CN108108637A - A kind of three-in-one Table top type reader - Google Patents

A kind of three-in-one Table top type reader Download PDF

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Publication number
CN108108637A
CN108108637A CN201611268077.2A CN201611268077A CN108108637A CN 108108637 A CN108108637 A CN 108108637A CN 201611268077 A CN201611268077 A CN 201611268077A CN 108108637 A CN108108637 A CN 108108637A
Authority
CN
China
Prior art keywords
module
main control
control chip
magnetic head
contact
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.)
Pending
Application number
CN201611268077.2A
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Chinese (zh)
Inventor
吴江旭
吴劲
李启文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GUANGZHOU SYSUR DIGITAL SCIENCE AND TECHNOLOGY Inc
GUANGZHOU SYSUR MICROELECTRONICS Inc
Original Assignee
GUANGZHOU SYSUR DIGITAL SCIENCE AND TECHNOLOGY Inc
GUANGZHOU SYSUR MICROELECTRONICS Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by GUANGZHOU SYSUR DIGITAL SCIENCE AND TECHNOLOGY Inc, GUANGZHOU SYSUR MICROELECTRONICS Inc filed Critical GUANGZHOU SYSUR DIGITAL SCIENCE AND TECHNOLOGY Inc
Priority to CN201611268077.2A priority Critical patent/CN108108637A/en
Publication of CN108108637A publication Critical patent/CN108108637A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/0004Hybrid readers

Abstract

A kind of three-in-one Table top type reader provided by the invention, including magnetic head module, non-contact radio-frequency module, main control chip module, ISO7816 peripheral hardwares module and power conversion module;Magnetic head module, non-contact radio-frequency module, ISO7816 peripheral hardwares module and power conversion module are electrically connected respectively with main control chip module;Wherein magnetic head module is used to the data message on magnetic stripe card being converted to analog signal and amplifies output to main control chip module;Non-contact radio-frequency module is used for through the contactless reading IC card information of wireless communication and exports to main control chip module;ISO7816 peripheral hardwares module is used to coordinate the ISO7816 protocols realization of main control chip module to communicate with Contact Type Ic Card information;Power conversion module is supplied to main control chip module and non-contact radio-frequency module for output voltage to be converted to burning voltage;Main control chip module is used to control the interaction and human-computer interaction between each module.The three-in-one Table top type reader compatibility of the present invention is strong, and applicability is wide.

Description

A kind of three-in-one Table top type reader
Technical field
The present invention relates to read-write identification device, magnetic stripe card, contact IC and non-contact IC can be read in more particularly to one kind The three-in-one Table top type reader of card.
Background technology
Magnetic stripe card is a kind of card using magnetic carrier such as magnetic stripe recording information, is used to identify identity or for being used for Other purposes, when use, need to coordinate corresponding reader that could read the information on entry.Magnetic stripe card is because its is of low cost, uses It is convenient that the fields such as finance, business, communication, safety, security are therefore applied to by wide hair.The wherein read-write equipment of its magnetic stripe card is must The indispensable equipment wanted, and it is huge traditional card reader such as ATM machine, POS machine that magnetic stripe card, which usually configures, with shifting The development of dynamic Internet technology, traditional card reader have been unable to meet the use demand of " movement " terminal.
The content of the invention
The present invention proposes that a kind of compatibility for holding reading magnetic stripe card, Contact Type Ic Card and non-contact IC card is strong, removable The wide three-in-one Table top type reader of dynamic and applicability.
The technical proposal of the invention is realized in this way:
A kind of three-in-one Table top type reader, including magnetic head module, non-contact radio-frequency module, main control chip module, ISO7816 peripheral hardwares module and power conversion module;The magnetic head module, non-contact radio-frequency module, ISO7816 peripheries Hardware module and power conversion module are electrically connected respectively with main control chip module;
Wherein described magnetic head module is used to the data message on magnetic stripe card being converted to analog signal and amplifies output to master Control chip module;
The non-contact radio-frequency module is used for through the contactless reading IC card information of wireless communication and exports to master control Chip module;
The ISO7816 peripheral hardwares module is used to that the ISO7816 protocols of main control chip module to be coordinated to realize It communicates with Contact Type Ic Card information;
The power conversion module, which is used to output voltage being converted to burning voltage, to be supplied to main control chip module and non-connects Touch radio-frequency module;
The main control chip module is used to control the interaction and human-computer interaction between each module.
A kind of three-in-one Table top type reader provided by the invention, can read magnetic stripe card information by magnetic head module It takes, the reading of non-contact IC information is carried out by non-contact radio-frequency module, is connect by ISO7816 peripheral hardware modules The reading of touch IC information, by the connection of multiple modules, magnetic stripe card, contact intellective IC card can be completed in same terminal And the read-write of Non-contact Intelligent IC Card, compatibility is strong, and can be suitably used for the multiple fields such as finance, medical treatment, social security, logistics, Have a wide range of application, and realize low-power consumption, the removable compatible characteristic of low cost.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also To obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of three-in-one Table top type reader structure diagram of the present invention;
Fig. 2 is main control chip STM32F103 hardware circuit diagrams of the present invention;
Fig. 3 is the circuit diagram of ISO7816 peripheral hardwares module contact of the present invention.
Fig. 4 is the circuit diagram of power conversion module of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts Embodiment belongs to the scope of protection of the invention.
It refers to Fig. 1 extremely to scheme, 4, a kind of three-in-one Table top type reader, including magnetic head module 1, non-contact radio-frequency module 3rd, main control chip module 2, ISO7816 peripheral hardwares module 5 and power conversion module 4;It is the magnetic head module 1, contactless Radio-frequency module 3, ISO7816 peripheral hardwares module 5 and power conversion module 4 are electrically connected respectively with main control chip module 2;Its Described in magnetic head module 1 be used to the data message on magnetic stripe card being converted to analog signal and amplify output to main control chip module 2;The non-contact radio-frequency module 3 is used for through the contactless reading IC card information of wireless communication and exports to main control chip mould Block 2;The ISO7816 peripheral hardwares module 5 be used for coordinate main control chip module 2 ISO7816 protocols realize with Contact Type Ic Card information communicates;The power conversion module 4 is supplied to master control core for output voltage to be converted to burning voltage Piece module 2 and non-contact radio-frequency module 3;The main control chip module 2 is used to control interaction and the man-machine friendship between each module Mutually.
Preferably, the magnetic head module 1 includes magnetic head, operational amplifier, bleeder circuit and magnetic stripe card information input terminal;Institute It states magnetic stripe card information input terminal to be electrically connected with the magnetic head, the magnetic head passes through the operational amplifier and the main control chip Module 2 is electrically connected, and the bleeder circuit is electrically connected with the operational amplifier.
Preferably, magnetic head is substantially the iron core for being tied with winding coil, and the iron core is by a kind of soft magnetism material of high magnetic capacity Material is made.In the present embodiment, the magnetic head is double track magnetic head, and the operational amplifier is two paths of signals amplifier.
Preferably, the model SSTM093C of the double track magnetic head, the model ADA4692-2 types of the operational amplifier Number, therefore the magnetic head only thickness of 3.5mm can meet the design of structure.In addition, distribution capacity is small, therefore resonant frequency is very It is high.Magnetic head impedance is relatively low, therefore signal-to-noise ratio is also higher, has very strong antijamming capability, DC impedance is about 140 Ω, defeated Go out the peak-to-peak value of signal up to 20 millivolts, operating temperature range is also wider, is -20~65 DEG C.Due to needing to read on magnetic stripe card The information of two magnetic tracks, therefore selected operational amplifier is necessary for two paths of signals amplifier, this is compared with using two lists Not only circuit structure is simple for the operational amplifier of road, easily analysis, performance are higher and of low cost.Selected by the present invention Be ADI companies ADA4692-2 models amplifier, have very high integration and encapsulation it is very compact, power consumption only has 180uA, bandwidth 3.6MHz, operating voltage range 2.7V-5V.Therefore the space of encapsulation can have not only been reduced, but also can realized Integrated compatibility and high efficiency.
Preferably, the main control chip module 2 include main control chip and with main control chip be electrically connected reset circuit, Debug circuit and crystal oscillating circuit.
Referring to Fig. 1 and Fig. 2, it is preferred that the main control chip module 2 uses STM32F103 chips, including ARMCotex-M332 RISC cores, working frequency 72MHz, internal high-speed memories, it is up in the present embodiment The flash memory of 128K bytes and the SRAM (Static RAM, Static RAM) of 20K bytes, abundant enhancing I/O ports and It is connected to the peripheral hardware of two APB buses.The device of all models all includes ADC (the Analog to Digital of 2 12 Converter converters), 3 general 16 bit timing devices and a PWM ((Pulse Width Modulation pulsewidth modulations) Timer, also comprising standard and advanced communication interface:Up to 2 I2C (Inter-Integrated Circuit) and SPI (Serial Peripheral Interface Serial Peripheral Interface (SPI)s), 3 USART (Universal Synchronous), one A USB and CAN (Controller Area Network).And equipped with the UART ((Universal of compatible ISO786 agreements Asynchronous Receiver/Transmitter asynchronous receiving-transmitting transmitters) interface, but UART compares the processing of clock It is weak to strengthen, it is necessary to add in peripheral circuit.Improve reliability.
Preferably, the non-contact radio-frequency module 3 includes radio-frequency antenna, debug circuit, crystal oscillating circuit, non-contact IC Read-write chip and reset circuit;The radio-frequency antenna, debug circuit, crystal oscillating circuit and reset circuit respectively with it is described non-contact Formulas I C read-write chips are electrically connected.
Preferably, the non-contact IC read-write chip is MFRC531.The MFRC531 of use supports ISO/ All layers of IEC14443A/B andClassical protocols and the standard compatible with the standard are also supported at a high speedContactless communication baud rate.Internal transmitter part, which need not increase active circuit, can just directly drive The antenna of operation closely.Receiver part provides a firm and effective demodulation and decoding circuitry, simultaneous for ISO14443A The transponder signal of appearance.Numerical portion handles ISO14443A frames and error detection (Qi Ou &CRC).In addition, it is also supported quickly CRYPTO1 Encryption Algorithm, for verifying MIFARE series of products.There are 8 parallel-by-bits and SPI mode with main-machine communication pattern, therefore User can select different patterns according to different demands, be provided greatly flexibly to the design of reader or read-write terminal Property.
Refer to Fig. 3, it is preferred that the information reading of contact intellective IC card is by 5 He of ISO7816 peripheral hardwares module The UART interface for the compatibility ISO7816 agreements that STM32F103 is carried is engaged completion.ISO7816 peripheral hardwares module 5 is touched Dot circuit meets the position of Contact Type Ic Card contact and size specified in international standard ISO/IEC7816.
Referring to Fig. 4, it is preferred that reading and writing device system provided by the present invention is powered by USB, USB interface 5V, STM32F103 voltages are 2.0V-3.6V, and the co-operation voltage of non-contact radio-frequency chip and main control chip is 3.3V, therefore System is finally powered using 3.3V.System provides a stable 3.3V power supply using LM1117-3.3 voltage stabilizing chips.
A kind of three-in-one Table top type reader provided by the invention, can read magnetic stripe card information by magnetic head module It takes, the reading of non-contact IC information is carried out by non-contact radio-frequency module, is connect by ISO7816 peripheral hardware modules The reading of touch IC information by the connection of multiple modules, uses the chip of a variety of compatibility modes to realize that encapsulation volume is small, Realize the characteristic of conveniently moving;Magnetic stripe card, contact intellective IC card and contactless smart IC can be completed in same terminal The read-write of card, compatibility is strong, and can be suitably used for the multiple fields such as finance, medical treatment, social security, logistics, has a wide range of application, and realizes Low-power consumption, low cost move compatible characteristic.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention With within principle, any modifications, equivalent replacements and improvements are made should all be included in the protection scope of the present invention god.

Claims (8)

1. a kind of three-in-one Table top type reader, which is characterized in that including magnetic head module, non-contact radio-frequency module, master control core Piece module, ISO7816 peripheral hardwares module and power conversion module;The magnetic head module, non-contact radio-frequency module, ISO7816 peripheral hardwares module and power conversion module are electrically connected respectively with main control chip module;
Wherein described magnetic head module is used to the data message on magnetic stripe card being converted to analog signal and amplifies output to master control core Piece module;
The non-contact radio-frequency module is used for through the contactless reading IC card information of wireless communication and exports to main control chip Module;
The ISO7816 peripheral hardwares module is used to coordinate the ISO7816 protocols of main control chip module to realize with connecing Touch IC card information communicates;
The power conversion module, which is used to output voltage being converted to burning voltage, is supplied to main control chip module and contactless Radio-frequency module;
The main control chip module is used to control the interaction and human-computer interaction between each module.
2. a kind of three-in-one Table top type reader as described in claim 1, which is characterized in that the magnetic head module includes magnetic Head, operational amplifier, bleeder circuit and magnetic stripe card information input terminal;The magnetic stripe card information input terminal electrically connects with the magnetic head It connects, the magnetic head is electrically connected by the operational amplifier and the main control chip module, the bleeder circuit and the fortune Amplifier is calculated to be electrically connected.
3. a kind of three-in-one Table top type reader as claimed in claim 2, which is characterized in that the magnetic head is double track magnetic head, The operational amplifier is two paths of signals amplifier.
A kind of 4. three-in-one Table top type reader as claimed in claim 3, which is characterized in that the model of the double track magnetic head SSTM093C, the model ADA4692-2 models of the operational amplifier.
5. a kind of three-in-one Table top type reader as described in claim 1, which is characterized in that the main control chip module includes Main control chip and reset circuit, debug circuit and the crystal oscillating circuit being electrically connected with main control chip.
6. a kind of three-in-one Table top type reader as claimed in claim 5, which is characterized in that the main control chip uses STM32F103 chips including 32 RISC cores of ARM Cotex-M3, internal high-speed memories, and are equipped with compatible ISO786 The UART interface of agreement.
A kind of 7. three-in-one Table top type reader as described in claim 1, which is characterized in that the non-contact radio-frequency module Including radio-frequency antenna, debug circuit, crystal oscillating circuit, non-contact IC read-write chip and reset circuit;The radio-frequency antenna, debugging Circuit, crystal oscillating circuit and reset circuit are electrically connected respectively with the non-contact IC read-write chip.
8. a kind of three-in-one Table top type reader as claimed in claim 7, which is characterized in that the non-contact IC reads and writes core Piece is MFRC531.
CN201611268077.2A 2016-12-31 2016-12-31 A kind of three-in-one Table top type reader Pending CN108108637A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611268077.2A CN108108637A (en) 2016-12-31 2016-12-31 A kind of three-in-one Table top type reader

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611268077.2A CN108108637A (en) 2016-12-31 2016-12-31 A kind of three-in-one Table top type reader

Publications (1)

Publication Number Publication Date
CN108108637A true CN108108637A (en) 2018-06-01

Family

ID=62206157

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611268077.2A Pending CN108108637A (en) 2016-12-31 2016-12-31 A kind of three-in-one Table top type reader

Country Status (1)

Country Link
CN (1) CN108108637A (en)

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