JPS63134358U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は、本考案による冷房装置の一実施例を
示した冷凍サイクル図、第２図は、第１図の蒸発
器内の過冷却器と蒸発器管路との関係を示した概
略図、第３図は、従来の冷房装置の冷凍サイクル
図、第４図は、冷凍サイクルのモリエル線図であ
る。 １……圧縮機、２……凝縮器、４……受液器、
５……過冷却器、６……膨脹弁、７……分流器、
８……蒸発器管路、９……蒸発器。 Fig. 1 is a refrigeration cycle diagram showing an embodiment of the cooling device according to the present invention, and Fig. 2 is a schematic diagram showing the relationship between the supercooler in the evaporator and the evaporator pipe line in Fig. 1. , FIG. 3 is a refrigeration cycle diagram of a conventional cooling device, and FIG. 4 is a Mollier diagram of the refrigeration cycle. 1...Compressor, 2...Condenser, 4...Liquid receiver,
5... supercooler, 6... expansion valve, 7... flow divider,
8... Evaporator pipe line, 9... Evaporator.

Claims (1)

【実用新案登録請求の範囲】 １ 圧縮機と、凝縮器と、受液器とこの受液器か
らの冷媒を過冷却する過冷却器と、この過冷却器
された冷媒を断熱膨脹させる膨脹弁と、この膨脹
された冷媒を複数の管路に分流させる分流器と、
上記複数の管路を内蔵し、管路内の冷媒を蒸発さ
せる蒸発器とを順次接続してなる閉回路を有する
冷房装置において、上記過冷却器は、上記蒸発器
の通風路内において上記複数の管路を横切るよう
に上記蒸発器内に設置されていることを特徴とす
る冷房装置。 ２ 上記蒸発器に内蔵された上記複数の管路は、
上記過冷却器よりも上記通風路下流側に位置し上
記分流器からの冷媒が導入される前部と、上記過
冷却器よりも上記通風路の上流側に位置し上記前
部を通つた冷媒が流通する後部とを有することを
特徴とする実用新案登録請求の範囲第１項に記載
の冷房装置。 ３ 上記過冷却器は、上記受液器からの冷媒が流
入する部分が比較的上記通風路の上流側に位置し
、上記膨脹弁へ冷媒を流出させる部分が比較的上
記通風路の下流側に位置することを特徴とする実
用新案登録請求の範囲第１項に記載の冷房装置。 ４ 上記蒸発器に内蔵された上記複数の管路は、
互に所定間隔で並置され上記通風路下流側から上
流側に向つて延在しており、上記過冷却器は上記
複数の管路を順次横切るように上記通風路上流側
から下流側に向つて斜めに延在していることを特
徴とする実用新案登録請求の範囲第１項に記載の
冷房装置。[Claims for Utility Model Registration] 1. A compressor, a condenser, a liquid receiver, a supercooler that supercools the refrigerant from the liquid receiver, and an expansion valve that adiabatically expands the supercooled refrigerant. and a flow divider that divides the expanded refrigerant into a plurality of pipes.
In the cooling device having a closed circuit including the plurality of pipes and successively connected to an evaporator that evaporates the refrigerant in the pipes, the supercooler is arranged in the plurality of pipes in the ventilation passage of the evaporator. A cooling device characterized in that the cooling device is installed in the evaporator so as to cross the pipe line. 2 The plurality of pipes built into the evaporator are:
A front part located downstream of the ventilation passage from the supercooler and into which refrigerant from the flow divider is introduced, and a refrigerant passing through the front part located upstream of the ventilation passage from the supercooler. The cooling device according to claim 1, characterized in that the cooling device has a rear portion through which the air flows. 3 In the supercooler, a portion into which the refrigerant from the liquid receiver flows is located relatively upstream of the ventilation path, and a portion through which the refrigerant flows out to the expansion valve is located relatively downstream of the ventilation path. The cooling device according to claim 1, characterized in that the cooling device is located in a utility model. 4 The plurality of pipes built into the evaporator are:
They are arranged in parallel with each other at a predetermined interval and extend from the downstream side to the upstream side of the ventilation passage, and the supercooler extends from the upstream side of the ventilation passage toward the downstream side so as to sequentially cross the plurality of pipes. The cooling device according to claim 1, which extends diagonally.