CN103353472A - Network online water quality heavy metal analyzer - Google Patents
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- CN103353472A CN103353472A CN2013101390128A CN201310139012A CN103353472A CN 103353472 A CN103353472 A CN 103353472A CN 2013101390128 A CN2013101390128 A CN 2013101390128A CN 201310139012 A CN201310139012 A CN 201310139012A CN 103353472 A CN103353472 A CN 103353472A
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Abstract
The present invention discloses a network online water quality heavy metal analyzer, which comprises an industrial grade integrated control unit, a detection unit, an automatic sampling unit, a water sample pre-treatment unit, an external input and output unit, and a network module, wherein the industrial grade integrated control unit can automatically control the detection unit, the automatic sampling unit, the water sample pre-treatment unit and the external input and output unit through communication interfaces. According to the present invention, the modularization idea is adopted so as to conveniently expand and reduce the number and the type of the units, assemblies in the units are independent so as to be conveniently expanded and reduced, the low cost standard network cabinet is adopted so as to reduce the whole cost and conveniently process data, and to adapt to remote control requirements, the network module can conveniently perform data transmission through the wired and wireless network.
Description
Technical field
The present invention relates to the water analysis field, specifically, relate to the online water quality heavy metal analyser of a kind of network.
Background technology
The mensuration of Heavy Metals in Waters element ion is an important content of water analysis, and Heavy Metal Pollution in Water Environment is monitored used technology and mainly contained the methods such as electrochemical analysis, atomic absorption spectroscopy, inductively coupled plasma-atomic emission spectrum, inductively coupled plasma mass spectrometry analyser technology and biological monitoring at present.Existing luminosity colorimetric detection method use cost is high, detection sensitivity and precision low (ppm), reagent complicated component, easily produce secondary pollution, it is large disturbed by other compositions, and separate unit analyser measurement element is limited, can only buy many analysers if detect more element user; And atomic absorption method class and ICP quasi-instrument are expensive, and operation complexity is high, and use cost is high, are not suitable for being used for on-the-spot on-line monitoring.
Anodic stripping voltammetry (ASV) is at first invented in 19th century the '20s, and won Nobel chemistry Prize in nineteen fifty-nine for its inventor Jaroslav Heyrovsky, can be used for a kind of electrochemical analysis method that multiple metallic element carries out qualitative and quantitative analysis simultaneously.In its redox reaction process, record it and sweep the spectrum electric current, specific element can peak value occur in specific potential, and peak value size or peak area size directly reflect the ion concentration of this element, can the qualitative and quantitative analysis concentration of heavy metal ion based on this.The method has that measuring speed is fast, and detection limit is low, and measuring accuracy is better than the ppb level, and the few cost of reagent consumption is low, and can measure simultaneously the characteristics such as various metals.
Have in the market some water quality heavy metal analysers, integrated level is not high, installing/dismounting is inconvenient, data shift the situations such as inconvenience but still exist yet.
Summary of the invention
In view of this, need to overcome in the defects of the prior art at least one.The invention provides the online water quality heavy metal analyser of a kind of network, comprise technical grade integral type control module, detecting unit, automatic sampling unit, water sample pretreatment unit, external input-output unit, described it is characterized in that,
Described technical grade integral type control module is integrated technical grade main frame and large-sized monitor, and have multiple a plurality of communication interface mode;
Described detecting unit, described automatic sampling unit, described water sample pretreatment unit, described external input-output unit link by described communication interface and described technical grade integral type control module and by described technical grade integral type control module control, the workflow of the online water quality heavy metal analyser of described network sends control command by described technical grade integral type control module;
Described detecting unit quantity is more than or equal to 1, if described detecting unit quantity is then separate greater than 1 o'clock, described detecting unit can be realized described detecting unit value volume and range of product expansion and reduction by connect dismounting with described communication interface, and described detecting unit is used for measuring and analyzing water body heavy metal element ion information;
Described automatic sampling unit can be sampled automatically by described technical grade integral type control module control;
Described external input-output unit can obtain Heavy Metals in Waters element ion information and be sent to Terminal Server Client from described technical grade integral type control module by described communication interface.
Described external input-output unit can be connected to nearby controller or computing machine by simple cable, carries out the transmission of information.
Described mixed-media network modules mixed-media, can obtain Heavy Metals in Waters element ion information and use wired or wireless mode to be sent to Terminal Server Client by mixed-media network modules mixed-media from described technical grade integral type control module by described communication interface, or directly obtain Heavy Metals in Waters element ion information and use wired or wireless mode to be sent to the network remote client by mixed-media network modules mixed-media by described technical grade integral type control module.
Optimal way, described mixed-media network modules mixed-media use wireless mode to carry out the information transmission.
Described to prior art in the background technology according to the present invention, existing luminosity colorimetric detection method use cost is high, detection sensitivity and precision low (ppm), the reagent complicated component, easily produce secondary pollution, it is large disturbed by other compositions, and separate unit analyser measurement element is limited, can only buy many analysers if detect more element user; And atomic absorption method class and ICP quasi-instrument are expensive, and operation complexity is high, and use cost is high, are not suitable for being used for on-the-spot on-line monitoring; And the online water quality heavy metal analyser of network provided by the invention can use described technical grade integral type control module automatically to control described detecting unit, described automatic sampling unit, described water sample pretreatment unit, described external input-output unit by described communication interface, the present invention adopts modular thought, can easily the value volume and range of product of said units be expanded and reduce, assembly in said units inside also is separate simultaneously, can expand easily and reduce equally.
In addition, also have following additional technical feature according to the online water quality heavy metal analyser of network disclosed by the invention:
Further, described detecting unit comprises electric power system, cell level control system, pump valve drive system, liquid-way system, multichannel peristaltic pump sample introduction pipeline, and described multichannel peristaltic pump sample introduction pipeline supports that plurality of liquid passes in and out analysis cell simultaneously.Separate between each detecting unit, the electric power system that comprises in the detecting unit, cell level control system and pump valve drive system, liquid-way system etc. are also
Separate
Further, described liquid-way system and described detecting unit link, and described detecting unit comprises a plurality of liquid-way system interfaces, and described liquid-way system and described detecting unit link and detachable and installation, need not to change the firmware program in the described detecting unit, can realize the quick function expansion.
Preferably, described detecting unit comprises the leakage detection module, but the leakage situation of the described detecting unit of described leakage detection module Real-Time Monitoring, in case leakage is reported to the police immediately.
Preferably, described water sample pretreatment unit comprises the leakage detection module, but described leakage detection module Real-Time Monitoring, and the leakage situation of described water sample pretreatment unit is in case leakage is reported to the police immediately.
Preferably, described water sample pretreatment unit comprises dilution water original mold piece, and described dilution water original mold piece can carry out the water sample dilution according to default extension rate to the water sample of high concentration; Clear up the water sample module, the described water sample module of clearing up can add digestion agent and water sample and in the digestion tube of a high-temperature closed institute's water sampling processed, and the water sample after the processing is drawn in the analysis cell of each described detecting unit.
Preferably, described detecting unit comprises slab construction, and the described peristaltic pump that described detecting unit comprises, described solenoid valve, described analysis cell all are fixed on the described plate armature.
This structure vertically is fixed on the crossbeam of described network cabinet, its detecting unit comprise peristaltic pump, solenoid valve and analysis cell all be fixed on this plate armature.The upper end of this plate armature adopts perpendicular shape waist hole to fix, can up-down adjustment, its lower end is fixed on the base plate of detecting unit, fix by the horizontal waist hole on the base plate, can move forward and backward, this fixed form can adapt to the installation requirements of different occasions, and structure is more stable than other structures, and is easy to install the replacing with parts.
Preferably, the described peristaltic pump, described solenoid valve, described digestion device, described temperature controller, the described multiple-pass joint that comprise of described water sample pretreatment unit all is fixed on this slab construction.
This structure vertically is fixed on the crossbeam of described network cabinet, its water sample pretreatment unit comprise peristaltic pump, solenoid valve, digestion device, temperature controller and multiple-pass joint all be fixed on this plate armature.The upper end of this plate armature adopts perpendicular shape waist hole to fix, can up-down adjustment, its lower end is fixed on the base plate of detecting unit, fix by the horizontal waist hole on the base plate, can move forward and backward, this fixed form can adapt to the installation requirements of different occasions, and is more stable than other structures, and is easy to install the replacing with parts.
Further, the online water quality heavy metal analyser of described network comprises the surplus monitoring modular, and described surplus monitoring modular can be monitored the surplus of every kind of default monitoring reagent, if surplus is not enough, then reports to the police to Terminal Server Client.
Preferably, described automatic water sampling unit adopts U-shaped structure, has the silt separation function, at its water inlet end microfilter is installed, and at its sampling point position the water level monitoring sensor is installed.
Water sample is divided into two-way after water inlet enters, wherein one tunnel level circulation, by a level install by its discharge of order control, lead up in addition microfilter, filter the most of particle in the water sample.If there is silt etc. in the water sample, owing to there is this filtrator, can't passes through this stream, and will discharge by horizontal pipeline.Water sample by filtrator enters U-shaped pipe, and the flow of its stream is vertically arranged by order control by one, together is discharged from the water sample of horizontal pipeline by the water sample after making by this.After the water sample extraction is complete, be full of water sample in its U-shaped pipe, if there is air in the water sample, U-shaped pipe also has the aqueous vapor centrifugation.Whether detect water sample by the liquid level detector that is placed on U-shaped pipe bottom is gathered.If water sampling is normal, the water sample pretreatment unit will extract by the water sampling mouth water sample of U-shaped pipe lowermost end.
Further, described external input-output unit comprises the combination in any of hyperchannel 4-20mA input interface or hyperchannel 4-20mA output interface or multi-channel digital amount input interface or multi-channel digital amount output interface or RS232/RS485 output interface or above-mentioned interface.
Described technical grade integral type control module can send or receive data described external input-output unit by MODBUS RTU communication protocol, realizes normalization output or the PLC control of measurement result.Described external input-output unit design advantage is this unit and other unit are separate and rich interface, easily expansion interface and be applied to other on-line instruments of the same type.
Further, the online water quality heavy metal analyser of described network comprises standard network cabinet, and described technical grade integral type control module, described detecting unit, described automatic sampling unit, described water sample pretreatment unit, described external input-output unit are installed in the described standard network cabinet.
Described standard network cabinet is with low cost, can be good at reducing holistic cost.
The aspect that the present invention adds and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment below in conjunction with accompanying drawing, wherein:
Fig. 1 is structural representation of the present invention.
Fig. 2 is internal element connection diagram of the present invention.
Fig. 3 is detecting unit structural representation of the present invention.
Fig. 4 is water sample pretreatment unit structural representation of the present invention.
Fig. 5 is automatic sampling unit structural representation of the present invention.
Wherein among the figure: 10. technical grade integral type control module, 20. detecting units, 30. detecting units, 40. water sample pretreatment units, 50. automatic sampling units, 60. standard network cabinets, 70. external input-output units, 80 mixed-media network modules mixed-medias.21. analysis cell, 22. peristaltic pumps, 23 BULKHEAD UNION, 24. solenoid valves, 25. pairs of electrodes, 26. stirrers, 27. contrast electrodes, 28. working electrodes.41. peristaltic pump, 42. solenoid valves, 43. BULKHEAD UNION, 44. temperature controllers, 45. counteracting tanks, 46. solid-state relays, 47. multiple-pass joints.51. microfilter, 52. water sample inlet ports, 53. water sampling mouths, 54. liquid level detecting sensors, 55. levels are by order, and 56. vertically by order, 57. water sample escape holes.
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Embodiment
The below describes embodiments of the invention in detail, and the example of described embodiment is shown in the drawings, and wherein identical or similar label represents identical or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " on ", orientation or the position relationship of the indications such as D score, " end ", " top ", 'fornt', 'back', " interior ", " outward ", " left side ", " right side " be based on orientation shown in the drawings or position relationship, only be for convenience of description the present invention and simplified characterization, rather than indication or the hint device of indication or element must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.
In description of the invention, need to prove, unless clear and definite regulation and restriction are arranged in addition, term " connection ", " connection ", " linking to each other ", " connection " should be done broad understanding, for example, can be to be fixedly connected with, connecting integratedly, also can be to removably connect; It can be the connection of two element internals; Can be directly to link to each other, also can indirectly link to each other by intermediary, for the ordinary skill in the art, can concrete condition understand above-mentioned term concrete meaning in the present invention.
Inventive concept of the present invention is as follows, as described in technical background, the online water quality heavy metal analyser of network provided by the invention can use described technical grade integral type control module automatically to control described detecting unit by described communication interface, described automatic sampling unit, described water sample pretreatment unit, described external input-output unit, the present invention adopts modular thought, can easily the value volume and range of product of said units be expanded and reduce, assembly in said units inside also is separate simultaneously, can expand easily and reduce equally, adopting cheaply, standard network cabinet can reduce holistic cost.
The online water quality heavy metal analyser of network of the present invention is described below with reference to accompanying drawings, wherein Fig. 1 is structural representation of the present invention, Fig. 2 is internal element connection diagram of the present invention, Fig. 3 is detecting unit structural representation of the present invention, and Fig. 4 is water sample pretreatment unit structural representation of the present invention.Fig. 5 is automatic sampling unit structural representation of the present invention.
According to embodiments of the invention, as shown in Figure 1, 2, the online water quality heavy metal analyser of network provided by the invention, comprise technical grade integral type control module 10, detecting unit (20,30), automatic sampling unit 50, water sample pretreatment unit 40, external input-output unit 70, mixed-media network modules mixed-media 80, described technical grade integral type control module 10 is integrated technical grade main frame and large-sized monitor, and have multiple a plurality of communication interface mode; Described detecting unit (20,30), described automatic sampling unit 50, described water sample pretreatment unit 40, described external input-output unit 70 link by described communication interface and described technical grade integral type control module 10 and by described technical grade integral type control module 10 controls, the workflow of the online water quality heavy metal analyser of described network sends control command by described technical grade integral type control module 10; Described detecting unit (20,30) quantity is more than or equal to 1, if described detecting unit quantity is then separate greater than 1 o'clock, described detecting unit (20,30) can realize described detecting unit (20 by connect dismounting with described communication interface, 30) value volume and range of product expansion and reduction, described detecting unit (20,30) be used for measuring and analyzing water body heavy metal element ion information, described mixed-media network modules mixed-media 80(is as shown in Figure 2) can obtain Heavy Metals in Waters element ion information and use wired or wireless mode to be sent to Terminal Server Client by mixed-media network modules mixed-media 80 from described technical grade integral type control module 10 by described communication interface, or directly obtain Heavy Metals in Waters element ion information and use wired or wireless mode to be sent to the network remote client by mixed-media network modules mixed-media 80 by described technical grade integral type control module 10, be 2 at the described detecting unit shown in Fig. 1; Described automatic sampling unit 50 can be sampled automatically by described technical grade integral type control module 10 controls; Described external input-output unit 70 can obtain Heavy Metals in Waters element ion information and be sent to Terminal Server Client from described technical grade integral type control module 10 by described communication interface.
Annexation between each unit as shown in Figure 2, the online water quality heavy metal analyser of whole network presents star structure, technical grade integral type control module 10 is cores of total, other unit are controlled by it.
Technical grade integral type control module 10 is responsible for the functions such as task scheduling, order transmission and status surveillance of whole analyser.Control a plurality of separate detecting units (20,30), automatically sampling unit 50, water sample pretreatment unit 40, externally each action of input-output unit 70 by it, and this action can be defined freely by the user.
According to some embodiments of the present invention, described detecting unit (20,30) comprises electric power system, cell level control system, pump valve drive system, liquid-way system, multichannel peristaltic pump sample introduction pipeline, and described multichannel peristaltic pump sample introduction pipeline supports that plurality of liquid passes in and out analysis cell simultaneously.
Electric power system provides various power supplys for control system, pump valve drive system, and liquid-way system is that peristaltic pump, solenoid valve, analysis cell are connected into an integral body turnover sample system by the silica gel hose of corrosion resistance.
Further, described liquid-way system and described detecting unit (20,30) link, described detecting unit (20,30) comprises a plurality of liquid-way system interfaces, described liquid-way system and described detecting unit link and detachable and installation, need not to change the firmware program in the described detecting unit, can realize the quick function expansion.
Further, described liquid-way system comprises that also reagent extracts interface, and reagent enters analysis cell by this interface via peristaltic pump etc.Fixing for the reagent type that extracts, need not to change the firmware program of the bottom control system of this unit, only carry out easy configuration by the software to the integral type control module and can realize different test functions.
According to some embodiments of the present invention, described detecting unit (20,30) comprises the leakage detection module, but the leakage situation of the described detecting unit of described leakage detection module Real-Time Monitoring (20,30), in case leakage is reported to the police immediately.
According to some embodiments of the present invention, described water sample pretreatment unit 40 comprises the leakage detection module, but the leakage situation of the described water sample pretreatment unit 40 of described leakage detection module Real-Time Monitoring, in case leakage is reported to the police and is stopped to measure to Terminal Server Client immediately.
According to some embodiments of the present invention, described water sample pretreatment unit 40 comprises dilution water original mold piece, and described dilution water original mold piece can carry out the water sample dilution according to default extension rate to the water sample of high concentration; Clear up the water sample module, the described water sample module of clearing up can add digestion agent and water sample and in the digestion tube of a high-temperature closed institute's water sampling processed, and the water sample after the processing is drawn in the analysis cell of each described detecting unit.
According to some embodiments of the present invention, described detecting unit (20,30) comprises that described peristaltic pump, described solenoid valve, described analysis cell that slab construction, described detecting unit comprise all are fixed on the described plate armature.
According to some embodiments of the present invention, described water sample pretreatment unit 40 comprises slab construction, and the described peristaltic pump that described water sample pretreatment unit comprises, described solenoid valve, described digestion device, described temperature controller, described multiple-pass joint all are fixed on this slab construction.
According to some embodiments of the present invention, the online water quality heavy metal analyser of described network comprises the surplus monitoring modular, and described surplus monitoring modular can be monitored the surplus of every kind of default monitoring reagent, if surplus is not enough, then reports to the police and stops to measure to Terminal Server Client.
According to some embodiments of the present invention, described automatic water sampling unit 50 adopts U-shaped structure, has the silt separation function, at its water intake end microfilter is installed, and at its sampling point position the water level monitoring sensor is installed.
Water sample is divided into two-way after water inlet 52 enters, wherein one tunnel level circulation, by a level install by making 55 its discharges of control, lead up in addition microfilter 51, filter the most of particle in the water sample.If there is silt etc. in the water sample, owing to there is this filtrator, can't passes through this stream, and will discharge by horizontal pipeline.Water sample by filtrator enters U-shaped pipe, and the flow of its stream is vertically arranged by making 56 controls by one, together is discharged from the water sample of horizontal pipeline by the water sample after making by this.After the water sample extraction is complete, be full of water sample in its U-shaped pipe, if there is air in the water sample, U-shaped pipe also has the aqueous vapor centrifugation.Whether detect water sample by the liquid level detector 54 that is placed on U-shaped pipe bottom is gathered.If water sampling is normal, the water sample pretreatment unit will extract by water sampling mouth 53 water sample of U-shaped pipe lowermost end.
According to some embodiments of the present invention, described external input-output unit comprises the combination in any of hyperchannel 4-20mA input interface or hyperchannel 4-20mA output interface or multi-channel digital amount input interface or multi-channel digital amount output interface or RS232/RS485 output interface or above-mentioned interface.
According to some embodiments of the present invention, the online water quality heavy metal analyser of described network comprises standard network cabinet, and described technical grade integral type control module 10, described detecting unit (20,30), described automatic sampling unit 50, described water sample pretreatment unit 40, described external input-output unit 70 are installed in the described standard network cabinet 60.
The measurement procedure of the online water quality heavy metal analyser of this network can be disposed by the software flexible in the integral type control module by the user fully, also can be written into the canonical measure flow process by this software and realize measurement function.
According to some embodiments of the present invention, adopt to be written into the canonical measure flow process:
Integral type control module 10 sends to water sample pretreatment unit 40 and takes the water sample order, water sample pretreatment unit 40 according to gained order control automatic sampling unit 50 and extract water samples, after liquid level detecting sensor has detected water sample, extract water samples and digestion agent in counteracting tank and send startup by integral type control module 10 control water sample pretreatment units 40 and clear up order, water sample pretreatment unit 40 according to the gained order by temperature controller 44 and solid-state relay 46 automatically the temperature stabilization in the control counteracting tanks 45 in design temperature, after continuing setting-up time, by its automatic coolings of integral type control module 10 control, be cooled to after the room temperature for each detecting unit (20,30) analysis to measure.
In the water sample pre-treatment simultaneously, integral type control module 10 is to each detecting unit (20,30) sender electrode performance maintenance order, after each detecting unit (20,30) is finished electrode performance and is safeguarded, by the analysis cell 21 in integral type control module 10 emptying each detecting unit of control (20,30) and clean up; Add corresponding electrolytic solution and deionized water in the analysis cell 21 of each detecting unit (20,30) as blank sample by integral type control module 10 control, carry out blank measure, the gained spectral line data is uploaded to integral type control module 10 as blank sample spectral line; Finish and control each detecting unit (20,30) behind the blank measure again continue to add a small amount of titer as standard sample in analysis cell 21 separately, carry out standard sample and measure, the gained spectral line data is uploaded to integral type control module 10 as the standard sample spectral line; Finish and control again the emptying analysis cell 21 separately of each detecting unit (20,30) after standard sample is measured, and clean up with deionized water; Then order each detecting unit (20,30) in analysis cell 21 separately, to add corresponding electrolytic solution, and by the complete water sample to be measured of water sample pretreatment unit 40 pre-treatments as treating test sample, treat the test sample measurement, the gained spectral line data is uploaded to integral type control module 10 as treating the test sample spectral line.
In the present embodiment, the sample introduction of every kind of each unit reagent or the amount of moving back sample are all finished by the peristaltic pump (22,41) of integral type control module 10 each unit of control.Each unit relates to when mixing sample introduction, is also all finished by solenoid valve (24, the 42) switching of each unit of control by integral type control module 10.
Integral type control module 10 obtains blank sample spectrogram, standard sample spectrogram and behind the test sample spectrogram by start measuring from each detecting unit, automatically to the spectral data analysis, the concentration value that obtains corresponding element to be measured is shown on the LCDs of integral type control module 10, perhaps be transferred to Terminal Server Client by external input-output unit 70, give the alert notice Terminal Server Client for surpassing the result who sets restriction.
Although with reference to a plurality of illustrative examples of the present invention the specific embodiment of the present invention is described in detail, but it must be understood that, those skilled in the art can design multiple other improvement and embodiment, and these improve and embodiment will drop within the spirit and scope.Particularly, within the scope of aforementioned open, accompanying drawing and claim, can make rational modification and improvement aspect the layout of parts and/or subordinate composite configuration, and can not break away from spirit of the present invention.Except modification and the improvement of parts and/or layout aspect, its scope is limited by claims and equivalent thereof.
Claims (12)
1. the online water quality heavy metal analyser of network comprises technical grade integral type control module, detecting unit, automatic sampling unit, water sample pretreatment unit, external input-output unit, mixed-media network modules mixed-media, described it is characterized in that,
Described technical grade integral type control module is integrated technical grade main frame and large-sized monitor, and have multiple a plurality of communication interface mode;
Described detecting unit, described automatic sampling unit, described water sample pretreatment unit, described external input-output unit link by described communication interface and described technical grade integral type control module and by described technical grade integral type control module control, the workflow of the online water quality heavy metal analyser of described network sends control command by described technical grade integral type control module;
Described detecting unit quantity is more than or equal to 1, if described detecting unit quantity is then separate greater than 1 o'clock, described detecting unit can be realized described detecting unit value volume and range of product expansion and reduction by connect dismounting with described communication interface, and described detecting unit is used for measuring and analyzing water body heavy metal element ion information;
Described automatic sampling unit can be sampled automatically by described technical grade integral type control module control;
Described external input-output unit can obtain Heavy Metals in Waters element ion information and be sent to Terminal Server Client from described technical grade integral type control module by described communication interface;
Described mixed-media network modules mixed-media, can obtain Heavy Metals in Waters element ion information and use wired or wireless mode to be sent to Terminal Server Client by mixed-media network modules mixed-media from described technical grade integral type control module by described communication interface, or directly obtain Heavy Metals in Waters element ion information and use wired or wireless mode to be sent to the network remote client by mixed-media network modules mixed-media by described technical grade integral type control module.
2. the online water quality heavy metal analyser of network according to claim 1, it is characterized in that, described detecting unit comprises electric power system, cell level control system, pump valve drive system, liquid-way system, multichannel peristaltic pump sample introduction pipeline, described multichannel peristaltic pump sample introduction pipeline supports that plurality of liquid passes in and out analysis cell simultaneously, separate between the described detecting unit, its inner ingredient
Independent mutually
3. the online water quality heavy metal analyser of network according to claim 2, it is characterized in that, described liquid-way system and described detecting unit link, described detecting unit comprises a plurality of liquid-way system interfaces, described liquid-way system and described detecting unit link and detachable and installation, need not to change the firmware program in the described detecting unit, can realize the quick function expansion.
4. the online water quality heavy metal analyser of network according to claim 1 is characterized in that described detecting unit comprises the leakage detection module, but the leakage situation of the described detecting unit of described leakage detection module Real-Time Monitoring, in case leakage is reported to the police immediately.
5. the online water quality heavy metal analyser of network according to claim 1, it is characterized in that, described water sample pretreatment unit comprises the leakage detection module, but the leakage situation of the described water sample pretreatment unit of described leakage detection module Real-Time Monitoring, in case leakage is reported to the police immediately.
6. the online water quality heavy metal analyser of network according to claim 1 is characterized in that, described water sample pretreatment unit comprises dilution water original mold piece, and described dilution water original mold piece can carry out the water sample dilution according to default extension rate to the water sample of high concentration; Clear up the water sample module, the described water sample module of clearing up can add digestion agent and water sample and in the digestion tube of a high-temperature closed institute's water sampling processed, and the water sample after the processing is drawn in the analysis cell of each described detecting unit.
7. the online water quality heavy metal analyser of network according to claim 1, it is characterized in that, described detecting unit comprises slab construction, and the described peristaltic pump that described detecting unit comprises, described solenoid valve, described analysis cell all are fixed on the described plate armature.
8. the online water quality heavy metal analyser of network according to claim 1, it is characterized in that, described water sample pretreatment unit comprises slab construction, and the described peristaltic pump that described water sample pretreatment unit comprises, described solenoid valve, described digestion device, described temperature controller, described multiple-pass joint all are fixed on this slab construction.
9. the online water quality heavy metal analyser of network according to claim 1, it is characterized in that, the online water quality heavy metal analyser of described network comprises the surplus monitoring modular, described surplus monitoring modular can be monitored the surplus of every kind of default monitoring reagent, if surplus is not enough, then report to the police to Terminal Server Client.
10. the online water quality heavy metal analyser of network according to claim 1, it is characterized in that described automatic water sampling unit adopts U-shaped structure, has the silt separation function, at its water intake end microfilter is installed, at its sampling point position the water level monitoring sensor is installed.
11. the online water quality heavy metal analyser of network according to claim 1, it is characterized in that described external input-output unit comprises the combination in any of hyperchannel 4-20mA input interface or hyperchannel 4-20mA output interface or multi-channel digital amount input interface or multi-channel digital amount output interface or RS232/RS485 output interface or above-mentioned interface.
12. the online water quality heavy metal analyser of network according to claim 1, it is characterized in that, the online water quality heavy metal analyser of described network comprises standard network cabinet, and described technical grade integral type control module, described detecting unit, described automatic sampling unit, described water sample pretreatment unit, described external input-output unit are installed in the described standard network cabinet.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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