Ultrasonic atomizer

An ultrasonic and nebulizer technology, applied in the field of electronic equipment, can solve problems such as large power differences, low production efficiency, and poor controllability, and achieve the effects of ensuring consistency, improving production efficiency, and strong controllability

Active Publication Date: 2015-12-30
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention provides an ultrasonic nebulizer to solve the problem of ensuring atomization through power self-regulation in order to overcome the defects of relatively large power differences among nebulizers in the prior art, low production efficiency and poor controllability caused by adjustment on the production line. In addition, it can solve the problem of reducing the production process and improving production efficiency; further, it can solve the problem of signal detection integration and reduce space to facilitate structural design; further, it can solve the problem of improving reliability through double protection, and can controlling problem

Method used

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Embodiment 1

[0026] The invention provides an ultrasonic nebulizer, such as figure 1 As shown, the ultrasonic nebulizer includes a main chip 100, a capacitive three-point oscillation circuit 200 and a power self-regulating circuit 300. The main chip 100 is used to provide the fog volume control input signal PWM to the capacitive three-point oscillation circuit 200, so The capacitive three-point oscillation circuit 200 generates ultrasonic waves based on the mist volume control input signal, so as to make the atomizing sheet resonate, thereby atomizing the liquid. The power self-regulating circuit 300 is used to detect the DC signal of the emitter of the transistor in the capacitor three-point oscillator circuit 200, and use the DC signal and the fog volume control input signal transmitted from the main chip 100 to the capacitor three-point oscillator circuit 200 For comparison, the base current of the transistor is adjusted to ensure the stability and consistency of the output power.

[0...

Embodiment 2

[0035] By introducing a power self-adjusting circuit, the invention solves the technical problem of poor power consistency of the produced atomizers caused by the differences in the accuracy of components and the manufacturing process of the atomizers. The existing ultrasonic atomizer does not integrate water level detection, but detects the water level height through the cooperation of discrete magnetic switches and magnets, which takes up a lot of space and brings certain troubles to the structural design. Under the consideration of this deficiency, the present invention has also carried out further improvement, as image 3 As shown, on the basis of the technical solution described in the above-mentioned embodiment 1, a new water level signal detection circuit 400 is introduced, thereby reducing the space occupied by the relevant water level detection components, and leaving enough space for the structural designer to make a beautiful appearance. design and structural design...

Embodiment 3

[0040] Existing ultrasonic nebulizers have no dry-burning protection, or are protected by resettable temperature limiters, disposable thermal protectors, or are protected by dry-burning signal detection programs, but the algorithm is complex and the action protection time is long, which directly affects the mist. The service life of the atomizer and the attenuation of the accelerated atomization amount. Considering this deficiency existing in the prior art, the present invention has carried out further improvement, proposes a kind of double protection idea, promptly adds a kind of new dry-burning signal detection circuit 500 on the basis of embodiment 2 (being anti-dry burning detection circuit), through this new dry burning signal detection circuit 500, the DC signal of the base of the transistor can be detected, and the DC signal can be provided to the main chip 100 for controlling the opening or cutting off of the fog volume control input signal, So as to prevent dry burnin...

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Abstract

The invention discloses an ultrasonic atomizer which comprises a main chip, a three-point capacitance oscillating circuit and a power self-regulation circuit, wherein the main chip is used for providing a spray volume control input signal for the three-point capacitance oscillating circuit; the three-point capacitance oscillating circuit generates ultrasonic waves according to the spray volume control input signal, so as to drive an atomization pieces to atomize water; the power self-regulation circuit is used for detecting a direct current signal of an transistor emitter in the three-point capacitance oscillating circuit, and adopting the direct current signal to regulate the spray volume control input signal. The power self-regulation circuit is adopted for ensure power consistency for the ultrasonic atomizer, and the production procedure that a production line operator regulates power by changing the adjustable resistance value is removed, so that the influence of human factors is eliminated, the production efficiency is improved, and the controllability is high.

Description

technical field [0001] The invention relates to the field of electronic equipment, in particular to an ultrasonic nebulizer. Background technique [0002] Most of the existing ultrasonic nebulizers use capacitor three-point oscillation circuit. Due to the influence of the precision of components and the difference in the manufacturing process of atomizers, even the atomizers of the same production batch, the power of the produced atomizers also varies. If there is a large difference, an adjustable resistor can only be used at the base of the transistor, and the power can be consistent by adjusting the resistance value on the production line. Thus, production efficiency is low and controllability is poor. [0003] The existing ultrasonic atomizer detects the water level through the cooperation of discrete magnetic switches and magnets, which takes up a lot of space and brings certain troubles to the structural design. At the same time, through the resettable temperature lim...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05B17/06
CPCB05B17/06
Inventor 郑丰周李俊锴郑雪莲陈海健戚奋飞苏志华
Owner GREE ELECTRIC APPLIANCES INC
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