IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0331227
(2002-12-30)
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우선권정보 |
KR-0035654 (2002-06-25) |
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
Morgan Lewis & Bockius LLP
|
인용정보 |
피인용 횟수 :
14 인용 특허 :
6 |
초록
▼
The method for controlling a hybrid air conditioning system of a direct coupled motor-driven hybrid electric vehicle includes detecting operating conditions of the air conditioning system; and controlling the hybrid air conditioning system. The hybrid air conditioning system includes a mechanical ai
The method for controlling a hybrid air conditioning system of a direct coupled motor-driven hybrid electric vehicle includes detecting operating conditions of the air conditioning system; and controlling the hybrid air conditioning system. The hybrid air conditioning system includes a mechanical air conditioner driven by an engine and an electric air conditioner driven by electric power of a battery.
대표청구항
▼
1. A method for controlling a hybrid air conditioning system of a direct coupled motor driven hybrid electric vehicle, comprising: detecting operating conditions of the hybrid air conditioning system; and controlling the hybrid air conditioning system including a mechanical air conditioner driv
1. A method for controlling a hybrid air conditioning system of a direct coupled motor driven hybrid electric vehicle, comprising: detecting operating conditions of the hybrid air conditioning system; and controlling the hybrid air conditioning system including a mechanical air conditioner driven by an engine and an electric air conditioner driven by electric power of a battery; wherein said detecting operating conditions of the air conditioning system includes detecting an on/off state of an air conditioning system switch;calculating a temperature difference between a detected interior temperature and a target temperature if the air conditioning system switch is on; anddetecting an operating condition of the vehicle;wherein said detecting an operating condition of the vehicle includes determining whether or not the engine is in an idle stop state and determining whether or not a state-of-charge of a battery is greater than a predetermined value when the engine is in the idle stop state; andwherein said controlling the air conditioning system includes stopping operation of the mechanical air conditioner when the state-or-charge of the battery is greater than a predetermined value and starting operation of the electric air conditioner when a refrigerant temperature in an evaporator of the electric air conditioner is greater than a predetermined temperature.2. A method for controlling a hybrid air conditioning system of a direct coupled motor driven hybrid electric vehicle, comprising: detecting operating conditions of the hybrid air conditioning system; and controlling the hybrid air conditioning system including a mechanical air conditioner driven by an engine and an electric air conditioner driven by electric power of a battery; wherein said detecting operating conditions of the air conditioning system includes detecting an on/off state of an air conditioning system switch;calculating a temperature difference between a detected interior temperature and a target temperature if the air conditioning system switch is on; anddetecting an operating condition of the vehicle; wherein said detecting an operating condition of the vehicle includes: determining whether or not the engine is in an idle stop state;determining whether or not a state-of-charge of a battery is greater than a predetermined value when the engine is in the state of idle stop; andrestarting the engine when the state-of-charge of the battery is below the predetermined value; and wherein said controlling the hybrid air conditioning system includes: stopping operation of the mechanical air conditioner when the vehicle suddenly accelerates and starting operation of the electric air conditioner when a refrigerant temperature in an evaporator of the electric air conditioner is greater than a predetermined temperature.3. A method for controlling a hybrid air conditioning system of a direct coupled motor driven hybrid electric vehicle, comprising: detecting operating conditions of the hybrid air conditioning system; and controlling the hybrid air conditioning system including a mechanical air conditioner driven by an engine and an electric air conditioner driven by electric power of a battery; wherein said detecting operating conditions of the air conditioning system includes detecting an on/off state of an air conditioning system switch;calculating a temperature difference between a detected interior temperature and a target temperature if the air conditioning system switch is on; anddetecting an operating condition of the vehicle; and wherein said detecting an operating condition of the vehicle includes: determining whether or not the engine is in an idle stop state; anddetermining whether or not the vehicle suddenly accelerates when the engine is not in the state of idle stop, and wherein said controlling the air conditioning system includes: stopping operation of a mechanical air conditioner and starting operation of the electric air conditio ner if a refrigerant temperature in an evaporator of the electric air conditioner is greater than a predetermined temperature, when the vehicle is in the state of sudden acceleration.4. A method for controlling a hybrid air conditioning system of a direct coupled motor driven hybrid electric vehicle, comprising: detecting operating conditions of the hybrid air conditioning system; and controlling the hybrid air conditioning system including a mechanical air conditioner driven by an engine and an electric air conditioner driven by electric power of a battery; wherein said detecting operating conditions of the air conditioning system includes detecting an on/off state of an air conditioning system switch;calculating a temperature difference between a detected interior temperature and a target temperature if the air conditioning system switch is on; anddetecting an operating condition of the vehicle; wherein said detecting an operating condition of the vehicle includes: determining whether or not the engine is in a state of idle stop; anddetermining whether or not the vehicle suddenly accelerates when the engine is not in the state of idle stop, and wherein said controlling the hybrid air conditioning system includes: starting operation of the mechanical air conditioner when a refrigerant temperature in an evaporator of the mechanical air conditioner is greater than a predetermined temperature, and starting operation of the electrical air conditioner when a refrigerant temperature in an evaporator of the electric air conditioner is greater than a predetermined temperature, where the vehicle is not suddenly accelerating.5. A method for controlling a hybrid air conditioning system of a direct coupled motor driven hybrid electric vehicle, comprising: detecting operating conditions of the hybrid air conditioning system; and controlling the hybrid air conditioning system including a mechanical air conditioner driven by an engine and an electric air conditioner driven by electric power of a battery; wherein said detecting operating condition of the air conditioning system includes detecting an on/off state of an air conditioning system switch;calculating a temperature difference between a detected interior temperature and a target temperature if the air conditioning system switch is on; anddetecting an operating condition of the vehicle; wherein said detecting an operating condition of the vehicle includes: determining whether or not the engine is in the idle stop state; anddetermining whether or not a state-of-charge of a battery is greater than a predetermined value when the engine is in the idle stop state;restarting the engine when the state-of-charge of the battery is below the predetermined value; anddetermining whether or not the vehicle is suddenly accelerating when the engine is restarted, and wherein said controlling the hybrid air conditioning system includes: starting operation of the mechanical air conditioner when a refrigerant temperature in an evaporator of the mechanical air conditioner is greater than a predetermined temperature and starting operation of the electrical air conditioner when a refrigerant temperature in an evaporator of the electric air conditioner is greater than a predetermined temperature, where the vehicle is suddenly accelerating.6. A hybrid air conditioning system of a direct coupled motor driven hybrid electric vehicle comprising: an operating condition detector for detecting at least one operating condition of the hybrid air conditioning system; an electric air conditioner driven by electric power of a battery, and a mechanical air conditioner driven by an engine; and a control unit for controlling the hybrid air conditioning system based on at least one operating condition inputted from the operating condition detector; and wherein the operating condition detector includes: an air conditioning system switch for turning the hybrid air conditioning unit on and offa n interior temperature detector for detecting temperature inside the vehicle;an engine rpm detector for detecting engine rpm;a battery status detector for detecting state-of-charge (SOC) of the battery;a first evaporator refrigerant temperature detector for detecting refrigerant temperature in an evaporator of the mechanical air conditioner; anda second evaporator refrigerant temperature detector for detecting refrigerant temperature in an evaporator of the electrical air conditioner.7. The hybrid air conditioning system of claim 6, wherein the mechanical air conditioner includes: a mechanical compressor for compressing refrigerant using mechanical power from the engine; a condenser for condensing the refrigerant from the mechanical compressor by radiating heat of the refrigerant; an expansion valve for expanding the refrigerant from the condenser; an evaporator for vaporizing the refrigerant by absorbing heat from outside of the vehicle; and a blower unit for blowing air refrigerated around the evaporator into a target space. 8. The hybrid air conditioning system of claim 6, wherein the electric air conditioner includes: an electrical compressor for compressing refrigerant using electric power of a battery; a condenser for condensing the refrigerant from the electrical compressor by radiating heat of the refrigerant; an expansion valve for expanding the refrigerant from the condenser; an evaporator for vaporizing the refrigerant by absorbing heat from outside the vehicle; and a blower unit for blowing air refrigerated around the evaporator into a target space. 9. A hybrid air conditioning system of a direct coupled motor driven hybrid electric vehicle comprising: an operating condition detector for detecting at least one operating condition of the hybrid air conditioning system; an electric air conditioner driven by electric power of a battery, and a mechanical air conditioner driven by an engine; and a control unit for controlling the hybrid air conditioning system based on at least one operating condition inputted from the operating condition detector; wherein the control unit is programmed to perform a method for controlling a hybrid air conditioning system, the method comprising: detecting operating conditions of the hybrid air conditioning system; and controlling a mechanical air conditioner and an electric air conditioner of the hybrid air conditioning system based on the detected operating conditions; wherein said detecting operating conditions of the air conditions system includes: detecting an on/off state of an air conditioning system switch;calculating a temperature difference between a detected interior temperature and a target temperature when the air conditioning system switch is on; anddetecting an operating condition of the vehicle; and wherein said detecting an operating condition of the vehicle includes: determining whether or not the engine is in an idle stop state; anddetermining whether or not a state-of-charge of a battery is greater than a predetermined value when the engine is in the idle stop state, and wherein said controlling a mechanical air conditioner and an electric air conditioner of the hybrid air conditioning system includes stopping operation of the mechanical air conditioner when the state-of-charge of the battery is greater than the predetermined value and starting operation of the electric air conditioner when a refrigerant temperature in an evaporator of the electric air conditioner is greater than a predetermined temperature. 10. A hybrid air conditioning system of a direct coupled motor driven hybrid electric vehicle comprising: an operating condition detector for detecting at least one operating condition of the hybrid air conditioning system; an electric air conditioner driven by electric power of a battery, and a mechanical air conditioner driven by an engine; and a control unit for controlling the hybrid air conditioning system based on at least one operating condition inputted from the operating condition detector; wherein the control unit is programmed to perform a method for controlling a hybrid air conditioning system, the method comprising: detecting operating conditions of the hybrid air conditioning system; andcontrolling a mechanical air conditioner and an electric air conditioner of the hybrid air conditioning system based on the detected operating conditions;wherein said detecting operating conditions of the air conditions system includes:detecting an on/off state of an air conditioning system switch;calculating a temperature difference between a detected interior temperature and a target temperature when the air conditioning system switch is on; and detecting an operating condition of the vehicle; and wherein said detecting an operating condition of the vehicle includes: determining whether or not the engine is in an idle stop state;determining whether or not a state-of-charge of a battery is greater than a predetermined value when the engine is in the idle stop state; andrestarting the engine when the state-of-charge of the battery is below the predetermined value, and wherein said controlling a mechanical air conditioner and an electric air conditioner of the air conditioning system includes: stopping operation of the mechanical air conditioner when the vehicle suddenly accelerates and starting operation of the electric air conditioner when a refrigerant temperature in an evaporator of the electric air conditioner is greater than a predetermined temperature.11. A hybrid air conditioning system of a direct coupled motor driven hybrid electric vehicle comprising: an operating condition detector for detecting at least one operating condition of the hybrid air conditioning system; an electric air conditioner driven by electric power of a battery, and a mechanical air conditioner driven by an engine; and a control unit for controlling the hybrid air conditioning system based on at least one operating condition inputted from the operating condition detector; wherein the control unit is programmed to perform a method for controlling a hybrid air conditioning system, the method comprising: detecting operating conditions of the hybrid air conditioning system; andcontrolling a mechanical air conditioner and an electric air conditioner of the hybrid air conditioning system based on the detected operating conditions; wherein said detecting operating conditions of the air conditions system includes: detecting an on/off state of an air conditioning system switch;calculating a temperature difference between a detected interior temperature and a target temperature when the air conditioning system switch is on; anddetecting an operating condition of the vehicle; and wherein said detecting an operating condition of the vehicle includes: determining whether or not the engine is in an idle stop state; and determining whether or not the vehicle suddenly accelerates when the engine is not in the idle stop state, and wherein said controlling a mechanical air conditioner and an electric air conditioner of the air conditioning system includes: stopping operation of a mechanical air conditioner and starting operation of the electric air conditioner if a refrigerant temperature in an evaporator of the electric air conditioner is greater than a predetermined temperature, when the vehicle suddenly accelerates.12. A hybrid air conditioning system of a direct coupled motor driven hybrid electric vehicle comprising: an operating condition detector for detecting at least one operating condition of the hybrid air conditioning system; an electric air conditioner driven by electric power of a battery, and a mechanical air conditioner driven by an engine; and a control unit for controlling the hybrid air conditioning system based on at least one operating condition inputted from the operating condition detector; wherein the contro l unit is programmed to perform a method for controlling a hybrid air conditioning system, the method comprising: detecting operating conditions of the hybrid air conditioning system; andcontrolling a mechanical air conditioner and an electric air conditioner of the hybrid air conditioning system based on the detected operating conditions; wherein said detecting operating conditions of the air conditions system includes: detecting an on/off state of an air conditioning system switch;calculating a temperature difference between a detected interior temperature and a target temperature when the air conditioning system switch is on; anddetecting an operating condition of the vehicle; and wherein said detecting an operating condition of the vehicle includes: determining whether or not the engine is in an idle stop state; anddetermining whether or not the vehicle suddenly accelerates when the engine is not in the idle stop state, and wherein said controlling a mechanical air conditioner and an electric air conditioner of the air conditioning system includes: starting operation of the mechanical air conditioner when a refrigerant temperature in an evaporator of the mechanical air conditioner is greater than a predetermined temperature and starting operation of the electrical air conditioner when a refrigerant temperature in an evaporator of the electric air conditioner is greater than a predetermined temperature, in the case that the vehicle is not suddenly accelerating.13. A hybrid air conditioning system of a direct coupled motor driven hybrid electric vehicle comprising: an operating condition detector for detecting at least one operating condition of the hybrid air conditioning system; an electric air conditioner driven by electric power of a battery, and a mechanical air conditioner driven by an engine; and a control unit for controlling the hybrid air conditioning system based on at least one operating condition inputted from the operating condition detector; wherein the control unit is programmed to perform a method for controlling a hybrid air conditioning system, the method comprising: detecting operating conditions of the hybrid air conditioning system; andcontrolling a mechanical air conditioner and an electric air conditioner of the hybrid air conditioning system based on the detected operating conditions; wherein said detecting operating conditions of the air conditions system includes: detecting an on/off state of an air conditioning system switch;calculating a temperature difference between a detected interior temperature and a target temperature when the air conditioning system switch is on; anddetecting an operating condition of the vehicle; and wherein said detecting an operating condition of the vehicle includes: determining whether or not the engine is an idle stop state;determining whether or not a state-of-charge of a battery is greater than a predetermined value when the engine is in the idle stop state;restarting the engine when the state-of-charge of the battery is below the predetermined value; anddetermining whether or not the vehicle suddenly accelerates, when the engine is restarted, and wherein said controlling a mechanical air conditioner and an electric air conditioner of the hybrid air conditioning system includes: starting operation of the mechanical air conditioner when a refrigerant temperature in an evaporator of the mechanical air conditioner is greater than a predetermined temperature, and starting operation of the electrical air conditioner when a refrigerant temperature in an evaporator of the electric air conditioner is greater than a predetermined temperature, in the case that the vehicle suddenly accelerates.14. A method for controlling a hybrid air conditioning system of a direct coupled motor driven hybrid electric vehicle, comprising: detecting operating conditions of the hybrid air conditioning system; and controlling the hybrid air conditioning system incl uding a mechanical air conditioner driven by an engine and an electric air conditioner driven by electric power of a battery; wherein said detecting operating conditions of the air conditioning system includes detecting an on/off state of an air conditioning system switch; calculating a temperature difference between a detected interior temperature and a target temperature if the air conditioning system switch is on; anddetecting an operating condition of the vehicle; wherein said detecting an operating condition of the vehicle includes: determining whether or not the engine is in an idle stop state; anddetermining whether or not a state-of-charge of a battery is greater than a predetermined value when the engine is in the idle stop state;restarting the engine when the state-of-charge of the battery is below the predetermined value;determining whether or not the vehicle suddenly accelerates when the engine is not in the state of idle stop;restarting the engine when the state-of-charge of the battery is below the predetermined value; anddetermining whether or not the vehicle is suddenly accelerating when the engine is restarted; wherein said controlling the hybrid air conditioning system includes: stopping operation of the mechanical air conditioner when the state-of-charge of the battery is greater than a predetermined value and starting operation of the electric air conditioner when a refrigerant temperature in an evaporator of the electric air conditioner is greater than a predetermined temperature;stopping operation of the mechanical air conditioner when the vehicle suddenly accelerates and starting operation of the electric air conditioner when a refrigerant temperature in an evaporator of the electric air conditioner is greater than a predetermined temperature;stopping operation of a mechanical air conditioner and starting operation of the electric air conditioner if a refrigerant temperature in an evaporator of the electric air conditioner is greater than a predetermined temperature, when the vehicle is in the state of sudden acceleration;starting operation of the mechanical air conditioner when a refrigerant temperature in an evaporator of the mechanical air conditioner is greater than a predetermined temperature, and starting operation of the electrical air conditioner when a refrigerant temperature in an evaporator of the electric air conditioner is greater than a predetermined temperature, where the vehicle is not suddenly accelerating;starting operation of the mechanical air conditioner when a refrigerant temperature in an evaporator of the mechanical air conditioner is greater than a predetermined temperature and starting operation of the electrical air conditioner when a refrigerant temperature in an evaporator of the electric air conditioner is greater than a predetermined temperature, where the vehicle is suddenly accelerating.15. A hybrid air conditioning system of a direct coupled motor driven hybrid electric vehicle comprising: an operating condition detector for detecting at least one operating condition of the hybrid air conditioning system; an electric air conditioner driven by electric power of a battery, and a mechanical air conditioner driven by an engine; and a control unit for controlling the hybrid air conditioning system based on at least one operating condition inputted from the operating condition detector; wherein the control unit is programmed to perform a method for controlling a hybrid air conditioning system, the method comprising: detecting operating conditions of the hybrid air conditioning system; andcontrolling a mechanical air conditioner and an electric air conditioner of the hybrid air conditioning system based on the detected operating conditions; wherein said detecting operating conditions of the air conditions system includes: detecting an on/off state of an air conditioning system switch;calculating a temperature difference between a detected interior temperat ure and a target temperature when the air conditioning system switch is on; anddetecting an operating condition of the vehicle; and wherein said detecting an operating condition of the vehicle includes: determining whether or not the engine is in an idle stop state; anddetermining whether or not a state-of-charge of a battery is greater than a predetermined value when the engine is in the idle stop state;restarting the engine when the state-of-charge of the battery is below the predetermined value;determining whether or not the vehicle suddenly accelerates when the engine is not in the idle stop state;restarting the engine when the state-of-charge of the battery is below the predetermined value;determining whether or not the vehicle suddenly accelerates, when the engine is restarted; and wherein said controlling a mechanical air conditioner and an electric air conditioner of the hybrid air conditioning system includes: stopping operation of the mechanical air conditioner when the state-of-charge of the battery is greater than the predetermined value and starting operation of the electric air conditioner when a refrigerant temperature in an evaporator of the electric air conditioner is greater than a predetermined temperature;stopping operation of the mechanical air conditioner when the vehicle suddenly accelerates and starting operation of the electric air conditioner when a refrigerant temperature in an evaporator of the electric air conditioner is greater than a predetermined temperature;stopping operation of a mechanical air conditioner and starting operation of the electric air conditioner if a refrigerant temperature in an evaporator of the electric air conditioner is greater than a predetermined temperature, when the vehicle suddenly accelerates;starting operation of the mechanical air conditioner when a refrigerant temperature in an evaporator of the mechanical air conditioner is greater than a predetermined temperature and starting operation of the electrical air conditioner when a refrigerant temperature in an evaporator of the electric air conditioner is greater than a predetermined temperature, in the case that the vehicle is not suddenly accelerating; andstarting operation of the mechanical air conditioner when a refrigerant temperature in an evaporator of the mechanical air conditioner is greater than a predetermined temperature, and starting operation of the electrical air conditioner when a refrigerant temperature in an evaporator of the electric air conditioner is greater than a predetermined temperature, in the case that the vehicle suddenly accelerates.
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