CN105929518B - Adjustable annular beam generating mechanism - Google Patents
Adjustable annular beam generating mechanism Download PDFInfo
- Publication number
- CN105929518B CN105929518B CN201610457832.5A CN201610457832A CN105929518B CN 105929518 B CN105929518 B CN 105929518B CN 201610457832 A CN201610457832 A CN 201610457832A CN 105929518 B CN105929518 B CN 105929518B
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- Prior art keywords
- speculum
- peripheral
- central reflector
- base
- fixed seat
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Classifications
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- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Laser Surgery Devices (AREA)
- Gear Transmission (AREA)
Abstract
The invention discloses a kind of adjustable annular beam generating mechanism, it includes motor, geared worm, fixed pedestal, swivel bearing, rotary part, peripheral speculum base, peripheral speculum fixed seat, peripheral speculum, central reflector base, central reflector fixed seat and central reflector, the motor is connected with the geared worm, the geared worm engages with the gear being arranged on rotary part again, the rotary part is arranged on the fixed pedestal by swivel bearing, and the central reflector base is set in the middle part of the rotary part.The timesharing that the present invention realizes to light path minute surface uses, while has the advantages that the ratio of obstruction is adjustable, stability is good, rotating speed is adjustable, can effectively strengthen the resistance to strong light ability of beam utilization and minute surface.
Description
Technical field
The present invention relates to Cassegrain system technical field, and in particular 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 that a kind of bireflectance folds system
System, can effectively shorten optical tube length, and not have aberration, be widely used in various tracking detection emission systems.But due to
Its center, which has, blocks, and solid plain light beam is transmitted by it, has energy loss.Simultaneously in complicated optical system, light beam energy
The lifting of amount is limited to the resistance to strong light ability of some minute surfaces.
The content of the invention
Instant invention overcomes the deficiencies in the prior art, there is provided a kind of adjustable annular beam generating mechanism, in solution
The heart, which has, to be blocked, the low technical problem of beam energy efficiency of transmission.
In view of the above mentioned problem of prior art, according to one side disclosed by the invention, the present invention uses following technology
Scheme：
A kind of adjustable annular beam generating mechanism, it include motor, geared worm, fixed pedestal, swivel bearing,
Rotary part, peripheral speculum base, peripheral speculum fixed seat, peripheral speculum, central reflector base, central reflector
Fixed seat and central reflector, the motor are connected with the geared worm, and the geared worm is again with being arranged at rotation
Gear engagement on part, the rotary part is arranged on the fixed pedestal by swivel bearing, in the rotary part
Portion sets the central reflector base, sets central reflector fixed seat on the central reflector base, and the center is anti-
Penetrate in mirror fixed seat and central reflector is set；The peripheral speculum base is arranged on the rotary part, and the periphery is anti-
Penetrate mirror fixed seat to be arranged on the peripheral speculum base, the peripheral speculum is arranged at the peripheral speculum fixed seat
On, the peripheral speculum is correspondingly arranged with the central reflector, and the peripheral speculum and the central reflector it
Between distance can adjust.
In order to which the present invention is better achieved, further technical scheme is：
According to one embodiment of the invention, centroid adjustment balancing weight, institute are provided with the central reflector base
Stating centroid adjustment balancing weight can move relative to the central reflector base.
According to another embodiment of the invention, the centroid adjustment balancing weight is arranged at the central reflector base
Back, the central reflector base back are provided for the first chute that the centroid adjustment balancing weight coordinates, and described
The lock-screw with central reflector base locking is provided on centroid adjustment balancing weight.
According to another embodiment of the invention, the second chute, the periphery are set on the peripheral speculum base
The bulge-structure coordinated with second chute and the screw for fastening are set in speculum fixed seat.
According to another embodiment of the invention, first chute and/or the second chute are dovetail groove.
According to another embodiment of the invention, the peripheral speculum and the central reflector all use 45 ° of mirrors
And it be arranged in parallel.
The present invention can also be：
According to another embodiment of the invention, speculum regulation counterweight is provided with the peripheral speculum base
Block.
Compared with prior art, one of beneficial effects of the present invention are：
A kind of adjustable annular beam generating mechanism of the present invention, realize the timesharing to light path minute surface and use, have simultaneously
Have the advantages that the ratio of obstruction is adjustable, stability is good, rotating speed is adjustable, can effectively strengthen the resistance to strong luminous energy of beam utilization and minute surface
Power.
Brief description of the drawings
, below will be to embodiment for clearer explanation present specification embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in the description of prior art, it should be apparent that, drawings in the following description are only
It is the reference to some embodiments in present specification, for those skilled in the art, is not paying creative work
In the case of, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 shows adjustable annular beam generating mechanism overall structure diagram according to an embodiment of the invention.
Fig. 2 shows adjustable annular beam generating mechanism one side structural representation according to an embodiment of the invention
Figure.
Fig. 3 shows adjustable annular beam generating mechanism another side structural representation according to an embodiment of the invention
Figure.
Wherein, it is entitled corresponding to the reference in accompanying drawing：
1- motors, 2- geared worms, 3- fixed pedestals, 4- swivel bearings, 5- rotary parts, 6- peripheries are anti-
Penetrate mirror base, 7- peripheries speculum fixed seat, 8- peripheries speculum, 9- central reflector bases, 10- central reflectors consolidate
Reservation, 11- central reflectors, 12- centroid adjustment balancing weights.
Embodiment
The present invention is described in further detail with reference to embodiment, but the implementation of the present invention is not limited to this.
As shown in FIG. 1 to 3, a kind of adjustable annular beam generating mechanism, it include motor 1, geared worm 2,
Fixed pedestal 3, swivel bearing 4, rotary part 5, peripheral speculum base 6, peripheral speculum fixed seat 7, peripheral speculum 8,
Central reflector base 9, central reflector fixed seat 10 and central reflector 11, the motor 1 and the geared worm 2
Connection, the geared worm 2 engage with the gear being arranged on rotary part 5 again, and the rotary part 5 passes through swivel bearing 4
It is arranged on the fixed pedestal 3, the middle part of rotary part 5 sets the central reflector base 9, the central reflector
Central reflector fixed seat 10 is set on base 9, central reflector 11 is set in the central reflector fixed seat 10；It is described outer
Enclose speculum base 6 to be arranged on the rotary part 5, the peripheral speculum fixed seat 7 is arranged at the peripheral speculum
On base 6, the peripheral speculum 8 is arranged in the peripheral speculum fixed seat 7, the peripheral speculum 8 with it is described in
Oculo cardiac reflex mirror 11 is correspondingly arranged, and its peripheral speculum 8 can form light path reflection with the central reflector 11, and the periphery is anti-
Penetrating the distance between mirror 8 and described central reflector 11 can be adjusted.
Centroid adjustment balancing weight 12 is provided with the central reflector base 9, the centroid adjustment balancing weight 12 can
Moved relative to the central reflector base 9.
The centroid adjustment balancing weight 12 is arranged at the back of central reflector base 9, the central reflector base 9
Back is provided for the first chute that the centroid adjustment balancing weight 12 coordinates, and is set on the centroid adjustment balancing weight 12
For the lock-screw locked with the central reflector base 9.
Be also provided with the second chute on the peripheral speculum base 6, set in the peripheral speculum fixed seat 7 with it is described
The bulge-structure that second chute coordinates and the screw for fastening.
The first chute and/or the second chute for more than can be dovetail groove.
Speculum regulation balancing weight is provided with the peripheral speculum base 6.
Above by the movement of peripheral mirror assembly, can adjust between peripheral speculum 8 and central reflector 11
Distance, so as to realize different light beam the ratio of obstruction.After the distance between two pieces of speculums are changed, it can be adjusted by adjusting barycenter
Save balancing weight 12, ensure overlapping for rotary system barycenter and geometric rotation center, improve kinetic stability, effectively reduce because
Beam jitter that rotating band comes etc. influences.And it is driven by changing the rotating speed of motor 1 or driving shaft worm with rotary part
Than realizing that the rotating speed of rotary system is adjustable.
The peripheral speculum 8 and the central reflector 11 all using 45 ° of mirrors and be arrangeding in parallel, i.e., horizontal by
45 ° of inclinations angle；Light path forms the outgoing with incident parallel light after 8 liang of central reflector 11, peripheral speculum secondary reflections
Light；Unpolarized light beam central shaft is by the geometric center of rotary part 5, and motor 1 drives geared worm 2 to rotate, so as to drive
Rotary part 5 rotates, and such emergent light will form stable annular beam.The annular beam for the stabilization that emergent light is formed, it is real
Timesharing of the light beam to subsequent optical path minute surface is showed to use, has been advantageous to improve ability to bear of the minute surface to strong light light beam.
The invention has the characteristics that：
(1) by motor, using Worm Wheel System mode, the mirror assembly rotation in rotary part is driven,
So as to form annular beam；
(2) by adjusting the distance between the relative position of peripheral speculum fixed seat and base, two pieces of speculums of change,
It is achieved thereby that the ratio of obstruction of light beam is adjustable；
After the adjustment of the distance between (3) two pieces of mirror assemblies, adjusted by the barycenter for adjusting central reflector base back
Counterweight is saved, ensures that rotary system barycenter overlaps unanimously with geometric center, so as to improve stability.
The present invention improves beam energy efficiency of transmission, while reduces the resistance to strong light ability of subsequent optical path minute surface to light beam energy
The limitation of amount.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be with it is other
The difference of embodiment, identical similar portion cross-reference between each embodiment.
" one embodiment " for being spoken of in this manual, " another embodiment ", " embodiment ", etc., refer to tying
Specific features, structure or the feature for closing embodiment description are included at least one embodiment of the application generality description
In.It is not necessarily to refer to same embodiment that statement of the same race, which occur, in multiple places in the description.Appoint furthermore, it is understood that combining
When one embodiment describes a specific features, structure or feature, what is advocated is this to realize with reference to other embodiment
Feature, structure or feature are also fallen within the scope of the present invention.
Although reference be made herein to invention has been described for multiple explanatory embodiments of the invention, however, it is to be understood that
Those skilled in the art can be designed that a lot of other modifications and embodiment, and these modifications and embodiment will fall in this Shen
Please be within disclosed spirit and spirit.More specifically, can be to master in the range of disclosure and claim
The building block and/or layout for inscribing composite configuration carry out a variety of variations and modifications.Except what is carried out to building block and/or layout
Outside variations and modifications, to those skilled in the art, other purposes also will be apparent.
Claims (6)
1. a kind of adjustable annular beam generating mechanism, it is characterised in that it includes motor (1), geared worm (2), fixed
Pedestal (3), swivel bearing (4), rotary part (5), peripheral speculum base (6), peripheral speculum fixed seat (7), periphery are anti-
Penetrate mirror (8), central reflector base (9), central reflector fixed seat (10) and central reflector (11), the motor
(1) it is connected with the geared worm (2), the geared worm (2) is engaged with the gear being arranged on rotary part (5) again, institute
State rotary part (5) to be arranged on the fixed pedestal (3) by swivel bearing (4), institute is set in the middle part of the rotary part (5)
Central reflector base (9) is stated, central reflector fixed seat (10), the center are set on the central reflector base (9)
Central reflector (11) is set in speculum fixed seat (10)；The peripheral speculum base (6) is arranged at the rotary part
(5) on, the peripheral speculum fixed seat (7) is arranged on the peripheral speculum base (6), the peripheral speculum (8)
It is arranged on the peripheral speculum fixed seat (7), the peripheral speculum (8) is corresponding with the central reflector (11) to be set
Put, and the distance between the peripheral speculum (8) and described central reflector (11) can be adjusted；The central reflector bottom
Centroid adjustment balancing weight (12) is provided with seat (9), the centroid adjustment balancing weight (12) being capable of relatively described central reflector
Base (9) is mobile.
2. adjustable annular beam generating mechanism according to claim 1, it is characterised in that the centroid adjustment balancing weight
(12) central reflector base (9) back is arranged at, central reflector base (9) back is provided for and the matter
The first chute that heart regulation balancing weight (12) coordinates, and be provided for and the center on the centroid adjustment balancing weight (12)
The lock-screw of speculum base (9) locking.
3. adjustable annular beam generating mechanism according to claim 2, it is characterised in that the peripheral speculum base
(6) the second chute is set on, set on the peripheral speculum fixed seat (7) bulge-structure that coordinates with second chute with
And the screw for fastening.
4. adjustable annular beam generating mechanism according to claim 3, it is characterised in that first chute and/or
Two chutes are dovetail groove.
5. adjustable annular beam generating mechanism according to claim 1, it is characterised in that the peripheral speculum (8) with
The central reflector (11) all using 45 ° of mirrors and be arranged in parallel.
6. adjustable annular beam generating mechanism according to claim 1, it is characterised in that the peripheral speculum base
(6) speculum regulation balancing weight is provided with.
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 CN105929518A (en) | 2016-09-07 |
| CN105929518B true CN105929518B (en) | 2018-03-20 |
Family
ID=56830731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610457832.5A Active CN105929518B (en) | 2016-06-22 | 2016-06-22 | Adjustable annular beam generating mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN105929518B (en) |
Families Citing this family (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 |
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 |
| 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 |
-
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)
| Title |
|---|
| "激光转镜扫描光束的优化和光斑特性分析";王云山;《光电子 激光》;19970831;第8卷(第4期);正文全文 * |
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| Publication number | Publication date |
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| CN105929518A (en) | 2016-09-07 |
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