CN108241066A - A kind of the inner loop pipeline system and its control method of more test solution Programmable detections - Google Patents
A kind of the inner loop pipeline system and its control method of more test solution Programmable detections Download PDFInfo
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- CN108241066A CN108241066A CN201810050862.3A CN201810050862A CN108241066A CN 108241066 A CN108241066 A CN 108241066A CN 201810050862 A CN201810050862 A CN 201810050862A CN 108241066 A CN108241066 A CN 108241066A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/00584—Control arrangements for automatic analysers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/02—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
- G01N35/04—Details of the conveyor system
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Abstract
The invention discloses a kind of the inner loop pipeline systems and its control method of more test solution Programmable detections, this system is built into an internal circulation of liquid pipeline with small number of two three-way electromagnetic valve, three-way magnetic valve, peristaltic pump, reagent bottle, detection cell, washer bottle, waste liquid bottle and corresponding liquid line and triplate line crossover sub etc., solenoid valve port is opened and closed by embedded chip again and wriggling pump operation controls, so as to fulfill the automatic detection process to a variety of sample on-line analyses or the addition of plurality of reagents program.The control method of this system not only includes test solution sample introduction, and the processes such as whole pipeline-cleaning and discharging of waste liquid also provide condition to the test solution and the inner cyclic process of cleaning solution that need to realize in detection process.The pipe-line system of the present invention has the advantages of simple in structure, easy to use, suitable for environment water on-line monitoring with analysis system and including a variety of on-line monitorings and the instrument system of process analysis procedure analysis including production process monitoring, medical procedure etc..
Description
Technical field
The invention belongs to Instrumental Analysis technical field of automation more particularly to a kind of inner circulating tubes of more test solution Programmable detections
Road system and its control method.
Background technology
Realization is the requirement of Instrumental Analysis to the automation of sample detection process, and detection process generally comprises sample introduction, divides
Analysis excludes the processes such as waste liquid and cleaning.At present relatively current method be realized with multiposition valve and peristaltic pump a variety of test solutions and
Reagent enters detection/reaction system（For example, the multi-parameter water quality monitoring micro-system based on MOMES micro spectrometers, publication number：
CN102147373A；A kind of quick online monitoring instruments of water quality total phosphorus, publication number：CN203672889U）, this technology is in test solution
With reagent after detection/reaction system is entered, liquid is in one-way flow, until finally entering waste liquid bottle.
For need in detection process, need keep test solution interior cycle in detection cell/reaction tank process, such as with
Reducing substances in the hydroxyl radical free radical oxidation water body that line generates are the COD detection process of operation principle, in stripping voltammetry,
During dynamic liquid deposition process and certain electrochemistry formateds, need to realize that reaction solution leads to repeatedly to improve yield
It crosses during reaction tank etc., existing multiposition valve+peristaltic pump technology can not be realized.
Invention content
In order to realize sample introduction, interior cycle, the overall process of the whole analyses such as pipeline-cleaning and discharging of waste liquid detection, the present invention carries
A kind of the inner loop pipeline system and its control method of more test solution Programmable detections are supplied, by embedded chip to corresponding electromagnetism
Valve and peristaltic pump are controlled, to realize the Programmable detection of the on-line analysis of Multi-example and plurality of reagents.
In order to solve the above technical problems, realizing above-mentioned technique effect, the invention is realized by the following technical scheme：
A kind of inner loop pipeline system of more test solution Programmable detections including several test solution bottles, both may be used in each test solution bottles
To be different test solutions to be analyzed or participate in the reagent of reaction detection, each test solution bottles pass through a correspondence
Two three-way electromagnetic valves connect with the No.1 port of the first three-way magnetic valve, No. two ports of first three-way magnetic valve with one
Washer bottle connects, and No. three ports of first three-way magnetic valve connect with the No.1 port of the second three-way magnetic valve, and described the
No. two ports of two three-way magnetic valves are connect with the No.1 port of third three-way magnetic valve, No. three of second three-way magnetic valve
Port is connect by the first peristaltic pump with the liquid inlet positioned at detection cell pool wall top, the liquid outlet positioned at the detection cell bottom
It is connect by the second peristaltic pump with the No.1 port of the 4th three-way magnetic valve, No. two port skies of the 4th three-way magnetic valve
It connecing, No. three ports of the 4th three-way magnetic valve are connect with No. three ports of the third three-way magnetic valve, and the described 3rd 3
No. two ports of three-way electromagnetic valve are connect with waste liquid bottle.
Further, two three-way electromagnetic valve, first three-way magnetic valve, second three-way magnetic valve, described
Three three-way magnetic valves, the 4th three-way magnetic valve, first peristaltic pump and second peristaltic pump are by embedded chip
Control.
Two three-way electromagnetic valves are opened unless indicating below, are otherwise closed；Three ports of three-way magnetic valve indicate
Some port is closed, then other two port is in opening；Otherwise peristaltic pump is located unless dated opening
In closed state.
Further, the embedded chip by controlling any one of two three-way electromagnetic valve to be in opening state simultaneously
State, remaining described two three-way electromagnetic valve are closed, and the No.1 of first three-way magnetic valve, No. three ports are in opening state
State, the No.1 of second three-way magnetic valve, No. three ports are in opening, and first peristaltic pump is in opening,
No. two of 4th three-way magnetic valve, No. three ports be in opening, connect test solution inlet pipe.
Further, the embedded chip by controlling No. two, No. three ports of second three-way magnetic valve simultaneously
In opening, first peristaltic pump is in opening, and second peristaltic pump is in opening, and the described 3rd 3
The No.1 of three-way electromagnetic valve, No. three ports are in opening, and the No.1 of the 4th three-way magnetic valve, No. three ports are in and open
State connects inner loop pipeline.
Further, the embedded chip by controlling No. two, No. three ports of first three-way magnetic valve simultaneously
In opening, the No.1 of second three-way magnetic valve, No. three ports are in opening, and first peristaltic pump is in
Opening connects cleaning solution inlet pipe.
Further, the embedded chip by controlling No. two, No. three ports of second three-way magnetic valve simultaneously
In opening, first peristaltic pump is in opening, No. two of the 4th three-way magnetic valve, No. three ports are in
Opening, the No.1 of the third three-way magnetic valve, No. three ports are in opening, connect remaining cleaning fluid recovery tube
Road.
Further, the embedded chip by controlling No. two, No. three ports of the third three-way magnetic valve simultaneously
In opening, second peristaltic pump is in opening, and the No.1 of the 4th three-way magnetic valve, No. three ports are in
Closed state connects waste liquid discharge line.
A kind of control method of the inner loop pipeline system of more test solution Programmable detections includes the following steps：
Step 1）When needing to add test solution, its specific method of connection test solution inlet pipe is：
Two three-way electromagnetic valves in wherein some test solution bottles are opened, and two three-way electromagnetic valve in remaining described test solution bottles is complete
Portion closes, by the No.1 of the first three-way magnetic valve, No. three port opens, secondly number port shutdown, by the second three-way magnetic valve
No.1, No. three port opens secondly number port shutdown, the first peristaltic pump is opened, the second peristaltic pump are closed, by the 4th threeway
The No.1 port shutdown of solenoid valve；
At this point, the test solution of required addition under the action of first peristaltic pump, is sucked out from the corresponding test solution bottles,
After the No.1, the No.1 of No. three ports and second three-way magnetic valve, No. three ports of first three-way magnetic valve, from
Liquid inlet positioned at detection cell pool wall top is flowed into the detection cell；
Step 2）When needing that test solution is detected, when needing to connect inner loop pipeline, specific method is：
By the No.1 port shutdown of second three-way magnetic valve, secondly number, No. three port opens, first peristaltic pump is opened
It opens, second peristaltic pump is opened, by the No.1 of the 4th three-way magnetic valve, No. three port opens, secondly number port is closed
It closes, by the No.1 of third three-way magnetic valve, No. three port opens, secondly number port shutdown；
At this point, the test solution in the detection cell is under the collective effect of first peristaltic pump and second peristaltic pump,
It is sucked out from the liquid outlet of the detection cell bottom, in No.1, No. three ports, the third by the 4th three-way magnetic valve
No. three of three-way magnetic valve, behind second, third port of No.1 port and second three-way magnetic valve, from positioned at the detection
The liquid inlet on pond pool wall top is passed back into the detection cell；
Step 3）After test solution detects, waste liquid discharge line is connected, specific method is：
By No. two of the third three-way magnetic valve, No. three port opens, second peristaltic pump is opened in No.1 port shutdown
It opens, by the No.1 of the 4th three-way magnetic valve, No. three port opens, secondly number port shutdown；
At this point, the test solution waste liquid in the detection cell is under the action of second peristaltic pump, from the detection cell bottom
Liquid outlet be sucked out, by the three of the No.1 of the 4th three-way magnetic valve, No. three ports and the third three-way magnetic valve
Number, flow into waste liquid bottle behind No. two ports, so as to fulfill the discharge of test solution waste liquid；
Step 4）When needing to clean the inner loop pipeline, cleaning solution inlet pipe is connected first, and specific method is：
By No. two of first three-way magnetic valve, No. three port opens, No.1 port shutdown, by the second threeway electromagnetism
Secondly number port shutdown, first peristaltic pump is opened, second peristaltic pump is closed for the No.1 of valve, No. three port opens
It closes, by the No.1 port shutdown of the 4th three-way magnetic valve；
At this point, the cleaning solution in washer bottle is sucked out under the action of first peristaltic pump from the washer bottle bottleneck,
By No. two of first three-way magnetic valve, No. three ports and second three-way magnetic valve No.1, behind No. three ports,
It is flowed into the detection cell from positioned at the liquid inlet on the detection cell pool wall top；
Step 5）After cleaning solution flows into the detection cell, the inner loop pipeline is then again switched on, specific method is：
By the No.1 port shutdown of second three-way magnetic valve, secondly number, No. three port opens, first peristaltic pump is opened
It opens, second peristaltic pump is opened, by the No.1 of the 4th three-way magnetic valve, No. three port opens, secondly number port is closed
It closes, by the No.1 of third three-way magnetic valve, No. three port opens, secondly number port shutdown；
At this point, the collective effect of cleaning solution in the detection cell in first peristaltic pump and second peristaltic pump
Under, it is sucked out from the liquid outlet of the detection cell bottom, by the No.1 of the 4th three-way magnetic valve, No. three ports, described
No. three of third three-way magnetic valve, behind second, third port of No.1 port and second three-way magnetic valve, from positioned at described
The liquid inlet on detection cell pool wall top is passed back into the detection cell；
Step 6）When after circulation terminates, being next turned on remaining cleaning fluid recovery pipe in cleaning solution, specific method is：
By No. two of second three-way magnetic valve, No. three port opens, first peristaltic pump is opened in No.1 port shutdown
It opens, the second peristaltic pump is closed, by No. two of the 4th three-way magnetic valve, No. three port opens, No.1 port shutdown will
The No.1 of the third three-way magnetic valve, No. three port opens, secondly number port shutdown；
At this point, it remains between second three-way magnetic valve, the third three-way magnetic valve and the 4th three-way magnetic valve
Liquid line in remaining cleaning fluid, under the action of first peristaltic pump, by No. three of the third three-way magnetic valve,
Behind No.1 port and second, third port of second three-way magnetic valve, enter liquid from positioned at the detection cell pool wall top
Mouth is passed back into the detection cell；When recycling remaining cleaning fluid, the second port of the 4th three-way magnetic valve open and with
Air is connected so that remaining cleaning fluid can be drawn by first peristaltic pump in the detection cell, realize remaining cleaning fluid
Whole recycling；
Step 7）After remaining cleaning fluid recycles completely, waste liquid discharge line is finally connected, specific method is：
By No. two of the third three-way magnetic valve, No. three port opens, second peristaltic pump is opened in No.1 port shutdown
It opens, by the No.1 of the 4th three-way magnetic valve, No. three port opens, secondly number port shutdown；
At this point, the cleaning solution waste liquid in the detection cell is under the action of second peristaltic pump, from the detection cell bottom
The liquid outlet in portion is sucked out, by the No.1 of the 4th three-way magnetic valve, No. three ports and the third three-way magnetic valve
No. three, flow into waste liquid bottle behind No. two ports, so as to fulfill the cleaning of the inner loop pipeline.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention provides a kind of liquid pipeline system, with small number of two three-way electromagnetic valve, three-way magnetic valve, peristaltic pump,
Reagent bottle and corresponding triplate line crossover sub etc., then by embedded chip to solenoid valve port opening and closing and wriggling pump operation
It is controlled, so as to fulfill the automatic detection process to a variety of sample on-line analyses or the addition of plurality of reagents program.This pipeline
The control method of system not only includes test solution sample introduction, the processes such as whole pipeline-cleaning and discharging of waste liquid, also to being needed in detection process
The test solution and the inner cyclic process of cleaning solution to be realized provides condition.The pipe-line system of the present invention has simple in structure, use
The advantages of facilitating, it is various with analysis system and including production process monitoring, medical procedure etc. suitable for environment water on-line monitoring
On-line monitoring analysis on-line monitoring a variety of with process monitoring system etc. and the instrument system of process analysis procedure analysis.
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be implemented in accordance with the contents of the specification, below with presently preferred embodiments of the present invention and after attached drawing is coordinated to be described in detail such as.
The specific embodiment of the present invention is shown in detail by following embodiment and its attached drawing.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and forms the part of the application, this hair
Bright illustrative embodiments and their description do not constitute improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the overall structure diagram of inner loop pipeline system of the present invention；
Fig. 2 is the structure diagram when present invention connects test solution inlet pipe；
Fig. 3 is the structure diagram when present invention connects test solution inner loop pipeline；
Fig. 4 is the structure diagram when present invention connects cleaning solution inlet pipe；
Fig. 5 is the structure diagram when present invention connects cleaning solution inner loop pipeline；
Fig. 6 is the structure diagram when present invention connects remaining cleaning fluid recovery pipe；
Fig. 7 is the structure diagram when present invention connects waste liquid discharge line.
Specific embodiment
It is below with reference to the accompanying drawings and in conjunction with the embodiments, next that the present invention will be described in detail.Illustration is used for providing to this herein
Invention is further understood, and forms the part of the application, and illustrative embodiments and their description of the invention are used to explain this hair
It is bright, it does not constitute improper limitations of the present invention.
It is shown in Figure 1, a kind of inner loop pipeline system of more test solution Programmable detections, including several test solution bottles 1, each
Either different test solutions to be analyzed or the reagent of participation reaction detection, each test solution in the test solution bottles 1
Bottle 1 is connect by corresponding two three-way electromagnetic valve 2 with the No.1 port of the first three-way magnetic valve 3, and the described 1st is powered
No. two ports of magnet valve 3 are connect with a washer bottle 4, No. three ports and the second threeway electromagnetism of first three-way magnetic valve 3
The No.1 port connection of valve 5, No. two ports of second three-way magnetic valve 5 connect with the No.1 port of third three-way magnetic valve 6
It connects, No. three ports of second three-way magnetic valve 5 pass through the first peristaltic pump 7 and the liquid inlet positioned at 8 pool wall top of detection cell
Connection, the liquid outlet positioned at 8 bottom of detection cell are connected by the No.1 port of the second peristaltic pump 9 and the 4th three-way magnetic valve 10
It connects, No. two port skies of the 4th three-way magnetic valve 10 connect, No. three ports of the 4th three-way magnetic valve 10 and described the
No. three ports connection of three three-way magnetic valves 6, No. two ports of the third three-way magnetic valve 6 are connect with waste liquid bottle 11.
Further, two three-way electromagnetic valve 2, first three-way magnetic valve 3, second three-way magnetic valve 5, described
Third three-way magnetic valve 6, the 4th three-way magnetic valve 10, first peristaltic pump 7 and second peristaltic pump 9 are by insertion
Formula chip controls.
Two three-way electromagnetic valves are opened unless indicating below, are otherwise closed；Three ports of three-way magnetic valve indicate
Some port is closed, then other two port is in opening；Otherwise peristaltic pump is located unless dated opening
In closed state.
Further, shown in Figure 2, the embedded chip by controlling any one of two three-way electromagnetic valve simultaneously
2 are in opening, remaining described two three-way electromagnetic valve 2 is closed, the No.1 of first three-way magnetic valve 3, No. three
Port is in opening, and the No.1 of second three-way magnetic valve 5, No. three ports are in opening, and described first wriggles
Pump 7 in opening, No. two of the 4th three-way magnetic valve 10, No. three ports be in opening, connection test solution feed liquor
Pipeline.
Further, referring to shown in Fig. 3 and Fig. 5, the embedded chip by controlling the second threeway electromagnetism simultaneously
No. two of valve 5, No. three ports be in opening, first peristaltic pump 7 is in opening, at second peristaltic pump 9
In opening, the No.1 of the third three-way magnetic valve 6, No. three ports are in opening, the 4th three-way magnetic valve
10 No.1, No. three ports are in opening, connect inner loop pipeline.
Further, shown in Figure 4, the embedded chip by controlling first three-way magnetic valve 3 simultaneously
No. two, No. three ports be in opening, the No.1 of second three-way magnetic valve 5, No. three ports are in opening, described
First peristaltic pump 7 is in opening, connects cleaning solution inlet pipe.
Further, shown in Figure 6, the embedded chip by controlling second three-way magnetic valve 5 simultaneously
No. two, No. three ports be in opening, first peristaltic pump 7 is in opening, the 4th three-way magnetic valve 10
No. two, No. three ports be in opening, the No.1 of the third three-way magnetic valve 6, No. three ports are in opening, connect
Remaining cleaning fluid recovery pipe.
Further, shown in Figure 7, the embedded chip by controlling the third three-way magnetic valve 6 simultaneously
No. two, No. three ports be in opening, second peristaltic pump 9 is in opening, the 4th three-way magnetic valve 10
No.1, No. three ports are closed, and connect waste liquid discharge line.
A kind of control method of the inner loop pipeline system of more test solution Programmable detections includes the following steps：
Step 1）When needing to add test solution, its specific method of connection test solution inlet pipe is：
It is shown in Figure 2, two three-way electromagnetic valves 2 in wherein some test solution bottles 1 are opened, and will be in remaining described test solution bottles 1
Two three-way electromagnetic valves, 2 Close All, by the No.1 of the first three-way magnetic valve 3, No. three port opens, secondly number port shutdown,
By the No.1 of the second three-way magnetic valve 5, No. three port opens, secondly number port shutdown, the first peristaltic pump 7 is opened, by second
Peristaltic pump 9 is closed, by the No.1 port shutdown of the 4th three-way magnetic valve 10；
At this point, the test solution of required addition under the action of first peristaltic pump 7, is sucked out from the corresponding test solution bottles 1,
In the No.1, the No.1 of No. three ports and second three-way magnetic valve 5, No. three ports by first three-way magnetic valve 3
Afterwards, it is flowed into the detection cell 8 from positioned at the liquid inlet on 8 pool wall top of detection cell；
Step 2）It is detected when to test solution, when needing to connect inner loop pipeline, specific method is：
It is shown in Figure 3, by the No.1 port shutdown of second three-way magnetic valve 5, secondly number, No. three port opens, by institute
It states the first peristaltic pump 7 to open, second peristaltic pump 9 is opened, by the No.1 of the 4th three-way magnetic valve 10, No. three ports
It opens, secondly number port shutdown, by the No.1 of third three-way magnetic valve 6, No. three port opens, secondly number port shutdown；
At this point, the collective effect of test solution in the detection cell 8 in first peristaltic pump 7 and second peristaltic pump 9
Under, it is sucked out from the liquid outlet of 8 bottom of detection cell, by the No.1 of the 4th three-way magnetic valve 10, No. three ports, institute
State No. three of third three-way magnetic valve 6, behind second, third port of No.1 port and second three-way magnetic valve 5, from positioned at
The liquid inlet on the 8 pool wall top of detection cell is passed back into the detection cell 8；
Step 3）After test solution detects, waste liquid discharge line is connected, specific method is：
It is shown in Figure 7, by No. two of the third three-way magnetic valve 6, No. three port opens, No.1 port shutdown, by institute
It states the second peristaltic pump 9 to open, by the No.1 of the 4th three-way magnetic valve 10, No. three port opens, secondly number port shutdown；
At this point, the test solution waste liquid in the detection cell 8 is under the action of second peristaltic pump 9, from 8 bottom of detection cell
The liquid outlet in portion is sucked out, in No.1, No. three ports and the third three-way magnetic valve 6 by the 4th three-way magnetic valve 10
No. three, flow into waste liquid bottle 11 behind No. two ports, so as to fulfill the discharge of test solution waste liquid；
Step 4）When needing to clean the inner loop pipeline, cleaning solution inlet pipe is connected first, and specific method is：
It is shown in Figure 4, by No. two of first three-way magnetic valve 3, No. three port opens, No.1 port shutdown, by institute
The No.1 of the second three-way magnetic valve 5, No. three port opens are stated, secondly number port shutdown, first peristaltic pump 7 is opened, it will
Second peristaltic pump 9 is closed, by the No.1 port shutdown of the 4th three-way magnetic valve 10；
At this point, the cleaning solution in washer bottle 4 under the action of first peristaltic pump 7, is inhaled from 4 bottleneck of washer bottle
Go out, at No.1, No. three ends by No. two of first three-way magnetic valve 3, No. three ports and second three-way magnetic valve 5
After mouthful, flowed into the detection cell 8 from positioned at the liquid inlet on the 8 pool wall top of detection cell；
Step 5）After cleaning solution flows into detection cell 8, the inner loop pipeline is then again switched on, specific method is：
It is shown in Figure 5, by the No.1 port shutdown of second three-way magnetic valve 5, secondly number, No. three port opens, by institute
It states the first peristaltic pump 7 to open, second peristaltic pump 9 is opened, by the No.1 of the 4th three-way magnetic valve 10, No. three ports
It opens, secondly number port shutdown, by the No.1 of third three-way magnetic valve 6, No. three port opens, secondly number port shutdown；
At this point, the cleaning solution in the detection cell 8 is in first peristaltic pump 7 and the common work of second peristaltic pump 9
Under, be sucked out from the liquid outlet of 8 bottom of detection cell, by the No.1 of the 4th three-way magnetic valve 10, No. three ports,
No. three of the third three-way magnetic valve 6, behind second, third port of No.1 port and second three-way magnetic valve 5, from position
Liquid inlet in the 8 pool wall top of detection cell is passed back into the detection cell 8；
Step 6）When after circulation terminates, being next turned on remaining cleaning fluid recovery pipe in cleaning solution, specific method is：
It is shown in Figure 6, by No. two of second three-way magnetic valve 5, No. three port opens, No.1 port shutdown, by institute
It states the first peristaltic pump 7 to open, the second peristaltic pump 9 is closed, No. two of the 4th three-way magnetic valve 10, No. three ports are opened
It opens, No.1 port shutdown, by the No.1 of the third three-way magnetic valve 6, No. three port opens, secondly number port shutdown；
At this point, remain in second three-way magnetic valve 5, the third three-way magnetic valve 6 and the 4th three-way magnetic valve 10
Between liquid line in remaining cleaning fluid, under the action of first peristaltic pump 7, pass through the third three-way magnetic valve 6
No. three, behind second, third port of No.1 port and second three-way magnetic valve 5, from 8 pool wall of detection cell
The liquid inlet in portion is passed back into the detection cell 8；When recycling remaining cleaning fluid, the second end of the 4th three-way magnetic valve 10
Mouth is opened and is connected with air so that remaining cleaning fluid can be drawn by first peristaltic pump 7 in the detection cell 8, real
Whole recycling of existing remaining cleaning fluid；
Step 7）After remaining cleaning fluid recycles completely, waste liquid discharge line is finally connected, specific method is：
It is shown in Figure 7, by No. two of the third three-way magnetic valve 6, No. three port opens, No.1 port shutdown, by institute
It states the second peristaltic pump 9 to open, by the No.1 of the 4th three-way magnetic valve 10, No. three port opens, secondly number port shutdown；
At this point, the cleaning solution waste liquid in the detection cell 8 is under the action of second peristaltic pump 9, from the detection cell 8
The liquid outlet of bottom is sucked out, in No.1, No. three ports and the third threeway electromagnetism by the 4th three-way magnetic valve 10
No. three of valve 6, flow into waste liquid bottle 11 behind No. two ports, so as to fulfill the cleaning of the inner loop pipeline.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.Any modification for all within the spirits and principles of the present invention, being made,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of inner loop pipeline system of more test solution Programmable detections, it is characterised in that：Including several test solution bottles（1）, each
The test solution bottles（1）Pass through corresponding two three-way electromagnetic valve（2）With the first three-way magnetic valve（3）No.1 port connection,
First three-way magnetic valve（3）No. two ports and a washer bottle（4）Connection, first three-way magnetic valve（3）Three
Number port and the second three-way magnetic valve（5）No.1 port connection, second three-way magnetic valve（5）No. two ports and third
Three-way magnetic valve（6）No.1 port connection, second three-way magnetic valve（5）No. three ports pass through the first peristaltic pump（7）
With positioned at detection cell（8）The liquid inlet connection on pool wall top, positioned at the detection cell（8）The liquid outlet of bottom is wriggled by second
Pump（9）With the 4th three-way magnetic valve（10）No.1 port connection, the 4th three-way magnetic valve（10）No. two port skies connect,
4th three-way magnetic valve（10）No. three ports and the third three-way magnetic valve（6）The connection of No. three ports, described the
Three three-way magnetic valves（6）No. two ports and waste liquid bottle（11）Connection.
2. the inner loop pipeline system of more test solution Programmable detections according to claim 1, it is characterised in that：Described two are powered
Magnet valve（2）, first three-way magnetic valve（3）, second three-way magnetic valve（5）, the third three-way magnetic valve（6）, institute
State the 4th three-way magnetic valve（10）, first peristaltic pump（7）With second peristaltic pump（9）It is controlled by embedded chip.
3. the inner loop pipeline system of more test solution Programmable detections according to claim 2, it is characterised in that：It is described embedded
Chip by controlling any one of two three-way electromagnetic valve simultaneously（2）In opening, remaining described two three-way electromagnetic valve（2）Place
In closed state, first three-way magnetic valve（3）No.1, No. three ports be in opening, secondly number port be in close
Closed state, second three-way magnetic valve（5）No.1, No. three ports be in opening, secondly number port be in close shape
State, first peristaltic pump（7）In opening, second peristaltic pump（9）It is closed, the described 4th 3 is powered
Magnet valve（10）No.1 port be closed, connect test solution inlet pipe.
4. the inner loop pipeline system of more test solution Programmable detections according to claim 2, it is characterised in that：It is described embedded
Chip by controlling second three-way magnetic valve simultaneously（5）No. two, No. three ports be in opening, at No.1 port
In closed state, first peristaltic pump（7）In opening, second peristaltic pump（9）In opening, described
Three three-way magnetic valves（6）No.1, No. three ports be in opening, secondly a number port is closed, the described 4th 3
Three-way electromagnetic valve（10）No.1, No. three ports be in opening, secondly a number port is closed, connect inner circulating tube
Road.
5. the inner loop pipeline system of more test solution Programmable detections according to claim 2, it is characterised in that：It is described embedded
Chip by controlling first three-way magnetic valve simultaneously（3）No. two, No. three ports be in opening, at No.1 port
In closed state, second three-way magnetic valve（5）No.1, No. three ports be in opening, secondly number port be in close
Closed state, first peristaltic pump（7）In opening, second peristaltic pump（9）It is closed, the described 4th 3
Three-way electromagnetic valve（10）No.1 port be closed, connect cleaning solution inlet pipe.
6. the inner loop pipeline system of more test solution Programmable detections according to claim 2, it is characterised in that：It is described embedded
Chip by controlling second three-way magnetic valve simultaneously（5）No. two, No. three ports be in opening, at No.1 port
In closed state, first peristaltic pump（7）In opening, second peristaltic pump（9）It is closed, described
Four three-way magnetic valves（10）No.1 port be closed, the third three-way magnetic valve（6）No.1, at No. three ports
In opening, secondly a number port is closed, remaining cleaning fluid recovery pipe is connected.
7. the inner loop pipeline system of more test solution Programmable detections according to claim 2, it is characterised in that：It is described embedded
Chip by controlling the third three-way magnetic valve simultaneously（6）No. two, No. three ports be in opening, at No.1 port
In closed state, second peristaltic pump（9）In opening, the 4th three-way magnetic valve（10）No.1, No. three end
Mouth is in opening, secondly a number port is closed, connects waste liquid discharge line.
8. a kind of control method of the inner loop pipeline system of more test solution Programmable detections as described in claim 1, feature exist
In including the following steps：
Step 1）When needing to add test solution, its specific method of connection test solution inlet pipe is：
To wherein some test solution bottles（1）On two three-way electromagnetic valves（2）It opens, and by remaining test solution bottles（1）On described two
Three-way electromagnetic valve（2）Close All, by the first three-way magnetic valve（3）No.1, No. three port opens, will secondly number port shutdown
Second three-way magnetic valve（5）No.1, No. three port opens, secondly number port shutdown, by the first peristaltic pump（7）It opens, by the
Two peristaltic pumps（9）It closes, by the 4th three-way magnetic valve（10）No.1 port shutdown；
At this point, the test solution of required addition is in first peristaltic pump（7）Under the action of, from the corresponding test solution bottles（1）Middle quilt
It is sucked out, is passing through first three-way magnetic valve（3）No.1, No. three ports and second three-way magnetic valve（5）No.1,
Behind No. three ports, from positioned at detection cell（8）The liquid inlet on pool wall top flows into the detection cell（8）In；
Step 2）It is detected when to test solution, when needing to connect inner loop pipeline, specific method is：
By second three-way magnetic valve（5）No.1 port shutdown, secondly number, No. three port opens, described first is wriggled
Pump（7）It opens, by second peristaltic pump（9）It opens, by the 4th three-way magnetic valve（10）No.1, No. three ports open
It opens, secondly number port shutdown, by third three-way magnetic valve（6）No.1, No. three port opens, secondly number port shutdown；
At this point, positioned at the detection cell（8）In test solution in first peristaltic pump（7）With second peristaltic pump（9）Be total to
Under same-action, from the detection cell（8）The liquid outlet of bottom is sucked out, and is passing through the 4th three-way magnetic valve（10）No.1,
No. three ports, the third three-way magnetic valve（6）No. three, No.1 port and second three-way magnetic valve（5）Second,
Behind three ports, from positioned at the detection cell（8）The liquid inlet on pool wall top passes back into the detection cell（8）In；
Step 3）After test solution detects, waste liquid discharge line is connected, specific method is：
By the third three-way magnetic valve（6）No. two, No. three port opens, No.1 port shutdown wriggles described second
Pump（9）It opens, by the 4th three-way magnetic valve（10）No.1, No. three port opens, secondly number port shutdown；
At this point, positioned at the detection cell（8）In test solution waste liquid in second peristaltic pump（9）Under the action of, from the detection
Pond（8）The liquid outlet of bottom is sucked out, and is passing through the 4th three-way magnetic valve（10）No.1, No. three ports and the described 3rd 3
Three-way electromagnetic valve（6）No. three, flow into waste liquid bottle behind No. two ports（11）In, so as to fulfill the discharge of test solution waste liquid；
Step 4）When needing to clean the inner loop pipeline, cleaning solution inlet pipe is connected first, and specific method is：
By first three-way magnetic valve（3）No. two, No. three port opens, No.1 port shutdown, by second threeway
Solenoid valve（5）No.1, No. three port opens, secondly number port shutdown, by first peristaltic pump（7）It opens, by described the
Two peristaltic pumps（9）It closes, by the 4th three-way magnetic valve（10）No.1 port shutdown；
At this point, positioned at washer bottle（4）In cleaning solution in first peristaltic pump（7）Under the action of, from the washer bottle（4）Bottle
It is sucked out in mouthful, is passing through first three-way magnetic valve（3）No. two, No. three ports and second three-way magnetic valve（5）'s
Behind No.1, No. three ports, from positioned at the detection cell（8）The liquid inlet on pool wall top flows into the detection cell（8）In；
Step 5）When cleaning solution flows into the detection cell（8）Afterwards, the inner loop pipeline is then again switched on, specific method is：
By second three-way magnetic valve（5）No.1 port shutdown, secondly number, No. three port opens, described first is wriggled
Pump（7）It opens, by second peristaltic pump（9）It opens, by the 4th three-way magnetic valve（10）No.1, No. three ports open
It opens, secondly number port shutdown, by third three-way magnetic valve（6）No.1, No. three port opens, secondly number port shutdown；
At this point, positioned at the detection cell（8）In cleaning solution in first peristaltic pump（7）With second peristaltic pump（9）'s
Under collective effect, from the detection cell（8）The liquid outlet of bottom is sucked out, and is passing through the 4th three-way magnetic valve（10）One
Number, No. three ports, the third three-way magnetic valve（6）No. three, No.1 port and second three-way magnetic valve（5）
2nd, after third port, from positioned at the detection cell（8）The liquid inlet on pool wall top passes back into the detection cell（8）In；
Step 6）When after circulation terminates, being next turned on remaining cleaning fluid recovery pipe in cleaning solution, specific method is：
By second three-way magnetic valve（5）No. two, No. three port opens, No.1 port shutdown wriggles described first
Pump（7）It opens, by the second peristaltic pump（9）It closes, by the 4th three-way magnetic valve（10）No. two, No. three port opens,
No.1 port shutdown, by the third three-way magnetic valve（6）No.1, No. three port opens, secondly number port shutdown；
At this point, remain in second three-way magnetic valve（5）, the third three-way magnetic valve（6）With the 4th threeway electromagnetism
Valve（10）Between liquid line in remaining cleaning fluid, in first peristaltic pump（7）Under the action of, passing through the third threeway
Solenoid valve（6）No. three, No.1 port and second three-way magnetic valve（5）Second, third port after, from positioned at the inspection
Survey pond（8）The liquid inlet on pool wall top passes back into the detection cell（8）In；When recycling remaining cleaning fluid, the 4th threeway
Solenoid valve（10）Second port open and be connected with air so that remaining cleaning fluid can be by first peristaltic pump（7）It inhales
Enter to the detection cell（8）In, realize whole recycling of remaining cleaning fluid；
Step 7）After remaining cleaning fluid recycles completely, waste liquid discharge line is finally connected, specific method is：
By the third three-way magnetic valve（6）No. two, No. three port opens, No.1 port shutdown wriggles described second
Pump（9）It opens, by the 4th three-way magnetic valve（10）No.1, No. three port opens, secondly number port shutdown；
At this point, positioned at the detection cell（8）In cleaning solution waste liquid in second peristaltic pump（9）Under the action of, from the inspection
Survey pond（8）The liquid outlet of bottom is sucked out, and is passing through the 4th three-way magnetic valve（10）No.1, No. three ports and the third
Three-way magnetic valve（6）No. three, flow into waste liquid bottle behind No. two ports（11）In, so as to fulfill the cleaning of the inner loop pipeline.
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| Application Number | Priority Date | Filing Date | Title |
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| CN108241066B CN108241066B (en) | 2021-06-15 |
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