Automatic dedusting, heating, moistening and air exchanging machine
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- 武雄
- Publication Date
- 2003-06-04
- Estimated Expiration
- Not applicable · inactive patent
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Abstract
Description
technical field
[0001] The invention is a household appliance, which belongs to ventilation equipment. Background technique
[0002] In recent years, the density of buildings in cities has gradually increased, resulting in increasingly obvious static wind and greenhouse effects in cities, and the effect of natural ventilation has gradually deteriorated. Due to the deterioration of the environment and industrial pollution, the sandy weather and the amount of dust in the air in some areas have increased, and there is a great demand for clean power ventilation for rooms.
[0003] The power ventilation of the room generally uses exhaust fan (blower) technology, and there are two ways of positive pressure ventilation and negative pressure ventilation. The unique natural ventilation and power ventilation also send dry and cold sand and dust into the room while exchanging air. Negative pressure ventilation uses exhaust fans to exhaust the indoor air to the outside, and the outdoo...