CN204101181U - For the different plane non-dispersive light path system of atomic fluorescence spectrometer - Google Patents
For the different plane non-dispersive light path system of atomic fluorescence spectrometer Download PDFInfo
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- CN204101181U CN204101181U CN201420636013.3U CN201420636013U CN204101181U CN 204101181 U CN204101181 U CN 204101181U CN 201420636013 U CN201420636013 U CN 201420636013U CN 204101181 U CN204101181 U CN 204101181U
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Abstract
The utility model discloses a kind of different plane non-dispersive light path system for atomic fluorescence spectrometer, comprise housing, excitation source, detecting device, the first lens, the second lens, light source adjust structure and detecting device adjust structure, angle adjustable within the scope of 1-10 degree of the light beam that excitation source sends or the fluorescent light beam that detecting device receives and atomizer quartz ampoule center line.By the light beam of tilt adjustments excitation source up or down, excitation source light beam and atomizer quartz ampoule centerlines is made to have certain angle; Also can adjust detecting device up or down, make the angle of fluorescent light beam and atomizer quartz ampoule center line have certain angle.The different plane non-dispersive light path system architecture of atomic fluorescence spectrometer is simple, interference between the fluorescence that the light beam that excitation source can be made to send and detecting device receive diminishes, the interference of stray light be irradiated on detecting device greatly reduces, and effectively overcomes the optical system scattering of conventional atom fluorescence spectrophotometer and the serious problem of reflection interference.
Description
Technical field
The utility model relates to atomic Fluorescence Spectrometry To The Analysis field tests, particularly relates to a kind of different plane non-dispersive light path system for atomic fluorescence spectrometer.
Background technology
Atomic fluorescence spectrometer is a kind of instrument utilizing the wavelength of atomic fluorescence spectral line and intensity to carry out the quantification and qualification of element.At present, existing atomic fluorescence spectrometer, its light path system mainly comprises single channel, binary channels and hyperchannel non-dispersive light path system.The excitation source of above-mentioned light path system, excite with phosphor dot and fluorescence detector all at grade, the light beam that excitation source sends and the fluorescent light beam that fluorescence detector accepts are all perpendicular to the center line of atomizer quartz ampoule.The light beam that excitation source sends is detected partly to enter in detecting device with the form of parasitic light after scattering and reflection, can produce comparatively significant instrumental background noise, affect the performance index of instrument.
Utility model content
For solving the problems of the technologies described above, the utility model provides a kind of and reduces the different plane non-dispersive light path system of parasitic light lowering apparatus ground unrest for atomic fluorescence spectrometer.
Different plane non-dispersive light path system for atomic fluorescence spectrometer of the present utility model, comprises housing, excitation source, detecting device, the first lens, the second lens, light source adjust structure and detecting device adjust structure.Angle adjustable within the scope of 1-10 degree of the light beam that excitation source sends or the fluorescent light beam that detecting device receives and atomizer quartz ampoule center line.By the light beam of tilt adjustments excitation source up or down, excitation source light beam and atomizer quartz ampoule centerlines is made to have certain angle; Also can adjust detecting device up or down, make the angle of fluorescent light beam and atomizer quartz ampoule center line have certain angle.The light beam that described excitation source sends can be focused at atomizer through the first lens and excite and phosphor dot, excite the fluorescence beam of generation can assemble on the detector through the second lens, described light source adjust structure and detecting device adjust structure comprise the first back up pad respectively, second back up pad, head rod and the second connecting link, described first back up pad and the second back up pad are separately positioned on the housing of atomic fluorescence spectrometer, and the side of the side of the first back up pad and the second back up pad is oppositely arranged, the side of described first back up pad and the side of the second back up pad offer chute respectively, one end of described head rod and one end of the second connecting link are rotating is respectively arranged on the both sides of excitation source or the both sides of pick-up unit, the other end of described head rod through the first back up pad chute and protrude out the lateral surface of the first back up pad, the other end of described second connecting link through the second back up pad chute and protrude out the lateral surface of the second back up pad.
Further, described in the different plane non-dispersive light path system for atomic fluorescence spectrometer of the present utility model, detecting device is the photomultiplier that hurries day.
Further, described in the different plane non-dispersive light path system for atomic fluorescence spectrometer of the present utility model, excitation source is hollow cathode lamp.
Compared with prior art the beneficial effects of the utility model are: the different plane non-dispersive light path system architecture of atomic fluorescence spectrometer is simple, interference between the fluorescence that the light beam that excitation source can be made to send and detecting device receive diminishes, the interference of stray light be irradiated on detecting device greatly reduces, and effectively overcomes the optical system scattering of conventional atom fluorescence spectrophotometer and the serious problem of reflection interference.
Accompanying drawing explanation
Fig. 1 is the light channel structure schematic diagram of the excitation source of the different plane non-dispersive light path system for atomic fluorescence spectrometer of the present utility model;
Fig. 2 is the light channel structure schematic diagram of the detecting device of the different plane non-dispersive light path system for atomic fluorescence spectrometer of the present utility model;
Fig. 3 is light source adjust structure schematic diagram;
Fig. 4 is detecting device adjust structure schematic diagram.
In figure, 1: atomizer; 2: the first lens; 3: excitation source; 4: the second lens; 5: detecting device; 6: the first back up pads; 7: head rod; 8: the second back up pads; 9: the second connecting links.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
As shown in Figure 1, different plane non-dispersive light path system for atomic fluorescence spectrometer of the present utility model, comprise housing, excitation source 3, pick-up unit 5, first lens 2, second lens 4, light source adjust structure and detecting device 5 adjust structure, the light beam that excitation source 3 sends can be focused at exciting and phosphor dot on atomizer quartz ampoule through the first lens 2, the fluorescence beam produced that is excited can be focused on detecting device 5 through the second lens 4, light source adjust structure and pick-up unit 5 adjust structure comprise the first back up pad 6 respectively, second back up pad 8, head rod 7 and the second connecting link 9, first back up pad and the second back up pad are separately positioned on the housing of atomic fluorescence spectrometer, and the side of the side of the first back up pad and the second back up pad is oppositely arranged, the side of the first back up pad and the side of the second back up pad offer chute respectively, one end of head rod and one end of the second connecting link are rotating is respectively arranged on the both sides of excitation source 3 or the both sides of pick-up unit 5, the other end of head rod through the first back up pad chute and protrude out the lateral surface of the first back up pad, the other end of the second connecting link through the second back up pad chute and protrude out the lateral surface of the second back up pad.
Angle adjustable within the scope of 1-10 degree of the light beam that excitation source 3 sends or the fluorescent light beam that detecting device receives and atomizer 1 quartz ampoule center line.During concrete operations, instrumentation personnel manual rotation excitation source 3 or pick-up unit 5, thus drive head rod and the second connecting link to slide in the chute of the chute of the first back up pad and the second back up pad respectively, thus realize the adjustment of the angle to excitation source 3 and pick-up unit 5, in addition, by the light beam of tilt adjustments excitation source 3 up or down, make it there is certain angle with the angle of atomizer 1 quartz ampoule center line; Or adjust detecting device 5 up or down, make it there is certain angle with atomizer 1 flame kernel wire clamp angle.
Of the present utility model is the photomultiplier that hurries day for the detecting device 5 in the different plane non-dispersive light path system of atomic fluorescence spectrometer.
Of the present utility model is hollow cathode lamp for the excitation source 5 in the different plane non-dispersive light path system of atomic fluorescence spectrometer.
Below be only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.
Claims (1)
1. the different plane non-dispersive light path system for atomic fluorescence spectrometer, it is characterized in that, comprise housing, excitation source, detecting device, the first lens, the second lens, light source adjust structure and detecting device adjust structure, angle adjustable within the scope of 1-10 degree of the light beam that excitation source sends or the fluorescent light beam that detecting device receives and atomizer quartz ampoule center line, by the light beam of tilt adjustments excitation source up or down, excitation source light beam and atomizer quartz ampoule centerlines is made to have certain angle, also can adjust detecting device up or down, make the angle of fluorescent light beam and atomizer quartz ampoule center line have certain angle, the light beam that described excitation source sends can be focused at through the first lens and excite with on phosphor dot above atomizer quartz ampoule, the fluorescence beam produced that is excited can be assembled on the detector through the second lens, described light source adjust structure and detecting device adjust structure comprise the first back up pad respectively, second back up pad, head rod and the second connecting link, described first back up pad and the second back up pad are separately positioned on the housing of atomic fluorescence spectrometer, and the side of the side of the first back up pad and the second back up pad is oppositely arranged, the side of described first back up pad and the side of the second back up pad offer chute respectively, one end of described head rod and one end of the second connecting link are rotating is respectively arranged on the both sides of excitation source or the both sides of pick-up unit, the other end of described head rod through the first back up pad chute and protrude out the lateral surface of the first back up pad, the other end of described second connecting link through the second back up pad chute and protrude out the lateral surface of the second back up pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420636013.3U CN204101181U (en) | 2014-10-22 | 2014-10-22 | For the different plane non-dispersive light path system of atomic fluorescence spectrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420636013.3U CN204101181U (en) | 2014-10-22 | 2014-10-22 | For the different plane non-dispersive light path system of atomic fluorescence spectrometer |
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| Publication Number | Publication Date |
|---|---|
| CN204101181U true CN204101181U (en) | 2015-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420636013.3U Expired - Fee Related CN204101181U (en) | 2014-10-22 | 2014-10-22 | For the different plane non-dispersive light path system of atomic fluorescence spectrometer |
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| CN (1) | CN204101181U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827472A (en) * | 2018-04-27 | 2018-11-16 | 山西中谱能源科技有限公司 | Combined type multi-pass integrates atomic fluorescence detector |
-
2014
- 2014-10-22 CN CN201420636013.3U patent/CN204101181U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827472A (en) * | 2018-04-27 | 2018-11-16 | 山西中谱能源科技有限公司 | Combined type multi-pass integrates atomic fluorescence detector |
| CN108827472B (en) * | 2018-04-27 | 2020-05-12 | 山西中谱能源科技有限公司 | Combined multi-light path integrated atomic fluorescence instrument |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150114 Termination date: 20201022 |