Deicing fan blade

Abstract

The utility model discloses a de-icing fan blade, which relates to the technical field of fan blades and comprises a fan blade body, a vibration de-icing rotating assembly is arranged on the inner side of the fan blade body, and the vibration de-icing rotating assembly is used for intermittently beating the fan blade body and enabling the fan blade body to vibrate. And an ice layer attached to the surface of the fan blade body is shattered and eliminated. Through the arrangement of the vibration deicing rotating assembly, the inner wall surface of the fan blade body can be intermittently knocked, so that the fan blade body vibrates with uniform frequency in the use process, and an ice layer attached to the surface of the fan blade body is shattered and eliminated through the vibration of the fan blade body; therefore, the problems that due to the fact that an ice layer is attached to the surface of the fan blade body, the roughness of the surface of the fan blade body is increased, airflow flowing is hindered and increased, the air volume and air pressure output of a fan are affected, and the overall operation effect of a system is affected are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to fan blade technical field more specifically, the utility model relates to a kind of deicing fan blade. BACKGROUND

[0002] Fan blade is the core component in wind power generation equipment, and its performance directly affects the efficiency and reliability of the entire wind power generation system. Fan blades are usually made of lightweight, high-strength composite materials to withstand various loads under the action of wind and convert wind energy into electrical energy.

[0003] Under cold weather conditions, wind power generation equipment often faces a severe challenge: the surface of the fan blade is prone to icing. When the fan blade surface accumulates a certain thickness of ice layer, it not only increases the weight and load of the blade, but also can change the aerodynamic performance of the blade. The presence of ice layer can significantly increase the roughness of the fan blade surface, thereby affecting the smoothness of the airflow. When the airflow is hindered on the blade surface, the wind volume and wind pressure output of the fan will be severely affected, thereby reducing the operating efficiency and power generation capacity of the entire wind power generation system. Therefore, we propose a deicing fan blade to solve the above problems. SUMMARY

[0004] To overcome the above-mentioned defects of the prior art, the utility model provides a deicing fan blade to solve the problems raised in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a deicing fan blade, comprising a fan blade body, a vibration deicing rotating assembly is arranged on the inner side of the fan blade body, the vibration deicing rotating assembly is used for intermittently knocking the fan blade body and causing the fan blade body to vibrate, and the ice layer attached to the surface of the fan blade body is broken and eliminated.

[0006] Optionally, the vibration deicing rotating assembly comprises two mounting plates fixedly arranged on the inner side wall surface of the fan blade body, a drive shaft is rotatably arranged between the two mounting plates, a turntable is fixedly arranged on the drive shaft, two protrusions are fixedly arranged on the turntable, and the positions of the two protrusions correspond to each other.

[0007] Optionally, a servo motor is fixedly arranged on one mounting plate, the output end of the servo motor is connected to the drive shaft, two connecting plates are fixedly arranged between the two mounting plates, the two connecting plates are symmetrical about the drive shaft, and a limiting groove is formed in the side wall surface opposite to the inner side wall surface of the fan blade body.

[0008] Optionally, a plurality of insertion holes are formed in the inner bottom end of the limiting groove, a plurality of accommodating cavities are formed in the connecting plate, the plurality of insertion holes pass through the plurality of accommodating cavities respectively, a jack is arranged in each insertion hole, and the two ends of the jack pass through the insertion hole.

[0009] Optionally, a limiting ring is fixedly arranged on the top rod, the limiting ring is located in the accommodating cavity through which the top rod passes, and a spring is fixedly arranged on the limiting ring, one end of the spring is fixedly connected with one end of the accommodating cavity on the inner side of the limiting ring.

[0010] Optionally, one end of the top rod passing through the insertion hole is arranged on the rotating disc, the other end of the top rod passing through the insertion hole is arranged in the limiting groove, the limiting groove is matched with the diameter of the top rod, and the diameter of the mounting plate is matched with the diameter of the inner side of the fan blade body.

[0011] Optionally, a plurality of splicing cooperation plates are fixedly arranged on one end of the fan blade body, and a guide plate is fixedly arranged on the upper end face of the fan blade body.

[0012] Compared with the prior art, the fan blade provided by the fan blade can have the following beneficial effects:

[0013] The vibration deicing rotating assembly is arranged to intermittently knock the inner wall surface of the fan blade body, so that the fan blade body vibrates uniformly in the process of use, the ice layer adhered to the surface of the fan blade body is broken and removed through vibration, and the problem that the roughness of the surface of the fan blade body is increased due to the ice layer adhered to the surface of the fan blade body, the airflow is hindered and increased, and the output of the fan volume and the fan pressure is affected, thereby affecting the overall operation effect of the system. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0015] Figure 1 It is a whole structure schematic view of a deicing fan blade provided;

[0016] Figure 2 It is a sectional view of a deicing fan blade provided;

[0017] Figure 3 It is a three-dimensional view of a vibration deicing rotating assembly of a deicing fan blade provided;

[0018] Figure 4 It is a sectional view of a vibration deicing rotating assembly of a deicing fan blade provided.

[0019] Explanation of reference signs:

[0020] 1, fan blade body; 2, vibration deicing rotating assembly; 21, mounting plate; 22, drive shaft; 23, rotating disc; 231, protruding block; 24, servo motor; 25, connecting plate; 26, limiting groove; 27, ejector rod; 28, limiting ring; 29, spring; 210, containing cavity; 3, splicing matching plate; 4, guide vane. DETAILED DESCRIPTION

[0021] The embodiments of the present application will be described in detail with specific embodiments, and those skilled in the art can easily understand other advantages and effects of the present application from the content disclosed in the specification. Obviously, the described embodiments are part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0022] In order to enable those skilled in the art to better understand the present application, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0023] Embodiment:

[0024] Referring to the drawings Figure 1 And Figure 2 The deicing fan blade of the embodiment comprises a fan blade body 1, a vibration deicing rotating assembly 2 is arranged on the inner side of the fan blade body 1, the vibration deicing rotating assembly 2 is used for intermittently knocking the fan blade body 1 and making the fan blade body 1 vibrate, and the ice layer attached to the surface of the fan blade body 1 is broken and eliminated.

[0025] Referring to the drawings Figure 3 And Figure 4The vibration deicing rotating assembly 2 comprises two mounting plates 21 fixedly arranged on the inner side wall surface of the fan blade body 1, a driving shaft 22 rotatably arranged between the two mounting plates 21, a rotating disc 23 fixedly arranged on the driving shaft 22, two protrusions 231 fixedly arranged on the rotating disc 23, the positions of the two protrusions 231 corresponding to each other, a servo motor 24 fixedly arranged on one of the mounting plates 21, the output end of the servo motor 24 being in butt joint with the driving shaft 22, two connecting plates 25 fixedly arranged between the two mounting plates 21, the two connecting plates 25 being symmetrical about the driving shaft 22, a limiting groove 26 being formed in the side wall surface opposite to the inner side wall surface of the fan blade body 1, a plurality of insertion holes being formed in the inner bottom end of the limiting groove 26, a plurality of accommodating cavities 210 being formed in the connecting plate 25, the plurality of insertion holes penetrating through the plurality of accommodating cavities 210, a top rod 27 being arranged in each insertion hole, both ends of the top rod 27 penetrating through the insertion hole, a limiting ring 28 being fixedly arranged on the top rod 27, the limiting ring 28 being located in the accommodating cavity 210 through which the top rod 27 penetrates, a spring 29 being fixedly arranged on the limiting ring 28, one end of the spring 29 being fixedly connected with the end of the limiting ring 28 located in the accommodating cavity 210.

[0026] The diameter of the limiting ring 28 is adapted to the diameter of the accommodating cavity 210, the diameter of the accommodating cavity 210 is larger than the diameter of the insertion hole, and both ends of the top rod 27 are provided with round corners, so as to not only reduce the damage to the fan blade body 1 caused by the collision between the edge of one end of the top rod 27 and the inner wall surface of the fan blade body 1, but also reduce the abrasion caused by the collision between the other end of the top rod 27 and the protrusion 231 on the rotating disc 23, so as to effectively improve the service life of the device. The side wall surface opposite to the inner side wall surface of the fan blade body 1 is attached to the inner side wall surface of the fan blade body 1, and the toughness of the fan blade body 1 can be improved through the arrangement of the mounting plate 21 and the connecting plate 25.

[0027] The arrangement of the vibration deicing rotating assembly 2 can intermittently knock the inner wall surface of the fan blade body 1, so as to make the fan blade body 1 vibrate uniformly in the process of use, the ice layer attached to the surface of the fan blade body 1 is broken and eliminated through vibration, so as to avoid the increase of the roughness of the surface of the fan blade body 1 caused by the ice layer attached to the surface of the fan blade body 1, the airflow is hindered, the output of the fan is affected, and the overall operation effect of the system is affected.

[0028] Referring to the drawings Figure 1, the fan blade body 1 is fixedly provided with a plurality of splicing cooperation plates 3 at one end, the fan blade body 1 is fixedly provided with a flow guide plate 4 at an upper end face, a top rod 27 is top-mounted on the rotating disc 23 at one end of the insertion hole, the other end of the top rod 27 is inserted into the limiting groove 26, the limiting groove 26 is matched with the diameter of the top rod 27, and the diameter of the mounting plate 21 is matched with the diameter of the inner side of the fan blade body 1.

[0029] The splicing cooperation plates 3 are arranged to assist the connection of the fan blade body 1 and the connecting piece, and the flow guide plate 4 is arranged to reduce the wind resistance during the rotation of the fan blade body 1, so that the air volume and air pressure output of the fan can be effectively improved.

[0030] When the ice layer attached to the surface of the fan blade body 1 needs to be removed, the servo motor 24 is started, the servo motor 24 drives the driving shaft 22 to rotate, the driving shaft 22 drives the rotating disc 23 and the protruding block 231 to rotate, when the two protruding blocks 231 on the rotating disc 23 are top-mounted on the top rods 27 on the two connecting plates 25, the protruding block 231 pushes the top rod 27 to move towards the inner wall surface of the fan blade body 1, the fan blade body 1 is pressed against the spring 29 in the containing cavity 210 of the top rod 27 through the limiting ring 28 during the movement, the spring 29 is compressed under stress, when the highest part of the protruding block 231 is top-mounted on one end of the top rod 27, the other end of the top rod 27 is top-mounted on the inner side wall surface of the fan blade body 1, the fan blade body 1 is vibrated under stress, so that the ice layer attached to the surface of the fan blade body 1 is broken and removed, if the ice layer attached to the surface of the fan blade body 1 cannot be broken at one time, the inner side wall surface of the fan blade body 1 is repeatedly knocked by the top rod 27, so that the fan blade body 1 is vibrated repeatedly, so that the ice layer attached to the surface of the fan blade body 1 is broken and removed.

[0031] Finally, the above-mentioned is only the preferred embodiment of the utility model, and is not used for limiting the utility model, any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A de-icing wind turbine blade comprising a wind turbine blade body (1), characterised in that: The fan blade body (1) is provided with a vibration deicing rotating assembly (2) inside, which is used for intermittent knocking and vibrating the fan blade body (1) and breaking and eliminating the ice layer attached to the surface of the fan blade body (1); The vibration deicing rotating assembly (2) comprises two mounting plates (21) fixedly arranged on the inner side wall of the fan blade body (1), a driving shaft (22) rotatably arranged between the two mounting plates (21), a rotating disc (23) fixedly arranged on the driving shaft (22), and two protrusions (231) fixedly arranged on the rotating disc (23), the positions of the two protrusions (231) corresponding to each other. A servo motor (24) is fixedly arranged on one of the mounting plates (21), the output end of the servo motor (24) is connected with the driving shaft (22), and connecting plates (25) are fixedly arranged between the two mounting plates (21), the two connecting plates (25) are symmetrical about the driving shaft (22), and the connecting plates (25) are provided with limiting grooves (26) on the side walls opposite to the inner side walls of the fan blade body (1). Multiple insertion holes are formed in the inner bottom end of the limiting groove (26), multiple accommodating cavities (210) are formed in the connecting plate (25), the multiple insertion holes pass through the multiple accommodating cavities (210) respectively, a jack (27) is arranged in each insertion hole, and the two ends of the jack (27) pass through the insertion hole.

2. An ice-repellent fan blade according to claim 1, characterized in that: A limiting ring (28) is fixedly arranged on the jack (27), the limiting ring (28) is located in the accommodating cavity (210) through which the jack (27) passes, a spring (29) is fixedly arranged on the limiting ring (28), and one end of the spring (29) is fixedly connected with the end of the limiting ring (28) on the inner side of the accommodating cavity (210).

3. An ice-repellent fan blade according to claim 2, characterized in that: One end of the jack (27) passing through the insertion hole is arranged on the rotating disc (23), the other end of the jack (27) passing through the insertion hole is arranged in the limiting groove (26), the diameter of the limiting groove (26) is matched with the diameter of the jack (27), and the diameter of the mounting plate (21) is matched with the diameter of the inner side of the fan blade body (1).

4. An ice-repellent fan blade according to claim 1, characterized in that: Multiple splicing cooperation plates (3) are fixedly arranged on one end of the fan blade body (1), and a guide plate (4) is fixedly arranged on the upper end surface of the fan blade body (1).

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