CN209895070U - Reflecting mirror with I-shaped structure - Google Patents
Reflecting mirror with I-shaped structure Download PDFInfo
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- CN209895070U CN209895070U CN201921091181.8U CN201921091181U CN209895070U CN 209895070 U CN209895070 U CN 209895070U CN 201921091181 U CN201921091181 U CN 201921091181U CN 209895070 U CN209895070 U CN 209895070U
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Abstract
The utility model discloses a reflecting mirror with I-shaped structure, which comprises a reflecting mirror body, a reinforcing rib, a thin boss, a fixed mounting hole, a supporting column and a mounting base, wherein the reflecting mirror body and the mounting base are arranged in parallel, and the reflecting mirror body and the mounting base are both vertical to the supporting column, the I-shaped structure reflecting mirror based on brittle materials such as silicon carbide and the like has large caliber, light weight, high surface precision and good environmental adaptability, because the reflecting mirror body, the supporting column and the mounting base are integrally processed by the same material, the surface precision of large temperature range can be ensured, the integrally processing of the same material simplifies the mounting steps, the assembly difficulty and lightens the weight of the system, meanwhile, because the I-shaped structure design is adopted, the stress caused by the mounting process, the working process, the environmental change and the like can not be directly conducted to the reflecting mirror surface, the coupling influence of the stress on the surface is reduced, thereby ensuring the surface shape precision.
Description
Technical Field
The utility model relates to the technical field of optics, specifically be a speculum of i-shaped structure.
Background
For a photoelectric imaging system, the surface accuracy after the reflector is installed plays a crucial role in the imaging quality, and especially when the reflector is applied to an imaging photoelectric system in severe military and space environments, the surface accuracy, the volume and the weight still need to be ensured, which puts high requirements on the installation process and the structural design;
at present, the surface shape precision of a common fused quartz reflector can be very good, but a certain mirror thickness ratio needs to be met, namely the larger the caliber of the mirror surface is, the thicker the thickness is, the higher the precision surface shape can be ensured, the weight is greatly increased, and the fused quartz reflector is not suitable for certain light-weight application;
materials such as silicon carbide and microcrystalline glass are materials which are commonly used in current photoelectric systems and can ensure high-precision surface type and simultaneously carry out lightweight design, a small-size reflector can be fixed by adopting a six-degree-of-freedom positioning and pressing block pressing mode, as shown in figure 3, for a large caliber, the mode that the commonly used reflector is glued to the back side of the reflector is realized, as shown in figure 4, the installation mode needs to consider the shrinkage rate of a glue layer, the thickness of the glue layer, the shape of the glue layer, the thermal expansion coefficient between the glue, a fixing piece and a reflector silicon carbide material, and the like, and needs a long time of process groping. The assembly cost is extremely high.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to provide a reflector with an i-shaped structure to solve the above-mentioned problems in the background art.
In order to solve the technical problem, the utility model provides a following technical scheme: the reflector with the I-shaped structure comprises a reflector body, reinforcing ribs, a thin boss, a fixing mounting hole, a supporting column and a mounting base, wherein the reflector body and the mounting base are arranged in parallel, the reflector body and the mounting base are perpendicular to the supporting column, the reflector body, the supporting column and the mounting base are in the I-shaped structure, and the reflector body, the supporting column and the mounting base are integrally processed.
Further, three, but not limited to three, strengthening ribs are arranged on the back surface of the reflector body.
Furthermore, the central line of the supporting column is perpendicular to the reflecting surface of the reflector body, the central line of the supporting column penetrates through the central point of the mounting base, and the supporting column is perpendicular to the mounting base.
Furthermore, the mounting base is a light-weight base structure with three or more than three rotationally symmetrically distributed supporting legs.
Furthermore, a lightening hole is formed in the joint of the supporting column and the mounting base, and the lightening hole is a circular lightening hole but is not limited to a circular shape.
Furthermore, the supporting legs on the installation base are provided with fixed installation holes, and the distances from the centers of all the fixed installation holes to the center of the supporting column are equal.
Furthermore, a thin boss is processed on the supporting leg of the mounting base, the thin boss is annular, and the inner diameter of the thin boss is the same as that of the fixed mounting hole.
Compared with the prior art, the utility model discloses the beneficial effect who reaches is: heavy-calibre based on brittle materials such as carborundum, lightweight, high face type precision, I-shaped structure speculum that environmental suitability is good, because the speculum body, the support column, the installation base is same kind of material integrated into one piece, consequently, can guarantee the face type precision of big temperature range, same kind of material integrated into one piece processing simplifies the installation procedure, the assembly degree of difficulty and lightening system weight, and simultaneously, owing to adopted I-shaped structural design, consequently, the stress that causes such as installation, the working process, environmental change can not directly conduct on the speculum mirror face, the coupling influence of stress opposite face type has been reduced, thereby the shape of face precision has been guaranteed.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the overall three-dimensional structure of the present invention;
FIG. 2 is a schematic overall side view of the present invention;
FIG. 3 is a schematic view of a prior art mirror structure of a photovoltaic system;
FIG. 4 is a schematic view of the assembly positioning of the reflector and the connecting structure of the prior art optoelectronic system;
in the figure: 1. a mirror body; 2. reinforcing ribs; 3. a thin boss; 4. fixing the mounting hole; 5. a support pillar; 6. and (5) installing a base.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a reflector with an I-shaped structure comprises a reflector body 1, reinforcing ribs 2, thin bosses 3, a fixed mounting hole 4, supporting columns 5 and a mounting base 6, wherein the reflector body 1 and the mounting base 6 are arranged in parallel, the reflector body 1 and the mounting base 6 are perpendicular to the supporting columns 5, the reflector body 1, the supporting columns 5 and the mounting base 6 are in I-shaped structures, the reflector body 1, the supporting columns 5 and the mounting base 6 are integrally processed, three reinforcing ribs 2 but not limited to three are arranged on the back of the reflector body 1, the reflector is light-weighted, meanwhile, the reflector is used for enhancing the rigidity, the strength and the optical surface type precision of the reflector, the eigen frequency of the reflector is improved, the using amount is reduced, the cost is saved, the central line of the supporting columns 5 is perpendicular to the reflecting surface of the reflector body 1, the central line of the supporting columns 5 penetrates through the central point of the mounting base 6, and the supporting columns 5 are, the installation base 6 is a light-weight base structure with three or more than three support legs which are rotationally and symmetrically distributed, under the condition of ensuring the structural rigidity and strength, the light weight is further realized, a lightening hole is formed at the joint of the support column 5 and the installation base 6, the lightening hole is a circular lightening hole but is not limited to a circle, the support legs on the installation base 6 are provided with fixed installation holes 4, the distances from the centers of all the fixed installation holes 4 to the center of the support column 5 are equal, a thin boss 3 is processed on the support leg of the installation base 6, the thin boss 3 is in a circular ring shape, the inner diameter of the thin boss 3 is the same as that of the fixed installation holes 4, and the influence of installation stress is further reduced; the I-shaped structure reflector provided by the embodiment of the utility model has the advantages that the relative assembly position is realized by the positions of the thin bosses 3 of the installation base 6, the fixed installation holes 4 and the fixed installation holes 4 in the design stage, and the relative assembly precision is realized by the requirement of processing precision;
the installation is simple, and in the actual assembly process, because the reflector body 1, the support column 5 and the installation base 6 are integrally processed by the same material, the installation steps of the I-shaped reflector and an external system are simple, the installation and the adjustment are easy, and the consistency debugging and the calibration of the optical axis are not needed any more;
the influence of the installation stress is small, and the stress generated by flatness error and screw locking in the installation process can not be directly transmitted to the reflector surface due to the decoupling function of the I-shaped structure of the reflector;
the stress generated in the installation process can not be directly transmitted to the reflector surface, and the attenuation ratio is up to 100 times, so that the surface type precision is ensured;
the temperature adaptability is good, and the reflector body 1, the supporting columns 5 and the mounting base 6 are integrally processed by the same material, so that when the environment changes, the reflector body 1 does not generate mirror surface deformation due to the mismatching of the thermal expansion coefficients of other materials, and is suitable for space application;
compared with a fused quartz reflector with the same size, the I-shaped reflector has very thin thickness under the same surface precision condition, so that the I-shaped reflector has smaller rotational inertia and higher resonant frequency, and is suitable for the conditions with high adaptability requirements on weight, impact vibration and the like;
the weight loss comparison table shows that the silicon carbide reflector has a weight loss of up to 2.7 times that of the fused quartz reflector.
The application range is wide, and the I-shaped structure reflector and an external system are fixedly connected by screws, so that the problems of air release rate, glue aging and the like in a space environment in a traditional gluing mode are solved;
the working process is stable, the mirror surface looseness can not be generated in the rotating process of the reflector body 1, and the stress generated by movement can not be directly transmitted to the reflector surface due to the decoupling effect of the I-shaped structure, so that the imaging quality is not influenced;
the reflector is convenient to disassemble, and is different from the traditional adhesive reflector in that the I-shaped reflector is simple in disassembling steps, the influence of disassembling on the reflector and an external system is small, and the reflector and the external system can be repeatedly used.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a speculum of I-shaped structure, includes speculum body (1), strengthening rib (2), thin boss (3), fixed mounting hole (4), support column (5) and installation base (6), its characterized in that: the reflecting mirror body (1) and the mounting base (6) are arranged in parallel, the reflecting mirror body (1) and the mounting base (6) are perpendicular to the supporting column (5), the reflecting mirror body (1), the supporting column (5) and the mounting base (6) are of an I-shaped structure, and the reflecting mirror body (1), the supporting column (5) and the mounting base (6) are integrally processed.
2. The i-type structure mirror of claim 1, wherein: three but not three strengthening ribs (2) that the back of speculum body (1) set up.
3. The i-type structure mirror of claim 1, wherein: the central line of support column (5) is perpendicular with the plane of reflection of speculum body (1), the central point of installation base (6) is passed to the central line of support column (5), support column (5) are perpendicular with installation base (6).
4. The i-type structure mirror of claim 1, wherein: the mounting base (6) is a light-weight base structure with three or more than three rotationally symmetrically distributed supporting legs.
5. The i-type structure mirror of claim 1, wherein: a joint of the supporting column (5) and the mounting base (6) is provided with a lightening hole which is a circular lightening hole but is not limited to a circular shape.
6. The i-type structure mirror of claim 1, wherein: the supporting legs on the mounting base (6) are provided with fixed mounting holes (4), and the distances from the centers of all the fixed mounting holes (4) to the center of the supporting column (5) are equal.
7. The i-type structure mirror of claim 1, wherein: a thin boss (3) is processed on the supporting leg of the mounting base (6), the thin boss (3) is in a circular ring shape, and the inner diameter of the thin boss (3) is the same as that of the fixed mounting hole (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921091181.8U CN209895070U (en) | 2019-07-12 | 2019-07-12 | Reflecting mirror with I-shaped structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921091181.8U CN209895070U (en) | 2019-07-12 | 2019-07-12 | Reflecting mirror with I-shaped structure |
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| CN209895070U true CN209895070U (en) | 2020-01-03 |
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| CN201921091181.8U Active CN209895070U (en) | 2019-07-12 | 2019-07-12 | Reflecting mirror with I-shaped structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110187467A (en) * | 2019-07-12 | 2019-08-30 | 上海乂义实业有限公司 | A kind of reflecting mirror of drum structure |
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2019
- 2019-07-12 CN CN201921091181.8U patent/CN209895070U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110187467A (en) * | 2019-07-12 | 2019-08-30 | 上海乂义实业有限公司 | A kind of reflecting mirror of drum structure |
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