Heat source apparatus and refrigeration cycle apparatus

Abstract

A heat source apparatus includes a refrigerant circuit, a refrigerant container, a connection part, a communication pipe, and a protective member. The refrigerant circuit includes a compressor and a heat exchanger. The refrigerant container is connected to the refrigerant circuit. The refrigerant container is filled with a flammable refrigerant. The connection part is connected to the refrigerant container. The communication pipe connects the connection part to the refrigerant circuit. The protective member protects the connection part.

1 . A heat source apparatus comprising:
 a refrigerant circuit including a compressor and a heat exchanger;   a refrigerant container that is connected to the refrigerant circuit and is filled with a flammable refrigerant;   a connection part connected to the refrigerant container;   a communication pipe that connects the connection part and the refrigerant circuit; and   a protective member that protects the connection part.   
     
     
         2 . The heat source apparatus according to  claim 1 , wherein:
 the connection part includes a connection valve that opens and closes the communication pipe, and   the protective member protects the connection valve.   
     
     
         3 . The heat source apparatus according to  claim 2 , wherein:
 the connection part further includes a connection pipe that is connected to the refrigerant container, and   the protective member further protects the connection pipe.   
     
     
         4 . The heat source apparatus according to  claim 1 , wherein the protective member includes an opening. 
     
     
         5 . The heat source apparatus according to  claim 4 , wherein the opening is on a maintenance side. 
     
     
         6 . The heat source apparatus according  claim 1 , wherein the connection part is below the refrigerant container. 
     
     
         7 . The heat source apparatus according to  claim 6 , further comprising:
 a casing that accommodates the compressor, the heat exchanger, the refrigerant container, the connection part, the communication pipe, and the protective member; and   a base on a bottom plate of the casing,   wherein the base is in contact with the protective member.   
     
     
         8 . The heat source apparatus according to  claim 7 , wherein the base is fixed to the protective member. 
     
     
         9 . The heat source apparatus according to  claim 7 , wherein the base includes an elastic member that is in contact with the bottom plate. 
     
     
         10 . The heat source apparatus according to  claim 1 , further comprising a cushioning material attached to the refrigerant container. 
     
     
         11 . The heat source apparatus according to  claim 1 , wherein the communication pipe is connected to a low-pressure side of the refrigerant circuit. 
     
     
         12 . The heat source apparatus according to  claim 1 , wherein the communication pipe includes a capillary. 
     
     
         13 . The heat source apparatus according to  claim 1 , wherein the protective member has a thickness between 2 mm and 10 mm inclusive. 
     
     
         14 . The heat source apparatus according to  claim 1 , wherein the protective member has a thickness between 3 mm and 6 mm inclusive. 
     
     
         15 . The heat source apparatus according to  claim 1 , wherein the protective member is integrated with the refrigerant container. 
     
     
         16 . The heat source apparatus according to  claim 1 , wherein the protective member is fixed to the refrigerant container. 
     
     
         17 . The heat source apparatus according to  claim 1 , wherein the protective member protects the connection part and is spaced apart from the connection part. 
     
     
         18 . The heat source apparatus according to  claim 1 , wherein the protective member surrounds an entire periphery of the connection part. 
     
     
         19 . The heat source apparatus according to  claim 1 , wherein:
 the protective member includes an opening, and   the communication pipe passes through the opening.   
     
     
         20 . A refrigeration cycle apparatus, comprising:
 the heat source apparatus according to  claim 1 ; and   a utilization apparatus connected to the heat source apparatus.