CN114004049A - Three-dimensional visual underground pipe network leak detection monitoring and excavation simulation system - Google Patents
Three-dimensional visual underground pipe network leak detection monitoring and excavation simulation system Download PDFInfo
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- CN114004049A CN114004049A CN202111293303.3A CN202111293303A CN114004049A CN 114004049 A CN114004049 A CN 114004049A CN 202111293303 A CN202111293303 A CN 202111293303A CN 114004049 A CN114004049 A CN 114004049A
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- G06F30/10—Geometric CAD
- G06F30/18—Network design, e.g. design based on topological or interconnect aspects of utility systems, piping, heating ventilation air conditioning [HVAC] or cabling
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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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Abstract
The invention relates to a three-dimensional visual underground pipe network leakage monitoring and excavation simulation system, which can generate a three-dimensional static model according to modeling data by implanting a computer software program into a three-dimensional monitoring module, so that a user can visually obtain the three-dimensional structural relationship between an underground pipe network and a ground building and provide data support for pipe network monitoring, and the computer software program implanted into the three-dimensional monitoring module can also determine whether a pipeline to be monitored leaks or not according to the acquired monitoring data and determine the leakage position when the pipeline to be monitored leaks, so that the pipeline state can be monitored in real time and the position of a leakage point can be quickly positioned, further, the implanted software program can also generate a three-dimensional excavation simulation model according to the leakage position, and reliable guidance can be provided for excavation and repair schemes.
Description
Technical Field
The invention relates to the technical field of underground pipe network monitoring, in particular to a three-dimensional visual underground pipe network leak detection monitoring and excavation simulation system.
Background
Underground pipe networks in industrial fields are generally characterized by high density and multiple types. Once leakage occurs in the underground pipeline, the process flow of the production field is abnormal or interrupted, and even great loss of human and property can be caused. In the prior art, a pipe network area is generally subjected to irregular inspection by manpower to determine whether side leakage of the pipe network occurs. And, when the pipe network takes place the side leakage, need contact professional and carry out the excavation maintenance, this will lead to the maintenance untimely, moreover, receives the influence of professional knowledge deposit, probably appears damaging the problem of building on every side in excavation maintenance process. Therefore, it is very important to monitor the state of the pipeline on line in real time, quickly locate the leakage point when an accident occurs, and make a reliable excavation and repair plan.
Disclosure of Invention
The invention aims to provide a three-dimensional visual underground pipe network leakage monitoring and excavation simulation system, which can provide reliable guidance for excavation and repair schemes while monitoring the state of a pipeline in real time and quickly positioning a leakage point.
In order to achieve the purpose, the invention provides the following scheme:
the utility model provides a three-dimensional visual underground pipe network monitoring of leaking hunting and excavation analog system, includes: the system comprises a data acquisition module, a wireless transmission module and a three-dimensional monitoring module;
the data acquisition module is connected with the wireless transmission module; the wireless transmission module is connected with the three-dimensional monitoring module;
the data acquisition module is used for acquiring monitoring data of a pipeline to be monitored in the underground pipe network; the wireless transmission module is used for wirelessly transmitting the monitoring data; a computer software program is implanted into the three-dimensional monitoring module; the computer software program is operable to perform the following operations:
generating a three-dimensional static model according to the modeling data; the modeling material comprises: the design drawing of the underground pipe network and the ground building photo corresponding to the underground pipe network;
determining whether the pipeline to be monitored leaks or not according to the monitoring data, and determining a leakage position when the pipeline to be monitored leaks;
and generating a three-dimensional excavation simulation model according to the leakage position.
Preferably, the data acquisition module comprises a sensing unit; the sensing unit is installed on a pipeline to be monitored.
Preferably, the sensing unit is an ultrasonic sensor.
Preferably, the wireless transmission module performs wireless transmission based on a 4G signal or a 5G signal.
Preferably, the three-dimensional monitoring module comprises:
the pipe network browsing unit is used for displaying the three-dimensional static model; the three-dimensional static model includes: underground display information, ground display information, pipeline level information and pipeline engineering information;
the leakage monitoring unit is used for determining whether the pipeline to be monitored leaks or not according to the monitoring data, determining a leakage position when the pipeline to be monitored leaks, and rendering the leakage position in the three-dimensional static model;
and the excavation analysis unit is used for generating a three-dimensional excavation simulation model according to the leakage position so as to simulate the distribution information of the underground pipeline and the ground building after the leakage position is excavated.
Preferably, the leakage monitoring unit includes:
and the alarm display subunit is used for marking the leakage position in the three-dimensional static model by using a flashing alarm icon.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
according to the three-dimensional visual underground pipe network leakage monitoring and excavation simulation system provided by the invention, the computer software program is implanted into the three-dimensional monitoring module, the three-dimensional static model can be generated according to modeling data, so that a user can visually obtain the three-dimensional structural relationship between the underground pipe network and a ground building and provide data support for pipe network monitoring, moreover, the computer software program implanted into the three-dimensional monitoring module can also determine whether the pipeline to be monitored leaks or not according to the acquired monitoring data and determine the leakage position when the pipeline to be monitored leaks, so that the pipeline state can be monitored in real time and the position of a leakage point can be rapidly positioned, further, the implanted software program can also generate the three-dimensional excavation simulation model according to the leakage position, and reliable guidance can be provided for excavation and repair schemes.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a structural block diagram of a three-dimensional visual underground pipe network leak detection monitoring and excavation simulation system provided by the invention;
fig. 2 is a diagram illustrating a leak location alarm positioning process according to an embodiment of the present invention;
fig. 3 is an architecture diagram of an excavation simulation process provided in an embodiment of the present invention;
FIG. 4 is a three-dimensional rendering of the effect of the excavated portion provided by the embodiment of the present invention;
FIG. 5 is a schematic diagram of an excavation implementation provided by an embodiment of the present invention;
fig. 6 is a diagram of a human-computer interface displaying excavation effect according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a three-dimensional visual underground pipe network leakage monitoring and excavation simulation system, which can provide reliable guidance for excavation and repair schemes while monitoring the state of a pipeline in real time and quickly positioning a leakage point.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1, the three-dimensional visual underground pipe network leak detection monitoring and excavation simulation system provided by the present invention comprises: the device comprises a data acquisition module, a wireless transmission module and a three-dimensional monitoring module.
The data acquisition module is connected with the wireless transmission module. The wireless transmission module is connected with the three-dimensional monitoring module. Wherein, the data acquisition module can comprise a plurality of sensing units. The sensing unit is mounted on the pipeline to be monitored. Preferably, the sensing unit employed in the present invention may be an ultrasonic sensor. The wireless transmission module can perform wireless transmission based on the 4G signal or the 5G signal.
The data acquisition module is used for acquiring monitoring data of the pipeline to be monitored in the underground pipe network. The wireless transmission module is used for wirelessly transmitting the monitoring data. The three-dimensional monitoring module is embedded with a computer software program. The computer software program is for performing the following operations:
and generating a three-dimensional static model according to the modeling data. The modeling data includes: design drawings of underground pipe networks and ground building photos corresponding to the underground pipe networks. For example, when a three-dimensional static model is generated, a design drawing and a ground landscape photo are used as modeling data, 3dmax software is used as a three-dimensional modeling tool, the three-dimensional static model of a plant underground pipe network system and ground important facilities is constructed, Unity3D is used as a three-dimensional development tool, and finally an interactive three-dimensional program is formed.
And determining whether the pipeline to be monitored leaks or not according to the monitoring data, and determining the leakage position when the pipeline to be monitored leaks.
And generating a three-dimensional excavation simulation model according to the leakage position.
In the invention, a three-dimensional static model is constructed by using a reverse engineering mode. And reverse engineering is carried out to reproduce the design technology of the built assets. The raw data used for reverse engineering includes laser scanning point clouds, drawings and photographs. The model obtained by the laser scanning method can ensure the consistency of the model and the field by rescanning no matter the difference between the design model provided by a design institute or a manufacturer and the finished state or the modification of equipment in the operation of a power plant. The scanning point clouds in different periods are used as historical data and can also be used as a basis for judging the change of the asset state. The equipment which has the requirement on model precision and can provide scanning conditions on site is recommended to be modeled by using a laser scanning mode. For places (such as underground, inside equipment) which cannot be reached by laser scanning, drawing modeling is used as a supplement.
Because the number of underground and overground facilities is large, in order to ensure the efficiency of using a three-dimensional system by a common office computer of a user, a model lightweight technology is required to be adopted: dynamic OC, Levels of Detail, image quality adaptation, etc., and the number of rendered triangle faces in the same scene is controlled to be as low as possible.
The monitoring device is developed for solving the problems of pipe network general survey or important pipe section operation monitoring. The ultrasonic leakage detection sensor picks up the noise signal of the detected point through the noise recording probe, analyzes and records the intensity and the main frequency component of the noise signal, judges the leakage state of the monitored area through comparing the change rule of the noise intensity, supports the accurate positioning of the online leakage point, can find the leakage as early as possible by using the system, and reduces the loss to the maximum extent.
On the basis of the work, the three-dimensional monitoring module designs three interconnected functional units of pipe network browsing, leakage monitoring and excavation simulation, and completes the three-dimensional visualization, online leakage monitoring and excavation simulation effects of the underground pipe network through the assistance of a human-computer interface.
And the pipe network browsing unit is used for displaying the three-dimensional static model. The three-dimensional static model includes: underground display information, ground display information, pipeline level information and pipeline engineering information. The pipe network browsing unit is implanted with a basic static three-dimensional scene of the whole underground pipe network, can check three-dimensional graphs of the whole pipe network, and also provides functions of loading ground objects, tree diagrams and fuzzy search for assisting in positioning specific pipelines due to the large quantity of all pipelines.
And the leakage monitoring unit is used for determining whether the pipeline to be monitored leaks or not according to the monitoring data, determining the leakage position when the pipeline to be monitored leaks, and rendering the leakage position in the three-dimensional static model. For example, for a pipeline needing leakage monitoring, an ultrasonic sensor is installed at a selected straight pipe section, monitoring signals are wirelessly transmitted to a receiver of a three-dimensional system host through 4G signals, and the system can receive leakage monitoring data in real time.
And the excavation analysis unit is used for generating a three-dimensional excavation simulation model according to the leakage position so as to simulate the distribution information of the underground pipeline and the ground building after the leakage position is excavated.
In order to facilitate a user to find a leakage position in time, the leakage monitoring unit is further provided with an alarm display subunit for marking the leakage position in the three-dimensional static model by using a flashing alarm icon, and the process of alarm positioning is shown in fig. 2. For example, when the monitoring signal sent back by the sensor exceeds a preset limit value, the system executes an alarm process, and a flashing alarm icon appears at a corresponding measuring point. The user can select to operate the mouse to move the lens by himself or click the alarm tag to automatically move the lens by the system, so that the observation range of the scene is focused near the alarm point. The alarm display mode can be set according to actual operation habits, for example, the alarm display mode is set as follows: alarm points exceeding the first high limit threshold are displayed in yellow, and alarm points exceeding the second high limit threshold are displayed in red.
The three-dimensional monitoring module has a partial working mode as shown in fig. 3, and when leakage occurs, the three-dimensional scene prompts the accurate position of the leakage in a mode of icon flashing. After the alarm icon appears in the three-dimensional scene, the icon is clicked, and the lens can be focused near the alarm point. A rectangular area can be selected on the ground by specifying a diagonal line through a mouse. The system will simulate the area being excavated and display the pipes and other facilities below the ground, implementing the excavation simulation function.
In addition, based on the technical scheme provided by the invention, a user can visually check the specific distribution condition of the underground pipelines and inquire the engineering information related to the pipelines in a scene through a three-dimensional interaction system; the user can know the occurrence of the leakage event at the first time and can accurately position in the three-dimensional scene; and (4) enabling a user to use a three-dimensional excavation simulation function to figure out the arrangement conditions of ground equipment and underground pipelines near the leakage point, and formulating an excavation maintenance scheme on the basis of the arrangement conditions.
The functions and advantages of the three-dimensional visual underground pipe network leak detection monitoring and excavation simulation system provided by the invention are explained based on the construction and implementation process of the whole computer software.
The three-dimensional visual underground pipe network leakage detection monitoring and excavation simulation system can be started through a client side or a Web mode, and after the system is started, the underground pipe network can be selected from a scene menu and then the system can be accessed.
The network browsing unit can have functions of underground display, ground display, tree structure diagram, pipeline information browsing and the like. For example:
underground display: all underground facilities in a plant area are displayed in a three-dimensional space, the types of the facilities comprise pipelines, valves, cable galleries, wells and the like, and the spatial information of the facilities is consistent with the actual installation on site.
And (3) displaying on the ground: the position information and the connection relation of the underground pipeline can be checked by manually switching and displaying or hiding buildings, roads and equipment on the ground.
The tree structure diagram is as follows: the hierarchical relation of each professional pipeline is displayed in a tree structure, fuzzy query is provided, and pipelines needing to be checked can be quickly positioned.
Browsing the pipeline information: and displaying the selected pipeline engineering information, such as pipe diameter, serial number, coordinates, material, working medium and the like.
On a web end display interface or a display interface of a mobile phone client, in a leakage monitoring unit, a leakage monitoring marking measuring point needs to be based on a model in a pipe network browsing unit, the leakage monitoring unit can judge a corresponding pipeline leakage state according to data sent by a sensor in real time, if an abnormal state exists, a prompt icon appears on a pipeline, and the severity of the abnormal leakage is distinguished by colors.
Real-time monitoring: the sensors installed on the field pipeline can mark the same position in a three-dimensional scene, and set alarm limit values which are divided into a high limit and a high limit. The high limit indicates that a flow reduction has occurred and a leak may have occurred, and the high limit indicates that a flow reduction is large and a leak is likely to have occurred.
And (4) leakage alarm: when the monitoring signal transmitted back by the sensor exceeds the preset limit value, the system executes an alarm process, and a flashing alarm icon appears at the corresponding measuring point. The user can select a mode of automatically operating a mouse to move the lens or clicking the alarm tag to automatically move the lens by the system, so that the observation range of the scene is focused near the alarm point.
And (4) alarm display: alarm points exceeding the high limit are displayed in yellow, and alarm points exceeding the high limit are displayed in red.
On a web end display interface or a display interface of a mobile phone client, in the excavation analysis unit, after the leakage monitoring unit determines the leakage position, the excavation analysis unit can be used, a mouse is used for appointing an area on the ground, the excavated state of the range is simulated, the underground pipeline distribution condition can be displayed, each pipeline can be clicked to display the engineering information, and the system can be operated to perform screenshot of each angle, so that an excavation maintenance plan can be made, and three-dimensional visualization technology can be achieved.
The specified range is: clicking two different points on the ground by a mouse to be used as a diagonal line of a rectangle, wherein the excavated range is the rectangle.
Excavation simulation: after a user designates an excavation range, the three-dimensional scene simulates the ground of the designated range to disappear, and underground pipelines and facilities are displayed.
Auxiliary overhaul: when the excavation state is presented in the three-dimensional scene, a user can click the exposed pipeline to check the information such as the pipe diameter, the type, the starting point and the stopping point. And the user can adjust the lens to a proper angle to output the screenshot of the three-dimensional scene for the auxiliary material of the maintenance plan.
Wherein, the principle that excavation adopted does: the effect of a rectangular excavation face is spliced out by moving five solid cubes, as shown in fig. 4. An example of a method for simulating excavation based on this principle is as follows:
a ground model (named D0) exists in a three-dimensional scene, and five solid cube models with the same size and position are added. The names are B, D1, D2, D3 and D4 respectively.
The lengths of B, D1, D2, D3 and D4 were set to be equal to the length of D0. The widths of B, D1, D2, D3 and D4 were set to be equal to the width of D0. Heights of B, D1, D2, D3, D4 were set to 20 meters. (considering the actual project, the depth of the hole is not 20 m or less)
B. The positions of D1, D2, D3 and D4 are as follows: the center point would be coincident with D0 first, and then the vertical coordinate would be moved so that the top surface of B, D1, D2, D3, D4 coincides with the bottom surface of D0. At this time, the five solid cubes B, D1, D2, D3 and D4 cannot see the five objects due to being below D0 in the three-dimensional scene.
The user clicks the points P1 and P2 in sequence on the ground while inputting the excavation depth s (s <20 m), and then determines the four vertices of the excavation rectangle (P1, P2, C1, C2), according to the click sequence and orientation, as shown in table 1.
TABLE 1
For type one in table 1, align the lower surface of D1 with P1, C2, the left surface of D2 with C2, P2, the upper surface of D3 with C1, P2, the right surface of D4 with P1, C1, and so on for types two, three, four. Move B down s and hide D0. At this time, the system will restrict the lens of the user from moving beyond the original D0 (i.e. the dotted line in fig. 5), so that an excavation effect is simulated in the three-dimensional scene, and the excavation effect can be visually seen based on the display image of the human-computer interface shown in fig. 6.
Based on this, compared with the prior art, the technical scheme provided by the invention has the following advantages:
1. a three-dimensional scene is constructed in a 1:1 mode, and a user can visually check the specific distribution condition of the underground pipelines and inquire the engineering information related to the pipelines in the system and can also visually check the arrangement relationship between the underground pipelines and ground facilities.
2. Through the online ultrasonic leakage detection sensor, a user can know alarm information of a leakage event in real time, and meanwhile, due to the fact that data of the three-dimensional scene is communicated with the sensor through 4G or 5G wireless signals, the user can accurately position specific leakage points in the three-dimensional scene.
3. The user can use the excavation analysis module in the three-dimensional procedure, excavate an area through subaerial simulation, finds out the concrete condition of ground equipment and underground piping near the leak point, can look over the engineering information of pipeline, can screenshot be used for excavating the technical of maintenance plan and crossing the end.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (6)
1. The utility model provides a three-dimensional visual underground pipe network monitoring of leaking hunting and excavation analog system which characterized in that includes: the system comprises a data acquisition module, a wireless transmission module and a three-dimensional monitoring module;
the data acquisition module is connected with the wireless transmission module; the wireless transmission module is connected with the three-dimensional monitoring module;
the data acquisition module is used for acquiring monitoring data of a pipeline to be monitored in the underground pipe network; the wireless transmission module is used for wirelessly transmitting the monitoring data; a computer software program is implanted into the three-dimensional monitoring module; the computer software program is operable to perform the following operations:
generating a three-dimensional static model according to the modeling data; the modeling material comprises: the design drawing of the underground pipe network and the ground building photo corresponding to the underground pipe network;
determining whether the pipeline to be monitored leaks or not according to the monitoring data, and determining a leakage position when the pipeline to be monitored leaks;
and generating a three-dimensional excavation simulation model according to the leakage position.
2. The three-dimensional visualization underground pipe network leakage monitoring and excavation simulation system of claim 1, wherein the data acquisition module comprises a sensing unit; the sensing unit is installed on a pipeline to be monitored.
3. The three-dimensional visual underground pipe network leakage monitoring and excavation simulation system of claim 1, wherein the sensing unit is an ultrasonic sensor.
4. The three-dimensional visual underground pipe network leakage detection monitoring and excavation simulation system of claim 1, wherein the wireless transmission module is configured to wirelessly transmit based on 4G signals or 5G signals.
5. The three-dimensional visual underground pipe network leakage monitoring and excavation simulation system of claim 1, wherein the three-dimensional monitoring module comprises:
the pipe network browsing unit is used for displaying the three-dimensional static model; the three-dimensional static model includes: underground display information, ground display information, pipeline level information and pipeline engineering information;
the leakage monitoring unit is used for determining whether the pipeline to be monitored leaks or not according to the monitoring data, determining a leakage position when the pipeline to be monitored leaks, and rendering the leakage position in the three-dimensional static model;
and the excavation analysis unit is used for generating a three-dimensional excavation simulation model according to the leakage position so as to simulate the distribution information of the underground pipeline and the ground building after the leakage position is excavated.
6. The three-dimensional visual underground pipe network leakage monitoring and excavation simulation system of claim 5, wherein the leakage monitoring unit comprises:
and the alarm display subunit is used for marking the leakage position in the three-dimensional static model by using a flashing alarm icon.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117113595A (en) * | 2023-08-09 | 2023-11-24 | 广州国测规划信息技术有限公司 | Underground pipe network-based earth surface excavation analysis method, device, equipment and medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117113595A (en) * | 2023-08-09 | 2023-11-24 | 广州国测规划信息技术有限公司 | Underground pipe network-based earth surface excavation analysis method, device, equipment and medium |
| CN117113595B (en) * | 2023-08-09 | 2024-06-04 | 广州国测规划信息技术有限公司 | Underground pipe network-based earth surface excavation analysis method, device, equipment and medium |
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