CN218445119U - Spectrum appearance based on light source radiation detects - Google Patents
Spectrum appearance based on light source radiation detects Download PDFInfo
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- CN218445119U CN218445119U CN202222687188.4U CN202222687188U CN218445119U CN 218445119 U CN218445119 U CN 218445119U CN 202222687188 U CN202222687188 U CN 202222687188U CN 218445119 U CN218445119 U CN 218445119U
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- monochromator
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- tungsten lamp
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Abstract
The utility model discloses a spectrum appearance based on light source radiation detects relates to spectrum appearance technical field, can't adjust the position and the intensity of light source radiation as required at the in-process that uses for solving current spectrum appearance, the relatively poor problem of accuracy when leading to detecting different samples. Including the computer, one side of computer is provided with constant voltage power supply, data acquisition ware and monochromator controller, is provided with bromine tungsten lamp light source mechanism on one side position of monochromator controller, still includes: the filter wheel is arranged at the output end of the light source mechanism of the tungsten bromide lamp, one end of the filter wheel is provided with a monochromator, and the output end of the monochromator is provided with a sample chamber; the photomultiplier is arranged at the output end of the sample chamber, a sample placing pedestal is arranged in the sample chamber, and gratings are arranged on two sides of the sample placing pedestal; and the rotating mirror is arranged in the monochromator, and a triangular prism is arranged at the front end of the rotating mirror.
Description
Technical Field
The utility model relates to a spectrum appearance technical field specifically is a spectrum appearance based on light source radiation detects.
Background
The spectrometer, also known as a spectrometer, widely known as a direct-reading spectrometer, uses a photo-detector such as a photomultiplier to measure the intensities of spectral lines at different wavelength positions, and consists of an entrance slit, a dispersion system, an imaging system and one or more exit slits, and uses a dispersion element to separate the electromagnetic radiation of a radiation source into the desired wavelength or wavelength region and to measure the intensity at the selected wavelength.
For example, application numbers are: 202121745677.X (entitled spectrometer) comprising: the spectrum appearance body top is equipped with the sample cell, and coupling mechanism locates on the spectrum appearance body to realize being connected between spectrum appearance body and the transmission control mechanism, transmission control mechanism divide into two parts, and transmission part locates on the spectrum appearance body, total two, and on control part located coupling mechanism, supplementary detection mechanism located the spectrum appearance originally internally.
The spectrometer cannot adjust the position and the intensity of light source radiation as required in the using process, so that the problem of poor accuracy in detection of different samples is solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a spectrum appearance based on light source radiation detects to solve the current spectrum appearance that proposes in the above-mentioned background art and can't adjust the position and the intensity of light source radiation as required at the in-process that uses, the relatively poor problem of accuracy when leading to detecting different samples.
In order to achieve the above object, the utility model provides a following technical scheme: a spectrometer based on light source radiation detection comprises a computer, wherein a stabilized voltage supply, a data acquisition unit and a monochromator controller are arranged on one side of the computer, and a bromine tungsten lamp light source mechanism is arranged on one side of the monochromator controller;
further comprising:
the filter wheel is arranged at the output end of the light source mechanism of the tungsten bromide lamp, one end of the filter wheel is provided with a monochromator, and the output end of the monochromator is provided with a sample chamber;
the photomultiplier is arranged at the output end of the sample chamber, a sample placing pedestal is arranged in the sample chamber, and gratings are arranged on two sides of the sample placing pedestal;
the rotating mirror is arranged in the monochromator, a triangular prism is arranged at the front end of the rotating mirror, and two reflecting mirrors are arranged on one side of the triangular prism.
Preferably, a tungsten bromide lamp is arranged inside the tungsten bromide lamp light source mechanism, a refractor is arranged on one side of the tungsten bromide lamp, and the refraction position of the refractor corresponds to the light outlet of the tungsten bromide lamp light source mechanism.
Preferably, the reflecting mirror, the rotating mirror and the prism are movably connected with the inner bin of the monochromator through rotating shafts.
Preferably, the output end of the computer is electrically connected with the input end of the monochromator controller, and the output end of the monochromator controller is electrically connected with the input end of the filter wheel.
Preferably, the output end of the photomultiplier is electrically connected with the input end of the data collector, and the output end of the data collector is electrically connected with the input end of the computer.
Preferably, the output end of the voltage-stabilized power supply is electrically connected with the input end of the photomultiplier detector.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a bromine tungsten lamp produces the light source, it takes turns to the filter to roll the light source under the effect of refractor, monochromator controller control filter wheel rotates, thereby carry out suitable filtering to the light source and handle, then the light source through filtering processing passes through the speculum, rotatory mirror and prism refraction are handled the back, shine on the sample that the pedestal upper end was put to the sample, the speculum, rotatory mirror and prism all pass through pivot swing joint with the interior storehouse of monochromator, be convenient for turn to the regulation to the mirror surface, thereby adjust the position orbit of light source radiation, overcome current spectrum appearance and can't adjust the position and the intensity of light source radiation as required at the in-process that uses, lead to the relatively poor problem of accuracy when detecting different samples.
Drawings
Fig. 1 is a schematic view of the overall structure of the spectrometer based on light source radiation detection according to the present invention;
FIG. 2 is a schematic diagram of the internal structure of the sample chamber of the present invention;
FIG. 3 is a schematic view of the internal structure of the light source mechanism of the bromine-tungsten lamp of the present invention;
FIG. 4 is a schematic view of the internal structure of the monochromator of the present invention;
in the figure: 1. a computer; 2. a regulated power supply; 3. a data acquisition unit; 4. a monochromator controller; 5. a light source mechanism of a bromine tungsten lamp; 51. a bromine tungsten lamp; 52. a refractor; 6. a filter wheel; 7. a monochromator; 71. a mirror; 72. a rotating mirror; 73. a triangular prism; 8. a sample chamber; 81. a sample placing pedestal; 82. a grating; 9. a photomultiplier detector.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, the present invention provides an embodiment: a spectrometer based on light source radiation detection comprises a computer 1, wherein a stabilized voltage power supply 2, a data acquisition unit 3 and a monochromator controller 4 are arranged on one side of the computer 1, and a tungsten bromide lamp light source mechanism 5 is arranged on one side of the monochromator controller 4;
further comprising:
the filter wheel 6 is arranged at the output end of the bromine tungsten lamp light source mechanism 5, one end of the filter wheel 6 is provided with a monochromator 7, and the output end of the monochromator 7 is provided with a sample chamber 8;
the photomultiplier detector 9 is arranged at the output end of the sample chamber 8, a sample placing pedestal 81 is arranged in the sample chamber 8, and gratings 82 are arranged on two sides of the sample placing pedestal 81;
and a rotating mirror 72 provided inside the monochromator 7, wherein a triangular prism 73 is provided at a front end position of the rotating mirror 72, and two reflecting mirrors 71 are provided at one side of the triangular prism 73.
Referring to fig. 3, a bromine-tungsten lamp 51 is disposed inside the bromine-tungsten lamp light source mechanism 5, a refractor 52 is disposed at one side of the bromine-tungsten lamp 51, a refraction position of the refractor 52 corresponds to a light outlet of the bromine-tungsten lamp light source mechanism 5, and the bromine-tungsten lamp 51 disposed inside the bromine-tungsten lamp light source mechanism 5 plays a role of generating a light source.
Referring to fig. 4, the reflecting mirror 71, the rotating mirror 72 and the prism 73 are movably connected with the inner chamber of the monochromator 7 through a rotating shaft, so as to achieve the purpose of facilitating steering adjustment.
Referring to fig. 1, an output terminal of the computer 1 is electrically connected to an input terminal of the monochromator controller 4, and an output terminal of the monochromator controller 4 is electrically connected to an input terminal of the filter wheel 6.
Referring to fig. 1, the output terminal of the photomultiplier 9 is electrically connected to the input terminal of the data collector 3, and the output terminal of the data collector 3 is electrically connected to the input terminal of the computer 1.
Referring to fig. 1, the output terminal of the regulated power supply 2 is electrically connected to the input terminal of the photomultiplier detector 9.
The working principle is as follows: when the device is used, a sample to be detected is placed on a sample placing pedestal 81 in a sample chamber 8, then a light source is generated through a bromine tungsten lamp 51, the light source is refracted to a filter wheel 6 under the action of a refractor 52, a monochromator controller 4 controls the filter wheel 6 to rotate, so that the light source is subjected to proper filtering processing, then the light source subjected to filtering processing is refracted through a reflector 71, a rotating mirror 72 and a triangular prism 73 and then irradiated onto a sample at the upper end of the sample placing pedestal 81, the reflector 71, the rotating mirror 72 and the triangular prism 73 are movably connected with an inner bin of a monochromator 7 through a rotating shaft, so that the steering adjustment of a mirror surface is facilitated, the position track of the light source radiation is adjusted, finally the light source is radiated onto a photomultiplier detector 9, the photomultiplier detector 9 records change data of the conductivity of the irradiated material caused by the radiation, the change data are collected through a data collector 3 and then are transmitted to a computer 1, the purpose of detecting based on the light source radiation spectrum is achieved, and the spectrometer based on the light source radiation detection is completed.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A spectrometer based on light source radiation detection comprises a computer (1), wherein a stabilized voltage power supply (2), a data acquisition unit (3) and a monochromator controller (4) are arranged on one side of the computer (1), and a bromine tungsten lamp light source mechanism (5) is arranged on one side of the monochromator controller (4);
the method is characterized in that: further comprising:
the filter wheel (6) is arranged at the output end of the bromine tungsten lamp light source mechanism (5), one end of the filter wheel (6) is provided with a monochromator (7), and the output end of the monochromator (7) is provided with a sample chamber (8);
the photomultiplier detector (9) is arranged at the output end of the sample chamber (8), a sample placing pedestal (81) is arranged in the sample chamber (8), and gratings (82) are arranged on two sides of the sample placing pedestal (81);
and a rotating mirror (72) which is arranged inside the monochromator (7), wherein a triangular prism (73) is arranged at the front end position of the rotating mirror (72), and two reflecting mirrors (71) are arranged at one side of the triangular prism (73).
2. A spectrometer based on source radiation detection as claimed in claim 1 wherein: the inside of the bromine tungsten lamp light source mechanism (5) is provided with a bromine tungsten lamp (51), one side of the bromine tungsten lamp (51) is provided with a refractor (52), and the refraction position of the refractor (52) corresponds to the light outlet of the bromine tungsten lamp light source mechanism (5).
3. The spectrometer of claim 1, wherein: and the reflecting mirror (71), the rotating mirror (72) and the triangular prism (73) are movably connected with the inner bin of the monochromator (7) through a rotating shaft.
4. A spectrometer based on source radiation detection as claimed in claim 1 wherein: the output end of the computer (1) is electrically connected with the input end of the monochromator controller (4), and the output end of the monochromator controller (4) is electrically connected with the input end of the filter wheel (6).
5. The spectrometer of claim 1, wherein: the output end of the photomultiplier detector (9) is electrically connected with the input end of the data acquisition unit (3), and the output end of the data acquisition unit (3) is electrically connected with the input end of the computer (1).
6. The spectrometer of claim 1, wherein: the output end of the voltage-stabilized power supply (2) is electrically connected with the input end of the photomultiplier detector (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222687188.4U CN218445119U (en) | 2022-10-12 | 2022-10-12 | Spectrum appearance based on light source radiation detects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222687188.4U CN218445119U (en) | 2022-10-12 | 2022-10-12 | Spectrum appearance based on light source radiation detects |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218445119U true CN218445119U (en) | 2023-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222687188.4U Active CN218445119U (en) | 2022-10-12 | 2022-10-12 | Spectrum appearance based on light source radiation detects |
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| Country | Link |
|---|---|
| CN (1) | CN218445119U (en) |
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2022
- 2022-10-12 CN CN202222687188.4U patent/CN218445119U/en active Active
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