Ceiling-type fresh air unit for indoor ventilation

Abstract

The invention provides a ceiling-type fresh air unit for indoor ventilation. The unit comprises a lower casing, an air filter element replacement window and a finger groove, wherein fresh air inlets are arranged at the left side of the top of an upper casing; dirty air turbofans are fixedly connected to the lower portion of the left side of the inside the lower casing; fresh air turbofans are fixedly connected to right side of the inside of the lower casing; and a concealed handle is composed of a handle seat, a handle connecting rod, a hand shank, a magnet and the finger groove. By being arranged as a lifting structure, the fresh air fan can be directly used as a suspended ceiling, and maintained by pulling the lower casing directly when repaired, so that the maintenance operation is simple with no influence on the decorated ornaments such as the existing suspended ceiling; the fresh air fan can be fixedly connected to the floor through a lockable flanged rod of a flexible structure,the connection is stable and the fresh air fan can be installed according to the height of the decoration, so that the unit is convenient to operate and quite applicable.

Description

Technical field [0001] The invention belongs to the technical field of air conditioning equipment, and more specifically, relates to a ceiling-mounted fresh air fan unit for indoor ventilation. Background technique [0002] With the improvement of living standards, people’s requirements for the quality of life are getting higher and higher, and the indoor air is getting more and more attention. The new fan is widely used as a machine for indoor air exchange. A new fan suspended in the ceiling saves space, and is widely used for reasons such as convenient pipe arrangement. [0003] For example, application number: CN201420814484.9. The present invention discloses a ceiling-mounted fresh air fan, which includes a fan body, a connecting piece, and a plurality of air ducts; the fan body is fixed with the support piece on the roof of the installation space through the connecting piece, and the fan The main body is provided with a fresh air inlet, a fresh air outlet, an exhaust air inle...

AI Technical Summary

Problems solved by technology

[0006] In order to solve the above-mentioned technical problems, the present invention provides a ceiling-type fresh air unit for indoor ventilation, to solve the problems caused by the existence of decorations such as the ceiling when the fresh air is generally installed in the ceiling and when maintaining and replacing the air filter element. Big inconvenience, during maintenance, it will destroy the existing ceiling and other decorations

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