CN209280557U - A kind of liquid channel system of unit dosage - Google Patents
A kind of liquid channel system of unit dosage Download PDFInfo
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- CN209280557U CN209280557U CN201822094510.6U CN201822094510U CN209280557U CN 209280557 U CN209280557 U CN 209280557U CN 201822094510 U CN201822094510 U CN 201822094510U CN 209280557 U CN209280557 U CN 209280557U
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Abstract
The utility model discloses a kind of liquid channel systems of unit dosage, including power part, resolution colorimetric module, the first single-pass solenoid valve, the second single-pass solenoid valve, third single-pass solenoid valve, multiposition valve, liquid level detection device；The outlet of power part is respectively communicated with the Single port of the first single-pass solenoid valve and the Single port of third single-pass solenoid valve, the another port of first single-pass solenoid valve is connected with the Single port of liquid level detection device, the another port of third single-pass solenoid valve is connected with the Single port of resolution colorimetric module, the another port of resolution colorimetric module is connected with the Single port of the second single-pass solenoid valve, the another port of liquid level detection device and the another port of the second single-pass solenoid valve are connected with the Single port of quantitative loop respectively, and the another port of quantitative loop is connected with multiposition valve.It solves the problems, such as that used fluid path flow path exists at present, ensure that the quantitative decision amount of liquid level, while reducing equipment because liquid level is quantitatively led to the problem of.
Description
Technical field
The utility model relates to water quality monitoring technical field more particularly to a kind of liquid channel systems of unit dosage.
Background technique
Requirement of the market now to water quality online detection instrument is that detection data is accurate, data stability is good, equipment fault
It is low；And to guarantee that detection data is accurate and the good level gauge and liquid channel system that just must have of stability.
Currently, there are many monitoring water quality on line product in the market, there is following two with the most similar implementation of the present invention:
1) it carries out determining the quantitative liquid channel system of liquid level using photoelectric switching device, optoelectronic switch is placed on multiple-way valve and resolution
On the direct pipeline of cuvette, it to be used for quantitative liquid.The photosensitive gap of optoelectronic switch is very narrow, remaining for bubble and tube wall small
Liquid pearl can all judge by accident.
Using raw glass lightpipe optics to the liquid channel system for penetrating principle, liquid level metering device is an independent system, is first counted
Liquid has been measured again to throw liquid in resolution colorimetric device by the valve port of multiposition valve into；Glass tube one end is transmitting terminal, and one end is
Receiving terminal receives the power of end signal when glass pipe passes through liquid to judge liquid level.Due to using thick glass tube gas
The problem of bubble and small liquid pearl, is not present, but the usage amount of reagent and water for equipment just increases very much, causes secondary
The generation of pollutant.
Authorization Notice No. is the utility model patent of 203241404 U of CN, discloses a kind of the more of water quality online analyzer
Parameter chemical reagent automatic filling device is used for the scheme of quantitative liquid using the method for photoswitc, the disadvantage is that for bubble
It is big with the interference of droplet, while the quantitative part of equipment and resolution colorimetric component also increase not in same system to meter
The cleaning of buret and the complexity for taking liquid, drain.
Authorization Notice No. is the utility model patent of 206906250 U of CN, discloses a kind of COD Cr in-line analyzer,
Using the method for spectrophotometry, using the liquid channel system of island valve type, each mouthful of position reagent contamination is serious, need to be cleaned multiple times into
The island Yang Fa.Device action is complicated, and drain needs one pipe of a pipe by liquid removal.
Utility model content
In view of the above deficiencies, the utility model provides a kind of liquid channel system of unit dosage, passes through a liquid of multiposition valve
The quantitative mouth in position first measures liquid unit reagent, then takes what the mode that unit liquid is pumped into resolution colorimetric system guaranteed every time
The stability of liquid solves the unstable and misinterpretation of current water quality online detection instrument level gauge unit.
In order to achieve the above object, technical solution used by the utility model is as follows: a kind of fluid path system of unit dosage
System, including it is power part, resolution colorimetric module, the first single-pass solenoid valve, the second single-pass solenoid valve, third single-pass solenoid valve, more
Position valve, liquid level detection device；The outlet of power part is respectively communicated with the Single port and third single-pass electromagnetism of the first single-pass solenoid valve
The another port of the Single port of valve, the first single-pass solenoid valve is connected with the Single port of liquid level detection device, third single-pass electromagnetism
The another port of valve is connected with the Single port of resolution colorimetric module, clears up another port and the second single-pass electromagnetism of colorimetric module
The Single port of valve is connected, the another port of the another port of liquid level detection device and the second single-pass solenoid valve respectively with quantitative loop
Single port be connected, the another port of quantitative loop is connected with multiposition valve.
Further, distilled water reagent interface tube, several Reagent Tubes equipped with different reagents are provided on the multiposition valve
The spare reagent interface tube of interface, blank, standard liquid reagent interface tube, water sample reagent interface tube, waste liquid reagent interface tube and with it is outer
The air scoop of portion's air communication.
Further, the power part is peristaltic pump or syringe pump.
Further, the another port of the liquid level detection device, the another port of the second single-pass solenoid valve and quantitative
It is connected between the Single port of ring by the first three-way connection.
Further, the outlet of the power part, the Single port of the first single-pass solenoid valve and third single-pass solenoid valve
It is connected between Single port by the second three-way connection.
Further, at least 2 meters of the length of the pipeline connect on the waste liquid reagent interface tube.
The beneficial effects of the utility model are:
1) the quantitative principle of the utility model is using fixed length pipeline to liquid accurate quantitative analysis, not by liquid level detection device
Quality interference；
2) the utility model is because unit dosage detection device is an independent liquid channel system, not by installation site
And the influence of external pressure variation, to improve stability；
3) liquid level detection device of the utility model uses the function of removal droplet and bubble not by the interference of droplet, thus
Improve reliability.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of the liquid channel system of unit dosage of the utility model；
In figure: power part 1, resolution colorimetric module 2, the first single-pass solenoid valve 3, the second single-pass solenoid valve 4, third single-pass
Solenoid valve 5, multiposition valve 6, liquid level detection device 7, quantitative loop 8, the first three-way connection 9, the second three-way connection 10, distilled water reagent
Interface tube 11, equipped with the reagent interface tube 12 of different reagents, the spare reagent interface tube 13 of blank, standard liquid reagent interface tube 14, water
Sample reagent interface tube 15, waste liquid reagent interface tube 16, air scoop 17.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description and attached
When figure, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.In following exemplary embodiment
Described embodiment does not represent all embodiments consistent with the utility model.On the contrary, they be only with such as
It is described in detail in attached middle school, institute claims, the example of the consistent device of some aspects of the utility model.This specification
Various embodiments are described in a progressive manner.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and cannot understand
For its relative importance of indication or suggestion or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.
Elaborate the utility model with reference to the accompanying drawing.
The liquid level of the utility model quantifies flow circuit diagram and mainly solves the problems, such as that used fluid path flow path exists at present, protects
The quantitative decision amount of liquid level has been demonstrate,proved, while having reduced equipment because liquid level is quantitatively led to the problem of.
Referring to Fig. 1, the utility model provides a kind of liquid channel system of unit dosage, including power part 1, resolution colorimetric mould
Block 2, the second single-pass solenoid valve 4, third single-pass solenoid valve 5, multiposition valve 6, liquid level detection device 7, is determined first single-pass solenoid valve 3
Measure ring 8；The outlet of power part 1 is respectively communicated with the Single port of the first single-pass solenoid valve 3 and one end of third single-pass solenoid valve 5
Mouthful, the another port of the first single-pass solenoid valve 3 is connected with the Single port of liquid level detection device 7, third single-pass solenoid valve 5 it is another
Single port is connected with the Single port of resolution colorimetric module 2, clears up another port and the second single-pass solenoid valve 4 of colorimetric module 2
Single port be connected, the another port of the another port of liquid level detection device 7 and the second single-pass solenoid valve 4 respectively with quantitative loop
8 Single port is connected, and the another port of quantitative loop 8 is connected with multiposition valve 6.
Be provided on the multiposition valve 6 distilled water reagent interface tube 11, several reagent interface tubes 12 equipped with different reagents,
The spare reagent interface tube 13 of blank, standard liquid reagent interface tube 14, water sample reagent interface tube 15, waste liquid reagent interface tube 16 and with
The air scoop 17 of outside air connection.
The liquid channel system of the unit dosage of the utility model makes power part 1, resolution colorimetric module 2, the first single-pass electromagnetism
Valve 3, the second single-pass solenoid valve 4, third single-pass solenoid valve 5, liquid level detection device 7, quantitative loop 8 can become a circuit system
System.Equipment takes liquid and drain that can complete with one-off, has saved the runing time of equipment, while take liquid when is automatically clear
Quantitative loop 8 is washed.
The power part 1 is peristaltic pump or syringe pump.
The resolution colorimetric module 2 is measured using spectrophotometry, including glass cuvette, heater strip, lens and lens
Bracket, heater strip some are wrapped in the bottom of glass cuvette, and lens are mounted in lens carrier, then lens carrier is horizontal
The medium height position for being mounted on glass cuvette.
The liquid level detection device 7 includes glass tube, inductor and signal processing circuit, and inductor is sleeved on glass tube
Surface is used for induced liquid, and inductor passes to the signal sensed to be filtered and enhanced processing in signal processing circuit.
The another port of the liquid level detection device 7, the another port of the second single-pass solenoid valve 4 and quantitative loop 8 one
It is connected between port by the first three-way connection 9.
The outlet of the power part 1, the Single port of the first single-pass solenoid valve 3 and third single-pass solenoid valve 5 Single port
Between by the second three-way connection 10 be connected.
A kind of liquid channel system of above-mentioned unit dosage takes liquid, drain and dilution operation as follows:
(1) take liquid: multiposition valve 6 goes to corresponding mouth position, opens the first single-pass solenoid valve 3, and peristaltic pump rotates forward, and liquid passes through
Multiposition valve 6, quantitative loop 8 reach liquid level detection device 7, when liquid level detection device 7 senses liquid or reaches setting time,
The first single-pass solenoid valve 3 is closed, multiposition valve 6 goes to air scoop, opens the second single-pass solenoid valve 4 and third single-pass solenoid valve 5, will
The liquid of 8 the inside of quantitative loop is extracted into resolution colorimetric module 2, closing third single-pass solenoid valve 5 and the second list after the drawing liquid time arrives
Three-way electromagnetic valve 4, open the first single-pass solenoid valve 3 with regard in liquid level detection device 7 surplus liquid be discharged, later close peristaltic pump and
First single-pass solenoid valve 3 is completed once to take liquid；
(2) drain: multiposition valve 6 goes to waste liquid interface, and the second single-pass solenoid valve 4 and third single-pass are opened in peristaltic pump reversion
Waste liquid interface is discharged in solenoid valve 5, liquid；
(3) dilute: multiposition valve 6 goes to waste liquid interface, and the second single-pass solenoid valve 4 and third single-pass are opened in peristaltic pump reversion
Solenoid valve 5, liquid are flowed to according to setting time in the pipeline of waste liquid interface, and time is up takes a pipe liquid according still further to step (1).
At least 2 meters of the length of the pipeline connect on the waste liquid interface.
Claims (6)
1. a kind of liquid channel system of unit dosage, which is characterized in that including power part, resolution colorimetric module, the first single-pass electricity
Magnet valve, the second single-pass solenoid valve, third single-pass solenoid valve, multiposition valve, liquid level detection device；The outlet of power part is respectively communicated with
The Single port of first single-pass solenoid valve and the Single port of third single-pass solenoid valve, the another port of the first single-pass solenoid valve and liquid level
The Single port of detection device is connected, and the another port of third single-pass solenoid valve is connected with the Single port of resolution colorimetric module,
Resolution colorimetric module another port be connected with the Single port of the second single-pass solenoid valve, the another port of liquid level detection device with
The another port of second single-pass solenoid valve is connected with the Single port of quantitative loop respectively, another port and the multiposition valve phase of quantitative loop
Connection.
2. a kind of liquid channel system of unit dosage according to claim 1, which is characterized in that be provided on the multiposition valve
Distilled water reagent interface tube, several reagent interface tubes equipped with different reagents, the spare reagent interface tube of blank, standard liquid Reagent Tube connect
Mouth, water sample reagent interface tube, waste liquid reagent interface tube and the air scoop being connected to outside air.
3. a kind of liquid channel system of unit dosage according to claim 1, which is characterized in that the power part is to wriggle
Pump or syringe pump.
4. a kind of liquid channel system of unit dosage according to claim 1, which is characterized in that the liquid level detection device
It is connected between the Single port of another port, the another port of the second single-pass solenoid valve and quantitative loop by the first three-way connection.
5. a kind of liquid channel system of unit dosage according to claim 1, which is characterized in that the power part goes out
It is connected between mouth, the Single port of the first single-pass solenoid valve and the Single port of third single-pass solenoid valve by the second three-way connection.
6. a kind of liquid channel system of unit dosage according to claim 2, which is characterized in that the waste liquid reagent interface tube
On connect at least 2 meters of length of pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822094510.6U CN209280557U (en) | 2018-12-13 | 2018-12-13 | A kind of liquid channel system of unit dosage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822094510.6U CN209280557U (en) | 2018-12-13 | 2018-12-13 | A kind of liquid channel system of unit dosage |
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| Publication Number | Publication Date |
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| CN209280557U true CN209280557U (en) | 2019-08-20 |
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| CN201822094510.6U Active CN209280557U (en) | 2018-12-13 | 2018-12-13 | A kind of liquid channel system of unit dosage |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406431A (en) * | 2018-12-13 | 2019-03-01 | 凯铭科技(杭州)有限公司 | A kind of liquid channel system and its control method of unit dosage |
| CN110596306A (en) * | 2019-10-17 | 2019-12-20 | 苏州卫水环保科技有限公司 | Water quality detection pipeline system and water quality detection method |
-
2018
- 2018-12-13 CN CN201822094510.6U patent/CN209280557U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406431A (en) * | 2018-12-13 | 2019-03-01 | 凯铭科技(杭州)有限公司 | A kind of liquid channel system and its control method of unit dosage |
| CN110596306A (en) * | 2019-10-17 | 2019-12-20 | 苏州卫水环保科技有限公司 | Water quality detection pipeline system and water quality detection method |
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