Systems and methods for temperature control in refrigeration systems and heating systems
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F25B-049/00
G05D-023/00
출원번호
US-0244951
(2002-09-16)
발명자
/ 주소
King, Eddie W.
Mazereeuw, George
출원인 / 주소
The Coca-Cola Company
대리인 / 주소
Sutherland Asbill & Brennan LLP
인용정보
피인용 횟수 :
15인용 특허 :
5
초록▼
The present invention provides systems and methods for temperature control in refrigeration systems, such as beverage coolers, and heating systems, such as coffee dispensers. In an embodiment of the present invention, a control unit of a refrigeration system in accordance with the present invention
The present invention provides systems and methods for temperature control in refrigeration systems, such as beverage coolers, and heating systems, such as coffee dispensers. In an embodiment of the present invention, a control unit of a refrigeration system in accordance with the present invention receives and records activity data such as door openings and/or human presence detection in the vicinity of the refrigeration system, and then establishes the beginning and end times of an energy saving mode for the refrigeration system over a period of time, such as a week. The control unit calculates the time to restart the compressor cycle at the end of the energy saving mode so that the product will be at the correct temperature at the time of first usage. As part of the energy saving function, the lamps and fans in the refrigeration system are controlled independently by the control unit according to the activity data.
대표청구항▼
1. A system for controlling an appliance, wherein the appliance comprises a temperature control device, the system comprising: a use sensor that generates a signal based on use of the appliance; and a control unit that is in communication with the use sensor and that generates a control signal
1. A system for controlling an appliance, wherein the appliance comprises a temperature control device, the system comprising: a use sensor that generates a signal based on use of the appliance; and a control unit that is in communication with the use sensor and that generates a control signal to be provided to the temperature control device, wherein the control signal is based at least partially on historical signals received from the user sensor; wherein the control unit stores a plurality of signals received from the use sensor, and determines a usage pattern for the appliance based on the stored signals. 2. The system of claim 1, wherein the use sensor comprises an activity sensor for determining human activity in the proximity of the appliance.3. The system of claim 1, wherein the use sensor comprises a human presence detector.4. The system of claim 3, wherein the human presence detector comprises at least one of a motion detector, an infrared sensor and a vibration detector.5. The system of claim 1, wherein the appliance includes a storage compartment accessible by a door, and wherein the use sensor comprises a door sensor.6. The system of claim 1, wherein the control unit determines a schedule for implementing an energy saving mode of operation for the appliance based on the usage pattern.7. The system of claim 1, wherein the appliance includes operating lights, and wherein the control unit controls the operation of the lights according to the historical signals.8. The system of claim 1, wherein the appliance is a beverage cooler.9. The system of claim 1, wherein the appliance is a hot beverage dispenser.10. A system for controlling a refrigeration system, wherein the refrigeration system comprises a storage compartment accessible by a door and a cooling device, the system comprising: a human presence detector that generates first signals based on the presence of a human in a proximity of the detector; a door sensor that generates second signals based on openings of the door; and a control unit that is in communication with the human detector and door sensor and that generates a control signal to be provided to the cooling device, wherein the control signal is based at least partially on a historical first and second signals received from the human detector and door sensor. 11. The system of claim 10, wherein the control unit comprises a microprocessor and associated memory.12. The system of claim 10, wherein the control unit stores a plurality of signals received from the human presence detector and door sensor, and determines a usage pattern for the refrigeration system based on the stored signals.13. The system of claim 12, wherein the control unit determines a schedule for implementing an energy saving mode of operation for the refrigeration system based on the usage pattern.14. The system of claim 13, wherein the schedule provides for activation of the energy saving mode at two or more different times on separate days within a period of seven consecutive days.15. The system of claim 13, wherein the control unit verifies the schedule over a period of time.16. The system of claim 13, wherein the control signal is based on the usage pattern.17. The system of claim 16, wherein the usage pattern is updated when a first predetermined number of first signal or a second predetermined number of second signals is received by the control unit within a predetermined period of time.18. The system of claim 10, wherein the refrigeration system includes operating lights, and wherein the control unit controls the operation of the lights according to the historical signals.19. The system of claim 17, wherein the controller controls the operation of the light based at least partially on the signals received from the human detector and door sensor.20. The system of claim 10, wherein the human presence detector comprises at least one of a motion detector, an infrared sensor and a vibration detector.21. A method for co ntrolling a refrigeration system, wherein the refrigeration system comprises a cooling device, the method comprising: receiving human detector status signals from a human detector based on the presence of a human in a proximity of the human detector; receiving door open signals from a door sensor based on the opening of a door of the refrigeration system; and controlling the cooling device based on a control signal, wherein the control signal is based at least partially on historical human detector status and door open signals received from the human detector and door sensor. 22. The method of claim 21, further comprises storing a plurality of signals received from the human presence detector and door sensor, and determining a usage pattern for the refrigeration system based on the stored signals.23. The method of claim 22, further comprising determining a schedule for implementing an energy saving mode of operation for the refrigeration system based on the usage pattern.24. The method of claim 23, wherein the schedule provides for activation of the energy saving mode at two or more different times on separate days within a period of seven consecutive days.
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