# US 2018/0323482 A1 · Battery warming-up system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2018/0323482 A1 - Document ID: US20180323482A1 - Status: Published application - Kind: A1 - Application number: 15/773,209 - Filed: 2016-11-07 - Published: 2018-11-08 - Earliest claimed: 2015-11-09 - Assignees: Denso Corporation - Applicants: Denso Corporation - Inventors: Koji MIURA; Takashi YAMANAKA; Yoshiki KATOH; Masayuki TAKEUCHI; Norihiko ENOMOTO; Keigo SATOU; Kengo SUGIMURA; Ariel MARASIGAN - Web page: https://patentgrep.com/patent/US20180323482A1 ## CPC - B60H 1/00278: {for the battery} - H01M 10/63: Control systems (charging or discharging in response to temperature H01M10/44 {, H01M10/443}; measurement of temperature H01M10/48 {, H01M10/486}) - H01M 10/613: Cooling or keeping cold - H01M 10/615: Heating or keeping warm - H01M 10/625: Vehicles - H01M 10/633: characterised by algorithms, flow charts, software details or the like - H01M 10/6563: with forced flow, e.g. by blowers - H01M 10/6567: Liquids - H01M 10/6568: characterised by flow circuits, e.g. loops, located externally to the cells or cell casings - H01M 10/66: Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells - H01M 10/663: the system being an air-conditioner or an engine - B60H 2001/00307: {Component temperature regulation using a liquid flow} - B60L 2240/545: Temperature - Y02E 60/10: Energy storage using batteries - B60H: ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES - H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY - 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 - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract A battery warming-up system includes a controller that controls an air-conditioning blower and a battery blower. A battery warming-up mode is executed to control at least one of the air-conditioning blower and the battery blower such that an air-side temperature efficiency in an air-conditioning heat exchanger is higher than an air-side temperature efficiency in a battery heat exchanger. ## Claims ### Claim 1 A battery warming-up system comprising: a compressor that compresses and discharges a refrigerant; an air-conditioning heat exchanger that heats an air-conditioning air flow to be sent to an air-conditioning space by using, as a heat source, a refrigerant discharged from the compressor or a fluid heat-exchanged with the refrigerant discharged from the compressor; a battery heat exchanger that heats a battery air flow to be sent to a battery by using, as a heat source, a refrigerant discharged from the compressor or a fluid heat-exchanged with the refrigerant discharged from the compressor; an air-conditioning blower that generates the air-conditioning air flow passing through the air-conditioning heat exchanger; a battery blower that generates the battery air flow passing through the battery heat exchanger; and a controller that controls the air-conditioning blower and the battery blower, wherein the controller executes a battery warming-up mode of controlling at least one of the air-conditioning blower and the battery blower such that an air-side temperature efficiency in the air-conditioning heat exchanger is higher than an air-side temperature efficiency in the battery heat exchanger. ### Claim 2 (depends on 1) The battery warming-up system according to claim 1, wherein the controller adjusts an air blowing volume of at least one of the air-conditioning blower and the battery blower in the battery warming-up mode such that an air speed of the battery air flow passing through the battery heat exchanger is higher than an air speed of the air-conditioning air flow passing through the air-conditioning heat exchanger. ### Claim 3 (depends on 1) The battery warming-up system according to claim 1, wherein the controller drives the battery blower from a stage in which a temperature of the refrigerant or the fluid flowing through the battery heat exchanger is lower than a temperature of the refrigerant or the fluid flowing through the air-conditioning heat exchanger in the battery warming-up mode. ### Claim 4 (depends on 1) The battery warming-up system according to claim 1, wherein the controller controls the battery blower to reduce an air speed of the battery air flow passing through the battery heat exchanger when the controller executes the battery warming-up mode and determines that the battery reaches a target temperature. ### Claim 5 (depends on 1) The battery warming-up system according to claim 1, further comprising: an air-conditioning adjustment portion that adjusts an amount of the refrigerant or the fluid flowing to the air-conditioning heat exchanger; and a battery adjustment portion that adjusts an amount of the refrigerant or the fluid flowing to the battery heat exchanger, wherein the controller is configured to control the air-conditioning blower, the battery blower, the air-conditioning adjustment portion, and the battery adjustment portion, and the controller executes a battery warming-up mode to control at least one of the air-conditioning blower, the battery blower, the air-conditioning adjustment portion, and the battery adjustment portion such that the air-side temperature efficiency in the air-conditioning heat exchanger is higher than the air-side temperature efficiency in the battery heat exchanger. ### Claim 6 (depends on 5) The battery warming-up system according to claim 5, wherein the controller adjusts a sending amount of at least one of the air-conditioning adjustment portion and the battery adjustment portion such that an amount of the refrigerant or the fluid sent to the battery heat exchanger is smaller than an amount of the refrigerant or the fluid sent to the air-conditioning heat exchanger in the battery warming-up mode. ### Claim 7 (depends on 5) The battery warming-up system according to claim 5, wherein the controller controls at least one of the air-conditioning blower, the battery blower, the air-conditioning adjustment portion, and the battery adjustment portion in the battery warming-up mode such that the battery heat exchanger starts to exchange heat from a stage in which a temperature of the refrigerant or the fluid flowing through the battery heat exchanger is lower than a temperature of the refrigerant or the fluid flowing through the air-conditioning heat exchanger. ### Claim 8 (depends on 5) The battery warming-up system according to claim 5, wherein, the controller executes one or both of a control operation of controlling the battery blower to reduce an air speed of the battery air flow passing through the battery heat exchanger and a control operation of controlling the battery adjustment portion to lessen an amount of the refrigerant or the fluid to be sent to the battery heat exchanger, when the controller executes the battery warming-up mode and determines that the battery reaches a target temperature. ### Claim 9 (depends on 1) The battery warming-up system according to claim 1, wherein, the controller executes the battery warming-up mode when discharge from the battery is started. ### Claim 10 (depends on 1) The battery warming-up system according to claim 1, wherein, the controller executes the battery warming-up mode when a temperature of the refrigerant or the fluid is higher than a temperature of the battery. ### Claim 11 (depends on 1) The battery warming-up system according to claim 1, wherein, the fluid is high-temperature water which is heat-exchanged at a water-refrigerant heat exchanger in a refrigeration cycle, and the air-conditioning heat exchanger and the battery heat exchanger are arranged in parallel. ### Claim 12 (depends on 1) The battery warming-up system according to claim 1, wherein, the fluid is high-temperature water that is heat-exchanged at a water-refrigerant heat exchanger in a refrigeration cycle, and the water-refrigerant heat exchanger, the air-conditioning heat exchanger, and the battery heat exchanger are arranged in series in order from an upstream side in a flow of the fluid.