CN204856533U - Radio frequency is known read mean , identification system and is used for radio frequency identification system of pearl ornaments sign - Google Patents

Radio frequency is known read mean , identification system and is used for radio frequency identification system of pearl ornaments sign Download PDF

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Publication number
CN204856533U
CN204856533U CN201520676658.4U CN201520676658U CN204856533U CN 204856533 U CN204856533 U CN 204856533U CN 201520676658 U CN201520676658 U CN 201520676658U CN 204856533 U CN204856533 U CN 204856533U
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China
Prior art keywords
electric capacity
pin
chip
resistance
radio frequency
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CN201520676658.4U
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Chinese (zh)
Inventor
王慧
陈德金
陈春雷
蔡宏英
童杏林
母坤
胡畔
曹驰
刘胜
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Guangdong Ocean University
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Guangdong Ocean University
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Abstract

The utility model provides read mean and radio frequency identification system are known to a radio frequency, and the radio frequency is known read mean and is provided with host system, radio frequency read/write module, voice module and power module, host system is provided with chip U4, electric capacity C23, resistance R8, electric capacity C21, electric capacity C22 and the crystal oscillator Y2 of model for STC89C52, radio frequency read/write module is provided with the chip U3 of model for RC522, voice module is provided with the chip U1 of model for WT588. The radio frequency identification system knows read mean by IC -card and radio frequency and constitutes, and the IC -card sets up the card into MIFARE, and read mean and IC -card communication are known to the radio frequency. This radio frequency is known read mean and by its radio frequency identification system that constitutes, is taken voice function certainly, and simple structure, stable performance, low power dissipation, interference killing feature are strong, can reliably realize and the IC -card between data transmission, can carry out the discernment of pearl ornaments.

Description

Radio frequency reading device, recognition system and the radio-frequency recognition system for Pearl Accessories mark
Technical field
The utility model relates to radio frequency recognition technical field, particularly relates to a kind of radio frequency reading device and radio-frequency recognition system.
Background technology
RFID technique is described as the technology having market outlook, most to change human life style and high-tech industry aspect most by global high-tech area.
Compared with Contact Type Ic Card, non-contact IC card inherits that Contact Type Ic Card capacity is large, security advantages of higher, overcomes again because the shortcoming that the pollution, wearing and tearing, electrostatic and the plug-in card that cause could access is exposed in contact.And contactless IC card also has some other superior performances, as swift to operate, strong interference immunity, high reliability, life-span length, multiple operating distance etc.Just based on these advantages, non-contact IC is stuck in motorbus automatic ticket-selling system, AiOCC system, access control and attendance system, warehouse management system, lab-device management system and is all widely used.
The radio frequency reading device that non-contact IC card is corresponding is the important component part of contactless IC card system, and it is the key that non-contact IC card is widely used in every field.The defects such as radio frequency reading device of the prior art exists complex structure usually, and performance is stable not, and power consumption is high.
Therefore, not enough for prior art, provide a kind of radio frequency reading device for non-contact IC card identification, and it is very necessary to provide a kind of radio-frequency recognition system consisted of this radio frequency reading device to carry out high-grade Pearl Accessories mark.
Summary of the invention
One of the purpose of this utility model is avoid the deficiencies in the prior art part and provide a kind of radio frequency reading device, this radio frequency reading device band sound prompt function, antijamming capability is strong, have that low-power consumption, structure are simple, the feature of stable performance, reliably can realize the data transmission between recognizer and IC-card.
Above-mentioned purpose of the present utility model is realized by following technological means:
A kind of radio frequency reading device, is provided with main control module, radio frequency module for reading and writing, voice module, display device and power module;
Described main control module is provided with chip U4 that model is STC89C52, electric capacity C23, resistance R8, electric capacity C21, electric capacity C22 and crystal oscillator Y2;
Electric capacity C23 mono-termination 5V voltage, the pin 4 of the electric capacity C23 other end, resistance R8 mono-chip termination U4, the pin 16 of the resistance R8 other end, chip U4, electric capacity C21 one end, the equal ground connection in electric capacity C22 one end, the electric capacity C21 other end is connected with one end of crystal oscillator Y2, the pin 14 of chip U4, and the electric capacity C22 other end is connected with the other end of crystal oscillator Y2, the pin 15 of chip U4;
Radio frequency module for reading and writing is provided with chip U3 that model is RC522, resistance R5, resistance R6, resistance R7, electric capacity C8, electric capacity C9, electric capacity C10, electric capacity C11, electric capacity C12, electric capacity C13, electric capacity C14, electric capacity C15, inductance L 1, inductance L 2, antenna P3, electric capacity C16, electric capacity C17, electric capacity C18 and crystal oscillator Y1;
Electric capacity C18 one end, electric capacity C17 one end, the equal ground connection in electric capacity C16 one end, one end of the electric capacity C18 other end and crystal oscillator Y1, the pin 22 of chip U3 connects, the other end of the electric capacity C17 other end and crystal oscillator Y1, the pin 21 of chip U3 connects, the electric capacity C16 other end, the pin 16 of chip U3 is connected with resistance R6 one end, the pin 17 of chip U3, the resistance R6 other end is connected with resistance R5 one end, and the resistance R5 other end is connected with electric capacity C7 one end, the electric capacity C7 other end, electric capacity C8 one end, electric capacity C10 one end, electric capacity C12 one end is connected with the pin 1 of antenna P3, the pin 18 of chip U3, the pin 14 of chip U3, the pin 10 of chip U3, the pin 4 of chip U3, the pin 5 of chip U3, the pin 2 of antenna P3, the electric capacity C8 other end, the electric capacity C10 other end, the electric capacity C14 other end, electric capacity C9 one end, electric capacity C11 one end, the equal ground connection in electric capacity C15 one end, the electric capacity C12 other end and the electric capacity C14 other end, inductance L 2 one end connects, and inductance L 2 other end is connected with the pin 13 of chip U3, and inductance L 1 one end is connected with the pin 11 of chip U3, the other end of inductance L 1 and the electric capacity C15 other end, electric capacity C13 one end connects, the electric capacity C13 other end and the electric capacity C11 other end, the electric capacity C9 other end, the pin 3 of antenna P3 connects,
Pin 1 ground connection of chip U3, the pin 6 of chip U3 is connected with resistance R7 one end, and the pin 32 of the pin 2 of the resistance R7 other end, chip U3, the pin 3 of chip U3, chip U3, the pin 15 of chip U3, the pin 12 of chip U3 all connect 3.3V current potential;
The pin 29 of chip U3 is connected with the pin 24 of chip U4, and the pin 30 of chip U3 is connected with the pin 23 of chip U4, and the pin 31 of chip U3 is connected with the pin 22 of chip U4, and the pin 6 of chip U3 is connected with the pin 20 of chip U4;
Described voice module is provided with the chip U1 that model is WT588, SPI serial communication interface U2, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5, electric capacity C6, resistance R1, resistance R2, resistance R3, resistance R4, diode D1 and loudspeaker LS1, electric capacity C1 one end, the pin 3 of SPI serial communication interface U2 all connects 3.3V current potential, the electric capacity C1 other end, pin 4 all ground connection of SPI serial communication interface U2, the pin 2 of SPI serial communication interface U2 is connected with the pin 1 of chip U1, the pin 1 of SPI serial communication interface U2 is connected with the pin 3 of chip U1, the pin 5 of SPI serial communication interface U2 is connected with the pin 2 of chip U1, the pin 6 of SPI serial communication interface U2 is connected with the pin 4 of chip U1, the pin 7 of SPI serial communication interface U2, the pin 8 of SPI serial communication interface U2, the pin 5 of chip U1 all connects 3.3V current potential, the pin 7 of chip U1 is connected with the pin 41 of chip U4, and the pin 8 of chip U1 is connected with the pin 2 of chip U4, and the pin 9 of chip U1 is connected with the pin 3 of chip U4, resistance R1 mono-termination 3.3V current potential, the resistance R1 other end, the pin 10 of electric capacity C2 mono-chip termination U1, electric capacity C2 other end ground connection, the pin 11 of chip U1 is connected with diode D1 negative pole, and diode D1 positive pole is connected with resistance R4 one end, the resistance R4 other end, electric capacity C6 mono-termination 5V current potential, the electric capacity C6 other end, resistance R3 one end is connected with the pin 13 of chip U1, and electric capacity C5 one end is connected with the pin 12 of chip U1, the electric capacity C5 other end, the resistance R3 other end, the equal ground connection in electric capacity C4 one end, the pin 14 of chip U1, the electric capacity C4 other end, resistance R2 one end is connected with the pin 40 of chip U4, the pin 15 of chip U1, the pin 19 of chip U1, the equal ground connection in electric capacity C3 one end, the electric capacity C3 other end, the resistance R2 other end, the pin 17 of chip U1 all connects 5V current potential, and the pin 18 of chip U1 is connected with the pin 1 of loudspeaker LS1, and the pin 16 of chip U1 is connected with the pin 2 of loudspeaker LS1.
Above-mentioned power module is provided with chip U5 that model is AMS117-25, electric capacity C20, electric capacity C27, interface P5, switch S 2, diode D5, electric capacity C24, electric capacity C23, diode D6 and resistance R9;
The pin 1 of chip U5, electric capacity C20 one end, the equal ground connection in electric capacity C27 one end, the pin 2 of the electric capacity C20 other end, the electric capacity C27 other end, chip U5 all connects 3.3V current potential, the pin 3 of chip U5, pin 2 and switch S 2 one end of interface P5 all connect 5V current potential, switch S 2 other end is connected with diode D5 positive pole, the negative pole of diode D5 is connected with electric capacity C24 one end, electric capacity C23 one end, diode D6 positive pole, diode D6 negative pole is connected with resistance R9 one end, pin 1 all ground connection of the resistance R9 other end, the electric capacity C23 other end, the electric capacity C24 other end, interface P5.
Preferably, above-mentioned radio frequency reading device is also provided with USB charging module, and described USB charging module is provided with switch S 1, chip U8, the resistance R81 of model TP4057, diode D81, diode D82, swept resistance W1, electric capacity C81 and electric capacity C82;
The pin 6 of switch S 1 meets VCC, the pin 4 of switch S 1, resistance R81 one end, the pin 4 of chip U8 is connected with one end of electric capacity C81, the resistance R81 other end and diode D81 positive pole, diode D82 positive pole connects, diode D81 negative pole is connected with the pin 1 of chip U8, diode D82 negative pole is connected with the pin 5 of chip U8, pin 3 and electric capacity C82 one end of chip U8, the positive pole of dry cell BT1 connects, the pin 6 of chip U8 and 2 ends of swept resistance W1, 3 ends connect, the pin 2 of chip U8, 1 end of swept resistance W1, the other end of electric capacity C82, the other end of electric capacity C81, the equal ground connection of negative pole of dry cell BT1.
Preferably, above-mentioned display device is set to LCD display, and LCD display is connected with described main control module.
Preferably, above-mentioned radio frequency reading device is also provided with voice download module, and described voice download module is connected respectively with described main control module, described voice module.
Further, electric capacity C23 is set to 10 microfarads, and resistance R8 is set to 10 kilo-ohms, and electric capacity C21, electric capacity C22 are all set to 22 pico farads, and the frequency of crystal oscillator Y2 is 12M;
Resistance R5 is set to 5.1 kilo-ohms, resistance R6 is 32 Europe, resistance R7 is 10 kilo-ohms, electric capacity C8, electric capacity C9 are all set to 22 pico farads, electric capacity C10, electric capacity C11 are all set to 100 pico farads, and electric capacity C12, electric capacity C13, electric capacity C14, electric capacity C15 are all set to 47 pico farads, and electric capacity C16 is set to 104 pico farads, electric capacity C17, electric capacity C18 are all set to 15 pico farads, and the frequency of crystal oscillator Y1 is 27.12M;
Electric capacity C1 is set to 104 pico farads, electric capacity C2 is set to 105 pico farads, electric capacity C3, electric capacity C4, electric capacity C5 are all set to 104 pico farads, electric capacity C6 is set to 101 pico farads, resistance R1 is set to 10 Europe, and resistance R2 is set to 1 kilo-ohm, and resistance R3 is set to 500 kilo-ohms, resistance R4 is set to 470 Europe, and inductance L 1, inductance L 2 are all set to 2.2 microhenrys.
Further, electric capacity C20 is set to 10 microfarads, and electric capacity C27 is 104 pico farads, and electric capacity C23 is set to 10 microfarads, and electric capacity C24 is set to 104 pico farads, and resistance R9 is 1 kilo-ohm.
Further, resistance R81 is set to 1 kilo-ohm, and swept resistance W1 is set to 20 kilo-ohms, and electric capacity C81 is set to 1 microfarad, and electric capacity C82 is set to 10 microfarads.
Another object of the present utility model is avoid the deficiencies in the prior art part and provide a kind of radio-frequency recognition system, this radio-frequency recognition system is recorded relevant information by IC-card and is carried out communication by radio frequency reading device and reads, there is antijamming capability strong, structure be simple, stable performance, feature low in energy consumption.
Above-mentioned purpose of the present utility model is realized by following technological means:
There is provided a kind of radio-frequency recognition system, be made up of IC-card and above-mentioned radio frequency reading device, described IC-card is set to MIFARE card, described radio frequency reading device and described IC-card communication.
Another object of the present utility model is to avoid the deficiencies in the prior art part and provides a kind of radio-frequency recognition system for Pearl Accessories mark, this radio-frequency recognition system reads by the IC-card recording information being embedded in ornaments substrate and carrying out communication by radio frequency reading device, there is antijamming capability strong, structure is simple, stable performance, feature low in energy consumption, effectively can carry out accurate calibration to Pearl Accessories etc.
Above-mentioned purpose of the present utility model is realized by following technological means:
A kind of rfid system for Pearl Accessories identification is provided, be made up of the IC-card and above-mentioned radio frequency reading device that are loaded with ornaments information, described IC-card is embedded in ornaments substrate, and is encapsulated by marine glue, described IC-card is set to MIFARE card, described radio frequency reading device and described IC-card communication.
Radio frequency reading device of the present utility model and the radio-frequency recognition system be made up of it, carry phonetic function, and structure is simple, stable performance, low in energy consumption, antijamming capability strong, reliably can realize the data transmission between IC-card, can carry out the identification of Pearl Accessories.
Accompanying drawing explanation
Utilize accompanying drawing to be further described the utility model, but the content in accompanying drawing is not formed any restriction of the present utility model.
Fig. 1 is the structural representation of a kind of radio frequency reading device of the utility model.
Fig. 2 is the circuit diagram of the main control module of a kind of radio frequency reading device of the utility model.
Fig. 3 is the circuit diagram of the radio frequency module for reading and writing of a kind of radio frequency reading device of the utility model.
Fig. 4 is the circuit diagram of the voice module of the utility model radio frequency reading device.
Fig. 5 is the circuit diagram of the power module of the utility model radio frequency reading device.
Fig. 6 is the circuit diagram of the USB charging module of the utility model radio frequency reading device.
Embodiment
With the following Examples the utility model is further described.
embodiment 1.
A kind of radio frequency reading device, as shown in Figures 1 to 6, is provided with main control module, radio frequency module for reading and writing, voice module, display device and power module, is also provided with USB charging module.
Be used for when this radio frequency reading device uses communicating with supporting IC-card, the information in IC-card shown by display device, carries out voice broadcast by voice module simultaneously.Power module provides the voltage of other module work, and USB charging module makes the charging modes of this radio frequency reading device more convenient and flexible.
Main control module is the core of radio frequency reading device, and main control module communicates with IC-card, the information in IC-card is shown by display device, controls voice module simultaneously and carries out voice broadcast.As shown in Figure 2, main control module is provided with chip U4 that model is STC89C52, electric capacity C23, resistance R8, electric capacity C21, electric capacity C22 and crystal oscillator Y2.
Electric capacity C23 mono-termination 5V voltage, the pin 4 of the electric capacity C23 other end, resistance R8 mono-chip termination U4, the pin 16 of the resistance R8 other end, chip U4, electric capacity C21 one end, the equal ground connection in electric capacity C22 one end, the electric capacity C21 other end is connected with one end of crystal oscillator Y2, the pin 14 of chip U4, and the electric capacity C22 other end is connected with the other end of crystal oscillator Y2, the pin 15 of chip U4.
As shown in Figure 3, radio frequency module for reading and writing is provided with chip U3 that model is RC522, resistance R5, resistance R6, resistance R7, electric capacity C8, electric capacity C9, electric capacity C10, electric capacity C11, electric capacity C12, electric capacity C13, electric capacity C14, electric capacity C15, inductance L 1, inductance L 2, antenna P3, electric capacity C16, electric capacity C17, electric capacity C18 and crystal oscillator Y1.
Electric capacity C18 one end, electric capacity C17 one end, the equal ground connection in electric capacity C16 one end, one end of the electric capacity C18 other end and crystal oscillator Y1, the pin 22 of chip U3 connects, the other end of the electric capacity C17 other end and crystal oscillator Y1, the pin 21 of chip U3 connects, the electric capacity C16 other end, the pin 16 of chip U3 is connected with resistance R6 one end, the pin 17 of chip U3, the resistance R6 other end is connected with resistance R5 one end, and the resistance R5 other end is connected with electric capacity C7 one end, the electric capacity C7 other end, electric capacity C8 one end, electric capacity C10 one end, electric capacity C12 one end is connected with the pin 1 of antenna P3, the pin 18 of chip U3, the pin 14 of chip U3, the pin 10 of chip U3, the pin 4 of chip U3, the pin 5 of chip U3, the pin 2 of antenna P3, the electric capacity C8 other end, the electric capacity C10 other end, the electric capacity C14 other end, electric capacity C9 one end, electric capacity C11 one end, the equal ground connection in electric capacity C15 one end, the electric capacity C12 other end and the electric capacity C14 other end, inductance L 2 one end connects, and inductance L 2 other end is connected with the pin 13 of chip U3, and inductance L 1 one end is connected with the pin 11 of chip U3, the other end of inductance L 1 and the electric capacity C15 other end, electric capacity C13 one end connects, the electric capacity C13 other end and the electric capacity C11 other end, the electric capacity C9 other end, the pin 3 of antenna P3 connects.
Pin 1 ground connection of chip U3, the pin 6 of chip U3 is connected with resistance R7 one end, and the pin 32 of the pin 2 of the resistance R7 other end, chip U3, the pin 3 of chip U3, chip U3, the pin 15 of chip U3, the pin 12 of chip U3 all connect 3.3V current potential.
The pin 29 of chip U3 is connected with the pin 24 of chip U4, and the pin 30 of chip U3 is connected with the pin 23 of chip U4, and the pin 31 of chip U3 is connected with the pin 22 of chip U4, and the pin 6 of chip U3 is connected with the pin 20 of chip U4.
Radio frequency module for reading and writing is the medium that main control module and IC-card carry out information transmission, main control module communicates with IC-card must by radio frequency module for reading and writing, radio frequency module for reading and writing adopts the RC522 chip of PHILIPS Co. as acp chip, communication between it and main control chip U4 and IC-card is all adopt SPI communication mode, has efficient feature easily.
As shown in Figure 4, voice module is provided with the chip U1 that model is WT588, SPI serial communication interface U2, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5, electric capacity C6, resistance R1, resistance R2, resistance R3, resistance R4, diode D1 and loudspeaker LS1, electric capacity C1 one end, the pin 3 of SPI serial communication interface U2 all connects 3.3V current potential, the electric capacity C1 other end, pin 4 all ground connection of SPI serial communication interface U2, the pin 2 of SPI serial communication interface U2 is connected with the pin 1 of chip U1, the pin 1 of SPI serial communication interface U2 is connected with the pin 3 of chip U1, the pin 5 of SPI serial communication interface U2 is connected with the pin 2 of chip U1, the pin 6 of SPI serial communication interface U2 is connected with the pin 4 of chip U1, the pin 7 of SPI serial communication interface U2, the pin 8 of SPI serial communication interface U2, the pin 5 of chip U1 all connects 3.3V current potential, the pin 7 of chip U1 is connected with the pin 41 of chip U4, and the pin 8 of chip U1 is connected with the pin 2 of chip U4, and the pin 9 of chip U1 is connected with the pin 3 of chip U4, resistance R1 mono-termination 3.3V current potential, the resistance R1 other end, the pin 10 of electric capacity C2 mono-chip termination U1, electric capacity C2 other end ground connection, the pin 11 of chip U1 is connected with diode D1 negative pole, and diode D1 positive pole is connected with resistance R4 one end, the resistance R4 other end, electric capacity C6 mono-termination 5V current potential, the electric capacity C6 other end, resistance R3 one end is connected with the pin 13 of chip U1, and electric capacity C5 one end is connected with the pin 12 of chip U1, the electric capacity C5 other end, the resistance R3 other end, the equal ground connection in electric capacity C4 one end, the pin 14 of chip U1, the electric capacity C4 other end, resistance R2 one end is connected with the pin 40 of chip U4, the pin 15 of chip U1, the pin 19 of chip U1, the equal ground connection in electric capacity C3 one end, the electric capacity C3 other end, the resistance R2 other end, the pin 17 of chip U1 all connects 5V current potential, and the pin 18 of chip U1 is connected with the pin 1 of loudspeaker LS1, and the pin 16 of chip U1 is connected with the pin 2 of loudspeaker LS1.
Communication between voice module and main control module is also adopt SPI mode, voice module can Direct driver 8 Europe, 0.5W loudspeaker LS1.Voice module has the busy way of output.Voice module automatically will carry out voice broadcast, lamprophonia after main control chip and IC-card password authentification correctly, and tonequality is good.
Radio frequency reading device is also provided with voice download module, and voice download module is connected respectively with main control module, voice module.By voice download module, can be combined with the host computer of specialty, the various voice of convenient download.The structure of voice download module does not repeat them here.
As shown in Figure 5, power module is provided with chip U5 that model is AMS117-25, electric capacity C20, electric capacity C27, interface P5, switch S 2, diode D5, electric capacity C24, electric capacity C23, diode D6 and resistance R9.
The pin 1 of chip U5, electric capacity C20 one end, the equal ground connection in electric capacity C27 one end, the pin 2 of the electric capacity C20 other end, the electric capacity C27 other end, chip U5 all connects 3.3V current potential, the pin 3 of chip U5, pin 2 and switch S 2 one end of interface P5 all connect 5V current potential, switch S 2 other end is connected with diode D5 positive pole, the negative pole of diode D5 is connected with electric capacity C24 one end, electric capacity C23 one end, diode D6 positive pole, diode D6 negative pole is connected with resistance R9 one end, pin 1 all ground connection of the resistance R9 other end, the electric capacity C23 other end, the electric capacity C24 other end, interface P5.
Power module circuitry is simple, can be system worked well and provides 5V and 3.3V voltage, ensured the normal work of whole system.
As shown in Figure 6, radio frequency reading device is also provided with USB charging module, and USB charging module is provided with switch S 1, chip U8, the resistance R81 of model TP4057, diode D81, diode D82, swept resistance W1, electric capacity C81 and electric capacity C82.
The pin 6 of switch S 1 meets VCC, the pin 4 of switch S 1, resistance R81 one end, the pin 4 of chip U8 is connected with one end of electric capacity C81, the resistance R81 other end and diode D81 positive pole, diode D82 positive pole connects, diode D81 negative pole is connected with the pin 1 of chip U8, diode D82 negative pole is connected with the pin 5 of chip U8, pin 3 and electric capacity C82 one end of chip U8, the positive pole of dry cell BT1 connects, the pin 6 of chip U8 and 2 ends of swept resistance W1, 3 ends connect, the pin 2 of chip U8, 1 end of swept resistance W1, the other end of electric capacity C82, the other end of electric capacity C81, the equal ground connection of negative pole of dry cell BT1.
USB charging module uses TP4057 as the acp chip of charging circuit.This module can make the charging modes of reading device convenient, as long as there is the place of USB interface can charge for recognizer.This charging circuit performance safety, reliable.
Practice finds, this radio frequency reading device structure is simple, volume is little, low in energy consumption, element cost is low, has with low cost, good reliability, the feature such as low in energy consumption.
embodiment 2.
A kind of radio frequency reading device, other structure is identical with embodiment 1, and difference is: the concrete components and parts adopting following parameter.
Concrete, electric capacity C23 is set to 10 microfarads, and resistance R8 is set to 10 kilo-ohms, and electric capacity C21, electric capacity C22 are all set to 22 pico farads, and the frequency of crystal oscillator Y2 is 12M.
Resistance R5 is set to 5.1 kilo-ohms, resistance R6 is 32 Europe, resistance R7 is 10 kilo-ohms, electric capacity C8, electric capacity C9 are all set to 22 pico farads, electric capacity C10, electric capacity C11 are all set to 100 pico farads, and electric capacity C12, electric capacity C13, electric capacity C14, electric capacity C15 are all set to 47 pico farads, and electric capacity C16 is set to 104 pico farads, electric capacity C17, electric capacity C18 are all set to 15 pico farads, and the frequency of crystal oscillator Y1 is 27.12M.
Electric capacity C1 is set to 104 pico farads, electric capacity C2 is set to 105 pico farads, electric capacity C3, electric capacity C4, electric capacity C5 are all set to 104 pico farads, electric capacity C6 is set to 101 pico farads, resistance R1 is set to 10 Europe, and resistance R2 is set to 1 kilo-ohm, and resistance R3 is set to 500 kilo-ohms, resistance R4 is set to 470 Europe, and inductance L 1, inductance L 2 are all set to 2.2 microhenrys.
Electric capacity C20 is set to 10 microfarads, and electric capacity C27 is 104 pico farads, and electric capacity C23 is set to 10 microfarads, and electric capacity C24 is set to 104 pico farads, and resistance R9 is 1 kilo-ohm.
Resistance R81 is set to 1 kilo-ohm, and swept resistance W1 is set to 20 kilo-ohms, and electric capacity C81 is set to 1 microfarad, and electric capacity C82 is set to 10 microfarads.
This radio frequency reading device band sound prompt function, antijamming capability is strong, has that low-power consumption, structure are simple, the feature of stable performance, reliably can realize the data transmission between recognizer and IC-card.
It should be noted that, the above-mentioned parameter of the present embodiment realizes this radio frequency reading device preferably one of mode, but be not limited to above-mentioned parameter, also can arrange flexibly according to specific needs.
embodiment 3.
A kind of radio-frequency recognition system, is made up of the radio frequency reading device of IC-card and above-described embodiment 1 or 2 any one.Concrete, IC-card is set to MIFARE card, radio frequency reading device and IC-card communication.
The non-contact IC card that MIFARE Ka Shi NXP company (semiconductor company of former PHILIPS Co.) manufactures, its concrete structure does not repeat them here.MIFARE card electric part is made up of an antenna and ASIC, and in MIFARE card, all energy of chip need of work are all provided by radio frequency reading device.It is 13.56MHZ electromagnetic wave that radio frequency reading device sends a class frequency by sky alignment IC-card, a LC resonant circuit is had in IC-card sheet, its frequency is identical with the frequency that radio frequency reading device is launched, under electromagnetic excitation, LC resonant circuit produces resonance, makes there has been electric charge in electric capacity, when the electric charge accumulated reaches 2V, this electric capacity just can provide operating voltage as power supply, and IC-card just can normally work, by the data that data in card are launched or received RF reading device sends.
Radio frequency module for reading and writing is the bridge that the STC89C52 chip U4 of control module communicates with IC-card, and all reading IC-cards or the data write on IC-card sheet all will be transmitted by MFRC522, and STC89C52 chip U4 control RC522 chip U3 carries out corresponding control operation.
This radio-frequency recognition system, records relevant information by IC-card, and carries out communication reading by radio frequency reading device, can carry out the true and false or information discriminating to the article with IC-card.It is strong that this radio-frequency recognition system has antijamming capability, structure is simple, stable performance, feature low in energy consumption.
embodiment 4.
For a radio-frequency recognition system for Pearl Accessories identification, be made up of the IC-card and radio frequency reading device as any in above-described embodiment 1 or 2 being loaded with ornaments information.The information that IC-card is loaded with is as relevant informations such as the names of an article of ornaments title, manufacturer and country origin, pearl culture place, pearl culture time, pearl shell, and relevant information can be input in IC-card with Chinese and English language in advance in advance.The IC-card of carrying information is embedded in the substrate position of the valuable ornaments such as pearl, and is encapsulated by marine glue.Concrete IC-card is set to MIFARE card, radio frequency reading device and IC-card communication.
Carry out valuable ornaments identification by this radio-frequency recognition system, can ornaments surface structure do not destroyed, carry out under not affecting ornaments prerequisite attractive in appearance.Radio frequency reading device is positioned within the scope of distance ornaments certain distance, the control module of radio frequency reading device communicates with IC-card, read the information on IC-card, STC89C52 chip U4 controls display device and carries out information displaying, and controls voice module and automatically report.
This is used for the radio-frequency recognition system of Pearl Accessories identification, and this radio-frequency recognition system reads by the IC-card recording information being embedded in ornaments substrate and carrying out communication by radio frequency reading device.There is antijamming capability strong, structure be simple, stable performance, feature low in energy consumption, effectively can carry out accurate calibration to Pearl Accessories etc.
Finally should be noted that; above embodiment is only in order to illustrate the technical solution of the utility model but not restriction to the utility model protection domain; although be explained in detail the utility model with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify to the technical solution of the utility model or equivalent replacement, and not depart from essence and the scope of technical solutions of the utility model.

Claims (10)

1. a radio frequency reading device, is characterized in that: be provided with main control module, radio frequency module for reading and writing, voice module, display device and power module, described main control module is provided with chip U4 that model is STC89C52, electric capacity C23, resistance R8, electric capacity C21, electric capacity C22 and crystal oscillator Y2, electric capacity C23 mono-termination 5V voltage, the pin 4 of the electric capacity C23 other end, resistance R8 mono-chip termination U4, the pin 16 of the resistance R8 other end, chip U4, electric capacity C21 one end, the equal ground connection in electric capacity C22 one end, the electric capacity C21 other end is connected with one end of crystal oscillator Y2, the pin 14 of chip U4, and the electric capacity C22 other end is connected with the other end of crystal oscillator Y2, the pin 15 of chip U4, radio frequency module for reading and writing is provided with chip U3 that model is RC522, resistance R5, resistance R6, resistance R7, electric capacity C8, electric capacity C9, electric capacity C10, electric capacity C11, electric capacity C12, electric capacity C13, electric capacity C14, electric capacity C15, inductance L 1, inductance L 2, antenna P3, electric capacity C16, electric capacity C17, electric capacity C18 and crystal oscillator Y1, electric capacity C18 one end, electric capacity C17 one end, the equal ground connection in electric capacity C16 one end, one end of the electric capacity C18 other end and crystal oscillator Y1, the pin 22 of chip U3 connects, the other end of the electric capacity C17 other end and crystal oscillator Y1, the pin 21 of chip U3 connects, the electric capacity C16 other end, the pin 16 of chip U3 is connected with resistance R6 one end, the pin 17 of chip U3, the resistance R6 other end is connected with resistance R5 one end, and the resistance R5 other end is connected with electric capacity C7 one end, the electric capacity C7 other end, electric capacity C8 one end, electric capacity C10 one end, electric capacity C12 one end is connected with the pin 1 of antenna P3, the pin 18 of chip U3, the pin 14 of chip U3, the pin 10 of chip U3, the pin 4 of chip U3, the pin 5 of chip U3, the pin 2 of antenna P3, the electric capacity C8 other end, the electric capacity C10 other end, the electric capacity C14 other end, electric capacity C9 one end, electric capacity C11 one end, the equal ground connection in electric capacity C15 one end, the electric capacity C12 other end and the electric capacity C14 other end, inductance L 2 one end connects, and inductance L 2 other end is connected with the pin 13 of chip U3, and inductance L 1 one end is connected with the pin 11 of chip U3, the other end of inductance L 1 and the electric capacity C15 other end, electric capacity C13 one end connects, the electric capacity C13 other end and the electric capacity C11 other end, the electric capacity C9 other end, the pin 3 of antenna P3 connects, pin 1 ground connection of chip U3, the pin 6 of chip U3 is connected with resistance R7 one end, and the pin 32 of the pin 2 of the resistance R7 other end, chip U3, the pin 3 of chip U3, chip U3, the pin 15 of chip U3, the pin 12 of chip U3 all connect 3.3V current potential, the pin 29 of chip U3 is connected with the pin 24 of chip U4, and the pin 30 of chip U3 is connected with the pin 23 of chip U4, and the pin 31 of chip U3 is connected with the pin 22 of chip U4, and the pin 6 of chip U3 is connected with the pin 20 of chip U4, described voice module is provided with the chip U1 that model is WT588, SPI serial communication interface U2, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5, electric capacity C6, resistance R1, resistance R2, resistance R3, resistance R4, diode D1 and loudspeaker LS1, electric capacity C1 one end, the pin 3 of SPI serial communication interface U2 all connects 3.3V current potential, the electric capacity C1 other end, pin 4 all ground connection of SPI serial communication interface U2, the pin 2 of SPI serial communication interface U2 is connected with the pin 1 of chip U1, the pin 1 of SPI serial communication interface U2 is connected with the pin 3 of chip U1, the pin 5 of SPI serial communication interface U2 is connected with the pin 2 of chip U1, the pin 6 of SPI serial communication interface U2 is connected with the pin 4 of chip U1, the pin 7 of SPI serial communication interface U2, the pin 8 of SPI serial communication interface U2, the pin 5 of chip U1 all connects 3.3V current potential, the pin 7 of chip U1 is connected with the pin 41 of chip U4, and the pin 8 of chip U1 is connected with the pin 2 of chip U4, and the pin 9 of chip U1 is connected with the pin 3 of chip U4, resistance R1 mono-termination 3.3V current potential, the resistance R1 other end, the pin 10 of electric capacity C2 mono-chip termination U1, electric capacity C2 other end ground connection, the pin 11 of chip U1 is connected with diode D1 negative pole, and diode D1 positive pole is connected with resistance R4 one end, the resistance R4 other end, electric capacity C6 mono-termination 5V current potential, the electric capacity C6 other end, resistance R3 one end is connected with the pin 13 of chip U1, and electric capacity C5 one end is connected with the pin 12 of chip U1, the electric capacity C5 other end, the resistance R3 other end, the equal ground connection in electric capacity C4 one end, the pin 14 of chip U1, the electric capacity C4 other end, resistance R2 one end is connected with the pin 40 of chip U4, the pin 15 of chip U1, the pin 19 of chip U1, the equal ground connection in electric capacity C3 one end, the electric capacity C3 other end, the resistance R2 other end, the pin 17 of chip U1 all connects 5V current potential, and the pin 18 of chip U1 is connected with the pin 1 of loudspeaker LS1, and the pin 16 of chip U1 is connected with the pin 2 of loudspeaker LS1.
2. radio frequency reading device according to claim 1, is characterized in that: described power module is provided with chip U5 that model is AMS117-25, electric capacity C20, electric capacity C27, interface P5, switch S 2, diode D5, electric capacity C24, electric capacity C23, diode D6 and resistance R9;
The pin 1 of chip U5, electric capacity C20 one end, the equal ground connection in electric capacity C27 one end, the pin 2 of the electric capacity C20 other end, the electric capacity C27 other end, chip U5 all connects 3.3V current potential, the pin 3 of chip U5, pin 2 and switch S 2 one end of interface P5 all connect 5V current potential, switch S 2 other end is connected with diode D5 positive pole, the negative pole of diode D5 is connected with electric capacity C24 one end, electric capacity C23 one end, diode D6 positive pole, diode D6 negative pole is connected with resistance R9 one end, pin 1 all ground connection of the resistance R9 other end, the electric capacity C23 other end, the electric capacity C24 other end, interface P5.
3. radio frequency reading device according to claim 2, it is characterized in that: be also provided with USB charging module, described USB charging module is provided with switch S 1, chip U8, the resistance R81 of model TP4057, diode D81, diode D82, swept resistance W1, electric capacity C81 and electric capacity C82, the pin 6 of switch S 1 meets VCC, the pin 4 of switch S 1, resistance R81 one end, the pin 4 of chip U8 is connected with one end of electric capacity C81, the resistance R81 other end and diode D81 positive pole, diode D82 positive pole connects, diode D81 negative pole is connected with the pin 1 of chip U8, diode D82 negative pole is connected with the pin 5 of chip U8, pin 3 and electric capacity C82 one end of chip U8, the positive pole of dry cell BT1 connects, the pin 6 of chip U8 and 2 ends of swept resistance W1, 3 ends connect, the pin 2 of chip U8, 1 end of swept resistance W1, the other end of electric capacity C82, the other end of electric capacity C81, the equal ground connection of negative pole of dry cell BT1.
4. the radio frequency reading device according to claims 1 to 3 any one, is characterized in that: described display device is set to LCD display, and LCD display is connected with described main control module.
5. the radio frequency reading device according to claims 1 to 3 any one, is characterized in that: be also provided with voice download module, and described voice download module is connected respectively with described main control module, described voice module.
6. radio frequency reading device according to claim 3, it is characterized in that: electric capacity C23 is set to 10 microfarads, resistance R8 is set to 10 kilo-ohms, and electric capacity C21, electric capacity C22 are all set to 22 pico farads, and the frequency of crystal oscillator Y2 is 12M; Resistance R5 is set to 5.1 kilo-ohms, resistance R6 is 32 Europe, resistance R7 is 10 kilo-ohms, electric capacity C8, electric capacity C9 are all set to 22 pico farads, electric capacity C10, electric capacity C11 are all set to 100 pico farads, and electric capacity C12, electric capacity C13, electric capacity C14, electric capacity C15 are all set to 47 pico farads, and electric capacity C16 is set to 104 pico farads, electric capacity C17, electric capacity C18 are all set to 15 pico farads, and the frequency of crystal oscillator Y1 is 27.12M; Electric capacity C1 is set to 104 pico farads, electric capacity C2 is set to 105 pico farads, electric capacity C3, electric capacity C4, electric capacity C5 are all set to 104 pico farads, electric capacity C6 is set to 101 pico farads, resistance R1 is set to 10 Europe, and resistance R2 is set to 1 kilo-ohm, and resistance R3 is set to 500 kilo-ohms, resistance R4 is set to 470 Europe, and inductance L 1, inductance L 2 are all set to 2.2 microhenrys.
7. radio frequency reading device according to claim 6, it is characterized in that: electric capacity C20 is set to 10 microfarads, electric capacity C27 is 104 pico farads, and electric capacity C23 is set to 10 microfarads, and electric capacity C24 is set to 104 pico farads, resistance R9 is 1 kilo-ohm.
8. radio frequency reading device according to claim 7, it is characterized in that: resistance R81 is set to 1 kilo-ohm, swept resistance W1 is set to 20 kilo-ohms, and electric capacity C81 is set to 1 microfarad, and electric capacity C82 is set to 10 microfarads.
9. a radio-frequency recognition system, is characterized in that: be made up of IC-card and the radio frequency reading device as described in claim 1 to 8 any one, described IC-card is set to MIFARE card, described radio frequency reading device and described IC-card communication.
10. the radio-frequency recognition system for Pearl Accessories mark, it is characterized in that: by being loaded with the IC-card of ornaments information and the radio frequency reading device as described in claim 1 to 8 any one is formed, described IC-card is embedded in ornaments substrate, and encapsulated by marine glue, described IC-card is set to MIFARE card, described radio frequency reading device and described IC-card communication.
CN201520676658.4U 2015-09-04 2015-09-04 Radio frequency is known read mean , identification system and is used for radio frequency identification system of pearl ornaments sign Expired - Fee Related CN204856533U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105046248A (en) * 2015-09-04 2015-11-11 广东海洋大学 Radio frequency reading device and reading system and radio frequency identification system used for pearl accessory identifying

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105046248A (en) * 2015-09-04 2015-11-11 广东海洋大学 Radio frequency reading device and reading system and radio frequency identification system used for pearl accessory identifying

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