CN105352969B - A kind of edible oil product transparent color and luster degree impurity detection device - Google Patents
A kind of edible oil product transparent color and luster degree impurity detection device Download PDFInfo
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- CN105352969B CN105352969B CN201510830354.3A CN201510830354A CN105352969B CN 105352969 B CN105352969 B CN 105352969B CN 201510830354 A CN201510830354 A CN 201510830354A CN 105352969 B CN105352969 B CN 105352969B
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- 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
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
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- 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
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8806—Specially adapted optical and illumination features
- G01N2021/8822—Dark field detection
- G01N2021/8825—Separate detection of dark field and bright field
Abstract
The invention belongs to oil product detection technique field, discloses a kind of edible oil product transparent color and luster degree impurity detection device, including：Oil product delivery unit, backlight bright field detection unit, obtain backlight bright field detection image information；Top light dark field detection unit, obtain top light dark field detection image information；Polarisation dark field detection unit, obtain polarisation dark field detection image information；Detection control and graphics processing unit, are connected with the oil product delivery unit and above-mentioned detection unit, control it to act and handle the detection image information of acquisition respectively；Transparent color and luster degree detection unit, detection signal light is projected from oil product side to be checked by backlight, and collect the light from oil product to be checked outgoing, analyze spectral intensity and feature；Wherein, the oil product to be checked is sequentially transmitted above-mentioned detection unit by the oil product delivery unit, and the polarization direction of Polarization Detection light and analyzer polarization direction are into being arranged vertically.The present invention provides a kind of efficient, the high east of oil transparency impurity detection device of reliability.
Description
Technical field
The present invention relates to oil product detection technique field, more particularly to a kind of edible oil product transparent color and luster degree defects inspecting dress
Put.
Background technology
Edible oil quality detection includes the project such as east of oil, transparency, impurity.
Existing detection is usually artificial detection, by artificial detecting steps such as observations, carries out subjective judgement.
This method detection is slow, and measurement error caused by vision and fatigue etc. is larger, and light source and colour filter also result in
Larger measurement error, efficiency is low, can not meet the requirement of automatic high-efficiency rate.
The content of the invention
The present invention provides a kind of edible oil product transparent color and luster degree impurity detection device, and it is saturating to solve east of oil in the prior art
Artificial detection during lightness defects inspecting, reliability is low, cumbersome, the low technical problem of efficiency.
In order to solve the above technical problems, the invention provides a kind of edible oil product transparent color and luster degree impurity detection device, bag
Include：
Oil product delivery unit, transport and drive oil product to be checked to rotate；
Backlight bright field detection unit, detection light is projected from oil product side to be checked by backlight, and collected from oil product to be checked
The light of outgoing, obtain backlight bright field detection image information；
Top light dark field detection unit, detection light is projected from oil product top to be checked by backlight, and entered perpendicular to detection light
Penetrate direction and collect the light being emitted from oil product to be checked, obtain top light dark field detection image information；
Polarisation dark field detection unit, by polarized backlight source from oil product side projected polarisation detection light to be checked, and via inspection
Inclined device collects the polarised light from oil product to be checked outgoing, obtains polarisation dark field detection image information；
Transparent color and luster degree detection unit, detection signal light is projected from oil product side to be checked by backlight, and collected from treating
The light of oil product outgoing is examined, analyzes spectral intensity and feature；
Detection control and graphics processing unit are dark with the oil product delivery unit, backlight bright field detection unit, top light respectively
Field detection unit, polarisation dark field detection unit and transparent color and luster degree detection unit are connected, and control it to act and handle the top of acquisition
Brightness field detection image information, polarisation dark field detection image information, polarisation dark field detection image information and spectral information；
Wherein, the oil product to be checked is sequentially transmitted above-mentioned backlight bright field detection unit, top by the oil product delivery unit
Brightness field detection unit, polarisation dark field detection unit and transparent color and luster degree detection unit；
The oil product to be checked is driven by the oil product delivery unit to be rotated, and in the backlight bright field detection unit, top light
In dark field detection unit and polarisation dark field detection unit rotation status is kept during execution image information acquisition；
The polarization direction of Polarization Detection light and analyzer polarization direction are into being arranged vertically.
Further, the detection control and graphics processing unit include：Industrial computer；
The industrial computer respectively examine by oil product delivery unit described with the driving, backlight bright field detection unit, top light details in a play not acted out on stage, but told through dialogues
Survey unit and polarisation dark field detection unit is connected, drive its perform detection to act.
Further, the backlight bright field detection unit, top light dark field detection unit and polarisation dark field detection unit, are holding
Row is obtained in the operating process of image information, continuously acquires multiple images；
The detection control and graphics processing unit detect the backlight bright field single during image procossing is performed
Multiple continuous generic image subtractions that member, top light dark field detection unit and polarisation dark field detection unit obtain.
Further, the oil product delivery unit includes：Carrying platform and power set；
Fixed card slot is set on the carrying platform, for fixing the oil product to be checked；
The power set are motor, and the motor output power drives the carrying platform to act by drive mechanism,
The oil product to be checked being fixed in the fixed card slot is sent to the oil product delivery unit, backlight bright field detection unit, top light
The corresponding detecting position of dark field detection unit and polarisation dark field detection unit；
Wherein, the fixed card slot bottom sets rotatable carrying disk and the motor being attached thereto, and can drive institute
State oil product rotation to be checked.
Further, the carrying platform includes：Disc platform；
Drive mechanism is directed or through in the middle part of the disc platform with the output revolving shaft of the motor to be connected so that institute
Stating disc platform can rotate along the center portion thereof；
Wherein, the oil product delivery unit, backlight bright field detection unit, top light dark field detection unit and polarisation dark field detection
Unit is to the fixed card slot, being arranged on outside the disc platform.
Further, the disc platform includes：Fixed part and rotation section；
The rotation section ring set can rotate on the outside of the fixed part relative to the fixed part；
The fixed card slot is arranged on the rotation section；
The rotation section is connected with the motor, driven rotation.
Further, the backlight bright field detection unit includes：First high speed camera and the first backlight；
First high speed camera described in the first backlight face is set；
Wherein, first backlight is fixed on the fixed part；First high speed camera is fixed on the disk
Outside shape platform.
Further, the top light dark field detection unit includes：Second high speed camera, shadow shield and the second backlight；
Second high speed camera described in the shadow shield face is set；
Second backlight is suspended above the fixed card slot, is just investing the fixed card slot；
First high speed camera is fixed on outside the disc platform.
Further, the polarisation dark field detection unit includes：3rd high speed camera, analyzer and the 3rd backlight；
3rd high speed camera described in the 3rd backlight face is set；
The analyzer is placed in the 3rd high speed camera front end；
Wherein, the 3rd backlight is polarized light source, is fixed on the fixed part；3rd high speed camera is fixed
Outside the disc platform.
The transparent color and luster degree detection unit includes：Spot light, optically focused mechanism, conduction optical fiber and spectroanalysis instrument；
Optically focused mechanism described in the spot light face, collect the light via the oil product outgoing to be checked and carry out optically focused behaviour
Make；
The optically focused mechanism is connected by the conduction optical fiber with the spectroanalysis instrument；
Wherein, the spot light is fixed on the fixed part；The optically focused mechanism is fixed on outside the disc platform.
The one or more technical schemes provided in the embodiment of the present application, have at least the following technical effects or advantages：
1st, the edible oil product transparent color and luster degree impurity detection device provided in the embodiment of the present application, using optical detection side
Formula, the impurity movement locus under motion state is caught, and the impurity state of oil product is judged as index, automaticity is significantly
Lifting, while judgement is also more scientific, reliably, efficiency is also higher.
2nd, the edible oil product transparent color and luster degree impurity detection device provided in the embodiment of the present application, detected using backlight bright field
Three unit, top light dark field detection unit and polarisation dark field detection unit different images information sources detect parsing impurity motion respectively
State and track, the comprehensive of impurity seizure is greatly improved, adapts to all kinds of impurity or the impurity of motion state；The opposing party
Face, it is complementary to one another, effectively reduces loss, so as to greatly promotes detection science and reliability.
3rd, the edible oil product transparent color and luster degree impurity detection device provided in the embodiment of the present application, passes through specific disc
Platform coordinates three specific detection units, realizes the optical detection flow of smoothness, catches comprehensive impurity running orbit, automatically
Change degree is high, and efficiency also greatly promotes.
Brief description of the drawings
Fig. 1 is the structural representation of edible oil product transparent color and luster degree impurity detection device provided in an embodiment of the present invention；
Fig. 2 is the structural representation of backlight bright field detection unit provided in an embodiment of the present invention；
Fig. 3 is the structural representation of top light dark field detection unit provided in an embodiment of the present invention；
Fig. 4 is the structural representation of polarisation dark field detection unit provided in an embodiment of the present invention；
Fig. 5 is the structural representation of transparent color and luster degree detection unit provided in an embodiment of the present invention.
Embodiment
The embodiment of the present application solves oily in the prior art by providing one kind east of oil transparency impurity detection device
Artificial detection during product transparent color and luster degree defects inspecting, reliability is low, cumbersome, the low technical problem of efficiency.
In order to solve the above technical problems, the general thought that the embodiment of the present application provides technical scheme is as follows：
Edible oil product transparent color and luster degree impurity detection device, including：
Oil product delivery unit, transport and drive oil product to be checked to rotate；
Backlight bright field detection unit, detection light is projected from oil product side to be checked by backlight, and collected from oil product to be checked
The light of outgoing, obtain backlight bright field detection image information；
Top light dark field detection unit, detection light is projected from oil product top to be checked by backlight, and entered perpendicular to detection light
Penetrate direction and collect the light being emitted from oil product to be checked, obtain top light dark field detection image information；
Polarisation dark field detection unit, by polarized backlight source from oil product side projected polarisation detection light to be checked, and via inspection
Inclined device collects the polarised light from oil product to be checked outgoing, obtains polarisation dark field detection image information；
The transparent color and luster degree detection unit includes：Spot light, optically focused mechanism, conduction optical fiber and spectroanalysis instrument；
Optically focused mechanism described in the spot light face, collect the light via the oil product outgoing to be checked and carry out optically focused behaviour
Make；
The optically focused mechanism is connected by the conduction optical fiber with the spectroanalysis instrument；
Wherein, the spot light is fixed on the fixed part；The optically focused mechanism is fixed on outside the disc platform；
The oil product to be checked is driven by the oil product delivery unit to be rotated, and in the backlight bright field detection unit, top light
In dark field detection unit and polarisation dark field detection unit rotation status is kept during execution image information acquisition；
The polarization direction of Polarization Detection light and analyzer polarization direction are into being arranged vertically.
By the above as can be seen that being projected by the detection light of three angles and type on oil product to be checked, catch
The movement locus of impurity, it can also be mutually authenticated in it, it is accurate reliable；Automation inspection is realized under the cooperation of conveyer simultaneously
Survey.
In order to be better understood from above-mentioned technical proposal, below in conjunction with Figure of description and specific embodiment to upper
State technical scheme to be described in detail, it should be understood that the specific features in the embodiment of the present invention and embodiment are to the application skill
The detailed description of art scheme, rather than the restriction to technical scheme, in the case where not conflicting, the embodiment of the present application
And the technical characteristic in embodiment can be mutually combined.
Referring to Fig. 1~5, a kind of edible oil product transparent color and luster degree impurity detection device provided in an embodiment of the present invention, including：
Oil product delivery unit 1, transport and drive oil product to be checked to rotate；
Backlight bright field detection unit 3, detection light is projected from oil product side to be checked by backlight, and collected from oil product to be checked
The light of outgoing, obtain backlight bright field detection image information；
Top light dark field detection unit, detection light is projected from oil product top to be checked by backlight, and entered perpendicular to detection light
Penetrate direction and collect the light being emitted from oil product to be checked, obtain top light dark field detection image information；
Polarisation dark field detection unit, by polarized backlight source from oil product side projected polarisation detection light to be checked, and via inspection
Inclined device collects the polarised light from oil product to be checked outgoing, obtains polarisation dark field detection image information；
The transparent color and luster degree detection unit includes：Spot light, optically focused mechanism, conduction optical fiber and spectroanalysis instrument；
Optically focused mechanism described in the spot light face, collect the light via the oil product outgoing to be checked and carry out optically focused behaviour
Make；
The optically focused mechanism is connected by the conduction optical fiber with the spectroanalysis instrument；
Wherein, the spot light is fixed on the fixed part；The optically focused mechanism is fixed on outside the disc platform；
The oil product to be checked is driven by the oil product delivery unit to be rotated, and in the backlight bright field detection unit, top light
In dark field detection unit and polarisation dark field detection unit rotation status is kept during execution image information acquisition；
The polarization direction of Polarization Detection light and analyzer polarization direction are into being arranged vertically.
The detection control and graphics processing unit include：Industrial computer 5；
The industrial computer 5 respectively with the oil product delivery unit, backlight bright field detection unit, top light dark field detection unit and
Polarisation dark field detection unit is connected, and drives its perform detection to act.
The backlight bright field detection unit, top light dark field detection unit and polarisation dark field detection unit, figure is obtained performing
As information operating process in, continuously acquire multiple images；
The detection control and graphics processing unit detect the backlight bright field single during image procossing is performed
Multiple continuous generic image subtractions that member, top light dark field detection unit and polarisation dark field detection unit obtain.
Referring to Fig. 1, oil product delivery unit includes：Carrying platform 1 and power set；
Fixed card slot (21~27) is set on the carrying platform 1, for fixing the oil product to be checked 2；
The power set are motor, and the motor output power drives the carrying platform to act by drive mechanism,
The oil product to be checked being fixed in the fixed card slot is sent to the oil product delivery unit, backlight bright field detection unit, top light
The corresponding detecting position of dark field detection unit and polarisation dark field detection unit；
Wherein, the fixed card slot bottom sets rotatable carrying disk and the motor 221 being attached thereto, and can drive
The oil product rotation to be checked.
Further, the carrying platform includes：Disc platform 1；
The middle part of disc platform 1 directs or through drive mechanism with the output revolving shaft of the motor and is connected so that
The disc platform can rotate along the center portion thereof；
Wherein, the oil product delivery unit, backlight bright field detection unit, top light dark field detection unit and polarisation dark field detection
Unit is to the fixed card slot, being arranged on outside the disc platform.
The disc platform includes：Fixed part 11 and rotation section 1；
The ring set of rotation section 1 can rotate on the outside of the fixed part 11 relative to the fixed part 11；
The fixed card slot is arranged on the rotation section 1；
The rotation section 1 is connected with the motor, driven rotation.
Referring to Fig. 2, the backlight bright field detection unit includes：First high speed camera 33 and the first backlight 43；
The camera lens 331 of first high speed camera is set described in the face of first backlight 43；
Wherein, first backlight 43 is fixed on the fixed part 11；First high speed camera 33 is fixed on institute
State outside disc platform 1.
Referring to Fig. 3, top light dark field detection unit includes：Second high speed camera 34, the backlight of shadow shield 44 and second
441；
Second high speed camera 34 described in the face of shadow shield 44 is set；
Second backlight 441 is suspended above the fixed card slot, is just investing the fixed card slot；
Second high speed camera 34 is fixed on outside the disc platform 1.
Referring to Fig. 4, the polarisation dark field detection unit includes：3rd high speed camera 35, analyzer and the 3rd backlight
45；
3rd high speed camera 35 described in the face of 3rd backlight 45 is set；
The analyzer is placed in the front end of the 3rd high speed camera 35；
Wherein, the 3rd backlight is polarized light source 451, is fixed on 11 on the fixed part；The 3rd high speed phase
Machine is fixed on outside the disc platform.
Referring to Fig. 5, the transparent color and luster degree detection unit includes：Spot light 46, optically focused mechanism 361, conduction optical fiber and light
Compose analyzer 36；
Optically focused mechanism 361 described in the face of spot light 46, collect the light being emitted via the oil product 2 to be checked and gathered
Light operates；
The optically focused mechanism 361 is connected by the conduction optical fiber with the spectroanalysis instrument 36.
Described in introducing respectively below.
The feeding of oil can 2 is entered disc platform 1 by front end feed zone automatically, and the center of disc platform 1 is provided with driving
Motor, drive disc platform 1 to be moved from feeding end fixed card slot 21 to discharging end fixed card slot 27, complete the automation of material
Transmission.
Be provided with the mini-roundabout of multiple stations on the disc platform 1, i.e., fixed card slot (21,22,23,24,25,26,
27), charging oil can 2 is placed in above mini-roundabout, and each mini-roundabout passes through feed position respectively along the direction of rotation of disc platform 1, high
Fast rotation brake position 22P, backlight bright field position 23P, top light details in a play not acted out on stage, but told through dialogues position 24P, polarisation details in a play not acted out on stage, but told through dialogues position 25P and lower material position 27.Disc is put down
Platform 1 and the motion of above-mentioned mini-roundabout and the control of each station are controlled by industrial computer 5.
Mini-roundabout 22 rotates at a high speed after feeding around electric machine rotational axis 221, rotates to be single steering, reaches the inspection of backlight bright field
Emergent stopping after survey unit.Subsequently into backlight bright field position 23P.
Backlight bright field position 23P detection means by be placed in inner side, the central shaft side of disc platform 1, exiting parallel it is big
The first backlight of area 43 and the high speed camera 33 of camera lens 331 and first faced on the outside of oil can 2 form.The first high speed phase
The frame per second of machine 33 is higher, and the motion of disc platform 1 can be ignored to the influence for adopting figure.The center line of camera lens 331 and the first backlight
The surface of source 43 is vertical, and is arranged along the pivot line of disc platform 1 and mini-roundabout 23, and is located at the centre position of oil can 2.
First backlight 43 and the first high speed camera 33 are fixed on that the station is motionless, and due to emergent stopping, oil can 2 no longer revolves
Turn, but the oil in it still rotates at a high speed along its original direction of rotation direction, after station 23P is reached, is sent by industrial computer 5
Signal gives the continuous acquisition multiple image of high speed camera 33, preferably more than two width.Because opaque impurity is fortune under the drive of oil
Dynamic, therefore occurring the black moving image of the appearance in static bright background in the picture, several figures detect impermeable after subtracting each other
Bright impurity.
The fixed card slot 24 of inside cell is just liked in top light details in a play not acted out on stage, but told through dialogues, and top light details in a play not acted out on stage, but told through dialogues position 24P is big by the exiting parallel for being placed in top
The second backlight of area 441, the camera lens of the shadow shield 44 for being placed in inner side and the outside of oil can 2 and the second high speed camera 34 form, the
Two backlights 441 are placed in the top of oil can 2 and are arranged in parallel with fixed card slot 24, and camera lens optical axis is along disc platform 1 and mini-roundabout
24 pivot line arrangement, and it is located at the centre position of oil can 2.Shadow shield 44 drops to block the veiling glare of other stations
Low interference.Second backlight 441 and the second high speed camera 34 are fixed on that the station is motionless, and due to emergent stopping, oil can 2 no longer revolves
Turn, but the oil in it is still being rotated at a high speed along original direction, and after oil can 2 reaches station 24P, letter is sent by industrial computer 5
Number high speed camera continuous acquisition multiple image is given, because transparent impurity is random motion under the drive of oil, therefore in image
Middle to occur bright moving image occur in static black background, several figures detect transparent impurity after subtracting each other.
The fixed card slot 25 of polarisation dark field detection unit, polarisation details in a play not acted out on stage, but told through dialogues position 25P is by the exiting parallel large area on the inside of being placed in
3rd backlight 45, it is polarized backlight source (the central shaft side of disc platform 1, by parallel 3rd backlight 45 and polarizer 451
Composition) and face the analyzer in the outside of oil can 2 and the 3rd high speed camera 35 forms, the polarization direction in the polarized backlight source with
Into being arranged vertically, the center line of camera lens is vertical with light source surface for checking bias slice device polarization direction, and disc platform 1 and mini-roundabout 25
Pivot line arrangement, and be located at the centre position of oil can 2.It is motionless that light source camera lens and camera are fixed on the station, due to tight
Jerk is stopped, and oil can no longer rotates, but the oil in it still rotates at a high speed along original direction, after reaching station 25P, by work
Control machine 5 is signaled to the continuous acquisition multiple image of high speed camera 35, because impurity is random motion under the drive of oil, its
Athletic meeting changes the polarization direction of incident light, therefore occurs the bright motion diagram of the appearance in static dark background in the picture
Picture, several figures are detected after subtracting each other to Polarization-Sensitive all kinds of impurity, are surveyed as backlight bright field position 23P and top light details in a play not acted out on stage, but told through dialogues position 24P
The supplement of amount, effectively reduces loss.
The transparent color and luster degree detects fixed card slot 26, and detecting position 26P is by the He of exiting parallel spot light 46 on the inside of being placed in
The optically focused mechanism 361 on the outside of oil can is faced, optical fiber and spectroanalysis instrument 36 form.The center line edge of light source 46 and camera lens 361
The pivot line of disc platform 1 and fixed card slot 26 is arranged, and is located at oil can centre position.Spot light, optically focused mechanism
It is motionless that the station is fixed on spectrometer.The parallel spot light is made up of the good white light of colour rendering and collimation mechanism, described poly-
Ray machine structure 361 assembles the source of parallel light through oil can, and makes to enter optical fiber, and subsequently into spectrometer 36, the spectrometer provides
White light passes through the intensity data of each spectrum after the inside edible oil of kettle 2, and computer-internal is stored with the light of all kinds of standard oils
Spectral intensity data, the color and luster and transmitance data, subsequent rotating disk 22 that oil can oil is drawn after contrast enter unloading position
27P。
Rejecting is generally entered after discharge end 27P and sorts out end, for the oil can containing impurity to be rejected, while oil
Kettle is classified according to color and luster and transmitance data, not in the description scope of this patent, is no longer described in detail.
So far mini-roundabout 22 drives the oil can 2 for filling oil thereon to complete the motion detection process from feed end to discharge end.
Other mini-roundabouts 21,23,24,25,26,27 complete above-mentioned same process, and rotation is reciprocal, realize that automatic production line detects.
The standard color and luster and transparency data include：Colour intensity standard value and transparency standard value；
The colour intensity standard value is QmAnP λ Oxy, the transparency standard value Q mOxSBn；
Wherein, the Qm marks technology category, the An identify color grade, the classification of the Ox marks oil, the Oxy
The oily classification in a certain oils is identified, the SBn identifies transparency levels.
The acquisition methods of the colour intensity standard value and transparency standard value comprise the following steps：
S1, multiple oil storage tanks are set in detection unit, load onto same class oil O1 under same process conditions Q1 one is true
Determine color grade A1 and transparency levels B1 standard oil；
S2, after opening light source by oil storage tank vacant in detection unit, obtain reference spectra signal and store；
S3 and then multiple oil storage tanks equipped with standard oil are passed sequentially through, obtain multiple original spectrum signals；
Q1O1A1B1 standard original spectrum signal is drawn after S4, multiple original spectrum signal averagings, is believed with reference spectra
The standard original spectrum signal calibrated after number being divided by；
S5, load onto in multiple oil storage tanks of detection unit one of same class oil O1 under same process conditions Q1 and determine
Color grade A2 and transparency levels B2 standard oil；
S6, after repeating S2 and S3, Q1O1A2B2 standard original spectrum signal is drawn after multispectral signal averaging, with benchmark
The standard original spectrum signal that spectral signal is calibrated after being divided by；
S7, repeat the mark that said process S5 and S6 draw Q1O1AnBn standard original spectrum signal and calibrated corresponding to it
Quasi- original spectrum signal；
S8, analyze Q1O1A1B1~Q1O1AnBn calibration standard original spectrum signal, draw a certain process conditions Q1
Characteristic spectrum Q1 λ o11, Q1 λ o12...Q1 λ o1n with a certain species oil O1, this feature spectrum be the Q1O1 color and luster and thoroughly
Characteristic spectrum used in lightness judgement；
Same class oil O1 its lower corresponding intensity level Q1A1P λ o11 of every kind of oil under S9, same process conditions Q1,
Q1A1P λ o12...Q1A1P λ o1n are the normal intensity value of the oily color grade A1；And draw features described above spectral region and
Area carried out by intensity is transparency B2 standard value Q1O1SB2；
S10, with can show that the color grade of same class oil O1 under same process conditions Q1 is An standard described in 8 and 9
Intensity level Q1AnP λ o11, Q1AnP λ o12...Q1AnP λ o1n.Similarly draw transparency Bn standard value Q1O1SBn；
S12, repeat said process 1~10, you can draw different technology conditions Qn and variety classes oil On characteristic spectrum
Qn λ on1, Qn λ on2...Qn λ onn, colour intensity value QnAnP λ on1, QnAnP λ on2 ..., QnAnP λ onn, transparency standard
Value QnOnSBn；
Above-mentioned standard value is different technology conditions Qn and variety classes oil On color and luster and the normal data of transparence value
Storehouse.
The one or more technical schemes provided in the embodiment of the present application, have at least the following technical effects or advantages：
1st, the edible oil product transparent color and luster degree impurity detection device provided in the embodiment of the present application, using optical detection side
Formula, the impurity movement locus under motion state is caught, and the impurity state of oil product is judged as index, automaticity is significantly
Lifting, while judgement is also more scientific, reliably, efficiency is also higher.
2nd, the edible oil product transparent color and luster degree impurity detection device provided in the embodiment of the present application, detected using backlight bright field
Three unit, top light dark field detection unit and polarisation dark field detection unit different images information sources detect parsing impurity motion respectively
State and track, the comprehensive of impurity seizure is greatly improved, adapts to all kinds of impurity or the impurity of motion state；The opposing party
Face, it is complementary to one another, effectively reduces loss, so as to greatly promotes detection science and reliability.
3rd, the edible oil product transparent color and luster degree impurity detection device provided in the embodiment of the present application, passes through specific disc
Platform coordinates three specific detection units, realizes the optical detection flow of smoothness, catches comprehensive impurity running orbit, automatically
Change degree is high, and efficiency also greatly promotes.
It should be noted last that above embodiment is merely illustrative of the technical solution of the present invention and unrestricted,
Although the present invention is described in detail with reference to example, it will be understood by those within the art that, can be to the present invention
Technical scheme modify or equivalent substitution, without departing from the spirit and scope of technical solution of the present invention, it all should cover
Among scope of the presently claimed invention.
Claims (10)
- A kind of 1. edible oil product transparent color and luster degree impurity detection device, it is characterised in that including：Oil product delivery unit, transport and drive oil product to be checked to rotate；Backlight bright field detection unit, detection light is projected from oil product side to be checked by backlight, and collect and be emitted from oil product to be checked Light, obtain backlight bright field detection image information；Top light dark field detection unit, detection light is projected from oil product top to be checked by backlight, and perpendicular to detection light incidence side To the light collected from oil product to be checked outgoing, top light dark field detection image information is obtained；Polarisation dark field detection unit, by polarized backlight source from oil product side projected polarisation detection light to be checked, and via analyzer The polarised light from oil product to be checked outgoing is collected, obtains polarisation dark field detection image information；Transparent color and luster degree detection unit, detection signal light is projected from oil product side to be checked by backlight, and collected from oil to be checked The light of product outgoing, analyzes spectral intensity and feature；Detection control and graphics processing unit, examined respectively with the oil product delivery unit, backlight bright field detection unit, top light details in a play not acted out on stage, but told through dialogues Survey unit, polarisation dark field detection unit and transparent color and luster degree detection unit to be connected, the top light for controlling it to act and handling acquisition is dark Field detection image information, polarisation dark field detection image information, polarisation dark field detection image information and spectral information；Wherein, it is dark by the oil product delivery unit to be sequentially transmitted above-mentioned backlight bright field detection unit, top light for the oil product to be checked Field detection unit, polarisation dark field detection unit and transparent color and luster degree detection unit；The oil product to be checked is driven by the oil product delivery unit to be rotated, and in the backlight bright field detection unit, top light details in a play not acted out on stage, but told through dialogues In detection unit and polarisation dark field detection unit rotation status is kept during execution image information acquisition；The polarization direction of Polarization Detection light and analyzer polarization direction are into being arranged vertically.
- 2. edible oil product transparent color and luster degree impurity detection device as claimed in claim 1, it is characterised in that the detection control And graphics processing unit includes：Industrial computer；The industrial computer respectively with the oil product delivery unit, backlight bright field detection unit, top light dark field detection unit and polarisation Dark field detection unit is connected, and drives its perform detection to act.
- 3. edible oil product transparent color and luster degree impurity detection device as claimed in claim 1, it is characterised in that：The backlight bright field Detection unit, top light dark field detection unit and polarisation dark field detection unit, in the operating process for obtaining image information is performed, Continuously acquire multiple images；It is described detection control and graphics processing unit during image procossing is performed, by the backlight bright field detection unit, Multiple continuous generic image subtractions that top light dark field detection unit and polarisation dark field detection unit obtain.
- 4. the edible oil product transparent color and luster degree impurity detection device as described in any one of claims 1 to 3, it is characterised in that institute Stating oil product delivery unit includes：Carrying platform and power set；Fixed card slot is set on the carrying platform, for fixing the oil product to be checked；The power set are motor, and the motor output power drives the carrying platform to act by drive mechanism, will be solid The oil product to be checked being scheduled in the fixed card slot is sent to the oil product delivery unit, backlight bright field detection unit, top light details in a play not acted out on stage, but told through dialogues The corresponding detecting position of detection unit and polarisation dark field detection unit；Wherein, the fixed card slot bottom sets rotatable carrying disk and the motor being attached thereto, and can drive described treat Examine oil product rotation.
- 5. edible oil product transparent color and luster degree impurity detection device as claimed in claim 4, it is characterised in that the carrying platform Including：Disc platform；Drive mechanism is directed or through in the middle part of the disc platform with the output revolving shaft of the motor to be connected so that the circle Disc-shaped platform can rotate along the center portion thereof；Wherein, the oil product delivery unit, backlight bright field detection unit, top light dark field detection unit and polarisation dark field detection unit To with the fixed card slot, being arranged on outside the disc platform.
- 6. edible oil product transparent color and luster degree impurity detection device as claimed in claim 5, it is characterised in that the disc is put down Platform includes：Fixed part and rotation section；The rotation section ring set can rotate on the outside of the fixed part relative to the fixed part；The fixed card slot is arranged on the rotation section；The rotation section is connected with the motor, driven rotation.
- 7. edible oil product transparent color and luster degree impurity detection device as claimed in claim 6, it is characterised in that the backlight bright field Detection unit includes：First high speed camera and the first backlight；First high speed camera described in the first backlight face is set；Wherein, first backlight is fixed on the fixed part；First high speed camera is fixed on the disc and put down Outside platform.
- 8. edible oil product transparent color and luster degree impurity detection device as claimed in claim 6, it is characterised in that the top light details in a play not acted out on stage, but told through dialogues Detection unit includes：Second high speed camera, shadow shield and the second backlight；Second high speed camera described in the shadow shield face is set；Second backlight is suspended above the fixed card slot, is just investing the fixed card slot；Second high speed camera is fixed on outside the disc platform.
- 9. edible oil product transparent color and luster degree impurity detection device as claimed in claim 6, it is characterised in that the polarisation details in a play not acted out on stage, but told through dialogues Detection unit includes：3rd high speed camera, analyzer and the 3rd backlight；3rd high speed camera described in the 3rd backlight face is set；The analyzer is placed in the 3rd high speed camera front end；Wherein, the 3rd backlight is polarized light source, is fixed on the fixed part；3rd high speed camera is fixed on institute State outside disc platform.
- 10. edible oil product transparent color and luster degree impurity detection device as claimed in claim 6, it is characterised in that the color and luster is saturating Lightness detection unit includes：Spot light, optically focused mechanism, conduction optical fiber and spectroanalysis instrument；Optically focused mechanism described in the spot light face, collect the light via the oil product outgoing to be checked and carry out optically focused operation；The optically focused mechanism is connected by the conduction optical fiber with the spectroanalysis instrument；Wherein, the spot light is fixed on the fixed part；The optically focused mechanism is fixed on outside the disc platform.
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| CN201510830354.3A CN105352969B (en) | 2015-11-25 | 2015-11-25 | A kind of edible oil product transparent color and luster degree impurity detection device |
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| CN105973904B (en) * | 2016-04-28 | 2019-02-12 | 南京汇川图像视觉技术有限公司 | A kind of edible oil method for detecting impurities based on image background probability graph |
| CN106770097B (en) * | 2016-12-01 | 2019-06-18 | 广州市盛邦化工科技有限公司 | The detection device of fluorescer in a kind of cleaning product |
| CN113686879A (en) * | 2021-09-09 | 2021-11-23 | 杭州利珀科技有限公司 | Optical film defect visual detection system and method |
| CN113703389A (en) * | 2021-10-29 | 2021-11-26 | 山东西王食品有限公司 | Oil color on-line monitoring and control system |
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