CN207248898U - flow analyzer based on Android system - Google Patents
flow analyzer based on Android system Download PDFInfo
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- CN207248898U CN207248898U CN201721143761.8U CN201721143761U CN207248898U CN 207248898 U CN207248898 U CN 207248898U CN 201721143761 U CN201721143761 U CN 201721143761U CN 207248898 U CN207248898 U CN 207248898U
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Abstract
Flow Analyzer based on Android system, is related to a kind of water quality automatic analyzer.Equipped with LED light, flow cell, photoelectric detector, sample peristaltic pump, control system, reagent peristaltic pump, quantitative loop, multiple-way valve, reagent bottle, reagent waste collection bottle, sample bottle and waste reaction solution receiving flask；LED light, flow cell and photoelectric detector composition light splitting detection module, quantitative loop are used for the quantitative storage of reagent, and multiple-way valve is connected with light splitting detection module, reagent bottle, reagent waste collection bottle, sample bottle and waste reaction solution receiving flask；Control system is equipped with control module, LED drive circuit, valve pump control circuit and Signal acquiring and processing module, control module divides two-way by valve pump control circuit, control module is handled by the signal value that Signal acquiring and processing module gathers photoelectric detector, and the output end in contact of Signal acquiring and processing module touches screen.
Description
Technical field
A kind of water quality automatic analyzer is the utility model is related to, more particularly, to a kind of flowing based on Android system control
Analyzer.
Background technology
Base soln processing in traditional analysis chemistry, such as liquid feeding, dilution, filtering, stirring, constant volume, imbibition are grasped by hand
Work is most common operation in chemical laboratory, but also constrains the speed of chemical analysis detection at the same time.Flow Analysis Technique is
The fifties in last century proposes that a kind of analytical technology to grow up the seventies, by means of the flowing of material, reagent, sample are pressed
Ratio inputs different pipelines respectively, according to the requirement of analysis reaction, by certain processing, mixes in order, reacts laggard
Row measure, so as to improve the efficiency in whole chemical analysis processes from the foundation in laboratory operation and improve offer letter
The ability of breath.Flow analysis need to be combined with specific detection technique could form complete analysis system, common combination detection
Technology mainly has flowing spectrophotometry, flowing atomic spectroscopy, flowing electrochemical methods, flowing luminescence method etc..
Flow Analyzer as a kind of new type auto analytical instrument based on Flow Analysis Technique, have analyze speed it is fast,
The advantages that simple and quick, inspection result favorable reproducibility, low consumption, generally used both at home and abroad at present.And flow
Analyzer realizes the full-automatic operation from sample introduction to testing result, substantially increases analysis efficiency, suitable for high-volume sample
The analysis test of product, solves that many standard method steps are more, complicated, experimental result is influenced greatly by environment and human factor
The problems such as.Have reported some Flow Analyzers in document at present, but there are expensive, detection object is single, and structure is multiple
It is miscellaneous, it is necessary to multiple flow pumps, multiposition valve, multiple-way valve, it is cumbersome for installation the problems such as, bring bigger difficulty to user.
The content of the invention
The purpose of this utility model is to provide with reference to technologies such as auto injection, on-line mixings, and whole analytic process is without people
For intervention, quick, easy, sensitive, the stream based on Android system analyzed available for discrete Analysis of environmental samples and on-line continuous
Dynamic analyzer.
The utility model be equipped with LED light, flow cell, photoelectric detector, sample peristaltic pump, control system, reagent peristaltic pump,
Quantitative loop, multiple-way valve, reagent bottle, reagent waste collection bottle, sample bottle and waste reaction solution receiving flask；The LED light, flow cell and
Photoelectric detector composition light splitting detection module, sample peristaltic pump and reagent peristaltic pump are used for the conveying of sample and reagent, quantitative loop
For the quantitative storage of reagent, multiple-way valve respectively with light splitting detection module, reagent bottle, reagent waste collection bottle, sample bottle and anti-
Waste collection bottle is answered to connect；Control system is equipped with control module, LED drive circuit, valve pump control circuit and signal acquisition and place
Module is managed, control module is adjusted the light intensity magnitude of LED light by LED drive circuit, and control module is pumped by valve and controlled
Circuit divides two-way, wherein switching all the way to the state of sample peristaltic pump and multiple-way valve, another way is compacted to sample peristaltic pump and reagent
The parameters such as rotating speed, steering and the rotation time of dynamic pump are controlled, and control module is by Signal acquiring and processing module to photoelectricity
The signal value that detector is gathered is handled, and the output end in contact of Signal acquiring and processing module touches screen.
The Fill for including multiple-way valve to the switching of the state of sample peristaltic pump and multiple-way valve all the way in the control module with
Inject states switch.
Sample introduction peristaltic pump and reagent peristaltic pump the composition power plant module of the utility model, sample introduction wriggling pump intake and multiple-way valve
Sample introduction interface connects, and outlet is connected with light splitting detection module entrance；It is divided detection module outlet and multiple-way valve sample export end phase
Even；Sample export end coupled reaction waste collection bottle；Reagent peristaltic pump is equipped with more pump lines, the entrance of every pump line respectively with not
Connected with colour reagent bottle, outlet is connected with the entrance of three-way pipe；The outlet of three-way pipe is connected with multiple-way valve reagent inlet；It is quantitative
The both ends of ring are connected with the quantitative ring interface of multiple-way valve respectively, and then connect multiple-way valve reagent inlet and multiple-way valve reagent exit；
Multiple-way valve reagent exit end connects reagent waste liquid bottle.
The control module inside sets LED drive circuit, valve pump control electricity by the way of Android system and Touch Screen
Road and Signal acquiring and processing module.The output terminal of LED drive circuit is connected with LED light；The output terminal of valve pump control circuit point
It is not connected with multiple-way valve, sample introduction peristaltic pump and reagent peristaltic pump；Signal acquiring and processing module is connected with photoelectric detector, at the same time
By the results show after collection and processing on touch-screen.
The multiple-way valve can use the valve of six logical, eight logical, ten logical, ten two-ways, ten four-ways or more passage, and preferential eight is logical
Valve.
The light splitting detection module is made of flow cell, light source and photoelectric detector.Wherein light source is according to detection target
The high brightness LED of the selected different wave length of thing
The utility model suctions out sample solution using sample introduction peristaltic pump from each reagent container, by circulation by sample and examination
Agent is sufficiently mixed after reaction and completes to detect by detector.
Experimentation is divided into two steps：The drafting of standard working curve and the measure of sample, that is, pass through sample introduction peristaltic pump
By the standard solution for a certain concentration gradient prepared in advance or water sample rinse to be measured and it is full of whole pipeline；Utilize reagent peristaltic pump
Reagent is drawn, is stored in after being mixed in three-way pipe in quantitative loop.By the switching of valve position, sample peristaltic pump send sample to fixed
Ring is measured, reagent is released from quantitative loop, constantly circulation is sufficiently mixed reaction to sample with reagent in pipeline, the reaction after colour developing
Liquid carries out spectral photometry in flow cell.
Compared with prior art, the utility model has the characteristics that following：
(1) it is simple in structure, a multiple-way valve and two peristaltic pumps have only been used, instrument cost has been greatly reduced, simplifies pipe
Road；
(2) simple operation, analytic process combine the technologies such as auto injection, on-line mixing, without human intervention, once survey
Second of measure can be transferred to automatically after fixed, dramatically reduce the intensity of hand labor；
(3) stability is good, and reagent, sample volume are quantified by quantitative loop and length of pipe, quantitative accurate, as a result
Reappearance is high；
(4) light emitting diode is used as light source, and it is excellent to have that optional wave-length coverage is wide, brightness is big, cheap, energy consumption is low etc.
Point；
(5) Android system is used as operating system, and simple interface is friendly, easily operated, can automatically generate result and store
Printing.
Brief description of the drawings
Fig. 1 is the structure and flow path schematic diagram of the utility model embodiment.
Fig. 2 is the control circuit composition frame chart of the utility model embodiment.
Embodiment
Below by way of embodiment, the utility model will be further described.
Referring to Fig. 1, the utility model embodiment is equipped with LED light 1, flow cell 2, photoelectric detector 3, sample peristaltic pump 4, control
System 5, reagent peristaltic pump 6, quantitative loop 7, eight ways valve 8, reagent bottle 9, reagent waste collection bottle 10, sample bottle 11 and reaction processed are given up
Liquid receiving flask 12；The LED light 1, flow cell 2 and the composition light splitting detection module of photoelectric detector 3, sample peristaltic pump 4 and reagent
Peristaltic pump 6 is used for the conveying of sample and reagent, and quantitative loop 7 is used for the quantitative storage of reagent, and eight ways valve 8 detects mould with light splitting respectively
Block, reagent bottle 9, reagent waste collection bottle 10, sample bottle 11 and waste reaction solution receiving flask 12 connect；Control system 5 is equipped with control
Module 51, LED drive circuit 52, valve pump control circuit 53 and Signal acquiring and processing module 54, control module 51 are driven by LED
The light intensity magnitude of LED light 1 is adjusted in dynamic circuit 52, and control module 51 divides two-way by valve pump control circuit 53, wherein one
Road switches the state of sample peristaltic pump 4 and eight ways valve 8, another way to the rotating speed of sample peristaltic pump 4 and reagent peristaltic pump 6, turn
It is controlled to parameters such as rotation times, control module 51 is by Signal acquiring and processing module 54 to the institute of photoelectric detector 3
The signal value of collection is handled, and the output end in contact of Signal acquiring and processing module 54 touches screen 13.
In Fig. 2, mark 14 is power supply.
The state switching all the way to sample peristaltic pump 4 and eight ways valve 8 in the control module 51 includes eight ways valve 8
Fill and Inject states switch.
Specific embodiment is given below.
Embodiment 1
The working curve of active phosphorus is established with the utility model.
Referring to Fig. 1, the utility model selects LED source 1, flow cell 2 and photoelectric detector 3 to be examined as light splitting
Survey the power plant module that module, sample peristaltic pump 4 and reagent peristaltic pump 6 are conveyed as sample and reagent, quantitative loop 7 and eight ways valve 8
Multiple-way valve module is formed, control system 5 is used to contain solution as control module and a series of vessel, such as reagent bottle 9, examination
Agent waste collection bottle 10, sample bottle 11, waste reaction solution receiving flask 12.
Before experiment, the active phosphorus standard solution SS1-SS6 of various concentrations gradient need to be prepared in advance.Carry out working curve drafting
Determination step be：1) eight ways valve 8 is switched into Fill states, as shown in phantom in Figure 1.SS1 is marked by sample introduction peristaltic pump 4
Quasi- solution is with 3 times of manifold volume flushing lines and is full of pipeline and flow cell, and unnecessary liquid flow to waste reaction solution receiving flask 12,
Instrument is static at this time, and photoelectric detector 3 records optical signal I0；2) colour reagent is suctioned out profit by reagent peristaltic pump 6 from reagent bottle 9
Wash and be full of quantitative loop, Excess reagents are collected by reagent waste liquid bottle 10；3) eight ways valve 8 switches to Inject states, such as reality in Fig. 1
Shown in line, a and b are connected by quantitative loop 7 with e and f, and sample introduction peristaltic pump 4 send sample to quantitative loop 7, by reagent from quantitatively
Released in ring 7, sample in pipeline constantly circulation with reagent be sufficiently mixed reaction, the reaction solution after colour developing in flow cell 2 into
Row spectral photometry, obtains optical signal I, and the signal gathered is sent to control system 5 and carries out processing analysis；4) according to formula A=
lg(I0/ I) light absorption value of standard solution SS1 is calculated.Similarly, by SS2-SS6 standard solution in the manner described above, surveyed
It is fixed, the working curve of active phosphorus is can obtain, the results are shown in Table 1.
Table 1
Control module as shown in Figure 2 is by the way of Android system and Touch Screen, by LED drive circuit to shining
The light intensity magnitude of diode light-source 1 is adjusted；Fill the and Inject states of eight ways valve 8 are cut by valve pump control circuit
Change, the rotating speed of sample introduction peristaltic pump 4 and reagent peristaltic pump 6, steering and rotation time length parameter are controlled；Adopted by signal
Collect the signal value for gathering photoelectric detector 3 with processing module to handle, by the result real-time display after collection and processing
In on touch-screen.
Embodiment 2
The active phosphorus of certain In Water of Colleges is monitored with the utility model.
Table 2
The middle water of middle water intake a certain to certain colleges and universities is acquired, and measures the content of active phosphorus in certain colleges and universities' water, measure
Step is carried out with reference to embodiment 1, and the results are shown in Table 2.
Claims (3)
1. the Flow Analyzer based on Android system, it is characterised in that wriggle equipped with LED light, flow cell, photoelectric detector, sample
Pump, control system, reagent peristaltic pump, quantitative loop, multiple-way valve, reagent bottle, reagent waste collection bottle, sample bottle and waste reaction solution are received
Collect bottle；The LED light, flow cell and photoelectric detector composition light splitting detection module, sample peristaltic pump and reagent peristaltic pump are used for
The conveying of sample and reagent, quantitative loop are used for the quantitative storage of reagent, and multiple-way valve is respectively with being divided detection module, reagent bottle, examination
Agent waste collection bottle, sample bottle are connected with waste reaction solution receiving flask；Control system is equipped with control module, LED drive circuit, valve pump
Control circuit and Signal acquiring and processing module, control module adjust the light intensity magnitude of LED light by LED drive circuit
Section, control module divide two-way by valve pump control circuit, wherein the state of sample peristaltic pump and multiple-way valve is switched all the way, it is another
Road is controlled the rotating speed of sample peristaltic pump and reagent peristaltic pump, steering and rotation time parameter, and control module passes through signal
Gather the signal value for gathering photoelectric detector with processing module to handle, the output termination of Signal acquiring and processing module
Touch-screen.
2. the Flow Analyzer based on Android system as claimed in claim 1, it is characterised in that the multiple-way valve using it is six logical, eight
The valve of logical, ten logical, ten two-ways, ten four-ways or more passage.
3. the Flow Analyzer based on Android system as claimed in claim 2, it is characterised in that the multiple-way valve is eight ways valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721143761.8U CN207248898U (en) | 2017-09-07 | 2017-09-07 | flow analyzer based on Android system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721143761.8U CN207248898U (en) | 2017-09-07 | 2017-09-07 | flow analyzer based on Android system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207248898U true CN207248898U (en) | 2018-04-17 |
Family
ID=61887473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721143761.8U Active CN207248898U (en) | 2017-09-07 | 2017-09-07 | flow analyzer based on Android system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207248898U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444366A (en) * | 2018-11-30 | 2019-03-08 | 苏州奥特福环境科技有限公司 | A kind of water quality analytical system and method |
| CN110470616A (en) * | 2018-05-10 | 2019-11-19 | 北京清测科技有限公司 | Sampling device, mercury analysis system and mercury analysis method |
| CN113009091A (en) * | 2021-04-14 | 2021-06-22 | 长沙卡琳顿科技有限公司 | Intelligent analysis pond system of heavy metal detector |
-
2017
- 2017-09-07 CN CN201721143761.8U patent/CN207248898U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110470616A (en) * | 2018-05-10 | 2019-11-19 | 北京清测科技有限公司 | Sampling device, mercury analysis system and mercury analysis method |
| CN109444366A (en) * | 2018-11-30 | 2019-03-08 | 苏州奥特福环境科技有限公司 | A kind of water quality analytical system and method |
| CN113009091A (en) * | 2021-04-14 | 2021-06-22 | 长沙卡琳顿科技有限公司 | Intelligent analysis pond system of heavy metal detector |
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