Load control system that operates in an energy-savings mode when an electric vehicle charger is charging a vehicle
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B60L-001/00
H04L-012/10
G05B-015/02
H04L-012/28
H05B-037/02
E06B-009/68
H04L-012/14
E06B-009/24
F24F-005/00
F24F-011/00
출원번호
US-0195914
(2011-08-02)
등록번호
US-8946924
(2015-02-03)
발명자
/ 주소
Pessina, Michael W.
출원인 / 주소
Lutron Electronics Co., Inc.
대리인 / 주소
Ostrolenk Faber LLP
인용정보
피인용 횟수 :
5인용 특허 :
73
초록▼
A load control system for a building having a lighting load, a window, a heating and cooling system, and an electric vehicle charger for charging a vehicle (e.g., an electric or hybrid vehicle) operates in an energy-savings mode to reduce the total power consumption of the load control system when t
A load control system for a building having a lighting load, a window, a heating and cooling system, and an electric vehicle charger for charging a vehicle (e.g., an electric or hybrid vehicle) operates in an energy-savings mode to reduce the total power consumption of the load control system when the vehicle charger is presently charging the vehicle. The load control system may comprise a lighting control device for controlling the intensity of the lighting load, a daylight control device for adjusting the amount of natural light admitted through the window, and a temperature control device for controlling a setpoint temperature of the heating and cooling system to thus control a present temperature in the building. When the vehicle charger is presently charging the vehicle, the load control system automatically controls the lighting control device, the daylight control device, and the temperature control device to decrease the total power consumption of the load control system.
대표청구항▼
1. A load control system for a building having a lighting load located in a space of the building, a heating and cooling system, and a window located in the space of the building, the load control system comprising: an electric vehicle charger for charging a vehicle;a lighting control device for con
1. A load control system for a building having a lighting load located in a space of the building, a heating and cooling system, and a window located in the space of the building, the load control system comprising: an electric vehicle charger for charging a vehicle;a lighting control device for controlling the amount of power delivered to the lighting load, the lighting control device operable to automatically decrease the amount of power delivered to the lighting load when the electric vehicle charger is presently charging the vehicle;a daylight control device for controlling the amount of natural light to be admitted through the window, the daylight control device operable to automatically adjust the amount of natural light admitted through the window when the electric vehicle charger is presently charging the vehicle so as to decrease the power consumption of the heating and cooling system; anda temperature control device for controlling a setpoint temperature of the heating and cooling system to thus control a present temperature in the building, the temperature control device operable to automatically adjust the setpoint temperature of the heating and cooling system when the electric vehicle charger is presently charging the vehicle so as to decrease the power consumption of the heating and cooling system. 2. The load control system of claim 1, further comprising: a controller operable to receive a digital message from the electric vehicle charger indicating when the electric vehicle charger is presently charging the vehicle, the controller operable to automatically transmit digital messages to the lighting control device, the daylight control device, and the temperature control device to decrease the power consumption of the load control system when the electric vehicle charger is presently charging the vehicle. 3. The load control system of claim 2, wherein the controller is operable to select one of a plurality of energy-savings presets in response to receiving the digital message from the electric vehicle charger indicating when the electric vehicle charger is presently charging the vehicle. 4. The load control system of claim 3, wherein the controller is operable to transmit the one of a plurality of energy-savings to the lighting control device, the daylight control device, and the temperature control device when the electric vehicle charger is presently charging the vehicle. 5. The load control system of claim 2, wherein the controller is operable to receive a digital message including a representation of the total power consumption of the load control system and to compare the total power consumption to a load shedding threshold, the controller operable to automatically transmit digital messages to the lighting control device, the daylight control device, and the temperature control device to decrease the power consumption of the load control system if the total power consumption of the load control system exceeds the load shedding threshold. 6. The load control system of claim 2, wherein the electric vehicle charger is operable to wirelessly transmit the digital message to the controller. 7. The load control system of claim 2, wherein the controller is electrically connected to the electric vehicle charger via a wired communication link. 8. The load control system of claim 1, wherein the temperature control device, when the electric vehicle charger is presently charging the vehicle, automatically increases the setpoint temperature of the heating and cooling system when the heating and cooling system is presently cooling the building so as to decrease the power consumption of the heating and cooling system, and decreases the setpoint temperature of the heating and cooling system when the heating and cooling system is presently heating the building so as to decrease the power consumption of the heating and cooling system. 9. The load control system of claim 1, wherein the daylight control device comprises a motorized window treatment having a window treatment fabric for covering the window, the motorized window treatment operable to move the fabric between a fully-open position in which the window is not covered and a fully-closed position in which the window is covered, the motorized window treatment operable to adjust the position of the fabric when the electric vehicle charger is presently charging the vehicle, so as to decrease the power consumption of the heating and cooling system. 10. The load control system of claim 1, further comprising: a controllable switching device for turning an electrical load on and off, the controllable switching device operable to turn off the electrical load when the electric vehicle charger is presently charging the vehicle so as to decrease the power consumption of the load control system. 11. The load control system of claim 1, further comprising: a visual display operable to display a visual indication when the electric vehicle charger is presently charging the vehicle. 12. A load control system for a building having a lighting load and an electric vehicle charger for charging a vehicle, the load control system comprising: a controller operable to determine when the electric vehicle charger is presently charging the vehicle; anda lighting control device for controlling the amount of power delivered to the lighting load, the lighting control device operable to automatically decrease the amount of power delivered to the lighting load when the electric vehicle charger is presently charging the vehicle. 13. The load control system of claim 12, wherein the controller is operable to select one of a plurality of energy-savings presets in response to receiving a digital message from the electric vehicle charger indicating when the vehicle charger is presently charging the electric vehicle. 14. The load control system of claim 13, wherein the controller is operable to transmit the one of a plurality of energy-savings presets to the lighting control device when the electric vehicle charger is presently charging the vehicle. 15. The load control system of claim 12, further comprising: a daylight control device for controlling the amount of natural light to be admitted through a window of the building, the daylight control device operable to adjust the amount of natural light admitted through the window when the electric vehicle charger is presently charging the vehicle so as to decrease the power consumption of the heating and cooling system. 16. The load control system of claim 12, further comprising: a temperature control device for controlling a setpoint temperature of a heating and cooling system of the building to thus control a present temperature in the building, the temperature control device operable to adjust the setpoint temperature of the heating and cooling system when the electric vehicle charger is presently charging the vehicle so as to decrease the power consumption of the heating and cooling system. 17. The load control system of claim 12, further comprising: a controllable switching device for turning an electrical load on and off, the controllable switching device operable to turn off the electrical load when the electric vehicle charger is presently charging the vehicle so as to decrease the power consumption of the load control system. 18. A lighting control device for controlling the amount of power delivered from an AC power source to a lighting load, the lighting control device comprising: a controllably conductive device adapted to be coupled in series electrical connection between the AC power source and the lighting load;a controller operatively coupled to a control input of the controllably conductive device for controlling the amount of power delivered from the AC power source to the lighting load; anda communication circuit operable to receive a digital message indicating that an electric vehicle charger is presently charging a vehicle;wherein the lighting control device is operable to automatically decrease the amount of power delivered to the lighting load when the electric vehicle charger is presently charging the vehicle. 19. The lighting control system of claim 18, wherein the communication circuit comprises an RF receiver. 20. The lighting control system of claim 18, wherein the communication circuit comprises a wired communication circuit.
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