a food cooking utensil
A technology for cooking utensils and food, applied in the field of food cooking utensils, can solve the problems of unstable performance, high cost and damage of an ultrasonic transducer and its driving circuit
Active Publication Date: 2017-11-07
JOYOUNG CO LTD
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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
Method used
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Embodiment approach 1
[0032] see Figure 1 to Figure 3 As shown, the present embodiment takes the electromagnetic heating rice cooker as an example to illustrate the technical solution of the present invention. The food cooking appliance includes a food container 11 , an electromagnetic heating device 12 , and a cover 13 . The food container 11 is placed above the electromagnetic heating device 12 , and the cover 13 is fastened to the food container 11 . The electromagnetic heating device 12 includes a body 121 , an electromagnetic coil 122 , and a control circuit board. The electromagnetic coil 122 is located in the body, and the control circuit board is electrically connected to the electromagnetic coil 122 . Described electromagnetic heating device 12 is also provided with vibrating plate 14, and described vibrating plate 14 is installed on the top of electromagnetic coil 122, and the upper surface of vibrating plate 14 and electromagnetic coil 122 is provided with the vibration space 141 that v...
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The invention relates to a food cooking appliance, which includes a food container and an electromagnetic heating device. The food container is placed above the electromagnetic heating device. The electromagnetic heating device includes a body, an electromagnetic coil, and a control circuit board. The electromagnetic coil is connected, and the electromagnetic heating device is also provided with a vibrating plate. The vibrating plate, the upper surface of the electromagnetic coil and the bottom surface of the food container are all provided with a vibration space. The vibrating plate induces the alternating magnetic field of the electromagnetic coil to generate ultrasonic waves. In the present invention, a vibrating plate is arranged above the electromagnetic coil to induce an electromagnetic field to generate an ultrasonic wave, and the ultrasonic wave acts on food in a food container to improve the taste of the food, thereby realizing the application of the ultrasonic wave to kitchen appliances. The invention generates and transmits ultrasonic waves in a non-contact manner, does not directly contact high-temperature food containers and electromagnetic coils, has little temperature influence, and has stable and reliable performance. In addition, there is no need to set up a driving circuit, and the structure is simple and the 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...
Claims
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IPC IPC(8): A47J27/00A47J36/24
Inventor 朱泽春李铁君钱海针张建财
Owner JOYOUNG CO LTD