CN102562443A - Vertical wind power aluminium alloy fan blade system - Google Patents
Vertical wind power aluminium alloy fan blade system Download PDFInfo
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- CN102562443A CN102562443A CN2012100672160A CN201210067216A CN102562443A CN 102562443 A CN102562443 A CN 102562443A CN 2012100672160 A CN2012100672160 A CN 2012100672160A CN 201210067216 A CN201210067216 A CN 201210067216A CN 102562443 A CN102562443 A CN 102562443A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention discloses a vertical wind power aluminium alloy fan blade system. The invention relates to a vertical wind power fan blade system. The invention aims to solve the problems that a fan blade has a heavy weight and low integral strength; the fan blade is indirectly pushed by the wind power to rotate; the wind resistance is high; and the fan blade cannot obtain a good wind power refraction guide channel when rotating to any position and angle. The first scheme adopted by the invention is that each two adjacent fan blades are connected by a supporting and pulling part; a reinforcing triangle plate is welded on a fan blade frame of each fan blade; the reinforcing triangle plates are connected with a flange plate by fixed connecting pieces; and the fan blades are formed by integrated pressing and stretching. The second scheme has the following different points from the first scheme that the fan blades are formed in a mode that the fan blade frames and fan blade bodies are welded after being manufactured in a split mode; the integrated fan blade bodies are made of carbon fibers; the third scheme has the following different points from the first scheme that the fan blades are formed in a mode that the fan blade frames and fan blade bodies are welded after being manufactured in a split mode; the insides of the fan blade bodies are made into netted skeletons by aluminium alloy belts; and the outer surfaces of the netted skeletons are coated with the carbon fiber or glass reinforced plastic. The vertical wind power aluminium alloy fan blade system is used in a vertical wind power system.
Description
Technical field
The present invention relates to a kind of vertical wind power blade system, be specifically related to a kind of vertical wind power aluminum alloy blade system, belong to technical field of wind power generation.
Background technique
Along with the development of world energy sources crisis, utilize the generating of wind-force kinetic energy as modern social development's new energy, become the focus of social development.Traditional wind-driven generator adopts huge heavy leaf blade, does not collect wind and protective system, so the wind power utilization rate is low, the wind-driven generator volume is big; The fan blade blowing area of existing vertical-shaft aerogenerator is little, in starting and rotatablely moving, exists the startup dead angle big with the switching-over dead angle; Existing aerofoil profile fan blade blowing area is little, and the wind power utilization rate is low, and there is the switching-over dead angle in aerofoil windage face before existing in rotatablely moving, be difficult to high capacity.
Literature search through to existing technology finds that the fan blade in the generator set of Chinese patent ZL200430067146.5 exists the wind power utilization rate low, in starting and rotatablely moving, exists to start dead angle and the big problem in switching-over dead angle.
Also find the fan blade of number of patent application 200410023530.4 wind-driven generators, the NACA0009 aerofoil profile that is adopted in the retrieval; This fan blade blowing area is little, and the wind power utilization rate is low, aerofoil windage face before existing; In rotatablely moving, there is the switching-over dead angle, is difficult to high capacity.
Existing blade system also exists fan blade weight big; Bulk strength is low, and wind-force promotes fan blade rotation, the problem that windage is big indirectly; The fan blade mounting frame does not form lets out wind and refraction guide channel, and fan blade can't rotate to any position and angle can both obtain the guide channel of wind-force refraction preferably.
Summary of the invention
The objective of the invention is in order to solve existing fan blade weight big; Bulk strength is low; Wind-force promotes fan blade rotation indirectly, the problem that windage is big, and the fan blade mounting frame does not form and lets out wind and refraction guide channel; Fan blade can't rotate to any position and angle can both obtain the problem of the guide channel of wind-force refraction preferably, and then a kind of vertical wind power aluminum alloy blade system is provided.
Technological scheme one of the present invention is: vertical wind power aluminum alloy blade system comprises N fan blade, arbor, upper flange plate and lower flange; Vertical wind power aluminum alloy blade system also comprises 2N fixed connecting piece, a 2N reinforcement set square triangle and a 2N draw piece; Each fan blade comprises fan blade frame and fan blade leaf body, and fan blade frame and fan blade leaf body constitute fan blade by aluminum alloy one drawing and forming, and it is streamlined that the longitudinal section of fan blade leaf body is wing; The cross section of fan blade leaf body is the projection curved face type; Upper flange plate and lower flange from top to bottom are installed on the arbor, and N fan blade annular array is around arbor, and the top and bottom of two adjacent fan blades respectively connect through one draw piece; Propping up draw piece connects N fan blade as a whole; The top and bottom of the fan blade frame of each fan blade all have been welded one and have strengthened set square triangle, and the reinforcement set square triangle of fan blade frame upper end respectively is fixedly connected with upper flange plate through a fixed connecting piece, and the reinforcement set square triangle of fan blade frame lower end respectively is fixedly connected with lower flange through a fixed connecting piece; Form air guide hole between fan blade and the arbor, N is 3 to 10 integer.
The fan blade of technique scheme is the one drawing and forming, adopts the one-body molded fan blade of aluminum alloy integrally stretching, makes whole fan blade in light weight, and flexible good, intensity is big.
Technological scheme two of the present invention is: vertical wind power aluminum alloy blade system comprises N fan blade, arbor, upper flange plate and lower flange, and vertical wind power aluminum alloy blade system also comprises 2N fixed connecting piece, a 2N reinforcement set square triangle and a 2N draw piece, and each fan blade comprises fan blade frame and fan blade leaf body; Fan blade leaf body adopts charcoal fiber one compacting drawing and forming; The fan blade frame is an aluminum alloy frame, and the whole bag of aluminum alloy fan blade frame invests and constitutes fan blade in the charcoal fiber fan blade leaf body, and it is streamlined that the longitudinal section of fan blade leaf body is wing; The cross section of fan blade leaf body is the projection curved face type; Upper flange plate and lower flange from top to bottom are installed on the arbor, and N fan blade annular array is around arbor, and the top and bottom of two adjacent fan blades respectively connect through one draw piece; Propping up draw piece connects N fan blade as a whole; The top and bottom of the fan blade frame of each fan blade all have been welded one and have strengthened set square triangle, and the reinforcement set square triangle of fan blade frame upper end respectively is fixedly connected with upper flange plate through a fixed connecting piece, and the reinforcement set square triangle of fan blade frame lower end respectively is fixedly connected with lower flange through a fixed connecting piece; Form air guide hole between fan blade and the arbor, N is 3 to 10 integer.
The fan blade of technique scheme is welded after by fan blade frame and fan blade leaf body split manufacturing and constitutes together.Adopt the charcoal fiber to process one-body molded fan blade leaf body, and the whole bag of aluminum alloy fan blade frame is invested formation integral body in the charcoal fiber fan blade leaf body, integral surface is smooth, and windage is little, and whole fan blade is in light weight, and intensity is big.
Technological scheme three of the present invention is: vertical wind power aluminum alloy blade system comprises N fan blade, arbor, upper flange plate and lower flange; Vertical wind power aluminum alloy blade system also comprises 2N fixed connecting piece, a 2N reinforcement set square triangle and a 2N draw piece, and each fan blade comprises fan blade frame and fan blade leaf body, and mesh skeleton is processed by aluminum alloy strip in fan blade leaf body inside; The mesh skeleton outer surface is covered with graphite fiber or glass fibre reinforced plastics; The fan blade frame is an aluminum alloy frame, and fan blade frame and fan blade leaf body weld together the formation fan blade, and it is streamlined that the longitudinal section of fan blade leaf body is wing; The cross section of fan blade leaf body is the projection curved face type; Upper flange plate and lower flange from top to bottom are installed on the arbor, and N fan blade annular array is around arbor, and the top and bottom of two adjacent fan blades respectively connect through one draw piece; Propping up draw piece connects N fan blade as a whole; The top and bottom of the fan blade frame of each fan blade all have been welded one and have strengthened set square triangle, and the reinforcement set square triangle of fan blade frame upper end respectively is fixedly connected with upper flange plate through a fixed connecting piece, and the reinforcement set square triangle of fan blade frame lower end respectively is fixedly connected with lower flange through a fixed connecting piece; Form air guide hole between fan blade and the arbor, N is 3 to 10 integer.
The fan blade of technique scheme is welded after by fan blade frame and fan blade leaf body split manufacturing and constitutes together, and mesh skeleton is processed by aluminum alloy strip in fan blade leaf body inside, and the mesh skeleton outer surface is covered with graphite fiber or glass fibre reinforced plastics, smooth surface, and windage is little.It is wind-engaging that fan blade mainly acts on, and wind produces maximum promotion running torque to fan blade.Fan blade is the streamlined curve of wing, and fan blade front blowing area is big, and fan blade back windage is little.The longitudinal section is projection arch form curve, rotates when wind-force promotes fan blade, and wind-force line movement locus is shape linearly, does not produce eddy current, and wind-force ray movement locus is the optimum state.
The present invention compared with prior art has following beneficial effect: blade system of the present invention, and fan blade is in light weight, and bulk strength is high; Blowing area is big, and wind-force directly promotes the fan blade rotation, and windage is little; The wind power utilization rate is high, and the wind-force ray makes it can both be refracted on the fan blade face of maximum moment point in any angle through refraction and guiding between the fan blade; And make the wind-force ray vertical with the outer tangent plane of fan blade face, and produce maximum thrust and maximum running torque, promote the rotation of fan blade along continuous straight runs.The rotation of fan blade along continuous straight runs, stressed continuity and equilibrium response are good, and rotating speed is high, and good stability is convenient to installation and debugging.Fan blade is connected with a draw piece through fixed connecting piece, reinforcement set square triangle, is convenient to assembling, keeps in repair and transports.The fan blade mounting frame has good wind-guiding and refraction guide channel; Make fan blade rotate to any position and angle; Can both obtain best wind-force refraction guide channel, wind-force obtains the most effectively utilizing, and the resultant moment of force of wind-force line is concentrated point to maximum and the along perpendicular tangent plane of fan blade face; Make wind-force be refracted to maximum running torque point, produce maximum pushing torque.In addition, this fan blade adopts coming of new technology, and manufacturing process is simple, can once suppress drawing and forming, improves fan blade intensity and performance, and enhanced surface hardness and surperficial anticorrosive intensity are adapted to marine and desert and hot environment.Through a large amount of simulations and a large amount of calculating, blade system of the present invention is adapted to the needs of 1KW～above wind-power generating system of 10 megawatts.
Description of drawings
Fig. 1 is a fan blade three-dimensional structure diagram of the present invention;
Fig. 2 is the vertical view of fan blade of the present invention;
Fig. 3 is a fan blade transverse views of the present invention;
Fig. 4 is the plan view (the fan blade number is 3) of blade system of the present invention;
Fig. 5 is the worm's eye view (the fan blade number is 3) of blade system of the present invention;
Fig. 6 is the plan view (the fan blade number is 4) of blade system of the present invention;
Fig. 7 is the worm's eye view (the fan blade number is 4) of blade system of the present invention;
Fig. 8 is the two-layer fan blade of the present invention and two sections arbor combination fan blade schematic representation;
Fig. 9 is fan blade and wind-force ray plumbness figure, and wind is to fan blade, and the wind-force ray reflects to right-hand, produces and moment with the forward wind-force ray on the right side is common, make the wind-force ray converge to jointly fan blade a bit, produce maximum rotary impetus square;
Figure 10 becomes 60 degree angle phase diagrams for fan blade forwards to the wind-force ray, and (wind is to the leaf of front; The refraction of wind-force ray is to right-hand; Produce and moment with the forward wind-force ray on the right side is common, make the wind-force ray converge to jointly fan blade a bit, produce maximum rotary impetus square);
Figure 11 becomes 120 degree angle phase diagrams for fan blade forwards to the wind-force ray, and (wind is to fan blade; The refraction of wind-force ray is to left; Through letting out on the fan blade that the air port is refracted to the back, make the maximum moment point place of the fan blade of wind-force ray, produce resultant moment of force jointly with forward wind-force ray; Produce maximum rotary impetus square, promote the fan blade rotation);
Figure 12 is fan blade and fixed support mounting structure figure;
Figure 13 is fixing rack structure figure;
Figure 14 is the T bar and reinforcement set square triangle annexation figure of mounting and fixing bracket.
Embodiment
Embodiment one: combine Fig. 1 to Figure 11 that this mode of execution is described; The vertical wind power aluminum alloy blade system of this mode of execution comprises N fan blade, arbor 3, upper flange plate 4 and lower flange 8; Vertical wind power aluminum alloy blade system also comprises 2N fixed connecting piece 5, a 2N reinforcement set square triangle 6 and a 2N draw piece 7; Each fan blade comprises fan blade frame 1 and fan blade leaf body 2, and fan blade frame 1 constitutes fan blade with fan blade leaf body 2 by aluminum alloy one compacting drawing and forming, and it is streamlined that the longitudinal section of fan blade leaf body 2 is wing; The cross section of fan blade leaf body 2 is the projection curved face type; Upper flange plate 4 from top to bottom is installed on the arbor 3 with lower flange 8, and N fan blade annular array is around arbor 3, and the top and bottom of two adjacent fan blades respectively connect through one draw piece 7; Propping up draw piece 7 connects N fan blade as a whole; The top and bottom of the fan blade frame 1 of each fan blade all have been welded one and have strengthened set square triangle 6, and the reinforcement set square triangle 6 of fan blade frame 1 upper end respectively is fixedly connected with upper flange plate 4 through a fixed connecting piece 5, and the reinforcement set square triangle 6 of fan blade frame 1 lower end respectively is fixedly connected with lower flange 8 through a fixed connecting piece 5; Form air guide hole 9 between fan blade and the arbor 3, N is 3 to 10 integer.
Space between fan blade and the arbor is called air guide hole 8; When blade system is in Figure 10 position; Be refracted to the Driving force that produces fan blade on the next fan blade once more through air guide hole 9 during wind-force line directive fan blade face, make wind-force obtain twice wind power utilization, play maximum and the most effectively utilize effect.
Aluminum alloy fan blade physique structure utilizes fan blade to reflect each other and produces collection wind and wind-force leading role; Make fan blade in any angle, the wind-force line is refracted to the tangent plane of fan blade through wind-force or is refracted on the fan blade of back through air guide hole, makes the capable maximum weighted angle that becomes of wind-force line and fan blade face; Make on the back fan blade of twice utilization of wind-force refraction; Make stressed the making a concerted effort of two fan blades promote the rotation of fan blade along continuous straight runs, the promotion running torque of generation is maximum, makes the fan blade blowing area maximum; The wind-force effective rate of utilization is the highest, and the thrust that is produced is for maximum.Fan blade radius of the present invention is little, and rotational speed is high, and the wind power utilization rate is high, and balance is good, can be used as the driving dynamic power machine of high-power power machine tool and wind-driven generator.
Aluminum alloy fan blade physique structure; Fan blade combines with mutual refraction, makes fan blade rotate to any position and angle, can both make fan blade obtain maximum blowing area; And make the resultant moment of force of wind-force line concentrate point to the maximum Moment Point and the intersection point place in the perpendicular tangent plane of fan blade face through refraction; Make wind-force be refracted to maximum running torque point, produce maximum pushing torque, promote the rotation of fan blade along continuous straight runs.A native system N fan blade respectively differs 360/N degree angle, and N fan blade is complementary, and equilibratory running torque produces best dynamic balancing characteristic, and rotation steadily.
When blower fan was operated in dust storm than big or desert Environment, cemented carbide or pottery can be plated in the fan blade surface, and protection fan blade or framework are not damaged.
The blade system of this mode of execution can be multi-layer structure; At this moment; Arbor 3 adopts multistage arbor and the combination of multilayer fan blade for multistage combination arbor, multilayer blade system, and every vertical wind driven generator can adopt the multilayer wind power machine to constitute the high-power vertical wind powered generator system.
Embodiment two: combine Fig. 1 to Fig. 3 that this mode of execution is described, the fan blade frame 1 of this mode of execution adopts C type aluminum alloy frame frame, or adopts the triangle aluminum alloy tubulose section bar at aluminum alloy square tube or two right angles to process rectangular body member.So being provided with, to alleviate fan blade weight and to increase fan blade intensity, mainly is that intensity is big as the prop carrier of fan blade leaf body, has increased the antitorque moment of fan blade and the moment of antigravity.Other composition is identical with embodiment one with annexation.
Embodiment three: combine Fig. 4 and Fig. 5 that this mode of execution is described, the number of the fan blade of this mode of execution is three.So be provided with, three fan blades respectively differ 120 degree angles, three fan blade complementations, and equilibratory running torque produces best dynamic balancing characteristic, and rotation is steadily.Other composition is identical with embodiment one or two with annexation.
Embodiment four: combine Fig. 6 and Fig. 7 that this mode of execution is described, the number of the fan blade of this mode of execution is four, five or six.The like this setting is 360 °/N and is fixed on the arbor between fan blade and the fan blade, fan blade is complementary, and equilibratory running torque does not have the dead angle of startup and switching-over dead angle, receives air quantity big, and pneumatic power continuity is good, produces best dynamic balancing characteristic and steady rotating torques.Other composition is identical with embodiment one or two with annexation.
Embodiment five: combine Figure 12 and Figure 14 that this mode of execution is described; The fixed connecting piece 5 of this mode of execution is the T bar structure; Strengthening set square triangle 6 is processed by aluminum alloy; T bar with strengthen set square triangle 6 welding or the screw formation fixed support that links together, T bar welds with upper flange plate 4 and lower flange 8 or screw links together.Arbor was realized with being connected by fixed support of fan blade, was the force of bearing of most critical, had both born fan blade weight; The running torque of bearing fan blade again and being produced; In the joint of fan blade and arbor mounting flange, strength is maximum, and the cross section of link is maximum; Shown in figure 14, the fixedly employing triangle stiffening plate of fan blade and fixed connecting piece.Other composition is identical with embodiment one, two, three or four with annexation.
Embodiment six: combine Fig. 1 to Figure 11 that this mode of execution is described; The vertical wind power aluminum alloy blade system of this mode of execution comprises N fan blade, arbor 3, upper flange plate 4 and lower flange 8, and vertical wind power aluminum alloy blade system also comprises 2N fixed connecting piece 5, a 2N reinforcement set square triangle 6 and a 2N draw piece 7, and each fan blade comprises fan blade frame 1 and fan blade leaf body 2; Fan blade leaf body 2 adopts charcoal fiber one compacting drawing and forming; Fan blade frame 1 is an aluminum alloy frame, and the whole bag of aluminum alloy fan blade frame invests and constitutes fan blade in the charcoal fiber fan blade leaf body, and it is streamlined that the longitudinal section of fan blade leaf body 2 is wing; The cross section of fan blade leaf body 2 is the projection curved face type; Upper flange plate 4 from top to bottom is installed on the arbor 3 with lower flange 8, and N fan blade annular array is around arbor 3, and the top and bottom of two adjacent fan blades respectively connect through one draw piece 7; Propping up draw piece 7 connects N fan blade as a whole; The top and bottom of the fan blade frame 1 of each fan blade all have been welded one and have strengthened set square triangle 6, and the reinforcement set square triangle 6 of fan blade frame 1 upper end respectively is fixedly connected with upper flange plate 4 through a fixed connecting piece 5, and the reinforcement set square triangle 6 of fan blade frame 1 lower end respectively is fixedly connected with lower flange 8 through a fixed connecting piece 5; Form air guide hole 9 between fan blade and the arbor 3, N is 3 to 10 integer.
Space between fan blade and the arbor is called air guide hole 8; When blade system is in Figure 10 position; Be refracted to the Driving force that produces fan blade on the next fan blade once more through air guide hole 9 during wind-force line directive fan blade face, make wind-force obtain twice wind power utilization, play maximum and the most effectively utilize effect.
Aluminum alloy fan blade physique structure utilizes fan blade to reflect each other and produces collection wind and wind-force leading role; Make fan blade in any angle, the wind-force line is refracted to the tangent plane of fan blade through wind-force or is refracted on the fan blade of back through air guide hole, makes the capable maximum weighted angle that becomes of wind-force line and fan blade face; Make on the back fan blade of twice utilization of wind-force refraction; Make stressed the making a concerted effort of two fan blades promote the rotation of fan blade along continuous straight runs, the promotion running torque of generation is maximum, makes the fan blade blowing area maximum; The wind-force effective rate of utilization is the highest, and the thrust that is produced is for maximum.Fan blade radius of the present invention is little, and rotational speed is high, and the wind power utilization rate is high, and balance is good, can be used as the driving dynamic power machine of high-power power machine tool and wind-driven generator.
Aluminum alloy fan blade physique structure blade structure; Fan blade combines with mutual refraction, makes fan blade rotate to any position and angle, can both make fan blade obtain maximum blowing area; And make the resultant moment of force of wind-force line concentrate point to the maximum point and the along in the perpendicular tangent plane of fan blade face through refraction; Make wind-force be refracted to maximum running torque point, produce maximum pushing torque, promote the rotation of fan blade along continuous straight runs.A native system N fan blade respectively differs 360/N degree angle, and N fan blade is complementary, and equilibratory running torque produces best dynamic balancing characteristic, and rotation steadily.
When blower fan was operated in dust storm than big or desert Environment, cemented carbide or pottery can be plated in the fan blade surface, and protection fan blade or framework are not damaged.
The blade system of this mode of execution can be multi-layer structure; At this moment; Arbor 3 adopts multistage arbor and the combination of multilayer fan blade for multistage combination arbor, multilayer blade system, and every vertical wind driven generator can adopt the multilayer wind power machine to constitute the high-power vertical wind powered generator system.
Embodiment seven: combine Fig. 1 to Fig. 3 that this mode of execution is described, the fan blade frame 1 of this mode of execution adopts C type aluminum alloy frame frame, or adopts the triangle aluminum alloy tubulose section bar at aluminum alloy square tube or two right angles to process rectangular body member.So being provided with, to alleviate fan blade weight and to increase fan blade intensity, mainly is that intensity is big as the prop carrier of fan blade leaf body, has increased the antitorque moment of fan blade and the moment of antigravity.Other composition and annexation and embodiment six phase are together.
Embodiment eight: combine Fig. 4 and Fig. 5 that this mode of execution is described, the number of the fan blade of this mode of execution is three.So be provided with, three fan blades respectively differ 120 degree angles, three fan blade complementations, and equilibratory running torque produces best dynamic balancing characteristic, and rotation is steadily.Other composition is identical with embodiment six or seven with annexation.
Embodiment nine: combine Fig. 6 and Fig. 7 that this mode of execution is described, the number of the fan blade of this mode of execution is four, five or six.The like this setting is 360 °/N and is fixed on the arbor between fan blade and the fan blade, fan blade is complementary, and equilibratory running torque does not have the dead angle of startup and switching-over dead angle, receives air quantity big, and pneumatic power continuity is good, produces best dynamic balancing characteristic and steady rotating torques.Other composition is identical with embodiment six or seven with annexation.
Embodiment ten: combine Figure 12 and Figure 14 that this mode of execution is described; The fixed connecting piece 5 of this mode of execution is the T bar structure; Strengthening set square triangle 6 is processed by aluminum alloy; T bar with strengthen set square triangle 6 welding or the screw formation fixed support that links together, T bar welds with upper flange plate 4 and lower flange 8 or screw links together.Arbor was realized with being connected by fixed support of fan blade, was the force of bearing of most critical, had both born fan blade weight; The running torque of bearing fan blade again and being produced; In the joint of fan blade and arbor mounting flange, strength is maximum, and the cross section of link is maximum; Shown in figure 14, the fixedly employing triangle stiffening plate of fan blade and fixed connecting piece.Other composition is identical with embodiment six, seven, eight or nine with annexation.
Embodiment 11: combine Fig. 1 to Figure 11 that this mode of execution is described, the vertical wind power aluminum alloy blade system of this mode of execution comprises N fan blade, arbor 3, upper flange plate 4 and lower flange 8, and vertical wind power aluminum alloy blade system also comprises 2N fixed connecting piece 5, a 2N reinforcement set square triangle 6 and a 2N draw piece 7; Each fan blade comprises fan blade frame 1 and fan blade leaf body 2; Mesh skeleton is processed by aluminum alloy strip in fan blade leaf body 2 inside, and the mesh skeleton outer surface is covered with graphite fiber or glass fibre reinforced plastics, and fan blade frame 1 is an aluminum alloy frame; Fan blade frame 1 welds together the formation fan blade with fan blade leaf body 2; It is streamlined that the longitudinal section of fan blade leaf body 2 is wing, and the cross section of fan blade leaf body 2 is the projection curved face type, and upper flange plate 4 from top to bottom is installed on the arbor 3 with lower flange 8; N fan blade annular array is around arbor 3; The top and bottom of two adjacent fan blades respectively connect through one draw piece 7, and a draw piece 7 connects N fan blade as a whole, and the top and bottom of the fan blade frame 1 of each fan blade all have been welded one and have strengthened set square triangle 6; The reinforcement set square triangle 6 of fan blade frame 1 upper end respectively is fixedly connected with upper flange plate 4 through a fixed connecting piece 5; The reinforcement set square triangle 6 of fan blade frame 1 lower end respectively is fixedly connected with lower flange 8 through a fixed connecting piece 5, forms air guide hole 9 between fan blade and the arbor 3, and N is 3 to 10 integer.
Space between fan blade and the arbor is called air guide hole 8; When blade system is in Figure 10 position; Be refracted to the Driving force that produces fan blade on the next fan blade once more through air guide hole 9 during wind-force line directive fan blade face, make wind-force obtain twice wind power utilization, play maximum and the most effectively utilize effect.
Aluminum alloy fan blade physique structure utilizes fan blade to reflect each other and produces collection wind and wind-force leading role; Make fan blade in any angle, the wind-force line is refracted to the tangent plane of fan blade through wind-force or is refracted on the fan blade of back through air guide hole, makes the capable maximum weighted angle that becomes of wind-force line and fan blade face; Make on the back fan blade of twice utilization of wind-force refraction; Make stressed the making a concerted effort of two fan blades promote the rotation of fan blade along continuous straight runs, the promotion running torque of generation is maximum, makes the fan blade blowing area maximum; The wind-force effective rate of utilization is the highest, and the thrust that is produced is for maximum.Fan blade radius of the present invention is little, and rotational speed is high, and the wind power utilization rate is high, and balance is good, can be used as the driving dynamic power machine of high-power power machine tool and wind-driven generator.
Aluminum alloy fan blade physique structure blade structure; Fan blade combines with mutual refraction, makes fan blade rotate to any position and angle, can both make fan blade obtain maximum blowing area; And make the resultant moment of force of wind-force line concentrate point to the maximum point and the along in the perpendicular tangent plane of fan blade face through refraction; Make wind-force be refracted to maximum running torque point, produce maximum pushing torque, promote the rotation of fan blade along continuous straight runs.A native system N fan blade respectively differs 360/N degree angle, and N fan blade is complementary, and equilibratory running torque produces best dynamic balancing characteristic, and rotation steadily.
When blower fan was operated in dust storm than big or desert Environment, cemented carbide or pottery can be plated in the fan blade surface, and protection fan blade or framework are not damaged.
The blade system of this mode of execution can be multi-layer structure; At this moment; Arbor 3 adopts multistage arbor and the combination of multilayer fan blade for multistage combination arbor, multilayer blade system, and every vertical wind driven generator can adopt the multilayer wind power machine to constitute the high-power vertical wind powered generator system.
Embodiment 12: combine Fig. 1 to Fig. 3 that this mode of execution is described, the fan blade frame 1 of this mode of execution adopts C type aluminum alloy frame frame, or adopts the triangle aluminum alloy tubulose section bar at aluminum alloy square tube or two right angles to process rectangular body member.So being provided with, to alleviate fan blade weight and to increase fan blade intensity, mainly is that intensity is big as the prop carrier of fan blade leaf body, has increased the antitorque moment of fan blade and the moment of antigravity.Other composition is identical with embodiment 11 with annexation.
Embodiment 13: combine Fig. 4 and Fig. 5 that this mode of execution is described, the number of the fan blade of this mode of execution is three.So be provided with, three fan blades respectively differ 120 degree angles, three fan blade complementations, and equilibratory running torque produces best dynamic balancing characteristic, and rotation is steadily.Other composition is identical with embodiment 11 or 12 with annexation.
Embodiment 14: combine Fig. 6 and Fig. 7 that this mode of execution is described, the number of the fan blade of this mode of execution is four, five or six.The like this setting is 360 °/N and is fixed on the arbor between fan blade and the fan blade, fan blade is complementary, and equilibratory running torque does not have the dead angle of startup and switching-over dead angle, receives air quantity big, and pneumatic power continuity is good, produces best dynamic balancing characteristic and steady rotating torques.Other composition is identical with embodiment 11 or 12 with annexation.
Embodiment 15: combine Figure 12 and Figure 14 that this mode of execution is described; The fixed connecting piece 5 of this mode of execution is the T bar structure; Strengthening set square triangle 6 is processed by aluminum alloy; T bar with strengthen set square triangle 6 welding or the screw formation fixed support that links together, T bar welds with upper flange plate 4 and lower flange 8 or screw links together.Arbor was realized with being connected by fixed support of fan blade, was the force of bearing of most critical, had both born fan blade weight; The running torque of bearing fan blade again and being produced; In the joint of fan blade and arbor mounting flange, strength is maximum, and the cross section of link is maximum; Shown in figure 14, the fixedly employing triangle stiffening plate of fan blade and fixed connecting piece.Other composition is identical with embodiment 11,12,13 or 14 with annexation.
Embodiment 16: the fixed connecting piece 5 of this mode of execution adopts S45C steel or aluminum alloy material to process with reinforcement set square triangle 6.
Claims (10)
1. vertical wind power aluminum alloy blade system; Vertical wind power aluminum alloy blade system comprises N fan blade, arbor (3), upper flange plate (4) and lower flange (8); It is characterized in that: vertical wind power aluminum alloy blade system also comprises 2N fixed connecting piece (5), a 2N reinforcement set square triangle (6) and a 2N draw piece (7); Each fan blade comprises fan blade frame (1) and fan blade leaf body (2), and fan blade frame (1) and fan blade leaf body (2) constitute fan blade by aluminum alloy one compacting drawing and forming, and it is streamlined that the longitudinal section of fan blade leaf body (2) is wing; The cross section of fan blade leaf body (2) is the projection curved face type; Upper flange plate (4) and lower flange (8) from top to bottom are installed on the arbor (3), and N fan blade annular array is around arbor (3), and the top and bottom of two adjacent fan blades respectively connect through one draw piece (7); Propping up draw piece (7) connects N fan blade as a whole; The top and bottom of the fan blade frame (1) of each fan blade all have been welded one and have strengthened set square triangle (6), and the reinforcement set square triangle (6) of fan blade frame (1) upper end respectively is fixedly connected with upper flange plate (4) through a fixed connecting piece (5), and the reinforcement set square triangle (6) of fan blade frame (1) lower end respectively is fixedly connected with lower flange (8) through a fixed connecting piece (5); Form air guide hole (9) between fan blade and the arbor (3), N is 3 to 10 integer.
2. vertical wind power aluminum alloy blade system according to claim 1 is characterized in that: fan blade frame (1) adopts C type aluminum alloy frame frame, or adopts the triangle aluminum alloy tubulose section bar at aluminum alloy square tube or two right angles to process rectangular body member.
3. vertical wind power aluminum alloy blade system according to claim 1 and 2 is characterized in that: the number of fan blade is three, four, five or six.
4. vertical wind power aluminum alloy blade system according to claim 1 and 2; It is characterized in that: fixed connecting piece (5) is the T bar structure; Strengthening set square triangle (6) is processed by aluminum alloy; T bar with strengthen set square triangle (6) welding or the screw formation fixed support that links together, T bar and upper flange plate (4) and lower flange (8) weld or screw links together.
5. vertical wind power aluminum alloy blade system; Vertical wind power aluminum alloy blade system comprises N fan blade, arbor (3), upper flange plate (4) and lower flange (8); It is characterized in that: vertical wind power aluminum alloy blade system also comprises 2N fixed connecting piece (5), a 2N reinforcement set square triangle (6) and a 2N draw piece (7); Each fan blade comprises fan blade frame (1) and fan blade leaf body (2), and fan blade leaf body (2) adopts charcoal fiber one compacting drawing and forming, and fan blade frame (1) is an aluminum alloy frame; The whole bag of aluminum alloy fan blade frame invests and constitutes fan blade in the charcoal fiber fan blade leaf body; It is streamlined that the longitudinal section of fan blade leaf body (2) is wing, and the cross section of fan blade leaf body (2) is the projection curved face type, and upper flange plate (4) and lower flange (8) from top to bottom are installed on the arbor (3); N fan blade annular array is around arbor (3); The top and bottom of two adjacent fan blades respectively connect through one draw piece (7), and a draw piece (7) connects N fan blade as a whole, and the top and bottom of the fan blade frame (1) of each fan blade all have been welded one and have strengthened set square triangle (6); The reinforcement set square triangle (6) of fan blade frame (1) upper end respectively is fixedly connected with upper flange plate (4) through a fixed connecting piece (5); The reinforcement set square triangle (6) of fan blade frame (1) lower end respectively is fixedly connected with lower flange (8) through a fixed connecting piece (5), forms air guide hole (9) between fan blade and the arbor (3), and N is 3 to 10 integer.
6. vertical wind power aluminum alloy blade system according to claim 5 is characterized in that: fan blade frame (1) adopts C type aluminum alloy frame frame, or adopts the triangle aluminum alloy tubulose section bar at aluminum alloy square tube or two right angles to process rectangular body member.
7. according to claim 5 or 6 described vertical wind power aluminum alloy blade systems, it is characterized in that: the number of fan blade is three, four, five or six.
8. according to claim 5 or 6 described vertical wind power aluminum alloy blade systems; It is characterized in that: fixed connecting piece (5) is the T bar structure; Strengthening set square triangle (6) is processed by aluminum alloy; T bar with strengthen set square triangle (6) welding or the screw formation fixed support that links together, T bar and upper flange plate (4) and lower flange (8) weld or screw links together.
9. vertical wind power aluminum alloy blade system; Vertical wind power aluminum alloy blade system comprises N fan blade, arbor (3), upper flange plate (4) and lower flange (8); It is characterized in that: vertical wind power aluminum alloy blade system also comprises 2N fixed connecting piece (5), a 2N reinforcement set square triangle (6) and a 2N draw piece (7), and each fan blade comprises fan blade frame (1) and fan blade leaf body (2), and fan blade leaf body (2) is inner processes mesh skeleton by aluminum alloy strip; The mesh skeleton outer surface is covered with graphite fiber or glass fibre reinforced plastics; Fan blade frame (1) is an aluminum alloy frame, and fan blade frame (1) welds together the formation fan blade with fan blade leaf body (2), and it is streamlined that the longitudinal section of fan blade leaf body (2) is wing; The cross section of fan blade leaf body (2) is the projection curved face type; Upper flange plate (4) and lower flange (8) from top to bottom are installed on the arbor (3), and N fan blade annular array is around arbor (3), and the top and bottom of two adjacent fan blades respectively connect through one draw piece (7); Propping up draw piece (7) connects N fan blade as a whole; The top and bottom of the fan blade frame (1) of each fan blade all have been welded one and have strengthened set square triangle (6), and the reinforcement set square triangle (6) of fan blade frame (1) upper end respectively is fixedly connected with upper flange plate (4) through a fixed connecting piece (5), and the reinforcement set square triangle (6) of fan blade frame (1) lower end respectively is fixedly connected with lower flange (8) through a fixed connecting piece (5); Form air guide hole (9) between fan blade and the arbor (3), N is 3 to 10 integer.
10. vertical wind power aluminum alloy blade system according to claim 9 is characterized in that: fan blade frame (1) adopts C type aluminum alloy frame frame, or adopts the triangle aluminum alloy tubulose section bar at aluminum alloy square tube or two right angles to process rectangular body member.
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| CN2012100672160A CN102562443A (en) | 2012-03-14 | 2012-03-14 | Vertical wind power aluminium alloy fan blade system |
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| CN101446265A (en) * | 2008-12-18 | 2009-06-03 | 上海交通大学 | Refraction wind-guiding type fan blade system |
| CN102128138A (en) * | 2010-11-29 | 2011-07-20 | 李树广 | Multilayer stacking combined vertical type wind power generation system |
| CN102269122A (en) * | 2011-08-16 | 2011-12-07 | 李树广 | Chute type fan blade system of vertical wind driven generator |
| US20120003092A1 (en) * | 2009-03-12 | 2012-01-05 | Yan Qiang | Wind mill structure of lift-type vertical axis wind turbine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101446265A (en) * | 2008-12-18 | 2009-06-03 | 上海交通大学 | Refraction wind-guiding type fan blade system |
| US20120003092A1 (en) * | 2009-03-12 | 2012-01-05 | Yan Qiang | Wind mill structure of lift-type vertical axis wind turbine |
| CN102128138A (en) * | 2010-11-29 | 2011-07-20 | 李树广 | Multilayer stacking combined vertical type wind power generation system |
| CN102269122A (en) * | 2011-08-16 | 2011-12-07 | 李树广 | Chute type fan blade system of vertical wind driven generator |
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Application publication date: 20120711 |