CN115049798A - Metal roof health monitoring system and method based on BIM - Google Patents

Abstract

The invention discloses a BIM-based metal roof health monitoring system and method. The system includes: a detection device and a monitoring server; the detection device is composed of a plurality of sensor devices, which are respectively arranged on the inner surface and the outer surface of the metal roof of the building to be monitored. , real-time detection of the environmental data, force data and displacement data of the metal roof; the monitoring server has a built-in BIM model of the building related to the metal roof to be monitored, and the detected environmental data, force data and displacement data of the metal roof are Feedback to the BIM model; according to the dynamic changes of the BIM model, the health monitoring of the metal roof is realized. The system uses BIM technology to carry out secondary development, and uses the detection device to measure the measured data, transmit it to the BIM model for data processing, and feed it back to the BIM model to visualize the changes in the metal roof, and relevant personnel can follow the changes. Take appropriate maintenance measures to reduce the incidence of accidents.

Description

A BIM-based metal roof health monitoring system and method

technical field

The invention relates to the field of BIM technology and building health monitoring, in particular to the field of metal roof health monitoring, and in particular to a BIM-based metal roof health monitoring system and method.

Background technique

Metal roofing refers to a roofing form in which metal sheets are used as roofing materials, and the structural layer and the waterproof layer are combined into one. There are many types of sheets that can be used as metal roofing, including galvanized sheet, galvanized sheet, aluminum alloy sheet, aluminum-magnesium alloy sheet, titanium alloy sheet, stainless steel sheet, etc. Metal roofing has the advantages of light weight, high strength, flexible design and unique shape, so it is widely used in some large-scale building facilities such as airport terminals. However, due to the large stress area, the metal roof is easily damaged by severe weather such as strong winds. At present, metal roofing facilities in many parts of the world have been damaged by strong winds, causing huge economic losses and even casualties.

Therefore, based on the above factors, how to monitor the status of metal roof facilities, reduce the probability of metal roof damage, and avoid economic losses and casualties has become an urgent problem to be solved.

SUMMARY OF THE INVENTION

Aiming at the problems that the metal roof facilities of existing large buildings such as airport terminals are often damaged by severe weather such as strong winds and cause huge losses, the present invention provides a BIM-based metal roof health monitoring system and method, which can The changes of the system can be visualized, and the relevant personnel can make corresponding maintenance measures according to the changes to reduce the occurrence rate of accidents.

To achieve the above object, the technical scheme adopted in the present invention is:

In a first aspect, an embodiment of the present invention provides a BIM-based metal roof health monitoring system, including: a detection device and a monitoring server;

The detection device is composed of a plurality of sensor devices, which are respectively arranged on the inner surface and the outer surface of the metal roof of the building to be monitored, and detect the environmental data, force data and displacement data of the metal roof in real time;

The monitoring server has a built-in BIM model of the building related to the metal roof to be monitored, and feeds back the detected environmental data, force data and displacement data of the metal roof to the BIM model; according to the dynamic change of the BIM model, Realize the health monitoring of metal roofs.

Further, the detection device includes:

The wind speed sensor, wind pressure sensor, acceleration sensor and force sensor arranged on the surface of the metal roof are used to obtain wind speed, wind pressure, wind acceleration and wind parameters;

The pressure sensor arranged on the lower surface of the metal roof is used to test indoor pressure parameters;

Displacement sensors arranged at the connection between the metal roof and the building are used to monitor the deformation parameters of the connection between the roof and the building.

Further, the monitoring server includes:

The building module is used to construct the BIM model of the metal roof and its related buildings to be monitored;

The acquisition module is used to collect the measured data of the metal roof through the detection device, including: the environment data, the force data and the displacement data;

An input matching module is used to input the measured data, which are respectively stored on the BIM model, so as to complete the matching and corresponding relationship between the BIM model and the measured data;

The feedback update module is used to process the measured data on the BIM model, and feed back the collected measured data to the BIM model, causing dynamic update of the BIM model.

Further, the monitoring server also includes:

The alarm module is used to send an alarm signal through the BIM model when the measured data exceeds the safety threshold to determine the alarm location of the metal roof.

Further, the monitoring server also includes:

The visualization module is used to dynamically update the BIM model, and realize the visualization of roof changes through the BIM model.

Further, the monitoring server also includes:

The safety threshold storage module is used to store the safety thresholds of environmental data, force data and displacement data of various parts of the metal roof, and provide addition, deletion and modification operations.

In a second aspect, embodiments of the present invention further provide a BIM-based metal roof health monitoring method, using the BIM-based metal roof health monitoring system described in any of the above embodiments to implement health monitoring of metal roofs.

Further, the method specifically includes:

Build a BIM model of the metal roof to be monitored and its related buildings

Collect the measured data of the metal roof through the detection device, including: environmental data, force data and displacement data;

Using the secondary development function of the Revit software platform, through the Revit API development tool, input the measured data, and store them on the BIM model respectively to complete the matching relationship between the BIM model and the measured data;

Using the Revit API development tool, the measured data is processed on the BIM model, and the collected measured data is fed back to the BIM model, resulting in a dynamic update of the BIM model.

Further, the method also includes:

When the measured data exceeds the safety threshold, an alarm signal is sent through the BIM model to determine the alarm location of the metal roof.

Further, the method also includes:

The dynamic update of the BIM model enables visualization of roof changes through the BIM model.

Compared with the prior art, the present invention has the following beneficial effects:

A BIM-based metal roof health monitoring system includes: a detection device and a monitoring server; the detection device is composed of a plurality of sensor devices, which are respectively arranged on the inner surface and outer surface of the metal roof of the building to be monitored, and real-time detection of the metal roof The monitoring server has built-in BIM model of the building related to the metal roof to be monitored, and feeds back the detected environmental data, force data and displacement data of the metal roof to the BIM model; according to the dynamic changes of the BIM model, the health monitoring of the metal roof is realized. The system uses BIM technology to establish a BIM model of the metal roof and its related buildings, and conduct secondary development on the basis of the BIM model. The measured data is measured by the detection device and transmitted to the BIM model for data processing. At the same time, the transmitted data and processing results are fed back to the BIM model, so that the BIM model can be dynamically updated, and the changes of the metal roof can be visualized and related. Personnel can take corresponding maintenance measures according to the changing situation, reduce the incidence of accidents, and realize real-time monitoring of the life cycle of metal roofs to ensure safety.

Description of drawings

1 is a schematic structural diagram of a BIM-based metal roof health monitoring system provided by an embodiment of the present invention;

2 is a functional structural block diagram of a monitoring server provided by an embodiment of the present invention;

3 is a schematic diagram of a BIM-based metal roof health monitoring system provided by an embodiment of the present invention;

FIG. 4 is a structural diagram of a BIM-based metal roof health monitoring method provided by an embodiment of the present invention.

Detailed ways

In order to make the technical means, creative features, achievement goals and effects realized by the present invention easy to understand, the present invention will be further described below with reference to the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end" and "the other end" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, with a specific orientation. The orientation configuration and operation are therefore not to be construed as limitations of the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense, for example, "connected" may be a fixed connection It can also be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or the internal communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Based on the existing technology, the metal roof is easily damaged by severe weather such as strong wind. The present invention combines the emerging Building Information Modeling (BIM) technology in recent years to build the metal roof on the basis of the BIM platform. health monitoring system. BIM is a new tool for architecture, engineering and civil engineering.

The system is constructed by establishing a BIM model of metal roofs and related buildings on the Revit platform, and based on the model, combined with the measured data measured by the detection device. By transmitting the measured data to the BIM model, the BIM update can be realized. Using the dynamic change characteristics of BIM technology, the changes of the BIM model can be visualized, so that the changes of the metal roof can be monitored in real time, and the changes in the metal roof can be monitored in time under severe weather conditions. Master the changes in the metal roof, so as to make corresponding preventive measures.

Referring to FIG. 1 , a BIM-based metal roof health monitoring system provided by an embodiment of the present invention includes: a detection device and a monitoring server; the detection device is composed of a plurality of sensor devices, which are respectively arranged on the inner surface and the inner surface of the metal roof of the building to be monitored. External surface, real-time detection of environmental data, force data and displacement data of the metal roof;

The monitoring server has a built-in BIM model of the building related to the metal roof to be monitored, and feeds back the detected environmental data, force data and displacement data of the metal roof to the BIM model; according to the dynamic changes of the BIM model, the health of the metal roof is realized. monitor.

Among them, as shown in Figure 1, the wind speed sensor 1, acceleration sensor 2, wind pressure sensor 3 and force sensor 4 arranged on the surface of the metal roof are used to obtain wind speed, wind pressure, wind acceleration and wind parameters; The pressure sensor 5 on the lower surface is used to test indoor pressure parameters;

The displacement sensor 6 arranged at the connection between the metal roof and the building is used to monitor the deformation parameters of the connection between the roof and the building. It can also be arranged at the edge of the building metal roof, the windward side, the connection between the panel and the support, the bolt connection of the fixed bracket, etc. according to the needs. All the above sensor devices, as the collection terminal node, can wirelessly transmit data packets to the indoor Zigbee coordinator according to the area. The Zigbee coordinator is directly connected to the PLC slave station through the RS232 serial port; a Profinet star is formed between the PLC slave station and the master station. The network can increase the number of PLC slave stations to achieve many-to-one communication; the PLC master station and monitoring server can be placed in the central control room. In addition, the sensor device can also transmit data to the monitoring server through other communication methods, such as WIFI, 4G, and 5G communication modules. In addition, the embodiments of the present disclosure do not limit the models of all the above-mentioned sensor devices, as long as the corresponding detection functions can be implemented and can be transmitted to the monitoring server.

Specifically, as shown in Figure 2, the monitoring server includes:

The building module 21 is used to construct the BIM model of the metal roof and related buildings to be monitored; the physical and geometric information of the metal roof and related building entities can be established on the Revit software platform according to the metal roof construction drawings and building materials and other related materials The same BIM model. In the modeling process, the model of different components needs to create a unified grid and elevation, and create the frame-core structure of the overall building. The modeling process is modeled in strict accordance with the requirements of the modeling specification, so that different component models can be well linked and interact with each other.

The collection module 22 is used to collect the measured data of the metal roof through the detection device, including: the environment data, the force data and the displacement data;

The input matching module 23 is used to input the measured data, which are respectively stored on the BIM model to complete the matching relationship between the BIM model and the measured data; using the secondary development function of the Revit software platform, through the Revit API development tool, develop The measured data entry function, the measured data query function, etc., the measured data distribution is stored on the BIM model, and the real-time viewing of the measured data in the relevant area can be completed through the model, so that the model and the data form a one-to-one correspondence relationship to complete the measured data. Link with the model.

The feedback updating module 24 is configured to process the measured data on the BIM model, and feed back the collected measured data to the BIM model, thereby causing dynamic updating of the BIM model.

The alarm module 25 is configured to send an alarm signal through the BIM model when the measured data exceeds a safety threshold to determine the alarm location of the metal roof.

The visualization module 26 is used to dynamically update the BIM model, and realize the visualization of roof changes through the BIM model.

The safety threshold value storage module 27 is used to store the safety threshold values of environmental data, force data and displacement data of various parts of the metal roof, and provide addition, deletion and modification operations.

As shown in Figure 3, which is the working principle diagram of the BIM-based metal roof health monitoring system, the Revit API development tool is used to develop data processing functions on the BIM model. First, the acquired deformation data of the metal roof is fed back to the BIM model, causing the dynamic update of the BIM model. And set the safety threshold data of the metal roof under normal conditions, and then evaluate the measured data threshold in real time. If the measured data exceeds the safety threshold, it will be fed back to the BIM model, and an alarm signal will be given through the BIM model to determine the metal roof alarm location.

The BIM-based metal roof health monitoring system provided by the embodiments of the present invention utilizes the BIM technology to establish a BIM model of the metal roof and its related buildings, and performs secondary development on the basis of the BIM model. The measured data is measured by the detection device and transmitted to the BIM model for data processing. At the same time, the transmitted data and processing results are fed back to the BIM model, so that the BIM model can be dynamically updated and the changes in the metal roof can be visualized. Corresponding maintenance measures can be made according to the changing situation to reduce the occurrence rate of accidents.

This solution can be applied to the health monitoring of the metal roof of the airport terminal. The BIM model of the airport terminal is built using the Revit platform, and sensors are arranged on the metal roof and at the connection between the metal roof and the building to conduct external environmental data analysis. The collection of internal structural change data, followed by secondary development based on the BIM model, can monitor the health of the metal roof of the airport terminal and timely alarm the damaged parts of the metal roof, so that the staff can do maintenance work in a timely manner.

Based on the same inventive concept, an embodiment of the present invention also provides a BIM-based metal roof health monitoring method, as shown in FIG. 4 , including:

S10, constructing a BIM model of the metal roof to be monitored and its related buildings.

S20. Collect the measured data of the metal roof through the detection device, including: environmental data, force data and displacement data;

S30, using the secondary development function of the Revit software platform, and through the Revit API development tool, input the measured data, and store them on the BIM model respectively, so as to complete the matching and corresponding relationship between the BIM model and the measured data;

S40. Use the Revit API development tool to process the measured data on the BIM model, and feed back the collected measured data to the BIM model, causing dynamic updating of the BIM model;

S50. When the measured data exceeds the safety threshold, send an alarm signal through the BIM model to determine the alarm location of the metal roof;

S60. Dynamically update the BIM model, and realize the visualization of roof changes through the BIM model.

In this embodiment, in step S10, a BIM model of the metal roof and related buildings is established. According to the metal roof construction drawings and building materials and other related materials, a BIM model with the same physical and geometric information as the metal roof and related building entities is established on the Revit software platform. In the modeling process, the model of different components needs to create a unified grid and elevation, and create the frame-core structure of the overall building. The modeling process is modeled in strict accordance with the requirements of the modeling specification, so that different component models can be well linked and interact with each other.

In step S20, measured data is collected; wind speed sensors, wind pressure sensors, acceleration sensors, and force sensors are arranged on the metal roof; pressure sensors are arranged in the metal roof for testing indoor pressure; at the connection between the metal roof and the building Precise displacement sensors are arranged to monitor the deformation of the connection between the roof and the building. Through the arrangement of the above sensors, a detection device of the metal roof health monitoring system is formed, which is used to collect the external condition change data and structural change data of the metal roof. Referring to Fig. 1, it is the general distribution of each sensor.

In step S30, the secondary development function of the Revit software platform is used, and the measured data entry function, the measured data query function, etc. are developed through the Revit API development tool, and the measured data is distributed and stored on the BIM model, and the related data can be completed through the model. The real-time viewing of the regional measured data enables the model and data to form a one-to-one correspondence, and completes the linkage between the measured data and the model.

In steps S40-60, a data processing function is developed on the BIM model by using the Revit API development tool. First, the acquired deformation data of the metal roof is fed back to the BIM model, causing the dynamic update of the BIM model. And set the safety threshold data of the metal roof under normal conditions, and then evaluate the measured data and safety threshold in real time. If the measured data exceeds the safety threshold, it will be fed back to the BIM model, and an alarm signal will be given through the BIM model to determine the metal roof alarm location. , to facilitate maintenance and timely remediation by managers.

In this embodiment, the BIM technology is applied to the health monitoring of the metal roof, and the three-dimensional characteristics and dynamic change characteristics of the BIM model are used to link the measured data with the BIM model, so that the changes of the metal roof caused by external conditions can be visualized. Using the secondary development function of Revit, the data processing function is established in the BIM model, the measured data and the safety threshold data are evaluated, and the evaluation results are fed back to the model, causing the BIM model to be dynamically updated and providing alarm information. Compared with the existing metal roof health monitoring system, the system can visualize the changes of the roof, and accurately locate and respond to the damaged parts, which is beneficial to the relevant personnel to carry out maintenance measures in a timely manner. Reference is provided.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and the descriptions in the above-mentioned embodiments and the description are only to illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have Various changes and modifications fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. A metal roofing health monitoring system based on BIM, its characterized in that includes: a detection device and a monitoring server;

the detection device consists of a plurality of sensor devices which are respectively arranged on the inner surface and the outer surface of the metal roof of the building to be monitored, and is used for detecting environmental data, stress data and displacement data of the metal roof in real time;

the monitoring server is internally provided with a BIM model of a building related to the metal roof to be monitored, and feeds back detected environmental data, stress data and displacement data of the metal roof to the BIM model; and realizing the health monitoring of the metal roof according to the dynamic change of the BIM model.

2. The BIM-based metal roofing health monitoring system of claim 1 wherein the detection device comprises:

the wind speed sensor, the wind pressure sensor, the acceleration sensor and the force sensor are arranged on the upper surface of the metal roof and used for acquiring wind speed, wind pressure, wind acceleration and wind parameters;

the pressure sensor is arranged on the lower surface of the metal roof and used for testing indoor pressure parameters;

and the displacement sensor is arranged at the joint of the metal roof and the building and used for monitoring the deformation parameters of the joint of the roof and the building.

3. The BIM-based metal roofing health monitoring system of claim 2 wherein the monitoring server comprises:

the building module is used for building a BIM model of the metal roof to be monitored and the relevant buildings thereof;

the collection module is used for passing through detection device gathers the measured data of metal roofing, includes: the environmental data, the stress data and the displacement data are acquired;

the input matching module is used for inputting the measured data, respectively storing the measured data on the BIM model and completing the matching corresponding relation between the BIM model and the measured data;

and the feedback updating module is used for processing the measured data on the BIM and feeding the acquired measured data back to the BIM to cause the dynamic updating of the BIM.

4. The BIM-based metal roofing health monitoring system of claim 3 wherein the monitoring server further comprises:

and the alarm module is used for sending out an alarm signal through the BIM model when the actually measured data exceeds a safety threshold value, and determining the alarm position of the metal roof.

5. The BIM-based metal roofing health monitoring system of claim 3 wherein the monitoring server further comprises:

and the visualization module is used for dynamically updating the BIM model and realizing the visualization of the roof change condition through the BIM model.

6. The BIM-based metal roofing health monitoring system of claim 4 wherein the monitoring server further comprises:

and the safety threshold storage module is used for storing the safety thresholds of the environmental data, the stress data and the displacement data of all parts of the metal roof and providing the operations of increasing, deleting and modifying.

7. A BIM-based metal roof health monitoring method is characterized in that the BIM-based metal roof health monitoring system of any one of claims 1 to 6 is used for realizing the health monitoring of a metal roof.

8. The BIM-based metal roof health monitoring method according to claim 6, wherein the method specifically comprises:

building Information Model (BIM) model for metal roof to be monitored and related buildings thereof

Gather the measured data of metal roofing through detection device, include: the environmental data, the stress data and the displacement data are acquired;

inputting the measured data by utilizing a secondary development function of a Revit software platform and a Revit API development tool, and respectively storing the measured data on the BIM to complete the matching corresponding relation between the BIM and the measured data;

and processing the measured data on the BIM by utilizing a Revit API development tool, and feeding back the acquired measured data to the BIM to cause dynamic update of the BIM.

9. The BIM-based metal roofing health monitoring method of claim 8, further comprising:

and when the measured data exceeds a safety threshold, sending an alarm signal through the BIM model, and determining the alarm part of the metal roof.

10. The BIM-based metal roof health monitoring method of claim 8, further comprising:

and dynamically updating the BIM model, and realizing the visualization of the roof change condition through the BIM model.

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