CN205449802U - Atomic fluorescence spectrophotometer - Google Patents
Atomic fluorescence spectrophotometer Download PDFInfo
- Publication number
- CN205449802U CN205449802U CN201521141008.6U CN201521141008U CN205449802U CN 205449802 U CN205449802 U CN 205449802U CN 201521141008 U CN201521141008 U CN 201521141008U CN 205449802 U CN205449802 U CN 205449802U
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- optical lens
- light source
- excitation light
- atomizer
- atomic fluorescence
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- 230000003287 optical effect Effects 0.000 claims abstract description 45
- 230000005284 excitation Effects 0.000 claims abstract description 35
- 238000001228 spectrum Methods 0.000 claims abstract description 13
- 239000013307 optical fiber Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract 3
- 230000004064 dysfunction Effects 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002189 fluorescence spectrum Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 108091008695 photoreceptors Proteins 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The utility model discloses an atomic fluorescence spectrophotometer can solve the problem of the excitation light source drift correction dysfunction face that prior art exists. Atomic fluorescence spectrophotometer includes excitation light source, an optical lens, atomizer, optical receiver, a photoelectric detector and the 2nd photoelectric detector, wherein, excitation light source, an optical lens and atomizer place in on the same optical axis, an optical lens lies in between excitation light source and the atomizer, the characteristic spectrum warp of excitation light source transmission an optical lens focuses on atomizer, atomic fluorescence that atomizer produced by the 2nd photoelectric detector receives, the optical receiver is used for receiving the characteristic spectrum of excitation light source transmission, and the transmission is given a photoelectric detector.
Description
Technical Field
The utility model relates to an optical system field, concretely relates to atomic fluorescence spectrophotometer.
Background
The atomic fluorescence spectrum analysis is a method for qualitative and quantitative analysis of substances by utilizing the wavelength and intensity of atomic fluorescence spectral lines, has the advantages of simple equipment, high sensitivity, less spectral interference, wide linear range of a working curve, capability of performing multi-element measurement and the like, and is widely applied to various fields of geology, metallurgy, petroleum, biomedicine, geochemistry, materials, environmental science and the like. In the common excitation light source correction, the photoelectric detector receives the energy of the excitation light source converged on the atomizer through the lens, and the energy of the excitation light source cannot be directly detected, so that the drift correction function of the excitation light source is not comprehensive.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an atomic fluorescence photometer can solve the not comprehensive problem of excitation light source drift correction function that prior art exists.
For this purpose, the utility model provides an atomic fluorescence spectrophotometer, include:
the device comprises an excitation light source, a first optical lens, an atomizer, a light receiver, a first photoelectric detector and a second photoelectric detector; wherein,
the excitation light source, the first optical lens and the atomizer are arranged on the same optical axis, the first optical lens is located between the excitation light source and the atomizer, a characteristic spectrum emitted by the excitation light source is focused to the atomizer through the first optical lens, atomic fluorescence generated by the atomizer is received by the second photoelectric detector, and the light receiver is used for receiving the characteristic spectrum emitted by the excitation light source and transmitting the characteristic spectrum to the first photoelectric detector.
The embodiment of the utility model provides an atomic fluorescence photometer, utilize first photoelectric detector direct detection excitation light source energy to change, carry out real-time supervision to the excitation light source to the realization is to excitation light source drift correction function.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the atomic fluorescence spectrophotometer of the present invention;
wherein, 1 is an excitation light source, 2 is a first optical lens, 3 is an atomizer, 4 is a second optical lens, 5 is a second photoelectric detector, 6 is a first photoelectric detector, 7 is a light receiver, and 8 is a first optical lens base.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, the present embodiment discloses an atomic fluorescence spectrophotometer including:
an excitation light source 1, a first optical lens 2, an atomizer 3, a light receiver 7, a first photodetector 6, and a second photodetector 5; wherein,
the excitation light source 1, the first optical lens 2 and the atomizer 3 are arranged on the same optical axis, the first optical lens 2 is arranged between the excitation light source 1 and the atomizer 3, a characteristic spectrum emitted by the excitation light source 1 is focused to the atomizer 3 through the first optical lens 2, atomic fluorescence generated by the atomizer 3 is received by the second photoelectric detector 5, and the optical receiver 7 is used for receiving the characteristic spectrum emitted by the excitation light source 1 and transmitting the characteristic spectrum to the first photoelectric detector 6.
The drift correcting unit that photoreceptor and first photoelectric detector constitute be applicable to the single track, also can do double track and multichannel device.
The embodiment of the utility model provides an atomic fluorescence photometer, utilize first photoelectric detector direct detection excitation light source energy to change, carry out real-time supervision to the excitation light source to the realization is to excitation light source drift correction function.
Optionally, in another embodiment of the atomic fluorescence spectrophotometer of the present invention, further comprising:
a first optical lens mount; wherein,
the first optical lens base is used for fixing the first optical lens.
Optionally, in another embodiment of the atomic fluorescence spectrophotometer of the present invention, the first optical lens base is further configured to fix the light receiver, and the light receiver is located below the first optical lens.
The embodiment of the utility model provides an in, through arranging light receiver in first optical lens below, can ensure that light receiver can not exert an influence to the light beam that sees through first optical lens.
Alternatively, in another embodiment of the atomic fluorescence photometer of the present invention, the light receiver transmits the characteristic spectrum received by the light receiver to the first photodetector through an optical fiber.
Optionally, in another embodiment of the atomic fluorescence spectrophotometer of the present invention, further comprising:
a second optical lens; wherein,
the first optical lens is arranged between the atomizer and the second photoelectric detector and used for focusing atomic fluorescence generated by the atomizer to the second photoelectric detector.
The utility model has the advantages of as follows: 1. the introduction of the optical receiver realizes the real-time drift correction of the excitation light source, and avoids the loss of detection signals; 2. the light receiver is arranged below the lens, and cannot influence the effective light passing through the lens; 3. the structure of the optical system is simplified, and the drift correction has greater flexibility; 4. the stability of the atomic fluorescence photometer is indirectly improved through the drift correction of the excitation light source.
Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope defined by the appended claims.
Claims (5)
1. An atomic fluorescence spectrophotometer comprising:
the device comprises an excitation light source, a first optical lens, an atomizer, a light receiver, a first photoelectric detector and a second photoelectric detector; wherein,
the excitation light source, the first optical lens and the atomizer are arranged on the same optical axis, the first optical lens is located between the excitation light source and the atomizer, a characteristic spectrum emitted by the excitation light source is focused to the atomizer through the first optical lens, atomic fluorescence generated by the atomizer is received by the second photoelectric detector, and the light receiver is used for receiving the characteristic spectrum emitted by the excitation light source and transmitting the characteristic spectrum to the first photoelectric detector.
2. The atomic fluorescence spectrophotometer of claim 1, further comprising:
a first optical lens mount; wherein,
the first optical lens base is used for fixing the first optical lens.
3. The atomic fluorescence photometer of claim 2, wherein the first optical lens mount is further configured to secure the light receiver, the light receiver being positioned below the first optical lens.
4. The atomic fluorescence photometer of any one of claims 1 to 3, wherein the light receiver transmits the characteristic spectrum it receives to the first photodetector through an optical fiber.
5. The atomic fluorescence spectrophotometer of claim 1, further comprising:
a second optical lens; wherein,
the first optical lens is arranged between the atomizer and the second photoelectric detector and used for focusing atomic fluorescence generated by the atomizer to the second photoelectric detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521141008.6U CN205449802U (en) | 2015-12-31 | 2015-12-31 | Atomic fluorescence spectrophotometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521141008.6U CN205449802U (en) | 2015-12-31 | 2015-12-31 | Atomic fluorescence spectrophotometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205449802U true CN205449802U (en) | 2016-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521141008.6U Active CN205449802U (en) | 2015-12-31 | 2015-12-31 | Atomic fluorescence spectrophotometer |
Country Status (1)
| Country | Link |
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| CN (1) | CN205449802U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105628662A (en) * | 2015-12-31 | 2016-06-01 | 北京博晖创新光电技术股份有限公司 | Atomic fluorescence spectrophotometer |
| CN110455762A (en) * | 2019-08-22 | 2019-11-15 | 吉林大学 | A kind of color dispersion-type AFS and method that can be realized light source drift correction based on DMD |
-
2015
- 2015-12-31 CN CN201521141008.6U patent/CN205449802U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105628662A (en) * | 2015-12-31 | 2016-06-01 | 北京博晖创新光电技术股份有限公司 | Atomic fluorescence spectrophotometer |
| CN110455762A (en) * | 2019-08-22 | 2019-11-15 | 吉林大学 | A kind of color dispersion-type AFS and method that can be realized light source drift correction based on DMD |
| CN110455762B (en) * | 2019-08-22 | 2020-08-07 | 吉林大学 | Method for correcting fluorescence signal by calculating drift of excitation light source |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 102206 9 life Garden Road, Changping District, Beijing Patentee after: BEIJING BOHUI INNOVATION BIOTECHNOLOGY Co.,Ltd. Address before: 102206 9 life Garden Road, Changping District, Beijing Patentee before: BEIJING BOHUI INNOVATION TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 102206 9 life Garden Road, Changping District, Beijing Patentee after: Beijing Bohui innovative biotechnology group Co.,Ltd. Address before: 102206 9 life Garden Road, Changping District, Beijing Patentee before: BEIJING BOHUI INNOVATION BIOTECHNOLOGY Co.,Ltd. |