CN102279920A - RFID label identifying device - Google Patents

RFID label identifying device Download PDF

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Publication number
CN102279920A
CN102279920A CN2011101629375A CN201110162937A CN102279920A CN 102279920 A CN102279920 A CN 102279920A CN 2011101629375 A CN2011101629375 A CN 2011101629375A CN 201110162937 A CN201110162937 A CN 201110162937A CN 102279920 A CN102279920 A CN 102279920A
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CN
China
Prior art keywords
recognition device
antenna assembly
rfid tag
position control
tag recognition
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2011101629375A
Other languages
Chinese (zh)
Inventor
金岐禄
朴一周
姜松
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LS Electric Co Ltd
Original Assignee
LS Industrial Systems Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LS Industrial Systems Co Ltd filed Critical LS Industrial Systems Co Ltd
Publication of CN102279920A publication Critical patent/CN102279920A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10297—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves arrangements for handling protocols designed for non-contact record carriers such as RFIDs NFCs, e.g. ISO/IEC 14443 and 18092
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10366—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the interrogation device being adapted for miscellaneous applications
    • G06K7/10415—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the interrogation device being adapted for miscellaneous applications the interrogation device being fixed in its position, such as an access control device for reading wireless access cards, or a wireless ATM
    • G06K7/10425—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the interrogation device being adapted for miscellaneous applications the interrogation device being fixed in its position, such as an access control device for reading wireless access cards, or a wireless ATM the interrogation device being arranged for interrogation of record carriers passing by the interrogation device
    • G06K7/10435—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the interrogation device being adapted for miscellaneous applications the interrogation device being fixed in its position, such as an access control device for reading wireless access cards, or a wireless ATM the interrogation device being arranged for interrogation of record carriers passing by the interrogation device the interrogation device being positioned close to a conveyor belt or the like on which moving record carriers are passing
    • G06K7/10445—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the interrogation device being adapted for miscellaneous applications the interrogation device being fixed in its position, such as an access control device for reading wireless access cards, or a wireless ATM the interrogation device being arranged for interrogation of record carriers passing by the interrogation device the interrogation device being positioned close to a conveyor belt or the like on which moving record carriers are passing the record carriers being fixed to further objects, e.g. RFIDs fixed to packages, luggage, mail-pieces or work-pieces transported on a conveyor belt

Abstract

The invention provides an RFID label identifying device applied for identifying an RFID label attached on a product. The RFID label identifying device comprises a base; a transfer unit equipped on the base and applied for transfer products having the RFID labels attached thereon; an antenna device equipped on the base and applied for identifying the RFID labels on the products transferred along the transfer unit. Therefore, when a product having an RFID label attached thereon passes by, the RFID label identifying device in the invention can automatically code and read the RFID label. Furthermore, whatever the product is made of, for example, the product is made of glass materials or has contents with a high dielectric constant, the RFID label identifying device can accurately code and read the RFID label.

Description

RFID tag recognition device
Technical field
The present invention relates to be used to discern the RFID tag recognition device of RFID label, relate in particular to the RFID tag recognition device that can be applied to automatic assembly line.
Background technology
Roughly, RFID (radio-frequency (RF) identification) is following a kind of technology: described technology can utilize radio frequency to discern or write down information by the RFID tag storage in untouchable mode, so that identification, follow the trail of and management is attached with the object or the people of label.This rfid system has unique identifying information and is configured to have the RFID label (label or transponder) that is attached on object or the animal and the RFID recognition device that is used for reading or writing down the identifying information that is included in the RFID label.
As the RFID recognition device of present use, portable RF ID reader is widely used.Portable RF ID reader can be moved to the position of expectation and come implementation, but has following defective: because implementation must be repeatedly attempted in the restriction of hardware performance, therefore caused the long working time.
In addition, can use fixed RFID reader as the RFID recognition device.In this fixed RFID reader, the product that is attached with the RFID label is positioned on the worktable and the top surface of worktable is provided with antenna with the coding of carrying out the RFID label with read.
Yet this fixed RFID reader has following problem: be difficult to set the identification range that is arranged on the antenna on the worktable.That is to say, have these problems:, may identify undesired product continually so if strengthen antenna output in order to strengthen recognition performance; If to reduce antenna output in order reducing, may to reduce the discrimination of the product on the worktable so for the identification of undesired product.
Summary of the invention
Embodiments of the invention aim to provide a kind of RFID tag recognition device, and it is installed on the transfer matic, if the product that is attached with the RFID label by the time, then described RFID tag recognition device is automatically carried out coding and is read.
In addition, the invention provides a kind of like this RFID tag recognition device: no matter why type product, no matter be the glass material or the product of the content with high-k promptly, described RFID tag recognition device can correctly automatically perform coding and read.
In an overall plan of the present invention, RFID tag recognition device comprises: antenna, and it is used to discern the RFID label that is attached on the product; And position changing section, described antenna is fixed on the described position changing section, thereby so that the position change of described antenna make described antenna can be aligned to relative with described RFID label.
Description of drawings
Fig. 1 is the stereographic map of RFID tag recognition device according to an embodiment of the invention.
Fig. 2 is the exploded perspective view of antenna assembly according to an embodiment of the invention.
Fig. 3 is the stereographic map that the mode of operation of antenna assembly according to an embodiment of the invention is shown.
Fig. 4 is the stereographic map of antenna assembly according to another embodiment of the invention.
Embodiment
From the following explanation of the embodiment of reference accompanying drawing, advantage of the present invention, feature and scheme will become obviously, hereinafter will explain embodiment.
Fig. 1 is the stereographic map of RFID tag recognition device according to an embodiment of the invention.
As shown in Figure 1, the RFID tag recognition device according to an embodiment comprises: base 10; Transfer unit 20, it is installed in the product 100 that is attached with RFID label 110 on the base 10 with transmission; And antenna assembly 30 and 40, antenna assembly is installed on the base 10 with the RFID label 110 of identification by the product of transfer unit 20 transmission.
Base 10 is made of the left side of the top plan that is arranged in main body 12 within a predetermined distance and a pair of base on the right side.In addition, on a side of base 10, be provided with control enclosure 50, control enclosure 50 is equipped with display 52 that is used for display working condition and a plurality of action buttons 54 of being operated by the user.
Transfer unit 20 is installed in the product that is attached with RFID label 110 on the base 10 with transmission.Transfer unit 20 can comprise, for example can transmit the belt conveyer of a plurality of products that are attached with RFID label 110 consistently.
Although transfer unit 20 is shown and is illustrated as belt conveyer in this embodiment of the present invention, transfer unit 20 also can be applied as any other transfer unit that can transmit the product that is attached with RFID label 110.
Antenna assembly 30 and 40 is installed on the base 10.Hereinafter, antenna assembly 30 and 40 is defined as first antenna assembly 30 and second antenna assembly 40 respectively, wherein encode with the RFID label 110 to the product that transmitted by transfer unit 20 in first antenna 30 front side that is arranged in transfer unit 20, and the rear side that second antenna 40 is arranged in transfer unit 20 is read with the RFID label 110 to the product that transmitted by transfer unit 20.
Herein, each in first antenna assembly 30 and second antenna assembly 40 all has a pair of antenna assembly on the both sides that are arranged in the product 100 that is attached with RFID label 110 relative to one another, thereby has improved the discrimination to the RFID label 110 of product 100.Main body 12 is equipped with a RFID reader 14 that is electrically connected to first antenna assembly 30 and the 2nd RFID reader 16 that is electrically connected to second antenna assembly 40.
Can from so a pair of first antenna assembly 30, automatically select any antenna assembly that has the good signal receiving sensitivity for the RFID label 110 that is attached on the product 100 by a RFID reader 14 or control enclosure 50.
Similarly, can from a pair of second antenna assembly 40, automatically select any antenna assembly that has the good signal receiving sensitivity for the RFID label 110 that is attached on the product 100 by the 2nd RFID reader 16 or control enclosure 50.
The product 100 that the front side that first sensor 70 is arranged on first antenna assembly 30 on the base 10 is transmitted by transfer unit 20 with sensing, connect a RFID reader 14 then, and second sensor 72 is arranged on the product 100 that the front side of second antenna assembly 40 on the base 10 transmitted by transfer unit 20 with sensing, connects the 2nd RFID reader 16 then.
First antenna assembly 30 and second antenna assembly 40 have identical construction, and in first and second antenna assemblies 30 and 40 each includes: antenna 42, and it is used to discern the RFID label 110 that is attached on the product 100; With the aerial position control module, it is connected to antenna 42 to control the height of RFID label 110 and antenna 42 by the position of control antenna 42.
Because antenna 42 adopts near field antenna, it has shown narrow identification range in RFID label 110.Because, therefore can keep receiving sensitivity good because narrow identified region makes near field antenna can avoid a plurality of interference between antennas influenced by the material of product 100 simultaneously (be glass material or have high dielectric constant materials) in the RFID label.
The aerial position control module comprises position control bar 34 that is connected to antenna 42 and the bar back up pad 32 that is used for the position of control position control lever 34.
Bar back up pad 32 has supported hole 36, and position control bar 34 is inserted in the supported hole 36.In addition, on the both sides of supported hole 36, be formed with bolt-inserting hole (perhaps fastener hole), bolt is inserted in the described bolt-inserting hole so that fixed component 44 is fixed on the back up pad.
Herein, be formed on supported hole 36 on the bar back up pad 32 and can form and have all kinds, such as the slit type that forms on direction of elongate, the slit type of Xing Chenging is round in the horizontal, and ellipse.
Position control bar 34 is inserted in the supported hole 36, and a termination of position control bar 34 is bonded to installing plate 38 and is used for supporting the antenna 42 and the other end to be inserted into fixed component 44.Herein, thus installing plate 38 preferably make by shielding the metal material that electromagnetic wave that RFID prevents from antenna 42 to produce leaks.
As another embodiment, position control bar 34 can form by this way: the position control bar is the flexible state with the maintenance self-deformation, makes an end of position control bar be supported on the bar back up pad 32.
Fixed component 44 has first fixed orifice 48 and second fixed orifice 46, and position control bar 34 is inserted in first fixed orifice 48, and second fixed orifice 46 carries out bolted with back up pad 32.In the part corresponding to first fixed orifice 48 of fixed component 44, be equipped with and be used for that under position control lever 34 is inserted into state in first fixed orifice 48 position control bar 34 is supported in the supporting hole of first fixed orifice 48 and be fastened to supporting bolt 80 in the described supporting hole.
Consider the operation of this antenna assembly, thus make position control bar 34 move forward or backward on the direction of arrow B can control antenna 42 and product between distance.After this control of position control lever 34 is finished, fastening bolt 80 is carried out fasteningly just position control bar 34 to be fixed on the fixed component 44.
By making position control bar 34 on the direction of arrow A, make progress, move down, can control the height of antenna 42.Make progress, control downwards if finished this of position control bar 34, fixed component 44 is fixed on the back up pad 32 so that can keep this controlled height so.
Because can control the position of antenna according to kind, so can improve significantly being attached to the discrimination of the RFID label 110 on the product 100 according to antenna assembly of the present invention along the product 100 of transfer unit transmission.
Push piece device 60 and discharge reservoir 66 and be arranged on the rear side of transfer unit 20, if in product 100, taken place the coding of RFID label 110 unusual or read unusual, push piece device 60 and discharge reservoir 66 product 100 is discharged to the outside then.
Push piece device 60 is configured to have: cylinder 62, and it is fixed on the base 10, so that control lever 68 forward/backward move; And push pedal 64, it is installed on the end of control lever 68 to promote product.Herein, can operate cylinder 62 according to the signal that applies by control reservoir 50.
The part relative with push piece device 60 of base 10 is provided with discharges reservoir 66 to collect the defective product that is promoted by push piece device 60.
As shown in Figure 4, guide plate 90 can be set falls between first antenna assembly 30 and second antenna 40 to prevent product.
The operation of RFID tag recognition device according to an embodiment of the invention hereinafter will be described.
If transfer unit 20 will be attached with the product 100 of RFID label 110 and be passed to the position that arrives first sensor 70, then 70 pairs of products of first sensor 100 carry out sensing so that sensing signal is transmitted to control enclosure 50 or directly sends a RFID reader 14 to so that a RFID is switched on.
Then, first antenna assembly 30 is operated.At this moment, selecting the arbitrary antenna that has a good reception sensitivity for RFID label 110 automatically from a pair of first antenna encodes with the RFID label 110 to product 100.
If be moved further the position that product 100 arrives second sensor 72, then 72 pairs of products of second sensor 100 carry out sensing so that sensing signal is transmitted to control enclosure 50 or directly sends the 2nd RFID reader 16 to so that the 2nd RFID reader 16 is switched on.
Then, from a pair of second antenna, select automatically for RFID label 110 and have arbitrary antenna of good reception sensitivity to read the RFID label 110 of product 100.
Information by first antenna assembly 30 and second antenna assembly 40 coding and the RFID label 110 read is displayed on the display 52 of control enclosure 50.
If first antenna assembly 30 and second antenna assembly 40 have caused that the coding of RFID label is unusual and read unusual, then control enclosure 50 sends to push piece device 60 with abnormal signal, and therefore the cylinder 62 of push piece device 60 is operated so that can be pushed into defective reservoir 66 with being defined as defective product 100, collected in the discharge reservoir 66 thereby will be defined as defective product 100.
Therefore herein, because the antenna 42 of first antenna assembly 30 and second antenna assembly 40 is to use in the mode of near field antenna, can encodes and read and no matter which kind of material product is the RFID label.In addition, consider its feature, because near field antenna has narrow identification range, so near field antenna can not be subjected to screening effect and the overall dimensions can be less.In addition, because by using near field antenna to handle automatically and reliably, so can enlarge the field of use to the product of various materials.
In addition, because can control the position of antenna as mentioned above, can improve being attached to the discrimination of the RFID label on the product.
Though described the present invention, it is evident that: can make various changes and modification therein not departing from as under by the situation of the spirit and scope of the present invention that following claim limited for those of ordinary skills with reference to specific embodiment.

Claims (15)

1. RFID tag recognition device that is used to discern the RFID label that is attached on the product, described RFID tag recognition device comprises:
Antenna assembly, it is used to discern the described RFID label that is attached on the described product; With
The aerial position control module, it is used to control the position of described antenna assembly so that described antenna assembly can move to relative with described RFID label.
2. RFID tag recognition device according to claim 1 further comprises:
Base, described aerial position control module is fixed on the described base; With
Transfer unit is used to transmit the described product that is attached with described RFID label.
3. RFID tag recognition device according to claim 1 further comprises sensor, and described sensor carries out sensing so that described antenna assembly is operated to described product.
4. RFID tag recognition device according to claim 1, wherein, described antenna assembly comprises near field antenna.
5. RFID tag recognition device according to claim 1, wherein, described aerial position control module comprises:
The position control bar, it is connected to described antenna assembly;
The bar back up pad, it is formed with the position control hole of the position that is used to control described position control bar; And
Fixed component, it is used for fixing described position control bar.
6. RFID tag recognition device according to claim 5, wherein, described position control bar is engaged to the antenna installing plate that is used for fixing described antenna assembly, and described antenna installing plate comprises metal material.
7. RFID tag recognition device according to claim 5, wherein, described bar back up pad has the slit shape supported hole of the height that is used to control described position control bar and is arranged in fastener hole on the both sides of described supported hole;
Described fixed component be formed with first fixed orifice and with corresponding second fixed orifice of described fastener hole, described position control bar is inserted in described first fixed orifice; And
Described fixed component uses trip bolt to be fixed on the described bar back up pad.
8. RFID tag recognition device according to claim 7, wherein, described supported hole is formed on the short transverse of described product.
9. RFID tag recognition device according to claim 7, wherein, described fixed component has the supporting hole that the support of forming is inserted into the described position control bar in described first fixed orifice; And be used to support the trip bolt of described position control bar via described supporting hole combination.
10. RFID tag recognition device according to claim 1, wherein, described aerial position control module comprises flexible position control bar that is connected to described antenna assembly and free bend and the fixed component that is used for fixing described flexible position control bar.
11. RFID tag recognition device according to claim 1 further comprises control enclosure, described control enclosure is equipped with display that is used for display working condition and a plurality of action buttons of being operated by the user.
12. RFID tag recognition device according to claim 2 further comprises: the push piece device, it is installed on the described transfer unit, and the product that is used for the RFID label is had the coding defective or reads defective is discharged to the outside; With the discharge reservoir, it is used to collect faulty goods.
13. RFID tag recognition device according to claim 1, wherein, described antenna assembly is included in a pair of first antenna assembly of arranging relative to one another on the both sides of described product and a pair of second antenna assembly of arranging relative to one another on the both sides of described product.
14. RFID tag recognition device according to claim 9, wherein, described first antenna assembly is connected to a RFID reader and described second antenna assembly is connected to the 2nd RFID reader.
15. RFID tag recognition device according to claim 13 further comprises the ways that is connected between described first antenna assembly and described second antenna assembly.
CN2011101629375A 2010-06-10 2011-06-10 RFID label identifying device Pending CN102279920A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2010-0055075 2010-06-10
KR1020100055075A KR101093344B1 (en) 2010-06-10 2010-06-10 Radio-frequency identification tag reading equipment

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CN102279920A true CN102279920A (en) 2011-12-14

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113919379A (en) * 2021-09-21 2022-01-11 浙江华眼视觉科技有限公司 Batch rfid tag data erasing equipment

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201041826Y (en) * 2007-04-03 2008-03-26 威海北洋电气集团股份有限公司 Control device for RFID reader and writer antenna output field
CN102456118A (en) * 2010-10-19 2012-05-16 上海商格信息科技有限公司 Radio-frequency identification (RFID) tag reader-writer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201041826Y (en) * 2007-04-03 2008-03-26 威海北洋电气集团股份有限公司 Control device for RFID reader and writer antenna output field
CN102456118A (en) * 2010-10-19 2012-05-16 上海商格信息科技有限公司 Radio-frequency identification (RFID) tag reader-writer

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Application publication date: 20111214