Air conditioning system suitable for use in a electric vehicle

An air conditioning system for use in an electric vehicle for pre-air conditioning an inside room of said vehicle with an external current supply source normally supplying a current for charging a drive source used for running said vehicle, comprising:

• a room temperature sensor for detecting the temperature of the room of said vehicle;
• an atmospheric temperature sensor for detecting the temperature of air outside said vehicle.,
• temperature computing means for computing a room temperature and an atmospheric temperature at a preset riding time from said detected room temperature and said detected outside air temperature respectively;
• and
• operation starting time computing means for computing a time prior to the riding time, for starting the operation of an air conditioner means for changing said computed room temperature at the riding time to a predetermined target room temperature.

An air conditioning system for use in an electric vehicle, comprising:

• a sensor associated with at least one vehicle window for outputting a signal representative of whether said window is in a clear state;
• a timer for counting time;
• glass temperature-increasing means for heating said window;
• riding expected time setting means for setting the expected time at which a driver expects to ride in said vehicle;
• operation starting time computing means for computing the operation starting time prior to said riding expected time from said set riding expected time and a preset time period and
• controlling means for reading the output of said sensor when the counted time of said timer reaches said computed operation starting time and for energizing said glass temperature-increasing means when said output represents that said window is in an unclear state.

An air conditioning system for an electric vehicle comprising:

• an electric vehicle;
• a battery for powering said electric vehicle;
• an external electric supply source for charging said battery;
• cooling and heating means for cooling and heating a driver and passenger cabin in said vehicle, said cooling and heating means being operable, at least in part, by said external electric supply source for charging said battery;
• controlling means for activating and inactivating said cooling and heating means, said controlling means comprising:
• operation starting time computing means for computing an operation starting time prior to a preset running time of said vehicle, and
• means for causing operation of said cooling and heating means at said operation starting time prior to said preset running time of the vehicle using said external electric supply source for producing a desired condition of the cabin at said preset running time of said vehicle.

An air conditioning system for an electric vehicle having a battery for powering the vehicle, comprising:

• means for cooling and heating a river and passenger cabin in said vehicle, said cooling and heating means being operable, at least in part, by an external electric supply source for charging the battery,
• controlling means for causing operation of said cooling and heating means prior to expected running of the vehicle by using said external electric supply source for producing a desired condition of the vehicle room for said expected running of said vehicle,
• said controlling means including means for sensing an adverse condition of an unclear vehicle window in the vehicle cabin and causing a mode of operation of said cooling and heating means for correcting said adverse condition, and
• said cooling and heating means including electric glass heating means for directly heating and unclear vehicle window.

An air conditioning system for an electric vehicle having a battery for powering the vehicle, comprising:

• means for cooling and heating a driver and passenger cabin in said vehicle, said cooling and heating means being operable, at least in part, by an external electric supply source for charging the battery,
• controlling means for causing operation of said cooling and heating means prior to expected running of the vehicle by using said external electric supply source for producing a desired condition of the vehicle room for said expected running of said vehicle;
• said controlling means including means for sensing an adverse condition of an unclear vehicle window in the vehicle cabin and causing a mode of operation of said cooling and heating means for correcting said adverse condition, and
• said cooling and heating means including warm air blowing means for blowing warm air on said unclear vehicle window.

An air conditioning system for an electric vehicle having a battery for powering the vehicle, comprising:

• means for cooling and heating a driver and passenger cabin in said vehicle, said cooling and heating means being operable, at least in part, by an external electric supply source for charging the battery,
• controlling means for causing operation of said cooling and heating means prior to expected running of the vehicle by using said external electric supply source for producing a desired condition of the vehicle room for said expected running of said vehicle, and
• wherein said controlling means includes:
• a cabin temperature sensor for detecting the temperature of the cabin of said vehicle;
• an atmospheric temperature sensor for detecting the temperature of air outside said vehicle;
• temperature computing means for computing a cabin temperature and an atmospheric temperature at said expected running time from said detected cabin temperature and said detected outside air temperature respectively;
• and
• operation starting time computing means for computing a time prior to the expected running time for starting the operation of said cooling and heating means for changing said computing cabin temperature at the expected running time to a predetermined target cabin temperature.

An air conditioning system for an electric vehicle having a battery for powering the vehicle, comprising:

• means for cooling and heating a driver and passenger cabin in said vehicle, said cooling and heating means being operable, at least in part, by an external electric supply source for charging the battery,
• controlling means for causing operation of said cooling and heating means prior to expected running of the vehicle by using said external electric supply source for producing a desired condition of the vehicle room for said expected running of said vehicle, and
• wherein said controlling means includes:
• a sensor associated with at least one vehicle window for outputting a signal for making a decision as to whether said window is in a clear state;
• a time for counting time;
• glass temperature-increasing means for heating said window;
• expected running time setting means for setting the expected time at which a driver will be running said vehicle;
• operation starting time computing means for computing the operation starting time prior to said expected running time from said set expected running time and a preset time period;
• and
• said controlling means reading the output of said sensor when the counted time of said timer reaches said computed operation starting time and for energizing said glass temperature-increasing means when said output represents that said at least one window is in an unclear state.