CN103226913B - 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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- CN103226913B CN103226913B CN201310107836.7A CN201310107836A CN103226913B CN 103226913 B CN103226913 B CN 103226913B CN 201310107836 A CN201310107836 A CN 201310107836A CN 103226913 B CN103226913 B CN 103226913B
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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 architectural design technical field, more specifically, relate to a kind of auxiliary experimental equipment using artificial airflow to carry out simulant building wind environment.
Background technology
In modern building design and building course, how to safeguard that good ventilation avoids exhaust gas recirculation simultaneously outward at Indoor environment, it is the key factor of building Human Physiology comfort level, and drafting efficiency is often directly related with building energy conservation, therefore concern in the industry and attention are caused just day by day to the research of architectural wind environment.In the practice process of Teaching of Architecture, the problem of wind environment cognition, as considerable course connotation, is that student pays close attention to and one of interested direction equally.
At present wind tunnel experiment be generally to the research means of architectural wind environment or adopt computer simulation prediction.For the mode of wind-tunnel (wind tunnel) simulant building wind environment, although can Control experiment condition more exactly, but required experimental situation is larger, test apparatus is expensive, running expense is high, and experiment place is fixed, be unfavorable for teaching occasions, be therefore difficult to the wind environment simulation test purposes meeting all kinds of building; The advantage of computer simulation wind environment is dirigibility and analog functuion repeatedly, but because its modeling lacks unified believable measurement size, often cannot be applicable to the indoor and outdoor wind environment of complex building body and accurate wind speed and direction, and there is the problems such as teaching intuitive is not strong.Therefore, the analog form that searching is more perfect, be convenient to manipulation is needed badly, to realize realizing the cognition to architectural wind environment and research better in engineering design and teaching process in association area.
Summary of the invention
For above defect or the Improvement requirement of prior art, the object of the present invention is to provide a kind of auxiliary experimental equipment using artificial airflow to carry out simulant building wind environment, wherein by the design to its structure and critical component, can under certain precision all kinds of architectural wind environment of deterministic simulation perform Real-Time Monitoring, possess compact conformation, easy to use and manipulation, low cost and other advantages simultaneously.
According to the present invention, provide a kind of auxiliary experimental equipment using artificial airflow to carry out simulant building wind environment, 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 for generation of artificial airflow, and arranges the air-flow buffer space that be connected controlled with flow generator in box house one end;
The hollow box body that described air-flow experimental box is arranged vertically, it is positioned at the upside in described air-flow buffer space and coupled by flase floor, place the building model of pending wind environment simulation in air-flow experimental box, and its front as inspection surface is transparent configuration;
Described image collection cellular installation outside the transparent inspection surface of air-flow experimental box, and can move around along X-axis and Y direction, thus when air-flow is gone forward side by side into air-flow chamber from air-flow buffer space liter, takes the flow trace of air-flow.
As further preferably, described auxiliary experimental equipment also comprises computing machine or projector, and the image captured by 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 buffer space and air-flow experimental box by slot, and can be changed.
As further preferably, the top of described air-flow experimental box is provided with blower fan, to regulate the gentle row of compressing into of the air-flow velocity of air-flow experimental box inside.
As further preferably, described in be arranged on the inner one end of main box air-flow buffer space there is 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 relative to described inspection surface, and is with jug and can opens around its pivotal axis or close.
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; CCD support by perpendicular to inspection surface longitudinal carrier and the horizontal support that is parallel to inspection surface jointly form framed structure, and can to move up and down along this bracket chute; CCD camera is arranged on horizontal support and also can moves left and right along it.
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 multiple universal wheel, and is pivotally connected in its coupled position by chute between itself and air-flow experimental box.
By the above technical scheme that the present invention conceives, compared with prior art, following technological merit is mainly possessed:
1, owing to utilizing artificial airflow to carry out simulated environment air-flow, and in conjunction with its mechanical characteristic and analysis of movement, can by controlling the architectural wind environment that the attribute such as generation, density, direction of motion of air-flow come in simulating reality situation as far as possible truly, and observation and obtain the relevant information of its air motion state of reflection;
2, the flase floor by changing different gap length regulates the airshed and flow velocity that enter experimental box, and utilize the blower fan at experimental box top to control its flow velocity and air pressure, all kinds of required experiment condition can be obtained thus, expand the applicability of this auxiliary experimental equipment;
3, the image collection unit in the present invention can move freely along XYZ tri-direction of principal axis on inspection surface, is convenient to like this control the different image collection looking height and viewpoint, and obtains shooting effect accurately; In addition, main box is equipped with universal wheel and can folds with air-flow experimental box, further increases the convenience of operation thus;
4, according to experimental facilities compact overall structure of the present invention, simple to operate, and by automatic technology, realize the simulation of all kinds of architectural wind environment and monitoring with intuitive manner and ensure its precision, being thus particularly useful for architectural wind environment simulation teching or other similar purposes.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram carrying out the experimental facilities of simulant building wind environment according to utilization artificial airflow of the present invention;
Fig. 2 is the structural representation after chamber inspection surface opened by experimental facilities shown in Fig. 1;
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 for installing the schematic diagram of the different size slot of flase floor in the present invention;
Fig. 6 is the structural representation after testing equipment shown in Fig. 1 folds.
In all of the figs, identical Reference numeral is used for representing identical element or structure, wherein:
1-main box 2-flow generator socket 3-flow generator switch 4-flow generator fuel level gauge 5-universal wheel 6-PVC three-way pipe 7-PVC straight tube 8-sightingpiston 9-flase floor slot 10-fluid sealant 11-flase floor 12-bonnet 13-handle 14-pivotal axis 15-fixed slot 16-set bolt 17-case top grid 18-blower fan 19-blower fan fixed screw 20-blower fan electric wire 21-conduit 22-potentiometer 23-blower fan meets plug 24-inspection surface 28-CCD camera 29-CCD fixed head 30-bolt of fixing plate 31-bracket chute 32-pouring orifice 33-and folds knob 34-chute
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Fig. 1 is the one-piece construction schematic diagram carrying out 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 chamber inspection surface opened by experimental facilities shown in Fig. 1.As shown in Figures 1 and 2, according to constructed by the preferred embodiment of the present invention, the auxiliary experimental equipment that this utilization artificial airflow carrys out simulant building wind environment mainly comprises main box 1, air-flow experimental box and image collection unit, wherein main box 1 is in horizontally disposed body structure, its inside is equipped with the flow generator for generation of artificial airflow, and arranges the air-flow buffer space that be connected controlled with flow generator box house one end (being right-hand member shown in Fig. 1); The hollow box body that air-flow experimental box is arranged vertically, it is positioned at the upside in air-flow buffer space and coupled by flase floor, the building model of pending wind environment simulation is placed in air-flow experimental box, and its front as inspection surface (being outside plate face shown in Fig. 1) is transparent configuration, such as be glass plate; Image collection cellular installation is outside the transparent inspection surface of air-flow experimental box, and can move around along X-axis and Y direction in the plane paralleled with this inspection surface, thus when air-flow is gone forward side by side into air-flow chamber from air-flow buffer space liter, the flow trace of air-flow is taken.
More specifically, main box 1 comprises main box shell, flow generator, air-flow buffer space and some other control part.For ensureing impermeability, flow generator is built in main box 1, and its socket 2, switch 3, fuel level gauge 4 and pouring orifice 32 etc. all expose to main box shell, to manipulate.Universal wheel 5 is also equipped with in the bottom of main box 1, preferably, for flexible mobile main box.When after flow generator preheating, pressing switch will eject air-flow, and be sent to through PVC three-way pipe 6 and PVC straight tube 7 and be in the air-flow buffer space of one end.So that whether the air flow state observed in air-flow buffer space is normal, in a preferred embodiment, air-flow buffer space has transparent sightingpiston 8.
Air-flow experimental box is positioned at the upside in air-flow buffer space, is the space of testing model to be studied.The position be connected with air-flow buffer space bottom experimental box, such as flase floor slot 9 is provided with flase floor 11, and sealed by fluid sealant 10.When flase floor 11 can make smog enter experimental box by cushion space, there are uniform density, identical flow direction and speed.For the different requirements of different experiments to flase floor 11 pore size, flase floor of the present invention is preferably designed for changeable type, and can provide the flase floor of three kinds of different aperture as shown in Figure 5, carries out rapidly thus changing or carrying out contrast experiment in experimentation.Air-flow experimental box is transparent inspection surface 24 towards the front of user, and it is inner such as by fixed slot 15 and set bolt, the building model that pending wind environment is simulated is given fixed placement.
In a preferred embodiment, air-flow experimental box also has bonnet 12, and this bonnet 12 is arranged on the back side of air-flow experimental box relative to inspection surface 24, and its side is provided with pivotal axis 14, and is fixed with handle 13, can rotate like this open or close around pivotal axis 14.In another preferred embodiment, the top of described air-flow experimental box is also provided with blower fan 18, this blower fan is fixed by blower fan fixed screw 19, blower fan electric wire 20 is fixed along conduit 21, blower fan electric wire 20 there are potentiometer 22 and blower fan connect plug 23, in experimentation, regulator potentiometer 22 can change the wheel rotation speed of blower fan 18, thus for regulating the gentle row of compressing into of the air-flow velocity of air-flow experimental box inside.Experimental box case top is provided with case top grid 17, with Protection casing and blower fan 18.In addition, as shown in Figure 6, be pivotally connected in its coupled position preferably by chute 34 between main box 1 and air-flow experimental box, like this by regulating folding knob 33 whole equipment can be folded, so that storage and carrying.
As shown in Figure 1, Figure 3 and Figure 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; CCD support by perpendicular to inspection surface longitudinal carrier and the horizontal support that is parallel to inspection surface jointly form framed structure, and can to move up and down along this bracket chute; CCD camera 28 is for example arranged on horizontal support by CCD fixed head 29 and bolt of fixing plate 30, thus can along moving around about it.In addition, in experimentation, auxiliary experimental equipment also comprises computing machine or projector, and the image captured by such image collection unit can be immediately transferred to computing machine, or is play by projector.
Below by specifically describe according to auxiliary experimental equipment of the present invention concrete operations and use step:
First be the basic preparation work before experiment: experimental provision of the present invention is receiving state before not carrying out experiment, as shown in Figure 6.Experiment needs experimental provision horizontal positioned before carrying out, and regulates folding knob 33, and to move up experimental box along chute 34, with folding knob 33 for axle overturns experimental box 90 degree, experimental box fixed by rear adjustable folding knob 33, namely completes the assembling of experimental provision.First, whether the oil mass of observing display in the fuel level gauge 4 of flow generator is sufficient, adds to appropriate tobacco tar in pouring orifice 32.Secondly, open bonnet 12, close after model fixed slot 15 place fixes research model.Select suitable flase floor 11 according to research model, insert flase floor slot 9, and by real fluid sealant 10.Finally, switch on power for the socket 2 of flow generator and blower fan connect plug 23, the debugging efforts before preparing experiment.
Then be the debugging preparation effect of some necessity: still need before experiment is carried out and simply debug.First, the debugging of observation image need be carried out.Opened by computing machine, driven CCD camera 28 image collection program, debugging image is degree extremely completely clearly.Secondly, air current flow test is carried out.The switch 3 opening flow generator carries out preheating, jet button is pressed after preheating, observe that be for example chosen as can the mobility status of smog that can directly observe of naked eyes, guarantee the smog of normal injection suitable concn, and smog can enter smoke-box and experimental box smoothly, finally overflow from the case top grid 17 on experimental box top.Finally, blower fan 18 is started.Adjustment potentiometer 22 is to suitable rotating speed.
Finally performing simulation and the test of architectural wind environment: when guaranteeing that experimental apparatus can normally run, opening the collection that CCD camera 28 carries out testing image.Open flow generator switch 3, make its sustained firing artificial airflow.The mobility status through research model of air-flow is observed from inspection surface.After a period of time, when the mobility status of air-flow is basicly stable, the flow trace of air-flow can present the architectural wind environment situation of this research model qualitatively, can directly carry out gathering and montage in the shaping image of computing machine.In addition, the wind-force size of blower fan 18 can be changed by regulator potentiometer 22, or change flase floor 11 and carry out contrast experiment.This process can take dynamic image film, and the aided education also carrying out architectural design or Architecural Physics by video projection equipment as projector is applied.
Those skilled in the art will readily understand; the foregoing is only preferred embodiment of the present invention; not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. use artificial airflow to carry out an auxiliary experimental equipment for simulant building wind environment, it is characterized in that, this equipment comprises main box, air-flow experimental box and image collection unit, wherein:
Described main box (1) entirety in horizontally disposed body structure, and comprises main box shell, flow generator and air-flow cushion space, and wherein the bottom surface of this main box shell is equipped with universal wheel (5); This flow generator is built in main box, for generation of the smog that naked eyes can directly be observed; This air-flow buffer space is then arranged in one end of main box inside and has transparent sightingpiston (8), is then controllably connected with described flow generator;
The hollow box body that described air-flow experimental box is arranged vertically, it is positioned at the upside in described air-flow buffer space, and as lab space for placing the building model of pending wind environment simulation, this air-flow experimental box is transparent configuration as the front of inspection surface (24); In addition, be pivotally connected in its coupled position by chute (34) between this air-flow experimental box and described main box (1), be convenient to whole equipment to fold thus;
The top of described air-flow experimental box is provided with blower fan (18), and this blower fan (18) changes its wheel speed by potentiometer (22), regulates thus to the gentle row of compressing into of the mist flow rate of air-flow experimental box inside; In addition, the position be connected with described air-flow buffer space bottom air-flow experimental box is provided with the flase floor of changeable type, have uniform density, identical flow direction and speed when making smog enter into air-flow experimental box by air-flow buffer space thus, the Turbogrid plates be simultaneously convenient to by changing different aperture width regulate the airshed and flow velocity that enter air-flow experimental box;
Described image collection cellular installation is outside the transparent inspection surface of described air-flow experimental box, and comprise bracket chute (31), CCD support and CCD camera (28), wherein this bracket chute (31) is fixedly installed on inspection surface (24) both sides of described air-flow experimental box; This CCD support forms framed structure by the longitudinal carrier perpendicular to described inspection surface (24) jointly with the horizontal support being parallel to described inspection surface (24), and can move up and down along described bracket chute (31); This CCD camera (28) to be then arranged on described horizontal support and can along moving around about it; In this way, described image collection unit is able to move around along X-axis and Y direction in the plane paralleled with inspection surface, thus when smog is gone forward side by side into described air-flow experimental box from described air-flow buffer space liter, takes the flow trace of smog.
2. auxiliary experimental equipment as claimed in claim 1, it is characterized in that, this auxiliary experimental equipment also comprises computing machine or projector, and the image captured by described image collection unit is transferred to computing machine, or is play by projector.
3. auxiliary experimental equipment as claimed in claim 1, it is characterized in that, described air-flow experimental box also has bonnet (12), this bonnet is in the air-flow experimental box back side relative to described inspection surface (24), and this bonnet side is provided with pivotal axis (14) and is fixed with handle, can open around this pivot axis or close thus.
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| CN103473980B (en) * | 2013-09-04 | 2015-07-01 | 华中科技大学 | Experimental facility using water flow for simulating wind environment of building |
| CN104266815B (en) * | 2014-09-30 | 2017-12-01 | 中车青岛四方机车车辆股份有限公司 | High-speed train bogie cabin flow field state testing device and method |
| 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 |
| CN114530089B (en) * | 2020-12-01 | 2024-03-15 | 浙江太学科技集团有限公司 | Gap depth-adjustable fabricated building outer wall gluing training device |
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| DE3424265A1 (en) * | 1984-06-30 | 1986-01-09 | Leybold-Heraeus GmbH, 5000 Köln | Device for carrying out aeromechanical or aerodynamic tests |
| CN101436360A (en) * | 2008-12-10 | 2009-05-20 | 华中科技大学 | Assistant experiment teaching aid for space cognition and light environment simulation |
| CN102023080A (en) * | 2010-10-13 | 2011-04-20 | 北京化工大学 | Visual miniature wind tunnel test bench |
| CN202758537U (en) * | 2012-08-27 | 2013-02-27 | 温州大学 | Building wind load comprehensive experiment teaching apparatus |
| CN203179395U (en) * | 2013-03-29 | 2013-09-04 | 华中科技大学 | Auxiliary experimental device for simulating building wind environment by using artificial airflow |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH09134119A (en) * | 1995-11-07 | 1997-05-20 | Hazama Gumi Ltd | Urban area model making device for wind tunnel test |
| JP2006053029A (en) * | 2004-08-11 | 2006-02-23 | Mitsubishi Heavy Ind Ltd | Wind tunnel test device and optical measuring method using wind tunnel test device |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3424265A1 (en) * | 1984-06-30 | 1986-01-09 | Leybold-Heraeus GmbH, 5000 Köln | Device for carrying out aeromechanical or aerodynamic tests |
| CN101436360A (en) * | 2008-12-10 | 2009-05-20 | 华中科技大学 | Assistant experiment teaching aid for space cognition and light environment simulation |
| CN102023080A (en) * | 2010-10-13 | 2011-04-20 | 北京化工大学 | Visual miniature wind tunnel test bench |
| CN202758537U (en) * | 2012-08-27 | 2013-02-27 | 温州大学 | Building wind load comprehensive experiment teaching apparatus |
| CN203179395U (en) * | 2013-03-29 | 2013-09-04 | 华中科技大学 | Auxiliary experimental device for simulating building wind environment by using artificial airflow |
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