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WO2018196885A1 - Groupe électrogène à énergie houlomotrice, unité génératrice d'énergie houlomotrice et dispositif générateur d'énergie houlomotrice - Google Patents

Groupe électrogène à énergie houlomotrice, unité génératrice d'énergie houlomotrice et dispositif générateur d'énergie houlomotrice Download PDF

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Publication number
WO2018196885A1
WO2018196885A1 PCT/CN2018/092509 CN2018092509W WO2018196885A1 WO 2018196885 A1 WO2018196885 A1 WO 2018196885A1 CN 2018092509 W CN2018092509 W CN 2018092509W WO 2018196885 A1 WO2018196885 A1 WO 2018196885A1
Authority
WO
WIPO (PCT)
Prior art keywords
power generating
wave power
wave
floating body
generating unit
Prior art date
Application number
PCT/CN2018/092509
Other languages
English (en)
Chinese (zh)
Inventor
李广明
李一帆
李玉玺
Original Assignee
李广明
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 李广明 filed Critical 李广明
Publication of WO2018196885A1 publication Critical patent/WO2018196885A1/fr

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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
    • 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
    • F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
    • F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
    • F03B13/16—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem"
    • F03B13/18—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore
    • F03B13/1805—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom is hinged to the rem
    • F03B13/181—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom is hinged to the rem for limited rotation
    • F03B13/182—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom is hinged to the rem for limited rotation with a to-and-fro movement
    • 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
    • F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
    • F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
    • F03B13/16—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem"
    • F03B13/20—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" wherein both members, i.e. wom and rem are movable relative to the sea bed or shore
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
    • H02K7/1807—Rotary generators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/91—Mounting on supporting structures or systems on a stationary structure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/93—Mounting on supporting structures or systems on a structure floating on a liquid surface
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/95—Mounting on supporting structures or systems offshore
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2250/00—Geometry
    • F05B2250/40—Movement of component
    • F05B2250/44—Movement of component one element moving inside another one, e.g. wave-operated member (wom) moving inside another member (rem)
    • 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
    • Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient

Definitions

  • the invention relates to a wave generator set, a wave power generation unit and a wave power generation device.
  • the wave power generating unit of the present invention adopts the following technical solutions:
  • a wave power unit comprising a floating body capable of oscillating with waves under the push of waves, the floating body being provided with at least one power generating mechanism, the power generating mechanism comprising a swinging rod mounted on the floating body, the swinging rod The lower end of the swing rod is fixed with a weight, and the upper end of the swing rod is provided with an arc segment coaxial with the axis of the swing rod, and the power generating mechanism further comprises a rotary generator mounted on the floating body, the rotary generator The rotating shaft is coupled with the arc segment to enable the rotary generator to reciprocate along the arc segment and to drive the rotor of the rotary generator to generate electricity when the floating body is swung.
  • Solution 2 on the basis of the solution 1: the rotary generator achieves a transmission fit by engaging a gear mounted on the rotating shaft with a curved rack disposed on the curved segment.
  • an overrunning clutch is disposed between the rotating generator and the curved section.
  • the solution 4 is based on the scheme 3: a flywheel is connected to the rotating shaft of the rotating generator.
  • the floating body On the basis of the solution 1 or 2, the floating body is mounted with a closed casing, and the power generating mechanism is installed in the closed casing.
  • the floating body has a closed inner cavity, and the power generating mechanism is installed in the inner cavity of the floating body.
  • the shape of the floating body is a crescent shape.
  • the floating body is provided with a support rail corresponding to the swinging trajectory of the weight to provide support during the weight swing.
  • the weight is slidably engaged with the support rail during the swinging process, or the weight or the rail is provided with a rolling body for reducing friction at a position where the two are relatively matched, and the support rail supports the weight by the rolling body.
  • the support rail and the weight may be blocked in the direction of extension of the axis of rotation.
  • the weight is spherical and the support surface of the support rail is an annular curved surface adapted to the underside of the spherical weight.
  • a wave power generating device comprising a frame fixed relative to the land, the frame body being hingedly mounted with at least one wave power generating unit, the wave power generating unit including a floating body capable of swinging with waves under the push of waves, floating At least one power generating mechanism is disposed on the body, the power generating mechanism includes a swinging rod that is rotatably mounted on the floating body, and the lower end of the swinging rod is fixed with a weight, and the upper end of the swinging rod is disposed coaxially with the axis of the swinging rod.
  • An arcuate segment the power generating mechanism further comprising a rotating generator mounted on the floating body, the rotating shaft of the rotating generator is coupled with the arc segment to enable the rotating generator to follow an arc when the floating body is swung
  • the segment reciprocates and drives the rotor of the rotating generator to generate electricity.
  • Solution 2 on the basis of the solution 1: the rotary generator achieves a transmission fit by engaging a gear mounted on the rotating shaft with a curved rack disposed on the curved segment.
  • an overrunning clutch is disposed between the rotating generator and the curved section.
  • the solution 4 is based on the scheme 3: a flywheel is connected to the rotating shaft of the rotating generator.
  • the floating body On the basis of the solution 1 or 2, the floating body is mounted with a closed casing, and the power generating mechanism is installed in the closed casing.
  • the floating body has a closed inner cavity, and the power generating mechanism is installed in the inner cavity of the floating body.
  • the shape of the floating body is a crescent shape.
  • the floating body is provided with a support rail corresponding to the swinging trajectory of the weight to provide support during the weight swing.
  • the weight is slidably engaged with the support rail during the swinging process, or the weight or the rail is provided with a rolling body for reducing friction at a position where the two are relatively matched, and the support rail supports the weight by the rolling body.
  • the support rail and the weight may be blocked in the direction of extension of the axis of rotation.
  • the weight is spherical and the support surface of the support rail is an annular curved surface adapted to the underside of the spherical weight.
  • the frame body includes a base frame fixed on the land and a mounting bracket mounted on the base frame in a vertical direction, and the wave power generating unit is hingedly mounted on the mounting On the shelf.
  • the frame body comprises a floating pedestal floating on the water surface, the floating pedestal is connected with a pulling wire, and the other end of the wire is fixed relative to the land, and the wave power generating unit is hingedly mounted on On the floating pedestal.
  • One end of the cable is fixed to the sea floor by an anchor.
  • the floating pedestal includes a frame and a supporting floating body disposed on the frame, and the frame is provided with a mounting rod for the floating body to be hinged.
  • the frame is a flexible frame.
  • the floating base frame is provided with a limiting structure for limiting the swinging angle of the floating body of the wave power generating unit.
  • the limiting structure is a limiting beam that is oppositely disposed on opposite sides of the floating body.
  • the mounting rod is guided to move on the floating base frame in a vertical direction.
  • a limit rod for limiting the swing range of the floating body is disposed above or below the mounting rod.
  • a wave generator set comprising at least two interconnected wave power generating units, the wave power generating unit comprising a floating body capable of swinging with waves under the push of waves, the floating body being provided with at least one power generating mechanism, the power generating
  • the mechanism comprises a swinging rod mounted on the floating body, the lower end of the swinging rod is fixed with a weight, and the upper end of the swinging rod is provided with an arc segment coaxial with the axis of the swinging rod, and the power generating mechanism further comprises a rotating generator on the floating body, the rotating shaft of the rotating generator is coupled with the arc segment to enable the rotating generator to reciprocate along the arc segment and drive the rotor of the rotating generator to generate electricity when the floating body swings .
  • Solution 2 on the basis of the solution 1: the rotary generator achieves a transmission fit by engaging a gear mounted on the rotating shaft with a curved rack provided on the curved segment.
  • an overrunning clutch is disposed between the rotating generator and the curved section.
  • the solution 4 is based on the scheme 3: a flywheel is connected to the rotating shaft of the rotating generator.
  • the floating body On the basis of the solution 1 or 2, the floating body is mounted with a closed casing, and the power generating mechanism is installed in the closed casing.
  • the floating body has a closed inner cavity, and the power generating mechanism is installed in the inner cavity of the floating body.
  • the shape of the floating body is a crescent shape.
  • the floating body is provided with a support rail corresponding to the swinging trajectory of the weight to provide support during the weight swing.
  • the weight is slidably engaged with the support rail during the swinging process, or the weight or the rail is provided with a rolling body for reducing friction at a position where the two are relatively matched, and the support rail supports the weight by the rolling body.
  • the support rail and the weight may be blocked in the direction of extension of the axis of rotation.
  • the weight is spherical and the support surface of the support rail is an annular curved surface adapted to the underside of the spherical weight.
  • two adjacent wave power generating units are movably connected by a connecting member.
  • the connector is telescopic.
  • the connector is a spring.
  • the wave generator set further includes a pull wire whose one end is connected to the wave power generating unit and the other end is fixed to the land.
  • the cable is fixed to the sea floor by an anchor.
  • the two ends of the wave generator set are connected with a pull wire, and the pull wire is pulled from the front and rear directions respectively.
  • the wave power generating units are fixed in pairs in pairs, and the adjacent two pairs of wave power generating units are movably connected.
  • the wave power generating units are fixed in pairs by a connecting rod.
  • the utility model has the beneficial effects that the wave generator set and the wave power generating device of the invention are both provided with a wave power generating unit, and the wave power generating unit comprises a floating body, and the floating body is provided with a connecting structure for articulating connection with the pulling wire or the corresponding frame body, After the floating body is hingedly connected with the wire or the corresponding frame body, the floating body can be swung along the hinge axis thereof under the pushing of the wave, and the floating body is provided with at least one power generating mechanism, and the power generating mechanism comprises a swinging rod which is rotatably mounted on the floating body.
  • the lower end of the swinging rod is fixed with a weight
  • the upper end of the swinging rod is provided with an arc segment
  • the power generating mechanism further comprises a rotating generator mounted on the floating body, and the rotating shaft of the rotating generator is matched with the arc segment
  • the rotating generator can reciprocate along the arc segment and drive the rotor of the rotating generator to generate electricity, so that the wave energy can be converted into electric energy.
  • the wave power generating unit has simple structure, high conversion efficiency and low cost. .
  • Embodiment 1 is a schematic structural view of Embodiment 1 of a wave power generating device of the present invention
  • FIG. 2 is a schematic structural view of the wave power unit of FIG. 1;
  • FIG. 3 is a schematic structural view of the power generating mechanism of FIG. 2;
  • FIG. 4 is a schematic view showing the cooperation structure of the gear, the rotary generator and the flywheel in FIG. 1;
  • Figure 5 is a schematic structural view of a second embodiment of the wave power generating device of the present invention.
  • Figure 6 is a perspective view of Figure 5;
  • Figure 7 is a schematic structural view of a third embodiment of the wave power generating device of the present invention.
  • Figure 8 is a schematic structural view of a wave power generating unit in Embodiment 4 of the wave power generating device of the present invention.
  • Figure 9 is a schematic structural view of Embodiment 1 of a wave generator set of the present invention.
  • Figure 10 is a schematic structural view of Embodiment 2 of a wave generator set of the present invention.
  • FIG. 11 is a schematic structural view of a power generating mechanism in another embodiment
  • Figure 12 is a schematic view showing the cooperation of another weight and a track
  • Figure 13 is a P-direction view of Figure 12;
  • Figure 14 is a schematic view showing the cooperation of another weight and a track
  • Figure 15 is a schematic view showing the cooperation of another weight and a track
  • Figure 16 is a cross-sectional view taken along line M-M of Figure 15.
  • the wave power generating device includes a frame body 11 fixed to the coast, and the frame body 11 includes two pendulum rods vertically fixed on the land 1. And two horizontally disposed crossbars, two vertical rods are spaced apart, and the upper end of the crossbar is connected by a laterally disposed connecting rod to form a gantry frame.
  • the mounting bracket of the wave power generating unit 10 includes a laterally disposed mounting rod 12, and both ends of the mounting rod 12 are guided and moved in the vertical direction by the sliding ring 121 to be assembled on the two vertical rods, and the upper portion of the wave power generating unit 10 is hingedly mounted. On the mounting rod 12, the wave power generating unit 10 is swung around the mounting rod 12 by the pushing of the waves 6, thus providing power to the power generating mechanism 101 in the wave power generating unit 10.
  • the wave power unit 10 includes a floating body 13 of a crescent-shaped structure, and an upper portion of the floating body 13 is provided with a hinge hole for articulating with the mounting rod 12 near a central portion of the upper curved surface.
  • the inside of the floating body 13 is a closed cavity structure to prevent the power generation unit in the inner cavity of the floating body 13 from being corroded by seawater when the wave is impacted.
  • the power generating mechanism 101 is provided at a central portion of the floating body 13.
  • the power generating mechanism 101 includes a power generating mechanism housing 102 having a closed inner cavity, and the power generating mechanism housing 102 is a closed housing, and the power generating mechanism The other components of the 101 are disposed in the enclosed power generating mechanism housing 102, which further improves the sealing performance of the power generating mechanism 101 and improves reliability.
  • the power generating mechanism 101 further includes a swinging bar 104.
  • the inner cavity of the power generating mechanism housing 102 is provided with a transversely disposed beam 103.
  • the swinging bar 104 and the beam 103 are arranged in a cross shape, and the intersection of the swinging bar and the beam 103 is rotated and supported by the rotating shaft.
  • the swing lever and the beam 103 can be relatively oscillated about the rotation axis.
  • the lower end of the swinging rod is fixed with a spherical weight 105.
  • the upper end of the swinging rod is provided with an arc-shaped section with the rotating shaft of the swinging rod as an axis, and the curved section is provided with a curved rack 106, and the upper part of the power generating mechanism housing 102
  • Two gears 107 are provided which are engaged with the curved rack 106.
  • the two gears 107 are mounted on the power generating mechanism housing 102 through the angularly mounted gear mounting bracket 108, and the two gears 107 are diametrically opposed to each other along the rotating shaft of the swinging rod.
  • the two gears 107 are rotated by the curved rack 106.
  • the rotating shaft of the gear 107 is connected to the rotating generator 1091 and the flywheel 109.
  • the rotating generator 1091 and the flywheel 109 are respectively installed at two ends of the rotating shaft, and an overrunning clutch is further disposed between the gear 107 and the rotating shaft, so that the gear 107 is It can only drive the rotating shaft to rotate in one direction.
  • the overrunning clutch idles. Under the inertial force of the flying wheel 109, the rotating shaft continues to drive the rotating generator to generate electricity.
  • an arcuate support track supporting the weight may be provided in the float, as shown in Figures 12-16, respectively, in which several different support track arrangements are shown.
  • the weight 105 is slidably engaged with the support rail 1050 during the swinging process.
  • the weight or the rail is provided at a position where the two are relatively matched to reduce friction.
  • the rolling body supports the weight by the rolling elements.
  • the swing lever of the present invention is rotatably mounted in the floating body about a constant axis of rotation, as seen in Fig. 111, the swing link 104 is rotated about an axis perpendicular to the beam 103, preferably as shown in Figs. 12-13, 15-16.
  • the support rails 1050 and the weights 105 are blocked in the direction of extension of the axis of rotation.
  • the weight 105 is spherical
  • the support surface of the support rail 1050 is an annular curved surface that fits the lower side of the spherical weight, through the axis of rotation between the annular curved surface and the spherical surface.
  • the weights 105 are block-shaped, and the limiting flanges 1051 are respectively disposed on both sides of the extending direction of the rotation axis, and the two sides of the limiting rails 1051 and the supporting rails 1050 are blocked. stop. In this way, the weight can only be restricted in the swinging direction by the supporting rail.
  • the supporting rail can restrict the weight from moving in other directions due to inertia, and avoid the impact of the swinging rod in other directions. Protect the function of the pendulum.
  • the power generating unit swings around the mounting rod under the pushing of the wave, and the swinging rod does not substantially rotate under the inertia of the weight 105 during the swinging process, and the floating body 13 rotates around the rotating shaft relative to the pendulum.
  • the rod swings, and the gear 107 rotates by the curved rack 106 during the swinging process, and the rotary generator generates electricity by the gear 107, and the current is led to the corresponding power grid through the corresponding wire.
  • the wave power generating apparatus includes a floating pedestal floating on the water surface and a floating body 13 hinged to the floating pedestal and capable of swinging along the hinge axis under the impact of the wave pushing 13
  • a floating wire 24 is attached to the floating base frame, and the wire 24 is fixed to the floating base frame relative to the sea floor or the land by the anchor 26 at the other end.
  • the floating base frame includes a frame 21 and a support floating body 23 provided on the frame 21, and the frame 21 is provided with a hinge beam 22, and the floating body 13 is hinged on the hinge beam 22.
  • the frame 21 on the floating base frame is a rectangular frame welded by a profile, and a hinge beam 22 is arranged in the middle of the rectangular frame.
  • the hinge beam 22 is arranged side by side with the front and rear side beams of the rectangular frame, and the front and rear side beams form a pair of floating
  • the limit beam of the body 13 limit can prevent the safety accident of the damage device caused by the overturning of the floating body 13 under heavy wind and waves.
  • the support floating body 23 is a cylindrical hollow case, four of which are respectively fixed at the four corners of the frame 21, and the longitudinal direction of the support floating body 23 extends vertically, so as to ensure that the frame 21 is not easily turned over and is more stable.
  • the floating body 13 is a crescent-shaped hollow shell which is low in the middle and high in both sides, and its lower intermediate position is hinged in the middle of the beam by the hinge shaft, and the axis of the hinge shaft is parallel to the axis of the beam to ensure that the floating body 13 swings in the front-rear direction. And is limited by the limit beam on the front and rear sides.
  • the floating body 13 is integrally sealed to seal the power generating mechanism 101 therein, and the power generating mechanism 101 is protected from water, dust, and impact.
  • the power generation mechanism has the same structure as that of the power generation mechanism in the first embodiment of the above-described wave power generation device, and will not be described again.
  • the four corners of the frame 21 are respectively connected with a pull wire 24, which is made of a steel cable or a steel wire rope, and has a tension spring 25 connected in series to provide the necessary amount of expansion and contraction when the water level changes and in the big wind and wave pair.
  • the frame 21 of the floating pedestal can be buffered and protected by the tension spring 25 when a large impact is caused, and the float 24 is further provided with a floating object for balancing the weight of the wire 24 to ensure that the weight of the wire 24 does not affect the floating body 13
  • the draught depth affects, that is, the lower gravity of the pull wire 24 itself is dragged to the sea bottom during the ebb tide, and the gravity applied to the floating pedestal is reduced due to the smaller gravity of the pull wire 24, thereby causing the floating body on the floating pedestal 13
  • the draught is shallower and the floating body 13 is not working properly.
  • the lower end of the pull wire 24 fixes the frame 21 relative to the land (sea bottom) by the anchor, and the anchor 26 is placed at a position such that the pull wire 24 can pull the floating base frame from the four directions corresponding to the diagonal lines of the rectangular frame respectively to facilitate floating.
  • the position of the pedestal is stable within a certain range of the sea surface, and there is no entanglement or twisting between the wires 24 due to the influence of the sea vortex.
  • the length of the pull wire 24 is at least greater than the height from the sea floor to the highest tidal level so that the floating pedestal will not sink into the water during high tide.
  • the installation of the device on the shore can be realized by pulling the wire on the fixed column on the shore.
  • the four anchors 26 are passed.
  • the four pull wires 24 respectively pull the frame 21 from four directions, and it is necessary to ensure that the floating pedestal is still above the water surface when the sea tide is high, and the wires and the rectifiers on the floating body hinged on the beam of the frame 21 are converted.
  • the receiver and other components can be connected to complete the installation; when generating electricity, the wave hits the floating body back and forth, so that the floating body swings back and forth around the hinge shaft, and drives the power generation mechanism to generate electricity.
  • the device fixes the floating base frame relative to the sea bottom through the cable 24,
  • the floating body is hinged on the frame 21, and the floating body can be freely and flexibly oscillated under the wave pushing, and the power generation efficiency is high.
  • the power generating device When the power generating device is located on the shore, the power generating device can also be limited by tying the cable to the mast on the shore. Of course, instead of providing a pull wire, the power can be generated by setting a limit buoy on the water surface. The device circle is in a certain area.
  • connection position between the pull wire and the power generating unit can be flexibly adjusted according to requirements.
  • the number of pull wires can also be adjusted as needed. Multiple pull wires and two pull wires can be set. Only one can be set when the pull wire strength is sufficient.
  • the position of the tension spring connected in series on the wire can be adjusted freely, and even the tension spring can be omitted.
  • the wire should be made of elastic material.
  • the present embodiment is different from the second embodiment in that the tension wire is not provided on the wire, but is directly connected to the anchor 26, and the power generating unit passes through the door.
  • the beam 32 is mounted on the frame body, and the door beam 32 includes a lifting portion 33 at the upper end and two vertically disposed vertical rods connecting the lifting portion and the lower portion.
  • the first rail 34 and the second rail 35 pass through each of the following years.
  • the vertical rods are connected together, and the power generating unit is hingedly mounted on the first cross bar 34. Both ends of the two cross bars are provided with a slip ring, and the two cross bars are guided by the sliding ring in the up and down direction to be assembled on the two vertical bars.
  • a lifting generator 36 is mounted on the hoisting portion 33.
  • a vertical rod connected to the second cross rod drives the lifting generator to assist power generation
  • the lifting generator can be a linear generator or
  • the piezoelectric material of the piezoelectric generator may be a piezoelectric ceramic or other piezoelectric material
  • the second cross bar constitutes a limit rod for preventing the floating body from generating an excessive turning angle, the limit rod or
  • the first crossbar may also be disposed under the floating body, and the first crossbar constitutes a mounting rod of the floating body, that is, a mounting bracket, and the rest is the same as that of Embodiment 2, and details are not described herein again.
  • the power generating unit in the wave power generating apparatus is different from that of the second embodiment in that the shape of the floating body is a ship shape, and the other parts are the same as those of the embodiment, and will not be described again.
  • two, three or other number of wave power generating units may be mounted on the frame of the wave power generating device; two or three holes may be disposed in the inner cavity of each wave power generating unit.
  • the floating body may not be closed, at this time, relying on the power generating mechanism housing to achieve its own closure; there may be no power generating mechanism housing, at which time the components of the power generating mechanism are directly installed in the closed body of the floating body In the cavity; the curved section on the upper end of the swinging bar may not be provided with an arc-shaped rack, and the gear is set as a friction wheel, and the transmission is matched by the frictional transmission of the outer peripheral surface of the curved section and the friction wheel; Clutch, when the floating body swings, the gear will rotate in the opposite direction, so that the rotating generator will generate different phases of current.
  • the corresponding electric device is set in the circuit of the generator, and the current is processed by the electric method so that Use, of course, if the generator circuit is directly connected to a purely resistive appliance such as a tungsten filament lamp, then no electricity is required.
  • the conversion can be used directly; the number of rotating generators can also be set to other quantities according to the volume of the floating body, such as one, three or four; the flywheel can also be placed between the rotating generator and the shaft of the gear;
  • the shape may also be a triangular pyramid, a spindle, or a rectangular parallelepiped shape having an upwardly angled structure at both ends; the floating body may be made of a hard material or a soft material.
  • the inside of the gas can be filled with gas, for example, it can be filled with other gases of low density such as helium.
  • the floating body When the floating body is not closed, it may be filled with materials such as foam in the middle; the length of the supporting floating body may not extend vertically, and the frame and the supporting floating body which can horizontally extend the floating base frame may be an integrated structure, that is, the frame is made floating.
  • the frame can also be made of soft steel wire rope.
  • the wire and the supporting floating body need to be tensioned from different directions.
  • the wire rope structure can have stronger resistance to wind and waves pulling impact;
  • the rigid frame is provided with a movable connecting piece or a soft connecting piece to realize the connection between the respective rods of the frame.
  • the structure not only has certain rigidity, but also has certain flexibility to improve the performance against wind and waves;
  • the hinged component can also be set On the side, above and other parts of the floating body;
  • the hinge parts can be used in various ways, such as bearings, collars, etc., the hinge points can be multiple;
  • the base frame can also be guided to move in the oblique direction;
  • the connecting piece can also be connected On other parts than the floating body;
  • the floating body can also be solid (lightweight material), shell-shaped, soft Shaped like structure.
  • the generator and the mechanism cooperated therewith may be disposed at the bottom of the floating body such that the center of gravity of the power generating unit is at its lower position, which enhances stability and makes the power generating unit less prone to tipping over the tumbler. .
  • the wave power generating set includes a plurality of wave power generating units 10, and the plurality of power generating unit supports are movably connected by a connecting member 41 of a soft connecting structure to make the wave power generating unit 10
  • the movement is more flexible.
  • the connecting member 41 is a spring, and the expansion and contraction of the spring meets the displacement requirement between the power generating units, and the buffering action provided by the elastic force of the spring realizes the pulling and impacting force between the power generating units. Buffer.
  • the connecting member 41 can also be replaced by a movable hinge member such as a hinge, a movable chain or a steel cable, or can be replaced by a telescopic soft body, a telescopic cylinder, etc., and the telescopic cylinder needs to be connected to the telescopic cylinder through an articulated manner to generate electricity.
  • a movable hinge member such as a hinge, a movable chain or a steel cable
  • a telescopic soft body such as a hinge, a movable chain or a steel cable
  • the telescopic cylinder needs to be connected to the telescopic cylinder through an articulated manner to generate electricity.
  • the circuits for generating power of each power generating unit can be connected in series or in parallel, and finally exported through electric wires. After the electric energy is processed by the rectifying device and the confluent device of the prior art, Subsequent utilization,
  • the power generating device is limited to the ground by four cables 24 connected at the beginning and the end and the anchor 26 at the end of the cable.
  • the front and rear ends of the wave power generating device have two wires and two wires.
  • the pull wires are pulled from the left and right directions respectively, and the pulling of the four directions of the front, rear, left and right directions not only makes the power generating device not easily rotate with the vortex, but also strengthens the overall traction strength of the pull wire.
  • the power generating device when the power generating device is located on the shore, the power generating device may be limited by tying the cable to the mast on the shore. Of course, the cable may not be provided, but the limit is set on the water surface.
  • the position of the buoy is to circle the power generating device in a certain area; the connection position between the pull wire and the power generating unit can be flexibly adjusted according to needs, and the number of the pulling wires can also be adjusted according to needs, and a plurality of pulling wires can be set to increase the connection strength of the pulling wire, or only Set one wire at each end, of course, only one can be set if the cable strength is sufficient.
  • a drawstring spring 25 is connected in series on the pull wire to act as a buffer and extend the pull wire.
  • the position of the cable spring connected in series on the wire can be freely adjusted, and even the cable spring can be omitted.
  • the wire should be made of elastic material. The length of the cable should not be less than the distance from the sea floor to the maximum rising tide surface to ensure that the length of the cable is high enough during high tide.
  • the wave power generating units 10 are fixedly connected together by the connecting rods 42 in pairs, and may of course be fixed together by other parts.
  • the two adjacent pairs of wave power generating units 10 are connected by a connecting member 41.
  • the connecting member 41 is a spring, and the expansion and contraction of the spring meets the displacement requirement between the power generating units, and the buffering effect provided by the elastic force of the spring is A buffer for pulling and impacting forces between power generating units is achieved.
  • the connecting member 41 can also be replaced with a movable hinge member such as a hinge, a movable chain, a steel cable, or the like, and can also be replaced with a telescopic soft body, a telescopic cylinder, etc., and the telescopic cylinder needs to be connected to the telescopic cylinder by an articulated manner.
  • the weight in the wave power generating unit in this embodiment is in the lower position during operation.
  • each wave power generating unit is movably connected, it is easy to flip over the sea surface when the wave swings, and the bottom of the floating body faces toward Therefore, the weight of the hammer cannot be oscillated, and the wave power unit 10 in this embodiment is fixed in pairs, and the angle of the wave power unit 10 with the wave can be limited to prevent the wave power unit from being turned over.
  • Embodiment 1 the same as Embodiment 1, and no further description is given.
  • a plurality of power generating units are connected in series or in parallel, and the connecting portion adopts a soft connection, and the generated electric energy of each power generating unit is processed by a rectifier or the like and then guided to the one end through a wire in parallel or in series.
  • Wires, which are exported with the wires; multiple power generation units are positioned on the shore by cables or by anchors and anchors at sea, and continue to generate electricity under the endless movement of waves; when the water level rises or the power generation device drifts with the waves, it will pull the wires. Pulling, because the length of the wire is set long and the spring is connected in series on the wire, it can have a certain buffering effect on the pulling force and improve the service life of the wire.
  • a speed increasing gear set may be disposed on the transmission path between the curved section and the rotating shaft of the rotary generator to increase the rotational speed of the rotating generator and increase the amount of power generation.
  • the wave power generating unit in the embodiment of the above-described wave power generating unit is the same as the wave power generating unit in the respective embodiments of the above-described wave power generating device, and will not be described again.
  • the wave power generating unit in the respective embodiments of the wave power generating unit of the wave power generating unit has the same structure and will not be described again.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

La présente invention concerne un groupe électrogène à énergie houlomotrice, une unité génératrice d'énergie houlomotrice et un dispositif générateur d'énergie houlomotrice. Le groupe électrogène à énergie houlomotrice et le dispositif générateur d'énergie houlomotrice sont chacun dotés d'une unité génératrice d'énergie houlomotrice. Un élément flottant de l'unité génératrice d'énergie houlomotrice est pourvu d'une structure de liaison qui permet une liaison articulée à des lignes de traction ou à un cadre correspondant, de sorte qu'une fois que l'élément flottant est relié aux lignes de traction ou au cadre correspondant, l'élément flottant puisse se balancer en va-et-vient sur l'axe d'articulation sous l'effet de la force des vagues ; l'élément flottant est pourvu d'au moins un mécanisme de génération d'énergie comprenant une tige de pendule agencée pivotante sur l'élément flottant, un poids relié à la tige de pendule, et une section en forme arquée disposée au niveau de l'extrémité supérieure de la tige de pendule, et est en outre pourvu d'un convertisseur de puissance de rotation disposé sur l'élément flottant ; la section en forme arquée est reliée à l'arbre rotatif du convertisseur de puissance de rotation de sorte à réaliser une transmission, de sorte que, lorsque l'élément flottant se balance, le convertisseur de puissance de rotation se déplace en va-et-vient le long de la section en forme arquée et entraîne en rotation le rotor du convertisseur de puissance de rotation, générant ainsi de l'énergie. De cette manière, l'énergie des vagues peut être convertie en énergie électrique. L'unité génératrice d'énergie houlomotrice présente une structure simple, un taux de conversion élevé et est peu coûteuse.
PCT/CN2018/092509 2017-04-28 2018-06-22 Groupe électrogène à énergie houlomotrice, unité génératrice d'énergie houlomotrice et dispositif générateur d'énergie houlomotrice WO2018196885A1 (fr)

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CN107725258B (zh) * 2017-04-28 2019-11-15 李广明 波浪发电单元、波浪发电装置及波浪发电机组
CN113217261B (zh) * 2021-04-09 2023-08-01 深圳技术大学 发电装置及海洋牧场
CN113915050B (zh) * 2021-09-30 2024-07-30 青岛科技大学 一种航行船舶利用波浪能的发电装置

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