CN206292822U - Checkout based on RFID is made an inventory and positioning antitheft system - Google Patents

Abstract

The utility model discloses a kind of checkout based on RFID and makes an inventory and positioning antitheft system, RFID label tag in kinds of goods or kinds of goods external packing, read write line unit, check out devices of making an inventory and background server are attached to including several, read write line unit includes Zigbee module, the rfid interrogator that locator and locator are connected；RFID label tag one end connects rfid interrogator, and the other end connects check out devices of making an inventory, check out devices of making an inventory other end connection background server.The utility model is realized light bond account, quickly recalls kinds of goods, prevents from mistake from taking by mistake putting and stolen, greatly promote the efficiency of Supermarket management and mitigate the pressure of Supermarket management personnel, break away from the inconvenience of supermarket's traditional approach, the management and operation of supermarket are greatly facilitated using technology of Internet of things, it is simple to operation.

Description

Checkout based on RFID is made an inventory and positioning antitheft system

Technical field

The utility model is related to internet of things field, more particularly to based on RFID (Radio Frequency Identification, radio frequency identification) checkout make an inventory and positioning antitheft system.

Background technology

At present tradition supermarket except common manpower clearing are outer, use is mostly that bar code fashion settles accounts commodity, both compared with For labor intensive it is also possible to there is the situation of omission error, unnecessary loss is caused.Often there are some in supermarket cold Hide food etc. due to the unrest of customer take leave about and shop assistant in view of time energy etc. reason can not find in time, so as to cause Loss, when supermarket because certain reason is wanted to find certain goods, often takes a long time, and uses passive sensory RFID Be accurately positioned, can easily quickly find goods and avoid goods unrest take leave about caused loss so that with The characteristic of RFID can be effectively prevented from that goods is stolen or customer forgets that this kind of situation of payment occurs.All can in usual supermarket Video monitoring is equipped with, prevents kinds of goods to be stolen, but unless discovery in time, otherwise finds that kinds of goods are stolen, even if having again over time Monitoring also is difficult to recover, and loses time and energy.But with reference to the characteristic of passive RFID, it is possible to easily avoid cargo pilfering And cause damage.Once the rfid interrogator in exit is monitored outstanding kinds of goods and will in time send alarm, recover in time, keep away Exempt from loss.

The content of the invention

The common Internet of Things communication technology mainly has：RFID, bluetooth, WIFI, GPRS, GSM, NFC, wireless senser etc.. RFID is a kind of communication technology, by radio signals identification specific objective and can read and write related data, and without identifying system Mechanical or optical contact is set up between specific objective.Its operation principle is simultaneously uncomplicated, after label enters magnetic field, receives and understands The radiofrequency signal that device sends, storage product information (passive mark in the chips is sent out by the energy that induced-current is obtained Sign or passive tag), or signal (the Active Tag, actively active label or mark that a certain frequency is actively sent by label Sign), after plug-in reader reads information and decoding, delivering to CIS carries out relevant data processing.

For location technology, determine positioning result quality and efficiency is the selection of location algorithm naturally, main at present The location algorithm of stream causes effectively to position due to the limitation of cost or environmental disturbances precision, and base more novel at present It is then to select well in the location algorithm (PDOA) of phase, low cost and positioning precision is high, strong antijamming capability can be fast Speed obtains the distance between label and read write line, is suitable for being accurately positioned extensively.

The utility model purpose is to design PC ends software and the portion of the passive sensory RFID technique based on technology of Internet of things Administration's rfid interrogator, RFID label tag unit and check out devices of making an inventory.Light bond account is realized, kinds of goods is quickly recalled, is prevented mistake Take by mistake and put and stolen, greatly promote the efficiency of Supermarket management and mitigate the pressure of Supermarket management personnel, break away from supermarket's traditional approach Inconvenience, the management and operation of supermarket are greatly facilitated using technology of Internet of things.

Therefore, the utility model takes following technical scheme：Checkout based on RFID is made an inventory and positioning antitheft system, including Several are attached to RFID label tag in kinds of goods or kinds of goods external packing, read write line unit, check out devices of making an inventory and background server, The read write line unit includes Zigbee module, the rfid interrogator that locator and the locator are connected；The RFID label tag One end connects rfid interrogator, and the other end connects check out devices of making an inventory, the check out devices other end connection background service of making an inventory Device, the background server is connected with warning device.Background server is by the current location to RFID label tag and leaves original The time of position is counted, and the condition according to setting sends alarm signal.

Also include a LED, be connected with the locator.

The warning device is arranged in the PC terminals of exit and the check out devices of making an inventory.

Light bond account is realized, kinds of goods is quickly recalled, is prevented from mistake from taking by mistake putting and stolen, greatly promote the effect of Supermarket management Rate simultaneously mitigates the pressure of Supermarket management personnel, breaks away from the inconvenience of supermarket's traditional approach, is greatly facilitated using technology of Internet of things super The management and operation in city, it is simple to operation.

Brief description of the drawings

Fig. 1 is that the checkout based on RFID is made an inventory and positioning antitheft system principle framework figure；

Specific embodiment

In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and implementation Example, is further elaborated to the utility model.It should be appreciated that specific embodiment described herein is only used to explain The utility model, is not used to limit the utility model.

As shown in figure 1, the described keyboard point of supermarket one is settled accounts, kinds of goods update and supervise antitheft positioning system hardware structure bag Containing following sections：RFID label tag, read write line unit, check out devices of making an inventory and background server.

According to the size of supermarket's volume, in some read write line units of supermarket's On-premise, it is ensured that read write line unit scan To scope can cover whole supermarket.Upper RFID label tag is pasted to all kinds of goods in supermarket, is marked to RFID provisioned in kinds of goods The information (price, numbering etc.) of write-in kinds of goods in signing, and the information correspondence in the RFID provisioned in each kinds of goods is protected itself Exist in database, after kinds of goods are put to be finished, arrival is positioned so as to obtain to goods label unit using Zigebee modules The particular location of product, zigbee modules can increase the distance of PC and read write line unit communication.Any one is found when in need Commodity can be quickly found out according to position and inventory information enquiry module, because rfid interrogator unit monitor in real time goods Product, so after certain goods label left its original region more than 30 minutes, being alarmed by program.At cashier, Because the information of the label corresponding to every kinds of goods is stored in database, by the disposable clearing price of check out devices of making an inventory Lattice, efficiently without mistake, save manpower, it is to avoid error.When the kinds of goods do not settled accounts are detected after the completion of equipment checkout, Then send alarm, notify administrative staff, it is to avoid stolen or customer forget clearing etc the occurrence of caused by need not The loss wanted.PDOA location algorithms are written with locator, are used to receive the information from label that read write line is received Label is positioned, LED flickers is controlled after position is calculated, to show to position successfully.Check out devices of making an inventory and read write line list The difference of unit is that store in locator is account closing procedure, rfid interrogator recognize after purchased commodity EPC is numbered with it is rear Platform server interaction obtains cargo price and then calculates total price, so that quick cash register.

The system running software is on PC, including secure log module, link block, module for reading and writing, kinds of goods position and letter Breath enquiry module, a key billing module, alarm module.When open the checkout of supermarket one keyboard point, kinds of goods update and supervise it is antitheft fixed After the systems soft ware of position, the login account and password used by secure log module verification software enter software after being verified In.The controllable rfid interrogator of link block is communicatively coupled by way of wired connection or LAN with PC. After read write line unit and PC successful connections, can read read write line read-write scope interior label information (EPC numberings etc.) or Person is to writing information (price, details) input database etc. again inside it.After carrying out several above-mentioned operations, make The exact position of certain specific kinds of goods come quick search is numbered by being input into the EPC of kinds of goods with kinds of goods position and information inquiry module And details.One key billing module is at the cashier by disposable cash register after the calculating of check out devices of making an inventory.Alarm Module includes two parts, and one is not settled accounts also after the kinds of goods of monitor in real time left original region more than 30 minutes, hair Responding is responded with anti-unrest and is taken and leaves about and cause damage；If another is to detect the RFID label tag of the kinds of goods for payment in exit, Send burglar alarm.

Technological means disclosed in the utility model scheme is not limited only to the technological means disclosed in above-mentioned implementation method, also Including being combined constituted technical scheme by above technical characteristic.

Claims (3)

1. the checkout based on RFID is made an inventory and positioning antitheft system, it is characterised in that：Kinds of goods or kinds of goods are attached to including several RFID label tag, read write line unit, check out devices of making an inventory and background server in external packing, the read write line unit include positioning Device and Zigbee module, the rfid interrogator of locator connection；Described RFID label tag one end connects rfid interrogator, separately One end connects check out devices of making an inventory, the check out devices other end connection background server of making an inventory, the background server connection There is warning device.

2. the checkout based on RFID according to claim 1 is made an inventory and positioning antitheft system, it is characterised in that：Also include one Individual LED, is connected with the locator.

3. the checkout based on RFID according to claim 1 is made an inventory and positioning antitheft system, it is characterised in that：The alarm Device is arranged in the PC terminals of exit and the check out devices of making an inventory.