CN107818354A - A kind of industrial ultrahigh frequency radio frequency identification (RFID) reader all-in-one of radio-frequency power self-regulation - Google Patents
A kind of industrial ultrahigh frequency radio frequency identification (RFID) reader all-in-one of radio-frequency power self-regulation Download PDFInfo
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- CN107818354A CN107818354A CN201711090280.XA CN201711090280A CN107818354A CN 107818354 A CN107818354 A CN 107818354A CN 201711090280 A CN201711090280 A CN 201711090280A CN 107818354 A CN107818354 A CN 107818354A
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- rfid
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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
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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
- G06K7/10198—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 setting parameters for the interrogator, e.g. programming parameters and operating modes
- G06K7/10217—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 setting parameters for the interrogator, e.g. programming parameters and operating modes parameter settings controlling the transmission power of the interrogator
-
- 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
- G06K7/10297—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 arrangements for handling protocols designed for non-contact record carriers such as RFIDs NFCs, e.g. ISO/IEC 14443 and 18092
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Engineering & Computer Science (AREA)
- Near-Field Transmission Systems (AREA)
Abstract
The invention discloses a kind of industrial ultrahigh frequency radio frequency identification (RFID) reader all-in-one of radio-frequency power self-regulation, ultrahigh frequency RFID all-in-one is internally integrated microstrip antenna, and circuit is divided into main control part, radio frequency part；Main control part includes：Microprocessor, communication isolation module, 24VDC insulating power supplies, Flash memory chip, radio frequency part include：Digital baseband, transceiver modem chip, PA amplifications, radio-frequency front-end, power detection, radio frequency power output software is adjustable.Main control part, both radio frequency parts are designed using signal isolation and physical isolation mode, and two layers above and below point, top layer is radio frequency part, connects built-in aerial；Floor portions are main control part, for powering and communicating.All-in-one can automatically adjust radio frequency power output according to environmental change, realize reliable reading RFID label tag.
Description
Technical field
The present invention relates to RFID fields, the ultrahigh frequency RFID particularly suitable for the complicated live radio-frequency power self-regulation such as industry
Read write line all-in-one application field.
Background technology
With the development of Internet of Things, RFID (Radio Frequency Identification, radio frequency identification) skill
Art is widely used in intelligence manufacture fields such as intelligent production line, wisdom logistics, intelligent storages.
On intelligent storage, wisdom logistics, intelligent plant production line, it can be realized to parts using ultra-high frequency RFID technology
And the remote identification of product, effectively tracking, positioning, control, realize the transparence and visualized management of production line.Strengthen life
The promptness and accuracy of producing line material allocation, the error rate of assembling and sorting is reduced, strengthen the quality of production process article
Monitoring and tracking, improve product quality and production line entirety production efficiency.
The content of the invention
It is an object of the invention to provide a kind of industrial ultrahigh frequency radio frequency identification (RFID) reader all-in-one of radio-frequency power self-regulation, one
Machine realizes to the adaptive of environment by the self-regulation to radio-frequency power, ensure that RFID reader one function is reliable
RFID label tag is read, this process is adjusted without manual intervention radio-frequency power.
A kind of industrial ultrahigh frequency radio frequency identification (RFID) reader all-in-one of radio-frequency power self-regulation proposed by the present invention, including：Metal
Housing, main control part circuit board, radio frequency part circuit board, the pin aviation sockets of M12 five；It is characterized in that：Main control part circuit board
Including：Microprocessor, communication isolation module, 24VDC insulating power supplies, Flash memory chip；Radio frequency part circuit board includes：Number
Word base band, transceiver modem chip, PA amplifications, radio-frequency front-end, power detection, radio frequency part power output software is adjustable；
Main control part circuit board uses physical isolation with radio frequency part circuit board inside all-in-one, and two layers above and below point, top layer is radio frequency
Partial circuit plate, connects built-in aerial；Floor portions are master control partial circuit plate, for powering and communicating；Main control part circuit board
It is close to all-in-one metal shell with radio frequency part circuit board, main control part circuit board is with radio frequency part circuit board communications using double
Pin connects；Interface uses the pin aviation sockets of M12 five, is transmitted for power supply 24VDC power supplies with signal.
The present invention proposes a kind of industrial ultrahigh frequency radio frequency identification (RFID) reader all-in-one of radio-frequency power self-regulation, industrial hyperfrequency
RFID reader all-in-one is connected by shielded cable with RFID gateways, for all-in-one power and communicate, RFID gateways with
The communication of ultrahigh frequency radio frequency identification (RFID) reader all-in-one uses custom protocol.
It is characterized in that reading the process of RFID label tag is：
Ultrahigh frequency radio frequency identification (RFID) reader all-in-one and RFID gateways connect be electrified after, into Auto-Sensing Mode, self-test terminate after to
RFID gateways send self-test and terminate order；
RFID gateways are received after ultrahigh frequency radio frequency identification (RFID) reader all-in-one self-test terminates order, give RFID reader all-in-one
Send self-regulation order；
Ultrahigh frequency radio frequency identification (RFID) reader all-in-one enters self-regulation pattern after receiving self-regulation order, is joined using default low power
Number reads label data, if reading label failure, quick to carry out power adjusting, after label stabilization is read, by adjustment parameter
Write in flash storage, realize that power down is kept, and self-regulated section end order is sent to RFID gateways；If power parameter is adjusted to
After maximum, label failure is still read, then sending reading label to gateway unsuccessfully orders；
Ultrahigh frequency radio frequency identification (RFID) reader all-in-one default address is 0, can carry out write address by RFID gateways, address number is
0-255；
Ultrahigh frequency radio frequency identification (RFID) reader all-in-one can real-time reception RFID gateways Card Reader order, by the RFID label tag read believe
Breath carries out dissection process, and RFID label tag EPC and the TID code after parsing is uploaded into RFID gateways in a manner of custom protocol；
Ultrahigh frequency radio frequency identification (RFID) reader all-in-one sends return command to RFID gateways；
When ultrahigh frequency radio frequency identification (RFID) reader all-in-one environment changes, when the Card Reader order or reception that receive RFID gateways
After the self-regulation order sent to RFID gateways, if reading label failure, all-in-one automatically adjusts radio frequency power output size, work(
Rate adjustment parameter is adjusted according to from the gradual increment mode of low-power parameter, until all-in-one reliably reads label information, and will be adjusted
In parameter read-in Flash memory chip after section；After if power parameter is adjusted to maximum, label failure is still read, then is sent out to gateway
Reading label is sent unsuccessfully to order；
The FRID label information read is subjected to dissection process, and by RFID label tag EPC and the TID code after parsing to make by oneself
Adopted protocol mode is uploaded to RFID gateways.
The present invention proposes a kind of industrial ultrahigh frequency radio frequency identification (RFID) reader all-in-one of radio-frequency power self-regulation, and ultrahigh frequency RFID is read
After writing the Card Reader order that device all-in-one receives RFID gateways, the FRID label information read is subjected to dissection process, and will parsing
RFID label tag EPC and TID code afterwards is uploaded to RFID gateways in a manner of custom protocol.
Compared with prior art, advantages of the present invention is mainly reflected in：Ultrahigh frequency radio frequency identification (RFID) reader all-in-one passes through to penetrating
The self-regulation of frequency power, realize to the quick self-adapted of environment, ensure that RFID reader one function reliably reads mark
Label, adjusted without manual intervention radio-frequency power, improve production efficiency, reduce cost of labor.
Brief description of the drawings
Fig. 1 is present invention profile in kind.
Fig. 2 is hardware architecture diagram of the present invention.
Fig. 3 is embedded-type software architecture figure of the present invention.
Fig. 4 is electric radio-frequency power self-regulation flow in the present invention.
Fig. 5 is Card Reader of the present invention, writing operation flow.
Fig. 6 is Card Reader of the present invention, writes card crash power self-regulation flow.
Embodiment
The instantiation of the present invention is described in detail below in conjunction with the accompanying drawings, has enable advantages and features of the invention more
It is easy to be understood by the person skilled in the art, apparent is clearly defined so as to be made to protection scope of the present invention.
As shown in fig.1, the present invention proposes a kind of industrial ultrahigh frequency radio frequency identification (RFID) reader all-in-one of radio-frequency power self-regulation,
Profile in kind as shown in figure 1, including：Main control part circuit board 2, radio frequency part circuit board 3, the pin aviation sockets 4 of M12 five, gold
Belong to housing 1.
All-in-one is designed using signal isolation and physical isolation mode.Wherein, signal isolation function is to be divided into all-in-one
Main control part and radio frequency part；Physical isolation is that main control part and radio frequency part are carried out into isolation design, two layers above and below point, top layer
For radio frequency part, built-in aerial is connect；Floor portions are main control part, for powering and communicating.All-in-one top layer housing is using hard
Matter plastics, bottom housing use cast aluminium, and bottom is designed for the fixation and sealing of bottom plank using encapsulating, and degree of protection is reachable
IP67, interface use the pin air plugs of M12 five, are transmitted for power supply 24VDC power supplies with signal.
Main control part is close to all-in-one housing with radio frequency part circuit board, has not only realized isolation but also has been radiated, main control part
Parallel circuit plate 2 is communicated with radio frequency part circuit board 3 and is connected using double-row needle.
As shown in fig.2, the present invention proposes a kind of industrial ultrahigh frequency radio frequency identification (RFID) reader all-in-one of radio-frequency power self-regulation
Hardware architecture diagram, it is internally integrated microstrip antenna；Main control part circuit board 2 includes：Microprocessor, communication isolation module, 24VDC every
From power supply, Flash memory chip；Radio frequency part circuit board 2 includes：Digital baseband, transceiver modem chip, PA amplification,
Radio-frequency front-end, power detection.
As shown in fig.3, the present invention proposes a kind of industrial ultrahigh frequency radio frequency identification (RFID) reader all-in-one of radio-frequency power self-regulation
Architecture diagram, software mainly include TTL serial ports part, serial communication, independent house dog part, timer section and answered
With parts such as programs.
Specific implementation step is：
1st step：A kind of pin aviations of M12 five on industrial ultrahigh frequency radio frequency identification (RFID) reader all-in-one of radio-frequency power self-regulation are inserted
Seat is connected by shielded cable with RFID gateway respective channels, realizes power supply and communication line connection.
2nd step：It is electric on RFID gateways.On RFID gateways after electricity, a kind of industrial ultrahigh frequency RFID of radio-frequency power self-regulation
Read write line all-in-one upper electricity, and enter Auto-Sensing Mode automatically, self-test by shielded cable give the transmission self-test of RFID gateways after terminating
Terminate order, command format is as shown in table 1；
The present invention of table 1 and the infomational message form of RFID gateway communication orders.
A8 8A：Frame head；
00 08：Frame length, frame length are whole control command word lengths；
00：Command type, 00 represents that a kind of industrial ultrahigh frequency radio frequency identification (RFID) reader all-in-one of radio-frequency power self-regulation is sent
Self-test terminates order；
08：Check code, removed per frame data frame head, postamble and all byte XORs of check code and；
0E 0B：Postamble.
3rd step：RFID gateways receive a kind of industrial ultrahigh frequency radio frequency identification (RFID) reader all-in-one of radio-frequency power self-regulation certainly
After inspection terminates order, the industrial ultrahigh frequency radio frequency identification (RFID) reader all-in-one to a kind of self-regulation of radio-frequency power sends self-regulation order,
Command format is similar with table 1；
4th step：Ultrahigh frequency radio frequency identification (RFID) reader all-in-one enters self-regulation pattern after receiving self-regulation order, low using giving tacit consent to
Power parameter reads label data, if reading label failure, carries out quickly carrying out power adjusting；After label stabilization is read,
Adjustment parameter is write in flash storage, realizes that power down is kept, and self-regulated section end order is sent to RFID gateways.If work(
After rate parameter is adjusted to maximum, label failure is still read, then sending reading label to gateway unsuccessfully orders.Command format and the class of table 1
Seemingly；The 2nd step, the 3rd step, the flow of the 4th step are realized, as shown in Figure 4.
5th step：Ultrahigh frequency radio frequency identification (RFID) reader all-in-one default address is 0, is carried out as desired by RFID gateways to super
High frequency RFID reader all-in-one write address, address number 0-255, and command format is similar with table 1；
6th step：The order of ultrahigh frequency radio frequency identification (RFID) reader all-in-one real-time reception RFID gateways, including：Continuous Card Reader order,
The order of single Card Reader, the order of stopping Card Reader, EPC write card command, and command format is similar with the Fig. 4 of table 1, and operating process is as shown in Figure 5.
7th step：Ultrahigh frequency radio frequency identification (RFID) reader all-in-one gives RFID gateway return commands, including：Self-test terminates order, self-regulated
Section end order, geocoding acknowledgement command, continuous Card Reader acknowledgement command, single Card Reader acknowledgement command, stopping Card Reader response life
Make, EPC writes card acknowledgement command, read label unsuccessfully order, command format is similar with table 1；
8th step：When ultrahigh frequency radio frequency identification (RFID) reader all-in-one local environment changes, when ultrahigh frequency radio frequency identification (RFID) reader one
After machine receives after the Card Reader of RFID gateways/write card command or received the self-regulation order of RFID gateways transmission, if operation mark
Label failure, all-in-one enter the radio-frequency power pattern that automatically adjusts, and power adjustment parameter is gradually incremented by mould according to from low-power parameter
Formula is adjusted, until all-in-one Successful Operation label, and by the parameter read-in Flash memory chip after regulation.If power parameter
After being adjusted to maximum, label failure is still read, then sending reading label to gateway unsuccessfully orders, and operating process is as shown in Figure 6.
9th step：Ultrahigh frequency radio frequency identification (RFID) reader all-in-one, which passes through the label information read, to be parsed, and by after parsing
RFID label tag EPC and TID code is uploaded to RFID gateways in a manner of custom protocol, uploads the label information message format such as institute of table 2
Show.
The present invention of table 2 uploads the label information message format after parsing to RFID gateways.
A8 8A：Frame head；
00 20：Frame length, frame length are whole control command word lengths；
32：Command type, 32 represent that reading label uploads data；
12Byte TID codes, low level after elder generation is high-order；
12Byte EPC codes, low level after elder generation is high-order；
00：Check code, removed per frame data frame head, postamble and all byte XORs of check code and；
0E 0B：Postamble.
Claims (2)
1. a kind of industrial ultrahigh frequency radio frequency identification (RFID) reader all-in-one of radio-frequency power self-regulation, including：Metal shell (1), main control part
Parallel circuit plate (2), radio frequency part circuit board (3), the pin aviation sockets (4) of M12 five；It is characterized in that：
Main control part circuit board (2) includes：Microprocessor, communication isolation module, 24VDC insulating power supplies, Flash memory chip；
Radio frequency part circuit board (3) includes：Digital baseband, transceiver modem chip, PA amplifications, radio-frequency front-end, power detection, are penetrated
Frequency part power output software is adjustable；Main control part circuit board (2) uses thing with radio frequency part circuit board (3) inside all-in-one
Reason isolation, two layers above and below point, top layer is radio frequency part circuit board (3), connects built-in aerial；Floor portions are master control partial circuit plate
(2), for powering and communicating；Main control part circuit board (2) is close to all-in-one metal shell (1) with radio frequency part circuit board (3),
Main control part circuit board (2) is communicated with radio frequency part circuit board (3) and is connected using double-row needle；Interface is inserted using the pin aviations of M12 five
Seat (4), transmitted for power supply 24VDC power supplies with signal；Industrial ultrahigh frequency radio frequency identification (RFID) reader all-in-one by shielded cable with
RFID gateways connect, and for powering and communicating to all-in-one, RFID gateways communicate use with ultrahigh frequency radio frequency identification (RFID) reader all-in-one
Custom protocol.
2. the industrial ultrahigh frequency radio frequency identification (RFID) reader all-in-one of radio-frequency power self-regulation as claimed in claim 1, it is characterised in that：
All-in-one automatically adjusts radio frequency power output, reads the process of RFID label tag and is：
Ultrahigh frequency radio frequency identification (RFID) reader all-in-one and RFID gateways connect be electrified after, into Auto-Sensing Mode, self-test terminate after to RFID
Gateway sends self-test and terminates order；
RFID gateways are received after ultrahigh frequency radio frequency identification (RFID) reader all-in-one self-test terminates order, give RFID reader all-in-one to send
Self-regulation order；
Ultrahigh frequency radio frequency identification (RFID) reader all-in-one enters self-regulation pattern after receiving self-regulation order, is read using default low power parameter
Label data is taken, it is quick to carry out power adjusting if reading label failure, after reading label is stable, adjustment parameter is write
In flash storage, realize that power down is kept, and self-regulated section end order is sent to RFID gateways；If power parameter is adjusted to maximum
Afterwards, label failure is still read, then sending reading label to gateway unsuccessfully orders；
Ultrahigh frequency radio frequency identification (RFID) reader all-in-one default address is 0, can carry out write address, address number 0- by RFID gateways
255；
Ultrahigh frequency radio frequency identification (RFID) reader all-in-one can real-time reception RFID gateways Card Reader order, the FRID label information read is entered
Row dissection process, and RFID label tag EPC and the TID code after parsing is uploaded to RFID gateways in a manner of custom protocol；
Ultrahigh frequency radio frequency identification (RFID) reader all-in-one sends return command to RFID gateways；
When ultrahigh frequency radio frequency identification (RFID) reader all-in-one environment changes, when the Card Reader order for receiving RFID gateways or receive
After the self-regulation order that RFID gateways are sent, if reading label failure, all-in-one automatically adjusts radio frequency power output size, power
Adjustment parameter is adjusted according to from the gradual increment mode of low-power parameter, until all-in-one reliably reads label information, and will regulation
In parameter read-in Flash memory chip afterwards；After if power parameter is adjusted to maximum, label failure is still read, then is sent to gateway
Label is read unsuccessfully to order；
The FRID label information read is subjected to dissection process, and by RFID label tag EPC and the TID code after parsing with self-defined association
View mode is uploaded to RFID gateways.
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| CN201711090280.XA CN107818354A (en) | 2017-11-08 | 2017-11-08 | A kind of industrial ultrahigh frequency radio frequency identification (RFID) reader all-in-one of radio-frequency power self-regulation |
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| CN201711090280.XA CN107818354A (en) | 2017-11-08 | 2017-11-08 | A kind of industrial ultrahigh frequency radio frequency identification (RFID) reader all-in-one of radio-frequency power self-regulation |
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| CN109697380A (en) * | 2019-01-28 | 2019-04-30 | 华清科盛(北京)信息技术有限公司 | A kind of radio frequency system of pair of adaptive read-write operation of UHF RFID label tag |
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