A type of bathroom heater

By adopting a design that combines bidirectional and unidirectional airflow volutes in the bathroom heater, the air duct structure is optimized, solving the problems of low air delivery efficiency and large size of existing bathroom heaters. This achieves higher air delivery efficiency and a smaller size, expanding the scope of application and improving cost-effectiveness.

CN224434523UActive Publication Date: 2026-06-30FOSHAN DEAN ELECTRICAL TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
FOSHAN DEAN ELECTRICAL TECH CO LTD
Filing Date
2025-06-23
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

Existing bathroom heaters use a dual-blowing volute structure, which results in low air delivery efficiency and large space occupation, limiting the size of the exhaust port and the internal structural layout, thus affecting performance improvement.

Method used

By combining bidirectional and unidirectional air-blowing volutes, only one air inlet is needed on the casing. The internal air duct structure is optimized, and the air outlet channel design, which combines Archimedes' spiral and wedge-shaped air ducts, reduces the volume and improves the air delivery efficiency.

Benefits of technology

It improves air supply and ventilation efficiency, reduces the size of the bathroom heater, expands the scope of application, and offers better cost performance. It also achieves a more compact internal structure and a more uniform air output effect.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224434523U_ABST
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Abstract

This utility model provides a bathroom heater / ventilation unit, including a housing with an exhaust vent and an air exchange vent. The housing also includes an air inlet. Inside the housing are a first and a second blowing volute. The first blowing volute is a bidirectional blowing volute with two exhaust vents and one air inlet. The air inlet of the bidirectional blowing volute is directly opposite the air inlet, such that one exhaust vent of the first blowing volute is connected to the exhaust vent via a first exhaust channel, and another exhaust vent of the first blowing volute is connected to the air exchange vent via a second exhaust channel. The exhaust vent of the second blowing volute is connected to the air exchange vent. This bathroom heater / ventilation unit, by providing an air inlet corresponding to the blowing volute and employing a bidirectional blowing volute, allows both blowing volutes to exchange air simultaneously, resulting in higher air exchange efficiency. It also allows for more room for improvement in the placement of the exhaust vent on the housing and the internal structural layout, thus improving the air delivery efficiency and reducing the size of the bathroom heater / ventilation unit.
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