US 11,850,909 B2
Air conditioner apparatus for electric vehicles and air conditioning system for electric vehicles using the same
Gee Young Shin, Suwon-si (KR); Seung Sik Han, Hwaseong-si (KR); Dong Ho Kwon, Yongin-si (KR); and Myung Hoe Kim, Seoul (KR)
Assigned to HYUNDAI MOTOR COMPANY, Seoul (KR); and KIA CORPORATION, Seoul (KR)
Filed by HYUNDAI MOTOR COMPANY, Seoul (KR); and KIA CORPORATION, Seoul (KR)
Filed on Apr. 27, 2021, as Appl. No. 17/241,979.
Claims priority of application No. 10-2020-0141270 (KR), filed on Oct. 28, 2020.
Prior Publication US 2022/0126647 A1, Apr. 28, 2022
Int. Cl. B60H 1/00 (2006.01); B60H 1/32 (2006.01)
CPC B60H 1/00392 (2013.01) [B60H 1/00064 (2013.01); B60H 1/00207 (2013.01); B60H 1/00271 (2013.01); B60H 1/32331 (2019.05); B60H 2001/003 (2013.01); B60H 2001/00092 (2013.01); B60H 2001/00121 (2013.01); B60H 2001/00128 (2013.01); B60H 2001/00178 (2013.01)] 18 Claims
OG exemplary drawing
 
14. An air conditioning system for an electric vehicle, the air conditioning system comprising:
an air conditioner including:
an air conditioning case installed under an under body of the electric vehicle, and configured to communicate with an interior of the electric vehicle through an outlet formed through an upper portion of the air conditioning case and circulate conditioned air therein;
a heating, ventilation, and air conditioning (HVAC) module provided inside the air conditioning case, and configured to adjust temperatures of indoor air and outdoor air and to provide the conditioned air to the interior of the electric vehicle; and
a heat exchange module provided below the HVAC module inside the air conditioning case and configured to exchange heat with the HVAC module depending on whether or not the HVAC module performs a heating or cooling operation;
a refrigerant line configured to circulate a refrigerant therealong and to have a compressor, an indoor heat exchanger of the heat exchange module, expansion units and an evaporator of the HVAC module thereon;
a heating line configured to circulate cooling water therealong and to have a first water pump and a heater of the HVAC module thereon;
an electronic component line configured to circulate the cooling water therealong and to have a second water pump, an outdoor heat exchanger and a powertrain electronics (PE) module thereon;
a battery line configured to circulate the cooling water therealong and to have a third water pump and a battery module thereon;
a first heat exchanger connected to the refrigerant line and the heating line, and configured to exchange heat between the refrigerant in the refrigerant line and the cooling water in the heating line; and
a second heat exchanger connected to the electronic component line and the battery line, and configured to exchange heat between the cooling water in the electronic component line and the cooling water in the battery line.