CN218159010U

CN218159010U - Industrial data acquisition module with strong expansibility

Info

Publication number: CN218159010U
Application number: CN202222203389.2U
Authority: CN
Inventors: 朱玉峰; 黄金裕
Original assignee: Hainan Shidian Technology Co ltd
Current assignee: Hainan Shidian Technology Co ltd
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2022-12-27
Anticipated expiration: 2032-08-22

Abstract

The utility model discloses an industrial data acquisition module with strong expansibility, which comprises a shell and a PCB arranged inside the shell, wherein the PCB comprises a PCB mainboard and at least one PCB function board; the PCB mainboard is provided with at least one main expansion interface; the PCB functional board is provided with a wiring terminal and a secondary expansion interface matched with the expansion interface; the PCB main board is electrically connected with the PCB function board in a mode that the main expansion interface is clamped with the secondary expansion interface. The utility model provides a strong industrial data acquisition module of expansibility through being divided into PCB mainboard and PCB function board with the PCB board, has strengthened acquisition module's expansibility, reduces the maintenance degree of difficulty and cost, and the shell can be general, has reduced the design manufacturing cost.

Description

Industrial data acquisition module with strong expansibility

Technical Field

The utility model relates to an industry control field especially relates to an industrial data acquisition module that expansibility is strong.

Background

In industrial production, especially in the production line that degree of automation is high, the normal operation of equipment very relies on the data that all kinds of sensors measured, but because communication protocol is incompatible, the electrical characteristic does not match the scheduling problem, also in order to form electric isolation between sensor and industrial controller simultaneously, the centralized management of being convenient for, sensor and industrial controller (such as PLC, TDC) between not direct connection often are provided with data acquisition module between sensor and industrial controller, gather the signal of each sensor by this data acquisition module, convert the signal that industrial controller can accept into.

The existing industrial data acquisition module usually arranges a data port, a data processing circuit, a power supply circuit, a signal processing circuit and other peripheral circuits on the same PCB, so that the data acquisition modules with different functions (such as an analog signal acquisition module and a digital signal acquisition module) and different specifications (such as different numbers of supported signal paths) need to adopt different PCB designs, and simultaneously needs to design a shell for each PCB independently, and such a way has the following defects: 1. each data acquisition module needs to be designed by an independent PCB, a shell needs to be designed and opened, and the manufacturing cost is relatively high; 2. the expansibility of the acquisition module is low, and the acquisition module is difficult to adapt to the complex and variable actual application requirements; 3. when a certain part of the data acquisition module has a problem, the whole data acquisition module needs to be repaired or replaced, and the maintenance cost is high.

SUMMERY OF THE UTILITY MODEL

In view of the above disadvantages of the current industrial control module, the utility model provides an industrial data acquisition module with strong expansibility, which can realize that different modules share the same shell; the PCB adopts a modular design, is divided into a PCB main board and PCB function boards, is connected through a contact or a pin header, is convenient to expand, and can be replaced by different PCB function boards to meet different use requirements; when the data acquisition module breaks down, only the fault part needs to be replaced, and the maintenance cost is reduced.

In order to achieve the above object, the embodiments of the present invention adopt the following technical solutions:

an industrial data acquisition module with strong expansibility comprises a shell and a PCB arranged in the shell, wherein the PCB comprises a PCB main board and at least one PCB functional board; the PCB mainboard is provided with at least one main expansion interface; the PCB functional board is provided with a wiring terminal and a secondary expansion interface matched with the expansion interface; the PCB main board is electrically connected with the PCB function board in a mode that the main expansion interface is clamped with the secondary expansion interface.

The PCB mainboard is integrated with a universal power supply circuit and a signal processing circuit, and is responsible for supplying power for the whole data acquisition module and realizing communication with an upper computer, and the PCB function board is mainly responsible for connecting sensor signals and processing the signals.

The main expansion interface is provided with a power supply terminal and a data transmission terminal, and the secondary expansion interface is correspondingly provided with a power supply terminal and a data transmission terminal.

The main expansion interface and the secondary expansion interface are contacts or pin headers.

A plurality of reinforcing studs are arranged between the PCB main board and the PCB functional board as supports, and reinforcing screws are arranged in the reinforcing studs.

The housing comprises an upper shell and a lower shell; the upper shell and the lower shell are fixedly connected through screws, so that the installation is convenient, and the disassembly is convenient to replace the PCB functional board.

And a waterproof joint is arranged on the lower shell.

The PCB mainboard is provided with a data output interface, the data output interface is provided with a data line, and the data line passes through the lower shell and is led out from the waterproof connector.

The utility model discloses the advantage of implementing:

adopt the modularized design, divide into PCB mainboard and PCB function board with data acquisition module, plug into through contact or row's needle file between the two, be convenient for according to actual demand independent assortment, use in a flexible way, cost of maintenance is lower, and data acquisition module can use same kind of shell in addition, reduces design and manufacturing cost.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is an external view of a data acquisition module for industrial use with high expansibility according to the present invention;

fig. 2 is a structural view of the PCB function board according to the embodiment of the present invention;

fig. 3 is an installation diagram of the PCB main board and the PCB function board according to the embodiment of the present invention.

Illustration of the drawings:

1. a housing; 11. an upper shell; 12. a lower case; 121. a waterproof joint; 122. mounting a plate; 123. Mounting holes; 2. a PCB main board; 21. a main expansion interface; 22. a data line; 3. a PCB function board; 31. a wiring terminal; 32. a secondary expansion interface; 4. reinforcing the stud; 5. and (7) reinforcing screws.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

As shown in fig. 1, fig. 2 and fig. 3, an industrial data acquisition module with strong expansibility includes a housing 1 and a PCB board disposed inside the housing 1, where the PCB board includes a PCB main board 2 and at least one PCB functional board 3; at least one main expansion interface 21 is arranged on the PCB mainboard 2; the PCB function board 3 is provided with a wiring terminal 31 and a secondary expansion interface 32 matched with the expansion interface; the PCB mainboard 2 and the PCB function board 3 are electrically connected through the main expansion interface 21 and the secondary expansion interface 32.

The PCB mainboard 2 is integrated with a universal power supply circuit and a signal processing circuit, and is responsible for supplying power for the whole data acquisition module and realizing communication with an upper computer, while the PCB function board 3 is mainly responsible for connecting sensor signals and processing the signals, and the main function part and other peripheral circuits are designed on different PCB boards, so that the circuit complexity of a single PCB board is reduced, the difficulty of circuit design is reduced to a certain degree, and the stability can be improved.

When an acquisition module supporting new functions needs to be developed, the PCB function board 3 only needs to be redesigned according to the new functions, the research and development period and the development cost are shortened, further, special customized services are conveniently provided for customers, and more requirements are met.

The main expansion interface 21 is provided with a power supply terminal and a data transmission terminal, and the secondary expansion interface 32 is correspondingly provided with a power supply terminal and a data transmission terminal.

In this embodiment, the main expansion interface 21 is configured as a pin header connector, and the secondary expansion interface 32 is configured as a pin header connector corresponding thereto.

Optionally. The main expansion interface 21 and the secondary expansion interface 32 can also be connected in a contact manner to realize electrical connection.

A plurality of reinforcing studs 4 are arranged between the PCB main board 2 and the PCB functional board 3 as supports, and reinforcing screws 5 are arranged in the reinforcing studs 4; after the PCB main board 2 and the PCB function board 3 are connected through the main expansion interface 21 and the secondary expansion interface 32 to realize electrical connection, the reinforcing stud 4 and the reinforcing screw 5 are adopted to fix the two and can be separated by a certain distance, and the shock absorption and impact resistance capability is certain, so that the heat concentration and accumulation can be effectively avoided.

The housing 1 includes an upper case 11 and a lower case 12; the upper shell 11 and the lower shell 12 are fixedly connected through screws, so that the installation is convenient, and the disassembly is also convenient to replace the PCB functional board 3 in the upper shell.

Preferably, a foam or rubber sealing ring may be disposed between the upper shell 11 and the lower shell 12 to enhance the dust-proof and liquid-proof capability of the data acquisition module.

Be provided with water joint 121 on the inferior valve 12, the inferior valve 12 both sides are provided with mounting panel 122, be provided with a plurality of mounting holes 123 on the mounting panel 122, data acquisition module can be through mounting hole 123 on the mounting panel 122, adopts the mode of bolt or pin to fix on other object surfaces.

The PCB mainboard 2 is provided with a data output interface, the data output interface is provided with a data line 22, and the data line 22 passes through the lower shell 12 and is led out from the waterproof connector 121 and connected to an upper computer such as a PLC controller.

The utility model discloses the advantage of implementing:

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. An industrial data acquisition module with strong expansibility comprises a shell (1) and a PCB arranged in the shell (1), and is characterized in that the PCB comprises a PCB main board (2) and at least one PCB functional board (3); at least one main expansion interface (21) is arranged on the PCB main board (2); the PCB function board (3) is provided with a wiring terminal (31) and a secondary expansion interface (32) matched with the expansion interface; the PCB main board (2) and the PCB function board (3) are electrically connected in a mode that the main expansion interface (21) is connected with the secondary expansion interface (32) in a clamping mode.

2. The industrial data acquisition module with high expansibility according to claim 1, wherein the primary expansion interface (21) is provided with a power supply terminal and a data transmission terminal, and the secondary expansion interface (32) is correspondingly provided with a power supply terminal and a data transmission terminal.

3. The industrial data acquisition module of claim 2, wherein the main expansion interface (21) and the secondary expansion interface (32) are contacts or pins.

4. The industrial data acquisition module with high expansibility according to claim 1, wherein a plurality of reinforcing studs (4) are arranged between the PCB main board (2) and the PCB function board (3) as supports, and reinforcing screws (5) are arranged in the reinforcing studs (4).

5. The highly scalable industrial data collection module according to claim 1, wherein the housing (1) comprises an upper shell (11) and a lower shell (12); the upper shell (11) is fixedly connected with the lower shell (12) through screws.

6. The highly scalable industrial data collection module according to claim 5, wherein a waterproof joint (121) is provided on the lower shell (12).

7. The industrial data acquisition module with high expansibility according to claim 6, wherein the PCB main board (2) is provided with a data output interface, the data output interface is provided with a data line (22), and the data line (22) passes through the lower shell (12) and is led out from the waterproof connector (121).