CN103353347B - Grating two-dimensional inclined frame for spectrometer - Google Patents
Grating two-dimensional inclined frame for spectrometer Download PDFInfo
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- CN103353347B CN103353347B CN201310098644.4A CN201310098644A CN103353347B CN 103353347 B CN103353347 B CN 103353347B CN 201310098644 A CN201310098644 A CN 201310098644A CN 103353347 B CN103353347 B CN 103353347B
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Abstract
The invention discloses a grating two-dimensional inclined frame for a spectrometer. The grating two-dimensional inclined frame comprises a base and three supports, wherein the base comprises support through-holes, the support is fixedly connected with the base through the support through-holes, and each two connecting lines of centers of the support through-holes form an equilateral triangle; the central position of the base is provided with a cavity for installing gratings, and the cavity moves along with the base; the support comprises a base adjusting mechanism, a support column, an adjusting component and a fixing component; one end of the base adjusting mechanism is connected to the support column and fixedly connected with the adjusting component, and can move along with the adjusting component, thereby adjusting variations of the position of the base connected with the base adjusting mechanism; the adjusting component is installed on the support column and can move on the support column; and the position of the fixing component is fixed through a through-hole adjusting component on the adjusting component. The grating two-dimensional inclined frame provided by the invention for the spectrometer can enable the structure to be more compact and the assembly to be more convenient, and enable the size of the required vacuum chamber to be smaller.
Description
Technical field
The invention belongs to optical field, relate to a kind of grating two dimension tilting rack on spectrometer.
Background technology
The invention belongs to spectral technique field, improve the degree of accuracy that grating regulates, thus improve the overall performance of spectrometer.
Existing concave grating tilting rack, the similar hinge mode of many employings carries out position adjustments, as shown in Figure 1, namely one end is turning axle, changes other end height, and adjustment the right micrometer 11 can realize page 12 and nextpage 14 is rotated by turning axle 13, one end that then hinge is equipped with micrometer 11 realizes folding, when nextpage 14 is installed on a certain plane, the banking motion of page 12 can be realized, the angular slope of grating can be realized when grating is arranged on upper page 12; If need to carry out two-dimension adjustment, then two One-dimensional Vertical superpositions, regulate the variation of another dimension after having regulated the variation of a dimension again, thus realize two-dimensional adjustment.
But this kind of adjustment structure, causes raster center to offset, and occurs offseting with the center of light path, thus is lowered into the resolution of picture, and the overall precision of derivative spectomstry instrument is not high for a moment; Second, this kind of structure assembling relative complex, the space taken is large, so that its required space of settling, vacuum cavity, volume become large, due to the above reason, need in the industry to find a kind of avoid raster center occur to offset the not high problem of the spectrometer overall precision that causes and structure more simply reduces needed for the less governor motion of vacuum cavity.
Summary of the invention
In view of this, need to overcome at least one in above-mentioned defect of the prior art.The invention provides a kind of grating two dimension tilting rack on spectrometer, comprise pedestal, quantity is the support of 3, wherein, described pedestal comprises 3 support through holes, and described support is by described support through holes and described pedestal fixed connection and the center of the described support through holes figure that line is formed between two is equilateral triangle;
There is the chamber installing grating described base central position, and described grating is fixedly mounted in described chamber, with described pedestal associated movement;
Described support comprises pedestal governor motion, support column, adjustment member, fixed part; Described pedestal adjustment structure one end is connected on described support column and with described adjustment member and is fixedly connected with and can moves with described adjustment member, thus regulates the shift in position of the described pedestal be connected with described pedestal governor motion; Described adjustment member to be arranged on described support column and can to move on described support column; Described adjustment member is carried out position by the through hole on described adjustment member by described fixed part to be fixed.
According in background technology of the present invention to described in prior art, as shown in Figure 1, 2, carry out grating slope operation owing to adopting hinge-type mode; cause raster center to offset for a moment; and occur offseting with the center of light path, thus being lowered into the resolution of picture, the overall precision of derivative spectomstry instrument is not high; The second, this kind of structure assembling relative complex, the space taken is large so that its required space of settling, vacuum cavity, volume become large; And adopting the present invention in adjustment process, the existence due to pedestal governor motion can make grating in run-off the straight process, ensure raster center position not change, and the structure simultaneously adopted is compacter, and the vacuum cavity volume of required installation also diminishes.
In addition, according to the grating two dimension tilting rack on spectrometer disclosed by the invention, also there is following additional technical feature:
Preferably, described support column is threaded post, and described adjustment member is setting nut, and described setting nut to be installed in described threaded post and can be moved.
Described support also comprises resetting-mechanism, described resetting-mechanism to be arranged on described support column and with one end close contact of described pedestal governor motion, carry out resetting and eliminating thread pitch in the one end contributing to described pedestal governor motion.
Preferably, described resetting-mechanism is spring.
When described adjustment member generation shift in position, the restoring force of described resetting-mechanism makes the one end of the described pedestal governor motion contacted with described resetting-mechanism immediately reset and eliminate thread pitch.
Further, described pedestal governor motion comprises oscillating bearing, Universal arm, guide pipe; Described oscillating bearing comprises inner ring and outer ring, described inner ring and described adjustment member fixed connection and can move with described adjustment member, and one end of described outer ring and described Universal arm is connected; The other end of described Universal arm is connected with described pedestal by described guide pipe, and described Universal arm can be rotated by described guide pipe and along described guide pipe axially-movable, drive the banking motion of described pedestal.
Further, described setting nut comprises nut outer ring and nut inner ring, and inner ring and the nut outer ring of described oscillating bearing are fixedly connected, and described nut inner ring is screw thread, with support column thread connection.Owing to there is thread pitch in thread connection, in order to improve precision, need to use described spring to eliminate thread pitch.
Further, described grating two dimension tilting rack on spectrometer also comprises grating lid, and described grating lid is used for pushing down described grating.
Preferably, described fixed part is holding screw, and described through hole is threaded hole, and described holding screw is locked to contact by the described threaded hole on described adjustment member and described support column and described adjustment member position is fixed.
Alternatively, described pedestal is set square or circular slab.
The aspect that the present invention adds and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from the following description of the accompanying drawings of embodiments, wherein:
Fig. 1 is hinge-type grating one dimension governor motion schematic diagram;
Fig. 2 is the schematic diagram of one embodiment of the invention;
Fig. 3 is the schematic top plan view of one embodiment of the invention;
Fig. 4 is the diagrammatic cross-section of Fig. 3 along A-A face;
In Fig. 1,11 is micrometer, and 12 is upper page, and 13 is turning axle, and 14 is nextpage;
In Fig. 3, in figure, A-A is profiling observation direction;
In Fig. 4, in figure, 20 is pedestals, and 3 is support, and 31 is pedestal governor motions, and 311 is oscillating bearings, and 312 is Universal arms, and 313 is guide pipes, and 32 is support columns, and 34 is adjustment members, and 35 is fixed parts, and 4 is resetting-mechanisms, and 6 is gratings, and 7 is chambers, and 8 is grating lids.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, it will be appreciated that, term " on ", D score, " end ", " top ", "front", "rear", " interior ", " outward ", the orientation of the instruction such as "left", "right" or position relationship be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " connection ", " connection ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, connecting integratedly, also can be removably connect; It can be the connection of two element internals; Can be directly be connected, also indirectly can be connected by intermediary, for the ordinary skill in the art, concrete condition can understand above-mentioned term concrete meaning in the present invention.
Inventive concept of the present invention is as follows, as as described in technical background, hinge-type grating two-dimensional adjustment mode is adopted not only easily to cause the variation of raster center position in prior art, structure assembling is simultaneously also comparatively complicated, regulating device and pedestal are formed one by the present invention, assemble more simply compact, vacuum cavity space also can be made less simultaneously.
Describe the grating two dimension tilting rack on spectrometer of the present invention below with reference to accompanying drawings, wherein Fig. 1 is hinge-type grating one dimension governor motion schematic diagram; Fig. 2 is the schematic diagram of one embodiment of the invention; Fig. 3 is the schematic top plan view of one embodiment of the invention; Fig. 4 is the diagrammatic cross-section of Fig. 3 along A-A face.
According to embodiments of the invention, as shown in figs 2-4, a kind of grating two dimension tilting rack on spectrometer provided by the invention, comprise pedestal 20, quantity is the support 3 of 3, wherein, described pedestal comprises 3 support through holes, and described support 3 is by described support through holes and described pedestal 20 fixed connection and the center of the described support through holes figure that line is formed between two is equilateral triangle, as in Fig. 3 OHV formed figure and Fig. 4 shown in;
There is the chamber 7 installing grating 6 described base central position, and described grating 6 is fixedly mounted in described chamber 7, with described pedestal 20 associated movement, and grating 6 and pedestal 20 position geo-stationary;
Described support 3 comprises pedestal governor motion 31, support column 32, adjustment member 34, fixed part 35; Described pedestal adjustment structure 31 one end is connected on described support column 32 and with described adjustment member 34 and is fixedly connected with and can moves with described adjustment member 34, thus regulates the shift in position of the described pedestal 20 be connected with described pedestal governor motion 31; Described adjustment member 34 to be arranged on described support column 32 and can to move on described support column 32; Described adjustment member 34 is carried out position by the through hole on described adjustment member 34 by described fixed part 35 to be fixed.
According to some embodiments of the present invention, described support column 32 is threaded post, and described adjustment member 34 is setting nut, and described setting nut to be installed in described threaded post and can be moved.
According to some embodiments of the present invention, described support 3 also comprises resetting-mechanism 4, described resetting-mechanism 4 to be arranged on described support column 32 and with one end close contact of described pedestal governor motion 31, carry out resetting and eliminate the thread pitch existed in described adjustment member 34 in the one end contributing to described pedestal governor motion 31.
According to some embodiments of the present invention, preferably, described resetting-mechanism 4 is springs.
When shift in position occurs described adjustment member 34, the restoring force of described resetting-mechanism 4 makes the one end of the described pedestal governor motion 31 contacted with described resetting-mechanism 4 immediately reset and eliminate thread pitch.
According to some embodiments of the present invention, described pedestal governor motion 31 comprises oscillating bearing 311, Universal arm 312, guide pipe 313; Described oscillating bearing 312 comprises inner ring and outer ring, described inner ring and described adjustment member 4 fixed connection and can move with described adjustment member 4, and one end of described outer ring and described Universal arm 312 is connected; The other end of described Universal arm 312 is connected with described pedestal 20 by described guide pipe 313, and described Universal arm 312 can be rotated by described guide pipe 313 and along the axially-movable of described guide pipe 313, drive the banking motion of described pedestal 20.
According to some embodiments of the present invention, described grating two dimension tilting rack on spectrometer also comprises grating lid 8, and described grating lid 8 is used for pushing down described grating 6.
According to some embodiments of the present invention, preferably, described fixed part 35 is holding screws, and described through hole is threaded hole, and described holding screw is locked to contact by the described threaded hole on described adjustment member 4 and described support column 32 and described adjustment member 4 position is fixed.
According to some embodiments of the present invention, alternatively, described pedestal 20 is set square or circular slab.
Although be described in detail the specific embodiment of the present invention with reference to multiple illustrative examples of the present invention, but it must be understood that, those skilled in the art can design multiple other improvement and embodiment, these improve and embodiment will drop within spirit and scope.Specifically, within the scope of aforementioned open, accompanying drawing and claim, rational modification and improvement can be made in the layout of parts and/or sub-combination layout, and spirit of the present invention can not be departed from.Except modification and the improvement of parts and/or layout aspect, its scope is by claims and equivalents thereof.
Claims (8)
1. the grating two dimension tilting rack on spectrometer, comprises pedestal, quantity is the support of 3, it is characterized in that:
Described pedestal comprises 3 support through holes, and described support is by described support through holes and described pedestal fixed connection and the center of the described support through holes figure that line is formed between two is equilateral triangle;
There is the chamber installing grating described base central position, and described grating is fixedly mounted in described chamber, with described pedestal associated movement;
Described support comprises pedestal governor motion, support column, adjustment member, fixed part; Described pedestal adjustment structure one end is connected on described support column and with described adjustment member and is fixedly connected with and can moves with described adjustment member, thus regulates the shift in position of the described pedestal be connected with described pedestal governor motion; Described adjustment member to be arranged on described support column and can to move on described support column; Described adjustment member is carried out position by the through hole on described adjustment member by described fixed part to be fixed.
2. the grating two dimension tilting rack on spectrometer according to claim 1, it is characterized in that, described support column is threaded post, and described adjustment member is setting nut, and described setting nut to be installed in described threaded post and can be moved.
3. the grating two dimension tilting rack on spectrometer according to claim 1, it is characterized in that, described support also comprises resetting-mechanism, described resetting-mechanism to be arranged on described support column and with one end close contact of described pedestal governor motion, carry out resetting and eliminating thread pitch in the one end contributing to described pedestal governor motion.
4. the grating two dimension tilting rack on spectrometer according to claim 3, it is characterized in that, described resetting-mechanism is spring.
5. the grating two dimension tilting rack on spectrometer according to claim 1, it is characterized in that, described pedestal governor motion comprises oscillating bearing, Universal arm, guide pipe; Described oscillating bearing comprises inner ring and outer ring, described inner ring and described adjustment member fixed connection and can move with described adjustment member, and one end of described outer ring and described Universal arm is connected; The other end of described Universal arm is connected with described pedestal by described guide pipe, and described Universal arm can be rotated by described guide pipe and along described guide pipe axially-movable, drive the banking motion of described pedestal.
6. the grating two dimension tilting rack on spectrometer according to claim 1, is characterized in that, described grating two dimension tilting rack on spectrometer also comprises grating lid, and described grating lid is used for pushing down described grating.
7. the grating two dimension tilting rack on spectrometer according to claim 1, it is characterized in that, described fixed part is holding screw, described through hole is threaded hole, and described holding screw is locked to contact by the described threaded hole on described adjustment member and described support column and described adjustment member position is fixed.
8. the grating two dimension tilting rack on spectrometer according to claim 1, it is characterized in that, described pedestal is set square or circular slab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310098644.4A CN103353347B (en) | 2013-03-26 | 2013-03-26 | Grating two-dimensional inclined frame for spectrometer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310098644.4A CN103353347B (en) | 2013-03-26 | 2013-03-26 | Grating two-dimensional inclined frame for spectrometer |
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| Publication Number | Publication Date |
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| CN103353347A CN103353347A (en) | 2013-10-16 |
| CN103353347B true CN103353347B (en) | 2015-06-24 |
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| CN201310098644.4A Active CN103353347B (en) | 2013-03-26 | 2013-03-26 | Grating two-dimensional inclined frame for spectrometer |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103592023A (en) * | 2013-11-20 | 2014-02-19 | 江苏天瑞仪器股份有限公司 | Light splitting chamber for direct-reading spectrometer |
| CN109491034B (en) * | 2018-10-11 | 2023-04-18 | 烟台荣高数字科技有限公司 | Grating adjusting mechanism |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1318965A1 (en) * | 1986-01-07 | 1987-06-23 | ЛГУ им.А.А.Жданова | Diffraction grating |
| CN2387371Y (en) * | 1998-11-26 | 2000-07-12 | 中国科学院安徽光学精密机械研究所 | Raster vernier rack |
| CN202305956U (en) * | 2011-10-27 | 2012-07-04 | 宁波美康盛德生物科技有限公司 | Grating fastening device |
| CN102706830A (en) * | 2012-03-26 | 2012-10-03 | 北京空间机电研究所 | Czerny-Turner type optical fiber spectrometer for fixing grating |
| CN203364968U (en) * | 2013-03-26 | 2013-12-25 | 江苏天瑞仪器股份有限公司 | Two-dimensional grating inclined frame for spectrometer |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006024273A (en) * | 2004-07-07 | 2006-01-26 | Matsushita Electric Ind Co Ltd | Switching device of diffraction grating in optical head adjusting device |
| US7199926B2 (en) * | 2004-11-26 | 2007-04-03 | Konica Minolta Holdings, Inc. | Diffraction grating device and optical apparatus |
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2013
- 2013-03-26 CN CN201310098644.4A patent/CN103353347B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1318965A1 (en) * | 1986-01-07 | 1987-06-23 | ЛГУ им.А.А.Жданова | Diffraction grating |
| CN2387371Y (en) * | 1998-11-26 | 2000-07-12 | 中国科学院安徽光学精密机械研究所 | Raster vernier rack |
| CN202305956U (en) * | 2011-10-27 | 2012-07-04 | 宁波美康盛德生物科技有限公司 | Grating fastening device |
| CN102706830A (en) * | 2012-03-26 | 2012-10-03 | 北京空间机电研究所 | Czerny-Turner type optical fiber spectrometer for fixing grating |
| CN203364968U (en) * | 2013-03-26 | 2013-12-25 | 江苏天瑞仪器股份有限公司 | Two-dimensional grating inclined frame for spectrometer |
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| CN103353347A (en) | 2013-10-16 |
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