CN109224467A - Outdoor recreation wind tunnel device - Google Patents
Outdoor recreation wind tunnel device Download PDFInfo
- Publication number
- CN109224467A CN109224467A CN201811015928.1A CN201811015928A CN109224467A CN 109224467 A CN109224467 A CN 109224467A CN 201811015928 A CN201811015928 A CN 201811015928A CN 109224467 A CN109224467 A CN 109224467A
- Authority
- CN
- China
- Prior art keywords
- bracket
- bag
- wind
- safety net
- protective air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000001681 protective effect Effects 0.000 claims abstract description 46
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 4
- 230000003584 silencer Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 239000002775 capsule Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000003796 beauty Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 208000003265 stomatitis Diseases 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63G—MERRY-GO-ROUNDS; SWINGS; ROCKING-HORSES; CHUTES; SWITCHBACKS; SIMILAR DEVICES FOR PUBLIC AMUSEMENT
- A63G31/00—Amusement arrangements
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses outdoor recreation wind tunnel devices, including structure stand, noise reduction panel, safety net, protective air-bag and wind-tunnel generating device, the noise reduction panel is circumferentially set to structure stand lower part, the protective air-bag is horizontally placed in structure stand, the protective air-bag bottom inside protective air-bag support base and structure stand by connecting, it is connect at the top of the safety net with structure stand top, bottom, which is connected on the outside of protective air-bag, makes safety net form infundibulate protective net, the protective air-bag center is equipped with wind-tunnel and mouth occurs, the outdoor recreation wind tunnel device collection amusement of the present apparatus, performance, it demonstrates in one, structure novel, design is reasonable, guarantee the stability of device by structure stand, pass through safety net, protective air-bag, the setting of horizontal safety net enhances safety coefficient, noise effect is reduced by annular noise reduction panel, this Plant energy consumption is low, noise is small, attraction is strong, is suitable for placement in the big public place of flow of the people.
Description
Technical field
The present invention relates to Wind Tunnel Technique field, in particular to outdoor recreation wind tunnel devices.
Background technique
Recreation wind tunnel is a kind of air suspension device, is the item that a collection high-tech is combined with thrilling, stimulation amusement
Mesh, that is, by manually manufacturing and controlling air-flow, tourist " is blown " in a specific space, allows people not only can be with
The feeling that moves swiftly of experience space is gained knowledge and wind tunnel technique at the same time it can also get information about air force.At present in beauty
The American-European countries such as state, Canada, Britain, Switzerland, France have had more than 50 recreation wind tunnels, receive more than 7,000,000 tourists, Asia
It is not also that very extensively, present many recreation wind tunnels are used for public place of entertainment, it not only brings to people fabulous, but also allows human body
The spacious pleasant feeling that can be parachuted in the air.But existing recreation wind tunnel is mostly indoor wind-tunnel, space is smaller, affect experience sense
By and the protective device of outdoor recreation wind tunnel is less, is easy to happen danger, therefore designs that a kind of experience effect is good, safety coefficient
The high outdoor wind tunnel device in outdoor is those skilled in the relevant arts' urgent problem.
Summary of the invention
In order to solve the above technical problems, technical solution provided by the invention are as follows: outdoor recreation wind tunnel device, including structure branch
Frame, noise reduction panel, safety net, protective air-bag and wind-tunnel generating device, the noise reduction panel are circumferentially set under structure stand
Portion, the protective air-bag are horizontally placed in structure stand, and the protective air-bag bottom passes through protective air-bag support base and knot
The connection of structure internal stent, the safety net top and structure stand top are connect, and bottom, which is connected on the outside of protective air-bag, to pacify
The whole network forms infundibulate protective net, and the protective air-bag center is equipped with wind-tunnel and mouth occurs, protrudes at the top of the wind-tunnel generating device
Wind-tunnel occurs in mouth, and bottom is connect by generating device bracket with structure stand bottom, the structure stand, noise reduction panel, peace
The whole network, protective air-bag, wind-tunnel generating device center line be located on the same line.
As an improvement, the structure stand includes the bracket one for installing noise reduction panel and the branch for installing safety net
Frame two, the bracket one are the ring structure of hollow structure, and the generating device bracket is circumferentially equidistant to be set to one bottom surface of bracket
On, the bracket one is equipped with several support legs with generating device frame bottom, and described two one end of bracket is connected to generating device branch
On frame, the other end is connected to the top of bracket one and upwardly extends so that bracket two is obliquely installed, and extends at the top of the bracket two
The part of bracket one is bended inwards such that " J " type bracket is integrally formed in bracket two.
As an improvement, the bracket one includes ceiling hold disposed in parallel and lower supporter, the ceiling hold and lower supporter it
Between be vertically arranged at intervals with several noise reduction panel fixed frames, the noise reduction panel fixed frame includes the inner support being oppositely arranged and outer
Bracket, the noise reduction panel are fixed between inner support and support arm.
As an improvement, the protective air-bag is the circular ring shape protective air-bag of hollow structure, the protective air-bag upper surface pair
Wind-tunnel is answered to occur to be additionally provided with horizontal safety net at mouth.
As an improvement, the wind-tunnel generating device includes airflow muffler, wind-tunnel hair is protruded on the airflow muffler top
In raw mouth and PVC direct current device is connected up, lower part is vertically provided with wind tunnel fan, fan electricity is equipped with inside the wind tunnel fan
Machine, the wind tunnel fan outside are connect with generating device bracket.
As an improvement, the airflow muffler includes annular outer cover, the annular outer cover bottom is and wind tunnel fan shape
Adaptable installation cavity, top are air stream outlet, and the air stream outlet includes the primary outlet at the center that is set to, outside the primary outlet
Side connects to forming several air flow ducts by several partitions with annular outer cover inner wall.
As an improvement, the inner diameter size of the primary outlet is gradually reduced from bottom to up so that primary outlet Formation cross-section is trapezoidal
Air stream outlet.
As an improvement, the safety net upper edge hole is circumferentially with safety net support rod, the safety net passes through safety net branch
It is connected at the top of strut and bracket two.
As an improvement, the structure stand side is provided with access platform, the access platform is by travelling platform and prevents
Connection on the outside of air bag is protected, the side that the safety net corresponds to travelling platform is provided with entrance.
As an improvement, the access platform includes platform body, the platform body top is provided with guard rail, lower part
It is provided with the braced frame connecting with ground, the platform body side is additionally provided with walking stair.
After using the above structure, the present invention has the advantage that the amusement of the present apparatus outdoor recreation wind tunnel device collection, performance,
It demonstrates in one, structure novel, design rationally, guarantees the stability of device by structure stand, passes through safety net, protection gas
The setting of capsule, horizontal safety net enhances safety coefficient, reduces noise effect by annular noise reduction panel, low energy consumption for the present apparatus, makes an uproar
Sound is small, attraction is strong, is suitable for placement in the big public place of flow of the people.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the outdoor recreation wind tunnel device of the present invention.
Fig. 2 is the structural schematic diagram of airflow muffler in the outdoor recreation wind tunnel device of the present invention.
Fig. 3 is the overlooking structure diagram of the outdoor recreation wind tunnel device protective air-bag part of the present invention.
Fig. 4 is the cross section structure schematic diagram of bracket one in the outdoor recreation wind tunnel device of the present invention.
It is as shown in the figure: 1, structure stand, 1.1, bracket one, 1.1a, ceiling hold, 1.1b, lower supporter, 1.1c, inner support,
1.1d, support arm, 1.2, bracket two, 1.3, support leg, 2, noise reduction panel, 3, safety net, 4, protective air-bag, 4.1, protection gas
Capsule support base, 4.2, wind-tunnel generation mouth, 5, wind-tunnel generating device, 5.1, generating device bracket, 5.2, airflow muffler,
5.2a, annular outer cover, 5.2b, installation cavity, 5.2c, primary outlet, 5.2d, partition, 5.2e, air flow duct, 5.3, PVC direct current device,
5.4, wind tunnel fan, 5.5, fan motor, 6, horizontal safety net, 7, safety net support rod, 8, access platform, 8.1, walking it is flat
Platform, 8.2, platform body, 8.3, guard rail, 8.4, braced frame, 8.5, walking stair.
Specific embodiment
In conjunction with attached drawing 1~4, outdoor recreation wind tunnel device, including structure stand 1, noise reduction panel 2, safety net 3, protection gas
Capsule 4 and wind-tunnel generating device 5, the noise reduction panel 2 is circumferential to be set to 1 lower part of structure stand, and 4 level of protective air-bag is set
It being placed in structure stand 1,4 bottom of protective air-bag passes through to be connected inside protective air-bag support base 4.1 and structure stand 1,
3 top of the safety net with connected at the top of structure stand 1, bottom, which is connected on the outside of protective air-bag 4, makes the formation funnel of safety net 3
Shape protective net, 4 center of protective air-bag are equipped with wind-tunnel and mouth 4.2 occur, and protrude into wind-tunnel at the top of the wind-tunnel generating device 5
In mouth 4.2, bottom is connect by generating device bracket 5.1 with 1 bottom of structure stand, the structure stand 1, noise reduction panel 2, peace
The whole network 3, protective air-bag 4, wind-tunnel generating device 5 center line be located on the same line.
As the present embodiment preferred embodiment, the structure stand 1 includes the bracket for installing noise reduction panel 2
One 1.1 and the bracket 2 1.2 for installing safety net 3, the bracket 1 is the ring structure of hollow structure, the generation
Appliance stand 5.1 is circumferentially equidistant to be set on one 1.1 bottom surface of bracket, and the bracket 1 is set with 5.1 bottom of generating device bracket
There are several support legs 1.3, described 2 1.2 one end of bracket is connected on generating device bracket 5.1, and the other end is connected to bracket one
1.1 tops simultaneously upwardly extend so that bracket 2 1.2 is obliquely installed, and the part of bracket 1 is extended at 2 1.2 top of bracket
It is bended inwards such that " J " type bracket is integrally formed in bracket 2 1.2.
As the present embodiment preferred embodiment, the bracket 1 include ceiling hold 1.1a disposed in parallel and
Lower supporter 1.1b, is vertically arranged at intervals with several noise reduction panel fixed frames, institute between the ceiling hold 1.1a and lower supporter 1.1b
Stating noise reduction panel fixed frame includes the inner support 1.1c being oppositely arranged and support arm 1.1d, and the noise reduction panel 2 is fixed on interior branch
Between frame 1.1c and support arm 1.1d.
As the present embodiment preferred embodiment, the protective air-bag 4 is the circular ring shape protective air-bag of hollow structure,
4 upper surface of protective air-bag corresponds to wind-tunnel and occurs to be additionally provided with horizontal safety net 6 at mouth 4.2.
As the present embodiment preferred embodiment, the wind-tunnel generating device 5 includes airflow muffler 5.2, described
5.2 top of airflow muffler protrudes into wind-tunnel and occurs in mouth 4.2 and connected up PVC direct current device 5.3, and lower part is vertically provided with wind
Hole fan 5.4 is equipped with fan motor 5.5,5.4 outside of wind tunnel fan and generating device branch inside the wind tunnel fan 5.4
Frame 5.1 connects.
As the present embodiment preferred embodiment, the airflow muffler 5.2 includes annular outer cover 5.2a, the ring
The shape bottom shell 5.2a is the installation cavity 5.2b being adapted with 5.4 shape of wind tunnel fan, and top is air stream outlet, and the air-flow goes out
Mouth includes the primary outlet 5.2c at the center that is set to, and the outside primary outlet 5.2c passes through several partition 5.2d and annular outer cover 5.2a
Inner wall connects to forming several air flow duct 5.2e.
As the present embodiment preferred embodiment, the inner diameter size of the primary outlet 5.2c is gradually reduced from bottom to up
So that primary outlet 5.2c Formation cross-section is trapezoidal air stream outlet.
As the present embodiment preferred embodiment, 3 upper edge hole of safety net is circumferentially with safety net support rod 7,
The safety net 3 is connect by safety net support rod 7 with 2 1.2 top of bracket.
As the present embodiment preferred embodiment, one 1.1 side of structure stand is provided with access platform 8, described
Access platform 8 on the outside of travelling platform 8.1 and protective air-bag 4 by connecting, the side of the corresponding travelling platform 8.1 of the safety net 3
It is provided with entrance.
As the present embodiment preferred embodiment, the access platform 8 includes platform body 8.2, the platform sheet
8.2 top of body is provided with guard rail 8.3, and lower part is provided with the braced frame 8.4 connecting with ground, the platform body 8.2
Side is additionally provided with walking stair 8.5.
In the specific implementation, experiencer wears protective equipment and enters flight range from access platform 8 present invention, and is instructing
Practice and carries out flight experience under the guidance of member；Wherein, the diameter of equipment is 13.25 meters, and the total height of equipment is 7.15 meters, protects gas
Capsule 4 with a thickness of 1.5 meters, the height of equipment to flight range is 4.09 meters, and the height of noise reduction panel is 3.14 meters, flight range
Flow diameter be 2.1 meters；Maximum (top) speed < 1500rpm of wind tunnel fan 5.4, maximum air velocity~200 kilometer/hour.
The present invention and its embodiments have been described above, this description is no restricted, shown in the drawings
Only one of embodiments of the present invention, actual structure is not limited to this.All in all if the ordinary skill of this field
Personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution phase
As frame mode and embodiment, be within the scope of protection of the invention.
Claims (10)
1. outdoor recreation wind tunnel device, it is characterised in that: including structure stand, noise reduction panel, safety net, protective air-bag and wind
Hole generating device, the noise reduction panel are circumferentially set to structure stand lower part, and the protective air-bag is horizontally placed on structure stand
Interior, the protective air-bag bottom at the top of the safety net and is tied by connecting inside protective air-bag support base and structure stand
The connection of structure cradle top, bottom, which is connected on the outside of protective air-bag, makes safety net form infundibulate protective net, the protective air-bag
Center is equipped with wind-tunnel and mouth occurs, and wind-tunnel is protruded at the top of the wind-tunnel generating device and is occurred in mouth, bottom passes through generating device bracket
Connect with structure stand bottom, the structure stand, noise reduction panel, safety net, protective air-bag, wind-tunnel generating device center line
It is located on the same line.
2. outdoor recreation wind tunnel device according to claim 1, it is characterised in that: the structure stand includes for installing
The bracket one of noise reduction panel and bracket two for installing safety net, the bracket one is the ring structure of hollow structure, described
Generating device bracket is circumferentially equidistant to be set on one bottom surface of bracket, and the bracket one is equipped with several with generating device frame bottom
Support foot, described two one end of bracket are connected on generating device bracket, the other end be connected to the top of bracket one and upwardly extend so that
Bracket two is obliquely installed, and the part for extending bracket one at the top of the bracket two is bended inwards such that " J " is integrally formed in bracket two
Type bracket.
3. outdoor recreation wind tunnel device according to claim 2, it is characterised in that: the bracket one includes disposed in parallel
Ceiling hold and lower supporter are vertically arranged at intervals with several noise reduction panel fixed frames, the drop between the ceiling hold and lower supporter
Panel fixed frame of making an uproar includes the inner support and support arm being oppositely arranged, the noise reduction panel be fixed on inner support and support arm it
Between.
4. outdoor recreation wind tunnel device according to claim 1, it is characterised in that: the protective air-bag is hollow structure
Circular ring shape protective air-bag, the protective air-bag upper surface correspond to wind-tunnel and occur to be additionally provided with horizontal safety net at mouth.
5. outdoor recreation wind tunnel device according to claim 1, it is characterised in that: the wind-tunnel generating device includes air-flow
Silencer, the airflow muffler top protrude into wind-tunnel and occur in mouth and connected up PVC direct current device, and lower part is vertically provided with
Wind tunnel fan, the wind tunnel fan inside are equipped with fan motor, connect outside the wind tunnel fan with generating device bracket.
6. outdoor recreation wind tunnel device according to claim 5, it is characterised in that: the airflow muffler includes that annular is outer
Shell, the annular outer cover bottom are the installation cavity being adapted with wind tunnel fan shape, and top is air stream outlet, the air stream outlet
Primary outlet including being set to center, the primary outlet outside connect to forming several gas by several partitions with annular outer cover inner wall
Flow air duct.
7. outdoor recreation wind tunnel device according to claim 6, it is characterised in that: the inner diameter size of the primary outlet is under
It is supreme to be gradually reduced so that primary outlet Formation cross-section is trapezoidal air stream outlet.
8. outdoor recreation wind tunnel device according to claim 1, it is characterised in that: the safety net upper edge hole is circumferentially with
Safety net support rod, the safety net at the top of safety net support rod and bracket two by connecting.
9. outdoor recreation wind tunnel device according to claim 1, it is characterised in that: the structure stand side, which is provided with, to be connect
Enter platform, for the access platform by connecting on the outside of travelling platform and protective air-bag, the safety net corresponds to the one of travelling platform
Side is provided with entrance.
10. outdoor recreation wind tunnel device according to claim 9, it is characterised in that: the access platform includes platform sheet
Body, the platform body top are provided with guard rail, and lower part is provided with the braced frame connecting with ground, the platform body
Side is additionally provided with walking stair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811015928.1A CN109224467A (en) | 2018-09-01 | 2018-09-01 | Outdoor recreation wind tunnel device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811015928.1A CN109224467A (en) | 2018-09-01 | 2018-09-01 | Outdoor recreation wind tunnel device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109224467A true CN109224467A (en) | 2019-01-18 |
Family
ID=65060025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811015928.1A Pending CN109224467A (en) | 2018-09-01 | 2018-09-01 | Outdoor recreation wind tunnel device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109224467A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111346389A (en) * | 2020-03-10 | 2020-06-30 | 中国航天空气动力技术研究院 | Medium-sized direct current type entertainment wind tunnel |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8424283U1 (en) * | 1984-08-16 | 1985-01-03 | Rodenhurst Ltd., Douglas, Isle of Man | DEVICE FOR THE ARTIFICIAL PRODUCTION OF TRAVEL WIND |
| DE4339580A1 (en) * | 1993-11-19 | 1994-04-14 | Steffen Schmelzer | Appliance enabling person to fly in accelerated air column - has underneath frame on which is air cushion, with rope attached to centre, drive motors, air ducts |
| CN201034805Y (en) * | 2007-04-06 | 2008-03-12 | 中国空气动力研究与发展中心设备设计及测试技术研究所 | Blow gas type aerial glide device |
| CN101252974A (en) * | 2005-08-30 | 2008-08-27 | 尼古拉·吉尔 | Free fall simulator which can display a simulated visual environment |
| TWM458551U (en) * | 2012-09-06 | 2013-08-01 | Chao-Chih Lee | Ground based flight simulation device |
| SE1650199A1 (en) * | 2016-02-15 | 2017-08-16 | Inclined Labs AB | Wind tunnel for human flight |
| CN207137345U (en) * | 2017-08-22 | 2018-03-27 | 上海持合设备科技有限公司 | A kind of outdoor recreation wind tunnel |
| CN108026733A (en) * | 2015-08-06 | 2018-05-11 | 卢恰纳·E·汉利 | Floated air fort |
| CN208927575U (en) * | 2018-09-01 | 2019-06-04 | 爱洛丁（上海）娱乐发展有限公司 | Outdoor recreation wind tunnel device |
-
2018
- 2018-09-01 CN CN201811015928.1A patent/CN109224467A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8424283U1 (en) * | 1984-08-16 | 1985-01-03 | Rodenhurst Ltd., Douglas, Isle of Man | DEVICE FOR THE ARTIFICIAL PRODUCTION OF TRAVEL WIND |
| DE4339580A1 (en) * | 1993-11-19 | 1994-04-14 | Steffen Schmelzer | Appliance enabling person to fly in accelerated air column - has underneath frame on which is air cushion, with rope attached to centre, drive motors, air ducts |
| CN101252974A (en) * | 2005-08-30 | 2008-08-27 | 尼古拉·吉尔 | Free fall simulator which can display a simulated visual environment |
| CN201034805Y (en) * | 2007-04-06 | 2008-03-12 | 中国空气动力研究与发展中心设备设计及测试技术研究所 | Blow gas type aerial glide device |
| TWM458551U (en) * | 2012-09-06 | 2013-08-01 | Chao-Chih Lee | Ground based flight simulation device |
| CN108026733A (en) * | 2015-08-06 | 2018-05-11 | 卢恰纳·E·汉利 | Floated air fort |
| SE1650199A1 (en) * | 2016-02-15 | 2017-08-16 | Inclined Labs AB | Wind tunnel for human flight |
| CN207137345U (en) * | 2017-08-22 | 2018-03-27 | 上海持合设备科技有限公司 | A kind of outdoor recreation wind tunnel |
| CN208927575U (en) * | 2018-09-01 | 2019-06-04 | 爱洛丁（上海）娱乐发展有限公司 | Outdoor recreation wind tunnel device |
Non-Patent Citations (1)
| Title |
|---|
| 娱支洲旅游: "海南省首家户外风洞体验中心在娱支洲岛旅游区正式开业", pages 1 - 3, Retrieved from the Internet <URL:https://2ly4hg.smartapps.cn/pages/article/article?_trans_=010005_wxhy_shw&articleId=205162408&authorId=99985863&spm=smbd.content.share.0.1709040664835zFCkTb6&_swebfr=1&_swebFromHost=baiduboxapp> * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111346389A (en) * | 2020-03-10 | 2020-06-30 | 中国航天空气动力技术研究院 | Medium-sized direct current type entertainment wind tunnel |
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