CN212084472U

CN212084472U - Microcontroller shield plate structure

Info

Publication number: CN212084472U
Application number: CN202020893912.7U
Authority: CN
Inventors: 朱诚
Original assignee: Anhui Bihu Intelligent Technology Co ltd
Current assignee: Anhui Bihu Intelligent Technology Co ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2020-12-04
Anticipated expiration: 2030-05-25

Abstract

The utility model discloses a microcontroller shield plate structure, which belongs to the technical field of electronic experiments, and comprises a PCB (printed Circuit Board) and an electronic device arranged on the PCB, wherein the electronic device comprises a development unit and a power supply unit, and the development unit comprises a microcontroller slot for inserting microcontroller modules with different functions; the PCB board is also provided with a bread board and an I/O (input/output) bus bar seat, the positive and negative welding pins of the bread board are electrically connected with the power supply unit, and the I/O bus bar seat is electrically connected with the signal end of the microcontroller slot. The bread board, the I/O bus socket, the power supply unit and the main control unit are integrated on the PCB to form a complete microcontroller development shield, so that the connection between the expansion electronic module and the electronic element on the development system adopts short jumper wires, and the problems of crossing and disorder of connecting wires, poor reliability and difficult comparison and inspection caused by the conventional DuPont wire plugging are solved.

Description

Microcontroller shield plate structure

Technical Field

The utility model belongs to the technical field of the electron experiment, in particular to microcontroller shield structure.

Background

Intelligent product development and school's electronic course teaching all relate to microcontroller development in a large number, and current microcontroller development is with microcontroller development board as the core, and external experimental circuit and component module connect on the bread board at first, then connect to microcontroller development board in the corresponding pin gang jack of IO through the dupont line, and these plug wires often the colour is chaotic, and are not of uniform size, and the disheveled overlap all brings serious harmful effects for circuit reliability and experimental result accuracy. In order to solve the problems, some development board manufacturers also provide shield boards suitable for the development boards, required devices are welded on the shield boards, shield board interfaces are consistent with the development boards, and the shield boards are inserted and stacked on the development boards during experiments so as to reduce original connecting lines. Although the mode reduces wiring to a certain extent and improves the reliability of the circuit, components on the shield plate are fixed and unified and cannot be added or deleted, the shield plate is not universal, and an interface of the shield plate can only be matched with a microcontroller development board model of a specific model, so that the application range of the shield plate is greatly limited. In addition, the existing microcontroller development board is basically powered by external power supplies, which include a computer USB power supply, a dc voltage regulator power supply, and an external battery or battery box. These power supplies not only add wiring but also do not facilitate development of either off-line or stand-alone demonstration runs of the panel experimental setup.

According to the problems, the shield plate structure of the microcontroller fixes the battery box in an integrated manner on the bottom surface of the shield plate, so that not only is the development plate system operated in an integrated and independent off-line manner, but also the program is more conveniently debugged and downloaded in a wireless mode, and the development process is simpler and more efficient. The battery box at the bottom also effectively protects the pins of the development board from short circuit without any problem, and the occurrence of faults is reduced. The microcontroller chip on the traditional microcontroller development board is all pasted and welded on the development board PCB, and after the development is finished, if a prototype system is needed, the circuit board can only be redrawn, so that the process is complicated, and the development period is prolonged. The shield plate of the microcontroller disclosed by the invention adopts the minimum system modularization of the microcontroller, the microcontroller module slot is provided on the shield plate to insert the latest system of the microcontroller, and the microcontroller can be immediately taken out after debugging is finished and a program is programmed, and is connected with an experimental circuit element on the shield plate to immediately become a design prototype. And the experiment shield can be plugged with the next microcontroller module and then programmed or modified and debugged. The innovative flexible mode obviously shortens the development period and obviously reduces the development cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a microcontroller shield structure is proposed just in order to solve the problem that the complicated and function of wiring between above-mentioned microcontroller shield control module and the bread board is restricted to microcontroller owner development board, has expansion board and the integrative structure of main development board, and the succinct and the good reliability of wiring, but from taking power off-line independent operation, microcontroller module can make things convenient for the dismouting to change, makes the shield function not restricted to microcontroller's advantage.

The utility model discloses a technical scheme realizes above-mentioned mesh, a microcontroller shield structure, including the PCB board and install the electron device on the PCB board, the electron device includes development unit and power supply unit, development unit includes the microcontroller slot, is used for the microcontroller module of different functions of cartridge;

the PCB board is also provided with a bread board and an I/O (input/output) bus bar seat, the positive and negative welding pins of the bread board are electrically connected with the power supply unit, and the I/O bus bar seat is electrically connected with the signal end of the microcontroller slot.

Preferably, the bread board and the I/O bus bar are fixed on one surface of the PCB, and the power supply unit and the main control unit are fixed on the other surface of the PCB.

Preferably, the power supply unit comprises a power management unit comprising a power management unit and a battery box, and the power management unit is further connected with an indicator lamp welded on the PCB.

Preferably, the bread board and the battery box are distributed and fixed on the PCB through screws, and the positive and negative electrodes of the bread board and the battery box are welded with a power circuit on the PCB.

Preferably, the main control unit further comprises a switch reset unit and an ISP program download unit, and the ISP program download unit is further connected to a USB connector welded to the PCB.

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

1. the bread board, the I/O bus bar seat, the power supply unit and the main control unit are integrated on the PCB to form a complete microcontroller development shield, so that short jumper wires are adopted for connection between the expansion electronic module and electronic elements on the development system, the problems of crossing and disorder of connection lines, poor reliability and difficulty in comparison and inspection caused by the conventional DuPont wire plugging are solved, and the positive and negative welding pins of the bread board are directly connected into the power supply unit, so that the power supply of the bread board is more reliable, and the power supply connection line is also omitted.

2. The bread board and the I/O bus bar seat occupy the whole area of the PCB, a larger operation space can be provided, the electronic module can be conveniently installed and short jumper wires can be conveniently expanded, the power supply unit adopts a battery box for supplying power, an external power supply is not needed, power is not required to be supplied from a computer, and the offline independent operation is convenient.

3. The microcontroller module with different functions can be inserted into the microcontroller slot of the main control unit, and different microcontroller modules can be replaced, so that the development function of the shield is not limited by the microcontroller module.

Drawings

Fig. 1 is a schematic view of a minimum development system formed by shield plate structures according to the present invention.

Fig. 2 is a schematic view of the front structure of the shield plate of the present invention.

Fig. 3 is a schematic view of the back structure of the shield plate of the present invention.

In the figure: 1. the system comprises a PCB (printed circuit board), 2, a bread board, 3, an I/O (input/output) bus socket, 4, an indicator light, 5, a USB (universal serial bus) connector, 6, a switch resetting unit, 7, a microcontroller slot, 8, a power management unit, 9, an ISP (internet service provider) program downloading unit, 10 and a battery box.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, a microcontroller shield structure includes a PCB 1 and an electronic device mounted on the PCB 1, where the electronic device includes a development unit and a power supply unit, the development unit includes a microcontroller socket 7 for plugging in microcontroller modules with different functions; the PCB board 1 is also provided with a bread board 2 and an I/O row female seat 3, the anode and cathode welding pins of the bread board 2 are electrically connected with a power supply unit, the I/O row female seat 3 is electrically connected with a signal end of a microcontroller slot 7, the power supply unit and a main control unit can form a minimum system, the bread board 2 and the I/O row female seat 3 arranged on the minimum system can provide an expansion function, an external electronic module can be connected with the minimum system by being arranged on the bread board 2 or connected into the I/O row female seat 3 to expand the function of the minimum system, the main control unit is responsible for providing the function of the minimum system, the power supply unit supplies power for the minimum system, the bread board 2, the I/O row female seat 3, the power supply unit and the main control unit are integrated on the same PCB board 1, the wiring complexity of the bread board 2, the main control unit and the power supply unit can be reduced, and the reliability of power supply is increased, the control and check of the circuit fault are facilitated, the microcontroller slot 7 can provide microcontroller modules with different functions for plug-in mounting, the shield structure is not limited by the functions of the microcontroller slot 7, the flexible mode enables the development period to be obviously shortened, and the development cost to be obviously reduced.

As shown in fig. 2 and fig. 3, the bread board 2 and the I/O bus bar 3 are fixed on one side of the PCB 1, the power supply unit and the main control unit are fixed on the other side of the PCB 1, the bread board 2 and the I/O bus bar 3 are used for externally connecting an electronic module with an extended function, and are independently installed on one side of the PCB 1 to provide a larger operation space, and also avoid the influence of the power supply unit and the main control unit on the extended electronic module, the power supply unit includes a power management unit 8 and a battery box 10, and the power management unit 8 is further connected with an indicator lamp 4 welded on the PCB 1, the shield board is powered by the battery box 10, can be carried along with the board, does not need an external power supply shield to take electricity, reduces the connection of power lines, and also enables the minimum system to independently operate off-line, the power management unit 8 is used for voltage stabilization and transformation, and distributes the electric energy, the indicating lamp 4 is used for indicating when being electrified, the main control unit comprises a switch resetting unit 6 and an ISP program downloading unit 9, the ISP program downloading unit 9 is also connected with a USB connector 5 welded on the PCB 1, the switch resetting unit 6 is used for resetting the system, the ISP program downloading unit 9 is used for programming the system operation program, and the ISP program downloading unit 9 is connected with the USB connector 5, can be inserted into a computer and can be used for programming the program on the computer.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

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. A microcontroller shield plate structure comprises a PCB (1) and an electronic device arranged on the PCB (1), wherein the electronic device comprises a development unit and a power supply unit, and is characterized in that the development unit comprises a microcontroller slot (7) for inserting microcontroller modules with different functions;

still install bread board (2) and female seat (3) of IO row on PCB board (1), the positive negative pole welding pin of bread board (2) with power supply unit electric connection, female seat (3) of IO row with the signal end electric connection of microcontroller slot (7).

2. The microcontroller shield structure according to claim 1, wherein the bread board (2) and the I/O bus bar socket (3) are fixed on one side of the PCB (1), and the power supply unit and the main control unit are fixed on the other side of the PCB (1).

3. Microcontroller shield structure according to claim 1, characterized in that the power supply unit comprises a power management unit comprising a power management unit (8) and a battery box (10), the power management unit (8) being further connected to an indicator light (4) soldered to the PCB board (1).

4. The shield structure of claim 3, wherein the bread board (2) and the battery box (10) are fixed on the PCB (1) by screws, and the positive and negative electrodes of the bread board and the battery box are welded to the power circuit on the PCB (1).

5. The microcontroller shield structure according to claim 2, wherein the main control unit further comprises a switch reset unit (6) and an ISP program download unit (9), and the ISP program download unit (9) is further connected with a USB connector (5) soldered on the PCB (1).