CN111650341A - Online monitoring system for gas-phase pollutants of drainage pipe network - Google Patents
Online monitoring system for gas-phase pollutants of drainage pipe network Download PDFInfo
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- CN111650341A CN111650341A CN202010568279.9A CN202010568279A CN111650341A CN 111650341 A CN111650341 A CN 111650341A CN 202010568279 A CN202010568279 A CN 202010568279A CN 111650341 A CN111650341 A CN 111650341A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 36
- 238000004891 communication Methods 0.000 claims abstract description 31
- 230000008054 signal transmission Effects 0.000 claims abstract description 26
- 238000006243 chemical reaction Methods 0.000 claims abstract description 25
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 18
- 239000007789 gas Substances 0.000 claims description 12
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 11
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims description 11
- 230000003750 conditioning effect Effects 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 7
- 238000010248 power generation Methods 0.000 claims description 7
- 230000007958 sleep Effects 0.000 claims description 4
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- 238000012545 processing Methods 0.000 abstract description 3
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/0044—Sulphides, e.g. H2S
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/0047—Organic compounds
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Abstract
The invention relates to the technical field of municipal drainage monitoring, and discloses an online monitoring system for gas-phase pollutants in a drainage pipe network, which comprises: the sensor assembly comprises a sensor for collecting the concentration of the gas-phase pollutants, a signal conversion unit for converting the gas-phase pollutant concentration data into signals, a signal transmission unit for transmitting the signals and a signal interpretation unit for interpreting the signals, which are sequentially connected; and the signal receiving server of the remote module is in communication connection with the signal interpretation unit through the communication transmission server of the wireless transmission module. According to the invention, the sensor assembly is used for collecting the concentration of the gas-phase pollutants of the drainage pipe network on line, processing the data, converting the data into signal transmission, transmitting the signal transmission to the remote module through the wireless transmission module, and acquiring the concentration of the gas-phase pollutants on line by using the remote module to realize on-line monitoring.
Description
Technical Field
The invention relates to the technical field of municipal drainage monitoring, in particular to an online monitoring system for gas-phase pollutants in a drainage pipe network.
Background
In recent years, the urban water environment pollution situation in China is still severe, the problems in the operation of urban drainage pipe networks are increasingly prominent, especially the problems of pipe network corrosion, stink, explosion and the like are serious to harm human body and environmental health, and hydrogen sulfide and methane are main substances causing the problems. The important technical means for solving the relevant problems is to strengthen the informatization construction of the urban drainage pipe network, the information monitoring for realizing the operation of the drainage pipe network by gas-phase hydrogen sulfide and methane is the premise and the basis for realizing the informatization management of the pipe network, and the requirements of monitoring technology and devices suitable for the operation conditions of the drainage pipe network are more and more urgent.
Drainage pipe network's operational environment condition is abominable, and the pipeline inner space is narrow and small, and the installation operating condition of device is all convenient inadequately, and inconvenient municipal power that provides in the pipeline, on-line monitoring device's power supply condition is also inconvenient, simultaneously, because the pipeline is in underground and seals, signal transmission is extremely restricted, and impurity, corrosive substance in the pipeline can produce destruction to the device, consequently require than higher to the interference killing feature of device normal operating.
In research, the acquisition system in the prior art can realize the acquisition function of gas phase sulfide and methane of a drainage pipe network, but the acquisition system cannot be monitored on line in real time and operated continuously for a long time due to the lack of effective data transmission means and high power consumption of power supply, and cannot well meet the requirements of construction and technical development of the information system of the existing drainage pipe network.
Disclosure of Invention
Technical problem to be solved
The embodiment of the invention aims to provide an online monitoring system for gas-phase pollutants in a drainage pipe network, which aims to solve the technical problem that the real-time online monitoring cannot be realized in the prior art.
(II) technical scheme
In order to solve the above technical problem, an embodiment of the present invention provides an online monitoring system for gas phase pollutants in a drainage pipe network, including:
the sensor assembly comprises a sensor for collecting the concentration of gas-phase pollutants, a signal conversion unit for converting gas-phase pollutant concentration data into signals, a signal transmission unit for transmitting the signals and a signal interpretation unit for interpreting the signals, wherein the sensor, the signal conversion unit, the signal transmission unit and the signal interpretation unit are sequentially in communication connection;
the wireless transmission module comprises a communication transmission server which is in communication connection with the signal interpretation unit and is used for transmitting online monitoring data;
and the remote module comprises a signal receiving server which is in communication connection with the communication transmission server so as to acquire online monitoring data.
The sensor assembly further comprises a signal storage unit, and the signal storage unit is in communication connection between the signal transmission unit and the signal interpretation unit.
The sensor assembly further comprises a power supply module, the sensor assembly further comprises a power supply management unit, and the power supply module is connected with the sensor, the signal conversion unit, the signal transmission unit, the signal storage unit and the signal interpretation unit through the power supply management unit respectively so as to control the sensor, the signal conversion unit, the signal transmission unit, the signal storage unit and the signal interpretation unit to be in sleep and awaken periodically.
The power supply module comprises a solar photovoltaic power generation unit and a storage battery connected with the solar photovoltaic power generation unit.
The sensor assembly further comprises a shell and a waterproof breathable film, wherein an air cavity is formed in the shell, an air hole used for communicating the air cavity with the outside of the shell is formed in the surface of the shell, the waterproof breathable film is arranged between the air hole and the air cavity, and the air cavity is communicated with the sensor.
The waterproof breathable film comprises an air cavity and a fixing plate, wherein the fixing plate is arranged between the air hole and the air cavity and used for fixing the waterproof breathable film.
The wireless transmission module further comprises a web application server, a database connection buffer pool is built in the communication transmission server, and the communication transmission server is in communication connection with the web application server through the database connection buffer pool.
The signal conversion unit further comprises a filtering subunit and a signal conditioning subunit, and is used for filtering and conditioning the signal.
The sensor assembly comprises an address code identification unit and a base body, the base body comprises a plurality of plug-ins used for installing the sensor, the plug-ins are different in address code setting, the address code identification unit is connected with the signal conversion unit and used for identifying the address code and sending the address code to the signal conversion unit.
Wherein, the sensor comprises a hydrogen sulfide concentration sensor for collecting the concentration of hydrogen sulfide and a methane concentration sensor for collecting the concentration of methane.
(III) advantageous effects
According to the online monitoring system for the gas-phase pollutants of the drainage pipe network, provided by the embodiment of the invention, the sensor assembly is used for online collecting the concentration of the gas-phase pollutants of the drainage pipe network, processing the data, converting the data into a signal for transmission, transmitting the signal to the remote module through the wireless transmission module, and acquiring the concentration of the gas-phase pollutants online by using the remote module to realize online monitoring.
Drawings
FIG. 1 is a schematic structural diagram of an online monitoring system for gas-phase pollutants in a drainage pipe network according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a sensor assembly according to an embodiment of the invention.
Reference numerals:
1: a sensor assembly; 101: a display screen; 102: an integrated circuit; 103: a sensor; 104: an air cavity; 105: a fixing plate; 106: a waterproof breathable film; 107: air holes; 108: a housing; 2: a power supply module; 3: a wireless transmission module; 4: and a remote module.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 and fig. 2, an embodiment of the present invention discloses an online monitoring system for gas phase pollutants in a drainage pipe network, including:
the sensor assembly 1, the sensor assembly 1 includes sensor 103 that is used for gathering gaseous phase pollutant concentration, is used for the signal conversion unit that converts gaseous phase pollutant concentration data into the signal, is used for the signal transmission unit of transmission signal and is used for interpreting the signal interpretation unit of signal, and sensor 103, signal conversion unit, signal transmission unit and signal interpretation unit are communication connection in proper order.
The sensor 103 includes a hydrogen sulfide concentration sensor for collecting a hydrogen sulfide concentration and a methane concentration sensor for collecting a methane concentration, and other types of sensors 103 may be used according to the type of the gas phase contaminant, and the range of the sensor used in the present invention is not limited thereto.
Further, the sensor assembly 1 further comprises a signal storage unit, the signal storage unit is connected between the signal transmission unit and the signal interpretation unit in a communication mode, and the signal storage unit is used for storing signals.
Further, the sensor assembly 1 also includes a display screen 101 for displaying the real-time concentration of the gas phase contaminants in the drain network.
Specifically, the sensor 103 in the sensor assembly 1 in this embodiment is installed in the ceiling of a drainage pipe network inspection well, so as to realize online collection of multi-point gas-phase pollutant concentrations. The signal conversion unit, the signal transmission unit, signal storage unit and signal interpretation unit are all installed on integrated circuit 102, through linking to each other with sensor 103, adopt optic fibre electricity to connect or other communication connection modes to realize data transmission, handle the data that sensor 103 gathered, change the monitoring data of sensor 103 into the signal through the signal conversion unit, and transmit through the signal transmission unit and store the signal for the signal storage unit, the signal interpretation unit is through interpreting the signal to in the signal storage unit, can carry out signal transmission in other subassemblies.
And the wireless transmission module 3, the wireless transmission module 3 comprises a communication transmission server, and the communication transmission server is in communication connection and is used for transmitting the online monitoring data.
And the remote module 4 comprises a signal receiving server, and the signal receiving server is in communication connection with the communication transmission server to acquire online monitoring data.
Specifically, the wireless transmission module 3 of the present embodiment is configured to transmit the signal interpreted by the signal interpretation unit to the remote module 4, and the remote module 4 receives the signal to obtain the online monitoring data. In addition, the remote module 4 in this embodiment can receive and display the monitoring data, display the operating status of each component, and control the sensor assembly 1 through the wireless transmission module 3, for example, control the operating status of the sensor 103, when to start operating, when to stop operating, and the like through the remote module 4, and can synchronously control the operating status of the integrated circuit 102.
According to the online monitoring system for the gas-phase pollutants of the drainage pipe network, provided by the embodiment of the invention, the sensor assembly 1 is used for online collecting the concentration of the gas-phase pollutants of the drainage pipe network, processing the data, converting the data into a signal for transmission, transmitting the signal to the remote module 4 through the wireless transmission module 3, and acquiring the concentration of the gas-phase pollutants online by using the remote module 4 to realize online monitoring.
The sensor assembly 1 further comprises a power management unit, and the power module 2 is connected to the sensor 103, the signal conversion unit, the signal transmission unit, the signal storage unit and the signal interpretation unit through the power management unit, so as to control the sensor 103, the signal conversion unit, the signal transmission unit, the signal storage unit and the signal interpretation unit to sleep and wake up periodically. Specifically, the components in this embodiment select components with lower power consumption, and on the premise of ensuring validity and accuracy of data acquisition, the programs in the power management unit are used to periodically sleep and periodically wake up each unit, so as to implement low-power management and implement cooperative and synchronous work of data acquisition and communication transmission. The power supply of the power supply module 2 is turned on and off, and the regular dormancy and regular wake-up procedures of the power management unit can be controlled by the remote module 4 through the wireless transmission module 3.
Further, the power supply module 2 includes a solar photovoltaic power generation unit and a storage battery connected with the solar photovoltaic power generation unit. In the embodiment, the power source of the power supply module 2 is mainly solar energy, the solar photovoltaic power generation is performed, the electric quantity is stored in the storage battery, and the electric energy of the storage battery is output to the sensor 103 and each unit in the sensor assembly 1.
As shown in fig. 2, the sensor assembly 1 further includes a housing 108 and a waterproof air-permeable membrane 106, wherein an air cavity 104 is configured inside the housing 108, an air hole 107 for communicating the air cavity 104 with the outside of the housing 108 is configured on the surface of the housing 108, the waterproof air-permeable membrane 106 is disposed between the air hole 107 and the air cavity 104, and the air cavity 104 is communicated with the sensor 103. Specifically, the gas of drain pipe network passes through the gas pocket 107 among this embodiment, stores in entering into air cavity 104 through waterproof ventilated membrane 106, because inside waterproof ventilated membrane 106's effect made the liquid in the drain pipe network can not enter into casing 108, avoids sensor 103 because the circumstances that the intaking leads to failing, and sensor 103 monitors the gas composition concentration in the air cavity 104, can obtain corresponding gas phase pollution's concentration data.
Further, the present embodiment further includes a fixing plate 105, wherein the fixing plate 105 is disposed between the air hole 107 and the air cavity 104 for fixing the waterproof air-permeable membrane 106. Specifically, as shown in fig. 2, two fixing plates 105 are fixed at positions between the air holes 107 and the air cavities 104, and the waterproof breathable film 106 is placed between the two fixing plates 105, so that the fixing is firm, and when the waterproof breathable film 106 needs to be replaced, the fixing plates 105 can be taken down, and the waterproof breathable film 106 can be replaced.
The wireless transmission module 3 further comprises a web application server, a database connection buffer pool is built in the communication transmission server, and the communication transmission server is in communication connection with the web application server through the database connection buffer pool. The user can establish connection with web application server with the B/S mode through devices such as office computer, portable computer, look over online monitoring data in real time, and wireless transmission module 3 can provide multiple radio signal transmission function, including different form radio signal transmission functions such as GPRS, provide multiple radio signal transmission function, establish multiple spot position pipe network system monitoring network, overcome underground drainage pipe network environment and shield remote signal transmission and the random separation influence, realize carrying out multiple spot position synchronous real-time acquisition and monitoring to the water yield quality change in the pipe network.
The signal conversion unit further comprises a filtering subunit and a signal conditioning subunit, and is used for filtering and conditioning (amplifying, reducing or frequency modulating) signals, realizing power isolation management of different sensing signal acquisition paths, avoiding interaction influence of different sensing signal acquisition modes and power supply requirements on signal acquisition, and further realizing integrated acquisition of signals of different principle parameter sensors 103 for different water quantities and different water qualities.
The sensor assembly 1 comprises an address code identification unit and a base body, the base body comprises a plurality of plug-in units used for installing the sensor 103, different address codes are set on different plug-in units, and the address code identification unit is connected with the signal conversion unit and used for identifying the address codes and sending the address codes to the signal conversion unit. In this embodiment, the sensor 103 is mounted on a substrate, and different plug-in units on the substrate are provided with different address codes for identifying the type of data collected by the sensor 103, for example, the concentration of hydrogen sulfide needs to be collected, and then the address code below the substrate of the hydrogen sulfide concentration sensor can be identified by the address code identification unit, so that the sensor mounted on the substrate is known as the sensor for detecting the concentration of hydrogen sulfide, and meanwhile, the information identified by the address code identification unit is sent to the signal conversion unit to be matched with the collected gas-phase pollutant concentration data.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides an online monitoring system of drainage pipe network gas phase pollutant which characterized in that includes:
the sensor assembly comprises a sensor for collecting the concentration of gas-phase pollutants, a signal conversion unit for converting gas-phase pollutant concentration data into signals, a signal transmission unit for transmitting the signals and a signal interpretation unit for interpreting the signals, wherein the sensor, the signal conversion unit, the signal transmission unit and the signal interpretation unit are sequentially in communication connection;
the wireless transmission module comprises a communication transmission server which is in communication connection with the signal interpretation unit and is used for transmitting online monitoring data;
and the remote module comprises a signal receiving server which is in communication connection with the communication transmission server so as to acquire online monitoring data.
2. The system of claim 1, wherein the sensor assembly further comprises a signal storage unit communicatively coupled between the signal transmission unit and the signal interpretation unit.
3. The system of claim 2, further comprising a power supply module, wherein the sensor assembly further comprises a power management unit, and the power supply module is connected to the sensor, the signal conversion unit, the signal transmission unit, the signal storage unit and the signal interpretation unit through the power management unit, respectively, so as to control the sensor, the signal conversion unit, the signal transmission unit, the signal storage unit and the signal interpretation unit to sleep and wake up periodically.
4. The system of claim 3, wherein the power module comprises a solar photovoltaic power generation unit and a storage battery connected to the solar photovoltaic power generation unit.
5. The online monitoring system for gas phase pollutants in a drainage pipe network according to claim 1, wherein the sensor assembly further comprises a housing and a waterproof breathable film, an air cavity is constructed in the housing, an air hole for communicating the air cavity with the outside of the housing is constructed on the surface of the housing, the waterproof breathable film is arranged between the air hole and the air cavity, and the air cavity is communicated with the sensor.
6. The on-line monitoring system for gas-phase pollutants in a drainage pipe network of claim 5, further comprising a fixing plate, wherein the fixing plate is arranged between the air hole and the air cavity and used for fixing the waterproof breathable film.
7. The system for on-line monitoring of gas-phase pollutants in a drainage pipe network of claim 1, wherein the wireless transmission module further comprises a web application server, a database connection buffer pool is built in the communication transmission server, and the communication transmission server is in communication connection with the web application server through the database connection buffer pool.
8. The online monitoring system for gas-phase pollutants in a drainage pipe network according to claim 1, wherein the signal conversion unit further comprises a filtering subunit and a signal conditioning subunit, and the filtering subunit and the signal conditioning subunit are used for filtering and conditioning signals.
9. The system of claim 1, wherein the sensor assembly comprises an address code recognition unit and a base, the base comprises a plurality of plug-in units for mounting the sensor, different plug-in units are provided with different address codes, and the address code recognition unit is connected with the signal conversion unit and used for recognizing the address codes and sending the address codes to the signal conversion unit.
10. The system for on-line monitoring of gas phase contaminants in a drainpipe network as claimed in any one of claims 1 to 9, wherein the sensors comprise a hydrogen sulfide concentration sensor for collecting a hydrogen sulfide concentration and a methane concentration sensor for collecting a methane concentration.
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| CN202010568279.9A CN111650341A (en) | 2020-06-19 | 2020-06-19 | Online monitoring system for gas-phase pollutants of drainage pipe network |
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| CN202010568279.9A CN111650341A (en) | 2020-06-19 | 2020-06-19 | Online monitoring system for gas-phase pollutants of drainage pipe network |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114061652A (en) * | 2021-09-29 | 2022-02-18 | 清华大学 | Drain pipe network monitoring facilities |
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| CN107769153A (en) * | 2017-11-28 | 2018-03-06 | 江苏南能电气有限公司 | It is a kind of based on the arc light protecting system being wirelessly transferred |
| CN107796667A (en) * | 2017-12-11 | 2018-03-13 | 百奥森（江苏）食品安全科技有限公司 | A kind of safe water quality detection sampler |
| CN108592989A (en) * | 2017-12-14 | 2018-09-28 | 丹阳市科尔精密电子有限公司 | A kind of detection of gas flow rate equipment of waterproof ventilated membrane |
| CN108693337A (en) * | 2018-03-15 | 2018-10-23 | 中广核工程有限公司 | A kind of device and method for nuclear power plant concrete containment Crack Monitoring |
| CN208224192U (en) * | 2018-03-15 | 2018-12-11 | 南京固攀自动化科技有限公司 | A kind of SF6 on-line monitoring sensor signal processing circuit |
| CN208254991U (en) * | 2018-06-21 | 2018-12-18 | 李汉燕 | A kind of soil and fertilizer chlorinity detection device |
| CN110108839A (en) * | 2019-04-25 | 2019-08-09 | 汉威科技集团股份有限公司 | A kind of gas detector of single-chamber body band light alarm |
| CN110702739A (en) * | 2019-09-26 | 2020-01-17 | 中电共建科技(北京)有限公司 | Road surface state detection early warning method and device |
| CN110933598A (en) * | 2019-12-13 | 2020-03-27 | 杭州城基管道科技有限公司 | Drainage pipe network monitoring device, system and monitoring method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114061652A (en) * | 2021-09-29 | 2022-02-18 | 清华大学 | Drain pipe network monitoring facilities |
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