CN201845403U - Ultrahigh frequency RFID (radio frequency identification device) intelligent commodity anti-theft channel - Google Patents

Ultrahigh frequency RFID (radio frequency identification device) intelligent commodity anti-theft channel Download PDF

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Publication number
CN201845403U
CN201845403U CN2010205046418U CN201020504641U CN201845403U CN 201845403 U CN201845403 U CN 201845403U CN 2010205046418 U CN2010205046418 U CN 2010205046418U CN 201020504641 U CN201020504641 U CN 201020504641U CN 201845403 U CN201845403 U CN 201845403U
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China
Prior art keywords
side door
antenna
theft
receiving antenna
rfid
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Expired - Fee Related
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CN2010205046418U
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Chinese (zh)
Inventor
徐坚强
胡注娇
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SHANGHAI FUYING SOFTWARE CO Ltd
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SHANGHAI FUYING SOFTWARE CO Ltd
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Priority to CN2010205046418U priority Critical patent/CN201845403U/en
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Abstract

The utility model discloses an ultrahigh frequency RFID (radio frequency identification device) intelligent commodity anti-theft channel, which comprises a first side door and a second side door which are oppositely placed, wherein the first side door comprises a first side door shell, the second side door comprises a second side door shell, the cavity of the first side door shell is internally provided with a first receiving antenna and a first emitting antenna which are separately arranged from top to bottom and are positioned in the middle area in the shell, the cavity of the second side door shell is internally provided with a second receiving antenna, an RFID reader and a second emitting antenna which are separately arranged at top, middle and bottom and are positioned in the middle area in the second side door shell, and the antennas are connected with the RFID reader through an antenna feeder line. The ultrahigh frequency RFID intelligent commodity anti-theft channel can automatically identify the information of passed commodity classification and the like, has high identifying speed, can simultaneously cover the position range of commodity held by customers, carries out full, remote and quick detection to the possible existing location of commodity, has stronger anti-interference capacity, and can remarkably improve the quality and efficiency of anti-theft operation.

Description

A kind of ultrahigh frequency RFID intelligence commodity anti-theft passage
Technical field
The utility model relates to a kind of anti-theft device, relates in particular to a kind of ultrahigh frequency RFID intelligence commodity anti-theft passage.
Background technology
Along with popularizing of open sales field, free shopping has become the favorite shopping way of consumers in general, but the incident stolen case that increases has gradually had a strong impact on the economic benefit in market, causes a lot of markets to have to reactivate counter type and sells.At present, EAS (Electronic ArticleSurveillance) claims electronic goods thief-proof (robber) system again, is one of extensive commercial articles safety measure of adopting of present large-scale retail trade.The EAS system mainly is made up of detecting device, demoder and electronic tag three parts, electronic tag is divided into soft label and hard label, soft label cost is lower, directly stick to than on " firmly " commodity, not reproducible use, the softer label height of hard label nonrecurring cost must be equipped with special nail-fetching device, be used for clothes class article softness, that easily penetrate more, can reuse.Demoder mostly is contactless device, and when commodity process Cash register, it is decodable code that the electronic tag on the commodity need not contact the demagnetization zone.Detecting device is generally the detection system device at gateway, market or cash register passage place, after receiving the correct fund that certain client deals with for certain commodity of purchase, the cashier just can be by carrying out neutralisation to the label that sticks on the commodity, and authorize these commodity to leave certain appointed area legally.And without the commodity band of decoding from the market, when (mostly being a shape), can trigger warning through detector means, thereby remind cashier and market security personnel in time to handle.The EAS system belongs to the single-bit radio-frequency recognition system, owing to have only two states, so the existence that it is merely able to report commodity whether, is what commodity and there are not these commodity of capability report, and the EAS system is subject to the interference of some magnetic or metal, causes the wrong report of system or does not report.
RFID is the abbreviation of Radio Frequency Identification, be radio-frequency (RF) identification, the most basic rfid system is made up of three parts: label, form by coupling element and chip, each label has unique electronic code, attached to identifying destination object on the object; Reader reads or writes the equipment of label information; Antenna transmits radiofrequency signal between label and reader.The RFID label is divided into two kinds on active tag and passive label, and self has powered battery active tag, and reading/writing distance is far away, and volume is bigger simultaneously, and to compare cost higher with passive label, is also referred to as active label; The required energy of acquisition work in the magnetic field that passive label is produced by reader, cost is very low and have very long serviceable life, and littler also lighter than active tag, reading/writing distance is then nearer, is also referred to as passive label.The principle of work of RFID: reader goes out the radiofrequency signal of certain frequency by antenna transmission, thereby when label enters magnetic field, produce induction current and obtain energy, send out information such as self coding be read device read and decode after deliver to host computer and carry out relevant processing.
The utility model content
The purpose of this utility model provides information such as a kind of recognition value kind automatically and has the ultrahigh frequency RFID intelligence commodity anti-theft passage of antijamming capability.
The technical scheme that its technical matters that solves the utility model adopts is:
A kind of ultrahigh frequency RFID intelligence commodity anti-theft passage, comprise first side door and second side door put relatively, it is characterized in that, described first side door be equipped with first receiving antenna and with corresponding first emitting antenna of described first receiving antenna, and the central region of described first side door is laid and be positioned to described first receiving antenna and described first emitting antenna up and down, described second side door is equipped with second receiving antenna, rfid interrogator and with corresponding second emitting antenna of described second receiving antenna, and described second receiving antenna, the central region of described second side door, described first receiving antenna are laid and be positioned to described rfid interrogator and the described second emitting antenna upper, middle and lower, first emitting antenna, second receiving antenna all is connected with described rfid interrogator by feeder line with second emitting antenna.
Above-mentioned ultrahigh frequency RFID intelligence commodity anti-theft passage, wherein, described rfid interrogator is provided with two receiving antenna interfaces and two emitting antenna interfaces, described first, second receiving antenna is connected with described receiving antenna interface respectively, and described first, second emitting antenna is connected with described emitting antenna interface respectively.
Above-mentioned ultrahigh frequency RFID intelligence commodity anti-theft passage, wherein, described rfid interrogator inside is provided with a high-velocity electrons change-over switch of two groups of dual-mode antenna alternations of control automatically.
Above-mentioned ultrahigh frequency RFID intelligence commodity anti-theft passage, wherein, described first, second receiving antenna and described first, second emitting antenna are circular polarized antenna.
Above-mentioned ultrahigh frequency RFID intelligence commodity anti-theft passage, wherein, the height of described first side door and described second side door is all greater than 160cm, and the thickness of described first side door and described second side door is all less than 3.5cm.
Above-mentioned ultrahigh frequency RFID intelligence commodity anti-theft passage, wherein, described first side door comprises the first side door housing, and second side door comprises the second side door housing.
Above-mentioned ultrahigh frequency RFID intelligence commodity anti-theft passage, wherein, described first receiving antenna and described first emitting antenna are located in the described first side door housing cavity, and described second receiving antenna, described rfid interrogator and described second emitting antenna are located in the described second side door housing cavity.
Compared with prior art, because the utility model adopts based on two groups of dual-mode antennas of ultra-high frequency RFID technology and rfid interrogator, and two groups of antennas distribute up and down respectively relatively, like this, can automatically identify information such as dealing type of merchandize, and recognition speed is fast, can better cover simultaneously the position range of commodity that client holds again, the orientation that commodity may exist is carried out comprehensively, detected at a distance, fast, and antijamming capability is stronger, can obviously improve the quality and the efficient of antitheft operation.
Description of drawings
Fig. 1 is the structural representation of the utility model ultrahigh frequency RFID intelligence commodity anti-theft passage;
Fig. 2 is the rfid interrogator external interface synoptic diagram of the utility model ultrahigh frequency RFID intelligence commodity anti-theft passage.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments, but not as qualification of the present utility model.
See also Fig. 1, the utility model ultrahigh frequency RFID intelligence commodity anti-theft passage mainly is made up of first side door of putting relatively 1 and second side door 2, form antitheft passage between the two fan doors, the height of first side door 1 and second side door 2 is all greater than 160cm, and thickness is all less than 3.5cm.First side door 1 is equipped with the upper and lower surface antenna, i.e. first receiving antenna 102 and first emitting antenna 103, two surface antennas are positioned at same plane and are positioned at the central region of first side door 1, and towards second side door 2, first emitting antenna 103 is used for the transmitting radio magnetic wave, promptly send the order of rfid interrogator, first receiving antenna 102 is used for receiving the electromagnetic wave that the RFID electronic tag returns, promptly receive commodity data or EAS status information that the RFID electronic tag is comprised, this group antenna and rfid interrogator constitute a working group that can work independently.Second side door 2 is equipped with ultrahigh frequency (860~960MHz) rfid interrogator 202, second receiving antenna 203 and second emitting antenna 204, one group of antenna in its installation site of upper and lower surface antenna in second side door 2 and principle of work and first side door 1 is identical, and this group antenna equally also can constitute a working group that can work independently with rfid interrogator.Rfid interrogator 202 is between second emitting antenna 204 and second receiving antenna 203.Two groups of antennas all are connected with rfid interrogator 202 by feeder 3, and feeder 3 is applied between the two fan doors as connecting line and is layed in the face of land or is embedded in the underground.Rfid interrogator 202 need not other computer control, can constantly send EAS automatically and detect instruction.In the present embodiment, with first side door 1 of this antitheft passage and the both sides, doorway that second side door 2 is installed on market or large supermarket respectively, for this antitheft passage carries out the power supply of 220V power supply, can form a width is that 3~5m, thickness are that 50cm is with interior overlay area, a magnetic field.In the present embodiment, write the EAS alarm state information in advance in the RFID electronic tag, only this EAS alarm state information just can be eliminated after commodity are normally paid the bill through cashier.When client holds this antitheft passage of commodity process that posts the RFID electronic tag, the emitting antenna work of this antitheft passage produces magnetic field, the electronic tag of commodity enters after the magnetic field, received RF signal, rely on the energy that induction current obtained to send out the product information that is stored in the chip, these information are obtained by receiving antenna, two groups of dual-mode antennas like this detect constantly whether the electronic labeling information that is arranged on the EAS alarm condition is arranged in the magnetic field range, can trigger warning if having just, triggering reports to the police partly not do at this as known technology gives unnecessary details.Because the magnetic field range overlay area is limited, just can be detected information when therefore having only commodity attached to the electronic tag on the commodity through the doorframe mouth, can not detect the inside and outside 50cm of doorframe other electronic labeling informations of scope in addition, thereby can avoid not selling the false alarm of product in the gate, shop on every side.
First side door 1 can also have the central region that one first side door housing, 101, the first receiving antennas 102 and 103 liang of surface antennas of first emitting antenna are positioned at same plane and are positioned at the first side door housing, 101 cavitys, and towards second side door 2.Second side door 2 can have one second side door housing 201, and rfid interrogator 202, second receiving antenna 203 and second emitting antenna 204 are positioned at same plane and are positioned at the central region of the second side door housing, 201 cavitys, and towards second side door 1.
See also Fig. 2, rfid interrogator 202 is provided with four antennal interfaces 2021, wherein two antennal interfaces are used for launching electromagnetic wave, two other antennal interface is used for receiving electromagnetic wave, first, second receiving antenna is connected with the receiving antenna interface respectively, and first, second emitting antenna is connected with the emitting antenna interface respectively.One one of receipts are one group, independent time-sharing work between two groups.12V powered by direct current mouth 2022 is arranged on the rfid interrogator 202, be connected with the ac/dc transformer, the other end of transformer can directly insert the 220V alternating current.Also have netting twine mouth 2023 can be connected netting twine or Serial Port Line on the read write line, can select and the computing machine communication, but the read write line in the present embodiment need not computer control with serial ports 2024.The high speed timesharing that two groups of antennas are controlled by the high-velocity electrons change-over switch in rfid interrogator 202 inside is switched.
Two groups of antennas all are circular polarized antenna in a narrow margin, all are the antennas through particular modulation, can effectively detect the RFID electronic tag that the various directions in magnetic field range are placed.The RFID electronic tag is the information carrier of rfid system, and the RFID electronic tag is formed parasitic element by coupling original paper (coil, microstrip antenna etc.) and microchip mostly at present.The general half-duplex operation mode that adopts is carried out message exchange between read write line and the RFID electronic tag, reads while write device and provides energy and sequential by coupling to passive electronic label.
Rfid interrogator of the present utility model is only launched the order of detected electrons label E AS status information, other information of electronic tag are not read and write, thereby detection speed is fast, induction is sensitive, and distance can reduce the hardware cost that burglary-resisting system is installed in market or shop, and can use based on other functional modules of RFID with commodity, it is antitheft to utilize a common RFID electronic tag to finish, and need not to install in addition special eas tag, greatly reduces the cost of overlapping investment.In actual applications, also can be further realize management functions such as collection, processing and teletransmission to object identification information by modes such as Ethernet or WLAN.

Claims (7)

1. ultrahigh frequency RFID intelligence commodity anti-theft passage, comprise first side door and second side door put relatively, it is characterized in that, described first side door be equipped with first receiving antenna and with corresponding first emitting antenna of described first receiving antenna, and the central region of described first side door is laid and be positioned to described first receiving antenna and described first emitting antenna up and down, described second side door is equipped with second receiving antenna, rfid interrogator and with corresponding second emitting antenna of described second receiving antenna, and described second receiving antenna, the central region of described second side door, described first receiving antenna are laid and be positioned to described rfid interrogator and the described second emitting antenna upper, middle and lower, first emitting antenna, second receiving antenna all is connected with described rfid interrogator by feeder line with second emitting antenna.
2. ultrahigh frequency RFID intelligence commodity anti-theft passage according to claim 1, it is characterized in that, described rfid interrogator is provided with two receiving antenna interfaces and two emitting antenna interfaces, described first, second receiving antenna is connected with described receiving antenna interface respectively, and described first, second emitting antenna is connected with described emitting antenna interface respectively.
3. ultrahigh frequency RFID intelligence commodity anti-theft passage according to claim 1 and 2 is characterized in that described rfid interrogator inside is provided with a high-velocity electrons change-over switch of two groups of dual-mode antenna alternations of control automatically.
4. ultrahigh frequency RFID intelligence commodity anti-theft passage according to claim 1 and 2 is characterized in that described first, second receiving antenna and described first, second emitting antenna are circular polarized antenna.
5. ultrahigh frequency RFID intelligence commodity anti-theft passage according to claim 1 is characterized in that the height of described first side door and described second side door is all greater than 160cm, and the thickness of described first side door and described second side door is all less than 3.5cm.
6. ultrahigh frequency RFID intelligence commodity anti-theft passage according to claim 1 it is characterized in that described first side door comprises the first side door housing, and second side door comprises the second side door housing.
7. ultrahigh frequency RFID intelligence commodity anti-theft passage according to claim 6, it is characterized in that, described first receiving antenna and described first emitting antenna are located in the described first side door housing cavity, and described second receiving antenna, described rfid interrogator and described second emitting antenna are located in the described second side door housing cavity.
CN2010205046418U 2010-08-24 2010-08-24 Ultrahigh frequency RFID (radio frequency identification device) intelligent commodity anti-theft channel Expired - Fee Related CN201845403U (en)

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Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102426746A (en) * 2011-12-07 2012-04-25 黄秉炎 Anti-interference wireless radio frequency anti-theft system and anti-interference application method
CN102663595A (en) * 2012-04-05 2012-09-12 焦林 Product information inquiry promotion system from manufacturer to logistics distributor, seller and consumer
CN102855457A (en) * 2012-08-06 2013-01-02 中国科学院自动化研究所 Door-type radio frequency identification (RFID) multi-antenna deployment system and method based on intelligent prediction
CN102956048A (en) * 2011-08-19 2013-03-06 永奕科技股份有限公司 Electronic detection gate
CN103366425A (en) * 2012-04-09 2013-10-23 浙江钧普科技股份有限公司 Gantry intelligent automatic identification channel based on RFID (Radio Frequency Identification Device) technology
CN103366424A (en) * 2012-04-09 2013-10-23 浙江钧普科技股份有限公司 Vehicle-mounted intelligent automatic identification channel based on RFID (Radio Frequency Identification Device) technology
CN103870788A (en) * 2014-02-27 2014-06-18 中云智慧(北京)科技有限公司 RFID warning system applying circularly polarized antenna
TWI455070B (en) * 2011-08-19 2014-10-01 Yeon Technologies Co Ltd Electronic detection gate
CN105528848A (en) * 2014-09-29 2016-04-27 镇江石鼓文智能化***开发有限公司 Shopping mall electronic theft prevention system and mounting method thereof
CN105654658A (en) * 2014-11-21 2016-06-08 北京浪奇捷联科技开发有限公司 Method and apparatus for realizing object monitoring and monitoring system
CN106384141A (en) * 2016-11-21 2017-02-08 江苏轩博电子科技有限公司 Warehousing logistics door system based on UHF RFID technology
CN106846697A (en) * 2014-03-10 2017-06-13 泉州市诺伊曼信息科技股份公司 A kind of antitheft information system
CN106845607A (en) * 2016-12-30 2017-06-13 杭州思创汇联科技有限公司 A kind of narrow beam RFID circular polarized antenna systems
CN109190428A (en) * 2018-08-17 2019-01-11 北京缤歌网络科技有限公司 The decoded method and apparatus of multi-panel
CN109546289A (en) * 2017-09-21 2019-03-29 赖中平 The antenna configuration of RFID security door
CN110222807A (en) * 2019-07-05 2019-09-10 深圳市章誉物联技术有限公司 A kind of transmitting-receiving separation channel high-frequency RF ID
CN110353379A (en) * 2019-07-18 2019-10-22 宁波讯强电子科技有限公司 Anti- apparatus and system of taking on the sly for the communication equipment with shooting function
CN110390795A (en) * 2019-07-16 2019-10-29 上海联百商业设备有限公司 A kind of passenger flow monitoring system
CN111695366A (en) * 2019-03-14 2020-09-22 北京京东尚科信息技术有限公司 Electronic tag reading method and device for settlement channel

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102956048A (en) * 2011-08-19 2013-03-06 永奕科技股份有限公司 Electronic detection gate
TWI455070B (en) * 2011-08-19 2014-10-01 Yeon Technologies Co Ltd Electronic detection gate
CN102426746A (en) * 2011-12-07 2012-04-25 黄秉炎 Anti-interference wireless radio frequency anti-theft system and anti-interference application method
CN102663595A (en) * 2012-04-05 2012-09-12 焦林 Product information inquiry promotion system from manufacturer to logistics distributor, seller and consumer
CN103366425A (en) * 2012-04-09 2013-10-23 浙江钧普科技股份有限公司 Gantry intelligent automatic identification channel based on RFID (Radio Frequency Identification Device) technology
CN103366424A (en) * 2012-04-09 2013-10-23 浙江钧普科技股份有限公司 Vehicle-mounted intelligent automatic identification channel based on RFID (Radio Frequency Identification Device) technology
CN102855457A (en) * 2012-08-06 2013-01-02 中国科学院自动化研究所 Door-type radio frequency identification (RFID) multi-antenna deployment system and method based on intelligent prediction
CN102855457B (en) * 2012-08-06 2015-05-06 中国科学院自动化研究所 Door-type radio frequency identification (RFID) multi-antenna deployment system and method based on intelligent prediction
CN103870788A (en) * 2014-02-27 2014-06-18 中云智慧(北京)科技有限公司 RFID warning system applying circularly polarized antenna
CN106846697A (en) * 2014-03-10 2017-06-13 泉州市诺伊曼信息科技股份公司 A kind of antitheft information system
CN105528848A (en) * 2014-09-29 2016-04-27 镇江石鼓文智能化***开发有限公司 Shopping mall electronic theft prevention system and mounting method thereof
CN105654658A (en) * 2014-11-21 2016-06-08 北京浪奇捷联科技开发有限公司 Method and apparatus for realizing object monitoring and monitoring system
CN106384141A (en) * 2016-11-21 2017-02-08 江苏轩博电子科技有限公司 Warehousing logistics door system based on UHF RFID technology
CN106845607A (en) * 2016-12-30 2017-06-13 杭州思创汇联科技有限公司 A kind of narrow beam RFID circular polarized antenna systems
CN106845607B (en) * 2016-12-30 2023-12-08 杭州思创汇联科技有限公司 Narrow wave beam RFID circular polarization antenna system
CN109546289A (en) * 2017-09-21 2019-03-29 赖中平 The antenna configuration of RFID security door
CN109190428A (en) * 2018-08-17 2019-01-11 北京缤歌网络科技有限公司 The decoded method and apparatus of multi-panel
CN111695366A (en) * 2019-03-14 2020-09-22 北京京东尚科信息技术有限公司 Electronic tag reading method and device for settlement channel
CN111695366B (en) * 2019-03-14 2024-03-01 北京京东乾石科技有限公司 Electronic tag reading method and device for settlement channel
CN110222807A (en) * 2019-07-05 2019-09-10 深圳市章誉物联技术有限公司 A kind of transmitting-receiving separation channel high-frequency RF ID
CN110390795A (en) * 2019-07-16 2019-10-29 上海联百商业设备有限公司 A kind of passenger flow monitoring system
CN110353379A (en) * 2019-07-18 2019-10-22 宁波讯强电子科技有限公司 Anti- apparatus and system of taking on the sly for the communication equipment with shooting function

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Granted publication date: 20110525

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