CN109389194A - Electronic tag positioning device and localization method based on RFID - Google Patents
Electronic tag positioning device and localization method based on RFID Download PDFInfo
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- CN109389194A CN109389194A CN201811533182.3A CN201811533182A CN109389194A CN 109389194 A CN109389194 A CN 109389194A CN 201811533182 A CN201811533182 A CN 201811533182A CN 109389194 A CN109389194 A CN 109389194A
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000004807 localization Effects 0.000 title claims abstract description 19
- 230000004913 activation Effects 0.000 claims abstract description 19
- 230000003213 activating effect Effects 0.000 claims abstract description 4
- 238000004590 computer program Methods 0.000 claims description 12
- 230000015654 memory Effects 0.000 claims description 11
- 238000003860 storage Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 2
- 230000005055 memory storage Effects 0.000 claims description 2
- 230000005284 excitation Effects 0.000 claims 1
- 238000004806 packaging method and process Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
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- 206010057855 Hypotelorism of orbit Diseases 0.000 description 1
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- 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
- G06K17/0022—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 arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
- G06K17/0029—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 arrangements or provisious for transferring data to distant stations, e.g. from a sensing device the arrangement being specially adapted for wireless interrogation of grouped or bundled articles tagged with wireless record carriers
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Engineering & Computer Science (AREA)
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Abstract
The present invention provides a kind of electronic tag positioning device and localization method based on RFID, comprising: at least two antennas, equidistantly distributed and central point are respectively positioned in first straight line；At least two electronic tags, are distributed in the different location of second straight line, and the second straight line is parallel with the first straight line；Any one electronic tag is in the read range of at least one antenna；Reading device is respectively connected with at least two antenna；Control device, it is connected with the reading device, for activating each antenna respectively based on the reading device, it obtains the label information and strength information of electronic tag collected when each antenna activation, and the corresponding label information of each electronic tag at least two electronic tag is determined based on the strength information.Of the invention electronic tag positioning device and localization method based on RFID can read the label information and location information of multiple electronic tags based on a read-write equipment, improve the positioning accuracy of electronic tag.
Description
Technical field
The present invention relates to the technical fields of radio frequency identification (Radio Frequency Identification, RFID), special
It is not to be related to a kind of electronic tag positioning device and localization method based on RFID.
Background technique
RFID is also known as radio frequency identification, is a kind of communication technology, and specific objective can be identified by radio signals and is read
Related data is write, without establishing mechanical or optical contact between identifying system and specific objective.
One RFID system includes following component:
(1) transponder
By antenna, in general coupling element and chip composition are all to use label as transponder, each label has only
One electronic code, is attached on object and identifies target object.
(2) reader
By antenna, coupling element, chip is formed, and the equipment for reading (can also be written sometimes) label information may be designed as
Hand-held RFID read-write device or fixed type reader-writer.
(3) application software system
The data of collection are further processed by application layer software, and are used by people.
The basic functional principle of RFID is as follows: after the tag enters the magnetic field, the radiofrequency signal that reader issues is received, by sense
Electric current energy obtained is answered to send out product information stored in the chip (passive label or passive tag), or by label
The signal (Active Tag, active label or active tag) of a certain frequency of active transmission, after reader reads information and decodes,
It send to Central Information System and carries out related data processing.Therefore, the RFID system of complete set includes at least reader, electronics mark
Label and application software system.
In the prior art, the electronic tag reading apparatus based on RFID usually requires to be read out multiple electronic tags.
On intelligence manufacture, product production line etc. under application scenarios, need to electronic tag information and position be acquired, so as to
Carry out corresponding operation judgement.However, if the position Relatively centralized of electronic tag, such as it is other apart from portion in decimetre, Centimeter Level
When affixing one's name to multiple electronic tags, due to hypotelorism, cause between electronic tag exist interfere with each other.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of electronic tags based on RFID
Positioning device and localization method can read the label information and location information of multiple electronic tags based on a read-write equipment,
Improve the positioning accuracy of electronic tag.
In order to achieve the above objects and other related objects, the present invention provides a kind of electronic tag positioning dress based on RFID
It sets, comprising: at least two antennas, equidistantly distributed and central point are respectively positioned in first straight line；At least two electronic tags, distribution
In the different location of second straight line, the second straight line is parallel with the first straight line；Any one electronic tag is at least one
In the read range of a antenna；Reading device is respectively connected with at least two antenna；Control device is filled with the reading
It sets connected, for activating each antenna respectively based on the reading device, obtains electronics mark collected when each antenna activation
The label information and strength information of label, and each electronics mark at least two electronic tag is determined based on the strength information
Sign corresponding label information.
In one embodiment of the invention, the working frequency of the electronic tag and the reading device is 13.56M hertz.
In one embodiment of the invention, the reading device distinguishes phase by radio frequency feed line at least two antenna
Even.
In one embodiment of the invention, the control device emits high frequency to an antenna by controlling the reading device
Pumping signal activates the antenna.
In one embodiment of the invention, the size of at least two antenna, structure and unit for electrical property parameters are all the same.
In one embodiment of the invention, the horizontal distance of any two electronic tag and the same antenna is all different.
The present invention provides a kind of localization method of electronic tag positioning device according to above-mentioned based on RFID, is applied to control
In device processed, comprising the following steps:
Control reading device single only activates an antenna at least two antennas；
When the antenna activation, the label information and intensity letter of the read electronic tag of the reading device are obtained
Breath；
After each antenna activation at least two antenna, according to each antenna at a distance from electronic tag
Information and the strength information establish the corresponding relationship of the antenna and electronic tag, are believed with the label of the determination electronic tag
Breath.
Accordingly, the present invention provides a kind of positioning system of above-mentioned electronic tag positioning device based on RFID, application
In control device, including active module, acquisition module and relating module；
The active module is used to control reading device single and only activates an antenna at least two antennas；
The acquisition module is used for when the antenna activation, obtains the mark of the read electronic tag of the reading device
Sign information and strength information；
The relating module is used for after each antenna activation at least two antenna, according to each day
The range information and the strength information of line and electronic tag establish the corresponding relationship of the antenna and electronic tag, to determine
State the label information of electronic tag.
The present invention provides a kind of control device, comprising: processor and memory；
The memory is for storing computer program；
The processor is used to execute the computer program of the memory storage, so that control device execution is above-mentioned
The electronic tag positioning device based on RFID localization method.
Finally, the present invention provides a kind of storage medium, it is stored thereon with computer program, the computer program is processed
Device realizes the localization method of the above-mentioned electronic tag positioning device based on RFID when executing.
As described above, the electronic tag positioning device and localization method of the present invention based on RFID, has with following
Beneficial effect:
(1) label information and location information that multiple electronic tags can be read based on a read-write equipment, improve electricity
The positioning accuracy of subtab；
(2) product/material for carrying RFID electronic label can be positioned, to realize the automation of product information
Precise acquisition；
(3) it to the product/material for carrying RFID electronic label, without removing outer packaging, can be detected and packaging orientation
Internal product is applied.
Detailed description of the invention
Fig. 1 is shown as the structural schematic diagram of electronic tag positioning device in an embodiment of the invention based on RFID；
Fig. 2 is shown as stream of the localization method of the electronic tag positioning device of the invention based on RFID in an embodiment
Cheng Tu；
Fig. 3 is shown as knot of the positioning system of the electronic tag positioning device of the invention based on RFID in an embodiment
Structure schematic diagram；
Fig. 4 is shown as the structural schematic diagram of control device of the invention in an embodiment.
Component label instructions
1 antenna
2 electronic tags
3 reading devices
4 control devices
31 active modules
32 obtain module
33 relating modules
41 processors
42 memories
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.It should be noted that in the absence of conflict, following embodiment and implementation
Feature in example can be combined with each other.
It should be noted that illustrating the basic structure that only the invention is illustrated in a schematic way provided in following embodiment
Think, only shown in schema then with related component in the present invention rather than component count, shape and size when according to actual implementation
Draw, when actual implementation kenel, quantity and the ratio of each component can arbitrarily change for one kind, and its assembly layout kenel
It is likely more complexity.
Of the invention electronic tag positioning device and localization method based on RFID can be read based on a read-write equipment
The label information and location information of multiple electronic tags, improve the positioning accuracy of electronic tag, extend the reading of electronic tag
Range is taken, to increase the applicability of electronic tag.
As shown in Figure 1, in an embodiment, the electronic tag positioning device of the invention based on RFID includes:
At least two antennas 1, equidistantly distributed and central point is respectively positioned in first straight line.Specifically, described at least two
Antenna 1 is parallel to each other, and central point along first straight line equidistantly distributed be arranged.Preferably, described in order to which subsequent positioning is easy
The sizes of at least two antennas, structure and unit for electrical property parameters are all the same.
At least two electronic tags 2 are distributed in the different location of second straight line, the second straight line and the first straight line
In parallel；Any one electronic tag is in the read range of at least one antenna.Wherein, at least two electronic tag 2 divides
It is dispersed in second straight line, and parallel with the center line of at least two antenna 1.Since any one electronic tag is at least
In the read range of one antenna, therefore after can guarantee any one antenna activation, an electronic tag can be at least collected
Strength information and label information.Preferably, in order to which subsequent positioning is easy, any two electronic tag and the same antenna it is horizontal away from
From being all different so that the same antenna the strength information of collected each electronic tag be all different.
Reading device 3 is respectively connected with at least two antenna 3.In one embodiment of the invention, the reading device
3 are respectively connected with at least two antenna 4 by radio frequency feed line.
Control device 4 is connected with the reading device 3, for activating each antenna respectively based on the reading device 3,
The label information and strength information of electronic tag collected when each antenna activation are obtained, and is determined based on the strength information
The corresponding label information of each electronic tag at least two electronic tag.
Specifically, under the control of the control device 4, activation is every respectively in a certain order for the reading device 3
A antenna.When a certain antenna is activated, the reading device 3 reads the label information and strength information of each electronic tag,
And it is sent to the control device 4.The control device 4 obtains the corresponding strength grade of the strength information, according to what is prestored
Strength grade of the antenna relative to each electronic tag, to obtain the corresponding electronic tag of the strength information, and then really
Determine the corresponding label information of the electronic tag.
In one embodiment of the invention, the working frequency of the electronic tag and the reading device is 13.56M hertz.
Wherein, 13.56M hertz be high-frequency RF ID working frequency.Inductor no longer needs coil to carry out coiling under the frequency, can be with
Antenna is made by way of corroding or printing.Inductor is generally worked by way of load modulation.It is namely logical
Switching on and off for the load resistance crossed on inductor promotes the voltage on reading and writing device antenna to change, and realizes with remote sense
Device is answered to carry out amplitude modulation to aerial voltage.If people control switching on and off for load voltage by data, these
Data can be transferred to reader from inductor.
In one embodiment of the invention, the control device emits high frequency to an antenna by controlling the reading device
Pumping signal activates the antenna.
As shown in Fig. 2, the localization method of the electronic tag positioning device of the invention based on RFID is answered in an embodiment
For in control device, comprising the following steps:
Step S1, control reading device single only activates an antenna at least two antennas.
Specifically, the control device only allows the reading device to activate an antenna every time, and mutiple antennas is avoided to swash
Bring signal interference living.
Step S2, when the antenna activation, obtain the read electronic tag of the reading device label information and
Strength information.
Specifically, when an antenna activation, the reading device reads the label information and intensity of each electronic tag
Information, and it is sent to the control device.
Step S3, after each antenna activation in described at least two antenna, according to each antenna and electronics mark
The range information of label and the strength information establish the corresponding relationship of the antenna and electronic tag, with the determination electronic tag
Label information.
Specifically, the control device prestores each antenna for the strength grade of each electronic tag.According to described
Strength information determines corresponding strength grade, determines corresponding electronic tag further according to strength grade, then the strength information pair
The label information answered is what the electronic tag issued.
It is assumed that each antenna is all the same, the distance that each electronic tag reaches the same antenna is all different, then described in distance
Antenna is closer, and strength grade is higher.The corresponding relationship of each strength information and electronic tag is determined according to distance relation, then can be obtained
Take the label information of each electronic tag.
Furthermore it is also possible to determine that each electronic tag is corresponding strong to the intensity value of each electronic tag according to the antenna
Spend grade.
As shown in figure 3, the positioning system of the electronic tag positioning device of the invention based on RFID is answered in an embodiment
For in control device, including active module 31, obtain module 32 and relating module 33.
Active module 31 is used to control reading device single and only activates an antenna at least two antennas.
Specifically, the control device only allows the reading device to activate an antenna every time, and mutiple antennas is avoided to swash
Bring signal interference living.
It obtains module 32 to be connected with active module 31, for obtaining the reading device and being read when the antenna activation
The label information and strength information of the electronic tag taken.
Specifically, when an antenna activation, the reading device reads the label information and intensity of each electronic tag
Information, and it is sent to the control device.
Relating module 33 is connected with module 32 is obtained, and has activated for each antenna at least two antenna
Bi Hou establishes pair of the antenna and electronic tag according to the range information and the strength information of each antenna and electronic tag
It should be related to, with the label information of the determination electronic tag.
Specifically, the control device prestores each antenna for the strength grade of each electronic tag.According to described
Strength information determines corresponding strength grade, determines corresponding electronic tag further according to strength grade, then the strength information pair
The label information answered is what the electronic tag issued.
It is assumed that each antenna is all the same, the distance that each electronic tag reaches the same antenna is all different, then described in distance
Antenna is closer, and strength grade is higher.The corresponding relationship of each strength information and electronic tag is determined according to distance relation, then can be obtained
Take the label information of each electronic tag.
Furthermore it is also possible to determine that each electronic tag is corresponding strong to the intensity value of each electronic tag according to the antenna
Spend grade.
It should be noted that it should be understood that the modules of system above division be only a kind of logic function division,
It can completely or partially be integrated on a physical entity in actual implementation, it can also be physically separate.And these modules can be with
All realized by way of processing element calls with software；It can also all realize in the form of hardware；It can also part mould
Block realizes that part of module passes through formal implementation of hardware by way of processing element calls software.For example, x module can be
The processing element individually set up also can integrate and realize in some chip of above-mentioned apparatus, in addition it is also possible to program generation
The form of code is stored in the memory of above-mentioned apparatus, is called by some processing element of above-mentioned apparatus and is executed the above x mould
The function of block.The realization of other modules is similar therewith.Furthermore these modules completely or partially can integrate together, can also be only
It is vertical to realize.Processing element described here can be a kind of integrated circuit, the processing capacity with signal.During realization,
Each step of the above method or the above modules can be by the integrated logic circuits of the hardware in processor elements or soft
The instruction of part form is completed.
For example, the above module can be arranged to implement one or more integrated circuits of above method, such as:
One or more specific integrated circuits (Application Specific Integrated Circuit, abbreviation ASIC), or,
One or more microprocessors (Digital Singnal Processor, abbreviation DSP), or, one or more scene can compile
Journey gate array (Field Programmable Gate Array, abbreviation FPGA) etc..For another example, when some above module passes through place
When managing the form realization of element scheduler program code, which can be general processor, such as central processing unit
(Central Processing Unit, abbreviation CPU) or it is other can be with the processor of caller code.For another example, these modules
It can integrate together, realized in the form of system on chip (system-on-a-chip, abbreviation SOC).
As shown in figure 4, control device of the invention includes: processor 41 and memory 42 in an embodiment.
The memory 42 is for storing computer program.
The memory 42, which includes: that ROM, RAM, magnetic disk, USB flash disk, storage card or CD etc. are various, can store program generation
The medium of code.
The processor 41 is connected with the memory 42, the computer program stored for executing the memory 42,
So that the control device executes the localization method of the above-mentioned electronic tag positioning device based on RFID.
Preferably, the processor 41 can be general processor, including central processing unit (Central Processing
Unit, abbreviation CPU), network processing unit (Network Processor, abbreviation NP) etc.；It can also be digital signal processor
(Digital Signal Processor, abbreviation DSP), specific integrated circuit (Application Specific
Integrated Circuit, abbreviation ASIC), field programmable gate array (Field Programmable Gate Array,
Abbreviation FPGA) either other programmable logic device, discrete gate or transistor logic, discrete hardware components.
It is stored with computer program on storage medium of the invention, is realized when the computer program is executed by processor
The localization method for the electronic tag positioning device based on RFID stated.
Preferably, the storage medium, which includes: that ROM, RAM, magnetic disk, USB flash disk, storage card or CD etc. are various, can store
The medium of program code.
In conclusion the electronic tag positioning device and localization method of the invention based on RFID can be based on a read-write
Device reads the label information and location information of multiple electronic tags, improves the positioning accuracy of electronic tag；It can be to carrying
Product/material of RFID electronic label is positioned, to realize the automation precise acquisition of product information；It is electric to RFID is carried
Product/material of subtab can be detected and apply with packaging orientation internal product without removing outer packaging.Therefore, the present invention has
Effect overcomes various shortcoming in the prior art and has high industrial utilization value.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (10)
1. a kind of electronic tag positioning device based on RFID characterized by comprising
At least two antennas, equidistantly distributed and central point are respectively positioned in first straight line；
At least two electronic tags, are distributed in the different location of second straight line, and the second straight line is parallel with the first straight line；
Any one electronic tag is in the read range of at least one antenna；
Reading device is respectively connected with at least two antenna；
Control device is connected with the reading device, for activating each antenna respectively based on the reading device, obtains each
The label information and strength information of electronic tag collected when antenna activation, and based on the strength information determine it is described at least
The corresponding label information of each electronic tag in two electronic tags.
2. the electronic tag positioning device according to claim 1 based on RFID, it is characterised in that: the electronic tag with
The working frequency of the reading device is 13.56M hertz.
3. the electronic tag positioning device according to claim 1 based on RFID, it is characterised in that: the reading device with
At least two antenna is respectively connected with by radio frequency feed line.
4. the electronic tag positioning device according to claim 1 based on RFID, it is characterised in that: the control device is logical
It crosses and controls the reading device to an antenna transmitting high-frequency excitation signal to activate the antenna.
5. the electronic tag positioning device according to claim 1 based on RFID, it is characterised in that: described at least two days
The size of line, structure and unit for electrical property parameters are all the same.
6. the electronic tag positioning device according to claim 1 based on RFID, it is characterised in that: any two electronics mark
It signs and is all different with the horizontal distance of the same antenna.
7. a kind of localization method of electronic tag positioning device described in one of -6 based on RFID according to claim 1, application
In control device, it is characterised in that: the following steps are included:
Control reading device single only activates an antenna at least two antennas；
When the antenna activation, the label information and strength information of the read electronic tag of the reading device are obtained；
After each antenna activation at least two antenna, according to the range information of each antenna and electronic tag
The corresponding relationship of the antenna and electronic tag is established, with the strength information with the label information of the determination electronic tag.
8. a kind of positioning system of electronic tag positioning device described in one of -6 based on RFID according to claim 1, application
In control device, it is characterised in that: including active module, obtain module and relating module；
The active module is used to control reading device single and only activates an antenna at least two antennas；
The acquisition module is used for when the antenna activation, obtains the label letter of the read electronic tag of the reading device
Breath and strength information；
After the relating module is used for each antenna activation at least two antenna, according to each antenna with
The range information of electronic tag and the strength information establish the corresponding relationship of the antenna and electronic tag, with the determination electricity
The label information of subtab.
9. a kind of control device, it is characterised in that: include: processor and memory；
The memory is for storing computer program；
The processor is used to execute the computer program of the memory storage, so that the control device perform claim requires
The localization method of electronic tag positioning device described in 7 based on RFID.
10. a kind of storage medium, is stored thereon with computer program, which is characterized in that the computer program is held by processor
The localization method of the electronic tag positioning device as claimed in claim 7 based on RFID is realized when row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811533182.3A CN109389194A (en) | 2018-12-14 | 2018-12-14 | Electronic tag positioning device and localization method based on RFID |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811533182.3A CN109389194A (en) | 2018-12-14 | 2018-12-14 | Electronic tag positioning device and localization method based on RFID |
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| CN109389194A true CN109389194A (en) | 2019-02-26 |
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| CN201811533182.3A Pending CN109389194A (en) | 2018-12-14 | 2018-12-14 | Electronic tag positioning device and localization method based on RFID |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111079871A (en) * | 2019-11-30 | 2020-04-28 | 深圳精匠云创科技有限公司 | Locking control method, locking device and control device based on electronic tag |
| CN112084800A (en) * | 2019-06-12 | 2020-12-15 | 芯恩（青岛）集成电路有限公司 | Passive electronic tag positioning device and method based on RFID |
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