit that is defined as stochastic distribution of sensing net, the wireless network that the mode through self-organization constitutes.Wireless sensor network (WSN; Wireless Sensor Network) forms by being deployed in cheap microsensor nodes a large amount of in the monitored area; The network system of the self-organization of a multi-hop that forms through communication; Its objective is the information of perceptive object in cooperation ground perception, collection and the processing network's coverage area, and send to the observer.
Peer-to-peer network (P2P; Peer-to-Peer) technology receives the dual concern of academia and industrial community; Fortune Magazine is classified P2P as influences one of four following science and technology of Internet, becomes two of distributed computing technology field side by side with grid computing technology (Grid Computing) and studies focuses greatly.The thought of P2P changes Internet original C/S and calculates (Client/Server Computing) or B/S calculating (Brower/Server Computing) asymmetric like this computation schema; Each node status equity; Can become the user and the supplier of service simultaneously, this is that large-scale information sharing, direct communication and collaborative work provide flexibly, extendible computing platform.
Radio-frequency (RF) identification (RFID; Radio Frequency Identification) be a kind of non-contact automatic identification technology; Through the automatic recognition objective object of radiofrequency signal and load relevant information, can be applicable in the various rugged surroundings, can discern high-speed moving object and many tag recognition simultaneously.The most basic radio frequency network by following three the part form: 1, label (Tag, i.e. radio-frequency card): be made up of coupling element and chip, label contains built-in aerial, be used for and radio-frequency antenna between communicate; 2, reader: the equipment that reads (in read-write card, can also write) label information; 3, antenna: between label and reader, transmit radiofrequency signal.
Light emitting diode (LED, Light Emitting Diode) display screen is electronic display again or the word screen that wafts.Be made up of the LED dot matrix, the light on and off through redness or green light pearl come display text, picture, animation, video, and content can be changed at any time, and the each several part assembly all is the display device of modular construction.Usually form by display module, control system and power-supply system.The dot matrix that display module is made up of the LED lamp constitutes, and is responsible for luminous demonstration; Control system can allow contents such as screen displaying character, picture, video through the light on and off of control respective regions; Power-supply system is responsible for transferring input voltage and input current to display screen required voltage electric current.
Above technological synthesis is applied in the middle of the article information management of supermarket; Can well accomplish to the information of supermarket article discern automatically, function such as settle accounts automatically, make an inventory automatically in article location, price; Improve the efficient of supermarket management running; Thereby save the supermarket operation cost, create bigger benefit to the supermarket.The inventive method realizes the functions such as intellectuality identification, location, price updating and clearing of supermarket article under the environment of internet of things through adopting radio frequency label read-write machine, passive label, wireless senser, LED display and P2P technology.
Summary of the invention
Technical matters:The purpose of this invention is to provide a kind of intelligentized supermarket article information management system and its implementation, solve and have articles seeking difficulty in the Item Management of traditional supermarket, the pricing information renewal needs manual work to trade problems such as price tag in.This method is integrated use sensor, P2P, LED demonstration and RFID technology, reaches the functions such as Intelligent Recognition, location, price updating and clearing of supermarket article under the environment of internet of things.
Technical scheme:Method of the present invention is through introducing WSN, LED, P2P technology in the RFID network system; Make up a kind of RFID network system and its implementation that is applied to the supermarket Item Management, its objective is to solving the problems such as Intelligent Recognition, location, price updating and clearing of supermarket article under the environment of internet of things.
Radio frequency network supermarket article information management system based on sensing net and peer-to-peer network comprises:
Wireless sensor node is used to manage the Item Information of its peripheral region;
Radio-frequency (RF) tag identification read write line is used for radio-frequency (RF) tag information is read and writes;
Radio-frequency (RF) tag is used to write down the price and the name information of supermarket article;
Light emitting diode (LED) display screen is used to show the article pricing information;
Radio-frequency (RF) tag information database system server is used to provide the storage and the inquiry of all Item Information.
Described wireless sensor node is used to manage relevant article price updating information, communicates with light emitting diode (LED) display screen, radio-frequency (RF) tag identification read write line and radio-frequency (RF) tag information database system server end;
Described radio-frequency (RF) tag is discerned read write line, is used to read and write the radio-frequency (RF) tag information of article, wherein, forms a peer-to-peer network between each radio-frequency (RF) tag identification read write line, with server mode and client mode work;
Described radio-frequency (RF) tag identification read write line and wireless sensor node, light emitting diode (LED) display screen and radio-frequency (RF) tag information database system server communicate.
When described radio-frequency (RF) tag identification read write line was operated in server mode, this radio-frequency (RF) tag identification read write line read the radio-frequency (RF) tag information in other radio-frequency (RF) tag identification read write line internal memories around it; When radio-frequency (RF) tag identification read write line was operated in client mode, this radio-frequency (RF) tag identification read write line only read the article radio-frequency (RF) tag information around it.
Management method based on the radio frequency network supermarket article information management system of sensing net and peer-to-peer network comprises:
A. the related news that are used for management article information in the wireless sensor node received RF net, and the reporting system parts relevant with this message carry out the bookkeeping of Item Information;
B. said wireless sensor node is according to the said message passing service that gives information,
C. be used to ask the article radio-frequency (RF) tag to go under the situation of library information in said message, said wireless sensor node comprises according to the said message passing service that gives information:
Said wireless sensor node receives article radio-frequency (RF) tag warehouse-in message, and Item Information is sent to radio-frequency (RF) tag information database system server,
Said radio-frequency (RF) tag information database system server receives article radio-frequency (RF) tag warehouse-in message, in its database, upgrades this Item Information;
D. be used to ask under the situation of article location in said message, said wireless sensor node comprises according to the said message passing service that gives information:
Said wireless sensor node receives the message of request article location, and the message that the request article are located sends to radio-frequency (RF) tag information database system server;
After said radio-frequency (RF) tag information database system server receives the message of request article location, return this article position information and give wireless sensor node;
Said wireless sensor node receives this article position information that said radio-frequency (RF) tag information database system server sends;
E. be used to ask under the situation of article price updating in said message, said wireless sensor node comprises according to the said message passing service that gives information:
Said wireless sensor node receives the message of request article price updating, will ask the message of article price updating to send to radio-frequency (RF) tag information database system server,
Described radio-frequency (RF) tag information database system server receives the message of article price updating, in its radio-frequency (RF) tag database, upgrades the price of these article, and transmission contains the price of these article and the message of name information is given said wireless sensor node,
After the price of said these article of wireless sensor node reception and the message of name information, the price and the title of the radio-frequency (RF) tag of notice radio-frequency (RF) tag identification read write line change article, and pass through the shipment price changed information to light emitting diode (LED) display screen;
After described light emitting diode (LED) display screen received change price display message, the price of changing these article showed;
F. be used to ask under the situation of article price settlement in said message, said wireless sensor node comprises according to the said message passing service that gives information:
Said wireless sensor node receives the message of request article price settlement, and the message of asking the article price settlement is sent to radio-frequency (RF) tag identification read write line,
Said radio-frequency (RF) tag identification read write line is inquired about price and title that needs carry out the article radio-frequency (RF) tag information of price settlement; And calculate the total price that needs the clearing article; Price, title and total price information with these article sends to wireless sensor node then
Said wireless sensor node receives price, title and the total price informational message of article, and sends this message and give radio-frequency (RF) tag information database system server,
Said radio-frequency (RF) tag information database system server is sales figure with these article tag information flags after receiving price settlement message.
Beneficial effect:Method of the present invention is through introducing WSN, P2P and LED display technique in the RFID network system; Make up a kind of RFID network system and its implementation that is applied to the supermarket Item Management, its objective is to solving the problems such as Intelligent Recognition, location, price settlement and renewal of supermarket article under the environment of internet of things.The method that this invention proposes is also uncomplicated; Can realize solving in the Item Management of present supermarket existing and search article difficulty, price and can not real-time update need artificially to need the artificial problem target that scan clearing one by one when changing price tag and item checkout by hand, for supermarket article location, price settlement and price real-time update Study on Mechanism under the environment of internet of things provide the method with important value.
The present invention proposes a kind of RFID network system and its implementation that is applied to the supermarket Item Management, and the method for comparing in the past has some significant advantages:
Compatible with existing bar code:Through using two-dimensional bar and using the P2P read write line to read corresponding RFID label code and carry out correspondence one by one, can guarantee that the RFID network system that the present invention designs can the compatible existing Item Information that posts two-dimension code.
The article location mechanism:Through comprehensive use WSN, P2P and RFID technology, can accurately locate the position at the article place of current desired seek.
Price updating mechanism:Through using WSN, LED and RFID technology; Can carry out the real-time demonstration and the modification of electronization easily to the pricing information of article; Reduce personnel and participated in tearing the process of pasting price tag, and then improved the accuracy rate and the raising supermarket efficiency of management of supermarket article pricing information.
Price settlement mechanism:Through using RFID and P2P reader technology to carry out disposable automatic clearing to a plurality of article, improved the clearing speed in supermarket, reduced the phenomenon that the peak period client need line up and pay the bill, reduced supermarket settlement clerk's personnel cost expenditure simultaneously.
Description of drawings
Fig. 1 is a network architecture synoptic diagram of the present invention.
Fig. 2 is that physical network of the present invention connects synoptic diagram.
Fig. 3 is an Item Information warehouse-in schematic flow sheet.The Item Information warehouse-in flow process signal based on RFID of expression the inventive method.
Fig. 4 is an article positioning flow synoptic diagram.The RFID article positioning flow signal based on WSN, P2P technology of expression the inventive method.
Fig. 5 is an article price updating schematic flow sheet.The RFID article price updating flow process signal based on WSN, LED demonstration of expression the inventive method.
Fig. 6 is the price settlement schematic flow sheet.The RFID article price settlement flow process signal based on WSN, P2P technology of expression the inventive method.
Embodiment
One, architecture
Fig. 1 has provided the architecture that the present invention is used for the RFID network system design of supermarket article information management, and its main function components comprises WSN node, P2P reader, RFID label, LED price display and the article that are identified.
Below we provide specifying of critical piece:
The WSN node:Each WSN node is in charge of the Item Information in institute's compass of competency, can communicate with LED price display screen, rfid interrogator and RFID information management system server end simultaneously.A plurality of WSN nodes are formed the WSN network.
Reader:The present invention has designed a kind of RFID reader based on the work of P2P mode.This reader can be used as server reader and client reader.When rfid interrogator was operated in server mode, this rfid interrogator can read the RFID label information in other rfid interrogator internal memories around him; When rfid interrogator was operated in client mode, this rfid interrogator can only read the article RFID label information around him; Rfid interrogator can communicate with WSN, LED price display screen and RFID information management system server end.
:The RFID label.Based on cost consideration, the kinds of goods in supermarket are a lot, and the RFID label that is attached on the article does not generally reclaim, and the distance between the supermarket shelves layer generally is in 1 meter, and the present invention selects to use passive label.This label is read-only in addition, equally also is based on cost consideration, and read only tag is cheaply more a lot of than read-write label cost.
Information database system:Be used to store price and other attribute informations of all article.
The price display screen:Be used to show the real time price of article.
The article that are identified:Post the article of RFID label.
Two, method flow
The inventive method mainly provides Item Information warehouse-in, article location, article price updating and settlement function.
The workflow of the main modular of inventive method is following:
(1) Item Information warehouse-in
A) utilize the two-dimension code fetch equipment to read the 2 D code information of article;
B) the P2P reader-writer to read RFID label information of using the present invention to design;
C) rfid system upgrades the relevant article RFID information of RFID lane database.
(2) article location
A) the RFID label information of article of input;
B) the RFID positioning system is searched the article position in the RFID Database Systems;
C) wireless sensor node reads current P2P reading device position, calculates current position;
D) the RFID positioning system is cooked up a path that can reach according to the position at current location and article place.
(3) price updating
A) needs of input upgrade the article RFID said tag of price, and the price of this label is made amendment;
B) the RFID data base management system (DBMS) is sent this modification pricing information at once in the RFID network;
C) the WSN network node is responsible for this modification price message of route to the LED price display screen of correspondence, and notice P2P reader is revised the pricing information of corresponding article;
D) LED display is received the price of revising behind the pricing information behind the display update in real time;
E) the P2P reader sends the modification price and orders the article radio-frequency (RF) tag to correspondence.
(4) price settlement
A) all article that need settle accounts are left concentratedly in shopping basket;
B) read write line reads the RFID label code and the price of article in the shopping basket, and these RFID label codes are sent to wireless sensor node;
C) the RFID data base management system (DBMS) is given in wireless sensor node shipment price clearing order.
D) the RFID data base management system (DBMS), and mails to checkout result on the LED display curtain of shopping basket through wireless sensor network for selling the corresponding article marking of these RFID label codes.
Describe for ease, suppose following application example:
Embodiment one:
Client A gets into the supermarket and wants to buy article B, C, D, suppose the supermarket according to the present invention the scheme constructs of proposition the RFID network system, and P2P read write line, LED display and RFID positioning system software are housed in the shopping basket.
The embodiment of the location of article and price settlement function is following:
(1) A has at first selected a shopping basket;
(2) on the display screen of shopping basket, select RFID positioning system software, the keyword of the article B that input is wanted to buy;
(3) the RFID positioning system will be returned many Item Information that contain article B keyword and supply the A selection;
(4) A selects an article B;
(5) the RFID positioning system goes out the position of B through searching the instant playback of RFID database, and through the position that the P2P reader communication that is arranged in ultra incity WSN node and shopping basket is obtained current A, cooks up a reachable path and offer A;
(6) A arrives the shelf place of depositing article B according to the position of RFID positioning system prompting, and article are put into shopping basket;
(7) repeating step 2-6 buys article C and D;
(8) after the process of choosing finishes, need to leave the supermarket after the clearing payment, A can carry out disposable clearing to B, C, D article through the disposable settlement channel of RFID article of special use, and checkout result will be presented on the LED display curtain of shopping basket.
Embodiment two:
The supermarket keeper need change the price of article E, F, G, the RFID network system of having supposed scheme constructs that the supermarket has proposed according to the present invention.
The embodiment of the price updating function of article is following:
(1) the supermarket keeper has revised the price of article E, F, G in the RFID Database Systems;
(2) the RFID database price modification information of sending article E, F, G is automatically given wireless sensor network;
(3) wireless sensor network judges whether it is the article needs change price in the own institute compass of competency according to article E, F, G radio-frequency (RF) tag information; If then notify the price behind the LED display display update immediately, and send message and revise sticker price for the P2P reader;
The P2P reader receives after wireless sensor network revises sticker price information, sends the pricing information in the radio-frequency (RF) tag of the corresponding article of message modification at once.
Claims (3)
1. radio frequency network supermarket article information management system based on sensing net and peer-to-peer network is characterized in that this information management system comprises:
Wireless sensor node is used to manage the Item Information of its peripheral region;
Radio-frequency (RF) tag identification read write line is used for radio-frequency (RF) tag information is read and writes;
Radio-frequency (RF) tag is used to write down the price and the name information of supermarket article;
Light emitting diode (LED) display screen is used to show the article pricing information;
Radio-frequency (RF) tag information database system server is used to provide the storage and the inquiry of all Item Information;
Described wireless sensor node is used to manage relevant article price updating information, communicates with light emitting diode (LED) display screen, radio-frequency (RF) tag identification read write line and radio-frequency (RF) tag information database system server end;
Described radio-frequency (RF) tag is discerned read write line, is used to read and write the radio-frequency (RF) tag information of article, wherein, forms a peer-to-peer network between each radio-frequency (RF) tag identification read write line, with server mode and client mode work;
Described radio-frequency (RF) tag identification read write line and wireless sensor node, light emitting diode (LED) display screen and radio-frequency (RF) tag information database system server communicate.
2. according to claims 1 described radio frequency network supermarket article information management system based on sensing net and peer-to-peer network; It is characterized in that; When described radio-frequency (RF) tag identification read write line was operated in server mode, this radio-frequency (RF) tag identification read write line read the radio-frequency (RF) tag information in other radio-frequency (RF) tag identification read write line internal memories around it; When radio-frequency (RF) tag identification read write line was operated in client mode, this radio-frequency (RF) tag identification read write line only read the article radio-frequency (RF) tag information around it.
3. the management method of the radio frequency network supermarket article information management system based on sensing net and peer-to-peer network as claimed in claim 1 is characterized in that, comprising:
A. the related news that are used for management article information in the wireless sensor node received RF net, and the reporting system parts relevant with this message carry out the bookkeeping of Item Information;
B. said wireless sensor node is according to the said message passing service that gives information,
C. be used to ask the article radio-frequency (RF) tag to go under the situation of library information in said message, said wireless sensor node comprises according to the said message passing service that gives information:
Said wireless sensor node receives article radio-frequency (RF) tag warehouse-in message, and Item Information is sent to radio-frequency (RF) tag information database system server,
Said radio-frequency (RF) tag information database system server receives article radio-frequency (RF) tag warehouse-in message, in its database, upgrades this Item Information;
D. be used to ask under the situation of article location in said message, said wireless sensor node comprises according to the said message passing service that gives information:
Said wireless sensor node receives the message of request article location, and the message that the request article are located sends to radio-frequency (RF) tag information database system server;
After said radio-frequency (RF) tag information database system server receives the message of request article location, return this article position information and give wireless sensor node;
Said wireless sensor node receives this article position information that said radio-frequency (RF) tag information database system server sends;
E. be used to ask under the situation of article price updating in said message, said wireless sensor node comprises according to the said message passing service that gives information:
Said wireless sensor node receives the message of request article price updating, will ask the message of article price updating to send to radio-frequency (RF) tag information database system server,
Described radio-frequency (RF) tag information database system server receives the message of article price updating, in its radio-frequency (RF) tag database, upgrades the price of these article, and transmission contains the price of these article and the message of name information is given said wireless sensor node,
After the price of said these article of wireless sensor node reception and the message of name information, the price and the title of the radio-frequency (RF) tag of notice radio-frequency (RF) tag identification read write line change article, and pass through the shipment price changed information to light emitting diode (LED) display screen;
After described light emitting diode (LED) display screen received change price display message, the price of changing these article showed;
F. be used to ask under the situation of article price settlement in said message, said wireless sensor node comprises according to the said message passing service that gives information:
Said wireless sensor node receives the message of request article price settlement, and the message of asking the article price settlement is sent to radio-frequency (RF) tag identification read write line,
Said radio-frequency (RF) tag identification read write line is inquired about price and title that needs carry out the article radio-frequency (RF) tag information of price settlement; And calculate the total price that needs the clearing article; Price, title and total price information with these article sends to wireless sensor node then
Said wireless sensor node receives price, title and the total price informational message of article, and sends this message and give radio-frequency (RF) tag information database system server,
Said radio-frequency (RF) tag information database system server is sales figure with these article tag information flags after receiving price settlement message.
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| CN103714465B (en) * | 2013-12-24 | 2016-07-06 | 南京邮电大学 | Intelligent retail market construction method based on RFID tag and sensor network |
| CN104318279B (en) * | 2014-10-23 | 2017-09-15 | 苏州健雄职业技术学院 | A kind of supermarket's commodity intelligent tagging systems |
| CN104318279A (en) * | 2014-10-23 | 2015-01-28 | 苏州健雄职业技术学院 | Supermarket goods intelligent tag system |
| CN105096145A (en) * | 2015-09-11 | 2015-11-25 | 武汉威杜信息科技有限公司 | Product tracing method and system based on FRID (radio frequency identification) electronic tag |
| CN106980984A (en) * | 2017-04-05 | 2017-07-25 | 冯小大 | A kind of Product Status monitoring method, device and system |
| CN106980984B (en) * | 2017-04-05 | 2020-08-28 | 冯小大 | Product state monitoring method, device and system |
| CN108596052A (en) * | 2018-04-09 | 2018-09-28 | Oppo广东移动通信有限公司 | A kind of articles seeking method, system and terminal device |
| CN109583874A (en) * | 2018-11-12 | 2019-04-05 | 北京小米移动软件有限公司 | Commodity price update method and device |
| CN109583874B (en) * | 2018-11-12 | 2022-03-08 | 北京小米移动软件有限公司 | Commodity price updating method and device |
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