CN110111041A - A kind of method and product warehousing and ex-warehouse method improving batch passive RFID tags discrimination - Google Patents
A kind of method and product warehousing and ex-warehouse method improving batch passive RFID tags discrimination Download PDFInfo
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- CN110111041A CN110111041A CN201910333603.6A CN201910333603A CN110111041A CN 110111041 A CN110111041 A CN 110111041A CN 201910333603 A CN201910333603 A CN 201910333603A CN 110111041 A CN110111041 A CN 110111041A
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- 238000004321 preservation Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 3
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- 238000010586 diagram Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
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- 238000012850 discrimination method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- G—PHYSICS
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- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
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- G06Q10/00—Administration; Management
- G06Q10/08—Logistics, e.g. warehousing, loading or distribution; Inventory or stock management
- G06Q10/087—Inventory or stock management, e.g. order filling, procurement or balancing against orders
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Abstract
A kind of method and product warehousing and ex-warehouse method improving batch passive RFID tags discrimination, (1) arranges that mutiple antennas, mutiple antennas form induction region in the distance passed through in the distance that batch passive RFID tags are passed through；(2) batch passive RFID tags pass through induction region when, mutiple antennas is simultaneously scanned batch passive RFID tags, and the FRID label information scanned is recorded；(3) antenna is repeatedly scanned batch passive RFID tags, until batch passive RFID tags leave induction region, constantly carries out cumulative record to reading data in the process and deletes duplicate keys.Batch passive RFID tags discrimination reaches 100%.
Description
Technical field
The present invention relates to logistics field, especially a kind of method for improving batch passive RFID tags discrimination and product go out
Storage method.
Background technique
RFID technique time of occurrence is shorter, is technically not highly developed.It is interfered with each other between multipath effect, label
Factor make the label of certain specific positions fail to get sufficiently large signal energy from reader antenna activate itself into
Row feedback, so as to cause " label skip " phenomenon.Under static environment-identification, the relative position of label and antenna is not change
Become, causes " the position dead angle " of label skip to always exist, certain labels for being deployed in these dead zones fail always
It is effectively recognized.Therefore, the skip of label is generally existing.From principle, the method for reducing skip has 2 kinds, one
It is to increase reader antenna, enhances aerial signal energy；The second is changing the position of label, it is strong to change the signal that label receives
Degree, increases the probability being activated.Since passive RFID electronic label is the activating pulse signal for relying on antenna transmitting, Wu Fazhu
It is dynamic to send electromagnetic wave, and RFID electronic label has the characteristics that retroreflective properties, so that it may go out when carrying out batch identification
Existing identification error, discrimination are unable to reach 100%.
In addition, the discrimination of bulk article RFID electronic label influences the efficiency of product warehousing and ex-warehouse, it is existing due to using single
Antenna identification, once there is the appearance of label skip situation, needs again to the electronic tag of this batch of product so discrimination is not high
It is identified, seriously affects the efficiency of product warehousing and ex-warehouse.
Summary of the invention
The first technical problem to be solved by the present invention is to provide a kind of side for improving batch passive RFID tags discrimination
Method, batch passive RFID tags discrimination reach 100%.
The second technical problem to be solved by the present invention is to provide product warehousing and ex-warehouse method, can be to batch passive RFID tags
Discrimination reaches 100%, improves the efficiency of product warehousing and ex-warehouse.
One of to solve above-mentioned technical problem, the technical scheme is that a kind of raising batch passive RFID tags are known
The not method of rate,
(1) arrange that mutiple antennas, mutiple antennas are formed in the distance passed through in the distance that batch passive RFID tags are passed through
Induction region；
(2) batch passive RFID tags pass through induction region when, mutiple antennas is simultaneously scanned batch passive RFID tags,
And the FRID label information scanned is recorded；
(3) antenna is repeatedly scanned batch passive RFID tags, until batch passive RFID tags leave induction region, mistake
Cumulative record constantly is carried out to reading data in journey and deletes duplicate keys.
The present invention utilizes the induction region of mutiple antennas composition, can know to the RFID label tag of different angle in batch
Not, discrimination is improved；In addition, in identification process, RFID label tag is always in movement, after moving a distance, RFID label tag with
The relative position of antenna changes, and when antenna reads again RFID label tag, may know the RFID label tag that do not read before
Not, and then discrimination is improved；Finally, system records by Multiple-Scan and reject repeated data, make batch passive RFID tags
Reach 100%.
As an improvement, the antenna concentrates on forming antenna induction door on portal support, batch passive RFID tags are passed through
Distance pass through the antenna induction door.
As an improvement, being located at the top and two sides of portal support at least provided with three antennas on the portal support.
As an improvement, in moving process, when reader scans to first RFID label tag, then it is assumed that scanning process is opened
Begin, the RFID tag data that reader central processing unit reads each round merges record and deleting duplicated data；Work as RFID
Label is moved to except the scanning range of reader, i.e., reader cannot read any one label, then it is assumed that motion scan knot
Beam；Every one wheel of scanning changes a label record, according to the ID uniqueness of RFID label tag, it is ensured that read in the process
RFID label tag is fully recorded, and finally returns to the total number of RFID label tag.
As an improvement, the quantity of batch passive RFID tags be F, from enter induction region to leave experienced altogether n wheel
Read, it is f that every wheel, which reads label data amount, and it is m(m1=0 that each round label data, which repeats amount), the non-duplicate label read altogether
Quantity is G；。
To solve above-mentioned technical problem two, the technical scheme is that a kind of method of product warehousing and ex-warehouse,
(1) passive RFID tags for recording its information are sticked on product；
(2) bulk article is put in storage out by conveyer belt；
(3) arrange that mutiple antennas, mutiple antennas are formed in the distance passed through in the distance that batch passive RFID tags are passed through
Induction region；
(4) batch passive RFID tags pass through induction region when, mutiple antennas is simultaneously scanned batch passive RFID tags,
And the FRID label information scanned is recorded；
(5) antenna is repeatedly scanned batch passive RFID tags, until batch passive RFID tags leave induction region, mistake
Cumulative record constantly is carried out to reading data in journey and deletes duplicate keys, this batch read is gone out to be put in storage the RFID label tag of product
Information preservation.
The present invention is identified by the passive RFID tags to bulk article on the move, and discrimination reaches
100%, it can be improved the efficiency of product warehousing and ex-warehouse.
The beneficial effect of the invention compared with the existing technology is:
The present invention utilizes the induction region of mutiple antennas composition, can identify to the RFID label tag of different angle in batch,
Improve discrimination；In addition, in identification process, RFID label tag is always in movement, moving process, the phase of RFID label tag and antenna
It constantly changes to position, when antenna reads again RFID label tag, the RFID label tag that do not read before may be identified, into
And improve discrimination；Finally, system records by Multiple-Scan and reject repeated data, reach batch passive RFID tags
100%.It is identified, and discrimination reaches 100%, be can be improved by the passive RFID tags to bulk article on the move
The efficiency of product warehousing and ex-warehouse.
Detailed description of the invention
Fig. 1 is antenna induction door schematic diagram.
Fig. 2 is batch RFJD tag recognition schematic diagram.
Fig. 3 is batch RFID tag identification method flow chart.
Specific embodiment
The invention is further explained in the following combination with the attached drawings of the specification.
As shown in Figures 1 to 3, a method of improving batch passive RFID tags discrimination, comprising the following steps:
(1) mutiple antennas 1, the shape in the distance passed through of mutiple antennas 1 are arranged in the distance that batch passive RFID tags 4 are passed through
At induction region 5；
(2) batch passive RFID tags 4 pass through induction region when, mutiple antennas 2 simultaneously sweeps batch passive RFID tags 4
It retouches, and 4 information of RFID label tag scanned is recorded；
(3) antenna more than 2 times batch passive RFID tags 4 are scanned, until batch passive RFID tags 4 leave induction region
5, cumulative record constantly is carried out to reading data in the process and deletes duplicate keys.
As shown in Figure 1, Radio Frequency Identification Technology of the present invention includes RFID reader 1, feeder line, antenna 2, the day
Line 2 concentrates on forming antenna induction door on portal support 3, and the distance that batch passive RFID tags are passed through passes through the antenna induction
Door.It has at least three antennas on the portal support altogether, is located at the top and two sides of portal support, RFID reader is logical
It crosses feeder line to connect with antenna, control and receives aerial signal.Under mobile environment-identification, since label and the opposite of antenna move
It is dynamic, so that the environmental factor of multipath effect, label interference changes always, it is dead that skip constant always can be effectively reduced
Angle.Multiple angles are covered by way of this motion scan, while using multiple azimuth anteenas, label can be effectively reduced
Skip rate.
In moving process, when reader scans to first RFID label tag, then it is assumed that scanning process starts, in reader
The RFID tag data that central processor reads each round merges record and deleting duplicated data；It is read when RFID label tag is moved to
Except the scanning range for reading device, i.e., reader cannot read any one label, then it is assumed that motion scan terminates；Every one wheel of scanning
A label record is changed, according to the ID uniqueness of RFID label tag, it is ensured that the RFID label tag read in the process is complete
Portion records, and finally returns to the total number of RFID label tag.
The quantity of batch passive RFID tags be F, from enter induction region to leave experienced altogether n wheel read, every wheel
Reading label data amount is f, and it is m(m1=0 that each round label data, which repeats amount), the non-duplicate number of labels read altogether is G；。
The present invention utilizes the induction region of mutiple antennas composition, can know to the RFID label tag of different angle in batch
Not, discrimination is improved；In addition, in identification process, RFID label tag is always in movement, moving process, RFID label tag and antenna
Relative position constantly change, when antenna reads again RFID label tag, the RFID label tag that do not read before may be known
Not, and then discrimination is improved；Finally, system records by Multiple-Scan and reject repeated data, discrimination is further increased.
It is tested through experiment, the mode of exclusive use increase antenna or label movement reads the reading of batch passive RFID tags
Rate average out to 81.38%, but mode of the invention is used, the read rate average out to 99.99% of batch passive RFID tags is repeatedly surveyed
Data are tried up to 100%.According to experiment results, significant effect of the present invention has extensively the operation mode of common pipeline system
General applicability.
Using batch passive RFID tags identification technology of the present invention, going out in storage registration for product can be applicable to, it is such as a kind of
The method of product warehousing and ex-warehouse, comprising the following steps:
(1) passive RFID tags for recording its information are sticked on product；
(2) bulk article is put in storage out by conveyer belt；
(3) arrange that mutiple antennas, mutiple antennas are formed in the distance passed through in the distance that batch passive RFID tags are passed through
Induction region；
(4) batch passive RFID tags pass through induction region when, mutiple antennas is simultaneously scanned batch passive RFID tags,
And the FRID label information scanned is recorded；
(5) antenna is repeatedly scanned batch passive RFID tags, until batch passive RFID tags leave induction region, mistake
Cumulative record constantly is carried out to reading data in journey and deletes duplicate keys, this batch read is gone out to be put in storage the RFID label tag of product
Information preservation.
The present invention is identified by the passive RFID tags to bulk article on the move, and discrimination reaches
100%, it can be improved the efficiency of product warehousing and ex-warehouse.
Claims (10)
1. a kind of method for improving batch passive RFID tags discrimination, it is characterised in that:
(1) arrange that mutiple antennas, mutiple antennas are formed in the distance passed through in the distance that batch passive RFID tags are passed through
Induction region；
(2) batch passive RFID tags pass through induction region when, mutiple antennas is simultaneously scanned batch passive RFID tags,
And the FRID label information scanned is recorded；
(3) antenna is repeatedly scanned batch passive RFID tags, until batch passive RFID tags leave induction region, mistake
Cumulative record constantly is carried out to reading data in journey and deletes duplicate keys.
2. a kind of method for improving batch passive RFID tags discrimination according to claim 1, it is characterised in that: described
Antenna concentrates on forming antenna induction door on portal support, and the distance that batch passive RFID tags are passed through passes through the antenna induction
Door.
3. a kind of method for improving batch passive RFID tags discrimination according to claim 2, it is characterised in that: described
At least provided with three antennas on portal support, it is located at the top and two sides of portal support.
4. a kind of method for improving batch passive RFID tags discrimination according to claim 1, it is characterised in that: moving
During dynamic, when reader scans to first RFID label tag, then it is assumed that scanning process starts, and reader central processing unit will be every
The RFID tag data that one wheel is read merges record and deleting duplicated data；When RFID label tag is moved to the scanning model of reader
Except enclosing, i.e., reader cannot read any one label, then it is assumed that motion scan terminates；Every one wheel of scanning i.e. one deutero-albumose of change
Label record, according to the ID uniqueness of RFID label tag, it is ensured that the RFID label tag read in the process is fully recorded, most
The total number of RFID label tag is returned afterwards.
5. a kind of method for improving batch passive RFID tags discrimination according to claim 1, it is characterised in that: batch
The quantity of passive RFID tags is F, experienced n wheel altogether from induction region is entered and reads to leaving, every wheel reading label data amount
For f, it is m(m1=0 that each round label data, which repeats amount), the non-duplicate number of labels read altogether is G；。
6. a kind of method of product warehousing and ex-warehouse, it is characterised in that:
(1) passive RFID tags for recording its information are sticked on product；
(2) bulk article is put in storage out by conveyer belt；
(3) arrange that mutiple antennas, mutiple antennas are formed in the distance passed through in the distance that batch passive RFID tags are passed through
Induction region；
(4) batch passive RFID tags pass through induction region when, mutiple antennas is simultaneously scanned batch passive RFID tags,
And the FRID label information scanned is recorded；
(5) antenna is repeatedly scanned batch passive RFID tags, until batch passive RFID tags leave induction region, mistake
Cumulative record constantly is carried out to reading data in journey and deletes duplicate keys, this batch read is gone out to be put in storage the RFID label tag of product
Information preservation.
7. a kind of method of product warehousing and ex-warehouse according to claim 6, it is characterised in that: the antenna concentrates on gate-type branch
Antenna induction door is formed on frame, the distance that batch passive RFID tags are passed through passes through the antenna induction door.
8. a kind of method of product warehousing and ex-warehouse according to claim 7, it is characterised in that: at least set on the portal support
There are three antennas, are located at the top and two sides of portal support.
9. a kind of method of product warehousing and ex-warehouse according to claim 6, it is characterised in that: in moving process, work as reading
Device is scanned to first RFID label tag, then it is assumed that scanning process starts, and reader central processing unit reads each round
RFID tag data merges record and deleting duplicated data；When RFID label tag is moved to except the scanning range of reader, that is, read
Any one label cannot be read by reading device, then it is assumed that motion scan terminates；Every one wheel of scanning changes a label record, according to
The ID uniqueness of RFID label tag, it is ensured that the RFID label tag read in the process is fully recorded, and finally returns to RFID
The total number of label.
10. a kind of method of product warehousing and ex-warehouse according to claim 6, it is characterised in that: batch passive RFID tags
Quantity is F, experienced n wheel altogether from induction region is entered and reads to leaving, it is f, each round mark that every wheel, which reads label data amount,
Label Data duplication amount is m(m1=0), the non-duplicate number of labels read altogether is G；。
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111178811A (en) * | 2019-12-31 | 2020-05-19 | 中国民用航空总局第二研究所 | Intelligent system for material sample warehouse entry and exit |
| CN111814929A (en) * | 2020-06-16 | 2020-10-23 | 上海中通吉网络技术有限公司 | Radio frequency scanning channel machine |
| CN113962234A (en) * | 2021-10-21 | 2022-01-21 | 广东电网有限责任公司江门供电局 | Automatic identification code scanning device and method for electric energy metering device |
| CN114091487A (en) * | 2021-10-21 | 2022-02-25 | 国网湖北省电力有限公司营销服务中心(计量中心) | RFID electronic tag identification method and device in complex environment |
| CN114936568A (en) * | 2022-07-25 | 2022-08-23 | 浙江大学 | Hotel linen management method and system based on RFID through channel machine |
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Application publication date: 20190809 |