Integrated Wind Turbine Damper for Frequency Tuning and Vibration Damping
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Solution Overview
Problem
Traditional dampers for wind turbines have complex structural designs due to separate frequency adjustment and damping components, leading to increased maintenance challenges and interference issues in narrow tower spaces.
Innovation Solution
A damping integrated device with a base body containing an inner cavity, a frequency adjustment component, and a damping component connected via a first connector, allowing for simultaneous frequency adjustment and energy absorption, reducing the need for multiple interfaces and simplifying maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If frequency adjustment component and damping component are designed separately and disposed in different positions, then each component can be optimized independently, but the structural design becomes complicated and maintenance becomes difficult
Solution Approach 1:
The patent combines the frequency adjustment component and damping component into a single integrated device. The mass block serves as the frequency adjustment component while the damping component is positioned adjacent to it, both connected to the supporting structure. This merging eliminates the need for separate interfaces and reduces structural complexity while maintaining independent optimization of each component's function.
2Adaptability or versatility
If frequency adjustment component and damping component are disposed in different positions, then each component can function independently, but the number of interfaces increases and maintenance becomes more complex
Solution Approach 1:
The integrated design positions the mass block and damping component adjacent to each other within the same structural assembly. Both components remain functionally independent but are mechanically integrated through shared mounting structures, reducing the number of external interfaces and simplifying maintenance access.
3Reliability
If traditional separate component design is used, then frequency adjustment and damping functions are achieved, but the device occupies more space and has complex interfaces
Solution Approach 1:
The damping component is positioned adjacent to and integrated with the mass block, with both components sharing the same mounting space on the supporting structure. This nested arrangement allows the damping component to utilize the space around the mass block, reducing the overall volume occupied by the vibration damping device.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The integrated device provides a compact structure with both frequency adjustment and damping capabilities, enhancing the safety and stability of wind turbines by reducing vibration while minimizing maintenance complexity.
Implementation Method 1
a frequency adjustment component (20) disposed in the inner cavity (10a), the frequency adjustment component (20) including an elastic member (21) and a connecting member (22)
Implementation Method 2
a damping component (40) disposed in the inner cavity (10a), the damping component (40) being connected to the connecting member (22) and at least partially abutting against an inner wall of the base body (10), and the damping portion being configured to absorb kinetic energy of the first connector
Data Source
AI summary
A damping integrated device, a damper, and a wind turbine are provided. The damping integrated device includes: a base body including an inner cavity extending in the lengthwise direction thereof; a frequency adjustment component disposed in the inner cavity and including an elastic member and a connecting member; a first connector extending into the inner cavity and at least partially protruding out of the base body in the lengthwise direction, the first connector being capable of moving relative to the base body, to make the elastic member stretch or shrink in the lengthwise direction; and a damping component disposed in the inner cavity, being connected to the connecting member and at least partially abutting against an inner wall of the base body, and the damping component being configured to absorb kinetic energy of the first connector.