阅读说明：本技术 一种基于浮式风机的综合抗波发电装置 (Comprehensive wave-resistant power generation device based on floating fan ) 是由 窦培林 李秀 赵世发 杨豪杰 张晓柳 徐瑞 于 2020-12-24 设计创作，主要内容包括：本发明公开了一种基于浮式风机的综合抗波发电装置,包括风力发电机,风力发电机周围设置吸波发电装置,吸波发电装置的外侧设置海流发电装置；所述吸波发电装置通过内部的吸波浮子吸收海浪能量,所述海流发电装置通过内部的涡轮叶片吸收海浪能量。本发明合理结合了三种发电装置,共用一套系泊、定位、海缆输送系统,大大的提高了单位海域清洁能源的利用率；此外,风机平台的特殊结构为大大的提高了整个系统的稳定性,为系统的安全工作提供了保障,本发明适应多种海况,机构灵活,发电效率高,发电稳定。(The invention discloses a comprehensive wave-resistant power generation device based on a floating fan, which comprises a wind driven generator, wherein a wave-absorbing power generation device is arranged around the wind driven generator, and an ocean current power generation device is arranged outside the wave-absorbing power generation device; the wave-absorbing power generation device absorbs wave energy through an internal wave-absorbing floater, and the ocean current power generation device absorbs wave energy through internal turbine blades. The invention reasonably combines three power generation devices, and shares a set of mooring, positioning and submarine cable conveying system, thereby greatly improving the utilization rate of clean energy in unit sea area; in addition, the special structure of the fan platform greatly improves the stability of the whole system and provides guarantee for the safe work of the system.)

1. A comprehensive wave-resistant power generation device based on a floating fan is characterized by comprising a wind driven generator (1), wherein wave-absorbing power generation devices (21) are arranged around the wind driven generator (1), and ocean current power generation devices (3) are arranged on the outer sides of the wave-absorbing power generation devices (21); the wave-absorbing power generation device (21) absorbs wave energy through an internal wave-absorbing floater, and the ocean current power generation device (3) absorbs wave energy through internal turbine blades.

2. The floating wind turbine-based comprehensive wave-resistant power generation device as claimed in claim 1, wherein the wind driven generator (1) comprises a tower (4), blades (12), a first hub (13), a power generator (16) and an empennage (18) which are arranged on a wind turbine support (22), the blades (12) are arranged around the first hub (13), the blades (12) drive the first hub (13) to rotate, the first hub (13) is connected with the power generator (16), and the empennage (18) is arranged on the back of the blades.

3. The integrated wave-resistant power generation device based on the floating wind turbine as claimed in claim 2, wherein the first hub (13) is provided with a first conical air guide sleeve (11).

4. The comprehensive wave-resistant power generation device based on the floating fan as claimed in claim 1, wherein at least three wave-absorbing power generation devices (21) are arranged, and are sequentially connected and respectively connected with the wind driven generator (1); the ocean current power generation devices (3) are at least two and are connected with the wind driven generator (1) or the wave-absorbing power generation device (21) through mooring cables (52).

5. The comprehensive wave-resistant power generation device based on the floating fan as claimed in claim 1, wherein the wave-absorbing power generation device (21) comprises a stand column (211), a wave-absorbing sleeve (213), a wave-absorbing floater (212) and a linear generator, wherein the wave-absorbing floater (212) is connected below the wave-absorbing sleeve (213), and the wave-absorbing sleeve (213) is arranged outside the stand column (211) and can move up and down along the stand column to drive the generator to generate power; the wave-absorbing sleeve (213) is provided with an opening.

6. The floating wind turbine-based comprehensive wave-resistant power generation device as claimed in claim 5, wherein the linear generator comprises a generator stator (215) fixed on the column and a generator rotor (214) fixed on the wave-absorbing sleeve (213), and a buffer spring (216) is arranged between the generator stator (215) and the wave-absorbing sleeve (213).

7. The integrated wave-resistant power generation device based on the floating wind turbine as claimed in claim 1, wherein the ocean current power generation device (3) comprises a flow collecting cover (31) arranged on a support base (39), a second hub (33) and turbine blades (34), the turbine blades (34) are arranged around the second hub (33), the flow collecting cover (31) is arranged outside the turbine blades (34) and the second hub (33), and the flow collecting cover (31) is in a spindle shape with a small middle and two large ends.

8. The integrated wave-resistant power generation device based on the floating wind turbine as claimed in claim 7, wherein the second hub (33) is provided with a second conical air guide sleeve (32).

9. The floating wind turbine-based integrated wave-resistive power generation device according to claim 2, wherein the wind turbine support (22) comprises a support platform (221), a ballast tank (225) and a support truss (223) arranged between the support platform (221) and the ballast tank (225); the supporting trusses (223) are connected through oblique steel bars (222), and lifting plates (224) are arranged between the trusses in the horizontal direction.

10. The floating wind turbine-based integrated wave-resistive power generation device of claim 9, wherein the ballast tank (225) is filled with a flexible medium, such that the device center-of-gravity and center-of-buoyancy distance is increased.

Technical Field

The invention relates to a power generation device, in particular to a comprehensive anti-wave power generation device based on a floating fan.

Background

In the background of early economic development, thermal power generation is a main power generation form, and provides strong power for economic development, but at the same time, the thermal power generation also brings great burden to the environment. Under the large background of energy conservation and environmental protection, clean energy power generation is developed successively. Wind energy, wave energy and ocean current energy are gradually developed by people as main energy situations of ocean energy, and the three power generation modes comprise technologies of mooring, positioning, submarine cable power transmission and the like, so that the possibility is provided for a combination scheme of saving cost and improving economic benefit.

The prior art has the following defects: the existing power generation mode combining wind energy and sea wave energy cannot fully utilize the energy of sea waves; the fan and the sea wave power generation device are taken as a whole, the equipment volume is large, the applicability to external environment factors such as seabed shape is poor, and uncertain factors exist in stability.

Disclosure of Invention

The purpose of the invention is as follows: the invention aims to provide a comprehensive wave-resistant power generation device based on a floating type fan, which integrates wind energy, wave energy and ocean current energy.

The technical scheme is as follows: the comprehensive wave-resistant power generation device based on the floating fan comprises a wind driven generator, wherein wave-absorbing power generation devices are arranged around the wind driven generator, and ocean current power generation devices are arranged on the outer side of the wave-absorbing power generation devices; the wave-absorbing power generation device absorbs wave energy through an internal wave-absorbing floater, and the ocean current power generation device absorbs wave energy through internal turbine blades.

The wind driven generator comprises a tower barrel, blades, a first hub, a generator and an empennage, wherein the tower barrel, the blades, the first hub, the generator and the empennage are arranged on a fan support, the blades are arranged around the first hub, the blades drive the first hub to rotate, the first hub is connected with the generator, and the empennage is arranged on the back of the blades.

And a first conical air guide sleeve is arranged on the first hub.

The wave-absorbing power generation devices are at least three and are sequentially connected with each other and respectively connected with the wind driven generator; the ocean current power generation devices are at least two and are connected with the wind driven generator or the wave-absorbing power generation device through mooring cables.

The wave-absorbing power generation device comprises an upright post, a wave-absorbing sleeve, a wave-absorbing floater and a linear generator, wherein the wave-absorbing floater is connected below the wave-absorbing sleeve, and the wave-absorbing sleeve is arranged outside the upright post and can move up and down along the upright post to drive the generator to generate power; the wave-absorbing sleeve is provided with an opening.

The linear generator comprises a generator stator fixed on the stand column and a generator rotor fixed on the wave-absorbing sleeve, and a buffer spring is arranged between the generator stator and the wave-absorbing sleeve.

The ocean current power generation device comprises a flow collecting cover, a second hub and turbine blades, wherein the flow collecting cover, the second hub and the turbine blades are arranged on the supporting seat, the turbine blades are arranged on the periphery of the second hub, the flow collecting cover is arranged outside the turbine blades and the second hub, and the flow collecting cover is in a spindle shape with a small middle and two large ends.

The second hub is provided with a conical second air guide sleeve.

The fan support comprises a supporting platform, a ballast tank and a supporting truss arranged between the supporting platform and the ballast tank; the supporting trusses are connected through oblique steel bars, and lifting plates are arranged between the trusses along the horizontal direction.

The ballast tank is filled with a flexible medium, so that the distance between the center of gravity and the floating center of the device is increased.

Has the advantages that: compared with the prior art, the invention has the following remarkable advantages:

the invention reasonably combines three power generation devices, and shares a set of mooring, positioning and submarine cable conveying system, thereby greatly improving the utilization rate of clean energy in unit sea area; in addition, the special structure of the fan platform greatly improves the stability of the whole system and provides guarantee for the safe work of the system.

The fan is provided with the empennage, so that the fan can face the windward side under the action of wind power, and the running efficiency of the wind driven generator is ensured; in addition, the wind energy speed regulating mechanism is arranged inside the fan, so that the rotating speed of the hub is stable, the abrasion and the power generation efficiency of the generator are reduced, and the service life of the fan is prolonged. The fan support adopts a unique structure, separates the platform from the ballast tank, increases the distance between the floating center and the gravity center, and improves the stability of the structure; in addition, the heave plates arranged between the two plates improve the vertical damping and increase the stability of the system.

The wave-absorbing floater is positioned on the sea surface, so that wave energy can be absorbed more effectively, and the power generation efficiency is improved; in addition, the device can absorb the energy of waves and improve the wave resisting capability of the whole system.

The whole system is moored by utilizing the gravity of the ocean current power generation device, so that the mooring cost is reduced; secondly, the system provides location and electric power transmission submarine cable for ocean current power generation facility, has reduced overall cost.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a mooring diagram of a shallower sea power plant;

FIG. 3 is a layout of a strait power plant;

FIG. 4 is a block diagram of a wind power generator according to the present invention;

FIG. 5 is an external view of the wave-absorbing power generation device of the present invention;

FIG. 6 is a cross-sectional view of the wave-absorbing power generation assembly of the present invention;

FIG. 7 is a block diagram of a fan mount of the present invention;

FIG. 8 is a front view of the ocean current generator of the present invention;

fig. 9 is a cross-sectional view of an ocean current generator of the present invention.

Detailed Description

The technical scheme of the invention is further explained by combining the attached drawings.

As shown in fig. 1, the whole system comprises three systems of a wind driven generator 1, a semi-submersible wave-absorbing power generation device 21, a current power generation device 3 with a dome and the like, and related connection and mooring modes. The wave-absorbing power generation device 21 is arranged around the wind driven generator 1, and the ocean current power generation device 3 is arranged outside the wave-absorbing power generation device 21. The wave-absorbing power generation devices 21 are at least three and are sequentially connected and respectively connected with the wind driven generator 1, and the ocean current power generation devices 3 are at least two and are connected with the wind driven generator 1 or the wave-absorbing power generation devices 21 through mooring cables 52.

In the embodiment, the wind driven generator 1 is moored to the seabed by 51-tension mooring lines, the wind driven generator foundation is divided into a fixed type and a floating type, the floating type comprises a SPAR and a semi-submersible type, and the wind driven generator foundation in the embodiment is an improved structure based on the SPAR type. Three ocean current power generation devices 3 and three wave-absorbing power generation devices 21 are respectively arranged. The wave-absorbing power generation device 21 is arranged around the wind driven generator 1 in an equilateral triangle shape, is connected with the fan support 22 through a truss and is connected with each other. The ocean current power generating device 3 is connected with two wave-absorbing power generating devices 21 through mooring lines 52 and enables the wave-absorbing power generating devices to face different directions. The structure is suitable for the power generation device to be installed in deep and far sea, and the whole device can be regarded as improved semi-submersible mooring, so that the wave impact of the deep and far sea can be better resisted, and the foundation stability is enhanced; the ocean current generators are arranged in multiple directions, so that the power generation stability of the whole power generation device is improved.

In another embodiment, as shown in fig. 2, when the power plant is installed in a shallow sea, the base 39 of the ocean current power plant 3 is moored with the platform ballast tanks 225 by mooring lines 52, and the whole system can be regarded as a SPAR (mono-pole platform) foundation and a multi-point mooring is adopted. The rest of the structure is the same as the previous embodiment. The structure reduces the installation difficulty and simultaneously does not influence the power generation efficiency of the whole device, and the ocean current power generation device is arranged in multiple directions, so that the power generation stability of the whole power generation device is improved.

In another embodiment, as shown in fig. 3, when the power generation device is installed at the strait, the flow direction of the ocean current is stable, and the ocean current power generation devices 3 can be arranged in a single direction, so as to improve the power generation efficiency.

The specific structure of each device of the above embodiments is shown in fig. 4 to 9.

The wind driven generator 1 comprises a tower 4 arranged on a wind turbine support 22, a first air guide sleeve 11, a first hub 13, blades 12, a nacelle shell 14, a wind energy speed regulating mechanism 15, a generator 16, a tail rod 17, a tail wing 18, a support 19, a rotating shaft 20, a tower rod 21 and the like. The wind turbine support 22 is provided with a tower 4, the top of the tower is connected with a cabin through a rotating wheel 20 and a support 19 in sequence, and the cabin comprises a generator 16 arranged in the middle, a cabin shell 14 at one end of the generator and a first hub 13 at the other end of the generator. The blades 12 are connected to the first hub 13 to rotate the first hub 13, thereby converting wind energy into mechanical energy to drive the generator 16 in the nacelle to generate electricity. The first fairing 11 is located in front of the first hub 13 and directs the oncoming sea wind towards the blades 12, thereby improving fan efficiency. A wind energy speed regulating mechanism 15 is arranged between the generator 16 and the first hub 13, and the wind energy speed regulating mechanism 15 can control the running speed of the fan so as to ensure the normal running of the fan in extreme weather. The nacelle shell 14 is used to protect the internal structure of the wind turbine, and a tail boom 17 is attached to the rear of the nacelle shell 14 to connect the nacelle to a tail fin 18. The tail wing 18 is parallel to the tower pole 21, and the wind power drives the fan to rotate through the rotary wheel 20, so that the fan is positioned on the windward side.

The wave-absorbing power generation device 21 absorbs the energy of sea waves through an internal wave-absorbing floater, and the ocean current power generation device 3 absorbs the energy of sea waves through internal turbine blades.

The wave-absorbing power generation device 21 is composed of a stand column 211, a wave-absorbing sleeve 213, a wave-absorbing floater 212, a buffer spring 216, a linear generator stator 215 and a linear generator rotor 214. The linear generator stator 215 is fixed on the upright post 211, the linear generator rotor 214 is fixed on the upper portion of the wave-absorbing sleeve 213 and sleeved on the upright post 211, and a buffer spring 216 is arranged between the stator and the sleeve, so that the buffer effect is realized, and the service life of the equipment is prolonged. And a wave absorbing floater 212 is arranged below the wave absorbing sleeve 213 and used for absorbing wave energy to enable the wave absorbing sleeve 213 to move up and down, so that a linear generator rotor 214 is driven to move to be matched with a linear generator stator 215 to generate power. The wave-absorbing sleeve 213 is windowed on the side surface so that the upright post 211 of the wave-absorbing power generation device 21 is connected with the fan support 22 through the truss 23.

The fan mount 22 includes a fan support platform 221, support bars 223, support trusses 222, heave plates 224, ballast tanks 225, and the like. The support platform 221 is provided with support rebars 223 at a lower portion thereof for connecting the support platform 22 to the ballast tank 225. The support steel bars 223 are interrupted by lifting plates 224 which can be connected in a welding mode, and the lifting plates 224 improve the vertical damping of the mechanism and increase the stability of the mechanism. Support trusses 222 are disposed between the support bars 223 to improve the strength of the mechanism. The ballast tank 225 can be filled with fillers such as seawater and sand to increase the distance between the center of gravity and the floating center of the whole system and improve the stability of the mechanism. The wave-absorbing power generation device 21 is connected with the fan support 22 through a truss 23 (the upright column 221 of the wave-absorbing power generation device 21 is connected with the fan support platform 221 of the fan support 22).

The ocean current power generation device 3 with the air guide sleeve comprises the air guide sleeve 31, a power generation system, support legs 39 and the like. The current collecting cover 31 is positioned outside the power generation system to collect ocean current to improve the power generation efficiency, and the supporting legs 39 are positioned outside the current collecting cover 31 and contact with the seabed to play a supporting role; the power generation system comprises a second air guide sleeve 32, turbine blades 34, a hub 33, a cabin shell 37, an ocean current energy speed regulating mechanism 35, a generator 36 and the like, wherein the air guide sleeve 32 is located in front of the turbine blades 34 and plays a role in fixing the blades on one hand and guiding ocean current to the blades on the other hand; the turbine blades 34 are connected to the second hub 33, the blades drive the second hub 33 to rotate, ocean current energy is converted into mechanical energy, the second hub 33 is connected with the ocean current energy speed regulating mechanism 35, the movement speed of the second hub 33 is regulated to be proper, the generator is driven to work more efficiently, the mechanical energy is converted into electric energy, and the cabin shell 37 is arranged outside the generator 36 and plays a role in protection; the whole power generation system is in a spindle shape so as to ensure the normal circulation of ocean current.