CN206074440U - A kind of near infrared spectrum automatic on-line detection means - Google Patents
A kind of near infrared spectrum automatic on-line detection means Download PDFInfo
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- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 230000001276 controlling effect Effects 0.000 claims abstract description 10
- 230000001105 regulatory effect Effects 0.000 claims abstract description 10
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- 239000007924 injection Substances 0.000 abstract description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
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- 230000008901 benefit Effects 0.000 description 1
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Abstract
The utility model discloses a kind of near infrared spectrum automatic on-line detection means.The device includes automatic sample conveying system and near infrared spectra collection system.Wherein, automatic sample conveying system includes batch (-type) sample introduction mechanism and the sample rotary mechanism above the batch (-type) sample introduction mechanism, and near infrared spectra collection system includes diffuse-reflectance and the integrated collection light path of diffusing transmission and its light source regulating and controlling mechanism.This utility model novelty proposes two kinds of drainage patterns of integrated diffuse-reflectance and diffusing transmission on a spectrum detection device, there is provided multistation auto injection, realize light-source angle can reconcile measuring samples rotation, improve spectrogrph on-line checking efficiency, more comprehensive sample spectra collection information can be obtained, to scientific research and production there is provided great convenience.
Description
Technical field
This utility model is related to agricultural product quality and safety optical non-destructive detection, more particularly to a kind of diffuse-reflectance and diffusing transmission collection
Into near infrared spectrum auto injection on-line measuring device.
Background technology
In recent years, spectrum detection technique is developed rapidly, and its application also extends to every field.But, current spectrum
Detection means generally adopts single spectra collection mode（Reflection is transmitted）, have no while by two kinds of spectra collection Mode integratings
Detecting instrument；Existing spectrum detection instrument input mode, more using artificial single sample introduction, in particular for scientific research and teaching
Spectrum detection instrument, is not implemented auto injection and on-line checking.Meanwhile, existing instrument is substantially for the spectra collection of sample
The spectral information of collection single area, this is incomplete for the spectral information for obtaining testing sample, to gather single sample
The spectral information in the multiple regions of product needs sample changeover position is resurveyed spectral information again manually, and this will certainly to collecting work
Bring very big inconvenience.
Utility model content
The purpose of this utility model be overcome the shortcoming of existing spectrum detection device with it is not enough, there is provided a kind of diffuse-reflectance and
The integrated near infrared spectrum auto injection on-line measuring device of diffusing transmission, to complete multiple testing sample auto injections, and utilizes
Diffuse-reflectance and diffusing transmission spectra collection realize the spectrum automatic detection to single sample multizone.
For achieving the above object, this utility model is employed the following technical solutions：
A kind of near infrared spectrum automatic on-line detection means, including automatic sample conveying system and near infrared spectra collection system,
Wherein,
The automatic sample conveying system includes underlying batch (-type) sample introduction mechanism and is located at the batch (-type) sample introduction mechanism
The sample rotary mechanism of top；Described near infrared spectra collection system includes diffuse-reflectance and the integrated collection light path of diffusing transmission and light
Source regulating and controlling mechanism；
The batch (-type) sample introduction mechanism includes being provided with the sample introduction rotating disk of multiple sample positions, multiple test tube fixtures, rotating disk and drives
The top of each sample position of disk, the first drive mechanism, wherein sample introduction rotating disk is provided with fixture hole, and bottom is provided with for inserting Sheng sample
The test tube hole of test tube, multiple test tube fixtures are individually positioned in the fixture hole of sample introduction rotating disk, the bottom connection rotating disk of sample introduction rotating disk
Drive disk, the first drive mechanism connection rotating disk drive disk, and Jing rotating disks drive disk drives sample introduction rotating disk and test tube fixture to rotate, the
One drive mechanism operates once, and sample introduction rotating disk rotates first angle, that is, move a sample position, a sample is sent into spectrum and is adopted
Collection station；
The sample rotary mechanism includes the second drive mechanism, cam drive axle, cam drive case, freewheel clutch, convex
Wheel, bevel gear pair, fixture drive shaft, fixture drive disk, the second drive mechanism connect one end of cam drive axle by shaft coupling,
The cam drive axle Jing deep groove ball bearings are installed on cam drive case, and positioned at Jing on the cam drive axle in cam drive case
Freewheel clutch installs cam, one end of the other end Jing bevel gear pair jockey drive shafts of cam drive axle；The cam
Jing cam bawls and push rod connecting shaft bolster；At the middle part two of the fixture drive shaft, Jing deep groove ball bearings are installed on cam respectively
In one end and bearing bracket stand outside transmission case, and the other end of fixture drive shaft is fixedly connected for driving the test tube fixture to turn
Dynamic fixture drive disk；When cam drive axle is rotated forward, freewheel clutch is in drive state, and cam is rotated with cam drive axle
And rotate, and drive bearing bracket stand, fixture drive disk to move downward or upward by cam bawl and push rod, while cam drive axle
Dock with a test tube fixture Jing after bevel gear pair drives fixture drive shaft, the positive turnback of fixture drive disk；When cam drive axle it is anti-
When turning, in state is surmounted, cam can not be transmitted freewheel clutch, and fixture drive disk is not moved up and down, only cam drive axle
Jing bevel gear pairs, fixture drive shaft drive fixture drive disk reversion second angle, it is ensured that fixture drive disk has effect with test tube clamp
Contact；
The diffuse-reflectance and the integrated collection light path of diffusing transmission include spectrogrph, controllable optical path switcher, the first collimating mirror,
Two collimating mirrors, first and second light source, the first and second light source Jing light source regulating and controlling mechanisms are symmetricly set in the spectra collection station
Sheng sample test tube in front of both sides, the first collimating mirror is set up in front of Sheng sample test tube, and the second collimating mirror is set up in Sheng sample test tube rear,
And first and second collimating mirror Jing near-infrareds silica fibre and controllable optical path switcher connection spectrogrph.
The light source regulating and controlling mechanism include the 3rd motor, the 3rd shaft coupling, screw pair, symmetrical four-bar mechanism,
Base, the first screw mandrel frame, the second screw mandrel frame, the first and second screw mandrel frame is mounted on base, and the screw pair
Leading screw warp beam hold and be fixed on first and second screw mandrel frame, contiguous block is fixedly installed on the outside of the travelling nut of the screw pair；
The front end of the symmetrical four-bar mechanism is articulated with the contiguous block, and rear end is articulated with base, and the two of symmetrical four-bar mechanism
Side is respectively provided with first and second light source；3rd motor connects leading screw one end of screw pair, when the 3rd motor
When driving the leading screw of screw pair to rotate, the travelling nut of screw pair drives contiguous block to move forward and backward together, make first,
Two light sources make the rotation of 10-90 degree around the Sheng sample test tube of spectra collection station.
The symmetrical four-bar mechanism includes first, second, third and fourth bar, wherein the middle part of one end of the first bar and the second bar is cut with scissors
Connect, be hinged in the middle part of one end of the 4th bar and the 3rd bar, and the other end adjacent hinge of the other end of the first bar and the 4th bar in
On the contiguous block, one end adjacent hinge of one end of the second bar and the 3rd bar is on the base, and makes first and second bar and the
3rd, four bars are arranged in symmetry status.
The free end of second and third bar of the symmetrical four-bar mechanism fixes first and second light source fixing frame respectively, and described
First, two light sources are fixed on first and second light source fixing frame.
The test tube fixture is located in a fixture circular guideway.
The bottom load-bearing connection taper roll bearing of the rotating disk drive disk, and the bottom connection turn of the rotating disk drive disk
Try to get to the heart of a matter a bearing.
The test tube fixture includes clamp body, spring clip, spring, holding screw, and the middle part of the clamp body arranges section
The putting hole matched with Sheng sample test tube profile, and Jing holding screws arrange spring on the clamp body, the end of spring is arranged to be used
The spring clip of sample test tube is contained in clamping.
The test tube fixture clamping is contained at 2/3 position of sample test tube.
The freewheel clutch is roller-type overrunning clutch, and when the roller-type overrunning clutch is driven, inner ring is rotated forward,
And drive to outer ring；When the roller-type overrunning clutch surmounts, inner ring reversion, it is impossible to drive to outer ring.In this utility model
In embodiment, coordinate the second drive mechanism rotating to be capable of achieving rotating and drive to different institutions, wherein rotate forward driving to cam
And bevel gear pair, invert and only drive to bevel gear pair.
The other end Jing fixtures drive connection part of the fixture drive shaft fixedly mounts the fixture drive disk.
The operating track the week side of boss of the fixture drive shaft arranges the first guide rail.
The characteristics of motion of the driven member of the cam --- cam bawl and push rod is moved for sinusoidal acceleration, cam motion
Circulation has rise, remote not, backhaul, closely stops four-stage, and cam is provided with the transmission interface for coordinating freewheel clutch.
In addition, this utility model additionally provides a kind of control method of above-mentioned near infrared spectrum automatic on-line detection means,
Which comprises the steps：
S1, batch (-type) sample introduction mechanism make rotating disk drive disk rotate first angle, a sample under the driving of the first drive mechanism
Move to spectra collection station；
The positive turnback of second drive mechanism of S2, sample rotary mechanism, freewheel clutch be in drive state, surmount from
Clutch drives cam rotation, and drives fixture drive disk to move downward by cam bawl and push rod, while cam drive axle Jing
Bevel gear pair drives the positive turnback of fixture drive disk, makes fixture drive disk achieve a butt joint with a test tube fixture；
S3, the second drive mechanism reversion of sample rotary mechanism are more than the second angle of 180 degree, and freewheel clutch is in super
More state, cam can not be driven, and cam drive axle Jing bevel gear pairs drive fixture drive disk to rotate backward second angle, and make
Fixture drive disk has effectively connection with test tube clamp, and at this moment starting spectrogrph carries out first time spectra collection；
S4, the second drive mechanism of sample rotary mechanism continue reversion third angle, i.e. fixture drive disk and drive test tube clamp
Tool reversion third angle, then carries out second spectra collection, and and so on repeatedly, carries out multiple spectra collection；
S5, complete multiple spectra collection after, the second drive mechanism of sample rotary mechanism continues reversion, until all reversions
Angle sum is 360。Integral multiple, i.e. sample rotary mechanism return to initial position, and then the positive turnback of the second drive mechanism, makes
Freewheel clutch is in drive state, and freewheel clutch drives cam rotation, and passes through cam bawl and push rod drive fixture drive
Moving plate rises back to initial position, so completes the diverse location spectra collection of a sample；
S6, and then batch (-type) sample introduction mechanism drive lower rotary table drive disk to rotate first jiao again in the first drive mechanism
Next sample is sent into spectra collection station by degree, repeats S2 to S6 steps until completing the light of multiple samples on sample introduction rotating disk
Spectrum collection.
The first angle is 20 degree, and the second angle is 240 degree, and the third angle is 120 degree.
Preferably, in step sl, testing sample sample introduction, to spectra collection station, is judged according to position-detection sensor
Accurate test position whether is reached, if position is inaccurate, after position adjustment to accurately collection position, next step is performed.
Preferably, in step s 4, whether sample rotary mechanism returns to initial position, is sensed according to position detection
Device judges whether to reach initial position, if not initial position, then needs to adjust to initial position and performs next step.
This utility model is had the advantage that and effect compared with prior art：
1st, this utility model two kinds of spectra collection modes of integrated diffuse-reflectance and diffusing transmission on a spectrum detection instrument, are not required to
Additionally to increase auxiliary accessories, facility is provided to the selection of different acquisition mode, expanded range of application of the present utility model.
2nd, this utility model is designed with multistation auto injection mechanism, solves the tedious steps of artificial individually sample introduction, carries
High spectra collection efficiency.
3rd, this utility model is designed with sample rotary mechanism, can during spectra collection rotary sample, realize sample not
Gather with the spectral information in region, obtain more comprehensive spectral information.
4th, this utility model is designed with first and second light source, and which can be 10。～90。In the range of adjust light source angle in high precision
Degree, provides great convenience to the research of light-source angle, while spectral information more high-quality can be made.
Description of the drawings
Fig. 1 is the integrated near infrared spectrum auto injection on-line measuring device of a kind of diffuse-reflectance of this utility model and diffusing transmission
Complete machine structure schematic diagram.
Fig. 2 is this utility model batch (-type) sample introduction mechanism holding test tubes fixture and the structural representation for containing sample test tube.
Fig. 3 is that this utility model batch (-type) sample introduction mechanism removes sample introduction rotating disk and the structural representation after rotating disk drive disk.
Fig. 4 is this utility model test tube fixture dimensional structure diagram.
Fig. 5 is this utility model sample rotary mechanism running part dimensional structure diagram.
Fig. 6 is that this utility model sample rotary mechanism running part removes the structural representation after the end cap of cam drive case
Figure.
Fig. 7 is this utility model sample rotary mechanism running part structure cross-sectional schematic.
Fig. 8 is this utility model diffuse-reflectance and the integrated collection light path schematic diagram of diffusing transmission.
Fig. 9 is this utility model light source regulating and controlling mechanism structural representation.
Figure 10 is another angled arrangement schematic diagrams of Fig. 9.
Figure 11 is this utility model spectra collection workflow diagram.
Specific embodiment
This utility model is described in further detail with reference to embodiment and accompanying drawing, but enforcement of the present utility model
Mode not limited to this.
As shown in figure 1, the integrated near infrared spectrum auto injection on-line checking of a kind of diffuse-reflectance of the present embodiment and diffusing transmission
Device, including automatic sample conveying system and near infrared spectra collection system；Described automatic sample conveying system includes underlying
Formula of having a rest sample introduction mechanism 1 and the sample rotary mechanism 2 above batch (-type) sample introduction mechanism 1；Described near infrared spectra collection system
System includes diffuse-reflectance and the integrated collection light path of diffusing transmission 4（As shown in Figure 8）And light source regulating and controlling mechanism 5.
As shown in figs 2-4, the batch (-type) sample introduction mechanism 1 includes the sample introduction rotating disk 11,18 for being provided with 18 sample positions
Test tube fixture 12, fixture circular guideway 13, rotating disk drive disk 14, taper roll bearing 15, the first decelerator 16, the first stepping electricity
Machine 17, rotary base bearing 19 and various pattern panel beating framves 20.The top of wherein each sample position of sample introduction rotating disk 11 is provided with
For the fixture hole of holding test tubes fixture 12, bottom is provided with for inserting the test tube hole for containing sample test tube 3,12 points of multiple test tube fixtures
It is not placed in the fixture hole of sample introduction rotating disk 11, the bottom of sample introduction rotating disk 11 connects rotating disk drive disk 14, rotating disk drive disk 14
Bottom load-bearing connection taper roll bearing 15, to prevent artificial maloperation from toppling, connection turns simultaneously for the bottom of rotating disk drive disk 14
Try to get to the heart of a matter a bearing 19.The rotating shaft of 17 the first decelerators of Jing 16 of the first motor and flat key connection rotating disk drive disk 14, so as to band
Dynamic rotating disk drive disk 14, sample introduction rotating disk 11 and test tube fixture 12 are rotated.Various pattern panel beating framves 20 are accepted the first decelerator 16, are turned
Try to get to the heart of a matter a bearing 19, fixture circular guideway 13, taper roll bearing 15.First motor 17 often takes a step forward, sample introduction rotating disk
One sample is delivered to spectra collection station by the first angle of 11 20 degree of movements.
Described test tube fixture 12 includes clamp body 121, spring clip 122, spring 123, holding screw 124.The fixture
The putting hole 125 that the middle part setting section of body 121 is matched with 3 profile of Sheng sample test tube wears placement in order to contain sample test tube 3, and
On the clamp body 121, Jing holding screws 124 arrange spring 123, and the end of spring 123 arranges spring clip 122.The clamp body
121 top is arranged and is docked with fixture drive disk 30 and the first symmetrical projection 126.When sample test tube 3 is contained in the clamping of clamp body 121
When, spring clip 122 and spring 123 are used to clamp contains sample test tube 3, and holding screw 124 is used for limit spring 123.The test tube clamp
When sample test tube 3 is contained in 12 clamping of tool, enter from 3 top of sample test tube is contained, and make the clamping of clamp body 121 contain 2/3 position of sample test tube 3 with
Upper part, to ensure not block the spectra collection part for containing sample test tube 3.
As shown in Figure 5-Figure 7, the sample rotary mechanism 2 includes the second motor 21, second shaft coupling 22, cam
Power transmission shaft 23, cam drive case 24, freewheel clutch 25, cam 26, bevel gear pair 27, fixture drive shaft 28, the first guide rail 29,
Fixture drive disk 30.Second motor 21 connects cam drive axle 23 by second shaft coupling 22, and the two of cam drive axle 23
Jing deep groove ball bearings 31 are held to be installed on cam drive case 24, and it is super positioned at Jing on the cam drive axle 23 in cam drive case 24
More clutch 25 installs cam 26, one end of the 27 jockey drive shaft 28 of other end Jing bevel gear pairs of cam drive axle 23.
26 Jing cam bawls of the cam and the connection bearing bracket stand 33 of push rod 32.Jing deep-groove balls are distinguished at the middle part two of the fixture drive shaft 28
Bearing 31 is installed in the one end outside cam drive case 24 and bearing bracket stand 33, and the other end Jing fixtures of fixture drive shaft 28 drive
Connector 34 is fixedly mounted for driving the fixture drive disk 30 of test tube fixture 12.To make fixture drive disk 30 in planned orbit
Accurate to operate, the operating track the week side of boss of fixture drive shaft 28 arranges the first guide rail 29.The bottom of the fixture drive disk 30 be provided with
The second projection 35 that first projection 126 of test tube fixture 12 matches, when fixture drive disk 30 is effectively docked with test tube fixture 12
When, the second projection 35 is contradicted with the first projection 126, thus 35 energy nationality of the second projection drives test tube fixture 12 by the first projection 126.
The freewheel clutch 25 used in the present embodiment be roller-type overrunning clutch, not self-locking when which surmounts, i.e., including
During circle reversion, outer ring is motionless, realizes surmounting；During its transmission, inner ring is rotated forward, and outer ring accordingly rotates forward, and realizes transmission.
When the sample rotary mechanism 2 works, the second motor 21 is driven by second shaft coupling 22 by setting process
23 rotating of cam drive axle.When cam drive 23 positive turnback of axle, the inner ring of freewheel clutch 25 is rotated forward, and can be driven to
Outer ring, and then drive bearing bracket stand 33, fixture drive disk 30 to move down by cam 26, cam bawl and push rod 32, while convex
Wheel shaft 23 makes fixture drive disk 30 Jing after bevel gear pair 27, fixture drive shaft 28 drive 30 positive turnback of fixture drive disk
The second projection 35 and test tube fixture 12 the first projection 126 in it is relative block set position；When cam drive axle 23 is inverted, surpass
More the inner ring reversion of clutch 25, can not be driven outer ring, thus fixture drive disk 30 can not be moved up and down, only cam drive axle
23 Jing bevel gear pairs 27, fixture drive shaft 28, fixture drive connection part 34 drive fixture drive disk 30 to invert 240 degree（Second jiao
Degree）, to ensure the second projection 35 of fixture drive disk 30 and 126 effective contact of the first projection of test tube fixture 12.
As shown in figure 8, the diffuse-reflectance and the integrated collection light path of diffusing transmission 4 mainly include that spectrogrph 41, controllable light path are cut
Parallel operation 42, baffle plate 43, the first collimating mirror 44, the second collimating mirror 45, near-infrared silica fibre 46 and light source module 47.The light source
Module 47 is included for light unit 471 and first and second light source 472,473, and the confession light unit 471 connects first and second light source
472、473.First and second light source 472,473 is symmetricly set in the front two for containing sample test tube 3 of the spectra collection station
Side, and first and second light source 472,473 arranged towards the Sheng sample test tube 3 of spectra collection station.First collimating mirror 44 is set up in
The front of sample test tube 3 is contained, for receiving the reflectance spectrum information of sample；Second collimating mirror 45 is set up in the rear for containing sample test tube 3,
For receiving the transmitted spectrum information of sample.First and second collimating mirror 44,45 is connected to described by the near-infrared silica fibre 46
Controllable optical path switcher 42, the controllable optical path switcher 42 equally adopt the near-infrared silica fibre with the spectrogrph 41
46 connections, for switching the spectral information that collection first and second collimating mirror 44,45 is received.
As shown in Figure 9, Figure 10, the light source regulating and controlling mechanism 5 is used for the irradiating angle for adjusting first and second light source 472,473,
And the light source regulating and controlling mechanism 5 includes the 3rd motor 51, the 3rd shaft coupling 52, screw pair 53, symmetrical four-bar mechanism
54th, first and second light source fixing frame 55,56, and base 57, light source panel beating underframe 58, the first screw mandrel frame 59, the second screw mandrel frame 60.
The first screw mandrel frame 59, the second screw mandrel frame 60 are mounted on base 57, and the leading screw warp beam of the screw pair 53
Hold and be fixed on first and second screw mandrel frame 59,60, on the outside of the travelling nut of the screw pair 53, be fixedly connected block 61, connect
The two ends of block 61 are slideably positioned on the balance gag lever post 62 of the leading screw both sides of screw pair 53.The symmetrical four-bar mechanism 54
Including first, second, third and fourth bar 541,542,543,544, wherein one end of the first bar 541 is hinged with the middle part of the second bar 542,
One end of 4th bar 54 is hinged with the middle part of the 3rd bar 543, and the other end phase of the other end of the first bar 541 and the 4th bar 544
Neighbour is articulated with the contiguous block 61, one end of the second bar 542 and one end adjacent hinge of the 3rd bar 543 on base 57, and
First and second bar 541,542 is made to arrange in symmetry status with third and fourth bar 543,544.3rd motor 51 is installed and is fixed
On the light source panel beating underframe 58, and the base 57 is fixed by bolts on the light source panel beating underframe 48.Described 3rd
Motor 51 connects leading screw one end of screw pair 53 by the 3rd shaft coupling 52, and the of the symmetrical four-bar mechanism 54
2nd, the free end of three bars 542,543 fixes first and second light source fixing frame 55,56 respectively, first and second light source 472,
473 are secured by bolts on first and second light source fixing frame 55,56.When the 3rd motor 51 drives screw pair
When 53 leading screw is rotated, the travelling nut of screw pair 53 is movable with the rotation of leading screw, while driving contiguous block 61
Move forward and backward together, so that the 54 forward and backward movement of symmetrical four-bar mechanism, while making first and second light source 472,473 adopt around spectrum
The Sheng sample test tube of collection station makees the rotation of 10-90 degree.
As shown in figure 11, the integrated near infrared spectrum auto injection on-line checking of a kind of diffuse-reflectance of the present embodiment and diffusing transmission
The control method of device, comprises the steps：
S1, place testing sample after, batch sampling mechanism（1）In the case where the first drive mechanism drives, rotating disk drive disk is made
（14）Rotate 20。（First angle）, make first sample enter spectra collection station（Whether testing sample is sent to spectrum
Collection station, is to judge rotating disk drive disk according to position-detection sensor（14）Whether turn to specified angle to reach accurately
The position adjustment of rotating disk drive disk is gathered position to accurate come what is judged if position is inaccurate by test position）；
S2, second motor 21 of sample rotary mechanism 2 rotate forward 180。, freewheel clutch 25 is in drive state, super
More 25 inner ring of clutch drives outer ring rotating, outer ring band moving cam 26 to rotate and make fixture drive disk 30 move downward 10mm, while
23 Jing bevel gear pairs of cam drive axle 27 drive fixture drive disk 30 to rotate forward 180。, so that fixture drive disk 30 and test tube fixture 12
Transmission interface docking；
The reversion of second motor 21 240 of S3, sample rotary mechanism 2。's（Second angle）, freewheel clutch 25 is in
Surmount state, outer ring is not rotated with inner ring, and cam 26 is consequently also motionless, 23 Jing bevel gear pairs of cam drive axle 27 drive fixture to drive
Moving plate 30 rotates backward 240。（Second angle）, and make fixture drive disk 30 and 12 effective contact of test tube fixture（Second projection 35
Contradict with the first projection 126, and 35 energy nationality of the second projection drives test tube fixture 12 by the first projection 126）, and start spectrogrph 41
Carry out first time spectra collection；
S4, second motor 21 of sample rotary mechanism 2 continue reversion 120。（Third angle）, i.e. fixture drive disk 30
12 gap of test tube fixture is driven to rotate, often inverting a third angle can carry out a spectra collection（Can as needed voluntarily
Setting times of collection and pickup area, you can voluntarily adjust the third angle of reversion every time）；
S5, complete multi collect after, the second motor 21 of sample rotary mechanism 2 also needs to complete reversion, until all
Reversion sum is 360。Integral multiple, even if sample rotary mechanism returns to initial position, then the second motor 21 rotates forward 180。,
Make fixture drive disk rise 10mm and return to initial position, that is, complete the diverse location spectra collection of a sample.
S6, and then batch (-type) sample introduction mechanism 1 drive lower rotary table drive disk 14 to rotate 20 again in the first motor 17。
（First angle）, next sample is sent into into spectra collection station, repeats S2 to S6 steps until completing the spectrum of 18 samples
Collection.
Above-described embodiment is the most frequently used embodiment of this utility model, but embodiment of the present utility model is not by upper
State the restriction of embodiment, other it is any without departing from thought of the present utility model essence with principle under made change, modify, replace
Generation, combination, simplification should be equivalent substitute mode, should all be included within protection domain of the present utility model.
Claims (8)
1. a kind of near infrared spectrum automatic on-line detection means, including automatic sample conveying system and near infrared spectra collection system, its
It is characterised by,
The automatic sample conveying system includes batch (-type) sample introduction mechanism（1）With positioned at the batch (-type) sample introduction mechanism（1）The sample of top
Product rotating mechanism（2）；The near infrared spectra collection system includes diffuse-reflectance and the integrated collection light path of diffusing transmission（4）And light source is adjusted
Control mechanism（5）；
The batch (-type) sample introduction mechanism（1）Including the sample introduction rotating disk for being provided with multiple sample positions（11）, multiple test tube fixtures（12）, turn
Dish driving disk（14）, the first drive mechanism, wherein sample introduction rotating disk（11）The top of each sample position be provided with fixture hole, bottom sets
Have sample test tube is contained for inserting（3）Test tube hole, multiple test tube fixtures（12）It is individually positioned in sample introduction rotating disk（11）Fixture hole
In, sample introduction rotating disk（11）Bottom connection rotating disk drive disk（14）, the first drive mechanism connection rotating disk drive disk（14）, and Jing turn
Dish driving disk（14）Drive sample introduction rotating disk（11）And test tube fixture（12）Rotate, the first drive mechanism operates once, sample introduction rotating disk
（11）First angle is rotated, that is, is moved a sample position, a sample is sent into into spectra collection station；
The sample rotary mechanism（2）Including the second drive mechanism, cam drive axle（23）, cam drive case（24）, surmount from
Clutch（25）, cam（26）, bevel gear pair（27）, fixture drive shaft（28）, fixture drive disk（30）, the connection of the second drive mechanism
Cam drive axle（23）One end, the cam drive axle（23）Jing deep groove ball bearings are installed on cam drive case（24）On, and position
In cam drive case（24）Interior cam drive axle（23）Upper Jing freewheel clutches（25）Cam is installed（26）, cam drive axle
（23）Other end Jing bevel gear pairs（27）Jockey drive shaft（28）One end；The cam（26）Jing cam bawls and push away
Bar（32）It is fixedly connected bearing bracket stand（33）；The fixture drive shaft（28）Middle part two at respectively Jing deep groove ball bearings be installed on it is convex
Wheel transmission case（24）Outside one end and bearing bracket stand（33）It is interior, and fixture drive shaft（28）The other end be fixedly connected for driving
The test tube fixture（12）Fixture drive disk（30）；Cam drive axle（23）During rotating forward, freewheel clutch（25）In transmission
State, cam（26）With cam drive axle（23）Rotate and rotate, and pass through cam bawl and push rod（32）Drive bearing bracket stand
（33）, fixture drive disk（30）Move downward or upward, while cam drive axle（23）Jing bevel gear pairs（27）Fixture is driven to drive
Moving axis（28）, fixture drive disk（30）With a test tube fixture after positive turnback（12）Docking；Cam drive axle（23）During reversion,
Freewheel clutch（25）In when surmounting state, cam（26）Can not be transmitted, fixture drive disk（30）Do not move up and down, only
Cam drive axle（23）Jing bevel gear pairs（27）, fixture drive shaft（28）Drive fixture drive disk（30）Reversion second angle, makes
Fixture drive disk（30）With test tube fixture（12）Effective contact；
The diffuse-reflectance and the integrated collection light path of diffusing transmission（4）Including spectrogrph（41）, the first collimating mirror（44）, the second collimating mirror
（45）, first and second light source（472、473）, first and second light source（472、473）Jing light source regulating and controlling mechanisms（5）It is symmetricly set in
The Sheng sample test tube of the spectra collection station（3）Front both sides, the first collimating mirror（44）It is set up in front of Sheng sample test tube, second is accurate
Straight mirror（45）It is set up in Sheng sample test tube rear, and first and second collimating mirror（44、45）Connection spectrogrph（41）；
The light source regulating and controlling mechanism（5）Including base（57）And screw pair（53）, the base（57）Upper installation fixes the
First, two screw mandrel frame（59、60）, and the screw pair（53）Leading screw warp beam hold and be fixed on first and second screw mandrel frame（59、60）
On, the screw pair（53）Travelling nut on the outside of contiguous block is fixedly installed（61）；One symmetrical four-bar mechanism（54）Before
End is articulated with the contiguous block（61）On, rear end is articulated with base（57）On, and symmetrical four-bar mechanism（54）Both sides set respectively
Put first and second light source（472、473）；One the 3rd motor（51）Connection screw pair（53）Leading screw one end, when
3rd motor（51）Drive screw pair（53）Leading screw rotate when, screw pair（53）Travelling nut drive connect
Connect block（61）Move forward and backward together, make first and second light source（472、473）Sheng sample test tube around spectra collection station is rotated.
2. a kind of near infrared spectrum automatic on-line detection means according to claim 1, it is characterised in that described symmetrical four
Linkage（54）Including first, second, third and fourth bar（541、542、543、544）, wherein the first bar（541）One end and the second bar
（542）Middle part be hinged, the 4th bar（544）One end and the 3rd bar（543）Middle part be hinged, and the first bar（541）It is another
End and the 4th bar（544）Other end adjacent hinge in the contiguous block（61）On, the second bar（542）One end and the 3rd bar
（543）One end adjacent hinge in the base（57）On, and make first and second bar（541、542）With third and fourth bar（543、
544）Arrange in symmetry status.
3. a kind of near infrared spectrum automatic on-line detection means according to claim 2, it is characterised in that described symmetrical four
Linkage（54）Second and third bar（542、543）Free end fix first and second light source fixing frame respectively（55、56）, described
First, two light source（472、473）It is fixed on first and second light source fixing frame（55、56）On.
4. a kind of near infrared spectrum automatic on-line detection means according to claim 1, it is characterised in that the test tube clamp
Tool（12）Positioned at a fixture circular guideway（13）It is interior.
5. a kind of near infrared spectrum automatic on-line detection means according to claim 1, it is characterised in that the test tube clamp
Tool（12）Including clamp body（121）, spring clip（122）, spring（123）, holding screw（124）, the clamp body（121）In
Portion arranges section and contains sample test tube（3）Jing holding screws on the putting hole that profile matches, and the clamp body（124）Spring is set
（123）, the end of spring is provided for clamping and contains sample test tube（3）Spring clip（122）.
6. a kind of near infrared spectrum automatic on-line detection means according to claim 5, it is characterised in that the test tube clamp
Tool（12）Sample test tube is contained in clamping（3）2/3 position at.
7. a kind of near infrared spectrum automatic on-line detection means according to claim 1, it is characterised in that it is described surmount from
Clutch（25）For roller-type overrunning clutch, when the roller-type overrunning clutch is driven, inner ring is rotated forward, and drives to outer ring；
When the roller-type overrunning clutch surmounts, inner ring reversion, it is impossible to drive to outer ring.
8. a kind of near infrared spectrum automatic on-line detection means according to claim 1, it is characterised in that the fixture drives
Moving axis（28）Other end Jing fixture drive connection parts（34）Fixedly mount the fixture drive disk（30）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621092095.5U CN206074440U (en) | 2016-09-30 | 2016-09-30 | A kind of near infrared spectrum automatic on-line detection means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621092095.5U CN206074440U (en) | 2016-09-30 | 2016-09-30 | A kind of near infrared spectrum automatic on-line detection means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206074440U true CN206074440U (en) | 2017-04-05 |
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ID=58439374
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
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| Country | Link |
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| CN (1) | CN206074440U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110320175A (en) * | 2019-07-04 | 2019-10-11 | 中南林业科技大学 | A kind of near-infrared spectrum detection device and control method |
| CN114295632A (en) * | 2021-11-30 | 2022-04-08 | 国高材高分子材料产业创新中心有限公司 | Method for detecting pollutants on surface of waste plastic |
-
2016
- 2016-09-30 CN CN201621092095.5U patent/CN206074440U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110320175A (en) * | 2019-07-04 | 2019-10-11 | 中南林业科技大学 | A kind of near-infrared spectrum detection device and control method |
| CN114295632A (en) * | 2021-11-30 | 2022-04-08 | 国高材高分子材料产业创新中心有限公司 | Method for detecting pollutants on surface of waste plastic |
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Granted publication date: 20170405 |