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Electromagnetic wave shielding structure and device using same

A technology of shielding structure and shielding device, applied in the electromagnetic field, can solve the problems of no three-layer center conductor structure, inability to shield multiple frequencies, etc., and achieve the effect of ensuring safety

Inactive Publication Date: 2019-06-14
DOTWIL INTELLIGENT TECH CO LTD
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Problems solved by technology

[0011] The above-mentioned prior art 5 does not have a three-layer central conductor structure, and cannot shield multiple frequencies

Method used

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  • Electromagnetic wave shielding structure and device using same
  • Electromagnetic wave shielding structure and device using same
  • Electromagnetic wave shielding structure and device using same

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Embodiment Construction

[0036] The present invention will be described in detail below with reference to specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that several changes and modifications can be made by those skilled in the art without departing from the inventive concept.

[0037] like Figure 1 to Figure 6 As shown, the present invention can simultaneously shield at least two electromagnetic wave shielding structures of microwave oven / thawing oven doors with different operating frequencies, including a central conductor 1, an inner ring shielding structure, and an outer ring shielding structure; the inner and outer ring shielding structures are used to shield different working frequency. The shielding structure of the inner and outer rings consists of mounting conductors 2 and hook-shaped open-circuit panels 3 (shielding "hooks") bent inwardly wit...

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Abstract

The invention provides an electromagnetic wave shielding structure and a device using the same. The electromagnetic wave shielding structure comprises a center conductor and shielding structures, N layers of the shielding structures are circularly arranged on the outer side of the center conductor, and N is a positive integer; the shielding structure comprises mounting conductors and circuit opening panels, the mounting conductors are circularly arranged on the outer side of the center conductor, one ends of the circuit opening panels are connected with the mounting conductors, and the other ends of the circuit opening panels are in bending shapes. Compared with the prior art, the electromagnetic wave shielding structure has the following advantages that the multi-layer multi-frequency shielding structure is adopted, the problem of radio frequency radiation leakage adopting two or more microwave ovens / unfreezing ovens with different frequencies is solved, and thus the safety of using the microwave ovens / unfreezing ovens with multiple radio frequency feed sources is guaranteed.

Description

technical field [0001] The invention belongs to the electromagnetic field, and relates to an electromagnetic wave shielding structure, in particular to an electromagnetic wave shielding structure used for a door of a multifunctional microwave oven / thawing furnace and a device using the structure. Background technique [0002] The door of a microwave oven or thawing oven is used to solve the problem of radio frequency radiation leakage and ensure the safety of using the microwave oven or thawing oven. But current microwave or thawing oven doors can only block a single frequency. [0003] Prior art 1, Chinese invention patent "Electromagnetic wave shielding structure of microwave oven door" (application number: 200410071953.3) discloses an electromagnetic wave shielding structure of microwave oven door, including a door installed at the opening of the microwave oven grill cavity, a door frame, and one side end of the door frame is provided with There are door hooks, the door ...

Claims

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Application Information

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IPC IPC(8): F24C15/02H05B6/76F24C7/02
Inventor 殷为民弗兰克.李虢超
Owner DOTWIL INTELLIGENT TECH CO LTD
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