Ultra-large type high-oxygen-index wave-absorbing material structure

Abstract

The utility model relates to the technical field of wave-absorbing materials, in particular to an ultra-large type high-oxygen-index wave-absorbing material structure which comprises a conical tip, a conical body and a base, the conical body is fixedly connected with the base and located at the upper end of the base, the conical tip is fixedly connected with the conical body and located at the upper end of the conical body, the conical body comprises four EPS frameworks and trapezoid wave-absorbing sponge, and the trapezoid wave-absorbing sponge is arranged on the conical tip. The four EPS frameworks enclose to form a hollow framework, the number of the trapezoidal wave-absorbing sponges is four, each wave-absorbing sponge is fixedly connected with the corresponding EPS framework and located on one side of the corresponding EPS framework, and the four trapezoidal wave-absorbing sponges enclose one another. The purposes of uniform material dipping, stable oxygen index, shortened drying time and improved production efficiency are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of wave absorbing materials, in particular to an ultra-large high oxygen index wave absorbing material structure. Background Art

[0002] At present, the absorbing material for microwave darkroom uses soft polyurethane open-cell foam as the base material, which is then cut into pyramidal shapes. It is made by impregnating flame-retardant coating that absorbs electromagnetic waves into the polyurethane foam, drying it, and then installing it in the darkroom with adhesive.

[0003] In the prior art, a prepared microwave-absorbing flame-retardant coating is impregnated and extruded into a soft polyurethane foam, and then dried to obtain a pyramid-shaped microwave-absorbing material.

[0004] However, in the prior art, the height and thickness of the super-large pyramidal absorbing material are too large, which makes it difficult to evenly impregnate the soft polyurethane sponge during the impregnation process, white spots are easily formed inside, and the flame retardant is unevenly distributed, making it difficult for the oxygen index sampled in any area of ​​the material to meet ≥32%, and the drying time of the material is long, so the material production efficiency is low. The super-large high oxygen index pyramidal absorbing material is not suitable for large-scale production. Utility Model Content

[0005] The utility model aims to provide an ultra-large high oxygen index absorbing material structure, aiming to solve the technical problems in the prior art that the ultra-large pyramid absorbing material is too high in height and thickness, resulting in that the soft polyurethane sponge is not easy to be evenly impregnated during the impregnation process, white spots are easily formed inside, and the flame retardant is unevenly distributed, resulting in that the oxygen index sampled and measured in any area of ​​the material is difficult to meet ≥32%, the material production takes a long time to dry, and the material production efficiency is low.

[0006] To achieve the above purpose, the utility model adopts an ultra-large high oxygen index absorbing material structure, including a cone tip, a cone and a base, the cone is fixedly connected to the base and is located at the upper end of the base, and the cone tip is fixedly connected to the cone and is located at the upper end of the cone.

[0007] Among them, the cone includes an EPS frame and a trapezoidal absorbing sponge. The number of the EPS frame is four, and the four EPS frames are enclosed to form a hollow frame. The number of the trapezoidal absorbing sponges is four, and each of the absorbing sponges is fixedly connected to the corresponding EPS frame and is respectively located on one side of the corresponding EPS frame, and the four trapezoidal absorbing sponges are enclosed with each other.

[0008] Wherein, the base adopts a square structure with a side length of 500mm to 600mm.

[0009] Wherein, the thickness of the base is 150mm to 300mm.

[0010] Wherein, the oxygen index of the cone tip, the base and the four trapezoidal absorbing sponges is ≥32%.

[0011] The beneficial effects of the super-large high oxygen index absorbing material structure of the utility model are: achieving uniform material impregnation, stable oxygen index, shortening drying time and improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 The utility model is a structural schematic diagram of a super-large high oxygen index absorbing material structure.

[0014] Figure 2 It is a structural perspective view of the cone of the utility model.

[0015] 1-cone tip, 2-cone body, 3-base, 4-EPS skeleton, 5-trapezoidal wave-absorbing sponge. DETAILED DESCRIPTION

[0016] See also Figure 1 and Figure 2 The utility model provides an ultra-large high oxygen index absorbing material structure, including a cone tip 1, a cone 2 and a base 3, wherein the cone 2 is fixedly connected to the base 3 and is located at the upper end of the base 3, and the cone tip 1 is fixedly connected to the cone and is located at the upper end of the cone.

[0017] Furthermore, the cone includes an EPS frame 4 and a trapezoidal absorbing sponge 5, the number of the EPS frame 4 is four, and the four EPS frames 4 are enclosed to form a hollow frame, the number of the trapezoidal absorbing sponges 5 is four, each of the absorbing sponges is fixedly connected to the corresponding EPS frame 4, and is respectively located on one side of the corresponding EPS frame 4, and the four trapezoidal absorbing sponges 5 are enclosed with each other.

[0018] Furthermore, the base 3 adopts a square structure with a side length of 500 mm to 600 mm.

[0019] Furthermore, the base 3 has a thickness of 150 mm to 300 mm.

[0020] Furthermore, the oxygen index of the cone tip 1, the base 3 and the four trapezoidal absorbing sponges 5 is ≥32%.

[0021] In this embodiment, the sponge substrate is cut according to the shape requirements of the cone tip 1, and processed into the cone tip 1 through an impregnation and drying process;

[0022] The four EPS frames 4 are formed into a hollow frame using an adhesive, and then the adhesive is applied to the surfaces of the four EPS frames 4, and the four trapezoidal absorbing sponges 5 are respectively attached to the outer walls of the corresponding EPS frames 4, and the excess parts are removed using a sponge straight cutting machine to form the cone 2;

[0023] The sponge substrate is cut according to the size of the base 3, and processed into the base 3 through an impregnation and drying process;

[0024] Finally, the cone tip 1, the cone body 2 and the base 3 are bonded and fixed in sequence.

[0025] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope covered by the utility model.

Claims

1. An ultra-large high oxygen index absorbing material structure, characterized in that: It comprises a cone tip, a cone body and a base, wherein the cone body is fixedly connected to the base and is located at the upper end of the base, and the cone tip is fixedly connected to the cone body and is located at the upper end of the cone body.

2. The ultra-large high oxygen index absorbing material structure according to claim 1, characterized in that: The cone includes an EPS frame and a trapezoidal absorbing sponge. The number of the EPS frame is four, and the four EPS frames are enclosed to form a hollow frame. The number of the trapezoidal absorbing sponges is four, and each of the absorbing sponges is fixedly connected to the corresponding EPS frame and is respectively located on one side of the corresponding EPS frame, and the four trapezoidal absorbing sponges are enclosed with each other.

3. The ultra-large high oxygen index absorbing material structure according to claim 1, characterized in that: The base adopts a square structure with a side length of 500mm to 600mm.

4. The ultra-large high oxygen index absorbing material structure according to claim 3, characterized in that: The base has a thickness of 150 mm to 300 mm.

5. The ultra-large high oxygen index absorbing material structure according to claim 2, characterized in that: The oxygen index of the cone tip, the base and the four trapezoidal absorbing sponges is ≥32%.

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