CN102005635A - Composite parabolic antenna with octagonal central loading slice structure - Google Patents
Composite parabolic antenna with octagonal central loading slice structure Download PDFInfo
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- CN102005635A CN102005635A CN2010105813522A CN201010581352A CN102005635A CN 102005635 A CN102005635 A CN 102005635A CN 2010105813522 A CN2010105813522 A CN 2010105813522A CN 201010581352 A CN201010581352 A CN 201010581352A CN 102005635 A CN102005635 A CN 102005635A
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- arc limit
- parabolic antenna
- carrying tablet
- limit
- fanning strip
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Abstract
The invention discloses a composite parabolic antenna with an octagonal central loading slice structure, which comprises an octagonal central loading slice 1, annular fan-shaped slices 2 and single-arc-side rectangular slices 3. The invention adopts the technical scheme that the composite parabolic antenna adopts that the central loading slice of the composite parabolic antenna is arranged in a projection-shaped octagonal structure and the four annular fan-shaped slices and the single-arc-side rectangular slices are matched and split on the periphery of the structure, wherein the top sides of the annular fan-shaped slices are connected with the slant side of the octagonal central loading slice; the two sides of the annular fan-shaped slices are connected with the adjacent single-arc-side rectangular slices; the problems and the defects of focus shift and receiving gain reduction because the structure in the prior art influences the integral rigidness of the parabolic antenna after splitting; and the provided composite parabolic antenna with the octagonal central loading slice structure enhances the integral rigidness of the parabolic antenna after splitting and reaches the purposes of reducing the focus shift and stabilizing the receiving signal gain by utilizing the structure in which the octagonal central loading slice is directly connected with the annular fan-shaped slices.
Description
Technical field
The present invention relates to a kind of structure of parabolic antenna, the center carrying tablet that specifically is meant split-mounting type Satellite Television Ground Receiving Antenna parabolic antenna is the combination parabolic antenna of octagonal a kind of octagon center carrying tablet structure.
Background technology
Split-mounting type Satellite Television Ground Receiving Antenna parabolic antenna, be called for short the combination parabolic antenna, eight parabolic component assemblies by paraboloidal center carrying tablet and periphery are formed, and so-called center carrying tablet is meant the member that is positioned at eight parabolic members combination parabolic antenna center, the peripheral assembly unit of supporting; Consult Fig. 3, the combination parabolic antenna of prior art is because of cutting apart assembly unit by " well " font, the projection of shape of center carrying tablet is quadrangle, and the projection of shape of eight parabolic members that is assembled in periphery is respectively, four fan-shaped and four monolateral for the rectangle on arc limit be single arc limit rectangle; When making assembly unit, this structure have only the parabolic member of four single arc limit rectangles directly to fixedly connected with four limits of center carrying tablet, and four fan-shaped parabolic members can only be connected with the parabolic member of adjacent single arc limit rectangle, and do not have direct fixed connection point with the center carrying tablet; This indirect connected mode has influenced the integral rigidity of parabolic antenna after the assembly unit, in application, as is subjected to windage, and the fanning strip member can produce focus drifting, causes the receiving gain decay of parabolic antenna, and the signal reception reduces; Therefore, prior art constructions influences parabolic antenna integral rigidity after the assembly unit and has the problems and shortcomings of focus drifting, receiving gain decay.
Summary of the invention
Problems and shortcomings at above-mentioned prior art existence, the present invention adopts the center carrying tablet member make up parabolic antenna to be set to projection of shape to be octagonal structure, the member that cooperates assembly unit four loop fanning strips and single arc limit rectangular sheet at its periphery, wherein, the top margin of ring fanning strip is connected with the hypotenuse of octagon center carrying tablet, the technical scheme that the dual side-edge that encircles fanning strip simultaneously is connected with adjacent single arc limit rectangular sheet, the combination parabolic antenna of a kind of octagon center carrying tablet structure is provided, be intended to by the direct structure that is connected with the center carrying tablet of ring fanning strip, the integral rigidity of parabolic antenna reaches the minimizing focus drifting after the enhancing assembly unit, stablize the purpose of gain of received signal.
The object of the present invention is achieved like this: the combination parabolic antenna of a kind of octagon center carrying tablet structure, comprise octagon center carrying tablet, ring fanning strip, single arc limit rectangular sheet, wherein: described octagon center carrying tablet is to be positioned at parabolic hardware combination parabolic antenna center, the peripheral assembled paraboloid member of supporting; The projection of shape of octagon center carrying tablet is by a square and cuts the octagons that quadrangle becomes by 45 °, and wherein the limit that obtains of corner cut is called hypotenuse, and former foursquare surplus limit is called straight flange, and hypotenuse is less than straight flange;
Described ring fanning strip is the parabolic hardware that is positioned at combination parabolic antenna edge; The projection of shape of ring fanning strip is right angle, and fan-shaped to cut the rings that drift angle forms by 45 ° fan-shaped, cuts the limit that drift angle obtains and be called top margin, and the hypotenuse of top margin and described octagon center carrying tablet is isometric; The arc limit radius of ring fanning strip equates that with the projection radius of combination parabolic antenna two limits adjacent with the arc limit are called right-angle side;
Described single arc limit rectangular sheet is the parabolic hardware that is positioned at combination parabolic antenna edge; It is single arc limit rectangle of straight flange for its excess-three limit, arc limit on one side that the projection of shape of single arc limit rectangular sheet is; The arc limit radius of single arc limit rectangular sheet equates with the projection radius that makes up parabolic antenna, one side relative with the arc limit minor face that is called, the straight flange of minor face and described octagon center carrying tablet is isometric; Single arc limit rectangular sheet two limits of being parallel to each other adjacent with the arc limit are called long limit, and the right-angle side of long limit and described ring fanning strip is isometric;
Mutual alignment and annexation
During assembling, be the center with octagon center carrying tablet, four ring fanning strips and four single arc limit rectangular sheets are fixedly connected on the periphery of octagon center carrying tablet, and wherein, the hypotenuse of octagon center carrying tablet is fixedlyed connected with the top margin that encircles fanning strip; The straight flange of octagon center carrying tablet is fixedlyed connected with the minor face of single arc limit rectangular sheet; The right-angle side of ring fanning strip is fixedlyed connected with the long limit of single arc limit rectangular sheet.
Beneficial effect
The top margin of ring fanning strip directly is connected with the hypotenuse of octagon center carrying tablet, has strengthened the integral rigidity of parabolic antenna after the assembly unit.
Above-mentioned, the present invention adopts the center carrying tablet member make up parabolic antenna to be set to projection of shape to be octagonal structure, the member that cooperates assembly unit four loop fanning strips and single arc limit rectangular sheet at its periphery, wherein, the top margin of ring fanning strip is connected with the hypotenuse of octagon center carrying tablet, the technical scheme that the dual side-edge that encircles fanning strip simultaneously is connected with adjacent single arc limit rectangular sheet, having overcome prior art constructions influences parabolic antenna integral rigidity after the assembly unit and has focus drifting, the problems and shortcomings of receiving gain decay, the combination parabolic antenna of a kind of octagon center carrying tablet structure that is provided, by the direct structure that is connected with octagon center carrying tablet of ring fanning strip, strengthen the integral rigidity of parabolic antenna after the assembly unit, reached the minimizing focus drifting, stablize the purpose of gain of received signal.
Description of drawings
Fig. 1 is the structure perspective view of the combination parabolic antenna of octagon of the present invention center carrying tablet structure;
Fig. 2 is that the axis of no-feathering of the combination parabolic antenna of octagon of the present invention center carrying tablet structure is surveyed schematic diagram;
Fig. 3 is the structure perspective view of the combination parabolic antenna of prior art.
Below in conjunction with the embodiment in the accompanying drawing the present invention is described in further detail, but should not be construed as any limitation of the invention.
Among the figure: octagon center carrying tablet 1, hypotenuse 11, straight flange 12, ring fanning strip 2, top margin 21, right-angle side 22, single arc limit rectangular sheet 3, minor face 31, long limit 32.
Embodiment
Consult Fig. 1, Fig. 2, the combination parabolic antenna of a kind of octagon of the present invention center carrying tablet structure, comprise octagon center carrying tablet 1, ring fanning strip 2, single arc limit rectangular sheet 3, wherein: described octagon center carrying tablet 1 is for being positioned at parabolic hardware combination parabolic antenna center, the peripheral assembled paraboloid member of supporting; The projection of shape of octagon center carrying tablet 1 is by a square and cuts the octagons that quadrangle becomes by 45 °, and wherein the limit that obtains of corner cut is called hypotenuse 11, and former foursquare surplus limit is called straight flange 12, and hypotenuse 11 is less than straight flange 12;
Described ring fanning strip 2 is for being positioned at the parabolic hardware at combination parabolic antenna edge; The projection of shape of ring fanning strip 2 is right angle, and fan-shaped to cut the rings that drift angle forms by 45 ° fan-shaped, cuts the limit that drift angle obtains and be called top margin 21, and top margin 21 is isometric with the hypotenuse 11 of described octagon center carrying tablet 1; The arc limit radius of ring fanning strip 2 equates that with the projection radius of combination parabolic antenna two limits adjacent with the arc limit are called right-angle side 22;
Described single arc limit rectangular sheet 3 is for being positioned at the parabolic hardware at combination parabolic antenna edge; It is single arc limit rectangle of straight flange for its excess-three limit, arc limit on one side that the projection of shape of single arc limit rectangular sheet 3 is; The arc limit radius of single arc limit rectangular sheet 3 equates with the projection radius of combination parabolic antenna, one side relative with the arc limit minor face 31 that is called, the straight flange 12 of minor face 31 and described octagon center carrying tablet 1 is isometric; Rectangular sheet 3 two limits that are parallel to each other adjacent with the arc limit, single arc limit are called long limit 32, and long limit 32 is isometric with the right-angle side 22 of described ring fanning strip 2;
Mutual alignment and annexation
During assembling, be the center with octagon center carrying tablet 1, four ring fanning strips 2 and four single arc limit rectangular sheets 3 are fixedly connected on the periphery of octagon center carrying tablet 1, and wherein, the hypotenuse 11 of octagon center carrying tablet 1 is fixedlyed connected with the top margin 21 that encircles fanning strip 2; The straight flange 12 of octagon center carrying tablet 1 is fixedlyed connected with the minor face 31 of single arc limit rectangular sheet 3; The right-angle side 22 of ring fanning strip 2 is fixedlyed connected with the long limit 32 of single arc limit rectangular sheet 3.
Beneficial effect
The top margin 21 of ring fanning strip 2 directly is connected with the hypotenuse 11 of octagon center carrying tablet 1, has strengthened the integral rigidity of parabolic antenna after the assembly unit.
Claims (1)
1. the combination parabolic antenna of an octagon center carrying tablet structure, it is characterized in that: comprise octagon center carrying tablet (1), ring fanning strip (2), single arc limit rectangular sheet (3), described octagon center carrying tablet (1) is for being positioned at parabolic hardware combination parabolic antenna center, the peripheral assembled paraboloid member of supporting; The projection of shape of octagon center carrying tablet (1) is by a square and cuts the octagons that quadrangle becomes by 45 °, and wherein the limit that obtains of corner cut is called hypotenuse (11), and former foursquare surplus limit is called straight flange (12), and hypotenuse (11) is less than straight flange (12);
Described ring fanning strip (2) is for being positioned at the parabolic hardware at combination parabolic antenna edge; The projection of shape of ring fanning strip (2) is right angle, and fan-shaped to cut the rings that drift angle forms by 45 ° fan-shaped, cuts the limit that drift angle obtains and be called top margin (21), and top margin (21) is isometric with the hypotenuse (11) of described octagon center carrying tablet (1); The arc limit radius of ring fanning strip (2) equates that with the projection radius of combination parabolic antenna two limits adjacent with the arc limit are called right-angle side (22);
Described single arc limit rectangular sheet (3) is for being positioned at the parabolic hardware at combination parabolic antenna edge; It is single arc limit rectangle of straight flange for its excess-three limit, arc limit on one side that the projection of shape of single arc limit rectangular sheet (3) is; The arc limit radius of single arc limit rectangular sheet (3) equates with the projection radius of combination parabolic antenna, one side relative with the arc limit minor face (31) that is called, the straight flange (12) of minor face (31) and described octagon center carrying tablet (1) is isometric; Single arc limit rectangular sheet (3) two limits of being parallel to each other adjacent with the arc limit are called long limit (32), and long limit (32) is isometric with the right-angle side (22) of described ring fanning strip (2);
Mutual alignment and annexation are, with octagon center carrying tablet (1) is the center, four rings fanning strip (2) and four single arc limit rectangular sheets (3) are fixedly connected on the periphery of octagon center carrying tablet (1), wherein, the hypotenuse (11) of octagon center carrying tablet (1) is fixedlyed connected with the top margin (21) of ring fanning strip (2); The straight flange (12) of octagon center carrying tablet (1) is fixedlyed connected with the minor face (31) of single arc limit rectangular sheet (3); The right-angle side (22) of ring fanning strip (2) is fixedlyed connected with the long limit (32) of single arc limit rectangular sheet (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105813522A CN102005635A (en) | 2010-12-01 | 2010-12-01 | Composite parabolic antenna with octagonal central loading slice structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105813522A CN102005635A (en) | 2010-12-01 | 2010-12-01 | Composite parabolic antenna with octagonal central loading slice structure |
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| Publication Number | Publication Date |
|---|---|
| CN102005635A true CN102005635A (en) | 2011-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105813522A Pending CN102005635A (en) | 2010-12-01 | 2010-12-01 | Composite parabolic antenna with octagonal central loading slice structure |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3717879A (en) * | 1968-12-03 | 1973-02-20 | Neotec Corp | Collapsible reflector |
| US4862190A (en) * | 1987-05-15 | 1989-08-29 | Trw Inc. | Deployable offset dish structure |
| JPH0220901A (en) * | 1988-07-08 | 1990-01-24 | Nec Corp | Knocked-down antenna reflecting mirror |
| EP1168498A2 (en) * | 2000-06-30 | 2002-01-02 | Lockheed Martin Corporation | Semi-rigid bendable reflecting structure |
| JP2002141736A (en) * | 2000-10-30 | 2002-05-17 | Alps Electric Co Ltd | Primary radiator |
| CN201877567U (en) * | 2010-12-01 | 2011-06-22 | 宁波森富机电制造有限公司 | Combined parabolic antenna with octagonal central bearing slice structure |
-
2010
- 2010-12-01 CN CN2010105813522A patent/CN102005635A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3717879A (en) * | 1968-12-03 | 1973-02-20 | Neotec Corp | Collapsible reflector |
| US4862190A (en) * | 1987-05-15 | 1989-08-29 | Trw Inc. | Deployable offset dish structure |
| JPH0220901A (en) * | 1988-07-08 | 1990-01-24 | Nec Corp | Knocked-down antenna reflecting mirror |
| EP1168498A2 (en) * | 2000-06-30 | 2002-01-02 | Lockheed Martin Corporation | Semi-rigid bendable reflecting structure |
| JP2002141736A (en) * | 2000-10-30 | 2002-05-17 | Alps Electric Co Ltd | Primary radiator |
| CN201877567U (en) * | 2010-12-01 | 2011-06-22 | 宁波森富机电制造有限公司 | Combined parabolic antenna with octagonal central bearing slice structure |
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Application publication date: 20110406 |