CN110346108A - A kind of visual type speed change air tunnel testing device - Google Patents
A kind of visual type speed change air tunnel testing device Download PDFInfo
- Publication number
- CN110346108A CN110346108A CN201910742108.0A CN201910742108A CN110346108A CN 110346108 A CN110346108 A CN 110346108A CN 201910742108 A CN201910742108 A CN 201910742108A CN 110346108 A CN110346108 A CN 110346108A
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- shell
- measured
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- fan
- speed change
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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
- G01M9/04—Details
-
- 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
- G01M9/06—Measuring arrangements specially adapted for aerodynamic testing
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The invention discloses a kind of visual type speed change air tunnel testing devices, its key points of the technical solution are that including shell, fan wall, cellular board, anemobiagraph and Instrument for Pressure and product to be measured, wherein shell interstitial hole is small, two is lateral opening big, similar horn shape, the both ends of shell are provided with the air outlet of trumpet type, the lower end of shell is equipped with support platform, the cellular board is placed on the interface of tubaeform air outlet, before fan wall is placed in the air outlet of shell, it is provided at the intermediate position of shell convenient for the safety door for product to be measured of taking, product position shell medium position to be measured, anemobiagraph is connected with the upper end of product to be measured, Instrument for Pressure is connected with the lower end of product to be measured.It is simple structure is reached, easy to operate, the technical effect of save the cost.
Description
Technical field
The present invention relates to a kind of Ventilation simulation experimental rigs, more specifically, it relates to which a kind of visual type speed change wind-tunnel is surveyed
Trial assembly is set.
Background technique
In the design process of ventilation equipment and part of divulging information, aerodynamics index is an important parameter, it is right
Dynamic property, economy, control stability of design object etc. have extremely important influence.Aerodynamic research mainly has
Two methods, one is using CFD approach carry out numerical simulation, it is another then be progress wind tunnel test.In wind-tunnel method,
Wind-tunnel is often used to generate the region of one section of uniform gas flow, ventilation shaft and components are simulated in this section of region not
With air drag effect suffered when wind speed size.It is costly to establish a large-scale professional wind-tunnel, the wind tunnel test period
Also longer, general company and enterprise are difficult to have the condition for carrying out wind tunnel test, go the wind-tunnel facilities of purchase profession in economy
On it is also uneconomical, therefore design that a kind of structure is simple, and the wind tunnel device for being able to satisfy enterprise demand is most important.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of visual type speed change wind tunnel test dress
It sets, the advantage of cost is simple and convenient to operate, saved with structure.
To achieve the above object, the present invention provides the following technical scheme that
A kind of visual type speed change air tunnel testing device, including shell, fan wall, cellular board, anemobiagraph and Instrument for Pressure and to be measured
Product, wherein shell interstitial hole is small, and two is lateral opening big, and similar horn shape, the both ends of shell are provided with the air outlet of trumpet type, outside
The lower end of shell is equipped with support platform, and the cellular board is placed on the interface of tubaeform air outlet, and fan wall is placed in shell
Air outlet before, be provided at the intermediate position of shell convenient for the safety door of product to be measured of taking, in the middle part of the shell of product position to be measured
Position, anemobiagraph are connected with the upper end of product to be measured, and Instrument for Pressure is connected with the lower end of product to be measured.
Further, in order to eliminate the limitation in place and the difference of product to be tested type, the shell is box-type knot
Structure is all fixed as an entirety between every section cabinet by way of welding or riveting, and the length of shell can be as needed
Install the quantity of cabinet additional.
Further, in order to which the wind for entering air outlet is more concentrated, the air outlet of casing inclined angle outwardly
Between 30 °~40 °.
Further, for the ease of people watch it is distinguished and admirable to whole process, the side of the shell is by transparent material group
At.
Further, with a big electric fan, the noise of generation is big, and energy consumption is high, both not environmentally and maintenance all
Inconvenience, thus the fan wall is arranged by one or more array fans, and fan intermediate connector is used between fan and fan
Connection, wherein fan intermediate connector is rectangular, and intermediate there are four bolts hole, and fan edge is with fan when connector is fixed on
On frame, fan edge connector as shown in the figure is the symmetrical shape in six sides, and the length of top is less than bottom edge, on fan edge connector
It is provided with bolt hole for fixing.
Further, in order to guarantee the distinguished and admirable to consistent of sucking, the wind direction of all fans flows to direction and should be consistent.
Further, the negative pressure mouth of the Instrument for Pressure is connected to the lower end of product to be measured by hose.
Further, the direction of the anemobiagraph probe is consistent with the direction that wind speed stream props up.
In conclusion the invention has the following advantages:
The device more can intuitively observe the flow direction of wind speed and the stress feelings of test product by using acrylic shell
Condition, bringing direct, convenient and appreciable visualization experience by the setting of fan wall ensure that the stability of output wind,
Maintenance is also facilitated simultaneously.At the same time, wind-tunnel is customized by as needed makes cost lower and easily fabricated, eliminates
The setting of quantity of parameters required for digital simulation and grid dividing knowledge establish a Fast simulation wind environment for architect
Platform, while can also carry out different transformations as needed, meet the requirement of enterprise, reduce costs, structure is simple, tool
The convenience of standby installation and removal.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is fan wall inner detail diagram；
Fig. 3 is wind speed probe partial view；
Fig. 4 is Instrument for Pressure connection schematic diagram；
Fig. 5 is the air flow direction figure of the device.
In figure: 1- shell；1-1- air outlet；1-2- support platform；1-3- safety door；2- fan wall；2-1- fan；2-2-
Fan intermediate connector；2-3- fan side connector；3- cellular board；4- anemobiagraph；5- Instrument for Pressure；6- product to be measured.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
A kind of visual type speed change air tunnel testing device, as shown in Figure 1, including shell 1, fan wall 2, cellular board 3, anemobiagraph
4 and Instrument for Pressure 5 and product to be measured 6, wherein 1 interstitial hole of shell is small, and two is lateral opening big, is symmetrical set, the both ends setting of shell 1
There is the air outlet 1-1 of trumpet type, the lower end of shell 1 is equipped with support platform 1-2, and the cellular board 3 is placed on tubaeform outlet air
The interface of mouth 1-1 before fan wall 2 is placed in the air outlet 1-1 of shell 1, is provided at the intermediate position of shell 1 convenient for taking
The safety door 1-3 of product 6 to be measured, 61 medium positions of shell of product to be measured, anemobiagraph 4 are connected with the upper end of product 6 to be measured, pressure
Power instrument 5 is connected with the lower end of product 6 to be measured.
Specific shell 1 is box typed structure, and one is all fixed as by way of welding or riveting between every section cabinet
A entirety, the length of shell 1 can install the quantity of cabinet additional as needed.Support platform 1-2 is installed in the lower end of shell 1,
Consider for save the cost, support platform 1-2 uses square tubes soldering, passes through non-dismountable pin and detachable in the junction of square tube
Pin connection.In order to which intuitive and convenient people watch wind conditions locating for test sample, in the middle housing two sides of shell 1 or side
It is set as the shell being made of transparent material, acrylic board, glass or other transparent materials can be selected here.The both ends of shell 1
Trumpet type is set at air outlet 1-1, and inclined angle is between 30 °~40 ° to 1 air outlet 1-1 of shell outwardly；Likewise, in order to
Convenient for product 6 to be measured of taking, it is provided at the intermediate position of shell 1 convenient for the safety door 1-3 for product 6 to be measured of taking, in order to make
The wind of entrance is more smooth, prevents the generation of cyclonic wind, places cellular board 3, honeycomb in the interface of 1 air outlet 1-1 of shell
The two sides that plate 3 can be placed in 1 air outlet 1-1 of shell can also be placed only in the side of air inlet, and 1 material selection of shell is stainless
Steel.
The fan 2-1 wall 2 can be selected by 144 2-1 gusts of fan here by one or more fan 2-1 array arrangements
Column arrangement, as shown in Fig. 2, fixed with two fan intermediate connector 2-2 with bolt and nut between fan 2-1 and fan 2-1,
Middle fan intermediate connector 2-2 be it is rectangular, it is intermediate that there are four bolt hole, fan 2-1 edge and aluminum profiles to be connected with two fan sides
Fitting 2-3 is fixed with bolt and nut.Fan as shown in the figure symmetrical shape, length of top when connector 2-3 is six are less than
Bottom edge is provided with bolt hole for fixing on the connector 2-3 of fan side, in order to reach good wind-force requirement, Suo Youfeng
It is consistent that the wind direction of fan 2-1 flows to required direction.
Specifically, as shown in figure 4, the negative pressure mouth of the Instrument for Pressure 5 is connected to the lower end of product 6 to be measured by hose.It will
Product 6 to be measured is placed on the middle part of shell 16 rest area of product to be measured, and the lower end of product 6 to be measured connects top hose, hose it is another
The negative pressure mouth of end pressure instrument 5 is connected, and when can thus measure adjustment wind-force size, measures wind pressure number caused by product 6 to be measured
According to.
The direction that the anemobiagraph 4 is popped one's head in is consistent with the direction that wind speed stream props up.In the surface shell 1 of product 6 to be measured
An aperture is opened in position, and anemobiagraph 4 is popped one's head in and is inserted into aperture, and the probe of anemobiagraph 4 is made to be located at the position of the surface of product 6 to be measured
It sets, in order to which the measurement of preparation flows into the size of the wind speed of 6 cross section of product to be measured, as shown in figure 3, by the direction of probe and wind speed
The direction of stream branch must be consistent.
Working principle is as follows: flowing air in test section as shown in figure 5, fan wall 2 generates suction to air, air is logical
Keep the wind speed inside acrylic shell 1 constant after crossing cellular board 3, is maintained at 5 to strong gale speed, the wind speed of generation acts on to be measured
In product 6, wind condition locating for test article in the case of real border is simulated by adjusting wind-force size, is measured by Instrument for Pressure 5
Wind pressure data caused by product 6 to be measured.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (8)
1. a kind of visual type speed change air tunnel testing device, it is characterised in that: including shell (1), fan wall (2), cellular board (3),
Anemobiagraph (4) and Instrument for Pressure (5), wherein shell (1) interstitial hole is small, and two is lateral opening big, similar horn shape, the both ends of shell (1)
It is provided with the air outlet (1-1) of trumpet type, the lower end of shell (1) is equipped with support platform (1-2), and the cellular board (3) is placed
In the interface of tubaeform air outlet (1-1), before fan wall (2) is placed in the air outlet (1-1) of shell (1), in shell (1)
Intermediate position is provided with convenient for the safety door (1-3) for product to be measured (6) of taking, product (6) position shell (1) medium position to be measured,
Anemobiagraph (4) is connected with the upper end of product to be measured (6), and Instrument for Pressure (5) is connected with the lower end of product to be measured (6).
2. a kind of visual type speed change air tunnel testing device according to claim 1, it is characterised in that: the shell (1) is
Box typed structure is all fixed as an entirety between every section cabinet by way of welding or riveting, and the length of shell can
Install the quantity of cabinet additional as needed.
3. a kind of visual type speed change air tunnel testing device according to claim 2, it is characterised in that: the air outlet of casing
(1-1) inclined angle is between 30 °~40 ° outwardly.
4. a kind of visual type speed change air tunnel testing device according to claim 2, it is characterised in that: the shell (1)
Side is made of transparent material.
5. a kind of visual type speed change air tunnel testing device according to claim 1, it is characterised in that: the fan wall (2)
By one or more fans (2-1) array arrangement, between fan (2-1) and fan (2-1) even with fan intermediate connector (2-2)
It connects, fan edge is fixed on frame with fan side connector (2-3).
6. a kind of visual type speed change air tunnel testing device according to claim 4, it is characterised in that: all fans (2-1)
Wind direction to flow to direction consistent.
7. a kind of visual type speed change air tunnel testing device according to claim 1, it is characterised in that: the Instrument for Pressure (5)
Negative pressure mouth the lower end of product to be measured is connected to by hose.
8. a kind of visual type speed change air tunnel testing device according to claim 1, it is characterised in that: the anemobiagraph (4)
The direction of probe is consistent with the direction that wind speed stream props up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910742108.0A CN110346108A (en) | 2019-08-13 | 2019-08-13 | A kind of visual type speed change air tunnel testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910742108.0A CN110346108A (en) | 2019-08-13 | 2019-08-13 | A kind of visual type speed change air tunnel testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110346108A true CN110346108A (en) | 2019-10-18 |
Family
ID=68184829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910742108.0A Withdrawn CN110346108A (en) | 2019-08-13 | 2019-08-13 | A kind of visual type speed change air tunnel testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110346108A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113029499A (en) * | 2021-03-26 | 2021-06-25 | 中国空气动力研究与发展中心超高速空气动力研究所 | On-site installation process of large-scale modular test section of hypersonic wind tunnel |
-
2019
- 2019-08-13 CN CN201910742108.0A patent/CN110346108A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113029499A (en) * | 2021-03-26 | 2021-06-25 | 中国空气动力研究与发展中心超高速空气动力研究所 | On-site installation process of large-scale modular test section of hypersonic wind tunnel |
| CN113029499B (en) * | 2021-03-26 | 2022-04-12 | 中国空气动力研究与发展中心超高速空气动力研究所 | On-site installation process of large-scale modular test section of hypersonic wind tunnel |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20191018 |
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| WW01 | Invention patent application withdrawn after publication |