Household appliance

Abstract

The invention discloses a household appliance. The household appliance comprises a housing, a main control board and a live control circuit, wherein a live wire port, a zero wire port, the main control board and the live control circuit are arranged in the housing; a test end of the live control circuit is electrically connected with a metal part of the housing or a conductive part which can be touched by a human body; a sensing part and a warning part are arranged on the live control circuit; the main control board is electrically connected with a power supply port; a circuit break control circuit is arranged on the main control board; the circuit break control circuit controls on and off of an electric control switch; and the live control circuit is electrically connected with the main control board. The technical effects of live warning of a metal housing of the household appliance without a ground wire and automatic power off are achieved; and potential safety hazards caused by disconnection of a ground wire bus of a household power grid of the household appliance with the ground wire are also achieved, so that the household appliance is safer and more reliable, and a user obtains better safety guarantee.

Description

technical field [0001] The invention relates to the technical field of household appliances, in particular to a household appliance with warning and protection functions and a control method thereof. Background technique [0002] At present, some household appliances do not have a grounding wire, and their shells are made of metal materials. When the live wire touches the shell, the shell will be charged, which will cause safety hazards to users; and the wiring design of some old houses is not designed according to the specifications, and there is no installation. The ground wire, or the ground bus is aging and disconnected. When the electrical appliance leaks electricity, it cannot play a good protective role, and it will also cause safety hazards to users. Contents of the invention [0003] The household appliance provided by the invention can prompt the user in time when the shell or the ground wire of the appliance is electrified, or cut off the input power supply, so ...

AI Technical Summary

Problems solved by technology

[0002] At present, some household appliances do not have a grounding wire, and their shells are made of metal materials. When the live wire touches the shell, the shell will be charged, which will cause safety hazards to users; and the wiring design of some old houses is not designed according to the specifications, and there is no installation. The ground wire, or the ground bus is aging and disconnected. When the electrical appliance leaks electricity, it cannot play a good protective role, and it will also cause safety hazards to users.

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