CN116155930A - System for monitoring sewage transportation process - Google Patents

System for monitoring sewage transportation process Download PDF

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Publication number
CN116155930A
CN116155930A CN202210900511.3A CN202210900511A CN116155930A CN 116155930 A CN116155930 A CN 116155930A CN 202210900511 A CN202210900511 A CN 202210900511A CN 116155930 A CN116155930 A CN 116155930A
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sewage
monitoring
unit
data
liquid level
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汤勇
胡爱民
汪智勇
陶常友
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Anhui Wanzhouqing Environmental Technology Co ltd
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Anhui Wanzhouqing Environmental Technology Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract

The system comprises a sewage storage unit, a sewage receiving unit, a sewage discharge unit, a monitoring unit, a system control and communication unit and an internet cloud server, wherein the monitoring unit comprises a liquid level monitoring unit, a liquid flow monitoring unit, an inclination angle and vibration monitoring unit and a geographic position monitoring unit, the system control and communication unit receives monitoring data transmitted by the monitoring unit, analyzes and processes the monitoring data, periodically transmits the monitoring data to the internet cloud server, receives control signals transmitted by the internet cloud server and adjusts working parameters of the monitoring unit; the internet cloud server is used for receiving the monitoring data transmitted by the system control and communication unit, analyzing the data and implementing early warning or alarming aiming at abnormal conditions. The invention can realize the whole process monitoring of 'sewage receiving-sewage transferring-sewage discharging' in the sewage transferring process, and the effective comparison and verification of the liquid level height data and the liquid flow data.

Description

System for monitoring sewage transportation process
Technical Field
The invention relates to the technical field of sewage monitoring, in particular to a system for monitoring a sewage transferring process.
Background
The sewage treatment is an important content of environmental protection, and is also an environmental protection treatment direction which is important attention of the current country. The sewage treatment process is not complex, and the difficulty is mainly concentrated on collection and transportation. Since the sewage collection does not produce economic benefit, but rather extra expense is required, the operation manager of the sewage generation place has low enthusiasm for sewage collection business, and even has slight interference emotion.
On the other hand, sewage transfer transactions are often accepted by third party service companies, and governments are subsidized according to the amount of sewage they transfer. However, the wastewater transfer party may not receive a predetermined amount of wastewater because the attitude of the wastewater collection party is not positive. In order to achieve a predetermined sewage transfer allowance, complete a sewage transfer task and further obtain government subsidies, a sewage transfer party often intentionally and unintentionally counterfeits. For example, in combination with the sewage collector, the sewage is "impersonated with clean water", and even the transfer tool (such as a transfer vehicle and a transfer ship) is automatically filled with clean water. Therefore, the monitoring in the sewage transferring process is enhanced, and the method has important significance. However, the existing monitoring is mainly concentrated on the flow monitoring of the transportation tool during sewage discharge, and the state monitoring in the collecting and storing processes is lacked, and the sewage inflow and outflow cannot be effectively compared and verified.
In addition, sewage transportation tools may experience various complex conditions, such as bumpy roads, steep slopes, high winds and high waves on the river, and the like. Therefore, the influence of complex working conditions on monitoring data is fully considered during monitoring so as to avoid false alarm or missing report.
Disclosure of Invention
In order to better monitor the sewage transfer process, the invention provides a system for monitoring the sewage transfer process, which comprises the following specific schemes:
a system for monitoring a sewage transfer process, comprising
A sewage storage unit for storing sewage;
a sewage receiving unit for receiving sewage and transmitting the sewage to the sewage storage unit;
a sewage discharge unit for discharging sewage stored in the sewage storage unit;
the monitoring unit is used for monitoring the sewage state;
the system control and communication unit is used for receiving the monitoring data transmitted by the monitoring unit, analyzing and processing the monitoring data, periodically transmitting the monitoring data to the Internet cloud server, receiving a control signal transmitted by the Internet cloud server and adjusting the working parameters of the monitoring unit;
the internet cloud server is used for receiving the monitoring data transmitted by the system control and communication unit, analyzing the data and implementing early warning or alarming aiming at abnormal conditions;
the monitoring unit comprises
The liquid level monitoring unit is fixed on the sewage storage unit and is used for monitoring the liquid level of sewage in the sewage storage unit in real time;
the liquid flow monitoring unit is fixed at the sewage receiving unit and the discharging unit and is used for monitoring the collection and discharging conditions of sewage in real time;
the inclination angle and vibration monitoring unit is fixed at the sewage storage unit and is used for detecting the three-dimensional inclination and vibration conditions of the sewage transfer tool in real time;
and the geographic position monitoring unit is used for monitoring the geographic position of the sewage transferring tool in real time.
Specifically, the liquid level data processing and transmitting module in the liquid level height monitoring unit divides raw measurement data obtained continuously in real time into a plurality of sections according to specified time frequency, and averages the raw measurement data in each time section.
Specifically, the early warning of the internet cloud server analysis monitoring data comprises the following steps: and acquiring the liquid level and the dip angle monitored by the liquid level monitoring unit and real-time three-dimensional inclination angle and vibration condition data monitored by the vibration monitoring unit, calculating the ratio of the liquid level to the maximum available height of the sewage storage unit in real time, and determining that an abnormal condition needing early warning exists if the ratio is higher than 80%, the real-time three-dimensional inclination angle is not more than 15 degrees, and the vibration condition monitored by the vibration sensor is not more than the preset value of the sewage transfer tool.
Specifically, the flow data processing and transmitting module in the liquid flow monitoring unit marks the time point when the liquid starts to be discharged and the time point when the liquid is discharged based on the original measurement data acquired in real time; the time point at which the liquid starts to be discharged satisfies the following conditions: the flow rate is 0 in the continuous time which is not less than 30S before the time point, the real-time flow rate at the time point is more than 0, and the flow rate at each time point is more than 0 in the continuous time which is not less than 30S after the time point. The time point when the liquid discharge ends satisfies the following conditions: the flow rate at each time point is more than 0 in the continuous time which is not less than 30S before the time point, the real-time flow rate at the time point is more than 0, and the flow rate is 0 in the continuous time which is not less than 30S after the time point.
Specifically, the early warning of the internet cloud server analysis monitoring data comprises the following steps:
s11, calculating a first sewage net increment of the sewage storage unit based on the liquid flow data monitored by the liquid flow monitoring unit installed at the sewage receiving unit;
calculating a second net sewage increment of the sewage storage unit based on the liquid level change data monitored by the liquid level monitoring unit installed at the sewage storage unit, i.e
Second sewage increment=v post –V pre
Wherein V is post After the sewage is received, the volume corresponding to the sewage liquid level height in the sewage storage unit is V post The volume corresponding to the sewage liquid level height before the sewage is accepted;
s12, comparing the relative difference between the first sewage net increment and the second sewage net increment, and if the difference is more than 8%, determining that an abnormal condition needing to be alarmed exists; the relative difference is calculated as follows:
Figure BDA0003770769260000031
where abs is an absolute function, abs (x) means taking the absolute value of x.
Specifically, the early warning of the internet cloud server analysis monitoring data comprises the following steps:
s21, calculating a third sewage net decrement in the sewage storage unit during sewage discharge based on the liquid flow data monitored by the liquid flow monitoring unit installed at the sewage discharge unit;
based on the liquid level change data monitored by the liquid level monitoring unit arranged at the sewage storage unit, calculating the second sewage net decrement in the sewage storage unit during sewage discharge, wherein the specific formula is as follows:
second net sewage decrement=v pre –V post
Wherein V is pre Before the sewage discharge starts, the volume corresponding to the sewage liquid level height in the sewage storage unit is V post The volume corresponding to the sewage liquid level height after the sewage discharge is finished;
s22, comparing the relative difference of the third sewage net decrement and the fourth sewage net decrement, and if the difference is more than 8%, determining that an abnormal condition needing to be alarmed exists; the relative difference is calculated as follows:
Figure BDA0003770769260000041
where abs is an absolute function, abs (x) means taking the absolute value of x.
Specifically, the system control and communication unit periodically transmits monitoring data to the internet cloud server by means of a 4G/5G mobile communication technology, receives a control signal sent by the internet cloud server, and adjusts working parameters of the monitoring unit, wherein the working parameters of the monitoring unit are time and frequency adopted when the liquid level data analysis and transmission module of the liquid level height monitoring unit is adjusted to process the data.
Specifically, the data monitored by the liquid level monitoring unit, the inclination angle and vibration monitoring unit and the geographic positioning monitoring unit are transmitted to the internet cloud server in a regular transmission mode, and the data monitored by the liquid flow detecting unit are transmitted to the internet cloud server in a real-time transmission mode.
Specifically, the monitoring data periodically sent to the internet cloud server includes individual identification information, the current geographical location, the liquid level data in the sewage storage unit, inclination and vibration monitoring data, and monitoring time points or time periods corresponding to all the monitoring data.
Specifically, the monitoring data transmitted to the internet cloud server in real time after the end of sewage reception and discharge includes the following: individual identification information, the current geographic position, flow property, flow data, inclination angle and vibration monitoring data, and monitoring time points or time periods corresponding to all monitoring data; wherein, the flow property is divided into two types of sewage receiving and sewage discharging.
The invention has the beneficial effects that: the invention provides a system for monitoring a sewage transferring process, which can realize the whole process monitoring of sewage receiving-sewage transferring-sewage discharging in the sewage transferring process, and the effective comparison and verification of liquid level height data and liquid flow data by combining the monitoring of sewage liquid level height and liquid flow and the monitoring of the geographic positioning, three-dimensional inclination angle and vibration of a transferring tool.
Drawings
Fig. 1 is a block diagram of a system for monitoring a sewage transfer process according to the present invention.
Detailed Description
As shown in FIG. 1, a system for monitoring a sewage transfer process includes
A sewage storage unit for storing sewage;
a sewage receiving unit for receiving sewage and transmitting the sewage to the sewage storage unit;
a sewage discharge unit for discharging sewage stored in the sewage storage unit;
the liquid level monitoring unit is fixed on the sewage storage unit and is used for monitoring the liquid level of sewage in the sewage storage unit in real time;
the liquid flow monitoring unit is fixed at the sewage receiving unit and the discharging unit and is used for monitoring the collection and discharging conditions of sewage in real time;
the inclination angle and vibration monitoring unit is fixed at the sewage storage unit and is used for detecting the three-dimensional inclination and vibration conditions of the sewage transfer tool in real time;
the geographic position monitoring unit is used for monitoring the geographic position of the sewage transferring tool in real time;
the system control and communication unit is used for realizing information interaction with the Internet cloud server; and receiving the monitoring data transmitted by the monitoring unit, analyzing and processing the monitoring data, periodically transmitting the monitoring data to the Internet cloud server, receiving a control signal sent by the Internet cloud server, and adjusting the working parameters of the monitoring unit.
The internet cloud server is used for receiving the monitoring data transmitted by the system control and communication unit, analyzing the data and implementing early warning or alarming aiming at abnormal conditions.
The different units are described in detail below, respectively.
The liquid level monitoring unit and the liquid flow monitoring unit comprise a data acquisition module and a data processing and transmitting module; the data acquisition module acquires original detection data in real time through the sensor, the data processing and transmitting module processes the original data acquired by the data acquisition module according to a specified rule, and the processed data is transmitted to the system control and communication unit.
The liquid level data processing and transmitting module in the liquid level height monitoring unit divides raw measurement data obtained continuously in real time into a plurality of sections according to specified time frequency, and averages the raw measurement data in each time section, wherein in the scheme, the time frequency is 1 minute/time.
The flow data processing and transmitting module in the liquid flow monitoring unit marks the time point when the liquid starts to be discharged and the time point when the liquid is discharged based on the original measurement data acquired in real time, and calculates the sum of all flows in the discharge time period. The time point at which the liquid starts to be discharged satisfies the following conditions: in the continuous time of not less than 30S before the time point, the flow is 0, the real-time flow of the time point is more than 0, the flow of each time point is more than 0 in not less than 30S after the time point, the condition that the time point when the liquid discharge is finished is satisfied is that: the flow rate at each time point is more than 0 in the continuous time which is not less than 30S before the time point, the real-time flow rate at the time point is more than 0, and the flow rate is 0 in the continuous time which is not less than 30S after the time point.
The Internet cloud server analyzes three early warning conditions of the monitoring data, and the method specifically comprises the following steps:
first kind: and obtaining the liquid level and the dip angle monitored by the liquid level monitoring unit and the real-time three-dimensional inclination angle and vibration condition data monitored by the vibration monitoring unit, calculating the ratio of the liquid level to the maximum available height of the sewage storage unit in real time, and if the ratio is higher than 80%, determining that the abnormal condition needing early warning exists under the three conditions that the real-time three-dimensional inclination angle is not more than 15 degrees and the vibration condition monitored by the vibration sensor does not exceed the preset value of the sewage transfer tool.
The second specific procedure is as follows:
s11, calculating a first sewage net increment of the sewage storage unit based on the liquid flow data monitored by the liquid flow monitoring unit installed at the sewage receiving unit;
calculating a second net sewage increment of the sewage storage unit based on the liquid level change data monitored by the liquid level monitoring unit installed at the sewage storage unit, i.e
Second sewage increment=v post –V pre
Wherein V is post After the sewage is received, the volume corresponding to the sewage liquid level height in the sewage storage unit is V post The volume corresponding to the sewage liquid level height before the sewage is accepted;
s12, comparing the relative difference between the first sewage net increment and the second sewage net increment, and if the difference is more than 8%, determining that an abnormal condition needing to be alarmed exists. The relative difference is calculated as follows:
Figure BDA0003770769260000071
/>
where abs is an absolute function, abs (x) means taking the absolute value of x.
The third specific procedure is as follows:
s21, calculating a third sewage net decrement in the sewage storage unit during sewage discharge based on the liquid flow data monitored by the liquid flow monitoring unit installed at the sewage discharge unit;
based on the liquid level change data monitored by the liquid level monitoring unit arranged at the sewage storage unit, calculating the second sewage net decrement in the sewage storage unit during sewage discharge, wherein the specific formula is as follows:
second net sewage decrement=v pre –V post
Wherein V is pre Before the sewage discharge starts, the volume corresponding to the sewage liquid level height in the sewage storage unit is V post The volume corresponding to the sewage liquid level height after the sewage discharge is finished;
s22, comparing the relative difference of the third sewage net decrement and the fourth sewage net decrement, and if the difference is more than 8%, determining that an abnormal condition needing to be alarmed exists. The relative difference is calculated as follows:
Figure BDA0003770769260000081
where abs is an absolute function, abs (x) means taking the absolute value of x.
The system control and communication unit is internally provided with personal identity information so as to facilitate the personal identity recognition of the sewage transfer tool, monitor data are periodically transmitted to the Internet cloud server by means of a 4G/5G mobile communication technology, and control signals sent by the Internet cloud server are received to adjust the working parameters of the monitoring unit. Preferably, the working parameter of the adjusting and monitoring unit is time frequency adopted when the liquid level data analysis and transmission module of the adjusting and liquid level height monitoring unit performs data processing.
Specifically, the data monitored by the liquid level monitoring unit, the inclination angle and vibration monitoring unit and the geographic positioning monitoring unit are transmitted to the internet cloud server in a mode of periodic transmission, and in the scheme, the data are transmitted for 1 time per minute; the mode of transmitting the data monitored by the liquid flow detection unit to the Internet cloud server is real-time transmission, and the time limit in the scheme is within 1 minute after the sewage is received.
When the 4G/5G mobile communication network cannot be connected, the data to be transmitted can be temporarily stored, and after the connection with the 4G/5G mobile communication network is restored, the stored and unsent data are transmitted to the Internet cloud server.
The monitoring data sent to the internet cloud server at regular intervals comprise individual identification information, the current geographical position, liquid level data in the sewage storage unit, inclination angle and vibration monitoring data and monitoring time points or time periods corresponding to all the monitoring data. The monitoring data which are sent to the internet cloud server in real time after the sewage is accepted and discharged comprises the following contents: individual identification information, the current geographic location, flow properties, flow data, tilt angle and vibration monitoring data, and monitoring time points or time periods corresponding to all the monitoring data. Wherein, the flow property is divided into two types of sewage receiving and sewage discharging.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (10)

1. A system for monitoring a sewage transfer process, comprising
A sewage storage unit for storing sewage;
a sewage receiving unit for receiving sewage and transmitting the sewage to the sewage storage unit;
a sewage discharge unit for discharging sewage stored in the sewage storage unit;
the monitoring unit is used for monitoring the sewage state;
the system control and communication unit is used for receiving the monitoring data transmitted by the monitoring unit, analyzing and processing the monitoring data, periodically transmitting the monitoring data to the Internet cloud server, receiving a control signal transmitted by the Internet cloud server and adjusting the working parameters of the monitoring unit;
the internet cloud server is used for receiving the monitoring data transmitted by the system control and communication unit, analyzing the data and implementing early warning or alarming aiming at abnormal conditions;
the monitoring unit comprises
The liquid level monitoring unit is fixed on the sewage storage unit and is used for monitoring the liquid level of sewage in the sewage storage unit in real time;
the liquid flow monitoring unit is fixed at the sewage receiving unit and the discharging unit and is used for monitoring the collection and discharging conditions of sewage in real time;
the inclination angle and vibration monitoring unit is fixed at the sewage storage unit and is used for detecting the three-dimensional inclination and vibration conditions of the sewage transfer tool in real time;
and the geographic position monitoring unit is used for monitoring the geographic position of the sewage transferring tool in real time.
2. The system for monitoring a sewage transfer process according to claim 1, wherein the liquid level data processing and transmitting module in the liquid level monitoring unit divides raw measurement data continuously acquired in real time into a plurality of sections according to a specified time frequency, and averages the raw measurement data in each time section.
3. The system for monitoring a sewage transfer process according to claim 1, wherein the internet cloud server analyzes the pre-warning of the monitoring data by: and acquiring the liquid level and the dip angle monitored by the liquid level monitoring unit and real-time three-dimensional inclination angle and vibration condition data monitored by the vibration monitoring unit, calculating the ratio of the liquid level to the maximum available height of the sewage storage unit in real time, and determining that an abnormal condition needing early warning exists if the ratio is higher than 80%, the real-time three-dimensional inclination angle is not more than 15 degrees, and the vibration condition monitored by the vibration sensor is not more than the preset value of the sewage transfer tool.
4. The system for monitoring a sewage transfer process according to claim 1, wherein the flow data processing and transmitting module in the liquid flow monitoring unit marks a time point when liquid starts to be discharged and a time point when liquid discharge ends based on raw measurement data acquired in real time; the time point at which the liquid starts to be discharged satisfies the following conditions: the flow rate is 0 in the continuous time which is not less than 30S before the time point, the real-time flow rate at the time point is more than 0, and the flow rate at each time point is more than 0 in the continuous time which is not less than 30S after the time point. The time point when the liquid discharge ends satisfies the following conditions: the flow rate at each time point is more than 0 in the continuous time which is not less than 30S before the time point, the real-time flow rate at the time point is more than 0, and the flow rate is 0 in the continuous time which is not less than 30S after the time point.
5. The system for monitoring a sewage transfer process according to claim 1, wherein the early warning of the internet cloud server analysis monitoring data comprises the steps of:
s11, calculating a first sewage net increment of the sewage storage unit based on the liquid flow data monitored by the liquid flow monitoring unit installed at the sewage receiving unit;
calculating a second net sewage increment of the sewage storage unit based on the liquid level change data monitored by the liquid level monitoring unit installed at the sewage storage unit, i.e
Second sewage increment=v post –V pre
Wherein V is post After the sewage is received, the sewage liquid in the sewage storage unitVolume corresponding to the surface height, V post The volume corresponding to the sewage liquid level height before the sewage is accepted;
s12, comparing the relative difference between the first sewage net increment and the second sewage net increment, and if the difference is more than 8%, determining that an abnormal condition needing to be alarmed exists; the relative difference is calculated as follows:
Figure FDA0003770769250000031
where abs is an absolute function, abs (x) means taking the absolute value of x.
6. The system for monitoring a sewage transfer process according to claim 1, wherein the early warning of the internet cloud server analysis monitoring data comprises the steps of:
s21, calculating a third sewage net decrement in the sewage storage unit during sewage discharge based on the liquid flow data monitored by the liquid flow monitoring unit installed at the sewage discharge unit;
based on the liquid level change data monitored by the liquid level monitoring unit arranged at the sewage storage unit, calculating the second sewage net decrement in the sewage storage unit during sewage discharge, wherein the specific formula is as follows:
second net sewage decrement=v pre –V post
Wherein V is pre Before the sewage discharge starts, the volume corresponding to the sewage liquid level height in the sewage storage unit is V post The volume corresponding to the sewage liquid level height after the sewage discharge is finished;
s22, comparing the relative difference of the third sewage net decrement and the fourth sewage net decrement, and if the difference is more than 8%, determining that an abnormal condition needing to be alarmed exists; the relative difference is calculated as follows:
Figure FDA0003770769250000032
where abs is an absolute function, abs (x) means taking the absolute value of x.
7. The system for monitoring a sewage transfer process according to claim 1, wherein the system control and communication unit periodically transmits monitoring data to the internet cloud server by means of a 4G/5G mobile communication technology, receives a control signal sent by the internet cloud server, adjusts an operating parameter of the monitoring unit, and the operating parameter of the monitoring unit is a time frequency adopted when the liquid level data analysis and transmission module of the liquid level height adjustment monitoring unit performs data processing.
8. The system for monitoring a sewage transfer process according to claim 1, wherein the data monitored by the liquid level monitoring unit, the inclination angle and vibration monitoring unit and the geolocation monitoring unit are transmitted to the internet cloud server in a regular transmission manner, and the data monitored by the liquid flow rate detecting unit are transmitted to the internet cloud server in a real-time transmission manner.
9. The system for monitoring a sewage transfer process according to claim 8, wherein the monitoring data periodically transmitted to the internet cloud server includes individual identification information, a current geographical location, liquid level data in the sewage storage unit, inclination and vibration monitoring data, and monitoring time points or time periods corresponding to all the monitoring data.
10. The system for monitoring a sewage transfer process according to claim 8, wherein the monitoring data transmitted to the internet cloud server in real time after the end of the sewage reception and discharge comprises: individual identification information, the current geographic position, flow property, flow data, inclination angle and vibration monitoring data, and monitoring time points or time periods corresponding to all monitoring data; wherein, the flow property is divided into two types of sewage receiving and sewage discharging.
CN202210900511.3A 2022-07-28 2022-07-28 System for monitoring sewage transportation process Pending CN116155930A (en)

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CN107990934A (en) * 2017-11-21 2018-05-04 浙江农林大学 A kind of wisdom supervisory systems of pig-breeding industry sewage discharge
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CN109399738A (en) * 2018-11-21 2019-03-01 高瓴环境科技有限公司 A kind of sewage disposal system of automatic control
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CN112863134A (en) * 2020-12-31 2021-05-28 浙江清华长三角研究院 Intelligent diagnosis system and method for rural sewage treatment facility abnormal operation
CN113588001A (en) * 2021-08-12 2021-11-02 上海宏英智能科技股份有限公司 Engineering machine tool state monitoring system
CN214660646U (en) * 2021-03-16 2021-11-09 北京唐智科技发展有限公司 Static inclination angle and vibration monitoring system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10501925B1 (en) * 2015-03-20 2019-12-10 Christopher Conway Lavenson Notifications for reducing overflows from combined sewer systems and sanitary sewer systems
CN205192526U (en) * 2015-11-17 2016-04-27 湖州上电科电器科学研究有限公司 Commodity circulation transportation monitoring devices
CN107990934A (en) * 2017-11-21 2018-05-04 浙江农林大学 A kind of wisdom supervisory systems of pig-breeding industry sewage discharge
CN108062067A (en) * 2018-01-18 2018-05-22 杭州美尼特自动化仪表有限公司 A kind of pollution sources real time and on line monitoring system and its monitoring method
CN109399738A (en) * 2018-11-21 2019-03-01 高瓴环境科技有限公司 A kind of sewage disposal system of automatic control
CN112863134A (en) * 2020-12-31 2021-05-28 浙江清华长三角研究院 Intelligent diagnosis system and method for rural sewage treatment facility abnormal operation
CN214660646U (en) * 2021-03-16 2021-11-09 北京唐智科技发展有限公司 Static inclination angle and vibration monitoring system
CN113588001A (en) * 2021-08-12 2021-11-02 上海宏英智能科技股份有限公司 Engineering machine tool state monitoring system

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