CN115095798B - High-pressure straight pipe high-pressure anti-drop and high-pressure early warning method and system - Google Patents
High-pressure straight pipe high-pressure anti-drop and high-pressure early warning method and system Download PDFInfo
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- 238000004088 simulation Methods 0.000 claims description 28
- 239000012530 fluid Substances 0.000 claims description 19
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
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Abstract
The invention provides a high-pressure straight pipe high-pressure anti-drop and high-pressure early warning method and system, wherein the method comprises the following steps: monitoring pressure data inside the high-pressure straight pipe based on a preset monitoring device; analyzing the pressure data to determine the pressure-bearing condition of the high-pressure straight pipe; when the bearing value of the high-pressure straight pipe reaches a target bearing threshold value, alarm operation is carried out, and anti-falling protection is carried out on the high-pressure straight pipe based on a preset protection device. Through monitoring and analyzing the inside pressure data of high-pressure straight tube, the inside pressure condition of high-pressure straight tube is convenient for in real time effectual grasp to be convenient for in time take the anticreep measure when the pressure is too high, improved the withstand voltage degree of high-pressure straight tube, also be convenient for carry out effective management to the connection stability of high-pressure straight tube, promoted the factor of safety of use.
Description
Technical Field
The invention relates to the technical field of monitoring and early warning, in particular to a high-pressure straight pipe high-pressure anti-drop and high-pressure early warning method and system.
Background
At present, pipelines are adopted for conveying liquid, but if the conveying distance is too long, a plurality of pipelines are required to be connected;
The connection between the pipes is usually sleeved by adopting flange connection or adopting the mode of opening locking rings to hold the pipes tightly. The device provides great convenience for conveying liquid, but if the connection mode is unreasonable or the pressure of fluid in the pipeline is increased, the connection part of the pipeline is usually disconnected, so that the liquid leakage phenomenon is caused;
therefore, the invention provides a high-pressure straight pipe high-pressure anti-drop and high-pressure early warning method and system.
Disclosure of Invention
The invention provides a high-pressure straight pipe high-pressure anti-drop and high-pressure early warning method and system, which are used for monitoring and analyzing pressure data in the high-pressure straight pipe, so that the pressure condition in the high-pressure straight pipe can be effectively mastered in real time, anti-drop measures can be conveniently and timely taken when the pressure is too high, the pressure-resistant degree of the high-pressure straight pipe is improved, the connection stability of the high-pressure straight pipe can be effectively managed, and the safety coefficient of use is improved.
The invention provides a high-pressure straight pipe high-pressure anti-drop and high-pressure early warning method, which comprises the following steps:
step 1: monitoring pressure data inside the high-pressure straight pipe based on a preset monitoring device;
step 2: analyzing the pressure data to determine the pressure bearing value of the high-pressure straight pipe;
Step 3: when the bearing value of the high-pressure straight pipe reaches a target bearing threshold value, alarm operation is carried out, and anti-falling protection is carried out on the high-pressure straight pipe based on a preset protection device.
Preferably, in step 1, before monitoring pressure data inside the high-pressure straight pipe based on a preset monitoring device, the method further comprises:
acquiring internal structural characteristics of the inside of the high-pressure straight pipe, and determining target monitoring points for monitoring the high-pressure straight pipe based on the internal structural characteristics of the high-pressure straight pipe;
and setting the preset monitoring device based on the monitoring point.
Preferably, a high-pressure straight pipe high-pressure anti-drop and high-pressure early warning method determines a target monitoring point for monitoring the high-pressure straight pipe based on internal structural characteristics of the high-pressure straight pipe, including:
acquiring the internal structural characteristics of the high-pressure straight pipe, and constructing a simulation model of the inside of the high-pressure straight pipe in a computer based on a preset proportion based on the internal structural characteristics of the high-pressure straight pipe;
reading the simulation model, and determining the model shape of the simulation model and the joint structural characteristics of the joint of two adjacent simulation models;
Determining a pressure bearing position point of the high-pressure straight pipe based on the model shape, and determining a joint point of the high-pressure straight pipe based on joint structural features of joint positions of two adjacent simulation models;
taking the connecting point and the bearing position point as target monitoring points, and monitoring first monitoring data of the connecting point and second monitoring data of the bearing position point in real time based on a preset monitoring device arranged on the target monitoring points;
comparing the first monitoring data and the second monitoring data with standard data ranges respectively, and judging whether the monitoring points are qualified or not;
when the first monitoring data and the second monitoring data are in the standard data range, judging that the monitoring point is qualified;
otherwise, judging that the monitoring point is unqualified, and resetting the target monitoring point based on the model shape of the simulation model or the joint structural characteristics of the joint of the two adjacent simulation models.
Preferably, in step 1, pressure data inside the high-pressure straight pipe is monitored based on a preset monitoring device, and the method further comprises:
respectively acquiring device identifiers of each preset monitoring device, and simultaneously determining terminal identifiers of target management terminals;
Determining a communication protocol of the target management terminal based on the terminal identification, and carrying out communication link on each preset monitoring device and the target management terminal based on the communication protocol;
and establishing a sub-database in the target terminal based on the device identification of each preset device, and simultaneously transmitting the pressure intensity data to the corresponding sub-database in the target terminal based on the communication link.
Preferably, in step 2, the pressure data is analyzed to determine a bearing value of the high-pressure straight pipe, which includes:
acquiring historical pressure data and determining a target value of the historical pressure data, wherein the historical pressure data comprises pressure data corresponding to the high-pressure straight pipe in normal operation and pressure data when the high-pressure straight pipe falls off without a preset protection device;
acquiring physical structure and material properties of a high-pressure straight pipe, and modeling the high-pressure straight pipe according to a preset proportion based on the physical structure and the material properties to obtain a target physical model;
determining a pressure regulation range of the target physical model based on the target value of the historical pressure data, and introducing a corresponding target amount of fluid into the target physical model based on the pressure regulation range;
Monitoring the target physical model in real time based on the access result to obtain pressure-bearing data of the target physical model;
constructing a pipeline stress evaluation model and determining a stress evaluation index;
training the pipeline stress evaluation model based on the pressure-bearing evaluation index to obtain a target pipeline stress evaluation model, and inputting the pressure-bearing data into the target pipeline stress evaluation model;
processing the pressure bearing data based on the target stressed pipeline evaluation model to obtain pressure bearing values of the high-pressure straight pipe under different pressure values within the pressure regulation range;
a preset line graph is called, and the pressure value and the corresponding pressure bearing value are filled into the preset line graph to obtain a pressure bearing change curve of the high-pressure straight pipe;
deriving forward point by point based on the pressure-bearing change curve to obtain curvature values corresponding to pressure-bearing values in the pressure-bearing change curve, and determining pressure-bearing critical points of the high-pressure straight pipe based on the curvature values;
determining the highest bearing value of the high-pressure straight pipe based on the bearing critical point, and determining the bearing value range of the high-pressure straight pipe based on the highest bearing value;
recording the bearing values corresponding to different pressure values based on the bearing value range of the high-pressure straight pipe to obtain a bearing value recording table;
And acquiring pressure data in the high-pressure straight pipe, and matching the pressure data with the pressure bearing value record table to obtain a pressure bearing value corresponding to the pressure data.
Preferably, a high-pressure straight pipe high-pressure anti-drop and high-pressure early warning method comprises the following pressure-bearing evaluation indexes: the material of the high-pressure straight pipe, the thickness of the high-pressure straight pipe and the fluid quantity introduced into the high-pressure straight pipe in unit time.
Preferably, in step 2, before analyzing the pressure data, the method further includes:
determining an influence factor influencing the pressure change in the high-pressure straight pipe, and determining physical characteristics of the high-pressure straight pipe, wherein the influence factor is an environmental parameter in the high-pressure straight pipe;
analyzing the influence factors based on the physical characteristics of the high-pressure straight pipe, and determining the influence weight of the influence factors on the pressure change inside the high-pressure straight pipe;
based on the influence weight, determining an incidence relation between the influence factor and the internal pressure of the high-pressure straight pipe, and establishing a change function between the influence factor and the internal pressure based on the incidence relation;
acquiring the current environmental parameters inside the high-pressure straight pipe based on the influence factors, inputting the environmental parameters into the change function, and generating an objective function;
The objective function is used as a reference condition for analyzing the pressure data.
Preferably, in step 3, when the bearing value of the high-pressure straight pipe reaches the target bearing threshold, before the alarm operation, the method further includes:
recording the bearing value of the high-pressure straight pipe based on a preset time interval, and establishing a two-dimensional rectangular coordinate system by taking the preset time interval as an abscissa and the bearing value of the high-pressure straight pipe as an ordinate;
displaying the bearing value of the high-pressure straight pipe in the two-dimensional rectangular coordinate system based on the recording result, and determining the curve characteristic that the bearing value of the high-pressure straight pipe changes along with the preset time interval;
determining a change trend line of the bearing value based on the curve characteristic;
determining a reference line corresponding to the target bearing threshold value in the two-dimensional rectangular coordinate system, and setting a pre-judging alarm line in the two-dimensional rectangular coordinate system based on the reference line, wherein the pre-judging alarm line is smaller than the reference line;
the internal pressure change of the high-pressure straight pipe is prejudged according to the change trend line of the pressure bearing value and the prejudgment alarm line;
And when the change trend line is intersected with the pre-judging alarm line, performing pre-alarming operation.
Preferably, in step 3, when the bearing value of the high-pressure straight pipe reaches a target bearing threshold, an alarm operation is performed, and the high-pressure straight pipe is subjected to anti-falling protection based on a preset protection device, including:
when the bearing value of the high-pressure straight pipe reaches the target bearing threshold value, triggering an alarm instruction, and carrying out alarm operation according to the alarm instruction;
when the preset protection device receives the alarm operation, acquiring the circumference of the high-pressure straight pipe and the joint of the high-pressure straight pipe, and simultaneously determining the flow of fluid in the high-pressure straight pipe;
determining a target working position of the preset protection device based on the joint of the high-pressure straight pipe, and determining the working force of the preset protection device based on the circumference of the high-pressure straight pipe and the flow of fluid in the high-pressure straight pipe;
and generating a control instruction based on the target working position and the working force, and controlling the preset protection device to conduct anti-falling protection on the high-pressure straight pipe based on the control instruction.
Preferably, a high-pressure straight pipe high-pressure anticreep and high-pressure early warning system includes:
the data acquisition module is used for monitoring pressure data in the high-pressure straight pipe based on a preset monitoring device;
the data analysis module is used for analyzing the pressure data and determining the pressure bearing value of the high-pressure straight pipe;
and the protection module is used for carrying out alarm operation when the bearing value of the high-pressure straight pipe reaches a target bearing threshold value and carrying out anti-falling protection on the high-pressure straight pipe based on a preset protection device.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a flow chart of a high-pressure straight pipe high-pressure anti-drop and high-pressure early warning method in an embodiment of the invention;
FIG. 2 is a flowchart of step 1 in a high-pressure straight pipe high-pressure anti-drop and high-pressure early warning method according to an embodiment of the present invention;
fig. 3 is a block diagram of a high-pressure anti-drop and high-pressure early warning system for a high-pressure straight pipe in an embodiment of the invention.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
Example 1:
the embodiment provides a high-pressure straight pipe high-pressure anti-drop and high-pressure early warning method, which is characterized by comprising the following steps:
step 1: monitoring pressure data inside the high-pressure straight pipe based on a preset monitoring device;
step 2: analyzing the pressure data to determine the pressure bearing value of the high-pressure straight pipe;
step 3: when the bearing value of the high-pressure straight pipe reaches a target bearing threshold value, alarm operation is carried out, and anti-falling protection is carried out on the high-pressure straight pipe based on a preset protection device.
In this embodiment, the preset monitoring device is set in advance, and is used for monitoring pressure data inside the high-pressure straight pipe.
In this embodiment, the pressure data is used to characterize the pressure inside the high pressure straight tube.
In this embodiment, the pressure bearing value of the high-pressure straight pipe refers to a case where the inside of the high-pressure straight pipe changes with an increase in pressure.
In this embodiment, the target bearing threshold is set in advance to characterize the highest bearing capacity of the high pressure straight tube, exceeding which indicates that the high pressure straight tube is at risk of disconnection.
In this embodiment, the preset protection device is set in advance, and is used for continuously protecting the high-pressure straight pipe when the pressure inside the high-pressure straight pipe exceeds the target bearing threshold value, so as to play a role in preventing falling.
The beneficial effects of the technical scheme are as follows: through monitoring and analyzing the inside pressure data of high-pressure straight tube, the inside pressure condition of high-pressure straight tube is convenient for in real time effectual grasp to be convenient for in time take the anticreep measure when the pressure is too high, improved the withstand voltage degree of high-pressure straight tube, also be convenient for carry out effective management to the connection stability of high-pressure straight tube, promoted the factor of safety of use.
Example 2:
on the basis of the above embodiment 1, the present embodiment provides a high-pressure straight pipe high-pressure anti-drop and high-pressure early warning method, as shown in fig. 2, in step 1, before monitoring pressure data inside the high-pressure straight pipe based on a preset monitoring device, the method further includes:
Step 101: acquiring internal structural characteristics of the inside of the high-pressure straight pipe, and determining target monitoring points for monitoring the high-pressure straight pipe based on the internal structural characteristics of the high-pressure straight pipe;
step 102: and setting the preset monitoring device based on the monitoring point.
In this embodiment, the internal structural features refer to the internal connection relationship of the high-pressure straight pipe and the internal structure of the high-pressure straight pipe.
In this embodiment, the target monitoring point is used to monitor the position of the high-pressure straight pipe, so as to facilitate real-time acquisition of pressure data of the high-pressure straight pipe.
The beneficial effects of the technical scheme are as follows: through confirming the internal structure characteristic of high-pressure straight tube to realize confirming effectual monitoring point in the high-pressure straight tube, be convenient for carry out the control of also called to the inside pressure data of high-pressure straight tube, thereby improved the efficiency of anticreep protection to the high-pressure straight tube.
Example 3:
on the basis of embodiment 2 above, this embodiment provides a high-pressure straight pipe high-pressure anti-drop and high-pressure early warning method, determines a target monitoring point for monitoring the high-pressure straight pipe based on internal structural characteristics of the high-pressure straight pipe, including:
acquiring the internal structural characteristics of the high-pressure straight pipe, and constructing a simulation model of the inside of the high-pressure straight pipe in a computer based on a preset proportion based on the internal structural characteristics of the high-pressure straight pipe;
Reading the simulation model, and determining the model shape of the simulation model and the joint structural characteristics of the joint of two adjacent simulation models;
determining a pressure bearing position point of the high-pressure straight pipe based on the model shape, and determining a joint point of the high-pressure straight pipe based on joint structural features of joint positions of two adjacent simulation models;
taking the connecting point and the bearing position point as target monitoring points, and monitoring first monitoring data of the connecting point and second monitoring data of the bearing position point in real time based on a preset monitoring device arranged on the target monitoring points;
comparing the first monitoring data and the second monitoring data with standard data ranges respectively, and judging whether the monitoring points are qualified or not;
when the first monitoring data and the second monitoring data are in the standard data range, judging that the monitoring point is qualified;
otherwise, judging that the monitoring point is unqualified, and resetting the target monitoring point based on the model shape of the simulation model or the joint structural characteristics of the joint of the two adjacent simulation models.
In the embodiment, the simulation model means that the high-pressure straight pipe is subjected to simulation by a computer, so that the running state of the high-pressure straight pipe under different pressure conditions is effectively analyzed.
In this embodiment, the model shape refers to the external shape characteristics used to characterize the simulated high pressure straight tube.
In this embodiment, the connection structural features of the connection positions of the high-pressure straight pipes refer to connection relationships and connection modes between the high-pressure straight pipes which are connected and simulated in the simulation model.
In this embodiment, the bearing position point refers to the main force point of the high-pressure straight pipe bearing pressure.
In this embodiment, the junction points refer to the junction points of adjacent high pressure straight tubes.
In this embodiment, the first monitoring data refers to monitoring data obtained after monitoring the engagement points of the high-pressure straight pipe.
In this embodiment, the second monitoring data refers to monitoring data obtained after monitoring the bearing position point of the high-pressure straight pipe.
In this embodiment, the standard data range is set in advance, and is used for measuring whether the monitoring data of the edge corner point of the high-pressure straight pipe and the monitoring data of the bearing as the supporting point are normal.
The beneficial effects of the technical scheme are as follows: through carrying out the simulation to the high-pressure straight tube according to the internal structure characteristic of high-pressure straight tube, effectively confirm the target monitoring point of high-pressure straight tube according to the corner point and the pressure-bearing position point of high-pressure straight tube simultaneously to be convenient for realize effectively obtaining the pressure-bearing data of high-pressure straight tube, take the anticreep measure to the high-pressure straight tube in time to provide convenience.
Example 4:
based on the foregoing embodiment 1, the present embodiment provides a high-pressure straight pipe high-pressure anti-drop and high-pressure early warning method, in step 1, based on monitoring pressure data inside a high-pressure straight pipe by a preset monitoring device, further including:
respectively acquiring device identifiers of each preset monitoring device, and simultaneously determining terminal identifiers of target management terminals;
determining a communication protocol of the target management terminal based on the terminal identification, and carrying out communication link on each preset monitoring device and the target management terminal based on the communication protocol;
and establishing a sub-database in the target terminal based on the device identification of each preset device, and simultaneously transmitting the pressure intensity data to the corresponding sub-database in the target terminal based on the communication link.
In this embodiment, the device identifier is used to mark different preset monitoring devices and is used to distinguish the positions of the different preset monitoring devices.
In this embodiment, the terminal identifier is used to mark different management terminals, and by using the identifier, the type and the management type of the corresponding management terminal can be quickly and accurately determined.
In this embodiment, the communication protocol is used to define a data transmission mode between the preset monitoring device and the management terminal.
In this embodiment, the sub-database is used to store data information monitored by different preset monitoring devices.
The beneficial effects of the technical scheme are as follows: through the identification according to different preset monitoring devices and management terminals, the communication protocol between the two is accurately acquired, and meanwhile, a sub-database of each preset monitoring device is built at the management terminal, so that the data monitored by each preset monitoring device are conveniently stored only, the guarantee and convenience are provided for accurately analyzing the current pressure-bearing condition of the high-pressure straight pipe, and meanwhile, the convenience is also provided for timely taking anti-drop measures.
Example 5:
on the basis of the above embodiment 1, the present embodiment provides a high-pressure straight pipe high-pressure anti-drop and high-pressure early warning method, in step 2, the analyzing the pressure data to determine the bearing value of the high-pressure straight pipe includes:
acquiring historical pressure data and determining a target value of the historical pressure data, wherein the historical pressure data comprises pressure data corresponding to the high-pressure straight pipe in normal operation and pressure data when the high-pressure straight pipe falls off without a preset protection device;
acquiring physical structure and material properties of a high-pressure straight pipe, and modeling the high-pressure straight pipe according to a preset proportion based on the physical structure and the material properties to obtain a target physical model;
Determining a pressure regulation range of the target physical model based on the target value of the historical pressure data, and introducing a corresponding target amount of fluid into the target physical model based on the pressure regulation range;
monitoring the target physical model in real time based on the access result to obtain pressure-bearing data of the target physical model;
constructing a pipeline stress evaluation model and determining a stress evaluation index;
training the pipeline stress evaluation model based on the pressure-bearing evaluation index to obtain a target pipeline stress evaluation model, and inputting the pressure-bearing data into the target pipeline stress evaluation model;
processing the pressure bearing data based on the target stressed pipeline evaluation model to obtain pressure bearing values of the high-pressure straight pipe under different pressure values within the pressure regulation range;
a preset line graph is called, and the pressure value and the corresponding pressure bearing value are filled into the preset line graph to obtain a pressure bearing change curve of the high-pressure straight pipe;
deriving forward point by point based on the pressure-bearing change curve to obtain curvature values corresponding to pressure-bearing values in the pressure-bearing change curve, and determining pressure-bearing critical points of the high-pressure straight pipe based on the curvature values;
Determining the highest bearing value of the high-pressure straight pipe based on the bearing critical point, and determining the bearing value range of the high-pressure straight pipe based on the highest bearing value;
recording the bearing values corresponding to different pressure values based on the bearing value range of the high-pressure straight pipe to obtain a bearing value recording table;
and acquiring pressure data in the high-pressure straight pipe, and matching the pressure data with the pressure bearing value record table to obtain a pressure bearing value corresponding to the pressure data.
In this embodiment, the pressure-bearing evaluation index includes: the material of the high-pressure straight pipe, the thickness of the high-pressure straight pipe and the fluid quantity introduced into the high-pressure straight pipe in unit time.
In this embodiment, the historical pressure data is set in advance, and is used for performing simulation analysis on the pressure bearing condition of the high-pressure straight pipe.
In this embodiment, the target value refers to the value size corresponding to the historical pressure data.
In this embodiment, the preset protection device is set in advance, and is used for protecting the high-pressure straight pipe, so as to achieve the purpose of preventing falling.
In this embodiment, the physical structure refers to the shape, material thickness, and the like of the high-pressure straight pipe.
In this embodiment, the material property may be a kind of material used to characterize the high-pressure straight tube, so as to implement accurate simulation of the high-pressure straight tube.
In this embodiment, the preset ratio is set in advance, and is used to normalize the size of the simulation model.
In this embodiment, the target physical model refers to a model obtained after continuing to perform physical modeling on the high-pressure straight pipe.
In this embodiment, the target amount of fluid refers to the amount of liquid that is introduced into the high pressure straight tube.
In this embodiment, the pressure-bearing data refers to the condition that the high-pressure straight pipe bears pressure after the fluid is introduced into the high-pressure straight pipe.
In this embodiment, the target pipeline stress evaluation model refers to a final model obtained by training or optimizing the constructed pipeline stress evaluation model according to the pressure-bearing evaluation index.
In this embodiment, the preset line graph is preset in advance, and is a line graph template for recording pressure bearing values corresponding to different pressure data.
In this embodiment, the bearing critical point refers to the bearing value from bearing to release of the high pressure straight pipe.
The beneficial effects of the technical scheme are as follows: by acquiring historical pressure data and carrying out a pressure test on a constructed target physical model through the historical pressure data, the pressure bearing capacity value corresponding to different pressure data of the high-pressure straight pipe is effectively confirmed, the accuracy and the accuracy of confirming the pressure bearing value of the high-pressure straight pipe are improved, meanwhile, the pressure bearing value corresponding to different pressure data is recorded, the current pressure bearing value inside the high-pressure straight pipe is accurately judged according to the pressure data inside the current high-pressure straight pipe, convenience and guarantee are provided for accurately analyzing whether the disconnection risk exists in the high-pressure straight pipe, measures are conveniently and timely taken, and the anti-drop timeliness is improved.
Example 6:
on the basis of the above embodiment 1, this embodiment provides a high-pressure straight pipe high-pressure anti-drop and high-pressure early warning method, in step 2, before analyzing the pressure data, the method further includes:
determining an influence factor influencing the pressure change in the high-pressure straight pipe, and determining physical characteristics of the high-pressure straight pipe, wherein the influence factor is an environmental parameter in the high-pressure straight pipe;
analyzing the influence factors based on the physical characteristics of the high-pressure straight pipe, and determining the influence weight of the influence factors on the pressure change inside the high-pressure straight pipe;
based on the influence weight, determining an incidence relation between the influence factor and the internal pressure of the high-pressure straight pipe, and establishing a change function between the influence factor and the internal pressure based on the incidence relation;
acquiring the current environmental parameters inside the high-pressure straight pipe based on the influence factors, inputting the environmental parameters into the change function, and generating an objective function;
the objective function is used as a reference condition for analyzing the pressure data.
In this embodiment, the influencing factor refers to an environmental factor influencing the pressure inside the high-pressure straight pipe, specifically, the temperature inside the high-pressure straight pipe, and the like.
In this embodiment, the physical characteristics refer to the structure of the high-pressure straight pipe, the pipe wall thickness, and the like.
In this embodiment, the impact weight refers to the severity of the impact of different impact factors on the internal pressure of the high pressure straight tube.
In this embodiment, the change function is used to characterize the change relationship between the impact factor and the pressure.
In this embodiment, the objective function refers to a final expression obtained after verifying the generated change function.
In the embodiment, the reference condition refers to that the analysis of the pressure data in the high-pressure straight pipe is realized through an objective function, and is a reference basis for the analysis of the pressure in the high-pressure straight pipe.
The beneficial effects of the technical scheme are as follows: by determining the influence factors on the pressure inside the high-pressure straight pipe, the correlation between the pressure and the influence factors is accurately determined, convenience is provided for accurately determining the pressure inside the high-pressure straight pipe, and the accuracy of pressure data analysis is ensured.
Example 7:
on the basis of the above embodiment 1, this embodiment provides a high-pressure straight pipe high-pressure anti-drop and high-pressure early warning method, in step 3, when the bearing value of the high-pressure straight pipe reaches a target bearing threshold value, before the alarm operation, the method further includes:
Recording the bearing value of the high-pressure straight pipe based on a preset time interval, and establishing a two-dimensional rectangular coordinate system by taking the preset time interval as an abscissa and the bearing value of the high-pressure straight pipe as an ordinate;
displaying the bearing value of the high-pressure straight pipe in the two-dimensional rectangular coordinate system based on the recording result, and determining the curve characteristic that the bearing value of the high-pressure straight pipe changes along with the preset time interval;
determining a change trend line of the bearing value based on the curve characteristic;
determining a reference line corresponding to the target bearing threshold value in the two-dimensional rectangular coordinate system, and setting a pre-judging alarm line in the two-dimensional rectangular coordinate system based on the reference line, wherein the pre-judging alarm line is smaller than the reference line;
the internal pressure change of the high-pressure straight pipe is prejudged according to the change trend line of the pressure bearing value and the prejudgment alarm line;
and when the change trend line is intersected with the pre-judging alarm line, performing pre-alarming operation.
In this embodiment, the preset time interval is set in advance, and is used for intermittently determining the bearing value inside the high-pressure straight pipe.
In this embodiment, the curve characteristic refers to the magnitude of the change in the bearing value of the high-pressure straight roller at different times.
In this embodiment, the reference line refers to a straight line corresponding to the target bearing value in a two-dimensional rectangular coordinate system.
In this embodiment, the pre-judgment alarm line refers to the maximum bearing value that is used to characterize the acceptance of the high pressure straight pipe.
In this embodiment, the pre-alarm operation refers to reminding the management terminal when the pressure bearing value inside the high-pressure straight pipe is about to reach the pre-judgment alarm line.
The beneficial effects of the technical scheme are as follows: the bearing values of the high-pressure straight pipe at different time points are determined, the image visualization is carried out on the bearing values of the high-pressure straight pipe, and meanwhile, the target bearing threshold value of the high-pressure straight pipe is used as a datum line to be synchronously visualized in a coordinate system, so that the pre-warning operation is conveniently carried out when the bearing value inside the high-pressure straight pipe is about to exceed the datum line, the efficiency of timely protecting the high-pressure straight pipe is improved, and the efficient anti-drop operation of the high-pressure straight pipe is completed.
Example 8:
on the basis of the above embodiment 1, the present embodiment provides a high-pressure straight pipe high-pressure anti-drop and high-pressure early warning method, in step 3, when a bearing value of the high-pressure straight pipe reaches a target bearing threshold value, alarm operation is performed, and anti-drop protection is performed on the high-pressure straight pipe based on a preset protection device, including:
When the bearing value of the high-pressure straight pipe reaches the target bearing threshold value, triggering an alarm instruction, and carrying out alarm operation according to the alarm instruction;
when the preset protection device receives the alarm operation, acquiring the circumference of the high-pressure straight pipe and the joint of the high-pressure straight pipe, and simultaneously determining the flow of fluid in the high-pressure straight pipe;
determining a target working position of the preset protection device based on the joint of the high-pressure straight pipe, and determining the working force of the preset protection device based on the circumference of the high-pressure straight pipe and the flow of fluid in the high-pressure straight pipe;
and generating a control instruction based on the target working position and the working force, and controlling the preset protection device to conduct anti-falling protection on the high-pressure straight pipe based on the control instruction.
In this embodiment, the junction refers to the junction of adjacent high pressure straight pipes.
In this embodiment, the flow rate of the fluid inside the high-pressure straight pipe refers to the volume of the fluid inside the high-pressure straight pipe.
In this embodiment, the working force refers to the degree to which the preset protection device needs to reinforce the high-pressure straight pipe.
In this embodiment, the target working position refers to the installation position of the preset protection device, that is, the connection position of the adjacent high-pressure straight pipes.
The beneficial effects of the technical scheme are as follows: through the current flow of inside the high-pressure straight pipe and the perimeter of the high-pressure straight pipe are determined when the alarm occurs, the working force of the preset protection device is effectively confirmed, and therefore the anti-drop effect and the force of the high-pressure straight pipe are improved.
Example 9:
on the basis of embodiment 8 above, this embodiment provides a high-pressure straight pipe high-pressure anti-drop and high-pressure early warning method, and determines the flow of fluid inside the high-pressure straight pipe, including:
the method comprises the specific steps of obtaining the inner diameter of a circular tube of a high-pressure straight tube, calculating the flow in the high-pressure straight tube based on the inner diameter of the circular tube, and calculating the pressure value of the joint of the high-pressure straight tube based on the flow, wherein the specific steps comprise:
calculating the flow in the high-pressure straight pipe according to the following formula:
wherein Q represents the flow in the high-pressure straight pipe; r represents the inner diameter of a circular tube of the high-pressure straight tube; alpha represents the pipe wall shear stress of the high-pressure straight pipe, and the unit is Pa; τ represents the yield value of the fluid inside the high-pressure straight pipe and is given in Pa;representing the shear stress of a flow layer in the high-pressure straight pipe, wherein the unit is Pa; />Represents the shear rate and has the unit s -1 The method comprises the steps of carrying out a first treatment on the surface of the Delta represents a constant, and is generally 5;
Based on the formula, when the flow in the high-pressure straight pipe is known, performing inverse function solution on the formula to obtain the pipe wall shear stress of the high-pressure straight pipe, wherein the specific formula is as follows;
calculating the pressure value of the joint of the high-pressure straight pipe according to the following formula:
wherein P represents the pressure value of the joint of the high-pressure straight pipe; μ represents an error coefficient, and the value range is (0.02, 0.05); w represents the pressure value of the inlet of the high-pressure straight pipe; l represents the length of the high-pressure straight pipe; r represents the radius value of the high-pressure straight pipe; alpha represents the pipe wall shear stress of the high-pressure straight pipe, and the unit is Pa; s represents the cross-sectional area of the high-pressure straight pipe;
comparing the calculated pressure value with a preset pressure value;
if the pressure value is smaller than or equal to the preset pressure value, judging that the high-pressure straight pipe is not in a disconnection risk;
otherwise, judging that the high-pressure straight pipe has a disconnection risk, and sending a control instruction to a preset protection device;
and controlling the preset protection device to conduct anti-falling protection on the joint of the high-pressure straight pipe based on the control instruction.
In this embodiment, the preset pressure value is set in advance, and is used to measure whether the current pressure value exceeds the maximum bearing pressure of the high-pressure straight pipe.
The beneficial effects of the technical scheme are as follows: through calculating the inside flow of high-pressure straight tube, realize carrying out accurate calculation to the pressure value of high-pressure straight tube junction to be convenient for in time control when the pressure value is too big presets protection device and carries out the anticreep protection to high-pressure straight tube, improved the effect of anticreep protection.
Example 10:
the embodiment provides a high-pressure straight pipe high-pressure anti-drop and high-pressure early warning system, as shown in fig. 3, including:
the data acquisition module is used for monitoring pressure data in the high-pressure straight pipe based on a preset monitoring device;
the data analysis module is used for analyzing the pressure data and determining the pressure bearing value of the high-pressure straight pipe;
and the protection module is used for carrying out alarm operation when the bearing value of the high-pressure straight pipe reaches a target bearing threshold value and carrying out anti-falling protection on the high-pressure straight pipe based on a preset protection device.
The beneficial effects of the technical scheme are as follows: through monitoring and analyzing the inside pressure data of high-pressure straight tube, the inside pressure condition of high-pressure straight tube is convenient for in real time effectual grasp to be convenient for in time take the anticreep measure when the pressure is too high, improved the withstand voltage degree of high-pressure straight tube, also be convenient for carry out effective management to the connection stability of high-pressure straight tube, promoted the factor of safety of use.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (9)
1. The high-pressure straight pipe high-pressure anti-drop and high-pressure early warning method is characterized by comprising the following steps of:
step 1: monitoring pressure data inside the high-pressure straight pipe based on a preset monitoring device;
step 2: determining an influence factor influencing the pressure change in the high-pressure straight pipe, and determining physical characteristics of the high-pressure straight pipe, wherein the influence factor is an environmental parameter in the high-pressure straight pipe; analyzing the influence factors based on the physical characteristics of the high-pressure straight pipe, and determining the influence weight of the influence factors on the pressure change inside the high-pressure straight pipe; based on the influence weight, determining an incidence relation between the influence factor and the internal pressure of the high-pressure straight pipe, and establishing a change function between the influence factor and the internal pressure based on the incidence relation; acquiring the current environmental parameters inside the high-pressure straight pipe based on the influence factors, inputting the environmental parameters into the change function, and generating an objective function; taking the objective function as a reference condition for analyzing the pressure data; analyzing the pressure data to determine the pressure bearing value of the high-pressure straight pipe;
Step 3: when the bearing value of the high-pressure straight pipe reaches a target bearing threshold value, alarm operation is carried out, and anti-falling protection is carried out on the high-pressure straight pipe based on a preset protection device.
2. The method for preventing high pressure drop and early warning of high pressure in a high pressure straight pipe according to claim 1, wherein in step 1, before monitoring pressure data inside the high pressure straight pipe based on a preset monitoring device, the method further comprises:
acquiring internal structural characteristics of the inside of the high-pressure straight pipe, and determining target monitoring points for monitoring the high-pressure straight pipe based on the internal structural characteristics of the high-pressure straight pipe;
and setting the preset monitoring device based on the monitoring point.
3. The high-pressure straight pipe high-pressure anti-drop and high-pressure early warning method according to claim 2, characterized in that determining a target monitoring point for monitoring the high-pressure straight pipe based on the internal structural characteristics of the high-pressure straight pipe comprises:
acquiring the internal structural characteristics of the high-pressure straight pipe, and constructing a simulation model of the inside of the high-pressure straight pipe in a computer based on a preset proportion based on the internal structural characteristics of the high-pressure straight pipe;
reading the simulation model, and determining the model shape of the simulation model and the joint structural characteristics of the joint of two adjacent simulation models;
Determining a pressure bearing position point of the high-pressure straight pipe based on the model shape, and determining a joint point of the high-pressure straight pipe based on joint structural features of joint positions of two adjacent simulation models;
taking the connecting point and the bearing position point as target monitoring points, and monitoring first monitoring data of the connecting point and second monitoring data of the bearing position point in real time based on a preset monitoring device arranged on the target monitoring points;
comparing the first monitoring data and the second monitoring data with standard data ranges respectively, and judging whether the monitoring points are qualified or not;
when the first monitoring data and the second monitoring data are in the standard data range, judging that the monitoring point is qualified;
otherwise, judging that the monitoring point is unqualified, and resetting the target monitoring point based on the model shape of the simulation model or the joint structural characteristics of the joint of the two adjacent simulation models.
4. The method for preventing high pressure drop and early warning of high pressure in a high pressure straight pipe according to claim 1, wherein in step 1, pressure data inside the high pressure straight pipe is monitored based on a preset monitoring device, further comprising:
Respectively acquiring device identifiers of each preset monitoring device, and simultaneously determining terminal identifiers of target management terminals;
determining a communication protocol of the target management terminal based on the terminal identification, and carrying out communication link on each preset monitoring device and the target management terminal based on the communication protocol;
and establishing a sub-database in the target terminal based on the device identification of each preset device, and simultaneously transmitting the pressure intensity data to the corresponding sub-database in the target terminal based on the communication link.
5. The method for high-pressure disconnection prevention and high-pressure early warning of a high-pressure straight pipe according to claim 1, wherein in the step 2, the pressure data is analyzed to determine the pressure bearing value of the high-pressure straight pipe, and the method comprises the following steps:
acquiring historical pressure data and determining a target value of the historical pressure data, wherein the historical pressure data comprises pressure data corresponding to the high-pressure straight pipe in normal operation and pressure data when the high-pressure straight pipe falls off without a preset protection device;
acquiring physical structure and material properties of a high-pressure straight pipe, and modeling the high-pressure straight pipe according to a preset proportion based on the physical structure and the material properties to obtain a target physical model;
Determining a pressure regulation range of the target physical model based on the target value of the historical pressure data, and introducing a corresponding target amount of fluid into the target physical model based on the pressure regulation range;
monitoring the target physical model in real time based on the access result to obtain pressure-bearing data of the target physical model;
constructing a pipeline stress evaluation model and determining a stress evaluation index;
training the pipeline stress evaluation model based on the pressure-bearing evaluation index to obtain a target pipeline stress evaluation model, and inputting the pressure-bearing data into the target pipeline stress evaluation model;
processing the pressure bearing data based on the target stressed pipeline evaluation model to obtain pressure bearing values of the high-pressure straight pipe under different pressure values within the pressure regulation range;
a preset line graph is called, and the pressure value and the corresponding pressure bearing value are filled into the preset line graph to obtain a pressure bearing change curve of the high-pressure straight pipe;
deriving forward point by point based on the pressure-bearing change curve to obtain curvature values corresponding to pressure-bearing values in the pressure-bearing change curve, and determining pressure-bearing critical points of the high-pressure straight pipe based on the curvature values;
Determining the highest bearing value of the high-pressure straight pipe based on the bearing critical point, and determining the bearing value range of the high-pressure straight pipe based on the highest bearing value;
recording the bearing values corresponding to different pressure values based on the bearing value range of the high-pressure straight pipe to obtain a bearing value recording table;
and acquiring pressure data in the high-pressure straight pipe, and matching the pressure data with the pressure bearing value record table to obtain a pressure bearing value corresponding to the pressure data.
6. The method for high-pressure disconnection prevention and high-pressure early warning of a high-pressure straight pipe according to claim 5, wherein the pressure-bearing evaluation index comprises: the material of the high-pressure straight pipe, the thickness of the high-pressure straight pipe and the fluid quantity introduced into the high-pressure straight pipe in unit time.
7. The method for high-pressure disconnection prevention and high-pressure early warning of a high-pressure straight pipe according to claim 1, wherein in step 3, when the bearing value of the high-pressure straight pipe reaches a target bearing threshold value, before the alarm operation, the method further comprises:
recording the bearing value of the high-pressure straight pipe based on a preset time interval, and establishing a two-dimensional rectangular coordinate system by taking the preset time interval as an abscissa and the bearing value of the high-pressure straight pipe as an ordinate;
Displaying the bearing value of the high-pressure straight pipe in the two-dimensional rectangular coordinate system based on the recording result, and determining the curve characteristic that the bearing value of the high-pressure straight pipe changes along with the preset time interval;
determining a change trend line of the bearing value based on the curve characteristic;
determining a reference line corresponding to the target bearing threshold value in the two-dimensional rectangular coordinate system, and setting a pre-judging alarm line in the two-dimensional rectangular coordinate system based on the reference line, wherein the pre-judging alarm line is smaller than the reference line;
the internal pressure change of the high-pressure straight pipe is prejudged according to the change trend line of the pressure bearing value and the prejudgment alarm line;
and when the change trend line is intersected with the pre-judging alarm line, performing pre-alarming operation.
8. The method for preventing high pressure drop and early warning of high pressure straight pipe according to claim 1, wherein in step 3, when the bearing value of the high pressure straight pipe reaches the target bearing threshold, an alarm operation is performed, and the high pressure straight pipe is prevented from dropping based on a preset protection device, comprising:
when the bearing value of the high-pressure straight pipe reaches the target bearing threshold value, triggering an alarm instruction, and carrying out alarm operation according to the alarm instruction;
When the preset protection device receives the alarm operation, acquiring the circumference of the high-pressure straight pipe and the joint of the high-pressure straight pipe, and simultaneously determining the flow of fluid in the high-pressure straight pipe;
determining a target working position of the preset protection device based on the joint of the high-pressure straight pipe, and determining the working force of the preset protection device based on the circumference of the high-pressure straight pipe and the flow of fluid in the high-pressure straight pipe;
and generating a control instruction based on the target working position and the working force, and controlling the preset protection device to conduct anti-falling protection on the high-pressure straight pipe based on the control instruction.
9. The utility model provides a high pressure straight tube high pressure anticreep and high pressure early warning system which characterized in that includes:
the data acquisition module is used for monitoring pressure data in the high-pressure straight pipe based on a preset monitoring device;
the data analysis module is used for determining an influence factor influencing the pressure change in the high-pressure straight pipe and determining physical characteristics of the high-pressure straight pipe, wherein the influence factor is an environmental parameter in the high-pressure straight pipe; analyzing the influence factors based on the physical characteristics of the high-pressure straight pipe, and determining the influence weight of the influence factors on the pressure change inside the high-pressure straight pipe; based on the influence weight, determining an incidence relation between the influence factor and the internal pressure of the high-pressure straight pipe, and establishing a change function between the influence factor and the internal pressure based on the incidence relation; acquiring the current environmental parameters inside the high-pressure straight pipe based on the influence factors, inputting the environmental parameters into the change function, and generating an objective function; taking the objective function as a reference condition for analyzing the pressure data; analyzing the pressure data to determine the pressure bearing value of the high-pressure straight pipe;
And the protection module is used for carrying out alarm operation when the bearing value of the high-pressure straight pipe reaches a target bearing threshold value and carrying out anti-falling protection on the high-pressure straight pipe based on a preset protection device.
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Denomination of invention: A high-pressure straight pipe high-pressure anti detachment and high-pressure warning method and system Granted publication date: 20231031 Pledgee: China Construction Bank Jianhu sub branch Pledgor: YANCHENG XUDONG MACHINERY Co.,Ltd. Registration number: Y2024980031875 |