A wave power generation device

Abstract

The present invention relates to a wave power generation device, comprising: a shell, wherein a closed working cavity is provided inside the shell; a suspension body, which is arranged in the working cavity of the shell and can move up and down relatively in the working cavity; an output part, comprising a generator and an output transmission mechanism, wherein the output transmission mechanism is partially located in the working cavity and is connected to both the suspension body and the generator, and the output transmission mechanism is used to convert the up and down movement of the suspension body into the movement of the generator; a suspension support system, which is arranged in the working cavity, wherein the suspension support system has an elastic support member, wherein the suspension support system is connected to the suspension body and is used to support the suspension body, and the elastic support member is in an elastic energy storage state, and the elastic force provided by the elastic support member is used to directly or indirectly serve as a supporting force for supporting the suspension body; when the suspension body moves relatively downward in the working cavity, the elastic support member of the suspension support part further stores energy.

Description

Technical Field

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

[0002] With the development of modern industrial production, the demand for energy is also increasing. The existing forms of power generation mainly include thermal power generation, hydropower generation, nuclear power generation, etc. Thermal power generation includes coal-fired and oil-fired power generation, etc. Its disadvantages are high cost, resource shortage, serious environmental pollution and non-renewable resources; hydropower generation requires large investment and long time to build dams, which affects the ecological balance; nuclear power generation requires large investment, serious radioactive pollution, and difficult waste storage and high cost.

[0003] To this end, people are constantly exploring and developing safe, clean and renewable new energy sources, such as wind energy, solar energy, etc. The ocean area accounts for 70% of the earth, and the wave energy of the ocean is inexhaustible. However, human beings have made little use of the ocean wave energy. If wave energy can be used, it will solve the problems of existing energy depletion, environmental pollution, large investment, high cost, and large land area.

[0004] However, the existing wave power generation device mainly places the entire device in the water, and relies on the movement of the wave water body to drive the power generation components in the power generation device to move. Most of the internal components of the device are immersed in water, which is prone to corrosion and safety problems, greatly affecting the service life of the device. At the same time, during the process of wave rise and fall, the wave power generation device can only convert the kinetic energy of the wave into electrical energy in one of the processes of wave rise or wave fall, and the energy conversion efficiency is low.

[0005] Therefore, providing a wave power generation device that is corrosion-resistant, highly safe and has high energy conversion efficiency has become an urgent problem to be solved in the field. Summary of the invention

[0006] In view of the above-mentioned shortcomings of the prior art, the technical problem to be solved by the present invention is to provide a wave power generation device that can solve the problems of corrosion, short service life and low energy conversion efficiency of the wave power generation device in the prior art.

[0007] To achieve the above-mentioned purpose, the present invention provides a wave power generation device, comprising: a shell, which is provided with a closed working cavity inside; a suspension body, which is arranged in the working cavity of the shell and can move up and down relatively in the working cavity; an output part, including a generator and an output transmission mechanism, the output transmission mechanism is partially located in the working cavity and connected to both the suspension body and the generator, the output transmission mechanism is used to convert the up and down movement of the suspension body into the movement of the generator; a suspension support system, which is arranged in the working cavity, the suspension support system has an elastic support member, the suspension support system is connected to the suspension body, and is used to support the suspension body, and the elastic support member is in an elastic energy storage state, and the elastic force provided by the elastic support member is used to directly or indirectly serve as a supporting force for supporting the suspension body; when the suspension body moves relatively downward in the working cavity, the elastic support member of the suspension support part further stores energy.

[0008] Furthermore, it also includes an internal bracket fixed in the working inner cavity of the shell, the internal bracket includes a first guide rail extending vertically along the height direction of the shell, and the suspension body cooperates with the first guide rail to perform lifting movement under the guidance of the first guide rail.

[0009] Furthermore, the suspension body is provided with a lifting roller, and the lifting roller cooperates with the first guide rail.

[0010] Further, the suspension support system includes an internal bracket and a suspension support part, the internal bracket includes at least two second guide rails arranged opposite to each other on the left and right, and the second guide rails (on the opposite inner sides are provided with guide support bevels extending in the height direction, and the distance between the guide support bevels of the two opposite second guide rails gradually narrows from top to bottom; the suspension support part includes a support frame, two pressure plates arranged opposite to each other on the left and right, and an elastic support member arranged between the two pressure plates, the two pressure plates are installed on the support frame so as to be movable linearly left and right, and the two pressure plates are respectively arranged on the guide support bevels of the two opposite second guide rails.

[0011] Furthermore, the guiding support bevel on the second guide rail is in a hyperbolic shape.

[0012] Furthermore, the elastic support member includes a pressure spring, and two ends of the pressure spring are respectively against or connected to two pressure plates.

[0013] Furthermore, the support frame of the suspension support part includes two support plates and a support rod located between the two support plates, the support plates are fixedly connected to the suspension body, and the two pressure plates are installed on the support rod through through holes.

[0014] Furthermore, the suspension body is provided with a third guide rail extending linearly in the left-right direction, and the two pressure plates in the suspension support part are installed on the third guide rail.

[0015] Furthermore, a compression roller is provided on the pressure plate of the suspension support portion, and the compression roller is located on the guiding support bevel of the second guide rail.

[0016] Furthermore, the output transmission mechanism includes a transmission belt and a transmission gear set, the transmission belt is installed on a supporting shaft, the supporting shaft is connected to the transmission gear set, the transmission belt is connected to a suspension body, the suspension body can drive the transmission belt to move during the lifting process, and the transmission belt can transmit the kinetic energy of the suspension body to the generator through the supporting shaft and the transmission gear set.

[0017] As described above, the wave power generation device according to the present invention has the following beneficial effects:

[0018] Through the shell, suspension body, suspension support system and output part, when working, the wave power generation device is placed on the water surface, and the shell floats on the water surface. When there are no waves, the support force provided by the suspension support system is equal to the weight of the suspension body, so that the suspension body is suspended in the working cavity. When the waves rise and lift the shell, due to the effect of inertia, the suspension body moves downward relatively in the working inner cavity. At this time, the elastic support parts in the suspension support system further store energy and store part of the kinetic energy of the suspension body. When the waves fall, the shell falls, and under the action of the elastic support force of the suspension support system, the suspension body moves upward relatively in the working inner cavity, and the elastic energy storage of the elastic support parts is released. Therefore, under the action of waves, the suspension body can move back and forth up and down in the working inner cavity of the shell, and then the kinetic energy of the suspension body is converted into electrical energy through the output transmission mechanism. In the wave power generation device of the present invention, the suspension body and the suspension support system are both arranged in the working inner cavity and will not contact the water outside the shell, which can prevent the components of the working inner cavity from being corroded by the water and improve the service life of the entire device; by utilizing the elastic support members in the suspension support system, the kinetic energy generated during the relative movement of the suspension body and the shell can be stored, thereby improving the conversion efficiency of the kinetic energy of the suspension body and improving the power generation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic cross-sectional view of the structure of a wave power generation device provided by the present invention.

[0020] Figure 2 It is a schematic diagram of the internal structure of a wave power generation device provided by the present invention.

[0021] Figure 3 It is a schematic diagram of the internal partial structure of a wave power generation device provided by the present invention.

[0022] Figure 4 It is a structural schematic diagram of a suspension body and a suspension support part in a wave power generation device provided by the present invention.

[0023] Figure 5It is a structural schematic diagram of a suspension body and an output transmission mechanism in a wave power generation device provided by the present invention.

[0024] Figure 6 It is a structural schematic diagram of a transmission gear set in a wave power generation device provided by the present invention.

[0025] Figure 7 It is a structural schematic diagram of an energy storage transmission mechanism in a wave power generation device provided by the present invention.

[0026] Component number description

[0027] 1 Wave power generation device

[0028] 10 Housing

[0029] 100 Working cavity

[0030] 11 Internal bracket

[0031] 110 First rail

[0032] 111 Second rail

[0033] 111A Guide support bevel

[0034] 112 Horizontal board

[0035] 12 Suspension

[0036] 120 lifting roller

[0037] 121 Third rail

[0038] 13 Suspension support

[0039] 130 Platen

[0040] 131 elastic support

[0041] 132 Support frame

[0042] 133 Support plate

[0043] 134 Support rod

[0044] 135 Compression roller

[0045] 136 Guide roller

[0046] 14 Output section

[0047] 140 Transmission belt

[0048] 141 Connecting plate

[0049] 142 Support shaft

[0050] 144 Generator

[0051] 15 Transmission gear set

[0052] 150 First driving gear

[0053] 151 First driven gear

[0054] 152 Second driving gear

[0055] 153 Transition gear

[0056] 154 Second driven gear

[0057] 155 Transition shaft

[0058] 156 One-way bearing

[0059] 157 Input shaft

[0060] 158 Output shaft

[0061] 16 Base

[0062] 17 Energy storage unit

[0063] 171 Transmission gear

[0064] 172 scroll spring

[0065] 173 Gear shaft DETAILED DESCRIPTION

[0066] The following is a description of the implementation of the present invention by means of specific embodiments. Those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0067] It should be noted that the structures, proportions, sizes, etc. drawn in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the present invention, so they have no substantial technical significance. Any modification of the structure, change of the proportional relationship or adjustment of the size should still fall within the scope of the technical content disclosed by the present invention without affecting the effects and purposes that can be achieved by the present invention. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and so on quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of the present invention. The change or adjustment of their relative relationship should also be regarded as the scope of the implementation of the present invention without substantially changing the technical content.

[0068] See also Figures 1 to 7The present invention provides a wave power generation device 1, comprising a shell 10, a suspension body 12, an output part 14 and a suspension support system. The shell 10 is provided with a closed working cavity 100; the suspension body 12 is arranged in the working cavity 100 of the shell 10 and can move up and down relatively in the working cavity 100; the output part 14 comprises a generator 144 and an output transmission mechanism, the output transmission mechanism is partially located in the working cavity 100 and is connected to the suspension body 12 and the generator 144, the output transmission mechanism is used to convert the up and down movement of the suspension body 12 into the movement of the generator 144, wherein the position where the output transmission mechanism passes through the shell 10 needs to be sealed to ensure that the working cavity 100 in the shell 10 It is closed; the suspension support system is arranged in the working inner cavity 100, and the suspension support system has an elastic support member 131, which is connected to the suspension body 12 and is used to support the suspension body 12, and the elastic support member 131 is in an elastic energy storage state, and the elastic force provided by the elastic support member 131 is used to directly or indirectly serve as a supporting force to support the suspension body 12. Specifically, if the elastic force provided by the elastic support member 131 is vertical, it can be directly used as a supporting force to support the suspension body 12. The elastic force provided by the elastic support member 131 can also be horizontal or slightly inclined to the horizontal direction. At this time, it can be converted into a vertical supporting force to support the suspension body 12 through other structures in the suspension support system. When the suspension body 12 moves relatively downward in the working inner cavity 100, the elastic support member 131 of the suspension support part 13 further stores energy.

[0069] The basic working principle of the wave power generation device 1 of the present invention is as follows: the wave power generation device 1 is placed on the water surface, the housing 10 floats on the water surface, and when there are no waves, the suspension body 12 remains relatively still in the housing 10, and the support force provided by the suspension support system is equal to the weight of the suspension body 12, so that the suspension body 12 is suspended in the working cavity. When the waves rise and lift up the housing 10, due to the inertia, the suspension body 12 moves relatively downward in the working inner cavity 100, and at this time, the elastic support member 131 in the suspension support system further stores energy, stores part of the kinetic energy of the suspension body 12, and the support force of the suspension support system on the suspension body 12 is also increased. When the waves fall, the shell 10 falls, and under the elastic support force of the suspension support system, the suspension body 12 moves upward relatively in the working inner cavity 100 of the shell 10, and the elastic energy storage of the elastic support member 131 is released, continuously driving the suspension body 12 to move upward relatively. Therefore, under the action of the waves, the suspension body 12 can vibrate up and down in the working inner cavity 100 of the shell 10, capturing the wave energy as the kinetic energy of the suspension body, and then converting the up and down movement of the suspension body 12 into the movement of the generator 144 through the output transmission mechanism, thereby converting the kinetic energy of the suspension body 12 into electrical energy. Among them, the conveying part 14 is installed on the shell 10, and the generator 144 is fixed to the shell 10. The generator 144 can be fixedly installed on the shell 10 and can move up and down with the shell 10.

[0070] The wave power generation device 1 of the present invention adopts a completely different method from the traditional wave power generation. It no longer uses the movement of the shell 10 as a float to generate electricity, but adopts the reverse oscillation method, using the shell 10 as the oscillating body to oscillate under the action of seawater. By setting the suspension body 12 and the suspension support system, the shell 10 and the suspension body 12 are made to produce relative movement to complete wave energy capture through the inertial characteristics of the suspension body 12, and the kinetic energy of the relative oscillation movement of the suspension body 12 in the shell 10 is used to generate electricity. The elastic support 131 in the suspension support system can store the kinetic energy generated during the relative movement of the suspension body 12 and the shell 10, thereby improving the wave energy capture efficiency and thus improving the power generation efficiency. The entire wave power generation device can float on the water surface and does not need to be fixed to the seabed by anchoring, saving a lot of anchoring costs and installation and deployment costs. Furthermore, since the working inner cavity 100 of the shell 10 is closed, the suspension body 12 and the suspension support system are both arranged in the working inner cavity 100, and the mechanical action is completed inside the shell 10, and will not come into contact with the water outside the shell 10, thereby preventing the components of the working inner cavity 100 from being corroded by the water, thereby improving the service life of the entire device and solving the working instability and safety problems caused by the mechanical structure contacting seawater.

[0071] In the present invention, the housing 10 can be a stainless steel housing, a resin housing with high strength and high corrosion resistance, or a housing made of other types of high strength and high corrosion resistance materials. Reasonable selection and design can be made according to actual needs, as long as the high strength and high corrosion resistance characteristics can be achieved. Wave power generation devices are generally set up on the sea surface to generate electricity, and of course they can also be set up in other waters such as lakes.

[0072] See also Figures 1 to 7 The present invention is further described below with a specific preferred embodiment:

[0073] In this embodiment, see Figure 2 , Figure 3 and Figure 4 As a preferred design, the suspension support system includes an internal bracket 11 and a suspension support portion 13. The internal bracket 11 includes at least two second guide rails 111 arranged opposite to each other. The second guide rails 111 are fixed in the housing 10, specifically fixed on the transverse plate 112. For the convenience of description, the left and right direction is taken as the width direction of the housing 10 ( Figures 1 to 4 In the X direction in the embodiment, there are four second guide rails 111, two on the left side and two on the right side, which are arranged opposite to each other. The second guide rails 111 are provided with guiding support bevels 111A extending in the height direction on the opposite inner sides, see Figure 3That is, a guide support bevel 111A is provided on the right side of the second guide rail 111 on the left side, and the guide support bevel 111A is inclined from the upper left to the lower right, and a guide support bevel 111A is provided on the left side of the second guide rail 111 on the right side, and the guide support bevel 111A is inclined from the upper right to the lower left, so that the distance between the guide support bevels 111A of the two opposite second guide rails 111 on the left and right gradually narrows from top to bottom; the suspension support part 13 includes a support frame 132, two The two pressing plates 130 are arranged opposite to each other on the left and right sides, and the elastic support member 131 is arranged between the two pressing plates 130. The two pressing plates 130 can be installed on the support frame 132 so as to be movable linearly left and right. The two pressing plates 130 are respectively arranged on the guiding support bevels 111A of the two opposite second guide rails 111, that is, the left pressing plate 130 is arranged on the guiding support bevels 111A of the left second guide rail 111, and the right pressing plate 130 is arranged on the guiding support bevels 111A of the right second guide rail 111. In this embodiment, see Figure 4 The elastic support member 131 adopts two pressure springs. The pressure springs can select suitable elastic coefficients. The two ends of the pressure springs are respectively abutted or connected to the left and right pressure plates 130. The pressure spring has a simple structure, is easy to install, and has low cost. Multiple pressure springs can be arranged between the two pressure plates 130, which can increase the service life of the entire device. Of course, the elastic support member 131 can also adopt spring sheets, or elastic air bags, air cushions and other structures that can provide elastic force and store energy. In this embodiment, the suspension support part 13 is arranged on the upper side of the suspension body 12. Of course, it can also be arranged on the lower side of the suspension body 12.

[0074] When the above suspension support system is used, the elastic force provided by the elastic support member 131 provides a lateral elastic force to the pressure plates 130 on both sides during operation, so that the pressure plates 130 are pressed against the guiding support bevel 111A, and the guiding support bevel 111A provides an upward support force to the suspension support portion 13, supporting the suspension support portion 13, so that the suspension support portion 13 can support the suspension body 12. When the suspension body 12 moves downward relative to the shell 10, it drives the suspension support portion 13 to move downward synchronously, and the left and right pressure plates 130 move downward along the guiding support bevel 111A of the second guide rail 111 on the left and right sides, respectively, and gradually approach each other, and the pressure spring is further compressed to further store energy. When the elastic force of the pressure spring is released, it will push the left and right pressure plates 130 to move in the left and right directions to separate the two sides, and the pressure plate 130 will move upward along the guiding support bevel 111A, so that the suspension support portion 13 drives the suspension body 12 to move upward. The use of such a suspension support system can ensure that the suspension body 12 can stably and reliably move up and down relative to the housing 10 in the internal bracket 11, and improve the conversion efficiency of the suspension body 12 to kinetic energy. At the same time, the suspension support part 13 is arranged along the width direction of the housing 10, which can reduce the space occupied by the suspension support part 13 in the housing 10, and can make the whole device smaller, which is more conducive to the miniaturization of the wave power generation device 1.

[0075] In this embodiment, see Figure 3 Furthermore, the guiding support bevel 111A on the second guide rail 111 is in a hyperbolic shape, so that the linear response relationship between the lateral displacement of the pressure plate 130 in the suspension support part 13 and the vertical displacement of the suspension body 12 is changed to an arc response relationship along the hyperbola, and the stroke of the suspension body 12 is increased under the same inertial acceleration, and the gravity response sensitivity of the suspension body 12 is increased, so that the suspension body 12 can also move relative to the shell 10 when the waves are very small, thereby improving the conversion efficiency of the suspension body 12 to kinetic energy. In other embodiments, the guiding support bevel 111A can also be in other shapes, such as a straight line shape, a parabolic slide rail, an involute slide rail, etc., which can be reasonably set according to actual needs.

[0076] In this embodiment, see Figure 3 and Figure 4, further preferably, the support frame 132 of the suspension support part 13 includes two support plates 133 and a support rod 134 located between the two support plates 133, the two support plates 133 are respectively fixedly connected to the left and right sides of the suspension body 12, there are two support rods 134, and they are arranged extending in the left and right directions, the two pressing plates 130 are both installed on the support rods 134 through through holes, and can move left and right along the support rods 134, and the pressure spring is sleeved on the support rods 134. The above-mentioned support frame 132 has a simple structure, and the support rods 134 can guide and constrain the movement of the pressing plates 130 and constrain the position of the pressure spring to prevent the pressure spring from loosening, thereby ensuring stable and reliable operation of the entire device.

[0077] In this embodiment, see Figure 3 and Figure 4 Further preferably, the suspension body 12 is also provided with a third guide rail 121 extending in a straight line along the left and right directions, and the two pressure plates 130 in the suspension support part 13 are both mounted on the third guide rail 121 and move along the third guide rail 121, and a guide roller 136 is provided on the pressure plate 130, and the guide roller 136 cooperates with the third guide rail 121 to reduce friction, thereby reducing energy loss, and the movement of the pressure plate 130 is further guided and constrained by the third guide rail 121 to ensure that it moves stably and smoothly to the left and right.

[0078] In this embodiment, see Figure 3 and Figure 4 Preferably, a compression roller 135 is provided on the pressure plate 130 in the thickness direction of the housing 10 (i.e., the front-to-back direction, such as Figures 1 to 4 In the Y direction), compression rollers 135 are provided on the front and rear sides of the pressure plate 130, and the pressure plate 130 is installed on the supporting bevel through the compression rollers 135. When the pressure plate 130 moves along the supporting bevel, the compression rollers 135 roll on the supporting bevel, making the movement smoother and reducing friction, thereby reducing the kinetic energy loss of the suspension body 12.

[0079] In this embodiment, see Figure 3 and Figure 4As a preferred design, the internal bracket 11 also includes a first guide rail 110 extending vertically along the height direction of the shell 10. There are four first guide rails 110, which are fixed at the four corners of the shell 10 respectively. The suspension body 12 cooperates with the first guide rails 110 and performs lifting and lowering motion under the guidance of the first guide rails 110, thereby ensuring that the relative vertical linear motion of the suspension body 12 in the shell 10 is stable and reliable, and avoiding shaking and causing collision or friction with the inner wall of the shell 10. Further, the suspension body 12 is provided with lifting rollers 120. There are four lifting rollers 120, which are respectively arranged at the four corners of the suspension body 12, front, back, left, and right. The four lifting rollers 120 cooperate with the four first guide rails 110 respectively, which can reduce the friction between the first guide rails 110 and reduce the kinetic energy loss of the suspension body 12.

[0080] In this embodiment, when the suspension body 12 is in a relatively static state in the working inner cavity 100, that is, when the support force provided by the suspension support system to the suspension body 12 is equal to the gravity of the suspension body 12, the suspension body 12 is located at the midpoint of the first guide rail 110 in the height direction (e.g. Figure 5 The suspension body 12 is located at the middle position of the working inner cavity 100 of the shell 10 in the height direction. In the moving state, the suspension body 12 can move up and down along the first guide rail 110 through the midpoint position. That is, in the static state, on the one hand, according to the gravity of the suspension body 12 itself, and on the other hand, by adjusting the state of the suspension support part 13, the suspension body 12 can be located at the midpoint position of the first guide rail 110. When the suspension body 12 is at the midpoint position of the first guide rail 110, no matter whether the suspension body 12 moves upward or downward along the first guide rail 110, the suspension body 12 can pass through the midpoint position and continuously output power through the output part 14, thereby improving the conversion efficiency of the kinetic energy of the suspension body 12.

[0081] Of course, the suspension support part 13 is not limited to the specific form in this embodiment. In other embodiments, the suspension support part 13 may also be in other forms. In addition, the suspension support system is not limited to the form of the second guide rail 111 and the suspension support part 13. In other embodiments, other structures may also be used. The suspension support system may be directly set at the bottom of the suspension body 12, and the elastic force provided by the elastic support member 131 is vertical, directly serving as a supporting force, without the need to set a pressure plate 130 and a second guide rail 111 to convert the elastic force into a vertical supporting force. For example, the elastic support member 131 may adopt a vertical compression spring, the upper end of which is directly or indirectly connected to the suspension body 12. The compression spring is compressed, and the elastic force provided directly supports the suspension body 12. The elastic support member 131 may also adopt a vertical tension spring, which is connected to the upper end of the suspension body 12 to provide an upward elastic force. These methods can also achieve the corresponding functions, but the effect is lower than the suspension support system described above in this embodiment.

[0082] In this embodiment, see Figure 5 and Figure 6 As a preferred design, the output transmission mechanism includes a transmission belt 140 and a transmission gear set 15. The transmission belt 140 is installed on a supporting shaft 142, and the supporting shaft 142 is connected to the transmission gear set 15. The transmission belt 140 is connected to the suspension body 12. The suspension body 12 can drive the transmission belt 140 to move during the lifting process. The transmission belt 140 drives the supporting shaft 142 to rotate, and then the kinetic energy of the suspension body 12 is transmitted to the generator 144 through the dynamic gear set 15. Specifically, see Figure 5 As shown, the vertical section of the transmission belt 140 is fixedly connected to the suspension body 12 through the connecting plate 141, and the transmission belt 140 is installed on one side of the interior of the housing 10 through three supporting shafts 142. Of course, the supporting shafts 142 can also be other numbers. When the suspension body 12 moves up and down under the first guide rail 110 (such as Figure 5 When the suspension body 12 moves up and down, the transmission belt 140 drives the three support shafts 142 to rotate. The support shafts 142 are converted into the rotation of the generator 144 through the transmission gear set 15, and the suspension body 12 can be moved up and down in the center position (as shown in the V direction). Figure 5 The two reverse half-torques generated above and below the suspension body 12 (as shown in the C position) are converted into full-width unidirectional torques and continuously output through the transmission gear set 15, so that the kinetic energy generated during the up and down movement of the suspension body 12 can be converted into torque output, realizing the two-way capture of wave energy and greatly improving the energy conversion efficiency.

[0083] In this embodiment, specifically, the transmission gear set 15 includes an input shaft 157 and an output shaft 158. The input shaft 157 is fixedly connected to the supporting rotating shaft 142. The input shaft 157 and the supporting rotating shaft 142 can also be an integral shaft. The output shaft 158 ​​is fixedly connected to the rotating shaft of the generator 144. The transmission gear set 15 also includes a first driving gear 150, a first driven gear 151, a second driving gear 152, a second driven gear 154 and a transition gear 153, wherein the first driving gear 150 and the second driving gear 152 are arranged on the input shaft 157 at intervals through a one-way bearing 156, the first driven gear 151 and the second driven gear 154 are arranged on the output shaft 158 ​​at intervals, and are both fixedly connected to the output shaft 158, the first driving gear 150 is meshed with the first driven gear 151, the transition gear 153 is installed on the transition shaft 155, and is arranged between the second driving gear 152 and the second driven gear 154, and keeps meshing with both, the second driving gear 152 can transmit power to the second driven gear 154 through the transition gear 153, and the transition gear 153 is arranged on the transition shaft 155. When the suspension body 12 drives the transmission belt 140 to move, the transmission belt 140 can transmit power to the input shaft 157 through the support shaft 142, and the input torque can cause the input shaft 157 to rotate.

[0084] When the input torque is positive, that is, the input shaft 157 rotates in the positive direction, the one-way bearing 156 of the first driving gear 150 is in a locked state, that is, the input shaft 157 drives the first driving gear 150 to rotate synchronously through the one-way bearing 156, and the one-way bearing 156 of the second driving gear 152 is in a free state, that is, the second driving gear 152 rotates idly on the input shaft 157, and the first driving gear 150 drives the first driven gear 151 to rotate through meshing, thereby driving the output shaft 158 ​​to rotate synchronously to output reverse torque to the outside, and the output shaft 158 ​​drives the generator 144 to work, so that the kinetic energy of the suspension body 12 is converted into electrical energy of the generator 144. When the input torque is in the reverse direction, that is, the input shaft 157 rotates in the reverse direction, the one-way bearing 156 of the second driving gear 152 is in a locked state, that is, the input shaft 157 drives the second driving gear 152 to rotate synchronously through the one-way bearing 156, and the one-way bearing 156 of the first driving gear 150 is in a free state, that is, the first driving gear 150 is idling on the input shaft 157, and the second driving gear 152 drives the second driven gear 154 to rotate in the reverse direction through the transition gear 153, thereby driving the output shaft 158 ​​to rotate in the reverse direction synchronously to output the reverse torque to the outside, and the output shaft 158 ​​drives the generator 144 to work. In summary, no matter whether the input shaft 157 rotates in the forward direction or the reverse direction, the output shaft 158 ​​drives the generator 144 to rotate in one direction, so that the kinetic energy of the suspension body 12 can be fully converted into electrical energy on the generator 144, achieving full-range output of wave energy, and improving the energy conversion efficiency of the wave power generation device 1. In addition, the output speed and torque can be preset by adjusting the number of teeth of the first driving gear 150 and the first driven gear 151 , and the number of teeth of the second driving gear 152 and the second driven gear 154 according to the load speed and load requirements of the output torque end.

[0085] Of course, the transmission gear set 15 is not limited to the above-mentioned specific structure, and the output transmission mechanism of the present invention is not limited to the form of cooperation between the above-mentioned transmission belt 140 and the transmission gear set 15. Other existing suitable mechanisms can also be used to convert the up and down movement of the suspension body 12 into the torque of the generator 144.

[0086] As a preferred design, in this embodiment, an energy storage transmission mechanism is further provided between the output shaft 158 ​​and the generator 144. The energy storage mechanism includes a volute spring 172. The number and elastic parameters of the volute spring 172 can be set according to specific circumstances. Since the waves are non-uniform, the up and down movement of the suspension body 12 is also non-continuously uniform, and the rotation of the output shaft 158 ​​is also non-continuously uniform. By providing the volute spring 172, the torque output by the output shaft 158 ​​is first stored in the volute spring 172, and then output to the generator 144 by the volute spring 172. The kinetic energy of the output shaft 158 ​​is continuously and more evenly transmitted to the generator 144 through the volute spring 172, thereby ensuring the power generation efficiency of the generator 144.

[0087] Preferably, the energy storage transmission mechanism may include a plurality of volute springs 172 with different torque magnitudes to form a progressive elastic potential energy storage system, further ensuring the power generation efficiency of the generator 144. Figure 7 The energy storage transmission mechanism includes a base 16 and at least two energy storage units 17. Each energy storage unit 17 includes a transmission gear 171, a spiral spring 172 and a gear shaft 173. The transmission gear 171 and the spiral spring 172 are concentrically sleeved on the gear shaft 173. The spiral spring 172 is arranged in the transmission gear 171. The outer end of the spiral spring 172 abuts against the gear, and the inner end of the spiral spring 172 abuts against the shaft. The gear shaft 173 of each energy storage unit 17 is arranged in parallel and rotatably arranged on the base 16 through a bearing. Adjacent energy storage units 17 are meshed with each other through their respective transmission gears 171. The number of teeth of the transmission gears 171 of each energy storage unit 17 is different, and increases monotonically along the meshing transmission direction of the transmission gear 171. The torque of the spiral spring 172 of each energy storage unit 17 is different and increases monotonically along the meshing transmission direction of the transmission gear 171. The gear shafts 173 of the energy storage units on the two sides are respectively fixedly connected to the generator 144 and the output shaft 158 ​​of the transmission gear set 15. Multiple groups of energy storage units 17 are formed by using multiple groups of volute springs 172 with different torques and transmission gears 171 with different gear ratios, and mechanical energy is accumulated step by step to the upper level in a multiplied manner, thereby realizing the storage of multiplied mechanical energy. Adjusting the gear ratio and the volute spring 172 can increase the torque compression ratio of the front and rear volute springs 172 to obtain the storage of multiplied mechanical energy.

[0088] In summary, the present invention effectively overcomes various shortcomings in the prior art and has high industrial utilization value.

[0089] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the art may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed by the present invention shall still be covered by the claims of the present invention.

Claims

1. A wave power generation device, characterized in that: include: A housing (1) having a closed working cavity (100) disposed therein; A suspension body (12) is disposed in the working inner cavity (100) of the housing (1) and is capable of relatively moving up and down in the working inner cavity (100); An output part (14) comprises a generator (144) and an output transmission mechanism, wherein the output transmission mechanism is partially located in the working inner cavity (100) and is connected to both the suspension body (12) and the generator (144), and the output transmission mechanism is used to convert the up-and-down movement of the suspension body (12) into the movement of the generator (144); A suspension support system is arranged in a working inner cavity (100), wherein the suspension support system comprises an elastic support member (131), the suspension support system is connected to a suspension body (12) and is used to support the suspension body (12), and the elastic support member (131) is in an elastic energy storage state, and the elastic force provided by the elastic support member (131) is used to directly or indirectly serve as a support force for supporting the suspension body (12); when the suspension body (12) moves relatively downward in the working inner cavity (100), the elastic support member (131) further stores energy; The suspension support system comprises an internal bracket (11) and a suspension support part (13), wherein the internal bracket (11) comprises at least two second guide rails (111) arranged opposite to each other on the left and right sides, and the second guide rails (111) are provided with guide support bevels (111A) extending in the height direction on the opposite inner sides, and the distance between the guide support bevels (111A) of the two opposite second guide rails (111) gradually narrows from top to bottom; the suspension support part (13) comprises a support frame (132), two pressure plates (130) arranged opposite to each other on the left and right sides, and an elastic support member (131) arranged between the two pressure plates (130), the two pressure plates (130) are installed on the support frame (132) in a linearly movable manner on the left and right sides, and the two pressure plates (130) are respectively arranged on the guide support bevels (111A) of the two opposite second guide rails (111).

2. The wave power generation device according to claim 1, characterized in that: It also includes an internal support (11) fixed in the working inner cavity (100) of the shell (1), the internal support (11) includes a first guide rail (110) extending vertically along the height direction of the shell (1), and the suspension body (12) cooperates with the first guide rail (110) and performs lifting movement under the guidance of the first guide rail (110).

3. The wave power generation device according to claim 2, characterized in that: The suspension body (12) is provided with a lifting roller (120), and the lifting roller (120) cooperates with the first guide rail (110).

4. The wave power generation device according to claim 1, characterized in that: The guiding support bevel (111A) on the second guide rail (111) is in a hyperbolic shape.

5. The wave power generation device according to claim 1, characterized in that: The elastic support member (131) comprises a pressure spring, and two ends of the pressure spring are respectively against or connected to the two pressure plates (130).

6. The wave power generation device according to claim 1, characterized in that: The support frame (132) of the suspension support part (13) comprises two support plates (133) and a support rod (134) located between the two support plates (133); the support plate (133) is fixedly connected to the suspension body (12); and the two pressing plates (130) are mounted on the support rod (134) via through holes.

7. The wave power generation device according to claim 1, characterized in that: The suspension body (12) is also provided with a third guide rail (121) extending linearly in the left-right direction, and the two pressing plates (130) in the suspension support part (13) are both mounted on the third guide rail (121).

8. The wave power generation device according to claim 1, characterized in that: A compression roller (135) is provided on the pressure plate (130) of the suspension support portion (13), and the compression roller (135) is located on the guide support bevel (111A) of the second guide rail (111).

9. The wave power generation device according to claim 1, characterized in that: The output transmission mechanism comprises a transmission belt (140) and a transmission gear set (15); the transmission belt (140) is mounted on a supporting shaft (142); the supporting shaft (142) is connected to the transmission gear set (15); the transmission belt (140) is connected to a suspension body (12); the suspension body (12) can drive the transmission belt (140) to move during the lifting process; the transmission belt (140) can transmit the kinetic energy of the suspension body (12) to the generator (144) via the supporting shaft (142) and the transmission gear set (15).

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