Building equipment and building information model matching method

Abstract

The invention discloses a building equipment and building information model matching method, and relates to the field of intelligent management and control of building equipment. The residual efficiency coefficient and the dangerous influence coefficient corresponding to each component part of the air conditioning system, each component part of the electrical system and each component part of the water supply and drainage system in the target building are obtained, and a reliable data basis is provided for management and control maintenance of building equipment corresponding to the target building; building a building information model corresponding to the target building according to the basic information set of the building equipment corresponding to the target building and the use information and maintenance information of the building equipment corresponding to the target building, and carrying out a simulation experiment according to simulation data of the building information model corresponding to the target building obtained through analysis. A data basis is provided for control and maintenance of the building equipment corresponding to the target building, and the control and maintenance accuracy of the building equipment corresponding to the target building is directly and effectively improved.

Description

Technical Field

[0001] The present application relates to the field of intelligent management and control of building equipment, and in particular to a method for matching building equipment with a building information model. Background Art

[0002] As building equipment ages, it may need to be updated, repaired or renovated. Building information models can provide reliable data support for building equipment repair and renovation, helping maintenance personnel to develop reasonable update or renovation plans and ensure the feasibility and safety of the plans. Existing technologies still have the following shortcomings: When existing technologies are used to repair building equipment, they are usually carried out based on user feedback or monitoring prompts from the monitoring system, which reduces the user experience and the efficiency of building equipment management and maintenance, and is not conducive to ensuring the normal production and life of people inside the building. When existing technologies are used to control building equipment, they fail to play a predictive role, and there is a probability of large-scale equipment failure incidents, which indirectly prolongs the difficulty of maintenance, increases the difficulty of maintenance, and further reduces the user experience. Summary of the invention

[0003] The purpose of the present invention is to provide a method for matching building equipment with a building information model to solve the problems raised in the above background technology.

[0004] To achieve the above object, the present invention provides the following technical solution: a method for matching building equipment with a building information model, comprising: Data acquisition step: used to acquire the initial status of the building equipment corresponding to the target building, and obtain the basic information set of the building equipment corresponding to the target building; Building information model establishment step: for establishing a building information model corresponding to the target building by conducting a comprehensive analysis based on a basic information set of building equipment corresponding to the target building, usage information and maintenance information of the building equipment corresponding to the target building; Data simulation step: used to perform data simulation according to the building information model corresponding to the target building, and obtain the data simulation result corresponding to the target building.

[0005] In a preferred embodiment of this scheme, the specific execution method of the data acquisition step is as follows: Establishing a data extraction relationship between the data acquisition step and the database, extracting the construction design plan corresponding to the target building stored in the database; Extract information from the construction design plan corresponding to the target building to obtain a basic information set corresponding to the target building, wherein the basic information set includes an air conditioning system information set, an electrical system information set, and a water supply and drainage system information set; The air-conditioning system information set includes the model, specification, installation location and installation date of each component of the air-conditioning system, the electrical system information set includes the model, specification, installation location and installation date of each component of the electrical system, and the water supply and drainage system information set includes the model, specification, installation location and installation date of each component of the water supply and drainage system.

[0006] In a preferred embodiment of the present invention, the specific implementation method of the building information modeling step is as follows: Obtain maintenance information corresponding to the target building, and filter and obtain maintenance records of each component of the air-conditioning system, each component of the electrical system, and each component of the water supply and drainage system, where the maintenance records include the fault type, maintenance time point, and maintenance method corresponding to each maintenance; The average number of failures of each component in a preset unit time period is obtained by calculating the maintenance time points of each component corresponding to each maintenance; The usage information of each component is obtained through the monitoring device preset in each component, wherein the usage information includes the total usage time and the usage intensity change curve corresponding to each component, and the average usage intensity of each component in the preset unit time period is obtained by performing data calculation on the usage intensity change curve; Extract the equipment efficiency impact coefficients corresponding to each model of components stored in the database, filter according to the models of each component in the air-conditioning system, the models of each component in the electrical system, and the models of each component in the water supply and drainage system, and obtain the equipment efficiency impact coefficients corresponding to each component in the air-conditioning system , Equipment efficiency impact coefficient corresponding to each component in the electrical system Equipment efficiency impact coefficient corresponding to each component in the water supply and drainage system , , , 1, 2, and 3 represent the numbers of the air conditioning system, electrical system, and water supply and drainage system, respectively. Indicates the number of each component of the air conditioning system. Indicates the number of each component of the electrical system. Indicated as the number of each component in the water supply and drainage system; Extract the fault impact sets corresponding to each model component stored in the database, where the fault impact set includes the fault type, the maintenance method corresponding to the fault type and the equipment efficiency change factor. According to the maintenance information corresponding to the target building, the equipment efficiency change factors corresponding to each maintenance of each component of the air-conditioning system, each component of the electrical system and each component of the water supply and drainage system are obtained by screening, and the total equipment efficiency change factor of each component of the air-conditioning system is obtained by summing and calculating. , the total change factor of equipment efficiency of each component of the electrical system Total change factor of equipment efficiency corresponding to each component of the water supply and drainage system ; By calculating the formula , calculate the corresponding residual efficiency coefficient of each component in the air conditioning system ; By calculating the formula , calculate the corresponding residual efficiency coefficient of each component in the electrical system ; By calculating the formula , calculate the corresponding residual efficiency coefficient of each component in the water supply and drainage system ,in , and They are respectively represented by the average number of failures per preset time period, the total usage time, and the average usage intensity per preset time period corresponding to each component in the air-conditioning system. , and They are respectively represented by the average number of failures per preset time period, the total usage time, and the average usage intensity per preset time period corresponding to each component in the electrical system. , and They are respectively represented by the average number of failures per preset time period, the total usage time, and the average usage intensity per preset time period corresponding to each component in the water supply and drainage system. , , They are respectively represented by the preset efficiency coefficient weights corresponding to the air-conditioning system, the efficiency coefficient weights corresponding to the electrical system, and the efficiency coefficient weights corresponding to the water supply and drainage system. Expressed as a natural constant; Obtain the original building model corresponding to the target building; A building information model corresponding to the target building is established according to the corresponding installation positions of the components of the air-conditioning system, the electrical system and the water supply and drainage system in the target building and the original building model. The display information of each component of the building information model includes the number, model and residual efficiency coefficient in sequence.

[0007] In a preferred embodiment of this scheme, the specific execution method of the data simulation step is as follows: By performing a curve change periodicity analysis on the usage intensity change curve corresponding to each component, the work intensity change period corresponding to each component of the air-conditioning system, each component of the electrical system and each component of the water supply and drainage system is obtained, and the work intensity change period curve corresponding to each component of the air-conditioning system, each component of the electrical system and each component of the water supply and drainage system is obtained by cutting, and the work intensity change period curve corresponding to the work intensity change period curve is obtained by data analysis, and the work intensity change rate and work intensity peak value corresponding to the work intensity change period curve are obtained by screening. The real-time working intensity of the working intensity variation cycle curve corresponding to each component of the air-conditioning system, each component of the electrical system and each component of the water supply and drainage system is recorded as the simulation data of the building information model corresponding to the target building; By calculating the formula , calculate the hazard impact coefficient corresponding to each component in the air conditioning system ; By calculating the formula , calculate the hazard impact coefficient corresponding to each component in the electrical system ; By calculating the formula , calculate the hazard impact coefficient corresponding to each component in the water supply and drainage system ,in , , They are respectively expressed as the change rates of the working intensity corresponding to the components of the air-conditioning system, the components of the electrical system, and the components of the water supply and drainage system. , , They are respectively represented by the peak working intensity corresponding to each component of the air-conditioning system, each component of the electrical system and each component of the water supply and drainage system; The hazard impact coefficient corresponding to each component is compared and analyzed with the preset hazard impact coefficient threshold value corresponding to each component. If the hazard impact coefficient corresponding to the component is less than the preset hazard impact coefficient threshold value, it means that the component works normally in the simulation data. If the hazard impact coefficient corresponding to the component is greater than or equal to the preset hazard impact coefficient threshold value, it means that the component has a working risk in the simulation data. The components with working risks corresponding to the air-conditioning system, electrical system and water supply and drainage system are statistically obtained, and the components with working risks corresponding to the air-conditioning system, electrical system and water supply and drainage system are recorded as the data simulation results corresponding to the target building. The data simulation results are uploaded to the building management center for processing by the building management center.

[0008] Compared with the prior art, the present invention has the following beneficial effects: The present invention establishes a building information model corresponding to the target building according to the basic information set of the building equipment corresponding to the target building, the use information and maintenance information of the building equipment corresponding to the target building, and performs a simulation experiment based on the simulation data of the building information model corresponding to the target building obtained by analysis, thereby providing a data basis for the management, control and maintenance of the building equipment corresponding to the target building, and directly and effectively improving the accuracy of the management, control and maintenance of the building equipment corresponding to the target building; The present invention obtains the residual efficiency coefficient and hazard influence coefficient corresponding to each component of the air-conditioning system, each component of the electrical system and each component of the water supply and drainage system in the target building by specifically analyzing the main air-conditioning system, electrical system and water supply and drainage system of the target building, thereby providing a reliable data basis for the management, control and maintenance of the corresponding building equipment of the target building, improving the accuracy of the management, control and maintenance of the corresponding building equipment of the target building, and enhancing the user experience of the internal users of the target building. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] The present invention is further described using the accompanying drawings, but the embodiments in the accompanying drawings do not constitute any limitation to the present invention. A person skilled in the art can obtain other drawings based on the following drawings without creative work.

[0010] Figure 1 It is a schematic diagram of the connection steps of an embodiment of the present invention. DETAILED DESCRIPTION

[0011] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0012] See also Figure 1 The present invention provides a method for matching building equipment with a building information model, the method comprising a data acquisition step, a building information model establishment step and a data simulation step, The data acquisition step is connected with the building information model establishment step, and the building information model establishment step is connected with the data simulation step.

[0013] Data acquisition step: used to acquire the initial status of the building equipment corresponding to the target building, and obtain the basic information set of the building equipment corresponding to the target building; Furthermore, the specific execution method of the data acquisition step is as follows: Establishing a data extraction relationship between the data acquisition step and the database, extracting the construction design plan corresponding to the target building stored in the database; Extract information from the construction design plan corresponding to the target building to obtain a basic information set corresponding to the target building, wherein the basic information set includes an air conditioning system information set, an electrical system information set, and a water supply and drainage system information set; The air-conditioning system information set includes the model, specification, installation location and installation date of each component of the air-conditioning system, the electrical system information set includes the model, specification, installation location and installation date of each component of the electrical system, and the water supply and drainage system information set includes the model, specification, installation location and installation date of each component of the water supply and drainage system.

[0014] Building information model establishment step: for establishing a building information model corresponding to the target building by conducting a comprehensive analysis based on a basic information set of building equipment corresponding to the target building, usage information and maintenance information of the building equipment corresponding to the target building; Furthermore, the specific implementation method of the building information modeling step is as follows: Obtain maintenance information corresponding to the target building, and filter and obtain maintenance records of each component of the air-conditioning system, each component of the electrical system, and each component of the water supply and drainage system, where the maintenance records include the fault type, maintenance time point, and maintenance method corresponding to each maintenance; The average number of failures of each component in a preset unit time period is obtained by calculating the maintenance time points of each component corresponding to each maintenance; The usage information of each component is obtained through the monitoring device preset in each component, wherein the usage information includes the total usage time and the usage intensity change curve corresponding to each component, and the average usage intensity of each component in the preset unit time period is obtained by performing data calculation on the usage intensity change curve; Extract the equipment efficiency impact coefficients corresponding to each model of components stored in the database, filter according to the models of each component in the air-conditioning system, the models of each component in the electrical system, and the models of each component in the water supply and drainage system, and obtain the equipment efficiency impact coefficients corresponding to each component in the air-conditioning system , Equipment efficiency impact coefficient corresponding to each component in the electrical system Equipment efficiency impact coefficient corresponding to each component in the water supply and drainage system , , , 1, 2, and 3 represent the numbers of the air conditioning system, electrical system, and water supply and drainage system, respectively. Indicates the number of each component of the air conditioning system. Indicates the number of each component of the electrical system. Indicated as the number of each component in the water supply and drainage system; Extract the fault impact sets corresponding to each model component stored in the database, where the fault impact set includes the fault type, the maintenance method corresponding to the fault type and the equipment efficiency change factor. According to the maintenance information corresponding to the target building, the equipment efficiency change factors corresponding to each maintenance of each component of the air-conditioning system, each component of the electrical system and each component of the water supply and drainage system are obtained by screening, and the total equipment efficiency change factor of each component of the air-conditioning system is obtained by summing and calculating. , the total change factor of equipment efficiency of each component of the electrical system Total change factor of equipment efficiency corresponding to each component of the water supply and drainage system ; By calculating the formula , calculate the corresponding residual efficiency coefficient of each component in the air conditioning system ; By calculating the formula , calculate the corresponding residual efficiency coefficient of each component in the electrical system ; By calculating the formula , calculate the corresponding residual efficiency coefficient of each component in the water supply and drainage system ,in , and They are respectively represented by the average number of failures per preset time period, the total usage time, and the average usage intensity per preset time period corresponding to each component in the air-conditioning system. , and They are respectively represented by the average number of failures per preset time period, the total usage time, and the average usage intensity per preset time period corresponding to each component in the electrical system. , and They are respectively represented by the average number of failures per preset time period, the total usage time, and the average usage intensity per preset time period corresponding to each component in the water supply and drainage system. , , They are respectively represented by the preset efficiency coefficient weights corresponding to the air-conditioning system, the efficiency coefficient weights corresponding to the electrical system, and the efficiency coefficient weights corresponding to the water supply and drainage system. Expressed as a natural constant; Obtain the original building model corresponding to the target building; A building information model corresponding to the target building is established according to the corresponding installation positions of the components of the air-conditioning system, the electrical system and the water supply and drainage system in the target building and the original building model. The display information of each component of the building information model includes the number, model and residual efficiency coefficient in sequence.

[0015] Data simulation step: used to perform data simulation according to the building information model corresponding to the target building, and obtain the data simulation result corresponding to the target building.

[0016] Furthermore, the specific execution method of the data simulation step is as follows: By performing a curve change periodicity analysis on the usage intensity change curve corresponding to each component, the work intensity change period corresponding to each component of the air-conditioning system, each component of the electrical system and each component of the water supply and drainage system is obtained, and the work intensity change period curve corresponding to each component of the air-conditioning system, each component of the electrical system and each component of the water supply and drainage system is obtained by cutting, and the work intensity change period curve corresponding to the work intensity change period curve is obtained by data analysis, and the work intensity change rate and work intensity peak value corresponding to the work intensity change period curve are obtained by screening. The real-time working intensity of the working intensity variation cycle curve corresponding to each component of the air-conditioning system, each component of the electrical system and each component of the water supply and drainage system is recorded as the simulation data of the building information model corresponding to the target building; By calculating the formula , calculate the hazard impact coefficient corresponding to each component in the air conditioning system ; By calculating the formula , calculate the hazard impact coefficient corresponding to each component in the electrical system ; By calculating the formula , calculate the hazard impact coefficient corresponding to each component in the water supply and drainage system ,in , , They are respectively expressed as the change rates of the working intensity corresponding to the components of the air-conditioning system, the components of the electrical system, and the components of the water supply and drainage system. , , They are respectively represented by the peak working intensity corresponding to each component of the air-conditioning system, each component of the electrical system and each component of the water supply and drainage system; The hazard impact coefficient corresponding to each component is compared and analyzed with the preset hazard impact coefficient threshold value corresponding to each component. If the hazard impact coefficient corresponding to the component is less than the preset hazard impact coefficient threshold value, it means that the component works normally in the simulation data. If the hazard impact coefficient corresponding to the component is greater than or equal to the preset hazard impact coefficient threshold value, it means that the component has a working risk in the simulation data. The components with working risks corresponding to the air-conditioning system, electrical system and water supply and drainage system are statistically obtained, and the components with working risks corresponding to the air-conditioning system, electrical system and water supply and drainage system are recorded as the data simulation results corresponding to the target building. The data simulation results are uploaded to the building management center for processing by the building management center.

[0017] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A method for matching building equipment with a building information model, characterized in that: include: Data acquisition step: used to acquire the initial status of the building equipment corresponding to the target building, and obtain the basic information set of the building equipment corresponding to the target building; Building information model establishment step: for establishing a building information model corresponding to the target building by conducting a comprehensive analysis based on a basic information set of building equipment corresponding to the target building, usage information and maintenance information of the building equipment corresponding to the target building; Data simulation step: used to perform data simulation according to the building information model corresponding to the target building, and obtain the data simulation result corresponding to the target building.

2. A method for matching building equipment and building information model according to claim 1, characterized in that: The specific implementation method of the data acquisition step is as follows: Establishing a data extraction relationship between the data acquisition step and the database, extracting the construction design plan corresponding to the target building stored in the database; Extract information from the construction design plan corresponding to the target building to obtain a basic information set corresponding to the target building, wherein the basic information set includes an air conditioning system information set, an electrical system information set, and a water supply and drainage system information set; The air-conditioning system information set includes the model, specification, installation location and installation date of each component of the air-conditioning system, the electrical system information set includes the model, specification, installation location and installation date of each component of the electrical system, and the water supply and drainage system information set includes the model, specification, installation location and installation date of each component of the water supply and drainage system.

3. A method for matching building equipment and building information model according to claim 2, characterized in that: The specific implementation method of the building information model establishment step is as follows: Obtain maintenance information corresponding to the target building, and filter and obtain maintenance records of each component of the air-conditioning system, each component of the electrical system, and each component of the water supply and drainage system, where the maintenance records include the fault type, maintenance time point, and maintenance method corresponding to each maintenance; The average number of failures of each component in a preset unit time period is obtained by calculating the maintenance time points of each component corresponding to each maintenance; The usage information of each component is obtained through the monitoring device preset in each component, wherein the usage information includes the total usage time and the usage intensity change curve corresponding to each component, and the average usage intensity of each component in the preset unit time period is obtained by performing data calculation on the usage intensity change curve; Extract the equipment efficiency impact coefficients corresponding to each model of components stored in the database, filter according to the models of each component in the air-conditioning system, the models of each component in the electrical system, and the models of each component in the water supply and drainage system, and obtain the equipment efficiency impact coefficients corresponding to each component in the air-conditioning system , Equipment efficiency impact coefficient corresponding to each component in the electrical system Equipment efficiency impact coefficient corresponding to each component in the water supply and drainage system , , , 1, 2, and 3 represent the numbers of the air conditioning system, electrical system, and water supply and drainage system, respectively. Indicates the number of each component of the air conditioning system. Indicates the number of each component of the electrical system. Indicated as the number of each component in the water supply and drainage system; Extract the fault impact sets corresponding to each model component stored in the database, where the fault impact set includes the fault type, the maintenance method corresponding to the fault type and the equipment efficiency change factor. According to the maintenance information corresponding to the target building, the equipment efficiency change factors corresponding to each maintenance of each component of the air-conditioning system, each component of the electrical system and each component of the water supply and drainage system are obtained by screening, and the total equipment efficiency change factor of each component of the air-conditioning system is obtained by summing and calculating. , the total change factor of equipment efficiency of each component of the electrical system Total change factor of equipment efficiency corresponding to each component of the water supply and drainage system ; By calculating the formula , calculate the corresponding residual efficiency coefficient of each component in the air conditioning system ; By calculating the formula , calculate the corresponding residual efficiency coefficient of each component in the electrical system ; By calculating the formula , calculate the corresponding residual efficiency coefficient of each component in the water supply and drainage system ,in , and They are respectively represented by the average number of failures per preset time period, the total usage time, and the average usage intensity per preset time period corresponding to each component in the air-conditioning system. , and They are respectively represented by the average number of failures per preset time period, the total usage time, and the average usage intensity per preset time period corresponding to each component in the electrical system. , and They are respectively represented by the average number of failures per preset time period, the total usage time, and the average usage intensity per preset time period corresponding to each component in the water supply and drainage system. , , They are respectively represented by the preset efficiency coefficient weights corresponding to the air-conditioning system, the efficiency coefficient weights corresponding to the electrical system, and the efficiency coefficient weights corresponding to the water supply and drainage system. Expressed as a natural constant; Obtain the original building model corresponding to the target building; A building information model corresponding to the target building is established according to the corresponding installation positions of the components of the air-conditioning system, the electrical system and the water supply and drainage system in the target building and the original building model. The display information of each component of the building information model includes the number, model and residual efficiency coefficient in sequence.

4. A method for matching building equipment and building information model according to claim 3, characterized in that: The specific implementation method of the data simulation step is as follows: By performing a curve change periodicity analysis on the usage intensity change curve corresponding to each component, the work intensity change period corresponding to each component of the air-conditioning system, each component of the electrical system and each component of the water supply and drainage system is obtained, and the work intensity change period curve corresponding to each component of the air-conditioning system, each component of the electrical system and each component of the water supply and drainage system is obtained by cutting, and the work intensity change period curve corresponding to the work intensity change period curve is obtained by data analysis, and the work intensity change rate and work intensity peak value corresponding to the work intensity change period curve are obtained by screening. The real-time working intensity of the working intensity variation cycle curve corresponding to each component of the air-conditioning system, each component of the electrical system and each component of the water supply and drainage system is recorded as the simulation data of the building information model corresponding to the target building; By calculating the formula , calculate the hazard impact coefficient corresponding to each component in the air conditioning system ; By calculating the formula , calculate the hazard impact coefficient corresponding to each component in the electrical system ; By calculating the formula , calculate the hazard impact coefficient corresponding to each component in the water supply and drainage system ,in , , They are respectively expressed as the change rates of the working intensity corresponding to the components of the air-conditioning system, the components of the electrical system, and the components of the water supply and drainage system. , , They are respectively represented by the peak working intensity corresponding to each component of the air-conditioning system, each component of the electrical system and each component of the water supply and drainage system; The hazard impact coefficient corresponding to each component is compared and analyzed with the preset hazard impact coefficient threshold value corresponding to each component. If the hazard impact coefficient corresponding to the component is less than the preset hazard impact coefficient threshold value, it means that the component works normally in the simulation data. If the hazard impact coefficient corresponding to the component is greater than or equal to the preset hazard impact coefficient threshold value, it means that the component has a working risk in the simulation data. The components with working risks corresponding to the air-conditioning system, electrical system and water supply and drainage system are statistically obtained, and the components with working risks corresponding to the air-conditioning system, electrical system and water supply and drainage system are recorded as the data simulation results corresponding to the target building. The data simulation results are uploaded to the building management center for processing by the building management center.

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