Anti-icing wind power blade

By installing support beams, grooves, and reflectors inside the wind turbine blades, and using servo motors to drive the reflection of heat, the problem of icing on wind turbine blades has been solved, achieving efficient de-icing and saving energy.

CN223662003UActive Publication Date: 2025-12-12HUA NENG JI LIN XIN NENG YUAN KAI FA YOU XIAN GONG SI TONG YU FEN GONG SI +2
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Patent Information

Application Number
CN202520386729.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-06
Publication Date
2025-12-12
Estimated Expiration
2035-03-06

AI Technical Summary

Technical Problem

Ice buildup on wind turbine blades leads to performance degradation and generator shutdowns. Existing technologies that use heating resistors require increased energy consumption and cannot efficiently remove ice.

Method used

An anti-icing wind turbine blade was designed, comprising a support beam, groove, fixing column, and heating resistor. A servo motor drives the fixing column to rotate, and a reflector is used to reflect heat, thereby enhancing the heating effect and saving energy.

Benefits of technology

By reflecting heat, the heating effect is enhanced, the de-icing efficiency is improved, energy consumption is reduced, and the normal operation of the wind turbine is ensured.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of wind power blades, and discloses an anti-icing wind power blade, which comprises a wind power blade structure, cavities and heating resistors, the inner side of the wind power blade structure is provided with a plurality of cavities, the heating resistors are arranged in the cavities, a rotating device is arranged in the wind power blade structure, and the rotating device is connected with the wind power blade structure. The rotating device comprises a supporting beam, a groove and a fixing column, the supporting beam is installed in the wind power blade structure, the groove is formed in the middle of the supporting beam, the fixing column is arranged in the groove, one side of the fixing column is connected with the inner side of the supporting beam through a bearing, and a servo motor is installed on the other side of the fixing column. Connecting plates are installed on the two sides of the outer wall of the fixing column, and first light reflecting plates are arranged on the two sides of the connecting plates. According to the utility model, the energy consumption is saved, the heating effect is greatly enhanced, and the heating and quick deicing effects of the device are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to wind power blade technical field, concretely is a wind power blade of anti icing. BACKGROUND

[0002] Wind energy is a kind of clean renewable energy, inexhaustible, wind power blade is the power source of wind turbine, is one of the key components of wind power generator, blade state directly influences the performance and power generation efficiency of whole machine, wind turbine is generally installed in mountain and border area, wind power blade surface often appears icing phenomenon, leading to the performance of blade and the power output of wind turbine cannot reach design requirement, under low temperature condition, wind power blade surface icing has become the main factor that long-term plagued wind power normal operation in winter, can lead to wind power generator shutdown, reduce the power generation of generator set, and can damage the shape and structure of wind power blade, lead to blade wind resistance reduction, also can cause the service life reduction of generator and other harmful hazards.

[0003] Through the retrieval, China patent authorized announcement no CN104935003B, announcement date is December 11, 2018, discloses a kind of wind power blades of anti icing, the surface of the blade body is provided with hydrophobic coating in the document, the inner cavity of the blade body is provided with structural beam, the blade body includes substrate layer, according to heating resistance itself heating is heated to device, need to increase energy consumption to increase heat, in view of this, for the above problems, in-depth study, and then there is the case. CONTENT OF THE UTILITY MODEL

[0004] The utility model is aimed at providing a kind of wind power blades of anti icing to solve the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of wind power blades of anti icing, including wind power blade structure, cavity and heating resistance, the inside of wind power blade structure is equipped with multiple cavities, the inside of the cavity is equipped with heating resistance, the inside of wind power blade structure is installed with rotating device;

[0006] The rotating device includes support beam, groove and fixed column, the inside of wind power blade structure is installed with support beam, the middle position of support beam is equipped with groove, the inside of groove is equipped with fixed column, the inside of fixed column is connected with the inside of support beam by bearing on one side, the other side of fixed column is installed with servo motor, the both sides of fixed column outer wall are installed with connecting plate, the both sides of connecting plate are equipped with first reflector, the inside of connecting plate and first reflector is equipped in storage tank, the both sides of support beam are equipped with storage tank, the both sides of support beam are installed with second reflector, the inner wall of storage tank is equipped with third reflector.

[0007] Preferably, the wind power blade structure and the cavity are integrally arranged, and the cavity and the heating resistor are correspondingly arranged.

[0008] Preferably, the support beam and the inner wall of the wind power blade structure are fixedly connected, and the support beam and the groove are integrally arranged.

[0009] Preferably, the fixed column and the bearing are rotatably connected, and the fixed column and the servo motor are drivingly connected.

[0010] Preferably, the fixed column and the connecting plate are fixedly connected, and the two connecting plates are arranged in parallel.

[0011] Preferably, the lower left wall of the right connecting plate is connected to the outer wall of the fixed column, and the upper right wall of the left connecting plate is connected to the outer wall of the fixed column.

[0012] Preferably, the connecting plate and the first reflecting plate are closely arranged, and the connecting plate and the first reflecting plate are correspondingly arranged with the storage tank.

[0013] Preferably, the support beam and the storage tank are integrally arranged, and the support beam and the second reflecting plate are closely arranged.

[0014] Preferably, the inner wall of the storage tank and the third reflecting plate are closely arranged.

[0015] Preferably, the wind power blade structure comprises a blade heat conduction layer, a blade composite reinforcing layer and a blade substrate layer, a plurality of cavities are arranged inside the blade substrate layer, the outer wall of the blade substrate layer is provided with the blade composite reinforcing layer, and the outer wall of the blade composite reinforcing layer is provided with the blade heat conduction layer.

[0016] Compared with the prior art, the utility model has the advantages of:

[0017] By arranging the support beam, the groove and the fixed column, the wind power blade structure is supported by the support beam, the wind power blade structure is heated by the heating resistor, and at the same time of heating, the heat is concentrated and reflected to the wind power blade structure again by the second reflecting plate on the outer wall of the support beam and the first reflecting plate on the outer side of the connecting plate, thereby enhancing the heating effect. When the weather is cold, the servo motor is started to drive the fixed column to rotate in the bearing, the fixed column drives the connecting plate to rotate, the connecting plate drives the first reflecting plate to rotate, the connecting plate and the support beam are perpendicular to each other, and the first reflecting plate and the third reflecting plate are separated, the first reflecting plate and the third reflecting plate are increased, energy consumption is saved, the heating and rapid deicing effect of the device are greatly enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort on the basis of these drawings. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual proportions.

[0019] Figure 1 It is a front view structural schematic diagram of the present application.

[0020] Figure 2 It is a front view sectional structural schematic diagram of the present application.

[0021] Figure 3 It is a side view sectional structural schematic diagram of the present application.

[0022] Figure 4 It is a side view sectional structural schematic diagram of the present application using a rotating device.

[0023] In the drawings: 1, wind power blade structure; 2, cavity; 3, heating resistor; 5, rotating device; 101, blade heat conduction layer; 102, blade composite reinforcing layer; 103, blade substrate layer; 501, support beam; 502, groove; 503, fixed column; 504, bearing; 505, servo motor; 506, connecting plate; 507, first light-reflecting plate; 508, storage groove; 509, second light-reflecting plate; 510, third light-reflecting plate. DETAILED DESCRIPTION

[0024] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0025] In the description of the utility model, it is necessary to explain that, unless another explicit provision and limitation, the term "installation", "set with", "connection" and the like, should do broad sense understanding, for example "connection", can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be the communication inside two elements.For the ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0026] The technical scheme in the utility model embodiment will be described clearly and completely below in conjunction with the drawings in the utility model embodiment, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the scope of protection of the utility model.

[0027] Please refer to Figures 1-4 The utility model provides a kind of anti-icing wind power blade technical scheme: a kind of anti-icing wind power blade, including wind power blade structure 1, cavity 2 and heating resistance 3, the inside of wind power blade structure 1 is equipped with multiple cavities 2, the inside of cavity 2 is equipped with heating resistance 3, rotating device 5 is installed in the inside of wind power blade structure 1;

[0028] Rotating device 5 includes support beam 501, groove 502 and fixed column 503, support beam 501 is installed in the inside of wind power blade structure 1, the middle position of support beam 501 is equipped with groove 502, the inside of groove 502 is equipped with fixed column 503, one side of fixed column 503 is connected with the inside of support beam 501 by bearing 504, the other side of fixed column 503 is equipped with servo motor 505, the both sides of the outer wall of fixed column 503 are equipped with connecting plate 506, the both sides of connecting plate 506 are equipped with first reflector plate 507, connecting plate 506 and first reflector plate 507 are all arranged in the inside of storage groove 508, storage groove 508 is arranged at the both sides of support beam 501, second reflector plate 509 is installed at the both sides of support beam 501, the inner wall of storage groove 508 is equipped with third reflector plate 510.

[0029] In use, the wind turbine blade structure 1 is supported by the support beam 501, and the wind turbine blade structure 1 is heated by the heating resistor 3. At the same time of heating, the heat is concentrated and reflected to the wind turbine blade structure 1 again by the second reflecting plate 509 on the outer wall of the support beam 501 and the first reflecting plate 507 outside the connecting plate 506, thereby enhancing the heating effect. When the weather is cold, the servo motor 505 is started to drive the fixed column 503 to rotate in the bearing 504, the fixed column 503 drives the connecting plate 506 to rotate, the connecting plate 506 drives the first reflecting plate 507 to rotate, the connecting plate 506 is perpendicular to the support beam 501, and the first reflecting plate 507 is separated from the third reflecting plate 510. The first reflecting plate 507 and the third reflecting plate 510 are increased, the energy consumption is saved, the heating effect is greatly enhanced, and the heating and rapid deicing effect of the device is improved.

[0030] The wind turbine blade structure 1 and the cavity 2 are integrally arranged, and the cavity 2 and the heating resistor 3 are correspondingly arranged.

[0031] The support beam 501 and the inner wall of the wind turbine blade structure 1 are fixedly connected, and the support beam 501 and the groove 502 are integrally arranged.

[0032] The fixed column 503 and the bearing 504 are rotationally connected, and the fixed column 503 and the servo motor 505 are drivingly connected.

[0033] The fixed column 503 and the connecting plate 506 are fixedly connected, and the two connecting plates 506 are arranged in parallel.

[0034] The lower left wall of the right connecting plate 506 is connected with the outer wall of the fixed column 503, and the upper right wall of the left connecting plate 506 is connected with the outer wall of the fixed column 503.

[0035] The connecting plate 506 and the first reflecting plate 507 are tightly arranged, and the connecting plate 506 and the first reflecting plate 507 are correspondingly arranged with the storage tank 508.

[0036] The support beam 501 and the storage tank 508 are integrally arranged, and the support beam 501 and the second reflecting plate 509 are tightly arranged.

[0037] The inner wall of the storage tank 508 and the third reflecting plate 510 are tightly arranged.

[0038] The wind power blade structure 1 comprises a blade heat conduction layer 101, a blade composite reinforcing layer 102 and a blade substrate layer 103, a plurality of cavities 2 are arranged inside the blade substrate layer 103, the blade substrate layer 103 is made of glass fiber and filled with resin filler inside the glass fiber, the blade substrate layer 103 can ensure the overall strength of the blade body 1, the outer wall of the blade substrate layer 103 is provided with the blade composite reinforcing layer 102, the blade composite reinforcing layer 102 is made of carbon fiber reinforced material and has a double-layer composite structure, which can greatly improve the use strength of the blade, the outer wall of the blade composite reinforcing layer 102 is provided with the blade heat conduction layer 101, the blade heat conduction layer 101 is made of aluminum alloy, and the blade heat conduction layer 101 can effectively accelerate the deicing effect.

[0039] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the present application, which is defined by the appended claims and their equivalents.

Claims

1. A wind turbine blade designed to prevent icing, comprising a wind turbine blade structure (1), a cavity (2), and a heating resistor (3), characterized in that: The wind turbine blade structure (1) has multiple cavities (2) on its inner side, and heating resistors (3) are provided inside the cavities (2). A rotating device (5) is installed inside the wind turbine blade structure (1). The rotating device (5) includes a support beam (501), a groove (502), and a fixing column (503). The support beam (501) is installed inside the wind turbine blade structure (1). A groove (502) is provided in the middle of the support beam (501). A fixing column (503) is provided inside the groove (502). One side of the fixing column (503) is connected to the inner side of the support beam (501) through a bearing (504). A servo motor is installed on the other side of the fixing column (503). 505), connecting plates (506) are installed on both sides of the outer wall of the fixed column (503), and first reflectors (507) are provided on both sides of the connecting plates (506). The connecting plates (506) and the first reflectors (507) are both located inside the storage tank (508). The storage tank (508) is located on both sides of the support beam (501). Second reflectors (509) are installed on both sides of the support beam (501). A third reflector (510) is provided on the inner wall of the storage tank (508).

2. The anti-icing wind turbine blade according to claim 1, characterized in that: The wind turbine blade structure (1) and the cavity (2) are integrated, and the cavity (2) and the heating resistor (3) are correspondingly arranged.

3. The anti-icing wind turbine blade according to claim 2, characterized in that: The support beam (501) is fixedly connected to the inner wall of the wind turbine blade structure (1), and the support beam (501) and the groove (502) are integrated.

4. The anti-icing wind turbine blade according to claim 3, characterized in that: The fixed column (503) is rotatably connected to the bearing (504), and the fixed column (503) is drivenly connected to the servo motor (505).

5. The anti-icing wind turbine blade according to claim 4, characterized in that: The fixed column (503) and the connecting plate (506) are fixedly connected, and the connecting plates (506) on both sides are arranged parallel to each other.

6. The anti-icing wind turbine blade according to claim 5, characterized in that: The lower left wall of the connecting plate (506) on the right side is connected to the outer wall of the fixing column (503), and the upper right wall of the connecting plate (506) on the left side is connected to the outer wall of the fixing column (503).

7. The anti-icing wind turbine blade according to claim 6, characterized in that: The connecting plate (506) and the first reflector (507) are tightly fitted together, and both the connecting plate (506) and the first reflector (507) are correspondingly positioned with respect to the storage tank (508).

8. The anti-icing wind turbine blade according to claim 7, characterized in that: The support beam (501) and the storage tank (508) are integrated, and the support beam (501) and the second reflector (509) are closely fitted together.

9. A wind turbine blade for preventing icing according to claim 8, characterized in that: The inner wall of the storage tank (508) and the third reflector (510) are fitted together in close contact.

10. A wind turbine blade for preventing icing according to claim 9, characterized in that: The wind turbine blade structure (1) includes a blade heat-conducting layer (101), a blade composite reinforcement layer (102), and a blade substrate layer (103). A plurality of cavities (2) are disposed inside the blade substrate layer (103). The blade composite reinforcement layer (102) is installed on the outer wall of the blade substrate layer (103), and the blade heat-conducting layer (101) is installed on the outer wall of the blade composite reinforcement layer (102).

Citation Information

Patent Citations

  • A distributed photovoltaic power generation system supported by street lamp poles

    CN104935003B