CN113420354A - Construction safety virtual simulation method based on actual measurement data driving - Google Patents
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Abstract
In order to solve the defects that the existing safe virtual simulation is not updated timely and can not reflect the actual situation on site, the invention provides a construction safe virtual simulation method driven by actual measurement data, and the technical scheme comprises the following steps: s1, establishing a construction site virtual model, and updating the construction site virtual model in real time according to the construction progress of a construction site; s2, updating the personnel coordinates in the virtual model of the construction site in real time according to the position of the constructor on the construction site; and S3, updating the alarm area in the virtual model of the construction site in real time, and alarming when the personnel coordinate appears in the alarm area.
Description
Technical Field
The invention belongs to the technical field of building construction, and particularly relates to a construction safety virtual simulation method based on actual measurement data driving.
Background
At present, there are two main methods for virtual simulation of construction safety, one is VR technology, which is a collection of simulation technology and multiple technologies such as computer graphics, human-computer interface technology, multimedia technology, sensing technology, network technology, etc. Virtual reality technology (VR) mainly includes aspects of simulating environment, perception, natural skills, sensing equipment and the like. The simulated environment is a three-dimensional realistic image generated by a computer and dynamic in real time. The method mainly simulates the common engineering accidents of electric shock, high-altitude falling, collapse and the like in engineering construction in the aspect of safety control, and experiences various dangerous scenes which may occur in the construction process through vivid three-dimensional images, so that an experiencer can feel unsafe factors in the construction process from vibration, shaking and falling. The technology has vivid scenes and an immersive effect, but the method has the biggest defect that only preset scenes can be adopted and the display cannot be carried out according to the actual conditions of a construction site.
The other method of the safe virtual simulation adopts a BIM technology, a BIM model which is the same as a construction site is established in the construction process, then the construction progress of an engineering project is associated with the BIM model of the engineering project to form a 4D (three-dimensional dimension + time dimension) BIM model of the engineering project, dangerous working conditions in the construction process are determined through analysis, corresponding dangerous engineering information is marked in the 4D BIM model of the engineering project, site safety management information is obtained after the construction is started, and safety risk assessment and safety risk management are carried out according to the site safety management information. The method is different from VR technology, does not depend on specific equipment and is not limited by specific scenes, but the technology forms interaction with the site, but lacks the support of real-time data, does not form a path for memorability and safety analysis according to real-time monitoring data, and still has the defect that the safety risk state of the construction site cannot be reflected in real time depending on a preset scene.
Disclosure of Invention
In order to solve the defects that the existing safe virtual simulation is not updated timely and can not reflect the actual situation on site, the invention provides a construction safe virtual simulation method driven by actual measurement data, and the technical scheme comprises the following steps:
s1, establishing a construction site virtual model, and updating the construction site virtual model in real time according to the construction progress of a construction site;
s2, updating the personnel coordinates in the virtual model of the construction site in real time according to the position of the constructor on the construction site;
and S3, updating the alarm area in the virtual model of the construction site in real time, and alarming when the personnel coordinate appears in the alarm area.
According to the construction safety virtual simulation method based on actual measurement data drive, the construction site virtual model can be updated in real time along with the construction progress, and the position of a constructor on a construction site can also be updated in real time in the construction site virtual model, so that the defects that the existing safety virtual simulation is not updated in time and the actual situation of the site cannot be reflected are overcome.
Further, in the construction safety virtual simulation method based on measured data driving, S1 includes the following steps:
s1-1, establishing a construction site virtual model;
s1-2, decomposing the whole project into a plurality of construction tasks, and setting corresponding task characteristics for each construction task;
s1-3, splitting the virtual model of the construction site into a plurality of model units according to a plurality of construction tasks, and associating each construction task with the corresponding model unit;
s1-4, arranging detection equipment on a construction site, wherein the detection equipment is in signal connection with the construction site virtual model and is used for detecting task characteristics and determining the current state of a corresponding construction task;
s1-5, when the detection device detects that one task characteristic changes, the state of the corresponding construction task changes, and the state of the model unit corresponding to the construction task in the virtual model of the construction site is updated correspondingly.
In order to realize real-time updating of the virtual model of the construction site and reflect the condition of the construction site more timely, a larger project can be decomposed into a plurality of construction tasks, the virtual model of the construction site is divided into a plurality of model units according to the plurality of construction tasks, and each construction task is associated with the corresponding model unit. Different construction tasks have different task characteristics, the task characteristics can reflect the progress of the construction tasks, and the detection can be carried out through corresponding detection equipment. When the detection equipment detects that the task characteristics of a certain construction task are changed, the progress condition of the construction task can be judged according to a preset judgment standard. Because the construction tasks are correlated with the corresponding model units of the construction site virtual model, the construction site virtual model can realize real-time synchronous updating with the construction site through the detection of the detection equipment on the construction site.
For example, if one of the construction tasks may be installation of a certain component, a two-dimensional code may be added to the component as a task feature. The code scanner connected with the virtual model signal of the construction site is used as a detection device, and the two-dimensional code needs to be scanned when the construction member enters and exits. When the code scanner scans the two-dimensional code for the first time, the construction task of the installation of the component is started, and the state of the corresponding model unit of the virtual model of the construction site is changed into 'construction in real time'. When the bar code scanner scans the two-dimensional code again, the construction task of the installation of the component is completed, and the state of the corresponding model unit of the virtual model of the construction site is changed into 'construction completed' in real time.
Furthermore, in the construction safety virtual simulation method based on actual measurement data driving, specifically,
in S1-2, the construction task is a concrete pouring task in a certain area, and the task is characterized in that the corresponding concrete transport vehicle enters and leaves the site;
in S1-3, the model unit corresponding to the concrete pouring task of a certain area is a corresponding pouring area;
in the step S1-4, the detection equipment is a license plate recognition device which detects the entrance and exit of the concrete transport vehicle;
and S1-5, when the license plate recognition device detects that the corresponding concrete transport vehicle enters the field, the concrete pouring task in a certain area is in progress, the state of the corresponding pouring area in the virtual model of the construction site is changed to be under construction, when the license plate recognition device detects that the corresponding concrete transport vehicle leaves the field, the concrete pouring task in the certain area is finished, and the state of the corresponding pouring area in the virtual model of the construction site is changed to be construction completion.
Further, in the construction safety virtual simulation method based on measured data driving, S2 includes the following steps:
s2-1, arranging a plurality of RFID signal receiving devices on a construction site, wherein the RFID signal receiving devices are in signal connection with the virtual model of the construction site;
s2-2, carrying the RFID label by constructors;
and S2-3, the RFID signal receiving device sends the detected position of the RFID tag to the virtual model of the construction site, and the coordinates of the person in the virtual model of the construction site are updated in real time.
The RFID signal receiving device can detect the position of the RFID tag in real time and send the position to the virtual model of the construction site, and therefore real-time updating of personnel coordinates in the virtual model of the construction site is achieved.
Furthermore, in the construction safety virtual simulation method driven by the measured data, in order to better judge the specific floor position of the constructor on the construction site,
in S2-1, the RFID signal receiving devices are arranged in pairs between stairs connecting two floors on a construction site and comprise lower-layer receivers arranged close to the lower-layer floors and upper-layer receivers arranged close to the upper-layer floors; the lower layer receiver and the upper layer receiver are oppositely arranged;
in S2-3, when the RFID label is firstly identified by the upper receiver, then identified by the lower receiver and the upper receiver at the same time, and finally identified by the lower receiver, the personnel coordinate corresponding to the RFID label in the virtual model of the construction site is moved from the lower floor to the upper floor; when the RFID label is firstly identified by the lower-layer receiver, then is simultaneously identified by the lower-layer receiver and the upper-layer receiver, and finally is identified by the upper-layer receiver, the personnel coordinate corresponding to the RFID label in the virtual model of the construction site moves from the upper floor to the lower floor.
Furthermore, in the construction safety virtual simulation method driven by the measured data, in order to better realize the real-time update of the personnel coordinates in the virtual model of the construction site,
s2-1, arranging a plurality of UWB base stations on a construction site, wherein the UWB base stations are in signal connection with the construction site virtual model;
s2-2, further comprising UWB tags carried by constructors;
and S2-3, the method further comprises the step that the UWB base station sends the position of the detected UWB tag to the virtual model of the construction site, and the personnel coordinates in the virtual model of the construction site are updated in real time.
Drawings
Fig. 1 is a schematic diagram of S2 of the construction safety virtual simulation method driven by measured data according to the present invention.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
Example 1:
referring to fig. 1, a construction safety virtual simulation method driven by measured data according to this embodiment has the following technical scheme, and includes the following steps:
s1, establishing a construction site virtual model, and updating the construction site virtual model in real time according to the construction progress of a construction site;
s2, updating the personnel coordinates in the virtual model of the construction site in real time according to the position of the constructor on the construction site;
and S3, updating the alarm area in the virtual model of the construction site in real time, and alarming when the personnel coordinate appears in the alarm area.
According to the construction safety virtual simulation method based on actual measurement data driving, the construction site virtual model can be updated in real time along with the construction progress, and the position of a constructor on a construction site can also be updated in the construction site virtual model in real time, so that the defects that the existing safety virtual simulation is not updated in time and the actual situation of the site cannot be reflected are overcome.
In a preferred embodiment, in the construction safety virtual simulation method based on measured data driving, S1 includes the following steps:
s1-1, establishing a construction site virtual model;
s1-2, decomposing the whole project into a plurality of construction tasks, and setting corresponding task characteristics for each construction task;
s1-3, splitting the virtual model of the construction site into a plurality of model units according to a plurality of construction tasks, and associating each construction task with the corresponding model unit;
s1-4, arranging detection equipment on a construction site, wherein the detection equipment is in signal connection with the construction site virtual model and is used for detecting task characteristics and determining the current state of a corresponding construction task;
s1-5, when the detection device detects that one task characteristic changes, the state of the corresponding construction task changes, and the state of the model unit corresponding to the construction task in the virtual model of the construction site is updated correspondingly.
In order to realize real-time updating of the virtual model of the construction site and reflect the condition of the construction site more timely, a larger project can be decomposed into a plurality of construction tasks, the virtual model of the construction site is divided into a plurality of model units according to the plurality of construction tasks, and each construction task is associated with the corresponding model unit. Different construction tasks have different task characteristics, the task characteristics can reflect the progress of the construction tasks, and the detection can be carried out through corresponding detection equipment. When the detection equipment detects that the task characteristics of a certain construction task are changed, the progress condition of the construction task can be judged according to a preset judgment standard. Because the construction tasks are correlated with the corresponding model units of the construction site virtual model, the construction site virtual model can realize real-time synchronous updating with the construction site through the detection of the detection equipment on the construction site.
For example, if one of the construction tasks may be installation of a certain component, a two-dimensional code may be added to the component as a task feature. The code scanner connected with the virtual model signal of the construction site is used as a detection device, and the two-dimensional code needs to be scanned when the construction member enters and exits. When the code scanner scans the two-dimensional code for the first time, the construction task of the installation of the component is started, and the state of the corresponding model unit of the virtual model of the construction site is changed into 'construction in real time'. When the bar code scanner scans the two-dimensional code again, the construction task of the installation of the component is completed, and the state of the corresponding model unit of the virtual model of the construction site is changed into 'construction completed' in real time.
In a preferred embodiment, in the construction safety virtual simulation method driven by the measured data, specifically,
in S1-2, the construction task is a concrete pouring task in a certain area, and the task is characterized in that the corresponding concrete transport vehicle enters and leaves the site;
in S1-3, the model unit corresponding to the concrete pouring task of a certain area is a corresponding pouring area;
in the step S1-4, the detection equipment is a license plate recognition device which detects the entrance and exit of the concrete transport vehicle;
and S1-5, when the license plate recognition device detects that the corresponding concrete transport vehicle enters the field, the concrete pouring task in a certain area is in progress, the state of the corresponding pouring area in the virtual model of the construction site is changed to be under construction, when the license plate recognition device detects that the corresponding concrete transport vehicle leaves the field, the concrete pouring task in the certain area is finished, and the state of the corresponding pouring area in the virtual model of the construction site is changed to be construction completion.
In a preferred embodiment, in the construction safety virtual simulation method based on measured data driving, S2 includes the following steps:
s2-1, arranging a plurality of RFID signal receiving devices on a construction site, wherein the RFID signal receiving devices are in signal connection with the virtual model of the construction site;
s2-2, carrying the RFID label by constructors;
and S2-3, the RFID signal receiving device sends the detected position of the RFID tag to the virtual model of the construction site, and the coordinates of the person in the virtual model of the construction site are updated in real time.
The RFID signal receiving device can detect the position of the RFID tag in real time and send the position to the virtual model of the construction site, and therefore real-time updating of personnel coordinates in the virtual model of the construction site is achieved.
In a preferred embodiment, in the construction safety virtual simulation method driven by the measured data, in order to better judge the specific floor position of the constructor on the construction site,
in S2-1, the RFID signal receiving devices are arranged in pairs between stairs connecting two floors on a construction site and comprise a lower-layer receiver 3 arranged close to a lower-layer floor 1 and an upper-layer receiver 4 arranged close to an upper-layer floor 2; the lower layer receiver 3 and the upper layer receiver 4 are oppositely arranged;
in S2-3, when a process that the RFID tag is firstly identified by the upper receiver 3, then is simultaneously identified by the lower receiver 4 and the upper receiver 3, and finally is identified by the lower receiver 4 occurs, the personnel coordinate corresponding to the RFID tag in the virtual model of the construction site is moved from the lower floor 1 to the upper floor 2; when the process that the RFID label is firstly identified by the lower-layer receiver 4, then is simultaneously identified by the lower-layer receiver 4 and the upper-layer receiver 3, and finally is identified by the upper-layer receiver 3 occurs, the corresponding personnel coordinate of the RFID label in the virtual model of the construction site is moved from the upper-layer floor 2 to the lower-layer floor 1.
In a preferred embodiment, in the construction safety virtual simulation method driven by the measured data, in order to better realize the real-time update of the personnel coordinates in the virtual model of the construction site,
s2-1, arranging a plurality of UWB base stations on a construction site, wherein the UWB base stations are in signal connection with the construction site virtual model;
s2-2, further comprising UWB tags carried by constructors;
and S2-3, the method further comprises the step that the UWB base station sends the position of the detected UWB tag to the virtual model of the construction site, and the personnel coordinates in the virtual model of the construction site are updated in real time.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.
Claims (6)
1. A construction safety virtual simulation method based on actual measurement data driving is characterized by comprising the following steps:
s1, establishing a construction site virtual model, and updating the construction site virtual model in real time according to the construction progress of a construction site;
s2, updating the personnel coordinates in the virtual model of the construction site in real time according to the position of the constructor on the construction site;
and S3, updating the alarm area in the virtual model of the construction site in real time, and alarming when the personnel coordinate appears in the alarm area.
2. The construction safety virtual simulation method driven based on measured data according to claim 1, wherein the step of S1 comprises the following steps:
s1-1, establishing a construction site virtual model;
s1-2, decomposing the whole project into a plurality of construction tasks, and setting corresponding task characteristics for each construction task;
s1-3, splitting the virtual model of the construction site into a plurality of model units according to a plurality of construction tasks, and associating each construction task with the corresponding model unit;
s1-4, arranging detection equipment on a construction site, wherein the detection equipment is in signal connection with the construction site virtual model and is used for detecting task characteristics and determining the current state of a corresponding construction task;
s1-5, when the detection device detects that one task characteristic changes, the state of the corresponding construction task changes, and the state of the model unit corresponding to the construction task in the virtual model of the construction site is updated correspondingly.
3. The construction safety virtual simulation method based on measured data driving as claimed in claim 2, wherein:
in S1-2, the construction task is a concrete pouring task in a certain area, and the task is characterized in that the corresponding concrete transport vehicle enters and leaves the site;
in S1-3, the model unit corresponding to the concrete pouring task of a certain area is a corresponding pouring area;
in the step S1-4, the detection equipment is a license plate recognition device which detects the entrance and exit of the concrete transport vehicle;
and S1-5, when the license plate recognition device detects that the corresponding concrete transport vehicle enters the field, the concrete pouring task in a certain area is in progress, the state of the corresponding pouring area in the virtual model of the construction site is changed to be under construction, when the license plate recognition device detects that the corresponding concrete transport vehicle leaves the field, the concrete pouring task in the certain area is finished, and the state of the corresponding pouring area in the virtual model of the construction site is changed to be construction completion.
4. The construction safety virtual simulation method driven based on measured data according to claim 1, wherein the step of S2 comprises the following steps:
s2-1, arranging a plurality of RFID signal receiving devices on a construction site, wherein the RFID signal receiving devices are in signal connection with the virtual model of the construction site;
s2-2, carrying the RFID label by constructors;
and S2-3, the RFID signal receiving device sends the detected position of the RFID tag to the virtual model of the construction site, and the coordinates of the person in the virtual model of the construction site are updated in real time.
5. The construction safety virtual simulation method based on measured data driving as claimed in claim 4, wherein:
in S2-1, the RFID signal receiving devices are arranged in pairs between stairs connecting two floors on a construction site and comprise lower-layer receivers arranged close to the lower-layer floors and upper-layer receivers arranged close to the upper-layer floors; the lower layer receiver and the upper layer receiver are oppositely arranged;
in S2-3, when the RFID label is firstly identified by the upper receiver, then identified by the lower receiver and the upper receiver at the same time, and finally identified by the lower receiver, the personnel coordinate corresponding to the RFID label in the virtual model of the construction site is moved from the lower floor to the upper floor; when the RFID label is firstly identified by the lower-layer receiver, then is simultaneously identified by the lower-layer receiver and the upper-layer receiver, and finally is identified by the upper-layer receiver, the personnel coordinate corresponding to the RFID label in the virtual model of the construction site moves from the upper floor to the lower floor.
6. The construction safety virtual simulation method based on measured data driving as claimed in claim 4, wherein:
s2-1, arranging a plurality of UWB base stations on a construction site, wherein the UWB base stations are in signal connection with the construction site virtual model;
s2-2, further comprising UWB tags carried by constructors;
and S2-3, the method further comprises the step that the UWB base station sends the position of the detected UWB tag to the virtual model of the construction site, and the personnel coordinates in the virtual model of the construction site are updated in real time.
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