CN201707686U - Ultrahigh frequency RFID reader-writer module - Google Patents
Ultrahigh frequency RFID reader-writer module Download PDFInfo
- Publication number
- CN201707686U CN201707686U CN2010202421430U CN201020242143U CN201707686U CN 201707686 U CN201707686 U CN 201707686U CN 2010202421430 U CN2010202421430 U CN 2010202421430U CN 201020242143 U CN201020242143 U CN 201020242143U CN 201707686 U CN201707686 U CN 201707686U
- Authority
- CN
- China
- Prior art keywords
- circuit
- rfid
- radio frequency
- reader module
- chip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Near-Field Transmission Systems (AREA)
Abstract
The utility model discloses an ultrahigh frequency RFID reader-writer module which aims to solve the problem of the compatible use of the reader-writer and mobile phone operation platform. The ultrahigh frequency RFID reader-writer module includes a microwave radio frequency circuit, a base band treatment circuit, and an antenna, the microwave radio frequency circuit and the base band treatment circuit are power supply circuits, the microwave radio frequency circuit and the base band treatment circuit are connected to the mobile phone via an interface circuit; the microwave radio frequency circuit, the base band treatment circuit, and the antenna are arranged on a printed circuit board. Compared with the prior art, the utility model adopts the module structure being small in volume, and integrates the read-write model and the antenna into one-piece being low in cost, the work frequency range of the module is 860-960 MHz, so as to read the electronic label which accords with the protocol of ISO18000-6C and the read-write distance is larger than 3cm; therefore, the module can be imbedded in the mobile phone via an external interface unit to facilitate the compatible use with the mobile phone operation platform.
Description
Technical field
The utility model relates to a kind of radio frequency identification equipment, particularly a kind of super high frequency radio frequency recognition read-write machine module.
Background technology
The effect of the reader/writer module of radio frequency discrimination RFID equipment is to electronic tag launched microwave energy, the work of excited electrons label, say the word simultaneously to electronic tag, electronic tag is obtained microwave energy back reflection signal, read write line carries out demodulation, amplification, decoding and decoding by the echoed signal that electronic tag is reflected to be handled, realize the fixed data of electronic tag stored and reading of data field data, also can rewrite the data in the data field.In radio-frequency recognition system, the working frequency range of read write line is 860～960MHz, can closely read and write the content in the electronic tag that satisfies the ISO18000-6C agreement, and send the information of the electronic tag read and write to radio frequency identification (RFID) terminal.The printing board PCB size of the read write line of prior art is big, power consumption is big, can not be connected use with mobile phone.
Summary of the invention
The purpose of this utility model provides a kind of ultrahigh frequency radio frequency identification (RFID) reader module, and the technical matters that solve is the compatible use of read write line and mobile phone operation platform.
The utility model is by the following technical solutions: a kind of ultrahigh frequency radio frequency identification (RFID) reader module, have microwave radio circuit, baseband processing circuitry and antenna, feed circuit are microwave radio circuit, baseband processing circuitry power supply, and described microwave radio circuit, baseband processing circuitry are connected by interface circuit with mobile phone; Described microwave radio circuit, baseband processing circuitry and antenna are arranged on the printed circuit board.
Microwave radio circuit of the present utility model is made of radiating circuit and receiving circuit.
Radiating circuit of the present utility model constitutes the carrier wave combiner circuit by the external crystal oscillator of RFID chip, the carrier wave combiner circuit through the 1st equilibrate to imbalance converter, directional coupler connects antenna connector.
The signal that the antenna of receiving circuit of the present utility model receives equilibrates to imbalance converter to the RFID chip through directivity coupling mechanism, the 2nd.
Baseband processing circuitry of the present utility model is provided with single-chip microcomputer.
The voltage stabilizing chip of feed circuit of the present utility model is for single-chip microcomputer provides 3V operating voltage, and the chip that boosts provides 5V operating voltage for the RFID chip.
RFID chip of the present utility model adopts AS3990, crystal oscillator adopts S5032-20MHZ, the 1st equilibrates to imbalance converter adopts HHM1522E1, directional coupler adopts RCP890Q10, the 2nd equilibrates to imbalance converter adopts HHM1522E1, and single-chip microcomputer adopts C8051F930-920, and the voltage stabilizing chip adopts XC6209FP302, the chip that boosts adopts XC9119D10AM, and interface circuit adopts SN74LVC1G08DBV.
The working frequency range of ultrahigh frequency radio frequency identification (RFID) reader module of the present utility model is 860MHz～960MHz.
Antenna of the present utility model is made up of the stupalith of high-k height, and antenna volume is no more than 10mm * 3mm * 1mm.
The volume of ultrahigh frequency radio frequency identification (RFID) reader module of the present utility model is no more than 31mm * 27.5mm * 5mm.
The utility model compared with prior art adopts integrated circuit (IC) chip, modular organization, volume is little, and module for reading and writing and antenna integrated design are of a size of: 31mm * 27.5mm * 5mm, antenna size is: 10mm * 3mm * 1mm, cost is low, and working frequency range is 860～960MHz, the read-write electronic tag that meets the ISO18000-6C agreement, reading/writing distance is greater than 3cm, by the external interface unit, module is directly embedded in the mobile phone, and convenient and mobile phone operation platform is compatible to be used.
Description of drawings
Fig. 1 is a microwave radio module circuit diagram of the present utility model.
Fig. 2 is the circuit diagram of decoding of the present utility model and protocol processes.
Fig. 3 is peripheral interface circuit figure of the present utility model.
Fig. 4 is the circuit diagram of feed circuit of the present utility model.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail.Ultrahigh frequency radio frequency identification (RFID) reader module of the present utility model is made up of microwave radio circuit, baseband processing circuitry, feed circuit, antenna, mobile phone and interface circuit.The microwave radio circuit is made of radiating circuit and receiving circuit.
The function of microwave radio circuit is: the emission radio-frequency carrier, by carrier wave microwave energy active electron label, and the data information transfer that will be modulated to carrier wave is given electronic tag.Receive the data message that electronic tag returns simultaneously.For the electronic tag that meets ISO 18000-6C agreement, the AS3990 chip of microwave radio part is not only finished modulating/demodulating, the shaping of data, also can start the lower layer protocol processor of its chip internal, finishes the encoding and decoding of label data.
The function of baseband processing circuitry is: data protocol is handled, is communicated by letter with PCT.
As shown in Figure 1, the microwave radio circuit is divided into radiating circuit and receiving circuit.The RFID chip U200AS3990 of radiating circuit is built-in with voltage controlled oscillator and phase-locked loop circuit, and the external crystal oscillator X200S5032-20MHZ of U200 constitutes the carrier wave combiner circuit.Signal after carrier wave is synthetic amplifies through U200 chip internal buffering, export to the 1st balance end that equilibrates to imbalance converter W201HHM1522E1 by 32,33 pin of U200 chip, be 3,4 pins of W201, the output of W201 i.e. 1 pin i.e. 1 pin of input end that is connected to directional coupler W202 HHM1522E1, and the output terminal of directional coupler i.e. 2 pin connects antenna connector.The receiving cable of signal in directivity coupling mechanism W202, the 2nd equilibrates to imbalance converter W200 HHM1522E1 to U200 that the antenna of receiving circuit receives, receiving cable is balanced mixing circuit, filtering circuit and digital shaping circuit, and the working frequency range of radio-frequency module is 860MHz～960MHz.
As shown in Figures 2 and 3, single-chip microprocessor MCU C8051F930-920, and peripheral circuit forms the baseband processing circuitry unit jointly, and the parallel port output/input I/O (0:7) of AS3990 is corresponding with single-chip microcomputer P1.0～P1.7 mouth to link to each other, and builds the passage of radio frequency part and baseband portion.47, the 48 pin output of U200 meets the data of ISO 18000-6C agreement, after the AS3990 decoding, directly send single-chip microcomputer to handle by the P1 mouth, when outwards sending data, is an above-mentioned inverse process.
When mobile phone when single-chip microcomputer sends data, the data in mobile phone transmit port is given the BB_TXD pin of interface circuit U3 SN74LVC1G08DBV through 2 human hair combing wastes of connector CN1, drives through U3 and amplifies the back outputs to single-chip microcomputer U2 from 4 pin of U3 27 pin.When single-chip microcomputer when mobile phone sends data, from 27 pin of single-chip microcomputer U2 1 pin, arrive the Data Receiving port of mobile phone again through connector CN1.
As shown in Figure 4, feed circuit are MCU, RFID chip U200 power supply.Wherein, the operating voltage of MCU is 3V, and by exporting after the voltage stabilizing chip U1 XC6209FP302 voltage stabilizing, the operating voltage of RFID chip is 5V, and chip U4XC9119D10AM and peripheral circuit are formed by boosting.
Described antenna is made up of the stupalith of high-k, and antenna volume is no more than 10mm * 3mm * 1mm.
The working frequency range of microwave radio circuit of the present utility model is 860MHz～960MHz, by the operating platform of mobile phone, the ultrahigh frequency radio frequency identification (RFID) reader module is read and write control.
Ultrahigh frequency RFID module for reading and writing of the present utility model adopts microwave radio circuit, baseband processing circuitry and antenna integrated being arranged on the printed circuit board PCB, and ultrahigh frequency RFID module for reading and writing volume is no more than 31mm * 27.5mm * 5mm.
The course of work of the present utility model: energized, after opening the ultrahigh frequency radio frequency identification (RFID) reader module and enabling, the each several part circuit is started working, the ultrahigh frequency radio frequency identification (RFID) reader module is carried out corresponding actions according to the instruction that the mobile phone operation platform sends, mobile phone is by the BB_TXD port of U3 and TX and the MCU communication of U3, under the function menu control of mobile phone, when read-write ISO 18000-6C electronic tag, MCU starts the carrier wave combiner circuit of the inside of RFID chip U200, radio-frequency power amplifier, encoding and decoding and reception/radiating circuit, entire circuit enters duty, the data of encoding and decoding are interaction process between MCU and RFID chip, simultaneously MCU uploads to the processor of mobile phone with data by U3, and the display screen that utilizes mobile phone shows the information of electronic tag.
Claims (10)
1. ultrahigh frequency radio frequency identification (RFID) reader module, have microwave radio circuit, baseband processing circuitry and antenna, feed circuit are microwave radio circuit, baseband processing circuitry power supply, and it is characterized in that: described microwave radio circuit, baseband processing circuitry are connected by interface circuit (U3) with mobile phone; Described microwave radio circuit, baseband processing circuitry and antenna are arranged on the printed circuit board.
2. ultrahigh frequency radio frequency identification (RFID) reader module according to claim 1 is characterized in that: described microwave radio circuit is made of radiating circuit and receiving circuit.
3. ultrahigh frequency radio frequency identification (RFID) reader module according to claim 2, it is characterized in that: described radiating circuit constitutes the carrier wave combiner circuit by the external crystal oscillator of RFID chip (U200) (X200), the carrier wave combiner circuit through the 1st equilibrate to imbalance converter (W201), directional coupler (W202) connects antenna connector.
4. ultrahigh frequency radio frequency identification (RFID) reader module according to claim 2 is characterized in that: the signal that the antenna of described receiving circuit receives equilibrates to imbalance converter (W200) to RFID chip (U200) through directivity coupling mechanism (W202), the 2nd.
5. according to each described ultrahigh frequency radio frequency identification (RFID) reader module in the claim 1 to 4, it is characterized in that: described baseband processing circuitry is provided with single-chip microcomputer (MCU).
6. ultrahigh frequency radio frequency identification (RFID) reader module according to claim 5 is characterized in that: the voltage stabilizing chip (U1) of described feed circuit provides 3V operating voltage for single-chip microcomputer (MCU), and the chip that boosts (U4) provides 5V operating voltage for the RFID chip.
7. ultrahigh frequency radio frequency identification (RFID) reader module according to claim 6, it is characterized in that: described RFID chip (U200) adopts AS3990, crystal oscillator (X200) adopts S5032-20MHZ, the 1st equilibrates to imbalance converter (W201) adopts HHM1522E1, directional coupler (W202) adopts RCP890Q10, the 2nd equilibrates to imbalance converter (W200) adopts HHM1522E1, single-chip microcomputer adopts C8051F930-920, voltage stabilizing chip (U1) adopts XC6209FP302, the chip (U4) that boosts adopts XC9119D10AM, and interface circuit (U3) adopts SN74LVC1G08DBV.
8. ultrahigh frequency radio frequency identification (RFID) reader module according to claim 7 is characterized in that: the working frequency range of described ultrahigh frequency radio frequency identification (RFID) reader module is 860MHz～960MHz.
9. ultrahigh frequency radio frequency identification (RFID) reader module according to claim 8 is characterized in that: described antenna is made up of the stupalith of high-k height, and antenna volume is no more than 10mm * 3mm * 1mm.
10. ultrahigh frequency radio frequency identification (RFID) reader module according to claim 9 is characterized in that: the volume of described ultrahigh frequency radio frequency identification (RFID) reader module is no more than 31mm * 27.5mm * 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202421430U CN201707686U (en) | 2010-06-28 | 2010-06-28 | Ultrahigh frequency RFID reader-writer module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202421430U CN201707686U (en) | 2010-06-28 | 2010-06-28 | Ultrahigh frequency RFID reader-writer module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201707686U true CN201707686U (en) | 2011-01-12 |
Family
ID=43444842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202421430U Expired - Fee Related CN201707686U (en) | 2010-06-28 | 2010-06-28 | Ultrahigh frequency RFID reader-writer module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201707686U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102446283A (en) * | 2011-12-21 | 2012-05-09 | 中科院杭州射频识别技术研发中心 | Mobile communication terminal integrated with radio frequency identification device (RFID) function |
| CN103366197A (en) * | 2012-03-30 | 2013-10-23 | 台扬科技股份有限公司 | RFID reader/writer and assembly thereof |
| CN103729668A (en) * | 2014-01-14 | 2014-04-16 | 北京工业大学 | Multi-interface protocol communication supported ultrahigh frequency RFID (Radio Frequency Identification) reader-writer |
-
2010
- 2010-06-28 CN CN2010202421430U patent/CN201707686U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102446283A (en) * | 2011-12-21 | 2012-05-09 | 中科院杭州射频识别技术研发中心 | Mobile communication terminal integrated with radio frequency identification device (RFID) function |
| CN103366197A (en) * | 2012-03-30 | 2013-10-23 | 台扬科技股份有限公司 | RFID reader/writer and assembly thereof |
| CN103729668A (en) * | 2014-01-14 | 2014-04-16 | 北京工业大学 | Multi-interface protocol communication supported ultrahigh frequency RFID (Radio Frequency Identification) reader-writer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102999776B (en) | There are the contact-free integrated circuits of NFC and UHF operator scheme | |
| JP4022532B2 (en) | Mobile terminal circuit incorporating radio frequency identification tag and radio identification method in the mobile terminal | |
| CN107092949B (en) | Smart card performance enhancement circuit and system | |
| US8085130B2 (en) | Radio frequency identification tag | |
| WO2009127158A1 (en) | Signal enhancer chip for radio frequency identification system and signal enhancer | |
| WO2006103510A1 (en) | Radio frequency identification device | |
| CN101908157B (en) | NFC-SIM (Near Field Communication-Subscriber Identity Module) chip | |
| WO2009127157A1 (en) | Sim card chip with radio frequency recognition function | |
| US9004360B2 (en) | Contactless communication via a plurality of interfaces | |
| CN201716739U (en) | Small ultra-high frequency integral RFID reader | |
| CN201707686U (en) | Ultrahigh frequency RFID reader-writer module | |
| CN201374070Y (en) | Ultrahigh frequency RFID reader module | |
| CN103971145A (en) | Handheld type Internet of Things terminal | |
| CN104022768A (en) | Passive magnetic induction button device | |
| CN202110567U (en) | Ultrahigh-frequency RFID (Radio Frequency Identification) reader-writer and corresponding mobile terminal | |
| CN201111095Y (en) | UHF radio frequency recognizing read-write machine | |
| CN202720662U (en) | RFID reader-writer module for handheld device and handheld device thereof | |
| CN101964067A (en) | Wireless communication card, contactless card reading device and wireless communication system | |
| CN203838734U (en) | Hand-held type internet of things terminal | |
| CN108470202A (en) | A kind of double interface non-contact card systems of NFC- bluetooths | |
| CN203414989U (en) | Intelligent storage card and system thereof | |
| CN208156678U (en) | A kind of hyperfrequency module for reading and writing based on R2000 chip | |
| CN202838388U (en) | Mobile phone subscriber identity module supportive to inductive coupling and radio frequency tag | |
| CN102256018A (en) | Mobile phone with integrated RFID (Radio Frequency Identification) function and communication method thereof | |
| CN203070320U (en) | Reading-writing module for handheld type RFID reading-writing device and reading-writing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110112 Termination date: 20180628 |