Ice-making device and refrigerator

Abstract

An ice-making device according to the present embodiment may include an ice-making unit which is provided in an ice-making chamber and is for making ice. The ice-making device may further include a water supply unit for supplying water to the ice-making unit during an ice-making process. The ice-making unit may include a first tray having a first ice-making cell in which first ice is formed. The ice-making unit may further include a second tray having a second ice-making cell in which second ice of a different type from the first ice is formed.

1 . An ice making device comprising:
 an ice maker configured to generate ice and provided in an ice making chamber; and   a liquid supplier configured to supply liquid to the ice maker in an ice making process,   wherein the ice maker comprises a first tray including a first cell in which first ice is formed, and a second tray including a second cell in which second ice of a different type from the first ice is formed.   
     
     
         2 . The ice making device of  claim 1 ,
 wherein the first ice and the second ice are different from each other in one or more of transparency, size, and shape.   
     
     
         3 . The ice making device of  claim 2 ,
 wherein the first tray comprises a plurality of first cells, and the second tray comprises a plurality of second cells,   wherein a volume of one first cell is less than a volume of one second cell.   
     
     
         4 . The ice making device of  claim 3 ,
 wherein a sum of volumes of the plurality of first cells is greater than a sum of volumes of the plurality of second cells.   
     
     
         5 . The ice making device of  claim 1 ,
 wherein the first tray and the second tray are arranged in a horizontal direction or in a vertical direction.   
     
     
         6 . The ice making device of  claim 5 ,
 wherein in a state in which the first tray is connected to the second tray, the first and second trays are disposed in the ice making chamber.   
     
     
         7 . The ice making device of  claim 5 ,
 wherein the first tray and the second tray are disposed in the ice making chamber while being spaced apart from each other in a horizontal direction or in a vertical direction.   
     
     
         8 . The ice making device of  claim 5 ,
 wherein at least a portion of the first cell overlaps the second cell in a horizontal direction or in a vertical direction.   
     
     
         9 . The ice making device of  claim 5 ,
 wherein one end of the first cell is positioned lower than one end of the second cell,   another end of the first cell is positioned higher than another end of the second cell, or   one end of the first cell is positioned lower than one end of the second cell and another end of the first cell is positioned higher than another end of the second cell.   
     
     
         10 . The ice making device of  claim 5 ,
 wherein the second tray comprises an upper tray that defines a second one cell which is a portion of the second cell, and   a lower tray that defines a second another cell which is another portion of the second cell and rotatable with respect to the upper tray based on a rotation center, and   wherein the second cell is positioned between the rotation center and the first cell.   
     
     
         11 . The ice making device of  claim 5 ,
 wherein the first tray comprises: a first one tray that defines a first one cell which is a portion of the first cell, and   a first another tray that defines a first another cell which is another portion of the first cell and coupled to the first one tray,   wherein the second tray comprises: a second one tray that defines a second one cell which is a portion of the second cell, and   a second another tray that defines a second another cell which is another portion of the second cell,   wherein a coupling portion of the first one tray and the first another tray is positioned lower than a contact portion of the second one tray and the second another tray in the ice making process.   
     
     
         12 . The ice making device of  claim 1 ,
 further comprising a liquid supply assembly configured to supply liquid during a liquid supply process,   wherein the liquid supply assembly is positioned higher than the first cell and the second cell.   
     
     
         13 . The ice making device of  claim 12 ,
 further comprising a heat exchanger configured to cool the ice maker, and   wherein the liquid supply assembly is positioned higher than the heat exchanger.   
     
     
         14 . The ice making device of  claim 1 ,
 further comprising a heat exchanger configured to cool the ice maker, and   wherein the heat exchanger comprises a first refrigerant pipe configured to cool the first tray, and a second refrigerant pipe configured to cool the second tray.   
     
     
         15 . The ice making device of  claim 14 ,
 wherein the first refrigerant pipe comprises a first cooling pipe in contact with the first tray, and a second cooling pipe in contact with the first tray at a different height from the first cooling pipe.   
     
     
         16 . The ice making device of  claim 15 ,
 wherein the first refrigerant pipe comprises a first inlet pipe, and a first bent pipe bent and extending from the first inlet pipe, and   wherein the first cooling pipe is connected to the first bent pipe and the second cooling pipe is disposed lower than the first cooling pipe.   
     
     
         17 . The ice making device of  claim 15 ,
 wherein the second refrigerant pipe comprises a third cooling pipe in contact with the second tray, and   wherein the third cooling pipe is disposed higher than the first cooling pipe and the second cooling pipe.   
     
     
         18 . The ice making device of  claim 14 ,
 wherein at least a portion of an inlet pipe of the first refrigerant pipe and a discharge pipe of the second refrigerant pipe are arranged in a vertical direction or in a horizontal direction.   
     
     
         19 . The ice making device of  claim 18 ,
 wherein at least a portion of an inlet pipe of the first refrigerant pipe overlaps a discharge pipe of the second refrigerant pipe in a vertical direction or a horizontal direction or is arranged in parallel with a discharge pipe of the second refrigerant pipe.   
     
     
         20 . The ice making device of  claim 1 ,
 further comprising a first storage space for storing the first ice, and   a second storage space for storing the second ice and partitioned from the first storage space.   
     
     
         21 . (canceled)