CN115247624A - Vertical shaft fluid generator assembly and fluid kinetic energy receiving device thereof - Google Patents

Vertical shaft fluid generator assembly and fluid kinetic energy receiving device thereof Download PDF

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Publication number
CN115247624A
CN115247624A CN202110453261.9A CN202110453261A CN115247624A CN 115247624 A CN115247624 A CN 115247624A CN 202110453261 A CN202110453261 A CN 202110453261A CN 115247624 A CN115247624 A CN 115247624A
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China
Prior art keywords
fluid
shaft
impellers
shielding
parts
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CN202110453261.9A
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Chinese (zh)
Inventor
刘宗富
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Individual
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Individual
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Priority to CN202110453261.9A priority Critical patent/CN115247624A/en
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    • 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
    • F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F03D3/005—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor  the axis being vertical
    • 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
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
    • F03B11/02—Casings
    • 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
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • 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
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
    • F03B3/12—Blades; Blade-carrying rotors
    • F03B3/121—Blades, their form or construction
    • 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
    • F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F03D3/06—Rotors
    • F03D3/061—Rotors characterised by their aerodynamic shape, e.g. aerofoil profiles
    • 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
    • F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F03D3/06—Rotors
    • F03D3/062—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
    • F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F03D3/06—Rotors
    • F03D3/062—Rotors characterised by their construction elements
    • F03D3/064—Fixing wind engaging parts to rest of rotor
    • 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
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20—Wind motors characterised by the driven apparatus
    • F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • 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
    • Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Power Engineering (AREA)
  • Wind Motors (AREA)

Abstract

The invention relates to a fluid kinetic energy receiving device for a vertical shaft fluid generator, which comprises an impeller component and a shielding component. The impeller component is connected to the power generation device and comprises two impellers. Each impeller comprises a shaft part and a plurality of blade parts. The shaft portion is perpendicular to the flow direction of the fluid and has opposite sides in the direction. The blade parts are arranged on the shaft rod part and are arranged at intervals in a surrounding mode. In the flowing direction of the fluid, the shielding component shields the axes of the shaft rod parts of the two impellers, shields the blade part on one side of the shaft rod part, and does not shield the blade part on the other side of the shaft rod part. Therefore, when the fluid passes through, the force only acts on one blade part, so that the mutually offset torque can not be generated, and the structure damage caused by unnecessary force application to the shaft part can be avoided.

Description

Vertical shaft fluid generator assembly and fluid kinetic energy receiving device thereof
Technical Field
The present invention relates to a vertical shaft generator, and more particularly to a small generator in a large row for irrigation, or a large generator for ocean currents in the sea, or a large and small wind generator.
Background
The prior art fluid power generators can be broadly divided into two types, i.e., vertical axis and horizontal axis, wherein the vertical axis fluid power generator has an advantage over the horizontal axis fluid power generator in that it does not need to be oriented in a specific direction, but can generate electricity by using fluid in any flow direction on the same plane.
Referring to fig. 11, the vertical axis fluid power generator includes a shaft 91 and a plurality of blades 92. The shaft 91 is perpendicular to the plane of fluid (wind or water) flow. The blades 92 are disposed around the shaft 91, such that when the fluid passes through the blades 92, the fluid pushes the shaft 91 to rotate, thereby generating electricity.
When the vertical axis fluid generator is used, for a fluid, the blades 92 are disposed on both sides of the shaft 91 when the fluid passes through the generator, and the blades 92 on both sides generate a torque on the shaft 91, so that if the fluid flows to the center of the shaft 91, the torque applied to the blades 92 on both sides is large or small, and finally the fluid counteracts each other to drive the shaft 91 to rotate. However, if the fluid flows through the center of the shaft 91, the moment applied to the blades 92 on both sides is too close, so in the vertical axis fluid generator of the prior art, the blades 92 are designed to have a special shape, so that even if the fluid flows through the center of the shaft 91, the moment applied to one blade 92 is larger than the moment applied to the other blade 92, thereby ensuring that the shaft 91 is always rotated to generate power.
However, the prior art vertical axis fluid generators still have the following disadvantages:
first, although the blades 92 have been designed to have a special shape to ensure that the torque generated by the blade 92 on one side is larger to enable the shaft 91 to rotate, the blade 92 on the side with the smaller torque will still cancel the torque generated by the blade 92 on the other side, so that some wind/water forces will cancel each other out, and the efficiency of energy conversion will be low.
Second, the vanes 92 must be specially designed to ensure that the fluid does not create the same positive and negative moments on the shaft 91, thereby resulting in high development and manufacturing costs.
Third, when the fluid passes through, a part of the force is directly applied to the shaft 91, so that the bottom end of the shaft 91 is subjected to a moment that causes the shaft 91 to tilt, which causes unnecessary stress and may cause structural damage.
Disclosure of Invention
In view of the foregoing disadvantages and drawbacks of the prior art, the present invention provides a vertical axis fluid power generator assembly and a fluid kinetic energy receiving device thereof, which can prevent the torque generated by the fluid from partially offsetting each other, and the blade portion does not need to be specially designed and does not generate unnecessary force on the shaft portion.
In order to achieve the above objects, the present invention provides a fluid kinetic energy receiving device for a vertical axis fluid power generator assembly, which is used to connect with a power generating device; the fluid kinetic energy receiving device comprises:
a fluid direction;
an impeller assembly for connecting to the power generation device, and comprising
Two impellers; each of the impellers comprises
A shaft portion perpendicular to the fluid direction and having opposite sides in the fluid direction;
a plurality of blade parts which are arranged on the shaft part and are arranged at intervals in a surrounding way;
a shielding component; in the fluid direction, the shielding component shields the axes of the shaft parts of the two impellers, shields the blade part on one side of the shaft part, and does not shield the blade part on the other side of the shaft part; the shielding component shields the blade parts on the side where the two shaft parts face each other or shields the blade parts on the side where the two shaft parts are far away from each other, so that the two impellers rotate in opposite directions.
To achieve the above object, the present invention provides a vertical axis fluid power generator assembly, comprising:
a fluid direction;
a power generation device;
an impeller assembly connected to the power generation device and including
Two impellers; each of the impellers comprises
A shaft part which is perpendicular to the fluid direction and has two opposite sides in the fluid direction;
a plurality of blade parts which are arranged on the shaft part and are arranged at intervals in a surrounding way;
a shielding component; in the fluid direction, the shielding component shields the axes of the shaft parts of the two impellers, shields the blade part on one side of the shaft parts, and does not shield the blade part on the other side of the shaft parts; the shielding component shields the blade parts on the side where the two shaft rod parts face each other or shields the blade parts on the side where the two shaft rod parts are far away from each other, so that the two impellers rotate in opposite directions.
When the invention is used, the fluid flows to the shielding component, and after being guided by the shielding component, the force of the fluid acts on the two impellers to rotate the two impellers, and the rotation of the two impellers can be used for driving the generator to generate electricity.
The impeller has the advantages that the shaft part of the impeller and the blade part on one side of the shaft part are shielded in the flowing direction of the fluid by the shielding assembly, so that when the fluid passes through, force only acts on the blade part on one side of the shaft part, and the moment which is mutually counteracted is not generated, and the efficiency of energy conversion can be improved. Moreover, because the force of the fluid only acts on one side of the blade part, the blade part does not need to be specially designed, and therefore the development and manufacturing cost can be saved. Moreover, because the shaft part is shielded by the shielding component, the force of the fluid can not directly act on the shaft part, thereby avoiding unnecessary stress on the shaft part and reducing the possibility of damage. In addition, because the shielding component shields the blade parts positioned on the sides of the two shaft parts facing each other or shields the blade parts positioned on the sides of the two shaft parts far away from each other, the two impellers rotate in opposite directions, and thus the whole body has the advantage of balanced stress.
Furthermore, the fluid kinetic energy receiving device for the vertical axis fluid power generator assembly described above includes a fixing frame fixedly disposed thereon; a rotating frame which can be rotatably arranged on the fixed frame; the impeller assembly and the shielding assembly are arranged on the rotating frame and rotate relative to the fixed frame along with the rotating frame; the fluid direction is perpendicular to the pivot of the fixed frame and the rotating frame, and the fluid direction rotates along with the rotating frame relative to the fixed frame.
Further, the fluid kinetic energy receiving device for the vertical axis fluid power generator assembly comprises an integrated output mechanism, wherein the integrated output mechanism is connected to the shaft portions of the two impellers and integrates the rotation of the shaft portions of the two impellers to output the fluid kinetic energy to the power generation device through a single output shaft, and the single output shaft is coaxial with the fixed frame and the rotating frame.
Furthermore, the fluid kinetic energy receiving device for the vertical axis fluid power generator assembly described above includes a steering wheel set disposed between the rotating frame and the power generating device, and configured to reduce friction when the rotating frame rotates relative to the power generating device.
Further, the fluid kinetic energy receiving device for the vertical axis fluid power generator assembly comprises a shielding member; in the fluid direction, the shielding member shields the axes of the shaft portions of the two impellers, and shields the blade portions located on the side where the two shaft portions face each other.
Further, in the above-mentioned fluid kinetic energy receiving device for a vertical axis fluid power generator assembly, the shielding member has a separating guide portion, and the separating guide portion divides the fluid flowing toward the shielding member into two parts and guides the two parts to the two impellers respectively.
Further, the fluid kinetic energy receiving device for the vertical axis fluid power generator assembly comprises two shielding members; in the fluid direction, the two shielding pieces respectively shield the axes of the shaft rod parts of the two impellers, and respectively shield the blade parts which are positioned at the sides of the two shaft rod parts far away from each other.
Further, in the fluid kinetic energy receiving device for the vertical shaft fluid power generator assembly, each of the shielding members has a concentrated guiding portion, and the concentrated guiding portions of the two shielding members together concentrate and guide the fluid flowing toward the shielding assembly to the two impellers.
Further, the fluid kinetic energy receiving device for the vertical axis fluid power generator assembly comprises two side baffles; the two impellers of the impeller component are positioned between the two side baffles, and the shaft rod parts of the two impellers are parallel to the two side baffles.
Drawings
Fig. 1 is a perspective view of a first embodiment of the present invention.
Fig. 2 is an exploded view of the components of the first embodiment of the present invention.
Fig. 3 is an exploded view of another component of the first embodiment of the present invention.
Fig. 4 is a top view of the first embodiment of the present invention.
Fig. 5 is a front view of the first embodiment of the present invention.
Fig. 6 is an elevational perspective view of the first embodiment of the present invention.
Fig. 7 is a top view of the impeller assembly and the shielding assembly according to the first embodiment of the present invention.
Fig. 8 is a top view of an impeller assembly and a shielding assembly according to another embodiment of the present invention.
Fig. 9 is a top view of the impeller assembly and the shielding assembly according to the second embodiment of the present invention.
FIG. 10 is a top view of an impeller assembly and a shielding assembly according to another embodiment of the present invention.
Fig. 11 is a schematic top view of a prior art vertical axis fluid generator.
Detailed Description
The technical means adopted by the invention to achieve the preset purpose are further described below by combining the accompanying drawings and the preferred embodiments of the invention.
Referring to fig. 1, 2 and 3, the vertical axis fluid generator assembly of the present invention includes a power generating device a and a fluid kinetic energy receiving device. The fluid kinetic energy receiving device is used for connecting the power generation device A. In the first embodiment, the power generation device a is provided below the fluid kinetic energy receiving device, whereby the power generation device a can be directly provided on the ground as a base, and the fluid kinetic energy receiving device receives wind power above the power generation device a. However, the invention is not limited to this, and in other embodiments, if the invention is applied to irrigation large rows, or rivers, ocean currents, etc., the power generation device a may be disposed above the fluid kinetic energy receiving device, thereby facilitating the sinking of the fluid kinetic energy receiving device into the water while the power generation device a is located on the water surface.
In the first embodiment, the fluid kinetic energy receiving device includes a fluid direction D1, an impeller assembly 10, a shielding assembly 20, a fixed frame 30, a rotating frame 40, a fluid steering mechanism 50, a steering wheel set 60, and two side baffles 70.
The fluid direction D1 is the flow direction of the preset fluid when passing through the present invention. The flow direction of the fluid passing through the present invention is not limited to the completely horizontal direction, and if the fluid is not completely horizontal, the flow direction refers to the horizontal component of the flow direction of the fluid passing through the present invention.
Referring to fig. 4, 5 and 6, the impeller assembly 10 is connected to the power generation device a and includes two impellers 11. Each impeller 11 includes a shaft portion 111 and a plurality of blade portions 112. The shaft portion 111 is perpendicular to the fluid direction D1, and has opposite sides in the fluid direction D1. In other words, when viewed from the fluid direction D1 toward the shaft portion 111, the two sides are divided into two lateral sides by the axis of the shaft portion 111. The blade portions 112 are disposed on the shaft portion 111 and are spaced around the shaft portion.
In the first embodiment, the impeller assembly includes an integrated output mechanism, which connects the shaft parts 111 of the two impellers 11, and integrates the rotation of the shaft parts 111 of the two impellers 11 to output to the power generation device a through a single output shaft 16. The integrated output mechanism includes two input gears 12, a connecting shaft 13, three linking gears 14, and an output gear 15.
The two input gears 12 are respectively fixed on the shaft parts 111 of the two impellers 11. The coupling shaft 13 is perpendicular to the shaft parts 111 of the two impellers 11. The interlocking gear 14 is fixed on the interlocking shaft 13, and two interlocking gears 14 are respectively meshed with the two input gears 12. The output gear 15 is meshed with the other interlocking gear 14 and is connected to the power generation device a via a single output shaft 16. The shaft parts 111 of the two impellers 11 can output torque to the same power generation device A at the same time through the input gear 12, the linkage shaft 13, the linkage gear 14 and the output gear 15; however, in other embodiments, the force-receiving resistance member does not need to have an integrated output mechanism, and thus the shaft portions 111 of the two impellers 11 can output torque to the two power generation devices a respectively.
Referring to fig. 4, 5, and 7, in the fluid direction D1, the shielding assembly 20 shields the axes of the shaft portions 111 of the two impellers 11, shields the blade portions 112 located at one side of the shaft portions 111, and does not shield the blade portions 112 located at the other side of the shaft portions 111. The shutter assembly 20 shutters the blade portions 112 located on the side where the two shaft portions 111 face each other, or shutters the blade portions 112 located on the side where the two shaft portions 111 are away from each other, thereby rotating the two impellers 11 in opposite directions. That is, in the transverse direction perpendicular to the fluid direction D1 and the shaft portion 111, only one blade portion 112 of each impeller 11 protrudes from the shielding assembly 20, and the axial centers of the other blade portion 112 and the shaft portion 111 do not protrude from the shielding assembly 20; therefore, when the impeller 11 is viewed from the fluid direction D1, only a part of the blade portions 112 is exposed to the shield member 20. The shielding of the shaft center of the shaft portion 111 of the impeller 11 means that the shielding component 20 does not shield the whole shaft portion 111, but only shields the imaginary rotating shaft center and one side thereof, that is, the other side of the shaft portion 111 can be allowed to be exposed to the shielding component 20 and not be shielded, but can also shield the whole shaft portion 111.
Specifically, in the first embodiment, the shielding assembly 20 includes a shielding member 21. In the fluid direction D1, the shield 21 shields the axial centers of the shaft portions 111 of the impellers 11 and shields the blade portions 112 located on the side where the shaft portions 111 face each other. Further, in the first embodiment, the shutter 21 has a separation guide portion that divides the fluid flowing toward the separation guide portion into two portions and guides the two portions to the two impellers 11, respectively. Specifically, the separation guide portion is two guide slopes 211 in the first embodiment, and the normal direction N1 of the two guide slopes 211 is opposite to the fluid direction D1 and away from each other. The two guiding inclined planes 211 are connected to each other, and a corner 212 is formed at the connection position. That is, the shielding member 21 is in the shape of an arrow in front of the two impellers 11, and divides and guides the fluid onto the blade portions 112 outside the two impellers 11 by using the corner 212 and the two guiding inclined planes 211; however, the specific form of the separation guide portion is not limited to the two guide slopes 211, and for example, in other embodiments, the separation guide portion may be a convex arc surface, as long as the separation guide portion can divide and guide the fluid. Also, in other embodiments, the shutter 21 may be a flat plate body perpendicular to the fluid direction D1, as shown in fig. 8.
Referring to fig. 1, 2 and 3, the fixing frame 30 is fixed. The rotating frame 40 is rotatably provided on the fixing frame 30. The impeller assembly 10 and the shielding assembly 20 are disposed on the rotating frame 40, and rotate with the rotating frame 40 relative to the fixed frame 30. The fluid direction D1 is perpendicular to the pivot of the fixed frame 30 and the rotating frame 40, and rotates with the rotating frame 40 relative to the fixed frame 30. The fluid diverting mechanism 50 is coupled to the turret 40 and causes the turret 40 to rotate relative to the fixed frame 30. The direction D1 of the fluid can be matched with the actual flowing direction of the fluid by the fixed frame 30, the rotating frame 40 and the fluid steering mechanism 50, so that the present invention can be arranged in a wind field with non-fixed flowing direction for use, and can be rotated at any time according to the wind direction until the shielding assembly 20 is positioned at the forefront to face the wind, and thus the present invention can generate electricity by using the wind blown from all directions.
The single output shaft 16 of the integrated output mechanism is coaxial with the pivot of the fixed frame 30 and the rotating frame 40. Since the present invention has two impellers 11, two power generation devices should be connected to each other in general, but if the two power generation devices are turned to conform to the actual flow direction of the fluid, the two power generation devices need to be turned; therefore, the integrated output mechanism can be integrated and output to a single power generation device, and since the single output shaft 16 is coaxial with the pivot of the fixed frame 30 and the rotating frame 40, even though the impeller assembly 10, the shielding assembly 20, and the rotating frame 40 need to rotate in accordance with the fluid flow direction, the single power generation device is located above or below the pivot of the fixed frame 30 and the rotating frame 40, so that the single power generation device does not need to rotate along with the rotation.
In addition, in the first embodiment, the fixing frame 30 is in a form of a gantry, and the rotating frame 40 is pivoted above the impeller assembly 10, the shielding assembly 20, and the rotating frame 40, but not limited thereto, in other embodiments, the fixing frame 30 may be in any form and the rotating frame 40 is pivoted below the impeller assembly 10, the shielding assembly 20, and the rotating frame 40, so that the rotating frame 40 rotates above the fixing frame 30, and the fixing frame 30 can further be used for accommodating the power generation device a.
Moreover, in the first embodiment, the fluid turning mechanism 50 is a plate, which is disposed on the rotating frame 40 and is parallel to the fluid direction D1, and the impeller assembly 10, the shielding assembly 20, and the plate are sequentially arranged along the fluid direction D1; in other words, the fluid steering mechanism 50 in the first embodiment is a tail/rudder provided on the turret 40, whereby the fluid pushes the fluid steering mechanism 50 in the form of a plate to turn the turret 40 when the fluid passes through. However, in other embodiments, the fluid diverting mechanism 50 may not be a plate, but may be a fluid flow sensor and a driving device, so that the rotating frame 40 can be rotated to make the fluid direction D1 correspond to the actual fluid flow direction. Furthermore, in the case of a fixed fluid flow direction, such as a river or a large row for irrigation, the present invention may also be provided without the fixed frame 30 and the rotating frame 40, so that the fluid direction D1 coincides with the actual fluid flow direction by the arrangement direction during erection, i.e. the shielding assembly 20 and the force-receiving member are arranged at fixed points during erection without changing positions.
Referring to fig. 3, 5 and 6, the steering wheel set 60 is disposed between the rotating frame 40 and the power generation device a, and is used for reducing the friction force when the rotating frame 40 rotates relative to the power generation device a. Specifically, the steering wheel set 60 is disposed on the rotating frame 40 and configured to abut against a top surface of the power generation device a. Since the top end of the rotating frame 40 is pivoted to the fixing frame 30 and disposed above the power generation device a in the first embodiment, the steering wheel set 60 can abut against the top surface of the power generation device a to provide an overall upward supporting force, so as to avoid the pivot of the rotating frame 40 and the fixing frame 30 from further bearing the weight of the rotating frame 40, the impeller assembly 10 and the shielding assembly 20, and at the same time, the rotating frame can smoothly turn.
Referring to fig. 3, fig. 4, and fig. 7, the two impellers 11 of the impeller assembly 10 are located between the two side baffles 70, and the shaft portions 111 of the two impellers 11 are parallel to the two side baffles 70, and in the first embodiment, the two side baffles 70 are parallel to the fluid direction D1. The baffles 70 at the two sides can block the turbulent flow at the side of the impeller 11; specifically, when the impeller 11 is driven to rotate by the fluid in front, the fluid flowing from the side toward the impeller 11 is still available on the side of the impeller 11, and the flow direction of the fluid on the side is toward the blade 112 on one side of the rotation axis of the impeller 11 but is opposite to the blade 112 on the other side, so that a part of the fluid will generate resistance to the rotation of the impeller 11 and further reduce the rotation speed, and thus the fluid is blocked by the side blocking plate 70 on the side, and the side blocking plate 70 is located just at the side to block the rotation axis of the impeller 11 and the blade 112 on the side opposite to the side fluid, so as to block the turbulent flow on the side to further increase the rotation speed, which is similar to the fluid flowing from front to the impeller 11 of the blocking assembly 20. Furthermore, by the two-sided baffle 70 cooperating with the arrow-shaped shutter 21, it is ensured that the fluid cut by the shutter 21 is then guided by the two-sided baffle 70 to be converged and pushed against the blade 112 of the impeller 11, but the side baffle 70 is not necessarily required.
Referring to fig. 9, the second embodiment of the present invention has a substantially same structure as the first embodiment, except that the shielding assembly 20A includes two shielding members 21A. In the fluid direction D1, the two shielding pieces 21A shield the axial centers of the shaft portions 111A of the two impellers 11A, respectively, and shield the blade portions 112A located on the sides where the shaft portions 111A are away from each other, that is, the fluid passes between the two impellers 11A in the second embodiment. Further, in the second embodiment, each of the shielding members 21A has a concentration guide portion, and the concentration guide portions of the two shielding members 21A collectively concentrate and guide the fluid flowing toward the shielding assembly 20A to the two impellers 11A. Specifically, the concentration guiding portion is a guiding inclined surface 211A in the second embodiment, and the normal directions N2 of the guiding inclined surfaces 211A of the two shutters 21A are opposite to the fluid direction D1 and approach each other. Therefore, the two shielding members 21A can concentrate the fluid with a larger cross-sectional area to flow between the two impellers 11A by using the guiding inclined surface 211A, so that the flow velocity of the fluid between the two impellers 11A can be increased, and the power generation efficiency can be further improved, but the specific form of the concentration guiding portion is not limited by the guiding inclined surface 211A, and can also be an arc surface with an arc concave or an arc convex, as long as the two shielding members 21A can concentrate the fluid. In other embodiments, the two shielding members 21A may be only flat plates perpendicular to the fluid direction D1, as shown in fig. 10.
In both embodiments of the present invention, the kinetic energy of the fluid can be completely received without partial outflow of the fluid, so as to improve the efficiency of energy conversion. Precisely, in the first exemplary embodiment, the fluid is guided by the partial flow of the shutter 21 and the constriction of the side baffle 70 so that it flows reliably through the impeller 11; in the second embodiment, the two shutters 21A direct the fluid to pass through between the two impellers 11, so the present invention has high energy conversion efficiency.
The present invention is advantageous in that the shaft portion 111 of the impeller 11 and the vane portion 112 on one side thereof are shielded in the flow direction of the fluid by the shielding assembly 20, whereby a force is applied to only the vane portion 112 on one side thereof without generating a moment that cancels each other when the fluid passes, thereby improving the efficiency of energy conversion. Moreover, since the force of the fluid only acts on one of the blade portions 112, the blade portion 112 does not need to be specially designed, which can save the development and manufacturing costs. Furthermore, since the shaft portion 111 is shielded by the shielding member 20, the force of the fluid does not directly act on the shaft portion 111, and thus unnecessary stress on the shaft portion 111 can be avoided, thereby reducing the possibility of damage.
In addition, since the shielding assembly 20 shields the blade portions 112 located on the side where the two shaft portions 111 face each other, or shields the blade portions 112 located on the side where the two shaft portions 111 are away from each other, the two impellers 11 are rotated in opposite directions, and the overall structure of the present invention is symmetrical, so that the overall structure has an advantage of force balance.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. A fluid kinetic energy receiving device for a vertical shaft fluid power generator assembly is used for connecting a power generating device; the fluid kinetic energy receiving device comprises
A fluid direction;
an impeller assembly for connecting to the power generation device, and comprising
Two impellers; each of the impellers comprises
A shaft portion perpendicular to the fluid direction and having opposite sides in the fluid direction;
a plurality of blade parts which are arranged on the shaft part and are arranged at intervals in a surrounding way;
a shielding component; in the fluid direction, the shielding component shields the axes of the shaft parts of the two impellers, shields the blade part on one side of the shaft part, and does not shield the blade part on the other side of the shaft part; the shielding component shields the blade parts on the side where the two shaft rod parts face each other or shields the blade parts on the side where the two shaft rod parts are far away from each other, so that the two impellers rotate in opposite directions.
2. The fluid kinetic energy receiver for a vertical axis fluid power generator assembly of claim 1, wherein the fluid kinetic energy receiver comprises
A fixing frame which is fixedly arranged;
a rotating frame which can be rotatably arranged on the fixed frame; the impeller assembly and the shielding assembly are arranged on the rotating frame and rotate relative to the fixed frame along with the rotating frame; the fluid direction is perpendicular to the pivot of the fixed frame and the rotating frame, and the fluid direction rotates along with the rotating frame relative to the fixed frame.
3. The apparatus of claim 2, wherein the impeller assembly comprises an integrated output mechanism, the integrated output mechanism is connected to the shaft of the two impellers, and the rotation of the shaft of the two impellers is integrated and output to the power generation apparatus as a single output shaft, and the single output shaft is coaxial with the fixed frame and the rotating frame.
4. The fluid kinetic energy receiver for a vertical axis fluid power generator assembly of claim 2, wherein the fluid kinetic energy receiver comprises
And the steering wheel set is arranged between the rotating frame and the power generation device and is used for reducing the friction force when the rotating frame rotates relative to the power generation device.
5. The device for receiving kinetic energy of fluid for a vertical axis fluid power generator assembly of any one of claims 1 to 4, wherein the shielding assembly comprises
A shielding member; in the fluid direction, the shielding member shields the axes of the shaft portions of the two impellers, and shields the blade portions located on the side where the two shaft portions face each other.
6. The fluid kinetic energy receiving device for the vertical axis fluid power generator assembly as claimed in claim 5, wherein the shielding member has a separating guide portion, the separating guide portion divides the fluid flowing toward the shielding member into two portions and guides the two portions to the two impellers, respectively.
7. The device of any one of claims 1 to 4, wherein the shielding assembly comprises a shielding member
Two shielding pieces; in the fluid direction, the two shielding pieces respectively shield the axes of the shaft rod parts of the two impellers, and the blade parts on the sides, far away from each other, of the shaft rod parts.
8. The fluid kinetic energy receiving device for the vertical axis fluid power generator assembly as claimed in claim 7, wherein each of the shielding members has a concentrating guide portion, and the concentrating guide portions of the two shielding members together concentrate and guide the fluid flowing toward the shielding member to the two impellers.
9. The fluid kinetic energy receiving device for the vertical axis fluid power generator assembly of any one of claims 1 to 4, wherein the fluid kinetic energy receiving device comprises
Two side baffles; the two impellers of the impeller assembly are positioned between the two side baffles, and the shaft rod parts of the two impellers are parallel to the two side baffles.
10. A vertical axis fluid power generator assembly comprising
A fluid direction;
a power generation device;
an impeller assembly connected to the power generation device and including
Two impellers; each of the impellers comprises
A shaft portion perpendicular to the fluid direction and having opposite sides in the fluid direction;
a plurality of blade parts which are arranged on the shaft part and are arranged at intervals in a surrounding way;
a shielding component; in the fluid direction, the shielding component shields the axes of the shaft parts of the two impellers, shields the blade part on one side of the shaft parts, and does not shield the blade part on the other side of the shaft parts; the shielding component shields the blade parts on the side where the two shaft parts face each other or shields the blade parts on the side where the two shaft parts are far away from each other, so that the two impellers rotate in opposite directions.
CN202110453261.9A 2021-04-26 2021-04-26 Vertical shaft fluid generator assembly and fluid kinetic energy receiving device thereof Pending CN115247624A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110453261.9A CN115247624A (en) 2021-04-26 2021-04-26 Vertical shaft fluid generator assembly and fluid kinetic energy receiving device thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110453261.9A CN115247624A (en) 2021-04-26 2021-04-26 Vertical shaft fluid generator assembly and fluid kinetic energy receiving device thereof

Publications (1)

Publication Number Publication Date
CN115247624A true CN115247624A (en) 2022-10-28

Family

ID=83695867

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110453261.9A Pending CN115247624A (en) 2021-04-26 2021-04-26 Vertical shaft fluid generator assembly and fluid kinetic energy receiving device thereof

Country Status (1)

Country Link
CN (1) CN115247624A (en)

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