CN110365358A - A kind of super positioning driver of RFID - Google Patents
A kind of super positioning driver of RFID Download PDFInfo
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- CN110365358A CN110365358A CN201910639453.1A CN201910639453A CN110365358A CN 110365358 A CN110365358 A CN 110365358A CN 201910639453 A CN201910639453 A CN 201910639453A CN 110365358 A CN110365358 A CN 110365358A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10316—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/029—Location-based management or tracking services
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Abstract
The invention discloses a kind of super positioning drivers of RFID, the positioning driver includes ARM main control module, 2.4G receives and dispatches poller module, 125K signal programmable power supply adjusts module, 125K signal synthesizes amplification module and signal emission module, the ARM main control module receives and dispatches poller module real-time reception polling data by 2.4G, synthesis amplification is carried out to data using 125K signal synthesis amplification module, the signal emission module launches wireless signal, the 2.4G transmitting-receiving poller module is received and dispatched for realizing the poll of 2.4G signal, the 125K signal programmable power supply adjustment module is for being adjusted the height of supply voltage, the present invention is scientific and reasonable, it is safe and convenient to use, the sequence control to 2.4G signal is realized using 2.4G transmitting-receiving poller module, it keeps away Exempt to position and occur the problem of mutually collision between driver, the 125K signal programmable power supply adjustment module realizes the step-less adjustment to radio signal power for the height of supply voltage to be adjusted.
Description
Technical field
The present invention relates to driver technical field, specifically a kind of super positioning driver of RFID.
Background technique
The visible the relevant technologies of existing market are electric resistance partial pressure type voltage drive by the incentive mode of 125KHz locating base station
Mode, efficiency is relatively low, and cannot achieve it is stepless precisely it is adjustable, cause 125K positioning function characteristic poor, field adjustable trouble,
And orientation range due to each 125KHZ locating base station and operating distance are limited, for example (3.5 meters of radiuses) causes positioning to be touched
The covering demand of hair is difficult to meet, and especially in irregular open area, the layout of locating base station is exactly one troubling
Problem, not only required locating base station quantity is more, mutually dry since place irregularly leads to positioning covering juxtaposition
It disturbs, orientation distance cannot achieve precisely adjustable, situations such as specific application scene can bring location interference and location information to lack, and lead
It causes to occur without positioning or location of mistake state, and since the sequence control of triggering excitation is complicated, is easy to cause similar positioning
Device co-channel interference, the present invention use 2.4GHZ sequence control, efficiently solve positioning driver collision problem, so, people are anxious
A kind of super positioning driver of RFID is needed to solve the above problems.
Summary of the invention
The purpose of the present invention is to provide a kind of super positioning drivers of RFID, to solve the efficiency proposed in the prior art
It is relatively low, cannot achieve it is stepless precisely it is adjustable, field adjustable trouble, orientation range and operating distance are limited, lead to orientation triggering
Covering demand be difficult to meet, especially in irregular open area, required locating base station quantity is more, interfere with each other,
Orientation distance cannot achieve precisely adjustable, the problem of specific application scene can bring location interference and location information to lack.
To achieve the above object, the invention provides the following technical scheme: a kind of super positioning driver of RFID, the positioning swash
Encourage device include ARM main control module, 2.4G transmitting-receiving poller module, 125K signal programmable power supply adjustment module, 125K signal synthesis put
Big module and signal emission module；
It is electrically connected between the 2.4G transmitting-receiving poller module and ARM main control module, the output end of the ARM main control module
Module is adjusted with 125K signal programmable power supply respectively and 125K signal synthesizes the input terminal electric connection of amplification module, the 125K
Signal programmable power supply adjusts module and the output end of 125K signal synthesis amplification module is electric with the input terminal of signal emission module
Property connection；
The ARM main control module receives and dispatches poller module real-time reception polling data by 2.4G, and what is received is current address
When signal, the ARM main control module carries out synthesis to data using 125K signal synthesis amplification module and puts according to data format
Greatly, the signal emission module launches wireless signal, and the 2.4G transmitting-receiving poller module is for realizing 2.4G signal
Poll transmitting-receiving realizes the sequence control to 2.4G signal using 2.4G transmitting-receiving poller module, avoids occurring between positioning driver
The problem of mutually colliding, the 125K signal programmable power supply adjustment module are realized for the height of supply voltage to be adjusted
To the step-less adjustment of radio signal power.
According to the above technical scheme, the 2.4G transmitting-receiving poller module includes a host and several slaves, the master
Machine starts 2.4G order management slave while emitting 125K signal, several described slaves are successively emitted in a manner of poll
125K signal, the 2.4G order that several described slave receiving hosts issue, and emit 125K signal, 125K signal may be implemented
Wireless circulating, can be with effective solution 125K trigger co-channel interference the problem of, and equipment installation is simple and quick, greatly
Improve the efficiency of construction.
According to the above technical scheme, the ARM main control module mainly includes STM32F051C8 chip, described
STM32F051C8 chip is used to control entire super positioning driver.
According to the above technical scheme, 125K signal programmable power supply adjustment module include MAX5128 digital regulation resistance and
29302WU chip, the ARM main control module adjusts resistance value inside MAX5128 digital regulation resistance by 2 line communication modes, described
MAX5128 digital regulation resistance and resistance R8 and resistance R10 form bleeder circuit, control to the ADJ pin of 29302WU chip
System changes the output voltage of 29302WU chip, is changed to the power of 125K wireless signal transmitting.
According to the above technical scheme, the 125K signal synthesis amplification module includes TC4422MOS driver and recommends MOS
The 125K square wave of DMC3018 chip, the ARM main control module received data and standard is synthesized, the number of the synthesis
According to by TC4422MOS driver and recommending MOS DMC3018 chip and carry out reversed and amplify, the TC4422MOS driver
Module is adjusted by 125K signal programmable power supply with the power supply for recommending MOS DMC3018 chip and carries out dynamic adjustment.
According to the above technical scheme, the signal emission module is mainly 125K antenna, to the TC4422MOS driver
Signal progress wireless transmission that is reversed and amplifying is carried out with MOS DMC3018 chip is recommended.
According to the above technical scheme, the super positioning driver of the RFID is using buried communication cable as transmission antenna,
The buried communication cable is a kind of high frequency cable, and the high frequency cable outer conductor is not full-shield, offers leakage slot
Or dredge braiding.
According to the above technical scheme, the calculation formula of radio signal transmission loss in air are as follows:
Loss=32.44+20log d (Km)+20log f (Mhz)；
Wherein, d is transmission range, and f is transmission frequency；
The super positioning driver of RFID is using 125KHz low frequency triggering excitation and 2.4GHz high frequency communications, low frequency triggering
It can guarantee that farther more reliable stable detection triggered positioning distance, the high frequency communications of 2.4Ghz guarantee again since the loss of signal is small
It is real to meet along with 125Khz exciting power software implementation is adjustable different application scene for enough communication bandwidths and interference free performance
The needs of Shi Dingwei.
According to the above technical scheme, in the formula, the aerial propagation of radio signal declines and is lost and transmits
Distance is at specific logarithmic relationship, and when 125KHZ pumping signal is stablized when a certain amplitude, RFID positions the reception of label
Sensitivity is also relatively uniform, then the distance for meeting the requirement that is triggered near the close leakage cable of RFID positioning label is exactly can
Using the near-realtime data as orientation criterion, after positioning label is triggered, label is sent by 2.4GHZ to locating base station real
When location information, locating base station can record label the location of at that time, to realize that tag identity positions, and can pass through
Query history records data traceability tag location track.
According to the above technical scheme, it is cooperateed with for complicated opening RFID zone location using multiple RF ID drivers
Cooperate positioning principle, divided according to different floor areas, flexibly using leakage cable, different regions can be by corresponding buried
Cable distinguishes, even if there have part RFID driver to meet to be closer, co-channel interference is easy to produce, using 2.4G sequence control machine
System efficiently realizes the anti-interference anticollision label area positioning of low time delay.
Compared with prior art, the beneficial effects of the present invention are: being realized using 2.4G transmitting-receiving poller module to 2.4G signal
Sequence control, avoid the problem that occurring mutually collision between positioning driver, the 125K signal programmable power supply adjusts module
It is adjusted for the height to supply voltage, realizes the step-less adjustment to radio signal power, the super positioning of RFID swashs
Device is encouraged using 125KHz low frequency triggering excitation and 2.4GHz high frequency communications, low frequency triggering can guarantee farther since the loss of signal is small
More reliable stable detection triggered positioning distance, the high frequency communications of 2.4-2.5Ghz in turn ensure enough communication bandwidths and resist dry
Immunity energy motivates inductance along with the adjustable needs for meeting different application scene and positioning in real time of 125Khz exciting power software implementation
Cable can be buried according to usage scenario design scheme, and by this distributed inductance and RFID positioning excitation efficient matchings,
The new industry situation demand of various opening wisdom Internet of Things is adapted to, irregular field positioning excitation application and large area place are particularly suitable for
RFID positioning excitation application, and since buried excitation inductance relative position is fixed, it is ingenious to be distributed using 125KHZ low frequency inductance
The principle of formula conduction plus limited radial realizes reliable and stable excitation triggering, to realize reliable location, and uses the invention
After technology, complex site and application scenarios are only needed using the super positioning driver of a 125KHZ, so there is no low frequencies to hand over
Interference problem is pitched, so that the problems such as efficiently solving location interference and location of mistake, if you need to install positioning driver additional, then of the invention
Super driver carries out sequence control using 2.4GHZ, effectively prevent positioning driver co-channel interference and pumping signal collision, is
The positioning excitation of specific application scene provides high performance-price ratio RFID location solution.
Detailed description of the invention
Fig. 1 is a kind of overall structure figure of the super positioning driver of RFID of the present invention；
Fig. 2 is that a kind of super positioning driver 2.4G of RFID of the present invention receives and dispatches the wireless poll structure chart of poller module；
Fig. 3 is that a kind of RFID of the super positioning driver of RFID of the present invention positions work flow diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment: as shown in Figure 1-3, the present invention provides a kind of technical solution, a kind of super positioning driver of RFID, this is fixed
Position driver includes ARM main control module, 2.4G transmitting-receiving poller module, 125K signal programmable power supply adjustment module, the conjunction of 125K signal
At amplification module and signal emission module；
2.4G transmitting-receiving poller module and ARM main control module between is electrically connected, the output end of ARM main control module respectively with
125K signal programmable power supply adjusts module and the input terminal of 125K signal synthesis amplification module is electrically connected, 125K signal program-controlled electric
Source adjusts module and the output end of 125K signal synthesis amplification module is electrically connected with the input terminal of signal emission module；
ARM main control module receives and dispatches poller module real-time reception polling data by 2.4G, and what is received is current address signal
When, ARM main control module carries out synthesis amplification, signal hair to data according to data format, using 125K signal synthesis amplification module
It penetrates module to launch wireless signal, 2.4G receives and dispatches poller module and receives and dispatches for realizing the poll of 2.4G signal, utilizes 2.4G
Poller module realization is received and dispatched to the sequence control of 2.4G signal, avoids the problem that occurring mutually collision between positioning driver,
125K signal programmable power supply adjustment module is for being adjusted the height of supply voltage, the adjusting to voltage levels, according to public affairs
Formula:
P=U2/R；
The adjusting to transmission power may be implemented, the transmitting range that higher transmission power will lead to wireless signal is farther,
It is also possible to loss of the wireless signal in transmission process is effectively reduced, so that the transmission of wireless signal is more accurate,
The step-less adjustment to radio signal power may be implemented.
It includes a host and several slaves that 2.4G, which receives and dispatches poller module, and host starts while emitting 125K signal
2.4G order management slave, several slaves successively emit 125K signal in a manner of poll, several slave receiving hosts hair
2.4G order out, and emit 125K signal, the wireless circulating of 125K signal may be implemented, avoid while emitting identical nothing
The problem of line signal leads to the collision occurred between signal, can be with effective solution 125K trigger co-channel interference, and equipment
It installs simple and quick, greatly improves the efficiency of construction.
ARM main control module mainly includes STM32F051C8 chip, maximum frequency 48MHZ, 64KB flash, 8KB RAM,
And peripheral hardware abundant is had, STM32F051C8 chip is used to control entire super positioning driver.
It includes MAX5128 digital regulation resistance and 29302WU chip, ARM master control mould that 125K signal programmable power supply, which adjusts module,
Block adjusts resistance value inside MAX5128 digital regulation resistance, MAX5128 digital regulation resistance and resistance R8 and electricity by 2 line communication modes
It hinders R10 and forms bleeder circuit, the ADJ pin of 29302WU chip is controlled, change the output voltage of 29302WU chip, it is right
The power of 125K wireless signal transmitting is changed, and then realizes the adjusting to wireless signal transmitting range.
125K signal synthesis amplification module includes TC4422MOS driver and recommends MOSDMC3018 chip, Manchester
Code data are flowed by port Q1, Q2, Q3, are synthesized with the standard 125K square wave of PWM_IN input, ARM main control module is connect
The data of receipts and the 125K square wave of standard are synthesized, and the data of synthesis by TC4422MOS driver and recommend MOS
DMC3018 chip carries out reversed and amplifies, and TC4422MOS driver and the power supply for recommending MOS DMC3018 chip pass through 125K
Signal programmable power supply adjusts module and carries out dynamic adjustment.
Signal emission module is mainly 125K antenna, to TC4422MOS driver and recommends the progress of MOS DMC3018 chip
Signal that is reversed and amplifying carries out wireless transmission.
The super positioning driver of RFID is buried using buried communication cable as the 125K transmission antenna of signal emission module
Formula communication cable is a kind of high frequency cable, and high frequency cable outer conductor is not full-shield, offers leakage slot or dredges braiding,
A part of signal of leaky cable internal transmission just passes through leakage grooves or the hole of open-weave leaks into cable exterior space nearby,
It is supplied to mobile RFID position receiver label, as long as leaky cable leads to there, so that it may which the orientation triggering of 125KHZ is swashed
Signal extension is encouraged near, for irregular or large area RFID positioning excitation scene, according to the distributed sensibility reciprocal of pre-buried cable
With radiation effects distance, exciting power factor can be matched by allotment, realize the excitation of super RFID precise positioning, positioning is avoided to cover
Lid overlapping interference problem was effectively solved to position and leak positioning, while being brought great convenience for site operation debugging, was promoted
The efficiency of positioning excitation debugging.
The calculation formula of radio signal transmission loss in air are as follows:
Loss=32.44+20log d (Km)+20log f (Mhz)；
Wherein, d is transmission range, and f is transmission frequency；
As transmission range d=20km, transmission frequency f=2400MHz, according to formula:
Loss=32.44+20log20+20log2400=126.04；
The super positioning driver of RFID using 125KHz low frequency triggering excitation and 2.4GHz high frequency communications, low frequency triggering due to
The loss of signal is small can to guarantee that farther more reliable stable detection triggered positioning distance, the high frequency communications of 2.4Ghz in turn ensure foot
It is fixed in real time to meet different application scene along with 125Khz exciting power software implementation is adjustable for enough communication bandwidths and interference free performance
The needs of position, so that the transmission loss of wireless signal is smaller, so that the transmission of wireless signal is more stable.
In formula, radio signal aerial propagation decline and loss and transmission range at specific logarithmic relationship,
When 125KHZ pumping signal is stablized when a certain amplitude, the receiving sensitivity that RFID positions label is also relatively uniform, then
When RFID positioning label close to the distance that leakage cable nearby meets the requirement that is triggered be exactly can be used as orientation criterion standard it is real
When data, when position label be triggered after, label by 2.4GHZ to locating base station send real-time position information, locating base station is just
It can record lower label location at that time, to realize that tag identity positions, and positioning letter opened, is stored, and can be led to
Cross query history record data traceability tag location track.
Multiple RFID driver coordinated positioning principles are used for complicated opening RFID zone location, according to not
It is divided with floor area, flexibly using leakage cable, different regions can be distinguished by corresponding underground cable, even if having
RF ID driver gathering in part is closer, is easy to produce co-channel interference, using 2.4G sequence control mechanism, efficiently realizes low time delay
Anti-interference anticollision label area positioning.
Working principle of the present invention: it firstly, being installed according to place to the super locator of RFID, is revealed using high-frequency communication
Cable is exactly that can be used as orientation criterion when RFID positioning label nearby meets the distance for the requirement that is triggered close to leakage cable
Near-realtime data, after positioning label is triggered, label sends real-time position information to locating base station by 2.4GHZ, positions base
Label location at that time can be recorded by standing, to realize that tag identity positions, and can record data by query history
Tag location track is traced, when using super positioning driver, wireless poll is carried out using 2.4G transmitting-receiving poller module, utilizes
While host emits 125K signal, command signal is sent to several slaves, slave is managed, slave is receiving master
When the administration order signal of machine transmitting, slave emits 125K signal, realizes the sequence control between signal, can effectively keep away
The problem of exempting from signal co-channel interference；
ARM main control module and 2.4G transmitting-receiving poller module between realize information interaction, ARM main control module according to 2.4G
Receive and dispatch the information exchange between poller module, to 125K signal programmable power supply adjust module and 125K signal synthesize amplification module into
Row control, the 125K signal programmable power supply adjustment module are adjusted the voltage of super positioning driver, realize to excitation
Device emits the adjusting of signal power, realizes to the step-less adjustment of driver transmission power, allows to according to different landform, right
The distance of exciter signal transmitting is adjusted, and then interfering with each other between wireless signal can be effectively avoided, so that letter
Number transmission and covering it is more comprehensive, 125K signal synthesize amplification module by transmitting antenna transmitting corresponding frequencies wireless communication
Number, label is activated in a manner of inductive coupling, label gives 2.4G card reader with 2.4G frequency range transmitting label information；
The signal emission module is pre-buried by high-frequency communication leakage cable using high-frequency communication leakage cable as transmitting antenna
In underground, the leakage to wireless signal is realized using the leakage slot and thin braiding of high-frequency communication leakage cable, when label card is close
When high-frequency communication reveals cable, trigger is triggered, 125KHz trigger is set using anti-common mode filtering circuit power supply
Meter, and cooperate the adjustable excitation power supply voltage design method of High Linear, it is ingenious to solve High Linear and exciting power adjustability problem, in fact
The stepless accurate adjusting of positioning action distance is showed.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (9)
1. a kind of super positioning driver of RFID, it is characterised in that: the positioning driver includes ARM main control module, 2.4G transmitting-receiving
Poller module, 125K signal programmable power supply adjustment module, 125K signal synthesis amplification module and signal emission module；
It is electrically connected between the 2.4G transmitting-receiving poller module and ARM main control module, the output end difference of the ARM main control module
Module is adjusted with 125K signal programmable power supply and 125K signal synthesizes the input terminal electric connection of amplification module, the 125K signal
The output end of programmable power supply adjustment module and 125K signal synthesis amplification module electrically connects with the input terminal of signal emission module
It connects；
The ARM main control module receives and dispatches poller module real-time reception polling data by 2.4G, and what is received is current address signal
When, the ARM main control module carries out synthesis amplification, institute to data according to data format, using 125K signal synthesis amplification module
It states signal emission module to launch wireless signal, the 2.4G transmitting-receiving poller module is received for realizing the poll of 2.4G signal
Hair realizes that the sequence control to 2.4G signal, the 125K signal programmable power supply adjust module using 2.4G transmitting-receiving poller module
It is adjusted for the height to supply voltage.
2. the super positioning driver of a kind of RFID according to claim 1, it is characterised in that: the 2.4G receives and dispatches poll mould
Block includes a host and several slaves, and the host starts 2.4G order management slave while emitting 125K signal, if
The dry slave successively emits 125K signal in a manner of poll, the 2.4G life that several described slave receiving hosts issue
It enables, and emits 125K signal.
3. the super positioning driver of a kind of RFID according to claim 1, it is characterised in that: the ARM main control module master
It to include STM32F051C8 chip, the STM32F051C8 chip is used to control entire super positioning driver.
4. the super positioning driver of a kind of RFID according to claim 1, it is characterised in that: the 125K signal program-controlled electric
Source adjustment module includes MAX5128 digital regulation resistance and 29302WU chip, and the ARM main control module passes through 2 line communication modes tune
Resistance value inside whole MAX5128 digital regulation resistance, the MAX5128 digital regulation resistance and resistance R8 and resistance R10 composition partial pressure electricity
Road controls the ADJ pin of 29302WU chip, changes the output voltage of 29302WU chip, sends out 125K wireless signal
The power penetrated is changed.
5. the super positioning driver of a kind of RFID according to claim 1, it is characterised in that: the 125K signal synthesis is put
Big module includes TC4422 MOS driver and recommends MOS DMC3018 chip, the ARM main control module received data with
The 125K square wave of standard is synthesized, and the data of the synthesis by TC4422 MOS driver and recommend MOS DMC3018 core
Piece carries out reversed and amplifies, and the TC4422 MOS driver and the power supply for recommending MOS DMC3018 chip pass through 125K signal
Programmable power supply adjusts module and carries out dynamic adjustment.
6. the super positioning driver of a kind of RFID according to claim 1, it is characterised in that: the signal emission module master
To be 125K antenna, to the TC4422 MOS driver and recommend the signal that the progress of MOS DMC3018 chip is reversed and amplifies
Carry out wireless transmission.
7. the super positioning driver of a kind of RFID according to claim 1, it is characterised in that: the super positioning of RFID swashs
Device is encouraged using buried communication cable as transmission antenna, the buried communication cable is a kind of high frequency cable, the high-frequency electrical
Cable outer conductor is not full-shield, offers leakage slot or dredges braiding.
8. the super positioning driver of a kind of RFID according to claim 1, it is characterised in that: the radio signal is in sky
The calculation formula of transmission loss in gas are as follows:
Loss=32.44+20log d (Km)+20log f (Mhz)；
Wherein, d is transmission range, and f is transmission frequency；
The super positioning driver of RFID is using 125KHz low frequency triggering excitation and 2.4GHz high frequency communications.
9. the super positioning driver of a kind of RFID according to claim 8, it is characterised in that: in the formula, radio
The aerial propagation decline of signal and loss and transmission range are at specific logarithmic relationship, when 125KHZ pumping signal is stablized
When a certain amplitude, the receiving sensitivity that RFID positions label is also relatively uniform, then when RFID positioning label is close to leakage
It is exactly the near-realtime data that can be used as orientation criterion that cable, which nearby meets the distance for the requirement that is triggered, when positioning label is triggered
Afterwards, label sends real-time position information to locating base station by 2.4GHZ, and it is locating at that time that locating base station can record label
Position to realize that tag identity positions, and can record data traceability tag location track by query history.
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| CN201910639453.1A CN110365358B (en) | 2019-07-15 | 2019-07-15 | RFID (radio frequency identification) super positioning exciter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111243272A (en) * | 2020-01-16 | 2020-06-05 | 浙江海康科技有限公司 | Non-motor vehicle traffic behavior monitoring method and violation detection system |
| CN113988100A (en) * | 2021-10-28 | 2022-01-28 | 厦门印天电子科技有限公司 | Shelf positioning device and method for high-frequency RFID book label |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201035583Y (en) * | 2007-04-06 | 2008-03-12 | 深圳市远望谷信息技术股份有限公司 | Signpost exciter |
| US20130026982A1 (en) * | 2011-07-29 | 2013-01-31 | Perry Rothenbaum | Wireless battery charging device, method and system |
| CN102946635A (en) * | 2012-10-17 | 2013-02-27 | 上海京颐信息科技有限公司 | Method and system of room-level indoor location based on exciter technology |
| CN103218644A (en) * | 2013-05-08 | 2013-07-24 | 岳流锋 | Carrier-wave-cancelled ultrahigh-frequency electronic tag reader |
| CN206039584U (en) * | 2016-07-19 | 2017-03-22 | 吴江天朗电子科技有限公司 | Portable personel locator beacon signs |
| US20170111348A1 (en) * | 2008-08-08 | 2017-04-20 | Assa Abloy Ab | Directional sensing mechanism and communications authentication |
| CN206147647U (en) * | 2016-07-21 | 2017-05-03 | 苏州沿芯微电子科技有限公司 | Echo is offset system for remote UHF RFID read write line |
| CN106921839A (en) * | 2017-04-18 | 2017-07-04 | 深圳国人通信股份有限公司 | A kind of high-power amplifying device and its amplification method |
| CN107659323A (en) * | 2017-08-04 | 2018-02-02 | 杭州百世伽信息科技有限公司 | A kind of 125K drivers and its transmission mechanism based on either simplex multimode |
| CN105590078B (en) * | 2015-12-22 | 2018-05-22 | 中国电子科技集团公司第二十二研究所 | A kind of equipment automatic identification equipment and automatic identifying method based on RFID technique |
| CN109151996A (en) * | 2018-09-05 | 2019-01-04 | 合肥开元埃尔软件股份有限公司 | A kind of bluetooth beacon indoor positioning device based on 125K auxiliary |
-
2019
- 2019-07-15 CN CN201910639453.1A patent/CN110365358B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201035583Y (en) * | 2007-04-06 | 2008-03-12 | 深圳市远望谷信息技术股份有限公司 | Signpost exciter |
| US20170111348A1 (en) * | 2008-08-08 | 2017-04-20 | Assa Abloy Ab | Directional sensing mechanism and communications authentication |
| US20130026982A1 (en) * | 2011-07-29 | 2013-01-31 | Perry Rothenbaum | Wireless battery charging device, method and system |
| CN102946635A (en) * | 2012-10-17 | 2013-02-27 | 上海京颐信息科技有限公司 | Method and system of room-level indoor location based on exciter technology |
| CN103218644A (en) * | 2013-05-08 | 2013-07-24 | 岳流锋 | Carrier-wave-cancelled ultrahigh-frequency electronic tag reader |
| CN105590078B (en) * | 2015-12-22 | 2018-05-22 | 中国电子科技集团公司第二十二研究所 | A kind of equipment automatic identification equipment and automatic identifying method based on RFID technique |
| CN206039584U (en) * | 2016-07-19 | 2017-03-22 | 吴江天朗电子科技有限公司 | Portable personel locator beacon signs |
| CN206147647U (en) * | 2016-07-21 | 2017-05-03 | 苏州沿芯微电子科技有限公司 | Echo is offset system for remote UHF RFID read write line |
| CN106921839A (en) * | 2017-04-18 | 2017-07-04 | 深圳国人通信股份有限公司 | A kind of high-power amplifying device and its amplification method |
| CN107659323A (en) * | 2017-08-04 | 2018-02-02 | 杭州百世伽信息科技有限公司 | A kind of 125K drivers and its transmission mechanism based on either simplex multimode |
| CN109151996A (en) * | 2018-09-05 | 2019-01-04 | 合肥开元埃尔软件股份有限公司 | A kind of bluetooth beacon indoor positioning device based on 125K auxiliary |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111243272A (en) * | 2020-01-16 | 2020-06-05 | 浙江海康科技有限公司 | Non-motor vehicle traffic behavior monitoring method and violation detection system |
| CN113988100A (en) * | 2021-10-28 | 2022-01-28 | 厦门印天电子科技有限公司 | Shelf positioning device and method for high-frequency RFID book label |
| CN113988100B (en) * | 2021-10-28 | 2023-09-22 | 厦门印天电子科技有限公司 | Layer frame positioning device and method for high-frequency RFID book label |
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