CN203249750U - Icing wind tunnel altitude simulation device - Google Patents
Icing wind tunnel altitude simulation device Download PDFInfo
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- CN203249750U CN203249750U CN 201320212129 CN201320212129U CN203249750U CN 203249750 U CN203249750 U CN 203249750U CN 201320212129 CN201320212129 CN 201320212129 CN 201320212129 U CN201320212129 U CN 201320212129U CN 203249750 U CN203249750 U CN 203249750U
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- vacuum pump
- vacuum
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- water
- altitude
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- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The utility model relates to an icing wind tunnel altitude simulation device. The icing wind tunnel altitude simulation device includes a large-flow vacuum pump (1), a small-flow vacuum pump (2), a water pump (3), vacuum valves (4, 5), exhaust valves (6, 7), water entering valves (8, 9) and a cooling tower(10). With the above components adopted, air channel connection and water channel connection can be realized through the following manners that: the vacuum pumps (1, 2) are connected with an icing wind tunnel body through the vacuum valves (4, 5) and are communicated with external atmosphere through the exhaust valves (6, 7); and the vacuum pumps (1, 2) are connected with the cooling tower (10) through the water pump (3), and water can flow back to the vacuum pumps (1, 2) through the water entering valves (8, 9). The icing wind tunnel altitude simulation device of the utility model can realize 7000-meter simulation altitude maximally through air pumping of the vacuum pumps with simple operation. With the large-flow vacuum pump (1) adopted, the icing wind tunnel can achieve a preset altitude, and with the small-flow vacuum pump (2) adopted, the pressure inside the icing wind tunnel body can be maintained; and therefore, the stability in altitude can be excellent.
Description
Technical field
The utility model belongs to anti-deicing experimental technique field, relates to a kind of icing tunnel altitude simulation device.
Background technology
The anti-deicing technology of aircraft is most important for flight safety.In order effectively to verify anti-deicing effect, must carry out ground simulation test.True for guaranteed conditions during test, need the flight environment of vehicle in the simulated altitude.Show that according to the weather data statistics aircraft freezes and mostly occurs in 2000m～5000m high-altitude, when highly greater than 8000m, the phenomenon of freezing does not occur generally.Therefore, the simulated altitude scope of icing tunnel is set as this ground level～7000m.
The atmospheric pressure value that different height is corresponding different by changing the atmospheric pressure value in the body of icing tunnel hole, can realize the simulation to the differing heights value, and the corresponding relation between the air pressure and altitude can be with reference to " height and the atmospheric pressure table of comparisons ".
Summary of the invention
The purpose of this utility model is: design a kind of icing tunnel altitude simulation and control device, bleeding by vacuum pump reaches the altitude simulation effect of this ground level～7000 in the body of icing tunnel hole meter, satisfies the height marker demand of the anti-deicing test of icing tunnel.
The technical solution of the utility model is: a kind of altitude simulation device for icing tunnel comprises large flow vacuum pump (1), low discharge vacuum pump (2), water pump (3), vacuum valve (4,5), vent valve (6,7), water intaking valve (8,9), cooling tower (10);
Large flow vacuum pump (1) is connected with icing tunnel hole body by the first vacuum valve (4), is communicated with ambient atmosphere by first row air valve (6); Large flow vacuum pump (1) connects cooling tower (10) by water pump (3), and is back to large flow vacuum pump (1) by the first water intaking valve (8);
Low discharge vacuum pump (2) is connected with icing tunnel hole body by the second vacuum valve (5), is communicated with ambient atmosphere by second row air valve (7); Low discharge vacuum pump (2) connects cooling tower (10) by water pump (3), and is back to low discharge vacuum pump (2) by the second water intaking valve (9).
The gas circuit that is connected between vacuum pump and icing tunnel hole body, vent valve, the vacuum valve connects, and the water route that is connected between vacuum pump and water intaking valve, the water pump connects.
Open first large flow vacuum pump (1) and the first vacuum valve (4) during test, bleed in the body of icing tunnel hole, icing tunnel hole body internal gas pressure is reduced, height value rises.When the true altitude in the body of icing tunnel hole during near setting height, large flow vacuum pump (1) cuts out with the first vacuum valve (4), is pumped to desired height by low discharge vacuum pump (2).When the true altitude in the body of icing tunnel hole reached setting height, system's automatic regulating valve door open degree was kept height value.
Close vacuum pump (1,2) after the off-test, with the inlet open of icing tunnel, extraneous natural air enters in the body of icing tunnel hole automatically, makes to return to highly gradually this ground level.
Water pump (3) is used for water is pumped into the altitude simulation device, participates in circulation, plays the effect to vacuum pump (1,2) sealing, cooling down, and cooling tower (10) is used for water cooling.
The beneficial effects of the utility model are: the utility model provides a kind of altitude simulation for icing tunnel and control device, can bleed by vacuum pump and reach maximum 7000 meters simulated altitude, easy and simple to handle, large flow vacuum pump can make icing tunnel arrive fast preset height, the low discharge vacuum pump is kept the pressure in the body of hole, and high stability is good.
Description of drawings
Fig. 1 is the utility model icing tunnel altitude simulation apparatus structure synoptic diagram, wherein 1: large flow vacuum pump, 2: low discharge vacuum pump, 3: water pump, 4: the first vacuum valves, 5: the second vacuum valves, 6: first row air valve, 7: second row air valve, 8: the first water intaking valves, 9: the second water intaking valves, 10: cooling tower.
Embodiment
Below in conjunction with Figure of description the utility model is described in further details.
A kind of altitude simulation device for icing tunnel comprises large flow vacuum pump 1, low discharge vacuum pump 2, water pump 3, vacuum valve 4,5, vent valve 6,7, water intaking valve 8,9, cooling tower 10;
Large flow vacuum pump 1 is connected with icing tunnel hole body by the first vacuum valve 4, is communicated with ambient atmosphere by first row air valve 6; Large flow vacuum pump 1 connects cooling tower 10 by water pump 3, and is back to large flow vacuum pump 1 by the first water intaking valve 8;
Low discharge vacuum pump 2 is connected with icing tunnel hole body by the second vacuum valve 5, is communicated with ambient atmosphere by second row air valve 7; Low discharge vacuum pump 2 connects cooling tower 10 by water pump 3, and is back to low discharge vacuum pump 2 by the second water intaking valve 9.
Open first large flow vacuum pump 1 and the first vacuum valve 4 during test, in the body of icing tunnel hole, bleed, icing tunnel hole body internal gas pressure is reduced, pressure reduction is become corresponding height value, namely reach the effect of simulated altitude.When the true altitude in the body of icing tunnel hole during near setting height, large flow vacuum pump 1 and the first vacuum valve 4 are closed, and are pumped to desired height by low discharge vacuum pump 2.When the true altitude in the body of icing tunnel hole reached setting height, system's automatic regulating valve door open degree was kept height value.
Water pump (3) is used for water is pumped into the altitude simulation device, participates in circulation, plays the effect to vacuum pump (1,2) sealing, cooling down, and cooling tower (10) is used for water cooling.
Embodiment:
Vacuum pump is water-ring vacuum pump, and large flow vacuum pump air capacity is 30m
3/ min, low discharge vacuum pump air capacity is 4.4m
3/ min.
At first the first water intaking valve 8 in the Lift analogue means, the second water intaking valve 9 and water pump 3 are restarted large flow vacuum pump 1, open the first vacuum valve 4, begin in the body of icing tunnel hole air-breathingly, and the air that sucks are entered atmosphere by first row air valve 6.
The setting height value is 7000 meters, when reaching more than 6700 meters, closes large flow vacuum pump 1, opens low discharge vacuum pump 2, and this moment, the height value rising finally reached 7000 meters height.
System regulates the open degree of the second vacuum valve 5 automatically, keeps the height value in the body of icing tunnel hole.In the process of the height value in keeping icing tunnel hole body, in case of necessity, reopen large flow vacuum pump 1 and the first vacuum valve 4, in this simultaneously, close low discharge vacuum pump 2 and the second vacuum valve 5.
After the off-test, close large flow vacuum pump 1, low discharge vacuum pump 2, the first vacuum valve 4, the second vacuum valve 5, open the gas admittance valve of icing tunnel, automatic inflating device returns to atmospheric pressure state.
Claims (1)
1. an altitude simulation device that is used for icing tunnel is characterized in that: comprise large flow vacuum pump (1), low discharge vacuum pump (2), water pump (3), vacuum valve (4,5), vent valve (6,7), water intaking valve (8,9), cooling tower (10);
Large flow vacuum pump (1) is connected with icing tunnel hole body by the first vacuum valve (4), is communicated with ambient atmosphere by first row air valve (6); Large flow vacuum pump (1) connects cooling tower (10) by water pump (3), and is back to large flow vacuum pump (1) by the first water intaking valve (8);
Low discharge vacuum pump (2) is connected with icing tunnel hole body by the second vacuum valve (5), is communicated with ambient atmosphere by second row air valve (7); Low discharge vacuum pump (2) connects cooling tower (10) by water pump (3), and is back to low discharge vacuum pump (2) by the second water intaking valve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320212129 CN203249750U (en) | 2013-04-24 | 2013-04-24 | Icing wind tunnel altitude simulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320212129 CN203249750U (en) | 2013-04-24 | 2013-04-24 | Icing wind tunnel altitude simulation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203249750U true CN203249750U (en) | 2013-10-23 |
Family
ID=49376183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320212129 Expired - Fee Related CN203249750U (en) | 2013-04-24 | 2013-04-24 | Icing wind tunnel altitude simulation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203249750U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104368471A (en) * | 2014-11-14 | 2015-02-25 | 武汉航空仪表有限责任公司 | Icing tunnel or freezing climatic chamber spray water pressure control device and method |
| CN106525379A (en) * | 2016-11-14 | 2017-03-22 | 北京航天长征飞行器研究所 | Air exhausting device and method employed by two sets of high-temperature supersonic wind tunnels jointly |
| CN110608867A (en) * | 2019-10-30 | 2019-12-24 | 中国空气动力研究与发展中心低速空气动力研究所 | Large icing wind tunnel height simulation method |
| CN110617938A (en) * | 2019-10-30 | 2019-12-27 | 中国空气动力研究与发展中心低速空气动力研究所 | Large icing wind tunnel height simulation system |
| CN111679703A (en) * | 2020-07-07 | 2020-09-18 | 中国空气动力研究与发展中心超高速空气动力研究所 | Temperature protection control system of centrifugal vacuum pump and control method thereof |
| CN111929024A (en) * | 2020-09-27 | 2020-11-13 | 中国空气动力研究与发展中心低速空气动力研究所 | Icing wind tunnel air intake and height simulation system and method |
| CN113375891A (en) * | 2021-07-09 | 2021-09-10 | 中国空气动力研究与发展中心低速空气动力研究所 | Air inlet simulation system, air inlet simulation method and empty model pressure loss simulation method |
| CN114623649A (en) * | 2022-05-17 | 2022-06-14 | 中国空气动力研究与发展中心高速空气动力研究所 | Continuous wind tunnel airflow temperature cooling system |
-
2013
- 2013-04-24 CN CN 201320212129 patent/CN203249750U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104368471A (en) * | 2014-11-14 | 2015-02-25 | 武汉航空仪表有限责任公司 | Icing tunnel or freezing climatic chamber spray water pressure control device and method |
| CN104368471B (en) * | 2014-11-14 | 2016-08-24 | 武汉航空仪表有限责任公司 | A kind of icing tunnel or freezing weather room spray water pressure control device and method |
| CN106525379A (en) * | 2016-11-14 | 2017-03-22 | 北京航天长征飞行器研究所 | Air exhausting device and method employed by two sets of high-temperature supersonic wind tunnels jointly |
| CN106525379B (en) * | 2016-11-14 | 2019-01-15 | 北京航天长征飞行器研究所 | A kind of exhaust apparatus and method that two sets of high temperature ultrasonics speed wind-tunnel is shared |
| CN110608867A (en) * | 2019-10-30 | 2019-12-24 | 中国空气动力研究与发展中心低速空气动力研究所 | Large icing wind tunnel height simulation method |
| CN110617938A (en) * | 2019-10-30 | 2019-12-27 | 中国空气动力研究与发展中心低速空气动力研究所 | Large icing wind tunnel height simulation system |
| CN111679703A (en) * | 2020-07-07 | 2020-09-18 | 中国空气动力研究与发展中心超高速空气动力研究所 | Temperature protection control system of centrifugal vacuum pump and control method thereof |
| CN111929024A (en) * | 2020-09-27 | 2020-11-13 | 中国空气动力研究与发展中心低速空气动力研究所 | Icing wind tunnel air intake and height simulation system and method |
| CN113375891A (en) * | 2021-07-09 | 2021-09-10 | 中国空气动力研究与发展中心低速空气动力研究所 | Air inlet simulation system, air inlet simulation method and empty model pressure loss simulation method |
| CN114623649A (en) * | 2022-05-17 | 2022-06-14 | 中国空气动力研究与发展中心高速空气动力研究所 | Continuous wind tunnel airflow temperature cooling system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131023 |