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Title:
VENTILATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/089414
Kind Code:
A1
Abstract:
Disclosed is a ventilation device, comprising a filtering mechanism, heat exchange mechanism, silencing and noise reduction mechanism and efficient filtering mechanism disposed inside a device box body; an outdoor air inlet is located at an inlet of the filtering mechanism; an air outlet of the filtering mechanism is connected to the heat exchange mechanism; a cleaning unit and a metal screen are arranged in the filtering mechanism; the metal screen is arranged close to the filtering mechanism; and the cleaning unit is used for cleaning a filter screen. The heat exchange mechanism comprises a heat exchanger and a fan; outdoor air is connected to the silencing and noise reduction mechanism after passing through the heat exchanger, and indoor air is discharged outside by means of the fan after passing through the heat exchanger. The efficient filtering mechanism is used for further filtering the outdoor air after noise reduction by the silencing and noise reduction mechanism, and the air outlet of the efficient filtering mechanism is connected to a room. The structural design of the ventilation device is simple and reasonable, the costs are reduced, the application range is wide, the replacement maintenance frequency of the filter screen is reduced, and the service life of the unit is prolonged.

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Inventors:
ZHANG QIANGSHENG (CN)
CHEN YIWEI (CN)
SHI HONG (CN)
DONG MINGWEI (CN)
JING FENG (CN)
DING JIANGWEI (CN)
Application Number:
PCT/CN2021/126352
Publication Date:
May 05, 2022
Filing Date:
October 26, 2021
Export Citation:
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Assignee:
ZHEJIANG SHUANGYANG FAN CO LTD (CN)
International Classes:
F24F3/16; F24F7/007; F24F11/89; F24F13/24; F24F13/28; F24F13/30
Foreign References:
CN112128886A2020-12-25
CN205316602U2016-06-15
CN108758947A2018-11-06
CN208301580U2019-01-01
CN205316578U2016-06-15
CN211704427U2020-10-20
CN111686518A2020-09-22
KR20110035636A2011-04-06
JP2009144954A2009-07-02
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