CN205656125U - A liquid detection device for near infrared spectroscopy analysis appearance - Google Patents
A liquid detection device for near infrared spectroscopy analysis appearance Download PDFInfo
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- CN205656125U CN205656125U CN201620489511.9U CN201620489511U CN205656125U CN 205656125 U CN205656125 U CN 205656125U CN 201620489511 U CN201620489511 U CN 201620489511U CN 205656125 U CN205656125 U CN 205656125U
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- 238000001514 detection method Methods 0.000 title claims abstract description 40
- 238000004458 analytical method Methods 0.000 title abstract description 9
- 239000007788 liquid Substances 0.000 title abstract description 8
- 238000004497 NIR spectroscopy Methods 0.000 title abstract 2
- 238000012360 testing method Methods 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 238000012935 Averaging Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 238000005070 sampling Methods 0.000 abstract 1
- 239000000523 sample Substances 0.000 description 73
- 230000008901 benefit Effects 0.000 description 3
- 238000002329 infrared spectrum Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013068 control sample Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- -1 feedstuff Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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Abstract
The utility model discloses a liquid detection device for near infrared spectroscopy analysis appearance, including interior logical unthreaded hole, semitransparent mirror piece, sample test tube, sample fixed slot, sample channel detector, air channel detector and guide rail, interior logical unthreaded hole, semitransparent mirror piece and sample channel detector arrange and constitute the sample test light path point -blank that air channel detector sets up the one side at the semitransparent mirror piece for receive the reverberation of semitransparent mirror piece, the sample fixed slot wherein is equipped with the through -hole that the transmitted light that is used for making the semitransparent mirror piece passes through on two sides, examines time measuring, and the sample test tube is placed in the sample fixed slot, and the position of sample fixed slot on the guide rail is adjustable. The utility model discloses an establish foretell sample test light path, can realize the detection to liquid, through setting up the sample fixed slot on the guide rail, can realize the detection to the different positions of same sample to be convenient for improve data validity through the method of averaging of sampling many times at the back.
Description
Technical field
This utility model belongs to near-infrared spectrometers research field, is specifically related to a kind of near infrared spectrum
The liquid-detecting of analyser.
Background technology
Near-infrared (NIR) spectrum detection technique is the most rapid a kind of high-new analysis and testing technology of development in recent years,
Compared with traditional analysis instrument, near-infrared spectrometers have Non-Destructive Testing, analysis efficiency is high, it is fast to analyze speed,
The unique advantages such as analysis cost is low, favorable reproducibility.
Near-infrared spectrum analysis is mainly by the testee surface absorption characteristic to fixed wave length near infrared light
Carry out the analysis of various content of material.Current near-infrared spectrum analysis is mainly used in the solid such as feedstuff, soil
, as detected liquid, then there is the defect that accuracy of detection is the highest in the content detection of material.
To this end, seek one to can be used for near-infrared spectrometers, and the dress of degree of precision liquid detecting can be carried out
Put and there is important practical value.
Utility model content
The purpose of this utility model is that the shortcoming overcoming prior art is with not enough, it is provided that a kind of near infrared light
The liquid-detecting of spectrometer, this device is by optimizing original light path, it is possible to achieve the detection to liquid,
Simultaneously by using motor and leading screw, it is possible to achieve the detection of same sample diverse location, and then after being easy to
Continue by the way of being repeatedly averaging, determine detected value, increase substantially accuracy of detection.
The purpose of this utility model is achieved through the following technical solutions:
A kind of liquid-detecting for near-infrared spectrometers, including interior light hole, semi-transparent semi-reflecting eyeglass,
Sample tube, sample fix groove, sample channel detector, air duct detector and guide rail, described interior logical
Unthreaded hole, semi-transparent semi-reflecting eyeglass and sample channel detector arrangement point-blank form sample test light path, institute
State air duct detector and be arranged on the side of semi-transparent semi-reflecting eyeglass, for receiving the reflection light of semi-transparent semi-reflecting eyeglass；
Described sample is fixed groove two of which side and is provided with the through hole for making the transmission light of semi-transparent semi-reflecting eyeglass pass through,
During detection, described sample tube is placed on described sample and fixes in groove, and groove position on guide rail fixed by sample can
Adjust.This utility model is by setting up above-mentioned sample test light path, it is possible to achieve the detection to liquid, by inciting somebody to action
Sample is fixed groove and is arranged on guide rail, it is possible to achieve the detection to same sample diverse location.
Preferably, described liquid-detecting includes that motor and leading screw, described sample are fixed groove and be fixed on and lead
On slide block on rail, slide block side is connected with leading screw simultaneously, guide rail and leading screw horizontal direction parallel；Described leading screw
Being connected with motor, motor drives screw turns.Described slide block and leading screw match, screw turns
Band movable slider moves horizontally on guide rail with leading screw simultaneously, thus drives sample tube to move, it is achieved be automatically positioned.
Preferably, the infrared optocoupler for localizing sample test tube position it is provided with in guide rail side.Infrared optocoupler is compared
Higher in traditional Hall element precision.
Preferably, described liquid-detecting also includes a camera bellows, is provided with on camera bellows top for putting into sample examination
The upper plate sample port of pipe, is provided with outer light hole with interior light hole opposite position on camera bellows.Such that it is able to reduce
The interference of ambient light, is effectively improved accuracy of detection.
Further, described sample is fixed and is provided with dark slide between groove and upper plate sample port.At sample tube
Entrance detecting position postpones, and dark slide will transmit through the light of upper plate sample port and blocks, thus can shield outside further
Light disturbs, and improves accuracy of detection.
Preferably, described sample tube is rectangular shape, makes detection light not reflect when by test tube,
Thus improve light utilization, reduce refraction loss.
Concrete, described liquid-detecting includes base, and the first support being fixed on base, described
First internal stent hollow, semi-transparent semi-reflecting eyeglass is arranged on inside it, and interior light hole is arranged on the first support side,
Become 45 degree of angles with semi-transparent semi-reflecting eyeglass optical axis direction, have for installing air duct at the first support opposite side
First installing hole of detector.
Further, described base being additionally provided with the second support and rail brackets, sample channel detector is installed
On the secondary support bracket；Described guide rail is fixed on rail brackets, and described motor is fixed on the second support and leads
On base between rail support.
This utility model compared with prior art, has the advantage that and beneficial effect:
1, this utility model is by setting up sample test light path, can carry out liquid based on near-infrared spectrometers
Health check-up is surveyed, and is arranged on guide rail by sample is fixed groove simultaneously, can be under ensureing kinestate, and sample tries
Pipe plane and the perpendicularity of detection light, improve the detection repeatability in guide rail direction simultaneously, can be by repeatedly asking
Average mode determines detected value, increases substantially accuracy of detection.
2, this utility model uses the structure that jointly controls of motor and leading screw that sample is fixed groove at guide rail
On position be accurately controlled, improve the automaticity of device.
3, this utility model uses infrared optocoupler to position, and has the advantage that positioning precision is high, and then can carry
High measurement accuracy.
4, this utility model sample is fixed groove and is arranged above dark slide, enters detecting position at sample tube and postpones,
The light of upper plate sample port is blocked by dark slide, makes darkroom shield extraneous light interference completely, improves inspection further
Survey precision.
5, in this utility model, sample tube circular in prior art has been changed the sample of rectangular shape
Test tube, makes detection light not reflect when by test tube, thus improves light utilization, promotes detection
Precision.
Accompanying drawing explanation
Fig. 1 is the present embodiment camera bellows schematic appearance；
Fig. 2 is the structural representation of the present embodiment holding state；
Fig. 3 is the top view of Fig. 2；
Fig. 4 is the structural representation of the present embodiment detection state.
In Fig. 1-Fig. 4: 1-upper plate sample port；The outer light hole of 2-；The semi-transparent semi-reflecting eyeglass of 3-；Groove fixed by 4-sample；
5-slide block；6-sample tube；7-dark slide；The infrared optocoupler of 8-；Light hole in 9-；10-sample channel detector；
11-air duct detector；12-leading screw；13-motor；14-guide rail.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, this utility model is described in further detail, but of the present utility model
Embodiment is not limited to this.
See Fig. 1-4, a kind of liquid-detecting for near-infrared spectrometers described in the present embodiment, bag
Include camera bellows and be arranged on other devices within camera bellows.Described camera bellows is provided with upper plate sample port 1 and outer light hole
2.Include inside camera bellows: interior light hole 9, semi-transparent semi-reflecting eyeglass 3, sample tube 6, sample fix groove 4,
Dark slide 7, slide block 5, guide rail 14, motor 13, leading screw 12, infrared optocoupler 8, sample channel detect
Device 10 and air duct detector 9.
In the present embodiment, outer light hole 2, interior light hole 9, semi-transparent semi-reflecting eyeglass 3 and sample channel detector
10 arrange composition sample test light path point-blank, and air duct detector 9 is arranged in and sample test
On the direction that light path is vertical.
In the present embodiment, liquid-detecting is provided with base, and base is provided with the first support, the second support and leads
Rail support, the first internal stent hollow, semi-transparent semi-reflecting eyeglass is arranged on inside it, and interior light hole is arranged on first
Support side, becomes 45 degree of angles with semi-transparent semi-reflecting eyeglass optical axis direction, has for pacifying at the first support opposite side
First installing hole of dress air duct detector.Sample channel detector is installed on the secondary support bracket.Described guide rail
Being fixed on rail brackets, described motor is fixed on the base between the second support and rail brackets.
Sample tube 6 is arranged on sample and fixes on groove 4, and sample fixes that groove 4 and slide block 5 is fixing to be connected.Described
Having holes on slide block 5, guide rail 14 passes through first hole, and leading screw 12 passes through second hole, leads
Rail 14 and leading screw 12 horizontal direction parallel.Described leading screw 12 is connected with motor 13, motor
The rotation of 13 rotational band movable wire thick sticks 12, then slide block 5 and leading screw 12 match, and make slide block 5 at guide rail 14
On accurately move, thus drive sample tube 6 to move.The side of guide rail 14 is also equipped with infrared optocoupler
8, it is used for being accurately positioned the position of sample.
The use state of the liquid-detecting of described near-infrared spectrometers includes holding state and detection shape
State.Holding state as in figure 2 it is shown, detection sample is placed in sample tube 6 by upper plate sample port 1, sample
Product test tube 6 is with sample detection light path the most point-blank；Motor 13 rotational band movable wire thick stick 12 afterwards
Rotation make slide block 5 move on guide rail 14, and carry out high-precision fixed by the symplectic sample position of infrared light
Position, is turned to detect position by sample by upper plate sample port 1, and detection state is as shown in Figure 4.
Described sample is fixed and is provided with dark slide 7 between groove and upper plate sample port, enters detection at sample tube 6
Behind position, the light of upper plate sample port 1 is blocked by dark slide 7, makes camera bellows shield extraneous light interference completely,
Improve accuracy of detection further.
During detection state, near infrared detection light first passes through outer light hole 2 and enters inside camera bellows, then passes through
Interior light hole 9 arrives semi-transparent semi-reflecting eyeglass 3, and light is divided into two-way afterwards, and fraction light is by being reflected into
Air duct detector 11；Major part light is inwardly irradiated to sample tube 6 through semi-transparent semi-reflecting eyeglass 3, inspection
Light-metering line is by there occurs absorbing phenomenon, by the transmission after sample tube and sample after sample tube 6 and sample
Light enters sample channel detector 10, sample channel detector 10 record detection signal.Then motor
Control sample is fixed groove and is moved to next position on guide rail, repeats above-mentioned detection process.Final sample passage
The detection signal that all diverse locations are gathered by detector is compared and averages, then with sample detection before
Data test signal contrasts, it is achieved the detection to content of material.
After having detected, motor 13 reversion drives sample to fix groove return, and high by infrared optocoupler 8
Precision positions, it is ensured that detection next time position repeatability.
Owing to light can occur refraction effect, therefore general circular test tube meeting when test when by bend glass
Having part detection light to be refracted and cause detector to detect signal weakening, therefore sample tube is changed by the present embodiment
For cuboid, make detection light not reflect when by test tube, thus improve light utilization, reduce folding
Penetrate loss.
Embodiment described above only have expressed the embodiment of utility model, and it describes more concrete and detailed, but
Therefore the restriction to this utility model the scope of the claims can not be interpreted as.It should be pointed out that, for this area
Those of ordinary skill for, without departing from the concept of the premise utility, it is also possible to make some deformation
And improvement, these broadly fall into protection domain of the present utility model.Therefore, the protection domain of this utility model patent
Should be as the criterion with claims.
Claims (8)
1. the liquid-detecting for near-infrared spectrometers, it is characterised in that include interior logical light
Hole, semi-transparent semi-reflecting eyeglass, sample tube, sample fix groove, sample channel detector, air duct detector
And guide rail, described interior light hole, semi-transparent semi-reflecting eyeglass and sample channel detector arrangement group point-blank
Becoming sample test light path, described air duct detector is arranged on the side of semi-transparent semi-reflecting eyeglass, for receiving half
The reflection light of semi-reflective mirror sheet thoroughly；Described sample is fixed groove two of which side and is provided with for making semi-transparent semi-reflecting eyeglass
The through hole that passes through of transmission light, during detection, described sample tube is placed on described sample and fixes in groove, and sample is solid
Determine groove position on guide rail adjustable.
Liquid-detecting for near-infrared spectrometers the most according to claim 1, its feature
Being, described liquid-detecting includes that motor and leading screw, described sample are fixed groove and be fixed on guide rail
On slide block, slide block side is connected with leading screw simultaneously, guide rail and leading screw horizontal direction parallel；Described leading screw and stepping
Motor is connected, and motor drives screw turns.
Liquid-detecting for near-infrared spectrometers the most according to claim 1, its feature
It is, is provided with the infrared optocoupler fixing groove location for localizing sample in guide rail side.
Liquid-detecting for near-infrared spectrometers the most according to claim 1, its feature
Being, described liquid-detecting also includes a camera bellows, is provided with for putting into sample tube on camera bellows top
Plate sample port, is provided with outer light hole with interior light hole opposite position on camera bellows.
Liquid-detecting for near-infrared spectrometers the most according to claim 4, its feature
Being, described sample is fixed and is provided with dark slide between groove and upper plate sample port.
Liquid-detecting for near-infrared spectrometers the most according to claim 1, its feature
Being, described sample tube is rectangular shape.
Liquid-detecting for near-infrared spectrometers the most according to claim 2, its feature
Being, described liquid-detecting includes base, and the first support being fixed on base, described first
Frame inner hollow, semi-transparent semi-reflecting eyeglass is arranged on inside it, and interior light hole is arranged on the first support side, with half
Semi-reflective mirror sheet optical axis direction becomes 45 degree of angles thoroughly, has for installing air duct detection at the first support opposite side
First installing hole of device.
Liquid-detecting for near-infrared spectrometers the most according to claim 7, its feature
Being, described base is additionally provided with the second support and rail brackets, and sample channel detector is arranged on the second support
On；Described guide rail is fixed on rail brackets, and described motor is fixed between the second support and rail brackets
Base on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620489511.9U CN205656125U (en) | 2016-05-25 | 2016-05-25 | A liquid detection device for near infrared spectroscopy analysis appearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620489511.9U CN205656125U (en) | 2016-05-25 | 2016-05-25 | A liquid detection device for near infrared spectroscopy analysis appearance |
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| Publication Number | Publication Date |
|---|---|
| CN205656125U true CN205656125U (en) | 2016-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620489511.9U Expired - Fee Related CN205656125U (en) | 2016-05-25 | 2016-05-25 | A liquid detection device for near infrared spectroscopy analysis appearance |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106908411A (en) * | 2017-04-26 | 2017-06-30 | 上海健康医学院 | A kind of urea in serum nitrogen content near infrared ray method |
| CN106932362A (en) * | 2017-04-26 | 2017-07-07 | 上海健康医学院 | A kind of serum urea nitrogen creatinine content near infrared ray method |
| CN107766772A (en) * | 2017-11-23 | 2018-03-06 | 昌微系统科技(上海)有限公司 | A kind of sample input device |
| CN110487742A (en) * | 2019-07-12 | 2019-11-22 | 广东工业大学 | A kind of sample stretching device for in-situ ft-ir analysis |
-
2016
- 2016-05-25 CN CN201620489511.9U patent/CN205656125U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106908411A (en) * | 2017-04-26 | 2017-06-30 | 上海健康医学院 | A kind of urea in serum nitrogen content near infrared ray method |
| CN106932362A (en) * | 2017-04-26 | 2017-07-07 | 上海健康医学院 | A kind of serum urea nitrogen creatinine content near infrared ray method |
| CN107766772A (en) * | 2017-11-23 | 2018-03-06 | 昌微系统科技(上海)有限公司 | A kind of sample input device |
| CN107766772B (en) * | 2017-11-23 | 2024-05-17 | 安派科生物医学科技（丽水）有限公司 | Sample inputting device |
| CN110487742A (en) * | 2019-07-12 | 2019-11-22 | 广东工业大学 | A kind of sample stretching device for in-situ ft-ir analysis |
| CN110487742B (en) * | 2019-07-12 | 2022-03-04 | 广东工业大学 | Sample stretching device for in-situ infrared spectroscopy |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161019 |