CN115890026A - Laser cutting monitoring method and device and computer readable storage medium - Google Patents
Laser cutting monitoring method and device and computer readable storage medium Download PDFInfo
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- CN115890026A CN115890026A CN202110900398.4A CN202110900398A CN115890026A CN 115890026 A CN115890026 A CN 115890026A CN 202110900398 A CN202110900398 A CN 202110900398A CN 115890026 A CN115890026 A CN 115890026A
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Abstract
The embodiment of the application belongs to the field of industrial laser application, and relates to a laser cutting monitoring method, which comprises the following steps: acquiring real-time information of a cutting head; determining the early warning grade of each piece of real-time information according to the real-time information of the cutting head; sequencing and managing all early warning levels; and outputting a working instruction according to the highest sorted early warning grade to control the working state of the cutting head. The application also provides a laser cutting monitoring device and a computer readable storage medium. The real-time information of the cutting head is acquired in real time, and according to the real-time information of the cutting head, the early warning levels of the real-time information are determined so as to effectively monitor the running state of the laser cutting machine and relevant index parameters of the cutting head in real time and control the working state of the cutting head in time, the cutting head is prevented from being damaged or a product to be processed is prevented from being damaged, the service life of the cutting head is prolonged, the efficiency and the quality of laser processing are improved, and unnecessary loss is reduced.
Description
Technical Field
The application relates to the technical field of industrial laser application, in particular to a laser cutting monitoring method and device and a computer readable storage medium.
Background
Laser cutting is a mature technology, and many types of laser cutting machines are produced in the market by applying different laser powers, CNC control systems and appropriate cutting heads according to different parameters of cutting plate types, thicknesses, processes and the like. The laser cutting machine comprises a CNC control system, a laser cutting head, a laser water cooling machine, an air compressor, other expanded control modules, a machine tool mechanical structure, a servo motor and the like, so that the laser cutting machine can generate various signals during working, such as CNC analog and digital signals, laser light-emitting and light-off signals, cutting head control signals and the like; the cutting head is used as a carrier of the laser beam Jiao Chuguang, integrates a related sensor, a focusing motor and a control panel, and can generate related sensing signals such as a photoelectric detection signal, a temperature and humidity signal, an air pressure signal and the like when in work;
however, each module of the laser cutting machine is produced by a plurality of manufacturers, the modules of each manufacturer can monitor the running state of the module and the abnormal condition of the relevant index parameters of the cutting head in real time, data interaction is not performed among the modules, and a defect exists in the aspect of data management of the cutting head, so that the problem that early warning cannot be realized in the detection of the working state of the cutting head exists, and under the condition that one signal or a plurality of signals are abnormal in the cutting process of the laser cutting machine, the cutting head cannot autonomously judge the condition of the abnormal signal and some emergency processing operations, so that the processing cannot be performed in time, further the cutting head is damaged or the product to be processed is damaged, or the cutting head stops working frequently, and the processing efficiency and quality are reduced.
Disclosure of Invention
The technical problem to be solved by the embodiments of the present application is to provide a laser cutting monitoring method, a laser cutting monitoring device and a computer-readable storage medium, aiming at solving the problem that in the prior art, data interaction is not performed between modules of a laser cutting machine, so that early warning is not timely and early warning is lost, and further a cutting head is damaged or a product to be processed is damaged.
In order to solve the above technical problem, an embodiment of the present application provides a laser cutting monitoring method, which adopts the following technical scheme:
a laser cutting monitoring method, comprising the steps of:
acquiring real-time information of a cutting head;
determining the early warning grade of each piece of real-time information according to the real-time information of the cutting head;
sequencing and managing all early warning levels;
and outputting a working instruction according to the highest sorted early warning level to control the working state of the cutting head.
Specifically, the real-time information includes self-error-reporting information and/or numerical information, and the step of determining the early warning level of each piece of real-time information according to the real-time information of the cutting head specifically includes:
identifying real-time information of the cutting head;
when the one-time self-error-reporting information is identified, generating a first early warning grade;
when the same self-error-reporting information is identified for multiple times, generating a second early warning level, wherein the second early warning level is higher than the first early warning level;
when the numerical value information is identified, the numerical value information is compared with a preset threshold value, and an early warning grade is determined based on the comparison result.
Specifically, the step of comparing the numerical information with a preset threshold and determining the early warning level based on the comparison result specifically includes:
when the numerical information is larger than the maximum value of the preset threshold or smaller than the minimum value of the preset threshold, if the difference value between the numerical information and the preset threshold is within the range of the preset number, generating a third early warning level;
and if the difference value between the numerical information and the preset threshold value is out of the range of the preset number, generating a fourth early warning level, wherein the fourth early warning level is higher than the third early warning level.
Specifically, the step of outputting a working instruction according to the highest ranked early warning level to control the working state of the cutting head specifically includes:
when the early warning level is a first early warning level or a second early warning level, outputting a working instruction for keeping the current working state, and controlling the cutting head to keep the current working state;
when the early warning level is a third early warning level, outputting a working instruction for stopping the cutting task after preset time, and controlling the cutting head to stop the cutting task after the preset time;
and when the early warning level is a fourth early warning level, outputting a working instruction for immediately stopping the cutting task, and controlling the cutting head to immediately stop the cutting task.
Specifically, the step of sorting all the early warning levels specifically includes:
and sequencing and managing the early warning levels from high to low.
Further, the step of determining the pre-alarm level of each piece of real-time information according to the real-time information of the cutting head further comprises:
and based on an OPCUA communication protocol, transmitting the real-time information and the early warning level of the cutting head to a user terminal.
Further, the step of determining the pre-alarm level of each piece of real-time information according to the real-time information of the cutting head further comprises:
filing and managing the real-time information and the early warning grade of the cutting head to generate historical cutting head information and historical early warning grade;
and based on an OPCUA communication protocol, transmitting the historical cutting head information and the historical early warning level to a user terminal.
In order to solve the above technical problem, an embodiment of the present application further provides a laser cutting monitoring device, which adopts the following technical scheme:
a laser cutting monitoring device, comprising:
the acquisition module is used for acquiring real-time information of the cutting head;
the early warning determining module is used for determining the early warning grade of each piece of real-time information according to the real-time information of the cutting head;
the management module is used for carrying out sequencing management on all the early warning levels;
and the control module is used for outputting a working instruction according to the highest sorted early warning level so as to control the working state of the cutting head.
Further, the laser cutting monitoring device further comprises:
and the communication module is used for transmitting the real-time information and the early warning level of the cutting head to a user side based on an OPCUA communication protocol.
In order to solve the above technical problem, an embodiment of the present application further provides a computer-readable storage medium, which adopts the following technical solutions:
a computer readable storage medium having computer readable instructions stored thereon which, when executed by a processor, implement the steps of a laser cutting monitoring method as described above.
Compared with the prior art, the embodiment of the application mainly has the following beneficial effects: the real-time information of the cutting head is acquired, so that the real-time information of the cutting head is uniformly acquired; determining the early warning grade of each piece of real-time information according to the real-time information of the cutting head, and realizing the uniform early warning of all pieces of real-time information of the cutting head; comprehensive judgment is carried out, all early warning grades are subjected to sequencing management, and early warning errors and untimely early warning caused by the fact that a plurality of early warning grades are received at the same time but the priority levels of the early warning grades cannot be judged are avoided, so that the early warning grades are processed in time; and outputting a working instruction according to the highest sorted early warning level to control the working state of the cutting head. This application acquires the real-time information of cutting head in real time, and according to the real-time information of cutting head, confirm each real-time information's early warning level to monitor laser cutting machine's running state and the relevant index parameter of cutting head effectively in real time, the management of sequencing is carried out to all early warning levels, the highest early warning level output work order after sequencing, with the purpose of realizing priority handling emergency state, and the operating condition of in time control cutting head, avoided the cutting head to damage or treat that the processing product damages, the life of cutting head and laser beam machining's efficiency and quality have been improved, reduce the unnecessary loss.
Drawings
In order to more clearly illustrate the solution of the present application, a brief description will be given below of the drawings required for use in the description of the embodiments of the present application, and it is obvious that the drawings in the following description are some embodiments of the present application, and that other drawings can be obtained by those skilled in the art without inventive effort.
FIG. 1 is a flow diagram of one embodiment of a laser cutting monitoring method according to the present application;
FIG. 2 is a schematic structural diagram of one embodiment of a laser cutting monitoring device according to the present application;
FIG. 3 is a schematic block diagram of one embodiment of a computer device in which the present application may be implemented;
FIG. 4 is an exemplary system architecture diagram to which the present application may be applied.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings.
Referring to FIG. 1, a flow diagram for one embodiment of a laser cut monitoring method in accordance with the present application is shown. The laser cutting monitoring method comprises the following steps:
step S102, acquiring real-time information of the cutting head.
In this embodiment, the real-time information of the cutting head may be: focusing signals, CNC analog and digital signals, altitude conditioning box operating signals, cooling system operating signals, and optoelectronic signals, as well as the air pressure, temperature, humidity, etc., of the cutting head.
And S103, determining the early warning grade of each piece of real-time information according to the real-time information of the cutting head.
In this embodiment, the early warning levels may be a first early warning level, a second early warning level, a third early warning level, and a fourth early warning level, and the staff may further classify the early warning levels according to actual needs.
And step S104, sequencing and managing all the early warning levels.
In this embodiment, the early warning levels may be managed in an emergency, such as defined by the extent to which continued operation of the cutting head would cause damage to the cutting head or to the product to be processed.
And S105, outputting a working instruction according to the highest sorted early warning level to control the working state of the cutting head.
In this embodiment, the working conditions of the cutting head may include: keeping the current working state, stopping the cutting task after the preset time, and immediately finishing the cutting task.
The laser cutting monitoring method provided by the embodiment of the application firstly acquires the real-time information of the cutting head, and realizes the uniform acquisition of the real-time information of the cutting head; then, according to the real-time information of the cutting head, determining the early warning level of each piece of real-time information, and realizing uniform early warning of all pieces of real-time information of the cutting head; then, comprehensive judgment is carried out, all early warning grades are subjected to sequencing management, and early warning errors and untimely early warning caused by the fact that a plurality of early warning grades are received at the same time but the priority levels of the early warning grades cannot be judged are avoided, so that the early warning grades are processed in time; and finally, outputting a working instruction according to the highest sorted early warning level to control the working state of the cutting head. This application acquires the real-time information of cutting head in real time, and according to the real-time information of cutting head, confirm each real-time information's early warning level to monitor laser cutting machine's running state and the relevant index parameter of cutting head effectively in real time, sort the management to all early warning levels, according to the highest early warning level output work order in the back of sequencing, in order to realize the purpose of priority handling emergency, and the operating condition of in time control cutting head, avoided the cutting head to damage or treat that the processing product damages, the life of cutting head and laser beam machining's efficiency and quality have been improved, reduce the unnecessary loss.
Specifically, the real-time information includes self-error-reporting information and/or numerical information, and the step of determining the early warning level of each piece of real-time information according to the real-time information of the cutting head specifically includes:
identifying real-time information of the cutting head;
when the one-time self-error-reporting information is identified, generating a first early warning grade;
when multiple times of self-error-reporting information are identified, generating a second early warning grade, wherein the second early warning grade is higher than the first early warning grade;
when the numerical information is identified, the numerical information is compared with a preset threshold value, and an early warning grade is determined based on the comparison result.
In the embodiment, the real-time information of the cutting head is divided into the self-error-reporting information and the numerical value information which needs to be compared with the preset threshold, and the pre-warning grades of the real-time information are determined according to the real-time information of the cutting head, so that comprehensive judgment is realized, and different measures can be adopted according to different pre-warning grades subsequently, so that corresponding problems can be processed timely and accurately.
In this embodiment, the self-error information may be self-error information sent by an automatic focusing module signal, a CNC analog and digital signal, a height adjustment box working signal, a cooling system working signal, and a photoelectric signal; the numerical information may be specific numerical values of air pressure, temperature and humidity of the cutting head.
Specifically, the step of comparing the numerical information with a preset threshold and determining the early warning level based on the comparison result specifically includes:
when the numerical information is larger than the maximum value of the preset threshold or smaller than the minimum value of the preset threshold, if the difference value between the numerical information and the preset threshold is within the range of the preset number, generating a third early warning level;
and if the difference value between the numerical information and the preset threshold value is out of the range of the preset number, generating a fourth early warning level, wherein the fourth early warning level is higher than the third early warning level.
In this embodiment, the third early warning level and the fourth early warning level are further divided, so that different measures can be conveniently adopted according to different early warning levels subsequently, and corresponding problems can be timely and accurately handled.
In this embodiment, the preset number is five percent, and if the difference value between the numerical information and the preset threshold value is within the range of five percent, a third early warning level is generated; and if the difference value of the numerical information and the preset threshold value is out of the range of five percent, generating a fourth early warning grade.
Certainly, the fault tolerance of different laser cutting machines and different workpieces to be machined is different, and the range of the difference value between the numerical information and the preset threshold can be set according to specific requirements.
Specifically, the step of outputting a working instruction according to the highest ranked early warning level to control the working state of the cutting head specifically includes:
when the early warning level is a first early warning level or a second early warning level, outputting a working instruction for keeping the current working state, and controlling the cutting head to keep the current working state;
when the early warning level is a third early warning level, outputting a working instruction for stopping the cutting task after preset time, and controlling the cutting head to stop the cutting task after the preset time;
and when the early warning level is a fourth early warning level, outputting a working instruction for immediately stopping the cutting task, and controlling the cutting head to immediately stop the cutting task.
In this embodiment, the preset time is five minutes, and when the early warning level is the third early warning level, the working instruction for stopping the cutting task after five minutes is output, and the cutting head is controlled to stop the cutting task after five minutes.
Of course, the method is not limited to outputting the working instruction of stopping the cutting task after five minutes, and controlling the cutting head to stop the cutting task after five minutes, and the fault tolerance rates of different laser cutting machines and different workpieces to be processed are different, and the time for stopping the cutting task can be set according to specific requirements.
In the embodiment, a focusing signal is sent by an automatic focusing module of a laser cutting machine, a CNC analog and digital signal is sent by a CNC control system of the laser cutting machine, a height adjusting box working signal is sent by a height adjusting box of the laser cutting machine, a cooling system working signal is sent by a cooling system of a laser cutting head, and a photoelectric signal is sent by a photoelectric detection module of the cutting head; the automatic focusing module, the CNC control system, the cooling system and the photoelectric detection module have alarm signals, if index parameters of the cutting head are not met, the working state of the cutting head is abnormal, if a laser focus does not act on a product to be processed, the motion path of the cutting head is incorrect, the cooling system of the cutting head does not work, and when perforation detection is carried out on a machined part, the fact that the cutting is not finished in the laser cutting process is detected; in this embodiment, if the early warning level is the first early warning level, a working instruction for keeping the current working state is output, and the cutting head is controlled to keep the current working state, so that a worker can conveniently maintain the detection of the cutting head; if the early warning level is the second early warning level, it indicates that one of the automatic focusing module, the CNC control system, the cooling system and the photoelectric detection module is abnormal for many times, so that the cutting head is abnormal in multiple working states, a working instruction for keeping the current working state is output, the cutting head is controlled to be kept in the current working state, the working personnel can conveniently perform key detection, and the cutting head damage or the product to be processed damage caused by abnormal multiple working states of the cutting head in subsequent work is prevented.
In this embodiment, the air pressure value of the cutting head is sent by an air pressure detection system of the cutting head, and the temperature and humidity values of the cutting head are sent by a temperature and humidity detection module of the cutting head; the air pressure detection system and the temperature and humidity detection module do not have alarm signals and only detect the air pressure, the temperature and the humidity in the cutting head; when numerical value information of air pressure, temperature and humidity in the cutting head is identified, the numerical value information is compared with a preset threshold value, when the numerical value information is larger than the maximum value of the preset threshold value or smaller than the minimum value of the preset threshold value, and the difference value between the numerical value information and the preset threshold value is within a range of five percent, a third early warning level is generated, a working instruction of stopping a cutting task after five minutes is output, the cutting head is controlled to stop the cutting task after five minutes, if workers know the third early warning level in time, the laser cutting machine can be maintained within five minutes, frequent stopping of the cutting head is avoided, if maintenance cannot be completed after five minutes, the cutting head is controlled to stop working, and damage of the laser cutting head or damage of a product to be processed is avoided; when numerical value information of air pressure, temperature and humidity in the cutting head is identified, the numerical value information is compared with a preset threshold value, when the numerical value information is larger than the maximum value of the preset threshold value or smaller than the minimum value of the preset threshold value, and the difference value between the numerical value information and the preset threshold value is out of the range of five percent, a fourth early warning level is generated, the cutting head is controlled to stop cutting tasks immediately, the cutting head is prevented from being stopped by workers out of site and being incapable of being timely, and the laser cutting head or a product to be processed is prevented from being damaged.
In the embodiment, the early warning grades of the real-time information are determined according to the real-time information of the cutting head, all the early warning grades are sorted and managed, and then the working instruction is output according to the highest sorted early warning grade to control the working state of the cutting head, so that the corresponding abnormal conditions of the cutting head can be timely and accurately processed, and the damage of the laser cutting head or the damage of a product to be processed is avoided.
Specifically, the step of sorting all the early warning levels specifically includes: and sequencing and managing the early warning levels from high to low.
In this embodiment, the early warning levels are sorted and managed in a sequence from high to low, and the early warning levels can be sorted and managed according to an emergency state, specifically, the degree of damage of the cutting head or damage of a product to be processed caused by continuous operation of the cutting head is defined; when the numerical information of atmospheric pressure, temperature and humidity in the cutting head is discerned, compare it with the threshold value of predetermineeing, work as when numerical information is greater than the maximum value of threshold value of predetermineeing or is less than and predetermines the threshold value minimum value, then the difference value of numerical information and predetermined threshold value is outside the scope of predetermineeing the number, then generate the fourth early warning level, the fourth early warning level is the highest emergency state of priority level, this embodiment carries out the management of ordering to the early warning level according to emergency, make this application handle the highest emergency state of priority level, can in time handle the early warning level, and avoid early warning mistake and early warning untimely.
Further, the step of determining the pre-alarm level of each piece of real-time information according to the real-time information of the cutting head further comprises:
and step S106, based on an OPCUA communication protocol, transmitting the real-time information and the early warning level of the cutting head to a user side.
In this embodiment, step S103 and step S106 can be performed synchronously, so that the worker can receive the real-time information of the cutting head in time, and the worker can remotely monitor the laser cutting machine in real time, thereby reducing the time for monitoring the laser cutting machine on site by the worker, facilitating the worker to receive and early-warning grade in time, processing the early-warning grade in time, and avoiding early-warning errors and untimely early-warning.
In this embodiment, the user side may be an OPCUA client and a CNC control system.
Further, the step of determining the pre-alarm level of each piece of real-time information according to the real-time information of the cutting head further comprises:
step S107, filing and managing the real-time information and the early warning grade of the cutting head to generate historical cutting head information and historical early warning grade;
and step S108, based on an OPCUA communication protocol, transmitting the information of the historical cutting head and the historical early warning level to a user side.
In this embodiment, the real-time information and the early warning level of the cutting head are subjected to filing management by establishing a data model, so as to generate historical cutting head information and historical early warning level.
In this embodiment, the real-time information and the early warning level of the cutting head are filed to generate historical cutting head information and historical early warning level, so that the worker can trace back the data source conveniently, and can find out the reason of the problem of the laser cutting machine and predict the time node of the next maintenance more quickly.
In the embodiment, a worker can actively check the historical cutting head information and the historical early warning level through the user side, check the historical cutting head information and the historical early warning level in a contrast mode, trace back the data source, and further quickly find out the reason of the problem of the laser cutting machine and predict the time node of next maintenance. The user end used by the working personnel can receive the historical early warning grade and the historical cutting head information at regular time, so that the working personnel can know the working state of the laser cutting machine in a certain period of time in time, and the working personnel can compare the historical early warning grade and the historical cutting head information in a certain period of time to know whether the laser cutting machine has the change of the abnormal state or not.
Further, the step of acquiring real-time information of the cutting head may be preceded by: step S101, setting a preset threshold value.
In the embodiment, the preset threshold value of the air pressure of the cutting head is 0-25Bar, the preset threshold value of the temperature of the cutting head is 0-60 ℃, and the preset threshold value of the humidity of the cutting head is that the relative humidity is less than seventy percent; different laser cutting machine, the difference treat the processing parameter of machined part all inequality, can set up according to concrete demand and predetermine the threshold value, make this application applicable in multiple cutting panel type, thickness, technology isoparametric etc. increase the practicality of this application.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware associated with computer readable instructions, which can be stored in a computer readable storage medium, and when executed, the programs can include processes of the embodiments of the methods described above. The storage medium may be a non-volatile storage medium such as a magnetic disk, an optical disk, a Read-Only Memory (ROM), or a Random Access Memory (RAM).
It should be understood that, although the steps in the flowcharts of the figures are shown in sequence as indicated by the arrows, the steps are not necessarily performed in sequence as indicated by the arrows. The steps are not performed in the exact order shown and may be performed in other orders unless otherwise indicated herein. Moreover, at least a portion of the steps in the flow chart of the figure may include multiple sub-steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, which are not necessarily performed in sequence, but may be performed alternately or in turns with other steps or at least a portion of the sub-steps or stages of other steps.
With further reference to fig. 2, as an implementation of the method shown in fig. 1, the present application provides an embodiment of a laser cutting monitoring apparatus, which corresponds to the embodiment of the method shown in fig. 1, and which can be applied in various electronic devices.
As shown in fig. 2, the laser cutting monitoring device 200 according to the present embodiment includes: the system comprises an acquisition module 201, an early warning confirmation module 202, a management module 203 and a control module 204. Wherein:
an acquisition module 201 for acquiring real-time information of the cutting head;
the early warning determining module 202 is configured to determine an early warning level of each piece of real-time information according to the real-time information of the cutting head;
the management module 203 is used for carrying out sequencing management on all the early warning levels;
and the control module 204 is used for outputting a working instruction according to the highest sorted early warning level so as to control the working state of the cutting head.
In the present embodiment, first, real-time information of the cutting head is acquired by the acquisition module 201; then, determining the early warning grade of each piece of real-time information according to the real-time information of the cutting head through an early warning confirmation module 202; then, comprehensive judgment is carried out through the management module 203, and sequencing management is carried out on all early warning levels; and finally, outputting a working instruction according to the highest sorted early warning level through a control module 204 so as to control the working state of the cutting head.
The acquisition module 201 in this embodiment realizes unified acquisition of real-time information of the cutting head; the early warning confirmation module 202 realizes the uniform early warning of the real-time information of all the cutting heads; the management module 203 performs comprehensive judgment and performs sequencing management on all the early warning levels, so that early warning errors and untimely early warning caused by the fact that a plurality of early warning levels are received at the same time but the priority levels of the early warning levels cannot be judged are avoided, and the early warning levels are processed in time; the control module 204 outputs a working instruction according to the highest ranked early warning level, so that the control of the cutting head is realized. This application acquires the real-time information of cutting head in real time, according to the real-time information of cutting head, confirm each real-time information's early warning grade to effectively monitor laser cutting machine's running state and the relevant index parameter of cutting head in real time, carry out the management of sequencing to all early warning grades, according to the highest early warning grade output work order in the back of sequencing, with the purpose of realizing priority handling emergency state, and the operating condition of in time control cutting head, avoided the cutting head to damage or treat that the processing product damages, the life of cutting head and laser beam machining's efficiency and quality have been improved, reduce unnecessary loss.
In some optional implementations of this embodiment, the early warning confirmation module 202 includes a self-error-reporting-information identifying submodule and a numerical value identifying submodule. The self-error-reporting-identifying information submodule is used for generating a first early warning grade when the self-error-reporting information of one time is identified; when multiple times of same self-reported error information are identified, a second early warning level is generated. The identification value information submodule is used for comparing the value information with a preset threshold value when the value information is identified, and determining an early warning level based on a comparison result; when the numerical information is larger than the maximum value of the preset threshold or smaller than the minimum value of the preset threshold, if the difference value between the numerical information and the preset threshold is within the range of the preset number, generating a third early warning level; and if the difference value between the numerical value information and the preset threshold value is out of the range of the preset number, generating a fourth early warning level.
In some optional implementations of this embodiment, the control module 204 is further configured to: when the early warning level is a first early warning level or a second early warning level, outputting a working instruction for keeping the current working state, and controlling the cutting head to keep the current working state; when the early warning level is a third early warning level, outputting a working instruction for stopping the cutting task after a preset time, and controlling the cutting head to stop the cutting task after the preset time; and when the early warning level is a fourth early warning level, outputting a working instruction for immediately stopping the cutting task, and controlling the cutting head to immediately stop the cutting task.
In some optional implementations of this embodiment, the management module 203 is further configured to: and sequencing and managing the early warning levels from high to low.
In some optional implementations of this embodiment, the early warning confirmation module 202 is further configured to: a preset threshold is set. Different laser cutting machine, the processing parameter of the machined part of treating of difference are all inequality, can set up the threshold value of predetermineeing of early warning confirmation module 202 according to specific condition, make this application be applicable to multiple cutting panel type, thickness, technology isoparametric etc. increase the practicality of this application.
In some optional implementations of this embodiment, the management module 203 is further configured to: and archiving the real-time information and the early warning level of the cutting head to generate historical cutting head information and historical early warning level + node data.
And archiving the real-time information and the early warning grade of the cutting head to generate historical cutting head information and historical early warning grade, so that workers can trace back the data source conveniently, and the reason of the problem of the laser cutting machine can be found out more quickly and the time node of next maintenance can be predicted.
Further, the laser cutting monitoring device further comprises: and the communication module 205 is used for transmitting the real-time information and the early warning level of the cutting head to a user side based on an OPCUA communication protocol.
In this embodiment, the user side may be an OPCUA client and a CNC control system.
In this embodiment, the staff of being convenient for in time receives the real-time information of cutting head, and the staff can long-rangely realize the real-time supervision to laser cutting machine, reduces staff on-the-spot monitoring laser cutting machine's time, and the staff of being convenient for in time receives and early warning grade to and handle early warning grade in time, and avoid early warning error and early warning untimely.
In some optional implementations of this embodiment, the communication module 205 is further configured to: based on the OPCUA communication protocol, the historical cutting head information and the historical early warning level are transmitted to the user side.
In the embodiment, a worker can actively check the historical cutting head information and the historical early warning level through the user side, check the historical cutting head information and the historical early warning level in a contrast mode, trace back the data source, and further quickly find out the reason of the problem of the laser cutting machine and predict the time node of next maintenance. The user end used by the working personnel can receive the historical early warning grade and the historical cutting head information at regular time, so that the working personnel can know the working state of the laser cutting machine in a certain period of time in time, and the working personnel can compare the historical early warning grade and the historical cutting head information in a certain period of time to know the change of the laser cutting machine.
In some optional implementation manners of this embodiment, the obtaining module 201, the early warning confirmation module 202, the management module 203, the control module 204, and the communication module 205 perform communication by using an opua communication protocol, where the opua has the characteristics of platform independence, safe and reliable network communication, a unified data model, provision of a complex data modeling model, enhancement of transmission performance, and the like. All mainstream system platforms can deploy an OPCUA server and an OPCUA client, safe and reliable network communication ensures the integrity of data transmission, data processing and data model establishment can deal with the management tasks of complex and variable type data, and the transmission performance enhancement ensures the rapid acquisition of real-time information of the cutting head and the operation of transmitting a working instruction.
The present application further provides another embodiment, which is to provide a computer-readable storage medium storing computer-readable instructions executable by at least one processor to cause the at least one processor to perform the laser cutting monitoring method steps as described above.
In this embodiment, the computer readable storage medium is executed by at least one processor, so that the at least one processor executes the steps of the laser cutting monitoring method, which obtains the real-time information of the cutting head to realize the unified collection of the real-time information of the cutting head; determining the early warning grade of each piece of real-time information according to the real-time information of the cutting head, and realizing the uniform early warning of all pieces of real-time information of the cutting head; comprehensive judgment is carried out, all early warning grades are managed in a sequencing mode, the situation that the early warning faults and the early warning are not timely due to the fact that the early warning grades are received at the same time but the priority levels of the early warning grades cannot be judged is avoided, and therefore the early warning grades are processed timely; and outputting a working instruction according to the highest ordered pre-warning level to control the working state of the cutting head. This application acquires the real-time information of cutting head in real time, and according to the real-time information of cutting head, confirm each real-time information's early warning level to monitor laser cutting machine's running state and the relevant index parameter of cutting head effectively in real time, the management of sequencing is carried out to all early warning levels, the highest early warning level output work order after sequencing, with the purpose of realizing priority handling emergency state, and the operating condition of in time control cutting head, avoided cutting head to damage or treat that the processing product damages, the life of cutting head and laser beam machining's efficiency and quality have been improved, reduce the unnecessary loss.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better embodiment. Based on such understanding, the technical solutions of the present application may substantially or partly contribute to the prior art as a software product, where the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk), and includes several instructions for enabling a terminal device (which may be a mobile phone, a computer, a server, or a network device) to execute the method described in the embodiments of the present application.
In order to solve the technical problem, an embodiment of the present application further provides a computer device. Referring to fig. 3, fig. 3 is a block diagram of a basic structure of a computer device according to the present embodiment.
The computer device 3 comprises a memory 31, a processor 32, a network interface 33 communicatively connected to each other via a system bus. It is noted that only the computer device 3 having the components 31-33 is shown in the figure, but it is understood that not all of the shown components are required to be implemented, and that more or less components may be implemented instead. As will be understood by those skilled in the art, the computer device is a device capable of automatically performing numerical calculation and/or information processing according to a preset or stored instruction, and the hardware includes, but is not limited to, a microprocessor, an Application Specific Integrated Circuit (ASIC), a Programmable Gate Array (FPGA), a Digital Signal Processor (DSP), an embedded device, and the like.
The computer device 3 may be a desktop computer, a notebook, a palm computer, a cloud server, or other computing devices. The computer equipment can be in man-machine interaction with a user through a keyboard, a mouse, a remote controller, a touch panel or voice control equipment and the like.
The memory 31 includes at least one type of readable storage medium including a flash memory, a hard disk, a multimedia card, a card type memory (e.g., SD or DX memory, etc.), a Random Access Memory (RAM), a Static Random Access Memory (SRAM), a Read Only Memory (ROM), an Electrically Erasable Programmable Read Only Memory (EEPROM), a Programmable Read Only Memory (PROM), a magnetic memory, a magnetic disk, an optical disk, etc. In some embodiments, the storage 31 may be an internal storage unit of the computer device 3, such as a hard disk or a memory of the computer device 3. In other embodiments, the memory 31 may also be an external storage device of the computer device 3, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital Card (SD), a Flash memory Card (Flash Card), and the like, which are provided on the computer device 3. Of course, the memory 31 may also comprise both an internal storage unit of the computer device 3 and an external storage device thereof. In this embodiment, the memory 31 is generally used for storing an operating system and various types of application software installed in the computer device 3, such as computer readable instructions of a laser cutting monitoring method. Further, the memory 31 may also be used to temporarily store various types of data that have been output or are to be output.
The processor 32 may be a central processor, controller, microcontroller, microprocessor, or other data processing chip in some embodiments. The processor 32 is typically used to control the overall operation of the computer device 3. In this embodiment, the processor 32 is configured to execute computer readable instructions or processing data stored in the memory 31, for example, computer readable instructions for executing the laser cutting monitoring method. In this embodiment, the processor is an STM32MP153 type, and integrates a dual ARM Cortex A7 physical core and a Cortex M4 physical core, the Cortex A7 physical core can operate a mainstream open source embedded real-time system, and can reasonably allocate internal resources and peripheral resources to Cortex A7 and Cortex M4 according to the requirements of an application scene, thereby ensuring the flexibility and practicability of the heterogeneous multi-core of the platform; STM32MP153 has the FPU, has guaranteed the performance requirement at data processing, supports 256 general sharing simultaneously and breaks, ensures that some real-time request obtains timely response, and the IPCC module has guaranteed the quick communication of the heterogeneous multicore on this platform, and to different applications, heterogeneous multicore can coprocessing, has improved the flexibility in the use of this platform greatly, improves the utilization efficiency on this platform resource.
In this embodiment, the processor 32 is configured to execute specific contents of the obtaining module 201, the early warning confirmation module 202, the management module 203, the control module 204, and the communication module 205 in fig. 2, and the memory 31 stores program codes and various data required for executing the above modules.
The network interface 33 may comprise a wireless network interface or a wired network interface, and the network interface 33 is generally used to establish a communication connection between the computer device 3 and a user terminal, i.e. a laser cutting machine.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and can include the processes of the embodiments of the methods described above when the computer program is executed.
The computer equipment realizes the unified acquisition of the real-time information of the cutting head by acquiring the real-time information of the cutting head; determining the early warning grade of each piece of real-time information according to the real-time information of the cutting head, and realizing the uniform early warning of all pieces of real-time information of the cutting head; comprehensive judgment is carried out, all early warning grades are subjected to sequencing management, and early warning errors and untimely early warning caused by the fact that a plurality of early warning grades are received at the same time but the priority levels of the early warning grades cannot be judged are avoided, so that the early warning grades are processed in time; and outputting a working instruction according to the highest sorted early warning grade to control the working state of the cutting head. The real-time information of the cutting head is acquired in real time, the early warning grades of all the real-time information are determined according to the real-time information of the cutting head, the running state of the laser cutting machine and relevant index parameters of the cutting head are effectively monitored in real time, all the early warning grades are sorted and managed, the working instruction is output according to the highest early warning grade after sorting, the purpose of preferentially processing the emergency state is achieved, the working state of the cutting head is controlled in time, the cutting head is prevented from being damaged or products to be processed are prevented from being damaged, the service life of the cutting head is prolonged, the efficiency and the quality of laser processing are improved, and unnecessary loss is reduced.
As shown in fig. 4, the system architecture 400 may include terminal devices 401, 402, 403, a network 404, and a server 405. The network 404 serves as a medium to provide communication links between the terminal devices 401, 402, 403 and the server 405. Network 404 may include various types of connections, such as wire, wireless communication links, or fiber optic cables, to name a few.
A user may use terminal devices 401, 402, 403 to interact with a server 405 over a network 404 to receive or send messages or the like. The terminal devices 401, 402, 403 may have various communication client applications installed thereon, such as a web browser application, a shopping application, a search application, an instant messaging tool, a mailbox client, social platform software, and the like. The terminal devices 401, 402, 403 may be various electronic devices having a display screen and supporting web browsing, including but not limited to smart phones, tablet computers, electronic book readers, MP3 players, MP4 players, laptop portable computers, desktop computers, and the like.
The server 405 may be a server providing various services, such as a background server providing support for pages displayed on the terminal devices 401, 402, 403.
It should be noted that, the laser monitoring method provided in the embodiments of the present application is generally executed by a server, and accordingly, the laser cutting monitoring apparatus is generally disposed in the server.
In this embodiment, the terminal devices 401, 402, and 403 are OPCUA clients and CNC control systems, and the server 405 is an OPCUA server.
It should be understood that the number of terminal devices, networks, and servers in fig. 4 is merely illustrative. There may be any number of terminal devices, networks, and servers, as desired for an implementation.
It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the invention and do not limit the scope of the invention. This application is capable of embodiments in many different forms and is provided for the purpose of enabling a thorough understanding of the disclosure of the application. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that the present application may be practiced without these specific details or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields and are within the protection scope of the present application.
Claims (10)
1. A laser cutting monitoring method is characterized by comprising the following steps:
acquiring real-time information of a cutting head;
determining early warning levels of the real-time information according to the real-time information of the cutting head;
sequencing and managing all early warning levels;
and outputting a working instruction according to the highest sorted early warning grade to control the working state of the cutting head.
2. The laser cutting monitoring method according to claim 1, wherein the real-time information includes self-error-reporting information and/or numerical information, and the step of determining the early warning level of each piece of real-time information according to the real-time information of the cutting head specifically includes:
identifying real-time information of the cutting head;
when the one-time self-error-reporting information is identified, generating a first early warning grade;
when multiple times of self-error-reporting information are identified, generating a second early warning grade, wherein the second early warning grade is higher than the first early warning grade;
when the numerical information is identified, the numerical information is compared with a preset threshold value, and an early warning grade is determined based on the comparison result.
3. The laser cutting monitoring method according to claim 2, wherein the step of comparing the numerical information with a preset threshold and determining an early warning level based on the comparison result specifically comprises:
when the numerical information is larger than the maximum value of the preset threshold or smaller than the minimum value of the preset threshold, if the difference value between the numerical information and the preset threshold is within the range of the preset number, generating a third early warning level;
and if the difference value between the numerical information and the preset threshold value is out of the range of the preset number, generating a fourth early warning level, wherein the fourth early warning level is higher than the third early warning level.
4. The laser cutting monitoring method according to claim 3, wherein the step of outputting a working instruction according to the highest ranked early warning level to control the working state of the cutting head specifically comprises:
when the early warning level is a first early warning level or a second early warning level, outputting a working instruction for keeping the current working state, and controlling the cutting head to keep the current working state;
when the early warning level is a third early warning level, outputting a working instruction for stopping the cutting task after preset time, and controlling the cutting head to stop the cutting task after the preset time;
and when the early warning level is a fourth early warning level, outputting a working instruction for immediately stopping the cutting task, and controlling the cutting head to immediately stop the cutting task.
5. The laser cutting monitoring method according to claim 1, wherein the step of sorting all the early warning levels specifically comprises:
and sequencing and managing the early warning levels from high to low.
6. The laser cutting monitoring method of claim 1, wherein the step of determining the warning level of each piece of real-time information according to the real-time information of the cutting head further comprises:
and based on an OPCUA communication protocol, transmitting the real-time information and the early warning level of the cutting head to a user side.
7. The laser cutting monitoring method of claim 1, wherein the step of determining the warning level of each piece of real-time information according to the real-time information of the cutting head further comprises:
filing and managing the real-time information and the early warning grade of the cutting head to generate historical cutting head information and historical early warning grade;
and based on an OPCUA communication protocol, transmitting the historical cutting head information and the historical early warning level to a user side.
8. A laser cutting monitoring device, comprising:
the acquisition module is used for acquiring real-time information of the cutting head;
the early warning determining module is used for determining the early warning grade of each piece of real-time information according to the real-time information of the cutting head;
the management module is used for carrying out sequencing management on all the early warning levels;
and the control module is used for outputting a working instruction according to the highest sorted early warning level so as to control the working state of the cutting head.
9. The laser cut monitoring device of claim 8, further comprising:
and the communication module is used for transmitting the real-time information and the early warning level of the cutting head to a user side based on an OPCUA communication protocol.
10. A computer readable storage medium having computer readable instructions stored thereon which, when executed by a processor, implement the steps of the laser cutting monitoring method of any one of claims 1 to 7.
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| CN202110900398.4A CN115890026A (en) | 2021-08-06 | 2021-08-06 | Laser cutting monitoring method and device and computer readable storage medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116551216A (en) * | 2023-07-07 | 2023-08-08 | 深圳市耐恩科技有限公司 | Control method and device for carrying out laser cutting on pole piece and laser cutting equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116551216A (en) * | 2023-07-07 | 2023-08-08 | 深圳市耐恩科技有限公司 | Control method and device for carrying out laser cutting on pole piece and laser cutting equipment |
| CN116551216B (en) * | 2023-07-07 | 2023-09-26 | 深圳市耐恩科技有限公司 | Control method and device for carrying out laser cutting on pole piece and laser cutting equipment |
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