CN214201188U - Single-channel multi-element converging light path structure in atomic fluorescence spectrometer - Google Patents
Single-channel multi-element converging light path structure in atomic fluorescence spectrometer Download PDFInfo
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- CN214201188U CN214201188U CN202022361852.7U CN202022361852U CN214201188U CN 214201188 U CN214201188 U CN 214201188U CN 202022361852 U CN202022361852 U CN 202022361852U CN 214201188 U CN214201188 U CN 214201188U
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Abstract
The utility model discloses a single channel multielement assembles light path structure in atomic fluorescence spectrum appearance belongs to atomic fluorescence spectrum appearance technical field. Comprises an element lamp, a reflector, a focusing reflector and a focusing lens; the focusing reflector is characterized in that a plurality of element lamps are symmetrically arranged on the upper side and the lower side of the focusing reflector, light beams are respectively emitted by the element lamps on the upper side and the lower side of the focusing reflector, the light beams are converged to the focusing reflector after being reflected by the reflector corresponding to the element lamps, the converged light beams are reflected to the focusing lens by the focusing reflector, and the reflected light beams penetrate through the focusing lens and are converged. The multi-element light path emitted by the multiple element lamps is converged on the focusing lens through the reflection mirror, then the light path is focused in the atomizer after passing through the focusing lens, and finally the purpose that the single channel passes through the multi-element light is achieved, and the problem that the optical path of the atomic fluorescence spectrometer is too many to generate light overflow interference can be avoided.
Description
Technical Field
The utility model relates to a single channel multielement assembles light path structure in atomic fluorescence spectrum appearance belongs to atomic fluorescence spectrum appearance technical field.
Background
Spill light interference means that adjacent incident or reflected light is outside the range that it should illuminate.
In an atomic fluorescence spectrometer, an element lamp emits light to excite ground state atoms to generate atomic fluorescence, and an incident light path channel and a detector form an angle of 90 degrees, so that the interference of overflow light of the incident light can be avoided to the maximum extent. The maximum optical channel of the mainstream atomic fluorescence spectrometer is four channels, and the simultaneous detection and analysis of four elements are satisfied at most.
The prior art atomic fluorescence spectrometer generally includes an element lamp, a focusing lens, an atomizer, and a photodetector, and a light beam emitted from the element lamp enters the atomizer through the focusing lens, and then atomic fluorescence emitted from the atomizer is converged into the photodetector.
The limit of the optical path channel of the atomic fluorescence spectrometer is four, the increase of the optical path channel can increase the interference environment light source, and the detection of the fluorescence signal is influenced and the detection and analysis of the fluorescence spectrometer are not facilitated due to the fact that the light path channel is close to the detector angle due to the incident angle exceeding four channels.
Disclosure of Invention
The utility model discloses the technical problem that will solve lies in: the utility model provides a single-channel multi-element convergence optical path structure of an atomic fluorescence spectrometer, which solves the problem of overflow light interference caused by excessive optical path channels of the atomic fluorescence spectrometer in the prior art.
The utility model discloses the technical problem that will solve takes following technical scheme to realize:
a single-channel multi-element converging light path structure of an atomic fluorescence spectrometer comprises an element lamp, a reflector, a focusing reflector and a focusing lens;
the focusing reflector is characterized in that a plurality of element lamps are symmetrically arranged on the upper side and the lower side of the focusing reflector, light beams are respectively emitted by the element lamps on the upper side and the lower side of the focusing reflector, the light beams are converged to the focusing reflector after being reflected by the reflector corresponding to the element lamps, the converged light beams are reflected to the focusing lens by the focusing reflector, and the reflected light beams penetrate through the focusing lens and are converged.
As a preferred example, the focusing reflector is provided with at least two element lamps at each side of the upper side and the lower side.
As a preferred example, the focusing mirror is arc-shaped.
As a preferred example, the reflecting mirrors are respectively provided on upper and lower sides of the focusing lens.
The utility model has the advantages that: the multi-element light path emitted by the multiple element lamps is converged on the focusing lens through the reflection mirror, then the light path is focused in the atomizer after passing through the focusing lens, and finally the purpose that the single channel passes through the multi-element light is achieved, and the problem that the optical path of the atomic fluorescence spectrometer is too many to generate light overflow interference can be avoided.
Drawings
FIG. 1 is a schematic diagram of the structure and light beam transmission of the present invention;
in the figure: 1. an element lamp; 2. a mirror; 3. a focusing mirror; 4. a focusing lens; 5. an atomizer.
Detailed Description
In order to make the technical means, the creation features, the achievement objectives and the functions of the present invention easy to understand, the present invention will be further explained with reference to the following detailed drawings, wherein the dotted line part and the arrow head represent the light beam propagation.
As shown in fig. 1, a single-channel multi-element converging optical path structure of an atomic fluorescence spectrometer comprises an element lamp 1, a reflector 2, a focusing reflector 3 and a focusing lens 4;
the upper and lower bilateral symmetry of focusing reflector 3 is equipped with a plurality of element lamps 1, and the light beam is launched respectively to a plurality of element lamps 1 of focusing reflector 3 upper and lower both sides, and a plurality of light beams converge to after 2 the reflection of reflector that correspond with element lamp 1 focusing reflector 3, the light beam after converging passes through focusing reflector 3 reflects to focusing lens 4, and a plurality of light beams after the reflection see through focusing lens 4 and converge.
Preferably, at least two element lamps 1 are arranged on each side of the upper side and the lower side of the focusing reflector 3.
Preferably, the focusing mirror 3 is arc-shaped.
Preferably, the reflecting mirrors 2 are respectively arranged at the upper and lower sides of the focusing lens 4.
The working principle is as follows:
the light source of the hollow cathode of the element lamp 1 generates exciting light, the light is focused on the focusing reflector 3 through the reflector 2, then the light is reflected through the focusing reflector 3, then the reflected light reflected by the focusing reflector 3 is converged in the focusing lens 4, the focusing lens 4 converges a plurality of light beams into a single channel, the single channel light path finally enters the atomizer 5, then atomic fluorescence emitted by the atomizer 5 is converged in the photoelectric detector. The single-channel light path can reduce interference with an ambient light source, the single channel can pass more than 4 kinds of element light, the current limit of simultaneous and common determination of multiple elements is increased, and the purpose of condensing reflected light rays is achieved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are intended to be included within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. A single-channel multi-element converging light path structure in an atomic fluorescence spectrometer is characterized by comprising an element lamp (1), a reflector (2), a focusing reflector (3) and a focusing lens (4);
the upper and lower bilateral symmetry of focusing mirror (3) is equipped with a plurality of element lamps (1), and the light beam is launched respectively in a plurality of element lamps (1) of focusing mirror (3) upper and lower both sides, a plurality of light beams through with element lamp (1) correspond speculum (2) reflect back assemble extremely focusing mirror (3), the light beam after assembling passes through focusing mirror (3) reflect to focusing lens (4), and a plurality of light beams after the reflection see through focusing lens (4) and assemble.
2. The single-channel multi-element converging light path structure of the atomic fluorescence spectrometer as claimed in claim 1, wherein at least two element lamps (1) are arranged on each side of the upper side and the lower side of the focusing reflector (3).
3. The single-channel multi-element converging optical path structure of the atomic fluorescence spectrometer as claimed in claim 1, wherein the focusing mirror (3) is arc-shaped.
4. The single-channel multi-element converging light path structure of the atomic fluorescence spectrometer as claimed in claim 1, wherein the reflectors (2) are respectively arranged at the upper and lower sides of the focusing lens (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022361852.7U CN214201188U (en) | 2020-10-21 | 2020-10-21 | Single-channel multi-element converging light path structure in atomic fluorescence spectrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022361852.7U CN214201188U (en) | 2020-10-21 | 2020-10-21 | Single-channel multi-element converging light path structure in atomic fluorescence spectrometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214201188U true CN214201188U (en) | 2021-09-14 |
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| CN202022361852.7U Active CN214201188U (en) | 2020-10-21 | 2020-10-21 | Single-channel multi-element converging light path structure in atomic fluorescence spectrometer |
Country Status (1)
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| CN (1) | CN214201188U (en) |
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