Humidifying apparatus

Abstract

A humidifying apparatus, including a water tank, a water pump, a wet curtain assembly, and a water passage structure. The water tank has a water storage chamber. A water inlet of the water pump is adapted to communicate with the water storage chamber. The wet curtain assembly is disposed above the water storage chamber and has a water supply port and a drainage port. The water passage structure is an integrated structure and includes a water inlet channel and a return water channel spaced apart from each other. An upper end of the water inlet channel is connected to the water supply port, and an upper end of the return water channel is connected to the drainage port.

1 . A humidifying apparatus, comprising:
 a water tank having a water storage chamber;   a water pump, a water inlet of the water pump being adapted to communicate with the water storage chamber;   a wet curtain assembly disposed above the water storage chamber and having a water supply port and a drainage port;   a water passage structure being an integrated structure, and comprising a water inlet channel and a return water channel spaced apart from each other, wherein an upper end of the water inlet channel is connected to the water supply port, an upper end of the return water channel is connected to the drainage port, a lower end of the water inlet channel is connected to a water outlet of the water pump, and a lower end of the return water channel is in communication with an inside of the water storage chamber.   
     
     
         2 . The humidifying apparatus according to  claim 1 , wherein the return water channel comprises a water directing surface, and from top to bottom, the water directing surface is configured to incline in a direction approaching the water inlet channel. 
     
     
         3 . The humidifying apparatus according to  claim 2 , wherein a bottom of the wet curtain assembly is provided with a downwardly recessed water collecting tank, the drainage port is arranged in a side wall of the water collecting tank, and a top end of the water directing surface is configured to extend to a side opposite to the drainage port. 
     
     
         4 . The humidifying apparatus according to  claim 2 , wherein a bottom end of the return water channel is configured to extend to a bottom of the water storage chamber. 
     
     
         5 . The humidifying apparatus according to  claim 1 , wherein the water pump is disposed below the water tank; the water tank has a drain outlet; and the water inlet of the water pump is in communication with the drain outlet of the water tank. 
     
     
         6 . The humidifying apparatus according to  claim 5 , wherein the water outlet of the water pump is configured to penetrate a bottom wall of the water storage chamber and to extend over the bottom wall of the water storage chamber; an annular wall is arranged on the bottom wall of the water storage chamber and surrounds the water outlet of the water pump; and the water inlet channel is sealingly connected to the annular wall through a first sealing ring. 
     
     
         7 . The humidifying apparatus according to  claim 6 , wherein a first assembly annular groove is formed on an outer side of the lower end of the water inlet channel, and the first sealing ring is arranged inside the first assembly annular groove. 
     
     
         8 . The humidifying apparatus according to  claim 1 , wherein the wet curtain assembly comprises:
 a bottom cover, the water supply port and the drainage port being both arranged in the bottom cover;   a wet curtain arranged on the bottom cover;   a net cover fixedly connected to the bottom cover and surrounding the wet curtain, wherein: the net cover is provided with a liquid distributor located on a top of the wet curtain; a water supply channel is arranged inside the net cover, and a top end of the water supply channel is in communication with the liquid distributor; and a top end of the water inlet channel is configured to pass through the water supply port and to be sealingly connected to a bottom end of the water supply channel through a second sealing ring.   
     
     
         9 . The humidifying apparatus according to  claim 8 , wherein a second assembly annular groove is formed on an outer side of the top end of the water inlet channel, and the second sealing ring is arranged inside the second assembly annular groove. 
     
     
         10 . The humidifying apparatus according to  claim 8 , wherein the wet curtain, the bottom cover, and the net cover are arranged inside the water tank and located above the water storage chamber; the wet curtain assembly further comprises a bracket for the wet curtain; and the bracket for the wet curtain is fixedly connected to the net cover and supported on a top of the water tank. 
     
     
         11 . The humidifying apparatus according to  claim 10 , wherein the bracket for the wet curtain has a through hole corresponding to a center of the wet curtain; the bracket for the wet curtain is provided with a water guiding surface surrounding the through hole; and the water guiding surface is configured to guide water to flow to the bottom cover. 
     
     
         12 . The humidifying apparatus according to  claim 1 , wherein an annular groove is formed on a bottom wall of the water storage chamber, and the lower end of the return water channel is embedded in the annular groove. 
     
     
         13 . The humidifying apparatus according to  claim 5 , wherein wires supplying power to the water pump are disposed outside the water tank. 
     
     
         14 . The humidifying apparatus according to  claim 5 , wherein the lower end of the water inlet channel is configured to penetrate a bottom wall of the water storage chamber and then to be connected to the water outlet of the water pump, and the water inlet channel is sealingly connected to the bottom wall of the water storage chamber. 
     
     
         15 . The humidifying apparatus according to  claim 8 , wherein the wet curtain is in an annular shape. 
     
     
         16 . The humidifying apparatus according to  claim 8 , wherein the net cover is a hollowed-out supporter. 
     
     
         17 . The humidifying apparatus according to  claim 8 , wherein the net cover is provided with a buckle and is connected to the bottom cover by the buckle. 
     
     
         18 . The humidifying apparatus according to  claim 2 , wherein the water pump is disposed below the water tank; the water tank has a drain outlet; and the water inlet of the water pump is in communication with the drain outlet of the water tank. 
     
     
         19 . The humidifying apparatus according to  claim 3 , wherein the water pump is disposed below the water tank; the water tank has a drain outlet; and the water inlet of the water pump is in communication with the drain outlet of the water tank. 
     
     
         20 . The humidifying apparatus according to  claim 2 , wherein the wet curtain assembly comprises:
 a bottom cover, the water supply port and the drainage port being both arranged in the bottom cover;   a wet curtain arranged on the bottom cover;   a net cover fixedly connected to the bottom cover and surrounding the wet curtain, wherein: the net cover is provided with a liquid distributor located on a top of the wet curtain; a water supply channel is arranged inside the net cover, and a top end of the water supply channel is in communication with the liquid distributor; and a top end of the water inlet channel is configured to pass through the water supply port and to be sealingly connected to a bottom end of the water supply channel through a second sealing ring.