Heat medium temperature adjustment system
A heat medium temperature adjustment system includes a heat medium circuit configured to circulate heat medium having a temperature controlled by a heat exchange with a heat source. The heat medium circuit includes a pump configured to pump the heat medium, and a plurality of heat exchangers for temperature-adjustment subjects configured to perform heat exchanges with temperature-adjustment subjects. The heat medium circuit is configured to form a series flow path to connect the pump to the plurality of heat exchangers for temperature-adjustment subjects when a system malfunction occurs.
1 . A heat medium temperature adjustment system comprising:
a heat medium circuit configured to circulate heat medium having a temperature controlled by a heat exchange with a heat source,
the heat medium circuit including:
a pump configured to pump the heat medium; and
a plurality of heat exchangers for temperature-adjustment subjects configured to perform heat exchanges with temperature-adjustment subjects,
wherein the heat medium circuit is configured to form a series flow path to connect the pump to the plurality of heat exchangers for temperature-adjustment subjects when a system malfunction occurs, and
the series flow path is formed when a flow path switching device of the heat medium circuit is not energized.
2 . The heat medium temperature adjustment system according to claim 1 , wherein:
a plurality of individual circuits are formed in the heat medium circuit by the flow path switching device; and
the pump and the plurality of heat exchangers for temperature-adjustment subjects are provided in the individual circuits, respectively.
3 . The heat medium temperature adjustment system according to claim 2 , further comprising a refrigerant circuit including a plurality of refrigerant-heat medium heat exchangers,
wherein at least one of the refrigerant-heat medium heat exchangers is provided in each of the individual circuits.
4 . The heat medium temperature adjustment system according to claim 3 , wherein the heat medium is flowed through the series flow path in an order of an outdoor heat exchanger configured to perform a heat exchange between the heat medium and outdoor air, one of the refrigerant-heat medium heat exchangers as an evaporator, a cooler core of an indoor air conditioner which is one of the heat exchangers for temperature-adjustment subjects, and an additional heat exchanger for temperature-adjustment subject part.
5 . The heat medium temperature adjustment system according to claim 4 , wherein the heat medium is flowed through the series flow path in an order of one of the refrigerant-heat medium heat exchangers as a condenser, a heater core of the indoor air conditioner which is one of the heat exchangers for temperature-adjustment subjects, and the outdoor heat exchanger.
6 . The heat medium temperature adjustment system according to claim 5 , wherein the series flow path includes an auxiliary heat source provided on an inlet side of the heater core and configured to heat the heat medium.
7 . The heat medium temperature adjustment system according to claim 3 , wherein the refrigerant circuit comprises two or more of the refrigerant-heat medium heat exchangers, and one of the two or more of the refrigerant-heat medium heat exchangers is a condenser, and the other is an evaporator.
8 . A heat medium temperature adjustment system comprising:
a heat medium circuit configured to circulate heat medium having a temperature controlled by a heat exchange with a heat source, and
a refrigerant circuit including a plurality of refrigerant-heat medium heat exchangers,
the heat medium circuit including:
a pump configured to pump the heat medium; and
a plurality of heat exchangers for temperature-adjustment subjects configured to perform heat exchanges with temperature-adjustment subjects,
wherein:
the heat medium circuit is configured to form a series flow path to connect the pump to the plurality of heat exchangers for temperature-adjustment subjects when a system malfunction occurs;
a plurality of individual circuits are formed in the heat medium circuit by the flow path switching device;
the pump and the plurality of heat exchangers for temperature-adjustment subjects are provided in the individual circuits, respectively;
at least one of the refrigerant-heat medium heat exchangers is provided in each of the individual circuits; and
the heat medium is flowed through the series flow path in an order of an outdoor heat exchanger configured to perform a heat exchange between the heat medium and outdoor air, one of the refrigerant-heat medium heat exchangers as an evaporator, a cooler core of an indoor air conditioner which is one of the heat exchangers for temperature-adjustment subjects, and an additional heat exchanger for temperature-adjustment subject part.
9 . The heat medium temperature adjustment system according to claim 8 , wherein the heat medium is flowed through the series flow path in an order of one of the refrigerant-heat medium heat exchangers as a condenser, a heater core of the indoor air conditioner which is one of the heat exchangers for temperature-adjustment subjects, and the outdoor heat exchanger.
10 . The heat medium temperature adjustment system according to claim 9 , wherein the series flow path includes an auxiliary heat source provided on an inlet side of the heater core and configured to heat the heat medium.
11 . The heat medium temperature adjustment system according to claim 8 , wherein the refrigerant circuit comprises two or more of the refrigerant-heat medium heat exchangers, and one of the two or more of the refrigerant-heat medium heat exchangers is a condenser, and the other is an evaporator.