CN106934140A - Building energy conservation automatic checking method based on BIM - Google Patents
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Abstract
The invention discloses a kind of building energy conservation automatic checking method based on BIM, the examination of Shape Coefficient, single vertical window and the exterior wall built in revit softwares than, the shading coefficient of heat transfer coefficient, exterior window is included in, the examination of heat transfer coefficient includes that exterior wall, roofing, exterior window, basement, the heat transfer coefficient of top board are examined.This method can optimize the scheme of building energy efficiency examination, improve design efficiency and quality, reduce the workload of designer, save plenty of time resource, and reduces cost is that designing unit creates more values.
Description
Technical field
The invention belongs to energy-saving building technology field, it is related to a kind of building energy conservation automatic checking method based on BIM.
Background technology
In terms of building energy consumption, the building energy consumption of developed country typically constitutes from 33% or so of national total energy consumption in the world, and
China mutually maintains an equal level also in developing stage, but building energy consumption with developed country, and China building energy consumption still year by year
Rise, with the quickening and the improvement of people's living standard of urbanization process, China's architectural energy consumption ratio finally will also rise to
35% or so.So big proportion, architectural energy consumption has become the obstacle of the economic development that govern China.
However, after seventies energy crisis, developed country starts to be devoted to research and carries out energy-saving building technology, China
But the problem of this respect is have ignored, the energy-saving building technology level far behind developed country of China is caused.For example, domestic exhausted
The hot merit of most of heating districts building enclosures can be all more close than weather developed country it is poor many.The heat transfer coefficient of exterior wall is it
3.5 to 4.5 times, exterior window is 2 to 3 times, and roofing is 3 to 6 times, and the air penetration of door and window is 3 to 6 times.
In recent years, energy-saving design in construction is accelerated in national requirements, has put into effect in succession and has been examined on energy-saving design in construction and construction drawing
The Main Specification and standard of aspect are looked into, specification is made that regulation to the Shape Coefficient and heat transfer coefficient of building suitable multiple location,
For example, the Shape Coefficient of regulations of rules severe cold and cold district public building should meet：Single construction area A (m2), 300<A≤
800, shape coefficient of building≤0.50；A>800, shape coefficient of building≤0.40.Severe cold area Class A public building is each single vertical
Face window-wall ratio (including printing opacity curtain wall) is not preferably greater than 0.60；Other regional each single facade window-wall ratio (bags of Class A public building
Include printing opacity curtain wall) 0.70 is not preferably greater than.For exterior wall, the window-wall ratio coefficient of the exterior window exterior wall of different azimuth is also different, thing
Face coefficient is 0.253, in the south 0.33, north 0.29.And in traditional CAD design pattern, due to the office of two dimensional surface design
It is sex-limited, the data message of correlation cannot be carried in single CAD diagram paper, designer's building energy conservation during design drawing sets
There is mistake in meter, it may appear that building energy conservation calculated description, report table, general description of construction and construction measure, the Various types of data on material list to a higher authorities for approval
The phenomenon such as inconsistent, in terms of construction plan review, construction plan review designs lattice not tight to check on, examines not carefully, manual review work
Work amount is big etc..A kind of building energy conservation automatic checking method rapidly and efficiently has become the active demand in process of architecture design,
Also contribute to liberate the productive forces simultaneously, improve operating efficiency and design level.
The three-dimensional building design being currently based under BIM technology platform has been achieved for sizable development, BIM
(Building Information Modeling) be using open professional standard, physics and functional characteristic to facility and
Its related project life cycle information is digitized the performance of form, so as to for project decision provides support, be conducive to more
Item purpose value is realized well.BIM is the information based data of the related data in integration engineering project based on threedimensional model
Model, is the digital expression to engineering project entity and functional characteristic, can be by the data of projects stage different phase
Information resources are attached, convenient to provide support to each participant of project.
On the basis of the three-dimensional visualization based on BIM, designer is referred to the three-dimensional building information mould of design
Type, finds whether the design of building element meets related specifications requirement, and repair to designing a model successively according to examining report
Change, improve operating efficiency, perfect threedimensional model.
The content of the invention
It is flat based on BIM for detecting it is an object of the invention to provide a kind of building energy conservation automatic checking method based on BIM
Whether the window-wall ratio of the three-dimensional building model of design, heat transfer coefficient and Shape Coefficient meet code requirement under platform.
The technical solution adopted in the present invention is that the building energy conservation automatic checking method based on BIM is included in revit soft
Shape Coefficient, single vertical window and the exterior wall built in part than, the shading coefficient of heat transfer coefficient, exterior window examination, heat transfer
The examination of coefficient includes that exterior wall, roofing, exterior window, basement, the heat transfer coefficient of top board are examined.
The features of the present invention is also resided in,
Wherein examine that the process of the Shape Coefficient of building is as follows：
A) the area summation S of all roofings is obtained1；
The filter condition of roofing attribute is created, all roofing elements is found in a model, all roofing elements that will be found
Parameter is put into set A, and the parameters of each roofing element, extract each roofing element in set A in traversal set A
Area parameters, the area accumulation of each roofing element of gained is sued for peace, and obtains final product the area summation S of all roofings1；
The parameter of wherein each roofing element includes：Roofing area, roofing volume, roofing coordinate, roofing thickness, roofing material
Matter；
B) the summation S of all exterior wall areas is obtained2；
First, the absolute altitude P2 on grade absolute altitude P1 and roof is obtained；
Filter A is set, the data filtering that type is absolute altitude is out put into set B by filter A, traversal set
All information in B, are that the information of the absolute altitude P2 on grade absolute altitude mark P1 and roof is extracted by type in set B；
Secondly, filter B is set, the data filtering that all types are walls is out put into set C by filter B,
The all information of wall in traversal set C, the information that type in set C is exterior wall is extracted, then all outer from what is extracted
The absolute altitude P of exterior wall is extracted in wall information；
Finally, judge whether the numerical value of the exterior wall absolute altitude P for extracting meets absolute altitude condition, absolute altitude condition is：P2 ＞ P ＞
P1, the exterior wall data that will meet absolute altitude condition are extracted, and are put into set D, the parameters in traversal set D, in set D
The middle area parameters for extracting each exterior wall, each exterior wall area accumulation of gained is sued for peace, and obtains final product the summation of all exterior wall areas
S2；
Wherein exterior wall data include wall face product, exterior wall volume, exterior wall thickness, exterior wall coordinate；
C) architectural volume V is sought；
First, the area S of all plate planes is obtained3；
Filter C is set, the information of all plates is filtrated to get by filter C, extract all in the information of all plates
Elevation information, in all elevation informations for extracting, plate corresponding with grade absolute altitude P1 identical elevation informations is extracted
Out it is put into set E, the parameters of plate, the area parameters of each plate in set E are extracted in traversal set E, will
The area accumulation summation of all plates, obtains final product the area S of all plate planes3；
The parameter of wherein plate includes：The area of plate, the volume of plate, the thickness of plate；
Then, the area S of all plate planes will be obtained3With the area summation S of all roofings1It is compared, by S3With S1Two
The volume V of the mutually multiplied building of difference of maximum and top layer absolute altitude P2 and grade absolute altitude P1 between person；
D) the summation S of all exterior wall areas is sought2The ratio between with architectural volume V, gained ratio is the Shape Coefficient of building；Root
According to《Public building energy design standard》GB50189-2015, when shape coefficient of building is more than 0.3, it is necessary to carry out building enclosure
The balance of thermal property judges, otherwise need not.
Wherein examine single vertical window and exterior wall than process it is as follows：
Filter D is set, the data filtering that all types are walls is out put into set F by filter D, traversal collection
The all information in F are closed, the information that type in set F is exterior wall is extracted, exterior wall is obtained in the exterior wall information extracted
Azimuth information；
The exterior wall information that orientation is east is extracted and is put into set G, the parameters of exterior wall in traversal set G,
The area parameters of each exterior wall are extracted in set G, is east orientation is obtained according to wall in revit and the mutual relations of dependence of window
Exterior wall area while also obtain orientation be east window area, by the orientation of acquisition be east all exterior wall area accumulations
Summation, obtains final product all exterior wall area summation S that orientation is east4；It is the area accumulation summation of the window in east by orientation, obtaining final product orientation is
The fenestrate area summation S in east5；Seek all exterior wall area summation S that orientation is east4With fenestrate area summation S5The ratio between；
The exterior wall information that orientation is west is extracted and is put into set H, the parameters of exterior wall in traversal set H,
The area parameters of each exterior wall are extracted in set H, is west orientation is obtained according to wall in revit and the mutual relations of dependence of window
Exterior wall area while also obtain orientation be west window area, by the orientation of acquisition be west all exterior wall area accumulations
Summation, obtains final product all exterior wall area summation S that orientation is west6；It is the area accumulation summation of the window in west by orientation, obtaining final product orientation is
The fenestrate area summation S in west7；Seek all exterior wall area summation S that orientation is west6With fenestrate area summation S7The ratio between；
The exterior wall information that orientation is south is extracted and is put into set I, the parameters of exterior wall in traversal set I,
The area parameters of each exterior wall are extracted in set I, is south orientation is obtained according to wall in revit and the mutual relations of dependence of window
Exterior wall area while also obtain orientation be south window area, by the orientation of acquisition be south all exterior wall area accumulations
Summation, obtains final product all exterior wall area summation S that orientation is south8；It is the area accumulation summation of the window in south by orientation, obtaining final product orientation is
The fenestrate area summation S in south9；Seek all exterior wall area summation S that orientation is south8With fenestrate area summation S9The ratio between；
The exterior wall information that orientation is north is extracted and is put into set I, the parameters of exterior wall in traversal set I,
The area parameters of each exterior wall are extracted in set I, is north orientation is obtained according to wall in revit and the mutual relations of dependence of window
Exterior wall area while also obtain orientation be north window area, by the orientation of acquisition be north all exterior wall area accumulations
Summation, obtains final product all exterior wall area summation S that orientation is north10；It is the area accumulation summation of the window in north by orientation, obtaining final product orientation is
The fenestrate area summation S in north11；Seek all exterior wall area summation S that orientation is north10With fenestrate area summation S11It
Than；
According to《Public building energy design standard》Regulation, when window and exterior wall are more than 0.7 than numerical value, does not meet design rule
Model requirement, on the contrary then meet.
Wherein heat transfer coefficient of outer wall K1Checking process it is as follows：
Filter E is set, the data filtering that all types are walls is out put into set J by filter E, traversal collection
The all information in J are closed, the information that type in set J is exterior wall is extracted；Again from all exterior wall information for extracting
Selection meets the exterior wall data of absolute altitude condition, and (absolute altitude condition is：P2 ＞ P ＞ P1), carried in the exterior wall data for meeting absolute altitude condition
Take the thermal resistance value c of exterior wall1, according to《Public building energy design standard》It is more than grade specified in GB50189-2015
The heat transfer coefficient formula of exterior wall, shown in equation below (1), obtains final product heat transfer coefficient of outer wall K1：
K1=(1.1/ (0.11+c1+0.04))*1.1 (1)；
According to《Public building energy design standard》Requirement, work as K1During more than 0.6, code requirement is not met, otherwise be
Meet.
Wherein roofing Coefficient K2Checking process it is as follows：
The filter condition of roofing attribute is created, all roofing elements is found in a model, all roofing elements that will be found
Parameter is put into set K, and the parameters of each roofing element, extract each roofing element in set K in traversal set K
Thermal resistance value c2, according to《Public building energy design standard》The computing formula of roofing heat transfer coefficient is calculated in GB50189-2015,
Shown in equation below (2), roofing Coefficient K is obtained final product2：
K2=(1.1/ (0.11+c2+0.04))*1.0 (2)；
According to《Public building energy design standard》Requirement, work as K2During more than 0.55, normal value is not met, otherwise meet
Numerical value specified in specification.
The checking process of the wherein heat transfer coefficient of exterior window is as follows：
Filter E is set, the data filtering that all types are walls is out put into set L by filter E, traversal collection
The all information in L are closed, the information that type in set L is exterior wall is extracted, exterior wall is obtained in the exterior wall information extracted
Azimuth information；
The exterior wall information that orientation is east is extracted and is put into set M, the parameters of exterior wall, root in traversal set M
According to wall in revit and the mutual relations of dependence of window, it is known that the parameter information of exterior wall obtains final product each parameter information of exterior window, in exterior window
The Coefficient K of window is extracted in each parameter information31；
The exterior wall information that orientation is west is extracted and is put into set N, the parameters of exterior wall, root in traversal set N
According to wall in revit and the mutual relations of dependence of window, it is known that the parameter information of exterior wall obtains final product each parameter information of exterior window, in exterior window
The Coefficient K of window is extracted in each parameter information32；
The exterior wall information that orientation is south is extracted and is put into set O, the parameters of exterior wall, root in traversal set O
According to wall in revit and the mutual relations of dependence of window, it is known that the parameter information of exterior wall obtains final product each parameter information of exterior window, in exterior window
The Coefficient K of exterior window is extracted in each parameter information33；
The exterior wall information that orientation is north is extracted and is put into set P, the parameters of exterior wall, root in traversal set P
According to wall in revit and the mutual relations of dependence of exterior window, it is known that the parameter information of exterior wall obtains final product each parameter information of exterior window, in exterior window
Each parameter information in extract exterior window Coefficient K34；
According to《Public building energy design standard》Regulation, when the Coefficient K of vertical window31、K32K33K34It is all higher than 2.70
When, code requirement is not met, conversely, then meeting specification.
The heat transfer coefficient checking process of wherein basement roof is as follows：
Filter F is set, the information of all plates is filtrated to get by filter F, extract all in the information of all plates
Elevation information, in all elevation informations for extracting, plate corresponding with grade absolute altitude P1 identical elevation informations is extracted
Out it is put into set Q, the parameters of plate in traversal set Q, by the thermal resistance value c of each plate in set Q3Extract, root
According to《Public building energy design standard》The computing formula of basement roof heat transfer coefficient is calculated in GB50189-2015, it is following public
Shown in formula (3), the Coefficient K of basement roof is obtained final product4：
K4=(1/ (0.11+c3+0.04))*1.0 (3)；
According to《Public building energy design standard》Requirement, if K4More than 0.45, then normal value is not met, otherwise then
Meet.
The shading coefficient checking process of wherein exterior window is as follows：
Filter G is set, the data filtering that all types are walls is out put into set R by filter G, traversal collection
The all information in R are closed, the information that type in set R is exterior wall is extracted, exterior wall is obtained in the exterior wall information extracted
Azimuth information；
The exterior wall information that orientation is south is extracted and is put into set S, the parameters of exterior wall, root in traversal set S
According to wall in revit and the mutual relations of dependence of window, it is known that the parameter information of exterior wall obtains final product each parameter information of exterior window, in exterior window
That exterior window is extracted in each parameter information obtains hot coefficient S HGC；
According to《Public building energy design standard》Middle shading coefficient of external window computing formula, according to equation below (4), obtains
To the shading coefficient SC of exterior window：
SC=SHGC/0.889 (4)；
According to《Public building energy design standard》Requirement, if the value of shading coefficient SC be more than 0.60, conform to
Ask, it is otherwise undesirable.
The beneficial effects of the invention are as follows can automatically and efficiently be sentenced in process of architecture design using method proposed by the present invention
Disconnected shape coefficient of building, heat transfer coefficient, whether single facade window-wall ratio meets specification moreover, it relates to exterior window sunshade system
Several examinations, and document storing is generated for designer's reference.This method can optimize the scheme of building energy efficiency examination, improve design
Efficiency and quality, reduce the workload of designer, save plenty of time resource, and reduces cost is that designing unit's creation is more
Value.
Brief description of the drawings
Fig. 1 is to build grade P1 with roof mark P2 in building energy conservation automatic checking method of the present invention based on BIM
Schematic diagram.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawings and detailed description.
A kind of building energy conservation automatic checking method based on BIM of the present invention, this method is related to be built in revit softwares
Shape Coefficient, single vertical window and exterior wall ratio, (exterior wall, roofing, exterior window, basement roof) heat transfer coefficient, the screening of exterior window built
The examination of positive coefficient.
Examine that the process of the Shape Coefficient of building is as follows：
A) the area summation S of all roofings is obtained1；
The filter condition of roofing attribute is created, all roofing elements is found in a model, all roofing elements that will be found
Parameter is put into set A, and the parameters of each roofing element, extract each roofing element in set A in traversal set A
Area parameters, the area accumulation of each roofing element of gained is sued for peace, and obtains final product the area summation S of all roofings1；
The parameter of wherein each roofing element includes：Roofing area, roofing volume, roofing coordinate, roofing thickness, roofing material
Matter；
B) the summation S of all exterior wall areas is obtained2；
First, the absolute altitude P2 on grade absolute altitude P1 and roof is obtained；
Filter A is set, the data filtering that type is absolute altitude is out put into set B by filter A, traversal set
Type in set B is that the information of the absolute altitude P2 on grade absolute altitude mark P1 and roof is extracted by all information in B (joins
See Fig. 1)；
Secondly, filter B is set, the data filtering that all types are walls is out put into set C by filter B,
The all information of wall in traversal set C, the information that type in set C is exterior wall is extracted, then all outer from what is extracted
The absolute altitude P of exterior wall is extracted in wall information；
Finally, judge whether the numerical value of the exterior wall absolute altitude P for extracting meets absolute altitude condition, absolute altitude condition is：P2 ＞ P ＞
P1, the exterior wall data that will meet absolute altitude condition are extracted, and are put into set D, the parameters in traversal set D, in set D
The middle area parameters for extracting each exterior wall, each exterior wall area accumulation of gained is sued for peace, and obtains final product the summation of all exterior wall areas
S2；
Wherein exterior wall data include wall face product, exterior wall volume, exterior wall thickness, exterior wall coordinate；
C) architectural volume V is sought；
First, the area S of all plate (bottom) planes is obtained3；
Filter C is set, the information of all plates is filtrated to get by filter C, extract all in the information of all plates
Elevation information, in all elevation informations for extracting, plate corresponding with grade absolute altitude P1 identical elevation informations is extracted
Out it is put into set E, the parameters of plate, the area parameters of each plate in set E are extracted in traversal set E, will
The area accumulation summation of all plates, obtains final product the area S of all plates (bottom) plane3；
The parameter of wherein plate includes：The area of plate, the volume of plate, the thickness of plate；
Then, the area S of all plate (bottom) planes will be obtained3With the area summation S of all roofings1It is compared, by S3
With S1Therebetween maximum and the volume V of the mutually multiplied building of difference of top layer absolute altitude P2 and grade absolute altitude P1；
D) the summation S of all exterior wall areas is sought2The ratio between with architectural volume V, gained ratio is the Shape Coefficient of building；Root
According to《Public building energy design standard》GB50189-2015, when shape coefficient of building is more than 0.3, it is necessary to carry out building enclosure
The balance of thermal property judges, otherwise need not.
Examine single vertical window and exterior wall than process it is as follows：
Filter D is set, the data filtering that all types are walls is out put into set F by filter D, traversal collection
The all information in F are closed, the information that type in set F is exterior wall is extracted, exterior wall is obtained in the exterior wall information extracted
Azimuth information (obtaining exterior wall in which position of all directions)；
The exterior wall information that orientation is east is extracted and is put into set G, the parameters of exterior wall in traversal set G,
The area parameters of each exterior wall are extracted in set G, is east orientation is obtained according to wall in revit and the mutual relations of dependence of window
Exterior wall area while also obtain orientation be east window area, by the orientation of acquisition be east all exterior wall area accumulations
Summation, obtains final product all exterior wall area summation S that orientation is east4；It is the area accumulation summation of the window in east by orientation, obtaining final product orientation is
The fenestrate area summation S in east5；Seek all exterior wall area summation S that orientation is east4With fenestrate area summation S5The ratio between；
The exterior wall information that orientation is west is extracted and is put into set H, the parameters of exterior wall in traversal set H,
The area parameters of each exterior wall are extracted in set H, is west orientation is obtained according to wall in revit and the mutual relations of dependence of window
Exterior wall area while also obtain orientation be west window area, by the orientation of acquisition be west all exterior wall area accumulations
Summation, obtains final product all exterior wall area summation S that orientation is west6；It is the area accumulation summation of the window in west by orientation, obtaining final product orientation is
The fenestrate area summation S in west7；Seek all exterior wall area summation S that orientation is west6With fenestrate area summation S7The ratio between；
The exterior wall information that orientation is south is extracted and is put into set I, the parameters of exterior wall in traversal set I,
The area parameters of each exterior wall are extracted in set I, is south orientation is obtained according to wall in revit and the mutual relations of dependence of window
Exterior wall area while also obtain orientation be south window area, by the orientation of acquisition be south all exterior wall area accumulations
Summation, obtains final product all exterior wall area summation S that orientation is south8；It is the area accumulation summation of the window in south by orientation, obtaining final product orientation is
The fenestrate area summation S in south9；Seek all exterior wall area summation S that orientation is south8With fenestrate area summation S9The ratio between；
The exterior wall information that orientation is north is extracted and is put into set I, the parameters of exterior wall in traversal set I,
The area parameters of each exterior wall are extracted in set I, is north orientation is obtained according to wall in revit and the mutual relations of dependence of window
Exterior wall area while also obtain orientation be north window area, by the orientation of acquisition be north all exterior wall area accumulations
Summation, obtains final product all exterior wall area summation S that orientation is north10；It is the area accumulation summation of the window in north by orientation, obtaining final product orientation is
The fenestrate area summation S in north11；Seek all exterior wall area summation S that orientation is north10With fenestrate area summation S11It
Than；
According to《Public building energy design standard》Regulation, when window and exterior wall are more than 0.7 than numerical value, does not meet design rule
Model requirement, on the contrary then meet.
The examination of heat transfer coefficient
Heat transfer coefficient of outer wall K1Checking process it is as follows：
Filter E is set, the data filtering that all types are walls is out put into set J by filter E, traversal collection
The all information in J are closed, the information that type in set J is exterior wall is extracted；Again from all exterior wall information for extracting
Selection meets the exterior wall data of absolute altitude condition, and (absolute altitude condition is：P2 ＞ P ＞ P1), carried in the exterior wall data for meeting absolute altitude condition
Take the thermal resistance value c of exterior wall1, according to《Public building energy design standard》It is more than grade specified in GB50189-2015
The heat transfer coefficient formula of exterior wall, shown in equation below (1), obtains final product heat transfer coefficient of outer wall K1：
K1=(1.1/ (0.11+c1+0.04))*1.1 (1)；
According to《Public building energy design standard》Requirement, work as K1During more than 0.6, code requirement is not met, otherwise be
Meet.
Roofing Coefficient K2Checking process it is as follows：
The filter condition of roofing attribute is created, all roofing elements is found in a model, all roofing elements that will be found
Parameter is put into set K, and the parameters of each roofing element, extract each roofing element in set K in traversal set K
Thermal resistance value c2, according to《Public building energy design standard》The computing formula of roofing heat transfer coefficient is calculated in GB50189-2015,
Shown in equation below (2), roofing Coefficient K is obtained final product2：
K2=(1.1/ (0.11+c2+0.04))*1.0 (2)；
According to《Public building energy design standard》Requirement, work as K2During more than 0.55, normal value is not met, otherwise meet
Numerical value specified in specification.
The checking process of the heat transfer coefficient of exterior window is as follows：
Filter E is set, the data filtering that all types are walls is out put into set L by filter E, traversal collection
The all information in L are closed, the information that type in set L is exterior wall is extracted, exterior wall is obtained in the exterior wall information extracted
Azimuth information；
The exterior wall information that orientation is east is extracted and is put into set M, the parameters of exterior wall, root in traversal set M
According to wall in revit and the mutual relations of dependence of window, it is known that the parameter information of exterior wall obtains final product each parameter information of exterior window, in exterior window
The Coefficient K of window is extracted in each parameter information31；
The exterior wall information that orientation is west is extracted and is put into set N, the parameters of exterior wall, root in traversal set N
According to wall in revit and the mutual relations of dependence of window, it is known that the parameter information of exterior wall obtains final product each parameter information of exterior window, in exterior window
The Coefficient K of window is extracted in each parameter information32；
The exterior wall information that orientation is south is extracted and is put into set O, the parameters of exterior wall, root in traversal set O
According to wall in revit and the mutual relations of dependence of window, it is known that the parameter information of exterior wall obtains final product each parameter information (ginseng of exterior window of exterior window
Number information includes heat transfer coefficient), the Coefficient K of exterior window is extracted in each parameter information of exterior window33(K33Referring to orientation is
The heat transfer coefficient of the exterior window in south)；
The exterior wall information that orientation is north is extracted and is put into set P, the parameters of exterior wall, root in traversal set P
According to wall in revit and the mutual relations of dependence of exterior window, it is known that the parameter information of exterior wall obtain final product exterior window each parameter information (exterior window
Parameter information includes heat transfer coefficient), the Coefficient K of exterior window is extracted in each parameter information of exterior window34(K34Refer to orientation
It is the heat transfer coefficient of the exterior window in north)；
According to《Public building energy design standard》Regulation, as the heat transfer coefficient (K of vertical window31、K32K33K34) it is more than 2.70
When, code requirement is not met, conversely, then meeting specification.
The heat transfer coefficient checking process of basement roof is as follows：
Filter F is set, the information of all plates is filtrated to get by filter F, extract all in the information of all plates
Elevation information, in all elevation informations for extracting, plate corresponding with grade absolute altitude P1 identical elevation informations is extracted
Out it is put into set Q, the parameters of plate in traversal set Q, by the thermal resistance value c of each plate in set Q3Extract, root
According to《Public building energy design standard》The computing formula of basement roof heat transfer coefficient is calculated in GB50189-2015, it is following public
Shown in formula (3), the Coefficient K of basement roof is obtained final product4：
K4=(1/ (0.11+c3+0.04))*1.0 (3)；
According to《Public building energy design standard》Requirement, if K4More than 0.45, then normal value is not met, otherwise then
Meet.
The shading coefficient checking process of exterior window is as follows：
Filter G is set, the data filtering that all types are walls is out put into set R by filter G, traversal collection
The all information in R are closed, the information that type in set R is exterior wall is extracted, exterior wall is obtained in the exterior wall information extracted
Azimuth information；
The exterior wall information that orientation is south is extracted and is put into set S, the parameters of exterior wall, root in traversal set S
According to wall in revit and the mutual relations of dependence of window, it is known that the parameter information of exterior wall obtains final product each parameter information of exterior window, in exterior window
That exterior window is extracted in each parameter information obtains hot coefficient S HGC；
According to《Public building energy design standard》Middle shading coefficient of external window computing formula, according to equation below (4), obtains
To the shading coefficient SC of (south elevation) exterior window：
SC=SHGC/0.889 (4)；
According to《Public building energy design standard》Requirement, if the value of shading coefficient SC be more than 0.60, conform to
Ask, it is otherwise undesirable.
The characteristics of present invention is based on the building energy conservation automatic checking method of BIM is that this method can optimize building energy efficiency examination
Scheme, improve design efficiency and quality, reduce designer workload, save plenty of time resource, reduces cost, to set
Meter unit creates more values.
Claims (8)
1. the building energy conservation automatic checking method of BIM is based on, it is characterised in that：It is included in the body built in revit softwares
, than the examination of the, shading coefficient of heat transfer coefficient, exterior window, the examination of heat transfer coefficient includes outer for shape coefficient, single vertical window and exterior wall
Wall, roofing, exterior window, basement, the heat transfer coefficient of top board are examined.
2. the building energy conservation automatic checking method based on BIM according to claim 1, it is characterised in that：Examine building
The process of Shape Coefficient is as follows：
A) the area summation S of all roofings is obtained1；
The filter condition of roofing attribute is created, all roofing elements is found in a model, all roofing element parameters that will be found
It is put into set A, the parameters of each roofing element, extract the area of each roofing element in set A in traversal set A
Parameter, the area accumulation of each roofing element of gained is sued for peace, and obtains final product the area summation S of all roofings1；
The parameter of wherein each roofing element includes：Roofing area, roofing volume, roofing coordinate, roofing thickness, roofing material；
B) the summation S of all exterior wall areas is obtained2；
First, the absolute altitude P2 on grade absolute altitude P1 and roof is obtained；
Filter A is set, the data filtering that type is absolute altitude is out put into set B by filter A, in traversal set B
All information, be that the information of the absolute altitude P2 on grade absolute altitude mark P1 and roof is extracted by type in set B；
Secondly, filter B is set, the data filtering that all types are walls is out put into set C by filter B, travel through
The all information of wall in set C, the information that type in set C is exterior wall is extracted, then is believed from all exterior walls for extracting
The absolute altitude P of exterior wall is extracted in breath；
Finally, judge whether the numerical value of the exterior wall absolute altitude P for extracting meets absolute altitude condition, absolute altitude condition is：P2 ＞ P ＞ P1,
The exterior wall data that absolute altitude condition will be met are extracted, and are put into set D, the parameters in traversal set D, in set D
The area parameters of each exterior wall are extracted, each exterior wall area accumulation of gained is sued for peace, obtain final product the summation S of all exterior wall areas2；
Wherein exterior wall data include wall face product, exterior wall volume, exterior wall thickness, exterior wall coordinate；
C) architectural volume V is sought；
First, the area S of all plate planes is obtained3；
Filter C is set, the information of all plates is filtrated to get by filter C, all absolute altitudes are extracted in the information of all plates
Information, in all elevation informations for extracting, plate corresponding with grade absolute altitude P1 identical elevation informations is extracted
It is put into set E, the parameters of plate, the area parameters of each plate in set E are extracted in traversal set E, will be all
The area accumulation summation of plate, obtains final product the area S of all plate planes3；
The parameter of wherein plate includes：The area of plate, the volume of plate, the thickness of plate；
Then, the area S of all plate planes will be obtained3With the area summation S of all roofings1It is compared, by S3With S1The two it
Between maximum and top layer absolute altitude P2 and grade absolute altitude P1 the mutually multiplied building of difference volume V；
D) the summation S of all exterior wall areas is sought2The ratio between with architectural volume V, gained ratio is the Shape Coefficient of building；According to《It is public
Common design standard for energy efficiency of buildings》GB50189-2015, when shape coefficient of building is more than 0.3, it is necessary to carry out building enclosure thermal technology
The balance of performance judges, otherwise need not.
3. the building energy conservation automatic checking method based on BIM according to claim 2, it is characterised in that：Examine single vertical
Face-port and exterior wall than process it is as follows：
Filter D is set, the data filtering that all types are walls is out put into set F by filter D, traversal set F
In all information, the information that type in set F is exterior wall is extracted, extract exterior wall information in obtain exterior wall side
Position information；
The exterior wall information that orientation is east is extracted and is put into set G, the parameters of exterior wall in traversal set G, in set G
The middle area parameters for extracting each exterior wall, according to wall in revit and the mutual relations of dependence of window, are obtaining the exterior wall that orientation is east
Also the area that orientation is the window in east is obtained while area, is all exterior wall area accumulations summation in east by the orientation of acquisition,
Obtain final product all exterior wall area summation S that orientation is east4；It is the area accumulation summation of the window in east by orientation, it is eastern to obtain final product orientation
Fenestrate area summation S5；Seek all exterior wall area summation S that orientation is east4With fenestrate area summation S5The ratio between；
The exterior wall information that orientation is west is extracted and is put into set H, the parameters of exterior wall in traversal set H, in set H
The middle area parameters for extracting each exterior wall, according to wall in revit and the mutual relations of dependence of window, are obtaining the exterior wall that orientation is west
Also the area that orientation is the window in west is obtained while area, is all exterior wall area accumulations summation in west by the orientation of acquisition,
Obtain final product all exterior wall area summation S that orientation is west6；It is the area accumulation summation of the window in west by orientation, it is western to obtain final product orientation
Fenestrate area summation S7；Seek all exterior wall area summation S that orientation is west6With fenestrate area summation S7The ratio between；
The exterior wall information that orientation is south is extracted and is put into set I, the parameters of exterior wall in traversal set I, in set I
The middle area parameters for extracting each exterior wall, according to wall in revit and the mutual relations of dependence of window, are obtaining the exterior wall that orientation is south
Also the area that orientation is the window in south is obtained while area, is all exterior wall area accumulations summation in south by the orientation of acquisition,
Obtain final product all exterior wall area summation S that orientation is south8；It is the area accumulation summation of the window in south by orientation, it is southern to obtain final product orientation
Fenestrate area summation S9；Seek all exterior wall area summation S that orientation is south8With fenestrate area summation S9The ratio between；
The exterior wall information that orientation is north is extracted and is put into set I, the parameters of exterior wall in traversal set I, in set I
The middle area parameters for extracting each exterior wall, according to wall in revit and the mutual relations of dependence of window, are obtaining the exterior wall that orientation is north
Also the area that orientation is the window in north is obtained while area, is all exterior wall area accumulations summation in north by the orientation of acquisition,
Obtain final product all exterior wall area summation S that orientation is north10；It is the area accumulation summation of the window in north by orientation, it is northern to obtain final product orientation
Fenestrate area summation S11；Seek all exterior wall area summation S that orientation is north10With fenestrate area summation S11The ratio between；
According to《Public building energy design standard》Regulation, when window and exterior wall are more than 0.7 than numerical value, not meeting design specification will
Ask, otherwise then meet.
4. the building energy conservation automatic checking method based on BIM according to claim 2, it is characterised in that：Exterior wall heat transfer system
Number K1Checking process it is as follows：
Filter E is set, the data filtering that all types are walls is out put into set J by filter E, traversal set J
In all information, the information that type in set J is exterior wall is extracted；Chosen from all exterior wall information for extracting again
Meet the exterior wall data of absolute altitude condition, absolute altitude condition is：P2 ＞ P ＞ P1, are meeting outside the exterior wall extracting data of absolute altitude condition
The thermal resistance value c of wall1, according to《Public building energy design standard》Exterior wall more than grade specified in GB50189-2015
Heat transfer coefficient formula, shown in equation below (1), obtain final product heat transfer coefficient of outer wall K1：
K1=(1.1/ (0.11+c1+0.04))*1.1 (1)；
According to《Public building energy design standard》Requirement, work as K1During more than 0.6, code requirement is not met, otherwise be to meet
's.
5. the building energy conservation automatic checking method based on BIM according to claim 2, it is characterised in that：Roofing heat transfer system
Number K2Checking process it is as follows：
The filter condition of roofing attribute is created, all roofing elements is found in a model, all roofing element parameters that will be found
It is put into set K, the parameters of each roofing element, extract the thermal resistance of each roofing element in set K in traversal set K
Value c2, according to《Public building energy design standard》The computing formula of roofing heat transfer coefficient is calculated in GB50189-2015, it is as follows
Shown in formula (2), roofing Coefficient K is obtained final product2：
K2=(1.1/ (0.11+c2+0.04))*1.0 (2)；
According to《Public building energy design standard》Requirement, work as K2During more than 0.55, normal value is not met, otherwise meet specification
Specified in numerical value.
6. the building energy conservation automatic checking method based on BIM according to claim 2, it is characterised in that：The heat transfer of exterior window
The checking process of coefficient is as follows：
Filter E is set, the data filtering that all types are walls is out put into set L by filter E, traversal set L
In all information, the information that type in set L is exterior wall is extracted, extract exterior wall information in obtain exterior wall side
Position information；
The exterior wall information that orientation is east is extracted and is put into set M, the parameters of exterior wall in traversal set M, according to
The mutual relations of dependence of wall and window in revit, it is known that the parameter information of exterior wall obtains final product each parameter information of exterior window, in each of exterior window
The Coefficient K of window is extracted in parameter information31；
The exterior wall information that orientation is west is extracted and is put into set N, the parameters of exterior wall in traversal set N, according to
The mutual relations of dependence of wall and window in revit, it is known that the parameter information of exterior wall obtains final product each parameter information of exterior window, in each of exterior window
The Coefficient K of window is extracted in parameter information32；
The exterior wall information that orientation is south is extracted and is put into set O, the parameters of exterior wall in traversal set O, according to
The mutual relations of dependence of wall and window in revit, it is known that the parameter information of exterior wall obtains final product each parameter information of exterior window, in each of exterior window
The Coefficient K of exterior window is extracted in parameter information33；
The exterior wall information that orientation is north is extracted and is put into set P, the parameters of exterior wall in traversal set P, according to
The mutual relations of dependence of wall and exterior window in revit, it is known that the parameter information of exterior wall obtains final product each parameter information of exterior window, in exterior window
The Coefficient K of exterior window is extracted in each parameter information34；
According to《Public building energy design standard》Regulation, when the Coefficient K of vertical window31、K32K33K34When being all higher than 2.70,
Code requirement is not met, conversely, then meeting specification.
7. the building energy conservation automatic checking method based on BIM according to claim 2, it is characterised in that：Basement roof
Heat transfer coefficient checking process it is as follows：
Filter F is set, the information of all plates is filtrated to get by filter F, all absolute altitudes are extracted in the information of all plates
Information, in all elevation informations for extracting, plate corresponding with grade absolute altitude P1 identical elevation informations is extracted
It is put into set Q, the parameters of plate in traversal set Q, by the thermal resistance value c of each plate in set Q3Extract, according to《It is public
Common design standard for energy efficiency of buildings》The computing formula of basement roof heat transfer coefficient, equation below (3) are calculated in GB50189-2015
It is shown, obtain final product the Coefficient K of basement roof4：
K4=(1/ (0.11+c3+0.04))*1.0 (3)；
According to《Public building energy design standard》Requirement, if K4More than 0.45, then normal value is not met, otherwise then meet.
8. the building energy conservation automatic checking method based on BIM according to claim 2, it is characterised in that：The sunshade of exterior window
Coefficient checking process is as follows：
Filter G is set, the data filtering that all types are walls is out put into set R by filter G, traversal set R
In all information, the information that type in set R is exterior wall is extracted, extract exterior wall information in obtain exterior wall side
Position information；
The exterior wall information that orientation is south is extracted and is put into set S, the parameters of exterior wall in traversal set S, according to
The mutual relations of dependence of wall and window in revit, it is known that the parameter information of exterior wall obtains final product each parameter information of exterior window, in each of exterior window
That exterior window is extracted in parameter information obtains hot coefficient S HGC；
According to《Public building energy design standard》Middle shading coefficient of external window computing formula, according to equation below (4), obtains south
The shading coefficient SC of facade exterior window：
SC=SHGC/0.889 (4)；
According to《Public building energy design standard》Requirement, if the value of shading coefficient SC be more than 0.60, meet the requirements, it is no
It is then undesirable.
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| CN108764690A (en) * | 2018-05-22 | 2018-11-06 | 山东大学 | A kind of garden type planted roof Energy efficiency evaluation method |
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| CN110309070A (en) * | 2019-06-24 | 2019-10-08 | 中建八局第一建设有限公司 | BIM model inspection and more new system based on computer language canonical algorithm |
| CN110956196A (en) * | 2019-10-11 | 2020-04-03 | 东南大学 | Automatic recognition method for window-wall ratio of urban building |
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| CN112966139A (en) * | 2021-02-26 | 2021-06-15 | 苍穹数码技术股份有限公司 | Data processing method and device, electronic equipment and computer storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108959690A (en) * | 2018-04-26 | 2018-12-07 | 西安建筑科技大学 | Buildings model window wall area based on BIM compares automatic optimization method |
| CN108959690B (en) * | 2018-04-26 | 2022-07-19 | 西安建筑科技大学 | BIM-based automatic optimization method for area ratio of window to wall of building model |
| CN108764690A (en) * | 2018-05-22 | 2018-11-06 | 山东大学 | A kind of garden type planted roof Energy efficiency evaluation method |
| CN110309070A (en) * | 2019-06-24 | 2019-10-08 | 中建八局第一建设有限公司 | BIM model inspection and more new system based on computer language canonical algorithm |
| CN110263493A (en) * | 2019-07-15 | 2019-09-20 | 李时锦 | A kind of room construction area calculation method and device based on REVIT |
| CN110956196A (en) * | 2019-10-11 | 2020-04-03 | 东南大学 | Automatic recognition method for window-wall ratio of urban building |
| CN110956196B (en) * | 2019-10-11 | 2024-03-08 | 东南大学 | Automatic recognition method for window wall ratio of urban building |
| CN112486384A (en) * | 2020-11-27 | 2021-03-12 | 万翼科技有限公司 | Picture examination processing method and related device |
| CN112966139A (en) * | 2021-02-26 | 2021-06-15 | 苍穹数码技术股份有限公司 | Data processing method and device, electronic equipment and computer storage medium |
| CN112966139B (en) * | 2021-02-26 | 2024-02-09 | 苍穹数码技术股份有限公司 | Data processing method, device, electronic equipment and computer storage medium |
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Application publication date: 20170707 |