초록 ▼

A device to control an installation for heating, ventilating and/or ai-conditioning a vehicle passenger compartment responds to a set-point set by a passenger and chosen air-heating parameter values. A control module drives actuators to modify the operation of the installation. The device includes a

A device to control an installation for heating, ventilating and/or ai-conditioning a vehicle passenger compartment responds to a set-point set by a passenger and chosen air-heating parameter values. A control module drives actuators to modify the operation of the installation. The device includes a module calculating a comfort temperature for a passenger in the passenger compartment using the stored values of the chosen parameters and by taking into account the set-point. The control module alters the operation of the installation as a function of the comfort temperature which corresponds to the air-heating configuration desired in the passenger compartment.

대표청구항 ▼

1. A device for controlling an installation for heating, ventilating and/or air-conditioning a passenger compartment of a motor-vehicle, the device comprising:a first input provided for receiving a set-point value related to an air-heating configuration desired in the passenger compartment; a second

1. A device for controlling an installation for heating, ventilating and/or air-conditioning a passenger compartment of a motor-vehicle, the device comprising:a first input provided for receiving a set-point value related to an air-heating configuration desired in the passenger compartment; a second input for receiving at least one signal representative of an air-heating parameter, an output linked to at least one actuator for controlling settings of the installation; and a control module connected to the first and second inputs and the output, the control module provided for controlling the at least one actuator as a function of at least one comfort temperature that corresponds to a desired air-heating configuration in the at least one predetermined region of the passenger compartment; the control module including a calculating module for estimating at least one comfort temperature for a passenger situated in at least one predetermined region of the passenger compartment; the calculating module including means for estimating a blow-in temperature and a blow-in speed of the air which a blower of the installation blows into the passenger compartment as a function of the first and second inputs according to aerodynamic and thermal models of the passenger compartment; the calculating module further including means for evaluating an average temperature within the passenger compartment based on the blow-in temperature and the blow-in speed of the air blown into the passenger compartment and the air-heating parameter according to the thermal model; the calculating module further including means for evaluating a temperature and a speed of air in at least one predetermined region of the passenger compartment based on the blow-in temperature and the blow-in speed of the air blown into the passenger compartment and the average temperature within the passenger compartment according to the aerodynamic model; the calculating module further including means for determining the at least one comfort temperature as a function of the average temperature within the passenger compartment and the temperature and the speed of air in the at least one predetermined region of the passenger compartment. 2. The device of claim 1, wherein the air-heating parameter is at least one of a temperature outside the passenger compartment, a vehicle speed and a solar flux incident on the vehicle.3. The device of claim 1, wherein the calculating module further including means for evaluating the at least one comfort temperature as a function of a temperature of at least one structural element.4. The device of claim 3, wherein the temperature of the at least one structural element is evaluated as a function of the blow-in temperature and of the blow-in speed of the air blown into the passenger compartment and the air-heating parameter.5. The device of claim 3, wherein the second input is suitable for receiving respective signals representative of a temperature and of a speed of the air which the installation blows into the passenger compartment and wherein the calculating module is configured according to a chosen thermal model of the passenger compartment to evaluate the average interior temperature in the passenger compartment as a function of the temperature and of the speed of the blown air,wherein the second input is provided for receiving a signal representative of an outside-air temperature, and the calculating module estimates the interior temperature based on the outside-air temperature in the thermal model of the passenger compartment, and wherein the calculating module is configured to evaluate the temperatures of the structural element of the vehicle as a function of the temperature and of the speed of blown air and the outside temperature and of the solar flux. 6. The device of claim 3, wherein the second input is provided for receiving respective signals representative of a temperature and of a speed of the air which the installation blows in passenger compartment and wherein the calculating module is provided to evaluate the average interior temperature in the passenger compartment as a function of the temperature and the speed of the blown air based on a chosen model of the passenger compartment, wherein the second input is provided for receiving a signal representative of solar flux incident on the vehicle, and the calculating module uses the solar flux in the thermal model of the passenger compartment for evaluating the interior temperature, and wherein the calculating module is configured to evaluate the temperature of the at least one structural element of the vehicle as a function of the temperature and of the speed of blown air, of the outside temperature and of the solar flux.7. The device of claim 1, wherein the installation further includes at least one distribution flap for distributing the airflow in the passenger compartment, and wherein the calculating module is configured to evaluate the blow-in-air speed as a function of an outside air speed, a rotational speed of the blower and position of the at least one distribution flap.8. The device of claim 7, wherein the calculating module is configured to estimate the outside air speed as a function of the speed of the vehicle.9. The device of claim 1, wherein the calculating module is configured to evaluate the blow-in temperature as a function of the blow-in speed, a temperature of hot air delivered into the passenger compartment from a hot-air source of the installation and the temperature outside the passenger compartment.10. The device of claim 9, wherein the hot-air source comprises a radiator traversed by a heat-exchange fluid, and wherein the calculating module is further configured to evaluate the hot-air temperature as a function of a throughput of the fluid flowing through the radiator.11. The device of claim 9, wherein the installation further includes a mixing flap with adjustable position for adjusting the blown-in air temperature, the second input is further provided for receiving a signal representative of the position of the mixing flap, and wherein the calculating module is configured to evaluate the blown-in air temperature as a function of the position of the mixing flap.12. The device of claim 9, wherein the installation moreover includes a cold-air source, and wherein the calculating module is configured to evaluate the blown-in air temperature based on a temperature of air coming from the cold-air source.13. The device of claim 12, wherein the cold-air source is an air-conditioning loop traversed by a cooling fluid at variable pressure in order to adjust the cold-air temperature, and wherein the temperature of air coming from the cold-air source is representative of the pressure of the cooling fluid.14. The device of claim 1, further comprising a memory for storing the set-point value, wherein the second input is linked to the memory in order to store a value representative of the air-heating parameter and wherein the calculating module is provided for working with the memory in order to evaluate the at least one comfort temperature.15. The device of claim 14, wherein the calculating module is able to work with the memory and the second input in order to estimate a variation in the air-heating parameter, and/or in the set-point, while the control module is configured to adjust or not adjust the operation of the equipment as a function of at least one estimated variation in the air-heating parameter and/or in the set-point, with a view to maintaining a comfort temperature which corresponds to the desired air-heating configuration in the passenger compartment.16. The device of claim 14, wherein the memory is able to work with the calculating module in order to store the evaluated comfort temperature, and wherein the calculating module is configured to estimate a variation between an evaluated comfort temperature and a memory-stored comfort temperature, while the control module (COM) is configured to adjust or not adjust the operation of the equipment as a function of the estimated variation in the comfort temperature, with a view to maintaining a desired air-heating configuration in the passenger compartment.17. The device of claim 1, wherein the calculating module is able to dynamically evaluate the comfort temperature, while the control module is configured to dynamically alter the operation of the equipment, as a function of the currently evaluated comfort temperature.18. The device of claim 1, wherein, with the installation further includes an air-distribution device for distributing the blown air among a plurality of regions of the passenger compartment, the calculating module is provided to evaluate a comfort temperature in each of the regions and the control module is provided to modify operation of the distribution device as a function of the comfort temperature.19. The device of claim 1, wherein thea first input is provided for receiving the set-point value relating to the desired air-heating configuration in the passenger compartment and a plurality of set-point values relating to desired air-heating configuration in corresponding plurality of predetermined region of the passenger compartment, wherein the calculating module is provided to evaluate the comfort temperature based on the air-heating parameter and the set-point values. wherein the installation further includes an air-distribution device for distributing the air among the plurality of regions of the passenger compartment, wherein the calculating module is configured to evaluate a comfort temperature in each of the regions, wherein the control module is configured to control the distribution device as a function of the comfort temperatures, and wherein the calculating module is configured to evaluate the comfort temperature for each of the regions based on the set-point values. 20. A method for controlling an installation for heating, ventilating and/or air-conditioning a passenger compartment of a motor vehicle, the method comprising the steps of:providing a first input representative of a set-point value related to an air-heating configuration desired in the passenger compartment; providing a second input representative of an air-heating parameter; estimating a blow-air temperature and a blow-in speed of the air blown into the passenger compartment as a function of the first and second inputs according to aerodynamic and thermal models of the passenger compartment; evaluating an average temperature within the passenger compartment based on the blow-in temperature and the blow-in speed of the air blown into the passenger compartment and the air-heating parameter according to the thermal model; evaluating a temperature and a speed of air in at least one predetermined region of the passenger compartment based on the blow-in temperature and the blow-in speed of the air blown into the passenger compartment and the average temperature within the passenger compartment according to the aerodynamic model; determining at least one comfort temperature as a function of the average temperature within the passenger compartment and the temperature and the speed of air in the at least one predetermined region of the passenger compartment; and operating at least one actuator for controlling settings of the installation as a function of the at least one comfort temperature that corresponds to a desired air-heating configuration in the at least one predetermined region of the passenger compartment.