CN201339878Y - Light filter and collimator combined switching unit - Google Patents
Light filter and collimator combined switching unit Download PDFInfo
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- CN201339878Y CN201339878Y CNU2009201415957U CN200920141595U CN201339878Y CN 201339878 Y CN201339878 Y CN 201339878Y CN U2009201415957 U CNU2009201415957 U CN U2009201415957U CN 200920141595 U CN200920141595 U CN 200920141595U CN 201339878 Y CN201339878 Y CN 201339878Y
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- optical filter
- collimater
- fixator
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Abstract
The utility model discloses a light filter and collimator combined switching unit applied to a mini-type X fluorescence spectrometer, which comprises a body, a collimator fixer and a light filter fixer that are vertical to the light path direction and can be disposed on the body in a sliding way, a first motor and a second motor disposed on the body, and a first driving gear and a second driving gear fixedly connected on output shafts of the first motor and the second motor respectively, wherein, a light hole is arranged on the body, at least two groups of collimators are disposed on the collimator fixer, at least two groups of light filters are disposed on the light filter fixer, a first rack meshed with the second driving gear is also disposed on the collimator fixer, and a second rack meshed with the first driving gear is also disposed on the light filter fixer. The utility model solves the problems of the prior art, and provides the light filter and collimator combined switching unit with high reliability and simple structure.
Description
Technical field
The utility model relates to a kind of switching optical filter of miniature X XRF and device of collimator arrangement of being applied to.
Background technology
In the course of work of X XRF, when sample is subjected to elementary x-ray bombardment, can on all directions, produce fluorescent X-ray, therefore need to shield the XRF of dispersing, thereby improve the resolution ratio and the peak back of the body ratio of spectrometer, thereby collimater is requisite parts of spectrometer, and a spectrometer often has a plurality of collimaters to adapt to different duties; As another important component part of spectrometer, optical filter can carry out energy to multielement fluorescent X-ray in the sample and select, filter the background XRF, improve the certainty of measurement of element to be measured, similarly, a spectrometer also has many group optical filters to adapt to different duties, for example: the copper optical filter is used to improve background and 20～30 electron-volts of detection limits that scope is interior; The aluminium optical filter is used to reduce the Compton scattering background and improves the interior detection limit of 6～10 electron-volts of scopes.In the use of reality, above-mentioned many groups collimater need adopt different compound modes to realize best measurement effect with many group optical filters.
Under the prior art, above-mentioned many groups collimater is to realize separate to each other switching by two cover switching device shifters with many group optical filters, so not only cause the spectrometer volume comparatively huge, be difficult to realize the microminiaturization of spectrometer, also caused shortcomings such as the whole reliability of equipment is lower simultaneously.
The utility model content
In order to overcome above-mentioned shortcoming, the purpose of this utility model provides optical filter and the collimator arrangement switching device shifter that a kind of volume is less, reliability is higher.
For achieving the above object, the technical scheme that the utility model adopted is: a kind of optical filter and collimator arrangement switching device shifter, it has comprised the body of fixation, be slidably disposed on collimater fixator and optical filter fixator on the described body perpendicular to optical path direction, be arranged on first motor and second motor on the described body, and be fixedly connected on first driven wheel and second driven wheel on the output shaft of described first motor and second motor respectively, offer loophole on the described body, described collimater fixator is provided with at least two group collimaters, described optical filter fixator is provided with at least two group optical filters, also be provided with first tooth bar that is meshed with described second driven wheel on the described collimater fixator, also be provided with second tooth bar that is meshed with described first driven wheel on the described optical filter fixator, when described first motor or second motor rotate, described collimater fixator or optical filter fixator will move to described loophole with respect to described loophole is parallel, collimater, optical filter three's optical main axis coincides.
Preferably, also be respectively arranged with the collimater gathering sill and the optical filter gathering sill that are used for the controlled motion direction on described collimater fixator and the optical filter fixator, also be provided with a plurality of locating pins on the described body, described a plurality of locating pins are passed described collimater gathering sill and optical filter gathering sill respectively and described collimater fixator and optical filter fixator are supported on the described body.
More preferably, along on the direction of optical main axis, described collimater gathering sill and optical filter gathering sill overlap and are provided with, and described collimater fixator and optical filter fixator will move in parallel to each other.
Preferably, also be respectively arranged with first trigger and second trigger on described collimater fixator and the optical filter fixator, be set with circuit board on the described body, be electrically connected with collimater inductor and optical filter inductor on the described circuit board, described collimater inductor and described first trigger effect of matching, described optical filter inductor and described second trigger effect of matching, thus the position of described collimater fixator and optical filter fixator accurately controlled.
More preferably, described collimater inductor and optical filter inductor are optoelectronic switch, and described first trigger and second trigger are light-blocking member.
The utility model compared with prior art has following advantage: owing to adopted collimater fixator and optical filter fixator are co-located on a technical scheme on the body, greatly reduced the volume of instrument, be applicable to micro spectrometer, meanwhile, employing makes that by the switching mode of micromachine and the common control of optoelectronic switch the reliability of entire equipment is stronger.
Description of drawings
Accompanying drawing 1 is a broken away view of the present utility model;
Accompanying drawing 2 is working state schematic representation of the present utility model (first collimater and the combination of first optical filter);
Accompanying drawing 3 is working state schematic representation of the present utility model (first collimater and the combination of second optical filter);
Accompanying drawing 4 is working state schematic representation of the present utility model (second collimater and the combination of first optical filter);
Accompanying drawing 5 is working state schematic representation of the present utility model (second collimater and the combination of second optical filter).
Wherein: 1, locating pin; 2, collimater fixator; 21, first tooth bar; 22, collimater gathering sill; 23, first collimater; 24, second collimater; 25, first trigger; 3, optical filter fixator; 31, second tooth bar; 32, optical filter gathering sill; 33, first optical filter; 34, second optical filter; 35, second trigger; 4, body; 41, loophole; 51, first driven wheel; 52, second driven wheel; 6, first motor; 7, second motor; 8, circuit board; 81,82, collimater inductor; 83,84, optical filter inductor.
The specific embodiment
The utility model will be further described below in conjunction with drawings and the specific embodiments.
Referring to accompanying drawing 1 to accompanying drawing 5, a kind of optical filter and collimator arrangement switching device shifter, it has comprised the body 4 of fixation, be slidably disposed on collimater fixator 2 and optical filter fixator 3 on the body 4 perpendicular to optical path direction, be arranged on first motor 6 and second motor 7 on the body 4, and be fixedly connected on first driven wheel 51 and second driven wheel 52 on the output shaft of first motor 6 and second motor 7 respectively, on body 4, offer loophole 41, collimater fixator 2 is provided with two groups of collimaters 23,24, optical filter fixator 3 is provided with two groups of optical filters 33,34, on collimater fixator 2, also be provided with first tooth bar 21 that is meshed with second driven wheel 52, on optical filter fixator 3, also be provided with second tooth bar 31 that is meshed with first driven wheel 51, when first motor 6 or 7 rotations of second motor, collimater fixator 2 or optical filter fixator 3 will be with respect to the loophole 41 parallel loopholes 41 that move to, collimater 23 or 24, optical filter 33 or 34 optical main axis coincide.
On collimater fixator 2 and optical filter fixator 3, also be respectively arranged with the collimater gathering sill 22 and the optical filter gathering sill 32 that are used for the controlled motion direction, collimater gathering sill 22 and optical filter gathering sill 32 are along overlapping on the optical main axis direction, to reach the optimization of control, also be provided with two locating pins 1 on body 4, described two locating pins 1 are passed collimater gathering sill 22 and optical filter gathering sill 32 respectively and collimater fixator 2 and optical filter fixator 3 are supported on the body 4.
On collimater fixator 2 and optical filter fixator 3, also be respectively arranged with first trigger 25 and second trigger 35, on body 4, be set with circuit board 8, on circuit board 8, be electrically connected with collimater inductor 81,82 and optical filter inductor 83,84, the collimater inductor 81,82 and first trigger 25 effect of matching, the optical filter inductor 83,84 and second trigger 35 effect of matching, above-mentioned collimater inductor 81,82 and optical filter inductor 83,84 are optoelectronic switch, and first trigger 25 and second trigger 35 are light-blocking member.
Describe operation principle of the present utility model below in detail.
As shown in Figure 2, second motor 7 turns clockwise, second driven wheel 52 drives 21 motions of first tooth bar, thereby drive with the collimater fixator 2 of first tooth bar, 21 one and do translational motion left along collimater gathering sill 22 determined tracks, when collimater inductor 81 was sensed the high order end of first trigger 25, second motor 7 stopped the rotation; Meanwhile, first motor 6 turns clockwise, first driven wheel 51 drives 31 motions of second tooth bar, thereby drive with the optical filter fixator 3 of second tooth bar, 31 one and do translational motion left along optical filter gathering sill 32 determined tracks, when optical filter inductor 83 is sensed the high order end of second trigger 35, first motor 6 stops the rotation, and realizes that finally the optical main axis of loophole 41, first collimater 23, first optical filter 33 coincides.
As shown in Figure 3, second motor 7 turns clockwise, second driven wheel 52 drives 21 motions of first tooth bar, thereby drive with the collimater fixator 2 of first tooth bar, 21 one and do translational motion left along collimater gathering sill 22 determined tracks, when collimater inductor 81 was sensed the high order end of first trigger 25, second motor 7 stopped the rotation; Meanwhile, first motor 6 is rotated counterclockwise, first driven wheel 51 drives 31 motions of second tooth bar, thereby drive with the optical filter fixator 3 of second tooth bar, 31 one and do translational motion to the right along optical filter gathering sill 32 determined tracks, when optical filter inductor 84 is sensed the low order end of second trigger 35, first motor 6 stops the rotation, and realizes that finally the optical main axis of loophole 41, first collimater 23, second optical filter 34 coincides.
Similar therewith, can realize the state that the optical main axis of as shown in Figure 4 loophole 41, second collimater 24, first optical filter 33 coincides, and the state that coincides of the optical main axis of loophole as shown in Figure 5 41, second collimater 24, second optical filter 34, here not at repeated description, by switching the combination of four kinds of different collimaters and optical filter, to reach the purpose that makes spectrometer adapt to different working conditions.
By above-mentioned embodiment, be not difficult to find out that the utility model is optical filter and the collimator arrangement switching device shifter that a kind of volume is less, reliability is higher.
Above embodiment only is explanation technical conceive of the present utility model and characteristics; its purpose is to allow the people that is familiar with this technology understand content of the present utility model and is implemented; can not limit protection domain of the present utility model with this; all equivalences of doing according to the utility model spirit essence change or modify, and all should be encompassed in the protection domain of the present utility model.
Claims (5)
1, a kind of optical filter and collimator arrangement switching device shifter, it is characterized in that: it comprises body (4), be slidably disposed on collimater fixator (2) and optical filter fixator (3) on the described body (4) perpendicular to optical path direction, be arranged on first motor (6) and second motor (7) on the described body (4), and be fixedly connected on first driven wheel (51) and second driven wheel (52) on the output shaft of described first motor (6) and second motor (7) respectively, offer loophole (41) on the described body (4), described collimater fixator (2) is provided with at least two group collimaters (23,24), described optical filter fixator (3) is provided with at least two group optical filters (33,34), also be provided with first tooth bar (21) that is meshed with described second driven wheel (52) on the described collimater fixator (2), also be provided with second tooth bar (31) that is meshed with described first driven wheel (51) on the described optical filter fixator (3).
2, optical filter according to claim 1 and collimator arrangement switching device shifter, it is characterized in that: also be respectively arranged with collimater gathering sill (22) and optical filter gathering sill (32) on described collimater fixator (2) and the optical filter fixator (3), also be provided with a plurality of locating pins (1) on the described body (4), described a plurality of locating pins (1) are slidably disposed on respectively in described collimater gathering sill (22) and the optical filter gathering sill (32).
3, optical filter according to claim 2 and collimator arrangement switching device shifter is characterized in that: described collimater gathering sill (22) and optical filter gathering sill (32) are along overlapping on the direction of optical main axis.
4, optical filter according to claim 1 and collimator arrangement switching device shifter, it is characterized in that: also be respectively arranged with first trigger (25) and second trigger (35) on described collimater fixator (2) and the optical filter fixator (3), be set with circuit board (8) on the described body (4), described circuit board is electrically connected with collimater inductor (81 on (8), 82) and optical filter inductor (83,84), described collimater inductor (81,82) with described first trigger (25) effect of matching, described optical filter inductor (83,84) with described second trigger (35) effect of matching.
5, optical filter according to claim 4 and collimator arrangement switching device shifter, it is characterized in that: described collimater inductor (81,82) and optical filter inductor (83,84) are optoelectronic switch, and described first trigger (25) and second trigger (35) are light-blocking member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201415957U CN201339878Y (en) | 2009-01-20 | 2009-01-20 | Light filter and collimator combined switching unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201415957U CN201339878Y (en) | 2009-01-20 | 2009-01-20 | Light filter and collimator combined switching unit |
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| Publication Number | Publication Date |
|---|---|
| CN201339878Y true CN201339878Y (en) | 2009-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2009201415957U Expired - Fee Related CN201339878Y (en) | 2009-01-20 | 2009-01-20 | Light filter and collimator combined switching unit |
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| CN (1) | CN201339878Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103900701A (en) * | 2014-03-28 | 2014-07-02 | 中国科学院上海技术物理研究所 | Light filter set and attenuation slice set curtain type switching device |
| CN106444229A (en) * | 2016-11-23 | 2017-02-22 | 东莞市维斗科技股份有限公司 | Multi-filter IR-CUT switcher |
| CN106896494A (en) * | 2017-02-17 | 2017-06-27 | 河南中光学集团有限公司 | The method for producing different colour gamuts using the switching of notchfilter |
| CN107389713A (en) * | 2017-06-28 | 2017-11-24 | 苏州浪声科学仪器有限公司 | A kind of x-ray detection system of switching light filter |
| CN107658041A (en) * | 2017-09-11 | 2018-02-02 | 江苏天瑞仪器股份有限公司 | A kind of rotational structure for the more collimaters of wavelength dispersion X-fluorescence instrument |
| CN107655919A (en) * | 2017-09-11 | 2018-02-02 | 江苏天瑞仪器股份有限公司 | A kind of location structure for the more collimaters of X fluorescence spectrometer |
-
2009
- 2009-01-20 CN CNU2009201415957U patent/CN201339878Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103900701A (en) * | 2014-03-28 | 2014-07-02 | 中国科学院上海技术物理研究所 | Light filter set and attenuation slice set curtain type switching device |
| CN106444229A (en) * | 2016-11-23 | 2017-02-22 | 东莞市维斗科技股份有限公司 | Multi-filter IR-CUT switcher |
| CN106896494A (en) * | 2017-02-17 | 2017-06-27 | 河南中光学集团有限公司 | The method for producing different colour gamuts using the switching of notchfilter |
| CN107389713A (en) * | 2017-06-28 | 2017-11-24 | 苏州浪声科学仪器有限公司 | A kind of x-ray detection system of switching light filter |
| CN107658041A (en) * | 2017-09-11 | 2018-02-02 | 江苏天瑞仪器股份有限公司 | A kind of rotational structure for the more collimaters of wavelength dispersion X-fluorescence instrument |
| CN107655919A (en) * | 2017-09-11 | 2018-02-02 | 江苏天瑞仪器股份有限公司 | A kind of location structure for the more collimaters of X fluorescence spectrometer |
| CN107655919B (en) * | 2017-09-11 | 2020-04-03 | 江苏天瑞仪器股份有限公司 | Positioning structure for multiple collimators of X-ray fluorescence spectrometer |
| CN107658041B (en) * | 2017-09-11 | 2022-02-08 | 江苏天瑞仪器股份有限公司 | Rotating structure for multiple collimators of wavelength dispersion X-ray fluorescence spectrometer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091104 Termination date: 20170120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |