CN108520342B - BIM-based Internet of things platform management method and system - Google Patents
BIM-based Internet of things platform management method and system Download PDFInfo
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Abstract
The invention discloses a BIM-based Internet of things platform management method, which comprises the following steps: analyzing an original BIM (building information and building weight) model containing building information and building weight by adopting an HTML5/WebGL technology, and carrying out lightweight processing on the BIM model at a browser end or a mobile end by using the WebGL technology to obtain a BIM lightweight model; various monitoring data of a construction site are obtained, the monitoring data are integrated on a BIM lightweight model to be visualized, data processing and analysis are carried out on the same Internet of things platform, and hardware feedback and decision feedback are carried out after data analysis so as to assist in site management of projects. The BIM-based Internet of things platform management method provided by the invention is convenient for monitoring a plurality of information in building construction projects.
Description
Technical Field
The invention relates to the technical field of building information management, in particular to a BIM-based Internet of things platform management method and system.
Background
At present, building construction projects face one or more of the problems of large quantity, short construction period, many process interlude, large personnel flow amplitude, large safety supervision difficulty, many material types, inaccurate data of construction equipment such as a tower crane elevator, high requirements on energy conservation, emission reduction, green construction and the like. The traditional manual solving method is high in cost, low in efficiency, untimely in information acquisition and unsatisfactory in achieved effect, and an informatization means is urgently needed to improve quality and reduce consumption, improve efficiency, enable projects to progress towards intellectualization under informatization and automation, and achieve an intelligent construction site.
Disclosure of Invention
The invention mainly aims to provide a BIM-based Internet of things platform management method and a system thereof, and aims to facilitate monitoring of a plurality of information in a building construction project.
In order to achieve the purpose, the invention provides a BIM-based Internet of things platform management method, which comprises the following steps:
analyzing an original BIM (building information and building weight) model containing building information and building weight by adopting an HTML5/WebGL technology, and carrying out lightweight processing on the BIM model at a browser end or a mobile end by using the WebGL technology to obtain a BIM lightweight model;
various monitoring data of a construction site are obtained, the monitoring data are integrated on a BIM lightweight model to be visualized, data processing and analysis are carried out on the same Internet of things platform, and hardware feedback and decision feedback are carried out after data analysis so as to assist in site management of projects.
Preferably, when the original BIM model containing the building information and the building amount is analyzed by adopting the HTML5/WebGL technology, the geometric information in the original BIM model is derived into triangular face graphic data in a general format, the grid data is divided into points on the face which are all on the boundary line according to the parameterization rule of the arrangement sequence of the triangular faces, the points on the face are not all on the boundary line, the points on the boundary are simplified for the first type of grid data, the original grid data is simplified from left to right and from bottom to top layer by layer from the boundary for the second type of grid data, and the WebGL technology is used for redrawing, rendering and lightening the m model at a browser end or a mobile BIM end.
Preferably, various monitoring data of a construction site are acquired, when the monitoring data are integrated on a BIM lightweight model to be visualized, geometric information in an original BIM model is exported to triangular surface graphic data in a general format, useful assembly information and attribute information in the BIM model are extracted to be structurally stored, the attribute data of each component in the model are converted into three-dimensional architecture data capable of being added with BA information through a development interface, a sensor, a controller and equipment are added to a converted data platform, and the Internet of things information is updated to the data platform in real time through an intermediate processor and a data transmission technology.
Preferably, the construction site monitoring data are uploaded through a site management APP terminal, wherein the component naming rules in the BIM model are the same as the naming rules of the daily inspection part of the site management APP terminal, so that the form of quality management can be associated with each other through the parameters of the BIM model, and anchor point display of the quality management data on the BIM model is realized.
The invention further provides a BIM-based platform management system of the Internet of things, which comprises the following components:
the BIM lightweight model processing module is used for analyzing an original BIM model containing huge redundant massive building information and huge building quantity by adopting an HTML5/WebGL technology, and carrying out lightweight processing on the BIM model at a browser end or a mobile end by using the WebGL technology so as to obtain the BIM lightweight model;
and the data management module is used for acquiring various monitoring data of a construction site, integrating the monitoring data on the BIM lightweight model to enable the monitoring data to be visualized, performing data processing analysis on the same Internet of things platform, and performing hardware feedback and decision feedback after the data analysis to assist in the site management of projects.
Preferably, the data management module includes:
personnel and business turn over vehicle management module includes: the personnel management unit is used for realizing attendance registration, qualification authentication, three-dimensional visual distribution statistics and labor analysis of field personnel on the construction field by adopting a radio frequency RFID technology and a BIM model multi-point touch WEBGL technology; the system comprises an in-out vehicle management unit, a vehicle monitoring unit and a vehicle monitoring unit, wherein the in-out vehicle management unit is used for acquiring vehicle photographing registration and automatic license plate identification information of an in-out construction site;
a security management module comprising: the video monitoring unit is used for monitoring construction key positions; the patrol inspection unit is used for marking a patrol inspection route and an inspection point in the BIM through the project patrol inspection APP, realizing the clicking check of the inspection data in the BIM, and realizing the security duty attendance and the project daily safety condition record; the danger area alarm unit is used for arranging a human body infrared displacement sensor in a site danger area, when a person approaches, the audible and visual alarm is immediately started, meanwhile, alarm information is integrated into the BIM model, and information is automatically sent to relevant personnel for processing; the high formwork deformation monitoring unit is used for monitoring the deformation of the high formwork in real time and carrying out danger early warning by mounting a flexible binary body deformation monitoring device on the high formwork;
the quality management module is used for recording field management APP after field inspection condition is collected through the field management APP, uploading the field management APP to a cloud platform in real time or off line, and collecting and displaying data on a BIM model to realize field quality problem informatization collection and management;
a large scale equipment management module comprising: the tower crane monitoring unit monitors the large arm elevation angle, the rotation angle and the load data of the tower crane in real time, the data are dynamically visible in the cloud platform BIM model, and the anti-collision, safe load monitoring and safe brake control of the tower crane are realized; the construction elevator monitoring unit is used for monitoring the floor where the elevator is located and the number of operating personnel in the elevator when the elevator stops at the floor;
a material management module comprising: the intelligent wagon balance unit is used for automatically registering, photographing, hooking and uploading material vehicles by additionally arranging a sensor and a license plate recognition camera in a wagon balance weighing system of a construction site, realizing data association in a cloud platform BIM model and automatically forming a material entrance report; the component material tracing unit is used for monitoring the processes of production, transportation, installation and acceptance of the main steel structure or the assembly component of the project; the warehouse material informatization unit is used for pasting the two-dimensional code when the project material enters the field, scanning the two-dimensional code to extract the material when the material is allocated, transmitting the warehousing and allocation information to the Internet of things platform in real time, integrating the warehousing and allocation information into the BIM model, and automatically generating a material use data report;
environmental monitoring and energy consumption management module includes: the environment monitoring unit is used for realizing automatic monitoring of noise, raised dust, temperature, humidity, wind speed, wind direction and sewage in a construction site, dynamically displaying data in a BIM (building information modeling) model, feeding the data back to automatic control equipment such as a water pump and a spraying dust-settling system and realizing real-time monitoring and automatic control of the environment; and the energy consumption management unit is used for acquiring the electricity consumption, the water consumption and the solid waste recycling amount in the project construction process, carrying out real-time online monitoring and realizing three-dimensional visualization and data analysis of data on the BIM model.
Preferably, the construction elevator monitoring unit is used for adopting a radio frequency RFID technology, when the floor where the elevator is located and the number of operating personnel in the elevator when the elevator stops are automatically counted, RFID chips are pasted on each floor, the number of the chips corresponds to the number of the floors one to one, when the operating personnel wearing the RFID chip safety caps with preloaded personnel information enter and exit the elevator, the RFID receiver in the elevator cage automatically counts the floor where the elevator is located and the data of the operating personnel in the elevator when the elevator stops, the data are integrated into the BIM model, so that the personnel distribution condition of each floor on site is visually displayed in the BIM model, and the safe operation load condition of the elevator is monitored in real time.
Preferably, construct accessory material and trace back the unit for adopt the main steel construction of dynamic two-dimensional code mark collection project or the process of the production, transportation, installation, acceptance of assembly formula component, through cell-phone end on-the-spot entry acceptance information to in the server BIM model of synchronization, with specific colour visual display in the BIM model with mainly constitute the accessory and carry out real-time tracking control, supplementary mainly constitute the installation progress management of accessory.
Preferably, the video monitoring unit is used for setting monitoring equipment at important positions of a project construction site, marking the positions of the monitoring equipment in the three-dimensional BIM model, clicking corresponding monitoring points in the BIM model to check remote images of a WEB end and a mobile end, and calling and storing the monitoring in real time.
The BIM-based Internet of things platform management method provided by the invention combines the BIM and the Internet of things, and has the following beneficial effects.
1. Position expression ability: the position expression ability of the Internet of things is enhanced by the BIM technology, and each piece of information of the Internet of things has an identifier for expressing three-dimensional information of the Internet of things, so that remote communication in the building and operation and maintenance processes is smoother, remote office work is more efficient, and decision making is more accurate.
2. The safety of project site operation is improved, video monitoring and BIM model linkage are comprehensive and three-dimensional, large-scale equipment monitoring data are real-time and accurate, and danger early warning is more automatic and timely.
3. BIM and Internet of things integrated application: the BIM technology plays roles of upper-layer information integration, interaction, display and management, and the Internet of things technology plays roles of bottom-layer information perception, collection, transmission and monitoring. The two integrated applications can realize 'information flow closed loop' in the whole building process, realize organic integration between virtual information management and entity environment hardware, and conveniently manage a plurality of data in the building construction process.
4. The BIM model is the best carrier of engineering construction process information: with the increase of the BIM and the solid building, data are accumulated in a large amount, big data analysis is realized, the service efficiency is improved through the data analysis, and data support is provided for lean construction and green construction.
Drawings
FIG. 1 is a flow chart of a BIM-based platform management method of the Internet of things of the invention;
FIG. 2 is a schematic structural diagram of a BIM-based platform management system of the Internet of things of the present invention;
fig. 3 is a schematic diagram of the BIM-based platform management system of the internet of things according to the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It should be noted that in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Specifically, referring to fig. 1, in the preferred embodiment, a BIM-based platform management method for internet of things includes the following steps:
step S10, analyzing an original BIM model containing building information and building quantity by adopting HTML5/WebGL technology, and carrying out lightweight processing on the BIM model at a browser end or a mobile end by using the WebGL technology to obtain a BIM lightweight model;
and S20, acquiring various monitoring data of a construction site, integrating the monitoring data on a BIM lightweight model to enable the monitoring data to be visualized, performing data processing analysis on the same Internet of things platform, and performing hardware feedback and decision feedback after the data analysis to assist in the site management of projects.
Specifically, when the original BIM model containing the building information and the building amount is analyzed by the HTML5/WebGL technology, the geometric information in the original BIM model is derived into triangular panel graphic data in a general format, the mesh data is divided into points on the surface which are not all on the boundary line according to the parameterization rule of the arrangement sequence of the triangular surfaces, the points on the surface are not all on the boundary line, for the first type of mesh data (namely, the network data with the points on the surface all on the boundary line), only the points on the boundary are required to be simplified, for the second type of mesh data (the network data with the points on the surface not all on the boundary line), the original mesh data is simplified from left to right from the boundary, from bottom to top, and the BIM model is redrawn and rendered and lightened by the WebGL technology at the browser end or the mobile end.
The method comprises the steps of obtaining various monitoring data of a construction site, when the monitoring data are integrated on a BIM lightweight model to be visualized, exporting geometric information in an original BIM into triangular surface graphic data in a general format, extracting useful assembly information and attribute information in the BIM to be structurally stored, converting the attribute data of each component in the model into three-dimensional stereo architecture data capable of being added with BA information by providing a development interface, adding a sensor, a controller and equipment to a converted data platform, and updating the information of the Internet of things to the data platform in real time through an intermediate processor and a data transmission technology.
The construction site monitoring data are uploaded through a field management APP terminal, wherein the component naming rules in the BIM model are the same as the naming rules of the daily inspection part of the field management APP terminal, so that the form of quality management can be associated with each other through the parameters of the BIM model, and anchor point display of the quality management data on the BIM model is achieved.
In addition, a specific model component code is added into the progress plan and the BIM model, so that the progress plan and the BIM model are automatically associated, and the BIM model is updated along with the modification and adjustment of the progress plan or the advance of construction time.
The BIM-based Internet of things platform management method provided by the invention has the advantages that according to the requirement of project construction site management, various information sensor devices with sensing, calculating and executing capabilities and a wireless sensing network consisting of a Wifi AP, a wireless router, a GPRS transmission and a Wifi serial server are arranged on a construction site, various data (document data, real-time data, historical data, image data and video data) of personnel, quality, safety, materials, environment, large-scale equipment and the like covered on the site are integrated into an independently developed Internet of things cloud platform, the collection of project construction site data is completed, the cloud server carries out intelligent processing, data mining, big data analysis and big data storage on the mass data, meanwhile, the system is linked with a feedback control mechanism to realize safe operation of equipment, safe early warning and alarming, safe environment real-time monitoring, structural deformation real-time monitoring, personnel material intelligent management and the like; analyzing an original BIM (building information modeling) model containing huge redundant massive building information and huge building quantity by adopting an HTML5/WebGL technology, redrawing, rendering and lightweight processing are carried out on the BIM model at a browser end or a mobile end by using the WebGL technology, the BIM lightweight model is led into an Internet of things management platform, a monitoring point is linked with the BIM model, the BIM model can be rapidly zoomed, rotated and skipped from view point, and the operation data of each module in a construction site can be rapidly viewed through model directory structure tree browsing, model component hiding and displaying, model component information displaying and searching and the like; with the growth of BIM models and physical buildings, various monitoring data of construction sites comprise twelve systems, such as personnel information, tower cranes, top forms, elevators, dust, noise, sewage, door control, water use, electricity consumption, high formwork support, dangerous area alarm, intelligent weighbridge, site management systems and the like, personnel, the method comprises the steps of obtaining mass accumulation of six types of data such as quality, safety, equipment, environment and materials, hanging a BIM model on the data of real environment data, real building data and real behaviors, storing the data in a distributed database, getting through the collection, analysis, statistics and application of project basic data until a full-period information management chain of the large database is formed, realizing the comprehensive monitoring and analysis of people, machines, materials, methods and rings in a construction site, comprehensively controlling the project business process and improving the process, and improving the lean production management level of the construction site.
The BIM-based Internet of things platform management method provided by the invention combines the BIM and the Internet of things, and has the following beneficial effects.
1. Position expression ability: the position expression ability of the Internet of things is enhanced by the BIM technology, and each piece of information of the Internet of things has an identifier for expressing three-dimensional information of the Internet of things, so that remote communication in the building and operation and maintenance processes is smoother, remote office work is more efficient, and decision making is more accurate.
2. The safety of project site operation is improved, video monitoring and BIM model linkage are comprehensive and three-dimensional, large-scale equipment monitoring data are real-time and accurate, and danger early warning is more automatic and timely.
3. BIM and Internet of things integrated application: the BIM technology plays roles of upper-layer information integration, interaction, display and management, and the Internet of things technology plays roles of bottom-layer information perception, collection, transmission and monitoring. The two integrated applications can realize 'information flow closed loop' in the whole building process, realize organic integration between virtual information management and entity environment hardware, and conveniently manage a plurality of data in the building construction process.
4. The BIM model is the best carrier of engineering construction process information: with the increase of the BIM and the solid building, data are accumulated in a large amount, big data analysis is realized, the service efficiency is improved through the data analysis, and data support is provided for lean construction and green construction.
The invention further provides a BIM-based platform management system of the Internet of things.
Referring to fig. 2 and 3, in the preferred embodiment, a BIM-based platform management system for internet of things includes:
the BIM lightweight model processing module is used for analyzing an original BIM model containing huge redundant massive building information and huge building quantity by adopting an HTML5/WebGL technology, and carrying out lightweight processing on the BIM model at a browser end or a mobile end by using the WebGL technology so as to obtain the BIM lightweight model;
and the data management module is used for acquiring various monitoring data of a construction site, integrating the monitoring data on the BIM lightweight model to enable the monitoring data to be visualized, performing data processing analysis on the same Internet of things platform, and performing hardware feedback and decision feedback after the data analysis to assist in the site management of projects.
Wherein, the data management module includes:
personnel and business turn over vehicle management module includes: the personnel management unit is used for realizing attendance registration, qualification authentication, three-dimensional visual distribution statistics and labor analysis of field personnel on the construction field by adopting a radio frequency RFID technology and a BIM model multi-point touch WEBGL technology; the system comprises an in-out vehicle management unit, a vehicle monitoring unit and a vehicle monitoring unit, wherein the in-out vehicle management unit is used for acquiring vehicle photographing registration and automatic license plate identification information of an in-out construction site;
a security management module comprising: the video monitoring unit is used for monitoring construction key positions; the patrol inspection unit is used for marking a patrol inspection route and an inspection point in the BIM through the project patrol inspection APP, realizing the clicking check of the inspection data in the BIM, and realizing the security duty attendance and the project daily safety condition record; the danger area alarm unit is used for arranging a human body infrared displacement sensor in a site danger area, when a person approaches, the audible and visual alarm is immediately started, meanwhile, alarm information is integrated into the BIM model, and information is automatically sent to relevant personnel for processing; the high formwork deformation monitoring unit is used for monitoring the deformation of the high formwork in real time and carrying out danger early warning by mounting a flexible binary body deformation monitoring device on the high formwork;
the quality management module is used for recording field management APP after field inspection condition is collected through the field management APP, uploading the field management APP to a cloud platform in real time or off line, and collecting and displaying data on a BIM model to realize field quality problem informatization collection and management;
a large scale equipment management module comprising: the tower crane monitoring unit monitors the large arm elevation angle, the rotation angle and the load data of the tower crane in real time, the data are dynamically visible in the cloud platform BIM model, and the anti-collision, safe load monitoring and safe brake control of the tower crane are realized; the construction elevator monitoring unit is used for monitoring the floor where the elevator is located and the number of operating personnel in the elevator when the elevator stops at the floor;
a material management module comprising: the intelligent wagon balance unit is used for automatically registering, photographing, hooking and uploading material vehicles by additionally arranging a sensor and a license plate recognition camera in a wagon balance weighing system of a construction site, realizing data association in a cloud platform BIM model and automatically forming a material entrance report; the component material tracing unit is used for monitoring the processes of production, transportation, installation and acceptance of the main steel structure or the assembly component of the project; the warehouse material informatization unit is used for pasting the two-dimensional code when the project material enters the field, scanning the two-dimensional code to extract the material when the material is allocated, transmitting the warehousing and allocation information to the Internet of things platform in real time, integrating the warehousing and allocation information into the BIM model, and automatically generating a material use data report;
environmental monitoring and energy consumption management module includes: the environment monitoring unit is used for realizing automatic monitoring of noise, raised dust, temperature, humidity, wind speed, wind direction and sewage in a construction site, dynamically displaying data in a BIM (building information modeling) model, feeding the data back to automatic control equipment such as a water pump and a spraying dust-settling system and realizing real-time monitoring and automatic control of the environment; and the energy consumption management unit is used for acquiring the electricity consumption, the water consumption and the solid waste recycling amount in the project construction process, carrying out real-time online monitoring and realizing three-dimensional visualization and data analysis of data on the BIM model.
Specifically, construction elevator monitoring unit for adopt radio frequency RFID technique, when automatic statistics elevator place floor and the operation personnel number in the elevator when stopping this floor, paste the RFID chip at every floor, chip quantity and floor number one-to-one, when the operation personnel who wears preloading personnel information RFID chip safety cap gets in and out the elevator, operation personnel data in the elevator when elevator cage RFID receiver automatic statistics elevator place floor and this floor of stopping, integrate to in the BIM model, with the personnel distribution condition of each floor in visual display scene in the BIM model, and the safe operation load condition of real time monitoring elevator. Therefore, the installation number of the RFID receivers can be greatly reduced, and a method for measuring the real-time running height of the construction elevator is provided.
The invention provides a BIM-based Internet of things platform management system, which comprises: lightweight BIM model, safety helmet, paste the RFID chip of preloading personnel information on the safety helmet, RFID receiver, camera, wireless temperature collector, high formwork monitoring system, tower crane anticollision monitored control system, intelligent weighbridge, remove weighbridge, air quality monitoring system, quality of water on-line monitoring appearance, intelligent water gauge, smart electric meter, dry-type low pressure current ratio ware and wireless transmission module, high in the clouds server and thing networking cloud platform.
Specifically, construct accessory material and trace back unit for adopt the main steel construction of dynamic two-dimensional code mark collection project or the process of production, transportation, installation, acceptance of assembly to construct the accessory, through cell-phone end on-the-spot entering acceptance information to in the server BIM model of synchronization, with specific colour visual display in the BIM model with mainly construct the accessory and carry out real-time tracking control, supplementary mainly construct the installation progress management of accessory. The BIM model is visually displayed by specific colors, the states of main components are clear at a glance, and progress tracking is facilitated.
And the video monitoring unit is used for marking the position of the monitoring equipment in the three-dimensional BIM model by setting the monitoring equipment at the important position of the project construction site, and carrying out WEB end and mobile end remote image viewing by clicking the corresponding monitoring point in the BIM model, so that monitoring can be called and stored in real time. By adding the video monitoring anchor point in the BIM model, the three-dimensional coordinates of the monitoring point can be displayed more visually, stereoscopically and accurately, and the monitoring is convenient to check.
The working process of the personnel and the entering and exiting vehicle management module is as follows.
(1) Carrying out statistics on one-to-one correlation between the identity information of the operating personnel and the data read by the RFID chip in advance, and integrally importing the identity information and the data into a background database of the platform of the Internet of things by adopting an Excel table;
(2) when an operator wearing the safety helmet with the preloaded personnel information chip enters a construction site and each construction area, the RFID receiver automatically reads personnel information data on the chip, performs classification statistics and uploads the personnel information data to the Internet of things platform, associates the information with the BIM model, realizes visualization of personnel data information on the BIM model, and realizes attendance registration and qualification authentication of the operator on the construction site in and out of the site, on-site labor force distribution statistics and auxiliary project labor force management.
The operation of the security management module is as follows.
(1) The method comprises the steps that monitoring equipment is arranged at an important position of a project construction site, the position of the monitoring equipment is marked in a three-dimensional BIM model, monitoring points can be directly opened through the model, remote images of a WEB end and a mobile end are checked, and monitoring can be called and stored in real time;
(2) developing a project patrol inspection APP, planning a patrol inspection route in advance, setting patrol inspection points, marking in a BIM model, signing by a security guard from the patrol inspection APP to each patrol inspection point along the patrol inspection route in a specified time period, reporting patrol inspection conditions by adopting characters, pictures, videos or voices, uploading data such as time, patrol inspection personnel, patrol inspection points, patrol inspection conditions and the like to an Internet of things platform for filing, and clicking and checking the data on the BIM model to realize security guard duty attendance and project daily safety condition recording;
(3) by arranging the movable infrared sensing device to a field dangerous area, when a person approaches the dangerous area, the audible and visual alarm is started immediately; by arranging the flexible binary body deformation monitoring device on the high formwork support body, various parameters such as settlement, inclination angle, transverse displacement, space curve and the like are collected in real time by using the high-precision inclination angle sensor, and sound and light alarm is started when the parameters exceed a safety threshold. Meanwhile, related alarm information can be automatically uploaded to the cloud platform, dynamic display is carried out at the corresponding position of the BIM model, and meanwhile, the alarm information is automatically sent to related personnel for processing.
The operation of the quality management module is as follows.
By developing the field management APP, when a manager checks on the spot, the manager reaches the coverage area of the Bluetooth signal, the mobile terminal automatically positions a floor and a checking part, the floor and the checking part are uploaded to a cloud platform in real time or off-line after the checking condition is recorded by photographing, and data is collected and displayed on a BIM (building information modeling); meanwhile, real-time collection of actual quality measurement data can be realized, the actual measurement data is automatically compared with the BIM model data in the platform, and the actual measurement result is visually displayed. And the system can automatically analyze and summarize according to levels, labor services, working procedures and posts, and assists in improving the quality control level.
The operation of the large-scale equipment management module is as follows.
(1) The tower crane safety monitoring and early warning system is arranged on the two large tower cranes, the large arm elevation angle, the rotation angle and the load data of the tower cranes are monitored in real time, the data are dynamically visible on the cloud platform BIM model, real-time early warning is provided for collision between the tower cranes, and braking control is automatically carried out; for a given tower crane, monitoring each hoisting overload in real time according to the load and amplitude curve of the tower crane;
(2) the radio frequency RFID technology is adopted, RFID chips are pasted on all floors, chip data correspond to floor numbers one by one, when an operator wearing a safety cap with preloaded personnel information RFID chips enters and exits the elevator, an RFID receiver automatically counts the floor where the elevator is located and the data of the operator in the elevator when the elevator stops at the floor, the data are integrated into a BIM model, the personnel distribution condition of each floor on site can be visually displayed in the BIM model, and the safe load condition of the elevator is monitored in real time.
The working process of the environment monitoring and energy consumption management module is as follows.
(1) The method comprises the steps of dust emission monitoring and automatic spraying, wherein dust emission monitoring points are located on a construction site main road and a construction site gate, dust emission content is monitored in real time, data are uploaded to an Internet of things platform, a dust emission time curve graph is formed, when the concentration of PM2.5 or PM10 reaches an alarm value, an alarm prompt is given, alarm information is highlighted in a BIM model, meanwhile, a spraying system and a high-pressure water mist machine are automatically started, an intelligent water meter is additionally arranged at a water pipe port of spraying equipment, spraying time, spraying position and water consumption of spraying are recorded, and sprayed water enters a sedimentation tank through a sewer pipe for recycling;
(2) noise monitoring, namely arranging noise monitoring points on a construction site main road and a construction site gate, monitoring a noise value in real time, automatically uploading noise data to an Internet of things platform, and dynamically displaying the noise data in a BIM (building information modeling) model to form a daily 'construction site noise measurement record', a noise curve graph, a monthly daily average noise value analysis graph and the like;
(3) intelligent water and electricity monitoring, namely installing intelligent water and electricity meters in a construction area, a living area and an office area respectively according to the construction site conditions, and counting the water consumption (m) of the construction area, the living area and the office area of a project3) Monitoring water and electricity consumption (kW.h) in real time, automatically uploading data to an Internet of things platform, and enabling the data to be visible on a BIM (building information modeling) model in real time to form monthly and annual water and electricity consumption reports;
(4) the solid waste management utilizes mobilizable intelligent weighbridge to make statistics of the type of the solid waste, the total amount of the solid waste, the recycling amount, the field-outgoing amount, the solid waste generation position, the generation time and the like, data input is carried out through an intelligent weighbridge system terminal, meanwhile, the data are uploaded to an Internet of things platform in real time, the data generated by the solid waste are dynamically displayed in a BIM model, and a solid waste recycling report is automatically formed.
The BIM-based Internet of things platform management system provided by the invention has the following beneficial effects.
1. The invention reduces the supervision difficulty of labor staff, masters the field labor force condition in real time, and cooperates with the work staff to check the attendance, the work surface labor force supervision, the field progress and the labor force analysis and allocation.
2. The invention improves the safety of project site construction, video monitoring and BIM model linkage are realized, the system is more comprehensive and three-dimensional, the monitoring data of large equipment is more real-time and accurate, and the danger early warning is more automatic and more timely.
3. The invention improves the level of green civilized construction, and achieves the effects of consumption reduction and efficiency improvement by monitoring the noise, dust, sewage and energy consumption information of a construction site in real time.
4. The invention realizes the traceability of construction information, mass data accumulation is realized along with the growth of the BIM model and the solid building, big data analysis is realized, the service efficiency is improved through the data analysis, and data support is provided for lean construction and green construction.
5. The invention improves the efficiency of remote office, and facilitates remote communication through a BIM model multi-point touch WEBGL embedding technology; through the integration of the field information, the accuracy of remote decision-making is improved.
6. The invention greatly reduces the data volume of the model, has smaller volume of the lightweight model file, has more efficient rapid reading of the model and better operation experience of managers.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields, are intended to be covered by the scope of the present invention.
Claims (8)
1. A BIM-based Internet of things platform management method is characterized by comprising the following steps:
analyzing an original BIM (building information and building weight) model containing building information and building weight by adopting an HTML5/WebGL technology, and carrying out lightweight processing on the BIM model at a browser end or a mobile end by using the WebGL technology to obtain a BIM lightweight model;
various monitoring data of a construction site are obtained, the monitoring data are integrated on a BIM lightweight model to be visualized, data processing and analysis are carried out on the same Internet of things platform, and hardware feedback and decision feedback are carried out after data analysis so as to assist in site management of projects; when the original BIM model containing the building information and the building amount is analyzed by adopting an HTML5/WebGL technology, geometric information in the original BIM model is derived into triangular panel graphic data in a general format, the grid data are divided into points on the surface which are not on the boundary line according to a parameterization rule of the arrangement sequence of the triangular surfaces, the points on the surface are simplified for the first type of grid data, the original grid data are simplified from left to right layer by layer from bottom to top from the boundary for the second type of grid data, and the BIM model is redrawn, rendered and lightened by using the WebGL technology at a browser end or a moving end.
2. The BIM-based platform management method for the Internet of things as claimed in claim 1, wherein various monitoring data of a construction site are acquired, when the monitoring data are integrated on a BIM lightweight model to be visualized, geometric information in an original BIM model is exported to triangular surface picture data in a general format, useful assembly information and attribute information in the BIM model are extracted to be structurally stored, the attribute data of each component in the model are converted into three-dimensional stereo architecture data capable of being added with BA information through a development interface, a sensor, a controller and equipment are added to a converted data platform, and the information of the Internet of things is updated to the data platform in real time through an intermediate processor and a data transmission technology.
3. The BIM-based platform management method for the Internet of things is characterized in that the construction site monitoring data are uploaded through a site management APP terminal, wherein component naming rules in a BIM model are the same as naming rules of a daily inspection part of the site management APP terminal, so that quality management forms can be associated with each other through BIM model parameters, and anchor point display of the quality management data on the BIM model is achieved.
4. An internet of things platform management system based on the BIM based internet of things platform management method of any one of claims 1 to 3, comprising:
the BIM lightweight model processing module is used for analyzing an original BIM model containing huge redundant massive building information and huge building quantity by adopting an HTML5/WebGL technology, and carrying out lightweight processing on the BIM model at a browser end or a mobile end by using the WebGL technology so as to obtain the BIM lightweight model;
and the data management module is used for acquiring various monitoring data of a construction site, integrating the monitoring data on the BIM lightweight model to enable the monitoring data to be visualized, performing data processing analysis on the same Internet of things platform, and performing hardware feedback and decision feedback after the data analysis to assist in the site management of projects.
5. The BIM-based Internet of things platform management system of claim 4, wherein the data management module comprises:
personnel and business turn over vehicle management module includes: the personnel management unit is used for realizing attendance registration, qualification authentication, three-dimensional visual distribution statistics and labor analysis of field personnel on the construction field by adopting a radio frequency RFID technology and a BIM model multi-point touch WEBGL technology; the system comprises an in-out vehicle management unit, a vehicle monitoring unit and a vehicle monitoring unit, wherein the in-out vehicle management unit is used for acquiring vehicle photographing registration and automatic license plate identification information of an in-out construction site;
a security management module comprising: the video monitoring unit is used for monitoring construction key positions; the patrol inspection unit is used for marking a patrol inspection route and an inspection point in the BIM through the project patrol inspection APP, realizing the clicking check of the inspection data in the BIM, and realizing the security duty attendance and the project daily safety condition record; the danger area alarm unit is used for arranging a human body infrared displacement sensor in a site danger area, when a person approaches, the audible and visual alarm is immediately started, meanwhile, alarm information is integrated into the BIM model, and information is automatically sent to relevant personnel for processing; the high formwork deformation monitoring unit is used for monitoring the deformation of the high formwork in real time and carrying out danger early warning by mounting a flexible binary body deformation monitoring device on the high formwork;
the quality management module is used for recording field management APP after field inspection condition is collected through the field management APP, uploading the field management APP to a cloud platform in real time or off line, and collecting and displaying data on a BIM model to realize field quality problem informatization collection and management;
a large scale equipment management module comprising: the tower crane monitoring unit monitors the large arm elevation angle, the rotation angle and the load data of the tower crane in real time, the data are dynamically visible in the cloud platform BIM model, and the anti-collision, safe load monitoring and safe brake control of the tower crane are realized; the construction elevator monitoring unit is used for monitoring the floor where the elevator is located and the number of operating personnel in the elevator when the elevator stops at the floor;
a material management module comprising: the intelligent wagon balance unit is used for automatically registering, photographing, hooking and uploading material vehicles by additionally arranging a sensor and a license plate recognition camera in a wagon balance weighing system of a construction site, realizing data association in a cloud platform BIM model and automatically forming a material entrance report; the component material tracing unit is used for monitoring the processes of production, transportation, installation and acceptance of the main steel structure or the assembly component of the project; the warehouse material informatization unit is used for pasting the two-dimensional code when the project material enters the field, scanning the two-dimensional code to extract the material when the material is allocated, transmitting the warehousing and allocation information to the Internet of things platform in real time, integrating the warehousing and allocation information into the BIM model, and automatically generating a material use data report;
environmental monitoring and energy consumption management module includes: the environment monitoring unit is used for realizing automatic monitoring of noise, raised dust, temperature, humidity, wind speed, wind direction and sewage in a construction site, dynamically displaying data in a BIM (building information modeling) model, feeding the data back to automatic control equipment such as a water pump and a spraying dust-settling system and realizing real-time monitoring and automatic control of the environment; and the energy consumption management unit is used for acquiring the electricity consumption, the water consumption and the solid waste recycling amount in the project construction process, carrying out real-time online monitoring and realizing three-dimensional visualization and data analysis of data on the BIM model.
6. The BIM-based platform management system of the internet of things according to claim 5, wherein a construction elevator monitoring unit is used for automatically counting the number of the workers in the elevator at the floor where the elevator is located and when the elevator stops at the floor by adopting a radio frequency RFID technology, RFID chips are pasted on each floor, the number of the chips corresponds to the number of the floors one by one, when the workers wearing the safety caps with the preloaded personnel information RFID chips enter and exit the elevator, the RFID receivers in the elevator cage automatically count the number of the floors where the elevator is located and the data of the workers in the elevator when the elevator stops at the floor, and the data are integrated into the BIM model so as to visually display the personnel distribution condition of each floor on site in the BIM model and monitor the safe operation load condition of the elevator in real time.
7. The BIM-based platform management system for the Internet of things is characterized in that the component material tracing unit is used for adopting a dynamic two-dimensional code to mark and collect the production, transportation, installation and acceptance processes of a main steel structure or an assembly component of a project, inputting acceptance information on site through a mobile phone terminal, synchronizing the acceptance information into a BIM model of a server, visually displaying the acceptance information in the BIM model by using a specific color to track and monitor the main component in real time, and assisting the installation progress management of the main component.
8. The BIM-based platform management system of the Internet of things of claim 5, wherein the video monitoring unit is used for setting monitoring equipment at important positions of a project construction site, marking the positions of the monitoring equipment in the three-dimensional BIM model, and performing remote image viewing of a WEB end and a mobile end by clicking corresponding monitoring points in the BIM model, so that monitoring can be called and stored in real time.
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