CN202758537U - Building wind load comprehensive experiment teaching apparatus - Google Patents
Building wind load comprehensive experiment teaching apparatus Download PDFInfo
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- CN202758537U CN202758537U CN 201220426722 CN201220426722U CN202758537U CN 202758537 U CN202758537 U CN 202758537U CN 201220426722 CN201220426722 CN 201220426722 CN 201220426722 U CN201220426722 U CN 201220426722U CN 202758537 U CN202758537 U CN 202758537U
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Abstract
The utility model provides a building wind load comprehensive experiment teaching apparatus, which comprises an air inlet capable of opening and closing arranged at one end, a wind tunnel cylindrical shell of the air outlet capable of opening and closing arranged on the other end, a building model arranged in the wind tunnel cylindrical shell; the bottom of a building model is connected to a reserved hole of the wind tunnel through a bolt and sealed, a blower fan is arranged at the direction of the building model in the wind tunnel cylindrical shell, the blower fan is arranged in the wind tunnel cylindrical shell, several small holes arranged on the surface of a building model is connected to a micro computer digit pressure gauge or/and liquid column manometer through a hose, and a diversion apparatus composed several flow deflectors are arranged between the blower fan and the building model. The building wind load comprehensive experiment teaching apparatus is used for testing the pressure distribution of the building surface and the flow field (wind speed) distribution around the building, and displaying the flow field status (flow form) around the building when the air flow passes through the building, the teaching experiment, demonstration and scientific research are convenient.
Description
Technical field
The utility model relates to a kind of building wind load Integrative Experimental Teaching device, belongs to the instruments used for education field.
Background technology
Wind load is one of primary load of bearing of buildings, for by force/civil construction such as high-rise building, large-span structure and high-rise buildings of typhoon prone areas, wind load is the control load of Architectural Structure Design, and security and the comfortableness of Architectural Structure Design played critical effect.Flow Field Distribution situation during the airflow passes buildings is producing important impact to buildings and wind environment on every side thereof, and the planning of wind force proofing design, residential quarter or the city wind environment of building structure is had great significance.
In teaching, scientific research and the engineering of the courses such as civil structure load and engineering fluid mechanics are used, the demonstration of the flow field situation of air-flow during to the test of the acting force of building surface and airflow passes buildings has important scientific meaning to the wind force proofing design of buildings, the planning of wind environment and the scientific theory research of fluid motion.The BUILDINGS MODELS (such as skyscraper, stadiums, Loads of Long-span Bridges and short house etc.) of different builds is positioned in the small-sized wind-tunnel, utilize pressure tester to come the pressure distribution on test architecture thing surface, utilize speed measuring device to come the test architecture velocity distribution in flow field on every side, utilize smoke generating appts to generate flue gas flow field and show air stream flow field situation around the building when building, carry out corresponding education experiment, demonstration and scientific research.
The courses such as current architecture configuration load and engineering fluid mechanics all have the contents of courses such as interaction force that relate to Air Flow and fluid and solid boundaries, but not yet have this building wind load Integrative Experimental Teaching device to come the pressure distribution on test architecture thing surface and the Flow Field Distribution around the building, and the flow field situation around the building when showing the airflow passes buildings.
The utility model content
The purpose of this utility model provides a kind of building wind load Integrative Experimental Teaching device.
To achieve these goals, technical solution adopted in the utility model is:
Building wind load Integrative Experimental Teaching device, comprise that an end is provided with the air inlet that can open and close, the other end is provided with the wind-tunnel cylindrical shell of the air outlet that can open and close, in the wind-tunnel cylindrical shell, be provided with BUILDINGS MODELS, the BUILDINGS MODELS bottom is connected with the wind-tunnel reserved opening by bolt and seals, direction over against BUILDINGS MODELS in the wind-tunnel cylindrical shell is provided with blower fan, blower fan is arranged in the wind-tunnel cylindrical shell, some apertures that BUILDINGS MODELS surface arranges by leather hose with the micro computer digital pressure gauge or/and fluid column formula measuring cell is connected, be provided with some fair water fins composition guiding devices between blower fan and the BUILDINGS MODELS.
Be provided with the multistep speed regulation device on the blower fan.
The upper wall inboard of wind-tunnel cylindrical shell is provided with the pitot tube guide rail, and the packaged type pitot tube is connected on the pitot tube guide rail, and the packaged type pitot tube is arranged between guiding device and the BUILDINGS MODELS.
The aerosol producer that also comprises stepless time adjustment, the smoke outlet of aerosol producer is connected with the wind-tunnel cylindrical shell.
Also comprise measuring the thermometer of the temperature in the wind-tunnel cylindrical shell.
The manometric structure of described fluid column formula is: be comprised of some piezometric tube, leather hose is connected from inner connection of BUILDINGS MODELS the top of piezometric tube with the pressure tap on BUILDINGS MODELS surface, and the bottom of piezometric tube links to each other with water tank bottom by leather hose; The next door of piezometric tube has been arranged side by side the slip dip stick.
The beneficial effects of the utility model: being used for the pressure distribution on test architecture thing surface and the flow field (wind speed) around the building distributes, and the flow field situation (nowed forming) around the building when showing the airflow passes buildings, in order to carry out education experiment, demonstration and scientific research.
Description of drawings
Fig. 1, structural representation of the present utility model.
Embodiment
In wind-tunnel cylindrical shell 1, set BUILDINGS MODELS 3, after closing air inlet 11 and air outlet 12, open blower fan 13, the blast that utilizes fluid column formula measuring cell 15 and micro computer digital pressure gauge 14 can measure the BUILDINGS MODELS surface distributes and situation of change, utilize packaged type pitot tube 2(packaged type pitot tube to be connected by pitot tube guide rail 21) can measure the BUILDINGS MODELS 3 wind speed size of each point on every side, open aerosol producer 4, the nowed forming of air-flow in the time of then can observing the airflow passes BUILDINGS MODELS.If the smog in the wind-tunnel cylindrical shell 1 will be got rid of, then can when opening, open simultaneously by blower fan air inlet 11 and air outlet 12, and the smog in the wind-tunnel cylindrical shell will be discharged cylindrical shell gradually.
Experiment table 5: be used for placing wind-tunnel, fluid column formula measuring cell, micro computer digital pressure gauge, water tank 151.
Fluid column formula measuring cell 15: the blast that is used for measuring the BUILDINGS MODELS surface.Formed by some piezometric tube, utilize thin leather hose the top of piezometric tube to be connected (connecting from BUILDINGS MODELS is inner) with the pressure tap on BUILDINGS MODELS surface, utilize thin leather hose to link to each other with water tank bottom the bottom of piezometric tube.
Water tank 151: the bottom of water tank bottom with each piezometric tube of fluid column formula measuring cell is communicated with
Slip dip stick 152: the height that is used for measuring piezometric surface in the fluid column formula measuring cell
Micro computer digital pressure gauge: be used for the measurement of BUILDINGS MODELS surface malleation, negative pressure and differential pressure, have temperature and show and the data automatic recording function;
Opening blower fan 13: generate wind field, and configuration multistep speed regulation device 131;
Aerosol producer 4: generate coloured smoke, and generation intensity and the flowing velocity of configuration stepless speed adjusting gear 41 control flue gases;
Packaged type pitot tube 2: utilize thin leather hose that the packaged type pitot tube is linked to each other with piezometric tube, be used for measuring air-flow velocity.The packaged type pitot tube can be mobile at the track of wind-tunnel cylindrical shell, to measure around the BUILDINGS MODELS flow velocity of gas everywhere;
Pitot tube guide rail 21: place the wind-tunnel inner barrel, be used for fixedly pitot tube, pitot tube can move in the above;
Guiding device 6: be comprised of some fair water fins, the inhomogeneous flow field water conservancy diversion that blower fan is generated becomes uniform and stable flow field;
BUILDINGS MODELS 3: the BUILDINGS MODELS surface design goes out some apertures, utilizes thin leather hose that the aperture on BUILDINGS MODELS surface is linked to each other with the micro computer digital pressure gauge with fluid column formula measuring cell, and the thin leather hose that is used for connecting places in the BUILDINGS MODELS;
BUILDINGS MODELS bottom is connected with the wind-tunnel reserved opening by bolt and seals, and the BUILDINGS MODELS of multiple build such as skyscraper, short house, stadiums, bridge etc. are arranged.
The wind-tunnel cylindrical shell: the self-loopa closed channel of Air Flow is positioned on the experiment table.Blower fan, pitot tube, BUILDINGS MODELS, smoke generator, guiding device equipment and pitot tube guide rail are installed on the wind-tunnel cylindrical shell, connect by bolt;
Thermometer 7: be used for measuring the temperature in the wind-tunnel cylindrical shell, utilize Reynold's equation can calculate the Reynolds number in flow field.
Air inlet: during unlatching, air will enter by air inlet.
Air outlet: during unlatching, air will flow out by air outlet.
Air-flow 8 enters from the top of experiment table 5, and (direction of arrow among the figure) is flowed out in the below.
Claims (6)
1. build wind load Integrative Experimental Teaching device, it is characterized in that, comprise that an end is provided with the air inlet that can open and close, the other end is provided with the wind-tunnel cylindrical shell of the air outlet that can open and close, in the wind-tunnel cylindrical shell, be provided with BUILDINGS MODELS, the BUILDINGS MODELS bottom is connected with the wind-tunnel reserved opening by bolt and seals, direction over against BUILDINGS MODELS in the wind-tunnel cylindrical shell is provided with blower fan, blower fan is arranged in the wind-tunnel cylindrical shell, some apertures that BUILDINGS MODELS surface arranges by leather hose with the micro computer digital pressure gauge or/and fluid column formula measuring cell is connected, be provided with some fair water fins composition guiding devices between blower fan and the BUILDINGS MODELS.
2. building wind load Integrative Experimental Teaching device as claimed in claim 1 is characterized in that, is provided with the multistep speed regulation device on the blower fan.
3. building wind load Integrative Experimental Teaching device as claimed in claim 1 or 2, it is characterized in that, the upper wall inboard of wind-tunnel cylindrical shell is provided with the pitot tube guide rail, and the packaged type pitot tube is connected on the pitot tube guide rail, and the packaged type pitot tube is arranged between guiding device and the BUILDINGS MODELS.
4. building wind load Integrative Experimental Teaching device as claimed in claim 3 is characterized in that, also comprise the aerosol producer of stepless time adjustment, the smoke outlet of aerosol producer is connected with the wind-tunnel cylindrical shell.
5. building wind load Integrative Experimental Teaching device as claimed in claim 4 is characterized in that, also comprises measuring the thermometer of the temperature in the wind-tunnel cylindrical shell.
6. building wind load Integrative Experimental Teaching device as claimed in claim 5, it is characterized in that, the manometric structure of described fluid column formula is: be comprised of some piezometric tube, leather hose is connected from inner connection of BUILDINGS MODELS the top of piezometric tube with the pressure tap on BUILDINGS MODELS surface, the bottom of piezometric tube links to each other with water tank bottom by leather hose; The next door of piezometric tube has been arranged side by side the slip dip stick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220426722 CN202758537U (en) | 2012-08-27 | 2012-08-27 | Building wind load comprehensive experiment teaching apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220426722 CN202758537U (en) | 2012-08-27 | 2012-08-27 | Building wind load comprehensive experiment teaching apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202758537U true CN202758537U (en) | 2013-02-27 |
Family
ID=47737706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220426722 Expired - Fee Related CN202758537U (en) | 2012-08-27 | 2012-08-27 | Building wind load comprehensive experiment teaching apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202758537U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102855804A (en) * | 2012-08-27 | 2013-01-02 | 温州大学 | Building wind-load comprehensive experiment teaching device |
| CN103226913A (en) * | 2013-03-29 | 2013-07-31 | 华中科技大学 | Auxiliary experimental equipment for simulating wind environment of building by using artificial air stream |
| CN103473980A (en) * | 2013-09-04 | 2013-12-25 | 华中科技大学 | Experimental facility using water flow for simulating wind environment of building |
| CN111537180A (en) * | 2020-05-12 | 2020-08-14 | 台州学院 | Teaching and scientific research dual-purpose intelligent wind tunnel laboratory and use method thereof |
-
2012
- 2012-08-27 CN CN 201220426722 patent/CN202758537U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102855804A (en) * | 2012-08-27 | 2013-01-02 | 温州大学 | Building wind-load comprehensive experiment teaching device |
| CN103226913A (en) * | 2013-03-29 | 2013-07-31 | 华中科技大学 | Auxiliary experimental equipment for simulating wind environment of building by using artificial air stream |
| CN103226913B (en) * | 2013-03-29 | 2015-04-15 | 华中科技大学 | Auxiliary experimental equipment for simulating wind environment of building by using artificial air stream |
| CN103473980A (en) * | 2013-09-04 | 2013-12-25 | 华中科技大学 | Experimental facility using water flow for simulating wind environment of building |
| CN111537180A (en) * | 2020-05-12 | 2020-08-14 | 台州学院 | Teaching and scientific research dual-purpose intelligent wind tunnel laboratory and use method thereof |
| CN111537180B (en) * | 2020-05-12 | 2022-05-17 | 台州学院 | Teaching and scientific research dual-purpose intelligent wind tunnel laboratory and use method thereof |
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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: 20130227 Termination date: 20130827 |