A protection device and method for automatic power-off of heating water equipment
An automatic power-off and protection device technology, applied in water-boiling appliances, kitchen utensils, household appliances, etc., can solve the problems of heating water equipment damage, rust temperature detection, loss, etc., to achieve isolated contact, prolong service life, Avoid damaging effects
Active Publication Date: 2018-10-12
湖州帷幄知识产权运营有限公司
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Problems solved by technology
[0003] The automatic power-off water boiling equipment in the prior art uses a temperature sensor to detect that the water temperature reaches the boiling point and then controls the power switch to turn off the power. Due to the high temperature and high humidity of the water vapor, the temperature sensor is made of metal, and there will be rust after a long period of use. If the temperature detection fails, it will cause damage to the heating water equipment and cause losses
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[0011] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described here, and those skilled in the art can make similar extensions without violating the connotation of the present invention, so the present invention is not limited by the specific implementations disclosed below.
[0012] Secondly, the present invention is described in detail by means of schematic diagrams. When describing the embodiments of the present invention in detail, for convenience of explanation, the schematic diagrams are only examples, which should not limit the protection scope of the present invention.
[0013] Water heating equipment, especially electric kettles, has become a must-have in daily life. Most of the existing electric kettles use a temperature sensor to detect the temperature of the water vapor in the electri...
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The invention discloses a protection device and method for automatically switching off water heating equipment. The protection device comprises a detection module and a control module, wherein the detection module is used for detecting whether water in the water heating equipment is heated to the boiling point or not; the detection module comprises a water vapor accommodating chamber and a control panel; the shape of the control panel is identical to the cross section shape of the cavity of the water vapor accommodating chamber; when the water heating equipment heats the water to the boiling point, the generated water vapor flows into the water vapor accommodating chamber through a passage; the generated impact force drives the control panel to move in the cavity; when the control panel moves to a preset position, the detection module judges that the water in the water heating equipment is heated to the boiling point; the control module is used for controlling the switching-off of a power supply of the water heating equipment and stopping the heating when the detection module judges that the water in the water heating equipment is heated to the boiling point. The device and the method have the advantages that the control panel can be driven to move by the water vapor generated by water boiling; the contact of the water vapor and the control device is avoided, so that the damage to the water heating equipment is avoided; the service life of the equipment is prolonged.
Description
technical field [0001] The invention relates to the field of automatic control, in particular to a protection device and method for automatic power-off of water heating equipment. Background technique [0002] The water heating equipment on the market now automatically cuts off the power after the temperature reaches the boiling point, all of which are realized by using a temperature sensor. When the water temperature reaches the boiling point, the water vapor generated after the temperature exceeds 100 degrees is transmitted to the temperature sensor device. The temperature sensor generates a signal to control the power switch to be turned off, so that the power supply of the heating water equipment can automatically cut off the power. [0003] The automatic power-off water boiling equipment in the prior art uses a temperature sensor to detect that the water temperature reaches the boiling point and then controls the power switch to turn off the power. Due to the high tempe...
Claims
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IPC IPC(8): A47J27/21
CPCA47J27/21075
Inventor 曾应斌
Owner 湖州帷幄知识产权运营有限公司