1. A BIM, UWB and AR technology-based method for managing and controlling construction of an adjacent opening is characterized by comprising the following steps:

s1: building a BIM building model by utilizing Revit software, and setting a filter near the edge opening;

s2: revit API secondary development is carried out, and the size and position coordinate data of the edge opening are obtained;

s3: extracting the size and position coordinate data of the limb opening obtained in the S2, classifying the data, searching corresponding construction specification methods, making corresponding construction specification voice files aiming at different types of data, integrating the data through an SQLite database, and sending the files to an AR mobile terminal;

s4: AR mobile terminal development is carried out based on Untiy 3D:

developing an AR mobile terminal application program by using an ARkit on Untiy 3D, installing the AR mobile terminal application program on a mobile phone of an operator, installing an AR broadcasting system and an AR camera on a safety helmet used by the operator, and connecting the AR broadcasting system and the AR camera with an AR mobile terminal signal; the AR mobile terminal controls an AR camera to scan and collect the building characteristic points of the construction site, and automatically judges and identifies the building plane;

calculating and tracking three-dimensional space information of the building by using the VIO and the IMU, judging the size information of the adjacent opening of the building, and binding and associating the calculated size information of the adjacent opening with the classified data information in S3; when the size of the limb opening meets the corresponding category in S3, the AR mobile terminal controls the AR broadcasting system to broadcast an alarm prompt, and simultaneously broadcasts a corresponding standard practice voice file to assist operators in construction operation according to the standard requirement;

s5: arranging a base station on a construction site; the method comprises the following steps that an operator wears equipment provided with a UWB positioning system, the UWB positioning system is in signal connection with a manager terminal and an AR mobile terminal, and the UWB signals are positioned and emitted through a TDOA technology, so that positioning dynamic and positioning capacity are realized, and position data of the operator are transmitted;

when the AR mobile terminal analyzes that the distance between an operator and an adjacent opening is smaller than a set safe distance value or the simultaneous construction condition of an upper layer and a lower layer occurs, the AR mobile terminal triggers the UWB positioning system to alarm, controls the AR broadcasting system to perform voice broadcasting, carries out alarm prompt and sends alarm information to a manager terminal;

s6: and delivering the AR mobile terminal to the user for use.

2. The BIM, UWB and AR technology-based construction management and control method for an edge-faced cave according to claim 1, wherein the data classification in S3 includes two types, and the specific categories and corresponding normative practices are as follows:

horizontal entrance to a cave in the building: when the size of the short side of the horizontal hole in the building is more than or equal to 1500mm, the standard method is as follows: a protective railing, a foot baffle plate and a dense mesh type safety vertical net which are not less than 1.2m are arranged on the side close to the sky;

vertical hole in the building: when the size of the short side of the vertical hole in the building is more than or equal to 500mm, the standard method is as follows: a protective railing with the height of not less than 1.2m is arranged on one side of the hole operation and is sealed by a safety plain net.

3. The BIM, UWB and AR technology-based limb entrance opening construction management and control method of claim 2, wherein the building limb entrance opening size information in S4 includes size information of a horizontal entrance opening in a building and size information of a vertical entrance opening in a building.

4. The BIM, UWB and AR technology-based edge-facing portal construction management and control method of claim 1, wherein in S2, the edge-facing portal size and position coordinate data acquisition process is as follows: and acquiring the size data of the edge-adjacent hole by using a review location tool in the review, and acquiring the Point position coordinate data of the edge-adjacent hole by using a location Point ip object tool based on the property of the Point family.

5. The BIM, UWB and AR technology-based construction management and control method for the temporary cut, according to claim 1, wherein in S5, the arrangement mode of the base station is as follows: the TDOA positioning mode is utilized to ensure that the number of the base stations is more than four, the base stations are arranged based on a three-dimensional space formed by an X axis, a Y axis and a Z axis, and when the base stations are erected, the height difference on the Z axis is pulled to ensure the accuracy on the Z axis.

6. The BIM, UWB and AR technology-based construction management and control method for an edge-faced cave according to claim 1, wherein in S5, the UWB positioning system transmits the plane position data and the spatial position data of the operator to the manager terminal by using UWB wireless carrier communication technology, so that the manager can view and manage the data.

7. The BIM, UWB and AR technology-based construction management and control method for the temporary entrances and exits according to claim 1, wherein in S5, the equipment worn by the operator is a smart watch, and a UWB positioning system is installed in the smart watch.

Background

In recent years, with the rapid development of the construction industry in China, large-scale engineering buildings are more and more, the safety problem of the construction industry gradually becomes the key point of attention of people, and the safety of construction is ensured and the safety management is enhanced while the quantity and the quality of the buildings are emphasized. Compared with other construction projects, the construction process of the near-edge opening has high accident frequency, high construction risk and strong burst property, so that the safety management of the near-edge opening in the construction projects must be enhanced. The traditional safety management method is to carry out on-site patrol by safety personnel and timely correct and correct after finding problems, but due to the influence of human factors, the problems of not-in-place patrol and the like often occur, potential safety hazards cannot be found in advance, and safety accidents cannot be prevented in a more standard and standard manner.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a BIM, UWB and AR technology-based near-edge portal construction management and control method, which develops a safety analysis program through Revit API, combines an AR identification function and a UWB positioning technology, analyzes a near-edge portal danger source in advance, realizes a real-time early warning function, ensures construction safety and prevents safety accidents.

The present invention achieves the above-described object by the following technical means.

A BIM, UWB and AR technology-based method for managing and controlling construction of an adjacent opening comprises the following steps:

s1: building a BIM building model by utilizing Revit software, and setting a filter near the edge opening;

s2: revit API secondary development is carried out, and the size and position coordinate data of the edge opening are obtained;

s3: extracting the size and position coordinate data of the limb opening obtained in the S2, classifying the data, searching corresponding construction specification methods, making corresponding construction specification voice files aiming at different types of data, integrating the data through an SQLite database, and sending the files to an AR mobile terminal;

s4: AR mobile terminal development is carried out based on Untiy 3D:

developing an AR mobile terminal application program by using an ARkit on Untiy 3D, installing the AR mobile terminal application program on a mobile phone of an operator, installing an AR broadcasting system and an AR camera on a safety helmet used by the operator, and connecting the AR broadcasting system and the AR camera with an AR mobile terminal signal; the AR mobile terminal controls an AR camera to scan and collect the building characteristic points of the construction site, and automatically judges and identifies the building plane;

calculating and tracking three-dimensional space information of the building by using the VIO and the IMU, judging the size information of the adjacent opening of the building, and binding and associating the calculated size information of the adjacent opening with the classified data information in S3; when the size of the limb opening meets the corresponding category in S3, the AR mobile terminal controls the AR broadcasting system to broadcast an alarm prompt, and simultaneously broadcasts a corresponding standard practice voice file to assist operators in construction operation according to the standard requirement;

s5: arranging a base station on a construction site; the method comprises the following steps that an operator wears equipment provided with a UWB positioning system, the UWB positioning system is in signal connection with a manager terminal and an AR mobile terminal, and the UWB signals are positioned and emitted through a TDOA technology, so that positioning dynamic and positioning capacity are realized, and position data of the operator are transmitted;

when the AR mobile terminal analyzes that the distance between an operator and an adjacent opening is smaller than a set safe distance value or the simultaneous construction condition of an upper layer and a lower layer occurs, the AR mobile terminal triggers the UWB positioning system to alarm, controls the AR broadcasting system to perform voice broadcasting, carries out alarm prompt and sends alarm information to a manager terminal;

s6: and delivering the AR mobile terminal to the user for use.

Further, the data classification in S3 includes two categories, and the specific categories and the corresponding specification are as follows:

horizontal entrance to a cave in the building: when the size of the short side of the horizontal hole in the building is more than or equal to 1500mm, the standard method is as follows: a protective railing, a foot baffle plate and a dense mesh type safety vertical net which are not less than 1.2m are arranged on the side close to the sky;

vertical hole in the building: when the size of the short side of the vertical hole in the building is more than or equal to 500mm, the standard method is as follows: a protective railing with the height of not less than 1.2m is arranged on one side of the hole operation and is sealed by a safety plain net.

Further, the building adjacent opening size information in S4 includes size information of a horizontal opening in the building and size information of a vertical opening in the building.

Further, in S2, the process of acquiring the size and position coordinate data of the edge opening is as follows: and acquiring the size data of the edge-adjacent hole by using a review location tool in the review, and acquiring the Point position coordinate data of the edge-adjacent hole by using a location Point ip object tool based on the property of the Point family.

Further, in S5, the base station arrangement mode is: the TDOA positioning mode is utilized to ensure that the number of the base stations is more than four, the base stations are arranged based on a three-dimensional space formed by an X axis, a Y axis and a Z axis, and when the base stations are erected, the height difference on the Z axis is pulled to ensure the accuracy on the Z axis.

Further, in S5, the UWB positioning system transmits the plane position data and the spatial position data where the operator is located to the terminal of the manager by using the UWB wireless carrier communication technology, so that the manager can view and manage the data.

Further, in S5, the device worn by the operator is an intelligent watch, and a UWB positioning system is installed in the intelligent watch.

The invention has the following beneficial effects:

the method for managing and controlling the construction of the near-edge portal provided by the invention utilizes BIM, UWB and AR technologies to monitor the safety of a construction site, realizes real-time early warning and construction specification guidance, and can reduce the occurrence of safety accidents to the greatest extent.

According to the method, Revit software is used for model building, AR scanning is carried out within an operation range by utilizing an AR identification function, a Revit API is used for developing a safety analysis program, the safety analysis of the near-edge opening of the building is carried out, when the near-edge opening is found to be without near-edge protection, the danger source can be analyzed in advance, the alarm function of a broadcasting system is triggered, operation personnel are reminded of safety protection, meanwhile, a normal method is reminded, and the construction quality is guaranteed. In addition, the invention also utilizes UWB positioning technology to position the position of the operator in real time, when the situation that the operator works near the adjacent edge or the upper and lower layers are constructed simultaneously is found, the broadcast system is triggered to send out an alarm to remind the operator to pay attention, thereby ensuring that the whole construction process is safer and more reliable.

Drawings

FIG. 1 is a schematic view of construction management and control of the near-edge opening according to the present invention;

FIG. 2 is a schematic view of steps S1-S3 according to the present invention;

fig. 3 is a schematic diagram of developing an AR mobile terminal according to the present invention.

Detailed Description

The invention will be further described with reference to the following figures and specific examples, but the scope of the invention is not limited thereto.

In the description of the present invention, it is to be understood that the term "connected" and the like are to be interpreted broadly, and may be, for example, integrally connected, directly connected, or indirectly connected through an intermediate; the specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The method for managing and controlling the construction of the near-edge cave entrance based on the BIM, UWB and AR technologies is shown in figure 1 and specifically comprises the following steps:

s1: building a BIM building model by utilizing Revit software, and setting a near-edge portal filter for subsequent near-edge portal data analysis;

s2: as shown in fig. 2, Revit API secondary development is performed, a Revit location tool in Revit is used to obtain the size data of the edge-adjacent portal, and a location Point ip object tool based on the property of the Point family is used to obtain the Point position coordinate data of the edge-adjacent portal;

s3: as shown in fig. 2, the size and position coordinate data of the near-edge opening obtained in S2 are extracted, data classification is performed, a corresponding construction specification method is searched, a corresponding construction specification voice file is made for different types of data, and the voice file is integrated by the SQLite database and then sent to the AR mobile terminal;

the data classification in this implementation is preferably divided into two categories, and the specific categories and corresponding normative practices include the following:

horizontal entrance to a cave in the building: when the size of the short side of the horizontal hole in the building is more than or equal to 1500mm, the standard method is as follows: a protective railing, a foot baffle plate and a dense mesh type safety vertical net which are not less than 1.2m are arranged on the side close to the sky;

vertical hole in the building: when the size of the short side of the vertical hole in the building is more than or equal to 500mm, the standard method is as follows: a protective railing with the height of not less than 1.2m is arranged on one side of the hole operation and is sealed by adopting a safety plain net;

s4: AR mobile terminal development is carried out based on Untiy 3D:

as shown in fig. 3, an AR mobile terminal application is developed by using an ARKit on the Untiy 3D, and is installed on a mobile phone of an operator, an AR broadcasting system and an AR camera are installed on a helmet used by the operator, and both the AR broadcasting system and the AR camera are in signal connection with the AR mobile terminal; the AR mobile terminal controls an AR camera to scan and collect the building characteristic points of the construction site, and automatically judges and identifies the building plane;

then, calculating and tracking three-dimensional space information of the building by using a Visual-Inertial odometer (VIO) and an Inertial Measurement Unit (IMU), judging the size information of the adjacent opening of the building, including the size information of a horizontal opening in the building and a vertical opening in the building, and binding and associating the calculated adjacent opening size information with the classified data information in S3; when the size of the near-edge opening is too large or is not protected, namely the size of the near-edge opening meets the corresponding category in S3, the AR mobile terminal controls the AR broadcasting system to broadcast an alarm prompt and simultaneously broadcast a corresponding standard practice voice file to assist operators in construction operation according to actual conditions and standard requirements;

s5: arranging a base station on a construction site: the TDOA positioning mode is utilized to ensure that the number of the base stations is more than four, the base stations are arranged based on a three-dimensional space formed by an X axis, a Y axis and a Z axis, and the height difference on the Z axis needs to be pulled open when the base stations are erected to ensure the accuracy on the Z axis;

an operator wears an intelligent watch provided with a UWB positioning system, the UWB positioning system is in signal connection with a manager terminal and an AR mobile terminal, and the UWB signals are positioned and emitted through a TDOA technology, so that positioning dynamic and positioning capacity are realized, and position data of the operator is transmitted;

through IR-UWB signal, need not produce continuous high frequency carrier, only need produce a time and shorten pulse below nS level, alright send through wrist-watch built-in antenna to confirm the operation personnel position, can also be convenient for realize functions such as rhythm of the heart detection, a key SOS emergency call simultaneously.

The UWB wireless carrier communication technology is utilized to transmit the plane position data and the space position data of the operator to the terminal of the manager for the manager to check and manage;

when the AR mobile terminal analyzes that the distance between an operator and an adjacent opening is smaller than a set safe distance value or the simultaneous construction condition of an upper layer and a lower layer occurs, the AR mobile terminal triggers the UWB positioning system alarm function, controls the AR broadcasting system to perform voice broadcast, performs alarm prompt, and sends alarm information to a manager terminal, so that the safety of the operator in the construction process can be effectively guaranteed;

s6: and delivering the AR mobile terminal to the user for use.

The present invention is not limited to the above-described embodiments, and any obvious improvements, substitutions or modifications can be made by those skilled in the art without departing from the spirit of the present invention.