Method for simplifying an urban building energy consumption model

A technology for building energy consumption and simplifying algorithms. It is used in 3D modeling, image data processing, instruments, etc., and can solve problems such as complex facilities and difficulty in effectively calculating urban energy consumption.

Active Publication Date: 2019-04-19
SOUTHEAST UNIV
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  • Description
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AI Technical Summary

Problems solved by technology

[0005]The technical problem to be solved by the present invention is: in the process of urban energy consumption simulation, it is difficult to effectively Calculate the energy consumption of the city

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  • Method for simplifying an urban building energy consumption model
  • Method for simplifying an urban building energy consumption model
  • Method for simplifying an urban building energy consumption model

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Embodiment Construction

[0026] like figure 1 Shown, the present invention provides a kind of simplified method of urban building energy consumption model, comprises the following steps:

[0027] Step 1. Carry out plane simplification, import urban building graphic data, and perform edge simplification on the top view outline of each building to eliminate concave and convex edges;

[0028] Step 2, perform facade simplification, and calculate the simplified building storeys of each building monomer in the height direction by using the equal-volume simplification algorithm;

[0029] In step 3, the three-dimensional model of each single building is established by using the simplified top view contour lines of each building edge and the corresponding simplified building floors.

[0030] Further, in step 1, each building is composed of at least one building unit, and when performing sideline simplification on the top view outline of each building, it needs to be simplified separately according to the comp...

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Abstract

The invention provides a method for simplifying an urban building energy consumption model, which comprises the following steps of: carrying out plane simplification, importing urban building graphicdata, carrying out sideline simplification processing on an overlook contour line of each building, and eliminating concave and convex sidelines; Carrying out facade simplification, and calculating the simplified building layer number of each building monomer in the height direction by using an isovolumetric simplification algorithm; And establishing a three-dimensional model of each building monomer by using the simplified overlook contour line of each building side line and the corresponding simplified building layer number. According to the urban building energy consumption model simplification method, an effective geometric simplification method can be provided on the scale of an urban central area; A building geometric data simplification basis is provided for realizing urban energy consumption simulation, building groups are simplified on an urban level, scientific calculation and analysis are carried out, and the method has important basic significance for research on optimization, safety and management of urban energy.

Description

technical field [0001] The invention relates to a simplification method of an energy consumption model, in particular to a simplification method of an urban building energy consumption model. Background technique [0002] Statistics show that carbon oxides emitted by cities account for 75% of global carbon oxide emissions, and the construction industry consumes about 40% of global energy and emits about 1 / 3 of greenhouse gases. At the same time, more than 80% of the world's energy comes from fossil fuels. The rapid growth of energy consumption may have an economic impact on energy importing countries, and ultimately increase the risks of climate change to the global community. Although the goal of reducing greenhouse gas emissions is usually set at the national level, corresponding policy measures must be taken at the city scale, mainly because urban energy consumption information can facilitate the effective selection of relevant policy measures to improve energy use effici...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T17/10G06Q50/26
CPCG06Q50/26G06T17/10Y02D10/00
Inventor 李艳霞石邢杨俊宴张新开汪安楠
Owner SOUTHEAST UNIV
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