CN111487426A - Collection and dispersion pollution source monitoring system based on Internet of things - Google Patents

Collection and dispersion pollution source monitoring system based on Internet of things Download PDF

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Publication number
CN111487426A
CN111487426A CN202010564451.3A CN202010564451A CN111487426A CN 111487426 A CN111487426 A CN 111487426A CN 202010564451 A CN202010564451 A CN 202010564451A CN 111487426 A CN111487426 A CN 111487426A
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CN
China
Prior art keywords
subsystem
sample
pollution source
monitoring system
monitoring
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Pending
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CN202010564451.3A
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Chinese (zh)
Inventor
彭钧雄
简静仪
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Guangzhou Guanghuan Environmental Protection Technology Co ltd
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Guangzhou Guanghuan Environmental Protection Technology Co ltd
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Priority to CN202010564451.3A priority Critical patent/CN111487426A/en
Publication of CN111487426A publication Critical patent/CN111487426A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N35/00584Control arrangements for automatic analysers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/10Devices for withdrawing samples in the liquid or fluent state
    • G01N1/14Suction devices, e.g. pumps; Ejector devices
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/22Devices for withdrawing samples in the gaseous state
    • G01N1/24Suction devices

Abstract

The invention discloses a convergence and dispersion pollution source monitoring system based on the Internet of things. The system comprises: the power supply unit is connected with the power supply end of the pollution source monitoring system, the main controller is connected with the sample collection subsystem, the sample detection subsystem and the data processor which are electrically connected with the main controller; the main controller, the sample detection subsystem and the data processor are positioned in the base station; the sample collection subsystem comprises a sample extraction pump and a sample transportation pipeline, the sample extraction pump is used for extracting a sample at a wastewater discharge port or an exhaust gas exhaust port, and the sample reaches the sample detection subsystem through the sample transportation pipeline; the data processor is connected with the sample detection subsystem and is used for analyzing the detection result of the sample detection subsystem; the master controller is in communication connection with the monitoring platform and/or the mobile terminal. The monitoring platform and the mobile terminal can monitor the discharge condition of the pollution source in real time, and can control the discharge valve to be closed when the discharge exceeds the standard.

Description

Collection and dispersion pollution source monitoring system based on Internet of things
Technical Field
The invention relates to the technical field of pollution source monitoring, in particular to a convergence and dispersion pollution source monitoring system based on the Internet of things.
Background
Environmental monitoring is a basic means for understanding, mastering, evaluating and predicting environmental quality conditions, and is also a main source of environmental information. Government environmental law enforcement management and enterprise environmental pollution treatment need to master pollution source indexes and conditions in real time. Therefore, the online monitoring of the pollution source can monitor the pollution treatment condition of an enterprise and the regional environment quality in real time, and the coping capability of the environmental emergencies of the government is improved.
Pollution source online monitoring technology is relatively popular, but has some defects: 1. the traditional online monitoring system is installed in an equipment room on the factory site, and workers can obtain a detection result only on the site, so that the timeliness is lacked; 2. most enterprise online monitoring systems cannot be connected with an environmental protection bureau monitoring system, and the environmental protection bureau cannot monitor the pollution source emission condition of enterprises in real time; 3. the on-line monitoring system and the equipment have certain humidity and temperature requirements on the working environment, but the working environment of most of the existing on-line monitoring equipment rooms is difficult to meet the requirements, so that the fault frequency of the on-line monitoring system is increased; 4. workers need to be regularly arranged to go to the site to maintain the online monitoring system, and whether a fault exists or detection waste liquid needs to be cleaned is checked; 5. the environmental quality on-line monitoring system is mostly arranged in remote places far away from the power supply range, such as mountains, rivers, seas and lakes, and the like, and the power supply problem often exists during construction; after construction, also because of being in the suburb, the condition that partial equipment is stolen sometimes happens because of lack of care.
Disclosure of Invention
The invention aims to provide a convergence and dispersion pollution source monitoring system based on the Internet of things, so that workers can obtain a monitoring result of the emission condition of a pollution source only at a base station where the pollution source monitoring system is located without obtaining the monitoring result at a pollution source site.
In order to achieve the purpose, the invention provides the following scheme:
a gather dispersion pollution sources monitored control system based on thing networking includes: the power supply unit is connected with the power supply end of the pollution source monitoring system, the main controller is connected with the sample collection subsystem, the sample detection subsystem and the data processor which are electrically connected with the main controller; wherein the master controller, the sample detection subsystem and the data processor are located inside a base station;
the sample collection subsystem comprises a sample extraction pump and a sample transportation pipeline, wherein the sample extraction pump is used for extracting a sample at a wastewater discharge port or an exhaust gas exhaust port, and the sample reaches the sample detection subsystem through the sample transportation pipeline;
the data processor is connected with the sample detection subsystem and used for analyzing the detection result of the sample detection subsystem;
and the master controller is in communication connection with the monitoring platform and/or the mobile terminal.
Optionally, the pollution source monitoring system further includes a detection instrument calibration subsystem for calibrating a detection instrument in the sample detection subsystem.
Optionally, the data processor is further configured to send an alarm signal to the master controller when the detection result exceeds the standard.
Optionally, the pollution source monitoring system further comprises a waste liquid monitoring subsystem, wherein the waste liquid monitoring subsystem comprises a liquid level meter installed in the waste liquid storage device and a first processor electrically connected with the liquid level meter.
Optionally, the pollution source monitoring system further includes a fault alarm subsystem, where the fault alarm subsystem includes a monitoring device for monitoring an operation state of equipment in the pollution source monitoring system, and a second processor electrically connected to the monitoring device.
Optionally, the pollution source monitoring system further includes a security monitoring subsystem and an access identification subsystem electrically connected to the main controller, the security monitoring subsystem is configured to perform security monitoring on the inside and outside of a base station where the pollution source monitoring system is located, and the access identification subsystem is installed in the base station where the pollution source monitoring system is located.
Optionally, the pollution source monitoring system further comprises a temperature regulation subsystem and a humidity regulation subsystem;
the temperature regulation and control subsystem is electrically connected with the main controller and is used for regulating and controlling the temperature of the environment where the pollution source monitoring system is located;
and the humidity regulation and control subsystem is electrically connected with the master controller and is used for regulating and controlling the humidity of the environment where the pollution source monitoring system is located.
Optionally, the pollution source monitoring system further includes a display and a front end control platform electrically connected to the main controller, the display is used for displaying the analysis result of the sample, and a worker controls the operation of each device of the pollution source monitoring system and the opening and closing of the discharge valve at the pollution source discharge port through the front end control platform, wherein the control end of the discharge valve is electrically connected to the main controller.
Optionally, the monitoring platform and the mobile terminal control the opening and closing of the discharge valve at the pollution source discharge port through the main controller, wherein the control end of the discharge valve is electrically connected with the main controller, and the monitoring platform is installed inside an enterprise and/or at an environmental protection bureau.
Optionally, the power supply unit includes a solar power generation assembly, a wind power generation assembly, an electric energy storage assembly, and an external power transmission module.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects: the collecting and dispersing pollution source monitoring system based on the Internet of things is provided with a sample collecting subsystem, a sample detecting subsystem and a data processor, wherein the sample collecting subsystem can extract waste gas or waste water at a pollution source discharge port and convey the waste gas or waste water to a base station where the pollution source monitoring system is located through a sample conveying pipeline, the sample detecting subsystem in the base station detects collected samples, the data processor in the base station analyzes detection results, and a main controller in the base station uploads the analysis results to a monitoring platform and/or a mobile terminal. Because the invention is provided with the sample collection subsystem, workers can realize the monitoring result of the emission condition of the pollution source at the base station without acquiring the monitoring result on the site of the pollution source.
In addition, the monitoring platform can be arranged in an environmental protection bureau, and the real-time monitoring of the emission condition of the pollution source of the enterprise by the environmental protection bureau is realized. The invention also provides a temperature regulation and control subsystem and a humidity regulation and control subsystem for regulating and controlling the temperature and the humidity of the environment where the pollution source monitoring system is located, so that the normal operation of the pollution source monitoring system can be ensured. The invention also provides a waste liquid monitoring subsystem, which realizes automatic monitoring of waste liquid without regular inspection by workers. The invention also provides a safety monitoring subsystem and an access control system, which ensure the safety of the pollution source monitoring system. Furthermore, the power supply unit of the present invention has a power generation assembly, enabling the pollution source monitoring system provided by the present invention to be used in remote locations away from the supply of electricity.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a centralized and decentralized pollution source monitoring system based on the internet of things according to embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a centralized and decentralized pollution source monitoring system based on the internet of things according to embodiment 2 of the present invention;
fig. 3 is a schematic structural diagram of a centralized and decentralized pollution source monitoring system based on the internet of things according to embodiment 3 of the present invention;
fig. 4 is a schematic structural diagram of a centralized and decentralized pollution source monitoring system based on the internet of things according to embodiment 4 of the present invention;
fig. 5 is a schematic structural diagram of a centralized and decentralized pollution source monitoring system based on the internet of things according to embodiment 5 of the present invention;
fig. 6 is an operation flow chart of the centralized and decentralized pollution source monitoring system based on the internet of things in the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example 1
Fig. 1 is a schematic structural diagram of a centralized and decentralized pollution source monitoring system based on the internet of things according to embodiment 1 of the present invention, and referring to fig. 1, the centralized and decentralized pollution source monitoring system based on the internet of things according to this embodiment includes: the system comprises a power supply unit, a master controller 1, a sample collection subsystem 3, a sample detection subsystem 4 and a data processor 5, wherein the sample collection subsystem 3, the sample detection subsystem 4 and the data processor 5 are electrically connected with the master controller 1, the power supply unit supplies power for the whole pollution source monitoring system, and the power supply unit, the master controller 1, the sample detection subsystem 4 and the data processor 5 are arranged inside a base station. The sample collection subsystem 3 comprises a sample extraction pump and a sample transportation pipeline, the sample extraction pump is used for extracting a sample at a wastewater discharge port or an exhaust gas exhaust port, and the sample reaches the sample detection subsystem 4 in the base station through the sample transportation pipeline. The data processor 5 is connected with the sample detection subsystem 4 and is used for analyzing the detection result of the sample detection subsystem 4; the master controller 1 sends the analysis result of the data processor 5 to the monitoring platform and/or the mobile terminal.
In the embodiment, a sample extraction pump provides power to extract pollutants from a factory pollution source discharge port, the pollutants enter a sample detection subsystem 4 through a sample transportation pipeline, a liquid sensing device and/or a gas sensing device for detection are/is contained in the sample detection subsystem 4, and a data processor 5 acquires and analyzes and stores a detection result of the sensing device and sends the analysis result to a monitoring platform and/or a mobile terminal. The monitoring platform end and the working personnel of the mobile terminal can monitor indexes such as the emission concentration of pollutants in real time. The data collection center on the monitoring platform can obtain the basic monitoring data of each monitoring base station, also can obtain the positioning of the monitoring base stations, and displays the pollution degree of the environment index where the monitoring base stations are positioned on the regional satellite map by utilizing the shade of the color. Environmental protection systems such as environmental bureau can directly monitor the concentration of the pollution source or various environmental indexes of each monitoring base station in the area on the monitoring platform, and monitor suspicious pollution sources or places with abnormal environmental quality at any time through data summarization and analysis.
In this embodiment, as an implementation manner, the data processor 5 is further configured to send an alarm signal to the master controller 1 when the detection result exceeds the standard.
Preferably, a discharge valve is arranged at a discharge port of a factory pollution source, and the discharge valve is in control connection with the main controller 1. The staff can be according to the pollutant index of monitoring, at monitoring platform or mobile terminal through with the master controller 1 control the opening and close of emission valve. When the monitoring result exceeds the standard, the environmental protection bureau monitoring platform, the enterprise monitoring platform and the intelligent mobile terminal can acquire information and control the opening and closing of the discharge port at the first time, so that the discharge of the pollution source is blocked.
In this embodiment, the contamination source monitoring system further includes an instrument calibration subsystem 2 for calibrating the detection instrument in the sample detection subsystem 4.
Preferably, the power supply unit in this embodiment includes a solar power generation assembly, a wind power generation assembly, an electric energy storage assembly, and an external power transmission module. The monitoring base station adopts an external power transmission module as a main power supply, and solar energy, wind energy and the like as auxiliary power supplies. Under the environment with commercial power, external power transmission module is connected with the commercial power and transmits power to the main controller. Under the environment without commercial power, the electricity generation component generates electricity, the generated power is transmitted to the electric energy storage component, and the electric energy storage component transmits the electric power to the main controller.
Example 2
Fig. 2 is a schematic structural diagram of a system for monitoring a collective and decentralized pollution source based on the internet of things according to embodiment 2 of the present invention, and referring to fig. 2, on the basis of embodiment 1, the system for monitoring a collective and decentralized pollution source based on the internet of things further includes a waste liquid monitoring subsystem 6, where the waste liquid monitoring subsystem 6 includes a liquid level meter installed in a waste liquid storage device and a first processor electrically connected to the liquid level meter.
As an implementation manner, the pollution source monitoring system provided in this embodiment further includes a fault alarm subsystem 7, where the fault alarm subsystem 7 includes a monitoring device for monitoring an operation state of equipment in the pollution source monitoring system, and a second processor electrically connected to the monitoring device. For example, the monitoring device may be a flow meter for monitoring the operation state of the sample extraction pump, and the second processor may determine whether the operation of the sample extraction pump is abnormal according to the monitoring result of the flow meter, and send an abnormal signal to the monitoring platform through the master controller 1 when the operation of the sample extraction pump is abnormal.
This embodiment can monitor the running state and the detection waste liquid volume of the inside and outside equipment instrument of monitoring base station far away in the outskirts, and when the detection waste liquid was about to be fully loaded or equipment appeared the operation unusual, first treater or second treater can be with the waste liquid be about to fully load signal or equipment unusual signal transmission to monitor platform to arrange the staff and go to the maintenance or clear up the detection waste liquid.
Example 3
Fig. 3 is a schematic structural diagram of a centralized and decentralized pollution source monitoring system based on the internet of things according to embodiment 3 of the present invention, and referring to fig. 3, on the basis of the foregoing embodiment, the pollution source monitoring system according to this embodiment further includes a security monitoring subsystem 8 electrically connected to the master controller 1, and configured to perform security monitoring on the inside and outside of a base station where the pollution source monitoring system is located. Such as a monitoring camera, for obtaining monitoring pictures inside and outside the monitoring base station.
As an implementation manner, the pollution source monitoring system provided in this embodiment further includes an access identification subsystem 9 installed in a base station where the pollution source monitoring system is located, and the access identification subsystem 9 is electrically connected to the main controller 1.
Example 4
Fig. 4 is a schematic structural diagram of a centralized and decentralized pollution source monitoring system based on the internet of things according to embodiment 4 of the present invention, and referring to fig. 4, on the basis of the foregoing embodiment, the centralized and decentralized pollution source monitoring system based on the internet of things further includes a temperature regulation and control subsystem 10 and a humidity regulation and control subsystem 11 electrically connected to the master controller 1. The temperature regulation and control subsystem 10 is used for regulating and controlling the temperature of the environment where the pollution source monitoring system is located, and the humidity regulation and control subsystem 11 is used for regulating and controlling the humidity of the environment where the pollution source monitoring system is located.
Example 5
Fig. 5 is a schematic structural diagram of a centralized and decentralized pollution source monitoring system based on the internet of things according to embodiment 5 of the present invention, and referring to fig. 5, on the basis of the above embodiment, the centralized and decentralized pollution source monitoring system based on the internet of things further includes a display 12 and a front-end control platform 13, the display 12 is electrically connected to the main controller 1, the display 12 is configured to display a detection result of the sample, and a worker controls operation of each device of the pollution source monitoring system and opening and closing of a discharge valve at a pollution source discharge port through the front-end control platform 13.
The pollution source monitoring system provided by the invention can monitor the enterprise emission source, and can also be placed in an environment quality detection area to monitor the regional environment, and the operation flow is shown in fig. 6.
The convergence and dispersion pollution source monitoring system based on the Internet of things has the following advantages:
1. the system can monitor the whole process of the emission source or the regional environment quality of an enterprise in real time, and can call data for analysis at any time and any place.
2. The data of each monitoring base station can be collected and transmitted to a monitoring platform or a mobile terminal through network communication, the environmental protection systems such as an environmental protection bureau can intuitively monitor the pollution source concentration or various environmental indexes of each monitoring base station in an area on the monitoring platform, and suspicious pollution sources or places with abnormal environmental quality are monitored at any time through data collection and analysis so as to carry out environmental emergency treatment in the first time.
3. The data collection center on the monitoring platform can obtain the basic monitoring data of each monitoring base station and also can obtain the positioning of the monitoring base stations, and the environmental index pollution degree of the monitoring base stations is displayed on a regional satellite map by utilizing the color depth so as to analyze the relationship between the environmental quality of different regions in a region and the emission concentration of peripheral pollution sources.
4. The monitoring base station adopts solar energy, wind energy and the like as auxiliary energy sources, and particularly can solve the problems of difficult power connection and no power supply for the environmental quality monitoring base station generally arranged in remote suburbs, mountainous wastelands or lake rivers.
5. The invention can ensure the security of the internal and external equipment of the monitoring base station to prevent theft and ensure the security of the monitoring data in the monitoring base station.
6. For a base station for monitoring the pollution sources discharged by factories and enterprises, the base station is connected with a control valve of a pollution source discharge port, and when the monitoring result exceeds the standard, the environmental protection bureau monitoring platform, the enterprise monitoring platform and the intelligent mobile terminal can acquire information and control the opening and closing of the discharge port at the first time to block the discharge of the pollution sources.
7. The monitoring system can monitor the running state of the internal and external equipment instruments of the monitoring base station far away from outskirts and the detection waste liquid amount, and when the equipment runs abnormally or the detection waste liquid is about to be fully loaded, the information is sent to the monitoring platform through the network communication module, so that the workers can be arranged to maintain or clean the detection waste liquid, and the daily operation and maintenance cost and manpower of the monitoring base station are saved.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.

Claims (10)

1. The utility model provides a gather dispersion pollution sources monitored control system based on thing networking which characterized in that includes: the power supply unit is connected with the power supply end of the pollution source monitoring system, the main controller is connected with the sample collection subsystem, the sample detection subsystem and the data processor which are electrically connected with the main controller; wherein the master controller, the sample detection subsystem and the data processor are located inside a base station;
the sample collection subsystem comprises a sample extraction pump and a sample transportation pipeline, wherein the sample extraction pump is used for extracting a sample at a wastewater discharge port or an exhaust gas exhaust port, and the sample reaches the sample detection subsystem through the sample transportation pipeline;
the data processor is connected with the sample detection subsystem and used for analyzing the detection result of the sample detection subsystem;
and the master controller is in communication connection with the monitoring platform and/or the mobile terminal.
2. The internet of things-based convergent-divergent contamination source monitoring system of claim 1, further comprising a detection instrument calibration subsystem for calibrating a detection instrument in the sample detection subsystem.
3. The internet of things-based centralized and decentralized pollution source monitoring system according to claim 1, wherein the data processor is further configured to send an alarm signal to the master controller when a detection result exceeds a standard.
4. The internet of things-based centralized and decentralized pollution source monitoring system according to claim 1, further comprising a waste liquid monitoring subsystem including a liquid level meter installed in a waste liquid storage device and a first processor electrically connected to the liquid level meter.
5. The internet of things-based centralized and decentralized pollution source monitoring system according to claim 1, further comprising a fault alarm subsystem, wherein the fault alarm subsystem comprises a monitoring device for monitoring the operating state of equipment in the pollution source monitoring system and a second processor electrically connected to the monitoring device.
6. The internet of things-based centralized and decentralized pollution source monitoring system according to claim 1, further comprising a security monitoring subsystem and an access control identification subsystem electrically connected to the main controller, wherein the security monitoring subsystem is used for security monitoring inside and outside a base station where the pollution source monitoring system is located, and the access control identification subsystem is installed in the base station where the pollution source monitoring system is located.
7. The internet of things-based collective-decentralized pollution source monitoring system according to claim 1, further comprising a temperature regulation subsystem and a humidity regulation subsystem;
the temperature regulation and control subsystem is electrically connected with the main controller and is used for regulating and controlling the temperature of the environment where the pollution source monitoring system is located;
and the humidity regulation and control subsystem is electrically connected with the master controller and is used for regulating and controlling the humidity of the environment where the pollution source monitoring system is located.
8. The internet of things-based convergence and dispersion pollution source monitoring system as claimed in claim 1, further comprising a display electrically connected with the main controller and a front-end control platform, wherein the display is used for displaying the analysis result of the sample, and a worker controls the operation of each device of the pollution source monitoring system and the opening and closing of a discharge valve at a pollution source discharge port through the front-end control platform, wherein a control end of the discharge valve is electrically connected with the main controller.
9. The system for monitoring the convergence and dispersion pollution sources based on the internet of things of claim 1, wherein the monitoring platform and the mobile terminal control the opening and closing of a discharge valve at a pollution source discharge port through the main controller, wherein a control end of the discharge valve is electrically connected with the main controller, and the monitoring platform is installed inside an enterprise and/or an environmental protection bureau.
10. The internet of things-based centralized and decentralized pollution source monitoring system according to claim 1, wherein the power supply unit comprises a solar power generation assembly, a wind power generation assembly, an electric energy storage assembly and an external power transmission module.
CN202010564451.3A 2020-06-19 2020-06-19 Collection and dispersion pollution source monitoring system based on Internet of things Pending CN111487426A (en)

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CN202010564451.3A CN111487426A (en) 2020-06-19 2020-06-19 Collection and dispersion pollution source monitoring system based on Internet of things

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Application Number Priority Date Filing Date Title
CN202010564451.3A CN111487426A (en) 2020-06-19 2020-06-19 Collection and dispersion pollution source monitoring system based on Internet of things

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112798041A (en) * 2020-12-29 2021-05-14 南京爱动信息技术有限公司 Site environment monitoring system and method based on industrial production intellectualization
CN113110161A (en) * 2021-04-12 2021-07-13 厦门华夏国际电力发展有限公司 Credible monitoring method and system for wastewater discharge environment-friendly sampling data

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112798041A (en) * 2020-12-29 2021-05-14 南京爱动信息技术有限公司 Site environment monitoring system and method based on industrial production intellectualization
CN113110161A (en) * 2021-04-12 2021-07-13 厦门华夏国际电力发展有限公司 Credible monitoring method and system for wastewater discharge environment-friendly sampling data

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