CN114076063A

CN114076063A - Building wind energy simulation device and method based on BIM

Info

Publication number: CN114076063A
Application number: CN202010799113.8A
Authority: CN
Inventors: 曹茂庆; 贾娇娇; 曹文瑞; 马龙; 祁丽丽; 尹亚光
Original assignee: Heilongjiang College of Construction
Current assignee: Heilongjiang College of Construction
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2022-02-22
Anticipated expiration: 2040-08-11
Also published as: CN114076063B

Abstract

The invention discloses a building wind energy simulation device and method based on BIM, which comprises two symmetrically arranged two layers of building bodies, wherein a channel is connected between the top layers of the two building bodies, a cross beam is erected between the two building bodies, a wind energy generating assembly is arranged on the front end surface of the cross beam, the wind energy generating assembly is positioned at the bottom of the channel, connecting assemblies are arranged at two ends of the cross beam, each connecting assembly comprises two protective shells, the two protective shells are respectively arranged at two ends of the cross beam, the protective shells are fixed on the building bodies, a first anti-vibration pad is fixed at one end, close to the building bodies, of each protective shell, a connecting plate is fixed at the end part of the cross beam, the end part of the cross beam extends into the corresponding protective shell, the connecting plate is in contact connection with the first anti-vibration pad, a limiting block is sleeved at the outer side of the connecting plate, the limiting block is fixed on the first anti-vibration pad, and a second anti-vibration pad is sleeved at the end part of the cross beam, the invention has convenient use mode, and can realize the random switching of the work mode, greatly reduces the energy consumption and improves the utilization rate of wind energy.

Description

Building wind energy simulation device and method based on BIM

Technical Field

The invention relates to the field of energy-saving buildings, in particular to a building wind energy simulation device and method based on BIM.

Background

Wind energy refers to the kinetic energy generated by the bulk air flow at the surface of the earth. After the ground is irradiated by the sun, the air temperature changes differently and the content of water vapor in the air is different, so that the air pressure difference of each place is caused, and the high-pressure air in the horizontal direction flows to a low-pressure area, namely, wind is formed. Wind energy resources are determined by wind energy density and the cumulative hours of available wind energy per year. At present, wind power generation is vigorously developed, the national policy on energy conservation and emission reduction is met, building energy conservation and building energy consumption reduction are important problems which must be researched and solved as soon as possible in the national economic sustainable development, and the energy crisis is increasingly aggravated under the background that the total building energy consumption and the energy consumption proportion are continuously increased in China. How to apply wind energy power generation to building energy conservation is a great choice for solving the problem of building energy, and the existing energy-saving buildings cannot well utilize wind energy power generation to save energy.

Disclosure of Invention

The invention aims to provide a building wind energy simulation device and method based on BIM, which are used for solving the problems in the prior art.

In order to achieve the purpose, the invention provides the following scheme: the invention provides a building wind energy simulation device based on BIM (building information modeling), which comprises two symmetrically arranged building bodies with two layers, wherein a channel is connected between the top layers of the two building bodies, a cross beam is erected between the two building bodies, a wind energy power generation assembly is arranged on the front end surface of the cross beam, the wind energy power generation assembly is positioned at the bottom of the channel, connecting assemblies are arranged at two ends of the cross beam, and the cross beam is fixed on the building bodies through the connecting assemblies;

the connecting assembly comprises two protective housings, the two protective housings are respectively arranged at two ends of the beam, the protective housings are fixed on a building body, a first shockproof pad is fixed at one end, close to the building body, of each protective housing, the end portion of the beam extends into the protective housings and is fixed with a connecting plate, the connecting plate is in contact connection with the first shockproof pad, a limiting block is sleeved on the outer side of the connecting plate and is fixed on the first shockproof pad, a second shockproof pad is sleeved on the end portion of the beam, one end, far away from the first shockproof pad, of the connecting plate is in contact connection with the second shockproof pad, one end, far away from the connecting plate, of the second shockproof pad is in contact connection with the end face of the protective housings, and bolts are fixed among the first shockproof pad, the second shockproof pad and the connecting plate;

the rear end face of crossbeam can be dismantled and be connected with wind power measurement subassembly, the top surface of crossbeam can be dismantled and be connected with wind direction measurement subassembly, wind power measurement subassembly is used for synchronizing wind power generation component's rotational speed and measure wind strength, wind direction measurement subassembly is used for real-time detection two the wind direction that flows between the building body.

Preferably, the side of the building body is set to be an arc surface, and the top surface and the bottom surface of the building body are both of an oval structure.

Preferably, the protective housing is kept away from the one end of building body and has been seted up the opening, the opening part is fixed with the sealing washer, the tip of crossbeam stretches into opening and rigid coupling connecting plate, the tip and the sealing washer looks adaptation of crossbeam, the bolt stretches into the protective housing and fixes first antivrbration pad, second antivrbration pad and connecting plate through the sealing washer.

Preferably, the wind power measuring assembly comprises a synchronous gear, the synchronous gear is connected to the rear end face of the cross beam in a hub connection mode, a speed rotating device is installed on the synchronous gear, and the tail end of an impeller shaft of the wind power generating assembly extends out of the cross beam and is in transmission connection with a synchronous rack belt through the synchronous gear.

Preferably, the wind direction measuring assembly comprises a lead screw, a motor and a shaft seat are respectively coupled to two ends of the lead screw, the motor and the shaft seat are respectively detachably connected to the top surface of the cross beam, a sliding block is slidably connected to the lead screw, and a wind direction measuring instrument is fixed to the sliding block.

Preferably, the transducer of the sensor in the wind direction measuring instrument is a code disc and an optoelectronic component.

Preferably, the first and second shock-absorbing pads are made of butyl rubber.

A simulation method of a building wind energy simulation device based on BIM comprises the following specific steps: the method comprises the following steps of simulating construction, wherein the building body is simulated by using a BIM technology, the form of the entity of the building body is shown in advance, and the problem occurring in the actual construction process is corrected in time, when the resonance phenomenon caused by the wind action on a cross beam is involved, the phenomenon is overcome when a connecting assembly is designed, and the problem of construction period delay caused by improper design is reduced;

step two: the energy-saving design is realized by utilizing the BIM technology, adjusting the direction and the direction of a space between two buildings through wind field analysis, further accurately arranging the position of the wind power generation assembly, and then performing simulation analysis on annual energy consumption, heating and refrigerating loads and power resources required to be consumed by illumination of the buildings in the using process to predict the energy-saving effect;

step three: analyzing an optimal energy-saving design scheme of a building model selected under a typical environment of a plain; and respectively selecting an outer wall heat insulation material and a window of the building, converting and utilizing wind energy, and carrying out technical and economic comparison and analysis.

The invention discloses the following technical effects: designing each household to build two buildings, communicating the top layer through a channel, enabling the space between the two buildings and the channel to be used as a ventilation position, arranging a beam on the position, installing a wind power generation assembly on the beam, driving fan blades of the wind power generation assembly to rotate and generating power through a wind power generator in the wind power generation assembly when external wind passes through the position, supplying power to the buildings, enabling the beam to generate resonance easily through the frequent work of the external wind through the wind power generation assembly, further enabling the buildings to generate resonance, arranging a connecting assembly between the beam and the buildings, eliminating resonance to the maximum extent through two layers of shock-proof cushions in the connecting assembly, stably and fixedly connecting the beam with the buildings under the actions of the shock-proof cushions, the limiting blocks and the bolts, and providing dustproof, waterproof and anticorrosion effects on the connecting position through the protective casing, the service life of the wind power generation assembly is prolonged, the wind power generation assembly is guaranteed to stably work on the cross beam, real-time wind direction and wind power can be directly measured through the wind power measurement assembly and the wind direction measurement assembly, whether the wind power generation assembly is started to work or not is determined, the use mode is convenient and fast, the working mode can be switched randomly, the energy consumption is greatly reduced, and the utilization rate of wind power is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.

FIG. 1 is a front view of a BIM-based building wind energy simulation apparatus according to the present invention;

FIG. 2 is a rear view of the BIM-based wind energy simulation apparatus for a building according to the present invention;

FIG. 3 is a top view of the BIM-based building wind energy simulation apparatus of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 1;

FIG. 5 is a partial enlarged view of B in FIG. 2;

wherein, 1 is the building body, 2 is the passageway, 3 is the crossbeam, 4 is the wind power generation subassembly, 5 is the protective housing, 6 is first antivrbration pad, 7 is the connecting plate, 8 is the stopper, 9 is the second antivrbration pad, 10 is the bolt, 11 is the cambered surface, 12 is the opening, 13 is the sealing washer, 14 is synchronous gear, 15 is the rotational speed ware, 16 is synchronous rack belt, 17 is the lead screw, 18 is the motor, 19 is the axle bed, 20 is the slider, 21 is the wind direction measuring apparatu.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

Referring to fig. 1-5, the invention provides a building wind energy simulation device based on BIM, which comprises two symmetrically arranged building bodies 1 with two layers, wherein a channel 2 is connected between the top layers of the two building bodies 1, a beam 3 is erected between the two building bodies 1, a wind energy generating component 4 is arranged on the front end surface of the beam 3, the wind energy generating component 4 is positioned at the bottom of the channel 2, connecting components are arranged at two ends of the beam 3, and the beam 3 is fixed on the building bodies 1 through the connecting components; in this embodiment, building 1 is common two-layer room building in the village, design every household and build two building 1, and communicate the top layer through 2 passageways, be convenient for walk about, and building 1 space is big, it is suitable to live in, make the space between two building 1 and the passageway 2 as the ventilation position, set up crossbeam 3 on this position, install wind power generation subassembly 4 on crossbeam 3, when external wind passes through this position, the flabellum that drives wind power generation subassembly 4 is rotatory and generates electricity through the wind energy generator in wind power generation subassembly 4, supply power to building 1. When the wind energy is insufficient, the daily electric brake can be opened, the power supply mode can be switched at will, the power supply energy consumption is further reduced, and the wind energy utilization is improved.

The connecting assembly comprises two protective shells 5, the protective shells 5 are used for providing dustproof, waterproof and anticorrosion effects for connecting positions between the building body 1 and the crossbeam 3 and prolonging the service life, the two protective shells 5 are respectively arranged at two ends of the crossbeam 3, the protective shells 5 are fixed on the building body 1, a first shockproof pad 6 is fixed at one end, close to the building body 1, of each protective shell 5, a connecting plate 7 is fixed at the end part of the crossbeam 3, the protective shells 5 extend into the protective shells 5, the connecting plate 7 is in contact connection with the first shockproof pad 6, a limiting block 8 is sleeved at the outer side of the connecting plate 7, the limiting block 8 is fixed on the first shockproof pad 6, a second shockproof pad 9 is sleeved at the end part of the crossbeam 3, one end, far away from the first shockproof pad 6, of the connecting plate 7 is in contact connection with the second shockproof pad 9, one end, far away from the connecting plate 7, of the second shockproof pad 9 is in contact connection with the end faces of the protective shells 5, bolts 10 are fixed among the first shockproof pad 6, the second shockproof pad 9 and the connecting plate 7; opening 12 has been seted up to the one end that the building body 1 was kept away from to protective housing 5, opening 12 department is fixed with sealing washer 13, the tip of crossbeam 3 stretches into opening 12 and rigid coupling connecting plate 7, the tip and the sealing washer 13 looks adaptation of crossbeam 3, bolt 10 stretches into protective housing 5 and fixes first antivrbration pad 6, second antivrbration pad 9 and connecting plate 7 through sealing washer 13, the material of first antivrbration pad 6, second antivrbration pad 9 is butyl rubber. The external wind frequently makes crossbeam 3 produce resonance phenomenon through the work of wind energy electricity generation subassembly 4 again easily, and then makes building body 1 produce resonance phenomenon, eliminates resonance through the two-layer antivrbration pad furthest in the coupling assembling, and at antivrbration pad, stopper 8, bolt 10's effect with crossbeam 3 with building body 1 rigid coupling steadily, guarantee the sealing performance of its opening 12 department through sealing washer 13.

The rear end face of crossbeam 3 can be dismantled and be connected with wind power measurement component, the top surface of crossbeam 3 can be dismantled and be connected with wind direction measurement component, wind power measurement component is used for synchronizing wind power generation component 4's rotational speed and measure wind strength, wind direction measurement component is used for real-time detection two the wind direction of flowing between the building body 1. The wind power measuring component and the wind direction measuring component respectively adopt a simple wind power measuring instrument and a simple wind direction measuring instrument to respectively detect wind power and wind direction, the purchase of the wind speed and wind direction measuring instrument is not needed, and the use cost is reduced.

The side of the building body 1 is set to be an arc surface 11, and the top surface and the bottom surface of the building body 1 are both of an oval structure. This building body 1 'S oval long limit is 8 times of minor face, and can improve the flow of guide wind through the setting of the cambered surface 11 of side, compensates wind power generation subassembly 4' S amount of wind, can strengthen about 20% through the wind speed of this position, makes the wind that flows through be the S-shaped route through 11 guides of cambered surface and passes through, and the totality can increase 15% electric power.

The wind power measuring component comprises a synchronous gear 14, the synchronous gear 14 is connected to the rear end face of the cross beam 3 in a shaft coupling mode, a speed changer 15 is installed on the synchronous gear 14, the tail end of an impeller shaft of the wind power generating component 4 extends out of the cross beam 3 and is in transmission connection with the synchronous gear 14 to form a synchronous rack 16, the impeller shaft (namely a gardenia rod) rotates under the working state of the wind power generating component 4, the synchronous rack 16 drives the synchronous gear 14 to rotate at the same speed, the rotating speed of the synchronous gear 14 is measured through the speed changer 15, and wind power can be known through calculation.

The wind direction measuring assembly comprises a lead screw 17, a motor 18 and a shaft seat 19 are respectively connected to two ends of the lead screw 17 in a shaft connection mode, the motor 18 and the shaft seat 19 are respectively detachably connected to the top surface of the cross beam 3, a sliding block 20 is connected onto the lead screw 17 in a sliding mode, a wind direction measuring instrument 21 is fixed onto the sliding block 20, the lead screw 17 is driven by the motor 18 to rotate, the sliding block 20 moves linearly on the lead screw 17, the wind direction measuring instrument 21 is driven to move left and right on a ventilation position, the contact area between the wind direction measuring instrument and wind is increased, and detection is further accurate.

The transducer of the sensor in the wind direction measuring instrument 21 is a code disc and a photoelectric component. When the wind vane rotates along with the change of wind direction, the shaft drives the coded disc to rotate in the gap of the photoelectric assembly, the generated photoelectric signal is output corresponding to the Gray code of the wind direction at that time, and the transducer of the sensor can adopt a precise conductive plastic potentiometer, so that the variable voltage signal is output at the movable end of the potentiometer.

A simulation method of a building wind energy simulation device based on BIM comprises the following specific steps: the method comprises the following steps of simulating construction, wherein the building body 1 is simulated by using a BIM technology, the form of the entity of the building body 1 is shown in advance, and the problem occurring in the actual construction process is corrected in time, when the resonance phenomenon caused by the wind action on a cross beam 3 is involved, the phenomenon is overcome when a connecting component is designed, and the problem of construction period delay caused by improper design is reduced;

step two: the energy-saving design is realized by utilizing the BIM technology, adjusting the direction and the direction of the space between the two buildings 1 through wind field analysis, further accurately arranging the position of the wind power generation assembly 4, and then performing simulation analysis on annual energy consumption, heating and refrigerating loads and power resources required to be consumed by illumination of the buildings 1 in the using process to predict the energy-saving effect;

step three: analyzing an optimal energy-saving design scheme of a building body 1 model selected in a typical environment of a wind power station; and respectively selecting an outer wall heat insulation material and a window of the building body 1, converting and utilizing wind energy, and carrying out technical and economic comparison and analysis.

When a building body 1 model is established, acquiring the shape distribution of each member in a first BIM model and a second BIM model according to the geometric information of each member in the first BIM model and the second BIM model of the building body 1, and calculating the geometric similarity between each member in the first BIM model and each member in the second BIM model according to the shape distribution of each member in the first BIM model and the second BIM model;

registering the coordinate systems of the first BIM model and the second BIM model, and calculating the position similarity between each member in the first BIM model and each member in the second BIM model according to the position information of each member in the first BIM model and the second BIM model after registration;

and obtaining a result of component matching between the first BIM model and the second BIM model according to the geometric similarity and the position similarity of each component in the first BIM model and each component in the second BIM model, and comparing the matched components to obtain a comparison result between the first BIM model and the second BIM model.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.

Claims

1. A building wind energy simulation device based on BIM is characterized in that: the wind power generation building comprises two symmetrically arranged two layers of building bodies (1), a channel (2) is connected between the top layers of the two building bodies (1), a beam (3) is erected between the two building bodies (1), a wind power generation assembly (4) is arranged on the front end face of the beam (3), the wind power generation assembly (4) is located at the bottom of the channel (2), connecting assemblies are arranged at two ends of the beam (3), and the beam (3) is fixed on the building bodies (1) through the connecting assemblies;

the connecting assembly comprises two protective shells (5), the two protective shells (5) are respectively arranged at two ends of the beam (3), the protective shells (5) are fixed on the building body (1), one end, close to the building body (1), of each protective shell (5) is fixedly provided with a first shockproof pad (6), the end portion of the beam (3) extends into the protective shells (5) and is fixedly provided with a connecting plate (7), the connecting plate (7) is in contact connection with the first shockproof pad (6), the outer side of the connecting plate (7) is sleeved with a limiting block (8), the limiting block (8) is fixedly arranged on the first shockproof pad (6), the end portion of the beam (3) is sleeved with a second shockproof pad (9), one end, far away from the first shockproof pad (6), of the connecting plate (7) is in contact connection with the second shockproof pad (9), one end, far away from the connecting plate (7), of the second shockproof pad (9) is in contact connection with the end faces of the protective shells (5), bolts (10) are fixed among the first shockproof pad (6), the second shockproof pad (9) and the connecting plate (7);

the rear end face of crossbeam (3) can be dismantled and be connected with wind power measurement subassembly, the top surface of crossbeam (3) can be dismantled and be connected with wind direction measurement subassembly, wind power measurement subassembly is used for synchronizing the rotational speed of wind power generation subassembly (4) measures wind strength, wind direction measurement subassembly is used for real-time detection two the wind direction of flowing between the building body (1).

2. The BIM-based building wind energy simulation apparatus of claim 1, wherein: the side of the building body (1) is provided with an arc surface (11), and the top surface and the bottom surface of the building body (1) are both of an oval structure.

3. The BIM-based building wind energy simulation apparatus of claim 1, wherein: opening (12) have been seted up to the one end of keeping away from building body (1) in protective housing (5), opening (12) department is fixed with sealing washer (13), the tip of crossbeam (3) stretches into opening (12) and rigid coupling connecting plate (7), the tip and sealing washer (13) looks adaptation of crossbeam (3), bolt (10) stretch into protective housing (5) and fix first antivrbration pad (6), second antivrbration pad (9) and connecting plate (7) in proper order through sealing washer (13).

4. The BIM-based building wind energy simulation apparatus of claim 1, wherein: the wind power measuring assembly comprises a synchronizing gear (14), the synchronizing gear (14) is connected to the rear end face of the cross beam (3) in a shaft mode, a speed rotating device (15) is installed on the synchronizing gear (14), and the tail end of an impeller shaft of the wind power generating assembly (4) extends out of the cross beam (3) and is in transmission connection with the synchronizing gear (14) to form a synchronizing toothed belt (16).

5. The BIM-based building wind energy simulation apparatus of claim 1, wherein: the wind direction measuring assembly comprises a lead screw (17), a motor (18) and a shaft seat (19) are respectively connected to two ends of the lead screw (17) in a shaft mode, the motor (18) and the shaft seat (19) are respectively detachably connected to the top surface of the cross beam (3), a sliding block (20) is connected to the lead screw (17) in a sliding mode, and a wind direction measuring instrument (21) is fixed to the sliding block (20).

6. The BIM-based building wind energy simulation apparatus of claim 5, wherein: and a transducer of the sensor in the wind direction measuring instrument (21) is a code disc and a photoelectric component.

7. The BIM-based building wind energy simulation apparatus of claim 1, wherein: the first shockproof pad (6) and the second shockproof pad (9) are made of butadiene rubber.

8. A simulation method of a building wind energy simulation device based on BIM is based on the building wind energy simulation device based on BIM of claim 1, and the specific method comprises the following steps: the method comprises the following steps of simulating construction, wherein the building body (1) is simulated by using a BIM technology, the form of the entity of the building body (1) is shown in advance, and the problem occurring in the actual construction process is corrected in time, when the resonance phenomenon caused by the wind action on a cross beam (3) is involved, the phenomenon is overcome when a connecting assembly is designed, and the problem of construction period delay caused by improper design is reduced;

step two: the energy-saving design is realized, the BIM technology is used, the direction and the direction of a space between two buildings (1) are adjusted through wind field analysis, the position of the wind power generation assembly (4) is accurately arranged, and then the annual energy consumption, heating and refrigerating loads and power resources consumed by illumination of the buildings (1) in the using process are subjected to simulation analysis, so that the energy-saving effect is predicted;

step three: analyzing an optimal energy-saving design scheme of a building body (1) model selected in a typical environment of plain; and respectively selecting an outer wall heat insulation material and a window of the building body (1), converting and utilizing wind energy, and carrying out technical and economic comparison and analysis.