CN207623225U - A kind of spectral analysis of fluids sampler - Google Patents
A kind of spectral analysis of fluids sampler Download PDFInfo
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- CN207623225U CN207623225U CN201721779676.0U CN201721779676U CN207623225U CN 207623225 U CN207623225 U CN 207623225U CN 201721779676 U CN201721779676 U CN 201721779676U CN 207623225 U CN207623225 U CN 207623225U
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Abstract
The utility model discloses a kind of spectral analysis of fluids sampler, structure is flow path pressure-resistant seal cavity body structure, and cuvette is concentrically disposed in shell, and is arranged among upper and lower water outlet connector；Its upper and lower water outlet connector is fixed by screw thread and shell connection.The transmitting of positioning function is finely tuned by optical length in mounting hole and receiving light path device layout realizes that spectrum analysis, then the control of postmenstruation program realize that the detection of fluid parameter, spectral detection error are small.Its mounting hole is equipped with multiple, can select different light paths device layout according to detection function and spectral principle, reach analytical sampling purpose.The utility model can directly be linked with pipeline by water-in and water-out connector realizes on-line checking function；It can also realize the function of offline inspection in addition fluid to cuvette by replacing joint structure, directly liquid can be discharged by valve after the completion of detection simultaneously.Spectral analysis of fluids sampler requirement simple in structure, compact, meeting multiple spectrum analysis and duty requirements.
Description
Technical field
The utility model is related to fluid spectra detection technique fields, and in particular to a kind of spectral analysis of fluids sampler.
Background technology
Property of the spectroscopic methodology according to substance and radiation interaction, is generally divided into emission spectrometry, absorption spectrometry, Raman
Scattering spectrometry three types；The atomic nucleus of the electromagnetic radiation energy wherein absorbed when substance and the substance, atom or molecule
When energy needed for two transition between the energy levels can meet the relationship of M+hv → M*, absorption spectrum will be generated：Pass through measurement of species pair
The method that the wavelength and intensity of radiation absorption are analyzed is called absorption spectrometry.It includes mainly spectrophotometry
Method, atomic absorption spectrography (AAS), infra-red sepectrometry, paramagnetic resonance spectrum method etc..Frequency is the monochromatic light exposure of V0 to transmissive material
On, scattering phenomenon can occur for material molecule.If this scattering is photon and energy exchange occurs for material molecule, i.e. not only light
The direction of motion of son changes, his energy also changes, then becomes Raman and scatter.The frequency (Vm) of this scattering light
It is different from the frequency of incident light, become Raman displacements.The size of Raman displacements and the energy level of the vibrations of molecule and rotation have
It closes, becomes Raman spectroscopic methodologies using the method that the structure of matter is studied in Raman displacements.
Modern spectral analysis technique is the high-new analytical technology that analytical chemistry field is grown rapidly in recent years, is obtained both at home and abroad
Assayer's gazes at, and is known as analysis " giant " in analytical chemistry field, its appearance is analyzed again it may be said that bringing
The revolution of technology.Modern spectrum analysis is by spectral measurement methods, computer technology, chemometric techniques and basic test skill
The combination of art.It is the sample group, composition or states of matter information for being reflected spectrum and the reference method with standard or approval
The composition or property data measured establishes calibration model using chemometric techniques, then passes through the survey to unknown sample spectrum
Calibration model that is fixed and establishing carrys out a kind of analysis method of its composition of fast prediction or property.With the rapid hair of computer technology
Exhibition, has driven the digitlization of analytical instrument and the development of Chemical Measurement, and spectral information is being solved by chemometrics method
The good result obtained in terms of extraction and background interference, application of the spectrum analysis in industrial circle are in full swing, are dividing online
Analysis field has also obtained good application, and obtains good Social benefit and economic benefit.Such as surveyed with ultraviolet spectrophotometry
Water quality TOC, infra-red sepectrometry survey water turbidity and Raman spectrum and survey in wine the fat etc. of phthalic acid two.
In view of the principle of spectrum analysis, sample collection unit becomes the essential component part of spectral detection.Wherein compare
The selection of color ware optimum pathway length is particularly important, directly influences spectral detection error, but accurate optimum pathway is difficult often
It realizes.And the size and accuracy of detection of the complex degree of structure determination device of sample collection unit, mode of operation determine
The applying working condition of spectrum analysis and field.It is the optical length fine tuning registration of sampler, simplification, densification, multi-functional
The problem of change, more scope of applications must take into consideration as sampler.
Invention content
Goal of the invention：In order to overcome the deficiencies in the prior art, the utility model to provide a kind of spectral analysis of fluids
Sampler is laid out using reasonable compact structure, realizes that cuvette optical length finely tunes registration, meets multiple spectrum inspection
While measuring sample demand, flow path connection technique is fully considered, solve the deficiency of sampler in spectral detection.
Technical solution：To achieve the above object, the utility model adopts the following technical solution：
A kind of spectral analysis of fluids sampler, overall structure are fluid pressure-resistant seal cavity body structure, including shell, colorimetric
Ware and upper and lower end, device seat, lock etc..Wherein, the cuvette is concentrically disposed in shell, and is erect and be arranged in upper and lower end
Between head；
It is connected in the groove of the upper and lower embedded shell upper and lower ends of end matching, the centre bit of upper end or lower end
It sets and offers water sample import, a liquid communication cavity is formed with the cuvette；Fixed disassembly is convenient.
Several perforative mounting holes are offered on the shell on the outside of the cuvette, are equipped in the mounting hole concentric
The device seat of installation.The device seat is equipped with the lock installed with one heart.The device seat endoporus is placed with spectral emissions and connects
Receiving apparatus, the spectral emissions and reception device are connected with control module.Mounting hole is used for installing device seat and light path devices group
Body, and can be according to angle Selection mounting hole needed for spectral detection principle.
Further, the upper and lower end is respectively water outlet connector, water supply connector, the center of the water supply connector
Equipped with water inlet, the center of the water outlet connector is equipped with water outlet.
Further, the water outlet connector, water supply connector connect by way of including in being inserted in soon with testing liquid pipeline
It connects, its advantage is that easily linking with pipeline.
Further, the upper and lower end is respectively capping, plug, and the center of the capping is equipped with filling opening.Institute
Plug is stated equipped with endoporus and is connected through a screw thread with valve.Water outlet connector, water supply connector can be replaced by capping and plug, be met
Artificial liquid feeding offline inspection demand.By the closing of valve, open the liquid feeding for realizing fluid, discharge opeing process switching.
Cuvette is arranged among water outlet connector and water supply connector, can be also arranged among capping and plug, forms two kinds
Signal piping structure.
Further, the upper and lower end is connected and fixed with shell respectively by screw thread.
Further, it is respectively equipped with O-ring between the upper and lower end and the cuvette, ensures that cavity pressure resistance is not permeable
Leakage.
Further, the cuvette is highly transmissive quartz material, and cross sectional shape includes round, square, positive eight
Side shape.Its advantage is that it is cheap, it transmits, easy cleaning.
Further, the device seat is connect by screw-thread fit with mounting hole and can be moved in mounting hole by rotating
It is dynamic.
Further, it is described lock connect by screw-thread fit with device seat and can outside device seat moving in rotation.
Above-mentioned cuvette light path finely tunes positioning function, and the specific method is as follows：The light path devices of device seat and internal setting
Component changes light path devices (spectral emissions and reception by the moving in rotation of internal thread in the external screw thread and mounting hole of device seat
Device) between cuvette at a distance to reach light path fine adjustment function.And then it is externally threaded by latching internal thread and device seat
Moving in rotation realizes the positioning and locking function of device seat by latching the friction with housing exterior walls.
The working method of above-mentioned spectral analysis of fluids sampler, is as follows：Fluid to be measured is from upper and lower end
On water sample import enter in cuvette, filled by emitting and receiving in the device seat that is arranged concentrically with mounting hole on the outside of cuvette
It sets and subsequent control module realizes fluid parameter detection.Spectrum is realized by the light path devices layout for emitting in device seat and receiving
The detection of fluid parameter is realized in analysis, then the control of postmenstruation program.
Further, directly linked with pipeline by water-in and water-out connector and realize on-line checking function, specially：Online inspection
It surveys under operating mode, colorimetric is entered by water inlet by water supply connector and water outlet connector and flow path Quick-connection to be measured, fluid to be measured
Ware is discharged by water outlet；When fluid to be measured flows through cuvette, pass through the device being arranged concentrically with mounting hole on the outside of cuvette
Transmitter-receiver device and subsequent control module realize synchronous water quality detection in seat.
Further, the function of offline inspection is realized in fluid to be measured to cuvette by adding, specially：Offline inspection
Under operating mode, fluid to be measured is injected into cuvette by filling opening, when fluid to be measured is saturated with cuvette, by the outside of cuvette with
Transmitter-receiver device and subsequent control module realize water quality detection in the device seat that mounting hole is arranged concentrically.After to be detected
By valve by fluid evacuation.
Advantageous effect：A kind of spectral analysis of fluids sampler of the utility model, has the following advantages that：
(1) the fine-tuning positioning of cuvette optical length meets sampling demand (infrared, ultraviolet, the Raman light of multiple spectrum detection
Spectrum etc.).
(2) online and offline detection can be met, accuracy of detection is high；
(3) simple in structure, light path devices are rationally distributed convenient with piping connection, and use scope is wide；
(4) highly transmissive cuvette, easy cleaning, replacement are used.
Description of the drawings
Fig. 1 is the front sectional view of the utility model spectral analysis of fluids sampler.
Fig. 2 is the front sectional view scheme II of the utility model spectral analysis of fluids sampler.
Fig. 3 is the overhead sectional view of the utility model spectral analysis of fluids sampler.
Fig. 4 is the cuvette schematic cross-section of the utility model spectral analysis of fluids sampler.
Fig. 5 is the cuvette schematic cross-section of the utility model spectral analysis of fluids sampler.
Fig. 6 is the cuvette schematic cross-section of the utility model spectral analysis of fluids sampler.
In figure, 1, water outlet connector；2, water outlet；3, O-ring；4, cuvette；5, water supply connector；6, water inlet；7, it installs
Hole；8, plug；9, it covers；10, filling opening；11, shell；12, valve；13, device seat；14, it latches.
Specific implementation mode
The utility model discloses a kind of spectral analysis of fluids samplers, including shell, cuvette, device seat, lock
With entery and delivery port and sealing element；Its structure is flow path pressure-resistant seal cavity body structure, and cuvette is concentrically disposed in shell, and card is set
Among upper and lower water outlet connector；Its upper and lower water outlet connector is fixed by screw thread and shell connection.Its device seat and endoporus setting
Light path detection apparatus assembly be set in mounting hole with one heart by screw thread, and rotatable movement.The utility model can be examined according to spectrum
Principle and spectra device rational deployment are surveyed, the light path devices cloth for emitting and receiving in the device seat that is arranged concentrically with mounting hole is passed through
Office realizes that the detection of fluid parameter is realized in spectrum analysis, then the control of postmenstruation program.The utility model can pass through water-in and water-out connector
Directly link with pipeline and realizes on-line checking function；It simultaneously also can be by replacing joint structure, by adding fluid to cuvette
The interior function of realizing offline inspection.This spectral analysis of fluids sampler uses cuvette, the optical length of highly transmissive quartz material
Fine tuning registration, quick detachable, easy to assembly, easy cleaning, it is at low cost, can regularly replace or one survey one replace, avoid intersecting
Infection.Spectral analysis of fluids sampler requirement simple in structure, compact, meeting multiple spectrum analysis simultaneously and operating mode need
It asks.
The utility model is further described with reference to the accompanying drawings and examples.
Embodiment 1：
As shown in Figure 1, a kind of spectral analysis of fluids sampler, structure is fluid pressure-resistant seal cavity body structure, including is gone out
Water swivel 1, O-ring 3, cuvette 4, water supply connector 5, shell 11；The cuvette 4 is concentrically disposed in shell 11；The colorimetric
Ware 4 is arranged in water outlet connector 1 among water supply connector 5, is respectively provided between the cuvette 4 and water supply connector 5 and water outlet connector 1
One O-ring 3；The water supply connector 5 is equipped with water inlet 6；The water outlet connector 1 is equipped with water outlet 2.It is set on the shell 11
There are multiple mounting holes 7 and is placed in 4 periphery of cuvette.The water outlet connector 1, water supply connector 5 can by soon insert etc. modes with it is to be measured
Liquid line couples.The cuvette 4 is highly transmissive quartz material, and section can be round, square, octagon
Deng as shown in Figure 4, Figure 5 and Figure 6.The device seat 13 is connected through a screw thread to be set in mounting hole 7 with one heart.Lock 14 passes through spiral shell
Line connection is set to 13 outside of device seat with one heart.
Embodiment 2：
As shown in Fig. 2, plug 8, capping 9 is used to replace water supply connectors 5 and water outlet connector 1 respectively, it can be formed and different use work
The spectrum analysis sampler of condition；The capping 9 and plug 8 are fixed with shell 11 respectively by screw thread.The capping 9, which is equipped with, to be added
Liquid mouth 10.The plug 8 is equipped with endoporus and is threadedly coupled with valve 12.
As shown in figure 3, the mounting hole 7 can be used for the (hair of light path devices needed for concentric installing device seat 13 and spectral detection
Penetrate and reception device) component, and can be according to angle Selection needed for spectral detection.4 light path of the cuvette finely tunes positioning function, tool
Body method is as follows：The light path devices component of device seat 13 and internal setting, in the external screw thread and mounting hole of device seat 13
The moving in rotation of screw thread, change light path devices (spectral emissions and reception device) between cuvette 4 at a distance to reach light path
Fine adjustment function.And then by latching 14 internal threads and the externally threaded moving in rotation of device seat so that lock 14 and 11 outer wall of shell
Be in direct contact friction positioning, realize the positioning and locking function of device seat 13.
In view of under 1 on-line checking operating mode of case, fluid to be measured enters cuvette 4 by water inlet 6, by 2 row of water outlet
Go out；When fluid to be measured flows through cuvette 4, pass through the sending and receiving apparatus being arranged in 4 surrounding mounting hole 7 of cuvette and follow-up control
Molding block realizes synchronous water quality detection.Spectral detection in the device seat 13 being arranged concentrically with mounting hole 7 by 4 outside of cuvette
Required light path devices (transmitter-receiver device) and subsequent control module realize synchronous water quality detection.
Under offline inspection operating mode, fluid to be measured is injected into cuvette 4 by filling opening 10；When fluid to be measured is saturated with cuvette
When 4, quick water is realized with the sending and receiving apparatus and subsequent control module of intracardiac setting by 4 surrounding of cuvette and mounting hole 7
Quality detection.End to be detected, can be by valve 12 by fluid evacuation.
The utility model is simple in structure, and light path devices are rationally distributed, easy to connect, can meet online and offline multiple spectrum
The sampling demand of detection, using highly transmissive cuvette part easy cleaning, replace, also can one survey one replace, prevent cross-infection.
The above is only the preferred embodiment of the utility model, it should be pointed out that：For the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (6)
1. a kind of spectral analysis of fluids sampler, it is characterised in that：Overall structure is fluid pressure-resistant seal cavity body structure, including
Shell (11), cuvette (4) and upper and lower end, wherein the cuvette (4) is concentrically disposed in shell (11), and erects card and set
Between upper and lower end；
It is connected in the groove of described upper and lower embedded shell (11) upper and lower ends of end matching, the centre bit of upper end or lower end
It sets and offers water sample import, a liquid communication cavity is formed with the cuvette (4)；
Several perforative mounting holes (7), the mounting hole (7) are offered on the shell (11) on the outside of the cuvette (4)
It is interior equipped with the device seat (13) placed with one heart, have light path devices component i.e. spectral emissions in the device seat (13) and receive and fill
It sets, the spectral emissions and reception device are connected with control module.
2. spectral analysis of fluids sampler according to claim 1, it is characterised in that：The upper and lower end is respectively
The center of water outlet connector (1), water supply connector (5), the water supply connector (5) is equipped with water inlet (6), the water outlet connector
(1) center is equipped with water outlet (2).
3. spectral analysis of fluids sampler according to claim 2, it is characterised in that：The water outlet connector (1), water inlet
Connector (5) by way of including in being inserted in soon with testing liquid piping connection.
4. spectral analysis of fluids sampler according to claim 1, it is characterised in that：The upper and lower end is respectively
(9), plug (8) are covered, the center of the capping (9) is equipped with filling opening (10), and the center of the plug (8), which is equipped with, to be run through
Endoporus and be connected through a screw thread fixation with valve (12).
5. spectral analysis of fluids sampler according to claim 1, it is characterised in that：The device seat (13) and inside
The light path devices component of setting is connected with the internal thread of mounting hole (7) by the external screw thread of device seat (13), and can rotate shifting
It is dynamic；The lock (14) installed with one heart is equipped on the outside of the device seat (13), the lock (14) passes through internal thread and device seat
(13) external screw thread connection and moving in rotation；
The upper and lower end is connected and fixed with shell (11) respectively by screw thread；The upper and lower end and the cuvette (4)
Between be respectively equipped with O-ring (3).
6. spectral analysis of fluids sampler according to claim 1, it is characterised in that：The cuvette (4) is high saturating
Penetrating property quartz material, cross sectional shape include round, square, octagon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721779676.0U CN207623225U (en) | 2017-12-19 | 2017-12-19 | A kind of spectral analysis of fluids sampler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721779676.0U CN207623225U (en) | 2017-12-19 | 2017-12-19 | A kind of spectral analysis of fluids sampler |
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| Publication Number | Publication Date |
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| CN207623225U true CN207623225U (en) | 2018-07-17 |
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ID=62820073
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| CN201721779676.0U Active CN207623225U (en) | 2017-12-19 | 2017-12-19 | A kind of spectral analysis of fluids sampler |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109932321A (en) * | 2017-12-19 | 2019-06-25 | 深圳一目科技有限公司 | A kind of spectral analysis of fluids sampler and its working method |
| CN110632112A (en) * | 2019-09-29 | 2019-12-31 | 中国原子能科学研究院 | Carbon fiber tube X-ray fluorescence sample cell |
-
2017
- 2017-12-19 CN CN201721779676.0U patent/CN207623225U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109932321A (en) * | 2017-12-19 | 2019-06-25 | 深圳一目科技有限公司 | A kind of spectral analysis of fluids sampler and its working method |
| CN110632112A (en) * | 2019-09-29 | 2019-12-31 | 中国原子能科学研究院 | Carbon fiber tube X-ray fluorescence sample cell |
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