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Method and device for improving anti-interference degree of electric control board in electrical equipment

A technology for electrical equipment and anti-interference degree, applied in the field of improving the anti-interference degree of electronic control boards in electrical equipment, can solve problems such as performance degradation, hardware or software damage, function loss, etc., to improve anti-interference degree and prolong running time Effect

Active Publication Date: 2018-07-10
GD MIDEA HEATING & VENTILATING EQUIP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] --Irrecoverable function loss or performance degradation due to device hardware or software damage, or data loss

Method used

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  • Method and device for improving anti-interference degree of electric control board in electrical equipment
  • Method and device for improving anti-interference degree of electric control board in electrical equipment
  • Method and device for improving anti-interference degree of electric control board in electrical equipment

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Embodiment Construction

[0029] 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.

[0030] figure 1 It is a flowchart of a method for improving the anti-interference degree of an electric control board in electrical equipment according to an embodiment of the present invention. Such as figure 1 As shown, the method for improving the anti-interference degree of the electric control board in the electrical equipment according to the embodiment of the present invention comprises the following steps:

[0031] S1, sampling the input voltage of the electric control board.

[0032] Specifically, the controller (for ...

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PUM

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Abstract

The invention discloses a method and a device for improving the interference rejection of an electric board in electric equipment. The method comprises the following steps: sampling an input voltage of the electric board; judging whether the electric board is in a voltage sag or short interruption state according to the input voltage of the electric board; and if the electric board is in the voltage sag or short interruption state, turning off a load associated with the electric board in the electric equipment, to prolong the running time of the electric equipment before the electric board is reset. According to the method, the input voltage of the electric board is sampled, whether the electric board is in the voltage sag or short interruption state is judged according to the input voltage of the electric board, and if so, the load associated with the electric board in the electric equipment is turned off to prolong the running time of the electric equipment before the electric board is reset, so that the circuit board is not crashed or reset due to too low voltage; and the method greatly improves the interference rejection of the electric board to voltage sag or short interruption.

Description

technical field [0001] The invention relates to the technical field of electrical appliances, in particular to a method and a device for improving the anti-interference degree of an electric control board in electrical equipment. Background technique [0002] The electronic control boards of household / commercial appliances have certain requirements on the immunity of voltage dips and short interruptions. Before the products are launched on the market, they need to pass the test of immunity to voltage dips and short interruptions. Although different manufacturers require different immunity to voltage sags and short interruptions for different products, they will try their best to improve the immunity of products at the same cost to improve product quality. [0003] In the national standard for immunity tests of voltage sags, short interruptions and voltage changes, it is recommended to classify according to the following requirements for the evaluation of test results: [00...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/042
CPCG05B19/042
Inventor 陈良琳王豪浩李文辉
Owner GD MIDEA HEATING & VENTILATING EQUIP CO LTD
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