CN206236098U - A kind of rfid device for being applied to car networking terminal - Google Patents
A kind of rfid device for being applied to car networking terminal Download PDFInfo
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- CN206236098U CN206236098U CN201620946834.6U CN201620946834U CN206236098U CN 206236098 U CN206236098 U CN 206236098U CN 201620946834 U CN201620946834 U CN 201620946834U CN 206236098 U CN206236098 U CN 206236098U
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Abstract
The utility model discloses a kind of rfid device for being applied to car networking terminal, RFID tag and dio Output Modules including radio-frequency identification reader, the object to be identified information that is stored with, radio-frequency identification reader and dio Output Modules are connected with car networking terminal respectively, information in radio-frequency identification reader reading rfid tags simultaneously realizes communication, the output of car networking terminal control dio Output Modules by spi bus and car networking terminal.The device is combined REID with car networking terminal, the intelligent management to fleet is strengthened, by the typing of driver information, it is possible to achieve the work attendance to driver, with reference to the vehicle operation data that car networking terminal is gathered, the driving behavior of driver can be effectively analyzed；Dio Output Modules are mounted with simultaneously, driver can be effectively reminded.
Description
Technical field
The utility model is related to a kind of rfid device for being applied to car networking terminal, belongs to electronic communication technology neck
Domain.
Background technology
With the application at full speed of car networking technology, registered under existing driver's line, entering into restriction technique
One obstruction of one step development, if can there is this when a kind of technology can to realize the identification of driver information, typing, so as to reality
The behavioural analysis of existing driver, then would is that a positive promotion for the extension of car networking technology.
Radio frequency identification（RFID）It is a kind of wireless communication technology, by radio signals identification specific objective and can reads and writes
Related data, and without setting up machinery or optical contact, in recent years RFID product categories between identifying system and specific objective
More enrich, active electronic label, passive electronic label and semi-passive electronic tag are developed, and electronic tag cost is continuous
Reduce, sizable application industry expand, with RFID technique develop rapidly with it is perfect, future will also be had very in car networking field
Big application.
Utility model content
The utility model is in order to overcome the shortcomings of above technology, there is provided a kind of radio frequency identification for being applied to car networking terminal
Device.
The utility model overcomes the technical scheme that its technical problem is used to be：
A kind of rfid device for being applied to car networking terminal, including radio-frequency identification reader, be stored with it is to be identified right
The RFID tag and dio Output Modules of image information, radio-frequency identification reader and dio Output Modules respectively with car networking
Terminal is connected, and the information in radio-frequency identification reader reading rfid tags is simultaneously realized by spi bus with car networking terminal
Communication, the output of car networking terminal control dio Output Modules.
Preferred according to the utility model, the radio-frequency identification reader includes read-write chip U7, termination power and antenna,
Termination power and antenna are connected with read-write chip U7.
Preferred according to the utility model, the read-write chip U7 uses chip RC522, termination power include electric capacity 7C1,
Electric capacity 7C2, electric capacity 7C3, electric capacity 7C4, electric capacity 7C5, electric capacity 7C6, electric capacity 7C7, electric capacity 7C8, electric capacity 7C9, electric capacity 7C10, electric capacity
7C11, inductance 7L1, inductance 7L2, resistance 7R2, resistance 7R3, resistance 7R8 and crystal oscillator X1；The chip RC522's
Pin 31,30,29 connect spi bus, chip RC522 pin 6 connection resistance 7R8, the pin 1 of chip RC522,4,5,10,
18 ground connection, the connection power supply of pin 32 of chip RC522, the pin 15,3,2,12 of chip RC522 connects power supply and passes through electric capacity simultaneously
7C1 is grounded, and one end of the connection inductance of pin 11 7L1 of chip RC522, the other end of inductance 7L1 connects the one of electric capacity 7C4 simultaneously
End and one end of electric capacity 7C2, the other end of electric capacity 7C4 connect one end of electric capacity 7C6 and one end of electric capacity 7C8, chip simultaneously
The pin 14 of RC522 is grounded and connects the other end, the other end of electric capacity 7C6, one end of electric capacity 7C3, the electric capacity of electric capacity 7C2 simultaneously
One end of 7C7 and one end of electric capacity 7C8, one end of the connection inductance of pin 13 7L2 of chip RC522, the other end of inductance 7L2 are same
When connection electric capacity 7C3 the other end and one end of electric capacity 7C5, the other end of electric capacity 7C5 connect simultaneously electric capacity 7C7 the other end and
One end of electric capacity 7C8, the pin 17 of chip RC522 connects one end of resistance 7R2 and one end of resistance 7R3 simultaneously, resistance 7R3's
The other end of other end connection electric capacity 7C8, the pin 16 of chip RC522 connects the other end and electric capacity 7C9 of resistance 7R2 simultaneously
One end, the pin 21 of chip RC522 connects one end of crystal oscillator X1 and one end of electric capacity 7C10 simultaneously, and electric capacity 7C9's is another
One end is grounded and connects the other end of electric capacity 7C10 simultaneously, and the pin 22 of chip RC522 connects the another of crystal oscillator X1 simultaneously
One end and one end of electric capacity 7C11, the other end ground connection of electric capacity 7C11.
Preferred according to the utility model, the RFID tag is passive label, and RFID tag has unique
An electronic code, be attached to for identifying destination object on object, its work capacity is penetrated from video identification reader
Frequency energy.
Preferred according to the utility model, the dio Output Modules include active buzzer BUZZ1, diode 7D1, three
Pole pipe 7T1, resistance 7R6 and resistance 7R7, the pin 1 of active buzzer BUZZ1 connect power supply, the pin 2 of active buzzer BUZZ1
The colelctor electrode of connecting triode 7T1, a termination power of diode 7D1, the other end connecting triode 7T1's of diode 7D1
Colelctor electrode, the base stage of triode 7T1 connects one end of resistance 7R6 and one end of resistance 7R7, another termination of resistance 7R7 simultaneously
Ground, the other end of resistance 7R6 is connected with the BUZZ-CTRL pins of car networking terminal main control chip, and the emitter stage of triode 7T1 connects
Ground.
The beneficial effects of the utility model are：
Device of the present utility model is combined REID with car networking terminal, strengthens the intellectuality pipe to fleet
Reason, by the typing of driver information, it is possible to achieve the work attendance to driver, the vehicle gathered with reference to car networking terminal travels number
According to can effectively analyze the driving behavior of driver；Dio Output Modules are mounted with simultaneously, driver can be effectively reminded.
Brief description of the drawings
Fig. 1 is theory structure schematic diagram of the present utility model.
Fig. 2 is the circuit connection diagram of radio-frequency identification reader of the present utility model.
Fig. 3 is the circuit connection diagram of dio Output Modules of the present utility model.
In figure, 1, car networking terminal, 2, radio-frequency identification reader, 3, RFID tag, 4, dio Output Modules, 5, electricity
Source.
Specific embodiment
The utility model is better understood from for the ease of those skilled in the art, below in conjunction with the accompanying drawings with specific embodiment to this reality
It is described in further details with new, following is only exemplary not limit protection domain of the present utility model.
The utility model discloses a kind of rfid device for being applied to car networking terminal, as shown in figure 1, including radio frequency
Identification reader 2, the RFID tag 3 and dio Output Modules 4 of the object to be identified information that is stored with, radio frequency identification are read
Device 2 and dio Output Modules 4 are connected with car networking terminal 1 respectively, car networking terminal 1, radio-frequency identification reader 2 and audio output
Module 4 provides power supply by power supply 5, and the main control chip of car networking terminal 1 uses singlechip chip STM32, RFID tag 3
During near radio-frequency identification reader 2, radio-frequency identification reader 2 is using in half-duplex operation mode reading rfid tags 3
Information simultaneously realizes communication by spi bus and car networking terminal 1, and the control dio Output Modules 4 of car networking terminal 1 are exported.
As shown in Fig. 2 the radio-frequency identification reader 2 include read-write chip U7, termination power and antenna, termination power and
Antenna is connected with read-write chip U7.The read-write chip U7 uses chip RC522, and chip RC522 is a being applied to
High integration read-write card family chip in 13.56MHz contactless communications, it uses with the main control chip of car networking terminal 1 and connects
The less serial communication of line, chooses SPI protocol and realizes communication with car networking terminal 1；Low frequency and high-frequency RF ID use inductive
Mode is operated, and in this working method, equivalent to inductance, inductance coil produces alternating magnetic field to the antenna of coil form,
Make to be intercoupled between radio-frequency identification reader 2 and RFID tag 3, constitute the working method of inductive；Meanwhile, line
The inductance for producing is enclosed with the capacitor combination in radio-frequency identification reader circuit together with, formation resonance circuit, resonance circuit can be with
Realize the transmission of low frequency and high-frequency RF ID energy and data.Termination power includes electric capacity 7C1, electric capacity 7C2, electric capacity 7C3, electric capacity
7C4, electric capacity 7C5, electric capacity 7C6, electric capacity 7C7, electric capacity 7C8, electric capacity 7C9, electric capacity 7C10, electric capacity 7C11, inductance 7L1, inductance
7L2, resistance 7R2, resistance 7R3, resistance 7R8 and crystal oscillator X1.The pin 31,30,29 of the chip RC522 is connected
Spi bus are simultaneously connected by spi bus with the main control chip STM32 of car networking terminal 1, the connection resistance of pin 6 of chip RC522
The pin 1,4,5,10,18 of 7R8, chip RC522 is grounded, the connection power supply of pin 32 of chip RC522, the pin of chip RC522
15th, 3,2,12 connect power supply and be grounded by electric capacity 7C1 simultaneously, one end of the connection inductance of pin 11 7L1 of chip RC522, inductance
The other end of 7L1 connects one end of electric capacity 7C4 and one end of electric capacity 7C2 simultaneously, and the other end of electric capacity 7C4 connects electric capacity simultaneously
One end of 7C6 and one end of electric capacity 7C8, the pin 14 of chip RC522 are grounded and connect the other end, the electric capacity of electric capacity 7C2 simultaneously
One end of the other end of 7C6, one end of electric capacity 7C3, one end of electric capacity 7C7 and electric capacity 7C8, the pin 13 of chip RC522 are connected
One end of inductance 7L2, the other end of inductance 7L2 connects the other end of electric capacity 7C3 and one end of electric capacity 7C5 simultaneously, electric capacity 7C5's
The other end connects the other end of electric capacity 7C7 and one end of electric capacity 7C8 simultaneously, and the pin 17 of chip RC522 connects resistance 7R2 simultaneously
One end and resistance 7R3 one end, the other end of the other end connection electric capacity 7C8 of resistance 7R3, the pin 16 of chip RC522 is same
When connection resistance 7R2 the other end and one end of electric capacity 7C9, the pin 21 of chip RC522 connects crystal oscillator X1's simultaneously
One end and one end of electric capacity 7C10, the simultaneously other end ground connection of electric capacity 7C9 and the other end of connection electric capacity 7C10, chip RC522
Pin 22 connect the other end of crystal oscillator X1 and one end of electric capacity 7C11, the other end ground connection of electric capacity 7C11 simultaneously.
RFID tag 3 described in the present embodiment uses passive label, and RFID tag 3 is with a unique electronics
Coding, is attached to for identifying destination object on object, RF energy of its work capacity from video identification reader.
As shown in figure 3, the dio Output Modules 4 include active buzzer BUZZ1, diode 7D1, triode 7T1, electricity
Resistance 7R6 and resistance 7R7, triode 7T1 use the pin 1 of S8050, active buzzer BUZZ1 to connect power supply, active buzzer
The colelctor electrode of the connecting triode 7T1 of pin 2 of BUZZ1, a termination power of diode 7D1, the other end connection of diode 7D1
The colelctor electrode of triode 7T1, the base stage of triode 7T1 connects one end of resistance 7R6 and one end of resistance 7R7, resistance 7R7 simultaneously
Other end ground connection, the other end of resistance 7R6 is connected with the BUZZ-CTRL pins of car networking terminal main control chip, triode 7T1
Grounded emitter.Simple oscillation circuit inside active buzzer, can by constant DC conversion into certain frequency arteries and veins
Signal is rushed, so as to realize magnetic field alternation, molybdenum sheet vibratory sound is driven.
Above only describes general principle of the present utility model and preferred embodiment, those skilled in the art can be according to above-mentioned
Many changes and improvements are made in description, and these changes and improvements should belong to protection domain of the present utility model.
Claims (5)
1. a kind of rfid device for being applied to car networking terminal, it is characterised in that：Including radio-frequency identification reader（2）, deposit
Contain the RFID tag of object to be identified information（3）And dio Output Modules（4）, radio-frequency identification reader（2）And sound
Frequency output module（4）Respectively with car networking terminal（1）Connection, radio-frequency identification reader（2）Reading rfid tags（3）In
Information simultaneously passes through spi bus and car networking terminal（1）Realize communication, car networking terminal（1）Control dio Output Modules（4）It is defeated
Go out.
2. device according to claim 1, it is characterised in that：The radio-frequency identification reader（2）Including read-write chip U7,
Termination power and antenna, termination power and antenna are connected with read-write chip U7.
3. device according to claim 2, it is characterised in that：The read-write chip U7 uses chip RC522, termination power
Including electric capacity 7C1, electric capacity 7C2, electric capacity 7C3, electric capacity 7C4, electric capacity 7C5, electric capacity 7C6, electric capacity 7C7, electric capacity 7C8, electric capacity 7C9,
Electric capacity 7C10, electric capacity 7C11, inductance 7L1, inductance 7L2, resistance 7R2, resistance 7R3, resistance 7R8 and crystal oscillator X1；Institute
The connection spi bus of pin 31,30,29 of chip RC522 are stated, the pin 6 of chip RC522 connects resistance 7R8, chip RC522's
Pin 1,4,5,10,18 is grounded, and the connection power supply of pin 32 of chip RC522, the pin 15,3,2,12 of chip RC522 connects power supply
And be grounded by electric capacity 7C1 simultaneously, one end of the connection inductance of pin 11 7L1 of chip RC522, the other end of inductance 7L1 is simultaneously
One end of connection electric capacity 7C4 and one end of electric capacity 7C2, the other end of electric capacity 7C4 connect one end and the electric capacity of electric capacity 7C6 simultaneously
One end of 7C8, the pin 14 of chip RC522 is grounded and connects the other end, the other end of electric capacity 7C6, the electric capacity of electric capacity 7C2 simultaneously
One end of one end, one end of electric capacity 7C7 and electric capacity 7C8 of 7C3, one end of the connection inductance of pin 13 7L2 of chip RC522, electricity
The other end for feeling 7L2 connects the other end of electric capacity 7C3 and one end of electric capacity 7C5 simultaneously, and the other end of electric capacity 7C5 connects electricity simultaneously
Hold the other end of 7C7 and one end of electric capacity 7C8, the pin 17 of chip RC522 connects one end and the resistance 7R3 of resistance 7R2 simultaneously
One end, the other end of the other end connection electric capacity 7C8 of resistance 7R3, the pin 16 of chip RC522 connects resistance 7R2's simultaneously
One end of the other end and electric capacity 7C9, the pin 21 of chip RC522 simultaneously connects one end and the electric capacity 7C10 of crystal oscillator X1
One end, the other end ground connection of electric capacity 7C9 and the simultaneously other end of connection electric capacity 7C10, the pin 22 of chip RC522 is connected simultaneously
The other end of crystal oscillator X1 and one end of electric capacity 7C11, the other end ground connection of electric capacity 7C11.
4. device according to claim 1, it is characterised in that：The RFID tag（3）It is passive label.
5. device according to claim 1, it is characterised in that：The dio Output Modules（4）Including active buzzer
BUZZ1, diode 7D1, triode 7T1, resistance 7R6 and resistance 7R7, the pin 1 of active buzzer BUZZ1 connect power supply, active
The colelctor electrode of the connecting triode 7T1 of pin 2 of buzzer BUZZ1, a termination power of diode 7D1, diode 7D1's is another
The base stage of the colelctor electrode of connecting triode 7T1, triode 7T1 is held to connect one end of resistance 7R6 and one end of resistance 7R7 simultaneously,
The other end ground connection of resistance 7R7, the other end of resistance 7R6 is connected with the BUZZ-CTRL pins of car networking terminal main control chip, and three
The grounded emitter of pole pipe 7T1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620946834.6U CN206236098U (en) | 2016-08-26 | 2016-08-26 | A kind of rfid device for being applied to car networking terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620946834.6U CN206236098U (en) | 2016-08-26 | 2016-08-26 | A kind of rfid device for being applied to car networking terminal |
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| CN206236098U true CN206236098U (en) | 2017-06-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106339652A (en) * | 2016-08-26 | 2017-01-18 | 中国重汽集团济南动力有限公司 | RFID (radio frequency identification) device for internet-of-vehicle terminal |
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2016
- 2016-08-26 CN CN201620946834.6U patent/CN206236098U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106339652A (en) * | 2016-08-26 | 2017-01-18 | 中国重汽集团济南动力有限公司 | RFID (radio frequency identification) device for internet-of-vehicle terminal |
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