Air conditioner for a vehicle having infrared ray sensor

An air conditioner for a vehicle having a heat exchanger in an air duct for performing heat exchange with air and temperature regulator means for adjusting airflow temperature of air from the air duct entering a vehicle compartment, the air conditioner controlling the temperature regulator means so that a temperature of blowout air from the air duct is regulated to a target blowout air temperature, the air conditioner comprising:

• temperature setting means for setting a temperature of inside air desired by a vehicle occupant;
• an inside air temperature sensor for detecting a temperature of inside air;
• a first surface temperature sensor for detecting a temperature of an internal surface region of the vehicle compartment which varies with a temperature of an external surface of the vehicle;
• and
• a second surface temperature sensor for detecting a temperature of a surface of the vehicle occupant;
• wherein the target blowout air temperature is calculated using input signals including a set temperature signal of the temperature setting means, an inside air temperature signal of by the inside air temperature sensor, a first surface temperature signal of the first surface temperature sensor, and a second surface temperature signal of the second surface temperature sensor.

An air conditioner for a vehicle having a heat exchanger in an air duct for performing heat exchange with air and temperature regulator means for adjusting airflow temperature of air from the air duct entering a vehicle compartment, the air conditioner arranged to control the temperature regulator means so that a temperature of blowout air from the air duct is regulated to a target blowout air temperature, the air conditioner comprising:

• temperature setting means for setting a temperature of inside air desired by a vehicle occupant;
• an inside air temperature sensor for detecting a temperature of inside air;
• a first surface temperature sensor for detecting a temperature of an internal surface region of the vehicle compartment which varies with a temperature of an external surface of the vehicle;
• a second surface temperature sensor for detecting a surface temperature of clothing of the vehicle occupant;
• and
• a third surface temperature sensor for detecting a surface temperature of skin of the vehicle occupant;
• wherein the target blowout air temperature is calculated using input signals including a set temperature signal determined by the temperature setting means, an inside air temperature signal of the inside air temperature sensor, a first surface temperature signal of the first surface temperature sensor, a second surface temperature signal of the second surface temperature sensor, and a third surface temperature signal of the third surface temperature sensor.

An air conditioner for a vehicle having a heat exchanger in an air duct for performing heat exchange with air and temperature regulator means for adjusting airflow temperature of air from the air duct entering a vehicle compartment, the air conditioner arranged to control the temperature regulator means so that a temperature of blowout air from the air duct is regulated to a target blowout air temperature, the air conditioner comprising:

• temperature setting means for setting an inside air temperature desired by a vehicle occupant;
• sensed temperature information detecting means for detecting a physical value related to the sensed temperature of the vehicle occupant;
• and
• a surface temperature sensor for detecting a temperature of a predetermined internal surface region of the vehicle compartment;
• wherein the surface temperature sensor detects a surface temperature of an outside-air-temperature-related internal region which varies with an outside temperature and a surface temperature of a solar-radiation-related internal region which varies with an intensity of solar radiation;
• and
• wherein the target blowout air temperature is calculated using input signals including a set temperature signal determined by the temperature setting means, a sensed temperature information signal detected by the sensed temperature information detecting means, and a surface temperature signal of the surface temperature sensor.

An air conditioner for a vehicle having a heat exchanger in an air duct for performing heat exchange with air and temperature regulator means for adjusting airflow temperature of air from the air duct entering a vehicle compartment, the air conditioner arranged to control the temperature regulator means so that a temperature of blowout air from the air duct is regulated to a target blowout air temperature, the air conditioner comprising:

• temperature setting means for setting an inside air temperature desired by a vehicle occupant;
• a glass surface temperature sensor for detecting a temperature of an internal surface of a window glass;
• a ceiling surface temperature sensor for detecting a temperature of an internal wall surface of a vehicle ceiling;
• and
• a clothing part surface temperature sensor for detecting a temperature of a clothing part of a vehicle occupant,
• wherein the target blowout air temperature is calculated based on a set temperature signal of the temperature setting means, a glass surface temperature signal of the glass surface temperature sensor, a ceiling surface temperature signal of the ceiling surface temperature sensor and a clothing part surface temperature signal of the clothing part surface temperature sensor.