CN212535935U - Offshore double-impeller wind generating set - Google Patents
Offshore double-impeller wind generating set Download PDFInfo
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- CN212535935U CN212535935U CN202020764476.3U CN202020764476U CN212535935U CN 212535935 U CN212535935 U CN 212535935U CN 202020764476 U CN202020764476 U CN 202020764476U CN 212535935 U CN212535935 U CN 212535935U
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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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- 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
- Y02E10/728—Onshore wind turbines
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Abstract
The utility model discloses an offshore bilobed wheel wind generating set, including basis, Y shape pylon and two fans, the vertical pylon part of Y shape pylon is fixed in on the basis, two fans are adorned in two slant pylon parts of Y shape pylon through two driftage actuating system respectively, can drive the fan around the rotatory wind and locking of the center pin of its slant pylon part that corresponds through driftage actuating system, keep the interval between two fans, avoid mutual interference to the impeller direction of rotation of these two fans is opposite, in order to offset the centrifugal force of two fans. The utility model discloses a two fans of a basic installation, two fans make two fans respectively through two driftage actuating system and keep perpendicular with the wind direction, realize high-efficient accurate wind, furthest's absorption wind energy improves wind generating set efficiency to reduce the basis cost.
Description
Technical Field
The utility model belongs to the technical field of offshore wind power generation's technique and specifically relates to indicate an offshore bilobed wheel wind generating set.
Background
Wind energy is increasingly paid more and more attention as a clean and renewable new energy source all over the world, and wind power generation gradually becomes one of the most extensive and mature power generation modes in new energy technology. Offshore wind power generation has been receiving attention because of its advantages of abundant resources, stable wind speed, and large-scale development. Research data show that the wind speed is 20% higher than that on the sea, and the power generation is increased by 70%; the offshore wind power plant does not occupy precious land resources, is basically not influenced by landform and landform, has higher wind speed and richer wind energy resources.
The deep-sea wind power plant is a new field of offshore wind power development, and has the greatest advantages of higher wind speed and easier prediction. With the gradual increase of the single machine capacity of the offshore wind generating set and the rapid development of the current ocean technology, the deep-sea wind generator becomes the inevitable trend of future wind energy utilization. The efficient utilization of wind energy depends on the efficient tracking of the wind direction by the wind turbine generator, and due to the randomness of the wind direction, if the wind sweeping surface and the wind direction of the impeller are not vertical, not only is the power output reduced, but also the load condition is worse. The yaw driving system has the function of tracking the change of the wind direction and driving the fan to enable the wind sweeping surface of the wind wheel to be vertical to the wind direction. Therefore, the yaw driving system is one of important components of the wind driven generator and is mainly matched with a control system of the wind driven generator set, so that a wind wheel of the wind driven generator set is always in a windward state, wind energy can be absorbed to the maximum extent, and the efficiency of the wind driven generator set is improved; and meanwhile, necessary locking torque is provided, and the wind driven generator can operate safely and stably after finishing wind action.
In addition, the existing wind driven generator generally adopts a single impeller to generate electricity, and has the disadvantages of low power, low wind energy utilization rate and poor generating efficiency. Therefore, designing an offshore wind turbine generator system that greatly improves the wind power generation power is an object that people are eagerly expected to achieve.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a marine bilobed wheel wind generating set, through two fans of a basic installation, two fans make two fans respectively through two driftage actuating system and keep perpendicular with the wind direction respectively, realize high-efficient accurate wind, furthest's absorption wind energy improves wind generating set efficiency to reduce the basis cost.
In order to achieve the above object, the present invention provides a technical solution: a marine double-impeller wind generating set comprises a foundation, a Y-shaped tower frame and two fans, wherein a vertical tower frame part of the Y-shaped tower frame is fixed on the foundation, the two fans are respectively installed on two oblique tower frame parts of the Y-shaped tower frame through two yaw driving systems, the fans can be driven to rotate around a central shaft of the corresponding oblique tower frame part to align wind and be locked through the yaw driving systems, a distance is kept between the two fans, mutual interference is avoided, and the rotating directions of impellers of the two fans are opposite to offset the centrifugal force of the two fans.
Further, the distance between the two fans is not less than 1.05D, wherein D is the diameter of an impeller of each fan.
Further, the vertical tower part and the two oblique tower parts are connected through a tower connecting piece.
Further, the tower connecting piece is a Y-shaped structure with a first interface, a second interface and a third interface, wherein the first interface and the second interface are respectively located at the left end and the right end of the Y-shaped structure, the third interface is located at the lower end of the Y-shaped structure, the first interface and the second interface are respectively connected to the bottoms of the two oblique tower parts through flanges and high-strength bolts, and the third interface is connected to the top of the vertical tower part through flanges and high-strength bolts.
Further, the slant tower part is formed by connecting a plurality of tower sections through high-strength bolts, and the length of each tower section is not more than 30 m.
Further, the system also comprises a central controller used for coordinating the yaw action of the two fans.
Further, the foundation is a fixed foundation or a floating foundation.
Compared with the prior art, the utility model, have following advantage and beneficial effect:
the utility model discloses a two fans of foundation installation, these two fans make the windsweeper of two fans keep perpendicular with the wind direction respectively through two driftage actuating system respectively, so that furthest's absorption wind energy, provide necessary locking torque through driftage actuating system simultaneously, and control the driftage angle of two fan impellers, avoid appearing the space interference, can the safe and stable operation after making wind generating set accomplish the action of the wind, realize that wind generating set is fast effectively to the wind, improve wind generating set efficiency greatly, promote wind generating set generated energy, and reduce the foundation cost; in addition, the two impellers are arranged in opposite rotating directions, so that centrifugal force borne by the whole structure can be mutually offset, and the structural load is reduced.
Drawings
Fig. 1 is a three-dimensional structure diagram of the present invention.
Fig. 2 is a front view of the present invention.
Detailed Description
The present invention will be further described with reference to the following specific embodiments.
As shown in fig. 1 and fig. 2, the offshore double-impeller wind turbine generator set according to the present embodiment includes a foundation 1, a Y-shaped tower, and two wind turbines 5; the foundation 1 is a fixed foundation (such as a gravity foundation, a single-pile foundation, a multi-pile foundation, a jacket foundation or a suction caisson foundation and the like) or a floating foundation; the vertical tower part 2 of the Y-shaped tower is fixed on a foundation 1, the two fans 5 are respectively arranged on two oblique tower parts 3 of the Y-shaped tower through two yaw driving systems 4, the two fans 5 are both conventional offshore fans, in order to avoid interference of the two fans 5, the distance between the two fans 5 is required to be not less than 1.05D (D is the diameter of an impeller of the fan 5), the yaw angle of the impellers of the two fans 5 is controlled through the yaw driving systems 4, the spatial interference is avoided, and because the fans 5 are arranged on the oblique tower parts 3, the fans 5 are required to be installed in a certain inclined angle, so that the adaptability analysis of various functional parts (such as a lubricating system, a hydraulic system and the like) in the unit is required, local design modification is required when necessary, the fans 5 are driven to rotate around the central axis of the corresponding oblique tower parts through the yaw driving systems 4, the wind sweeping surface of an impeller of the fan 5 is kept vertical to the wind direction, and a certain locking torque is provided, so that the wind energy is kept in a wind facing state; meanwhile, the rotating directions of the impellers of the two fans 5 are opposite, so that the centrifugal force of the two fans 5 is offset, and the structural load is reduced.
Wherein the vertical tower part 2 and the two diagonal tower parts 3 are connected by a tower connecting piece 6; the vertical tower part 2 is formed by connecting a plurality of tower sections through high-strength bolts, and the length of each tower section is not more than 30m, so that the transportation is facilitated; the tower connecting piece 6 is a Y-shaped structure with a first interface, a second interface and a third interface, the first interface and the second interface are respectively located at the left end and the right end of the Y-shaped structure, the third interface is located at the lower end of the Y-shaped structure, the first interface and the second interface are respectively connected to the bottoms of the two oblique tower parts 3 through flanges and high-strength bolts, and the third interface is connected to the top of the vertical tower part 2 through flanges and high-strength bolts.
In addition, in order to ensure the generated power of the generated energy of the whole wind generating set, the embodiment may further configure a central controller (not shown in the figure) for coordinating the yaw motions of the two wind turbines 5, so as to achieve the purpose of optimizing the generated energy.
The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so that all the changes made according to the shape and principle of the present invention should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides an offshore bilobed wheel wind generating set which characterized in that: the Y-shaped tower comprises a foundation, a Y-shaped tower and two fans, wherein the vertical tower part of the Y-shaped tower is fixed on the foundation, the two fans are respectively arranged on two oblique tower parts of the Y-shaped tower through two yaw driving systems, the fans can be driven to rotate around the central shaft of the corresponding oblique tower part to align wind and be locked through the yaw driving systems, a space is kept between the two fans, mutual interference is avoided, and the rotating directions of impellers of the two fans are opposite to offset the centrifugal force of the two fans.
2. An offshore bilobed wind turbine generator set as claimed in claim 1, wherein: the distance between the two fans is not less than 1.05D, wherein D is the diameter of an impeller of each fan.
3. An offshore bilobed wind turbine generator set as claimed in claim 1, wherein: the vertical tower part and the two oblique tower parts are connected through a tower connecting piece.
4. An offshore bilobed wind turbine generator set as claimed in claim 3, wherein: the tower connecting piece is of a Y-shaped structure with a first interface, a second interface and a third interface, wherein the first interface and the second interface are respectively located at the left end and the right end of the Y-shaped structure, the third interface is located at the lower end of the Y-shaped structure, the first interface and the second interface are respectively connected to the bottoms of the two oblique tower parts through flanges and high-strength bolts, and the third interface is connected to the top of the vertical tower part through the flanges and the high-strength bolts.
5. An offshore bilobed wind turbine generator set as claimed in claim 1, wherein: the inclined tower part is formed by connecting a plurality of tower sections through high-strength bolts, and the length of each tower section is not more than 30 m.
6. An offshore bilobed wind turbine generator set as claimed in claim 1, wherein: and the central controller is used for coordinating the yaw actions of the two fans.
7. An offshore bilobed wind turbine generator set as claimed in claim 1, wherein: the foundation is a fixed foundation or a floating foundation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020764476.3U CN212535935U (en) | 2020-05-11 | 2020-05-11 | Offshore double-impeller wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020764476.3U CN212535935U (en) | 2020-05-11 | 2020-05-11 | Offshore double-impeller wind generating set |
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| Publication Number | Publication Date |
|---|---|
| CN212535935U true CN212535935U (en) | 2021-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020764476.3U Active CN212535935U (en) | 2020-05-11 | 2020-05-11 | Offshore double-impeller wind generating set |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113700611A (en) * | 2021-08-27 | 2021-11-26 | 上海电气风电集团股份有限公司 | Yaw platform and wind driven generator comprising same |
| CN113738590A (en) * | 2021-09-07 | 2021-12-03 | 上海电气风电集团股份有限公司 | Marine general type fan power generation system |
| DE102021118329A1 (en) | 2021-07-15 | 2023-01-19 | Aerodyn Consulting Singapore Pte Ltd | Single-point mooring wind energy installation with two wind energy conversion units each having a rotor |
-
2020
- 2020-05-11 CN CN202020764476.3U patent/CN212535935U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021118329A1 (en) | 2021-07-15 | 2023-01-19 | Aerodyn Consulting Singapore Pte Ltd | Single-point mooring wind energy installation with two wind energy conversion units each having a rotor |
| CN113700611A (en) * | 2021-08-27 | 2021-11-26 | 上海电气风电集团股份有限公司 | Yaw platform and wind driven generator comprising same |
| CN113738590A (en) * | 2021-09-07 | 2021-12-03 | 上海电气风电集团股份有限公司 | Marine general type fan power generation system |
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