Detecting method and device of vibrator working state, circuit and humidifier

A technology of working state and detection method, applied in the direction of measuring device, measuring electricity, measuring electrical variable, etc., can solve the problems of long response time, unable to stop in time, unable to stop automatically, etc., to achieve the effect of simple and rapid detection

Inactive Publication Date: 2018-01-12
GREE ELECTRIC APPLIANCES INC OF ZHUHAI
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  • Abstract
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Problems solved by technology

For example, in a humidifier, the reed switch is generally used to detect the water level in the water tank. When there is a lack of water, the humidifier is controlled to stop working. However, the reed switch has a certain failure probability. When the reed switch fails, it may cause the humidifier to fail. When the water is in the water, it cannot stop automatically; or by detecting the temperature of the vibrator, when the temperature exceeds the preset value, the humidifier is controlled to stop

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  • Detecting method and device of vibrator working state, circuit and humidifier
  • Detecting method and device of vibrator working state, circuit and humidifier
  • Detecting method and device of vibrator working state, circuit and humidifier

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[0031] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0032] In the description of the present invention, it should be noted that the terms "installation", "connected" and "connected" should be understood in a broad sense, unless otherwise clearly specified and limited. For example, they can be fixed or detachable. Connected or integrally connected; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of the two components, which can be ...

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Abstract

The invention discloses a detecting method and a device of a vibrator working state, a circuit and a humidifier, wherein the method includes steps of acquiring oscillating voltage to drive a vibratorto oscillate; counting the lasting time length when the amplitude of the oscillating voltage exceeds the reference voltage; confirming current working state of the vibrator according to the lasting time length. Due to different amplitudes of the oscillating voltage, the working states of corresponding vibrators are also different; the current working state of the vibrator can be determined upon the lasting time length. Only through a single I/O port, the detection of multiple working states can be realized; the inherent attribute of the vibrator with amplitude can also be learned; thus the working state of the vibrator can be simply and rapidly detected.

Description

technical field [0001] The invention relates to the technical field of home appliances, in particular to a method, device, circuit and humidifier for detecting the working state of a vibrator. Background technique [0002] The vibrator is widely used in cleaning, humidification and other fields due to its stable oscillation frequency, high conversion efficiency from electrical energy to mechanical energy, small resonance impedance, and low heat generation. For example, more and more humidifiers currently use vibrator atomization to replace traditional heating atomization. The principle is that the atomization sheet is driven by an oscillating circuit to oscillate at high frequency to break up water into water particles with a diameter of 1-5 microns. Fog, the water is blown out by the fan to humidify the air, which has the advantages of high humidification efficiency, high humidification intensity, and energy saving. [0003] However, when the vibrator is unloaded, for exam...

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Application Information

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IPC IPC(8): G01R31/00F24F6/12F24F11/30
Inventor 郑丰周高佳慧关敬维李俊锴苏志华
Owner GREE ELECTRIC APPLIANCES INC OF ZHUHAI
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