CN105486660B - Utilize the apparatus and method of near infrared spectrum on-line checking solid wood board performance - Google Patents
Utilize the apparatus and method of near infrared spectrum on-line checking solid wood board performance Download PDFInfo
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- CN105486660B CN105486660B CN201510828800.7A CN201510828800A CN105486660B CN 105486660 B CN105486660 B CN 105486660B CN 201510828800 A CN201510828800 A CN 201510828800A CN 105486660 B CN105486660 B CN 105486660B
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- wood board
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- 239000007787 solid Substances 0.000 title claims abstract description 38
- 239000002023 wood Substances 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000002329 infrared spectrum Methods 0.000 title claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 70
- 239000000523 sample Substances 0.000 claims abstract description 53
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 230000007547 defect Effects 0.000 claims abstract description 11
- 238000004458 analytical method Methods 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 238000007405 data analysis Methods 0.000 claims description 3
- 230000002950 deficient Effects 0.000 claims description 3
- 239000004519 grease Substances 0.000 claims description 3
- 238000004611 spectroscopical analysis Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 238000010986 on-line near-infrared spectroscopy Methods 0.000 claims 2
- 239000004744 fabric Substances 0.000 claims 1
- 230000003595 spectral effect Effects 0.000 abstract description 9
- 230000010365 information processing Effects 0.000 abstract description 2
- 238000013480 data collection Methods 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
-
- 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
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3563—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing solids; Preparation of samples therefor
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- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
Using the apparatus and method of near infrared spectrum on-line checking solid wood board performance, the present invention relates to a kind of detection means and method of solid wood board performance.The near infrared gear that it solves array is expensive, and the spectral information on single-point type near infrared gear collection solid wood, the problem of its analysis result inaccuracy.Invention is using single-point type detector analysis solid wood board performance, by realize solid wood board surface data collection with designing traversal device dynamic flexible；By loading the distance measuring sensor between near-infrared probe and solid wood board, control near-infrared probe height, realize that probe and tested sheet material spacing from constant, realize the accuracy that spectral information is expressed.To improve detection speed, judge that solid wood board whether there is defect using camera, if existing defects, its performance will be unsatisfactory for requiring, the solid wood board will be rejected directly, to improve detection speed, it is directly connected to computer and carries out follow-up spectral information processing, the detection of automation reduces artificial waste time and energy.
Description
Technical field
The present invention relates to a kind of detection means and method of solid wood board performance.
Background technology
Chemical composition (such as lignin, cellulose), physical property of timber etc. can be detected using near infrared spectrometer
Content.The constant distance between measured object of popping one's head in is needed when being detected due near infrared detector, therefore is deposited in big batch detection
In the limitation of application inconvenience.
Near infrared detector can be divided into array and the class of single-point type two.The near infrared gear of array can gather multiple spot every time
Near infrared light spectrum information, spectral information is expressed by average treatment.Array is relatively accurate, but expensive.Single-point type is near
Infrared equipment price is relatively cheap, but solid wood has the characteristics of anisotropy, thus simply using single-point type detector with
Spectral information on machine collection solid wood, its analysis result are inaccurate.In addition, the detection of current solid wood board performance only rests on
Laboratory stage, also no on-line monitoring technique can complete the detection of the standard-sized solid wood board of batch.
The content of the invention
It is an object of the invention to provide the apparatus and method using near-infrared spectrum analysis detection solid wood board performance, with solution
Certainly the near infrared gear of array is expensive, and the spectral information on single-point type near infrared gear collection solid wood, and it analyzes knot
The problem of fruit inaccuracy.The object of the present invention is achieved like this：
Apparatus of the present invention include workbench 1, tested sheet material carrying and moving parts 2, near-infrared probe bogey 3, divided
Select part, range unit 4, near-infrared probe height adjusting member 5, near-infrared probe 6, camera 8, clamping device 9, charging flat
Platform 11 and host computer；
Tested sheet material carrying is made up of with moving parts 2 two longitudinal rails, cross slide way and moving parts, and longitudinal direction is led
Rail and cross slide way fixed and arranged are on the upper face of workbench 1；
Near-infrared probe bogey 3 is frame-like and is crossed on tested sheet material carrying and the top of moving parts 2；
Near-infrared probe height adjusting member 5 is suspended on near-infrared probe bogey 3 and adjusts direction perpendicular to work
Make the upper face of platform 1；Range unit 4 and near-infrared probe 6 are arranged on right to obtain its on near-infrared probe height adjusting member 5
The detection direction of the regulation of height, range unit 4 and near-infrared probe 6 points to the upper face of workbench 1；
Tested sheet material carrying on the moving parts of moving parts 2 with being provided with clamping device 9；
The front end of the upper surface of workbench 1 is provided with feeding platform 11, and the top of feeding platform 11 is provided with camera 8, work
The rear end for making the upper surface of platform 1 is provided with flotation-dividing part, and the flotation-dividing part is by the first vertical rod 12-1 and the second vertical rod 12-2 groups
It is fixed on into, the first vertical rod 12-1 and the second vertical rod 12-2 on near-infrared probe bogey 3 and lower end height and clamping device 9
Highly it is adapted, a lower slide-through is respectively provided with the upper face of workbench 1 at the first vertical rod 12-1 and the second vertical rod 12-2 front ends
Road 14, the lower end of sliding channel 14 are provided with outlet on the side elevation of workbench 1；
The host computer is visited with the carrying of tested sheet material and the moving parts, range unit 4, near-infrared of moving parts 2
Grease head highness regulating member 5, camera 8 and clamping device 9 are connected to complete the transmission of order and data.
The method of the present invention comprises the steps：First, tested sheet material 10 is placed on feeding platform 11, first with camera
8 judge that the tested surface of sheet material 10 whether there is defect, and detect the tested width of sheet material 10 and length；Picked if with defect
Remove, do not have defective sheet material to be sent into clamping device 9；
2nd, host computer completes clamping work according to the width adjustment clamping device 9 of the tested sheet material 10 measured；By
Range unit 4 and near-infrared probe height adjusting member 5 automatically adjust the distance between near-infrared probe 6 and tested sheet material, with
Near-infrared probe 6 is completed to detect the single-point for being tested sheet material 10；
3rd, it is tested sheet material carrying transversely to move with longitudinal both direction with the tested sheet material 10 of the control of moving parts 2, realizes
Traversal and information gathering of the near-infrared probe 6 to tested sheet material 10；
4th, the spectroscopic data collected, which is transferred on host computer, carries out data analysis, is classified according to actual conditions；So
It is tested sheet material carrying afterwards to move to flotation-dividing part with the tested sheet material 10 of the control of moving parts 2, clamping device 9 unclamps, stood by first
Bar 12-1 or the second vertical rod 12-2 promotes tested sheet material 10 to slide, and tested sheet material 10 into different sliding channels 14 by completing
Sorting.
It is of the invention that solid wood board performance is analyzed using single-point type detector, can dynamically, flexibly by designing traversal device
The collection of solid wood board surface data is realized on ground, analyzes sheet material mechanical property and its distribution character；Visited by loading near-infrared
Head and the distance measuring sensor between solid wood board, control near-infrared probe height, realize probe with tested sheet material spacing from constant, in fact
The accuracy of existing spectral information expression.To improve detection speed, judge that solid wood board whether there is defect using camera, if depositing
In defect, its performance will be unsatisfactory for requiring, the solid wood board will be rejected directly, and the process will improve detection speed.Take the photograph simultaneously
As head can determine solid wood board width and length, the speed gathered for clamping device and near-infrared probe provides reference with precision
Amount.To improve detection speed, it is directly connected to computer and carries out follow-up spectral information processing, the detection of automation reduces manually time-consuming
Arduously.
The present invention controls constant distance between solid wood board and near-infrared probe by distance measuring sensor, realizes spectral effective
Collection；By traveling through whole solid wood board and setting the sampling interval, complete the high-precision light of solid wood board performance dynamic flexible
Spectrum analysis, draws sheet material mechanical property and its distribution character；Pre-processed by camera, solid wood board is provided for near-infrared collection
Defect sheet material can be rejected while dimension information, realizes the preliminary judgement of solid wood board performance.It is not such on the market at present
Device can realize this function.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.Fig. 2 is that the structure of tested sheet material carrying and moving parts 2 is shown in the present invention
It is intended to.Fig. 3 is the structural representation of clamping device 9.
Embodiment
Embodiment one：Present embodiment is illustrated with reference to Fig. 1 to Fig. 3.Present embodiment device includes
Workbench 1, tested sheet material carrying and moving parts 2, near-infrared probe bogey 3, flotation-dividing part, range unit 4, near-infrared
Probe height adjusting member 5, near-infrared probe 6, camera 8, clamping device 9, feeding platform 11 and host computer；
Tested sheet material carrying is made up of with moving parts 2 two longitudinal rails, cross slide way and moving parts, and longitudinal direction is led
Rail and cross slide way fixed and arranged are on the upper face of workbench 1；
Near-infrared probe bogey 3 is frame-like and is crossed on tested sheet material carrying and the top of moving parts 2；
Near-infrared probe height adjusting member 5 is suspended on near-infrared probe bogey 3 and adjusts direction perpendicular to work
Make the upper face of platform 1；Range unit 4 and near-infrared probe 6 are arranged on right to obtain its on near-infrared probe height adjusting member 5
The detection direction of the regulation of height, range unit 4 and near-infrared probe 6 points to the upper face of workbench 1；
Tested sheet material carrying on the moving parts of moving parts 2 with being provided with clamping device 9；
The front end of the upper surface of workbench 1 is provided with feeding platform 11, and the top of feeding platform 11 is provided with camera 8, work
The rear end for making the upper surface of platform 1 is provided with flotation-dividing part, and the flotation-dividing part is by the first vertical rod 12-1 and the second vertical rod 12-2 groups
It is fixed on into, the first vertical rod 12-1 and the second vertical rod 12-2 on near-infrared probe bogey 3 and lower end height and clamping device 9
Highly it is adapted, a lower slide-through is respectively provided with the upper face of workbench 1 at the first vertical rod 12-1 and the second vertical rod 12-2 front ends
Road 14, the lower end of sliding channel 14 are provided with outlet on the side elevation of workbench 1；
The host computer is visited with the carrying of tested sheet material and the moving parts, range unit 4, near-infrared of moving parts 2
Grease head highness regulating member 5, camera 8 and clamping device 9 are connected to complete the transmission of order and data.
Camera 8 is fixed on by camera bracket 7 on the upper surface of workbench 1.
Tested sheet material carrying and the moving parts of moving parts 2 carry displacement platform using timing belt straight line module.
Clamping device 9 is the grip block 15 being processed into by two pieces of left and right aluminium alloy plate, and two stepper motor (output shafts
For leading screw) and the several major composition such as two sets of slide rails, sliding blocks.Transmission principle is silk after two stepper motors receive control signal
Thick stick axle rotates, and the nut in lead screw shaft will move forward and backward, and two nuts are to be screwed in one with left and right grip block respectively
Rise, left and right grip block can move forward and backward with nut.The most I of clamping device 9 clamping 2cm or so model, maximum can press from both sides
Hold 16cm or so model, strong applicability.
Near-infrared probe height adjusting member 5 includes stepper motor, motor cabinet, slide rail, sliding block, probe socket and a L
Shape supporting plate.The major function of this part is exactly to carry support probe, and can adjust probe height, its transmission principle and clamping
Device is the same.Its overall architecture is solid and reliable on the framework that aluminium alloy extrusions is built.
Embodiment two：Present embodiment is illustrated with reference to Fig. 3.Present embodiment and the phase of embodiment one
Than specifically defining that the grip block 15 is made up of clamping plate 15-1, block 15-2 and gusset piece 15-3, clamping plate 15-1 is fixed on connection
On fishplate bar 15-3 upper surface, block 15-2 is fixed on one end of clamping plate 15-1 length directions, and gusset piece 15-3 is fixed on folder
On the sliding block for holding device 9.It is arranged such, two pieces of arranged opposites of grip block 15, block 15-2 inner surface realizes tested sheet material
10 end face positioning.
Embodiment three：Present embodiment is illustrated with reference to Fig. 3.Present embodiment and embodiment two-phase
Resilient rubbber cushion 15-4 is provided with surface than specifically defining clamping plate 15-1, baffle plate 15-2.It is arranged such, reduces mechanicalness
Damage.
Embodiment four：Present embodiment is illustrated with reference to Fig. 1 to Fig. 3.The method bag of present embodiment
Include following step：
First, tested sheet material 10 is placed on feeding platform 11, judges whether the tested surface of sheet material 10 deposits first with camera 8
In defect, and detect the tested width of sheet material 10 and length；Rejected if with defect, do not have defective sheet material to be sent into clamping dress
Put 9；
2nd, host computer completes clamping work according to the width adjustment clamping device 9 of the tested sheet material 10 measured；By
Range unit 4 and near-infrared probe height adjusting member 5 automatically adjust the distance between near-infrared probe 6 and tested sheet material, with
Near-infrared probe 6 is completed to detect the single-point for being tested sheet material 10；
3rd, it is tested sheet material carrying transversely to move with longitudinal both direction with the tested sheet material 10 of the control of moving parts 2, realizes
Traversal and information gathering of the near-infrared probe 6 to tested sheet material 10；
4th, the spectroscopic data collected, which is transferred on host computer, carries out data analysis, calculates sheet material mechanical property
And its distribution character, and classified according to actual conditions；Then be tested sheet material carrying and the tested sheet material 10 of the control of moving parts 2 to point
Part is selected to move, clamping device 9 unclamps, and promotes tested sheet material 10 to slide by the first vertical rod 12-1 or the second vertical rod 12-2, is tested
Sheet material 10 completes sorting by entering different sliding channels 14.
Embodiment five：Present embodiment specifically defines tested sheet material 10 for woodenly compared with embodiment four
Plate.
Claims (8)
1. utilize the device of near infrared spectrum on-line checking solid wood board performance, it is characterised in that it includes workbench (1), is tested
Sheet material carries high with moving parts (2), near-infrared probe bogey (3), flotation-dividing part, range unit (4), near-infrared probe
Spend regulating member (5), near-infrared probe (6), camera (8), clamping device (9), feeding platform (11) and host computer；
Tested sheet material carrying is made up of with moving parts (2) two longitudinal rails, cross slide way and moving parts, and longitudinal rail
With cross slide way fixed and arranged on the upper face of workbench (1)；
Near-infrared probe bogey (3) is frame-like and is crossed on tested sheet material carrying and the top of moving parts (2)；
Near-infrared probe height adjusting member (5) is suspended on near-infrared probe bogey (3) and adjusts direction perpendicular to work
Make the upper face of platform (1)；Range unit (4) and near-infrared probe (6) be arranged on near-infrared probe height adjusting member (5) with
Obtain its regulation to height, the detection direction of range unit (4) and near-infrared probe (6) points to the upper face of workbench (1)；
Tested sheet material carrying on the moving parts of moving parts (2) with being provided with clamping device (9)；
The front end of workbench (1) upper surface is provided with feeding platform (11), and feeding platform is provided with camera above (11)
(8), the rear end of workbench (1) upper surface is provided with flotation-dividing part, and the flotation-dividing part is by the first vertical rod (12-1) and second
Vertical rod (12-2) forms, the first vertical rod (12-1) and the second vertical rod (12-2) be fixed on near-infrared probe bogey (3) and
Lower end height is adapted with clamping device (9) height, the workbench at the first vertical rod (12-1) and the second vertical rod (12-2) front end
(1) sliding channel (14) is respectively provided with upper face, the lower end of sliding channel (14) is provided with the side elevation of workbench (1)
Outlet；
The host computer is visited with the carrying of tested sheet material and the moving parts, range unit (4), near-infrared of moving parts (2)
Grease head highness regulating member (5), camera (8) and clamping device (9) are connected to complete the transmission of order and data.
2. the device according to claim 1 using near infrared spectrum on-line checking solid wood board performance, it is characterised in that
Camera (8) is fixed on the upper surface of workbench (1) by camera bracket (7).
3. the device according to claim 1 using near infrared spectrum on-line checking solid wood board performance, it is characterised in that
Tested sheet material carrying and the moving parts of moving parts (2) carry displacement platform using timing belt straight line module.
4. the device using near infrared spectrum on-line checking solid wood board performance according to claim 1 or 2 or 3, it is special
Sign be the grip block (15) that clamping device (9) is processed into by two pieces of left and right aluminium alloy plate, two stepper motors, two sets of slide rails and
Sliding block forms.
5. the device according to claim 4 using near infrared spectrum on-line checking solid wood board performance, it is characterised in that
The grip block (15) is made up of clamping plate (15-1), block (15-2) and gusset piece (15-3), and clamping plate (15-1) is fixed on connection
On the upper surface of plate (15-3), block (15-2) is fixed on one end of clamping plate (15-1) length direction, and gusset piece (15-3) is solid
It is scheduled on the sliding block of clamping device (9).
6. the device according to claim 5 using near infrared spectrum on-line checking solid wood board performance, it is characterised in that
Clamping plate (15-1), baffle plate (15-2) surface on be provided with resilient rubbber cushion (15-4).
7. any one described device utilizes on-line near infrared spectroscopy analysis detection solid wood board in application claim 1 to 6
The method of performance, it is characterised in that it comprises the steps：First, tested sheet material (10) is placed on feeding platform (11), first profit
Judge that tested sheet material (10) surface whether there is defect with camera (8), and detect tested sheet material (10) width and length；If
Just rejected with defect, do not have defective sheet material to be sent into clamping device (9)；
2nd, host computer completes clamping work according to the width adjustment clamping device (9) of the tested sheet material (10) measured；By
Range unit (4) and near-infrared probe height adjusting member (5) automatically adjust between near-infrared probe (6) and tested sheet material away from
From to complete single-point detection of the near-infrared probe (6) to tested sheet material (10)；
3rd, it is tested sheet material carrying transversely to move with longitudinal both direction with the tested sheet material (10) of moving parts (2) control, realizes
Near-infrared probe (6) to be tested sheet material (10) dynamic flexible travel through and information gathering；
4th, the spectroscopic data collected, which is transferred on host computer, carries out data analysis, calculates sheet material mechanical property and its divides
Cloth characteristic, classifies according to actual conditions；Then it is tested sheet material carrying and is tested sheet material (10) to sorting portion with moving parts (2) control
Part moves, and clamping device (9) unclamps, and promotes tested sheet material (10) to slide by the first vertical rod (12-1) or the second vertical rod (12-2),
Tested sheet material (10) completes sorting by entering different sliding channels (14).
8. the method according to claim 7 that solid wood board performance is detected using on-line near infrared spectroscopy analysis, its feature
It is that tested sheet material (10) is wood floors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510828800.7A CN105486660B (en) | 2015-11-24 | 2015-11-24 | Utilize the apparatus and method of near infrared spectrum on-line checking solid wood board performance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510828800.7A CN105486660B (en) | 2015-11-24 | 2015-11-24 | Utilize the apparatus and method of near infrared spectrum on-line checking solid wood board performance |
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| CN105486660A CN105486660A (en) | 2016-04-13 |
| CN105486660B true CN105486660B (en) | 2018-03-27 |
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