CN204495468U - A kind of spectrograph with ccd sensor - Google Patents
A kind of spectrograph with ccd sensor Download PDFInfo
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- CN204495468U CN204495468U CN201520236831.9U CN201520236831U CN204495468U CN 204495468 U CN204495468 U CN 204495468U CN 201520236831 U CN201520236831 U CN 201520236831U CN 204495468 U CN204495468 U CN 204495468U
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- condenser
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- concave mirror
- dispersion
- optically focused
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Abstract
The utility model relates to a kind of spectrograph with ccd sensor, and it comprises excitation mechanism, optically focused mechanism and dispersion mechanism; Excitation mechanism comprises the first housing, and be provided with two electrodes in the first housing, the other end of two electrodes is connected to power supply respectively by wire; Optically focused mechanism comprises base, base is provided with successively the first condenser, second condenser lens and the 3rd condenser; The shade for limiting incident light luminous flux is provided with between first condenser and second condenser lens; Optically focused mechanism also comprises the 3rd housing for the first condenser, second condenser lens, the 3rd condenser and shade being isolated from the outside; Chromatic dispersion structure comprises the second housing, and the second enclosure interior is provided with level crossing, the first concave mirror, grating and the second concave mirror, the second concave mirror by reflection of monochromatic light to the CCD photoelectric sensor for light signal being converted to electric signal.Element spectral line to be measured can be converted to electronics collection of illustrative plates by the utility model, improves efficiency and the precision of element monitoring analysis.
Description
Technical field
The utility model relates to atomic properties analytical equipment, particularly relates to a kind of spectrograph with ccd sensor.
Background technology
In Atomic Emission Spectral Analysis, after sample excites, the complex light of light source is decomposed into the spectrum line of different wave length through dispersion, and with the device that photographic plate is recorded.Generally be made up of illuminator, Quasi optics, dispersion system and optical projection system.Be divided into prism spectrograph and grating spectrograph two kinds.
In existing grating spectrograph, adopt photographic plate to identify the spectrum finally obtained, and describe by the spectral signal that technician collects photographic plate, portray, finally obtain the spectral line characteristic figure of corresponding element.But this mode work efficiency spectral line error that is low, that describe is larger.
In addition, Quasi optics composition is comparatively simple, is easily subject to extraneous factor interference, finally makes test findings there is systematic error.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of spectrograph that element spectral line to be measured can be converted to the band ccd sensor of electronics collection of illustrative plates.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of spectrograph with ccd sensor, it comprise set gradually from front to back excitation mechanism, optically focused mechanism and dispersion mechanism;
Described excitation mechanism comprises the first housing, is provided with two electrodes in described first housing, is provided with material table between two described electrodes, and two described electrodes are connected to power supply respectively by wire;
Described optically focused mechanism comprises base, described base being provided with from front to back successively and being parallel to each other and the first highly equal condenser, second condenser lens and the 3rd condenser, between described first condenser and second condenser lens, being provided with the shade for limiting incident light luminous flux;
Described optically focused mechanism also comprises the 3rd housing for described first condenser, second condenser lens, the 3rd condenser and shade being isolated from the outside;
Described chromatic dispersion structure comprises the second housing, described second enclosure interior is provided with level crossing, the first concave mirror, grating and the second concave mirror, described level crossing will inject the light reflection of described dispersion mechanism to described first concave mirror, described first concave mirror by described light reflection to the grating for dispersion, described grating is by reflection of monochromatic light to the second concave mirror after dispersion, described second concave mirror is by described reflection of monochromatic light to the CCD photoelectric sensor for light signal being converted to electric signal, and described CCD photoelectric sensor is connected to display by connection.
The opaque material of described 3rd housing is made.
The beneficial effects of the utility model are: three condensers have convergence effect to incident ray, between the first condenser and second condenser lens, shade is set, the logical light quantity entering dispersion mechanism can be reduced, traditional photographic plate is replaced with CCD photoelectric sensor, spectrum after dispersion can be converted to digital signal, these digital signals are input to display can intuitive and accurately analyze, decrease the process of artificial identification of spectrogram simultaneously, substantially increase work efficiency.
In addition, the utility model the 3rd housing that has been described optically focused organization establishes.In actual production process, optically focused mechanism is usually exposed in experimental situation, is easily subject to the interference of external object or light, arranges the 3rd housing herein and can avoid above-mentioned interference, improves the accuracy of spectrograph.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the structural representation in the utility model after shade installation the 3rd housing.
In accompanying drawing, the list of parts representated by each label is as follows:
1, the first housing, 2, wire, 3, electrode, 4, material table, 5, base, the 6, first condenser, 7, second condenser lens, the 8, the 3rd condenser, 9, shade, 10, level crossing, the 11, first concave mirror, 12, holographic high dencity grating, 13, the second concave mirror, 14, CCD photoelectric sensor, 15, display, 16, the second housing, the 17, the 3rd housing.
Embodiment
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As shown in Figure 1, a kind of spectrograph with ccd sensor, it comprise set gradually from front to back excitation mechanism, optically focused mechanism and dispersion mechanism;
Described excitation mechanism comprises the first housing 1, and be provided with in described first housing 1 between two electrodes, 3, two described electrodes 3 and be provided with material table 4, two described electrodes 3 are connected to power supply respectively by wire 2;
Described optically focused mechanism comprises base 5, described base 5 being provided with from front to back successively and being parallel to each other and the first highly equal condenser 6, second condenser lens 7 and the 3rd condenser 8, between described first condenser 6 and second condenser lens 7, being provided with the shade 9 for limiting incident light luminous flux;
Described optically focused mechanism also comprises the 3rd housing 17 for described first condenser 6, second condenser lens 7, the 3rd condenser 8 and shade 9 being isolated from the outside;
Described chromatic dispersion structure comprises the second housing 16, described second housing 16 inside is provided with level crossing 10, first concave mirror 11, grating 12 and the second concave mirror 13, described level crossing 10 will inject the light reflection of described dispersion mechanism to described first concave mirror 11, described first concave mirror 11 by described light reflection to the grating 12 being used for dispersion, described grating 12 is by reflection of monochromatic light to the second concave mirror 13 after dispersion, described second concave mirror 13 by described reflection of monochromatic light to being used for the CCD photoelectric sensor 14 light signal being converted to electric signal, described CCD photoelectric sensor 14 is connected to display 15 by connection.
The opaque material of described 3rd housing 17 is made.
Principle of work of the present utility model: after two electrodes 3 are energized, the material be placed on material table 4 is excited, the light inspired is successively by the first condenser 6, shade 9, second condenser lens 7 and the 3rd condenser 8, light after optically focused effect enters dispersion mechanism, to the light reflection of described dispersion mechanism be injected to described first concave mirror 11 by level crossing 10, first concave mirror 11 by described light reflection to the grating 12 being used for dispersion, described grating 12 is by reflection of monochromatic light to the second concave mirror 13 after dispersion, described second concave mirror 13 by described reflection of monochromatic light to being used for the CCD photoelectric sensor 14 light signal being converted to electric signal, described CCD photoelectric sensor 14 is connected to display 15 by connection, the optical signal feedback that CCD photoelectric sensor 14 receives by display 15 out, feedback system comprises image and data.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (2)
1. the spectrograph with ccd sensor, is characterized in that, it comprise set gradually from front to back excitation mechanism, optically focused mechanism and dispersion mechanism;
Described excitation mechanism comprises the first housing (1), two electrodes (3) are provided with in described first housing (1), be provided with material table (4) between two described electrodes (3), two described electrodes (3) are connected to power supply respectively by wire (2);
Described optically focused mechanism comprises base (5), described base (5) being provided with from front to back successively and being parallel to each other and highly equal the first condenser (6), second condenser lens (7) and the 3rd condenser (8), between described first condenser (6) and second condenser lens (7), being provided with the shade (9) for limiting incident light luminous flux;
Described optically focused mechanism also comprises the 3rd housing (17) for described first condenser (6), second condenser lens (7), the 3rd condenser (8) and shade (9) being isolated from the outside;
Described chromatic dispersion structure comprises the second housing (16), described second housing (16) inside is provided with level crossing (10), first concave mirror (11), grating (12) and the second concave mirror (13), described level crossing (10) will inject the light reflection of described dispersion mechanism to described first concave mirror (11), described first concave mirror (11) by described light reflection to the grating (12) being used for dispersion, described grating (12) is by reflection of monochromatic light to the second concave mirror (13) after dispersion, described second concave mirror (13) by described reflection of monochromatic light to being used for the CCD photoelectric sensor (14) light signal being converted to electric signal, described CCD photoelectric sensor (14) is connected to display (15) by connection.
2. a kind of spectrograph with ccd sensor according to claim 1, it is characterized in that, described 3rd housing (17) is made by opaque material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520236831.9U CN204495468U (en) | 2015-04-17 | 2015-04-17 | A kind of spectrograph with ccd sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520236831.9U CN204495468U (en) | 2015-04-17 | 2015-04-17 | A kind of spectrograph with ccd sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204495468U true CN204495468U (en) | 2015-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520236831.9U Active CN204495468U (en) | 2015-04-17 | 2015-04-17 | A kind of spectrograph with ccd sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104914075A (en) * | 2015-05-22 | 2015-09-16 | 湖北省地质实验测试中心 | CCD sensor-based element detection system and detection method |
-
2015
- 2015-04-17 CN CN201520236831.9U patent/CN204495468U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104914075A (en) * | 2015-05-22 | 2015-09-16 | 湖北省地质实验测试中心 | CCD sensor-based element detection system and detection method |
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| GR01 | Patent grant |