Refrigerator alarm system
A technology of an alarm system and a refrigerator, which is applied in the field of alarm systems that can detect the refrigerator forgot to close in time and give an alarm, can solve the problems of forgetting to close the refrigerator door, etc., and achieve the effect of simple production.
Inactive Publication Date: 2014-12-31
张世雄
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Problems solved by technology
But as an appliance that is always on all year round, people sometimes forget to close the refrigerator door
Method used
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[0008] Accompanying drawing shows the structure diagram of a kind of washing bathtub, comprises coil 1, magnet 2, time-delay device 3, alarm 4. The coil 1 and the magnet 2 are opposite to each other on the refrigerator door and the refrigerator frame respectively. When the refrigerator door is opened during use, if the refrigerator door is not closed within 2 minutes of the delayer, the coil 1 and magnet 2 do not experience the cutting magnetic induction line when they are closed, indicating that the refrigerator door is not completely closed, and the alarm starts to sound at this time to indicate that there is no closure.
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The invention discloses a refrigerator alarm system for detecting whether a door is closed or not through the electromagnetic induction principle. The refrigerator alarm system comprises a coil, a magnet, a time-delay device and an alarm, wherein the coil and the magnet are respectively arranged on a refrigerator door and a refrigerator frame and are opposite. The refrigerator alarm system disclosed by the invention is simple to manufacture, has a good effect and is capable of well solving the waste problem caused by the fact that a user forgets to close the refrigerator.
Description
technical field [0001] The invention relates to an alarm system for a refrigerator, in particular to a device capable of alarming when the refrigerator is forgotten to be closed in time. It belongs to the field of household appliances. technical background [0002] With the continuous development of science and technology, household appliances have begun to be popularized on a large scale. Refrigerator is a kind of electrical equipment that is commonly used in daily life and plays a very important role. He saves food conveniently for people, so that people don't have to worry about overnight meals. And in the hot summer, it can bring people a glass of ice water, an ice watermelon, and a cold drink, bringing people a little coolness in the scorching heat. But as an appliance that is turned on all year round, people sometimes forget to close the refrigerator door. How to solve the problem of forgetting to close the door has become a difficult problem in the refrigerator. ...
Claims
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Inventor 张世雄
Owner 张世雄