SYSTEM AND METHOD FOR VEHICLE TEMPERATURE CONTROL

• US 20100206957A1
• Filed: 02/16/2009
• Published: 08/19/2010
• Est. Priority Date: 02/16/2009
• Status: Active Grant

• Current Assignee: General Electric Company
• Original Assignee: General Electric Company
• Inventors: Hernandez, Yaru Mendez, Lynass, Mark R., Stromberger, Joerg, Engelmann, Manon, Baller, Marko Klaus, Mayer, Oliver, Waszak, Michal-Wolfgang, Roesner, Robert, Fiseni, Alexander Felix, Vyas, Parag, Hemmelmann, Jan, Schroeder, Stefan
• Granted Patent: US 8,118,237 B2
• Time in Patent Office: Days
• US Class Current: 236/46.R
• CPC Class Codes: B60H 1/00428 electric
• CPC Class Codes: B60H 1/00642 Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices B60H1/3201 - B60H1/3208, B60H1/3225 take precedence
• CPC Class Codes: B60H 1/00657 Remote control devices
• CPC Class Codes: Y02T 10/88 Optimized components or subsystems, e.g. lighting, actively controlled glasses

Abstract

A vehicle includes a power connector configured to mate with an electrical power grid receptacle and receive a grid power therefrom and a heating and cooling system electrically connected to the power connector to receive grid power therefrom and configured to modify a temperature the vehicle cabin. The vehicle also includes a temperature control loop configured to selectively activate and control the heating and cooling system and a controller configured to receive a first input signal comprising a desired vehicle activation time and a second input signal comprising a starting vehicle cabin temperature and a desired vehicle cabin temperature. The controller determines a temperature control loop activation time based on the first and second input signals that is prior to the desired vehicle activation time and transmits an activation signal to the temperature control loop at the temperature control loop activation time to activate the heating and cooling system.

Claims

1. A vehicle comprising:

a power connector configured to mate with an electrical power grid receptacle and receive a grid power therefrom;

a heating and cooling system electrically connected to the power connector to receive grid power therefrom and configured to modify a temperature in a cabin of the vehicle;

a temperature control loop configured to selectively activate and control the heating and cooling system; and

a controller configured to;

receive a first input signal comprising a desired vehicle activation time;

receive a second input signal comprising a starting vehicle cabin temperature and a desired vehicle cabin temperature;

determine a temperature control loop activation time based on the first and second input signals, the temperature control loop activation time being a time prior to the desired vehicle activation time; and

transmit an activation signal to the temperature control loop at the temperature control loop activation time to activate the heating and cooling system.

2. The vehicle of claim 1 further comprising a first temperature sensor positioned in the vehicle cabin and configured to:

measure the starting vehicle cabin temperature; and

transmit the starting vehicle cabin temperature to the controller via the second input signal.

3. The vehicle of claim 2 further comprising a second temperature sensor configured to:

measure an ambient temperature outside the vehicle cabin; and

transmit the ambient temperature to the controller via a third input signal.

4. The vehicle of claim 3 wherein the controller is further configured to determine the temperature control loop activation time based on the first, second, and third input signals.

5. The vehicle of claim 1 wherein the temperature control loop is configured to deactivate the heating and cooling system when the starting vehicle cabin temperature reaches the desired vehicle cabin temperature.

6. The vehicle of claim 1 wherein the controller is further configured to:

determine if the vehicle is activated at the desired vehicle activation time or within a pre-determined time thereafter; and

if the vehicle is not activated at the desired vehicle activation time or within the pre-determined time thereafter, then transmit a deactivation signal to the temperature control loop to deactivate the heating and cooling system.

7. The vehicle of claim 1 wherein the controller is further configured to:

determine a pattern of past vehicle usage; and

generate the first input signal based on the pattern of past vehicle usage.

8. The vehicle of claim 1 further comprising a programmable timer configured to generate the first input signal.

9. The vehicle of claim 1 wherein the first input signal comprises one of a wireless signal, an internet-based protocol, and a controller-area network (CAN) bus based protocol transmitted from a remote device.

10. The vehicle of claim 1 wherein the heating and cooling system, the temperature control loop, and the controller are powered by the grid power.

11. The vehicle of claim 1 further comprising an on-board energy storage system electrically connected to the power connector to receive grid power therefrom, wherein the heating and cooling system, the temperature control loop, and the controller are powered by the on-board energy storage system.

12. The vehicle of claim 1 wherein the temperature control loop is configured to:

set the desired vehicle cabin temperature; and

transmit the desired vehicle cabin temperature to the controller via the second input signal.

13. A method for controlled temperature modification comprising:

inputting a planned use for a vehicle into a temperature control system, the planned use comprising a future time at which the vehicle is started;

measuring a vehicle cabin temperature;

comparing the measured vehicle cabin temperature to a desired vehicle cabin temperature;

determining an activation time for the temperature control system based on the planned vehicle use, the measured vehicle cabin temperature, and the desired vehicle cabin temperature; and

activating the temperature control system at the determined activation time to modify the vehicle cabin temperature.

14. The method of claim 13 wherein activating the temperature control system comprises activating a heating and cooling element in the temperature control system to modify the vehicle cabin temperature.

15. The method of claim 13 further comprising:

measuring an ambient air temperature outside the vehicle cabin; and

determining an activation time for the temperature control system based on the planned vehicle use, the measured vehicle cabin temperature, the desired vehicle cabin temperature, and the ambient air temperature.

16. The method of claim 13 further comprising:

determining if the vehicle is started according to the planned use; and

deactivating the temperature control system if the vehicle is not started according to the planned use.

17. The method of claim 13 wherein inputting the planned use for the vehicle comprises one of remotely or wirelessly transmitting a planned use to the temperature control system and determining the planned use in temperature control system based on a past vehicle use pattern.

18. The method of claim 13 further comprising modifying the determined activation time based on a planned duration of vehicle use.

19. A temperature control system comprising:

a heating and cooling system configured to modify an air temperature in a vehicle cabin;

an internal temperature sensor positioned to measure a starting cabin air temperature in the vehicle cabin;

a temperature control loop configured to selectively activate the heating and cooling system and comprising a user input for setting a desired cabin air temperature; and

a controller programmed to;

receive a command signal indicative of a desired vehicle activation time;

receive the starting cabin air temperature and the desired cabin temperature;

determine a temperature modification period based on the desired vehicle activation time, the starting cabin air temperature cabin, and the desired cabin air temperature; and

transmit an activation signal to the temperature control loop at a beginning of the temperature modification period to activate the heating and cooling system.

20. The temperature control system of claim 19 wherein the temperature modification period comprises a time needed for the heating and cooling system to modify the starting cabin air temperature to the desired cabin air temperature.

21. The temperature control system of claim 20 wherein the controller is further programmed to:

determine if the vehicle is activated at the desired vehicle activation time or within a pre-determined time thereafter; and

if the vehicle is not activated at the desired vehicle activation time or within the pre-determined time thereafter, then transmit a deactivation signal to the temperature control loop to deactivate the heating and cooling system.

22. The temperature control system of claim 21 further comprising an external temperature sensor configured to measure an ambient air temperature outside the vehicle cabin.

23. The temperature control system of claim 22 wherein the controller is further programmed to determine the temperature modification period based on the desired vehicle activation time, the starting cabin air temperature cabin, the desired cabin air temperature, and the ambient air temperature outside the vehicle cabin.