CN109916846A - A kind of flux detection integrating sphere dodging device - Google Patents
A kind of flux detection integrating sphere dodging device Download PDFInfo
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- CN109916846A CN109916846A CN201910121028.3A CN201910121028A CN109916846A CN 109916846 A CN109916846 A CN 109916846A CN 201910121028 A CN201910121028 A CN 201910121028A CN 109916846 A CN109916846 A CN 109916846A
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- integrating sphere
- light source
- ontology
- tubular conduit
- light
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Abstract
The invention discloses a kind of flux to detect integrating sphere dodging device, including integrating sphere ontology and bracket, the integrating sphere ontology are fixed on bracket；The integrating sphere ontology is equipped with the even smooth casing and tubular conduit, light source module, signal collection system and sample monitoring system that inclination penetrates integrating sphere ontology, the light source module is symmetricly set on integrating sphere ontology along the even smooth orthogonal vertical line of casing, tubular conduit is arranged in the even smooth casing, the tubular conduit at least one end is equipped with signal collection system, the upper end of the tubular conduit is additionally provided with sample monitoring system, and the signal collection system and sample monitoring system are each attached on integrating sphere ontology.It is an advantage of the current invention that the device can accurately measure rounded solid particulate matter and fluid during exercise, it can uniformly be irradiated on sample during the motion by the diffusing reflection of light, be conducive to the detection to sample near infrared spectrum.
Description
Technical field
The present invention relates to technical field of spectral detection, specially a kind of flux detects integrating sphere dodging device.
Background technique
Visible, infrared and Raman spectrum spectral technique in Optical characteristics method can carry out nondestructive analysis, tool to sample
Have that untouchable test sample, non-destructive, detection sensitivity are high, the time is short, sample aequum is small and sample is without preparation etc.
Feature will not cause chemistry, mechanical, photochemistry and heat decomposition to sample in the analysis process, be analysis science field
One of research hotspot.
The development of near-infrared spectrum technique provides nondestructiving detecting means for the industries such as agricultural, medicine, food.Near infrared light
(NIR) refer to wavelength in 780~2526nm (wave number 12820cm-1~3959cm-1) electromagnetic wave in range, between visible light
(VIS) between mid-infrared light (MIR), Near-infrared Spectral Absorption is that molecular vibrational energy order transition generates (with rotational energy level
Transition), and molecular vibrational energy order transition includes fundamental transition, frequency multiplication transition and sum of fundamental frequencies transition.The near-infrared that light source issues
Illumination is mapped on molecular substance, if vibrational state variation or vibrational state occur for the energy of molecule absorption near infrared light
It is equal to the energy of photon near infrared spectrum wavelength in different transitions between energy level, then can generates Near-infrared Spectral Absorption.
In near infrared spectral range, the frequency multiplication that mainly X-H containing hydrogen functional group (X=C, N, O, S etc.) vibrates in molecule of measurement and
Sum of fundamental frequencies absorbs, and can detect the albumen in agricultural product containing hydrogen group according to the near infrared absorption feature of each hydric group
The ingredients such as matter, fat, moisture, amino acid, starch, sugar, acid.And existing near-infrared spectrum technique can only to static sample into
Row detection, and be, so that light source irradiation is uneven, to cause measuring signal unstable by four area source direct irradiations, it is unfavorable
In the detection of near infrared spectrum.
Summary of the invention
Technical problem to be solved by the present invention lies in: existing near-infrared spectrum technique can only carry out static sample
Detection, and be, so that light source irradiation is uneven, to cause measuring signal unstable by four area source direct irradiations, be unfavorable for
The detection of near infrared spectrum.
In order to solve the above technical problems, the invention provides the following technical scheme:
A kind of flux detection integrating sphere dodging device, including integrating sphere ontology and bracket, the integrating sphere ontology are fixed on
On bracket；The integrating sphere ontology is equipped with the even smooth casing and tubular conduit, light source module, letter that inclination penetrates integrating sphere ontology
Number collection system and sample monitoring system, the light source module are symmetricly set on product along the even smooth orthogonal vertical line of casing
On bulb separation ontology, tubular conduit is arranged in the even smooth casing, the tubular conduit at least one end is equipped with signal collection system,
The upper end of the tubular conduit is additionally provided with sample monitoring system, and the signal collection system and sample monitoring system are each attached to product
On bulb separation ontology.
Preferably, it is additionally provided with integrating sphere liner in the integrating sphere ontology, is uniformly provided with several on the even smooth casing
Light hole.
Preferably, the inner and outer wall of the even smooth casing and integrating sphere liner are coated with one layer of diffusive reflective film.
Preferably, the diffusive reflective film is polytetrafluoroethylene film.
Preferably, the light source module includes light source and light source base, and the light source is fixed on light source base and is arranged in product
Bulb separation body interior, and guarantee light source transmitting light center perpendicular to even smooth casing and tubular conduit, it is described
Light source base is fixed on integrating sphere ontology.
Preferably, the light of the light source transmitting is visible light or near infrared light.
Preferably, the signal collection system includes optical lens, fibre-optical splice and optical fiber, and the optical lens is fixed
In light connector, the optical lens is simultaneously directed at tubulose channel interior, and the end of the fibre-optical splice is connected to optical fiber.
Preferably, the even smooth casing is fixed on integrating sphere ontology by the first fixing piece, the signal collection system
It is fixed on integrating sphere ontology by the second fixing piece, the sample monitoring system is fixed on integrating sphere sheet by third fixing piece
The upper end of body.
Preferably, the lower end of the tubular conduit is additionally provided with extension tube.
Preferably, the tubular conduit is process by the translucent material for corresponding to wave band.
Compared with prior art, the beneficial effects of the present invention are:
It 1, can be to rounded solid particulate matter and fluid during exercise by tilting the setting of even smooth casing and tubular conduit
Accurately measured, have the advantages that high speed, it is lossless, pollution-free, convenient for operation.
2, by the setting of loophole on integrating sphere ontology and even smooth casing, diffusing reflection enables light uniformly to irradiate
On sample during the motion, be conducive to the detection to sample near infrared spectrum, meanwhile, which uses totally-enclosed machine knot
Structure eliminates influence of the external environment to detection.
Detailed description of the invention
Fig. 1 is the sectional view that a kind of flux of the embodiment of the present invention detects integrating sphere dodging device；
Fig. 2 is the structural schematic diagram of the embodiment of the present invention；
Fig. 3 is the even smooth cannula structure schematic diagram of the embodiment of the present invention；
Fig. 4 is the atlas of near infrared spectra of the embodiment of the present invention.
Specific embodiment
For convenient for those skilled in the art understand that technical solution of the present invention, now in conjunction with Figure of description to the technology of the present invention side
Case is described further.
In this application unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected, can also be communication；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements.For the ordinary skill in the art, may be used
To understand the concrete meaning of above-mentioned term in this application as the case may be.
Refering to fig. 1 to Fig. 2, present embodiment discloses a kind of flux to detect integrating sphere dodging device, including integrating sphere ontology 1
With bracket 2, the integrating sphere ontology 1 is fixed on bracket 2；The bracket 2 includes bottom block 201 and bridge 202, the bridge
202 one end is fixed on vertically on the center of bottom block 201, the fixed integrating sphere ontology 1 of the other end, the integrating sphere ontology
1 be equipped with inclination penetrate integrating sphere ontology 1 even smooth casing 3 and tubular conduit 4, light source module 5, signal collection system 6 and
Sample monitoring system 7, the light source module 5 are symmetricly set on integrating sphere ontology along with the orthogonal vertical line of even smooth casing 3
1, tubular conduit 4 is arranged in the even smooth casing 3, the tubular conduit 4 at least one end is equipped with signal collection system 6, this reality
The both ends for applying tubular conduit 4 described in example are equipped with signal collection system 6, and the side of the tubular conduit 4 is additionally provided with sample
Detection system 7, the signal collection system 6 and sample monitoring system 7 are each attached on integrating sphere ontology 1.
It is additionally provided with integrating sphere liner 101 in the integrating sphere ontology 1, one layer is also coated on the integrating sphere liner 101 and is overflow
Reflectance coating (is not marked in figure), is overflow by the diffusive reflective film (being not marked in figure) of integrating sphere liner 101 to the light come in
Reflection guarantees that the light in integrating sphere ontology 1 is uniform.
The even smooth casing 3 is fixed on integrating sphere ontology 1 by the first fixing piece 8, refering to Fig. 3, the even smooth casing 3
On be uniformly provided with several light holes 301, the inner and outer wall of the even smooth casing 301 is coated with one layer of diffusive reflective film (in figure
Do not mark), the uniform light in integrating sphere ontology 1 enters tubular conduit 4 by several light holes 301, guarantees to enter tubulose
Light in channel 4 is uniform；Further, the size and number of light hole 301 is related with even light effect, light hole 301
Quantity is more, the smaller even light effect in hole is better.
The tubular conduit 4 is curved including middle straight line section and superposed upper bending part and under lower part
Bent portions, the part in integrating sphere ontology 1 are middle straight line section, and upper bending part is sample inlet, and lower bending part is
Sample export, middle straight line section are light source irradiation area, while being also detection zone, upper bending part and lower bending part it is curved
Bent contrary, the tubular conduit 4 is process by the translucent material of corresponding wave band, and in the present embodiment, upper bending section is separated
Mouthful upward, lower bending part is opening down, and the angle of upper bending part and straightway is 135 °, lower bending part and straightway
Angle is 135 °, and the tubular conduit 4 is transparent glass.
In the present embodiment, the light source module 5 is four, is uniformly arranged on integrating sphere ontology 1 respectively, and described in guarantee
Perpendicular to even smooth casing 3 and tubular conduit 4, the light source module 5 includes light source for the center for the light that light source module 5 emits
501 and light source base 502, the light source 501 be fixed on light source base 502 and be arranged inside integrating sphere ontology 1, the light source base
502 are fixed on integrating sphere ontology 1, and the light source base 502 is square base, and described 502 one end of light source base is arranged in integrating sphere sheet
The outer surface of body 1, one end are arranged inside integrating sphere liner 101, and described 502 one end of light source base is arranged in integrating sphere liner 101
Internal end thread connects light source 501, and the light that the light source 51 emits is visible light or near infrared light.
The signal collection system 6 includes optical lens 601, fibre-optical splice 602 and optical fiber 603, the optical lens
601 are fixed in light connector 602, the optical lens 601 and the inside for being directed at tubular conduit 4, the fibre-optical splice 602
End is connected to optical fiber 603, and the fibre-optical splice 602 is fixed on the two sides of integrating sphere ontology 1 by the second fixing piece 9, into
One step, two optical fiber 603 finally will couple to a branch of total optical fiber, and spectrum is reached near infrared spectrometer (in figure not
Show) photoelectric conversion is carried out, qualitative and quantitative analysis is carried out to data eventually by near infrared spectrum software.
Further, the diffusive reflective film (being not marked in figure) is polytetrafluoroethylene film.
Further, the sample monitoring system 7 is fixed on the upper end of integrating sphere ontology 1 by third fixing piece 10.
Further, the section of first fixing piece 8 is L-shaped annulus seat, and second fixing piece 9 is by the first L
Shape part (being not marked in figure) and the first connecting plate (being not marked in figure) composition, described first L shape part one end is fixed on the first connection
On plate, the fixed fibre-optical splice 602 in one end, first connecting plate is fixed on the outer surface of integrating sphere ontology 1；The third is fixed
Part 10 is made of the 2nd L shape part (being not marked in figure) and the second connecting plate (being not marked in figure), and described 2nd L shape part one end is fixed
On the second connecting plate, the fixed sample monitoring system 7 in one end, second connecting plate is fixed on 1 outer surface of integrating sphere ontology
Upper end.
Further, the lower end of the tubular conduit 4 is additionally provided with extension tube 11.
Further, integrating sphere dodging device is detected according to a kind of flux, specifically gives detection soybean near infrared spectrum
Embodiment.
Light source base 52 is connected to power supply, so that light source 501 emits visible and near-infrared light source, then passes through integrating sphere liner
The diffusing reflection layer of diffusing reflection layer, light hole 301 and even 3 inside and outside wall of smooth casing in 101 carries out visible and near-infrared light source
Diffusing reflection, so that the light in tubular conduit 4 is uniformly, to be then put into soybean 12 from the suitable for reading of tubular conduit 4, by sample
The detection of product detection system 7 triggers the starting of near infrared spectrometer (not shown) by sample monitoring system 7, when soybean 12 arrives
When up to the middle part of tubular conduit 4, soybean 12 is then diffusely reflected the visible and near-infrared light source irradiation of entrance, generates near infrared light
Spectrum, and be collected by the signal collection system 6 in 4 upper and lower ends portion of tubular conduit, most finally by two optical fiber 603
After will couple to a branch of total optical fiber, spectrum is reached near infrared spectrometer (not shown) and carries out photoelectric conversion, is realized to fortune
The detection of the near infrared spectrum of soybean 12 in dynamic, the spectrum of detection is referring to Fig. 4, eventually by near infrared spectrum software to data
Carry out qualitative and quantitative analysis.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention, and any reference signs in the claims should not be construed as limiting the involved claims.
Embodiment described above only indicates that the embodiment of invention, protection scope of the present invention are not only limited to above-mentioned implementation
Example without departing from the inventive concept of the premise, can also make several deformations and change for those skilled in the art
Into these belong to the scope of the present invention.
Claims (10)
1. a kind of flux detects integrating sphere dodging device, including integrating sphere ontology and bracket, it is characterised in that: the integrating sphere sheet
Body is fixed on bracket；The integrating sphere ontology is equipped with the even smooth casing and tubular conduit, light that inclination penetrates integrating sphere ontology
Source module, signal collection system and sample monitoring system, the light source module is along the even smooth orthogonal vertical line pair of casing
Claim to be arranged on integrating sphere ontology, tubular conduit is arranged in the even smooth casing, the tubular conduit at least one end is equipped with letter
Number collection system, the upper end of the tubular conduit are additionally provided with sample monitoring system, the signal collection system and sample detection system
System is each attached on integrating sphere ontology.
2. a kind of flux according to claim 1 detects integrating sphere dodging device, it is characterised in that: the integrating sphere ontology
It is inside additionally provided with integrating sphere liner, is uniformly provided with several light holes on the even smooth casing.
3. a kind of flux according to claim 2 detects integrating sphere dodging device, it is characterised in that: the even smooth casing
Inner and outer wall and integrating sphere liner are coated with one layer of diffusive reflective film.
4. a kind of flux according to claim 3 detects integrating sphere dodging device, it is characterised in that: the diffusive reflective film is
Polytetrafluoroethylene film.
5. a kind of flux according to claim 1 detects integrating sphere dodging device, it is characterised in that: the light source module packet
Light source and light source base are included, the light source is fixed on light source base and is arranged in integrating sphere body interior, and guarantees the light source hair
The center for the light penetrated is fixed on integrating sphere ontology perpendicular to even smooth casing and tubular conduit, the light source base.
6. a kind of flux according to claim 5 detects integrating sphere dodging device, it is characterised in that: the light source transmitting
Light is visible light or near infrared light.
7. a kind of flux according to claim 1 detects integrating sphere dodging device, it is characterised in that: the signal collection system
System includes optical lens, fibre-optical splice and optical fiber, and the optical lens is fixed in light connector, and the optical lens is simultaneously right
Inside quasi- tubular conduit, the end of the fibre-optical splice is connected to optical fiber.
8. a kind of flux according to claim 1 detects integrating sphere dodging device, it is characterised in that: the even smooth casing is logical
It crosses the first fixing piece to be fixed on integrating sphere ontology, the signal collection system is fixed on integrating sphere ontology by the second fixing piece
On, the sample monitoring system is fixed on the upper end of integrating sphere ontology by third fixing piece.
9. a kind of flux according to claim 1 detects integrating sphere dodging device, it is characterised in that: the tubular conduit
Lower end is additionally provided with extension tube.
10. a kind of flux according to claim 1 detects integrating sphere dodging device, it is characterised in that: the tubular conduit
It is process by the translucent material of corresponding wave band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910121028.3A CN109916846B (en) | 2019-02-19 | 2019-02-19 | Flux detection integrating sphere light uniformizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910121028.3A CN109916846B (en) | 2019-02-19 | 2019-02-19 | Flux detection integrating sphere light uniformizing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109916846A true CN109916846A (en) | 2019-06-21 |
| CN109916846B CN109916846B (en) | 2021-12-24 |
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ID=66961700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910121028.3A Active CN109916846B (en) | 2019-02-19 | 2019-02-19 | Flux detection integrating sphere light uniformizing device |
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| Country | Link |
|---|---|
| CN (1) | CN109916846B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113267467A (en) * | 2021-04-01 | 2021-08-17 | 海谱恩(上海)科技有限公司 | Built-in compact near-infrared on-line detection system of integrating sphere |
| CN114252239A (en) * | 2020-09-25 | 2022-03-29 | 北京振兴计量测试研究所 | Optical axis calibration device for multispectral composite photoelectric detection equipment |
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| CN102187200A (en) * | 2008-04-04 | 2011-09-14 | 高露洁-棕榄公司 | Analysis of substrates having agents deposited thereon |
| CN103499554A (en) * | 2013-10-18 | 2014-01-08 | 中国科学院合肥物质科学研究院 | Tubular near infrared spectrum detector |
| CN205080054U (en) * | 2015-09-28 | 2016-03-09 | 浙江大学 | A adjustable light source device for inside quality visible near -infrared spectral detection of fruit |
| CN106918577A (en) * | 2017-03-02 | 2017-07-04 | 许昌学院 | The detection means and method of a kind of medicine |
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Patent Citations (5)
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| CN2501045Y (en) * | 2001-10-12 | 2002-07-17 | 上海棱光技术有限公司 | Near infrared ray concentration receiver |
| CN102187200A (en) * | 2008-04-04 | 2011-09-14 | 高露洁-棕榄公司 | Analysis of substrates having agents deposited thereon |
| CN103499554A (en) * | 2013-10-18 | 2014-01-08 | 中国科学院合肥物质科学研究院 | Tubular near infrared spectrum detector |
| CN205080054U (en) * | 2015-09-28 | 2016-03-09 | 浙江大学 | A adjustable light source device for inside quality visible near -infrared spectral detection of fruit |
| CN106918577A (en) * | 2017-03-02 | 2017-07-04 | 许昌学院 | The detection means and method of a kind of medicine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114252239A (en) * | 2020-09-25 | 2022-03-29 | 北京振兴计量测试研究所 | Optical axis calibration device for multispectral composite photoelectric detection equipment |
| CN114252239B (en) * | 2020-09-25 | 2024-06-11 | 北京振兴计量测试研究所 | Optical axis calibration device of multispectral composite photoelectric detection equipment |
| CN113267467A (en) * | 2021-04-01 | 2021-08-17 | 海谱恩(上海)科技有限公司 | Built-in compact near-infrared on-line detection system of integrating sphere |
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| CN109916846B (en) | 2021-12-24 |
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