CN1256788C - Radar dome unit piece and manufacturing process, connecting method and dividing method thereof - Google Patents
Radar dome unit piece and manufacturing process, connecting method and dividing method thereof Download PDFInfo
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- CN1256788C CN1256788C CN 02111988 CN02111988A CN1256788C CN 1256788 C CN1256788 C CN 1256788C CN 02111988 CN02111988 CN 02111988 CN 02111988 A CN02111988 A CN 02111988A CN 1256788 C CN1256788 C CN 1256788C
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- unit piece
- overlap edge
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- radome
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Abstract
The present invention relates to a radar antenna cover unit piece. An external layer is provided with a waterproof resin gel coat and a glass fibre reinforced plastics board layer, an internal layer is provided with a glass fibre reinforced plastics board layer, and a foam sandwich layer is arranged between the internal layer and the external layer. The peripheral seam structure is a solid glass fibre reinforced plastics layer plane overlapping edge which is integrated with the unit piece into a whole, a stainless steel screw cap is pre-embedded in an upper overlapping edge, and connecting holes are punched on a lower overlapping edge. The present invention also proposes a manufacturing process, a connecting method and a dividing method of the unit piece. Because the present invention adopts comprehensive measures, such as a novel unit piece structure, the fabrication process, the novel connecting method and the dividing method, etc. of the unit piece, a block partition method without parallel lines on adjacent edges is realized. The electrical performance of the antenna cover is improved, the whole strength of the antenna cover is strengthened, and the capacity of resisting wind and preventing leakage is improved. The appearance is beautiful, the installation is convenient, the erection of an external Mangtanghong scaffold is not needed when the present invention is installed, the installation time is greatly saved, and the present invention can be repeatedly disassembled and assembled.
Description
Technical field
The present invention relates to a kind of radome that can eliminate environment to the radar antenna influence, specifically refer to the radar dome unit piece and manufacture craft, method of attachment and the dividing method that adopt fiberglass to make.
Background technology
Ground radome can be eliminated the influence of environment to radar antenna, make radar antenna can be under complicated and adverse weather condition operate as normal.The large-scale antenna cover is generally made by the high material of the saturating ripple rate of electromagnetism, and its profile is the interception shape, and diameter is from several meters to more than 20 meters.For ease of transportation and installation, generally assemble by some unit pieces.Because the condition of work of radome is special, therefore its electric property, weatherability and structural strength are required comparatively harsh.Method of attachment between the unary structure of each of radome, unary manufacture craft, each unit piece and unary dividing method all can produce considerable influence to the performance and the quality of radome.
The unit piece of present radome generally adopts the single or multiple lift reinforced plastic plate to make.The edge of a wing of Fig. 2 A cover plate of method or Fig. 2 B method that is spirally connected that is spirally connected is adopted in method of attachment between each unit piece; Relatively poor with the radome presentation quality that this method of attachment is formed, cost of manufacture is higher, require at the inside and outside scaffold of all setting up all round victory of radome during installation, and the scene of need joins and punch, efficiency of construction is low, influences the structural strength of radome.Test proof simultaneously, the limit that is parallel to each other between unit piece can make the secondary lobe that receives waveform raise, and therefore have the shortcoming that can not be used for the Low Sidelobe radar; At present spheroid is cut apart to obtain described unary method and generally adopted longitude and latitude split plot design or accurate random division method, consequently unary not of uniform size, specification is many, and production efficiency reduces; Adjacent edge is parallel to each other, and the secondary lobe that receives waveform is raise, and loss increases, and influences the electrical property of antenna.
Summary of the invention
For installation quality and the execution conditions that improve radome, and improve every performance of radome, the present invention proposes a kind of structure and manufacture craft thereof of new radar dome unit piece, and proposes a kind of new dividing method and method of attachment.
A kind of radar dome unit piece of the present invention, it is any spheric polygon that a periphery has overlap edge, make by double glazing steel board and foam sandwich laminate, the overlap edge of described unit piece periphery is the entity fiberglass with this unit piece one, this overlap edge is divided into overlap edge and following overlap edge by the position of described unit piece on radome; Wherein go up overlap edge and be partial to more than the center line of unit piece section, be embedded with some STAINLESS STEEL NUTSs in the limit; Following overlap edge is partial to below the center line of unit piece section, is embedded with the reinforcement metal silk in the overlap edge, and has some connecting holes, the position of this connecting hole and the connected unary position correspondence that goes up the overlap edge nut.
The technology of making described radar dome unit piece is: (1) according to the specification of radome spheroid, design one basic mode with desired radius of curvature as the benchmark of making upper die and lower die, adopts same basic mode when each unit piece of irdome is made on the same day; (2) according to the radome spheroid being cut apart the unary specification number that the back is drawn, each specifications design one cover curvature upper die and lower die identical with basic mode; (3) the resin gel coat of the anti-aging of spraying one deck, waterproof on patrix, and solidify; (4) on the gel coat after the curing, shop one deck glass cloth and resin, and solidify; (5) at counterdie upper berth one deck glass cloth and resin, add the foam core material, pre-buried STAINLESS STEEL NUTS in last overlap edge; Built-in metal silk in the following overlap edge, behind the upper and lower mould matched moulds, pressurization, curing and demolding, deburring; (6) unit piece is put into the special use punching frock identical, beaten connecting hole on the overlap edge down with its specification; (7) compile identification number.
The invention has the advantages that: owing to adopt new unit piece structure and unary manufacture craft, and aggregate measures such as new dividing method and method of attachment, realized that adjacent edge does not have the dividing method of parallel lines, make the loss approximately equal of fillet and unit piece central authorities, improved the electrical property of radome; Seam crossing connects closely, does not have the splicing slit, has strengthened the bulk strength of radome, has improved wind loading rating and leakproof ability; The unit piece smooth surface, no concave-convex, no layering, the smooth standard of fillet, connecting hole is accurate, assembly unit irdome day after tomorrow good looking appearance; Because it is pre-buried behind the nut on the overlap edge on unary, make the unary assembling of radome become very easy, as long as will be unary on connecting hole and the adjacent cells spare on time overlap edge screw on the overlap edge aim at, can connect with bolt from radome inside.Do punching and compared with joining at the scene originally, efficient height not only, quality is good, dismounting is easy to maintenance, and no longer need inside and outside radome, all cost the construction scaffolding of all round victory, can save a large amount of artificial and auxiliary material, and reduce operating personnel's potential safety hazard.
Description of drawings
Fig. 1 is the schematic diagram of radome;
Fig. 2 is the schematic diagram of connection method between the unit piece of prior art, and wherein Fig. 2 A is the edge of a wing connection method that is spirally connected, and Fig. 2 B is the cover plate connection method that is spirally connected;
Fig. 3 is the unary structural representation of radome of the present invention, and wherein Fig. 3 A is a front view, and Fig. 3 B is a cutaway view;
Fig. 4 is a connected mode schematic diagram between unit piece of the present invention;
Fig. 5 is a unit piece dividing method schematic diagram of the present invention.
Embodiment
The invention will be further described now to reach accompanying drawing in conjunction with the embodiments.
By Fig. 3, a kind of radar dome unit piece of the present invention, for having arbitrary polygon seam construction, that make by the compound glass steel board, described unary skin is waterproof resin gel coat 1 and fiberglass flaggy 2, internal layer is a fiberglass flaggy 3, be foam sandwich laminate 4 between internal layer and the skin, can adopt the polyurethane expanded material; Its peripheral seam construction is and the integrated entity frp layer of unit piece plane overlap edge 5 overlap joint hem width≤5cm; Described overlap edge place down is embedded with wire 6; Described overlap edge is pressed the position of unit piece on radome, is divided into overlap edge 7 and following overlap edge 8; Wherein go up overlap edge more than the center line of unit piece section, the uniform STAINLESS STEEL NUTS 9 that is connected usefulness with adjacent cells spare that is embedded with in the limit; Following overlap edge is equipped with the connecting hole 10 that is connected with adjacent cells spare on the limit below the center line of unit piece section, the position of this connecting hole is corresponding with quantity with the position of quantity and connected unary upward overlap edge nut.
By Fig. 4, when connecting between unit piece, if the following overlap edge 12a of the last overlap edge 11a of a unit piece 11 and adjacent unit piece 12 is folded mutually, at the rubber blanket 13 that serves as a contrast antiseep up and down between overlap edge, the nut 9 of correspondence is alignd with connecting hole 10, be screwed into and screw bolt 14 internally and get final product.Install very conveniently, no longer need set up the scaffold of all round victory, both improved installation rate, improved assembly quality again, also be convenient to the dismounting maintenance in the radome outside.
Be example now, illustrate spheroid is cut apart to obtain described unary method, referring to Fig. 5 with the 12m radome.Earlier the radome sphere is divided into 12 positive 5 limit shapes; Each summit of the circumscribed circle center of circle and its of each positive 5 limit shape is linked to each other, be divided into the isosceles triangle of 5 congruences; And each triangle is cut apart again by laxative remedy, be example with Δ ABC now: (a) the high AQ with Δ ABC is divided into 4 five equilibriums, each Along ent on height is made the parallel lines with base BC, intersect at D, E, K and I, H, L respectively from top to bottom with two waist AB, AC, make straight line ER, DT, IU, HS respectively from intersection point E, D, I, H perpendicular to base BC, and meet at R, T, U, S with base BC respectively, and wherein DT and KL meet at F, and IU and KL meet at G; (b) revise position that F point and G order respectively to F ' and G ', its method be with the F point along DT to base BC displacement a to F ', with the G point along IU to I point displacement a to G ', make the line of F ' G ' not parallel with DI; (c) connect DI, E F ', F ' G ', G ' H, F ' R, G ' S, then obtain hexagonal full unit piece DIHG ' F ' E (referring among Fig. 5 2.) and 4 part unit pieces, i.e. Δ ADI (among Fig. 5 1.), quadrangle BEF ' R, RF ' G ' S and G ' HCS (among Fig. 5 3. 4. 5.); (d) when determining described displacement a by (b), three unary angle ∠ F ' G ' H, the ∠ F ' G ' S of three unary angle ∠ EF ' R, ∠ EF ' G ' that keep same summit F ' and ∠ RF ' G ' and same summit G ' and ∠ HG ' S are all greater than 90 °; Can get the full unit piece hexagon of each unit piece: a. DIHG ' F ' E thus, (among Fig. 5 2.); B. part unit piece Δ ADI, (among Fig. 5 1.) can form the full unit piece of regular pentagon with 4 triangles that are total to summit A with it; C. all the other quadrangle part unit pieces (among Fig. 5 3. 4. 5.) can merge with the quadrangle part unit piece in other isosceles triangle that is adjacent respectively and form the full unit piece of hexagon, as shown in phantom in FIG..Through cutting apart like this, as long as 5 kinds of elementary cell parts can assembly unit go out a radome spheroid, simplified production factors, improved production efficiency and product quality, for standardized production provides condition.Simultaneously each elementary cell part does not all have parallel edges, does not have≤90 ° interior angle yet, and electrical property and the intensity that improves radome is all had good effect.
Claims (5)
1. a radar dome unit piece is any spheric polygon that a periphery has overlap edge, is made by double glazing steel board and foam sandwich laminate, and described overlap edge is and the entity fiberglass of this unit piece one, it is characterized in that:
This overlap edge is divided into overlap edge and following overlap edge by the position of described unit piece on radome; Be embedded with some STAINLESS STEEL NUTSs on the last overlap edge; Be embedded with wire in the following overlap edge, and have some connecting holes, the position of this connecting hole and the connected unary position correspondence that goes up the overlap edge nut.
2. radar dome unit piece according to claim 1 is characterized in that the described overlap edge of going up is partial to more than the center line of unit piece section, and following overlap edge is partial to below the center line of unit piece section.
3. one kind spheroid cut apart to obtain the described unary method of claim 1, the steps include:
(1) the radome sphere is divided into 12 positive 5 limit shapes;
(2) each summit of the circumscribed circle center of circle and its with each positive 5 limit shape links to each other, and is divided into the isosceles triangle of 5 congruences; And each triangle is cut apart again by laxative remedy:
(a) the high AQ with triangle ABC is divided into 4 five equilibriums, each Along ent on height is made the parallel lines with base BC, intersect at D, E, K and I, H, L respectively from top to bottom with two waist AB, AC, do to meet at R, T, U, S with base BC respectively from intersection point E, D, I, H perpendicular to straight line ER, DT, IU, the HS of base BC, wherein DT and KL meet at F, and IU and KL meet at G;
(b) revise position that F point and G order respectively to F ' and G ', the method for correction be with the F point along DT to base BC displacement a to F ', with the G point along IU to I point displacement a to G ', make the line of F ' G ' not parallel with DI;
(c) connect DI, E F ', F ' G ', G ' H, F ' R, G ' S then obtains hexagonal full unit piece DIHG ' F ' E and 4 part unit pieces, i.e. triangle ADI, quadrangle BEF ' R, RF ' G ' S and G ' HCS;
(d) when determining described displacement a by (b), three unary angle ∠ F ' G ' H, the ∠ F ' G ' S of three unary angle ∠ EF ' R, ∠ EF ' G ' that keep same summit F ' and ∠ RF ' G ' and same summit G ' and ∠ HG ' S are all greater than 90 °;
(3) can get the full unit piece hexagon of each unit piece: a. DIHG ' F ' E thus; B. part unit piece triangle ADI can form the full unit piece of regular pentagon with 4 triangles of other common summit A; C. all the other quadrangle part unit piece BEF ' R, RF ' G ' S and G ' HCS merge with the quadrangle part unit piece in other isosceles triangle that is adjacent respectively and form the full unit piece of hexagon.
4. a technology of making the described radar dome unit piece of claim 1 the steps include:
(1) according to the specification of radome spheroid, design one basic mode with desired radius of curvature as the benchmark of making upper die and lower die, adopts same basic mode when each unit piece of irdome is made on the same day;
(2) according to the radome spheroid being cut apart the unary specification number that the back is drawn, each specifications design one cover curvature upper die and lower die identical with basic mode;
(3) the resin gel coat of the anti-aging of spraying one deck, waterproof on patrix, and solidify;
(4) on the gel coat after the curing, shop one deck glass cloth and resin, and solidify;
(5) at counterdie upper berth one deck glass cloth and resin, add the foam core material, pre-buried STAINLESS STEEL NUTS in last overlap edge; Built-in metal silk in the following overlap edge, behind the upper and lower mould matched moulds, pressurization, curing and demolding, deburring;
(6) unit piece is put into the special use punching frock identical, beaten connecting hole on the overlap edge down with its specification;
(7) compile identification number.
5. one kind connects the described unary method of claim 1, the steps include:
(1) a unary overlap edge of going up is folded mutually with adjacent unary overlap edge down;
(2) lining is gone into the rubber blanket of antiseep between upper and lower overlap edge;
(3) nut of the correspondence of upper and lower overlap edge is aimed at connecting hole, tightened internally with bolt;
(4) with identical method all adjacent two unary upper and lower overlap edges are docked, to form a completed antenna cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02111988 CN1256788C (en) | 2002-06-07 | 2002-06-07 | Radar dome unit piece and manufacturing process, connecting method and dividing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02111988 CN1256788C (en) | 2002-06-07 | 2002-06-07 | Radar dome unit piece and manufacturing process, connecting method and dividing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1464590A CN1464590A (en) | 2003-12-31 |
| CN1256788C true CN1256788C (en) | 2006-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02111988 Expired - Fee Related CN1256788C (en) | 2002-06-07 | 2002-06-07 | Radar dome unit piece and manufacturing process, connecting method and dividing method thereof |
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| CN (1) | CN1256788C (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1915650B (en) * | 2005-08-19 | 2010-04-28 | 上海之合玻璃钢有限公司 | Vacuum forming technique for sandwich structure piece of composite material of fiberglass-reinforced plastics |
| CN101630774B (en) * | 2009-08-07 | 2012-09-26 | 北京玻钢院复合材料有限公司 | Glass steel radar cover single element and forming method thereof |
| CN102055068B (en) * | 2009-10-27 | 2013-11-20 | 上海玻璃钢研究院有限公司 | Manufacturing method of wind shield for a vehicular radar |
| CN102001152B (en) * | 2010-09-21 | 2013-05-08 | 国营江北机械厂 | Method for moulding composite antenna housing with big local thickness difference |
| CN101964452B (en) * | 2010-10-19 | 2014-02-26 | 安徽金诚复合材料有限公司 | Antenna housing and preparation method thereof |
| CN102074797B (en) * | 2010-12-31 | 2013-06-12 | 重庆威萨特科技发展有限公司 | Method for manufacturing radar antenna housing single element |
| CN102664309B (en) * | 2012-05-07 | 2013-04-24 | 河北盛伟基业玻璃钢集团有限公司 | Antenna radar cover and preparation method thereof |
| CN103490162B (en) * | 2013-09-24 | 2016-04-06 | 上海之合玻璃钢有限公司 | Radome electrical property optimizes linkage unit part |
| CN107275778A (en) * | 2017-05-05 | 2017-10-20 | 西安交通大学 | A kind of truss-like antenna house |
| CN109494475A (en) * | 2018-07-13 | 2019-03-19 | 中国航空工业集团公司济南特种结构研究所 | A kind of multi-layer honeycomb structure with enhancing radome root rigidity |
| CN110003698B (en) * | 2019-04-15 | 2021-06-18 | 哈尔滨哈玻拓普复合材料有限公司 | Preparation method of high-weather-resistance hydrophobic gel coat resin for antenna housing |
| CN113067162B (en) * | 2021-03-30 | 2022-07-22 | 北京环境特性研究所 | Frequency selective wave-transmitting structure for multi-band filtering |
| CN115441178B (en) * | 2022-08-08 | 2023-10-20 | 哈尔滨哈玻拓普复合材料有限公司 | Geometric division method for spherical radome unit plates |
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2002
- 2002-06-07 CN CN 02111988 patent/CN1256788C/en not_active Expired - Fee Related
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| CN1464590A (en) | 2003-12-31 |
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Granted publication date: 20060517 Termination date: 20110607 |