Information processing device, information processing method, and program

Abstract

To provide an information processing device or the like capable of accurately analyzing a fluid and the like in a space by using BIM data in a design stage of a building.SOLUTION: An information processing device performs: acquisition of information regarding a first object of a building constituting a first space in a model from a construction design DB 16 which stores construction data containing information regarding objects of the building containing a structure constituting the building, a ventilation facility arranged in the building, and a fixture installed in the building, and the model of the building generated by using the information regarding the object of the building; acquisition of information regarding air inflow / outflow of air in the first object as compensation information in the first space from analysis design information DB 17 that is different from the construction design DB 16, which stores the compensation information being information not contained in the construction design DB 16 and used for simulation; and calculation of air-quality information indicating air-quality in the first space by simulation using the acquired information regarding inflow / outflow of air.SELECTED DRAWING: Figure 2

Description

[Technical field]

[0001] The present disclosure relates to an information processing device, an information processing method, and a program, and in particular to an information processing device, an information processing method, and a program that calculate air quality and the like using BIM (Building Information Modeling). [Background technology]

[0002] During the design stage of a building, BIM is sometimes used to perform simulations related to the building, such as air quality (see, for example, Patent Document 1).

[0003] For example, Patent Document 1 discloses extracting data requested by a client from BIM data and providing result data representing the results of a simulation related to a building that meets the client's request based on the extracted data. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] JP 2013-171579 A Summary of the Invention [Problem to be solved by the invention]

[0005] However, since BIM data is data necessary for designing a building, and is not data for analyzing spatial fluids, heat, etc., BIM data lacks data for analyzing spatial fluids, heat, etc. with high accuracy. For this reason, spatial fluids, etc. cannot be analyzed with high accuracy using BIM data, and the air quality of the building's space, such as the air age distribution and temperature distribution, cannot be calculated with high accuracy. Furthermore, if data for analyzing spatial fluids, heat, etc. were added as BIM data, the amount of data in the design stage would increase, which could lead to a decrease in the efficiency of the design stage.

[0006] The present disclosure has been made in consideration of the above-mentioned circumstances, and aims to provide an information processing device, an information processing method, and a program that are capable of performing highly accurate analysis of spatial fluids, etc., using BIM data during the design stage of a building. [Means for solving the problem]

[0007] In order to solve the above problem, an information processing device according to one embodiment of the present disclosure includes a processor and a memory, and the processor uses the memory to acquire information about a first object of the building that constitutes a first space in the model from a first database that stores architectural data including information about objects of the building, including structures that constitute a building, ventilation equipment arranged in the building, and fixtures installed in the building, and a model of the building generated using the information about the objects of the building, acquire information about the inflow and outflow of air of the first object as the supplementary information in the first space from a second database different from the first database that stores supplementary information, which is information not included in the first database and information for performing a simulation, and calculates air quality information indicating the air quality in the first space by performing a simulation using the acquired information about the inflow and outflow of air.

[0008] Furthermore, these general or specific aspects may be realized by an apparatus, a method, a system, an integrated circuit, a computer program, or a recording medium such as a computer-readable CD-ROM, or may be realized by any combination of an apparatus, a method, a system, an integrated circuit, a computer program, and a recording medium. Effect of the Invention

[0009] According to the information processing device and the like disclosed herein, analysis of spatial fluids, etc. can be performed with high accuracy using BIM data at the design stage of a building. [Brief description of the drawings]

[0010] [Figure 1] FIG. 1 is a diagram illustrating an example of an information processing device according to the first embodiment. [Diagram 2] FIG. 2 is a diagram illustrating a configuration of the information processing device according to the first embodiment. [Diagram 3] FIG. 3 is a diagram showing an example of a configuration of BIM data according to the first embodiment. [Figure 4] FIG. 4 is a block diagram showing a functional configuration of the arithmetic circuit shown in FIG. [Diagram 5] FIG. 5 is a flowchart showing the operation of the information processing device according to the first embodiment. [Figure 6] FIG. 6 is a flowchart illustrating an example of the operation of the information processing device according to the first embodiment. [Figure 7] FIG. 7 is a diagram showing an example of a model of a building according to an operation example of the first embodiment. [Figure 8] FIG. 8 is a diagram showing an example of building information according to an operation example of the first embodiment. [Figure 9] FIG. 9 is a diagram showing an example of material property compensation information according to the operation example of the first embodiment. [Figure 10] FIG. 10 is a diagram showing an example of gap filling information according to an operation example of the first embodiment. [Figure 11A] FIG. 11A is a diagram showing an example of information related to a door object included in BIM data according to the operation example of the first embodiment. [Figure 11B] FIG. 11B is a diagram showing an example of information on a door object included in the gap filling data according to the operation example of the first embodiment. [Figure 12A] FIG. 12A is a diagram showing an example of information related to indoor unit objects included in BIM data according to the operation example of the first embodiment. [Figure 12B] FIG. 12B is a diagram showing an example of information on indoor unit objects included in the gap filling data according to the operation example of the first embodiment. [Figure 12C] FIG. 12C is a diagram showing an example of a state in which indoor unit objects according to the operation example of embodiment 1 are installed in a building. [Figure 13] FIG. 13 is a diagram showing another example of the gap filling information according to the operation example of the first embodiment. [Figure 14] FIG. 14 is a diagram showing yet another example of the gap filling information according to the operation example of the first embodiment. [Figure 15] FIG. 15 is a diagram showing a simulation result of the age of air distribution according to the operation example of the first embodiment. [Figure 16] FIG. 16 is a diagram showing a simulation result of the temperature distribution according to the operation example of the first embodiment. [Figure 17] FIG. 17 is a diagram showing an example of the configuration of the architectural design DB according to the second embodiment. [Figure 18] FIG. 18 is a flowchart illustrating an example of the operation of the information processing device according to the second embodiment. [Figure 19] FIG. 19 is a diagram showing an example of same product series information according to an operation example of the second embodiment. [Figure 20] FIG. 20 is a diagram showing an example of gap filling information according to an operation example of the second embodiment. [Figure 21] FIG. 21 is a diagram showing an example of air quality information for comparison in the operation example of the second embodiment. [Figure 22A] FIG. 22A is a diagram showing an example of the arrangement position of a ventilation fan object for creating air quality information for comparison in accordance with an operation example of the modified example. [Figure 22B] FIG. 22B is a diagram showing an example of the arrangement position of a ventilation fan object for creating air quality information for comparison in accordance with an operation example of the modified example. [Figure 22C] FIG. 22C is a diagram showing an example of the arrangement position of a ventilation fan object for creating air quality information for comparison in accordance with an operation example of the modified example. [Figure 23A] FIG. 23A is a diagram showing an air flow when the door object according to Modification 3 is in a closed state. [Figure 23B] FIG. 23B is a diagram showing an air flow when the door object according to Modification 3 is in an open state. [Figure 24]FIG. 24 is a diagram showing an example of gap filling information including the open / closed state of a door object according to the third modification. [Diagram 25] FIG. 25 is a diagram showing an example of gap filling information including the open / closed state of a window object according to the third modification. [Figure 26A] FIG. 26A is a diagram showing an example of different levels of detail of a BIM object. [Figure 26B] FIG. 26B is a diagram showing an example of different levels of detail of a BIM object. [Figure 26C] FIG. 26C illustrates an example of different levels of detail of a BIM object. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0011] An information processing device according to one embodiment of the present disclosure includes a processor and a memory, and the processor uses the memory to acquire information about a first object of the building that constitutes a first space in the model from a first database that stores architectural data including information about objects of the building, including structures that constitute a building, ventilation equipment placed in the building, and fixtures installed in the building, and a model of the building generated using the information about the objects of the building, acquire information about the inflow and outflow of air of the first object as the supplementary information in the first space from a second database different from the first database that stores supplementary information, which is information not included in the first database and information for performing a simulation, and calculates air quality information indicating the air quality in the first space by performing a simulation using the acquired information about the inflow and outflow of air.

[0012] This makes it possible to obtain information about the first object of the building that constitutes the first space in the building model included in the BIM data from the first database, and to obtain information about the inflow and outflow of air of the first object from the second database. As a result, a simulation can be performed using the information about the inflow and outflow of air, and air quality information that indicates the air quality in the first space, such as air age distribution, can be calculated.

[0013] Here, for example, the information about the first object may include information about a fixture object installed in an opening of the structure that constitutes the first space in the model, and the information about the fixture object may include at least an identifier, size, and location information of the fixture object. Also, the information about the inflow and outflow of air of the first object may include information about a gap space between the opening and the fixture when the fixture represented by the fixture object is actually installed in an opening of the structure that constitutes the first space, and the information about the gap space may include at least information about the position, size, amount of inflow and outflow, and direction of inflow and outflow of the gap space.

[0014] As a result, analysis of the fluid in the first space, etc. can be performed with high accuracy using simulation at the design stage of the building, so that air quality information can be calculated with high accuracy.

[0015] Also, for example, the fitting object may be a door object or a window object, and the information regarding the inflow and outflow of air from the first object may further include an open / closed state of the fitting object.

[0016] This makes it possible to calculate air quality information for the first space that changes depending on whether the window object or door object is open or closed. Furthermore, by using the changing air quality information, it is possible to optimize the layout and products of building objects, including ventilation equipment, so that specified air quality conditions are met even if the air quality changes. As a result, it is possible to minimize the energy consumed by the ventilation equipment while still meeting the specified air quality conditions.

[0017] Furthermore, for example, the information about the first object may include information about a ventilation equipment object installed at an opening of the structure that constitutes the first space in the model, and the information about the inflow and outflow of air of the first object may include information about an air vent through which air flows in and out of the ventilation equipment when the ventilation equipment shown in the ventilation equipment object is actually installed at an opening of the structure that constitutes the first space, and the information about the air vent may include at least information about the position, size, amount of inflow and outflow, and direction of inflow and outflow of the air vent.

[0018] As a result, analysis of fluids in the first space, etc. can be performed with high accuracy using simulations at the design stage of a building, so that air quality information can be calculated with high accuracy.

[0019] Also, for example, the information about the first object further includes information about each of the ventilation equipment product series applied to the ventilation equipment object, and the information about each of the product series includes an identifier, size, and capacity of each of the product series, and the processor, when calculating the air quality information, may further calculate the air quality for each of the product series by performing the simulation when each of the product series is applied to the ventilation equipment object, and update the model to the ventilation equipment object to which a product from the product series that shows the best air quality among the calculated air qualities is applied.

[0020] This makes it possible to calculate air quality information for the first space that changes depending on each product series of the ventilation equipment applied to the ventilation equipment object. Furthermore, based on the calculated air quality information, a product from the product series that satisfies a predetermined air quality condition is applied to the ventilation equipment object, thereby optimizing the ventilation equipment object. As a result, it becomes possible to minimize the energy consumed by the ventilation equipment while still satisfying the predetermined air quality condition.

[0021] Furthermore, for example, when calculating the air quality information, the processor may further perform the simulation when the arrangement of the ventilation equipment in the first space is changed, thereby calculating the air quality when the arrangement is changed, and update the model to one in which the arrangement of the ventilation equipment is modified so that it is an arrangement that shows the best air quality among the different arrangements.

[0022] This makes it possible to optimize the placement of ventilation equipment objects based on the calculated air quality information.

[0023] Here, for example, the model and the information about the building objects are included in BIM (Building Information Modeling) data.

[0024] In addition, an information processing method according to one embodiment of the present disclosure is an information processing method performed by a computer, which obtains information about a first object of the building that constitutes a first space in the model from a first database that stores architectural data including information about objects of the building, including structures that constitute a building, ventilation equipment placed in the building, and fixtures installed in the building, and a model of the building generated using the information about the objects of the building, obtains information about the inflow and outflow of air of the first object as the supplementary information in the first space from a second database different from the first database that stores supplementary information, which is information not included in the first database and information for performing a simulation, and calculates air quality information indicating the air quality in the first space by performing a simulation using the obtained information about the inflow and outflow of air.

[0025] In addition, a program according to one embodiment of the present disclosure is a program for causing a computer to execute the following: acquire information about a first object of the building that constitutes a first space in the model from a first database that stores architectural data including information about objects of the building, including structures that constitute a building, ventilation equipment to be placed in the building, and fixtures installed in the building, and a model of the building generated using the information about the objects of the building; acquire information about the inflow and outflow of air of the first object as the supplementary information in the first space from a second database different from the first database that stores supplementary information, which is information not included in the first database and information for performing a simulation; and calculate air quality information indicating the air quality in the first space by performing a simulation using the acquired information about the inflow and outflow of air.

[0026] (Embodiment 1) [Hardware configuration] FIG. 1 is a diagram showing an example of an information processing device 1 according to the present embodiment.

[0027] The information processing device 1 is composed of a personal computer or the like, and generates BIM data. The information processing device 1 acquires object data and arrangement information from a first database, and generates a model to be generated by BIM based on the acquired object data and arrangement information, etc. The information processing device 1 includes the generated model in the BIM data and stores it in the first database.

[0028] Furthermore, in the design stage of a building, the information processing device 1 performs highly accurate analysis of fluids in the space using the BIM data stored in the first database and data that is missing from the BIM data stored in a second database different from the first database (hereinafter referred to as supplementary data).The information processing device 1 performs highly accurate analysis of fluids in the space using simulation, thereby calculating the air quality of the space in the building, such as the air age distribution and temperature distribution in the space.

[0029] FIG. 2 is a diagram showing a configuration of the information processing device 1 according to the present embodiment.

[0030] The information processing device 1 includes an input unit 10, an arithmetic circuit 11, a memory 12, an output unit 13, a storage unit 14, a communication unit 15, an architectural design DB 16, and an analysis design DB 17.

[0031] The input unit 10 functions as an HMI (Human Machine Interface) that accepts input operations by a user, and includes, for example, a keyboard, a mouse, a touch sensor, a touch pad, and the like.

[0032] The arithmetic circuit 11 is a circuit that executes the program 104a expanded in the memory 12, and is, for example, a CPU (Central Processing Unit) or a GPU (Graphics Processing Unit). When executing the program 104a, the arithmetic circuit 11 may use each temporary data 104b stored in the storage unit 14.

[0033] The program 104a that is read and expanded by the arithmetic circuit 11 is temporarily stored in the memory 12. Such a memory 12 is, for example, a volatile RAM (Random Access Memory).

[0034] The output unit 13 has a display that displays images or characters, and the display is, for example, a liquid crystal display, a plasma display, an organic EL (Electro-Luminescence) display, etc. The output unit 13 may have a printer that prints images or characters, etc., and may have a function of storing data output from the arithmetic circuit 11 in the storage unit 14. The output unit 13 may also be a head-mounted display, etc., and may output data output from the arithmetic circuit 11 as XR, such as VR (Virtual Reality), AR (Augmented Reality), and MR (Mixed Reality).

[0035] The storage unit 14 stores a program (i.e., a computer program) 104a in which each command to the arithmetic circuit 11 is written. The storage unit 14 may also store each temporary data 104b temporarily generated by the processing of the arithmetic circuit 11. The storage unit 14 is a non-volatile recording medium, for example, a magnetic storage device such as a hard disk, an optical disk, or a semiconductor memory. The program 104a is provided to the information processing device 1 via, for example, a removable medium or a network, and is stored in the storage unit 14. The removable medium is, for example, a CD-ROM (Compact Disc Read Only Memory), a flash memory, or the like. For this reason, the communication unit 15 may be provided with an interface for reading the program 104a from the removable medium.

[0036] The communication unit 15 communicates with a device external to the information processing device 1. The communication may be wireless communication or wired communication. The wireless communication method may be Wi-Fi (registered trademark), Bluetooth (registered trademark), ZigBee, or other methods. For example, the communication unit 15 communicates with an external device and receives a data set held by the device.

[0037] The architectural design DB 16 is a non-volatile recording medium, similar to the storage unit 14, and is, for example, a magnetic storage device such as a hard disk, an optical disk, or a semiconductor memory. The architectural design DB 16 is an example of a first database. The architectural design DB 16 stores the calculation required data 161 including the architectural data 162 and the secret data 163. For example, the calculation circuit 11 acquires the architectural data 162 and the secret data 163 from an external device via the network and the communication unit 15, and stores the acquired architectural data 162 and the secret data 163 in the architectural design DB 16. The architectural data 162 includes, for example, information on the building object including the structure constituting the building, the ventilation equipment arranged in the building, and the fixtures installed in the building. In other words, the architectural data 162 is data required for designing the building, and includes, for example, BIM data. When the calculation circuit 11 generates a 3D model of the building using information on the building object, the calculation circuit 11 stores the generated 3D model of the building in the BIM data.

[0038] The confidential data 163 is data related to the users of the building, for example, customer information, which the architectural designer wishes to keep confidential.

[0039] In this embodiment, the storage unit 14 and the architectural design DB 16 are separate recording media, but the storage unit 14 and the architectural design DB 16 may be configured as a single recording medium including them.

[0040] The analysis design DB 17 is a non-volatile recording medium, similar to the storage unit 14, and is, for example, a magnetic storage device such as a hard disk, an optical disk, or a semiconductor memory. The analysis design DB 17 is an example of a second database different from the first database, and may exist externally. The analysis design DB 17 stores compensation data including information not included in the architectural design DB 16 and information for performing a simulation. In the example shown in FIG. 2, the compensation data (compensation information) includes material property compensation data 171 and gap compensation data 172.

[0041] 2, one architectural design DB 16 is shown as an example of the first database, and one analytical design DB 17 is shown as an example of the first database, but the present invention is not limited to this. The architectural design DB 16 may be made up of a plurality of databases in which architectural data 162 is distributed and stored. Similarly, the analytical design DB 17 may be made up of a plurality of databases in which material property filling data 171 and gap filling data 172 are distributed and stored. In other words, the arithmetic circuit 11 may be able to use three or more databases.

[0042] [BIM data] FIG. 3 is a diagram showing an example of a configuration of BIM data according to the present embodiment.

[0043] The BIM data according to the present embodiment can be acquired from an external device included in the building data 162 shown in Fig. 2. The BIM data includes object data, arrangement information, and a 3D model of the building. The BIM data may also include information about the objects of the building.

[0044] BIM constructs a building in a virtual three-dimensional space (3D space) on a computer based on object data and layout information associated with the object data, and creates a 3D model of the building on the computer. With BIM, information on planning, design, construction, and maintenance is centralized and utilized. Therefore, by using BIM, it is possible to improve the consistency of drawings at the time of design, and further reduce the effort and time required for revisions.

[0045] A 3D model of a building created by BIM includes objects such as building material parts and fixtures. The objects include foundation objects such as building material parts and fixtures, ventilation equipment objects such as indoor units of air conditioners and ventilation fans, and fixture objects such as doors and windows.

[0046] Foundation objects are objects that make up the structure of a building, such as walls, columns, and fixtures. In the design stage of a building, a basic design drawing for the structure of the building is first created, for example, to draw the concept of the building. The placement of the foundation objects is decided in the basic design. The placement information included in the BIM data includes information indicating the positions of objects within the building, and is associated with the foundation object data. A 3D model of the building is generated based on the foundation object data and the placement information associated with the foundation object data.

[0047] A ventilation equipment object is an object related to ventilation of a building, such as an air intake, an exhaust, an air conditioner, an indoor unit of the air conditioner, and an exhaust fan. The object data of a ventilation equipment object is also called HVAC (Heating, Ventilation, and Air Conditioning) data. HVAC refers to an air conditioning system including heating, ventilation, and air conditioning. A ventilation equipment object is a ventilation equipment object fixed to a foundation structure object. The placement of the ventilation equipment object is decided in the detailed design. In the detailed design, the specific specifications of the ventilation equipment object and the fitting object are decided based on the basic design drawing, and a detailed design drawing (3D model) reflecting the decided specifications is created. The position of the ventilation equipment object may be decided during the basic design.

[0048] The fixture objects are objects related to fixtures that are placed in a building, such as shoji screens, sliding doors, doors, and windows. The placement of the fixture objects is determined at the time of basic design, before the placement of the ventilation equipment objects is determined.

[0049] An object indicates some kind of entity that is the subject of processing by information processing device 1, and object data is a representation of the object as a group consisting of codes and numerical values. The object data includes 3D information of the object, as well as attribute information such as dimensions, material, performance, and material unit price. The attribute information is information that indicates attributes, and is information that indicates unique information and characteristics of an object. The object data includes multiple object data.

[0050] In this embodiment, objects constituting a 3D model of a building generated by BIM, such as fittings objects and ventilation equipment objects, are assigned unique IDs and stored in the BIM data. The unique ID of an object is uniquely assigned to a product applied to the object. Hereinafter, the 3D model will be referred to as a model.

[0051] [Function configuration] FIG. 4 is a block diagram showing a functional configuration of the arithmetic circuit 11 shown in FIG.

[0052] The arithmetic circuit 11 executes the program 104a to realize a plurality of functions for generating a building model. Specifically, the arithmetic circuit 11 includes an acquisition unit 112, a calculation unit 113, and a result output unit 114. These components are realized by the arithmetic circuit 11 executing the program 104a.

[0053] By executing the program 104a, the arithmetic circuit 11 realizes multiple functions for generating a building model (3D model) using information about the structures that make up the building, as well as information about the building objects including the ventilation equipment to be placed in the building and the fixtures installed in the building.

[0054] Furthermore, the arithmetic circuit 11 executes the program 104a to perform a simulation using the compensation data (compensation information) of the first space in the building model, and realizes a number of functions for calculating air quality information indicating the air quality in the first space.

[0055] [Acquisition unit 112] The acquisition unit 112 acquires object data. More specifically, the acquisition unit 112 acquires data for generating a model of a building using BIM. The acquisition unit 112 acquires, as data for generating a model of a building using BIM, information on structures constituting the building, and information on objects of the building including ventilation equipment arranged in the building and fittings installed in the building, for example.

[0056] The acquisition unit 112 also acquires BIM data from the architectural design DB 16, and acquires data for performing analysis (simulation) of space fluid, heat, etc., which are insufficient in the BIM data, from the analysis design DB 17. In this embodiment, the acquisition unit 112 acquires, for example, information on the inflow and outflow of air of a building object constituting a space in a building model generated by BIM from the analysis design DB 17 as data for performing analysis of space fluid, heat, etc. For example, the acquisition unit 112 acquires, from the architectural design DB 16, information on the first object of a building constituting a first space in a building model generated by BIM, and acquires, from the analysis design DB 17, information on the inflow and outflow of air of the first object as supplementary information in the first space.

[0057] Here, the information about the first object of the building may be, for example, information about a fixture object installed at an opening of a structure constituting the first space in a building model generated by BIM. In this case, the information about the fixture object includes at least an identifier, size, and placement information of the fixture object. And the information about the inflow and outflow of air of the first object is information about the gap space between the opening and the fixture when the fixture shown in the fixture object is actually installed at the opening of the structure constituting the first space. The information about the gap space includes at least information about the position, size, amount of inflow and outflow, and direction of inflow and outflow of the gap space.

[0058] Furthermore, the information about the first object of the building may be, for example, information about a ventilation equipment object installed at an opening of a structure constituting the first space in a model of the building generated by BIM. In this case, the information about the ventilation equipment object includes at least an identifier, size, and placement information of the ventilation equipment object. The information about the inflow and outflow of air of the first object is information about the air vents that the ventilation equipment has, through which air flows in and out, when the ventilation equipment shown in the ventilation equipment object is actually installed at an opening of a structure constituting the first space. The information about the air vents includes at least information about the position, size, amount of inflow and outflow, and direction of inflow and outflow of the air vents.

[0059] [Calculation unit 113] The calculation unit 113 performs calculations to generate a model of a building using BIM. More specifically, the calculation unit 113 generates the model using data for generating the BIM acquired by the acquisition unit 112. Note that the calculation unit 113 may generate the model on the cloud.

[0060] Furthermore, the calculation unit 113 performs a simulation of analysis of fluids in the space using the BIM data and supplementary data that supplements the BIM data, and performs a calculation to calculate air quality information that indicates the air quality in the space of the building. For example, the calculation unit 113 calculates air quality information that indicates the air quality in the first space by performing a simulation using information on the inflow and outflow of air of the first object of the building that constitutes the first space in the model. A specific embodiment will be described in an operation example described later.

[0061] [Result output section 114] The result output unit 114 outputs the model obtained by the calculation unit 113. In addition, the result output unit 114 outputs air quality information that indicates the air quality of the space in the building calculated by the calculation unit 113, for example.

[0062] [Operation of information processing device 1] The operation of the information processing device 1 configured as above will be described below.

[0063] FIG. 5 is a flowchart showing the operation of the information processing device 1 according to the present embodiment.

[0064] First, the information processing device 1 acquires information on the first object of the building constituting the first space in the building model generated by BIM from the architectural design DB storing architectural data (S1). Here, the architectural data includes information on the building objects including the structures constituting the building, the ventilation equipment arranged in the building, and the fittings installed in the building, and the building model generated using the information on the building objects. In this embodiment, the first object of the building may be a fitting object installed in an opening of the structure constituting the first space in the building model, or a ventilation equipment object installed in an opening of the structure constituting the first space in the building model.

[0065] Next, the information processing device 1 acquires information on the inflow and outflow of air of the first object as compensation information in the first space from the analysis design DB that stores compensation information (S2). Here, the compensation information is information that is not included in the architectural design DB 16 and is information for performing a simulation. The information on the inflow and outflow of air of the first object may be information that includes at least information on the position, size, amount of inflow and outflow, and direction of inflow and outflow of a gap space between an opening of a structure that constitutes the first space in a building model and a fitting. In addition, the information on the inflow and outflow of air of the first object may be information on the position, size, amount of inflow and outflow, and direction of inflow and outflow of an air hole of a ventilation equipment installed in an opening of a structure that constitutes the first space in a building model.

[0066] Next, the information processing device 1 calculates air quality information indicating the air quality in the first space by performing a simulation using the information on the inflow and outflow of air acquired in step S2 (S3). In this embodiment, the air quality in the first space is described as, for example, the air age distribution in the first space or the temperature distribution in the first space, but is not limited thereto. The air quality may be something other than the air age distribution and the temperature distribution as long as it can represent the air quality in the first space.

[0067] An example of the operation of the information processing device 1 will be described below with a specific example.

[0068] Fig. 6 is a flowchart showing an example of the operation of the information processing device according to the present embodiment. Fig. 7 is a diagram showing an example of a building model according to the example of the operation of the present embodiment. Fig. 8 is a diagram showing an example of architectural information according to the example of the operation of the present embodiment. Fig. 9 is a diagram showing an example of material property compensation information according to the example of the operation of the present embodiment. Fig. 10 is a diagram showing an example of gap compensation information according to the example of the operation of the present embodiment.

[0069] The operation example shown in Fig. 6 is performed during basic design, but the creation of a basic design drawing for the structure of the building of the building has been completed. In other words, the placement information of the foundation structure objects has been determined, and a building model has been generated from the data of the foundation structure objects and the placement information associated with them.

[0070] In this operation example, the shape of a room in a building partitioned by rooms and corridors is determined by a plan view or an elevation view, and a model of the building including a room elevation view 200 shown in Fig. 7 is generated, for example. In the example shown in Fig. 7, the shape of the room is determined, and a door object 251 indicating a door object, an indoor unit object 252 indicating an object of an indoor unit of an air conditioner, and a ventilation fan object 253 indicating an object of a ventilation fan are arranged in a space 201 indicating the space of the room. Note that the arrangement of the indoor unit object 252 and the arrangement of the ventilation fan object 253 are once determined for the purpose of generating the model, but it is also possible to change the arrangement after generating the model.

[0071] 6, the information processing device 1 acquires architectural information from the architectural design DB 16 (S10). Specifically, the acquisition unit 112 of the information processing device 1 acquires architectural information from the BIM data included in the architectural data 162 of the architectural design DB 16 as information on the building object that constitutes the target space (first space) in the building model.

[0072] In this operation example, the target space (first space) is a room (space) for which air quality information is to be calculated. The acquisition unit 112 of the information processing device 1 acquires information on the building objects constituting the building model including the room elevation 200 shown in FIG. 7 generated during basic design as architectural information including information on the spatial arrangement of the objects, information on materials, and object unique IDs, as shown in FIG. 8, for example. More specifically, the acquisition unit 112 of the information processing device 1 acquires architectural information including information such as a building ID, a room ID, a space ID, an object unique ID, material properties, arrangement coordinates, and size, as shown in the example shown in FIG. 8. The example of architectural information shown in FIG. 8 shows information on the building objects included in the space 201 constituting the room with the room ID of F01 linked to the space 201 with the space ID of R01 included in the building model with the building ID of B01. As examples of the building objects shown in FIG. 8, a door object 251 indicated by the object unique ID of ABCD, an indoor unit object 252 indicated by the object unique ID of EFGH, and a ventilation fan object 253 indicated by the object unique ID of IJKH are shown. The placement coordinates and size shown in Figure 8 are expressed as the placement base point of a building object, which is an element existing in space 201 with a space ID of R01, and the size in the X, Y, and Z directions when the placement base point is the origin.

[0073] In the example of Fig. 8, the layout information of the building object is represented by the layout coordinates as the origin and the size in the X, Y, and Z directions, but this is not limited to this. The layout information may be represented using a file format such as ASCII format or binary format as long as the file format represents a geometry that can be read by a tool of a simulation that performs analysis of fluid in space, etc.

[0074] Further, the information processing device 1 acquires the room elevation 200 as shown in FIG. 7 from the building model, but is not limited to this, and may acquire a floor plan of the room from the building model.

[0075] Returning to FIG. 6, the operation example will be continued below.

[0076] Next, the information processing device 1 acquires material property supplement information from the analysis design DB 17 (S11). Specifically, the acquisition unit 112 of the information processing device 1 acquires material property supplement information, which is information not included in the architectural design DB 16 and is information indicating material properties necessary for a simulation for analyzing fluids in space, from the analysis design DB 17, which is a database different from the architectural design DB 16.

[0077] In this operation example, the material property compensation information corresponds to the detailed information of the material property shown in Fig. 8, and is information that is not included in the architectural design DB 16. The acquisition unit 112 of the information processing device 1 acquires, for example, material property compensation information shown in Fig. 9 from the analysis design DB 17 using the object unique ID included in the architectural information shown in Fig. 8. More specifically, the acquisition unit 112 of the information processing device 1 acquires material property compensation information including material property information such as material properties, thermal conductivity, specific heat, and density in the object unique ID included in the architectural information shown in Fig. 8, as in the example shown in Fig. 9.

[0078] The example of the material property supplementary information shown in Fig. 9 shows material property information such as material properties, thermal conductivity, specific heat, and density for a door object 251, an indoor unit object 252, and a ventilation fan object 253, which are indicated by object unique IDs ABCD, EFGH, and IJKH. As can be seen by comparison with the material property items shown in Fig. 8, the material property supplementary information shown in Fig. 9 includes information on the thermal conductivity, specific heat, and density items in addition to the material property items.

[0079] 9, which includes information such as material properties, thermal conductivity, specific heat, and density in the object unique ID. The information processing device 1 may acquire, as material property supplementary information, any information that is not included in the architectural design DB 16 and indicates material properties necessary for a simulation for analyzing fluids in space, etc.

[0080] In addition, the information processing device 1 does not need to acquire material property compensation information for all object unique IDs included in the building information shown in FIG. 8. In this case, the information processing device 1 may prepare in advance a list indicating object unique IDs of building objects related to the inflow and outflow of air that has a high impact on the analysis of spatial fluids, etc., and determine whether the object unique ID included in the building information acquired in step S10 is included in the list. Then, the information processing device 1 may acquire material property compensation information from the analysis design DB 17 using the list and the object unique ID included in the building information. Note that building objects related to the inflow and outflow of air are objects such as fittings having gap spaces that cause the inflow and outflow of air inside and outside a room, such as doors, windows, and outlets. Also, building objects related to the inflow and outflow of air are objects such as ventilation equipment that has a function of causing the inflow and outflow of air inside and outside a room by operating, such as a ventilation fan and an indoor unit of an air conditioner.

[0081] Also, in the architectural design DB 16, information on thermal conductivity, specific heat, and density may be stored as material properties of each building object as material information. However, the information on material properties stored in the architectural design DB 16 can be changed by the designer who uses the BIM data, and there is a possibility that the correct information is not stored due to erroneous corrections by the designer. In view of this, in this embodiment, information indicating material properties necessary for a simulation for analyzing fluids in space, etc. is obtained from the analysis design DB 17 as material property supplementary information.

[0082] Returning to FIG. 6, the operation example will be continued below.

[0083] Next, the information processing device 1 acquires gap filling information from the analysis design DB 17 (S12). Specifically, the acquisition unit 112 of the information processing device 1 acquires, from the analysis design DB 17, gap filling information of building objects related to the inflow and outflow of air that is information not included in the architectural design DB 16 and is necessary for a simulation for analyzing spatial fluids, etc. The gap filling information corresponds to information on the inflow and outflow of air of building objects related to the inflow and outflow of air, and is information not included in the architectural design DB 16.

[0084] Here, the inflow and outflow of air occurs due to the operation of equipment objects such as air conditioners, ventilation fans, heat exchangers, etc. Air also flows in and out due to state changes of building objects such as opening and closing doors, opening and closing windows, and opening and closing ventilation vents.

[0085] Information regarding the flow of air in and out includes information about ventilation parts of building objects, such as the gap in a door or an indoor unit vent, that allow air to naturally flow in and out of a room, or information about changes in the state of building objects, such as doors, windows, or opening and closing ventilation openings.

[0086] Thus, the ventilation section is a concept including a gap space and an air hole. The gap space is a gap space between an opening and a fitting that occurs when a fitting shown in a fitting object is actually installed in an opening of a structure that constitutes a space. In other words, the gap space is a gap space between an object such as a fitting installed in an opening of a structural object such as a wall, floor, or ceiling that constitutes a room represented by a 3D model and the opening. The air hole is a hole or space that allows air to flow in and out of the equipment itself, including the ventilation equipment. Examples of equipment including the ventilation equipment include a fire alarm installed in an opening in the ceiling, disaster prevention equipment such as a disaster prevention speaker, lighting equipment such as a downlight, equipment such as an outlet installed in a wall or ceiling opening, and ventilation equipment such as an indoor unit of an air conditioner.

[0087] The information processing device 1 does not need to acquire gap filling data for all of the object unique IDs included in the building information shown in Fig. 8. In this case, the information processing device 1 may prepare in advance a list indicating the object unique IDs of building objects related to the inflow and outflow of air that has a high impact on the analysis of spatial fluids, etc., and determine whether the object unique ID included in the building information acquired in step S10 is included in the list. Then, the information processing device 1 may acquire gap filling information from the analysis and design DB 17 using the list and the object unique ID included in the building information.

[0088] In this operation example, the acquisition unit 112 of the information processing device 1 acquires, for example, gap filling information shown in FIG. 10 from the analysis and design DB 17 using the object unique ID included in the building information shown in FIG.

[0089] More specifically, the acquisition unit 112 of the information processing device 1 acquires gap filling information including gap information, arrangement coordinates, size, air volume, and wind direction of an object indicated by an object unique ID included in the building information shown in FIG. 8, as in the example shown in FIG. 10. The gap information indicates what type of ventilation section the object indicated by the object unique ID has. The arrangement coordinates and size indicate the arrangement position and size of the ventilation section indicated by the gap information in the model. Note that the arrangement coordinates may not be the arrangement position (absolute coordinates) of the ventilation section indicated by the gap information in the model, but may be the arrangement position (relative coordinates) in which any of the X, Y, and Z coordinates stored in the analysis design DB 17 is set to 0. If the object indicated by the object unique ID is a ventilation equipment object, the air volume and wind direction of the ventilation section indicated by the gap information are indicated. On the other hand, if the object indicated by the object unique ID is a fitting object, the air volume and wind direction are indicated as natural inflow and outflow since the air volume and wind direction cannot be specified as a constant value.

[0090] In the example of the gap filling information shown in FIG. 10, a door object 251 indicated by an object unique ID of ABCD, an indoor unit object 252 indicated by an object unique ID of EFGH, and a ventilation fan object 253 indicated by an object unique ID of IJKH are shown.

[0091] Here, for a door object 251 indicated by an object unique ID of ABCD, the difference between the BIM data acquired from the architectural design DB 16 and the gap filling data acquired from the analysis design DB 17 will be described.

[0092] Fig. 11A is a diagram showing an example of BIM data of a door object 251 acquired from the architectural design DB 16 according to the operation example of this embodiment. Fig. 11B is a diagram showing an example of gap filling data of the door object 251 acquired from the analysis design DB 17 according to the operation example of this embodiment.

[0093] In the BIM data of the door object 251 shown in Fig. 11A, the door object 251 includes that it has a depth of 36 mm (not shown) and a size of 2000 mm x 800 mm, and is acquired as the architectural information shown in Fig. 8. However, the door represented by the door object 251 actually has an undercut, which is a cutout of about 10 mm to accommodate 24-hour ventilation, but information on gap spaces such as undercuts is not included in the BIM data of the door object 251. This is because information on gap spaces such as undercuts is necessary for analyzing fluids, heat, etc. in a space, but is not necessary for generating a building model.

[0094] 11B includes information on an undercut-like gap 251a measuring 10 mm×780 mm and located at the bottom end of the door object 251. Therefore, gap filling information indicating that the ventilation part of the door object 251 is a gap, measuring 10 mm×780 mm and located at the bottom end of the door object 251, is acquired as the gap information of the door object 251 indicated by the object unique ID ABCD.

[0095] Next, for the indoor unit object 252 indicated by the object unique ID of EFGH, the difference between the BIM data acquired from the architectural design DB 16 and the gap filling data acquired from the analysis design DB 17 will be described.

[0096] Fig. 12A is a diagram showing an example of BIM data of an indoor unit object 252 acquired from the architectural design DB 16 according to an operation example of this embodiment. Fig. 12B is a diagram showing an example of gap filling data of the indoor unit object 252 acquired from the analysis design DB 17 according to an operation example of this embodiment. Fig. 12C is a diagram showing how the air vent lets air in and out as the indoor unit represented by the indoor unit object 252 according to an operation example of this embodiment operates.

[0097] In the BIM data of the indoor unit object 252 shown in FIG. 12A, the indoor unit object 252 includes that the indoor unit object 252 has a depth of 10 mm and a size of 400 mm×400 mm, and is acquired as the building information shown in FIG. 8. However, the indoor unit shown by the indoor unit object 252 actually has vents 252a to 252d for letting air in and out of the indoor unit itself. The vent 252a shown in FIG. 12B is an air vent that serves as an air intake port for exhausting air to the outside of the room, as shown in FIG. 12C. The vents 252b to 252d shown in FIG. 12B are air vents that serve as air outlets for supplying air into the room, as shown in FIG. 12C. And, information on the vents that serve as air intakes or outlets is not included in the BIM data of the indoor unit object 252. This is because information about air vents, which serve as air intakes and exhausts, is necessary for analyzing fluids, heat, etc. in a space, but is not necessary for generating a building model.

[0098] On the other hand, the gap compensation data of the indoor unit object 252 includes information on the vents 252b to 252d that serve as the air outlets and the vent 252a that serves as the air inlet. In the gap compensation data of the indoor unit object 252 indicated by the object unique ID EFGH shown in FIG. 10, "vent, inflow (air supply)" and "vent, inflow (air exhaust)" are indicated as gap information, and their arrangement coordinates, size, air volume, and air direction are indicated. In other words, the gap information indicates that the ventilation part of the indoor unit object 252 is an air vent, and whether the air vent supplies or exhausts air. In the example shown in FIG. 10, for the sake of simplicity, only the gap information of the vent 252c that serves as the air outlet and the vent 252a that serves as the air inlet of the indoor unit object 252 are indicated.

[0099] FIG. 13 is a diagram showing another example of the gap filling information according to the operation example of this embodiment.

[0100] In the example of the gap filling information shown in FIG. 10, the placement location and size are shown as information indicating the position and shape of the ventilation part indicated by the gap information, but this is not limiting.

[0101] For example, like the gap filling information shown in FIG. 13, information indicating the position and shape of the ventilation part expressed by a polygon connecting the vertex coordinates of the ventilation part indicated by the gap information may be indicated.

[0102] FIG. 14 is a diagram showing yet another example of the gap filling information according to the operation example of this embodiment.

[0103] In Fig. 10, the gap filling information is shown for a door object 251, an indoor unit object 252, and a ventilation fan object 253, which are indicated by object unique IDs of ABCD, EFGH, and IJKL, but is not limited thereto. As shown in Fig. 14, the gap filling information may be shown for objects of a fire alarm, a downlight, and an outlet, which are indicated by object unique IDs of MNOP, QRST, and UVWX. The ventilation parts of the objects of the fire alarm, downlight, and outlet do not generate a force to forcibly draw air in and out, such as a fan, so the wind direction information of the gap filling information shown in Fig. 14 is blank.

[0104] Although the gap filling information is stored in advance in the gap filling data of the analysis design DB 17 for each product, the reason that the gap filling information is not stored in the architectural design DB 16 is as follows. The gap filling information is information that is not used when generating a building model at the design stage. For this reason, if the gap filling information were stored in the architectural design DB 16, the architectural data would become large, and the time required to read the architectural design DB 16 and obtain the desired BIM data would increase, resulting in a decrease in work efficiency at the design stage.

[0105] Returning to FIG. 6, the operation example will be continued below.

[0106] Next, the information processing device 1 creates a mesh of the space in the model of the target building for performing a simulation of the building such as air quality (S13). The information processing device 1 creates the mesh of the space by dividing continuous elements in the space of the target building model into finite elements that are relatively small and have simple shapes.

[0107] Next, the information processing device 1 performs a simulation such as an analysis using the information acquired in steps S10 to S12 to calculate and output air quality information indicating the air quality in the space (S14).

[0108] Fig. 15 is a diagram showing an example of a simulation result of the age of air distribution according to the operation example of this embodiment. Fig. 16 is a diagram showing an example of a simulation result of the temperature distribution according to the operation example of this embodiment.

[0109] In this operation example, the air quality in the space is the air age or temperature. The air quality information is the air age distribution of the entire space as shown in FIG. 15, or the temperature distribution relative to the heat load of the entire space as shown in FIG. 16. Here, the air age indicates the time it takes for fresh air (fresh outdoor air) entering from the air intake (outside the room) to reach a certain point in the room, and is an index of ventilation efficiency. In other words, the air age indicates the supply efficiency of fresh outdoor air to a certain point in the room, and generally the longer the air age, the lower the ventilation efficiency.

[0110] [Effects, etc.] As described above, according to this embodiment, the BIM data stored in the architectural design DB 16 can be linked to the supplementary data stored in the analysis design DB 17 using the object unique ID. Therefore, the information processing device 1 can obtain the supplementary data related to the object indicated by the object unique ID from the analysis design DB 17, and can calculate and output air quality information such as air age distribution with high accuracy. In other words, the information processing device 1 can perform highly accurate analysis of fluids in space, etc., using the BIM data at the design stage of a building.

[0111] More specifically, BIM data is data necessary for designing a building, but is not data for analyzing spatial fluids, heat, etc., and therefore BIM data lacks data for analyzing spatial fluids, heat, etc. with high accuracy. For this reason, spatial fluids, etc. cannot be analyzed with high accuracy using BIM data, and the air quality of the building's space, such as the air age distribution and temperature distribution, cannot be calculated with high accuracy. On the other hand, if data for analyzing spatial fluids, heat, etc. with high accuracy were to be included in the BIM data, the amount of BIM data used to generate a building model using BIM during the building design stage would increase, reducing work efficiency during the design stage.

[0112] In contrast, in this embodiment, an analysis design DB 17 that stores in advance supplementary data for analyzing space fluid, heat, etc., which is not included in the BIM data, is prepared separately from the architectural design DB 16 that stores architectural data including BIM data. This allows the information processing device 1 to acquire information on the first object of the building that constitutes the first space in the building model included in the BIM data from the architectural design DB 16, and acquire information on the inflow and outflow of air of the first object from the analysis design DB 17. As a result, the information processing device 1 can calculate air quality information that indicates the air quality in the first space, such as air age distribution and temperature distribution, by simulating the analysis of space fluid, etc., using the information on the inflow and outflow of air.

[0113] In this way, in this embodiment, the information processing device 1 can obtain data necessary for analyzing the fluid in the space by linking the BIM data with the supplementary data, so that the analysis of the fluid in the space can be performed with high accuracy by simulation using the BIM data at the design stage of the building. Then, the information processing device 1 can calculate and output air quality information indicating the air quality in the first space, such as air age distribution and temperature distribution.

[0114] Furthermore, by calculating and outputting the air age distribution and temperature distribution, the user of the information processing device 1 can visualize the air that has been stagnating for a long time in the room shown as the first space, as well as homogenize the temperature in the room and eliminate losses such as localized overheating or overcooling. This makes it possible to minimize the energy consumed by ventilation equipment such as air conditioners.

[0115] Here, the information regarding the inflow and outflow of air of the first object is information regarding a ventilation section of a building object that naturally causes air to flow in and out of a room. The information regarding the inflow and outflow of air of the first object is not defined in the first object in the BIM data, but is information acquired from the analysis design DB 17, and is referred to as gap filling information in this embodiment.

[0116] The first object may be, for example, a fitting object or a ventilation equipment object installed at an opening of a structure constituting the first space in a BIM building model. The fitting object is, for example, a door object, a window object, etc. The ventilation equipment object is, for example, an indoor unit object, a ventilation fan object, etc.

[0117] When the first object is a door and window object, the information regarding the inflow and outflow of air of the first object is gap filling information regarding the gap space between the opening and the door and window when the door and window shown in the door and window object is actually installed at an opening of a structure that constitutes the first space. When the first object is a ventilation equipment object, the information regarding the inflow and outflow of air of the first object is gap filling information regarding the air vents through which air flows in and out of the ventilation equipment when the ventilation equipment shown in the ventilation equipment object is actually installed at an opening of a structure that constitutes the first space. In this way, the information regarding the inflow and outflow of air of the first object is gap filling information regarding a ventilation section that is a gap space or an air vent.

[0118] By using this gap filling information, the information processing device 1 can perform analysis of the fluid and the like in the first space with high accuracy at the design stage of the building, and can therefore calculate the air quality information with high accuracy.

[0119] (Embodiment 2) In the first embodiment, it has been described that the BIM model of the building included in the BIM data is generated in advance, and the placement position and capacity of the ventilation equipment object in the building model are determined, but this is not limited to the above. In the present embodiment, it will be described how the placement position and capacity of the ventilation equipment object in the building model are optimized using air quality information calculated with high accuracy. The following mainly describes the points that are different from the first embodiment.

[0120] [Hardware configuration] Fig. 17 is a diagram showing an example of the configuration of architectural design DB 16A according to the present embodiment. Architectural design DB 16A shown in Fig. 17 has a different configuration from architectural design DB 16 shown in Fig. 2 according to the first embodiment in that same product series data is further stored in architectural data 162A.

[0121] The same product series data includes data indicating differences in capacity between ventilation equipment product series applicable to the ventilation equipment object, i.e., data indicating the capacity of each product in the same product product series.

[0122] [Example] Next, a specific example of the operation of the information processing device 1 according to the present embodiment will be described.

[0123] FIG. 18 is a flowchart showing an example of the operation of the information processing device 1 according to the present embodiment.

[0124] 18 is performed at the time of basic design, the placement information of the foundation structure objects is determined, and a building model is generated from the data of the foundation structure objects and the placement information associated with them. The products and positions of the ventilation equipment of the ventilation equipment objects such as the indoor unit object 252 and the ventilation fan object 253 are determined once for model generation, but can be changed after the model generation.

[0125] First, the information processing device 1 acquires architectural information and product series information as information on building objects from the architectural design DB 16A (S20). Specifically, the acquisition unit 112 of the information processing device 1 acquires architectural information as information on building objects constituting the first space in the building model from the BIM data included in the architectural data 162A of the architectural design DB 16A. In addition, the acquisition unit 112 of the information processing device 1 acquires product series information indicating information on each product series of ventilation equipment applied to the ventilation equipment object constituting the first space from the same product series data included in the architectural data 162A of the architectural design DB 16A. The information on each product series of ventilation equipment includes the identifier, size, and capacity of each product series.

[0126] In this operation example, the acquisition unit 112 of the information processing device 1 also acquires architectural information of building objects constituting a building model including the room elevation 200 shown in Fig. 7 generated at the time of basic design. In this operation example, the acquisition unit 112 of the information processing device 1 further acquires same product series information which is information on each of the ventilation equipment product series applied to the ventilation equipment object among the building objects.

[0127] FIG. 19 is a diagram showing an example of same product series information according to an operation example of this embodiment.

[0128] In the example shown in FIG. 19, the acquisition unit 112 of the information processing device 1 acquires same product series information of a ventilation fan applied to a ventilation fan object 253 indicated by an object unique ID of IJKH. The same product series information of a ventilation fan shown in FIG. 19 includes a group ID, a category, and an object unique ID corresponding to each of the same product series of the ventilation fans. The group ID is an identifier given to a grouped same product series. The group ID of G-IJK is set as a ventilation volume [m 3 19 includes object unique IDs IJKH that indicate a basic ventilation fan object 253 that can be identified from a building model. Also, the same product series information of ventilation fans shown in FIG. 19 includes object unique IDs IJK1, IJK2, and IJK3 that correspond to comparative ventilation fans with different ventilation volumes (capacities). The ventilation fans corresponding to the object unique IDs IJK1, IJK2, and IJK3 are linked to ventilation fans having maximum, minimum, and intermediate airflow capacities, for example, in the same product series of ventilation fans.

[0129] 19, the acquisition unit 112 of the information processing device 1 acquires the same product series information of the indoor unit applied to the indoor unit object 252 of the air conditioner indicated by the object unique ID of EFGH. Similarly, the group ID of G-EFG is the same product series information of the indoor unit applied to the indoor unit object 252 of the air conditioner indicated by the object unique ID of EFGH. 3 / h] indicates the same product series of indoor units with different airflow capacities. For example, the same product series information of indoor units shown in Fig. 19 includes an object unique ID of EFGH indicating a basic indoor unit object 252 that can be identified from a building model. The same product series information shown in Fig. 19 also includes object unique IDs of EFG1, EFG2, and EFG3 corresponding to indoor units for comparison with different ventilation volumes. The indoor units corresponding to the object unique IDs of EFG1, EFG2, and EFG3 are linked to indoor units having maximum, minimum, and intermediate airflow capacities, for example, within the same product series of indoor units.

[0130] Returning to FIG. 18, the operation example will be continued below. However, since steps S21 and S23 are similar to steps S11 and S13 described with reference to FIG. 6 in the first embodiment, the description thereof will be omitted.

[0131] In step S22, the information processing device 1 according to the present embodiment acquires gap filling information from the analysis design DB 17. Specifically, the acquisition unit 112 of the information processing device 1 acquires, from the analysis design DB 17, gap filling information of building objects related to the inflow and outflow of air that is necessary for a simulation for analyzing fluids in space and the like that is not included in the architectural design DB 16A.

[0132] FIG. 20 is a diagram showing an example of gap filling information according to an operation example of this embodiment.

[0133] The gap filling information shown in Fig. 20 includes maximum capacity, minimum capacity, and medium capacity airflows obtained using the object unique ID of the same product series information, in comparison with the gap filling information shown in Fig. 10 according to embodiment 1. The other items are as described using Fig. 10, and therefore description thereof will be omitted.

[0134] Next, in step S24, the information processing device 1 according to this embodiment performs a simulation using the information acquired in steps S20 to S22 to calculate basic air quality information indicating the air quality in the space using the basic ventilation fan object 253. The specific operation is similar to that in step S14 described using FIG. 6 in the first embodiment, and therefore a description thereof will be omitted.

[0135] Next, in step S25, the information processing device 1 according to this embodiment calculates comparative air quality information indicating the air quality in the space using the ventilation fan objects 253 to which ventilation fans with different capacities are applied, by performing a simulation such as an analysis using the acquired information. In other words, the information processing device 1 according to this embodiment calculates the air quality for each of the product series by performing a simulation in which each of the product series is applied to the ventilation equipment object.

[0136] Next, in step S26, the information processing device 1 according to the present embodiment determines whether the ventilation fan object 253 has been optimized.

[0137] Fig. 21 is a diagram showing an example of air quality information for comparison according to an operation example of this embodiment. As shown in Fig. 21, by calculating the air quality in the space using ventilation fan objects 253 to which ventilation fans with different capacities are applied, the relationship of the maximum air age in the space according to the air volume as the capacity of the ventilation fan can be shown as air quality information for comparison.

[0138] Here, the Building Management Law standard recommended by the Ministry of Health, Labor and Welfare requires a ventilation volume of 30 m per hour. 3 / h. 30m 3 / h is equivalent to 3 ventilations per hour (assuming a human volume of 10 m 3 Therefore, a ventilation fan having an air volume capacity that satisfies the converted ventilation frequency of 20 minutes or less (=60 minutes / 3 times) of air age can be applied to the ventilation fan object 253. Note that the required ventilation volume is not limited to the standard of an official institution, and may be a value set by the user, for example.

[0139] In this operation example, the calculation unit 113 of the information processing device 1 according to this embodiment searches for a ventilator having an air volume capacity that satisfies the air age of 20 minutes or less using Fig. 21, and determines the optimum ventilator to be applied to the ventilator fan object 253. When there are multiple ventilators having an air volume capacity that satisfies the air age of 20 minutes or less, the calculation unit 113 of the information processing device 1 according to this embodiment determines the ventilator with the smallest cost as the optimum ventilator to be applied to the ventilator fan object 253. In the example shown in Fig. 21, of the ventilators with different capacities indicated by A, B, and C, the ventilator with the capacity indicated by C that satisfies the air age of 20 minutes or less is determined as the optimum ventilator to be applied to the ventilator fan object 253.

[0140] In this operation example, the calculation unit 113 of the information processing device 1 according to this embodiment further judges whether or not the ventilation fan with the capacity indicated by C matches the ventilation fan applied to the ventilation fan object 253 when the basic air quality information was calculated. If they match, the calculation unit 113 of the information processing device 1 according to this embodiment determines that the ventilation equipment object, i.e., the ventilation fan object 253, is optimized (Yes in step S26), and ends the processing of step S26. On the other hand, if they do not match, the calculation unit 113 of the information processing device 1 according to this embodiment determines that the ventilation equipment object, i.e., the ventilation fan object 253, is not optimized (No in step S26), and proceeds to step S27.

[0141] Next, in step S27, the information processing device 1 according to this embodiment updates the ventilation equipment object to an optimized model. That is, the information processing device 1 according to this embodiment updates the model to a ventilation equipment object to which a product from a product series showing the best air quality among the calculated air qualities is applied.

[0142] In this operation example, if the ventilation fan applied to the ventilation fan object 253 in the current model is not the determined optimal ventilation fan, the calculation unit 113 of the information processing device 1 according to this embodiment updates it to a ventilation fan object 253 to which the optimal ventilation fan is applied.

[0143] [Effects, etc.] As described above, according to this embodiment, the information processing device 1 can calculate air quality information such as air age distribution that changes depending on each product series of the ventilation equipment applied to the ventilation equipment object by acquiring supplementary data related to the object indicated by the object unique ID from the analysis and design DB 17. Furthermore, the information processing device 1 can optimize the ventilation equipment object by applying to the ventilation equipment object a product that satisfies a predetermined air quality condition, such as showing the best air quality, among the products in the product series based on the calculated air quality information. This makes it possible to minimize the energy consumed by the ventilation equipment while satisfying the predetermined air quality condition.

[0144] In the above embodiment, the air age distribution is calculated as the air quality information, but the temperature distribution may be calculated as the air quality information. In this case, the Industrial Safety and Health Act, which requires that the room temperature should be kept between 17°C and 28°C, should be used as the standard. In other words, the ventilation equipment object can be optimized by applying to the ventilation equipment object a product from a product series whose calculated air quality temperature distribution falls within the range of 17°C to 28°C.

[0145] In the above embodiment, the same product series data is stored in the architectural design DB 16A, and the same product series data is acquired from the architectural design DB 16 based on the object (shape information) of the architectural model. However, this is not limited to the above. The same product series data may be stored in the analysis design DB 17. In this case, the information processing device 1 may acquire the same product series information together with the gap filling information from the analysis design DB 17 in step S22 based on the architectural information acquired in step S21. Then, the information processing device 1 may calculate the comparative air quality information in step S25 using the information on the ventilation equipment object acquired by acquiring the architectural information and the product series and capacity indicated in the same product series information acquired from the analysis design DB 17.

[0146] (Variation 1) Some air conditioners are equipped with motion sensors that can be controlled to prevent the air from blowing directly on people.

[0147] In such a case, human attribute information indicating that a person is likely to be present may be included in the gap filling information of an object such as a desk object or a chair object that is likely to be present. Also, the information processing device 1 may acquire product series information of the air conditioner as product series information of the ventilation equipment. Then, the information processing device 1 may calculate the temperature distribution with respect to the heat load as air quality information in both cases where the airflow direction is directed toward the object to which the human attribute information is added and where it is not directed toward the object.

[0148] More specifically, the information processing device 1 determines whether or not there is an object to which human attribute information has been assigned, from the gap filling information acquired in step S22 of Fig. 18. If there is an object to which human attribute information has been assigned, the information processing device 1 calculates, as air quality information, the temperature distribution for each air conditioning equipment product series when the air conditioning equipment object's wind direction is facing the object and when it is not facing the object. Then, the information processing device 1 optimizes the ventilation equipment object by applying to the air conditioning equipment object a product from the air conditioning equipment product series whose calculated temperature distribution as air quality is within a range of 17 degrees or more and 28 degrees or less.

[0149] In addition, when there are multiple objects to which human attribute information has been assigned, the information processing device 1 only needs to calculate the temperature distribution for all of those objects under two conditions: when the air direction of the air conditioning equipment object is facing toward people and when it is not.

[0150] [Effects, etc.] Generally, when people are present in a space, it is thought that the optimal temperature control for the space is to operate the air conditioner so that its airflow is directed directly at the people. However, directing the air conditioner's airflow directly at people will result in the temperature around the people being considered hot if the air conditioner is operating in heating mode, and cold if it is operating in cooling mode. For this reason, it is necessary to design the air conditioner so that the temperature of the space can be controlled within a certain temperature range even when the air conditioner's airflow is not directed directly at people.

[0151] Therefore, in this modified example, the ventilation equipment object is optimized by applying to the air conditioning equipment object a product whose air quality temperature distribution when the air conditioning equipment's airflow direction is not directly directed towards people is within the range of 17 degrees or more and 28 degrees or less.

[0152] This makes it possible to minimize the energy consumed by the ventilation equipment while still meeting specified air quality conditions.

[0153] (Variation 2) In the above embodiment, it has been explained that the air quality when each of the same product series of ventilation equipment with different ventilation capacities is applied as air quality information for comparison, and that the ventilation equipment product that satisfies the specified air quality conditions using the air quality information for comparison is applied to the ventilation equipment object, but this is not limited to the above.

[0154] As the air quality information for comparison, the air quality when different placement positions of the ventilation equipment object are applied may be calculated, and the placement position that satisfies a predetermined air quality condition may be applied as the optimal placement position of the ventilation equipment object. An example of this case will be described as Modification 2.

[0155] The information processing device 1 according to this modified example does not acquire product series information in step S20, and calculates, as air quality information for comparison, air quality when a different arrangement position is applied to the ventilation equipment object in step S25.

[0156] The information processing device 1 according to this modified example, for example, in step S25, divides the space in which the ventilation fan object 253 is to be placed into several spaces, and calculates the air quality indicating the air age distribution when one ventilation fan object 253 is placed in each of the divided spaces.

[0157] 22A to 22C are diagrams showing an example of the arrangement position of the ventilation fan object 253 for creating comparative air quality information according to the operation example of this modified example. FIG. 22A is a diagram showing the arrangement position of the ventilation fan object 253a arranged for creating comparative air quality information according to the operation example of this modified example. In FIG. 22A, the ventilation fan object 253a indicated by the ID of O01 is arranged in the lower right area of ​​the area obtained by dividing the plane 201a of R02, which is the plane of the space ID of R01, into four. The air supply port object 262 indicated by the ID of I01 is not limited to an air supply port and may be an air outlet of an indoor unit as long as it can supply air into the room. In FIG. 22B, the ventilation fan object 253b indicated by the ID of O02 is arranged in the upper right area of ​​the area obtained by dividing the plane 201a of R02 into four. In FIG. 22C, the ventilation fan object 253c indicated by the ID of O03 is arranged in the lower left area of ​​the area obtained by dividing the plane 201a of R02 into four.

[0158] Next, in step S25 shown in FIG. 18, the information processing device 1 according to this modified example performs a simulation to calculate comparative air quality information for the space using a ventilation fan object 253 to which a ventilation fan with a different placement position is applied, for comparison.

[0159] 18, the information processing device 1 according to this modification determines whether the ventilation fan object 253 is optimized. In this modification, the calculation unit 113 of the information processing device 1 determines the ventilation fan object 253 located at the position that results in the shortest air age in the air age distribution calculated as the air quality information for comparison as the ventilation fan object 253 located at the optimal position.

[0160] Furthermore, the calculation unit 113 of the information processing device 1 according to this modification further judges whether or not the determined optimal arrangement position matches the arrangement position of the ventilation fan object 253 when the basic air quality information was calculated. If they match, the calculation unit 113 of the information processing device 1 according to this modification determines that the ventilation equipment object, i.e., the ventilation fan object 253, is optimized (Yes in step S26), and ends the processing of step S26. On the other hand, if they do not match, the calculation unit 113 of the information processing device 1 according to this modification determines that the ventilation equipment object, i.e., the ventilation fan object 253, is not optimized (No in step S26), and proceeds to step S27. Step S27 is as described in the second embodiment, so a description thereof will be omitted.

[0161] [Effects, etc.] As described above, according to this modification, the information processing device 1 can optimize the ventilation equipment object by using air quality information such as air age distribution that can be calculated by acquiring supplementary data related to the object indicated by the object unique ID from the analysis and design DB 17. In this modification, the information processing device 1 optimizes the placement of the ventilation equipment object, for example, by placing the ventilation equipment object in a placement position that shows the best air quality among the calculated air qualities.

[0162] This makes it possible to minimize the energy consumed by the ventilation equipment while still meeting specified air quality conditions.

[0163] (Variation 3) In the second modification, it has been described that the ventilation facility object is placed in the placement position showing the best air quality among the calculated air qualities, on the assumption that the door object 251 is in the closed state as shown in Figs. 22A to 22C.

[0164] However, for example, the air flow in a room differs depending on whether the window or door is open or closed. In other words, the air quality information of the first space changes depending on whether the window object and door object constituting the space (first space) for which the air quality information is to be calculated are open or closed.

[0165] Fig. 23A is a diagram showing the air flow when the door object 251 according to this modified example is in a closed state, and Fig. 23B is a diagram showing the air flow when the door object 251 according to this modified example is in an open state.

[0166] Here, Fig. 23A corresponds to a diagram in which an air flow is added to the plane 201a of R02 shown in Fig. 22A. As shown in Fig. 23A, when the door object 251 is in a closed state, air supplied from the air supply port object 262 indicated by an ID of I01 to the space indicated by the plane 201a of R02 is exhausted from the ventilation fan object 253a indicated by an ID of O01.

[0167] On the other hand, as shown in FIG. 23B, when the door object 251 is open, air may be supplied from the open door object 251 to the space represented by the plane 201a of R02 and exhausted from the ventilation fan object 253a represented by the ID of O01.

[0168] Therefore, in step S25 shown in Figure 18, the information processing device 1 of this modified example calculates the air quality when different placement positions are applied to the ventilation equipment object for both the open and closed door objects as air quality information for comparison.

[0169] In this case, the information processing device 1 according to this modification may further acquire gap filling information including the open / closed state of the door object 251 from the analysis and design DB 17 in step S22 shown in FIG.

[0170] Fig. 24 is a diagram showing an example of gap filling information including the open / closed state of the door object 251 according to this modified example. For ease of explanation, Fig. 24 shows only the gap filling information indicating the open / closed state of the door object 251 indicated by the object unique ID ABCD.

[0171] 24, the gap filling information of the door object 251 indicated by the object unique ID ABCD is compared to the gap filling information shown in Fig. 10 in that an item indicating the open / closed state of the door object 251 is added. In the open state of the door object 251, the size of the opening where the door object 251 is placed, i.e., the size of the door object 251 itself, becomes a ventilation section that naturally causes air to flow in and out of the room through which air flows in and out. For this reason, in the gap filling information of the door object 251 in the open state, the gap information becomes the opening, and the size becomes the size of the opening.

[0172] Then, the information processing device 1 according to this modified example may calculate the air quality in both the open and closed states of the door object 251 in a ventilation fan object 253 to which ventilation fans with different placement positions are applied, as shown in, for example, Figures 22A to 22C, as air quality information for comparison.

[0173] Thereafter, the information processing device 1 according to this modification may determine whether the ventilation fan object 253 has been optimized in step S26 shown in Fig. 18. In this modification, the calculation unit 113 of the information processing device 1 may determine, as the ventilation fan object 253 in the optimal placement position, the ventilation fan object 253 in which the air age distribution in both the open state and the closed state of the door object 251 calculated as air quality information for comparison satisfies the condition of 20 minutes or less.

[0174] In this modified example, the door object 251 is used as an example of a building object whose state changes, but the present invention is not limited to this. Similarly, a window object can have a closed state where the window is closed and an open state where the window is open. For this reason, the air quality of the window object in both the open state and the closed state of the ventilation fan object 253 to which a ventilation fan with a different placement position is applied can be calculated as air quality information for comparison.

[0175] Furthermore, unlike doors, windows can be in a closed state in which the window is closed but also locked (closed and locked state), or in a closed state in which the window is closed but the lock is open (closed and unlocked state). A closed and unlocked window has a slightly larger gap space than a closed and locked window, which increases the amount of air that can flow in and out, so the lock status may be included in the gap filling information.

[0176] Fig. 25 is a diagram showing an example of gap filling information including the open / closed state of a window object according to this modified example. For simplicity of explanation, Fig. 25 shows only the gap filling information indicating the open / closed state of a window object identified by the object unique ID of YZAB.

[0177] In an open window object, the size of the opening created by opening the window becomes a ventilation part that naturally causes air to flow in and out of the room. Therefore, as shown in Fig. 25, in the gap filling information of an open window object, the gap information becomes the opening, and the size becomes the size of the opening.

[0178] On the other hand, a closed window object can be classified as either closed and unlocked or closed and locked, as described above. Therefore, as shown in Fig. 25, the gap filling information of a closed window object includes gap spaces that are expressed as having no size and gap spaces that are expressed as having a gap of 1 mm.

[0179] [Effects, etc.] As described above, according to this modification, the information processing device 1 can calculate the air quality information of the first space that changes depending on whether the state of the window object or door object is open or closed. Furthermore, by using the changing air quality information, the information processing device 1 can optimize the layout and products of building objects, including the ventilation equipment, so that the specified air quality conditions are satisfied even if the air quality changes. This makes it possible to minimize the energy consumed by the ventilation equipment while still satisfying the specified air quality conditions.

[0180] The present disclosure is not limited to the above-mentioned embodiment and modified examples. For example, the present disclosure may be realized by combining the components described in this specification in any way, or by excluding some of the components. In addition, the present disclosure also includes modified examples obtained by applying various modifications that a person skilled in the art can think of to the above-mentioned embodiment without departing from the gist of the present disclosure, that is, the meaning of the words described in the claims.

[0181] The present disclosure also includes the following cases:

[0182] (1) The level of detail (LOD: Level Of Detail or Level Of Development) of BIM objects varies and depends on the manufacturer provided or the design phase, etc.

[0183] Figures 26A to 26C are diagrams showing examples of different levels of detail of a BIM object. Figure 26A shows an example of LOD100, which indicates the lowest level of detail of a BIM object, and Figure 26B shows an example of LOD200, which indicates a level of detail higher than the level of detail of the BIM object shown in Figure 26A. Figure 26C shows an example of LOD300, which indicates a level of detail even higher than the level of detail of the BIM object shown in Figure 26B.

[0184] On the other hand, when calculating air quality information in the target space, if the level of detail of the BIM object is too high, the analysis time by simulation will be enormous, and if the level of detail of the BIM object is too low (too simple), the simulation will not be able to analyze correctly.

[0185] Therefore, BIM object data with an adjusted level of detail may be prepared in advance and stored in the analysis and design DB 17. Note that it is preferable that not only the level of detail is adjusted but also the outer shape information is replaced for all BIM object data stored in the analysis and design DB 17.

[0186] In this case, the information processing device 1 determines whether the level of detail of each object included in the BIM building model acquired from the architectural design DB 16 satisfies a predetermined condition. For objects that do not satisfy the level of detail condition, the information processing device 1 acquires adjusted object data from the analysis and design DB 17 using the object unique ID. Note that, if the result of the determination shows that the level of detail of at least one object does not satisfy the predetermined condition, the information processing device 1 may acquire adjusted object data from the analysis and design DB 17 for all objects included in the BIM model.

[0187] (2) In the present disclosure, material property filling information and gap filling information for ventilation equipment objects such as ventilation fan objects and air conditioner objects are acquired from the analysis design DB 17, but this is not limited to the above. For example, when an electric equipment object and a gas equipment object that serve as heat sources are placed in a building model, heat source information for the electric equipment object and the gas equipment object may be acquired from the gap filling data 172 stored in the analysis design DB 17. Similarly, when an object with a humidification function is placed in a building model, humidification information for the object with the humidification function may be acquired from the gap filling data 172 stored in the analysis design DB 17.

[0188] Furthermore, information on objects that are sources of diffusion of harmful substances such as tobacco, which is necessary for Well certification, may be obtained from the material property filling data 171 and gap filling data 172 stored in the analysis design DB 17. This makes it possible to calculate the temperature, humidity, radiation, and airflow, which are external factors, among the comfort evaluation (PMV: Predicted Mean Vote).

[0189] (3) The above-mentioned devices are specifically computer systems consisting of a microprocessor, ROM, RAM, a hard disk unit, a display unit, a keyboard, a mouse, etc. A computer program is stored in the RAM or hard disk unit. The microprocessor operates according to the computer program, causing each device to achieve its function. Here, a computer program is composed of a combination of multiple instruction codes that indicate commands for a computer to achieve a specified function.

[0190] (4) Some or all of the components constituting the above-mentioned device may be composed of one system LSI (Large Scale Integration). The system LSI is an ultra-multifunctional LSI manufactured by integrating multiple components on one chip, and specifically, is a computer system including a microprocessor, ROM, RAM, etc. A computer program is stored in the RAM. The system LSI achieves its functions by the microprocessor operating in accordance with the computer program.

[0191] (5) Some or all of the components constituting the above-mentioned device may be composed of an IC card or a standalone module that is detachable from each device. The IC card or the module is a computer system composed of a microprocessor, ROM, RAM, etc. The IC card or the module may include the above-mentioned ultra-multifunction LSI. The microprocessor operates according to a computer program, causing the IC card or the module to achieve its functions. The IC card or the module may be tamper-resistant.

[0192] (6) The present disclosure may also be embodied as the methods described above. It may also be embodied as a computer program for implementing these methods by a computer, or as a digital signal comprising the computer program.

[0193] (7) The present disclosure may also be the computer program or the digital signal recorded on a computer-readable recording medium, such as a flexible disk, a hard disk, a CD-ROM, an MO, a DVD, a DVD-ROM, a DVD-RAM, a BD (Blu-ray (registered trademark) Disc), a semiconductor memory, etc. Also, the present disclosure may be the digital signal recorded on such a recording medium.

[0194] Furthermore, the present disclosure may involve transmitting the computer program or the digital signal via a telecommunications line, a wireless or wired communication line, a network such as the Internet, data broadcasting, or the like.

[0195] The present disclosure may also provide a computer system having a microprocessor and a memory, the memory storing the above-mentioned computer program, and the microprocessor operating in accordance with the computer program.

[0196] In addition, the program or the digital signal may be implemented by another independent computer system by recording it on the recording medium and transferring it, or by transferring the program or the digital signal via the network, etc. [Industrial Applicability]

[0197] The present disclosure can be used in information processing devices, information processing methods, and programs, and in particular, in information processing devices, information processing methods, and programs that use BIM to calculate air quality information such as air age distribution or temperature distribution in a target space. [Explanation of symbols]

[0198] 1. Information processing device 10 Input section 11 Arithmetic circuit 12. Memory 13 Output section 14 Storage section 15 Communications Department 16, 16A Architectural design DB 17 Analysis design DB 104a Program 104b Temporary Data 112 Acquisition Department 113 Arithmetic section 114 Result output section 161 Data required for calculation 162, 162A Building Data 163 Confidential Data 171 Material property supplement data 172 Gap Fill Data 200 Room Elevation 201 Space 201a plane 251 Door Object 251a Interstitial Space 252 Indoor unit object 252a, 252b, 252c, 252d Ventilation holes 253, 253a, 253b, 253c Ventilator object 262 Air Intake Object

Claims

1. A processor; A memory, The processor uses the memory to: acquiring information about a first object of the building that constitutes a first space in the model from a first database that stores architectural data including information about objects of the building, including structures that constitute a building, ventilation equipment arranged in the building, and fixtures installed in the building, and a model of the building generated using the information about the objects of the building; acquiring information regarding the inflow and outflow of air of the first object as the compensation information in the first space from a second database that is different from the first database and stores compensation information that is information not included in the first database and is information for performing a simulation; Calculating air quality information indicating the air quality in the first space by performing a simulation using the acquired information on the inflow and outflow of air. Information processing device.

2. The information about the first object includes: information regarding a fitting object to be installed at an opening of the structure constituting the first space in the model; The information about the fixture object includes at least an identifier, a size, and a placement information of the fixture object. The information processing device according to claim 1 .

3. The information regarding the inflow and outflow of air of the first object is The fixture object includes information about a gap space between the opening and the fixture when the fixture is actually installed in the opening of the structure that constitutes the first space, The information about the gap space includes at least information about the position, size, amount of inflow and outflow, and direction of inflow and outflow of the gap space. The information processing device according to claim 2 .

4. the fixture object is a door object or a window object, The information regarding the inflow and outflow of air of the first object further includes: Including the open / closed state of the door and window object, The information processing device according to claim 3 .

5. The information about the first object includes: information regarding a ventilation equipment object to be installed at an opening of the structure constituting the first space in the model; The information about the ventilation equipment object includes at least an identifier, a size, and a location information of the ventilation equipment object. The information processing device according to any one of claims 1 to 4.

6. The information regarding the inflow and outflow of air of the first object is the ventilation equipment object includes information about an air hole through which air flows in and out of the ventilation equipment when the ventilation equipment object is actually installed in an opening of the structure that constitutes the first space, The information about the ventilation hole includes at least information about the position, size, amount of inflow and outflow, and direction of inflow and outflow of the ventilation hole. The information processing device according to claim 5 .

7. The information about the first object further includes: information regarding each of the ventilation equipment product series applied to the ventilation equipment object; The information about each of said product series includes an identifier, a size, and a capability of each of said product series; The processor further comprises: When calculating the air quality information, the simulation is performed in the case where each of the product series is applied to the ventilation equipment object, thereby calculating the air quality for each of the product series; updating the model to a ventilation equipment object to which a product from the product series that shows the best air quality among the calculated air qualities is applied; 7. The information processing device according to claim 5 or 6.

8. The processor further comprises: When calculating the air quality information, By performing the simulation when the arrangement of the ventilation equipment in the first space is changed, the air quality when the arrangement is changed is calculated, The model is updated by correcting the arrangement of the ventilation equipment so that the arrangement that shows the best air quality among the calculated air qualities is the arrangement among the different arrangements. The information processing device according to any one of claims 5 to 7.

9. The model and the information about the building objects are included in BIM (Building Information Modeling) data, The information processing device according to any one of claims 1 to 8.

10. An information processing method performed by a computer, comprising: acquiring information about a first object of the building that constitutes a first space in the model from a first database that stores architectural data including information about objects of the building, including structures that constitute a building, ventilation equipment arranged in the building, and fixtures installed in the building, and a model of the building generated using the information about the objects of the building; acquiring information regarding the inflow and outflow of air of the first object as the compensation information in the first space from a second database that is different from the first database and stores compensation information that is information not included in the first database and is information for performing a simulation; Calculating air quality information indicating the air quality in the first space by performing a simulation using the acquired information on the inflow and outflow of air. Information processing methods.

11. acquiring information about a first object of the building that constitutes a first space in the model from a first database that stores architectural data including information about objects of the building, including structures that constitute a building, ventilation equipment arranged in the building, and fixtures installed in the building, and a model of the building generated using the information about the objects of the building; acquiring information regarding the inflow and outflow of air of the first object as the compensation information in the first space from a second database that is different from the first database and stores compensation information that is information not included in the first database and is information for performing a simulation; Calculating air quality information indicating the air quality in the first space by performing a simulation using the acquired information on the inflow and outflow of air. A program that makes a computer do something.

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