CN209216126U - Electronic tag positioning device based on RFID - Google Patents
Electronic tag positioning device based on RFID Download PDFInfo
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- CN209216126U CN209216126U CN201822104790.4U CN201822104790U CN209216126U CN 209216126 U CN209216126 U CN 209216126U CN 201822104790 U CN201822104790 U CN 201822104790U CN 209216126 U CN209216126 U CN 209216126U
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- electronic tag
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- reading device
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Abstract
The utility model provides a kind of electronic tag positioning device 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.The electronic tag positioning device based on RFID of the utility model 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 utility model relates to the technology of radio frequency identification (Radio Frequency Identification, RFID) necks
Domain, more particularly to a kind of electronic tag positioning device 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.
Utility model content
In view of the foregoing deficiencies of prior art, the purpose of this utility model is to provide a kind of electronics based on RFID
Tag location device can be read the label information and location information of multiple electronic tags based on a read-write equipment, be improved
The positioning accuracy of electronic tag.
In order to achieve the above objects and other related objects, the utility model provides a kind of electronic tag positioning based on RFID
Device, comprising: at least two antennas, equidistantly distributed and central point are respectively positioned in first straight line；At least two electronic tags, point
For cloth 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
In the read range of one antenna；Reading device is respectively connected with at least two antenna；Control device, with the reading
Device is connected, and for activating each antenna respectively based on the reading device, obtains electronics collected when each antenna activation
The label information and strength information of label, and each electronics at least two electronic tag is determined based on the strength information
The corresponding label information of label.
In an embodiment of the present invention, the working frequency of the electronic tag and the reading device is 13.56M conspicuous
Hereby.
In an embodiment of the present invention, the reading device and at least two antenna are distinguished by radio frequency feed line
It is connected.
In an embodiment of the present invention, the reading device is used to swash to an antenna transmitting high-frequency excitation signal
The antenna living.
In an embodiment of the present invention, the size of at least two antenna, structure and unit for electrical property parameters are all the same.
In an embodiment of the present invention, the horizontal distance of any two electronic tag and the same antenna is all different.
As described above, the electronic tag positioning device described in the utility model based on RFID, has the advantages that
(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 representation of the electronic tag positioning device in an embodiment based on RFID of the utility model
Figure；
Fig. 2 is shown as the localization method of the electronic tag positioning device based on RFID of the utility model in an embodiment
Flow chart；
Fig. 3 is shown as the positioning system of the electronic tag positioning device based on RFID of the utility model in an embodiment
Structural schematic diagram；
Fig. 4 is shown as structural schematic diagram of the control device of the utility model 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 the embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this theory
Content disclosed by bright book understands other advantages and effect of the utility model easily.The utility model can also be by addition
Different specific embodiments are embodied or practiced, and the various details in this specification can also be based on different viewpoints and answer
With carrying out various modifications or alterations under the spirit without departing from the utility model.It should be noted that the case where not conflicting
Under, the feature in following embodiment and embodiment can be combined with each other.
It should be noted that diagram provided in following embodiment only illustrates the basic of the utility model in a schematic way
Conception, only shown in schema then with related component in the utility model rather than component count when according to actual implementation, shape
And size is drawn, when actual implementation kenel, quantity and the ratio of each component can arbitrarily change for one kind, and its assembly layout
Kenel may also be increasingly complex.
The electronic tag positioning device based on RFID of the utility model can read multiple electricity based on a read-write equipment
The label information and location information of subtab, improve the positioning accuracy of electronic tag, extend the read range of electronic tag,
To increase the applicability of electronic tag.
As shown in Figure 1, in an embodiment, the electronic tag positioning device based on RFID of the utility model 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 an embodiment of the present invention, the reading
Device 3 is 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 an embodiment of the present invention, the working frequency of the electronic tag and the reading device is 13.56M conspicuous
Hereby.Wherein, 13.56M hertz be high-frequency RF ID working frequency.Inductor no longer needs coil to carry out coiling under the frequency,
Antenna can be made by way of corroding or printing.Inductor is generally worked by way of load modulation.Also
It is to promote the voltage on reading and writing device antenna to change by switching on and off for the load resistance on inductor, long distance is used in realization
Amplitude modulation is carried out to aerial voltage from inductor.If people control switching on and off for load voltage by data,
These data can be transferred to reader from inductor.
In an embodiment of the present invention, the control device is emitted by controlling the reading device to an antenna
High-frequency excitation signal activates the antenna.
As shown in Fig. 2, in an embodiment, the positioning side of the electronic tag positioning device based on RFID of the utility model
Method is applied 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, in an embodiment, the positioning system of the electronic tag positioning device based on RFID of the utility model
System is applied in control device, including active module 31, acquisition 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, the control device of the utility model 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.
Computer program is stored on the storage medium of the utility model, it is real when the computer program is executed by processor
The localization method of the existing above-mentioned electronic tag positioning device based on RFID.
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 based on RFID of the utility model can be read based on a read-write equipment
The label information and location information for taking multiple electronic tags, improve the positioning accuracy of electronic tag；It can be electric to RFID is carried
Product/material of subtab is positioned, to realize the automation precise acquisition of product information；To carrying RFID electronic label
Product/material can be detected and applied with packaging orientation internal product without removing outer packaging.Therefore, the utility model is effective
It overcomes various shortcoming in the prior art and has high industrial utilization value.
The above embodiments are only illustrative of the principle and efficacy of the utility model, and not for limitation, this is practical new
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
All equivalent modifications or change completed under mind and technical idea, should be covered by the claim of the utility model.
Claims (6)
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 reading device is used
In activating the antenna to antenna transmitting high-frequency excitation signal.
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.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822104790.4U CN209216126U (en) | 2018-12-14 | 2018-12-14 | Electronic tag positioning device based on RFID |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822104790.4U CN209216126U (en) | 2018-12-14 | 2018-12-14 | Electronic tag positioning device based on RFID |
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| CN209216126U true CN209216126U (en) | 2019-08-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109389194A (en) * | 2018-12-14 | 2019-02-26 | 刘东兵 | Electronic tag positioning device and localization method based on RFID |
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2018
- 2018-12-14 CN CN201822104790.4U patent/CN209216126U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109389194A (en) * | 2018-12-14 | 2019-02-26 | 刘东兵 | Electronic tag positioning device and localization method based on RFID |
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