CN103226913A - Auxiliary experimental equipment for simulating wind environment of building by using artificial air stream - Google Patents
Auxiliary experimental equipment for simulating wind environment of building by using artificial air stream Download PDFInfo
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- CN103226913A CN103226913A CN2013101078367A CN201310107836A CN103226913A CN 103226913 A CN103226913 A CN 103226913A CN 2013101078367 A CN2013101078367 A CN 2013101078367A CN 201310107836 A CN201310107836 A CN 201310107836A CN 103226913 A CN103226913 A CN 103226913A
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Abstract
The invention discloses auxiliary experimental equipment for simulating a wind environment of a building by using an artificial air stream. The auxiliary experimental equipment comprises a main tank body, an air stream experimental tank and an image acquisition unit, wherein the main tank body is equipped with an air stream generator for generating the artificial air stream; an air stream buffer space which is communicated with the air stream generator in a controllable manner is arranged at one end inside the tank body; the air stream experimental tank is positioned on the upper side of the air stream buffer space and is connected with the air stream buffer space through a grating plate; a building model to be subjected to simulation of the wind environment is placed in the air stream experimental tank; the air stream experimental tank is provided with a transparent observation surface; and the image acquisition unit is mounted on the outer side of the observation surface of the air stream experimental tank and can be moved along the directions of X axis and Y axis. Therefore, when air stream enters the air stream experimental tank, the image acquisition unit shoots the flowing track of the air stream. According to the auxiliary experimental equipment disclosed by the invention, various wind environments of the buildings can be qualitatively simulated and monitored in real time; and meanwhile, the auxiliary experimental equipment has the advantages of compact structure, convenience for use and control, low cost and the like, so that the auxiliary experimental equipment is especially suitable for simulation teaching of the winding environment of the building or other similar application.
Description
Technical field
The invention belongs to the architectural design technical field, more specifically, relate to a kind of assistant experiment equipment that uses artificial airflow to come the simulant building wind environment.
Background technology
In modern building design and building course, how safeguard that in the buildings indoor and outdoor good ventilation avoids exhaust gas recirculation simultaneously, it is the key factor of building the Human Physiology comfort level, therefore and drafting efficiency is often directly related with building energy conservation, the research of building wind environment is caused in the industry concern and attention just day by day.In architectural design Practice on Teaching process, the problem of wind environment cognition is that the student pays close attention to also one of interested direction as considerable course connotation equally.
Research means to the building wind environment is generally wind tunnel experiment or adopts the computer simulation prediction at present.Mode for wind-tunnel (wind tunnel) simulant building wind environment, though can control test condition more exactly, but required experimental situation is bigger, test apparatus costliness, running expense height, and experiment fixed-site, be unfavorable for teaching occasions, therefore be difficult to satisfy the wind environment simulation test purposes of all kinds of buildings; The advantage of computer simulation wind environment is dirigibility and analog functuion repeatedly, but because its modeling lacks unified believable measurement size, often can't be applicable to the indoor and outdoor wind environment and the accurate wind speed and direction of complicated building shape, and have problems such as the teaching intuitive is not strong.Therefore, need the analog form that searching is more perfect, be convenient to control badly, so that be implemented in the cognitive and research that realizes better in engineering design and the teaching process the building wind environment in association area.
Summary of the invention
Above defective or improvement demand at prior art, the object of the present invention is to provide a kind of assistant experiment equipment that uses artificial airflow to come the simulant building wind environment, wherein pass through its structure and design of key components, can be under certain precision all kinds of building wind environments of deterministic simulation and carry out monitoring in real time, possess simultaneously compact conformation, easy to use and control, low cost and other advantages.
According to the present invention, a kind of assistant experiment equipment that uses artificial airflow to come the simulant building wind environment is provided, it is characterized in that this equipment comprises main box, air-flow experimental box and image collection unit, wherein:
Described main box is horizontally disposed body structure, and it is equipped with the flow generator that is used to produce artificial airflow, and at the controlled air-flow cushion space that is connected of box house one end setting and flow generator;
Described air-flow experimental box is the hollow box body of vertical layout, it is positioned at the upside of described air-flow cushion space and passes through flase floor coupled, place the building model of pending wind environment simulation in the air-flow experimental box, and its front as inspection surface is a transparent configuration;
Described image collection unit is installed in the transparent inspection surface outside of air-flow experimental box, and can move around along X-axis and Y direction, thus when air-flow from the rising of air-flow cushion space and when entering the air-flow chamber, the flow trace of air-flow is taken.
As further preferably, described assistant experiment equipment also comprises computing machine or projector, and the captured image in described image collection unit is transferred to computing machine, or is play by projector.
As further preferably, described flase floor is arranged between air-flow cushion space and the air-flow experimental box by slot, and can be changed.
As further preferably, the top of described air-flow experimental box is equipped with blower fan, so that the gentle row of compressing into of the air-flow velocity of air-flow experimental box inside is regulated.
As further preferably, the described air-flow cushion space that is arranged on the inner end of main box has sightingpiston, and this sightingpiston is transparent.
As further preferably, described air-flow experimental box also has bonnet, and this bonnet is arranged on the back side of air-flow experimental box with respect to described inspection surface, and has handle and can open or close around its pivotal axis.
As further preferably, described image collection unit comprises bracket chute, CCD support and CCD camera, and wherein bracket chute is fixedly installed on the both sides of air-flow chamber inspection surface; The CCD support by perpendicular to inspection surface longitudinal carrier and the horizontal support that is parallel to inspection surface constitute framed structure jointly, and can move up and down along this bracket chute; The CCD camera is arranged on also can be along its move left and right on the horizontal support.
As further preferably, the smog that the naked eyes that described artificial airflow is behaved can directly be observed.
As further preferably, the bottom of described main box is equipped with a plurality of universal wheels, and pivotally links in its coupled position by chute between itself and the air-flow experimental box.
By the above technical scheme that the present invention conceived, compared with prior art, mainly possess following technological merit:
1, owing to utilizes artificial airflow to come the simulated environment air-flow, and in conjunction with its mechanical characteristic and characteristics of motion analysis, can come the building wind environment under the simulating reality situation as far as possible truly by the attributes such as generation, density, direction of motion of control air-flow, and observation and obtain the relevant information of its air motion state of reflection;
2, regulate airshed and the flow velocity that enters experimental box by the flase floor of changing different gap lengths, and the blower fan that utilizes the experimental box top is controlled its flow velocity and air pressure, can obtain all kinds of required experiment conditions thus, enlarge the applicability of this assistant experiment equipment;
3, the image collection unit among the present invention can move freely along XYZ three direction of principal axis on inspection surface, is convenient to like this control the image collection that difference is looked high and viewpoint, and obtains shooting effect accurately; In addition, main box is equipped with universal wheel and can folds with the air-flow experimental box, has further improved the convenience of operation thus;
4, according to experimental facilities compact overall structure of the present invention, simple to operate, and can pass through automatic technology, realize the simulation and the monitoring of all kinds of building wind environments and guarantee its precision with intuitive manner, thereby be particularly useful for building wind environment simulation teching or other similar purposes.
Description of drawings
Fig. 1 is the one-piece construction synoptic diagram that comes the experimental facilities of simulant building wind environment according to utilization artificial airflow of the present invention;
Fig. 2 is the structural representation after experimental facilities shown in Fig. 1 is opened the chamber inspection surface;
Fig. 3 is the side view of experimental facilities shown in Fig. 1;
Fig. 4 is the cut-open view of experimental facilities shown in Fig. 1;
Fig. 5 is the synoptic diagram that is used to install the different size slot of flase floor among the present invention;
Fig. 6 is the structural representation after testing equipment shown in Fig. 1 folds.
In institute's drawings attached, identical Reference numeral is used for representing components identical or structure, wherein:
1 - the main casing 2 - flow generator socket 3 - flow generator switch 4 - flow generator fuel gauge 5 - Caster 6-PVC tee 7-PVC straight pipe 8 - observed surface 9 - Grating slot 10 - sealant 11 - grille plate 12 - rear housing 13 - handles 14 - pivot axis 15 - fixed slot 16 - fixing bolts 17 - tank top grill 18 - fan 19 - fan screw 20 - fans wire 21 - wire tube 22 - potentiometer 23 - fan electrical connection plug 24 - observations face 28-CCD camera 29-CCD fixed plate 30 - fixing plate bolt 31 - bracket chute 32 - oiling port 33 - folding knob 34 - chute
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Fig. 1 is the one-piece construction synoptic diagram that comes the experimental facilities of simulant building wind environment according to utilization artificial airflow of the present invention, and Fig. 2 is the structural representation after experimental facilities shown in Fig. 1 is opened the chamber inspection surface.As shown in Fig. 1 and Fig. 2, according to the constructed ground of preferred implementation of the present invention, this utilization artificial airflow comes the assistant experiment equipment of simulant building wind environment mainly to comprise main box 1, air-flow experimental box and image collection unit, wherein main box 1 is horizontally disposed body structure, its inside is equipped with the flow generator that is used to produce artificial airflow, and is provided with and the controlled air-flow cushion space that is connected of flow generator at box house one end (being right-hand member shown in Fig. 1); The air-flow experimental box is the hollow box body of vertical layout, it is positioned at the upside of air-flow cushion space and passes through flase floor coupled, place the building model of pending wind environment simulation in the air-flow experimental box, and its front as inspection surface (being outside plate face shown in Fig. 1) is transparent configuration, is glass plate for example; The image collection unit is installed in the transparent inspection surface outside of air-flow experimental box, and can with plane that this inspection surface parallels in move around along X-axis and Y direction, thus when air-flow when the air-flow cushion space rises and enter the air-flow chamber, the flow trace of air-flow is taken.
More specifically, main box 1 comprises main box shell, flow generator, air-flow cushion space and some other control part.For guaranteeing impermeability, flow generator is built in the main box 1, and its socket 2, switch 3, fuel level gauge 4 and pouring orifice 32 etc. all expose to the main box shell, so that control.In the bottom of main box 1, universal wheel 5 preferably also is equipped with, be used for flexible mobile main box.After the flow generator preheating, press switch and will eject air-flow, and be sent in the air-flow cushion space that is in an end through PVC three-way pipe 6 and PVC straight tube 7.So that whether the air flow state of observing in the air-flow cushion space is normal, in a preferred implementation, the air-flow cushion space has transparent sightingpiston 8.
The air-flow experimental box is positioned at the upside of air-flow cushion space, is to treat the space that the model of research experimentizes.Position in that the experimental box bottom links to each other with the air-flow cushion space for example is provided with flase floor 11 by flase floor slot 9, and is sealed by fluid sealant 10.When flase floor 11 can make smog enter experimental box by cushion space, uniform density, identical flow direction and speed are arranged.At the different requirements of different experiments to flase floor 11 pore sizes, flase floor of the present invention is preferably designed for changeable type, and the flase floor of three kinds of different aperture can be provided as shown in Figure 5, changes or compare experiment thus in experimentation rapidly.The air-flow experimental box is transparent inspection surface 24 towards user's front, and its inner building model of for example by fixed slot 15 and set bolt pending wind environment being simulated gives fixed placement.
In a preferred implementation, the air-flow experimental box also has bonnet 12, and this bonnet 12 is arranged on the back side of air-flow experimental box with respect to inspection surface 24, and its side is provided with pivotal axis 14, and is fixed with handle 13, can rotate around pivotal axis 14 like this and open or close.In another preferred embodiment, the top of described air-flow experimental box also is equipped with blower fan 18, this blower fan can be fixing by blower fan fixed screw 19, blower fan electric wire 20 is fixing along conduit 21, there are potentiometer 22 and blower fan to connect plug 23 on the blower fan electric wire 20, regulator potentiometer 22 can change the wheel rotation speed of blower fan 18 in the experimentation, is used for thus the gentle row of compressing into of the air-flow velocity of air-flow experimental box inside is regulated.Experimental box case top is provided with case top grid 17, with protection experiment casing and blower fan 18.In addition, as shown in Figure 6, preferably pivotally link in its coupled position between main box 1 and the air-flow experimental box, entire equipment can be folded by regulating folding knob 33 like this, so that take in and carry by chute 34.
As shown in Fig. 1, Fig. 3 and Fig. 4, described image collection unit comprises bracket chute 31, CCD support and CCD camera 28, and wherein bracket chute 31 is fixedly installed on the both sides of air-flow chamber inspection surface 12; The CCD support by perpendicular to inspection surface longitudinal carrier and the horizontal support that is parallel to inspection surface constitute framed structure jointly, and can move up and down along this bracket chute; CCD camera 28 for example is arranged on the horizontal support by CCD fixed head 29 and bolt of fixing plate 30, can move around about it thus.In addition, in experimentation, assistant experiment equipment also comprises computing machine or projector, and the captured image in image collection unit can be given computing machine by instantaneous transmission like this, or is play by projector.
To specifically describe concrete operations and use step below according to assistant experiment equipment of the present invention:
At first be the basic preparation work before the experiment: experimental provision of the present invention is receiving state before not experimentizing, as shown in Figure 6.Needing the experimental provision horizontal positioned before experiment is carried out, regulate folding knob 33, along chute 34 experimental box that moves up, serve as that an axle upset experimental box 90 is spent with folding knob 33, and back adjustable folding knob 33 is experimental box fixedly, promptly finishes the assembling of experimental provision.At first, whether the oil mass that shows in the fuel level gauge 4 of observation flow generator is sufficient, adds to an amount of tobacco tar in pouring orifice 32.Secondly, open bonnet 12, close after fixing research model in model fixed slot 15 places.Select suitable flase floor 11 according to research model, insert flase floor slot 9, and by real fluid sealant 10.At last, socket 2 and the blower fan for flow generator connects plug 23 energized, the debugging work before the preparing experiment.
Then be the debugging preparation effect of some necessity: before experiment is carried out, still need and simply debug.At first, need observe and learn the image debugging by experience.Computing machine is opened, driven CCD camera 28 image collection programs, the debugging image is degree extremely fully clearly.Secondly, carry out the air current flow test.The switch 3 of opening flow generator carries out preheating, after finishing, preheating presses jet button, but observe the mobility status that for example is chosen as the smog that naked eyes can directly observe, guarantee the smog of normal injection suitable concn, and smog can enter smoke-box and experimental box smoothly, and finally the case top grid 17 from the experimental box top overflows.At last, start blower fan 18.Adjust potentiometer 22 to suitable rotating speed.
Carry out the simulation and the test of building wind environment at last: guaranteeing under the situation that experimental apparatus can normally move, opening the experimentize collection of image of CCD camera 28.Open flow generator switch 3, make its sustained firing artificial airflow.From inspection surface observe air-flow through research model the time mobility status.After a period of time, when treating that the mobility status of air-flow is basicly stable, the flow trace of air-flow can present the building wind environment situation of this research model qualitatively, can directly gather and montage in the shaping image of computing machine.In addition, can regulator potentiometer the 22 wind-force sizes that change blower fans 18, perhaps change flase floor 11 and compare experiment.This process can be taken dynamic image film, also can carry out the aided education application of architectural design or Architecural Physics by image projecting equipment such as projector.
Those skilled in the art will readily understand; the above only is preferred embodiment of the present invention; not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. an assistant experiment equipment that uses artificial airflow to come the simulant building wind environment is characterized in that, this equipment comprises main box, air-flow experimental box and image collection unit, wherein:
Described main box is horizontally disposed body structure, and it is equipped with the flow generator that is used to produce artificial airflow, and at the controlled air-flow cushion space that is connected of box house one end setting and flow generator;
Described air-flow experimental box is the hollow box body of vertical layout, it is positioned at the upside of described air-flow cushion space and passes through flase floor coupled, place the building model of pending wind environment simulation in the air-flow experimental box, and its front as inspection surface is a transparent configuration;
Described image collection unit is installed in the transparent inspection surface outside of air-flow experimental box, and can move around along X-axis and Y direction, thus when air-flow from the rising of air-flow cushion space and when entering the air-flow chamber, the flow trace of air-flow is taken.
2. equipment as claimed in claim 1 is characterized in that, described assistant experiment equipment also comprises computing machine or projector, and the captured image in described image collection unit is transferred to computing machine, or is play by projector.
3. equipment as claimed in claim 1 or 2 is characterized in that, described flase floor is arranged between air-flow cushion space and the air-flow experimental box by slot, and can be changed.
4. as any described equipment of claim 1-3, it is characterized in that the top of described air-flow experimental box is equipped with blower fan, so that the gentle row of compressing into of the air-flow velocity of air-flow experimental box inside is regulated.
5. equipment as claimed in claim 4 is characterized in that, the described air-flow cushion space that is arranged on the inner end of main box has sightingpiston, and this sightingpiston is transparent.
6. as any described equipment of claim 1-5, it is characterized in that described air-flow experimental box also has bonnet, this bonnet is arranged on the back side of air-flow experimental box with respect to described inspection surface, and has handle and can open or close around its pivotal axis.
7. as any described equipment of claim 1-6, it is characterized in that described image collection unit comprises bracket chute, CCD support and CCD camera, wherein bracket chute is fixedly installed on the both sides of air-flow chamber inspection surface; The CCD support by perpendicular to inspection surface longitudinal carrier and the horizontal support that is parallel to inspection surface constitute framed structure jointly, and can move up and down along this bracket chute; The CCD camera is arranged on also can be along its move left and right on the horizontal support.
8. as any described equipment of claim 1-7, it is characterized in that the smog that described artificial airflow preferably can directly be observed for people's naked eyes.
9. as any described equipment of claim 1-8, it is characterized in that the bottom of described main box is equipped with a plurality of universal wheels, and pivotally link in its coupled position by chute between itself and the air-flow experimental box.
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| CN201310107836.7A CN103226913B (en) | 2013-03-29 | 2013-03-29 | Auxiliary experimental equipment for simulating wind environment of building by using artificial air stream |
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| CN201310107836.7A CN103226913B (en) | 2013-03-29 | 2013-03-29 | Auxiliary experimental equipment for simulating wind environment of building by using artificial air stream |
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| CN103226913B CN103226913B (en) | 2015-04-15 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103473980A (en) * | 2013-09-04 | 2013-12-25 | 华中科技大学 | Experimental facility using water flow for simulating wind environment of building |
| CN104266815A (en) * | 2014-09-30 | 2015-01-07 | 南车青岛四方机车车辆股份有限公司 | Device and method for testing state of flow field in high speed train bogie cabin |
| CN107911975A (en) * | 2017-12-18 | 2018-04-13 | 无锡优耐特能源科技有限公司 | A kind of removable electric cabinet frame work |
| CN109473003A (en) * | 2018-10-31 | 2019-03-15 | 大连函量科技发展有限公司 | A kind of integration type intelligent education machine |
| CN114530090A (en) * | 2020-12-01 | 2022-05-24 | 浙江太学科技集团有限公司 | Can confirm to beat assembly type structure outer wall of gluing closely knit degree and glue real standard device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114530090A (en) * | 2020-12-01 | 2022-05-24 | 浙江太学科技集团有限公司 | Can confirm to beat assembly type structure outer wall of gluing closely knit degree and glue real standard device |
| CN114530090B (en) * | 2020-12-01 | 2023-12-22 | 浙江太学科技集团有限公司 | Building outer wall gluing training device capable of determining gluing compactness |
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