Abstract: A heat pump system for a vehicle is provided to efficiently perform heating of a vehicle interior in a state in which the external temperature is low and heat generated by a heating element is not sufficient in an early stage of driving the vehicle. The heat pump system may include: a compressor; a heat, ventilation, and air condition (HVAC) module; a heat-exchanger; a first expansion valve; an accumulator; a first connection line; a chiller; and a second expansion valve.

Abstract: An embodiment method for controlling a compressor of a vehicle includes selectively controlling an operation of the compressor by determining and comparing a discharge pressure of the compressor and a temperature of an inverter with predetermined values based on data detected in real time when the compressor is operated to cool or heat an interior of the vehicle and operating a protection mode to prevent thermal burnout of the inverter in response to a determination that the discharge pressure of the compressor is higher than an operation stop pressure.

Abstract: A heat pump system for a vehicle may include: a compressor configured to compress a refrigerant; and a heat, ventilation, and air condition (HVAC) module including an internal condenser, an evaporator connected to the compressor via a refrigerant line, and an opening/closing door configured to adjust air having passed through the evaporator to be selectively introduced into the internal condenser depending on a cooling mode or a heating mode of the vehicle. The heat pump system may also include: a heat-exchanger connected to the internal condenser via the refrigerant line; a first expansion valve provided in the refrigerant line between the heat-exchanger and the evaporator; a first connection line; a chiller provided in the first connection line so as to adjust the temperature of a coolant by exchanging heat between the refrigerant and the coolant introduced selectively; and a sub-heat-exchanger provided in the refrigerant line.

Abstract: An embodiment heat pump system for a vehicle includes a first cooling apparatus that circulates a first coolant in a first coolant line to control a temperature of an electrical component, a second cooling apparatus that circulates a second coolant in a second coolant line to control a temperature of a battery module, a third cooling apparatus that circulates a third coolant in a third coolant line to control a temperature of an autonomous driving controller, and an air conditioning device that circulates a refrigerant along a first refrigerant line to control an indoor temperature of the vehicle, the air conditioning device including a compressor, a condenser, a first expansion valve, and an evaporator all connected through the first refrigerant line, and further including a first chiller, a second chiller, and a connection line.

Abstract: A heat pump system for a vehicle includes a valve, an electrical component cooling apparatus, a battery cooling apparatus, an internal heating apparatus, an internal cooling device, a centralized energy device, and a chiller for controlling a temperature of a battery module by use of a chiller in which a coolant and a refrigerant are heat-exchanged, and for recovering and using heat from various heat sources in a heating mode of a vehicle for indoor heating to improve heating efficiency, wherein the battery coolant line is selectively connectable to the first connection line through a battery coolant connection line connecting the battery coolant line and the first connection line.

Abstract: A cooling apparatus may include an electric water pump to pump coolant, a coolant channel in fluid communication with a cooling target and the electric water pump, and a thermoelectric device including a higher-temperature part and a lower-temperature part. The thermoelectric device may cool the coolant flowing into the coolant channel. The cooling apparatus may include a first heat sink disposed adjacent to the higher-temperature part, a second heat sink disposed adjacent to the coolant channel, and a cooling fan provided adjacent to the first heat sink. The cooling apparatus may include an air duct forming a first fluid line where air passes through only the first heat sink and is then discharged by operation of the cooling fan and forming a second fluid line where air passes through the first heat sink and the second heat sink and is then discharged by the operation of the cooling fan.

Abstract: A refrigerant module for a vehicle includes: a heat exchanger for exchanging heat between a refrigerant introduced therein and a working fluid; a valve manifold connected to the heat exchanger and having a refrigerant flow path formed inside to supply the refrigerant to the heat exchanger or to bypass the refrigerant; and a plurality of valve assemblies mounted on the valve manifold to control a flow of the refrigerant flowing in the refrigerant flow path.

Abstract: An embodiment heat pump system includes a valve module for controlling a flow of a coolant, a first line connected to the valve module, an electrical component on the first line, a second line connected to the first line and the valve module, a radiator on the second line, a third line connected to the valve module, wherein the battery module is on the third line, a fourth line connected to the valve module and the third line, a fifth line connected to the valve module, a chiller on the fifth line, a sixth line connected to the first line, and a seventh line connected to the third line, wherein an end of the sixth line and an end of the seventh line are respectively connected to the chiller such that the sixth line and the seventh line may be connected to the fifth line through the chiller.

Abstract: A heat pump system for the vehicle includes a valve, an electrical component cooling apparatus, a battery cooling apparatus, an internal heating apparatus, an internal cooling device, a centralized energy device, and a chiller for controlling a temperature of a battery module by use of a chiller in which a coolant and a refrigerant are heat-exchanged, and for recovering and using heat from various heat sources in a heating mode of a vehicle for indoor heating to improve heating efficiency.

Abstract: A refrigerant circulating apparatus of a vehicle includes a compressor configured to compress a refrigerant, at least one heat-exchanger configured to exchange with the refrigerant, at least one valve configured to selectively provide the refrigerant to the at least one heat-exchanger, a bracket that supports the compressor, and a fluid line plate that is coupled to the bracket and disposed adjacent to the at least one heat-exchanger and the at least one valve. The fluid line plate includes a plurality of fluid lines defined inside the fluid line plate and configured to provide the refrigerant to the at least one heat-exchanger based on operation of the at least one valve.

Abstract: A refrigerant circulating apparatus of a vehicle includes a compressor configured to compress a refrigerant, at least one heat-exchanger configured to heat-exchange the refrigerant, at least one valve configured to selectively flow the refrigerant to the at least one heat-exchanger, and a refrigerant fluid line unit mounted with the compressor, the at least one heat-exchanger, and the at least one valve, and interiorly formed with a plurality of fluid lines to flow the refrigerant to the compressor and the at least one heat-exchanger by a selective operation of the at least one valve, where the refrigerant fluid line unit includes a first fluid line mounting plate and a second fluid line mounting plate coupled to each other.

Abstract: An embodiment heat pump system for a vehicle includes a cooling apparatus including a radiator and a multi-way valve connected by a first coolant line and configured to circulate a coolant in the first coolant line, a second coolant line including first and second ends connected to the multi-way valve and equipped with a first water pump and an electrical component, a third coolant line including first and second ends connected to the multi-way valve and equipped with a second water pump and a battery module, a chiller provided on the third coolant line, connected to a refrigerant line of an air conditioner device through a refrigerant connection line, and configured to adjust a temperature of the coolant circulated in the third coolant line, and a gas injection device configured to selectively expand a refrigerant and to selectively supply some of the refrigerant to a compressor.

Abstract: A heat pump system for a vehicle includes a valve, an electrical component cooling device, a battery cooling device, an indoor heating device, an indoor cooling device, a centralized energy device, and a chiller to improve heating efficiency by regulating a temperature of a battery module by use of one chiller in which a cooler and a refrigerant exchange heat, recovers various heat sources in a heating mode of the vehicle and utilizes the recovered heat sources for indoor heating.

Abstract: A heat pump system for a vehicle includes a cooling apparatus configured to circulate a coolant in a coolant line to cool at least one electrical component provided in the coolant line, a battery cooling apparatus configured to circulate the coolant in the battery module, a heating apparatus configured to heat a vehicle interior by using the coolant, and a chiller configured to adjust a temperature of the coolant by heat-exchanging the coolant with a refrigerant, wherein the chiller is connected to the chiller connection line through a third valve provided in the coolant line between the radiator and the second valve, and the reservoir tank is provided in the coolant line between the radiator and the second valve, and is connected to the supply line connecting a first valve and a first water pump through a supply line.

Abstract: A heat pump system for a vehicle includes: a cooling apparatus that includes a coolant line, and circulates a coolant in the coolant line; and an air conditioning device that circulates a refrigerant along a refrigerant line to control an indoor temperature of the vehicle, wherein the air conditioning device may include first and second heat exchangers connected through the refrigerant line, and in a heating mode of the vehicle, the first heat exchanger and the second heat exchanger may be supplied with a refrigerant separated into the refrigerant line and a first branch line after being expanded, or a refrigerant expanded after being separated into the refrigerant line and the first branch line.

Abstract: A refrigerant circulating apparatus for a vehicle, includes at least one heat exchanger configured to heat-exchange a refrigerant; at least one valve provided to selectively flow the refrigerant to the at least one heat exchanger; and a refrigerant distribution unit having a first surface on which the at least one heat exchanger and the at least one valve are provided and a second surface on which at least one flow path through which the refrigerant circulates through the at least one heat exchanger and the at least one valve is provided.

Abstract: A thermal management system for a vehicle includes a cooling device including a radiator, at least one electrical component, and first and second water pumps that are connected to a coolant line, the cooling device configured to circulate coolant through the coolant line so that the coolant is supplied to the at least one electrical component; and first and second oil coolers connected to cool at least one driving motor and supplied with the coolant from the cooling device, where the second oil cooler is provided on the coolant line, and the first oil cooler is disposed in parallel with the second oil cooler provided on the coolant line through a parallel line provided on the coolant line.

Abstract: A heat pump system for a vehicle is configured by including a valve, a first cooling apparatus, a second cooling apparatus, and a flow control line, to be configured for adjusting a temperature of a battery module by use of a single chiller where a refrigerant and a coolant are heat-exchanged, selectively recollecting waste heat of the electrical component and the battery module and using the same for heating of the vehicle interior, and forming a plurality of coolant flowing lines by a single valve according to selected mode of the vehicle.

Abstract: A heat pump system includes a cooling apparatus in which a coolant is circulated, a compressor to compress a refrigerant, a condenser connected to the compressor through a refrigerant line and configured to condense the refrigerant by heat-exchanging with the refrigerant and the coolant, an evaporator connected to the condenser through the refrigerant line and configured to evaporate the refrigerant by heat-exchanging with the refrigerant and the coolant, a gas injection device provided in the refrigerant line between the condenser and the evaporator and configured to selectively expand and flow the refrigerant and selectively supply some of the refrigerant to the compressor, a refrigerant connection line including a first end connected to the refrigerant line and a second end connected to the gas injection device between the compressor and the evaporator, and a chiller in the refrigerant connection line for adjusting a temperature of the coolant by heat-exchange.

Abstract: An embodiment heat pump system for a vehicle includes a valve module for controlling a flow of a coolant according to a selected mode for temperature adjustment of a vehicle interior and temperature adjustment of a battery module, a first line connected to the valve module, an electrical component on the first line, a second line connected to the first line and the valve module, a radiator on the second line, a third line connected to the valve module, wherein the battery module is on the third line, a fourth line connected to the valve module and the third line, a fifth line connected to the valve module, a chiller on the fifth line, a sixth line connected to the first line and the fifth line, and a seventh line connected to the third line and the fifth line.