Heat dissipation device for power module of wind turbine generator
By using a motor-driven movable cooling fan assembly, combined with a heat sink, fins, and a heat spreader, the cooling airflow coverage area can be dynamically adjusted, solving the problem of heat dissipation blind spots in traditional fixed air cooling methods and improving the heat dissipation efficiency and uniformity of wind turbine units.
CN224556099UActive Publication Date: 2026-07-24NAN JING HARVEST PRECISION MASCH CO LTD
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Patent Information
- Application Number
- CN202521784097.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-21
- Publication Date
- 2026-07-24
- Estimated Expiration
- 2035-08-21
AI Technical Summary
Technical Problem
Traditional fixed air-cooling methods are difficult to dynamically adjust according to the uneven temperature distribution inside the power module, resulting in heat dissipation blind spots and affecting the heat dissipation efficiency and reliability of the wind turbine.
Method used
A movable cooling fan assembly driven by a motor is used, and the dynamic coverage of the cooling fan is achieved through a gear and rack mechanism. Combined with the heat sink, fins and heat spreader, the cooling airflow coverage area is dynamically adjusted.
Benefits of technology
It improves heat dissipation efficiency and uniformity, eliminates local heat dissipation blind spots, and avoids problems of space occupation and increased energy consumption.
✦ Generated by Eureka AI based on patent content.
Abstract
The utility model relates to the technical field of heat dissipation devices, in particular to a heat dissipation device for a power module of a wind turbine generator. Comprising a bottom plate, a power module body is installed on the bottom plate, the upper portion of the power module body is sleeved with a heat dissipation shell, the four corners of the bottom of the heat dissipation shell are connected with the bottom plate through fixing rods, heat dissipation fins and a soaking plate are sequentially arranged at the top of the power module body, and the two sides of the top end of the heat dissipation shell are connected with a guide rail with a rack and a fixing guide rail respectively; one side of the guide rail with the rack is connected with a first movable side plate, one side of the fixed guide rail is connected with a second movable side plate, one side of the first movable side plate is connected with a motor, an output shaft of the motor is connected with a gear, the first movable side plate and the second movable side plate are connected through two connecting rods, and a plurality of cooling fans are arranged between the two connecting rods. According to the heat dissipation device for the power module of the wind turbine generator, the movable heat dissipation fan assembly is driven by the motor, dynamic coverage of heat dissipation wind power is achieved, and heat dissipation efficiency and uniformity are effectively improved.
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