Method and device for identifying error signal, storage medium and processor

An error signal and processor technology, applied in the field of identifying error signals, can solve the problem of high cost

Active Publication Date: 2021-04-02
FOSHAN SHUNDE MIDEA WATER DISPENSER MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the embodiments of the present invention is to provide a method, device, storage medium and process

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  • Method and device for identifying error signal, storage medium and processor
  • Method and device for identifying error signal, storage medium and processor
  • Method and device for identifying error signal, storage medium and processor

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Embodiment Construction

[0042] The specific implementation manners of the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation manners described here are only used to illustrate and explain the embodiments of the present invention, and are not intended to limit the embodiments of the present invention.

[0043] For ultrasonic water dispensers, in most cases, only when the cup is placed in the ultrasonic radiation area, a relatively strong reflection signal will occur, and a raised peak exceeding a certain threshold will appear on the X-axis of the received reflection curve. Although the probability of the misjudgment of water droplets in the ultrasonic water dispenser is relatively small, the occurrence of this extremely rare event is related to the safety accident of the water dispenser. Therefore, in order to ensure that the mistriggering probability of the water dispenser is 0 ...

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Abstract

The embodiment of the invention provides a method and a device for identifying an error signal, a storage medium and a processor, and belongs to the field of electric appliances. The method for identifying the error signal comprises the following steps: acquiring a reflection signal received by an ultrasonic detector; determining that the amplitude of the wave crest in the reflected signal is greater than a preset threshold; determining a proportional relation between the height and the amplitude of the ultrasonic detector relative to the measured object; determining that the proportional relationship does not meet a preset proportional relationship; and identifying the reflected signal as an error signal. By adopting the method provided by the invention, the problem of higher cost can bereduced.

Description

technical field [0001] The present invention relates to the field of electrical appliances, in particular to a method, device, storage medium and processor for identifying error signals. Background technique [0002] The ultrasonic wave is applied to the water dispenser, which can realize two functions of automatic water discharge and automatic water stop. The characteristic of sound waves is that no matter what obstacles, when sound waves are emitted to its surface, reflections will occur. Water droplets are no exception. In the process of drinking water from the water dispenser, water often splashes on our backplane, and the backplane of ordinary materials (plastic or ordinary glass) water droplets are easily adsorbed on the backplane and condensed to form water droplets. , when the water droplets gather to a certain volume and at some specific positions and angles, a strong reflection signal will appear. After the ultrasonic probe receives the signal, it is easy to regar...

Claims

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Application Information

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IPC IPC(8): A47J31/44A47J31/00
CPCA47J31/4457A47J31/4403A47J31/00
Inventor 范志恒陈蔚魏中科全永兵
Owner FOSHAN SHUNDE MIDEA WATER DISPENSER MFG
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