# US 2019/0168570 A1 · Thermal management system for vehicle > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0168570 A1 - Document ID: US20190168570A1 - Status: Published application - Kind: A1 - Application number: 16/323,564 - Filed: 2017-11-21 - Published: 2019-06-06 - Earliest claimed: 2016-12-07 - Assignees: Hanon Systems - Applicants: Hanon Systems - Inventors: Hae Jun LEE; Sung Je LEE; Hyeong Kyu JIN - Web page: https://patentgrep.com/patent/US20190168570A1 ## CPC - B60H 1/00492: {comprising regenerative heating or cooling means, e.g. heat accumulators} - B60H 1/32284: {comprising two or more secondary circuits, e.g. at evaporator and condenser side} - B60H 1/00: Heating, cooling or ventilating devices - B60H 1/00271: {HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit} - B60H 1/00278: {for the battery} - B60H 1/00885: {Controlling the flow of heating or cooling liquid, e.g. valves or pumps (B60H1/00899 takes precedence; constructions of valves B60H1/00485)} - B60H 1/143: {the heat being derived from cooling an electric component, e.g. electric motors, electric circuits, fuel cells or batteries} - B60H 1/22: the heat source being other than the propulsion plant {(B60H1/00492 takes precedence)} - B60H 1/32: Cooling devices {(B60H1/00478, B60H1/005 take precedence)} - B60H 1/32281: {comprising a single secondary circuit, e.g. at evaporator or condenser side} - B60K 11/02: with liquid cooling - B60L 58/26: by cooling - B60R 16/03: for supply of electrical power to vehicle subsystems {or for (circuit arrangements for charging batteries H02J7/00)} - B60H 2001/00307: {Component temperature regulation using a liquid flow} - B60H 2001/006: {Noise reduction} - B60H 2001/00928: {comprising a secondary circuit} - B60Y 2306/05: Cooling - B60H: ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES - B60K: ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES - B60L: PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES (arrangements or mounting of electrical propulsion units or of plural diverse prime-movers for mutual or common propulsion in vehicles B60K1/00, B60K6/20; arrangements or mounting of electrical gearing in vehicles B60K17/12, B60K17/14; preventing wheel slip by reducing power in rail vehicles B61C15/08; dynamo-electric machines H02K; control or regulation of electric motors H02P); SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES (electric coupling devices combined with mechanical couplings of vehicles B60D1/64; electric heating for vehicles B60H1/00); ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL (control or regulation of electric motors H02P); MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES - B60R: VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR - B60Y: INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY ## Abstract The present invention relates to a vehicle thermal management system which is separately provided with the final heat dissipation unit of a cooling system for cooling electronic components required for the autonomous driving of a vehicle, optimizes the modularization of units, and thereby promotes the reduction of a package. ## Claims ### Claim 1 A thermal management system for a vehicle as a cooling system for cooling electronic components necessary for autonomous travelling of the vehicle, the thermal management system comprising: a first compressor for inhaling and compressing refrigerant and discharging out the compressed refrigerant in a gaseous state of high temperature and high pressure, a condenser for condensing the refrigerant, a first expansion valve for expanding the refrigerant, and a chiller for absorbing heat by exchanging heat between the refrigerant and coolant, which are disposed in a first refrigerant line in order, wherein the condenser is a water cooled condenser for radiating heat by exchanging heat between the refrigerant and the coolant, further comprising: a first coolant line passing through the chiller while exchanging heat with the electronic components; and a second coolant line, to which a low-temperature radiator for exchanging heat between the coolant and air is connected, and which passes through the water cooled condenser, wherein the coolant exchanges heat with the chiller of the first refrigerant line or exchanges heat with the air using the low-temperature radiator by being connected with the second coolant line. ### Claim 2 (depends on 1) The thermal management system according to claim 1, wherein the low-temperature radiator is disposed in an air-conditioning module which performs air-conditioning in the interior of the vehicle. ### Claim 3 (depends on 1) The thermal management system according to claim 1, wherein the low-temperature radiator is disposed separately from an air-conditioning module, which performs air-conditioning in the interior of the vehicle, and a cooling module for cooling the electronic components necessary for autonomous travelling of the vehicle. ### Claim 4 (depends on 3) The thermal management system according to claim 3, wherein the low-temperature radiator is disposed at a lower portion of the vehicle facing the ground. ### Claim 5 (depends on 1) The thermal management system according to claim 1, wherein the first coolant line and the second coolant line are selectively communicated with each other. ### Claim 6 (depends on 5) The thermal management system according to claim 5, further comprising: a third coolant line branching off from the first coolant line at the upstream side of the chiller and connected to the second coolant line at the upstream side of the low-temperature radiator; and a fourth coolant line branching off from the second coolant line at the downstream side of the low-temperature radiator and connected to the first coolant line at the downstream side of the chiller. ### Claim 7 (depends on 6) The thermal management system according to claim 6, further comprising: a first valve disposed at the branching point between the first coolant line and the third coolant line to control a flow of the coolant so that the coolant selectively flows to at least one among the chiller and the low-temperature radiator; and a second valve disposed at the branching point between the second coolant line and the fourth coolant line to control the flow of the coolant so that the coolant selectively flows to at least one among the water cooled condenser and the first coolant line. ### Claim 8 (depends on 5) The thermal management system according to claim 5, wherein a chiller cooling mode is formed such that the coolant exchanged heat with the electronic components circulates along the first coolant line after being cooled in the chiller and the coolant inhaled in the water cooled condenser circulates along the second coolant line after radiating heat in the low-temperature radiator. ### Claim 9 (depends on 5) The thermal management system according to claim 5, wherein a radiator cooling mode is formed such that the coolant exchanged heat with the electronic components flows from the first coolant line to the second coolant line, is cooled in the low-temperature radiator, meets the first coolant line, and then, circulates to the electronic components. ### Claim 10 (depends on 1) The thermal management system according to claim 1, further comprising: a first water pump disposed in the first coolant line for circulating the coolant; and a second water pump disposed in the second coolant line for circulating the coolant. ### Claim 11 (depends on 1) The thermal management system according to claim 1, wherein valves to which the second coolant line and the first coolant line are connected are controlled depending on a cooling thermal load of the electronic components. ### Claim 12 (depends on 11) The thermal management system according to claim 11, wherein if the cooling thermal load of the electronic components is lower than a reference value, valves are operated to use the low-temperature radiator, and wherein if the thermal load is higher than the reference value, the valves are operated to cool the electronic components by using the chiller. ### Claim 13 (depends on 1) The thermal management system according to claim 1, wherein the water cooled condenser, the first expansion valve, and the chiller are integrated into a single module. ### Claim 14 (depends on 1) The thermal management system according to claim 1, wherein an internal heat exchanger of a dual pipe structure for exchanging heat between the water cooled condenser and the chiller is disposed between the water cooled condenser and the chiller. ### Claim 15 (depends on 14) The thermal management system according to claim 14, wherein the water cooled condenser, the internal heat exchanger, the first expansion valve, and the chiller are integrated into a single module. ### Claim 16 (depends on 1) The thermal management system according to claim 1, wherein a heat storing unit for storing a heat source for cooling or a heat source for heating, a first water pump for circulating the coolant, a heater for heating the coolant, and a coolant temperature sensor for sensing temperature of the coolant are disposed in the first coolant line, and wherein a package unit is formed in such a way that at least two among the heat storing unit the first water pump, the heater, and the coolant temperature sensor are integrated into a single module.