CN207351954U - Multi parameter water quality system - Google Patents

Abstract

The utility model discloses a kind of multi parameter water quality system, including computer computer and measuring electrode, further including from water source can guide detected water sample into measured zone or laboratory and the controllable detected water sample at the uniform velocity control peristaltic pump of voltage stabilizing flowing and can install with control peristaltic pump connection and at least the integrated form flow cell module of measuring electrode and be connected by conducting wire with the measuring electrode in the flow cell module to obtain the multi-parameter electrode data Acquisition Instrument of data；The computer computer is connected to send order to it by conducting wire with the multi-parameter electrode data Acquisition Instrument, also, the data-signal that multi-parameter electrode data Acquisition Instrument can be collected by being provided with the computer computer carries out the electrode data processing system of processing analysis.The utility model is a kind of multi-parameter water quality measurement scheme applied to different industries and working environment, provide specialty, accurately measurement at the same time, and lossless tested water source.

Description

Multi parameter water quality system

Technical field

Water quality measurement technical field is the utility model is related to, more specifically, it relates to a kind of multi parameter water quality system System.

Background technology

Electrochemical electrode method is to be tested the activity of component by measuring water sample, so as to obtain its concentration in solution.Electrification Electrode method is learned because its installation cost is low, easy to operate, configuration flexibly, be not stained detected water sample or solution system and fast should For mobile monitoring and automated detection system, it is particularly suitable for the big data collection such as on-line checking and monitoring, such as：Scientific research, reality Test the lab scale or the parameter experiment in pilot scale stage or the ultimate life of product limit of room, the constituent analysis of resource exploration, production line Feed intake, the change in process of product, the water quality detection of farming fishery, quality supervision of ecological environment water sample etc..Common electrochemical electrode Method, is the electrode by configuring various corresponding parameters, such as：The pH electrodes of acid-base value, dissolved oxygen electrode of oxicity etc., insert electrode Enter to be fixed on the flow cell specially designed, directly measurement drainage original water sample, but this kind of method often bring it is a series of The problem of：

1st, the size of electrode is different.The diameter of universal laboratory electrodes：Temperature electrode is 3 to 6mm, pH and ion etc. its His electrode is 8 to 16mm.Usual electrode is all and respective brand instrument configuration, same electrode, different institutes of manufacturer Also it is same not to the utmost for the diameter of design, may not can dock third party's instrument, and measurement every time is required to design different flow cells, labor Fatigue resistance is big, of high cost；And the electrode of industrial electrode type has been due to having mixed reinforcement protection design, volume bigger can not be to little Rong The sample measurement of device, also, difficult to install, cost higher；

2nd, universal laboratory electrodes are not suitable for the scenes of adverse circumstances and work online, and industrial electrode can be used directly Some exploitation formulas production scene or circulation groove, but when be often limited by its volume and high price.If detected water sample is In enclosed environment, such as：Boiler, food fermentation groove etc., open up one and accommodate multielectrode working face, then need higher and complicated The cost of installation；

3rd, the water volume flow rate of flow cell is excessive, and measurement sensing element that may be to electrode produces certain impact, accelerates mill Damage, reduce working life；

4th, in the current water of continuous speed change, circuit electric field also changes electrode constantly, is led to measurement data not Stablize.

Utility model content

The technical problems to be solved in the utility model is the above-mentioned deficiency for the prior art, there is provided it is a kind of it is easy to operate, It is applied widely, effectively improve the multi parameter water quality system of measurement accuracy.

The technical solution of the utility model is such：A kind of multi parameter water quality system, including computer computer and Measuring electrode, detected water sample can be guided into measured zone or laboratory and controllable detected water sample at the uniform velocity voltage stabilizing from water source by further including The control peristaltic pump of flowing and connected with the control peristaltic pump and the integrated form circulation of measuring electrode can be at least installed Pond module and it is connected by conducting wire with the measuring electrode in the flow cell module to obtain the multi-parameter electrode data of data Acquisition Instrument；The computer computer is connected to send life to it by conducting wire with the multi-parameter electrode data Acquisition Instrument Order, also, be provided with the computer computer at the data-signal that can be collected to multi-parameter electrode data Acquisition Instrument Manage the electrode data processing system of analysis.

Further, the flow cell module includes flow cell body, and the flow cell body is all provided with both sides up and down There is horizontally disposed cutting plane, one of cutting plane is equipped with multiple electrode holes being arranged in juxtaposition, and described is multiple Electrode hole be equipped be used for install measuring electrode electrode cover admittedly or the sealing gland for closing the electrode hole at least It is a kind of coupled.

Further, the flow cell body both ends are additionally provided with the fluid bore for detected water sample disengaging, the stream The fluid cavity for connecting the fluid bore with each electrode hole is equipped with logical pond body.

Further, the multi-parameter electrode data Acquisition Instrument be equipped with it is multiple with by the letter of electrode measurement signal collection Number input interface, the signal input interface and quantity, the type of the measuring electrode in the flow cell module correspond, Correspondingly, the signal output that multiple data-signals by after conversion export is additionally provided with the multi-parameter electrode data Acquisition Instrument Interface.

Further, the control peristaltic pump is equipped with the water pipe phase of water inlet pump line and the live water source of detected water sample Even, correspondingly, the control peristaltic pump is connected equipped with water outlet pump line with the water pipe of the flow cell module.

Beneficial effect

The utility model compared with prior art, has the following advantages that：

1st, the utility model is designed reasonably, the correction of its measuring system are stirred by controlling peristaltic pump to form standard specimen automatic cycle Action is mixed, without blender, straightened up in place can be carried out, more effectively ensures the accuracy of measuring system；

2nd, the utility model obtains the detected water sample of at the uniform velocity normal pressure using control peristaltic pump, and stabilization is provided for measuring electrode Working environment, be allowed to be in optimal working status, improve the precision of measurement, avoid due to detected water sample and measuring electrode Between fluid impact, the abrasion to electrode measurement element, extends the working life of electrode, also, its peristaltic pump can be inhaled Remote measured water sample is taken, multi-parameter water quality measuring system is installed at away from live adverse circumstances, is follow-up Measuring device has stopped abundant working space with a line scene, is set without specially changing production, suitable for different industries With different working environments；

3rd, the utility model, can be according to actual need by that can install the integrated form flow cell modules of multiple measuring electrodes Will, installation and the Laboratary type measuring electrode of required measurement parameter in flow cell module, realize and measure many kinds of parameters at the same time Water quality, broken the limitation of universal one line onsite application of laboratory electrodes, be to promote electrode method in industrial line scene Application provide the technical support of hard thickness, accelerate the conversion paces between research and development and industry.Also, the electrode of flow cell can To share a frame of reference, without separately putting reference electrode, measurement difficulty and measurement cost are greatly reduced；

4th, the modular flow cell component in the utility model, the electrode data capture card of modular, it is comprehensive providing Multi-parameter technology while, more can be neatly special for different industries and application, there is provided best solution, configuration Corresponding measurement in a closed series parameter system, more effectively promotes the application of the multi-parameter water quality measurement of electrode method, also, one line number According to collection and real-time display, processing, analysis, storage etc., can operate and control in computer screen by running special-purpose software, Detection in real time and monitoring, it is easy to operate；

5th, the data format that the analysis system of the utility model is obtained is compatible, and measurement data can be with text formatting (CSV) store, can quickly export to the third party system of Depth Study, or secondary research and development, remote switch, and it is possible to External compatible with shared, dedicated electrode data processing system software supports microsoft operation system Windows XP/7/8/ comprehensively 10, purchased without special train, while the expense of saving, fully enjoy other functions of Microsoft platform.

Brief description of the drawings

Fig. 1 is the systematic schematic diagram of the utility model；

Fig. 2 is the structure diagram of flow cell module in the utility model；

Fig. 3 is the structure diagram that peristaltic pump is controlled in the utility model；

Fig. 4 is the dimensional structure diagram after the utility model installation.

Wherein：1- controls peristaltic pump, 2- flow cells module, 3- measuring electrodes, 4- multi-parameter electrode datas Acquisition Instrument, 5- meters Calculate electromechanical brain, 6- electrode datas processing system, 7- signal input interfaces, 8- signal output interfaces, 1a- water inlets pump line, 1b- water outlets Pump line, 2a-flow cell body, 2b- cutting planes, 2c- electrode holes, 2d- electrodes cover admittedly, 2e- sealing glands, 2f- fluid bores, 2g- Fluid cavity, 2h- fixing threaded holes.

Embodiment

Specific embodiment in below in conjunction with the accompanying drawings is described further the utility model.

Refering to Fig. 1-4, a kind of multi parameter water quality system of the utility model, including computer computer 5 and measurement electricity Pole 3, detected water sample can be guided into measured zone or laboratory and the at the uniform velocity voltage stabilizing flowing of controllable detected water sample from water source by further including Control peristaltic pump 1 and connected with the control peristaltic pump 1 and the integrated form flow cell of a measuring electrode 3 can be at least installed Module 2 and it is connected by conducting wire with the measuring electrode 3 in the flow cell module 2 to obtain the multi-parameter electrode data of data Acquisition Instrument 4；The computer computer 5 is connected to be sent to it by conducting wire with the multi-parameter electrode data Acquisition Instrument 4 Order, also, be provided with the computer computer 5 can to multi-parameter electrode data Acquisition Instrument 4 collect data-signal into The electrode data processing system 6 of row processing analysis.The utility model obtains the tested water of at the uniform velocity normal pressure using control peristaltic pump 1 Sample, the working environment of stabilization is provided for measuring electrode 3, is allowed to be in optimal working status, improves the precision of measurement, avoid Due to the fluid impact between detected water sample and measuring electrode 3, the abrasion to electrode measurement element, extends work longevity of electrode Life, also, its peristaltic pump can draw measured water sample at a distance, allow multi-parameter water quality measuring system away from scene Installed at adverse circumstances, abundant working space has been stopped with a line scene for follow-up measuring device, without specially changing production Set, suitable for different industries and different working environments.

In the present embodiment, its flow cell module 2 includes flow cell body 2a, is the cylinder component of an independent traverse, Horizontally disposed cutting plane 2b is equipped with the both sides up and down of flow cell body 2a, for two planes being arranged symmetrically, makes circulation Pond can be stably placed on experimental bench, and easy to measure, one of which cutting plane 2b is equipped with multiple be arranged in juxtaposition Electrode hole 2c, is spaced substantially equidistant along the axial direction of flow cell body 2a, is equipped with the 2c of multiple electrodes hole and is used to install measurement It is coupled that the electrode of electrode 3 covers at least one of 2d or the sealing gland 2e for enclosed-electrode hole 2c admittedly, wherein, electrode 2d is covered admittedly by electrode in the electrode hole 2c, during practical application, it is only necessary to adjust electrode and cover 2d admittedly, you can measurement is joined The required electrode of number is fixed on flow cell, and it is not necessary to modify flow cell, and it is the seal nipple containing elastic tape that electrode covers 2d admittedly, uses In fastening and enclosed electrode, prevent electrode from producing axial displacement and radial rotary, influence electrode normal work, sealing gland 2e leads to The modes such as threaded connection are crossed to be connected on electrode hole 2c, can be the parameter that need not temporarily measure, by close in application process Sealed cover 2e closes electrode hole 2c；The fluid bore for detected water sample disengaging is additionally provided with flow cell body 2a both ends 2f, for connecting other instruments or disengaging water pump pipeline, is equipped with fluid bore 2f and each electrode hole in flow cell body 2a The fluid cavity 2g of 2c connections, forms a fluid flow paths, to be measured to water quality.The utility model is simple in structure, It is easily installed, the structure of its integral type, reduces the volume of flow cell, be integrated with the installation of polytype electrode, extend stream The scope of application in logical pond, it is versatile, it can independently be placed in testing stand, flexible and convenient operation.

Wherein, control peristaltic pump 1 to be equipped with water inlet pump line 1a with the water pipe at the live water source of detected water sample to be connected, accordingly , control peristaltic pump 1 is connected equipped with water outlet pump line 1b with the water pipe of flow cell module 2；Being additionally provided with control peristaltic pump 1 can Control the flow velocity of detected water sample and the control button of hydraulic pressure；Its fluid bore 2f can be with the water outlet pump line 1b or stream of control peristaltic pump 1 Waterpipe or expanded mode any one connection in the block of logical pond module 2, when fluid bore 2f is connected with control peristaltic pump 1, control The water inlet pump line 1a of peristaltic pump 1 processed connects detected water sample source by pipeline, one of its water outlet pump line 1b connection flow cells module 2 Fluid bore 2f, in this way, the fluid bore 2f of the opposite side of flow cell module 2, can connect water pipe or the connection extension of flow cell module 2 Module, forms complete measurement pipeline, with the quantity for reaching discharge detected water sample or extending measuring electrode 3, and the work of peristaltic pump With the entry/exit for being control detected water sample, there is provided slow-action fluid, ensures that electrode is in normal working environment；Above-mentioned each instrument Seal between device or pipeline is O-shaped rubber seal, it is ensured that pipeline leakproofness.

Wherein, electrode covers the diameter range of 2d between 3mm~16mm admittedly, can be with pH electrodes, dissolved oxygen electrode, redox Any one connection in electrode, conductance electrode, temperature electrode or all kinds of ion-selective electrodes, that is, have corresponding all kinds The electrode of electrode size covers 2d admittedly, during practical application, it is only necessary to adjusts electrode and covers 2d admittedly, you can with measurement parameter Required electrode is fixed on flow cell, and it is not necessary to modify flow cell；Meanwhile cover admittedly between 2d and electrode hole 2c in electrode, electrode Admittedly it is all provided between set 2d and sealing gland 2e and between fluid bore 2f and control peristaltic pump 1 or flow cell outlet pipe or expansion module There is rubber seal (not shown), it is ensured that the leakproofness between flow cell module 2 and various instruments and electrode；Its fluid bore The axial line of 2f and the axial line of fluid cavity 2g coincide, and prevent liquid communication direction change and become liquid intermediate ion state Change, easy to the circulation of liquid, also, the axial line of electrode hole 2c is perpendicular with the axial line of fluid cavity 2g, it is ensured that electrode with Liquid levels contact；Finally, with electrode hole 2c phases back to side cutting plane 2b on be equipped with it is multiple be used for flow cell is installed The fixing threaded hole 2h of module 2, can be bolted on workbench, flow cell module 2 both can be independently placed in experiment Platform, can also be fixedly mounted on working face or cabinet, easy for installation.

In the present embodiment, be equipped with multi-parameter electrode data Acquisition Instrument 4 it is multiple with by the letter of electrode measurement signal collection Number input interface 7, also, signal input interface 7 and quantity, the type of the measuring electrode 3 in flow cell module 2 correspond, Connect correspondingly, being additionally provided with the signal output that multiple data-signals by after conversion export on multi-parameter electrode data Acquisition Instrument 4 Mouth 8, which is RS232 communication interfaces, and USB/RS232 interfaces, its multi-parameter are equipped with computer computer 5 Electrode data Acquisition Instrument 4 is connected by data cable with computer computer 5, correspondingly, in electrode data processing system 6 be equipped with The corresponding USB/RS232 communication interfaces of signal output interface 8 on multi-parameter electrode data Acquisition Instrument 4, to form complete letter Number transmit circuit.

A kind of multi parameter water quality method, comprises the following steps：

(1) water sample obtains：By controlling peristaltic pump 1 that detected water sample is drained to measurement zone from the live water source of adverse circumstances Domain or laboratory, to obtain the detected water sample of voltage stabilizing speed stabilizing flowing, wherein, measured zone or lab setup are away from live water The position in source, it controls peristaltic pump 1 to be arranged in measured zone or laboratory, and detected water sample is drained by water pipe；

(2) water sample measures：Detected water sample in above-mentioned steps 1, which is drained to, can at least accommodate the flow cell mould of an electrode On block 2, the measuring electrode 3 corresponding with the parameter for needing to measure in grafting in flow cell module 2, to realize, measurement has at the same time The water quality of many kinds of parameters, wherein, for flow cell module 2 with different electrodes is arranged with, detected water sample is drained to circulation by water pipe The inner cavity of pond module 2, and detected water sample is contacted with the sensing element of electrode, form potential circuit；

(3) data acquisition：The measuring signal of each measuring electrode 3 is collected using multi-parameter electrode data Acquisition Instrument 4, and Data-signal is formed by buffering removal of impurities and format conversion；

(4) data processing：Data-signal in above-mentioned steps 3 is conveyed in computer computer 5, at electrode data Data-signal is handled, is analyzed, stored, shown by reason system 6, and is preserved in the form of text formatting to obtain accurate survey Measure data.

In the present embodiment, which further includes the step of measuring system corrects, which is applied to before step 1, I.e. in order to improve the accuracy of measurement, it is necessary to which electrode alignment to measurement, the concrete operations of the aligning step are that control is wriggled The water inlet pump line 1a and water outlet pump line 1b of pump 1 are put into correction container at the same time, and then starting control peristaltic pump 1 makes standard specimen follow automatically Ring forms stirring action, you can carries out conventional electrodes correction, without blender, can carry out straightened up in place, more effectively ensures to survey The accuracy of amount system.

In the present embodiment, in step 1, control peristaltic pump 1 is to carry out alternately extruding and release by pump line to pump quilt Water sample is surveyed, when controlling peristaltic pump 1 to run, detected water sample flows through flow cell module with uniform flow velocity, normal work water pressure 2, the waterpipe discharge by flow cell module 2, when controlling peristaltic pump 1 to stop, water sample is isolated in pump line, detected water sample Stop the pond that circulates, the measuring electrode 3 in flow cell module 2 is in normal state, changes from exterior detected water sample Influence, that is, control peristaltic pump 1 play the role of protection electrode 3, wherein, control peristaltic pump 1 rotating speed be maintained at 33ml/ Between min~49ml/min, the rotating speed of preferably peristaltic pump is maintained at 41ml/min, to be further ensured that various in detected water sample treat The activity of component is surveyed, normal working environment is provided for measuring electrode 3.

In step 2, the detected water sample by flow cell module 2 is led back to water sample source, follow-up water outlet by water pipe Reason portion or expansion module, wherein, detected water sample directly lead back water sample source or it is follow-up go out water-handling portion would can avoid pollution environment, And detected water sample is led back to expansion module, its expansion module is the structure identical with flow cell module 2, can increase measuring electrode 3 quantity, the parameter for actually increasing while measuring, the measuring electrode 3 in flow cell module 2 are universal laboratory electricity Pole, has broken the limitation of universal one line onsite application of laboratory electrodes, to promote electrode method answering in industrial line scene With the technical support for providing hard thickness, the conversion paces between research and development and industry are accelerated.Also, all measuring electrodes 3 are common A frame of reference is enjoyed, such as in four parameter measurements of 1xpH, 3x ion, 3 ion selection working electrodes can share one The frame of reference of compound pH electrodes, puts reference electrode without another, reduces measurement cost.

In step 3, its multi-parameter electrode data Acquisition Instrument 4 is directed to different types of measuring electrode 3, passes through different electricity Pole card different signals is handled respectively by formed it is separately or combined in the form of electrode data signal, send to its RS232 number Word interface, wherein, according to the characteristic of electrode, the electrode card of multi-parameter electrode data Acquisition Instrument 4 can be handled respectively：PH/ ions/ Redox, dissolved oxygen, conductance, the signal of temperature electrode.Comprehensive electrode data collection can be provided, can also be on demand The special electrode data collection of combination is provided；In step 4, electrode data processing system 6 is when handling data, also at the same time to more Parameter data acquisition instrument 4 sends the signal of execute instruction and gathered data.The analysis method of the utility model, one line number evidence Collection and real-time display, processing, analysis, storage etc., can operate in computer screen and control by running special-purpose software, realize Detection in real time and monitoring；Its measurement data is stored with text formatting (CSV), can quickly be exported to the third party system of Depth Study System, such as：Labview etc.；Secondary research and development；Or remote switch, such as：Local exchange is carried out by Ethernet, or passes through Wifi high in the clouds Docking etc., realizes data format compatibility；Its dedicated 6 software of electrode data processing system supports microsoft operation system comprehensively Windows XP/7/8/10, are purchased without special train, while the expense of saving, fully enjoy other functions of Microsoft platform, Such as：Screenshotss, export Excel enjoy the functions such as its powerful report, picture and text, printing, realize data compatibility with sharing.

Above-described is only the preferred embodiment of the utility model, it should be pointed out that is come for those skilled in the art Say, on the premise of the utility model structure is not departed from, several modifications and improvements can also be made, these are all without this reality of influence With the effect and practical applicability of new implementation.

Claims (5)

1. a kind of multi parameter water quality system, including computer computer (5) and measuring electrode (3), it is characterised in that further include The control that detected water sample can be guided into measured zone or laboratory and the at the uniform velocity voltage stabilizing flowing of controllable detected water sample from water source is wriggled Pump (1) and connected with the control peristaltic pump (1) and the integrated form flow cell module of a measuring electrode (3) can be at least installed (2) and by conducting wire with the measuring electrode (3) on the flow cell module (2) it is connected to obtain the multi-parameter number of electrodes of data According to Acquisition Instrument (4)；The computer computer (5) be connected by conducting wire with the multi-parameter electrode data Acquisition Instrument (4) with Order is sent to it, also, is provided with and multi-parameter electrode data Acquisition Instrument (4) can be collected on the computer computer (5) Data-signal carry out processing analysis electrode data processing system (6).

2. multi parameter water quality system according to claim 1, it is characterised in that flow cell module (2) bag Flow cell body (2a) is included, both sides are equipped with horizontally disposed cutting plane (2b) to the flow cell body (2a) up and down, described One of cutting plane (2b) be equipped with multiple electrode holes (2c) being arranged in juxtaposition, the multiple electrodes hole (2c) is equipped with Electrode for installing measuring electrode (3) covers in (2d) or sealing gland (2e) for closing the electrode hole (2c) extremely admittedly It is few a kind of coupled.

3. multi parameter water quality system according to claim 2, it is characterised in that the flow cell body (2a) two End is additionally provided with the fluid bore (2f) for detected water sample disengaging, is equipped with the flow cell body (2a) by the fluid bore The fluid cavity (2g) that (2f) is connected with each electrode hole (2c).

4. multi parameter water quality system according to claim 1, it is characterised in that the multi-parameter electrode data is adopted Collect instrument (4) be equipped with it is multiple with by the signal input interface (7) of electrode measurement signal collection, the signal input interface (7) Quantity, type with the measuring electrode (3) on the flow cell module (2) correspond, correspondingly, the multi-parameter electrode The signal output interface (8) for exporting the data-signal after conversion is additionally provided with data collecting instrument (4).

5. multi parameter water quality system according to claim 1, it is characterised in that on the control peristaltic pump (1) It is connected equipped with water inlet pump line (1a) with the water pipe at the live water source of detected water sample, correspondingly, being set on the control peristaltic pump (1) There are water outlet pump line (1b) and the water pipe of the flow cell module (2) to be connected.