Radome suitable for high-altitude and alpine regions

Abstract

The utility model belongs to the technical field of radomes, and relates to a radome suitable for high-altitude and alpine regions, which comprises a first skin layer, a second skin layer, a middle interlayer, a third skin layer and a fourth skin layer which are sequentially arranged, the first skin layer, the second skin layer, the middle interlayer, the third skin layer and the fourth skin layer are bonded with one another, and the first skin layer, the second skin layer, the third skin layer and the fourth skin layer are all glass fiber dry cloth; according to the antenna housing suitable for the high-altitude and high-cold areas, the multiple layers of glass fiber dry cloth are overlapped and bonded to form an integral structure, so that the integral strength of the antenna housing is enhanced, the problems of deformation and aging caused by environmental factors such as temperature difference change and strong wind invasion are effectively resisted, and the service life of the antenna housing is prolonged. The antenna housing is ensured to reliably operate in a severe environment for a long time, and is suitable for high-altitude and alpine regions.

Description

Technical Field

[0001] This utility model relates to the field of radome technology, and to a radome suitable for high-altitude and cold regions. Background Technology

[0002] As a crucial component protecting antennas from external environmental interference, the radome plays a vital role in various communication systems. Especially in high-altitude and frigid regions, the radome must not only meet performance requirements under normal conditions but also withstand extreme climatic conditions. These areas present extremely harsh environmental conditions, including but not limited to drastic temperature variations, high pressure and low oxygen, strong winds, and high-intensity ultraviolet radiation.

[0003] Existing technologies have conducted some research on radomes. See the patent document with application number 201520504967.3, which discloses that the radome includes: a radome body, the radome body surrounds a cavity to accommodate the antenna, the radome body includes a wave-transparent structure layer, the wave-transparent structure layer includes a skin layer and a metal perforated layer, and the metal perforated layer is disposed between two adjacent skin layers or on the outer surface of the skin layer.

[0004] Therefore, this radome can ensure high penetration of the electromagnetic waves emitted by the antenna within its operating frequency band, while preventing electromagnetic waves outside the operating frequency band from penetrating and interfering with the antenna's normal operation, thus providing better protection for the antenna's normal functioning. However, the complex climatic conditions in high-altitude and frigid regions can easily lead to aging, deformation, or reduced strength of the radome under such conditions, resulting in surface depressions. These depressions can cause the antenna beam to deviate from its intended direction, affecting the antenna's communication quality and coverage. Utility Model Content

[0005] In order to solve the technical problem in the background art that antenna radomes in high-altitude and cold regions are prone to surface depressions, which in turn cause the antenna beam to deviate from the expected direction, this utility model provides an antenna radome suitable for high-altitude and cold regions.

[0006] This utility model is suitable for radomes in high-altitude and frigid regions. It consists of a first skin layer, a second skin layer, an intermediate layer, a third skin layer, and a fourth skin layer arranged sequentially. The first, second, third, and fourth skin layers are all made of fiberglass dry cloth. Fiberglass dry cloth has characteristics such as high strength, corrosion resistance, wear resistance, and good dimensional stability. It has high durability under extreme climatic conditions in high-altitude and frigid regions. The radome of this utility model, suitable for high-altitude and frigid regions, forms an integral structure through the superposition and bonding of multiple layers of fiberglass dry cloth, which enhances the overall strength of the radome and effectively resists deformation and aging caused by environmental factors such as temperature changes and strong winds. This ensures the reliable operation of the radome in long-term harsh environments and makes it suitable for high-altitude and frigid regions.

[0007] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0008] A radome suitable for high-altitude and cold regions includes a first skin layer, a second skin layer, an intermediate layer, a third skin layer, and a fourth skin layer arranged sequentially; the first skin layer, the second skin layer, the intermediate layer, the third skin layer, and the fourth skin layer are bonded to each other, and the first skin layer, the second skin layer, the third skin layer, and the fourth skin layer are all made of dry fiberglass cloth.

[0009] In one specific implementation, a polydopamine layer is adhered to the surface of the glass fiber dry cloth; a nano-clay layer is filled in the gap between the glass fiber dry cloth and the polydopamine layer.

[0010] In one specific feasible implementation, the density of the glass fiber dry cloth is in the range of 190 g / m³. 2 ~210g / m 2 .

[0011] In one specific implementation, the thickness of both the first skin layer and the fourth skin layer ranges from 0.1 mm to 0.15 mm.

[0012] In one specific feasible implementation, the thickness of both the second skin layer and the third skin layer is 0.2 mm to 0.25 mm.

[0013] In one specific implementation, the intermediate interlayer is a polyurethane foam layer.

[0014] In one specific implementation, the density of the polyurethane foam layer is in the range of 60 kg / m³. 3 ~80kg / m 3 .

[0015] In one specific implementation, the radome further includes an epoxy resin layer; the epoxy resin layer is adhered to the gaps between the first skin layer, the second skin layer, the intermediate interlayer, the third skin layer, and the fourth skin layer.

[0016] In one specific implementation, the radome further includes a curing agent that fills the epoxy resin layer.

[0017] In summary, this utility model has the following beneficial technical effects:

[0018] 1. This utility model is applicable to radomes in high-altitude and frigid regions. It consists of a first skin layer, a second skin layer, an intermediate layer, a third skin layer, and a fourth skin layer arranged sequentially. The first, second, third, and fourth skin layers are all made of fiberglass dry cloth. Fiberglass dry cloth has characteristics such as high strength, corrosion resistance, wear resistance, and good dimensional stability. It is highly durable under extreme climatic conditions in high-altitude and frigid regions. The radome of this utility model, applicable to high-altitude and frigid regions, forms an integral structure through the superposition and bonding of multiple layers of fiberglass dry cloth, enhancing the overall strength of the radome and effectively resisting deformation and aging caused by environmental factors such as temperature differences and strong winds. This ensures the reliable operation of the radome in long-term harsh environments and is suitable for high-altitude and frigid regions.

[0019] 2. This utility model is applicable to radomes in high-altitude and frigid regions. A polydopamine layer is adhered to the surface of the glass fiber dry cloth. The polydopamine layer has strong adhesion, which allows the nano-clay layer to be uniformly and firmly attached to the surface of the glass fiber dry cloth, enhancing the bonding strength of the interlayer interface and improving the overall strength and durability of the radome. At the same time, the nano-clay layer has a large specific surface area and surface activity, forming a tight bond with the surface of the glass fiber dry cloth, improving the radome's adaptability to harsh environments such as high altitude and frigid conditions. In addition, the nano-clay layer fills the micropores on the surface of the glass fiber dry cloth, forming a barrier to reduce the penetration of water molecules, thereby reducing the radome's hygroscopicity and ensuring that the radome maintains stable dimensions and performance even in humid environments, thus ensuring stable transmission of communication signals. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of the antenna radome applicable to high-altitude and cold regions.

[0021] Explanation of reference numerals in the attached drawings: 1. First skin layer; 2. Second skin layer; 3. Intermediate layer; 4. Third skin layer; 5. Fourth skin layer. Detailed Implementation

[0022] The technical solution of this utility model will be further explained and described below with reference to the accompanying drawings and embodiments, but this utility model is not limited to the embodiments described below.

[0023] The climate conditions in high-altitude and frigid regions are complex. Antenna radomes exposed to such complex climate conditions for a long time are prone to aging, deformation, or reduced strength, which can lead to surface dents. These dents can cause the antenna beam to deviate from the expected direction, affecting the antenna's communication quality and coverage. High altitude refers to altitudes between 1500m and 3500m, while frigid regions refer to temperatures below -40°C.

[0024] This invention aims to provide an antenna radome suitable for high-altitude and frigid regions. The radome is composed of a first skin layer 1, a second skin layer 2, an intermediate layer 3, a third skin layer 4, and a fourth skin layer 5 arranged sequentially. All four skin layers are made of fiberglass dry cloth, which possesses high strength, corrosion resistance, wear resistance, and good dimensional stability. It exhibits high durability under extreme climatic conditions in high-altitude and frigid regions. The antenna radome of this invention, suitable for high-altitude and frigid regions, forms an integral structure through the superposition and bonding of multiple layers of fiberglass dry cloth, enhancing the overall strength of the radome and effectively resisting deformation and aging caused by environmental factors such as temperature changes and strong winds. This ensures reliable operation of the radome in long-term harsh environments, making it suitable for high-altitude and frigid regions.

[0025] Example 1:

[0026] Reference Figure 1 A radome suitable for high-altitude and frigid regions includes, from top to bottom, a first skin layer 1, a second skin layer 2, an intermediate layer 3, a third skin layer 4, and a fourth skin layer 5. The first skin layer 1, second skin layer 2, intermediate layer 3, third skin layer 4, and fourth skin layer 5 are bonded together, and all four layers are made of dry glass fiber cloth. A polydopamine layer is adhered to the surface of the dry glass fiber cloth; a nano-clay layer fills the gaps between the dry glass fiber cloth and the polydopamine layer.

[0027] Specifically, the density range of the glass fiber dry cloth is 190 g / m³. 2 ~210g / m 2 In this embodiment, the density of the glass fiber dry cloth can be 190 g / m³. 2 It can be 200g / m 2 It can also be 210g / m 2The appropriate density of the fiberglass dry cloth can be set according to the required strength and lightweight requirements of the radome; in this embodiment, the density of the fiberglass dry cloth is 200 g / m³. 2 .

[0028] Specifically, the thickness of both the first skin layer 1 and the fourth skin layer 5 ranges from 0.1 mm to 0.15 mm. In this embodiment, the thickness of both the first skin layer 1 and the fourth skin layer 5 can be 0.1 mm, 0.13 mm, or 0.15 mm, depending on the protective performance and weight of the first skin layer 1 and the fourth skin layer 5; in this embodiment, the thickness of both the first skin layer 1 and the fourth skin layer 5 is 0.1 mm.

[0029] Specifically, the thickness of both the second skin layer 2 and the third skin layer 4 is 0.2mm to 0.25mm. In this embodiment, the thickness of both the second skin layer 2 and the third skin layer 4 can be 0.2mm, 0.23mm, or 0.25mm, depending on the support performance of the second skin layer 2 and the overall size requirements of the radome. In this embodiment, the thickness of both the second skin layer 2 and the third skin layer 4 is 0.2mm.

[0030] Specifically, the intermediate interlayer 3 is a polyurethane foam layer. The polyurethane foam layer has excellent heat insulation, sound insulation, and cushioning properties, effectively protecting the antenna from interference from the external environment. The density of the polyurethane foam layer is in the range of 60 kg / m³. 3 ~80kg / m 3 In this embodiment, the density of the polyurethane foam layer can be 60 kg / m³. 3 It can be 70kg / m 3 It can also be 80kg / m 3 The appropriate density of the polyurethane foam layer can be set according to its heat insulation, sound insulation, and lightweight requirements; in this embodiment, the density of the polyurethane foam layer is 70 kg / m³. 3 .

[0031] Example 2:

[0032] Reference Figure 1 This embodiment is applicable to radomes in high-altitude and cold regions. Based on embodiment 1, the radome also includes an epoxy resin layer; the epoxy resin layer is adhered to the gap between the first skin layer 1, the second skin layer 2, the intermediate interlayer 3, the third skin layer 4, and the fourth skin layer 5.

[0033] The epoxy resin layer is introduced by sequentially laying the first skin layer 1, the second skin layer 2, the intermediate interlayer 3, the third skin layer 4, and the fourth skin layer 5, and then the epoxy resin layer is introduced by vacuum-assisted molding process. After curing at room temperature for 6 hours, the epoxy resin layer can be demolded. The vacuum-assisted molding process is an auxiliary molding process known to those skilled in the art.

[0034] In this embodiment, an epoxy resin layer is provided. The epoxy resin layer has good chemical corrosion resistance and weather resistance, which helps to enhance the weather resistance and anti-aging ability of the radome and extend the service life of the radome.

[0035] Example 3:

[0036] Reference Figure 1 This embodiment is applicable to antenna radomes in high-altitude and cold regions. Based on embodiment 2, the antenna radome also includes a curing agent filled in the epoxy resin layer.

[0037] In this embodiment, the curing agent reacts chemically with the epoxy resin to form a robust network structure, thereby improving the overall strength and durability of the radome. At the same time, the curing agent helps improve the weather resistance and anti-aging ability of the epoxy resin layer, making the epoxy resin layer more adaptable to the harsh environment of high-altitude and cold regions.

[0038] The molding process of this utility model for an antenna radome suitable for high-altitude and cold regions is as follows: the first skin layer 1, the second skin layer 2, the intermediate interlayer 3, the third skin layer 4, and the fourth skin layer 5 are sequentially laid on the molding mold. Then, a vacuum-assisted molding process is used to introduce a well-mixed room-temperature curing epoxy resin layer and a curing agent. After complete introduction, the radome is demolded after curing at room temperature for 6 hours, and finally, an antenna radome suitable for high-altitude and cold regions is obtained.

[0039] The above are all preferred embodiments of this utility model, and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made to the structure, shape and principle of this utility model should be included within the scope of protection of this utility model.

Claims

1. A radome suitable for high-altitude and frigid regions, characterized in that, include: The first skin layer (1), the second skin layer (2), the intermediate interlayer (3), the third skin layer (4), and the fourth skin layer (5) are sequentially arranged. The first skin layer (1), the second skin layer (2), the intermediate interlayer (3), the third skin layer (4) and the fourth skin layer (5) are bonded to each other, and the first skin layer (1), the second skin layer (2), the third skin layer (4) and the fourth skin layer (5) are all dry glass fiber cloth.

2. The radome suitable for high-altitude and frigid regions according to claim 1, characterized in that: The surface of the glass fiber dry cloth is adhered with a polydopamine layer; The gap between the glass fiber dry cloth and the polydopamine layer is filled with a nano-clay layer.

3. The radome suitable for high-altitude and frigid regions according to claim 1 or 2, characterized in that: The density range of the glass fiber dry cloth is 190 g / m³. 2 ~210g / m 2 .

4. The radome suitable for high-altitude and frigid regions according to claim 1, characterized in that: The thickness of the first skin layer (1) and the fourth skin layer (5) is both in the range of 0.1 mm to 0.15 mm.

5. The radome suitable for high-altitude and frigid regions according to claim 1, characterized in that: The thickness of the second skin layer (2) and the third skin layer (4) is 0.2 mm to 0.25 mm.

6. The radome suitable for high-altitude and frigid regions according to claim 1, characterized in that: The intermediate interlayer (3) is a polyurethane foam layer.

7. The radome suitable for high-altitude and frigid regions according to claim 6, characterized in that: The density range of the polyurethane foam layer is 60 kg / m³. 3 ~80kg / m 3 .

8. The radome suitable for high-altitude and frigid regions according to claim 1, characterized in that: The radome also includes an epoxy resin layer; The epoxy resin layer is adhered to the gap between the first skin layer (1), the second skin layer (2), the intermediate interlayer (3), the third skin layer (4), and the fourth skin layer (5).

9. The radome suitable for high-altitude and frigid regions according to claim 8, characterized in that: The radome also includes a curing agent that fills the epoxy resin layer.

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