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Cookware, preparation method thereof and cooking equipment

A pot and square technology, applied to the structure of cooking utensils, special materials for cooking utensils, cooking utensils, etc., can solve the problems affecting the accuracy of the sensor, the magnetic layer and the temperature sensor are not in close contact, etc., to achieve good compactness, Good binding force and improved compactness

Pending Publication Date: 2021-03-30
FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the magnetic layer is not in close contact with the temperature sensor, which seriously affects the accuracy of the sensor

Method used

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  • Cookware, preparation method thereof and cooking equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Degrease and degrease the outer surface of the base material of the aluminum alloy pan;

[0047] Through the first cold spraying, the first magnetic conduction area is formed on the outer surface of the bottom of the pot base material, wherein the spraying pressure of the first cold spraying is 6Mpa, and the spraying temperature is 1000°C;

[0048] Through the second cold spraying, a second magnetically permeable region is formed on the outer surface of the pot base material and around the first magnetically permeable region, wherein the spraying pressure of the second cold spraying is 3Mpa, and the spraying temperature is 600°C.

[0049] Wherein, the surface roughness Ra of the first magnetically permeable area is 1 micron, and the porosity is 0.1%; the surface roughness Ra of the second magnetically permeable area is 6 micron, and the porosity is 2.5%.

[0050] The accuracy test method of the temperature sensor: use the temperature inspection instrument, arrange the p...

Embodiment 2

[0056] Degrease and degrease the outer surface of the base material of the aluminum alloy pan;

[0057] Through the first cold spraying, the first magnetic conduction area is formed on the outer surface of the bottom of the pot base material, wherein the spraying pressure of the first cold spraying is 4Mpa, and the spraying temperature is 950°C;

[0058] Through the second cold spraying, a second magnetically permeable region is formed on the outer surface of the pot base material and around the first magnetically permeable region, wherein the spraying pressure of the second cold spraying is 4.5Mpa, and the spraying temperature is 700°C.

[0059] Wherein, the surface roughness Ra of the first magnetically permeable area is 2 microns, and the porosity is 0.5%; the surface roughness Ra of the second magnetically permeable area is 5.2 micron, and the porosity is 2%.

[0060] The accuracy test method of temperature sensor is identical with embodiment 1, and test result is:

[006...

Embodiment 3

[0066] Degrease and degrease the outer surface of the base material of the aluminum alloy pan;

[0067] Through the first cold spraying, the first magnetic conduction area is formed on the outer surface of the bottom of the pot base material, wherein the spraying pressure of the first cold spraying is 3.6Mpa, and the spraying temperature is 900°C;

[0068] Through the second cold spraying, a second magnetically permeable region is formed on the outer surface of the pot base material and around the first magnetically permeable region, wherein the spraying pressure of the second cold spraying is 4.6Mpa, and the spraying temperature is 800°C.

[0069] Wherein, the surface roughness Ra of the first magnetically permeable area is 3 microns, and the porosity is 1%; the surface roughness Ra of the second magnetically permeable area is 2 microns, and the porosity is 0.8%.

[0070] Test method is identical with embodiment 1, and test result is:

[0071] At 1 minute, the temperature of...

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Abstract

The invention provides cookware , a preparation method thereof and cooking equipment. The cookware comprises a cookware base material; a magnetic conductive coating which is arranged on the outer surface of the cookware base material, wherein the magnetic conductive coating comprises a first magnetic conductive area and a second magnetic conductive area, the second magnetic conductive area is arranged around the first magnetic conductive area, and the first magnetic conductive area is located at the bottom of the cookware base material; the first magnetic conductive area and the second magnetic conductive area meet at least one of the following conditions: the porosity of the first magnetic conductive area is smaller than that of the second magnetic conductive area ; and the surface roughness of the first magnetic conductive area is smaller than that of the second magnetic conductive area. Therefore, when the cookware is matched with the electromagnetic heating coil panel arranged outside the cookware for use, the contact area of the first magnetic conductive area and the temperature sensor is large, the heat transmission efficiency can be effectively improved, and the preparationdifficulty and the preparation cost can be relatively reduced due to the fact that the second magnetic conductive area is relatively large in porosity and / or surface roughness. And a good magnetic conduction heating function of the cookware is still ensured.

Description

technical field [0001] The present invention relates to the technical field of cooking utensils, and in particular, relates to cooking utensils, a preparation method thereof and cooking equipment. Background technique [0002] Aluminum alloy, 304 stainless steel and other materials are widely used in household appliances, but the electromagnetic heating function of these non-magnetic or weakly magnetically permeable pans is not ideal. In order to improve the electromagnetic heating function of the pan, usually A layer of magnetic conduction layer is arranged on the surface, and induction heating is carried out under the eddy current effect formed by the magnetic conduction layer on the outer surface of the pot under the action of a high-frequency alternating magnetic field. However, the magnetic conductive layer is not in close contact with the temperature sensor, which seriously affects the accuracy of the sensor. [0003] Therefore, the cookware for electromagnetic heatin...

Claims

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Application Information

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IPC IPC(8): A47J27/00A47J36/02
CPCA47J27/002A47J36/025
Inventor 李兴航曹达华钟春发周瑜杰王婷
Owner FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MFG CO LTD
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