CN213540606U

CN213540606U - Ocean wave power generation device

Info

Publication number: CN213540606U
Application number: CN202022477319.7U
Authority: CN
Inventors: 徐虹; 谢永智; 林华; 赵文玉; 晁佳宣; 魏俊涛; 吕焕霖; 吴奕诚; 李林江
Original assignee: Guilin University of Technology
Current assignee: Guilin University of Technology
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-06-25
Anticipated expiration: 2030-10-28

Abstract

The utility model provides an ocean wave power generation device belongs to electricity generation technical field. The utility model discloses an ocean wave power generation device, including fixed floating platform, wherein the rotatory generator passes through change gear group and connects two-way transmission gear, and the both sides face of two-sided rack is established as the flank of tooth, and two-way transmission gear meshes with its flank of tooth in the both sides of two-sided rack; a floating supporting plate which fluctuates along with waves is arranged below the floating platform, the floating supporting plate is connected with a lever assembly, and the lever assembly penetrates through the floating platform and is connected with the double-sided rack; when the floating supporting plate fluctuates along with waves, the double-sided rack moves up and down linearly, so that the bidirectional transmission gear rotates to enable the rotary generator to generate electricity. The utility model makes full use of the fluctuation state of the wave to realize bidirectional power generation, greatly increases the power generation efficiency, and realizes more efficient utilization of the wave energy; under the condition of small waves, the power generation device still has better power generation performance and is more suitable for being used under the common small wave conditions in the sea area of China.

Description

Ocean wave power generation device

Technical Field

The utility model relates to a power generation technical field, in particular to ocean power generation technology.

Background

With the development of modern economic science and technology, the demand of human beings on energy is larger and larger, but resources reserved in the world are limited, and the production period of the resources is far from the pace of human use and exploitation, so that the development of new energy economy is a historical trend and a necessary choice in the world. In order to solve the problem of energy shortage in the current development, the imbalance problem exists between the high-speed economic development and the ecological environment. The power generation is carried out through waves, the supply pressure of non-renewable energy sources such as petroleum, coal, natural gas and the like is relieved, the service life of fossil energy is prolonged, and more time opportunities are provided for human beings to develop new energy. And the emission of gases such as carbon dioxide and the like generated after petrochemical energy is used is effectively reduced, the ecological environment is improved, and the environmental pollution is reduced. Wherein, the energy resource in the east coastal region of China is deficient, the electric load is relatively concentrated, and the demand on electric power is larger. The east coastal region has large ocean resources, so the ocean power generation technology can be used as a supplement to the power of the east coastal region.

The invention discloses a floating type mechanical power generation device, which is a Chinese invention patent application with the name of 200610032702.3 and the publication date of 2007, 7 and 18, and comprises a floater, a motor, a protective cover, a spiral mechanism, a transmission shaft and a gear. The power generation principle is as follows: the reciprocating motion of the floater is converted into the rotating motion of the screw rod, then the gear is driven to rotate, the generator is further driven to generate electricity, and the conversion from mechanical energy to electric energy is realized. In the wave fluctuation process, due to the fact that the instantaneous impact force is large, the screw threads on the screw rod and the nut are mutually interfered, relative rotation between the screw rod and the nut is influenced, and the power generation efficiency is seriously influenced.

The invention discloses a wave energy power generation device, which comprises a floating body driven by wave fluctuation, wherein one end in the length direction is a carrying end, and the other end of the floating body is inserted from the top of the floating body and extends out of a floating support surface at the bottom of the floating body; the extending direction of the rack assembly and the floating surface meet the vertical condition; a flywheel component is arranged in the shell of the floating body; the rotating shaft of the flywheel component and the rack component are arranged in the same direction. The body in-process that floats from top to bottom carries out power input through the rack and pinion structure with the rack subassembly and generates electricity, and the inside flywheel subassembly that sets up of body, the electricity generation in-process, and the flywheel subassembly rotates in the body is inside, arranges the axis of rotation and the rack subassembly syntropy of flywheel subassembly for the body is to the in-process that floats from top to bottom of wave, and the flywheel subassembly improves the body at the operating stability on wave surface, and the rotation of accessible flywheel subassembly improves. The wave energy power generation device has a quite complex internal structure, the cost is high, and the flywheel assembly is likely to be collided and damaged when the waves fluctuate up and down, so that the service life of the wave energy power generation device is short, and the overall power generation efficiency of the power generation device is not high.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, an object of the present invention is to provide an ocean wave power generation apparatus, which mainly solves the technical problem of low power generation efficiency of ocean wave, and converts the fluctuation motion of the wave into the up-and-down linear motion of a double-sided rack, and the double-sided rack drives transmission gears on the left and right sides to rotate, thereby driving the shaft of the generator to rotate; bidirectional power generation is realized by fully utilizing the fluctuation state of waves, the power generation efficiency is greatly increased, and the wave energy is utilized more efficiently; therefore, under the condition of small waves, the power generation device still has better power generation performance and is more suitable for being used under the common small wave conditions in the Chinese sea area.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

the utility model discloses an ocean wave power generation device, including fixed floating platform, be equipped with rotatory generator, change gear group, two-way transmission gear, two-sided rack and lever subassembly on the floating platform, wherein rotatory generator passes through change gear group and connects two-way transmission gear, the both sides face of two-sided rack is established to the flank of tooth, two-way transmission gear meshes with its flank of tooth in the both sides of two-sided rack; a floating supporting plate which fluctuates along with waves is arranged below the floating platform, the floating supporting plate is connected with a lever assembly, and the lever assembly penetrates through the floating platform and is connected with the double-sided rack; when the floating supporting plate fluctuates along with waves, the double-sided rack moves up and down linearly, so that the bidirectional transmission gear rotates to enable the rotary generator to generate electricity.

Compared with the prior art, this patent is undulant along with the wave through floating the layer board, drives the up-and-down linear motion of two-sided rack through the lever subassembly then, and the two-way transmission gear of meshing on the two-sided rack this moment all can take place to rotate at two-sided rack up-and-down linear motion's in-process, drives the axis of rotation of generator then and generates electricity, and two-way electricity generation is realized to the fluctuation state of make full use of wave, greatly increased the generating efficiency, realize more efficient utilization wave energy. The variable-speed gear set is connected with the bidirectional transmission gear, and the transmission ratio of the rotation of the bidirectional transmission gear is amplified, so that even if the waves are small, the bidirectional transmission gear is small, the generator still can generate power well, and therefore, under the condition of small waves, the power generation device still has good power generation performance and is more suitable for being used under the condition of small waves common in China sea areas.

Furthermore, the bidirectional transmission gear comprises two transmission gears which are arranged side by side, and the transmission gears are respectively provided with two sides of the double-sided rack and meshed with the tooth surfaces of the double-sided rack; the speed change gear set comprises two speed change gears and transmission teeth, the two speed change teeth are meshed with the transmission teeth simultaneously, the transmission ratio between the speed change teeth and the transmission teeth is 1:4, and the speed change gears and the transmission gears are connected through a transmission shaft. Therefore, the variable speed transmission ratio of the variable speed gear set is set to be 1:4, so that the power generation device has a good transmission effect, when the bidirectional transmission gear is driven to rotate under the condition of small waves, the power generation device still has a good power generation effect by amplifying the transmission ratio of the variable speed gear set, and is more suitable for being used in the sea areas of small waves in China.

Further, a ratchet clutch is arranged on a transmission shaft between the speed change gear and the transmission gear; the transmission gear of the speed change gear set is connected with the planetary gear set, the planetary gear set is connected with the rotary generator, and the rotary generator is connected with the storage battery. The ratchet clutch can avoid reverse rotation and damage to the generator and the like due to too high rotating speed, so that the power generation device is protected. The planetary gear set can ensure that the accelerated rotating shaft can be transmitted to the rotary generator at a constant rotating speed, and the storage battery stores the generated power of the generator and is certainly controlled by arranging a control board.

Furthermore, a double-rod plunger rod is arranged in the double-sided rack, a cylinder body of the double-rod plunger rod is fixed on the floating platform, a piston rod of the double-rod plunger rod is connected to the double-sided rack, the double-sided rack penetrates through the floating platform, and the double-rod plunger rod can push the double-sided rack to move up and down linearly relative to the floating platform; the double-rod plunger rod and the single-rod plunger rod are communicated with each other, a cylinder body of the single-rod plunger rod is fixed on the floating platform, and a piston rod of the single-rod plunger rod is connected with the lever assembly. Therefore, the lever assembly can compress the single-rod plunger rod (normally, a hydraulic mode is adopted to communicate the double-rod plunger rod with the single-rod plunger rod) by controlling the piston rod of the single-rod plunger rod to move, and the single-rod plunger rod transmits the pressure to the double-rod plunger rod, so that the piston rod of the double-rod plunger rod is controlled to move up and down, the piston rod of the double-rod plunger rod drives the double-sided rack to move up and down linearly, and the purpose of generating electricity is realized by driving the rotation of the bidirectional transmission gear. The up-and-down linear motion of the double-sided rack is controlled by the two piston cylinders, so that the floating supporting plate can move up and down along with the waves skillfully, the piston rod is adopted to convert the piston rod into the up-and-down linear motion of the double-sided rack through the lever assembly, the piston rod is small in size and can bear larger pressure, the bearing capacity of the lever assembly can be effectively reduced by the piston rod, the size of a required lever or a gear is also reduced, the size of the power generation device is greatly reduced, and the power generation device is convenient to popularize and apply. The other two piston cylinders are combined with each other, the oil cylinders have certain buffering and compressing functions, damage to the lever assembly and the double-sided rack during hard contact is avoided, and the service life of the power generation device is ensured.

The lever assembly comprises a support, a poking rod and a pulling rod, wherein the support is fixed on the floating platform, the middle part of the poking rod is rotatably connected to the support, one end of the poking rod is connected with a piston rod of the single-rod plunger rod, and the other end of the poking rod is connected with the pulling rod; the pulling rod passes through the floating platform and is connected to the floating supporting plate. Through the lever principle, the fluctuation along with the wave of messenger's floating support plate can drive the piston rod of the one end of poker rod and have great movement distance, consequently even if less wave, it still can make single-rod plunger rod have great stroke to satisfy the sea area use of less wave.

Furthermore, the floating platform is of a circular structure, a fixing column for fixing is arranged at the bottom of the floating platform, an annular rubber buoyancy ring is arranged at the edge of the floating platform, and an ABS resin shell covers the floating platform; and a spring set is arranged at the top of the double-sided rack. The floating platform can be installed and fixed by the fixing column, the shell is made of light ABS resin material, and the ABS resin has the advantages of high temperature resistance, corrosion resistance, light weight, low price and simplicity in manufacturing. The arrangement of the spring group provides guarantee for the up-and-down relative movement of the double-sided rack.

Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:

1. the ocean wave power generation device of the utility model fully utilizes the fluctuation state of the waves to realize bidirectional power generation, thereby greatly increasing the power generation efficiency and realizing more efficient utilization of the wave energy; under the condition of small waves, the power generation device still has better power generation performance and is more suitable for being used under the common small wave conditions in the sea area of China.

2. The utility model discloses an ocean wave power generation device, the mode of two piston cylinder combinations can promote the two-sided rack of great strength with less space dimension, can reduce the direct bearing capacity of lever subassembly effectively, and the size of required lever or gear just also reduces, has consequently reduced this power generation facility's size greatly, and this power generation facility of being convenient for popularizes and applies. The other two piston cylinders are combined with each other, the oil cylinders have certain buffering and compressing functions, damage to the lever assembly and the double-sided rack during hard contact is avoided, and the service life of the power generation device is ensured.

Drawings

Fig. 1 is a schematic structural view of the ocean wave power plant of the present invention;

FIG. 2 is a front view of the ocean wave power plant of the present invention;

FIG. 3 is a top view of FIG. 2;

fig. 4 is a right side view of fig. 2.

The device comprises a floating supporting plate 1, a floating platform 2, a lever assembly 3, a single-rod plunger rod 4, a double-sided rack 5, a speed change gear set 6, a planetary gear set 7, a rotary generator 8, a double-rod plunger rod 9, a bidirectional transmission gear 10, a fixed column 11 and a ratchet clutch 12.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The utility model discloses an ABS resin material that ABS resin shell used is one of five synthetic resin, its shock resistance, heat resistance, low temperature resistance, chemical resistance and electrical property are good, still have characteristics such as workable, goods size stability, surface gloss nature is good, easy application, it is colored, secondary processing such as surface spraying plating metal, electroplating, welding, hot pressing and bonding can also be carried out, the wide application is in industrial fields such as machinery, car, electronic apparatus, instrument, weaving and building, it is the extremely wide thermoplasticity engineering plastics of a usage. Acrylonitrile-butadiene-styrene copolymers are terpolymers composed of acrylonitrile, butadiene and styrene. The English name is acrylonitrile-butadiene-styrene copolymer, ABS for short. ABS is generally a pale yellow or milky white pellet non-crystalline resin.

As shown in fig. 1 to 4, the ocean wave power generation device of the present invention comprises a fixed floating platform 2, wherein the floating platform 2 is a circular structure, a fixed column 11 for fixing is arranged at the bottom of the floating platform 2, an annular rubber buoyancy ring is arranged at the edge of the floating platform 2, and an ABS resin shell covers the floating platform 2; float and be equipped with rotatory generator 8, change gear set 6, two-way transmission gear 10, two-sided rack 5 and lever assembly 3 on the platform 2, wherein rotatory generator 8 passes through change gear set 6 and connects two-way transmission gear 10, specifically does: the transmission gear of the speed change gear set 6 is connected with a planetary gear set 7, the planetary gear set 7 is connected with a rotary generator 8, and the rotary generator 8 is connected with a storage battery; two side surfaces of the double-sided rack 5 are set as tooth surfaces, and the bidirectional transmission gear 10 is meshed with the tooth surfaces of the double-sided rack 5 at two sides;

a floating supporting plate 1 which fluctuates along with waves is arranged below the floating platform 2, the floating supporting plate 1 is connected with a lever component 3, and the lever component 3 penetrates through the floating platform 2 and is connected with a double-sided rack 5; when the floating supporting plate 1 fluctuates with the waves, the double-sided rack 5 moves up and down linearly, so that the bidirectional transmission gear 10 rotates to enable the rotary generator 8 to generate electricity.

Specifically, the bidirectional transmission gear 10 includes two transmission gears arranged side by side, and the transmission gears are respectively provided with two sides of the double-sided rack 5 and meshed with the tooth surfaces of the double-sided rack 5; the speed change gear set 6 comprises two speed change gears and transmission teeth, the two speed change teeth are meshed with the transmission teeth simultaneously, the transmission ratio between the speed change teeth and the transmission teeth is 1:4, and the speed change gears and the transmission gears are connected through a transmission shaft; a ratchet clutch 12 is arranged on a transmission shaft between the speed change gear and the transmission gear.

Specifically, a double-rod plunger rod 9 is arranged in the double-sided rack 5, a cylinder body of the double-rod plunger rod 9 is fixed on the floating platform 2, a piston rod of the double-rod plunger rod 9 is connected to the double-sided rack 5, a spring group is arranged at the top of the double-sided rack 5, the lower portion of the double-sided rack 5 penetrates through the floating platform 2 and can move relatively, and the double-rod plunger rod 9 can push the double-sided rack 5 to move linearly up and down relative to the floating platform 2; the double-rod plunger rod 9 and the single-rod plunger rod 4 are communicated with each other, the cylinder body of the single-rod plunger rod 4 is fixed on the floating platform 2, and the piston rod of the single-rod plunger rod 4 is connected with the lever assembly 3. The lever assembly 3 comprises a support, a poke rod and a pull rod, wherein the support is fixed on the floating platform 2, the middle part of the poke rod is rotatably connected to the support, one end of the poke rod is connected with a piston rod of the single-rod plunger rod 4, and the other end of the poke rod is connected with the pull rod; the pulling rod passes through the floating platform 2 and is connected to the floating support plate 1. Wherein the floating supporting plate 1 can adopt a plastic supporting plate oscillating floater.

The utility model discloses an ocean wave power generation device, its principle is: the floating supporting plate 1 collects the kinetic energy and potential energy of sea waves, the sea waves are brought to the bidirectional transmission gear to rotate, the sea waves are converted into mechanical energy, the permanent magnet generator is used for generating electricity, and the electricity is generated and transmitted. Therefore, the up-and-down linear motion of the double-sided rack is converted by the fluctuating motion of waves, the double-sided rack drives transmission gears on the left side and the right side to rotate, so that a transmission shaft is driven to rotate, the transmission shaft drives an output gear to rotate, the output gear is meshed with a generator gear, a generator shaft is made to rotate, the conversion device converts the linear motion into the rotary motion through the process, the generator is driven to work, and power generation is achieved.

The utility model discloses when using, it is undulant along with the wave to float layer board 1, the pulling rod of connecting also fluctuates from top to bottom thereupon on the showy layer board 1, and the pulling rod one end of connecting on the pulling rod is the fluctuation distance also along with, the middle part of pulling rod is the center, one end is the up-and-down motion also thereupon in addition, drive single-rod type plunger lever 4's piston rod simultaneously, hydraulic pressure in the compression cylinder body, pressure in the single-rod type plunger lever 4 changes this moment, influence the pressure in the double-rod type plunger lever 9 thereupon and change, if the pressure of single-rod type plunger lever 4 increases, when the piston rod of control double-rod type plunger lever 9 upwards moved, then 4 pressures on the single-rod type plunger lever reduce, then the piston rod of control double-rod type plunger. At this time, the double-sided rack connected to the piston rod of the double-rod plunger rod 9 also moves linearly up and down, the two-way transmission gear 10 engaged with both sides of the double-sided rack rotates, the rotation of the two-way transmission gear 10 is accelerated by 4 times through the speed change gear set 6 and transmitted to the planetary gear set 7, and then the planetary gear set 7 smoothly drives the rotating shaft of the rotary generator 8 to generate power by rotation, and then the power is stored in a storage battery, and the rotary generator 8 can adopt an 800W three-phase ac generator. The utility model discloses in, no matter float layer board 1 upwards or downstream, all can drive two-sided rack upwards or downstream, can drive two-way transmission gear 10 in addition and rotate, consequently two-way transmission gear turns into horizontal rotation axis's rotating mechanical energy with the mechanical energy that floats layer board 1 reciprocating motion, and after increasing gear box acceleration rate and flywheel energy storage, drive permanent magnet generator rotor rotates, obtains the electric energy. When waves come, the waves push the floating support plate 1 to ascend, the floating support plate 1 drives the double-sided rack to move upwards relatively, the double-sided rack is meshed with the transmission gear, the two-way transmission gear 10 rotates, and energy is transmitted to the generator after entering a set of accelerating gear set (speed change gear set 6) to generate electricity.

Therefore the utility model discloses a lever subassembly drives the up-and-down linear motion of two-sided rack, and the two-way transmission gear of meshing on the two-sided rack this moment all can take place to rotate at two-sided rack up-and-down linear motion's in-process, drives the axis of rotation electricity generation then, and the fluctuation state of make full use of wave realizes two-way electricity generation, greatly increased generating efficiency, realizes more efficient utilization wave energy. The variable-speed gear set is connected with the bidirectional transmission gear, and the transmission ratio of the rotation of the bidirectional transmission gear is amplified, so that even if the waves are small, the bidirectional transmission gear is small, the generator still can generate power well, and therefore, under the condition of small waves, the power generation device still has good power generation performance and is more suitable for being used under the condition of small waves common in China sea areas. The variable-speed gear set is connected with the bidirectional transmission gear, and the transmission ratio of the rotation of the bidirectional transmission gear is amplified, so that even if the waves are small, the bidirectional transmission gear is small, the generator still can generate power well, and therefore, under the condition of small waves, the power generation device still has good power generation performance and is more suitable for being used under the condition of small waves common in China sea areas. The piston rod can effectively reduce the bearing capacity of the lever assembly, and the size of the required lever or gear is reduced, so that the size of the power generation device is greatly reduced, and the power generation device is convenient to popularize and apply. The other two piston cylinders are combined with each other, the oil cylinders have certain buffering and compressing functions, damage to the lever assembly and the double-sided rack during hard contact is avoided, and the service life of the power generation device is ensured.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.

Claims

1. Ocean wave power generation device, including fixed floating platform (2), its characterized in that: the floating platform (2) is provided with a rotary generator (8), a speed change gear set (6), a two-way transmission gear (10), a double-sided rack (5) and a lever assembly (3), wherein the rotary generator (8) is connected with the two-way transmission gear (10) through the speed change gear set (6), two side faces of the double-sided rack (5) are set as tooth faces, and the two-way transmission gear (10) is meshed with the tooth faces of the double-sided rack (5) at two sides; a floating supporting plate (1) which fluctuates along with waves is arranged below the floating platform (2), the floating supporting plate (1) is connected with a lever assembly (3), and the lever assembly (3) penetrates through the floating platform (2) and is connected with a double-sided rack (5); when the floating supporting plate (1) fluctuates with the waves, the double-sided rack (5) moves up and down linearly, so that the bidirectional transmission gear (10) rotates to enable the rotary generator (8) to generate electricity.

2. A sea wave power unit according to claim 1, characterized in that: the bidirectional transmission gear (10) comprises two transmission gears which are arranged side by side, the transmission gears are respectively provided with two sides of the double-sided rack (5) and are meshed with the tooth surfaces of the double-sided rack (5); the speed change gear set (6) comprises two speed change gears and transmission teeth, the two speed change gears are meshed with the transmission teeth simultaneously, the transmission ratio between the speed change gears and the transmission teeth is 1:4, and the speed change gears and the transmission gears are connected through a transmission shaft.

3. A sea wave power plant according to claim 1 or 2, characterized in that: a ratchet clutch (12) is arranged on a transmission shaft between the speed change gear and the transmission gear; the transmission gear of the speed change gear set (6) is connected with a planetary gear set (7), the planetary gear set (7) is connected with a rotary generator (8), and the rotary generator (8) is connected with a storage battery.

4. A sea wave power plant according to claim 1 or 2, characterized in that: a double-rod plunger rod (9) is arranged in the double-sided rack (5), a cylinder body of the double-rod plunger rod (9) is fixed on the floating platform (2), a piston rod of the double-rod plunger rod (9) is connected to the double-sided rack (5), the double-sided rack (5) penetrates through the floating platform (2), and the double-rod plunger rod (9) can push the double-sided rack (5) to move linearly up and down relative to the floating platform (2); the double-rod plunger rod (9) and the single-rod plunger rod (4) are communicated with each other, a cylinder body of the single-rod plunger rod (4) is fixed on the floating platform (2), and a piston rod of the single-rod plunger rod (4) is connected with the lever assembly (3).

5. A sea wave power unit according to claim 4, characterized in that: the lever assembly (3) comprises a support, a poke rod and a pull rod, wherein the support is fixed on the floating platform (2), the middle part of the poke rod is rotatably connected to the support, one end of the poke rod is connected with a piston rod of the single-rod plunger rod (4), and the other end of the poke rod is connected with the pull rod; the pulling rod passes through the floating platform (2) and is connected to the floating supporting plate (1).

6. A sea wave power unit according to claim 4, characterized in that: the floating platform (2) is of a circular structure, a fixing column (11) for fixing is arranged at the bottom of the floating platform (2), an annular rubber buoyancy ring is arranged at the edge of the floating platform (2), and an ABS (acrylonitrile butadiene styrene) resin shell covers the floating platform (2); and a spring set is arranged at the top of the double-sided rack (5).