A building heat exchange room design layout optimization system and method based on BIM technology

Abstract

The present application discloses a building heat exchange room design layout optimization system and method based on BIM technology, which belongs to the field of design layout optimization. The present application simulates the airflow flow process of the heat dissipation equipment at each design position data based on the BIM model, obtains the temperature change of each point inside the room during the airflow flow, and performs equipment operation safety assessment according to the attribute data of each equipment inside the room and the temperature change of each point inside the room during the airflow flow, accurately assesses the safety of each equipment in the room under the influence of the heat dissipation airflow, accurately assesses the matching of the heat dissipation equipment at each design position by comprehensively considering the safety of each equipment in the room under the influence of the heat dissipation airflow and the importance of the equipment, thereby improving the accuracy of the installation position of the heat dissipation equipment and the safety of the room.

Description

Technical Field

[0001] The present application belongs to the field of design layout optimization, and specifically is a system and method for optimizing the design layout of a building heat exchange room based on BIM technology. Background Art

[0002] The computer room is a room used to place IT infrastructure such as computer systems, network equipment, storage equipment, etc., and usually has strict environmental requirements, such as constant temperature, dust prevention, fire prevention, grounding, etc. The equipment in the computer room needs to be reasonably laid out and configured to ensure the stable operation of the equipment and the safety and reliability of the data. In the computer room, airflow simulation and equipment temperature monitoring are important management methods, which can help maintain and manage the computer room environment and ensure the normal operation of the equipment. When selecting the location of the heat dissipation equipment, it is necessary to take into account the safety of each electronic device in the computer room to optimize the layout of the installation location. At this time, a building heat exchange room design layout optimization system is needed. The existing technology cannot comprehensively evaluate and analyze the matching of the heat dissipation equipment at each design location based on the safety of each device in the computer room under the influence of the heat dissipation airflow and the importance of the equipment when selecting the location of the heat dissipation equipment, resulting in low accuracy of the installation location of the heat dissipation equipment and low safety of the computer room. Most of the existing technologies have the above problems. In order to solve the problems raised in this background technology, this application designs a building heat exchange room design layout optimization system and method based on BIM technology. Summary of the invention

[0003] The present application aims to solve at least one of the technical problems in the related art to a certain extent. The present application proposes a system and method for optimizing the design layout of a building heat exchange room based on BIM technology. The present application proposes to simulate the airflow flow process of the heat dissipation equipment at each design position data based on the BIM model, obtain the temperature change of each point inside the room during the airflow flow, and conduct equipment operation safety assessment based on the attribute data of each equipment inside the room and the temperature change of each point inside the room during the airflow flow, and accurately assess the safety of each equipment in the room under the influence of the heat dissipation airflow; at the same time, the present application accurately assesses and analyzes the matching of the heat dissipation equipment at each design position by comprehensively considering the safety of each equipment in the room under the influence of the heat dissipation airflow and the importance of the equipment, thereby improving the accuracy of the installation position of the heat dissipation equipment and the safety of the room.

[0004] To achieve the above objectives, the present application provides the following technical solutions: In the first aspect, the present application provides a method for optimizing the design layout of a building heat exchange room based on BIM technology, which comprises the following specific steps:

[0005] Step 1: Obtain the location data and attribute data of each device in the computer room to build a BIM model, and at the same time obtain the design location data and specification data of each cooling device;

[0006] Step 2: Simulate the airflow process of the heat dissipation equipment at each design position based on the BIM model to obtain the temperature changes at each point inside the computer room during the airflow process;

[0007] Step 3: Perform equipment operation safety assessment based on the attribute data of each device in the computer room and the temperature changes at each point in the computer room during airflow;

[0008] Step 4: Analyze the importance of equipment based on the attribute data of each equipment in the computer room;

[0009] Step 5: Select the installation location of the heat dissipation equipment based on the equipment operation safety assessment results and the equipment importance analysis results.

[0010] As a preferred technical solution for the design layout optimization method of a building heat exchange room based on BIM technology, the specific contents of obtaining the location data and attribute data of each device in the room to build a BIM model and obtaining the design location data and specification data of each heat dissipation device are as follows:

[0011] Step 11, obtaining the location data and attribute data of each electronic device in the computer room, wherein the attribute data includes the model data, heating power data and connection data with other devices of each electronic device, and obtaining the three-dimensional data of the computer room space and the air intake data of the air inlet, and constructing the BIM model of the computer room based on the three-dimensional data of the computer room space, the air intake data of the air inlet, the location data and attribute data of each electronic device in the computer room into the BIM model construction software;

[0012] Step 12: Obtain all locations where the heat dissipation equipment can be installed, obtain the specification data of the heat dissipation equipment, and map the heat dissipation equipment at different installation locations into the BIM model inside the computer room, and obtain the same number of BIM models reflecting the overall heat dissipation of the computer room as the installation locations of the heat dissipation equipment.

[0013] As a preferred technical solution for the design layout optimization method of a building heat exchange room based on BIM technology, the BIM model is used to simulate the airflow process of the heat dissipation equipment at various design position data, and obtain the temperature changes of various points inside the room during the airflow process, including the following specific contents:

[0014] Obtain all constructed BIM models that reflect the overall heat dissipation of the computer room, and through the airflow simulation function in the BIM model software, obtain the temperature change curve of each device in the computer room under the simulated scenario of the rated power operation of the equipment and the rated power operation of the heat dissipation equipment.

[0015] As a preferred technical solution for a building heat exchange room design layout optimization method based on BIM technology, the equipment operation safety assessment based on the attribute data of each device in the room and the temperature change of each point in the room during the airflow process includes the following specific steps:

[0016] Step 31, obtaining the safe temperature range data of each device in the computer room, and obtaining the temperature change of the monitoring position of each device at different time points during the airflow process;

[0017] Step 32: Substitute the temperature change at the monitoring location of each device at different time points into the equipment operation safety value calculation formula to calculate the equipment operation safety value, wherein the equipment operation safety value calculation formula is: , where N is the number of monitoring positions of the device, T is the simulation time length, dt is the time integral, xit is the temperature value of the ith monitoring position of the device at time t, xim is the median value of the temperature safety range of the ith monitoring position of the device, and ximz is the temperature safety range value of the ith monitoring position of the device. The temperature safety range value is the maximum value minus the minimum value of the temperature safety range. In this formula, xit-xim is the deviation between the temperature value of the ith monitoring position of the device at time t and the optimal temperature value. Dividing by ximz is to standardize the parameters and weight the temperature sensitivity. The integral is to obtain the temperature anomaly of the monitoring position within the test time period. Since the temperature safety ranges of different positions of the device are different, different monitoring points need to be set on the device.

[0018] As a preferred technical solution for a method for optimizing the design layout of a building heat exchange room based on BIM technology, the importance analysis of equipment based on the attribute data of each equipment in the room includes the following specific contents:

[0019] Step 41: Obtain the connection relationship between the device and other devices in the computer room, and import the connection relationship between the device and other devices in the computer room into the first-level importance calculation formula to calculate the first-level importance, wherein the first-level importance calculation formula is: , where Tr is the number of other devices directly affected by device abnormality, and Mr is the number of devices in the computer room. In this way, the importance of a device can be evaluated by the number of other devices directly affected by device abnormality;

[0020] Step 42: Obtain the connection relationship between the device and other devices in the computer room, and import the connection relationship between the device and other devices in the computer room into the secondary importance calculation formula to calculate the secondary importance, wherein the secondary importance calculation formula is: , where Tj is the number of devices directly affected by the jth device directly affected by the device abnormality. The number of devices indirectly affected by the device abnormality is obtained to assist in determining the importance of the device;

[0021] Step 43: Obtain the calculated primary importance and secondary importance, and import the obtained primary importance and secondary importance into the equipment importance calculation formula to calculate the equipment importance, wherein the equipment importance calculation formula is: , where a is the weight of direct impact.

[0022] As a preferred technical solution for a method for optimizing the design layout of a building heat exchange room based on BIM technology, the selection of the installation location of the heat dissipation equipment based on the equipment operation safety assessment results and the equipment importance analysis results includes the following specific contents:

[0023] Step 51: Obtain the calculated operation safety values ​​of various equipment at the corresponding installation locations and the importance of various equipment, and import them into the location selection value calculation formula to calculate the location selection value, wherein the location selection value calculation formula is: , where D is the number of devices in the computer room, Prd is the equipment operation safety value of the d-th device, and Krd is the equipment importance of the d-th device;

[0024] Step 52: Arrange the calculated position selection values ​​of the corresponding installation positions of all heat dissipation devices in descending order, obtain the installation position corresponding to the largest position selection value and set it as the selected installation position, and install the heat dissipation device at the selected installation position.

[0025] In the second aspect, the present application provides a building heat exchange room design layout optimization system based on BIM technology, which is implemented based on the above-mentioned building heat exchange room design layout optimization method based on BIM technology, and specifically includes a data acquisition module, a BIM model simulation module, an equipment operation safety assessment module, an importance analysis module, an installation location selection module and a control component; wherein, the data acquisition module is used to obtain the location data and attribute data of each device inside the room, and at the same time obtain the various design location data and specification data of the heat dissipation equipment; the BIM model simulation module constructs a BIM model based on the location data and attribute data of each device inside the room, and simulates the heat dissipation equipment at various locations based on the BIM model. The airflow flow process of the design position data is designed to obtain the temperature changes of various points inside the computer room during the airflow flow process; the equipment operation safety assessment module performs equipment operation safety assessment based on the attribute data of each device in the computer room and the temperature changes of various points inside the computer room during the airflow flow process; the importance analysis module performs equipment importance analysis based on the attribute data of each device in the computer room; the installation location selection module selects the installation location of the heat dissipation device based on the equipment operation safety assessment result and the equipment importance analysis result; the control component is used to control the operation of the data acquisition module, the BIM model simulation module, the equipment operation safety assessment module, the importance analysis module and the installation location selection module.

[0026] In a third aspect, the present application provides an electronic device, comprising: a processor and a memory, wherein the memory stores a computer program that can be called by the processor;

[0027] The processor executes the above-mentioned method for optimizing the design layout of a building heat exchange room based on BIM technology by calling the computer program stored in the memory.

[0028] In a fourth aspect, the present application provides a computer-readable storage medium storing instructions, which, when executed on a computer, enables the computer to execute a method for optimizing the design layout of a building heat exchange room based on BIM technology as described above.

[0029] Compared with the existing technology, the design layout optimization method of building heat exchange room based on BIM technology proposed in this application has the following advantages:

[0030] 1. This application simulates the airflow process of the heat dissipation equipment at each design position based on the BIM model, obtains the temperature changes at each point inside the computer room during the airflow, and conducts equipment operation safety assessment based on the attribute data of each device inside the computer room and the temperature changes at each point inside the computer room during the airflow, and accurately assesses the safety of each device in the computer room under the influence of the heat dissipation airflow. 2. This application accurately assesses and analyzes the matching of the heat dissipation equipment at each design position by comprehensively considering the safety of each device in the computer room under the influence of the heat dissipation airflow and the importance of the equipment, thereby improving the accuracy of the installation position of the heat dissipation equipment and the safety of the computer room. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings;

[0032] Figure 1 This is a schematic diagram of the overall process of a building heat exchange room design layout optimization method based on BIM technology for this application;

[0033] Figure 2 This is a flow chart of step 4 of a method for optimizing the design layout of a building heat exchange room based on BIM technology in this application;

[0034] Figure 3 This is a flow chart of the temperature change curve acquisition steps of a building heat exchange room design layout optimization method based on BIM technology in this application;

[0035] Figure 4 This is a schematic diagram of the overall framework of a building heat exchange room design layout optimization system based on BIM technology for this application. DETAILED DESCRIPTION

[0036] In order to better understand the present application, various aspects of the present application will be described in more detail with reference to the accompanying drawings. It should be understood that these detailed descriptions are only descriptions of exemplary embodiments of the present application and do not limit the scope of the present application in any way. Throughout the specification, the same reference numerals refer to the same elements. The expression "and / or" includes any and all combinations of one or more of the associated listed items.

[0037] In the accompanying drawings, the size, dimensions and shape of the elements have been slightly adjusted for ease of explanation. The accompanying drawings are only examples and are not strictly drawn to scale. As used herein, the terms "substantially", "approximately" and similar terms are used as terms to indicate approximation, not as terms to indicate degree, and are intended to illustrate the inherent deviations in measured or calculated values ​​that will be recognized by those of ordinary skill in the art. In addition, in the present application, the order in which the steps are processed does not necessarily represent the order in which these processes occur in actual operation, unless otherwise clearly defined or can be derived from the context. It should also be understood that expressions such as "including", "including", "having", "including" and / or "including" are open rather than closed expressions in this specification, which indicate the presence of the stated features, elements and / or components, but do not exclude the presence of one or more other features, elements, components and / or combinations thereof. In addition, when expressions such as "at least one of..." appear after a list of listed features, they modify the entire list of features, rather than just modifying the individual elements in the list. In addition, when describing the embodiments of the present application, "may" is used to represent "one or more embodiments of the present application". Furthermore, the term "exemplary" is intended to refer to an example or illustration. Unless otherwise specified, all words used herein (including engineering terms and scientific and technological terms) have the same meaning as those commonly understood by those of ordinary skill in the art to which this application belongs. It should also be understood that, unless otherwise clearly stated in this application, words defined in commonly used dictionaries should be interpreted as having a meaning consistent with their meaning in the context of the relevant technology, and should not be interpreted in an idealized or overly formal sense. Example 1

[0038] In order to solve the technical problems raised in the background technology, the present application provides a preferred embodiment: Figure 1-Figure 2 As shown, a design layout optimization method for a building heat exchange room based on BIM technology includes the following specific steps:

[0039] Step 1: Obtain the location data and attribute data of each device in the computer room to build a BIM model, and at the same time obtain the design location data and specification data of each cooling device;

[0040] In one specific embodiment, the location data and attribute data of each device in the computer room are obtained to build a BIM model, and the specific contents of obtaining the design location data and specification data of each heat dissipation device are as follows:

[0041] Step 11, obtaining the location data and attribute data of each electronic device in the computer room, wherein the attribute data includes the model data, heating power data and connection data with other devices of each electronic device, and obtaining the three-dimensional data of the computer room space and the air intake data of the air inlet, and constructing the BIM model of the computer room based on the three-dimensional data of the computer room space, the air intake data of the air inlet, the location data and attribute data of each electronic device in the computer room into the BIM model construction software;

[0042] Step 12: Obtain all locations where the heat dissipation equipment can be installed, obtain the specification data of the heat dissipation equipment, and map the heat dissipation equipment at different installation locations into the BIM model inside the computer room, and obtain the same number of BIM models reflecting the overall heat dissipation of the computer room as the installation locations of the heat dissipation equipment;

[0043] Obtain the location data and attribute data of each electronic device in the computer room, and at the same time obtain the three-dimensional data of the computer room space and the air intake data of the air inlet. Based on these data, import them into the BIM model building software to build the BIM model of the computer room. This can be achieved through general BIM model building software. The corresponding specific steps are as follows:

[0044] The first step is to collect the location data and attribute data of each electronic device in the room, including the device name, model, power, temperature, etc., and collect the three-dimensional data of the room space, including size, layout, height, etc. In addition, it is also necessary to obtain the air intake data of the air intake, including the size, location, wind speed, etc. of the air intake;

[0045] Step 2: Data collation: collate the collected data;

[0046] Step 3: Select BIM model building software, such as Revit, Archicad, Tekla Structures, etc.

[0047] Step 4: Import the sorted data into the BIM model building software. In the software, you can select the corresponding import option according to the type and format of the data;

[0048] Step 5. In the BIM model building software, build the BIM model of the computer room based on the imported data, and add the equipment to the model based on the equipment's location data and attribute data. Determine the height and size of the model based on the three-dimensional data of the space, and adjust the shape and position of the air inlet based on the air intake data of the air inlet;

[0049] Step 6. After completing the construction of the BIM model, you can export the model file;

[0050] Step 2: Simulate the airflow process of the heat dissipation equipment at each design position based on the BIM model to obtain the temperature changes at each point inside the computer room during the airflow process;

[0051] In one specific embodiment, simulating the airflow process of the heat dissipation equipment at each design position data based on the BIM model and obtaining the temperature change of each point inside the computer room during the airflow process includes the following specific contents:

[0052] Obtain all BIM models that reflect the overall heat dissipation of the computer room. Through the airflow simulation function in the BIM model software, obtain the temperature change curves of each device in the computer room under the simulated scenario of the rated power operation of the heat dissipation equipment, such as Figure 3 As shown, the specific steps for obtaining the temperature change curve are as follows: Set the simulation scene: set the rated power of the equipment and the rated power of the heat dissipation device according to the needs; run the airflow simulation: use the airflow simulation function in the BIM software to simulate the air flow in the computer room, and generate a simulation scene, which includes the location of the equipment and the location, size and shape of the heat dissipation area of ​​each device, as well as the operation of the heat dissipation device; obtain temperature data: in the simulation scene, the software will provide temperature data, showing the temperature changes at the monitoring location of each device at different time points, and the change data curve. The location of the equipment and the location, size and shape of the heat dissipation area of ​​each device are the equipment production information itself, which can be obtained through the equipment production information;

[0053] Step 3: Perform equipment operation safety assessment based on the attribute data of each device in the computer room and the temperature changes at each point in the computer room during airflow;

[0054] In one specific embodiment, the equipment operation safety assessment based on the attribute data of each device in the computer room and the temperature change of each point in the computer room during the airflow process includes the following specific steps:

[0055] Step 31, obtaining the safe temperature range data of each device in the computer room, and obtaining the temperature change of the monitoring position of each device at different time points during the airflow process;

[0056] Step 32: Substitute the temperature change at the monitoring location of each device at different time points into the equipment operation safety value calculation formula to calculate the equipment operation safety value, wherein the equipment operation safety value calculation formula is: , where N is the number of monitoring positions of the device, T is the simulation time length, dt is the time integral, xit is the temperature value of the ith monitoring position of the device at time t, xim is the median value of the temperature safety range of the ith monitoring position of the device, and ximz is the temperature safety range value of the ith monitoring position of the device. The temperature safety range value is the maximum value minus the minimum value of the temperature safety range. In this formula, xit-xim is the deviation between the temperature value of the ith monitoring position of the device at time t and the optimal temperature value. Dividing by ximz is to standardize the parameters and weight the temperature sensitivity. The integral is to obtain the temperature anomaly of the monitoring position within the test time period. Since the temperature safety ranges of different positions of the device are different, different monitoring points need to be set on the device.

[0057] Step 4: Analyze the importance of equipment based on the attribute data of each equipment in the computer room;

[0058] In one specific embodiment, the importance analysis of the equipment based on the attribute data of each equipment in the computer room includes the following specific contents:

[0059] Step 41: Obtain the connection relationship between the device and other devices in the computer room, and import the connection relationship between the device and other devices in the computer room into the first-level importance calculation formula to calculate the first-level importance, wherein the first-level importance calculation formula is: , where Tr is the number of other devices directly affected by device abnormality, and Mr is the number of devices in the computer room. In this way, the importance of a device can be evaluated by the number of other devices directly affected by device abnormality;

[0060] Step 42: Obtain the connection relationship between the device and other devices in the computer room, and import the connection relationship between the device and other devices in the computer room into the secondary importance calculation formula to calculate the secondary importance, wherein the secondary importance calculation formula is: , where Tj is the number of devices directly affected by the jth device directly affected by the device abnormality. The number of devices indirectly affected by the device abnormality is obtained to assist in determining the importance of the device;

[0061] Step 43: Obtain the calculated primary importance and secondary importance, and import the obtained primary importance and secondary importance into the equipment importance calculation formula to calculate the equipment importance, wherein the equipment importance calculation formula is: , where a is the weight of direct impact;

[0062] Step 5: Select the installation location of the heat dissipation equipment based on the equipment operation safety assessment results and the equipment importance analysis results;

[0063] In one specific embodiment, the selection of the installation location of the heat dissipation device based on the equipment operation safety assessment result and the equipment importance analysis result includes the following specific contents:

[0064] Step 51: Obtain the calculated operation safety values ​​of various equipment at the corresponding installation locations and the importance of various equipment, and import them into the location selection value calculation formula to calculate the location selection value, wherein the location selection value calculation formula is: , where D is the number of devices in the computer room, Prd is the equipment operation safety value of the d-th device, and Krd is the equipment importance of the d-th device;

[0065] Step 52: Arrange the calculated position selection values ​​of the corresponding installation positions of all heat dissipation devices in descending order, obtain the installation position corresponding to the largest position selection value and set it as the selected installation position, and install the heat dissipation device at the selected installation position.

[0066] At the same time, the setting parameters in this embodiment are obtained through a large number of experiments as a control group. The specific acquisition method is: obtain at least 500 groups of image data of changes in the coating and curing process, and at the same time obtain environmental change data during the curing process, and import the acquired data into the medical glue production quality assessment value calculation formula to calculate the medical glue production quality assessment value, and manually analyze whether the curing quality of these medical glues meets the requirements, import the manual judgment results and the medical glue production quality assessment values ​​into fitting software such as MATLAB for fitting, and output the value of the setting parameters that meets the maximum accuracy of the manual judgment results.

[0067] This embodiment simulates the airflow process of the heat dissipation equipment at each design position data based on the BIM model, obtains the temperature change of each point inside the computer room during the airflow flow, and performs equipment operation safety assessment based on the attribute data of each device inside the computer room and the temperature change of each point inside the computer room during the airflow flow, and accurately assesses the safety of each device in the computer room under the influence of the heat dissipation airflow. At the same time, by comprehensively considering the safety of each device in the computer room under the influence of the heat dissipation airflow and the importance of the equipment, the matching situation of the heat dissipation equipment at each design position is accurately assessed and analyzed, thereby improving the accuracy of the installation position of the heat dissipation equipment and the safety of the computer room. Example 2

[0068] like Figure 4As shown, a building heat exchange room design layout optimization system based on BIM technology is implemented based on the above-mentioned building heat exchange room design layout optimization method based on BIM technology, and specifically includes a data acquisition module, a BIM model simulation module, an equipment operation safety assessment module, an importance analysis module, an installation location selection module and a control component; wherein the data acquisition module is used to obtain the location data and attribute data of each device inside the room, and simultaneously obtain the various design location data and specification data of the heat dissipation equipment; the BIM model simulation module constructs a BIM model based on the location data and attribute data of each device inside the room, and simulates the airflow flow of the heat dissipation equipment at each design location data based on the BIM model. The dynamic process obtains the temperature changes of various points inside the computer room during the airflow process; the equipment operation safety assessment module performs equipment operation safety assessment based on the attribute data of each device in the computer room and the temperature changes of various points inside the computer room during the airflow process; the importance analysis module performs equipment importance analysis based on the attribute data of each device in the computer room; the installation location selection module selects the installation location of the heat dissipation device based on the equipment operation safety assessment result and the equipment importance analysis result; the control component is used to control the operation of the data acquisition module, the BIM model simulation module, the equipment operation safety assessment module, the importance analysis module and the installation location selection module. At the same time, the data transmission process in this embodiment is as follows Figure 4 As shown by the arrow direction in the figure, the specific steps of each module in this embodiment have been described in detail in the above method embodiment and will not be repeated here. Example 3

[0069] This embodiment provides an electronic device, including: a processor and a memory, wherein the memory stores a computer program that can be called by the processor;

[0070] The processor executes the above-mentioned method for optimizing the design layout of a building heat exchange room based on BIM technology by calling a computer program stored in the memory.

[0071] The electronic device may have relatively large differences due to different configurations or performances, and may include one or more processors and one or more memories, wherein the memory stores at least one computer program, and the computer program is loaded and executed by the processor to implement a method for optimizing the design layout of a building heat exchange room based on BIM technology provided in the above method embodiment. The electronic device may also include other components for realizing the functions of the device, for example, the electronic device may also have components such as a wired or wireless network interface and an input and output interface for data input and output. This embodiment will not be described in detail here. Example 4

[0072] This embodiment provides a computer-readable storage medium having a rewritable computer program stored thereon;

[0073] When the computer program runs on a computer device, the computer device executes the above-mentioned method for optimizing the design layout of a building heat exchange room based on BIM technology.

[0074] For example, the computer readable storage medium can be a read-only memory, a random access memory, a read-only CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.

[0075] The above embodiments can be implemented in whole or in part by software, hardware, firmware or any other combination. When implemented by software, the above embodiments can be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions or computer programs. When a computer instruction or computer program is loaded or executed on a computer, a process or function according to an embodiment of the present application is generated in whole or in part. The computer can be a general-purpose computer, a special-purpose computer, a computer network or other programmable device. Computer instructions can be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium. For example, computer instructions can be transmitted from one website site, computer, server or data center to another website site, computer, server or data center through a wired network or / and a wireless network. The computer-readable storage medium can be any available medium that a computer can access or a data storage device such as a server or data center that contains one or more available media sets. The available medium can be a magnetic medium (e.g., a floppy disk, a hard disk, a tape), an optical medium (e.g., a DVD), or a semiconductor medium. The semiconductor medium can be a solid-state hard disk.

[0076] The terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not expressly listed, or also includes elements inherent to such process, method, article, or apparatus.

[0077] The above description is only a preferred embodiment of the present application and an explanation of the technical principles used. Those skilled in the art should understand that the scope of application involved in the present application is not limited to the technical solution formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the aforementioned application concept. For example, the above features are replaced with (but not limited to) technical features with similar functions applied in the present application.

Claims

1. A method for optimizing the design layout of a building heat exchange room based on BIM technology, characterized in that: It includes the following specific steps: Step 1: Obtain the location data and attribute data of each device in the computer room to build a BIM model, and at the same time obtain the design location data and specification data of each cooling device; Step 2: Simulate the airflow process of the heat dissipation equipment at each design position based on the BIM model to obtain the temperature changes at each point inside the computer room during the airflow process; Step 3: Perform equipment operation safety assessment based on the attribute data of each device in the computer room and the temperature changes at each point in the computer room during airflow; Step 4: Analyze the importance of equipment based on the attribute data of each equipment in the computer room; Step 5: Select the installation location of the heat dissipation equipment based on the equipment operation safety assessment results and the equipment importance analysis results; The equipment operation safety assessment based on the attribute data of each device in the computer room and the temperature change of each point in the computer room during the airflow process includes the following specific steps: Obtain the safe temperature range data of each device in the room, and obtain the temperature changes of each device's monitoring location at different time points during the airflow process; Substitute the temperature changes at different time points of each device's monitoring location into the equipment operation safety value calculation formula to calculate the equipment operation safety value, where the equipment operation safety value calculation formula is: , where N is the number of monitoring positions of the device, T is the simulation time length, dt is the time integral, xit is the temperature value of the ith monitoring position of the device at time t, xim is the median value of the temperature safety range of the ith monitoring position of the device, and ximz is the temperature safety range value of the ith monitoring position of the device; The importance analysis of equipment based on the attribute data of each equipment in the computer room includes the following specific contents: Obtain the connection relationship between the device and other devices in the computer room, and import the connection relationship between the device and other devices in the computer room into the first-level importance calculation formula to calculate the first-level importance. The first-level importance calculation formula is: , where Tr is the number of other devices directly affected by device abnormality, and Mr is the number of devices in the computer room. In this way, the importance of a device can be evaluated by the number of other devices directly affected by device abnormality; Obtain the connection relationship between the device and other devices in the computer room, and import the connection relationship between the device and other devices in the computer room into the secondary importance calculation formula to calculate the secondary importance. The secondary importance calculation formula is: , where Tj is the number of devices directly affected by the jth device directly affected by the device abnormality. The number of devices indirectly affected by the device abnormality is obtained to assist in determining the importance of the device; The calculated primary importance and secondary importance are obtained, and the obtained primary importance and secondary importance are introduced into the equipment importance calculation formula to calculate the equipment importance, wherein the equipment importance calculation formula is: , where a is the weight of direct impact; The selection of the installation location of the heat dissipation device based on the equipment operation safety assessment result and the equipment importance analysis result includes the following specific contents: The calculated operation safety values ​​of various equipment at the corresponding installation locations and the importance of various equipment are imported into the location selection value calculation formula to calculate the location selection value, where the location selection value calculation formula is: , where D is the number of devices in the computer room, Prd is the equipment operation safety value of the d-th device, and Krd is the equipment importance of the d-th device; Arrange the calculated position selection values ​​of the corresponding installation positions of all heat dissipation devices in descending order, set the installation position corresponding to the largest position selection value as the selected installation position, and install the heat dissipation device at the selected installation position.

2. A method for optimizing the design layout of a building heat exchange room based on BIM technology as claimed in claim 1, characterized in that: The specific contents of obtaining the location data and attribute data of each device in the computer room to build a BIM model and obtaining the design location data and specification data of each heat dissipation device are as follows: Obtain the location data and attribute data of each electronic device in the computer room, and at the same time obtain the three-dimensional data of the computer room space and the air intake data of the air inlet. Based on the three-dimensional data of the computer room space, the air intake data of the air inlet, and the location data and attribute data of each electronic device in the computer room, import them into the BIM model building software to build a BIM model of the interior of the computer room; Obtain all locations where the heat dissipation equipment is installed, obtain the specification data of the heat dissipation equipment, and map the heat dissipation equipment at different installation locations into the BIM model inside the computer room, and obtain the same number of BIM models reflecting the overall heat dissipation of the computer room as the installation locations of the heat dissipation equipment.

3. The method for optimizing the design layout of a building heat exchange room based on BIM technology according to claim 1, characterized in that: The method of simulating the airflow process of the heat dissipation equipment at each design position data based on the BIM model and obtaining the temperature change of each point inside the computer room during the airflow process includes the following specific contents: Obtain all constructed BIM models that reflect the overall heat dissipation of the computer room, and through the airflow simulation function in the BIM model software, obtain the temperature change curve of each device in the computer room under the simulated scenario of the rated power operation of the equipment and the rated power operation of the heat dissipation equipment.

4. A method for optimizing the design layout of a building heat exchange room based on BIM technology as claimed in claim 3, characterized in that: The steps for obtaining the temperature change curve are as follows: setting a simulation scene: setting the rated power of the equipment and the rated power of the heat dissipation device according to the requirements; running an airflow simulation: using the airflow simulation function in the BIM software to simulate the air flow in the computer room, a simulation scene will be generated, which includes the location of the equipment and the location, size and shape of the heat dissipation area of ​​each device, as well as the operation status of the heat dissipation device; obtaining temperature data: in the simulation scene, the software will provide temperature data to show the temperature changes at the monitoring location of each device at different time points.

5. A building heat exchange room design layout optimization system based on BIM technology, which is implemented based on the building heat exchange room design layout optimization method based on BIM technology as claimed in any one of claims 1 to 4, characterized in that: It specifically includes a data acquisition module, a BIM model simulation module, an equipment operation safety assessment module, an importance analysis module, an installation location selection module and a control component; wherein the data acquisition module is used to obtain the location data and attribute data of each device in the computer room, and simultaneously obtain the various design location data and specification data of the heat dissipation device; the BIM model simulation module constructs a BIM model based on the location data and attribute data of each device in the computer room, simulates the airflow flow process of the heat dissipation device at each design location data based on the BIM model, and obtains the temperature change of each point in the computer room during the airflow flow; the equipment operation safety assessment module performs equipment operation safety assessment based on the attribute data of each device in the computer room and the temperature change of each point in the computer room during the airflow flow; the importance analysis module performs equipment importance analysis based on the attribute data of each device in the computer room; the installation location selection module selects the installation location of the heat dissipation device based on the equipment operation safety assessment result and the equipment importance analysis result; the control component is used to control the operation of the data acquisition module, the BIM model simulation module, the equipment operation safety assessment module, the importance analysis module and the installation location selection module.

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