CN102323433B - Reagent precise quantitative sample-injection method and system - Google Patents
Reagent precise quantitative sample-injection method and system Download PDFInfo
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- CN102323433B CN102323433B CN201110246386.0A CN201110246386A CN102323433B CN 102323433 B CN102323433 B CN 102323433B CN 201110246386 A CN201110246386 A CN 201110246386A CN 102323433 B CN102323433 B CN 102323433B
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- 239000003153 chemical reaction reagent Substances 0.000 title claims abstract description 93
- 238000002347 injection Methods 0.000 title claims abstract description 15
- 239000007924 injection Substances 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000000605 extraction Methods 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims description 25
- 238000011002 quantification Methods 0.000 claims description 19
- 238000005070 sampling Methods 0.000 claims description 16
- 230000008676 import Effects 0.000 claims description 11
- 230000002572 peristaltic effect Effects 0.000 claims description 11
- 239000000284 extract Substances 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 description 7
- 241000985905 Candidatus Phytoplasma solani Species 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 101000746134 Homo sapiens DNA endonuclease RBBP8 Proteins 0.000 description 1
- 101000969031 Homo sapiens Nuclear protein 1 Proteins 0.000 description 1
- 102100021133 Nuclear protein 1 Human genes 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The invention discloses a reagent precise quantitative sample-injection method and system, and the reagent precise quantitative sample-injection method comprises the following steps of: (1) quantitative extraction, (2) pipeline emptying, (3) sample injection. The reagent precise quantitative sample-injection system comprises a control module, a pump, a reagent injecting valve group, a six-port valve, and a function switch; the reagent injecting valve group is connected with a pipe joint c of the six-port valve; a pipe joint d of the six-port valve is connected with a reagent inlet of the function switch; an output port and an input port of the function switch are respectively connected with an input port and an output port of the pump; an air inlet and an emptying port of the function switch are directly communicated with air; an air output port of the function switch is connected with a pipe joint a of the six-port valve; a quantitative ring is connected between a pipe joint b and a pipe joint e of the six-port valve; a pipe joint f of the six-port valve outputs outwards; the control module is respectively connected with the pump, the reagent injecting valve group, the six-port valve, and the function switch so as to control their on and off and states.
Description
Technical field
The present invention relates to online environment monitoring and analytical chemistry field, in particular a kind of reagent precise quantitative sample-injection method and system.
Background technology
Automatic on-line monitoring instrument device is widely used and acts on huge in environmental monitoring and environmental protection, and the accurate quantification of sampling system plays conclusive effect to the accuracy of the measurement result of automatic on-line monitoring instrument device.The kind of automatic on-line monitoring instrument device sample introduction reagent may be several, and the volume of reagent also may be different, so have the essential assembly that the sampling system of the accurate quantification function of plurality of reagents is every automatic on-line monitoring instrument device.Therefore need to there is a kind of automatic on-line sample injection method and system that has plurality of reagents sample introduction and accurate quantification concurrently, be applicable to the demand of automatic on-line monitoring instrument device.
Summary of the invention
Problem to be solved by this invention be to provide a kind of reasonable in design, realize modularization, reagent precise quantitative sample-injection method and system simple in structure.
The technical scheme that reagent precise quantitative sample-injection method of the present invention adopts is: reagent precise quantitative sample-injection method, comprises the following steps:
1. quantitatively extract: under control module is controlled, functional switch is switched to extraction state, under the attraction force acts of pump, reagent is from the delivery outlet output of reagent liquid feed valve group, enter the pipe adapter c of six-way valve, between pipe adapter b and pipe adapter e, be connected with a certain amount of ring, now six-way valve switches to feed liquor state, pipe adapter c is communicated with pipe adapter b, pipe adapter a is communicated with pipe adapter f, pipe adapter d is communicated with pipe adapter e, reagent is successively through pipe adapter c, after pipe adapter b, flow through and quantitatively encircle, through pipe adapter e, flow to pipe adapter d again, pipe adapter d is connected with the reagent import of functional switch, reagent exports pump to after reagent import enters, from the delivery outlet of pump, export again the evacuation port discharge reagent of functional switch to, complete quantitatively,
2. tube emptying: after completing quantitatively, under control module is controlled, functional switch switches to emptying state, and pump pushes to the evacuation port of functional switch from the air in extracting air of functional switch, complete the tube emptying between pump and functional switch;
3. sample introduction: under control module is controlled, functional switch switches to delivery air state, six-way valve switches to out liquid status, pipe adapter c is communicated with pipe adapter d, pipe adapter a is communicated with pipe adapter b, pipe adapter f is communicated with pipe adapter e, pump pushes to the delivery air mouth of functional switch from the air in extracting air of functional switch, through pipe adapter, a enters six-way valve, because pipe adapter a is communicated with pipe adapter b, the reagent that air keeps from pipe adapter b promotion quantitatively encircles, successively through pipe adapter e, pipe adapter f output, all pushes out the reagent keeping in quantitatively encircling and completes sample introduction.
In such scheme, preferred described functional switch adopts two two-position three-way valves to form.
The technical scheme that reagent accurate quantification sampling system of the present invention adopts is: reagent accurate quantification sampling system comprises control module, pump, reagent liquid feed valve group, six-way valve and functional switch, reagent liquid feed valve group is connected with six-way valve pipe adapter c, the pipe adapter d of six-way valve is connected with the reagent import of functional switch, the delivery outlet of functional switch, input port respectively with the input port of pump, delivery outlet connects, the air in of functional switch and evacuation port are directly communicated with air, the delivery air mouth of functional switch is connected with the pipe adapter a of six-way valve, between the pipe adapter b of six-way valve and pipe adapter e, be connected with a certain amount of ring, the pipe adapter f of six-way valve outwards exports, described control module respectively with pump, reagent liquid feed valve group, six-way valve is connected its break-make and the state controlled with functional switch signal,
Described reagent accurate quantification sampling system is when quantitatively extracting, it is extraction state that control module is controlled functional switch, the reagent import of functional switch is communicated with the delivery outlet of functional switch, be connected to the input port of pump, the input port of pump is connected with the input port of functional switch, and the input port of functional switch is communicated with evacuation port, it is feed liquor state that control module is controlled six-way valve, pipe adapter c is communicated with pipe adapter b, and pipe adapter a is communicated with pipe adapter f, and pipe adapter d is communicated with pipe adapter e;
Described reagent accurate quantification sampling system is when emptying; it is emptying state that control module is controlled functional switch; functional switch air in is communicated with the delivery outlet of functional switch; be connected to the input port of pump; the input port of pump is connected with the input port of functional switch, and the input port of functional switch is communicated with evacuation port;
Described reagent accurate quantification sampling system is when sample introduction, it is delivery air state that control module is controlled functional switch, the air in of functional switch is communicated with the delivery outlet of functional switch, be connected to the input port of pump, the input port of pump is connected with the input port of functional switch, the input port of functional switch is communicated with outwards propelling movement air with delivery air mouth, control module is controlled six-way valve and is switched to out liquid status, pipe adapter c is communicated with pipe adapter d, pipe adapter a is communicated with pipe adapter b, and pipe adapter f is communicated with pipe adapter e.
In such scheme, preferred described functional switch adopts two two-position three-way valves to combine.
In such scheme, preferred described reagent liquid feed valve group is with an above reagent inlet and a reagent liquid outlet, to realize the sample introduction of plurality of reagents.
In such scheme, preferred described pump is peristaltic pump or ram pump.
The invention has the beneficial effects as follows: reagent precise quantitative sample-injection method of the present invention and system, convenient and simple, adopt electronic technology, can realize the functions such as the accurate quantification of automatic many reagent and sample introduction, structural design and connection and reasonable arrangement, not only can meet many reagent accurate quantification sample introduction, also improve integrated level and the modularization of product.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
Fig. 1 is the structural representation of the specific embodiment of the present invention;
Fig. 2 is that the functional switch of the specific embodiment of the present invention extracts view;
Fig. 3 is the functional switch emptying state schematic diagram of the specific embodiment of the present invention;
Fig. 4 is the functional switch delivery air view of the specific embodiment of the present invention;
Fig. 5 is the six-way valve feed liquor view of the specific embodiment of the present invention;
Fig. 6 is the six-way valve fluid view of the specific embodiment of the present invention.
Embodiment
As shown in Figure 1, reagent accurate quantification sampling system comprises control module 1, pump 2, reagent liquid feed valve group 3, six-way valve 4 and functional switch 5, pump 2 adopts Baoding Lange OEMBJ60-01/WX10 peristaltic pump, reagent liquid feed valve group 3 adopts the electric XTA-2-5MFG-5 five valve groups of STOL, six-way valve 4 adopts Jie Anjie C22-6168EH, and functional switch 5 adopts two electric WTB-3R of STOL (K)-M6 (1/4U) F two-position three-way valve to combine.
Reagent liquid feed valve group 3 is provided with 5 reagent inlets 31 and 1 reagent liquid outlet 32, reagent liquid outlet 32 is connected with the pipe adapter c of six-way valve pipe 4, the pipe adapter d of six-way valve 4 is connected with the reagent import NO1 of functional switch 2, the delivery outlet COM1 of functional switch, input port COM2 respectively with the input port 21 of peristaltic pump 2, delivery outlet 22 connects, air in NC1 and the evacuation port NO2 of functional switch 2 are directly communicated with air, the delivery air mouth NC2 of functional switch 2 is connected with the pipe adapter a of six-way valve 4, between the pipe adapter b of six-way valve 4 and pipe adapter e, be connected with a certain amount of ring 6, the pipe adapter f of six-way valve 4 outwards outputs to reaction tank, control module 1 respectively with peristaltic pump 2, reagent liquid feed valve group 3, six-way valve 4 is connected its break-make and the state controlled with functional switch 5 signals.
Reagent precise quantitative sample-injection method of the present invention is as follows:
1. quantitatively extract: under control module 1 is controlled, functional switch 5 is switched to extraction state, as shown in Figure 2, under the attraction force acts of peristaltic pump 2, from delivery outlet 32 output of reagent liquid feed valve group 3, (control module 1 can be controlled different reagent inlets 31 input reagent to reagent, from reagent liquid outlet 32, export the reagent of selecting sample introduction different), enter the pipe adapter c of six-way valve 4, now six-way valve 4 switches to feed liquor state, as shown in Figure 5, pipe adapter c is communicated with pipe adapter b, pipe adapter a is communicated with pipe adapter f, pipe adapter d is communicated with pipe adapter e, reagent is successively through pipe adapter c, after pipe adapter b, flow through and quantitatively encircle 6, through pipe adapter e, flow to pipe adapter d again, pipe adapter d is connected with the reagent import NO1 of functional switch 5, reagent exports peristaltic pump 2 to after reagent import NO1 enters, from the delivery outlet 22 of peristaltic pump 2, export again the evacuation port NO2 discharge reagent of functional switch 5 to, complete quantitatively,
2. tube emptying: after completing quantitatively, under control module 1 is controlled, as shown in Figure 3, functional switch 5 switches to emptying state, peristaltic pump 2 pushes to the evacuation port NO2 of functional switch 5 from the air in NC1 extracting air of functional switch 5, complete the tube emptying of 5 of peristaltic pump 2 and functional switches;
3. sample introduction: under control module 1 is controlled, as shown in Figure 4, functional switch 5 switches to delivery air state, six-way valve 4 switches to out liquid status, as shown in Figure 6, pipe adapter c is communicated with pipe adapter d, pipe adapter a is communicated with pipe adapter b, pipe adapter f is communicated with pipe adapter e, peristaltic pump 2 pushes to the delivery air mouth NC2 of functional switch 5 from the air in NC1 extracting air of functional switch 5, through pipe adapter a, enter six-way valve 4, because pipe adapter a is communicated with pipe adapter b, the reagent that air promotes quantitatively to encircle maintenance 6 from pipe adapter b is successively through pipe adapter e, pipe adapter f exports reaction tank to, the reagent keeping in quantitatively encircling is all pushed out and completes sample introduction.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in the protection domain of the claims in the present invention.
Claims (6)
1. a reagent precise quantitative sample-injection method, comprises the following steps:
1. quantitatively extract: under control module is controlled, functional switch is switched to extraction state, under the attraction force acts of pump, reagent is from the delivery outlet output of reagent liquid feed valve group, enter the pipe adapter c of six-way valve, between pipe adapter b and pipe adapter e, be connected with a certain amount of ring, now six-way valve switches to feed liquor state, pipe adapter c is communicated with pipe adapter b, pipe adapter a is communicated with pipe adapter f, pipe adapter d is communicated with pipe adapter e, reagent is successively through pipe adapter c, after pipe adapter b, flow through and quantitatively encircle, through pipe adapter e, flow to pipe adapter d again, pipe adapter d is connected with the reagent import of functional switch, reagent exports pump to after reagent import enters, from the delivery outlet of pump, export again the evacuation port discharge reagent of functional switch to, complete quantitatively,
2. tube emptying: after completing quantitatively, under control module is controlled, functional switch switches to emptying state, and pump pushes to the evacuation port of functional switch from the air in extracting air of functional switch, complete the tube emptying between pump and functional switch;
3. sample introduction: under control module is controlled, functional switch switches to delivery air state, six-way valve switches to out liquid status, pipe adapter c is communicated with pipe adapter d, pipe adapter a is communicated with pipe adapter b, pipe adapter f is communicated with pipe adapter e, pump pushes to the delivery air mouth of functional switch from the air in extracting air of functional switch, through pipe adapter, a enters six-way valve, because pipe adapter a is communicated with pipe adapter b, the reagent that air keeps from pipe adapter b promotion quantitatively encircles, successively through pipe adapter e, pipe adapter f output, all pushes out the reagent keeping in quantitatively encircling and completes sample introduction.
2. reagent precise quantitative sample-injection method as claimed in claim 1, its functional switch adopts two two-position three-way valves to form.
3. a reagent accurate quantification sampling system, it is characterized in that: described reagent accurate quantification sampling system comprises control module, pump, reagent liquid feed valve group, six-way valve and functional switch, reagent liquid feed valve group is connected with six-way valve pipe adapter c, the pipe adapter d of six-way valve is connected with the reagent import of functional switch, the delivery outlet of functional switch, input port respectively with the input port of pump, delivery outlet connects, the air in of functional switch and evacuation port are directly communicated with air, the delivery air mouth of functional switch is connected with the pipe adapter a of six-way valve, between the pipe adapter b of six-way valve and pipe adapter e, be connected with a certain amount of ring, the pipe adapter f of six-way valve outwards exports, described control module respectively with pump, reagent liquid feed valve group, six-way valve is connected its break-make and the state controlled with functional switch signal,
Described reagent accurate quantification sampling system is when quantitatively extracting, it is extraction state that control module is controlled functional switch, the reagent import of functional switch is communicated with the delivery outlet of functional switch, be connected to the input port of pump, the input port of pump is connected with the input port of functional switch, and the input port of functional switch is communicated with evacuation port, it is feed liquor state that control module is controlled six-way valve, pipe adapter c is communicated with pipe adapter b, and pipe adapter a is communicated with pipe adapter f, and pipe adapter d is communicated with pipe adapter e;
Described reagent accurate quantification sampling system is when emptying; it is emptying state that control module is controlled functional switch; the air in of functional switch is communicated with the delivery outlet of functional switch; be connected to the input port of pump; the input port of pump is connected with the input port of functional switch, and the input port of functional switch is communicated with evacuation port;
Described reagent accurate quantification sampling system is when sample introduction, it is delivery air state that control module is controlled functional switch, the air in of functional switch is communicated with the delivery outlet of functional switch, be connected to the input port of pump, the input port of pump is connected with the input port of functional switch, the input port of functional switch is communicated with outwards propelling movement air with delivery air mouth, control module is controlled six-way valve and is switched to out liquid status, pipe adapter c is communicated with pipe adapter d, pipe adapter a is communicated with pipe adapter b, and pipe adapter f is communicated with pipe adapter e.
4. reagent accurate quantification sampling system as claimed in claim 3, is characterized in that: described functional switch adopts two two-position three-way valves to combine.
5. reagent accurate quantification sampling system as claimed in claim 4, is characterized in that: described reagent liquid feed valve group is with an above reagent inlet and a reagent liquid outlet.
6. reagent accurate quantification sampling system as claimed in claim 5, is characterized in that: described pump is peristaltic pump or ram pump.
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| CN201110246386.0A CN102323433B (en) | 2011-08-26 | 2011-08-26 | Reagent precise quantitative sample-injection method and system |
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| CN201110246386.0A CN102323433B (en) | 2011-08-26 | 2011-08-26 | Reagent precise quantitative sample-injection method and system |
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| CN102608342A (en) * | 2012-02-29 | 2012-07-25 | 北京工业大学 | Sampling device for enzyme injection type glucose biosensor online analyzer |
| CN106645609B (en) * | 2016-09-23 | 2019-08-20 | 南京南瑞集团公司 | A kind of hexavalent chromium water quality on-line computing model metering device and its application method |
| CN106681224B (en) * | 2017-01-24 | 2019-04-19 | 中南大学 | Method and system for quantitatively extracting solution |
| CN109374798B (en) * | 2018-10-16 | 2020-11-03 | 安徽皖仪科技股份有限公司 | Multi-tube combined type sample injection valve and using method thereof |
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| CN2585232Y (en) * | 2002-12-11 | 2003-11-05 | 中国石油化工股份有限公司上海石油化工研究院 | On-line analysing device for propylene ammonia oxidation resultant |
| CN101320001A (en) * | 2008-07-01 | 2008-12-10 | 洪陵成 | High pressure flow injection rapid analysis system for permanganate index of water quality |
| CN202351250U (en) * | 2011-08-26 | 2012-07-25 | 深圳市中兴环境仪器有限公司 | Reagent accurately quantified feeding system |
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| JPS62231132A (en) * | 1986-03-31 | 1987-10-09 | Shimadzu Corp | Sample producing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2585232Y (en) * | 2002-12-11 | 2003-11-05 | 中国石油化工股份有限公司上海石油化工研究院 | On-line analysing device for propylene ammonia oxidation resultant |
| CN101320001A (en) * | 2008-07-01 | 2008-12-10 | 洪陵成 | High pressure flow injection rapid analysis system for permanganate index of water quality |
| CN202351250U (en) * | 2011-08-26 | 2012-07-25 | 深圳市中兴环境仪器有限公司 | Reagent accurately quantified feeding system |
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Inventor after: Le Wenzhi Inventor after: Liu Zhengfeng Inventor after: Lv Xunyun Inventor after: Liu Jian Inventor after: Gan Bin Inventor after: Li Yanli Inventor before: Le Wenzhi Inventor before: Liu Zhengfeng Inventor before: Lv Xunyun Inventor before: Gan Bin Inventor before: Li Yanli |
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Effective date of registration: 20160127 Address after: Baoan District Xin'an street Shenzhen city Guangdong province 518100 District 68 Liuxian Avenue No. 1 Antongda Industrial Park 4 4 floor Patentee after: Zhongxing instrument (Shenzhen) Co., Ltd. Address before: 518004 Guangdong city of Shenzhen province Luohu District Liantang Industrial Zone 710 building 6 floor East Patentee before: Shenzhen Zhongxing Environment Instruments Co.,Ltd. |
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Address after: 518000 Room 301, building 2, runheng Industrial Zone, No.1, liuxiansan Road, 67 District, Xingdong community, Xin'an street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Bixing IOT Technology (Shenzhen) Co.,Ltd. Address before: 518100 4th floor, building 4, Antongda Industrial Park, No.1, Liuxian Avenue, 68 District, Xin'an street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: ZTE INSTRUMENTS (SHENZHEN) Co.,Ltd. |
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