Inductor production line temperature control system

Abstract

The invention discloses a temperature control system for an inductor production line, which comprises a PLC (Programmable Logic Controller) part, a touch screen part, a temperature control part and a power switch part, and is characterized in that one side of the PLC part is connected with the touch screen part through an RS-485 communication interface; one side of the PLC part is connected with the temperature control part through an RS-485 communication interface, and the power switch part is connected with the PLC part, the touch screen part and the temperature control part. According to the temperature control system for the inductor production line, temperature control is accurate, the high-precision temperature sensor is adopted, and it is ensured that temperature data are accurately obtained in real time. A PID control algorithm and a temperature controller are used for processing temperature data in real time, operation is easy and convenient, a touch screen provides a visual man-machine interaction interface, heating and cooling equipment is automatically adjusted according to the preset temperature, manual intervention is reduced, production efficiency is improved, and energy consumption is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of temperature control of an inductor production line, and in particular to a temperature control system of an inductor production line. Background Art

[0002] With the continuous improvement of industrial automation level, temperature control system plays an increasingly important role in the field of modern inductor manufacturing. Temperature is a key factor in the production environment, and its control directly affects product quality and production efficiency. At present, temperature control system is gradually developing towards intelligence, and PLC programmable logic controller technology is increasingly widely used in industrial manufacturing, becoming an important direction for temperature control of inductor production lines.

[0003] The present invention combines PLC with touch screen to construct an intelligent temperature control system, which can achieve precise control and visual management of temperature. As a carrier of human-computer interaction, the touch screen can intuitively display temperature changes and provide functions such as parameter setting and real-time monitoring. PLC analyzes and processes temperature data through PID algorithm and receives data transmitted by the thermostat through RS485 communication port, thereby realizing automatic control. Summary of the invention

[0004] The purpose of the present invention is to provide a temperature control system for an inductor production line, and to provide a temperature control system for an inductor production line, with precise temperature control: a high-precision temperature sensor is used to ensure real-time and accurate acquisition of temperature data. Using a PID control algorithm, the temperature controller processes the temperature data in real time, and the operation is simple.

[0005] The invention provides a temperature control system for an inductor production line, comprising a PLC programmable logic controller part, a touch screen part, a temperature control part and a power switch part, wherein one side of the PLC programmable logic controller part is connected to the touch screen part through an RS-485 communication interface, one side of the PLC programmable logic controller part is connected to the temperature control part through the RS-485 communication interface, the power switch part is connected to the PLC programmable logic controller part, the touch screen part and the temperature control part, the temperature control part comprises a temperature controller, a temperature sensor, a solid-state relay and a heating and cooling device, one side of the temperature sensor is connected to the heating and cooling device, the other side of the temperature sensor is connected to the PLC programmable logic controller part through the temperature controller, and the PLC programmable logic controller part is connected to the heating and cooling device through the temperature controller and a fixed relay for feedback.

[0006] Preferably, the PLC programmable logic controller part is connected to the temperature controller via an RS-485 communication interface.

[0007] Preferably, one side of the temperature sensor is connected to the heating and cooling device, and the other side of the temperature sensor is connected to the PLC through the temperature controller, and the PLC is connected to the heating and cooling device through feedback through the temperature controller and a fixed relay.

[0008] Preferably, the PLC programmable logic controller part includes a temperature data acquisition module, a data processing module, and a control signal output module.

[0009] Preferably, the touch screen interface is divided into a temperature display module, a parameter setting module, a temperature change curve module, an alarm information module and an operation record module.

[0010] Preferably, the temperature sensor collects temperature data on the heating and cooling device. The temperature sensor adopts a PT100 temperature sensor. The temperature sensor outputs a current or voltage signal, which is converted into a digital signal by an A / D converter and transmitted to the PLC programmable logic controller part for processing. The heating and cooling device includes an electric heating tube and a fan, and the heating tube adopts a closed structure.

[0011] Therefore, the present invention adopts the above-mentioned temperature control system for an inductor production line, and the temperature control is precise: a high-precision temperature sensor is used to ensure real-time and accurate acquisition of temperature data. Using the PID control algorithm, the temperature controller processes the temperature data in real time, and the operation is simple: the touch screen provides an intuitive human-computer interaction interface, and automatically adjusts the heating and cooling equipment according to the preset temperature, reducing manual intervention, improving production efficiency, and reducing energy consumption.

[0012] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is an overall schematic diagram of a temperature control system of an inductor production line of the present invention;

[0014] Figure 2 A schematic diagram of a temperature controller for a temperature control system of an inductor production line according to the present invention;

[0015] Figure 3 A schematic diagram of a touch screen of a temperature control system of an inductance production line according to the present invention;

[0016] Figure 4 This is a schematic diagram of the temperature control main interface of a temperature control system for an inductor production line of the present invention;

[0017] Figure 5 This is a schematic diagram of the overall connection of a temperature control system for an inductor production line according to the present invention;

[0018] Figure 6 This is a schematic diagram of the overall connection of a temperature control system for an inductor production line according to the present invention;

[0019] Figure 7 This is a schematic diagram of the overall connection of a temperature control system for an inductor production line according to the present invention;

[0020] Figure 8 It is a schematic diagram of a temperature control system of an inductor production line of the present invention;

[0021] Fig. 9 The figure is a schematic diagram of the overall connection of a temperature control system of an inductor production line according to the present invention.

[0022] Reference numerals

[0023] 1. PLC programmable logic controller part; 2. Touch screen part; 3. Temperature control part; 31. Temperature controller; 32. Temperature sensor; 33. Solid-state relay; 34. Heating and cooling device; 341. Electric heating tube; 342. Fan; 4. Power switch part. DETAILED DESCRIPTION

[0024] The technical solution of the present invention is further described below through the accompanying drawings and embodiments.

[0025] Unless otherwise defined, technical or scientific terms used in the present invention shall have the common meanings understood by one having ordinary skills in the field to which the present invention belongs.

[0026] The words "first", "second" and similar terms used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. Words such as "include" or "comprises" and similar terms mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. Words such as "connect" or "connected" and similar terms are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may also change accordingly.

[0027] Embodiment 1

[0028] like Figure 1-Figure 9 As shown, the present invention provides an inductor production line temperature control system, comprising a PLC programmable logic controller part 1, a touch screen part 2, a temperature control part 3 and a power switch part 4, one side of the PLC programmable logic controller part 1 is connected to the touch screen part 2 via an RS-485 communication interface, one side of the PLC programmable logic controller part 1 is connected to the temperature control part 3 via an RS-485 communication interface, and the power switch part 4 is connected to the PLC programmable logic controller part 1, the touch screen part 2 and the temperature control part 3.

[0029] The temperature control part 3 includes a temperature controller 31, a temperature sensor 32, a solid-state relay 33 and a heating and cooling device 34. The PLC programmable logic controller part 1 is connected to the temperature controller 31 via an RS-485 communication interface.

[0030] The temperature sensor 32 collects temperature data on the heating and cooling device 34. The temperature sensor 32 adopts a PT100 temperature sensor, which has the characteristics of high precision and fast response, and can accurately reflect temperature changes.

[0031] The temperature sensor 32 outputs a current or voltage signal, which is converted into a digital signal by an A / D converter and transmitted to the PLC programmable logic controller part 1 for processing.

[0032] The temperature controller 31 collects the temperature data changes in the temperature sensor 32, and adjusts it in real time through the PID algorithm, and transmits the temperature data to the PLC programmable logic controller part 1 for processing. The temperature controller 31 adopts HKDN11NK1K temperature controller, which is connected to the PLC through the RS-485 interface, supports thermocouple and thermal resistance probe detection, and has PID fuzzy self-tuning function.

[0033] The PLC programmable logic controller part 1 and the touch screen part 2 are connected through the RS-485 communication interface. The touch screen part 2 adopts the Delta DOP-108IG touch screen to realize the human-computer interaction function. The touch screen part 2 has powerful graphics processing capabilities, strong interface visualization, and simple operation. It supports the MODBUS RTU communication protocol and is used to set temperature parameters, display real-time temperature data, and record temperature change curves.

[0034] The PLC programmable logic controller part receives the temperature signal from the temperature sensor 32 through the input port 1, and controls the operation of the heating and cooling device 34 through the temperature controller 31 and the solid-state relay 33.

[0035] The heating and cooling device 34 includes an electric heating tube 341 and a fan 342. The PLC programmable logic controller part 1 controls the start and stop of the heating tube 341 and the fan 342 through the solid-state relay 33 according to the temperature data fed back by the temperature sensor 32 to achieve temperature adjustment.

[0036] The power switch part 4 converts 220V AC power into DC power to supply power to the PLC programmable logic controller part 1, the touch screen part 2 and the temperature control part 3. The switching power supply part 4 adopts pulse width modulation technology to ensure stable power supply.

[0037] The PLC programmable logic controller part 1 includes temperature data acquisition, processing and control signal output modules.

[0038] Temperature data acquisition module: receives temperature data from the thermostat and performs real-time monitoring.

[0039] Data processing module: Calculate the control quantity through PID algorithm according to the preset temperature parameters.

[0040] Control signal output module: According to the calculation results, the start and stop of the heating tube and the fan are controlled through the output port.

[0041] The touch screen interface is divided into modules such as temperature display, parameter setting, temperature change curve, alarm information and operation record. Figures 4 to 8 Provides a picture introduction to each module.

[0042] Temperature display module: displays the temperature of each measuring point in real time for easy monitoring.

[0043] Parameter setting module: The operator can set the upper and lower temperature limits through the interface.

[0044] Temperature change curve module: records and displays the curve of temperature change over time, and supports historical data query.

[0045] Alarm information module: When the temperature exceeds the set range, the alarm is triggered and the alarm information is recorded.

[0046] Operation record module: records the operator's operations and their time for easy traceability and management.

[0047] Debugging process: Write and download the PLC control program, test the functions of each module through analog signals, and ensure the accuracy of temperature collection and control.

[0048] Set up the touch screen part 2 interface, debug various parameter settings and data display functions, and ensure that the interface is easy to operate and the display is clear.

[0049] Carry out overall system debugging, simulate the actual production environment, test the system's response speed and control accuracy, and optimize the control algorithm.

[0050] The temperature sensor 32 is used to analyze and monitor the temperature changes of the operating conditions in real time, and the detected temperature value is converted into a current signal, which is collected and fed back by the temperature controller 31. The actual temperature is compared with the required temperature with the help of the PID algorithm of the temperature controller 31. If there is deviation data, the PLC outputs a control-related signal to control the on and off of the contacts of the solid-state relay 33 to heat and cure or start the fan 342 to cool.

[0051] Temperature controller 31 adopts HKDN11NK1K temperature controller, supports thermocouple and thermal resistance probe detection, operating current 4-20mA, 0-5V voltage signal input. It has basic functions such as PID fuzzy self-tuning, upper and lower limit alarm, analog output, etc., can be used for control or data transmission

[10] , supports multiple signal input, and has RS485 communication port.

[0052] The touch screen part 2 system interface has buttons for displaying time and system running time at the top of the interface, which is convenient for recording running time and manual inspection. The function display scrolling screen, temperature value display and data related setting buttons are set at the upper left corner of the touch screen part 2 interface. After the system starts running, the scrolling screen starts to scroll and display the function of this module (temperature control). The temperature display buttons 1, 2 and 3 read the temperature value measured by the temperature sensor in real time. Click the temperature data related setting button to enter the next interface. The production line action module is set at the upper right corner of the interface, which are the start and stop of fan 342 and the start and stop of the conveyor belt. After clicking the start button, the button changes to the green running state. After clicking the stop button, it returns to the original state.

[0053] Therefore, the present invention adopts the above-mentioned temperature control system for an inductor production line, and the temperature control is precise: a high-precision temperature sensor is used to ensure real-time and accurate acquisition of temperature data. Using the PID control algorithm, the temperature controller processes the temperature data in real time, and the operation is simple: the touch screen provides an intuitive human-computer interaction interface, and automatically adjusts the heating and cooling equipment according to the preset temperature, reducing manual intervention, improving production efficiency, and reducing energy consumption.

[0054] The above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that they can still modify or replace the technical solution of the present invention with equivalents, and these modifications or equivalent replacements cannot cause the modified technical solution to deviate from the spirit and scope of the technical solution of the present invention.

Claims

1. An inductor production line temperature control system, characterized in that: It includes a PLC programmable logic controller part, a touch screen part, a temperature control part and a power switch part. One side of the PLC programmable logic controller part is connected to the touch screen part through an RS-485 communication interface, one side of the PLC programmable logic controller part is connected to the temperature control part through an RS-485 communication interface, the power switch part is connected to the PLC programmable logic controller part, the touch screen part and the temperature control part, the temperature control part includes a temperature controller, a temperature sensor, a solid-state relay and a heating and cooling device, one side of the temperature sensor is connected to the heating and cooling device, the other side of the temperature sensor is connected to the PLC programmable logic controller part through the temperature controller, and the PLC programmable logic controller part is connected to the heating and cooling device through the temperature controller and the fixed relay for feedback.

2. The temperature control system of an inductor production line according to claim 1, characterized in that: The PLC programmable logic controller part is connected to the temperature controller via the RS-485 communication interface.

3. The temperature control system of an inductor production line according to claim 1, characterized in that: The PLC programmable logic controller part includes a temperature data acquisition module, a data processing module, and a control signal output module.

4. The temperature control system of an inductor production line according to claim 1, characterized in that: The touch screen interface is divided into a temperature display module, a parameter setting module, a temperature change curve module, an alarm information module and an operation record module.

5. The temperature control system of an inductor production line according to claim 1, characterized in that: The temperature sensor collects temperature data on the heating and cooling device. The temperature sensor adopts PT100 temperature sensor. The temperature sensor outputs current or voltage signal, which is converted into digital signal by A / D converter and transmitted to PLC programmable logic controller for processing. The heating and cooling device includes electric heating tube and fan, and the heating tube adopts closed structure.

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