Summary of the invention
Based on this, it is necessary to for above-mentioned technical problem, it is provided that one can avoid personnel activity and avoiding bottom impact
Pneumatic membrane building that local velocity is too high and interior ventilation duct structure thereof.
A kind of interior ventilation duct structure of pneumatic membrane building, including:
Tube wall, is arranged at ventilation shaft in the inner side of air film main body, described tube wall and described air film main body are collectively forming,
Offering air inlet in described air film main body, the air that blower fan is sent enters in described interior ventilation shaft by described air inlet,
On described tube wall, the position away from bottom offers multiple spaced venthole.
Wherein in an embodiment, described tube wall is welded in the inner side of described air film main body.
Wherein in an embodiment, described tube wall sets out pore at bottom 3~4 meters.
Wherein in an embodiment, multiple described ventholes are uniformly distributed on described tube wall.
Wherein in an embodiment, the diameter range of described venthole is 2-5cm.
Wherein in an embodiment, described tube wall being further opened with interface, described interface is used for installing outer air duct.
A kind of pneumatic membrane building, including:
Air film main body, offers air inlet;And
Interior ventilation duct structure as described in any of the above one, described tube wall is arranged at inside described air film main body.
Wherein in an embodiment, also include that air supply duct structure, described air supply duct structure include being flexible coupling, blowing
Pipe and support, described in be flexible coupling and be arranged at the outside of described air film main body, described in be flexible coupling by described air inlet and described gas
Film body interior is connected, and described ajutage is scalable, one end of described ajutage with described be flexible coupling be connected.
Wherein in an embodiment, also include that blower fan, the other end of described ajutage are connected with blower fan.
Wherein in an embodiment, described in be flexible coupling and be welded in the outside of described air film main body.
Above-mentioned pneumatic membrane building and interior ventilation duct structure thereof at least have the advantage that
During blower fan work, the air that blower fan is sent blows to what air film main body and tube wall were collectively forming by air supply duct structure
In interior ventilation shaft, on tube wall, the position away from bottom offers venthole, and therefore air quantity is filled into air film master by venthole
Internal portion, the position height of venthole is higher, therefore can avoid the activity of personnel bottom impact, and venthole is arranged to many
Individual, multiple ventholes interval is arranged, and therefore can avoid the problem that local velocity is too high.
Detailed description of the invention
Understandable, below in conjunction with the accompanying drawings to the present invention for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from
Detailed description of the invention be described in detail.Elaborate a lot of detail in the following description so that fully understanding this
Bright.But the present invention can implement to be much different from alternate manner described here, and those skilled in the art can be not
Doing similar improvement in the case of running counter to intension of the present invention, therefore the present invention is not limited by following public being embodied as.
It should be noted that when element is referred to as " being fixed on " another element, and it can be directly on another element
Or element placed in the middle can also be there is.When an element is considered as " connection " another element, and it can be to be directly connected to
To another element or may be simultaneously present centering elements.Term as used herein " vertical ", " level ", " left ",
For illustrative purposes only, being not offered as is unique embodiment for " right " and similar statement.
Unless otherwise defined, all of technology used herein and scientific terminology and the technical field belonging to the present invention
The implication that technical staff is generally understood that is identical.The term used the most in the description of the invention is intended merely to describe tool
The purpose of the embodiment of body, it is not intended that in limiting the present invention.Each technical characteristic of embodiment described above can be carried out arbitrarily
Combination, for making description succinct, all possible combination of each technical characteristic in above-described embodiment is not all described, so
And, as long as the combination of these technical characteristics does not exist contradiction, all it is considered to be the scope that this specification is recorded.
See also Fig. 1, Fig. 2, Fig. 4 and Fig. 5, be the pneumatic membrane building 10 in an embodiment.This pneumatic membrane building 10 can
For fair, exhibition, it is also possible to as industrial premises, storage workshop, be also used as Badminton Stadium etc..Specifically
Ground, this pneumatic membrane building 10 includes blower fan 100, air film main body 200, air supply duct structure 300, interior ventilation duct structure 400 and outer
Air duct structure 500.
Blower fan 100 is for inflating in air film main body 200.Certainly, in other embodiments, pneumatic membrane building 10 also may be used
Not carry blower fan 100, and by the way of external, now blower fan 100 can not together with pneumatic membrane building 10 complete production or/pin
Sell.
Offering air inlet 210 in air film main body 200, the air that blower fan is sent is filled with air film main body by air inlet 210
In 200.Air film main body 200 is prepared from by special building film material, utilizes inner and outer air pressure difference to support whole pneumatic membrane building 10.
When needing to strut air film main body 200, constantly it is passed through air by blower fan 100 internal to air film main body 200.Air film main body 200
Inner surface be provided with heat-insulation layer (not shown), heat-insulation layer is made up of insulation material, can improve the heat insulating ability of pneumatic membrane building 10
Energy.
Air supply duct structure 300 includes telescopic ajutage 310, support 320, snap ring (not shown) and is flexible coupling 330.
Telescopic ajutage 310 side of resting on the ground, therefore builds underground air passage without passing through to dig on the ground.
Seeing also Fig. 3, the material of ajutage 310 is bubble-tight.One end of ajutage 310 is connected with blower fan 100
Logical.Specific in present embodiment, the air outlet of blower fan 100 is located at by flange sleeve in one end of ajutage 310, by flange pair
Connect and be axially fixed ajutage 310.Sealing gasket (not shown) can also be set between ajutage 310 and blower fan 100, and close
The joint of vehicle-mounted flange on packing, and compress with pressing plate and realize sealing, close with increase between ajutage 310 and blower fan 100
Sealing property.
Certainly, in other embodiments, one end of ajutage can also be arranged at the air outlet of blower fan by clip,
Clip is that to be enclosed within the outside of ajutage radially secure.Being socketed for clip, sealing gasket is at ajutage inwall and in combination
Sealing outer wall annular seal ring.
Being provided with heat-insulation layer 311 on ajutage 310, heat-insulation layer 311 is made up of insulation material, can improve ajutage 310
Heat-insulating property, lose too many heat when preventing from being passed through hot blast, or when preventing from being passed through cold wind, absorb too many heat.
Specifically, ajutage 310 is cylindrical shape, and therefore the blast of all directions is uniform, and columnar structured saving material,
Comprcssive strength is big.The air-out of blower fan 100 when the length of ajutage 310 is greater than or does not blows afloat slightly larger than air film main body 200
Mouthful to be flexible coupling 330 center between distance.It is in order at pneumatic membrane building 10 by the longer of length setting of ajutage 310
The when of the most not blowing afloat, ajutage 310 length can reach the position of air film main body 200, just compression when of blowing afloat
To the normal length used.
Support 320 is used for supporting ajutage 310.Specifically, support 320 can with rustless steel square tube or angle steel make with
The structure that ajutage 310 matches.Being provided with arc groove on support 320, the outside of ajutage 310 matches with arc groove
Close, form the structure that ajutage 310 matches with support 320.When blower fan 100 works, ajutage 310 compresses, will with support 320
After ajutage 310 supports, telescopic ajutage 310 can be avoided to bend, affect after ajutage 310 bending can be avoided and send
Wind.
Specifically, the height of support 320 is gradually increased along the direction near air film main body 200, to coordinate ajutage 310 to exist
State during ventilation, prevents ajutage 310 from bending.
When will be in the environment of outdoor application and outdoor wind be relatively big, it is also possible to the outer peripheral edge card at ajutage 310 sets snap ring,
Snap ring is fixed on support 320 again.Such as, snap ring is screwed on support 320.The diameter of snap ring is more than ajutage
The diameter of 310.
Be flexible coupling 330 one end be arranged in air film main body 200, being flexible coupling 330 internal with air film main body 200 is connected.
The other end of ajutage 310 330 is connected with being flexible coupling.Such as, it is flexible coupling and 330 is arranged on air film main body 200 and offers air intake
At mouthfuls 210, it is internal that the air quantity come in from ajutage 310 enters air film main body 200 through being flexible coupling after 330 by air inlet 210.
Specifically, be flexible coupling 330 one end be welded in the outside of air film main body 200, be flexible coupling 330 the other end be welded in
On ajutage 310.After pneumatic membrane building 10 molding, air film main body 200 possesses certain degree of hardness, in the case of atrocious weather
(such as strong wind or heavy snow weather), air film main body 200 can produce swing or deformation.And being flexible coupling 330 is deformable, at air film
When main body 200 swings, ajutage 310 and air film master when 330 deformation that are flexible coupling can absorb these displacements thus reduce swing
The local stress that body 200 junction produces, protects air film main body 200.Be flexible coupling 330 inner surface be also equipped with heat-insulation layer, protect
Temperature layer is made up of insulation material, can increase heat-insulating property.
Above-mentioned air supply duct structure 300 at least has the advantage that
The air that blower fan 100 is sent by telescopic ajutage 310, again through being flexible coupling 330, after air inlet 210 logical
Enter air film main body 200 internal, maintain stable shape in air film main body 200 after inflation, owing to ajutage 310 rest on the ground
Side, therefore without building underground air passage, also to realize the quick and convenient air film main body 200 that is inflated to internal, advantageously reduces construction difficulty
Degree, also reduces construction cost and duration.And by arranging support 320 and snap ring, snap ring is arranged in outside ajutage 310
Periphery, for limiting the radial displacement of ajutage 310, but ajutage 310 can be axially retractable, therefore can be prevented effectively from and send
Airduct 310 bends, thus avoids affecting air output and blast.
Interior ventilation duct structure 400 includes that tube wall 410, tube wall 410 are arranged at the inner side of air film main body 200.Tube wall 410 with
Air film main body 200 be collectively forming one in ventilating duct 201, at this moment from 330 air quantity entered through air inlet 210 that are flexible coupling interior logical
In air channel 201.On tube wall 410, the position away from bottom offers venthole 411, and the air quantity in interior ventilating duct 201 is again through going out
It is internal that pore 411 enters air film main body 200.
Specifically, tube wall 410 is arranged at the inner side of air film main body 200 by the way of welding, is therefore possible not only to increase
Tube wall 410 and the fastness of air film main body 200, it is also possible to increase the sealing between tube wall 410 and air film main body 200.
Specifically, tube wall 410 starts to set out pore 411 at bottom 3~4 meters, and therefore the position of venthole 411 is offered
More much higher than the height of the personnel of air film main body 200 activity, thus without the activity affecting personnel.
The quantity of venthole 411 is multiple, and multiple ventholes 411 are spaced on tube wall 410.Specifically, multiple go out
Pore 411 is uniformly distributed on tube wall 410.Therefore, the air quantity entered within air film main body 200 by venthole 411 is also compared
Uniformly.The diameter range of venthole is 2~5cm.
Specific in present embodiment, tube wall 410 being further opened with interface 412, interface 412 is used for installing outer air duct.
In above-mentioned gas, ventilation duct structure 400 at least has the advantage that
When blower fan 100 works, the air that blower fan 100 is sent blows to air film main body 200 and pipe by air supply duct structure 300
In interior ventilation duct 310 road that wall 410 is collectively forming, on tube wall 410, the position away from bottom offers venthole 411, therefore wind
Measuring and be filled into air film main body 200 inside by venthole 411, the position height of venthole 411 is higher, therefore can avoid impact
The activity of bottom personnel.And being arranged to of venthole 411 is multiple, multiple ventholes 411 interval is arranged, and therefore can avoid office
The problem that portion's flow velocity is too high.
External air duct structure 500 includes outer air duct 510, joint 520, suspender belt 530 and the gimbal lever 540.Outer air duct 510
One end be connected with the interface 412 on tube wall 410.Specifically, one end of outer air duct 510 is by joint 520 and interface 412
Being connected, joint 520 is arranged on the interface 412 on tube wall 410.Such as, one end of air duct 510 and joint 520 are by weldering
The mode connect connects.The periphery of outer air duct 510 offers airduct pore 511.The other end of outer air duct 510 can be out
Mouthful, it is also possible to it is to close, or offers multiple airduct pore 511 again on the end closed.
Certainly, in other embodiments, it is also possible to directly draw in an independent wind from the outside of air film main body
Pipe, connects on outer air duct in the present embodiment, is filled with air by this outside air duct of independent airduct.
Outer air duct 510 is suspended in air film main body 200.Specifically, suspender belt is set by the periphery of air duct 510 outside
530, suspension centre 220 is set inside air film main body 200, one end of suspender belt 530 is connected with outer air duct 510, the other end of suspender belt 530
Being connected with suspension centre 220, outer air duct 510 is arranged on the suspension centre 220 inside air film main body 200 by suspender belt 530.
The quantity of suspender belt 530 is multiple, and multiple suspender belt 530 parallel interval are arranged on outer air duct 510, each to disperse
The weight that suspender belt 530 is born.
Seeing also Fig. 6, specifically, one end of suspender belt 530 is by being connected with the gimbal lever 540, and the gimbal lever 540 is again with outward
Air duct 510 is connected.Such as, external air duct structure also includes that slide block 550 and suspension rod 560, the gimbal lever 540 are hollow structure, and
The bottom of the gimbal lever 540 offers guide groove 541.Slide block 550 can move along the bottom of the gimbal lever 540, and one end of suspension rod 560 is arranged
On slide block 550, the other end of suspension rod 560 is arranged on outer air duct 510.Specifically, slide block can be pulley or roller.
Specifically, external air duct structure 500 also includes suspension ring 570, withholds 580 and connector 590, another of suspension rod 560
End is arranged on suspension ring 570, withholds 580 and is buckled on suspension ring 570, withholds 580 and be arranged on connector 590, and connector 590 is direct
It is arranged on outer air duct 510.Therefore, outer air duct 510 can be by withholding 580 Convenient buttons on suspension ring 570.
Above-mentioned outer air duct 510 structure 500 at least has the advantage that
The air that blower fan 100 is sent is after air inlet 210 enters in interior ventilation duct 310 road, and a part is from from tube wall 410
Venthole 411 to enter air film main body 200 internal, a part enters in outer air duct 510 by the interface 412 on tube wall 410,
Again by the airduct pore 511 of outer air duct 510 periphery, wind is delivered to other region within air film main body 200, make to be charged into
Hot blast or cold wind are evenly distributed to the regional within air film main body 200.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed, but also
Can not therefore be construed as limiting the scope of the patent.It should be pointed out that, come for those of ordinary skill in the art
Saying, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement, these broadly fall into the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.