WO2010150406A1 - Power generating device using flowing water - Google Patents

Power generating device using flowing water Download PDF

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Publication number
WO2010150406A1
WO2010150406A1 PCT/JP2009/061766 JP2009061766W WO2010150406A1 WO 2010150406 A1 WO2010150406 A1 WO 2010150406A1 JP 2009061766 W JP2009061766 W JP 2009061766W WO 2010150406 A1 WO2010150406 A1 WO 2010150406A1
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WO
WIPO (PCT)
Prior art keywords
base member
water
flowing water
frame
bucket
Prior art date
Application number
PCT/JP2009/061766
Other languages
French (fr)
Japanese (ja)
Inventor
明雄 竹内
Original Assignee
株式会社竹内製作所
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 株式会社竹内製作所 filed Critical 株式会社竹内製作所
Priority to PCT/JP2009/061766 priority Critical patent/WO2010150406A1/en
Publication of WO2010150406A1 publication Critical patent/WO2010150406A1/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
    • 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
    • F03B17/063—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 no movement relative to the rotor during its rotation
    • F03B17/064—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 no movement relative to the rotor during its rotation and a rotor of the endless-chain type
    • 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 present invention relates to a power generation apparatus using flowing water that converts kinetic energy of flowing water in rivers, oceans, and the like into electric power.
  • a power generator with a simple configuration that floats and moored in rivers and oceans and converts the kinetic energy of running water in rivers and oceans to electric power.
  • This type of power generation device floats the device by providing a float that provides the required buoyancy, supports a shaft equipped with sprocket wheels at the front and rear ends of the float, and winds a chain between the sprocket wheels.
  • the bucket includes a bucket for receiving flowing water and a generator that generates electric power as the sprocket wheel rotates. And in this power generator, water flow resistance is given to the above-mentioned bucket, the bucket is moved, the chain and the sprocket wheel are rotated with the movement, and electric power is generated in the generator by this rotation.
  • the bucket opening is widened to receive the power.
  • the bucket accepts more running water, improving the rotation speed of the sprocket wheel and increasing the power generated by the generator.
  • a power generation device that makes it possible to generate (see, for example, Patent Document 1).
  • the weight of the frame increases, it is necessary to increase the volume of the float that floats the frame.
  • the entire power generation apparatus becomes large, and there arises a problem that the power generation apparatus cannot be used in a narrow place (such as a narrow river or irrigation water).
  • a narrow place such as a narrow river or irrigation water.
  • this type of power generation device is desired to increase the amount of power generation as described above.
  • the present invention has been made in view of the above-described problems and problems, and an object of the present invention is to provide a power generation apparatus using flowing water capable of reducing the size of the apparatus and increasing the amount of power generation.
  • a power generation device using flowing water is a power generation device that is used by being immersed in flowing water such as a river or the ocean, and converts the kinetic energy of the flowing water into electric power.
  • a base member anchoring means for mooring the base member to the riverbed or the seabed
  • a vertical position adjusting means for adjusting the vertical position of the base member with respect to the base member anchoring means
  • the front and rear of the base member A pair of rotating members (for example, the sprocket wheel 20 in the embodiment) that are rotatably supported apart from each other and a winding member (for example, the chain 32 in the embodiment) wound between the pair of rotating members.
  • the running water receiving portion (for example, the bucket 60 in the embodiment) that is wound and moved between a pair of rotating members, and the rotating member that is rotated by being wound and moved between the pair of rotating members.
  • a running water receiving portion is composed of a first half attached to the outer periphery of the winding member and a second half attached to the first half, and the second half
  • the attachment position with respect to the first half can be expanded and contracted in a direction substantially perpendicular to the outer periphery of the circulating portion.
  • the base member mooring means is a support column extending in the vertical direction, and the vertical position adjusting means is attached to the support column and the base member, and the base member is used as the support column.
  • the jack is preferably moved up and down (for example, the electric jack 110 in the embodiment).
  • the base member mooring means is a support column extending in the vertical direction
  • the vertical position adjusting means is a wire whose one end is fixed to the upper part of the base member (for example,
  • the wire rope 212 in the embodiment may be configured by a winch (for example, the electric winch 210 in the embodiment) attached to the support and capable of feeding and winding the wire.
  • the vertical position adjusting means may be a float member (for example, the float 40 in the embodiment) made of a material attached to the base member and capable of floating in running water.
  • the flowing water receiving portion is constituted by the first half attached to the outer periphery of the winding member and the second half attached to the first half, and the second half. Since the attachment position of the first half is freely extendable and contracted in the direction perpendicular to the outer periphery, the area of the opening of the flowing water receiving portion can be made variable. Therefore, the area of the opening can be reduced in places where the flow rate is small, such as a river or ocean, and the area of the opening can be increased in places where the flow rate is high. Thus, the area of the opening can be adjusted according to the flow rate of the place where the apparatus is used.
  • the vertical position of the base member relative to the base member anchoring means can be adjusted.
  • the size can be reduced.
  • a float member is used as the vertical position adjusting means, it is possible to use something other than a support as the base member mooring means.
  • a rope whose end is fixed to the base member and a pile fixed to the land The device can be moored by a simple method in which the base member is fixed by winding the rope around the pile.
  • (A) is the schematic sectional drawing of the said electric power generating apparatus seen in the IV arrow direction in FIG. 1, (b) is a figure which showed only the flame
  • (A) is the elements on larger scale which expanded the periphery of the bucket of the said electric power generating apparatus and the bucket attached to a chain, (b) is an arrow line view when it sees from the B arrow direction of (a). . It is a perspective view which shows the chain of the said electric power generating apparatus. It is a figure which shows the bucket of the said electric power generating apparatus, (a) is a side view, (b) is AA sectional drawing in the figure of (a).
  • FIG. 1 It is a figure which shows the pantograph type electric jack used as the vertical position adjustment means in the said electric power generating apparatus, (a) is a figure which shows the positional relationship of a support
  • the power generation device 1 is a device that generates electric power in a generator by the hydropower of flowing water flowing in a river or the ocean, and stores the electric power in a capacitor.
  • the upstream direction in the flow is the forward direction
  • the downstream direction is the backward direction
  • the vertical direction on the paper surface in FIG. 1A (the direction perpendicular to the water surface). Is defined as the left-right direction.
  • the power generator 1 is provided with four sprocket wheels 20 arranged in a freely rotating manner at the left front, right front, left rear, and right rear, respectively, and the sprocket wheel 20 is rotated clockwise in the plane of FIG.
  • the generator 70 is configured to generate electric power.
  • the power generation device 1 includes a frame 10, a sprocket wheel 20, a conveyor 30, a float 40, a support 50, a bucket 60, a generator 70, a speed increaser 80, a capacitor 85, and the like. .
  • the frame 10 includes a U-shaped portion 11, a frame 12, a support member 17, and the like.
  • the U-shaped portion 11 extends in the front-rear direction and is provided to open upward in a U-shape so that running water is collected therein.
  • the power generator 1 When the power generator 1 is used in a shallow river or ocean, the lower portion of the U-shaped portion 11 can be placed on the riverbed or the seabed as shown in FIG. Further, as shown in FIG. 1A, the U-shaped portion 11 can be removed except when used in a shallow river or the like.
  • the power generation apparatus 1 can be used in rivers or oceans of a deep depth.
  • the frame 12 is made of an aluminum square pipe, and the shape when viewed from above is a rectangular frame.
  • Four support members 17 are provided on the outside of the columns 50 that are provided in total in each of the left front, right front, left rear, and right rear of the power generation device 1. Fixedly supported. Further, the height of the frame 12 is immersed in the water surface by a half of a float 40 to be described later, and the height of the upper end of the U-shaped portion 11 is slightly higher than the height of the upper end of the frame 12.
  • the frame 12, the support member 17, and the column 50 are supported by the frame 12 through the support member 17 by supporting the ball caster 19 provided on the frame 12 on the column 50. It has come to be. By being configured in this way, they can be moved up and down together.
  • the sprocket wheel 20 is supported by the frame 12 at both ends supported by a support means 23 and supported by a pair of front and rear rotating shafts 22 so as to be rotatable in the front-rear direction, and the left front, right front, left rear, and right rear inside the frame 12 are combined.
  • Four are provided.
  • the left front and right front sprocket wheels 20 are rotated by a front rotating shaft 22, and the left rear and right rear sprocket wheels 20 are rotated by a rear rotating shaft 22.
  • the height of the rotating shaft 22 is substantially coincident with the center of the height of the frame 12, with the upper half exposed in the air and the lower half immersed in water.
  • a dog-shaped guide plate 25 is attached in front of the sprocket wheel 20 on the rear side of the frame 12 so that the lower half of the guide plate 25 is immersed in water. It has become.
  • the guide plate 25 is provided in order to prevent grass and dust from getting tangled in the rear sprocket wheel 20, and the running water applied to the guide plate 25 travels along the lower surface of the guide plate 25 and moves to the rear side.
  • the sprocket wheel 20 is avoided to travel. In this way, by providing the guide plate 25 so that water does not flow into the rear sprocket wheel 20, it is possible to prevent grass, dust, and the like from getting caught in the sprocket wheel 20.
  • the float 40 is a floating body that contains air inside and can float on water. As shown in FIG. 3, the float 40 is attached to the outside of the frame 12 and the inside of the U-shaped portion 11 as viewed from above.
  • the vertical position of the entire apparatus can be made constant so that the height of 22 matches the height of the water surface. Therefore, even when the amount of water fluctuates, the power generator 1 is configured such that the frame 10 and the sprocket wheel 20 are supported by the buoyant force that the float 40 receives so that the height of the water surface and the height of the rotary shaft 22 substantially coincide with each other.
  • a conveyor 30 and the like, which will be described later, can move in the vertical direction.
  • the support column 50 is a so-called grooved steel having a groove-shaped opening on a side surface extending in the longitudinal direction (height direction).
  • the column 50 is provided to fix the entire apparatus to the riverbed or the seabed. At the time of use, the lower end is inserted into the riverbed or the seabed and fixedly supported.
  • a total of four struts 50 are provided between the support member 17 and the U-shaped portion 11.
  • the rotary shaft 22 is further provided with a sprocket wheel 26, and the sprocket wheel 26 is connected to a first sprocket wheel 82 of a speed increaser 80 described later via a chain 27.
  • the speed increaser 80 is wound around a shaft 81, first and second sprocket wheels 82 and 83 that are rotatably supported by the shaft 81, a second sprocket wheel 83, and a sprocket wheel 73 of a generator 70 described later.
  • a chain 84 The chain 27 is wound around the sprocket wheel 26 and the first sprocket wheel 82, and the shaft 81 can be rotated via the chain 27 as the rotary shaft 22 rotates.
  • the second sprocket wheel 83 rotates accordingly, and a sprocket wheel 73 described later can be rotated via the chain 84.
  • the generator 70 includes a generator shaft 72 and a sprocket wheel 73 as shown in FIGS. 1, 3, and 4, and a bearing (not shown) is provided inside the generator 70.
  • the outer ring is supported by the generator shaft 72 and is fixed to the generator 70 main body. Both ends of the generator shaft 72 are fixedly supported by bearings 79, and the sprocket wheel 73 is rotatably fixed to the side surface of the generator 70 by fixing means such as bolts.
  • the sprocket wheel 73 is connected to the rotary shaft 22 via the speed increaser 80 and the chain 27.
  • the diameters of the first and second sprocket wheels 82 and 83 of the speed increasing gear 80 are smaller than the diameter of the sprocket wheel 26, thereby rotating the sprocket wheel 73 at a speed higher than the rotational speed of the sprocket wheel 26. It is possible.
  • the battery 85 is provided at the side of the generator 70 and can store the electric power generated by the generator 70.
  • the power generator 70 and the battery 85 are mounted on the mounting surface of the first mounting table 77 fixed to the upper portion of the base 75, and the speed increaser 80 is similarly mounted on the base. It is mounted on the mounting surface of the second mounting table 78 fixed to the upper part of the table 75.
  • the base 75 is made of a lightweight member such as a hollow aluminum square pipe, and is fixedly supported on the upper surface of the frame 12 in a state of straddling in the left-right direction.
  • the first mounting table 77 and the second mounting table 78 are made of a lightweight member such as aluminum, and the mounting surface of the first mounting table 77 includes a generator 70, a capacitor 85, a first mounting surface, as shown in FIG. 2
  • the mounting surface of the mounting table 78 is slightly larger than the lower surface of the speed increaser 80, and has a minimum necessary area for mounting the generator 70, the capacitor 85, and the speed increaser 80, respectively. ing.
  • the conveyor 30 includes a bucket 60, a chain 32, a plate 33, a ball caster 34, and a guide rail 35.
  • the chain 32 is wound around the front sprocket wheel 20 and the rear sprocket wheel 20 so that the sprocket wheel 20 can be rotated as the chain 32 circulates.
  • the chain 32 has an upper half exposed in the air and a lower half immersed in water.
  • the lower half chain 32 immersed in water (hereinafter referred to as the lower chain 32) is located inside the U-shaped portion 11 and moves rearward together with the water flow, and the upper half chain 32 exposed to the air (hereinafter referred to as the lower chain 32).
  • the upper chain 32 is adapted to move forward.
  • the lower chain 32 moves to the rear end of the rear sprocket wheel 20, then turns upward along the outer periphery of the rear sprocket wheel 20, moves from the water to the air, and then moves forward.
  • the bucket 60 is supported on the outer periphery of the chain 32 by a plate 33 side by side in the circulating direction of the chain 32 at predetermined intervals. 4, 5, and 7, the bucket 60 has an opening 62, and the opening 62 of the bucket 60 provided below the chain 32 immersed in water is forward (upstream of the flow). Direction).
  • the running water is received by the bucket 60 provided in the lower chain 32 from the opening 62, and the bucket 60 moves in the direction in which the running water flows together with the chain 32 by the kinetic energy (impact force) of the running water.
  • the sprocket wheel 20 rotates about the rotation shaft 22.
  • a reverse rotation prevention mechanism 100 is provided.
  • the reverse rotation prevention mechanism 100 uses a so-called ratchet mechanism, and the first sprocket wheel 82 and the rotary shaft 22 are moved in one direction (clockwise in FIG. 1) by a claw portion (not shown) built in the ratchet mechanism. (Direction) only. Thereby, the bucket 60 immersed in the water can be prevented from moving in the opposite direction of the flow.
  • the bucket 60 is mounted on the upper surface of the plate 33 and is attached to the chain 32 and the sprocket wheel 20 via the plate 33.
  • the portions of the plate 33 adjacent to the left and right of the place where the bucket 60 is placed are bent downward, so that the strength of the plate 33 can be increased.
  • the chain 32 is provided with an attachment 32a for attaching the chain 32 to the plate 33 and the bucket 60, and penetrates the attachment 32a and the plate 33 as shown in FIG.
  • the bucket 60 is attached to the chain 32 wound around the sprocket wheel 20 via the plate 33 by providing a fixing means 39 including a bolt, a nut, and a washer in a hole (not shown) provided. Is possible.
  • the ball caster 34 includes a case 34 a, a ball 34 b, and attachment means 34 c and is provided on the left and right sides of the bucket 60 placed on the plate 33.
  • the guide rail 35 is fixed to the lower end of the frame 12 and extends in the front-rear direction. By bringing the ball 34 b into contact with the upper surface of the guide rail 35, the underwater bucket 60 can be moved. It can be moved smoothly along the guide rail 35.
  • the bucket 60 into which running water has flowed moves rearward together with the chain 32 due to its water flow resistance.
  • the bucket 60 moves rearward and reaches the position of the rear sprocket wheel 20, it moves upward along the circumference on the rear side of the sprocket wheel 20, and water flows from the bucket 60 when the opening 62 faces downward. Is discharged.
  • the bucket 60 that has discharged water rises into the air and then moves forward.
  • the front sprocket wheel 20 When the front sprocket wheel 20 is reached, it moves downward along the front circumference of the sprocket wheel 20 and is immersed in water with the opening 62 facing upward, and the opening 62 faces forward and again.
  • Running water flows into the bucket 60.
  • the bucket 60 continues to move together with the chain 32 due to the kinetic energy of the flowing water flowing into the opening 62, and continuously rotates the rotating shaft 22 and the generator 70, thereby continuously generating the generator 70. Can generate electricity.
  • the bucket 60 moves forward together with the upper chain 32, it moves in the air, so that it is possible to reduce loads such as movement resistance.
  • the bucket 60 in the present embodiment is configured such that the area of the opening 62 (water receiving area) is variable, and when the amount of water increases by making the area of the opening 62 variable, the area is increased.
  • the bucket 60 in the present embodiment is configured to include a first box body 66, a second box body 67, bolts 63, and nuts 64.
  • the second box 67 is sized so that the outer surface (side surface) of the second box 67 is in contact with the inner surface of the first box 66.
  • the first box 66 is provided with a hole 68 and the second box 67 is provided with a slit 65 extending in the vertical direction.
  • the bolt 63 is inserted into the hole 68 and the slit 65 and fixed with a nut 64. By doing so, the second box 67 can be attached to the first box 66.
  • the attachment position with respect to the 1st box 66 of the 2nd box 67 can be changed to an up-down direction, and Fig.7 (a) and (b) of FIG.
  • the area of the opening 62 of the bucket 60 can be changed by changing the vertical mounting position of the second box 67 with respect to the first box 66. Therefore, by increasing the area of the opening 62, the water receiving area of the bucket 60 increases and more electric power can be obtained.
  • the electric jack 110 includes a base 111, a pair of lower arms 113, a pair of upper arms 115, a connecting plate 117, a screw rod 118, and an electric motor. 119.
  • the control device has a built-in water level sensor (not shown), can detect the water depth by the water level sensor, and can control the operation of the electric jack 110 based on the detected water depth. It can be done (detailed later).
  • a pair of lower arms 113 is rotatably connected to the base 111 via pins 112, and a pair of upper arms 115 is rotatably connected to the connecting plate 117 via pins 116. It is connected.
  • the lower arm 113 and the upper arm 115 are rotatably connected through a connecting shaft 114 provided in a pair of left and right.
  • Each of the left and right connecting shafts 114 is provided with a female screw portion (not shown), and a screw rod 118 is screwed into the female screw portion. By rotating the screw rod 118, the distance between the pair of left and right connecting shafts 114 can be changed.
  • the connecting plate 117 By changing the distance of the connecting shaft 114, the connecting plate 117 can be moved up and down with respect to the base 111. 8A, the connecting plate 117 is supported on the angle member 122 by the fixing means 124, and the angle member 122 is supported on the support column 50 by the fixing means 123, and the lower end of the electric jack 110 is also supported. By supporting the base 111 on the upper surface of the frame 12, the electric jack 110 can be fixedly supported on the support column 50 and the frame 12.
  • the screw rod 118 can be rotationally driven by an electric motor 119, and the operation of the electric motor 119 can be controlled by a control device.
  • the water level is periodically detected by a water level sensor, and the control device controls the electric motor 119 based on the detected water depth. That is, when it is detected that the water amount has increased and the water depth has become deeper, the control device controls the electric motor 119 to bring the base 111 close to the connecting plate 117 and raise the frame 12 and the like upward.
  • the electric motor 119 is controlled to move the frame 12 downward by separating the base 111 from the connecting plate 117.
  • the control device can always move the frame 12 and the like up and down according to the water depth, so that the float 40 can be omitted from the power generation device 1 and the power generation device 1 can be downsized.
  • an electric winch 210 instead of the float 40 and the electric jack 110, an electric winch 210, a wire rope 212, a hook 215, and a control device (not shown) can be used.
  • the electric winch 210 is supported and provided by an angle member 222 that is fixedly supported on the support 50 by a fixing means (not shown).
  • the electric winch 210 has a drum (not shown), and the wire rope 212 is wound around the drum from a portion where one end of the wire rope 212 is fixed and fixed to the drum.
  • the electric winch 210 can rotate the drum and wind or unwind the wire rope 212. As described above, one end of the wire rope 212 is fixed to the drum, but the other end of the wire rope 212 is fixed to the hook 215.
  • the hook 215 is provided on the upper part of the frame 12.
  • the wire rope 212 is provided extending downward, and the frame 12 and the like are moved upward by being unwound while being supported by the hook 215 provided at the upper part of the frame 12. It can be moved.
  • the control device incorporates a water level sensor (not shown), can detect the water depth, and can control the operation of the electric winch 210 based on the detected water depth.
  • the water depth is periodically detected by the control device 220, and the control device controls the operation of the drum of the electric winch 210 based on the detected value. That is, when it is detected that the water depth has increased and the water depth has increased, the control device controls the electric winch 210 to raise the wire rope 212 upward and the frame 12 etc. upward, and the water depth has become shallower. When this is detected, the electric winch 210 is controlled to feed out the wire rope 212.
  • the control device can move the frame 12 and the like upward, so there is no need to provide the float 40 and the power generation device 1 is downsized. can do.
  • a screw-type electric jack 310 may be used instead of the pantograph-type electric jack 110 and the electric winch 210 described above.
  • the screw-type electric jack 310 includes a motor 311 and a screw shaft 312. When the motor 311 is rotated, the screw shaft 312 can be moved in the vertical direction along with the rotation. It can be done.
  • the upper end of the screw type electric jack 310 is supported on the angle member 322 by the fixing unit 324, and the angle member 322 is supported on the support column 50 by the fixing unit 323, and the lower end of the screw shaft 312 is framed by the fixing unit 315. 12, the screw type electric jack 310 can be fixedly supported to the support column 50 and the frame 12.
  • the frame 12 can be moved up and down with respect to the column 50, and the control device is the same as in the case where the electric jack 110 and the electric winch 210 are used.
  • the motor 311 to rotate according to the detected value of the water depth, the frame body 10 (frame 12) can be moved up and down in accordance with the increase or decrease in the amount of water.
  • the electric power generating apparatus 1 of embodiment mentioned above when flowing water, such as a river, increases or decreases, it is possible to move up and down according to the increase and decrease of the amount of water, and the opening of the bucket 60 Since the area (water receiving area) of the part 62 is variable, the area of the opening 62 may be reduced when the amount of water is low and the water level is low, and the area of the opening 62 may be increased when the amount of water is high and the water level is high. It becomes possible, and the kinetic energy of the flowing water increased by the increase in the amount of water can be reliably taken in.
  • the power generation device 1 using running water is not limited to the above-described embodiment, and can be appropriately improved without departing from the gist of the present invention.
  • the bucket may have a shape that widens from the bottom surface toward the opening to increase the water receiving area of the bucket.
  • a guide weir is provided near the front of the bucket 60 on the riverbed or seabed, and the flow velocity and the moving speed of the bucket 60 are increased by passing the guide weir through the running water, so that more kinetic energy can be extracted. May be.
  • the bucket 60 is configured by the first box body 66 and the second box body 67, and the vertical position of the second box body 67 with respect to the first box body 66 is determined by the mounting position of the bolt 63 and the nut 64.
  • the configuration that allows the area of the opening 62 to be changed is not limited to this.
  • a hydraulic cylinder is provided between the first box and the second box, and the hydraulic cylinder is automatically expanded and contracted according to the detected water depth, so that the opening 62 can be automatically expanded according to the detected water depth. The area may be changed.
  • pantograph type electric jack 110 the electric winch 210, or the screw type electric jack 310 is used instead of the float 40
  • type of the electric jack or the electric winch is the example described above.
  • Other types may be used without being limited to the above.
  • the support 50 has a protruding portion, and the frame 12 and the sprocket wheel 20 are about to descend below a predetermined position. You may make it provide the stopper mechanism which controls the said fall by the said protrusion part.
  • the frame 10 since the frame 10, the base 75, the 1st mounting base 77, the 2nd mounting base 78, etc. are comprised with lightweight members, such as aluminum, the weight of the whole apparatus is reduced. It is possible to do. Therefore, the size of the float 40 for levitating the device can be made smaller than before. Further, if the pantograph type electric jack 110, the electric winch 210, the screw type electric jack 310, or the like described above is provided, the float 40 can be omitted, and the entire apparatus can be further downsized. Yes. Therefore, the apparatus can be used even in a narrow place such as a creek, and the range of use can be expanded, and the cost for transportation and the like can be reduced.
  • Power generation device 10 Frame (base member) 20 Sprocket wheel (Rotating member) 32 Chain (winding member) 40 Float (up / down position adjustment means) 50 strut (base member mooring means) 60 bucket (running water receiving part) 66 First box (first half) 67 Second box (second half) 70 Generator 110 Electric jack (jack) 210 Electric winch (winch)

Abstract

A power generating device comprises a frame, a post for anchoring the frame thereto, a float for floating the frame on the surface of flowing water, a plurality of sprocket wheels rotatably supported on the frame in the direction generally parallel to the flow of the water, a generator for generating electric power by rotating the rotating shaft, chains spanned between the sprocket wheels, respectively, and buckets (60) each having an opening and so attached to the outer peripheries of the respective chains that the openings face in the direction opposite to the flow of the water when the buckets are immersed in the water.  The bucket (60) comprises a first box (66) and a second box (67) attached to the first box (66).  The power generating device is characterized in that the mounting position of the second box (67) on the first box (66) can be changed in the vertical direction.

Description

流水を用いた発電装置Power generation equipment using running water
　本発明は、河川や海洋等における流水の運動エネルギーを電力に変換する流水を用いた発電装置に関する。 The present invention relates to a power generation apparatus using flowing water that converts kinetic energy of flowing water in rivers, oceans, and the like into electric power.
　河川や海洋等に浮揚及び係留させ、河川や海洋における流水の運動エネルギーを電力に変換する簡易な構成の発電装置がある。この種の発電装置は、所要の浮力を付与するフロートを配して装置を浮揚させ、フロートの前後端部にスプロケットホイールを具備した軸をそれぞれ軸支し、当該スプロケットホイール間にチェーンを巻き掛け、このチェーンに流水を受容するためのバケット、及び上記スプロケットホイールの回転に伴い電力を発生させる発電機により構成されている。そして、この発電装置では上記バケットに水流抵抗を付与しバケットを移動させ、当該移動に伴いチェーン及びスプロケットホイールを回転させ、この回転により発電機に電力を発生させるようになっている。 There is a power generator with a simple configuration that floats and moored in rivers and oceans and converts the kinetic energy of running water in rivers and oceans to electric power. This type of power generation device floats the device by providing a float that provides the required buoyancy, supports a shaft equipped with sprocket wheels at the front and rear ends of the float, and winds a chain between the sprocket wheels. The bucket includes a bucket for receiving flowing water and a generator that generates electric power as the sprocket wheel rotates. And in this power generator, water flow resistance is given to the above-mentioned bucket, the bucket is moved, the chain and the sprocket wheel are rotated with the movement, and electric power is generated in the generator by this rotation.
　上記のような発電装置においては、一般的に他の発電装置と比較して得られる電力量が少ないことが課題となっており、この課題を解決するため、バケットの開口部を拡げてその受水面積を大きくしたり、流水中のバケットの前方付近にガイド堰を設けたりすることで、バケットにより多くの流水を受容させることにより、スプロケットホイールの回転速度を向上させ、発電機により多くの電力を発生させることを可能としている発電装置がある（例えば、特許文献１を参照）。 In the power generators as described above, it is generally a problem that the amount of electric power obtained is smaller than that of other power generators. To solve this problem, the bucket opening is widened to receive the power. By increasing the water area or providing a guide weir near the front of the bucket in running water, the bucket accepts more running water, improving the rotation speed of the sprocket wheel and increasing the power generated by the generator. There is a power generation device that makes it possible to generate (see, for example, Patent Document 1).
特許第３９４２１０３号公報Japanese Patent No. 3942103
　ところで、上述したような発電装置においては、発電機等を載置するため枠体の強度を上げる必要があるが、枠体として強度の高い材料を用いるとその重量が大きくなることがある。枠体の重量が大きくなると、枠体を浮揚させるフロートの体積を大きくする必要が生じる。このように、フロートの体積を大きくすると発電装置全体が大型化し、発電装置を狭い場所（幅が小さい河川や用水等）で利用できなくなるという問題が発生する。これに伴い、装置の運搬等も困難となりそれに関するコストが増大するという問題が生じ、また、この種の発電装置では上述したように発電量の増加が望まれているという課題もある。 By the way, in the power generation apparatus as described above, it is necessary to increase the strength of the frame in order to mount the generator or the like. However, if a material having high strength is used as the frame, the weight may increase. When the weight of the frame increases, it is necessary to increase the volume of the float that floats the frame. As described above, when the volume of the float is increased, the entire power generation apparatus becomes large, and there arises a problem that the power generation apparatus cannot be used in a narrow place (such as a narrow river or irrigation water). Along with this, there is a problem that the transportation of the device becomes difficult and the cost associated therewith increases, and there is also a problem that this type of power generation device is desired to increase the amount of power generation as described above.
　本発明は、上記のような問題及び課題に鑑みてなされたものであり、装置を小型化させるとともに、発電量の増加が可能な流水を用いた発電装置を提供することを目的とする。 The present invention has been made in view of the above-described problems and problems, and an object of the present invention is to provide a power generation apparatus using flowing water capable of reducing the size of the apparatus and increasing the amount of power generation.
　上記課題を解決するため、本発明に係る流水を用いた発電装置は、河川や海洋等の流水中に浸漬されて用いられ、流水の運動エネルギーを電力に変換する発電装置であって、ベース部材（例えば、実施形態における枠体１０）と、ベース部材を川底又は海底に係留するベース部材係留手段と、ベース部材のベース部材係留手段に対する上下位置を調節する上下位置調節手段と、ベース部材に前後に離れて回転自在に支持された一対の回転部材（例えば、実施形態におけるスプロケットホイール２０）及び一対の回転部材間に巻き掛けられた巻き掛け部材（例えば、実施形態におけるチェーン３２）から構成された巻き掛け伝動機構と、巻き掛け部材の外周に取り付けられ、流水中に浸漬されて用いられるときに流水を受容して巻き掛け部材を一対の回転部材間で巻き掛け移動させる流水受容部（例えば、実施形態におけるバケット６０）と、巻き掛け部材が一対の回転部材間で巻き掛け移動されることにより回転される回転部材により回転駆動されて電力を発生させる発電機とを備え、流水受容部は、巻き掛け部材の外周に取り付けられる第１半体と、第１半体に取り付けられる第２半体とにより構成され、第２半体の第１半体に対する取付位置が巡回部の外周に対して略垂直な方向に伸縮可能となっていることを特徴とする。 In order to solve the above problems, a power generation device using flowing water according to the present invention is a power generation device that is used by being immersed in flowing water such as a river or the ocean, and converts the kinetic energy of the flowing water into electric power. (For example, the frame 10 in the embodiment), a base member anchoring means for mooring the base member to the riverbed or the seabed, a vertical position adjusting means for adjusting the vertical position of the base member with respect to the base member anchoring means, and the front and rear of the base member A pair of rotating members (for example, the sprocket wheel 20 in the embodiment) that are rotatably supported apart from each other and a winding member (for example, the chain 32 in the embodiment) wound between the pair of rotating members. A winding transmission mechanism and a winding member that is attached to the outer periphery of the winding member and receives the flowing water when used by being immersed in running water. The running water receiving portion (for example, the bucket 60 in the embodiment) that is wound and moved between a pair of rotating members, and the rotating member that is rotated by being wound and moved between the pair of rotating members. And a running water receiving portion is composed of a first half attached to the outer periphery of the winding member and a second half attached to the first half, and the second half The attachment position with respect to the first half can be expanded and contracted in a direction substantially perpendicular to the outer periphery of the circulating portion.
　また、本発明に係る流水を用いた発電装置において、ベース部材係留手段は、上下方向に延びて設けられる支柱であり、上下位置調節手段は、支柱及びベース部材に取り付けられ、ベース部材を支柱に対して上下移動させるジャッキ（例えば、実施形態における電動ジャッキ１１０）であることが好ましい。 Further, in the power generation apparatus using flowing water according to the present invention, the base member mooring means is a support column extending in the vertical direction, and the vertical position adjusting means is attached to the support column and the base member, and the base member is used as the support column. The jack is preferably moved up and down (for example, the electric jack 110 in the embodiment).
　そして、本発明に係る流水を用いた発電装置において、ベース部材係留手段は、上下方向に延びて設けられる支柱であり、上下位置調節手段は、一端がベース部材の上部に固定されたワイヤ（例えば、実施形態におけるワイヤーロープ２１２）と、支柱に取り付けられワイヤの繰り出し及び巻き取りが可能なウインチ（例えば、実施形態における電動ウインチ２１０）とにより構成されるようにしてもよい。 In the power generator using running water according to the present invention, the base member mooring means is a support column extending in the vertical direction, and the vertical position adjusting means is a wire whose one end is fixed to the upper part of the base member (for example, The wire rope 212 in the embodiment may be configured by a winch (for example, the electric winch 210 in the embodiment) attached to the support and capable of feeding and winding the wire.
　さらに、上下位置調節手段が、ベース部材に取り付けられ、流水に浮遊可能な材料から成るフロート部材（例えば、実施形態におけるフロート４０）であってもよい。 Furthermore, the vertical position adjusting means may be a float member (for example, the float 40 in the embodiment) made of a material attached to the base member and capable of floating in running water.
　以上、本発明に係る発電装置においては、流水受容部が、巻き掛け部材の外周に取り付けられる第１半体と、第１半体に取り付けられる第２半体とにより構成され、第２半体の第１半体の取付位置が上記外周に対して垂直な方向に伸縮自在となっていることにより、流水受容部の開口部の面積を可変とすることができる。従って、河川または海洋等の流量が少ない場所等においては開口部の面積を小さく、また流量が多い場所においては開口部の面積を大きくすることもできる。このように、装置を使用する場所の流量等に応じて開口部の面積を調節することができる。 As described above, in the power generation device according to the present invention, the flowing water receiving portion is constituted by the first half attached to the outer periphery of the winding member and the second half attached to the first half, and the second half. Since the attachment position of the first half is freely extendable and contracted in the direction perpendicular to the outer periphery, the area of the opening of the flowing water receiving portion can be made variable. Therefore, the area of the opening can be reduced in places where the flow rate is small, such as a river or ocean, and the area of the opening can be increased in places where the flow rate is high. Thus, the area of the opening can be adjusted according to the flow rate of the place where the apparatus is used.
　そして、上下位置調節手段として、ジャッキ、またはワイヤもしくはウインチを用いることにより、ベース部材のベース部材係留手段に対する上下位置を調節できるようになるため、ベース部材にフロートを用いる必要がなくなり、装置全体を小型化させることができる。また、上下位置調節手段としてフロート部材を用いた場合は、ベース部材係留手段として支柱以外のものを用いることが可能となり、例えば、端部がベース部材に固定されたロープ及び陸上に固定させた杭を用いて、この杭に上記ロープを巻き付けることによりベース部材を固定させるような簡易な方法で装置を係留することができる。 By using a jack, a wire, or a winch as the vertical position adjusting means, the vertical position of the base member relative to the base member anchoring means can be adjusted. The size can be reduced. In addition, when a float member is used as the vertical position adjusting means, it is possible to use something other than a support as the base member mooring means. For example, a rope whose end is fixed to the base member and a pile fixed to the land The device can be moored by a simple method in which the base member is fixed by winding the rope around the pile.
本発明に係る流水を用いた発電装置の側面図であり、（ａ）は、支柱を川底又は海底に固定させて利用する状態、（ｂ）は、コの字部を設け（ａ）より水深が浅い河川又は海底で利用する状態を示した図である。BRIEF DESCRIPTION OF THE DRAWINGS It is a side view of the electric power generating apparatus using the flowing water which concerns on this invention, (a) is a state which fixes and uses a support | pillar to the riverbed or the seabed, (b) is a water depth from (a) which provides a U-shaped part. It is the figure which showed the state used on a shallow river or the seabed. 上記発電装置において、フレーム、支柱、及び支持部材の周辺を拡大して示した図であり、（ａ）はその斜視図、（ｂ）は、（ａ）のＡ矢視方向から見たときの矢視図である。In the said electric power generating apparatus, it is the figure which expanded and showed the periphery of a flame | frame, a support | pillar, and a supporting member, (a) is the perspective view, (b) is when it sees from the A arrow direction of (a). It is an arrow view. 上記発電装置の上面図である。It is a top view of the power generator. （ａ）は、図１中IV矢視方向に見た上記発電装置の概略断面図であり、（ｂ）は、フレームとガイドレールのみを示しこれらの位置関係を示した図である。(A) is the schematic sectional drawing of the said electric power generating apparatus seen in the IV arrow direction in FIG. 1, (b) is a figure which showed only the flame | frame and the guide rail, and showed these positional relationship. （ａ）は、上記発電装置のチェーン及びチェーンに取り付けられるバケットの周辺を拡大した部分拡大図であり、（ｂ）は、（ａ）のＢ矢視方向から見たときの矢視図である。(A) is the elements on larger scale which expanded the periphery of the bucket of the said electric power generating apparatus and the bucket attached to a chain, (b) is an arrow line view when it sees from the B arrow direction of (a). . 上記発電装置のチェーンを示す斜視図である。It is a perspective view which shows the chain of the said electric power generating apparatus. 上記発電装置のバケットを示す図であり、（ａ）は側面図、（ｂ）は（ａ）の図におけるＡ－Ａ断面図である。It is a figure which shows the bucket of the said electric power generating apparatus, (a) is a side view, (b) is AA sectional drawing in the figure of (a). 上記発電装置における上下位置調節手段として用いたパンタグラフ式の電動ジャッキを示す図であり、（ａ）は支柱とフレームとの位置関係を示す図、（ｂ）は上記電動ジャッキの構成を示す正面図である。It is a figure which shows the pantograph type electric jack used as the vertical position adjustment means in the said electric power generating apparatus, (a) is a figure which shows the positional relationship of a support | pillar and a frame, (b) is a front view which shows the structure of the said electric jack. It is. 上記発電装置における上下位置調節手段として用いた電動ウインチ及びワイヤーロープを示した図である。It is the figure which showed the electric winch and wire rope which were used as the vertical position adjustment means in the said electric power generating apparatus. 上記発電装置における上下位置調節手段として用いたスクリュー式電動ジャッキを示した図である。It is the figure which showed the screw type electric jack used as the vertical position adjustment means in the said electric power generating apparatus.
　以下で図面を参照しながら、本発明に係る発電装置１について説明する。本発明に係る発電装置１は、河川または海洋等を流れる流水の水力により発電機に電力を発生させ、蓄電器にその電力を蓄電させる装置である。以下の説明では、図１（ａ）の矢印に示すように、流れにおける上流方向を前方向、下流方向を後方向、図１（ａ）の紙面における上下方向（水面に対して垂直な方向）を上下方向、前後方向及び上下方向に垂直な方向を左右方向と定義する。発電装置１は、その左前、右前、左後、右後それぞれに４個のスプロケットホイール２０が回転自在に並べて設けられており、流水の水力によりスプロケットホイール２０を図１の紙面における時計回りに回転させ発電機７０に電力を発生させるように構成されている。発電装置１は、枠体１０と、スプロケットホイール２０と、コンベヤ３０と、フロート４０と、支柱５０と、バケット６０と、発電機７０と、増速機８０と、蓄電器８５等により構成されている。 Hereinafter, the power generation apparatus 1 according to the present invention will be described with reference to the drawings. The power generation device 1 according to the present invention is a device that generates electric power in a generator by the hydropower of flowing water flowing in a river or the ocean, and stores the electric power in a capacitor. In the following description, as shown by the arrows in FIG. 1A, the upstream direction in the flow is the forward direction, the downstream direction is the backward direction, and the vertical direction on the paper surface in FIG. 1A (the direction perpendicular to the water surface). Is defined as the left-right direction. The power generator 1 is provided with four sprocket wheels 20 arranged in a freely rotating manner at the left front, right front, left rear, and right rear, respectively, and the sprocket wheel 20 is rotated clockwise in the plane of FIG. The generator 70 is configured to generate electric power. The power generation device 1 includes a frame 10, a sprocket wheel 20, a conveyor 30, a float 40, a support 50, a bucket 60, a generator 70, a speed increaser 80, a capacitor 85, and the like. .
　枠体１０は、図１～４に示すように、コの字部１１と、フレーム１２と、支持部材１７等により構成される。コの字部１１は、前後方向に延びて上方にコの字形に開口して設けられ、その内部に流水が集められるようになっている。発電装置１を浅い河川や海洋等で用いるときには、図１（ｂ）に示すように、コの字部１１の下部を川底又は海底に載置できるようになっている。また、コの字部１１は、図１（ａ）に示すように、浅い河川等で用いるとき以外は外すこともできるようになっており、コの字部１１を適宜使用することにより、様々な深さの河川または海洋で発電装置１を使用することが可能になっている。 As shown in FIGS. 1 to 4, the frame 10 includes a U-shaped portion 11, a frame 12, a support member 17, and the like. The U-shaped portion 11 extends in the front-rear direction and is provided to open upward in a U-shape so that running water is collected therein. When the power generator 1 is used in a shallow river or ocean, the lower portion of the U-shaped portion 11 can be placed on the riverbed or the seabed as shown in FIG. Further, as shown in FIG. 1A, the U-shaped portion 11 can be removed except when used in a shallow river or the like. The power generation apparatus 1 can be used in rivers or oceans of a deep depth.
　フレーム１２は、アルミ製角パイプで構成されており、上方から見たときの形状が矩形枠状になっている。支持部材１７は、発電装置１の左前、右前、左後、右後それぞれに合計４本設けられている支柱５０の外側に４個設けられ、フレーム１２は、これらの支持部材１７により左右方向から固定支持されている。また、フレーム１２の高さは、後述するフロート４０により約半分水面に浸漬するようになっており、コの字部１１の上端の高さはフレーム１２の上端の高さより若干高くなっている。フレーム１２、支持部材１７、支柱５０は、図２に示すように、フレーム１２に設けられたボールキャスター１９を支柱５０に支持させることにより、支柱５０が、支持部材１７を介してフレーム１２に支持されるようになっている。このように構成されることにより、これらが一体となって上下移動させることができるようになっている。 The frame 12 is made of an aluminum square pipe, and the shape when viewed from above is a rectangular frame. Four support members 17 are provided on the outside of the columns 50 that are provided in total in each of the left front, right front, left rear, and right rear of the power generation device 1. Fixedly supported. Further, the height of the frame 12 is immersed in the water surface by a half of a float 40 to be described later, and the height of the upper end of the U-shaped portion 11 is slightly higher than the height of the upper end of the frame 12. As shown in FIG. 2, the frame 12, the support member 17, and the column 50 are supported by the frame 12 through the support member 17 by supporting the ball caster 19 provided on the frame 12 on the column 50. It has come to be. By being configured in this way, they can be moved up and down together.
　スプロケットホイール２０は、フレーム１２にその両端が支持手段２３により支持され前後一対に設けられる回転軸２２に前後方向に回転自在に支持され、フレーム１２の内側の左前、右前、左後、右後に合計４個設けられている。左前と右前のスプロケットホイール２０が前側の回転軸２２により回転し、左後と右後のスプロケットホイール２０が後側の回転軸２２により回転するようになっている。回転軸２２の高さは、フレーム１２の高さ中心と略一致するようになっており、その上半分が空気中に露出し下半分が水中に浸漬するようになっている。 The sprocket wheel 20 is supported by the frame 12 at both ends supported by a support means 23 and supported by a pair of front and rear rotating shafts 22 so as to be rotatable in the front-rear direction, and the left front, right front, left rear, and right rear inside the frame 12 are combined. Four are provided. The left front and right front sprocket wheels 20 are rotated by a front rotating shaft 22, and the left rear and right rear sprocket wheels 20 are rotated by a rear rotating shaft 22. The height of the rotating shaft 22 is substantially coincident with the center of the height of the frame 12, with the upper half exposed in the air and the lower half immersed in water.
　また、フレーム１２の後側のスプロケットホイール２０の前方には、図１に示すように、くの字形のガイド板２５が取り付けられており、このガイド板２５の下半分が水中に浸漬するようになっている。ガイド板２５は、後側のスプロケットホイール２０に草やゴミがからまることを防止するために設けられており、ガイド板２５に当てられた流水は、ガイド板２５の下面に沿って進行し後側のスプロケットホイール２０を避けて進行するようになっている。このように、ガイド板２５を設けて後側のスプロケットホイール２０に水が流れこまないようにすることにより、草やゴミ等がスプロケットホイール２０にからまることを防止することが可能となる。 Further, as shown in FIG. 1, a dog-shaped guide plate 25 is attached in front of the sprocket wheel 20 on the rear side of the frame 12 so that the lower half of the guide plate 25 is immersed in water. It has become. The guide plate 25 is provided in order to prevent grass and dust from getting tangled in the rear sprocket wheel 20, and the running water applied to the guide plate 25 travels along the lower surface of the guide plate 25 and moves to the rear side. The sprocket wheel 20 is avoided to travel. In this way, by providing the guide plate 25 so that water does not flow into the rear sprocket wheel 20, it is possible to prevent grass, dust, and the like from getting caught in the sprocket wheel 20.
　フロート４０は、空気を内部に含んで水に浮かぶことが可能な浮体であり、図３に示すように、上方から見てフレーム１２の外側及びコの字部１１の内側に取り付けられ、回転軸２２の高さが水面の高さと一致するように装置全体の上下位置を一定にすることができるようになっている。従って、水量が変動したときにおいても、発電装置１を、水面の高さと回転軸２２の高さが略一致するように、フロート４０が受ける浮力により支柱５０に対して枠体１０、スプロケットホイール２０、後述するコンベヤ３０等が上下方向に移動できるようになっている。支柱５０は、長手方向（高さ方向）に延びて設けられる側面に溝形の開口部を有するいわゆる溝形鋼であり、装置全体を川底又は海底に固定するために設けられ、発電装置１の使用時にはその下端が川底又は海底に挿入され固定支持される。支柱５０は、支持部材１７とコの字部１１の間に、合計４本設けられている。 The float 40 is a floating body that contains air inside and can float on water. As shown in FIG. 3, the float 40 is attached to the outside of the frame 12 and the inside of the U-shaped portion 11 as viewed from above. The vertical position of the entire apparatus can be made constant so that the height of 22 matches the height of the water surface. Therefore, even when the amount of water fluctuates, the power generator 1 is configured such that the frame 10 and the sprocket wheel 20 are supported by the buoyant force that the float 40 receives so that the height of the water surface and the height of the rotary shaft 22 substantially coincide with each other. A conveyor 30 and the like, which will be described later, can move in the vertical direction. The support column 50 is a so-called grooved steel having a groove-shaped opening on a side surface extending in the longitudinal direction (height direction). The column 50 is provided to fix the entire apparatus to the riverbed or the seabed. At the time of use, the lower end is inserted into the riverbed or the seabed and fixedly supported. A total of four struts 50 are provided between the support member 17 and the U-shaped portion 11.
　回転軸２２には、図３に示すように、更にスプロケットホイール２６が設けられており、スプロケットホイール２６は、後述する増速機８０の第１スプロケットホイール８２にチェーン２７を介して連結されている。増速機８０は、シャフト８１と、シャフト８１に回転自在に支持される第１及び第２スプロケットホイール８２，８３と、第２スプロケットホイール８３と後述する発電機７０のスプロケットホイール７３に巻き掛けられるチェーン８４とを備えて構成されている。チェーン２７は、スプロケットホイール２６と第１スプロケットホイール８２とに巻き掛けられており、回転軸２２の回転に伴いチェーン２７を介してシャフト８１を回転させることができるようになっている。シャフト８１が回転するとそれに伴い第２スプロケットホイール８３が回転し、チェーン８４を介して後述するスプロケットホイール７３を回転させることができる。 As shown in FIG. 3, the rotary shaft 22 is further provided with a sprocket wheel 26, and the sprocket wheel 26 is connected to a first sprocket wheel 82 of a speed increaser 80 described later via a chain 27. . The speed increaser 80 is wound around a shaft 81, first and second sprocket wheels 82 and 83 that are rotatably supported by the shaft 81, a second sprocket wheel 83, and a sprocket wheel 73 of a generator 70 described later. And a chain 84. The chain 27 is wound around the sprocket wheel 26 and the first sprocket wheel 82, and the shaft 81 can be rotated via the chain 27 as the rotary shaft 22 rotates. When the shaft 81 rotates, the second sprocket wheel 83 rotates accordingly, and a sprocket wheel 73 described later can be rotated via the chain 84.
　発電機７０は、図１、図３、及び図４に示すように、発電機軸７２及びスプロケットホイール７３を有し、発電機７０の内部には図示省略するベアリングが設けられ、このベアリングの内輪が発電機軸７２に支持され外輪が発電機７０本体に固定された状態となっている。発電機軸７２は、その両端が軸受け７９に固定支持されており、スプロケットホイール７３はボルト等の固定手段により発電機７０の側面に回転自在に固定されている。このように構成されることによって上記チェーン８４の回転に伴いスプロケットホイール７３が回転し、発電機７０は、当該スプロケットホイール７３の回転に伴い回転する。そして、発電機７０は、この回転により電力を発生させることができるようになっている。スプロケットホイール７３は、増速機８０及びチェーン２７を介して回転軸２２に連結されている。増速機８０の第１及び第２スプロケットホイール８２，８３は、その径がスプロケットホイール２６の径より小さくなっており、これにより、スプロケットホイール２６の回転速度より高速でスプロケットホイール７３を回転駆動させることが可能になっている。蓄電器８５は、発電機７０の脇部に設けられ、発電機７０により発生した電力を貯留することができる。 The generator 70 includes a generator shaft 72 and a sprocket wheel 73 as shown in FIGS. 1, 3, and 4, and a bearing (not shown) is provided inside the generator 70. The outer ring is supported by the generator shaft 72 and is fixed to the generator 70 main body. Both ends of the generator shaft 72 are fixedly supported by bearings 79, and the sprocket wheel 73 is rotatably fixed to the side surface of the generator 70 by fixing means such as bolts. With this configuration, the sprocket wheel 73 rotates with the rotation of the chain 84, and the generator 70 rotates with the rotation of the sprocket wheel 73. And the generator 70 can generate electric power by this rotation. The sprocket wheel 73 is connected to the rotary shaft 22 via the speed increaser 80 and the chain 27. The diameters of the first and second sprocket wheels 82 and 83 of the speed increasing gear 80 are smaller than the diameter of the sprocket wheel 26, thereby rotating the sprocket wheel 73 at a speed higher than the rotational speed of the sprocket wheel 26. It is possible. The battery 85 is provided at the side of the generator 70 and can store the electric power generated by the generator 70.
　発電機７０及び蓄電器８５は、図１、図３、及び図４に示すように、基台７５の上部に固定された第１載置台７７の載置面に、増速機８０は、同じく基台７５の上部に固定された第２載置台７８の載置面にそれぞれ載置されている。基台７５は、アルミ製の中空の角パイプ等の軽量部材で構成されており、フレーム１２の上面に左右方向に跨いだ状態で固定支持されている。第１載置台７７及び第２載置台７８は、アルミ等の軽量部材で構成されており、第１載置台７７の載置面は、図３に示すように、発電機７０及び蓄電器８５、第２載置台７８の載置面は、増速機８０の下面より若干量広くなっており、それぞれ、発電機７０及び蓄電器８５、増速機８０を載置させるための必要最小限の面積となっている。 As shown in FIGS. 1, 3, and 4, the power generator 70 and the battery 85 are mounted on the mounting surface of the first mounting table 77 fixed to the upper portion of the base 75, and the speed increaser 80 is similarly mounted on the base. It is mounted on the mounting surface of the second mounting table 78 fixed to the upper part of the table 75. The base 75 is made of a lightweight member such as a hollow aluminum square pipe, and is fixedly supported on the upper surface of the frame 12 in a state of straddling in the left-right direction. The first mounting table 77 and the second mounting table 78 are made of a lightweight member such as aluminum, and the mounting surface of the first mounting table 77 includes a generator 70, a capacitor 85, a first mounting surface, as shown in FIG. 2 The mounting surface of the mounting table 78 is slightly larger than the lower surface of the speed increaser 80, and has a minimum necessary area for mounting the generator 70, the capacitor 85, and the speed increaser 80, respectively. ing.
　コンベヤ３０は、図１及び図４に示すように、バケット６０と、チェーン３２と、プレート３３と、ボールキャスター３４と、ガイドレール３５とを有して構成されている。チェーン３２は、前側のスプロケットホイール２０と後側のスプロケットホイール２０に巻き掛けられており、チェーン３２の巡回に伴いスプロケットホイール２０を回転させることができるようになっている。チェーン３２は、図１及び図４に示すように、その上半分が空中に露出し下半分が水中に浸漬するようになっている。水中に浸漬した下半分のチェーン３２（以下、下方のチェーン３２と称する）は、コの字部１１の内部に位置し水流と共に後方に移動し、空中に露出された上半分のチェーン３２（以下、上方のチェーン３２と称する）は前方に移動するようになっている。下方のチェーン３２は、後側のスプロケットホイール２０の後端まで移動した後に後側のスプロケットホイール２０の外周に沿って上方へ方向転換し、水中から空中に移動した後、前方に移動する。 As shown in FIGS. 1 and 4, the conveyor 30 includes a bucket 60, a chain 32, a plate 33, a ball caster 34, and a guide rail 35. The chain 32 is wound around the front sprocket wheel 20 and the rear sprocket wheel 20 so that the sprocket wheel 20 can be rotated as the chain 32 circulates. As shown in FIGS. 1 and 4, the chain 32 has an upper half exposed in the air and a lower half immersed in water. The lower half chain 32 immersed in water (hereinafter referred to as the lower chain 32) is located inside the U-shaped portion 11 and moves rearward together with the water flow, and the upper half chain 32 exposed to the air (hereinafter referred to as the lower chain 32). , Referred to as the upper chain 32) is adapted to move forward. The lower chain 32 moves to the rear end of the rear sprocket wheel 20, then turns upward along the outer periphery of the rear sprocket wheel 20, moves from the water to the air, and then moves forward.
　バケット６０は、図１に示すように、チェーン３２の外周に、プレート３３によりチェーン３２の巡回方向に所定間隔毎に並んで支持されている。バケット６０は、図４、図５、及び図７に示すように、開口部６２を有し、水中に浸漬されたチェーン３２の下方に設けられたバケット６０の開口部６２が前方（流れの上流方向）を向くように設けられている。これにより、下方のチェーン３２に設けられたバケット６０に、その開口部６２から流水を受容し、当該流水の運動エネルギー（衝撃力）により、バケット６０をチェーン３２と共に流水が流れる方向に移動、巡回させることができる。そして、チェーン３２の巡回に伴い、スプロケットホイール２０が回転軸２２を中心に回転するようになっている。 As shown in FIG. 1, the bucket 60 is supported on the outer periphery of the chain 32 by a plate 33 side by side in the circulating direction of the chain 32 at predetermined intervals. 4, 5, and 7, the bucket 60 has an opening 62, and the opening 62 of the bucket 60 provided below the chain 32 immersed in water is forward (upstream of the flow). Direction). As a result, the running water is received by the bucket 60 provided in the lower chain 32 from the opening 62, and the bucket 60 moves in the direction in which the running water flows together with the chain 32 by the kinetic energy (impact force) of the running water. Can be made. As the chain 32 circulates, the sprocket wheel 20 rotates about the rotation shaft 22.
　また、図４に示すように、増速機８０のシャフト８１における第１スプロケットホイール８２に隣接する部分には、スプロケットホイール２６、回転軸２２、及びチェーン３２が逆方向に巡回するのを防止するための逆転防止機構１００が設けられている。逆転防止機構１００には、いわゆるラチェット機構が用いられており、このラチェット機構に内蔵されている爪部（不図示）により第１スプロケットホイール８２及び回転軸２２は一方向（図１における時計回りの方向）にしか回転しないようになっている。これにより上記水中に浸漬されているバケット６０が流れの反対方向に移動しないようにすることができる。 Further, as shown in FIG. 4, the sprocket wheel 26, the rotating shaft 22, and the chain 32 are prevented from circulating in the reverse direction in a portion adjacent to the first sprocket wheel 82 in the shaft 81 of the speed increasing device 80. A reverse rotation prevention mechanism 100 is provided. The reverse rotation prevention mechanism 100 uses a so-called ratchet mechanism, and the first sprocket wheel 82 and the rotary shaft 22 are moved in one direction (clockwise in FIG. 1) by a claw portion (not shown) built in the ratchet mechanism. (Direction) only. Thereby, the bucket 60 immersed in the water can be prevented from moving in the opposite direction of the flow.
　図５に示すように、バケット６０は、プレート３３の上面に載置されプレート３３を介してチェーン３２及びスプロケットホイール２０に取り付けられている。プレート３３のバケット６０を載置する箇所の左右に隣接する部分は下方に折り曲げられており、これによりプレート３３の強度を上げることができるようになっている。また、チェーン３２には、図６に示すように、チェーン３２をプレート３３及びバケット６０に取り付けるためのアタッチメント３２ａが設けられており、図５に示すように、アタッチメント３２ａ及びプレート３３に貫通して設けられる孔部（不図示）に、ボルト、ナット、及びワッシャーで構成される固定手段３９を設けることにより、スプロケットホイール２０に巻き掛けられているチェーン３２にプレート３３を介してバケット６０を取り付けることが可能になっている。 As shown in FIG. 5, the bucket 60 is mounted on the upper surface of the plate 33 and is attached to the chain 32 and the sprocket wheel 20 via the plate 33. The portions of the plate 33 adjacent to the left and right of the place where the bucket 60 is placed are bent downward, so that the strength of the plate 33 can be increased. Further, as shown in FIG. 6, the chain 32 is provided with an attachment 32a for attaching the chain 32 to the plate 33 and the bucket 60, and penetrates the attachment 32a and the plate 33 as shown in FIG. The bucket 60 is attached to the chain 32 wound around the sprocket wheel 20 via the plate 33 by providing a fixing means 39 including a bolt, a nut, and a washer in a hole (not shown) provided. Is possible.
　ボールキャスター３４は、ケース３４ａと、ボール３４ｂと、取付手段３４ｃとを備えて構成され、プレート３３に載置されているバケット６０の左右脇部に設けられている。ガイドレール３５は、図１及び図４に示すように、フレーム１２の下端に固定され前後方向に延びて設けられ、ボール３４ｂをガイドレール３５の上面に当接させることにより水中にあるバケット６０をガイドレール３５に沿って滑らかに移動させることができるようになっている。 The ball caster 34 includes a case 34 a, a ball 34 b, and attachment means 34 c and is provided on the left and right sides of the bucket 60 placed on the plate 33. As shown in FIGS. 1 and 4, the guide rail 35 is fixed to the lower end of the frame 12 and extends in the front-rear direction. By bringing the ball 34 b into contact with the upper surface of the guide rail 35, the underwater bucket 60 can be moved. It can be moved smoothly along the guide rail 35.
　流水が流入されたバケット６０は、その水流抵抗によりチェーン３２と共に後方に移動する。当該バケット６０は後方に移動して後方のスプロケットホイール２０の位置に達したとき、スプロケットホイール２０の後側の周に沿って上方に移動し開口部６２が下方を向いたときにバケット６０から流水が排出される。水を排出したバケット６０は空気中に上昇しその後前方に移動する。そして、前方のスプロケットホイール２０に達したとき、スプロケットホイール２０の前側の周に沿って下方に移動し開口部６２が上方を向いた状態で水中に浸漬され、開口部６２が前方を向いて再度バケット６０に流水が流入される。これを繰り返すことにより、バケット６０が、開口部６２に流入される流水の運動エネルギーにより、チェーン３２と共に移動し続け、回転軸２２及び発電機７０を回転させ続けることにより、連続的に発電機７０に発電させることができる。なお、バケット６０は、上方のチェーン３２と共に前方に移動する際には、空気中を移動するため移動抵抗等の負荷を小さくすることが可能になる。 The bucket 60 into which running water has flowed moves rearward together with the chain 32 due to its water flow resistance. When the bucket 60 moves rearward and reaches the position of the rear sprocket wheel 20, it moves upward along the circumference on the rear side of the sprocket wheel 20, and water flows from the bucket 60 when the opening 62 faces downward. Is discharged. The bucket 60 that has discharged water rises into the air and then moves forward. When the front sprocket wheel 20 is reached, it moves downward along the front circumference of the sprocket wheel 20 and is immersed in water with the opening 62 facing upward, and the opening 62 faces forward and again. Running water flows into the bucket 60. By repeating this, the bucket 60 continues to move together with the chain 32 due to the kinetic energy of the flowing water flowing into the opening 62, and continuously rotates the rotating shaft 22 and the generator 70, thereby continuously generating the generator 70. Can generate electricity. When the bucket 60 moves forward together with the upper chain 32, it moves in the air, so that it is possible to reduce loads such as movement resistance.
　ところで、バケット６０の移動速度が速ければ速いほどスプロケットホイール２０及び発電機７０の回転速度が速くなり、より多くの電力を蓄えることができるが、水量の増加に伴い枠体１０が上方に移動すると、それに伴いバケット６０の位置も上方に移動するため、水量が増加してもその増加した分の運動エネルギーを確実に取り込むことができないという課題があった。そこで、本実施形態におけるバケット６０は、開口部６２（受水領域）の面積が可変となるように構成されており、開口部６２の面積を可変とすることにより、水量が増加したときには当該面積を増大させることにより増加した流水の運動エネルギーを確実に取り込み、スプロケットホイール２０等を高速で回転させることができるようになっている。 By the way, the faster the moving speed of the bucket 60 is, the faster the rotational speed of the sprocket wheel 20 and the generator 70 is, and more electric power can be stored. However, when the frame 10 moves upward as the amount of water increases. Accordingly, since the position of the bucket 60 also moves upward, there is a problem that even if the amount of water increases, the increased amount of kinetic energy cannot be taken in reliably. Therefore, the bucket 60 in the present embodiment is configured such that the area of the opening 62 (water receiving area) is variable, and when the amount of water increases by making the area of the opening 62 variable, the area is increased. By increasing the kinetic energy, the increased kinetic energy of running water can be taken in reliably, and the sprocket wheel 20 and the like can be rotated at high speed.
　具体的には、例えば、バケット６０が受け取る水流のエネルギーをＰ（ｋＷ）、バケット６０が受ける力をＦ（Ｎ）、水の流速をｖ（ｍ／ｓ）とすると、式（１）の関係が成立する。
　　　Ｐ＝Ｆｖ＝ｍｖ２／２　　　　　　　　　　（１） Specifically, for example, assuming that the energy of the water flow received by the bucket 60 is P (kW), the force received by the bucket 60 is F (N), and the flow velocity of water is v (m / s), the relationship of Expression (1) Is established.
P = Fv = mv 2/2 (1)
　また、バケット６０の断面積をＡ（ｍ２）、水の密度をρ（ｋｇ／ｍ３）とすると、式（２）の関係が成立する。
　　　Ｆ＝ｍｖ／２＝ρＡｖ・ｖ／２　　　　　（２） Further, when the cross-sectional area of the bucket 60 is A (m 2 ) and the density of water is ρ (kg / m 3 ), the relationship of Expression (2) is established.
F = mv / 2 = ρAv · v / 2 (2)
　上記式（２）より、バケット６０の断面積Ａが大きくなると、バケット６０が受ける力Ｆが大きくなり、式（１）より、バケット６０が受ける力Ｆが大きくなるとエネルギーＰも大きくなる。このように、バケット６０の断面積、及び開口部６２の面積を大きくすることにより、流水からより多くのエネルギーを得ることができる。 From the above equation (2), when the cross-sectional area A of the bucket 60 increases, the force F received by the bucket 60 increases, and from equation (1), the energy P increases when the force F received by the bucket 60 increases. Thus, by increasing the cross-sectional area of the bucket 60 and the area of the opening 62, more energy can be obtained from running water.
　本実施形態におけるバケット６０は、図７（ａ）及び（ｂ）に示すように、第１箱体６６と、第２箱体６７と、ボルト６３と、ナット６４とを備えて構成されている。第２箱体６７は、第１箱体６６の内部に、その外面（側面）が第１箱体６６の内面と接する大きさになっている。また、第１箱体６６には孔部６８が、第２箱体６７には上下方向に延びるようにスリット６５が設けられ、ボルト６３を当該孔部６８及びスリット６５に挿入しナット６４で固定させることにより、第１箱体６６に第２箱体６７を取り付けることが可能となる。なお、スリット６５が上下方向に延びて設けられるため、第２箱体６７の第１箱体６６に対する取付位置を上下方向に変更できるようになっており、図７（ａ）及び（ｂ）の矢印に示すように、第１箱体６６に対する第２箱体６７の上下方向の取付位置を変えることにより、バケット６０の開口部６２の面積を変更することができる。従って、開口部６２の面積を大きくすることにより、バケット６０の受水面積が増え、より多くの電力を得ることができる。 As shown in FIGS. 7A and 7B, the bucket 60 in the present embodiment is configured to include a first box body 66, a second box body 67, bolts 63, and nuts 64. . The second box 67 is sized so that the outer surface (side surface) of the second box 67 is in contact with the inner surface of the first box 66. The first box 66 is provided with a hole 68 and the second box 67 is provided with a slit 65 extending in the vertical direction. The bolt 63 is inserted into the hole 68 and the slit 65 and fixed with a nut 64. By doing so, the second box 67 can be attached to the first box 66. In addition, since the slit 65 is extended and provided, the attachment position with respect to the 1st box 66 of the 2nd box 67 can be changed to an up-down direction, and Fig.7 (a) and (b) of FIG. As indicated by the arrows, the area of the opening 62 of the bucket 60 can be changed by changing the vertical mounting position of the second box 67 with respect to the first box 66. Therefore, by increasing the area of the opening 62, the water receiving area of the bucket 60 increases and more electric power can be obtained.
　なお、上述した発電装置１では、枠体１０等を浮揚させるためにフロート４０を用いた例について説明したが、枠体１０等の重量が増加し大量のフロート４０を用いると、フロート４０の体積により装置全体が大型化する問題がある。この問題に対応するため、本実施形態では、フロート４０の代わりに、例えば、パンタグラフ式の電動ジャッキ１１０及び制御装置（不図示）を用いることができるようになっている。電動ジャッキ１１０は、図８（ａ）及び（ｂ）に示すように、基台１１１と、一対の下アーム１１３と、一対の上アーム１１５と、連結板１１７と、ねじ棒１１８と、電動モータ１１９とを備えて構成されている。また、制御装置は、水位センサ（不図示）を内蔵しており、水位センサにより水深を検出することが可能になっているとともに、検出した水深に基づいて電動ジャッキ１１０の作動を制御することもできるようになっている（後に詳述）。 In addition, although the example which used the float 40 in order to float the frame 10 grade | etc., Was demonstrated in the electric power generating apparatus 1 mentioned above, when the weight of the frame body 10 grade | etc., Increases and the large amount of float 40 is used, the volume of the float 40 will be used. As a result, there is a problem that the entire apparatus becomes large. In order to cope with this problem, in this embodiment, for example, a pantograph type electric jack 110 and a control device (not shown) can be used instead of the float 40. As shown in FIGS. 8A and 8B, the electric jack 110 includes a base 111, a pair of lower arms 113, a pair of upper arms 115, a connecting plate 117, a screw rod 118, and an electric motor. 119. In addition, the control device has a built-in water level sensor (not shown), can detect the water depth by the water level sensor, and can control the operation of the electric jack 110 based on the detected water depth. It can be done (detailed later).
　電動ジャッキ１１０の構成について、まず、基台１１１にピン１１２を介して一対の下アーム１１３が回動自在に連結され、連結板１１７にピン１１６を介して一対の上アーム１１５が回動自在に連結されている。下アーム１１３と上アーム１１５は、左右一対に設けられた連結軸１１４を介して回動自在に連結されている。また、左右の連結軸１１４にはそれぞれ雌ねじ部（不図示）が設けられ、この雌ねじ部にねじ棒１１８が螺合されている。このねじ棒１１８を回転させることにより、左右一対の連結軸１１４の間の距離を変更することができ。この連結軸１１４の距離を変更することにより、連結板１１７を基台１１１に対して上下移動できるようになっている。また、図８（ａ）に示すように、連結板１１７を固定手段１２４によりアングル材１２２に支持させ、アングル材１２２を固定手段１２３により支柱５０に支持させることにより、また、電動ジャッキ１１０の下端の基台１１１をフレーム１２の上面に支持させることにより、電動ジャッキ１１０を支柱５０及びフレーム１２に固定支持させることが可能となる。 Regarding the configuration of the electric jack 110, first, a pair of lower arms 113 is rotatably connected to the base 111 via pins 112, and a pair of upper arms 115 is rotatably connected to the connecting plate 117 via pins 116. It is connected. The lower arm 113 and the upper arm 115 are rotatably connected through a connecting shaft 114 provided in a pair of left and right. Each of the left and right connecting shafts 114 is provided with a female screw portion (not shown), and a screw rod 118 is screwed into the female screw portion. By rotating the screw rod 118, the distance between the pair of left and right connecting shafts 114 can be changed. By changing the distance of the connecting shaft 114, the connecting plate 117 can be moved up and down with respect to the base 111. 8A, the connecting plate 117 is supported on the angle member 122 by the fixing means 124, and the angle member 122 is supported on the support column 50 by the fixing means 123, and the lower end of the electric jack 110 is also supported. By supporting the base 111 on the upper surface of the frame 12, the electric jack 110 can be fixedly supported on the support column 50 and the frame 12.
　上記ねじ棒１１８は、電動モータ１１９により回転駆動できるようになっており、制御装置により上記電動モータ１１９の作動を制御することができる。具体的には、水位センサにより定期的に水深を検出し、検出した水深に基づいて制御装置が電動モータ１１９の制御を行う。すなわち、水量が増加して水深がより深くなったことを検出したときには、制御装置は、電動モータ１１９に、連結板１１７に基台１１１を近付けさせフレーム１２等を上方に引き上げる制御を行い、水量が減少し水深が浅くなったことを検出したときには、電動モータ１１９に、連結板１１７から基台１１１を離隔させてフレーム１２を下方に移動させる制御を行う。このように、水深に合わせて、常時制御装置がフレーム１２等を上下移動させることが可能となるため、発電装置１からフロート４０を省略し、発電装置１の小型化を行うことができる。 The screw rod 118 can be rotationally driven by an electric motor 119, and the operation of the electric motor 119 can be controlled by a control device. Specifically, the water level is periodically detected by a water level sensor, and the control device controls the electric motor 119 based on the detected water depth. That is, when it is detected that the water amount has increased and the water depth has become deeper, the control device controls the electric motor 119 to bring the base 111 close to the connecting plate 117 and raise the frame 12 and the like upward. When it is detected that the water depth has decreased and the water depth has become shallow, the electric motor 119 is controlled to move the frame 12 downward by separating the base 111 from the connecting plate 117. As described above, the control device can always move the frame 12 and the like up and down according to the water depth, so that the float 40 can be omitted from the power generation device 1 and the power generation device 1 can be downsized.
　また、フロート４０及び電動ジャッキ１１０の代わりに、電動ウインチ２１０、ワイヤーロープ２１２、フック２１５、及び制御装置（不図示）を用いることもできる。図９に示すように、電動ウインチ２１０は、支柱５０に固定手段（不図示）により固定支持されたアングル材２２２に支持されて設けられている。電動ウインチ２１０は、図示省略するドラムを有し、当該ドラムにワイヤーロープ２１２の一端が固定され固定された部分からワイヤーロープ２１２がドラムに巻き付けられている。電動ウインチ２１０は、このドラムを回転駆動させ、ワイヤーロープ２１２の巻き取りまたは繰り出しを行うことができる。上記のようにワイヤーロープ２１２の一端はドラムに固定されているが、ワイヤーロープ２１２の他端は、フック２１５に固定されている。フック２１５は、フレーム１２の上部に設けられている。このように、ワイヤーロープ２１２が、下方に延びて設けられるとともに、フレーム１２の上部に設けられているフック２１５に支持された状態で、巻き取り繰り出しをされることにより、フレーム１２等を上方に移動させることができるようになっている。制御装置は、水位センサ（不図示）を内蔵し、水深を検出することができるとともに、検出した水深に基づいて電動ウインチ２１０の作動を制御できるようになっている。 Further, instead of the float 40 and the electric jack 110, an electric winch 210, a wire rope 212, a hook 215, and a control device (not shown) can be used. As shown in FIG. 9, the electric winch 210 is supported and provided by an angle member 222 that is fixedly supported on the support 50 by a fixing means (not shown). The electric winch 210 has a drum (not shown), and the wire rope 212 is wound around the drum from a portion where one end of the wire rope 212 is fixed and fixed to the drum. The electric winch 210 can rotate the drum and wind or unwind the wire rope 212. As described above, one end of the wire rope 212 is fixed to the drum, but the other end of the wire rope 212 is fixed to the hook 215. The hook 215 is provided on the upper part of the frame 12. In this manner, the wire rope 212 is provided extending downward, and the frame 12 and the like are moved upward by being unwound while being supported by the hook 215 provided at the upper part of the frame 12. It can be moved. The control device incorporates a water level sensor (not shown), can detect the water depth, and can control the operation of the electric winch 210 based on the detected water depth.
　上記のように電動ウインチ２１０及び制御装置を用いた場合において、制御装置２２０により定期的に水深を検出し、当該検出値に基づいて制御装置が電動ウインチ２１０のドラムの作動制御を行う。すなわち、水量が増加して水深が深くなったことを検出したときには、制御装置は、電動ウインチ２１０にワイヤーロープ２１２を上方に引き上げさせフレーム１２等を上方に引き上げる制御を行い、水深が浅くなったことを検出したときには、電動ウインチ２１０にワイヤーロープ２１２を繰り出させる制御を行う。このように、水量が増加して水深が深くなったときに、制御装置がフレーム１２等）を上方に移動させることが可能となるため、フロート４０を設ける必要がなくなり、発電装置１を小型化することができる。 When the electric winch 210 and the control device are used as described above, the water depth is periodically detected by the control device 220, and the control device controls the operation of the drum of the electric winch 210 based on the detected value. That is, when it is detected that the water depth has increased and the water depth has increased, the control device controls the electric winch 210 to raise the wire rope 212 upward and the frame 12 etc. upward, and the water depth has become shallower. When this is detected, the electric winch 210 is controlled to feed out the wire rope 212. Thus, when the amount of water increases and the water depth becomes deeper, the control device can move the frame 12 and the like upward, so there is no need to provide the float 40 and the power generation device 1 is downsized. can do.
　更に、上述したパンタグラフ式の電動ジャッキ１１０、電動ウインチ２１０の代わりに、スクリュー式電動ジャッキ３１０を用いてもよい。スクリュー式電動ジャッキ３１０は、図１０に示すように、モータ３１１と、スクリュー軸３１２とを備えて構成され、モータ３１１を回転させると、その回転に伴いスクリュー軸３１２を上下方向に移動させることができるようになっている。このスクリュー式電動ジャッキ３１０の上端を、固定手段３２４によりアングル材３２２に支持させ、アングル材３２２を固定手段３２３で支柱５０に支持させることにより、また、スクリュー軸３１２の下端を固定手段３１５でフレーム１２に支持させることにより、スクリュー式電動ジャッキ３１０を支柱５０及びフレーム１２に固定支持することが可能となる。 Furthermore, a screw-type electric jack 310 may be used instead of the pantograph-type electric jack 110 and the electric winch 210 described above. As shown in FIG. 10, the screw-type electric jack 310 includes a motor 311 and a screw shaft 312. When the motor 311 is rotated, the screw shaft 312 can be moved in the vertical direction along with the rotation. It can be done. The upper end of the screw type electric jack 310 is supported on the angle member 322 by the fixing unit 324, and the angle member 322 is supported on the support column 50 by the fixing unit 323, and the lower end of the screw shaft 312 is framed by the fixing unit 315. 12, the screw type electric jack 310 can be fixedly supported to the support column 50 and the frame 12.
　上述のように構成されたスクリュー式電動ジャッキ３１０を用いることにより、フレーム１２を支柱５０に対して上下移動させることが可能となり、電動ジャッキ１１０、電動ウインチ２１０を用いた場合と同様に、制御装置が、水深の検出値に応じて、モータ３１１を回転させるように制御することにより、水量の増減に合わせて枠体１０（フレーム１２）を上下動させることができる。 By using the screw-type electric jack 310 configured as described above, the frame 12 can be moved up and down with respect to the column 50, and the control device is the same as in the case where the electric jack 110 and the electric winch 210 are used. However, by controlling the motor 311 to rotate according to the detected value of the water depth, the frame body 10 (frame 12) can be moved up and down in accordance with the increase or decrease in the amount of water.
　以上、上述した実施形態の発電装置１においては、河川等の流水が増加または減少したときに、その水量の増加減少に合わせて上下移動することが可能となっており、また、バケット６０の開口部６２の面積（受水面積）を可変にしているため、水量が少なく水かさが低い時は開口部６２の面積を小さく、水量が多く水かさが高い時は開口部６２の面積を大きくすることが可能となり、水量の増加により増大した流水の運動エネルギーを確実に取り込むことができる。 As mentioned above, in the electric power generating apparatus 1 of embodiment mentioned above, when flowing water, such as a river, increases or decreases, it is possible to move up and down according to the increase and decrease of the amount of water, and the opening of the bucket 60 Since the area (water receiving area) of the part 62 is variable, the area of the opening 62 may be reduced when the amount of water is low and the water level is low, and the area of the opening 62 may be increased when the amount of water is high and the water level is high. It becomes possible, and the kinetic energy of the flowing water increased by the increase in the amount of water can be reliably taken in.
　なお、本発明に係る流水を用いた発電装置１は、上述の実施形態に限定して解釈されるものではなく、本発明の趣旨を逸脱しない範囲内において適宜改良可能である。例えば、上述した実施形態における変形例として、バケットの底面から開口部に向かって広がるような形状にしてバケットの受水面積を増加させるようにしてもよい。また、川底または海底のバケット６０の前方付近にガイド堰を設けて、流水にそのガイド堰を通過させることによりその流速、及びバケット６０の移動速度を速めて、より多くの運動エネルギーを取り出すようにしてもよい。 It should be noted that the power generation device 1 using running water according to the present invention is not limited to the above-described embodiment, and can be appropriately improved without departing from the gist of the present invention. For example, as a modification of the above-described embodiment, the bucket may have a shape that widens from the bottom surface toward the opening to increase the water receiving area of the bucket. Also, a guide weir is provided near the front of the bucket 60 on the riverbed or seabed, and the flow velocity and the moving speed of the bucket 60 are increased by passing the guide weir through the running water, so that more kinetic energy can be extracted. May be.
　また、上述した実施形態では、バケット６０が第１箱体６６及び第２箱体６７で構成され、第２箱体６７の第１箱体６６に対する上下位置を、ボルト６３及びナット６４の取付位置を変えることにより変更し、開口部６２の面積を変更可能とする例について説明したが、開口部６２の面積を変更可能にする構成はこれに限定されない。例えば、第１箱体と第２箱体の間に水圧シリンダを設け、当該水圧シリンダを検出した水深に応じて自動的に伸縮させることにより、検出した水深に応じて自動的に開口部６２の面積を変更させるようにしてもよい。 In the above-described embodiment, the bucket 60 is configured by the first box body 66 and the second box body 67, and the vertical position of the second box body 67 with respect to the first box body 66 is determined by the mounting position of the bolt 63 and the nut 64. However, the configuration that allows the area of the opening 62 to be changed is not limited to this. For example, a hydraulic cylinder is provided between the first box and the second box, and the hydraulic cylinder is automatically expanded and contracted according to the detected water depth, so that the opening 62 can be automatically expanded according to the detected water depth. The area may be changed.
　なお、上述した実施形態では、フロート４０の代わりにパンタグラフ式の電動ジャッキ１１０、電動ウインチ２１０、またはスクリュー式電動ジャッキ３１０を用いた例について説明したが、電動ジャッキまたは電動ウインチの種類は上述した例に限定されることなく他の種類のものを用いてもよい。 In the above-described embodiment, an example in which the pantograph type electric jack 110, the electric winch 210, or the screw type electric jack 310 is used instead of the float 40 has been described. However, the type of the electric jack or the electric winch is the example described above. Other types may be used without being limited to the above.
　なお、フレーム１２及びスプロケットホイール２０等が下方に降下しすぎないようにするため、支柱５０に、突設部を有し、フレーム１２及びスプロケットホイール２０が所定位置より下に降下しようとするときに上記突設部により当該降下を規制するストッパ機構を設けるようにしてもよい。 In order to prevent the frame 12 and the sprocket wheel 20 and the like from descending too much downward, the support 50 has a protruding portion, and the frame 12 and the sprocket wheel 20 are about to descend below a predetermined position. You may make it provide the stopper mechanism which controls the said fall by the said protrusion part.
　そして、上述した実施形態における発電装置では、枠体１０、基台７５、第１載置台７７、及び第２載置台７８等がアルミ等の軽量部材で構成されているため、装置全体を軽量化することが可能となっている。従って、装置を浮揚させるフロート４０のサイズを従来より小さくすることが可能となっている。また、上述したパンタグラフ式の電動ジャッキ１１０、電動ウインチ２１０、またはスクリュー式電動ジャッキ３１０等を設ければ、フロート４０を省略することも可能となり、更に装置全体を小型化することが可能となっている。従って、小川等狭い場所でも装置を使用することが可能となり利用範囲が拡大するとともに、運搬等のコストを低減させることができる。 And in the electric power generating apparatus in embodiment mentioned above, since the frame 10, the base 75, the 1st mounting base 77, the 2nd mounting base 78, etc. are comprised with lightweight members, such as aluminum, the weight of the whole apparatus is reduced. It is possible to do. Therefore, the size of the float 40 for levitating the device can be made smaller than before. Further, if the pantograph type electric jack 110, the electric winch 210, the screw type electric jack 310, or the like described above is provided, the float 40 can be omitted, and the entire apparatus can be further downsized. Yes. Therefore, the apparatus can be used even in a narrow place such as a creek, and the range of use can be expanded, and the cost for transportation and the like can be reduced.
　　　　１　　　発電装置
　　　１０　　　枠体（ベース部材）
　　　２０　　　スプロケットホイール（回転部材）
　　　３２　　　チェーン（巻き掛け部材）
　　　４０　　　フロート（上下位置調節手段）
　　　５０　　　支柱（ベース部材係留手段）
　　　６０　　　バケット（流水受容部）
　　　６６　　　第１箱体（第１半体）
　　　６７　　　第２箱体（第２半体）
　　　７０　　　発電機
　　１１０　　　電動ジャッキ（ジャッキ）
　　２１０　　　電動ウインチ（ウインチ） 1 Power generation device 10 Frame (base member)
20 Sprocket wheel (Rotating member)
32 Chain (winding member)
40 Float (up / down position adjustment means)
50 strut (base member mooring means)
60 bucket (running water receiving part)
66 First box (first half)
67 Second box (second half)
70 Generator 110 Electric jack (jack)
210 Electric winch (winch)

Claims (4)

  1. 　河川や海洋等の流水中に浸漬されて用いられ、前記流水の運動エネルギーを電力に変換する発電装置において、
    　ベース部材と、
    　前記ベース部材を川底又は海底に係留するベース部材係留手段と、
    　前記ベース部材の前記ベース部材係留手段に対する上下位置を調節する上下位置調節手段と、
    　前記ベース部材に前後に離れて回転自在に支持された一対の回転部材及び前記一対の回転部材間に巻き掛けられた巻き掛け部材から構成された巻き掛け伝動機構と、
    　前記巻き掛け部材の外周に取り付けられ、前記流水中に浸漬されて用いられるときに前記流水を受容して前記巻き掛け部材を前記一対の回転部材間で巻き掛け移動させる流水受容部と、
    　前記巻き掛け部材が前記一対の回転部材間で巻き掛け移動されることにより回転される前記回転部材により回転駆動されて電力を発生させる発電機とを備え、
    　前記流水受容部は、前記巻き掛け部材の外周に取り付けられる第１半体と、前記第１半体に取り付けられる第２半体とにより構成され、前記第２半体の前記第１半体に対する取付位置が前記巡回部の外周に対して略垂直な方向に伸縮可能となっていることを特徴とする流水を用いた発電装置。     In a power generation device that is immersed in running water such as a river or ocean, and converts the kinetic energy of the running water into electric power,
    A base member;
    Base member mooring means for mooring the base member to the riverbed or the seabed;
    Vertical position adjusting means for adjusting the vertical position of the base member relative to the base member anchoring means;
    A wrapping transmission mechanism comprising a pair of rotating members that are rotatably supported by the base member back and forth, and a wrapping member wound between the pair of rotating members;
    A flowing water receiving portion that is attached to the outer periphery of the winding member, receives the flowing water when used by being immersed in the flowing water, and moves the winding member around the pair of rotating members; and
    A generator that generates electric power by being rotationally driven by the rotating member rotated by the winding member being wound and moved between the pair of rotating members;
    The flowing water receiving portion includes a first half attached to an outer periphery of the winding member, and a second half attached to the first half, and the second half with respect to the first half A power generator using running water, characterized in that the mounting position can be expanded and contracted in a direction substantially perpendicular to the outer periphery of the circulating portion.
  2. 　前記ベース部材係留手段は、上下方向に延びて設けられる支柱であり、
    　前記上下位置調節手段は、前記支柱及び前記ベース部材に取り付けられ、前記ベース部材を前記支柱に対して上下移動させるジャッキであることを特徴とする請求項１に記載の流水を用いた発電装置。     The base member mooring means is a column provided extending in the vertical direction,
    The power generator using flowing water according to claim 1, wherein the vertical position adjusting means is a jack that is attached to the support column and the base member and moves the base member up and down relative to the support column.
  3. 　前記ベース部材係留手段は、上下方向に延びて設けられる支柱であり、
    　前記上下位置調節手段は、一端が前記ベース部材の上部に固定されたワイヤと、前記支柱に取り付けられ前記ワイヤの繰り出し及び巻き取りが可能なウインチとにより構成されることを特徴とする請求項１に記載の流水を用いた発電装置。     The base member mooring means is a column provided extending in the vertical direction,
    2. The vertical position adjusting means includes a wire having one end fixed to an upper portion of the base member, and a winch attached to the support and capable of feeding and winding the wire. A power generator using the flowing water described in 1.
  4. 　前記上下位置調節手段は、前記ベース部材に取り付けられ、前記流水に浮遊可能な材料から成るフロート部材であることを特徴とする請求項１に記載の流水を用いた発電装置。 The power generator using flowing water according to claim 1, wherein the vertical position adjusting means is a float member attached to the base member and made of a material capable of floating in the flowing water.
PCT/JP2009/061766 2009-06-26 2009-06-26 Power generating device using flowing water WO2010150406A1 (en)

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WO2020161411A1 (en) * 2019-02-08 2020-08-13 Chalret Du Rieu Arnaud Water current turbine

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JP2003106247A (en) * 2001-09-28 2003-04-09 Tadanobu Nagasawa Savonius water turbine and power plant comprising the same
WO2005068830A1 (en) * 2004-01-16 2005-07-28 Takeuchi Mfg.Co., Ltd. Power genertion device utilizing river flow or seawater
JP2006016894A (en) * 2004-07-02 2006-01-19 Electric Power Dev Co Ltd Lifting and falling gate for hydraulic power generation and lifting and falling type hydraulic power generator
JP2006249999A (en) * 2005-03-09 2006-09-21 Takashi Uchida Translational vane machine

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
JP2003106247A (en) * 2001-09-28 2003-04-09 Tadanobu Nagasawa Savonius water turbine and power plant comprising the same
WO2005068830A1 (en) * 2004-01-16 2005-07-28 Takeuchi Mfg.Co., Ltd. Power genertion device utilizing river flow or seawater
JP2006016894A (en) * 2004-07-02 2006-01-19 Electric Power Dev Co Ltd Lifting and falling gate for hydraulic power generation and lifting and falling type hydraulic power generator
JP2006249999A (en) * 2005-03-09 2006-09-21 Takashi Uchida Translational vane machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020161411A1 (en) * 2019-02-08 2020-08-13 Chalret Du Rieu Arnaud Water current turbine
FR3092627A1 (en) * 2019-02-08 2020-08-14 Arnaud CHALRET DU RIEU Turbine.

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