CN219105649U

CN219105649U - Detachable control panel of intelligent trolley

Info

Publication number: CN219105649U
Application number: CN202223204090.5U
Authority: CN
Inventors: 常周林; 郑煜力; 叶天宇
Original assignee: Guangdong University of Science and Technology
Current assignee: Guangdong University of Science and Technology
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-05-30
Anticipated expiration: 2032-11-30

Abstract

The utility model discloses a detachable control board of an intelligent trolley, which comprises a core board and a bottom board; the middle of the core board is integrated with a main chip interface, a USB port is arranged on the upper side of the core board, a power supply LDO circuit and a reverse connection protection circuit are arranged on the left side of the core board, and a reset circuit and a touch key control circuit are arranged on the right side of the core board; the base plate is provided with a power supply circuit interface, a motor driving module and a steering engine control interface, and is also provided with at least one of a Bluetooth module interface, an ultrasonic module interface, an infrared photoelectric sensor interface, an SPI interface, an I2C interface, an ADC/DAC signal interface, an attitude analysis module, a buzzer module, a GPIO interface and a program downloading interface; the base plate is also provided with two or more than two groups of double-row sockets, the bottom of the core plate is provided with plugs corresponding to the double-row sockets, and the core plate is spliced with the base plate through the plugs. The utility model can reduce the maintenance and replacement cost of the intelligent trolley control part.

Description

Detachable control panel of intelligent trolley

Technical Field

The utility model relates to the technical field of intelligent trolley control, in particular to a detachable control panel of an intelligent trolley.

Background

The intelligent trolley aims at stimulating the learning interest of students, improving the practical ability and innovation ability of the students and culturing the comprehensive ability of the students. The intelligent trolley can be generally divided into four parts, namely a sensor part, a controller part, an execution device part and a structural part. The controller part receives the signals transmitted by the sensor part and controls other parts to execute actions according to the program written in the control chip in advance.

In the prior art, a programmable control chip and a corresponding main board are adopted by a control part of the intelligent trolley, for example, patent CN 213635015U discloses a programmable intelligent trolley control board, which comprises a substrate, wherein a signal interface, a nixie tube, a power supply interface, a lithium battery charging interface, a lithium battery interface, a dry battery interface, a power switch, a main board slot, a game handle interface, an LED lamp, a function key, a fan motor interface, an infrared remote control receiver, a steering engine interface and a motor interface are arranged on the substrate.

However, the control board has a serious failure, and the entire substrate needs to be replaced or repaired, or the entire substrate needs to be replaced when the control board which is more matched is used, so that the cost is high, and therefore, how to reduce the cost of the intelligent trolley control part is very important.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a detachable control panel of an intelligent trolley, which can reduce the maintenance and replacement cost of a control part of the intelligent trolley.

In order to solve the technical problems, the utility model discloses a detachable control board of an intelligent trolley, which comprises a core board and a bottom board;

the middle of the core board is integrated with a main chip interface, a USB port is arranged on the upper side of the core board, a power supply LDO circuit and a reverse connection protection circuit are arranged on the left side of the core board, and a reset circuit and a touch key control circuit are arranged on the right side of the core board;

the base plate is provided with a power supply circuit interface, a motor driving module and a steering engine control interface, and is also provided with at least one of a Bluetooth module interface, an ultrasonic module interface, an infrared photoelectric sensor interface, an SPI interface, an I2C interface, an ADC/DAC signal interface, an attitude analysis module, a buzzer module, a GPIO interface and a program downloading interface;

the base plate is also provided with two or more than two groups of double-row sockets, the bottom of the core plate is provided with plugs corresponding to the double-row sockets, and the core plate is spliced with the base plate through the plugs.

As an alternative embodiment, the intelligent vehicle includes 4 motors, the number of the motor driving modules is 2-4, each of the motor driving modules controls 1-2 motors, and each of the motors is controlled by only one of the motor driving modules.

As yet another alternative embodiment, when the detachable control board includes the ultrasonic module interface and the I2C interface, the ultrasonic module interface uses an I2C protocol communication manner and shares a signal line with the I2C interface.

As a further alternative implementation manner, the steering engine control interface receives 4 paths of control signals, wherein the control signals are used for controlling steering actions in four steering directions, namely front, back, left and right, and each 1 path of control signals corresponds to one steering direction.

As yet another alternative embodiment, the GPIO interface is configured to receive an infrared tracking signal of the infrared photosensor interface or a signal of another digital interface.

As yet another alternative embodiment, the gesture analysis module is an MPU6050 gesture analysis module, which is used for detecting and controlling the motion state of the intelligent trolley.

As yet another alternative embodiment, the power LDO circuit includes a power management chip SPX3918M5.

As yet another alternative embodiment, the motor drive module is a BT6612 motor drive module.

As a further alternative implementation manner, the power supply circuit interface outputs the working state and the current-voltage parameter of the power supply based on the I2C protocol communication mode.

As yet another alternative embodiment, the ADC/DAC signal interface is used for analog voltage signal acquisition and voltage regulation output.

Compared with the prior art, the embodiment of the utility model has the following beneficial effects:

according to the embodiment of the utility model, the double-row socket is arranged on the bottom plate, and the plug is arranged at the bottom of the core plate, so that the core plate is detachable, and when maintenance or replacement is needed, only the core plate or the bottom plate is needed, so that the maintenance and replacement cost is low; meanwhile, the core board can be matched with different main chips, and the base board can be provided with different numbers and types of functional interfaces, so that the combination of the core board and the base board can be various, and the variety of selection and assembly is relatively rich; the intelligent car can provide module interfaces required by a plurality of intelligent cars and is used for accessing corresponding functional modules, so that the intelligent cars realize the functions of infrared tracking, ultrasonic obstacle avoidance, bluetooth remote control, steering engine movement control, serial port communication and the like.

Drawings

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

Fig. 1 is a schematic structural view of a detachable control board of an intelligent car according to an embodiment of the present utility model;

fig. 2 is a schematic structural view of a core board of a detachable control board according to an embodiment of the present utility model.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, 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.

Referring to fig. 1 and 2, an embodiment of the present utility model discloses a detachable control board of an intelligent car, which comprises a core board 1 and a bottom board 2;

the middle of the core board 1 is integrated with a main chip interface, a USB port 11 is arranged on the upper side of the core board, a power supply LDO circuit 12 and a reverse connection protection circuit 13 are arranged on the left side of the core board, and a reset circuit 14 and a touch key control circuit 15 are arranged on the right side of the core board;

the base plate 2 is provided with a power supply circuit interface 21, a motor driving module 22, a motor control interface 212 and a steering engine control interface 23, and is also provided with at least one of a Bluetooth module interface 24, an ultrasonic module interface 25, an infrared photoelectric sensor interface, an SPI interface 26, an I2C interface 27, an ADC/DAC signal interface 28, an attitude analysis module 29, a buzzer module 210, a GPIO interface 211 and a program downloading interface 212;

two or more groups of double-row sockets are further arranged on the bottom plate 2, plugs corresponding to the double-row sockets are arranged at the bottom of the core plate 1, and the core plate 1 is inserted into the bottom plate 2 through the plugs.

In the embodiment, by arranging the double-row socket on the bottom plate 2 and arranging the plug at the bottom of the core plate 1, the core plate 1 can be detached, and when maintenance or replacement is needed, only the core plate 1 or the bottom plate 2 is needed to be taken, so that the maintenance and replacement cost is low; meanwhile, the core board 1 can be matched with different main chips, and the base board 2 can be provided with different numbers and types of functional interfaces, so that the combination of the core board 1 and the base board 2 can be various, and the variety of selection and assembly is rich; the intelligent car can provide module interfaces required by a plurality of intelligent cars and is used for accessing corresponding functional modules, so that the intelligent cars realize the functions of infrared tracking, ultrasonic obstacle avoidance, bluetooth remote control, steering engine movement control, serial port communication and the like.

Alternatively, the main chip of the core board 1 may be an STM32F103RET6, GD32F103RET6, or STM32F405RET6 chip.

In an alternative embodiment, the intelligent vehicle includes 4 motors, the number of motor drive modules 22 is 2-4, each motor drive module 22 controls 1-2 motors, and each motor is controlled by only one motor drive module 22. Four motor drive can independently drive four wheels of intelligent dolly simultaneously, compares two motor drive, and the dynamic performance when climbing, starting and accelerating is better, controls more nimble, is more suitable for accomplishing the motion under the more complicated road conditions such as uneven road surface, slope, sharp turn.

In yet another alternative embodiment, when the detachable control board includes the ultrasonic module interface 25 and the I2C interface 27, the ultrasonic module interface 25 uses an I2C protocol communication mode and shares a signal line with the I2C interface 27. The ultrasonic module interface 25 adopts an I2C protocol communication mode and shares two signal lines with other I2C interface 27 devices, and signal collision cannot occur due to the fact that different device addresses are adopted.

In yet another alternative embodiment, the steering engine control interface 23 receives 4 paths of control signals, where the control signals are used to control the steering actions in four steering directions, i.e., front, rear, left, right, and each 1 path of control signals corresponds to one steering direction. Alternatively, the 4-way control signals can be independently controlled by a timer in the main chip to generate pulse signals.

In yet another alternative embodiment, the GPIO interface 211 is configured to receive an infrared tracking signal of the infrared photosensor interface or a signal of another digital interface.

In yet another alternative embodiment, the gesture analysis module 29 is an MPU6050 gesture analysis module 29 for detecting and controlling the movement state of the intelligent vehicle. Such as posture adjustment in a state where the cart is tilted, turned, or the like.

In yet another alternative embodiment, the power supply LDO circuit 12 includes a power management chip SPX3918M5, which is a low noise high precision power management chip.

In yet another alternative embodiment, the motor driving module 22 is a BT6612 motor driving module 22, which has small size, few external components, and simple use.

In yet another alternative embodiment, the power supply circuit interface 21 outputs the operating state of the power supply and the current voltage parameter based on the I2C protocol communication mode.

In yet another alternative embodiment, the ADC/DAC signal interface 28 comprises two paths, which may be used for analog voltage signal acquisition and voltage regulation output, or other analog functional interface control.

In yet another alternative embodiment, the touch key control circuit uses TTP223 to touch the key module to implement system emergency control.

The disclosure of the embodiments of the present utility model is merely a preferred embodiment of the present utility model, and is merely for illustrating the technical scheme of the present utility model, but not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that; the technical scheme recorded in the various embodiments can be modified or part of technical features in the technical scheme can be replaced equivalently; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims

1. The detachable control panel of the intelligent trolley is characterized by comprising a core plate and a bottom plate;

2. The detachable control board according to claim 1, wherein the intelligent vehicle includes 4 motors, wherein the number of the motor driving modules is 2 to 4, each of the motor driving modules controls 1 to 2 of the motors, and each of the motors is controlled by only one of the motor driving modules.

3. The detachable control board of claim 1, wherein when the detachable control board includes the ultrasonic module interface and the I2C interface, the ultrasonic module interface uses an I2C protocol communication scheme and shares a signal line with the I2C interface.

4. The detachable control board according to claim 1, wherein the steering engine control interface receives 4 paths of control signals, the control signals are used for controlling steering actions in four steering directions, namely front, back, left and right, and each 1 path of control signals corresponds to one steering direction.

5. The detachable control board of claim 1, wherein the GPIO interface is configured to receive an infrared tracking signal of the infrared photosensor interface or a signal of another digital interface.

6. The detachable control board according to claim 1, wherein the gesture analysis module is an MPU6050 gesture analysis module for detecting and controlling a movement state of the intelligent vehicle.

7. The detachable control board of claim 1, wherein the power LDO circuit comprises a power management chip SPX3918M5.

8. The detachable control board according to claim 1 or 2, wherein the motor drive module is a BT6612 motor drive module.

9. The detachable control board of claim 1, wherein the power supply circuit interface outputs the operating state of the power supply and the current voltage parameter based on the I2C protocol communication.

10. The detachable control board of claim 1, wherein the ADC/DAC signal interface is for analog voltage signal acquisition and voltage adjustment output.