Adjustable lighting ventilator for roof shelter
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- 锦州鹏翔电力轻钢设备有限公司
- Publication Date
- 2011-12-28
Smart Images
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Abstract
Description
technical field
[0001] The invention relates to a natural ventilation device on a building roof, in particular to an adjustable daylighting ventilator for roof shelter from wind. Background technique
[0002] At present, natural ventilation roof ventilators are widely used in the roof ventilation design of large industrial plants. The standard roof ventilator commonly used at present is to be installed on the support at the corresponding air vent place on the roof, is located at the rain shield above the support, outer guard plate, flashing plate and diversion valve plate and constitutes. The structure of this roof ventilator is poor, and there are the following problems in use: 1. The air exhaust port and the drain port are always open, and when the diversion valve plate is closed, the external airflow cannot be prevented from entering the ventilation from the air exhaust port and the drain port. Therefore, rain, snow, sand and dust often fall on the diversion valve plate,...