CN215298008U

CN215298008U - PLC control system convenient to access internet of things

Info

Publication number: CN215298008U
Application number: CN202121291776.5U
Authority: CN
Inventors: 夏雪
Original assignee: Shenzhen Jubang Yuntian Technology Co ltd
Current assignee: Shenzhen Jubang Yuntian Technology Co ltd
Priority date: 2021-06-09
Filing date: 2021-06-09
Publication date: 2021-12-24
Anticipated expiration: 2031-06-09

Abstract

The utility model discloses a PLC control system convenient for accessing the Internet of things, which comprises a data acquisition module, a cloud server, a mobile terminal and a PLC cloud intelligent gateway module, and is used for data communication among the data acquisition module, the cloud server and a display module; the PLC cloud intelligent gateway module comprises a micro control unit, and a digital-to-analog converter, an analog-to-digital converter, a power supply unit, a network unit, a signal input and output unit, a downloading unit, a crystal oscillator unit, a USB unit, a key unit, an operation switch unit, a video playing unit, a WIFI unit and a display unit which are connected with the micro control unit, and based on the PLC cloud intelligent gateway module, the safety performance of the whole system is high; the method can reduce the downtime to the maximum extent and strive for the first time to recover the production; simple structure carries out cloud control to PLC after being convenient for insert the thing networking.

Description

PLC control system convenient to access internet of things

Technical Field

The utility model relates to a PLC technical field, concretely relates to PLC control system convenient to insert thing networking.

Background

Based on the structure of a Programmable Logic Controller (PLC), it is not a difficult problem to realize basic communication, and under the requirements of the existing equipment joint control and intelligent factories, information interaction among the PLC, a host computer and other intelligent equipment becomes more important, and how to achieve a whole and realize decentralized centralized control and intelligent control needs to be realized by the technology of intellectualization and the internet of things.

Data interaction, big data application and artificial intelligence application of the current programmable controller (PLC) are often ignored by most people, the current Internet enters the era of mobile Internet of things and big data artificial intelligence, industrial field data and product equipment state information are the largest wealth of enterprises, the data are huge, the traditional programmable controller (PLC) can not meet the requirement of the current industrial field big data artificial intelligence application, and the traditional programmable controller (PLC) can be accessed to the Internet, but the implementation steps are complex, the cost is high, and the calling is troublesome; information exchange and communication based on the internet of things are also complex projects, and generally, PLC implementers do not have knowledge of the information, so that popularization and application of a Programmable Logic Controller (PLC) with internet of things and intellectualization in the field are also a great difficulty in order that a Programmable Logic Controller (PLC) in the industry can simply call up latest big data, mobile internet of things, intelligent analysis and other data.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PLC control system convenient to access thing networking.

In order to achieve the above object, the utility model provides a following technical scheme: a PLC control system that facilitates access to the internet of things, comprising:

the data acquisition module is used for acquiring and uploading data of the PLC;

the cloud server is used for acquiring the data uploaded by the data acquisition module, and processing, storing and uploading the data;

the mobile terminal is used for acquiring and displaying data uploaded by the cloud server, acquiring and uploading modified parameters;

the PLC cloud intelligent gateway module is used for data communication among the data acquisition module, the cloud server and the display module; the PLC cloud intelligent gateway module comprises a micro control unit, and a digital-to-analog converter, an analog-to-digital converter, a power supply unit, a network unit, a signal input and output unit, a downloading unit, a crystal oscillator unit, a USB unit, a key unit, an operation switch unit, a video playing unit, a WIFI unit and a display unit which are connected with the micro control unit.

Further, the model of the micro control unit is ARM-M3-VC.

Further, the network unit comprises a chip U11, and a CAN control circuit, an RS232 interface circuit, an RS485 interface circuit and an external playing circuit which are connected with the chip U11.

Further, the model of the chip U11 is W5500.

Further, the data acquisition module is specifically a CPU, and the data acquisition module includes an input/output module, a communication module, an electrical parameter module, a state self-checking module, an anti-interference module, an encryption module, and an energy module.

Further, the input/output module comprises an isolated output digital IO interface, an isolated output analog IO interface, an external RS485 interface, an external CAN interface, an external RS232 interface, and an external RJ45 interface.

Further, the communication module comprises a GPRS module, a 4G module, a Bluetooth module and a WIFI module.

According to the above technical scheme, the utility model discloses following beneficial effect has:

based on the PLC cloud intelligent gateway module, the safety performance of the whole system is high; the method can reduce the downtime to the maximum extent and strive for the first time to recover the production; simple structure carries out cloud control to PLC after being convenient for insert the thing networking.

Drawings

FIG. 1 is a schematic diagram of the overall system structure of the present invention;

FIG. 2 is a schematic structural diagram of the PLC cloud intelligent gateway module system of the present invention;

FIG. 3 is a schematic diagram of the circuit structure of the micro control unit of the present invention;

fig. 4 is a schematic diagram of the circuit structure of the chip U11 of the present invention;

fig. 5 is a schematic diagram of the RS232 interface circuit structure of the present invention;

FIG. 6 is a schematic diagram of the CAN control circuit structure of the present invention;

fig. 7 is a schematic diagram of the RS485 interface circuit structure of the present invention;

fig. 8 is a schematic diagram of the external playing circuit structure of the present invention.

Detailed Description

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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.

Please refer to fig. 1-8, the utility model provides a PLC control system convenient to access thing networking, including data acquisition module, cloud ware, mobile terminal and PLC cloud intelligent gateway module, mobile terminal includes the PC, it is dull and stereotyped, cell-phone etc, wherein data acquisition module is to PLC's running signal, the running data, the residual current volume, system parameters, sensing parameters, fault signal, trend signal and the video key signal who has been handled by industrial computer control software are gathered the back and are uploaded, cloud ware includes high in the clouds communication service unit, high in the clouds communication service receiving unit, high in the clouds data server and application server, high in the clouds communication service unit acquires the data that data acquisition module uploaded, high in the clouds communication service receiving unit is to data analysis, diagnosis and integration, then upload to high in the clouds data server and store, and upload to application server and make this data can provide for through web or webservice mode after carrying out interactive processing to this data The mobile terminal (PC, tablet, mobile phone, etc.) displays, meanwhile, a user can modify and adjust parameters on the mobile terminal and then feed back the parameters to the cloud server, and technicians can modify the parameters through the fed back parameters, so that the downtime is reduced to the maximum extent, and the production is recovered at the first time.

The PLC cloud intelligent gateway module is used for data mutual communication among the data acquisition module, the cloud server and the display module, is combined with various communication interfaces, is compatible with an RS422 Ethernet interface PLC, is combined with multiple communication modes, is combined with various communication modes such as WIFI, Ethernet, 3G and the like, is suitable for various industrial environments, adopts a VPNoverP2P remote safe communication mode, is combined with an RSA encryption algorithm to ensure communication safety and strictly prevents data leakage; the PLC cloud intelligent gateway module comprises a micro control unit, and a digital-to-analog converter, an analog-to-digital converter, a power supply unit, a network unit, a signal input and output unit, a downloading unit, a crystal oscillator circuit, a USB circuit, a key circuit, an operation switch circuit, a video playing circuit, a WIFI circuit and a display circuit which are connected with the micro control unit, wherein the model of the micro control unit is ARM-M3-VC.

The network unit comprises a chip U11, a CAN control circuit, an RS232 interface circuit, an RS485 interface circuit and an external playing circuit, wherein the CAN control circuit, the RS232 interface circuit, the RS485 interface circuit and the external playing circuit are connected with the chip U11, and the model of the chip U11 is W5500. Rs232/485 can be used for communication.

The PLC cloud intelligent gateway module is an equipment communication terminal product which integrates various internet communication technologies and is oriented to the industrial field. The system comprises a plurality of internet access modes such as 3G, 4G, WIFI and the like, can adapt to various network application environments, provides a safe communication link available everywhere, and realizes remote monitoring and operation of the PLC through a PLC cloud intelligent gateway module.

The data acquisition module is specifically a CPU, and comprises an input/output module, a communication module, an electrical parameter module, a state self-checking module, an anti-interference module, an encryption module and an energy module. The input and output module comprises an isolated output digital IO interface, an isolated output analog IO interface, an external RS485 interface, an external CAN interface, an external RS232 interface and an external RJ45 interface. The communication module comprises a GPRS module, a 4G module, a Bluetooth module and a WIFI module. The encryption module realizes that the data is stored off line and communicated with the data interaction in a special encryption mode, and the safety of the equipment data is ensured.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a PLC control system convenient to access thing networking which characterized in that includes:

2. The PLC control system convenient for accessing the Internet of things as claimed in claim 1, wherein: the model of the micro control unit is ARM-M3-VC.

3. The PLC control system convenient for accessing the Internet of things as claimed in claim 1, wherein: the network unit comprises a chip U11, a CAN control circuit, an RS232 interface circuit, an RS485 interface circuit and an external playing circuit, wherein the CAN control circuit, the RS232 interface circuit, the RS485 interface circuit and the external playing circuit are connected with the chip U11.

4. The PLC control system convenient for accessing the Internet of things as claimed in claim 3, wherein: the model number of the chip U11 is W5500.

5. The PLC control system convenient for accessing the Internet of things as claimed in claim 1, wherein: the data acquisition module is specifically a CPU, and the data acquisition module comprises an input/output module, a communication module, an electrical parameter module, a state self-checking module, an anti-interference module, an encryption module and an energy module.

6. The PLC control system convenient for accessing the Internet of things as claimed in claim 5, wherein: the input and output module comprises an isolated output digital IO interface, an isolated output analog IO interface, an external RS485 interface, an external CAN interface, an external RS232 interface and an external RJ45 interface.

7. The PLC control system convenient for accessing the Internet of things as claimed in claim 5, wherein: the communication module comprises a GPRS module, a 4G module, a Bluetooth module and a WIFI module.