Airtightness auxiliary device suitable for on-line micro-deformation door and window test

Abstract

The invention discloses a leakproofness auxiliary device suitable for on-line micro-deformation door and window testing. The leakproofness auxiliary device comprises a rectangular frame composed of four self-adaptive included angle devices and a plurality of supporting rods. The supporting rod comprises a primary part and a secondary part, the secondary part is arranged on the primary part in a sliding mode, and a locking part is arranged on the secondary part. The supporting rods form the edges of the rectangular frame. The self-adaptive included angle device comprises a right-angle elastic piece, and the two ends of the right-angle elastic piece are connected with a first supporting piece and a second supporting piece respectively. The first supporting piece, the second supporting piece and the sub-piece are the same in structure; wherein the self-adaptive included angle device forms a vertex angle of the rectangular frame. A first supporting piece and a second supporting piece of the self-adaptive included angle device are arranged on a female piece of the supporting rod connected with the first supporting piece and the second supporting piece in a sliding mode, and a fine adjustment device is installed on the female piece. The outer side face of the rectangular frame is surrounded by a circle of sealing strip. The device is installed in a door and window frame of a predicted room, and the problem of untight sealing caused by door and window deformation and unusual structure proportion is reduced during ventilation frequency measurement.

Description

technical field [0001] The invention belongs to the field of room ventilation testing devices, and in particular relates to an airtight auxiliary device suitable for on-line micro-variation or unconventional ratio door and window testing. Background technique [0002] Ensuring sufficient fresh air volume and ventilation times in the living room is of great significance to creating good indoor air quality and meeting the hygienic requirements of the living room. The number of air changes is an important indicator for evaluating the ventilation effect of a room. To evaluate the indoor ventilation effect requires corresponding testing methods and testing instruments. [0003] Currently, the air change rate for a room is evaluated by dividing the air change rate of the room by the volume of the room. The main factor affecting the number of air changes in a room is the airtightness of doors and windows. The traditional number of air changes is mainly to test the doors and window...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide an airtight auxiliary device suitable for online micro-deformation door and window testing, aiming to solve the problem of door and window airtightness when measuring the number of air changes in a room online

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