CN219202574U

CN219202574U - Unmanned teaching platform based on simulation vehicle

Info

Publication number: CN219202574U
Application number: CN202223228076.9U
Authority: CN
Inventors: 王洪阳; 刘舸
Original assignee: Beijing Saishu Technology Co ltd
Current assignee: Beijing Saishu Technology Co ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-06-16
Anticipated expiration: 2032-12-02

Abstract

The utility model provides an unmanned teaching platform based on a simulated vehicle, which comprises a front chassis part, a middle chassis part, a rear chassis part and a shell, wherein the front chassis part is mechanically connected with the middle chassis part, the middle chassis part is mechanically connected with the rear chassis part, and the shell is respectively and mechanically connected with the front chassis part, the middle chassis part and the rear chassis part. The unmanned teaching platform based on the simulation vehicle is highly integrated, and each electronic module is plug and play, so that redundant electronic wiring and circuit interaction are avoided, and the part loss is reduced.

Description

Unmanned teaching platform based on simulation vehicle

Technical Field

The utility model relates to the technical field of unmanned teaching, in particular to a teaching platform based on unmanned simulation of a vehicle.

Background

With the development of artificial intelligence technology, unmanned automobiles are becoming increasingly realistic. The unmanned car teaching also becomes the requisite course of automotive profession, and the sensor and the electric appliances that conventional unmanned car adopted distribute more scattered and hidden, and the visibility is low, and mr can not combine the explanation in kind at the lecture in-process, can't be real-time carry out interactive explanation sensor's effect and correlation each other, is unfavorable for the learner to practice study and observe the operation, if because dismantle the annex with naked sensor repeatedly in explanation and testing process, can cause the spare to damage. Therefore, it is necessary to design a teaching platform based on unmanned simulation of vehicles.

Disclosure of Invention

The utility model aims to provide an unmanned teaching platform based on a simulation vehicle, which is highly integrated, improves the performance of the whole machine, prevents the electronic connection and circuit interaction of redundant electronic modules by plug and play, reduces the part loss and is convenient for teaching use. In order to achieve the above object, the present utility model provides the following solutions:

an unmanned teaching platform based on a simulation vehicle, wherein the intelligent trolley comprises a front chassis part, a middle chassis part, a rear chassis part and a shell, wherein the front chassis part is mechanically connected with the middle chassis part, the middle chassis part is mechanically connected with the rear chassis part, and the shell is respectively mechanically connected with the front chassis part, the middle chassis part and the rear chassis part;

the middle chassis part comprises a bottom plate, a control module, a battery and a camera shooting assembly, wherein the front chassis part and the rear chassis part are connected with the bottom plate, the control module and the battery are arranged at the top of the bottom plate, the camera shooting assembly is arranged at the top of the bottom plate through the shell, the battery is used for supplying power to each module, and the camera shooting assembly is electrically connected with the control module;

the front chassis part comprises a front lower swing arm, a front upper swing arm, a front shock absorption adjusting sheet, a front shock absorber, an anti-collision assembly, a steering engine, a front steering cup and a steering pull rod, wherein the upper sides of the two sides of the steering engine are connected with the front upper swing arm, the lower sides of the two sides of the steering engine are connected with the front lower swing arm, the front lower swing arm and the front upper swing arm are respectively connected with the front steering cup, the front steering cup is connected with a wheel hub, a tire is arranged on the wheel hub, the output end of the steering engine is connected with the upper end of the steering pull rod, the lower ends of the two sides of the steering pull rod are respectively connected with the front steering cup, the front sides of the steering engine are provided with the front shock absorption adjusting sheet, the two ends of the front shock absorption adjusting sheet are respectively connected with one end of the front shock absorber, the other end of the front shock absorber is connected with the front lower swing arm, the bottom of the steering engine is connected with the bottom plate, the front side of the front shock absorber is provided with the anti-collision assembly, the anti-collision assembly is connected with the bottom plate, and the steering engine is electrically connected with the control module.

The rear chassis part comprises a rear steering cup, a dog bone transmission shaft, a rear shock absorber, a rear shock absorption adjusting plate, a motor assembly, a differential mechanism assembly, a rear upper swing arm and a rear lower swing arm, wherein the motor assembly is fixedly arranged at the top of the rear side of a bottom plate, the output end of the motor assembly is in driving connection with the differential mechanism assembly, the dog bone transmission shaft is connected with the two sides of the differential mechanism assembly through a connecting cup, the dog bone transmission shaft is connected with the rear steering cup, the rear steering cup is connected with a hub, a tire is arranged on the hub, the upper sides of the two sides of the differential mechanism assembly are connected with the rear upper swing arm, the rear lower swing arm is connected with the rear steering cup, the rear side of the differential mechanism assembly is provided with the rear shock absorption adjusting plate, the two ends of the rear side of the rear shock absorption adjusting plate are respectively connected with one end of the rear shock absorber, the other end of the rear shock absorber is respectively connected with the rear lower swing arm, and the motor assembly is electrically connected with the control module.

Optionally, the control module includes host computer, external computing card, left PCB and right PCB, the top of battery sets up external computing card, the left side of bottom plate sets up left PCB, the right side of bottom plate sets up right PCB, host computer and subassembly electric connection of making a video recording external computing card, right PCB all electric connection left PCB, the outer shell that follows and mechanical connection shows about car mould is hugged closely in left PCB and right PCB outside.

Optionally, the crashproof subassembly includes big crashproof board, little crashproof board and crashproof cotton, little crashproof board is fixed on the big crashproof board, fixed setting between big crashproof board and the little crashproof board crashproof cotton, big crashproof board trigger connects the bottom plate front portion.

Optionally, the left PCB is provided with man-machine interaction module, controller, voltage conversion module, drive module and gesture perception module, the right PCB is provided with communication interface, power source and balanced charge-discharge protection module, external computing card, subassembly, communication interface, man-machine interaction module, voltage conversion module, drive module, gesture perception module, balanced charge-discharge protection module and motor element electric connection the controller, communication interface electric connection external computing card, drive module electric connection steering engine and motor element, power source electric connection balanced charge-discharge protection module, balanced charge-discharge protection module and man-machine interaction module electric connection the battery, battery electric connection voltage conversion module, voltage conversion module electric connection external computing card, motor element, controller, drive module and gesture perception module are located left rear portion of the left PCB, left side face is fixed man-machine interaction module stretches out right side, right side face is fixed communication interface and PCB electric connection.

Optionally, the camera subassembly includes camera base, camera pole and camera, the bottom plate is fixed the camera base, the camera base is fixed the camera pole, the camera pole is followed the shell passes and fixes the camera, camera electric connection voltage conversion module and external computing card.

Optionally, the motor assembly includes motor, motor support, encoder and transmission connecting rod, the bottom plate rear portion is fixed the motor support, motor support internal fixation the motor, the motor is fixed the encoder, motor mechanical connection the transmission connecting rod, transmission connecting rod mechanical connection the connecting cup, voltage conversion module and drive module electric connection the motor, motor electric connection the encoder, encoder electric connection the controller.

Optionally, the differential mechanism subassembly includes differential mechanism support, differential mechanism and differential mechanism lid, the differential mechanism is fixed in the differential mechanism support, differential mechanism support upper portion mechanical connection the differential mechanism lid, differential mechanism support lower part is fixed on the bottom plate, differential mechanism support rear portion mechanical connection the back shock attenuation regulating piece, the drive connection pole drive is connected the differential mechanism, dog bone transmission shaft is connected through the connecting cup to the differential mechanism both sides.

According to the specific embodiment provided by the utility model, the utility model discloses the following technical effects: according to the unmanned teaching platform based on the simulation vehicle, which is provided by the utility model, the PCB is highly integrated and packaged, so that the redundant electronic wiring and circuit interaction are avoided, and the purpose of plug and play of each electronic module is achieved; the H-bridge complementary symmetrical circuit built by the grid driving chip and the N-channel MOS realizes reversible speed control; the AND gate circuit is added to realize signal isolation from the controller to the driving circuit, so that signal interference of the driving circuit is isolated from being transmitted to the controller and influencing the logic circuit; the OR gate circuit is arranged to achieve the effect of hardware mutual exclusion, so that the upper bridge arm and the lower bridge arm of the H-bridge circuit cannot be opened simultaneously, and the short circuit phenomenon is avoided; the inertial sensor is arranged at the left rear part of the vehicle body, and the special mechanical and electronic structure can effectively sense physical actions such as vehicle sliding, bridging, turning, acceleration and deceleration and the like; the voltage conversion module is used for transmitting the voltage of the battery to a target circuit through multistage voltage stabilization and depressurization, common mode rejection, EMC, reverse connection prevention and other measures are added, and the stability and the safety of a power supply are ensured; the battery balanced charge and discharge protection module circuit supports a high-current fast charge mode of more than 3A under the support of an adapter, can independently manage the electric quantity condition of each battery cell, and realizes the high-precision and high-efficiency lithium battery charge and discharge management function.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a diagram of a teaching platform architecture based on unmanned simulation of a vehicle in an embodiment of the utility model;

FIG. 2 is a top view of a three-dimensional structure of a teaching platform based on unmanned simulation of a vehicle in an embodiment of the utility model;

FIG. 3 is a smart car electronics design;

FIG. 4 is a circuit diagram of a driving module;

FIG. 5 is a schematic diagram of a connection relationship of a driving module;

FIG. 6 is a circuit diagram of a gesture sensing module;

FIG. 7 is a circuit diagram of a voltage conversion module;

FIG. 8 is a circuit diagram of an equalization charge-discharge protection module;

FIG. 9 is a first track element training layout provided in an embodiment of the present utility model;

FIG. 10 is a diagram of a second track element training layout provided in an embodiment of the present utility model;

FIG. 11 is a third track element training layout provided in an embodiment of the present utility model;

FIG. 12 is a diagram illustrating an electronic module connection according to an embodiment of the present utility model;

FIG. 13 is a power tree-connection relationship of the power consumption of the embodiment of the present utility model.

Reference numerals: 1. a vehicle case 1; 2. a front lower swing arm; 3. a front upper swing arm; 4. front shock absorption adjusting piece; 5. a small anti-collision plate; 6. anti-collision cotton; 7. a large anti-collision plate; 8. steering engine; 9. a hub; 10. a tire; 11. a front steering cup; 12. a steering tie rod; 13. an external computing card; 14. a battery; 15. a left PCB; 16. a bottom plate; 17. a rear upper swing arm; 18. a rear lower swing arm; 19. a connecting cup; 20. a differential carrier; 21. a differential; 22. a rear shock absorption adjusting piece; 23. a damper; 24. dog bone transmission shaft; 25. a rear steering cup; 26. a differential cover; 27. a transmission connecting rod; 28. a motor bracket; 29. a motor; 30. a right PCB; 31. an encoder; 32. a camera base; 33. a camera lever; 34. a camera; 35. and a man-machine interaction module.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The unmanned teaching platform based on the simulation vehicle is highly integrated, and each electronic module is plug and play, so that redundant electronic wiring and circuit interaction are avoided, and the part loss is reduced. In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

As shown in fig. 1 and 2, the intelligent vehicle comprises a front chassis component, a middle chassis component, a rear chassis component and a shell, wherein the front chassis component is mechanically connected with the middle chassis component, the middle chassis component is mechanically connected with the rear chassis component, and the shell is respectively mechanically connected with the front chassis component, the middle chassis component and the rear chassis component;

the middle chassis component comprises a bottom plate 16, a control module, a battery 14 and a camera shooting component, wherein the front chassis component and the rear chassis component are both connected with the bottom plate 16, the control module and the battery 14 are arranged at the top of the bottom plate 16, the camera shooting component is arranged at the top of the bottom plate 16 through the shell, the battery 14 is used for supplying power to each module, and the camera shooting component is electrically connected with the control module;

the front chassis part comprises a front lower swing arm 2, a front upper swing arm 3, a front shock absorption adjusting sheet 4, a front shock absorber 23, an anti-collision assembly, a steering engine 8, a front steering cup 11 and a steering pull rod 12, wherein the upper sides of two sides of the steering engine 8 are respectively connected with the front upper swing arm 3, the lower sides of two sides of the steering engine 8 are connected with the front lower swing arm 2, the front lower swing arm 2 and the front upper swing arm 3 are respectively connected with the front steering cup 11, the front steering cup 11 is connected with a hub 9, a tire 10 is arranged on the hub 9, the output end of the steering engine 8 is connected with the upper end of the steering pull rod 12, the lower ends of two sides of the steering pull rod 12 are respectively connected with the front steering cup 11, the front side of the steering engine 8 is provided with the front shock absorption adjusting sheet 4, the front sides of the front shock absorption adjusting sheet 4 are respectively connected with one end of the front shock absorber 23, the other ends of the front shock absorber 23 are connected with the front lower swing arm 2, the bottom of the steering engine 8 is connected with a bottom plate 16, the front side of the front shock absorber 23 is provided with the anti-collision assembly, the steering engine 8 is connected with the bottom plate 16, and the control module is electrically connected with the steering engine 8;

the rear chassis part comprises a rear steering cup 25, a dog bone transmission shaft 24, a rear shock absorber 23, a rear shock absorption adjusting sheet 22, a motor assembly, a differential mechanism assembly, a rear upper swing arm 17 and a rear lower swing arm 18, wherein the motor assembly is fixedly arranged at the top of the rear side of the bottom plate 16, the output end of the motor assembly is in driving connection with the differential mechanism assembly, the two sides of the differential mechanism assembly are connected with the dog bone transmission shaft 24 through a connecting cup 19, the dog bone transmission shaft 24 is connected with the rear steering cup 25, the rear steering cup 25 is connected with a hub 9, a tire 10 is arranged on the hub 9, the upper sides of the two sides of the differential mechanism assembly are connected with the rear upper swing arm 17, the lower swing arm 18 is connected with the rear lower swing arm 17, the rear side of the differential mechanism assembly is provided with the rear shock absorption adjusting sheet 22, the two ends of the rear side of the rear shock absorption adjusting sheet 22 are respectively connected with one end of the rear shock absorber 23, the other end of the rear shock absorber 23 is respectively connected with the rear swing arm 18, and the electric control module is electrically connected with the rear swing arm 18.

In one embodiment of the utility model, the steering engine 8 is CS-3120 model.

The control module comprises a host computer, an external computing card 13, a left PCB15 and a right PCB30, wherein the external computing card 13 is arranged at the top of the battery 14, the left PCB15 is arranged at the left side of the bottom plate 16, the right PCB30 is arranged at the right side of the bottom plate 16, the host computer and the camera shooting assembly are electrically connected with the external computing card 13, the external computing card 13 and the right PCB30 are electrically connected with the left PCB15, and the outer edges of the left PCB15 and the right PCB30 are tightly attached to the left and right sides of a vehicle model and are respectively and mechanically connected with the shell. In one embodiment of the present utility model, the host includes a display screen, a computer, a keyboard, a mouse and a memory, where the display screen, the computer, the keyboard, the mouse and the memory are respectively and electrically connected to the external computing card 13, and the external computing card 13 is selected from the model XAZU3EG-1SFVC 784I.

The anti-collision assembly comprises a large anti-collision plate 7, a small anti-collision plate 5 and anti-collision cotton 6, wherein the small anti-collision plate 5 is fixed on the large anti-collision plate 7, the anti-collision cotton 6 is fixedly arranged between the large anti-collision plate 7 and the small anti-collision plate 5, and the large anti-collision plate 7 is mechanically connected with the front part of the bottom plate 16. One embodiment of the present utility model is that the anti-collision cotton 6 is made of EVA material.

As shown in fig. 1-3, the left PCB15 is provided with a man-machine interaction module 35, a controller, a voltage conversion module, a driving module and a gesture sensing module, the right PCB30 is provided with a communication interface, a power supply interface and an equalizing charge-discharge protection module, the external computing card 13, a camera module, a communication interface, the man-machine interaction module 35, the voltage conversion module, the driving module, the gesture sensing module, the equalizing charge-discharge protection module and the motor module are electrically connected with the controller, the communication interface is electrically connected with the external computing card 13, the driving module is electrically connected with the steering engine 8 and the motor module, the power supply interface is electrically connected with the equalizing charge-discharge protection module, the equalizing charge-discharge protection module and the man-machine interaction module 35 are electrically connected with the battery 14, the battery 14 is electrically connected with the voltage conversion module, the voltage conversion module is electrically connected with the external computing card 13, the motor module, the camera module, the controller, the driving module and the gesture sensing module, the gesture sensing module are located at the left rear part of the left side of the left PCB15, the left side surface is fixed with the man-machine interaction module 35, the right side is fixed with the right side PCB30, and the right side surface is fixed with the power supply interface.

In one embodiment of the present utility model, the controller is an MCU controller of GD32F103C8 type, the man-machine interaction module 35 includes a reset button, a mode switching button, a vehicle state LED, a power state LED and a buzzer, the communication interface includes a USB interface and a network port interface, the reset button, the mode switching button, the vehicle state LED, the power state LED, the buzzer and the USB interface are electrically connected to the controller, and the network port interface is electrically connected to the external computing card 13.

The left PCB15 and the right PCB30 have the design ideas of high-integration packaging, high precision, easy mass production and the like, so that the complicated electronic wiring and circuit interaction are avoided, and the purpose of plug and play of each electronic module is achieved.

As shown in fig. 6 and 7, the driving module is an H-bridge complementary symmetrical circuit constructed by a gate driving chip and an N-channel MOS, the controller is electrically connected with an and gate circuit and a not gate circuit respectively, the and gate circuit and the not gate circuit are electrically connected with the gate driving chip respectively, the gate driving chip is electrically connected with the N-channel MOS, and the N-channel MOS is electrically connected with the motor assembly.

In this embodiment, the driving module selects an H-bridge complementary symmetrical circuit built by an inflorescence gate driving chip IR2184 and an N-channel MOS to realize reversible speed control and reverse control, and the H-bridge circuit changes the magnitude of the armature voltage by adjusting the duty ratio of a PWM (PulseWidthModulation) signal, thereby realizing smooth control and forward and reverse speed regulation of the motor 29; signal isolation between the controller and the driving circuit is realized by adding an AND gate circuit (SN 74AHC1G08 DBVR), so that signal interference of the driving circuit is isolated from being transmitted to the controller and influencing the logic circuit; an OR gate circuit (SN 74LVC1G04 DBVR) is arranged to achieve the effect of hardware mutual exclusion, so that the upper bridge arm and the lower bridge arm of the H bridge circuit cannot be simultaneously opened, and the short circuit phenomenon is avoided; the controller (MCU) generates PWM control signals and motor 29 direction selection signals (Dir), firstly, signal conditioning is carried out through an AND gate and a NOT gate isolating circuit, the function of signal Chip Selection (CS) is realized, the circuit is guaranteed to only generate forward rotation or reverse rotation signals (No/Off) of the motor 29 at the same time, then signal conditioning is carried out through a gate driving circuit, the functions of boosting, isolating and amplifying power are realized, the negative Feedback function (Feedback) of an output end is realized, the gate opening and closing of an N-MOS full bridge circuit is controlled, and the forward rotation and the speed control of the motor 29 are realized by utilizing the opening and closing characteristics of a transistor.

As shown in fig. 8, the gesture sensing circuit adopts an MPU6050 inertial sensor to transmit data in an IIC protocol manner, captures relatively accurate inertial data at the maximum 10ms period, and completes the vehicle gesture information fusion calculation, and the inertial sensor is arranged at the left rear of the vehicle body, and special mechanical and electronic structures can effectively sense physical actions such as vehicle sliding, bridging, turning, acceleration and deceleration.

As shown in fig. 9, the voltage conversion module includes a 12V/2A external computing card power supply circuit, a 5V/3A main board logic power supply circuit, a 3.3V/500mA controller power supply circuit, and a 12V/15A motor power supply circuit, where the external computing card power supply circuit is electrically connected to the external computing card 13, the main board logic power supply circuit is electrically connected to the driving module, the controller power supply circuit is electrically connected to the controller, the inertial sensor, the encoder 31, and the buzzer, the motor power supply circuit is electrically connected to the motor 29, and the voltage of the 3S lithium battery (12V/25C) is delivered to the target circuit through multistage voltage stabilization and voltage reduction, and measures such as common mode suppression, EMC, reverse connection prevention, and the like are added, so as to ensure the stability and safety of the power supply.

As shown in fig. 10, the system designs an equalizing charge and discharge protection module circuit based on a BM3451 core chip, and the circuit has the following functions:

1) And (3) overcharge protection: each lithium battery 14 is charged and limited to 4.6V at the highest voltage with the precision of +/-25 mV;

2) And (3) overdischarge protection: the minimum discharge limit voltage of each lithium battery 14 is 4.6V, and the precision is +/-50 mV;

3) Overcurrent protection: sampling output power consumption by connecting 4 groups of 20mΩ/4W sampling resistors in parallel, and limiting the limit output current to 40A;

4) Equalizing charge: by sampling the individual voltages of each cell (+ -25 mV), whether each cell is charged or not is precisely controlled to balance the cell charge.

In addition, the circuit supports a high-current quick charge mode (which is supported by an adapter) above 3A, and can independently manage the electric quantity condition of each battery cell, thereby realizing the high-precision and high-efficiency lithium battery 14 charge and discharge management function.

The camera assembly comprises a camera base 32, a camera rod 33 and a camera 34, wherein the camera base 32 is fixed on the bottom plate 16, the camera rod 33 is fixed on the camera base 32, the camera rod 33 penetrates through the shell and fixes the camera 34, and the camera 34 is electrically connected with the voltage conversion module and the controller.

In one embodiment of the present utility model, 1280X720 resolution cameras 34 are selected.

The motor assembly comprises a motor 29, a motor support 28, an encoder 31 and a transmission connecting rod 27, wherein the motor support 28 is fixed at the rear part of the bottom plate 16, the motor 29 is fixed in the motor support 28, the encoder 31 is fixed on the motor 29, the motor 29 is mechanically connected with the transmission connecting rod 27, the transmission connecting rod 27 is mechanically connected with the connecting cup 19, the voltage conversion module and the driving module are electrically connected with the motor 29, the motor 29 is electrically connected with the encoder 31, and the encoder 31 is electrically connected with the controller.

In one embodiment of the present utility model, a 12V,12000rpm DC motor 29 and 500 wire, photo-electric pressurized encoder 31 is used.

The differential mechanism assembly comprises a differential mechanism support 20, a differential mechanism 21 and a differential mechanism cover 26, wherein the differential mechanism 21 is fixed in the differential mechanism support 20, the upper part of the differential mechanism support 20 is mechanically connected with the differential mechanism cover 26, the lower part of the differential mechanism support 20 is fixed on the bottom plate 16, the rear part of the differential mechanism support 20 is mechanically connected with the rear shock absorption regulating piece 22, the transmission connecting rod 27 is in driving connection with the differential mechanism 21, and two sides of the differential mechanism 21 are connected with the dog bone transmission shaft 24 through connecting cups 19. In one embodiment of the present utility model, differential 21 has a differential ratio of 1:2.7.

As shown in fig. 11-13, the utility model is also provided with a track field for assisting an unmanned teaching platform based on a simulation vehicle to carry out experiments, wherein the track field is an indoor circulating track, and task elements are added on the basis of the track field. Comprises three parts of a basic track, a track mark and a task cone. The basic track part consists of track elements, slopes and black-and-white adhesive tapes, which are cut by PVC.

The track suit comprises various basic elements of an indoor circulating track, such as elements of a straight track, a curve bend, an intersection, a ramp, a rotary island, a three-way intersection, a garage and the like. The racetrack provides a lay of reference, with a total length of 33 meters, and a predicted required footprint size of 7.5m x 8m. In consideration of the requirement of a small-size training field, two track element training laying modes with small occupied area are provided, and the track with the total length of 25 meters can be laid on a space of 7.5m by 5.5 m.

The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to assist in understanding the methods of the present utility model and the core ideas thereof; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.

Claims

1. The unmanned teaching platform based on the simulation vehicle is characterized in that the intelligent trolley comprises a front chassis part, a middle chassis part, a rear chassis part and a shell, wherein the front chassis part is mechanically connected with the middle chassis part, the middle chassis part is mechanically connected with the rear chassis part, and the shell is respectively and mechanically connected with the front chassis part, the middle chassis part and the rear chassis part;

2. The unmanned teaching platform based on the simulation vehicle according to claim 1, wherein the control module comprises a host computer, an external computing card, a left PCB and a right PCB, the external computing card is arranged at the top of the battery, the left PCB is arranged at the left side of the bottom plate, the right PCB is arranged at the right side of the bottom plate, the host computer and the camera shooting assembly are electrically connected with the external computing card, the external computing card and the right PCB are electrically connected with the left PCB, and the outer sides of the left PCB and the right PCB are clung to the left outer edge and the right outer edge of the vehicle model and are respectively and mechanically connected with the shell.

3. The unmanned teaching platform based on the simulation vehicle according to claim 1, wherein the anti-collision assembly comprises a large anti-collision plate, a small anti-collision plate and anti-collision cotton, the small anti-collision plate is fixed on the large anti-collision plate, the anti-collision cotton is fixedly arranged between the large anti-collision plate and the small anti-collision plate, and the large anti-collision plate is connected with the front part of the bottom plate.

4. The unmanned teaching platform based on simulation vehicles according to claim 2, wherein the left PCB is provided with a man-machine interaction module, a controller, a voltage conversion module, a driving module and a gesture sensing module, the right PCB is provided with a communication interface, a power interface and an balanced charge-discharge protection module, the external computing card, the communication interface, the man-machine interaction module, the voltage conversion module, the driving module, the gesture sensing module, the balanced charge-discharge protection module and the motor assembly are electrically connected with the controller, the communication interface is electrically connected with the external computing card, the driving module is electrically connected with the steering engine and the motor assembly, the power interface is electrically connected with the balanced charge-discharge protection module, the balanced charge-discharge protection module and the man-machine interaction module are electrically connected with the battery, the battery is electrically connected with the voltage conversion module, the voltage conversion module is electrically connected with the external computing card, the motor assembly, the camera assembly, the controller, the driving module and the gesture sensing module are positioned at the left rear left side of the left PCB, the left side is extended, the left side is fixed with the man-machine interaction module, the right side is extended from the right side of the PCB, and the power interface is fixed with the right side of the PCB.

5. The unmanned teaching platform based on the simulated vehicle according to claim 4, wherein the camera assembly comprises a camera base, a camera rod and a camera, the camera base is fixed by the base plate, the camera rod is fixed by the camera base, the camera rod penetrates through the shell and fixes the camera, and the camera is electrically connected with the voltage conversion module and the external computing card.

6. The unmanned teaching platform based on the simulated vehicle according to claim 4, wherein the motor assembly comprises a motor, a motor support, an encoder and a transmission connecting rod, the motor support is fixed at the rear part of the base plate, the motor is fixed in the motor support, the encoder is fixed in the motor, the motor is mechanically connected with the transmission connecting rod, the transmission connecting rod is mechanically connected with the connection cup, the voltage conversion module and the driving module are electrically connected with the motor, the motor is electrically connected with the encoder, and the encoder is electrically connected with the controller.

7. The unmanned teaching platform based on the simulated vehicle according to claim 6, wherein the differential assembly comprises a differential support, a differential and a differential cover, the differential is fixed in the differential support, the upper part of the differential support is mechanically connected with the differential cover, the lower part of the differential support is fixed on the bottom plate, the rear part of the differential support is mechanically connected with the rear shock absorption regulating piece, the transmission connecting rod is in driving connection with the differential, and two sides of the differential are connected with dog bone transmission shafts through connecting cups.