CN107588851B - A kind of folding spectrometer - Google Patents
A kind of folding spectrometer Download PDFInfo
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- CN107588851B CN107588851B CN201610525906.4A CN201610525906A CN107588851B CN 107588851 B CN107588851 B CN 107588851B CN 201610525906 A CN201610525906 A CN 201610525906A CN 107588851 B CN107588851 B CN 107588851B
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Abstract
The invention discloses the spectrometer architectures for the formula that is folded mechanically, and belong to optical instrument field.It includes slit adapter, concave grating, detector, mechanical hull, mechanical hull is overlapped using bilayer or multilayer or the multiple odd test that covers stretches foldable structure, on the basis of sufficiently extending grating spectrograph light path length, portable spectrometer resolution ratio is improved.Compared with prior art, the beneficial effects of the present invention are: present invention employs the similar structures such as Folding umbrella and camera folding rack bar, comprehensively consider its mechanical and two aspect of optics, devise the foldable structure micro spectrometer using Distributions Formed By Concave Gratings.On the one hand, using the optical system of Distributions Formed By Concave Gratings, light channel structure is compact, simple, small in size, the efficiency of light energy utilization is high；On the other hand, and on the basis of the optical path of this single structure, using the mechanical hull of foldable structure, light path of optical spectrometer is folded, reduces spectrometer volume again, realizes further portable and micromation.
Description
Technical field
The invention belongs to technical field of optical instrument, and in particular to a kind of folding spectrometer.
Background technique
Spectrometer is the important device for measuring light source and substance spectra characteristic, is most basic in spectroscopy and spectral technique
Analysis instrument.It is widely used in environmental monitoring, Industry Control, chemical analysis, food quality detection, material analysis, clinical inspection
It tests, the fields such as airborne and spaceborne RS and education of science.But traditional spectrometer architecture is complicated, volume is big, at high cost, uses ring
Border is restricted, it has not been convenient to be carried, and expensive, is not able to satisfy the demand of on-site test and real time monitoring.
Micro spectrometer has system modular and builds the advantages such as flexibility, and internal structure is compact, without moving parts, wave
The features such as long range is wide, measuring speed is fast, price is low provides in the fields such as industry on-line monitoring and portable detection system exploitation
Wide application development space.Therefore micro spectrometer become spread spectrum Instrument Development an important research to.Micro-
When the miniaturized design of type spectrometer, people use a variety of methods and thinking.It is miniature from its production method and technique
Change and is mainly realized from mechanical structure or optical texture and optics optical device Miniaturization Design.The prior art mainly passes through
Reduce light path of optical spectrometer size, and then reduces its mechanical structure.But still it can not be completely fully up to expectations.
Summary of the invention
The technical problem to be solved by the present invention is overcoming the deficiencies of the prior art and provide a kind of small in size, high reliablity
Folding spectrometer.
The technical solution adopted by the present invention to solve the technical problems is: a kind of folding spectrometer, including a slit
Adapter, a concave grating, a detector, a mechanical hull, it is characterised in that: the slit adapter is arranged in the machinery
The one side wall of shell, for carrying out limitation adjusting to the light source of input；The another of the mechanical hull is arranged in the concave grating
In one side wall, the optical path of the slit adapter, for carrying out light splitting focusing to the light beam injected by the slit adapter；Institute
It states detector to be arranged in on the same side wall of mechanical hull locating for the slit adapter, be used for the concave grating point
The light that light focuses carries out photoelectric conversion, output spectrum curve；The mechanical hull is folded along in-between line bilateral symmetry, is being rolled over
Folded place's setting is folded mechanically connector, convenient for folding；Opposite position on the mechanical hull after folding, it is fixed to be respectively set
Position hole and with the close-fitting precision positioning pin of the location hole.
A kind of folding spectrometer, including a slit adapter, a concave grating, a detector, a mechanical hull,
It is characterized in that: the slit adapter, for carrying out limitation adjusting to the light source of input；The concave grating, for by institute
The light beam for stating the injection of slit adapter carries out light splitting focusing；The detector, the light for being focused to concave grating light splitting
Carry out photoelectric conversion, output spectrum curve；The mechanical hull uses twin shaft connection structure: the mechanical hull is uniformly folded
For the first housing parts, the second housing parts, third housing parts ..., N housing parts, first housing parts, the second housing parts,
A positioning column is respectively provided on third housing parts ..., N housing parts, bottom is respectively provided with a mechanical twin shaft；The machinery twin shaft
Connect first housing parts, the second housing parts, third housing parts ..., N housing parts；The spectrograph slit, the spy
It surveys device to be arranged on first housing parts, the concave grating is arranged on N housing parts.
A kind of folding spectrometer, including a slit adapter, a concave grating, a detector, a mechanical hull,
It is characterized in that: the slit adapter, for carrying out limitation adjusting to the light source of input；The concave grating, for by institute
The light beam for stating the injection of slit adapter carries out light splitting focusing；The detector, the light for being focused to concave grating light splitting
Carry out photoelectric conversion, output spectrum curve；The mechanical hull is divided into first housing parts, second point of shell from left to right
What body, third housing parts ..., N housing parts formed can successively cover pumping shell structure, cover in setting one between each housing parts
Axis, an axis of trapping are attached；The spectrograph slit, the detector are arranged in leftmost first housing parts, described
Concave grating is arranged in the N housing parts of rightmost.
Preferably, the detector is CCD, CMOS or PD detector.
Compared with prior art, the beneficial effects of the present invention are: the more previous spectrometer of the present invention realizes micromation, mainly
Micromation is realized by light path foldings such as C-T, the present invention keeps away previous and uses and carry out foldover design to spectrometer mechanical hull,
And then the light path of optical spectrometer of assembly is folded, realize portable and micromation.This spectrometer architecture being folded mechanically, in certain journey
Its resolution ratio can be improved by increasing spectrometer optics overall length on degree, and it can be folded by folding type mechanical shell,
It realizes the micromation and reduction to spectrometer overall dimensions, had not only improved the spectral resolution of spectrometer but also reduced volume.
Concave Grating Spectrometer optical path is carried out foldable integral compression by collapsible spectrometer shell, efficiently reduces concave surface
The optics overall length and spectrometer volume of grating spectrograph.Wherein, it is folded mechanically formula structure, it is folded using single layer, bilayer or multilayer
The folding type mechanical structure added；Or set odd test mechanical structure folds light path of optical spectrometer.Stacked structure is using accurate pin
Machinery positioning is followed closely, odd test such as antenna is covered, is suitable for field high-acruracy survey.Present invention employs Folding umbrellas and camera to fold
The similar structures such as cradling piece comprehensively consider its mechanical and two aspect of optics, devise the foldable structure using Distributions Formed By Concave Gratings
Micro spectrometer.On the one hand, using the optical system of Distributions Formed By Concave Gratings, light channel structure is compact, simple, small in size, luminous energy is sharp
With rate height；On the other hand, and on the basis of the optical path of this single structure, using the mechanical hull of foldable structure, to spectrometer
Optical path is folded, and reduces spectrometer volume again, realizes further portable and micromation.
Detailed description of the invention
Fig. 1 is the deployed configuration schematic diagram of the embodiment of the present invention one；
Fig. 2 is the foldable structure schematic diagram of the embodiment of the present invention one；
Fig. 3 is the foldable structure schematic diagram of the embodiment of the present invention two；
Fig. 4 is the deployed configuration schematic diagram of the embodiment of the present invention two；
Fig. 5 is the structural schematic diagram of the embodiment of the present invention three；
Fig. 6 is the left view structural representation of Fig. 5.
In the figure, it is marked as
1, slit adapter；2, concave grating；3, detector；4, mechanical hull；5, it is folded mechanically connector；61, it positions
Hole；62, precision positioning pin；7, positioning column；8, mechanical twin shaft；91, upper set axis；92, it traps axis.
Specific embodiment
Embodiment with reference to the accompanying drawing is described further the present invention:
Embodiment one
As shown in Figure 1, 2, a kind of folding spectrometer, including slit adapter 1, concave grating 2, detector 3, machinery
Shell 4, slit adapter 1 are arranged in the one side wall of mechanical hull 4, for carrying out limitation adjusting to the light source of input；Concave surface
Grating 2 is arranged in the optical path of another side wall of mechanical hull 4, slit adapter 1, for being injected by slit adapter 1
Light beam carries out light splitting focusing；Detector 3 be arranged in on the same side wall of mechanical hull 4 locating for slit adapter 1, for pair
The light that the light splitting of concave grating 2 focuses carries out photoelectric conversion, output spectrum curve；
Mechanical hull 4 is folded along in-between line bilateral symmetry, setting is folded mechanically connector 5 at folding, is convenient for machine
Tool shell 4 opens and closes；Location hole 61 and close with location hole 61 is respectively set in opposite position on mechanical hull 4 after folding
The precision positioning pin 62 of cooperation.Detector 3 is CCD, CMOS or PD detector.
Its working principle is that: mechanical hull 4 be it is collapsible, for assemble slit adapter 1, concave grating 2 and detection
Device 3, and the optical path and concave grating 2 being incident on concave grating 2 to slit adapter 1 are incident on the optical path on detector 3
It is folded；Into the light beam of the certain numerical value of slit adapter 1, it is mapped on holographic concave grating 2；Pass through holographic concave grating
2 scatterings focus, and focus on pick-up probe 3.When collapsible spectrometer of the invention is adjusted, it will first fold shell and open, it will
Slit adapter 1, concave grating 2, pick-up probe 3 are mounted on the fixation position of each element such as Fig. 1, then pass through fine tuning
Slit adapter 1, concave grating 2, pick-up probe 3, obtain required spectrogram, by being unfolded in spectrum adjustment process
Spectrum box mechanical hull 4 on plus removable cover block stray light.The good expansion light path of optical spectrometer of assembling and setting, then pass through spectrum
It is folded mechanically connector 5 on instrument mechanical hull 4, realizes the symmetrical fold of expansion mechanical hull 4；Due on mechanical hull 4
Being folded mechanically connector 5, there is a certain error, and therefore, the present invention further plays positioning in doubling mechanical hull 4 on one side
Precision positioning pin 62 is installed in hole 61, another side, folds the essence for realizing light path of optical spectrometer when using by precision positioning pin 62
Degree positioning, to realize being folded mechanically for light path of optical spectrometer.
Embodiment two
As shown in Figure 3,4, a kind of folding spectrometer, including slit adapter 1, concave grating 2, detector 3, machinery
Shell 4, slit adapter 1 is for carrying out limitation adjusting to the light source of input；Concave grating 2 to by slit adapter 1 for penetrating
The light beam entered carries out light splitting focusing；Detector 3 is used to carry out photoelectric conversion, output spectrum to the light that the light splitting of concave grating 2 focuses
Curve；
Mechanical hull 4 uses twin shaft connection structure: mechanical hull 4 is uniformly folded into 41, second points of shells of the first housing parts
Body, third housing parts ..., N housing parts, in the first housing parts, the second housing parts, third housing parts ..., N housing parts
A positioning column 7 is respectively provided on 4N, bottom is respectively provided with a mechanical twin shaft 8；Mechanical twin shaft 8 by the first housing parts, the second housing parts,
Third housing parts ..., N housing parts connect into folding entirety；The slit adapter 1 of spectrometer, the setting of detector 3 exist
On first housing parts 41, concave grating 2 is arranged on N housing parts 4N.Detector 3 is CCD, CMOS or PD detector.
Its working principle is that: use above-mentioned twin shaft connection structure, realize multilayer folding, such structure mainly by
The bottom of the mechanical hull 4 of spectrometer is installed mechanical twin shaft 8 and is attached, and positioning column is arranged on the housing parts of each expansion
7, slit adapter 1, the received detector 3 of spectrometer are arranged on the first housing parts 41 of multilayer folding structure, concave surface light
Grid 2 are arranged on the last one housing parts 4N of multilayered structure, and optical path light, which folds, mainly to be realized by intermediate multilayer folding.
This twin shaft connection ensure that the folding of spectrum box thickness to a certain extent, can further decrease spectrum box thickness.
Embodiment three
As shown in Figure 5,6, a kind of folding spectrometer, including slit adapter 1, concave grating 2, detector 3, machinery
Shell 4, slit adapter 1 is for carrying out limitation adjusting to the light source of input；Concave grating 2 to by slit adapter 1 for penetrating
The light beam entered carries out light splitting focusing；Detector 3 is used to carry out photoelectric conversion, output spectrum to the light that the light splitting of concave grating 2 focuses
Curve；Mechanical hull is divided into the first housing parts, the second housing parts, third housing parts ..., N housing parts composition from left to right
Can successively cover pumping shell structure, be attached using upper set axis 91, axis 92 of trapping；Spectrograph slit 1, the setting of detector 3 exist
In leftmost first housing parts, concave grating 2 is arranged in the N housing parts of rightmost.Detector 3 is CCD, CMOS or PD
Detector.
Its working principle is that: can cover take out mechanical hull 4 the not high plastics of cost can be used, can cover pumping upper set axis 91, under
Such as radio antenna in the past of axis 92 is covered, mechanical hull 4 can be flat, rectangular etc. when actual fabrication.Spectrograph slit 1, detector 3
It is arranged in leftmost first housing parts, concave grating 2 is arranged in the N housing parts of rightmost, by as radio day
Set as line takes out the folding in structure intussusception realization shape, and the spectrum box of such a normal oscillograph size can be by this hair
The shape that bright set pumping structure is drawn into one two meters is long, meaningful to field high-acruracy survey.
More than, it is only presently preferred embodiments of the present invention, is not that the invention has other forms of limitations, it is any ripe
Know the equivalent reality that professional and technical personnel was changed or be modified as equivalent variations possibly also with the technology contents of the disclosure above
Apply example.But without departing from the technical solutions of the present invention, to the above embodiments according to the technical essence of the invention
Any simple modification, equivalent variations and remodeling, still fall within the protection scope of technical solution of the present invention.
Claims (4)
1. a kind of folding spectrometer, including a slit adapter, a concave grating, a detector, a mechanical hull, special
Sign is: the mechanical hull includes opposite two sidewalls and folding structure, and the folding structure connects the two sidewalls,
To pull open or stack the two sidewalls；The one side wall of the mechanical hull is arranged in the slit adapter, for input
Light source carries out limitation adjusting；The light of another side wall of the mechanical hull, the slit adapter is arranged in the concave grating
On the road, for carrying out light splitting focusing to the light beam injected by the slit adapter；Detector setting with the slit
On the same side wall of mechanical hull locating for adapter, the light for focusing to concave grating light splitting carries out photoelectric conversion,
Output spectrum curve；
The folding structure folds the mechanical hull along in-between line bilateral symmetry, and the company of being folded mechanically is arranged at folding
Device is connect, convenient for folding；Opposite position on the mechanical hull after folding, be respectively set location hole and with the location hole
Close-fitting precision positioning pin.
2. a kind of folding spectrometer, including a slit adapter, a concave grating, a detector, a mechanical hull, special
Sign is: the mechanical hull includes opposite two sidewalls and folding structure, and the folding structure connects the two sidewalls,
To pull open or stack the two sidewalls；The slit adapter, for carrying out limitation adjusting to the light source of input；The concave surface light
Grid, for carrying out light splitting focusing to the light beam injected by the slit adapter；The detector, for the concave grating
The light that light splitting focuses carries out photoelectric conversion, output spectrum curve；
The folding structure includes several mechanical twin shaft connection structures: the mechanical hull is uniformly folded into first point of shell
Body, the second housing parts, third housing parts ..., N housing parts divide shell in first housing parts, the second housing parts, third
A positioning column is respectively provided on body ..., N housing parts, bottom is respectively provided with a mechanical twin shaft；Described in the machinery twin shaft connection
First housing parts, the second housing parts, third housing parts ..., N housing parts；
The spectrograph slit, the detector are arranged on first housing parts, and the concave grating, which is arranged, divides shell in N
On body.
3. a kind of folding spectrometer, including a slit adapter, a concave grating, a detector, a mechanical hull, special
Sign is: the mechanical hull includes opposite two sidewalls and folding structure, and the folding structure connects the two sidewalls,
To pull open or stack the two sidewalls；The slit adapter, for carrying out limitation adjusting to the light source of input；The concave surface light
Grid, for carrying out light splitting focusing to the light beam injected by the slit adapter；The detector, for the concave grating
The light that light splitting focuses carries out photoelectric conversion, output spectrum curve；
The mechanical hull is divided into the first housing parts, the second housing parts, third from left to right and divides shell by the folding structure
Body ..., N housing parts；First housing parts, the second housing parts, third housing parts ..., N housing parts composition successively may be used
Set takes out shell structure, covers axis between each housing parts in setting one, an axis of trapping is attached；
The spectrograph slit, the detector are arranged in leftmost first housing parts, and the concave grating is arranged most
In the N housing parts on the right.
4. folding spectrometer according to any one of claims 1 to 3, it is characterised in that: the detector be CCD,
CMOS or PD detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610525906.4A CN107588851B (en) | 2016-07-06 | 2016-07-06 | A kind of folding spectrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610525906.4A CN107588851B (en) | 2016-07-06 | 2016-07-06 | A kind of folding spectrometer |
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| Publication Number | Publication Date |
|---|---|
| CN107588851A CN107588851A (en) | 2018-01-16 |
| CN107588851B true CN107588851B (en) | 2019-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610525906.4A Active CN107588851B (en) | 2016-07-06 | 2016-07-06 | A kind of folding spectrometer |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113899451B (en) * | 2021-09-30 | 2024-01-30 | 深圳迈塔兰斯科技有限公司 | Spectrometer and super-surface light-splitting device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0704691A2 (en) * | 1994-09-29 | 1996-04-03 | MICROPARTS GESELLSCHAFT FÜR MIKROSTRUKTURTECHNIK mbH | Infrared spectrometric gas sensor |
| CN1808099A (en) * | 2005-12-21 | 2006-07-26 | 沈阳东软医疗系统有限公司 | Optical system of spectrophotometer of full-automatic biochemical analyzer |
| CN201885802U (en) * | 2010-10-15 | 2011-06-29 | 上海佑科仪器仪表有限公司 | Visible light spectrophotometer monochromator |
| CN103983354A (en) * | 2014-04-30 | 2014-08-13 | 中国科学院长春光学精密机械与物理研究所 | Double-beam splitting system |
-
2016
- 2016-07-06 CN CN201610525906.4A patent/CN107588851B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0704691A2 (en) * | 1994-09-29 | 1996-04-03 | MICROPARTS GESELLSCHAFT FÜR MIKROSTRUKTURTECHNIK mbH | Infrared spectrometric gas sensor |
| CN1808099A (en) * | 2005-12-21 | 2006-07-26 | 沈阳东软医疗系统有限公司 | Optical system of spectrophotometer of full-automatic biochemical analyzer |
| CN201885802U (en) * | 2010-10-15 | 2011-06-29 | 上海佑科仪器仪表有限公司 | Visible light spectrophotometer monochromator |
| CN103983354A (en) * | 2014-04-30 | 2014-08-13 | 中国科学院长春光学精密机械与物理研究所 | Double-beam splitting system |
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