CN219492484U

CN219492484U - Wind power engineering blade monitoring mechanism

Info

Publication number: CN219492484U
Application number: CN202320625306.0U
Authority: CN
Inventors: 崔英福; 晏刚; 高晓峰
Original assignee: Henan Maisi Power Co ltd
Current assignee: Henan Maisi Power Co ltd
Priority date: 2023-03-27
Filing date: 2023-03-27
Publication date: 2023-08-08
Anticipated expiration: 2033-03-27

Abstract

The utility model relates to the technical field of wind power equipment monitoring, and particularly discloses a wind power engineering blade monitoring mechanism which comprises a guide cover provided with blades and a wind power cabin shell rotationally connected with the guide cover through a low-speed shaft, wherein cameras for monitoring the blades are arranged on the guide cover, electric heating sheets are arranged in the blades, a power supply is arranged in the wind power cabin shell, and the electric heating sheets are connected with the power supply through a universal conductive mechanism arranged between the guide cover and the wind power cabin shell. The utility model can monitor the blade in the wind power engineering and can deicing the frozen blade more conveniently and rapidly.

Description

Wind power engineering blade monitoring mechanism

Technical Field

The utility model relates to the technical field of wind power equipment monitoring, in particular to a wind power engineering blade monitoring mechanism.

Background

The wind driven generator is a power device which converts wind energy into mechanical work and drives a generator rotor to rotate and finally outputs alternating current. The wind driven generator generally comprises wind wheels, a power generation device, a direction regulator, a tower, a speed limiting safety mechanism, an energy storage device and other components. When the blades of the wind driven generator are in operation, the surfaces of the blades can be damaged or frozen due to external factors such as freezing rain, hail and the like, so that the normal operation of the wind driven generator is influenced, and people are required to detect the wind driven generator.

At present, people observe whether wind turbine blade has damage or icing, can adopt the telescope to observe or unmanned aerial vehicle shooting's mode generally and observe, comparatively troublesome to when finding that blade surface is frozen, need deicing it, current deicing mode is mechanical deicing or heating deicing, and though wind turbine possesses defroster, its deicing efficiency is slower.

Refer to patent publication No. CN217712826U, patent name is a wind-powered electricity generation blade monitoring device, and it can heat the blade that freezes through the travelling box that sets up on the blade, the heating box on the travelling box, and then reaches the purpose of deicing.

The prior art has the technical defects that the moving box moves along the blade and the heating box on the moving box is excessively troublesome in heating and deicing the blade, and the driving mode of the moving box moving on the blade can be excessively troublesome, so that a monitoring device capable of easily realizing deicing of the wind power blade is provided

Disclosure of Invention

Aiming at the defects in the background technology, the utility model provides a wind power engineering blade monitoring mechanism which not only can monitor blades in wind power engineering, but also can remove ice from the frozen blades more conveniently and rapidly.

The technical scheme of the utility model is realized as follows:

the utility model provides a wind-powered electricity generation engineering blade monitoring mechanism, includes the kuppe of installing the blade and rotates the wind-powered electricity generation cabin shell of being connected with the kuppe through the low-speed axle, be equipped with the camera that is used for monitoring the blade on the kuppe, be equipped with the electric heat piece in the blade, be equipped with the power in the wind-powered electricity generation cabin shell, the electric heat piece is connected with the power through the universal conductive mechanism that sets up between kuppe and wind-powered electricity generation cabin shell.

Further, the universal conductive mechanism comprises a fixed cylinder I and a fixed cylinder II which are fixed at the end part of the wind power cabin shell, and the fixed cylinder II is positioned in the fixed cylinder I and is coaxially arranged with the low-speed shaft;

fixed rotary drum I and fixed rotary drum II that kuppe towards the coaxial setting of low-speed shaft are fixed with on the terminal surface of fan nacelle shell, and fixed rotary drum I inserts and establishes between fixed barrel I and fixed barrel II, and fixed rotary drum II inserts in the fixed barrel II, all is equipped with movable conductive part between fixed rotary drum and the fixed barrel I, between fixed rotary drum II and the fixed barrel II.

Further, the movable conductive piece comprises a conductive roller I and a conductive roller II which are respectively arranged on the inner cylinder walls of the fixed cylinder I and the fixed cylinder II, a conductive ring I and a conductive ring II are respectively embedded on the outer cylinder wall of the fixed cylinder I and the outer cylinder wall of the fixed cylinder II, the conductive roller I and the conductive ring I are correspondingly contacted, the conductive roller II and the conductive ring II are correspondingly contacted, the conductive ring I and the conductive ring II are respectively electrically connected with two conductive ends of the electric heating plate on the blade, the conductive roller I and the conductive roller II are respectively electrically connected with two conductive ends of a power supply in the wind power engine room shell, and a conductive switch is arranged between the power supply and the conductive roller I or the conductive roller II.

Further, all be equipped with elastic connection subassembly between electrically conductive gyro wheel I with between the fixed section of thick bamboo I electrically conductive gyro wheel II with all be equipped with the mounting groove on the interior section of thick bamboo wall of fixed section of thick bamboo I and fixed section of thick bamboo II, elastic connection subassembly sets up in the mounting groove.

Further, the elastic connection assembly comprises elastic grooves which are formed in groove walls on two sides of the installation groove and are symmetrical to each other, installation blocks are movably arranged in the elastic grooves, the installation blocks are connected with the bottoms of the elastic grooves through elastic pieces, the conductive roller I and the conductive roller II are respectively corresponding to the two installation grooves, the conductive roller I and the conductive roller II are installed between the two corresponding installation blocks in the corresponding installation grooves, and the conductive roller I and the conductive roller II are in rotary connection with the corresponding installation blocks.

Further, the elastic piece is a spring.

Further, the fixed cylinder I, the fixed cylinder II, the fixed cylinder I and the fixed cylinder II are all insulating cylinders.

Further, the camera is a wide-angle adjustable camera.

The utility model has the beneficial technical effects that in the utility model, a worker can determine whether the blade is frozen or not through the camera, meanwhile, the heating of the blade by the electric heating sheet is controlled by controlling the on-off of the conductive switch, when the conductive switch is closed, the power supply can be conducted with the electric heating sheet in the blade through the conductive ring I, the conductive ring II, the conductive roller I and the conductive roller II, so that the blade can be heated, and further, the deicing of the blade can be realized, and the whole process is rapid and convenient, and compared with the existing deicing mode, the deicing mode is simpler and safer;

the fixed rotary drum I and the fixed rotary drum II synchronously rotate when the blades rotate, and as the conductive roller I on the fixed drum I and the conductive roller II on the fixed drum II are respectively contacted with the conductive ring I on the fixed rotary drum I and the conductive ring II on the fixed rotary drum II, even if the fixed rotary drum I and the fixed rotary drum II rotate, the power supply can still be communicated with the electric heating sheet in the blades through controlling the conductive switch, and further deicing of the blades of the wind driven generator in operation can be realized, so that the applicability is stronger;

the elastic piece can play elastic support's effect to electrically conductive gyro wheel I and electrically conductive gyro wheel II, can make electrically conductive gyro wheel I and electrically conductive gyro wheel II contact with corresponding conducting ring I, conducting ring II all the time, avoid because of the rotation of fixed rotary drum I and fixed rotary drum II, make electrically conductive gyro wheel I or electrically conductive gyro wheel II break away from the contact with corresponding conducting ring I, conducting ring II, avoid the unable circular telegram of electric heat piece.

Drawings

In order to more clearly illustrate the embodiments of the present utility model, the drawings that are required for the description of the embodiments will be briefly described below, it being apparent that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

fig. 3 is an enlarged schematic view of the portion a in fig. 2.

In the figure, 1, a blade; 2. a guide cover; 3. a low speed shaft; 4. wind power cabin shell; 21. a camera; 11. an electric heating sheet; 41. a power supply; 51. a fixed cylinder I; 52. a fixed cylinder II; 61. a fixed rotary drum I; 62. fixing the rotary drum II; 53. a conductive roller I; 54. a conductive roller II; 63. a conductive ring I; 64. a conductive ring II; 7. a conductive switch; 81. a mounting groove; 82. an elastic groove; 83. a mounting block; 84. an elastic member.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 and 2, embodiment 1 is a wind power engineering blade monitoring mechanism including a nacelle 2 to which blades 1 are mounted and a wind power nacelle housing 4 rotatably connected to the nacelle 2 via a low speed shaft 3. The end of the air guide sleeve 2 far away from the wind power cabin shell 4 is provided with a camera 21 for monitoring the blades 1, and the camera 21 is preferably an intelligent camera 21 with a wide angle and a changeable orientation angle of the camera 21.

The blade 1 is internally provided with an electric heating sheet 11, and further, the electric heating sheet 11 is embedded in an inner interlayer of the blade 1, and the electric heating sheet 11 can be arranged as a silica gel heating sheet which is matched with the length, the width and the shape of the blade 1. The wind power cabin shell 4 is internally provided with a power supply 41, the power supply 41 is preferably a chargeable power supply 41, and the power supply 41 can be electrically connected with a wind power generator in the wind power cabin shell 4 through an inverter, a rectifier and other electrical elements, so that the wind power generator can charge the power supply 41 during power generation. The electric heating sheet 11 is connected with a power supply 41 through a universal conductive mechanism arranged between the air guide sleeve 2 and the wind power cabin shell 4.

Referring to fig. 1 to 3, the universal conducting mechanism comprises a fixed cylinder i 51 and a fixed cylinder ii 52 fixed to the end of the wind turbine housing 4, and the fixed cylinders ii 52 are located in the fixed cylinder i 51 and are all coaxially arranged with the low speed shaft 3. Fixed rotary drum I61 and fixed rotary drum II 62 that are coaxial with low-speed shaft 3 set up are fixed with on the terminal surface of kuppe 2 towards aero-engine pod 4, and fixed rotary drum I61 inserts between fixed section of thick bamboo I51 and fixed section of thick bamboo II 52, and fixed rotary drum II 62 inserts between fixed section of thick bamboo II 52 and low-speed shaft 3, all is equipped with movable conductive part between fixed rotary drum I61 and fixed section of thick bamboo I51, between fixed rotary drum II 62 and fixed section of thick bamboo II 52.

The movable conductive part comprises a conductive roller I53 and a conductive roller II 54 which are respectively arranged on the inner cylinder walls of the fixed cylinder I51 and the fixed cylinder II 52. The inner walls of the corresponding fixed cylinders I51 and II 52 are provided with a plurality of conductive rollers I53 and II 54, the conductive rollers I53 are uniformly distributed along the circumference of the section of the fixed cylinder I51, and the conductive rollers II 54 are uniformly distributed along the circumference of the section of the fixed cylinder II 52.

The fixed cylinder I51 is internally embedded with a wire connected with the conductive roller I53, the fixed cylinder II 52 is internally embedded with a wire connected with the conductive roller II 54, the wires in the fixed cylinder I51 and the fixed cylinder II 52 are respectively electrically connected with two power supply ends of the power supply 41 in the wind power cabin shell 4, and a conductive switch 7 is electrically connected between the wire in the fixed cylinder I51 or the fixed cylinder II 52 and the power supply 41, and the conductive switch 7 is preferably an electromagnetic switch.

The outside section of thick bamboo wall of fixed rotary drum I61 and fixed rotary drum II 62 is gone up and is inlayed respectively and is equipped with conducting ring I63 and conducting ring II 64, and conducting ring I63 and the coaxial setting of fixed rotary drum I61, conducting ring II 64 and the coaxial setting of fixed rotation II. Conductive roller I53 is in corresponding contact with conductive ring I63, and conductive roller II 54 is in corresponding contact with conductive ring II 64.

The fixed rotary drum I61 and the fixed rotary drum II 62 are internally buried with wires, the wires in the fixed rotary drum I61 and the wires in the fixed rotary drum II 62 are respectively connected with two conductive ends of the electric heating sheet 11 in the blade 1, and further the conductive rings I63 and II 64 are respectively electrically connected with the two conductive ends of the electric heating sheet 11. It should be noted that, the conducting ring i 63 and the conducting ring ii 64 may be connected with a plurality of wires, and when the blades 1 on the wind power generation device are a plurality of blades, the conducting ends of the electric heating sheets 11 in the plurality of blades 1 may be electrically connected with the conducting ring i 63 and the conducting ring ii 64 through corresponding wires respectively.

When the conductive switch 7 is turned on, the two power supply ends of the power supply 41 are electrically connected with the conductive roller I53 and the conductive roller II 54 respectively, at this time, the conductive roller I53 and the conductive roller II 54 are equivalent to the two power supply ends of the power supply 41, and the conductive ring I63 and the conductive ring II 64 are equivalent to the two conductive ends of the electric heating plate 11. When the conductive roller I53 contacts with the conductive ring I63 and the conductive roller II 54 contacts with the conductive ring II 64, the electric connection between the electric heating plate 11 and the power source 41 is realized, and then the heating of the electric heating plate 11 is realized.

When the electric heating sheet 11 heats, the corresponding blade 1 can be heated, so that the ice flakes attached to the blade 1 are melted and fall off, and the deicing purpose of the ice flakes 1 is achieved. In practical application, a worker can determine whether the blade 1 is frozen through the camera 21, and when the blade 1 is frozen, the conduction switch 7 is controlled to be conducted, so that deicing of the blade 1 can be realized. The whole deicing operation is quicker and more convenient, and compared with the existing deicing mode, the deicing method is simpler and safer.

Simultaneously, fixed rotary drum I61 and fixed rotary drum II 62 synchronous rotation thereupon when blade 1 rotates, because the electrically conductive gyro wheel I53 on the fixed rotary drum I51 and the electrically conductive gyro wheel II 54 on the fixed rotary drum II 52 respectively with the electrically conductive ring I63 on the fixed rotary drum I61, the electrically conductive ring II 64 on the fixed rotary drum II 62 contact, even fixed rotary drum I61 and fixed rotary drum II 62 rotate, still can realize the intercommunication of electric source 41 and the interior electric heat piece 11 of blade 1 through controlling electrically conductive switch 7, and then can realize the deicing to the wind-driven generator blade 1 in operation, the suitability is stronger.

Further, in this embodiment, the fixed cylinder i 51, the fixed cylinder ii 52, the fixed cylinder i 61 and the fixed cylinder ii 62 are all insulating cylinders, and the conductive ring i 63, the conductive ring ii 64, the conductive roller i 53 and the conductive roller ii 54 are all made of conductive metal, preferably copper.

Embodiment 2 referring to fig. 2 and 3, on the basis of embodiment 1, elastic connection components are provided between the conductive roller i 53 and the fixed cylinder i 51, and between the conductive roller ii 54 and the fixed cylinder ii 52. The inner cylinder walls of the fixed cylinder I51 and the fixed cylinder II 52 are respectively provided with a plurality of mounting grooves 81, the corresponding cylinder walls can be provided with a plurality of mounting grooves 81, and the plurality of mounting grooves 81 are uniformly distributed along the circumference of the corresponding cylinder section.

The elastic connection assembly is arranged in the mounting groove 81, and the elastic connection assembly comprises elastic grooves 82 which are formed on groove walls on two sides of the mounting groove 81 and are symmetrical to each other. The elastic grooves 82 are movably provided with mounting blocks 83, two side walls of the mounting blocks 83 are respectively contacted with two side groove walls of the corresponding elastic grooves 82, and the mounting blocks 83 in the two elastic grooves 82 are mutually corresponding. One side of the mounting block 83, which is close to the bottom of the mounting groove 81, is connected to the bottom of the elastic groove 82 through an elastic member 84, and the elastic member 84 is selected as a spring. Pressing the mounting block 83 enables movement of the mounting block 83 within the corresponding elastic groove 82, and thus enables movable setting of the mounting block 83 within the corresponding elastic groove 82.

The conductive roller I53 and the conductive roller II 54 respectively correspond to the mounting groove 81 in the fixed cylinder I51 and the mounting groove 81 in the fixed cylinder II 52, the conductive roller I53 and the conductive roller II 54 are rotatably connected between the two mutually corresponding mounting blocks 83 through bearings in the corresponding mounting grooves 81, and the conductive roller I53 and the conductive roller II 54 are far away from one ends of the bottoms of the corresponding mounting grooves 81 to extend out of the grooves of the mounting grooves 81 and contact the corresponding conductive rings I63 and II 64 under the action of the corresponding elastic pieces 84.

The elastic piece 84 can play the elastic support's effect to electrically conductive gyro wheel I53 and electrically conductive gyro wheel II 54, can make electrically conductive gyro wheel I53 and electrically conductive gyro wheel II 54 contact with corresponding conducting ring I63, conducting ring II 64 all the time, avoid because of the rotation of fixed rotary drum I61 and fixed rotary drum II 62, make electrically conductive gyro wheel I53 or electrically conductive gyro wheel II 54 break away from with the contact of corresponding conducting ring I63, conducting ring II 64, avoid the unable circular telegram of electric heat piece 11.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. Wind-powered electricity generation engineering blade monitoring mechanism, including installing kuppe (2) of blade (1) and wind-powered electricity generation cabin shell (4) that are connected with kuppe (2) rotation through low-speed axle (3), its characterized in that: be equipped with on kuppe (2) and be used for monitoring camera (21) of blade (1), be equipped with electric heat piece (11) in blade (1), be equipped with power (41) in wind-powered electricity generation cabin shell (4), electric heat piece (11) are connected with power (41) through setting up universal conductive mechanism between kuppe (2) and wind-powered electricity generation cabin shell (4).

2. The wind power engineering blade monitoring mechanism of claim 1, wherein: the universal conductive mechanism comprises a fixed cylinder I (51) and a fixed cylinder II (52) which are fixed at the end part of the wind power engine room shell (4), and the fixed cylinder II (52) is positioned in the fixed cylinder I (51) and is coaxially arranged with the low-speed shaft (3);

fixed rotary drum I (61) and fixed rotary drum II (62) which are coaxially arranged with the low-speed shaft (3) are fixed on the end face of the air guide sleeve (2) facing the wind turbine cabin shell (4), the fixed rotary drum I (61) is inserted between the fixed drum I (51) and the fixed drum II (52), the fixed rotary drum II (62) is inserted between the fixed drum II (52) and the low-speed shaft (3), and movable conductive pieces are arranged between the fixed rotary drum I (61) and the fixed drum I (51) and between the fixed rotary drum II (62) and the fixed drum II (52).

3. The wind power engineering blade monitoring mechanism of claim 2, wherein: the movable conductive piece comprises a conductive roller I (53) and a conductive roller II (54) which are respectively arranged on the inner cylinder walls of the fixed cylinder I (51) and the fixed cylinder II (52), a conductive ring I (63) and a conductive ring II (64) are respectively embedded on the outer cylinder wall of the fixed cylinder II (62), the conductive roller I (53) is correspondingly contacted with the conductive ring I (63), the conductive roller II (54) is correspondingly contacted with the conductive ring II (64), the conductive ring I (63) and the conductive ring II (64) are respectively electrically connected with two conductive ends of the electric heating plate (11) on the blade (1), and the conductive roller I (53) and the conductive roller II (54) are respectively electrically connected with two conductive ends of the power supply (41) in the wind power cabin shell (4), and a conductive switch (7) is arranged between the power supply (41) and the conductive roller I (53) or the conductive roller II (54).

4. A wind power engineering blade monitoring mechanism according to claim 3, wherein: the electric conduction roller I (53) with between the fixed cylinder I (51), the electric conduction roller II (54) with all be equipped with elastic connection subassembly between the fixed cylinder II (52), all set up mounting groove (81) on the interior section of thick bamboo wall of fixed cylinder I (51) and fixed cylinder II (52), elastic connection subassembly sets up in mounting groove (81).

5. The wind power engineering blade monitoring mechanism according to claim 4, wherein: the elastic connection assembly comprises elastic grooves (82) which are formed in groove walls on two sides of the installation groove (81) and are symmetrical to each other, installation blocks (83) are movably arranged in the elastic grooves (82), the installation blocks (83) are connected with groove bottoms of the elastic grooves (82) through elastic pieces (84), the conductive rollers I (53) and the conductive rollers II (54) are respectively corresponding to the two installation grooves (81), the conductive rollers I (53) and the conductive rollers II (54) are installed between the two corresponding installation blocks (83) in the corresponding installation grooves (81), and the conductive rollers I (53) and the conductive rollers II (54) are in rotary connection with the corresponding installation blocks (83).

6. The wind power engineering blade monitoring mechanism of claim 5, wherein: the elastic member (84) is a spring.

7. A wind power engineering blade monitoring mechanism according to any of claims 2-6, wherein: the fixed cylinder I (51), the fixed cylinder II (52), the fixed cylinder I (61) and the fixed cylinder II (62) are all insulating cylinders.

8. The wind power engineering blade monitoring mechanism of claim 7, wherein: the camera (21) is a camera with a wide angle and an adjustable angle.