CN113970825B - Optical fiber positioning unit integration device and method and astronomical telescope - Google Patents
Optical fiber positioning unit integration device and method and astronomical telescope Download PDFInfo
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- CN113970825B CN113970825B CN202111276993.1A CN202111276993A CN113970825B CN 113970825 B CN113970825 B CN 113970825B CN 202111276993 A CN202111276993 A CN 202111276993A CN 113970825 B CN113970825 B CN 113970825B
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- hollow shaft
- optical fiber
- shaft holes
- sleeve
- fiber positioning
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Astronomy & Astrophysics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention provides an optical fiber positioning unit integration device, an optical fiber positioning unit integration method and an astronomical telescope, wherein the optical fiber positioning unit integration device comprises a sleeve and an optical fiber positioning unit; the optical fiber positioning units are respectively integrated in the hollow shaft holes and used for installing and positioning optical fibers; the number of the sleeves is multiple, the sleeves are uniformly distributed on the mounting plate to be mounted, and the whole mounting plate to be mounted is fully paved. According to the optical fiber positioning unit integration device provided by the invention, the sleeve is provided with a plurality of hollow shaft holes for installing the optical fiber positioning units, and the installation of the optical fiber positioning units is realized by installing the sleeve on a plate to be installed. The invention avoids the problem of inconvenient installation caused by independently installing the optical fiber positioning units on the whole to-be-installed plate one by one.
Description
Technical Field
The invention relates to the technical field of large-day-area multi-target optical fiber spectrum astronomical telescope focal plane manufacturing, in particular to an optical fiber positioning unit integration device and method and an astronomical telescope.
Background
When the astronomical telescope is used for actually observing the celestial body, the optical fiber positioning device on the focal plane aligns the head of the optical fiber to the position of the celestial body star image, and the collected star image spectrum is transmitted to the spectrometer through the optical fiber. When the telescope is used for replacing the observation target in the observation sky area, the position of the optical fiber receiving head needs to be conveniently and flexibly adjusted so as to accurately align the optical fiber receiving head to the position of the celestial body to be measured. The optical fiber positioning device not only needs to have higher position precision, but also needs to be convenient to adjust and quick to position so as to correct various observation errors at any time. These requirements make positioning of the fiber head technically very difficult.
At present, large focal plane spectrum astronomical telescopes (such as China LAMOST) adopt focal plane subareas on a focal plane, an optical fiber positioning unit is installed in each subarea for positioning, and 4000 optical fibers are arranged in a spherical-crown-shaped focal plane with the linear diameter of 1.75 m. During observation, light emitted by the star image is guided into the spectrometer through 4000 optical fibers on the focal plane, converted into spectral data and recorded, so that the observation data of the star image is obtained.
The existing optical fiber positioning unit is small in single size, the number of the optical fiber positioning units is large, the distance between the installation points is small, and the installation is inconvenient.
Therefore, how to facilitate the installation of the fiber positioning unit on the focal plane is a technical problem to be solved by those skilled in the art.
Disclosure of Invention
In view of the above, a first object of the present invention is to provide an optical fiber positioning unit integrating device capable of facilitating mounting of an optical fiber positioning unit on a board to be mounted.
A second object of the invention is to provide an astronomical telescope.
A third object of the present invention is to provide a fiber unit integration method.
In order to achieve the first object, the present invention provides the following technical solutions:
an integrated device of an optical fiber positioning unit comprises a sleeve and the optical fiber positioning unit;
the optical fiber positioning device comprises a plurality of sleeves, a plurality of optical fiber positioning units and a positioning unit, wherein each sleeve is provided with a plurality of hollow shaft holes, and the optical fiber positioning units are respectively integrated in the hollow shaft holes and used for installing and positioning optical fibers;
the number of the sleeves is multiple, the sleeves are uniformly distributed on the mounting plate to be mounted, and the mounting plate is paved with the whole sleeves.
In a particular embodiment, the outer wall of the sleeve comprises an arcuate wall and a transition wall;
the arc-shaped wall covers the hollow shaft hole, the arc-shaped wall bends towards the axis direction of the hollow shaft hole, and the transition wall is in smooth transition connection with the adjacent arc-shaped wall and is externally tangent to the arc-shaped wall.
In another specific embodiment, the axes of the hollow axle holes are arranged in parallel, and the distance between adjacent hollow axle holes is equal.
In another specific embodiment, the sleeve is a plum blossom-shaped structure, the number of the hollow shaft holes on the sleeve is 3, and the central points of the hollow shaft holes are connected to form an equilateral triangle on the same end surface.
In another specific embodiment, the number of the hollow shaft holes on the sleeve is 4, and the central points of the hollow shaft holes are connected to form a rhombus on the same end face.
In another specific embodiment, the number of the hollow shaft holes on the sleeve is 5, the hollow shaft holes are divided into 2 rows, one row is 2, and the other row is 3;
and on the same end face, the central points of the hollow shaft holes are connected to form a trapezoid.
In another specific embodiment, the number of the hollow shaft holes on the sleeve is 6, the hollow shaft holes are divided into 2 rows, and each row is 3;
and on the same end face, the central points of the hollow shaft holes are connected to form a parallelogram.
In another specific embodiment, the number of the hollow shaft holes on the sleeve is 7, and the hollow shaft holes are divided into 3 rows;
the number of the middle row is 3, the number of the two rows at the two sides is 2, the hollow shaft holes of the middle row are symmetrically arranged,
or
The number of the middle row and any one of the two sides is 2, and the number of the other row is 3.
In another specific embodiment, the plate to be mounted is provided with a mounting hole matched with the outer wall of the sleeve in shape, and the sleeve is fixed in the mounting hole.
The various embodiments according to the invention can be combined in any desired manner, and the embodiments obtained after such combination are also within the scope of the invention and are part of the specific embodiments of the invention.
According to the technical scheme, the sleeve is provided with a plurality of hollow shaft holes for installing the optical fiber positioning units, and the optical fiber positioning units are installed by installing the sleeve on the plate to be installed. The invention avoids the problem of inconvenient installation caused by independently installing the optical fiber positioning units on the whole to-be-installed plate one by one.
In order to achieve the second object, the present invention provides the following technical solutions:
an astronomical telescope comprising a fibre optic positioning unit assembly as claimed in any one of the preceding claims.
The astronomical telescope disclosed by the invention comprises the optical fiber positioning unit integration device in any item, so the optical fiber positioning unit integration device has the beneficial effects that the astronomical telescope disclosed by the invention comprises.
In order to achieve the third object, the present invention provides the following technical solutions:
a fiber unit integration method, comprising:
positioning and installing the optical fiber into the optical fiber positioning unit;
sequentially installing the optical fiber positioning units into hollow shaft holes formed in the sleeve;
and paving the sleeve on the whole plate to be installed.
The invention avoids the problem of inconvenient installation caused by independently installing the optical fiber positioning units on the whole to-be-installed plate one by one.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic three-dimensional structure of a sleeve having 3 hollow shaft bores provided by the present invention;
FIG. 2 is a schematic front view of the structure of FIG. 1;
FIG. 3 is a schematic three-dimensional view of a ferrule having 3 hollow axial bores for receiving an optical fiber positioning unit according to the present invention;
FIG. 4 is a schematic layout of the integrated optical fiber positioning unit of FIG. 3 laid on a board to be mounted;
FIG. 5 is a schematic front view of a sleeve having 4 hollow shaft holes according to the present invention;
FIG. 6 is a schematic layout of the integrated optical fiber positioning unit of FIG. 5 laid on a board to be mounted;
FIG. 7 is a front view of a sleeve having 5 hollow shaft holes according to the present invention;
FIG. 8 is a schematic layout of the integrated optical fiber positioning unit of FIG. 7 laid on a board to be mounted;
FIG. 9 is a front view of a sleeve having 6 hollow shaft holes according to the present invention;
FIG. 10 is a schematic layout of the integrated optical fiber positioning unit of FIG. 9 laid on a board to be mounted;
FIG. 11 is a front view of a sleeve having 7 hollow shaft holes according to the present invention;
FIG. 12 is a schematic layout of the integrated optical fiber positioning unit of FIG. 11 laid on a board to be mounted;
FIG. 13 is a front view of another sleeve having 7 hollow shaft bores in accordance with the present invention;
fig. 14 is a schematic layout of the integrated optical fiber positioning unit of fig. 13 laid on a board to be mounted.
Wherein, in fig. 1-14:
the optical fiber positioning device comprises a sleeve 1, an optical fiber positioning unit 2, a plate to be mounted 3, a hollow shaft hole 101, an arc-shaped wall 102, a transition wall 103 and an integrated optical fiber positioning unit 4.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the position or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1-14, a first aspect of the present invention discloses a fiber positioning unit integrated device for facilitating the installation of a fiber positioning unit 2 onto a board 3 to be installed.
The optical fiber positioning unit integrated device comprises a sleeve 1 and optical fiber positioning units 2, specifically, the number of the sleeve 1 is multiple, each sleeve 1 is provided with a plurality of hollow shaft holes 101, and the optical fiber positioning units 2 are respectively integrated in the hollow shaft holes 101 and used for installing and positioning optical fibers. The ferrule 1 and the fiber positioning unit 2 are integrated into an integrated fiber positioning unit 4.
The optical fiber positioning unit 2 is a rotary structure, specifically, the rotary structure is a double-rotary structure or a single-rotary structure, and the like, and the structure capable of driving the optical fiber positioning unit 2 to rotate is all within the protection scope of the present invention.
This embodiment uses revolution mechanic as two revolution mechanic as an example, two revolution mechanic include the hollow shaft, the bearing, the eccentric shaft, eccentric shaft gear, the eccentric shaft motor, eccentric support, the optic fibre frame, the center pin internal gear, center pin step motor and center motor shaft gear, the hollow shaft passes through the bearing rotatable fixing in hollow shaft hole 101, optic fibre passes the hollow shaft, eccentric support mounting is on the terminal surface of hollow shaft, the eccentric shaft motor is installed on eccentric support, and pass through reduction gear transmission with the eccentric shaft and be connected, the optic fibre frame is installed on the eccentric shaft, and be used for the head of fixed optic fibre. A gear of a central motor shaft is arranged on an output shaft of the central shaft stepping motor, an internal gear of the central shaft is arranged on the central shaft, and the gear of the central motor shaft is in meshing transmission with the internal gear of the central shaft.
The number of sleeve 1 is a plurality of, and the equipartition is on treating mounting panel 3, and it is whole to be waited mounting panel 3 to fill up.
Of course, in order to further improve the utilization of the board 3 to be mounted, if there is insufficient space to mount one sleeve 1 but enough to mount a single optical fiber positioning unit 2 at the edge of the board 3 to be mounted, a corresponding number of single holes may be opened at the edge to mount the optical fiber positioning unit 2.
According to the optical fiber positioning unit integration device provided by the invention, the sleeve 1 is provided with a plurality of hollow shaft holes 101 for installing the optical fiber positioning units 2, and the installation of the optical fiber positioning units 2 is realized by installing the sleeve 1 on the board 3 to be installed. The invention avoids the problem of inconvenient installation caused by independently installing the optical fiber positioning units 2 on the whole board to be installed 3 one by one.
In some embodiments, the outer wall of the sleeve 1 includes an arc wall 102 and a transition wall 103, the arc wall 102 covers the hollow shaft hole 101, and the arc wall 102 is bent toward the axial direction of the hollow shaft hole 101, the transition wall 103 is in smooth transition connection with the adjacent arc wall 102 and is arranged externally tangent to the arc wall 102, that is, the arc wall 102 protrudes outwards, and the transition wall 103 is recessed inwards, so as to reduce the occupied area of the sleeve 1 and further increase the number of sleeves 1 mounted on the board 3 to be mounted.
Specifically, the sleeve 1 is integrally formed, and the outer wall of the sleeve 1 is smooth.
In some embodiments, the axes of the hollow axle holes 101 are arranged in parallel, with adjacent hollow axle holes 101 being equally spaced. The pitch of the hollow shaft hole 101 may be adjusted as necessary.
In some embodiments, as shown in fig. 1, fig. 2 and fig. 4, the number of the hollow shaft holes 101 on the sleeve 1 is 3, and at the same end face, the sleeve 1 is in a quincunx structure, and the central points of the hollow shaft holes 101 are connected to form an equilateral triangle.
The shape of the sleeve 1 is not limited to the above shape, and may be other shapes, for example, as shown in fig. 5 and 6, the number of the hollow shaft holes 101 in the sleeve 1 is 4, and the center points of the hollow shaft holes 101 on the same end face are connected to form a diamond shape.
As shown in fig. 7 and 8, the number of the hollow shaft holes 101 on the sleeve 1 is 5, the hollow shaft holes 101 are divided into 2 rows, one row is 2, the other row is 3, and the central points of the hollow shaft holes 101 are connected to form a trapezoid on the same end surface.
As shown in fig. 9 and 10, the number of the hollow shaft holes 101 on the sleeve 1 is 6, the hollow shaft holes 101 are divided into 2 rows, each row is 3, and the central points of the hollow shaft holes 101 are connected to form a parallelogram on the same end face.
As shown in fig. 11 and 12, the number of the hollow shaft holes 101 in the sleeve 1 is 7, the hollow shaft holes 101 are divided into 3 rows, the number of the middle row is 3, the number of the two rows on both sides is 2, and the hollow shaft holes 101 are symmetrically arranged with respect to the middle row.
As shown in fig. 13 and 14, the number of the hollow shaft holes 101 in the sleeve 1 is 7, the hollow shaft holes 101 are divided into 3 rows, the number of any one row of the middle row and both sides is 2, and the number of the other row is 3.
It should be noted that the number and arrangement of the hollow shaft holes 101 may be changed and set as required.
In some embodiments, the plate 3 to be mounted is provided with a mounting hole, the shape of the mounting hole is matched with the shape of the outer wall of the sleeve 1, and the sleeve 1 is fixed in the mounting hole. Specifically, the sleeve 1 is inserted into the mounting hole.
Compared with the existing optical fiber positioning unit 2, the integrated optical fiber positioning unit 2 is more suitable for installation than a single optical fiber positioning unit 2, and the number of required installation units is reduced due to multiple integration.
In control, the integrated unit reduces the number of units required under the condition of the same number of optical fibers, reduces the control difficulty, reduces the using quantity of chips and improves the influence of the heating condition on observation.
In a second aspect, the invention discloses an astronomical telescope comprising an optical fiber positioning unit integrated device as described in any one of the embodiments above.
Since the astronomical telescope disclosed by the invention comprises the optical fiber positioning unit integration device in any one of the embodiments, the optical fiber positioning unit integration device has the beneficial effects that the astronomical telescope disclosed by the invention comprises.
The third aspect of the invention discloses an optical fiber unit integration method, which comprises the following steps:
step S1: and positioning and installing the optical fiber into the optical fiber positioning unit.
Step S2: and sequentially installing the optical fiber positioning units into the hollow shaft holes formed in the sleeve.
A plurality of hollow shaft holes are formed in the sleeve, and particularly, the sleeve can be subjected to injection molding and the like.
And step S3: the sleeve is spread over the entire panel to be mounted.
The sleeves are uniformly distributed on the plate to be mounted.
The positions of step S1 and step S2 can be switched.
The invention avoids the problem of inconvenient installation caused by independently installing the optical fiber positioning units on the whole plate to be installed one by one.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and inventive features disclosed herein.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Claims (8)
1. An integrated device of an optical fiber positioning unit is characterized by comprising a sleeve and the optical fiber positioning unit;
the optical fiber positioning device comprises a plurality of sleeves, a plurality of optical fiber positioning units and a positioning unit, wherein each sleeve is provided with a plurality of hollow shaft holes, and the optical fiber positioning units are respectively integrated in the hollow shaft holes and used for installing and positioning optical fibers;
the number of the sleeves is multiple, the sleeves are uniformly distributed on the plate to be mounted and are paved on the whole plate to be mounted, mounting holes matched with the shape of the outer wall of each sleeve are formed in the plate to be mounted, and the sleeves are fixed in the mounting holes;
the outer wall of the sleeve comprises an arc-shaped wall and a transition wall;
the arc-shaped wall covers the hollow shaft hole, the arc-shaped wall bends towards the axis direction of the hollow shaft hole, and the transition wall is in smooth transition connection with the adjacent arc-shaped wall and is externally tangent to the arc-shaped wall;
the axial lines of the hollow shaft holes are arranged in parallel, and the distance between every two adjacent hollow shaft holes is equal.
2. The integrated device of claim 1, wherein the sleeve is in a quincuncial structure, the number of the hollow shaft holes on the sleeve is 3, and the central points of the hollow shaft holes are connected to form an equilateral triangle on the same end surface.
3. The integrated device of claim 1, wherein the number of the hollow shaft holes on the sleeve is 4, and the central points of the hollow shaft holes are connected to form a diamond shape on the same end face.
4. The fiber positioning unit integrated device of claim 1, wherein the number of hollow shaft holes on the sleeve is 5, the hollow shaft holes are divided into 2 rows, one row is 2, and the other row is 3;
and on the same end face, the central points of the hollow shaft holes are connected to form a trapezoid.
5. The fiber positioning unit integrated device of claim 1, wherein the number of hollow shaft holes on the sleeve is 6, the hollow shaft holes are divided into 2 rows of 3;
and on the same end face, the central points of the hollow shaft holes are connected to form a parallelogram.
6. The fiber positioning unit integrated device of claim 1, wherein the number of hollow shaft holes on the sleeve is 7, the hollow shaft holes being divided into 3 rows;
the number of the middle row is 3, the number of the two rows at the two sides is 2, the hollow shaft holes of the middle row are symmetrically arranged,
or
The number of the middle row and any one of the two sides is 2, and the number of the other row is 3.
7. An astronomical telescope, comprising a fiber positioning unit integration apparatus as claimed in any one of claims 1 to 6.
8. A fiber unit integration method for integrating the fiber positioning unit integration apparatus of any one of claims 1-6, the fiber unit integration method comprising:
positioning and installing the optical fiber into the optical fiber positioning unit;
sequentially installing the optical fiber positioning units into the hollow shaft holes formed in the sleeve;
and paving the sleeve on the whole plate to be installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111276993.1A CN113970825B (en) | 2021-10-29 | 2021-10-29 | Optical fiber positioning unit integration device and method and astronomical telescope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111276993.1A CN113970825B (en) | 2021-10-29 | 2021-10-29 | Optical fiber positioning unit integration device and method and astronomical telescope |
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| Publication Number | Publication Date |
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| CN113970825A CN113970825A (en) | 2022-01-25 |
| CN113970825B true CN113970825B (en) | 2023-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111276993.1A Active CN113970825B (en) | 2021-10-29 | 2021-10-29 | Optical fiber positioning unit integration device and method and astronomical telescope |
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Citations (5)
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|---|---|---|---|---|
| JP2000111760A (en) * | 1998-10-01 | 2000-04-21 | Fujikura Ltd | Optical fiber connecting sleeve |
| JP2004117978A (en) * | 2002-09-27 | 2004-04-15 | Japan Aviation Electronics Industry Ltd | Optical fiber coupler package |
| CN1768284A (en) * | 2003-03-31 | 2006-05-03 | 康宁股份有限公司 | Two-dimensional optical fiber array |
| CN203658627U (en) * | 2013-12-13 | 2014-06-18 | 北京志联同创光电科技有限公司 | High-density fiber coupler |
| CN108027485A (en) * | 2015-09-14 | 2018-05-11 | 康普连通比利时私人有限公司 | Terminal shell with modular form and the module docked with terminal shell |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004028310B9 (en) * | 2004-06-12 | 2010-10-07 | Schott Ag | Method and device for producing the termination of an optical fiber bundle |
| CN107490834A (en) * | 2017-09-18 | 2017-12-19 | 苏州市光益捷通信科技有限公司 | One kind is used for fiber optic cables tension damage structure |
-
2021
- 2021-10-29 CN CN202111276993.1A patent/CN113970825B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000111760A (en) * | 1998-10-01 | 2000-04-21 | Fujikura Ltd | Optical fiber connecting sleeve |
| JP2004117978A (en) * | 2002-09-27 | 2004-04-15 | Japan Aviation Electronics Industry Ltd | Optical fiber coupler package |
| CN1768284A (en) * | 2003-03-31 | 2006-05-03 | 康宁股份有限公司 | Two-dimensional optical fiber array |
| CN203658627U (en) * | 2013-12-13 | 2014-06-18 | 北京志联同创光电科技有限公司 | High-density fiber coupler |
| CN108027485A (en) * | 2015-09-14 | 2018-05-11 | 康普连通比利时私人有限公司 | Terminal shell with modular form and the module docked with terminal shell |
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| CN113970825A (en) | 2022-01-25 |
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