Air exchanging device
An air displacement and hole technology, which is applied in airflow control elements, space heating and ventilation, space heating and ventilation details, etc. Effect
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[0010] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples.
[0011] refer to Figure 1~2 As shown, the present invention discloses an air replacement device, which is installed on the outer wall 4 with holes reserved, and includes a shunt grid 1 , a dust filter 2 and a control switch 3 .
[0012] The radius of the reserved hole is set to 100-150mm, and the inner side of the reserved hole is inclined downward to the outer side, and the inclination angle is 5°-10°. The reserved holes are set downwards to make it easier for the air to flow from the outside to the inside.
[0013] The shunt grid 1 is made of aluminum alloy, and it is arranged on the outside of the reserved hole. The control switch 3 is made of hard PVC plastic material and is located inside the reserved hole. The control switch 3 is composed of a pressing part 31 and ...
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