CN204964378U - Water quality automatic monitoring device based on optical integrator ball - Google Patents
Water quality automatic monitoring device based on optical integrator ball Download PDFInfo
- Publication number
- CN204964378U CN204964378U CN201520706159.5U CN201520706159U CN204964378U CN 204964378 U CN204964378 U CN 204964378U CN 201520706159 U CN201520706159 U CN 201520706159U CN 204964378 U CN204964378 U CN 204964378U
- Authority
- CN
- China
- Prior art keywords
- integrating sphere
- light
- diaphragm
- integrating
- sphere
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 238000012806 monitoring device Methods 0.000 title claims abstract description 12
- 239000000758 substrate Substances 0.000 claims abstract description 21
- 238000001228 spectrum Methods 0.000 claims abstract description 18
- 239000003153 chemical reaction reagent Substances 0.000 claims description 13
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 6
- 230000002572 peristaltic effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 230000001154 acute effect Effects 0.000 claims description 2
- 230000035945 sensitivity Effects 0.000 abstract description 8
- 230000008859 change Effects 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 abstract description 4
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 230000001629 suppression Effects 0.000 abstract 1
- 238000000862 absorption spectrum Methods 0.000 description 10
- 238000001514 detection method Methods 0.000 description 8
- 230000029918 bioluminescence Effects 0.000 description 5
- 238000005415 bioluminescence Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 238000001237 Raman spectrum Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000002189 fluorescence spectrum Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000004809 Teflon Substances 0.000 description 3
- 229920006362 Teflon® Polymers 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000005375 photometry Methods 0.000 description 3
- 238000002835 absorbance Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000029087 digestion Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000001069 Raman spectroscopy Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000120 microwave digestion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000002798 spectrophotometry method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
Abstract
The utility model provides a water quality automatic monitoring device based on optical integrator ball, mainly by advance appearance and measure the unit, clear up the unit and total mark ball measuring unit constitutes. Wherein, total mark ball measuring unit's total mark ball mainly comprises light -transmissive substrate, diffuse reflection layer and diaphragm: the coating of diffuse reflection layer is in the globular cavity outside that comprises light -transmissive substrate, and input path and emitting light path coplane are crossing. The light that incides in the total mark ball acts on by diffuse reflection layer multiple reflection and with the sample, at the inside characteristic spectrum that produces of total mark ball, produced characteristic spectrum is after by diffuse reflection layer multiple reflection, in the department's stack of outgoing diaphragm and by effectual receipt, simultaneously, utilize the total mark ball can also effectual suppression because light shape and disperse the angle and change the measuring error who results in. Under the condition of equal line footpath, the utility model discloses can be with the sensitivity and stability improvement 3-10 times of tradition based on " square " or " cylindrical " sample household utensils.
Description
Technical field
The utility model relates to a kind of water quality on-line monitoring device, be applicable to the water quality on-line monitoring instrument based on the method such as " spectrophotometric method ", " fluorimetry ", " bioluminescence method ", " chemoluminescence method " and " Raman spectroscopy ", be specially adapted to require the monitoring water quality on line fields such as very harsh surface water, underground water, drinking water source area and immediate offshore area to " sensitivity " and " detection limit ".
Background technology
The conventional water quality on-line monitoring instrument device based on " photometry ", its sample vessel mostly adopt square or columniform quartz glass ware, and defect is: the restriction 1. in structural design causes light path limited, thus cause that sensitivity is lower, detection limit is higher; 2. only have the sample of logical light part and light to have an effect, cause the difference degree of variable concentrations specimen reaction not obvious, finally cause detection limit and sensitvity constraint.
In order to improve sensitivity, conventional way is by " increasing vessel wire diameter " or " arranging multiple reflections " to increase light path, thus reaches the object improving sensitivity, reduce detection limit.Although these two kinds of ways can increase light path, but because the distance between " light source " to " optical receiving end " has also been extended, cause the subtle change of any subtle change of an end position, the subtle change of light shape and dispersion angle in light source or optical receiving end all can cause larger photo measure error, thus the stability that impact is measured (or repeatability), cause the improvement limitation of its sensitivity and detection limit.
In addition, above-mentioned two kinds of modes all cannot allow all samples and light action, cannot widen the difference degree of variable concentrations specimen reaction, and therefore it is very limited to the improvement degree of sensitivity, detection limit and data stability.
Utility model content
The purpose of this utility model is technical thought and scheme for providing a kind of novelty based on the water quality on-line monitoring instrument device of " photometry ", is about to traditional " square " or " cylindrical " sample vessel based on the water quality on-line monitoring instrument device of " photometry " and is transformed into " integrating sphere " sample vessel:
1. diffuse reflector is coated in the outside of integrating sphere, and the inside of integrating sphere adopts glass other light transmissive materials as extremely inactive in quartz glass or chemical property, and the light propagation medium in integrating sphere chamber is sample to be tested.(be different from the formation of traditional quadrature ball, diffuse reflector is coated in the inside surface of integrating sphere, and the light propagation medium in integrating sphere chamber is air or vacuum.)
2. sample to be tested is full of whole integrating sphere chamber in integrating sphere, and characteristic spectrum to be observed produces in integrating sphere inside.(be different from the using method of traditional quadrature ball, its characteristic spectrum to be observed produces in integrating sphere outside, and the outside characteristic spectrum produced is directed in integrating sphere to be measured.)
The technical solution of the utility model:
Based on a water quality on-line monitoring device for optical integrating-sphere, primarily of sample introduction and metering units 1, clear up unit 2, integrating sphere measuring unit 3, to control and computing unit 4 and reagent unit 5 are formed:
Integrating sphere measuring unit 3 is made up of integrating sphere 31, light source 32 and Optical Receivers 33; Integrating sphere 31 is made up of light-transparent substrate 311, diffuse reflector 312, incident diaphragm 313, outgoing diaphragm 314, injection port 315, blow vent 316; Light-transparent substrate 311 forms the spherical chamber of integrating sphere 31, is positioned at the inner side of integrating sphere 31; Diffuse reflector 312 is coated in the outside of light-transparent substrate 311, is positioned at the outside of integrating sphere 31; Light source 32 and incident diaphragm 313 form input path, and outgoing diaphragm 314 and Optical Receivers 33 form emitting light path, described input path and described emitting light path coplanar intersect; The path direction that injection port 315 and blow vent 316 are formed is perpendicular to surface level, and two-port is divided into the bottom and top that are positioned at integrating sphere 31; Through incident diaphragm 313 light be incident in integrating sphere 31 be diffusely reflected layer 312 multiple reflections and with sample effect, integrating sphere 31 inside produce characteristic spectrum; After the multiple reflections of the characteristic spectrum produced by diffuse reflector 312, superpose at outgoing diaphragm 314 place; Characteristic spectrum after superposition is received by Optical Receivers 33 through outgoing diaphragm 314.
Based in the water quality on-line monitoring device of optical integrating-sphere, sample introduction and metering units 1 are responsible for the metering of water sample and reagent and auto injection, the metering of sample and circulation, the cleaning of clearing up unit 2 and integrating sphere 31 chamber and removal waste fluid;
Clear up unit 2 to be responsible for clearing up sample;
Integrating sphere measuring unit 3 is responsible for measuring the characteristic spectrum that in integrating sphere 31 chamber, sample and light action produce;
Control to be responsible for control system with computing unit 4, and measure according to integrating sphere measuring unit 3 concentration that the characteristic spectrum obtained calculates test substance in sample;
Reagent unit 5 is responsible for storage and is measured required reagent and clean-out system.
Further, the characteristic spectrum that above-mentioned integrating sphere measuring unit 3 can be measured comprises absorption spectrum, fluorescence spectrum, Raman spectrum, chemiluminescence and bioluminescence:
A monochromator is set up between light source 32 and incident diaphragm 313 or between outgoing diaphragm 314 and Optical Receivers 33, can absorbance spectrum;
Between light source 32 and incident diaphragm 313 and between outgoing diaphragm 314 and photoelectric sensing module 33, set up a monochromator respectively, can fluorescence spectrum be measured;
When light source 32 is set as laser, sets up a monochromator between outgoing diaphragm 314 and photoelectric sensing module 33, Raman spectrum can be measured;
When luminescent behavior is by the chemical reaction of sample or biological self behavior initiation, removes light source 32 and incident diaphragm 23, chemiluminescence or bioluminescence can be measured.
Further, the operation wavelength of above-mentioned light source 32 comprises ultraviolet, visible ray and infrared.
Further, above-mentioned sample introduction and metering units 1 comprise based on " peristaltic pump+gauge line+liquid level sensor+multiport valve group " or the array mode based on " syringe pump+multiport valve group ".Wherein, the array mode of described " peristaltic pump+gauge line+liquid level sensor+multiport valve group " and the array mode of described " syringe pump+multiport valve group " unrestricted, meet the requirement of the conventional array mode in this area.
Further, the above-mentioned mode of clearing up clearing up unit 2 comprises the combination that High-temperature Digestion mode or oxygenant clear up mode or ultraviolet digestion mode or micro-wave digestion mode or aforesaid way; When sample is without the need to clearing up, can cancels and clear up unit 2 and arrange, water sample now and reagent by sample introduction and metering units 1 direct injected to integrating sphere 31.
Further, the formation of above-mentioned integrating sphere 31 comprises with under type: light-transparent substrate 311 adopts glass or chemical property other light transmissive materials extremely inactive, described glass comprises quartz glass, and diffuse reflector 312 is coated in the spherical containment portion that light-transparent substrate 311 is formed; Or light-transparent substrate 311 and diffuse reflector 312 unite two into one, material adopts teflon or stainless steel; Or in the gold-plated formation reflection horizon of the chamber inner wall of integrating sphere 31.Wherein, light-transparent substrate 311 and diffuse reflector 312 unite two into one, and are namely interpreted as that integrating sphere 31 only arranges the structural sheet (diffuse reflector 312) that one deck has a diffuse reflection function and forms its spherical cavity.
Further, above-mentioned input path and the angle of crossing formation coplanar between emitting light path are right angle or acute angle or obtuse angle.
Effect of the present utility model:
1) light incided in integrating sphere chamber be diffusely reflected layer multiple reflections and with sample effect, improve the generation efficiency of characteristic spectrum.
2) after the whole characteristic spectrums produced are diffusely reflected layer multiple reflections, superpose at outgoing diaphragm place and be detected device and effectively receive, improve the detection efficiency of characteristic spectrum.
3) measuring error that the feature of integrating sphere can also effectively suppress because the response difference of diverse location on light shape, dispersion angle and detector causes is utilized.
Experimental result shows: under equal wire diameter condition, and tradition can be improved 3 ~ 10 times based on the detection sensitivity of " square " or " cylindrical " sample vessel and Measurement sensibility by the utility model.
Accompanying drawing explanation
Fig. 1 is the basic comprising block diagram based on the water quality on-line monitoring device of optical integrating-sphere in the first preferred embodiment of the utility model;
Fig. 2 is the basic comprising schematic diagram of integrating sphere in the first preferred embodiment of the utility model;
Fig. 3 is the water quality on-line monitoring device basic comprising schematic diagram based on " peristaltic pump+gauge line+liquid level sensor+multiport valve group " mode.
Drawing reference numeral illustrates:
1-sample introduction and metering units; 2-clear up unit; 3-integrating sphere measuring unit; 31-integrating sphere; 311-light-transparent substrate; 312-diffuse reflector; 313-incident diaphragm; 314-outgoing diaphragm; 315-injection port; 316-blow vent; 32-light source; 33-Optical Receivers; 4-control and computing unit; 5-reagent storage unit.
Embodiment
In order to make the technical problems to be solved in the utility model, technical scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment one
As shown in Figure 1 and Figure 2, primarily of sample introduction and metering units 1, clear up unit 2, integrating sphere measuring unit 3, to control and computing unit 4 and reagent unit 5 are formed:
Integrating sphere measuring unit 3 is made up of integrating sphere 31, light source 32 and Optical Receivers 33; Integrating sphere 31 is made up of light-transparent substrate 311, diffuse reflector 312, incident diaphragm 313, outgoing diaphragm 314, injection port 315, blow vent 316; Light-transparent substrate 311 forms the spherical chamber of integrating sphere 31, is positioned at the inner side of integrating sphere 31; Diffuse reflector 312 is coated in the outside of light-transparent substrate 311, is positioned at the outside of integrating sphere 31; Light-transparent substrate 311 diffuse reflector 312 substrates and sample receiver double action; Light source 32 and incident diaphragm 313 form input path, and outgoing diaphragm 314 and Optical Receivers 33 form emitting light path, described input path and described emitting light path coplanar intersect; The path direction that injection port 315 and blow vent 316 are formed is perpendicular to surface level, and two-port is divided into the bottom and top that are positioned at integrating sphere 31; Be diffusely reflected layer 312 multiple reflections through incident diaphragm 313 light be incident in integrating sphere 31 and absorbed by sample, producing characteristic absorption spectrum in integrating sphere 31 inside; After the multiple reflections of the characteristic absorption spectrum produced by diffuse reflector 312, superpose at outgoing diaphragm 314 place; Characteristic absorption spectrum after superposition is received by Optical Receivers 33 through outgoing diaphragm 314;
Sample introduction and metering units 1 are responsible for the metering of water sample and reagent and auto injection, the metering of sample and circulation, the cleaning of clearing up unit 2 and integrating sphere 31 chamber and removal waste fluid;
Clear up unit 2 to be responsible for clearing up sample;
Integrating sphere measuring unit 3 is responsible for measuring sample in integrating sphere 31 chamber and is absorbed the characteristic absorption spectrum of light generation;
Control to be responsible for control system with computing unit 4, and measure according to integrating sphere measuring unit 3 concentration that the characteristic absorption spectrum obtained calculates test substance in absorbance and sample;
Reagent unit 5 is responsible for storage and is measured required reagent and clean-out system.
Testing process comprises the following steps:
S100. sample introduction and metering units 1 are by the water sample of prescribed dose with specify reagent sample introduction to clearing up unit 2;
S200. clear up unit 2 and clear up sample;
S300. sample introduction and metering units 1 are by the appointment reagent of prescribed dose order sample introduction to clearing up unit 2, shelter the interference component in sample, or dilution sample, or colour developing;
S400. the colour developing sample of prescribed dose circulates to integrating sphere 31 from clearing up unit 2 by sample introduction and metering units 1, and is full of whole integrating sphere 31 chamber;
S500. integrating sphere measuring unit 3 measures the characteristic absorption spectrum that in integrating sphere 31 chamber, sample produces;
S600. control to measure according to integrating sphere measuring unit 3 concentration that the characteristic absorption spectrum obtained calculates test substance in absorbance and sample with computing unit 4.
Embodiment two
The present embodiment is substantially identical with embodiment one, and difference is: what embodiment one was measured is absorption spectrum, and the spectrum that the present embodiment is measured also comprises fluorescence spectrum, Raman spectrum, chemiluminescence and bioluminescence;
Between light source 32 and incident diaphragm 313 and between outgoing diaphragm 314 and photoelectric sensing module 33, set up a monochromator respectively, measurement be fluorescence spectrum;
When light source 32 is set as laser, sets up a monochromator between outgoing diaphragm 314 and photoelectric sensing module 33, measurement be Raman spectrum;
When luminescent behavior be caused by the chemical reaction of sample or self behavior biological time, remove light source 32 and incident diaphragm 23, measurement be chemiluminescence or bioluminescence.
Embodiment three
The present embodiment is substantially identical with embodiment one, and difference is: light-transparent substrate 311 and the diffuse reflector 312 of integrating sphere 31 unite two into one, and material adopts teflon, and teflon now plays diffuse reflector 312 and sample receiver double action.
Embodiment four
The present embodiment is substantially identical with embodiment one, difference is: sample introduction and metering units 1 are specially the array mode based on " peristaltic pump+gauge line+liquid level sensor+multiport valve group ", primarily of multiport valve group, peristaltic pump, gauge line, liquid level sensor, under clear up valve, on clear up valve, integration ball valve, tapping valve form, as shown in Figure 3; The mode of clearing up clearing up unit 2 is specially high-temperature closed and clears up mode, clears up unit 2 primarily of clearing up cup, heater strip, temperature sensor formation, as shown in Figure 3.
More than show and describe essential structure of the present utility model and ultimate principle, the technician of the industry should understand, and the utility model is not restricted to the described embodiments.Just essential structure of the present utility model and the ultimate principle that describe in above-described embodiment and instructions; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the utility model.
Claims (4)
1., based on a water quality on-line monitoring device for optical integrating-sphere, it is characterized in that: described device primarily of sample introduction and metering units (1), clear up unit (2), integrating sphere measuring unit (3), to control and computing unit (4) and reagent unit (5) are formed;
Wherein, integrating sphere measuring unit (3) is made up of integrating sphere (31), light source (32) and Optical Receivers (33); Integrating sphere (31) is made up of light-transparent substrate (311), diffuse reflector (312), incident diaphragm (313), outgoing diaphragm (314), injection port (315), blow vent (316); Light-transparent substrate (311) forms the spherical chamber of integrating sphere (31), is positioned at the inner side of integrating sphere (31); Diffuse reflector (312) is coated in the outside of light-transparent substrate (311), is positioned at the outside of integrating sphere (31); Light source (32) and incident diaphragm (313) form input path, and outgoing diaphragm (314) and Optical Receivers (33) form emitting light path, described input path and described emitting light path coplanar crossing; The path direction that injection port (315) and blow vent (316) are formed is perpendicular to surface level, and two-port is divided into the bottom and top that are positioned at integrating sphere (31); Through incident diaphragm (313) light be incident in integrating sphere (31) be diffusely reflected layer (312) multiple reflections and with sample effect, integrating sphere (31) inside produce characteristic spectrum; After the multiple reflections of the characteristic spectrum produced by diffuse reflector (312), superpose at outgoing diaphragm (314) place; Characteristic spectrum after superposition is received by Optical Receivers (33) through outgoing diaphragm (314).
2. the water quality on-line monitoring device based on optical integrating-sphere according to claim 1, is characterized in that: described sample introduction and metering units (1) comprise based on " peristaltic pump+gauge line+liquid level sensor+multiport valve group " or the array mode based on " syringe pump+multiport valve group ".
3. the water quality on-line monitoring device based on optical integrating-sphere according to claim 1, it is characterized in that: the formation of described integrating sphere (31) comprises with under type, diffuse reflector (312) is coated in the spherical containment portion that light-transparent substrate (311) is formed; Or light-transparent substrate (311) and diffuse reflector (312) unite two into one; Or in the gold-plated formation reflection horizon of the chamber inner wall of integrating sphere (31).
4. the water quality on-line monitoring device based on optical integrating-sphere according to claim 1, is characterized in that: between described input path with described emitting light path, the angle of coplanar crossing formation is right angle or acute angle or obtuse angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520706159.5U CN204964378U (en) | 2015-09-11 | 2015-09-11 | Water quality automatic monitoring device based on optical integrator ball |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520706159.5U CN204964378U (en) | 2015-09-11 | 2015-09-11 | Water quality automatic monitoring device based on optical integrator ball |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204964378U true CN204964378U (en) | 2016-01-13 |
Family
ID=55059434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520706159.5U Active CN204964378U (en) | 2015-09-11 | 2015-09-11 | Water quality automatic monitoring device based on optical integrator ball |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204964378U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111443080A (en) * | 2019-01-17 | 2020-07-24 | 大韩民国(国立水产科学院) | Intelligent water quality measuring system for aquaculture |
-
2015
- 2015-09-11 CN CN201520706159.5U patent/CN204964378U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111443080A (en) * | 2019-01-17 | 2020-07-24 | 大韩民国(国立水产科学院) | Intelligent water quality measuring system for aquaculture |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20170285054A1 (en) | Automatic analyzer and method | |
| Li et al. | Continuous colorimetric determination of trace ammonium in seawater with a long-path liquid waveguide capillary cell | |
| Kröckel et al. | Fluorescence detection for phosphate monitoring using reverse injection analysis | |
| Ellis et al. | Multi-reflection photometric flow cell for use in flow injection analysis of estuarine waters | |
| CN104641220B (en) | Microfluidic chip having flow cell for absorbance detection and absorbance detection device including same | |
| US10591499B2 (en) | Method for operating an automated analyzer | |
| WO2020228507A1 (en) | High-precision seawater ph in-situ measurement system and method based on integrated valve-terminal apparatus | |
| CN102495013A (en) | Online digestion and luminosity detection device for water quality | |
| CN104515743A (en) | Photometric analyzer based on light guide metal capillary and detection method thereof | |
| CN206248652U (en) | Real-time in-situ water quality monitor | |
| CN105158185A (en) | Water quality online monitoring device based on optical integrating sphere | |
| US10788416B2 (en) | Multiple wavelength light source for colorimetric measurement | |
| CN104132913A (en) | Detection and/or quantitation of endotoxin | |
| CN105158184A (en) | Gas online analysis device based on optical integrating sphere | |
| KR102211398B1 (en) | Turbidity correctible absorbance detector with reaction mixer | |
| KR20150106493A (en) | Microfluidic chips having flow cells using standard addition method and absorbance measurement apparatus having thereof | |
| CN204964378U (en) | Water quality automatic monitoring device based on optical integrator ball | |
| CN108362653B (en) | A kind of Solid Phase Extraction functional fiber fadout field sensor and its assemble method | |
| CN105115913B (en) | A kind of high-precision absorbance detection device | |
| CN204964365U (en) | Spectroscopic measurement device based on optical integrator ball | |
| CN212432951U (en) | Light path system for multi-parameter water quality on-line analyzer and analyzer | |
| CN203310744U (en) | Liquid core waveguide food detector | |
| CN104964940A (en) | Detection device and method for rapidly detecting content of total phosphorus in water sample | |
| JP4201118B2 (en) | Optical analysis cell, optical analysis apparatus and optical analysis method using the cell | |
| CN208313792U (en) | A kind of ultralow range turbidity detection device of flow type |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 518083, 7th Floor, Building 8, Jinhuanyu Industrial Park, Changfeng Road, Fenghuang Community, Fenghuang Street, Guangming District, Shenzhen City, Guangdong Province Patentee after: Guangdong Shiyilin Technology Co.,Ltd. Country or region after: China Address before: 8 / F, zhongkonuo Digital Technology Industrial Park, No.7 Road, east of Guangming hi tech park, Gongming office, Guangming New District, Shenzhen, Guangdong 518000 Patentee before: SHENZHEN SVOLN TECHNOLOGY Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |