CN110274747A - A kind of gallery type double-layer curtain wall model in wind tunnel device of adjustable volume - Google Patents
A kind of gallery type double-layer curtain wall model in wind tunnel device of adjustable volume Download PDFInfo
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- CN110274747A CN110274747A CN201910513572.2A CN201910513572A CN110274747A CN 110274747 A CN110274747 A CN 110274747A CN 201910513572 A CN201910513572 A CN 201910513572A CN 110274747 A CN110274747 A CN 110274747A
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- 239000000463 material Substances 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
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- 239000010410 layer Substances 0.000 description 92
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/02—Wind tunnels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/08—Aerodynamic models
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Abstract
The present invention provides a kind of gallery type double-layer curtain wall model in wind tunnel device of adjustable volume, it is equipped with two layers of gallery type double-layer curtain wall in the middle, every layer of gallery type double-layer curtain wall includes outer layer curtain wall, internal layer curtain wall and the gallery between outer layer curtain wall and internal layer curtain wall, interval floor is equipped between adjacent two layers gallery type double-layer curtain wall with interval, two layers of gallery type double-layer curtain wall is arranged on basic floor；Be connected with movement mechanism on the inside of the internal layer curtain wall, the movement mechanism drive internal layer curtain wall on basic floor, interval floor horizontal movement with the spatial variations of the gallery formed between inside curtain wall and outer layer curtain wall；Through having pressure-measuring pipe to measure wind pressure in gallery on the internal layer curtain wall, the other end of the pressure-measuring pipe is connected with pressure scanning valve.The present invention provides advantageous experimental rig for research double-layer curtain wall model scale effect modification method, also finally to realize that accurate test of wind pressure pulsation between double-layer curtain wall gallery lays the foundation.
Description
Technical field
The present invention relates to the wind force proofing designs of building external shield curtain wall construction to test field, more particularly to a kind of adjustable volume
Gallery type double-layer curtain wall model in wind tunnel device.
Background technique
With the increasingly raising of building energy conservation and environmental requirement, gallery type double-layered glass facade because having good daylighting,
It divulges information and heat-insulated with sound insulation property and by more and more peripheral structures for being used as building.Gallery type double-layer curtain wall is by inside story
Gallery cavity between wall, outer curtain wall and inside and outside curtain wall is constituted.Since there are ventilation openings for the outer curtain wall surface of double-layer curtain wall, so that
While Curtain Wall wind-engaging, outer curtain wall is by the collective effect by surfaces externally and internally wind load, so as to cause the stress of double-layer curtain wall
Situation becomes sufficiently complex.For the equivalent wind action characteristic of accurate evaluation double-layer curtain wall interlayer cavity, model survey is generallyd use
The method of wind tunnel test is pressed to obtain.However, since the presence of model scale effect causes existing model wind tunnel test method to obtain
To double-layer curtain wall interlayer pulsation internal pressure response (i.e. wind pressure suffered by internal layer curtain wall) there is distortion.Existing research shows to carry out model
Scale effect amendment can be held by adjusting the inside and outside curtain wall spacing and then change model interlayer cavity of double-layer curtain wall test model
Long-pending mode is realized.For the relationship established between volume adjustment and scale effect amendment, need to carry out curtain inside and outside a large amount of differences
The wind tunnel test analysis of double-layer curtain wall model under wall spacing.Therefore, it is necessary to which it is continuously adjustable to design a kind of inside and outside curtain wall interlamellar spacing
And the double-layer curtain wall experimental rig of the real-time wind pressure force data of internal layer curtain wall can be obtained.But regrettably, currently on the market not yet
There is similar pilot model apparatus to occur.
Summary of the invention
The object of the present invention is to provide a kind of volume, continuously adjustable and internal layer curtain wall wind pressure real-time monitoring gallery type is double
Layer curtain wall flow tunnel testing device, can realize the continuous electrodeless adjustment of ectonexine curtain wall spacing and have both internal layer curtain wall wind pressure
The function of real-time monitoring lays the foundation to study the volume amendment of double-layer curtain wall test model scale effect, final to realize bilayer
The accurate evaluation of curtain wall internal pulsations wind load.
For this purpose, above-mentioned purpose of the invention can be achieved through the following technical solutions:
The technical solution adopted by the present invention is that:
A kind of gallery type double-layer curtain wall model in wind tunnel device of adjustable volume, the gallery type double-layer curtain wall of the adjustable volume
Model in wind tunnel device is equipped with two layers of gallery type double-layer curtain wall in the middle, and every layer of gallery type double-layer curtain wall includes outer layer curtain
Wall, internal layer curtain wall and the gallery between outer layer curtain wall and internal layer curtain wall are arranged between adjacent two layers gallery type double-layer curtain wall
Floor is spaced to separate, two layers of gallery type double-layer curtain wall is arranged on basic floor；The outer layer curtain of every layer of gallery type double-layer curtain wall
Face of wall is equipped with the discharge air port arranged above and below and one discharges into air port, and air outlet and its corresponding air inlet degree of lip-rounding
At staggeredly；Be connected with movement mechanism on the inside of the internal layer curtain wall, the movement mechanism drive internal layer curtain wall basic floor,
Every horizontal movement on floor with the spatial variations of the gallery formed between inside curtain wall and outer layer curtain wall；It is passed through on the internal layer curtain wall
Pressure-measuring pipe is installed with to measure wind pressure in gallery, the other end of the pressure-measuring pipe is connected with pressure scanning valve.
The present invention can also be used or be combined and adopt the following technical scheme that while using above technical scheme
Preferably, the movement mechanism includes the second connecting rod and and second connecting rod that first connecting rod and first connecting rod are hinged
Rigidly connected solid shafting, the solid shafting run through along vertical direction two floors where two layers of gallery type double-layer curtain wall and
Top, which is connected to the motor, to be connect, and to realize the automatic controllable rotary of solid shafting, is hingedly connected between the first connecting rod and internal layer curtain wall
It connects.
Preferably, two layers of gallery type double-layer curtain wall swashs on the inside of the wall opposite with inside curtain wall equipped at least one
Light displacement meter, to realize the real-time measurement and reading of internal layer curtain wall adjustable range.
Preferably, the gallery type double-layer curtain wall model in wind tunnel device of adjustable volume is arranged in the pressure scanning valve
In bottom chamber, basic floor has perforation with the corresponding position of interval floor and connects pressure to facilitate across pressure-measuring pipe and sweep
Retouch valve and internal layer curtain wall.
Preferably, pressure-measuring pipe is formed about bending segment in perforation, and L-type casing, the L shape casing are cased on the bending segment
Outer diameter not less than perforation internal diameter.
Preferably, the bottom chamber inner sidewall of the gallery type double-layer curtain wall model in wind tunnel device of adjustable volume is corresponding
Position is equipped at least a pair of of conveyer, and the conveyer is used to guarantee that pressure-measuring pipe and internal layer curtain wall to be moved synchronously and prevented due to surveying
The folding of pressure pipe and influence survey pressure precision.
Preferably, the conveyer includes two horizontal roller bearings positioned opposite, passes through between two horizontal roller bearings and surveys pressure
Pipe；The horizontal roller bearing includes solid hopkinson bar and the soft cotton material that is wrapped on the outside of solid hopkinson bar.
Preferably, it is equipped between the contact surface of the internal layer curtain wall and periphery metope and interval floor, basic floor
Elastic rubber filler, with guarantee while facilitating internal layer curtain wall to slide internal layer curtain wall and periphery metope and interval floor,
Air-tightness between the contact surface of basic floor.
The present invention provides a kind of gallery type double-layer curtain wall model in wind tunnel device of adjustable volume, has following beneficial to effect
Fruit: the continuous electrodeless adjustment of the inside and outside curtain wall spacing of gallery type double-layer curtain wall model is realized, while there is internal layer curtain wall wind pressure
The characteristics of real-time monitoring and curtain wall spacing are read in real time has provided for research double-layer curtain wall model scale effect modification method
Sharp experimental rig, also finally to realize that the accurate test of wind pressure pulsation between double-layer curtain wall gallery lays the foundation.
Detailed description of the invention
Fig. 1 is the positive facade of the gallery type double-layer curtain wall model in wind tunnel device of adjustable volume provided by the present invention
Figure.
Fig. 2 is the cross-sectional view in the direction A-A in Fig. 1.
Fig. 3 is the cross-sectional view in the direction B-B in Fig. 1.
Fig. 4 is the cross-sectional view in the direction C-C in Fig. 1.
Fig. 5 is the sectional view of horizontal roller bearing in conveyer.
Specific embodiment
The present invention is described in further detail referring to the drawings and specific embodiments.
As shown in Fig. 1 ~ 5, a kind of gallery type double-layer curtain wall model in wind tunnel device of adjustable volume, comprising: test mould
The middle part of type device is equipped with two layers of the upper and lower gallery type double-layer curtain wall.Gallery type double-layer curtain wall is by outer layer curtain wall 3 and internal layer
Curtain wall 4 forms.Air inlet 1 and air outlet 2 are had on the outer surface of outer layer curtain wall 3.Internal layer curtain wall 4, which uses, thick organic glass
Plate production simultaneously can be along building length direction sliding.Internal layer curtain wall 4 is connected by flexural pivot with a pull rod 6, pull rod 6 and pull rod 7
It is connected by flexural pivot node, pull rod 7 and a solid shafting 8 are rigidly connected, and solid shafting 8 is mounted on the center of model, and
Through two floors up and down where double-layer curtain wall, top is connected with a motor 14, drives solid shafting rotation by motor
To realize moving synchronously for upper layer and lower layer Curtain Wall 4.The back side of internal layer curtain wall 4 is connected with pressure-measuring pipe 5 to test gallery cavity
With the wind pressure on Curtain Wall surface.Pressure-measuring pipe 5 pass through L-type casing 9 and basic floor or be spaced the perforation 16 of floor 13 from
And arrival mode bottom.Pressure-measuring pipe 5 is connected by the conveyer 12 of model bottom with pressure scanning valve 11.Conveyer 12 is by two
The horizontal roller bearing 10 that level relatively rotates forms, and is rotated by roller bearing and pressure-measuring pipe movement is driven to guarantee pressure-measuring pipe and internal layer curtain wall
Move synchronously, to prevent the stacking and extruding of pressure-measuring pipe.Referring to Fig. 5, horizontal roller bearing 10 is by 18 appearance of solid core shaft
Bread is wrapped up in soft cotton material 17 and is constituted.Pressure scanning valve 11 is mounted on the bottom of model, is surveyed and being connected with pressure-measuring pipe
Obtain the wind pressure in double-layer curtain wall gallery.
In the present embodiment, the upper and lower gallery type double-layer curtain wall is positioned close to the intermediate altitude of whole building model
Area, bottom surface and top surface far from building, to guarantee the reliable and stable of external action flow field.
In the present embodiment, air inlet 1 is disposed adjacent to lower layer's floor location of every layer of gallery, and air outlet 2 is disposed adjacent to
The upper layer floor location of every layer of gallery.The inlet and outlet of same layer is alternately arranged in the horizontal direction.
In the present embodiment, internal layer curtain wall 4 to a laser displacement gauge 15 is equipped on surface model wall, to obtain in real time
The adjustable range of internal layer curtain wall.
In the present embodiment, every layer of internal layer curtain wall 4 to being equipped with L-type casing 9 on surface model wall.
In the present embodiment, every floor plate 13 is equipped with perforation 16 at position corresponding with L-type casing 9, to guarantee to survey pressure
Pipe being capable of arrival mode bottom.
In the present embodiment, the rotation direction and speed of horizontal roller bearing 10 will be according to the directions of motion of internal layer curtain wall in conveyer
It is adjusted with speed, to guarantee moving synchronously for pressure-measuring pipe and internal layer curtain wall.
In the present embodiment, with flexible rubber filling between internal layer curtain wall 4 and periphery metope and the contact surface of floor 13,
To ensure air-tightness.
In the present embodiment: first according to the common ventilation opening size of gallery type double-layer curtain wall in engineering, arrangement and corridor
Road width, and wind tunnel test buildings model is made in conjunction with certain geometry scaling factor.Using in the production of thick pmma material
Layer curtain wall 4, and in one circle resilient rubbber cushion of the surrounding of every piece of internal layer curtain wall bonding, so that it is installed in building on corresponding position
The rubber of surrounding is in impaction state afterwards.Then production technique pull rod 6, one end are connected by spherical hinge with internal layer curtain wall 4, separately
One end is connected by spherical hinge with girt 7；It in the present embodiment, is girt by the example of pull rod 6 and 7, but at it
In his embodiment, also it can be exemplified as vertical ties, and meet and form curved any form of pull rod between pull rod 6 and 7,
And these variations are fallen within the scope of protection of the present invention.Girt 7 and solid shafting 8 are rigidly connected.Pacify at the top of solid shafting 8
Fill motor.Fixed pressure-measuring pipe 5 is punched and installed on Curtain Wall 4, L-type casing 9 is installed in each floor and in the corresponding building of casing
Pressure-measuring pipe 5 is passed through casing and floor by perforation 16 at Board position, and by wearing between the roller bearing 10 of model bottom wire feeder
It crosses, is finally connected with pressure scanning valve 11.In the adjustment process of inside and outside curtain wall interfloor distance, measured by laser displacement gauge
The moving distance of internal layer curtain wall is to obtain the adjusting spacing of inside and outside curtain wall.The velocity of rotation of wire feeder roller bearing and direction are by inside story
The motion control of wall.When inside and outside curtain wall spacing increases, two roller bearings 10 relatively rotate inwardly, and work as inside and outside curtain wall spacing
When reduction, two roller bearings 10 then relatively rotate outward.Roller bearing velocity of rotation is to guarantee that pressure-measuring pipe can be synchronous with internal layer curtain wall
Movement.The present apparatus will realize the adjusting of internal layer curtain wall, inside and outside curtain wall distance measurement and internal layer curtain wall Pressure testing in wind tunnel test
Synchronous carry out.
Above-mentioned specific embodiment is used to illustrate the present invention, is merely a preferred embodiment of the present invention, rather than to this
Invention is limited, and within the spirit of the invention and the scope of protection of the claims, to any modification of the invention made, is equal
Replacement, improvement etc., both fall within protection scope of the present invention.
Claims (8)
1. a kind of gallery type double-layer curtain wall model in wind tunnel device of adjustable volume, it is characterised in that: the adjustable volume
Gallery type double-layer curtain wall model in wind tunnel device is equipped with two layers of gallery type double-layer curtain wall, every layer of gallery type bilayer curtain in the middle
Wall includes outer layer curtain wall, internal layer curtain wall and the gallery between outer layer curtain wall and internal layer curtain wall, and adjacent two layers gallery type is double-deck
Setting is spaced floor to separate between curtain wall, and two layers of gallery type double-layer curtain wall is arranged on basic floor；Every layer of gallery type bilayer
The outer layer curtain face of wall of curtain wall is equipped with the discharge air port arranged above and below and one and discharges into air port, and air outlet and its phase
The air inlet formation answered interlocks；Movement mechanism is connected on the inside of the internal layer curtain wall, the movement mechanism drives internal layer curtain wall
Horizontal movement is on basic floor, interval floor with the spatial variations of the gallery formed between inside curtain wall and outer layer curtain wall；Institute
It states through having pressure-measuring pipe to measure wind pressure in gallery on internal layer curtain wall, the other end of the pressure-measuring pipe is connected with pressure scanning valve
It connects.
2. the gallery type double-layer curtain wall model in wind tunnel device of adjustable volume according to claim 1, it is characterised in that:
The movement mechanism include first connecting rod, the second connecting rod being hinged with first connecting rod and with the rigidly connected reality of second connecting rod
Mandrel, the solid shafting run through two floors where two layers of gallery type double-layer curtain wall and top and motor phase along vertical direction
Connection, to realize the automatic controllable rotary of solid shafting, is articulated and connected between the first connecting rod and internal layer curtain wall.
3. the gallery type double-layer curtain wall model in wind tunnel device of adjustable volume according to claim 1, it is characterised in that:
Two layers of gallery type double-layer curtain wall is equipped at least one laser displacement gauge on the inside of the wall opposite with inside curtain wall, to realize
The real-time measurement and reading of internal layer curtain wall adjustable range.
4. the gallery type double-layer curtain wall model in wind tunnel device of adjustable volume according to claim 1, it is characterised in that:
The pressure scanning valve is arranged in the bottom chamber of gallery type double-layer curtain wall model in wind tunnel device of adjustable volume, basis
Floor has perforation with the corresponding position of interval floor and connects pressure scanning valve and internal layer curtain wall across pressure-measuring pipe to facilitate.
5. the gallery type double-layer curtain wall model in wind tunnel device of adjustable volume according to claim 4, it is characterised in that:
Pressure-measuring pipe is formed about bending segment in perforation, and L-type casing is cased on the bending segment, and the outer diameter of the L shape casing, which is not less than, to be worn
The internal diameter in hole.
6. the gallery type double-layer curtain wall model in wind tunnel device of adjustable volume according to claim 4 or 5, feature exist
In: the corresponding position of the bottom chamber inner sidewall of the gallery type double-layer curtain wall model in wind tunnel device of adjustable volume is equipped at least
A pair of of conveyer, the conveyer is used to guarantee pressure-measuring pipe and internal layer curtain wall moves synchronously and prevent folding due to pressure-measuring pipe and
It influences to survey pressure precision.
7. the gallery type double-layer curtain wall model in wind tunnel device of adjustable volume according to claim 6, it is characterised in that:
The conveyer includes two horizontal roller bearings positioned opposite, passes through pressure-measuring pipe between two horizontal roller bearings；The horizontal roller bearing
Including solid hopkinson bar and the soft cotton material being wrapped on the outside of solid hopkinson bar.
8. the gallery type double-layer curtain wall model in wind tunnel device of adjustable volume according to claim 1, it is characterised in that:
The internal layer curtain wall and periphery metope and interval floor, basic floor contact surface between be equipped with elastic rubber filler,
To guarantee the contact surface of internal layer curtain wall and periphery metope and interval floor, basic floor while facilitating internal layer curtain wall to slide
Between air-tightness.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910513572.2A CN110274747A (en) | 2019-06-14 | 2019-06-14 | A kind of gallery type double-layer curtain wall model in wind tunnel device of adjustable volume |
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| CN201910513572.2A CN110274747A (en) | 2019-06-14 | 2019-06-14 | A kind of gallery type double-layer curtain wall model in wind tunnel device of adjustable volume |
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