CN215672545U - Yaw system and floating offshore wind driven generator - Google Patents
Yaw system and floating offshore wind driven generator Download PDFInfo
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- CN215672545U CN215672545U CN202122354675.4U CN202122354675U CN215672545U CN 215672545 U CN215672545 U CN 215672545U CN 202122354675 U CN202122354675 U CN 202122354675U CN 215672545 U CN215672545 U CN 215672545U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/727—Offshore wind turbines
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Abstract
The utility model provides a yaw system and a floating offshore wind driven generator, wherein the yaw system is used for supporting a fan main body to generate electricity and comprises a single-point mooring component and a plurality of floating bodies, the fan main body can be arranged on the single-point mooring component, the plurality of floating bodies are arranged on the circumferential outer side of the fan main body and can rotate around the single-point mooring component, each floating body can float on the water surface, the bottom end of each floating body is provided with a dynamic positioning component, and each dynamic positioning component can drive the corresponding floating body to drive the fan main body to rotate relative to the single-point mooring component. By adopting the structure, each dynamic positioning component can drive each floating body and the fan main body to deflect together so as to realize the wind alignment of the floating offshore wind driven generator; each floating body is indirectly contacted with the load of the fan main body, so that the yawing system can bear stronger load, and the application requirement of the floating offshore wind driven generator is met.
Description
Technical Field
The utility model relates to the technical field of wind power generation, in particular to a yaw system and a floating offshore wind driven generator.
Background
Offshore wind power generation is a novel power generation mode for generating power by utilizing offshore wind resources, and due to the special environment of the ocean, the offshore wind direction can be changed frequently, and the offshore wind turbine needs to have strong stability and steering capacity along with the interference of sea waves, tides and the like.
The floating offshore wind turbine is generally used in deep and offshore areas, the wind speed of the deep and offshore areas is high, the environmental conditions are severe, the load borne by the wind turbine is large, and the floating offshore wind turbine in the prior art mainly adopts a traditional bearing type yawing system so as to fix the wind turbine on the sea level.
Along with the development of large-scale fan, the size and the load of the fan increase, the traditional bearing type yaw system also needs to increase the size and strengthen the stability of the structure so as to meet the application requirements of the fan, but the yaw system can bear limited load, the cost for increasing the size and strengthening the stability is higher, and the application requirements of the fan cannot be better met.
Therefore, how to provide a yawing system capable of meeting the application requirements of a floating offshore wind turbine is a technical problem to be solved urgently by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a yawing system capable of meeting application requirements of a floating offshore wind turbine.
In order to solve the technical problem, the utility model provides a yawing system for supporting a fan main body to generate power, wherein the yawing system comprises a single-point mooring component and a plurality of floating bodies, the fan main body can be arranged on the single-point mooring component, the plurality of floating bodies are arranged on the circumferential outer side of the fan main body and can rotate around the single-point mooring component, each floating body can float on the water surface, the bottom end of each floating body is provided with a dynamic positioning component, and each dynamic positioning component can drive the corresponding floating body to drive the fan main body to rotate relative to the single-point mooring component.
By adopting the structure, each dynamic positioning component can drive each floating body and the fan main body to deflect together so as to realize the wind alignment of the floating offshore wind driven generator; each floating body is indirectly contacted with the load of the fan main body, so that the yawing system can bear stronger load, and the application requirement of the floating offshore wind driven generator is met.
Optionally, the single point mooring component is secured by a number of mooring anchor chains secured to the seabed.
Optionally, the single point mooring assembly is connected with an electrical cable through which the wind turbine body can deliver electrical power.
Optionally, the single point mooring component is connected with a plurality of mooring anchor chains and cables, and the single point mooring component can cut off the connection with the plurality of mooring anchor chains and cables.
Optionally, each of the powered positioning assemblies has a backup energy source.
Optionally, the dynamic positioning assembly is any one or more combination of a rotary propeller, a rudder propeller, an in-line propeller, or a water jet.
Optionally, each floating body is correspondingly provided with a plurality of dynamic positioning assemblies.
The utility model also provides a floating offshore wind turbine, which comprises a wind turbine main body and a yawing system, wherein the yawing system is the yawing system described above.
Optionally, the wind turbine main body comprises a wind turbine and a tower drum, the wind turbine is mounted at the top end of the tower drum, and the bottom end of the tower drum is fixed to the single-point mooring component.
Drawings
Fig. 1 is a schematic structural view of a floating offshore wind turbine according to an embodiment of the present invention.
The reference numerals in fig. 1 are explained as follows:
1 single point mooring component, 2 floating bodies, 3 dynamic positioning components, 4 mooring anchor chains, 5 cables, 6 fans, 7 towers, 8 water surfaces and 9 seabed.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a floating offshore wind turbine according to an embodiment of the present invention.
The embodiment of the utility model provides a yaw system which is used for supporting a fan main body to generate electricity and comprises a single-point mooring component 1 and a plurality of floating bodies 2, wherein the fan main body can be arranged on the single-point mooring component 1, the floating bodies 2 are arranged on the circumferential outer side of the fan main body and can rotate around the single-point mooring component 1, each floating body 2 can float on the water surface 8, the bottom end of each floating body is provided with a dynamic positioning component 3, and each dynamic positioning component 3 can drive the corresponding floating body 2 to drive the fan main body to rotate relative to the single-point mooring component 1.
By adopting the structure, each dynamic positioning component 3 can drive each floating body 2 and the fan main body to deflect together so as to realize the wind alignment of the floating offshore wind driven generator; each floating body 2 is indirectly contacted with the load of the fan main body, so that the yawing system can bear stronger load, and the application requirement of the floating offshore wind driven generator is met.
As shown in fig. 1, in the present embodiment, three floating bodies 2 are provided, each floating body 2 is uniformly disposed on the circumferential outer side of the fan main body, the bottom end of each floating body 2 is provided with one dynamic positioning component 3, and each dynamic positioning component 3 can independently drive the corresponding floating body 2 to move in a predetermined direction.
When the offshore wind direction changes, the fan main body needs to turn to in order to satisfy the power generation demand by yawing correspondingly, and each power positioning component 3 can drive the corresponding floating body 2 to move towards the preset direction at the moment, so that the fan main body is driven to rotate clockwise or anticlockwise, and the power generation demand of the fan main body is satisfied by wind.
In the embodiment, the power positioning assembly 3 is driven by electric power, so that the oil leakage problem of a traditional yaw system driven by gasoline or diesel oil is avoided, and the operation and maintenance cost of the floating offshore wind turbine can be reduced.
Because the fan main body is installed in single point mooring component 1, single point mooring component 1 bears the main load of fan main body, and each body 2 only indirectly bears the partial load of fan main body, can effectively improve yaw system's load adaptability, can bear more abominable marine environment and fan main body that volume, weight are bigger.
It can be understood that the yawing system can further include other numbers of floating bodies 2 and dynamic positioning assemblies 3, the same floating body 2 can also be provided with more than one dynamic positioning assembly 3, and each floating body 2 can also be arranged at other circumferential positions of the fan main body.
The single point mooring component 1 in this embodiment is secured by a number of mooring anchor chains 4 secured to the seabed 9.
Referring to fig. 1, the bottom end of the single-point mooring component 1 is connected with a plurality of mooring anchor chains 4, and each mooring anchor chain 4 fixes the single-point mooring component 1 at a predetermined position through multi-point positioning.
In this embodiment, the single point mooring component 1 is connected with a cable 5, and the fan body can transmit power through the cable 5. After the fan main body generates power, the power can be output through the cable 5.
In the embodiment, the single-point mooring component 1 can also actively cut off the connection with a plurality of mooring anchor chains 4 and cables 5; each dynamic positioning assembly 3 has a back-up power source that can operate independently without disengaging the cable 5.
Because showy formula offshore wind power generation machine mainly is applied to deep and far sea area, extremely abominable weather condition probably appears in this region, make showy formula offshore wind power generation machine unable operation damage even, under this kind of abominable operating mode, single point mooring subassembly 1 can initiatively break off with mooring anchor chain 4 and cable 5's connection, and correspond body 2 and move to same direction common through each power positioning component 3 drive, power positioning component 3 supplies energy through the stand-by energy source this moment, realize showy formula offshore wind power generation machine's initiative navigation, break away from the fixed site of former place, keep away from extremely abominable weather range, in order to guarantee showy formula offshore wind power generation machine's structural safety.
In addition, in the process of installing or replacing the fixing points of the floating offshore wind turbine, the floating offshore wind turbine can also drive to actively sail by utilizing the power positioning component 3, so that the number of ships needing to be dragged is reduced, and the cost of installing or replacing the fixing points is indirectly reduced.
The dynamic positioning component 3 in this embodiment may be any one or more combination of a rotary propeller, a rudder propeller, an in-line propeller or a water jet propeller, and can be freely selected according to the needs of practical application.
An embodiment of the present invention further provides a floating offshore wind turbine, including a wind turbine main body and a yaw system, where the yaw system is the above-described yaw system, and the yaw system has the above technical effects, so that the floating offshore wind turbine including the yaw system should also have the same technical effects, and therefore, the details are not repeated herein.
The wind turbine main body comprises a wind turbine 6 and a tower drum 7, the wind turbine 6 is installed at the top end of the tower drum 7, and the bottom end of the tower drum 7 is fixed on the single-point mooring component 1.
In the prior art, the power positioning component of the conventional yaw system is usually disposed at the top end of the tower cylinder 7, that is, at a position close to the wind turbine 6, so as to drive the wind turbine main body to wind when the wind direction changes, referring to fig. 1, after the yaw system of the embodiment is adopted, the power positioning component 3 is disposed on the floating body 2, that is, the power positioning component moves down from the top of the tower cylinder 7 to the bottom of the tower cylinder 7, so that the volume and the weight of the top of the tower cylinder 7 are reduced, the load caused by the inertia of the top of the tower cylinder 7 is effectively reduced, an optimized space is provided for the top of the tower cylinder 7 and the supporting structure, and the cost of the floating offshore wind turbine is further reduced.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.
Claims (9)
1. The utility model provides a yaw system for support fan main part generates electricity which characterized in that: the yaw system comprises a single-point mooring component (1) and a plurality of floating bodies (2), the fan body can be installed on the single-point mooring component (1), the floating bodies (2) are arranged on the circumferential outer side of the fan body and can rotate around the single-point mooring component (1), each floating body (2) can float on the water surface (8), a dynamic positioning component (3) is arranged at the bottom end of each floating body, and each dynamic positioning component (3) can drive the corresponding floating body (2) to drive the fan body to rotate relative to the single-point mooring component (1).
2. The yawing system of claim 1, wherein: the single point mooring component (1) is fixed through a plurality of mooring anchor chains (4) fixed on a seabed (9).
3. The yawing system of claim 1, wherein: the single-point mooring component (1) is connected with a cable (5), and the fan body can transmit power through the cable (5).
4. A yawing system according to any of claims 1-3, wherein: the single-point mooring component (1) is connected with a plurality of mooring anchor chains (4) and cables (5), and the single-point mooring component (1) can be disconnected with the plurality of mooring anchor chains (4) and the cables (5).
5. A yawing system according to any of claims 1-3, wherein: each of the dynamic positioning assemblies (3) has a backup energy source.
6. A yawing system according to any of claims 1-3, wherein: the dynamic positioning component (3) is any one or combination of a rotary propeller thruster, a rudder propeller thruster, an embedded thruster or a water-jet thruster.
7. A yawing system according to any of claims 1-3, wherein: each floating body (2) is correspondingly provided with a plurality of dynamic positioning components (3).
8. A floating offshore wind turbine, characterized in that: comprising a wind turbine body and a yawing system, the yawing system being as claimed in any of claims 1-7.
9. The floating offshore wind turbine of claim 8, wherein: the wind turbine main body comprises a wind turbine (6) and a tower drum (7), the wind turbine (6) is installed at the top end of the tower drum (7), and the bottom end of the tower drum (7) is fixed on the single-point mooring component (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122354675.4U CN215672545U (en) | 2021-09-27 | 2021-09-27 | Yaw system and floating offshore wind driven generator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122354675.4U CN215672545U (en) | 2021-09-27 | 2021-09-27 | Yaw system and floating offshore wind driven generator |
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| CN215672545U true CN215672545U (en) | 2022-01-28 |
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| CN202122354675.4U Active CN215672545U (en) | 2021-09-27 | 2021-09-27 | Yaw system and floating offshore wind driven generator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115355140A (en) * | 2022-07-26 | 2022-11-18 | 浙江金风科技有限公司 | Floating body foundation, wind generating set, control method, device and product |
| CN116443198A (en) * | 2023-05-26 | 2023-07-18 | 上海勘测设计研究院有限公司 | Floating wind power hydrogen production platform system and working method thereof |
| CN116480529A (en) * | 2023-04-24 | 2023-07-25 | 上海勘测设计研究院有限公司 | Floating type wind power generation platform |
-
2021
- 2021-09-27 CN CN202122354675.4U patent/CN215672545U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115355140A (en) * | 2022-07-26 | 2022-11-18 | 浙江金风科技有限公司 | Floating body foundation, wind generating set, control method, device and product |
| CN115355140B (en) * | 2022-07-26 | 2023-08-04 | 浙江金风科技有限公司 | Floating body foundation, wind generating set, control method, device and product |
| CN116480529A (en) * | 2023-04-24 | 2023-07-25 | 上海勘测设计研究院有限公司 | Floating type wind power generation platform |
| CN116480529B (en) * | 2023-04-24 | 2024-06-25 | 上海勘测设计研究院有限公司 | Floating type wind power generation platform |
| CN116443198A (en) * | 2023-05-26 | 2023-07-18 | 上海勘测设计研究院有限公司 | Floating wind power hydrogen production platform system and working method thereof |
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