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Filter plate and cooking equipment

A filter board and filter inductor technology, which is applied to output power conversion devices, electrical components, household appliances, etc., can solve the problems of large filter board and cooking equipment, eliminate differential mode interference, improve EMC effect, cost saving effect

Pending Publication Date: 2021-11-23
GUANGDONG WITOL VACUUM ELECTRONICS MFR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are many electromagnetic components, and the volume of the filter board is large, resulting in a large overall volume of the cooking equipment

Method used

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  • Filter plate and cooking equipment
  • Filter plate and cooking equipment
  • Filter plate and cooking equipment

Examples

Experimental program
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Embodiment Construction

[0027] Embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote 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, are only for explaining the present application, and should not be construed as limiting the present application.

[0028] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation indicated by rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc. The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the application and simplifying the description, and doe...

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PUM

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Abstract

The invention discloses a filter plate and cooking equipment. The filter plate comprises a filter inductor module and a filter capacitor module. The filter inductor module comprises a magnetic core ring, a first winding wire and a second winding wire. The magnetic core ring comprises a first side column and a second side column which are oppositely arranged in parallel; the first winding is wound on the first side column to form a plurality of turns of first coils at equal intervals, and the second winding is wound on the second side column to form a plurality of turns of second coils at equal intervals. The filter capacitor module comprises a first differential mode filtering unit and a second differential mode filtering unit, the first differential mode filtering unit is connected with the input ends of the first winding wire and the second winding wire, and the second differential mode filtering unit is connected with the output ends of the first winding wire and the second winding wire. Therefore, the plurality of turns of first coils and second coils are respectively wound on the first side column and the second side column at equal intervals, so the filter inductor module can generate relatively large leakage inductance, the influence caused by differential mode interference can be eliminated, the arrangement of a differential mode inductor is avoided, and the size of the filter plate is reduced.

Description

technical field [0001] This application relates to the field of household electrical appliances, in particular to designing a filtering board and cooking equipment. Background technique [0002] Cooking equipment needs to comply with Electro Magnetic Compatibility (EMC) standards. EMC means that in the same electromagnetic environment, the equipment can work normally without being affected by the interference of other equipment, and at the same time, it will not interfere with the work of other equipment. [0003] In order to filter out the external electromagnetic interference introduced from the power line, and at the same time prevent the cooking equipment from emitting electromagnetic interference to the outside to affect the work of other electronic equipment in the same electromagnetic environment, and comply with the relevant national standards for EMC, the cooking equipment is equipped with a filter board . In the related technology, the filter board is composed of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M1/44H02M1/12A47J37/06
CPCH02M1/44H02M1/12A47J37/0629
Inventor 庄耿
Owner GUANGDONG WITOL VACUUM ELECTRONICS MFR
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