CN104598961B - A kind of semaphore data save method - Google Patents
A kind of semaphore data save method Download PDFInfo
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- CN104598961B CN104598961B CN201510011805.0A CN201510011805A CN104598961B CN 104598961 B CN104598961 B CN 104598961B CN 201510011805 A CN201510011805 A CN 201510011805A CN 104598961 B CN104598961 B CN 104598961B
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Abstract
The invention discloses a kind of semaphore data save methods, it is related to device data Techniques of preserving field.It includes antenna circuit, reading and writing data circuit and radio-frequency card, reading and writing data circuit is connect by antenna circuit with radio-frequency card, reading and writing data circuit is made of radio frequency read-write chip and its peripheral circuit, 1 foot of radio frequency read-write chip, 32 feet connect first capacitor respectively, second capacitor is to ground terminal VSS, crystal oscillator is connected between 1 foot and 32 feet of radio frequency read-write chip, 5 feet of radio frequency read-write chip, 7 feet connect the series circuit of the first inductance and the 5th capacitor respectively, the series circuit of second inductance and the 6th capacitor is to ground terminal VSS, 5th capacitor, 6th capacitor respectively with the 15th capacitor, 16th capacitor simultaneously connects.Rationally, no hard contact, effective antistatic and lightning stroke etc., the reliability of device data and safety are higher for structure of the invention design.
Description
Technical field
The present invention relates to device data Techniques of preserving fields, and in particular to a kind of semaphore data save method.
Background technique
Currently used semaphore data storage circuit is mainly using IIC type EEPRM or flash, SD card etc.
Contact storage chip, these common data save modes or circuit have hard contact, are easily damaged, especially in thunderstorm
Season or electrostatic serious winter dryness season, the reliability of device data cannot fully ensure that, in addition, the number of equipment room
It is also easy to appear problem according to exchanging, the safety of device data is low, is based on this, designs a kind of semaphore data save method still
It is necessary to.
Summary of the invention
In view of the shortcomings of the prior art, object of the present invention is to be to provide a kind of semaphore data save method,
Reasonable in design, no hard contact, effective antistatic and lightning stroke etc., the reliability of device data and safety are higher.
To achieve the goals above, the present invention is to realize by the following technical solutions: a kind of semaphore data save
Method, including antenna circuit, reading and writing data circuit and radio-frequency card, reading and writing data circuit are connect by antenna circuit with radio-frequency card,
Reading and writing data circuit is made of radio frequency read-write chip and its peripheral circuit, and 1 foot, 32 feet of radio frequency read-write chip connect the first electricity respectively
Hold, the second capacitor to ground terminal VSS, crystal oscillator, 5 feet of radio frequency read-write chip, 7 are connected between 1 foot and 32 feet of radio frequency read-write chip
Foot connects the series circuit of the series circuit of the first inductance and the 5th capacitor, the second inductance and the 6th capacitor to ground terminal VSS respectively, and
Five capacitors, the 6th capacitor respectively with the 15th capacitor, the 16th capacitor and connect, the 5th capacitor both ends simultaneously meet the 7th capacitor and the 9th
The series circuit of capacitor, the 7th capacitor, the 9th capacitor respectively with the 13rd capacitor, the tenth capacitor and connect, the 6th capacitor both ends are simultaneously
Connect the series circuit of the 8th capacitor and the 11st capacitor, the 8th capacitor, the 11st capacitor respectively with the 14th capacitor, the 12nd electricity
Hold and connect, the series circuit both ends of the tenth capacitor and the 12nd capacitor are simultaneously connected to the 17th capacitor, and the 17th capacitor both ends simultaneously connect
There is the series circuit of the 7th resistance, third inductance, the 8th resistance, the 6th electricity is connected between 29 feet and 30 feet of radio frequency read-write chip
Resistance, 29 feet of radio frequency read-write chip successively connect 5 feet of the 5th resistance, third capacitor, the first inductance to radio frequency read-write chip, radio frequency
30 feet of read-write chip connect the 4th capacitor to ground terminal VSS, and 23 feet, 26 feet of radio frequency read-write chip connect first resistor, the 4th respectively
For inductance to ground terminal VSS, 5V power end, 9 feet, 10 feet, 11 feet of radio frequency read-write chip connect the 4th resistance, second resistance, respectively
Three resistance are to ground terminal VSS；13rd capacitor, the 14th capacitor, the 17th capacitor use tunable capacitor, for finely tuning.
Preferably, the antenna circuit is made of pcb board and difference coil, 3 feet, 4 feet, 6 feet, 7 feet, 9 of pcb board
Foot, 11 feet, 13 feet connect 15 feet, 16 feet, 14 feet, 22 feet, 13 feet, 21 feet, 24 feet of radio frequency read-write chip, 4 feet of pcb board respectively
Also connect 31 feet of radio frequency read-write chip, 1 foot, 2 feet of pcb board connect 5V power end, ground terminal VSS respectively, 1 foot and 2 feet of pcb board it
Between be connected to the 18th capacitor, 1 foot, 2 feet of pcb board are connect with 1 foot of difference coil, 2 feet.
Preferably, the radio frequency read-write chip uses radio frequency read-write chip RC632, difference coil uses differential antennae
ANT1356MHZ, radio-frequency card are made of the contactless CPU card of TypeA/TypeB, and device data store method is Non-contact radio-frequency
Storage card or CPU card.
Beneficial effects of the present invention: since entire circuit data preserving type uses the Non-contact radio-frequency card of not contact
As the data storage circuit and scheme of outdoor equipment, saved in winter electrostatic critical regions or the ordinary area of lightning stroke using this method
Data effectively prevent storage chip by electrostatic, indirect lightning strike, and high reliablity is hardly damaged, and the reliability of device data is filled
Code insurance card, and due to having used TypeA triple-authentication, the safety of device data is fully guaranteed.
Detailed description of the invention
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments；
Fig. 1 is circuit diagram of the invention.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
Referring to Fig.1, present embodiment uses following technical scheme: a kind of semaphore data save method, including day
Line circuit, reading and writing data circuit and radio-frequency card, reading and writing data circuit are connect by antenna circuit with radio-frequency card, reading and writing data circuit
It is made of radio frequency read-write chip U1 and its peripheral circuit, 1 foot, 32 feet of radio frequency read-write chip U1 meet first capacitor C1, respectively
It is connected to crystal oscillator Y1 between 1 foot and 32 feet of two capacitor C2 to ground terminal VSS, radio frequency read-write chip U1, the 5 of radio frequency read-write chip U1
Foot, 7 feet connect the series circuit of the series circuit of the first inductance L0 and the 5th capacitor C5, the second inductance L1 and the 6th capacitor C6 respectively
To ground terminal VSS, the 5th capacitor C5, the 6th capacitor C6 respectively with the 15th capacitor C15, the 16th capacitor C16 and connect, the 5th capacitor
The both ends C5 and the series circuit for meeting the 7th capacitor C7 and the 9th capacitor C9, the 7th capacitor C7, the 9th capacitor C9 are respectively with the 13rd
Capacitor C13, the tenth capacitor C10 simultaneously connect, the 6th both ends capacitor C6 and the series electrical for meeting the 8th capacitor C8 and the 11st capacitor C11
Road, the 8th capacitor C8, the 11st capacitor C11 respectively with the 14th capacitor C14, the 12nd capacitor C12 and connect, the tenth capacitor C10
With the series circuit both ends of the 12nd capacitor C12 and be connected to the 17th capacitor C17, the 17th both ends capacitor C17 are simultaneously connected to the 7th
The series circuit of resistance R7, third inductance L2, the 8th resistance R8 are connected to the 6th between 29 feet and 30 feet of radio frequency read-write chip U1
Resistance R6,29 feet of radio frequency read-write chip U1 successively meet the 5th resistance R5, third capacitor C3, the first inductance L0 to radio frequency and read and write core
5 feet of piece U1,30 feet of radio frequency read-write chip U1 connect the 4th capacitor C4 to ground terminal VSS, 23 feet, 26 feet of radio frequency read-write chip U1
First resistor R1, the 4th inductance L3 to ground terminal VSS, 5V power end, 9 feet, 10 feet, 11 feet point of radio frequency read-write chip U1 are connect respectively
Do not connect the 4th resistance R4, second resistance R2,3rd resistor R3, to ground terminal VSS；The radio frequency read-write chip U1 is read using radio frequency
Write chip RC632.
It is worth noting that, the antenna circuit is made of pcb board P5 and difference coil, 3 feet, 4 feet, 6 of pcb board P5
Foot, 7 feet, 9 feet, 11 feet, 13 feet connect 15 feet, 16 feet, 14 feet, 22 feet, 13 feet, 21 feet, 24 feet of radio frequency read-write chip U1 respectively,
4 feet of pcb board P5 also connect 31 feet of radio frequency read-write chip U1, and 1 foot, 2 feet of pcb board P5 connect 5V power end, ground terminal VSS respectively,
The 18th capacitor CP is connected between 1 foot and 2 feet of pcb board P5,1 foot of pcb board P5,1 foot of 2 feet and difference coil, 2 feet connect
It connects.
In addition, the difference coil uses differential antennae ANT1356MHZ, radio-frequency card is contactless by TypeA/TypeB
CPU card is constituted, and is written and read using Non-contact radio-frequency circuit to card internal data, is saved, and encryption etc., data are stored in non-connect
In touch radio-frequency card, data access and storage are realized, achieve the purpose that prevent damage.
Present embodiment radio-frequency card controls register by access radio frequency read-write chip U1, sets running parameter,
Radio frequency read-write chip U1 is modulated at data on the signal of 13.56MHz, and transmits data in differential antennae, in radio-frequency card
The coil antenna in portion can incude the signal made electric current, and decode modulation of going to work in the field strength that differential antennae generates, and number
To Ka Nei or radio frequency read-write chip U1 is returned to according to storage, if it is necessary, radio-frequency card can carry out safety certification and encryption
Processing.
Present embodiment design parameter: R5=470 Ω, R6=820 Ω, C9=C11=100pF, C3=1nF, C10=
C12=22pF, C7=C8=C13=C14=15pF, C5=C6=C15=C16=56pF, wherein the 13rd capacitor C13, the 14th capacitor
C14, the 17th capacitor C17 are tunable capacitor, and for finely tuning, the above design parameter passes through actual verification, and achieves good
Effect, data storage is reliable and secure, and antistatic lotus lightning-strike effectiveness is very outstanding, and in addition the work of this circuit is highly stable, at low cost
It is honest and clean.
Present embodiment passes through the magnetic field of antenna realization since entire data storage circuit does not have any hard contact
It carries out near-field coupling logarithm factually now to access, storage chip can be effectively prevented by electrostatic, indirect lightning strike, in addition data are in radio frequency
It is stored and accessed in blocking using encryption, data safety uses storage chip much higher than directly, and radio-frequency card can also be used as and set
Standby initiation key uses, and guarantees one machine of card, goes wrong after preventing equipment room data interchange, and security reliability has wide
General market application prospect.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (4)
1. a kind of semaphore data storage apparatus, which is characterized in that including antenna circuit, reading and writing data circuit and radio-frequency card, number
It is connect by antenna circuit with radio-frequency card according to read/write circuit, reading and writing data circuit is by radio frequency read-write chip (U1) and its peripheral circuit
It constitutes, 1 foot, 32 feet of radio frequency read-write chip (U1) connect first capacitor (C1), the second capacitor (C2) to ground terminal VSS, radio frequency respectively
It is connected to crystal oscillator (Y1) between 1 foot and 32 feet of read-write chip (U1), 5 feet, 7 feet of radio frequency read-write chip (U1) connect the first electricity respectively
Feel the series circuit of the series circuit of (L0) and the 5th capacitor (C5), the second inductance (L1) and the 6th capacitor (C6) to ground terminal VSS,
5th capacitor (C5), the 6th capacitor (C6) respectively with the 15th capacitor (C15), the 16th capacitor (C16) and connect, the 5th capacitor
(C5) both ends and the series circuit of the 7th capacitor (C7) and the 9th capacitor (C9) is connect, the 7th capacitor (C7), the 9th capacitor (C9) point
Not with the 13rd capacitor (C13), the tenth capacitor (C10) and connect, the 6th capacitor both ends (C6) simultaneously connect the 8th capacitor (C8) and the tenth
The series circuit of one capacitor (C11), the 8th capacitor (C8), the 11st capacitor (C11) respectively with the 14th capacitor (C14), the tenth
Two capacitors (C12) simultaneously connect, and the series circuit both ends of the tenth capacitor (C10) and the 12nd capacitor (C12) are simultaneously connected to the 17th capacitor
(C17), the 17th capacitor both ends (C17) and it is connected to the series electrical of the 7th resistance (R7), third inductance (L2), the 8th resistance (R8)
Road, is connected to the 6th resistance (R6) between 29 feet and 30 feet of radio frequency read-write chip (U1), 29 feet of radio frequency read-write chip (U1) according to
Secondary 5 feet for connecing the 5th resistance (R5), third capacitor (C3), the first inductance (L0) to radio frequency read-write chip (U1), radio frequency read and write core
30 feet of piece (U1) connect the 4th capacitor (C4) to ground terminal VSS, and 23 feet, 26 feet of radio frequency read-write chip (U1) connect first resistor respectively
(R1), the 4th inductance (L3) to ground terminal VSS, 5V power end, 9 feet, 10 feet, 11 feet of radio frequency read-write chip (U1) connects the 4th respectively
Resistance (R4), second resistance (R2), 3rd resistor (R3) to ground terminal VSS；The radio frequency read-write chip (U1) is read using radio frequency
Write chip RC632；The antenna circuit is made of pcb board (P5) and difference coil；The difference coil uses difference day
Line ANT1356MHZ.
2. a kind of semaphore data storage apparatus according to claim 1, which is characterized in that the radio-frequency card by
The contactless CPU card of TypeA/TypeB is constituted, and is written and read, is saved to card internal data using Non-contact radio-frequency circuit, added
It is close.
3. a kind of semaphore data storage apparatus according to claim 1, which is characterized in that the 13rd capacitor
(C13), the 14th capacitor (C14), the 17th capacitor (C17) use tunable capacitor.
4. a kind of semaphore data storage apparatus according to claim 1, which is characterized in that radio-frequency card passes through access radio frequency
Read-write chip (U1) controls register, sets running parameter, data are modulated at 13.56MHz's by radio frequency read-write chip (U1)
It on signal, and transmits data in differential antennae, the coil antenna inside radio-frequency card can be in the field strength that differential antennae generates
Operating current is induced, and decodes the signal of modulation, and stores the data to Ka Nei or returns to radio frequency read-write chip
(U1), radio-frequency card can carry out safety certification and encryption.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510011805.0A CN104598961B (en) | 2015-01-12 | 2015-01-12 | A kind of semaphore data save method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510011805.0A CN104598961B (en) | 2015-01-12 | 2015-01-12 | A kind of semaphore data save method |
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| CN104598961A CN104598961A (en) | 2015-05-06 |
| CN104598961B true CN104598961B (en) | 2019-07-12 |
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| CN201510011805.0A Active CN104598961B (en) | 2015-01-12 | 2015-01-12 | A kind of semaphore data save method |
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| CN107766748B (en) * | 2017-10-25 | 2020-07-07 | 深圳市新国都支付技术有限公司 | Contact of data protection device |
| CN110501354B (en) * | 2019-08-28 | 2022-07-01 | 济南大学 | Biosensor and preparation method and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101978383A (en) * | 2008-03-20 | 2011-02-16 | Nxp股份有限公司 | Transceiving circuit for contactless communication and nfc device or rfid reader/writer device comprising such a transceiving circuit |
| CN202931277U (en) * | 2012-05-28 | 2013-05-08 | 甘肃天立恒智电子科技有限公司 | RFID-enabled multi-type interface sensor conversion device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009066211A2 (en) * | 2007-11-19 | 2009-05-28 | Nxp B.V. | Transceiving circuit for contactless communication |
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2015
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101978383A (en) * | 2008-03-20 | 2011-02-16 | Nxp股份有限公司 | Transceiving circuit for contactless communication and nfc device or rfid reader/writer device comprising such a transceiving circuit |
| CN202931277U (en) * | 2012-05-28 | 2013-05-08 | 甘肃天立恒智电子科技有限公司 | RFID-enabled multi-type interface sensor conversion device |
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