CN110341817A - A community intelligent logistics car - Google Patents

Abstract

The invention relates to the field of logistics and transportation, and specifically discloses an intelligent logistics trolley in a residential area, including a base, a power supply, a photoelectric sensor, a manipulator, a crawler device, a driving motor, a control board, and a driving module; The side plate on the side; the crawler device includes a track, a driving wheel and a bearing wheel, and the driving wheel is installed on the front end of the side plate; the bearing wheel is installed on the rear end and the bottom end of the side plate; the driving motor is installed on the On the side plate, the drive motor is connected to the drive wheel; the power supply, the control board and the drive module are installed on the base plate in sequence, the power supply is respectively connected to the control board and the drive module and supplies power, and the control board and the drive module signal connection; the photoelectric sensor is installed on the bottom plate; the manipulator is installed on the front end of the bottom plate. The community intelligent logistics trolley of the present invention can effectively avoid obstacles, and can cope with more complex road conditions by using crawlers, and is not easy to be damaged.

Description

A community intelligent logistics car

technical field

The invention relates to the field of logistics transportation, in particular to an intelligent logistics trolley for a residential area.

Background technique

At present, domestic and foreign research on smart cars mainly focuses on the design of entertainment remote control cars, competition smart tracking cars and outdoor autonomous navigation cars. Its implementation mainly includes driving along a fixed black line track, ultrasonic sensor obstacle avoidance, and controlling the movement of the car through Bluetooth. There are few smart car designs that expand the functions of smart cars and extend their applications to facilitate life.

Moreover, there are deficiencies in the following aspects in the existing smart car technology:

①The efficiency of obstacle avoidance is low. In the process of obstacle avoidance using ultrasonic sensors or infrared ranging sensors, due to the limitations of the hardware module itself, the response efficiency is low and the obstacle avoidance effect is not good;

② Information collection is not ideal. Most of the information collection systems are composed of sensors. Ultrasonic sensors or infrared ranging sensors are commonly used. Due to the scanning blind spots of the sensors themselves and the unreasonable layout of the sensors, the information collection is not ideal and affects the control efficiency of the smart car;

③Single function. The design of the smart car is mostly to realize the driving and obstacle avoidance of the main body of the car, and the research and design of additional functions need to be further extended.

Contents of the invention

The purpose of the present invention is to provide an intelligent logistics trolley in a residential area, which solves the problem that the information collection of the intelligent trolley is not ideal, thereby affecting the efficiency of obstacle avoidance.

In order to solve the above-mentioned technical problems, the present invention provides a community intelligent logistics trolley, including a base, a power supply, a photoelectric sensor, a manipulator, a crawler device, a driving motor, a control board and a driving module;

The base includes a base plate and side plates vertically installed on both sides of the base plate;

The crawler device includes crawlers, driving wheels and load-bearing wheels, the drive wheels are installed on the front end of the side plate; the load-bearing wheels are installed on the rear end and bottom end of the side plate; peripheral;

The driving motor is installed on the side plate, and the driving motor is connected with the driving wheel;

The power supply, the control board and the drive module are sequentially installed on the base plate, the power supply is respectively connected to the control board and the drive module and supplies power, and the control board is connected to the drive module for signals;

The photoelectric sensors are installed at the four top corners of the bottom plate, the two photoelectric sensors at the front end of the bottom plate are arranged in a “eight” shape, and the two photoelectric sensors at the rear end of the bottom plate are arranged in an inverted “eight” shape;

The manipulator is installed on the front end of the bottom plate, and the manipulator is connected with the control board.

As a preferred solution, there are 5 load-bearing wheels, 4 of which are arranged at the bottom end of the side plate, and 1 is arranged at the rear end of the side plate.

As a preferred solution, rotating gears are provided on the circumference of the driving wheel, and tooth slots that cooperate with the rotating teeth are provided on the crawler belt.

As a preferred solution, the drive module is an L298N motor drive module.

As a preferred solution, the control board is an Arduino microcontroller.

As a preferred solution, the two photoelectric sensors located at the front end of the base plate are arranged at an angle of 30° inward, and the emitting light sources are in the form of a cross; the two photoelectric sensors located at the rear end of the base plate are arranged at an angle of 30° outward.

As a preferred solution, the photoelectric sensor is a diffuse reflection infrared photoelectric sensor.

As a preferred solution, the manipulator is a 4-degree-of-freedom manipulator.

The present invention has the following beneficial effects:

The community intelligent logistics trolley of the present invention is equipped with four photoelectric sensors, two of which are in the shape of a figure-eight at the front end, to sense the area in the forward direction of the trolley. Since the induction rays of the two photoelectric sensors at the front end are arranged crosswise, obstacles in front of the trolley can be completely detected. Orientation sensing, avoiding obstacles in time, the two rear ends are in an inverted figure-eight shape, and the sensing rays diverge outward, which can sense obstacles on the left and right sides and avoid obstacles in time; and set track, when encountering uneven terrain, it cannot sense and avoid obstacles , Passing through the track can greatly absorb the shock, the transportation efficiency is higher, and the trolley and goods are not easily damaged.

Description of drawings

Fig. 1 is a schematic structural diagram of a community intelligent logistics car provided by an embodiment of the present invention;

Fig. 2 is a top view of the community intelligent logistics trolley provided by the embodiment of the present invention;

Fig. 3 is a side view of the community intelligent logistics trolley provided by the embodiment of the present invention;

Fig. 4 is a schematic structural view of the drive wheel of the community intelligent logistics trolley provided by the embodiment of the present invention;

Fig. 5 is a ray diagram of the photoelectric sensor of the intelligent logistics car in the community provided by the embodiment of the present invention.

Reference signs: 1. base plate; 2. power supply; 3. photoelectric sensor; 4. manipulator; 5. track; 6. drive motor; 7. control panel; 8. drive module; 9. drive wheel; 10. load-bearing wheel; 11, side plate; 12, rotating gear.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, a community intelligent logistics trolley in a preferred embodiment of the present invention includes a base, a power supply 2, a photoelectric sensor 3, a manipulator 4, a crawler device, a drive motor 6, a control board 7 and driver module 8;

The base includes a base plate 1 and side plates 11 vertically installed on both sides of the base plate 1;

Described caterpillar device comprises crawler belt 5, drive wheel 9 and load-bearing wheel 10, and described drive wheel 9 is installed on the front end of side plate 11; Described load-bearing wheel 10 is installed on the rear end and bottom end of side plate 11; Around the periphery of the drive wheel 9 and the load wheel 10;

The drive motor 6 is installed on the side plate 11, and the drive motor 6 is connected with the drive wheel 9;

The power supply 2, the control board 7 and the drive module 8 are sequentially installed on the base plate 1, the power supply 2 is respectively connected to the control board 7 and the drive module 8 and supplies power, and the control board 7 is connected to the drive module 8 by signal;

The photoelectric sensors 3 are installed at the four top corners of the bottom plate 1, the two photoelectric sensors 3 located at the front end of the bottom plate 1 are arranged in a “eight” shape, and the two photoelectric sensors 3 at the rear end of the bottom plate 1 are arranged in an inverted “eight” shape;

The manipulator 4 is installed on the front end of the bottom plate 1 , and the manipulator 4 is connected with the control board 7 .

Specifically, the community intelligent logistics trolley of the present invention is provided with four photoelectric sensors 3, two of which are in the shape of a figure-eight at the front end, to sense the area in the forward direction of the trolley. Obstacles in the front are sensed in all directions to avoid obstacles in time. The two rear ends are in an inverted figure-eight shape, and the sensing rays diverge outward, which can sense obstacles on the left and right sides and avoid obstacles in time; and set track 5, when encountering uneven terrain At this time, the obstacle avoidance cannot be sensed, and the shock absorption can be greatly achieved by passing through the crawler belt 5, the transportation efficiency is higher, and the trolley and the goods are not easily damaged.

In the preferred embodiment of the present invention, the obstacle avoidance environment of the car is divided into the following situations: when an obstacle is detected in front, the car turns left to avoid the obstacle; when obstacles are detected in front and left, the car turns right Avoid obstacles; when obstacles are detected in front and on the right side, the car turns left to avoid obstacles; when obstacles are detected in front and left and right sides, the car first reverses, then turns left to avoid obstacles .

In a preferred embodiment of the present invention, there are five load-bearing wheels 10 , among which four are arranged at the bottom end of the side plate 11 , and one is arranged at the rear end of the side plate 11 .

In a preferred embodiment of the present invention, the circumference of the drive wheel 9 is provided with rotating gears 12 , and the caterpillar belt 5 is provided with tooth grooves that cooperate with the rotating gears 12 .

In a preferred embodiment of the present invention, the drive module 8 is an L298N motor drive module 8 .

In a preferred embodiment of the present invention, the control board 7 is an Arduino single-chip microcomputer.

In a preferred embodiment of the present invention, the two photoelectric sensors 3 located at the front end of the base plate 1 are arranged at an angle of 30° inwardly, and the emitting light sources are in a cross form; the two photoelectric sensors 3 located at the rear end of the base plate 1 are arranged at an angle of 30° outward .

Specifically, if it is set to 30°, the sensing range can be enlarged as much as possible to avoid blind spots and ensure the accuracy of the surrounding environment information of the car.

In a preferred embodiment of the present invention, the photoelectric sensor 3 is a diffuse reflection infrared photoelectric sensor 3 .

In a preferred embodiment of the present invention, the manipulator 4 is a manipulator 4 with 4 degrees of freedom.

The above is only a preferred embodiment of the present invention, it should be pointed out that for those of ordinary skill in the art, without departing from the technical principle of the present invention, some improvements and replacements can also be made, these improvements and replacements It should also be regarded as the protection scope of the present invention.

Claims (8)

1. A community intelligent logistics trolley, characterized in that it includes a base, a power supply, a photoelectric sensor, a manipulator, a crawler, a drive motor, a control panel and a drive module; The base includes a base plate and side plates vertically installed on both sides of the base plate; The crawler device includes crawlers, driving wheels and load-bearing wheels, the drive wheels are installed on the front end of the side plate; the load-bearing wheels are installed on the rear end and bottom end of the side plate; peripheral; The driving motor is installed on the side plate, and the driving motor is connected with the driving wheel; The power supply, the control board and the drive module are sequentially installed on the base plate, the power supply is respectively connected to the control board and the drive module and supplies power, and the control board is connected to the drive module for signals; The photoelectric sensors are installed at the four top corners of the bottom plate, the two photoelectric sensors at the front end of the bottom plate are arranged in a “eight” shape, and the two photoelectric sensors at the rear end of the bottom plate are arranged in an inverted “eight” shape; The manipulator is installed on the front end of the bottom plate, and the manipulator is connected with the control board. 2. The community intelligent logistics dolly as claimed in claim 1, wherein: said load-bearing wheels are provided with 5, wherein 4 are arranged at the bottom of the side plate, and 1 is arranged at the rear end of the side plate. 3. The community intelligent logistics dolly as claimed in claim 1, characterized in that: the circumference of the drive wheel is provided with rotating gears, and the crawler belts are provided with cogs cooperating with the rotating gears. 4. The community intelligent logistics dolly as claimed in claim 1, wherein: the drive module is a L298N motor drive module. 5. community intelligent logistics dolly as claimed in claim 1, is characterized in that: described control panel is Arduino single-chip microcomputer. 6. The community intelligent logistics dolly as claimed in claim 1, wherein: the two photoelectric sensors positioned at the front end of the base plate are arranged at an angle of 30° inwardly, and the emitting light source is in a cross form; the two photoelectric sensors positioned at the rear end of the base plate The sensors are arranged at an angle of 30° outward. 7. The community intelligent logistics car as claimed in claim 1, wherein: said photoelectric sensor is a diffuse reflection infrared photoelectric sensor. 8. The community intelligent logistics dolly as claimed in claim 1, wherein: the manipulator is a 4-degree-of-freedom manipulator.