Building fire control method and system based on digital twinning

Abstract

The invention discloses a building fire control method and system based on digital twinning, and the method comprises the steps: building a building three-dimensional model based on a plurality of building scenes, and building an optimized building three-dimensional model based on a supplementary model and the building three-dimensional model, so as to guarantee the integrity of the building three-dimensional model. Collecting a plurality of functional areas adjacent to the building fire fighting area, matching corresponding functional types for the plurality of functional areas, defining corresponding personnel activity amounts according to the plurality of functional types and the area of each functional area, and constructing a digital fire fighting access according to the personnel activity amounts and the hierarchical relationship of the building three-dimensional model; according to the method, the digital twin fire fighting space is constructed based on each fire fighting access, the corresponding fire fighting rehearsal result is defined according to the fire fighting rehearsal of the digital twin fire fighting space, the corresponding to-be-optimized factors are matched according to the fire fighting rehearsal result, and each fire fighting access is further optimized according to the to-be-optimized factors, so that accurate forming of each fire fighting access is facilitated.

Description

Technical Field

[0001] The present invention relates to the technical field of building fire control, and in particular to a building fire control method and system based on digital twins. Background Art

[0002] With the development of science and technology, various buildings have appeared in people's lives, such as supermarkets, office buildings, etc. Corresponding fire passages need to be reserved in each building. In the existing technology, general fire passages are set at the corners of the building and arranged according to conventional specifications. The volume of personnel activities in the functional areas around the fire passages is not fully considered, and the precise formation of each fire passage cannot be guaranteed. Summary of the invention

[0003] The purpose of the present invention is to overcome the deficiencies of the prior art. The present invention provides a building fire control method and system based on digital twins, which constructs a building three-dimensional model based on multiple building scenes, and constructs an optimized building three-dimensional model based on a supplementary model and a building three-dimensional model, so as to ensure the integrity of the building three-dimensional model. Collect multiple functional areas adjacent to the building fire area, match corresponding functional types for multiple functional areas, define corresponding personnel activities according to multiple functional types and the area of ​​each functional area, and construct a digital fire passage according to the hierarchical relationship between each personnel activity and the building three-dimensional model; construct a digital twin fire space based on each fire passage, and define corresponding fire rehearsal results according to the fire rehearsal of the digital twin fire space, match corresponding factors to be optimized according to the fire rehearsal results, and further optimize each fire passage according to the factors to be optimized, so as to facilitate the precise shaping of each fire passage.

[0004] In order to solve the above technical problems, an embodiment of the present invention provides a building fire control method based on digital twins, which is applied to a building fire control scenario based on digital twins; The building fire control method based on digital twins includes: Collect building data in multiple dimensions and create corresponding building scenes based on the building data in each dimension; Building a building stereo model based on multiple building scenes, and defining abnormal parts based on traversal of the building stereo model; Matching supplementary means according to the abnormal type of the abnormal part and the location of the abnormal part to output a supplementary model, and constructing an optimized building three-dimensional model based on the supplementary model and the building three-dimensional model; In the optimized building three-dimensional model, each functional area in the building three-dimensional model is marked, and the building fire protection area is defined according to each functional area and the building three-dimensional model; Collect multiple functional areas adjacent to the building fire protection area, match the corresponding functional types for the multiple functional areas, define the corresponding personnel activity volume according to the multiple functional types and the area of ​​each functional area, and construct a digital fire protection passage according to the hierarchical relationship between the personnel activity volume and the building three-dimensional model; A digital twin fire protection space is constructed based on each fire protection passage, and the corresponding fire protection rehearsal results are defined according to the fire protection rehearsal of the digital twin fire protection space. The corresponding factors to be optimized are matched according to the fire protection rehearsal results, and each fire protection passage is further optimized according to the factors to be optimized.

[0005] Optionally, collecting architectural data of multiple dimensions and creating corresponding architectural scenes according to the architectural data of each dimension includes: Locate the buildings that need to be modeled and match them with the corresponding building drawings; Divide multiple parts to be modeled based on the building drawings; Defining corresponding data collection means according to the spatial position of the part to be modeled and the overall outer contour of the part to be modeled; The collection of building data is triggered according to the data collection method and the part to be modeled, and the building data of the corresponding dimensions are collected; at this time, the data collection methods include drone scanning, manual scanning, and laser panoramic scanning; Collect building data in various dimensions; Construct the corresponding architectural scene based on the architectural data of each dimension and the scene learning model.

[0006] Optionally, the step of constructing a building stereo model based on a plurality of building scenes and defining an abnormal part based on traversal of the building stereo model includes: Freeze multiple architectural scenes; Matching corresponding building features based on multiple building scenes; Perform three-dimensional modeling based on building features and positions corresponding to the building features, and construct a three-dimensional building model; Traverse the building three-dimensional model, and collect blank parts and conflicting parts in the building three-dimensional model; The corresponding exception parts are defined based on the blank parts and the conflicting parts.

[0007] Optionally, supplementing a corresponding supplementary model according to the abnormal type of the abnormal part and the position of the abnormal part, and constructing an optimized three-dimensional building model based on the supplementary model and the three-dimensional building model, includes: Freeze the abnormal part and collect the location of the abnormal part; Defining corresponding abnormality types based on the detection of abnormal parts; The abnormal type associated with the abnormal part and the location of the abnormal part; Matching the supplementary means according to the abnormal type of the abnormal part and the position of the abnormal part, triggering the positioning scan based on the supplementary means, and supplementing the corresponding supplementary model; The supplementary model and the building three-dimensional model are associated, the location of the abnormal part in the building three-dimensional model is matched with the location of the supplementary model, and the improvement of the supplementary model and the building three-dimensional model is triggered to construct an optimized building three-dimensional model.

[0008] Optionally, in the optimized building three-dimensional model, marking each functional area in the building three-dimensional model, and defining the building fire protection area according to each functional area and the building three-dimensional model, including: In the optimized three-dimensional building model, traverse the optimized three-dimensional building model; Defining a plurality of regions based on traversal of the optimized building stereo model; Defining corresponding functional categories based on the identification of the plurality of regions, and defining functional regions based on the plurality of regions and the corresponding functional categories; Mark the functional areas in the building three-dimensional model; The building fire protection area is defined according to each functional area and the building three-dimensional model, and the building fire protection area is marked in the building three-dimensional model.

[0009] Optionally, the collecting of multiple functional areas adjacent to the fire protection area of ​​the building, matching corresponding functional types for the multiple functional areas, defining corresponding personnel activity volumes according to the multiple functional types and the area of ​​each functional area, and constructing a digital fire protection passage according to the hierarchical relationship between the personnel activity volumes and the building three-dimensional model, includes: Locate building fire protection zones in building diorama; Traverse the adjacent environment based on the location of the building fire protection area, and collect multiple functional areas adjacent to the building fire protection area; Match corresponding functional types for multiple functional areas; The corresponding amount of human activity is defined according to multiple functional types and the area of ​​each functional area.

[0010] Optionally, the collecting of multiple functional areas adjacent to the building fire protection area, matching corresponding functional types for the multiple functional areas, defining corresponding personnel activity volumes according to the multiple functional types and the area of ​​each functional area, and constructing a digital fire protection passage according to the hierarchical relationship of each personnel activity volume and the building three-dimensional model, further includes: Associate the amount of activity and time of personnel, and estimate the maximum amount of activity of personnel based on the amount of activity and time; Based on the maximum activity volume of personnel and the hierarchical relationship of the building three-dimensional model, the corresponding activity volume of personnel in each level is defined; A digital fire passage is constructed based on the corresponding personnel activity volume at each level, the area of ​​the building's fire protection zone, and the fire diversion direction of the building's fire protection zone.

[0011] Optionally, the digital twin firefighting space is constructed based on each firefighting passage, and a corresponding firefighting preview result is defined according to the firefighting preview of the digital twin firefighting space, corresponding factors to be optimized are matched according to the firefighting preview result, and each firefighting passage is further optimized according to the factors to be optimized, including: In the building three-dimensional model, associate each fire escape route; Construct a digital twin firefighting space based on each firefighting passage and the connecting passages between them; Traverse the fire fighting space of the digital twin, and formulate corresponding multi-channel fire fighting routes according to the traversal of the fire fighting space of the digital twin; The fire rehearsal of the fire fighting space of the digital twin is triggered based on the multi-channel fire fighting route. At this time, the fire rehearsal of the fire fighting space of the digital twin is carried out according to the multi-channel fire fighting route and virtual personnel. The fire rehearsal of the fire fighting space of the digital twin is a virtual fire rehearsal.

[0012] Optionally, the digital twin firefighting space is constructed based on each firefighting passage, and a corresponding firefighting preview result is defined according to the firefighting preview of the digital twin firefighting space, corresponding factors to be optimized are matched according to the firefighting preview result, and each firefighting passage is further optimized according to the factors to be optimized, and further includes: Collect the fire drill results corresponding to the fire drill of the fire fighting space of the digital twin; Match the corresponding factors to be optimized according to the fire drill results and the comparison table to be optimized; The corresponding optimization parts are matched according to the factors to be optimized, and the corresponding optimization paths are defined according to the optimization parts, and each fire escape passage is further optimized based on each optimization path.

[0013] In addition, an embodiment of the present invention further provides a building fire control system based on digital twins, and the building fire control system based on digital twins includes: The building scene module is used to collect building data in multiple dimensions and create corresponding building scenes based on the building data in each dimension; An abnormal module, used for constructing a building stereo model based on multiple building scenes, and defining abnormal parts based on traversal of the building stereo model; A building module, used for matching supplementary means according to the abnormal type of the abnormal part and the location of the abnormal part to output a supplementary model, and constructing an optimized building three-dimensional model based on the supplementary model and the building three-dimensional model; The fire protection area module is used to mark each functional area in the optimized building three-dimensional model, and define the building fire protection area according to each functional area and the building three-dimensional model; The fire passage module is used to collect multiple functional areas adjacent to the building fire area, match the corresponding functional types for the multiple functional areas, define the corresponding personnel activity volume according to the multiple functional types and the area of ​​each functional area, and construct a digital fire passage according to the hierarchical relationship between the personnel activity volume and the building three-dimensional model; The optimization module is used to construct a digital twin fire protection space based on each fire protection passage, and define the corresponding fire rehearsal results according to the fire rehearsal definition of the digital twin fire protection space, match the corresponding factors to be optimized according to the fire rehearsal results, and further optimize each fire protection passage according to the factors to be optimized.

[0014] In an embodiment of the present invention, through the method in the embodiment of the present invention, architectural data of multiple dimensions are collected, and corresponding architectural scenes are created according to the architectural data of each dimension; a building three-dimensional model is constructed based on the multiple architectural scenes, and abnormal parts are defined based on the traversal of the building three-dimensional model; supplementary means are matched according to the abnormal type of the abnormal part and the position of the abnormal part to output a supplementary model, and an optimized building three-dimensional model is constructed based on the supplementary model and the building three-dimensional model, so as to ensure the integrity of the building three-dimensional model and make timely supplements to the supplementary model.

[0015] In the optimized building three-dimensional model, each functional area in the building three-dimensional model is marked, and the building fire protection area is defined according to each functional area and the building three-dimensional model; multiple functional areas adjacent to the building fire protection area are collected, and corresponding functional types are matched for the multiple functional areas, and the corresponding personnel activity volume is defined according to the multiple functional types and the area of ​​each functional area, and a digital fire passage is constructed according to the hierarchical relationship between each personnel activity volume and the building three-dimensional model; a digital twin fire protection space is constructed based on each fire protection passage, and the corresponding fire rehearsal results are defined according to the fire rehearsal of the digital twin fire protection space, the corresponding factors to be optimized are matched according to the fire rehearsal results, and each fire passage is further optimized according to the factors to be optimized, so as to facilitate the precise shaping of each fire passage, be compatible with the interaction between each fire passage, and be compatible with the consideration of personnel activity volume and the hierarchical relationship of the three-dimensional model. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 is a flow chart of a building fire control method based on digital twins in an embodiment of the present invention; Figure 2 is a flow chart of S11 in the building fire control method based on digital twin in an embodiment of the present invention; Figure 3 is a flow chart of S12 in the building fire control method based on digital twin in an embodiment of the present invention; Figure 4 is a flow chart of S13 in the building fire control method based on digital twin in an embodiment of the present invention; Figure 5 is a flow chart of S14 in the building fire control method based on digital twin in an embodiment of the present invention; Figure 6 is a flow chart of S15 in the building fire control method based on digital twin in an embodiment of the present invention; Figure 7 is a flow chart of S16 in the building fire control method based on digital twin in an embodiment of the present invention; Figure 8 Schematic diagram of the structural composition of a building fire control system based on digital twins in an embodiment of the present invention; Fig. 9 The figure is a hardware diagram of an electronic device according to an exemplary embodiment. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] See also Figures 1 to 9 , a building fire control method based on digital twins is applied to a building fire control scenario based on digital twins; the building fire control method based on digital twins includes: Step S11: collecting architectural data of multiple dimensions, and creating corresponding architectural scenes according to the architectural data of each dimension; Step S12: constructing a building stereo model based on multiple building scenes, and defining abnormal parts based on traversal of the building stereo model; Step S13: matching the supplementary means according to the abnormal type of the abnormal part and the position of the abnormal part to output a supplementary model, and constructing an optimized building three-dimensional model based on the supplementary model and the building three-dimensional model; Step S14: in the optimized building 3D model, marking each functional area in the building 3D model, and defining the building fire protection area according to each functional area and the building 3D model; Step S15: collecting multiple functional areas adjacent to the building fire protection area, matching corresponding functional types for the multiple functional areas, defining corresponding personnel activity volumes according to the multiple functional types and the area of ​​each functional area, and constructing a digital fire protection passage according to the hierarchical relationship between the personnel activity volumes and the building three-dimensional model; Step S16: Construct a digital twin fire protection space based on each fire protection passage, and define corresponding fire protection rehearsal results according to the fire protection rehearsal of the digital twin fire protection space, match corresponding factors to be optimized according to the fire protection rehearsal results, and further optimize each fire protection passage according to the factors to be optimized.

[0020] In an embodiment of the present invention, through the method in the embodiment of the present invention, architectural data of multiple dimensions are collected, and corresponding architectural scenes are created according to the architectural data of each dimension; a building three-dimensional model is constructed based on the multiple architectural scenes, and abnormal parts are defined based on the traversal of the building three-dimensional model; supplementary means are matched according to the abnormal type of the abnormal part and the position of the abnormal part to output a supplementary model, and an optimized building three-dimensional model is constructed based on the supplementary model and the building three-dimensional model, so as to ensure the integrity of the building three-dimensional model and make timely supplements to the supplementary model.

[0021] In the optimized building three-dimensional model, each functional area in the building three-dimensional model is marked, and the building fire protection area is defined according to each functional area and the building three-dimensional model; multiple functional areas adjacent to the building fire protection area are collected, and corresponding functional types are matched for the multiple functional areas, and the corresponding personnel activity volume is defined according to the multiple functional types and the area of ​​each functional area, and a digital fire passage is constructed according to the hierarchical relationship between each personnel activity volume and the building three-dimensional model; a digital twin fire protection space is constructed based on each fire protection passage, and the corresponding fire rehearsal results are defined according to the fire rehearsal of the digital twin fire protection space, the corresponding factors to be optimized are matched according to the fire rehearsal results, and each fire passage is further optimized according to the factors to be optimized, so as to facilitate the precise shaping of each fire passage, be compatible with the interaction between each fire passage, and be compatible with the consideration of personnel activity volume and the hierarchical relationship of the three-dimensional model.

[0022] In step S11, building data of multiple dimensions are collected, and corresponding building scenes are created according to the building data of each dimension; In the specific implementation process of the present invention, the specific steps may be: S111: Locate the building to be modeled and match it with the corresponding building drawing; S112: Dividing a plurality of parts to be modeled based on the building drawing; S113: defining corresponding data collection means according to the spatial position of the part to be modeled and the overall outer contour of the part to be modeled; S114: triggering the collection of building data according to the data collection means and the part to be modeled, and collecting building data of corresponding dimensions; at this time, the data collection means include drone scanning, manual scanning, and laser panoramic scanning; S115: Collect building data of various dimensions; S116: Construct a corresponding building scene based on the building data of each dimension and the scene learning model.

[0023] In an embodiment of the present application, a building to be modeled is located and matched with a corresponding building drawing, so as to facilitate further processing of the corresponding building drawing, thereby dividing the building to be modeled, so as to facilitate dividing multiple parts to be modeled based on the building drawing.

[0024] At this point, multiple parts to be modeled are introduced, and targeted management and control are carried out for the multiple parts to be modeled, so as to locate the spatial position of the parts to be modeled and view the overall outer contour of the parts to be modeled. At the same time, the spatial position of the parts to be modeled and the overall outer contour of the parts to be modeled are associated, and the parts to be modeled are further processed, so as to define the corresponding data collection means according to the spatial position of the parts to be modeled and the overall outer contour of the parts to be modeled. At this point, the data collection means include drone scanning, manual scanning, and laser panoramic scanning. Different data collection means are used for different scenarios, and corresponding scans are performed on each part to be modeled.

[0025] Furthermore, the collection of building data is triggered according to the data collection means and the part to be modeled, so as to collect multiple building data, and the corresponding data collection means are used for accurate collection, so as to realize the collection of building data of corresponding dimensions. Optionally, the data collection means include drone scanning, manual scanning, and laser panoramic scanning; Therefore, the building data of each dimension is collected and introduced to control the building data based on multiple dimensions, so as to construct the corresponding building scene according to the building data of each dimension and the scene learning model, and realize the accurate construction of the building scene, so as to facilitate the subsequent processing of the building scene. Optionally, the building data includes the building area, the basic size of the building, and the outer contour of the building, etc. The building scene corresponds to the building of the building three-dimensional model, and the building three-dimensional model is formed by assembling multiple building scenes.

[0026] In step S12, a building stereo model is constructed based on the plurality of building scenes, and an abnormal part is defined based on the traversal of the building stereo model; In the specific implementation process of the present invention, the specific steps may be: S121: Freeze multiple architectural scenes; S122: Matching corresponding building features based on multiple building scenes; S123: Performing three-dimensional modeling based on the building features and the positions corresponding to the building features, and constructing a three-dimensional building model; S124: traversing the building three-dimensional model, and collecting blank parts and conflicting parts in the building three-dimensional model; S125: Define a corresponding abnormal part based on the blank part and the conflicting part.

[0027] In an embodiment of the present application, multiple architectural scenes are frozen so as to match corresponding architectural features based on the multiple architectural scenes, thereby introducing multiple architectural features. Optionally, the architectural features may be corridors, studios, functional spaces, walls, and the like.

[0028] At this time, three-dimensional modeling is performed based on the architectural features and the positions corresponding to the architectural features. The architectural features and the positions corresponding to the architectural features are introduced. The positions of the architectural features are further controlled so that multiple architectural features can be assembled according to the corresponding positions to facilitate the construction of the architectural three-dimensional model. The presentation of the architectural three-dimensional model is realized, so that the architectural three-dimensional model can be further processed.

[0029] Therefore, the building three-dimensional model is traversed and detected to collect the blank parts and conflicting parts in the building three-dimensional model, so as to further control the blank parts and conflicting parts, so as to define the corresponding abnormal parts based on the blank parts and conflicting parts, and then trigger the corresponding supplement through the abnormal parts, so as to further improve the building three-dimensional model and ensure the accuracy of the building three-dimensional model.

[0030] In step S13, a supplementary means is matched according to the abnormal type of the abnormal part and the position of the abnormal part to output a supplementary model, and an optimized building three-dimensional model is constructed based on the supplementary model and the building three-dimensional model; In the specific implementation process of the present invention, the specific steps may be: S131: freeze the abnormal part and collect the position of the abnormal part; S132: defining a corresponding abnormality type based on the detection of the abnormal part; S133: Associating the abnormal type of the abnormal part and the location of the abnormal part; S134: matching a supplementary means according to the abnormal type of the abnormal part and the position of the abnormal part, triggering a positioning scan based on the supplementary means, and supplementing a corresponding supplementary model; S135: Associating the supplementary model with the building 3D model, matching the location of the abnormal part in the building 3D model with the location of the supplementary model, and triggering the improvement of the supplementary model and the building 3D model to construct an optimized building 3D model.

[0031] In an embodiment of the present application, the abnormal part is frozen, and the position of the abnormal part is collected, thereby introducing the position of the abnormal part, so as to facilitate positioning detection of the position of the abnormal part, thereby defining the corresponding abnormal type based on the detection of the abnormal part, clarifying the abnormal type, and optionally, the abnormal type includes types such as incomplete wall, missing space, and blurred space.

[0032] At this time, the abnormal type of the abnormal part and the position of the abnormal part are fixed, and the abnormal type of the abnormal part and the position of the abnormal part are associated, so as to perform overall calculations based on the abnormal type of the abnormal part and the position of the abnormal part, so as to match the supplementary means according to the abnormal type of the abnormal part and the position of the abnormal part, so as to trigger the supplement of the abnormal part, so as to trigger the positioning scan based on the supplementary means, and supplement the corresponding supplementary model; optionally, the supplementary means is to perform local scanning and local modeling on the position corresponding to the abnormal part, so as to construct a corresponding supplementary model, so as to replace the abnormal part with the supplementary model.

[0033] Therefore, a supplementary model and a building three-dimensional model are introduced to facilitate comparison based on the supplementary model and the building three-dimensional model. At the same time, the supplementary model and the building three-dimensional model are associated, the location of the abnormal part in the building three-dimensional model is matched with the location of the supplementary model, and the improvement of the supplementary model and the building three-dimensional model is triggered to construct an optimized building three-dimensional model, so as to construct the optimized building three-dimensional model according to the supplementary model and the building three-dimensional model, thereby ensuring the integrity of the optimized building three-dimensional model and perfectly solving the abnormal part, which is convenient for further processing of the optimized building three-dimensional model.

[0034] S14: in the optimized building 3D model, marking each functional area in the building 3D model, and defining the building fire protection area according to each functional area and the building 3D model; In the specific implementation process of the present invention, the specific steps may be: S141: traversing the optimized three-dimensional building model in the optimized three-dimensional building model; S142: defining a plurality of regions based on traversal of the optimized three-dimensional building model; S143: defining corresponding functional categories based on the identification of the plurality of regions, and defining functional regions according to the plurality of regions and the corresponding functional categories; S144: Mark each functional area in the three-dimensional model of the building; S145: defining a building fire protection area according to each functional area and the building three-dimensional model, and marking the building fire protection area in the building three-dimensional model.

[0035] In an embodiment of the present application, in the optimized building three-dimensional model, the optimized building three-dimensional model is traversed and the optimized building three-dimensional model is detected. At the same time, multiple areas are defined based on the traversal of the optimized building three-dimensional model to divide the building three-dimensional model into multiple areas, thereby controlling the multiple areas and facilitating further processing of the multiple areas.

[0036] At this time, corresponding functional types are defined based on the identification of multiple areas, so that the functions of the area can be presented through functional types, and functional areas are defined according to multiple areas and corresponding functional types, thereby presenting functional areas, and corresponding functional events and personnel activities are matched to the functional areas, so as to facilitate further control of the functional areas.

[0037] At the same time, each functional area in the building three-dimensional model is marked to facilitate further processing of each functional area, so that the building fire protection area is defined according to each functional area and the building three-dimensional model, the building fire protection area is introduced, and the building fire protection area and each functional area are zoned, so that the building fire protection area is further processed. At the same time, the building fire protection area is marked in the building three-dimensional model to facilitate further control of the building fire protection area, thereby ensuring the subsequent processing of the building fire protection area.

[0038] S15: collecting multiple functional areas adjacent to the building fire protection area, matching corresponding functional types for the multiple functional areas, defining corresponding personnel activity volumes according to the multiple functional types and the area of ​​each functional area, and constructing a digital fire protection passage according to the hierarchical relationship between each personnel activity volume and the building three-dimensional model; In the specific implementation process of the present invention, the specific steps may be: S151: Locate the building fire protection area in the building three-dimensional model; S152: Traversing the adjacent environment based on the location of the building fire protection area, and collecting multiple functional areas adjacent to the building fire protection area; S153: Matching corresponding function types for multiple function areas; S154: defining corresponding human activity amounts according to multiple functional categories and the area of ​​each functional area; S155: Associating the activity volume and time of the personnel, and estimating the maximum activity volume of the personnel according to the activity volume and time of the personnel; S156: defining the corresponding human activity volume in each level based on the human activity limit volume and the hierarchical relationship of the building three-dimensional model; S157: Construct a digital fire passage according to the corresponding personnel activities in each level, the area of ​​the building fire protection area and the fire diversion direction of the building fire protection area.

[0039] In an embodiment of the present application, the building fire protection area in the building three-dimensional model is located, the building fire protection area is further refined, and the surrounding environment of the building fire protection area is controlled. At this time, the adjacent environment is traversed based on the location of the building fire protection area, and multiple functional areas adjacent to the building fire protection area are collected to facilitate analysis of the multiple functional areas adjacent to the building fire protection area, thereby defining functional types corresponding to the multiple functional area definitions. Optionally, S153: matching corresponding functional types for multiple functional areas.

[0040] Furthermore, the corresponding volume of personnel activities is defined according to multiple functional types and the area of ​​each functional area, so as to control the corresponding volume of activities in multiple functional types and the area of ​​each functional area, thereby estimating the corresponding volume of personnel activities and achieving a preliminary assessment of the number of people, so as to facilitate interaction with the number of people and the fire protection areas of the building.

[0041] Therefore, the amount of personnel activity and time are associated, and the maximum amount of personnel activity is estimated based on the amount of personnel activity and time; the corresponding amount of personnel activity in each level is defined based on the hierarchical relationship between the maximum amount of personnel activity and the three-dimensional model of the building; a digital fire passage is constructed according to the corresponding amount of personnel activity in each level, the area of ​​the building fire protection area, and the fire diversion direction of the building fire protection area, so as to control multiple dimensions based on the corresponding amount of personnel activity in each level, the area of ​​the building fire protection area, and the fire diversion direction of the building fire protection area, so as to control the digital fire passage on the basis of the corresponding amount of personnel activity in each level, the area of ​​the building fire protection area, and the fire diversion direction of the building fire protection area, thereby realizing the construction of the digital fire passage and ensuring the accuracy and environmental adaptability of the digital fire passage.

[0042] S16: construct a digital twin firefighting space based on each firefighting passage, and define corresponding firefighting rehearsal results according to the firefighting rehearsal of the digital twin firefighting space, match corresponding factors to be optimized according to the firefighting rehearsal results, and further optimize each firefighting passage according to the factors to be optimized; In the specific implementation process of the present invention, the specific steps may be: S161: In the building stereo model, associate each fire escape route; S162: Construct a digital twin firefighting space based on each firefighting passage and the connecting passages between each firefighting passage; S163: traversing the fire fighting space of the digital twin, and formulating a corresponding multi-channel fire fighting route according to the traversal of the fire fighting space of the digital twin; S164: triggering a fire rehearsal of the fire fighting space of the digital twin based on the multi-channel fire fighting route. At this time, the fire rehearsal of the fire fighting space of the digital twin is performed according to the multi-channel fire fighting route and the virtual personnel. The fire rehearsal of the fire fighting space of the digital twin is a virtual fire rehearsal. S165: Collect the fire drill results corresponding to the fire drill of the fire fighting space of the digital twin; match the corresponding factors to be optimized according to the fire drill results and the comparison table to be optimized; S166: Match the corresponding optimization part according to the factors to be optimized, define the corresponding optimization path according to the optimization part, and further optimize each fire escape passage based on each optimization path.

[0043] In an embodiment of the present application, in the optimized building three-dimensional model, each functional area in the building three-dimensional model is marked, and the building fire protection area is defined according to each functional area and the building three-dimensional model; multiple functional areas adjacent to the building fire protection area are collected, and corresponding functional types are matched for the multiple functional areas, the corresponding personnel activity volume is defined according to the multiple functional types and the area of ​​each functional area, and a digital fire passage is constructed according to the hierarchical relationship between each personnel activity volume and the building three-dimensional model; a digital twin fire protection space is constructed based on each fire protection passage, and the corresponding fire rehearsal results are defined according to the fire rehearsal of the digital twin fire protection space, the corresponding factors to be optimized are matched according to the fire rehearsal results, and each fire passage is further optimized according to the factors to be optimized, so as to facilitate the precise shaping of each fire passage, be compatible with the interaction between each fire passage, and be compatible with the consideration of personnel activity volume and the hierarchical relationship of the three-dimensional model.

[0044] At this time, in the three-dimensional model of the building, each fire passage is associated and interacted with, so as to build a digital twin fire space based on each fire passage and the connecting channels between each fire passage, so as to present multiple fire passages based on the digital twin fire space, and connect multiple fire passages to facilitate the management and control of the fire routes of the digital twin fire space.

[0045] Furthermore, the fire-fighting space of the digital twin is traversed, and a corresponding multi-channel fire-fighting route is formulated according to the traversal of the fire-fighting space of the digital twin, so that the multi-channel fire-fighting route is frozen and the presentation of the multi-channel fire-fighting route is realized, so as to facilitate the fire-fighting virtualization of the fire-fighting space of the digital twin, thereby testing the advantages and disadvantages of the fire-fighting space of the digital twin.

[0046] Therefore, the fire rehearsal of the fire protection space of the digital twin is triggered based on the multi-channel fire protection route. At this time, the fire rehearsal of the fire protection space of the digital twin is carried out according to the multi-channel fire protection route and virtual personnel. The fire rehearsal of the fire protection space of the digital twin is a virtual fire rehearsal. At the same time, the fire rehearsal results corresponding to the fire rehearsal of the fire protection space of the digital twin are collected. The corresponding factors to be optimized are matched according to the fire rehearsal results and the comparison table to be optimized. The corresponding optimization parts are matched according to the factors to be optimized, and the corresponding optimization paths are defined according to the optimization parts, and each fire channel is further optimized based on each optimization path.

[0047] Furthermore, a digital fire escape is constructed according to the amount of personnel activity and the hierarchical relationship of the building three-dimensional model; a digital twin fire space is constructed based on each fire escape, and the corresponding fire drill results are defined according to the fire drill of the digital twin fire space, and the corresponding factors to be optimized are matched according to the fire drill results, and each fire escape is further optimized according to the factors to be optimized, thereby facilitating the precise shaping of each fire escape, being compatible with the interaction between each fire escape, and at the same time being compatible with the consideration of the amount of personnel activity and the hierarchical relationship of the three-dimensional model.

[0048] In an embodiment of the present invention, through the method in the embodiment of the present invention, architectural data of multiple dimensions are collected, and corresponding architectural scenes are created according to the architectural data of each dimension; a building three-dimensional model is constructed based on the multiple architectural scenes, and abnormal parts are defined based on the traversal of the building three-dimensional model; supplementary means are matched according to the abnormal type of the abnormal part and the position of the abnormal part to output a supplementary model, and an optimized building three-dimensional model is constructed based on the supplementary model and the building three-dimensional model, so as to ensure the integrity of the building three-dimensional model and make timely supplements to the supplementary model.

[0049] In the optimized building three-dimensional model, each functional area in the building three-dimensional model is marked, and the building fire protection area is defined according to each functional area and the building three-dimensional model; multiple functional areas adjacent to the building fire protection area are collected, and corresponding functional types are matched for the multiple functional areas, and the corresponding personnel activity volume is defined according to the multiple functional types and the area of ​​each functional area, and a digital fire passage is constructed according to the hierarchical relationship between each personnel activity volume and the building three-dimensional model; a digital twin fire protection space is constructed based on each fire protection passage, and the corresponding fire rehearsal results are defined according to the fire rehearsal of the digital twin fire protection space, the corresponding factors to be optimized are matched according to the fire rehearsal results, and each fire passage is further optimized according to the factors to be optimized, so as to facilitate the precise shaping of each fire passage, be compatible with the interaction between each fire passage, and be compatible with the consideration of personnel activity volume and the hierarchical relationship of the three-dimensional model.

[0050] See also Figure 8 , Figure 8 It is a schematic diagram of the structural composition of a building fire control system based on digital twin in an embodiment of the present invention.

[0051] like Figure 8 As shown, a building fire control system based on digital twins, the building fire control system based on digital twins includes: The building scene module 21 is used to collect building data of multiple dimensions and create corresponding building scenes according to the building data of each dimension; An abnormal module 22, used to construct a building stereo model based on multiple building scenes, and define abnormal parts based on the traversal of the building stereo model; The building module 23 is used to match the supplementary means according to the abnormal type of the abnormal part and the location of the abnormal part to output the supplementary model, and construct an optimized building three-dimensional model based on the supplementary model and the building three-dimensional model; The fire protection area module 24 is used to mark each functional area in the optimized building three-dimensional model, and define the building fire protection area according to each functional area and the building three-dimensional model; The fire passage module 25 is used to collect multiple functional areas adjacent to the building fire area, match the corresponding functional types for the multiple functional areas, define the corresponding personnel activity volume according to the multiple functional types and the area of ​​each functional area, and construct a digital fire passage according to the hierarchical relationship between the personnel activity volume and the building three-dimensional model; The optimization module 26 is used to construct a digital twin fire protection space based on each fire protection passage, and define corresponding fire protection rehearsal results according to the fire protection rehearsal of the digital twin fire protection space, match corresponding factors to be optimized according to the fire protection rehearsal results, and further optimize each fire protection passage according to the factors to be optimized.

[0052] See also Fig. 9 , refer to the following Fig. 9 The electronic device 40 according to this embodiment of the present invention will be described. Fig. 9 The electronic device 40 shown is only an example and should not bring any limitation to the functions and scope of use of the embodiments of the present invention.

[0053] like Fig. 9 As shown, the electronic device 40 is in the form of a general computing device. The components of the electronic device 40 may include but are not limited to: at least one processing unit 41, at least one storage unit 42, and a bus 43 connecting different system components (including the storage unit 42 and the processing unit 41).

[0054] The storage unit stores program codes, which can be executed by the processing unit 41, so that the processing unit 41 executes the steps according to various exemplary embodiments of the present invention described in the above “Embodiment Method” section of this specification.

[0055] The storage unit 42 may include a readable medium in the form of a volatile storage unit, such as a random access memory unit (RAM) 421 and / or a cache memory unit 422 , and may further include a read-only memory unit (ROM) 423 .

[0056] The storage unit 42 may also include a program / utility 424 having a set (at least one) of program modules 425, such program modules 425 including but not limited to: an operating system, one or more application programs, other program modules, and program data, each of which or some combination may include an implementation of a network environment.

[0057] Bus 43 may represent one or more of several types of bus structures, including a memory unit bus or memory unit controller, a peripheral bus, an accelerated graphics port, a processing unit, or a local bus using any of a variety of bus architectures.

[0058] The electronic device 40 may also communicate with one or more external devices (e.g., keyboards, pointing devices, Bluetooth devices, etc.), one or more devices that enable a trainee to interact with the electronic device 40, and / or any device that enables the electronic device 40 to communicate with one or more other computing devices (e.g., routers, modems, etc.). Such communication may be performed via an input / output (I / O) interface 44. Furthermore, the electronic device 40 may also communicate with one or more networks (e.g., a local area network (LAN), a wide area network (WAN), and / or a public network, such as the Internet) via a network adapter 45. Fig. 9 As shown, the network adapter 45 communicates with other modules of the electronic device 40 via the bus 43. It should be understood that although Fig. 9 Not shown, other hardware and / or software modules may be used in conjunction with the electronic device 40, including but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives, and data backup planning systems.

[0059] Through the description of the above implementation, it is easy for those skilled in the art to understand that the example implementation described here can be implemented by software, or by software combined with necessary hardware. Therefore, the technical solution according to the implementation of the present disclosure can be embodied in the form of a software product, which can be stored in a non-volatile storage medium (which can be a CD-ROM, a USB flash drive, a mobile hard disk, etc.) or on a network, and includes a number of instructions to enable a computing device (which can be a personal computer, a server, a terminal device, or a network device, etc.) to execute the method according to the implementation of the present disclosure.

[0060] Those skilled in the art can understand that all or part of the steps in the various methods of the above embodiments can be completed by instructing related hardware through a program, and the program can be stored in a computer-readable storage medium, and the storage medium can include: a read-only memory (ROM), a random access memory (RAM), a disk or an optical disk, etc. In addition, it stores computer program instructions, and when the computer program instructions are executed by a computer, the computer executes the above method.

[0061] In addition, the digital twin-based building fire control method and system provided in the embodiments of the present invention are introduced in detail above. Specific examples are used in this article to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the method of the present invention and its core idea; at the same time, for general technical personnel in this field, according to the ideas of the present invention, there will be changes in the specific implementation methods and application scopes. In summary, the content of this specification should not be understood as a limitation on the present invention.

Claims

1. A building fire control method and system based on digital twins, characterized in that: Applied to building fire control scenarios based on digital twins; The building fire control method and system based on digital twins include: Collect building data in multiple dimensions and create corresponding building scenes based on the building data in each dimension; Building a building stereo model based on multiple building scenes, and defining abnormal parts based on traversal of the building stereo model; Matching supplementary means according to the abnormal type of the abnormal part and the location of the abnormal part to output a supplementary model, and constructing an optimized building three-dimensional model based on the supplementary model and the building three-dimensional model; In the optimized building three-dimensional model, each functional area in the building three-dimensional model is marked, and the building fire protection area is defined according to each functional area and the building three-dimensional model; Collect multiple functional areas adjacent to the building fire protection area, match the corresponding functional types for the multiple functional areas, define the corresponding personnel activity volume according to the multiple functional types and the area of ​​each functional area, and construct a digital fire protection passage according to the hierarchical relationship between the personnel activity volume and the building three-dimensional model; A digital twin fire protection space is constructed based on each fire protection passage, and the corresponding fire protection rehearsal results are defined according to the fire protection rehearsal of the digital twin fire protection space. The corresponding factors to be optimized are matched according to the fire protection rehearsal results, and each fire protection passage is further optimized according to the factors to be optimized.

2. The building fire control method and system based on digital twin according to claim 1 is characterized in that: The collecting of building data in multiple dimensions and creating corresponding building scenes according to the building data in each dimension include: Locate the buildings that need to be modeled and match them with the corresponding building drawings; Divide multiple parts to be modeled based on the building drawings; Defining corresponding data collection means according to the spatial position of the part to be modeled and the overall outer contour of the part to be modeled; The collection of building data is triggered according to the data collection method and the part to be modeled, and the building data of the corresponding dimensions are collected; at this time, the data collection methods include drone scanning, manual scanning, and laser panoramic scanning; Collect building data in various dimensions; Construct the corresponding architectural scene based on the architectural data of each dimension and the scene learning model.

3. The building fire control method and system based on digital twin according to claim 2 is characterized in that: The step of constructing a building stereo model based on a plurality of building scenes and defining abnormal parts based on traversal of the building stereo model includes: Freeze multiple architectural scenes; Matching corresponding building features based on multiple building scenes; Perform three-dimensional modeling based on building features and positions corresponding to the building features, and construct a three-dimensional building model; Traverse the building three-dimensional model, and collect blank parts and conflicting parts in the building three-dimensional model; The corresponding exception parts are defined based on the blank parts and the conflicting parts.

4. The building fire control method and system based on digital twin according to claim 3 is characterized in that: The method of supplementing the corresponding supplementary model according to the abnormal type of the abnormal part and the position of the abnormal part, and constructing an optimized three-dimensional building model based on the supplementary model and the three-dimensional building model, includes: Freeze the abnormal part and collect the location of the abnormal part; Defining corresponding abnormality types based on the detection of abnormal parts; The abnormal type associated with the abnormal part and the location of the abnormal part; Matching the supplementary means according to the abnormal type of the abnormal part and the position of the abnormal part, triggering the positioning scan based on the supplementary means, and supplementing the corresponding supplementary model; The supplementary model and the building three-dimensional model are associated, the location of the abnormal part in the building three-dimensional model is matched with the location of the supplementary model, and the improvement of the supplementary model and the building three-dimensional model is triggered to construct an optimized building three-dimensional model.

5. The building fire control method and system based on digital twin according to claim 4 is characterized in that: In the optimized building three-dimensional model, each functional area in the building three-dimensional model is marked, and the building fire protection area is defined according to each functional area and the building three-dimensional model, including: In the optimized three-dimensional building model, traverse the optimized three-dimensional building model; Defining a plurality of regions based on traversal of the optimized building stereo model; Defining corresponding functional categories based on the identification of the plurality of regions, and defining functional regions based on the plurality of regions and the corresponding functional categories; Mark the functional areas in the building three-dimensional model; The building fire protection area is defined according to each functional area and the building three-dimensional model, and the building fire protection area is marked in the building three-dimensional model.

6. The digital twin-based building fire control method and system according to claim 5 is characterized in that: The method collects multiple functional areas adjacent to the building fire protection area, matches corresponding functional types to the multiple functional areas, defines corresponding personnel activity volumes according to the multiple functional types and the area of ​​each functional area, and constructs a digital fire protection passage according to the hierarchical relationship between the personnel activity volumes and the building three-dimensional model, including: Locate building fire protection zones in building diorama; Traverse the adjacent environment based on the location of the building fire protection area, and collect multiple functional areas adjacent to the building fire protection area; Match corresponding functional types for multiple functional areas; The corresponding amount of human activity is defined according to multiple functional types and the area of ​​each functional area.

7. The digital twin-based building fire control method and system according to claim 6 is characterized in that: The method includes collecting multiple functional areas adjacent to the building fire protection area, matching corresponding functional types for the multiple functional areas, defining corresponding personnel activity volumes according to the multiple functional types and the area of ​​each functional area, and constructing a digital fire protection passage according to the hierarchical relationship between the personnel activity volumes and the building three-dimensional model, and further includes: Associate the amount of activity and time of personnel, and estimate the maximum amount of activity of personnel based on the amount of activity and time; Based on the maximum activity volume of personnel and the hierarchical relationship of the building three-dimensional model, the corresponding activity volume of personnel in each level is defined; A digital fire passage is constructed based on the corresponding personnel activity volume at each level, the area of ​​the building's fire protection zone, and the fire diversion direction of the building's fire protection zone.

8. The digital twin-based building fire control method and system according to claim 7, characterized in that: The firefighting space of the digital twin is constructed based on each firefighting passage, and a corresponding firefighting preview result is defined according to the firefighting preview of the firefighting space of the digital twin, and the corresponding factors to be optimized are matched according to the firefighting preview result, and each firefighting passage is further optimized according to the factors to be optimized, including: In the building three-dimensional model, associate each fire escape route; Construct a digital twin firefighting space based on each firefighting passage and the connecting passages between them; Traverse the fire fighting space of the digital twin, and formulate corresponding multi-channel fire fighting routes according to the traversal of the fire fighting space of the digital twin; The fire rehearsal of the fire fighting space of the digital twin is triggered based on the multi-channel fire fighting route. At this time, the fire rehearsal of the fire fighting space of the digital twin is carried out according to the multi-channel fire fighting route and virtual personnel. The fire rehearsal of the fire fighting space of the digital twin is a virtual fire rehearsal.

9. The building fire control method and system based on digital twin according to claim 8 is characterized in that: The method of constructing a digital twin firefighting space based on each firefighting passage, defining a corresponding firefighting preview result according to the firefighting preview of the digital twin firefighting space, matching corresponding factors to be optimized according to the firefighting preview result, and further optimizing each firefighting passage according to the factors to be optimized, further includes: Collect the fire drill results corresponding to the fire drill of the fire fighting space of the digital twin; Match the corresponding factors to be optimized according to the fire drill results and the comparison table to be optimized; The corresponding optimization parts are matched according to the factors to be optimized, and the corresponding optimization paths are defined according to the optimization parts, and each fire escape passage is further optimized based on each optimization path.

10. A building fire control system based on digital twins, characterized in that: The digital twin-based building fire control system is applied to the digital twin-based building fire control method as described in any one of claims 1 to 9, and the digital twin-based building fire control system includes: The building scene module is used to collect building data in multiple dimensions and create corresponding building scenes based on the building data in each dimension; An abnormal module, used for constructing a building stereo model based on multiple building scenes, and defining abnormal parts based on traversal of the building stereo model; A building module, used for matching supplementary means according to the abnormal type of the abnormal part and the location of the abnormal part to output a supplementary model, and constructing an optimized building three-dimensional model based on the supplementary model and the building three-dimensional model; The fire protection area module is used to mark each functional area in the optimized building three-dimensional model, and define the building fire protection area according to each functional area and the building three-dimensional model; The fire passage module is used to collect multiple functional areas adjacent to the building fire area, match the corresponding functional types for the multiple functional areas, define the corresponding personnel activity volume according to the multiple functional types and the area of ​​each functional area, and construct a digital fire passage according to the hierarchical relationship between the personnel activity volume and the building three-dimensional model; The optimization module is used to construct a digital twin fire protection space based on each fire protection passage, and define the corresponding fire rehearsal results according to the fire rehearsal definition of the digital twin fire protection space, match the corresponding factors to be optimized according to the fire rehearsal results, and further optimize each fire protection passage according to the factors to be optimized.

Images