System and method for minimizing consumer impact during demand responses
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G05D-003/12
G05D-005/00
G05D-009/00
G05D-011/00
G05D-017/00
H02J-003/14
F24C-007/08
출원번호
US-0948135
(2010-11-17)
등록번호
US-8843242
(2014-09-23)
발명자
/ 주소
Burt, Ashley Wayne
출원인 / 주소
General Electric Company
대리인 / 주소
Global Patent Operation
인용정보
피인용 횟수 :
1인용 특허 :
119
초록▼
An electromechanically controlled cooking appliance is provided. The cooking appliance includes one or more power consuming elements including at least one of a surface heating unit for surface cooking and an oven heating unit for heating a cooking cavity, at least one of an infinite switch and a th
An electromechanically controlled cooking appliance is provided. The cooking appliance includes one or more power consuming elements including at least one of a surface heating unit for surface cooking and an oven heating unit for heating a cooking cavity, at least one of an infinite switch and a thermostat, a control configured to receive and process a signal indicative of the current state of an associated utility including a peak demand state and an off-peak demand state and operate the cooking appliance in one of a plurality of operating modes, at least one of the power consuming elements operating at a lower power level when in the energy saving mode than in the normal operating mode, and a first element status sensor adapted to provide feedback to the control indicative of whether at least one of the one or more power consuming elements is in use, wherein at the conclusion of an energy savings mode, the controller is configured to use said feedback to determine when to restore the at least one or more power consuming elements to its normal mode power level.
대표청구항▼
1. An electromechanically controlled cooking appliance comprising: one or more power consuming element including at least one of a surface heating unit for surface cooking and an oven heating unit for heating a cooking cavity;at least one of an infinite switch and a thermostat for controlling the en
1. An electromechanically controlled cooking appliance comprising: one or more power consuming element including at least one of a surface heating unit for surface cooking and an oven heating unit for heating a cooking cavity;at least one of an infinite switch and a thermostat for controlling the energization of a surface heating unit and an oven beating element respectively;a control configured to receive and process a signal indicative of the current state of an associated utility including a peak demand state and an off-peak demand state and operate the cooking appliance in one of a plurality of operating modes, including at least a normal operating mode and an energy savings mode, in response to the received signal; at least one of said power consuming elements operating at a lower power level when in the energy saving mode than in the normal operating mode; anda first element status sensor adapted to provide feedback to said control indicative of whether a given one of said one or more power consuming elements is in use, wherein at the conclusion of an energy savings mode, said control is configured to use said feedback to determine when to restore said given of said one or more power consuming elements to its normal mode power level;wherein upon receiving feedback indicating that said given one of said one or more power consuming elements is in use at the conclusion of a peak demand state period, said control is configured to maintain the enemy savings mode power level for at least said given one of said one or more power consuming elements until feedback indicates that said given one of said one or more power consuming elements is no longer in use. 2. The cooking appliance of claim 1, wherein upon receiving feedback indicating that said one or more power consuming elements is not in use, said control is configured to return the cooking appliance to normal operating mode. 3. The cooking appliance according to claim 1, wherein said first element status sensor is configured to determine whether or not said given one of said one or more power consuming elements is in use by monitoring the state of an ON/OFF switch of at least one of the infinite switch and thermostat. 4. The cooking appliance of claim 1, further including a second element status sensor configured to provide feedback to said control prior to entering energy savings mode if said given one of said one or more power consuming elements is already in use at a lower power setting, wherein said given one of said one or more power consuming elements is a surface heating unit. 5. The cooking appliance of claim 4, wherein said control determines whether to enter energy saving mode based on the feedback from said second element status sensor. 6. The cooking appliance of claim 4, wherein said feedback from at least one of said first and second element status sensor comprises at least one of a hot light indicator, a switch, a bimetal heat detector, and a voltage or current detector. 7. The cooking appliance of claim 4, wherein said second element status sensor is configured to determine a power setting of a surface heating, unit by detecting the angular rotational position of at least one of a selector shaft and control knob of said infinite switch. 8. The cooking, appliance of claim 4, wherein said second element status sensor is configured to determine if a power setting of a surface heating unit is less than a predetermined threshold setting. 9. The cooking appliance of claim 8, wherein the threshold setting is the setting above that which is desirable to implement the energy savings mode, and below that which energy savings mode is not to be implemented. 10. A method for reducing the peak power usage of an electromechanically controlled cooking appliance including, one or more heating elements, including at least one of a surface beating unit for surface cooking and an oven heating unit for heating a cooking cavity, at least one of an infinite switch and a thermostat for controlling the energization of a surface heating unit and an oven heating element respectively, a control configured to receive and process a signal indicative of the current state of an associated utility, the utility state being indicative of one of a peak demand period and an off-peak demand period, and a first element status sensor, the method comprising the steps of: receiving and processing by said control a signal indicative of a peak demand period;receiving and processing by said control feedback from said first element status sensor indicating whether said one or more heating elements are currently in use;selectively entering energy savings mode for said one or more heating elements;receiving and processing a signal by said control indicating the conclusion of a peak demand period;receiving feedback from said first element status sensor indicating whether a given one of said one or more heating elements remains in use; andmaintaining energy savings mode for said given said one or more heating elements if said feedback indicates that said given one of said one or more heating elements are in use at the conclusion of a peak demand period. 11. The method according to claim 10, further including returning said appliance to normal mode upon receiving feedback from said first element status sensor indicating that none of said one or more heating elements are in use. 12. The method according, to claim 10, wherein feedback from said first element sensor is achieved by monitoring the state of an ON/OFF switch of said at least one of said infinite switch and thermostat. 13. The method according to claim 10, further including providing a second element status sensor configured to provide feedback to said control prior to entering energy savings mode indicating whether said given one of said one or more heating elements is already in use at a lowered power level. 14. The method according to claim 13, wherein the lowered power level includes one of simmer, melt, and low heat. 15. The method according to claim 13, wherein the feedback from the second element status sensor to said control is achieved by detecting an angular rotational position of a selector shaft and a control knob mounted on said at least one infinite switch. 16. The method according to claim 13, wherein the feedback from the second status sensor to said control is achieved by determining if power level is less than a predetermined threshold setting. 17. A system for reducing the peak power consumption of an electromechanically controlled cooking appliance comprising at least one power consuming element, said system comprising: at least one of an infinite switch and a thermostat configured to control the delivery of power to at least one power consuming element;a control configured to receive and process a signal indicative of the current state of an associated utility, said state being indicative of one of a peak demand period and an off-peak demand period, the control adapted to operate the cooking appliance in one of a normal operating mode and an enemy saving mode, in response to the received signal;a first element status sensor configured to provide feedback to said control indicative of whether a given one of said one or more power consuming elements is in use;a second element status sensor configured to provide feedback to said control indicative of whether to predetermined threshold setting has been achieved, wherein upon receiving, a signal indicative of a peak demand period, said control is configured to determine whether to operate in energy savings mode based on said feedback from said second element status sensor, and whether to return to normal operating mode based on feedback from said first element status sensorwherein upon receiving feedback indicating that said given one of said one or more power consuming elements is in use at the conclusion of a peak demand state period, said control is configured to maintain the energy savings mode power level for at least said given one of said one or more power consuming elements until feedback indicates that said given one of said one or more power consuming elements is no longer in use. 18. The system according to claim 17, wherein the feedback from said second element status sensor is indicative of whether said given one of said one or more power consuming elements is already in use in a reduced power consumption mode. 19. The system according to claim 17, wherein the feedback from said first element status sensor is indicative of the ON/OFF state of said one or more power consuming elements. 20. The cooking appliance of claim 1, wherein the feedback from said first element status sensor is further indicative of an amount of power being consumed by said given one of said one or more power consuming elements.
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