CN215450521U

CN215450521U - Unmanned automobile teaching vehicle

Info

Publication number: CN215450521U
Application number: CN202121126688.XU
Authority: CN
Inventors: 赵鹏媛; 吕常平; 付家铭
Original assignee: Foshan Shunde District Secondary Professional School (foshan Shunde District Technical School)
Current assignee: Foshan Shunde District Secondary Professional School (foshan Shunde District Technical School)
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2022-01-07
Anticipated expiration: 2031-05-24

Abstract

The embodiment of the utility model provides an unmanned automobile teaching vehicle, which comprises: the device comprises a flat plate supporting table, a storage battery and an integrated functional module, wherein the storage battery and the integrated functional module are fixedly arranged on the flat plate supporting table; the driving system comprises wheels and a motor, the wheels are rotatably arranged on the flat plate supporting table through wheel shafts, and the driving ends of the motor are fixedly connected with the wheel shafts; the flat supporting platform is detachably provided with a shell, and the storage battery, the integrated functional module and the motor are arranged in an accommodating space between the flat supporting platform and the shell. According to the teaching vehicle, the unmanned function modules are integrated on the flat support platform to form integrated function modules, so that the fault frequency of each function module is reduced; and, when needing to show to the student, mr can directly pull down the casing from dull and stereotyped brace table to be convenient for the student directly perceivedly study.

Description

Unmanned automobile teaching vehicle

Technical Field

The utility model relates to the technical field of unmanned teaching equipment, in particular to an unmanned automobile teaching vehicle.

Background

The unmanned vehicle is one kind of intelligent vehicle, is also called as a wheeled mobile robot, and mainly depends on an intelligent driver mainly comprising a computer system in the vehicle to realize the purpose of unmanned driving. With the development of science and technology, the teaching concept of the unmanned automobile is continuously perfected and matured, and the teaching of the unmanned automobile also becomes a necessary course for automobile major. Conventional unmanned vehicles are large in size, and if a user wants to obtain a required teaching purpose through a real vehicle experiment, the user may bring irreparable loss to an experimental device and experimental equipment, and the cost and risk are huge, so that the practical application is difficult.

In the prior art, a teaching mode of teaching theoretical knowledge through a classroom is also available, and the teaching mode of simply displaying all electrical components of an automobile on a PPT is difficult to meet the requirement of modern colleges and universities on training of talents in the professional repair of automobile, so that a simulation teaching platform special for unmanned automobile driving is created. However, most of the current teaching platforms only realize the functions of the teaching platforms by simulating the automatic driving algorithm under the real road environment and transmitting the algorithm to the simulation vehicle, and the teaching platforms have the defects that the teaching platforms can only learn theories, but cannot enable students to actually operate unmanned vehicles, and the teaching effect is very little.

Therefore, there is a need in the art to invent an unmanned teaching simulation vehicle capable of performing actual operation.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects and shortcomings, the utility model provides the unmanned automobile teaching vehicle which has the characteristics of simple and reasonable structural design, convenience for students to learn intuitively and good teaching effect.

An unmanned automotive teaching vehicle, comprising:

the device comprises a flat plate supporting table, a storage battery and an integrated functional module, wherein the storage battery and the integrated functional module are fixedly arranged on the flat plate supporting table;

the driving system comprises wheels and a motor, the wheels are rotatably arranged on the flat plate supporting table through wheel shafts, the driving ends of the motors are fixedly connected with the wheel shafts, and the motors are used for driving the wheels to rotate;

the flat supporting platform is detachably provided with a shell, and the storage battery, the integrated functional module and the motor are arranged in an accommodating space between the flat supporting platform and the shell.

Furthermore, the integrated function module comprises a central control module and an execution module, the execution module is electrically connected with the central control module and the motor respectively, and the central control module controls the running state of the motor through the execution module.

Furthermore, the integrated function module further comprises a wireless connection module, the wireless connection module is electrically connected with the central control module, and the central control module is in communication connection with the background control platform through the wireless connection module.

Further, the central control module is an MCS51 series single-chip microcomputer.

Further, the driving system further comprises a rotation buffer mechanism, and the rotation buffer mechanism is arranged between the wheel shaft and the flat support platform.

Further, the rotation buffering mechanism is a bearing.

Furthermore, the wheels comprise a driving wheel and a driven wheel, belt wheels are arranged on the wheel shafts corresponding to the driving wheel and the driven wheel, a belt is arranged between the belt wheels, and the driving wheel drives the driven wheel to rotate through the belt.

Further, the driving system further comprises an encoder, and the encoder is arranged on the wheel shaft corresponding to the driven wheel.

Further, the infrared tracking device further comprises an infrared tracking sensor, wherein the infrared tracking sensor is arranged at the top of the shell and is electrically connected with the central control module.

Furthermore, the ultrasonic obstacle avoidance device further comprises an ultrasonic obstacle avoidance sensor, wherein the ultrasonic obstacle avoidance sensor is arranged at the front end of the shell and is electrically connected with the central control module.

Compared with the prior art, the unmanned automobile teaching vehicle provided by the utility model at least has the following beneficial effects:

firstly, according to the unmanned automobile teaching vehicle provided by the utility model, each unmanned functional module is integrated on the flat support platform to form an integrated functional module, so that the fault frequency of each functional module is reduced; in addition, when the shell needs to be displayed for students, a teacher can directly detach the shell from the flat support platform, so that the students can learn intuitively;

the unmanned automobile teaching vehicle realizes the motion function of the simulated vehicle through the driving system consisting of the motor, the wheel shaft, the belt wheel and the belt, well simulates the operation condition of the unmanned vehicle, and the driving system is not easy to damage, thereby ensuring long service life;

in conclusion, the unmanned automobile teaching vehicle provided by the utility model realizes the control of the teaching vehicle through the MCS51 series single-chip microcomputer, and moves the electric appliance principle on the automobile to the classroom to the maximum extent, so that the theoretical teaching in the classroom is no longer boring and tasteless, the abstract electric appliance principle is more visually and clearly displayed, and the unmanned automobile teaching vehicle has the advantages of reasonable layout, intuition and clarity, strong operability and good teaching effect.

Drawings

FIG. 1 is a schematic structural view of an unmanned automotive teaching vehicle of the present invention;

FIG. 2 is another schematic structural view of the unmanned automotive teaching vehicle of the present invention;

FIG. 3 is a top view of the unmanned automotive teaching vehicle of the present invention;

FIG. 4 is a schematic sectional view taken along line A-A of FIG. 3;

FIG. 5 is a schematic view of yet another configuration of the unmanned automotive teaching vehicle of the present invention;

description of reference numerals: 1. a flat support table; 11. a housing; 2. a storage battery; 3. an integrated function module; 31. a central control module; 32. an execution module; 33. a wireless connection module; 4. a wheel; 41. a wheel axle; 42. a rotation buffer mechanism; 5. a motor; 6. A pulley; 7. a belt; 8. an encoder; 9. an infrared tracking sensor; 10. ultrasonic wave keeps away barrier sensor.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1 to 4, according to an embodiment of the present invention, an unmanned automobile teaching vehicle includes a flat support platform 1, a storage battery 2, and an integrated function module 3, where the storage battery 2 and the integrated function module 3 are both fixedly disposed on the flat support platform 1. The storage battery 2 is used as a power supply module of the unmanned automobile teaching vehicle, and each functional module of unmanned control is integrated in the integrated functional module 3, so that the integrated functional module is fixedly arranged on the flat support table 1.

The unmanned automobile teaching vehicle further comprises a driving system, the driving system comprises wheels 4 and a motor 5, the wheels 4 are rotatably arranged on the flat plate supporting table 1 through wheel shafts 41, the driving ends of the motor 5 are fixedly connected with the wheel shafts 41, and the motor 5 is used for driving the wheels 4 to rotate. Wherein, the wheel 4 is fixedly arranged at the end part of the wheel shaft 41, and the other end of the wheel shaft 41 is rotatably assembled and connected with the flat plate supporting platform 1, so that the wheel 4 is rotatably arranged on the flat plate supporting platform 1 through the wheel shaft 41. The motor 5 drives the wheel 4 to rotate through the driving end of the motor, so that the motion effect of the teaching vehicle is achieved. More specifically, the unmanned automobile teaching vehicle realizes the motion function of the simulated vehicle through the driving system consisting of the motor 5, the wheel shaft 41, the wheels 4 and the like, well simulates the operation condition of the unmanned vehicle, and the driving system is not easy to damage and ensures long service life. Further, in the solution of this embodiment, a housing 11 is detachably provided on the flat plate support table 1, and the storage battery 2, the integrated function module 3, and the motor 5 are all provided in an accommodation space between the flat plate support table 1 and the housing 11. Through this structural design mode, can be when the bandwagon provides the bandwagon's of simulation bandwagon effect to needs, the mr can directly pull down casing 11 from dull and stereotyped brace table 1 to be convenient for the student directly perceived study.

Referring to fig. 4, in a preferred embodiment of the present invention, the integrated function module 3 includes a central control module 31 and an execution module 32, the execution module 32 is electrically connected to the central control module 31 and the motor 5, respectively, and the central control module 31 controls the operation state of the motor 5 through the execution module 32. In the preferred embodiment, the execution module 32 is connected to the output end of the central control module 31, and the central control module 31 controls the motion state and motion parameters of the motor 5 such as start, stop, motion speed, acceleration, etc. through the execution module 32.

Referring to fig. 4, in a further scheme of this embodiment, the integrated function module 3 further includes a wireless connection module 33, the wireless connection module 33 is electrically connected to the central control module 31, and the central control module 31 is communicatively connected to the background control platform through the wireless connection module 33. In the further scheme, a key module and a display module are arranged in the background control platform, and an operator can send an electric signal to the wireless connection module 33 through the background control platform, so that the central control module 31 controls the starting, stopping, movement speed, acceleration and other movement states and movement parameters of the motor 5. More specifically, the wireless connection module 33 may be a WIFI module or a bluetooth module.

In a further scheme of this embodiment, the central control module 31 is an MCS51 series single chip microcomputer, and the circuit design is simple and the information detection speed is fast.

Referring to fig. 2, in another embodiment of the present invention, the driving system further comprises a rotation damping mechanism 42, and the rotation damping mechanism 42 is disposed between the wheel shaft 41 and the flat plate support table 1. Specifically, in the process of rotating the wheel shaft 41 relative to the flat support table 1, if the two are in direct rigid contact, the contact part is easy to be worn and damaged, so that the teaching vehicle is easy to be damaged under the condition of long-term use, and the service life is short. In the utility model, the rotation buffer mechanism 42 is arranged between the wheel shaft 41 and the plate support platform 1, so that the rotation of the wheel shaft 41 can be supported, the friction coefficient between the outer spiral ring structure 1 and the plate support platform 1 is effectively reduced, the bearing capacity of the structure and the reliability of the structure are improved, and the condition that the wheel shaft 41 and the plate support platform 1 are not abraded and damaged under the condition of long-term use is ensured.

Further, the rotation buffering mechanism 42 is a bearing, and the bearing is disposed between the wheel shaft 41 and the flat support platform 1, that is, the bearing is sleeved on the outer peripheral side of the wheel shaft 41, so that the rotation of the wheel shaft 41 can be supported, the friction coefficient between the two can be effectively reduced, and the structural stability of the two can be improved.

Referring to fig. 1-3, in another embodiment of the present invention, the wheel 4 includes a driving wheel and a driven wheel, the driving wheel and the driven wheel are respectively provided with a pulley 6 on the wheel shaft 41, and a belt 7 is arranged between the pulleys 6, and the driving wheel drives the driven wheel to rotate through the belt 7. In the scheme of the embodiment, the specific transmission process of the driving system is as follows: the motor 5 drives the driving wheel to rotate through the driving end of the motor, and the wheel shafts of the driving wheel and the driven wheel are provided with belt wheels which are connected through a belt, so that the driving wheel drives the driven wheel on the other side to synchronously rotate through the belt wheels and the belt 7, and finally the driving movement of the unmanned automobile teaching vehicle is realized.

Referring to fig. 3, in a preferred version of this embodiment, the driving system further comprises an encoder 8, and the encoder 8 is arranged on the axle 41 corresponding to the driven wheel. In the preferred embodiment, the encoder 8 is electrically connected to the central controller 11 and the motor 8 respectively, so as to receive the electric signal from the central controller 11, and the number of rotations of the motor 5 is controlled by the electric signal, thereby controlling the specific driving distance of the teaching vehicle. More specifically, the encoder 8 is arranged on the wheel shaft 41 corresponding to the driven wheel and is arranged in a staggered manner with the motor 5 at the end of the driving wheel, so that the internal space of the teaching vehicle is utilized to the maximum extent, and the internal structure of the teaching vehicle is compact and reasonable.

Referring to fig. 5, optionally, the unmanned automobile teaching vehicle further includes an infrared tracking sensor 9, and the infrared tracking sensor 9 is disposed on the top of the housing 11 and electrically connected to the central control module 31. In this alternative, the infrared tracking sensor 9 continuously emits infrared light to the ground during the running of the teaching vehicle by using the characteristic that infrared light has different reflection intensities on the surfaces of objects with different colors, the infrared light is diffusely reflected when encountering a foreign object, the reflected light is absorbed by the receiving tube, and the central control module 31 (the single chip microcomputer) determines the running route of the teaching vehicle according to whether the reflected infrared light is received.

More specifically, the model of the infrared tracking sensor 9 is TCRT5000, the central control module 31 is an MCS51 series single chip microcomputer, and the connection mode between the two is as follows: the positive pole of the infrared tracking sensor 9 is connected with a resistor R1 in series and then connected with a 5V power supply end, the negative pole and the emitting pole of the infrared tracking sensor 9 are grounded respectively, the collector of the infrared tracking sensor 9 is connected with the non-inverting input end of an amplifier U1, the connecting line between the collector of the infrared tracking sensor 9 and the non-inverting input end of an amplifier U1 is connected with a resistor R2 in series and then connected with a 5V power supply end, the inverting input end of the amplifier U1 is connected with the sliding end of a sliding rheostat R3 and then connected with a 5V power supply end, the fixed end of the sliding rheostat R3 is connected with the negative pole of the amplifier U1 and then grounded, the positive pole of the amplifier U1 is connected with the 5V power supply end, and the output end of the amplifier U1 is connected with the P0.1 end of the single chip microcomputer.

Referring to fig. 5, optionally, the unmanned automobile teaching vehicle further includes an ultrasonic obstacle avoidance sensor 10, and the ultrasonic obstacle avoidance sensor 10 is disposed at the front end of the housing 11 and electrically connected to the central control module 31. In this alternative, the ultrasonic obstacle avoidance sensor 10 detects the distance of the obstacle in the traveling direction of the teaching vehicle by emitting ultrasonic waves, and transmits the distance signal to the central control module 31 (single chip microcomputer), thereby providing data support for the central control module 31 to subsequently suspend, decelerate, or otherwise manipulate the motor 5.

Of course, the above is a preferred embodiment of the present invention. It should be noted that, for a person skilled in the art, several modifications and refinements can be made without departing from the basic principle of the utility model, and these modifications and refinements are also considered to be within the protective scope of the utility model.

Claims

1. An unmanned automotive teaching vehicle, comprising:

2. The unmanned vehicle for instructional purposes of claim 1, wherein the integrated functional module comprises a central control module and an execution module, the execution module is electrically connected to the central control module and the motor, respectively, and the central control module controls the operation state of the motor through the execution module.

3. The unmanned vehicle for teaching of claim 2, wherein said integrated functional module further comprises a wireless connection module, said wireless connection module is electrically connected to said central control module, and said central control module is in communication connection with a background control platform through said wireless connection module.

4. The unmanned vehicle for instructional purposes of claim 3, wherein said central control module is an MCS51 series single chip microcomputer.

5. The unmanned automotive teaching vehicle of claim 1 wherein the drive system further comprises a rotational damping mechanism disposed between the axle and the platform support.

6. The unmanned automotive teaching vehicle of claim 5 wherein the rotational damping mechanism is a bearing.

7. The unmanned vehicle for teaching of claim 1, wherein the wheels comprise a driving wheel and a driven wheel, the driving wheel and the driven wheel are provided with belt wheels on the corresponding wheel shafts, and a belt is provided between the belt wheels, and the driving wheel drives the driven wheel to rotate through the belt.

8. The unmanned automotive teaching vehicle of claim 7 wherein the drive system further comprises an encoder disposed on the axle corresponding to the driven wheel.

9. The unmanned vehicle instruction of claim 2, further comprising an infrared tracking sensor disposed on a top portion of the housing and electrically connected to the central control module.

10. The unmanned vehicle for teaching of claim 2, further comprising an ultrasonic obstacle avoidance sensor disposed at the front end of said housing and electrically connected to said central control module.