CN-121989101-A - Real-time monitoring method, device and equipment for low-temperature processing equipment and storage medium

CN121989101ACN 121989101 ACN121989101 ACN 121989101ACN-121989101-A

Abstract

The present invention relates to the field of equipment monitoring, and in particular, to a method, an apparatus, a device, and a storage medium for monitoring a low-temperature processing device in real time. The method comprises the following steps of carrying out core cavity operation monitoring and equipment health quantitative evaluation on low-temperature processing equipment to generate an operation state rating report, setting a dynamic replacement temperature threshold value based on the operation state rating report, carrying out thermal imaging monitoring on a cutter in the cavity according to a thermal infrared imager to construct a temperature rise distribution diagram, carrying out temperature rise differential calculation based on the temperature rise distribution diagram to output a dynamic correction curve, and carrying out cross recognition on the dynamic correction curve based on the dynamic replacement temperature threshold value to trigger a cutter replacement early warning signal when a platform clock is detected to reach a cutter replacement time point. The invention improves the processing stability, the equipment safety and the tool life management.

Inventors

LI YANG
Yao Zongheng

Assignees

深圳市正泰隆科技有限公司

Dates

Publication Date: 20260508
Application Date: 20260403

Claims (10)

1. The real-time monitoring method of the low-temperature processing equipment is characterized by comprising the following steps of: Step S1, performing core cavity operation monitoring and equipment health quantitative evaluation on low-temperature processing equipment to generate an operation state rating report; Step S2, setting a dynamic replacement temperature threshold value based on the running state rating report; S3, performing thermal imaging monitoring on a cutter in the cavity according to the thermal infrared imager to construct a temperature rise distribution diagram; s4, performing temperature rise differential calculation based on the temperature rise distribution diagram, and outputting a dynamic correction curve; and S5, based on the dynamic replacement temperature threshold value, the dynamic correction curve is crossed and identified, and when the platform clock is detected to reach the cutter replacement time point, a cutter replacement early warning signal is triggered.
2. The method for real-time monitoring of low-temperature processing equipment according to claim 1, wherein the step S1 specifically comprises the following steps: Setting an acquisition frequency, performing core cavity operation monitoring on low-temperature processing equipment based on a sensor array, and extracting operation parameters; The operation parameters comprise cavity temperature, internal pressure, ambient humidity and structural vibration intensity; sensing outlier detection is carried out on the operation parameters, and outlier data points are marked; performing self-adaptive elimination on the outlier data points to obtain outlier elimination operation parameters; performing high-frequency filtering treatment on the outlier rejection operation parameters, and outputting a filtering parameter set; and carrying out equipment health quantitative evaluation based on the filtering parameter set, and generating an operation state rating report.
3. The method for real-time monitoring of low-temperature processing equipment according to claim 2, wherein the specific steps of performing equipment health quantitative evaluation based on the filtering parameter set and generating an operation state rating report are as follows: uploading the filtering parameter set to a monitoring cloud platform, wherein the monitoring cloud platform records a parameter receiving time stamp; Performing time sequence fitting according to the parameter receiving time stamp to construct a time sequence parameter stream; calculating the temperature fluctuation amplitude, the cooling efficiency change trend and the vibration response characteristic based on the time sequence parameter flow to obtain a parameter time sequence response characteristic; And carrying out comprehensive health quantitative evaluation on the parameter time sequence response characteristics to generate an operation state rating report.
4. The method for real-time monitoring of low-temperature processing equipment according to claim 1, wherein the step S2 comprises the following specific steps: calculating a real-time refrigeration effective coefficient and a refrigeration loss ratio based on the running state rating report; Performing processing chamber heat management performance evaluation on the real-time refrigeration effective coefficient and the cold energy loss ratio to generate a real-time heat management coefficient; And dynamically compensating and adjusting the cutter switching standard temperature threshold based on the real-time thermal management coefficient to generate a dynamic replacement temperature threshold.
5. The method for real-time monitoring of low-temperature processing equipment according to claim 1, wherein the specific steps of step S3 are as follows: Collecting the processing process of the cutter in the cavity based on the thermal infrared imager, and extracting a first operation thermal image; performing radiation consistency correction on the first operation thermal imaging to construct a second operation thermal imaging; Performing tool temperature visual calculation on the second operation thermal imaging to generate tool temperature data; Carrying out blade structure distribution identification on the temperature data of the cutter to obtain a temperature distribution map; Carrying out continuous multi-frame temperature differential calculation on the temperature distribution map to construct a temperature rise distribution map; the specific steps of carrying out radiation consistency correction on the first operation thermal imaging and constructing the second operation thermal imaging are as follows: carrying out gray scale distribution identification on the first thermal imaging to obtain gray scale distribution characteristics; Performing image global radiation consistency correction according to the gray distribution characteristics, and outputting a radiation correction image; performing sensing thermal noise identification on the radiation correction image, and marking the thermal noise position; Performing thermal noise form identification according to the thermal noise position to obtain a noise form; performing dynamic noise suppression processing based on the noise form to construct a noise suppression image; And carrying out resolution dynamic allocation on the processing effective temperature zone to construct a second operation thermal imaging.
6. The method for real-time monitoring of low-temperature processing equipment according to claim 1, wherein the specific steps of step S4 are as follows: performing temperature rise differential calculation based on the temperature rise distribution diagram to obtain the temperature rise rate and amplitude; Carrying out multi-time point tracking statistics according to the temperature rise rate and amplitude to obtain a temperature rise change curve; carrying out temperature rise structural analysis on the temperature rise change curve to obtain temperature rise structural characteristics; Trend prediction is carried out according to the temperature rise structural characteristics, and a temperature rise prediction curve is generated; and carrying out confidence correction on the temperature rise prediction curve, and outputting a dynamic correction curve.
7. The method for real-time monitoring of low-temperature processing equipment according to claim 1, wherein the specific steps of step S5 are as follows: Based on the dynamic replacement temperature threshold value, carrying out cross recognition on the dynamic correction curve, marking a moment coordinate reaching the threshold value, and marking as a cutter replacement time point; based on the real-time tracking of the tool change time point, when the platform clock is detected to reach the tool change time point, the tool change early warning signal is triggered, a shutdown instruction is sent to the processing equipment, and active change monitoring operation is carried out.
8. A real-time monitoring apparatus of a low-temperature processing device, for performing the real-time monitoring method of a low-temperature processing device according to claim 1, comprising: the monitoring unit is used for carrying out core cavity operation monitoring and equipment health quantitative evaluation on the low-temperature processing equipment and generating an operation state rating report; A threshold setting unit for setting a dynamic replacement temperature threshold based on the operation state rating report; The thermal imaging unit is used for carrying out thermal imaging monitoring on the cutter in the cavity according to the thermal infrared imager to construct a temperature rise distribution diagram; The temperature rise calculation unit is used for carrying out temperature rise differential calculation based on the temperature rise distribution diagram and outputting a dynamic correction curve; and the replacement early warning unit is used for cross recognition of the dynamic correction curve based on the dynamic replacement temperature threshold value, and triggering a cutter replacement early warning signal when the platform clock is detected to reach the cutter replacement time point.
9. A computer device comprising a memory and a processor, the memory having stored therein a computer program, characterized in that the processor, when executing the computer program, carries out the steps of the method for real-time monitoring of a cryogenic machining device according to any one of claims 1 to 7.
10. A computer-readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the real-time monitoring method of a cryogenic processing plant according to any one of claims 1 to 7.

Description

Real-time monitoring method, device and equipment for low-temperature processing equipment and storage medium Technical Field The present invention relates to the field of equipment monitoring, and in particular, to a method, an apparatus, a device, and a storage medium for monitoring a low-temperature processing device in real time. Background In the long-term operation process of the low-temperature processing equipment, key parts of the equipment are easy to have performance fluctuation and potential fault hidden trouble due to superposition of factors such as low-temperature medium circulation, cold-hot alternate impact, cooperative work of mechanical moving parts and the like. For example, a low-temperature cooling system may have unstable cooling effect due to frost formation, abnormal flow or misalignment of temperature control, and the problems of lubrication performance reduction, material embrittlement or response retardation of an actuating mechanism in a low-temperature environment are likely to occur, and meanwhile, vibration, load mutation and material state change generated in the processing process also affect the running stability and processing precision of equipment. If these problems cannot be found and handled in time, the processing quality may be reduced, equipment may be damaged, and even safety accidents may be caused. The existing operation monitoring mode of the low-temperature processing equipment mainly depends on single-point monitoring of temperature, pressure or flow collected by a distributed sensor, and regular equipment inspection and post maintenance. Although the method can reflect the basic operation state of the equipment to a certain extent, the problems of limited monitoring dimension, response lag and insufficient associated analysis capability generally exist, and the comprehensive and real-time identification of multi-parameter coupling change and complex abnormal working conditions in the low-temperature processing process is difficult. Disclosure of Invention The invention provides a real-time monitoring method, a device, equipment and a storage medium for low-temperature processing equipment to solve at least one technical problem. In order to achieve the above object, the present invention provides a real-time monitoring method for a low-temperature processing apparatus, comprising the steps of: Step S1, performing core cavity operation monitoring and equipment health quantitative evaluation on low-temperature processing equipment to generate an operation state rating report; Step S2, setting a dynamic replacement temperature threshold value based on the running state rating report; S3, performing thermal imaging monitoring on a cutter in the cavity according to the thermal infrared imager to construct a temperature rise distribution diagram; s4, performing temperature rise differential calculation based on the temperature rise distribution diagram, and outputting a dynamic correction curve; and S5, based on the dynamic replacement temperature threshold value, the dynamic correction curve is crossed and identified, and when the platform clock is detected to reach the cutter replacement time point, a cutter replacement early warning signal is triggered. In the present specification, there is provided a real-time monitoring apparatus of a low-temperature processing device for performing the real-time monitoring method of a low-temperature processing device as described above, comprising: the monitoring unit is used for carrying out core cavity operation monitoring and equipment health quantitative evaluation on the low-temperature processing equipment and generating an operation state rating report; A threshold setting unit for setting a dynamic replacement temperature threshold based on the operation state rating report; The thermal imaging unit is used for carrying out thermal imaging monitoring on the cutter in the cavity according to the thermal infrared imager to construct a temperature rise distribution diagram; The temperature rise calculation unit is used for carrying out temperature rise differential calculation based on the temperature rise distribution diagram and outputting a dynamic correction curve; and the replacement early warning unit is used for cross recognition of the dynamic correction curve based on the dynamic replacement temperature threshold value, and triggering a cutter replacement early warning signal when the platform clock is detected to reach the cutter replacement time point. The invention also provides a computer device comprising a memory and a processor, the memory having stored therein a computer program, the processor implementing the steps of any of the methods described above when the computer program is executed. The present invention also provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the real-time monitoring method of a cry