Electromagnetic heating method and electromagnetic heating device
A heating method and electromagnetic technology, applied in induction heating devices, induction heating, and efficiency improvement of home appliances, etc., can solve problems such as safety accidents, inability to realize dynamic confirmation of liquid level, electromagnetic field interference, etc.
Active Publication Date: 2020-04-14
鑫汇科研究院佛山有限公司
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Problems solved by technology
[0004] The principle of this patent is that the capacitive liquid level switch is connected to the circuit board for detection and control. When no water is detected, the electric kettle cannot start working. If it is in the starting state, the electric kettle will automatically power off, but it cannot be realized. Dynamically confirm the liquid level; however, on the electromagnetic heating kettle, due to the strong electromagnetic field interference during the electromagnetic heating process, when the kettle body is separated from the base, when the kettle body is removed and put on again, it is necessary to realize dynamic detection of the kettle Whether there is any liquid in the liquid for heating, otherwise there will be safety hazards, because it is a high-temperature liquid, once there is a safety hazard, it may lead to serious safety accidents, so it needs to be studied and solved
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[0026] In order to make the above-mentioned purpose, features and advantages of the present application more obvious and understandable, the specific implementation manners of the present application will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the application. However, the present application can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.
[0027] It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" a...
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Abstract
The invention relates to an electromagnetic heating method and an electromagnetic heating device. The electromagnetic heating method comprises the steps: carrying out dynamic detection on an autocapacitor when an electromagnetic heating container exists on an electromagnetic heating panel, and obtaining a current capacitance value of the autocapacitor; calculating a liquid content in the electromagnetic heating container according to a current capacitance value; and carrying out heating adjustment of electromagnetic heating according to the liquid content. Whether an enough liquid exists in the electromagnetic heating container for heating or not can be accurately judged; the method and the device are particularly suitable for an application environment that the electromagnetic heating container and the electromagnetic heating panel are separated and make contact repeatedly; and due to a fact that the content of liquid in the electromagnetic heating container can be accurately determined, a potential safety hazard that there is no liquid which can be used for heating in the electromagnetic heating container is avoided. Heating adjustment of electromagnetic heating is performed according to the liquid content so that the heating adjustment can be matched with the liquid content in the electromagnetic heating container, safety performance is further improved, and an energy-savingeffect is also achieved.
Description
technical field [0001] The present application relates to the field of electromagnetic heating detection, in particular to an electromagnetic heating method and an electromagnetic heating device. Background technique [0002] The electric kettle was born in Chicago in 1891. With the development of science and technology, fast, safe, convenient, and full use of energy have gradually become the main features of the kettle. The electric kettle has the functions of automatically powering off after boiling water, and preventing dry burning. The electric kettle has fast heating speed and good heat preservation effect. Good, strong filtering function, many styles and other advantages. Electromagnetic heating (Electromagnetic heating, EH), also known as electromagnetic induction heating, is a direct heating method. The principle of electromagnetic heating is to generate an alternating magnetic field through the components of the electronic circuit board. When a ferrous container is...
Claims
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IPC IPC(8): H05B6/12
CPCH05B6/12Y02B40/00
Inventor 余卫金郑彦斌戚龙赖文斌
Owner 鑫汇科研究院佛山有限公司