CN204008443U - A kind of ultraviolet spectrometer - Google Patents
A kind of ultraviolet spectrometer Download PDFInfo
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- CN204008443U CN204008443U CN201420361339.XU CN201420361339U CN204008443U CN 204008443 U CN204008443 U CN 204008443U CN 201420361339 U CN201420361339 U CN 201420361339U CN 204008443 U CN204008443 U CN 204008443U
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- ultraviolet spectrometer
- light
- detecting device
- light source
- monochromator
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Abstract
The utility model discloses a kind of ultraviolet spectrometer, comprise: light source, monochromator, absorption chamber, detecting device and display module, described monochromator comprises entrance slit, quasi-optical device, dispersion element, focalizer and exit slit, the light of described light source output enters described monochromator via described entrance slit, described quasi-optical device becomes directional light by incident light, described dispersion element is decomposed into monochromatic light by parallel complex light, described focalizer focuses to described exit slit by monochromatic light and penetrates, after absorbing via described absorption chamber again, arrive described detecting device, described display module is electrically connected described detecting device.By the way, the detection of the utility model ultraviolet spectrometer is sensitive and accurate, anti-interference by force, clear display is convenient, popularizing of ultraviolet spectrometer, has market outlook widely.
Description
Technical field
The utility model relates to mechanical field, particularly relates to a kind of ultraviolet spectrometer.
Background technology
Ultraviolet spectrometer has another name called ultraviolet spectrophotometer, according to synergistic effective means between composition, structure and the material of the Absorption Spectrum Research material of material, mainly for detection of material, collection of illustrative plates contrast, purity check, the molecular structure of supposition compound, the aspects such as the mensuration of HYDROGEN BOND INTENSITY, Analysis of Organic Substances, and existing ultraviolet spectrometer is generally calibrated difficulty, sensitivity is low, precision is lower, be unfavorable for the detection of small accurate material.
Utility model content
The technical matters that the utility model mainly solves is to provide a kind of ultraviolet spectrometer, by adopting tungsten lamp, deuterium lamp or xenon lamp as light source and being collimated monochromatic ligth by light source light splitting, the sensitivity and the accuracy that detect have been improved, and testing result is converted to digital signal shows, clear, popularizing of ultraviolet spectrometer, there are market outlook widely.
For solving the problems of the technologies described above, the utility model provides a kind of ultraviolet spectrometer, comprise: light source, monochromator, absorption chamber, detecting device and display module, described monochromator comprises entrance slit, quasi-optical device, dispersion element, focalizer and exit slit, the light of described light source output enters described monochromator via described entrance slit, described quasi-optical device becomes directional light by incident light, described dispersion element is decomposed into monochromatic light by parallel complex light, described focalizer focuses to described exit slit by monochromatic light and penetrates, after absorbing via described absorption chamber again, arrive described detecting device, described display module is electrically connected described detecting device.
In preferred embodiment of the utility model, described ultraviolet spectrometer comprises shell, and described light source, monochromator, absorption chamber, detecting device are all arranged on the inside of described shell, and described display module is arranged on the surface of described shell.
In preferred embodiment of the utility model, described detecting device comprises silicon photocell, photodiode, photomultiplier and diode array detector, described photomultiplier is electrically connected the output terminal of described photodiode, and described diode array detector is electrically connected the output terminal of described photomultiplier.
In preferred embodiment of the utility model, described light source is tungsten lamp, deuterium lamp or xenon lamp.
In preferred embodiment of the utility model, the spectral range of described light source is 100 ~ 400nm.
In preferred embodiment of the utility model, described quasi-optical device is lens or catoptron.
In preferred embodiment of the utility model, described dispersion element is prism or grating.
In preferred embodiment of the utility model, described focalizer is lens or concave mirror.
In preferred embodiment of the utility model, described display module is LED display.
The beneficial effects of the utility model are: the detection of the utility model ultraviolet spectrometer is sensitive and accurate, anti-interference by force, clear display is convenient, popularizing of ultraviolet spectrometer, have market outlook widely.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also according to these accompanying drawings, obtain other accompanying drawing, wherein:
Fig. 1 is the structural representation of ultraviolet spectrometer one preferred embodiment of the present utility model;
In accompanying drawing, the mark of each parts is as follows: 1, light source, 2, monochromator, 3, absorption chamber, 4, detecting device, 5, display module.
Embodiment
Below the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only a part of embodiment of the present utility model, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making all other embodiment that obtain under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model embodiment comprises:
A ultraviolet spectrometer, comprising: light source 1, monochromator 2, absorption chamber 3, detecting device 4 and display module 5.
Described monochromator 2 comprises entrance slit, quasi-optical device, dispersion element, focalizer and exit slit, the light of described light source 1 output enters described monochromator 2 via described entrance slit, described quasi-optical device becomes directional light by incident light, described dispersion element is decomposed into monochromatic light by parallel complex light, described focalizer focuses to described exit slit by monochromatic light and penetrates, the material of detection to be analyzed is placed in absorption chamber 3, monochromatic light arrives described detecting device 4 after absorbing via described absorption chamber 3, described display module 5 is electrically connected described detecting device 4, detection signal is converted into electric signal to be shown by display module 5, clear.
Preferably, described ultraviolet spectrometer comprises shell, and described light source 1, monochromator 2, absorption chamber 3, detecting device 4 are all arranged on the inside of described shell, and described display module 5 is arranged on the surface of described shell, and protectiveness is strong, isolation work, system stability are reliable.
Preferably, described detecting device 4 comprises silicon photocell, photodiode, photomultiplier and diode array detector, described photomultiplier is electrically connected the output terminal of described photodiode, and described diode array detector is electrically connected the output terminal of described photomultiplier.
Preferably, described light source 1 is tungsten lamp, deuterium lamp or xenon lamp, and spectral range is wide, stability is high, long service life.
Preferably, the spectral range of described light source 1 is 100 ~ 400nm, and the spectral range of tungsten lamp, deuterium lamp or xenon lamp is not limited in the scope with ultraviolet spectrum, but substantially can cover the spectrum that ultraviolet is wide.
Preferably, described quasi-optical device is lens or catoptron.
Preferably, described dispersion element is prism or grating.
Preferably, described focalizer is lens or concave mirror.
Preferably, described display module 5 is LED display.
The beneficial effect of the utility model ultraviolet spectrometer is:
One, by adopting tungsten lamp, deuterium lamp or xenon lamp as light source and being collimated monochromatic ligth by light source light splitting, the sensitivity and the accuracy that detect have been improved;
Two, by adopting LED display as display module, and testing result is converted to digital signal shows, clear;
Three, with respect to general ultraviolet spectrometer, the calibration accuracy of the ultraviolet spectrometer is here high, system stability reliable, long service life.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model description to do; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (9)
1. a ultraviolet spectrometer, it is characterized in that, comprise: light source, monochromator, absorption chamber, detecting device and display module, described monochromator comprises entrance slit, quasi-optical device, dispersion element, focalizer and exit slit, the light of described light source output enters described monochromator via described entrance slit, described quasi-optical device becomes directional light by incident light, described dispersion element is decomposed into monochromatic light by parallel complex light, described focalizer focuses to described exit slit by monochromatic light and penetrates, after absorbing via described absorption chamber again, arrive described detecting device, described display module is electrically connected described detecting device.
2. ultraviolet spectrometer according to claim 1, is characterized in that, described ultraviolet spectrometer comprises shell, and described light source, monochromator, absorption chamber, detecting device are all arranged on the inside of described shell, and described display module is arranged on the surface of described shell.
3. ultraviolet spectrometer according to claim 1, it is characterized in that, described detecting device comprises silicon photocell, photodiode, photomultiplier and diode array detector, described photomultiplier is electrically connected the output terminal of described photodiode, and described diode array detector is electrically connected the output terminal of described photomultiplier.
4. ultraviolet spectrometer according to claim 1, is characterized in that, described light source is tungsten lamp, deuterium lamp or xenon lamp.
5. ultraviolet spectrometer according to claim 1, is characterized in that, the spectral range of described light source is 100 ~ 400nm.
6. ultraviolet spectrometer according to claim 1, is characterized in that, described quasi-optical device is lens or catoptron.
7. ultraviolet spectrometer according to claim 1, is characterized in that, described dispersion element is prism or grating.
8. ultraviolet spectrometer according to claim 1, is characterized in that, described focalizer is lens or concave mirror.
9. ultraviolet spectrometer according to claim 1, is characterized in that, described display module is LED display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420361339.XU CN204008443U (en) | 2014-07-02 | 2014-07-02 | A kind of ultraviolet spectrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420361339.XU CN204008443U (en) | 2014-07-02 | 2014-07-02 | A kind of ultraviolet spectrometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204008443U true CN204008443U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420361339.XU Expired - Fee Related CN204008443U (en) | 2014-07-02 | 2014-07-02 | A kind of ultraviolet spectrometer |
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| CN (1) | CN204008443U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106323972A (en) * | 2016-10-26 | 2017-01-11 | 桂林理工大学 | Judging device for spectrophotometric titration end point |
| CN106323971A (en) * | 2016-10-26 | 2017-01-11 | 桂林理工大学 | Method for judging titration end point by utilizing absorbancy |
-
2014
- 2014-07-02 CN CN201420361339.XU patent/CN204008443U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106323972A (en) * | 2016-10-26 | 2017-01-11 | 桂林理工大学 | Judging device for spectrophotometric titration end point |
| CN106323971A (en) * | 2016-10-26 | 2017-01-11 | 桂林理工大学 | Method for judging titration end point by utilizing absorbancy |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhu Zhirong Inventor after: Cai Jianguo Inventor after: Shi Hongyan Inventor before: Zhu Zhirong Inventor before: Qian Hongming Inventor before: Shi Hongyan |
|
| COR | Change of bibliographic data | ||
| 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: 20141210 Termination date: 20180702 |