Volute structure and centrifugal fan
By setting the first silence chamber of the liquid silence medium in the volute structure of the centrifugal fan, the problem of high noise during operation of the centrifugal fan is solved, the noise reduction effect is achieved and the normal operation of the equipment is ensured.
CN222668480UActive Publication Date: 2025-03-25MARSSENGER KITCHENWARE CO LTD
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Patent Information
- Application Number
- CN202421514606.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-06-28
AI Technical Summary
Technical Problem
The volute structure in existing centrifugal fans will produce large noise during the fume absorption process, resulting in reduced equipment reliability, affected user comfort, and may endanger physical and mental health.
Method used
A volute shell structure is designed, including a receiving cavity and a first silence cavity in the housing, the first silence cavity ring is arranged around the receiving cavity and is filled with a liquid silence medium, and the liquid level is higher than the apex of the impeller to absorb noise energy.
Benefits of technology
Through the absorption effect of the liquid silence medium, the noise of the centrifugal fan is significantly reduced, the normal operation of the equipment is ensured, and the user experience is improved.
✦ Generated by Eureka AI based on patent content.
Abstract
The utility model relates to the technical field of kitchen utensils, and discloses a volute structure and a centrifugal fan. The volute structure comprises a shell, a containing cavity and a first silencing cavity are formed in the shell, the first silencing cavity is annularly arranged around the containing cavity, the containing cavity is used for installing an impeller, and the first silencing cavity is filled with a liquid silencing medium. Compared with the scheme that a solid sound absorbing material is arranged on the cavity wall of the containing cavity in the prior art, the liquid sound attenuation medium is better in noise energy absorption effect, due to the fact that the liquid sound attenuation medium is arranged in the closed first sound attenuation cavity, the resistance of airflow is not increased, the wind speed is not affected, normal work of the centrifugal fan can be guaranteed, and the service life of the centrifugal fan is prolonged. Meanwhile, the use experience of the user can be improved.
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