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Convection type heating unit in electric microwave oven

A technology for heating devices and microwave ovens, which is applied to electric heating fuel, lighting and heating equipment, household heating, etc. It can solve problems such as fan motor cooling, increase volume, reduce manufacturing costs, and ensure reliability.

Inactive Publication Date: 2005-06-15
LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

but, figure 2 The shown heating device cannot rely on the exhaust fan assembly 27 to cool the fan motor 33', but must additionally arrange a cooling fan (not shown) on the outside of the heater cover 35 to cool the fan motor 33'

Method used

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  • Convection type heating unit in electric microwave oven
  • Convection type heating unit in electric microwave oven
  • Convection type heating unit in electric microwave oven

Examples

Experimental program
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Embodiment Construction

[0038] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0039] image 3 It is a schematic cross-sectional structure diagram of a specific embodiment of an electronic microwave oven using the convection heating device of the electronic microwave oven of the present invention; Figure 4 for image 3 Schematic diagram of the structure of the electric control room described in; Figure 5 for image 3 Schematic diagram of the structure of the convection heater described in .

[0040] Such as image 3 , Figure 4 and Figure 5 As shown, the structure of the electronic microwave oven adopting the convection heating device of the electronic microwave oven of the present invention is: a cooking chamber 41 is arranged in the cavity 40 surrounded by the frame, and the cooking chamber 41 is a space for cooking food, and the bottom surface of the cooking chamber 41 A turntable 43 for placing food is arrang...

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PUM

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Abstract

The invention discloses a convection type heating device of electronic microwave oven. It includes convection heater, convection fan, heater cover and fan motor. Said invention also provides the connection mode of the above-mentioned all the components, can not noly increase volume of the cooking chamber, but also can utilize one cooling fan for cooling electric components.

Description

technical field [0001] The invention relates to an electronic microwave oven, in particular to a convection heating device for the electronic microwave oven. Background technique [0002] figure 1 It is a schematic cross-sectional structure diagram of an existing electronic microwave oven. Such as figure 1 As shown, the inner cavity 10 of the electronic microwave oven forms a cooking chamber 11 for cooking food. The bottom surface of the cooking chamber 11 is provided with a turntable 13 for placing food. It rotates under the drive of the turntable drive motor 13'. [0003] The right side of described cooking chamber 11 is provided with electric control room 15, is provided with electrical parts such as magnetron 17 and high-voltage transformer 18 that are used to produce microwave in the electric control room 15; A cooling fan 19 for electrical components and a cooling motor 19' for driving the cooling fan 19. [0004] A convection heater 21 is arranged above the cooki...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24C7/02
Inventor 金圭英
Owner LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD