Humidifier

Abstract

A humidifier may include a first humidifying water tank in which a first chamber in which water is heated is formed; a second humidifying water tank that is connected to the first humidifying water tank and having a second chamber in which humidified air is generated using water supplied from the first humidifying water tank via a vibrator; a fan that is disposed below the second humidifying water tank and forms an air flow; and a connection pipe that directs water stored in the first humidifying water tank to the second humidifying water tank. An exhaust hole through which humidified air generated in the second chamber is discharged to the outside and an air supply hole through which air blown by the fan is supplied to the second chamber may be formed in the second humidifying water tank. The second humidifying water tank may further include a lower extension wall that is disposed between the exhaust hole and the air supply hole and guides air flowing into the second chamber through the air supply hole to a lower portion of the second chamber.

What is claimed is: 
     
         1 . A humidifier, comprising:
 a first humidifying water tank in which a first chamber in which water is heated is formed;   a second humidifying water tank that is connected to the first humidifying water tank and having a second chamber that generates humidified air using water supplied from the first humidifying water tank via a vibrator;   a fan that is disposed below the second humidifying water tank and forms an air flow; and   a connection pipe that directs water stored in the first humidifying water tank to the second humidifying water tank, wherein an exhaust hole through which humidified air generated in the second chamber is discharged to an outside of the second humidifying water tank and an air supply hole through which air blown by the fan is supplied into the second chamber are formed in the second humidifying water tank, and wherein the second humidifying water tank further comprises a lower extension wall that is disposed between the exhaust hole and the air supply hole and guides air flowing into the second chamber through the air supply hole to a lower portion of the second chamber.   
     
     
         2 . The humidifier of  claim 1 , wherein the second humidifying water tank comprises:
 a second humidifying water tank wall that forms the second chamber;   the vibrator disposed at a lower side of the second humidifying water tank wall; and   a humidifying water tank cover disposed at an upper side of the second humidifying water tank wall, wherein the lower extension wall extends downward from the humidifying water tank cover.   
     
     
         3 . The humidifier of  claim 2 , wherein a length of the lower extension wall is equal to or more than a half of a length of the second humidifying water tank wall in an upward-downward direction. 
     
     
         4 . The humidifier of  claim 2 , wherein each of the exhaust hole and the air supply hole is formed in the humidifying water tank cover, and wherein the lower extension wall extends downward between the exhaust hole and the air supply hole. 
     
     
         5 . The humidifier of  claim 4 , wherein the lower extension wall has a bent shape along a circumference of the exhaust hole. 
     
     
         6 . The humidifier of  claim 1 , wherein the lower extension wall comprises:
 a first lower extension wall that extends downward from a portion at which the air supply hole is formed;   a second lower extension wall that is disposed at a first side of the first lower extension wall and extends downward; and   a third lower extension wall that is disposed at a second side of the first lower extension wall and extends downward, wherein a downwardly extending length of each of the second lower extension wall and the third lower extension wall is shorter than a downwardly extended length of the first lower extension wall.   
     
     
         7 . The humidifier of  claim 1 , wherein the fan blows air to an outer circumference of the second humidifying water tank, and wherein the second humidifying water tank further comprises an air guide cover that protrudes to the outside of the second humidifying water tank so that air flowing around the outer circumference of the second humidifying water tank flows to the air supply hole. 
     
     
         8 . The humidifier of  claim 7 , further comprising a case that is spaced apart from the second humidifying water tank or the first humidifying water tank, and forms a blower flow path through which air flows due to the fan, and wherein the air guide cover protrudes in a direction in which the blower flow path is formed to guide a portion of air flowing in the blower flow path to an inside of the humidifier. 
     
     
         9 . The humidifier of  claim 8 , further comprising a humidifying module housing that forms a space in which the second humidifying water tank and the first humidifying water tank are disposed, and forms the blower flow path between the humidifying module housing and the case, and wherein the air guide cover protrudes to an outside of a circumferential surface of the humidifying module housing. 
     
     
         10 . The humidifier of  claim 1 , wherein the second humidifying water tank further comprises a temperature sensor that detects a temperature of water stored in the second chamber, and wherein the vibrator operates when the temperature of the water detected by the temperature sensor is below a predetermined temperature. 
     
     
         11 . The humidifier of  claim 1 , wherein the connection pipe is disposed to be lower as it extends from an area connected to the first humidifying water tank to an area connected to the second humidifying water tank. 
     
     
         12 . The humidifier of  claim 1 , wherein the connection pipe extends along a circumference of the first humidifying water tank, wherein an area where the connection pipe is connected to the first humidifying water tank and an area where the connection pipe is connected to the second humidifying water tank are disposed in different directions. 
     
     
         13 . The humidifier of  claim 1 , further comprising a valve that opens and closes the connection pipe, wherein the valve is fixedly disposed at one side of the first humidifying water tank. 
     
     
         14 . The humidifier of  claim 13 , wherein the fan operates, when the valve opens the connection pipe. 
     
     
         15 . The humidifier of  claim 1 , wherein the first humidifying water tank comprises:
 a first humidifying water tank wall that forms the first chamber; and   a heater that is disposed at a lower side of the first humidifying water tank wall and heats water stored in the first chamber, and wherein the fan operates, when the heater operates.   
     
     
         16 . The humidifier of  claim 15 , wherein the first humidifying water tank comprises a temperature sensor that detects a temperature of water stored in the first chamber, and wherein the valve opens the connection pipe, when the temperature detected by the temperature sensor is equal to or higher than a predetermined temperature. 
     
     
         17 . A humidifier, comprising:
 a first humidifying water tank in which a first chamber in which water is heated is formed;   a second humidifying water tank that is connected to the first humidifying water tank and having a second chamber that generates humidified air using water supplied from the first humidifying water tank;   a connection pipe that directs water stored in the first humidifying water tank to the second humidifying water tank;   a valve that is disposed in the connection pipe and opens and closes the connection pipe;   a fan that forms an air flow around the second humidifying water tank; and   an air guide cover that protrudes outward from the second humidifying water tank and directs a portion of the air flow from the fan to the second chamber, wherein the fan operates to supply air to the second chamber, when the valve opens the connection pipe.   
     
     
         18 . The humidifier of  claim 17 , wherein the first humidifying water tank comprises:
 a first humidifying water tank wall that forms the first chamber; and   a heater that is disposed at a lower side of the first humidifying water tank wall and heats water stored in the first chamber, and wherein the fan operates when the heater operates, and operation of the fan is maintained when the valve opens the connection pipe.   
     
     
         19 . A humidifier, comprising:
 a first humidifying water tank in which a first chamber in which water is heated is formed;   a second humidifying water tank that is connected to the first humidifying water tank and having a second chamber that generates humidified air using water supplied from the first humidifying water tank;   a connection pipe that connects the first humidifying water tank and the second humidifying water tank;   a humidifying module housing that forms a space in which the first humidifying water tank and the second humidifying water tank are disposed;   a case that is spaced apart from an outer circumference of the humidifying module housing and forms a blower flow path between the humidifying module housing and the case; and   a fan that is disposed at a lower side of the humidifying module housing and forms an air flow in the blower flow path, wherein a portion of the connection pipe is disposed in the blower flow path.   
     
     
         20 . The humidifier of  claim 19 , further comprising an air guide cover that protrudes to an outside of the humidifying module housing to guide air flowing in the blower flow path to the second chamber, wherein a portion of the connection pipe disposed in the blower flow path is disposed below the air guide cover.