Parching detecting method and device of atomizing device

A technology of atomization equipment and detection method, which is applied in the field of atomization, can solve problems such as damage, anhydrous operation of the atomizing sheet, and shorten the service life, and achieve the effects of improving accuracy, preventing dry burning, and improving service life.

Active Publication Date: 2014-12-24
AUDIOWELL ELECTRONICS GUANGDONG
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

If the water is not added in time or the power is not turned off, it will easily cause the atomizer to work without water, because the high-frequency vibration of the ultrasonic atomizer itself will easily damage it and reduce its service life.

Method used

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  • Parching detecting method and device of atomizing device
  • Parching detecting method and device of atomizing device
  • Parching detecting method and device of atomizing device

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Embodiment Construction

[0023] 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 and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, and do not limit the protection scope of the present invention.

[0024] see figure 1 Shown is the impedance characteristic curve of atomized sheet when there is water and no water, because 1 can know that the impedance characteristic of atomized sheet is different when there is water and no water, the present invention utilizes atomized sheet exactly to have water and When there is no water, the impedance characteristics are different to judge whether the atomized sheet is dry-burning, and the impedance of the atomized sheet is different (mainly reflected in the large change in impedance value when there is no water), the current flow...

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Abstract

The invention provides a parching detecting method and device of an atomizing device. The parching detecting method includes steps of driving an atomizing disc of the atomizing device within a first signal period through driving signals with continuously changing frequency; detecting a first operating current value of the atomizing disc within the first signal period to obtain a first corresponding relation of the first operating current value and the frequency within the signal period; judging whether the atomizing device is parching or not according to the first corresponding relation and a second corresponding relation of a pre-stored second operating current value and frequency or according to the first corresponding relation and an amplitude value of the pre-stored second operating current value, wherein the second operating current value is the operating current value of the atomizing disc within the first signal period under the condition of water. By the parching detecting method and device, parching of the atomizing device is prevented and service life of the atomizing disc is prolonged.

Description

technical field [0001] The invention relates to the technical field of atomization, in particular to a dry burning detection method and a dry burning detection device of atomization equipment. Background technique [0002] At present, there are many atomizing devices (such as humidifiers, atomizers, aromatherapy machines, etc.) that can atomize water to achieve the purposes of humidification, dust removal, or aromatherapy. The working principle of the atomization equipment is to use the high-frequency vibration of the ultrasonic atomization sheet (or atomization sheet for short) to produce cavitation on water. [0003] However, in the process of atomizing the water, the water will continue to decrease until it is exhausted, which may eventually lead to dry burning and damage the atomizing sheet. The way to judge whether the water has been atomized is often artificially judged by observing whether the humidifier is foggy. If the water is not added in time or the power is no...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/042G01R19/00
Inventor 陆石昌彭波
Owner AUDIOWELL ELECTRONICS GUANGDONG
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