CN204706047U - A kind of RFID card reader for high fail-safe computer - Google Patents
A kind of RFID card reader for high fail-safe computer Download PDFInfo
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- CN204706047U CN204706047U CN201520410189.1U CN201520410189U CN204706047U CN 204706047 U CN204706047 U CN 204706047U CN 201520410189 U CN201520410189 U CN 201520410189U CN 204706047 U CN204706047 U CN 204706047U
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Abstract
The utility model discloses a kind of RFID card reader for high fail-safe computer, it comprises microprocessor, IC-card card reading module and ID card analog module; Described IC-card card reading module comprises IC-card Card Reader chip and the first antenna; Described ID card analog module comprises detecting circuit, filter amplification circuit, power amplification circuit and the second antenna; Carrier signal is sent by power amplification circuit and the second antenna by described microprocessor successively, second antenna receives the signal from exterior I D card, another output terminal of second antenna is connected with detecting circuit, the output terminal of detecting circuit is connected with filter amplification circuit, and the output terminal of filter amplification circuit is connected with microprocessor.RFID card reader of the present utility model all can identify IC-card and ID card, improves practicality; And structure is simply clear and definite: command information process is responsible for by microprocessor, radio frequency Card Reader chip is responsible for communicating with non-contact card, and ID snap gauge is intended part and is responsible for carrier transmit and demodulation.
Description
Technical field
The utility model relates to a kind of RFID card reader for high fail-safe computer.
Background technology
RFID is the english abbreviation of radio-frequency (RF) identification.Generally, RFID card reader is a kind of automatic identification equipment of energy read electronic label data.RFID radio-frequency (RF) identification is a kind of contactless automatic identification technology, and it automatically identifies destination object by radiofrequency signal and obtains related data, and the work of identification need not manual intervention, can work in various rugged surroundings.RFID technique identifiable design high-speed moving object also can identify multiple label simultaneously, swift and convenient to operate.
But existing RFID card reader only possesses the function of single identification, namely can only identify IC-card or can only identification id card, have again the situation of ID card then to need two card reader for existing IC-card, cost can increase.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of RFID card reader for high fail-safe computer simultaneously supporting IC-card and ID card.
The purpose of this utility model is achieved through the following technical solutions: a kind of RFID card reader for high fail-safe computer, and it comprises microprocessor, IC-card card reading module and ID card analog module; Described IC-card card reading module comprises IC-card Card Reader chip and the first antenna; Described ID card analog module comprises detecting circuit, filter amplification circuit, power amplification circuit and the second antenna; Described IC-card Card Reader chip reads the signal of exterior I C card by the first antenna, and IC-card Card Reader chip is connected with microprocessor; Carrier signal is sent by power amplification circuit and the second antenna by described microprocessor successively, second antenna receives the signal from exterior I D card, another output terminal of second antenna is connected with detecting circuit, the output terminal of detecting circuit is connected with filter amplification circuit, and the output terminal of filter amplification circuit is connected with microprocessor; Microprocessor is connected with external host; Described microprocessor comprises a memory module.
Described IC-card Card Reader chip is contactless read-write chip.
The frequency of operation of described IC-card Card Reader chip is 13.56MHZ.
The carrier frequency of described ID card analog module is 125KHZ.
Described IC-card Card Reader chip is connected with the SPI interface of microprocessor; Microprocessor is connected with external host by UART interface is converted to USB interface.
RFID card reader for high fail-safe computer also comprises a power module, and the RFID card reader described in described electric power source pair of module is powered.
The beneficial effects of the utility model are:
(1) RFID card reader of the present utility model all can identify IC-card and ID card, improves practicality; And structure is simply clear and definite: command information process is responsible for by microprocessor, radio frequency Card Reader chip is responsible for communicating with non-contact card, and ID snap gauge is intended part and is responsible for carrier transmit and demodulation;
(2) RFID card reader of the present utility model has local storage function, can realize local comparison and far-end comparison two kinds of modes; According to local comparison, then comparison in card reader inside, according to far-end comparison, then sends data to main frame and compares;
(3) the utility model is applicable to the IC-card of popular protocol on the market, comprises ISO/IEC14443 type A and ISO/IEC15693.
Accompanying drawing explanation
Fig. 1 is the utility model module diagram.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in further detail, but protection domain of the present utility model is not limited to the following stated.
As shown in Figure 1, a kind of RFID card reader for high fail-safe computer, it comprises microprocessor, IC-card card reading module and ID card analog module; Described IC-card card reading module comprises IC-card Card Reader chip and the first antenna; Described ID card analog module comprises detecting circuit, filter amplification circuit, power amplification circuit and the second antenna; Described IC-card Card Reader chip reads the signal of exterior I C card by the first antenna, and IC-card Card Reader chip is connected with microprocessor; Carrier signal is sent by power amplification circuit and the second antenna by described microprocessor successively, second antenna receives the signal from exterior I D card, another output terminal of second antenna is connected with detecting circuit, the output terminal of detecting circuit is connected with filter amplification circuit, and the output terminal of filter amplification circuit is connected with microprocessor; Microprocessor is connected with external host; Described microprocessor comprises a memory module.
Described IC-card Card Reader chip is contactless read-write chip.
The frequency of operation of described IC-card Card Reader chip is 13.56MHZ.
The carrier frequency of described ID card analog module is 125KHZ.
Described IC-card Card Reader chip is connected with the SPI interface of microprocessor; Microprocessor is connected with external host by UART interface is converted to USB interface.
RFID card reader for high fail-safe computer also comprises a power module, and the RFID card reader described in described electric power source pair of module is powered.
Claims (6)
1. for a RFID card reader for high fail-safe computer, it is characterized in that: it comprises microprocessor, IC-card card reading module and ID card analog module; Described IC-card card reading module comprises IC-card Card Reader chip and the first antenna; Described ID card analog module comprises detecting circuit, filter amplification circuit, power amplification circuit and the second antenna; Described IC-card Card Reader chip reads the signal of exterior I C card by the first antenna, and IC-card Card Reader chip is connected with microprocessor; Carrier signal is sent by power amplification circuit and the second antenna by described microprocessor successively, second antenna receives the signal from exterior I D card, another output terminal of second antenna is connected with detecting circuit, the output terminal of detecting circuit is connected with filter amplification circuit, and the output terminal of filter amplification circuit is connected with microprocessor; Microprocessor is connected with external host; Described microprocessor comprises a memory module.
2. a kind of RFID card reader for high fail-safe computer according to claim 1, is characterized in that: described IC-card Card Reader chip is contactless read-write chip.
3. a kind of RFID card reader for high fail-safe computer according to claim 1, is characterized in that: the frequency of operation of described IC-card Card Reader chip is 13.56MHZ.
4. a kind of RFID card reader for high fail-safe computer according to claim 1, is characterized in that: the carrier frequency of described ID card analog module is 125KHZ.
5. a kind of RFID card reader for high fail-safe computer according to claim 1, is characterized in that: described IC-card Card Reader chip is connected with the SPI interface of microprocessor; Microprocessor is connected with external host by UART interface is converted to USB interface.
6. a kind of RFID card reader for high fail-safe computer according to claim 1, is characterized in that: it also comprises a power module, and the RFID card reader described in described electric power source pair of module is powered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520410189.1U CN204706047U (en) | 2015-06-15 | 2015-06-15 | A kind of RFID card reader for high fail-safe computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520410189.1U CN204706047U (en) | 2015-06-15 | 2015-06-15 | A kind of RFID card reader for high fail-safe computer |
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| Publication Number | Publication Date |
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| CN204706047U true CN204706047U (en) | 2015-10-14 |
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| CN201520410189.1U Active CN204706047U (en) | 2015-06-15 | 2015-06-15 | A kind of RFID card reader for high fail-safe computer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107862225A (en) * | 2017-11-08 | 2018-03-30 | 北京银联金卡科技有限公司 | Contactless IC card is simulated and data real time parsing system |
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2015
- 2015-06-15 CN CN201520410189.1U patent/CN204706047U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107862225A (en) * | 2017-11-08 | 2018-03-30 | 北京银联金卡科技有限公司 | Contactless IC card is simulated and data real time parsing system |
| CN107862225B (en) * | 2017-11-08 | 2020-12-29 | 北京银联金卡科技有限公司 | Non-contact IC card simulation and data real-time analysis system |
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