Novel microwave oven fragile disc

By using a microwave oven brittle dish made of plastic and coated with a ferrite powder-silicon composite coating, the problem of poor microwave radiation absorption capacity caused by metal plates is solved, and more efficient microwave energy absorption and heating performance is achieved.

CN222210430UActive Publication Date: 2024-12-20WHIRLPOOL PROD DEV SHENZHEN
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Patent Information

Application Number
CN202322926696.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-10-31
Publication Date
2024-12-20
Estimated Expiration
2033-10-31

AI Technical Summary

Technical Problem

The existing microwave oven brittle disks have low microwave radiation absorption efficiency due to the conductive characteristics of the metal plate, and electromagnetic shielding reduces the conversion efficiency of microwave energy, resulting in a longer heating time.

Method used

A microwave oven brittle dish made of plastic is coated with a ferrite powder-silicon composite coating on its surface. The ferrite powder-silicon composite coating can absorb microwave radiation from the top and bottom, improving microwave absorption capacity.

Benefits of technology

It improves the heating speed and cooking performance of the microwave oven, avoids electromagnetic shielding problems, and improves the absorption efficiency of microwave energy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of microwave oven fragile disks, and discloses a novel microwave oven fragile disk, which comprises a fragile disk body, the fragile disk body is made of plastic, the fragile disk body is provided with a bottom plate, four side plates and a square-frame-shaped flange, the bottom plate is used for bearing articles, and the surface of the fragile disk body is coated with a ferrite powder-organic silicon composite coating. The brittle disc body is made of plastic, electromagnetic shielding cannot be caused to microwave radiation, the plastic is transparent to the microwave radiation, and the ferrite powder-organic silicon composite coating can absorb the microwave radiation from the top and the bottom of the brittle disc body, so that the microwave absorption capacity and efficiency are improved, and the capacity transfer is improved; and finally, the heating speed and the cooking performance are reflected.
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Description

Technical Field

[0001] The utility model relates to the technical field of microwave oven crisp trays, in particular to a new microwave oven crisp tray. Background Art

[0002] A microwave crisp tray is a tray placed in the microwave cavity and used to carry food. Existing microwave crisp trays are generally made of aluminum alloy or other metal materials, and are coated with ferrite powder-silicone composite materials on the ground or outer surface. The inner side of the crisp tray is usually coated with an easy-to-clean coating, such as polytetrafluoroethylene or other coatings that can come into contact with food. Ferrite powder-silicone composite materials are key functional components of crisp trays. Ferrite powder is a microwave absorber that absorbs microwave radiation to generate heat. Silica gel is mixed with ferrite powder as an adhesive in a predetermined mixing ratio, and then coated on the bottom of the metal plate by hot pressing.

[0003] Since the existing microwave oven crisping pan is made of metal, due to the conductive properties of the metal plate, the ferrite powder-silicone composite coating applied on the back is not efficient enough in absorbing microwave radiation when working at 2.45 GHZ. This is mainly due to the electromagnetic shielding of the metal crisping pan, which reduces the efficiency of microwave radiation absorption and microwave energy conversion into heat energy. The metal plate shields the microwave radiation fed from the top of the microwave oven cavity, resulting in limited microwave radiation absorption, which leads to limited microwave radiation absorption capacity and waste of microwave energy generated by the magnetron. In addition, the poor microwave radiation absorption capacity also leads to a longer time required to heat the thin plate to cook food, which can be further improved. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a new microwave oven crisp plate, which has the advantages of strong microwave radiation absorption capacity, etc., and solves the problem that metal plates shield microwave radiation, resulting in poor microwave radiation absorption capacity.

[0006] (II) Technical solution

[0007] In order to achieve the above-mentioned purpose of strong microwave radiation absorption ability, the utility model provides the following technical solutions: a new microwave oven crisp plate, including a crisp plate body, the crisp plate body is made of plastic, the crisp plate body has a bottom plate for carrying items, four side plates and a square frame flange, and the surface of the crisp plate body is coated with a ferrite powder-silicone composite coating.

[0008] Preferably, the ferrite powder-organic silicon composite coating is coated on the bottom of the crisp disk body.

[0009] Preferably, the ferrite powder-organic silicon composite coating is coated on the top surface of the crisp disk body.

[0010] Preferably, the ferrite powder-organic silicon composite coating is coated on the bottom and top surface of the crisp disk body.

[0011] Preferably, a plurality of through holes are formed through the bottom plate of the brittle disk body, the ferrite powder-silicone composite coating is provided with a connecting portion filled inside the through holes, and the ferrite powder-silicone composite coating at the top and bottom of the bottom plate of the brittle disk body are connected via the connecting portion.

[0012] Preferably, a plurality of guide holes are formed through the surfaces of the four side plates of the crisp disk body.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the utility model provides a new microwave crisp plate, which has the following beneficial effects:

[0015] The new microwave crisp plate has a plastic body that does not cause electromagnetic shielding of microwave radiation. Plastic is transparent to microwave radiation. The ferrite powder-silicone composite coating can absorb microwave radiation from the top and bottom of the crisp plate body, thereby improving microwave absorption capacity and efficiency. The energy transfer is improved, which is ultimately reflected in the heating rate and cooking performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional structural schematic diagram of a second embodiment of a novel microwave crisp plate proposed by the utility model;

[0017] Figure 2 This is a three-dimensional cross-sectional structural schematic diagram of a fourth embodiment of a novel microwave crisp plate proposed by the utility model;

[0018] Figure 3 This is a schematic diagram of the three-dimensional structure of the fourth embodiment of a new microwave crisp plate proposed by the utility model, in which the ferrite powder-organic silicon composite coating is removed.

[0019] In the figure: 1. crisp disk body; 2. ferrite powder-silicone composite coating; 3. through hole; 4. connecting part; 5. guide hole. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-3 A new microwave crisp tray includes a crisp tray body 1, which is made of plastic. The crisp tray body 1 has a bottom plate for carrying items, four side plates and a square frame flange. The surface of the crisp tray body 1 is coated with a ferrite powder-organic silicon composite coating 2. Qualified ferrite powder with appropriate Curie temperature (Tc) and dielectric loss factor is mixed with silicone resin in a predetermined proportion and then coated on the surface of the crisp tray body 1. Since plastic is transparent to microwave radiation, it will not cause electromagnetic shielding to microwave radiation, so that microwave radiation can be absorbed from the top and bottom of the crisp tray body 1, thereby improving microwave absorption capacity and efficiency. A plurality of guide holes 5 are opened through the surface of the four side plates of the crisp tray body 1. Ensure the air flow effect on the side when heating food and ensure hot air convection.

[0022] Embodiment 1: The ferrite powder-organic silicon composite coating 2 is coated on the bottom of the crisp disk body 1 .

[0023] Embodiment 2: The ferrite powder-organic silicon composite coating 2 is coated on the top surface of the crisp disk body 1 .

[0024] Embodiment 3: The ferrite powder-organic silicon composite coating 2 is coated on the bottom and top surface of the crisp disk body 1 .

[0025] Embodiment 4: A plurality of through holes 3 are formed on the bottom plate of the crisp disk body 1, and the ferrite powder-organic silicon composite coating 2 is provided with a connecting portion 4 filled in the through hole 3, and the ferrite powder-organic silicon composite coating 2 on the top and bottom of the bottom plate of the crisp disk body 1 is connected through the connecting portion 4. The ferrite powder-organic silicon composite coating 2 on the top and bottom of the crisp disk body 1 is connected together, and the connection between the ferrite powder-organic silicon composite coating 2 and the crisp disk body 1 is made more firm.

[0026] Working principle: Since the crisp plate body 1 is made of plastic, it will not cause electromagnetic shielding to microwave radiation. Plastic is transparent to microwave radiation. The ferrite powder-silicone composite coating 2 can absorb microwave radiation from the top and bottom of the crisp plate body 1, improve microwave absorption capacity and efficiency, and improve energy transfer, which is ultimately reflected in the heating speed and cooking performance.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A novel microwave crisp tray, comprising a crisp tray body (1), characterized in that: The crisp disk body (1) is made of plastic material, and comprises a bottom plate for carrying items, four side plates and a square frame flange, and the surface of the crisp disk body (1) is coated with a ferrite powder-organic silicon composite coating (2); The bottom plate of the crisp disk body (1) is provided with a plurality of through holes (3), the ferrite powder-organic silicon composite coating (2) is provided with a connecting portion (4) filled in the through holes (3), and the ferrite powder-organic silicon composite coating (2) at the top and bottom of the bottom plate of the crisp disk body (1) are connected via the connecting portion (4); and the surfaces of the four side plates of the crisp disk body (1) are all provided with a plurality of guide holes (5).

2. The novel microwave crisp plate according to claim 1, characterized in that: The ferrite powder-organic silicon composite coating (2) is coated on the bottom of the crisp disk body (1).

3. The novel microwave crisp plate according to claim 1, characterized in that: The ferrite powder-organic silicon composite coating (2) is coated on the top surface of the crisp disk body (1).

4. The novel microwave crisp plate according to claim 1, characterized in that: The ferrite powder-organic silicon composite coating (2) is coated on the bottom and top surface of the crisp disk body (1).