Floor heating simulation design method and device, equipment and storage medium

Abstract

The application discloses a floor heating simulation design method and device, equipment and a storage medium. The method comprises the following steps: obtaining building design house type data; obtaining a house type geometric model of the building design house type decoration material arrangement according to the building design house type data; obtaining an indoor acoustic simulation space model of a set building house type according to the house type geometric model of the building design house type decoration material arrangement and setting position information of a sound source device in the house type geometric model; obtaining an indoor acoustic simulation space grid model and a field distribution of an indoor acoustic design variable according to the indoor acoustic simulation space model of the set building house type and grid division of the indoor acoustic simulation space model. The application can understand whether the current indoor design can fully meet the sound insulation demand by obtaining the required house type for design and simulation, so as to adjust the use and layout of the sound insulation material and create a comfortable acoustic environment.

Description

Technical Field

[0001] This disclosure generally relates to the field of architectural model design technology, and specifically to a method, apparatus, equipment and storage medium for underfloor heating simulation design. Background Technology

[0002] Underfloor heating, short for radiant floor heating, uses the entire floor as a radiator. A heat transfer medium within the floor's radiant layer evenly heats the entire floor, then distributes heat to the room through radiation and convection, achieving comfortable heating. It is classified into two types based on the heat transfer medium: water-based and electric. Based on the installation structure, it is mainly divided into two types: dry and wet underfloor heating.

[0003] Water-based underfloor heating refers to a heating method that heats water to a certain temperature and then delivers it to a network of water pipes under the floor to generate heat, thus achieving the purpose of heating through the floor heating.

[0004] As economic conditions continue to improve, more and more users are installing underfloor heating in their homes. However, due to differences in house layouts and flooring materials, the effects of underfloor heating vary from house to house. Furthermore, since dismantling underfloor heating after installation is difficult and involves a large amount of work, it is especially important to inform users about the effects of underfloor heating installation in advance. Summary of the Invention

[0005] In view of the above-mentioned defects or deficiencies in the existing technology, it is desirable to provide a floor heating simulation design method, device, equipment and storage medium that can meet the specific needs of current floor heating simulation design.

[0006] Based on one aspect of the embodiments of the present invention, this application provides a method for simulating and designing underfloor heating systems, the method comprising:

[0007] Based on the building data and underfloor heating pipe coil data of the underfloor heating simulation design, obtain the geometric model of the underfloor heating simulation design;

[0008] Based on the geometric model of the underfloor heating simulation design, obtain the floor decoration materials and temperature data at any location on the underfloor heating pipe coil from the building data;

[0009] Based on the floor decoration materials and temperature data at any location on the underfloor heating pipe coil in the building data, as well as natural air convection analysis, temperature distribution data of the indoor air flow field area is obtained;

[0010] Based on the temperature distribution data of the indoor airflow field area, the evaluation index of the simulation design of the underfloor heating pipe coil is obtained.

[0011] In another embodiment, obtaining the geometric model of the underfloor heating simulation design based on the building data and underfloor heating pipe coil data of the underfloor heating simulation design includes:

[0012] acquire the floor decoration material in the building data, and the thermodynamic property of the floor decoration material, and the water flow thermodynamic property of the floor heating pipe disc;

[0013] acquire the working parameter of the floor heating pipe disc, and the heat exchange and heat radiation load information of the floor decoration material and the building space environment according to the floor decoration material in the building data, the thermodynamic property of the floor decoration material, and the water flow thermodynamic property of the floor heating pipe disc, the working parameter including the water flow temperature and water flow speed of the water inlet of the floor heating pipe disc;

[0014] acquire the geometric model of the floor heating simulation design according to the working parameter of the floor heating pipe disc, and the heat exchange and heat radiation load information of the floor decoration material and the building space environment.

[0015] In another embodiment, the acquiring the temperature data of the floor decoration material in the building data and the arbitrary position of the floor heating pipe disc according to the geometric model of the floor heating simulation design includes:

[0016] acquire the internal energy change data of the arbitrary position of the floor heating pipe disc per unit time according to the law of conservation of energy and the internal energy equation;

[0017] acquire the heat conduction data of the floor decoration material in the building data according to the internal energy change data of the arbitrary position of the floor heating pipe disc per unit time and the Fourier heat conduction law;

[0018] acquire the temperature data of the floor decoration material in the building data and the arbitrary position of the floor heating pipe disc according to the heat conduction data of the floor decoration material in the building data and the space grid division of the building data.

[0019] In another embodiment, the acquiring the internal energy change data of the arbitrary position of the floor heating pipe disc per unit time according to the law of conservation of energy and the internal energy equation includes:

[0020] acquire the internal energy increase value of the arbitrary position of the floor heating pipe disc per unit time according to the law of conservation of energy:

[0021]

[0022] wherein, r is the heat generation rate of the internal heat source of the arbitrary volume of the floor heating pipe disc, is the net outflow heat flux of the unit volume element surface corresponding to r;

[0023] According to the internal energy increase value of any position on the floor heating pipe disc per unit time and the internal energy equation, the internal energy change rate of any position on the floor heating pipe disc per unit time is obtained:

[0024]

[0025] In the formula, c p is the specific heat capacity of water, is the temperature change rate, v is the water flow rate, and p is the density of water.

[0026] In another embodiment, according to the internal energy change data of any position on the floor heating pipe disc per unit time and the Fourier heat conduction law, the heat conduction data of the floor decoration material in the building data is obtained as:

[0027]

[0028] Where q is the heat flux flowing from the outer surface of the solid, including the heat exchange of the floor decoration material with the building space environment and the heat radiation load.

[0029] In another embodiment, according to the temperature data of the floor decoration material in the building data and any position on the floor heating pipe disc, and the air natural convection analysis, the temperature distribution data of the indoor air flow field area is obtained, including:

[0030] Obtaining the boundary surface position and geometry of the floor decoration material in the building data in the air natural convection of the indoor air flow field area;

[0031] According to the boundary surface position and geometry of the floor decoration material in the building data in the air natural convection of the indoor air flow field area, and the Navier-Stokes equation of air natural convection, the temperature distribution data of the indoor air flow field area is obtained.

[0032] In another embodiment, according to the boundary surface position and geometry of the floor decoration material in the building data in the air natural convection of the indoor air flow field area, and the Navier-Stokes equation of air natural convection, the temperature distribution data of the indoor air flow field area is obtained, including:

[0033] Obtaining the Navier-Stokes equation of air natural convection, the Navier-Stokes equation of air natural convection including mass conservation equation, momentum conservation equation and energy conservation equation;

[0034] The mass conservation equation is:

[0035] The momentum conservation equation is:

[0036] The momentum conservation equation is:

[0037] Where v is the velocity vector, t is time, T is temperature, p0 is the density at temperature T0, p is pressure, g is the gravitational acceleration, and μ, β, c p , k are the molecular viscosity coefficient, thermal expansion coefficient, specific heat capacity, and heat conduction tensor of air.

[0038] According to the Navier-Stokes equation of the natural convection of air, the turbulence model, and the boundary surface position and geometry of the floor decoration material in the building data in the air natural convection region of the indoor air flow field, temperature distribution data of the indoor air flow field region is obtained.

[0039] Based on another aspect of the embodiment of the present application, a floor heating simulation design device is disclosed, which comprises:

[0040] A model construction module is configured to obtain a geometric model of the floor heating simulation design according to the building data and the floor heating pipe coil data of the floor heating simulation design.

[0041] A temperature simulation module is configured to obtain temperature data of the floor decoration material in the building data and any position on the floor heating pipe coil according to the geometric model of the floor heating simulation design, and obtain temperature distribution data of the indoor air flow field region according to the temperature data of the floor decoration material in the building data and any position on the floor heating pipe coil and air natural convection analysis.

[0042] An index evaluation module is configured to obtain an evaluation index of the floor heating pipe coil simulation design according to the temperature distribution data of the indoor air flow field region.

[0043] Based on yet another aspect of the embodiment of the present application, an electronic device is disclosed, which comprises one or more processors and a memory, the memory being configured to store one or more programs; when the one or more programs are executed by the processors, the processors are caused to implement the floor heating simulation design method provided by the embodiments of the present application.

[0044] Based on yet another aspect of the embodiment of the present application, a computer readable storage medium storing a computer program is disclosed, the computer program being executed to implement the floor heating simulation design method provided by the embodiments of the present application.

[0045] In the embodiment of the present application, the geometric model of the floor heating simulation design is obtained according to the building data and the floor heating pipe disc data of the floor heating simulation design; the temperature data of the floor decoration material in the building data and any position on the floor heating pipe disc are obtained according to the geometric model of the floor heating simulation design; the temperature distribution data of the indoor air flow field area are obtained according to the temperature data of the floor decoration material in the building data and any position on the floor heating pipe disc, and the air natural convection analysis; and the evaluation index of the floor heating pipe disc simulation design is obtained according to the temperature distribution data of the indoor air flow field area. The present application can provide the user with the floor heating temperature effect analysis of the house type in advance, and can assist the merchant to arrange the pipe more reasonably before the pipe arrangement. BRIEF DESCRIPTION OF DRAWINGS

[0046] Other features, objects, and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments thereof as taken in conjunction with the accompanying drawings:

[0047] Figure 1 is an application scenario of a floor heating simulation design method provided by an embodiment of the present application;

[0048] Figure 2 is a flowchart of a floor heating simulation design method provided by an embodiment of the present application;

[0049] Figure 3 is a structural schematic diagram of a floor heating simulation design device provided by an embodiment of the present application;

[0050] Figure 4 is an internal structure diagram of an electronic device provided by an embodiment of the present application. DETAILED DESCRIPTION

[0051] The present application will be further described in detail below with reference to the accompanying drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the related application, and not to limit the application. In addition, it should be noted that, for the convenience of description, only the parts related to the application are shown in the drawings.

[0052] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings and embodiments.

[0053] The floor heating simulation design method provided by the present application can be applied to, for example, Figure 1The application environment is shown. The floor heating simulation design method is applied to a floor heating simulation design device. The floor heating simulation design device can be configured in the terminal 102 or the server 104, or partially configured in the terminal 102 and partially configured in the server 104, and the terminal 102 and the server 104 interact to complete the floor heating simulation design method.

[0054] The terminal 102 and the server 104 can communicate through a network.

[0055] The terminal 102 can be, but is not limited to, various personal computers, notebook computers, smart phones, tablet computers, and portable wearable devices, and the terminal 102 needs to have the functions of receiving, viewing, editing, and sharing a 3D model scene. The server 104 can be implemented by an independent server or a server cluster composed of multiple servers.

[0056] In one embodiment, as Figure 2 shown, a floor heating simulation design method is provided. This embodiment mainly takes the terminal 102 in the method as an example to illustrate. Figure 1

[0057] Please refer to Figure 2 , which shows an exemplary flow of the floor heating simulation design method that can apply the embodiments of the present application.

[0058] As Figure 2 shown, in step 210, a geometric model of the floor heating simulation design is obtained according to building data and floor heating pipe disc data of the floor heating simulation design.

[0059] Specifically, the building data of the floor heating simulation design is data describing the structure and shape of the indoor space, including but not limited to the positions, sizes, shapes, and mutual relationships of house components such as floors, rooms, walls, columns, beams, floors, ceilings, doors, and windows.

[0060] The building design house data can be a case that a user obtains from some database and has been designed, can be a design that the user is implementing, or can be house data that the user searches from a cloud house database. If the house data cannot be obtained, the user is prompted to create a house in other ways, such as importing a CAD file, a picture file, free drawing, etc., to identify and extract the house data from them, and in the case that the user allows, the house data is supplemented back to the cloud house database.

[0061] Specifically, in one embodiment of the present application, the geometric model of the floor heating simulation design is obtained according to the building data and the floor heating pipe disc data of the floor heating simulation design, including:

[0062] ​Obtaining floor decoration materials in the building data, and thermodynamic properties of the floor decoration materials, and water flow thermodynamic properties of the floor heating pipe disc; in particular, the thermodynamic properties include density, specific heat capacity, thermal conductivity, etc.

[0063] According to the floor decoration materials in the building data, and the thermodynamic properties of the floor decoration materials, and the water flow thermodynamic properties of the floor heating pipe disc, obtaining working parameters of the floor heating pipe disc, and heat exchange and heat radiation load information of the floor decoration materials and the building space environment, the working parameters include water flow temperature and water inlet speed of the floor heating pipe disc;

[0064] According to the working parameters of the floor heating pipe disc, and the heat exchange and heat radiation load information of the floor decoration materials and the building space environment, obtaining a geometric model of the floor heating simulation design.

[0065] In step 220, according to the geometric model of the floor heating simulation design, obtaining temperature data of the floor decoration materials in the building data and any position on the floor heating pipe disc.

[0066] In particular, the floor decoration materials in the building data and the temperature data of any position on the floor heating pipe disc are obtained by using a heat conduction equation, and the heat conduction equation includes three components: energy conservation equation, internal energy equation, and Fourier heat conduction law.

[0067] Energy conservation equation: for any point x near a very small volume element dV, the internal energy increase of the volume element per unit time is equal to the heat generation rate r of the internal heat source of the volume, minus the net outflow heat flux of the volume element surface That is:

[0068]

[0069] The heat exchange and heat radiation load information of the floor decoration materials and the building space environment are the boundary conditions of energy conservation.

[0070] Internal energy equation: the floor is a solid, and the internal energy density change rate can be described as:

[0071]

[0072] Where, c p is the specific heat capacity of the floor, is the temperature change rate. The floor heating pipe has water flow, and the internal energy change rate of any fixed point in the pipe is:

[0073]

[0074] where c is the specific heat capacity of water, v is the water flow velocity. Because neither the floor nor the water will undergo a phase change during normal operation of the floor heating, the effect of latent heat on the internal energy is not considered. p is the specific heat capacity of water, v is the water flow velocity. Because neither the floor nor the water will undergo a phase change during normal operation of the floor heating, the effect of latent heat on the internal energy is not considered.

[0075] Fourier's heat conduction law:

[0076]

[0077] where k is the thermal conductivity tensor. For isotropic heat conducting materials, k = kI, where k is the thermal conductivity of the material.

[0078] Specifically, in an embodiment of the present application, the temperature data of the floor decoration material and any position on the floor heating pipe coil in the building data is obtained according to the geometric model of the floor heating simulation design, comprising:

[0079] According to the law of conservation of energy and the internal energy equation, the internal energy change data of any position on the floor heating pipe coil per unit time is obtained;

[0080] According to the internal energy change data of any position on the floor heating pipe coil per unit time and Fourier's heat conduction law, the heat conduction data of the floor decoration material in the building data is obtained;

[0081] According to the heat conduction data of the floor decoration material in the building data and the spatial grid division of the building data, the temperature data of the floor decoration material and any position on the floor heating pipe coil in the building data is obtained.

[0082] Specifically, in an embodiment of the present application, the internal energy change data of any position on the floor heating pipe coil per unit time is obtained according to the law of conservation of energy and the internal energy equation, comprising:

[0083] According to the law of conservation of energy, the internal energy increase value of any position on the floor heating pipe coil per unit time is obtained:

[0084]

[0085] where r is the heat generation rate of the internal heat source of any volume of the floor heating pipe coil, is the net outflow heat flux of the unit volume element surface corresponding to r;

[0086] According to the internal energy increase value of any position on the floor heating pipe coil per unit time and the internal energy equation, the internal energy change rate of any position on the floor heating pipe coil per unit time is obtained:

[0087]

[0088] where c is the specific heat capacity of water, p is the specific heat capacity of water, is the temperature change rate, v is the water flow rate, and p is the density of water.

[0089] Specifically, in one embodiment of the present application, the heat conduction data of the floor decoration and finishing material in the building data is obtained according to the internal energy change data of any position on the floor heating pipe disc per unit time and the Fourier heat conduction law.

[0090]

[0091] where q is the heat flux flowing from the outer surface of the solid, including the heat exchange of the floor decoration and finishing material with the building space environment and the heat radiation load.

[0092] In step 230, the temperature distribution data of the indoor air flow field area is obtained according to the temperature data of the floor decoration and finishing material in the building data and any position on the floor heating pipe disc, and air natural convection analysis.

[0093] In one specific embodiment, the temperature distribution data of the indoor air flow field area is obtained according to the temperature data of the floor decoration and finishing material in the building data and any position on the floor heating pipe disc, and air natural convection analysis, including:

[0094] obtaining the boundary surface position and geometry of the floor decoration and finishing material in the building data in the air natural convection of the indoor air flow field area;

[0095] obtaining the temperature distribution data of the indoor air flow field area according to the boundary surface position and geometry of the floor decoration and finishing material in the building data in the air natural convection of the indoor air flow field area, and the Navier-Stokes equation of air natural convection.

[0096] Specifically, by reading the house type data in the building data, a geometric model of the air flow field area is established, and the position and geometry of the floor top surface on the air flow field boundary surface are determined. The Navier-Stokes equation set describing air natural convection is solved using the finite volume method to obtain the temperature distribution of the air flow field area, etc. The speed of indoor air natural convection is much lower than the speed of sound, and it can be considered as an incompressible Newtonian fluid. The air density affected by temperature is simulated using the Boussinesq approximation. After simplification and assumption, the Navier-Stokes equation set describing air natural convection includes the mass conservation equation, the momentum conservation equation and the energy conservation equation.

[0097] The mass conservation equation is:

[0098] The momentum conservation equation is:

[0099] The momentum conservation equation is:

[0100] Where v is the velocity vector, t is time, T is temperature, p0 is the density at temperature T0, p is pressure, g is the gravitational acceleration, μ, β, c p , k are the molecular viscosity coefficient, thermal expansion coefficient, specific heat capacity, and heat conduction tensor of air.

[0101] According to the Navier-Stokes equation of natural convection of air, the turbulence model, and the boundary surface position and geometry of the floor decoration material in the building data in the indoor air flow field area natural convection of air, the temperature distribution data of the indoor air flow field area is obtained.

[0102] Specifically, the turbulence simulation method can be Reynolds time average RANS, and the turbulence model can adopt k-ε model; the constructed geometric model is meshed to generate a grid model, which includes the coordinates, number of n grid nodes, and node construction, shape, size, number, etc. Information of m grid units, using differential equations to volume integral each grid unit, a group of discrete equations with grid unit center temperature, pressure, flow rate, etc. As unknowns. Use the semi-implicit method for pressure coupling equations SIMPLE to solve the discrete equation group to obtain the pressure, flow rate, and temperature on all grid unit centers. The pressure, flow rate, and temperature of any point in the air flow field area can be obtained by interpolation calculation. Finally, the temperature distribution of the air flow field area is generated.

[0103] In step 240, according to the temperature distribution data of the indoor air flow field area, the evaluation index of the floor heating pipe disc simulation design is obtained.

[0104] Specifically, the evaluation index of the floor heating pipe disc simulation design includes:

[0105] Floor heating pipe outlet temperature;

[0106] Room average temperature, that is, the volume average value of the air flow field area temperature;

[0107] The temperature distribution of the floor top surface and the air flow field area can be visualized through the graphic rendering technology, and the cold and hot zones of the floor top surface and the air flow field area can be intuitively displayed.

[0108] The comprehensive evaluation index is used to calculate the overall score of the floor heating selection and the coil design.

[0109] The floor heating simulation design method provided in the application obtains the geometric model of the floor heating simulation design according to the building data and the floor heating pipe disc data of the floor heating simulation design; obtains the temperature data of the floor decoration materials in the building data and any position on the floor heating pipe disc according to the geometric model of the floor heating simulation design; obtains the temperature distribution data of the indoor air flow field area according to the temperature data of the floor decoration materials in the building data and any position on the floor heating pipe disc and the air natural convection analysis; and obtains the evaluation index of the floor heating pipe disc simulation design according to the temperature distribution data of the indoor air flow field area. The application can provide the user with the analysis of the temperature effect of the house type in advance, and can assist the merchant to arrange the pipes more reasonably before the pipe arrangement.

[0110] It should be understood that, although Figure 2 the steps in the flowchart are shown in sequential order, such that one step necessarily occurs before any other step in the sequence, the steps of such algorithms are not necessarily performed in the order shown. The execution of the steps of such algorithms can not be strictly sequential, in that different steps can be performed at different times during which different processing elements can operate on different processing locations or threads, and can do so even at the same processing location. Moreover, Figure 2 at least some of the steps in the flowcharts can include multiple sub-steps or stages, which can not necessarily be performed at the same time, and can be performed in a different order than shown.

[0111] Figure 3 is a structural schematic diagram of a floor heating simulation design device provided by an embodiment of the application, as shown in Figure 3 the floor heating simulation design device comprises:

[0112] a model construction module, a temperature simulation module and an index evaluation module.

[0113] The model construction module is configured to obtain the geometric model of the floor heating simulation design according to the building data and the floor heating pipe disc data of the floor heating simulation design.

[0114] The temperature simulation module is configured to obtain the temperature data of the floor decoration materials in the building data and any position on the floor heating pipe disc according to the geometric model of the floor heating simulation design; and obtain the temperature distribution data of the indoor air flow field area according to the temperature data of the floor decoration materials in the building data and any position on the floor heating pipe disc and the air natural convection analysis.

[0115] The index evaluation module is configured to obtain the evaluation index of the floor heating pipe disc simulation design according to the temperature distribution data of the indoor air flow field area.

[0116] Specifically, in another embodiment of the present application, the model construction module is configured to acquire the floor decoration material in the building data, and the thermodynamic property of the floor decoration material, and the water flow thermodynamic property of the floor heating pipe disc; acquire the working parameter of the floor heating pipe disc, and the heat exchange and heat radiation load information of the floor decoration material and the building space environment according to the floor decoration material in the building data, the thermodynamic property of the floor decoration material, and the water flow thermodynamic property of the floor heating pipe disc, the working parameter including the water flow temperature and the water inlet speed of the floor heating pipe disc; acquire the geometric model of the floor heating simulation design according to the working parameter of the floor heating pipe disc, and the heat exchange and heat radiation load information of the floor decoration material and the building space environment.

[0117] Specifically, in another embodiment of the present application, the temperature simulation module is configured to acquire the internal energy change data of any position on the floor heating pipe disc per unit time according to the law of conservation of energy and the internal energy equation; acquire the heat conduction data of the floor decoration material in the building data according to the internal energy change data of any position on the floor heating pipe disc per unit time and the Fourier heat conduction law; and acquire the temperature data of the floor decoration material in the building data and any position on the floor heating pipe disc according to the heat conduction data of the floor decoration material in the building data and the space grid division of the building data.

[0118] Specifically, in another embodiment of the present application, the temperature simulation module is configured to acquire the internal energy increase value of any position on the floor heating pipe disc per unit time according to the law of conservation of energy: In the formula, r is the heat generation rate of the internal heat source of any volume of the floor heating pipe disc, is the net outflow heat flux of the unit volume element surface corresponding to r; and acquire the internal energy change rate of any position on the floor heating pipe disc per unit time according to the internal energy increase value of any position on the floor heating pipe disc per unit time and the internal energy equation: In the formula, c p is the specific heat capacity of water, is the temperature change rate, v is the water flow speed, and p is the density of water.

[0119] Specifically, in another embodiment of the present application, the temperature simulation module is configured to obtain the position and geometry of the boundary surface of the floor decoration material in the indoor air flow field region in the building data; and obtain the temperature distribution data of the indoor air flow field region according to the position and geometry of the boundary surface of the floor decoration material in the indoor air flow field region in the building data, and the Navier-Stokes equation of the air natural convection.

[0120] Specifically, in another embodiment of the present application, the temperature simulation module is configured to obtain the Navier-Stokes equation of the air natural convection, the Navier-Stokes equation of the air natural convection including a mass conservation equation, a momentum conservation equation and an energy conservation equation; the mass conservation equation is: the momentum conservation equation is: the momentum conservation equation is: wherein, v is a velocity vector, t is time, T is temperature, p0 is density at temperature T0, p is pressure, g is gravitational acceleration, μ, β, c p k are molecular viscosity coefficient, thermal expansion coefficient, specific heat capacity, and heat conduction tensor of air; and obtain the temperature distribution data of the indoor air flow field region according to the Navier-Stokes equation of the air natural convection, a turbulence model, and the position and geometry of the boundary surface of the floor decoration material in the indoor air flow field region in the building data.

[0121] The floor heating simulation design device of the present application obtains the geometric model of the floor heating simulation design according to the building data and the floor heating pipe disc data of the floor heating simulation design by the model construction module; obtains the temperature data of the floor decoration material in the building data and any position on the floor heating pipe disc according to the geometric model of the floor heating simulation design by the temperature simulation module; obtains the temperature distribution data of the indoor air flow field region according to the temperature data of the floor decoration material in the building data and any position on the floor heating pipe disc, and air natural convection analysis; and obtains the evaluation index of the floor heating pipe disc simulation design according to the temperature distribution data of the indoor air flow field region by the index evaluation module. The present application can provide the user with the analysis of the floor heating temperature effect of the house type in advance, and can assist the merchant to arrange the pipes more reasonably before the pipe arrangement.

[0122] The specific limitations of the floor heating simulation design device can refer to the limitations of the floor heating simulation design method described above, and will not be repeated here. Each module in the floor heating simulation design device described above can be implemented by software, hardware, and a combination thereof, in whole or in part. The above-mentioned modules can be embedded in or independent of the processor in the computer device in hardware form, or can be stored in the memory in the computer device in software form, so that the processor invokes and executes the operations corresponding to each of the above-mentioned modules.

[0123] In particular, according to an embodiment of the present disclosure, as shown in Figure 4 The electronic device includes one or more processors and a memory storing one or more programs, and when the one or more programs are executed by the processor, the processor implements the floor heating simulation design method described in the embodiment of the present disclosure.

[0124] In particular, according to an embodiment of the present disclosure, the floor heating simulation design method described in any of the above embodiments can be implemented as a computer software program. For example, an embodiment of the present disclosure includes a computer program product including a computer program tangibly embodied on a machine-readable medium, the computer program containing program code for executing the floor heating simulation design method. In such an embodiment, the computer program can be downloaded and installed from a network by a communication portion, and / or installed from a removable medium.

[0125] The one or more programs stored in the program in the read-only memory ROM or the program in the random access memory RAM perform various appropriate actions and processes. In the random access memory RAM, the software program including the server completing the corresponding service, and various programs and data required for vehicle driving operation are included. The server and the hardware devices controlled thereby, the read-only memory ROM, the random access memory RAM are connected to each other through a bus, and various input / output interfaces are also connected to the bus.

[0126] The following components are connected to the input / output interface: an input portion including a keyboard, a mouse, etc.; an output portion including a cathode ray tube CRT, a liquid crystal display LCD, etc., and a speaker, etc.; and a communication portion including a network interface card such as a LAN card, a modem, etc. The communication portion performs communication processing via a network such as the Internet. A drive is also connected to the input / output interface as necessary. A removable medium such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, etc. is mounted on the drive as necessary, so that a computer program read therefrom is installed in the memory as necessary.

[0127] In particular, according to embodiments of the present disclosure, the floor heating simulation design method described in any of the above embodiments can be implemented as a computer software program. For example, embodiments of the present disclosure include a computer program product comprising a computer program tangibly embodied on a machine-readable medium, the computer program containing program code for executing a floor heating simulation design method. In such embodiments, the computer program can be downloaded and installed from a network by a communication section, and / or installed from a detachable medium.

[0128] The units or modules described in the embodiments of the present application can be implemented by software or by hardware. The described units or modules can also be arranged in a processor. The names of the units or modules do not constitute a limitation on the units or modules themselves in some cases.

[0129] The above description is merely the preferred embodiments and the explanation of the applied technical principles of the present application. Those skilled in the art should understand that the scope of the invention involved in the present application is not limited to the technical solutions formed by the specific combinations of the above technical features, and should also cover other technical solutions formed by any combinations of the above technical features or their equivalent features without departing from the inventive concept. For example, the above features can be replaced with the technical features disclosed in the present application (but not limited to) having similar functions to form technical solutions.

Claims

1. A method for simulating the design of underfloor heating systems, characterized in that, The method includes: Based on the building data and underfloor heating coil data of the underfloor heating simulation design, obtain the geometric model of the underfloor heating simulation design; Based on the geometric model of the underfloor heating simulation design, obtain the floor decoration materials and temperature data at any location on the underfloor heating coil from the building data; Based on the floor decoration materials and temperature data at any location on the underfloor heating coil in the building data, as well as natural air convection analysis, the temperature distribution data of the indoor air flow field area is obtained; Based on the temperature distribution data of the indoor airflow field area, the evaluation index of the simulation design of the underfloor heating coil is obtained; The step of obtaining temperature data from the floor decoration materials and any location on the underfloor heating coils in the building data based on the geometric model of the underfloor heating simulation design includes: Based on the law of conservation of energy and the internal energy equation, the data on the change of internal energy at any position on the underfloor heating coil per unit time are obtained; Based on the data of internal energy change at any position on the underfloor heating coil within a unit time and Fourier's law of heat conduction, the heat conduction data of the floor decoration and finishing materials in the building data are obtained. Based on the thermal conductivity data of the floor decoration materials in the building data and the spatial grid division of the building data, obtain the temperature data of the floor decoration materials and any location on the underfloor heating coil in the building data; The method of obtaining the internal energy change data at any location on the underfloor heating coil per unit time based on the law of conservation of energy and the internal energy equation includes: Based on the law of conservation of energy, the increase in internal energy at any location on the underfloor heating coil per unit time is obtained: In the formula, r is the heat generation rate of the heat source inside any volume of the underfloor heating coil. The net outflow heat flux per unit volume of the surface corresponding to r; Based on the increase in internal energy at any location on the underfloor heating coil per unit time and the internal energy equation, the rate of change of internal energy at any location on the underfloor heating coil per unit time is obtained: In the formula, c p It is the specific heat capacity of water. ρ is the rate of temperature change, v is the water flow velocity, and ρ is the density of water. The method of obtaining temperature distribution data of indoor airflow field areas based on the temperature data of floor decoration materials and arbitrary locations on the underfloor heating coils in the building data, as well as natural air convection analysis, includes: The location and geometry of the floor decoration materials in the building data at the boundary surface of natural air convection in the indoor airflow field area are obtained. Based on the location and geometry of the floor decoration materials in the building data at the boundary surface of the natural air convection in the indoor air flow field area, and the Navier-Stokes equations for natural air convection, the temperature distribution data of the indoor air flow field area is obtained.

2. The method according to claim 1, characterized in that, The process of obtaining the geometric model of the underfloor heating simulation design based on the building data and underfloor heating coil data includes: Obtain the floor decoration and finishing materials in the building data, as well as the thermodynamic properties of the floor decoration and finishing materials and the water flow thermodynamic properties of the underfloor heating coils; Based on the floor decoration and finishing materials in the building data, the thermodynamic properties of the floor decoration and finishing materials, and the water flow thermodynamic properties of the underfloor heating coil, the working parameters of the underfloor heating coil and the heat exchange and heat radiation load information between the floor decoration and finishing materials and the building space environment are obtained. The working parameters include the inlet water temperature and inlet speed of the underfloor heating coil. Based on the working parameters of the underfloor heating coils and the heat exchange and heat radiation load information between the floor decoration materials and the building space environment, the geometric model of the underfloor heating simulation design is obtained.

3. The method according to claim 1, characterized in that, The heat conduction data of the floor decoration materials in the building data is obtained based on the internal energy change data of any position on the underfloor heating coil per unit time and Fourier's law of heat conduction. Where q is the heat flux flowing in from the outer surface of the solid, including the heat exchange and heat radiation load between the floor decoration material and the building space environment.

4. A floor heating simulation design device, characterized in that, The device includes: The model building module is used to obtain the geometric model of the underfloor heating simulation design based on the building data and underfloor heating coil data of the underfloor heating simulation design. The temperature simulation module is used to obtain temperature data of the floor decoration materials and any location on the underfloor heating coil in the building data based on the geometric model of the underfloor heating simulation design; and to obtain temperature distribution data of the indoor air flow field area based on the temperature data of the floor decoration materials and any location on the underfloor heating coil in the building data, as well as natural air convection analysis. The step of obtaining temperature data from the floor decoration materials and any location on the underfloor heating coils in the building data based on the geometric model of the underfloor heating simulation design includes: Based on the law of conservation of energy and the internal energy equation, the data on the change of internal energy at any position on the underfloor heating coil per unit time are obtained; Based on the data of internal energy change at any position on the underfloor heating coil within a unit time and Fourier's law of heat conduction, the heat conduction data of the floor decoration and finishing materials in the building data are obtained. Based on the thermal conductivity data of the floor decoration materials in the building data and the spatial grid division of the building data, obtain the temperature data of the floor decoration materials and any location on the underfloor heating coil in the building data; The method of obtaining the internal energy change data at any location on the underfloor heating coil per unit time based on the law of conservation of energy and the internal energy equation includes: Based on the law of conservation of energy, the increase in internal energy at any location on the underfloor heating coil per unit time is obtained: In the formula, r is the heat generation rate of the heat source inside any volume of the underfloor heating coil. The net outflow heat flux per unit volume of the surface corresponding to r; Based on the increase in internal energy at any location on the underfloor heating coil per unit time and the internal energy equation, the rate of change of internal energy at any location on the underfloor heating coil per unit time is obtained: In the formula, c p It is the specific heat capacity of water. ρ is the rate of temperature change, v is the water flow velocity, and ρ is the density of water. The method of obtaining temperature distribution data of indoor airflow field areas based on the temperature data of floor decoration materials and arbitrary locations on the underfloor heating coils in the building data, as well as natural air convection analysis, includes: The location and geometry of the floor decoration materials in the building data at the boundary surface of natural air convection in the indoor airflow field area are obtained. Based on the location and geometry of the boundary surface of the floor decoration and finishing materials in the building data, and the Navier-Stokes equations for natural air convection in the indoor air flow field area, the temperature distribution data of the indoor air flow field area is obtained. The index evaluation module is used to obtain the evaluation index of the simulation design of the underfloor heating coil based on the temperature distribution data of the indoor air flow field area.

5. An electronic device, characterized in that, The device includes a processor and a memory, the memory being used to store one or more programs; When the processor executes the one or more programs, the processor performs the method as described in any one of claims 1 to 3.

6. A computer-readable storage medium storing a computer program, characterized in that, When the computer program is executed, it implements the method as described in any one of claims 1 to 3.

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