JPH0188356U - - Google Patents

Description

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

第１図はこの考案の一実施例による冷却装置の
冷媒回路図、第２図はこの考案による被冷却物の
温度、冷却能力、ホツトガスバイパスの変化を示
す図、第３図は従来の冷却装置の冷媒回路図、第
４図は従来の冷却装置による被冷却物の温度、冷
却能力の変化を示す図。 １は容量制御機構体圧縮機、２は凝縮器、３は
膨張機構、４は蒸発器、５は電磁弁、７は流量制
御弁、６は逆止弁。なお、図中、同一符号は同一
または相当部分を示す。 Figure 1 is a refrigerant circuit diagram of a cooling system according to an embodiment of this invention, Figure 2 is a diagram showing changes in the temperature of the object to be cooled, cooling capacity, and hot gas bypass according to this invention, and Figure 3 is a diagram of a conventional cooling system. FIG. 4 is a refrigerant circuit diagram of the device, and is a diagram showing changes in the temperature of the object to be cooled and the cooling capacity by the conventional cooling device. 1 is a capacity control mechanism compressor, 2 is a condenser, 3 is an expansion mechanism, 4 is an evaporator, 5 is a solenoid valve, 7 is a flow rate control valve, and 6 is a check valve. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 圧縮機、凝縮器、膨張機構、蒸発器を順次連結
してなる冷媒回路の上記圧縮機の吐出配管と膨張
弁出口側配管の間にホツトガスバイパス管を設け
て電磁弁と逆止弁を有した冷却装置において、上
記電磁弁と逆止弁との間に流量制御弁を配設し、
流通させるホツトガスの量を上記流量制御弁で調
整可能とすることにより冷却能力の無段階容量制
御を可能としたことを特徴とする冷凍装置。 A refrigerant circuit consisting of a compressor, a condenser, an expansion mechanism, and an evaporator are connected in sequence, and a hot gas bypass pipe is provided between the discharge pipe of the compressor and the expansion valve outlet pipe, and a solenoid valve and a check valve are provided. In the cooling device, a flow control valve is disposed between the solenoid valve and the check valve,
A refrigeration system characterized in that the amount of hot gas to be circulated can be adjusted by the flow rate control valve, thereby enabling stepless capacity control of cooling capacity.