CN204575292U - The adjustable wind of a kind of building wind-tunnel cuts open passive simulation wedge device - Google Patents
The adjustable wind of a kind of building wind-tunnel cuts open passive simulation wedge device Download PDFInfo
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- CN204575292U CN204575292U CN201520260586.5U CN201520260586U CN204575292U CN 204575292 U CN204575292 U CN 204575292U CN 201520260586 U CN201520260586 U CN 201520260586U CN 204575292 U CN204575292 U CN 204575292U
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Abstract
The utility model relates to the adjustable wind of a kind of building wind-tunnel and cuts open passive simulation wedge device, belongs to building wind-tunnel technique field.Comprise: base, be arranged on the bottom surface of wind-tunnel; Wedge body, the bottom of wedge body is fixedly connected with base; Wedge body comprises middle plate and wing plate, the one side being fixedly connected on wing plate of middle plate, makes wing plate be divided into the first wing limit and the second wing limit; Width adjusting part, installs along the first wing limit and the second wing limit respectively, to realize the width adjusting of wedge device by controlling width adjusting part in the installation site on the first wing limit and the second wing limit; Fixture, described fixture is fixedly connected with the top of wedge body, for wedge body is fixed on wind-tunnel.The utility model can meet the flexible to target wind speed section in wind tunnel test process, and process is rapid, and wind speed profile modeling precision is high, and the utility model wedge device structure simple, be easy to assembling, applicability is wide, cost of manufacture is low.
Description
Technical field
The utility model belongs to building wind-tunnel technique field, particularly relates to kind of the adjustable wind of building wind-tunnel and cuts open passive simulation wedge device.
Background technology
In building wind tunnel test, need to simulate the wind profile of different landforms, the method generally adopted now is passive simulation method.The way of usual passive simulation method causes different obstructions by different blocking devices to building wind turbine apparatus incoming flow, makes wind speed present required distribution (i.e. wind profile, cuts open also known as wind) at vertical direction.Blocking device mainly comprises wedge and roughness element.Wedge stands on upwind, and upper and lower width is different, causes different obstructions to make upper and lower wind speed different to air.
Way general at present is roughly determined the size of wedge before the test, and then processing and fabricating wedge, tests subsequently in actual wind-tunnel.There is following problem in this way:
1, wedge complete after width be difficult to change.Because of the complicacy of wind tunnel test situation, the wedge adopting analogy method to make is difficult to the requirement accurately meeting experimenter.Test according to this wedge, the precision of test figure will inevitably be reduced, cause the inaccurate of test findings.If again make wedge, rising and the increase of test period of experimentation cost just must be caused.
2, the wedge completed can only meet the wind speed profile modeling under single scaling factor, if carry out the test of many scaling factors operating mode, will make wedge separately and cause rising of experimentation cost.
Utility model content
The utility model provides the adjustable wind of a kind of building wind-tunnel to cut open passive simulation wedge device, technical matters to be solved is that after the wedge of prior art completes, width is difficult to change, wedge is difficult to the requirement accurately meeting experimenter, and the wedge completed can only meet the wind speed profile modeling under single scaling factor, experimentation cost is high.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: the adjustable wind of a kind of building wind-tunnel cuts open passive simulation wedge device, and it comprises:
Base, described floor installation is on the bottom surface of wind-tunnel;
Wedge body, the bottom of described wedge body is fixedly connected with described base; Wedge body comprises middle plate and wing plate, the one side being fixedly connected on described wing plate of described middle plate, makes wing plate be divided into the first wing limit and the second wing limit;
Width adjusting part, installs along described first wing limit and the second wing limit respectively, to realize the width adjusting of wedge device by controlling width adjusting part in the installation site on described first wing limit and the second wing limit;
Fixture, described fixture is fixedly connected with the top of wedge body, for wedge body is fixed on wind-tunnel.
The utility model is built the adjustable wind of wind-tunnel as above and is cutd open passive simulation wedge device, and further, described first wing limit has spaced through hole; Described second wing limit has spaced through hole; The two ends of described width adjusting part are arranged at intervals with fixed orifice; Width adjusting part is arranged on the first wing limit and the second wing limit through corresponding fixed orifice and through hole by bolt respectively.
The utility model is built the adjustable wind of wind-tunnel as above and is cutd open passive simulation wedge device, further, the side of described width adjusting part has groove, and the cross section of width adjusting part is " Π " shape, the groove of width adjusting part can be entered the first wing limit and/or the second wing limit.
The utility model is built the adjustable wind of wind-tunnel as above and is cutd open passive simulation wedge device, and further, described first wing limit has the through hole that 4 ~ 8cm distance in interval is arranged; Described second wing limit has the through hole that 4 ~ 8cm distance in interval is arranged.
The utility model is built the adjustable wind of wind-tunnel as above and is cutd open passive simulation wedge device, and further, described fixture comprises: topmast strut, and one end of described topmast strut is fixedly connected with the top of described wedge body, and the other end is screw rod; Length adjustment screw, described length adjustment screw is screwed on described screw rod.
The beneficial effects of the utility model are:
1, the utility model can meet the flexible to target wind speed section in wind tunnel test process, and process is rapid, and wind speed profile modeling precision is high.Traditional Wedge structure can only realize fine setting by the structure such as roughness element or rack saw to subaerial wind profile, and the utility model name can regulate the arbitrary height of wind profile, and range of adjustment is large, precision is high, thus substantially increase the precision of test, save in test the time regulating wind profile.
2, structure simple, be easy to assembling, applicability is wide, cost of manufacture is low.Native system composition structure is few, is easy to assembling, cost of manufacture relative moderate, relative to traditional Wedge structure, can realize the adjustment requirement tested for multiple scaling factor, being suitable for scaling factor scope is 1/600-1/200, and the wind profile that can be applied to current most building wind-tunnel regulates.
Accompanying drawing explanation
The adjustable wind of one building wind-tunnel that Fig. 1 provides for the utility model embodiment cuts open passive simulation wedge device schematic diagram;
Fig. 2 is the schematic side view of Fig. 1;
Fig. 3 is the A-A schematic cross-section of Fig. 1;
A kind of width adjusting part schematic diagram that Fig. 4 provides for the utility model embodiment;
Fig. 5 is the schematic side view of Fig. 4.
In accompanying drawing, the list of parts representated by each label is as follows:
1, base, 2, wedge body, 21, wing plate, 22, middle plate, 23, through hole, 3, topmast strut, 4, length adjustment screw, 5, width adjusting part, 51, fixed orifice.
Embodiment
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
The utility model embodiment needs the problem solved to be: after the wedge of prior art completes, width is difficult to change, and can not realize local modulation, can only be assisted by other servicing unit.This scheme can cause the test period long, the problem that test accuracy is low.In addition, the wedge completed can only meet the wind speed profile modeling under single scaling factor, if the test carrying out many scaling factors operating mode will make wedge separately cause rising of experimentation cost.
As Figure 1-3, the adjustable wind of one building wind-tunnel provided for the utility model embodiment cuts open passive simulation wedge device schematic diagram.
The adjustable wind of building wind-tunnel cuts open passive simulation wedge device and comprises:
Base 1, described floor installation is on the bottom surface of wind-tunnel;
Wedge body 2, the bottom of described wedge body 2 is fixedly connected with described base 1; Wedge body comprises middle plate 22 and wing plate 21, the one side being fixedly connected on described wing plate 21 of described middle plate 22, makes wing plate 21 be divided into the first wing limit and the second wing limit;
Width adjusting part 5, installs along described first wing limit and the second wing limit respectively, to realize the width adjusting of wedge device by controlling width adjusting part 5 in the installation site on described first wing limit and the second wing limit;
Fixture, described fixture is fixedly connected with the top of wedge body 2, for wedge body is fixed on wind-tunnel.
The use procedure that the adjustable wind of the utility model building wind-tunnel cuts open passive simulation wedge device is as follows:
Before test, by experimental formula and the size of numerical simulation determination wedge and the installation site of width adjusting part, then width adjusting part is installed along described first wing limit and the second wing limit respectively.During test, base is placed in the design attitude of wind tunnel test, by fixture, wedge device is fixed in wind-tunnel.Test in the wind-tunnel arranging wedge device, the wind profile obtained and target wind are cutd open and contrasts, carry out the adjustment of respective width according to its difference, finally obtain suitable target wind and cut open.
As shown in Figure 1, described first wing limit has spaced through hole 23; Described second wing limit has spaced through hole 23; In specific implementation process, described first wing limit has the through hole 23 that 4 ~ 8cm distance in interval is arranged; Described second wing limit has the through hole 23 that 4 ~ 8cm distance in interval is arranged.In preferred implementation process, described first wing limit has the through hole 23 that 5cm distance in interval is arranged; Described second wing limit has the through hole 23 that 5cm distance in interval is arranged.The spacing of through hole 23 and quantity can also regulate, all within protection domain of the present utility model according to the entire length of wedge body, degree of regulation demand.
As shown in Figure 4, the two ends of described width adjusting part 5 are arranged at intervals with fixed orifice 51; Width adjusting part 5 is arranged on the first wing limit and the second wing limit through corresponding fixed orifice 51 and through hole 23 by bolt respectively.
In specific implementation process, width adjusting part has multiple implementation,
As shown in Figure 5, be a kind of width adjusting part schematic diagram of embodiment.The side of described width adjusting part has groove, and the cross section of width adjusting part is " Π " shape, the groove of width adjusting part can be entered the first wing limit and/or the second wing limit.Be arranged on the first wing limit and the second wing limit respectively for the ease of width adjusting part 5 to be formed and low wide and up narrow reduce structure, width adjusting part 5 is the different list of elements of width.Such as, width adjusting part all obtains width and is respectively 30 mm, 35 mm, 45 mm, 55 mm, 65 mm, 75 mm, 85 mm, 95 mm, and groove thickness is 20mm, and the wing plate thickness adapted with it is 20mm.
In the embodiment of another kind of width adjusting part, described width adjusting part is platy structure, and the two ends of width adjusting part are arranged at intervals with fixed orifice; The width adjusting part preparation of this embodiment is more simple and efficient, and the iron plate that in specific implementation process, width adjusting part can adopt hardness higher makes.
In one embodiment, as depicted in figs. 1 and 2, described fixture comprises: topmast strut 3, and one end of described topmast strut 3 is fixedly connected with the top of described wedge body 2, and the other end is screw rod; Length adjustment screw 4, described length adjustment screw is screwed on described screw rod.
The use procedure that the adjustable wind of the present embodiment building wind-tunnel cuts open passive simulation wedge device is as follows:
Base is placed in the design attitude of wind tunnel test, by the length adjustment screw rotating topmast strut end, topmast strut is extended until hold out against with wind-tunnel upper arm, wedge device is fixed in wind-tunnel.
The lateral adjustments of system is realized by the fixed orifice of width adjusting part, the fixed orifice of width adjusting part represents different width, the width adjusting part wind that test obtains current working after described first wing limit and the second wing limit installation is respectively being cutd open, by the contrast cutd open with target wind, select different width adjusting parts to regulate the width of wedge, thus realize the control of wedge device to transverse width.
Longitudinally regulate and jointly realized by the fixed orifice of wedge body and width adjusting part.First wing limit and the second wing limit all have spaced through hole, and different through holes represents different wedge height, and width adjusting part and wedge body are by being connected with the through hole of differing heights, thus the longitudinal direction realizing wedge device regulates.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. the adjustable wind of building wind-tunnel cuts open a passive simulation wedge device, it is characterized in that, comprising:
Base, described floor installation is on the bottom surface of wind-tunnel;
Wedge body, the bottom of described wedge body is fixedly connected with described base; Wedge body comprises middle plate and wing plate, the one side being fixedly connected on described wing plate of described middle plate, makes wing plate be divided into the first wing limit and the second wing limit;
Width adjusting part, installs along described first wing limit and the second wing limit respectively, to realize the width adjusting of wedge device by controlling width adjusting part in the installation site on described first wing limit and the second wing limit;
Fixture, described fixture is fixedly connected with the top of wedge body, for wedge body is fixed on wind-tunnel.
2. the adjustable wind of building wind-tunnel according to claim 1 cuts open passive simulation wedge device, it is characterized in that, described first wing limit has spaced through hole; Described second wing limit has spaced through hole; The two ends of described width adjusting part are arranged at intervals with fixed orifice; Width adjusting part is arranged on the first wing limit and the second wing limit through corresponding fixed orifice and through hole by bolt respectively.
3. the adjustable wind of building wind-tunnel according to claim 2 cuts open passive simulation wedge device, it is characterized in that, the side of described width adjusting part has groove, and the cross section of width adjusting part is " Π " shape, the groove of width adjusting part can be entered the first wing limit and/or the second wing limit.
4. the adjustable wind of building wind-tunnel according to Claims 2 or 3 cuts open passive simulation wedge device, it is characterized in that, described first wing limit has the through hole that 4 ~ 8cm distance in interval is arranged; Described second wing limit has the through hole that 4 ~ 8cm distance in interval is arranged.
5. the adjustable wind of building wind-tunnel according to any one of claim 1-3 cuts open passive simulation wedge device, it is characterized in that, described fixture comprises: topmast strut, and one end of described topmast strut is fixedly connected with the top of described wedge body, and the other end is screw rod; Length adjustment screw, described length adjustment screw is screwed on described screw rod.
6. the adjustable wind of building wind-tunnel according to claim 4 cuts open passive simulation wedge device, and it is characterized in that, described fixture comprises: topmast strut, and one end of described topmast strut is fixedly connected with the top of described wedge body, and the other end is screw rod; Length adjustment screw, described length adjustment screw is screwed on described screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520260586.5U CN204575292U (en) | 2015-04-27 | 2015-04-27 | The adjustable wind of a kind of building wind-tunnel cuts open passive simulation wedge device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520260586.5U CN204575292U (en) | 2015-04-27 | 2015-04-27 | The adjustable wind of a kind of building wind-tunnel cuts open passive simulation wedge device |
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| CN204575292U true CN204575292U (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520260586.5U Expired - Fee Related CN204575292U (en) | 2015-04-27 | 2015-04-27 | The adjustable wind of a kind of building wind-tunnel cuts open passive simulation wedge device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104865042A (en) * | 2015-04-27 | 2015-08-26 | 中国中建设计集团有限公司 | Building wind tunnel adjustable wind speed profile passive simulation wedge device |
| CN109138194A (en) * | 2018-10-26 | 2019-01-04 | 苏州岸肯电子科技有限公司 | A kind of sound absorption wedge |
-
2015
- 2015-04-27 CN CN201520260586.5U patent/CN204575292U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104865042A (en) * | 2015-04-27 | 2015-08-26 | 中国中建设计集团有限公司 | Building wind tunnel adjustable wind speed profile passive simulation wedge device |
| CN104865042B (en) * | 2015-04-27 | 2017-12-12 | 中国中建设计集团有限公司 | One kind building wind-tunnel can adjust wind and cut open passive simulation wedge device |
| CN109138194A (en) * | 2018-10-26 | 2019-01-04 | 苏州岸肯电子科技有限公司 | A kind of sound absorption wedge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151223 Address after: 116021 Dalian City, Xigang Province, No. 54 Road, No. 137, the new world A block Patentee after: DALIAN URBAN CONSTRUCTION EXPERT Co.,Ltd. Address before: 100037, Beijing, Haidian District, three Li River Road, No. 15, building A block 9 Patentee before: CHINA CONSTRUCTION ENGINEERING DESIGN GROUP Co.,Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 901 room A, block, Shengli Road, Xigang District, Dalian, Liaoning Patentee after: Zhonghai brigade Design Research (Dalian) Limited by Share Ltd. Address before: 116021 Dalian City, Xigang Province, No. 54 Road, No. 137, the new world A block Patentee before: DALIAN URBAN CONSTRUCTION EXPERT Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 116023 10 Floor, Block C, No. 6 Yiyang Road, Qixianling, Dalian High-tech Industrial Park, Liaoning Province Patentee after: CHINA OCEAN CULTURE&TOURISM(DALIAN)INC. Address before: Room 901, Block A, 78 Shengli Road, Xigang District, Dalian City, Liaoning Province Patentee before: Zhonghai brigade Design Research (Dalian) Limited by Share Ltd. |
|
| 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: 20150819 |