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No-load detection device and method for microwave oven and microwave oven

A detection method and technology of detection device, which are applied in the directions of household stoves/stoves, household heating, lighting and heating equipment, etc., can solve the problems of short service life, high cost, poor applicability, etc., and achieve easy assembly and long service life. , the effect of low cost

Active Publication Date: 2017-11-07
GUANGDONG MIDEA KITCHEN APPLIANCES MFG CO LTD +1
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Problems solved by technology

This method has relatively high accuracy of no-load detection, but the cost is relatively high, the installation is complicated, and the existing microwave cavity needs to be changed, and the ultrasonic wave is easily disturbed in the microwave environment, and the service life is not long
[0007] Therefore, the cost of the no-load detection function of the existing microwave ovens is relatively high, the installation is complicated, and the applicability is not strong

Method used

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  • No-load detection device and method for microwave oven and microwave oven
  • No-load detection device and method for microwave oven and microwave oven
  • No-load detection device and method for microwave oven and microwave oven

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Embodiment Construction

[0030] The specific implementation manners of the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be understood that the specific implementations described here are only used to illustrate and explain the embodiments of the present invention, and are not used to limit the embodiments of the present invention.

[0031] figure 1 It is a flowchart of a method for detecting an empty microwave oven provided by an embodiment of the present invention. Such as figure 1 As shown, a microwave oven no-load detection method includes: driving the turntable of the microwave oven to rotate for a first time through the motor shaft of the microwave oven (step S11); after the first time, stop driving the turntable and detect The first number of revolutions of the motor shaft of the microwave oven due to the inertia of the turntable during the first inertia time (step S12); judge whether the microwave oven is empty accord...

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Abstract

The embodiment of the invention provides a no-load detection device and method for a microwave oven and the microwave oven, and belongs to the field of household appliances. The method comprises the steps of driving a turntable of the microwave oven to rotate for a first time through a rotating shaft of a motor of the microwave oven; after the first time, stopping driving the turntable and detecting the first number of turns by which the rotating shaft of the motor of the microwave oven rotates due to inertia of the turntable within a first inertia time; and judging whether the microwave oven is no-load or not according to the first number of turns and the first preset number of turns. The no-load detection device and method for the microwave oven and the microwave oven have the advantages that the cost is low, the service life is long, and assembly is easy.

Description

Technical field [0001] The invention relates to the field of household appliances, in particular to a microwave oven no-load detection device and method, and a microwave oven. Background technique [0002] A microwave oven is a cooking appliance that uses food to absorb microwave energy in a microwave field to heat itself. It has the characteristics of fast cooking speed, less nutrient loss from food, no open flame and oily smoke, good secondary heating effect and fast thawing speed, etc., which is popular among consumers. [0003] During the use of microwave oven products, no-load operation for a long time is not allowed. The reason is that part of the electromagnetic waves generated by the microwave generator will be absorbed by the microwave generator without food absorption, and some will be consumed in the cavity, causing damage to the microwave generator and the microwave oven door seal igniting due to high temperature deformation, etc. malfunction. [0004] The existing met...

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Application Information

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IPC IPC(8): F24C7/02F24C7/08
CPCF24C7/02F24C7/08
Inventor 庄耿刘存
Owner GUANGDONG MIDEA KITCHEN APPLIANCES MFG CO LTD
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