CN208673583U - Intelligent vehicle instructional device for electronic instruction - Google Patents
Intelligent vehicle instructional device for electronic instruction Download PDFInfo
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- CN208673583U CN208673583U CN201721725402.3U CN201721725402U CN208673583U CN 208673583 U CN208673583 U CN 208673583U CN 201721725402 U CN201721725402 U CN 201721725402U CN 208673583 U CN208673583 U CN 208673583U
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Abstract
The utility model discloses a kind of intelligent vehicle instructional devices for electronic instruction, 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 dual operational amplifier, the positive-feedback circuit being connected with the positive feedback pin of dual operational amplifier, the output end of the negative-feedback circuit and dual operational amplifier that are connected with the negative-feedback pin of dual operational amplifier is connected on main control processor after current rectifying and wave filtering circuit, power supply circuit includes LM1048 voltage stabilizing chip and ASM1117 voltage stabilizing chip, the power input of ASM1117 voltage stabilizing chip is connected with the power output end of LM1048 voltage stabilizing chip.The structure setting of the utility model is reasonable, has the advantages that detection effect is good, is also beneficial to improve the learning interest of student, is conducive to the effect for improving teaching, stability in use is good and practical.
Description
Technical field
The utility model belongs to instructional device technical field, and in particular to a kind of intelligent vehicle teaching dress for electronic instruction
It sets.
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
Reasonable and strong applicability the intelligence for electronic instruction the purpose of the utility model is to provide a kind of structure setting
Vehicle instructional device.
Realizing the technical solution of the utility model aim is: a kind of intelligent vehicle instructional device for electronic instruction, including
Main control processor, the tracking sensor being connected with the main control processor, attitude transducer, wireless control module, test the speed mould
Block, power supply circuit, motor-drive circuit and OLED display screen, the tracking sensor include dual operational amplifier and institute
State positive-feedback circuit, the negative-feedback pin phase with the dual operational amplifier that the positive feedback pin of dual operational amplifier is connected
The output end of the negative-feedback circuit of connection and the dual operational amplifier is connected to main control processor after current rectifying and wave filtering circuit
On, the negative-feedback circuit includes LC oscillating circuit, 3rd resistor and the third capacitor being made of the first inductance and the 5th capacitor
Series circuit, one end ground connection of the LC oscillating circuit, the other end after 3rd resistor and third capacitor seriesing circuit by connecting
On the negative-feedback pin of dual operational amplifier, the positive-feedback circuit includes first resistor, second resistance, first capacitor, institute
State first resistor it is in parallel with first capacitor after one end be connected on the positive feedback pin of dual operational amplifier, the other end ground connection, institute
It states second resistance to be connected on the positive feedback pin of dual operational amplifier between power supply, 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.
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 operational amplifier that the speed measuring module includes rotary encoder, is connected with the rotary encoder, the fortune
The output end for calculating amplifier is connected with main control processor.
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 model MK60DN512VLQ10 of the main control chip.
The utility model has the effect of positive: the structure setting of the utility model is reasonable, and LC oscillating circuit is used to use
In the electromagnetic field intensity that acquisition 20HZ alternating current generates, put using voltage signal of the TCL2272 operational amplifier to acquisition
Greatly, and by later period rectification and filter circuit, stable voltage signal is obtained, has the advantages that detection effect is good, while is real
The upright two-wheel car of detection 20HZ ac magnetic field tracking, the upright traveling that trolley can be stable are showed, flexible group uses a variety of
The function of module complicated composition is also beneficial to improve the learning interest of student, is conducive to the effect for improving teaching, stability in use
It is good and 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 vehicle instructional device for electronic instruction, including main control processor 1 and the master
Tracking sensor 2, attitude transducer 3, wireless control module 4, the speed measuring module 5, power supply circuit that control processor 1 is connected
6, motor-drive circuit 7 and OLED display screen 8, the tracking sensor include dual operational amplifier and double operation amplifiers
Positive-feedback circuit that the positive feedback pin of device is connected, the negative-feedback being connected with the negative-feedback pin of the dual operational amplifier
The output end of circuit and the dual operational amplifier is connected on main control processor after current rectifying and wave filtering circuit, the negative-feedback
Circuit includes LC oscillating circuit, 3rd resistor and the third capacitor seriesing circuit being made of the first inductance and the 5th capacitor, described
One end of LC oscillating circuit is grounded, and the other end is by being connected to dual operational amplifier after 3rd resistor and third capacitor seriesing circuit
Negative-feedback pin on, the positive-feedback circuit includes first resistor, second resistance, first capacitor, the first resistor and the
One end is connected on the positive feedback pin of dual operational amplifier after one capacitor is in parallel, the other end is grounded, the second resistance connection
On the positive feedback pin of dual operational amplifier between power supply,
Specifically as shown in Figure 2, TLC2272 is manufactured with the advanced LinCMOS technique of Texas Instruments to tracking sensor
Full power supply output amplitude dual operational amplifier, fairly good AC performance is provided, and have the better noise of more existing CMOS amplifier,
Input offset voltage and power consumption performance.Operational amplifier U1 positive feedback end pipe foot 3 connects resistance R2, R2 resistance other end connection electricity
Source.Positive feedback connects resistance R1, and the resistance R1 other end is connected to ground.Positive feedback connects capacitor C1, and the capacitor C1 other end is connected to
Ground.Capacitor C2 connection 3.3V power supply, capacitor C2 other end connection ground, is used for 3.3V power filter, eliminates power supply ripple.Operation is put
Big device U1 negative-feedback end pipe foot 2 connects resistance R3, and the resistance R3 other end connects capacitor C3, capacitor C3 connection capacitor C5 and inductance L1
The oscillating circuit of composition, capacitor C5 and the inductance L1 other end are connected to ground.Operational amplifier U1 output pin 1 connects capacitor C4,
The C4 other end connects diode D1 and D2 rectification, and the diode D1 other end connects capacitor C5 and resistance R4, the diode D2 other end
It is connected to ground, the capacitor C5 other end is connected to ground, and resistance R4 is connected to ground.8 foot of U1 operational amplifier connects power supply output.U1
4 foot of operational amplifier connection ground.1 foot connection U1 operational amplifier output treated the signal of connection terminal P1,2 feet are hanging,
3 feet are for connecting power supply output, and 4 feet are for connecting ground.The pin 1 of connection terminal P1 is used to connect the AD acquisition port of main control chip
AD5。
The power supply circuit includes LM1048 voltage stabilizing chip and ASM1117 voltage stabilizing chip, the ASM1117 pressure stabilizing
The power input of chip 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 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 to exist
It is integrated with the minimum system of a single-chip microcontroller on the core board of one piece of independent plug-in type, 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
The other end be connected to ground, pin 3 is connected to capacitor C12, and the other end of capacitor C12 is connected to 3.3V power supply, and pin 3 connects
To resistance R3, 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, it is main
It controls chip and program is downloaded using jtag interface, the pin 1 of connecting terminal P3 connects 3.3V power supply, and pin 2 connects main control chip
Pin 53, pin 3 are 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 master
The pin 52 of chip is controlled, pin 8 is connected to the pin 51 of main control chip, and pin 9 is connected to the pin 54 of main control chip, pin 10
It is connected to the pin 74 of main control 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, inductance L1 connection 3.3V power supply, and the other end of inductance L1 connects capacitor C5, and inductance L3 connects
Ground connection, 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, inductance
L2 is connected to capacitor C4, and 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.The pin 32 of main control 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 operational amplifier that the speed measuring module includes rotary encoder, is connected with the rotary encoder, the fortune
The output end for calculating amplifier 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
Resistance R5, the resistance R5 other end are connected to the pin 3 of operational amplifier chip U1AB, the pin 1 of operational amplifier chip U1AB
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, operation
The pin 3 of amplifier U1AB is connected to 3 feet of adjustable resistance R1, and the pin 4 of operational amplifier U1AB is connected to ground, operation amplifier
The pin 8 of device is connected to 5V power supply.The function of testing the speed makes trolley form the control of a speed closed loop, and it is double that trolley can be improved
Take turns upright stability.
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,
The pin 4 of gyroscope U2 is connected to the pin 3 of operational amplifier chip U3.The pin 4 of operational amplifier chip U3 connects ground, fortune
The pin 7 for calculating 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
One end is connected to ground.
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, electricity
The resistance 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
The pin 7 of 2A, pin 8 are connected to the pin 1 of connecting terminal P3.The pin 1 of driving chip 2A is connected to capacitor C10 and ground, pipe
Foot 2 is connected to resistance R3, and pin 3 connects resistance R7, and pin 4 connects the pin 2 of connecting terminal P3, and pin 5 connects resistance R10,
The resistance 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, the resistance R6 other end are 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
The pin 7 of chip 1A, pin 8 are connected to the pin 2 of connecting terminal P3.The pin 1 of driving chip 3A be connected to capacitor C13 and
Ground, pin 2 are connected to R13, and 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 electricity
R18 is hindered, the resistance 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 connects
It is connected to resistance R16, the resistance R16 other end is connected to ground, and pin 7 is connected to the anode of capacitor C13, and pin 7 is connected to capacitor
C14, pin 7 are connected to the pin 7 of driving chip 4A, and pin 8 is connected to the pin 1 of connecting terminal P4.The pipe of driving chip 4A
Foot 1 is connected to capacitor C14 and ground, and pin 2 is connected to resistance R14, and pin 3 is connected to resistance R20, and pin 4 is connected to terminals
The pin 2 of sub- P4, pin 5 are connected to resistance R19, and the resistance R19 other end is connected to ground, and pin 5 is connected to capacitor C16, capacitor
The C16 other end is connected to ground, and pin 6 is connected to resistance R17, and the resistance R17 other end is connected to ground, and pin 7 is connected to capacitor C13
Anode, pin 7 is connected to capacitor C14, and pin 7 is connected to the pin 7 of chip 3A, and pin 8 is connected to the pipe of connecting terminal P4
Foot 2.
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, LED
The cathode of indicator light D1 is connected to the pin 2 of connecting terminal P2, and the pin 2 of connecting terminal P2 connects resistance R8, and resistance R8 is another
The anode of end connection LED light D2, the cathode of LED light D2 are connected on the pin 1 of connecting terminal P3.P4 connecting terminal
Pin 1 be connected to resistance R11, the other end of resistance R11 is connected to the anode of LED light D3, and LED light D3's is negative
Pole is connected to the pin 2 of P4 connecting terminal, and the pin 2 of P4 connecting terminal is connected to resistance R12, and resistance R12 is connected to LED and refers to
Show that the anode of lamp D4, the cathode of LED light D4 are 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 main control chip
The pin 3 of pin 85,74LS245 chip is connected to the pin 86 of main control chip.
The structure setting of the utility model is reasonable, uses LC oscillating circuit for acquiring the electromagnetism of 20HZ alternating current generation
Field intensity is amplified using voltage signal of the TCL2272 operational amplifier to acquisition, and passes through later period rectification and filtered electrical
Road obtains stable voltage signal, has the advantages that detection effect is good, while realizing detection 20HZ ac magnetic field tracking
Upright two-wheel car, the upright traveling that trolley can be stable, flexible group uses the function of multiple module complicated composition, is also beneficial to
The learning interest for improving student, is conducive to the effect for improving teaching, and stability in use is good and 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 (6)
1. a kind of intelligent vehicle instructional device for electronic instruction, including main control processor, it is connected with the main control processor
Tracking sensor, attitude transducer, wireless control module, speed measuring module, power supply circuit, motor-drive circuit and OLED
Display screen, it is characterised in that: the tracking sensor includes dual operational amplifier, draws with the positive feedback of the dual operational amplifier
Positive-feedback circuit that foot is connected, the negative-feedback circuit being connected with the negative-feedback pin of the dual operational amplifier and described double
The output end of operational amplifier is connected on main control processor after current rectifying and wave filtering circuit, and the negative-feedback circuit includes by
LC oscillating circuit, 3rd resistor and the third capacitor seriesing circuit of one inductance and the 5th capacitor composition, the LC oscillating circuit
One end ground connection, the other end is by being connected to the negative-feedback pin of dual operational amplifier after 3rd resistor and third capacitor seriesing circuit
On, the positive-feedback circuit includes first resistor, second resistance, first capacitor, after the first resistor is in parallel with first capacitor
One end is connected on the positive feedback pin of dual operational amplifier, the other end is grounded, and the second resistance is connected to double operation amplifiers
On the positive feedback pin of device between power supply, the power supply circuit includes LM1048 voltage stabilizing chip and ASM1117 pressure stabilizing core
Piece, the power input of the ASM1117 voltage stabilizing chip are connected with the power output end of the LM1048 voltage stabilizing chip.
2. the intelligent vehicle instructional device according to claim 1 for electronic instruction, it is characterised in that: the master control processing
Device includes main control chip, the clock circuit being connected with the main control chip, the reset circuit being connected with the main control chip
The download circuit and electric source filter circuit being connected with the main control chip.
3. the intelligent vehicle instructional device according to claim 2 for electronic instruction, it is characterised in that: the reset circuit
Including with door chip SN74LVC2G08DCUR and CAT818S chip, the output end of the door chip SN74LVC2G08DCUR with
The input terminal of CAT818S chip is connected.
4. the intelligent vehicle instructional device according to claim 3 for electronic instruction, it is characterised in that: the speed measuring module
Including rotary encoder, the operational amplifier being connected with the rotary encoder, the output end of the operational amplifier and master
Control processor is connected.
5. the intelligent vehicle instructional device according to claim 4 for electronic instruction, it is characterised in that: the posture sensing
Device includes MMA7260 acceleration chip, ENC03 gyroscope and amplifier chip, the MMA7260 acceleration chip and main control chip
AD1-AD3 signal input pin be connected, the ENC03 gyroscope be connected with the amplifier chip and amplifier chip with
The AD4 signal input pin of main control chip is connected.
6. the intelligent vehicle instructional device according to claim 5 for electronic instruction, it is characterised in that: the main control chip
Model MK60DN512VLQ10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721725402.3U CN208673583U (en) | 2017-12-12 | 2017-12-12 | Intelligent vehicle instructional device for electronic instruction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721725402.3U CN208673583U (en) | 2017-12-12 | 2017-12-12 | Intelligent vehicle instructional device for electronic instruction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208673583U true CN208673583U (en) | 2019-03-29 |
Family
ID=65819063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721725402.3U Active CN208673583U (en) | 2017-12-12 | 2017-12-12 | Intelligent vehicle instructional device for electronic instruction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208673583U (en) |
-
2017
- 2017-12-12 CN CN201721725402.3U patent/CN208673583U/en active Active
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