CN205786307U - A kind of liquid-detecting for near-infrared spectrometers - Google Patents
A kind of liquid-detecting for near-infrared spectrometers Download PDFInfo
- Publication number
- CN205786307U CN205786307U CN201620682986.XU CN201620682986U CN205786307U CN 205786307 U CN205786307 U CN 205786307U CN 201620682986 U CN201620682986 U CN 201620682986U CN 205786307 U CN205786307 U CN 205786307U
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- 238000001514 detection method Methods 0.000 claims abstract description 26
- 238000012360 testing method Methods 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 230000003287 optical effect Effects 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 4
- 238000002329 infrared spectrum Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect 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
- 238000009659 non-destructive testing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- 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
- G01N21/3577—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing liquids, e.g. polluted water
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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)
Abstract
The utility model discloses a kind of liquid-detecting for near-infrared spectrometers, including sample tube, interior light hole, semi-transparent semi-reflecting eyeglass, sample channel detector and air duct detector, described interior light hole, semi-transparent semi-reflecting eyeglass and sample channel detector arrangement point-blank form sample test light path, described air duct detector is arranged on the side of semi-transparent semi-reflecting eyeglass, for receiving the reflection light of semi-transparent semi-reflecting eyeglass；When detection, sample tube is placed in the sample test light path between semi-transparent semi-reflecting eyeglass and sample channel detector.This utility model is by setting up above-mentioned sample test light path, it is possible to achieve the detection to liquid.Meanwhile, it is additionally provided with the parts such as camera bellows, sample tube support, Hall element, motor, accuracy of detection can be improved, control the automatic rotation of sample tube simultaneously, there is automaticity height, measure advantage accurately.
Description
Technical field
This utility model belongs to near-infrared spectrometers research field, is specifically related to a kind of for near-infrared spectrum analysis
The liquid-detecting of instrument.
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, with
Conventional analytical techniques is compared, and near-infrared spectrometers has Non-Destructive Testing, analysis efficiency is high, analysis speed is fast, analysis cost
The unique advantages such as low, favorable reproducibility.
The absorption characteristic of fixed wave length near infrared light is carried out respectively by near-infrared analysis mainly by testee surface
Plant the analysis of content of material.Current near-infrared spectrum analysis is mainly used in the content detection of the solid matter such as feedstuff, soil, right
Liquid detecting can not reach good effect.
To this end, seek one to can be used for near-infrared spectrometers, and the device that can carry out liquid detecting has important reality
By value.
Utility model content
Main purpose of the present 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 changes original diffuse-reflectance light path into transmitted light path, by with near infrared spectrum
Analyser is connected, it is achieved that detect the material of liquid.
The purpose of this utility model is achieved through the following technical solutions:
A kind of liquid-detecting for near-infrared spectrometers, including sample tube, interior light hole, semi-transparent semi-reflecting
Eyeglass, sample channel detector and air duct detector, described interior light hole, semi-transparent semi-reflecting eyeglass and sample channel detector
Arranging composition sample test light path point-blank, described air duct detector is arranged on the side of semi-transparent semi-reflecting eyeglass,
For receiving the reflection light of semi-transparent semi-reflecting eyeglass；When detection, sample tube is placed on semi-transparent semi-reflecting eyeglass and sample channel is visited
Survey in the sample test light path between device.This utility model is by setting up above-mentioned sample test light path, it is possible to achieve to liquid
Detection.
Preferably, described liquid-detecting also includes a camera bellows, is provided with for putting into sample tube on camera bellows top
Upper plate sample port, is provided with outer light hole with interior light hole opposite position on camera bellows.By arranging described camera bellows, it is possible to reduce
The interference of ambient light, is effectively improved accuracy of detection.
Preferably, described sample tube is arranged on a sample tube support, and sample tube support can revolve in the horizontal direction
Turn.By the rotation of sample holder, the rotation of sample tube can be driven, and then time to be detected, sample tube can be rotated to
On optical system for testing, when standby, sample tube is moved on to the side of optical system for testing.
Further, the rotary shaft of described sample tube support is connected with the rotating shaft of a motor.Thus can pass through
The rotation controlling motor controls the anglec of rotation of sample tube support, and finally adjusts the position of sample tube.
Further, sample tube support rotational trajectory is provided with one for detecting sample tube backing positions suddenly
That sensor, described Hall element and a positioner connect, and described positioner is connected with motor.By step
Enter jointly controlling of motor and Hall element, the position of sample tube can be accurately positioned, because of the anglec of rotation when reducing detection
Problem and the measurement error brought.
Concrete, 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 semi-transparent semi-reflecting eyeglass
Optical axis direction becomes 45 degree of angles, has the first installing hole for installing air duct detector at the first support opposite side.
Further, described liquid-detecting base being additionally provided with the second support, described motor is fixed on
Below two rack plates, Hall element is arranged on above the second rack plate；The rotating shaft of motor passes the second support top
It is connected with sample tube support after plate；In the side near the first support, the second support is provided with one for installing sample channel
The fixed plate of detector.
This utility model compared with prior art, has the advantage that and beneficial effect:
1, original light path is improved by this utility model, changes original diffuse-reflectance light path into transmitted light path, thus can
To realize the detection function of the material to liquid.
2, detection environment is changed into inside camera bellows by this utility model, reduces extraneous light interference, is effectively increased detection essence
Degree.
3, this utility model uses motor and Hall element to jointly control the rotation of sample tube, it is ensured that sample
The degree of accuracy of test tube pond position of rotation, the measurement error brought because of the anglec of rotation problem when decreasing detection.
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；
Fig. 5 is the light path schematic diagram of the present embodiment sample detection.
In Fig. 1-Fig. 5: 1-upper plate sample port；The outer light hole of 2-；3-sample tube；4-sample tube support；5-sample leads to
Road detector；6-motor；The semi-transparent semi-reflecting eyeglass of 7-；Light hole in 8-；9-air duct detector；10-Hall element.
Detailed description of the invention
The utility model is described in further detail below in conjunction with the accompanying drawings:
Seeing Fig. 1-4, a kind of liquid-detecting for near-infrared spectrometers described in the present embodiment, including camera bellows
With other devices being arranged within camera bellows.Described camera bellows is provided with upper plate sample port 1 and outer light hole 2.Wrap inside camera bellows
Include: interior light hole 8, semi-transparent semi-reflecting eyeglass 7, sample tube 3, sample tube support 4, motor 6, Hall element 10, sample
Product channel detector 5 and air duct detector 9.
In conjunction with Fig. 5, in the present embodiment, outer light hole 2, interior light hole 8, semi-transparent semi-reflecting eyeglass 7 and sample channel detector 5
Arranging composition sample test light path point-blank, air duct detector 9 is arranged in the side vertical with sample test light path
Upwards.
Sample tube 3 is arranged on sample tube support 4, the rotary shaft of sample tube support and the rotating shaft of a motor
It is connected, sample tube support rotational trajectory is provided with one for detecting the Hall element of sample tube backing positions, described
Hall element and a positioner connect, and described positioner is connected with motor.Hall element 10 judges sample
The position of product test tube support 4, then positioner controls the movement of sample tube support 4 by motor 6, thus drives
Sample tube 3 moves.
The liquid-detecting of described near-infrared spectrometers includes holding state and detection state.Holding state such as figure
Shown in 2, detection sample is placed in sample tube 3 by upper plate sample port 1, and sample tube 3 and sample detection light path do not exist
On straight line；Motor 6 is by driving sample tube support 4 to rotate afterwards, is turned to by upper plate sample port 1 by sample
Module intermediate detection position, state is as shown in Figure 4.
During detection state, near infrared detection light first passes through outer light hole 2 and enters inside detection module, then by interior
Light hole 8 arrives semi-transparent semi-reflecting eyeglass 7, and light is divided into two-way afterwards, and fraction light detects by being reflected into air duct
Device 9；Major part light is inwardly irradiated to sample tube 3 through semi-transparent semi-reflecting eyeglass 7, and detection light is by sample tube 3 and sample
There occurs absorbing phenomenon after product, enter sample channel detector 5 by the transmitted ray after sample tube and sample, such as Fig. 5 sample
Shown in the light path schematic diagram that product examine is surveyed.Number is tested twice at holding state and detection state by comparison sample channel detector 5
According to realizing the detection to content of material.
Embodiment described above only have expressed the embodiment of utility model, and it describes more concrete and detailed, but not
Therefore the restriction to this utility model the scope of the claims can be interpreted as.It should be pointed out that, for the ordinary skill people of this area
For Yuan, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these broadly fall into this reality
With novel protection domain.Therefore, the protection domain of this utility model patent should be as the criterion with claims.
Claims (7)
1. the liquid-detecting for near-infrared spectrometers, it is characterised in that include sample tube, interior logical light
Hole, semi-transparent semi-reflecting eyeglass, sample channel detector and air duct detector, described interior light hole, semi-transparent semi-reflecting eyeglass and sample
Product channel detector arranges composition sample test light path point-blank, and described air duct detector is arranged on semi-transparent semi-reflecting
The side of eyeglass, for receiving the reflection light of semi-transparent semi-reflecting eyeglass；Detection time, sample tube be placed on semi-transparent semi-reflecting eyeglass and
In sample test light path between sample channel detector.
Liquid-detecting for near-infrared spectrometers the most according to claim 1, it is characterised in that described liquid
Health check-up survey device also include a camera bellows, be provided with the upper plate sample port for putting into sample tube on camera bellows top, on camera bellows with
Interior light hole opposite position is provided with outer light hole.
Liquid-detecting for near-infrared spectrometers the most according to claim 1, it is characterised in that described sample
Product test tube is arranged on a sample tube support, and sample tube support can rotate in the horizontal direction.
Liquid-detecting for near-infrared spectrometers the most according to claim 3, it is characterised in that described sample
The rotary shaft of product test tube support is connected with the rotating shaft of a motor.
Liquid-detecting for near-infrared spectrometers the most according to claim 4, it is characterised in that at sample
Test tube support rotational trajectory is provided with one for detecting the Hall element of sample tube backing positions, described Hall element with
One positioner connects, and described positioner is connected with motor.
Liquid-detecting for near-infrared spectrometers the most according to claim 5, it is characterised in that described liquid
Health check-up is surveyed device and is included base, and the first support being fixed on base, described first internal stent hollow, semi-transparent semi-reflecting lens
Sheet is installed therein, and interior light hole is arranged on the first support side, becomes 45 degree of angles with semi-transparent semi-reflecting eyeglass optical axis direction, the
One support opposite side has the first installing hole for installing air duct detector.
Liquid-detecting for near-infrared spectrometers the most according to claim 6, it is characterised in that the described end
Being additionally provided with the second support on Zuo, described motor is fixed on below the second rack plate, and Hall element is arranged on second
Above frame top board；The rotating shaft of motor is connected with sample tube support after the second rack plate；Near the first support
Side, the second support is provided with one for installing the fixed plate of sample channel detector.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620421914 | 2016-05-10 | ||
| CN201620421914X | 2016-05-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205786307U true CN205786307U (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620682986.XU Expired - Fee Related CN205786307U (en) | 2016-05-10 | 2016-06-29 | A kind of liquid-detecting for near-infrared spectrometers |
| CN201610508681.1A Active CN105891150B (en) | 2016-05-10 | 2016-06-29 | A kind of liquid-detecting and its detection method for near-infrared spectrometers |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610508681.1A Active CN105891150B (en) | 2016-05-10 | 2016-06-29 | A kind of liquid-detecting and its detection method for near-infrared spectrometers |
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| Country | Link |
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| CN (2) | CN205786307U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105891150A (en) * | 2016-05-10 | 2016-08-24 | 广东星创众谱仪器有限公司 | Liquid detection device and detection method thereof for near-infrared spectrum analyzer |
| CN110152754A (en) * | 2019-06-14 | 2019-08-23 | 上海安杰环保科技股份有限公司 | Permanganate index analyzer sample apparatus for placing with identification function |
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| CN107132199A (en) * | 2017-04-26 | 2017-09-05 | 上海健康医学院 | A kind of creatinine in serum 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 |
| 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 |
| CN108204955B (en) * | 2018-01-30 | 2021-04-02 | 黑龙江大学 | A transmission type multi-band near-infrared liquid component intelligent analysis device |
| CN110823869A (en) * | 2018-08-10 | 2020-02-21 | 上海索昕生物科技有限公司 | Light-activated chemiluminescence detection device |
| CN109596816B (en) * | 2018-12-10 | 2020-11-06 | 海康生物技术(广州)有限公司 | Sample solidification time point confirmation assembly and sample solidification time point confirmation method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5207462B2 (en) * | 2008-10-06 | 2013-06-12 | 国立大学法人大阪大学 | Liquid inspection method and liquid inspection apparatus |
| FR3001545B1 (en) * | 2013-01-31 | 2015-03-20 | Continental Automotive France | INFRARED OPTICAL SENSOR INTEGRATING A TRANSMISSION MEASURING CELL |
| CN203572808U (en) * | 2013-11-06 | 2014-04-30 | 山东金普分析仪器有限公司 | Liquid chromatograph |
| CN105334184A (en) * | 2014-08-15 | 2016-02-17 | 富强 | On-line near-infrared spectrum analyzer |
| CN105092516A (en) * | 2014-10-24 | 2015-11-25 | 深圳莱特光电有限公司 | Digital light processing technology-based portable liquid food near infrared spectroscopy analyzer |
| CN105067559A (en) * | 2015-07-23 | 2015-11-18 | 北京化工大学 | Liquid near-infrared transmitted spectrum component online detection apparatus |
| CN205786307U (en) * | 2016-05-10 | 2016-12-07 | 广东星创众谱仪器有限公司 | A kind of liquid-detecting for near-infrared spectrometers |
-
2016
- 2016-06-29 CN CN201620682986.XU patent/CN205786307U/en not_active Expired - Fee Related
- 2016-06-29 CN CN201610508681.1A patent/CN105891150B/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105891150A (en) * | 2016-05-10 | 2016-08-24 | 广东星创众谱仪器有限公司 | Liquid detection device and detection method thereof for near-infrared spectrum analyzer |
| CN105891150B (en) * | 2016-05-10 | 2019-01-29 | 广东星创众谱仪器有限公司 | A kind of liquid-detecting and its detection method for near-infrared spectrometers |
| CN110152754A (en) * | 2019-06-14 | 2019-08-23 | 上海安杰环保科技股份有限公司 | Permanganate index analyzer sample apparatus for placing with identification function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105891150A (en) | 2016-08-24 |
| CN105891150B (en) | 2019-01-29 |
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Legal Events
| 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: 20161207 |