CN219242086U

CN219242086U - Gravity center stable type water power generation device

Info

Publication number: CN219242086U
Application number: CN202223124286.3U
Authority: CN
Inventors: 童军杰; 陈均涛; 王婷玉; 黄塾槟; 王淑香; 管浩佑; 徐虎; 黄纯华; 黄赞; 颜水裕; 钟文捷; 蔡世杰; 黎锦煌
Original assignee: Guangzhou Maritime University
Current assignee: Guangzhou Maritime University
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-06-23
Anticipated expiration: 2032-11-23

Abstract

The utility model discloses a gravity center stable type water power generation device which comprises a shell component, a nano power generation component, a counterweight component, a solar power generation film, a transmission mechanism and an energy storage device. The counterweight component comprises a counterweight ball, an annular counterweight, a bungee, a spring and a cylindrical lead, wherein the counterweight ball is suitable for being placed in water, the annular counterweight is sleeved on the cylindrical lead, one end of the cylindrical lead is connected with the counterweight ball through the bungee, and the other end of the cylindrical lead is connected with one end of the transmission mechanism through the spring. The rotor generator is connected with the other end of the transmission mechanism. The nano power generation assembly is used for generating power by friction under the impact of waves. The solar power generation film is covered on the top wall of the shell. The energy storage device is respectively and electrically connected with the rotor generator, the nano power generation assembly and the solar power generation film so as to be used for storing electric energy. The utility model realizes wave motion driven generator power generation, vibration friction power generation and solar power generation, improves the energy obtaining efficiency of the power generation device and has more various power generation modes.

Description

Gravity center stable type water power generation device

Technical Field

The utility model relates to the technical field of power generation devices, in particular to a gravity center stable type water power generation device.

Background

The wave energy in the ocean has the advantages of large energy accumulation, wide distribution and the like, and is considered as a high-quality ocean resource. The low energy conversion efficiency of the wave energy power generation device is one of the problems to be emphasized.

The prior wave energy power generation device, such as the utility model patent with publication number CN115111109A, discloses a lower hanging type hydraulic wave energy power generation floating body, which comprises a floating body, a spring return hydraulic cylinder, an anchor chain and an energy conversion device, wherein the bottom of the floating body is connected with the top of a cylinder body in the spring return hydraulic cylinder through a steel cable, and a piston rod of the spring return hydraulic cylinder extends downwards and is fixed with the sea bottom through the anchor chain; the hydraulic oil way in the spring return hydraulic cylinder is connected with a hydraulic pipeline in the energy conversion device, and the output end of the hydraulic pipeline is connected with a hydraulic motor generator in the energy conversion device; the hydraulic oil way in the spring return hydraulic cylinder is connected with the oil tank.

The power generation equipment utilizes the floating body, the spring return hydraulic cylinder, the energy conversion device and the like to generate floating body mechanical energy by wave energy, and then generates hydraulic energy by the spring and drives the generator, so that the conversion from ocean wave energy to floating body mechanical energy, floating body mechanical energy to hydraulic energy and hydraulic energy to electric energy is realized. However, the power generation equipment is not provided with a counterweight device, the whole structure is relatively simple, the gravity center is unstable, the power generation equipment cannot adapt to the marine environment with larger wind waves, and the wave energy utilization mode is single, so that the utilization rate is lower.

Disclosure of Invention

The utility model mainly aims to provide a gravity center stable type water power generation device, which aims to improve the gravity center stability of the water power generation device, adapt to the marine environment with larger wind and waves and improve the utilization rate of wave energy.

In order to achieve the above object, the present utility model provides a gravity center stabilized type water power generation device, comprising:

the shell assembly comprises a shell, wherein a hollow interlayer is formed in the shell;

the balance weight assembly comprises a balance weight ball, an annular balance weight, an elastic rope, a spring and a cylindrical lead, wherein the balance weight ball is suitable for being placed in water, the annular balance weight is installed at the bottom of the hollow interlayer and sleeved on the cylindrical lead, one end of the cylindrical lead is connected with the balance weight ball through the elastic rope, and the other end of the cylindrical lead is connected with one end of the transmission mechanism through the spring;

a rotor generator connected to the other end of the transmission mechanism for converting mechanical energy into electrical energy;

the nano power generation assembly is arranged in the shell and is positioned above the rotor generator, so as to be used for jumping under the impact of waves and generating power by friction;

a solar power generation film covering the top wall of the housing for converting solar energy into electric energy; and

and the energy storage device is respectively and electrically connected with the rotor generator, the nano power generation assembly and the solar power generation film so as to store electric energy.

Optionally, the rotor generator comprises a first generator and a second generator;

the transmission mechanism comprises a first transmission rack guide rail, a second transmission rack guide rail, a first transmission gear, a second transmission gear, a first generator gear, a second generator gear, a first transmission rack, a second transmission rack, a clockwork spring and a clockwork spring rotating shaft;

the first transmission rack is arranged on the first transmission rack guide rail in a sliding mode, the second transmission rack is arranged on the second transmission rack guide rail in a sliding mode, the first transmission gear is meshed with the first transmission rack, the second transmission gear is meshed with the second transmission rack, the spring is sleeved on the spring rotating shaft, the first transmission gear and the second transmission gear are respectively fixed at two ends of the spring rotating shaft, the first transmission rack is meshed with the first generator gear, the second transmission rack is meshed with the second generator gear, and the first generator gear and the second generator gear are respectively fixed on input shafts of the first generator and the second generator through one-way bearings.

Optionally, a partition board is arranged at the upper end and the lower end of the transmission mechanism in the shell so as to form the hollow partition layer; the clockwork spring rotating shaft is supported on the partition plate through a rotating shaft support.

Optionally, the nano power generation assembly comprises a nano friction layer and a plurality of friction vibrators, wherein the nano friction layer comprises a nano friction anode layer and a nano friction cathode layer which are arranged at intervals, and the friction vibrators are arranged between the nano friction anode layer and the nano friction cathode layer.

Optionally, the friction vibrator is made of styrene, the nano friction anode layer is made of aluminum foil, and the nano friction cathode layer comprises an aluminum foil layer and a polyvinyl chloride film attached to the aluminum foil layer; the polyvinyl chloride film is in contact with the friction vibrator, the aluminum foil layer is connected with the cathode of the energy storage device through a nano power generation cathode line, and the nano friction anode layer is connected with the anode of the energy storage device through a nano power generation anode line.

In the technical scheme of the utility model, the gravity center stable type water power generation device comprises a shell component, a nano power generation component, a counterweight component, a solar power generation film, a transmission mechanism and an energy storage device. The housing assembly includes a housing having a hollow barrier formed therein. The counterweight component comprises a counterweight ball, an annular counterweight, an elastic rope, a spring and a cylindrical lead, wherein the counterweight ball is suitable for being placed in water, the annular counterweight is arranged at the bottom of the hollow interlayer and sleeved on the cylindrical lead, one end of the cylindrical lead is connected with the counterweight ball through the elastic rope, and the other end of the cylindrical lead is connected with one end of the transmission mechanism through the spring. The rotor generator is connected to the other end of the transmission mechanism for converting mechanical energy into electrical energy. The nano power generation assembly is arranged in the shell and is positioned above the rotor power generator, so as to be used for jumping and friction power generation under the impact of waves. The solar power generation film is covered on the top wall of the shell for converting solar energy into electric energy. The energy storage device is respectively and electrically connected with the rotor generator, the nano power generation assembly and the solar power generation film so as to be used for storing electric energy.

According to the water power generation device, the gravity center of the power generation device is concentrated at the bottom of the device by arranging the counterweight balls and the annular counterweight, so that the gravity center stability is improved, and the water power generation device is suitable for a marine environment with larger wind and wave. When the counterweight ball moves along with the wave, relative movement is generated, the elastic rope generates tension or loosens along with the relative movement of the counterweight ball, and when the tension is generated, the tension pulls the cylindrical lead to do downward movement, so that power is transmitted through the transmission mechanism, unidirectional rotation mechanical energy is generated, the rotating shaft of the generator is driven to rotate in one direction, and accordingly electric energy is generated. And the solar power generation film is covered on the top surface of the shell of the power generation device, so that solar power generation is realized. In addition, a set of nano power generation assembly is assembled in the device shell, so that friction power generation is realized. The utility model improves the energy obtaining efficiency of the power generation device, has more various power generation modes and improves the utilization rate of wave energy.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an embodiment of a gravity center stabilized type water power generation device according to the present utility model;

FIG. 2 is an internal structural diagram of an embodiment of a gravity center stabilized type water power generation device according to the present utility model;

FIG. 3 is a schematic diagram of a transmission mechanism of an embodiment of a gravity center stabilized type water power generation device according to the present utility model;

FIG. 4 is a schematic diagram of a nano-generating assembly in an embodiment of a gravity center stabilized type water power generation apparatus according to the present utility model;

FIG. 5 is a schematic diagram of a rotor generator in an embodiment of a gravity center stabilized type water power generation apparatus according to the present utility model;

FIG. 6 is a schematic view of another angle of a rotor generator in an embodiment of a center of gravity stabilized type water power generation apparatus according to the present utility model;

FIG. 7 is a schematic diagram illustrating the wiring of an embodiment of a gravity center stabilized type of water power generation device according to the present utility model;

FIG. 8 is a diagram showing the motion of the transmission mechanism and the counterweight assembly in an embodiment of a gravity center stabilized type water power generation device according to the utility model;

FIG. 9 is a diagram showing another movement relationship of the transmission mechanism and the counterweight assembly in an embodiment of a gravity center stabilized type water power generation device according to the utility model;

FIG. 10 is a schematic diagram of a nano-generating assembly in an embodiment of a gravity center stabilized type water power generation device according to the present utility model.

Reference numerals illustrate:

10. a housing assembly; 20. a nano power generation assembly; 30. a counterweight assembly; 40. a solar power generation film; 50. a transmission mechanism; 60. an energy storage device; 70. a rotor generator; 80. a rectifier; 11. a rotating shaft support; 12. a hollow interlayer; 13. a housing; 21. a friction vibrator; 22. a nano friction layer; 221. a nano friction anode layer; 222. a nano friction cathode layer; 31. a weight ball; 32. an annular counterweight; 33. an elastic rope; 34. a spring; 35. a cylindrical lead; 51. a first transmission gear; 52. a second transmission gear; 53. a first generator gear; 54. a second generator gear; 55. a first drive rack; 551. a first drive rack guide rail; 56. a second drive rack; 561. a second drive rack guide rail; 57. a one-way bearing; 58. a clockwork spring; 59. a clockwork spring rotating shaft; 61. a nano power generation anode wire; 62. a nano-power generation cathode line; 63. an anode wire of the rotor generator; 64. a rotor generator cathode line; 65. solar power generation film anode wires; 66. a solar power generation thin film cathode line; 68. and a storage battery.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if the meaning of "and/or" is presented throughout this document, it is intended to include three schemes in parallel, taking "a and/or B" as an example, including a scheme, or B scheme, or a scheme where a and B meet simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The utility model provides a gravity center stable type water power generation device.

Referring to fig. 1 to 6, in an embodiment of the present utility model, the gravity center stabilized type water power generation device includes a housing assembly 10, a nano power generation assembly 20, a weight assembly 30, a solar power generation film 40, a driving mechanism 50, and an energy storage device 60. The housing assembly 10 includes an outer shell 13 with a hollow barrier 12 formed within the outer shell 13. The counterweight assembly 30 comprises a counterweight ball 31, an annular counterweight 32, a bungee cord 33, a spring 34 and a cylindrical lead 35, wherein the counterweight ball 31 is suitable for being placed in water, the annular counterweight 32 is arranged at the bottom of the hollow interlayer 12 and sleeved on the cylindrical lead 35, one end of the cylindrical lead 35 is connected with the counterweight ball 31 through the bungee cord 33, and the other end of the cylindrical lead 35 is connected with one end of the transmission mechanism 50 through the spring 34. A rotor generator 70 is connected to the other end of the transmission 50 for converting mechanical energy into electrical energy. The nano-generating assembly 20 is disposed within the housing 13 above the rotor generator 70 for jumping and friction-generating electricity under the impact of waves. A solar power generation film 40 is covered on the top wall of the housing 13 for converting solar energy into electric energy. The energy storage device 60 is electrically connected to the rotor generator 70, the nano-generating assembly 20, and the solar power generation film 40, respectively, for storing electric energy.

In this embodiment, the housing 13 of the housing assembly 10 may be in a shape of an inverted truncated cone, and at least one partition board may be disposed along the height direction inside the housing to form the hollow partition layer 12, where the hollow partition layer 12 is located at the bottommost layer of the inner cavity of the housing 13. The rotor generator 70, the transmission mechanism 50, the nano-generating assembly 20, etc. may be mounted on a bulkhead. Preferably, a partition board is respectively arranged at the upper end and the lower end of the transmission mechanism 50 in the shell 13, the lower end of the transmission mechanism 50 is arranged on the lowest partition board, the upper end of the transmission mechanism 50 is arranged on the middle partition board, the rotor generator 70 is arranged on the middle partition board, a partition board can be arranged in the top of the shell 13, and the nano power generation assembly 20 is arranged on the uppermost partition board.

The number of the rotor generators 70 may be one, two or more, and is not limited herein.

In this embodiment, the energy storage device 60 may include a storage battery 68 and a rectifier 80, where the output ends of the rotor generator 70, the nano-power generation assembly 20 and the solar power generation film 40 are respectively electrically connected to the input end of the rectifier 80, and the output end of the rectifier 80 is electrically connected to the storage battery 68.

In this embodiment, the solar power generation film 40 can be fully attached to the upper surface of the device housing 13, and generate electric energy by absorbing sunlight, and store the generated electric energy into the storage battery 68 of the energy storage device 60 through the rectifier 80.

According to the water power generation device, the balance weight ball 31 and the annular balance weight 32 are arranged, and the annular balance weight 32 is assembled in the hollow interlayer 12 at the bottom of the shell 13, so that the gravity center of the power generation device is concentrated at the bottom of the device, the stability of the power generation device in water is improved, and the power generation device is suitable for a marine environment with larger wind and wave. When the weight ball 31 moves along with the wave, relative movement is generated, the elastic rope 33 generates tension or loosens along with the relative movement of the weight ball 31, and when tension is generated, the tension pulls the cylindrical lead 35 to move downwards, so that power is transmitted through the transmission mechanism 50, mechanical energy of unidirectional rotation is generated, the rotating shaft of the generator is driven to rotate in one direction, and accordingly electric energy is generated. The solar power generation film 40 is covered on the top surface of the housing 13 of the power generation device, thereby realizing solar power generation. In addition, a set of nano power generation assembly 20 is assembled in the outer shell 13 of the device, so that friction power generation is realized. The utility model improves the energy obtaining efficiency of the power generation device, has more various power generation modes and improves the utilization rate of wave energy.

To reduce energy losses to further increase the utilization of wave energy, in one embodiment, the rotor generator 70 may include a first generator and a second generator. Referring to fig. 3 to 9, the transmission mechanism 50 may include a first transmission rack rail 551, a second transmission rack rail 561, a first transmission gear 51, a second transmission gear 52, a first generator gear 53, a second generator gear 54, a first transmission rack 55, a second transmission rack 56, a mainspring 58, and a mainspring shaft 59. The first transmission rack 55 is slidably arranged on the first transmission rack guide rail 551, the second transmission rack 56 is slidably arranged on the second transmission rack guide rail 561, the first transmission gear 51 is meshed with the first transmission rack 55, the second transmission gear 52 is meshed with the second transmission rack 56, the spiral spring 58 is sleeved on the spiral spring rotating shaft 59, the first transmission gear 51 and the second transmission gear 52 are respectively fixed at two ends of the spiral spring rotating shaft 59, the first transmission rack 55 is meshed with the first generator gear 53, the second transmission rack 56 is meshed with the second generator gear 54, and the first generator gear 53 and the second generator gear 54 are respectively fixed on input shafts of the first generator and the second generator through the unidirectional bearings 57.

The power generation device can drive the first transmission rack 55 and the second transmission rack 56 to move when moving up and down along with the wave, and the rotor generator 70 connected with the first generator gear 53 and the second generator gear 54 generates power, so that the mechanical energy can be converted into electric energy through the rotor generator 70 when the power generation device moves up and down, and the conversion efficiency of the electric energy is improved.

Referring mainly to fig. 3, in this embodiment, the mainspring shaft 59 is supported on the partition plate by the shaft support 11, so that the stability of the motion of the transmission mechanism 50 can be ensured, and the stability of power generation can be improved. The rotation motion generated by the spring rotating shaft drives the rotor generator 70 to generate electricity through the transmission mechanism 50, when the elastic rope 33 is loosened, the spring 58 generates certain elastic restoring force to perform elastic restoration, generates certain rotation motion, drives the spring rotating shaft 59 to rotate, and drives the rotor generator 70 to generate electricity through the transmission mechanism 50, and the electricity generated by the rotor generator 70 is stored in the energy storage device 60.

As shown in fig. 5, the power generation device has two unidirectional bearings 57 coaxially connected to the first transmission gear 51 and the second transmission gear 52, the unidirectional bearings 57 are connected to the rotating shaft of the rotor generator 70, and the rotating shaft is locked by clockwise rotation, and rotates and idles counterclockwise, and the electric energy of the rotor generator 70, the electric energy of the nano power generation assembly 20 and the electric energy generated by the solar power generation film 40 are stored in the energy storage device 60.

In order to ensure the stability of the center of gravity of the above-water power generation device, referring to fig. 1 to 3, a through hole is formed in the bottom wall of the housing 13, and the through hole and the cylindrical lead 35 may be coaxially disposed, and the spring shaft 59 and the shaft hole of the shaft support 11 may be coaxially disposed.

Referring to fig. 2 and 10, in an embodiment, the nano-power generating assembly 20 may include a nano-friction layer 22 and a plurality of friction vibrators 21, wherein the nano-friction layer 22 includes a nano-friction anode layer 221 and a nano-friction cathode layer 222 arranged at intervals, and the friction vibrators 21 are disposed between the nano-friction anode layer 221 and the nano-friction cathode layer 222.

In this embodiment, the friction vibrator 21 may be made of styrene, the nano friction anode layer 221 may be made of aluminum foil, and the nano friction cathode layer 222 includes an aluminum foil layer and a polyvinyl chloride film adhered on the aluminum foil layer.

Further, the polyvinyl chloride film is in contact with the friction vibrator 21, the aluminum foil layer is connected with the cathode of the storage battery 68 through the nano power generation cathode line 62, and the nano friction anode layer 221 is connected with the anode of the storage battery 68 through the nano power generation anode line 61. In addition, in the present embodiment, referring mainly to fig. 6, the rotor generator 70 may be connected to the anode and cathode of the battery 68 through the rotor generator anode line 63 and the rotor generator cathode line 64; the solar power generation film 40 may be connected to the anode and the cathode of the battery 68 via the solar power generation film anode line 65 and the solar power generation film cathode line 66.

The friction power generation principle is that when the water power generation device is subjected to wave force motion, the friction vibrator 21 in the nano power generation assembly 20 generates jumping, after the friction vibrator 21 and an underlying aluminum foil are sufficiently rubbed or rubbed in a rolling way, due to the difference of the capability of attracting electrons, the friction vibrator 21 obtains electrons, is electronegative, the aluminum foil loses electrons and is electropositive, when the friction vibrator 21 vibrates and sufficiently touches the nano friction anode layer 221, the potential of the nano friction anode layer 221 is higher than that of the nano friction cathode layer 222, current flowing from the nano friction anode layer 221 to the nano friction cathode layer 222 is generated in an external circuit, when the friction vibrator 21 falls down, the electric field of the system returns to potential balance, the vibration of the friction vibrator 21 generates potential change between the nano friction anode layer 221 and the nano friction cathode layer 222, current is generated in an external circuit, and the generated electric energy is stored in the storage battery 68 through the rectifier 80.

In order to prevent seawater or rainwater from penetrating into the water power generation device to damage parts and ensure normal power generation, in one embodiment, the housing 13 may be made of a light corrosion-resistant waterproof material. The nano-generating assembly 20, the rotor generator 70, the energy storage device 60, the solar power generation film 40, etc. may be assembled on a partition plate within the housing 13 to prevent corrosion and damage caused by water intake of the nano-generating assembly 20, the rotor generator 70, the energy storage device 60, etc.

In this embodiment, the surface of the weight ball 31 may be coated with an anti-corrosion layer, and the anti-corrosion layer is made of a material for preventing corrosion of seawater and fresh water, so as to improve the service life of the weight ball 31 and prevent the weight ball 31 from corrosion and weight loss to affect the power generation efficiency.

The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. A gravity-center-stabilized type water power generation device, comprising:

2. The gravity center stabilized water power generation device of claim 1, wherein the rotor generator includes a first generator and a second generator;

3. The gravity center stabilized type water power generation device according to claim 2, wherein a partition plate is arranged in the shell at the upper end and the lower end of the transmission mechanism respectively so as to form the hollow partition layer; the clockwork spring rotating shaft is supported on the partition plate through a rotating shaft support.

4. The gravity-center-stabilized type water power generation device according to claim 1, wherein the nano power generation assembly comprises a nano friction layer and a plurality of friction vibrators, the nano friction layer comprises a nano friction anode layer and a nano friction cathode layer which are arranged at intervals, and the friction vibrators are arranged between the nano friction anode layer and the nano friction cathode layer.

5. The gravity center stable type water power generation device according to claim 4, wherein the friction vibrator is made of styrene, the nano friction anode layer is made of aluminum foil, and the nano friction cathode layer comprises an aluminum foil layer and a polyvinyl chloride film attached to the aluminum foil layer; the polyvinyl chloride film is in contact with the friction vibrator, the aluminum foil layer is connected with the cathode of the energy storage device through a nano power generation cathode line, and the nano friction anode layer is connected with the anode of the energy storage device through a nano power generation anode line.