CN105842170A - Wastewater quality online monitoring system - Google Patents

Wastewater quality online monitoring system Download PDF

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Publication number
CN105842170A
CN105842170A CN201610319974.5A CN201610319974A CN105842170A CN 105842170 A CN105842170 A CN 105842170A CN 201610319974 A CN201610319974 A CN 201610319974A CN 105842170 A CN105842170 A CN 105842170A
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CN
China
Prior art keywords
module
unit
signal
monitoring system
signal processing
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Pending
Application number
CN201610319974.5A
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Chinese (zh)
Inventor
梁明
钟华
张兵
张霞
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Anhui Guo Nengyisheng Environmental Protection Technology Co Ltd
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Anhui Guo Nengyisheng Environmental Protection Technology Co Ltd
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Application filed by Anhui Guo Nengyisheng Environmental Protection Technology Co Ltd filed Critical Anhui Guo Nengyisheng Environmental Protection Technology Co Ltd
Priority to CN201610319974.5A priority Critical patent/CN105842170A/en
Publication of CN105842170A publication Critical patent/CN105842170A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated

Abstract

The invention discloses a wastewater quality online monitoring system. The wastewater quality online monitoring system comprises a water sample collecting module, a signal processing module, a data displayer module and an over-voltage protection module, and the water sample collecting module is in two-way serial connection with the signal processing module; the water sample collecting module comprises a water flow calculation module and a diffraction light irradiation unit, the signal processing module comprises a photovoltaic conversion unit, a signal amplification unit, a signal processor unit and a signal output unit, the signal processing module is in serial connection with the data displayer module, the over-voltage protection module is in parallel connection with the water sample collecting module, the signal processing module and the data displayer module, the signal processing module processes a received electrical signal and transmits the processed electrical signal to the data displayer module through the signal output unit, real-time detection on the wastewater quality is achieved, the over-voltage protection module conducts circuit protection on the whole wastewater quality online monitoring system, and the circuit fault problem is avoided.

Description

A kind of sewage quality on-line monitoring system
Technical field
The present invention relates to belong to field for the treatment of of water pollution, be specifically related to a kind of sewage quality and supervise online Examining system.
Background technology
Sewage is owing to being mixed with new material in water or because the change of external condition, causing Aqueous metamorphism can not continue to keep original use function.Sewage, that be often referred to necessarily to be polluted, From life and the discharge water of production.Sewage mainly has sanitary sewage, industrial wastewater and initial stage rain Water.The ill pathogen contaminant of major pollutants of sewage, oxygen consumption pollutant, plant nutrient and Toxic pollutant etc..Waste water has different sorting techniques from different perspectives.It is divided into according to separate sources Sanitary wastewater and the big class of industrial wastewater two;According to the chemical classes of pollutant can divide again inorganic wastewater with Organic wastewater;Also have by the production technology classification of industrial department or generation waste water, as coking is given up Water, Metallurgical Waste Water, pharmacy waste water, food wastewater etc..Water quality monitoring is to monitor and measure water body The kind of middle pollutant, the concentration of each pollutant and variation tendency, the mistake of evaluating water quality situation Journey.Water quality monitoring is to monitor and measure the kind of pollutant, the concentration of each pollutant in water body And variation tendency, the process of evaluating water quality situation.The main monitoring project of water quality monitoring can be divided into Two big classes a: class is the overall target of reflection water quality condition, such as temperature, colourity, turbidity, pH Value, electrical conductivity, suspension, dissolved oxygen, COD and BOD etc.;Another kind of It is some noxious materials, such as phenol, cyanogen, arsenic, lead, chromium, cadmium, mercury and organic agricultural chemicals etc..For Objective appraisal rivers and the situation of ocean water quality, in addition to above-mentioned monitoring project, need to carry out sometimes Flow velocity and the mensuration of flow.
Summary of the invention
It is an object of the invention to provide a kind of sewage quality on-line monitoring system.
For achieving the above object, the present invention provides following technical scheme: a kind of sewage quality exists Line monitoring system, described sewage quality on-line monitoring system includes at water sampling module, signal Reason module, data display equipment module and overvoltage protective module, described water sampling module and signal Between processing module, two-way series connects, and water sampling module includes discharge computing unit and spreads out Penetrating light irradiation unit, signal processing module includes photoelectric conversion unit, signal amplification unit, letter Number processor unit and signal output unit, described signal processing module and data display equipment module Be connected in series, described overvoltage protective module and respectively water sampling module, signal processing module and Data display equipment wired in parallel connects.
Preferably, described voltage protection module includes that overvoltage detection unit and protection signal produce Unit.
Preferably, described overvoltage detection unit include the first resistance R1, the second resistance R2 and One end of Zener diode D, the first resistance R1 connects the output sampled point of described Switching Power Supply, The negative pole of the other end described Zener diode D of connection, one end ground connection of the second resistance R2, The other end connects the positive pole of described Zener diode D.
Preferably, described protection signal generation unit includes NPN type triode T and the 3rd electricity One end of resistance R3, the 3rd resistance R3 connects power supply, and the other end connects described triode T's Colelctor electrode, the base stage of triode T connects the positive pole of described Zener diode D, and emitter stage connects Ground, colelctor electrode is connected to described pwm unit.
Preferably, the colelctor electrode of described triode T is connected with the first pin of pwm unit.
Preferably, bluetooth transmission, local network transport mould it are provided with in described signal output unit Formula, wire signal transmission mode.
Above technical scheme is used to provide the benefit that: to the invention discloses a kind of sewage quality and exist Line monitoring system, described sewage quality on-line monitoring system includes at water sampling module, signal Reason module, data display equipment module and overvoltage protective module, described water sampling module and signal Between processing module, two-way series connects, and water sampling module includes discharge computing unit and spreads out Penetrating light irradiation unit, signal processing module includes photoelectric conversion unit, signal amplification unit, letter Number processor unit and signal output unit, described signal processing module and data display equipment module Be connected in series, described overvoltage protective module and respectively water sampling module, signal processing module and Data display equipment wired in parallel connects, and photoelectric conversion unit will collect spreading out of diffraction light illumination unit Penetrating striped and change into the signal of telecommunication, the signal of telecommunication is at signal amplification unit and signal processor unit After reason, it is transferred to data display equipment module eventually through signal output unit, thus, it is achieved right The real-time detection of sewage quality, whole sewage quality on-line monitoring system is entered by overvoltage protective module Row circuit protection, it is to avoid fault problem occur, has the highest using value.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of embodiments of the invention;
Fig. 2 is the circuit diagram of over-voltage protection module.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and be prone to bright with effect White understanding, below in conjunction with detailed description of the invention, is expanded on further the present invention.
Embodiment:
A kind of sewage quality on-line monitoring system, described sewage quality on-line monitoring system includes water Sample acquisition module, signal processing module, data display equipment module and overvoltage protective module, described Between water sampling module and signal processing module, two-way series is connected, and water sampling module includes Discharge computing unit and diffraction light illumination unit, signal processing module includes opto-electronic conversion list Unit, signal amplification unit, signal processor unit and signal output unit, described signal transacting Module is connected with data display equipment block coupled in series, described overvoltage protective module and water sampling respectively Module, signal processing module and data display apparatus module are connected in parallel.
Described voltage protection module includes overvoltage detection unit and protection signal generation unit;Institute State overvoltage detection unit and include the first resistance R1, the second resistance R2 and Zener diode D, One end of first resistance R1 connects the output sampled point of described Switching Power Supply, and the other end connects institute Stating the negative pole of Zener diode D, one end ground connection of the second resistance R2, the other end connects institute State the positive pole of Zener diode D;Described protection signal generation unit includes NPN type three pole One end of pipe T and the 3rd resistance R3, the 3rd resistance R3 connects power supply, and the other end connects The colelctor electrode of described triode T, the base stage of triode T connects described Zener diode D's Positive pole, grounded emitter, colelctor electrode is connected to described pwm unit;Described triode T Colelctor electrode be connected with the first pin of pwm unit;It is provided with indigo plant in described signal output unit Tooth transmission mode, local network transport pattern, wire signal transmission mode.
The effect of over-voltage protection module is: defeated according to Switching Power Supply of overvoltage detection unit Go out sampled voltage, it is judged that described Switching Power Supply exports whether overvoltage;When overvoltage detection unit is sentenced During disconnected Switching Power Supply output overvoltage, produce protection signal;Then, by controlling pulsewidth modulation list Unit reduces the output voltage of Switching Power Supply, has reached protection circuit dynamic response fast, control accuracy Height, circuit protection are timely, it is to avoid the effect of failure propagation, have the highest using value.
The invention discloses a kind of sewage quality on-line monitoring system, described sewage quality is supervised online Examining system includes that water sampling module, signal processing module, data display equipment module and overvoltage are protected Protecting module, between described water sampling module and signal processing module, two-way series is connected, water sample Acquisition module includes discharge computing unit and diffraction light illumination unit, and signal processing module includes Photoelectric conversion unit, signal amplification unit, signal processor unit and signal output unit, institute State signal processing module to be connected with data display equipment block coupled in series, described overvoltage protective module with point Other water sampling module, signal processing module and data display apparatus module are connected in parallel, and photoelectricity turns Changing unit and the diffraction fringe collecting diffraction light illumination unit is changed into the signal of telecommunication, the signal of telecommunication passes through After signal amplification unit and signal processor unit process, transmit eventually through signal output unit To data display equipment module, thus, it is achieved the real-time detection to sewage quality, overvoltage protection mould Block carries out circuit protection to whole sewage quality on-line monitoring system, it is to avoid occur that fault is asked Topic, has the highest using value.
As known by the technical knowledge, the present invention can by other essence without departing from its spirit or must The embodiment wanting feature realizes.Therefore, embodiment disclosed above, with regard to each side Speech, is all merely illustrative, is not only.All within the scope of the present invention or equivalent Change in the scope of the present invention is all by the present invention.

Claims (6)

1. a sewage quality on-line monitoring system, described sewage quality on-line monitoring system includes Water sampling module, signal processing module, data display equipment module and overvoltage protective module, its Being characterised by, between described water sampling module and signal processing module, two-way series is connected, water Sample acquisition module includes discharge computing unit and diffraction light illumination unit, signal processing module bag Include photoelectric conversion unit, signal amplification unit, signal processor unit and signal output unit, Described signal processing module is connected with data display equipment block coupled in series, described overvoltage protective module with Water sampling module respectively, signal processing module and data display apparatus module are connected in parallel.
A kind of sewage quality on-line monitoring system the most according to claim 1, its feature exists In: described voltage protection module includes overvoltage detection unit and protection signal generation unit.
A kind of sewage quality on-line monitoring system the most according to claim 1, its feature It is: described overvoltage detection unit includes the first resistance R1, the second resistance R2 and voltage stabilizing One end of diode D, the first resistance R1 connects the output sampled point of described Switching Power Supply, separately The negative pole of the described Zener diode D of one end connection, one end ground connection of the second resistance R2, separately One end connects the positive pole of described Zener diode D.
A kind of sewage quality on-line monitoring system the most according to claim 1, its feature exists In: described protection signal generation unit includes NPN type triode T and the 3rd resistance R3, One end of 3rd resistance R3 connects power supply, and the other end connects the colelctor electrode of described triode T, The base stage of triode T connects the positive pole of described Zener diode D, grounded emitter, current collection Pole is connected to described pwm unit.
5., according to a kind of sewage quality on-line monitoring system of 4 described in claim, its feature exists In: the colelctor electrode of described triode T is connected with the first pin of pwm unit.
A kind of sewage quality on-line monitoring system the most according to claim 1, its feature exists In: it is provided with bluetooth transmission in described signal output unit, local network transport pattern, Wire signal transmission mode.
CN201610319974.5A 2016-05-12 2016-05-12 Wastewater quality online monitoring system Pending CN105842170A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106442630A (en) * 2016-09-14 2017-02-22 北京桑德环境工程有限公司 On-line water quality detection device, terminal, system and method
CN107632126A (en) * 2017-08-19 2018-01-26 安徽泛亚环保科技有限公司 A kind of Wastewater Sample monitoring system based on big data
CN108594737A (en) * 2018-02-09 2018-09-28 成都慧利环保科技有限公司 Wastewater treatment equipment operation monitoring system

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Publication number Priority date Publication date Assignee Title
US20070138868A1 (en) * 2003-05-15 2007-06-21 Kazuto Kokuryo Signal detecting circuit for rain sensor and signal detecting method
CN101182069A (en) * 2007-11-13 2008-05-21 清华大学 Oxidation ditch intelligent control system based on change of water entry
CN101608998A (en) * 2009-07-09 2009-12-23 陈渝阳 Multiparameter water quality quick detection device based on the ARM technology
CN102064681A (en) * 2010-10-15 2011-05-18 深圳市伟创电气有限公司 Switch power supply output overvoltage protection circuit
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106442630A (en) * 2016-09-14 2017-02-22 北京桑德环境工程有限公司 On-line water quality detection device, terminal, system and method
CN107632126A (en) * 2017-08-19 2018-01-26 安徽泛亚环保科技有限公司 A kind of Wastewater Sample monitoring system based on big data
CN108594737A (en) * 2018-02-09 2018-09-28 成都慧利环保科技有限公司 Wastewater treatment equipment operation monitoring system
CN108594737B (en) * 2018-02-09 2021-06-11 广西北投环保水务集团有限公司 Wastewater treatment device operation monitoring system

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