CN1075253C - 微波天线 - Google Patents
微波天线 Download PDFInfo
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- CN1075253C CN1075253C CN95191809A CN95191809A CN1075253C CN 1075253 C CN1075253 C CN 1075253C CN 95191809 A CN95191809 A CN 95191809A CN 95191809 A CN95191809 A CN 95191809A CN 1075253 C CN1075253 C CN 1075253C
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/061—Two dimensional planar arrays
- H01Q21/064—Two dimensional planar arrays using horn or slot aerials
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0087—Apparatus or processes specially adapted for manufacturing antenna arrays
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- Waveguide Aerials (AREA)
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Abstract
微波天线(10),它由一叠通常为平面的零件(14-22)组成,构成与波导管(38)相连通的喇叭(12)矩阵。这些通常为平面的零件(14-22)是镀金属的塑料件。这些零件(14-22)中的每一件具有一定的总厚度,它由厚度比较小,成型(通常由真空成型)成波纹形状的薄膜构成。
Description
本发明涉及天线,特别涉及(但不是唯一涉及)用于接受诸如采用卫星信号进行直接广播的微波信号的天线。
已知的平面天线包括与一个或多个波导管系统连通的喇叭矩阵,其中喇叭和波导管是由模压平面零件的夹层板组成的。平面零件可以是塑料模压件,具有经金属敷镀而形成的导电表面。例如可见我的已公布的国际专利申请WO89/09501和WO91/20109。
在前述类型的天线被证明是成功的同时,它们所公开的天线结构很难应用到实际的工业生产中。按照便于大量生产和降低生产成本的观点,有必要进一步改进。
因此,本发明提出一种天线,它包括若干以面对面关系固定在一起的通常为平面的零件,以形成具有镀金属表面的空腔矩阵和波导管系统,每个空腔至少与一个波导管道连通,每件平面零件具有一定的横切其主平面的总厚度,所述厚度由薄膜构成,形成通常为三维的波纹形状。
最好,每件平面零件均为真空成型件。
最好,每件平面零件均由塑料材料真空成型而成,此后,真空成型的零件至少有一侧镀以金属。
从另一方面,本发明提出生产天线的方法,包括若干通常为平面零件的成型,每件平面零件具有一定的横切其主平面的总厚度,所述厚度由薄膜构成,形成通常为三维的波纹形状;每件平面零件的一侧被镀以金属;平面零件以面对面关系的定位,用于形成空腔矩阵和波导管系统,每个空腔至少与一个波导管通道连通;和平面零件在一起的固定。
按发明的最佳形式,平面零件用超声焊接固定在一起;为此,平面零件的配合表面设置有肋或类似物,它们在超声焊接期间融合以形成焊缝。
现在将举例,结合附图,对本发明的实施例进行说明,其中:
图1是本发明提出的天线构件的等轴图,沿横向平面取剖面;
图2为放大比例的、图1的部分详图;
图3为用于将图1和2中组合件的零件固定在一起的最佳装置;
图4展示了波导管道修正形式的结构平面图;和
图5是沿图4中线5-5的边料放大剖面图。
特别参考图1和2,以10标志的天线构件通常为4×4接受喇叭12矩阵形状。实际上,构件10可和相似的构件组合成更大的矩阵作为单独的天线。天线构10通常包括5件平面零件14-22。
第一平面零件14组成喇叭12,每只喇叭具有锥状正方形截面,它终止于下壁24和圆形孔26。
第二和第三平面零件16,18共同确定与圆形孔26对准的圆柱形空腔28和沿天线构件10的长度而延伸的第一封闭的长方形截面通道30。空腔28终止于平面部份端壁32,确定D形狭缝34。
第四和第五平面零件20,22共同确定向着喇叭空腔的底截面36和第二封闭的长方形截面通道38。每一底截面36具有与D形狭缝34相对应的上部分39和组成与第二通道38之一相通的开口加顶的通道的上部分40。
如图2所示,第一通道30通过通路40与空腔26相连通。
平面组件14-22中的每一件都是由适当的塑料材料通过真空成型单独制成的。真空成型技术和材料在本质上都是众所周知的,因此这里将不详述。喇叭,空腔和通道的壁具有使每一零件有一波纹构造的作用,从而当五件零件固定在一起时,得到增强的合理刚性。
与此相称,真空成型后,每件组件的一侧以任何合适的形式镀以金属,这样,当这些组件固定在一起时,与接受微波辐射交界的喇叭、空腔和通道的表面是导电的镀金属表面。从而,如本质上已知的一样,通道30和38担任起空腔26的结构所分离的不同偏振微波信号的波导作用。
这五件零件可以任何合适的形式固定在一起。例如,它们可用粘合剂固定在一起。然而,本发明的最佳特性是藉助超声焊接将平面零件固定在一起。为此,如图3所示,诸如第一零件14的下表面50和第二零件16的上表面52的配合表面设置有肋54,它们在超声焊接期间融合以形成连续焊缝。
参考图4和5,这里展示模压零件60的另一种结构,它,例如替换上述实施例中的零件22,部分地确定波导管。
图4表示了一个12×12的矩阵,但应指出,这样的布置能用于任何需要的矩阵尺寸。
零件60又是真空成型的,其中成型了零件的单独薄膜以给出被侧腹板65连接的上表面62和下表面64用于确定波导管通道66。然而,在这一实施例中,上表面62只是被定义为波导管通道66附近的法兰,而在另外一处,零件被切去以形成空白的空间。
该结构特别有效,并使重量减轻约30%。此外,这一特殊设计使要求镀金属的面积范围达到最小。
Claims (8)
1、一种天线,它包括若干以面对面关系固定在一起的通常为平面的零件,以形成具有镀金属表面的空腔矩阵和波导管系统,每个空腔至少与一个波导管通道连通,每件平面零件具有一定的横切其主平面的总厚度,所述厚度由薄膜构成,形成通常为三维的波纹形状。
2、如权利要求1所述的天线,其中每件平面零件是真空成型件。
3、如权利要求2所述的天线,其中每件平面零件均由塑料材料真空成型而成,此后,真空成型的零件至少有一侧镀以金属。
4、如任一前述权利要求所述的天线,其中每件所述薄膜横越该天线整个面积是连续的。
5、如权利要求1至3中任一要求所述的天线,其中波导管通道是由一个所述薄膜部分地确定的,该薄膜被切去以便在不直接邻近波导管通道的薄膜区域形成空白的空间。
6、生产天线的一种方法,它包括若干通常为平面零件的成型,每件平面零件具有一定的横切其主平面的总厚度,所述厚度由薄膜构成,形成通常为三维的波纹形状;每件平面零件的一侧被镀以金属;平面零件以面对面关系的定位,用于形成空腔矩阵和波导管系统,每个空腔至少与一个波导管通道连通;以及平面零件在一起的固定。
7、如权利要求6所述的方法,其中平面零件采用超声焊接被固定在一起。
8、如权利要求7所述的方法,其中平面零件的配合表面设置有肋或类似物,它们在超声焊接期间融合形成焊缝。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9403752A GB9403752D0 (en) | 1994-02-26 | 1994-02-26 | Microwave antennas |
GB9403752.0 | 1994-02-26 | ||
GB9409692.2 | 1994-05-14 | ||
GB9409692A GB9409692D0 (en) | 1994-05-14 | 1994-05-14 | Microwave antennas |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1144019A CN1144019A (zh) | 1997-02-26 |
CN1075253C true CN1075253C (zh) | 2001-11-21 |
Family
ID=26304396
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN95191809A Expired - Fee Related CN1075253C (zh) | 1994-02-26 | 1995-02-24 | 微波天线 |
Country Status (13)
Country | Link |
---|---|
EP (1) | EP0746880B1 (zh) |
JP (1) | JPH10500261A (zh) |
KR (1) | KR100342111B1 (zh) |
CN (1) | CN1075253C (zh) |
AT (1) | ATE202658T1 (zh) |
AU (1) | AU1715595A (zh) |
CA (1) | CA2184080A1 (zh) |
DE (1) | DE69521497T2 (zh) |
DK (1) | DK0746880T3 (zh) |
ES (1) | ES2160698T3 (zh) |
GR (1) | GR3036740T3 (zh) |
PT (1) | PT746880E (zh) |
WO (1) | WO1995023440A1 (zh) |
Families Citing this family (139)
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GB9703748D0 (en) * | 1997-02-22 | 1997-04-09 | Fortel International Limited | Microwave antennas |
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CN1592845B (zh) * | 2001-11-26 | 2010-05-05 | Vega格里沙贝两合公司 | 用于液位测量装置的天线系统 |
US7109939B2 (en) * | 2002-05-14 | 2006-09-19 | Hrl Laboratories, Llc | Wideband antenna array |
WO2008069358A1 (en) * | 2006-12-08 | 2008-06-12 | Idoit Co., Ltd. | Horn array type antenna for dual linear polarization |
WO2008102987A1 (en) * | 2007-02-21 | 2008-08-28 | Idoit Co., Ltd. | Horn array type antenna for dual linear polarization |
KR20080105856A (ko) * | 2007-06-01 | 2008-12-04 | 주식회사 아이두잇 | 듀얼선형편파 혼어레이 안테나 |
KR101546777B1 (ko) * | 2007-09-03 | 2015-08-25 | 주식회사 아이두잇 | 스큐 필터가 적용된 듀얼 선형편파 혼어레이 안테나 |
WO2009031794A1 (en) * | 2007-09-03 | 2009-03-12 | Idoit Co., Ltd. | Horn array type antenna for dual linear polarization |
KR20090024039A (ko) | 2007-09-03 | 2009-03-06 | 주식회사 아이두잇 | 듀얼선형편파 혼어레이 안테나 |
WO2009078630A1 (en) * | 2007-12-14 | 2009-06-25 | Idoit Co., Ltd. | Horn array type antenna with skew filter |
WO2009093779A1 (en) * | 2008-01-25 | 2009-07-30 | Microface Co., Ltd | Feeding network structure for flat type antenna |
KR101536341B1 (ko) * | 2008-12-05 | 2015-07-15 | 주식회사 아이두잇 | 안테나용 어댑터 |
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WO1991020109A1 (en) * | 1990-06-14 | 1991-12-26 | Collins John Louis Frederick C | Microwave antennas |
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FR2523376A1 (fr) * | 1982-03-12 | 1983-09-16 | Labo Electronique Physique | Element rayonnant ou recepteur de signaux hyperfrequences a polarisations circulaires gauche et droite et antenne plane comprenant un reseau de tels elements juxtaposes |
GB2247990A (en) * | 1990-08-09 | 1992-03-18 | British Satellite Broadcasting | Antennas and method of manufacturing thereof |
-
1995
- 1995-02-24 KR KR1019960704676A patent/KR100342111B1/ko not_active IP Right Cessation
- 1995-02-24 AU AU17155/95A patent/AU1715595A/en not_active Abandoned
- 1995-02-24 PT PT95909057T patent/PT746880E/pt unknown
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- 1995-02-24 CN CN95191809A patent/CN1075253C/zh not_active Expired - Fee Related
- 1995-02-24 WO PCT/GB1995/000398 patent/WO1995023440A1/en active IP Right Grant
- 1995-02-24 AT AT95909057T patent/ATE202658T1/de not_active IP Right Cessation
- 1995-02-24 DK DK95909057T patent/DK0746880T3/da active
- 1995-02-24 ES ES95909057T patent/ES2160698T3/es not_active Expired - Lifetime
- 1995-02-24 DE DE69521497T patent/DE69521497T2/de not_active Expired - Fee Related
- 1995-02-24 EP EP95909057A patent/EP0746880B1/en not_active Expired - Lifetime
- 1995-02-24 JP JP7522212A patent/JPH10500261A/ja not_active Ceased
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Publication number | Priority date | Publication date | Assignee | Title |
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WO1991020109A1 (en) * | 1990-06-14 | 1991-12-26 | Collins John Louis Frederick C | Microwave antennas |
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Publication number | Publication date |
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DE69521497D1 (de) | 2001-08-02 |
DK0746880T3 (da) | 2002-01-07 |
JPH10500261A (ja) | 1998-01-06 |
EP0746880B1 (en) | 2001-06-27 |
KR970701435A (ko) | 1997-03-17 |
CN1144019A (zh) | 1997-02-26 |
ES2160698T3 (es) | 2001-11-16 |
GR3036740T3 (en) | 2001-12-31 |
KR100342111B1 (ko) | 2002-11-13 |
PT746880E (pt) | 2001-12-28 |
CA2184080A1 (en) | 1995-08-31 |
ATE202658T1 (de) | 2001-07-15 |
AU1715595A (en) | 1995-09-11 |
EP0746880A1 (en) | 1996-12-11 |
WO1995023440A1 (en) | 1995-08-31 |
DE69521497T2 (de) | 2002-05-29 |
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