PROBLEM TO BE SOLVED: To enable defrosting of a heat-absorbing heat exchanger by using heat of coolant.SOLUTION: A coolant heating device for a vehicle includes: a second hot water circuit 14 for circulating cooling water to each of a water-cooled condenser 28 that is included in a refrigerant cycle 40 for compressing a refrigerant by using a compressor 32 and expanding the compressed refrigerant and at least one apparatus 26; a second radiator 36 and a chiller 42 having the cooling water circulating therein and directly or indirectly absorbing heat from outside air to the refrigerant in the refrigerant cycle 40; and a four-way valve 34 for selectively switching the second hot water circuit 14, the second radiator 36 and the chiller 42 to either of a shut-off state and a communication state.SELECTED DRAWING: Figure 1
【課題】冷却液の熱を利用して吸熱用熱交換器の除霜を可能にすることを目的とする。【解決手段】コンプレッサ32により冷媒を圧縮し、かつ圧縮された冷媒を膨張する冷媒サイクル40に含まれる水冷コンデンサ28及び少なくとも1つの機器26の各々に冷却水を循環させるための第2温水回路14と、冷却水が循環し、かつ外気から冷媒サイクル40の冷媒に直接的または間接的に吸熱する第2ラジエタ36及びチラー42と、第2温水回路14と第2ラジエタ36及びチラー42とを遮断状態及び連通状態の何れかの状態に選択的に切り替える4方弁34と、を備える。【選択図】図1
VEHICULAR COOLANT HEATING DEVICE AND VEHICULAR COOLANT HEATING PROGRAM
車両用冷却液加熱装置及び車両用冷却液加熱プログラム
2017-07-27
Patent
Electronic Resource
Japanese
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 / F01P Kühlung von Kraft- und Arbeitsmaschinen oder Kraftmaschinen allgemein , COOLING OF MACHINES OR ENGINES IN GENERAL |
Coolant heating module and coolant heating system with the module
European Patent Office | 2024
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