CN210722061U

CN210722061U - Information technology teaching experimental equipment capable of being plugged and unplugged quickly based on golden finger connection mode

Info

Publication number: CN210722061U
Application number: CN201921079707.0U
Authority: CN
Inventors: 吴跃鹏
Original assignee: Individual
Current assignee: Beijing Cuisi Education Technology Co ltd
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2020-06-09
Anticipated expiration: 2029-07-11

Abstract

The utility model discloses an information technology teaching experimental facilities, but information technology teaching experimental facilities of quick plug based on golden finger connected mode, including shell, card formula microcomputer unit, GPIO cell board and sensor chip module, card formula microcomputer unit pegs graft with GPIO cell board, its characterized in that: still include GPIO extension cell board, sensor chip module and peg graft with GPIO extension cell board, GPIO extension cell board is connected with GPIO cell board, and GPIO extension cell board has more than two standard sockets at least, and the standard socket adopts 40Pin quick plug sockets of golden finger, and sensor chip module has the grafting module. The connection mode of a microcomputer unit and a peripheral circuit is improved, modular peripheral circuit design is achieved through unified interface address allocation, a golden finger connector scheme is introduced, an experimental circuit connection design scheme of quick plugging and unplugging is achieved, experimental preparation time is shortened, and the problem caused by human errors is avoided.

Description

Information technology teaching experimental equipment capable of being plugged and unplugged quickly based on golden finger connection mode

Technical Field

The utility model relates to an information technology teaching experimental facilities based on but quick plug of golden finger connected mode.

Background

The rapid development of information globalization brings innovation and change in teaching mode in the technical field of education. The experimental teaching of the information technology course is used as an important component in the computer courses of high school, middle school and primary school, and brings larger expansion space for the knowledge mastering and application theoretical practice of students in the classroom.

According to the standard of high school information technology courses issued in 5 months in 2019, students are required to know the working mechanism of an embedded microcomputer, a Python programming language is adopted, and peripheral components connected with a microcomputer main board are used, such as: and the temperature sensor and the distance sensor are used for realizing acquisition and control. Therefore, higher requirements are provided for the computer experimental equipment in practical teaching, and the quality of the computer experimental equipment is directly related to the mastering capacity of students for the course.

The existing product conditions are as follows:

(1) embedded microcomputer mainboards generally employ: raspberry pie, orange pie, xugu, longguo pie, and so on. The mainboard adopts a contact pin type plugging method at the input and output interfaces to realize the connection between the mainboard and peripheral devices. This requires that students and teachers must master the pin definitions of the input-output interfaces. Meanwhile, the pin type pin is very easy to be inserted wrongly or folded due to small space.

(2) The current peripheral component manufacturers usually adopt the interface standard of DTH11, the process and quality of the device production are not uniform, the pins of the interface are oxidized and rosin-welded, the pins are easily inserted wrongly, short circuit is caused, or it takes a long time to remove faults, and the experimental time is wasted.

To above problem, the utility model provides an improve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an information technology teaching experimental facilities based on but quick plug of golden finger connected mode improves the connected mode of microcomputer unit and peripheral circuit, through unified interface address allocation, realizes the design of modularization peripheral circuit, cites golden finger connector scheme, realizes the experimental circuit connection design scheme of quick plug, reduces experiment preparation time, avoids the problem that the human error brought.

In order to achieve the above object, the utility model provides a following technical scheme:

information technology teaching experimental facilities based on golden finger connected mode can quick plug, including shell, card formula microcomputer unit, GPIO cell board and sensor chip module, the sensor chip module is installed in the top shell and is linked to each other with GPIO cell board, and card formula microcomputer unit is pegged graft with GPIO cell board, its characterized in that: still include GPIO extension cell board, sensor chip module and peg graft with GPIO extension cell board, GPIO extension cell board is connected with GPIO cell board, and GPIO extension cell board has more than two standard sockets at least, and the standard socket adopts golden finger 40Pin quick plug socket, and sensor chip module has the grafting module of inlaying mutually with golden finger 40Pin quick plug socket and inserting.

Preferably, the plug-in module adopts a plug-in board of 40 Pin.

Preferably, the sensor chip module comprises a temperature and humidity sensor module, and the GPIO communication address of the temperature and humidity sensor module is distributed to 1 pin, 21 pin and 40 pin.

Preferably, the sensor chip module comprises a steering engine module, and GPIO communication addresses of the steering engine module are distributed to pins 1, 27, 28 and 40.

Preferably, the sensor chip module comprises an ultrasonic sensor module, and the GPIO communication address of the ultrasonic sensor module is distributed on pins 1, 25, 26 and 40.

Preferably, the sensor chip module comprises an ultrasonic sensor module, and the GPIO communication address of the ultrasonic sensor module is distributed on

pins

1, 4, 5, 6, 7 and 40.

Preferably, the GPIO extension unit board is provided with five standard sockets.

Compared with the prior art, the beneficial effects of the utility model are as follows:

(1) the preparation time of course experiments is shortened, and the teaching quality and efficiency are greatly improved. Due to the adoption of the GPIO bus extension design scheme and the unified modularized pluggable technology, the problems that a large amount of time is needed for connecting circuits and components in the traditional teaching, short circuit is easy to occur, interfaces are damaged and the like are solved, so that students and teachers can be concentrated on control and experimental results of program languages on the circuits, the problem that the circuits irrelevant to courses are not needed to be solved by spending time is solved, and the teaching efficiency is greatly improved.

(2) Reduce the damaged probability of components and parts, improve the life of teaching experimental facilities. By adopting the design scheme of the golden finger pluggable interface, compared with the traditional needle type or DuPont wire connection, the number of times of plugging and unplugging components is increased, and the service life of the equipment is prolonged.

(3) And (4) standardized design, and interface address resources are allocated. Due to the adoption of the standardized design of the modularized unified interface address, the circuit damage caused by address conflict and the debugging time cost are avoided.

Drawings

Fig. 1 is a schematic structural diagram of a GPIO extended cell board of the present invention;

fig. 2 is a schematic diagram of a simple structure of a sensor chip module according to the present invention;

FIG. 3 is a schematic structural diagram of an information technology teaching experiment apparatus;

fig. 4 is a top view of fig. 3.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Please refer to fig. 1-4, the present invention provides a technical solution:

information technology teaching experimental facilities based on but gold finger connected mode quick plug, which comprises a housing 3, card formula microcomputer unit 8, GPIO cell board 2 and sensor chip module 4, sensor chip module 4 is installed in the top shell and is continuous with GPIO cell board 2, card formula microcomputer unit 1 is pegged graft with GPIO cell board 2, GPIO cell board 2 is connected with GPIO extension cell board 20, sensor chip module 4 with peg graft with GPIO extension cell board 2, GPIO extension cell board 20 has at least two above standard socket 21, standard socket adopts the quick plug socket of gold finger 40Pin, the sensor has the grafting module of inlaying mutually with the quick plug socket of gold finger 40 Pin. Wherein, the plug-in module adopts a 40Pin plug-in board. The utility model discloses a five GPIO extension cell boards are equipped with five standard sockets.

To the utility model, the following description is made:

(1) by additionally arranging the GPIO extension unit board 20 to manufacture a standard socket, namely a gold finger 40Pin quick plugging socket, the problems that the GPIO interface of the existing microcomputer is not suitable for frequent plugging and unplugging, and is easy to break, short circuit, poor contact, Pin error and the like in an experimental environment can be solved.

A GPIO (general purpose input/output interface) 40Pin (Pin) of a microcomputer board is expanded into 5 standard interfaces in parallel, namely a gold finger 40Pin quick plugging socket is manufactured, and an in-line socket of the gold finger 40Pin is adopted. As shown in fig. 1.

And then, repackaging and designing the sensors commonly used in the experiment, and manufacturing a unified plugging module by adopting a 40Pin plugging plate 5. Different sensors are assigned different data channels. By the design, channel conflict is avoided, and unified modular design and interface definition are realized.

Module name	GPIO communication address assignment	Remarks for note
			Temperature and humidity sensor module	1，21，40	1-Vcc，Gnd-40
Steering engine module	1，27，28，40	1-Vcc，Gnd-40
			Ultrasonic sensor module	1，25，26，40	1-Vcc，Gnd-40
4-way LED display module	1，4，5,6,7，40	1-Vcc，Gnd-40

As can be seen from the above table, the sensor chip module includes but is not limited to: 1. and GPIO communication addresses of the temperature and humidity sensor module are distributed on

pins

1, 21 and 40. 2. And the GPIO communication address of the steering engine module is distributed on pins 1, 27, 28 and 40. 3. And the GPIO communication address of the ultrasonic sensor module is distributed to 1, 25, 26 and 40 pins. 4. And the GPIO communication address of the ultrasonic sensor module is distributed to

pins

1, 4, 5, 6, 7 and 40.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Information technology teaching experimental facilities based on golden finger connected mode can quick plug, including shell, card formula microcomputer unit, GPIO cell board and sensor chip module, the sensor chip module is installed in the top shell and is linked to each other with GPIO cell board, and card formula microcomputer unit is pegged graft with GPIO cell board, its characterized in that: still include GPIO extension cell board, sensor chip module and peg graft with GPIO extension cell board, GPIO extension cell board is connected with GPIO cell board, and GPIO extension cell board has more than two standard sockets at least, and the standard socket adopts golden finger 40Pin quick plug socket, and sensor chip module has the grafting module of inlaying mutually with golden finger 40Pin quick plug socket and inserting.

2. The information technology teaching experimental equipment capable of being plugged and unplugged quickly based on the golden finger connection mode as claimed in claim 1, characterized in that: the plug-in module adopts a 40Pin plug-in board.

3. The information technology teaching experimental equipment capable of being plugged and unplugged quickly based on the golden finger connection mode as claimed in claim 1 or 2, characterized in that: the sensor chip module comprises a temperature and humidity sensor module, and GPIO communication addresses of the temperature and humidity sensor module are distributed on pins 1, 21 and 40.

4. The information technology teaching experimental equipment capable of being plugged and unplugged quickly based on the golden finger connection mode as claimed in claim 1 or 2, characterized in that: the sensor chip module comprises a steering engine module, and GPIO communication addresses of the steering engine module are distributed on pins 1, 27, 28 and 40.

5. The information technology teaching experimental equipment capable of being plugged and unplugged quickly based on the golden finger connection mode as claimed in claim 1 or 2, characterized in that: the sensor chip module comprises an ultrasonic sensor module, and GPIO communication addresses of the ultrasonic sensor module are distributed on pins 1, 25, 26 and 40.

6. The information technology teaching experimental equipment capable of being plugged and unplugged quickly based on the golden finger connection mode as claimed in claim 1 or 2, characterized in that: the sensor chip module comprises an ultrasonic sensor module, and GPIO communication addresses of the ultrasonic sensor module are distributed on pins 1, 4, 5, 6, 7 and 40.

7. The information technology teaching experimental equipment capable of being plugged and unplugged quickly based on the golden finger connection mode as claimed in claim 1 or 2, characterized in that: the GPIO extension unit board is provided with five standard sockets.