CN115935494A - Uniform air supply design method and system based on BIM parameterization drive - Google Patents
Uniform air supply design method and system based on BIM parameterization drive Download PDFInfo
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Abstract
The invention discloses a BIM parameterization drive-based uniform air supply design method and system, belongs to the technical field of BIM, and relates a process specialty, a building specialty and a ventilation air conditioner specialty in uniform air supply design through BIM parameterization drive application, so that construction and process specialties are provided. The installation position of the uniform air supply system is automatically obtained through parameterization, and the purpose of quickly and reasonably determining the design scheme in the project design process is achieved. By utilizing the virtual reality technology, the simulation operation process of the uniform air supply system can be displayed for a user. The invention can enable an engineer to more conveniently and intuitively design the uniform air supply system of the air conditioner, and improve the design precision and the design quality. In addition, the invention realizes the virtualization and visualization of engineering assembly and improves the construction quality and efficiency by the virtual reality technology.
Description
Technical Field
The invention relates to the technical field of BIM, in particular to a uniform air supply design method and system based on BIM parameterization drive.
Background
With the rapid development of the BIM (Building Information modeling) technology, the value of the engineering project digitization application is also continuously explored. The BIM technology is a technical means for carrying out simulation and virtual construction of the whole life cycle management of an auxiliary construction project on the basis of a three-dimensional model, and is gradually an important gripper for transformation upgrading, quality improvement and efficiency improvement of the construction industry. Through BIM-based parametric drive application, the technology specialty, the building specialty and the ventilation air conditioner specialty in the uniform air supply design of the ventilation air conditioner are associated, and the air speed and the section size of the section of the air supply pipeline are efficiently and quickly obtained by combining relevant national standard specifications from the basis of construction and technology specialties. The installation position of the uniform air supply system is automatically obtained through parameterization, and the purpose of quickly and reasonably determining the design scheme in the project design process is achieved.
In the design process of the air-conditioning uniform air supply system, the process of submitting design intermediate data among different specialties is low in efficiency due to the limitation of the traditional design flow and mode, the design of the uniform air supply system cannot be considered from the perspective of the whole system, and the efficiency and the accuracy of the design of the uniform air supply system are influenced. Therefore, a method for designing an air-conditioning uniform air supply system from the perspective of the whole project is needed.
Disclosure of Invention
The invention overcomes the defects of the prior art and provides a uniform air supply design method and system based on BIM parameterized drive.
In order to achieve the purpose, the invention adopts the technical scheme that:
the invention provides a uniform air supply design method based on BIM parameterized drive, which comprises the following steps of:
obtaining professional building and process investment;
obtaining the cold load of a building air-conditioning area according to professional building investment;
calculating to obtain the total air supply quantity according to the air supply temperature difference required by the process;
setting the number of side air supply holes according to the process requirements;
assuming the average wind speed of the side hole;
calculating to obtain the static pressure speed and the static pressure of the side hole;
ensuring that the outflow angle of the airflow is more than or equal to 60 degrees, and assuming the dynamic pressure speed of the first side hole;
calculating and determining the area of the side hole;
dividing the section of the system according to the length of the air pipe of the system and the number of the side holes;
calculating the wind speed and the section size of the section of the wind pipe;
calculating the pressure loss of the pipe section;
calculating to obtain the sizes of other sections of the system;
checking the outflow angle of the side hole, and ensuring that the outflow angle of the airflow is more than or equal to 60 degrees, otherwise, re-assuming the wind speed of the side hole;
checking whether the whole scheme meets the standard requirement; if the abnormal information parameters are different from the specifications, calculating and analyzing abnormal information parameters, importing the abnormal information parameters into a BIM (building information modeling) model and generating an abnormal processing scheme;
and feeding back the exception handling scheme to the process specialty.
Further, in a preferred embodiment of the present invention, the method for designing a uniform air flow based on BIM parametric driving further includes the following steps:
parameterizing the design of the heating ventilation uniform air supply system to obtain a parameterization-driven heating ventilation BIM assembly model;
assembling the heating ventilation BIM model and the building model to obtain a parameterization driven overall assembly model;
carrying out virtual reality data conversion on the overall assembly model driven by parameterization to obtain a virtual reality-based VR overall assembly model;
and carrying out air conditioner air supply process simulation on the VR overall assembly model, and storing simulation operation process data in a VR system.
Further, in a preferred embodiment of the present invention, the assembling of the heating and ventilation BIM model and the building model to obtain the overall assembly model driven by parameterization specifically includes:
constructing a BIM (building information modeling) model of the side air supply hole according to the side hole parameters and the section parameters;
combining the side air supply hole BIM model with the air supply model of the air conditioner to obtain a heating ventilation BIM model;
acquiring BIM model data of buildings, structures, water supply and drainage, electricity and heating and ventilation, and performing overall assembly data combination on the BIM model data of different professional models to obtain an overall assembly model;
analyzing and obtaining an improved scheme of a building, structure, electricity and water supply and drainage model from BIM model data of a process specialty and a heating and ventilation specialty;
feeding back the improvement schemes of the building, structure, electric and water supply and drainage models to corresponding specialties;
and obtaining the models after professional improvements of building, structure, electricity and water supply and drainage, and performing overall model assembly circulation again until all the professionals meet the requirements.
Further, in a preferred embodiment of the present invention, the parameterization of the design of the heating, ventilating and uniform air supply system specifically includes:
parameterizing the relation between the number of the side air supply holes and the total air supply quantity;
parameterizing the relationship between the static pressure speed and the static pressure of the side hole and the average wind speed of the side hole;
parameterizing the relationship between the dynamic pressure speed of the side holes and the static pressure speed and static pressure of the side holes;
parameterizing the relationship between the area of the side hole and the static pressure speed and the static pressure of the side hole;
parameterizing the relationship between the wind speed and the section size of the section of the wind pipe and the number of the side air feeding holes;
parameterizing the relationship between the wind speed and the section size of the air pipe section and the dynamic pressure speed and the area of the side hole;
parameterizing the relation between the pressure loss of the pipe section and the wind speed and the section size of the air pipe section;
and (4) parameterizing the relation between the outflow angle of the side hole and the average wind speed of the side hole.
Further, in a preferred embodiment of the present invention, the assembling the heating and ventilation BIM model and the building model to obtain the overall assembly model driven by parameterization specifically includes:
splitting the heating ventilation BIM model to obtain an air conditioner air supply model and an assembly component of a side air supply hole;
carrying out parametric association on an air supply model of the air conditioner and a side air supply hole assembly component;
carrying out parametric assembly on an air conditioner air supply model and a side air supply hole assembly component to obtain a parametrically driven heating ventilation BIM assembly model;
and assembling the heating ventilation BIM model and the building model to obtain a parameterization driven overall assembly model.
Further, in a preferred embodiment of the present invention, the virtual reality data transformation is performed on the overall assembly model driven by parameterization to obtain a VR overall assembly model based on virtual reality, specifically:
performing virtual reality data transformation on the fabricated component data of each professional model to obtain VR model data of each professional model;
and combining virtual reality data of the VR model data of the professional model according to a preset sequence to obtain VR overall assembly model data.
Further, in a preferred embodiment of the present invention, the VR total assembly model is subjected to an air conditioner uniform air supply process simulation, and simulation operation process data is stored in the VR system, specifically:
importing VR overall assembly model data and real model parameters of each component into a VR system to carry out uniform air supply process simulation, and obtaining multiple times of simulation data in the simulation process;
calculating and analyzing abnormal data which do not accord with preset physical rules according to the simulation data, and obtaining a VR system correction parameter according to the abnormal data;
and importing the corrected parameters of the VR system into the VR system for parameter correction, and repeatedly carrying out uniform air supply process simulation to obtain correct simulation data.
Further, in a preferred embodiment of the present invention, the performing a uniform blowing process simulation on the VR total assembly model, and storing simulated operation process data in the VR system further includes:
carrying out model basic motion splitting on correct simulation data to obtain a plurality of basic model motion processes;
the complexity of the motion process of the basic model is obtained, and the motion process of the basic model is partially fused according to the complexity to obtain a plurality of simulation operation steps;
and combining the simulation operation steps according to the original sequence to obtain simulation operation process data.
Further, in a preferred embodiment of the present invention, the acquiring building, structure, water supply and drainage, electrical and heating and ventilation BIM model data further comprises:
carrying out data splitting on the BIM model data of the heating ventilation specialty to obtain an air conditioner air supply model and the BIM model data of a side air supply hole;
carrying out comprehensive progress analysis according to the data quantity and complexity of the component model data to obtain engineering prediction progress data of the model;
and carrying out virtual reality data conversion on the model data and the engineering prediction progress data of the model to obtain design model simulation data based on virtual reality.
Further, in a preferred embodiment of the present invention, the total assembly data combination is performed on BIM model data of different professional models to obtain a total assembly model, which specifically includes:
acquiring BIM model data of building, structure and electromechanical professional models, and performing overall assembly data combination on the BIM model data of all professional models to obtain a plurality of preset overall assembly models;
analyzing the structural conflict conditions among all professional models in the preset overall assembly model to obtain a structural conflict index corresponding to the preset overall assembly model;
acquiring engineering prediction progress data of the integral model from BIM model data of all professional models, and obtaining a process time conflict index of a preset overall assembly model according to the engineering prediction progress data;
and sequencing according to the structure conflict index and the process time conflict index to obtain sequenced preset overall assembly model data, and selecting a first preset overall assembly model as an overall assembly model.
The invention provides a BIM parameterization drive-based uniform air supply design system, which comprises a memory and a processor, wherein the memory contains a program of the BIM parameterization drive-based uniform air supply design method, and the program of the BIM parameterization drive-based uniform air supply design method is executed by the processor, so that the following steps are realized:
parameterizing the design of the heating ventilation uniform air supply system to obtain a parameterization-driven heating ventilation BIM assembly model;
assembling the heating ventilation BIM model and the building model to obtain a parameterization driven overall assembly model;
carrying out virtual reality data conversion on the overall assembly model driven by parameterization to obtain a virtual reality-based VR overall assembly model;
and carrying out air conditioner air supply process simulation on the VR overall assembly model, and storing simulation operation process data in a VR system.
The invention solves the defects in the background art, and has the following beneficial effects:
the invention discloses a BIM parameterization drive-based uniform air supply design method and system. Through BIM-based parametric drive application, the technology specialty, the building specialty and the heating ventilation specialty in the uniform air supply design are associated, and the air speed and the section size of the section of the air supply pipeline are efficiently and quickly obtained by combining relevant national standard specifications from the basis of construction and technology specialties. The installation position of the uniform air supply system is automatically obtained through parameterization, and the purpose of quickly and reasonably determining the design scheme in the project design process is achieved. The method comprises the steps of obtaining BIM model data of each professional model to obtain a virtual reality-based VR overall assembly model, displaying an even air supply construction simulation process and a system operation simulation process to a user by using a virtual reality technology, and being more convenient and visual compared with the traditional technology. Through the virtual reality technology, the visualization of the progress simulation process of the engineering structure is realized, the fine simulation degree between the structural models is improved, and the information exchange between the engineering design side and the construction side is more efficient and compact, so that the engineering errors are reduced, and the construction quality and efficiency are improved. In addition, the invention also provides an investment budget estimate module based on BIM parameterization drive, which is used for rapidly obtaining the investment budget of the uniform air supply system based on professional components driven by BIM parameterization.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that drawings of other embodiments can be obtained according to the drawings without creative efforts.
FIG. 1 shows an overall method flowchart of a BIM parameterization drive-based uniform air supply design method;
FIG. 2 illustrates a first method flow diagram of a BIM parameterization-driven uniform air supply design method;
FIG. 3 shows a second method flowchart of a BIM parameterization drive-based uniform air supply design method;
fig. 4 shows a system block diagram of a BIM parametric drive based uniform air supply design system.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention, taken in conjunction with the accompanying drawings and detailed description, is set forth below. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
As shown in fig. 1, a first aspect of the present invention provides a method for designing a uniform air supply based on BIM parametric driving, including the following steps:
s102, obtaining professional construction and process investment;
s104, obtaining the cold load of the air-conditioning area of the building according to the professional construction investment;
s106, calculating to obtain the total air supply quantity according to the air supply temperature difference required by the process;
s108, setting the number of side air supply holes according to the process requirements;
s110, assuming the average wind speed of the side hole;
s112, calculating to obtain the static pressure speed and the static pressure of the side hole;
s114, ensuring that the outflow angle of the airflow is more than or equal to 60 degrees, and assuming the dynamic pressure speed of the first side hole;
calculating and determining the area of the side hole;
dividing the section of the system according to the length of the air pipe of the system and the number of the side holes;
s116, calculating the wind speed and the section size of the section of the air pipe;
s118, calculating the pressure loss of the pipe section;
s120, calculating to obtain the rest section sizes of the system;
s122, checking the outflow angle of the side hole, ensuring that the outflow angle of the airflow is more than or equal to 60 degrees, and if not, re-assuming the wind speed of the side hole;
s124, checking the whole scheme to determine whether the whole scheme meets the specification requirement; if the abnormal information parameters are different from the specifications, calculating and analyzing abnormal information parameters, importing the abnormal information parameters into a BIM (building information modeling) model and generating an abnormal processing scheme;
and S126, feeding back the exception handling scheme to the process professional.
It should be noted that building expertise includes building height, building width, and process work area distribution. The technical professional supplies comprise the temperature requirement of an air-conditioning area and the wind speed requirement of the air-conditioning area. The abnormal information parameters can be parameters such as the outflow angle of the airflow, the side hole wind speed, the side hole static pressure speed and static pressure, the side hole average wind speed and the like.
As shown in fig. 2, in a preferred embodiment of the present invention, the method for designing a uniform air flow based on BIM parametric driving further includes the following steps:
s202, parameterizing the design of the heating and ventilation uniform air supply system to obtain a parameterization-driven heating and ventilation BIM assembly model;
s204, assembling the heating ventilation BIM model and the building model to obtain a parameterization driven overall assembly model;
s206, carrying out virtual reality data conversion on the overall assembly model driven by parameterization to obtain a virtual reality-based VR overall assembly model;
and S208, carrying out air conditioner air supply process simulation on the VR overall assembly model, and storing simulation operation process data in a VR system.
It should be noted that, a side air supply hole BIM model is constructed according to the side hole parameters and the section parameters, specifically: and starting from the building and technological requirements of the heating and ventilation profession, obtaining the parameters of the side air supply holes, obtaining the total number of the side air supply holes of the system according to the parameters of the side air supply holes, and generating a BIM (building information modeling) model of the side air supply holes according to the total number of the side air supply holes of the system.
As shown in fig. 3, in a further preferred embodiment of the present invention, the assembling of the heating, ventilating BIM model and the building model to obtain the overall parameterized and driven assembly model specifically includes:
s302, constructing a BIM (building information modeling) model of the side air supply hole according to the side hole parameters and the section parameters;
s304, combining the side air supply hole BIM model with the air supply model of the air conditioner to obtain a heating ventilation BIM model;
s306, acquiring BIM model data of buildings, structures, water supply and drainage, electricity and heating ventilation, and performing overall assembly data combination on the BIM model data of different professional models to obtain an overall assembly model;
s308, analyzing and obtaining the improvement schemes of the building, structure, electricity and water supply and drainage models from BIM model data of the process specialty and the warming and ventilation specialty;
s310, feeding back the improvement schemes of the building, structure, electricity and water supply and drainage models to corresponding specialties;
and S312, obtaining the models after professional improvements of building, structure, electricity and water supply and drainage, and performing overall model assembly circulation again until all the professions meet the requirements.
It should be noted that, in the overall assembly data combination of BIM model data of different professional models, it is a cycle. In the design stage of the system scheme, each professional can carry out collaborative design on the scheme, each professional can form different schemes, and the design scheme corresponds to the BIM model. In the past circulation, a plurality of preset overall assembly models can be obtained, and according to the plurality of preset overall assembly models, a better overall assembly data combination can be obtained through analysis.
It is worth mentioning that in the case of analyzing the structural conflict between different professional models in the preset overall assembly model, the different professional models often have the situation of overlapping physical positions or unreasonable structure when model combination is performed, and the structural conflict index reflecting the severity of the situation can be obtained by comprehensively analyzing the situation.
Further, in a preferred embodiment of the present invention, the parameterization of the design of the heating, ventilating and uniform air supply system specifically includes:
parameterizing the relation between the number of the side air supply holes and the total air supply quantity;
parameterizing the relation between the static pressure speed and the static pressure of the side hole and the average wind speed of the side hole;
parameterizing the relationship between the dynamic pressure speed of the side hole and the static pressure speed and the static pressure of the side hole;
parameterizing the relationship between the area of the side hole and the static pressure speed and the static pressure of the side hole;
parameterizing the relationship between the wind speed and the section size of the air pipe section and the number of side air supply holes;
parameterizing the relationship between the wind speed and the section size of the section of the wind pipe and the dynamic pressure speed and the area of the side hole;
parameterizing the relation between the pressure loss of the pipe section and the wind speed and the section size of the air pipe section;
and (4) parameterizing the relation between the outflow angle of the side hole and the average wind speed of the side hole.
Further, in a preferred embodiment of the present invention, the assembling the heating and ventilation BIM model and the building model to obtain the overall assembly model driven by parameterization specifically includes:
splitting the heating ventilation BIM model to obtain an air conditioner air supply model and an assembly component of a side air supply hole;
carrying out parametric association on an air supply model of the air conditioner and a side air supply hole assembly component;
carrying out parametric assembly on an air conditioner air supply model and a side air supply hole assembly component to obtain a parametrically driven heating ventilation BIM assembly model;
and assembling the heating ventilation BIM model and the building model to obtain a parameterization driven overall assembly model.
Further, in a preferred embodiment of the present invention, the virtual reality data transformation is performed on the overall assembly model driven by parameterization to obtain a VR overall assembly model based on virtual reality, specifically:
performing virtual reality data transformation on the fabricated component data of each professional model to obtain VR model data of each professional model;
and combining virtual reality data of the VR model data of the professional model according to a preset sequence to obtain VR overall assembly model data.
Further, in a preferred embodiment of the present invention, the VR total assembly model is subjected to an air conditioner uniform air supply process simulation, and simulation operation process data is stored in the VR system, specifically:
importing the VR overall assembly model data and the real model parameters of each component into a VR system to carry out uniform air supply process simulation, and obtaining multiple times of simulation data in the simulation process;
calculating and analyzing abnormal data which do not accord with preset physical rules according to the simulation data, and obtaining a VR system correction parameter according to the abnormal data;
and importing the VR system correction parameters into the VR system for parameter correction, and repeatedly carrying out uniform air supply process simulation to obtain correct simulation data.
Further, in a preferred embodiment of the present invention, the step of performing a uniform air flow process simulation on the VR total assembly model and storing simulation operation process data in the VR system further includes:
carrying out model basic motion splitting on correct simulation data to obtain a plurality of basic model motion processes;
the method comprises the steps of obtaining the complexity of the motion process of a basic model, and performing partial fusion on the motion process of the basic model according to the complexity to obtain a plurality of simulation operation steps;
and combining the simulation operation steps according to the original sequence to obtain simulation operation process data.
Further, in a preferred embodiment of the present invention, the acquiring building, structure, water supply and drainage, electrical and heating and ventilation BIM model data further comprises:
carrying out data splitting on the BIM model data of the heating ventilation specialty to obtain an air conditioner air supply model and the BIM model data of a side air supply hole;
carrying out comprehensive progress analysis according to the data quantity and the complexity of the component model data to obtain engineering prediction progress data of the model;
and carrying out virtual reality data conversion on the model data and the engineering prediction progress data of the model to obtain design model simulation data based on virtual reality.
Further, in a preferred embodiment of the present invention, the overall assembly data combination is performed on the BIM model data of different professional models to obtain an overall assembly model, which specifically includes:
acquiring BIM model data of building, structure and electromechanical professional models, and performing overall assembly data combination on the BIM model data of all professional models to obtain a plurality of preset overall assembly models;
analyzing the structural conflict conditions among all professional models in the preset overall assembly model to obtain a structural conflict index corresponding to the preset overall assembly model;
acquiring engineering prediction progress data of the integral model from BIM model data of all professional models, and obtaining a process time conflict index of a preset overall assembly model according to the engineering prediction progress data;
and sequencing according to the structure conflict index and the process time conflict index to obtain sequenced data of the preset overall assembly models, and selecting the first preset overall assembly model as the overall assembly model.
It should be noted that, in the simulation process, the whole uniform air supply process is continuous, and the simulation data is subjected to splitting, fusion, step recombination and the like, so that the simulation operation process data of a plurality of steps can be obtained, and by analyzing the simulation operation data of different steps, the detailed analysis process is facilitated, and the uniform air supply simulation process can be known more intuitively and in detail.
The second aspect of the present invention provides a BIM parameterization drive-based uniform air supply design system, which comprises a memory 41 and a processor 62, wherein the memory 41 contains a program of a BIM parameterization drive-based uniform air supply design method, and when the program of the BIM parameterization drive-based uniform air supply design method is executed by the processor 62, the following steps are implemented:
parameterizing the design of the heating ventilation uniform air supply system to obtain a parameterization-driven heating ventilation BIM assembly model;
assembling the heating ventilation BIM model and the building model to obtain a parameterization driven overall assembly model;
carrying out virtual reality data conversion on the overall assembly model driven by parameterization to obtain a virtual reality-based VR overall assembly model;
and carrying out air conditioner air supply process simulation on the VR overall assembly model, and storing simulation operation process data in a VR system.
Wherein, even air supply design system based on BIM parameterization drive can also include: an investment budget estimate module based on BIM parameterization drive;
the module comprises:
the module I is an assembly type component and equipment driven by data of each specialty in the uniform air supply system;
a second module, each professional virtual actualized component and equipment;
a third module, based on VR fabricated model data of each professional virtual reality component device;
a module IV for realizing VR assembling type process of the component equipment based on each professional virtual reality;
and a fifth module, based on the data-driven project amount list and the project expense list.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above-described device embodiments are merely illustrative, for example, the division of the unit is only one logical function division, and there may be other division ways in actual implementation, such as: multiple units or components may be combined, or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the coupling, direct coupling or communication connection between the components shown or discussed may be through some interfaces, and the indirect coupling or communication connection between the devices or units may be electrical, mechanical or other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units; can be located in one place or distributed on a plurality of network units; some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, all the functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may be separately regarded as one unit, or two or more units may be integrated into one unit; the integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
Those of ordinary skill in the art will understand that: all or part of the steps for realizing the method embodiments can be completed by hardware related to program instructions, the program can be stored in a computer readable storage medium, and the program executes the steps comprising the method embodiments when executed; and the aforementioned storage medium includes: a mobile storage device, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
Alternatively, the integrated unit of the present invention may be stored in a computer-readable storage medium if it is implemented in the form of a software functional module and sold or used as a separate product. Based on such understanding, the technical solutions of the embodiments of the present invention may be essentially implemented or a part contributing to the prior art may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the methods of the embodiments of the present invention. And the aforementioned storage medium includes: a removable storage device, a ROM, a RAM, a magnetic or optical disk, or various other media that can store program code.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A BIM parameterization drive-based uniform air supply design method is characterized by comprising the following steps:
obtaining construction and process professional investment;
obtaining the cold load of the air-conditioning area of the building according to the professional construction investment;
calculating to obtain the total air supply quantity according to the air supply temperature difference required by the process;
setting the number of side air supply holes according to the process requirement;
assuming the average wind speed of the side hole;
calculating to obtain the static pressure speed and the static pressure of the side hole;
ensuring that the outflow angle of the airflow is more than or equal to 60 degrees, and assuming the dynamic pressure speed of the first side hole;
calculating and determining the area of the side hole;
dividing the section of the system according to the length of the air pipe of the system and the number of the side holes;
calculating the wind speed and the section size of the section of the wind pipe;
calculating the pressure loss of the pipe section;
calculating to obtain the sizes of other sections of the system;
checking the outflow angle of the side hole, and ensuring that the outflow angle of the airflow is more than or equal to 60 degrees, otherwise, re-assuming the wind speed of the side hole;
checking whether the whole scheme meets the standard requirement; if the abnormal information parameters are different from the specifications, calculating and analyzing abnormal information parameters, importing the abnormal information parameters into a BIM (building information modeling) model and generating an abnormal processing scheme;
and feeding back the exception handling scheme to the process specialty.
2. The BIM parameterization drive-based uniform air supply design method according to claim 1, further comprising the following steps:
parameterizing the design of the heating ventilation uniform air supply system to obtain a parameterization-driven heating ventilation BIM assembly model;
assembling the heating ventilation BIM model and the building model to obtain a parameterization driven overall assembly model;
carrying out virtual reality data conversion on the overall assembly model driven by parameterization to obtain a virtual reality-based VR overall assembly model;
and carrying out air conditioner air supply process simulation on the VR overall assembly model, and storing simulation operation process data in a VR system.
3. The BIM parameterized-drive-based uniform air supply design method according to claim 2, wherein the heating and ventilation BIM model is assembled with a building model to obtain a parameterized-drive overall assembly model, and specifically comprises:
constructing a BIM (building information modeling) model of the side air supply hole according to the side hole parameters and the section parameters;
combining the side air supply hole BIM model with the air supply model of the air conditioner to obtain a heating ventilation BIM model;
acquiring BIM model data of buildings, structures, water supply and drainage, electricity and heating and ventilation, and performing overall assembly data combination on the BIM model data of different professional models to obtain an overall assembly model;
analyzing and acquiring an improved scheme of a building, structure, electricity and water supply and drainage model from BIM model data of a process specialty and a heating ventilation specialty;
feeding back the improved schemes of the building, structure, electricity and water supply and drainage models to corresponding specialties;
and obtaining the models after professional improvements of building, structure, electricity and water supply and drainage, and performing overall model assembly circulation again until all the professionals meet the requirements.
4. The BIM parameterized-drive-based uniform air supply design method according to claim 2, wherein the heating and ventilation BIM model is assembled with a building model to obtain a parameterized-drive overall assembly model, and specifically comprises:
splitting the heating ventilation BIM model to obtain an air conditioner air supply model and an assembly component of a side air supply hole;
carrying out parametric association on an air supply model of the air conditioner and a side air supply hole assembly component;
carrying out parametric assembly on an air supply model of the air conditioner and a side air supply hole assembly component to obtain a heating ventilation BIM assembly model driven in a parametric manner;
and assembling the heating ventilation BIM model and the building model to obtain a parameterization driven overall assembly model.
5. The BIM parameterization-driven uniform air supply design method according to claim 2, characterized in that a parameterization-driven overall assembly model is subjected to virtual reality data conversion to obtain a virtual reality-based VR overall assembly model, and specifically comprises the following steps:
performing virtual reality data transformation on the fabricated component data of each professional model to obtain VR model data of each professional model;
and combining virtual reality data of the VR model data of the professional model according to a preset sequence to obtain VR overall assembly model data.
6. The BIM parameterization drive-based uniform air supply design method of claim 2, wherein the VR overall assembly model is subjected to air conditioner uniform air supply process simulation, and simulation operation process data is stored in a VR system, specifically:
importing VR overall assembly model data and real model parameters of each component into a VR system to carry out uniform air supply process simulation, and obtaining multiple times of simulation data in the simulation process;
calculating and analyzing abnormal data which do not accord with preset physical rules according to the simulation data, and obtaining a VR system correction parameter according to the abnormal data;
and importing the VR system correction parameters into the VR system for parameter correction, and repeatedly carrying out uniform air supply process simulation to obtain correct simulation data.
7. The BIM parameterization-driven uniform air supply design method according to claim 2, wherein the VR overall assembly model is subjected to uniform air supply process simulation, and simulation operation process data is stored in a VR system, and the method further comprises the following steps:
carrying out model basic motion splitting on correct simulation data to obtain a plurality of basic model motion processes;
the method comprises the steps of obtaining the complexity of the motion process of a basic model, and performing partial fusion on the motion process of the basic model according to the complexity to obtain a plurality of simulation operation steps;
and combining the simulation operation steps according to the original sequence to obtain simulation operation process data.
8. The BIM parameterization drive-based uniform air supply design method according to claim 3, wherein the BIM model data of building, structure, water supply and drainage, electricity and heating and ventilation is acquired, and the method further comprises the following steps:
carrying out data splitting on the BIM model data of the heating ventilation specialty to obtain an air conditioner air supply model and the BIM model data of a side air supply hole;
carrying out comprehensive progress analysis according to the data quantity and the complexity of the component model data to obtain engineering prediction progress data of the model;
and carrying out virtual reality data conversion on the model data and the engineering prediction progress data of the model to obtain design model simulation data based on virtual reality.
9. The BIM parameterization drive-based uniform air supply design method according to claim 2, wherein the BIM model data of different professional models are subjected to overall assembly data combination to obtain an overall assembly model, and the method specifically comprises the following steps:
acquiring BIM model data of building, structure and electromechanical professional models, and performing overall assembly data combination on the BIM model data of all professional models to obtain a plurality of preset overall assembly models;
analyzing the structural conflict condition among all professional models in the preset overall assembly model to obtain a structural conflict index corresponding to the preset overall assembly model;
acquiring engineering prediction progress data of the overall model from the BIM model data of all the professional models, and obtaining a progress time conflict index of a preset overall assembly model according to the engineering prediction progress data;
and sequencing according to the structure conflict index and the process time conflict index to obtain sequenced data of the preset overall assembly models, and selecting the first preset overall assembly model as the overall assembly model.
10. A BIM parametrically driven uniform air supply design system, which comprises a memory and a processor, wherein the memory contains the program of the BIM parametrically driven uniform air supply design method according to any one of claims 1 to 9, and when the program of the BIM parametrically driven uniform air supply design method is executed by the processor, the following steps are realized:
parameterizing the design of the heating ventilation uniform air supply system to obtain a parameterization-driven heating ventilation BIM assembly model;
assembling the heating ventilation BIM model and the building model to obtain a parameterization driven overall assembly model;
carrying out virtual reality data conversion on the overall assembly model driven by parameterization to obtain a virtual reality-based VR overall assembly model;
and carrying out air conditioner air supply process simulation on the VR overall assembly model, and storing simulation operation process data in a VR system.
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