Audio frequency induction vacuum cleaner controller

Abstract

The present invention discloses an audio frequency induction vacuum cleaner controller. The audio frequency induction vacuum cleaner controller comprises a controller main body; and the controller main body comprises a power conversion circuit for converting an AC signal to a DC signal, a motor control circuit for controlling normal operation of a motor, a microcontroller serving as a control center, a display and button module providing interface operation, a power sampling module capable of acquiring electrical parameters, and a microphone circuit for acquiring audio frequency information. According to the audio frequency induction vacuum cleaner controller, the microphone circuit acquires the audio frequency information between a motor suction opening and a dust bag, and whether the vacuum cleaner is stalled and the dust bag is full or not can be determined through software analysis of the microcontroller; persons are reminded to process timely through display of the display and button module; and the effect of power self-learning is achieved through cooperation of the power sampling module and the microcontroller, so that the technical problem of compatibility of different access power sources is solved, and the vacuum cleaner controller can be used more safely, conveniently and intelligently.

Description

Technical field [0001] The present invention relates to the field of vacuum cleaner controllers, in particular to an audio induction vacuum cleaner controller. Background technique [0002] When people buy a vacuum cleaner for daily use, they often use three indicators to judge the quality of the vacuum cleaner. One is suction power, the other is the anti-clogging function, and the third is the ease of cleaning. For users who often use vacuum cleaners, the most troublesome The problem is that the vacuum cleaner does not suck, that is, the air pipe of the vacuum cleaner is blocked. [0003] We know that the working principle of the vacuum cleaner is that the operation of the motor causes the formation of a low air pressure zone in the dust bag box. According to the principle of air flow, the air pressure difference between inside and outside is formed. By using the effect of this pressure difference between inside and outside, dust and other debris are sequentially passed through t...

AI Technical Summary

Problems solved by technology

If the dust bag is full of dust and it is not cleaned in time, the suction of the vacuum cleaner will drop significantly; after a long time, it will cause blockage, and there will be no suction. and hose joints cause blockage

At the same time, if the motor does not get sufficient heat dissipation when it is running under this condition, it will cause damage to the motor after a long working time. Then it is not just the simplest dust bag that is not cleaned in time.

[0004] In response to this phenomenon, the air pressure sensing vacuum cleaner invented by the authorized announcement number CN100425191 uses an intelligent control system composed of an air pressure sensor and a single-chip microcomputer control technology, so as to be able to control the automatic adjustment of the motor power and achieve the purpose of high efficiency and energy saving. Dust-full alarm protection function reminds users to clean the dust bag in time through LED lights. However, the main body of the invention is a vacuum cleaner, which limits its application range. There is a corresponding difference in voltage and frequency, which will have a great impact on the normal operation of the vacuum cleaner. Even in my country, due to the existence of contradictions between power supply and demand, the voltage of the mains grid fluctuates greatly, which cannot meet the requirements of high-precision loads. All kinds of electronic equipment have to add a zero-crossing detection circuit to achieve the effect of voltage regulation

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