CN203798451U - Light splitting chamber for a direct reading spectrometer - Google Patents
Light splitting chamber for a direct reading spectrometer Download PDFInfo
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- CN203798451U CN203798451U CN201320732432.2U CN201320732432U CN203798451U CN 203798451 U CN203798451 U CN 203798451U CN 201320732432 U CN201320732432 U CN 201320732432U CN 203798451 U CN203798451 U CN 203798451U
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- grating
- pedestal
- light
- adjustment member
- reading spectrometer
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 51
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract 1
- 238000003384 imaging method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The utility model provides a light splitting chamber for a direct reading spectrometer. The light splitting chamber for the direct reading spectrometer comprises an entrance slit, a grating, a grating two-dimensional inclined support, and an exit slit, wherein light from a light source passes through the entrance slit and is radiated to the grating to be split. The grating two-dimensional inclined support is installed on the grating so that a grating line can be made to be parallel with the entrance slit and the exit slit by adjusting the grating two-dimensional inclined support. Thus, light split by the grating can be emitted out of the exit slit. According to the light splitting chamber, only the two-dimensional inclined support is required to adjust changes of the X-axis, the Y-axis and the Z-axis of the grating so as to make images of the entrance slit, the grating and the exit slit parallel with one another accurately. Thus, an adjusting effect is achieved, installation is well simplified, a complex dimming effect is completed by a simpler mechanical structure, and cost of a large number of mechanical components is saved.
Description
Technical field
The utility model belongs to optical field, relates to a kind of light-splitting chamber for direct-reading spectrometer.
Background technology
Tradition light-splitting chamber debugging structure comprises: entrance slit--grating--exit slit.Wherein, entrance slit is fixed, and by regulating the position of exit slit, makes entrance slit, grating, exit slit three's imaging become exactly parallel relation., problem is: exit slit is made up of many monochromatic light, and theoretical position has all been fixed (between incident light and normal, having fixed angle), and corresponding physical construction more complicated and relatively huge, regulates to get up to be not easy.In addition, regulate grating by existing hinge-type grating slope frame, cause raster center to be offset for a moment, and occur skew with the center of light path, thereby be lowered into the resolution of picture, cause the overall precision of spectrometer not high; The second, this kind of structure assembling relative complex, the space taking is large, so that the space of its required arrangement, it is large that the volume of vacuum cavity becomes.
Utility model content
In view of this, need to overcome at least one in above-mentioned defect of the prior art.
The utility model proposes a kind of novel light-splitting chamber entrance slit and grating for direct-reading spectrometer, incide described grating to carry out light splitting from the light of light source through described entrance slit; And
Grating two dimension tilt stand and exit slit, thereby described grating two dimension tilt stand is arranged on described grating by regulating described grating two dimension tilt stand to make described grating line be parallel to described entrance slit and described exit slit makes the light separating through described grating penetrate by described exit slit
Wherein, described grating two dimension tilt stand comprises pedestal and 3 supports,
On described pedestal, be provided with accordingly 3 support through holes, described 3 supports are connected with described pedestal by described support through holes respectively, and the center of described 3 support through holes figure that line forms is between two equilateral triangle,
The center of described pedestal is provided with the chamber that described grating is installed, and it is interior with described pedestal interlock that described grating is fixedly mounted on described chamber,
Described support comprises: pedestal governor motion, support column, adjustment member and fixed part, described pedestal adjustment structure one end is connected to and on described support column and with described adjustment member, is fixedly connected with so that described pedestal adjustment structure can be with described adjustment member interlock, regulates the position of the described pedestal being connected with described pedestal governor motion with this; Described adjustment member is arranged on described support column and can on described support column, moves; Described fixed part fixes the position of described adjustment member by the through hole on described adjustment member.
According to light-splitting chamber of the present utility model, only need regulate the variation of grating X, Y, Z axis by two-dimentional tilting rack is exactly that the imaging of entrance slit, grating, exit slit is exactly parallel, reach debugging effect, can be good at simplifying and install, complete complicated dimming effect by more simple and mechanical structure, and saved a lot of mechanical part costs.
Preferably, support column is threaded post, and described adjustment member is setting nut, and described setting nut is installed in described threaded post and can be moved.
Further preferably, described support also comprises resetting-mechanism, described resetting-mechanism be arranged on described support column and with one end close contact of described pedestal governor motion, contribute to one end of described pedestal governor motion reset and eliminate thread pitch.
Wherein, described resetting-mechanism can be spring.
Advantageously, 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 described outer ring is connected with one end of described Universal arm; The other end of described Universal arm is connected with described pedestal by described guide pipe, and described Universal arm can rotate by described guide pipe and along described guide pipe axially-movable, drive the banking motion of described pedestal.
Advantageously, described grating two dimension tilt stand also comprises grating lid, and described grating lid is used for pushing down described grating.
Advantageously, described fixed part is holding screw, and the through hole on described adjustment member is threaded hole, and described holding screw contacts with described support column locking the position that fixes described adjustment member by the described threaded hole on described adjustment member.
Advantageously, described pedestal is set square or circular slab.
The aspect that the utility model is additional and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Brief description of the drawings
Above-mentioned and/or additional aspect of the present utility model and advantage will become obviously and easily from the following description of the accompanying drawings of embodiments to be understood, wherein:
Fig. 1 is the schematic diagram of an embodiment of the present utility model;
Fig. 2 is the schematic diagram of the grating two dimension tilt stand in embodiment of the utility model;
Fig. 3 is the schematic top plan view of the two dimension of grating shown in Fig. 2 tilt stand;
Fig. 4 is the diagrammatic cross-section of Fig. 3 along A-A face.
Description of reference numerals
100: entrance slit
200: grating two dimension tilt stand
300: exit slit
2: pedestal,
3: support,
31: pedestal governor motion,
311: oscillating bearing,
312: Universal arm,
313: guide pipe,
32: support column,
34: adjustment member,
35: fixed part,
4: resetting-mechanism,
6: grating,
7: chamber,
8: grating lid.
OVH, 3 is three summits of broken line triangle in accompanying drawing 3.
Embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment being described with reference to the drawings, only for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " on ", orientation or the position relationship of the instruction such as D score, " end ", " top ", 'fornt', 'back', " interior ", " outward ", " left side ", " right side " be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, construct and operation with specific orientation, therefore can not be interpreted as restriction of the present utility model.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " connection ", " connection ", " being connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, connecting integratedly, can be also to removably connect; It can be the connection of two element internals; Can be to be directly connected, also can indirectly be connected by intermediary, for the ordinary skill in the art, can concrete condition understand the concrete meaning of above-mentioned term in the utility model.
Utility model design of the present utility model is as follows, as described in technical background, available technology adopting hinge-type grating two-dimensional adjustment mode not only easily causes the variation of raster center position, structure assembling is simultaneously also comparatively complicated, regulating device and pedestal are formed one by the utility model, assembling is more simple compact, also can make vacuum cavity space less simultaneously, thus provide a kind of simple, compact, be easy to the light-splitting chamber for direct-reading spectrometer that regulates.
Below, first describe according to light-splitting chamber of the present utility model with reference to figure 1.
As shown in Figure 1, comprise according to light-splitting chamber of the present utility model: entrance slit 100, grating 6, grating two dimension tilt stand 200, exit slit 300.
Light from light source incides grating 6 to carry out light splitting through entrance slit 100.Thereby grating two dimension tilt stand 200 is arranged on grating 6 by regulating grating two dimension tilt stand 200 to make grating line be parallel to entrance slit 100 and exit slit 300 makes the light separating through 6 gratings penetrate by exit slit 300.
Wherein, entrance slit 100 is to be spelled by two blades, and the general 20um of formation is wide, height 1cm, is irradiated on grating 6 every electro-optical device (only allowing the light of area between two blade gaps to pass through) with interior.What entrance slit 100 found light incident by local mobile on Rowland circle (displacement is probably 3cm-4cm) composes the most by force peak place.
Exit slit 300 is engraved in (for a lot of bar width are 30-50um, height is 1cm) on the stainless steel band that a thickness is 0.1mm by the mode of laser, is positioned on Rowland circle, taking normal as anchor point.
According to the light-splitting chamber of the utility model embodiment, only need regulate the variation of grating X, Y, Z axis by two-dimentional tilting rack is exactly that the imaging of entrance slit, grating, exit slit is exactly parallel, reach debugging effect, can be good at simplifying and install, complete complicated dimming effect by more simple and mechanical structure, and saved a lot of mechanical part costs.
Next, describe according to grating two dimension tilt stand 200 of the present utility model by accompanying drawing 2 ~ 4.
According to the utility model embodiment for the grating two dimension tilt stand 200 on the light-splitting chamber of direct-reading spectrometer.As shown in Fig. 2-Fig. 4, grating two dimension tilt stand 200 comprises the support 3 of 20,3 of pedestals, wherein, pedestal 20 comprises 3 support through holes, 3 are supported 3 is equilateral triangle by the center figure that line forms between two of support through holes and pedestal 20 fixed connections and support through holes respectively, as shown in figure and Fig. 4 that OHV in Fig. 3 forms.
Pedestal 20 centers are provided with the chamber 7 that grating 6 is installed, and grating 6 is fixedly mounted in chamber 7, and with pedestal 20 interlocks, grating 6 is relative static with pedestal 20 positions.
Support 3 and comprise pedestal governor motion 31, support column 32, adjustment member 34 and fixed part 35.Thereby pedestal adjustment structure 31 one end are connected on support column 32 and with adjustment member 34 and are fixedly connected with and can move with adjustment member 34, to regulate the shift in position of the described pedestal 20 being connected with described pedestal governor motion 31.Adjustment member 34 is arranged on support column 32 and can on support column 32, moves.Fixed part 35 fixes the position of adjustment member 34 by the through hole on adjustment member 34.
According to embodiment more of the present utility model, support column 32 is threaded post, and adjustment member 34 is setting nut, and setting nut is arranged in threaded post and can moves.
According to embodiment more of the present utility model, support 3 and also comprise resetting-mechanism 4, resetting-mechanism 4 be arranged on support column 32 and with one end close contact of pedestal governor motion 31, contribute to one end of pedestal governor motion 31 reset and eliminate the thread pitch existing in described adjustment member 34.
According to embodiment more of the present utility model, preferably, resetting-mechanism 4 is springs.
In the time of adjustment member 34 occurrence positions variation, the restoring force of resetting-mechanism 4 makes one end of the pedestal governor motion 31 contacting with resetting-mechanism 4 immediately reset and eliminate thread pitch.
According to embodiment more of the present utility model, pedestal governor motion 31 comprises oscillating bearing 311, Universal arm 312, guide pipe 313.Oscillating bearing 312 comprises inner ring and outer ring, and inner ring is fixedly connected with adjustment member 4 and can moves with adjustment member 4, and outer ring is connected with one end of Universal arm 312; The other end of Universal arm 312 is connected with pedestal 20 by guide pipe 313, and Universal arm 312 can rotate by guide pipe 313 and along guide pipe 313 axially-movables, drive pedestal 20 to do banking motion.
According to embodiment more of the present utility model, also comprise grating lid 8 for the grating two dimension tilt stand on spectrometer, grating lid 8 is used for pushing down grating 6.
According to embodiment more of the present utility model, preferably, described fixed part 35 is holding screws, and described through hole is threaded hole, and described holding screw is contacted described adjustment member 4 positions are fixed with described support column 32 lockings by the described threaded hole on described adjustment member 4.
According to embodiment more of the present utility model, alternatively, described pedestal 20 is set square or circular slab.
According to above-mentioned grating two dimension tilt stand 200, by three supports 3 that lay respectively at leg-of-mutton three summits, on each support column, have can be certain up and down oscillating bearing, the arm of three oscillating bearings is fixed a packaged hang plate that has concave grating, one of them oscillating bearing height is fixed, regulate in order two other bearing height, can realize needed angle of inclination.
Although embodiment of the present utility model is described in detail with reference to multiple illustrative examples of the present utility model, but it must be understood that, those skilled in the art can design multiple other improvement and embodiment, these improve and embodiment by within dropping on the spirit and scope of the utility model principle.Particularly, within the scope of aforementioned open, accompanying drawing and claim, can aspect the layout of parts and/or subordinate composite configuration, make rational modification and improvement, and can not depart from spirit of the present utility model.Except modification and the improvement of parts and/or layout aspect, its scope is limited by claims and equivalent thereof.
Claims (8)
1. for a light-splitting chamber for direct-reading spectrometer, it is characterized in that, comprising:
Entrance slit and grating, incide described grating to carry out light splitting from the light of light source through described entrance slit; And
Grating two dimension tilt stand and exit slit, thereby described grating two dimension tilt stand is arranged on described grating by regulating described grating two dimension tilt stand to make described grating line be parallel to described entrance slit and described exit slit makes the light separating through described grating penetrate by described exit slit
Wherein, described grating two dimension tilt stand comprises pedestal and 3 supports,
On described pedestal, be provided with accordingly 3 support through holes, described 3 supports are connected with described pedestal by described support through holes respectively, and the center of described 3 support through holes figure that line forms is between two equilateral triangle,
The center of described pedestal is provided with the chamber that described grating is installed, and it is interior with described pedestal interlock that described grating is fixedly mounted on described chamber,
Described support comprises: pedestal governor motion, support column, adjustment member and fixed part, described pedestal adjustment structure one end is connected to and on described support column and with described adjustment member, is fixedly connected with so that described pedestal adjustment structure can be with described adjustment member interlock, regulates the position of the described pedestal being connected with described pedestal governor motion with this; Described adjustment member is arranged on described support column and can on described support column, moves; Described fixed part fixes the position of described adjustment member by the through hole on described adjustment member.
2. the light-splitting chamber for direct-reading spectrometer according to claim 1, is characterized in that, described support column is threaded post, and described adjustment member is setting nut, and described setting nut is installed in described threaded post and can be moved.
3. the light-splitting chamber for direct-reading spectrometer according to claim 1, it is characterized in that, described support also comprises resetting-mechanism, described resetting-mechanism be arranged on described support column and with one end close contact of described pedestal governor motion, contribute to one end of described pedestal governor motion reset and eliminate thread pitch.
4. the light-splitting chamber for direct-reading spectrometer according to claim 3, is characterized in that, described resetting-mechanism is spring.
5. the light-splitting chamber for direct-reading spectrometer according to claim 1, 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 described outer ring is connected with one end of described Universal arm; The other end of described Universal arm is connected with described pedestal by described guide pipe, and described Universal arm can rotate by described guide pipe and along described guide pipe axially-movable, drive the banking motion of described pedestal.
6. the light-splitting chamber for direct-reading spectrometer according to claim 1, is characterized in that, described grating two dimension tilt stand also comprises grating lid, and described grating lid is used for pushing down described grating.
7. the light-splitting chamber for direct-reading spectrometer according to claim 1, it is characterized in that, described fixed part is holding screw, through hole on described adjustment member is threaded hole, and described holding screw contacts with described support column locking the position that fixes described adjustment member by the described threaded hole on described adjustment member.
8. the light-splitting chamber for direct-reading spectrometer according to claim 1, is characterized in that, described pedestal is set square or circular slab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320732432.2U CN203798451U (en) | 2013-11-20 | 2013-11-20 | Light splitting chamber for a direct reading spectrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320732432.2U CN203798451U (en) | 2013-11-20 | 2013-11-20 | Light splitting chamber for a direct reading spectrometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203798451U true CN203798451U (en) | 2014-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320732432.2U Expired - Lifetime CN203798451U (en) | 2013-11-20 | 2013-11-20 | Light splitting chamber for a direct reading spectrometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203798451U (en) |
Cited By (1)
| 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 |
-
2013
- 2013-11-20 CN CN201320732432.2U patent/CN203798451U/en not_active Expired - Lifetime
Cited By (1)
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140827 |