CN103089545A

CN103089545A - Closed wind power generating equipment

Info

Publication number: CN103089545A
Application number: CN2011103382165A
Authority: CN
Inventors: 朱凯瑜
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-10-31
Filing date: 2011-10-31
Publication date: 2013-05-08

Abstract

Closed wind power generating equipment comprises a wind power generating device. The wind power generating device comprises a wind gathering cover, a first blower module, a rotating mechanism and a power generator in power connection with the rotating mechanism. The wind gathering cover comprises a housing pipe. The housing pipe is provided with an air inlet and an air outlet which faces the rotating mechanism. The first blower module is used for sucking in part of air flow entering the wind gathering cover and blowing the same to the rotating mechanism, and accordingly the power generator generates power even when wind power is insufficient. The closed wind power generating equipment can further comprise an air pipe. The wind power generating device is disposed in the air pipe, the air inlet of the housing pipe faces one air pipe inlet of the air pipe, so that wind speed of the air pipe inlet of the housing pipe can be increased, and wind energy and solar energy are utilized simultaneously.

Description

Closed wind power plant

Technical field

The present invention relates to a kind of power generating equipment, particularly relate to a kind of wind-force that utilizes and kinetic energy is converted to the closed wind power plant of electric energy.

Background technique

Also there is one day that is used up by exploitation based on environmental issue and the mineral products that are available for nuclear energy power generation, now except nuclear energy power generation, developed the mode of utilizing other natural resources generatings, for example hydroelectric power (tidal power generation), wind-power electricity generation, and other are as thermal power generation etc.

As TaiWan, China certificate book number M316329 and TaiWan, China certificate book number M318668 are disclosed, be wind power plant.

Summary of the invention

Purpose of the present invention, be to provide a kind of closed wind power plant different from the past.

Another object of the present invention, even be to provide a kind of air quantity of external environment to weaken at short notice to windless, still can maintain the closed wind power plant of continuous running generating.

The closed wind power plant of the present invention comprises a wind generating unit, and this wind generating unit comprises a wind-collection cover, one first blower module, a rotating mechanism and a generator.

This wind-collection cover comprises a case pipe, and this case pipe has an air intake and an outlet air end, and this outlet air end is formed with an exhaust outlet, and this air intake is formed with the intake grill that a bore is greater than this exhaust outlet.This first blower module comprises one first blower, and this first blower aspirates the part air-flow in the case pipe of this wind-collection cover and blows to this exhaust outlet.This rotating mechanism comprises that first shell and of the exhaust outlet of this case pipe of a connection is arranged at the rotating component in this first shell, and this rotating component comprises several blades, and described blade pass is crossed the air stream drives rotation of the exhaust outlet output of this case pipe.This generator is connected with the rotating component power of this rotating mechanism.

Further, this wind-collection cover also comprises a rectifying unit, and this rectifying unit is in this case pipe and between this intake grill and this exhaust outlet, and the air-flow linear flow that this rectifying unit guiding is entered by this intake grill is to this exhaust outlet.

Further, this first blower module also comprises the case pipe of this wind-collection cover of connection and the first air intake pipe and one first air outlet tube of this first blower, this the first air outlet tube one end connects this first blower, and the other end stretches in the case pipe of this wind-collection cover towards this exhaust outlet.

Further, this first air outlet tube is flat or the shape of cutting sth. askew towards an end mouth of pipe of this exhaust outlet.

Further, this wind generating unit also comprises one second blower module, this second blower module comprises that one second blower, connects the second air intake pipe, one second air outlet tube of this second blower and this case pipe, this the second air outlet tube one end connects this second blower, contiguous this rotating component of the other end and towards the tangent direction of described blade rotation.

Further, an end mouth of pipe of contiguous this rotating component of this second air outlet tube is flat or the shape of cutting sth. askew.

Further, this second blower module also comprises that one is arranged at this second air intake pipe and in order to stretch into the movable part in this case pipe, and this movable part is by with respect to this second air intake pipe activity, thereby controls the throughput that enters this second air intake pipe.

Further, this case pipe also has a shell wall and several air guide hole that runs through this shell wall, and for this case pipe, outer air-flow enters in this case pipe described air guide hole.

Further, this wind-collection cover also comprises one, and to be arranged at this case pipe outer and cover the jacket of described air guide hole, this wind generating unit also comprises one the 3rd blower module, and the 3rd blower module comprises one the 3rd blower, one the 3rd air intake pipe and one the 3rd air outlet tube.The 3rd air intake pipe connects the shell wall of the 3rd blower and this case pipe, and the air flow energy in this case pipe is extracted out through the 3rd air intake pipe.The 3rd air outlet tube connects the 3rd blower and this jacket, and the air-flow of extracting out for the 3rd blower is sent into this outer casing through the 3rd air outlet tube.

Further, this rotating mechanism also comprises several black boies, and described black box is arranged at described blade and extends towards the internal face of this first shell, in order to eliminate the gap between described blade and this first outer casing inner wall face.

Further, the air intake of this case pipe generally is bell mouth shape and can adjusts for radial dilatation and contraction the caliber size of this intake grill.

Further, this first shell is formed with the first opening of the exhaust outlet of this case pipe of a connection, and this rotating mechanism also comprises that one is arranged at the movable gate of this first shell and contiguous this first opening, this movable gate provides with respect to this first shell activity, in order to adjust the size of this this exhaust outlet of the first open communication.

Further, this wind generating unit also comprises an aqueous vapor collection module, this aqueous vapor is collected module and is comprised a second housing and several heat-exchange tube that is arranged at this second housing, this second housing is communicated with this first shell and uses the air-flow for this first shell enter and, by this heat-exchange tube, make the aqueous vapor that becomes entrained in air-flow be condensed into liquid water.

Further, this aqueous vapor is collected module and is also comprised several condensate films, and described heat-exchange tube is through described condensate film, and described condensate film plane of inclination is to the air-flow that enters this second housing.

Further, this wind generating unit also comprises a base, a telescoping rod and a flexible pipe fitting, this wind-collection cover is arranged on this base, this telescoping rod is arranged between this base and this wind-collection cover and can makes down contiguous reaching up away from this base of this wind-collection cover for driving, and this flexible pipe fitting connects exhaust outlet and this first shell of this case pipe.

Further, this wind generating unit also comprises that a base, a flexible pipe fitting, are arranged at the roller that the guide rail and on this base is arranged at this wind-collection cover and can rolls in this guide rail, this flexible pipe fitting connects exhaust outlet and this first shell of this case pipe, and this rotating mechanism is rotating to be arranged on this base.

Further, this wind generating unit also comprises a fan housing, and this fan housing is incorporated into this case pipe air intake and covers this intake grill, and this fan housing is provided with several vent holes.

Further, this fan housing comprises an equitant internal layer and a skin, described vent hole comprises several internal layer vent hole and several this outer field outer vent holes of being located at of being located at this internal layer, and this internal layer and this skin wherein one can be subject to drive with respect to the another one activity, make the corresponding connection of vent hole of described inside and outside layer or are staggered.

Further, this case pipe also has a leading portion and the back segment be connected, and this leading portion defines this air intake, this back segment defines this outlet air end, this leading portion is toward the Taper Pipe shape of the direction bore convergent of this back segment, and this back segment is the consistent tubulose of bore, and this first air outlet tube extends in this back segment.

Further, each blade have one for air-flow blow to windward side and a lee face, this lee face is cone-shaped.

Further, closed wind power plant also comprises an airduct, this airduct comprises an airduct body, this airduct body has the airduct entrance of a sideways open and up opens and be communicated with the wind tube outlet of this airduct entrance with one, this wind tube outlet bore is less than this airduct inlet calibre, this wind generating unit is arranged in this airduct body, and between this airduct entrance and this wind tube outlet, and the intake grill of this case pipe and this airduct entrance are in the same way.

Further, this airduct body can be for the traversing section and the vertical section that separate as being connected, this airduct entrance is positioned at this traversing section, this wind tube outlet is positioned at this vertical section, this airduct also comprises several heat absorbing members of vertical section that are arranged at this airduct body, and this heat absorbing member is in order to absorb heat to improve the intrinsic temperature of this airduct.

Further, this airduct body can be for the traversing section and the vertical section that separate as being connected, this airduct entrance is positioned at this traversing section, this wind tube outlet is positioned at this vertical section, this airduct also comprises several heating elements of vertical section that are arranged at this airduct body, and this heating element is to contiguous this wind tube outlet place heating of this airduct body.

Beneficial effect of the present invention is: by the setting of this first blower module, suction air-flow and be sent to this rotating component to drive described blade rotary when it can be weakened at the air quantity of external environment, maintain the lasting generating of this generator.

The accompanying drawing explanation

Fig. 1 is the schematic diagram of a wind generating unit of a preferred embodiment of the closed wind power plant of the present invention;

Fig. 2 is the schematic diagram of a case pipe of this preferred embodiment;

Fig. 3 is the sectional view of a rear fragment position of one first air outlet tube of this preferred embodiment and this case pipe;

Fig. 4 is the partial enlarged drawing that Fig. 1 indicates 19 places, and the air-flow signal of the back segment of this first air outlet tube and this case pipe is described;

Fig. 5 is the generalized section of the rectifying unit of this preferred embodiment;

Fig. 6 is the schematic diagram that one the 3rd blower module of this preferred embodiment also comprises a movable part;

Fig. 7 is the schematic diagram that the another kind of this movable part changes aspect;

Fig. 8 is that this preferred embodiment also comprises several schematic diagram along the peripheral air outlet tube arranged of the first shell;

Fig. 9 is the schematic diagram that the rotating mechanism of this preferred embodiment also comprises rotating component;

Figure 10 is the partial enlarged drawing at sign 10 places of Fig. 1, and the schematic diagram of thin section structure of a case shell wall of a wind-collection cover of this preferred embodiment is described;

Figure 11 is the schematic diagram of a Basic Flow power formula;

Figure 12 is the partial schematic sectional view of a rotating mechanism of this preferred embodiment, and the black box that is arranged at blade is described;

Figure 13 is that an aqueous vapor collection module of this preferred embodiment also can comprise several schematic diagram that are arranged at the condensate film in this second housing;

Figure 14 is a kind of schematic diagram that changes aspect of the wind generating unit of this preferred embodiment, and wherein, this wind-collection cover also comprises a fan housing;

Figure 15 is the schematic diagram that a variation aspect again of the wind generating unit of this preferred embodiment also comprises a base, a telescoping rod and a flexible pipe fitting;

Figure 16 is the schematic diagram of the telescoping rod start of Figure 15;

Figure 17 is the schematic diagram that the another variation aspect of the wind generating unit of this preferred embodiment also comprises a roller and guide rail;

Figure 18 is the plan view of Figure 17;

Figure 19 is the cross-sectional schematic that wind power plant of the present invention also comprises an airduct; And

In the aspect that Figure 20 is Figure 19, the end view of an airduct entrance of this airduct, and this airduct also can comprise a cone structure.

Embodiment

Below in conjunction with drawings and Examples, the present invention is described in detail.

Consult Fig. 1, a preferred embodiment of the closed wind power plant of the present invention comprises a wind generating unit 100, wind generating unit 100 comprises a wind-collection cover 1, a rotating mechanism 2, a generator 3 and one first blower module 4, wherein, extraneous air-flow is to enter in wind-collection cover 1 then by rotating mechanism 2, to drive rotating mechanism 2 runnings, make whereby the generator 3 be connected with rotating mechanism 2 produce electric power, and in the present embodiment graphic, wind-collection cover 1 is only signal with the size of rotating mechanism 2, and its actual size is that visual practical application changes.

Wind-collection cover 1 comprises a case pipe 11, several pressurization fan 15 and one connection tube 16, case pipe 11 has an air intake 111 and an outlet air end 112 of the air intake direction of air intake 111 dorsad, air intake 111 is formed with an intake grill 1118, outlet air end 112 is formed with an exhaust outlet 1128, the bore of intake grill 1118 is greater than exhaust outlet 1128, in the present embodiment, case pipe 11 can separate a leading portion 118 and the back segment 119 for being connected, leading portion 118 defines air intake 111 and back segment 119 defines outlet air end 112, and leading portion 118 generally is tapered tube shape and air intake 111 generally is loudspeaker opening shape, the bore of leading portion 118 is dwindled toward the direction of back segment 119 gradually by intake grill 1118, because leading portion 118 is to be tapered tube shape, bore geometrical shape of transverse section is identical everywhere for it, can reduce the loss produced when air-flow flows to back segment 119 by intake grill 1118.The structure of air intake 111 also can be arranged to can be for the aspect of radial dilatation and contraction, but the concrete aspect of its radial dilatation and contraction for example can be the structure of extension type or dismountable structure, so that adjust the caliber size of intake grill 1118, when air intake 111 is radially expanded and when the bore of intake grill 1118 is strengthened, can allow air quantity in a big way enter case pipe 11, while being made the bore of intake grill 1118 dwindle by radial contraction when air intake 111, air quantity more among a small circle enters case pipe 11.Back segment 119 is square tube type and connects leading portion 118 and rotating mechanism 2.

Tapering about case pipe 11 leading portions 118, coordinate and consult Fig. 2, wherein, the θ angle can be 10 degree left and right, particularly when 6 spend, due to the length of having elongated whole case pipe 11 leading portions 118, leading portion 118 taper slopes have been reduced, contribute to increase the wind speed in case pipe 11 leading portions 118, in addition, A1, A2 represents respectively the area of intake grill 1118 and exhaust outlet 1128, A1, Area Ratio between A2 with 3～5 times for better, for example, the area of intake grill 1118 of take is exhaust outlet 1128 areas 4 times, if the rotating component 22 of startup rotating mechanism 2 starts to rotate and drives the required minimum wind speed of generator 3 generating is 3m/s, based on A ₁v ₁=A ₂v ₂, the wind speed that enters intake grill 1118 just only needs 3 ÷ 4=0.75m/s to get final product, and therefore, by the taper design of case pipe 11 leading portions 118, even the weak situation of wind speed, the generating of can turning round equally, can increase the time that wind generating unit 100 runnings are generated electricity.

Pressurization fan 15 arranges in the leading portion 118 that is fixed in case pipe 11 (such as by modes such as screw locks), setting by described pressurization fan 15, when extraneous air quantity weakens, the sectional pressurization enters the air-flow of case pipe 11, in Fig. 1, be, in case pipe 11 everywhere cross-section location, a pressurization fan 15 is set, but can be also that case pipe 11 everywhere cross-section location arrange a plurality of pressurization fans 15.

The first blower module 4 comprises one first blower (Turbo Blower), 41,1 first air intake pipe 42, the first air outlet tube 43.One place, the outside of the first blower 41 contiguous case pipes 11 arranges.The first air intake pipe 42 connects case pipe 11 and the first blower 41, makes the air flow energy in case pipe 11 enter the first blower 41 via the first air intake pipe 42.One end of the first air outlet tube 43 connects the first blower 41, and the other end extends into that case pipe 11 is positioned at back segment 119 and towards the exhaust outlet 1128 of case pipe 11.The first air outlet tube 43 is to extend in the back segment 119 of case pipe 11, and the first air outlet tube 43 towards the end port footpath area preferably of case pipe 11 exhaust outlets 1128, be about case pipe 11 exhaust outlets 1128 the bore area 1/2nd, as shown in Figure 3, the bore of the first air outlet tube 43 end mouths of pipe can be also ovalize.

Rotating mechanism 2 comprises rotating rotating component 22, a movable gate 20 and the transmission shaft 25 be arranged in the first shell 21 of one first shell 21.The first shell 21 has the first opening 211 of connection case pipe 11 exhaust outlets 1128, in the present embodiment, the connection tube 16 of wind-collection cover 1 is connected between the back segment 119 and the first shell 21 of case pipe 11, make the back segment 119 of case pipe 11 connect the first opening 211 by connection tube 16, movable gate 20 is arranged on the position of first shell 21 contiguous the first openings 211 and can supplies adjusts with respect to the first shell 21 activities the size that the first opening 211 is communicated with exhaust outlet 1128.Rotating component 22 comprises a central rotating shaft 221 and several blades around central rotating shaft 221 222, central rotating shaft 22 is connected with generator 3 power by transmission shaft 25, and blade 222 can be together with central rotating shaft 221 around the central axis rotation of central rotating shaft 221 and by the first opening 211 of the first shell 21.

Each blade 222 has a windward side 2228 and a lee face 2229, blade 222 be by its windward side 2228 be subject to air-flow blow to and start, each lee face 2229 is to be cone-shaped, whereby, when blade 222 is blown rotation by air-flow, can reduce the suffered windage of lee face 2229 of blade 222.

When air-flow enters case pipe 11 by air intake 1118, at first via the segmentation of pressurization fan 15, pressurize, then, an air-flow part that is segmented pressurization in case pipe 11 enters the first blower 41 via the first air intake pipe 42, blow the exhaust outlet 1128 of past case pipe 11 and blow to blade 222 via the first air outlet tube 43 again, and the first air outlet tube 43 can be gradually-reducing shape toward the bore of the exhaust outlet 1128 of case pipe 11, improve whereby wind speed, when the air-flow that flows to exhaust outlet 1128 when the air intake 1118 of case pipe 11 blows to blade 222, just can be with moving vane 222 rotations, and by central rotating shaft 221, transmission shaft 25 drives generator 3 running generatings.

Coordinate and consult Fig. 4, the effect of the first air outlet tube 43 is, because its air-flow that blows the exhaust outlet 1128 of past case pipe 11 is through the first blower 41 raising speed, therefore, when the air-flow of the first air outlet tube 43 blows the exhaust outlet 1128 of past case pipe 11, based on white effort law (Bernoulli Law), can make in case pipe 11 pressure at both sides that is positioned at the air-flow that the first air outlet tube 43 sprays reduce and form negative pressure, this measure also contributes to make more extraneous air-flow to be entered by the intake grill 1118 of case pipe 11 due to pressure difference.Based on white effort law, when rate of flow of fluid increases, its pressure can reduce, therefore by air-flow is accelerated to be blown out by the first air outlet tube 43, can make to be positioned at by the pressure decreased arround the air-flow blown out by the first air outlet tube 43 in case pipe 11 back segments 119, and then the air-flow driven arround case pipe 11 back segments 119 accelerates, for instance, because the bore area of the first air outlet tube 43 and the outlet bore Area Ratio of back segment 119 exhaust outlets 1128 are 1: 2, if the air-flow velocity that the first air outlet tube 43 blows out is 1 unit, drive the overall flow rate the best that enters the first shell 21 and blow to blade 222 by back segment 119 exhaust outlets 1128 and can reach 3 times of flow velocitys, based on wind energy density, be

w = \frac{1}{2} ρ V^{3} (watt / m^{2})

Due to V ³very big with V difference, for example, when V=3m/s, V ³be 27m/s, therefore, can significantly promote for the flow velocity of air-flow.

W(total?work)＝W×A

A = Σ_{n = 1}^{n} A_{1} + A_{2} + A_{3} + \cdot \cdot \cdot + A_{n}

Therefore the increase of flow velocity, contribute to improve the power that puts on blade 222 unit areas, and then improve the kinetic energy of rotating component 22 runnings.

Therefore, if the taper design with aforementioned case pipe 11 leading portions 118 can make air-flow velocity improve 4 times, coordinate and can add the greatly design of 3 times of flow velocitys herein again, in theory, when air-flow enters the leading portion 118 of case pipe 11 until when entering the first shell 21 and blowing to blade 222, its flow velocity maximum can be raised to 12 times altogether, and certainly, the actual operation process still can produce loss.

Coordinate and consult Fig. 5, the preferably, wind-collection cover 1 also can comprise a rectifying unit 12, rectifying unit 12 is arranged in case pipe 11 and between intake grill 1118 and exhaust outlet 1128, in the present embodiment, rectifying unit 12 is arranged on leading portion 118 vicinities of case pipe 11 and the joint of back segment 119, and rectifying unit 12 comprises several linearly extended straight tube-like passages 121.Because case pipe 11 is to be the Taper Pipe shape, when air-flow flows to exhaust outlet 1128 by the intake grill 1118 of case pipe 11, the air-flow that contiguous case pipe 11 internal faces are advanced is easier to produce sinuous flow, therefore, setting by rectifying unit 12, but the guided portion air-flow advances with rectilinear direction, reduce the generation of sinuous flow, reduce the loss that air-flow produces in the intake grill 1118 of case pipe 11 flows to the process of exhaust outlet 1128, in other words, because case pipe 11 is to be taper, therefore by the setting of rectifying unit 12, can by the air-flow rectification that enters case pipe 11, be laminar condition, reduce the flow velocity loss.The concrete structure of rectifying unit 12 can be in pipe and several dividing plates are set form, and rectifying unit 12 also can comprise several pipes that wear, to form the structure of inside and outside multilayer, for example Fig. 5 be have inside and outside two-layer.

The preferably, the wind generating unit 100 of the present embodiment also can comprise one second blower module 5.The second blower module 5 comprises one second blower (Turbo Blower) 51, one second air intake pipe 52 and one second air outlet tube 53, the second blower 51 is arranged on one place, the outside of case pipe 11, in the present embodiment, the second blower 51 is blowers of selecting a ultrahigh pressure specification, the second air intake pipe 52 connects case pipe 11 and the second blower 51, make the air flow energy in case pipe 11 enter the second blower 51 via the second air intake pipe 52, the second air outlet tube 53 1 ends are communicated with the second blower 51, the contiguous rotating component 22 of the other end and the tangent direction of rotating towards blade 222, make the air-flow that enters the second blower 51 via the second air intake pipe 52 also can be blowed to by the second air outlet tube 53 blade 222 of rotating mechanism 2, increase the kinetic energy that blade 222 rotates, one end of the second air outlet tube 53 contiguous rotating components 22 roughly position passes through the position in the downstream of the first shell 21 first openings 211 at the blade 222 of rotating component 22.

The preferably, an end mouth of pipe of the second air outlet tube 53 contiguous rotating components 22 all can be flat or be the shape of cutting sth. askew, the speed blown out by the second air outlet tube 53 to improve air-flow.

Consult Fig. 6, this second blower module 5 also can comprise a movable part 54, movable part 54 can be arranged to slide along the length direction of the second air intake pipe 52 and stretch in case pipe 11 or exit case pipe 11, setting by movable part 54, when the second blower module 5 need to extract relatively large air-flow by case pipe 11, can drive movable part 54 to enter in case pipe 11, tackle whereby relatively large air-flow and enter the second air intake pipe 52, the concrete aspect of movable part 54 can be the body that for example is arranged in the second air intake pipe 52 and has one in order to stretch into the mouth of pipe 541 of cutting sth. askew in case pipe 11.Consulting Fig. 7, is the movable part 55 of another kind variation aspect, and wherein, movable part 55 is to be arranged to the aspect of case pipe 11 rotations relatively.Concrete set-up mode that can relative the second air intake pipe 52 activities about movable part 53,54, can reach by various mechanism design, in this explanation no longer one by one.

Consult Fig. 1, Fig. 8, for improving the rotation function of rotating component 22, except the second air outlet tube 53 of the second blower module 5, this wind generating unit 100 also can comprise several the first shells 21 along rotating mechanism 2 and arrange and the air outlet tube 24 towards rotating component 22 blades 222 with tangent direction, described air outlet tube 24 15～30 degree angles that can be separated by each other approximately, the angle that described air outlet tube 24 distributes along the first shell 21 can be approximately 180 degree, and the air outlet tube 24 of each angular orientation can be also have overlapping several along vertical view 8 page, the air outlet tube 24 distributed by 180 degree, improve the rotary inertia of rotating component 21:

W = \frac{1}{2} {Iω}^{2}

I = \underset{i = 1}{Σ} m_{i} r_{i}^{2},

(mi is point mass, and ri is that particle is to the rotating shaft distance)

The air-flow of described air outlet tube 24 can be also to be provided by air compressor, or air outlet tube 24 can be also the mode of being arranged to as the second blower module 5, and in other words, wind generating unit 100 can comprise several the second blower modules 5.

Consult Fig. 1, Fig. 9, for increasing the output kinetic energy of rotating mechanism 2, rotating mechanism 2 also comprises a pair of secondary fan 27 (a wherein secondary fan 27 only is shown in figure), each secondary fan 27 has several blades 271, aforesaid rotating component 22 can be arranged between two secondary fans 27 and with two secondary fans 27 and coaxially be connected, in addition, the second blower module 5 also comprises the 4th air outlet tube 56 (wherein one the 4th air outlet tube 56 only is shown in figure) of a pair of connection the second blower 51 (as Fig. 1), the second air outlet tube 53 and the 4th air outlet tube 56 can be considered the pipeline by the second blower 51 bifurcateds, the 4th air outlet tube 56 blows to the rotor blade 271 of secondary fan 27 in order to the part air-flow by the second blower 51, drive whereby secondary fan 27 rotations.

Consult Fig. 1, Figure 10, in the present embodiment, due to the appearance structure of case pipe 11 be roughly be the Taper Pipe shape and by intake grill 1118 the direction bore convergent toward exhaust outlets 1128, so, when air-flow is advanced along the internal face of case pipe 11, be easier to produce friction and cause loss with the internal face of case pipe 11, therefore, the at least part zone of case pipe 11 shell walls 113 of the present embodiment is provided with several air guide holes that run through 115, and described air guide hole 115 tilts toward the direction of exhaust outlet 1128, send into air-flow in air guide hole 115 enters case pipe 11 by the shell wall 113 from case pipe 11, make shell wall 113 surfaces of case pipe 11 form similar pneumatically supported effect, its role is to, as shown in figure 11, it is a Basic Flow power formula schematic diagram, the present embodiment is shell wall 113 surfaces by making case pipe 11 because the setting of air guide hole 115 forms similar pneumatically supported effect, the friction produced when reducing whereby air-flow and advancing along shell wall 113 internal faces of case pipe 11, in other words, form similar pneumatically supported mechanism by air guide hole 115, the present embodiment can make the flow velocity of air-flow of internal face of contiguous case pipe 11 non-vanishing.The tilt angle alpha of described air guide hole 115 can be below 10 degree.

Aforementionedly air-flow is sent into to specific practices in case pipe 11 can be wind-collection cover 1 for example and also comprise one to be arranged on case pipe 11 shell walls 113 outer and cover jacket 13 and one the 3rd blower module 6 of described air guide hole 115, jacket 13 can be single and cover shell wall 113 outer wall of whole case pipe 11 or the part everywhere of several cover package respectively 11 shell walls 113, the 3rd blower module 6 comprises one the 3rd blower (Turbo Blower) 61, one the 3rd air intake pipe 62 and one the 3rd air outlet tube 63, in the present embodiment, the 3rd blower 61 is to select the blower of pressing specification in, the 3rd air intake pipe 62 1 ends connect the 3rd blower 61, the other end connects the shell wall 113 of case pipe 11 and is communicated with case pipe 11 inner spaces, and the end that the 3rd air intake pipe 62 connects case pipe 11 is the outlet air end 112 and first between case pipe 11, the second air intake pipe 42, 52 connect between the position of case pipe 11 shell walls 113, in other words, the 3rd air intake pipe 62 is to be connected to case pipe 11 near back segment 119, the 3rd air outlet tube 63 1 ends connect the 3rd blower 61, the other end connected with outer casing cover 13 and being communicated with case pipe 11 inner spaces by air guide hole 115, and an end of the 3rd air outlet tube 63 connected with outer casing covers 13 is the air intakes 111 and first between case pipe 11, the second air intake pipe 42, 52 connect between the position of case pipe 11 shell walls 113, setting by the 3rd blower module 6, make the air flow energy in case pipe 11 extract out via the 3rd air intake pipe 62, formation enters the air-flow in case pipe 11 through jacket 13 and air guide hole 115.

Additional disclosure, first, second, third blower 41,51,61 of the present embodiment changes in aspect at another kind, also can use high-pressure compressor to replace.

Consult Fig. 1, Figure 12, no matter be the exhaust outlet 1128 by case pipe 11, the first blower module 4 or the second blower module 5 blow the air-flow toward blade 222, for air flow energy is rotated for promoting blade 222 fully, the preferably, rotating mechanism 2 can also comprise several black boies 23, described black box 23 is separately positioned on the outer rim of described blade 222 and extends towards the internal face of the first shell 21, the setting of described black box 23 is even eliminated the gap between blade 222 and the first shell 21 internal faces in order to reduce, reducing the air-flow that blows to blade 222 is run off by the gap between blade 222 and the first shell 21.

Consult Fig. 1, Fig. 8, Figure 13, supplementary notes is again, this wind generating unit 100 also can also comprise an aqueous vapor collection module 7, this aqueous vapor is collected the second housing 71 that module 7 can comprise the first shell 21 of a connection rotating mechanism 2, be arranged on the several heat-exchange tubes 72 in second housing 71, the position that second housing 71 is communicated with the first shell 21 is that the upstream of the first air outlet tube 43 is passed through at the blade 222 of rotating component 22 in position, the downstream part of whole the first shell 21 internal gas flows namely, therefore the first shell 21 is positioned at the upstream position of the first opening 211 and also is formed with one the 3rd opening 213 in order to be communicated with the space of second housing 71, and the first shell 21 also can comprise several grizzly bars 26 that are arranged at separately the 3rd opening 213, grizzly bar 26 Strengthenable the first shells 2 are positioned at the structural strength at the 3rd opening 213 places, the section of grizzly bar 26 can be most advanced and sophisticated triangle in the first shell 21, reduce air-flow and flowed to the resistance of second housing 71 by the first shell 21.

In addition, second housing 71 also is provided with an outlet 711, and heat-exchange tube 72 is the upstreams that are positioned at outlet 711, for the air-flow by heat-exchange tube 72, discharges extraneous.

The effect that this aqueous vapor is collected module 7 settings is, because the air-flow that is entered wind-collection cover 1 by the external world may contain a large amount of aqueous vapors and its temperature is higher, therefore can be via the 3rd opening 213 inflows and by heat-exchange tube 72 for the residual gas stream in rotating mechanism 2 by second housing 71 is set, make the contained aqueous vapor of air-flow be condensed into liquid water and collected and can be further used for other purposes, in addition, collection for convenience of liquid water, this aqueous vapor is collected module 7 also can also comprise several condensate films 73, described condensate film 73 is arranged between described heat-exchange tube 72 and for heat-exchange tube 72 and is stretched through, and the angle of condensate film 73 is to omit low dip, be plane of inclination to the air-flow that enters the 3rd opening 213, while due to the air-flow in the first shell 21, via the 3rd opening 213, flowing into the second housing 71 of aqueous vapor collection module 7, relation due to pressure decreased, air-flow can absorb heat energy and ambient temperature is reduced, therefore, pass through condensate film 73 by air-flow, can make relatively large condensation aqueous vapor be attached on condensate film 73, and the electromagnetic shaker (not shown) that coordinates a connection heat-exchange tube 72, the water droplet be attached on condensate film 73 can be shaken, to accelerate to collect the water yield, and the water of collecting filters through modes such as physics and semipermeable membranes, and then can be transformed into potable water, and except using electromagnetic shaker, condensate film 73 also can coordinate the air knife (not shown) to use, the water droplet that utilizes air knife will be attached on condensate film 73 blows off concentrated.

Above-mentioned air outlet tube 24 and the needed electric energy of heat-exchange tube 72 running, all can be provided by wind generating unit 100.

Consulting Figure 14, is a kind of variation aspect of the present invention, and wherein, wind generating unit 101 also comprises that one covers the fan housing 85 of intake grill 1118 in order to the air intake 111 that is combined in wind-collection cover 1.

In the present embodiment, fan housing 85 comprises an equitant internal layer 851 and a skin 852, internal layer 851 is provided with several internal layer vent holes 853, outer 852 are provided with several outer vent holes 854, and internal layer 851 with outer 852 wherein one can be subject to for example to drive, with respect to another one activity (relative rotation), in making, outer vent hole 853, 854 corresponding connections or be staggered, the effect of fan housing 85 is for example for example, when extraneous wind-force excessive (meeting with typhoon), can avoid powerful wind-force directly to be blown in case pipe 11 and damage wind-collection cover 1 internal component, and in making by control, outer vent hole 853, 854 are connected or are staggered, can control and make the extraneous wind-force of part via interior, outer vent hole 853, 854 enter in wind-collection cover 1 and maintain and continue generating or seal intake grill 1118 fully, and in controlling, outer vent hole 853, 854 degree that are connected, also can control air output, certainly, the structure of fan housing 85 can be also individual layer and be provided with equally several vent holes.In addition, fan housing 85 also can be arranged to detachable, when extraneous wind-force is stronger, fan housing 85 can be unloaded, and makes mass air flow can directly enter wind-collection cover 1.

In addition, in the variation aspect of Figure 14, between generator 3 and rotating mechanism 2, be provided with such as the universal joint that coordinates wind-collection cover 1 rotatable mechanism, clutch 31 etc.

As Figure 15, shown in Figure 16, a variation aspect again of closed wind generating unit 102 also can comprise one for the base 81 that is arranged at earth's surface, one telescoping rod 82 and a flexible pipe fitting 80, wherein, base 81 is that the wind-collection cover 1 that can Gong combine arranges thereon with rotating mechanism 2, telescoping rod 82 is arranged on base 81 and in order to be supported in wind-collection cover 1 below, the concrete structure of telescoping rod 82 can be for example pneumatic cylinder, flexible pipe fitting 80 be the outlet air end 112 that is connected in wind-collection cover 1 with the first shell 21 of rotating mechanism 2 between and be communicated with exhaust outlet 1128 and the first opening 211, the concrete structure of flexible pipe fitting 80 can be for example fold flexible pipe, setting by flexible pipe fitting 80, make the wind-collection cover 1 can be with respect to rotating mechanism 2 activities, and by the setting of telescoping rod 82, can be for adjusting level angle and the luffing angle of wind-collection cover 1 with respect to base 81, angle so as to the intake grill 1118 of adjusting wind-collection cover 1 along with the change of extraneous wind direction.3, generator can be arranged at base 81 belows and be connected with rotating mechanism 2 power, and can be provided with such as the universal joint that coordinates wind-collection cover 1 rotatable mechanism, clutch 31 etc. between generator 3 and rotating mechanism 2.

Consult Figure 17, Figure 18, perhaps, the another variation aspect of wind generating unit 103 also can comprise that one is arranged at guide rail 83 and on base 81 and is arranged at wind-collection cover 1 and can be in the roller 84 of guide rail 83 interior rollings, guide rail 83 and the replaceable aforesaid telescoping rod 82 of roller 84, and rotating mechanism 3 is rotating be arranged at (for example transmission shaft 25 is rotating being arranged on base 81) on base 81, therefore, by promoting wind-collection cover 1, roller 84 is slided along guide rail 83, just the level angle of capable of regulating wind-collection cover 1.

In the present embodiment, guide rail 83 is to be arranged to 360 degree ring-types, and another effect that guide rail 83 is set also is, when extraneous wind-force is excessive (as the typhoon sky), the direction adjustment of wind-collection cover 1 can be rotated to downwind, reduce high wind and directly blow the destruction of hitting wind-collection cover 1 and may cause.

Perhaps, by other forms of mechanism design, also can allow wind-collection cover 1 can supply to adjust its luffing angle and level angle simultaneously.

Further, because this wind generating unit 103 is closed, the shell of each member of wind-collection cover 1 (as the first shell 21 of case pipe 11, rotating mechanism 2 and the shell of generator 3 etc.) can be metal material, avoid the problem that generates electromagnetic waves and disturb, and its outer also can coating respectively in conjunction with a plastic cushion 14 (seeing Fig. 1), but the noise and vibration that plastic cushion 14 absorption component runnings produce.

Wind generating unit 100 of the present invention is by the setting of the first blower module 4 and the second blower module 5, make it can weaken at the air quantity of external environment when even static the suction air-flow and be sent to rotating component 22 with 222 rotations of band moving vane, maintain the lasting generating of generator 3, even weaken at short notice to windless therefore really can reach the air quantity of the present invention's external environment, still can maintain the effect of continuous running generating, and, by the setting of flow guiding unit 12 and case pipe 11 shell walls 113, air guide hole 115, can reduce air-flow in the interior mobile loss of case pipe 11.

And the present invention is arranged to can supply to adjust its luffing angle or level angle by wind-collection cover 1, can be for the direction of adjusting wind-collection cover 1 along with the variation of extraneous wind direction, reach the best angle that receives extraneous air-flow, increase the flexibility ratio of this wind generating unit 102,103 (seeing Figure 16,17) running.

Consult Figure 19, the closed wind power plant of the present invention also comprises an airduct 9 and a fourth round machine module 95.Airduct 9 comprises an airduct body 91 and several heat absorbing members 92 that are arranged at airduct body 91, the outer wall of airduct body 91 can be a heat absorption surface, the airduct entrance 911 and one that airduct body 91 has a sideways open is open wind tube outlet 912 up, the airduct body 91 of the present embodiment is curved arc shape can be for the traversing section 913 and the vertical section 914 that separate as being connected, traversing section 913 is upwards streamline shape and tilts to extend, airduct entrance 911 is positioned at traversing section 913 and wind tube outlet 912 is positioned at vertical section 914 ends, and the bore of wind tube outlet 912 is less than the bore of airduct entrance 911, and vertically the height of section 914 with the length much larger than traversing section 913 for better, make the wind speed at wind tube outlet 912 places be greater than the wind speed at airduct entrance 911 places.In the present embodiment, described heat absorbing member 92 in the form of sheets, part is protruded the contiguous airduct entrance 911 of traversing section 913 outer surfaces that is formed at airduct body 91, part is protruded the contiguous wind tube outlet 912 of vertical section 914 outer surfaces that is formed at airduct body 91, described heat absorbing member 92 can directly adopt the heat absorption material, or use solar panels to coordinate electric-heating assembly, or artificial backing (also can pass through electric power, gas fuel Heating in case of necessity), while directly using the heat absorption material, the heat energy of its absorption just can directly add warm-air pipe body 91.While using solar panels to coordinate electric-heating assembly, the electric power that solar panels itself produce can apply to electric-heating assembly, make electric-heating assembly produce the outer wall of thermal energy conduction to airduct body 91, perhaps, if utilize separately solar panels, the angle of inclination arranged by solar panels, also directly reflecting part (for example approximately 40%) solar beam, to the outer wall of airduct body 91, is directly heated airduct body 91.

Fourth round machine module 95 comprises one the 4th blower (Turbo Blower) 951,1 the 4th air intake pipe 952, the 4th air outlet tube 953.The contiguous airduct body 91 of the 4th blower 951 vertically arranges at one place, the outside of section 914.The 4th air intake pipe 952 connects vertically section the 914 and the 4th blower 951 of airduct body 91, makes the air flow energy in vertical section 914 enter the 4th blower 951 via the 4th air intake pipe 952.One end of the 4th air outlet tube 953 connects the 4th blower 951, the other end extends into vertically section 914 and contiguous and towards wind tube outlet 912 of airduct body 91, the 4th air outlet tube 953 is towards the end port footpath area of wind tube outlet 912 and the bore area relationship of wind tube outlet 912, can be suitable towards the bore area relationship of the end port footpath area of case pipe 11 exhaust outlets 1128 and case pipe 11 exhaust outlets 1128 with the first air outlet tube 43 in Fig. 1.

Aforesaid wind generating unit 100 (or

wind generating unit

101, 102, 103) be arranged on the interior contiguous airduct entrance 911 of traversing section 913 of airduct body 91, and the intake grill 1118 of case pipe 11 and airduct entrance 911 are in the same way, and case pipe 11 rears also can arrange a guide member 93 again, the bearing of trend of guide member 93 is the direction of tube body 914 with the wind, up flow to wind tube outlet 912 in order to air-guiding, avoid producing sinuous flow, and in the present embodiment, when wind generating unit 100 is arranged on the traversing section 913 of airduct body 91 when interior, the center of case pipe 11 intake grills 1118 is coaxial with airduct entrance 911 center.

When heat absorbing member 92 absorbs heat energy when (as absorbed external temperature), can make traversing section 913 and the temperature in vertical section 914 raise, and the wind speed that is positioned at airduct entrance 911 places in airduct body 91 raises, thereby make airduct entrance 911 and wind tube outlet 912 form pressure reduction, make an air-flow at airduct entrance 911 because the relation of pressure reduction is mobile toward the direction of wind tube outlet 912, the whole forced convection effect that forms similar stovepipe, and then can impel the intake grill 1118 that has again relatively large air-flow to enter case pipe 11, improve electricity generation efficiency.

And by the setting of fourth round unit 95, blow to again wind tube outlet 912 after utilizing air-flow in the 4th air intake pipe 952 pumping unit airduct bodies 91 to accelerate via the 4th blower 951, can more improve the airspeed of wind tube outlet 912.

Heat absorbing member 92 also can replace with heating element vertical section 914 of airduct body 91 heated, and can reach the air current flow of impelling airduct body 91 inside equally, and then drives extraneous air-flow and continue to enter case pipe 11.

The bottom that airduct body 991 is positioned at traversing section 913 can be provided with coordinating of roller 94 or roller and track, makes airduct 9 have the movable property that apparent direction of wind changes orientation, and vertical section 914 of airduct body 91 are supported in wall 90.

Consult Figure 20, additional disclosure is again, airduct 9 also can comprise a cone structure 96 that is arranged at the top tube wall of traversing section 913, setting by cone structure 96, can prevent when closed wind power plant is applied to snowfield, avoid airduct 9 accumulated snow, affect the running of heat absorbing member 92, and cone structure 96 can be transparent plate and is connected to form, described heat absorbing member 92 can be masked in cone structure 96 belows, take transparent material can avoid cone structure 96 to affect the running of solar panels, and cone structure 96 also can be arranged to can be removable for what separated by airduct 9.

Therefore, comprehensive above stated specification, the present invention has following effect:

One,, when extraneous wind-force is enough, this wind generating unit 100,101,102,103, except the electric power of running itself is provided, also can provide the electric power of context, household's daily life needs, really reaches the purpose that arranges of its wind-power electricity generation.

Two, when the extraneous abatement of wind, also can be used in conjunction with the civil power of small part, maintain the running generating of wind generating unit 100,101,102,103.

Three, wind generating unit 100,101,102,103 can be arranged at the environment that whole day has lasting generation natural wind more than 9 hours at least, utilize the natural wind supply of at least 9 hours to make wind generating unit 100,101,102,103 running generatings, just be enough to provide context or the round-the-clock power supply of household.

Four, wind generating unit 100,101,102,103 is by only arranging the simple structure of single group rotating mechanism 2.

Five, by the setting of case pipe 11 shell wall 113 air guide holes 115, can make shell wall 113 surfaces of case pipe 11 form similar pneumatically supported effect, reduce the friction produced when air-flow is advanced along shell wall 113 internal faces of case pipe 11.

Six, the setting of the pressurization fan 15 by case pipe 11 leading portions 118, can carry out the segmentation pressurization to the air-flow that enters case pipe 11 leading portions 118, improves whereby air-flow velocity.

Seven, collect the setting of module 7 by aqueous vapor, the aqueous vapor in air-flow can be condensed into to liquid water, and, by filter type, form potable water, reach the effect that takes full advantage of energy.

Eight, the setting by airduct 9 is coated on wind generating unit 100,101,102,103 peripheries and absorbs heat energy (as solar energy), two kinds of natural energy sources (comprising wind-force and solar energy) are used in independent or merging, the airspeed of wind-collection cover 1 intake grill 1118 is increased, can impel the air current flow of airduct body 91 inside, and then drive extraneous air-flow and continue to enter case pipe 11, and then improve electricity generation efficiency.

Claims

1. a closed wind power plant, comprise a wind generating unit, and this wind generating unit comprises a rotating mechanism and a generator, and this generator is connected with this rotating mechanism power; It is characterized in that wind generating unit also comprises:

One wind-collection cover, comprise a case pipe, and this case pipe has an air intake and an outlet air end, and this outlet air end is formed with an exhaust outlet, and this air intake is formed with the intake grill that a bore is greater than this exhaust outlet; And

One first blower module, comprise one first blower, and this first blower aspirates the part air-flow in the case pipe of this wind-collection cover and blows to this exhaust outlet;

This rotating mechanism comprises that first shell and of the exhaust outlet of this case pipe of a connection is arranged at the rotating component in this first shell, this rotating component is connected with this generator, this rotating component comprises several blades, and described blade pass is crossed the air stream drives rotation that the exhaust outlet of this case pipe is exported.

2. closed wind power plant according to claim 1, it is characterized in that: this wind-collection cover also comprises a rectifying unit, this rectifying unit is in this case pipe and between this intake grill and this exhaust outlet, and the air-flow linear flow that this rectifying unit guiding is entered by this intake grill is to this exhaust outlet.

3. closed wind power plant according to claim 1, it is characterized in that: this first blower module also comprises the case pipe of this wind-collection cover of connection and the first air intake pipe and one first air outlet tube of this first blower, this the first air outlet tube one end connects this first blower, and the other end stretches in the case pipe of this wind-collection cover towards this exhaust outlet.

4. closed wind power plant according to claim 3, it is characterized in that: this first air outlet tube is flat or the shape of cutting sth. askew towards an end mouth of pipe of this exhaust outlet.

5. according to the described closed wind power plant of the arbitrary claim of claim 1 to 4, it is characterized in that: this wind generating unit also comprises one second blower module, this second blower module comprises that one second blower, connects the second air intake pipe, one second air outlet tube of this second blower and this case pipe, this the second air outlet tube one end connects this second blower, contiguous this rotating component of the other end and towards the tangent direction of described blade rotation.

6. closed wind power plant according to claim 5 is characterized in that: an end mouth of pipe of contiguous this rotating component of this second air outlet tube is flat or the shape of cutting sth. askew.

7. closed wind power plant according to claim 5, it is characterized in that: this second blower module also comprises that one is arranged at this second air intake pipe and in order to stretch into the movable part in this case pipe, this movable part passes through with respect to this second air intake pipe activity, thereby controls the throughput that enters this second air intake pipe.

8. closed wind power plant according to claim 5, it is characterized in that: this case pipe also has a shell wall and several air guide hole that runs through this shell wall, and for this case pipe, outer air-flow enters in this case pipe described air guide hole.

9. closed wind power plant according to claim 8, it is characterized in that: this wind-collection cover also comprises one, and to be arranged at this case pipe outer and cover the jacket of described air guide hole, this wind generating unit also comprises one the 3rd blower module, and the 3rd blower module comprises:

One the 3rd blower;

One the 3rd air intake pipe, connect the shell wall of the 3rd blower and this case pipe, and the air flow energy in this case pipe is extracted out through the 3rd air intake pipe; And

One the 3rd air outlet tube, connect the 3rd blower and this jacket, and the air-flow of extracting out for the 3rd blower is sent into this outer casing through the 3rd air outlet tube.

10. closed wind power plant according to claim 8, it is characterized in that: this rotating mechanism also comprises several black boies, described black box is arranged at described blade and extends towards the internal face of this first shell, in order to eliminate the gap between described blade and this first outer casing inner wall face.

11. closed wind power plant according to claim 10 is characterized in that: the air intake of this case pipe is bell mouth shape and can adjusts for radial dilatation and contraction the caliber size of this intake grill.

12. closed wind power plant according to claim 1, it is characterized in that: this first shell is formed with the first opening of the exhaust outlet of this case pipe of a connection, and this rotating mechanism also comprises that one is arranged at the movable gate of this first shell and contiguous this first opening, this movable gate is with respect to this first shell activity, in order to adjust the size of this this exhaust outlet of the first open communication.

13. closed wind power plant according to claim 1, it is characterized in that: this wind generating unit also comprises an aqueous vapor collection module, this aqueous vapor is collected module and is comprised a second housing and several heat-exchange tube that is arranged at this second housing, this second housing is communicated with this first shell and uses the air-flow for this first shell enter and, by this heat-exchange tube, make the aqueous vapor that becomes entrained in air-flow be condensed into liquid water.

14. closed wind power plant according to claim 13 is characterized in that: this aqueous vapor is collected module and is also comprised several condensate films, and described heat-exchange tube is through described condensate film, and described condensate film plane of inclination is to the air-flow that enters this second housing.

15. closed wind power plant according to claim 1, it is characterized in that: this wind generating unit also comprises a base, a telescoping rod and a flexible pipe fitting, this wind-collection cover is arranged on this base, this telescoping rod is arranged between this base and this wind-collection cover and can makes down contiguous reaching up away from this base of this wind-collection cover for driving, and this flexible pipe fitting connects exhaust outlet and this first shell of this case pipe.

16. closed wind power plant according to claim 1, it is characterized in that: this wind generating unit also comprises that a base, a flexible pipe fitting, are arranged at the roller that the guide rail and on this base is arranged at this wind-collection cover and can rolls in this guide rail, this flexible pipe fitting connects exhaust outlet and this first shell of this case pipe, and this rotating mechanism is rotating to be arranged on this base.

17. closed wind power plant according to claim 1 is characterized in that: this wind generating unit also comprises a fan housing, this fan housing is incorporated into this case pipe air intake and covers this intake grill, and this fan housing is provided with several vent holes.

18. closed wind power plant according to claim 17, it is characterized in that: this fan housing comprises an equitant internal layer and a skin, described vent hole comprises several internal layer vent hole and several this outer field outer vent holes of being located at of being located at this internal layer, and this internal layer and this skin wherein one can be subject to drive with respect to the another one activity, make described internal layer vent hole with the corresponding connection of outer vent hole or are staggered.

19. closed wind power plant according to claim 3, it is characterized in that: this case pipe also has a leading portion and the back segment be connected, this leading portion defines this air intake, this back segment defines this outlet air end, this leading portion is toward the Taper Pipe shape of the direction bore convergent of this back segment, this back segment is the consistent tubulose of bore, and this first air outlet tube extends in this back segment.

20. closed wind power plant according to claim 1 is characterized in that: each blade have one for air-flow blow to windward side and a lee face, this lee face is cone-shaped.

21. closed wind power plant according to claim 1, it is characterized in that: closed wind power plant also comprises an airduct, this airduct comprises an airduct body, this airduct body has the airduct entrance of a sideways open and up opens and be communicated with the wind tube outlet of this airduct entrance with one, this wind tube outlet bore is less than this airduct inlet calibre, this wind generating unit is arranged in this airduct body, between this airduct entrance and this wind tube outlet, and the intake grill of this case pipe and this airduct entrance are in the same way.

22. closed wind power plant according to claim 21, it is characterized in that: this airduct body can separate a traversing section and the vertical section for being connected, this airduct entrance is positioned at this traversing section, this wind tube outlet is positioned at this vertical section, this airduct also comprises several heat absorbing members of vertical section that are arranged at this airduct body, and this heat absorbing member is in order to absorb heat to improve the intrinsic temperature of this airduct.

23. closed wind power plant according to claim 21, it is characterized in that: this airduct body can separate a traversing section and the vertical section for being connected, this airduct entrance is positioned at this traversing section, this wind tube outlet is positioned at this vertical section, this airduct also comprises several heating elements of vertical section that are arranged at this airduct body, and this heating element is to contiguous this wind tube outlet place heating of this airduct body.