CN204516903U - A kind of novel high-precision carbon fiber subreflector - Google Patents
A kind of novel high-precision carbon fiber subreflector Download PDFInfo
- Publication number
- CN204516903U CN204516903U CN201520238912.2U CN201520238912U CN204516903U CN 204516903 U CN204516903 U CN 204516903U CN 201520238912 U CN201520238912 U CN 201520238912U CN 204516903 U CN204516903 U CN 204516903U
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- China
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- carbon fiber
- supporting component
- front covering
- subreflector
- novel high
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Abstract
A kind of novel high-precision carbon fiber subreflector, it comprises front covering and the supporting component for supporting front covering, described supporting component put down ride over front covering cavity in, the marginal portion of supporting component is connected with the pocket surfaces of front covering, gap is left between the mid portion of supporting component and the pocket surfaces of front covering, supporting component is discoid, edge along mid portion is extended with and is affixed with front covering cavity the marginal portion merging and be connected, the mid portion of described supporting component is provided with the bending for strengthening rigidity, front covering comprises the metallic reflector of round concavity and is affixed with metallic reflector surface of internal cavity the carbon fiber layer merging and be connected, supporting component has comprised the sandwich of main supporting role, the lower surface of sandwich is fitted and is connected with the first carbon fiber layer, the upper surface of sandwich is fitted and is connected with the second carbon fiber layer, the cavity structure heat conduction that the utility model uses is faster, having a narrow range of temperature of front and the back side, be conducive to the change of adaptive temperature.
Description
Technical field
The utility model belongs to antenna subreflector field, particularly a kind of novel high-precision carbon fiber subreflector.
Background technology
Along with communication, observing and controlling, the developing rapidly of radio astronomy technology, working frequency range is more and more higher, the demand of big-and-middle-sized antenna is more and more extensive, not only have higher requirement to the precision of antenna main reflector, the antenna subreflector as one of dual reflector antenna important component part has also welcome larger challenge.Antenna profile degree mean square deviation is still to high-precision definition (r.m.s.)≤λ/100, cm wave antenna profile tolerance mean square deviation requires as 10-1 magnitude, and mm wave antenna mean square deviation should be 10-2 magnitude both at home and abroad so far.And the ratio of precision antenna main reflector required precision of antenna subreflector is higher, be generally 1/3 of primary reflection surface mean square deviation (r.m.s.), all needing according to purposes to high accuracy, superhigh precision development both at home and abroad.
High accuracy subreflector traditional diamond-making technique is all obtained, within precision generally can arrive 0.1mm (r.m.s.) by digital control processing cast aluminium or aluminium bar etc.; Also report is had, after strengthening the rigidity of subreflector, 0.05mm (r.m.s.) can be worked into, but will through repeatedly annealing and centering benchmark digital control processing again, and precision is difficult to improve, within especially bringing up to 0.03mm (r.m.s.) again.
Conventional metals subreflector has following deficiency:
1, traditional numeric-control processing technology will expect that high accuracy subreflector must increase the rigidity of minor face, subreflector weight will certainly be increased, also will strengthen simultaneously and support subreflector structure, the product for the weight demands harshness such as airborne, spaceborne cannot satisfy the demands;
2, the subreflector obtained with intermetallic composite coating need strengthen the protection to product when applying under the wet environments such as coastal, boats and ships, to ensure useful life;
3, when the area application that the circumstance of temperature difference such as polar region are very large, it is poor that Metallic Pairs reflecting surface protects precision capability, because thermal expansion metal coefficient is large, deformation can occur with circumstance of temperature difference change, cause precision unstable, permanent distortion even occurs and causes afunction.
Utility model content
The purpose of this utility model is avoid the weak point in above-mentioned background technology and provide a kind of novel high-precision carbon fiber subreflector, the subreflector of the utility model manufacture has lightweight, that precision is high, rigidity is large feature, be specially adapted to the subreflector of big-and-middle-sized antenna, also have corrosion-resistant, Heat stability is good, structure simple, add that technique is simple, stable and reliable for performance, production environment compares features such as being easy to realization.
For solving the problems of the technologies described above, technical solution adopted in the utility model is:
A kind of novel high-precision carbon fiber subreflector, it comprises, front covering and the supporting component for supporting front covering, described supporting component put down ride over front covering cavity in, the marginal portion of supporting component is connected with the pocket surfaces of front covering, leaves gap between the mid portion of supporting component and the pocket surfaces of front covering.
Further, described supporting component is discoid, and the edge along mid portion is extended with and is affixed with front covering cavity the marginal portion merging and be connected.
Further, the mid portion of described supporting component is provided with the bending for strengthening rigidity.
Further, described front covering comprises the metallic reflector of round concavity and is affixed with metallic reflector surface of internal cavity the carbon fiber layer merging and be connected.
Further, described supporting component has comprised the sandwich of main supporting role, and the lower surface of sandwich is fitted and is connected with the first carbon fiber layer, and the upper surface of sandwich is fitted and is connected with the second carbon fiber layer.
Further, described supporting component is provided with interface embedded part.
Further, outer rim and the supporting component outer rim of described front covering flush, and are upwards extended with along the outer rim of front covering the carbon fiber board wrapping up supporting component lateral circle surface.
The utility model and other compared with prior art have the following advantages:
Compared with muscle-stressed-skin construction, technique is more succinct, and rigidity is better, and the reflector precision obtained is higher;
Compared with covering-sandwich structure, reflecting surface is when being subject to temperature shock, and the subreflector covering that the utility model obtains is thin, cavity structure makes heat conduction faster, and the temperature difference at front and the back side is less, is more conducive to the change of adaptive temperature.
The utility model is when process implementing, less demanding to workman, production environment, be easy to realize, and the Product Precision obtained is apparently higher than other type products.
The scheme that the utility model adopts, structure is simple, novel, comprises money covering and supporter two parts altogether, is integrated by adhesive curing, and operating process is simple, and environment is easy to realize, and has engineer applied widely and is worth.
Supporter designed by the utility model adopts sandwich, embedded part, carbon fiber layer one-step solidification moulding, and technological process is succinct, and gained supporting component is lightweight, and rigidity is large, provides rigid foundation for obtaining high-precision carbon fiber subreflector.
The utility model is different from conventional machine processing technology completely, the carbon fiber utilizing specific stiffness large as basis material, the feature such as the subreflector obtained is lightweight, precision is high, rigidity is large, corrosion-resistant, Heat stability is good.
Accompanying drawing illustrates:
Fig. 1 is the utility model sectional structure schematic diagram;
Fig. 2 is the utility model vertical view;
Description of reference numerals: mid portion-a, marginal portion-b, the second carbon fiber layer-2, sandwich 3, first carbon fiber layer-4, front covering-5;
Embodiment
With reference to the accompanying drawings the utility model is further described
As shown in Figure 1, a kind of novel high-precision carbon fiber subreflector, it comprises, front covering 5, described front covering 5 comprises the metallic reflector of round concavity and is affixed with metallic reflector surface of internal cavity the carbon fiber layer merging and be connected, in the cavity of described front covering, flat taking is fixed with supporting component, described supporting component is discoid, disk center region is in depression the bending of shape, described supporting component comprises mid portion a, this mid portion a put down take described in the cavity of front covering, the edge of this mid portion merges with the cavity kissing of front covering and is connected, this mid portion is made to float on the top at front covering center, gap is left between the pocket surfaces and supporting component of front covering, between front covering and this mid portion, isolated overdose space out can effective, outer rim along the mid portion of described supporting component is extended with and is affixed with front covering cavity the marginal portion b merging and be connected, the described outer rim of front covering and the outer rim of supporting component flush, and be upwards extended with along the outer rim of front covering the carbon fiber board wrapping up supporting component lateral circle surface, described supporting component has comprised the sandwich 3 of main supporting role, the lower panel of this sandwich is fitted and is connected with the first carbon fiber layer 4, the top panel of described sandwich is fitted and is connected with the second carbon fiber layer 2, described supporting component installs two interface embedded parts.
According to Fig. 1 and Fig. 2, manufacturing process of the present utility model is set forth:
Covering Mathematical Modeling before resume, according to covering die before Design of Mathematical Model, adopts the mode of digital control processing cast iron materials to be processed into surface and has covering die before high-precision enveloping surface;
Front covering die adopts reflector, Transmetallation spray metal, and paving covers carbon fibre composite, forms the front covering in containing metal reflector after solidification;
Set up supporter Mathematical Modeling, according to Design of Mathematical Model supporter mould, adopt the mode of digital control processing cast iron materials to be processed into the supporter mould that surface has high-precision enveloping surface;
Supporter mould spreads successively and covers supporter first carbon fiber board 4, place interface embedded part, sandwich 3, second carbon fiber board 2, heating pressurization one solidifies the body that is supported;
Supporter is put down ride over front covering 5 cavity in, use adhesive by bonding for the two intersection, connected rear formation high-precision carbon fiber subreflector.
Claims (7)
1. a novel high-precision carbon fiber subreflector, is characterized in that: comprise front covering (5) and the supporting component for supporting front covering; Described supporting component put down ride over front covering cavity in, the marginal portion (b) of supporting component is connected with the pocket surfaces of front covering (5), leaves gap between the mid portion (a) of supporting component and the pocket surfaces of front covering (5).
2. a kind of novel high-precision carbon fiber subreflector according to claim 1, it is characterized in that: described supporting component is discoid, the edge along mid portion (a) is extended with and is affixed with front covering cavity the marginal portion (b) merging and be connected.
3. a kind of novel high-precision carbon fiber subreflector according to claim 1, is characterized in that: the mid portion (a) of described supporting component is provided with the bending for strengthening rigidity.
4. a kind of novel high-precision carbon fiber subreflector according to claim 1, is characterized in that: described front covering (5) comprises the metallic reflector of round concavity and is affixed with metallic reflector surface of internal cavity the carbon fiber layer merging and be connected.
5. a kind of novel high-precision carbon fiber subreflector according to claim 1, it is characterized in that: described supporting component has comprised the sandwich (3) of main supporting role, the lower surface of sandwich is fitted and is connected with the first carbon fiber layer (4), and the upper surface of sandwich is fitted and is connected with the second carbon fiber layer (2).
6. a kind of novel high-precision carbon fiber subreflector according to claim 1, is characterized in that: described supporting component is provided with interface embedded part.
7. a kind of novel high-precision carbon fiber subreflector according to claim 1, it is characterized in that: outer rim and the supporting component outer rim of described front covering (5) flush, and are upwards extended with along the outer rim of front covering (5) carbon fiber board wrapping up supporting component lateral circle surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520238912.2U CN204516903U (en) | 2015-04-20 | 2015-04-20 | A kind of novel high-precision carbon fiber subreflector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520238912.2U CN204516903U (en) | 2015-04-20 | 2015-04-20 | A kind of novel high-precision carbon fiber subreflector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204516903U true CN204516903U (en) | 2015-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520238912.2U Expired - Fee Related CN204516903U (en) | 2015-04-20 | 2015-04-20 | A kind of novel high-precision carbon fiber subreflector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204516903U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109687159A (en) * | 2018-12-27 | 2019-04-26 | 上海复合材料科技有限公司 | Ultralight high-precision rapid shaping antenna reflective face and preparation method thereof |
-
2015
- 2015-04-20 CN CN201520238912.2U patent/CN204516903U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109687159A (en) * | 2018-12-27 | 2019-04-26 | 上海复合材料科技有限公司 | Ultralight high-precision rapid shaping antenna reflective face and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 |