CN116399408B - Safety monitoring system based on casing head processing information - Google Patents
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Abstract
The application provides a safety monitoring system based on casing head processing information, relates to the technical field of safety monitoring parties, and is used for solving the problem that potential safety hazards in the processing process cannot be judged, and comprises a monitoring end; the monitoring end comprises a monitoring unit and a data processing unit; the method comprises the steps that a monitoring unit monitors n casing heads in the machining process to obtain the time t1 of the first casing head in the embryo casting process, a data processing unit obtains the proportion of alloy in the casing head mixed pouring liquid in the time t1, obtains the total melting time of each alloy, and obtains the melting point temperature of each metal and the total melting time of each metal according to different types of each alloy, wherein the melting cost is obtained; the application is based on monitoring the casing head processing process, acquiring the processing conditions of a plurality of groups of casing heads in the processing process, analyzing the casing head processing process based on different processing information, and judging the casing head processing safety.
Description
Technical Field
The application relates to the technical field of processing monitoring, in particular to a safety monitoring system based on casing head processing information.
Background
Casing head, be used for fixed well head of drilling well promptly, connect well head casing string for support the gravity of technical sleeve pipe and reservoir sleeve pipe, sealed each inter-layer annular space provides transitional coupling for installation preventer, tubing head, christmas tree, and through two side mouths on the casing head body, can carry out construction operations such as makeup extrusion mud, control and filling balanced liquid, need monitor the casing head to casing head course of working.
In the prior art, in the process of monitoring a casing head, potential safety hazards are generated in the process of mixing and processing metals in different proportions, effective judgment cannot be carried out based on the change generated after mixing, meanwhile, the mixing proportion is different in manufacturing cost, and the production of the casing head cannot be carried out by selecting a proper proportion and a mixing proportion with low manufacturing cost.
Disclosure of Invention
Aiming at the defects existing in the prior art, the application aims to provide a safety monitoring system based on casing head processing information.
In order to achieve the above object, the present application is realized by the following technical scheme: a safety monitoring system based on casing head processing information comprises a monitoring end, an alarm end and a controller;
the monitoring end comprises a monitoring unit, a data processing unit and a data judging unit;
the controller controls the monitoring unit to monitor n casing heads in the machining process to obtain the time T1 of the first casing head used in the casting process, the data processing unit obtains the proportion of alloy in the mixed casting liquid of the casing heads in the time period T1, obtains the time T1 of generating the mixed casting liquid, obtains the temperature change value of each metal in the melting process in the casing head machining process in the time period T1, obtains the total time of melting each alloy, obtains the melting point temperature of each metal and the total time of melting each metal according to different types of each alloy, and obtains the melting cost to obtain the first casing melting cost value;
in the process of mixing the molten metal, the splashing height of the mixed metal is obtained, and a splashing reference value cz1 is obtained according to the splashing height and the splashing times;
the method comprises the steps that the maximum splashing times of a casing head in the processing process are set based on a controller, a splashing critical reference value is obtained according to the maximum splashing times and the splashing height, the minimum splashing critical reference value is defined as a safety judgment value, and the safety judgment value is transmitted to a data judgment unit;
obtaining a plurality of splash reference values according to the processed sleeve heads;
and arranging the obtained splash reference values in a sequence from small to large, comparing the splash reference values after the arrangement with a safety judgment value by a data judgment unit, judging that the casing head is safe in the processing process if the splash reference values are smaller than the safety judgment value, judging that the casing head is dangerous in the processing process if the splash reference values are larger than the safety judgment value, and sending an alarm through an alarm terminal.
Further, in the process of acquiring the splash reference value, the first splash height, the second splash height and the third splash height are set according to the splash height of the mixed metal, if the splash height reaches the third splash height, the splash times reaching the first splash height are counted to obtain the splash times of c1, the splash times reaching the second splash height are counted to obtain the splash times of c2, the splash times reaching the third splash height are counted to obtain the splash times of c3, and the splash reference value cz1 is acquired according to the splash height and the splash times.
Further, the safety judgment value is obtained specifically as follows:
setting a1 to the first sputtering height, a2 to the second sputtering height, and a3 to the third sputtering height;
cz1=a1×c1+a2×c2+a3×c3;
in the liquid mixing process, the maximum value of the splashing times at the first splashing height is e1, the maximum value of the splashing times at the second splashing height is e2, the maximum value of the splashing times at the third splashing height is e3, and when c1 is more than e1, c2 is more than e2 or c3 is more than e3, the mixing danger is judged;
acquiring a splash reference critical value cz1 at the first splash height, then cz1=a1×e1;
acquiring a splash reference critical value cz2 at the second splash height, then cz2=a2×e2;
acquiring a splash reference critical value cz3 at a third splash height, then cz3=a3×e3;
the minimum splash critical reference values are obtained by arranging the splash critical reference values in order from small to large, and the minimum splash critical reference values are defined as safety judgment values.
Further, setting the time used by the second casing head in the casting process as T2, acquiring the proportion of alloy in the mixed casting liquid of the casing head in the T2 time period by the data processing unit, acquiring the time T2 for generating the mixed casting liquid, respectively acquiring the temperature change value of each metal in the melting process of the casing head in the T2 time period, acquiring the total time of melting each alloy, setting the alloy types of the casing head in the casting process as q, acquiring the melting point temperature of each metal and the total time of melting each metal, acquiring the melting cost to obtain q melting costs, and summing the q melting costs to obtain a second casing melting cost value cb2;
in the process of mixing the molten metal, acquiring the splashing height of the mixed metal, setting a first splashing height, a second splashing height and a third splashing height according to the splashing height of the mixed metal, counting the splashing times reaching the first splashing height, the first splashing height and the third splashing height if the splashing height reaches the third splashing height, and acquiring a splashing reference value cz2 according to the splashing height and the splashing times;
thereby respectively obtaining splash reference values in the process of processing the 3 rd to the nth casing heads to obtain cz3, cz4 … … cz z1 ；
Thereby respectively obtaining cost values in the processes of processing the 3 rd casing head to the nth casing head to obtain cb3, cb4 … … cb z1 。
Further, the number of the casing heads which are safe to process is obtained, s casing heads are obtained, each casing head is numbered, and the number is respectively 1, 2, 3 and … … s, and s is a positive integer;
and taking the abscissa as a time value and the ordinate as a temperature value, acquiring the temperature change value of each casing head in the processing process, expressing a plurality of temperature change values in a plane rectangular coordinate system in a coordinate point mode, and smoothly connecting the temperature change values in a curve to form a temperature change curve graph.
Further, generating a plurality of temperature change graphs in a planar rectangular coordinate system based on the temperature change value of each casing head;
the corresponding serial numbers are marked on each temperature change curve graph, the temperature change is observed through the temperature curve graph, if the temperature change curve has a descending trend in the processing process, the temperature change is judged to be abnormal, the processing is not suitable, the corresponding casing head is defined as unqualified processing, and the temperature curve which is not suitable for the processing is marked;
if the temperature change curve has a discontinuous rising trend, judging that the casing head is heated unevenly in the processing process, and marking a corresponding temperature curve graph;
and detecting the finished casing head product obtained by the unlabeled graph, obtaining a surface picture of the casing head after the machining is finished, observing according to the surface picture, and observing defect information of the casing head in the surface picture.
Further, the defect information comprises scratches and concave bulges, and the defect value qx is obtained according to the friction force inside the combination casing head of the scratches and the bulges;
observing scratches on the surface of the casing head, if no scratches exist, assigning 0 to the scratches, if the scratches exist, assigning v to the scratches, acquiring the total number of concave protrusions, assigning w to the total number of concave protrusions, measuring the friction inside the casing head, assigning fc to the measured values, and acquiring the defect values;
the weight deviation value of the casing head is obtained, and when the weight deviation value is obtained, the concrete steps are as follows:
measuring casing heads without marks one by one to obtain weight values, arranging the measured weight values in a sequence from small to large, removing the minimum weight and the maximum weight values, adding the residual weights to obtain an average value, obtaining a weight average value, carrying out difference between the obtained weight values and the weight average value, selecting the positive number after difference as a difference value, and obtaining the casing manufacturing value based on the difference value and the defect value.
Further, in analyzing the manufacturing value of the sleeve, the following is concrete:
arranging the obtained sleeve manufacturing values in a descending order, dividing the arranged values into a first detection interval and a second detection interval according to the arrangement order, judging that the sleeve manufacturing value in the first detection interval is a qualified manufacturing value, and the produced sleeve head is a qualified product, and judging that the sleeve head is a unqualified product;
and acquiring the cost value of the casing head of the qualified product, selecting the casing head corresponding to the minimum cost value, acquiring the mixing proportion of the casing head in the manufacturing process, conveying the mixture to a controller, and controlling a control module to adjust the mixing proportion of the alloy in the casing head processing process by the controller.
The application has the beneficial effects that:
1. the application is based on monitoring the processing course of the casing head, obtaining the processing condition of a plurality of groups of casing heads in the processing course, analyzing the processing course of the casing heads based on different processing information, judging the processing safety of the casing heads, detecting the casing heads after the processing is finished, determining the mixing proportion of the casing heads in the processing course according to the detection interval combined with the cost value of the casing heads, and adjusting the mixing proportion of the casing heads in the processing course.
2. According to the application, in the process of analyzing the defect information, different assignments are selected according to the defect information corresponding to different defects in assignment, different weight divisions in division are distinguished according to the different assignments, and the defect value of the casing head is obtained by calculating the assigned value.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic block diagram of a safety monitoring system based on casing head processing information in accordance with the present application;
FIG. 2 is a diagram of steps in a safety monitoring system based on casing head processing information according to the present application.
Detailed Description
The application is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the application easy to understand.
In the present application, referring to fig. 1 and 2, a safety monitoring system based on casing head processing information includes a monitoring end, an alarm end, a control module and a controller, wherein the monitoring end, the alarm end and the control module are respectively connected with the controller;
the monitoring end comprises a monitoring unit, a data processing unit and a data judging unit;
the controller controls the monitoring unit to monitor n casing heads in the machining process, n=1, 2 and 3 … … z1, z1 are positive integers, the time used by the first casing head in the casting process is set to be T1, the data processing unit obtains the proportion of alloy in the mixed casting liquid of the casing heads in the time period T1, obtains the time T1 for generating the mixed casting liquid, obtains temperature change values respectively for the temperature change of each metal in the melting process of the casing heads in the time period T1, obtains the total time of melting each alloy, sets the alloy types of the casing heads in the casting process to be q, q=1 and 2 … … z2, z2 are positive integers, obtains q melting costs according to the different types of each alloy, sums the melting temperature of each metal and the total melting time of each metal, and obtains a first casing melting cost value cb1 by summing the q melting costs;
in the metal mixing process after melting, acquiring the splashing height of the mixed metal, setting a first splashing height, a second splashing height and a third splashing height according to the splashing height of the mixed metal, counting the splashing times reaching the first splashing height to obtain c1 times, counting the times reaching the second splashing height to obtain c2 times, counting the times reaching the third splashing height to obtain c3 times, and acquiring a splashing reference value cz1 according to the combined splashing times of the splashing heights;
wherein the first splash height is less than the second splash height, and the second splash height is less than the third splash height;
the splash reference value is obtained specifically as follows:
setting a1 to the first sputtering height, a2 to the second sputtering height, and a3 to the third sputtering height;
cz1=a1×c1+a2×c2+a3×c3;
setting the maximum value of the number of splashing times at the first splashing height as e1, the maximum value of the number of splashing times at the second splashing height as e2, and the maximum value of the number of splashing times at the third splashing height as e3, and e1 > e2 > e3, and judging the mixing danger when c1 > e1, c2 > e2 or c3 > e3 in the liquid mixing process.
Acquiring a splash reference critical value cz1 at the first splash height, then cz1=a1×e1;
acquiring a splash reference critical value cz2 at the second splash height, then cz2=a2×e2;
acquiring a splash reference critical value cz3 at a third splash height, then cz3=a3×e3;
the splash critical reference values are arranged in order from small to large to obtain the minimum splash critical reference value, the minimum splash critical reference value is defined as a safety judgment value, and the safety judgment value is transmitted to a data judgment unit;
wherein the first splash height is between 0 and 3cm, the second splash height is between 3 and 8cm, and the third splash height is not less than 8cm;
setting the time used by the second casing head in the casting process as T2, acquiring the proportion of alloy in the mixed casting liquid of the casing head in the T2 time period by the data processing unit, acquiring the time T2 for generating the mixed casting liquid, respectively acquiring the temperature change value of each metal in the melting process of the casing head in the T2 time period, acquiring the total time of melting each alloy, setting q alloy types of the casing head in the casting process, acquiring the melting point temperature of each metal and the total time of melting each metal, acquiring the melting cost to obtain q melting costs, and summing the q melting costs to obtain a second casing melting cost value cb2;
in the process of mixing the molten metal, acquiring the splashing height of the mixed metal, setting a first splashing height, a second splashing height and a third splashing height according to the splashing height of the mixed metal, counting the splashing times reaching the first splashing height, the first splashing height and the third splashing height if the splashing height reaches the third splashing height, and acquiring a splashing reference value cz2 according to the splashing height and the splashing times;
and if the splashing height is lower than the third splashing height, judging that the casing head metal solution is safe in the mixing process.
Thereby respectively obtaining splash reference values in the process of processing the 3 rd to the nth casing heads to obtain cz3, cz4 … … cz z1 ；
Thereby respectively obtaining cost values in the processes of processing the 3 rd casing head to the nth casing head to obtain cb3, cb4 … … cb z1 ；
The obtained splash reference values are arranged in sequence from small to large, the data judging unit receives the arranged splash reference values and compares the splash reference values with the safety judging value, if the splash reference values are smaller than the safety judging value, the safety of the casing head in the machining process is judged, if the splash reference values are larger than the safety judging value, the risk of the casing head in the machining process is judged, an alarm is sent out through an alarm terminal, and the alarm terminal is provided with an alarm and sends out an alarm through the alarm.
Obtaining the number of the safe processing casing heads to obtain s casing heads, numbering each casing head to be 1, 2, 3 and … … s, wherein s is a positive integer;
and taking the abscissa as a time value and the ordinate as a temperature value, acquiring the temperature change value of each casing head in the processing process, expressing a plurality of temperature change values in a plane rectangular coordinate system in a coordinate point mode, and smoothly connecting the temperature change values in a curve to form a temperature change curve graph.
Generating a plurality of temperature change graphs in a plane rectangular coordinate system based on the temperature change value of each casing head;
the corresponding serial numbers are marked on each temperature change curve graph, the temperature change is observed through the temperature curve graph, if the temperature change curve has a descending trend in the processing process, the temperature change is judged to be abnormal, the processing is not suitable, the corresponding casing head is defined as unqualified processing, and the temperature curve which is not suitable for the processing is marked;
if the temperature change curve has a discontinuous rising trend, judging that the casing head is heated unevenly in the processing process, and marking a corresponding temperature curve graph;
detecting a finished casing head product obtained by an unlabeled graph, obtaining a surface picture of the casing head after processing is completed, observing according to the surface picture, and observing defect information of the casing head in the surface picture;
the defect information comprises scratches and concave bulges, and a defect value qx is obtained according to the friction force inside the combination casing head of the scratches and the bulges;
observing scratches on the surface of the casing head, if no scratches exist, assigning 0 to the scratches, assigning v to the scratches if the scratches exist, assigning 1 to the scratches if the lengths of the scratches are 0-3mm, v=1, assigning 2 to the scratches if the lengths of the scratches are 3-6mm, v=2, assigning 5 to the scratches if the lengths of the scratches are greater than 6mm, v=5, obtaining the total number of concave protrusions, assigning w to the scratches, assigning fc to the measured values if the total number is 2, measuring w=2, and assigning fc to the measured values if the friction force is between 0 and 0.5N, fc=3 if the friction force is between 0.5 and 1N, and fc=8 if the friction force is greater than 1N;
for obtaining the defect value, refer to the following formula:
qx=v+w+fc；
the weight deviation value of the casing head is obtained, and when the weight deviation value is obtained, the concrete steps are as follows:
measuring casing heads without marks one by one to obtain weight values, arranging the measured weight values in a sequence from small to large, removing the minimum weight and the maximum weight values, adding the rest weights to obtain an average value, obtaining a weight average value, carrying out difference between the obtained weight values and the weight average value, selecting the positive number after difference as a difference value, and obtaining a casing manufacturing value based on the difference value and the defect value;
when the sleeve manufacturing value is obtained, the following is concrete:
setting the difference value to be cy, and setting the sleeve manufacturing value to be tz, wherein tz=qx×cy;
arranging the obtained sleeve manufacturing values in a descending order, dividing the arranged values into a first detection interval and a second detection interval according to the arrangement order, wherein the sleeve manufacturing value in the first detection interval is between [0 and 3], judging that the sleeve manufacturing value in the first detection interval is a qualified manufacturing value, and the produced sleeve head is a qualified product, and the produced sleeve head is a disqualified product in the second detection interval, acquiring the cost value of the sleeve head of the qualified product, selecting the sleeve head corresponding to the minimum cost value, acquiring the mixing proportion of the sleeve head in the manufacturing process, conveying the mixture to a controller, and controlling a control module by the controller to regulate the mixing proportion of alloy in the sleeve head processing process.
In another embodiment, based on another concept of the same application, a monitoring method of a safety monitoring system based on casing head processing information is provided, and the monitoring method specifically comprises the following steps:
step S1: monitoring n casing heads in the machining process, setting the time used by a first casing head in the casting process as T1, acquiring the proportion of alloy in the mixed casting liquid of the casing heads in the time period T1 by a data processing unit, acquiring the time T1 for generating the mixed casting liquid, respectively acquiring the temperature change of each metal in the melting process of the casing heads in the machining process of the casing heads in the time period T1 to obtain a temperature change value, acquiring the total time of melting each alloy, and acquiring the melting point temperature of each metal and the total time of melting each metal according to different types of each alloy, so as to obtain a first casing melting cost value;
in analyzing the temperature change value, the following is specific:
step S11: taking an abscissa as a time value and a ordinate as a temperature value, acquiring a temperature change value of each casing head in the processing process, expressing a plurality of temperature change values in a plane rectangular coordinate system in a coordinate point mode, and smoothly connecting the temperature change values in a curve to form a temperature change curve graph;
step S12: generating a plurality of temperature change graphs in a plane rectangular coordinate system based on the temperature change value of each casing head;
the corresponding serial numbers are marked on each temperature change curve graph, the temperature change is observed through the temperature curve graph, if the temperature change curve has a descending trend in the processing process, the temperature change is judged to be abnormal, the processing is not suitable, the corresponding casing head is defined as unqualified processing, and the temperature curve which is not suitable for the processing is marked;
step S13: if the temperature change curve has a discontinuous rising trend, judging that the casing head is heated unevenly in the processing process, and marking a corresponding temperature curve graph;
in step S13, detecting the casing head finished product obtained by the unlabeled graph, obtaining a surface picture of the casing head after the processing is completed, observing according to the surface picture, observing defect information of the casing head in the surface picture, and obtaining a casing manufacturing value based on the defect information in combination with a difference value of the weight of the casing after the manufacturing is completed and an internal friction value;
when the sleeve manufacturing value is obtained, the following is concrete:
step S131: the defect information comprises scratches and concave bulges, and a defect value qx is obtained according to the friction force inside the combination casing head of the scratches and the bulges;
step S132: measuring casing heads without marks one by one to obtain weight values, arranging the measured weight values in a sequence from small to large, eliminating the minimum weight value and the maximum weight value, adding the residual weights to obtain an average value, and obtaining a weight average value;
step S133: carrying out difference solving on the obtained weight values and the weight average value, selecting the positive number after the difference solving as a difference solving difference value, and obtaining a sleeve manufacturing value based on the difference solving difference value and the defect value;
step S2: in the metal mixing process after melting, acquiring the splashing height of the mixed metal, setting a first splashing height, a second splashing height and a third splashing height according to the splashing height of the mixed metal, counting the splashing times reaching the first splashing height to obtain c1 times, counting the times reaching the second splashing height to obtain c2 times, counting the times reaching the third splashing height to obtain c3 times, and acquiring a splashing reference value cz1 according to the combined splashing times of the splashing heights;
step S3: thereby respectively obtaining splash reference values in the processing process of the 2 nd to nth casing heads to obtain cz2, cz3 … … cz z1 The method comprises the steps of carrying out a first treatment on the surface of the Respectively obtaining cost values in the 2 nd to nth casing head processing processes to obtain cb2, cb3 … … cb z1 ；
Step S4: the splash critical reference values are arranged in order from small to large to obtain the minimum splash critical reference value, the minimum splash critical reference value is defined as a safety judgment value, and the safety judgment value is transmitted to a data judgment unit;
step S5: and arranging the obtained splash reference values in a sequence from small to large, comparing the splash reference values after the arrangement with a safety judgment value by a data judgment unit, judging that the casing head is safe in the processing process if the splash reference values are smaller than the safety judgment value, judging that the casing head is dangerous in the processing process if the splash reference values are larger than the safety judgment value, and sending an alarm through an alarm terminal.
The above formulas are all formulas for removing dimensions and taking numerical calculation, the formulas are formulas for obtaining the latest real situation by collecting a large amount of data and performing software simulation, preset parameters in the formulas are set by a person skilled in the art according to the actual situation, if weight coefficients and proportion coefficients exist, the set sizes are specific numerical values obtained by quantizing the parameters, the subsequent comparison is convenient, and the proportional relation between the weight coefficients and the proportion coefficients is not influenced as long as the proportional relation between the parameters and the quantized numerical values is not influenced.
In the foregoing embodiments of the present application, the descriptions of the embodiments are emphasized, and for a portion of this disclosure that is not described in detail in this embodiment, reference is made to the related descriptions of other embodiments.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media having computer-usable program code embodied therein. The storage medium may be implemented by any type or combination of volatile or nonvolatile Memory devices, such as static random access Memory (Static Random Access Memory, SRAM), electrically erasable Programmable Read-Only Memory (Electrically Erasable Programmable Read-Only Memory, EEPROM), erasable Programmable Read-Only Memory (Erasable Programmable Read Only Memory, EPROM), programmable Read-Only Memory (PROM), read-Only Memory (ROM), magnetic Memory, flash Memory, magnetic disk, or optical disk. These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
The above examples are only specific embodiments of the present application, and are not intended to limit the scope of the present application, but it should be understood by those skilled in the art that the present application is not limited thereto, and that the present application is described in detail with reference to the foregoing examples: any person skilled in the art may modify or easily conceive of the technical solution described in the foregoing embodiments, or perform equivalent substitution of some of the technical features, while remaining within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application, and are intended to be included in the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (6)
1. The safety monitoring system based on casing head processing information is characterized by comprising a monitoring end, an alarm end and a controller;
the monitoring end comprises a monitoring unit, a data processing unit and a data judging unit;
the controller controls the monitoring unit to monitor n casing heads in the machining process to obtain the time T1 of the first casing head used in the embryo casting process, the data processing unit obtains the proportion of alloy in the mixed casting liquid of the casing heads in the time period T1, obtains the time T1 of generating the mixed casting liquid, and obtains the temperature change value respectively for the temperature change of each metal in the melting process in the casing head machining process in the time period T1;
obtaining the total time of melting each alloy, and obtaining the melting point temperature of each metal and the total time of melting each metal according to different types of each alloy, and obtaining the melting cost to obtain a first sleeve melting cost value;
in the process of mixing the molten metal, the splashing height of the mixed metal is obtained, and a splashing reference value cz1 is obtained according to the splashing height and the splashing times;
the controller sets the maximum splashing times of the casing head in the processing process, obtains a splashing critical reference value according to the maximum splashing times and the splashing height, defines the minimum splashing critical reference value as a safety judgment value, and transmits the safety judgment value to the data judgment unit;
obtaining a plurality of splash reference values according to the processed sleeve heads;
arranging the obtained splash reference values in a sequence from small to large, comparing the splash reference values after the arrangement with a safety judgment value by a data judgment unit, judging that the casing head is safe in the processing process if the splash reference values are smaller than the safety judgment value, judging that the casing head is dangerous in the processing process if the splash reference values are larger than the safety judgment value, and sending an alarm through an alarm terminal;
in the process of acquiring the splashing reference value, setting a first splashing height, a second splashing height and a third splashing height according to the splashing height of the mixed metal, counting the splashing times reaching the first splashing height if the splashing height reaches the third splashing height, obtaining the splashing times being c1, counting the times reaching the second splashing height, obtaining the splashing times being c2, counting the times reaching the third splashing height, obtaining the splashing times being c3, and acquiring the splashing reference value cz1 according to the splashing height combined with the splashing times;
setting the time used by the second casing head in the casting process as T2, acquiring the proportion of alloy in the mixed casting liquid of the casing head in the T2 time period by the data processing unit, acquiring the time T2 for generating the mixed casting liquid, respectively acquiring the temperature change value of each metal in the melting process of the casing head in the T2 time period, acquiring the total time of melting each alloy, setting q alloy types of the casing head in the casting process, acquiring the melting point temperature of each metal and the total time of melting each metal, acquiring the melting cost to obtain q melting costs, and summing the q melting costs to obtain a second casing melting cost value cb2;
in the process of mixing the molten metal, acquiring the splashing height of the mixed metal, setting a first splashing height, a second splashing height and a third splashing height according to the splashing height of the mixed metal, counting the splashing times reaching the first splashing height, the first splashing height and the third splashing height if the splashing height reaches the third splashing height, and acquiring a splashing reference value cz2 according to the splashing height and the splashing times;
the splash reference values in the process of processing the 3 rd to nth casing heads are respectively obtained to obtain cz3 and cz4 … … cz 1;
the cost values during the 3 rd to nth casing head machining processes are obtained respectively, and cb3 and cb4 … … cbz1 are obtained.
2. The casing head processing information-based safety monitoring system according to claim 1, wherein the safety judgment value is obtained specifically as follows:
setting a1 to the first sputtering height, a2 to the second sputtering height, and a3 to the third sputtering height;
cz1=a1×c1+a2×c2+a3×c3;
in the liquid mixing process, the maximum value of the splashing times at the first splashing height is e1, the maximum value of the splashing times at the second splashing height is e2, the maximum value of the splashing times at the third splashing height is e3, and when c1 is more than e1, c2 is more than e2 or c3 is more than e3, the mixing danger is judged;
acquiring a splash reference critical value cz1 at the first splash height, then cz1=a1×e1;
acquiring a splash reference critical value cz2 at the second splash height, then cz2=a2×e2;
acquiring a splash reference critical value cz3 at a third splash height, then cz3=a3×e3;
the minimum splash critical reference values are obtained by arranging the splash critical reference values in order from small to large, and the minimum splash critical reference values are defined as safety judgment values.
3. The safety monitoring system based on casing head processing information according to claim 1, wherein the number of casing heads for processing safety is obtained to obtain s casing heads, each casing head is numbered, and the number is respectively 1, 2, 3 and … … s, and s is a positive integer;
and taking the abscissa as a time value and the ordinate as a temperature value, acquiring the temperature change value of each casing head in the processing process, expressing a plurality of temperature change values in a plane rectangular coordinate system in a coordinate point mode, and smoothly connecting the temperature change values in a curve to form a temperature change curve graph.
4. A casing head processing information based safety monitoring system according to claim 3, wherein a plurality of temperature change graphs are generated in a planar rectangular coordinate system based on the temperature change value of each casing head;
the corresponding serial numbers are marked on each temperature change curve graph, the temperature change is observed through the temperature curve graph, if the temperature change curve has a descending trend in the processing process, the temperature change is judged to be abnormal, the processing is not suitable, the corresponding casing head is defined as unqualified processing, and the temperature curve which is not suitable for the processing is marked;
if the temperature change curve has a discontinuous rising trend, judging that the casing head is heated unevenly in the processing process, and marking a corresponding temperature curve graph;
and detecting the finished casing head product obtained by the unlabeled graph, obtaining a surface picture of the casing head after the machining is finished, observing according to the surface picture, and observing defect information of the casing head in the surface picture.
5. The safety monitoring system based on casing head processing information according to claim 4, wherein the defect information comprises scratches and concave protrusions, and the defect value qx is obtained according to the friction force inside the casing head combined by the scratches and the protrusions;
observing scratches on the surface of the casing head, if no scratches exist, assigning 0 to the scratches, if the scratches exist, assigning v to the scratches, acquiring the total number of concave protrusions according to the lengths of the scratches, assigning w to the total number of concave protrusions, measuring friction inside the casing head, assigning fc to the measured values, and acquiring the defect values;
for obtaining the defect value, refer to the following formula:
qx＝v+w+fc；
the weight deviation value of the casing head is obtained, and when the weight deviation value is obtained, the concrete steps are as follows:
measuring casing heads without marks one by one to obtain weight values, arranging the measured weight values in a sequence from small to large, removing the minimum weight and the maximum weight values, adding the rest weights to obtain an average value, obtaining a weight average value, carrying out difference between the obtained weight values and the weight average value, selecting the positive number after difference as a difference value, and obtaining a casing manufacturing value based on the difference value and the defect value;
when the sleeve manufacturing value is obtained, the following is concrete: setting the difference value of the difference to be cy, and sleeving
The manufacturing value is tz, then tz=qx×cy.
6. The casing head processing information based safety monitoring system of claim 5, wherein the casing manufacturing values are analyzed as follows:
arranging the obtained sleeve manufacturing values in a descending order, dividing the arranged values into a first detection interval and a second detection interval according to the arrangement order, judging that the sleeve manufacturing value in the first detection interval is a qualified manufacturing value, and the produced sleeve head is a qualified product, and judging that the sleeve head is a unqualified product;
and acquiring the cost value of the casing head of the qualified product, selecting the casing head corresponding to the minimum cost value, acquiring the mixing proportion of the casing head in the manufacturing process, conveying the mixture to a controller, and controlling a control module to adjust the mixing proportion of the alloy in the casing head processing process by the controller.
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