CN105929518A - Adjustable annular beam generating mechanism - Google Patents
Adjustable annular beam generating mechanism Download PDFInfo
- Publication number
- CN105929518A CN105929518A CN201610457832.5A CN201610457832A CN105929518A CN 105929518 A CN105929518 A CN 105929518A CN 201610457832 A CN201610457832 A CN 201610457832A CN 105929518 A CN105929518 A CN 105929518A
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- CN
- China
- Prior art keywords
- speculum
- central reflector
- base
- peripheral
- generating mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0927—Systems for changing the beam intensity distribution, e.g. Gaussian to top-hat
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0938—Using specific optical elements
- G02B27/0977—Reflective elements
Abstract
The invention discloses an adjustable annular beam generating mechanism which comprises a drive motor, a drive worm, a fixed base, a rotation bearing, a rotation member, a periphery reflection mirror base, a periphery reflection mirror holder, a periphery reflection mirror, a center reflection mirror base, a center reflection mirror holder and a center reflection mirror. The drive motor is connected with the drive worm. The drive worm is engaged with a gear which is arranged on the rotation member. The rotation member is arranged on the fixed base through the rotation bearing. The center reflection mirror base is arranged at the center of the rotation member. According to the invention, time-share use of an optical path mirror is realized; the adjustable annular beam generating mechanism has the advantages of adjustable obstruction ratio, good stability, adjustable rotation speed and the like; and the beam utilization and the glare-resistant capability of the mirror can be effectively enhanced.
Description
Technical field
The present invention relates to Cassegrain system technical field, be specifically related to a kind of adjustable annular beam generating mechanism.
Background technology
Cassegrain system is made up of parabola principal reflection mirror and hyperboloid secondary mirror, is a kind of bireflectance folding system, can effectively shorten optical tube length, and not have aberration, is widely used various tracking in detection emission system.But blocking owing to its center has, solid plain light beam is transmitted by it, has energy loss.Simultaneously in complicated optical system, the lifting of beam energy is limited to the resistance to high light ability of some minute surface.
Summary of the invention
Instant invention overcomes the deficiencies in the prior art, it is provided that a kind of adjustable annular beam generating mechanism, being used for the center that solves has and blocks, the technical problem that beam energy efficiency of transmission is low.
In view of the problems referred to above of prior art, according to an aspect disclosed by the invention, the present invention by the following technical solutions:
A kind of adjustable annular beam generating mechanism, it includes driving motor, geared worm, fixed pedestal, swivel bearing, rotary part, peripheral speculum base, seat fixed by peripheral speculum, peripheral speculum, central reflector base, central reflector fixes seat and central reflector, described driving motor is connected with described geared worm, described geared worm engages with the gear being arranged on rotary part again, described rotary part is arranged on described fixed pedestal by swivel bearing, described central reflector base is set in the middle part of described rotary part, on described central reflector base, central reflector is set and fixes seat, described central reflector is fixed and is arranged central reflector on seat；Described peripheral speculum base is arranged on described rotary part, described peripheral speculum is fixed seat and is arranged on described peripheral speculum base, described peripheral speculum is arranged at described peripheral speculum and fixes on seat, described peripheral speculum is correspondingly arranged with described central reflector, and the distance between described peripheral speculum and described central reflector can regulate.
In order to the present invention is better achieved, further technical scheme is:
According to one embodiment of the invention, described central reflector base being provided with centroid adjustment balancing weight, described centroid adjustment balancing weight can move relative to described central reflector base.
According to another embodiment of the invention, described centroid adjustment balancing weight is arranged at described central reflector base back, described central reflector base back is provided for the first chute that described centroid adjustment balancing weight coordinates, and is provided on described centroid adjustment balancing weight and the lock-screw of described central reflector base locking.
According to another embodiment of the invention, described peripheral speculum base arranging the second chute, described peripheral speculum fixes bulge-structure that on seat, settings coordinates with described second chute and for the screw fastened.
According to another embodiment of the invention, described first chute and/or the second chute are dovetail groove.
According to another embodiment of the invention, described peripheral speculum all uses 45 ° of mirrors with described central reflector and be arranged in parallel.
The present invention it may also is that
According to another embodiment of the invention, described peripheral speculum base is provided with speculum regulation balancing weight.
Compared with prior art, one of beneficial effects of the present invention is:
The one adjustable annular beam generating mechanism of the present invention, it is achieved that the timesharing to light path minute surface uses, and has the advantages such as the ratio of obstruction is adjustable, good stability, rotating speed are adjustable simultaneously, can effectively strengthen the resistance to high light ability of beam utilization and minute surface.
Accompanying drawing explanation
For clearer explanation present specification embodiment or technical scheme of the prior art, below the accompanying drawing used required in the description to embodiment or prior art is briefly described, apparently, accompanying drawing in describing below is only to the reference of some embodiments in present specification, for those skilled in the art, in the case of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 shows the most adjustable annular beam generating mechanism overall structure schematic diagram.
Fig. 2 shows the most adjustable annular beam generating mechanism one side structural representation.
Fig. 3 shows the most adjustable annular beam generating mechanism another side structural representation.
Wherein, entitled corresponding to the reference in accompanying drawing:
1-drives motor, 2-geared worm, 3-fixed pedestal, 4-swivel bearing, 5-rotary part, 6-periphery speculum base, 7-periphery speculum fixes seat, 8-periphery speculum, 9-central reflector base, 10-central reflector fixes seat, 11-central reflector, 12-centroid adjustment balancing weight.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
As shown in FIG. 1 to 3, a kind of adjustable annular beam generating mechanism, it includes driving motor 1, geared worm 2, fixed pedestal 3, swivel bearing 4, rotary part 5, peripheral speculum base 6, seat 7 fixed by peripheral speculum, peripheral speculum 8, central reflector base 9, central reflector fixes seat 10 and central reflector 11, described driving motor 1 is connected with described geared worm 2, described geared worm 2 engages with the gear being arranged on rotary part 5 again, described rotary part 5 is arranged on described fixed pedestal 3 by swivel bearing 4, described central reflector base 9 is set in the middle part of described rotary part 5, on described central reflector base 9, central reflector is set and fixes seat 10, described central reflector is fixed and is arranged central reflector 11 on seat 10；Described peripheral speculum base 6 is arranged on described rotary part 5, described peripheral speculum is fixed seat 7 and is arranged on described peripheral speculum base 6, described peripheral speculum 8 is arranged at described peripheral speculum and fixes on seat 7, described peripheral speculum 8 is correspondingly arranged with described central reflector 11, the distance that its peripheral speculum 8 and described central reflector 11 can be formed between light path reflection, and described peripheral speculum 8 and described central reflector 11 can regulate.
Being provided with centroid adjustment balancing weight 12 on described central reflector base 9, described centroid adjustment balancing weight 12 can move relative to described central reflector base 9.
Described centroid adjustment balancing weight 12 is arranged at described central reflector base 9 back, described central reflector base 9 back is provided for the first chute that described centroid adjustment balancing weight 12 coordinates, and is provided on described centroid adjustment balancing weight 12 and the lock-screw of described central reflector base 9 locking.
Being also provided with the second chute on described peripheral speculum base 6, described peripheral speculum fixes bulge-structure that on seat 7, settings coordinates with described second chute and for the screw fastened.
Can be dovetail groove for the first above chute and/or the second chute.
Speculum regulation balancing weight it is provided with on described peripheral speculum base 6.
Above by the movement of peripheral mirror assembly, the distance between peripheral speculum 8 and central reflector 11 can be regulated, thus realize different light beam the ratio of obstruction.After distance between two pieces of speculums of change, can be by regulation centroid adjustment balancing weight 12, it is ensured that rotary system barycenter overlaps with geometric rotation center, improves kinetic stability, effectively reducing the beam jitter etc. brought because of rotation affects.And driving motor 1 rotating speed or driving shaft worm and rotary part gearratio by changing, it is achieved the rotating speed of rotary system is adjustable.
Described peripheral speculum 8 all uses 45 ° of mirrors with described central reflector 11 and be arranged in parallel, i.e. horizontal by 45 ° of inclinations angle；Light path, after central reflector 11, peripheral 8 liang of secondary reflections of speculum, forms the emergent light parallel with incident light；Unpolarized light beam central shaft passes through rotary part 5 geometric center, drives motor 1 to drive geared worm 2 to rotate, thus parts 5 is rotated and rotates, and such emergent light will form stable annular beam.The stable annular beam that emergent light is formed, it is achieved that the timesharing of subsequent optical path minute surface is used by light beam, is conducive to improving the minute surface ability to bear to high light light beam.
The invention have the characteristics that:
(1) by driving motor, using Worm Wheel System mode, the mirror assembly being rotated in parts rotates, thus forms annular beam；
(2) fixed the relative position of seat and base by the peripheral speculum of regulation, change the distance between two pieces of speculums, it is achieved thereby that the ratio of obstruction of light beam is adjustable；
After distance between (3) two pieces of mirror assemblies adjusts, by regulating the centroid adjustment counterweight at central reflector base back, it is ensured that rotary system barycenter overlaps consistent with geometric center, thus improves stability.
The present invention improves beam energy efficiency of transmission, reduces the restriction to beam energy of the subsequent optical path minute surface resistance to high light ability simultaneously.
In this specification, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, identical similar portion cross-reference between each embodiment.
" embodiment ", " another embodiment ", " embodiment " spoken of in this manual, etc., refer to combine specific features, structure or feature that this embodiment describes and be included at least one embodiment that the application generality describes.The most multiple local appearance statement of the same race is not necessarily to refer to same embodiment.Furthermore, it is understood that combine any embodiment when describing a specific features, structure or feature, to be advocated is to combine other embodiments also to fall within the scope of the present invention to realize this feature, structure or feature.
Although reference be made herein to invention has been described for the multiple explanatory embodiment of the present invention, but, it should be understood that those skilled in the art can be designed that a lot of other amendments and embodiment, these amendments and embodiment will fall within spirit disclosed in the present application and spirit.More specifically, in the range of disclosure and claim, the building block of theme composite configuration and/or layout can be carried out multiple modification and improvement.In addition to the modification carrying out building block and/or layout and improvement, to those skilled in the art, other purposes also will be apparent from.
Claims (7)
1. an adjustable annular beam generating mechanism, it is characterised in that it includes driving motor (1), passing
Dynamic worm screw (2), fixed pedestal (3), swivel bearing (4), rotary part (5), peripheral speculum
Base (6), peripheral speculum fix seat (7), peripheral speculum (8), central reflector base (9),
Central reflector fixes seat (10) and central reflector (11), described driving motor (1) and described transmission
Worm screw (2) connects, and described geared worm (2) engages with the gear being arranged on rotary part (5) again,
Described rotary part (5) is arranged on described fixed pedestal (3) by swivel bearing (4), described rotation
Parts (5) middle part arranges described central reflector base (9), and described central reflector base (9) sets
Putting central reflector and fix seat (10), described central reflector is fixed and is arranged central reflector on seat (10)
(11)；Described peripheral speculum base (6) is arranged on described rotary part (5), and described periphery is anti-
Penetrating mirror to fix seat (7) and be arranged on described peripheral speculum base (6), described peripheral speculum (8) sets
It is placed in described peripheral speculum and fixes on seat (7), described peripheral speculum (8) and described central reflector
(11) it is correspondingly arranged, and the distance between described peripheral speculum (8) and described central reflector (11)
Can regulate.
Adjustable annular beam generating mechanism the most according to claim 1, it is characterised in that described center
Centroid adjustment balancing weight (12), described centroid adjustment balancing weight (12) it is provided with on speculum base (9)
Can move relative to described central reflector base (9).
Adjustable annular beam generating mechanism the most according to claim 2, it is characterised in that described barycenter
Regulation balancing weight (12) is arranged at described central reflector base (9) back, described central reflector base
(9) back is provided for the first chute that described centroid adjustment balancing weight (12) coordinates, and described barycenter
The lock-screw locked with described central reflector base (9) it is provided in regulation balancing weight (12).
Adjustable annular beam generating mechanism the most according to claim 3, it is characterised in that described periphery
Arranging the second chute on speculum base (6), described peripheral speculum fixes the upper setting of seat (7) with described
Second chute coordinate bulge-structure and for fastening screw.
Adjustable annular beam generating mechanism the most according to claim 4, it is characterised in that described first
Chute and/or the second chute are dovetail groove.
Adjustable annular beam generating mechanism the most according to claim 1, it is characterised in that described periphery
Speculum (8) all uses 45 ° of mirrors with described central reflector (11) and be arranged in parallel.
Adjustable annular beam generating mechanism the most according to claim 1, it is characterised in that described periphery
Speculum regulation balancing weight it is provided with on speculum base (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610457832.5A CN105929518B (en) | 2016-06-22 | 2016-06-22 | Adjustable annular beam generating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610457832.5A CN105929518B (en) | 2016-06-22 | 2016-06-22 | Adjustable annular beam generating mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105929518A true CN105929518A (en) | 2016-09-07 |
| CN105929518B CN105929518B (en) | 2018-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610457832.5A Active CN105929518B (en) | 2016-06-22 | 2016-06-22 | Adjustable annular beam generating mechanism |
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| Country | Link |
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| CN (1) | CN105929518B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111587382A (en) * | 2018-12-18 | 2020-08-25 | 深圳市大疆创新科技有限公司 | Laser measuring device and unmanned vehicles |
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| US5870219A (en) * | 1997-01-20 | 1999-02-09 | Geo. Labs, Inc. | Ultra compact scanning system for a wide range of speeds, angles and field depth |
| CN101363964A (en) * | 2008-09-18 | 2009-02-11 | 高秀敏 | Adjustable ring vector light beam producing system |
| DE102008032830A1 (en) * | 2008-06-18 | 2009-12-31 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Device for processing workpieces with a two-dimensional deviating energy beam comprises an element rotating concentrically to the main axis/optical axis of the beam |
| CN201378231Y (en) * | 2009-03-31 | 2010-01-06 | 北京北科天绘科技有限公司 | Optical scanning device |
| CN101655411A (en) * | 2008-08-20 | 2010-02-24 | 杭州远方光电信息有限公司 | Distribution photometer |
| CN102518959A (en) * | 2011-11-18 | 2012-06-27 | 厦门大学 | Optically annular lighting device |
| CN205750076U (en) * | 2016-06-22 | 2016-11-30 | 中国工程物理研究院应用电子学研究所 | Adjustable annular beam generating mechanism |
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2016
- 2016-06-22 CN CN201610457832.5A patent/CN105929518B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5870219A (en) * | 1997-01-20 | 1999-02-09 | Geo. Labs, Inc. | Ultra compact scanning system for a wide range of speeds, angles and field depth |
| DE102008032830A1 (en) * | 2008-06-18 | 2009-12-31 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Device for processing workpieces with a two-dimensional deviating energy beam comprises an element rotating concentrically to the main axis/optical axis of the beam |
| CN101655411A (en) * | 2008-08-20 | 2010-02-24 | 杭州远方光电信息有限公司 | Distribution photometer |
| CN101363964A (en) * | 2008-09-18 | 2009-02-11 | 高秀敏 | Adjustable ring vector light beam producing system |
| CN201378231Y (en) * | 2009-03-31 | 2010-01-06 | 北京北科天绘科技有限公司 | Optical scanning device |
| CN102518959A (en) * | 2011-11-18 | 2012-06-27 | 厦门大学 | Optically annular lighting device |
| CN205750076U (en) * | 2016-06-22 | 2016-11-30 | 中国工程物理研究院应用电子学研究所 | Adjustable annular beam generating mechanism |
Non-Patent Citations (1)
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| 王云山: ""激光转镜扫描光束的优化和光斑特性分析"", 《光电子 激光》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111587382A (en) * | 2018-12-18 | 2020-08-25 | 深圳市大疆创新科技有限公司 | Laser measuring device and unmanned vehicles |
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| Publication number | Publication date |
|---|---|
| CN105929518B (en) | 2018-03-20 |
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