CN207457079U - A kind of nutritive salt in-situ analyzer - Google Patents
A kind of nutritive salt in-situ analyzer Download PDFInfo
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- CN207457079U CN207457079U CN201721664276.5U CN201721664276U CN207457079U CN 207457079 U CN207457079 U CN 207457079U CN 201721664276 U CN201721664276 U CN 201721664276U CN 207457079 U CN207457079 U CN 207457079U
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Abstract
The utility model discloses a kind of nutritive salt in-situ analyzer, including microprocessor, driving part, multiple-way valve, syringe, colorimetric detector, mixing circle, sample pipe, pure water storehouse, standard solution storehouse and various reagents storehouse；The wherein each port of syringe, colorimetric detector, mixing circle, sample pipe, pure water storehouse, standard solution storehouse and various reagents storehouse respectively with multiple-way valve is correspondingly connected with；Microprocessor is sequentially connected the syringe pump of connection syringe after the first motor driver and the first motor；Microprocessor connects multiple-way valve after being sequentially connected the second motor driver and the second motor, controls in multiple-way valve and other each ports are sequentially communicated respectively in the port of syringe connection and multiple-way valve；Colorimetric detector connects microprocessor.The utility model analyzer continuously can sample and analyze automatically nutrient concentrations, and can realize the on-line analysis of Multiple components, have the advantages that simple in structure, powerful, strong applicability and reliability are high.
Description
Technical field
The utility model is related to a kind of Water Test Kits, more particularly to a kind of nutritive salt in-situ analyzer.
Background technology
Nutritive salt is material base necessary to marine phytoplankton growth.Nutritive salt various concentration in the seawater and group
Into influencing primary productivity of marine ecosystem, adjustment effect generated to the structure of community of phytoplankton, so as to influence marine ecosystems knot
Structure.In normal seawater, adequate nutrition salt can promote the breeding and growth of biology, but excessive nutritive salt, can promote
Some marine organisms is made drastically to breed, so as to largely consuming dissolved oxygen of seawater, make anoxic in seawater, so as to cause fish, shrimp,
Crab, the mortality of shellfish.Organic matter and nutritive salt are referred to as " eutrophication " to the pollution of ocean now.Understand ocean Zhong Ying
Spatial and temporal distributions and the variation of salt are supported, for understanding critical process, evaluation and the control ocean water body eutrophy of marine ecosystems
Change has great importance.At the beginning of nutritive salt in seawater is ingredient, and ocean necessary to marine phytoplankton growth and breeding
The basis of grade productivity and food chain.Therefore, in seawater the content of nutritive salt be the marine eco-environment monitoring important parameter, be
One of ocean conventional project of marine monitoring.
Traditional common assay method of nutrients in sea water is the spot sampling based on research vessel, then arrives experimental determination
Method.This method there are real-time is poor, waste of manpower, financial resources and the defects of the time, and sample vulnerable to pollution, at acquisition, pre- place
Evaluated error reachable -20%~+45% caused by the processes such as reason, loading, transport；Continuous data cannot be provided；It is not easy to monitor
Nutrient concentration change dramatically caused by the intermittent events such as rainfall, algal tufa outburst.The marine monitoring research card of the past few decades
Real, conventional method cannot fully meet the demand of reality.The flow of the existing nutrients in sea water analyzer of urgent need to resolve is complicated, consumption
Material is more, off-line analysis, cannot meet the problems such as low content measurement request.Therefore develop a kind of structure design is compact, watertightness is good,
High resolution, reliability are high, detection limit is low and can analyze the in-line analyzer of low content, provide in-situ data, the in time palm in real time
Marine eco-environment variation and eutrophic extent are held, quick make a policy and can study the change in time and space on the different scale of ocean
Nutrients in sea water analyzer be of great significance.
China's nutrients in sea water measurement analysis foundation《Marine monitoring specification》Defined method carries out, i.e., using traditional sampling
And lab analysis.There are following defects for this traditional lab analysis measuring method：The representative poor, sample of institute's sample thief exists
The loss of nutritive salt and many drawbacks such as variation in vulnerable to pollution, storage and transport sample in acquisition and preprocessing process,
Live continuous monitoring and the needs of increasingly urgent disaster reduction and prevention and scientific research cannot be met.
To develop in-situ Measurement of Seawater Nutrient technology, Ocean Technology in China research institute opens under 863-818 business models
The research of nutritive salt monitoring technology has been opened up, has had been developed that the nutrients in sea water in-situ automatic analyzer instrument model machine of separate type at present, point
Not with three kinds of lists such as phosphate in-situ automatic analyzer instrument, nitrite in-situ automatic analyzer instrument and nitrate in-situ automatic analyzer instrument
The form of machine exists, and still, there has been no the full-automatic nutrients in sea water in-line analyzers of achievable Multiple components analysis.
Utility model content
The purpose of the utility model is to overcome the shortcomings that the prior art with deficiency, provide it is a kind of it is simple in structure, function is strong
Greatly, strong applicability and the high nutritive salt in-situ analyzer of reliability, the nutritive salt in-situ analyzer can continuously sample automatically and
The content of nutritive salt is analyzed, and can realize the on-line analysis of Multiple components.
The purpose of this utility model is achieved through the following technical solutions：A kind of nutritive salt in-situ analyzer, including microprocessor
Device, driving part, multiple-way valve, syringe, colorimetric detector, mixing circle, sample pipe, pure water storehouse, standard solution storehouse and various
Agent bin；Wherein syringe, colorimetric detector, mixing circle, sample pipe, pure water storehouse and standard solution storehouse and various reagents storehouse
Each port with multiple-way valve is correspondingly connected with respectively；
The driving part includes the first motor driver, the first motor, the second motor driver and the second motor；It is described
Microprocessor is sequentially connected the syringe pump of connection syringe after the first motor driver and the first motor, for controlling syringe pump
Work；The microprocessor connects multiple-way valve after being sequentially connected the second motor driver and the second motor, for controlling multiple-way valve
Other each ports are sequentially communicated respectively in the port of neutralization syringe connection and multiple-way valve；
The colorimetric detector connects microprocessor, detection signal is sent to microprocessor, by microprocessor according to inspection
Survey the nutrient concentrations that signal determining goes out sample.
Preferably, waste collecting device is further included, the waste collecting device is corresponding with one of port of multiple-way valve
Connection.
Preferably, cadmium column is further included, one of port of the cadmium column and multiple-way valve is correspondingly connected with.
Preferably, the colorimetric detector includes light source, colorimetric pool, coupled lens and photoelectric converter；The light source
With the coupled lens both ends that be separately positioned on colorimetric pool opposite；The photoelectric converter connects microprocessor and is arranged on coupling
The beam projecting end of lens；In the colorimetric detector, colorimetric pool is communicated with a port connection of multiple-way valve.
Further, the light source is composite LED lamp source, and the colorimetric pool is the quartzy flow cell of 1cm light paths.
Preferably, the sample channel is a Teflon human relations pipe.
Preferably, the multiple-way valve is 8~24 port valves.
Preferably, the microprocessor is communicated by wireless communication module or signal wire with intelligent terminal, by sample
Nutrient concentrations data-signal be sent to intelligent terminal.
Preferably, protection cap on a waterproof protective case and one is further included, the upper protection cap sealing covers waterproof protective case；
Two storehouses up and down are divided by intermediate separate layer in the waterproof protective case, are respectively that water route protecting bin and circuit are protected
Storehouse is protected, wherein microprocessor, the first motor driver and the second motor driver is placed in circuit protection storehouse, described mostly logical
Valve, syringe, syringe pump, the first motor, the second motor, colorimetric detector and mixing circle are placed in the protecting bin of water route；
A protecting bin is placed above upper protection cap, pure water storehouse, standard solution storehouse and various reagents storehouse are put in protection
In storehouse, the pure water pipeline of pure water storehouse connection, the standard solution pipeline of standard solution storehouse connection and various reagents storehouse connect each
Reagent pipeline is through each port that multiple-way valve is connected respectively after protecting bin and upper protection cap；
One of port of sample pipe one end connection multiple-way valve, the other end are placed on waterproof guarantor through upper protection
Outside protective case；
The sample pipe and each reagent pipeline pass through is sealed processing at upper protection cap；Each reagent pipeline
Processing is sealed at through protecting bin.
Further, the waterproof protective case is installed in oceanographic buoy monitoring system, micro- in the circuit protection storehouse
Processor is communicated by signal wire or wireless communication module with the buoy data collector in oceanographic buoy monitoring system；
Buoy data collector control microprocessor starts at regular intervals once to be analyzed and processed, while buoy data collector gathers
The nutrient concentrations data-signal for the sample that microprocessor determines, and oceanographic buoy is transferred to by cordless communication network and is supervised
The data center of examining system.
The utility model is had the following advantages compared with the prior art and effect：
(1) the utility model nutritive salt in-situ analyzer includes microprocessor, driving part, multiple-way valve, syringe, colorimetric
Detector, mixing circle, sample pipe, pure water storehouse, standard solution storehouse and various reagents storehouse；Syringe, colorimetric detector, mixing
Circle, sample pipe, pure water storehouse, standard solution storehouse and various reagents storehouse are connected respectively with each port of multiple-way valve；It is wherein micro-
Processor can be controlled by motor in multiple-way valve and other any one ports connect in the port that syringe connects and multiple-way valve
Logical, microprocessor can control injection pump work by motor, so as to which the solution in syringe be controlled to be pumped into or discharged；
In the utility model, when in multiple-way valve and syringe connection any one port of port and other in multiple-way valve connect when, micro- place
Reason device can control syringe pump to act, and solution is pumped into or discharged from corresponding ports by syringe.Therefore the utility model passes through micro-
The control of processor can mix pure water, standard solution, sample with any one or more reagent, and will finally mix
Solution after conjunction, which is injected into colorimetric detector, to be detected, the detection signal that microprocessor is finally exported according to colorimetric detector
Nutrient concentrations in sample can be got.If it can be seen from the above, sample channel one end is placed in sample by the utility model,
And corresponding reagent in various reagents binning, achieve that sample nutrient concentrations on-line continuous certainly by the control of microprocessor
Dynamic sampling and analysis；In addition, there is various reagents storehouse to be connected respectively with each port of multiple-way valve in the utility model, therefore microprocessor
It can cause that pure water, standard solution or sample and other any or several reagents are mixed according to actual analysis demand,
So as to fulfill the on-line analysis of Multiple components.As it can be seen that the utility model by multiple-way valve as alignment system, by syringe as core
For heart power part to realize that nutrient concentrations are analyzed, realizing has simple in structure, powerful, strong applicability and reliability height
The advantages of.
(2) in the utility model nutritive salt in-situ analyzer, a port of multiple-way valve is connected with mixing circle, works as syringe
In when being pumped into pure water, standard solution or sample and one or more reagent, in microprocessor control multiple-way valve and syringe
The port of connection is connected in the multiple-way valve and port of mixing circle connection, then control injection pump work so that in syringe
Solution can constantly be injected and extracted from mixing circle, so that pure water, standard solution or sample and one or more reagent energy
Enough full and uniform mixing, improve the accuracy that nutrient concentrations detect in sample.
(3) in the utility model nutritive salt in-situ analyzer, microprocessor can by syringe pump is connected first
The control of motor so that syringe is pumped into quantitative pure water, standard solution, sample or reagent every time, therefore the utility model is sought
The flexible control of sample size and amount of reagent can be realized by microprocessor by supporting salt in-situ analyzer, so as to fulfill nutrient concentrations
It is efficient, stablize and accurate detection.
(4) in the utility model nutritive salt in-situ analyzer, a port of multiple-way valve is connected with waste collecting device, because
This is directed to colorimetric detector complete solution after testing, and microprocessor, can will by the control to multiple-way valve and syringe pump
Solution in the colorimetric pool of colorimetric detector is drawn to waste collecting device, avoids generating waste liquor contamination.In addition, the one of multiple-way valve
A port is connected with cadmium column, and when needing to carry out nitrate analysis for sample, microprocessor can be by multiple-way valve and note
Penetrate the control of pump, the mixed liquor of sample and buffer solution can be injected into cadmium column, by cadmium column by the nitrate in sample also
Original is into nitrite；Finally the solution after Cadmium column reduction is injected by the control to multiple-way valve and syringe pump by microprocessor
It is finally detected into colorimetric detector, therefore the utility model nutritive salt in-situ analyzer can realize sample nitric acid simultaneously
The analysis of salt.
(5) in the utility model nutritive salt in-situ analyzer, colorimetric detector include light source, colorimetric pool, coupled lens with
And photoelectric converter；Wherein light source and coupled lens are respectively placed in the opposite both ends of colorimetric pool, can be to light by coupled lens
Coupling focusing is carried out, reduces the loss of optical signal；In addition in the utility model, light source can be composite LED lamp source, realize low work(
Cold light source purpose is consumed, can effectively avoid nutritive salt in-situ analyzer fever phenomenon.In the utility model, colorimetric pool is 1cm light
The quartzy flow cell of journey, therefore meet long light path in-situ monitoring purpose, be conducive to the trace samplings analysis of low concentration sample.
(6) in the utility model nutritive salt in-situ analyzer, protection is covered including a waterproof protective case and sealed set
The upper protection cap of shell, wherein in waterproof protective case by intermediate separate layer be divided into up and down two storehouses, be respectively water route protecting bin and
Circuit protection storehouse, wherein microprocessor, the first motor driver and the second motor driver are placed in circuit protection storehouse, mostly logical
Valve, syringe, syringe pump, the first motor, the second motor, colorimetric detector and mixing circle are placed in the protecting bin of water route, respectively
Kind agent bin is placed in above protection cap, is passed through each reagent passage and is connected each port of multiple-way valve；It is connected with multiple-way valve port
Sample pipe and each reagent pipeline pass through encapsulation process through upper protection cap, and through part.By above-mentioned as it can be seen that this reality
It can be integrated into a protective shell with novel nourishing salt in-situ analyzer so that structure is simpler, volume smaller and more
It is portable；In addition water route protecting bin and circuit protection storehouse are separated in the utility model waterproof protective case, enables to circuit
Protecting bin reaches moisture-proof and damp proof function, effectively avoids the occurrence of drain conditions.
(7) in the utility model nutritive salt in-situ analyzer, protected when nutritive salt in-situ study is integrated into a waterproof
When in protective case, since protective shell is waterproof sealing, the utility model nutritive salt in-situ analyzer can both use external 12V
Individually in laboratory or field using to complete analysis measurement, can also be directly mounted to oceanographic buoy monitoring is DC power supply
System provides power supply by buoy 12V lead-acid accumulators and completes analysis measurement；When being installed on oceanographic buoy monitoring system, this practicality
New type microprocessor can monitor the buoy data collector of system by wireless communication module or signal wire with oceanographic buoy
It communicates, buoy data collector can control microprocessor to start at regular intervals and once analyze and process；Buoy data
Collector control microprocessor starts at regular intervals once to be analyzed and processed, while buoy data collector acquisition microprocessor
The nutrient concentrations data-signal of the sample determined, and be transferred to by cordless communication network (such as GPRS or big-dipper satellite)
Oceanographic buoy monitors the data center of system, so as to fulfill the real-time measurement steady in a long-term of ocean nutritive salt.
Description of the drawings
Fig. 1 is the structure diagram of the utility model nutritive salt in-situ analyzer.
Fig. 2 is circuit diagram in the utility model nutritive salt in-situ analyzer.
Fig. 3 is the structure principle chart of colorimetric detector in the utility model nutritive salt in-situ analyzer.
Fig. 4 is the structure diagram that the utility model nutritive salt in-situ analyzer is integrated into protective shell.
Specific embodiment
The utility model is described in further detail with reference to embodiment and attached drawing, but the implementation of the utility model
Mode is without being limited thereto.
Embodiment
Present embodiment discloses a kind of nutritive salt in-situ analyzer, including microprocessor, driving part, multiple-way valve, injection
Device, colorimetric detector, mixing circle, sample pipe, cadmium column, waste collecting device, pure water storehouse, standard solution storehouse and various reagents
Storehouse；Wherein as shown in Figure 1, syringe, colorimetric detector, mixing circle, sample pipe, cadmium column, waste collecting device, pure water storehouse,
The each port of standard solution storehouse and various reagents storehouse respectively with multiple-way valve is correspondingly connected with.In the present embodiment, as shown in Fig. 2,
Driving part includes the first motor driver, the first motor, the second motor driver and the second motor；Microprocessor is sequentially connected
The syringe pump of syringe is connected after first motor driver and the first motor, for controlling the work of syringe pump；Microprocessor according to
Multiple-way valve is connected after the second motor driver of secondary connection and the second motor, for controlling the port connected in multiple-way valve with syringe
It is sequentially communicated respectively with each port of other in multiple-way valve；Colorimetric detector connects microprocessor, and detection signal is sent to micro- place
Device is managed, goes out the nutrient concentrations of sample according to detection signal determining by microprocessor.
In the present embodiment, microprocessor can control the port and more lead to that in multiple-way valve and syringe connects by motor
Any one port of other in valve connects, and microprocessor can control injection pump work by motor, so as to control in syringe
Solution be pumped into or discharged；When in multiple-way valve and any one port of port and other in multiple-way valve of syringe connection connects
When, microprocessor can control syringe pump to act, and solution is pumped into or discharged from corresponding ports by syringe.Therefore the present embodiment leads to
The control for crossing microprocessor can mix pure water, standard solution or sample with any one or more reagent, and will
Final mixed solution, which is injected into colorimetric detector, to be detected, and microprocessor is finally believed according to the detection of colorimetric detector
Number it can get sample nutrient concentrations.Such as when needing sample and certain reagent hybrid detection going out certain nutrient concentrations
When, microprocessor gets pure water and when various standard solution is mixed respectively with certain reagent first, colorimetric detector
Output various detection signals, when then sample is mixed with certain reagent colorimetric detector output detection signal with it is upper
It states detection signal to be compared, you can get certain nutrient concentrations in sample.Similarly, when needing sample and certain several examination
When agent hybrid detection goes out certain nutrient concentrations, first microprocessor get pure water and various standard solution respectively with it is a few
When kind reagent is mixed, then the various detection signals of colorimetric detector output mix sample with certain several reagent
When colorimetric detector output detection signal compared with above-mentioned detection signal, you can get certain nutritive salt in sample and contain
Amount.
By above-mentioned as it can be seen that in the present embodiment, microprocessor get in advance pure water and various standard solution respectively with respectively
When kind of reagent is mixed the detection signal of colorimetric detector output and pure water and various standard solution respectively with each several examinations
After the detection signal that colorimetric detector exports when agent is mixed, as long as sample channel one end is placed in sample and various examinations
Corresponding reagent in agent binning achieves that sample nutrient concentrations on-line continuous is sampled and divided automatically by the control of microprocessor
Analysis.
In the present embodiment nutritive salt in-situ analyzer, a port of multiple-way valve is connected with mixing circle, when in syringe
During through being pumped into sample and one or more reagents, in microprocessor control multiple-way valve and in the port and multiple-way valve of syringe connection
With mixing circle connection port connect, then control injection pump work so that the solution in syringe can constantly inject with
Extraction mixing circle, so that the mixing that sample and one or more reagents can be full and uniform, improves nutritive salt in sample and contain
Measure the accuracy of detection.In addition, microprocessor can pass through the control of the first motor connected to syringe pump so that syringe
Be pumped into the sample or reagent of respective amount every time, thus the present embodiment nutritive salt in-situ analyzer by set in microprocessor the
The control program of one motor can realize the flexible control of sample size and amount of reagent, so as to fulfill the efficient, steady of nutrient concentrations
Fixed and accurate detection.
In the present embodiment, as shown in figure 3, colorimetric detector includes light source, colorimetric pool, coupled lens and opto-electronic conversion
Device；The light source and coupled lens are separately positioned on the opposite both ends of colorimetric pool；Photoelectric converter connects microprocessor and sets
It puts at the beam projecting end of coupled lens；In colorimetric detector, colorimetric pool is communicated with a port connection of multiple-way valve.Wherein compare
Specific detection work of the color detector after solution entrance is specific as follows：When the solution in syringe is entered in colorimetric detector
Colorimetric pool when, the light of light source outgoing carries out coupling processing by coupled lens through coupled lens are reached after colorimetric pool to light
After be transferred to photoelectric converter, the optical signal of reception is converted into being transferred to microprocessor after electric signal by photoelectric converter, micro- place
Reason determines sample nutrient concentrations according to the electric signal received.
Light source uses composite LED lamp source in the present embodiment, realizes low-power consumption cold light source purpose, can effectively avoid nutrition
Salt in-situ analyzer fever phenomenon.In the present embodiment, colorimetric pool is the quartzy flow cell of 1cm light paths, therefore meets long light path original
Monitoring purpose in position is conducive to the trace samplings analysis of low concentration sample.
In the present embodiment, sample channel is a Teflon human relations pipe；Multiple-way valve is according to syringe, colorimetric detection in the present embodiment
Device, mixing circle, sample pipe, cadmium column, waste collecting device, pure water storehouse, standard solution storehouse and various reagents storehouse are required in total
The port of connection makes choice, generally 8~24 port valves.In the present embodiment, as shown in Figure 1, when including 9 kinds of agent bins,
For respectively the first agent bin to the 9th agent bin, then the multiple-way valve selected is 16 port valves.Microprocessor is controlled by the second motor
In 16 port valves and port that syringe is connected is in 16 port valves and colorimetric detector, mixing circle, sample pipe, cadmium column, waste liquid
Either port in the port that collection device, pure water storehouse, standard solution storehouse are connected with 9 kinds of agent bins is connected.
In the present embodiment, microprocessor is communicated by radio communication mold signal wire with intelligent terminal, by sample
Nutrient concentrations data-signal is sent to intelligent terminal, while microprocessor can also be controlled by intelligent terminal every a timing
Between start and once analyze and process.So-called once analyzing and processing refers to the process of complete nutrition sample content detection in a sample；
Every time during analyzing and processing, it is required to sample and one of which reagent or the mixed solution of several reagents being injected into colorimetric detection
In device, when needing analyze and process next time, it is necessary to which sample and one of which reagent or several reagents are mixed again after
Solution be injected into colorimetric detector.
In addition intelligent terminal can analyze demand according to nutritive salt, as sample needs to need when the reagent mixed, every time mixing
Want sample dosage and every time mixing when reagent the demands such as dosage by the control journey of corresponding first motor and the second motor
Sequence is downloaded in microprocessor so that microprocessor controls the first motor and the second motor, realizes corresponding business salt content point
Analysis.
In the present embodiment, as shown in figure 4, further including protection cap 1 on a waterproof protective case and one, upper protection cap 1 seals
Cover waterproof protective case.
In the present embodiment, two storehouses up and down are divided by intermediate separate layer 2 in waterproof protective case, are respectively water route protection
Storehouse 3 and circuit protection storehouse 4, wherein microprocessor, the first motor driver and the second motor driver are placed in circuit protection storehouse 4
In, multiple-way valve 5, syringe, syringe pump 6, cadmium column 8, the first motor 9, the second motor 10, colorimetric detector 11 and mixing circle 12 are
It is placed in the protecting bin of water route；
In the present embodiment, above upper protection cap place a protecting bin 13, wherein pure water storehouse, standard solution storehouse and
Various reagents storehouse is placed in protecting bin, pure water storehouse connection pure water pipeline, standard solution storehouse connection standard solution pipeline with
And each reagent pipeline of various reagents storehouse connection is through being connected respectively each of multiple-way valve after protecting bin and upper protection cap
Port.
In the present embodiment, one of port of sample pipe one end connection multiple-way valve, the other end pass through upper protection cap
It is placed in outside waterproof protective case, for fetching protection the sample of hull outside.
In the present embodiment, waste collecting device can also be placed on above protection cap, waste liquid outside waterproof protective case
The waste pipe of collection device connection connects a port of multiple-way valve through upper protection cap.
In the present embodiment, pure water pipeline, standard solution pipeline, sample pipe, each reagent pipeline and waste pipe
Processing is sealed at through upper protection cap, to ensure water proofing property；Each reagent pipeline goes out to be sealed processing through protecting bin
In the present embodiment, waterproof protective case is mountable in oceanographic buoy monitoring system, when waterproof protective case can be installed
When in Yu Haiyang buoy monitoring system, as shown in Fig. 2, microprocessor passes through signal wire or radio communication mold in circuit protection storehouse
Block communicates with the buoy data collector in oceanographic buoy monitoring system；Buoy data collector control microprocessor every
Certain time startup once analyzes and processes, while the nutritive salt of sample that buoy data collector acquisition microprocessor determines contains
Data-signal is measured, and the data of oceanographic buoy monitoring system are transferred to by cordless communication network (such as GPRS or big-dipper satellite)
Center, so as to fulfill the real-time measurement steady in a long-term of ocean nutritive salt.
In the present embodiment, the nutrient concentrations analytic process that above-mentioned nutritive salt in-situ analyzer is realized is as follows：
When sample being needed to mix certain reagent obtain corresponding nutrient concentrations in sample, then detailed process is as follows：
A1, microprocessor get pure water and detection letter when various standard solution are mixed respectively with certain reagent
Number；
The process for wherein getting detection signal when pure water is mixed with certain reagent is as follows：
A11, pure water is injected into pure water storehouse, microprocessor is controlled in multiple-way valve by the second motor and connected with syringe
Port and multiple-way valve in and pure water storehouse connection port connect；Then microprocessor controls syringe pump work by the first motor
Make, a certain amount of pure water of correspondence is pumped into syringe；
Microprocessor controls the port that in multiple-way valve and syringe connects to neutralize certain reagent with multiple-way valve by the second motor
The port of storehouse connection is connected；Then microprocessor controls injection pump work by the first motor, will be in certain a certain amount of agent bin
Corresponding reagent be pumped into syringe；
A12, microprocessor are controlled in multiple-way valve and in the port that syringe connects and multiple-way valve and mixed by the second motor
The port for closing circle connection is connected；Then microprocessor controls injection pump work by the first motor, by reagent in syringe and
Pure water is constantly injected and extracted from mixing circle, and pure water and reagent are mixed；Mixed liquor is finally taken out after completion of the mixing
Enter into syringe；
A13, microprocessor control the port and multiple-way valve neutralization ratio that in multiple-way valve and syringe connects by the second motor
The port of color detector connection is connected, and then microprocessor controls injection pump work by the first motor, will be mixed in syringe
Liquid is injected into colorimetric detector；
A14, colorimetric detector are detected the mixed liquor of injection, and the first detection signal detected is sent to micro- place
Manage device；
The process for wherein getting detection signal when each standard solution is mixed with certain reagent is as follows：
A21, microprocessor are by the second motor control multiple-way valve and in the port of syringe connection and multiple-way valve and marking
The port of quasi- solution storehouse connection is connected；Then microprocessor controls injection pump work by the first motor, will be in standard solution storehouse
Corresponding a certain amount of standard solution is pumped into syringe；
Microprocessor controls the port that in multiple-way valve and syringe connects to neutralize certain reagent with multiple-way valve by the second motor
The port of storehouse connection is connected；Then microprocessor controls injection pump work by the first motor, will be in certain a certain amount of agent bin
Corresponding reagent be pumped into syringe；
A22, microprocessor are controlled in multiple-way valve and in the port that syringe connects and multiple-way valve and mixed by the second motor
The port for closing circle connection is connected；Then microprocessor controls injection pump work by the first motor, by reagent in syringe and
Standard solution is constantly injected and extracted from mixing circle, and standard solution and reagent are mixed；It after completion of the mixing will mixing
Liquid is finally pumped into syringe；
A23, microprocessor control the port and multiple-way valve neutralization ratio that in multiple-way valve and syringe connects by the second motor
The port of color detector connection is connected, and then microprocessor controls injection pump work by the first motor, will be mixed in syringe
Liquid is injected into colorimetric detector；
a24；Colorimetric detector is detected the mixed liquor of injection, and the detect second detection signal is sent to micro- place
Manage device；Wherein the standard solution of each concentration is implanted sequentially respectively in standard solution storehouse, is marked each by above-mentioned steps
Quasi- solution is mixed respectively with certain reagent, is obtained each standard solution and is believed with each mixed second detection of certain reagent
Number；
A2, when the business salt content in sample to be carried out, sample and certain reagent are mixed, obtain the 3rd detection
Signal, detailed process are as follows：
A31, microprocessor by the second motor control multiple-way valve in and syringe connect port and multiple-way valve in and sample
The channel attached port of product is connected；Then microprocessor controls injection pump work by the first motor, by a certain amount of sample of correspondence
Product are pumped into syringe；
Microprocessor controls the port that in multiple-way valve and syringe connects to neutralize certain reagent with multiple-way valve by the second motor
The port of storehouse connection is connected；Then microprocessor controls injection pump work by the first motor, will be in certain a certain amount of agent bin
Corresponding reagent be pumped into syringe；
A32, microprocessor are controlled in multiple-way valve and in the port that syringe connects and multiple-way valve and mixed by the second motor
The port for closing circle connection is connected；Then microprocessor controls injection pump work by the first motor, by reagent in syringe and
Sample is constantly injected and extracted from mixing circle, and sample and reagent are mixed；Mixed liquor is finally taken out after completion of the mixing
Enter into syringe；
A33, microprocessor control the port and multiple-way valve neutralization ratio that in multiple-way valve and syringe connects by the second motor
The port of color detector connection is connected, and then microprocessor controls injection pump work by the first motor, will be mixed in syringe
Liquid is injected into colorimetric detector；
A34, colorimetric detector are detected the mixed liquor of injection, and the detect the 3rd detection signal is sent to micro- place
Manage device；
The first detection letter that colorimetric detector is sent when A3, microprocessor get pure water and the mixing of certain reagent respectively
Number, each standard solution and certain reagent each second detection signal that colorimetric detector is sent when mixing respectively and sample and
Certain reagent mix when colorimetric detector send the 3rd detection signal when, by the 3rd detection signal and first detection signal and
Each the second detection signal is compared, and corresponding nutrient concentrations in sample are got according to comparing result；
When sample being needed to mix certain several reagent obtain corresponding nutrient concentrations in sample, then it is as follows：
B1, microprocessor get the detection signal and various standard solution when pure water is mixed with certain several reagent
Detection signal when being mixed respectively with certain several reagent；
The process for wherein getting detection signal when pure water is mixed with certain several reagent is as follows：
B11, microprocessor are controlled in multiple-way valve and in the port that syringe connects and multiple-way valve and pure by the second motor
The port of sump connection is connected；Then microprocessor controls injection pump work by the first motor, and a certain amount of pure water of correspondence is taken out
Enter into syringe；
Being directed to storage needs each agent bin of the various reagents mixed with pure water, at each moment, microprocessor
It is controlled by the second motor in multiple-way valve and each port of each agent bin connection and in multiple-way valve and end that syringe is connected
Mouth is respectively turned on；Wherein connected every time when in multiple-way valve and with syringe in the port of one of agent bin connection and multiple-way valve
Port connect after, microprocessor controls injection pump work by the first motor, will take out a certain amount of reagent in corresponding agent bin
Enter into syringe；
B12, microprocessor by the second motor control multiple-way valve in and syringe connect port with and mix enclose connect
Port connect；Then microprocessor controls injection pump work by the first motor, by pure water in syringe and plurality of reagents not
Disconnected injection and extraction mixing circle, pure water and plurality of reagents are mixed；Mixed liquor is finally taken out after completion of the mixing
Enter into syringe；
B13, microprocessor control the port and multiple-way valve neutralization ratio that in multiple-way valve and syringe connects by the second motor
The port of color detector connection is connected, and then microprocessor controls injection pump work by the first motor, will be mixed in syringe
Liquid is injected into colorimetric detector；
b14；Colorimetric detector is detected the mixed liquor of injection, and the detect the 4th detection signal is sent to micro- place
Manage device；
The process for wherein getting detection signal when each standard solution is mixed respectively with certain several reagent is as follows：
B21, microprocessor are by the second motor control multiple-way valve and in the port of syringe connection and multiple-way valve and marking
The port of quasi- solution storehouse connection is connected；Then microprocessor controls injection pump work by the first motor, by a certain amount of mark of correspondence
Quasi- solution is pumped into syringe；
Being directed to storage needs each agent bin of the various reagents mixed with standard solution, at each moment, micro- place
Reason device controls each port that in multiple-way valve and each agent bin connects to be connected with multiple-way valve with syringe by the second motor
Port be respectively turned on；Wherein every time in the multiple-way valve and in port that one of agent bin connects and multiple-way valve and syringe
After the port of connection is connected, microprocessor controls injection pump work by the first motor, by a certain amount of examination in corresponding agent bin
Agent is pumped into syringe；
B22, microprocessor by the second motor control multiple-way valve in and syringe connect port with and mix enclose connect
Port connect；Then microprocessor controls injection pump work by the first motor, by syringe Plays solution and a variety of examinations
Constantly injection and extraction mixing are enclosed for agent, and standard solution and plurality of reagents are mixed；It after completion of the mixing will mixing
Liquid is finally pumped into syringe；
B23, microprocessor control the port and multiple-way valve neutralization ratio that in multiple-way valve and syringe connects by the second motor
The port of color detector connection is connected, and then microprocessor controls injection pump work by the first motor, will be mixed in syringe
Liquid is injected into colorimetric detector；
b24；Colorimetric detector is detected the mixed liquor of injection, and the detect the 5th detection signal is sent to micro- place
Manage device；Wherein the standard solution of each concentration is implanted sequentially respectively in standard solution storehouse, is marked each by above-mentioned steps
Quasi- solution is mixed respectively with certain several reagent respectively, obtain each standard solution and certain several reagent it is mixed each the
Five detection signals；
B2, when the business salt content in sample to be carried out, sample and certain several reagent are mixed, obtain the 6th inspection
Signal is surveyed, detailed process is as follows：
B31, microprocessor by the second motor control multiple-way valve in and syringe connect port and multiple-way valve in and sample
The channel attached port of product is connected；Then microprocessor controls injection pump work by the first motor, by a certain amount of sample of correspondence
It is pumped into syringe；
Being directed to storage needs each agent bin of the various reagents mixed with sample, at each moment, microprocessor
It is controlled by the second motor in multiple-way valve and each port of each agent bin connection and in multiple-way valve and end that syringe is connected
Mouth is respectively turned on；Wherein connected every time when in multiple-way valve and with syringe in the port of one of agent bin connection and multiple-way valve
Port connect after, microprocessor controls injection pump work by the first motor, will take out a certain amount of reagent in corresponding agent bin
Enter into syringe；
B32, microprocessor by the second motor control multiple-way valve in and syringe connect port with and mix enclose connect
Port connect；Then microprocessor controls injection pump work by the first motor, by sample in syringe and plurality of reagents not
Disconnected injection and extraction mixing circle, sample and plurality of reagents are mixed；Mixed liquor is finally taken out after completion of the mixing
Enter into syringe；
B33, microprocessor control the port and multiple-way valve neutralization ratio that in multiple-way valve and syringe connects by the second motor
The port of color detector connection is connected, and then microprocessor controls injection pump work by the first motor, will be mixed in syringe
Liquid is injected into colorimetric detector；
b34；Colorimetric detector is detected the mixed liquor of injection, and the detect the 6th detection signal is sent to micro- place
Manage device；Step B3, the 4th detection that colorimetric detector is sent when microprocessor gets pure water and certain several reagent mixing respectively
When signal, each standard solution mix respectively with certain several reagent respectively colorimetric detector send each the 5th detection signal,
And signal and the 4th is detected by the 6th when sample and certain several reagent mixing during the 6th detection signal of colorimetric detector transmission
Detection signal and each the 5th detection signal are compared, and getting corresponding nutritive salt in sample according to comparing result contains
Amount.
When needing to detect the nitrate content in sample, then step is as follows：
C1, microprocessor get the detection signal and various standard solution point when pure water is mixed with buffer solution
When not mixed with buffer solution；
The process for wherein getting detection signal when pure water is mixed with buffer solution is as follows：
C11, microprocessor are controlled in multiple-way valve and in the port that syringe connects and multiple-way valve and pure by the second motor
The port of sump connection is connected；Then microprocessor controls injection pump work by the first motor, and a certain amount of pure water is pumped into
Into syringe；
Microprocessor is controlled in multiple-way valve by the second motor and delayed with storage in the port that syringe connects and multiple-way valve
The port for rushing the agent bin connection of solution is connected；Then microprocessor controls injection pump work by the first motor, and storage is slow
A certain amount of buffer reagent in the agent bin of solution is rushed to be pumped into syringe；
C12, microprocessor by the second motor control multiple-way valve in and syringe connect port with and mix enclose connect
Port connect；Then microprocessor controls injection pump work by the first motor, by the pure water and buffer solution in syringe
Constantly injection and extraction mixing circle, pure water and buffer solution are mixed；After completion of the mixing, it is mixed liquor is final
It is pumped into syringe；
C13, microprocessor by the second motor control multiple-way valve in and syringe connect port and multiple-way valve in and cadmium
The port of column connection is connected；Then microprocessor controls injection pump work by the first motor, and mixed liquor in syringe is injected
Into cadmium column, by cadmium column by nitrate reduction into nitrite；Wait after a certain period of time, microprocessor by the first motor again
Control injection pump work, the solution of Cadmium column reduction is pumped into syringe；In this step, the above-mentioned stand-by period according to cadmium column and
It the nitrate reaction time in sample, is set by microprocessor.
C14, microprocessor control the port and multiple-way valve neutralization ratio that in multiple-way valve and syringe connects by the second motor
The port of color detector connection is connected, and then microprocessor controls injection pump work by the first motor, by cadmium column in syringe
The liquid of the solution of reduction is injected into colorimetric detector；
c15；Colorimetric detector is detected the solution of the Cadmium column reduction of injection, by the detect the 7th detection signal hair
Give microprocessor；
The process for wherein getting detection signal when each standard solution is mixed with buffer solution is as follows：
C21, microprocessor are by the second motor control multiple-way valve and in the port of syringe connection and multiple-way valve and marking
The port of quasi- solution storehouse connection is connected；Then microprocessor controls injection pump work by the first motor, by a certain amount of standard
Solution is pumped into syringe；
Microprocessor is controlled in multiple-way valve by the second motor and delayed with storage in the port that syringe connects and multiple-way valve
The port for rushing the agent bin connection of solution is connected；Then microprocessor controls injection pump work by the first motor, and storage is slow
A certain amount of buffer reagent in the agent bin of solution is rushed to be pumped into syringe；
C22, microprocessor by the second motor control multiple-way valve in and syringe connect port with and mix enclose connect
Port connect；Then microprocessor controls injection pump work by the first motor, by the standard solution and buffering in syringe
Solution constantly enclose by injection and extraction mixing, and standard solution and buffer solution are mixed；It after completion of the mixing, will be mixed
Liquid is closed finally to be pumped into syringe；
C23, microprocessor by the second motor control multiple-way valve in and syringe connect port and multiple-way valve in and cadmium
The port of column connection is connected；Then microprocessor controls injection pump work by the first motor, and mixed liquor in syringe is injected
Into cadmium column, by cadmium column by nitrate reduction into nitrite；Wait after a certain period of time, microprocessor by the first motor again
Control injection pump work, the solution of Cadmium column reduction is pumped into syringe；
C24, microprocessor control the port and multiple-way valve neutralization ratio that in multiple-way valve and syringe connects by the second motor
The port of color detector connection is connected, and then microprocessor controls injection pump work by the first motor, by cadmium column in syringe
The liquid of the solution of reduction is injected into colorimetric detector；
c25；Colorimetric detector is detected the solution of the Cadmium column reduction of injection, by the detect the 7th detection signal hair
Give microprocessor；Wherein the standard solution of each concentration is implanted sequentially respectively in standard solution storehouse, passes through above-mentioned steps
Each standard solution is mixed respectively with buffer solution, obtain each standard solution and buffer solution it is mixed each the
Eight detection signals；
C2, when need carry out sample in nitrate detect when, sample and buffer solution are mixed, obtain the 9th detection
Signal is as follows：
C31, microprocessor by the second motor control multiple-way valve in and syringe connect port and multiple-way valve in and sample
The channel attached port of product is connected；Then microprocessor controls injection pump work by the first motor, and a certain amount of sample is taken out
Enter into syringe；
Microprocessor is controlled in multiple-way valve by the second motor and delayed with storage in the port that syringe connects and multiple-way valve
The port for rushing the agent bin connection of solution is connected；Then microprocessor controls injection pump work by the first motor, and storage is slow
A certain amount of buffer reagent in the agent bin of solution is rushed to be pumped into syringe；
C32, microprocessor by the second motor control multiple-way valve in and syringe connect port with and mix enclose connect
Port connect；Then microprocessor controls injection pump work by the first motor, by the sample and buffer solution in syringe
Constantly injection and extraction mixing circle, sample and buffer solution are mixed；After completion of the mixing, it is mixed liquor is final
It is pumped into syringe；
C33, microprocessor by the second motor control multiple-way valve in and syringe connect port and multiple-way valve in and cadmium
The port of column connection is connected；Then microprocessor controls injection pump work by the first motor, and mixed liquor in syringe is injected
Into cadmium column, by cadmium column by nitrate reduction into nitrite；Wait after a certain period of time, microprocessor by the first motor again
Control injection pump work, the solution of Cadmium column reduction is pumped into syringe；
C34, microprocessor control the port and multiple-way valve neutralization ratio that in multiple-way valve and syringe connects by the second motor
The port of color detector connection is connected, and then microprocessor controls injection pump work by the first motor, by cadmium column in syringe
The liquid of the solution of reduction is injected into colorimetric detector；
c35；Colorimetric detector is detected the solution of the Cadmium column reduction of injection, by the detect the 9th detection signal hair
Give microprocessor；
The 7th detection letter that colorimetric detector is sent when C3, microprocessor get pure water and buffer solution mixing respectively
Number, each standard solution and buffer solution each the 8th detection signal that colorimetric detector is sent when mixing respectively and sample and
Buffer solution mix when colorimetric detector send the 9th detection signal when, by the 9th detection signal and the 7th detection signal and
Each the 8th detection signal is compared, and corresponding nitrate content in sample is got according to comparing result；
When needing to carry out devil liquor recovery in colorimetric detector, it is as follows：
D1, microprocessor by the second motor control multiple-way valve in and syringe connect port and multiple-way valve in and colorimetric
The port of detector connection is connected；Then microprocessor controls injection pump work by the first motor, will be in colorimetric detector
Solution is pumped into syringe；
D2, microprocessor by the second motor control multiple-way valve in and syringe connect port and multiple-way valve in and waste liquid
The port of collection device connection is connected；Then microprocessor controls injection pump work by the first motor, will be molten in syringe
Liquid is injected into waste collecting device；
D3, microprocessor by the second motor control multiple-way valve in and syringe connect port and multiple-way valve in and pure water
The port of storehouse connection is connected；Then microprocessor controls injection pump work by the first motor, and the pure water in pure water storehouse is pumped into
Into syringe；
D4, microprocessor by the second motor control multiple-way valve in and syringe connect port with and mix enclose connect
Port is connected；Then microprocessor by the first motor control injection pump work, by pure water in syringe constantly injection and
Extraction mixing circle, to be cleaned by pure water to mixing circle and syringe, is finally pumped into syringe by the solution after cleaning
In；Then, microprocessor is controlled in multiple-way valve by the second motor and received with waste liquid in the port that syringe connects and multiple-way valve
The port of acquisition means connection is connected；Then microprocessor controls injection pump work by the first motor, by the solution in syringe
It is injected into waste collecting device.
Wherein in the present embodiment above-mentioned steps, when pure water, standard solution or sample needs and certain reagent or some
When reagent is mixed, the order that microprocessor control pure water, standard solution or sample and reagent are pumped into syringe can be
Arbitrarily, i.e. microprocessor can control first pure water, standard solution or sample are pumped into syringe, after reagent is pumped into note
, can also in turn in emitter, when reagent is a variety of, each reagent and pure water, standard solution or sample are pumped into syringe
Order can also be random.
Above-described embodiment is the preferable embodiment of the utility model, but the embodiment of the utility model and from above-mentioned
The limitation of embodiment, the change made under other any Spirit Essences and principle without departing from the utility model are modified, replaced
Generation, combination simplify, and should be equivalent substitute mode, are included within the scope of protection of the utility model.
Claims (10)
1. a kind of nutritive salt in-situ analyzer, which is characterized in that including microprocessor, driving part, multiple-way valve, syringe, ratio
Color detector, mixing circle, sample pipe, pure water storehouse, standard solution storehouse and various reagents storehouse；Wherein syringe, colorimetric detector,
Mix circle, sample pipe, pure water storehouse and standard solution storehouse and various reagents storehouse company corresponding with each port of multiple-way valve respectively
It connects；
The driving part includes the first motor driver, the first motor, the second motor driver and the second motor；Micro- place
Reason device is sequentially connected the syringe pump of connection syringe after the first motor driver and the first motor, for controlling the work of syringe pump
Make；The microprocessor connects multiple-way valve after being sequentially connected the second motor driver and the second motor, for controlling in multiple-way valve
Each port of other in the port connected with syringe and multiple-way valve is sequentially communicated respectively；
The colorimetric detector connects microprocessor, and detection signal is sent to microprocessor, is believed by microprocessor according to detection
Number determine the nutrient concentrations of sample.
2. nutritive salt in-situ analyzer according to claim 1, which is characterized in that waste collecting device is further included, it is described
One of port of waste collecting device and multiple-way valve is correspondingly connected with.
3. nutritive salt in-situ analyzer according to claim 1, which is characterized in that further include cadmium column, the cadmium column with it is more
One of port of port valve is correspondingly connected with.
4. nutritive salt in-situ analyzer according to claim 1, which is characterized in that the colorimetric detector include light source,
Colorimetric pool, coupled lens and photoelectric converter；The light source and coupled lens are separately positioned on the opposite both ends of colorimetric pool；Institute
It states photoelectric converter connection microprocessor and is arranged on the beam projecting end of coupled lens；In the colorimetric detector, colorimetric
Pond is communicated with a port connection of multiple-way valve.
5. nutritive salt in-situ analyzer according to claim 4, which is characterized in that the light source be composite LED lamp source, institute
State the quartzy flow cell that colorimetric pool is 1cm light paths.
6. nutritive salt in-situ analyzer according to claim 1, which is characterized in that the sample channel is a Teflon human relations
Pipe.
7. nutritive salt in-situ analyzer according to claim 1, which is characterized in that the multiple-way valve is 8~24 port valves.
8. nutritive salt in-situ analyzer according to claim 1, which is characterized in that the microprocessor passes through wireless communication
Module or signal wire communicate with intelligent terminal, and the nutrient concentrations data-signal of sample is sent to intelligent terminal.
9. nutritive salt in-situ analyzer according to claim 1, which is characterized in that further include on a waterproof protective case and one
Protection cap, the upper protection cap sealing cover waterproof protective case；
Two storehouses up and down are divided by intermediate separate layer in the waterproof protective case, are respectively water route protecting bin and circuit protection
Storehouse, wherein microprocessor, the first motor driver and the second motor driver are placed in circuit protection storehouse, the multiple-way valve,
Syringe, syringe pump, the first motor, the second motor, colorimetric detector and mixing circle are placed in the protecting bin of water route；
A protecting bin is placed above upper protection cap, pure water storehouse, standard solution storehouse and various reagents storehouse are put in protecting bin,
Each reagent of the pure water pipeline of pure water storehouse connection, the standard solution pipeline of standard solution storehouse connection and the connection of various reagents storehouse
Pipeline is through each port that multiple-way valve is connected respectively after protecting bin and upper protection cap；
One of port of sample pipe one end connection multiple-way valve, the other end are placed on waterproof protective case through upper protection
It is external；
The sample pipe and each reagent pipeline pass through is sealed processing at upper protection cap；Each reagent pipeline passes through
Processing is sealed at protecting bin.
10. nutritive salt in-situ analyzer according to claim 9, which is characterized in that the waterproof protective case is installed on sea
In foreign buoy monitoring system, microprocessor passes through signal wire or wireless communication module and oceanographic buoy in the circuit protection storehouse
Buoy data collector in monitoring system communicates；Buoy data collector control microprocessor starts at regular intervals
Once analyze and process, while buoy data collector gathers the nutrient concentrations data-signal for the sample that microprocessor determines,
And the data center of oceanographic buoy monitoring system is transferred to by cordless communication network.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107782724A (en) * | 2017-12-04 | 2018-03-09 | 深圳市朗诚科技股份有限公司 | A kind of nutritive salt in-situ analyzer and nutrient concentrations analysis method |
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2017
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107782724A (en) * | 2017-12-04 | 2018-03-09 | 深圳市朗诚科技股份有限公司 | A kind of nutritive salt in-situ analyzer and nutrient concentrations analysis method |
| WO2019109658A1 (en) * | 2017-12-04 | 2019-06-13 | 深圳市朗诚科技股份有限公司 | In-situ analyzer for nutritive salt and nutritive salt content analysis method |
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