CN111488676A - Welding process parameter fixed value identification switching method, equipment, medium and device - Google Patents

Welding process parameter fixed value identification switching method, equipment, medium and device Download PDF

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CN111488676A
CN111488676A CN202010201516.8A CN202010201516A CN111488676A CN 111488676 A CN111488676 A CN 111488676A CN 202010201516 A CN202010201516 A CN 202010201516A CN 111488676 A CN111488676 A CN 111488676A
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fixed value
group
process parameter
sampling
value group
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CN111488676B (en
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柏杨
邵宇
潘家峰
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Nanjing Yungang Intelligent Technology Co ltd
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Nanjing Yungang Intelligent Technology Co ltd
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    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
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    • G06F30/20Design optimisation, verification or simulation

Abstract

The invention discloses a method, equipment, a medium and a device for identifying and switching fixed values of welding process parameters. The method comprises the following steps: combining all the process steps with completely identical fixed value ranges of all the process parameters and adjacent process steps into a fixed value group to form a fixed value group list; extracting the characteristic process parameters in each set value group to form a characteristic process parameter list; activating a definite value set in the definite value set list; judging whether the sampling value of each process parameter is in the corresponding fixed value range in the fixed value group, if the sampling value exceeds the fixed value range, judging whether the next fixed value group exists in the currently activated fixed value group, if so, extracting the characteristic process parameter of the next fixed value group from the characteristic process parameter list and judging whether the sampling value is in the fixed value range of the characteristic process parameter, and if so, activating the next fixed value group and switching to the next fixed value group. The misoperation is effectively reduced, the labor is saved, and the welding process discipline and the welding quality are ensured.

Description

Welding process parameter fixed value identification switching method, equipment, medium and device
Technical Field
The invention relates to the field of welding process quality control, in particular to a method, equipment, a medium and a device for identifying and switching fixed values of welding process parameters.
Background
In the welding process, a plurality of working steps exist in one working procedure, the fixed value ranges of the process parameters between different working steps can be the same or different, and each working step is executed in sequence. The process parameter fixed value ranges of the three steps are taken as examples as follows:
step 1: current 200A to 210A, arc voltage: 17V to 24V
Step 2: current 200A to 210A, arc voltage: 17V to 24V
Step 3: current 250A to 260A, arc voltage: 17V to 24V
The fixed value ranges of the process parameters of the first two working steps are completely the same, the fixed value ranges of the current parameters of the second working step are different from those of the current parameters of the third working step, and the process parameters of the arc voltage are the same.
In the welding process, the process discipline execution condition needs to be managed and controlled. When the actually measured process parameter value exceeds the process fixed value range, an alarm is required to prompt, and the welding is stopped immediately.
Because two or more working steps exist in the welding process, the fixed value ranges of the process parameters may be different between different working steps, and the actually measured process parameter values cannot be compared with the fixed value ranges of the process parameters.
Currently, only one set of process setting value ranges is activated each time in a manual selection mode, the set of process setting value ranges is enabled to take effect, and actually measured process values are compared with the enabled process setting value ranges.
The above-described manner of manually selecting the process setpoint range has the following problems:
(1) manually selecting a process constant value range, activating the constant value range, and increasing the workload of workers;
(2) the process fixed value range is manually selected, so that the operation flexibility of workers is improved, and the process discipline cannot be rigidly guaranteed;
(3) the process fixed value range is manually selected, and the selection is easy to be wrong.
Therefore, it is necessary to provide a welding process parameter fixed value identification switching method which can avoid the misoperation of process parameter fixed value range selection, save labor and ensure the welding process discipline and welding quality.
Disclosure of Invention
The invention aims to provide a method, equipment, a medium and a device for identifying and switching fixed values of welding process parameters, so as to avoid misoperation of selecting the fixed value range of the process parameters, save labor and ensure the discipline of the welding process and the welding quality.
In order to achieve the above object, the present invention provides a method for identifying and switching fixed values of welding process parameters, wherein the welding process comprises at least one process step, and each process step comprises at least one process parameter, and the method comprises:
step 1: recording the fixed value range of each process parameter in each process step;
step 2: combining all the process steps with completely same fixed value ranges of all the process parameters and adjacent process steps into a fixed value group according to the sequence of the welding process steps, and forming a fixed value group list, wherein the fixed value group list at least comprises one fixed value group;
and step 3: extracting characteristic process parameters in each set value group, and forming a characteristic process parameter list corresponding to the set value group list, wherein the characteristic process parameters are any process parameters in the set value groups, which are different from the process parameter set value ranges in the adjacent set value groups;
and 4, step 4: activating a definite value group in the definite value group list to enable a definite value range in the definite value group to take effect, and taking the definite value range of each process parameter in the definite value group as the standard of the actual welding process parameter sampling value of the current working step;
and 5: collecting sampling values of each process parameter of the current working step in the welding equipment;
step 6: judging whether the sampling value of each process parameter is in a corresponding fixed value range in the fixed value set, if so, continuing to collect the next group of sampling values, and judging whether the next group of sampling values is in the corresponding fixed value range in the fixed value set;
and 7: if the sampling value exceeds the fixed value range, judging whether the currently activated fixed value group has a next fixed value group according to the fixed value group list, and if not, alarming and returning to the step 4;
and 8: and if the next set value group exists, extracting the characteristic process parameters of the next set value group from the characteristic process parameter list, judging whether the sampling values are in the set value range of the characteristic process parameters, if so, activating the next set value group and switching to the next set value group, otherwise, alarming and returning to the step 4.
Optionally, if the sampling value is within the fixed value range, continuing to collect the next group of sampling values includes:
if the sampling value is within the fixed value range, judging whether an external interrupt instruction is received, and if the external interrupt instruction is not received, continuously acquiring the next group of sampling values; and if an external interrupt instruction is received, stopping sampling and returning to the step 1.
Optionally, after continuously collecting the next set of sampling values and determining whether the next set of sampling values is within the range of the corresponding fixed values in the set of fixed values, the method further includes:
and if the next group of sampling values are still in the fixed value range, continuously collecting the next group of sampling values until the subsequent sampling values exceed the fixed value range and executing the step 7, or receiving an external interrupt instruction to stop sampling and returning to the step 1.
Optionally, the collecting the sampling value of each process parameter in the actual welding process of the step includes:
and collecting the sampling value of each process parameter in the current process step in real time, and simultaneously rejecting invalid sampling values according to a preset rule.
Optionally, the process parameters include a welding current value, an arc voltage value, a shielding gas flow rate, a wire feed speed, and a welding speed.
The present invention also proposes an electronic device, comprising:
at least one processor; and the number of the first and second groups,
a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the welding process parameter valued identification switching method of any of claims 1-5.
The present invention also contemplates a non-transitory computer readable storage medium storing computer instructions for causing a computer to perform the above-described welding process parameter set-point identification switching method.
The invention also provides a welding process parameter fixed value identification switching device, wherein the welding process comprises at least one process step, each process step comprises at least one process parameter, and the welding process parameter fixed value identification switching device comprises the following steps:
the system comprises a preprocessing module, a parameter setting module and a parameter setting module, wherein the preprocessing module is used for recording the fixed value range of each process parameter in each process step, combining all adjacent process steps with the same fixed value range of all process parameters into a fixed value group according to the sequence of welding process steps, forming a fixed value group list, selecting the characteristic process parameters in each fixed value group, and forming a characteristic process parameter list corresponding to the fixed value group list; the fixed value group list at least comprises one fixed value group, and the characteristic process parameter is any process parameter in the fixed value group, which is different from the fixed value range of the process parameter in the adjacent fixed value group;
the fixed value group activating module is used for activating one fixed value group in the fixed value group list to enable a fixed value range in the fixed value group to take effect, and the fixed value range of each process parameter in the fixed value group is used as a standard of the actual welding process parameter sampling value of the current step;
the process parameter acquisition module is used for acquiring the sampling value of each process parameter of the current working step in the welding equipment;
the process parameter identification and switching module is used for executing the following steps:
s1: judging whether the sampling value of each process parameter is in a corresponding fixed value range in the fixed value set, if so, continuing to collect the next group of sampling values through the collection module, and judging whether the next group of sampling values is in the corresponding fixed value range in the fixed value set;
s2: if the sampling value exceeds the fixed value range, judging whether the currently activated fixed value group has a next fixed value group according to the fixed value group list, and if not, alarming and reactivating the fixed value group through the fixed value group activation module;
s3: and if the next set value group exists, extracting the characteristic process parameters of the next set value group from the characteristic process parameter list, judging whether the sampling values are in the set value range of the characteristic process parameters, if so, activating and switching to the next set value group, otherwise, alarming and reactivating the set value group through the set value group activation module.
Optionally, the process parameter identification and switching module is further configured to perform:
when the sampling value is within the fixed value range, judging whether an external interrupt instruction is received, and if the external interrupt instruction is not received, continuing to collect the next group of sampling values; and if an external interrupt instruction is received, stopping sampling and reinitializing the welding process parameter fixed value identification switching device through the preprocessing module.
Optionally, the process parameter identification and switching module is further configured to perform:
and when the next group of sampling values are still in the fixed value range, continuously acquiring the next group of sampling values by the process parameter acquisition module until the subsequent sampling values exceed the fixed value range and executing the step S2, or receiving an external interrupt instruction to stop sampling and reinitializing the welding process parameter fixed value identification switching device by the preprocessing module.
The invention has the beneficial effects that:
the method comprises the steps of recording the fixed value range of each process parameter in each process step through preprocessing work, combining all adjacent process steps with the same fixed value range of all process parameters into a fixed value group to form a fixed value group list, extracting the characteristic process parameters in each fixed value group to form a characteristic process parameter list, activating the fixed value groups in the fixed value group list, judging whether the sampling value of each process parameter is in the corresponding fixed value range in the fixed value group, automatically identifying the fixed value range of the process parameter of each process step, automatically switching the fixed value range of the process parameter corresponding to the next process step, effectively reducing misoperation caused by manually selecting the fixed value range of the process parameter, saving manpower, and simultaneously ensuring welding process discipline and welding quality.
The apparatus of the present invention has other features and advantages which will be apparent from or are set forth in detail in the accompanying drawings and the following detailed description, which are incorporated herein, and which together serve to explain certain principles of the invention.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts.
Fig. 1 shows a flow chart of the steps of a welding process parameter rating identification switching method according to the present invention.
Detailed Description
The invention will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Fig. 1 shows a flow chart of the steps of a welding process parameter rating identification switching method according to the present invention.
As shown in fig. 1, according to the present invention, a welding process parameter constant value identification switching method, a welding process includes at least one process step, each process step includes at least one process parameter, and the method includes:
step 1: recording the fixed value range of each process parameter in each process step;
step 2: combining all the process steps with completely same fixed value ranges of all the process parameters and adjacent process steps into a fixed value group according to the sequence of the welding process steps, and forming a fixed value group list, wherein the fixed value group list at least comprises one fixed value group;
and step 3: extracting the characteristic process parameters in each set value group, and forming a characteristic process parameter list corresponding to the set value group list, wherein the characteristic process parameters are any process parameters in the set value groups, which are different from the process parameter set value ranges in the adjacent set value groups;
and 4, step 4: activating a definite value group in the definite value group list to enable a definite value range in the definite value group to take effect, and taking the definite value range of each process parameter in the definite value group as the standard of the actual welding process parameter sampling value of the current working step;
and 5: collecting sampling values of each process parameter of the current working step in the welding equipment;
step 6: judging whether the sampling value of each process parameter is in the corresponding fixed value range in the fixed value group, if so, continuing to collect the next group of sampling values, and judging whether the next group of sampling values is in the corresponding fixed value range in the fixed value group;
and 7: if the sampling value exceeds the range of the fixed value, judging whether the next fixed value group exists in the currently activated fixed value group according to the fixed value group list, and if not, alarming and returning to the step 4;
and 8: and if the next set value group exists, extracting the characteristic process parameters of the next set value group from the characteristic process parameter list, judging whether the sampling values are in the set value range of the characteristic process parameters, if so, activating the next set value group and switching to the next set value group, otherwise, alarming and returning to the step 4.
Specifically, through preprocessing work, the fixed value range of each process parameter in each process step is recorded, all the process steps with the same fixed value range of all the process parameters are combined into a fixed value group to form a fixed value group list, the characteristic process parameters in each fixed value group are extracted to form a characteristic process parameter list, the fixed value groups in the fixed value group list are activated, and whether the sampling value of each process parameter is in the corresponding fixed value range in the fixed value group is judged, so that the fixed value range of the process parameter of each process step is automatically identified, the fixed value range of the process parameter corresponding to the next process step is automatically switched, misoperation caused by manual selection of the fixed value range of the process parameter can be effectively reduced, manpower is saved, and meanwhile welding process discipline and welding quality can be guaranteed.
In one example, if the sample value is within the fixed value range, continuing to collect the next set of sample values comprises: if the sampling value is in the fixed value range, judging whether an external interrupt instruction is received, and if the external interrupt instruction is not received, continuously acquiring the next group of sampling values; and if an external interrupt instruction is received, stopping sampling and returning to the step 1.
In one example, after continuing to collect the next group of sampling values and determining whether the next group of sampling values is within the corresponding fixed value range in the fixed value group, the method further includes: and if the next group of sampling values are still in the fixed value range, continuously collecting the next group of sampling values until the subsequent sampling values exceed the fixed value range and executing the step 7, or receiving an external interrupt instruction to stop sampling and returning to the step 1.
In one example, collecting the sampled values for each process parameter during the actual welding process of a process step comprises: and collecting the sampling value of each process parameter in the current process step in real time, and simultaneously rejecting invalid sampling values according to a preset rule.
In one example, the process parameters include a welding current value, an arc voltage value, a shielding gas flow rate, a wire feed speed, and a welding speed.
An embodiment of the present invention further provides an electronic device, where the electronic device includes:
at least one processor; and the number of the first and second groups,
a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the welding process parameter set value identification switching method described above.
The present invention also contemplates a non-transitory computer readable storage medium storing computer instructions for causing a computer to perform the above-described welding process parameter set-point identification switching method.
The embodiment of the invention also provides a device for identifying and switching the fixed value of the welding process parameter, which comprises:
the preprocessing module is used for recording the fixed value range of each process parameter in each process step, combining all the process steps which have the same fixed value range and are adjacent into a fixed value group according to the sequence of the welding process steps, forming a fixed value group list, selecting the characteristic process parameters in each fixed value group, and forming a characteristic process parameter list corresponding to the fixed value group list; the characteristic process parameter is any process parameter in the fixed value group, which is different from the fixed value range of the process parameter in the adjacent fixed value group;
the fixed value group activation module is used for activating a fixed value group in the fixed value group list to enable a fixed value range in the fixed value group to take effect, and the fixed value range of each process parameter in the fixed value group is used as a standard of the actual welding process parameter sampling value of the current step;
the process parameter acquisition module is used for acquiring the sampling value of each process parameter of the current working step in the welding equipment;
the process parameter identification and switching module is used for executing the following steps:
s1: judging whether the sampling value of each process parameter is in the corresponding fixed value range in the fixed value group, if so, continuing to collect the next group of sampling values through the collection module, and judging whether the next group of sampling values is in the corresponding fixed value range in the fixed value group;
s2: if the sampling value exceeds the range of the fixed value, judging whether the next fixed value group exists in the currently activated fixed value group according to the fixed value group list, and if not, alarming and reactivating the fixed value group through the fixed value group activation module;
s3: and if the next set value group exists, extracting the characteristic process parameters of the next set value group from the characteristic process parameter list, judging whether the sampling values are in the set value range of the characteristic process parameters, if so, activating and switching to the next set value group, otherwise, alarming and reactivating the set value group through a set value group activation module.
Wherein, the process parameter identification and switching module is further used for executing: when the sampling value is within the fixed value range, judging whether an external interrupt instruction is received, and if the external interrupt instruction is not received, continuously acquiring the next group of sampling values; and if an external interrupt instruction is received, stopping sampling and re-initializing the welding process parameter fixed value identification switching device through the preprocessing module. And when the next group of sampling values are still in the fixed value range, continuing to acquire the next group of sampling values through the process parameter acquisition module until the subsequent sampling values exceed the fixed value range and executing the step S2, or receiving an external interrupt instruction to stop sampling and reinitializing the welding process parameter fixed value identification switching device through the preprocessing module.
Furthermore, the sampling module is in communication connection with the welding equipment, and can realize sampling of welding data in a communication interface sampling and circuit sampling mode.
Example (b):
the technical personnel in the field can develop corresponding software programs and devices of the welding process parameter fixed value identification switching device according to the scheme of the invention, realize the automatic identification and automatic switching of the welding process parameter fixed value, and the specific implementation process is as follows:
(1) work of pretreatment
a. Recording constant value range files of n steps in the welding procedure, such as:
step 1: { parameter 1 (lower limit, upper limit), parameter 2 (lower limit, upper limit), … parameter n (upper limit, lower limit) };
step 2: { parameter 1 (lower limit, upper limit), parameter 2 (lower limit, upper limit), … parameter n (upper limit, lower limit) };
step n: { parameter 1 (lower limit, upper limit), parameter 2 (lower limit, upper limit), … parameter n (upper limit, lower limit) }.
b. And combining the completely same constant value ranges of the adjacent process steps to form a constant value group list:
set of values 1: { parameter 1 (lower limit, upper limit), parameter 2 (lower limit, upper limit), … parameter n (upper limit, lower limit) };
set of values 2: { parameter 1 (lower limit, upper limit), parameter 2 (lower limit, upper limit), … parameter n (upper limit, lower limit) };
set value m: { parameter 1 (lower limit, upper limit), parameter 2 (lower limit, upper limit), … parameter n (upper limit, lower limit) };
there are m sets of fixed values, m is less than or equal to n.
c. Selecting characteristic process parameters
The characteristic process parameters refer to parameters with different ranges of process parameters of adjacent fixed value groups, and when a plurality of characteristic process parameters exist, one characteristic process parameter is randomly selected. After the selection of the characteristic process parameters is completed, a characteristic process parameter list is formed, such as:
{ definite value group 1 (characteristic process parameter 1), definite value group 2 (characteristic process parameter 2) …, definite value group n (characteristic process parameter n) };
(2) process set identification and switching process
a. A fixed value parameter range of the Set of values x (labeled Set [ x ]) is activated, validating the Set [ x ] parameter range. The default value of x is 1, and the modification can be manually carried out, wherein the modification range is that x is more than or equal to 1 and less than or equal to m.
b. And collecting process parameters in real time.
c. And preprocessing the collected process parameters and eliminating invalid process parameter sampling values.
d. Acquiring a first group of effective process parameter sampling values (marked as Samp [ k ], wherein k is equal to 1), comparing the Samp [ k ] with a Set [ x ] range, if the Samp [ k ] exceeds the Set [ x ] parameter range, carrying out alarm prompting, and returning to the step a of process Set value group identification and switching processing; if Samp [ k ] is within the Set [ x ], then the next Set of valid process parameters (labeled Samp [ k +1]) continues to be sampled.
e. And comparing the Samp [ k +1] with the Set [ x ], and if the Samp [ k +1] is in the range of the Set [ x ], continuously acquiring the next group of real-time parameters until the acquired group of real-time parameters (Samp [ n ]) exceed the range of the Set [ x ], or interrupting the preprocessing work after receiving an external instruction.
f. And d, judging whether x is equal to m, and returning to the step a of the process set value group identification and switching processing if x is equal to m. Otherwise, extracting the range of characteristic parameters (marked as F [ x +1]) in Set [ x +1] through the characteristic process parameter list, and judging whether the F [ x +1] sampling value in Samp [ n ] is in the range of F [ x +1 ]; if the process is not in the range, carrying out alarm prompting, and returning to the step a of identifying and switching the process set group; if the parameter is in the range, the switching of the constant value group is realized, and the range of the Set [ x +1] parameter is activated.
g. Continuously acquiring the next group of real-time data, and judging whether the group of data is in the range of Set [ x +1 ]; if the real-time data is within the range of the Set [ x +1], continuously acquiring the real-time data, and if the acquired real-time data is found to be beyond the range of the Set [ x +1], repeating the fixed value group identification and switching processing step f, or interrupting the preprocessing operation after receiving an external instruction.
The embodiment can automatically identify the process constant value range through the program and activate the process constant value range, thereby effectively reducing misoperation caused by manually selecting the constant value range, saving labor and simultaneously ensuring welding process discipline and welding quality.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.

Claims (10)

1. A welding process parameter fixed value identification switching method is disclosed, the welding process comprises at least one process step, each process step comprises at least one process parameter, and the method is characterized by comprising the following steps:
step 1: recording the fixed value range of each process parameter in each process step;
step 2: combining all the process steps with completely same fixed value ranges of all the process parameters and adjacent process steps into a fixed value group according to the sequence of the welding process steps, and forming a fixed value group list, wherein the fixed value group list at least comprises one fixed value group;
and step 3: extracting characteristic process parameters in each set value group, and forming a characteristic process parameter list corresponding to the set value group list, wherein the characteristic process parameters are any process parameters in the set value groups, which are different from the process parameter set value ranges in the adjacent set value groups;
and 4, step 4: activating a definite value group in the definite value group list to enable a definite value range in the definite value group to take effect, and taking the definite value range of each process parameter in the definite value group as the standard of the actual welding process parameter sampling value of the current working step;
and 5: collecting sampling values of each process parameter of the current working step in the welding equipment;
step 6: judging whether the sampling value of each process parameter is in a corresponding fixed value range in the fixed value set, if so, continuing to collect the next group of sampling values, and judging whether the next group of sampling values is in the corresponding fixed value range in the fixed value set;
and 7: if the sampling value exceeds the fixed value range, judging whether the currently activated fixed value group has a next fixed value group according to the fixed value group list, and if not, alarming and returning to the step 4;
and 8: and if the next set value group exists, extracting the characteristic process parameters of the next set value group from the characteristic process parameter list, judging whether the sampling values are in the set value range of the characteristic process parameters, if so, activating the next set value group and switching to the next set value group, otherwise, alarming and returning to the step 4.
2. The welding process parameter setting value identification switching method according to claim 1, wherein if the sampling value is within the setting value range, continuing to collect the next set of sampling values comprises:
if the sampling value is within the fixed value range, judging whether an external interrupt instruction is received, and if the external interrupt instruction is not received, continuously acquiring the next group of sampling values; and if an external interrupt instruction is received, stopping sampling and returning to the step 1.
3. The method for identifying and switching the fixed values of the welding process parameters according to claim 1, wherein after continuously collecting the next set of sampling values and determining whether the next set of sampling values are within the corresponding fixed value range in the fixed value sets, the method further comprises:
and if the next group of sampling values are still in the fixed value range, continuously collecting the next group of sampling values until the subsequent sampling values exceed the fixed value range and executing the step 7, or receiving an external interrupt instruction to stop sampling and returning to the step 1.
4. The welding process parameter fixed value identification switching method according to claim 1, wherein collecting the sampling value of each process parameter in the actual welding process of the process step comprises:
and collecting the sampling value of each process parameter in the current process step in real time, and simultaneously rejecting invalid sampling values according to a preset rule.
5. The method of claim 1, wherein said process parameters include a welding current value, an arc voltage value, a shielding gas flow rate, a wire feed speed, and a welding speed.
6. An electronic device, characterized in that the electronic device comprises:
at least one processor; and the number of the first and second groups,
a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the welding process parameter valued identification switching method of any of claims 1-5.
7. A non-transitory computer readable storage medium storing computer instructions for causing a computer to perform the welding process parameter set-point identification switching method of any one of claims 1-5.
8. A welding process parameter constant value identification switching device, wherein the welding process comprises at least one process step, each process step comprises at least one process parameter, and the device is characterized by comprising:
the system comprises a preprocessing module, a parameter setting module and a parameter setting module, wherein the preprocessing module is used for recording the fixed value range of each process parameter in each process step, combining all adjacent process steps with the same fixed value range of all process parameters into a fixed value group according to the sequence of welding process steps, forming a fixed value group list, selecting the characteristic process parameters in each fixed value group, and forming a characteristic process parameter list corresponding to the fixed value group list; the fixed value group list at least comprises one fixed value group, and the characteristic process parameter is any process parameter in the fixed value group, which is different from the fixed value range of the process parameter in the adjacent fixed value group;
the fixed value group activating module is used for activating one fixed value group in the fixed value group list to enable a fixed value range in the fixed value group to take effect, and the fixed value range of each process parameter in the fixed value group is used as a standard of the actual welding process parameter sampling value of the current step;
the process parameter acquisition module is used for acquiring the sampling value of each process parameter of the current working step in the welding equipment;
the process parameter identification and switching module is used for executing the following steps:
s1: judging whether the sampling value of each process parameter is in a corresponding fixed value range in the fixed value set, if so, continuing to collect the next group of sampling values through the collection module, and judging whether the next group of sampling values is in the corresponding fixed value range in the fixed value set;
s2: if the sampling value exceeds the fixed value range, judging whether the currently activated fixed value group has a next fixed value group according to the fixed value group list, and if not, alarming and reactivating the fixed value group through the fixed value group activation module;
s3: and if the next set value group exists, extracting the characteristic process parameters of the next set value group from the characteristic process parameter list, judging whether the sampling values are in the set value range of the characteristic process parameters, if so, activating and switching to the next set value group, otherwise, alarming and reactivating the set value group through the set value group activation module.
9. The welding process parameter setting value identification switching device of claim 8, wherein the process parameter identification and switching module is further configured to perform:
when the sampling value is within the fixed value range, judging whether an external interrupt instruction is received, and if the external interrupt instruction is not received, continuing to collect the next group of sampling values; and if an external interrupt instruction is received, stopping sampling and reinitializing the welding process parameter fixed value identification switching device through the preprocessing module.
10. The welding process parameter setting value identification switching device of claim 8, wherein the process parameter identification and switching module is further configured to perform:
and when the next group of sampling values are still in the fixed value range, continuously acquiring the next group of sampling values by the process parameter acquisition module until the subsequent sampling values exceed the fixed value range and executing the step S2, or receiving an external interrupt instruction to stop sampling and reinitializing the welding process parameter fixed value identification switching device by the preprocessing module.
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