PROBLEM TO BE SOLVED: To provide a refrigerant temperature control device that promotes use of waste heat from a second heat source body.SOLUTION: A refrigerant temperature control device includes: a first refrigerant cycle 6 that can thermally connect a first heat source body 60 to a heating portion 41 for heating during heating; a second refrigerant cycle 7 that can release heat of a second heat source body 70 by using a radiator 72; heat release control means 71 that can control heat release amount of a refrigerant circulating a second refrigerant flow passage 73 of the second refrigerant cycle 7; and flow passage switching means 30, 31 for communicating a first refrigerant flow passage 62 of the first refrigerant cycle 6 with the second refrigerant flow passage 73 or cutting off the first refrigerant flow passage 62 from the second refrigerant flow passage 73. During heating, when a temperature difference between a refrigerant temperature in the first refrigerant flow passage 62 and a refrigerant temperature in the second refrigerant flow passage 73 reaches a predetermined temperature or lower, the heat release control means 71 inhibits heat release in the second refrigerant cycle 7. During heating, when the refrigerant temperature in the first refrigerant flow passage 62 reaches lower than the refrigerant temperature in the second refrigerant flow passage 73, the flow passage switching means 30, 31 communicate the first refrigerant flow passage 62 with the second refrigerant flow passage 73.
【課題】第2熱源体の廃熱の利用を促進する冷媒温度調整装置を提供する。【解決手段】暖房時に、第1熱源体60を暖房用加熱部41に熱的に接続可能な第1冷媒サイクル6と、第2熱源体70の熱を放熱器72によって放熱可能な第2冷媒サイクル7と、第2冷媒サイクル7の第2冷媒流路73を循環する冷媒の放熱量を調整可能な放熱調整手段71と、第1冷媒サイクル6の第1冷媒流路62と、第2冷媒流路73とを連通、または遮断する流路切替手段30、31とを備え、放熱調整手段71は、暖房時に、第1冷媒流路62の冷媒温度と、第2冷媒流路73の冷媒温度との温度差が所定温度差以下となると、第2冷媒サイクル7における放熱を抑制し、流路切替手段30、31は、暖房時に、第1冷媒流路62の冷媒温度が、第2冷媒流路73の冷媒温度よりも低くなると、第1冷媒流路62と第2冷媒流路73とを連通する。【選択図】図1
REFRIGERANT TEMPERATURE CONTROL DEVICE AND VEHICULAR AIR CONDITIONER
冷媒温度調整装置、及び車両用空調装置
2015-10-22
Patent
Elektronische Ressource
Japanisch
IPC: | B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht |