Electric kettle thermostat working principle and maintenance method

Drinking hot water is a very popular phrase today, but today we are not going to discuss how to drink hot water, but to discuss our hot water cooking tools - electric kettle, let us approach the electric kettle today, one Get up and understand the working principle and maintenance method of the electric kettle thermostat.

Electric kettle thermostat working principle and maintenance method

First, the principle of electric kettle

The electric kettle is mainly composed of a kettle body, a power connector, a heater, a steam induction controller and an anti-drying thermostat. The kettle body and the power supply have a separate structure. When the water is boiled, the power is turned on, and the water is automatically broken when boiling. Electricity, safe operation. It adopts high-power heating, and the heating speed is fast. It takes only 4 to 5 minutes to boil a pot of water. It has automatic temperature control, automatic power-off function after water is turned on, and anti-dry and over-temperature protection.

Second, several cases of electric kettle thermostat maintenance

1. The kettle is broken but the power switch is normal.

If the power switch is normal, the fault occurs mostly in the heat preservation switch. First, see if the reed of the bimetal is pressed against the switch lever. If the pressure is too tight, use a pair of tweezers to bend it upward until the distance between the two is 0.5-1 mm. If the distance between the bimetal and the switch lever is normal, the switch box should be removed and the contacts and reeds of the heat switch should be cleaned.

2. The electric kettle maintenance method does not heat up after power-on, but the indicator light is on.

The indicator light is on, indicating that the power supply has been added to the indicator circuit. The fault is in the heating tube or its connection part. The common electric heating tube is damaged and the contact is poor. It can be judged by removing the electric heating tube and measuring its resistance. The electric heating tube is damaged and can only be replaced. Poor contact is mainly due to severe corrosion or deformation of the contact spring in the power plug assembly. The switch box can be disassembled for cleaning and repair, and the damage is most important.

3, the electric kettle is broken, the water can not be broken after boiling

Mainly due to the failure of the reset switch. Common causes are severe deformation of the temperature sensor or hindrance of the switch link. For the former, the convex angle of the temperature sensing piece can be re-bent, so that the action of the switching link is normal. For the latter, it is necessary to find a blocked part or a foreign object, and generally it is normal to remove the foreign matter and correct the position.

4, electric kettle repair heating speed is slow

Common causes are low power supply voltage, poor contact of the indoor power supply line or the connector block, and should be eliminated first. Then check whether the electric heating pipe is seriously fouled, whether the contact between the base and the power socket of the kettle body is seriously bad. If the electric heating tube is fouled, it can be scraped with a small knife and then polished with fine sandpaper. If the contact between the base and the power socket of the kettle body is seriously bad, first remove the contact piece of the plug seat and the oxide layer of the contact, dirt, and then correct the shape so that the contact between the two is tight.

After reading this article about the working principle and maintenance methods of the electric kettle thermostat, do you have a certain understanding of it and hope to help you.