Food processor and constant speed control method and device thereof

A food cooking machine, constant speed control technology, applied in the direction of motor control, control system, motor parameter estimation/correction, etc., can solve the problems that the motor cannot reach, affect the cooking effect of the food cooking machine, etc.

Inactive Publication Date: 2019-02-26
GUANGDONG MIDEA CONSUMER ELECTRICS MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Moreover, the speed of the motor is affected by the load. If the load is too large, for example, there are too many ingredients, the speed of the motor may not reach the set speed, which will affect the cooking effect of the food processor.

Method used

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  • Food processor and constant speed control method and device thereof
  • Food processor and constant speed control method and device thereof
  • Food processor and constant speed control method and device thereof

Examples

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Embodiment Construction

[0040] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0041] A constant speed control method for a food cooking machine, a constant speed control device for a food cooking machine, and a food cooking machine according to embodiments of the present invention will be described below with reference to the accompanying drawings.

[0042] figure 1 is a flowchart of a constant speed control method for a food cooking machine according to an embodiment of the present invention. Among them, such as figure 2 As shown, the food cooking machine includes a motor and a thyristor module (not s...

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PUM

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Abstract

The invention discloses a food processor and constant speed control method and device thereof, the method comprising the steps of: detecting a zero-crossing signal of an alternating current input to amotor; acquiring a zero-crossing point of the alternating current according to the zero-crossing signal, and after the zero-crossing point is delayed for a first preset time, outputting an opening pulse signal to a thyristor module, and outputting an open pulse signal to the thyristor module every second preset time to drive the motor to operate through the thyristor module; detecting a magneticfield conversion signal provided by a magnetic ring so as to output an alternating level signal, calculating the current rotation speed of the motor according to the alternating level signal, and acquiring a target shift where the motor is arranged and the corresponding rotation speed; and adjusting the first preset time according to the current rotation speed of the motor. Therefore, by carryingout processing processes in different shifts, the constant-speed rotation of the motor in different shifts can be achieved, so e working noise of the food processor can be reduced and processing effects of the food processor can be improved.

Description

technical field [0001] The invention relates to the technical field of household electrical appliances, in particular to a constant-speed control method for a food cooking machine, a constant-speed control device for a food cooking machine, and a food cooking machine. Background technique [0002] In order to fully break the ingredients, the general food processor controls the motor to run at a high speed, and the speed of the motor is usually above 20000r / min. When whipping at high speed, it will produce a lot of noise, especially when there are many ingredients, the early stage of whipping will produce very loud noise. Moreover, the speed of the motor is affected by the load. If the load is too large, for example, there are too many ingredients, the speed of the motor may not reach the set speed, which will affect the cooking effect of the food processor. Contents of the invention [0003] The present invention aims to solve one of the technical problems in the above-me...

Claims

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Application Information

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IPC IPC(8): H02P29/20H02P23/14A47J43/08
CPCA47J43/08H02P23/14H02P29/20
Inventor 尹坤任徐双江
Owner GUANGDONG MIDEA CONSUMER ELECTRICS MFG CO LTD
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