CN208076510U - Flow path and water quality on-line monitoring instrument - Google Patents
Flow path and water quality on-line monitoring instrument Download PDFInfo
- Publication number
- CN208076510U CN208076510U CN201820621597.5U CN201820621597U CN208076510U CN 208076510 U CN208076510 U CN 208076510U CN 201820621597 U CN201820621597 U CN 201820621597U CN 208076510 U CN208076510 U CN 208076510U
- Authority
- CN
- China
- Prior art keywords
- magnetic valve
- way magnetic
- valve
- way
- port
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Automatic Analysis And Handling Materials Therefor (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
This application discloses a kind of flow path and water quality on-line monitoring instruments, are related to environmental protection equipment.Flow path for measuring sample and each reagent and being transmitted to resolution component successively by metering sequence in batches, including passing through piping connection between second and third three-way magnetic valve, peristaltic pump, optoelectronic switch and N port valves and they, each three-way magnetic valve all has corresponding common port, normally open and normally closed port, and N port valves have N number of channel of public passage and corresponding sample and each reagent.Peristaltic pump is connected to resolution component through second and third three-way magnetic valve.Optoelectronic switch is set on pipeline between peristaltic pump and the second three-way magnetic valve.Pipeline between second and third three-way magnetic valve is the quantitative loop for metering.It is more muddy or water quality is coloured in water quality so that the metering method of the application does not require water quality, be all not in metering erroneous judgement, thus accurate measurement, and then ensure the accuracy of the monitor value of water quality on-line monitoring instrument.
Description
Technical field
This application involves environmental protection equipments, more particularly to a kind of flow path and water quality on-line monitoring instrument.
Background technology
Water quality monitor is one of the monitoring of industrial automation environment of times and the special instrument of management.It can meet variously
Table water, underground water, industry and sanitary sewage, cultivation and the measurement of recycled water need, and can be widely used in environmental protection, scientific research
The fields such as monitoring, production control.Existing water quality monitor is divided by use environment：Portable monitor, laboratory are intelligent
Monitor, simple economy type monitor, on-line computing model etc..
It is illustrated by taking water quality on-line monitoring instrument as an example：Existing water quality on-line monitoring instrument includes clearing up component and flow path,
Fluid communication clears up component.Flow path for measuring sample and each reagent and being transmitted to resolution group successively by metering sequence in batches
In part.Resolution component for sample and plurality of reagents for chemically reacting, to obtain the absorbance of sample.Flow path includes mostly logical
Valve, optoelectronic metering installation and pump, pump connection optoelectronic metering installation, multiple-way valve are connected to optoelectronic metering installation and resolution component.Wherein,
Metering device includes gauge line and multigroup light metering unit.Multigroup light metering unit is axial sequentially set on gauge line along gauge line
On side wall, each light metering unit includes being symmetricly set on optical transmitting set and optical receiver in gauge line, every group of light metering unit
For detecting the liquid level of sample or reagent in gauge line.Gauge line is the glass tube of light transmission.
Water quality on-line monitoring instrument in the prior art is measured using photoelectric metering mode, such photoelectric metering mode
Requirement to water quality is relatively high, more muddy or water quality is coloured in water quality, metering erroneous judgement easily occurs, causes to count
Amount is inaccurate, the final accuracy for influencing monitor value.
Utility model content
The application's aims to overcome that the above problem or solves or extenuate to solve the above problems at least partly.
According to the one side of the application, a kind of flow path is provided, is used for water quality on-line monitoring instrument, water quality on-line monitoring instrument
Including clearing up component, the flow path is used in batches measure sample and each reagent and is transmitted to described disappear successively by metering sequence
Solve component, the flow path include second and third three-way magnetic valve, peristaltic pump, optoelectronic switch and N port valves and they between pass through
Piping connection, wherein each three-way magnetic valve all has corresponding common port, normally open and normally closed port, and the N port valves have
N number of channel of public passage and corresponding sample and each reagent；
The peristaltic pump, the common port of second three-way magnetic valve and normally closed port are connected to the third three-way magnetic valve
Normally closed port, the normally open of the third three-way magnetic valve is for being connected to the resolution component, the peristaltic pump and described the
The optoelectronic switch is set on the pipeline between the normally closed port of two three-way magnetic valves, wherein second three-way magnetic valve it is normal
The silent pipeline between the normally closed port of the third three-way magnetic valve is quantitative loop, and the quantitative loop is for measuring；
The common port of the third three-way magnetic valve connects the public passage of the N port valves；
The normally open of second three-way magnetic valve connects waste liquid.
Optionally, the public passage of the N port valves is connected to fluid passage to be batched, second three-way magnetic valve and institute
State the energization of third three-way magnetic valve, second three-way magnetic valve and the corresponding common port of the third three-way magnetic valve and normally closed
Mouth is opened, and the peristaltic pump rotates counterclockwise, and the liquid to be batched is through the N port valves, second three-way magnetic valve and institute
Third three-way magnetic valve to be stated to be elevated up, at the lifting liquid to be batched to the optoelectronic switch, the optoelectronic switch is bright,
The peristaltic pump is stopped.
Optionally, second three-way magnetic valve and third three-way magnetic valve power-off, second three-way magnetic valve
And the third three-way magnetic valve corresponds to normally closed port closing, the common port and normally open of second three-way magnetic valve are opened, institute
It states peristaltic pump to rotate clockwise, the emptying rate of liquid to be batched at the optoelectronic switch to second three-way magnetic valve, so that institute
State quantitative loop accurate measurement.
Optionally, the flow path further includes the first three-way magnetic valve, and first three-way magnetic valve has corresponding public affairs
The common port of mouth, normally open and normally closed port altogether, first three-way magnetic valve connects the peristaltic pump, the first threeway electromagnetism
The normally closed port connection cleaning waste liquid of valve, the normally open of first three-way magnetic valve connect waste liquid.
Optionally, the public passage of the N port valves is connected to fluid passage to be batched, second three-way magnetic valve and institute
State the energization of third three-way magnetic valve, second three-way magnetic valve and the corresponding common port of the third three-way magnetic valve and normally closed
Mouth is opened, and the peristaltic pump rotates counterclockwise, and the liquid to be batched is through the N port valves, second three-way magnetic valve and institute
Third three-way magnetic valve to be stated to be elevated up, at the lifting liquid to be batched to the optoelectronic switch, the optoelectronic switch is bright,
The peristaltic pump is stopped.
Optionally, first three-way magnetic valve, second three-way magnetic valve and third three-way magnetic valve power-off,
First three-way magnetic valve, second three-way magnetic valve and the corresponding normally closed port of the third three-way magnetic valve are closed, institute
The common port and normally open for stating the first three-way magnetic valve are opened, and the peristaltic pump rotates counterclockwise, and the optoelectronic switch is to described
Emptying rate of liquid to be batched at second three-way magnetic valve, so that the quantitative loop accurate measurement.
Optionally, the common port of the third three-way magnetic valve is closed, and the peristaltic pump rotates clockwise, the quantitative loop
In reagent drain into the resolution component.
According to further aspect of the application, a kind of water quality on-line monitoring instrument, including the flow path are provided, further includes
Component is cleared up, the resolution component is described to obtain the absorbance of sample for being chemically reacted for sample and plurality of reagents
It includes first and second two-way valve and digestion device to clear up component, first and second described two-way valve is arranged in the two of the digestion device
End, first and second described two-way valve have corresponding inlet and outlet, the digestion device have inlet and outlet, described second
The import of two-way valve connects the import of the digestion device, and the import of first two-way valve connects the outlet of the digestion device, institute
The outlet connection cleaning waste liquid of the first two-way valve is stated, the normally open of the third three-way magnetic valve connects second two-way valve
Outlet.
According to further aspect of the application, a kind of water quality on-line monitoring instrument, including the flow path are provided, further includes
Component is cleared up, the resolution component is described to obtain the absorbance of sample for being chemically reacted for sample and plurality of reagents
It includes digestion device to clear up component, and there is the digestion device inlet and outlet, the normally open of the third three-way magnetic valve to connect institute
State the import of digestion device, the outlet connection cleaning waste liquid of the digestion device.
According to further aspect of the application, a kind of water quality on-line monitoring instrument, including the flow path are provided, further includes
Component is cleared up, the resolution component is described to obtain the absorbance of sample for being chemically reacted for sample and plurality of reagents
Clear up component include the first two-way valve and digestion device, the digestion device have inlet and outlet, first two-way valve have into
The import of mouth and outlet, first two-way valve connects the outlet of the digestion device, and the outlet connection of first two-way valve is clear
Waste liquid is washed, the normally open of the third three-way magnetic valve connects the import of the digestion device.
The flow path and water quality on-line monitoring instrument of the application, due to by the normally closed port of second three-way magnetic valve and described the
Pipeline between the normally closed port of three three-way magnetic valves is measured, that is, pass through pipe as quantitative loop by the quantitative loop
Volume measured, the volume of pipe is a stable numerical value, it can almost be ignored by external influence, therefore this Shen
Metering method please does not require water quality, more muddy or water quality is coloured in water quality, is all not in meter
Amount erroneous judgement, thus accurate measurement, and then ensure the accuracy of the monitor value of water quality on-line monitoring instrument.
According to the accompanying drawings to the detailed description of the specific embodiment of the application, those skilled in the art will be more
Above-mentioned and other purposes, the advantages and features of the application are illustrated.
Description of the drawings
Some specific embodiments of the application are described in detail by way of example rather than limitation with reference to the accompanying drawings hereinafter.
Identical reference numeral denotes same or similar component or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing：
Fig. 1 is the schematic installation diagram according to the flow path and resolution component of the application one embodiment.
Each symbolic indication meaning is as follows in figure：
1 waste liquid, 2 standard specimens one, 3 standard specimens two, 4 standard specimens three, 5 actual water samples, 6 performance water samples, 7 dilutions, 8 digestion solutions, 9 examinations
Agent A, A reagent B,
I flow paths,
The first three-way magnetic valves of V1, the common port of 11 first three-way magnetic valves, the normally open of 12 first three-way magnetic valves, 13
The normally closed port of first three-way magnetic valve,
The second three-way magnetic valves of V2, the common port of 14 second three-way magnetic valves, the normally open of 15 second three-way magnetic valves, 16
The normally closed port of second three-way magnetic valve,
V3 third three-way magnetic valves, the common port of 17 third three-way magnetic valves, the normally open of 18 third three-way magnetic valves, 19
The normally closed port of third three-way magnetic valve,
P1 peristaltic pumps,
20 optoelectronic switches,
21N port valves,
22 quantitative loops,
II clears up component,
The first two-way valves of H1, the import of 23 first two-way valves, the outlet of 24 first two-way valves,
The second two-way valves of H2, the import of 25 second two-way valves, the outlet of 26 second two-way valves,
27 digestion devices, the import of 28 digestion devices, the outlet of 29 digestion devices.
Specific implementation mode
Fig. 1 is the schematic installation diagram according to the flow path and resolution component of the application one embodiment.A kind of flow path, is used for
Water quality on-line monitoring instrument, water quality on-line monitoring instrument include resolution component, the flow path by by sample and each reagent in batches based on
It measures and is transmitted to the resolution component successively by metering sequence.The flow path I generality may include the second three-way magnetic valve V2 and
Third three-way magnetic valve V3, peristaltic pump P1, optoelectronic switch 20 and N port valves 21 pass through piping connection between them.Wherein, each
A three-way magnetic valve all has corresponding common port, normally open and normally closed port.Second three-way magnetic valve V2 has the two or three to be powered
The common port 14 of magnet valve, the normally open 15 of the second three-way magnetic valve, the normally closed port 16 of the second three-way magnetic valve.Third threeway electromagnetism
Valve V3 have the common port 17 of third three-way magnetic valve, the normally open 18 of third three-way magnetic valve, third three-way magnetic valve it is normal
Silent 19.The N port valves 21 have N number of channel of public passage and corresponding sample and each reagent.The peristaltic pump P1, described
The common port 14 and normally closed port of two three-way magnetic valves are connected to the normally closed port 19 of the third three-way magnetic valve, the third threeway
For the normally open 18 of solenoid valve for being connected to the resolution component II, the peristaltic pump P1 is normal with second three-way magnetic valve
The optoelectronic switch 20 is set on the pipeline between silent 16, wherein the normally closed port 16 of second three-way magnetic valve with it is described
Pipeline between the normally closed port 19 of third three-way magnetic valve is quantitative loop 23, and the quantitative loop 23 is for measuring.Described 3rd 3
The common port 17 of three-way electromagnetic valve connects the public passage of the N port valves 21.The normally open 15 of second three-way magnetic valve connects
Waste liquid.
The flow path I of the application, due to by the normally closed port 16 of second three-way magnetic valve and the third three-way magnetic valve
Normally closed port 19 between pipeline as quantitative loop 23, measured by the quantitative loop 23, that is, the volume for passing through pipe
It is measured, the volume of pipe is a stable numerical value, it can almost be ignored by external influence, therefore the meter of the application
Amount mode does not require water quality, coloured in water turbidity or water quality, is all not in metering erroneous judgement, thus
Accurate measurement, and then ensure the accuracy of the monitor value of water quality on-line monitoring instrument.
In addition, inventor has found to need to switch a N port valve when metering of reagent in the prior art, the liquid after metering needs
It to be delivered to resolution component by N port valves, needs the position of N port valves being switched to digestion solution channel, N port valve quilts by reagent passage
Switch again.And the application need to only switch a N port valve 21 in the metering of reagent, the liquid after metering passes through third threeway
Solenoid valve V3 is fed directly to resolution component II, reduces the access times of N port valves 21, and the switching times of N port valves 21 is made to reduce N
Times or so, so the service life of N port valves 21 can be considerably increased, improve the stability of water quality on-line monitoring instrument.Due to N port valves
21 price is far above the price of three-way magnetic valve, therefore the application can reduce the cost of water quality on-line monitoring instrument.
When it is implemented, N port valves 21 can be the eight ways valve with eight channels, ten-way valve or tool with ten channels
Ten two-port valves for having 12 channels can also be the N port valves 21 in other quantity channel according to actual needs.In the present embodiment, N
Port valve 21 is ten-way valve, and there are one public passages for tool, also has one to nine logical and A channel.One channel is connected to waste liquid 1, two channels
It is connected to standard specimen 1, triple channel is connected to standard specimen 22, and four-way is connected to standard specimen 34, and Five-channel is connected to actual water sample 5, and six channels connect
General character energy water sample 6, seven channels are connected to dilution 7, and liquid 8 is cleared up in the connection of eight channels, and nine channels are connected to reagent A 9, A channel connection examination
Agent BA.In other embodiments, if there are three reagent, standard specimen three can be replaced with to reagent C, four-way is connected to reagent
C。
In the present embodiment, metering liquid process includes lifting liquid process and discharge opeing process to be batched.
The public passage of lifting liquid process to be batched, the N port valves 21 is connected to fluid passage to be batched, such as is measured
The public passage of reagent A, the N port valves 21 is connect with nine channels, and the second three-way magnetic valve V2 and the described 3rd 3 is powered
Magnet valve V3 is powered, the second three-way magnetic valve V2 and the corresponding common ports 11,14 of the third three-way magnetic valve V3 and normally closed
Mouth 13,16 is opened, and the peristaltic pump P1 is rotated counterclockwise, and the liquid to be batched is powered through the N port valves 21, the described 2nd 3
Magnet valve V2 and the third three-way magnetic valve V3 are elevated up, at the lifting liquid to be batched to the optoelectronic switch 20,
The optoelectronic switch 20 is bright, and the peristaltic pump P1 is stopped, and has filled liquid to be batched in quantitative loop 23 at this time.
Discharge opeing process, the second three-way magnetic valve V2 and third three-way magnetic valve V3 power-off, second threeway
The solenoid valve V2 and third three-way magnetic valve V3 corresponds to the closing of normally closed port 13,16, the common port of second three-way magnetic valve
14 and normally open 15 open, the peristaltic pump P1 rotates clockwise, the optoelectronic switch 20 to the second three-way magnetic valve V2
The emptying rate of liquid to be batched at place ensures that the quantitative loop 23 between the second three-way magnetic valve V2 and third threeway electromagnetism V3 is always full
, so that 23 accurate measurement of the quantitative loop.
It should be noted that the length of the quantitative loop 23 of the application can be formulated according to substance to be monitored, for example, monitoringization
When learning oxygen demand COD, the length of quantitative loop 23 is 30mm.When monitoring ammonia nitrogen, the length of quantitative loop 23 is 20mm.It is total to monitor total phosphorus
When nitrogen, the length of quantitative loop 23 is 30mm.
In the present embodiment, the flow path I further includes the first three-way magnetic valve V1, and the first three-way magnetic valve V1 has
The normally closed port 13 of the common port 11 of first three-way magnetic valve, the normally open 12 of the first three-way magnetic valve and the first three-way magnetic valve,
The common port 11 of first three-way magnetic valve connects the peristaltic pump P1, and the normally closed port 13 of first three-way magnetic valve connects
Waste liquid is cleaned, the normally open 12 of first three-way magnetic valve connects waste liquid.Pass through above-described embodiment so that waste liquid is useless with cleaning
Liquid detaches, so reduce the cost to dispose waste liquid.
The lifting liquid process to be batched of the metering liquid process of the present embodiment is same as the previously described embodiments, for this portion
Point, this embodiment is not repeated.
The meters reagents process of the present embodiment and discharge opeing process can be same as the previously described embodiments.It can also use following
Mode, discharge opeing process, the first three-way magnetic valve V1, the second three-way magnetic valve V2 and the third three-way magnetic valve V3
Power-off, the first three-way magnetic valve V1, the second three-way magnetic valve V2 and the third three-way magnetic valve V3 correspond to normally closed
Mouth 13,16,19 is closed, and the common port 11 and normally open 12 of first three-way magnetic valve are opened, and the peristaltic pump P1 is counterclockwise
It rotates, the emptying rate of liquid to be batched at the optoelectronic switch 20 to the second three-way magnetic valve V2, so that the quantitative loop 23
Accurate measurement.
The common port 17 of metering liquid transmission process, the third three-way magnetic valve is closed, the peristaltic pump P1 up times
Needle rotates, and the reagent in the quantitative loop 23 drains into the resolution component II.
Referring to Fig. 1, in the present embodiment, present invention also provides a kind of water quality on-line monitoring instruments, may include institute in general manner
The flow path I stated further includes resolution component II, cabinet and control system.Control system is electrically connected with the various valves in the flow path I
It connects, to control its action, control system is also electrically connected with resolution component II, converts absorbance to monitor value.Wherein, machine
Case, control system are the prior art, and the present embodiment repeats no more its structure.Component II is cleared up to be used for for sample and plurality of reagents
It chemically reacts, to obtain the absorbance of sample.The resolution component II include the first two-way valve H1, the second two-way valve H2 and
Digestion device 27, the first two-way valve H1 are arranged in the both ends of the digestion device 27 to the second two-way valve H2, and described first liang logical
There is valve H1 to the second two-way valve H2 corresponding import 23,25 and outlet 24,26, the digestion device 27 to have import 28 and outlet
29, the import 25 of second two-way valve connects the import 28 of the digestion device, and the import 23 of first two-way valve connects institute
State the outlet 29 of digestion device, the connection of the outlet 24 cleaning waste liquid of first two-way valve, the third three-way magnetic valve it is normally opened
The outlet 26 of 18 connection second two-way valves of mouth.The water quality on-line monitoring instrument of the present embodiment is suitable for monitoring COD
COM。
The water quality on-line monitoring instrument of the application includes above-mentioned flow path I, therefore also includes the effect that it has.Due to will be described
Pipeline between the normally closed port 16 of second three-way magnetic valve and the normally closed port 19 of the third three-way magnetic valve as quantitative loop 23,
It is measured by the quantitative loop 23, is measured especially by the volume of pipe, therefore the application does not require water quality,
Water quality is messy or water quality it is coloured in the case of, be not in metering erroneous judgement, thus accurate measurement, and then ensure that water quality exists
The accuracy of the monitor value of line monitor.
Referring to Fig. 1, a kind of water quality on-line monitoring instrument in the present embodiment, with the water quality on-line monitoring instrument in above-described embodiment
Difference lies in the structure of resolution component II is different, remaining place is identical, and something in common, this embodiment is not repeated.This implementation
Resolution component II in example includes digestion device 27, and the digestion device 27 has import 28 and outlet 29, the third threeway electromagnetism
The normally open 18 of valve connects the import 28 of the digestion device, the connection of the outlet 29 cleaning waste liquid of the digestion device.The present embodiment
Water quality on-line monitoring instrument is suitable for monitoring ammonia nitrogen value.
Referring to Fig. 1, a kind of water quality on-line monitoring instrument in the present embodiment, with the water quality on-line monitoring instrument in above-described embodiment
Difference lies in the structure of resolution component II is different, remaining place is identical, and something in common, this embodiment is not repeated.This implementation
Resolution component II in example includes the first two-way valve H1 and digestion device 27, and the digestion device 27 has import 28 and outlet 29, institute
The first two-way valve H1 is stated with import 23 and outlet 24, the import 23 of first two-way valve connects the outlet of the digestion device
29, the connection of the outlet 24 cleaning waste liquid of first two-way valve, the normally open 18 of the third three-way magnetic valve connects described disappear
Solve the import 28 of device.The water quality on-line monitoring instrument of the present embodiment is suitable for monitoring total phosphorus and total nitrogen value.
The preferable specific implementation mode of the above, only the application, but the protection domain of the application is not limited thereto,
Any one skilled in the art is in the technical scope that the application discloses, the change or replacement that can be readily occurred in,
It should all cover within the protection domain of the application.Therefore, the protection domain of the application should be with scope of the claims
Subject to.
Claims (10)
1. a kind of flow path, which is characterized in that be used for water quality on-line monitoring instrument, water quality on-line monitoring instrument includes resolution component, described
Flow path for measuring sample and each reagent and being transmitted to the resolution component, the flow path packet successively by metering sequence in batches
Include second and third three-way magnetic valve, peristaltic pump, optoelectronic switch and N port valves and they between pass through piping connection, wherein it is each
A three-way magnetic valve all has corresponding common port, normally open and normally closed port, and the N port valves have public passage and corresponding sample
And N number of channel of each reagent；
The peristaltic pump, the common port of second three-way magnetic valve and normally closed port are connected to the normal of the third three-way magnetic valve
Silent, the normally open of the third three-way magnetic valve is for being connected to the resolution component, the peristaltic pump and the described 2nd 3
The optoelectronic switch is set on the pipeline between the normally closed port of three-way electromagnetic valve, wherein the normally closed port of second three-way magnetic valve
Pipeline between the normally closed port of the third three-way magnetic valve is quantitative loop, and the quantitative loop is for measuring；
The common port of the third three-way magnetic valve connects the public passage of the N port valves；
The normally open of second three-way magnetic valve connects waste liquid.
2. flow path according to claim 1, which is characterized in that the public passage of the N port valves and fluid passage to be batched
Connection, second three-way magnetic valve and the third three-way magnetic valve are powered, second three-way magnetic valve and the third
The corresponding common port of three-way magnetic valve and normally closed port are opened, and the peristaltic pump rotates counterclockwise, and the liquid to be batched is through the N
Port valve, second three-way magnetic valve and the third three-way magnetic valve are elevated up, the lifting liquid to be batched to institute
It states at optoelectronic switch, the optoelectronic switch is bright, and the peristaltic pump is stopped.
3. flow path according to claim 2, which is characterized in that second three-way magnetic valve and the third threeway electromagnetism
Valve powers off, and second three-way magnetic valve and the third three-way magnetic valve correspond to normally closed port closing, the second threeway electromagnetism
The common port and normally open of valve are opened, and the peristaltic pump rotates clockwise, the optoelectronic switch to second three-way magnetic valve
The emptying rate of liquid to be batched at place, so that the quantitative loop accurate measurement.
4. flow path according to claim 1, which is characterized in that further include the first three-way magnetic valve, the described 1st is powered
There is magnet valve corresponding common port, normally open and normally closed port, the common port of first three-way magnetic valve to connect the peristaltic pump,
The normally closed port connection cleaning waste liquid of first three-way magnetic valve, the normally open of first three-way magnetic valve connect waste liquid.
5. flow path according to claim 4, which is characterized in that the public passage of the N port valves and fluid passage to be batched
Connection, second three-way magnetic valve and the third three-way magnetic valve are powered, second three-way magnetic valve and the third
The corresponding common port of three-way magnetic valve and normally closed port are opened, and the peristaltic pump rotates counterclockwise, and the liquid to be batched is through the N
Port valve, second three-way magnetic valve and the third three-way magnetic valve are elevated up, the lifting liquid to be batched to institute
It states at optoelectronic switch, the optoelectronic switch is bright, and the peristaltic pump is stopped.
6. flow path according to claim 4, which is characterized in that first three-way magnetic valve, the second threeway electromagnetism
Valve and third three-way magnetic valve power-off, first three-way magnetic valve, second three-way magnetic valve and the described 3rd 3
The corresponding normally closed port of three-way electromagnetic valve is closed, and the common port and normally open of first three-way magnetic valve are opened, and the peristaltic pump is inverse
Hour hands rotate, the emptying rate of liquid to be batched at the optoelectronic switch to second three-way magnetic valve, so that the quantitative loop is smart
Really metering.
7. the flow path according to claim 3 or 6, which is characterized in that the common port of the third three-way magnetic valve is closed, institute
It states peristaltic pump to rotate clockwise, the reagent in the quantitative loop drains into the resolution component.
8. a kind of water quality on-line monitoring instrument, which is characterized in that including the flow path described in any one of claim 1-7, further include
Component is cleared up, the resolution component is described to obtain the absorbance of sample for being chemically reacted for sample and plurality of reagents
It includes first and second two-way valve and digestion device to clear up component, first and second described two-way valve is arranged in the two of the digestion device
End, first and second described two-way valve have corresponding inlet and outlet, the digestion device have inlet and outlet, described second
The import of two-way valve connects the import of the digestion device, and the import of first two-way valve connects the outlet of the digestion device, institute
The outlet connection cleaning waste liquid of the first two-way valve is stated, the normally open of the third three-way magnetic valve connects second two-way valve
Outlet.
9. a kind of water quality on-line monitoring instrument, which is characterized in that including the flow path described in any one of claim 1-7, further include
Component is cleared up, the resolution component is described to obtain the absorbance of sample for being chemically reacted for sample and plurality of reagents
It includes digestion device to clear up component, and there is the digestion device inlet and outlet, the normally open of the third three-way magnetic valve to connect institute
State the import of digestion device, the outlet connection cleaning waste liquid of the digestion device.
10. a kind of water quality on-line monitoring instrument, which is characterized in that including the flow path described in any one of claim 1-7, further include
Component is cleared up, the resolution component is described to obtain the absorbance of sample for being chemically reacted for sample and plurality of reagents
Clear up component include the first two-way valve and digestion device, the digestion device have inlet and outlet, first two-way valve have into
The import of mouth and outlet, first two-way valve connects the outlet of the digestion device, and the outlet connection of first two-way valve is clear
Waste liquid is washed, the normally open of the third three-way magnetic valve connects the import of the digestion device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820621597.5U CN208076510U (en) | 2018-04-27 | 2018-04-27 | Flow path and water quality on-line monitoring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820621597.5U CN208076510U (en) | 2018-04-27 | 2018-04-27 | Flow path and water quality on-line monitoring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208076510U true CN208076510U (en) | 2018-11-09 |
Family
ID=64044950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820621597.5U Active CN208076510U (en) | 2018-04-27 | 2018-04-27 | Flow path and water quality on-line monitoring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208076510U (en) |
Cited By (3)
| 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 |
| CN109856352A (en) * | 2018-12-25 | 2019-06-07 | 河北华厚天成环保技术有限公司 | A kind of water analysis outfit |
| CN111174098A (en) * | 2019-12-19 | 2020-05-19 | 江苏国技仪器有限公司 | Flow path system of water quality analyzer and accurate quantification method |
-
2018
- 2018-04-27 CN CN201820621597.5U patent/CN208076510U/en active Active
Cited By (3)
| 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 |
| CN109856352A (en) * | 2018-12-25 | 2019-06-07 | 河北华厚天成环保技术有限公司 | A kind of water analysis outfit |
| CN111174098A (en) * | 2019-12-19 | 2020-05-19 | 江苏国技仪器有限公司 | Flow path system of water quality analyzer and accurate quantification method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208076510U (en) | Flow path and water quality on-line monitoring instrument | |
| CN201780281U (en) | Online water quality analyzer for permanganate index | |
| CN208140688U (en) | Flow path and water quality on-line monitoring instrument | |
| CN202676591U (en) | Water quality automatic detector | |
| CN104155422B (en) | Water quality detection pipeline system and method | |
| CN203688432U (en) | Liquid metering system | |
| CN208076383U (en) | Flow path and water quality on-line monitoring instrument | |
| CN208140687U (en) | Flow path and water quality on-line monitoring instrument | |
| CN102680721A (en) | COD (chemical oxygen demand) online monitoring instrument | |
| CN201628680U (en) | Nickel-ion online automatic monitoring device | |
| CN206804514U (en) | A kind of ammonia nitrogen water quality in-line analyzer | |
| CN107831121A (en) | Multi-parameter water quality detector and its application method | |
| CN107860614A (en) | The quantitative measuring device of water quality testing meter | |
| CN203241404U (en) | Automatic multi-parameter chemical reagent filling device of water quality online analyzer | |
| CN204882593U (en) | Negative pressure liquid feeding device of full -automatic biochemical analysis appearance | |
| CN205038164U (en) | Total nitrogen, integrative online water quality monitoring system of phosphorus | |
| CN201364336Y (en) | Dedicated metering device for automatic water quality analyzer | |
| CN112147086A (en) | Water quality on-line monitoring system capable of configuring measurement process at will | |
| CN209961769U (en) | Water quality analyzer and water quality on-line monitoring system | |
| CN207689353U (en) | Improved water quality testing meter | |
| CN209841668U (en) | Multi-parameter water quality detector | |
| CN207992182U (en) | The check system of water quality testing meter | |
| CN209280557U (en) | A kind of liquid channel system of unit dosage | |
| CN108872116A (en) | Multi-parameter water quality detector and its application method | |
| CN110987585A (en) | Water quality analyzer and analysis method for water quality analyzer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |