CN111896320A - Water sample collection device and water quality monitor - Google Patents
Water sample collection device and water quality monitor Download PDFInfo
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- CN111896320A CN111896320A CN202010785204.6A CN202010785204A CN111896320A CN 111896320 A CN111896320 A CN 111896320A CN 202010785204 A CN202010785204 A CN 202010785204A CN 111896320 A CN111896320 A CN 111896320A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 67
- 230000007246 mechanism Effects 0.000 claims abstract description 48
- 238000005259 measurement Methods 0.000 claims abstract description 38
- 238000005070 sampling Methods 0.000 claims abstract description 23
- 230000003595 spectral effect Effects 0.000 claims abstract description 20
- 238000013519 translation Methods 0.000 claims description 25
- 238000001228 spectrum Methods 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 239000008367 deionised water Substances 0.000 claims description 4
- 229910021641 deionized water Inorganic materials 0.000 claims description 4
- 238000007790 scraping Methods 0.000 claims description 4
- 230000006870 function Effects 0.000 abstract description 7
- 238000013461 design Methods 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 abstract description 3
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 238000000862 absorption spectrum Methods 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
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- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
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- 239000010980 sapphire Substances 0.000 description 2
- 238000002835 absorbance Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
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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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- 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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/15—Preventing contamination of the components of the optical system or obstruction of the light path
-
- 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
-
- 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
-
- 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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/15—Preventing contamination of the components of the optical system or obstruction of the light path
- G01N2021/152—Scraping; Brushing; Moving band
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- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Hydrology & Water Resources (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Optical Measuring Cells (AREA)
Abstract
The invention relates to the technical field of water quality monitoring, in particular to a water sample collecting device and a water quality monitor, wherein the water sample collecting device comprises a base, and the base is provided with a sampling channel; the opposite side walls of the sampling channel are respectively provided with a measuring window, and a measuring channel is formed between the measuring windows; the base is connected to a reference module by a movement mechanism, the reference module being movable to the measurement channel such that the measurement channel forms part of a reference light path. According to the water sample collecting device and the water quality monitor, the measuring window is arranged in the sampling channel to form the measuring channel, and the movable reference module is introduced, so that the water sample collecting device has the functions of reference light measurement and calibration; due to the single-channel design, a light source with lower power can be used, and a shutter and a light splitting device are omitted, so that the structure is simple and reliable, the loss of spectral information can be avoided, and the cost of the water quality monitor is greatly reduced.
Description
Technical Field
The invention relates to the technical field of water quality detection, in particular to a water sample collecting device and a water quality monitor.
Background
Water quality monitoring typically requires the measurement of various parameters such as COD, BOD, ammonia nitrogen, total phosphorus, total nitrogen, temperature, pH, conductivity, dissolved oxygen, turbidity, etc. in water. Because the wavelength, intensity, polarization state and other conditions of absorption or emission spectrum of substance molecules under different conditions have inherent relationship with the structural characteristics of the substance, the measurement of parameters such as COD, BOD, ammonia nitrogen, total phosphorus, total nitrogen and the like can be monitored by a spectrometer. The working mechanism of the spectrometer is that when continuous spectrum light beams are used for irradiating water bodies, energy of the continuous spectrum light beams can be selectively absorbed, scattered or excited by various organic matter molecules, UV absorption spectrum intensity or fluorescence emission spectrum intensity of a water sample is measured, and then a measured value of comprehensive indexes of the organic matters in the water sample is obtained through calculation of a mathematical model.
The measurement of the spectrometer needs to introduce reference light for calculation, and in addition, calibration and sensor optical early warning are realized through the reference light. The current water quality monitor adopts a dual-channel structure to realize the introduction of reference light and measuring light, namely, one channel is communicated with a sample to introduce the measuring light, and the other channel is closed and leads the reference light to enter a spectrometer through air; therefore, the interference of external substances can be avoided, but a shutter and light splitting are required to be arranged, so that the volume and signal interference of the system are increased, the cost is increased, and the power requirement on the light source is increased. Because the stability of the high-power light source is poor, the water quality monitor with a dual-channel structure has defects in system stability and measurement authenticity.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
The invention provides a water sample collecting device in a first aspect, which comprises a base, wherein the base is provided with a sampling channel; the opposite side walls of the sampling channel are respectively provided with a measuring window, and a measuring channel is formed between the measuring windows; the base is connected to a reference module by a movement mechanism, the reference module being movable to the measurement channel to enable the measurement channel to form part of a reference light path.
In one embodiment, the reference module is provided with reference module light-transmitting windows at both ends in the direction of the measurement channel, respectively.
In one embodiment, the movement mechanism includes a first translation mechanism that moves the reference module in a first direction, the first direction being an axial direction of the sampling channel.
In one embodiment, a first wiper is attached to an end face of the reference module for cleaning the measurement window.
In one embodiment, the movement mechanism includes a second translation mechanism that can move the reference module in a second direction; the second direction is perpendicular to the first direction and parallel to the plane where the measuring window is located; the first translation mechanism is connected with the second translation mechanism; the base is connected with a second scraping brush used for cleaning the light-transmitting window of the reference module.
In one embodiment, the reference module includes a transparent housing coupled to the movement mechanism, the housing containing deionized water.
In one embodiment, opposite side walls of the sampling channel are respectively provided with a first measuring window and a second measuring window, the base is provided with a first section of channel leading to the outer side of the first measuring window and a second section of channel leading to the outer side of the second measuring window, a collimating lens is arranged in the first section of channel, and a coupling lens is arranged in the second section of channel; the first section of channel, the measurement channel and the second section of channel are used for forming a measurement light path.
In one embodiment, the first channel segment is used for connecting a light source, and the second channel segment is used for connecting a spectrometer.
The invention provides a water quality monitor in a second aspect, which comprises a spectrometer and a water sample collecting device in any one of the above aspects.
In one embodiment, the spectrometer is communicatively coupled to a processor, which is communicatively coupled to a data store; the processor is used for acquiring the spectral information of the reference light and the spectral information of the measuring light transmitted by the spectrometer and acquiring the comparison result of the spectral information of the reference light and the spectral information of the measuring light; the data memory is used for storing the spectrum information of the reference light, the spectrum information of the measuring light and the comparison result.
The invention has the beneficial effects that: the water sample collecting device provided by the invention is provided with the measuring window in the sampling channel to form the measuring channel, and the movable reference module is introduced, so that the water sample collecting device has the reference light measuring function and the calibrating function; due to the single-channel design, a light source with lower power can be used, a shutter for controlling the light passing time and a light splitting device for splitting one beam into two beams are omitted, so that the structure is simple and reliable, and the loss of spectral information can be avoided.
Compared with the prior water quality monitor, the water quality monitor provided by the invention has a simple and reliable structure, can avoid the loss of spectral information, and can accurately measure the concentration of substances in water.
Drawings
Fig. 1 is a schematic view of a first state of a water sample collection device according to an embodiment of the present invention;
FIG. 2 is a schematic view of a partial structure of a water sample collecting device according to an embodiment of the present invention;
FIG. 3 is an enlarged partial view of portion A of FIG. 2;
FIG. 4 is an enlarged partial view of portion B of FIG. 2;
FIG. 5 is a schematic diagram of a second state of the water sample collecting device according to the embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a moving mechanism of the water sample collecting device according to the embodiment of the present invention;
FIG. 7 is a schematic diagram of a water quality monitor according to an embodiment of the present invention;
description of reference numerals: 1. a base; 2. a sampling channel; 3. a measurement channel; 4. a reference module; 5. fixing a bracket; 6. a first translation mechanism; 7. a second translation mechanism; 8. a reference module light transmissive window; 9. deionized water; 10. a first scraping brush; 11. a second scraping brush; 12. a spectrometer; 13. a collimating lens; 14. a coupling lens; 15. a light source; 16. a window is measured.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
As shown in fig. 1 to 7, a first aspect of the present invention provides a water sample collecting device, which includes a base 1, wherein the base 1 is provided with a sampling channel 2 for communicating with the outside; the opposite side walls of the sampling channel 2 are respectively provided with a measuring window 16, and a measuring channel 3 for light to pass through is formed between the opposite measuring windows 16; the base 1 is connected with a reference module 4 through a moving mechanism; the reference block 4 is light-permeable at least in the direction of the measuring channel 3, it being possible for the reference block 4 to be provided completely transparent; the reference block 4 can be moved to the measurement channel 3 such that the measurement channel 3 forms part of the reference light path; reference module 4 may be used to hold other substances. Fig. 1 shows a first state of a water sampling apparatus according to an embodiment of the present invention, in which a water quality monitor connected to the water sampling apparatus can be calibrated; when reference light is projected outside the measurement window 16, the spectral information and the absorbance of the light passing through the reference module 4 can be used as the detection standard of the water quality monitor, i.e. the reference light measurement function is realized; fig. 5 shows a second state of the water sample collecting device according to the embodiment of the present invention, in which the reference module 4 is moved out of the measuring channel 3 via the moving mechanism, and at this time, the water sample can enter the measuring channel 3 via the sampling channel 2, so as to realize sampling. So that the water quality monitor connected to the water sample collecting device realizes the monitoring function.
The water sample collecting device provided by the invention is provided with the measuring window 16 in the sampling channel 2 to form the measuring channel 3, and the movable reference module 4 is introduced at the same time, so that the water sample collecting device has a calibration function and a reference light measuring function; due to the single-channel design, the light source 15 with lower power can be used, and a shutter for controlling the light passing time and a light splitting device for splitting one beam into two beams are omitted, so that the structure is simple and reliable, and the loss of spectral information can be avoided.
In one embodiment, the reference block 4 is provided with a reference block light-transmissive window 8 at an end face in the direction of the measurement channel 3; preferably, the reference module light transmissive window 8 is a sapphire glass window; reference module 4 is a cylindrical structure.
In one embodiment, measurement window 16 is a sapphire glass window.
In one embodiment, the moving mechanism is a mechanism that can move the reference module 4 along a predetermined trajectory in a plane, such as a linkage mechanism, a cam mechanism, or the like.
In one embodiment, the movement mechanism comprises a first translation mechanism 6 that moves the reference module 4 in a first direction, which is the axial direction of the sampling channel. The first translation mechanism 6 can move the reference block 4 into or out of the measurement channel 3.
In one embodiment, a first wiper 10 for cleaning the measurement window 16 is attached to the end face of the reference module 4. The first wiper 10 provided at the end face of the reference block 4 can clean the measurement window 16 while the first translation mechanism 6 moves the reference block into or out of the measurement channel 3; as shown in fig. 1, the first translation mechanism 6 enables the reference module 4 to move in and out of the measurement channel 3 in the vertical direction, and the first wiper 10 may be a bar-shaped wiper arranged in the horizontal direction, which cleans the measurement window 16 during the up-and-down movement.
In one embodiment, the movement mechanism comprises a second translation mechanism 7 that can move the reference block 4 in a second direction; the second direction is perpendicular to the first direction and parallel to the plane of the measurement window 16; the first translation mechanism 6 is connected with the second translation mechanism 7; the base is connected with a second wiper 11 for cleaning the reference module light-transmitting window 8. Due to the presence of the first translation mechanism 6 and the second translation mechanism 7, the movement mechanism can be moved up and down along the sampling channel 2 and also left and right with respect to the measurement window 16.
In one embodiment, the first translation mechanism 6 and the second translation mechanism 7 are each a lead screw-nut mechanism; the first translation mechanism 6 and the second translation mechanism 7 are driven by a first motor and a second motor respectively. The first translation mechanism 6 and the second translation mechanism 7 may also adopt other structures for realizing linear motion, such as a synchronous belt, a chain, a cylinder, a linear motor, and the like.
In one embodiment, reference module 4 comprises a transparent housing attached to a movement mechanism, housing deionized water 9; preferably, the transparent housing may be cylindrical and is suspended from the moving mechanism by a square fixing bracket 5.
In one embodiment, the opposite side walls of the sampling channel 2 are respectively provided with a first measuring window and a second measuring window, the base 1 is provided with a first section of channel leading to the outer side of the first measuring window and a second section of channel leading to the outer side of the second measuring window, the first section of channel is internally provided with a collimating lens 13, and the second section of channel is internally provided with a coupling lens 14; the first section of channel, the measurement channel 3 and the second section of channel are used to form a measurement light path. When reference module 4 occupies measurement channel 3, the first, reference module 4 and second channel segments can be used to form a reference optical path in cooperation with the light source and lens.
In one embodiment, the first channel is used to connect to the light source 15 and the second channel is used to connect to the spectrometer 12. When measuring light enters a spectrometer 12 of the water quality monitor through a measuring light path, the spectrometer 12 can convert the received light into an electric signal, the electric signal is converted by an operational amplifier and then outputs an electric signal which is in direct proportion to the concentration to an external processor, and the external processor outputs the concentration of a component to be measured; the light source 15 is a device for providing measurement light and reference light, and may be an LED lamp or a xenon lamp.
As shown in fig. 7, a second aspect of the present invention provides a water quality monitor, comprising a spectrometer 12, and further comprising a water sample collecting device according to any one of the above embodiments; the spectrometer is used for acquiring the spectral information of the reference light and the spectral information of the measuring light, and the reference light and the measuring light are from the same light source.
In one embodiment, the spectrometer 12 is communicatively coupled to a processor, which is communicatively coupled to a data store; the processor is used for acquiring the spectral information of the reference light and the spectral information of the measuring light transmitted by the spectrometer and acquiring the comparison result of the spectral information of the reference light and the spectral information of the measuring light; the data memory is used for storing the spectrum information of the reference light, the spectrum information of the measuring light and the comparison result.
Compared with the prior water quality monitor, the water quality monitor provided by the invention has a simple and reliable structure, can avoid the loss of spectral information, and can accurately measure the concentration of a component to be measured in water quality.
Although the invention has been described in detail hereinabove with respect to a general description and specific embodiments thereof, it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. A water sample collecting device is characterized by comprising a base, wherein the base is provided with a sampling channel; the opposite side walls of the sampling channel are respectively provided with a measuring window, and a measuring channel is formed between the measuring windows; the base is connected to a reference module by a movement mechanism, the reference module being movable to the measurement channel to enable the measurement channel to form part of a reference light path.
2. The water sample collection device according to claim 1, wherein the reference module is provided with reference module light-transmitting windows at two ends in the direction of the measurement channel.
3. The water sample collection device according to claim 2, wherein the moving mechanism comprises a first translation mechanism capable of moving the reference module in a first direction, wherein the first direction is an axial direction of the sampling channel.
4. A water sample collection device as claimed in claim 3 wherein the reference module has a first wiper attached to its end face for cleaning the measurement window.
5. The water sample collection device according to claim 3, wherein the moving mechanism comprises a second translation mechanism capable of moving the reference module in a second direction; the second direction is perpendicular to the first direction and parallel to the plane where the measuring window is located; the first translation mechanism is connected with the second translation mechanism; the base is connected with a second scraping brush used for cleaning the light-transmitting window of the reference module.
6. A water sample collection device as claimed in any one of claims 1 to 5 wherein the reference module comprises a transparent housing connected to the movement mechanism, the housing containing deionized water.
7. The water sample collecting device according to any one of claims 1 to 5, wherein opposite side walls of the sampling channel are respectively provided with a first measuring window and a second measuring window, the base is provided with a first section of channel leading to the outer side of the first measuring window and a second section of channel leading to the outer side of the second measuring window, a collimating lens is arranged in the first section of channel, and a coupling lens is arranged in the second section of channel; the first section of channel, the measurement channel and the second section of channel are used for forming a measurement light path.
8. The water sample collection device according to claim 7, wherein the first channel is connected to a light source, and the second channel is connected to a spectrometer.
9. A water quality monitor comprising a spectrometer and further comprising a water sample collection device as claimed in any one of claims 1 to 8.
10. The water quality monitor of claim 9 wherein the spectrometer is communicatively coupled to a processor, the processor being communicatively coupled to a data store; the processor is used for acquiring the spectral information of the reference light and the spectral information of the measuring light transmitted by the spectrometer and acquiring the comparison result of the spectral information of the reference light and the spectral information of the measuring light; the data memory is used for storing the spectrum information of the reference light, the spectrum information of the measuring light and the comparison result.
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Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5805283A (en) * | 1996-06-19 | 1998-09-08 | Northeast Photosciences, Inc. | Interferometric environmental monitor system for monitoring the presence and identification of pollutants |
| JP2001056292A (en) * | 1999-08-19 | 2001-02-27 | Shinko Plant Kensetsu Kk | Ozone concentration measuring device |
| CA2402230A1 (en) * | 2000-03-10 | 2001-09-20 | Textron Systems Corporation | Optical probes and methods for spectral analysis |
| KR20020022876A (en) * | 2000-09-21 | 2002-03-28 | 박호군 | An automatic quality measurement system based on a high performance optical fiber probe |
| WO2009068022A2 (en) * | 2007-11-30 | 2009-06-04 | Sentronic GmbH Gesellschaft für optische Meßsysteme | Spectrometer measuring head for analysing characteristic variables of liquid, pasty or solid substances |
| CN102353634A (en) * | 2011-06-15 | 2012-02-15 | 西安毅达信息系统有限公司 | Online calibration method of laser online detection system for direction of gas contents in smoke |
| US20120287422A1 (en) * | 2011-05-09 | 2012-11-15 | Wtw Wissenschaftlich-Technische Werkstatten Gmbh | System for measuring properties of test samples in fluid |
| US20140008539A1 (en) * | 2012-07-09 | 2014-01-09 | John Magie Coffin | Motorized Variable Path Length Cell for Spectroscopy |
| CN103630497A (en) * | 2012-08-21 | 2014-03-12 | 杭州希玛诺光电技术有限公司 | Movable type reference beam device used for water quality analyzer |
| CN103776787A (en) * | 2014-02-25 | 2014-05-07 | 杭州纳宏光电科技有限公司 | Double-spectrum water quality analyzer |
| CN204439532U (en) * | 2015-02-15 | 2015-07-01 | 北京连华永兴科技发展有限公司 | A kind of multi-wavelength colorimetric measuring device |
| JP2017015489A (en) * | 2015-06-30 | 2017-01-19 | 株式会社ニコン | Imaging device |
| CN106568715A (en) * | 2016-09-30 | 2017-04-19 | 深圳市赛宝伦科技有限公司 | Online type full-spectrum water quality analyzer |
| CN111351755A (en) * | 2020-04-28 | 2020-06-30 | 北京微芯边缘计算研究院 | Full spectrum water quality sensor |
-
2020
- 2020-08-06 CN CN202010785204.6A patent/CN111896320B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5805283A (en) * | 1996-06-19 | 1998-09-08 | Northeast Photosciences, Inc. | Interferometric environmental monitor system for monitoring the presence and identification of pollutants |
| JP2001056292A (en) * | 1999-08-19 | 2001-02-27 | Shinko Plant Kensetsu Kk | Ozone concentration measuring device |
| CA2402230A1 (en) * | 2000-03-10 | 2001-09-20 | Textron Systems Corporation | Optical probes and methods for spectral analysis |
| KR20020022876A (en) * | 2000-09-21 | 2002-03-28 | 박호군 | An automatic quality measurement system based on a high performance optical fiber probe |
| WO2009068022A2 (en) * | 2007-11-30 | 2009-06-04 | Sentronic GmbH Gesellschaft für optische Meßsysteme | Spectrometer measuring head for analysing characteristic variables of liquid, pasty or solid substances |
| US20120287422A1 (en) * | 2011-05-09 | 2012-11-15 | Wtw Wissenschaftlich-Technische Werkstatten Gmbh | System for measuring properties of test samples in fluid |
| CN102353634A (en) * | 2011-06-15 | 2012-02-15 | 西安毅达信息系统有限公司 | Online calibration method of laser online detection system for direction of gas contents in smoke |
| US20140008539A1 (en) * | 2012-07-09 | 2014-01-09 | John Magie Coffin | Motorized Variable Path Length Cell for Spectroscopy |
| CN103630497A (en) * | 2012-08-21 | 2014-03-12 | 杭州希玛诺光电技术有限公司 | Movable type reference beam device used for water quality analyzer |
| CN103776787A (en) * | 2014-02-25 | 2014-05-07 | 杭州纳宏光电科技有限公司 | Double-spectrum water quality analyzer |
| CN204439532U (en) * | 2015-02-15 | 2015-07-01 | 北京连华永兴科技发展有限公司 | A kind of multi-wavelength colorimetric measuring device |
| JP2017015489A (en) * | 2015-06-30 | 2017-01-19 | 株式会社ニコン | Imaging device |
| CN106568715A (en) * | 2016-09-30 | 2017-04-19 | 深圳市赛宝伦科技有限公司 | Online type full-spectrum water quality analyzer |
| CN111351755A (en) * | 2020-04-28 | 2020-06-30 | 北京微芯边缘计算研究院 | Full spectrum water quality sensor |
Non-Patent Citations (4)
| Title |
|---|
| 卢欣春;袁颖华;孙颖奇;赵舒迪;罗勇钢;: "水质在线监测仪用微型分光系统的设计与分析", 光学与光电技术, no. 06, 10 December 2017 (2017-12-10) * |
| 牛健;张迁礼;孙永欣;: "基于UV法的COD在线监测方法的研究", 自动化技术与应用, no. 01, 25 January 2015 (2015-01-25) * |
| 褚东志;马海宽;吴宁;曹煊;孔祥峰;郭翠莲;王昭玉;: "水质油污染原位传感器稳定性设计", 传感技术学报, no. 11, 15 November 2017 (2017-11-15) * |
| 魏康林;吕聪;周丰;戴贤明;: "基于"动态参比"的水质监测背景光谱测量信号消除方法研究", 三峡大学学报(自然科学版), no. 04, 17 May 2018 (2018-05-17) * |
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