CN103164672B - Radio frequency recognition volume label hives off system - Google Patents
Radio frequency recognition volume label hives off system Download PDFInfo
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- CN103164672B CN103164672B CN201110417201.8A CN201110417201A CN103164672B CN 103164672 B CN103164672 B CN 103164672B CN 201110417201 A CN201110417201 A CN 201110417201A CN 103164672 B CN103164672 B CN 103164672B
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Abstract
A kind of radio frequency recognition volume label hives off system, and be applicable to the environment with the spaced gateway in multiple left and right, each gateway can pass through for the multiple article being respectively arranged with multiple RFID tag.Radio frequency recognition volume label hive off system comprise to be arranged on the left of intended gateway and pass towards right side to collect mail number main dextrad antenna, be arranged on to pass on the right side of intended gateway and towards left side to collect mail number main left-hand antenna, be arranged at the auxiliary dextrad antenna sets, reading unit and the processor that to pass on the right side of main left-hand antenna and towards right side and to collect mail number.Reader utilizes the main right side, left-hand antenna and auxiliary dextrad antenna sets reading rfid tags.The radio frequency recognition volume label that processor utilizes the main right side, left-hand antenna and auxiliary dextrad antenna sets to read according to reading unit, judges which RFID tag is target group comprise.
Description
Technical field
The invention relates to that one is hived off system, refer to that a kind of radio frequency recognition volume label hives off system especially.
Background technology
With reference to figure 1, the environment that commercially available radio frequency recognition volume label (RFID) reading system comprises single gateway for one mostly designs, if therefore this kind of reading system is applied to one when comprising the environment of multiple gateway, the antenna 12 being arranged at a gateway 11 not only can read in by the RFID tag 13 on the article of this gateway 11, also likely also can read in part by the radio frequency recognition volume label 13 ' on the article of contiguous gateway 11 ', so the RFID tag that this antenna 12 reads can not directly be taken as all be included in a group relevant to this gateway 11, that is directly can not be taken as and belong to same group.
Which RFID tag is comprised in order to the RFID tag that can read from this antenna 12 obtains the group relevant to this gateway 11, namely correctly hive off, known method comprises: (1) this antenna 12 adopts oriented antenna coated dorsad, to avoid reading by the radio frequency recognition volume label on the article of contiguous gateway dorsad, and the RFID tag that this antenna 12 reads is used as all is included in the group relevant to this gateway 11; (2) strengthen the spacing of two neighboring gateways, to avoid this antenna 12 to read by the radio frequency recognition volume label on the article of contiguous gateway, and the RFID tag that this antenna 12 reads is used as all is included in the group relevant to this gateway 11; (3) between two neighboring gateways, install wave shield wall additional, to avoid this antenna 12 to read by the radio frequency recognition volume label on the article of contiguous gateway, and the RFID tag that this antenna 12 reads is used as all is included in the group relevant to this gateway 11; And the signal power (can affect to the distance between RFID tag by this antenna 12) of radio frequency recognition volume label that (4) read according to this antenna 12 judges wherein which RFID tag is included in the group relevant with this gateway 11.
But method (1) cannot avoid this antenna 12 to read by the RFID tag on the article of the contiguous gateway of forward; Method (2) and (3) are then only applicable to the larger environment in space, and this antenna 12 also cannot be avoided completely to read by the RFID tag on the article of contiguous gateway; And in method (4), can because by multiple article of this gateway 11 each other storehouse the factor such as to cover, the signal that RFID tag 13 on these article is given off meets with decay in various degree, the strong and weak distance differed surely between this antenna 12 and RFID tag of correct response of signal of the radio frequency recognition volume label causing this antenna 12 to read.Therefore, these methods all cannot obtain reliable grouping result.
Summary of the invention
Therefore, the object of this invention is to provide a kind of radio frequency recognition volume label that can solve foregoing problem to hive off system.
So radio frequency recognition volume label of the present invention system of hiving off is applicable to have the environment of the spaced gateway in multiple left and right, and each gateway can pass through for the multiple article being respectively arranged with multiple RFID tag.This radio frequency recognition volume label system of hiving off comprises main dextrad antenna, main left-hand antenna, auxiliary dextrad antenna sets, reading unit and processor.
This main dextrad antenna is arranged on the left side of this intended gateway, and passes the collection of letters number towards the right side of position.
This main left-hand antenna is arranged on the right side of this intended gateway, and passes the collection of letters number towards the left side of position.
This auxiliary dextrad antenna sets is positioned at the right side of this main left-hand antenna, and passes the collection of letters number towards the right side of position.
This reading unit is electrically connected to this main dextrad antenna, this main left-hand antenna and this auxiliary dextrad antenna sets, and utilizes this main dextrad antenna, this main left-hand antenna and this auxiliary dextrad antenna sets to read described multiple RFID tag.
This processor is electrically connected to this reading unit, and according to described multiple RFID tag that this reading unit utilizes this main dextrad antenna, this main left-hand antenna and this auxiliary dextrad antenna sets to read, judge which RFID tag is the target group relevant to this intended gateway comprise.
Another object of the present invention is to provide a kind of radio frequency recognition volume label that can solve foregoing problem and hives off system.
So radio frequency recognition volume label of the present invention system of hiving off is applicable to have from left to right spaced first to the environment of N gateway, N >=2, and each gateway can pass through for the multiple article being respectively arranged with multiple RFID tag.This radio frequency recognition volume label system of hiving off comprises first to N dextrad antenna, first to N-1 left-hand antenna, sheet metal, reading unit and processor.
This i-th dextrad antenna is arranged on the left side of this i-th gateway, and passes the collection of letters number, i=1 towards the right side of position ..., N.
This jth left-hand antenna is arranged on the right side of this jth gateway, and passes the collection of letters number, j=1 towards the left side of position ..., N-1.
This sheet metal is arranged on the right side of this N gateway.
This reading unit is electrically connected to described multiple dextrad antenna and described multiple left-hand antenna, and utilizes described multiple dextrad antenna and described multiple left-hand antenna to read described multiple RFID tag.
This processor is electrically connected to this reading unit, and according to described multiple RFID tag that this reading unit utilizes described multiple dextrad antenna and described multiple left-hand antenna to read, judge first respectively to comprise which RFID tag to multiple groups that N-1 gateway is relevant to this respectively, and from described multiple RFID tag that this N dextrad antenna reads, delete the part identical with the described multiple RFID tag included by described multiple group, to obtain the described multiple RFID tag included by the group relevant to this N gateway.
Effect of the present invention is: by relative position and the directive property configuration of described multiple antenna, even if the described multiple antenna being arranged at arbitrary gateway both sides can read in the RFID tag by contiguous gateway, also can get rid of these RFID tag, and reliable grouping result is provided.
Accompanying drawing explanation
Fig. 1 is schematic diagram, illustrates that known radio frequency recognition volume label reading system is arranged at the environment of multiple gateway;
Fig. 2 is schematic diagram, illustrates that hive off the first preferred embodiment of system of radio frequency recognition volume label of the present invention is arranged at the environment of multiple gateway;
Fig. 3 is schematic diagram, and a kind of configuration mode of multiple antenna of this first preferred embodiment and the environment of this multiple gateway is described;
Fig. 4 is schematic diagram, and the another kind of configuration mode of multiple antenna of this first preferred embodiment and the environment of this multiple gateway is described; And
Fig. 5 is schematic diagram, illustrates that hive off the second preferred embodiment of system of radio frequency recognition volume label of the present invention is arranged at the environment of this multiple gateway.
Embodiment
Aforementioned and other technology contents, feature and effect for the present invention, in the detailed description of two preferred embodiments of following cooperation accompanying drawing, can clearly present.
Before the present invention is described in detail, it should be noted that in the following description content, similar assembly represents with identical numbering.
Consult Fig. 2, hive off the first preferred embodiment of system of radio frequency recognition volume label of the present invention is applicable to have the spaced environment of first to N gateway 1-1 ~ 1-N from left to right, N >=2, and each gateway 1-1 ~ 1-N can pass through for the multiple article being respectively arranged with multiple RFID tag 7.This radio frequency recognition volume label system of hiving off comprises first to N dextrad antenna 2-1 ~ 2-N, first to N-1 left-hand antenna 3-1 ~ 3-(N-1), sheet metal 4, reading unit 5 and processor 6.
This reading unit 5 is electrically connected to described multiple dextrad antenna 2-1 ~ 2-N and described multiple left-hand antenna 3-1 ~ 3-(N-1), and utilizes described multiple dextrad antenna 2-1 ~ 2-N and described multiple left-hand antenna 3-1 ~ 3-(N-1) to read described multiple RFID tag 7.
This i-th (i=1, N) dextrad antenna 2-i is arranged on the left side of this i-th gateway 1-i, and pass the collection of letters number towards the right side of position, so described multiple article section by this i-th gateway 1-i or whole RFID tag 7 not only can be read through this i-th dextrad antenna 2-i, the RFID tag 7 of the part of the described multiple article by gateway on the right side of position may be read in addition, such as, when N=4, described multiple article section by this first gateway 1-1 or whole RFID tag 7 not only can be read through this first dextrad antenna 2-1, may read by this second gateway 1-2 in addition, the RFID tag 7 of the part of described multiple article of the 3rd gateway 1-3 and the 4th gateway 1-4, described multiple article section by this second gateway 1-2 or whole RFID tag 7 not only can be read through this second dextrad antenna 2-2, the RFID tag 7 of the part of the described multiple article by the 3rd gateway 1-3 and the 4th gateway 1-4 may be read in addition, described multiple article section by the 3rd gateway 1-3 or whole RFID tag 7 not only can be read through the 3rd dextrad antenna 2-3, the RFID tag 7 of the part of the described multiple article by the 4th gateway 1-4 may be read in addition.
This jth (j=1, N-1) left-hand antenna 3-j is arranged on the right side of jth gateway 1-j, and pass the collection of letters number towards the left side of position, so described multiple article section by jth gateway 1-j or whole described multiple RFID tag 7 not only can be read through this jth left-hand antenna 3-j, the RFID tag 7 of the part of the described multiple article by gateway on the left of position may be read in addition, such as, when N=4, described multiple article section by the 3rd gateway 1-3 or whole RFID tag 7 not only can be read through the 3rd left-hand antenna 3-3, the RFID tag 7 of the part of the described multiple article by this second gateway 1-2 and the first gateway 1-1 may be read in addition, described multiple article section by this second gateway 1-2 or whole RFID tag 7 not only can be read through this second left-hand antenna 3-2, the RFID tag 7 of the part of the described multiple article by this first gateway 1-1 may be read in addition.
Both sides due to jth gateway 1-j arrange jth dextrad antenna 2-j and jth left-hand antenna 3-j respectively, so this reading unit 5 can utilize this jth dextrad and left-hand antenna 2-j, 3-j to read the described multiple RFID tag 7 by described multiple article of this jth gateway 1-j from about two relative angles, avoid because the mutual storehouse of described multiple article covers and cause the problem of multiple RFID tag 7 described in skip.
This sheet metal 4 is arranged on the right side of N gateway 1-N, make the electromagnetic wave being arranged on the dextrad propagation that this N dextrad antenna 2-N on the left of this N gateway 1-N launches can be reflected by this sheet metal 4 and transfer the electromagnetic wave of left-hand propagation to, read by the function of described multiple identification labels 7 of described multiple article of this N gateway 1-N so this N dextrad antenna 2 being arranged on this N gateway 1-N has from left and right two relative direction, therefore the mutual storehouse of described multiple article can be avoided to cover and cause the problem of multiple RFID tag 7 described in skip, but the problem of the described multiple RFID tag 7 reading contiguous gateway also may be produced because of the setting of this sheet metal 4.
This processor 6 is electrically connected to this reading unit 5, and according to described multiple RFID tag 7 that this reading unit 5 utilizes described multiple dextrad antenna 2-1 ~ 2-N and described multiple left-hand antenna 3-1 ~ 3-(N-1) to read, judge first respectively to comprise which RFID tag 7 to multiple groups that N-1 gateway 1-1 ~ 1-(N-1) is relevant to this respectively.
Consult Fig. 3, for example, when this processor 6(is shown in Fig. 2) select the first gateway 1-1 as intended gateway 1 ', during to judge which RFID tag 7 is the target group relevant to this intended gateway 1 ' comprise, described multiple be arranged at these intended gateway 1 ' both sides respectively the first dextrad antenna 2-1 and the first left-hand antenna 3-1 can be considered as main dextrad antenna 2 ' and main left-hand antenna 3 ' respectively, the described multiple dextrad antennas being positioned at the right side of this main left-hand antenna 3 ' position are then considered as auxiliary dextrad antenna sets R jointly, such as, when N=4, this auxiliary dextrad antenna sets R comprises second to the 4th dextrad antenna 2-2 ~ 2-4.
This processor 6(is shown in Fig. 2) be the part of deleting repetition from the described multiple RFID tag 7 utilizing this main dextrad antenna 2 ' and main left-hand antenna 3 ' to read, and delete the part identical with the described multiple RFID tag 7 utilizing this auxiliary dextrad antenna sets R to read, in order to get rid of described multiple RFID tag 7 of the contiguous gateway read, and obtain the described multiple RFID tag 7 included by this target group relevant to this intended gateway 1 '.
Consult Fig. 4, when this processor 6(is shown in Fig. 2) selected between first and N gateway 1-1, arbitrary gateway (such as the 3rd gateway 1-3) between 1-N is as this intended gateway 1 ', and when judging which RFID tag 7 is the target group relevant to this intended gateway 1 ' comprise, described multiple be arranged at these intended gateway 1 ' both sides respectively the 3rd dextrad antenna 2-3 and the 3rd left-hand antenna 3-3 can be considered as main dextrad antenna 2 ' and main left-hand antenna 3 ' respectively, the described multiple dextrad antennas 2 being positioned at the right side of this main left-hand antenna 3 ' position are then considered as auxiliary dextrad antenna sets R jointly, and 3, the described multiple left-hand antennas being positioned at the left side of this main dextrad antenna 2 ' position are considered as auxiliary left-hand antenna sets L jointly, such as, when N=4, this auxiliary dextrad antenna sets R comprises the 4th dextrad antenna 2-4, this auxiliary left-hand antenna sets L comprises second, first left-hand antenna 3-2, 3-1.
This processor 6(is shown in Fig. 2) be the part of deleting repetition from the described multiple RFID tag 7 utilizing this main dextrad antenna 2 ' and main left-hand antenna 3 ' to read, and delete the part identical with the described multiple RFID tag 7 utilizing this auxiliary dextrad antenna sets R and this auxiliary left-hand antenna sets L to read, described multiple RFID tag 7 of the described multiple gateway be close in order to the right side and left side of getting rid of reading respectively, and obtain the described multiple RFID tag 7 included by this target group relevant to this intended gateway 1 '.
This processor 6(is shown in Fig. 2) can judge first respectively to comprise which RFID tag 7 to multiple groups that N-1 gateway 1-1 ~ 1-(N-1) is relevant to this respectively based on above-mentioned method, so then only the part identical with the described multiple RFID tag 7 included by described multiple group need be deleted from described multiple RFID tag 7 that N dextrad antenna 2-N reads, to get rid of described multiple RFID tag 7 of described multiple gateway of the vicinity read, to obtain the described multiple RFID tag 7 included by the group relevant to this N gateway 1-N.
It should be noted that above-mentioned grouping result can for obtaining further information, such as: which article each gateway 1-1 ~ 1-N has pass through, or each gateway 1-1 ~ 1-N has how many article to pass through.
Consult Fig. 5, hive off the second preferred embodiment of system of radio frequency recognition volume label of the present invention is similar to this first preferred embodiment, and difference is: this sheet metal 4(that (1) this second preferred embodiment replaces this first preferred embodiment with a N left-hand antenna 3-N is shown in Fig. 2); And this processor 6 of (2) this second preferred embodiment to judge that this group relevant to this N gateway 1-N comprises method which radio frequency knows label 7 be take this processor 6 in this first preferred embodiment to judge and this group that this first gateway 1-1 is correlated with comprises the method which radio frequency knows label 7.
In sum, by the configuration mode of this main dextrad antenna 2 ' and this main left-hand antenna 3 ', and to arrange in pairs or groups the configuration mode of sheet metal 4 by this dextrad antenna 2-N being arranged on this N gateway 1-N, just can reduce the problem of described multiple RFID tag 7 of this intended gateway 1 ' of skip, and coordinate this auxiliary dextrad antenna sets R, or coordinate this auxiliary dextrad antenna sets R and this auxiliary left-hand antenna sets L jointly to judge and delete the described multiple RFID tag 7 of contiguous gateway read, just can provide reliable grouping result, therefore really can reach object of the present invention.
Recited abovely be only preferred embodiment of the present invention, and scope of the invention process can not be limited with this, namely every simple equivalence done according to the present patent application the scope of the claims and invention description content changes and amendment, all still belongs to the scope that patent of the present invention contains.
Component symbol illustrates:
11 gateways
11 ' gateway
12 antennas
13 RFID tag
13 ' RFID tag
1-1 ~ 1-N gateway
2-1 ~ 2-N dextrad antenna
2 ' main dextrad antenna
3-1 ~ 3-N left-hand antenna
3 ' main left-hand antenna
4 sheet metals
5 reading units
6 processors
7 RFID tag
R dextrad auxiliary antenna group
L left-hand auxiliary antenna group
Claims (4)
1. radio frequency recognition volume label hives off a system, and be applicable to the environment with the spaced gateway in multiple left and right, each gateway can pass through for the multiple article being respectively arranged with multiple RFID tag, and this system of hiving off comprises:
Main dextrad antenna, is arranged on the left side of the intended gateway in described multiple gateway, and passes the collection of letters number towards the right side of position;
Main left-hand antenna, is arranged on the right side of this intended gateway, and passes the collection of letters number towards the left side of position;
Auxiliary dextrad antenna sets, is positioned on the right side of this main left-hand antenna, and passes the collection of letters number towards the right side of position;
Reading unit, is electrically connected to this main dextrad antenna, this main left-hand antenna and this auxiliary dextrad antenna sets, and utilizes this main dextrad antenna, this main left-hand antenna and this auxiliary dextrad antenna sets to read described multiple RFID tag; And
Processor, be electrically connected to this reading unit, and according to described multiple RFID tag that this reading unit utilizes this main dextrad antenna, this main left-hand antenna and this auxiliary dextrad antenna sets to read, judge which RFID tag is the target group relevant to this intended gateway comprise
Wherein, this processor is the part of deleting repetition from the described multiple RFID tag utilizing this main dextrad antenna and this main left-hand antenna to read, and delete the part identical with the described multiple RFID tag utilizing this auxiliary dextrad antenna sets to read, in order to get rid of described multiple RFID tag of the contiguous gateway read, to obtain the described multiple RFID tag included by this target group.
2. radio frequency recognition volume label according to claim 1 hives off system, also comprises:
Auxiliary left-hand antenna sets, is positioned at the left side of this main dextrad antenna position, and passes the collection of letters number towards left side;
This reading unit is also electrically connected to this auxiliary left-hand antenna sets, and utilizes this auxiliary left-hand antenna sets to read described multiple RFID tag;
This processor also according to described multiple radio frequency recognition volume label that this reading unit utilizes this auxiliary left-hand antenna sets to read, judges which RFID tag is this target group comprise.
3. radio frequency recognition volume label according to claim 2 hives off system, wherein, this processor is the part of deleting repetition from the described multiple RFID tag utilizing this main dextrad antenna and this main left-hand antenna to read, and delete the part identical with the described multiple RFID tag utilizing this auxiliary dextrad antenna sets and this auxiliary left-hand antenna sets to read, to obtain the described multiple RFID tag included by this target group.
4. a radio frequency recognition volume label hives off system, be applicable to have from left to right spaced first to the environment of N gateway, N >=2, each gateway can pass through for the multiple article being respectively arranged with multiple RFID tag, and this radio frequency recognition volume label system of hiving off comprises:
First to N dextrad antenna, and this i-th dextrad antenna is arranged on the left side of this i-th gateway, and passes the collection of letters number, i=1 towards the right side of position ..., N;
First to N-1 left-hand antenna, and this jth left-hand antenna is arranged on the right side of this jth gateway, and passes the collection of letters number, j=1 towards the left side of position ..., N-1;
Sheet metal, is arranged on the right side of this N gateway;
Reading unit, is electrically connected to described multiple dextrad antenna and described multiple left-hand antenna, and utilizes described multiple dextrad antenna and described multiple left-hand antenna to read described multiple RFID tag; And
Processor, be electrically connected to this reading unit, and according to described multiple RFID tag that this reading unit utilizes described multiple dextrad antenna and described multiple left-hand antenna to read, judge first respectively to comprise which RFID tag to multiple groups that N-1 gateway is relevant to this respectively, and from described multiple RFID tag that this N dextrad antenna reads, delete the part identical with the described multiple RFID tag included by described multiple group, to obtain the described multiple RFID tag included by the group relevant to this N gateway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110417201.8A CN103164672B (en) | 2011-12-14 | 2011-12-14 | Radio frequency recognition volume label hives off system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110417201.8A CN103164672B (en) | 2011-12-14 | 2011-12-14 | Radio frequency recognition volume label hives off system |
Publications (2)
| Publication Number | Publication Date |
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| CN103164672A CN103164672A (en) | 2013-06-19 |
| CN103164672B true CN103164672B (en) | 2016-02-03 |
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| CN201110417201.8A Expired - Fee Related CN103164672B (en) | 2011-12-14 | 2011-12-14 | Radio frequency recognition volume label hives off system |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1755704A (en) * | 2004-09-30 | 2006-04-05 | 富士通株式会社 | Read/write device and rfid system |
| WO2006082560A1 (en) * | 2005-02-07 | 2006-08-10 | Nxp B.V. | Rfid system, gate arrangement with rfid system and method of detecting transponders |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008072226A (en) * | 2006-09-12 | 2008-03-27 | Fujitsu Ltd | Rf tag reader and method |
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2011
- 2011-12-14 CN CN201110417201.8A patent/CN103164672B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1755704A (en) * | 2004-09-30 | 2006-04-05 | 富士通株式会社 | Read/write device and rfid system |
| WO2006082560A1 (en) * | 2005-02-07 | 2006-08-10 | Nxp B.V. | Rfid system, gate arrangement with rfid system and method of detecting transponders |
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| CN103164672A (en) | 2013-06-19 |
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