Fresh air module and air conditioner

Abstract

Disclosed are a fresh air module and an air conditioner. The fresh air module has a housing, a fan assembly and a purification assembly. The housing is provided with a fresh air inlet and a fresh air outlet. A fresh air duct is formed in the housing and communicates the fresh air inlet with the fresh air outlet. The fan assembly is mounted in the fresh air duct. The purification assembly is disposed in the fresh air duct and located at one end of the fan assembly in an axial direction of the fan assembly to correspond to an air inlet end of the fan assembly.

What is claimed is: 
     
         1 . A fresh air module comprising:
 a housing provided with a fresh air inlet and a fresh air outlet, a fresh air duct being formed in the housing and communicating the fresh air inlet with the fresh air outlet;   a fan assembly mounted in the fresh air duct; and   a purification assembly disposed in the fresh air duct and located at one end of the fan assembly in an axial direction of the fan assembly to correspond to an air inlet end of the fan assembly.   
     
     
         2 . The fresh air module according to  claim 1 , wherein:
 the fresh air module further comprises a middle partition plate disposed in the fresh air duct,   the middle partition plate is located at the air inlet end of the fan assembly and provided with a ventilation hole corresponding to the air inlet end of the fan assembly, and   the purification assembly is mounted on the middle partition plate and located on an air inlet side of the ventilation hole.   
     
     
         3 . The fresh air module according to  claim 2 , wherein:
 the fresh air outlet is provided on a front side wall of the housing,   a mounting opening is provided on a side of the fresh air outlet, and   the purification assembly is mounted on the middle partition plate and drawable through the mounting opening.   
     
     
         4 . The fresh air module according to  claim 3 , wherein:
 the middle partition plate is provided with a guide groove at a periphery of the air inlet side of the ventilation hole,   the guide groove has an opening facing the mounting opening of the housing, and   the guide groove is configured to guide the purification assembly to be pulled, pushed and mounted.   
     
     
         5 . The fresh air module according to  claim 4 , wherein:
 a shape of the guide groove is configured to match a shape of the purification assembly, and   an inner wall surface of the guide groove is configured to contact an outer peripheral wall of the purification assembly to seal a gap between the inner wall surface and the outer peripheral wall.   
     
     
         6 . The fresh air module according to  claim 5 , wherein:
 the guide groove has an arc-shaped guide wall surrounding the ventilation hole at a side away from the mounting opening and strip-shaped guide walls extending from two ends of the arc-shaped guide wall along a linear line towards the mounting opening, and   two strip-shaped guide walls and the arc-shaped guide wall cooperate to form a semi-racetrack shape.   
     
     
         7 . The fresh air module according to  claim 6 , wherein:
 two opposite sides of the purification assembly are provided with elastic buckles extending from the two opposite sides respectively,   the two strip-shaped guide walls of the guide groove are recessed to form positioning grooves corresponding to the elastic buckles, and   the positioning grooves are configured to clamp the elastic buckles correspondingly and positioning the purification assembly in the guide groove.   
     
     
         8 . The fresh air module according to  claim 6 , wherein a height of each strip-shaped guide wall from a surface of the middle partition plate is greater than a height of the arc-shaped guide wall from the surface of the middle partition plate. 
     
     
         9 . The fresh air module according to  claim 2 , wherein:
 the purification assembly comprises a mounting frame and a purifying member mounted on the mounting frame, and   a ventilation area of the purifying member is greater than a ventilation area of the ventilation hole.   
     
     
         10 . The fresh air module according to  claim 2 , wherein:
 the fresh air duct is divided by the middle partition plate into an air inlet cavity communicated with the fresh air inlet and an air outlet cavity communicated with the fresh air outlet,   the air outlet cavity is communicated with the air inlet cavity through the ventilation hole of the middle partition plate, and   the fan assembly is located in the air outlet cavity.   
     
     
         11 . The fresh air module according to  claim 10 , wherein:
 the fan assembly comprises a centrifugal wind wheel and a first motor,   an air inlet end of the centrifugal wind wheel faces the ventilation hole of the middle partition plate, and   the first motor is connected to another end of the centrifugal wind wheel.   
     
     
         12 . The fresh air module of  claim 10 , wherein the housing comprises:
 a bottom housing provided with a first cavity and a second cavity, wherein the middle partition plate is arranged at an opening of the first cavity to cooperate with the first cavity to form the air outlet cavity; and   a cover is fitted with the bottom housing and covers the bottom housing,   wherein a front air inlet cavity communicating with the fresh air inlet is formed between the cover and the second cavity, a rear air inlet cavity communicating with the ventilation hole is formed between the cover and the middle partition plate, and the rear air inlet cavity and the front air inlet cavity are communicated with each other to form the air inlet cavity.   
     
     
         13 . An air conditioner comprising:
 a housing provided with an air inlet, a first air outlet and a second air outlet, wherein the air inlet is in communication with the first air outlet;   the fresh air module according to  claim 1 ,   wherein the fresh air module is mounted in the housing, the fresh air inlet of the fresh air module is configured to communicate with outdoors through a fresh air tube, and the fresh air outlet of the fresh air module is configured to communicate with the second air outlet.   
     
     
         14 . The air conditioner according to  claim 13 , wherein the air conditioner comprises at least one of an indoor unit of a wall-mounted air conditioner, an indoor unit of a cabinet air conditioner, an air machine, an indoor unit of a ceiling type air conditioner or a mobile air conditioner. 
     
     
         15 . The air conditioner according to  claim 14 , wherein:
 the air conditioner comprises an indoor unit of the wall-mounted air conditioner;   the housing of the indoor unit of the wall-mounted air conditioner comprises a chassis, a frame and a panel, and   the fresh air module is mounted at an end of the chassis, a fresh air outlet of the fresh air module faces towards the panel, and the panel is provided with the second air outlet corresponding to the fresh air outlet.