CN102323433A - Reagent precise quantitative sample-injection method and system - Google Patents

Reagent precise quantitative sample-injection method and system Download PDF

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Publication number
CN102323433A
CN102323433A CN201110246386A CN201110246386A CN102323433A CN 102323433 A CN102323433 A CN 102323433A CN 201110246386 A CN201110246386 A CN 201110246386A CN 201110246386 A CN201110246386 A CN 201110246386A CN 102323433 A CN102323433 A CN 102323433A
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pipe adapter
reagent
functional switch
communicated
pump
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CN201110246386A
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CN102323433B (en
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乐文志
刘政峰
吕寻运
甘彬
李艳丽
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Bixing IOT Technology (Shenzhen) Co.,Ltd.
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SHENZHEN ZHONGXING ENVIRONMENT INSTRUMENTS CO Ltd
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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; C 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

A kind of reagent accurate quantification sample injection method and system
Technical field
The present invention relates to online environment monitoring and analytical chemistry field, in particular a kind of reagent accurate quantification sample injection method and system.
Background technology
The 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 is to the mensuration result's of automatic on-line monitoring instrument device accuracy decisive role.The kind of automatic on-line monitoring instrument device sample introduction reagent possibly be several, and the volume of reagent also maybe 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 a kind of automatic on-line sample injection method and system that has plurality of reagents sample introduction and accurate quantification concurrently, be fit to the demand of automatic on-line monitoring instrument device.
Summary of the invention
Problem to be solved by this invention provide a kind of reasonable in design, realize modularization, reagent accurate quantification sample injection method and system simple in structure.
The technical scheme that reagent accurate quantification sample injection method of the present invention is adopted is: reagent accurate quantification sample injection method may further comprise the steps:
1. quantitatively extract: under control module control, functional switch is switched to the extraction state, under the attraction force acts of pump; Reagent gets into the pipe adapter C of six-way valve from the delivery outlet output of reagent feed liquor valve group, is connected with a certain amount of ring between pipe adapter b and the pipe adapter e; This moment, six-way valve switched to the feed liquor state, and pipe adapter c is communicated with pipe adapter b, and pipe adapter a is communicated with pipe adapter f; Pipe adapter d is communicated with pipe adapter e, and the reagent quantifying ring of behind pipe adapter c, pipe adapter b, flowing through successively flow to pipe adapter d through pipe adapter e again; Pipe adapter d is connected with the reagent import of functional switch; Reagent exports pump to after the reagent import gets into, export the evacuation port discharge reagent of functional switch again to from the delivery outlet of pump, accomplishes quantitatively;
2. tube emptying: after accomplishing quantitatively, in control module control down, functional switch switches to emptying state, and pump pushes to the evacuation port of functional switch, the tube emptying between completion pump and functional switch from the air in extracting air of functional switch;
3. sample introduction: under control module control, functional switch switches to the delivery air state, and 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, and pipe adapter f is communicated with pipe adapter e, and pump pushes to the delivery air mouth of functional switch from the air in extracting air of functional switch; Get into six-way valve through pipe adapter a; Because of pipe adapter a is communicated with pipe adapter b, air is exported through pipe adapter e, pipe adapter f from the reagent that pipe adapter b promotes to keep the quantifying ring successively, and the reagent that keeps in the quantifying ring is all pushed out the completion sample introduction.
In the such scheme, preferred said functional switch adopts two two-position three-way valves to form.
The technical scheme that reagent accurate quantification sampling system of the present invention is adopted is: reagent accurate quantification sampling system comprises control module, pump, reagent feed liquor valve group, six-way valve and functional switch; Reagent feed liquor 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 are connected with input port, the delivery outlet of pump respectively; The air in of functional switch and evacuation port directly are communicated with air, and the delivery air mouth of functional switch is connected with the pipe adapter a of six-way valve, is connected with a certain amount of ring between the pipe adapter b of six-way valve and the pipe adapter e; The pipe adapter f of six-way valve outwards exports, and said control module is connected its break-make of control and state with pump, reagent feed liquor valve group, six-way valve respectively with the functional switch signal;
Said reagent accurate quantification sampling system is when quantitatively extracting, and control module control function switch is the extraction state, and 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; Control module control six-way valve is the feed liquor state; 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;
Said reagent accurate quantification sampling system is when emptying; Control module control function switch is an emptying state; The 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;
Said reagent accurate quantification sampling system is when sample introduction; Control module control function switch is the delivery air state, and the air in of functional switch is communicated with the delivery outlet of functional switch, is 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 the delivery air mouth, control module control six-way valve switches to out liquid status, and 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 the such scheme, preferred said functional switch adopts two two-position three-way valves to combine.
In the such scheme, preferred said reagent feed liquor valve group has an above reagent inlet and a reagent liquid outlet, so that realize the sample introduction of plurality of reagents.
In the such scheme, preferred said pump is peristaltic pump or ram pump.
The invention has the beneficial effects as follows: reagent accurate quantification sample injection method of the present invention and system; Convenient and simple; Adopt electronic technology, can realize the functions such as accurate quantification and sample introduction of automatic many reagent, structural design and connection and reasonable arrangement; Not only can satisfy many reagent accurate quantification sample introduction, also improve the integrated level and the modularization of product.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is done further explain:
Fig. 1 is the structural representation of embodiment of the present invention;
Fig. 2 is that the functional switch of embodiment of the present invention extracts view;
Fig. 3 is the functional switch emptying state synoptic diagram of embodiment of the present invention;
Fig. 4 is the functional switch delivery air view of embodiment of the present invention;
Fig. 5 is the six-way valve feed liquor view of embodiment of the present invention;
Fig. 6 is the six-way valve fluid view of embodiment of the present invention.
Embodiment
As shown in Figure 1; Reagent accurate quantification sampling system comprises control module 1, pump 2, reagent feed liquor valve group 3, six-way valve 4 and functional switch 5; Pump 2 employing Baoding Lange OEMBJ60-01/WX10 peristaltic pumps; Reagent feed liquor valve group 3 adopts the electric XTA-2-5MFG-5 five valve groups of high sand, and six-way valve 4 adopts Jie Anjie C22-6168EH, and functional switch 5 adopts two electric WTB-3R of high sand (K)-M6 (1/4U) F two-position three-way valve to combine.
Reagent feed liquor 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 are connected with input port 21, the delivery outlet 22 of peristaltic pump 2 respectively; The air in NC1 and the evacuation port NO2 of functional switch 2 directly are communicated with air, and the delivery air mouth NC2 of functional switch 2 is connected with the pipe adapter a of six-way valve 4, are connected with a certain amount of ring 6 between the pipe adapter b of six-way valve 4 and the pipe adapter e; The pipe adapter f of six-way valve 4 outwards outputs to reaction tank, and control module 1 is connected its break-make of control and state with peristaltic pump 2, reagent feed liquor valve group 3, six-way valve 4 respectively with functional switch 5 signals.
Reagent accurate quantification sample injection method of the present invention is following:
1. quantitatively extract: under control module 1 control, functional switch 5 is switched to the extraction state, as shown in Figure 2; Under the attraction force acts of peristaltic pump 2, reagent is from delivery outlet 32 outputs (control module 1 can be controlled different reagent inlets 31 input reagent, exports to select the different reagent of sample introduction from reagent liquid outlet 32) of reagent feed liquor valve group 3; Get into the pipe adapter C of six-way valve 4, this moment, six-way valve 4 switched to the feed liquor state, and is as shown in Figure 5; 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; The reagent quantifying ring 6 of behind pipe adapter c, pipe adapter b, flowing through successively; Flow to pipe adapter d through pipe adapter e again, pipe adapter d is connected with the reagent import NO1 of functional switch 5, and reagent exports peristaltic pump 2 to after reagent import NO1 gets into; Export the evacuation port NO2 discharge reagent of functional switch 5 again from the delivery outlet 22 of peristaltic pump 2 to, accomplish quantitatively;
2. tube emptying: after accomplishing quantitatively; Under control module 1 control, 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, accomplishes the tube emptying of 5 of peristaltic pump 2 and functional switches;
3. sample introduction: under control module 1 control, as shown in Figure 4, functional switch 5 switches to the delivery air state; Six-way valve 4 switches to out liquid status, and is as shown in Figure 6, and 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, and 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; Get into six-way valve 4 through pipe adapter a; Because of pipe adapter a is communicated with pipe adapter b, air exports reaction tank to through pipe adapter e, pipe adapter f successively from the reagent that pipe adapter b promotes to keep the quantifying ring 6, and the reagent that keeps in the quantifying ring is all pushed out the completion sample introduction.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within the protection domain of claim of the present invention.

Claims (6)

1. reagent accurate quantification sample injection method may further comprise the steps:
1. quantitatively extract: under control module control, functional switch is switched to the extraction state, under the attraction force acts of pump; Reagent gets into the pipe adapter C of six-way valve from the delivery outlet output of reagent feed liquor valve group, is connected with a certain amount of ring between pipe adapter b and the pipe adapter e; This moment, six-way valve switched to the feed liquor state, and pipe adapter c is communicated with pipe adapter b, and pipe adapter a is communicated with pipe adapter f; Pipe adapter d is communicated with pipe adapter e, and the reagent quantifying ring of behind pipe adapter c, pipe adapter b, flowing through successively flow to pipe adapter d through pipe adapter e again; Pipe adapter d is connected with the reagent import of functional switch; Reagent exports pump to after the reagent import gets into, export the evacuation port discharge reagent of functional switch again to from the delivery outlet of pump, accomplishes quantitatively;
2. tube emptying: after accomplishing quantitatively, in control module control down, functional switch switches to emptying state, and pump pushes to the evacuation port of functional switch, the tube emptying between completion pump and functional switch from the air in extracting air of functional switch;
3. sample introduction: under control module control, functional switch switches to the delivery air state, and 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, and pipe adapter f is communicated with pipe adapter e, and pump pushes to the delivery air mouth of functional switch from the air in extracting air of functional switch; Get into six-way valve through pipe adapter a; Because of pipe adapter a is communicated with pipe adapter b, air is exported through pipe adapter e, pipe adapter f from the reagent that pipe adapter b promotes to keep the quantifying ring successively, and the reagent that keeps in the quantifying ring is all pushed out the completion sample introduction.
2. reagent accurate quantification sample injection method according to claim 1, its functional switch adopts two two-position three-way valves to form.
3. reagent accurate quantification sampling system; It is characterized in that: said reagent accurate quantification sampling system comprises control module, pump, reagent feed liquor valve group, six-way valve and functional switch; C 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, and the delivery outlet of functional switch, input port are connected with input port, the delivery outlet of pump respectively, and the air in of functional switch and evacuation port directly are communicated with air; The delivery air mouth of functional switch is connected with the pipe adapter a of six-way valve; Be connected with a certain amount of ring between the pipe adapter b of six-way valve and the pipe adapter e, the pipe adapter f of six-way valve outwards exports, and said control module is connected its break-make of control and state with pump, reagent feed liquor valve group, six-way valve respectively with the functional switch signal;
Said reagent accurate quantification sampling system is when quantitatively extracting, and control module control function switch is the extraction state, and 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; Control module control six-way valve is the feed liquor state; 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;
Said reagent accurate quantification sampling system is when emptying; Control module control function switch is an emptying state; 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;
Said reagent accurate quantification sampling system is when sample introduction; Control module control function switch is the delivery air state, and the air in of functional switch is communicated with the delivery outlet of functional switch, is 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 the delivery air mouth, control module control six-way valve switches to out liquid status, and 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. like the said reagent accurate quantification of claim 3 sampling system, it is characterized in that: said functional switch adopts two two-position three-way valves to combine.
5. like the said reagent accurate quantification of claim 4 sampling system, it is characterized in that: said reagent feed liquor valve group has an above reagent inlet and a reagent liquid outlet.
6. like the said reagent accurate quantification of claim 5 sampling system, it is characterized in that: said pump is peristaltic pump or ram pump.
CN201110246386.0A 2011-08-26 2011-08-26 Reagent precise quantitative sample-injection method and system Active CN102323433B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102608342A (en) * 2012-02-29 2012-07-25 北京工业大学 Sampling device for enzyme injection type glucose biosensor online analyzer
CN106645609A (en) * 2016-09-23 2017-05-10 南京南瑞集团公司 Metering device for online hexavalent-chromium water quality monitor and using method of metering device
CN106681224A (en) * 2017-01-24 2017-05-17 中南大学 Method and system for quantitatively extracting solution
CN109374798A (en) * 2018-10-16 2019-02-22 安徽皖仪科技股份有限公司 Multi-tube composite sampling valve and its application method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62231132A (en) * 1986-03-31 1987-10-09 Shimadzu Corp Sample producing device
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62231132A (en) * 1986-03-31 1987-10-09 Shimadzu Corp Sample producing device
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

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102608342A (en) * 2012-02-29 2012-07-25 北京工业大学 Sampling device for enzyme injection type glucose biosensor online analyzer
CN106645609A (en) * 2016-09-23 2017-05-10 南京南瑞集团公司 Metering device for online hexavalent-chromium water quality monitor and using method of metering device
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
CN106681224A (en) * 2017-01-24 2017-05-17 中南大学 Method and system for quantitatively extracting solution
CN106681224B (en) * 2017-01-24 2019-04-19 中南大学 A kind of method and system quantitatively extracting solution
CN109374798A (en) * 2018-10-16 2019-02-22 安徽皖仪科技股份有限公司 Multi-tube composite sampling valve and its application method

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Inventor after: Le Wenzhi

Inventor after: Liu Zhengfeng

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Address after: Baoan District Xin'an street Shenzhen city Guangdong province 518100 District 68 Liuxian Avenue No. 1 Antongda Industrial Park 4 4 floor

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