CN108240920A - A kind of river water multidraw detecting and controlling system - Google Patents
A kind of river water multidraw detecting and controlling system Download PDFInfo
- Publication number
- CN108240920A CN108240920A CN201611218771.3A CN201611218771A CN108240920A CN 108240920 A CN108240920 A CN 108240920A CN 201611218771 A CN201611218771 A CN 201611218771A CN 108240920 A CN108240920 A CN 108240920A
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- China
- Prior art keywords
- river water
- sample
- detecting
- sampling
- detection
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1031—Sampling from special places
Abstract
The invention discloses a kind of river water multidraw detecting and controlling system, which includes：Sampling module, for multipoint acquisition and conveying river water sample；Detection module, for detecting the river water sample components；Data processing module, for analyzing and recording the river water pattern detection data.The data processing module is connect by PLC unit with detection module, and the PLC unit will be delivered to after the detection information digitized processing of acquisition send data processing module to be analyzed and recorded；The PLC unit is additionally operable to control sampling module normal work according to default timing instructions.The present invention can realize that remote sampling, sample presentation can simultaneously control sampling flow, the sample of the online cycle analysis difference sample point of same group of probe has sample cross contamination when rinse-system prevents the sample from switching, and improves accuracy of detection, and simultaneously recording detection data can be automatically analyzed, it realizes increasingly automated.
Description
Technical field
The present invention relates to field of water quality detection more particularly to a kind of river water multidraw detecting and controlling systems.
Background technology
Water is Source of life, and the mankind be unable to do without water in life and production activity, the quality of Drinking Water water quality with
Human health is closely related.
With the improvement of social and economic development, scientific progress, and people ’ s living standards, people are to the water quality of Drinking Water
It is required that being continuously improved, water quality standard for drinking water also has been continuously developed and improved accordingly.Due to the system of Drinking Water water standard
It is fixed with people’s lives custom, culture, economic condition, scientific technological advance level, water resource and its water quality situation etc. it is a variety of because
Pass is known as, not only between various countries, but also between the different regions of same country, all there is differences for the requirement to drinking water quality
It is different.
Water quality detection is the important leverage that people use water quality safety.
Such as application No. is " water quality detecting device and the method " that the patent document of CN201410729552.6 provides, the water quality
Detection device includes：Test section, including at least a pair of electrodes, each pair of electrode includes first electrode and second electrode, described
First electrode is separately positioned on the implements both sides of accommodating water body and with facing area with second electrode；Capacitance detecting component, even
The test section is connected to, to detect the capacitance between the first electrode and the second electrode；And water quality computation module,
The capacitance detecting component is connected to, according to the capacitance that the capacitance detecting component transmits, is calculated detected described
The total dissolved solids of water body.
For another example application No. is " water quality detection system, the water quality detection dresses that the patent document of CN201510152119.5 provides
Put, mobile terminal and water quality detection method ", the disclosure of the invention a kind of water quality detection system, the water quality detection system include water
Quality detecting device and mobile terminal, wherein, water quality detecting device includes：Shell；Detecting electrode, detecting electrode expose to shell,
For acquiring the water quality sampling data of tested water；Water quality sensor, water quality sensor are located in shell, and connect with detecting electrode
It connects, for generating water quality information according to water quality sampling data；First data-interface, the first data-interface connect with water quality sensor
It connects；Mobile terminal includes：Second data-interface, the second data-interface can be connect with the first data-interface；Display module, for showing
Show water quality information；Acquisition module, acquisition module are connect respectively with the second data-interface and display module, for obtaining water quality letter
Breath, and display module is controlled to show.
In the prior art, water quality sampling is mostly single point grab sampling, and sample data does not have representativeness, and detection efficiency
It is relatively low.
Invention content
In view of the above-mentioned state of the art, the technical problems to be solved by the invention are to provide a kind of precise and high efficiency
River water multidraw detecting and controlling system.
Technical solution is used by the present invention solves above-mentioned technical problem：
A kind of river water multidraw detecting and controlling system, including：
Sampling module, for multipoint acquisition and conveying river water sample；
Detection module, for detecting the river water sample components；
Data processing module, for analyzing and recording the river water pattern detection data.
Further, the sampling module includes：
Multiple water pumps, for passing through sampling pipe in multipoint acquisition river water sample；
Multiple frequency converters, for controlling testing pump sampling flow.
Further, the sampling pipe entrance is provided with filtering mesh screen, for filtering large particulate matter in river water sample.
Further, the sampling module further includes sampling conduit, for conveying river water sample.
Further, the sampling module further includes flowmeter, for measuring actual samples flow.
Further, the sampling conduit is provided with multiple services apertures, when default sampling flow and actual samples flow phase
When difference is more than preset value, can maintenance dredging be carried out to sampling conduit by services aperture.
Further, the detection module includes：
Header, for testing and analyzing river water sample；
Valve control system, for the timesharing of river water sample to be controlled to flow into header.
Further, the valve control system includes：
Drainage tube, for river water sample to be delivered to header；
Solenoid valve is installed on drainage tube, for being turned on or off the conveying of river water sample according to pre-set programs, and it is single
Single solenoid valve is only opened during secondary pattern detection.
Further, the header includes：
Detection probe, for testing and analyzing the river water sample components for flowing into header；
Flusher, for rinsing header with clear water among sample detection process twice.
Further, the data processing module is connect by PLC unit with detection module, and the PLC unit will acquire
Detection information digitized processing after be delivered to data processing module sent to be analyzed and recorded；
The PLC unit is additionally operable to control sampling module normal work according to default timing instructions.
The invention has the advantages that：
1) remote sampling, sample presentation can simultaneously control sampling flow；
2) sample of the online cycle analysis difference sample point of same group of probe；
3) sample cross contamination when preventing the sample from switching that has rinse-system, improves accuracy of detection；
4) it automatically analyzes and recording detection data, realization is increasingly automated.
Description of the drawings
Fig. 1 is a kind of river water multidraw detecting and controlling system structure diagram in the embodiment of the present invention one；
Fig. 2 is sampling module structure diagram in the embodiment of the present invention one；
Fig. 3 is detection module structure diagram in the embodiment of the present invention one.
Specific embodiment
The following is specific embodiments of the present invention and with reference to attached drawing, technical scheme of the present invention is further described,
But the present invention is not limited to these embodiments.
Embodiment one
It is as shown in Figure 1 a kind of river water multidraw detecting and controlling system structure diagram in the present embodiment, the system packet
It includes：
Sampling module 100, for multipoint acquisition and conveying river water sample；
Detection module 200, for detecting the river water sample components；
Data processing module 300, for analyzing and recording the river water pattern detection data.
Sampling module 100 includes：
Multiple water pumps 110, for passing through sampling pipe 130 in multipoint acquisition river water sample；
Multiple frequency converters 120, for water pump 110 to be controlled to adjust sampling flow.
It is used to drawing water and providing conveying power in the water pump 110 of multiple sampled points placement, frequency converter 120 is utilized to control water pump
110 adjust sampling flow.
For the particulate matters such as silt is prevented in river water to block pipeline, impact Failure analysis probe, the sampling pipe 130 into
Filtering mesh screen 131 is provided at mouthful, as shown in Fig. 2, for filtering large particulate matter in river water sample.
In the present embodiment due to sampled distance farther out, remote sample conveying is carried out using big-diameter pipeline.
Sampling conduit 140 is set to underground, for convenience of safeguard, dredging, one maintenance is set every a distance during pipe laying
Hole 141,141 top of services aperture are provided with well lid, and three-port structure and mounting flange lid are provided on the pipeline of corresponding position.
Three-port structure, i.e., there are three the structure being open, common three-port structure has T shapes and a Y shape, in the present embodiment, threeway
Two opposite openings of structure are connect respectively with sampling conduit 140, and third opening is equipped with blind flange.
Blind flange is also referred to as blank flange, blind plate, is intermediate flange not with holes, for sealing pipe stopper, and is removable
Structure is unloaded, effect is as welding end socket and screwed pipe cap.
The present embodiment further includes flowmeter 150, for measuring actual samples flow.
Flowmeter be indicate measured flux and (or) in selected time interval fluid total volume instrument.In simple terms
It is a kind of instrument for measuring fluid flow in pipeline or open channel, conventional unit m3/h in engineering, it can be divided into instantaneous flow
(Flow Rate) and integrated flow (Total Flow) crosses closed conduct in instantaneous flow, that is, unit interval or open channel is effectively cut
The amount in face, the substance flowed through can be gas, liquid, solid；Integrated flow be in certain interval of time (one day, one
Week, January, 1 year) fluid flows through the cumulative amount of closed conduct or open channel effective cross-section.By instantaneous flow to time integral also
Integrated flow can be acquired, so can also be mutually converted between instantaneous flowmeter and flow quantity recorder.
It is generally default to adopt when default sampling flow differs by more than preset value with actual samples flow in the present embodiment
Sample flow is more than actual samples flow, then can determine that sampling conduit 140 is blocked, at this time can be by services aperture 141 to adopting
Sample pipeline 140 carries out maintenance dredging.
As shown in figure 3, detection module 200 includes：
Header 210, for testing and analyzing river water sample；
Valve control system 220, for the timesharing of river water sample to be controlled to flow into header 210.
Valve control system is generally used for open system, and motor is controlled by the continuous variation of the flow of proportioning valve or servo valve
Or the action of the actuators such as oil cylinder.
Valve control system 220 includes：
Drainage tube 221, for river water sample to be delivered to header 210；
Solenoid valve 222 is installed on drainage tube 221, for being turned on or off the defeated of river water sample according to pre-set programs
It send, and single solenoid valve 222 is only opened during single pattern detection.
Solenoid valve (Electromagnetic valve) is electromagnetically controlled industrial equipment, is for controlling fluid
Automatic foundamental element belongs to actuator, however it is not limited to hydraulic pressure, pneumatic.In industrial control system adjust medium direction,
Flow, speed and other parameters.Solenoid valve can coordinate different circuits to realize expected control, and the precision that controls and
Flexibility can ensure.There are many kinds of solenoid valves, and different solenoid valves plays a role in the different location of control system, most often
It is check valve, safety valve, directional control valve, speed-regulating valve etc..
Header 210 includes：
Detection probe 211, for testing and analyzing the river water sample components for flowing into header 210；
Flusher 212, for rinsing header 210 with clear water among sample detection process twice.
In the present embodiment, 140 position of sampling conduit is higher than header 210, i.e., is drained in 140 bottom opening of sampling conduit,
River water sample flows under the influence of gravity into header 210, and redundant sample is directly over sampling pipe end and drains into river nearby.
Data processing module 300 is connect by PLC unit 310 with detection module 200, and the PLC unit 310 is by acquisition
It is delivered to after detection information digitized processing and data processing module 300 is sent to be analyzed and is recorded；
The PLC unit 310 is additionally operable to sampling module 100 be controlled to work normally according to default timing instructions.
The present embodiment has the following advantages that：
1) remote sampling, sample presentation can simultaneously control sampling flow；
2) sample of the online cycle analysis difference sample point of same group of probe；
3) sample cross contamination when preventing the sample from switching that has rinse-system, improves accuracy of detection；
4) it automatically analyzes and recording detection data, realization is increasingly automated.
Embodiment two
The difference lies in can set multiple detection probes 211, correspondence is set to the present embodiment with embodiment one in the present embodiment
Multiple flushers 212 are equipped with, for carrying out repeated detection to same group of river water sample.
In the present embodiment, multiple detection probes 211 are provided in header 210, are correspondingly arranged on multiple flushers
212。
For example, same river water sample after the first detection probe 211A detections, can also set the sample to pass through the second inspection
Probing head 211B is detected, and is detected by third detection probe 211C, which can be set as needed.
It is accurate to help to improve detection the advantage is that by carrying out repeated detection to same group of river water sample for the present embodiment
Degree.
Embodiment three
The difference lies in can set multiple detection probes, be correspondingly arranged the present embodiment with embodiment two in the present embodiment
There are multiple flushers, for detecting multigroup sample in the same time.
In the present embodiment, multiple detection probes 211 are provided in header 210, are correspondingly arranged on multiple flushers
212。
Such as：
River water sample A enters through drainage tube 221A in header 210, is detected by detection probe 211A；
River water sample B enters through drainage tube 221B in header 210, is detected by detection probe 211B；
River water sample C enters through drainage tube 221C in header 210, is detected by detection probe 211C.
This detects sample number and can be set as needed simultaneously.
The present embodiment is the advantage is that can be by setting multiple detection probes, and multiple detection probes detect different rivers simultaneously
Water sample greatly improves detection efficiency, saves detection time.
Example IV
The frequency converter of the water pump and control water pump sampling flow can also be that other can quantify the dress for obtaining river water sample
It puts or system.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can do various modifications or additions to described specific embodiment or replace in a similar way
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (10)
1. a kind of river water multidraw detecting and controlling system, which is characterized in that including：
Sampling module, for multipoint acquisition and conveying river water sample；
Detection module, for detecting the river water sample components；
Data processing module, for analyzing and recording the river water pattern detection data.
A kind of 2. river water multidraw detecting and controlling system as described in claim 1, which is characterized in that the sampling module packet
It includes：
Multiple water pumps, for passing through sampling pipe in multipoint acquisition river water sample；
Multiple frequency converters, for controlling testing pump sampling flow.
A kind of 3. river water multidraw detecting and controlling system as claimed in claim 2, which is characterized in that the sampling pipe import
Place is provided with filtering mesh screen, for filtering large particulate matter in river water sample.
4. a kind of river water multidraw detecting and controlling system as claimed in claim 2, which is characterized in that the sampling module is also
Including sampling conduit, for conveying river water sample.
5. a kind of river water multidraw detecting and controlling system as claimed in claim 2, which is characterized in that the sampling module is also
Including flowmeter, for measuring actual samples flow.
A kind of 6. river water multidraw detecting and controlling system as described in claim 4 or 5, which is characterized in that the sampling pipe
Road is provided with multiple services apertures, when default sampling flow differs by more than preset value with actual samples flow, can pass through services aperture
Maintenance dredging is carried out to sampling conduit.
A kind of 7. river water multidraw detecting and controlling system as described in claim 1, which is characterized in that the detection module packet
It includes：
Header, for testing and analyzing river water sample；
Valve control system, for the timesharing of river water sample to be controlled to flow into header.
A kind of 8. river water multidraw detecting and controlling system as claimed in claim 7, which is characterized in that the valve control system packet
It includes：
Drainage tube, for river water sample to be delivered to header；
Solenoid valve is installed on drainage tube, for being turned on or off the conveying of river water sample, and single sample according to pre-set programs
Single solenoid valve is only opened in this detection process.
A kind of 9. river water multidraw detecting and controlling system as claimed in claim 7, which is characterized in that the header packet
It includes：
Detection probe, for testing and analyzing the river water sample components for flowing into header；
Flusher, for rinsing header with clear water among sample detection process twice.
A kind of 10. river water multidraw detecting and controlling system as described in claim 1, which is characterized in that the data processing
Module is connect by PLC unit with detection module, and the PLC unit will be delivered to after the detection information digitized processing of acquisition and send
Data processing module is analyzed and is recorded；
The PLC unit is additionally operable to control sampling module normal work according to default timing instructions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611218771.3A CN108240920A (en) | 2016-12-26 | 2016-12-26 | A kind of river water multidraw detecting and controlling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611218771.3A CN108240920A (en) | 2016-12-26 | 2016-12-26 | A kind of river water multidraw detecting and controlling system |
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| Publication Number | Publication Date |
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| CN108240920A true CN108240920A (en) | 2018-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611218771.3A Pending CN108240920A (en) | 2016-12-26 | 2016-12-26 | A kind of river water multidraw detecting and controlling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110320069A (en) * | 2019-07-22 | 2019-10-11 | 上海业跃信息科技有限公司 | A kind of water quality on-line analysis sampler and method |
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| CN110320069A (en) * | 2019-07-22 | 2019-10-11 | 上海业跃信息科技有限公司 | A kind of water quality on-line analysis sampler and method |
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