CN110311227A - A kind of production method of stacked Shi Longbai lens - Google Patents
A kind of production method of stacked Shi Longbai lens Download PDFInfo
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- CN110311227A CN110311227A CN201910683233.9A CN201910683233A CN110311227A CN 110311227 A CN110311227 A CN 110311227A CN 201910683233 A CN201910683233 A CN 201910683233A CN 110311227 A CN110311227 A CN 110311227A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 47
- 239000008187 granular material Substances 0.000 claims abstract description 53
- 239000000853 adhesive Substances 0.000 claims abstract description 6
- 230000001070 adhesive effect Effects 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 14
- 239000004020 conductor Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 85
- 238000000034 method Methods 0.000 description 10
- 238000004891 communication Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005187 foaming Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/02—Refracting or diffracting devices, e.g. lens, prism
- H01Q15/08—Refracting or diffracting devices, e.g. lens, prism formed of solid dielectric material
Abstract
The present invention provides a kind of production method of stacked Shi Longbai lens, can produce the stable high performance primary lens of dragon of index under conditions of room temperature, normal pressure, low cost.The following steps are included: the first granular materials is sticked by adhesive spherical be made ball；First shell blade unit is made with second a number of of granular materials, plural part first shell blade unit is pasted into the surface of the ball and thus ball is stated in fully wrapped around residence, this is known as first medium layer by the layer that plural part first shell blade unit is constituted, and ball becomes the ball of second stage after being coupled with first medium layer at this time；So analogize, the dielectric layer of production predetermined number of layers, the i.e. primary lens finished product of acquisition target dragon are removed with corresponding shell pieces unit.The production method of the primary lens of dragon of the invention has many advantages, such as that low simple production process, production cost, light weight, lens peculiarity is easily controllable, lens performance index is excellent.
Description
Technical field
The present invention relates to communication equipment production fields, more specifically to the production method of the primary lens of dragon.
Background technique
The primary lens technologies of dragon are proposed based on geometrical optics approach in nineteen forty-four by RKLuneberg, are used as antenna and scatterer
Application, be mainly used for quick scanning system, satellite communication system, 5G communication, automobile collision avoidance radar, radar reflector.
Theoretically, the dielectric constant of the dielectric material for the primary lens of dragon should be that one is deferred to from 2 to 1 from the centre of sphere to outer diameter
Fixed mathematical law consecutive variations.But medium ideal in this way is not present in nature, so commonly using layering in actual design
The discrete spherical shell of design replaces.
To make the actual performance of the primary lens of dragon close to theoretical performance, the producer of a variety of primary lens of dragon is currently existed
Case, such as:
A kind of production method of hemisphere Luneberg lens antenna of CN201510084764.8；
A kind of production method of the primary lens of open-celled structure form dragon of CN201510065135.0；
Extremely low section cylinder Luneberg lens antenna of the CN201610015855.0 based on novel medium filling mode；
The manufacturing method of CN201610393370.5 Luneberg lens antenna；
A kind of Luneberg lens antenna of CN201520112992.7.
Above technical scheme includes: the method for drilling, by the ratio of material volume shared by hole, controls Jie of material
Electric constant, but this method drill hole density and precision are not easy to control, and structure is complicated, and manufacture difficulty is high, weight is not suitable for greatly batch
Production.
It further include having the method successively to foam, based on intermediate ball, the successively foaming of layer-by-layer package, this is most normal at present
A kind of method of ladder dielectric constant foamed material, but either physical blowing or chemical blowing are obtained, is required tight
Lattice control temperature and pressure, usually produce at high temperature and pressure, since the thermal conductivity of foamed material is very low, will form foaming
Non-uniform phenomenon.The technology is complicated, needs special equipment, yield rate is low, and cost is very high.
Further include the method for having hierarchical design, first independently make each layer, then these layers are bonded together again, but is each
Layer interface is obvious, and the discontinuity of the dielectric constant of electromagnetic material interlayer will increase the electromagnetic consumable of lens, reduce antenna
Radiation efficiency.
Therefore it needs to improve the primary lens production method of existing dragon.
Summary of the invention
The technical problem to be solved by the invention is to provide the production method of the new primary lens of dragon, in room temperature, normal pressure, low
The stable high performance primary lens of dragon of index can be produced under conditions of cost.
The following technical solution is employed:
A kind of production method of stacked Shi Longbai lens, comprising the following steps:
Step 1): a number of the first granular materials is sticked by adhesive and spherical the first stage is made
The ball of ball, the first stage is known as ball；
Step 2): being made first shell blade unit with second a number of of granular materials, by plural the first shell pieces of part list
Member pastes the surface of the ball and thus ball is stated in fully wrapped around residence, the layer that should be made of plural part first shell blade unit
Referred to as first medium layer, the ball of first stage becomes the ball of second stage after being coupled with first medium layer at this time；
Second shell blade unit is made with the third a number of granular materials in step 3), by plural part second shell blade unit
It pastes the surface of the ball of the second stage and thus the ball of second stage is stated in fully wrapped around residence, it should be by plural part second shell
The layer that blade unit is constituted is known as second dielectric layer, and the ball of second stage becomes the phase III after being coupled with second dielectric layer at this time
Ball；
So analogize, obtains the primary lens of dragon with the predetermined medium number of plies；From innermost ball to outmost Jie
Matter layer, the dielectric constant of granular materials used in each are and at least one layer of media according to rule from high to low
Layer is to be made of at least 3 shell pieces units, and the target value of the dielectric constant of the first granular materials is 2, outmost medium
The target value of the dielectric constant of granular materials used in layer is 1.
This stacked Shi Longbai lens is using " by volume and the lesser shell pieces unit spliced of area at dielectric layer, multilayer
The method of medium laminated addition target sphere ".The quantity of the granular materials as needed for constituting a shell pieces unit is relatively fewer,
If the distribution for artificially controlling these granular materials at this time, the electromagnetic performance difference between the shell pieces unit of same size is also opposite
It is smaller.When making a certain dielectric layer, if the chamfered shape of shell pieces unit is designed to work as, shell pieces unit can as more than one piece
Electromagnetic performance difference with dielectric layer its surface each point on the close spherical surface for being laid on ball on last stage, then constituted at this time is also
Smaller, the uniformity of the dielectric layer surface each point electromagnetic performance can be controlled in relatively high degree at this time in other words, this
It is highly desirable when batch production to see.And since granular materials has been made into shell pieces unit in advance, by shell pieces unit
It does not need to devote a tremendous amount of time during being pasted into dielectric layer, therefore such way is also that one kind efficiently produces yet
One of method.
First shell blade unit, second shell blade unit and the shell pieces unit for constituting other dielectric layers, their shape can be with
It is regular hexagon or one of regular pentagon or triangle or a variety of.It should be noted that for constituting same dielectric layer
Shell pieces unit can only have a kind of chamfered shape, can also there is 2 kinds or more of chamfered shape.For example, be referred to it is conventional by
The outer layer connection type of football made of regular hexagon piece and regular pentagon piece, with the shell pieces unit that chamfered shape is regular hexagon
Carry out close floor file with the chamfered shape pentagonal shell pieces unit that is positive and paste on the spherical surface of ball on last stage, and then wraps
The ball in one stage.
In addition, same dielectric layer can be and be made of 2 layers or more of shell pieces unit.If the design of certain dielectric layer is thick
Degree is thicker, and when the thickness deficiency of single-piece shell pieces unit, stickup more one can be further added by the basis of one layer of shell pieces unit
Layer or several layers of shell pieces units made of granular materials of the same race.
The granular materials for constituting same shell pieces unit can be through adhesive bonding together, be also possible to be loaded into
Into flat box body, together with box body together as shell pieces unit.Using the latter way when, between the intracorporal granular materials of box
Adhesive bonding can not be used, the use of adhesive can be reduced in this way, so that influence of the adhesive to dielectric constant is reduced,
Require the material of the material of box body low-k to be made at this time certainly, and the wall body of box body be preferably sufficiently it is thin, and
Not being strongly required box body has good shape stability.In addition, being preferably provided with numerous through-holes on the wall body of box body to mitigate
The size of the own wt of box body, these certain through-holes should be able to avoid granular materials from leaking out from tray interior.
The quantity of this production method, more its shell pieces unit of the dielectric layer of outer layer is more.
The primary lens of dragon obtained by this production method, chamfered shape can be ball or class ball or ellipsoid or class ellipsoid
Deng.
This production method, the total quantity of dielectric layer is preferably between 3~20.
The structure of this production method, each dielectric layer and the particles used material of ball is preferably: being mixed in nonmetallic materials
Enter the metallic conductor of graininess or threadiness.
This production method, by ball to outmost dielectric layer, the volume of corresponding granular materials is preferably increasing.
This production method, by ball to outmost dielectric layer, the shape of corresponding granular materials can be cubic
Or it is spherical.
This production method, the volume of granular materials is preferably in 8mm3~250mm3In range.
The production method of stacked Shi Longbai lens of the invention has low simple production process, production cost, light weight, thoroughly
The advantages that mirror characteristic is easily controllable, lens performance index is excellent.
Specific embodiment
The content of present invention is described further below with reference to embodiment.
Embodiment 1
The present embodiment is for making a tool and be of five storeys the spherical Luneburg lens of dielectric layer.Such primary lens of dragon are from interior
Ball, first medium layer, second dielectric layer, third dielectric layer, the 4th dielectric layer and the 5th dielectric layer are followed successively by outer.Ball with
And the material that these dielectric layers are corresponding in turn to are as follows: the first granular materials, second of granular materials, the third granular materials,
Four kinds of granular materials, the 5th kind of granular materials and the 6th kind of granular materials.Wherein, the first granular materials is to the 6th kind of granular material
Expect respective dielectric constant from high to low, wherein the dielectric constant of the first granular materials is 2, Jie of the 6th kind of granular materials
Electric constant is 1.
Its production method is as follows:
Step 1): the first a number of granular materials is sticked by spherical shape by adhesive, the first stage is made
The ball of ball, the first stage is known as ball.
Step 2): being made first shell blade unit with second a number of of granular materials, by plural the first shell pieces of part list
Member pastes the surface of the ball and thus ball is stated in fully wrapped around residence, the layer that should be made of plural part first shell blade unit
Referred to as first medium layer, the ball of first stage becomes the ball of second stage after being coupled with first medium layer at this time.
It should be noted that although the shell pieces unit of first shell blade unit and other each dielectric layers may be granular materials
A tablet being in one plane bonded, however such shell pieces unit is due to certain flexibility, and
And single-piece shell pieces unit covered area compared to the area of target surface be not very big, therefore in the ruler of single-piece shell pieces unit
Very little size is designed to be in reasonable situation, and shell pieces unit is the target surface that can be fully fitted in curved surface.
Step 3): being made second shell blade unit with the third a number of granular materials, by plural the second shell pieces of part list
Member pastes the surface of the ball of the second stage and thus the ball of second stage is stated in fully wrapped around residence, should be by plural part second
The layer that shell pieces unit is constituted is known as second dielectric layer, and the ball of second stage becomes third rank after being coupled with second dielectric layer at this time
The ball of section.
Step 4): the first third shell pieces unit and second is respectively prepared with the 4th kind of a number of granular materials
Three shell pieces units；The chamfered shape of the first third shell pieces unit is regular hexagon, the wheel profile of second of third shell pieces unit
Shape is regular pentagon.By the outer layer connection side of the first third shell pieces unit and second of third shell pieces unit reference conventional soccerball
Formula is come on the surface for the ball that close floor file pastes the phase III, and then wraps the ball of phase III.Should by several the first
The layer that third shell pieces unit and several second of third shell pieces units are constituted is known as third dielectric layer, at this time the ball of phase III
Become the ball of fourth stage after being coupled with third dielectric layer.
Step 5): the first the 4th shell pieces unit and second is respectively prepared with the 5th kind of a number of granular materials
Four shell pieces units；The chamfered shape of the first the 4th shell pieces unit is regular hexagon, the wheel profile of second of the 4th shell pieces units
Shape is regular pentagon.By the outer layer connection side of the first the 4th shell pieces unit and second of the 4th shell pieces units reference conventional soccerballs
Formula is come on the surface for the ball that close floor file pastes fourth stage, and then wraps the ball of fourth stage.Should by several the first
The layer that 4th shell pieces unit and several second of the 4th shell pieces units are constituted is known as the 4th dielectric layer, at this time the ball of fourth stage
Become the ball in the 5th stage after being coupled with the 4th dielectric layer.
In the present embodiment, although the first third shell pieces unit and the first the 4th shell pieces unit their chamfered shape are same
For regular hexagon, but since the first the 4th shell pieces unit is closer to outer layer, regular hexagon size is under normal circumstances
It is greater than the first third shell pieces unit.Similarly, the regular pentagon size of second of the 4th shell pieces units is under normal circumstances
It is greater than second of third shell pieces unit.However if the shell pieces unit of each dielectric layer all correspond to it is one or two kinds of, even
The specification of more kinds of dimensions, then the shell pieces unit added up in total may be considerable, may may require that at this time more
Mold, this will enable production cost get higher, production efficiency reduces.Therefore package is removed on last stage with shell pieces unit in practice
Ball surface when, not necessarily require shell pieces unit will the just close surface for being laid on ball on last stage, as long as shell pieces list
The surface that member covers ball on last stage as far as possible is also allowed, if leaving some gaps, artificial benefit is filled out of the same race at that time
Granular materials.
Step 6): the first the 5th shell pieces unit and second is respectively prepared with the 6th kind of a number of granular materials
Five shell pieces units；The chamfered shape of the first the 5th shell pieces unit is regular hexagon, the wheel profile of second of the 5th shell pieces units
Shape is regular pentagon.By the outer layer connection side of the first the 5th shell pieces unit and second of the 5th shell pieces units reference conventional soccerballs
Formula is come on the surface for the ball that close floor file pasted for the 5th stage, and then wraps the ball in the 5th stage.Should by several the first
The layer that 5th shell pieces unit and several second of the 5th shell pieces units are constituted is known as the 5th dielectric layer, at this time the ball in the 5th stage
Become the ball in the 6th stage after being coupled with the 5th dielectric layer.
Since the thickness of dielectric layer close to outer layer generally can be thicker than the thickness of the dielectric layer of close internal layer, for example this reality
The 5th dielectric layer of example is applied, then at this time can be using one of two kinds of ways: the first way be to make the first the 5th shell
The thickness of both shell pieces units is just allowed to reach the 5th dielectric layer when blade unit and second of the 5th shell pieces units preset
Thickness；Second of way is to make the first the 5th shell pieces unit and second of the 5th shell pieces units whens allows both shells
The thickness of blade unit is not enough to reach the 5th preset thickness of dielectric layer, but only reaches the 1/2 or 1/3 of preset thickness, then
The 5th dielectric layer is enabled to be finally reached preset thickness by increasing the way of 1 layer of shell pieces unit or 2 layers of shell pieces unit.
If a certain dielectric layer is made of 2 layers or more of shell pieces unit, the single-piece shell pieces unit of that outer layer
Size be to be greater than the size of the single-piece shell pieces unit by that inner layer under normal circumstances.But similarly, if 1 layer of medium
Layer because being to be made of just to be respectively multilayered shell blade unit if these various sizes of shell pieces unit styles make corresponding mold,
The mold added up in total can be enabled more.Then in practice, belong to their size of the shell pieces unit of each layer of same dielectric layer
Can be the same, it is not necessary to surely pursue shell pieces unit will the just close surface for being laid on ball, as long as shell pieces unit covers ball as far as possible
Surface it is also possible, if leaving some gaps, artificial at that time mend fills out granular materials of the same race.
It is subsequent to can according to need in the surface coating of the primary lens of dragon and/or the primary lens of dragon are mounted in a shell, it is used for
Setting or the primary lens of protection dragon.
So far, the production of spherical Luneburg lens is completed.
In the present embodiment, each dielectric layer and the particles used material of ball be all it is well prepared in advance, their structure is:
The metallic conductor of threadiness is mixed into the material made of nonmetallic foaming.As long as controlling the mixed metal of institute in individual particle
The quantity or diameter of conductor, so that it may control the dielectric constant of these granular materials.Such as: being mixed into more metallic conductors
Then dielectric constant will become larger；Being mixed into bigger metallic conductor, then dielectric constant is also bigger.The production side of one of granular materials
Method can refer to entitled " AN ARTIFICIAL DIELECTRIC MATERIAL AND A METHOD OF MANUFACTURING
THE SAME ", Publication No. WO2009078807, publication date are the patent document on June 25th, 2009.
In the case that the dielectric constant and size of each granular materials are well set, the present embodiment producer
The primary lens of dragon that method is produced its have many advantages, such as that light weight, lens peculiarity are easily controllable, lens performance index is excellent.
Embodiment 2
The present embodiment the difference from embodiment 1 is that: in step 4), the 4th kind of granular materials is loaded into bottom surface
It is projected as in the first box body of the flat of regular hexagon, together with the first box body together as the first third shell pieces unit；Also,
4th kind of granular materials is also charged into the second box body of the flat for being projected as regular pentagon of bottom surface, together with the second box body one
It rises and is used as second of third shell pieces unit.Also, the bottom surface towards second dielectric layer of the first box body is radius of curvature and third
The identical concave surface of the radius of the ball in stage；The bottom surface towards second dielectric layer of second box body is radius of curvature and phase III
The identical concave surface of the radius of ball, can ensure that has sufficiently in this way between the first box body and the second box body and the surface of the ball of phase III
Contact surface, it is ensured that the uniformity and regularity of the primary lens finished product interior tissue of dragon.
Granular materials together with box body together as this mode of shell pieces unit, it is also contemplated that being applied to the 4th medium
The shell pieces unit of layer and the shell pieces unit of the 5th dielectric layer.
What this specification was enumerated is only better embodiment of the invention, all institutes under the working principle and thinking of the invention
The equivalent technologies transformation done, is accordingly to be regarded as protection scope of the present invention.
Claims (15)
1. a kind of production method of stacked Shi Longbai lens, it is characterized in that: the following steps are included:
Step 1): sticking into the spherical ball that the first stage is made for the first a number of granular materials by adhesive, should
The ball of first stage is known as ball；
Step 2): first shell blade unit is made with second a number of of granular materials, plural part first shell blade unit is glued
It is attached to the surface of the ball and thus ball is stated in fully wrapped around residence, should be known as by the layer that plural part first shell blade unit is constituted
First medium layer, the ball of first stage becomes the ball of second stage after being coupled with first medium layer at this time；
Second shell blade unit is made with the third a number of granular materials in step 3), and plural part second shell blade unit is pasted
To the ball of the second stage surface and thus the ball of second stage is stated in fully wrapped around residence, should by plural the second shell pieces of part list
The layer that member is constituted is known as second dielectric layer, and the ball of second stage is after being coupled with second dielectric layer as the phase III at this time
Ball；
So analogize, obtains the primary lens of dragon with the predetermined medium number of plies；From innermost ball to outmost dielectric layer,
The dielectric constant of granular materials used in each be according to rule from high to low, and at least one layer of dielectric layer be by
At least 3 shell pieces units are constituted,.
2. a kind of production method of stacked Shi Longbai lens as described in claim 1, it is characterized in that: the first granular materials
The target value of dielectric constant is 2, and the target value of the dielectric constant of granular materials used in outmost dielectric layer is 1.
3. a kind of production method of stacked Shi Longbai lens as described in claim 1, it is characterized in that: the wheel profile of the primary lens of dragon
Shape is ball or class ball or ellipsoid or class ellipsoid.
4. a kind of production method of stacked Shi Longbai lens as described in claim 1, it is characterized in that: for constituting same medium
The shell pieces unit of layer has 2 kinds or more of chamfered shape.
5. a kind of production method of stacked Shi Longbai lens as described in claim 1 or 4, it is characterized in that: first shell blade unit,
Second shell blade unit and the shell pieces unit for constituting other dielectric layers, their shape are regular hexagon or regular pentagon or triangle
One of shape is a variety of.
6. the production method of a kind of stacked Shi Longbai lens as described in claim 1 or 4, it is characterized in that: same dielectric layer is
It is made of 2 layers or more of shell pieces unit.
7. the production method of a kind of stacked Shi Longbai lens as described in claim 1 or 4, it is characterized in that: constituting same shell pieces
The granular materials of unit is loaded into flat box body, together with box body together as shell pieces unit.
8. a kind of production method of stacked Shi Longbai lens as claimed in claim 7, it is characterized in that: on the wall body of the box body
Mitigate the own wt of box body equipped with numerous through-holes.
9. a kind of production method of stacked Shi Longbai lens as described in claim 1, it is characterized in that: the total quantity of dielectric layer exists
Between 3~20.
10. a kind of production method of stacked Shi Longbai lens as described in claim 1, it is characterized in that: the dielectric layer of more outer layer
The quantity of its shell pieces unit is more.
11. a kind of production method of stacked Shi Longbai lens as described in claim 1, it is characterized in that: each dielectric layer and ball
The structure of the particles used material of core is: the metallic conductor of graininess or threadiness is mixed into nonmetallic materials.
12. a kind of production method of stacked Shi Longbai lens as described in claim 1, it is characterized in that: by ball to outermost
Dielectric layer, the volume of corresponding granular materials is increasing.
13. a kind of production method of stacked Shi Longbai lens as described in claim 1, it is characterized in that: by ball to outermost
Dielectric layer, the shape of corresponding granular materials is cubic or spherical.
14. a kind of production method of stacked Shi Longbai lens as described in claim 1, it is characterized in that: the volume of granular materials
In 8mm3~250mm3In range.
15. a kind of production method of stacked Shi Longbai lens as described in claim 1, it is characterized in that: subsequent in the primary lens of dragon
Surface coating and/or the primary lens of dragon are mounted in a shell.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910683233.9A CN110311227A (en) | 2019-07-29 | 2019-07-29 | A kind of production method of stacked Shi Longbai lens |
| PCT/CN2019/116663 WO2021017266A1 (en) | 2019-07-29 | 2019-11-08 | Method for producing assembled and superposed luneberg lens |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910683233.9A CN110311227A (en) | 2019-07-29 | 2019-07-29 | A kind of production method of stacked Shi Longbai lens |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111509398A (en) * | 2020-04-26 | 2020-08-07 | 成都新光微波工程有限责任公司 | Preparation method of low-density artificial medium luneberg lens |
| WO2021017266A1 (en) * | 2019-07-29 | 2021-02-04 | 佛山市粤海信通讯有限公司 | Method for producing assembled and superposed luneberg lens |
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| 王愚: "壳层式尤伯透镜", 《无线电工程》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021017266A1 (en) * | 2019-07-29 | 2021-02-04 | 佛山市粤海信通讯有限公司 | Method for producing assembled and superposed luneberg lens |
| CN111509398A (en) * | 2020-04-26 | 2020-08-07 | 成都新光微波工程有限责任公司 | Preparation method of low-density artificial medium luneberg lens |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021017266A1 (en) | 2021-02-04 |
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