CN203242003U - RFID device based on audio port communication - Google Patents
RFID device based on audio port communication Download PDFInfo
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- CN203242003U CN203242003U CN 201320237962 CN201320237962U CN203242003U CN 203242003 U CN203242003 U CN 203242003U CN 201320237962 CN201320237962 CN 201320237962 CN 201320237962 U CN201320237962 U CN 201320237962U CN 203242003 U CN203242003 U CN 203242003U
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Abstract
The utility model discloses an RFID device based on an audio port communication. The RFID device supports uses of smart phones, tablet PCs and other mobile devices, and comprises a housing, wherein a circuit board is arranged in the housing and is provided with an one-chip microcomputer MCU, a radio frequency communication chip, a radio frequency crystal oscillator circuit, a radio frequency antenna and a charging chip, the housing is provided with an audio plug and rechargeable lithium batteries, the one-chip microcomputer MCU is respectively connected with the radio frequency communication chip, the charging chip and the audio plug, the radio frequency communication chip is respectively connected with the radio frequency antenna and the radio frequency crystal oscillator circuit, and the radio frequency communication chip can be used for reading radio-frequency card information and also as a common radio-frequency card. The RFID device, through communication integrating with the smart phones, the tablet PCs and other mobile devices, can swipe mobile and fixed radio-frequency cards anytime and anywhere, so as to complete identity recognition, equipment inspection, financial payment and other management and financial services, and has characteristics of strong mobility, convenience, fastness and safety.
Description
Technical field
The utility model relates to a kind of RFID equipment based on audio port communication, is a kind of audio interface and RFID radio-frequency card or RFID card reader messaging device of carrying out message exchange that can be by smart mobile phone, panel computer.
Background technology
Along with the application and development of Internet of Things in all trades and professions, the RFID technology has played indispensable effect as the information terminal of technology of Internet of things.Present RFID identifying is divided into two kinds of forms, and the first is that the radio-frequency card fixed reader moves, for example the equipment routing inspection field.The second is that card reader fixed RF card moves, for example public transport IC card field.But, along with the RFID technology use increasingly extensive, the RFID applied field credit union of certain industry increases gradually, same industry even individual have so just occurred and use the situations of overlapping rfid systems more under same occasion.This carries out to efficient work and brings barrier so that the RFID equipment of carrying increases, and gives life the convenient and swift drawback of bringing.
Summary of the invention
For the RFID equipment that overcomes in work and the life mixes the inconvenience that use brings, the utility model provides a kind of RFID equipment based on audio port communication, this equipment not only can cooperate the corresponding software of smart mobile phone, panel computer that the radio frequency card is read and process operation as the card reader of radio-frequency card, and can be read by other equipment as radio-frequency card.
The technical scheme that its technical matters that solves the utility model adopts is as follows:
A kind of RFID equipment based on audio port communication, support the use with smart mobile phone, panel computer, comprise housing, be provided with circuit board in the housing, be provided with single-chip microprocessor MCU, radio communication chip, radio frequency crystal oscillating circuit, radio-frequency antenna, charging chip on the circuit board, be provided with audio jack on the housing, finish being connected of the audio sockets by audio jack and smart mobile phone, panel computer and the communicating by letter of smart mobile phone, panel computer, be provided with chargeable lithium cell in the housing; Described single-chip microprocessor MCU and radio-frequency communication module by serial ports be connected, described single-chip microprocessor MCU and charging chip by the IO mouth be connected, described single-chip microprocessor MCU is connected by the IO mouth with audio jack, described radio communication chip is connected respectively with radio-frequency antenna and radio frequency crystal oscillating circuit.Described audio jack can be used as communication interface and smart mobile phone, panel computer communicate.Be connected by the UART mouth between described single-chip microprocessor MCU and the radio-frequency communication module, be connected by the IO mouth between described single-chip microprocessor MCU and the audio jack.Described radio communication chip and antenna can be used as card reader and radio-frequency card uses.
Smart mobile phone, the software kit of installing on the panel computer sends the simulating signal of characteristic frequency by the earphone end of audio port according to command code, signal is through behind shaping filter, carry out digitized processing through the inside modules single-chip microprocessor MCU and form square-wave signal, and obtain corresponding command code by the mode of obtaining and resolve the square-wave signal frequency, single-chip microprocessor MCU drives radio-frequency communication module according to the command code that parses, send radiofrequency signal by antenna, rfid card to the outside carries out read operation, single-chip microcomputer will carry out command code from the radio-frequency card information that radio-frequency communication module obtains, and the microphone end by audio jack sends to portable terminal and carries out the analysis judgment operation for the software kit of its installation.When using as rfid card, connect module power supply circuit when the inside modules sensor circuit receives outside card reader activation signal and use the modular battery power supply, finish the Card Reader operation of outside card-reading apparatus by radio-frequency module and antenna.
The beneficial effects of the utility model are, can be used as a card reader, under the work of supporting smart mobile phone, panel computer software, by the universal audio socket radio frequency card is carried out the information read operation, and can be used as a radio-frequency card and read by other card reader.Can effectively increase the dirigibility of RFID card-reading apparatus.The utility model RFID equipment and smart mobile phone, panel computer support the use, and do not transform portable terminal, not limited by the portable terminal model.
Below by drawings and Examples, technical solutions of the utility model are described in further detail.
Description of drawings
Fig. 1 is structure principle chart of the present utility model.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein only is used for explanation and understands the utility model, and be not used in restriction the utility model.
Shown in Fig. 1, the RFID equipment based on audio port communication of the present utility model is with smart mobile phone, panel computer
Support the use, comprise housing (directly not illustrating among the figure), be provided with circuit board in the housing, be provided with single-chip microprocessor MCU, radio communication chip, radio frequency crystal oscillating circuit, radio-frequency antenna, charging chip on the circuit board, be provided with audio jack on the housing, be provided with chargeable lithium cell in the housing; Described single-chip microprocessor MCU is connected respectively with radio communication chip, charging chip and audio jack, and described radio communication chip is connected respectively with radio-frequency antenna and radio frequency crystal oscillating circuit.Wherein the radio communication chip both can read radio-frequency card information and also can be used as common radio-frequency card use.The identification to the portable terminal output command is finished in whole ripple and the decoding of the simulating signal that by the IO Interface realization portable terminal is sended between single-chip microprocessor MCU and the audio jack; Be connected the processing that realizes the radio-frequency card information that reads to the control of radio-frequency communication module with to radio-frequency communication module by the UART mouth between single-chip microprocessor MCU and the radio-frequency communication module; Be connected the control that realizes the chargeable lithium cell charging by the IO mouth between single-chip microprocessor MCU and the charging chip.
RFID equipment of the present utility model, wherein the function of each ingredient is as follows:
Single-chip microprocessor MCU: as RFID circuitry plate core component, organize other each modules to carry out work.Centralized stores receives and sends the primary control program (PCP) of instruction, control radio-frequency communication module and received RF communication module Card Reader information and control charging chip in MCU Flash.MCU adopts the PIC single-chip microcomputer, and MPLAB software is adopted in writing of MCU program, and the ICD2 external member is adopted in the programming of MCU program.
Audio jack: by four section audio plug constructions, audio port formation audio frequency output and audio input channel with smart mobile phone, panel computer form information interaction passage with single-chip microprocessor MCU.
The radio communication chip: the radio communication chip adopts the FM1920 chip, cooperates peripheral antenna to finish read operation to radio-frequency card, and communicates by letter with single-chip microprocessor MCU by the UART mouth, receives MCU Instruction and transmission radio-frequency card information.
Charging module: charging chip is connected by the IO mouth with single-chip microprocessor MCU, the charging complement mark position of single-chip microcomputer Real-Time Monitoring charging chip in the charging process, and the LED lamp of apparatus for lighting is pointed out when charging is finished.
It should be noted that at last: the above only is preferred embodiment of the present utility model, be not limited to the utility model, although with reference to previous embodiment the utility model is had been described in detail, for a person skilled in the art, it still can be made amendment to the technical scheme that previous embodiment is put down in writing, and perhaps part technical characterictic wherein is equal to replacement.All within the utility model spirit and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (4)
1. RFID equipment based on audio port communication, it is characterized in that, support the use with smart mobile phone, panel computer, comprise housing, be provided with circuit board in the housing, be provided with single-chip microprocessor MCU, radio communication chip, radio frequency crystal oscillating circuit, radio-frequency antenna, charging chip on the circuit board, be provided with audio jack on the housing, be provided with chargeable lithium cell in the housing; Described single-chip microprocessor MCU is connected respectively with radio communication chip, charging chip and audio jack, and described radio communication chip is connected respectively with radio-frequency antenna and radio frequency crystal oscillating circuit.
2. RFID equipment according to claim 1 is characterized in that, described audio jack can be used as communication interface and smart mobile phone, panel computer communicate.
3. RFID equipment according to claim 1 is characterized in that, is connected by the UART mouth between described single-chip microprocessor MCU and the radio-frequency communication module, is connected by the IO mouth between described single-chip microprocessor MCU and the audio jack.
4. RFID equipment according to claim 1 is characterized in that, described radio communication chip and antenna can be used as card reader and radio-frequency card uses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320237962 CN203242003U (en) | 2013-05-06 | 2013-05-06 | RFID device based on audio port communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320237962 CN203242003U (en) | 2013-05-06 | 2013-05-06 | RFID device based on audio port communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203242003U true CN203242003U (en) | 2013-10-16 |
Family
ID=49319276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320237962 Expired - Fee Related CN203242003U (en) | 2013-05-06 | 2013-05-06 | RFID device based on audio port communication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203242003U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104143072A (en) * | 2013-05-06 | 2014-11-12 | 青岛金弘测控技术发展有限公司 | RFID based on audio interface communication |
| CN107944323A (en) * | 2017-12-27 | 2018-04-20 | 唐丙振 | A kind of barcode scanner and its means of communication using audio interface |
-
2013
- 2013-05-06 CN CN 201320237962 patent/CN203242003U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104143072A (en) * | 2013-05-06 | 2014-11-12 | 青岛金弘测控技术发展有限公司 | RFID based on audio interface communication |
| CN107944323A (en) * | 2017-12-27 | 2018-04-20 | 唐丙振 | A kind of barcode scanner and its means of communication using audio interface |
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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 |
Granted publication date: 20131016 Termination date: 20150506 |
|
| EXPY | Termination of patent right or utility model |