CN105403681A - Water quality on-line monitoring instrument remote monitoring and control device and water quality on-line monitoring system - Google Patents
Water quality on-line monitoring instrument remote monitoring and control device and water quality on-line monitoring system Download PDFInfo
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- CN105403681A CN105403681A CN201510938935.9A CN201510938935A CN105403681A CN 105403681 A CN105403681 A CN 105403681A CN 201510938935 A CN201510938935 A CN 201510938935A CN 105403681 A CN105403681 A CN 105403681A
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Abstract
A water quality on-line monitoring instrument remote monitoring and control device and a water quality on-line monitoring system are provided; the water quality on-line monitoring instrument remote monitoring and control device comprises a sample providing device and a conversion device; the sample providing device is suitable for providing a standard sample to the conversion device when a quality spot check instruction is received, and controlling the conversion device to transport the standard sample to sewage on-line monitoring instruments, otherwise controlling the conversion device to transport a to-be-detected water sample provided by an external water collecting system to the sewage on-line monitoring instruments. The water quality on-line monitoring instrument remote monitoring and control device and the water quality on-line monitoring system can realize that the environmental protection agency timely knows the running status of each sewage on-line monitoring instrument.
Description
Technical field
The present invention relates to environmental monitoring technology field, particularly a kind of long-distance monitorng device of water quality on-line monitoring instrument device and monitoring water quality on line system.
Background technology
The water scarcity caused due to a variety of causes makes country pay attention to especially sewage handling problem, but the construction of sewage treatment plant needs a large amount of investments, and operation and maintenance etc. also will spend a large amount of artificial and funds.The appearance of these practical problemss impels the wastewater treatment on-line monitoring played a protective role to installations and facilities and instrument research of existing pipe network, sewage treatment plant imperative.Municipal sewage treatment is the indispensable ingredient of Modern Urban Development and fwaater resources protection; carry out the on-line monitoring of municipal sewage treatment to improving Urban Water Environment, ensureing that urban society's economic development plays a part very important, its monitoring target mainly concentrates on the point source of pollution to certainly establishing sewage draining exit.
Fig. 1 is the structural representation of existing a kind of monitoring water quality on line system, and described monitoring water quality on line system comprises sewage on-line monitoring instrument 11 and data collecting instrument 12.The input end of described sewage on-line monitoring instrument 11 connects outside water sampling system 10, water sample to be measured is obtained from described outside water sampling system 10, utilize various sensor or meter specially, test the water quality parameter relevant with wastewater treatment, chemical substance (such as nitrogen, the phosphorus etc.) concentration etc. such as, contained in the pH value of water sample to be measured, the relative turbidity of water sample to be measured and water sample to be measured, and will the water quality parameter of test be needed to be converted to electric signal; Described data collecting instrument 12 is sampled automatically to the electric signal that the test of described sewage on-line monitoring instrument 11 obtains, and by transmission network, the data collected is sent to Surveillance center of Environmental Protection Agency 13, realizes the timely management of Environmental Protection Agency to pollutant discharging unit or individual.
Compared with traditional manual monitoring mode, the monitoring water quality on line system shown in Fig. 1 achieves the automatic extraction of sewage physical and chemical parameter amount and randomly draws, and improves the work efficiency of environmental administration.But after described sewage on-line monitoring instrument 11 long-play, its work accuracy can not be guaranteed, and causes described data collecting instrument 12 to be transferred to the data distortion of Environmental Protection Agency.Further, existing sewage on-line monitoring instrument quality of commercially selling is uneven, and the product of a lot of poor quality is faked in test data, allows water quality not up to standard originally become up to standard.Environmental Protection Agency due to staff inadequate, the scene can not arrive checks every platform sewage on-line monitoring instrument, thus can not understand the operation conditions of every platform sewage on-line monitoring instrument in time.
Summary of the invention
The problem being Environmental Protection Agency and cannot understanding every platform sewage on-line monitoring instrument operation conditions in time to be solved by this invention.
For solving the problem, the invention provides a kind of long-distance monitorng device of water quality on-line monitoring instrument device, comprising sample presentation apparatus and conversion equipment; Described sample presentation apparatus is suitable for providing standard model to described conversion equipment when receiving spot check of quality instruction, and control described conversion equipment and standard model is delivered to sewage on-line monitoring instrument, otherwise the water sample to be measured controlling described conversion equipment and provided by outside water sampling system is delivered to sewage on-line monitoring instrument.
By arranging described sample presentation apparatus and described conversion equipment: when Environmental Protection Agency normally monitors the water quality of water sample to be measured, the water sample to be measured that outside water sampling system provides by described conversion equipment is delivered to described sewage on-line monitoring instrument, the water quality parameter of water sample to be measured is tested by described sewage on-line monitoring instrument, gathered the water quality parameter of water sample to be measured by described data collecting instrument, and the water quality parameter of water sample to be measured is sent to Surveillance center of Environmental Protection Agency; When the operation conditions of Environmental Protection Agency's selective examination sewage on-line monitoring instrument, spot check of quality instruction is sent to described sample presentation apparatus by Surveillance center of Environmental Protection Agency, the standard model that described sample presentation apparatus provides water quality parameter known is to described conversion equipment, standard model is delivered to described sewage on-line monitoring instrument by described conversion equipment, by the water quality parameter of described sewage on-line monitoring instrument testing standard sample, gathered the water quality parameter of standard model by described data collecting instrument, and the water quality parameter of standard model is sent to Surveillance center of Environmental Protection Agency.Surveillance center of Environmental Protection Agency, according to the water quality parameter of the standard model prestored, judges that the water quality parameter of the standard model that sewage on-line monitoring instrument is tested is whether in error range.If the water quality parameter of the standard model of sewage on-line monitoring instrument test is in error range, then illustrate that the operation conditions of sewage on-line monitoring instrument is good, otherwise then illustrate that sewage on-line monitoring instrument is because to work long hours or the factor such as fraud causes its abnormal running, allow Environmental Protection Agency's law enforcement have something to base on.
Optionally, described sample presentation apparatus comprises data transmit-receive module, controller, channel switching device and at least two device for storing liquid; Described data transmit-receive module is suitable for receiving described spot check of quality instruction from Surveillance center of Environmental Protection Agency; Described channel switching device comprises output channel and at least two input channels, and each input channel correspondence connects a device for storing liquid, and described output channel connects described conversion equipment; Described device for storing liquid is suitable for storing described standard model; It is channel switching signal and changeover control signal that described controller is suitable for described spot check of quality instruction transformation, described channel switching signal is suitable for controlling described channel switching device and output channel is switched to and be connected with specifying input channel, and described changeover control signal is suitable for controlling described conversion equipment and standard model is delivered to sewage on-line monitoring instrument.
By arranging described channel switching device, described sample presentation apparatus can provide the standard model with different quality parameter.When whether the operation conditions spot-check sewage on-line monitoring instrument is good, sewage on-line monitoring instrument can be tested the standard model with different quality parameter.By increasing the checking to standard model, the accuracy judging that whether the operation conditions of sewage on-line monitoring instrument is good can be improved.
Optionally, described channel switching device comprises drive unit and multi-channel direction selecting valve; Described drive unit is suitable for described channel switching signal to be converted to drive singal; Described multi-channel direction selecting valve is suitable for output channel being switched under the control of described drive singal being connected with specifying input channel.
Optionally, described sample presentation apparatus also comprises allowance detector; Described allowance detector is suitable for the surplus detecting described standard model.By arranging described allowance detector, can the surplus of standard model described in Real-Time Monitoring, reminding user carries out when described standard model is finished adding or changing.
Optionally, described allowance detector is gravity sensor, pressure transducer, liquid level sensor or photoelectric sensor.
Optionally, described sample presentation apparatus also comprises thermostat; Described thermostat is suitable for making described standard model keep steady temperature.By arranging described thermostat, the shelf-life of described standard model can be extended, and avoid water smoke to pollute described standard model, improve and judge the accuracy whether operation conditions of sewage on-line monitoring instrument is good.
Optionally, described sample presentation apparatus also comprises channel position pick-up unit; Described channel position pick-up unit is suitable for detecting the appointment input channel be connected with described output channel.By arranging described channel position pick-up unit, the input channel that current and described output channel is connected can be detected.
Optionally, described sample presentation apparatus also comprises the touch-screen be connected with described controller.By arranging described touch-screen, the information such as the surplus of described standard model, the input channel that is connected with described output channel can be shown, and the temperature of described thermostat can be changed.
Optionally, described conversion equipment is 3-position-3-way solenoid valve.
Based on the long-distance monitorng device of above-mentioned water quality on-line monitoring instrument device, the present invention also provides a kind of monitoring water quality on line system, described monitoring water quality on line system comprises sewage on-line monitoring instrument and data collecting instrument, also comprises the long-distance monitorng device of above-mentioned water quality on-line monitoring instrument device.
Compared with prior art, the present invention has the following advantages:
The long-distance monitorng device of water quality on-line monitoring instrument device provided by the invention and monitoring water quality on line system, when the operation conditions of Environmental Protection Agency's selective examination sewage on-line monitoring instrument, the standard model providing water quality parameter known by sample presentation apparatus is to conversion equipment, by conversion equipment, standard model is delivered to sewage on-line monitoring instrument, allows the water quality parameter of sewage on-line monitoring instrument testing standard sample.By Surveillance center of Environmental Protection Agency compare test parameter and actual parameter, can judge that the water quality parameter of the standard model that sewage on-line monitoring instrument is tested is whether in error range, thus realize selective examination sewage on-line monitoring instrument in real time and whether normally run.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing a kind of monitoring water quality on line system;
Fig. 2 is the structural representation of the monitoring water quality on line system of the embodiment of the present invention;
Fig. 3 is the structural representation of the long-distance monitorng device of the water quality on-line monitoring instrument device of the embodiment of the present invention.
Embodiment
Below in conjunction with embodiment and accompanying drawing, to the detailed description further of the present invention's do, but embodiments of the present invention are not limited thereto.
Fig. 2 is the structural representation of the monitoring water quality on line system of the embodiment of the present invention, and described monitoring water quality on line system comprises the long-distance monitorng device of sewage on-line monitoring instrument 21, data collecting instrument 22 and water quality on-line monitoring instrument device.Wherein, the long-distance monitorng device of described water quality on-line monitoring instrument device comprises sample presentation apparatus 24 and conversion equipment 25.Similar in the 26S Proteasome Structure and Function of described sewage on-line monitoring instrument 21, described data collecting instrument 22 and prior art, that is: described sewage on-line monitoring instrument 21 utilizes various sensor or meter specially, test the water quality parameter relevant with wastewater treatment, and will the water quality parameter of test be needed to be converted to electric signal; Described data collecting instrument 22 is sampled automatically to the electric signal that described sewage on-line monitoring instrument 21 test obtains, and by transmission network, the data collected is sent to Surveillance center of Environmental Protection Agency 23.
Described sample presentation apparatus 24 is suitable for providing standard model to described conversion equipment 25 when receiving spot check of quality instruction, and control described conversion equipment 25 and standard model is delivered to described sewage on-line monitoring instrument 21, otherwise control described conversion equipment 25 water sample to be measured that outside water sampling system 20 provides is delivered to described sewage on-line monitoring instrument 21.In the present embodiment; described spot check of quality instruction is provided by the host computer in Surveillance center of Environmental Protection Agency 23; described standard model can be the national liquid standard sample that national non-ferrous metal and electronic material test center produce, and also can be the eco material science that Environmental Protection Department standard model research institute produces.Certainly, the sample that the authoritative institution that described standard model can also obtain authorized by state for other produces, the present embodiment is not construed as limiting this.Further, described conversion equipment 25 comprises first input end, the second input end, output terminal and control end.The first input end of described conversion equipment 25 connects outside water sampling system 20, second input end of described conversion equipment 25 is connected described sample presentation apparatus 24 with control end, the output terminal of described conversion equipment 25 connects the sewage collection terminal of described sewage on-line monitoring instrument 21.In the present embodiment, described conversion equipment 25 is 3-position-3-way solenoid valve.
When Environmental Protection Agency normally monitors water sample to be measured, the first input end that described sample presentation apparatus 24 controls described conversion equipment 25 is connected with output terminal, the water sample to be measured that outside water sampling system 20 provides is delivered to described sewage on-line monitoring instrument 21, the water quality parameter of water sample to be measured is tested by described sewage on-line monitoring instrument 21, gathered the water quality parameter of water sample to be measured by described data collecting instrument 22, and the water quality parameter of water sample to be measured is sent to Surveillance center of Environmental Protection Agency 23.
When Environmental Protection Agency spot-check the operation conditions of described sewage on-line monitoring instrument 21, Surveillance center of Environmental Protection Agency 23 sends spot check of quality instruction to described sample presentation apparatus 24, the second input end that described sample presentation apparatus 24 controls described conversion equipment 25 is connected with output terminal, the standard model that described sample presentation apparatus 24 provides is delivered to described sewage on-line monitoring instrument 21, by the water quality parameter of described sewage on-line monitoring instrument 21 testing standard sample, the water quality parameter of standard model is gathered by described data collecting instrument 22, and the water quality parameter of standard model is sent to Surveillance center of Environmental Protection Agency 23.Surveillance center of Environmental Protection Agency 23 has prestored the water quality parameter of standard model, by compare test parameter and actual parameter, can judge that the water quality parameter of the standard model that described sewage on-line monitoring instrument 21 is tested is whether in error range, thus judge whether described sewage on-line monitoring instrument 21 normally runs.
For water quality parameter be the standard model that provides containing nitrogen concentration, described sample presentation apparatus 24 containing nitrogen concentration be 2mg/L, permissible error is for 2.5%: if the test of described sewage on-line monitoring instrument 21 obtain standard model containing nitrogen concentration in the scope of 1.95mg/L ~ 2.05mg/L, then illustrate that the operation conditions of described sewage on-line monitoring instrument 21 is good; If the test of described sewage on-line monitoring instrument 21 obtain standard model containing nitrogen concentration not in the scope of 1.95mg/L ~ 2.05mg/L, then illustrate that described sewage on-line monitoring instrument 21 is because to work long hours or the factor such as fraud causes its abnormal running.
It should be noted that, the standard model that described sample presentation apparatus 24 provides can, for a kind of, also can be multiple.To detect containing nitrogen concentration in sewage, described sample presentation apparatus 24 can provide a kind of standard model containing nitrogen concentration, and at least two kinds also can be provided to contain the different standard model of nitrogen concentration.Such as, described sample presentation apparatus 24 can provide three kinds of standard models containing nitrogen concentration, the low standard model containing nitrogen concentration, in containing the standard model of nitrogen concentration and the high each one of standard model containing nitrogen concentration.By providing the standard model with different quality parameter, when verifying whether described sewage on-line monitoring instrument 21 normally runs, described sewage on-line monitoring instrument 21 can be tested the standard model with different quality parameter, improves the accuracy judging whether described sewage on-line monitoring instrument 21 normally runs.
At least two kinds of standard models are provided for described sample presentation apparatus 24, Fig. 3 is the structural representation of the long-distance monitorng device of the water quality on-line monitoring instrument device of the embodiment of the present invention, and described sample presentation apparatus 24 comprises data transmit-receive module 31, controller 32, channel switching device 33 and at least two device for storing liquid.In the present embodiment, be described for device for storing liquid 34.
Particularly, described data transmit-receive module 31 is suitable for receiving described spot check of quality instruction from Surveillance center of Environmental Protection Agency 23, is the signal that described controller 32 can identify by described spot check of quality instruction transformation.The structure of described data transmit-receive module 31 is determined according to the communication mode of described sample presentation apparatus 24 and Surveillance center of Environmental Protection Agency 23, such as described sample presentation apparatus 24 and Surveillance center of Environmental Protection Agency 23 are radio communication, then described data transmit-receive module 31 is wireless communication module.Described channel switching device 33 comprises output channel and at least two input channels, and each input channel correspondence connects a device for storing liquid, and described output channel connects described conversion equipment 25.Described device for storing liquid 34 is suitable for storing described standard model, the standard model of a kind of water quality parameter of each device for storing liquid corresponding stored.It is channel switching signal and changeover control signal that described controller 32 is suitable for described spot check of quality instruction transformation, described channel switching signal is suitable for controlling described channel switching device 33 and output channel is switched to and be connected with specifying input channel, and described changeover control signal is suitable for controlling described conversion equipment 25 and standard model is delivered to described sewage on-line monitoring instrument 21.
In the present embodiment, described channel switching device 33 comprises drive unit 331 and multi-channel direction selecting valve 332.Described drive unit 331 is suitable for described channel switching signal to be converted to drive singal, and described multi-channel direction selecting valve 332 is suitable for output channel being switched under the control of described drive singal being connected with specifying input channel.Described drive unit 331 can be stepper motor, 42 such as conventional step stepper motors or 57 step stepper motors etc.Described multi-channel direction selecting valve 332 can enter one and goes out multi-channel direction selecting valve, nine and enter one and go out multi-channel direction selecting valve, eight and enter one and go out multi-channel direction selecting valve or ten one-in-and-one-out multi-channel direction selecting valves for conventional five.Described multi-channel direction selecting valve 332 has how many feed pathway, just can provide how many kinds of standard model.
It should be noted that, the described spot check of quality instruction that described controller 32 receives can be timely action command, allows described multi-channel direction selecting valve 332 switching channel at once; The described spot check of quality instruction that described controller 32 receives can be also fixed time action command, allows described multi-channel direction selecting valve 332 at certain fixed time switching channel.The described spot check of quality instruction no matter described controller 32 receives is timely action command or fixed time action command, while described multi-channel direction selecting valve 332 switching channel, the second input end that described controller 32 controls described conversion equipment 25 is connected with output terminal.After described sewage on-line monitoring instrument 21 pairs of standard models have been tested, the first input end that described controller 32 controls described conversion equipment 25 has been connected with output terminal.
In the present embodiment, described sample presentation apparatus 24 also comprises allowance detector 35.Described allowance detector 35 is suitable for the surplus detecting described standard model, and the surplus of described standard model is sent to described controller 32, and it can be gravity sensor, pressure transducer, liquid level sensor or photoelectric sensor.Those skilled in the art know the surplus how adopting sensor tracer liquid, and the embodiment of the present invention repeats no more this.By arranging described allowance detector 35, can monitor the surplus of the standard model in described device for storing liquid 34, reminding user carries out supplementing or changing to standard model in time after standard model is finished.
Described sample presentation apparatus 24 can also comprise thermostat 36, and described thermostat 36 is suitable for making described standard model keep steady temperature.Further, described thermostat 36 can comprise constant temperature enclosure and temperature control system, and described device for storing liquid 34 is arranged in described constant temperature enclosure, and described temperature control system controls the temperature remained constant in described constant temperature enclosure.By arranging described thermostat 36, the temperature constant of standard model still can not made air-fluidized temperature again to a low temperature, extending the shelf-life of standard sewage product, and avoid water smoke pollution norms sample.
Described sample presentation apparatus 24 can also comprise channel position pick-up unit (not shown), and described channel position pick-up unit is suitable for detecting the appointment input channel be connected with described output channel.Described channel position pick-up unit can be photoelectric sensor, by arranging described channel position pick-up unit, can detect the input channel that current and described output channel is connected.
Described sample presentation apparatus 24 can also comprise the touch-screen 37 be connected with described controller 32.By arranging described touch-screen 37, user can arrange the temperature of described thermostat, shows described thermostat 36 actual temperature, the information such as input channel that the surplus of standard model that described allowance detector 35 detects and current and described output channel are connected.Above-mentioned information also can be sent to Surveillance center of Environmental Protection Agency 23 by described data transmit-receive module 31, described data transmit-receive module 31 can send the set time, interval time send or according to command sending data.
Standard model is arbitrarily changed in order to prevent the user not having authority, fakes, can, by all module installation in described sample presentation apparatus 24 in a device closed, the user with authority be managed to described sample presentation apparatus 24 by enabling demo plant.Described enabling demo plant can be mechanical lock or electronic password lock, and the embodiment of the present invention is not construed as limiting this.Further, described sample presentation apparatus 24 also comprises electric supply installation, and described electric supply installation can comprise ups power and power-off protection apparatus.
The above is only preferred embodiment of the present invention, and not do any pro forma restriction to the present invention, every any simple modification, equivalent variations done above embodiment according to technical spirit of the present invention, all falls within protection scope of the present invention.
Claims (10)
1. a long-distance monitorng device for water quality on-line monitoring instrument device, is characterized in that, comprises sample presentation apparatus and conversion equipment;
Described sample presentation apparatus is suitable for providing standard model to described conversion equipment when receiving spot check of quality instruction, and control described conversion equipment and standard model is delivered to sewage on-line monitoring instrument, otherwise the water sample to be measured controlling described conversion equipment and provided by outside water sampling system is delivered to sewage on-line monitoring instrument.
2. the long-distance monitorng device of water quality on-line monitoring instrument device according to claim 1, is characterized in that, described sample presentation apparatus comprises data transmit-receive module, controller, channel switching device and at least two device for storing liquid;
Described data transmit-receive module is suitable for receiving described spot check of quality instruction from Surveillance center of Environmental Protection Agency;
Described channel switching device comprises output channel and at least two input channels, and each input channel correspondence connects a device for storing liquid, and described output channel connects described conversion equipment;
Described device for storing liquid is suitable for storing described standard model;
It is channel switching signal and changeover control signal that described controller is suitable for described spot check of quality instruction transformation, described channel switching signal is suitable for controlling described channel switching device and output channel is switched to and be connected with specifying input channel, and described changeover control signal is suitable for controlling described conversion equipment and standard model is delivered to sewage on-line monitoring instrument.
3. the long-distance monitorng device of water quality on-line monitoring instrument device according to claim 2, is characterized in that, described channel switching device comprises drive unit and multi-channel direction selecting valve;
Described drive unit is suitable for described channel switching signal to be converted to drive singal;
Described multi-channel direction selecting valve is suitable for output channel being switched under the control of described drive singal being connected with specifying input channel.
4. the long-distance monitorng device of water quality on-line monitoring instrument device according to claim 2, is characterized in that, described sample presentation apparatus also comprises allowance detector;
Described allowance detector is suitable for the surplus detecting described standard model.
5. the long-distance monitorng device of water quality on-line monitoring instrument device according to claim 4, is characterized in that, described allowance detector is gravity sensor, pressure transducer, liquid level sensor or photoelectric sensor.
6. the long-distance monitorng device of water quality on-line monitoring instrument device according to claim 2, is characterized in that, described sample presentation apparatus also comprises thermostat;
Described thermostat is suitable for making described standard model keep steady temperature.
7. the long-distance monitorng device of water quality on-line monitoring instrument device according to claim 2, is characterized in that, described sample presentation apparatus also comprises channel position pick-up unit;
Described channel position pick-up unit is suitable for detecting the appointment input channel be connected with described output channel.
8. the long-distance monitorng device of the water quality on-line monitoring instrument device according to any one of claim 2 to 7, is characterized in that, described sample presentation apparatus also comprises the touch-screen be connected with described controller.
9. the long-distance monitorng device of water quality on-line monitoring instrument device according to claim 1, is characterized in that, described conversion equipment is 3-position-3-way solenoid valve.
10. a monitoring water quality on line system, comprises sewage on-line monitoring instrument and data collecting instrument, it is characterized in that, also comprises the long-distance monitorng device of the water quality on-line monitoring instrument device described in any one of claim 1 to 9.
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