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Portable tool for washing machine detection, PCB and detecting method

A washing machine, portable technology, applied in the field of electrical fault detection, can solve the problems of inconvenient operation, difficult to detect the fault location and fault type, etc., to achieve the effect of easy to use, less circuit knowledge and analysis ability

Inactive Publication Date: 2019-02-22
QINGDAO HAIER TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] After washing machines, TV sets, refrigerators and other household appliances fail, it is difficult to detect the fault location and fault type without professional measurement tools
At present, after-sales personnel usually use multimeters for fault detection, which requires certain professional skills and is inconvenient to operate

Method used

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  • Portable tool for washing machine detection, PCB and detecting method
  • Portable tool for washing machine detection, PCB and detecting method
  • Portable tool for washing machine detection, PCB and detecting method

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Embodiment Construction

[0031] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined arbitrarily with each other.

[0032] figure 1 It exemplarily shows a schematic block diagram of a portable tool for washing machine detection according to the present invention.

[0033] Such as ...

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Abstract

The invention discloses a portable tool for washing machine detection, a PCB and a detecting method. The disclosed portable tool comprises a direct-current load simulation and power supply state display module that is used for simulating a first kind of direct-current load of at least one type of washing machine, connecting a default or selected type of the washing machine, and displaying a direct-current power supply state to detect whether the first kind of direct-current load has a power supply fault. Compared with the common mode using an ordinary multimeter for checking, the portable toolenables the circuit knowledge needing to be mastered and the analysis ability to be reduced; and the tool is easy to operate.

Description

technical field [0001] The invention relates to the field of electrical fault detection, in particular to a portable tooling, a PCB board and a detection method for washing machine detection. Background technique [0002] After household appliances such as washing machines, televisions, and refrigerators fail, it is difficult to detect the fault location and fault type without professional measurement tools. At present, after-sales personnel usually use multimeters for fault detection, which requires certain professional skills and is inconvenient to operate. [0003] In order to reduce the technical requirements for after-sales personnel, and in order to meet the requirements of easy portability, convenient operation, applicable to various models, and no need for a multimeter, a portable washing machine testing tool that is different from the special large-scale testing tool used on the fixed model production line is required. The location and type of the fault can be quic...

Claims

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Application Information

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IPC IPC(8): G01R31/00
CPCG01R31/00
Inventor 李强王荣忠
Owner QINGDAO HAIER TECH