# US 2022/0045378 A1 · Battery cooling control method and apparatus for environmental vehicle > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2022/0045378 A1 - Document ID: US20220045378A1 - Status: Published application - Kind: A1 - Application number: 17/393,775 - Filed: 2021-08-04 - Published: 2022-02-10 - Earliest claimed: 2020-08-05 - Assignees: Hyundai Motor Company; Kia Corporation - Applicants: Hyundai Motor Company; Kia Corporation - Inventors: Bo Ram YANG - Web page: https://patentgrep.com/patent/US20220045378A1 ## CPC - H01M 10/613: Cooling or keeping cold - B60L 1/02: to electric heating circuits - B60L 58/26: by cooling - 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 - B60L 2240/545: Temperature - B60L 2240/622: by satellite navigation - B60L 2240/642: Slope of road - B60L 2240/662: Temperature - B60L 2240/667: Precipitation - B60L 2240/68: Traffic data - B60L 2250/18: by enquiring driving style - B60L 2250/20: by driver identification - B60L 2260/22: Standstill, e.g. zero speed - B60L 2260/46: by self learning - H01M 2220/20: Batteries in motive systems, e.g. vehicle, ship, plane - Y02E 60/10: Energy storage using batteries - Y02T 10/70: Energy storage systems for electromobility, e.g. batteries - Y02T 10/72: Electric energy management in electromobility - Y02T 90/16: Information or communication technologies improving the operation of electric 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 - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract A battery cooling control method and a battery cooling control apparatus for an environmental vehicle equipped with a battery air cooling system are provided. The battery cooling control method includes collecting information for driving a cooling fan, performing data analysis based on the collected information, and performing battery cooling control based on a result of the data analysis, wherein the information includes vehicle sensor and actuator information, external environment information, and user information. ## Claims ### Claim 1 A battery cooling control method for an environmental vehicle equipped with a battery air cooling system, the battery cooling control method comprising: collecting information for driving a cooling fan; performing data analysis based on the collected information; and performing battery cooling control based on a result of the data analysis, wherein the information includes vehicle sensor and actuator information, external environment information, and user information. ### Claim 2 (depends on 1) The battery cooling control method of claim 1, wherein performing the battery cooling control comprises: performing at least one of a cooling fan duty control for controlling a rotational speed of the cooling fan, or an available battery power control for limiting an amount of output of a battery. ### Claim 3 (depends on 2) The battery cooling control method of claim 2, wherein performing the cooling fan duty control comprises: performing the cooling fan duty control that has a resolution set to have a change amount in rotational speed less than a minimum change amount in rotational speed between driving stages of the cooling fan. ### Claim 4 (depends on 1) The battery cooling control method of claim 1, further comprising: when it is determined that the cooling fan has failed and a battery temperature is higher than a reference value as a result of the data analysis, limiting an available battery power to at least a predetermined level. ### Claim 5 (depends on 1) The battery cooling control method of claim 1, further comprising: determining a battery cooling start temperature based on a result of the data analysis and big data accumulated in advance; and starting the battery cooling control when it is determined that a battery temperature is higher than the battery cooling start temperature. ### Claim 6 (depends on 1) The battery cooling control method of claim 1, further comprising: predicting at least one of an amount of usage of the battery or an amount of heat to be generated in the battery based on a result of the data analysis; and dynamically determining a battery cooling control time point and a battery cooling control value based on at least one of the amount of usage of the battery or the amount of heat to be generated in the battery. ### Claim 7 (depends on 1) The battery cooling control method of claim 1, further comprising: determining whether cooling control is necessary during parking based on a result of the data analysis; and when it is determined that the cooling control is necessary during the parking, performing the battery cooling control by waking up a battery management system. ### Claim 8 (depends on 1) The battery cooling control method of claim 1, further comprising: determining whether the cooling fan is normally driven based on fan feedback frequency information; and when it is determined that the cooling fan is not normally driven, calculating an optimal duty corresponding to a target amount of cooling by tuning a duty control value of the cooling fan, wherein the information includes the fan feedback frequency information indicating a rotational speed of the cooling fan. ### Claim 9 (depends on 1) The battery cooling control method of claim 1, further comprising: predicting cooling efficiency of the battery air cooling system based on big data accumulated in advance; and performing the battery cooling control according to the predicted cooling efficiency, wherein the big data includes statistical information of weather, temperature, humidity by region, location, month, and time zone. ### Claim 10 (depends on 1) The battery cooling control method of claim 1, wherein: the vehicle sensor and actuator information includes at least one of inlet air temperature information, battery cooling start temperature information, vehicle speed information, failure information, or cooling fan status information, the external environment information includes at least one of weather information, temperature information, humidity information, location information, driving road condition information, driving road type information, or traffic condition information, and the user information includes at least one of battery usage habit information, vehicle usage habit information, departure and arrival location setting information, or cooling control accumulated information. ### Claim 11 A battery cooling control apparatus for an environmental vehicle equipped with a battery air cooling system, the battery cooling control apparatus comprising: an input device configured to collect information for driving a cooling fan; a data analyzer configured to perform data analysis based on the collected information; and a cooling controller configured to perform battery cooling control based on a result of the data analysis, wherein the information includes vehicle sensor and actuator information, external environment information, and user information. ### Claim 12 (depends on 11) The battery cooling control apparatus of claim 11, wherein the cooling controller is further configured to: perform at least one of a cooling fan duty control for controlling a rotational speed of the cooling fan, or an available battery power control for limiting an amount of output of a battery. ### Claim 13 (depends on 12) The battery cooling control apparatus of claim 12, wherein the cooling controller is configured to: perform the cooling fan duty control that has a resolution set to have a change amount in rotational speed less than a minimum change amount in rotational speed between driving stages of the cooling fan. ### Claim 14 (depends on 11) The battery cooling control apparatus of claim 11, further comprising: a smart failure safety controller configured to limit an available battery power to at least a predetermined level when it is determined that the cooling fan has failed and a battery temperature is higher than a reference value as a result of the data analysis. ### Claim 15 (depends on 11) The battery cooling control apparatus of claim 11, wherein the cooling controller is configured to: determine a battery cooling start temperature based on a result of the data analysis and big data accumulated in advance; and start the battery cooling control when it is determined that a battery temperature is higher than the battery cooling start temperature. ### Claim 16 (depends on 11) The battery cooling control apparatus of claim 11, wherein the cooling controller is configured to: predict at least one of an amount of usage of a battery or an amount of heat to be generated in the battery based on a result of the data analysis; and dynamically determine a battery cooling control time point and a battery cooling control value based on at least one of the amount of usage of the battery or the amount of heat to be generated in the battery. ### Claim 17 (depends on 11) The battery cooling control apparatus of claim 11, wherein the cooling controller is configured to: determine whether cooling control is necessary during parking based on a result of the data analysis; and perform the battery cooling control by waking up a battery management system when it is determined that the cooling control is necessary during the parking. ### Claim 18 (depends on 11) The battery cooling control apparatus of claim 11, wherein the cooling controller is configured to: determine whether the cooling fan is normally driven based on fan feedback frequency information; and calculate an optimal duty corresponding to a target amount of cooling by tuning a duty control value of the cooling fan when it is determined that the cooling fan is not normally driven, wherein the information includes the fan feedback frequency information indicating a rotational speed of the cooling fan. ### Claim 19 (depends on 11) The battery cooling control apparatus of claim 11, wherein the cooling controller is configured to: predict cooling efficiency of the battery air cooling system based on big data accumulated in advance; and perform the battery cooling control according to the predicted cooling efficiency, wherein the big data includes statistical information of weather, temperature, humidity by region, location, month, and time zone. ### Claim 20 (depends on 11) The battery cooling control apparatus of claim 11, wherein: the vehicle sensor and actuator information includes at least one of inlet air temperature information, battery cooling start temperature information, vehicle speed information, failure information, or cooling fan status information, the external environment information includes at least one of weather information, temperature information, humidity information, location information, driving road condition information, driving road type information, or traffic condition information, and the user information includes at least one of battery usage habit information, vehicle usage habit information, departure and arrival location setting information, or cooling control accumulated information.