CN105157832A - Compact type raster replacement device - Google Patents
Compact type raster replacement device Download PDFInfo
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- CN105157832A CN105157832A CN201510626651.6A CN201510626651A CN105157832A CN 105157832 A CN105157832 A CN 105157832A CN 201510626651 A CN201510626651 A CN 201510626651A CN 105157832 A CN105157832 A CN 105157832A
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- turntable
- compact
- rotation mechanism
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Abstract
The invention discloses a compact type raster replacement device. The compact type raster replacement device enables a reflector to selectively rotate and cover right above one of a plurality of raster parts under the driving of a reflector rotation mechanism through arranging a rotation table and arranging a plurality of raster parts with various spectral resolutions on a rotation table and through a rotation driving device driving a rotation table to rotate in a horizontal direction and arranging the reflector and a reflector rotation mechanism on the rotation table. As a result, the compact type raster replacement device realizes the switching among the plurality of modes of spectral imaging. The compact type raster replacement device is simple in structure and easy in operation. Because a plurality of raster parts adopt raster fixing parts in the same size, the compact type raster replacement device has an advantage of compact structure. The compact type raster replacement device adopts an air-floating shaft member as the rotation shaft of the rotation table, which is high in positioning accuracy and satisfies the requirement of the optical spectrometer for precision.
Description
Technical field
The present invention relates to a kind of optical devices, refer more particularly to a kind of compact grating and change device.
Background technology
Grating is the core component of the grating spectrograph that astronomical telescope is equipped with.Astronomical telescope, to sky observation, often need be used the grating of different resolution, realize the imaging of high, medium and low Spectral resolution and full light spectrum image-forming, realize different goals in research.Traditional grating is changed system and is mainly contained linear guide-type and turntable type two kinds.It is lower that linear guide-type grating changes system space efficiency, and length is long, has the guide rail of 50% to be in idle condition; It is be symmetrically arranged in same turntable plane by the light-splitting device of whole imaging pattern that turntable type grating changes system, makes turntable planar diameter comparatively large, takies larger instrument space, cause interfering with light path, other structure of instrument, parts.
Summary of the invention
In order to solve the above-mentioned problems in the prior art, the invention provides a kind of small volume and can realize multiple spectrum imaging pattern switch compact grating change device.
Technical scheme provided by the invention is as follows: a kind of compact grating changes device, it comprises turntable, rotating driving device and the grating components be arranged on described turntable, the described rotating driving device turntable that is in transmission connection rotates around vertical axis can drive described turntable, also comprise catoptron and mirror rotation mechanism, described mirror rotation mechanism is vertically arranged on described turntable, the described mirror rotation mechanism catoptron that is in transmission connection is set in parallel in the top of described grating components to make catoptron rotationally by described mirror rotation mechanism, described grating components comprises multiple grating department, described catoptron under described mirror rotation mechanism drives optionally revolving coverage method in described multiple grating department directly over one of them grating department.
In the preferred embodiment, described grating components comprises the first grating department, the second grating department and the 3rd grating department, described first grating department, the second grating department and the 3rd grating department have included a cylindrical shape grating fixed part, and the grating that described first grating department, the second grating department and the 3rd grating department are arranged in described grating fixed part has different Spectral resolutions.
In the preferred embodiment, described turntable is set to circle, described mirror rotation mechanism is vertically arranged on the center of described turntable, and described first grating department, the second grating department and the 3rd grating department be the radial surrounding arranging described mirror rotation mechanism equally spaced.
In the preferred embodiment, described catoptron is set to circle, and the open-topped internal diameter of the corresponding described grating fixed part of external diameter of described catoptron is arranged.
In the preferred embodiment, described mirror rotation mechanism comprises pivoted arm, stationary shaft and mirror drive motor from top to bottom, and described mirror drive motor drives described pivoted arm on surface level direction, do 360 degree of rotations.
In the preferred embodiment, described pivoted arm comprises turning end and stiff end, and described turning end was arranged with stiff end mutual in T shape connection, and described stiff end is vertically fixed on the top of described stationary shaft, and described catoptron is fixed in described turning end.
In the preferred embodiment, also comprise Access Division, described Access Division is set in outside described stationary shaft, described Access Division is provided with buckling groove, on the outer tube wall of described grating fixed part, corresponding described buckling groove is provided with clamping ring block, and described grating fixed part is by the clamping of described clamping ring block and described buckling groove thus be fixed on the outside of described Access Division.
In the preferred embodiment, described rotating driving device comprises motor and air-bearing shafts parts, and described air-bearing shafts parts are arranged between described motor and described turntable.
The beneficial effect that the present invention produces is: this compact grating changes device by arranging turntable and arrange the different multiple grating departments of Spectral resolution on turntable, turntable is driven to rotate on surface level direction by rotating driving device, and catoptron and mirror rotation mechanism are set on turntable simultaneously, enable catoptron under mirror rotation mechanism drives optionally revolving coverage method in multiple grating department directly over one of them, thus the switching realized between multiple spectrum imaging pattern, it is simple that this compact grating changes apparatus structure, easy to operate, because multiple grating department have employed the grating fixed part of formed objects, therefore this grating more changing device there is the advantage of compact conformation, and this grating more changing device adopts air-bearing shafts parts as the transmission shaft of turntable, positioning precision is high, meet spectrometer to optical accuracy requirement.
Accompanying drawing explanation
Fig. 1 is the primary structure schematic diagram that compact grating of the present invention changes in device;
Fig. 2 is the partial sectional view that compact grating of the present invention changes in device.
Embodiment
See Fig. 1 and Fig. 2, this compact grating is changed device and is comprised turntable 10, rotating driving device 20 and the grating components 30 be vertically set on turntable, rotating driving device 20 can drive turntable 10 to rotate on surface level direction, rotating driving device 20 comprises motor 21 and air-bearing shafts parts 22, air-bearing shafts parts 22 are arranged between motor 21 and turntable 10, also comprise catoptron 40 and mirror rotation mechanism 50, catoptron 40 is set in parallel in the top of grating components 30 rotationally by mirror rotation mechanism 50, grating components 30 comprises the first grating department 31, second grating department 32 and the 3rd grating department 33, catoptron 40 by mirror rotation mechanism 50 optionally revolving coverage method directly over the first grating department 31 or the second grating department 32 or the 3rd grating department 33.
See Fig. 1 and Fig. 2, first grating department 31, second grating department 32 and the 3rd grating department 33 have high, medium and low three kinds of Spectral resolutions respectively, first grating department 31, second grating department 32 and the 3rd grating department 33 have included a cylindrical shape grating fixed part 35, turntable 10 is set to circle, mirror rotation mechanism 50 is vertically arranged on the center of turntable 10, and the first grating department 31, second grating department 32 and the 3rd grating department 33 be the radial surrounding arranging mirror rotation mechanism 50 equally spaced.Mirror rotation mechanism 50 comprises pivoted arm 51, stationary shaft 52 and mirror drive motor 53 from top to bottom, mirror drive motor 53 drives pivoted arm 51 on surface level direction, do 360 degree of rotations, pivoted arm 51 comprises turning end 511 and stiff end 512, turning end 511 was arranged with stiff end 512 mutual in T shape connection, stiff end 512 is vertically fixed on the top of stationary shaft 52, catoptron 40 is fixed in turning end 511, catoptron 40 is set to circle, and the open-topped internal diameter of the corresponding grating fixed part 35 of external diameter of catoptron 40 is arranged.
See Fig. 2, also comprise Access Division 60, Access Division 60 is set in outside stationary shaft 52, Access Division 60 is provided with buckling groove 61, on the outer tube wall of grating fixed part 35, corresponding buckling groove is provided with clamping ring block 351, and grating fixed part 35 is by the clamping of clamping ring block 351 and buckling groove 61 thus be fixed on the outside of Access Division 60.
During work, this compact grating changes device by arranging turntable 10 and arrange the different multiple grating departments 31 of Spectral resolution on turntable 10, 32, 33, turntable 10 is driven to rotate on surface level direction by rotating driving device 20, and catoptron 40 and mirror rotation mechanism 50 are set on turntable 10 simultaneously, make catoptron 40 can under the driving of mirror rotation mechanism 50 optionally revolving coverage method at multiple grating department 31, 32, in 33 directly over one of them, thus the switching realized between multiple spectrum imaging pattern, it is simple that this grating changes apparatus structure, easy to operate, due to multiple grating department 31, 32, the 33 grating fixed parts that have employed formed objects, compact conformation is because have employed catoptron 40 independent of three grating departments 31, 32, outside 33, the structural volume adding a catoptron four device ring shooting relative to three reflection gratings of the prior art is little a lot, therefore this grating more changing device there is the advantage of compact conformation, and this grating more changing device adopts air-bearing shafts parts 22 as the transmission shaft of turntable 10, positioning precision is high, meet spectrometer to optical accuracy requirement.
Above are only a specific embodiment of the present invention, but design concept of the present invention is not limited thereto, all changes utilizing this design the present invention to be carried out to unsubstantiality, all should belong to the behavior of invading scope.
Claims (8)
1. a compact grating changes device, it comprises turntable, rotating driving device and the grating components be arranged on described turntable, the described rotating driving device turntable that is in transmission connection rotates around vertical axis can drive described turntable, it is characterized in that: also comprise catoptron and mirror rotation mechanism, described mirror rotation mechanism is vertically arranged on described turntable, the described mirror rotation mechanism catoptron that is in transmission connection is set in parallel in the top of described grating components to make catoptron rotationally by described mirror rotation mechanism, described grating components comprises multiple grating department, described catoptron under described mirror rotation mechanism drives optionally revolving coverage method in described multiple grating department directly over one of them grating department.
2. compact grating according to claim 1 changes device, it is characterized in that: described grating components comprises the first grating department, the second grating department and the 3rd grating department, described first grating department, the second grating department and the 3rd grating department have included a cylindrical shape grating fixed part, and the grating that described first grating department, the second grating department and the 3rd grating department are arranged in described grating fixed part has different Spectral resolutions.
3. compact grating according to claim 1 changes device, it is characterized in that: described turntable is set to circle, described mirror rotation mechanism is vertically arranged on the center of described turntable, and described first grating department, the second grating department and the 3rd grating department be the radial surrounding arranging described mirror rotation mechanism equally spaced.
4. compact grating according to claim 1 and 2 changes device, it is characterized in that: described catoptron is set to circle, and the open-topped internal diameter of the corresponding described grating fixed part of external diameter of described catoptron is arranged.
5. compact grating according to claim 1 changes device, it is characterized in that: described mirror rotation mechanism comprises pivoted arm, stationary shaft and mirror drive motor from top to bottom, described mirror drive motor drives described pivoted arm on surface level direction, do 360 degree of rotations.
6. compact grating changes device according to claim 1 or 5, it is characterized in that: described pivoted arm comprises turning end and stiff end, described turning end was arranged with stiff end mutual in T shape connection, described stiff end is vertically fixed on the top of described stationary shaft, and described catoptron is fixed in described turning end.
7. the compact grating according to claim 1 or 2 or 5 changes device, it is characterized in that: also comprise Access Division, described Access Division is set in outside described stationary shaft, described Access Division is provided with buckling groove, on the outer tube wall of described grating fixed part, corresponding described buckling groove is provided with clamping ring block, and described grating fixed part is by the clamping of described clamping ring block and described buckling groove thus be fixed on the outside of described Access Division.
8. the compact grating according to claim 1 or 2 or 5 changes device, and it is characterized in that: described rotating driving device comprises motor and air-bearing shafts parts, described air-bearing shafts parts are arranged between described motor and described turntable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510626651.6A CN105157832B (en) | 2015-09-28 | 2015-09-28 | A kind of compact grating changes device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510626651.6A CN105157832B (en) | 2015-09-28 | 2015-09-28 | A kind of compact grating changes device |
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| CN105157832A true CN105157832A (en) | 2015-12-16 |
| CN105157832B CN105157832B (en) | 2017-03-01 |
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| CN201510626651.6A Active CN105157832B (en) | 2015-09-28 | 2015-09-28 | A kind of compact grating changes device |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000183453A (en) * | 1998-12-17 | 2000-06-30 | Ando Electric Co Ltd | External resonator type light source |
| CN2831109Y (en) * | 2005-10-08 | 2006-10-25 | 上海欣茂仪器有限公司 | Raster rotary gear of spectrophotometer |
| JP2009216397A (en) * | 2008-03-07 | 2009-09-24 | Hitachi High-Technologies Corp | Spectrophotometer |
| CN202770763U (en) * | 2012-09-13 | 2013-03-06 | 福州高意光学有限公司 | Minitype spectrograph |
-
2015
- 2015-09-28 CN CN201510626651.6A patent/CN105157832B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000183453A (en) * | 1998-12-17 | 2000-06-30 | Ando Electric Co Ltd | External resonator type light source |
| CN2831109Y (en) * | 2005-10-08 | 2006-10-25 | 上海欣茂仪器有限公司 | Raster rotary gear of spectrophotometer |
| JP2009216397A (en) * | 2008-03-07 | 2009-09-24 | Hitachi High-Technologies Corp | Spectrophotometer |
| CN202770763U (en) * | 2012-09-13 | 2013-03-06 | 福州高意光学有限公司 | Minitype spectrograph |
Non-Patent Citations (1)
| Title |
|---|
| 许明: "光谱仪器可调狭缝机构", 《分析仪器》 * |
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| CN105157832B (en) | 2017-03-01 |
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Effective date of registration: 20200821 Address after: 266000 unit 432, building 2, Yinhua Plaza, 190 East Road, Shibei District, Qingdao, Shandong Province Patentee after: SHANDONG BAIMAO BIOTECHNOLOGY Co.,Ltd. Address before: Xiamen City, Fujian Province, 361000 South Siming Road No. 422 Patentee before: XIAMEN University |
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