CN211978680U - Miniature spectrometer that can multidimension degree adjust - Google Patents
Miniature spectrometer that can multidimension degree adjust Download PDFInfo
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- CN211978680U CN211978680U CN202020275529.5U CN202020275529U CN211978680U CN 211978680 U CN211978680 U CN 211978680U CN 202020275529 U CN202020275529 U CN 202020275529U CN 211978680 U CN211978680 U CN 211978680U
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Abstract
The utility model is suitable for a spectrum appearance technical field provides a but miniature spectrum appearance that multidimension degree was adjusted, including casing, slit subassembly, collimating mirror subassembly, grating subassembly, focusing mirror subassembly and detector subassembly, collimating mirror subassembly includes the collimating mirror, collimating mirror one end fixed mounting collimating mirror base, detector subassembly includes the detector, detector one end fixed mounting lens, detector other end fixed mounting support, the grating subassembly includes plane diffraction grating, face diffraction grating one end fixed mounting grating swivel mount, the focusing mirror subassembly includes the sphere focusing mirror, sphere focusing mirror one end fixed mounting focusing mirror adjusting device, the utility model discloses a grating subassembly and focusing mirror subassembly with adjustable set up are convenient for adjust the spectrum appearance owing to the error that machining precision and assembly produced.
Description
Technical Field
The utility model belongs to the spectrum appearance field especially relates to a but miniature spectrum appearance that multidimension degree was adjusted.
Background
The spectrometer is a scientific instrument for decomposing polychromatic light into a series of monochromatic light, can analyze the characteristics or composition of substances by detecting the characteristic spectral line of an active or passive luminescent substance in a certain wavelength range, and can be widely applied to the fields of food and drug inspection, environmental monitoring, chemical analysis and the like.
The working principle of the existing micro spectrometer is that composite light is incident to the collimating mirror from the slit, the composite light is converted into parallel light by the collimating mirror and then is incident to the grating, the grating decomposes the composite light into monochromatic light, the decomposed monochromatic light is focused by the focusing mirror into tiny light spots and is projected onto a detector, the tiny light spots can be converted into an optical spectrogram which is easy to read through integrated circuit collection and upper computer processing, the actual light path and the theoretical light path have deviation due to processing precision and assembly errors, and the spectrometer is used as a precise scientific instrument, and the deviation of the light path seriously influences the intensity and resolution ratio of the optical signal.
SUMMERY OF THE UTILITY MODEL
The utility model provides a but miniature spectrum appearance that multidimension degree was adjusted aims at solving because machining precision and assembly error lead to actual light path and theoretical light path to have the deviation, and the spectrum appearance is as an accurate scientific instrument, and the deviation of light path will seriously influence its light signal intensity and resolution ratio's problem.
The utility model discloses a realize like this, a but miniature spectrum appearance that multidimension degree was adjusted, including casing, slit subassembly, collimating mirror subassembly, grating subassembly, focusing mirror subassembly and detector subassembly, collimating mirror subassembly includes the collimating mirror, collimating mirror one end fixed mounting collimating mirror base, detector subassembly includes the detector, detector one end fixed mounting lens, detector other end fixed mounting support, the grating subassembly includes plane diffraction grating, plane diffraction grating one end fixed mounting grating swivel mount, the focusing mirror subassembly includes the sphere focusing mirror, sphere focusing mirror one end fixed mounting focusing mirror adjusting device.
Preferably, the slit assembly is fixed on the side wall of the casing, and the collimating mirror assembly and the detector assembly are respectively fixed on the bottom surface of the casing.
Preferably, focusing mirror adjusting device includes the regulating plate, the fixed ann of regulating plate one end changes spherical focusing mirror, the spout is seted up to the one end that spherical focusing mirror was kept away from to the regulating plate, be equipped with the slide rail in the spout, slide rail and regulating plate sliding connection.
Preferably, threaded blind holes are formed in the grating rotating seat and one end of the adjusting plate, threaded through holes corresponding to the threaded blind holes are formed in one end of the shell, fastening bolts are arranged in the threaded through holes and penetrate through the threaded through holes to be meshed with the threaded blind holes.
Preferably, one end of the control panel is provided with a first mounting hole, a jackscrew is rotatably mounted in the first mounting hole, one end of the control panel is provided with a second mounting hole, and a screw is rotatably mounted in the second mounting hole.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a but miniature spectrum appearance that multidimension degree was adjusted through setting up grating subassembly and focusing mirror subassembly, takes place the deviation when light, can adjust grating diffraction angle, makes the spectrum appearance reach the wavelength range and the resolution ratio of settlement, and then adjusts focusing mirror at level and vertical direction for the light signal that the detector was received is strongest, thereby has realized the function of adjusting the spectrum appearance error.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a side view of the present invention;
fig. 3 is a schematic structural diagram of the middle focusing lens adjusting device of the present invention;
FIG. 4 is a schematic structural view of the adjusting plate of the present invention;
in the figure: 1. the device comprises a shell, 2, a focusing mirror adjusting device, 3, a spherical focusing mirror, 4, a slit component, 5, a planar diffraction grating, 6, a grating rotating seat, 7, a lens, 8, a detector, 9, a support, 10, a collimating mirror, 11, a collimating mirror base, 12, a sliding groove, 13, a sliding rail, 14, a jackscrew, 15 and a screw.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a but micro-spectrometer of multidimension degree regulation, including casing 1, slit subassembly 4, collimating mirror subassembly, the grating subassembly, focusing mirror subassembly and detector module, collimating mirror subassembly includes the collimating mirror, collimating mirror 10 one end fixed mounting collimating mirror base 11, detector module includes detector 8, 8 one end fixed mounting lens 7 of detector, 8 other end fixed mounting supports 9 of detector, the grating subassembly includes plane diffraction grating 5, 5 one end fixed mounting grating swivel mount 6 of plane diffraction grating, the focusing mirror subassembly includes spherical focusing mirror 3, 3 one end fixed mounting focusing mirror adjusting device 2 of spherical focusing mirror.
In the embodiment, light enters the collimating mirror assembly from a slit, is converted into parallel light by the collimating mirror assembly and enters the grating assembly, composite light is decomposed into monochromatic light by the planar diffraction grating 5, the decomposed monochromatic light enters the focusing mirror assembly, the micro light spot is focused by the spherical focusing mirror 3 and projected onto the lens 7 to enter the detector 8, the micro light spot is converted into an optical spectrogram which is easy to read by the integrated circuit collection and the upper computer processing, the slit assembly 4, the collimating mirror assembly and the detector assembly are fixedly arranged on the lens assembly, so that the light cannot be scattered when entering, the light can be ensured to directly enter the planar diffraction grating 5, when errors caused by assembly or processing precision occur, the grating rotary seat 6 is rotated, the grating diffraction angle of the planar diffraction grating 5 is adjusted, and the spectrometer can reach the set wavelength range and resolution, then the focusing mirror adjusting device 2 is moved back and forth to adjust the projected light spot to the optimal focal position, then the position of the spherical focusing mirror 3 on the adjusting plate is adjusted through the position of the movable slide rail 13 in the slide groove 12, then the focusing mirror adjusting device 2 is locked by the screw 15, then the adjusting plate is pressed by the jackscrew 14 through adjusting the jackscrew 14 to enable the spherical focusing mirror 3 to face upwards, or the adjusting plate is pressed by the screw 15 through adjusting the screw 15 to enable the spherical focusing mirror 3 to face downwards, the strongest light spot is incident on the lens 7 and then is incident on the detector 8, the horizontal displacement and the pitching angle of the spherical focusing mirror 3 are adjusted, the optical signal received by the detector 8 is strongest, the resolution of the spectrometer is highest, the grating rotary seat 6 and the adjusting plate are fixedly arranged on the shell 1, and the grating rotary seat 6 and the adjusting plate are prevented from shaking and displacing when the light is, the direct light of the light is ensured because the spectrometer is a precise optical device.
Further, the slit assembly 4 is fixed on the side wall of the housing 1, and the collimator lens assembly and the detector assembly are respectively fixed on the bottom surface of the housing 1.
In this embodiment, the slit component 4, the collimating mirror component and the detector component are fixedly mounted on the plane diffraction grating, so that light rays are not scattered when entering the plane diffraction grating, and the light rays can be directly incident on the plane diffraction grating 5.
Further, focusing mirror adjusting device 2 includes the regulating plate, and regulating plate one end fixed ann changes sphere focusing mirror 3, and the spout 12 is seted up to the one end that spherical focusing mirror 3 was kept away from to the regulating plate, is equipped with slide rail 13 in the spout 12, slide rail 13 and regulating plate sliding connection.
In this embodiment, the position of the spherical focusing mirror 3 on the adjusting plate is adjusted by moving the position of the slide rail 13 in the slide groove 12, and then the horizontal displacement and the pitch angle of the spherical focusing mirror 3 are adjusted, so that the optical signal received by the detector 8 is strongest, and the resolution of the spectrometer is highest.
Furthermore, threaded blind holes are formed in the grating rotary seat 6 and one end of the adjusting plate, threaded through holes corresponding to the threaded blind holes are formed in one end of the shell 1, fastening bolts are arranged in the threaded through holes, and the fastening bolts penetrate through the threaded through holes and are meshed with the threaded blind holes.
In this embodiment, through with grating swivel mount 6 and regulating plate fixed mounting on casing 1, avoid grating swivel mount 6 and regulating plate when adjusting light, can not take place shake and displacement, guarantee the direct lighting nature of light.
Furthermore, a first mounting hole is formed in one end of the control panel, a jackscrew 14 is rotatably mounted in the first mounting hole, a second mounting hole is formed in one end of the control panel, and a mounting screw 15 is rotatably mounted in the second mounting hole.
In the present embodiment, the focusing mirror adjusting device 2 is locked by the screw 15, and then the adjusting plate is pressed by the jackscrew 14 to tilt up the spherical focusing mirror 3, or the adjusting screw 15 is pressed by the screw 15 to tilt down the spherical focusing mirror 3, so that the strongest light spot is incident on the lens 7 and then the detector 8, by adjusting the jackscrew 14.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (4)
1. A multi-dimensionally adjustable micro spectrometer comprising a housing (1), a slit assembly (4), a collimator lens assembly, a grating assembly, a focusing lens assembly and a detector assembly, wherein the collimator lens assembly comprises a collimator lens (10), a collimator lens base (11) is fixedly mounted at one end of the collimator lens (10), the detector assembly comprises a detector (8), a lens (7) is fixedly mounted at one end of the detector (8), and a support (9) is fixedly mounted at the other end of the detector (8), the micro spectrometer is characterized in that: the grating component comprises a plane diffraction grating (5), a grating rotary seat (6) is fixedly installed at one end of the plane diffraction grating, the focusing mirror component comprises a spherical focusing mirror (3), and a focusing mirror adjusting device (2) is fixedly installed at one end of the spherical focusing mirror (3).
2. The micro spectrometer of claim 1, wherein: the slit component (4) is fixed on the side wall of the shell (1), and the collimating mirror component and the detector component are respectively fixed on the bottom surface of the shell (1).
3. The micro spectrometer of claim 1, wherein: focusing mirror adjusting device (2) includes the regulating plate, regulating plate one end is fixed ann changes sphere focusing mirror (3), spout (12) are seted up to the one end that sphere focusing mirror (3) were kept away from to the regulating plate, be equipped with slide rail (13) in spout (12), slide rail (13) and regulating plate sliding connection.
4. The micro spectrometer of claim 1, wherein: the grating rotary seat (6) and one end of the adjusting plate are both provided with threaded blind holes, one end of the shell (1) is provided with threaded through holes corresponding to the threaded blind holes, and fastening bolts are arranged in the threaded through holes and penetrate through the threaded through holes to be meshed with the threaded blind holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020275529.5U CN211978680U (en) | 2020-03-09 | 2020-03-09 | Miniature spectrometer that can multidimension degree adjust |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020275529.5U CN211978680U (en) | 2020-03-09 | 2020-03-09 | Miniature spectrometer that can multidimension degree adjust |
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| CN211978680U true CN211978680U (en) | 2020-11-20 |
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| CN202020275529.5U Active CN211978680U (en) | 2020-03-09 | 2020-03-09 | Miniature spectrometer that can multidimension degree adjust |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112903101A (en) * | 2021-01-21 | 2021-06-04 | 北京华科精仪科技有限公司 | Optical fiber spectrometer |
| CN112945941A (en) * | 2021-02-01 | 2021-06-11 | 北京华科精仪科技有限公司 | ICP spectrometer optical system |
-
2020
- 2020-03-09 CN CN202020275529.5U patent/CN211978680U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112903101A (en) * | 2021-01-21 | 2021-06-04 | 北京华科精仪科技有限公司 | Optical fiber spectrometer |
| CN112945941A (en) * | 2021-02-01 | 2021-06-11 | 北京华科精仪科技有限公司 | ICP spectrometer optical system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220418 Address after: Room 901, unit 1, building 1, yard 1, Longyu middle street, Huilongguan town, Changping District, Beijing 100085 Patentee after: MEGAROBO TECHNOLOGIES Co.,Ltd. Address before: Room 516, building 5, Guofeng Meitang complex building, Huilongguan, Changping District, Beijing 100055 Patentee before: Beijing Warner Smart Spectrum Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |