CN116538003A - Light wind wheel structure of bionic membrane structure fan blade - Google Patents
Light wind wheel structure of bionic membrane structure fan blade Download PDFInfo
- Publication number
- CN116538003A CN116538003A CN202310542779.9A CN202310542779A CN116538003A CN 116538003 A CN116538003 A CN 116538003A CN 202310542779 A CN202310542779 A CN 202310542779A CN 116538003 A CN116538003 A CN 116538003A
- Authority
- CN
- China
- Prior art keywords
- wing
- framework
- membrane
- hub
- fan blade
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 145
- 239000011664 nicotinic acid Substances 0.000 title claims abstract description 62
- 238000007493 shaping process Methods 0.000 claims abstract description 45
- 239000000463 material Substances 0.000 claims abstract description 26
- 230000008093 supporting effect Effects 0.000 claims abstract description 8
- 230000001360 synchronised effect Effects 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 claims description 11
- 241000238631 Hexapoda Species 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 4
- 230000000877 morphologic effect Effects 0.000 claims description 4
- 230000000670 limiting effect Effects 0.000 claims description 3
- 210000003462 vein Anatomy 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 229910052755 nonmetal Inorganic materials 0.000 claims description 2
- 238000012546 transfer Methods 0.000 claims description 2
- 230000003592 biomimetic effect Effects 0.000 claims 8
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 230000002195 synergetic effect Effects 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000007246 mechanism Effects 0.000 description 11
- 230000009466 transformation Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 240000003380 Passiflora rubra Species 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 2
- 210000000007 bat wing Anatomy 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 229910001234 light alloy Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 241000288673 Chiroptera Species 0.000 description 1
- 229910001200 Ferrotitanium Inorganic materials 0.000 description 1
- 241000257303 Hymenoptera Species 0.000 description 1
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 210000003414 extremity Anatomy 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000001968 nicotinic acid Nutrition 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 210000002374 sebum Anatomy 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
- F03D1/0675—Rotors characterised by their construction elements of the blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
- F03D1/0691—Rotors characterised by their construction elements of the hub
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a light wind wheel structure of a bionic membrane structure fan blade, which is characterized in that a light membrane material with characteristics of hydrophobicity, tightness, smoothness and the like, which is suitable for being used as a fan blade, is selected as a membrane surface, a framework made of a high-strength material is used for supporting and shaping to form the light bionic wing (or wing) membrane structure fan blade with the characteristic of a wind force synergistic curved surface, and a light high-rigidity combined hub is matched to form the light wind wheel structure. The key points of the technical scheme are as follows: the bionic fan blade comprises a framework structure and a membrane surface connected to the framework structure, wherein the framework structure is connected with the hub structure to establish a synchronous rotation relationship, the membrane surface is made of a light membrane material, and the framework structure supports the membrane surface to be unfolded to form the bionic membrane structure fan blade. The light wind wheel structure has the advantages of saving materials, reducing cost and converting wind energy efficiently compared with the conventional wind wheel structure.
Description
Technical Field
The invention relates to the technical field of wind power generation equipment, in particular to a light wind wheel structure of a bionic membrane structure fan blade.
Background
The wind wheel (blade and hub) of the core part of the wind generating set is subjected to research and development of cost-reducing and efficiency-increasing technology, and the important requirements of development of the national wind power industry are met. The technology combines the biological structure of flying organs of bats (wings) and hymenopterans (wings) through researching biological structures of light film structure technology, forms bionic film structure fan blades good for absorbing energy and rotating through artificial directional function transformation, and then installs the fan blades on a light combined hub to form a light wind wheel.
Disclosure of Invention
The invention provides a light wind wheel structure of a bionic membrane structure fan blade, which is a novel wind wheel structure produced by fusion application of a membrane structure and bionics in the field of wind power generation. The structure adopts the extremely light membrane material to manufacture the membrane surface in the form of the bionic wing (or wing) membrane, supports and shapes the membrane surface through the framework made of the high-strength light material, forms the membrane structure fan blade which is light in material saving and good in energy absorption and rotation, and can achieve the aim of efficiently utilizing wind energy to realize cost reduction and efficiency improvement.
In order to achieve the above object, the present invention adopts the following technical scheme:
the utility model provides a bionical membrane structure fan blade light wind wheel structure, includes bionical fan blade and wheel hub structure, at least two sets of bionical fan blade encircles wheel hub structure setting, bionical fan blade includes skeleton texture and membrane face, the hub structure is connected to the skeleton texture in order to establish synchronous rotation relation, the membrane face leaf adopts light membrane material, and the skeleton texture supports membrane face expands and forms bionical wing membrane structure fan blade or bionical wing membrane structure fan blade, and bionical fan blade is connected with wheel hub structure again after passing through the plastic transformation of skeleton texture and rotates the wind energy to with being good at bionical wing or the wing structure transformation of attaching to wind-force flight forms the wind wheel structure that is good at attaching to wind-force rotation.
Compared with the prior art, the bionic membrane structure fan blade light wind wheel structure has the following beneficial effects:
in the scheme, a framework structure is adopted to support a light membrane material to form a wing (or wing) membrane type bionic fan blade (batwing or insect wing imitating flying creatures), and the framework structure has the advantages of lighter weight and more material saving compared with the whole structure of the fan blade because the membrane material is extremely light in weight, so that compared with the windmill blade adopted by the existing wind driven generator, the wind wheel structure is lighter in weight and saves materials, and accords with the current trend of energy saving, high efficiency and green production; in addition, the bionic fan blade of this scheme imitates the wing or the wing of flight organism, and the wing or the wing of flight organism has formed the structure that high-efficient utilization wind power was flown in the evolution process, and this scheme is through bionical design and to its shaping transformation that has carried out directional function, forms space torsion curved surface, makes wind wheel structure more high-efficient utilization wind-force, more easily reaches the purpose that falls the cost and increase. The biological wing/wing structure has good wind power utilization appearance, and is closer to a reasonable aerodynamic model in long-term evolution, and the wing-like structure or the wing-like structure adopted by the scheme is not only beneficial to light weight, but also can convert wind energy into rotational energy more efficiently.
Further preferably, the hub structure is a combined hub, the combined hub comprises an inner hub and an outer hub, a connecting structure with material saving effect is arranged between the inner hub and the outer hub, and the connecting structure is used for maintaining the coaxial relative fixation of the inner hub and the outer hub; the combined hub adopts high-strength metal or light nonmetal materials, and is designed to form a space structure of the high-rigidity combined hub through a connecting structure for the inner hub and the outer hub, so that the main characteristics of material saving and high rigidity are formed.
The hub mechanism can be made of light alloy materials with enough strength to meet the requirements, such as aluminum alloy, magnesium alloy and the like, and compared with the traditional solid hub, the structure of the combined hub can greatly reduce the weight of the hub while maintaining the enough rigidity of the hub mechanism; besides light alloy materials, the framework structure can also adopt a framework formed by a high-pressure inflatable liner, a hollow pipe truss structure, a hollow/porous resin framework and the like, and the structure and the materials are optimized to further lighten the wind wheel structure, so that the mechanical loss is further reduced, and the efficiency is improved.
Further preferably, the bionic fan blade adopts a bionic wing film structure fan blade, and particularly adopts a batwing-imitated structure, and the film surface is a wing film. The bat flying depends on the wing membrane, is formed by the sebum membrane that its four limbs skeleton strutted, and this structure is not only favorable to catching the air current, does benefit to and relies on wind-force to realize flying, and this skeleton supports the structure of wing membrane lighter weight moreover, just can effectively reduce the energy loss by itself, adopts the space arc to twist reverse the windward side simultaneously, combines the pulling force control of wing membrane cable can more effectually turn into the rotational energy that is used for generating electricity, and the bionic fan blade of this scheme is by the skeleton structure supporting membrance form after the artificial shaping transformation of similar bat wing, still has high-efficient wind energy utilization performance when having the light festival material characteristic of bat wing. Meanwhile, according to market demands, the bionic wing membrane structure fan blade can be designed into a movable type and a fixed type, and the bionic wing membrane structure fan blade adopting the movable type design is high in manufacturing cost, but can be retracted when encountering strong wind, is convenient to transport and install, and has higher safety and applicability.
Further preferably, the connecting structure adopts a lattice structure, the lattice structure is composed of a plurality of hub pull rods distributed between the inner hub and the outer hub, the hub pull rods are made of high-strength tensile materials, the hub pull rods are connected with the inner hub and the outer hub, and the inner hub and the outer hub are kept relatively fixed in the same axis through the strong pull limiting effect of the hub pull rods, so that a light high-rigidity space structure is formed.
Further preferably, the skeleton structure comprises a main wing skeleton and a plurality of shaping skeletons, and the main wing skeleton and the shaping skeletons jointly support the membrane surface to shape the morphological structure of the bionic fan blade, which is good for rotation.
Further preferably, the main wing framework is provided with at least one connecting node, the connecting node divides the main wing framework into a connecting section and one or more folding sections, the connecting section is connected with the hub structure, and the axis extension line of the connecting section is preferably close to the axis of the hub structure as much as possible; the bionic wing film structure fan blade is provided with a folding and unfolding control inhaul cable, the folding and unfolding control inhaul cable is connected with the framework structure and the hub structure to transfer tension, the folding and unfolding section of the main wing framework is controlled to be opened relative to the connecting section through the tension action of the folding and unfolding control inhaul cable, the film surface is unfolded in a tensioning mode, the shaping framework is connected to the main wing framework, and the main wing framework and the shaping framework jointly support the film surface to shape the bionic fan blade into the bionic wing film structure fan blade.
Further preferably, a tensioning control anchor I is arranged on the hub structure, a tensioning control anchor II is arranged on a connecting section of the main wing framework, linkage nodes are arranged on a folding section of the main wing framework and the shaping framework, two ends of a folding control inhaul cable are respectively connected with the tensioning control anchor I and the tensioning control anchor II, and the folding control inhaul cable sequentially passes through the connecting nodes, the linkage nodes of the folding section and the linkage nodes of the shaping framework, and the folding control inhaul cable controls the main wing framework and the shaping framework to carry out synchronous folding and unfolding actions; the bionic wing membrane structure fan blade is further provided with a wing membrane cable and a control framework for controlling the tension direction of the wing membrane cable, the wing membrane cable is connected with one side edge of the membrane surface away from the main wing framework, the hub structure is provided with a tensioning control anchor III, one end of the wing membrane cable is connected to the furling section at the outermost end, the other end of the wing membrane cable is connected to the tensioning control anchor III, the end of the shaping framework is connected with the wing membrane cable, the control framework is connected with the wing membrane cable, and the tension direction of the wing membrane cable is controlled by controlling the length of the control framework to stretch or angle rotation.
Through the combined action of the main wing framework, the shaping framework, the folding and unfolding control inhaul cable and the wing membrane inhaul cable, the bionic wing membrane shape formed by the membrane surface is molded and supported, and the shape of the membrane surface is molded based on the characteristics of the wind force synergistic curved surface: the membrane surface takes the near hub end as a starting point to be in a relatively narrowed form, gradually extends and widens towards the middle and far ends of the framework structure until being narrowed again than the furthest end of the framework structure. The far end in the membrane surface of the shape is relatively wider, so that an air contact surface with a larger area is formed, the occupation ratio of a wind energy utilization high-efficiency area can be increased, and the wind energy conversion rate is increased by matching with the shaping transformation of the membrane surface space torsion curved surface, so that the purpose of wind power generation efficiency enhancement is achieved. In the design stage, the widths, torsion angles and curvature of curved surfaces of a plurality of parts of the film surface are used as variables, the wind force synergy effect test is carried out, the wind force synergy curved surface is obtained, and the film surface shape with optimal wind force synergy characteristics is obtained by referring to the wind force synergy curved surface. The shaping framework is additionally arranged, and the length and the angle of the shaping framework are designed, so that the shape of the shaping film surface can be more effectively shaped, and the wind force synergistic curved surface can be maintained.
The main wing framework maintains unfolding on the hub mechanism through the pulling force of the unfolding control inhaul cable. The connecting node of the connecting section and the hub mechanism is used as the most main stress point, the closer the axis extension line of the connecting section is to the axis of the hub mechanism, the smaller the moment of pressure at the connecting node is, so that the degree of dynamic change influence caused by the main wing framework pressure can be reduced; the stretching control inhaul cable is connected with the anchoring point and is arranged on the inner hub and approaches the tangential direction of the circle, the adverse effect generated by the stretching control inhaul cable pulling force can be reduced, meanwhile, the stretching control inhaul cable is anchored into the inner hub along the tangential direction, the stress is reasonable and safer, the pressure direction of the main wing framework can be guided to the vicinity of the axis pointing to the outer hub through adjusting the stretching control inhaul cable, the effect of reducing the uncertain influence caused by the dynamic change of the main wing framework pressure is achieved, and the damage probability of the connecting anchoring node of the control inhaul cable and the hub mechanism is reduced.
The tightening direction of the stretching control inhaul cable can be controlled by controlling the stretching control anchorage device I and the stretching control anchorage device II, so that all nodes on the main wing framework and the shaping framework are stressed synchronously, and the folding and the stretching of the main wing framework and the shaping framework are controlled; the wing membrane inhaul cable connected to the edge of the membrane surface can be used as a medium for supporting and controlling the surface of the membrane, and the profile of the membrane surface is determined by adjusting the support of the wing membrane inhaul cable; the control skeleton can stretch out and draw back length adjustment as required, and the control skeleton can carry out the side direction swing for the direction of rotation of main wing skeleton, but the pulling force effect of adjustable wing membrane cable to the membrane face is in order to change membrane face width and torsion angle, reaches different wind-force conversion effects, realizes the purpose of adjusting the membrane face form according to actual demand.
The invention discloses a technical scheme as follows in addition to the technical scheme:
in the scheme, the bionic fan blade adopts a fan blade with a bionic wing membrane structure, specifically adopts a structure of a simulated membranous insect wing, and the membrane surface is a wing membrane. The framework structure comprises a main wing framework and a shaping secondary framework, the shaping secondary framework is fixed on the main wing framework, the shaping secondary framework and the main wing framework jointly imitate the veins of the insect wings so as to play a role in supporting the wing membranes, the edge of the wing membranes is connected with a wing membrane edge rope, and the main wing framework is connected to the hub structure through a main wing fixing seat. The main wing framework and the shaping secondary framework can be made of flexible high-pressure air inflation pipes, when the high-pressure air inflation pipes are inflated with high-pressure air, the main wing framework and the shaping secondary framework are in a tightening state with supporting property, and after the high-pressure air inflation pipes are deflated, the high-pressure air inflation pipes are softened, so that the whole fan blade with the bionic wing membrane structure can be wound and folded.
The main wing framework and the shaping secondary framework are preferably made of inflatable rubber soft materials, such as flexible high-pressure inflatable tubes (round tubes or oval tubes); honeycomb nonmetallic high-strength materials, such as resins, may also be used. The main wing framework can be of a single independent structure or a combined structure. The main wing skeleton is provided with a wing membrane joint, the wing membrane joint divides the main wing skeleton into a plurality of skeleton sections, each skeleton section is fixedly connected through the wing membrane joint, the functions of strengthening connection nodes and adjusting the form of the main wing skeleton are achieved, and when the main wing skeleton with a combined structure is adopted, a more stable high-rigidity main wing skeleton structure can be obtained under the condition of using the same sample material.
The invention also discloses a technical scheme as follows:
in this scheme, connection structure adopts solid web plate, solid web plate can set up hole and/or recess in order to subtract heavy.
Besides the foldable or deformable scheme, the framework structure provided by the invention can be made into a framework structure with a fixed form based on a specific use scene or economic consideration, so that the bionic fan blade which is in a fixed unfolding shape and can not be folded and unfolded actively is formed.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment 1 of a bionic membrane structure fan blade light wind wheel structure (a batwing-like structure).
Fig. 2 is a schematic diagram of a connection structure between a fan blade and a hub mechanism in a bionic wing membrane structure in embodiment 1.
Fig. 3 is a schematic side structural view of a fan blade and hub mechanism with a bionic wing membrane structure in embodiment 1.
Fig. 4 is a schematic cross-sectional view of a fan blade with a bionic wing membrane structure in embodiment 1.
Fig. 5 is a schematic structural view of an embodiment 2 of a light wind wheel structure with a bionic membrane structure (insect-wing-imitating structure) of a fan blade of the invention.
Fig. 6 is a schematic side structural diagram of a fan blade and hub mechanism with a bionic fin structure in embodiment 2.
Fig. 7 is a schematic cross-sectional view of a fan blade with a bionic fin structure in embodiment 2.
Reference numerals: 1. a hub structure; 10. an inner hub; 11. an outer hub; 12. a hub pull rod; 13. solid web plates; 2. fan blade with bionic wing film structure; 20. a wing film; 21. a main wing skeleton; 210. a connection section; 211. a folding section; 22. shaping the framework; 220. a proximal outer end frame; 221. a near-inner end skeleton; 23. connecting the nodes; 24. a hinge node; 25. a linkage node; 26. controlling a framework; 3. retracting and expanding a control inhaul cable; 4. wing membrane inhaul cables; 5. controlling a framework; 6. tensioning a control anchorage device I; 7. tensioning a control anchorage II; 8. tensioning a control anchorage III; 9. fan blade with bionic wing membrane structure; 90. a fin film; 91. a main fin skeleton; 910. a ptera joint; 92. shaping the secondary framework; 93. a fin membrane edge cable; 94. and a main fin fixing seat.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Example 1:
the bionic membrane structure fan blade light wind wheel structure shown in fig. 1-4 comprises a hub mechanism 1 and four groups of bionic fan blades, wherein the bionic fan blades adopt bionic membrane structure fan blades 2, and particularly adopt a batwing-imitated structure. The hub mechanism 1 comprises an inner hub 10 and an outer hub 11, a plurality of hub pull rods 12 are arranged between the inner hub 10 and the outer hub 11, the hub pull rods 12 are distributed in spoke type, the hub pull rods 12 maintain the inner hub 10 and the outer hub 11 to be relatively fixed in a coaxial mode, the inner hub 10 and the outer hub 11 are made of aluminum alloy materials, and the hub pull rods 12 are made of titanium steel.
The four groups of bionic wing film structure fan blades 2 are arranged around the axis of the outer hub 11 at equal angles, the bionic wing film structure fan blades 2 comprise a framework structure and wing films 20 connected to the framework structure, the wing films 20 are made of light film materials with hydrophobic, airtight, smooth and other properties, and can be made of textile films which are made of glass fibers or polyester fibers serving as base cloth and are coated with PTFE (polytetrafluoroethylene) coatings on two sides, and the bionic wing film structure fan blades are light in texture and smooth in surface, have high strength and good durability, are windproof and waterproof, have self-cleaning performance, and can greatly reduce the adhesion of dirt and water stains in an outdoor environment. The skeleton structure specifically adopts honeycomb hollow resin skeleton, and honeycomb hollow resin skeleton adopts the bionical technique of natural honeycomb, and the inside porous hollow structure that is similar honeycomb structure of skeleton has high strength and lightweight's advantage. The framework structure supports the wing membrane 20 to be unfolded and stretched, and the wing membrane 20 forms the bionic wing membrane type blade through the support of the framework structure.
The skeleton structure comprises a main wing skeleton 21 and two shaping skeletons 22, wherein the two shaping skeletons 22 are respectively a near outer end skeleton 220 and a near inner end skeleton 221, the main wing skeleton 21 is provided with a connecting node 23, the connecting node 23 divides the main wing skeleton 21 into a connecting section 210 and a folding section 211, and the connecting section 210 and the folding section 211 are hinged at the connecting node 23. The connection section 210 is rotatably connected to the outer hub 11 through the hinge joint 24, and the axis extension line of the connection section 210 is preferably as close to the axis of the inner hub 10 as possible, i.e. the distance between the axis of the hub 10 and the extension line of the connection section 210 is as small as possible. The near-outer end framework 220 and the near-inner end framework 221 are simultaneously and rotatably connected at the connecting joint 23, the near-outer end framework 220 and the near-inner end framework 221 divide the wing membrane 20, the dividing angle is preferably uniform, the near-outer end framework 220 and the near-inner end framework 221 shape the wing membrane 20, and the length, thickness, bending and straight bending of the wing membrane 20 are determined according to the design requirement of the wind-force synergistic curved surface of the wing membrane 20.
The bionic wing film structure fan blade 2 is further provided with a folding and unfolding control cable 3, a wing film cable 4 and a control framework 5 for controlling the tension direction of the wing film cable 4, wherein the folding and unfolding control cable 3 is opened relative to the connecting section 210 through a folding and unfolding section 211 of the tension control main wing framework 21, so that the wing film 20 is unfolded in a tensioning mode. The inner hub 10 is provided with a tensioning control anchor I6, the inner side of a connecting section 210 of the main wing framework 21 is provided with a tensioning control anchor II 7, the middle part of the folding and unfolding section 211 and the middle part of the shaping framework 22 are respectively provided with a linkage node 25, and two ends of the folding and unfolding control inhaul cable 3 are respectively connected with the tensioning control anchor I6 and the tensioning control anchor II 7. The stretching control cable 3 takes the stretching control anchor I6 as a starting point, sequentially passes through the outer side to bypass the connecting node 23, the linkage node 25 of the stretching section 211 and the linkage node 25 of the near-outer end framework 220, and then passes through the inner side to bypass the linkage node 25 of the near-inner end framework 221, the stretching control cable 3 has a negative effect on the stretching control anchor I6 in a tangential direction close to the inner hub 10, and simultaneously the stretching control cable 3 is anchored into the inner hub 10 along the tangential direction, so that the stress is reasonable and safer, and the pressure direction of the main wing framework 21 can be guided to the vicinity of the axle center of the outer hub 11 by adjusting the stretching control cable 3, so that the effect of reducing the uncertain influence caused by the dynamic change of the pressure of the main wing framework 21 is achieved. The tension control anchor I6 and the tension control anchor II 7 are controlled to control the tension and the tightening direction of the folding control cable 3, when the folding control cable 3 is tightened by the tension control anchor I6, the folding control cable 3 applies acting force to the connecting node 23 and each linkage node 25, so that the connecting section 210 and the folding section 211 are in a trend of being mutually opened, the near-outer end framework 220 is synchronously pressed to the folding section 211, the near-inner end framework 221 is pressed to the connecting section 210, and the whole framework structure is caused to be in a trend of being unfolded.
The wing membrane cable 4 is connected with one side edge of the wing membrane 20 far away from the main wing framework 21, four tensioning control anchors III 8 are arranged on the outer hub 11, the four tensioning control anchors III 8 are respectively arranged correspondingly to four, one end of the wing membrane cable 4 is connected to the outermost end of the folding section 211, the other end of the wing membrane cable 4 is connected to the tensioning control anchor III 8, and the ends of the near-outer end framework 220 and the near-inner end framework 221 are connected with the wing membrane cable 4. The control framework 5 is arranged at the tail end of the connecting section 210 of the main wing framework 21, the control framework 5 is connected with the wing membrane inhaul cable 4, and under the limiting action of the control framework 5, the tension direction of the wing membrane inhaul cable 4 to the tension control anchorage III 8 is the tangential direction of the outer hub 11, so that the torsion moment generated by the force favorable for rotation is maximized; the control skeleton 5 can swing laterally relative to the rotation direction of the main wing skeleton 21 to adjust the support of the wing film inhaul cable 4 to determine the profile of the wing film 20, and the wing film inhaul cable 4 can be controlled to swing laterally to change the torsion angle of the wing film 20, so that different wind power conversion effects can be achieved by different torsion angles of the wing film 20.
The main wing framework 21 and the shaping framework 22 jointly mold and support the wing membrane 20 to form a morphological structure with the characteristic of a wind force synergistic curved surface, and the morphological structure is specifically as follows: the wing membrane 20 is in a relatively narrowed configuration starting from the proximal hub end and gradually extends and widens toward the mid-distal end of the framework until it is again narrowed to be less than the most distal end of the framework. The far end in the wing film 20 is relatively wide, so that an air contact surface with a larger area can be formed, the occupation ratio of a wind energy utilization high-efficiency area can be increased, and the wind energy conversion rate is increased by matching with the shaping transformation of the film surface space torsion curved surface, so that the purpose of wind power generation efficiency enhancement is achieved.
Example 2:
as shown in fig. 5-7, the difference between the present embodiment and embodiment 1 is that the present embodiment adopts bionic fan blades with different structures compared with embodiment 1, and achieves the effects of light weight, material saving and efficiency improvement similar to embodiment 1.
In the scheme, an inner hub 10 and an outer hub 11 are relatively and fixedly connected through a solid plate 13, a bionic fan blade adopts a bionic wing film structure fan blade 9, and specifically adopts a structure of a bionic wing insect wing, and the bionic wing film structure fan blade 9 comprises a framework structure, a wing film 90, a wing film edge rope 93 and a main wing fixing seat 94. The skeleton structure includes main wing skeleton 91 and moulding secondary skeleton 92, and moulding secondary skeleton 92 is fixed on main wing skeleton 91, and main wing skeleton 91 adopts the integrated configuration, and main wing skeleton 91 is provided with two wing membrane joints 910, and two wing membrane joints 910 divide into three skeleton sections with main wing skeleton 91, and the wing membrane joint 910 reinforces fixed connection to three skeleton sections, adjusts and maintains the form of main wing skeleton 91 through wing membrane joint 910. The molding secondary skeleton 92 and the main wing skeleton 91 jointly imitate the veins of the insect wings to play a supporting role on the wing membrane 90, the edge of the wing membrane 90 is connected with a wing membrane edge rope 93, the wing membrane edge rope 93 is used for molding the wing membrane 90 and transmitting part of wind energy, and the main wing skeleton 91 is connected to the outer hub 11 through a main wing fixing seat 94. The main wing skeleton 91 and the shaping secondary skeleton 92 are both made of flexible high-pressure air inflation pipes, when the high-pressure air inflation pipes are inflated with high-pressure air, the main wing skeleton 91 and the shaping secondary skeleton 92 are in a supporting tightening state, and after the high-pressure air inflation pipes are deflated, the whole insect-wing-imitating structure 9 is softened, so that the insect-wing-imitating structure can be rolled and folded.
The above-described technical solution is a preferred embodiment of the present invention, and it should be understood that those skilled in the art may make several modifications and improvements without departing from the principles of the present invention, and these should also be considered as the protection scope of the present invention.
Claims (10)
1. A bionic membrane structure fan blade light wind wheel structure is characterized in that: including bionical fan blade and wheel hub structure (1), at least two sets of bionical fan blade encircles wheel hub structure (1) setting, bionical fan blade includes skeleton texture and membrane face, the hub structure is connected in order to establish synchronous rotation relation to skeleton texture, the membrane face leaf adopts light membrane material, and the skeleton texture supports membrane face expands and forms bionical wing membrane structure fan blade (2) or bionical wing membrane structure fan blade (9), and bionical fan blade passes through the skeleton texture shaping and reforms transform the back and is connected with wheel hub structure (1) again and transmit wind energy to with being good at depending on wind-force flight biological wing or wing structure reform transform and form the wind wheel structure good at depending on wind-force rotation.
2. The biomimetic membrane structure fan blade light wind wheel structure according to claim 1, wherein: the hub structure (1) is a combined hub, the combined hub comprises an inner hub (10) and an outer hub (11), a connecting structure with material-saving effect is arranged between the inner hub (10) and the outer hub (11), and the connecting structure is used for maintaining the coaxial center of the inner hub (10) and the coaxial center of the outer hub (11) to be relatively fixed; the combined hub adopts high-strength metal or light nonmetal materials, and is designed to form a large-rigidity combined hub space structure through a connecting structure for the inner hub (10) and the outer hub (11), so that the main characteristics of material saving and high rigidity are formed.
3. The biomimetic membrane structure fan blade light wind wheel structure according to claim 1, wherein: the bionic fan blade adopts a bionic wing film structure fan blade (2), specifically adopts a batwing-imitated structure, and the film surface is a wing film (20).
4. The biomimetic membrane structure fan blade light wind wheel structure according to claim 1, wherein: the bionic fan blade adopts a bionic wing membrane structure fan blade (9), specifically adopts a structure of a simulated membranous insect wing, and the membrane surface is a wing membrane (90).
5. The biomimetic membrane structure fan blade light wind wheel structure according to claim 2, wherein: the connecting structure adopts a solid web plate (13), and the solid web plate (13) can be provided with holes and/or grooves to save materials.
6. The biomimetic membrane structure fan blade light wind wheel structure according to claim 2, wherein: the connection structure adopts a lattice structure, the lattice structure is composed of a plurality of hub pull rods (12) distributed between an inner hub (10) and an outer hub (11), the hub pull rods (12) are made of high-strength tensile materials, the hub pull rods (12) are connected with the inner hub (10) and the outer hub (11), and the coaxial centers of the inner hub (10) and the outer hub (11) are maintained to be relatively fixed through the strong pulling limiting effect of the hub pull rods (12).
7. A biomimetic membrane structure fan blade light wind wheel structure according to claim 3, wherein: the framework structure comprises a main wing framework (21) and a plurality of shaping frameworks (22), and the main wing framework (21) and the shaping frameworks (22) jointly support the membrane surface to shape the morphological structure of the bionic wing membrane structure fan blade (2).
8. The biomimetic membrane structure fan blade light wind wheel structure according to claim 7, wherein: the main wing framework (21) is provided with at least one connecting node (23), the connecting node (23) divides the main wing framework (21) into a connecting section (210) and one or more folding sections (211), the connecting section (210) is connected with the hub structure (1), and the axis extension line of the connecting section (210) is preferably close to the axis of the hub structure (1) as much as possible; the bionic wing film structure fan blade (2) is provided with a folding and unfolding control stay rope (3), the folding and unfolding control stay rope (3) is connected with the framework structure and the hub structure (1) to transfer tension, a folding and unfolding section (211) of the main wing framework (21) is controlled by the tension action of the folding and unfolding control stay rope (3) to be opened relative to the connecting section (210), so that the film surface is unfolded in a tensioning mode, the shaping framework (22) is connected to the main wing framework (21), and the main wing framework (21) and the shaping framework (22) jointly support the film surface to shape the bionic fan blade into the bionic wing film structure fan blade (2).
9. The biomimetic membrane structure fan blade light wind wheel structure according to claim 8, wherein: the hub structure (1) is provided with a tensioning control anchor I (5), a connecting section (210) of the main wing framework (21) is provided with a tensioning control anchor II (6), a folding section (211) of the main wing framework (21) and a shaping framework (22) are respectively provided with a linkage node (25), two ends of a folding control stay rope (3) are respectively connected with the tensioning control anchor I (5) and the tensioning control anchor II (6), the folding control stay rope (3) sequentially passes through the connecting node (23), the linkage node (25) of the folding section (211) and the linkage node (25) of the shaping framework (22), and the folding control stay rope (3) controls the main wing framework (21) and the shaping framework (22) to synchronously fold and unfold; the bionic wing membrane structure fan blade (2) is further provided with a wing membrane cable (4) and a control framework (26) for controlling the pulling force direction of the wing membrane cable (4), the wing membrane cable (4) is connected with a side edge of a membrane surface far away from the main wing framework (21), the hub structure (1) is provided with a tensioning control anchor III (7), one end of the wing membrane cable (4) is connected to an outer-most stretching section (211), the other end of the wing membrane cable is connected to the tensioning control anchor III (7), the end of the shaping framework (22) is connected with the wing membrane cable (4), the control framework (26) is connected with the wing membrane cable (4), and the length of the control framework (26) is controlled to stretch or rotate at an angle to control the pulling force direction of the wing membrane cable (4).
10. The bionic membrane structure fan blade light wind wheel structure according to claim 4, wherein: the framework structure comprises a main wing framework (91) and a plurality of shaping secondary frameworks (92), wherein the main wing framework (91) is provided with a plurality of wing membrane joints (910), the wing membrane joints (910) are used for reinforcing the main wing framework (91) in a segmented mode and dividing the main wing framework (91) into a plurality of framework sections, the wing membrane joints (910) are used for connecting the framework sections to form a combined main wing framework (91), the shaping secondary frameworks (92) are fixed on the main wing framework (91), the shaping secondary frameworks (92) and the main wing frameworks (91) simulate the veins of insects jointly to play a supporting role on wing membranes, the wing membrane edges are connected with wing membrane edge ropes (93), and the main wing framework (91) is connected to a hub structure through main wing fixing seats (94).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310542779.9A CN116538003A (en) | 2023-05-15 | 2023-05-15 | Light wind wheel structure of bionic membrane structure fan blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310542779.9A CN116538003A (en) | 2023-05-15 | 2023-05-15 | Light wind wheel structure of bionic membrane structure fan blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116538003A true CN116538003A (en) | 2023-08-04 |
Family
ID=87453953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310542779.9A Pending CN116538003A (en) | 2023-05-15 | 2023-05-15 | Light wind wheel structure of bionic membrane structure fan blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116538003A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118030364A (en) * | 2023-10-19 | 2024-05-14 | 江苏浩一创科技开发有限公司 | Feather type bionic wind wheel for wind power generation |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0016602A1 (en) * | 1979-03-12 | 1980-10-01 | Timothy Michael Gilchrist | Improvements in rotors for wind powered electric generators |
| CN101337582A (en) * | 2008-08-19 | 2009-01-07 | 宋兆会 | Manpower running type flapping-wing aircraft |
| CN204327421U (en) * | 2014-08-27 | 2015-05-13 | 刘荣甫 | A kind of fan blade of steady structure mutually and combination of wind-driven generator thereof |
| CN106184744A (en) * | 2016-08-04 | 2016-12-07 | 北京航空航天大学 | A kind of manufacture method of the bionical Insect wings of light-high-strength |
| CN106640517A (en) * | 2017-01-21 | 2017-05-10 | 毛永波 | Axial current force curtain sail current wheel |
| WO2017128803A1 (en) * | 2016-01-27 | 2017-08-03 | 广东美的环境电器制造有限公司 | Fan wheel, and home appliance |
| CN108457795A (en) * | 2018-04-26 | 2018-08-28 | 丁超 | The wind turbines rotor of automatic variable-pitch and disability protection |
| CN112253537A (en) * | 2020-11-19 | 2021-01-22 | 泛仕达机电股份有限公司 | Bionic axial flow wind wheel |
| CN218467907U (en) * | 2022-07-25 | 2023-02-10 | 中山宜必思科技有限公司 | Axial flow fan blade with bionic structure and axial flow fan |
-
2023
- 2023-05-15 CN CN202310542779.9A patent/CN116538003A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0016602A1 (en) * | 1979-03-12 | 1980-10-01 | Timothy Michael Gilchrist | Improvements in rotors for wind powered electric generators |
| CN101337582A (en) * | 2008-08-19 | 2009-01-07 | 宋兆会 | Manpower running type flapping-wing aircraft |
| CN204327421U (en) * | 2014-08-27 | 2015-05-13 | 刘荣甫 | A kind of fan blade of steady structure mutually and combination of wind-driven generator thereof |
| WO2017128803A1 (en) * | 2016-01-27 | 2017-08-03 | 广东美的环境电器制造有限公司 | Fan wheel, and home appliance |
| CN106184744A (en) * | 2016-08-04 | 2016-12-07 | 北京航空航天大学 | A kind of manufacture method of the bionical Insect wings of light-high-strength |
| CN106640517A (en) * | 2017-01-21 | 2017-05-10 | 毛永波 | Axial current force curtain sail current wheel |
| CN108457795A (en) * | 2018-04-26 | 2018-08-28 | 丁超 | The wind turbines rotor of automatic variable-pitch and disability protection |
| CN112253537A (en) * | 2020-11-19 | 2021-01-22 | 泛仕达机电股份有限公司 | Bionic axial flow wind wheel |
| CN218467907U (en) * | 2022-07-25 | 2023-02-10 | 中山宜必思科技有限公司 | Axial flow fan blade with bionic structure and axial flow fan |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118030364A (en) * | 2023-10-19 | 2024-05-14 | 江苏浩一创科技开发有限公司 | Feather type bionic wind wheel for wind power generation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN116538003A (en) | Light wind wheel structure of bionic membrane structure fan blade | |
| DK2895740T3 (en) | DRIED WINDING SYSTEM FOR WIND ENERGY USE | |
| CN106043691B (en) | The bionical wing of fluttering that wingtip cracks | |
| CN101158332B (en) | Inflatable skeleton structure blade | |
| US20080231058A1 (en) | Kite Power Generator | |
| US7847426B1 (en) | Wind power generation | |
| US4437426A (en) | Wing type air foil assembly | |
| WO2012129007A2 (en) | Reciprocating wind-powered transducer employing interleaved airfoil arrays | |
| JPS58500363A (en) | Sails with various propulsion and flotation effects | |
| CN217421415U (en) | Umbrella-shaped wind power device capable of deviating and umbrella-shaped wind energy conversion system | |
| AU2006293664A1 (en) | Kite power generator | |
| US20170313415A1 (en) | Kite with rigid spar arrangement | |
| CN110234869A (en) | Wind turbine blade | |
| CN108368824A (en) | Wind turbine blade | |
| CN110576957B (en) | Multi-skeleton simulated bat pectoral fin propulsion mechanism with controllable span-wise bending and chord-wise swinging | |
| CN108005464B (en) | Portable movable inflatable house and building method | |
| CN115675832A (en) | Multi-section type space quadrilateral wing framework and bionic aircraft | |
| CN206476049U (en) | A kind of bamboo base pleasure-boat sunshade | |
| CN110917636A (en) | Kite engine and kite power generation method | |
| CN201865839U (en) | Swinging vane type power-generation wind wheel | |
| CN114576091A (en) | Floating yaw type typhoon-resistant wind power generation device and typhoon defense method | |
| WO2012095478A1 (en) | Wind turbine blade, wind turbine and method of controlling such | |
| CN112012889A (en) | Marine wind power generation system | |
| WO2011155850A1 (en) | Inflatable wing with inflatable spar spaced from the leading edge | |
| CN219372339U (en) | Coastal large-span flexible photovoltaic support system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |