[특허]Method for controlling a refrigerator, a control unit and a refrigerator

Danfoss A/S

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Method for controlling a refrigerator, a control unit and a refrigerator

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F25B-049/00 F25D-029/00
출원번호	US-0232303 (2012-07-13)
등록번호	US-9857112 (2018-01-02)
우선권정보	DK-2011 00545 (2011-07-15)
국제출원번호	PCT/DK2012/000084 (2012-07-13)
§371/§102 date	20140113 (20140113)
국제공개번호	WO2013/010540 (2013-01-24)
발명자 / 주소	Langenberg, Gero C. Fogh, Hans Erik
출원인 / 주소	Danfoss A/S
대리인 / 주소	McCormick, Paulding & Huber LLP
인용정보	피인용 횟수 : 0 인용 특허 : 16

초록
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The invention relates to a method for controlling a refrigerator. The method comprises the steps of establishing a time interval of a certain duration, a first use of the refrigerator starting a first time interval, starting a subsequent time interval based on the start of the first time interval, and subtracted a time difference. The subsequent time interval subtracted a time difference is being used for starting a cool-down period of the subsequent time interval. The invention also relates to a control unit for the refrigerator and to a refrigerator wi...

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1. A method for controlling a refrigerator temperature, said method comprising the steps of: establishing a total period of time for controlling the refrigerator comprising a series of time intervals of a certain duration;monitoring a first use of the refrigerator, said first use starting a first time interval in the series of said time intervals;starting the refrigerator for a subsequent second time interval in the series of said time intervals at a start time calulated as the time of the first use, plus the time interval of the certain duration, minus a specified period of time, in order for the refrigerator to establish a specified temperature at a certain time of day within the subsequent time interval;establishing an intermediate period of time in a low temperature operation mode during a selected one of the time intervals;detecting an intermediate use of the refrigerator during the intermediate period of time;if the intermediate use of the refrigerator is detected within the intermediate period of time, maintaining the refrigerator in the low temperature operation mode during the selected one of the time intervals when the intermediate period of time interval expires; andif the intermediate use of the refrigerator is not detected within the intermediate period of time, switching the refrigerator to a high temperature operation mode during the selected one of the time intervals when the intermediate period of time expires. 2. The method according to claim 1, wherein the duration of the time intervals is 24 hours. 3. The method according to claim 1, wherein the duration of the specified period of time is between half an hour and 6 hours. 4. The method according to claim 1, wherein the duration of the intermediate period of time is between 1 hour and 12 hours. 5. The method according to claim 1, wherein for the calculation of the start time for starting the refrigerator for the subsequent second time interval, the time interval is 24 hours and the specified period of time is the time for the refrigerator to lower the refrigerator temperature to the specified temperature from a higher temperature. 6. The method according to claim 5, wherein the specified temperature is between 0 degrees Celsius and 10 degrees Celsius. 7. The method according to claim 5, wherein the higher temperature is between 10 degrees Celsius and 20 degrees Celsius. 8. The method according to claim 1, said method comprising the further steps of: detecting use of the refrigerator during a limited period of time;if use of the refrigerator is not detected within the limited period of time, determining an actual time of day of a last use of the refrigerator, andwhen the limited period of time expires, controlling the refrigerator to a so-called eco-mode of operation, where one or more energy consuming entities of the refrigerator are switched off or are switched to a reduced energy consumption. 9. The method according to claim 8, wherein at least one of the following parameters are monitored and detected for controlling the refrigerator according to the so-called eco-mode: sale period being detected as a low sale period because of use of the refrigerator being non-frequent; excess cooling capacity available from other cooling appliances connected to the refrigerator; exterior light conditions detected as being satisfactory for lighting of the refrigerator being switched off. 10. A method for controlling a refrigerator temperature, said method comprising the steps of: establishing total period of time for controlling the refrigerator comprising a series of time intervals of a certain duration; andmonitoring use of the refrigerator;if use of the refrigerator is detected within a first time interval in the series of time intervals, establishing a time of the detected use and starting the refrigerator at the time of the detected use within a subsequent second time interval in the series of time intervals;if use of the refrigerator is not detected within a first time interval in the series of time intervals, determining a time of prior use of the refrigerator in a previous time interval before said first time interval, and starting the refrigerator at the time of prior use within a subsequent second time interval in the series of time intervals;detecting use of the refrigerator during a limited period of time;if use of the refrigerator is not detected within the limited period of time, determining an actual time of day of a last use of the refrigerator, andwhen the limited period of time expires, controlling the refrigerator to a so-called eco-mode of operation, where one or more energy consuming entities of the refrigerator are switched off or are switched to a reduced energy consumption. 11. The method according to claim 1, wherein the first use of the refrigerator is an opening of a door or a hatch either for inserting to the refrigerator foodstuff or beverages for later extraction, or for extracting from the refrigerator foodstuff or beverages for further distribution, for purchase or for consumption. 12. A control unit for a refrigerator, said control unit being configured to: establish a total period of time for controlling the refrigerator comprising a series of time intervals of a certain duration;monitor a first use of the refrigerator, said first use starting a first time interval in the series of the plurality of said time interval;start the refrigerator for a subsequent second time interval in the series of the plurality of said time interval at a start time calulated as the time of the first use, plus the time interval of the certain duration, minus a specified period of time, in order for the refrigerator to establish a specified temperature at a certain time of day within the subsequent time interval;establish an intermediate period of time in a low temperature operation mode during a selected one of the time intervals;detect an intermediate use of the refrigerator during the intermediate period of time;wherein if the intermediate use of the refrigerator is detected within the intermediate period of time, the control unit maintains the refrigerator in the low temperature operation mode during the selected one of the time intervals when the intermediate period of time interval expires; andwherein if the intermediate use of the refrigerator is not detected within the intermediate period of time, the control unit switches the refrigerator to a high temperature operation mode during the selected one of the time intervals when the intermediate period of time expires. 13. A refrigerator comprising a control unit configured to: establish a total period of time for controlling the refrigerator comprising a series of time intervals of a certain duration;monitor a first use of the refrigerator, said first use starting a first time interval in the series of the plurality of said time interval;start the refrigerator for a subsequent second time interval in the series of the plurality of said time interval at a start time calulated as the time of the first use, plus the time interval of the certain duration, minus a specified period of time, in order for the refrigerator to establish a specified temperature at a certain time of day within the subsequent time interval;establish an intermediate period of time in a low temperature operation mode during a selected one of the time intervals;detect an intermediate use of the refrigerator during the intermediate period of time;wherein if the intermediate use of the refrigerator is detected within the intermediate period of time, the control unit maintains the refrigerator in the low temperature operation mode during the selected one of the time intervals when the intermediate period of time interval expires; andwherein if the intermediate use of the refrigerator is not detected within the intermediate period of time, the control unit switches the refrigerator to a high temperature operation mode during the selected one of the time intervals when the intermediate period of time expires. 14. The method according to claim 9, wherein the parameter being monitored and detected for controlling the refrigerator according to the so-called eco-mode is whether exterior light conditions detected as being satisfactory for lighting of the refrigerator being switched off. 15. The method according claim 10, wherein the duration of the time interval is 24 hours.

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Method for controlling a refrigerator, a control unit and a refrigerator

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Method for controlling a refrigerator, a control unit and a refrigerator

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