CN106770346B - One kind being based on near-infrared diffusing transmission solids on-line detecting system - Google Patents

One kind being based on near-infrared diffusing transmission solids on-line detecting system Download PDF

Info

Publication number
CN106770346B
CN106770346B CN201611077617.9A CN201611077617A CN106770346B CN 106770346 B CN106770346 B CN 106770346B CN 201611077617 A CN201611077617 A CN 201611077617A CN 106770346 B CN106770346 B CN 106770346B
Authority
CN
China
Prior art keywords
correction
sample
infrared
tooth
conveyer belt
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201611077617.9A
Other languages
Chinese (zh)
Other versions
CN106770346A (en
Inventor
王�琦
吴跃进
刘晶
范爽
林晏清
刘斌美
余立祥
倪晓宇
周子军
杨阳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hefei Institutes of Physical Science of CAS
Original Assignee
Hefei Institutes of Physical Science of CAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hefei Institutes of Physical Science of CAS filed Critical Hefei Institutes of Physical Science of CAS
Priority to CN201611077617.9A priority Critical patent/CN106770346B/en
Publication of CN106770346A publication Critical patent/CN106770346A/en
Application granted granted Critical
Publication of CN106770346B publication Critical patent/CN106770346B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/89Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
    • G01N21/892Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the flaw, defect or object feature examined

Abstract

The present invention provides a kind of based on near-infrared diffusing transmission solids on-line detecting system, comprising: sample conveyance system, light-source system and near infrared detection system.Sample conveyance system includes two conveyer belts and a set of rotation axis, two conveyer belts share same set of rotation axis, there is certain gap between two conveyer belts, sample is transmitted by two conveyer belts, light-source system and near infrared detection system are located at the two sides of Transmission system, and the near infrared light that light-source system issues generates the near infrared spectrum for corresponding to sample by the gap irradiating sample between two conveyer belts, near infrared spectrum is detected examining system detection and analysis, finally obtains the content of each ingredient in counter sample.The present invention has the advantages that realizing lossless audio coding of the sample in transmission process.

Description

One kind being based on near-infrared diffusing transmission solids on-line detecting system
Technical field
The present invention relates to near-infrared diffusing transmission on-line checking fields, specifically using near-infrared diffusing transmission technology to sample Product carry out on-line checking.
Background technique
Near infrared spectrum and Raman spectroscopy in Optical characteristics method can carry out nondestructive analysis to sample, have and survey Test agent is untouchable, non-destructive, detection sensitivity is high, the time is short, sample aequum is small and sample is not necessarily to the features such as preparing, Chemistry, mechanical, photochemistry and heat decomposition will not be caused to sample in the analysis process, is the research in analysis science field One of hot spot.Near-infrared spectrum technique makes great progress in the industries such as agricultural, medicine, food in recent years, both at home and abroad There is nearly research of the infrared reflectance spectroscopy technology applied to fields such as agricultural, chemical industry.Near infrared light (NIR) refers to that wavelength exists 780~2526nm (wave number 12820cm-1~3959cm-1) electromagnetic wave in range, between visible light (VIS) and mid-infrared light (MIR) between, Near-infrared Spectral Absorption is that molecular vibrational energy order transition generates (with the transition of rotational energy level), and molecule shakes Kinetic energy order transition includes fundamental transition, frequency multiplication transition and sum of fundamental frequencies transition.The near infrared light that light source issues is to by molecular group At substance on, if vibrational state variation or jump of the vibrational state between different energy levels occur for the energy of molecule absorption near infrared light The energy for being equal to photon near infrared spectrum wavelength is moved, then can generate Near-infrared Spectral Absorption.In near infrared spectral range Interior, the frequency multiplication of X-H containing hydrogen functional group (X=C, N, O, S etc.) vibration and sum of fundamental frequencies absorb in the mainly molecule of measurement.The technology Have many advantages, such as easily and fast, efficiently, accurately, cost is relatively low, does not destroy sample, does not consume chemical reagent, is free from environmental pollution, Compared with common detection methods, it is more suitable for on-line checking.
Since near-infrared diffusing transmission technical requirements light-source system and detection system are to be located at sample two sides, so generally On-line checking and analysis are seldom carried out to solid sample using near-infrared diffusing transmission technology.
Summary of the invention
The present invention provides one kind and can be realized carries out solid sample using near-infrared diffusing transmission technology on a moving belt Line measuring system can not only be realized and be corrected the position of sample, but also can be realized sample and carry out in transmission belt Detection.The system is suitable for carrying out solid granulates sample online near-infrared diffusing transmission measuring.
The present invention is to be achieved through the following technical solutions above-mentioned technical purpose: one kind being based on near-infrared diffusing transmission solids On-line detecting system, comprising: sample conveyance system, light-source system and near infrared detection system;
Sample conveyance system includes: interior conveyer belt (12), outer conveyor (12 '), the first rotation axis (13) and second turn Moving axis (13 '), interior conveyer belt (12) and outer conveyor (12 ') cover be located at and first rotation axis (13) at internal both ends and In second rotation axis (13 '), there is certain gap between interior conveyer belt (12) and outer conveyor (12 '), sample (6) is located at interior biography It send above band (12) or outer conveyor (12 '), two transmission drive with identical rotation axis, ensure that the shifting of two conveyer belts Dynamic speed is identical;
Light-source system includes light source (10), power supply (11), collimation lens (9) and slit (8), light source (10), collimation lens (9) and slit (8) setting is internal in interior conveyer belt (12), and power supply (11) is powered to light source (10);
Near infrared detection system includes transmitter (19), detector (7), collecting lens (5), spectrometer (2) and micro- place It manages device (1), transmitter (19) and detector (7) are located at the two sides of sample (6) transmission direction, and are oppositely arranged;
The signal of transmitter (19) transmitting is stopped by sample (6), changes the signal of detector (7), and detector (7) is sent Signal triggering spectrometer (2) is detected, and light source (10) issues near infrared light (14) and collimated by collimation lens (9), is then passed through It crosses slit (8) and changes near infrared light (14) beam size, make between beam size and two conveyer belts (12,12 ') slit mutual Match, near infrared light (14) generates near infrared spectrum (15) by slit irradiating sample (6), and near infrared spectrum (15) is saturating by collecting Mirror (5) is coupled to spectrometer (2), and microprocessor (1) analyzes near infrared spectrum (15).
It should further include sample position based on near-infrared diffusing transmission solids on-line detecting system as the technical solution of optimization Correction system, sample (6) is located at correction system and is located above interior conveyer belt (12) or outer conveyor (12 '), including is located at First correction fixed frame (16) and the second correction fixed frame (16 ') of sample (6) direction of transfer two sides, the first correction fixed frame (16) inside is staggeredly equipped with the first correction tooth (17) and the first correction paddy (18), the interior top-cross of the second correction fixed frame (16 ') Mistake is equipped with the second correction tooth (17 ') and the second correction paddy (18 '), the top of the first correction tooth (17) and the second correction tooth (17 ') The distance between it is related to sample (6), first correction tooth (17) and second correction tooth (17 ') top formation straight line between away from From the size for being greater than sample (6), the size of conveyer belt where being less than sample (6).
As the technical solution of optimization, parabolically type, correction paddy are for the first correction tooth (17) and the second correction tooth (17 ') The groove formed between the correction tooth of two adjacent settings separated by a distance.
As the technical solution of optimization, the first correction tooth (17) and the second correction tooth (17 ') are installed in a staggered manner.
As the technical solution of optimization, light-source system further includes the optical fiber head (4) and optical fiber (3) being connected, the optical fiber Head (4) is connect with collecting lens (5), and optical fiber (3) other end is connect with spectrometer (2), and near infrared spectrum (15) is saturating by collecting Mirror (5) and optical fiber head (4) are coupled to optical fiber (3), are transmitted to spectrometer (2) by optical fiber (3).
As the technical solution of optimization, transmitter (19) and detector (7) are separately fixed at the first correction fixed frame (16) In the second correction fixed frame (16 ').
Spectral signal both can be transmitted to spectrometer (2) by optical fiber (3) by the near infrared detection system, can also not Using optical fiber, spectrometer (2) directly are couple by spectral signal.
As the technical solution of optimization, light-source system and near infrared detection system, the two in conveyer belt (12,12 ') two It the position of side can intermodulation.
As the technical solution of optimization, slit (8) is located at immediately ahead of collimation lens (9), the size of slit (8) and two transmission Gap between band (12,12 ') is related.
It is of the invention compared with prior art, have the advantages that
For a kind of research based on near-infrared diffusing transmission solids on-line detecting system, the present invention provides one kind can be real Now to solid particulate matter sample on-line detecting system, automatically correcting for sample position is realized, for using near-infrared spectrum technique Be accurately positioned measuring and a kind of means are provided.Light-source system uses slit, realizes accurate irradiation of the light source to sample, simultaneously Reduce influence of the other factors to spectrum.The invention uses two coaxial conveyer belts, by gap between the two to sample Product are detected, and the on-line checking of the near-infrared diffusing transmission of sample is realized.It is unrestrained saturating that the implementation of the invention can widen near-infrared Penetrate on-line checking application range.
Detailed description of the invention
Fig. 1, which is that the present invention is a kind of, is based on near-infrared diffusing transmission solids on-line detecting system schematic diagram;
Fig. 2 is a kind of based on near-infrared diffusing transmission solids on-line detecting system principle auxiliary figure;
Fig. 3 is a kind of based on near-infrared diffusing transmission solids on-line detecting system correction systematic schematic diagram;
Fig. 4 is a kind of near infrared spectrum that rice is acquired based on near-infrared diffusing transmission solids on-line detecting system;
Fig. 5 is a kind of near infrared spectrum that corn is acquired based on near-infrared diffusing transmission solids on-line detecting system;
Fig. 6 is a kind of near infrared light that norfloxacin capsule is acquired based on near-infrared diffusing transmission solids on-line detecting system Spectrum
Fig. 7 is a kind of near infrared spectrum that soybean is acquired based on near-infrared diffusing transmission solids on-line detecting system;
Specific embodiment
The effect of to make to structure feature of the invention and being reached, has a better understanding and awareness, to preferable Examples and drawings cooperation detailed description, is described as follows:
One kind provided by the invention may be implemented sample based on near-infrared diffusing transmission solids on-line detecting system and examine online Survey case.
As shown in Figure 1, Figure 2 and Figure 3, a kind of to be based on near-infrared diffusing transmission solids on-line detecting system, comprising: sample passes Send system, sample position correction system, light-source system and near infrared detection system.
Sample conveyance system includes: interior conveyer belt 12, outer conveyor 12 ', the first rotation axis 13 and the second rotation axis 13 ', interior conveyer belt 12 and outer conveyor 12 ', which cover, to be located at and first rotation axis 13 and the second rotation axis at internal both ends On 13 ', there is certain gap between interior conveyer belt 12 and outer conveyor 12 ', the size in gap is related with sample size.
Sample position correction system is located at 12 ' top of interior conveyer belt 12 and outer conveyor, including is located at the transmission of sample 6 First correction fixed frame 16 of direction two sides and the second correction fixed frame 16 ', the inside of the first correction fixed frame 16 are staggeredly equipped with First correction tooth 17 and the first correction paddy 18, the inside of the second correction fixed frame 16 ' are staggeredly equipped with the second correction tooth 17 ' and second Paddy 18 ' is corrected, parabolically type, correction paddy are adjacent two and are separated by a spacing for the first correction tooth 17 and the second correction tooth 17 ' The groove formed between correction tooth from setting.First correction tooth 17 and the second correction tooth 17 ' are installed in a staggered manner.First correction tooth 17 The size that the distance between straight line is greater than sample 6 is formed with the top of the second correction tooth 17 ', less than 6 place conveyer belt of sample The distance between the top of size, i.e., the first correction tooth 17 and the second correction tooth 17 ' is related with 6 size of sample.It is of course also possible to The top of first correction tooth 17 and the second correction tooth 17 ' forms the size that the distance between straight line is only greater than the most narrow place of sample 6 And it is less than the size of the widest part of sample 6, so as to which sample 6 is adjusted to best transmission route.
Sample 6 is located at conveyer belt 12 or 12 ' top, pass through conveyer belt 12 or 12 ' and movement is driven, when sample 6 deviates centre When position, sample 6 can contact with each other with the first correction tooth 17 or the second correction tooth 17 ', pass through the first correction tooth 17 and the second school The correction several times of commutating tooth 17 ' makes sample 6 along intermediate location transmission.
Light-source system includes light source 10, power supply 11, collimation lens 9 and slit 8, and light source 10, collimation lens 9 and slit 8 are set It sets inside interior conveyer belt 12, power supply 11 is powered to light source 10, can be located at and be facilitated placement anywhere.Light source 10 issues closely Infrared light 14 is collimated by collimation lens 9, then changes 14 beam size of near infrared light by slit 8, make beam size with it is interior Slit is mutually matched between conveyer belt 12 and outer conveyor 12 '.The size of slit 8 is related with the gap of two conveyer belts, guarantees to the greatest extent The more near infrared light 14 of amount can be by 8 irradiating sample 6 of slit, while preventing near infrared light 14 from irradiating conveyer belt, influences sample 6 Spectrum.
Near infrared detection system includes transmitter 19, detector 7, collecting lens 5, optical fiber head 4, optical fiber 3, spectrometer 2, with And microprocessor 1.Transmitter 19 and detector 7 are located at the two sides of 6 transmission direction of sample, and are oppositely arranged.The present embodiment In, transmitter 19 and detector 7 are separately fixed on the first correction fixed frame 16 and the second correction fixed frame 16 '.Collecting lens 5, optical fiber head 4, optical fiber 3, spectrometer 2 and microprocessor 1 are sequentially connected.And slit 8 is located at the underface of collecting lens 5.? On the direction of travel of sample 6, the setting position of slit 8 and collecting lens 5 is located at the front of transmitter 19 and detector 7.
The step of being detected using the detection system is as follows:
Light source 10 issues near infrared light 14 and is collimated by collimation lens 9, then changes 14 light beam of near infrared light by slit 8 Size is mutually matched slit between beam size and two conveyer belts 12,12 ', and sample 6 is moved to near-infrared inspection along middle position When examining system, the signal that transmitter 19 emits is stopped by sample 6, changes the signal of detector 7, and detector 7 sends signal touching The spectrometer 2 that shines is detected.Near infrared light 14 generates near infrared spectrum 15 by slit irradiating sample 6, and near infrared spectrum 15 passes through It crosses collecting lens 5 and optical fiber head 4 is coupled to optical fiber 3, spectrometer 2 is transmitted to by optical fiber 3 and is divided and is detected, it can also be straight It connected collecting lens 5 and is coupled to spectrometer 2.The spectral analysis software of last microprocessor 1 divides near infrared spectrum 15 Analysis.
The following are using the near infrared spectrum for automatically correcting probe detection rice, soybean and corn.
The detection process of the present embodiment are as follows: the single width of two conveyer belts 12,12 ' that the implementation case uses is 1cm's Belt composition, for two conveyer belts 12,12 ' by common rotation axis 13 and 13 ', 13 and 13 ' diameter of rotation axis is 1.5cm.Two The spacing of conveyer belt 12,12 ' is related with sample 6, and the spacing for two conveyer belts of rice 12,12 ' is 2mm, corn and promise fluorine Husky star capsule is 5mm, soybean 6mm.Two sets of correction system width of sample are 8mm, a length of 20cm.The correction tooth 17 of correction system, 17 ' are presented parabolic type with correction paddy 18,18 ', use 5 correction teeth 17,17 ', the position of a set of correction tooth 17,17 ' altogether It is corresponding with the position of another set of correction paddy 18,18 '.Sample position corrects system and is located at right above two conveyer belts 12,12 ', Top, fixed frame 16, the distance of 16 ' adjustable two sets of correction systems are fixed on by correcting fixed frame 16,16 '.Sample (water Rice, corn, norfloxacin capsule or soybean) 6 by conveyer belt 12,12 ' drive movement, when sample 6 deviate middle position when, Sample 6 can be contacted with each other and be corrected with correction tooth 17,17 ', by correcting the correction several times of tooth 17,17 ', make sample 6 along centre Location transmission, detected when sample 6 is moved along middle position by photodetector 7, detector 7 send signal trigger Fourier's light Spectrometer 2 is detected.
Then 10 power of light source that light-source system uses passes through diameter 15mm for the tungsten halogen lamp of 6W, focal length is the double of 20mm Convex collimation lens 9 is collimated, and near infrared light 14 changes beam size, beam size and two conveyer belts 12,12 ' by slit 8 Spacing it is related, the slit that rice uses is long 15mm, wide 1.4mm;Corn uses long 15mm, the slit of wide 4.9mm;Soybean is adopted With long 15mm, the slit of wide 5.9mm.Near infrared light 14 generates corresponding near infrared spectrum 15 by slit irradiating sample 6, close red External spectrum 15 passes through diameter 20mm, and the collecting lens 5 of focal length 30mm and the optical fiber head 4 of SMA905 are coupled to optical fiber 3, pass through optical fiber 3, which are transmitted to Fourier spectrometer 2, is detected.The spectral analysis software of last microprocessor 1 divides near infrared spectrum 15 Analysis.It is as shown in Figure 4, Figure 5, Figure 6 and Figure 7 to acquire rice, corn, norfloxacin capsule and the diffusing transmission spectrum of soybean.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention Principle, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these variation and Improvement is both fallen in the range of claimed invention.The present invention claims protection scope by appended claims and its Equivalent defines.

Claims (7)

1. one kind is based on near-infrared diffusing transmission solids on-line detecting system, it is characterised in that: include: sample conveyance system, light Source system and near infrared detection system;
Sample conveyance system includes: interior conveyer belt (12), outer conveyor (12 '), the first rotation axis (13) and the second rotation axis (13 '), interior conveyer belt (12) and outer conveyor (12 ') are covered in first rotation axis (13) at both ends on its interior and second In rotation axis (13 '), there is certain gap between interior conveyer belt (12) and outer conveyor (12 '), sample (6) is located at interior conveyer belt (12) or above outer conveyor (12 ');
Light-source system includes light source (10), power supply (11), collimation lens (9) and slit (8), light source (10), collimation lens (9) and Slit (8) setting is internal in interior conveyer belt (12), and power supply (11) is powered to light source (10);
Near infrared detection system includes transmitter (19), detector (7), collecting lens (5), spectrometer (2) and microprocessor (1), transmitter (19) and detector (7) are located at the two sides of sample (6) transmission direction, and are oppositely arranged;
The signal of transmitter (19) transmitting is stopped by sample (6), changes the signal of detector (7), and detector (7) sends signal Triggering spectrometer (2) is detected, and light source (10) issues near infrared light (14) and collimated by collimation lens (9), then by narrow It stitches (8) and changes near infrared light (14) beam size, be mutually matched slit between beam size and two conveyer belts (12,12 '), closely Infrared light (14) generates near infrared spectrum (15) by slit irradiating sample (6), and near infrared spectrum (15) passes through collecting lens (5) It is coupled to spectrometer (2), microprocessor (1) analyzes near infrared spectrum (15);
It further include sample position correction system, sample position correction system is located on interior conveyer belt (12) or outer conveyor (12 ') Side, the first correction fixed frame (16) and the second correction fixed frame (16 ') including being located at sample (6) direction of transfer two sides, The inside of first correction fixed frame (16) is staggeredly equipped with the first correction tooth (17) and the first correction paddy (18), the second correction fixed frame The inside of (16 ') is staggeredly equipped with the second correction tooth (17 ') and the second correction paddy (18 '), the first correction tooth (17) and the second correction The top of tooth (17 ') forms the size that the distance between straight line is greater than sample (6), the size of conveyer belt where being less than sample (6); First correction tooth (17) and second correct tooth (17 ') section outer profile parabolically shape, the parabola direction The inclination of the conveying direction of interior conveyer belt (12) or outer conveyor (12 ').
2. according to claim 1 a kind of based on near-infrared diffusing transmission solids on-line detecting system, it is characterised in that: the Parabolically type, correction paddy are two adjacent settings separated by a distance for one correction tooth (17) and the second correction tooth (17 ') The groove formed between correction tooth.
3. according to claim 1 a kind of based on near-infrared diffusing transmission solids on-line detecting system, it is characterised in that: the One correction tooth (17) and the second correction tooth (17 ') are installed in a staggered manner.
4. according to claim 1 a kind of based on near-infrared diffusing transmission solids on-line detecting system, it is characterised in that: light Source system further includes the optical fiber head (4) and optical fiber (3) being connected, and the optical fiber head (4) connect with collecting lens (5), optical fiber (3) The other end is connect with spectrometer (2), and near infrared spectrum (15) is coupled to optical fiber (3) by collecting lens (5) and optical fiber head (4), Spectrometer (2) are transmitted to by optical fiber (3).
5. according to claim 1 a kind of based on near-infrared diffusing transmission solids on-line detecting system, it is characterised in that: hair Emitter (19) and detector (7) are separately fixed on the first correction fixed frame (16) and the second correction fixed frame (16 ').
6. according to claim 1 a kind of based on near-infrared diffusing transmission solids on-line detecting system, it is characterised in that: institute The light-source system and near infrared detection system stated, position energy of the two in the two sides of interior conveyer belt (12) and outer conveyor (12 ') Enough intermodulation.
7. according to claim 1 a kind of based on near-infrared diffusing transmission solids on-line detecting system, it is characterised in that: institute The slit (8) stated is located at immediately ahead of collimation lens (9).
CN201611077617.9A 2016-11-29 2016-11-29 One kind being based on near-infrared diffusing transmission solids on-line detecting system Active CN106770346B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611077617.9A CN106770346B (en) 2016-11-29 2016-11-29 One kind being based on near-infrared diffusing transmission solids on-line detecting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611077617.9A CN106770346B (en) 2016-11-29 2016-11-29 One kind being based on near-infrared diffusing transmission solids on-line detecting system

Publications (2)

Publication Number Publication Date
CN106770346A CN106770346A (en) 2017-05-31
CN106770346B true CN106770346B (en) 2019-10-22

Family

ID=58898010

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611077617.9A Active CN106770346B (en) 2016-11-29 2016-11-29 One kind being based on near-infrared diffusing transmission solids on-line detecting system

Country Status (1)

Country Link
CN (1) CN106770346B (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002039940A (en) * 2000-07-21 2002-02-06 Techno Ishii:Kk Method and apparatus for detection of turning into cavitation in specimen
CN2615660Y (en) * 2003-04-01 2004-05-12 中国农业机械化科学研究院 Diffuse transmission measuring device for near infrared grain quality analysis instrument
JP4209926B1 (en) * 2008-01-09 2009-01-14 株式会社庄内クリエート工業 Packaged food inspection equipment using near infrared rays
KR20100013071U (en) * 2009-06-24 2010-12-31 (주)아모레퍼시픽 Container delivering device
CN103792235A (en) * 2014-01-10 2014-05-14 内蒙古农业大学 Diffuse transmission spectrum and image information fusion method for detecting internal quality of honeydew melons on line and device
CN104310032A (en) * 2014-11-03 2015-01-28 苏州精创光学仪器有限公司 Conveying device of glass measuring system
CN204422436U (en) * 2015-03-02 2015-06-24 三峡大学 A kind of ceramic tile patterns defect detecting device based on machine vision
CN205335235U (en) * 2015-12-15 2016-06-22 浙江龙柏光伏科技有限公司 Detect conveyer after solar wafer printing

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002039940A (en) * 2000-07-21 2002-02-06 Techno Ishii:Kk Method and apparatus for detection of turning into cavitation in specimen
CN2615660Y (en) * 2003-04-01 2004-05-12 中国农业机械化科学研究院 Diffuse transmission measuring device for near infrared grain quality analysis instrument
JP4209926B1 (en) * 2008-01-09 2009-01-14 株式会社庄内クリエート工業 Packaged food inspection equipment using near infrared rays
KR20100013071U (en) * 2009-06-24 2010-12-31 (주)아모레퍼시픽 Container delivering device
CN103792235A (en) * 2014-01-10 2014-05-14 内蒙古农业大学 Diffuse transmission spectrum and image information fusion method for detecting internal quality of honeydew melons on line and device
CN104310032A (en) * 2014-11-03 2015-01-28 苏州精创光学仪器有限公司 Conveying device of glass measuring system
CN204422436U (en) * 2015-03-02 2015-06-24 三峡大学 A kind of ceramic tile patterns defect detecting device based on machine vision
CN205335235U (en) * 2015-12-15 2016-06-22 浙江龙柏光伏科技有限公司 Detect conveyer after solar wafer printing

Also Published As

Publication number Publication date
CN106770346A (en) 2017-05-31

Similar Documents

Publication Publication Date Title
Ciurczak et al. Pharmaceutical and medical applications of near-infrared spectroscopy
Pasquini Near infrared spectroscopy: A mature analytical technique with new perspectives–A review
Rapson et al. Analytical techniques for measuring nitrous oxide
US9651422B2 (en) Multiplex tunable filter spectrometer
Hu et al. Imaging with terahertz waves
Wojtas et al. Ultrasensitive laser spectroscopy for breath analysis
US8184295B2 (en) Tablet analysis and measurement system
EP0637742B1 (en) Apparatus and method for measuring the concentration of glucose with light scattering
Burns et al. Handbook of near-infrared analysis
Ueno et al. Analytical terahertz spectroscopy
US6836325B2 (en) Optical probes and methods for spectral analysis
CN101435771B (en) Efedrina for identifying different optical rotation performances by THz-TDS
EP2140238B1 (en) In-line process measurement systems and methods
Naftaly Metrology issues and solutions in THz time-domain spectroscopy: Noise, errors, calibration
EP2188604B1 (en) Spectrometer for measuring moving sample material and the method
Massie et al. Design of a portable optical sensor for methane gas detection
WO2015015493A2 (en) Spectrometry system and method, spectroscopic devices and systems
US20100045977A1 (en) Methods of Analyzing Samples Using Broadband Laser Light
Ren et al. State-of-the-art in terahertz sensing for food and water security–A comprehensive review
CN202631110U (en) Terahertz time domain double spectrum detecting system
EP0215648A2 (en) An improved system for remote chemical analysis
CN105008898B (en) The system and method for LIBS and IR absorption spectrometry researchs for combination
US6833922B2 (en) Optical path structure for open path emissions sensing with opposed sources
CN101351700B (en) Substrate for analysis for use in Raman spectroscopic analysis and substrate assembly for analysis
CN101435773B (en) Gas monitoring method and apparatus based on quasi continuous diode laser modulated spectrum

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant