CN103258221A - Ultrahigh-frequency reader-writer - Google Patents
Ultrahigh-frequency reader-writer Download PDFInfo
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- CN103258221A CN103258221A CN2013101956107A CN201310195610A CN103258221A CN 103258221 A CN103258221 A CN 103258221A CN 2013101956107 A CN2013101956107 A CN 2013101956107A CN 201310195610 A CN201310195610 A CN 201310195610A CN 103258221 A CN103258221 A CN 103258221A
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Abstract
The invention discloses an ultrahigh-frequency reader-writer which comprises a control unit, an ultrahigh-frequency reading and writing unit and a Bluetooth wireless unit. The control unit is connected with the ultrahigh-frequency reading and writing unit and the Bluetooth wireless unit, and the control unit is used for packing data information transmitted by the ultrahigh-frequency reading and writing unit and transmitting the packed data information to the Bluetooth wireless unit. The ultrahigh-frequency reading and writing unit comprises an antenna, a system clock generator, a phase-locked loop retain circuit, a modulator circuit and a demodulator circuit, and the ultrahigh-frequency reading and writing unit is used for transmitting card reading signals transmitted by the control unit and receiving returned data information. The Bluetooth wireless unit comprises a base band unit, a radio frequency unit and a microstrip antenna, base band unit is used for processing the data information transmitted by the control unit and transmitting the data information to the radio frequency unit, and the microstrip antenna is used for receiving radio-frequency signals transmitted by the radio frequency unit and transmitting the radio-frequency signals. The ultrahigh-frequency reader-writer is easy to implement, transmission efficiency is improved, and the amount of manual operation is reduced.
Description
Technical field
The invention belongs to the REID field, be specifically related to a kind of design of the ultrahigh frequency reader-writer based on Bluetooth wireless transmission.
Background technology
In the industry spot automation field, the traditional electronic tag of general employing carries out the transmission of data and the collection of field data, but tradition read-write electronic label reader is carrying out the data transmission, is all adopting wired mode to carry out communication when data acquisition is equal with host computer, if field apparatus is more, distance is far away, need to read and write electronic tag so at every turn and all will move image data to entire equipment, cause artificial workload to increase, loaded down with trivial details circuit also can influence operation and cause great inconvenience, make the collecting efficiency of data message low, also unstable.
Summary of the invention
Technical matters to be solved by this invention provides a kind of efficient height, the high ultrahigh frequency reader-writer based on Bluetooth wireless transmission of dirigibility.
The technical scheme that the present invention solves its technical matters employing is: a kind of ultrahigh frequency reader-writer, comprise control module, ultrahigh frequency read-write cell and blue teeth wireless unit, described control module is connected with the blue teeth wireless unit with the ultrahigh frequency read-write cell, and described control module is transferred to the blue teeth wireless unit for the data message of ultrahigh frequency read-write cell transmission is packed; Described ultrahigh frequency read-write cell comprises antenna, system clock generator, phase-locked loop circuit, modulation circuit and demodulator circuit, and described ultrahigh frequency read-write cell is used for the Card Reader signal of sending controling unit transmission and the data message that reception is passed back; Described blue teeth wireless unit comprises Base Band Unit, radio frequency unit and microstrip antenna, described Base Band Unit is for the treatment of the data message of control module transmission, and with data information transfer to radio frequency unit, described microstrip antenna is used for the radiofrequency signal of received RF unit transmission, and sends radiofrequency signal.
Further, described control module adopts MCU microcontroller processor.
Further, described control module also comprises serial device interfaces SPI and/or input/output port GPIO able to programme.
Further, the frequency of operation of described ultrahigh frequency read-write cell is at 840～960MHz wave band.
Beneficial effect of the present invention: the present invention is based on the ultrahigh frequency reader-writer of Bluetooth wireless transmission by adopting the blue teeth wireless unit and forming transmission network jointly with other bluetooth equipment, mutual biography with host computer realization data, the device letter is answered and is easy to realize, and improved transfer efficiency, reduced the manually-operated amount.
Description of drawings
Fig. 1 is the structured flowchart of a kind of ultrahigh frequency reader-writer of the embodiment of the invention;
Fig. 2 is the connection diagram of ultrahigh frequency read-write cell and control module in a kind of ultrahigh frequency reader-writer of the embodiment of the invention;
Fig. 3 is the connection diagram of bluetooth radio-cell and control module in a kind of ultrahigh frequency reader-writer of the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are further described.
Be illustrated in figure 1 as the structured flowchart of a kind of ultrahigh frequency reader-writer of the embodiment of the invention, it comprises control module, ultrahigh frequency read-write cell and blue teeth wireless unit, described control module is connected with the blue teeth wireless unit with the ultrahigh frequency read-write cell, and described control module is transferred to the blue teeth wireless unit for the data message of ultrahigh frequency read-write cell transmission is packed; Described ultrahigh frequency read-write cell comprises antenna, system clock generator, phase-locked loop circuit, modulation circuit and demodulator circuit, and described ultrahigh frequency read-write cell is used for the Card Reader signal of sending controling unit transmission and the data message that reception is passed back; Described blue teeth wireless unit comprises Base Band Unit, radio frequency unit and microstrip antenna, described Base Band Unit is for the treatment of the data message of control module transmission, and with data information transfer to radio frequency unit, described microstrip antenna is used for the radiofrequency signal of received RF unit transmission, and sends radiofrequency signal.A kind of ultrahigh frequency reader-writer based on Bluetooth wireless transmission of the present invention is realized passing mutually with the data of host computer by adopting the blue teeth wireless unit, has simplified practical operation, has improved transfer efficiency, and the dirigibility of work also is improved.
Be illustrated in figure 2 as the connection diagram of ultrahigh frequency read-write cell and control module in a kind of ultrahigh frequency reader-writer of the embodiment of the invention, described ultrahigh frequency read-write cell comprises compositions such as antenna, system clock generator, phase-locked loop circuit, modulation circuit, demodulator circuit, microprocessor, storer and Peripheral Interface; Application program sends the Card Reader steering order to control module, by control module with signal send to modulation circuit signal loading on the carrier signal that is produced by PLL, finally by antenna the Card Reader signal is sent; Electronic tag turns back to antenna to storing data information and receives, and through demodulator circuit the feeble signal demodulation of receiving is sent back to control module, and control module returns data to application program by communication interface after handling.Described ultrahigh frequency read-write cell adopts RFID specialized simulation circuit design technique, and the combined digital signal treatment technology is positioned high-end applications, and the API under windows and the windows mobile operating system can be provided, and makes things convenient for the user to develop.
Fig. 3 is the connection diagram of bluetooth radio-cell and control module in a kind of ultrahigh frequency reader-writer of the embodiment of the invention; Described blue teeth wireless unit comprises Base Band Unit, radio frequency unit and microstrip antenna, wherein Base Band Unit and radio frequency unit have constituted the wireless transmit parts, finish functions such as channel allocation, link establishment, control packet, the final data information translation becomes wireless signal to launch by microstrip antenna.Described Base Band Unit is the link control unit of Bluetooth wireless communication agreement, reception is from signal and the data of control module, send to radio frequency unit after the conversion, described blue teeth wireless unit links to each other with control module by its internal serial bus URAT and carries out data transmission, is used for carrying out the transmission of Bluetooth wireless communication agreement and ultrahigh frequency read-write cell image data.
Wherein, the frequency of operation of described ultrahigh frequency read-write cell is at 840～960MHz wave band, design and combined digital signal treatment technology by RFID specialized simulation circuit, realize the collection of data and the typing of data, in the application of reality, described ultrahigh frequency read-write cell can have the antenna self-adaptive function, and the label UII working area of built-in 16K, to reach the high efficiency of transfer rate.Described control module adopts MCU microcontroller processor, and described MCU is transferred to the blue teeth wireless unit after ultrahigh frequency read-write cell electrons transmitted label information is handled through a series of data such as encryption packings.Described blue teeth wireless unit is by its inner microcontroller operation blue tooth wireless communication agreement, the function of bluetooth inquiry, coupling, connection, data transmission etc. is provided, and by setting up Radio Link and other bluetooth equipments formation wireless-transmission network, realize the data inter-transmission function with host computer.
The concrete course of work of a kind of ultrahigh frequency reader-writer of the present invention is: described control module adopts MCU microcontroller processor, be connected with the blue teeth wireless unit with the ultrahigh frequency read-write cell by the UART universal serial bus respectively, when the ultrahigh frequency read-write cell collects electronic tag data, UART1 transfers data to MCU by serial ports, a series of data such as the data of MCU are stored, encryption are handled, send to the blue teeth wireless unit through UART2 then, realized the data acquisition of on-the-spot electronic tag again by blue teeth wireless unit and upper machine communication.
Claims (4)
1. ultrahigh frequency reader-writer, comprise control module, ultrahigh frequency read-write cell and blue teeth wireless unit, described control module is connected with the blue teeth wireless unit with the ultrahigh frequency read-write cell, and described control module is transferred to the blue teeth wireless unit for the data message of ultrahigh frequency read-write cell transmission is packed; It is characterized in that: described ultrahigh frequency read-write cell comprises antenna, system clock generator, phase-locked loop circuit, modulation circuit and demodulator circuit, and described ultrahigh frequency read-write cell is used for the Card Reader signal of sending controling unit transmission and the data message that reception is passed back; Described blue teeth wireless unit comprises Base Band Unit, radio frequency unit and microstrip antenna, described Base Band Unit is for the treatment of the data message of control module transmission, and with data information transfer to radio frequency unit, described microstrip antenna is used for the radiofrequency signal of received RF unit transmission, and sends radiofrequency signal.
2. a kind of ultrahigh frequency reader-writer as claimed in claim 1 is characterized in that, described control module adopts MCU microcontroller processor.
3. a kind of ultrahigh frequency reader-writer as claimed in claim 1 is characterized in that, described control module also comprises serial device interfaces SPI and/or input/output port GPIO able to programme.
4. as the described a kind of ultrahigh frequency reader-writer of each claim of claim 1 to 3, it is characterized in that the frequency of operation of described ultrahigh frequency read-write cell is at 840～960MHz wave band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101956107A CN103258221A (en) | 2013-05-23 | 2013-05-23 | Ultrahigh-frequency reader-writer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101956107A CN103258221A (en) | 2013-05-23 | 2013-05-23 | Ultrahigh-frequency reader-writer |
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| CN103258221A true CN103258221A (en) | 2013-08-21 |
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| CN2013101956107A Pending CN103258221A (en) | 2013-05-23 | 2013-05-23 | Ultrahigh-frequency reader-writer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104820846A (en) * | 2014-01-31 | 2015-08-05 | 合肥博焱智能科技有限公司 | Ultrahigh frequency RFID reader-writer device and channel hopping method |
| CN105139052A (en) * | 2015-09-25 | 2015-12-09 | 中京复电(上海)电子科技有限公司 | Read-write device research and development device applicable for ultrahigh frequency radio frequency identification |
| CN107027097A (en) * | 2017-06-05 | 2017-08-08 | 智坤（江苏）半导体有限公司 | A kind of ultrahigh frequency RFID chip and mobile terminal with MANET function |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201867840U (en) * | 2010-11-01 | 2011-06-15 | 深圳市万全智能技术有限公司 | UHF (ultra-high frequency) portable RFID (radio frequency identification device) reader-writer |
| CN202217297U (en) * | 2011-09-02 | 2012-05-09 | 深圳市远望谷信息技术股份有限公司 | Radio frequency identification reading-writing device |
-
2013
- 2013-05-23 CN CN2013101956107A patent/CN103258221A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201867840U (en) * | 2010-11-01 | 2011-06-15 | 深圳市万全智能技术有限公司 | UHF (ultra-high frequency) portable RFID (radio frequency identification device) reader-writer |
| CN202217297U (en) * | 2011-09-02 | 2012-05-09 | 深圳市远望谷信息技术股份有限公司 | Radio frequency identification reading-writing device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104820846A (en) * | 2014-01-31 | 2015-08-05 | 合肥博焱智能科技有限公司 | Ultrahigh frequency RFID reader-writer device and channel hopping method |
| CN105139052A (en) * | 2015-09-25 | 2015-12-09 | 中京复电(上海)电子科技有限公司 | Read-write device research and development device applicable for ultrahigh frequency radio frequency identification |
| CN107027097A (en) * | 2017-06-05 | 2017-08-08 | 智坤（江苏）半导体有限公司 | A kind of ultrahigh frequency RFID chip and mobile terminal with MANET function |
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Application publication date: 20130821 |