CN204086130U - Rotation spectrum correction analyzer - Google Patents
Rotation spectrum correction analyzer Download PDFInfo
- Publication number
- CN204086130U CN204086130U CN201420278737.5U CN201420278737U CN204086130U CN 204086130 U CN204086130 U CN 204086130U CN 201420278737 U CN201420278737 U CN 201420278737U CN 204086130 U CN204086130 U CN 204086130U
- Authority
- CN
- China
- Prior art keywords
- light beam
- spectral separation
- separation device
- absorption
- wavelength
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Spectrometry And Color Measurement (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
Rotation spectrum correction analyzer, comprise: light supply apparatus, first spectral separation device, second spectral separation device, light beam refractive power device, light beam wavelength means for correcting, beam absorption calibration equipment, signal supervisory instrument, wherein, the light beam meeting and detect and analyze and require is produced by light supply apparatus, light beam enters into the first spectral separation device and the second spectral separation device respectively, the two-beam of special spectrum wavelength can be obtained by above-mentioned two spectral separation devices, this two-beam collects in light beam refractive power device, by six prisms of the rotation in light beam refractive power device, the particular beam that first spectral separation device and the second spectral separation device produce carries out batch (-type) absorption and shielding, corrected by the spectral wavelength of light beam wavelength means for correcting to above-mentioned light beam, reduce error.
Description
Technical field
The present invention relates to spectrum correction analysis field, particularly relate to rotation spectrum correction analyzer.
Background technology
Spectrum correction analysis is mainly used in emission spectrum and the absorption spectrum of transition formation between analyzing molecules energy level, comprises pure rotation spectrum, vibration-rotation spectrum band and electronic light bands of a spectrum.The pure rotation spectrum of molecule is produced by the transition between molecule rotation energy level, is distributed in far infrared band, usually mainly observes absorption spectrum; Vibration-rotation spectrum band is produced by transition between each rotational energy level in different vibrational energy level, is some intensive spectral lines, is distributed in near-infrared band, usually also mainly observes absorption spectrum; Electronic light bands of a spectrum are produced by the transition between different vibrations in different electronic states and different rotational energy level, can be divided into many bands, are distributed in visible or ultraviolet band, Observable emission spectrum.But owing to owing to there is not electric dipole moment in non-polar molecule, there is no rotation spectrum and vibration-rotation spectrum band, polar molecule is only had just to have this kind of band, therefore, also limitation is there is in existing analytical equipment for the spectral analysis of non-polar molecule, therefore, need to propose rational technical scheme to be solved the problems referred to above.
Summary of the invention
In order to overcome the weak point of existing apparatus, the technical solution used in the present invention is as follows:
Rotation spectrum correction analyzer, comprise: light supply apparatus (1), first spectral separation device (2), second spectral separation device (3), light beam refractive power device (4), light beam wavelength means for correcting (5), beam absorption calibration equipment (7), signal supervisory instrument (8), wherein, the light beam meeting and detect and analyze and require is produced by light supply apparatus (1), light beam enters into the first spectral separation device (2) and the second spectral separation device (3) respectively, the two-beam of special spectrum wavelength can be obtained by above-mentioned two spectral separation devices, this two-beam collects in light beam refractive power device (4), by six prisms of the rotation in light beam refractive power device (4), the particular beam that first spectral separation device (2) and the second spectral separation device (3) produce carries out batch (-type) absorption and shielding, corrected by light beam wavelength means for correcting (5) spectral wavelength to above-mentioned light beam, reduce error, corrected the decay light beam after absorption by beam absorption calibration equipment (7), decay light beam carries out the conversion of photosignal by signal supervisory instrument (8),
Described light supply apparatus (1) adopts hydrogen nickel lamp and quartzy low pressure mercury lamp tandem compound, the first described spectral separation device (2) is containing concave mirror and prism, both are alternately arranged combination, the second described spectral separation device (3) is containing lens and grating, lens are front, grating is rear, described light beam refractive power device (4) is containing rotation six prisms, described light beam wavelength means for correcting (5) is containing molybdenum glass lens and europium glass lens, both are arranged in series alternately, described beam absorption calibration equipment (7) is containing absorption cell, containing photovoltaic converter in described signal supervisory instrument (8).
Light supply apparatus (1) mainly for generation of the light beam meeting testing requirement, the first spectral separation device (2) be mainly used in the screening of light beam wavelength be separated, obtaining target wavelength is L
1particular beam, the second spectral separation device (3) be mainly used in the screening of light beam wavelength be separated, obtaining target wavelength is L
2particular beam;
The particular beam that light beam refractive power device (4) is mainly used in the first spectral separation device (2) and the second spectral separation device (3) produce carries out batch (-type) absorption and shielding, light beam wavelength means for correcting (5) is mainly used in the light beam that light supply apparatus (1) produces and carries out wavelength calibration, eliminate error, sampling device (6) is mainly for detection of the sample introduction analyzing sample, beam absorption calibration equipment (7) corrects light beam by the attenuation degree after sampling device (6) mainly through titer, signal supervisory instrument (8) is mainly used in conversion and the analysis of photosignal after beam attenuation, to spectrum change, there is good sensitivity, linear relationship is good, noise level is low, signal analysis pen recorder (9) is mainly used in maintenance and the record of photosignal.
The beneficial effect that the present invention compared with prior art has is:
(1) have good sensitivity to spectrum change, linear relationship is good, and noise level is low;
(2) batch (-type) absorption and shielding can be carried out to particular beam, analysis accuracy of detection is provided;
(3) to pure rotation spectrum, vibration-rotation spectrum and electronic spectrum, all there is good Detection results and accommodation.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of rotation spectrum correction analyzer
As shown in Figure 1, rotation spectrum correction analyzer of the present invention, mainly comprises:
1--light supply apparatus, 2--first spectral separation device, 3--second spectral separation device,
4--light beam refractive power device, 5--light beam wavelength means for correcting, 6--sampling device,
7--beam absorption calibration equipment, 8--signal supervisory instrument, 9--signal analysis pen recorder;
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Embodiment
The light beam meeting and detect and analyze and require is produced by light supply apparatus (1), light beam enters into the first spectral separation device (2) and the second spectral separation device (3) respectively, the two-beam of special spectrum wavelength can be obtained by above-mentioned two spectral separation devices, this two-beam collects in light beam refractive power device (4), by six prisms of the rotation in light beam refractive power device (4), the particular beam that first spectral separation device (2) and the second spectral separation device (3) produce carries out batch (-type) absorption and shielding, corrected by light beam wavelength means for correcting (5) spectral wavelength to above-mentioned light beam, reduce error, by the sample introduction of sampling device (6) Realization analysis sample, by beam absorption calibration equipment (7), the decay light beam after absorption is corrected, decay light beam carries out the conversion of photosignal by signal supervisory instrument (8), photosignal after conversion enters into signal analysis pen recorder (9) and is preserved and record.
Claims (1)
1. rotation spectrum correction analyzer, comprise: light supply apparatus (1), first spectral separation device (2), second spectral separation device (3), light beam refractive power device (4), light beam wavelength means for correcting (5), beam absorption calibration equipment (7), signal supervisory instrument (8), wherein, the light beam meeting and detect and analyze and require is produced by light supply apparatus (1), light beam enters into the first spectral separation device (2) and the second spectral separation device (3) respectively, the two-beam of special spectrum wavelength can be obtained by above-mentioned two spectral separation devices, this two-beam collects in light beam refractive power device (4), by six prisms of the rotation in light beam refractive power device (4), the particular beam that first spectral separation device (2) and the second spectral separation device (3) produce carries out batch (-type) absorption and shielding, corrected by light beam wavelength means for correcting (5) spectral wavelength to above-mentioned light beam, reduce error, corrected the decay light beam after absorption by beam absorption calibration equipment (7), decay light beam carries out the conversion of photosignal by signal supervisory instrument (8),
It is characterized in that, described light supply apparatus (1) adopts hydrogen nickel lamp and quartzy low pressure mercury lamp tandem compound, the first described spectral separation device (2) is containing concave mirror and prism, both are alternately arranged combination, the second described spectral separation device (3) is containing lens and grating, lens are front, grating is rear, described light beam refractive power device (4) is containing rotation six prisms, described light beam wavelength means for correcting (5) is containing molybdenum glass lens and europium glass lens, both are arranged in series alternately, described beam absorption calibration equipment (7) is containing absorption cell, containing photovoltaic converter in described signal supervisory instrument (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420278737.5U CN204086130U (en) | 2014-05-28 | 2014-05-28 | Rotation spectrum correction analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420278737.5U CN204086130U (en) | 2014-05-28 | 2014-05-28 | Rotation spectrum correction analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204086130U true CN204086130U (en) | 2015-01-07 |
Family
ID=52178831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420278737.5U Expired - Fee Related CN204086130U (en) | 2014-05-28 | 2014-05-28 | Rotation spectrum correction analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204086130U (en) |
-
2014
- 2014-05-28 CN CN201420278737.5U patent/CN204086130U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103017991B (en) | Suction type SF6 gas leakage monitoring method | |
| CN107389597B (en) | High-sensitivity gas detection device and method | |
| CN107748142A (en) | A kind of dual-beam based on miniature beam-splitting optical system becomes light path sample spectra analytical equipment | |
| CN103630523A (en) | Laser induction spectrum generating device used for water quality optical analyzer | |
| CN203101225U (en) | Aerosol absorption coefficient measuring system | |
| CN107356939B (en) | High-low altitude double-receiving ozone differential absorption laser radar device | |
| CN106568715B (en) | A kind of online full spectral water quality analyzer | |
| CN203385656U (en) | Water quality monitoring device based on photoelectric colorimetry | |
| WO2011064806A3 (en) | Method and apparatus for measurements of luminous isotropic radiation as obtained by means of laser spectroscopy techniques, in particular for sub- micrometric particulate measurements | |
| CN101158637A (en) | Sample pool used for on-line proving of monitoring instrument | |
| CN101788691A (en) | Upper atmosphere airglow blast-temperature imager for atomic frequency discrimination | |
| CN204086130U (en) | Rotation spectrum correction analyzer | |
| CN104198385A (en) | Eight-channel device for detecting switchable light source absorption spectrum | |
| CN201725011U (en) | Alternating Current (AC) measuring device of solar battery quantum efficiency | |
| CN102788763A (en) | Difference absorption spectrum atmospheric monitoring system with laser induced breakdown spectrum serving as light source | |
| CN105334166A (en) | Dual-detector near-infrared spectroscopy used for food composition analysis | |
| CN103196782B (en) | Gas pressure intensity based on curve matching and the measuring method of micro-water content | |
| CN110879208A (en) | Take absorbance detection system of self calibration function | |
| CN207007711U (en) | A kind of TDLAS detects SF6The device of humidity in electrical equipment | |
| CN206146837U (en) | A optics and detecting system for multichannel atomic fluorescence spectrophotometer | |
| CN109239008A (en) | A kind of oil-immersed transformer fault detection means based on micro-nano optical fiber evanescent field | |
| CN212134477U (en) | Spectroscopic sheet structure for biochemical analyzer and spectrophotometer | |
| CN203037571U (en) | Atomic absorption spectrophotometer background deduction device | |
| CN102072810B (en) | Integral measuring method for signal-to-noise ratio of optical filter | |
| CN113686814A (en) | Single-light-path concentration demodulation and self-correction laser gas detection method |
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: 20150107 Termination date: 20150528 |
|
| EXPY | Termination of patent right or utility model |