US20120074236A1 - Control method of air conditioner in electrical vehicle - Google Patents

Control method of air conditioner in electrical vehicle Download PDF

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Publication number
US20120074236A1
US20120074236A1 US13/310,324 US201113310324A US2012074236A1 US 20120074236 A1 US20120074236 A1 US 20120074236A1 US 201113310324 A US201113310324 A US 201113310324A US 2012074236 A1 US2012074236 A1 US 2012074236A1
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United States
Prior art keywords
heater
temperature
discharge temperature
air
conditioning system
Prior art date
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Abandoned
Application number
US13/310,324
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English (en)
Inventor
Jaewoong Kim
Jungho Kwon
Taewoong Lim
Joonhyung Park
Changwon LEE
Kilyong Jang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hyundai Motor Co
Kia Corp
Original Assignee
Hyundai Motor Co
Kia Motors Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hyundai Motor Co, Kia Motors Corp filed Critical Hyundai Motor Co
Assigned to KIA MOTORS CORPORATION, HYUNDAI MOTOR COMPANY reassignment KIA MOTORS CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: JANG, KILYONG, KIM, JAEWOONG, KWON, JUNGHO, Lee, Changwon, LIM, TAEWOONG, PARK, JOONHYUNG
Publication of US20120074236A1 publication Critical patent/US20120074236A1/en
Abandoned legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
    • B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
    • B60H1/2215—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters
    • B60H1/2218—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters controlling the operation of electric heaters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
    • B60H2001/2228—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant controlling the operation of heaters
    • B60H2001/2231—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant controlling the operation of heaters for proper or safe operation of the heater
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
    • B60H2001/2228—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant controlling the operation of heaters
    • B60H2001/224—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant controlling the operation of heaters automatic operation, e.g. control circuits or methods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
    • B60H2001/2246—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant obtaining information from a variable, e.g. by means of a sensor
    • B60H2001/225—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant obtaining information from a variable, e.g. by means of a sensor related to an operational state of another HVAC device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
    • B60H2001/2246—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant obtaining information from a variable, e.g. by means of a sensor
    • B60H2001/2256—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant obtaining information from a variable, e.g. by means of a sensor related to the operation of the heater itself, e.g. flame detection or overheating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
    • B60H2001/2259—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant output of a control signal
    • B60H2001/2262—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant output of a control signal related to the period of on/off time of the heater

Definitions

  • the present invention relates to a control method of an air conditioner, and more particularly, to a control method for an air conditioning system of an electric vehicle which prevents power from being consumed by a heater in the air conditioning system.
  • the internal cabin temperature of the vehicles is controlled by a separate electric heater and an air-conditioning system.
  • power that is consumed by the air-conditioning system of an electric-vehicle is greater than that of engine-driven vehicles because the air-conditioning system in electric vehicles requires power consumption for separately driving the electric heater and the air-conditioning system even when it is hot in summer in order to control the internal temperature of the vehicles.
  • the air-conditioning systems in electric vehicles can and do greatly effect the driving range of the electric vehicles.
  • the range can be increased by limiting the usage of the air-conditioning system by the user, this comes a cost to the occupant who might find themselves very uncomfortable especially on hot summer days.
  • the present invention has been made in an effort to provide a control method of an air conditioner that can prevent power from being consumed by driving a heater in an air conditioner by determining whether one or more heater cut-off conditions are satisfied from a desired discharge temperature, a desired evaporator temperature, an evaporator temperature, and a heater discharge temperature, and then cutting off the heater in response to a determination that one or more of these conditions are satisfied.
  • the present invention has been made in an effort to provide a control method of an air conditioner that can reduce power consumption by an air-conditioning system in the electric vehicle which is generated when a heater and an air conditioner are simultaneously operating by delaying operation of the heater when the air conditioner is in operation.
  • An exemplary embodiment of the present invention provides a control method of an air conditioner, including determining, by a controller, whether either a desired discharge temperature from an air-conditioning system to maintain the internal cabin temperature of a vehicle at a desired internal temperature and a desired evaporator temperature that is an evaporator temperature satisfies a heater operating condition; controlling, by the controller, operation of the heater in accordance with temperature and traveling conditions of the vehicle to output the desired discharge temperature when the heater operating condition is satisfied; and cutting off operation of the heater when a measured heater discharge temperature of the heater is measured to be equal to or greater than a reference temperature or the heater discharge temperature is greater than the desired discharge temperature by a predetermined temperature or more when the heater is operated.
  • the control method may further include re-determining whether at least the desired discharge temperature and the desired evaporator temperature satisfy the heater driving condition after the heater operation is cut off; and in response initiating operation of the heater when the heater operation condition is satisfied and the desired discharge temperature is a first temperature or less and the heater discharge temperature is a first predetermined amount T 1 , e.g., 15° C., lower than the desired discharge temperature.
  • the heater when the heater operation condition is satisfied and the desired discharge temperature is above the first temperature, the heater may again be operated when the heater discharge temperature is lower than a second temperature. Additionally, when the desired evaporator temperature is a second predetermined amount T 2 , e.g., 2° C., higher than the current measured evaporator temperature or the desired discharge temperature is a third predetermined amount T 3 , e.g., 4° C. higher than the desired evaporator temperature, the heater driving condition may be determined to be satisfied.
  • T 2 e.g., 2° C.
  • the control method may further include an air-conditioning system driving determining and delaying step that keeps the heater “maxed out” for a predetermined time such that operation of the heater is performed after a predetermined time is passed when the air-conditioning system is being operated, as a result of determining whether the air-conditioning system is being operated after determining that a heater operating condition has been satisfied. Additionally, when it is determined that the air-conditioning system is not being operated the heater may then be controlled to operate in accordance with temperature and traveling conditions of the vehicle to output the desired discharge temperature when the heater operating condition is satisfied.
  • the heater operation may be cut off when the heater discharge temperature is a predetermined temperature T 4 , e.g., 85° C., or more, which is a reference temperature, or the heater discharge temperature is larger than the desired discharge temperature by a predetermined temperature, T 5 , 20° C., or more, which is a predetermined temperature for cutting off power to the heater.
  • a predetermined temperature T 4 e.g. 85° C., or more, which is a reference temperature
  • the control method of an air conditioner prevents power from being consumed by operation of a heater in an air conditioning system of an electric vehicle by determining whether one or more heater cut-off conditions are satisfied based a desired discharge temperature, a desired evaporator temperature, an evaporator temperature, and/or a heater discharge temperature, and then cutting off the heater in response to this determination.
  • the exemplary embodiments of the present invention can reduce the amount of power consumed by an air-conditioning system that is generated when a heater and an air conditioner are simultaneously operated by delaying operation of the heater while the air conditioner is in operation.
  • FIG. 1A and FIG. 1B are flowcharts illustrating a control method of an air conditioner according to an exemplary embodiment of the present invention.
  • FIG. 2 is a block diagram showing the configuration of an air-conditioning system for illustrating the control method of an air conditioner shown in FIG. 1A and FIG. 1B .
  • vehicle or “vehicular” or other similar term as used herein is inclusive of all electrically operated vehicles including fuel cell and hybrid vehicles and any configuration thereof in general, such as passenger automobiles including sports utility vehicles (SUV), buses, trucks, various commercial vehicles, watercraft including a variety of boats and ships, aircraft, and the like. Further, this invention can also be modified to operate in fuel-computation vehicles as well. However, the examples below will be described with reference to an electric vehicle utilizing a battery as its main source of power.
  • SUV sports utility vehicles
  • an air-conditioning controller 110 is installed and configured to calculate a desired discharge temperature, T o , for discharged air from an air conditioning system 100 and a desired evaporator temperature, T eo , of a evaporator in air-conditioner (air con) 130 , in order for a driver to maintain a desired internal temperature within the cabin of the vehicle.
  • Air-conditioning controller 110 performs a driving condition determining step S 1 that determines whether either the desired discharge temperature T o or the desired evaporator temperature T eo , which were previously calculated by the air-conditioning controller 110 , satisfy an operation condition for operating a heater within the air conditioning system 100 .
  • the air-conditioning controller 100 in the exemplary embodiment may be a controller of an FATC (Full Automatic Temperature Control) that controls operation of electronic devices such as a heater 120 and the air-con 130 , which are each separate devices in the air conditioning system 100 , in accordance with the state and temperature of the vehicle which are supplied from various sensors (not shown) in the vehicle.
  • FATC Full Automatic Temperature Control
  • the air-conditioning controller 110 may determine that a heater driving condition has been satisfied, when, for example, the desired evaporator temperature T eo is T 2 degrees, e.g., 2° C., higher than the evaporator temperature T e measured from the evaporator in the air-con 130 or the desired discharge temperature T o is T 3 , e.g., 4° C., higher than the desired evaporator temperature T eo .
  • the air-conditioning controller 110 may determine whether the desired evaporator temperature T eo is larger than a first value obtained by adding T 2 , e.g., 2° C., to the evaporator temperature T e (S 11 ) and determine that the heater driving condition is satisfied when the desired evaporator temperature T eo is larger than the first value obtained by adding T 2 , e.g., 2° C. to the evaporator temperature T e .
  • the air-conditioning controller 110 may determine whether the desired discharge temperature T o is larger than a second value obtained by adding T 3 , e.g., 4° C., to the desired evaporator temperature T eo , when the desired evaporator temperature T eo is equal to or smaller than the first value obtained by adding T 2 to the evaporator temperature T e (S 12 ). If T o is not larger than a second value obtained by adding T 3 , e.g., 4° C., to the desired evaporator temperature T eo , the controller repeats steps (S 11 ) and (S 12 ) until one of the defined conditions are satisfied.
  • a second value obtained by adding T 3 e.g., 4° C.
  • the air-conditioning controller 110 determines that the heater operation condition has been satisfied when the desired discharge temperature T o is larger than the value obtained by adding, T 2 , e.g., 4° C., to the desired evaporator temperature T eo .
  • heater 120 is kept turned off (S 5 ) and the controller repeats steps (S 11 ) or (S 61 ) and (S 12 ) or (S 62 ) until one of the heater operation conditions are satisfied.
  • the controller may, in some embodiments like the one shown in FIG. 1A , additionally determine whether air-con 130 is currently being operated (S 21 ) and an air-con driving determining and delaying step (S 2 ) that keeps heater 120 stopped for a predetermined time in accordance with whether air-con 130 is driven is performed.
  • a heater operation control step (S 3 ) that controls the operation of heater 120 in accordance with the temperature and traveling conditions of the vehicle is performed to output the desired discharge temperature T o .
  • the air-conditioning controller 110 drives a timer t.
  • the air-conditioning controller 110 determines whether a certain operational time has passed a predetermined time t o from timer t (S 23 ), and when the predetermined time t o of timer t has passed, a heater operating control step (S 3 ) that controls operation of heater 120 is performed by the controller 110 .
  • the predetermined time t o may be set at 1 minute, for example.
  • the heater driving control step (S 3 ) that controls driving of heater 120 may be performed after heater 120 is kept stopped for the predetermined time t o in which the temperature of the evaporator is led to be decreased by, e.g., reducing the operational RPM of a compressor of air-con 130 .
  • the air-conditioning controller 110 controls the operation of heater 120 which may be embodied as a Positive Thermal Coefficient (PTC) heater so that the temperature of air supplied from air conditioning system 100 into the vehicle is controlled to become the desired discharge temperature To in accordance with the temperature of the internal/external air and conditions of the vehicle.
  • the air-conditioning controller 100 controls the temperature of the air discharged from heater 120 by controlling a operation signal supplied to heater 120 in a PWM (Pulse Width Modulation) type arrangement in order to control the discharge temperature of air conditioning system 100 to the desired discharge temperature T o .
  • PWM Pulse Width Modulation
  • a heater cut-off determining step (S 4 ) is performed. This step (S 4 ), cuts off driving of heater 120 when the heater discharge temperature T p , which is continually increased by driven heater 120 , is greater than or equal to a reference temperature T 4 or when the heater discharge temperature Tp is greater than or equal at a predetermined temperature T 5 plus a desired discharge temperature T o .
  • the air-conditioning controller 110 may determine whether the heater discharge temperature Tp is 85° C. or more, which is the reference temperature T 4 , in the heater cut-off determining step (S 41 ), and when it is determined that the heater discharge temperature Tp is T 4 or more, the heater is turned off (S 5 ) by turning off the heater (S 43 ) to prevent heater 120 from becoming overheated.
  • the reference temperature T 4 may be set at different values in accordance with the driving characteristics of the air-conditioning system of vehicles and the environment in which the vehicle is currently or has previously been driving in.
  • the air-conditioning controller 110 determines whether the heater discharge temperature Tp is greater than or equal to the desired discharge temperature T o plus T 5 (e.g., 20° C.), is the combination of which a predetermined temperature.
  • the heater discharge temperature T p is greater than or equal to a value obtained by adding T 5 to the desired discharge temperature T o , the heater is turned off (S 5 ) by turning off the power supply to the heater (S 43 ) in order to prevent further power consumption from being generated by overheating the heater 120 .
  • the controller may be configure to then perform the heater driving control step (S 3 ) that controls the desired discharge temperature To through the heater discharge temperature Tp by operation of the heater 120 .
  • an operating condition re-determining step (S 6 ) that re-determines whether either the desired discharge temperature T o or the desired evaporator temperature T eo satisfies the heater operation conditions.
  • the air-conditioning controller 110 determines whether the heater re-operation condition is satisfied, when the desired evaporator temperature T eo is T 2 (e.g., 2° C.) higher than the evaporator temperature T e or the desired discharge temperature T o is T 3 (e.g., 4° C.) higher than the desired evaporator temperature T eo .
  • the air-conditioning controller 110 determines whether the desired evaporator temperature T eo is larger than a first value obtained by adding T 2 (e.g., 2° C.) to the evaporator temperature T e . Further, when the desired evaporator temperature T eo is greater than the first value obtained by adding T 2 (e.g., 2° C.) to the evaporator temperature T e , it is determined that the heater re-driving condition is satisfied, and a cut-off removal determining step (S 7 ) is performed. In doing so, the controller 110 determines whether the condition for removing cut-off of heater 120 is satisfied.
  • T 2 e.g., 2° C.
  • the air-conditioning controller 110 determines whether the desired discharge temperature T o is greater than a second value obtained by adding T 3 (e.g., 4° C.) to the desired evaporator temperature T eo , when the desired evaporator temperature T eo is equal to or less than the first value obtained by adding T 2 (e.g., 2° C.) to the evaporator temperature (S 62 ).
  • T 3 e.g. 4° C.
  • the air-conditioning controller 110 determines that the heater operating conditions are satisfied, and a cut-off removal determining step (S 7 ) is performed to determines whether the conditions for removing cut-off (turning on) of heater 120 is satisfied.
  • the driving condition re-determining step (S 6 ) when it is determined that the heater driving condition is not satisfied, heater 120 is kept turned off (S 5 ), in a cut-off state.
  • the desired discharge temperature T o is a T 6 (e.g., 64° C.) or less in the cut-off removal determining step (S 7 )
  • the heater discharge temperature T p is T 1 (e.g., 15° C.) lower than the desired discharge temperature T o (S 71 ).
  • the heater discharge temperature T p is less than a value obtained by adding T 1 (e.g., 15° C.) to the desired discharge temperature T o , it is determined that the heater cut-off removal condition is satisfied.
  • the T 6 may be set to 64° C., for example. More specifically, temperature T 6 is a tuning value for the desired discharge temperature T o and may be set in accordance with the temperature control characteristics of the air conditioning system 100 .
  • the heater 120 when the heater 120 is a PTC heater, the temperature is not increased immediately even if power is supplied, thus when the heater discharge temperature T p (measured now from heater 120 ) is less than the value obtained by adding T 1 (e.g., 15° C.) to the desired discharge temperature T o , the heater 120 may be turned back on (remove heater cut-off) (S 73 ) to easily control the discharge temperature from the air conditioning system 100 to the desired discharge temperature T o by allowing early for heating of the heater 120 .
  • T 1 e.g. 15° C.
  • the controller 110 determines whether the heater discharge temperature T p is less than or equal to T 7 (e.g., 84° C.) (S 72 ), and when the desired discharge temperature To is above T 6 and the desired discharge temperature T p is less than or equal to T 7 , it is determined that the cut-off removal condition is also satisfied.
  • T 7 may be set to 84° C., for example.
  • the heater 120 When the desired discharge temperature T o is greater than the T 6 , the heater 120 is operated earlier in comparison to when it is the T 6 or less, and when the heater discharge temperature T p is T 7 or less, it is determined that the heater cut-off removal condition is satisfied and the heater 120 is turned back on (S 73 ). When the cut-off of heater 120 is removed (i.e., the heater 120 is turned back on), the heater driving control step (S 3 ) that controls the operation of heater 120 is again operated so that the temperature of the air supplied into the vehicle becomes the desired discharge temperature T o .
  • the present invention is able to prevent power from being consumed by operation of the heater 120 by turning off the heater 120 when certain temperature dependent and/or time dependent conditions are satisfied. These conditions are based on a desired discharge temperature T o , a desired evaporator temperature T eo , an evaporator temperature T e , and a heater discharge temperature T p . Further, the present invention can reduce the amount of power consumed by an air-conditioning system which is generated when a heater and an air conditioner are simultaneously operated by delaying operation of the heater when the air conditioner is in operation.
  • the present invention may be embodied as computer readable media on a computer readable medium in an on-board computation unit containing executable program instructions executed by a processor.
  • the computer readable mediums include, but are not limited to, ROM, RAM, compact disc (CD)-ROMs, magnetic tapes, floppy disks, and optical data storage devices.
  • the computer readable recording medium can also be distributed in network coupled computer systems so that the computer readable media is stored and executed in a distributed fashion.
US13/310,324 2010-09-09 2011-12-02 Control method of air conditioner in electrical vehicle Abandoned US20120074236A1 (en)

Applications Claiming Priority (2)

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KR1020100088246A KR101210097B1 (ko) 2010-09-09 2010-09-09 공조 장치의 제어 방법
KR10-2010-0088246 2010-09-09

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JP (1) JP5824277B2 (ko)
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CN (1) CN102434942B (ko)

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CN105091239A (zh) * 2015-08-26 2015-11-25 珠海格力电器股份有限公司 空调控制方法及空调控制系统
FR3101508A1 (fr) * 2019-10-01 2021-04-02 Valeo Systemes Thermiques Procédé de gestion thermique, notamment pour véhicule automobile, et unité de commande associée
FR3101509A1 (fr) * 2019-10-01 2021-04-02 Valeo Systemes Thermiques Procédé de gestion thermique, notamment pour véhicule automobile, et unité de commande associée

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CN103453623A (zh) * 2013-09-13 2013-12-18 天津大学建筑设计研究院 一种水源热泵空调系统运行参数优化控制方法
JP6383536B2 (ja) * 2013-12-09 2018-08-29 カルソニックカンセイ株式会社 車両空調用安全装置、及びその制御方法
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KR20120026184A (ko) 2012-03-19
CN102434942B (zh) 2016-02-10

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