CN208384878U - Intelligent automobile teaching platform - Google Patents
Intelligent automobile teaching platform Download PDFInfo
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- CN208384878U CN208384878U CN201721731793.XU CN201721731793U CN208384878U CN 208384878 U CN208384878 U CN 208384878U CN 201721731793 U CN201721731793 U CN 201721731793U CN 208384878 U CN208384878 U CN 208384878U
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Abstract
The utility model discloses a kind of intelligent automobile teaching platforms, including main control processor, the tracking sensor being connected with main control processor, attitude transducer, wireless control module, speed measuring module, power supply circuit, motor-drive circuit and OLED display screen, tracking sensor includes laser transmission circuit and laser pick-off circuit, laser transmission circuit includes adjustable resistance, first triode, second triode, first laser diode, second laser diode, third laser diode, 4th laser diode, 5th laser diode, first driving triode, second driving triode, third driving triode, 4th driving triode, 5th driving triode and the 6th driving triode；Laser pick-off circuit includes the identical laser pick-off pipe of five line structures.The structure setting of the utility model is reasonable, and laser transmission circuit and laser pick-off circuit is used to realize tracking sensor, it is ensured that the reliability of tracking operation, stability in use are good.
Description
Technical field
The utility model belongs to teaching equipment technical field, and in particular to a kind of intelligent automobile teaching platform.
Background technique
Currently, all kinds of chambers for electronic instruction equipment have been popularized and very universal, all kinds of chambers have
Function abundant is generally provided with external equipment module, cooperates the operation instruction and operating procedure of simple declaration, electron religion
Bring convenience, but its there is also certain disadvantages, since the mode of connection is fixed, so that the function of modules is drilled
Show more single, student can not be allowed to understand the rest by analogy, only single reuse, can not flexibly use multiple module complicated composition
Function, lack itself thinking to problem, not only reduce the learning interest of student, and will affect teaching efficiency, therefore
And applicability and practicability are restricted.
Summary of the invention
The intelligent automobile teaching that reasonable and stability in use is good the purpose of the utility model is to provide a kind of structure setting is flat
Platform.
Realize the utility model aim technical solution be: a kind of intelligent automobile teaching platform, including main control processor, with
Tracking sensor that the main control processor is connected, attitude transducer, wireless control module, speed measuring module, power supply electricity
Road, motor-drive circuit and OLED display screen, the tracking sensor include laser transmission circuit and laser pick-off circuit, described
Laser transmission circuit includes adjustable resistance, the 5th resistance, the 4th resistance, the first triode, the second triode, second resistance,
Three resistance, the 6th resistance, first resistor, first laser diode, second laser diode, third laser diode, the 4th swash
Optical diode, the 5th laser diode, the first driving triode, the second driving triode, third driving triode, the 4th driving
Triode, the 5th driving triode and the 6th driving triode, the base stage of first triode by the 4th resistance with it is adjustable
Resistance is connected, and one end of the 5th resistance is connected to the other end on the tie point of the 4th resistance and adjustable resistance and is grounded, institute
The collector for stating the first triode is connected on power supply by second resistance, emitter ground connection, the base stage of second triode
Be connected on the collector of the first triode, emitter ground connection and collector are connected on power supply by 3rd resistor, described the
The base stage of six driving triodes is connected on the collector of the second triode, and one end of the 6th resistance is connected to the 4th resistance
Between adjustable resistance and the other end is connected on the collector of the second triode, first driving triode, the second driving
Triode, third driving triode, the 4th driving triode, the 5th driving triode emitter with the 6th driving triode
Collector be connected and the emitter of the 6th driving triode be grounded, first driving triode, the second driving triode,
Third driving triode, the 4th driving triode, the 5th driving triode collector be separately connected first laser diode,
Electricity is connected by first resistor after dual-laser diode, third laser diode, the 4th laser diode, the 5th laser diode
Source, first driving triode, the second driving triode, third driving triode, the 4th driving triode, the 5th driving three
The base stage of pole pipe is connected on the different pins of connecting terminal；The laser pick-off circuit, which includes that five line structures are identical, to swash
Light receiving tube.
The operational amplifier that the speed measuring module includes rotary encoder, is connected with the rotary encoder, the fortune
The output end for calculating amplifying circuit is connected with main control processor.
The main control processor includes main control chip, the clock circuit being connected with the main control chip and the master control
The reset circuit and the download circuit and electric source filter circuit being connected with the main control chip that chip is connected,
The reset circuit includes and door chip SN74LVC2G08DCUR and CAT818S chip, the door chip
The output end of SN74LVC2G08DCUR is connected with the input terminal of CAT818S chip.
The attitude transducer includes MMA7260 acceleration chip, ENC03 gyroscope and amplifier chip, the MMA7260
Acceleration chip is connected with the AD1-AD3 signal input pin of main control chip, the ENC03 gyroscope and the amplifier core
Piece is connected and amplifier chip is connected with the AD4 signal input pin of main control chip.
The power supply circuit includes LM1048 voltage stabilizing chip and ASM1117 voltage stabilizing chip, the ASM1117 pressure stabilizing core
The power input of piece is connected with the power output end of the LM1048 voltage stabilizing chip.
The model MK60DN512VLQ10 of the main control chip.
The utility model has the effect of positive: the structure setting of the utility model is reasonable, uses laser transmission circuit
Tracking sensor is realized with laser pick-off circuit, not only recognition capability is strong and transmitting range is remote, it is ensured that tracking operation
Reliability, stability in use is good and advantageously improves the effect of teaching, practical.
Detailed description of the invention
In order to be more likely to be clearly understood the content of the utility model, below according to specific embodiment and combine attached
Figure, is described in further detail the utility model, in which:
Fig. 1 is the structural block diagram of the utility model；
Fig. 2 is the physical circuit figure of tracking sensor in the utility model；
Fig. 3 is the physical circuit figure of main control processor in the utility model；
Fig. 4 is the physical circuit figure of attitude transducer in the utility model；
Fig. 5 is the physical circuit figure of speed measuring module in the utility model；
Fig. 6 is the physical circuit figure of power supply circuit in the utility model；
Fig. 7 is motor-drive circuit in the utility model.
Specific embodiment
(embodiment 1)
Fig. 1 to Fig. 7 shows a kind of specific embodiment of the utility model, and wherein Fig. 1 is the structure of the utility model
Block diagram；Fig. 2 is the physical circuit figure of tracking sensor in the utility model；Fig. 3 is the tool of main control processor in the utility model
Body circuit diagram；Fig. 4 is the physical circuit figure of attitude transducer in the utility model；Fig. 5 is speed measuring module in the utility model
Physical circuit figure；Fig. 6 is the physical circuit figure of power supply circuit in the utility model；Fig. 7 is that motor drives in the utility model
Dynamic circuit.
See Fig. 1 to Fig. 7, a kind of intelligent automobile teaching platform, including main control processor 1, be connected with the main control processor 1
Tracking sensor 2, attitude transducer 3, wireless control module 4, speed measuring module 5, power supply circuit 6, the motor driven electricity connect
Road 7 and OLED display screen 8, the tracking sensor 2 include laser transmission circuit 21 and laser pick-off circuit 22, the laser hair
Transmit-receive radio road includes adjustable resistance P1, the 5th resistance R5, the 4th resistance R4, the first triode S1, the second triode S2, second resistance
R2,3rd resistor R3, the 6th resistance R6, first resistor R1, first laser diode D1, second laser diode D2, third swash
Optical diode D3, the 4th laser diode D4, the 5th laser diode D5, the first driving triode Q1, the second driving triode
Q2, third driving triode Q3, the 4th driving triode Q4, the 5th driving triode Q5 and the 6th driving triode S3, it is described
The base stage of first triode is connected by the 4th resistance with adjustable resistance, and one end of the 5th resistance is connected to the 4th resistance
It is grounded with the other end on the tie point of adjustable resistance, the collector of first triode is connected to power supply by second resistance
Upper, emitter ground connection, the base stage of second triode is connected on the collector of the first triode, emitter is grounded and current collection
Pole is connected on power supply by 3rd resistor, and the base stage of the 6th driving triode is connected to the collector of the second triode
On, one end of the 6th resistance is connected between the 4th resistance and adjustable resistance and the other end is connected to the collection of the second triode
On electrode, first driving triode, the second driving triode, third driving triode, the 4th driving triode, the 5th are driven
The emitter of dynamic triode is connected with the collector of the 6th driving triode and the emitter of the 6th driving triode is grounded,
First driving triode, the second driving triode, third driving triode, the 4th driving triode, the 5th three poles of driving
The collector of pipe is separately connected first laser diode, second laser diode, third laser diode, two pole of the 4th laser
Pipe, after the 5th laser diode by first resistor connection power supply, first driving triode, the second driving triode, the
Three driving triodes, the 4th driving triode, the base stage of the 5th driving triode are connected to the different pins of connecting terminal
On；The laser pick-off circuit includes the identical laser pick-off pipe P2-P6 of five line structures.
See Fig. 2, Laser emission receiving sensor is used for trolley tracking, passes through laser diode and laser pick-off pipe group
It closes, after can identifying that tracking path, laser diode emit laser, is reflected by ground, the light of reflection is connect by laser
Closed tube carries out reception processing, identifies tracking path.
Laser pick-off circuit uses 5 tunnel laser pick-off pipes and acquires reflection light, and the pin 1 of laser pick-off pipe P2 connects
Ground, the pin 2 of laser pick-off pipe P2 connect resistance R7, and the resistance R7 other end connects 5V power supply, and the pin 2 of laser pick-off pipe P2 connects
The pin 1 of connecting terminal P7 is connect, the pin 1 of laser pick-off pipe P3 connects ground, and the pin 2 of laser pick-off pipe P3 connects resistance R8,
The resistance R8 other end connects 5V power supply, and the pin 2 of laser pick-off pipe P3 connects the pin 3 of connecting terminal P7, laser pick-off pipe P4
Pin 1 connect ground, the pin 2 of laser pick-off pipe P4 connects resistance R9, and the resistance R9 other end connects 5V power supply, laser pick-off pipe
The pin 2 of P4 connects the pin 5 of connecting terminal P7, and the pin 1 of laser pick-off pipe P5 connects ground, the pin 2 of laser pick-off pipe P5
Resistance R10 is connected, the resistance R10 other end connects 5V power supply, and the pin 2 of laser pick-off pipe P5 connects the pin 7 of connecting terminal P7,
The pin 1 of laser pick-off pipe P6 connects ground, and the pin 2 of laser pick-off pipe P6 connects resistance R11, and the resistance R11 other end connects 5V
Power supply, the pin 2 of laser pick-off pipe P6 connect the pin 9 of connecting terminal P7.Capacitor C1 is used for power filter, capacitor C1 connection 5V
Power supply, capacitor C1 other end connection ground.Capacitor C2 is used for power filter, capacitor C2 connection 5V power supply, the connection of the capacitor C2 other end
Ground.Capacitor C3 is used for power filter, capacitor C3 connection 5V power supply, capacitor C3 other end connection ground.Capacitor C4 is used for power filter,
Capacitor C4 connection 5V power supply, capacitor C4 other end connection ground.Capacitor C5 is used for power filter, capacitor C5 connection 5V power supply, capacitor
C5 other end connection ground.
Laser transmission circuit, the pin 1 of adjustable resistance P1 connect resistance R5, and the resistance R5 other end is connected to ground, adjustable electric
The pin 1 for hindering P1 connects resistance R4 and 6, the pin 1 of the other end connection NPN triode S1 of resistance R4, the other end of resistance R6
3 feet of NPN triode S2 are connected to, the pin 2 of adjustable resistance P1 is connected to 5V power supply, and the pin 2 of NPN triode S1 is connected to
Ground, the pin 3 of NPN triode S1 are connected to the pin 1 of resistance R2 and NPN triode S2, and the other end of resistance R2 is connected to 5V
Power supply, the pin 2 of NPN triode S2 are connected to ground, and the pin 3 of NPN triode S2 is connected to resistance R3, the other end of resistance R3
It is connected to 5V power supply, 3 feet of NPN triode S2 are connected to the pin 1 of NPN triode S3, and the pin 2 of NPN triode S3 connects
Pin 3 to ground, NPN triode S3 is connected respectively to the pin 2 of NPN triode Q1, is connected to the pin 2 of NPN triode Q2,
It is connected to the pin 2 of NPN triode Q3, is connected to the pin 2 of NPN triode Q4, is connected to the pin 2 of NPN triode Q5,
The pin 1 of NPN triode Q1 is connected on the pin 2 of connecting terminal P7, and the pin 1 of NPN triode Q2 is connected to connecting terminal
On the pin 4 of P7, the pin 1 of NPN triode Q3 is connected on the pin 6 of connecting terminal P7, and the pin 1 of NPN triode Q4 connects
It is connected on the pin 8 of connecting terminal P7, the pin 1 of NPN triode Q5 is connected on the pin 10 of connecting terminal P7.Tri- pole NPN
The pin 3 of pipe Q1 is connected to the pin 2 of laser emitting diode D1, and the pin 1 of laser diode D1 is connected to resistance R1, resistance
The other end of R1 is connected to 5V power supply, and the pin 3 of NPN triode Q2 is connected to the pin 2 of laser emitting diode D2, laser two
The pin 1 of pole pipe D2 is connected to resistance R1, and the other end of resistance R1 is connected to 5V power supply, and the pin 3 of NPN triode Q3 is connected to
The pin 2 of laser emitting diode D3, the pin 1 of laser diode D3 are connected to resistance R1, and the other end of resistance R1 is connected to
5V power supply, the pin 3 of NPN triode Q4 are connected to the pin 2 of laser emitting diode D4, and the pin 1 of laser diode D4 connects
It is connected to resistance R1, the other end of resistance R1 is connected to 5V power supply, and the pin 3 of NPN triode Q5 is connected to laser emitting diode
The pin 2 of D5, the pin 1 of laser diode D5 are connected to resistance R1, and the other end of resistance R1 is connected to 5V power supply, connecting terminal
The pin 11 of P7 connects ground, and the pin 12 of connecting terminal P7 connects 5V power supply.
The operational amplifier that the speed measuring module includes rotary encoder, is connected with the rotary encoder, the fortune
The output end for calculating amplifying circuit is connected with main control processor.
See that the encoder that Fig. 5 this system uses is incremental rotary encoder.Rotary encoder is one kind of measuring speed
Device, rotary encoder often rotate a circle, and will export certain number of pulse.Record reads rotation and compiles within the unit time
The umber of pulse of code device output, that is, may know that the circle number of rotary encoder rotation, the i.e. velocity of rotation of tire.Because of tire circumference one
It is fixed, it is all can be in the hope of the distance that trolley travels within the unit time, then the speed of trolley can be obtained by calculating, if single
The position time is sufficiently small, then can be approximately considered the velocity potential instantaneous velocity.The mode of velocity measuring uses step-by-step counting, passes through arteries and veins
It rushes accumulator and carries out pulse input capture, modulus counter is set as unit time interruption, in modulus counter interrupt routine
Read the count value of pulse accumulator.Step-by-step counting is inputted from P1 interface, and the pin 1 of P1 connection terminal connects resistance R4, electricity
Hinder R4 other end connection ground, the pin 2 of P1 connection terminal connects 5V power supply, the pin 3 of P1 connection terminal be connected to and capacitor
C2, the capacitor C2 other end are connected to 5V power supply, and the pin 4 of P1 connection terminal is connected to resistance R5, and the resistance R5 other end is connected to
5V power supply.The pin 1 of operational amplifier chip U1AB connects resistance R3, and the resistance R3 other end connects 5V power supply, and pin 1 connects electricity
R5 is hindered, the resistance R5 other end is connected to the pin 3 of operational amplifier chip U1AB, and the pin 1 of operational amplifier chip U1AB connects
It is connected to the pin 2 of J1 connecting terminal, the pin 2 of operational amplifier chip U1AB is connected to the pin 1 of P1 connecting terminal, and operation is put
The pin 3 of big device U1AB is connected to 3 feet of adjustable resistance R1, and the pin 4 of operational amplifier U1AB is connected to ground, operational amplifier
Pin 8 be connected to 5V power supply.The function of testing the speed makes trolley form the control of a speed closed loop, and trolley two-wheel can be improved
Upright stability.
The main control processor includes main control chip, the clock circuit being connected with the main control chip and the master control
The reset circuit and the download circuit and electric source filter circuit being connected with the main control chip that chip is connected,
The reset circuit includes and door chip SN74LVC2G08DCUR and CAT818S chip, the door chip
The output end of SN74LVC2G08DCUR is connected with the input terminal of CAT818S chip.
See that Fig. 3, main control chip use the MK60DN512VLQ10 of Freescale company production, MK60DN512VLQ10 is one
On the core board of the independent plug-in type of block, it is integrated with the minimum system of a single-chip microcontroller on core board, includes main control chip
Clock circuit, reset circuit, download circuit, electric source filter circuit.
The clock circuit of main control chip is divided into two, and one is that main control chip runs the system clock needed, a master control
The clock that chip interior RTC needs has the pin 1 of source crystal oscillator Y1 to connect the pin 73 of main control chip U1, there is the pipe of source crystal oscillator Y1
The connection of foot 2 ground, has the pin 3 of source crystal oscillator Y1 to connect the pin 72 of main control chip U1, has the pin 4 of source crystal oscillator Y1 to connect 3.3V electricity
Source.The pin 73 of main control chip U1 connects resistance R1 and capacitor C9, and the other end of resistance R1 is connected to capacitor C10, and capacitor C9 is another
One end is connected to ground, and the pin 72 of main control chip U1 is connected to capacitor C10, and the capacitor C10 other end is connected to ground.
The reset circuit of main control chip is formed by one with door chip SN74LVC2G08DCUR and CAT818S chip, with door
The pin 1 of chip U3A connects resistance R6, and the resistance R6 other end is connected to ground, resistance is connected to the pin 2 of door chip U3A
R4, the resistance R4 other end are connected to 3.3V power supply, ground are connected to the pin 4 of door chip U3A, with the pin of door chip U3A
Pin 7 is connected to the pin 2 of chip U2.The pin 1 of reset chip U2 is connected to ground, and pin 2 is connected to resistance R5, resistance R5's
The other end is connected to ground, and pin 3 is connected to capacitor C12, and the other end of capacitor C12 is connected to 3.3V power supply, and pin 3 is connected to electricity
R3 is hindered, the other end of resistance R3 is connected to 3.3V power supply, and pin 3 is connected to key S1, and the key S1 other end is connected to ground, pin
3 are connected to 3.3V power supply.The pin 54 of main control chip is connected to the pin 1 of U3A.The download circuit of main control chip, main control chip
Program is downloaded using jtag interface, the pin 1 of connecting terminal P3 connects 3.3V power supply, and pin 2 connects the pin 53 of main control chip,
Pin 3 is connected to ground, and pin 4 is connected to the pin 50 of main control chip, and pin 5 is connected to ground, and pin 6 is connected to main control chip
Pin 52, pin 8 are connected to the pin 51 of main control chip, and pin 9 is connected to the pin 54 of main control chip, and pin 10 is connected to master
Control the pin 74 of chip.
The electric source filter circuit of main control chip, the anode of capacitor C6 be connected to diode D1 anode and 3.3V power supply, two
The other end of pole pipe D1 is connected to the pin 42 of main control chip, and the cathode of capacitor C6 is connected to ground, capacitor C7 connection 3.3V power supply,
The other end of capacitor C7 is connected to ground, and the other end of inductance L1 connection 3.3V power supply, inductance L1 connects capacitor C5, inductance L3 connection
Ground, the other end of inductance L3 are connected to capacitor C5, and the pin 31 of main control chip U1 is connected to inductance L2 and capacitor C5, and inductance L2 connects
It is connected to capacitor C4, the pin 34 of main control chip U1 is connected to inductance L4 and capacitor C5, and the inductance L4 other end is connected to capacitor C4.It is main
The pin 32 for controlling chip U1 connects on capacitor C4, and the other end of capacitor C4 is connected to the pin 33 of main control chip U1.
The attitude transducer includes MMA7260 acceleration chip, ENC03 gyroscope and amplifier chip, the MMA7260
Acceleration chip is connected with the AD1-AD3 signal input pin of main control chip, the ENC03 gyroscope and the amplifier core
Piece is connected and amplifier chip is connected with the AD4 signal input pin of main control chip.
For type selecting chip range, U1 adds the pin 1 and pin 2 for seeing MMA7260 chip in Fig. 4 acceleration sensor circuit
The connection of velocity sensor chip MMA7260 pin 1 ground, pin 2 connect resistance R1, and the resistance R1 other end connects 3.3V power supply, pipe
Foot 3 connects 3.3V power supply, the connection of pin 4 ground, and pin 13 connects resistance R5, and the resistance R5 other end connects the AD acquisition of main control chip
Foot 3, pin 14 connect resistance R4, and the AD that the resistance R4 other end connects main control chip acquires foot 2, and pin 15 connects resistance R3, electricity
The AD for hindering R4 other end connection main control chip acquires foot 1, the AD acquisition foot 3 of capacitor C1 connection resistance R5 and main control chip, capacitor
The AD of C1 other end connection ground, capacitor C2 connection resistance R4 and main control chip acquires foot 2, capacitor C2 other end connection ground, capacitor
The AD of C3 connection resistance R3 and main control chip acquires foot 1, capacitor C3 other end connection ground.Gyroscope block is by gyroscope plus fortune
Amplifier composition is calculated, the pin 1 of gyroscope U2 connects capacitor C4, capacitor C4 other end connection ground, and pin 1 connects resistance R6,
The resistance R6 other end connects resistance R7, and the resistance R6 other end understands capacitor C5, and the resistance R6 other end connects operational amplifier chip
The pin 2 of U3, the other end of resistance R7 are connected to capacitor C5, and the other end of resistance R7 is connected to the pipe of operational amplifier chip U3
The AD of foot 6 and main control chip acquires foot 4, and the pin 2 of gyroscope U2 connects ground, and the pin 3 of gyroscope U2 connects 3.3V power supply, top
The pin 4 of spiral shell instrument U2 is connected to the pin 3 of operational amplifier chip U3.The pin 4 of operational amplifier chip U3 connects ground, operation
The pin 7 of amplifier chip U3 connects 3.3V power supply, and the pin 8 of operational amplifier chip U3 connects resistance R8, and resistance R8 is another
End is connected to ground.
The power supply circuit includes LM1048 voltage stabilizing chip and ASM1117 voltage stabilizing chip, the ASM1117 pressure stabilizing core
The power input of piece is connected with the power output end of the LM1048 voltage stabilizing chip.
As shown in fig. 6, having used two groups of LM1084 power supplys in other modules of feed system, servo driving module is independent
Occupy one group, this is because steering engine has very big current fluctuation in the moment of reaction, other modules share one group of power supply, accomplish electricity
Each self-isolation in source avoids bringing mutual coupled interference.LM1084 voltage stabilizing chip can provide the electric current of maximum 5A, powerful
Load capacity is reduced since electric current influences bring interference.System provides 7.2V voltage by battery, and battery input is connected to
Power supply chip LM1084 input pin 3, power supply chip LM1084 input pin 3 connect capacitor C3, and the capacitor C3 other end is connected to
Ground, power supply chip LM1084 input pin 3 are connected to capacitor C1, and the capacitor C1 other end is connected to ground, power supply chip LM1084 pipe
Foot 1 is connected to ground, and power supply chip LM1084 pin 2 is connected to capacitor C4, and the capacitor C4 other end is connected to ground, power supply chip
LM1084 pin 2 is connected to capacitor C2, and capacitor C2 is connected to ground.Power supply chip LM1084 pin 2 passes through capacitor C2 and capacitor C4
After filtering, burning voltage 5V is exported.The pin 3 that 5V power supply is supplied to ASM1117 chip U2, ASM1117 chip U2 simultaneously connects
Capacitor C7 and 5V power input, the other end of capacitor C7 are connected to ground, the pin 3 of the anode connection chip U2 of capacitor C5, capacitor
The cathode of C5 is connected to ground, and the pin 1 of chip U2 is connected to ground, and the pin 2 of chip U2 is connected to capacitor C8, and capacitor C8's is another
End is connected to ground, and the pin 2 of chip U2 is connected to capacitor C6, and the other end of capacitor C6 is connected to ground.5V power supply and 3.3V power supply
It is supplied to the use of system other parts.
The model MK60DN512VLQ10 of the main control chip.
See that Fig. 7, BTS7960 are a kind of highly integrated half-bridge driven cores of high current of infineon semiconductor company production
Piece, the electric current that can be provided is up to 68A and internal resistance very little and has logic level input, current diagnostic, slope adjustment, dead time
Production and excess temperature, over-voltage, under-voltage and short-circuit protection function.The pin 1 of driving chip 1A connects capacitor C9 and ground, and pin 2 connects
Connecting resistance R2, pin 3 are connected to resistance R4, and pin 4 is connected to the pin 1 of connecting terminal P3, and pin 5 is connected to resistance R9, electricity
R9 other end connection ground is hindered, pin 5 is connected to capacitor C11, and the capacitor other end is connected to ground, and pin 6 is connected to resistance R5, resistance
The R5 other end is connected to ground, and pin 7 is connected to the anode of capacitor C9, and pin 7 is connected to capacitor C10, and pin 7 is connected to chip 2A
Pin 7, pin 8 is connected to the pin 1 of connecting terminal P3.The pin 1 of driving chip 2A is connected to capacitor C10 and ground, pin 2
It is connected to resistance R3, pin 3 connects resistance R7, and pin 4 connects the pin 2 of connecting terminal P3, and pin 5 connects resistance R10, resistance
The R10 other end is connected to ground, and pin 5 connects capacitor C12, and the capacitor C12 other end is connected to ground, and pin 6 is connected to resistance R6, electricity
The resistance R6 other end is connected to ground, and pin 7 is connected to capacitor C10, and pin 7 connects the anode of capacitor C9, and pin 7 is connected to chip 1A
Pin 7, pin 8 is connected to the pin 2 of connecting terminal P3.The pin 1 of driving chip 3A is connected to capacitor C13 and ground, pin 2
It is connected to R13, pin 3 is connected to R15, and pin 4 is connected to the pin 1 of connecting terminal P4, and pin 5 is connected to resistance R18, resistance
The R18 other end is connected to ground, and pin 5 is connected to capacitor C15, and the capacitor C15 other end is connected to ground, and pin 6 is connected to resistance
R16, the resistance R16 other end are connected to ground, and pin 7 is connected to the anode of capacitor C13, and pin 7 is connected to capacitor C14, and pin 7 connects
It is connected to the pin 7 of driving chip 4A, pin 8 is connected to the pin 1 of connecting terminal P4.The pin 1 of driving chip 4A is connected to electricity
Holding C14 and ground, pin 2 are connected to resistance R14, pin 3 is connected to resistance R20, and pin 4 is connected to the pin 2 of connecting terminal P4,
Pin 5 is connected to resistance R19, and the resistance R19 other end is connected to ground, and pin 5 is connected to capacitor C16, the connection of the capacitor C16 other end
To ground, pin 6 is connected to resistance R17, and the resistance R17 other end is connected to ground, and pin 7 is connected to the anode of capacitor C13, pin 7
It is connected to capacitor C14, pin 7 is connected to the pin 7 of chip 3A, and pin 8 is connected to the pin 2 of connecting terminal P4.
The pin 1 of P3 connecting terminal connects resistance R1, and the resistance R1 other end is connected to the anode of LED light D1, and LED refers to
Show that the cathode of lamp D1 is connected to the pin 2 of connecting terminal P2, the pin 2 of connecting terminal P2 connects resistance R8, the resistance R8 other end
The anode of LED light D2 is connected, the cathode of LED light D2 is connected on the pin 1 of connecting terminal P3.P4 connecting terminal
Pin 1 is connected to resistance R11, and the other end of resistance R11 is connected to the anode of LED light D3, and the cathode of LED light D3 connects
It is connected to the pin 2 of P4 connecting terminal, the pin 2 of P4 connecting terminal is connected to resistance R12, and resistance R12 is connected to LED light D4
Anode, the cathode of LED light D4 is connected on the pin 2 of connecting terminal P4.
U3 chip 74L245 is connected to resistance for the level conversion of circuit and insulation blocking effect, the pin 1 of chip U3
On R21, the resistance R21 other end connects 5V power supply, and pin 8 is connected to resistance R22, and the other end of resistance R22 is connected to 5V power supply,
Pin 10 is connected to ground, and pin 11 is connected to resistance R3, and pin 12 is connected to resistance R4, resistance R7, resistance R15, resistance R20,
Pin 14 is connected to resistance R2, and pin 17 is connected to resistance R14, and pin 18 is connected to resistance R13, and pin 19 is connected to ground, pipe
Foot 20 is connected to capacitor C17, and the other end of capacitor C17 is connected to ground.
Main control chip can be controlled separately two electricity of two trolleies by PWM1, PWM2, PWM3, PWM4 this 4 pins
Machine positive and negative rotation can be used for the vertical balanced of trolley.The pin 9 of 74LS245 chip is connected to the pin 83 of main control chip,
The pin 6 of 74LS245 chip is connected to the pin 84 of main control chip, and the pin 2 of 74LS245 chip is connected to the pipe of main control chip
The pin 3 of foot 85,74LS245 chip is connected to the pin 86 of main control chip.
The structure setting of the utility model is reasonable, and laser transmission circuit and laser pick-off circuit is used to realize tracking sensing
Device, not only recognition capability is strong and transmitting range is remote, it is ensured that the reliability of tracking operation, stability in use are good and advantageously
The effect of teaching is improved, it is practical.
Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
Exhaustion.And the obvious changes or variations that these connotations for belonging to the utility model are extended out still fall within it is practical
Novel protection scope.
Claims (7)
1. a kind of intelligent automobile teaching platform, including main control processor, the tracking sensor being connected with the main control processor,
Attitude transducer, wireless control module, speed measuring module, power supply circuit, motor-drive circuit and OLED display screen, feature
Be: the tracking sensor includes laser transmission circuit and laser pick-off circuit, and the laser transmission circuit includes adjustable electric
Resistance, the 5th resistance, the 4th resistance, the first triode, the second triode, second resistance, 3rd resistor, the 6th resistance, the first electricity
Resistance, first laser diode, second laser diode, third laser diode, the 4th laser diode, two pole of the 5th laser
Pipe, the first driving triode, the second driving triode, third driving triode, the 4th driving triode, the 5th driving triode
It is connected by the 4th resistance with adjustable resistance with the base stage of the 6th driving triode, first triode, the 5th electricity
One end of resistance is connected to the other end on the tie point of the 4th resistance and adjustable resistance and is grounded, and the collector of first triode is logical
Cross second resistance be connected on power supply, emitter ground connection, the base stage of second triode is connected to the current collection of the first triode
Extremely upper, emitter is grounded and collector is connected on power supply by 3rd resistor, the base stage connection of the 6th driving triode
On the collector of the second triode, one end of the 6th resistance is connected between the 4th resistance and adjustable resistance and the other end
Be connected on the collector of the second triode, first driving triode, the second driving triode, third driving triode,
4th driving triode, the 5th driving triode emitter be connected with the collector of the 6th driving triode and the 6th drive
The emitter ground connection of dynamic triode, first driving triode, the second driving triode, third driving triode, 4 wheel driven
Move triode, the collector of the 5th driving triode is separately connected first laser diode, second laser diode, third laser
Power supply, first driving, three poles are connected by first resistor after diode, the 4th laser diode, the 5th laser diode
Pipe, the second driving triode, third driving triode, the 4th driving triode, the base stage of the 5th driving triode are separately connected
On the different pins of connecting terminal；The laser pick-off circuit includes the identical laser pick-off pipe of five line structures.
2. intelligent automobile teaching platform according to claim 1, it is characterised in that: the speed measuring module includes rotary coding
Device, the operational amplifier being connected with the rotary encoder, output end and the main control processor phase of the operational amplification circuit
Connection.
3. intelligent automobile teaching platform according to claim 2, it is characterised in that: the main control processor includes master control core
Piece, the clock circuit being connected with the main control chip, the reset circuit being connected with the main control chip and with the master control
The download circuit and electric source filter circuit that chip is connected.
4. intelligent automobile teaching platform according to claim 3, it is characterised in that: the reset circuit includes and door chip
SN74LVC2G08DCUR and CAT818S chip, output end and the CAT818S chip of the door chip SN74LVC2G08DCUR
Input terminal is connected.
5. intelligent automobile teaching platform according to claim 4, it is characterised in that: the attitude transducer includes
MMA7260 acceleration chip, ENC03 gyroscope and amplifier chip, the MMA7260 acceleration chip and main control chip
AD1-AD3 signal input pin is connected, and the ENC03 gyroscope is connected with the amplifier chip and amplifier chip and master
The AD4 signal input pin of control chip is connected.
6. intelligent automobile teaching platform according to claim 5, it is characterised in that: the power supply circuit includes
LM1048 voltage stabilizing chip and ASM1117 voltage stabilizing chip, the power input and the LM1048 of the ASM1117 voltage stabilizing chip are steady
The power output end of pressure chip is connected.
7. intelligent automobile teaching platform according to claim 6, it is characterised in that: the model of the main control chip
MK60DN512VLQ10。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721731793.XU CN208384878U (en) | 2017-12-12 | 2017-12-12 | Intelligent automobile teaching platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721731793.XU CN208384878U (en) | 2017-12-12 | 2017-12-12 | Intelligent automobile teaching platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208384878U true CN208384878U (en) | 2019-01-15 |
Family
ID=64979132
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721731793.XU Expired - Fee Related CN208384878U (en) | 2017-12-12 | 2017-12-12 | Intelligent automobile teaching platform |
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| Country | Link |
|---|---|
| CN (1) | CN208384878U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112991831A (en) * | 2021-01-25 | 2021-06-18 | 浙江交通职业技术学院 | VR simulation teaching platform based on new energy automobile |
-
2017
- 2017-12-12 CN CN201721731793.XU patent/CN208384878U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112991831A (en) * | 2021-01-25 | 2021-06-18 | 浙江交通职业技术学院 | VR simulation teaching platform based on new energy automobile |
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