CN114517762A - Flow-collecting type ocean current energy water turbine device - Google Patents
Flow-collecting type ocean current energy water turbine device Download PDFInfo
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- CN114517762A CN114517762A CN202111632547.XA CN202111632547A CN114517762A CN 114517762 A CN114517762 A CN 114517762A CN 202111632547 A CN202111632547 A CN 202111632547A CN 114517762 A CN114517762 A CN 114517762A
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- guide
- blade
- support
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- guide cover
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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
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B17/00—Other machines or engines
- F03B17/06—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head"
- F03B17/062—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head" with rotation axis substantially at right angle to flow direction
- F03B17/065—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head" with rotation axis substantially at right angle to flow direction the flow engaging parts having a cyclic movement relative to the rotor during its rotation
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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
- 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
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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
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- 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
- Y02E10/20—Hydro energy
Abstract
The invention discloses a current-collecting type ocean current energy water turbine device, which comprises a helical blade and a flow guide cover sleeved on the outer ring of the helical blade, wherein a rotating shaft is arranged in the middle of the helical blade, two ends of the rotating shaft are respectively provided with a flow guide cover bracket, and one of the flow guide cover brackets is of a hollow structure; the spiral blade is sleeved with the guide cover, the axis of the guide cover is parallel to the axis of the spiral blade, a blade structure capable of swinging along with water flow is arranged on the guide cover, an inward opening is formed in one side of the guide cover, the opening of the guide cover is reduced in the other side of the guide cover, so that the water flow enters the guide cover in a direction perpendicular to the spiral blade, and under the action of the blades on the guide cover, the water flow moves along the axis of the spiral blade to form pressure difference in the direction of a central shaft of the spiral blade, so that the spiral blade is forced to rotate, and energy conversion is realized. The external guide support forms a stable cage structure while realizing the effect of forming pressure difference, and increases the integral rigidity and strength of the turbine.
Description
Technical Field
The invention belongs to a sea energy power generation device, and particularly relates to a flow-collecting type ocean current energy water turbine device.
Background
With the development of society and the progress of science and technology, the position of the ocean occupying more than 70% of the area of the world is more and more important. In the big background of ocean development tightened in various countries, one can say who controls the ocean and who controls future development. At present, the detection of the ocean depends on different types of detectors, a stable underwater power supply device is particularly important, and in each component of the underwater power supply device, a water turbine which can convert energy forms such as ocean current energy or wave energy and the like into mechanical energy is particularly important. Such a wheel tends to require better self-starting performance to take advantage of the lower flow rates under water. It is shown in the published literature that blowing the sea surface by wind can only cause 500 meters of sea water to flow, but there are studies that show that wind energy is transferred to deep sea areas as deep as about 1000 meters by some kind of 'relay baton' like substance, becoming mechanical energy that generates deep ocean current motion. According to the existing observation data, the maximum flow velocity of most water areas is 2m/s when the water depth is less than 200m, the maximum flow velocity at 1000m is only 0.5m/s, and the average flow velocity is far less than the value. Many electric equipment of seabed monitoring platform are in below 500m, and present hydraulic turbine is in low velocity of flow rivers, can't effectively realize the self-starting, can't improve the effective utilization of low velocity of flow energy, so develop a hydraulic turbine that has good self-starting performance's extremely necessary.
Disclosure of Invention
The invention aims to provide a flow-collecting type ocean current energy water turbine device to overcome the defects of the prior art.
A flow-collecting type ocean current energy water turbine device comprises a helical blade and a flow guide cover sleeved on the outer ring of the helical blade, wherein a rotating shaft is arranged in the middle of the helical blade, two ends of the rotating shaft are respectively provided with a flow guide cover bracket, and one of the flow guide cover brackets is of a hollow structure; the guide cover comprises a guide support and guide vanes fixed on the guide support, the guide support is arranged along the circumferential array of the outer ring of the spiral vanes, two ends of the guide support are respectively connected with the guide cover supports at two ends of the rotating shaft, the included angle between the plane where the guide support is located and the circumferential tangent line of the outer ring of the spiral vanes is smaller than 90 degrees, and one end of the rotating shaft of the spiral vanes is connected with a motor driving shaft.
Further, the spiral blade adopts an Archimedes spiral blade.
Furthermore, the guide vanes on the guide support are flexible vanes or rigid vanes.
Further, a rigid blade structure is adopted, the guide support and the rigid blade are of an integral structure, the guide support is circumferentially arrayed on the outer ring of the spiral blade, the guide support is rotatably connected with the guide cover supports at two ends of the guide support, the guide support can rotate relative to the guide cover supports, the guide cover supports are provided with limiting blocks, and when the guide support is in contact with the limiting blocks, the plane where the guide support is located and the included angle a between the guide support and the connecting line of the guide support rotating shaft and the spiral blade are larger than 0.
Furthermore, two adjacent guide supports are partially overlapped.
Furthermore, the distance between the two adjacent diversion brackets is greater than the width of the diversion bracket, a plurality of limiting blocks are arranged on the diversion cover bracket, and two sides of each diversion bracket are respectively provided with a limiting block used for limiting the swing angle of the diversion bracket.
Furthermore, the distance between two adjacent guide supports in rotating installation is equal to the width of the guide support, a plurality of limiting blocks are arranged on the guide cover support, and each guide support is correspondingly provided with two limiting blocks which are respectively arranged on two sides of the guide support.
Further, when the guide support rotates inwards to the maximum position, the included angle between the plane where the guide support is located and the radial direction of the spiral blade is 45 degrees, and the included angle between the radial direction of the spiral blade is a connecting line of the guide support rotating shaft and the spiral blade axis.
Furthermore, a flexible blade structure is adopted, the flow guide support is of a rectangular structure, three edges of the flexible blade are fixedly connected with three edges of the flow guide support, one side of the flexible blade is provided with an opening, and the opening side of the flexible blade is opposite to and parallel to one side of a rotating shaft of the flow guide support.
Furthermore, two ends of a rotating shaft of the spiral blade are respectively rotatably connected with the air guide sleeve support through bearings, a fixing frame is arranged at the bottom of the other air guide sleeve support, and the lower end of the fixing frame is fixed on a riverbed or a seabed.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention relates to a current-collecting type ocean current energy water turbine device which comprises a helical blade and a flow guide cover sleeved on the outer ring of the helical blade, wherein a rotating shaft is arranged in the middle of the helical blade, two ends of the rotating shaft are respectively provided with a flow guide cover support, and one of the flow guide cover supports is of a hollow structure; the spiral blade is sleeved with the guide cover, the axis of the guide cover is parallel to the axis of the spiral blade, a blade structure capable of swinging along with water flow is arranged on the guide cover, an inward opening is formed in one side of the guide cover, the opening of the guide cover is reduced in the other side of the guide cover, so that the water flow enters the guide cover in a direction perpendicular to the spiral blade, and under the action of the blades on the guide cover, the water flow moves along the axis of the spiral blade to form pressure difference in the direction of a central shaft of the spiral blade, so that the spiral blade is forced to rotate, and energy conversion is realized. The external guide support forms a stable cage structure while realizing the function of forming pressure difference, and the rigidity and the strength of the whole turbine are improved.
Furthermore, the guide cover is sleeved on the spiral blade, the axis of the guide cover is parallel to the axis of the spiral blade to form a larger speed inlet parallel to the central axis of the Archimedes spiral line, and a speed outlet parallel to the central axis of the Archimedes is sealed to form a pressure difference parallel to the central axis of the Archimedes.
Furthermore, the structure of the rigid blade is adopted, the structure is simple, the swing angle is large, large inlet flow velocity is provided, large pressure difference is generated, and therefore the utilization rate is effectively improved.
Furthermore, the flexible blade structure is adopted, the installation is simple, the swing amplitude is small, the flexible blade structure is suitable for a small-flow-velocity watershed, and the energy conversion of water flow is effectively realized.
Drawings
Fig. 1 is a schematic view of a three-dimensional structure for mounting flexible blades of a water turbine device in an embodiment of the invention.
Fig. 2 is a front view of the water turbine device in the embodiment of the invention, wherein rigid blades of the water turbine device are arranged at intervals.
Fig. 3 is a front view of the mounting position of the rigid blades of the water turbine device in the embodiment of the invention.
Fig. 4 is a front view of the mounting position of the rigid blades of the water turbine device in the embodiment of the invention.
FIG. 5 is a schematic diagram of a flexible blade according to an embodiment of the present invention.
FIG. 6 is a schematic view of the flexible blade mounted water flow direction in an embodiment of the invention.
FIG. 7 is a schematic view of a rigid blade mounting assembly according to an embodiment of the present invention.
In the figure, 1, a helical blade; 2. a rotating shaft; 3. a pod support; 4. a flow guide bracket; 5. a guide vane; 6. a limiting block; 7. a flexible blade; 8. a bearing; 9. a fixed mount; 10. is connected with the rotating shaft.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The invention is described in further detail below with reference to the accompanying drawings:
as shown in fig. 1, a current-collecting ocean current energy water turbine device adopts a flow guide cover sleeved on a spiral blade, the axis of the flow guide cover is parallel to the axis of the spiral blade, a blade structure capable of swinging along with water flow is arranged on the flow guide cover, an inward opening is formed on one side of the flow guide cover, the opening of the flow guide cover is reduced on the other side of the flow guide cover, so that the water flow enters the flow guide cover in a direction perpendicular to the spiral blade, under the action of the blade on the flow guide cover, the water flow moves along the axis of the spiral blade, a pressure difference is formed in the direction of a central shaft of the spiral blade, and the spiral blade is forced to rotate, thereby realizing energy conversion. The external guide support forms a stable cage structure while realizing the function of forming pressure difference, and the rigidity and the strength of the whole turbine are improved.
Specifically, as shown in fig. 1, the collecting type ocean current energy water turbine device comprises a helical blade 1 and a flow guide cover sleeved on an outer ring of the helical blade 1, a rotating shaft 2 is arranged in the middle of the helical blade 1, two ends of the rotating shaft 2 are respectively provided with a flow guide cover bracket 3, and one flow guide cover bracket 3 is of a hollow structure; the guide cover comprises a guide support 4 and guide vanes 5 fixed on the guide support, the guide support 4 is circumferentially arrayed along the outer ring of the helical vanes 1, two ends of the guide support 4 are respectively connected with the guide cover supports 3 at two ends of the rotating shaft 2, and the included angle between the plane where the guide support 4 is located and the tangent line of the circumference of the outer ring of the helical vanes 1 is smaller than 90 degrees. In the kuppe was located to helical blade 1 cover, in the cavity in the kuppe, utilized the guide vane on the guide support 4 radially to introduce the cavity in, the guide vane aperture of simultaneously different surveys in same flow direction is different to form the pressure differential, rivers force helical blade 1 to rotate along helical blade 1 axial flow, and the drive shaft is connected to helical blade 1's one end, and drive power generation facility generates electricity, provides power.
The guide vanes 5 on the guide bracket 4 adopt flexible vanes or rigid vanes; the spiral blade 1 adopts an Archimedes spiral blade, and the rotating shaft of the spiral blade adopts an Archimedes rotor middle shaft.
As shown in fig. 2 and 7, a rigid blade structure is adopted, a guide support 4 and a rigid blade 5 are integrated, the guide support 4 is circumferentially arrayed on the outer ring of a spiral blade 1, the guide support 4 is rotatably connected with guide cover supports 3 at two ends of the guide support, the guide support 4 can rotate relative to the guide cover supports 3, a limiting block 6 is arranged on the guide cover supports 3, when the guide support 4 is contacted with the limiting block 6, an included angle a between the plane where the guide support 4 is located and the connecting line (namely the radial direction of the spiral blade 1) between the rotating shaft of the guide support 4 and the spiral blade 1 is larger than 0 degree, the guide support 4 can return reversely under the action of water flow, and the guide support 4 is prevented from being excessively rotated and clamped; according to the array density of the guide supports 4 and the width of the guide supports 4, three overlapping position relations exist between every two adjacent guide supports 4;
the first is a lap joint position relationship, two adjacent guide supports 4 are partially overlapped, that is, the distance between the rotary shafts of the two adjacent guide supports 4 and the surface of the spiral blade 1 is smaller than the width (length along the circumferential direction) of the guide supports 4, as shown in fig. 3, the distance between the rotary shafts of the guide supports 4 and the surface of the spiral blade 1 is larger than the width of the guide supports 4, under the action of water flow, as shown by arrows in fig. 3, the guide supports 4 can rotate to the maximum inward position as shown by dotted lines in fig. 3, and the surface of the guide support 4 on the other side of the circumference is reversely rotated to be in contact with the inner side of the adjacent guide support, so that a closed surface is formed on the surface. At this moment under the effect of water conservancy diversion support, rivers flow in from one side, and support one at helical blade 1 both ends sets up hollow out construction, and the opposite side is enclosed construction, and rivers flow out from the hollow out construction direction along the helical blade axial to helical blade 1 place space in setting up in the kuppe forms the pressure differential, has formed a stable cage type structure, and the area that dams like this is far away than as the cross section of horizontal axis hydraulic turbine, thereby receives more energy, improves the generating efficiency.
Secondly, the position relationship is set at intervals as shown in fig. 2, the distance between two adjacent guide supports 4 which are rotatably installed is greater than the width (length along the circumferential direction) of the guide supports 4, a plurality of limiting blocks 6 are arranged on the guide cover support 3, each guide support 4 is correspondingly provided with two limiting blocks 6 which are respectively arranged at two sides of the guide support 4 and used for limiting the swing angle of the guide support 4, under the action of water flow, as shown by arrows in fig. 4, the guide support 4 can rotate to the maximum inward position as shown by solid lines in fig. 2, the guide support 4 at the right side of the circumference rotates inwards to be contacted with the limiting block at the inner side of the circumference, and the guide support 4 at the left side of the circumference rotates outwards to be contacted with the limiting block 6 at the outer side of the circumference; the rotation angle of the guide support 4 is set according to the actual length, the opening of the inward rotation angle is larger than the opening of the outward rotation position, namely the inlet water flow is larger than the outlet water flow on the other side, so that the water flow can axially move along the helical blade 1, and the pressure difference can be formed; when the guide support 4 rotates outwards to the maximum position, the connecting line of the center position of the guide support 4 and the axis of the helical blade 1 is vertical to the plane of the guide support 4; when the guide support 4 rotates inwards to the maximum position, the radial included angle between the plane where the guide support 4 is located and the helical blade 1 is 45 degrees, and the radial included angle of the helical blade 1 is a connecting line of the rotating shaft of the guide support 4 and the axis of the helical blade 1.
The third is that the splicing position relationship is shown in fig. 4, the distance of the rotational installation of two adjacent guide supports 4 is equal to the width of the guide support 4, a plurality of limiting blocks 6 are arranged on the guide cover support 3, and each guide support 4 is correspondingly provided with two limiting blocks 6 which are respectively arranged at two sides of the guide support 4 and used for limiting the swing angle of the guide support 4; when the diversion brackets 4 rotate outwards to the maximum position, the end parts of two adjacent diversion brackets 4 are contacted; when the guide support 4 rotates inwards to the maximum position, the radial included angle between the plane where the guide support 4 is located and the helical blade 1 is 45 degrees, and the radial included angle of the helical blade 1 is a connecting line of the rotating shaft of the guide support 4 and the axis of the helical blade 1.
The structure of the flexible blade is adopted, the structure of the flexible blade is shown in figure 5, the guide support 4 is a rectangular structure, three edges of the flexible blade 7 are fixedly connected with three edges of the guide support 4, one side of the flexible blade is provided with an opening, the opening side of the flexible blade is opposite to and parallel to one side of a rotating shaft of the guide support 4, and the flexible blade swings along the opening side under the action of water flow; one side of the guide support 4 is provided with a connecting rotating shaft 10 which is rotatably connected with the guide cover supports at the two ends of the guide support; a guide flow bracket 4 provided with flexible blades is arranged, and two ends of the guide flow bracket 4 are fixedly or rotatably connected with the guide flow cover bracket 3; when incoming flow enters the cavity of the guide flow support 4 from left to right, the flexible blade on the left swings inwards under the combined action of the flow field and the guide flow support 4, most of the fluid flows into the guide flow cover cavity from left to right, and the flexible blade on the right swings outwards under the combined action of the flow field and the guide flow support 4 to form a small outlet, so that most of the fluid can only pass through the guide flow cover support 3, and according to the law of conservation of angular momentum, the fluid starts to rotate when flowing into the cavity, a low-pressure vortex core is generated, and a vertical upward pressure gradient is formed.
When the fixed or rotary connection is adopted, the rotation angle b of the guide support 4 is that the guide support 4 rotates to form a radial angle with the helical blade 1, and at the moment, when the blade is acted by water flow flowing rightwards, as shown in fig. 6, the flexible blade on the guide support 4 on the right side is positioned at 4-1 at the moment, and the gap between the flexible blades adjacent to the flexible blade is minimum, that is, the guide support 4 rotates outwards to the maximum limit position at the moment; the flexible blade on the guide support 4 on the left side is located at the position 4-3 at the moment, and the gap between the adjacent flexible blades is the largest, namely the guide support 4 rotates inwards to the maximum limit position at the moment. The openings between the flexible blades on the left side are large, most of fluid flows into the air guide sleeve from left to right in the air guide sleeve in the figure 6, the openings between the flexible blades on the right side are minimum, most of fluid can only pass through the support hollowed out of the end part of the air guide sleeve, and according to the law of conservation of angular momentum, the fluid starts to rotate when flowing into the cavity, so that a low-pressure vortex core is generated, and a vertical upward pressure gradient is formed.
Similarly, when acted by water flowing leftwards, as shown in fig. 6, the flexible blade on the guide support 4 on the right side is located at 4-2 at this time, and the gap between the adjacent flexible blades is the largest, that is, the guide support 4 rotates inwards to the maximum limit position at this time; and the flexible blade on the guide support 4 on the left side is positioned at the position 4-4 at this time, and the gap between the adjacent flexible blades is minimum, namely, the guide support 4 rotates outwards to the maximum limit position at this time.
The guide supports 4 on the same water turbine device are arranged in the same direction and are in a circumferential array; the guide support 4 on the same guide support 4 can adopt different blade structures, and the flexible blades and the rigid blades are arranged in a circumferential interval array mode, or the flexible blades and the rigid blades are arranged in half-and-half mode, so that the guide support is suitable for different water flow areas, and the efficiency of large-flow-direction water flow is improved.
One side sets up hollow out construction's kuppe support 3 and adopts umbrella structure, can make the unobstructed flow of fluid to bearing structure is stable.
Two ends of a rotating shaft 2 of the spiral blade 1 are respectively and rotatably connected with the guide cover bracket 3 through bearings 8, so that the rotating friction force of the spiral blade 1 is reduced; the bottom of the other air guide sleeve support 3 is provided with a fixing frame 9, and the lower end of the fixing frame is fixed on a riverbed or a seabed.
The invention is sleeved on the spiral blade through the flow guide cover, the axis of the flow guide cover is parallel to the axis of the spiral blade to form a larger speed inlet parallel to the central axis of the Archimedes spiral line, and the speed outlet parallel to the central axis of the Archimedes is sealed to form a pressure difference parallel to the central axis of the Archimedes.
Although one embodiment of the present invention has been described in detail, the description is only a part of the embodiments of the present invention, and the scope of the present invention is not limited thereto. Non-inventive modifications, equivalents and variations of the embodiments of the invention herein disclosed may occur to persons skilled in the art and are to be included within the scope of the invention as defined by the appended claims.
Claims (10)
1. A flow-collecting type ocean current energy water turbine device is characterized by comprising a spiral blade (1) and a flow guide cover sleeved on the outer ring of the spiral blade (1), wherein a rotating shaft (2) is arranged in the middle of the spiral blade (1), two ends of the rotating shaft (2) are respectively provided with a flow guide cover support (3), and one flow guide cover support (3) is of a hollow structure; the guide cover comprises a guide support (4) and guide vanes (5) fixed on the guide support, the guide support (4) is arranged along the circumferential array of the outer ring of the spiral vane (1), the two ends of the guide support (4) are respectively connected with the guide cover supports (3) at the two ends of the rotating shaft (2), the included angle between the plane where the guide support (4) is located and the circumferential tangent line of the outer ring of the spiral vane (1) is smaller than 90 degrees, and one end of the rotating shaft (2) of the spiral vane (1) is connected with a motor driving shaft.
2. The manifold ocean current energy turbine apparatus according to claim 1 wherein the helical blades (1) are archimedes helical blades.
3. The collecting ocean current energy turbine apparatus according to claim 1, wherein the guide vanes (5) on the guide bracket (4) are flexible vanes or rigid vanes.
4. The current-collecting type ocean current energy turbine device according to claim 3, wherein a rigid blade structure is adopted, the guide support (4) and the rigid blade (5) are integrated into a whole, the guide support (4) is circumferentially arrayed on the outer ring of the spiral blade (1), the guide support (4) is rotatably connected with the guide cover supports (3) at two ends of the guide support, the guide support (4) can rotate relative to the guide cover supports (3), the guide cover supports (3) are provided with limit blocks (6), and when the guide support (4) is contacted with the limit blocks (6), an included angle a between the plane of the guide support (4) and a connecting line from a rotating shaft of the guide support (4) to the spiral blade (1) is larger than 0 degree.
5. A current-collecting ocean current energy turbine installation according to claim 4, wherein adjacent ones of the guide brackets (4) overlap partially.
6. The current-collecting type ocean current energy turbine device according to claim 4, wherein the distance of the rotational installation of two adjacent diversion brackets (4) is larger than the width of the diversion brackets (4), a plurality of limiting blocks (6) are arranged on the diversion cover bracket (3), and a limiting block (6) for limiting the swing angle of the diversion bracket (4) is respectively arranged on two sides of each diversion bracket (4).
7. The current-collecting type ocean current energy turbine device according to claim 4, wherein the distance of the rotational installation of two adjacent diversion brackets (4) is equal to the width of the diversion brackets (4), a plurality of limiting blocks (6) are arranged on the diversion cover bracket (3), and two limiting blocks (6) are correspondingly arranged on each diversion bracket (4) and are respectively arranged on two sides of the diversion brackets (4).
8. The collecting type ocean current energy turbine device according to claim 7, wherein when the guide support (4) rotates inwards to the maximum position, the radial included angle between the plane of the guide support (4) and the helical blade (1) is 45 degrees, and the radial included angle between the helical blade (1) is the connection line of the rotating shaft of the guide support (4) and the axis of the helical blade (1).
9. A current-collecting type ocean current energy turbine device according to claim 3, wherein a flexible blade structure is adopted, the guide bracket (4) is a rectangular structure, three sides of the flexible blade (7) are fixedly connected with three sides of the guide bracket (4), one side of the flexible blade is an opening, and the opening side is opposite to and parallel to one side of the rotating shaft of the guide bracket (4).
10. The collecting type ocean current energy turbine device according to claim 1, wherein both ends of the rotating shaft (2) of the spiral blade (1) are respectively and rotatably connected with the air guide sleeve support (3) through a bearing (8), the bottom of the other air guide sleeve support (3) is provided with a fixing frame (9), and the lower end of the fixing frame is fixed on a riverbed or a seabed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111632547.XA CN114517762B (en) | 2021-12-28 | 2021-12-28 | Current-collecting type ocean current energy water turbine device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111632547.XA CN114517762B (en) | 2021-12-28 | 2021-12-28 | Current-collecting type ocean current energy water turbine device |
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| CN114517762B CN114517762B (en) | 2022-12-09 |
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|---|---|---|---|---|
| US20120301297A1 (en) * | 2011-05-28 | 2012-11-29 | Marion Ludwick | Fluid turbine device for power generation |
| CN205677761U (en) * | 2016-06-01 | 2016-11-09 | 浙江长兴圣风环保科技有限公司 | A kind of windmill of wind-driven generator |
| CN109931214A (en) * | 2019-04-26 | 2019-06-25 | 东北大学 | A kind of flexibility swing type flow guiding type wind wheel machine |
| CN209892376U (en) * | 2019-05-27 | 2020-01-03 | 哈尔滨工程大学 | Fixed wave-current combined power generation device |
-
2021
- 2021-12-28 CN CN202111632547.XA patent/CN114517762B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120301297A1 (en) * | 2011-05-28 | 2012-11-29 | Marion Ludwick | Fluid turbine device for power generation |
| CN205677761U (en) * | 2016-06-01 | 2016-11-09 | 浙江长兴圣风环保科技有限公司 | A kind of windmill of wind-driven generator |
| CN109931214A (en) * | 2019-04-26 | 2019-06-25 | 东北大学 | A kind of flexibility swing type flow guiding type wind wheel machine |
| CN209892376U (en) * | 2019-05-27 | 2020-01-03 | 哈尔滨工程大学 | Fixed wave-current combined power generation device |
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