CN207689353U - Improved water quality testing meter - Google Patents
Improved water quality testing meter Download PDFInfo
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- CN207689353U CN207689353U CN201721573682.0U CN201721573682U CN207689353U CN 207689353 U CN207689353 U CN 207689353U CN 201721573682 U CN201721573682 U CN 201721573682U CN 207689353 U CN207689353 U CN 207689353U
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Abstract
The utility model discloses a kind of improved water quality testing meter.The water quality testing meter includes：Peristaltic pump；Digestion instrument；First three-way magnetic valve, the second three-way magnetic valve and third three-way magnetic valve；Multiple first communicating pipes；Various way solenoid valve；Quantitative endless tube；Second communicating pipe；Photoelectric sensor；First electromagnetic switch valve and the second electromagnetic switch valve；Third connecting pipe；4th communicating pipe；5th communicating pipe；Programmable controller is electrical connected with the first three-way magnetic valve, the second three-way magnetic valve, third three-way magnetic valve, various way solenoid valve, peristaltic pump, photoelectric sensor, digestion instrument, the first electromagnetic switch valve and the second electromagnetic switch valve.Water quality testing meter in the utility model is designed using annular water channel, and using quantitative endless tube, high in quantitative sampling precision, metering is accurate, easy to operate.
Description
【Technical field】
The utility model is related to field of water quality detection, more particularly to a kind of improved water quality testing meter.
【Background technology】
For water quality detection it is generally necessary to detect many kinds of parameters, as in water COD, BOD, ammonia nitrogen, total phosphorus, total nitrogen, temperature,
The general characteristics parameter such as pH value, conductivity, dissolved oxygen and turbidity.It refers to one that COD, which defines COD (COD or CODcr),
Under conditions of determining strictly, the reducing substances in water consume oxygen under the action of the strong oxidizer added outside when by oxygenolysis
The quantity of agent indicates that COD reflects the degree polluted by reducing substances in water with the mg/L of oxygen.BOD
(Biochemical Oxygen Demand's writes a Chinese character in simplified form)：Biochemical oxygen demand (BOD) or bod (COD on the five) indicate
The comprehensive instruction of one of the aerobic pollutions matter content such as Organic substance in water.Illustrate biochemical action of the Organic substance in water due to microorganism
Oxygenolysis is carried out, the total quantity of consumed oxygen in water when being allowed to inorganization or aerifying.Ammonia nitrogen refers in water with free
Nitrogen existing for ammonia (NH3) and ammonium ion (NH4+) form.The nitrogen content of animality organic matter is generally height compared with vegetalitas organic matter.
It is being measured after orthophosphates as a result, with the phosphorous milligram of every liter of water sample that total phosphorus is that the phosphorus of various forms is transformed by water sample after resolution
Number metering.PH value indicates the numerical value of aqueous solution acidity or degree of alkalinity.Conductivity is tensor, is with number in water quality detection
The ability of the solution conduction electric current of expression.The partial pressure of oxygen, the temperature of water have close pass in the content and air of oxygen in water
System, oxygen in water number be weigh water body self-purification ability an index.Turbidity refers to that suspended matter penetrates light in water
When the obstruction degree that is occurred.
The detection of the parameters such as COD, BOD, ammonia nitrogen, total phosphorus, total nitrogen can be detected by spectrophotometer, object
Matter molecule under different conditions, absorbs or situations such as the wavelength of emission spectrum, intensity, polarization state and the structure of the substance is special
Sign has intrinsic relationship.The molecular structure of different material is different, corresponds to different Absorption and emission spectras；Same substance
It is different in the same absorption intensity for absorbing peak position when concentration difference.Therefore, by a certain substance in detection water to specific wavelength
The degree of absorption of light, you can determine the concentration of the substance in water.
In the prior art, it needs, by carrying out pre-treatment after corresponding reagent is added dropwise, to need at this time accurate in water quality detection
Quantitative metering water quality sample and reagent, so as to obtain more accurate testing result.However, existing quantitative sampling
Mode process is complicated, poor accuracy.In addition, existing water quality testing meter is complicated, it is inconvenient.
It is therefore desirable to provide a kind of new water quality testing meter.
【Utility model content】
One of the purpose of this utility model is to provide a kind of water quality testing meter, and quantitative sampling precision is high, simple in structure,
It is simple to operate.
In order to realize that the purpose of this utility model, the utility model provide a kind of water quality testing meter comprising：Peristaltic pump；
Digestion instrument；First three-way magnetic valve, the second three-way magnetic valve and third three-way magnetic valve, each three-way magnetic valve include public
Port, normally closed port and normally opened port, when not being triggered driving, the normally closed port is closed, the normally opened port open, institute
It states public port to be connected to the normally opened port, when being triggered driving, the normally closed port open, the normally opened port is closed
It closes, the public port is connected to the normally closed port；Multiple first communicating pipes；Various way solenoid valve a comprising common end
Mouthful and multiple seperated ports, what can be controlled is connected to public port with one in the multiple seperated port, described
Seperated port includes the seperated port of resolution, air fission port and multiple containers fission port, wherein container fission port
Pass through corresponding first communicating pipe and the fluid connection in corresponding container respectively；Quantitative endless tube, first end and more energization magnetic
The public port of valve is connected to, and second end is connected to the normally closed port of the second three-way magnetic valve；Second communicating pipe, first end with
The public port of second three-way magnetic valve is connected to, and second end is connected to the public port of the first three-way magnetic valve, the second connection
The part of pipe is placed in the peristaltic pump and is driven by the peristaltic pump；Photoelectric sensor is placed on the peristaltic pump
And on second the second communicating pipe between three-way magnetic valve；First electromagnetic switch valve and the second electromagnetic switch valve be not triggered
When driving, the first electromagnetic switch valve and the second electromagnetic switch valve are closed, when being triggered driving, the first electromagnetic switch valve and second
Electromagnetic switch valve is closed；Third connecting pipe, first end are connected to the normally closed port of the first three-way magnetic valve, second end and first
One end of electromagnetic switch valve is connected to, and the other end of the first electromagnetic switch valve is connected to the upper port of digestion instrument；4th communicating pipe,
The port connection seperated with the resolution of various way solenoid valve of its first end, the normally closed port phase of second end and third three-way magnetic valve
Even；5th communicating pipe, first end are connected to the normally opened port of third three-way magnetic valve, second end and the second electromagnetic switch valve
One end connection, the other end of the second electromagnetic switch valve is connected to the lower port of digestion instrument；Programmable controller, with first
Three-way magnetic valve, the second three-way magnetic valve, third three-way magnetic valve, various way solenoid valve, peristaltic pump, photoelectric sensor, resolution dress
It sets, the first electromagnetic switch valve and the second electromagnetic switch valve are electrical connected.
Further, when carrying out quantitative extraction, the programmable controller controls the common end of the various way solenoid valve
Mouth port connection seperated with a container, the container fission port are connected to the liquid in target container by the first communicating pipe,
Triggering the second three-way magnetic valve of driving, drives the peristaltic pump to be rotated in a first direction, with the rotation of the peristaltic pump, with this
The driven public port by the various way solenoid valve of liquid in the target container that container fission port is connected enters
The quantitative endless tube, feedback letter is provided when having liquid in the second communicating pipe that the photoelectric sensor detects corresponding position
Number the programmable controller is given, described in the programmable controller controls after the feedback signal for receiving the photoelectric sensor
Peristaltic pump stops after being rotated further by the predetermined time, and after peristaltic pump stopping, the programmable controller, which no longer trigger, drives the
Two three-way magnetic valves then control the peristaltic pump and are rotated along the second direction opposite with first direction, will be in the second communicating pipe
Liquid be discharged by the normally opened port of the second three-way magnetic valve, the liquid in the quantitative endless tube described at this time is exactly from target container
In the liquid of predetermined volumes that extracts.
Further, when carrying out quantitative sample injection after quantitative extraction, programmable controller control more energizations
The port connection seperated with resolution of the public port of magnet valve, the first three-way magnetic valve of triggering driving, the second three-way magnetic valve, the three or three
Three-way electromagnetic valve, triggering the first electromagnetic switch valve of driving and the second electromagnetic switch valve, then control the peristaltic pump in a second direction
Rotation, by the liquid in the quantitative endless tube by clearing up seperated port, third three-way magnetic valve, the conveying of the second electromagnetic switch valve
Into digestion instrument.
Further, when carrying out drain, the programmable controller control the public port of the various way solenoid valve with
Air fission port is connected to, the first three-way magnetic valve of triggering driving, the second three-way magnetic valve, triggering the first electromagnetic switch valve of driving
It with the second electromagnetic switch valve, then controls the peristaltic pump and is rotated in a first direction, air is passed through into air fission port, quantitative
Ring, the first three-way magnetic valve, the second three-way magnetic valve, the first electromagnetic switch valve are conveyed into digestion instrument, in digestion instrument
Liquid is discharged by the normally opened port of the second electromagnetic switch valve, third three-way magnetic valve.
Further, water quality testing meter further includes having the 4th three-way magnetic valve, the public port of the 4th three-way magnetic valve with
The normally opened port of third three-way magnetic valve is connected to, and the drain includes removal waste fluid and row's dilution, is based on the PLC technology
The control of device distinguishes removal waste fluid and row's dilution by the normally opened port of the 4th three-way magnetic valve and normally closed port.
Compared with prior art, the water quality testing meter in the utility model is designed using annular water channel, using quantitative endless tube,
High in quantitative sampling precision, metering is accurate, easy to operate.
【Description of the drawings】
It will be better understood in conjunction with refer to the attached drawing and next detailed description, the utility model, wherein same attached drawing
The corresponding same structure member of label, wherein：
Fig. 1 is the structural schematic diagram of the quantitative measuring device in the first embodiment of the utility model；
Fig. 2 is the structural schematic diagram of the water quality testing meter in the second embodiment of the utility model；
Fig. 3 is the flow chart of the application method of the water quality testing meter in the second embodiment of the utility model；
Fig. 4 is the structural schematic diagram of the water quality testing meter in the 3rd embodiment of the utility model；
Fig. 5 is the structure diagram of the check system of the water quality testing meter in the fourth embodiment of the utility model；
Fig. 6 is the flow chart of the method for calibration of the water quality testing meter in the fourth embodiment of the utility model.
【Specific implementation mode】
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, below in conjunction with the accompanying drawings and have
Body embodiment is described in further detail the utility model.
Quantitative measuring device
In the first embodiment, the utility model provides a kind of quantitative measuring device of water quality testing meter.As shown in Figure 1
, for the structural schematic diagram of the quantitative measuring device 100 in the first embodiment of the utility model.
The quantitative measuring device 100 includes peristaltic pump P1, the first three-way magnetic valve V1, multiple first communicating pipes L1, the
Two three-way magnetic valve V2, various way solenoid valve D1, quantitative endless tube LC, the second communicating pipe L2, photoelectric sensor G1 and PLC technology
Device.
The peristaltic pump P1 can be along first direction (such as counterclockwise) rotation, also can be along opposite with first direction the
Two directions (such as clockwise) rotation.Each three-way magnetic valve includes public port COM, normally closed port NC and normally opened port NO.
When three-way magnetic valve V1 and V2 are not triggered driving, the normally closed port NC is closed, and the normally opened port NO is opened, the public affairs
Port COM is connected to the normally opened port NC altogether.When three-way magnetic valve V1 and V2 are triggered driving, the normally closed port NC is opened
It opens, the normally opened port NO is closed, and the public port COM is connected to the normally closed port NC.
The various way solenoid valve D1 includes a public port C and multiple seperated ports (1,2,3 ..., 9, A), can
Controlled by public port and one in the multiple seperated port (1,2,3 ..., 9, A) connection, the fission port
Including clearing up fission port A and multiple containers fission port (2,3 ..., 9), wherein container fission port 2,3 ..., 9
Pass through corresponding first communicating pipe L1 and the fluid connection in corresponding container respectively.In Fig. 1, it illustrates and has carried out much a appearances
Device, including one container of standard specimen, two container of standard specimen, three container of standard specimen, actual water sample container, performance water sample container, diluent container,
Reagent A container, reagent B containers, their ports seperated with container 2,3 ... respectively, 9 connections.
The first end of the quantitative endless tube LC is connected to the public port C of various way solenoid valve D1, second end and the two or three
The normally closed port NC of three-way electromagnetic valve V2 is connected to.The length of the quantitative endless tube is predetermined length value, such as 400mm, 250mm, by
It is definite value in length, the cross-sectional area of quantitative endless tube LC internal channels is known definite value again, therefore the capacity of quantitative endless tube LC is just
It is known predetermined volumes.
The first end of second communicating pipe L2 is connected to the public port of the second three-way magnetic valve V2, second end and the one or three
The public port COM connections of three-way electromagnetic valve V1, the part of the second communicating pipe L2 is placed in the peristaltic pump P1 and by described compacted
Dynamic pump P1 drivings.Photoelectric sensor G1 is placed on the second communicating pipe between the peristaltic pump P1 and the second three-way magnetic valve V2
On L2.Programmable controller and the second three-way magnetic valve V2, the first three-way magnetic valve V1, peristaltic pump P1, photoelectric sensor G1 electricity
Property be connected.
The quantitative extraction for the liquid in target container that the quantitative measuring device 100 can be selected arbitrarily and fixed
Measure sample introduction.
When carrying out quantitative extraction, the programmable controller control the various way solenoid valve D1 public port and one
Container fission port (2,3 ..., 9) is connected to, and the liquid in the container fission port (2,3 ..., 9) and target container passes through the
A connecting pipe L1 connections, can select a target container (such as actual water sample container) in this way, and triggering driving the two or three is powered
Magnet valve V2 drives the peristaltic pump P1 to be rotated in a first direction, with the rotation of the peristaltic pump P1, port seperated with the container
Liquid in the target container (such as actual water sample container) being connected is driven by the public of the various way solenoid valve D1
Port C enters the quantitative endless tube LC, has in the second communicating pipe L2 that the photoelectric sensor G1 detects corresponding position
Feedback signal is provided when liquid to the programmable controller.The programmable controller is receiving the photoelectric sensor G1's
The peristaltic pump P1 is controlled after feedback signal be rotated further by the predetermined time (such as 3s, 4s etc.) stop afterwards.Stop in the peristaltic pump P1
After only, the programmable controller no longer triggers the second three-way magnetic valve V2 of driving, then controls the peristaltic pump P1 along with the
The opposite second direction rotation in one direction, passes through the normally opened port of the second three-way magnetic valve V2 by the liquid in the second communicating pipe L2
NC is discharged, and the liquid in the quantitative endless tube LC described at this time is exactly the extraction from selected target container (such as actual water sample container)
The liquid of the predetermined volumes arrived.When in a specific embodiment, if necessary to the actual water sample in extraction actual water sample container,
The ports 5 seperated with a container the public port C for controlling the various way solenoid valve D1 are just needed to be connected to.
When carrying out quantitative sample injection after quantitative extraction, the programmable controller controls the public affairs of the various way solenoid valve D1
Port C port A connections seperated with resolution altogether, the second three-way magnetic valve V2 of triggering driving, the first three-way magnetic valve V1, then control
The peristaltic pump P1 is rotated in a second direction, and the liquid in the quantitative endless tube LC is delivered in digestion instrument.
The quantitative endless tube LC designs of the sampling of quantitative measuring device 100 of the utility model, use two three-way magnetic valve V1
And V2 can be by the first triple valve V1 discharges when sampling extra, metering is accurate.In addition, 100 structure of quantitative measuring device
Simply, few using device, it is simple to operate.
The container fission port 4 for depicting various way solenoid valve D1 is only exemplary in Fig. 1, Fig. 2 and Fig. 4 by first
Communicating pipe L1 is connected in the container of standard specimen three, in fact, each container fission port of various way solenoid valve D1 all passes through correspondence
First communicating pipe and the fluid connection in corresponding container.
Improved water quality testing meter
In a second embodiment, the utility model provides a kind of improved water quality testing meter.As shown in Figure 2, for this
The structural schematic diagram of water quality testing meter 200 in the second embodiment of utility model.
The water quality testing meter 200 includes：Peristaltic pump P1, digestion instrument 210, the first three-way magnetic valve V1, the second threeway
Solenoid valve V2, third three-way magnetic valve V3, multiple first communicating pipes L1, various way solenoid valve D1, quantitative endless tube LC, the second communicating pipe
L2, photoelectric sensor G1, the first electromagnetic switch valve H1, the second electromagnetic switch valve H2, third connecting pipe L3, the 4th communicating pipe L4,
5th communicating pipe L5 and programmable controller.
When each three-way magnetic valve V1, V2 and V3 are not triggered driving, the normally closed port NC is closed, the normally open end
Mouth NO is opened, and the public port COM is connected to the normally opened port NC.It is triggered driving in three-way magnetic valve V1, V2 and V3
When, the normally closed port NC is opened, and the normally opened port NO is closed, and the public port COM is connected to the normally closed port NC.
The various way solenoid valve D1 includes a public port C and multiple seperated ports (1,2,3 ..., 9, A), can
Controlled by public port and one in the multiple seperated port (1,2,3 ..., 9, A) connection.The fission port
Including resolution fission port A, air fission port 1 and multiple containers fission port (2,3 ..., 9), wherein the container is seperated
Port 2,3 ..., 9 pass through corresponding first communicating pipe L1 and the fluid connection in corresponding container respectively.
The quantitative endless tube LC, various way solenoid valve D1, the second communicating pipe L2, peristaltic pump, the first three-way magnetic valve in Fig. 2
V1, the second three-way magnetic valve V2 mutual connected relation in Fig. 1 they connected relation it is consistent, just repeat no more here
.
The first end of third connecting pipe L3 is connected to the normally closed port of the first three-way magnetic valve V1, second end and the first electromagnetism
One end of switch valve H1 is connected to, and the other end of the first electromagnetic switch valve H1 is connected to the upper port of digestion instrument 210.4th connection
The port C connections seperated with the resolution of various way solenoid valve D1 of the first end of pipe L4, second end are normal with third three-way magnetic valve V3's
Closed end mouth is connected.The first end of 5th communicating pipe L5 is connected to the normally opened port of third three-way magnetic valve V3, second end and the
One end of two electromagnetic switch valve H2 is connected to, and the other end of the second electromagnetic switch valve H2 is connected to the lower port of digestion instrument 210.
First electromagnetic switch valve H1 and the second electromagnetic switch valve H2 is the normally closed electromagnetic switch valve of high temperature, can withstand and disappear
The heating of device 210 is solved, high temperature resistance is strong, and the service life that can improve the water quality testing meter in this way is long.It is opened in electromagnetism
Close valve H1 and H2 be triggered driving when, electromagnetic switch valve H1 and H2 conducting, when electromagnetic switch valve H1 and H2 are not triggered driving,
Electromagnetic switch valve H1 and H2 are closed.Programmable controller and the first three-way magnetic valve V1, the second three-way magnetic valve V2, third threeway
Solenoid valve V3, various way solenoid valve D1, peristaltic pump P1, photoelectric sensor G1, digestion instrument 210, the first electromagnetic switch valve H1 and
Two electromagnetic switch valve H2 are electrical connected.
The water quality testing meter 200 can be used in the quantitative extraction of the liquid in arbitrarily selected target container and quantify
Sample introduction can be also used for the drain for digestion instrument 210.
When carrying out quantitative extraction, the programmable controller controls the public port C and one of the various way solenoid valve D1
A container fission port (2,3 ..., 9) is connected to, which passes through first with the liquid in selected target container
Communicating pipe L1 is connected to, and triggering the second three-way magnetic valve V2 of driving drives the peristaltic pump P1 to be rotated in a first direction, with described
The rotation of peristaltic pump P1, liquid in the target container that port seperated with the container is connected is driven to pass through described be powered more
The public port C of magnet valve D1 enters the quantitative endless tube LC, and the second of corresponding position is detected in the photoelectric sensor G1
Feedback signal is provided when having liquid in communicating pipe L2 to the programmable controller, the programmable controller is receiving the light
It controls after the peristaltic pump P1 is rotated further by the predetermined time and stops after the feedback signal of electric transducer.After peristaltic pump stopping,
The programmable controller P1 no longer triggers the second three-way magnetic valve V2 of driving, then controls the edges peristaltic pump P1 and first party
It is rotated to opposite second direction, the liquid in the second communicating pipe L2 is arranged by the normally opened port of the second three-way magnetic valve V2
Go out, the liquid in the quantitative endless tube LC described at this time is exactly the liquid for the predetermined volumes extracted from selected target container.
When carrying out quantitative sample injection after quantitative extraction, the programmable controller controls the public affairs of the various way solenoid valve D1
Port C port A connections seperated with resolution altogether, the second three-way magnetic valve V2 of triggering driving, the first three-way magnetic valve V1, third threeway
Solenoid valve V3, triggering driving the first electromagnetic switch valve H1 and the second electromagnetic switch valve H2, then controls the peristaltic pump P1 along the
Two directions rotate, by the liquid in the quantitative endless tube LC by clearing up fission port A, third three-way magnetic valve V3, the second electricity
Magnetic switch valve V2 is delivered in digestion instrument 210.
When carrying out drain, the programmable controller controls the public port C and air point of the various way solenoid valve D1
Body end mouth 1 is connected to, the second three-way magnetic valve V2 of triggering driving, the first three-way magnetic valve V1, triggering the first electromagnetic switch valve of driving
H1 and the second electromagnetic switch valve H2, then controls the peristaltic pump P1 and is rotated in a first direction, and air is passed through air fission end
Mouth 1, quantitative endless tube LC, the second three-way magnetic valve V2, the first three-way magnetic valve V1, the first electromagnetic switch valve H1 are conveyed into resolution dress
In setting 210, the liquid in digestion instrument 210 is arranged by the normally opened port of the second electromagnetic switch valve H2, third three-way magnetic valve V3
Go out.
In a preferred embodiment, the water quality testing meter 200 further includes having the 4th three-way magnetic valve V4, and the four or three
The public port of three-way electromagnetic valve V4 is connected to the normally opened port of third three-way magnetic valve V3, the row carried out from digestion instrument 210
Liquid includes removal waste fluid and row's dilution, the normally open end that the control based on the programmable controller passes through the 4th three-way magnetic valve V4
Mouth and normally closed port difference removal waste fluid and row's dilution.As shown in Figure 2, the normally opened port of the 4th three-way magnetic valve V4 is for arranging
Go out waste liquid, for cleaning solution to be discharged, the total displacement of such waste liquid can reduce very much, more environmentally friendly for normally closed port.
In one embodiment, the water quality testing meter 200 can also quantitatively carry mixed liquor in digestion instrument 210
It takes and quantitative sample injection, in this embodiment, the length of the 4th communicating pipe L4 is consistent with the quantitative length of endless tube LC, i.e., the 4th connection
The capacity of pipe L4 and the capacity of quantitative endless tube LC are consistent.Mixed liquor carries out quantitative extraction and determines in digestion instrument 210
Before measuring sample introduction, more parts of liquid of 211 quantitative sample injection of digestion tube described in warp-wise, for example may include 1 part of actual water sample and 8 parts are dilute
Liquid is released, quantitative extraction and quantitative sample injection can be carried out to mixed liquor in digestion instrument 210 later.
Next following operation is executed successively：
The promotion of mixed liquor in digestion instrument 210：The programmable controller controls the public of the various way solenoid valve D1
Port C port A connections seperated with resolution, the first three-way magnetic valve V1 of triggering driving, the second three-way magnetic valve V2, the three or three are powered
Magnet valve V3, triggering driving the first electromagnetic switch valve H1 and the second electromagnetic switch valve H2, drives the peristaltic pump P1 along first direction
Rotation, with the rotation of the peristaltic pump P1, mixed liquor in digestion instrument 210 it is driven by H2, V3, D1, into institute
Quantitative endless tube LC is stated, is provided when having liquid in the second communicating pipe L2 that the photoelectric sensor G1 detects corresponding position anti-
Feedback signal gives the programmable controller, the programmable controller to be controlled after the feedback signal for receiving the photoelectric sensor
The peristaltic pump P1 stops after being rotated further by the predetermined time.
The discharge of mixed liquor in quantitative endless tube LC：The programmable controller controls the common end of the various way solenoid valve D1
The ports 1 seperated with air mouth C are connected to, and triggering the second three-way magnetic valve V2 of driving drives the peristaltic pump P1 to turn along first direction
Dynamic, with the rotation of the peristaltic pump P1, the mixed liquor in quantitative endless tube LC and the second communicating pipe L2 passes through the first threeway electromagnetism
The normally opened port of valve V1 is discharged.
The discharge of residual mixed liquor in digestion instrument 210：The programmable controller controls the various way solenoid valve D1's
The ports 1 seperated with air public port C are connected to, and are triggered and are driven three-way magnetic valve V2, V1, electromagnetic switch valve H1, H2, described in driving
Peristaltic pump P1 is rotated in a first direction, and with the rotation of the peristaltic pump P1, residual mixed liquor passes through third in digestion instrument 210
The normally opened port of three-way magnetic valve V3 is discharged.At this point, there is the mixed liquor of predetermined volumes in only the 4th communicating pipe L4.
The quantitative sample injection of mixed liquor：The programmable controller controls the public port C of the various way solenoid valve D1 and disappears
Fission port A connections are solved, triggering driving three-way magnetic valve V2, V1, V3, electromagnetic switch valve H1, H2 drive the edges the peristaltic pump P1
Second direction rotates, and with the rotation of the peristaltic pump P1, the mixed liquor of the predetermined volumes in the 4th communicating pipe L4 is transported to
In the digestion instrument 210.
It thereby realizes and quantitative extraction and quantitative sample injection is carried out to mixed liquor in digestion instrument 210.In one application,
It can be diluted to obtain 9 portions of mixed liquors using 8 parts of dilutions pair, 1 part of actual water sample, can then extract 1 portion of mixed liquor, it will
Remaining 8 portions of mixed liquors discharge, wherein 1 part here refers to the predetermined volumes for quantifying endless tube LC.
The digestion instrument 210 includes digestion tube 211, heating unit 212, temperature sensor (not shown), colorimetric unit
213 and heat-sink unit (not shown), the upper port of the upper port of the digestion tube 211 as the digestion instrument 210 is described to disappear
Solve lower port of the lower port of pipe 211 as the digestion instrument 210.The heating unit 212 is arranged in the digestion tube 211
Lower periphery, for being heated to the digestion tube.The temperature sensor is used to incude the liquid in the digestion tube 211
The temperature of body.The heat-sink unit is used to carry out cooling to the digestion tube.The colorimetric unit 213 includes transmitting light source
And light receiving unit, light receiving unit receive the light through the liquid to be measured in digestion tube and obtain photosignal, and by light
Electric signal sends programmable controller to, and programmable controller obtains the predetermined characteristic of liquid to be measured based on the photosignal
The measured value of parameter.
The water quality testing meter 200 further includes having communication interface (not shown), the programmable controller to obtain detection
The measured value of predetermined characteristic parameter of liquid to be measured server is uploaded to by communication interface.The communication interface can be
Wireless communication interface, such as wifi, bluetooth, mobile communication interface (interface of 3G, 4G mobile communication network) etc., can also be to have
Line communication interface.The water quality testing meter 200 can detect the features such as COD, BOD, ammonia nitrogen, total phosphorus, the total nitrogen of actual water sample ginseng
Number.
Water quality testing meter 200 in the utility model is designed using annular water channel, using quantitative endless tube, in quantitative sampling essence
Degree is high, and metering is accurate, easy to operate.
The application method of water quality testing meter
The application method of water quality testing meter 200 is described below.As shown in Figure 3, it illustrates the second of the utility model
The flow chart of the application method 300 of water quality testing meter 200 in embodiment.The application method 300 includes the following steps.
Step 310, quantitative extraction and the quantitative sample injection for carrying out actual water sample to be detected successively, with elder generation from actual water sample container
The water sample of middle extraction predetermined volumes enters quantitative endless tube, and the water sample of the predetermined volumes in quantitative endless tube is then delivered to digestion tube
In 211.
Specifically, the public port D1 of various way solenoid valve D1 is connected to by the programmable controller with container fission port 5,
Wherein container fission port 5 is connected to actual water sample container.The programmable controller triggering driving V1, drives the peristaltic pump P1
It is rotated in a first direction.The programmable controller controls the peristaltic pump after the feedback signal for receiving the photoelectric sensor
P1 stops after being rotated further by the predetermined time, and after peristaltic pump stopping, the programmable controller P1 no longer triggers driving second
Three-way magnetic valve V2 then controlled the peristaltic pump P1 and is rotated along the second direction opposite with first direction, by the second communicating pipe
Liquid in L2 is discharged by the normally opened port of the second three-way magnetic valve V2, the liquid in the quantitative endless tube LC described at this time be exactly from
The actual water sample for the predetermined volumes extracted in actual water sample container.
Next, the programmable controller controls the public port C port As seperated with resolution of the various way solenoid valve D1
Connection, triggering driving V1, V2, V3, H1 and H2 then control P1 and are rotated in a second direction, by the reality in the quantitative endless tube LC
Border water sample is delivered to digestion tube 211 by clearing up seperated port A, V3, V2.
It, can the repeated quantitative extraction for executing actual water sample to be detected and quantitative if necessary to more parts of actual water samples
Sample introduction.
Step 320, quantitative extraction and the quantitative sample injection for carrying out reagent successively, predetermined volumes are extracted with elder generation from reagent container
Reagent enter quantitative endless tube LC, then the reagent of the predetermined volumes in quantitative endless tube LC is delivered in digestion tube 211.
Specifically, the quantitative extraction with actual water sample and the substantially same mode of quantitative sample injection may be used, carry out successively
The sole difference of the quantitative extraction of reagent and quantitative sample injection, the two is：When carrying out the quantitative extraction of reagent, more energization magnetic
On the seperated port of the public port C of valve D1 is communicated to the reagent of reagent A or B containers is connected to container 8 or 9.In fig. 2,
It shows 2 reagent containers, in other embodiments, can also there was only 1 reagent container, can also be 3 or more examinations
Agent container, this depends on concrete application.
Step 330, the heating devices heat of digestion instrument is to predetermined first temperature and predetermined hold-time, to disappear
Solution.
In one application, it is heated between 150-200 degree, and continues 10-40 minutes.
Step 340, it radiates to the digestion tube 211 to be cooled to predetermined second temperature, for example is cooled to 50-100
Degree.
Step 350, transmitting light source emits light, light-receiving through the liquid in the digestion tube to the light receiving unit
Unit reception obtains photosignal through the light of the liquid in digestion tube, and sends photosignal to programmable controller,
Programmable controller obtains the measured value of the predetermined characteristic parameter of actual water sample to be measured to be measured based on the photosignal.
Step 360, the actual measurement of the predetermined characteristic parameter for the actual water sample to be measured that the programmable controller obtains detection
Value is uploaded to server by communication interface.
Depending on realizing that demand, the application method 300 are quantitatively extracted with before quantitative sample injection in progress actual water sample, can also
Cleaning to the digestion tube 210.
The cleaning to the digestion tube 210 includes：
Removal waste fluid is carried out to the liquid in digestion tube 210；
Be diluted non-quantitation extraction and the non-quantitation sample introduction of liquid successively, extracted from diluent container with elder generation dilution into
Enter quantitative endless tube LC and the second communicating pipe L2, then the dilution in quantitative endless tube LC and the second communicating pipe L2 is delivered to and is disappeared
It solves in pipe 210；
Liquid in digestion tube 211 is carried out to clear washing lotion.
Non-quantitation extracts：Control the public port port seperated with a selected container of the various way solenoid valve D1
Connection, triggering driving V1, drives P1 to be rotated in a first direction, the programmable controller is receiving the photoelectric sensor G1's
It controls after the peristaltic pump P1 is rotated further by the predetermined time and stops after feedback signal, be just extracted the target liq of non-quantitation at this time.
When carrying out non-quantitation sample introduction after non-quantitation extraction, the programmable controller controls the public port of the various way solenoid valve
Port connection seperated with resolution, triggering driving V1, V2, V3, H1 and H2 conducting, then controls the peristaltic pump P1 in a second direction
Liquid in quantitative the endless tube LC and the second communicating pipe L2 is delivered in digestion instrument by rotation.
By replacing different reagent, the water quality testing meter 200 can detect COD, BOD of actual water sample, ammonia nitrogen, total
The different characteristic parameter such as phosphorus, total nitrogen.
Multi-parameter water quality detector
In the third embodiment, the utility model provides a kind of multi-parameter water quality detector.As shown in Figure 4, for this
The structural schematic diagram of multi-parameter water quality detector 400 in the 3rd embodiment of utility model.
Multi-parameter water quality detector 400 in Fig. 4 is whole similar in structure with the water quality testing meter 200 in Fig. 2, different
Place is：Multi-parameter water quality detector 400 in Fig. 4 includes multiple digestion instrument 210a, 210b, 210c, multiple first electricity
Magnetic switch valve H1, multiple second electromagnetic switch valve H2, the second various way solenoid valve D2, third various way solenoid valve D3.In this embodiment
In, various way solenoid valve D1 is referred to as the first various way solenoid valve.The water quality in multi-parameter water quality detector 400 and Fig. 2 in Fig. 4 is examined
The identical part in structure and principle of instrument 200 is surveyed, is just not repeated here, is please referred to above.
One end of first electromagnetic switch valve H1 is connected to the upper port of corresponding digestion instrument, the second electromagnetic switch valve H2's
One end is connected to the lower port of corresponding digestion instrument.The first end of third connecting pipe L3 is normally closed with the first three-way magnetic valve V1's
Port is connected to, and second end is connected to the public port of the second various way solenoid valve D2, the seperated port point of the second various way solenoid valve D2
It is not connected with the other end of corresponding first electromagnetic switch valve H1.The first end of 5th communicating pipe L5 and third three-way magnetic valve V3
The connection of normally opened port, second end is connected to the public port of third various way solenoid valve D3, and third various way solenoid valve D3's divides
Body end mouth is connected with the other end of corresponding second electromagnetic switch valve H2 respectively.Programmable controller also with the second various way solenoid valve
D2, third various way solenoid valve D3 are electrical connected.
Due to being needed from multiple resolutions with multiple digestion instruments when carrying out quantitative sample injection, removal waste fluid, clearing washing lotion
One is selected in device and is used as target digestion instrument, can be operated accordingly later.If it is desired to selected digestion instrument
210a, then the public port for just controlling second, third various way solenoid valve D2 and D3 seperated end corresponding with digestion instrument 210a
Mouth connection, while triggering the corresponding first electromagnetic switch valve H1 and the second electromagnetic switch valve H2 of driving digestion instrument 210a.
It is also similar in the application method and the application method of water quality testing meter 200 of multi-parameter water quality detector 400, difference
Be in：
Need to select one from multiple digestion instruments in advance as target digestion instrument；
It can be carried out for another target digestion instrument to be checked when a target digestion instrument is cleared up and cooled down
Survey quantitative extraction and the quantitative sample injection of water sample or reagent；
It can be disposably directed to quantitative extraction and quantitative sample injection that different digestion instruments carries out water sample to be detected successively, it
Property is directed to quantitative extraction and quantitative sample injection that different digestion instruments carries out reagent successively again afterwards.
The check system and method for water quality testing meter
In the fourth embodiment, the utility model provides a kind of check system 500 of water quality testing meter.As shown in Figure 5,
It is the structural schematic diagram of the check system 500 of the water quality testing meter in the fourth embodiment of the utility model.The verification system
System 500 includes：Management server 560 and water quality testing meter 520.The water quality testing meter 520 can be water quality as shown in Figure 2
Detector can also be multi-parameter water quality detector as shown in Figure 4, can also be other water quality testing meters.
Water quality testing meter 520 can be communicated with the management server 560 by network 504, and interior includes standard
Water sample container 522 and actual water sample container 524, wherein standard water sample is accommodated in the standard water sample container 522, the standard water
The standard value of the predetermined characteristic parameter of sample is known and is stored in management server 560, the actual water sample container 524
Interior receiving needs to be surveyed actual water sample, and the water quality testing meter 520 regularly detects the pre- of the actual water sample in actual water sample container
Determine the measured value of characteristic parameter, and the measured value of the predetermined characteristic parameter for the actual water sample that detection obtains is uploaded to management service
Device 560.
Water quality testing meter 520 can also be in examination criteria water sample container 522 standard water sample predetermined characteristic parameter value,
And the measured value for the predetermined characteristic parameter that detection obtains standard water sample is uploaded to management server 560, the management server
Whether the measured value of the 560 predetermined characteristic parameters based on standard water sample and the difference of standard value verify the water quality testing meter 520
It goes wrong.Specifically, be more than predetermined ratio in the measured value of the predetermined characteristic parameter of standard water sample and the deviation of standard value, than
Such as positive and negative 10%, then illustrate water quality testing meter normal operation, otherwise, then it is assumed that water quality testing meter operation goes wrong, and can arrange
Related personnel carries out inspection calibration.In addition to the management server 560, who and is unaware of the predetermined characteristic parameter of standard water sample
Standard value.
In a preferred embodiment, (such as time random) of the management server 560 periodically or non-periodically
Checking command, after the checking command for receiving the management server 560, the water quality detection are sent to water quality testing meter 520
The value of the predetermined characteristic parameter of standard water sample in 520 ability examination criteria water sample container of instrument, and detection is obtained into standard water sample
The measured value of predetermined characteristic parameter is uploaded to management server 560.In this way, when the water quality testing meter 520 and being unaware of needs
Standard water sample in standard water sample container is detected, 560 time of the management server it is random to water quality testing meter
520 send checking commands, i.e., the time point that the water quality testing meter 520 is detected the standard water sample in standard water sample container
It is random, rather than fixed, improves the confidence level of 520 detection data of the water quality testing meter in this way.
The standard water sample container in the water quality testing meter is replaced every predetermined period, for example one month replaces once, keeps away
The standard water sample exempted from standard water sample container caused by overlong time is rotten.In addition, pre- in different standard water sample containers 522
The standard value for determining characteristic parameter is different.
In the fourth embodiment, the utility model provides the method for calibration 600 of also a kind of water quality testing meter.As shown in Figure 6
, for the flow chart of the method for calibration 600 of the water quality testing meter in the fourth embodiment of the utility model.The method of calibration
600 include the following steps.
Step 610, the water quality testing meter 520 regularly detects the predetermined characteristic of the actual water sample in actual water sample container
The measured value of parameter, and the measured value of the predetermined characteristic parameter for the actual water sample that detection obtains is uploaded to management server 560；
Step 620, the predetermined characteristic ginseng for the standard water sample that the water quality detection 520 can also be in examination criteria water sample container
Several values, and the measured value for the predetermined characteristic parameter that detection obtains standard water sample is uploaded to management server；
Step 630, the measured value of predetermined characteristic parameter of the management server 560 based on standard water sample and standard value
Difference verifies whether the water quality testing meter 520 goes wrong.Here go wrong refer to water quality testing meter 520 testing number
According to not being inconsistent standardization, this may be due to caused by water quality testing meter 520 failure of itself, it is also possible to due to water quality detection
Caused by the detection parameters of instrument 520 are changed, it is also possible to caused by other problems.
Preferably, (time is random) of the management server 560 periodically or non-periodically is sent to water quality testing meter 520
Checking command, after the checking command for receiving the management server 560,520 ability examination criteria water sample of the water quality testing meter
The value of the predetermined characteristic parameter of standard water sample in container, and the measured value that the predetermined characteristic parameter for obtaining standard water sample will be detected
It is uploaded to management server 520.
In this way, the check system based on the water quality testing meter in the utility model and method, realization water quality that can be long-range
The verification of detector 520, it is not necessary to scene, can be carried out whenever and wherever possible, promote the work effect of Site Detection Environment Monitoring Unit
Rate saves significantly on manpower.Meanwhile can accomplish that random repeatedly verification, long-term monitoring are spot-check at any time, improve detection data
Confidence level；The standard value of the predetermined characteristic parameter of standard water sample is secrecy, different, Nobody Knows its it is specific be worth, this into
One step improves the confidence level of detection data.
Above description fully discloses specific embodiment of the present utility model.It should be pointed out that being familiar with the neck
Right of any change that the technical staff in domain does specific embodiment of the present utility model all without departing from the utility model
The range of claim.Correspondingly, the scope of the claims of the utility model is also not limited only to the specific embodiment party
Formula.
Claims (8)
1. a kind of water quality testing meter, which is characterized in that it includes：
Peristaltic pump；
Digestion instrument；
First three-way magnetic valve, the second three-way magnetic valve and third three-way magnetic valve, each three-way magnetic valve include public port,
Normally closed port and normally opened port, when not being triggered driving, the normally closed port is closed, the normally opened port open, the public affairs
Port is connected to the normally opened port altogether, and when being triggered driving, the normally closed port open, the normally opened port is closed, institute
Public port is stated to be connected to the normally closed port；
Multiple first communicating pipes；
Various way solenoid valve comprising a public port and multiple seperated ports, can be controlled by public port and institute
A connection in multiple seperated ports is stated, the fission port includes the seperated port of resolution, air fission port and multiple appearances
Device fission port, wherein container fission port is connected by corresponding first communicating pipe with the liquid in corresponding container respectively
It is logical；
Quantitative endless tube, first end are connected to the public port of various way solenoid valve, and second end is normal with the second three-way magnetic valve
Closed end mouth is connected to；
Second communicating pipe, first end are connected to the public port of the second three-way magnetic valve, second end and the first threeway electromagnetism
The public port of valve is connected to, and the part of the second communicating pipe is placed in the peristaltic pump and is driven by the peristaltic pump；
Photoelectric sensor was placed on the second communicating pipe between the peristaltic pump and the second three-way magnetic valve；
First electromagnetic switch valve and the second electromagnetic switch valve, when not being triggered driving, the first electromagnetic switch valve and the second electromagnetism
Switch valve is closed, and when being triggered driving, the first electromagnetic switch valve and the second electromagnetic switch valve are closed；
Third connecting pipe, first end are connected to the normally closed port of the first three-way magnetic valve, second end and the first electromagnetic switch valve
One end connection, the other end of the first electromagnetic switch valve is connected to the upper port of digestion instrument；
4th communicating pipe, first end port connection seperated with the resolution of various way solenoid valve, second end and third threeway electromagnetism
The normally closed port of valve is connected；
5th communicating pipe, first end are connected to the normally opened port of third three-way magnetic valve, second end and the second electromagnetic switch
One end of valve is connected to, and the other end of the second electromagnetic switch valve is connected to the lower port of digestion instrument；
Programmable controller, with the first three-way magnetic valve, the second three-way magnetic valve, third three-way magnetic valve, various way solenoid valve,
Peristaltic pump, photoelectric sensor, digestion instrument, the first electromagnetic switch valve and the second electromagnetic switch valve are electrical connected.
2. water quality testing meter according to claim 1, which is characterized in that when carrying out quantitative extraction, the programmable control
Device processed controls the public port port connection seperated with a container of the various way solenoid valve, which holds with target
Liquid in device is connected to by the first communicating pipe, and triggering the second three-way magnetic valve of driving drives the peristaltic pump along first direction
Rotation, with the rotation of the peristaltic pump, the liquid in the target container that port seperated with the container is connected is driven logical
The public port for crossing the various way solenoid valve enters the quantitative endless tube, and corresponding position is detected in the photoelectric sensor
Feedback signal is provided when having liquid in the second communicating pipe to the programmable controller, the programmable controller is described in receiving
It controls after the peristaltic pump is rotated further by the predetermined time and stops after the feedback signal of photoelectric sensor, after peristaltic pump stopping,
The programmable controller no longer triggers the second three-way magnetic valve of driving, then controls the peristaltic pump along opposite with first direction
Second direction rotation, the liquid in the second communicating pipe is discharged by the normally opened port of the second three-way magnetic valve, it is described at this time
Liquid in quantitative endless tube is exactly the liquid for the predetermined volumes extracted from target container.
3. water quality testing meter according to claim 2, which is characterized in that when carrying out quantitative sample injection after quantitative extraction,
The programmable controller controls the public port port connection seperated with resolution of the various way solenoid valve, triggering driving the one or three
Three-way electromagnetic valve, the second three-way magnetic valve, third three-way magnetic valve, triggering the first electromagnetic switch valve of driving and the second electromagnetic switch
Valve then controls the peristaltic pump and is rotated in a second direction, by the liquid in the quantitative endless tube by clearing up seperated port, the
Three three-way magnetic valves, the second electromagnetic switch valve are delivered in digestion instrument.
4. water quality testing meter according to claim 1, which is characterized in that when carrying out drain, the programmable controller
Control the public port port connection seperated with air of the various way solenoid valve, the first three-way magnetic valve of triggering driving, the two or three
Three-way electromagnetic valve, triggering the first electromagnetic switch valve of driving and the second electromagnetic switch valve, then control the peristaltic pump along first direction
Rotation, passes through air fission port, quantitative loop, the first three-way magnetic valve, the second three-way magnetic valve, the first electromagnetic switch by air
Valve is conveyed into digestion instrument, the normally open end that the liquid in digestion instrument passes through the second electromagnetic switch valve, third three-way magnetic valve
Mouth discharge.
5. water quality testing meter according to claim 4, which is characterized in that it further includes having the 4th three-way magnetic valve, and the 4th
The public port of three-way magnetic valve is connected to the normally opened port of third three-way magnetic valve, and the drain includes that removal waste fluid and row dilute
Liquid, the control based on the programmable controller distinguish removal waste fluid by the normally opened port of the 4th three-way magnetic valve and normally closed port
With row's dilution.
6. water quality testing meter according to claim 1, which is characterized in that the length of the length of the 4th communicating pipe and quantitative endless tube
Degree is consistent,
The promotion of mixed liquor in digestion instrument：The programmable controller controls public port and the resolution of the various way solenoid valve
The connection of seperated port, the first three-way magnetic valve of triggering driving, the second three-way magnetic valve, third three-way magnetic valve, triggering driving the
One electromagnetic switch valve and the second electromagnetic switch valve, drive the peristaltic pump to be rotated in a first direction, with turning for the peristaltic pump
It is dynamic, mixed liquor in digestion instrument it is driven by the second electromagnetic switch valve, third three-way magnetic valve, various way solenoid valve, into
Enter the quantitative endless tube, feedback is provided when having liquid in the second communicating pipe that the photoelectric sensor detects corresponding position
Signal gives the programmable controller, the programmable controller to control institute after the feedback signal for receiving the photoelectric sensor
It states after peristaltic pump is rotated further by the predetermined time and stops,
The discharge of mixed liquor in quantitative endless tube：The programmable controller controls the public port and air of the various way solenoid valve
Seperated port connection, triggering the second three-way magnetic valve of driving, drives the peristaltic pump to be rotated in a first direction, with the wriggling
The rotation of pump, the mixed liquor quantified in endless tube and the second communicating pipe are discharged by the normally opened port of the first three-way magnetic valve,
The discharge of residual mixed liquor in digestion instrument：The programmable controller control the public port of the various way solenoid valve with
Air fission port is connected to, the first three-way magnetic valve of triggering driving, the second three-way magnetic valve, the first electromagnetic switch valve, the second electricity
Magnetic switch valve drives the peristaltic pump to be rotated in a first direction, with the rotation of the peristaltic pump, remaining mixing in digestion instrument
Liquid is discharged by the normally opened port of third three-way magnetic valve,
The quantitative sample injection of mixed liquor：The programmable controller controls the public port end seperated with resolution of the various way solenoid valve
Mouth connection, the first, second, third three-way magnetic valve of triggering driving, the first electromagnetic switch valve, the second electromagnetic switch valve, drives institute
It states peristaltic pump to be rotated in a second direction, with the rotation of the peristaltic pump, the mixed liquor quilt of the predetermined volumes in the 4th communicating pipe
It is delivered in the digestion instrument.
7. water quality testing meter according to claim 1, which is characterized in that the digestion instrument includes digestion tube, heating list
Member, temperature sensor, colorimetric unit and heat-sink unit, the upper port of the upper port of the digestion tube as the digestion instrument,
Lower port of the lower port of the digestion tube as the digestion instrument, the heating unit are arranged in the lower part of the digestion tube
Around, for being heated to the digestion tube, the temperature sensor is used to incude the temperature of the liquid in the digestion tube,
The heat-sink unit is for radiating to the digestion tube；The colorimetric unit includes transmitting light source and light receiving unit, light
Receiving unit reception obtains photosignal through the light of the liquid to be measured in digestion tube, and photosignal is sent to and can be compiled
Range controller, programmable controller obtain the measured value of the predetermined characteristic parameter of liquid to be measured based on the photosignal.
8. water quality testing meter according to claim 7, which is characterized in that the water quality testing meter further includes having communication to connect
Mouthful, the programmable controller passes through the measured value of the predetermined characteristic parameter for the liquid to be measured that detection obtains on communication interface
Reach server.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721573682.0U CN207689353U (en) | 2017-11-22 | 2017-11-22 | Improved water quality testing meter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721573682.0U CN207689353U (en) | 2017-11-22 | 2017-11-22 | Improved water quality testing meter |
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| CN207689353U true CN207689353U (en) | 2018-08-03 |
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ID=62998907
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107860717A (en) * | 2017-11-22 | 2018-03-30 | 江苏蓝创智能科技股份有限公司 | Improved water quality testing meter and its application method |
| 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 |
-
2017
- 2017-11-22 CN CN201721573682.0U patent/CN207689353U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107860717A (en) * | 2017-11-22 | 2018-03-30 | 江苏蓝创智能科技股份有限公司 | Improved water quality testing meter and its application method |
| CN107860717B (en) * | 2017-11-22 | 2024-02-23 | 江苏蓝创智能科技股份有限公司 | Improved water quality detector and use method thereof |
| 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 |
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Address after: 214000 floor 1-5, building 8, 2018 Lihu Avenue, Wuxi City, Jiangsu Province Patentee after: JIANGSU LANCHUANG INTELLIGENT TECHNOLOGY Co.,Ltd. Address before: 214000 9th floor, building A1, No.999, gaolang East Road, Binhu District, Wuxi City, Jiangsu Province Patentee before: JIANGSU LANCHUANG INTELLIGENT TECHNOLOGY Co.,Ltd. |