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Infrared heating device and electric heating appliance

An infrared heating and infrared heating film technology, applied in the fields of electric heating appliances and infrared heating devices, can solve the problems of uneven heating, the heating carrier cannot meet the conditions of use, etc., and achieve the effect of consistent resistivity and guaranteed heating power.

Active Publication Date: 2016-10-05
FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MFG CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in actual use, the square heating carrier sometimes cannot meet the requirements of the use conditions, so an infrared heating plate with an irregular square plane (such as: special shape) is required to meet the use conditions
However, taking a disc-shaped heating plate as an example, the resistivity between the center of the circle and the outer side is inconsistent, which will cause the current to pass through the shortest path close to the center of the circle, so that the temperature of the center of the heating plate will be much higher than the temperature of the edge of the plate, resulting in uneven heating , and other problems arise

Method used

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  • Infrared heating device and electric heating appliance
  • Infrared heating device and electric heating appliance
  • Infrared heating device and electric heating appliance

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] Such as Figure 2a and Figure 2b As shown, on the infrared heating film layer 3, along the radial direction of the insulating carrier 1, from the center of the insulating carrier 1 to the edge of the insulating carrier 1, the infrared heating film layer 3 The thickness gradually increases.

[0057] On the same infrared heating film layer, from the center of the insulating carrier to the edge of the insulating carrier, the thickness of the infrared heating film layer gradually increases, so that the ratio of the length and cross-sectional area of ​​the inner and outer sides of the same infrared heating film layer is equal, so that the same infrared heating film layer The resistivity of the inside and outside of the film layer is basically unchanged, which is beneficial to ensure that the resistivity of the uniform infrared heating film layer is consistent, and then helps to ensure that the heating power of the infrared heating device is consistent.

[0058] further, s...

Embodiment 2

[0061] Such as Figure 3a and Figure 3b As shown, on the infrared heating film layer 3, along the radial direction of the insulating carrier 1, from the center of the insulating carrier 1 to the edge of the insulating carrier 1, the infrared heating film layer 3 The thickness remains the same.

[0062] On the same infrared heating film layer, from the center of the insulating carrier to the edge of the insulating carrier, the thickness of the infrared heating film layer remains unchanged, the cross-section of the infrared heating film layer is rectangular, and the cross-sectional area is easy to calculate. It is easier to implement the scheme of increasing the cross-sectional area of ​​the infrared heating film layer by increasing the ratio, and the processing is convenient.

[0063] In one embodiment of the present invention, the insulating carrier 1 is circular, the cross-sections of the plurality of infrared heating film layers 3 are circular, and the connecting lines of...

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Abstract

The invention provides an infrared heating device and an electric heating appliance. The infrared heating device comprises an insulating carrier, two electrodes and a plurality of infrared heating films which are arranged at intervals, wherein the two electrodes are both arranged in a radial direction of the insulating body; the plurality of infrared heating films are all attached to the insulating carrier, each infrared heating film is arranged along a circumferential direction of the insulating carrier, the plurality of infrared heating films are arranged along the radial direction of the insulating carrier, and each infrared heating film is respectively contacted with the two electrodes. In the plurality of infrared heating films, the ratio of the sectional area of the longitudinal section of each infrared heating film to the length of the infrared heating film is the same. Through the technical scheme provided by the invention, a conductive area between the two electrodes of the irregular square planar infrared heating device is ensured to be consistent in resistivity, and thus each part of the infrared heating device is ensured to be consistent in heating power.

Description

technical field [0001] The invention relates to the field of household appliances, and more specifically, to an infrared heating device and an electric heating appliance. Background technique [0002] The current well-known spraying technology is to make parallel electrodes on a regular square heating carrier plane, so as to ensure that the resistivity of the conductive area between the parallel electrodes is consistent, and then the heating power is consistent. However, in actual use, the square heating carrier sometimes cannot meet the requirements of the use conditions, so an infrared heating plate with an irregular square plane (such as: irregular shape) is required to meet the use conditions. However, taking a disc-shaped heating plate as an example, the resistivity between the center of the circle and the outer side is inconsistent, which will cause the current to pass through the shortest path close to the center of the circle, so that the temperature of the center of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B3/20H05B3/10H05B3/02
Inventor 房振尹善章张建亮王新元张贵林
Owner FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MFG CO LTD
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