A kind of steam generator and its automatic descaling method and household cooking appliance

Abstract

The invention relates to a steam generator, its automatic descaling method and a household cooking appliance. It comprises a body with a water storage chamber inside. The water storage chamber has a water injection port. An evaporating chamber communicated with an openable water guide port, the evaporating chamber has a steam outlet, and the evaporating chamber is provided with a heating device for heating the water in the evaporating chamber to generate steam. Compared with the existing single-chamber steam generator, the amount of water in the evaporation chamber of the present invention is relatively small, so that the temperature rise rate of the water in the evaporation chamber can be accelerated, and the heating device can heat the water in the evaporation chamber to generate steam. Efficiency, thereby reducing the cooking time of household cooking appliances using the steam generator. In addition, the invention adopts the principle of thermal expansion and contraction to automatically remove scale on the inner peripheral surface of the evaporation chamber. The physical descaling method is easy to operate and pollution-free, and does not need to add other parts, which reduces the production and later stages of the steam generator. Use maintenance costs.

Description

technical field [0001] The invention relates to the field of household cooking appliances, in particular to a steam generator, an automatic descaling method thereof and a household cooking appliance with the steam generator. Background technique [0002] Existing steam cooking appliances such as electric household cooking appliances generally use an external steam generator, and the steam generated by the external steam generator is input into the inner tank for cooking food. The steam generator generally adopts a single-chamber structure, the bottom surface of the steam generator is a planar structure, and the heights of the inner chambers of the steam generator are equal. When working, a large amount of cold water is injected into the steam generator from the external water tank, and the heating part on the steam generator heats the water to generate steam. Due to too much water in the steam generator, the heating efficiency of the steam generator is low, the heating spee...

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Problems solved by technology

In this way, since the water injection method of the steam generator is pulse injection, it takes a certain amount of time for the newly injected cold water to heat up, resulting in insufficient supply of steam during the time period for the newly injected cold water to heat up, which affects the stability of the steam output of the steam generator, and eventually Affects the taste of cooked food

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