CN115095798A - 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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- 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
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Abstract
The invention provides a high-pressure straight pipe high-pressure anti-drop and high-pressure early warning method and a high-pressure early warning 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; and when the pressure bearing value of the high-pressure straight pipe reaches a target pressure bearing threshold value, performing alarm operation, and performing anti-falling protection on the high-pressure straight pipe based on a preset protection device. Through monitoring and analysis to the inside pressure data of high pressure straight tube, be convenient for in real time effectually master the inside pressure condition of high pressure straight tube to be convenient for in time take the anticreep measure when pressure is too high, improved the withstand voltage degree of high pressure straight tube, also be convenient for effectively manage the connection stability of high pressure straight tube, promoted the factor of safety of using.
Description
Technical Field
The invention relates to the technical field of monitoring and early warning, in particular to a high-voltage straight pipe high-voltage anti-drop and high-voltage early warning method and system.
Background
At present, pipelines are mostly adopted for conveying liquid, but if the transmission distance is too long, a plurality of pipelines need to be connected;
the connection between the pipelines is usually in a flange connection or a sleeved connection in a mode that an opening locking ring holds the pipelines tightly. Great convenience is provided for conveying liquid, but if the connection mode is unreasonable or the pressure of fluid inside the pipeline is increased, the connection part of the pipeline is usually disconnected, so that the liquid leakage phenomenon occurs;
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 a high-pressure straight pipe, and facilitating real-time and effective mastering of the pressure condition in the high-pressure straight pipe, so that anti-drop measures can be taken conveniently and timely when the pressure is too high, the pressure resistance degree of the high-pressure straight pipe is improved, the connection stability of the high-pressure straight pipe is also facilitated to 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;
and 2, step: analyzing the pressure data to determine the pressure bearing value of the high-pressure straight pipe;
and 3, step 3: and when the pressure bearing value of the high-pressure straight pipe reaches a target pressure bearing threshold value, performing alarm operation, and performing anti-falling protection on the high-pressure straight pipe based on a preset protection device.
Preferably, a high-pressure straight pipe high-pressure anti-drop and high-pressure early warning method, in step 1, before monitoring the pressure data inside the high-pressure straight pipe based on a preset monitoring device, further includes:
acquiring internal structural characteristics of the interior of the high-pressure straight pipe, and determining a target monitoring point 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 points.
Preferably, the method for preventing high-pressure straight pipe from dropping and early warning high pressure comprises the following steps of determining a target monitoring point for monitoring the high-pressure straight pipe based on the internal structural characteristics of the high-pressure straight pipe, wherein the method comprises the following steps:
acquiring internal structural characteristics of the high-pressure straight pipe, and constructing a simulation model of the interior of the high-pressure straight pipe based on preset proportion in a computer on the basis of 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 connection structure characteristics of the connection part of two adjacent simulation models;
determining a pressure bearing position point of the high-pressure straight pipe based on the model shape, and simultaneously determining a connection point of the high-pressure straight pipe based on the connection structure characteristic of the connection part of two adjacent simulation models;
taking the connecting point and the pressure-bearing position point as target monitoring points, and monitoring first monitoring data of the connecting point and second monitoring data of the pressure-bearing position point in real time by a preset monitoring device based on the target monitoring points;
comparing the first monitoring data and the second monitoring data with a standard data range respectively, and judging whether the monitoring points are qualified or not;
when the first monitoring data and the second monitoring data are both 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 connection structure characteristic of the connection part of the two adjacent simulation models.
Preferably, a high-pressure straight pipe high-pressure anti-drop and high-pressure early warning method, in step 1, based on the pressure data inside the monitoring device, further includes:
respectively acquiring a device identifier of each preset monitoring device, and simultaneously determining a terminal identifier of a target management terminal;
determining a communication protocol of the target management terminal based on the terminal identification, and performing communication link between each preset monitoring device and the target management terminal based on the communication protocol;
and establishing a sub-database at the target terminal based on the device identification of each preset device, and transmitting the pressure data to a corresponding sub-database in the target terminal based on the communication link.
Preferably, in step 2, the pressure data is analyzed to determine a pressure-bearing value of the high-pressure straight pipe, and the method includes:
acquiring historical pressure data and determining a target value of the historical pressure data, wherein the historical pressure data comprises corresponding pressure data when the high-pressure straight pipe normally works and pressure data when the high-pressure straight pipe falls off when a preset protection device is not arranged;
acquiring a 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 and control range of the target physical model based on the target value of the historical pressure data, and introducing corresponding target amount of fluid into the target physical model based on the pressure regulation and control 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 pressure bearing 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 the pressure-bearing value of the high-pressure straight pipe under different pressure values in the pressure regulation and control range;
calling a preset line graph, and filling the pressure value and the corresponding pressure bearing value into the preset line graph to obtain a pressure bearing change curve of the high-pressure straight pipe;
forward conducting derivation point by point based on the pressure-bearing change curve to obtain curvature values corresponding to all pressure-bearing values in the pressure-bearing change curve, and determining a pressure-bearing critical point of the high-pressure straight pipe based on the curvature values;
determining the highest pressure-bearing value of the high-pressure straight pipe based on the pressure-bearing critical point, and determining the range of the pressure-bearing value of the high-pressure straight pipe based on the highest pressure-bearing value;
recording pressure-bearing values corresponding to different pressure values based on the pressure-bearing value range of the high-pressure straight pipe to obtain a pressure-bearing value recording table;
and acquiring pressure data inside 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, the high-pressure straight pipe high-pressure anti-drop and high-pressure early warning method has the pressure-bearing evaluation indexes that: the material of the high-pressure straight pipe, the thickness of the high-pressure straight pipe and the amount of fluid introduced into the high-pressure straight pipe in unit time.
Preferably, the high-pressure straight pipe high-pressure anti-drop and high-pressure early warning method further includes, in step 2, before analyzing the pressure data:
determining an influence factor influencing the pressure change in the high-pressure straight pipe, and determining the 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 in the high-pressure straight pipe;
determining the incidence relation between the influence factors and the internal pressure of the high-pressure straight pipe based on the influence weight, and establishing a change function between the influence factors and the internal pressure based on the incidence relation;
acquiring current environment parameters inside the high-pressure straight pipe based on the influence factors, and inputting the environment parameters to the change function to generate a target function;
the objective function is used as a reference condition for analyzing the pressure data.
Preferably, in step 3, when the pressure-bearing value of the high-pressure straight pipe reaches the target pressure-bearing threshold value, before performing the alarm operation, the method further includes:
recording the pressure-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 pressure-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 variation trend line of the pressure bearing value based on the curve characteristics;
determining a reference line corresponding to the target pressure-bearing threshold value in the two-dimensional rectangular coordinate system, and setting a pre-judgment alarm line in the two-dimensional rectangular coordinate system based on the reference line, wherein the pre-judgment alarm line is smaller than the reference line;
pre-judging the internal pressure change of the high-pressure straight pipe according to the change trend line of the bearing pressure and the pre-judging alarm line;
and when the change trend line is intersected with the pre-judgment alarm line, performing pre-alarm operation.
Preferably, in step 3, when the pressure-bearing value of the high-pressure straight pipe reaches a target pressure-bearing threshold value, performing an alarm operation, and performing anti-drop protection on the high-pressure straight pipe based on a preset protection device, the method includes:
when the pressure bearing value of the high-pressure straight pipe reaches the target pressure 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 current perimeter of the high-pressure straight pipe and the joint of the high-pressure straight pipe, and meanwhile, 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 pipes, and simultaneously determining the working strength of the preset protection device based on the perimeter of the high-pressure straight pipes and the flow of fluid in the high-pressure straight pipes;
and generating a control instruction based on the target working position and the working force, and controlling the preset protection device to perform anti-falling protection on the high-pressure straight pipe based on the control instruction.
Preferably, a high-pressure straight tube 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 performing alarm operation when the pressure bearing value of the high-pressure straight pipe reaches a target pressure bearing threshold value, and performing 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 the 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 hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit 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 according to an embodiment of the present invention;
FIG. 2 is a flowchart of step 1 of a high-pressure straight pipe high-pressure anti-separation and high-pressure early warning method according to an embodiment of the present invention;
fig. 3 is a structural diagram of a high-pressure straight pipe high-pressure anti-drop and high-pressure early warning system in an embodiment of the invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
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 of:
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;
and 3, step 3: and when the pressure bearing value of the high-pressure straight pipe reaches a target pressure bearing threshold value, performing alarm operation, and performing anti-falling protection 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 the 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 pipe.
In this embodiment, the pressure-bearing value of the high-pressure straight pipe refers to a condition that the internal pressure of the high-pressure straight pipe changes along with the increase of the pressure.
In the embodiment, the target pressure bearing threshold is set in advance and is used for representing the highest pressure bearing capacity of the high-pressure straight pipe, and the condition that the value is exceeded indicates that the high-pressure straight pipe has the risk of disengagement.
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 a target pressure-bearing threshold value, so as to play a role in preventing falling.
The beneficial effects of the above technical scheme are: through monitoring and analyzing the pressure data inside the high-pressure straight pipe, the pressure condition inside the high-pressure straight pipe can be conveniently and effectively mastered in real time, so that anti-falling 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 conveniently and effectively managed, and the safety coefficient of use is improved.
Example 2:
on the basis of the foregoing embodiment 1, this embodiment provides a high-pressure straight pipe high-pressure anti-drop and high-pressure early warning method, as shown in fig. 2, before monitoring pressure data inside a high-pressure straight pipe based on a preset monitoring device in step 1, the method further includes:
step 101: acquiring internal structural characteristics of the interior of the high-pressure straight pipe, and determining a target monitoring point 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 points.
In this embodiment, the internal structural features refer to the internal connection relationship of the high-pressure straight pipes and the internal configuration of the high-pressure straight pipes.
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 above technical scheme are: through determining the internal structural characteristics of the high-pressure straight pipe, effective monitoring points are determined in the high-pressure straight pipe, so that the pressure data in the high-pressure straight pipe can be monitored, and the anti-falling protection efficiency of the high-pressure straight pipe is improved.
Example 3:
on the basis of the foregoing embodiment 2, the present embodiment provides a high-pressure straight pipe high-pressure disconnection prevention and high-pressure early warning method, where determining a target monitoring point for monitoring the high-pressure straight pipe based on internal structural characteristics of the high-pressure straight pipe includes:
acquiring internal structural characteristics of the high-pressure straight pipe, and constructing a simulation model of the interior of the high-pressure straight pipe in a computer based on 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 connection structure characteristics of the connection part of two adjacent simulation models;
determining a pressure bearing position point of the high-pressure straight pipe based on the model shape, and simultaneously determining a connection point of the high-pressure straight pipe based on the connection structure characteristic of the connection part of two adjacent simulation models;
taking the connecting point and the pressure-bearing position point as target monitoring points, and monitoring first monitoring data of the connecting point and second monitoring data of the pressure-bearing position point in real time by a preset monitoring device based on the target monitoring points;
comparing the first monitoring data and the second monitoring data with a standard data range respectively, and judging whether the monitoring points are qualified or not;
when the first monitoring data and the second monitoring data are both 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 connection structure characteristic of the connection part of the two adjacent simulation models.
In this embodiment, the simulation model refers to that a computer performs simulation on the high-pressure straight pipe, so as to effectively analyze the operating state of the high-pressure straight pipe under different pressure conditions.
In this embodiment, the model shape refers to the external shape feature of the high-pressure straight pipe for characterizing the model simulation.
In this embodiment, the connection structural characteristics of the connection position of the high-pressure straight pipes refer to the connection relationship, connection mode, and the like between the connected high-pressure straight pipes simulated in the simulation model.
In this embodiment, the pressure bearing point refers to a main force point of the high pressure straight pipe for bearing pressure.
In this embodiment, the junction point refers to the junction point of adjacent high pressure straight pipes.
In this embodiment, the first monitoring data refers to monitoring data obtained by monitoring the connection point of the high-voltage straight pipe.
In this embodiment, the second monitoring data refers to monitoring data obtained by monitoring the pressure-bearing position point of the high-pressure straight pipe.
In this embodiment, the standard data range is set in advance, and is used to measure whether the monitoring data of the corner point of the high-pressure straight pipe and the monitoring data taking pressure bearing as a fulcrum are normal.
The beneficial effects of the above technical scheme are: the high-pressure straight pipe is subjected to analog simulation according to the internal structural characteristics of the high-pressure straight pipe, and meanwhile, the target monitoring point of the high-pressure straight pipe is effectively determined according to the corner point and the pressure bearing position point of the high-pressure straight pipe, so that the pressure bearing data of the high-pressure straight pipe can be effectively acquired, and convenience is brought to timely taking anti-falling measures for the high-pressure straight pipe.
Example 4:
on the basis of the above embodiment 1, this embodiment provides a high-pressure straight pipe high-pressure anticreep and high-pressure early warning method, and in step 1, based on presetting monitoring devices and monitoring the inside pressure data of high-pressure straight pipe, still include:
respectively acquiring a device identifier of each preset monitoring device, and simultaneously determining a terminal identifier of a target management terminal;
determining a communication protocol of the target management terminal based on the terminal identification, and performing communication link between each preset monitoring device and the target management terminal based on the communication protocol;
and establishing a sub-database at the target terminal based on the device identification of each preset device, and transmitting the pressure data to a 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 for distinguishing the locations of the different preset monitoring devices.
In this embodiment, the terminal identifier is used to mark different management terminals, and the type of the corresponding management terminal and the type of management can be determined quickly and accurately by the identifier.
In this embodiment, the communication protocol is used to define a data transmission mode between the predetermined 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 above technical scheme are: the communication protocol between the monitoring device and the management terminal is accurately acquired by presetting the identification of the monitoring device and the management terminal according to different conditions, and meanwhile, a sub-database of each preset monitoring device is established at the management terminal, so that the data monitored by each preset monitoring device are only stored conveniently, guarantee and convenience are provided for accurately analyzing the current pressure bearing condition of the high-pressure straight pipe, and convenience is provided for taking anti-dropping measures in time.
Example 5:
on the basis of the foregoing embodiment 1, this embodiment provides a high-pressure straight pipe high-pressure anti-drop and high-pressure early warning method, in step 2, the pressure data is analyzed, and a pressure-bearing value of the high-pressure straight pipe is determined, including:
acquiring historical pressure data and determining a target value of the historical pressure data, wherein the historical pressure data comprises corresponding pressure data when the high-pressure straight pipe works normally and pressure data when the high-pressure straight pipe falls off when a preset protection device is not arranged;
acquiring a 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 and control range of the target physical model based on the target value of the historical pressure data, and introducing corresponding target amount of fluid into the target physical model based on the pressure regulation and control 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 pressure bearing 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 the pressure-bearing value of the high-pressure straight pipe under different pressure values in the pressure regulation range;
calling a preset line graph, and filling the pressure value and the corresponding pressure bearing value into the preset line graph to obtain a pressure bearing change curve of the high-pressure straight pipe;
forward conducting derivation point by point based on the pressure-bearing change curve to obtain curvature values corresponding to all pressure-bearing values in the pressure-bearing change curve, and determining a pressure-bearing critical point of the high-pressure straight pipe based on the curvature values;
determining the highest pressure-bearing value of the high-pressure straight pipe based on the pressure-bearing critical point, and determining the range of the pressure-bearing value of the high-pressure straight pipe based on the highest pressure-bearing value;
recording pressure values corresponding to different pressure values based on the range of the pressure value of the high-pressure straight pipe to obtain a pressure value recording table;
and acquiring pressure data inside 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 amount of fluid 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 a value size corresponding to the historical pressure data.
In the embodiment, the preset protection device is set in advance and used for protecting the high-pressure straight pipe, so that the anti-falling purpose is achieved.
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 material type used for characterizing the high-pressure straight pipe, so as to realize accurate simulation of the high-pressure straight pipe.
In this embodiment, the preset ratio is set in advance to standardize the size of the simulation model.
In this embodiment, the target physical model refers to a model obtained by continuously performing physical modeling on the high-pressure straight pipe.
In this embodiment, the target amount of fluid refers to the amount of liquid introduced into the high-pressure straight pipe.
In this embodiment, the pressure-bearing data refers to a situation that the high-pressure straight pipe bears pressure after 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 set in advance, and is a line graph template used for recording pressure-bearing values corresponding to different pressure data.
In this embodiment, the pressure-bearing critical point refers to the pressure-bearing value from pressure-bearing to disengagement of the high-pressure straight pipe.
The beneficial effects of the above technical scheme are: through obtaining historical pressure data, and carry out pressure test to the target physical model who founds through historical pressure data, thereby realize effectively confirming the bearing capacity value that high-pressure straight tube corresponds different pressure data, the accuracy and the rigidness of confirming high-pressure straight tube bearing value have been improved, simultaneously record the bearing value that different pressure data correspond, thereby realize carrying out the accurate judgement to the inside current bearing value of high-pressure straight tube according to the inside pressure data of current high-pressure straight tube, whether there is the risk of breaking away from in the accurate analysis high-pressure straight tube and provide convenience and guarantee, be convenient for in time take measures, the promptness of anticreep has been improved.
Example 6:
on the basis of the foregoing embodiment 1, this embodiment provides a high-pressure straight pipe high-pressure anti-drop and high-pressure early warning method, and 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 the 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 in the high-pressure straight pipe;
determining the incidence relation between the influence factors and the internal pressure of the high-pressure straight pipe based on the influence weight, and establishing a change function between the influence factors and the internal pressure based on the incidence relation;
acquiring current environment parameters inside the high-pressure straight pipe based on the influence factors, and inputting the environment parameters to the change function to generate a target function;
the objective function is used as a reference condition for analyzing the pressure data.
In this embodiment, the influence factor refers to an environmental factor that influences the internal pressure of the high-pressure straight pipe, specifically, the internal temperature of 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 thickness of the pipe wall, and the like.
In this embodiment, the influence weight refers to the influence severity of different influence factors on the internal pressure of the high-pressure straight pipe.
In this embodiment, the variation function is used to characterize the variation relationship between the influence factor and the pressure.
In this embodiment, the objective function refers to a final expression obtained by verifying the generated variation function.
In this embodiment, the reference condition refers to that the analysis of the pressure data in the high-pressure straight pipe is realized by the objective function, and is a reference basis for the analysis of the pressure in the high-pressure straight pipe.
The beneficial effects of the above technical scheme are: 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 guaranteed.
Example 7:
on the basis of the foregoing 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 pressure-bearing value of the high-pressure straight pipe reaches the target pressure-bearing threshold value, before performing the alarm operation, the method further includes:
recording the pressure-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 pressure-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 variation trend line of the pressure bearing value based on the curve characteristics;
determining a reference line corresponding to the target pressure-bearing threshold value in the two-dimensional rectangular coordinate system, and setting a pre-judgment alarm line in the two-dimensional rectangular coordinate system based on the reference line, wherein the pre-judgment alarm line is smaller than the reference line;
pre-judging the internal pressure change of the high-pressure straight pipe according to the change trend line of the bearing pressure and the pre-judging alarm line;
and when the change trend line is intersected with the pre-judgment alarm line, performing pre-alarm operation.
In this embodiment, the preset time interval is set in advance, and is used for discontinuously determining the pressure-bearing value inside the high-pressure straight pipe.
In the embodiment, the curve characteristic refers to the size change condition of the pressure bearing value of the high-pressure straight roll at different time.
In this embodiment, the reference line refers to a straight line corresponding to the target pressure-bearing value in the two-dimensional rectangular coordinate system.
In this embodiment, the prejudgment warning line is used for representing the maximum pressure-bearing value which can be accepted by the high-pressure straight pipe.
In the embodiment, the pre-alarming operation means that when the pressure bearing value inside the high-pressure straight pipe is about to reach the pre-judging alarm line, the management terminal is reminded.
The beneficial effects of the above technical scheme are: through confirming the pressure-bearing value of high-pressure straight pipe under the different time points to carry out image visualization to the pressure-bearing value of high-pressure straight pipe, regard the target pressure-bearing threshold value of high-pressure straight pipe as the datum line and carry out visual in step in the coordinate system simultaneously, thereby be convenient for carry out the preliminary alarm operation when the inside pressure-bearing value of high-pressure straight pipe is about to exceed the datum line, improved the efficiency of in time protecting the high-pressure straight pipe, thereby accomplish the high-efficient anticreep operation to the high-pressure straight pipe.
Example 8:
on the basis of the foregoing embodiment 1, this embodiment provides a high-pressure straight pipe high-pressure anti-drop and high-pressure early warning method, in step 3, when a pressure-bearing value of the high-pressure straight pipe reaches a target pressure-bearing threshold value, an alarm operation is performed, and based on a preset protection device, the anti-drop protection of the high-pressure straight pipe is performed, including:
when the pressure bearing value of the high-pressure straight pipe reaches the target pressure 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 current perimeter of the high-pressure straight pipe and the joint of the high-pressure straight pipe, and meanwhile, 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 pipes, and simultaneously determining the working strength of the preset protection device based on the perimeter of the high-pressure straight pipes and the flow of fluid in the high-pressure straight pipes;
and generating a control instruction based on the target working position and the working force, and meanwhile, controlling the preset protection device to perform anti-falling protection on the high-pressure straight pipe based on the control instruction.
In this embodiment, the joint 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 strength refers to the degree of reinforcement that protection device needs to be carried out high pressure straight tube in advance.
In this embodiment, the target working position refers to a mounting position of a preset protection device, i.e., a joint of adjacent high-pressure straight pipes.
The beneficial effects of the above technical scheme are: through when taking place to report to the police, confirm the girth of inside current flow of high pressure straight tube and high pressure straight tube, realize effectively confirming the working strength of predetermineeing protection device to the effect and the dynamics to the high pressure straight tube anticreep have been improved.
Example 9:
on the basis of the foregoing embodiment 8, this embodiment provides a high-pressure straight pipe high-pressure anti-drop and high-pressure early warning method, determining a flow rate of a fluid inside the high-pressure straight pipe, including:
the method comprises the following steps of obtaining the inner diameter of a circular pipe of a high-pressure straight pipe, calculating the flow in the high-pressure straight pipe based on the inner diameter of the circular pipe, and calculating the pressure value of the joint of the high-pressure straight pipe based on the flow, wherein the method comprises the following specific steps:
calculating the flow rate in the high-pressure straight pipe according to the following formula:
wherein Q represents the flow rate in the high-pressure straight pipe; r represents the inner diameter of a circular pipe of the high-pressure straight pipe; alpha represents the tube wall shear stress of the high-pressure straight tube, and the unit is Pa; τ represents a yield value of the fluid inside the high-pressure straight pipe and has a unit of Pa;
represents the aboveThe shear stress of a flow layer in the high-pressure straight pipe is Pa;
denotes shear rate and has the unit s -1 (ii) a δ represents a constant, typically 5;
based on the formula, when the flow rate 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 at the joint of the high-pressure straight pipes according to the following formula:
wherein P represents the pressure value at the joint of the high-pressure straight pipes; mu 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 does not have a disengagement risk;
otherwise, judging that the high-voltage straight pipe has a disengagement risk, and sending a control instruction to a preset protection device;
and controlling the preset protection device to perform 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 above technical scheme are: through calculating the inside flow of high-pressure straight tube, realize carrying out accurate calculation to the pressure value of high-pressure straight tube linking department to be convenient for in time control when the pressure value is too big predetermines protection device and carries out the anticreep protection to high-pressure straight tube, improved the effect of anticreep protection.
Example 10:
this embodiment provides a high pressure straight tube high pressure anticreep and high-pressure early warning system, as shown in fig. 3, include:
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 performing alarm operation when the pressure bearing value of the high-pressure straight pipe reaches a target pressure bearing threshold value, and performing anti-falling protection on the high-pressure straight pipe based on a preset protection device.
The beneficial effects of the above technical scheme are: through monitoring and analyzing the pressure data inside the high-pressure straight pipe, the pressure condition inside the high-pressure straight pipe can be conveniently and effectively mastered in real time, so that anti-falling 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 conveniently and effectively managed, and the safety coefficient of use is improved.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A high-pressure straight pipe high-pressure anti-drop and high-pressure early warning method is characterized by comprising the following steps:
step 1: monitoring pressure data inside the high-pressure straight pipe based on a preset monitoring device;
and 2, step: analyzing the pressure data to determine the pressure bearing value of the high-pressure straight pipe;
and step 3: and when the pressure bearing value of the high-pressure straight pipe reaches a target pressure bearing threshold value, performing alarm operation, and performing anti-falling protection on the high-pressure straight pipe based on a preset protection device.
2. The high-pressure straight pipe high-pressure anti-drop and high-pressure early warning method according to claim 1, wherein in the 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 interior of the high-pressure straight pipe, and determining a target monitoring point 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 points.
3. The high-pressure straight pipe high-pressure anti-drop and high-pressure early warning method according to claim 2, wherein determining a target monitoring point for monitoring the high-pressure straight pipe based on internal structural characteristics of the high-pressure straight pipe comprises:
acquiring internal structural characteristics of the high-pressure straight pipe, and constructing a simulation model of the interior of the high-pressure straight pipe based on preset proportion in a computer on the basis of 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 connection structure characteristics of the connection part of two adjacent simulation models;
determining a pressure bearing position point of the high-pressure straight pipe based on the model shape, and simultaneously determining a connection point of the high-pressure straight pipe based on the connection structure characteristics of the connection part of two adjacent simulation models;
taking the connecting point and the pressure-bearing position point as target monitoring points, and monitoring first monitoring data of the connecting point and second monitoring data of the pressure-bearing position point in real time by a preset monitoring device based on the target monitoring points;
comparing the first monitoring data and the second monitoring data with a standard data range respectively, and judging whether the monitoring points are qualified or not;
when the first monitoring data and the second monitoring data are both 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 connection structure characteristic of the connection part of the two adjacent simulation models.
4. The high-pressure straight pipe high-pressure anti-drop and high-pressure early warning method according to claim 1, wherein in the step 1, pressure data inside the high-pressure straight pipe is monitored based on a preset monitoring device, and the method further comprises the following steps:
respectively acquiring a device identifier of each preset monitoring device, and simultaneously determining a terminal identifier of a target management terminal;
determining a communication protocol of the target management terminal based on the terminal identification, and performing communication link between 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 transmitting the pressure data to a corresponding sub-database in the target terminal based on the communication link.
5. The high-pressure straight pipe high-pressure anti-drop and high-pressure early warning method according to claim 1, wherein in the step 2, the pressure data is analyzed to determine a 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 corresponding pressure data when the high-pressure straight pipe works normally and pressure data when the high-pressure straight pipe falls off when a preset protection device is not arranged;
acquiring a physical structure and material attributes of a high-pressure straight pipe, and modeling the high-pressure straight pipe according to a preset proportion on the basis of the physical structure and the material attributes to obtain a target physical model;
determining a pressure regulation and control range of the target physical model based on the target value of the historical pressure data, and introducing corresponding target amount of fluid into the target physical model based on the pressure regulation and control 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 pressure bearing 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 the pressure-bearing value of the high-pressure straight pipe under different pressure values in the pressure regulation range;
calling a preset line graph, and filling the pressure value and the corresponding pressure bearing value into the preset line graph to obtain a pressure bearing change curve of the high-pressure straight pipe;
forward conducting derivation point by point based on the pressure-bearing change curve to obtain curvature values corresponding to all pressure-bearing values in the pressure-bearing change curve, and determining a pressure-bearing critical point of the high-pressure straight pipe based on the curvature values;
determining the highest pressure-bearing value of the high-pressure straight pipe based on the pressure-bearing critical point, and determining the range of the pressure-bearing value of the high-pressure straight pipe based on the highest pressure-bearing value;
recording pressure values corresponding to different pressure values based on the range of the pressure value of the high-pressure straight pipe to obtain a pressure value recording table;
and acquiring pressure data inside 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 high-pressure straight pipe high-pressure anti-drop and high-pressure early warning method according to claim 5, wherein the pressure-bearing assessment indexes comprise: the material of the high-pressure straight pipe, the thickness of the high-pressure straight pipe and the amount of fluid introduced into the high-pressure straight pipe in unit time.
7. The high-pressure straight pipe high-pressure anti-drop and high-pressure early warning method according to claim 1, wherein in step 2, before analyzing the pressure data, the method further comprises:
determining an influence factor influencing the pressure change in the high-pressure straight pipe, and determining the 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 in the high-pressure straight pipe;
determining the incidence relation between the influence factors and the internal pressure of the high-pressure straight pipe based on the influence weight, and establishing a change function between the influence factors and the internal pressure based on the incidence relation;
acquiring current environment parameters inside the high-pressure straight pipe based on the influence factors, and inputting the environment parameters to the change function to generate a target function;
the objective function is used as a reference condition for analyzing the pressure data.
8. The high-pressure straight pipe high-pressure anti-drop and high-pressure early warning method according to claim 1, wherein in step 3, when the pressure bearing value of the high-pressure straight pipe reaches a target pressure bearing threshold value, before performing an alarm operation, the method further comprises:
recording the pressure-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 pressure-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 variation trend line of the pressure bearing value based on the curve characteristics;
determining a reference line corresponding to the target pressure-bearing threshold value in the two-dimensional rectangular coordinate system, and setting a pre-judgment alarm line in the two-dimensional rectangular coordinate system based on the reference line, wherein the pre-judgment alarm line is smaller than the reference line;
pre-judging the internal pressure change of the high-pressure straight pipe according to the change trend line of the bearing pressure and the pre-judging alarm line;
and when the change trend line is intersected with the pre-judgment alarm line, performing pre-alarm operation.
9. The high-pressure straight pipe high-pressure anti-drop and high-pressure early warning method according to claim 1, wherein in step 3, when the pressure bearing value of the high-pressure straight pipe reaches a target pressure bearing threshold value, an alarm operation is performed, and based on a preset protection device, the high-pressure straight pipe anti-drop protection method comprises the following steps:
when the pressure bearing value of the high-pressure straight pipe reaches the target pressure 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 current perimeter of the high-pressure straight pipe and the joint of the high-pressure straight pipe, and meanwhile, 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 pipes, and simultaneously determining the working strength of the preset protection device based on the perimeter of the high-pressure straight pipes and the flow of fluid in the high-pressure straight pipes;
and generating a control instruction based on the target working position and the working force, and controlling the preset protection device to perform anti-falling protection on the high-pressure straight pipe based on the control instruction.
10. 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 analyzing the pressure data and determining the pressure bearing value of the high-pressure straight pipe;
and the protection module is used for performing alarm operation when the pressure bearing value of the high-pressure straight pipe reaches a target pressure bearing threshold value, and performing anti-falling protection on the high-pressure straight pipe based on a preset protection device.
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