CN211478901U - Monitoring system for centrifugal casting production line - Google Patents

Abstract

The utility model discloses a monitoring system for a centrifugal casting production line, which is composed of a control cabinet, a data acquisition device for the centrifugal casting production line, and a remote monitoring system based on GPRS data transmission; the control cabinet includes a PLC, a corresponding communication module, and a data acquisition module. , HMI touch screen and alarm device; the data acquisition device of the centrifugal casting production line includes data acquisition devices such as pressure sensor, liquid level sensor, temperature sensor, tachometer, electric energy meter; the GPRS data transmission remote monitoring system mainly includes a data transmission unit ( DTU), Internet of Things cloud platform and data terminal; the data collection of the utility model is comprehensive, reflects the production and operation situation of casting production line equipment in real time, and has a remote alarm function at the same time, which is convenient for relevant personnel to deal with various abnormalities that occur in time, and ensures production safety. sequence.

Description

A monitoring system for centrifugal casting production line

technical field

The utility model relates to a monitoring system, in particular to a monitoring system for a centrifugal casting production line.

Background technique

The "Made in China 2025" development plan proposes the deep integration of informatization and industrialization. At present, most of the existing centrifugal casting production lines have a low degree of informatization, which makes it difficult for operators and managers to grasp the operation of on-site production equipment in real time, which is not conducive to production control and management; it is impossible to make timely and effective measures for sudden abnormal situations. Handling, affects the quality of castings, and there are certain safety risks.

SUMMARY OF THE INVENTION

The utility model provides a monitoring system for a centrifugal casting production line, which combines the Internet of Things technology with the centrifugal casting production line to establish a GPRS-based data transmission remote monitoring system, so as to grasp the operation status of each equipment of the centrifugal casting production line in time, and realize the real-time data, Remote management can reduce the labor intensity of managers, save emissions, improve product quality, and ensure production safety.

The utility model is composed of a control cabinet, a data acquisition device for a centrifugal casting production line and a remote monitoring system based on GPRS data transmission. The control cabinet includes a PLC and a corresponding communication module, a data acquisition module, an HMI touch screen and an alarm device; the data acquisition device for the centrifugal casting production line includes a pressure sensor, a liquid level sensor, a temperature sensor, a tachometer, an electric energy meter and other data acquisition devices ; The GPRS data transmission remote monitoring system mainly includes a data transmission unit (DTU), an Internet of Things cloud platform and a data terminal.

First of all, the utility model patent installs the centrifugal casting production line data acquisition device on the centrifugal casting production line, including installing a tachometer, a temperature sensor, and an electric energy meter on the power supply side of the centrifugal casting machine; installing the pressure inside the constant pressure cooling water tower sensor, level sensor.

The control cabinet uses PLC for control, data acquisition and processing, and uses HMI touch screen for production line information data display and human-computer interaction operations.

The data acquisition device of the centrifugal casting production line communicates with the PLC through the Modbus protocol, and uses the RS-485 interface for connection.

The alarm device is connected to the PLC.

The data transmission unit (DTU) is connected to the PLC through the RS-485 port, and uploads the field collected data to the IoT cloud platform via GPRS, and logs in the IoT cloud platform account through the data terminal to view the field data and perform corresponding operations.

The data terminals are smart phones and computers.

The utility model has an alarm function. When abnormal pressure, abnormal liquid level, abnormal temperature, abnormal operation of the centrifugal casting machine, etc. occur, the on-site alarm device is activated, the touch screen prompts the alarm information, the data terminal monitoring interface prompts the alarm information, and the mobile phone terminal will receive the alarm information. To the alarm text message, notify the relevant staff in time to deal with it, so as to avoid the occurrence of safety production accidents.

Through the description of the present utility model, compared with the prior art, the present utility model has the following characteristics:

The data acquisition device is added to the centrifugal casting production line to obtain the production and operation information of the production line equipment; the HMI touch screen of the control cabinet is designed with a good human-computer interaction interface, which can visually display the overall operation status of the centrifugal casting production line, and design the operation interface, historical curve and alarm. Recording, parameter setting, equipment operation statistics and other interfaces make equipment operation data visualized, and production history can be traced back, which is convenient for on-site staff to monitor and operate production, and convenient for management personnel to optimize production; the addition of remote monitoring system based on GPRS data transmission makes on-site The data can be uploaded to the Internet of Things cloud platform, which is convenient for managers to view and manage through smartphones and computers, and to grasp the production status in real time; it has the function of equipment data abnormality alarm, which can notify relevant staff to deal with production abnormalities in time and reduce the occurrence of safety production accidents.

Description of drawings

Fig. 1 shows the monitoring system of the centrifugal casting production line of the present invention.

Detailed ways

The present utility model will be further described below in conjunction with the accompanying drawings.

As shown in Figure 1, the utility model is a monitoring system for a centrifugal casting production line. It is a remote monitoring system based on PLC data acquisition and GPRS data transmission. The system mainly includes control cabinet, data acquisition device of centrifugal casting production line and remote monitoring system based on GPRS data transmission. The control cabinet includes a PLC and a corresponding communication module, a data acquisition module and an HMI touch screen; the centrifugal casting production line data acquisition device includes a pressure sensor, a liquid level sensor, a temperature sensor, a tachometer, an electric energy meter and other data acquisition devices; the The GPRS data transmission remote monitoring system mainly includes a data transmission unit (DTU), an IoT cloud platform and a data terminal; the data terminal includes a smartphone and a computer; Monitoring and management of casting production lines.

The above-mentioned pressure sensor and liquid level sensor are installed inside the constant pressure cooling water tower of the centrifugal casting production line to monitor the pressure and liquid level of the water tower; the temperature sensor is distributed in the centrifugal casting machine and used to collect the temperature of the casting; when the casting reaches the set temperature The corresponding cold water cooling spray operation is performed; the tachometer is used to monitor the rotational speed of the centrifuge; the electric energy meter is installed on the power supply side of the centrifuge to monitor and display information such as the operating voltage, current, and power of the centrifuge.

The above-mentioned pressure sensor, liquid level sensor, and temperature sensor convert the collected information into standard signals and transmit them to the PLC data acquisition module for analysis and processing; .

The collected information is stored in the PLC internal register after being processed by the written PLC program; the HMI touch screen reads and writes the PLC internal register through the Modbus protocol, and displays it in the form of a graphical interface for the staff to obtain equipment information on site; The operator can set the production process parameters, operate and manage the production line equipment through the HMI touch screen human-computer interaction interface; the data transmission unit (DTU) reads the data in the PLC register through the Modbus protocol, and transmits it to the Internet of Things cloud through the GPRS network. platform; users can view the real-time status information and historical operating parameters of the centrifugal casting production line in real time by logging into the IoT cloud platform account; they can remotely modify the parameters online and remotely control the centrifugal casting production line.

The utility model has an alarm function. When abnormal pressure, abnormal liquid level, abnormal temperature, abnormal operation of the centrifugal casting machine, etc. occur, the on-site alarm device is activated, the touch screen prompts alarm information, and the data terminal monitoring interface prompts alarm information. Receive an alarm text message and inform the relevant staff to deal with it in time to avoid production safety accidents.

Claims (7)

1. a centrifugal casting production line monitoring system, is characterized in that, comprises control cabinet, centrifugal casting production line data acquisition device and the remote monitoring system based on GPRS data transmission; Described control cabinet comprises PLC and corresponding communication module, data acquisition module, HMI A touch screen and an alarm device; the data acquisition device of the centrifugal casting production line includes a pressure sensor, a liquid level sensor, a temperature sensor, a tachometer, and an electric energy meter; the GPRS data transmission remote monitoring system mainly includes a data transmission unit DTU, an Internet of Things cloud platform and data terminal. 2 . The centrifugal casting production line monitoring system according to claim 1 , wherein the control cabinet utilizes PLC for control, data acquisition and processing, and an HMI touch screen for production line information data display and human-computer interaction. 3 . 3 . The centrifugal casting production line monitoring system according to claim 1 , wherein the data acquisition device of the centrifugal casting production line communicates with the PLC through the Modbus protocol, and the RS-485 interface is connected. 4 . 4. The centrifugal casting production line monitoring system according to claim 1, wherein the alarm device is connected to a PLC. 5. The centrifugal casting production line monitoring system according to claim 1, characterized in that: the data transmission unit DTU is connected with the PLC through the RS-485 port, and the on-site collected data is uploaded to the Internet of Things cloud platform through GPRS, and the data terminal is Log in to the IoT cloud platform account to view on-site data and perform corresponding operations. 6. The centrifugal casting production line monitoring system according to claim 1, wherein the data terminal is a smart phone and a computer. 7. The centrifugal casting production line monitoring system according to claim 1, characterized in that: the centrifugal casting production line monitoring system has an alarm function, and when abnormal pressure, abnormal liquid level, abnormal temperature, abnormal operation of the centrifugal casting machine occur, the The alarm device is activated, the touch screen prompts the alarm information, the data terminal monitoring interface prompts the alarm information, and the mobile phone terminal will receive an alarm text message to remind the relevant staff to deal with it in time to avoid production safety accidents.

Images