CN109030842A - A kind of nutrients in sea water in-situ study device - Google Patents
A kind of nutrients in sea water in-situ study device Download PDFInfo
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- CN109030842A CN109030842A CN201810904083.5A CN201810904083A CN109030842A CN 109030842 A CN109030842 A CN 109030842A CN 201810904083 A CN201810904083 A CN 201810904083A CN 109030842 A CN109030842 A CN 109030842A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/02—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
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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
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Abstract
The invention discloses a kind of nutrients in sea water in-situ study devices, including measure control and photoelectric conversion module, take sampling module, power supply module, underwater in-situ filtering module, reagent and standard specimen memory module and colorimetric analysis measurement module；Underwater in-situ filtering module and plunger pump are installed in the first cabin, colorimetric analysis measurement module, full-automatic selection valve head and reagent and standard specimen memory module are mounted in the second cabin, power supply module, measurement control and photoelectric conversion module are mounted in third cabin, and mutually isolation seals between two adjacent cabins and all liquid flow path and connector are external except cabin.The present apparatus has done specific division to Light Electrical and liquid channel system, the all sealing assembly of light, electrically and mechanically rotating part, fluid path part is all placed outside in water environment, pipeline breaking, the interface loosening occurred when even if accident occurs leads to liquid leakage, and apparatus subject Light Electrical part is still very safe.
Description
Technical field
The present invention relates to sea water analysis devices, and in particular to a kind of nutrients in sea water in-situ study device.
Background technique
The nutritive salt such as N, P, Si are the bases of marine food chain in seawater, study content of nutritive salt in seawater or distribution characteristics
It is the basis for studying marine biogeochemistry cyclic process.
The current detection in relation to nutrients in sea water mainly uses spot sampling, takes back on ship or bank station laboratory is located in advance
Reason and measurement, this method working efficiency is low, and sample is easy pollution, and is difficult to realize the long-time sequence of nutritive salt in seawater
Column monitoring, the early warning particularly with far-reaching extra large ECOLOGICAL ENVIRONMENTAL MONITORING and time series are predicted, above-mentioned detection method be even more power not from
The heart.In recent years, with the continuous development of marine monitoring technology and progress, for nutritive salt in seawater detection technique by
Step moves towards live online up in situ measurement from laboratory, and in China, the research of the in situ detection technology in relation to nutritive salt is also located
In the starting stage, mature technology is still blank so far.With deepening continuously for ocean understanding, the country, which has begun, seeks seawater
It supports salt in-situ technique to pay attention to, but technology is still immature.
Patent document CN206863042U discloses " a kind of Portable seawater nutritive salt automatical analysis device ", the device
Wet-chemical colorimetric measurements based on national standard, however device liquefaction access and the equal water-stop of electronic system are in system
Inside, the catastrophic collapse of instrument caused by easily being leaked because of seawater or reagent.In addition, colorimetric measurement sample cell mostly uses biography at present
System cuvette, reagent and sample consumption are big, and optical attenuation is strong, and detection sensitivity is low.
Summary of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, a kind of seawater nutrition safe to use is provided
Salt in-situ study device
To achieve the above object, the technical scheme is that
A kind of nutrients in sea water in-situ study device, including measure control and photoelectric conversion module, take sampling module, power supply
Module, underwater in-situ filtering module, reagent and standard specimen memory module and colorimetric analysis measurement module；Wherein,
Power supply module respectively with measurement control and photoelectric conversion module and sampling module is taken to be electrically connected, to be controlled to measure
And photoelectric conversion module and take sampling module work provide electricity；
The measurement control and photoelectric conversion module include measure-controlling unit and photoelectric conversion unit；
The underwater in-situ filtering module is used to be filtered the collected seawater of institute；
It is described that sampling module is taken to be connected with underwater in-situ filtering module, for carrying out sampling to filtered seawater；
It takes sampling module also to connect with signal with measure-controlling unit, the work for taking sampling module is controlled by measure-controlling unit；
The reagent and standard specimen storage module are made of multiple kits and standard specimen box, take sampling module and kit and mark
Sample box phase fluid path connection, by reagent and sample delivery to taking in sampling module；
The colorimetric analysis measurement module with take sampling module phase fluid path to be connected to, for the sample for taking sampling module to be adopted
Measure analysis；Photoelectric conversion unit is connected with colorimetric analysis measurement module, with the work for colorimetric analysis measurement module
Light quantity is provided；
Described to take sampling module to include plunger pump and automatically select valve head, the plunger pump is used for filtered seawater
And the pump such as reagent, standard specimen in kit is to full-automatic selection valve head, valve head is external has several fluid path to connect for full-automatic selection
Head.
The underwater in-situ filtering module and plunger pump are installed in the first cabin, colorimetric analysis measurement module, full-automatic
Selection valve head and reagent and standard specimen memory module are mounted in the second cabin, power supply module, measurement control and photoelectric conversion mould
Block is mounted in third cabin；First cabin, the second cabin, third cabin are successively vertically arranged from low to high, two adjacent cabins
Mutually isolation seals between body and all liquid flow path and connector are external except cabin.
Watertight cable connector for powering and with host computer communication is installed on the upper end cover of the third cabin；
Optical fiber or signal cable seal nipple group for transmitting photosignal is installed in the lower cover of third cabin, in three cabins
It is gone back in the lower cover of body while the service cable watertight connector group for taking sampling module being installed.
The liquid outlet of the kit and standard specimen box covers buckle joint by male and female threading and automatically selects the external liquid of valve head
Pipeline connector is connected；Male female one end of male and female threading set buckle joint is connected with the liquid outlet of kit and standard specimen box, and male and female is worn
The mother of sleeve-board buckle joint/male one end is connected by the corrosion-resistant hose fluid path connector external with full-automatic selection valve head, is disconnected
Male and female threading hitch, fluid path cut-off, kit and standard specimen box are in closed state, are connected to male and female threading hitch, and fluid path is connected to,
Reagent and full-automatic selection valve head perforation in kit；The kit and standard specimen box be made by light screening material and
Surface color is different.
Connector being provided in the lower end of the kit and standard specimen box, plate being installed, connector, which was installed, is provided with public affairs on plate
Female threading set buckle joint installation screw, takes sampling module fixation hole and cable via hole at installation fixed link automatically.
The colorimetric analysis measurement module includes colorimetric measurement sample cell；The colorimetric measurement sample cell is by liquid core waveguide pipe
And it is assemblied in " Z " type light liquid coupling composition at liquid core waveguide pipe both ends, the length of liquid core waveguide pipe can appoint as needed
Meaning is adjusted, and the diameter of liquid core waveguide pipe is adjustable within the scope of 1500um；Its light liquid coupling aperture of the smooth liquid coupling is water
Close structure design.
The photoelectric conversion unit is by optical fiber, light source power supply control subelement and the imported spectrum monitoring subelement group of optical fiber
At, patch optical fiber in the smooth liquid coupling optical output port, by colorimetric photometric signal pass through light be connected to incoming fiber optic input
In type spectrum monitoring subelement；Light input port patches optical fiber in light liquid coupling, and optical fiber output type light energy is led to
It crosses optical fiber and imports colorimetric measurement sample cell.
The photoelectric conversion unit controls subelement by light source power supply and analog electrical signal processing subelement forms；Described
The optical output port of light liquid coupling installs photodetector, and contrastive colours photometric signal carries out photodetection, by photodetection
Signal handles subelement by electrical connection access analog electrical signal；Light is installed in the light input port of the smooth liquid coupling
Source is electrically connected power supply control between light source and light source power supply control subelement.
The power control module is a magnetic switch, to pass through external magnet Untouched control power supply process.
The underwater in-situ filtering module is made of outer filter screen and interior filtration core two parts, and the outer filter screen is by titanium valve
Or 316 powder of stainless steel sintering constitute, for the interior filtration core by the sintering bar construction with aperture, the aperture of outer filter screen is big
In the aperture of sintered bar；The sintered bar is titanium valve or 16 stainless steel powders or copper powder sintered bar.
The fluid path input adapter of Z-type light liquid coupling in the colorimetric measurement sample cell water inlet and full-automatic selection
A channel in several external connectors of valve head is connected by corrosion-resistant pipeline watertight, the colorimetric measurement sample cell water outlet
The fluid path out splice going splice of the Z-type light liquid coupling of mouth is connect with waste liquid collecting bag by corrosion-resistant waste discharge pipeline watertight, waste liquid
Collecting bag is higher than colorimetric analysis measurement module, to realize that exhaust waste discharge is unimpeded.
Compared with prior art, the present invention the beneficial effect is that:
1, nutrients in sea water in-situ measurement device of the invention has done specific division to Light Electrical and liquid channel system, light,
The all sealing assembly of electrically and mechanically rotating part, fluid path part is all placed outside in water environment, occurs when even if accident occurs
Pipeline breaking, interface loosening lead to liquid leakage, and instrument theme Light Electrical part is still very safe, for wet-chemical analysis
It is the advantage and breakthrough of an increasing.
2, structure of the invention is compact to design, flexible, and disassembly, assembly are easy, and measurement process is former in combination with sample materialization environment
Position is automatically finished, and only needs to change light source；It can be used to the in situ of each heavy metal species, nutritive salt and other environmental parameters to survey
Amount has wide application market and good application prospect.
3, the used sample cell high sensitivity of the present invention, applied widely, sample and reagent dosage are small, are highly suitable for
Underwater long-term sequence in-situ monitoring and early warning, can realize extremely low concentration and wide dynamic range by adjusting the length of sample cell
The highly sensitive detection of the tinctures such as nutritive salt.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of nutrients in sea water in-situ study device provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of colorimetric measurement sample cell；
Fig. 3 is the structural schematic diagram figure that connector installed plate；
Fig. 4 is the structural schematic diagram of third cabin upper end cover；
Fig. 5 is the structural schematic diagram of third cabin lower cover；
In figure: 1, measurement control and photoelectric conversion module；2, sampling module is taken；3, underwater in-situ filtering module；4, reagent
And standard specimen memory module；5, colorimetric analysis measurement module；6, connector installed plate；7, the first cabin；8, the second cabin；9,
Three cabins；51, colorimetric measurement sample cell；61, installation screw；62, reagent and standard specimen Storage Box install fixation hole；91, communication and
Power supply watertight cable connector；91, cable sealed joint group；93, service cable watertight connector group；511, liquid core waveguide pipe；512,
Light liquid coupling；5120, optical output port；5121, light input port；5122, fluid path input adapter；5123, fluid path exports
Connector.
Specific embodiment
The contents of the present invention are described in further details with reference to the accompanying drawings and detailed description.
Embodiment:
Refering to fig. 1 shown in -5, a kind of nutrients in sea water in-situ study device provided in this embodiment include measurement control and
Photoelectric conversion module 1 takes sampling module 2, power supply module (not shown), underwater in-situ filtering module 3, reagent and standard specimen storage
Module 4 and colorimetric analysis measurement module 5.
Wherein, the power supply module respectively with measurement control and photoelectric conversion module 1 and sampling module 2 is taken to be electrically connected, with
For measurement control and photoelectric conversion module 1 and the work of sampling module 2 is taken to provide electricity, specifically, which is mainly
One magnetic switch in order to which the adjusting of power supply process controls, and can be somebody's turn to do by external magnet Untouched control power supply process
Measurement control and photoelectric conversion module 1 are then mainly made of measure-controlling unit and photoelectric conversion unit two parts.
For the underwater in-situ filtering module 3 then for being filtered to a collected seawater, provided herein is underwater
Filtering module in situ is miniature Multistage filtering device, and for the volume for reducing instrument, which is in patent document
It is optimized on the basis of " a kind of underwater in-situ filter device " disclosed in CN102553325B, mainly by outer filter screen
It is formed with interior filtration core two parts, for the reliability for ensuring to filter in situ, the outer filter screen is by titanium valve or 316 powder of stainless steel
Sintering is constituted, and has rigidity well, and pressure resistance is indeformable, and the interior filtration core is then sintered bar construction, the sintering by certain pore size
The optional titanium valve of stick, 316 stainless steel powders or copper powder sintered bar, in addition, to increase the corrosion resistant performance of filter device, sintered bar selects copper
The aperture of matter sintered bar, outer filter screen is greater than interior filter stick.
This take sampling module 2 mainly by for sample take out spread to mixing high precision piston pump and its electro-mechanical driving device and
The full-automatic selection valve head and its electro-mechanical driving device chosen for sample, reagent are constituted, this automatically selects the external M of valve head
A (M > 1) fluid path connector, underwater in-situ filtering module 3 connect with a sample introduction in the full-automatic selection external M connector of valve head
It is connected between head by corrosion-resistant pipe fitting, filtered seawater is sampled with realizing；In addition, to adapt to different sea areas, no
With sample filtration needs, filtering module 3 can mating installation N (N >=1) it is a more than, and this takes the work of sampling module 2 main
It is to be controlled by control unit.
And the reagent and standard specimen storage module 4 are made of multiple kits and standard specimen box, to ensure reagent long-term reliability,
The reagent and standard specimen box are made of light screening material, and liquid is connected between the liquid outlet and the external fluid path connector of valve head of kit, to increase
The safety for adding instrument avoids standard specimen and reagent leakage in kit, it is preferred that connect in the liquid outlet of kit and standard specimen box
The connector with cutoff function is connect, cutoff function connector is that male and female threading covers buckle structure, male female one end of connector and kit
Liquid outlet be connected, other end mother/pin end threading of connector is connected with full-automatic selection valve head by corrosion-resistant hose, disconnected
Hitch, fluid path cut-off are opened, kit and standard specimen box are in closed state, are connected to hitch, fluid path connection, kit and standard specimen box
In reagent and standard specimen and full-automatic selector valve penetrate through.Further, to improve the safety that instrument uses, misconnection is avoided to miss
Even, reagent and standard specimen box do different color designs respectively.Meanwhile for the safety to increase kit, standard specimen box uses
And flexibility is crossed on plate and is set as shown in figure 3, design has cutoff function connector to install plate 6 in the lower end of reagent and standard specimen box
Plate connector installation screw 61, reagent and standard specimen Storage Box installation fixation hole 62, automatic sampling module is crossed in respect of cutoff function to fix
Hole and cable via hole.The one end connecting in plate cutoff function connector with automatic sampling module is crossed to be fixed on by installation screw 61
It crosses on plate.
And the colorimetric analysis measurement module 5 is then mainly made of colorimetric measurement sample cell 51, as shown in Fig. 2, colorimetric is surveyed
Amount sample cell 51 is by being totally reflected AF-2400 liquid core waveguide pipe 511 and being assemblied in " Z " type light liquid coupling at liquid core waveguide pipe both ends
Splice grafting head 512 is constituted, and the length of liquid core waveguide pipe 511 can be adjusted arbitrarily as needed, and the diameter of liquid core waveguide pipe 511 exists
It is adjustable within the scope of 1500um；, in situ measurement, to be somebody's turn to do its light liquid coupling aperture 512 of " Z " type light liquid coupling convenient for safe and applicable
It is watertight structure design.In addition, increasing its flexibility used to expand the use scope of colorimetric measurement sample cell；It should
There are two types of photoelectric conversion unit designs: the first, photoelectric conversion unit controls subelement by optical fiber output light source, light source power supply
With the imported spectrum monitoring subelement composition of optical fiber；Second, photoelectric conversion unit controls subelement and simulation by light source power supply
Electric signal processing subelement composition；And in the light liquid coupling 512 there are two types of the designs of optical output port 5120: the first is,
Photodetector directly is installed in optical output port 5120, contrastive colours photometric signal carries out photodetection, by photodetection signal
Subelement is handled by electrical connection access analog electrical signal.Second is optical fiber to be patched in optical output port 5120, by colorimetric
Photometric signal is connected to the imported spectrum monitoring subelement of optical fiber in access measurement and photoelectric conversion unit by light.Correspondingly, light
In liquid coupling 512 there are two types of the designs of light input port 5121: the first is, directly installs light in light input port 5121
Source is electrically connected power supply control between light source and light source power supply control subelement corresponding in measurement control and photoelectric conversion module.
Second is that light input port 5121 patches optical fiber in light liquid coupling, will be mentioned in measurement control and photoelectric conversion module
The optical fiber output type light energy of confession imports colorimetric measurement sample cell, and " Z " of the colorimetric measurement sample cell water inlet by optical fiber
The fluid path input adapter 5122 of type light liquid coupling passes through with a channel in the full-automatic selection external M connector of valve head
Corrosion-resistant pipeline watertight connection, the fluid path out splice going splice 5123 of " Z " type light liquid coupling of colorimetric measurement sample cell water outlet
It is connect with waste liquid collecting bag by corrosion-resistant waste discharge pipeline watertight, waste liquid collecting bag is suspended on slightly above by waste fluid bag hook
Measurement top is unimpeded to ensure sampling system exhaust waste discharge.
Above-mentioned underwater in-situ filtering module 3 and plunger pump are installed on 7 in the first cabin, colorimetric analysis measurement module 5, complete
It automatically selects valve head and reagent and standard specimen memory module 4 is mounted in the second cabin 8, power supply module, measurement control and photoelectricity
Conversion module 1 is mounted in third cabin 9；First cabin 7, the second cabin 8, third cabin 9 are successively vertically set from low to high
It sets, mutually isolation seals between two adjacent cabins and all liquid flow path and connector are external except cabin.Namely
It says, all electronic systems, optical system and the mechanical moving element of the present apparatus are sealed in sealing cabin, all
Liquid flow path and connector are external in water body, it is ensured that liquid flow path and light, mechanical, electrical component are completely isolated, avoid instrument liquid
Pipeline leakage or connector breakage failure bring fatefulue damage to critical components such as Light Electricals, while by setting the present apparatus
Three-decker is counted into, can be easily installed, dismantle and scene safely and effectively work in situ.
In addition, being installed on the upper end cover of above-mentioned third cabin in order to further improve the safe handling of the present apparatus
Have for power and with the communication of host computer communication and power supply watertight cable connector 91；Pacify in the lower cover of third cabin
Equipped with the optical fiber or signal cable seal nipple group 92 for transmitting photosignal, goes back while pacifying in the lower cover of three cabins
Equipped with the service cable watertight connector group 93 for taking sampling module.
The application method of this nutrients in sea water in-situ measurement device is specific as follows:
S1. by kit, the cutoff function connector of the liquid outlet of standard specimen box and BULKHEAD UNION be clamped, it is ensured that reagent pure water and
Titer and full-automatic selector valve penetrate through；Kit, standard specimen box are installed fixed link by reagent and standard specimen Storage Box and are consolidated simultaneously
It is fixed.
S2. waste fluid bag bottle and the fluid path connector of " Z " type light liquid coupling of colorimetric measurement sample cell water outlet are passed through
Corrosion-resistant waste discharge pipeline watertight connection, is suspended on instrument upper end；
S3. it controls instrument by magnetic switch to power on, analyzer, which enters, waits user instruction state, can receive at this time upper
The operational order of machine, user can according to need through host computer user interface control automatic sampling and colorimetric analysis and right
Device carries out the work such as cleaning；If not receiving specific instruction in fixed time period or receiving automatic data collection instruction,
Then enter the analysis of nutritive salt automatic sampling and information stored on-site.
S4. after working, magnetic switch controls instrument power-off, if not having to for a long time, by reagent bag box and standard specimen box from instrument
It is taken out on device, waste fluid bag is removed, cleaning rear venting storage is carried out to pipeline
It follows that nutrients in sea water in-situ study device provided by the invention has following technical advantage:
1, nutrients in sea water in-situ measurement device of the invention has done specific division to Light Electrical and liquid channel system, light,
The all sealing assembly of electrically and mechanically rotating part, fluid path part is all placed outside in water environment, occurs when even if accident occurs
Pipeline breaking, interface loosening lead to liquid leakage, and instrument theme Light Electrical part is still very safe, for wet-chemical analysis
It is a great advantage and breakthrough.
2, structure of the invention is compact to design, flexible, and disassembly, assembly are easy, and measurement process is former in combination with sample materialization environment
Position is automatically finished, and only needs to change light source；It can be used to the in situ of each heavy metal species, nutritive salt and other environmental parameters to survey
Amount has wide application market and good application prospect.
3, the used sample cell high sensitivity of the present invention, applied widely, sample and reagent dosage are small, are highly suitable for
Underwater long-term sequence in-situ monitoring and early warning, can realize extremely low concentration and wide dynamic range by adjusting the length of sample cell
The highly sensitive detection of the tinctures such as nutritive salt.
Simply to illustrate that technical concepts and features of the invention, its purpose is allows in the art above-described embodiment
Those of ordinary skill cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all
It is the equivalent changes or modifications that the essence of content according to the present invention is made, should be covered by the scope of protection of the present invention.
Claims (10)
1. a kind of nutrients in sea water in-situ study device, which is characterized in that including measurement control and photoelectric conversion module, take sampling
Module, power supply module, underwater in-situ filtering module, reagent and standard specimen memory module and colorimetric analysis measurement module；Wherein,
The power supply module respectively with measurement control and photoelectric conversion module and sampling module is taken to be electrically connected, to be controlled to measure
And photoelectric conversion module and take sampling module work provide electricity；
The measurement control and photoelectric conversion module include measure-controlling unit and photoelectric conversion unit；
The underwater in-situ filtering module is used to be filtered the collected seawater of institute；
It is described that sampling module is taken to be connected to underwater in-situ filtering module phase fluid path, for carrying out sampling to filtered seawater；
It takes sampling module also to connect with signal with measure-controlling unit, the work for taking sampling module is controlled by measure-controlling unit；
The reagent and standard specimen storage module are made of multiple kits and standard specimen box, take sampling module and kit and standard specimen box
Phase fluid path connection, by reagent and standard specimen sample delivery to taking in sampling module；
The colorimetric analysis measurement module with take sampling module phase fluid path to be connected to, with for take sampling module to be adopted sample carry out
Measurement analysis；Photoelectric conversion unit is connected with colorimetric analysis measurement module, is provided with the work for colorimetric analysis measurement module
Light quantity；
It is described that take sampling module include plunger pump and full-automatic selection valve head, the plunger pump be used for filtered seawater and
Kit and reagent, standard specimen in standard specimen box are pumped to full-automatic selection valve head, and valve head is external several fluid path for full-automatic selection
Connector.
The underwater in-situ filtering module and plunger pump are installed in the first cabin, colorimetric analysis measurement module, full-automatic selection
Valve head and reagent and standard specimen memory module are mounted in the second cabin, power supply module, measurement control and photoelectric conversion module peace
In third cabin；First cabin, the second cabin, third cabin are successively vertically arranged from low to high, two adjacent cabins it
Between mutually isolation sealing and all liquid flow path and connector are external except cabin.
2. nutrients in sea water in-situ study device as described in claim 1, which is characterized in that in the upper end of the third cabin
Cover the watertight cable connector being equipped with for powering and with host computer communication；It is installed in the lower cover of third cabin useful
In the optical fiber or signal cable seal nipple group of transmitting photosignal, also while being equipped in the lower cover of three cabins and take sampling
The service cable watertight connector group of module.
3. nutrients in sea water in-situ study device as claimed in claim 2, which is characterized in that the kit and standard specimen box
Liquid outlet covers the buckle joint fluid path connector external with valve head is automatically selected by male and female threading and is connected；Male and female threading covers buckle joint
Male female one end be connected with the liquid outlet of kit and standard specimen box, male and female threading cover buckle joint mother/male one end pass through it is corrosion-resistant
The hose fluid path connector external with full-automatic selection valve head is connected, and disconnects male and female threading hitch, fluid path cut-off, kit and mark
Sample box is in closed state, is connected to male and female threading hitch, and fluid path is connected to, and the reagent in kit is passed through with full-automatic selection valve head
It is logical；The kit and standard specimen box are made by light screening material and surface color is different.
4. nutrients in sea water in-situ study device as claimed in claim 3, which is characterized in that in the kit and standard specimen box
Lower end be provided with connector plate be installed, connector, which was installed, is provided with male and female threading set buckle joint installation screw, installation on plate
Fixed link takes sampling module fixation hole and cable via hole automatically.
5. nutrients in sea water in-situ study device as described in claim 1, which is characterized in that the colorimetric analysis measurement module
Including colorimetric measurement sample cell；The colorimetric measurement sample cell is by liquid core waveguide pipe and is assemblied in liquid core waveguide pipe both ends
" Z " type light liquid coupling is constituted, and the length of liquid core waveguide pipe can be adjusted arbitrarily as needed, and the diameter of liquid core waveguide pipe exists
It is adjustable within the scope of 1500um；Its light liquid coupling aperture of the smooth liquid coupling is watertight structure design.
6. nutrients in sea water in-situ study device as claimed in claim 5, which is characterized in that the photoelectric conversion unit is by light
Fine, light source power supply control subelement and the imported spectrum monitoring subelement composition of optical fiber, in the smooth liquid coupling light output
Port patches optical fiber, and colorimetric photometric signal is connected in the imported spectrum monitoring subelement of incoming fiber optic by light；In light liquid coupling
Light input port patches optical fiber in splice grafting head, and optical fiber output type light energy is imported colorimetric measurement sample cell by optical fiber.
7. nutrients in sea water in-situ study device as claimed in claim 5, which is characterized in that the photoelectric conversion unit is by light
Source power supply control subelement and analog electrical signal processing subelement composition；It is installed in the optical output port of the smooth liquid coupling
Photodetector, contrastive colours photometric signal carry out photodetection, and photodetection signal is passed through electrical connection access analog electrical signal
Handle subelement；The smooth liquid coupling light input port install light source, light source and light source power supply control subelement it
Between be electrically connected power supply control.
8. nutrients in sea water in-situ study device as described in claim 1, which is characterized in that the power control module is one
Magnetic switch, to pass through external magnet Untouched control power supply process.
9. nutrients in sea water in-situ study device as described in claim 1, which is characterized in that the underwater in-situ filtering module
It is made of outer filter screen and interior filtration core two parts, the outer filter screen is made of titanium valve or the sintering of 316 powder of stainless steel, described
For interior filtration core by the sintering bar construction with aperture, the aperture of outer filter screen is greater than the aperture of sintered bar；The sintered bar is titanium
Powder or 16 stainless steel powders or copper powder sintered bar.
10. nutrients in sea water in-situ study device as claimed in claim 5, which is characterized in that the colorimetric measurement sample cell
One in the fluid path input adapter of Z-type light liquid coupling in water inlet and full-automatic selection several external connectors of valve head
Channel is connected by corrosion-resistant pipeline watertight, and the fluid path of the Z-type light liquid coupling of the colorimetric measurement sample cell water outlet is defeated
Connector is connect with waste liquid collecting bag by corrosion-resistant waste discharge pipeline watertight out, and waste liquid collecting bag is higher than colorimetric analysis measurement module,
To realize that exhaust waste discharge is unimpeded.
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| CN116519610A (en) * | 2023-05-11 | 2023-08-01 | 原生代(青岛)科技有限公司 | Nutritive salt in-situ analysis device |
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| CN111610161B (en) * | 2020-04-29 | 2021-11-05 | 中国科学院南海海洋研究所 | Circulation system, seawater nutrient salt in-situ measurement device and measurement method |
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