CN113503964B - Multipurpose portable spectrum detection device - Google Patents
Multipurpose portable spectrum detection device Download PDFInfo
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- CN113503964B CN113503964B CN202110941927.5A CN202110941927A CN113503964B CN 113503964 B CN113503964 B CN 113503964B CN 202110941927 A CN202110941927 A CN 202110941927A CN 113503964 B CN113503964 B CN 113503964B
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- 238000001514 detection method Methods 0.000 title claims abstract description 30
- 238000001228 spectrum Methods 0.000 title claims abstract description 17
- 238000000701 chemical imaging Methods 0.000 claims abstract description 5
- 238000009792 diffusion process Methods 0.000 claims description 8
- 238000003384 imaging method Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000003595 spectral effect Effects 0.000 claims 2
- 238000001069 Raman spectroscopy Methods 0.000 abstract description 4
- 238000001237 Raman spectrum Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
- G01J3/0205—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
- G01J3/2823—Imaging spectrometer
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
- G01J3/44—Raman spectrometry; Scattering spectrometry ; Fluorescence spectrometry
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/65—Raman scattering
Abstract
The invention relates to a multipurpose portable spectrum detection device, which comprises a hollow shell cavity, a spectroscope and an image sensor, wherein the spectroscope and the image sensor are fixed in the shell cavity; the spectroscope is provided with a shell, the shell is provided with a light inlet and a light outlet, the light inlet is close to the first port, the light outlet is close to the second port, light to be measured enters the light inlet along the first port, and the light enters the image sensor along the light outlet and the second port after being transmitted through the spectroscope; the shell cavity is provided with a side wall, and the side wall is fixed with the shell through a detachable fixing piece. The first port of the spectrum detection device can be provided with different components according to different requirements of detection, different functions such as a spectrometer, a color illuminometer, hyperspectral imaging, raman detection and the like are realized, and the characteristics of high cost and special purpose of the conventional spectrometer are overcome.
Description
Technical Field
The invention relates to the field of spectrum detection, in particular to a multipurpose portable spectrum detection device.
Background
Most of the existing spectrometers are complex in structure, expensive in price, inconvenient to carry and single in purpose, and the requirements for different detection purposes are difficult to meet when the existing spectrometers are used for detection.
Disclosure of Invention
The invention aims at providing a multipurpose portable spectrum detection device which is provided with a shell cavity and a spectroscope fixed in the shell cavity, wherein the spectroscope is provided with a shell, the shell cavity and the shell of the spectroscope are fixed through a detachable fixing piece, the shell cavity is provided with a first port and a second port, an image sensor is fixed at the second port, different components can be installed at the first port according to different detection requirements, and various functions such as functions of a spectrometer, a color illuminometer, hyperspectral imaging, raman detection and the like are realized. In addition, as the shell cavity and the spectroscope in the spectrum detection device are fixed through the detachable fixing piece, when the shell cavity or the spectroscope is damaged and cannot be used, the shell cavity or the spectroscope can be replaced, and the cost is relatively low. The spectrum detection device generally solves the problems of high cost and special purpose of the existing spectrometer, and is particularly suitable for multipurpose teaching, detection, experiment and other occasions. The invention adopts at least the following technical proposal:
a multipurpose portable spectrum sensing device comprising: the device comprises a hollow shell cavity, a spectroscope and an image sensor, wherein the spectroscope and the image sensor are fixed in the shell cavity, the shell cavity is provided with a first port and a second port, and the image sensor is fixed at the second port;
the spectroscope is provided with a shell, the shell is provided with a light inlet and a light outlet, the light inlet is close to the first port, the light outlet is close to the second port, light to be tested enters the light inlet along the first port, and after being transmitted through the spectroscope, the light enters the image sensor along the light outlet and the second port in sequence;
the shell cavity is provided with a side wall, and the side wall and the shell are fixed through a detachable fixing piece.
Further, a fixing hole is formed in the side wall, a fixing point corresponding to the fixing hole is formed in the shell, and the fixing piece penetrates through the fixing hole and is fixed with the fixing point at the end portion.
Further, the fixing piece is preferably a screw, and the fixing point is preferably a screw hole; the number of the fixing holes is preferably 3, and the number of the fixing points is preferably 3.
Further, a diffusion sheet is clamped at the position, close to the light inlet, of the first port.
Further, the device further comprises a hole arranged on the end face of the first port, and the illuminance sensor is arranged in the hole.
Further, the high-definition lens assembly is provided with a fixed end, and the fixed end is connected with the first port.
Further, the lens assembly is provided with a first convex lens, a plano-concave lens, a double-sided concave lens and a second convex lens in sequence along the direction of light transmission, and the light emitting end of the lens assembly is provided with a slit.
Further, the first port is provided with a group of internal threads, and the fixed end of the lens assembly is provided with a group of external threads matched with the internal threads.
Further, a first screw hole is formed in the end face of the first port, a second screw hole matched with the fixed end of the lens assembly is formed in the fixed end of the lens assembly, and bolts penetrate through the second screw hole to enter the first screw hole to be fixed.
Further, a limiting cavity is arranged in the side wall, the laser is fixed in the limiting cavity, an opening is formed in the end face of the first port, a reflecting mirror is arranged at the opening, and laser beams emitted by the laser are reflected by the reflecting mirror and intersect with the central axis of the light inlet of the spectroscope at one point.
Drawings
FIG. 1 is a schematic view of a housing cavity structure according to an embodiment of the present invention.
Fig. 2 is a schematic view of a housing cavity structure according to an embodiment of the invention.
Fig. 3 is a schematic view of an optical path structure of a high-definition lens assembly according to an embodiment of the invention.
Fig. 4 (a) is a side view of a high definition lens assembly according to an embodiment of the present invention.
Fig. 4 (b) is a side view of a high definition lens assembly according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a testing device with raman testing function according to an embodiment of the present invention.
FIG. 6 is a schematic diagram of the beam splitter optical path structure according to an embodiment of the invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. Based on the embodiments of the present invention, other embodiments that may be obtained by those of ordinary skill in the art without making any inventive effort are within the scope of the present invention.
Spatially relative terms, such as "under", "below", "lower", "above", "upper" and the like, may be used herein to explain the positioning of one element relative to a second element. These terms are intended to encompass different orientations of the device in addition to different orientations than those depicted in the figures.
In addition, the use of terms such as "first," "second," etc. to describe various elements, layers, regions, sections, etc. are not intended to be limiting. The use of "having," "containing," "including," etc. are open ended terms that indicate the presence of stated elements or features, but do not exclude additional elements or features. Unless the context clearly dictates otherwise.
An embodiment of the present invention provides a multipurpose portable spectrum sensing device, as shown in fig. 1, which includes a hollow housing cavity 10, a spectroscope 20 and an image sensor. The housing cavity 10 has a first port 11 and a second port 12, where the image sensor is fixed, and the housing cavity may be cylindrical, for example, cylindrical or quadrangular.
The beam splitter 20 is removably secured within the housing cavity. The spectroscope is provided with a shell, the shell is provided with a light inlet 21 and a light outlet 22, the light inlet 21 is close to the first port 11, the light outlet 22 is close to the second port 12, the light to be measured enters the light inlet 21 along the first port 11, and the light is sequentially emitted into the image sensor along the light outlet 22 and the second port 12 after being transmitted through the spectroscope 20.
In an embodiment, a slit is disposed at the light inlet 21 of the housing, and an eyepiece is disposed at the light outlet 22. Referring to fig. 5, a first lens, a prism group, and a second lens are sequentially disposed in the housing in a direction in which the slit is directed toward the eyepiece. The light to be measured enters along the slit, is focused by the first lens and then is transmitted to the prism group, the prism group is transmitted to the second lens, and the light is transmitted to the second lens and then is emitted to enter the image sensor through the ocular lens.
In another embodiment, a slit is arranged at the light inlet of the shell, and an eyepiece is arranged at the light outlet. In the direction of the slit pointing to the ocular, a lens, a prism and a diffraction grating arranged on the light-emitting surface of the prism are sequentially arranged in the shell. The light to be measured enters along the slit, is focused by the lens, is transmitted to the prism, and is transmitted to the image sensor through the diffraction grating on the light emergent surface of the prism, and then enters the image sensor through the ocular.
The housing cavity 10 is fixed with the casing of the spectroscope 20 by a detachable fixing piece. Under the condition that the spectroscope is damaged or the shell cavity is damaged to influence the use, only the damaged spectroscope or the shell cavity needs to be replaced. Specifically, the housing cavity has a side wall, a fixing hole 13 is provided on the side wall, a fixing point (not shown) corresponding to the fixing hole 13 is provided on the housing of the spectroscope, and when the spectroscope is fixed, the fixing piece penetrates through the fixing hole 13, and the end of the fixing piece is fixed with the fixing point. In a preferred embodiment, the fixing means is preferably a screw and the fixing point is preferably a screw hole of a certain depth. The screw penetrates through the fixing hole 13, and the end of the screw is screwed into the screw hole for fixing. Preferably, the number of the fixing holes is preferably 3, and the angle between the adjacent fixing holes 13 is 120 °.
An end of the image sensor is secured at the second port of the housing. The image sensor is preferably a CCD or CMOS sensor. Preferably, the fixing between the image sensor and the housing is the same as between the housing and the case. Specifically, a fixing hole is formed in the shell, a fixing point corresponding to the fixing hole is formed in the surface of the end portion of the image sensor, and when the image sensor is fixed, the fixing piece penetrates through the fixing hole, and the end portion of the fixing piece is fixed with the fixing point. In a preferred embodiment, the fixing means is preferably a screw and the fixing point is preferably a screw hole of a certain depth. The screw penetrates through the fixing hole, and the end part of the screw is screwed into the screw hole for fixing. For example, the image sensor can be an industrial camera, and a fixing screw hole is formed in the connecting end wall of the industrial camera and is fixed with the side wall of the housing cavity through a screw. The other end of the image sensor is provided with a USB interface which can be connected to the control unit. Preferably, the number of the fixing holes is 3, and the angle between the adjacent fixing holes is 120 degrees.
In a specific embodiment, the detection device provided by the invention can realize the function of a color illuminometer, the detection device uses the housing cavity 10 and the spectroscope 20 with a shell, and an image sensor is fixed at the second port 12 of the housing cavity. Unlike the other embodiments, a cosine diffusion sheet is clamped between the first port 11 of the housing cavity 10 and the light inlet 21 of the beam splitter 20, and the cosine diffusion sheet can be taken out from the first port 11 when not needed. After entering the housing cavity 10 along the first port 11, the light to be measured is transmitted through the cosine diffusion sheet, enters the spectroscope from the light inlet 21, is transmitted through the spectroscope, and exits from the second port 12 to enter the image sensor. In this embodiment, an illuminance sensor is provided at the end face of the first port 11 of the housing cavity 10. Specifically, an aperture 14 is disposed on the end face of the first port 11, and the illuminance sensor is fixed in the aperture 14.
When the detection device is used, light to be detected is transmitted to the diffusion sheet and the illuminance sensor at the same time, and the light to be detected transmitted through the diffusion sheet enters the spectroscope and is received through the image sensor; meanwhile, the light to be detected, which is directly received by the illuminance sensor, is connected to the control unit through Bluetooth, wireless or wired, the control unit recognizes the current illuminance, the current illuminance is fed back to the image sensor control module, the image sensor control module obtains accurate and stable illuminance through algorithm calibration, and chromaticity equivalence is obtained.
In a specific embodiment, the invention provides a detection device which can realize the function of hyperspectral imaging. The detection device uses the housing cavity 10 and the spectroscope 20 with the shell, and an image sensor is fixed at the second port 12 of the housing cavity 10. Unlike the other embodiments, a high definition lens assembly 30 is detachably connected to the first port 11 of the housing cavity 10. The high-definition lens assembly 30 has a housing (not shown), referring to fig. 3, a first convex lens 31, a concave lens 32, a double-sided concave lens 33 and a second convex lens 34 are sequentially disposed in the housing along a direction from a light incident end to a light emergent end, and a slit is disposed at the light emergent end, wherein a focal length of the first convex lens is smaller than a focal length of the second convex lens. The lens assembly reduces aberration and curvature of field.
In a preferred embodiment, the first port 11 of the housing cavity 10 has a set of internal threads, and the outer wall of the light outlet end 35 of the lens assembly housing has a set of external threads for mating with the internal threads, as shown in fig. 4 (b), and the light outlet end is screwed into the first port 11 to secure the lens assembly to the housing cavity 10. In another preferred embodiment, the end face of the first port 11 has screw holes, preferably 3 in number, and the included angle between each two is 120 °. In another preferred scheme, the end face of the first port 11 is provided with a screw hole and an illuminance sensor, the illuminance sensor is arranged in the hole, and the screw hole and the illuminance sensor are distributed on the end face at intervals. Referring to fig. 4 (a), the light-emitting end 35 side of the lens assembly has a connection end surface provided with a screw hole to be fitted with a screw hole 15 (shown in fig. 2) at the first port 11, and a bolt passes through the screw hole of the connection end surface of the lens assembly into the screw hole 15 of the end surface of the first port 11 to fix the lens assembly and the housing cavity. When the hyperspectral imaging function is used, an imaging target is imaged at a slit of a lens assembly through a high-definition lens assembly, a complete image is obtained through scanning the imaging target, light rays passing through the slit are transmitted to an image sensor through a spectroscope to form a spectrogram, and the spectrogram is spliced through a control unit to form a hyperspectral image matrix.
In a specific embodiment, the detection device provided by the invention can be used for detecting the Raman spectrum and realizing the function of a Raman spectrometer. The detection device uses the housing cavity 10 and the spectroscope 20 with a shell, wherein the housing cavity is formed by surrounding a side wall with thickness, and an image sensor is fixed at the second port 20 of the housing cavity 10. Unlike other embodiments, a limiting cavity is disposed in the side wall of the housing cavity near the first port 11, the laser 41 is fixed in the limiting cavity, an opening is disposed on the end surface of the first port near the limiting cavity, the opening exposes the light emitting end of the laser, a reflecting mirror 42 is disposed at the opening, and the laser beam emitted by the laser 41 is reflected by the reflecting mirror 42 and intersects with the central axis of the light inlet of the spectroscope at a point. The sample 50 is placed at this point. When the Raman spectrum analyzer is used, a sample is placed at the point, the laser is started, the laser emits laser beams, the laser beams are transmitted to the reflecting mirror, the reflecting mirror reflects the laser beams to irradiate the surface of the sample, the sample reflects the incident laser beams, reflected light enters the spectroscope along the first port, the reflected light is transmitted to the image sensor, and a Raman spectrum is formed after the control unit collects and processes the laser beams by software.
It can be understood from the above embodiments that the spectroscope is arranged in the housing cavity of the spectrum detection device provided by the invention, the spectroscope is fixed with the housing cavity through the detachable fixing piece, the housing cavity is provided with the first port and the second port, the second port is fixedly provided with the image sensor, and the first port can be realized by selecting different components to be connected according to different detection requirements, so that the characteristics of high cost and special purpose of the existing spectrometer are solved, and the spectrum detection device is particularly suitable for application in multipurpose teaching, detection, experiment and other occasions.
The above examples are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present invention should be made in the equivalent manner, and the embodiments are included in the protection scope of the present invention.
Claims (9)
1. A multipurpose portable spectrum sensing device, comprising: the device comprises a hollow shell cavity, a spectroscope and an image sensor, wherein the spectroscope and the image sensor are detachably fixed in the shell cavity, the shell cavity is provided with a first port and a second port, and the image sensor is fixed at the second port;
the spectroscope is provided with a shell, the shell is provided with a light inlet and a light outlet, the light inlet is close to the first port, the light outlet is close to the second port, light to be tested enters the light inlet along the first port, and after being transmitted through the spectroscope, the light enters the image sensor along the light outlet and the second port in sequence;
a hole for setting an illuminance sensor is arranged on the end face of the first port, a diffusion sheet is detachably clamped at the position, close to the light inlet, of the first port, the shell cavity is provided with a side wall, a first fixing hole is formed in the side wall for fixing the spectroscope, a first fixing point corresponding to the fixing hole is formed in the shell, the first fixing piece penetrates through the first fixing hole, and the end part of the first fixing piece is detachably fixed with the first fixing point; a second fixing hole is formed in the side wall close to the second port, a second fixing point corresponding to the second fixing hole is formed in the surface of the end part of the image sensor, a second fixing piece penetrates through the second fixing hole, the end part of the second fixing piece is detachably fixed with the second fixing point, when the function of the color illuminometer is achieved, light to be measured enters the shell cavity along the first port, then is transmitted through the diffusion sheet, enters the spectroscope from the light inlet, and is transmitted through the spectroscope and then exits from the second port to enter the image sensor;
the high-definition lens module comprises a first port and a second port, wherein a first screw hole for fixing the high-definition lens module is formed in the end face of the first port, or the first port is provided with a group of internal threads for fixing the high-definition lens module, when the hyperspectral imaging function is achieved, the high-definition lens module with a fixed end is fixed to the first port through the first screw hole or the internal threads, a slit is formed in the light-emitting face of the high-definition lens module, an imaging target is imaged at the slit of the lens module through the high-definition lens module, and a complete image is obtained through scanning imaging.
2. The spectroscopic apparatus of claim 1, wherein the first fixing member is a screw, and the first fixing point is a screw hole; the number of the first fixing holes is 3, and the number of the first fixing points is 3.
3. The spectroscopic apparatus of claim 1, wherein the second fixing member is a screw, and the second fixing point is a screw hole; the number of the second fixing holes is 3, and the number of the second fixing points is 3.
4. A spectral detection device according to any of claims 1-3, wherein the number of holes is 3, and wherein the illuminance sensor is arranged in the holes.
5. The spectrum sensing apparatus of claim 4, wherein the high definition lens assembly is sequentially provided with a first convex lens, a plano-concave lens, a biconcave lens, and a second convex lens along a direction of light transmission.
6. The spectral detection device of claim 5, wherein the fixed end of the high-definition lens assembly is provided with a set of external threads for use with the internal threads.
7. The spectrum detection device according to claim 5, wherein the fixed end of the high-definition lens assembly is provided with a second screw hole matched with the first screw hole, and a bolt passes through the second screw hole to enter the first screw hole for fixing.
8. The spectroscopic apparatus as set forth in claim 7 wherein the number of said first screw holes is 3, said first screw holes being alternately arranged with said holes.
9. A spectrum sensing apparatus according to any one of claims 1 to 3, wherein a limiting cavity is provided in the side wall, the laser is fixed in the limiting cavity, an opening is provided at an end face of the first port, a reflecting mirror is provided at the opening, and a laser beam emitted from the laser is reflected by the reflecting mirror and intersects with a central axis of the beam splitter light inlet at a point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110941927.5A CN113503964B (en) | 2021-08-17 | 2021-08-17 | Multipurpose portable spectrum detection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110941927.5A CN113503964B (en) | 2021-08-17 | 2021-08-17 | Multipurpose portable spectrum detection device |
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| CN113503964A CN113503964A (en) | 2021-10-15 |
| CN113503964B true CN113503964B (en) | 2024-03-26 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009047018A1 (en) * | 2007-10-11 | 2009-04-16 | Sony Ericsson Mobile Communications Ab | Videocamera with integrated illumination system for a videophone |
| CN103017902A (en) * | 2012-11-30 | 2013-04-03 | 南京航空航天大学 | Compact spectrum collecting device and collecting method |
| CN107345835A (en) * | 2012-11-13 | 2017-11-14 | Viavi科技有限公司 | Portable spectrometer |
| CN215727622U (en) * | 2021-08-17 | 2022-02-01 | 广州瞬达科技有限公司 | Fixing device suitable for portable spectrum detection device of multipurpose |
| CN215726371U (en) * | 2021-08-17 | 2022-02-01 | 广州瞬达科技有限公司 | Portable mobile phone spectrometer |
-
2021
- 2021-08-17 CN CN202110941927.5A patent/CN113503964B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009047018A1 (en) * | 2007-10-11 | 2009-04-16 | Sony Ericsson Mobile Communications Ab | Videocamera with integrated illumination system for a videophone |
| CN107345835A (en) * | 2012-11-13 | 2017-11-14 | Viavi科技有限公司 | Portable spectrometer |
| CN103017902A (en) * | 2012-11-30 | 2013-04-03 | 南京航空航天大学 | Compact spectrum collecting device and collecting method |
| CN215727622U (en) * | 2021-08-17 | 2022-02-01 | 广州瞬达科技有限公司 | Fixing device suitable for portable spectrum detection device of multipurpose |
| CN215726371U (en) * | 2021-08-17 | 2022-02-01 | 广州瞬达科技有限公司 | Portable mobile phone spectrometer |
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| CN113503964A (en) | 2021-10-15 |
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