CN104252637A - IC card based on RFID system application - Google Patents
IC card based on RFID system application Download PDFInfo
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- CN104252637A CN104252637A CN201310260081.4A CN201310260081A CN104252637A CN 104252637 A CN104252637 A CN 104252637A CN 201310260081 A CN201310260081 A CN 201310260081A CN 104252637 A CN104252637 A CN 104252637A
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- polar capacitor
- chip microcomputer
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Abstract
The invention discloses an IC card based on RFID system application. The IC card consists of a first diode, a second diode, a third diode, a fourth diode, a first non-polar capacitor, a second non-polar capacitor, a third non-polar capacitor, a fourth non-polar capacitor, a fifth non-polar capacitor, a first polar capacitor, a second polar capacitor, a voltage stabilizer, single-chip microcomputer, a crystal oscillator, a resistor and a triode. According to the invention, RFID-technology-based data transmission between a passive transponder and a reader can be realized. The intelligent IC card feeds the data carried by the card itself back to the reader by using the energy provided by the reader; and the reader carries out corresponding operation according to the received information.
Description
Technical field
The present invention relates to a kind of RFID technique, particularly relate to a kind of IC-card based on rfid system application.
Background technology
The developing history of smart card is not remote, and all parts of the world development unbalanced, wherein Europe develop the earliest, best.Intellective IC card comes from Europe and the Japan of the seventies, and the thought inserted in IC-card card by processor proposed by Frenchman afterwards obtains to be accepted extensively, and has perfect cryptographic function thus effectively solve the corrupt practice of smart card due to it.Smart card obtains at 1977-1998 and develops rapidly subsequently.At the nineties initial stage, smart card starts to be applied to the field such as charge of GSM digital mobile communication, CATV (cable television).In the U.S., smart card development relative delay, but along with smart card is in the successful use in Europe, it has an immense impact in the U.S., and however, the U.S. is still in rank first in fields such as smart card techniques.At present in China, along with the lifting of the continuing to increase of governability and supporting dynamics, technical research level, will there is deep change in IC market competition structure.From now on several years is that China's IC card system applies the period developed in depth, and China's IC card system market structure will be orderly by unordered trend, and market competition will be unlimited by limited trend, and IC card system market will progressively move to maturity.But for the CPU card at tip and non-contact type IC card intellectual radio-frequency card fabrication technology and corresponding reading and writing card apparatus technology thereof, be still in a backward condition.This greatly constrains the development of IC-card industry, particularly in the financial industry requiring high security and confidentiality, constrains enforcement and the development of China's Golden Card Program.
Summary of the invention
It is simple that object of the present invention is just to provide a kind of structure to solve the problem, the powerful IC-card based on rfid system application.
The present invention is achieved through the following technical solutions above-mentioned purpose:
The present invention includes the first diode, second diode, 3rd diode, 4th diode, first nonpolar electric capacity, second nonpolar electric capacity, 3rd nonpolar electric capacity, 4th nonpolar electric capacity, 5th nonpolar electric capacity, first polar capacitor, second polar capacitor, voltage stabilizer, single-chip microcomputer, crystal oscillator, resistance and triode, the collector of described triode is connected with the electrode input end of described first diode and the cathode output end of described 3rd diode by inductance simultaneously, the electrode input end of described second diode is connected with the cathode output end of described 4th diode, the electrode input end of described 3rd diode, the electrode input end of described 4th diode and the equal ground connection in one end of described first nonpolar electric capacity, the other end of described first nonpolar electric capacity simultaneously with the cathode output end of described first diode, the cathode output end of described second diode, one end of described second nonpolar electric capacity is connected with the input end of described voltage stabilizer, the other end of described second nonpolar electric capacity is connected with one end of described 3rd nonpolar electric capacity and the cathode output end of described first polar capacitor simultaneously, the output terminal of described voltage stabilizer simultaneously with the other end of described 3rd nonpolar electric capacity, the electrode input end of described first polar capacitor, the electrode input end of described second polar capacitor is connected with the 20 end of described single-chip microcomputer, the earth terminal ground connection of described voltage stabilizer, the first end of described single-chip microcomputer is connected with the cathode output end of described second polar capacitor and one end of described resistance simultaneously, 3rd end of described single-chip microcomputer is connected with the base stage of described triode, the five terminal of described single-chip microcomputer is connected with described one end of 4th nonpolar electric capacity and one end of described crystal oscillator simultaneously, 6th end of described single-chip microcomputer is connected with the other end of described crystal oscillator and one end of described 5th nonpolar electric capacity simultaneously, tenth end ground connection of described single-chip microcomputer, the other end of described resistance is connected with the other end of described 4th nonpolar electric capacity and the other end of described 5th nonpolar electric capacity simultaneously, the grounded emitter of described triode.
Further, described resistance sizes is 10 kilo-ohms, the size of described second nonpolar electric capacity and described 3rd nonpolar electric capacity is 0.1uf, and the size of described first polar capacitor is 10uf, and the size of described 4th nonpolar electric capacity and described 5th nonpolar electric capacity is 20pf.
Beneficial effect of the present invention is:
Present invention achieves and use the passive type transponder of RFID technique to transmit to the data of reader, the energy that intellective IC card provides by reader, by self-contained data feedback to reader, reader carries out corresponding operating according to the information received.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present invention.
In figure: D1-first diode, D2-second diode, D3-the 3rd diode, D4-the 4th diode, the nonpolar electric capacity of C1-first, the nonpolar electric capacity of C2-second, the nonpolar electric capacity of C3-the 3rd, the nonpolar electric capacity of C6-the 4th, the nonpolar electric capacity of C7-the 5th, C4-first polar capacitor, C5-second polar capacitor, ZD-voltage stabilizer, U-single-chip microcomputer, Z-crystal oscillator, R-resistance, VT-triode.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in Figure 1, the present invention includes the first diode D1, second diode D2, 3rd diode D3, 4th diode D4, first nonpolar electric capacity C1, second nonpolar electric capacity C2, 3rd nonpolar electric capacity C3, 4th nonpolar electric capacity C6, 5th nonpolar electric capacity C7, first polar capacitor C4, second polar capacitor C5, voltage stabilizer ZD, single-chip microcomputer U, crystal oscillator Z, resistance R and triode VT, the collector of triode VT is connected with the electrode input end of the first diode D1 and the cathode output end of the 3rd diode D3 by inductance simultaneously, the electrode input end of the second diode D2 is connected with the cathode output end of the 4th diode D4, the electrode input end of the 3rd diode D3, the equal ground connection in one end of the electrode input end of the 4th diode D4 and the first nonpolar electric capacity C1, the other end of the first nonpolar electric capacity C1 simultaneously with the cathode output end of the first diode D1, the cathode output end of the second diode D2, one end of second nonpolar electric capacity C2 is connected with the input end of voltage stabilizer ZD, the other end of the second nonpolar electric capacity C2 is connected with one end of the 3rd nonpolar electric capacity C3 and the cathode output end of the first polar capacitor C4 simultaneously, the output terminal of voltage stabilizer ZD simultaneously with the other end of the 3rd nonpolar electric capacity C3, the electrode input end of the first polar capacitor C4, the electrode input end of the second polar capacitor C5 is connected with the 20 end of single-chip microcomputer U, the earth terminal ground connection of voltage stabilizer ZD, the first end of single-chip microcomputer U is connected with the cathode output end of the second polar capacitor C5 and one end of resistance R simultaneously, 3rd end of single-chip microcomputer U is connected with the base stage of triode VT, the five terminal of single-chip microcomputer U is connected with one end of the 4th nonpolar electric capacity C6 and one end of crystal oscillator Z simultaneously, 6th end of single-chip microcomputer U is connected with the other end of crystal oscillator Z and one end of the 5th nonpolar electric capacity C7 simultaneously, the tenth end ground connection of single-chip microcomputer U, the other end of resistance R is connected with the other end C6 of the 4th nonpolar electric capacity and the other end of the 5th nonpolar electric capacity C7 simultaneously, the grounded emitter of triode VT, resistance R size is 10 kilo-ohms, the size of the second nonpolar electric capacity C2 and the 3rd nonpolar electric capacity C3 is 0.1uf, the size of the first polar capacitor C4 is 10uf, the size of the 4th nonpolar electric capacity C6 and the 5th nonpolar electric capacity C7 is 20pf, rectification circuit in circuit is the bridge rectifier circuit of standard, in order to reduce power attenuation, first diode D1, second diode D2, 3rd diode D3 and the 4th diode D4 selects conduction voltage drop to be the germanium diode of 0.3V, the radio-frequency component that first nonpolar electric capacity C1 may be able to contain in filtering rectified current, also certain pressure stabilization function is had, the electric current that alternating current exports after rectification has good smoothness, the power supply of circuit can be served as in general, but magnitude of voltage now is still subject to the impact of aerial voltage fluctuation and load change, namely the voltage exported after rectification due to the impact of various factors unstable often, in order to make output voltage stabilization, here mu balanced circuit part has been used, the effect of mu balanced circuit is exactly autostable output voltage, make output voltage not by the impact of other factors, here voltage stabilizer ZD internal current restriction and Thermal shutdown characteristic are wanted better, make it the situation being specially adapted to transship, what the present invention adopted is the single-chip microcomputer that 20 leads ends encapsulate, in used port, 20 end is low side fixed power source voltage end, first end is the RESET input, 3rd end is Serial output mouth, five terminal be oscillator inverting amplifier and the input end of internal clock generator, 6th end is the outer middle broken ends of fractured bone, tenth end is earth terminal, what in this circuit, triode VT adopted is NPN type.
Claims (2)
1. the IC-card based on rfid system application, it is characterized in that: comprise the first diode, second diode, 3rd diode, 4th diode, first nonpolar electric capacity, second nonpolar electric capacity, 3rd nonpolar electric capacity, 4th nonpolar electric capacity, 5th nonpolar electric capacity, first polar capacitor, second polar capacitor, voltage stabilizer, single-chip microcomputer, crystal oscillator, resistance and triode, the collector of described triode is connected with the electrode input end of described first diode and the cathode output end of described 3rd diode by inductance simultaneously, the electrode input end of described second diode is connected with the cathode output end of described 4th diode, the electrode input end of described 3rd diode, the electrode input end of described 4th diode and the equal ground connection in one end of described first nonpolar electric capacity, the other end of described first nonpolar electric capacity simultaneously with the cathode output end of described first diode, the cathode output end of described second diode, one end of described second nonpolar electric capacity is connected with the input end of described voltage stabilizer, the other end of described second nonpolar electric capacity is connected with one end of described 3rd nonpolar electric capacity and the cathode output end of described first polar capacitor simultaneously, the output terminal of described voltage stabilizer simultaneously with the other end of described 3rd nonpolar electric capacity, the electrode input end of described first polar capacitor, the electrode input end of described second polar capacitor is connected with the 20 end of described single-chip microcomputer, the earth terminal ground connection of described voltage stabilizer, the first end of described single-chip microcomputer is connected with the cathode output end of described second polar capacitor and one end of described resistance simultaneously, 3rd end of described single-chip microcomputer is connected with the base stage of described triode, the five terminal of described single-chip microcomputer is connected with described one end of 4th nonpolar electric capacity and one end of described crystal oscillator simultaneously, 6th end of described single-chip microcomputer is connected with the other end of described crystal oscillator and one end of described 5th nonpolar electric capacity simultaneously, tenth end ground connection of described single-chip microcomputer, the other end of described resistance is connected with the other end of described 4th nonpolar electric capacity and the other end of described 5th nonpolar electric capacity simultaneously, the grounded emitter of described triode.
2. the IC-card based on rfid system application according to claim 1, it is characterized in that: described resistance sizes is 10 kilo-ohms, the size of described second nonpolar electric capacity and described 3rd nonpolar electric capacity is 0.1uf, the size of described first polar capacitor is 10uf, and the size of described 4th nonpolar electric capacity and described 5th nonpolar electric capacity is 20pf.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310260081.4A CN104252637A (en) | 2013-06-26 | 2013-06-26 | IC card based on RFID system application |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310260081.4A CN104252637A (en) | 2013-06-26 | 2013-06-26 | IC card based on RFID system application |
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| CN104252637A true CN104252637A (en) | 2014-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310260081.4A Pending CN104252637A (en) | 2013-06-26 | 2013-06-26 | IC card based on RFID system application |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2335195Y (en) * | 1997-11-14 | 1999-08-25 | 北京卡斯特工业工程公司 | IC card pay collector with timing payment counting and control function |
| CN1568478A (en) * | 2001-10-15 | 2005-01-19 | 3M创新有限公司 | Amplifier modulation |
| CN201029038Y (en) * | 2006-12-05 | 2008-02-27 | 珠海天威技术开发有限公司 | Carbon powder box radio frequency recognizing chip |
| CN201615567U (en) * | 2010-03-12 | 2010-10-27 | 江苏蓝深远望系统集成有限公司 | Two-wire power supply communication circuit of air-conditioner controller |
| CN203414980U (en) * | 2013-06-26 | 2014-01-29 | 成都新方洲信息技术有限公司 | IC card based on RFID system applications |
-
2013
- 2013-06-26 CN CN201310260081.4A patent/CN104252637A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2335195Y (en) * | 1997-11-14 | 1999-08-25 | 北京卡斯特工业工程公司 | IC card pay collector with timing payment counting and control function |
| CN1568478A (en) * | 2001-10-15 | 2005-01-19 | 3M创新有限公司 | Amplifier modulation |
| CN201029038Y (en) * | 2006-12-05 | 2008-02-27 | 珠海天威技术开发有限公司 | Carbon powder box radio frequency recognizing chip |
| CN201615567U (en) * | 2010-03-12 | 2010-10-27 | 江苏蓝深远望系统集成有限公司 | Two-wire power supply communication circuit of air-conditioner controller |
| CN203414980U (en) * | 2013-06-26 | 2014-01-29 | 成都新方洲信息技术有限公司 | IC card based on RFID system applications |
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Application publication date: 20141231 |
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