CN112229975B - Water quality on-line monitoring device and monitoring method - Google Patents
Water quality on-line monitoring device and monitoring method Download PDFInfo
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Abstract
The invention relates to a water quality on-line monitoring device and a monitoring method, wherein the device comprises the following components: the integrated water quality detector and the integrated water quality detector are provided with a water inlet pipe and a water outlet pipe; the water inlet pipe is divided into three branches, namely a municipal water source water inlet pipe, a water tank water source water inlet pipe and a standard water source water inlet pipe; solenoid valves are arranged on the municipal water source inlet pipe, the water tank water source inlet pipe and the standard water source inlet pipe; the solenoid valves on the municipal water source inlet pipe, the water tank water source inlet pipe and the standard water source inlet pipe are all electrically connected to the controller through wires. The acquisition method is flexible, timely and effective; the turbidity of a water source of the water tank is monitored in real time, and when turbidity early warning exists, one-time comprehensive water quality parameter detection analysis is started; even without turbidity warning, the comprehensive water quality parameter detection can be periodically performed. The controller of the invention regularly carries out on-line calibration on the water quality detection instrument, and ensures the accuracy and reliability of data acquisition, comparison analysis and early warning and alarming.
Description
Technical Field
The invention relates to a monitoring device and a monitoring method, in particular to a water quality on-line monitoring device and a monitoring method which are simple in structure, convenient to install and stable in performance.
Background
An important directionality of urban secondary water supply development in recent years is sanitation and water quality safety guarantee, and online detection, analysis and early warning of the water quality of secondary water supply also become an important civil engineering and huge market demand. Most of the instruments for secondary water quality monitoring in the current market use schemes of water plants, and the price is relatively high; the detection system only realizes the comparison of single detection data and local water quality standard for inspection, and the missing multi-dimensional data analysis comparison, standard judgment and intelligent early warning; the failure degree of the detecting instrument cannot be diagnosed on line.
Disclosure of Invention
Aiming at the problems, the main purpose of the invention is to provide the water quality on-line monitoring device and the monitoring method which have the advantages of simple structure, convenient installation and stable performance.
The invention solves the technical problems by the following technical proposal: an on-line water quality monitoring device, the on-line water quality monitoring device comprises:
the integrated water quality detector and the integrated water quality detector are provided with a water inlet pipe and a water outlet pipe; the water inlet pipe is divided into three branches, namely a municipal water source water inlet pipe, a water tank water source water inlet pipe and a standard water source water inlet pipe;
solenoid valves are arranged on the municipal water source inlet pipe, the water tank water source inlet pipe and the standard water source inlet pipe;
the solenoid valves on the municipal water source inlet pipe, the water tank water source inlet pipe and the standard water source inlet pipe are all electrically connected to the controller through wires.
In the specific embodiment of the invention, the integrated water quality detector adopts a probe and a module type head lifting sleeve to be integrated together, and the module type head lifting sleeve is a transparent acrylic head sleeve.
In an embodiment of the present invention, the flow rate of water through the lumen of the integrated probe cover is stabilized at 580-620 meters/hour.
In a specific embodiment of the present invention, the solenoid valves provided on the municipal water source inlet pipe, the water tank water source inlet pipe and the standard water source inlet pipe are respectively a municipal water source solenoid valve, a water tank water source solenoid valve and a standard water source solenoid valve.
In the specific implementation example of the invention, the municipal water source electromagnetic valve, the water tank water source electromagnetic valve and the standard water source electromagnetic valve are all sampling valves.
An online water quality monitoring method comprises the following steps:
(1) The turbidity of a stainless steel water tank water source is monitored on line in real time, compared with a standard value, once turbidity early warning exists, the comprehensive parameter detection is started immediately;
(2) Even if turbidity pre-warning is not available, the comprehensive water quality parameter detection can be periodically started once;
(3) The turbidity early warning or periodic water quality comprehensive collection process comprises the following steps:
the controller controls the municipal water source sampling valve to be opened, the water source uniformly flows through the integrated water quality detector, the read data are used as acquisition data after the data are stable, the acquisition data are recorded and stored in the controller, and the municipal water source sampling valve is closed after the sampling is finished;
the controller controls the water source electromagnetic valve of the water tank to be opened, the water source uniformly flows through the integrated water quality detector, the read data are used as acquisition data after the data are stable, the acquisition data are recorded and stored in the controller, and the water source sampling valve is closed after the sampling is finished;
The controller compares the collected data with the local water quality standard for inspection and gives an early warning; the controller compares and analyzes the difference of water quality data of different water sources, municipal water source and water tank water source, establishes a judgment standard and gives an early warning; comparing and analyzing the difference of the accumulated historical data, water quality data in different time periods and different seasons, establishing a judgment standard and giving an early warning;
the controller controls the standard water source electromagnetic valve to be opened, the water source uniformly flows through the integrated water quality detector, the read data are used as acquisition data after the data are stabilized, the acquisition data are recorded and stored in the controller, and the standard water source electromagnetic valve is closed after the sampling is finished;
and comparing the differences between the turbidity data of the standard water sources in different time periods and different dates, and carrying out calibration and calibration through the butt joint of the controller.
The invention has the positive progress effects that: the water quality on-line monitoring device and the monitoring method provided by the invention have the following advantages: the acquisition method is flexible, timely and effective; the turbidity of the water source of the water tank is monitored in real time, and when turbidity pre-warning exists, one-time comprehensive water quality parameter detection analysis is started; even without turbidity warning, the comprehensive water quality parameter detection can be periodically performed.
And the multidimensional data analysis, early warning and alarming are accurate and reliable. Comparing the water quality data with a local water quality standard value for inspection, and carrying out early warning and alarm; different water quality data of different water sources such as municipal water source, water tank water source, standard water source and the like are compared, early-warned and alarmed; and (3) comparing, analyzing and warning the difference change of the water quality data of different seasons (dry season and rainy season) and different periods (peak-valley periods) of the accumulated historical data.
And calibrating the water quality detecting instrument on line. The controller regularly carries out on-line calibration on the water quality detection instrument, and ensures the accuracy and reliability of data acquisition, comparison analysis and early warning and alarming.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
The following are names corresponding to the reference numerals in the present invention:
municipal water source solenoid valve 1, water tank water source solenoid valve 2, standard water source solenoid valve 3, controller 4, integrated water quality detector 5.
Detailed Description
The following description of the preferred embodiments of the present invention is given with reference to the accompanying drawings, so as to explain the technical scheme of the present invention in detail.
Fig. 1 is a schematic diagram of the overall structure of the present invention. As shown in figure 1, the water quality on-line monitoring device provided by the invention comprises a municipal water source electromagnetic valve 1, a water tank water source electromagnetic valve 2, a standard water source electromagnetic valve 3, a controller 4 and an integrated water quality detector 5; the integrated water quality detector 5 is provided with a water inlet pipeline and a water outlet pipeline, wherein the water inlet pipeline is divided into three branches, namely a municipal water source water inlet pipe, a water tank water source water inlet pipe, a standard water source water inlet pipe, a municipal water source water inlet pipe, a water tank water source water inlet pipe and a standard water source water inlet pipe, which are respectively provided with electromagnetic valves; the solenoid valves on the municipal water source inlet pipe, the water tank water source inlet pipe and the standard water source inlet pipe are all electrically connected to the controller 4 through wires.
The integrated water quality detector 5 is integrated with a modular head lifting sleeve by adopting a probe, and the modular head lifting sleeve is made of transparent acrylic material.
The flow rate of water through the lumen of the integrated probe cover stabilizes at 580-620 meters/hour.
The solenoid valves arranged on the municipal water source inlet pipe, the water tank water source inlet pipe and the standard water source inlet pipe are respectively municipal water source solenoid valves, water tank water source solenoid valves and standard water source solenoid valves.
Municipal water source solenoid valve, water tank water source solenoid valve and standard water source solenoid valve are all sampling valves.
The water quality on-line monitoring method comprises the following steps:
(1) The turbidity of the stainless steel water tank water source is monitored on line in real time, compared with a standard value, once turbidity early warning exists, the comprehensive parameter detection is started immediately.
(2) Even if turbidity warning is not available, the comprehensive water quality parameter detection can be started periodically.
(3) The turbidity early warning or periodic water quality comprehensive collection process comprises the following steps:
the controller 4 controls the municipal water source sampling valve 1 to be opened, the water source uniformly flows through the integrated water quality detector 5, the read data are used as acquisition data after the data are stable, the record is stored in the control controller, and the municipal water source sampling valve 1 is closed after the sampling is finished.
The controller 4 controls the water tank water source electromagnetic valve 2 to be opened, the water source uniformly flows through the integrated water quality detector 5, the read data are used as acquisition data after the data are stable, the acquisition data are recorded and stored in the controller, and the water source sampling valve 2 is closed after the sampling is finished.
And 2, comparing, analyzing and early warning the multidimensional data.
The controller compares the collected data with the local water quality standard for inspection and gives an early warning; the controller compares and analyzes the difference of water quality data of different water sources, municipal water source and water tank water source, establishes a judgment standard and gives an early warning; and comparing and analyzing the difference of the accumulated historical data, water quality data in different time periods and different seasons, establishing a judgment standard and giving an early warning.
And comparing the differences between the turbidity data of the standard water sources in different time periods and different dates, and carrying out calibration and calibration through the butt joint of the controller.
The following is a specific implementation example: as shown in fig. 1: the invention provides a water quality on-line monitoring device which comprises a municipal water source electromagnetic valve 1, a water tank water source electromagnetic valve 2, a standard water source electromagnetic valve 3, a controller 4 and a water quality monitoring instrument 5; the water quality monitoring instrument 5 is provided with a water inlet pipeline which is divided into three branches, namely a municipal water source water inlet pipe, a water tank water source water inlet pipe, a standard water source water inlet pipe, a municipal water source water inlet pipe, a water tank water source water inlet pipe and a standard water source water inlet pipe, which are respectively provided with electromagnetic valves; the solenoid valves on the municipal water source inlet pipe, the water tank water source inlet pipe and the standard water source inlet pipe are all electrically connected to the controller 4 through wires.
Aiming at the problem, the monitoring method of the invention comprises (1) respectively sampling municipal water source and water tank water source at regular time, reading corresponding water quality parameters such as residual chlorine, turbidity, PH and the like, comparing and analyzing with a water quality standard value of local inspection, establishing a judgment standard, and giving an early warning and alarming; (2) The corresponding turbidity is detected only in real time at ordinary times, and the comprehensive water quality parameter detection and analysis is started once when the early warning is provided; (3) Accumulating water quality change data of different seasons (dry seasons and rainy seasons) and different water supply periods (peak period and valley period) of historical data, performing comparative analysis, establishing a judgment standard, and giving an early warning; (4) Sampling a standard water source regularly, and acquiring data for calibrating and calibrating a water quality detection instrument; (5) The embedded controller is responsible for the control and function realization of a digital water source sampling valve, turbidity acquisition, data storage, analysis, comparison, early warning, alarm and the like.
The embedded controller 4 is responsible for whole system control, collection, storage, setting of decision criteria, comparison analysis and early warning alarm, the water inlets of the municipal water source sampling valve 1, the water tank water source sampling valve 2 and the standard water source sampling valve 3 are respectively connected with the corresponding municipal pipeline, the water tank outlet pipeline and the standard water source pipeline, and the water outlets of the sampling valves are connected with the water inlet of the integrated water quality detection instrument 5 after being summarized.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing embodiments, which have been described in the foregoing embodiments and description merely illustrates the principles of the invention, and that various changes and modifications may be effected therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents.
Claims (3)
1. An online water quality monitoring method, which adopts an online water quality monitoring device, comprises the following steps:
the integrated water quality detector is provided with a water inlet pipe and a water outlet pipe; the water inlet pipe is divided into three branches, namely a municipal water source water inlet pipe, a water tank water source water inlet pipe and a standard water source water inlet pipe;
solenoid valves are arranged on the municipal water source inlet pipe, the water tank water source inlet pipe and the standard water source inlet pipe;
the electromagnetic valves on the municipal water source water inlet pipe, the water tank water source water inlet pipe and the standard water source water inlet pipe are electrically connected to the controller through wires;
the electromagnetic valves arranged on the municipal water source water inlet pipe, the water tank water source water inlet pipe and the standard water source water inlet pipe are respectively a municipal water source electromagnetic valve, a water tank water source electromagnetic valve and a standard water source electromagnetic valve;
the method is characterized in that: the water quality on-line monitoring method comprises the following steps:
step 1, early warning acquisition and periodic acquisition methods:
(1) The turbidity of a stainless steel water tank water source is monitored on line in real time, compared with a standard value, once turbidity early warning exists, the comprehensive parameter detection is started immediately;
(2) The comprehensive water quality parameter detection is periodically started once even if turbidity warning is not performed;
(3) The turbidity early warning or periodic water quality comprehensive collection process comprises the following steps:
the controller controls the municipal water source sampling valve to be opened, the water source uniformly flows through the integrated water quality detector, the read data are used as acquisition data after the data are stable, the acquisition data are recorded and stored in the controller, and the municipal water source sampling valve is closed after the sampling is finished;
the controller controls the water source electromagnetic valve of the water tank to be opened, the water source uniformly flows through the integrated water quality detector, the read data are used as acquisition data after the data are stable, the acquisition data are recorded and stored in the controller, and the water source sampling valve is closed after the sampling is finished;
step 2, comparing, analyzing, early warning and alarming the multidimensional data
The controller compares the collected data with the local water quality standard for inspection and gives an early warning; the controller compares and analyzes the difference of water quality data of different water sources, municipal water source and water tank water source, establishes a judgment standard and gives an early warning; comparing and analyzing the difference of the accumulated historical data, water quality data in different time periods and different seasons, establishing a judgment standard and giving an early warning;
step 3, calibrating the water quality monitoring instrument on line, and calibrating the water quality monitoring instrument accurately at regular intervals:
the controller controls the standard water source electromagnetic valve to be opened, the water source uniformly flows through the integrated water quality detector, the read data are used as acquisition data after the data are stabilized, the acquisition data are recorded and stored in the controller, and the standard water source electromagnetic valve is closed after the sampling is finished;
and comparing the differences between the turbidity data of the standard water sources in different time periods and different dates, and carrying out calibration and calibration through the butt joint of the controller.
2. The on-line water quality monitoring method according to claim 1, wherein: the integrated water quality detector is integrated by a probe and a modular head lifting sleeve, and the modular head lifting sleeve is a transparent acrylic head sleeve.
3. The on-line water quality monitoring method according to claim 1, wherein: the flow rate of water through the lumen of the integrated probe cover stabilizes at 580-620 meters/hour.
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| CN203241403U (en) * | 2013-03-08 | 2013-10-16 | 宇星科技发展(深圳)有限公司 | Water quality monitoring device |
| CN203481921U (en) * | 2013-09-13 | 2014-03-12 | 广东电网公司电力科学研究院 | Early warning system of power grid plant station |
| CN204649724U (en) * | 2015-05-13 | 2015-09-16 | 宝惠自动化科技(上海)有限公司 | A kind of monitoring water quality on line remote transmission terminal device using " cloud robotization " |
| CN105137016A (en) * | 2015-08-05 | 2015-12-09 | 广州尚广环保科技有限公司 | Online water quality calibration quality control instrument and use method thereof |
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| CN105974081A (en) * | 2016-07-22 | 2016-09-28 | 深圳市耐泰科网络科技有限公司 | On-line water quality monitor instrument, operation and maintenance terminal and cloud system |
| CN106530140A (en) * | 2016-12-12 | 2017-03-22 | 上海歆峥智能科技有限公司 | Online monitoring system of water quality |
| CN107621530A (en) * | 2017-10-31 | 2018-01-23 | 四川金英科技有限责任公司 | A kind of water quality monitoring warning system based on data comparison |
| CN208907892U (en) * | 2018-07-13 | 2019-05-28 | 深圳市水务科技有限公司 | A kind of water quality Integrated Early Warning System |
| CN210395510U (en) * | 2019-04-30 | 2020-04-24 | 上海凯泉泵业（集团）有限公司 | Outdoor intelligent pump room capable of sterilizing water supply and detecting water quality |
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| CN111610301A (en) * | 2020-06-04 | 2020-09-01 | 中国电信集团工会上海市委员会 | Centralized water quality monitoring device, system and method |
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