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Method for producing Luneberg lens without using adhesive

A technology of Lunberg lens and production method, which is applied to electrical components, antennas and other directions, can solve the problems of the influence of Lunberg lens performance indicators, etc., and achieve the effects of easy control of lens characteristics, excellent lens performance indicators, and low production cost.

Active Publication Date: 2020-03-24
GUANGDONG FUSHUN TIANJI COMM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0013] Later, some technical solutions for bonding granular electromagnetic dielectric materials into spheres appeared, but these technical solutions used a large amount of adhesive, and the dielectric constant of the adhesive itself was not zero. If the distribution in the sphere is uneven, it will have a certain impact on the performance index of the final Lunberg lens

Method used

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  • Method for producing Luneberg lens without using adhesive
  • Method for producing Luneberg lens without using adhesive
  • Method for producing Luneberg lens without using adhesive

Examples

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Embodiment 1

[0056] In this embodiment, the production of a spherical Lunberg lens with a mold core inside having 5 dielectric layers is taken as an example. like figure 1 As shown, such a Luneburg lens consists of two half Luneburg lenses 10 , 11 . The half-side Lunberg lens 10 comprises a hemispherical shell 100, a first dielectric layer 101, a second dielectric layer 102, a third dielectric layer 103, a fourth dielectric layer 104, a fifth dielectric layer 105 and a hemispherical core 106 from outside to inside; The Luneberg lens also includes a mold core 12 made of plastic.

[0057] The structure of mold core 12 is: as figure 2 , image 3 As shown, it includes a first hemispherical shell part 121 , a second hemispherical shell part 122 , a third hemispherical shell part 123 , a fourth hemispherical shell part 124 , a fifth hemispherical shell part 125 and a connecting rib 126 . The first hemispherical shell part 121, the second hemispherical shell part 122, the third hemispherical...

Embodiment 2

[0068] In this embodiment, the production of a spherical Luneberg lens without a mold core with 5 dielectric layers is taken as an example. like Image 6 As shown, such a Luneburg lens consists of two half Luneburg lenses 50 , 51 . The half Lunberg lens 50 includes a hemispherical shell 500 , a first dielectric layer 501 , a second dielectric layer 502 , a third dielectric layer 503 , a fourth dielectric layer 504 , a fifth dielectric layer 505 and a hemispherical core 506 from outside to inside.

[0069] This embodiment also needs to use a mold core 52, and this mold core 52 can be made of plastics, also can be made of metal. like Figure 7 , Figure 8 As shown, the mold core 52 includes a first hemispherical shell part 521 , a second hemispherical shell part 522 , a third hemispherical shell part 523 , a fourth hemispherical shell part 524 , a fifth hemispherical shell part 525 and a rotating shaft 526 . The first hemispherical shell 521, the second hemispherical shell 5...

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Abstract

The invention provides a method for producing a Luneberg lens without using an adhesive, which comprises the following steps: fixing a hemispherical shell with an upward opening; hoisting a mold coreinto the hemispherical shell; wherein a plurality of layers of hemispherical shell cavities and a hemispherical core cavity are formed in the mold core; the sphere center corresponding to the hemispherical shell, the sphere center corresponding to each layer of hemispherical shell cavity and the sphere center corresponding to the hemispherical core cavity being concentric; filling corresponding granular materials between the mold core and the hemispherical shell, in each hemispherical shell cavity and in the hemispherical core cavity; the mold core can be selectively retained or pulled away; and combining the two half Luneberg lenses with the same specification together. The method for producing a Luneberg lens without using an adhesive has the advantages that the production process is simple, the production cost is low, the use of the adhesive can be avoided or greatly reduced, the weight is light, the lens characteristics are easy to control, the lens performance index is excellent,and the like.

Description

technical field [0001] The invention relates to the field of communication equipment production, more specifically, to a production method of a Lunberg lens. Background technique [0002] Luneberg lens technology, proposed by RK Luneberg in 1944 based on geometric optics, is used as an antenna and scatterer, mainly used in fast scanning systems, satellite communication systems, 5G communications, automotive anti-collision radars, and radar reflectors. [0003] Theoretically, the dielectric constant of the dielectric material used for Lunberg lenses should change continuously from 2 to 1 following certain mathematical laws from the center of the sphere to the outer diameter. However, such an ideal medium does not exist in nature, so in actual design, discrete spherical shells with layered design are often used instead. [0004] In order to make the actual performance of Lunberg lens close to the theoretical performance, there are already a variety of Lunberg lens production ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q15/02H01Q15/08
CPCH01Q15/02H01Q15/08
Inventor 郑洪振芦永超窦英乾
Owner GUANGDONG FUSHUN TIANJI COMM CO LTD
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