Remote monitoring system for polymer polyvinyl chloride pipe mixing device based on Internet of Things

Abstract

This invention discloses a remote monitoring system for a polymer polyvinyl chloride (PVC) pipe mixing device based on the Internet of Things (IoT), relating to the field of mixing device technology. The system includes: a mixing device comprising several independent heating zones; a temperature monitoring module for measuring the temperature of the PVC component material within each heating zone; a heating control module for heating the heating zones; a material monitoring module for measuring the initial temperature and flow rate of the PVC component material; and a central control module for calculating the heating temperature of subsequent heating zones based on the real-time temperature of the PVC component material passing through each heating zone, and outputting control signals to the heating control module to heat each heating zone. The advantages of this invention are: comprehensive temperature monitoring of the entire mixing device is achieved through the IoT, ensuring the mixing effect of the PVC component material in the mixing device and improving the extrusion molding yield.

Description

Technical Field

[0001] The invention relates to the technical field of mixing devices, and in particular to a remote monitoring system for a polymer polyvinyl chloride pipe mixing device based on the Internet of Things. Background Art

[0002] Polyvinyl chloride pipes are made of polyvinyl chloride resin mixed with stabilizers, lubricants and other materials and then extruded by hot pressing. They are the earliest plastic pipes developed and applied. Polyvinyl chloride pipes have strong corrosion resistance, are easy to bond, are low in price, and have a hard texture. They are widely used in drainage, wastewater, chemicals, heating and cooling liquids, food, ultra-pure liquids, mud, gas, compressed air and vacuum systems.

[0003] In the mixing process of high molecular weight polyvinyl chloride pipes, temperature is a critical process parameter. Low mixing temperature will lead to uneven mixing and uneven performance of extruded pipes. High mixing temperature will cause defects such as surface stretching, burrs, and turbidity in extruded pipes. The existing temperature control method is to adopt an intelligent temperature control system, that is, to realize intelligent control of plastic processing by using sensors, controllers, actuators and other equipment to perform real-time temperature monitoring and adjustment. This method can only realize single feedback adjustment for a single area, lacks comprehensive temperature monitoring of the entire area of ​​the mixing device, and is difficult to achieve comprehensive monitoring and adjustment of the mixing device. Summary of the invention

[0004] In order to solve the above technical problems, a remote monitoring system for a polymer polyvinyl chloride pipe mixing device based on the Internet of Things is provided. This technical solution solves the problem that the above-mentioned prior art lacks comprehensive temperature monitoring of the entire area of ​​the mixing device, making it difficult to achieve comprehensive monitoring and adjustment of the mixing device.

[0005] In order to achieve the above purpose, the technical solution adopted by the present invention is:

[0006] A remote monitoring system for a polymer polyvinyl chloride pipe mixing device based on the Internet of Things, comprising:

[0007] A mixing device including a plurality of independent heating zones;

[0008] A temperature monitoring module, which is used to measure the temperature of the polymer polyvinyl chloride component material within the heating interval;

[0009] A heating control module, the heating control module is used to heat the heating zone;

[0010] A material monitoring module, the material monitoring module is used to measure the initial temperature of the polymer polyvinyl chloride component material flowing into the polymer polyvinyl chloride pipe mixing device and the flow rate of the polymer polyvinyl chloride component material flowing into the polymer polyvinyl chloride pipe mixing device;

[0011] The central control module is connected to the temperature monitoring module, the heating control module and the material monitoring module through the IoT communication gateway. The central control module is used to calculate the heating temperature of each subsequent heating interval based on the real-time temperature of the polymer polyvinyl chloride component material passing through each heating interval, and output a control signal to the heating control module to heat each heating interval.

[0012] Preferably, the temperature monitoring module comprises a plurality of temperature measuring electrodes, and the temperature measuring electrodes are arranged in a one-to-one correspondence within the heating zone.

[0013] Preferably, the heating control module comprises a heating component and a heating control circuit which are configured in a one-to-one correspondence with the heating intervals, and the heating control circuit is used to control the heating component to heat the heating interval.

[0014] Preferably, the working process of the system is:

[0015] Get the length of each heating interval;

[0016] The heating interval at the front end is recorded as the sample heating interval;

[0017] The central control module outputs a control signal to the heating control circuit corresponding to the sample heating interval, and controls the heating component corresponding to the sample heating interval to heat the sample heating interval according to the sample heating temperature;

[0018] Get the initial temperature of the polymer polyvinyl chloride component material:

[0019] Obtaining the outflow temperature of the polymer polyvinyl chloride component material flowing out of the sample heating zone;

[0020] Based on the outflow temperature of the polymer polyvinyl chloride component material out of the sample heating interval and the initial temperature of the polymer polyvinyl chloride component material, the specific heat capacity of the polymer polyvinyl chloride component material is calculated by a heat transfer formula;

[0021] Determining the initial heating temperatures of all heating intervals except the sample heating interval based on the specific heat capacity of the polymer polyvinyl chloride component material and the target mixing temperature of the polymer polyvinyl chloride component material;

[0022] The central control module outputs a control signal to the heating control circuits corresponding to all other heating zones except the sample heating zone, and controls the heating components corresponding to all other heating zones except the sample heating zone to heat the sample heating zone according to the initial heating temperature;

[0023] The outflow temperature of the high molecular weight polyvinyl chloride component material flowing out of each heating zone is collected in real time, and the heating temperature of the heating zone is dynamically adjusted.

[0024] Preferably, the method for determining the sample heating temperature is:

[0025] Obtaining a historical work log of a mixing device, and determining a standard specific heat capacity of a high molecular weight polyvinyl chloride component material based on the historical work log of the mixing device;

[0026] Set a measured temperature difference;

[0027] Calculating the sample heating temperature based on the initial temperature of the polymer polyvinyl chloride component material, the standard specific heat capacity of the polymer polyvinyl chloride component material and the measured temperature difference;

[0028] The calculation formula of the sample heating temperature is:

[0029] In the formula, is the sample heating temperature, Standard specific heat capacity of high molecular weight polyvinyl chloride component materials, is the density of the high molecular weight polyvinyl chloride component material, is the volume of the sample heating zone, is the flow rate of the high molecular weight polyvinyl chloride component material into the high molecular weight polyvinyl chloride pipe mixing device, is the length of the sample heating interval, is the initial temperature of the polymer polyvinyl chloride component material, To measure the temperature difference, is the thermal conductivity, It is the contact area between the sample heating zone and the high molecular weight polyvinyl chloride component material.

[0030] Preferably, the standard specific heat capacity of the polymer polyvinyl chloride component material is determined as follows:

[0031] Retrieve the actual specific heat capacity of each mixed high molecular weight polyvinyl chloride component material in the historical work log of the historical mixing device;

[0032] The actual specific heat capacity of each mixed high molecular weight polyvinyl chloride component material in the historical work log of the historical mixing device is averaged to obtain the standard specific heat capacity of the high molecular weight polyvinyl chloride component material.

[0033] Preferably, the heat transfer formula is specifically:

[0034] Where c is the specific heat capacity of the polymer polyvinyl chloride component material, It is the outflow temperature of the high molecular weight polyvinyl chloride component material flowing out of the sample heating zone.

[0035] Preferably, the determining of the initial heating temperatures of all heating intervals except the sample heating interval based on the specific heat capacity of the polymer polyvinyl chloride component material and the target mixing temperature of the polymer polyvinyl chloride component material specifically includes:

[0036] Determine the total length of all heating intervals except the sample heating interval;

[0037] The temperature difference of the mixture is obtained by subtracting the outflow temperature of the high molecular weight polyvinyl chloride component material out of the sample heating interval from the mixture target temperature of the high molecular weight polyvinyl chloride component material;

[0038] Based on the temperature difference of the mixture and the specific heat capacity of the high molecular weight polyvinyl chloride component material, the initial heating temperature of all heating intervals except the sample heating interval is calculated by the heating temperature calculation formula;

[0039] The heating temperature calculation formula is specifically:

[0040] In the formula, is the initial heating temperature, is the total length of all heating intervals except the sample heating interval, The temperature difference for heating the mixture.

[0041] Preferably, the real-time collection of the outflow temperature of the high molecular weight polyvinyl chloride component material out of each heating zone and the dynamic adjustment of the heating temperature of the heating zone specifically include:

[0042] Real-time collection of the outflow temperature of the high molecular weight polyvinyl chloride component material out of each heating zone, and determination of the number of remaining heating zones through which the high molecular weight polyvinyl chloride component material flows;

[0043] The dynamic temperature rise difference is obtained based on the target mixing temperature of the high molecular weight polyvinyl chloride component material minus the outflow temperature of the high molecular weight polyvinyl chloride component material out of the heating zone;

[0044] Based on the temperature difference of the mixed material and the specific heat capacity of the high molecular weight polyvinyl chloride component material, the heating temperature of the remaining heating zone through which the high molecular weight polyvinyl chloride component material flows is calculated by a heating temperature adjustment formula;

[0045] The heating temperature adjustment formula is specifically:

[0046] In the formula, is the heating temperature of the heating zone through which the remaining polymer polyvinyl chloride component material flows, is the number of heating zones through which the high molecular weight polyvinyl chloride component material flows. is the length of a single heating interval, The outflow temperature of the high molecular weight polyvinyl chloride component material out of the heating zone collected in real time, It is the dynamic temperature rise temperature difference.

[0047] Preferably, the remote monitoring system of the polymer polyvinyl chloride pipe mixing device based on the Internet of Things also includes a safety alarm module, which is electrically connected to the central control module. The safety alarm module is used to determine whether the heating temperature of the heating zone through which the remaining polymer polyvinyl chloride component material flows is greater than the maximum safe temperature of the mixing device. If so, an alarm signal is output and the control signal from the central control module to the heating control module is cut off. If not, no response is taken.

[0048] Compared with the prior art, the present invention has the following beneficial effects:

[0049] The present invention proposes a remote monitoring system for a polymer polyvinyl chloride pipe mixing device based on the Internet of Things. The temperature sensors, temperature controllers and temperature actuators in all areas of the mixing device are connected to a central control terminal for communication through the Internet of Things gateway. A remote central control module is used to comprehensively monitor and adjust the temperature data in the mixing device, and the temperature parameters of the subsequent mixing processes in the mixing device are intelligently adjusted for the temperature parameters of the completed mixing process, thereby realizing comprehensive temperature monitoring of the entire area of ​​the mixing device, comprehensively monitoring and adjusting the temperature of the mixing device, effectively ensuring the mixing effect of polymer polyvinyl chloride component materials in the mixing device, and thus improving the extrusion molding yield of polymer polyvinyl chloride pipes. BRIEF DESCRIPTION OF THE DRAWINGS

[0050] Figure 1 This is a structural block diagram of Embodiment 1 of the present invention;

[0051] Figure 2 This is a workflow diagram of Embodiment 1 of the present invention;

[0052] Figure 3 This is a structural block diagram of Embodiment 2 of the present invention;

[0053] Figure 4 This is a work flow chart of Embodiment 2 of the present invention;

[0054] Figure 5 This is a flow chart of a method for determining a sample heating temperature in the present invention;

[0055] Figure 6 The flowchart of the method for determining the standard specific heat capacity of the polymer polyvinyl chloride component material in the present invention;

[0056] Figure 7A flow chart of a method for determining the initial heating temperatures of all heating intervals except the sample heating interval in the present invention;

[0057] Figure 8 This is a flow chart of the method for dynamically adjusting the heating temperature of the heating zone in the present invention. DETAILED DESCRIPTION

[0058] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0059] Embodiment 1:

[0060] Reference Figure 1 As shown, a remote monitoring system for a polymer polyvinyl chloride pipe mixing device based on the Internet of Things includes:

[0061] A mixing device including a plurality of independent heating zones;

[0062] A temperature monitoring module, which is used to measure the temperature of the polymer polyvinyl chloride component material within the heating interval;

[0063] A heating control module, the heating control module is used to heat the heating zone;

[0064] A material monitoring module, the material monitoring module is used to measure the initial temperature of the polymer polyvinyl chloride component material flowing into the polymer polyvinyl chloride pipe mixing device and the flow rate of the polymer polyvinyl chloride component material flowing into the polymer polyvinyl chloride pipe mixing device;

[0065] The central control module is connected to the temperature monitoring module, the heating control module and the material monitoring module through the IoT communication gateway. The central control module is used to calculate the heating temperature of each subsequent heating interval based on the real-time temperature of the polymer polyvinyl chloride component material passing through each heating interval, and output a control signal to the heating control module to heat each heating interval.

[0066] Wherein, the temperature monitoring module includes a plurality of temperature measuring electrodes, and the temperature measuring electrodes are arranged in a one-to-one correspondence within the heating zone.

[0067] The heating control module includes a heating component and a heating control circuit configured in a one-to-one correspondence with the heating intervals, and the heating control circuit is used to control the heating component to heat the heating interval.

[0068] Reference Figure 2 As shown, the working process of the remote monitoring system for polymer polyvinyl chloride pipe mixing device based on the Internet of Things proposed in Example 1 is as follows:

[0069] Get the length of each heating interval;

[0070] The heating interval at the front end is recorded as the sample heating interval;

[0071] The central control module outputs a control signal to the heating control circuit corresponding to the sample heating interval, and controls the heating component corresponding to the sample heating interval to heat the sample heating interval according to the sample heating temperature;

[0072] Get the initial temperature of the polymer polyvinyl chloride component material:

[0073] Obtaining the outflow temperature of the polymer polyvinyl chloride component material flowing out of the sample heating zone;

[0074] Based on the outflow temperature of the polymer polyvinyl chloride component material out of the sample heating interval and the initial temperature of the polymer polyvinyl chloride component material, the specific heat capacity of the polymer polyvinyl chloride component material is calculated by a heat transfer formula;

[0075] Determining the initial heating temperatures of all heating intervals except the sample heating interval based on the specific heat capacity of the polymer polyvinyl chloride component material and the target mixing temperature of the polymer polyvinyl chloride component material;

[0076] The central control module outputs a control signal to the heating control circuits corresponding to all other heating zones except the sample heating zone, and controls the heating components corresponding to all other heating zones except the sample heating zone to heat the sample heating zone according to the initial heating temperature;

[0077] The outflow temperature of the high molecular weight polyvinyl chloride component material flowing out of each heating zone is collected in real time, and the heating temperature of the heating zone is dynamically adjusted through the control signal output by the central control module.

[0078] Embodiment 2:

[0079] Reference Figure 3 As shown, a remote monitoring system for a polymer polyvinyl chloride pipe mixing device based on the Internet of Things, on the basis of embodiment one, further includes a safety alarm module, the safety alarm module is electrically connected to the central control module, the safety alarm module is used to determine whether the heating temperature of the heating zone through which the remaining polymer polyvinyl chloride component material flows is greater than the maximum safe temperature of the mixing device, if so, an alarm signal is output, and the control signal from the central control module to the heating control module is cut off, if not, no response is taken.

[0080] Reference Figure 4 As shown, the working process of the remote monitoring system for polymer polyvinyl chloride pipe mixing device based on the Internet of Things proposed in Example 2 is as follows:

[0081] Get the length of each heating interval;

[0082] The heating interval at the front end is recorded as the sample heating interval;

[0083] The central control module outputs a control signal to the heating control circuit corresponding to the sample heating interval, and controls the heating component corresponding to the sample heating interval to heat the sample heating interval according to the sample heating temperature;

[0084] Get the initial temperature of the polymer polyvinyl chloride component material:

[0085] Obtaining the outflow temperature of the polymer polyvinyl chloride component material flowing out of the sample heating zone;

[0086] Based on the outflow temperature of the polymer polyvinyl chloride component material out of the sample heating interval and the initial temperature of the polymer polyvinyl chloride component material, the specific heat capacity of the polymer polyvinyl chloride component material is calculated by a heat transfer formula;

[0087] Determining the initial heating temperatures of all heating intervals except the sample heating interval based on the specific heat capacity of the polymer polyvinyl chloride component material and the target mixing temperature of the polymer polyvinyl chloride component material;

[0088] The central control module outputs a control signal to the heating control circuits corresponding to all other heating zones except the sample heating zone, and controls the heating components corresponding to all other heating zones except the sample heating zone to heat the sample heating zone according to the initial heating temperature;

[0089] The outflow temperature of the high-molecular polyvinyl chloride component material flowing out of each heating zone is collected in real time, and the heating temperature of the heating zone is calculated and adjusted. The safety alarm module determines whether the heating temperature of the heating zone after calculation and adjustment is greater than the maximum safe temperature of the mixing device. If so, an alarm signal is output and the control signal from the central control module to the heating control module is cut off. If not, the central control module outputs a control signal to dynamically adjust the heating temperature of the heating zone.

[0090] The temperature sensors, temperature controllers and temperature actuators in all areas of the mixing device are connected to the central control terminal through the Internet of Things gateway. The temperature data in the mixing device is comprehensively monitored and adjusted using the remote central control module. The temperature parameters of the subsequent mixing processes in the mixing device are intelligently adjusted based on the temperature parameters of the completed mixing process. This realizes comprehensive temperature monitoring of the entire area of ​​the mixing device, comprehensively monitors and adjusts the temperature of the mixing device, and effectively ensures the mixing effect of the polymer polyvinyl chloride component materials in the mixing device, thereby improving the extrusion molding yield of the polymer polyvinyl chloride pipe.

[0091] Reference Figure 5 As shown, the method for determining the sample heating temperature is:

[0092] Obtaining a historical work log of a mixing device, and determining a standard specific heat capacity of a high molecular weight polyvinyl chloride component material based on the historical work log of the mixing device;

[0093] Set a measured temperature difference;

[0094] Calculating the sample heating temperature based on the initial temperature of the polymer polyvinyl chloride component material, the standard specific heat capacity of the polymer polyvinyl chloride component material and the measured temperature difference;

[0095] The calculation formula of the sample heating temperature is:

[0096] In the formula, is the sample heating temperature, Standard specific heat capacity of high molecular weight polyvinyl chloride component materials, is the density of the high molecular weight polyvinyl chloride component material, is the volume of the sample heating zone, is the flow rate of the high molecular weight polyvinyl chloride component material into the high molecular weight polyvinyl chloride pipe mixing device, is the length of the sample heating interval, is the initial temperature of the polymer polyvinyl chloride component material, To measure the temperature difference, is the thermal conductivity, It is the contact area between the sample heating zone and the high molecular weight polyvinyl chloride component material.

[0097] Reference Figure 6 As shown, the standard specific heat capacity of the polymer polyvinyl chloride component material is determined as follows:

[0098] Retrieve the actual specific heat capacity of each mixed high molecular weight polyvinyl chloride component material in the historical work log of the historical mixing device;

[0099] The actual specific heat capacity of each mixed high molecular weight polyvinyl chloride component material in the historical work log of the historical mixing device is averaged to obtain the standard specific heat capacity of the high molecular weight polyvinyl chloride component material.

[0100] The heat transfer formula is specifically:

[0101] Where c is the specific heat capacity of the polymer polyvinyl chloride component material, It is the outflow temperature of the high molecular weight polyvinyl chloride component material flowing out of the sample heating zone.

[0102] Reference Figure 7As shown, the method of determining the initial heating temperatures of all heating intervals except the sample heating interval based on the specific heat capacity of the polymer polyvinyl chloride component material and the target mixing temperature of the polymer polyvinyl chloride component material specifically includes:

[0103] Determine the total length of all heating intervals except the sample heating interval;

[0104] The temperature difference of the mixture is obtained by subtracting the outflow temperature of the high molecular weight polyvinyl chloride component material out of the sample heating interval from the mixture target temperature of the high molecular weight polyvinyl chloride component material;

[0105] Based on the temperature difference of the mixture and the specific heat capacity of the high molecular weight polyvinyl chloride component material, the initial heating temperature of all heating intervals except the sample heating interval is calculated by the heating temperature calculation formula;

[0106] The heating temperature calculation formula is specifically:

[0107] In the formula, is the initial heating temperature, is the total length of all heating intervals except the sample heating interval, The temperature difference for heating the mixture.

[0108] Reference Figure 8 As shown, the real-time collection of the outflow temperature of the high molecular weight polyvinyl chloride component material out of each heating zone and the dynamic adjustment of the heating temperature of the heating zone specifically include:

[0109] Real-time collection of the outflow temperature of the high molecular weight polyvinyl chloride component material out of each heating zone, and determination of the number of remaining heating zones through which the high molecular weight polyvinyl chloride component material flows;

[0110] The dynamic temperature rise difference is obtained based on the target mixing temperature of the high molecular weight polyvinyl chloride component material minus the outflow temperature of the high molecular weight polyvinyl chloride component material out of the heating zone;

[0111] Based on the temperature difference of the mixed material and the specific heat capacity of the high molecular weight polyvinyl chloride component material, the heating temperature of the remaining heating zone through which the high molecular weight polyvinyl chloride component material flows is calculated by a heating temperature adjustment formula;

[0112] The heating temperature adjustment formula is specifically:

[0113] In the formula, is the heating temperature of the heating zone through which the remaining polymer polyvinyl chloride component material flows, is the number of heating zones through which the high molecular weight polyvinyl chloride component material flows. is the length of a single heating interval, The outflow temperature of the high molecular weight polyvinyl chloride component material out of the heating zone collected in real time, It is the dynamic temperature rise temperature difference.

[0114] Based on thermodynamic formula and the specific heat capacity formula, In this solution, a specific analysis of the high molecular weight polyvinyl chloride component materials in each heating interval is performed, and the dynamic adjustment temperature of each area in the mixing device at each stage is calculated to achieve comprehensive monitoring and adjustment of the temperature of the mixing device.

[0115] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. A remote monitoring system for a polymer polyvinyl chloride pipe mixing device based on the Internet of Things, characterized in that: include: A mixing device including a plurality of independent heating zones; A temperature monitoring module, which is used to measure the temperature of the polymer polyvinyl chloride component material within the heating interval; A heating control module, the heating control module is used to heat the heating zone; A material monitoring module, the material monitoring module is used to measure the initial temperature of the polymer polyvinyl chloride component material flowing into the polymer polyvinyl chloride pipe mixing device and the flow rate of the polymer polyvinyl chloride component material flowing into the polymer polyvinyl chloride pipe mixing device; A central control module, wherein the central control module is connected to the temperature monitoring module, the heating control module and the material monitoring module via an IoT communication gateway, and the central control module is used to calculate the heating temperature of each subsequent heating interval based on the real-time temperature of the polymer polyvinyl chloride component material passing through each heating interval, and output a control signal to the heating control module to heat each heating interval; The working process of the system is: Get the length of each heating interval; The heating interval at the front end is recorded as the sample heating interval; The central control module outputs a control signal to the heating control circuit corresponding to the sample heating interval, and controls the heating component corresponding to the sample heating interval to heat the sample heating interval according to the sample heating temperature; Get the initial temperature of the polymer polyvinyl chloride component material: Obtaining the outflow temperature of the polymer polyvinyl chloride component material flowing out of the sample heating zone; Based on the outflow temperature of the polymer polyvinyl chloride component material out of the sample heating interval and the initial temperature of the polymer polyvinyl chloride component material, the specific heat capacity of the polymer polyvinyl chloride component material is calculated by a heat transfer formula; Determining the initial heating temperatures of all heating intervals except the sample heating interval based on the specific heat capacity of the polymer polyvinyl chloride component material and the target mixing temperature of the polymer polyvinyl chloride component material; The central control module outputs a control signal to the heating control circuits corresponding to all other heating zones except the sample heating zone, and controls the heating components corresponding to all other heating zones except the sample heating zone to heat the sample heating zone according to the initial heating temperature; Real-time collection of the outflow temperature of the high molecular weight polyvinyl chloride component material flowing out of each heating zone, and dynamic adjustment of the heating temperature of the heating zone; The method for determining the sample heating temperature is: Obtaining a historical work log of a mixing device, and determining a standard specific heat capacity of a high molecular weight polyvinyl chloride component material based on the historical work log of the mixing device; Set a measured temperature difference; Calculating the sample heating temperature based on the initial temperature of the polymer polyvinyl chloride component material, the standard specific heat capacity of the polymer polyvinyl chloride component material and the measured temperature difference; The calculation formula of the sample heating temperature is: In the formula, is the sample heating temperature, Standard specific heat capacity of high molecular weight polyvinyl chloride component materials, is the density of the high molecular weight polyvinyl chloride component material, is the volume of the sample heating zone, is the flow rate of the high molecular weight polyvinyl chloride component material into the high molecular weight polyvinyl chloride pipe mixing device, is the length of the sample heating interval, is the initial temperature of the polymer polyvinyl chloride component material, To measure the temperature difference, is the thermal conductivity, The contact area between the sample heating zone and the high molecular weight polyvinyl chloride component material; The heat transfer formula is specifically: Where c is the specific heat capacity of the polymer polyvinyl chloride component material, is the outflow temperature of the high molecular weight polyvinyl chloride component material out of the sample heating zone; The step of determining the initial heating temperatures of all heating intervals except the sample heating interval based on the specific heat capacity of the polymer polyvinyl chloride component material and the target mixing temperature of the polymer polyvinyl chloride component material specifically includes: Determine the total length of all heating intervals except the sample heating interval; The temperature difference of the mixture is obtained by subtracting the outflow temperature of the high molecular weight polyvinyl chloride component material out of the sample heating interval from the mixture target temperature of the high molecular weight polyvinyl chloride component material; Based on the temperature difference of the mixture and the specific heat capacity of the high molecular weight polyvinyl chloride component material, the initial heating temperature of all heating intervals except the sample heating interval is calculated by the heating temperature calculation formula; The heating temperature calculation formula is specifically: In the formula, is the initial heating temperature, is the total length of all heating intervals except the sample heating interval, The temperature difference for heating the mixture.

2. According to the remote monitoring system of a polymer polyvinyl chloride pipe mixing device based on the Internet of Things according to claim 1, it is characterized in that: The temperature monitoring module includes a plurality of temperature measuring electrodes, and the temperature measuring electrodes are arranged in a one-to-one correspondence within the heating zone.

3. According to the remote monitoring system of a polymer polyvinyl chloride pipe mixing device based on the Internet of Things in claim 1, it is characterized in that: The heating control module includes a heating component and a heating control circuit which are configured in a one-to-one correspondence with the heating intervals. The heating control circuit is used to control the heating component to heat the heating interval.

4. A remote monitoring system for a polymer polyvinyl chloride pipe mixing device based on the Internet of Things according to any one of claims 1 to 3, characterized in that: The standard specific heat capacity of the polymer polyvinyl chloride component material is determined as follows: Retrieve the actual specific heat capacity of each mixed high molecular weight polyvinyl chloride component material in the historical work log of the historical mixing device; The actual specific heat capacity of each mixed high molecular weight polyvinyl chloride component material in the historical work log of the historical mixing device is averaged to obtain the standard specific heat capacity of the high molecular weight polyvinyl chloride component material.

5. The remote monitoring system for a polymer polyvinyl chloride pipe mixing device based on the Internet of Things according to claim 4 is characterized in that: The real-time collection of the outflow temperature of the high molecular weight polyvinyl chloride component material out of each heating zone and the dynamic adjustment of the heating temperature of the heating zone specifically include: Real-time collection of the outflow temperature of the high molecular weight polyvinyl chloride component material out of each heating zone, and determination of the number of remaining heating zones through which the high molecular weight polyvinyl chloride component material flows; The dynamic temperature rise difference is obtained based on the target mixing temperature of the high molecular weight polyvinyl chloride component material minus the outflow temperature of the high molecular weight polyvinyl chloride component material out of the heating zone; Based on the temperature difference of the mixed material and the specific heat capacity of the high molecular weight polyvinyl chloride component material, the heating temperature of the remaining heating zone through which the high molecular weight polyvinyl chloride component material flows is calculated by a heating temperature adjustment formula; The heating temperature adjustment formula is specifically: In the formula, is the heating temperature of the heating zone through which the remaining polymer polyvinyl chloride component material flows, is the number of heating zones through which the high molecular weight polyvinyl chloride component material flows. is the length of a single heating interval, The outflow temperature of the high molecular weight polyvinyl chloride component material out of the heating zone collected in real time, It is the dynamic temperature rise temperature difference.

6. A remote monitoring system for a polymer polyvinyl chloride pipe mixing device based on the Internet of Things according to claim 5, characterized in that: It also includes a safety alarm module, which is electrically connected to the central control module. The safety alarm module is used to determine whether the heating temperature of the heating zone through which the remaining high-molecular polyvinyl chloride component material flows is greater than the maximum safe temperature of the mixing device. If so, an alarm signal is output and the control signal from the central control module to the heating control module is cut off. If not, no response is taken.

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