CN201662817U - Low-power-consumption intelligent label system based on RFID technology - Google Patents
Low-power-consumption intelligent label system based on RFID technology Download PDFInfo
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- CN201662817U CN201662817U CN2010201102264U CN201020110226U CN201662817U CN 201662817 U CN201662817 U CN 201662817U CN 2010201102264 U CN2010201102264 U CN 2010201102264U CN 201020110226 U CN201020110226 U CN 201020110226U CN 201662817 U CN201662817 U CN 201662817U
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- card reader
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Abstract
The utility model discloses a lower-power-consumption intelligent label system based on RFID technology, aiming at solving the contradiction that the existing active electronic label has high power consumption, the passive label has weak signals, and the application is limited, while the filed utilizing the RFID technology for charging and consuming is becoming wider and wilder along with the development of the society. The low-power-consumption intelligent label system comprises an RFID label, a card reader, an antenna for the card reader, and a back-stage management platform realizing data processing and master control, wherein the RFID label comprises a chip and a battery; the chip internally comprises a dormancy module leading the RFID label to be in the dormancy state and an interrupting wake-up module for waking up the RFID label to work after receiving the card reader; each module and unit inside the chip are connected with each other; by adopting dormancy state of the electronic label, utilizing the external wake-up interruption, and simultaneously utilizing an interruption method to receive a valid identifying code of the card reader, and then self information is sent, thus realizing low power consumption of the system. The lower-power-consumption intelligent label system is applicable to various fields, such as toll on the road and bridge, parking lot management, integrated SIM card consumption modules of mobile phones, and the like.
Description
Technical field
The present invention relates to short-distance radio identification field, specifically is a kind of low power-consumption intelligent tag system based on the RFID technology.
Background technology
RFID is the abbreviation of Radio Frequency Identification, and promptly radio-frequency (RF) identification is commonly called as electronic tag, is a kind of contactless automatic identification technology, and it is by the automatic recognition objective object of radiofrequency signal and obtain related data.Identification work need not manual intervention, can work in various rugged surroundings.The RFID technology can be discerned high-speed moving object and can discern a plurality of labels simultaneously, and is swift and convenient to operate, can replace bar code in a lot of applications.
Along with the development of society, convenience is consumed in various fields and is applied, the hysteresis that seems of original way to manage.For example parking management or freeway management, vehicle are sailed into, managerial personnel confirm vehicle, determine expenses standard, implement charge, open operation all working such as inlet banister clearance manually finishes by ensuring public security, and the complicated operation personnel cost is high like this; Market charge for another example, existing pattern is by the bank card bankcard consumption, not only needs to input troublesome operation such as password, and has the hidden danger of stolen use.
The utility model content
In order to overcome the weak point of present technology, fundamental purpose of the present invention provides a kind of intelligent tagging systems of the low-power consumption based on the RFID technology.
Based on the low power-consumption intelligent tag system of RFID technology, comprise the back-stage management platform of RFID label, card reader, card reader antenna, realization data processing and main control; Described RFID label comprises by chip and battery to be formed, and chip comprises coding storage element and emission receiving element; Described card reader comprises antennal interface, read write line interface, date read-write cell and wireless transmit chip; Described back-stage management platform comprises opertaing device and PC management equipment; Radio communication is connected between described RFID label and the card reader, is connected by the read write line interface between described card reader and the back-stage management platform; Each module interconnects in the card reader, and antennal interface connects the wireless transmit chip, and the read write line interface connects date read-write cell; Described RFID label is an active label, and described chip internal comprises that also a sleep block that is used to make the RFID label be in dormant state and receives the interruption wake module of waking the work of RFID label after the card reader up; Each module of chip internal and unit interconnect.
Be provided with in the described card reader regulate wireless transmit chip emissive power manually broadcast code switch.
Be provided with in the described card reader and adopt the TDMA technology to realize carrying out simultaneously the electronic tag anticollision module that many electronic tags read, described electronic tag anticollision module connects date read-write cell.
Be provided with the timing automatic card reading unit in the described card reader, the timing automatic card reading unit periodically detects the RFID label in the card reader antenna induction range, and card reading unit connects described date read-write cell automatically.
Described read write line interface comprises standard Wei root 26 interfaces or RS485 interface, and standard Wei root 26 interfaces or RS485 interface are used to connect different back-stage management platforms.
Flexibly connect between described card reader antenna and the described antennal interface, card reader antenna is made up of the antenna of some kinds of different gains, and the antenna of different gains is used to select to detect the scope of RFID label.
Described card reader antenna is the GFSK radiation pattern work of 2.4-2.5GHz with frequency of operation.
All be provided with the scrambled recognition unit in described card reader and the RFID label; The scrambled recognition unit makes label and read write line produce the mechanism of authentication mutually, prevents that illegal read write line from obtaining label information or distorting label data, perhaps forges label and cheat read write line.
The invention has the beneficial effects as follows: active RFID label is low in energy consumption, battery life is long, possess that communication distance is long, transmitted data amount is big, characteristics such as reliability height and compatibility are good, compare with passive RFID tags, advantage technically is very obvious, but because powered battery, and main energy consumption is a wireless transmission of signal, so adopt electronic tag to be in dormant state during design, utilize external interrupt wakeup, utilize interrupt mode to receive the information that just sends oneself behind effective identifying code of read write line, the low-power consumption of realization system simultaneously.The mechanism that adopts RFID label and read write line to authenticate mutually prevents that illegal read write line from obtaining label information or distorting label data, perhaps forges label and cheats read write line, adopts the scrambled transmission simultaneously in the communication process, prevents the potential safety hazard of plaintext transmission.Can miniaturization to mobile phone with integrated on the SIM card, make market consumption convenient.
Description of drawings
Below in conjunction with Figure of description the utility model is described:
Fig. 1 is a structured flowchart of the present utility model.
Embodiment
As shown in Figure 1, based on the low power-consumption intelligent tag system of RFID technology, comprise the back-stage management platform of RFID label, card reader, card reader antenna, realization data processing and main control; Described RFID label is an active label, comprise by chip and battery and forming, chip comprises coding storage element and emission receiving element, comprises that also a sleep block that is used to make the RFID label be in dormant state and receives the interruption wake module of waking the work of RFID label after the card reader up; Each module of chip internal and unit interconnect;
Described back-stage management platform comprises opertaing device and PC management equipment; Radio communication is connected between described RFID label and the card reader, is connected by the read write line interface between described card reader and the back-stage management platform; Described read write line interface comprises standard Wei root 26 interfaces or RS485 interface, in the present embodiment employing standard 485 communication+RS485 communicates by letter with standard 485-the RS485 double nip, all uses the RS485 interface communications protocol; The form such as the table 2 of RS485 puppy parc output data:
1, data opening flag STX=02H, end-of-data mark ETX=03H;
2, DATA is the electronic tag numbering that reads, and length is 6 byte ASCII character.The numbering data are converted to the method that ascii table shows is: data are cut apart for per 4 one group by order from high to low, the value of 4 bits is represented with ASCII character again.Because the span of 4 bits is OH～FH, therefore the ASCII character after the conversion is 30H～39H, 41H～46H.For example: 32 bit number data are 6A90F1H, are 36H 41H 39H 30H 46H31H after being converted into the ASCII character of 8 bytes;
3, BCC is a check code, is the result after each byte distance from STX to ETX.Except before tag number, adding read write line address subscriber-coded (UIA), all the other are consistent with the RS-485 common protocol, UIA and DATA all represent with ASCII character, the UIA address realm is at 0x00～0xFF, wherein UIAH is the high four of the subscriber-coded hexadecimal format in read write line address, and UIAL is low four of the subscriber-coded hexadecimal format in read write line address, and for example UIA is 0x18, UIAH=0x31 then, UIAL=0x38.
Described card reader comprises antennal interface, read write line interface, date read-write cell and wireless transmit chip, and date read-write cell is used for reading of data, and the wireless transmit chip is used for by reading and writing device antenna the RFID label being carried out information transmission; Also be provided with in the described card reader and regulate manually broadcasting code switch, adopting the TDMA technology to realize carrying out simultaneously electronic tag anticollision module and the timing automatic card reading unit that many electronic tags read of wireless transmit chip emissive power; Antennal interface connects the wireless transmit chip, and the read write line interface connects date read-write cell; Described electronic tag anticollision module connects date read-write cell; Automatically card reading unit connects described date read-write cell; The card reader parameter is in the present embodiment:
(1) frequency of operation: 2.4-2.5GHz;
(2) working method: work with the GFSK radiation pattern;
(3) output power: 10 ± 2dBm (adjustable);
(4) reading/writing distance; Card Reader distance 〉=10m.(relevant) with antenna gain;
(5) security mechanism: have electronic tag anticollision module, can carry out legitimacy check and encryption function to electronic tag;
(6) Card Reader mode: timing automatic Card Reader;
(7) power supply: be furnished with the supply convertor that 220V exchanges the output of input+12V/4A direct current;
(8) power consumption: average power＜10nW;
(9) physical dimension: 13.9cm * 7.9cm * 3cm;
(10) weight: the about 280g of complete machine weight;
(11) working temperature :-40 ℃～+ 85 ℃.
Manually broadcast code switch and regulate the emissive power of wireless transmit chip, the corresponding relation of dial-up position and power is as shown in the table:
| Dial-up terminal 1 position | Dial-up terminal 2 positions | The emissive power of chip |
| off | off | -20dBm |
| off | on | -10dBm |
| on | off | -5dBm |
| On | on | 0dBm |
Flexibly connect between described card reader antenna and the described antennal interface, card reader antenna is made up of the antenna of some kinds of different gains; Described card reader antenna is the GFSK radiation pattern work of 2.4-2.5GHz with frequency of operation;
All be provided with the scrambled recognition unit in described card reader and the RFID label.
The voltage and the frequency of operation of the power supply adaptor input end AC power of card reader meet the requirements: 100V ~ 220VAC/50Hz, and output terminal inserts the read write line supply hub, and to the read write line power supply, system promptly finishes initialization procedure, enters holding state.After connecting read write line, read write line promptly enters regularly card reading status, considers user's needs, and read write line has been configured basic parameter when dispatching from the factory, to satisfy basic operation requirement.
At RFID label at ordinary times since sleep block must control and be in dormant state, when card reader sends wake-up signal (being effective identifying code) back by described emission receiving element reception and be passed to the interruption wake module; Interrupt wake module order sleep block and stop dormancy control, the coding storage element is encoded to card reader by emission receiving element transmission information; Card reader antenna reception information coding also passes to date read-write cell; Date read-write cell process information coding back passes to the back-stage management platform by the read write line interface.
Claims (8)
1. based on the low power-consumption intelligent tag system of RFID technology, comprise the back-stage management platform of RFID label, card reader, card reader antenna, realization data processing and main control; Described RFID label comprises by chip and battery to be formed, and chip comprises coding storage element and emission receiving element; Described card reader comprises antennal interface, read write line interface, date read-write cell and wireless transmit chip; Described back-stage management platform comprises opertaing device and PC management equipment; Radio communication is connected between described RFID label and the card reader, is connected by the read write line interface between described card reader and the back-stage management platform; Each module interconnects in the card reader, and antennal interface connects the wireless transmit chip, and the read write line interface connects date read-write cell; It is characterized in that: described RFID label is an active label, and described chip internal comprises that also a sleep block that is used to make the RFID label be in dormant state and receives the interruption wake module of waking the work of RFID label after the card reader up; Each module of chip internal and unit interconnect.
2. the low power-consumption intelligent tag system based on the RFID technology according to claim 1 is characterized in that: be provided with in the described card reader regulate wireless transmit chip emissive power manually broadcast code switch.
3. the low power-consumption intelligent tag system based on the RFID technology according to claim 1 and 2 is characterized in that: be provided with in the described card reader and adopt the TDMA technology to realize carrying out simultaneously the electronic tag anticollision module that many electronic tags read; Described electronic tag anticollision module connects date read-write cell.
4. the low power-consumption intelligent tag system based on the RFID technology according to claim 3 is characterized in that: be provided with the timing automatic card reading unit in the described card reader; Automatically card reading unit connects described date read-write cell.
5. the low power-consumption intelligent tag system based on the RFID technology according to claim 4 is characterized in that: described read write line interface comprises standard Wei root 26 interfaces or RS485 interface.
6. the low power-consumption intelligent tag system based on the RFID technology according to claim 5 is characterized in that: flexibly connect between described card reader antenna and the described antennal interface, card reader antenna is made up of the antenna of some kinds of different gains.
7. the low power-consumption intelligent tag system based on the RFID technology according to claim 1 is characterized in that: described card reader antenna is the GFSK radiation pattern work of 2.4-2.5GHz with frequency of operation.
8. the low power-consumption intelligent tag system based on the RFID technology according to claim 1 is characterized in that: all be provided with the scrambled recognition unit in described card reader and the RFID label.
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| CN2010201102264U CN201662817U (en) | 2010-02-09 | 2010-02-09 | Low-power-consumption intelligent label system based on RFID technology |
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| CN2010201102264U CN201662817U (en) | 2010-02-09 | 2010-02-09 | Low-power-consumption intelligent label system based on RFID technology |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102208041A (en) * | 2011-04-18 | 2011-10-05 | 电子科技大学 | RFID data acquisition method having interruption tolerance capability |
| CN102270360A (en) * | 2011-04-08 | 2011-12-07 | 深圳职业技术学院 | System for controlling vehicle entering and leaving and a method thereof |
| CN102306267A (en) * | 2011-08-05 | 2012-01-04 | 苏州汉朗光电有限公司 | Low-power-consumption electronic tag system |
| CN102509144A (en) * | 2011-10-10 | 2012-06-20 | 吴江天朗电子科技有限公司 | Ultrahigh-frequency label system and communication method thereof |
| CN103257595A (en) * | 2012-02-16 | 2013-08-21 | 上海亿识电子信息有限公司 | One-time tamper-proof RFID temperature and humidity recording and transmitting device for cold-chain logistics |
| CN104331727A (en) * | 2014-11-26 | 2015-02-04 | 上海爱信诺航芯电子科技有限公司 | Radio frequency identification location system and method thereof |
| CN104732614A (en) * | 2013-12-18 | 2015-06-24 | 同方锐安科技有限公司 | Access device for encrypting wiegand protocol signal and encryption and decryption method thereof |
| CN107016434A (en) * | 2017-05-18 | 2017-08-04 | 福建时雨科技有限公司 | A kind of electronic tag based on LPWAN and RFID technique |
| WO2019180720A1 (en) * | 2018-03-22 | 2019-09-26 | Timestamp Ltd. | Ultra-low power circuit for an event-recording smart label |
| CN110659531A (en) * | 2018-09-26 | 2020-01-07 | 湖北用芯物联科技有限公司 | Semi-active RFID electronic tag system and method |
| CN112066449A (en) * | 2020-09-15 | 2020-12-11 | 美的集团武汉制冷设备有限公司 | Air conditioner, control method, operation control device and computer storage medium |
| CN114822009A (en) * | 2022-05-19 | 2022-07-29 | 深圳猎吧科技有限公司 | Shared electric bicycle parking system and parking method based on RFID technology |
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2010
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102270360B (en) * | 2011-04-08 | 2013-10-30 | 深圳职业技术学院 | System for controlling vehicle entering and leaving and method thereof |
| CN102270360A (en) * | 2011-04-08 | 2011-12-07 | 深圳职业技术学院 | System for controlling vehicle entering and leaving and a method thereof |
| CN102208041A (en) * | 2011-04-18 | 2011-10-05 | 电子科技大学 | RFID data acquisition method having interruption tolerance capability |
| CN102306267A (en) * | 2011-08-05 | 2012-01-04 | 苏州汉朗光电有限公司 | Low-power-consumption electronic tag system |
| CN102306267B (en) * | 2011-08-05 | 2014-04-16 | 苏州汉朗光电有限公司 | Low-power-consumption electronic tag system |
| CN102509144A (en) * | 2011-10-10 | 2012-06-20 | 吴江天朗电子科技有限公司 | Ultrahigh-frequency label system and communication method thereof |
| CN103257595A (en) * | 2012-02-16 | 2013-08-21 | 上海亿识电子信息有限公司 | One-time tamper-proof RFID temperature and humidity recording and transmitting device for cold-chain logistics |
| CN103257595B (en) * | 2012-02-16 | 2016-03-16 | 上海亿识电子信息有限公司 | For disposable anti-tamper RFID humiture record and the transmitting device of Cold Chain Logistics |
| CN104732614A (en) * | 2013-12-18 | 2015-06-24 | 同方锐安科技有限公司 | Access device for encrypting wiegand protocol signal and encryption and decryption method thereof |
| CN104331727A (en) * | 2014-11-26 | 2015-02-04 | 上海爱信诺航芯电子科技有限公司 | Radio frequency identification location system and method thereof |
| CN107016434A (en) * | 2017-05-18 | 2017-08-04 | 福建时雨科技有限公司 | A kind of electronic tag based on LPWAN and RFID technique |
| WO2019180720A1 (en) * | 2018-03-22 | 2019-09-26 | Timestamp Ltd. | Ultra-low power circuit for an event-recording smart label |
| CN110659531A (en) * | 2018-09-26 | 2020-01-07 | 湖北用芯物联科技有限公司 | Semi-active RFID electronic tag system and method |
| CN112066449A (en) * | 2020-09-15 | 2020-12-11 | 美的集团武汉制冷设备有限公司 | Air conditioner, control method, operation control device and computer storage medium |
| CN114822009A (en) * | 2022-05-19 | 2022-07-29 | 深圳猎吧科技有限公司 | Shared electric bicycle parking system and parking method based on RFID technology |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101201 Termination date: 20120209 |