Oscillating float power generation device

Abstract

The present invention proposes an oscillating float power generation device, comprising: a fixed pile: a rack is arranged on it; a sleeve: it is sleeved outside the fixed pile, and a first through hole and a second through hole are spaced apart on one side wall thereof; a running mechanism: it comprises a first running mechanism and a second running mechanism spaced apart on the sleeve; the first running mechanism comprises a first gear and a first ratchet coaxially arranged therewith, and the second running mechanism comprises a second gear and a second ratchet coaxially arranged therewith; the first gear and the second gear are both meshed with the rack, and the pawl of the first ratchet and the pawl of the second ratchet face opposite directions; a running stop mechanism, wherein the first stop mechanism can be engaged with the first ratchet, and the second stop mechanism can be engaged with the second ratchet; a float: it is connected to a generator, can move relative to the sleeve with waves, and can contact with the first stop pin and the second stop pin. The oscillating float power generation device realizes adaptive water level adjustment of the dock through a mechanical structure, and has a simple structure and high stability.

Description

Technical Field

[0001] The invention relates to the technical field of wave power generation, and in particular to an oscillating float power generation device. Background Art

[0002] The oscillating float is one of the most widely studied and applied wave energy power generation devices. The device uses the ups and downs of waves to drive the float to move up and down to generate electricity. The oscillating float is often used in conjunction with a hydraulic system to generate electricity, and the hydraulic system is used as the secondary energy conversion system of the device.

[0003] The sea is affected by both waves and tides. For an oscillating float power generation device equipped with a hydraulic system, if the float moves up and down too far, it will damage the hydraulic system and is not conducive to improving power generation efficiency. Therefore, in order to protect the hydraulic device and improve power generation efficiency, it is necessary to design a power generation device that can automatically control the range of float movement as the tide changes. Summary of the invention

[0004] The object of the present invention is to provide an oscillating buoy power generation device which can stably rise and fall with the waves and can effectively utilize wave energy.

[0005] In order to achieve the above object, the technical solution adopted by the present invention is:

[0006] An oscillating float power generation device, comprising:

[0007] Fixed pile: fixed on the seabed, with racks set along its height direction;

[0008] Sleeve: It is sleeved outside the fixed pile, and a first through hole and a second through hole are spaced apart on one side wall of the sleeve along the length direction of the sleeve;

[0009] The walking mechanism comprises a first walking mechanism and a second walking mechanism arranged on the sleeve at intervals; the first walking mechanism comprises a first gear and a first ratchet arranged coaxially therewith, and the second walking mechanism comprises a second gear and a second ratchet arranged coaxially therewith; the first gear and the second gear are both meshed with the rack, and the pawl of the first ratchet and the pawl of the second ratchet face in opposite directions;

[0010] The travel stop mechanism comprises a first stop mechanism and a second stop mechanism which are arranged on the sleeve at intervals; the first stop mechanism comprises a first stop pin installed at the first through hole and can be engaged with the first ratchet, and the second stop mechanism comprises a second stop pin installed at the second through hole and can be engaged with the second ratchet;

[0011] Float: It is mounted outside the sleeve, located between the first through hole and the second through hole, can float on the water surface, can move relative to the sleeve with waves, can contact with the first stop pin and the second stop pin, and the float is connected to the generator.

[0012] In some embodiments of the present invention, based on the perspective that the first stop pin is located on the right side of the first ratchet, the first ratchet pawl is oriented counterclockwise, and the second ratchet pawl is oriented clockwise.

[0013] In some embodiments of the present invention, the first stopping pin is installed at the first through hole via a first spring, and the second stopping pin is installed at the second through hole via a second spring.

[0014] In some embodiments of the present invention, along the length direction of the sleeve, the first stop pin is located above the second stop pin; the first stop pin includes a first pin handle and a first pin seat, the first pin seat is installed at the first through hole via a spring, and the first pin handle is bent toward the first ratchet pawl relative to the first pin seat; the second stop pin includes a second pin handle and a second pin seat, the second pin seat is installed at the second through hole via a spring, and the second pin handle is bent toward the second ratchet pawl relative to the second pin seat.

[0015] In some embodiments of the present invention, double-sided racks are arranged in parallel on the limit piles; the first walking mechanism further includes a third gear coaxially arranged with the first gear, and the first gear and the third gear are respectively meshed with the double-sided racks; the second walking mechanism further includes a fourth gear coaxially arranged with the second gear, and the second gear and the fourth gear are respectively meshed with the double-sided racks.

[0016] In some embodiments of the present invention, the first ratchet is coaxially installed between the first gear and the third gear, and the second ratchet is coaxially installed between the second gear and the fourth gear.

[0017] In some embodiments of the present invention, along the length direction of the sleeve, the first end and the second end thereof are radially expanded to form a first expansion portion and a second expansion portion, and the float is located between the first expansion portion and the second expansion portion.

[0018] In some embodiments of the present invention, a pulley is provided inside the side of the float opposite to the sleeve, and the pulley can roll along the relative moving direction of the float and the sleeve and contact the outer wall of the sleeve.

[0019] In some embodiments of the present invention, the sleeve is a square column, and the float has a square column hole that matches the shape of the outer wall of the sleeve and is sleeved outside the sleeve.

[0020] In some embodiments of the present invention, a pulley is provided along the inner wall of the sleeve, and the pulley can roll along the relative walking direction of the sleeve and the fixed pile and contact the outer wall of the fixed pile.

[0021] Compared with the prior art, the advantages and positive effects of the present invention are:

[0022] An oscillating float power generation device that automatically adapts to tidal changes is provided. Through the matching structure of the stop pin and the ratchet wheel, the float can move normally to generate electricity when the water level is stable, and the float can automatically adjust the movement range when the water level rises and falls. The device has a simple structure and high stability, can enhance the adaptability of the power generation device to the tidal level, and improve the power generation efficiency of the wave energy power generation device. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the structure of the oscillating float power generation device of the present invention;

[0024] Figure 2 It is a schematic diagram of the partial structure of the walking mechanism;

[0025] Figure 3 It is a schematic diagram of the state structure of the travel stop mechanism in a stable state;

[0026] Figure 4 It is an enlarged view of the structure of the first stop pin and the first ratchet wheel matching part;

[0027] Figure 5 is a schematic diagram of the structure of the first stop pin;

[0028] Figure 6 It is a partial enlarged view of the matching structure of the first stop pin, the first ratchet, the first gear and the rack;

[0029] In the above figures:

[0030] 1-fixed pile, 101-rack;

[0031] 2-sleeve, 201-first through hole, 202-second through hole, 203-first expansion part, 204-second expansion part;

[0032] 301-first gear, 302-first ratchet, 303-third gear;

[0033] 401 - second gear, 402 - second ratchet, 403 - fourth gear;

[0034] 5-Float;

[0035] 6-first stop pin, 601-first pin handle, 602-first pin seat;

[0036] 7-second stop pin, 701-second pin handle, 702-second pin seat;

[0037] 801- first spring, 802- second spring. DETAILED DESCRIPTION

[0038] The present invention is described in detail below by way of exemplary embodiments. However, it should be understood that elements, structures, and features in one embodiment may also be beneficially combined in other embodiments without further description.

[0039] In the description of the present invention, it should be noted that the directions or positional relationships indicated by terms such as “inside”, “outside”, “upper”, “lower”, “front” and “back” are based on the positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0040] It should be noted that when an element is referred to as being "disposed on", "connected to", or "fixed to" another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or indirectly connected to the other element. In addition, the terms "first", "second", "third", and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance.

[0041] The invention provides an oscillating float power generation device which can be adjusted according to the tide level and generate electricity by utilizing the energy of ocean waves.

[0042] The oscillating float power generation device includes a fixed pile 1, a sleeve 2, a traveling mechanism, a traveling brake mechanism and a float 5. Structural reference Figure 1 .

[0043] Fixed pile 1: fixedly arranged on the seabed, with a rack 101 arranged on its outer wall along its height direction;

[0044] Sleeve 2: Sleeve 2 is mounted outside the fixed pile 1. Sleeve 2 is a cuboid thin-walled structure. Along the length direction of sleeve 2 (vertical to the water surface), a first through hole 201 and a second through hole 202 are spaced apart on one side wall. In this embodiment, the first through hole 201 is a through hole located at the top, and the second through hole 202 is a through hole located at the bottom. Optionally, a pulley is provided on the contact surface between sleeve 2 and fixed pile 1. The pulley is fixed to the inner wall of sleeve 2 through an axis. The rolling surface of the pulley contacts with fixed pile 1 and can slide along the direction of relative movement between sleeve 2 and fixed pile 1. This reduces the friction between sleeve 2 and fixed pile 1, making it easier for both to slide. The pulley structure can be selectively provided inside sleeve 2, on the contact surface of the three sides of limit pile 1 where rack 101 is not provided.

[0045] Walking mechanism: It includes a first walking mechanism and a second walking mechanism which are arranged on the sleeve 2 at intervals. The first walking mechanism is arranged on the sleeve 2 at intervals along the length direction of the sleeve 2, that is, in the direction perpendicular to the sea surface. Figure 2 , including a first gear 301 and a first ratchet 302 coaxially arranged therewith, and the second walking mechanism includes a second gear 401 and a second ratchet 402 coaxially arranged therewith; the first gear 301 and the second gear 401 are both meshed with the rack 101, and the pawl of the first ratchet 302 and the pawl of the second ratchet 402 face oppositely. The shafts of the first walking mechanism and the second walking mechanism are installed on the sleeve 2.

[0046] The travel stop mechanism includes a first stop mechanism and a second stop mechanism which are arranged at intervals on the sleeve 2; the first stop mechanism includes a first stop pin 6 installed at the first through hole 201, which can be engaged with the first ratchet 302, and the second stop mechanism includes a second stop pin 7 installed at the second through hole, which can be engaged with the second ratchet 402; wherein, the first stop pin 6 and the second stop pin 7 have non-fixed engagement and stopping structures for the corresponding ratchets, and when the first stop pin 6 or the second stop pin 7 is subjected to external action, the limiting effect on the corresponding ratchet is released.

[0047] Float 5: connected with a generator, mounted outside the sleeve 2, located between the first through hole 201 and the second through hole 202, and can float on the water surface. One end of the first stop pin 6 extends to the outside of the first through hole 201, and one end of the second stop pin 7 extends to the outside of the second through hole 202. It can move relative to the sleeve 2 with the waves, and can contact the first stop pin 6 and the second stop pin 7 during the movement, and drive the first stop pin 9 to move to disengage from the first ratchet 302, and drive the second stop pin 10 to move to disengage from the second ratchet 402. Similar to the cooperation between the sleeve 2 and the limit pile 1, a pulley is also provided between the float 5 and the sleeve 2 to reduce the friction between the two. During the movement of the float 5 with the rise and fall of the tide, it drives the generator rotor to rotate and generates electricity using wave energy.

[0048] In some embodiments of the present invention, the sleeve 2 is a square column, and the float 5 has a square column hole that matches the shape of the outer wall of the sleeve 2, limiting the float 5 to only move up and down along the sleeve 2. Along the length direction of the sleeve 2, the two ends of the sleeve expand radially to form a first expansion portion 203 and a second expansion portion 204, and the float 5 is located between the first expansion portion 203 and the second expansion portion 204. The first expansion portion 203 and the second expansion portion 204 limit the range of motion of the float 5 to prevent it from detaching from the sleeve 2 during the ups and downs of the waves.

[0049] In some embodiments of the present invention, based on the perspective that the first stop pin 6 is located on the right side of the first ratchet 302, the pawl of the first ratchet 302 is oriented counterclockwise, and the pawl of the second ratchet 402 is oriented clockwise. The characteristic of this structure is that the movement of the first ratchet 302 located above and the movement of the second ratchet 402 located below can be restricted at the same time, but when the movement restriction of one side is released, the movement trend of the other side is also contacted and the restriction is eliminated at the same time. For example, assuming that the sleeve 2 has an upward movement tendency, the first gear 301, the first ratchet 302, the second gear 401 and the second ratchet 402 all have a counterclockwise rotation tendency. However, the difference is that since the ratchet tooth back directions of the first ratchet 302 above and the second ratchet 402 below are exactly opposite, the first ratchet 302 can be stuck by the stop pin, while the counterclockwise rotation of the second ratchet 402 is not controlled by the stop pin. Therefore, the upward movement of the sleeve 2 is controlled by the first stop structure at the top. As long as the first stop pin 6 of the first travel stop mechanism is pressed down, the movement restriction on the first ratchet 302 is released, and the sleeve 2 can move upward. The principle of downward movement is the same and will not be repeated.

[0050] The sea is affected by both waves and tides. The rise and fall of waves is present all the time, while the rise and fall of tides is much slower. The float 5 moves with the waves all the time, driving the generator to generate electricity. For an oscillating float power generation device equipped with a hydraulic system, if the float 5 moves up and down too far, it will damage the hydraulic system and will not be conducive to improving the power generation efficiency. In the present invention, the gap between the first stop mechanism and the second stop mechanism provides a space for the movement of the float 5. Long-term changes in tide levels will affect the range of motion of the float 5. In the present invention, the range of motion of the float 5 can change with the tide level through the cooperation of the oscillating float 5 and the stop mechanism.

[0051] Specifically, the working principle of the oscillating float power generation device is as follows.

[0052] Reference diagram of the state of the float power generation device in normal state Figure 3 , the float 5 floats up and down between the first through hole 201 and the second through hole 202, and does not contact the first stop pin 6 and the second stop pin 7. The first ratchet 302 located at the top is stuck by the first stop pin 6, so the first ratchet 302 cannot rotate counterclockwise, and the coaxially connected first gear 301 and the third gear 303 cannot rotate counterclockwise either, so the sleeve 2 cannot move upward. The second ratchet 402 located at the bottom is stuck by the second stop pin 7, so the second ratchet 402 cannot rotate clockwise, and the coaxially connected second gear 401 and the fourth gear 403 cannot rotate clockwise either, so the sleeve 2 cannot move downward. At this time, the entire float power generation device forms a stable structure that adapts to the tide level.

[0053] When the water level rises, the floating range of the float 5 also moves upward, and the sleeve 2 cannot rise temporarily due to the action of the first stop pin 6. When the water level rises to the point where the float 5 can contact the first stop pin 6, the float presses the first stop pin 6 down, and the first stop pin 6 no longer blocks the first ratchet 302, releasing the movement restriction of the first ratchet 302. Since the second ratchet 402 does not restrict the rising movement of the sleeve 2, the sleeve 2 can rise with the water level. Subsequently, the float 5 continues to oscillate up and down, and when it leaves the first stop pin 6, the force acting on the first stop pin 6 loses effectiveness, and the first stop pin 6 returns to its original position, and can continue to block the first ratchet 302, and the sleeve 2 returns to a stable state again.

[0054] When the water level drops, the floating range of the float 5 also moves downward, and the sleeve 2 cannot drop temporarily due to the action of the second stop pin 7. When the water level drops to the point where the float 5 can contact the second stop pin 7, the float 5 presses the second stop pin 7 down, and the second stop pin 7 no longer blocks the second ratchet 402, releasing the movement restriction of the second ratchet 402. Since the first ratchet 302 does not restrict the downward movement of the sleeve 2, the sleeve 2 can drop with the water level. Subsequently, the float 5 continues to oscillate up and down, and when it leaves the second stop pin 7, the force acting on the second stop pin 7 loses effectiveness, and the second stop pin 7 returns to its original position, and can continue to block the second ratchet 402, and the sleeve 2 returns to a stable state again.

[0055] Based on this, a simple and stable floating adaptive tide level structure is formed.

[0056] In some embodiments of the present invention, in order to make the structure of the first stop pin 6 and the second stop pin 7 more flexible, the first stop pin 6 is installed at the first through hole 201 via the first spring 801, and the second stop pin 7 is installed at the second through hole 202 via the second spring 802. When the float 5 moves upward to the first stop pin 6, the first stop pin 6 is pressed down, and after the effect disappears, the first spring 801 drives the first stop pin 6 to return to its original position. The working principle of the second stop pin 7 is similar and will not be repeated here.

[0057] In some embodiments of the present invention, in order to make the stopping effect of the stop pin 6 on the ratchet wheel more stable, the following structure is further designed. Figure 4 and Figure 5The first stop pin 6 includes a first pin handle 601 and a first pin seat 602. The first pin seat 602 is installed at the first through hole 201 via a first spring 801. The first pin handle 601 is bent relative to the first pin seat 602 in the direction of the first ratchet 302 pawl stop. Specifically, in the direction shown in the drawings of this embodiment, the first pin handle 601 is bent downward relative to the first pin seat 602. The second stop pin 7 includes a second pin handle 701 and a second pin seat 702. The second pin seat 702 is installed at the second through hole 202 via a second spring 802. The second pin handle 701 is bent relative to the second pin seat 702 in the direction of the second ratchet 402 pawl stop. Specifically, in the direction shown in the drawings of this embodiment, the second pin handle 701 is bent upward relative to the second pin seat 702. This structure enhances the effect of the stop pin and the pawl, and can form a more stable stop between the stop pin and the pawl.

[0058] In some embodiments of the present invention, in order to achieve more stable movement of the sleeve 2 with the water level, a double-sided rack 101 is arranged in parallel and spaced on the limit pile 1; accordingly, the first walking mechanism further includes a third gear 303 coaxially arranged with the first gear 301, the first gear 301 and the third gear 303 are respectively meshed with the double-sided racks, and the first ratchet 302 is installed between the first gear 301 and the third gear 303; the second walking mechanism further includes a fourth gear 403 coaxially arranged with the second gear 401, the second gear 401 and the fourth gear 403 are respectively meshed with the double-sided rack 101, and the second ratchet 402 is arranged between the second gear 401 and the fourth gear 403. Restricted by the double-sided rack 101, the walking is more stable, and then, the lifting and lowering movement of the sleeve 2 with the water level is also more stable.

[0059] By using the oscillating float power generation device provided by the present invention, under the action of the float 5, the position of the sleeve 2 can be adjusted with the tide level, and then the movement space of the float 5 can be adjusted with the tide level, thereby ensuring that the power generation efficiency of the float 5 is not affected by the tide level.

[0060] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. An oscillating float power generation device, characterized in that: include: Fixed pile: fixed on the seabed, with racks set along its height direction; Sleeve: sleeved outside the fixed pile, with a first through hole and a second through hole spaced apart on one side wall of the sleeve along the length direction; The walking mechanism comprises a first walking mechanism and a second walking mechanism arranged on the sleeve at intervals; the first walking mechanism comprises a first gear and a first ratchet arranged coaxially therewith, and the second walking mechanism comprises a second gear and a second ratchet arranged coaxially therewith; the first gear and the second gear are both meshed with the rack, and the pawl of the first ratchet and the pawl of the second ratchet face in opposite directions; The travel stop mechanism comprises a first stop mechanism and a second stop mechanism which are arranged on the sleeve at intervals; the first stop mechanism comprises a first stop pin installed at the first through hole and can be engaged with the first ratchet, and the second stop mechanism comprises a second stop pin installed at the second through hole and can be engaged with the second ratchet; Float: sleeved outside the sleeve, located between the first through hole and the second through hole, can float on the water surface, can move relative to the sleeve with waves, can contact with the first stop pin and the second stop pin, and the float is connected to the generator; The first stop pin is installed at the first through hole via a first spring, and the second stop pin is installed at the second through hole via a second spring; Along the length direction of the sleeve, the first stop pin is located above the second stop pin; the first stop pin includes a first pin handle and a first pin seat, the first pin seat is installed at the first through hole via a spring, and the first pin handle is bent toward the first ratchet pawl relative to the first pin seat; the second stop pin includes a second pin handle and a second pin seat, the second pin seat is installed at the second through hole via a spring, and the second pin handle is bent toward the second ratchet pawl relative to the second pin seat.

2. The oscillating float power generation device according to claim 1, characterized in that: Taking the perspective that the first stop pin is located on the right side of the first ratchet as a reference, the first ratchet pawl is oriented counterclockwise, and the second ratchet pawl is oriented clockwise.

3. The oscillating float power generation device according to claim 1, characterized in that: Double-sided racks are arranged in parallel on the limit piles; the first walking mechanism further includes a third gear coaxially arranged with the first gear, and the first gear and the third gear are respectively meshed with the double-sided racks; the second walking mechanism further includes a fourth gear coaxially arranged with the second gear, and the second gear and the fourth gear are respectively meshed with the double-sided racks.

4. The oscillating float power generation device according to claim 3, characterized in that: The first ratchet is coaxially installed between the first gear and the third gear, and the second ratchet is coaxially installed between the second gear and the fourth gear.

5. The oscillating float power generation device according to claim 1, characterized in that: Along the length direction of the sleeve, the first end and the second end thereof are radially expanded to form a first expansion portion and a second expansion portion, and the float is located between the first expansion portion and the second expansion portion.

6. The oscillating float power generation device according to claim 1, characterized in that: A pulley is arranged inside the side surface of the float opposite to the sleeve. The pulley can roll along the relative moving direction of the float and the sleeve and contact the outer wall of the sleeve.

7. The oscillating float power generation device according to claim 1, characterized in that: The sleeve is a square column, and the float has a square column hole that matches the shape of the outer wall of the sleeve and is sleeved outside the sleeve.

8. The oscillating float power generation device according to claim 1 or 7, characterized in that: A pulley is arranged along the inner wall of the sleeve, and the pulley can roll along the relative walking direction of the sleeve and the fixed pile and contact the outer wall of the fixed pile.

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