Food cooking utensil

Abstract

The invention relates to a food cooking utensil comprising a food container and an electromagnetic heating device. The food container is placed on the electromagnetic heating device; the electromagnetic heating device comprises a machine body, electromagnetic coils and a control circuit board, the electromagnetic coils are located in the machine body, and the control circuit board is electrically connected with the electromagnetic coils; the electromagnetic heating device is further provided with vibrating reeds, vibrating spaces are arranged between the vibrating reeds and the upper surfaces of the electromagnetic coils and between the vibrating reeds and the bottom surface of the food container, and the vibrating reeds induce an alternating magnetic field of the electromagnetic coils to generate ultrasonic waves. The vibrating reeds are arranged above the electromagnetic coils to induce the electromagnetic field to generate the ultrasonic waves which act on food in the food container, mouthfeel of the food is improved, and application of the ultrasonic waves to kitchen household appliances is achieved. The ultrasonic waves are generated and transmitted in a non-contact mode, direct contact with the high-temperature food container and the high-temperature electromagnetic coils can be avoided, temperature influences are small, and performance is stable and reliable. In addition, no driving circuit needs to be added, the structure is simple, and cost is low.

Description

【Technical field】 [0001] The invention relates to the field of kitchen appliances, in particular to a food cooking appliance. 【Background technique】 [0002] Ultrasound has a good effect on the extraction of ingredients, and it has a good effect on the precipitation of food nutrients. Products that combine ultrasound and household kitchen appliances have appeared in the industry. The main technical scheme adopted by these products is that an ultrasonic transducer is arranged on the food container, and the ultrasonic transducer is driven by an ultrasonic generating circuit to generate ultrasonic waves. [0003] However, the main part of the ultrasonic transducer is the piezoelectric ceramic material inside, which has poor temperature resistance, and its performance is unstable or even damaged when it comes into contact with high-temperature food containers. In addition, there are also major technical difficulties in the connection between the ultrasonic transducer and the fo...

AI Technical Summary

Problems solved by technology

[0003] However, the main part of the ultrasonic transducer is the piezoelectric ceramic material inside. This material has poor temperature resistance, and its performance is unstable or even damaged when it comes into contact with high-temperature food containers.

In addition, there are also major technical difficulties in the connection between the ultrasonic transducer and the food container. Due to the cavitation effect of the ultrasonic wave, the connection is not tight, and it may even lead to the risk of cavitation damage at the connection between the food container and the ultrasonic transducer.

Moreover, the cost of the ultrasonic transducer and its driving circuit is also relatively high

Based on the above factors, the application of ultrasound in kitchen appliances has been greatly restricted

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