CN106785331A

CN106785331A - It is applied to the intelligent counter system of the linear polarization near field antenna of gold and jewelry industry

Info

Publication number: CN106785331A
Application number: CN201611008826.8A
Authority: CN
Inventors: 刘启达
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-11-16
Filing date: 2016-11-16
Publication date: 2017-05-31
Anticipated expiration: 2036-11-16
Also published as: CN106785331B

Abstract

A kind of intelligent counter system containing near field line polarized antenna arrays, including anti-metal electronic tag, micro- balance weigh, IMAQ, real time inventory, sale safety monitoring system and asset management database system；Every gold/jewelry article is configured with smart RFID Anti-scrape labels, system by linear polarization near field antenna unit/array radiofrequency signal to each product state in which for example stock, it is for sale, sold and process carries out information exchange after sale etc., and inquired about and programming count according to the information that smart FRID label informations carry out different classes of article.The system control sytsem is made up of each independent control module, and modules perform associative operation except automatic, it is also possible to receive the control instruction that high in the clouds/web server sends；The present invention is capable of achieving to provide the gold/jewelry of many sales counters, many shops the distributed AC servo system of guard system, each module is had control ability, improves the flexibility of system, reduces that operator is daily to make an inventory the time.

Description

It is applied to the intelligent counter system of the linear polarization near field antenna of gold and jewelry industry

Technical field

The present invention relates to intelligent counter system, more particularly to a kind of linear polarization near field antenna for being applied to gold and jewelry industry Intelligent counter system, on-line monitoring and real time inventory function can be carried out to the jewelry being placed in intelligent sales counter.

Background technology

REID (Radio frequency identification, RFID) is a kind of using radio-frequency technique reality Existing non-contact automatic identification technology.Rfid system is general by electronic tag (tag), read write line (reader) and data depositary management Three parts of reason unit constitute；By the antenna having on the label and its label with coding, read write line carries out non-with label The high speed data transfer and completion automatic identification process of contact.Its operation principle is after label enters magnetic field, to receive read write line hair The radiofrequency signal for going out, it is (passive that the energy that the antenna structure for thus being included in label is obtained sends information of the storage on chip Label)；Or actively send out the signal (active label) of a certain frequency.After read write line reads information and decoding, data are delivered to Management system carries out data processing.Rfid interrogator is by antenna, RF receiving and transmission module, signal processing unit, control unit and connects Mouth circuit composition.RF receiving and transmission module completion rf signal reception, transmitting, modulatedemodulate mix up control function of power；Signal transacting Unit major function is the realization of anti-collision algorithms and information encryption, decryption, verification and error correction；Control unit coordinates whole read-write The work of device；Interface circuit completes the data transfer between read write line and data management system.Data management system is by database The storage and management of data are completed, it is communicated by various interfaces and the RFID card reader being distributed in everywhere, and RFID is obtained in real time The label information of read write line capture.

The sale monopoly sales counter that all there is brand shop in jewellery sector is made an inventory, as jewellery sector, because carrying out daily The product of sale is all value ratio bullion higher, and the work of making an inventory to goods is particularly significant；Made an inventory by kinds of goods Work, can in time understand the sales situation of various products, assist in completion company to various product market capacity Numerical analysis, while can also check the quantity of jewelry, reduces the loss of product, and management error etc. is many asks Topic.But current jewelry inventory work is substantially completed by artificial manual operations, and jewelry product has small volume, and quantity is big Actual conditions, the product of big quantity made an inventory by a small amount of business personnel, has resulted in reality huge when making an inventory working expenditure Border situation.There is data to suggest that a common jeweler's shop is once made an inventory the product in shop, work averagely needs five hours Left and right.Efficiency of making an inventory result in each jeweler's shop cannot accomplish daily or weekly to make an inventory product.

It is proposed by the present invention that smart-RFID electronic anti-counterfeit tags are designed and its be applied to gold pearl for problem above The intelligent counter system of precious wholesale/retail trade is directed to manufacturer in gold and jewelry industry at this stage, whole seller and retail A kind of solution that the label that business is used is the problems that are caused with Techniques of Optical Security such as bar code/Quick Response Codes and proposed Scheme.For example, current jewelry it is wholesale/label that the operator of retail trade is used is the bar shaped being attached on item for sale The papery Anti-scrape label of the optical encodings such as code/Quick Response Code, if operator will realize daily appointing making an inventory for thousands of part articles Business is, it is necessary to take a substantial amount of time, man power and material, and almost part impossible mission.Therefore, current line is in the industry Each shops uses the solution monthly made an inventory；And increase electronic information code (globally unique electromagnetism on the basis of the label Coding), can not only retain the optical information such as bar code coding, can also be encoded by electromagnetism and realize non-contact read-write function, Gold and jewelry industry Nei Ge producers, the daily management mission of whole seller and retailer are facilitated, and saves substantial amounts of artificial use The time of amount and daily business of making an inventory；Retailer can be by this while can realizing kinds of goods antiforge function and improve security The displaying subsystem or member's subsystem of management system, user will be seen that new product promotion message, and the maintenance of product of having done shopping is protected The service such as the information of supporting.The quick counting of article can be realized as retailer and make an inventory automatically, and anti-theft early-warning function, while Realize that the lifecycle management in the jewelry process of circulation has been carried out the secondary marketing for consumer；To consumer Speech, is easy to the true and false to inquire about and replace and the service of maintain etc., is taken while facilitating each shops operator and providing follow-up increment Business；For manufacturer, antiforge function is being realized while also improving Brand management and brand increment；By each shops's intelligent cabinet The information that platform system obtains being placed in each item for sale on sales counter is effectively managed.For example, by the article Whether real time and on line monitoring system can obtain whether the article leaves sales counter, leave the time of sales counter and be normally saled Information, so as to obtain the quantized data to customer's Interest Measure of single article；By to right in each shops and its intelligent sales counter Item for sale species forms big data information, it may be appreciated that client needs, and analyzes client characteristics, assesses customer value, so as to be visitor Work out corresponding marketing strategy and resource allocation program in family.Electronic label technology is introduced into gold and jewelry asset management, makes Huang Gold jewelry sales management automatic management improves a step.

The content of the invention

For the defect for overcoming above-mentioned prior art to exist, gold and jewelry is applied to it is an object of the invention to provide one kind The intelligent counter system of the near field linear polarized antenna of industry, based on smart-RFID labels, to realize in affiliated shops of group The Anneta module being distributed in intelligent counter system carry out independent control, improve the flexibility of system and reduce system and ring Between seasonable.The system as the asset management system based on smart-RFID electronic tags and its gold and jewelry industry subsystem System, is the uniqueness of the electromagnetism coding by the use of in smart-RFID electronic tags as the master index keyword of data base administration, and It is combined with such as Quick Response Code optical information coding of its outer surface printing, makes (or the bar shaped of smart-RFID labels and the Quick Response Code Code) and the information such as certificate number, the name of an article, weight correspond, and realize data binding；And with it is quick near safety cabinet Input System such as article weighing system and image capturing system etc. are cooperateed with, and are capable of achieving the thing for sale to being placed in sales counter The targets such as the real time inventory of product, false proof examination and asset management.

To reach above-mentioned purpose, the technical solution adopted by the present invention is：

The intelligent counter system of the linear polarization near field antenna of gold and jewelry industry is applied to, including is attached to every jewelry product The foldable snakelike load ultrahigh frequency electronic tag of product, the in the form of an array distributed fixed near field line being installed on below sales counter Poliarizing antenna；The multi-path antenna read write line of the formula that is connected near field linear polarized antenna；It is connected in real time with multi-path antenna read write line Make an inventory work station；Real time inventory work station to array be arranged on sales counter under fixed near field antenna be controlled, and realize it is right It is placed in the electronic tag affiliated by the article on intelligent sales counter and is written and read control, monitored Item Information is included the article Affiliated shops, the intelligent sales counter and its antenna position information of affiliated shops, if leave sales counter, leave the beginning and ending time of sales counter with And whether be normally saled information and be stored in real time inventory work station, real time inventory work station can work independently in local number According to base management system, it is also possible to cooperateed with cloud database management system.

Described real time inventory work station is physically located in shops, in connecting between cloud network and this shops Between layer segment, it is main to be responsible for being controlled the antenna on each sales counter in this shops register and make an inventory work and response high in the clouds The service request of network data base, the database and cloud network database of real time inventory work station are included to read write line and day The tables of data that two main hardwares of line are described, wherein having to the primary fields that antenna read write line form is included, " antenna is read and write Device numbers (id) ", " network address (ip) ", " network port number " and " place shops numbers (id) ", and what antenna form was included Primary fields have " antenna number (id) ", " antenna title ", " antenna sequence number ", " place sales counter numbering ", and " place read write line is compiled Number (id) " and " place read write line interface index (id) ", the label coding list monitored to each antenna uses structure of arrays It is stored in the internal memory of real time inventory work station；Due in shops all items quick binning phase by it is special enter library facilities In printing for information about to the RFID label tag of item for sale, will carry out carrying out it man-to-man data to bind and being uploaded to high in the clouds Database Systems, actually real time inventory work station are only uploaded " in cabinet state " when reading first time to cloud network database RFID label tag list and number, hereafter, only upload the new tag number for adding sales counter；And the article in cashier sale is then Request is sent to network data base the current state of label is updated to " having sold " state from " in cabinet " state at cashier；It is real When work station of making an inventory be monitored for the label in " in cabinet " state, if it leaves sales counter and fails within the designated time Its state is changed, then will be alarmed in the computer interface of cashier ejection warning message.

Described electronic tag is included using foldable snakelike load ultrahigh frequency RFID electronic tag, RFID General RFID chip and label antenna；RFID chip include Imping m4D or Alien H3 chips, general-purpose chip Monza5, Monza4D and big memory chip Monza 4QT, the antenna of electronic tag passes through etching, coil winding, the screen printing of electrically conductive ink The method of brush or magnetron sputtering is made, and the size of antenna structure is 14.5mm ╳ 14.5mm, the centre frequency of Antenna Operation In 915MHz, return loss S₁₁=-21.35dB, standing-wave ratio be less than 2 (- 10dB) when bandwidth of operation for 38MHz (897~ 936MHz), relative bandwidth is 10.6%, and after normal sale, snakelike structure division is in cashier for described label antenna Cut, cause the resonance center frequeH of tag antenna structure to be offset to beyond 940MHz.

Described fixed near field antenna type belongs near field linear polarized antenna, and cellular construction is divided into the signal radiation on upper strata The signal reflex layer 2-2 of layer 2-5 and lower floor, intermediate layer is conductting layer 2-4, is added between conductting layer 2-4 and signal reflex layer 2-2 Enter insulating barrier 2-3, insulating barrier 2-3 is used and is contained within width for the I-shaped conducting channel FR4 that 2 millimeters, thickness are 10 microns is situated between Matter composite plate, signal radiating layer 2-5 points of upper strata is four completely identical in structure polygonized structure radiating elements, each radiation Unit has four installation apertures again, three mounting holes of each radiating element upper end and containing the height that two ends are threaded hole is The Universal connection post of 8.5cm is connected with reflecting layer 2-2, another mounting hole of the lower end of each radiating element body with contain two ends The height in hole is threaded for the Universal connection post of 7.5cm is connected with I-shaped FR4 media composite plate, FR4 medium composite plates It is also required to be fixed with signal reflex layer 2-2 phases by screw, additionally, the feeding classification of conductting layer 2-4 is radiated using coaxial pair Four big radiating element timesharing feeds of layer 2-5, the other end of coaxial line is connected with the sub-miniature A connector of radio frequency connector 2-6, ABS plastic can be injected to single fixed near field antenna (48cm ╳ 40cm ╳ 7.5cm) encapsulation and form protective layer, add protection The overall size of layer is 50cm ╳ 42cm ╳ 10cm.It is worth noting that if the installation of actual sales counter is without protective layer structure, and The function solenoid of antenna is not influenceed.

Described fixed near field antenna belongs near field linear polarized antenna, and the frequency response characteristic of antenna single unit is： Work as S11<During -10dB, between 897MHz~936MHz, center resonant frequency is near 915MHz for frequency distribution；When label frequently The response frequency range of rate is more than 925MHz, and antenna performance is reduced rapidly, i.e., often increase 1MHz, S11 reductions 0.09dB；Similarly, when Frequency is less than 882MHz, often reduces 1MHz, and S11 reduction 0.12dB, antenna performance is reduced rapidly.

Described fixed near field antenna belongs near field linear polarized antenna, and 20dB power outputs correspond to label position distance Antenna reference face is 50~60 cm heights, and it is 15~20 lis that 15dB power outputs correspond to label position apart from antenna reference face Meter Gao Du, and it is 10~15 cm heights that 10dB power outputs correspond to label position apart from antenna reference face.

Described fixed near field antenna unit can expand to various array structures, fixed near field linear polarized antenna Other two kinds of specifications are respectively 48cm ╳ 50cm and 48cm ╳ 60cm；Thus producible combination can meet sizes cabinet It is 6 kinds that platform has altogether, such as 48cm ╳ 80cm, 48cm ╳ 90cm, 48cm ╳ 100cm, 48cm ╳ 110cm, 48cm ╳ 120cm, 48cm ╳ 130cm, 48cm ╳ 140cm, 48cm ╳ 150cm and 48cm ╳ 180cm, because above-mentioned linear polarized antenna unit is comprising complete Four radiating elements of structure, referred to as I types antenna, in order to meet under non-standard sales counter situation to linear polarized antenna the need for, Four polygonal elements removal of aerial radiation layer 2-5 is therein 1~3, and in the connection of its removal unit and FR4 dielectric-slabs Place is instead of 50 ohm of rf load, and reflection layer segment below carries out any cutting according to sales counter shape, to meet The special size requirement of actual sales counter size, the type antenna is referred to as II type antennas.

Described multi-path antenna read write line can be using the general commercial style matched with fixed near field linear polarized antenna Hardware, type selecting can according to actual sales counter size and its distribution situation selection single channel, 2 passages, 4 passages, 8 passages, 16 passages and 32 channel units.

Described real time inventory work station contains computer and its management software, and controllable multi-route antenna read write line is right to realize It is placed in directly over the protective layer upper surface of antenna element to be highly that 10cm~60cm and investigative range are 50cm on the plane of reference The electronic tag of the optional position in the range of ╳ 50cm is written and read operation.

Described cloud network database server can use general commercial type electronic tag or New-type label.

Inventive antenna unit size is conventional tags antenna size more than 300 times, and can be applied to RFIDnt ultra-high frequency day The intelligent counter system of line, can be attached to the anti-dismounting of the papery of conventional low cost on article to being arbitrarily placed on intelligent sales counter The linear polarization near field antenna unit closely read and write of label and array solution, the program is not change routine Under conditions of the Antenna Design of label and conventional read write line, by a kind of new Antenna Design, to realize in cabinet article On-line monitoring, real time inventory and customer behavior analytic function.The antenna structure has easy for installation, easy extension, with roomy etc. good Good the characteristics of, disclosure satisfy that tag read-write equipment specifically near field antenna in the various radio-frequency application systems based on RFID Ask.

Brief description of the drawings

Fig. 1 is a kind of foldable snakelike load ultrahigh frequency electronic tag for jewelry product of one embodiment of the invention Schematic diagram.

Fig. 2 is that the foldable snakelike of one embodiment of the invention loads ultrahigh frequency electronic tag antenna under different loads Return loss plot.Wherein O-O does not cut situation, A-A, B-B, and C-C and corresponds respectively to Fig. 1 and marked corresponding to snakelike antenna part Three kinds diverse location cutting under return loss plot.

Fig. 3 is the top view of the fixed linear polarization near field antenna cellular construction of one embodiment of the invention.

Fig. 4 is the side view of the fixed linear polarization near field antenna cellular construction of one embodiment of the invention.

Fig. 5 is fixed linear polarization near field antenna cellular construction echo in free space for one embodiment of the invention Loss figure.

Fig. 6 is fixed linear polarization near field antenna unit different high apart from upper antenna surface for one embodiment of the invention The near field Electric Field Distribution feature of degree.

Fig. 7 is array structure schematic diagrames of 3 ╳ 1 that one embodiment of the invention is fixed linear polarization near field antenna unit.

Fig. 8 is the array structures of 3 ╳ 1 of the fixed linear polarization near field antenna unit of the embodiment of the present invention one apart from antenna The near field Electric Field Distribution feature of upper surface different height.

Fig. 9 is the actual test knot of the return loss of the fixed linear polarization near field antenna unit of the embodiment of the present invention two Really.

Figure 10 is the system construction drawing that one embodiment of the invention is intelligent sales counter, announcement multi-path antenna read write line, sales counter, Antenna element/array, the installation relation between label and article.

Figure 11 is other fixed linear polarization near fields of three kinds of specifications that the total height that the embodiment of the present invention four is described is 4 millimeters The structure chart (figure Plays unit is millimeter) of antenna element.

Specific embodiment

With reference to the accompanying drawings and examples, specific embodiment of the invention is described in further detail.Hereinafter implement Example is not limited to the scope of the present invention for illustrating the present invention.

Reference picture 10, is applied to the fixation under the intelligent sales counter system cabinet platform of the linear polarization near field antenna of gold and jewelry industry Formula near field linear polarized antenna (including I types and II types) is controlled, and realizes appended by the article to being placed on intelligent sales counter, bag The foldable snakelike load ultrahigh frequency electronic tag for being attached to every jewelry product is included, is arranged on below sales counter by array format Fixed near field linear polarized antenna；The multi-path antenna read write line of the formula that is connected near field linear polarized antenna；Read and write with multi-path antenna Device is connected real time inventory work station；Real time inventory work station is written and read control to the electronic tag that array is arranged on category, Monitored Item Information includes the affiliated shops of the article, the intelligent sales counter and its antenna position information of affiliated shops, if leave Whether sales counter, leaves the beginning and ending time of sales counter and is normally saled information and is stored in real time inventory work station；Real time inventory Work station can work independently in local DBMS, it is also possible to be cooperateed with cloud database management system.

In order to mitigate the access data volume to cloud database management system, described real time inventory work station is physically It is to connect the mid layer section between cloud network and this shops in shops, it is main to be responsible on each sales counter in this shops Antenna be controlled register and make an inventory work and response cloud network database service request.Its specific work process It is such：Needed jewelry article that is having hung up properly label in this shops safety cabinet and setting disk before shops does business daily According to being moved on sales counter in the time range appointed, (designated time, according to this shops actual conditions, is typically set at 30 points Clock, warning function will be started more than the time)；Antenna positioned at under-counter will be carried out to the article in the range of this antenna monitors First time reading process, and verify whether lost in article moving process (if lose will forecast lost objects RFID numbers The information such as list and its photo and weight), and relevant information is stored in locally and be uploaded to cloud database, and (needs are beyond the clouds Database is inquired about the item lists of this shops, and the table " current state " field property value from " in storehouse state " It is revised as " in cabinet state "), this is the preparation before shops opens the door；In sales process, for replacing items for merchandising position The new article put, work station will detect new RFID label tag number and be registered, and the said tag beyond the clouds corresponding Position (property value of " current state " field is revised as " in cabinet state " from " in storehouse state ").To real time inventory work station Speech, " current state " field value of article only has 3 kinds, i.e., " in storehouse ", " in cabinet " and "abnormal" state is moved in article from safety cabinet During to sales counter respectively experience " in storehouse ", "abnormal" and " in cabinet " three phases；If article is moved within the designated time Sales counter, by only the first two stage, i.e., current state is not revised as " in cabinet " from "abnormal" within the designated time in time will It is considered as object loss, warning device will be triggered and shops manager is notified.Real time inventory work station is completed for the first time to each Under sales counter after the reading of antenna, each antenna under the antenna read write line numbering and its read write line numbering to this shops is just completed The registration work of the tag number list under numbering, to working as the number of tags monitored under an antenna such as in reading process hereafter Fruit is not changed in no longer being further processed (be uploaded to cloud database), if detecting new tag number, will use During event triggers pattern to the list of associated databases under the insertion real time inventory work station of new tag number, and it is in current work Making the list of labels information that the antenna of state scans will be buffered in its multi-path antenna read write line internal memory.The algorithm is fully sharp The hardware store design generally used with current multi-path antenna read write line, i.e. each tag number are 32 bit bytes, are pressed In the case of every meter of 300 label densities, the number of tags of each antenna actual monitored is 150 or so, required storage Amount is only 5K bytes, much smaller than the internal memory of current multi-path antenna read write line.In a word, real time inventory work station is only needed to necessary data Uploading operation is just carried out, the access data volume of cloud network database is so significantly reduced, and, maximum uploads data volume Generation event is in the set-up procedure before this shops does business.When real time inventory work station is connected to the visit from cloud network database When asking request, the request of its specific service will be responded.For example, shops manager can by mobile phone terminal, hand-held set or Terminal is connected to cloud network Database Systems, can inquire the number of articles of all "abnormal" states of the shops, " in cabinet " number of articles and three contents of " monitor in real time " number of articles.The operation is actually cloud network database to local The once request that real time inventory work station sends, real time inventory work station will be counted simultaneously to the three of local data base contents Statistics is returned to high in the clouds and the result is shown.If it is desired to further check in the item lists in state " in cabinet ", to " The information such as a certain specific article and its place read write line numbering, antenna number or Item Information in cabinet " status list are looked into During inquiry, cloud database will occur further information inquiry request, real time inventory work station root to real time inventory work station again It is that main index key is inquired about local data base and Query Result is returned to high in the clouds by with RFID numberings according to the request Database Systems.Inquire antenna number and read write line where RFID is numbered by local data base to number, cloud database System instruction and real-time query further can also be sent to the place antenna number of read write line numbering with confirm its whether In sales counter.

The database and cloud network database of real time inventory work station include main to read write line and two, antenna hard The tables of data that part is described, wherein have " antenna read write line numbers (id) " to the primary fields that antenna read write line form is included, " network address (ip) ", " network port number " and " place shops number (id) ", and the primary fields that antenna form is included have " my god Line numbers (id) ", " antenna title ", " antenna sequence number ", " place sales counter numbering ", " place read write line numbers (id) " and " institute At read write line interface index (id) ".Due to for having been laid out the shops of antenna and antenna read write line, the table tables of data Data are constant, unless hardware layout changes.And the label coding list monitored to each antenna uses array knot Structure is stored in the internal memory of real time inventory work station, is easy to improve the renewal speed of read write line.

Due in shops all items quick binning phase by it is special enter library facilities by the relevant letter of item for sale In breath printing to RFID label tag, carry out carrying out it man-to-man data binding (type of items, RFID tags number, picture, weight Etc. information) and be uploaded to cloud database system, actually real time inventory work station only when reading first time to cloud network Database uploads the RFID label tag list and number " in cabinet state ", hereafter, only uploads the tag number of new addition sales counter；And The article of cashier sale is then to send request by the current state of label from " in cabinet " shape to network data base at cashier State is updated to " having sold " state, therefore is not belonging to the content of real time inventory SMT Station Management.Real time inventory work station is for being in The label of " in cabinet " state is monitored, if it leaves sales counter and fails to change its state within the designated time, will receive The computer interface ejection warning message of silver-colored platform is alarmed.

Because label and its affiliated jewelry article are provided by whole seller or its group, the whole seller that thus shops is subordinate to These information are carried out effective collect statistics by the sales information of each shops belonging to can in real time being understood by network data, can be dropped Stock-sales ratio of the low group to article.

Described electronic tag is included using foldable snakelike load ultrahigh frequency RFID electronic tag, RFID General RFID chip and label antenna；RFID chip include Imping m4D or Alien H3 chips, general-purpose chip Monza5, Monza4D and big memory chip Monza 4QT, the antenna of electronic tag passes through etching, coil winding, the screen printing of electrically conductive ink The method of brush or magnetron sputtering is made, and the size of antenna structure is 15mm ╳ 15mm, and the centre frequency of Antenna Operation exists 915MHz, return loss S₁₁=-22.76dB, standing-wave ratio be less than 2 (- 10dB) when bandwidth of operation for 100MHz (860~ 960MHz), relative bandwidth is 10.9%, and after normal sale, snakelike structure division is in cashier for described label antenna Cut, cause the resonance center frequeH of tag antenna structure to be offset to beyond 950MHz；

Described fixed near field antenna type belongs near field linear polarized antenna, and cellular construction is divided into the signal radiation on upper strata The signal reflex layer 2-2 of layer 2-5 and lower floor, intermediate layer is conductting layer 2-4, primarily to each radiating element in upper strata radiation areas Between provide signal electric linkage function；In order to realize the electric linkage function between above-mentioned each radiating element, it is necessary in conducting Add insulating barrier 2-3, insulating barrier 2-3 to use between floor 2-4 and number reflecting layer 2-2 and be contained within width for 2 millimeters, thickness are 10 micro- The I-shaped conducting channel FR4 medium composite plates of rice, play and the electrical connection of each unit of radiating layer and lower floor reflecting layer Electric insulation is acted on.Additionally, 5 points of the signal radiating layer on upper strata is four completely identical in structure polygon radiating elements, each Radiating element has four installation apertures again, three mounting holes of each radiating element upper end and the height in hole is threaded containing two ends Spend for the Universal connection post of 8.5cm is connected with reflecting layer 2-2, play electrical connection and fixation；And each radiating element Another mounting hole of the lower end of body is with contain two ends to be threaded the height in hole be the Universal connection post and I-shaped FR4 of 7.5cm Medium composite plate is connected, and plays electrical connection and fixation；The thickness of the dielectric layer of composite plate is 1.5 millimeters, and dielectric is normal Number is 4.4 single-side coated copper plate, and lying copper region field surface is by tin plating handling process.Similarly, FR4 media composite plate is also required to lead to Cross screw to be fixed with signal reflex layer 2-2 phases, additionally, the feeding classification of conductting layer 2-4 is using the four of coaxial pair radiating layer 2-5 Individual big radiating element timesharing feed, and the other end of coaxial line is connected with the sub-miniature A connector of radio frequency connector 2-6.Finally, it is Convenience transport and it is easy to the installation of the array structure that multiple fixed near field antennas are formed, single fixed near field antenna is sealed It is filled with forming protective layer into ABS plastic, protective layer size is 50cm ╳ 50cm ╳ 10cm.

Described fixed near field antenna belongs near field linear polarized antenna, and the frequency response characteristic of antenna single unit is： Work as S11<During -10dB, between 897MHz~936MHz, center resonant frequency is near 915MHz for frequency distribution；This day knot To center resonant frequency, the label of (890MHz~925MHz) near 915MHz has good read rate to structure；Work as label frequency Response frequency range be more than 925MHz, often increase 1MHz, S11 reduction 0.86dB, antenna performance is reduced rapidly；When frequency is less than 882MHz, often reduces 1MHz, and S11 reduction 0.12dB, antenna performance is reduced rapidly.The designing antenna is rolled over proposed by the present invention Folded snakelike load ultrahigh frequency electronic tag design is used in conjunction with each other, and can meet jewelry product label pre-sales, mid-sales and sells The difference to tag performance is required afterwards.In before sales, the article to being placed in sales counter needs real time inventory function；Selling Putting position is left to article and the data acquisition and monitoring of sales counter upper surface location is moved to, it is necessary to meet operator in journey Function, it is possible thereby to obtain the data such as whether monitoring article is customer's item of interest and whether the article is sold.Specifically Say, each single jewelry product is record within the daily business hours from cabinet number of times (n) and each in real time inventory work station Leave the time (t of sales counter_i), it is possible to the numerical computations of " customer's Interest Measure " of such goods categories out.For example, false If it is 10 minutes as threshold values (t to leave sales counter time (t) using article_c), then " customer's angle value interested " is St_i/t_c, wherein i= 1,2,…,n.If, by post sales at cashier, the article is in local and corresponding " the current shape of cloud database for the article State " will be updated to " having sold " state, can be that dealer and its affiliated wholesale seeks in shops with reference to the statistic analysis result of these data Business/group management person provides decision-making foundation, it is possible thereby to obtain will earlier know consumer's than any other similar company Behavior and whether welcome this competitive advantage of grade of the article；

Described fixed near field antenna belongs near field linear polarized antenna, and the performance of antenna can meet every meter of sales counter of making an inventory Under 300 density conditions of label, discharged according to regular traffic and to the putting position of label without particular/special requirement, in antenna outward appearance Without non-readable position in the 0~60cm height of size top, and different height can be adjusted by the input power of antenna Section, can successfully be read with reaching whole labels, and success rate of making an inventory 100% and every 1000 labels of speed of making an inventory are less than 3 seconds Deng requirement；In outer 10 cm distances of apparent size for deviateing antenna element, label is non-readable region.To reach above-mentioned wanting Ask, it is 50~60 cm heights, 15dB power outputs correspondence that 20dB power outputs correspond to label position apart from antenna reference face In label position apart from antenna reference face be 15~20 cm heights, and 10dB power outputs correspond to label position apart from day The line plane of reference is 10~15 cm heights.

Described fixed near field antenna unit can be various array structures with flexible expansion.

Described multi-path antenna read write line can be using the general commercial style hardware matched with fixed near field antenna, choosing Type can be according to actual sales counter size and its distribution situation selection single channel, 2 passages, 4 passages, 8 passages, 16 passages and 32 passages etc. Equipment, for example, Shenzhen Rong Rui companies models RR9201T, RR9202T, RR9203T and RR9207T etc., or Shenzhen Expway 32 paths rfid interrogators.

Embodiment one

As shown in figure 1, a kind of foldable snakelike load ultrahigh frequency RFID electronic tag of the present embodiment, the label is in Huang Increase electromagnetic information storage in gold jewelry industry on the basis of existing jewelry article tag standards (DIN 58681-1Bb.1-1981) Function, i.e., (not folding second substrate component 2 and can roll over RFID antenna structure using engraving method or silk-screen printing technique The second folded substrate component 3) folding the first base material part 1 is produced on, and tied up by RFID chip in the second substrate component 2 Locking equipment is fixed on chip tag on part 2, and it is to bond purposes in the later stage finally to apply double faced adhesive tape on the surface of part 1 again.In order to Convenient to quantify production, 1 point of the first base material part is white and grey substrate two parts, and in grey substrate part surrounding by cutting out White substrate part and antenna part affiliated thereon are only left after scissors.Second base material part is tag antenna structure, bag The part 3 of the support structures of main structure containing antenna (part 2) and main structure；Part 2 is electrically connected with part 3, and is fixed on One substrate component 1, is shown in the white substrate part of Fig. 1.As illustrated, smart-RFID jewelry labels of the present invention are by can Affixed component 2 is pasted onto on target object.The length of label is 6.5cm, and width is 2.6cm, and the thickness of the label is 0.1- 0.2mm, it is thin and light just.

The application of the label will be further illustrated by taking gold ring as an example below, i.e., the right part of part 3 is first passed through into ring And it is bonding with the location right of part 2, be bonded together for part 1 by the symmetric position further along the dotted line of part 1 so that containing mark The antenna main structural item (part 2) for signing chip is included in the inner space after folding of part 1, and the second substrate component 3 Ring seal space is formed by being adhesively fixed for part 1.For serpentine configuration, right-hand member is flake structure to the left end of part 3, therefore Part 3 will not receive paste position with the plan-position that the adhesive segment of part 1 is where thin slice, the electromagnetic performance of its whole antenna Influence；That is under complete (cutting) state of part 3, the resonance center of label antenna (containing part 2 and part 3) is frequently Rate is labeled as that O-O is shown in solid near 915MHz in its frequency response curve such as Fig. 2, now the gold ring containing the label Being placed on sales counter can be read by tag read-write equipment, and when the gold ring completes to sell in cashier, label antenna The part of part 3 will be cut, now a part of the label antenna only containing part 2 and part 3, the resonance center frequeH of its label 940MHz is offset out, cannot also be read by tag read-write equipment (Fig. 2).Tag antenna structure design can be by part 3 The size and its number of cycles of the signal period structure of the snakelike antenna of left end design to realize, it is also possible to by various irregular Snakelike antenna structure realize, to cause consider label antenna performance and applied environment to reach optimal Adapter Property. Part 3 is labeled as during other three chain-dotted lines of A-A, B-B, and C-C correspond respectively to Fig. 2 in Fig. 1 in A-A, B-B, and The electromagnetic property of the label antenna in the case of the cutting of C-C positions, wherein, A-A represents the left end serpentine configuration part of part 3 Length is only the 1/3 of the length of part 3, and B-B and C-C are respectively 1/2 and 2/3.The result shows the portion being connected with part 2 There is monotone decreasing relation in the length of the left end serpentine configuration part of part 3, i.e., with the skew of the resonance center frequeH of label antenna Length deviation frequency more long is smaller, and unrelated with the right-hand member structural plan sheet length of part 3.

Electronic label chip 4 is embedded with the first base material part 1 of described electronic tag, to destination object data (Object Data) is stored, and is connected to antenna structure (the Antenna Element, part 2 at the two ends of electronic chip 4 With part 3), for receiving the electromagnetic signal of outside and forming induced-current unit.The described generally applicable authenticating tag of electronic chip 4 RFID chip such as Imping m4D series or Alien H3 family chips.Electronic tag 1 as shown in Figure 1 is using general RFID chip type is two kinds of chips (part 4) of M4QT and H3, the centre frequency that label antenna works in part 3 in 915MHz, Return loss S₁₁=-22.76dB, bandwidth of operation when standing-wave ratio is less than 2 (- 10dB) is 100MHz (860~960MHz), relatively With a width of 10.9%.

The top view and side view of the fixed linear polarization near field antenna structure shown in Fig. 3 and Fig. 4.It is divided by function, The primary structure of antenna is divided into signal reflex layer 2 (size be 45cm ╳ 50cm) of the signal radiating layer 5 and lower floor on upper strata, and in Interbed is conductting layer 4, primarily to providing the electric linkage function of signal between each radiating element in upper strata radiation areas；Due to upper Layer and lower floor use thickness for 2 millimeters of aluminium sheet or other kinds of sheet metal, in order to realize above-mentioned each radiating element Between electric linkage function need between conductting layer 4 and reflecting layer 2 add insulating barrier 3, it is 1.5 millimeters that insulating barrier uses thickness I-shaped FR4 media composite plate, composite plate is contained within the I-shaped conducting channel that width is 2 millimeters and thickness is 10 microns, Play and acted on the electrical connection of each unit of radiating layer 5 and the electric insulation in lower floor reflecting layer.5 points of the signal radiating layer on upper strata It is four completely identical in structure polygon radiating elements (size is cut out for the square of length of side 14.5cm and removes 1.8cm ╳ 3.5cm) Composition, each radiating element has four installation apertures again, is threaded by three mounting holes of unit upper end and containing two ends The height in hole is connected for the Universal connection post of 8.5cm with reflecting layer 2, plays electrical connection and fixation；And each is radiated Another mounting hole of the lower end of cell cube be threaded containing two ends the height in hole for 7.5cm Universal connection post with it is I-shaped FR4 medium composite plates are connected, and play electrical connection and fixation；Similarly, FR4 media composite plate is also required to by screw Mutually fixed with lower plywood.Additionally, four big radiating elements point of the feeding classification of conductting layer 4 using coaxial pair radiating layer 5 When feed, and the other end of coaxial line and radio frequency connector 6 such as sub-miniature A connector are connected.Finally, transport for convenience and be easy to many The installation of the array structure that individual fixed near field antenna 2 is formed, to single fixed near field antenna 2 encapsulation injection ABS plastic institute Protective layer 1 is formed, the size of protective layer 1 is 50cm ╳ 50cm ╳ 10cm.

The frequency response characteristic simulation result of described fixed near field line polarized antenna elements is as shown in Figure 5.When S11<During -10dB, between 897MHz~936MHz, center resonant frequency is near 915MHz for frequency distribution.It is possible thereby to see Go out, the frequency response characteristic of antenna meets the requirements.

The near-field performance index of described fixed linear polarization near field antenna unit is by apart from antenna different height In-plane field is distributed to determine by force.First, the plane of reference on the basis of antenna protection layer upper surface is set up, and it is different above antenna Highly it is respectively provided with 5 reference planes；Wherein, apart from antenna reference plane of reference 10cm, remaining is with reference to flat for first reference planes Face is at intervals of 10cm, and the Electric Field Distribution that x direction of the antenna in different reference planes is calculated respectively is as shown in Figure 7.From figure The electric field coordinatograph of display can be seen that to the Electric Field Distribution in the x directions in different reference planes be all than more uniform and electric field Amplitude meets the linear polarization feature of antenna much larger than the electric field magnitude (about 10 times) in y directions.Additionally, the antenna is in given radiation The Electric Field Distribution of the different plane of references reduces with the increase of plane of reference height under power, but the uniformity of Electric Field Distribution is obtained Strengthen.It is possible thereby to it is accurate to tag reader to meet to put two parameters of height by the effectively power of control antenna and label The requirement of rate.

Described fixed linear polarization near field antenna and the difference of fixed circular polarisation near field antenna are the former to label There is specific requirement in the direction being placed on sales counter, and label of the latter then to arbitrarily putting can read.In the ideal case, line Both the x directions that polarization near field antenna requirement is placed in label on sales counter are parallel with the x directions of antenna, i.e., reference direction Angle is zero degree；Require that the angle should be ± 15 in practical operation^oBetween, and the pearl put on this angular range and sales counter Direction of the precious line of production just in face of user is consistent.Additionally, in the given output radiation power condition of multi-path antenna read write line Under, the radiation energy of linear polarization near field antenna is about as many as four times of radiation energy of fixed linear polarization near field antenna, and it is right to be more beneficial for The accuracy rate of tag reader.Two kinds of antenna types can be carried out to the label that 10~60cm of antenna plane size top highly puts Read-write, the label to being placed in the outer 5cm regions of antenna plane dimensioned perimeter can not be read and write.

The single unit of described fixed linear polarization near field antenna can be various array structures with flexible expansion.Fig. 7 institutes What is shown is 3 ╳ 1 array structure of the unit along x Directional Extensions, and feeding classification is using four big radiating elements of coaxial pair point When feed, antenna overall dimensions are an actual size of certain shops for install under 60cm ╳ 150cm sales counters three are fixed One embodiment of near field antenna unit, the radio frequency connector of wherein each unit institute band uses sub-miniature A connector, corresponds respectively to 1,2 and No. 3 feeding interface of SMA numberings.It is electric field point of the above-mentioned antenna array structure in x directions to the aerial array shown in Fig. 8 The HFSS simulation results of cloth are as shown in Figure 8.Similarly, the array structure of the antenna still conforms to the linear polarization feature of antenna and near Field feature, and the continuous scanning work mode of timesharing is used for three feeding interfaces distribution of the array structure, its linear polarization is special Near-field signature of seeking peace is better than the result of single unit；I.e. under the conditions of given radiant power is 30dB, the electricity of the different plane of references Field distribution reduces with the increase of plane of reference height, but the uniformity of Electric Field Distribution is strengthened.It is possible thereby to pass through to have The input power of effect control antenna puts two parameters of height to meet the requirement to tag reader accuracy rate with label.With tradition Linear polarization ceramic antenna is compared, and the antenna structure is noteworthy characterized by the reading success rate and label of label in antenna plane It is required that the position put is not can not read and write region, and the reading speed premium properties such as soon.

Described multi-path antenna read write line uses the common apparatus matched with fixed near field linear polarized antenna/array. One embodiment of the present of invention be from Shenzhen Expway 32 paths rfid interrogators to size be 60cm ╳ 150cm Sales counter tested, the equipment power output of each passage can be realized from the range of 20dB~30dB adjust.

Embodiment two

The present embodiment is the return loss to described fixed near field linear polarized antenna using vector network analyzer Test result is as shown in Figure 9.Described fixed near field linear polarized antenna can be to center resonant frequency near 915MHz The label of (897MHz~936MHz) has good read rate；When the response frequency range of label frequency is more than 925MHz, it is linear Can reduce rapidly often increases 1MHz, S11 reductions 0.86dB；Similarly, when frequency is less than 882MHz, 1MHz, S11 reductions are often reduced 0.12dB, antenna performance is reduced rapidly.The designing antenna and foldable snakelike load ultrahigh frequency electronic tag proposed by the present invention Design is used in conjunction with each other, and can meet jewelry product label pre-sales, and mid-sales and the difference after sale to tag performance are required. Before sales, the article to being placed in sales counter needs real time inventory function；, it is necessary to meet operator to article in sales process Leave putting position and move to data acquisition and the monitoring function of sales counter upper surface location, it is possible thereby to obtain monitoring article Whether it is customer's item of interest (from cabinet number of times/time) and the data the such as whether article is sold, to obtain than any other Whether similar company will earlier know the behavior of consumer and welcome this competitive advantage of grade of the article；If the monitoring thing Product are normally saled in cashier, and shop assistant needs to cut the affiliated label of the article, and the center of the label after cutting is frequently Rate is displaced between 940MHz~1150MHz, while needing to set up the customer relationship of oneself, the valuable number obtained using these According to, it is that stage timely provided auxiliary services the services such as such as product maintenance, maintenance after sale, brand loyalty so can be both improved, It is likely to increase income and profit.

Embodiment three

The present embodiment is fixed near field line polarized antenna set (Fig. 3, and Fig. 4) before radiation Rotating fields are not changed Putting can further derive other two kinds of specifications, and its size is respectively 48cm ╳ 50cm and 48cm ╳ 60cm；Thus can produce It is 6 kinds that raw combination can meet sizes sales counter to have altogether, such as 48cm ╳ 80cm, 48cm ╳ 90cm, 48cm ╳ 100cm, 48cm ╳ 110cm, 48cm ╳ 120cm, 48cm ╳ 130cm, 48cm ╳ 140cm, 48cm ╳ 150cm and 48cm ╳ 180cm.The combination knot Fruit can meet the installation requirements of current most of sales counter sizes.The antenna structure possesses the linear polarized antenna structure with single unit With identical electromagnetic performance, and can be formed therewith array structure, particular content will not be described here with embodiment one.

Four radiating elements of the above-mentioned linear polarized antenna unit comprising complete structure.If it is considered that non-standard sales counter pair The need for linear polarized antenna, four polygonal elements of aerial radiation layer 2-5 can further remove 1~3 therein, and The junction of its removal unit and FR4 dielectric-slabs is instead of 50 ohm of terminating resistor, and reflection layer segment below can be with Any cutting is carried out according to sales counter shape, to meet the special size requirement of actual sales counter size.The antenna structure possesses and original Antenna structure identical electromagnetic performance, and can be formed therewith array structure, particular content do not go to live in the household of one's in-laws on getting married herein with embodiment one State.

Example IV

The fixed near field line polarized antenna set of the present embodiment (Fig. 3 and Fig. 4) is not before radiation Rotating fields are changed Other specifications that can further derive height for 4 millimeters are put to meet in actual sales counter to height less than 10 centimetres Real time inventory demand, as shown in Figure 11.The height of conductting layer (2-4) can further be reduced to 0.5 millimeter of left side in the structure shown here The right side, i.e., by standardizing welding procedure so that reflecting layer (2-2) and radiating layer (2-5) are electrically connected, thus physical dimension in Fig. 3 Need to be revised as Figure 11 (a) institutes target size (unit is millimeter), the total height of the structure is 4 millimeters, including 1.5 mm of thickness FR4 composite plates and 2 millimeters after aluminium sheet.Similarly, the size of other two kinds of specifications is respectively 48cm ╳ 50cm and 48cm ╳ 60cm (see Figure 11 b and Figure 11 c), specific face inside dimension are as illustrated, unit is millimeter.The Antenna Construction Design master of the present embodiment The thickness for considering the supporting plate under the balance that common sales counter is used in gold and jewelry industry is 5~20 millimeters, in support Jewelry product (such as gold ring) above plate is typically secured in the goods of furniture for display rather than for use and balance of wood material outer wrapping face material, guard against The centre-height of finger is more than 7.5 centimetres with support plate upper surface distance；The present embodiment uses the total height and supporting plate of antenna Thickness quite, it is possible thereby to antenna structure is directly replaced supporting plate structure, to facilitate installation.

Described multi-path antenna read write line and fixed near field linear polarized antenna/array be arranged on real time inventory work station Computer management software cooperate, this is by the displaying article lower section installed in sales counter forming intelligent counter system System is applied to sales counter and monitors/make an inventory business.One embodiment of the present of invention is for the sales counter of 60cm ╳ 150cm is carried out to size Tool test case, its performance can meet makes an inventory under 300 density conditions of label of every meter of sales counter, can not according to regular traffic discharge Reading position, is being placed in jewelry product and its output work that the affiliated tag distances nature plane of reference is 15 cm heights on sales counter Rate is 20dB, and whole labels can successfully read, success rate of making an inventory 100%, and every 1000 labels of speed of making an inventory are less than 10 seconds； Deviate outer 10 cm distances of face inside dimension of antenna element, label is non-readable.Further to described actual antennas unit The performance test results be：It is 50~60 cm heights that 30dB power outputs correspond to label position apart from antenna reference face, It is 15~20 cm heights that 27dB power outputs correspond to label position apart from antenna reference face, and 20dB power outputs are correspondingly In label position apart from antenna reference face be 10~15 cm heights.

The hardware such as the described intelligent counter system containing fixed near field linear polarized antenna and actual physics sales counter and label Between structure composed it is as shown in Figure 10.The system includes several multi-path antenna signal pickers, each multi-path antenna signal Collector is connected with multiple physics sales counters, and each physics sales counter is mounted below fixed near field antenna and each antenna is used Several labels on article are attached in on-line monitoring.

Described real time inventory work station contains computer and its management software, and controllable multi-route antenna read write line is right to realize Antenna element height is placed in for the electronic tag in the range of 10cm~60cm is written and read operation.Can by the system Target service is smoothly completed, operation flow includes that storage takes a picture, weighs, setting up computer archives and preserve sales figure, and really Storage is protected to file success rate>99% and specific requirement of making an inventory sales counter be to allow once for 100,000 times every to the read rate of single label Misread, necessary read-write success rate and reliability are reached in operation flow.

Described real time inventory work station can be connected with cloud network database server, and the day that will be arranged in shops Linear system system data output, can use general commercial type electronic tag or New-type label.

Inventive antenna unit size is conventional tags antenna size more than 300 times.It is applied to RFIDnt ultra-high frequency antenna Intelligent counter system, structure have easy for installation, easy extension, with it is roomy etc. good the characteristics of, can reach for being placed in antenna Unit top 10cm~60cm miniature RFIDs antenna and meet the purpose of far distance automatic identification, can place it in completely In RFID label tag；The present invention also has simple simple structure, manufacturing process, low cost, omnidirectional radiation excellent performance and is easily integrated Deng outstanding advantages, specific requirement of the RFID application systems for label antenna is disclosure satisfy that.

Technological means disclosed in the present invention program is not limited only to the technological means disclosed in above-mentioned implementation method, also includes Constituted technical scheme is combined by above technical characteristic.

Claims

1. the intelligent counter system of the linear polarization near field antenna of gold and jewelry industry is applied to, it is characterised in that be applied to gold The intelligent counter system of the linear polarization near field antenna of jewellery sector, including it is attached to every foldable snakelike load of jewelry product Ultrahigh frequency electronic tag, the in the form of an array distributed fixed near field linear polarized antenna being installed on below sales counter；It is connected The multi-path antenna read write line of formula near field linear polarized antenna；Be connected real time inventory work station with multi-path antenna read write line；Real-time disk Point work station is controlled to the fixed near field antenna that array is arranged under sales counter, and realizes to being placed on intelligent sales counter Electronic tag affiliated by article is written and read control, and monitored Item Information is included the affiliated shops of the article, affiliated shops Intelligent sales counter and its antenna position information, if leave sales counter, leave the beginning and ending time of sales counter and whether be normally saled Information is simultaneously stored in real time inventory work station, and real time inventory work station can work independently in local DBMS, Can be cooperateed with cloud database management system；

Described fixed near field antenna unit can expand to various array structures, and fixed near field linear polarized antenna is in addition Two kinds of specifications are respectively 48cm × 50cm and 48cm × 60cm；Thus producible combination can meet sizes sales counter one It it is altogether 6 kinds, respectively：48cm × 80cm, 48cm × 90cm, 48cm × 100cm, 48cm × 110cm, 48cm × 120cm, 48cm × 130cm, 48cm × 140cm, 48cm × 150cm and 48cm × 180cm, because linear polarized antenna unit includes complete structure Four radiating elements, referred to as I types antenna, in order to meet under non-standard sales counter situation to linear polarized antenna the need for, antenna spoke The four polygonal elements removal for penetrating layer (2-5) is therein 1~3, and in its removal unit and the junction generation of FR4 dielectric-slabs For the rf load for 50 ohm, and reflection layer segment below carries out any cutting according to sales counter shape, to meet reality The special size requirement of sales counter size, the type antenna is referred to as II type antennas.

2. the intelligent counter system of the linear polarization near field antenna for being applied to gold and jewelry industry according to claim 1, its It is characterised by, described real time inventory work station is physically located in shops, is between connection cloud network and this shops Mid layer section, it is main to be responsible for being controlled the antenna on each sales counter in this shops register and make an inventory work and response cloud Hold the service request of network data base, the database and cloud network database of real time inventory work station include to read write line and The tables of data that two main hardwares of antenna are described, wherein having to the primary fields that antenna read write line form is included, " antenna is read Write device numbering (id) ", " network address (ip) ", " network port number " and " place shops numbers (id) ", and antenna form is included Primary fields have " antenna number (id) ", " antenna title ", " antenna sequence number ", " place sales counter numbering ", " place read write line Numbering (id) " and " place read write line interface index (id) ", the label coding list monitored to each antenna use array knot Structure is stored in the internal memory of real time inventory work station；Due in shops all items quick binning phase by it is special enter library facilities In printing for information about to the RFID label tag of item for sale, will carry out carrying out it man-to-man data to bind and being uploaded to cloud Client database system, actually real time inventory work station are only uploaded " in cabinet when reading first time to cloud network database The RFID label tag list of state " and number, hereafter, only upload the tag number of new addition sales counter；And in the article of cashier sale It is then to send request to network data base at cashier the current state of label is updated into " having sold " shape from " in cabinet " state State；Real time inventory work station is monitored for the label in " in cabinet " state, if it leaves sales counter and in the designated time Inside fail to change its state, then will be alarmed in the computer interface of cashier ejection warning message.

3. the intelligent counter system of the linear polarization near field antenna for being applied to gold and jewelry industry according to claim 1, its It is characterised by, using foldable snakelike load ultrahigh frequency RFID electronic tag, RFID is included described electronic tag There is general RFID chip and label antenna；RFID chip includes Imping m4D or Alien H3 chips, general-purpose chip Monza5, Monza4D and big memory chip Monza 4QT, the antenna of electronic tag pass through etching, coil winding, electrically conductive ink Silk-screen printing or the method for magnetron sputtering made, the size of antenna structure is 14.5mm × 14.5mm, Antenna Operation Centre frequency is in 915MHz, return loss S₁₁=-21.35dB, bandwidth of operation when standing-wave ratio is less than 2 (- 10dB) is 38MHz, Relative bandwidth is 10.6%, and described label antenna after normal sale, snakelike time in cashier cut, and is led by structure division The resonance center frequeH of tag antenna structure is caused to be offset to beyond 940MHz.

4. the intelligent counter system of the linear polarization near field antenna for being applied to gold and jewelry industry according to claim 1, its It is characterised by, described fixed near field antenna type belongs near field linear polarized antenna, and cellular construction is divided into the signal amplitude on upper strata Signal reflex layer (2-2) of layer (2-5) and lower floor is penetrated, intermediate layer is conductting layer (2-4), in conductting layer (2-4) and signal reflex Insulating barrier (2-3), insulating barrier (2-3) is added to use and be contained within width for work that 2 millimeters, thickness are 10 microns between layer (2-2) Font conducting channel FR4 medium composite plates, the signal radiating layer (2-5) on upper strata is divided into four completely identical in structure polygon knots Structure radiating element, each radiating element has four installation apertures again, three mounting holes of each radiating element upper end and contains two End is threaded the height in hole for the Universal connection post of 8.5cm is connected with reflecting layer 2-2, and the lower end of each radiating element body is another One mounting hole is with to contain two ends and be threaded the height in hole be the Universal connection post and I-shaped FR4 media composite plate of 7.5cm It is connected, FR4 medium composite plates are also required to mutually be fixed with signal reflex layer (2-2) by screw, the feed side of conductting layer (2-4) Formula is fed using four big radiating element timesharing of coaxial pair radiating layer (2-5), and the other end of coaxial line is connected with radio frequency The sub-miniature A connector of device (2-6) is connected, and protective layer is formed to single fixed near field antenna encapsulation injection ABS plastic.

5. the intelligent counter system of the linear polarization near field antenna for being applied to gold and jewelry industry according to claim 1, its It is characterised by, described fixed near field antenna belongs near field linear polarized antenna, the frequency response characteristic of antenna single unit is： Work as S11<During -10dB, between 897MHz~936MHz, center resonant frequency is near 915MHz for frequency distribution；When label frequently The response frequency range of rate is more than 925MHz, and antenna performance is reduced rapidly, i.e., often increase 1MHz, S11 reductions 0.09dB；Similarly, when Frequency is less than 882MHz, often reduces 1MHz, and S11 reduction 0.12dB, antenna performance is reduced rapidly.

6. the intelligent counter system of the linear polarization near field antenna for being applied to gold and jewelry industry according to claim 1, its Be characterised by, described fixed near field antenna belongs near field linear polarized antenna, 20dB power outputs correspond to label position away from It is 50~60 cm heights from antenna reference face, it is 15~20 that 15dB power outputs correspond to label position apart from antenna reference face Cm height, and it is 10~15 cm heights that 10dB power outputs correspond to label position apart from antenna reference face.

7. the intelligent counter system of the linear polarization near field antenna for being applied to gold and jewelry industry according to claim 1, its It is characterised by, described multi-path antenna read write line (3) is using the general commercialization matched with fixed near field linear polarized antenna Type hardware, type selecting according to actual sales counter size and its distribution situation selection single channel, 2 passages, 4 passages, 8 passages, 16 passages and 32 channel units.