Spring water detecting circuit and double dry burning protection circuit for humidifier and working method
A technology for protecting circuits and humidifiers, which is applied to emergency protection circuit devices, automatic disconnection emergency protection devices, heating methods, etc., which can solve the problem of intermittent fogging from atomizers, inability to perform anti-shake processing, and easy misjudgment. and other problems to achieve the effect of preventing dry burning, long service life and convenient installation
Active Publication Date: 2020-07-10
佛山市和瑞泰智能科技有限公司
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Problems solved by technology
The traditional anti-dry protection device uses discrete components such as comparators to form an analog circuit. This kind of circuit has a disadvantage that it must be judged after dry burning for 5 to 8 seconds, and it cannot be used for anti-shake processing. It is easy to cause errors in actual use. Judgment, resulting in intermittent mist from the nebulizer
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[0061] The embodiment of the present invention provides a spring water detection circuit, a double dry heating protection circuit and a working method for a humidifier. On the one hand, a spring water detection circuit that is more convenient to install and has a longer life is adopted; Detection, that is, the method of detecting the voltage change of pole B and the current change of load point F at the same time, can quickly and accurately identify the dry burning situation after the water detection circuit fails, so as to effectively prevent the dry burning of the humidifier and solve the current problem. There are technical problems.
[0062] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments . Based on ...
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The embodiment of the invention discloses a spring water detecting circuit and double dry burning protection circuit for a humidifier and a working method. On the one hand, the spring water detectingcircuit with more convenient installation and longer life is used, on the other hand, dual detection is adopted, that is, the voltage change of a pole B and the current change of a load point F are detected simultaneously, the dry burning situation can be quickly and accurately identified after the failure of the water detecting circuit, so that the dry burning of the humidifier is effectively prevented, and the problems existing in the prior art are solved.
Description
technical field [0001] The embodiments of the present invention relate to the field of humidifiers, and in particular relate to a spring water detection circuit, a double dry heating protection circuit and a working method for the humidifier. Background technique [0002] Humidifiers are household appliances used to increase space humidity, including ultrasonic humidifiers, electric humidifiers, and pure humidifiers. [0003] An ultrasonic humidifier in the prior art uses a reed switch to detect whether there is water in the water storage tank. When there is water in the water tank, the floating ball installed in the water storage tank with a built-in magnet will float and float to a position near the reed switch At this time, the reed switch is closed, which is equivalent to detecting the presence of water. Otherwise, when there is no water, the float will fall down and the reed switch will be disconnected. At this time, it is quite detected that there is no water. When th...
Claims
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Login to View More IPC IPC(8): F24F11/88G01F23/26G05B19/042H02H1/00H02H5/00H02H5/08
CPCF24F11/88G01F23/266G05B19/042H02H1/0007H02H5/00H02H5/08
Inventor 任丽东莫家侠张剑锋
Owner 佛山市和瑞泰智能科技有限公司