A method for operating an HVAC system includes the steps of adjusting a heating temperature of a heat exchanger disposed in a first flow passage, directing a first partial air mass flow through the first flow passage, directing a second partial air mass flow through a second flow passage, and direct
A method for operating an HVAC system includes the steps of adjusting a heating temperature of a heat exchanger disposed in a first flow passage, directing a first partial air mass flow through the first flow passage, directing a second partial air mass flow through a second flow passage, and directing the first partial air mass flow and the second partial air mass flow downstream of the first flow passage and the second flow passage, wherein the heating temperature of the heat exchanger required to at least one of achieve and maintain a desired climate in the passenger compartment of the vehicle is set as a maximum heating temperature for the heat exchanger, and wherein only an amount of energy required to at least one of achieve and maintain a desired climate in the passenger compartment of the vehicle is added to the HVAC system.
대표청구항▼
1. A method for operating an HVAC system for conditioning air for a passenger compartment of a vehicle, the method comprising the steps of: adjusting a heating temperature of a heat exchanger disposed in a first flow passage;directing a first partial air mass flow through the first flow passage;dire
1. A method for operating an HVAC system for conditioning air for a passenger compartment of a vehicle, the method comprising the steps of: adjusting a heating temperature of a heat exchanger disposed in a first flow passage;directing a first partial air mass flow through the first flow passage;directing a second partial air mass flow through a second flow passage by means of a position of a stratification door, the second flow passage bypassing the heat exchanger; anddirecting the first partial air mass flow and the second partial air mass flow by means of an air guide member as total flow with stratified composition, the air guide member disposed downstream of the first flow passage and the second flow passage, wherein the heating temperature of the heat exchanger required to at least one of achieve and maintain a desired climate in the passenger compartment of the vehicle is set as a maximum heating temperature for the heat exchanger, and wherein only an amount of energy required to at least one of achieve and maintain a desired climate in the passenger compartment of the vehicle is added to the HVAC system, wherein the first partial air mass flow is directed through the heat exchanger and is heated in the heat exchanger, and wherein the heat exchanger is a media-passed heating heat exchanger of a closed coolant circuit, and wherein the closed coolant circuit includes an auxiliary heater and a radiator with a bypass and a control valve, and wherein a temperature of a heating medium that passes the heating heat exchanger is controlled inside the closed coolant circuit by at least one of a heat delivered to the heating medium in the auxiliary heater and a heat dissipated from the heating medium in the radiator. 2. The method according to claim 1, further comprising the step of at least one of cooling and dehumidifying at least one of the first partial air mass flow and the second partial air mass flow in an evaporator of a refrigerant circuit. 3. The method according to claim 1, wherein the heat exchanger is an electrically operated heat exchanger. 4. The method according to claim 1, wherein a heat removal in the radiator is controlled by dividing a mass flow of the heating medium through the bypass and the radiator by means of the control valve. 5. The method according to claim 1, further comprising the steps of: determining a state variable of an air in the passenger compartment of the vehicle;determining a state variable of an air passing through at least one of the first flow passage and the second flow passage;evaluating at least one of the state variable of the air in the passenger compartment and the state variable of the air passing through at least one of the first flow passage and the second flow passage; andcontrolling at least one of a heat transfer to the heating medium in the auxiliary heater, a position of the control valve of the radiator, and a position of the stratification door in response to the step of evaluating at least one of the state variable of the air in the passenger compartment and the state variable of the air passing through at least one of the first flow passage and the second flow passage. 6. The method according to claim 1, wherein the heat exchanger includes a control valve and a bypass past the heat exchanger, and wherein a heat dissipated from the heating medium to the first partial air flow is controlled by dividing a mass flow of the heating medium through the bypass and through the heating heat exchanger by means of the control valve. 7. The method according to claim 6, further comprising the steps of: determining a state variable of an air in the passenger compartment of the vehicle;determining a state variable of an air passing through at least one of the first flow passage and the second flow passage;evaluating at least one of the state variable of the air in the passenger compartment and the state variable of the air passing through at least one of the first flow passage and the second flow passage; andcontrolling at least one of a heat transfer to the heating medium in the auxiliary heater, a position of the control valve of the heat exchanger, and a position of the stratification door in response to the step of evaluating at least one of the state variable of the air in the passenger compartment and the state variable of the air passing through at least one of the first flow passage and the second flow passage. 8. The method according to claim 1, wherein the first partial air mass flow is directed through the heat exchanger by means of a position of a temperature door, and wherein the temperature door is disposed in the first flow passage. 9. The method according to claim 8, wherein the temperature door is operated only in one of a “full cold” end position and a “fully warm” end position, whereby in the “fully cold” end position the first partial air mass flow is directed to bypass the heating heat exchanger and in the “fully warm” end position the first partial air mass flow is directed through the heating heat exchanger. 10. The method according to claim 1, wherein the first partial air mass flow is directed through the heat exchanger and heated in the heat exchanger, with the heat exchanger established as a media-passed condenser of a closed refrigerant circuit. 11. The method according to claim 10, further comprising the steps of: determining a state variable of an air in the passenger compartment of the vehicle;determining a state variable of an air passing through at least one of the first flow passage and the second flow passage;evaluating at least one of the state variable of the air in the passenger compartment and the state variable of the air passing through at least one of the first flow passage and the second flow passage; andcontrolling at least one of a rotational speed of a compressor of the closed refrigerant circuit and a position of the stratification door in response to the step of evaluating at least one of the state variable of the air in the passenger compartment and the state variable of the air passing through at least one of the first flow passage and the second flow passage. 12. The method according to claim 1, wherein each of the first partial air mass flow and the second partial air mass flow are partially mixed, whereby the second partial air mass flow is mixed with a portion of the partial air mass to form a total flow of air with stratified composition by means of the air guide member. 13. A method for operating an HVAC system for conditioning air for a passenger compartment of a vehicle inside an air channel having a main flow passage and a bypass with a stratification door, comprising the steps: adjusting a heating temperature of a heat exchanger disposed in the main flow passage of the air channel;directing a first partial air mass flow through the main flow passage of the air channel;directing a second partial air mass flow through the bypass of the air channel by means of a position of the stratification door, the second flow passage bypassing the heat exchanger; anddirecting the first partial air mass flow and the second partial air mass flow by means of a plurality of air guide members, the air guide members disposed downstream of the main flow passage and the bypass, wherein the heating temperature of the heat exchanger required to at least one of achieve and maintain a desired climate in the passenger compartment of the vehicle is set as a maximum heating temperature for the heat exchanger, and wherein only an amount of energy required to at least one of achieve and maintain a desired climate in the passenger compartment of the vehicle is added to the HVAC system, wherein the first partial air mass flow is directed through the heat exchanger and is heated in the heat exchanger, and wherein the heat exchanger is a media-passed heating heat exchanger of a closed coolant circuit, and wherein the closed coolant circuit includes an auxiliary heater and a radiator with a bypass and a control valve, and wherein a temperature of a heating medium that passes the heating heat exchanger is controlled inside the closed coolant circuit by at least one of a heat delivered to the heating medium in the auxiliary heater and a heat dissipated from the heating medium in the radiator. 14. The method according to claim 13, wherein the heat exchanger includes a control valve and a bypass past the heat exchanger, and wherein a heat dissipated from the heating medium to the first partial air flow is controlled by dividing a mass flow of the heating medium through the bypass and through the heating heat exchanger by means of the control valve. 15. A method for operating an HVAC system for conditioning air for a passenger compartment of a vehicle inside an air channel having a main flow passage and a bypass with a stratification door, comprising the steps: adjusting a heating temperature of a heat exchanger disposed in the main flow passage of the air channel;directing a first partial air mass flow through the main flow passage of the air channel, wherein the first partial air mass flow is directed through the heat exchanger and is heated in the heat exchanger, and wherein the heat exchanger is a media-passed heating heat exchanger of a closed coolant circuit;directing a second partial air mass flow through the bypass of the air channel by means of a position of the stratification door, the second flow passage bypassing the heat exchanger;directing the first partial air mass flow and the second partial air mass flow by means of a plurality of air guide members, the air guide members disposed downstream of the main flow passage and the bypass, wherein the heating temperature of the heat exchanger required to at least one of achieve and maintain a desired climate in the passenger compartment of the vehicle is set as a maximum heating temperature for the heat exchanger;determining a state variable of an air in the passenger compartment of the vehicle; anddetermining a state variable of an air passing through the air channel; andcontrolling a position of the stratification door in response to an evaluation of at least one of the state variable of the air in the passenger compartment and the state variable of the air passing through the air channel, wherein the first partial air mass flow is directed through the heat exchanger and is heated in the heat exchanger, and wherein the heat exchanger is a media-passed heating heat exchanger of a closed coolant circuit, and wherein the closed coolant circuit includes an auxiliary heater and a radiator with a bypass and a control valve and wherein a temperature of a heating medium that passes the heating heat exchanger is controlled inside the closed coolant circuit by at least one of a heat delivered to the heating medium in the auxiliary heater and a heat dissipated from the heating medium in the radiator.
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이 특허에 인용된 특허 (11)
Tomita Itizo (Konan JPX), Air conditioner system for automobiles.
Lake Barry J. ; Ziehr Lawrence ; Tagliapietra Lance C., Controller for heating in reversible air conditioning and heat pump HVAC system for electric vehicles.
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