Yaw rotation counting device for wind turbine generator
By designing the split housing and using the coordination of the connecting block and fastening bolts, the problem of difficult maintenance of existing yaw rotation counting devices for wind turbines is solved, and a more convenient maintenance process is achieved.
Patent Information
- Application Number
- CN202420662852.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-02
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-04-02
AI Technical Summary
The shell of the existing wind turbine unit is designed in an integrated manner, which makes it difficult to repair and cannot be easily disassembled and installed for parts.
It is designed as a split housing, and a first connecting block, a second connecting block, a fastening bolt and a nut are provided. Using the mutual cooperation of these components, the upper and lower housings can be easily disassembled and installed, and the maintenance of parts is facilitated.
It reduces the difficulty of repair, so that the parts in the upper and lower housings can be easily repaired, and improves the maintenance of the equipment.
Smart Images
Figure CN222672344U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of wind turbines, in particular to a yaw rotation counting device for wind turbines. Background Art
[0002] The wind turbine generator set includes a wind rotor and a generator. The wind rotor contains blades, a hub, and reinforcements. It has the functions of generating electricity by rotating the blades under wind force and rotating the generator head. The wind power source consists of a wind turbine generator set, a tower supporting the generator set, a battery charge controller, an inverter, a load unloader, a grid-connected controller, and a battery pack. Wind turbines are usually equipped with a yaw rotation counting device. The wind turbine yaw counter is widely used in wind power generation equipment and is an important device for realizing wind energy utilization. When certain wind energy utilization conditions are met, the wind turbine yaw counter can automatically adjust the rotation direction of the wind rotor so that it always faces the wind direction, thereby ensuring full utilization of wind energy. Energy can be saved and energy consumption can be reduced in wind energy utilization, which is very important for environmental protection and energy conservation.
[0003] The existing yaw rotation counting device for wind turbines is usually designed as an integrated shell when in use, which makes it inconvenient to repair the components in the upper shell and the lower shell, making the maintenance difficult. Therefore, there is an urgent need for a yaw rotation counting device for wind turbines to solve the above technical problems. Utility Model Content
[0004] The purpose of the utility model is to provide a yaw rotation counting device for a wind turbine set to solve the problem that the existing yaw rotation counting device for a wind turbine set proposed in the above background technology, when in use, the shell is usually an integrated design, which makes it inconvenient to repair the components in the upper shell and the lower shell, making the maintenance difficult.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A yaw rotation counting device for a wind turbine generator system comprises a wind turbine yaw counter body, an upper shell and a lower shell, wherein a lower shell is arranged directly below the upper shell, left and right ends of the upper shell are connected to a first connecting block, left and right ends of the lower shell are connected to a second connecting block, connecting holes are provided on the first connecting block and the second connecting block, the first connecting block and the second connecting block are connected by fastening bolts passing through the connecting holes thereon and matching nuts, a wind direction sensor is installed on the top of the upper shell, a mounting block is connected to the lower end of the lower shell, four corners of the mounting block are provided with mounting holes, a wind turbine yaw counter body is installed inside the lower shell, grooves are provided at the bottom and top of the upper shell and the lower shell, one end of the wind turbine yaw counter body passes through the groove and extends outward, and an electronic controller is provided at the inner bottom of the lower shell.
[0007] As a preferred technical solution of the utility model, the number of the fastening bolts and nuts is set to four, and they are arranged opposite to each other in pairs.
[0008] As a preferred technical solution of the utility model, the electronic controller is electrically connected to the main body of the wind turbine yaw counter.
[0009] As a preferred technical solution of the present utility model, the wind direction sensor is electrically connected to the electronic controller.
[0010] As a preferred technical solution of the present utility model, the cross-sectional shape of the groove is a semicircular structure.
[0011] As a preferred technical solution of the present invention, the first connecting block and the second connecting block have the same structure and size.
[0012] Compared with the prior art, the utility model has the following beneficial effects:
[0013] 1. The utility model designs the shell into a split type, and sets a first connecting block, a second connecting block, a fastening bolt and a nut. The first connecting block, the second connecting block, the fastening bolt and the nut cooperate with each other, so as to facilitate the disassembly and installation of the upper shell and the lower shell, and facilitate the maintenance of the parts in the upper shell and the lower shell, thereby reducing the difficulty of maintenance.
[0014] 2. The utility model has a simple structure, reasonable design, low manufacturing cost and is suitable for wide promotion and use. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:
[0016] Figure 1It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the structure of the upper housing and the first connecting block of the utility model;
[0018] Figure 3 This is a schematic diagram of the internal structure of the lower shell of the utility model;
[0019] Figure 4 It is a schematic diagram of the connection relationship structure between the first connecting block and the second connecting block of the utility model.
[0020] In the figure: 1. mounting block; 2. mounting hole; 3. lower shell; 4. upper shell; 5. first connecting block; 6. wind direction sensor; 7. second connecting block; 8. electronic controller; 9. groove; 10. fastening bolt; 11. fan yaw counter body; 12. nut. DETAILED DESCRIPTION
[0021] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It should also be noted that, for ease of description, only the parts related to the utility model are shown in the accompanying drawings. The different types of section lines in the drawings in the embodiments of the utility model are not marked according to the national standard, nor are there any requirements for the materials of the components, but are used to distinguish the cross-sectional views of the components in the drawings.
[0022] See also Figure 1-4 A yaw rotation counting device for a wind turbine includes a wind turbine yaw counter body 11, an upper shell 4 and a lower shell 3. The lower shell 3 is arranged directly below the upper shell 4. The left and right ends of the upper shell 4 are connected to a first connecting block 5, and the left and right ends of the lower shell 3 are connected to a second connecting block 7. The first connecting block 5 and the second connecting block 7 are both provided with connecting holes. The first connecting block 5 and the second connecting block 7 are connected by fastening bolts 10 passing through the connecting holes thereon and matching nuts 12. The first connecting block 5, the second connecting block 7, the fastening bolts 10 and the nuts 12 are used to cooperate with each other. The function is to facilitate the disassembly and installation of the upper shell 4 and the lower shell 3, and to facilitate the maintenance of the parts in the upper shell 4 and the lower shell 3, thereby reducing the difficulty of maintenance. A wind direction sensor 6 is installed on the top of the upper shell 4, and a mounting block 1 is connected to the lower end of the lower shell 3. Mounting holes 2 are provided at the four corners of the mounting block 1. A fan yaw counter body 11 is installed inside the lower shell 3. Grooves 9 are provided at the bottom and top of the upper shell 4 and the lower shell 3. One end of the fan yaw counter body 11 passes through the groove 9 and extends outward. An electronic controller 8 is provided at the inner bottom of the lower shell 3.
[0023] The number of the fastening bolts 10 and nuts is four, and they are arranged opposite to each other in pairs.
[0024] The electronic controller 8 is electrically connected to the wind turbine yaw counter body 11 .
[0025] The wind direction sensor 6 is electrically connected to the electronic controller 8 .
[0026] The cross-sectional shape of the groove 9 is a semicircular structure.
[0027] The first connecting block 5 and the second connecting block 7 have the same structure and size.
[0028] The working principle and use process of the utility model: when the upper shell 4 and the lower shell 3 need to be disassembled, the fastening bolts 10 and nuts 12 on the first connecting block 5 and the second connecting block 7 at both ends of the upper shell 4 and the lower shell 3 are disassembled, and the parts in the upper shell 4 and the lower shell 3 can be repaired at this time, which reduces the difficulty of repair, has a simple structure, reasonable design, low manufacturing cost, and is suitable for wide promotion and use;
[0029] The wind direction sensor 6 senses the wind direction and transmits the wind direction signal to the electronic controller 8. After receiving the signal, the electronic controller 8 calculates the angle difference between the wind wheel and the wind direction through a software algorithm, and controls the action of the actuator according to the calculation result, so that the wind wheel adjusts the rotation direction and the wind wheel rotates in accordance with the wind direction to maximize the use of wind energy. The contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.
[0030] The above description is only a preferred embodiment of the present application and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the utility model involved in the present application is not limited to the technical solution formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the concept of the utility model. For example, the above features are replaced with the technical features with similar functions disclosed in the present application (but not limited to) by each other to form a technical solution.
Claims
1. A yaw rotation counting device for a wind turbine, comprising a wind turbine yaw counter body (11), an upper housing (4) and a lower housing (3), characterized in that: A lower shell (3) is arranged directly below the upper shell (4); the left and right ends of the upper shell (4) are connected to first connecting blocks (5); the left and right ends of the lower shell (3) are connected to second connecting blocks (7); the first connecting block (5) and the second connecting block (7) are both provided with connecting holes; the first connecting block (5) and the second connecting block (7) are connected by fastening bolts (10) passing through the connecting holes thereon and matching nuts (12); a wind direction sensor (6) is installed on the top of the upper shell (4); a mounting block (1) is connected to the lower end of the lower shell (3); four corners of the mounting block (1) are provided with mounting holes (2); a fan yaw counter body (11) is installed inside the lower shell (3); grooves (9) are provided at the bottom and top of the upper shell (4) and the lower shell (3); one end of the fan yaw counter body (11) passes through the groove (9) and extends outwards; an electronic controller (8) is arranged at the bottom of the lower shell (3).
2. The yaw rotation counting device for a wind turbine according to claim 1, characterized in that: The number of the fastening bolts (10) and nuts is set to four, and they are arranged opposite to each other in pairs.
3. The yaw rotation counting device for a wind turbine according to claim 1, characterized in that: The electronic controller (8) is electrically connected to the fan yaw counter body (11).
4. The yaw rotation counting device for a wind turbine according to claim 1, characterized in that: The wind direction sensor (6) is electrically connected to the electronic controller (8).
5. The yaw rotation counting device for a wind turbine according to claim 1, characterized in that: The cross-sectional shape of the groove (9) is a semicircular structure.
6. The yaw rotation counting device for a wind turbine according to claim 1, characterized in that: The first connecting block (5) and the second connecting block (7) have the same structure and size.