Tread extrusion cooling water tank water temperature control method, system and electronic equipment

Abstract

This invention provides a method, system, and electronic device for controlling the water temperature of a cooling water tank in tire tread extrusion. The system includes a cooling water tank control system connected to a MES (Manufacturing Execution System) communication network. The method comprises: acquiring real-time temperature data collected by temperature sensors deployed at multiple preset locations within the cooling water tank; generating a water change control command based on the temperature data and preset water change trigger rules; and controlling the opening and closing states of inlet and outlet valves connected to the cooling water tank according to the water change control command to execute the water change operation. This method achieves accurate monitoring of the water tank temperature field, overcomes the shortcomings of discontinuous and incomplete manual measurement data, can promptly detect local hot spots, provides a data foundation for precise control, realizes intelligent decision-making and automated control for on-demand water change, significantly reduces production downtime, improves overall equipment efficiency, and achieves data-driven quality control and full traceability of the product cooling process.

Description

Technical Field

[0001] This invention relates to the field of tread extrusion cooling water tank temperature control technology, specifically to a tread extrusion cooling water tank temperature control method, system, and electronic equipment. Background Technology

[0002] Tread extrusion is a critical step in tire production. The extruded tread is at a high temperature and must be thoroughly cooled in a cooling water tank to ensure dimensional stability and prevent later vulcanization deformation. These cooling water tanks are typically tens of meters long. The tread exchanges heat with the cooling water within the tank through immersion or spraying. Water temperature is a key process parameter affecting cooling efficiency. Excessively high water temperatures can lead to insufficient cooling and internal stress, while uneven water temperature distribution can cause inconsistent cooling rates in different sections of the tread, affecting product quality consistency.

[0003] Currently, tire manufacturers primarily rely on manual operation to control the temperature of cooling water tanks, which presents numerous technical shortcomings. In traditional production methods, operators periodically measure the cooling water temperature at fixed points within the tank using mercury or digital thermometers, recording the results on paper forms. This monitoring method suffers from low measurement frequency, discontinuous data, and an inability to reflect real-time dynamic temperature changes. Furthermore, single-point measurements are insufficient to characterize the temperature gradient distribution along the length of the tank, making it difficult to effectively monitor longitudinal temperature differences—such as lower temperatures near the inlet and higher temperatures near the outlet—and hindering the timely detection of localized hotspots. Additionally, manual measurements are susceptible to human error due to operator skill levels, leading to variations in measurement location and timing, thus compromising data reliability. When the water temperature exceeds the process requirements, the cooling water tank needs to be changed. Current technologies typically employ either fixed-cycle forced water changes or rely on operator experience to determine the timing. Fixed-cycle water changes fail to consider actual production load, ambient temperature, and other influencing factors. Premature water changes when the water temperature still meets process requirements lead to water and energy waste. Experience-based water changes are often delayed, and by the time the excessive water temperature is detected, a large number of poorly cooled tire treads have already been produced. Furthermore, current technologies cannot provide real-time cooling water tank temperature data from the control room, making it difficult to detect and address abnormal temperatures immediately. When excessive water temperature causes tire cooling quality problems, these issues are often only discovered in subsequent processes or during finished product inspection, by which time defective products have already been produced, resulting in wasted raw materials and energy. Traditional water changes require manual valve operation, typically necessitating production line shutdown and waiting until the water change is complete. This process is time-consuming and cumbersome, reducing overall equipment efficiency and posing risks of operational errors, such as forgetting to open the inlet valve after draining or leaving the valve partially closed, leading to water waste. Therefore, the existing cooling water tank temperature control methods have problems such as monitoring lag and impact on production. There is an urgent need for an intelligent control solution that can achieve real-time water temperature monitoring, intelligent decision-making, automatic water replacement, and deep integration with the production management system.

[0004] Therefore, existing technologies still need further development. Summary of the Invention

[0005] The purpose of this invention is to overcome the above-mentioned technical deficiencies and provide a method, system and electronic device for controlling the water temperature of the tread extrusion cooling water tank, so as to solve the problems existing in the prior art.

[0006] To achieve the above-mentioned technical objectives, according to a first aspect of the present invention, the present invention provides a method for controlling the water temperature of a tread extrusion cooling water tank, applied to a cooling water tank control system communicatively connected to a MES system, the method comprising: S100: Acquire temperature data in real time from temperature sensors deployed at multiple preset locations within the cooling water tank; S200. Based on the temperature data and the preset water change triggering rules, generate a water change control command; S300. According to the water exchange control command, control the opening and closing states of the inlet valve and the outlet valve connected to the cooling water tank to perform the water exchange operation.

[0007] Specifically, the plurality of preset locations include at least the inlet area, the central hot spot area, and the outlet area of ​​the cooling water tank.

[0008] Specifically, the preset water change trigger rules include: When the temperature data collected by any of the temperature sensors exceeds a first temperature threshold and the duration reaches a first time, a water change condition is triggered; or If, within a preset second time period, the cumulative time for which the temperature data collected by any of the temperature sensors exceeds the second temperature threshold reaches a third time period, the water replacement condition is triggered.

[0009] Specifically, the method further includes: When the temperature data exceeds the first warning threshold but does not reach the first temperature threshold, a warning message is generated and sent to the MES system dashboard for display. When the temperature data exceeds the second warning threshold but does not reach the first temperature threshold, an audible and visual alarm signal is generated, and an alarm notification is sent to a preset terminal. The first warning threshold is less than the second warning threshold.

[0010] Specifically, the method for controlling the opening and closing states of the inlet valve and the drain valve connected to the cooling water tank includes: Control the drain valve to open until the water level sensor detects that the water level has dropped to a preset low threshold, then control the drain valve to close. The water inlet valve is opened until the water level sensor detects that the water level has risen to a preset high threshold and the temperature data collected by the temperature sensor is within the preset temperature range. Then the water inlet valve is closed, and the water replacement operation is completed.

[0011] Specifically, after controlling the opening of the drain valve, the method further includes: Send a speed reduction command to the extruder control system to control the extruder to reduce its operating speed from the first operating speed to the second operating speed; After the water change operation is completed, a recovery command is sent to the extruder control system to control the extruder to return to the first operating speed.

[0012] Specifically, the method further includes: The temperature data and water change operation records are sent to the MES system in real time. The MES system associates and stores the received temperature data and water change operation records with the current tire tread information, and displays the temperature field distribution image of the cooling water tank and water change status information in real time on the MES dashboard.

[0013] Specifically, the method by which the MES system associates and stores the received temperature data and water change operation records with the currently produced tire tread information includes: Obtain the barcode information and production time period information of the current tire tread being produced; The temperature data and water change operation records during the production period are packaged, bound to the barcode information of the tire tread, and stored in the production history data package of the tire tread to support subsequent reverse tracing of the cooling process water temperature curve through the tire tread barcode.

[0014] According to a second aspect of the present invention, a tread extrusion cooling water tank temperature control system is provided, comprising: Acquisition module: Used to acquire real-time temperature data collected by temperature sensors deployed at multiple preset locations within the cooling water tank; Control module: used to generate water exchange control instructions based on the temperature data and preset water exchange trigger rules; and used to control the opening and closing states of the inlet valve and the outlet valve connected to the cooling water tank according to the water exchange control instructions, so as to perform water exchange operation.

[0015] According to a third aspect of the present invention, an electronic device is provided, comprising: a memory; and a processor, wherein the memory stores computer-readable instructions, which, when executed by the processor, implement the above-described method for controlling the water temperature of the tire tread extrusion cooling water tank.

[0016] Beneficial effects: This invention provides a method and system for controlling the water temperature of a cooling water tank in tire tread extrusion. By deploying temperature sensors at multiple preset locations in the cooling water tank and acquiring temperature data in real time, accurate monitoring of the water tank temperature field is achieved. This overcomes the shortcomings of discontinuous and incomplete data from manual measurements, enabling timely detection of local hot spots and providing a data foundation for precise control. Water change commands are automatically generated and valves are controlled according to preset water change trigger rules, achieving intelligent decision-making and automated control for on-demand water changes. This avoids resource waste caused by fixed-cycle water changes. By linking the extruder control system to reduce speed instead of stopping during water changes and automatically restoring speed after water changes, production downtime is significantly reduced, and overall equipment efficiency is improved. By deeply integrating temperature data and water change records with the MES system and associating this information with specific tire tread production information to form a production history data package, the quality data of the product cooling process is digitized and fully traceable. Attached Figure Description

[0017] Figure 1 This is a flowchart of the method for controlling the water temperature of the tire tread extrusion cooling water tank provided in a specific embodiment of the present invention; Figure 2 This is a schematic diagram of the system composition of the tire tread extrusion cooling water tank temperature control system provided in a specific embodiment of the present invention; Figure 3 This is a flowchart illustrating the implementation process of the method for controlling the water temperature of the tire tread extrusion cooling water tank provided in a specific embodiment of the present invention. Detailed Implementation

[0018] To enable those skilled in the art to better understand the technical solutions of the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. Based on the embodiments in this application, other similar embodiments obtained by those skilled in the art without creative effort should all fall within the scope of protection of this application. Furthermore, directional terms mentioned in the following embodiments, such as "up," "down," "left," and "right," are only for reference to the directions in the accompanying drawings; therefore, the directional terms used are for illustrative purposes and not for limiting the invention.

[0019] Before providing a further detailed description of the embodiments of this application, the nouns and terms involved in the embodiments of this application will be explained, and the nouns and terms involved in the embodiments of this application shall be interpreted as follows.

[0020] (1) MES system: refers to the production information management system at the factory workshop level, which is used to monitor and manage the entire production process from order placement to product completion. In this invention, it is connected to the cooling water tank control system to receive, display, and store water temperature data, and to realize the correlation and traceability of data with production tire tread information.

[0021] (2) Water change triggering rules: refers to the preset logical conditions used to determine whether water change operation needs to be performed. These rules can be based on the instantaneous temperature value, duration, or cumulative time exceeding the standard within a specific time window. By setting reasonable rules, water change can be achieved on demand, avoiding the waste of resources caused by traditional fixed-cycle water change or the quality risks caused by water change based on experience.

[0022] (3) Production history data package: refers to a data structure used to bind and store various process parameter data generated during the production process of a specific product with its unique identifier, so as to achieve full traceability of quality. When quality problems occur, the key parameters in the production process can be quickly retrieved through the data package, providing data support for problem analysis and process improvement.

[0023] (4) Hot spot area in the middle: refers to the local high temperature area in the long strip of cooling water tank where the high temperature of the freshly extruded tire tread continuously releases heat and the heat accumulates in the water flow. This area is usually located in the middle or rear section of the water tank and has a significantly higher temperature than other areas. The temperature of this area is a key indicator for measuring the heat dissipation capacity of the cooling system and the water temperature control effect. It is also one of the key areas monitored in this invention.

[0024] The present invention will be further described below with reference to the accompanying drawings and preferred embodiments.

[0025] Example 1 Please see Figure 1 This embodiment provides a method for controlling the water temperature of a tread extrusion cooling water tank, applied to a cooling water tank control system that is connected to a MES system. The method includes: first, acquiring real-time temperature data collected by temperature sensors deployed at multiple preset locations within the cooling water tank; then, generating a water replacement control command based on the temperature data and preset water replacement trigger rules; and finally, controlling the opening and closing states of the inlet valve and the outlet valve connected to the cooling water tank according to the water replacement control command to perform the water replacement operation.

[0026] Understandably, the above technical solution solves the problems of data lag, unscientific water change decision-making, and lack of effective traceability caused by reliance on manual monitoring in the existing technology. The core of the solution is to build an automated closed-loop control system. This system is applied to the cooling water tank control system that is connected to the MES system. It can sense water temperature changes in real time and automatically perform water change operations according to preset intelligent rules, thereby ensuring the stability and uniformity of tire tread cooling quality.

[0027] See Figure 1 The specific implementation process of the tread extrusion cooling water tank temperature control method in this embodiment is as follows: S100: Acquire temperature data in real time from temperature sensors deployed at multiple preset locations within the cooling water tank; Furthermore, in a preferred embodiment, the plurality of preset locations include at least the inlet area, the central hot spot area, and the outlet area of ​​the cooling water tank. Specifically, a temperature sensor can be placed near the location where new cooling water enters, a temperature sensor can be placed in the central hot spot area where heat is most easily accumulated in the middle of the tire's movement path, and a temperature sensor can be placed in the outlet area where the tire tread is about to leave the water tank. The design principle of this layout is that it can comprehensively capture the temperature gradient distribution along the length of the water tank. The inlet temperature reflects the replenishment water temperature, the outlet temperature reflects the water temperature after overall heat exchange, and the temperature of the central hot spot area represents the highest temperature in the water tank, which is the most critical parameter affecting the cooling effect. By monitoring these three key areas, the temperature field state of the entire water tank can be accurately grasped, solving the problem that traditional single-point measurement cannot detect local high-temperature points, and providing more comprehensive data for precise control.

[0028] S200. Based on the temperature data and the preset water change triggering rules, generate a water change control command; In this embodiment, the preset water change triggering rules include: triggering water change conditions when the temperature data collected by any of the temperature sensors exceeds a first temperature threshold and the duration reaches a first duration; or, triggering water change conditions when the cumulative time for the temperature data collected by any of the temperature sensors to exceed the second temperature threshold reaches a third duration within a preset second duration.

[0029] It should be noted that the aforementioned preset water change trigger rules have been specifically designed, which can include two parallel judgment logics. The first logic is: when the temperature data collected by any of the temperature sensors, such as the temperature sensor in the central hot spot area, exceeds a first temperature threshold, for example, 40°C, and the duration reaches a first duration, for example, 3 minutes, the water change condition is triggered. The second logic is: when the temperature data collected by any of the temperature sensors exceeds the second temperature threshold, for example, 38°C, for a cumulative period of a preset second duration, such as one production shift or 24 hours, and the cumulative time reaches a third duration, for example, a cumulative period of 2 hours, the water change condition is also triggered. This dual-rule design aims to cope with different temperature rise scenarios. The first rule is used to handle acute and rapid temperature exceedances caused by sudden increases in production load, ensuring a rapid response. The second rule is used to handle slow and continuous heat accumulation, preventing the water temperature from remaining at a critical high temperature for a long time and affecting product quality. Through this combination, the intelligence and robustness of the water change decision are greatly improved, and refined management of water temperature is achieved.

[0030] In this embodiment, the method further includes: when the temperature data exceeds a first warning threshold but does not reach the first temperature threshold, generating a warning message and sending it to the MES system dashboard for display; when the temperature data exceeds a second warning threshold but does not reach the first temperature threshold, generating an audible and visual alarm signal and sending an alarm notification to a preset terminal; the first warning threshold is less than the second warning threshold.

[0031] Furthermore, it should be noted that, in order to achieve more refined process management, the system also sets up a tiered early warning and alarm mechanism before triggering water replacement. Specifically, when the temperature data exceeds a lower first early warning threshold, such as 35°C, but has not yet reached the first temperature threshold (40°C), the system will execute steps to generate an early warning message and send it to the MES system dashboard for display, for example, displaying the water temperature data on the dashboard in yellow. When the temperature continues to rise and exceeds a higher second early warning threshold, such as 38°C, but still has not reached the first temperature threshold (40°C), the system will execute steps to generate an audible and visual alarm signal and send an alarm notification via the network to the preset terminal (such as a mobile APP or SMS) of the workshop supervisor or equipment maintenance personnel. The first early warning threshold is lower than the second early warning threshold. The purpose of this tiered response mechanism is to prevent problems before they occur. The early warning information allows operators to pay attention to the water temperature change trend in advance, while the alarm indicates that immediate intervention is required. Through this progressive management of early warning-alarm-automatic water replacement, the risk of batch defective products caused by water temperature runaway is effectively reduced.

[0032] S300. According to the water exchange control command, control the opening and closing states of the inlet valve and the outlet valve connected to the cooling water tank to perform the water exchange operation.

[0033] In a preferred embodiment, the method for controlling the opening and closing states of the inlet valve and the drain valve connected to the cooling water tank is as follows: The drain valve is opened until the water level sensor detects that the water level has dropped to a preset low threshold, at which point the drain valve is closed. Then, the inlet valve is opened until the water level sensor detects that the water level has risen to a preset high threshold, and the temperature data collected by the temperature sensor is within a preset temperature range, at which point the inlet valve is closed, and the water exchange operation is completed.

[0034] It should be noted that the specific process of performing the water change operation has been optimized, such as... Figure 3In step 108 of the water change operation, the process is no longer a simple simultaneous opening and closing of valves, but rather a precise sequence control. First, the drain valve is opened to discharge the hot old water. During this process, a water level sensor installed in the cooling water tank monitors the water level changes in real time. When the water level sensor detects that the water level has dropped to a preset low threshold, the controller immediately closes the drain valve. Subsequently, the controller opens the inlet valve to inject new low-temperature cooling water. Similarly, the water level sensor continues to monitor the water level until it detects that the water level has risen to a preset high threshold, and all temperature data collected by the temperature sensors have returned to the preset normal temperature range, such as below 28°C. Only then does the controller close the inlet valve, marking the completion of a complete water change operation. This control logic based on dual confirmation of water level and temperature ensures that each water change is thorough and effective, avoiding problems that may occur in traditional operations, such as incomplete drainage, overflow of replenishment water, or the temperature still not meeting the standard after mixing of old and new water. It achieves precise closed-loop control of the water change process.

[0035] Preferably, after the drain valve is opened, a speed reduction command is sent to the extruder control system to control the extruder to reduce its operating speed from the first operating speed to the second operating speed; after the water change operation is completed, a recovery command is sent to the extruder control system to control the extruder to return to the first operating speed.

[0036] It should be noted that, in order to minimize the impact of water change operations on production continuity, this embodiment also introduces linkage control with upstream equipment. Specifically, after the drain valve is opened but before drainage begins, the control system sends a deceleration command to the extruder control system. This command reduces the extruder from its normal first operating speed, such as 100 m / min, to a slower second operating speed, such as 80 m / min. After the entire water change operation is completed, i.e., after the inlet valve is closed, the control system sends a recovery command to the extruder control system to restore it to the first operating speed. This strategy of decelerating operation rather than completely shutting down ensures production continuity and avoids material waste and time loss caused by stopping and restarting, thereby greatly improving the overall efficiency of the equipment.

[0037] In another preferred embodiment, the method further includes: sending the temperature data and water change operation records to the MES system in real time; the MES system associates and stores the received temperature data and water change operation records with the currently produced tire tread information, and displays the temperature field distribution image of the cooling water tank and water change status information on the MES dashboard in real time.

[0038] It should be noted that this embodiment emphasizes deep data integration with the factory's MES system. The control system not only executes control logic locally, but also sends all collected temperature data and records of each water change operation, such as trigger time, end time, and water change duration, to the MES system in real time via industrial Ethernet. After receiving this data, the MES system performs a key action: associating and storing this data with the tread information currently being produced. At the same time, the MES system uses this real-time data to dynamically display the temperature field distribution image of the cooling water tank on its dashboard interface, such as a schematic diagram using color gradients to represent temperature, as well as real-time water change status information. The purpose of this is to transform the originally isolated equipment status information into globally transparent production process data, so that managers in the central control room can have a clear view of the cooling process status, realizing visualized management of the production process.

[0039] Furthermore, in this embodiment, the method for the MES system to associate and store the received temperature data and water change operation records with the currently produced tire tread information specifically includes: obtaining the barcode information and production time period information of the currently produced tire tread; packaging the temperature data and water change operation records within the production time period, binding them with the barcode information of the tire tread, and storing them in the production history data package of the tire tread, so as to support subsequent reverse tracing of the cooling process water temperature curve through the tire tread barcode.

[0040] Understandably, to achieve the crucial quality traceability function, when the MES system needs to perform data association, it first obtains the unique identifier of the currently produced tire tread—the barcode information—from the production plan or scanning equipment, along with the production time period information of the tire tread flowing through the cooling water tank, for example, from 14:30:05 to 14:35:10. Then, the MES system packages all temperature data uploaded by the cooling water tank control system within this precise time period, along with records of water change operations that occurred during this period, into a single data set. Finally, this data set is strictly bound to the barcode information of the tire tread and stored as a whole in the tire tread's production history data package. This establishes a data traceability chain from finished product to the production process. By simply scanning the barcode of this batch of tire treads, one can immediately trace back and retrieve its complete water temperature change curve and all related events during the cooling process, providing direct data support for quality analysis.

[0041] In one alternative implementation, please refer to Figure 3 This illustrates the specific implementation process of the tread extrusion cooling water tank temperature control method in one embodiment of the present invention: The process starts from the start box. In step 101, the system acquires real-time temperature data collected by temperature sensors deployed at multiple preset locations in the cooling water tank. After acquiring the data, in step 102, the system checks whether the temperature exceeds the first temperature threshold; if it does not exceed the threshold, it returns to step 101 to continue monitoring. If the level is exceeded, the process proceeds to step 103 to determine whether it is a warning, an alarm, or a water change is required. If it is a warning level, the process proceeds to step 104 to generate a warning message and send it to the MES. If it is an alarm level, the process proceeds to step 105 to generate an audible and visual alarm and send a notification. In both cases, the process then returns to step 101 to continue monitoring. If the system is determined to be at the water change level, the process proceeds to step 106 to determine if the preset water change trigger rules are met. If not, it returns to step 101. If the rules are met, a water change control command is generated in step 107, and the water change operation in step 108 is executed. After the water change operation is completed, the entire process can end (step 117) or return to continue monitoring. This automated process replaces tedious and error-prone manual operations, achieving closed-loop control of the cooling water tank temperature and significantly improving the automation level and operational reliability of the production line.

[0042] It should be noted that this embodiment provides a method for controlling the water temperature of the cooling water tank in tire tread extrusion. By deploying temperature sensors at multiple preset locations in the cooling water tank and acquiring temperature data in real time, accurate monitoring of the water tank temperature field is achieved. This overcomes the shortcomings of discontinuous and incomplete data from manual measurements, enabling timely detection of local hot spots and providing a data foundation for precise control. Water change commands are automatically generated and valves are controlled to execute them through preset water change trigger rules, achieving intelligent decision-making and automated control for on-demand water changes. This avoids resource waste caused by fixed-cycle water changes. By linking the extruder control system to reduce speed instead of stopping during water changes and automatically restoring speed after water changes are completed, production downtime is significantly reduced, and overall equipment efficiency is improved. By deeply integrating temperature data and water change records with the MES system and associating this information with specific tire tread production information to form a production history data package, the quality data of the product cooling process is digitized and fully traceable.

[0043] Example 2 Please see Figure 2This embodiment provides a tread extrusion cooling water tank temperature control system. This system is the physical embodiment of the aforementioned method. Hardware-wise, it includes multiple temperature sensors deployed within the cooling water tank, a water level sensor, and inlet and outlet valves connected to the water tank piping. The core of this tread extrusion cooling water tank temperature control system is a local controller, such as a programmable logic controller (PLC). Logically, the system includes an acquisition module 100 and a control module 200. The acquisition module 100, typically implemented by a data acquisition program within the local controller, continuously reads and acquires real-time temperature data collected by temperature sensors deployed at multiple preset locations within the cooling water tank. The control module 200 is also implemented in the local controller. On the one hand, its internal logic judgment program generates water replacement control instructions based on the acquired temperature data and preset water replacement trigger rules. On the other hand, its output control program precisely controls the opening and closing status of the inlet valve and outlet valve connected to the cooling water tank according to the generated water replacement control instructions, so as to automatically execute the water replacement operation. The acquisition module 100 and the control module 200 work together to form a complete automated closed loop of perception-decision-execution.

[0044] The working principle of this embodiment will be further illustrated below through a specific product example: In a practical deployment scenario, the cooling water tank is a stainless steel tank 20 meters long, 1.5 meters wide, and 1 meter deep. The system is equipped with three PT100 platinum resistance temperature sensors with a measurement accuracy of ±0.1℃. The temperature sensors are installed 5 meters below the water inlet, 10 meters at the midpoint of the tank, and 2 meters in front of the water outlet, submerged 0.5 meters below the water surface. The water level sensor is a 2-meter range ultrasonic level gauge, installed on the top of the side wall of the tank. Both the inlet and outlet valves are DN50 pneumatic ball valves with a response time of less than 1 second. The core control components of the system... The local controller uses a programmable logic controller (such as a Siemens S7-1200 series PLC). This PLC connects to three temperature sensors and an ultrasonic level gauge through its analog input module, and controls the solenoid valve that drives the pneumatic valve through its digital output module. At the same time, the PLC connects to the switch in the factory workshop through its integrated Profinet industrial Ethernet interface, and finally communicates with the MES server running in the data center in real time. The MES system dashboard has a dedicated monitoring interface that can display the real-time temperature field of the water tank in the form of dynamic curves and color cloud maps.

[0045] After the system starts, normal production begins. The extruder extrudes the tire tread at a first operating speed of 100 meters per minute. The initial water temperature in the cooling water tank is 30°C, and the water temperature display on the MES dashboard is green, indicating normal operation. As production progresses, the temperature sensor reading in the central hot spot area gradually rises. When the reading reaches 36°C, it exceeds the first warning threshold of 35°C. The local controller sends this status information to the MES system, and the corresponding area on the MES dashboard changes color from green to yellow, issuing a warning to the operator. The temperature continues to climb. At the 50-minute mark of production, the temperature sensor reading reaches 41°C, exceeding the set first temperature threshold of 40°C. The controller starts timing. When the temperature remains above 40°C for a first duration of 3 minutes, the water replacement condition is triggered, and the controller immediately starts the automatic water replacement program. First, it sends a speed reduction command to the extruder control system via the network, reducing the extruder speed to a second operating speed of 80 meters per minute. Next, the controller outputs a signal to open the drain valve. Once the water level sensor detects that the water level has dropped from a high of 1 meter to a low threshold of 0.2 meters, the controller closes the drain valve and immediately opens the inlet valve, allowing new cooling water to be injected. When the water level sensor again detects that the water level has reached the high threshold of 0.95 meters, and all three temperature sensors' readings are below the preset temperature range of 28°C, the controller closes the inlet valve and sends a speed recovery command to the extruder, restoring it to 100 meters per minute. Simultaneously, the MES system binds all temperature data, warning events, and water change start and end times from the entire period from the triggering of the warning to the completion of the water change (e.g., from 14:30:00 to 14:45:12) with the barcode information of the currently producing batch of tire treads, packaging it into a production history data package and storing it in the quality database. The implementation process of the above example has achieved a comprehensive upgrade from passive monitoring to proactive early warning, from human experience-based decision-making to intelligent rule-driven decision-making, from line stoppage for water replacement to reduced-speed continuous production, and from information silos to full-process data traceability.

[0046] It should be noted that this embodiment provides a tread extrusion cooling water tank temperature control system, including an acquisition module 100 and a control module 200. By constructing a closed-loop control architecture of data acquisition-intelligent decision-making-automatic execution, it solves the technical problems of existing tread cooling water tanks that rely on manual monitoring, such as data lag and bias, rough water change decision-making, and operational impact on production. It achieves real-time, multi-point accurate monitoring of the water tank temperature field, overcoming the shortcomings of manual single-point temperature measurement that cannot reflect longitudinal temperature gradients and local hot spots. Based on real-time temperature data and a preset water change triggering rule, the intelligent decision-making mechanism transforms the water change operation from traditional manual experience judgment or fixed cycle mode to on-demand automatic triggering, effectively avoiding the waste of water resources and energy. By automatically controlling the opening and closing states of the inlet and outlet valves to execute the water change operation, it eliminates the inefficiency and error risk caused by manual operation, and improves the stability and consistency of tread cooling quality.

[0047] Example 3 In a preferred embodiment, this application also provides an electronic device, the electronic device comprising: The computer device includes a memory and a processor. The memory stores computer-readable instructions that, when executed by the processor, implement the described method for controlling the temperature of the tire tread extrusion cooling water tank. This computer device can be broadly categorized as a server, terminal, or any other electronic device with the necessary computing and / or processing capabilities. In one embodiment, the computer device may include a processor, memory, network interface, communication interface, etc., connected via a system bus. The processor of the computer device can be used to provide the necessary computing, processing, and / or control capabilities. The memory of the computer device may include a non-volatile storage medium and internal memory. The non-volatile storage medium may store an operating system, computer programs, etc. The internal memory can provide an environment for the operation of the operating system and computer programs in the non-volatile storage medium. The network interface and communication interface of the computer device can be used to connect and communicate with external devices via a network. When the computer program is executed by the processor, it performs the steps of the method of the present invention.

[0048] This invention can be implemented as a computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, causes the steps of the methods of embodiments of the invention to be performed. In one embodiment, the computer program is distributed across multiple network-coupled computer devices or processors, such that the computer program is stored, accessed, and executed in a distributed manner by one or more computer devices or processors. A single method step / operation, or two or more method steps / operations, may be executed by a single computer device or processor or by two or more computer devices or processors. One or more method steps / operations may be executed by one or more computer devices or processors, and one or more other method steps / operations may be executed by one or more other computer devices or processors. One or more computer devices or processors may execute a single method step / operation, or execute two or more method steps / operations.

[0049] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0050] The technical features described above can be combined arbitrarily. Although not all possible combinations of these technical features are described, any combination of these technical features should be considered to be covered by this specification, provided that such combination does not contain contradictions.

[0051] The specific embodiments of the present invention described above do not constitute a limitation on the scope of protection of the present invention. Any other corresponding changes and modifications made in accordance with the technical concept of the present invention should be included within the scope of protection of the claims of the present invention.

Claims

1. A method of controlling water temperature in a tread extrusion cooling water tank, characterized by, The method, applied to a cooling water tank control system communicating with an MES system, includes: S100: Acquire temperature data in real time from temperature sensors deployed at multiple preset locations within the cooling water tank; S200. Based on the temperature data and the preset water change triggering rules, generate a water change control command; S300. According to the water exchange control command, control the opening and closing states of the inlet valve and the outlet valve connected to the cooling water tank to perform the water exchange operation.

2. The tread extrusion cooling tank water temperature control method of claim 1 wherein, The plurality of preset locations include at least the inlet area, the central hot spot area, and the outlet area of ​​the cooling water tank.

3. The tread extrusion cooling tank water temperature control method of claim 1 wherein, The preset water change trigger rules include: When the temperature data collected by any of the temperature sensors exceeds a first temperature threshold and the duration reaches a first time duration, a water change condition is triggered; or... If, within a preset second time period, the cumulative time for which the temperature data collected by any of the temperature sensors exceeds the second temperature threshold reaches a third time period, the water replacement condition is triggered.

4. The method for controlling the water temperature of the tread extrusion cooling water tank according to claim 3, characterized in that, The method further includes: When the temperature data exceeds the first warning threshold but does not reach the first temperature threshold, a warning message is generated and sent to the MES system dashboard for display. When the temperature data exceeds the second warning threshold but does not reach the first temperature threshold, an audible and visual alarm signal is generated, and an alarm notification is sent to a preset terminal. The first warning threshold is less than the second warning threshold.

5. The method for controlling the water temperature of the tread extrusion cooling water tank according to claim 1, characterized in that, The method for controlling the opening and closing states of the inlet valve and the drain valve connected to the cooling water tank includes: Control the drain valve to open until the water level sensor detects that the water level has dropped to a preset low threshold, then control the drain valve to close. The water inlet valve is opened until the water level sensor detects that the water level has risen to a preset high threshold and the temperature data collected by the temperature sensor is within the preset temperature range. Then the water inlet valve is closed, and the water replacement operation is completed.

6. The method for controlling the water temperature of the tread extrusion cooling water tank according to claim 5, characterized in that, After the drain valve is opened, the method further includes: Send a speed reduction command to the extruder control system to control the extruder to reduce its operating speed from the first operating speed to the second operating speed; After the water change operation is completed, a recovery command is sent to the extruder control system to control the extruder to return to the first operating speed.

7. The method for controlling the water temperature of the tread extrusion cooling water tank according to claim 1, characterized in that, The method further includes: The temperature data and water change operation records are sent to the MES system in real time. The MES system associates and stores the received temperature data and water change operation records with the current tire tread information, and displays the temperature field distribution image of the cooling water tank and water change status information in real time on the MES dashboard.

8. The method for controlling the water temperature of the tread extrusion cooling water tank according to claim 7, characterized in that, The method by which the MES system associates and stores received temperature data and water change operation records with the currently produced tire tread information specifically includes: Obtain the barcode information and production time period information of the current tire tread being produced; The temperature data and water change operation records during the production period are packaged, bound to the barcode information of the tire tread, and stored in the production history data package of the tire tread to support subsequent reverse tracing of the cooling process water temperature curve through the tire tread barcode.

9. A water temperature control system for a tire tread extrusion cooling water tank, characterized in that, The system for controlling the water temperature of the tread extrusion cooling water tank according to any one of claims 1 to 7 includes: Acquisition module: Used to acquire real-time temperature data collected by temperature sensors deployed at multiple preset locations within the cooling water tank; Control module: used to generate water exchange control instructions based on the temperature data and preset water exchange trigger rules; and used to control the opening and closing states of the inlet valve and the outlet valve connected to the cooling water tank according to the water exchange control instructions, so as to perform water exchange operation.

10. An electronic device, characterized in that, include: Memory; The processor, wherein the memory stores computer-readable instructions that, when executed by the processor, implement the tread extrusion cooling water tank temperature control method according to any one of claims 1 to 8.

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