CN2767986Y - Wind tunnel testing device - Google Patents
Wind tunnel testing device Download PDFInfo
- Publication number
- CN2767986Y CN2767986Y CN 200520003372 CN200520003372U CN2767986Y CN 2767986 Y CN2767986 Y CN 2767986Y CN 200520003372 CN200520003372 CN 200520003372 CN 200520003372 U CN200520003372 U CN 200520003372U CN 2767986 Y CN2767986 Y CN 2767986Y
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- rotating disk
- nozzle
- wind tunnel
- test device
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- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The utility model relates to a wind tunnel testing device which comprises an air blowing section, an upstream honeycomb screen section, a flow meter section, a downstream honeycomb screen section and a fan section to be tested, wherein the flow meter section is provided with a fixing plate and a turntable. The fixing plate is provided with a plurality of nozzles with different sizes and specifications, and the turntable is provided with a perforation. The turntable is driven to rotate, and the perforation is positioned on the selected the nozzles.
Description
Technical field
The utility model is about a kind of wind tunnel test device, refers to a kind of wind tunnel test device that need not additionally set up the nozzle stopper especially.
Background technology
The general traditional fan or the manufacturer of other pressure fans, the very simple and crude airduct of the normal use of the fan performance measurement mechanism of being set up, only can measure the air quantity and the static pressure of fan, and be refinement really develop in addition one the cover set up an iron sheet system wind-tunnel according to the AMCA210 standard, but this wind-tunnel subentry air type design (Inlet Chamber) and outlet air formula design (Outlet Chamber) are with the test of the system impedance curve that carries out suction-type and blowing-type fan performance curve and heat radiator.
Please refer to Fig. 4, be to show existing wind tunnel test schematic representation of apparatus, should have wind tunnel test device 200 now, comprise: air-supply section 6, upstream rectifying barrier section 7, flowmeter section 8, downstream screens section 9 and fan section 10 to be measured, wherein said air-supply section 6 peripheral hardwares one pressure fan, and the rectification mesh purpose area ratio of 7 sections in described upstream rectifying barrier and downstream screens section 9 is followed successively by 60% with flow direction is thin to close, 57%, 54%, and described flowmeter section 8 has the fixed head 80 of the plural nozzle 81 of an installing, shown in Fig. 5 A and Fig. 5 B, this plural number nozzle 81 is provided with the design of different size specifications according to standard, and this each nozzle 81 all is provided with a stopper 82, in order to clog described nozzle 81, and make described nozzle 81 form closing state, and when the fan of test one specification, cooperate to select the nozzle 81 of suitable this fan specification, and the stopper on this nozzle 81 taken out, only make this nozzle 81 present the state of opening, again by wind being imported described air-supply section 8 by a pressure fan (figure does not show), and it is average by the smooth wind-force of pressure fan being sent into by the screens of described upstream rectifying barrier section 7 that makes of wind, again with average wind-force via this nozzle of opening 81, produce a pressure reduction, with the performance of test fan.
So, though above-mentioned existing wind tunnel test device can reach the performance that will record fan, but when choosing suitable nozzle, need to take out the stopper of this suitable nozzle in the fan of each survey different size, and when surveying the fan of next different size again, need the nozzle stopper that last time is selected to get back into nozzle, and the stopper that this is suitable takes off, to test the mode that this kind all need be got back into and take off in each test, not only loaded down with trivial details and cause operating personnel's inconvenience, remain in fact to be improved.
The utility model content
The purpose of this utility model is to provide a kind of wind tunnel test device that must additionally not set up the nozzle stopper, by since the installing nozzle fixed head on a side establish a rotating disk, and this rotating disk is provided with a perforation, when running, choose required nozzle, and utilize a rotating shaft to drive the control rotating disk, and make perforation on this rotating disk be positioned location, desired nozzle place and test.
The wind tunnel test device that achieves the above object, comprise: air-supply section, upstream rectifying barrier section, flowmeter section, downstream screens section and fan section to be measured, its feature exists: described flowmeter section is provided with a fixed head and rotating disk, this fixed head is provided with the nozzle of a plurality of different size specifications, and described rotating disk is to place a side of described fixed head and be provided with a perforation, by by selecting required nozzle, and rotates rotating disk, make this perforation produce displacement, and be positioned to selected nozzle.
Preferably, further comprise a rotating shaft, this rotating shaft is to be located on the described rotating disk, is driven by a step motor, to rotate described rotating disk.
Preferably, described rotating disk has airtight design, combines closely so that make with described fixed head.
Preferably, the rectification mesh purpose area ratio of described upstream rectifying barrier section and downstream screens section is dredged with flow direction and is followed successively by 60%, 57%, 54% to close.
Description of drawings
Fig. 1 is the utility model wind tunnel test schematic representation of apparatus;
Fig. 2 A is the synoptic diagram of the rotating disk of the utility model wind tunnel test device;
Fig. 2 B is the sectional view by Fig. 2 A line X-X;
Fig. 3 A is the rotating disk action diagram of the utility model wind tunnel test device;
Fig. 3 B is the rotating disk synoptic diagram of the utility model wind tunnel test device;
Fig. 3 C is the sectional view by Fig. 3 B line Y-Y;
Fig. 4 is existing wind tunnel test schematic representation of apparatus;
Fig. 5 A is the synoptic diagram of the fixed head that is provided with plural nozzle of existing wind tunnel test device;
Fig. 5 B is the sectional view by Fig. 5 A line Z-Z.
Embodiment
Though the utility model will be consulted and contain the appended graphic of the utility model preferred embodiment and fully describe, it is described herein novel to should be appreciated that before this describes the personage who is familiar with one's own profession can revise, and obtains effect of the present utility model simultaneously.Therefore, must understand following description to the personage that is familiar with one's own profession skill and Yan Weiyi discloses widely, and its content does not lie in restriction the utility model.
Please refer to Fig. 1, is to show the utility model wind tunnel test schematic representation of apparatus.The utility model wind tunnel test device 100, comprise: air-supply section 1, upstream rectifying barrier section 2, flowmeter section 3, downstream screens section 4 and fan section 5 to be measured, wherein said air-supply section 1 peripheral hardware one pressure fan (figure does not show), and described flowmeter section 3 is provided with a fixed head 30 and rotating disk 31.
Please continue also to cooperate with reference to figure 2A and Fig. 2 B with reference to figure 1, it is the rotating disk synoptic diagram that shows the utility model wind tunnel test device, the rectification mesh purpose area ratio of described upstream rectifying barrier section 2 and downstream screens section 4 is dredged with flow direction and is followed successively by 60% to close, 57%, 54%, and described fixed head 30 is provided with the nozzle 32 of a plurality of different size specifications, this nozzle 32 is designed according to the design specification of international standard, be respectively nozzle 32a, nozzle 32b, nozzle 32c, nozzle 32d, nozzle 32e and nozzle 32f, and described rotating disk 31 is sides that place described fixed head 30, and have a rotating shaft 33 on the described rotating disk 31 and bore a hole 34, this rotating shaft 33 is by driving described rotating disk 31 by a step motor (figure does not show), and rotating disk 31 is rotated, should perforation 34 produce displacement simultaneously, and be positioned to selected nozzle 32.
Please continue also to cooperate with reference to figure 3A to Fig. 3 C with reference to figure 2A and Fig. 2 B, it is the action diagram that shows the utility model wind tunnel test device, when desire is tested the fan of a specification, at first select to cooperate the nozzle 32 of the required specification of fan, for example selected nozzle is nozzle 32e, then this moment, 31 of rotating disks were by moving a g distance by the past the place ahead of a pneumatic cylinder (figure does not show), form a g distance between fixed head and rotating disk and make, as shown in Figure 3A, and pass through again by the described rotating disk 31 of described motor driven, and described rotating disk 31 is rotated, the perforation 34 of described rotating disk 31 simultaneously produces and is moved to selected nozzle 32e, and utilize rotating disk 31 to have airtight design and be positioned selected nozzle 32e, shown in Fig. 3 B, can pass through fluid because of the only described nozzle 32e of the airtight design of described rotating disk this moment, all the other nozzle 32a, 32b, 32c, 32d, 32f then can't pass through fluid, shown in Fig. 3 C, and again by wind being imported described air-supply section 1 by a pressure fan, and it is average by the smooth wind-force of pressure fan being sent into by the screens of described upstream rectifying barrier section 2 that makes of wind, again with the nozzle 32e of average wind-force via described rotating disk 31 location, produce a pressure reduction, with the performance of test fan; If when desiring to test the fan of another different size again, after then also selecting to cooperate the nozzle 32 of the required specification of fan, by by the described rotating disk 31 of described motor driven, and described rotating disk 31 is rotated, the perforation 34 of described rotating disk 31 simultaneously produces and is moved to selected nozzle 32, and utilize rotating disk 31 to have airtight design and be positioned selected nozzle 32, again by wind being imported described air-supply section 1 by a pressure fan, and it is average by the smooth wind-force of pressure fan being sent into by the screens of described upstream rectifying barrier section 2 that makes of wind, again with the nozzle 32 of average wind-force via described rotating disk 31 location, produce a pressure reduction, with the performance of test fan, promptly finish the utility model wind tunnel test device.
After describing preferred embodiment of the present utility model in detail, being familiar with this technology personage can clearly understand, can carry out various variations and modification not breaking away under claim and the spirit, and the utility model also is not subject to the embodiment of illustrated embodiment in the instructions.
Claims (4)
1. wind tunnel test device, comprise: air-supply section, upstream rectifying barrier section, flowmeter section, downstream screens section and fan section to be measured, it is characterized in that: described flowmeter section is provided with a fixed head and rotating disk, this fixed head is provided with the nozzle of a plurality of different size specifications, and described rotating disk is to place a side of fixed head and be provided with a perforation, by by selecting required nozzle, and rotates rotating disk, make this perforation produce displacement, and be positioned to selected nozzle.
2. wind tunnel test device as claimed in claim 1 is characterized in that: further comprise one
Rotating shaft, this rotating shaft are to be located on the described rotating disk, by being driven by a step motor, to rotate described rotating disk.
3. wind tunnel test device as claimed in claim 1 is characterized in that: described rotating disk has airtight design, so that combine closely with described fixed head.
4. wind tunnel test device as claimed in claim 1 is characterized in that: the rectification mesh purpose area ratio of described upstream rectifying barrier section and downstream screens section is dredged with flow direction and is followed successively by 60%, 57%, 54% to close.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520003372 CN2767986Y (en) | 2005-02-03 | 2005-02-03 | Wind tunnel testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520003372 CN2767986Y (en) | 2005-02-03 | 2005-02-03 | Wind tunnel testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2767986Y true CN2767986Y (en) | 2006-03-29 |
Family
ID=36681854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520003372 Expired - Fee Related CN2767986Y (en) | 2005-02-03 | 2005-02-03 | Wind tunnel testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2767986Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019958A (en) * | 2013-08-23 | 2014-09-03 | 中国人民解放军国防科学技术大学 | Wind tunnel rectification device |
| CN105090678A (en) * | 2015-08-12 | 2015-11-25 | 上海交通大学 | Gas-solid mixing conveying device capable of achieving even distribution and application of gas-solid mixing conveying device |
-
2005
- 2005-02-03 CN CN 200520003372 patent/CN2767986Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019958A (en) * | 2013-08-23 | 2014-09-03 | 中国人民解放军国防科学技术大学 | Wind tunnel rectification device |
| CN104019958B (en) * | 2013-08-23 | 2017-02-08 | 中国人民解放军国防科学技术大学 | Wind tunnel rectification device |
| CN105090678A (en) * | 2015-08-12 | 2015-11-25 | 上海交通大学 | Gas-solid mixing conveying device capable of achieving even distribution and application of gas-solid mixing conveying device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060329 |