Air conditioner

Abstract

An air conditioner of an embodiment of the present disclosure includes: a compressor; a first heat exchanger for heat-exchanging a refrigerant flowing from the compressor; a second heat exchanger for heat-exchanging the refrigerant flowing from the compressor; and a switching valve for sending the refrigerant discharged from the compressor to the first heat exchanger or the second heat exchanger. The first heat exchanger includes: a first refrigerant pipe; a second refrigerant pipe connected to the first refrigerant pipe; a third refrigerant pipe connected to the first refrigerant pipe and connected in parallel to the second refrigerant pipe; a connection band connecting the first refrigerant pipe, the second refrigerant pipe, and the third refrigerant pipe; and a separation tube connected to one side of the connection band so that a portion of the refrigerant flowing from the first refrigerant pipe flows. The connection band includes a first connection port connected to the first refrigerant pipe, a first branch port connected to the second refrigerant pipe, and a second branch port connected to the third refrigerant pipe. The separation tube is inserted into an inner side of the connection band by a predetermined length or more.

What is claimed is: 
     
         1 . An air conditioner, comprising:
 a compressor;   a first heat exchanger for heat-exchanging a refrigerant flowing from the compressor;   a second heat exchanger for heat-exchanging the refrigerant flowing from the compressor; and   a switching valve for sending the refrigerant discharged from the compressor to the first heat exchanger or the second heat exchanger, wherein:   the first heat exchanger comprises:   a first refrigerant pipe;   a second refrigerant pipe connected to the first refrigerant pipe;   a third refrigerant pipe connected to the first refrigerant pipe and connected in parallel to the second refrigerant pipe;   a connection band connecting the first refrigerant pipe, the second refrigerant pipe, and the third refrigerant pipe; and   a separation tube connected to one side of the connection band so that a portion of the refrigerant flowing from the first refrigerant pipe flows, the separation tube being inserted into an inner side of the connection band by a predetermined length or more.   
     
     
         2 . The air conditioner of  claim 1 , wherein:
 the connection band comprises a first connection port connected to the first refrigerant pipe, a first branch port connected to the second refrigerant pipe, and a second branch port connected to the third refrigerant pipe; and   the separation tube is inserted into one side of the connection band and extends into an inner side of the first connection port.   
     
     
         3 . The air conditioner of  claim 1 , wherein the connection band comprises a first connection port connected to the first refrigerant pipe, a first branch port connected to the second refrigerant pipe, a second branch port connected to the third refrigerant pipe, and a second connection port into which the separation tube is inserted. 
     
     
         4 . The air conditioner of  claim 3 , wherein the separation tube is inserted into an inner side of the first connection port by a predetermined length or more while being inserted into the second connection port. 
     
     
         5 . The air conditioner of  claim 3 , wherein the second connection port extends in a direction opposite to the first connection port. 
     
     
         6 . The air conditioner of  claim 3 , wherein:
 the separation tube comprises a first tube disposed inside the second connection port and a second tube connected to the first tube and extending into an inner side of the first connection port; and   a diameter of the second tube is smaller than a diameter of the first connection port.   
     
     
         7 . The air conditioner of  claim 6 , wherein the second tube extends along the center of a tube of the first connection port. 
     
     
         8 . The air conditioner of  claim 3 , wherein:
 the connection band further comprises an extension tube connected to the first connection port at one end and connected to each of the first branch port and the second branch port at the other end; and   the extension tube is disposed obliquely to each of the first connection port and the second connection port.   
     
     
         9 . The air conditioner of  claim 3 , wherein the first connection port and the second connection port are disposed in opposite directions based on a point where the extension tube is connected. 
     
     
         10 . The air conditioner of  claim 8 , wherein the first branch port and the second branch port extend in a direction symmetrical to the extension tube. 
     
     
         11 . The air conditioner of  claim 1 , wherein:
 the connection band comprises a first connection port connected to the first refrigerant pipe, a first branch port connected to the second refrigerant pipe, a second branch port connected to the third refrigerant pipe, and a second connection port into which the separation tube is inserted; and   the first connection port, the second connection port, the first branch port, and the second branch port extend in each different direction from one point.   
     
     
         12 . The air conditioner of  claim 11 , wherein:
 the separation tube is connected to the second connection port; and   an end of the separation tube extends past a point where the first branch port and the second branch port are connected to an inner side of the first connection port.   
     
     
         13 . The air conditioner of  claim 1 , wherein:
 the connection band comprises a first connection port connected to the first refrigerant pipe, a first branch port connected to the second refrigerant pipe, a second branch port connected to the third refrigerant pipe, and a second connection port into which the separation tube is inserted;   each of the first connection port, the first branch port, and the second branch port has a form that is bent downward from a single point; and   the second connection port has a structure that extends upward from the single point.   
     
     
         14 . The air conditioner of  claim 13 , wherein:
 the separation tube comprises a first tube disposed to contact an inside of the second connection port and a second tube connected to the first tube and extending into an inner side of the first connection port; and   the second tube is bent and extends toward the first connection port.   
     
     
         15 . The air conditioner of  claim 14 , wherein the second tube extends along the center of a tube of the first connection port. 
     
     
         16 . An air conditioner, comprising:
 a compressor;   a first heat exchanger for heat-exchanging a refrigerant flowing from the compressor;   a second heat exchanger for heat-exchanging the refrigerant flowing from the compressor; and   a switching valve for sending the refrigerant discharged from the compressor to the first heat exchanger or the second heat exchanger, wherein:   the first heat exchanger comprises:   a plurality of heat exchange tube sets comprising a first refrigerant pipe, a second refrigerant pipe connected to the first refrigerant pipe, and a third refrigerant pipe connected to the first refrigerant pipe and connected in parallel to the second refrigerant pipe;   a plurality of connection bands that are disposed in each of the plurality of heat exchange tube sets and are connected to each of the first refrigerant pipe, the second refrigerant pipe, and the third refrigerant pipe so as to supply the refrigerant flowing in the first refrigerant pipe to the second refrigerant pipe and the third refrigerant pipe;   a plurality of separation tubes that are connected to each of the plurality of connection bands and separate a gaseous refrigerant from the refrigerant flowing from the first refrigerant pipe;   a heat dissipation fin disposed to contact each of the plurality of heat exchange tube sets;   a first manifold that combines the refrigerant emitted from the plurality of heat exchange tube sets and sends the same to the compressor; and   a second manifold that combines the refrigerant emitted from the plurality of separation tubes and sends the same to the compressor.   
     
     
         17 . The air conditioner of  claim 16 , wherein:
 the connection band comprises one inlet port and two outlet ports; and   the separation tube extends from an inner side of the connection band in a direction in which the inlet port is disposed.   
     
     
         18 . The air conditioner of  claim 16 , further comprising:
 a bypass pipe that connects the second manifold and the compressor; and   a bypass pipe valve that is disposed in the bypass pipe and opens and closes a flow path formed inside the bypass pipe.   
     
     
         19 . An air conditioner, comprising:
 a compressor;   a first heat exchanger for heat-exchanging a refrigerant flowing from the compressor;   a second heat exchanger for heat-exchanging the refrigerant flowing from the compressor; and   a switching valve for sending the refrigerant discharged from the compressor to the first heat exchanger or the second heat exchanger, wherein:   the first heat exchanger comprises:   a first refrigerant pipe;   a second refrigerant pipe connected to the first refrigerant pipe;   a third refrigerant pipe connected to the first refrigerant pipe and connected in parallel to the second refrigerant pipe; and   a connection band that reduces an amount of the refrigerant flowing from the first refrigerant pipe and then distributes the flowing refrigerant to the second refrigerant pipe and the third refrigerant pipe, the connection band comprising a first connection port connected to the first refrigerant pipe, a first branch port connected to the second refrigerant pipe, a second branch port connected to the third refrigerant pipe, and a second connection port connected to the first connection port so that a portion of the refrigerant before being branched into the first branch port and the second branch port escapes.   
     
     
         20 . The air conditioner of  claim 19 , further comprising a separation tube connected to the second connection port,
 wherein the separation tube has a diameter smaller than an inner circumferential surface of the first connection port and extends into an inner side the first connection port.