CN115684530A - Drainage multi-parameter online water quality micro-station - Google Patents
Drainage multi-parameter online water quality micro-station Download PDFInfo
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Abstract
The invention discloses a water quality online monitoring control micro-station, which comprises a remote measuring terminal, wherein the remote measuring terminal comprises a single chip microcomputer, the single chip microcomputer comprises a microcontroller, the controller is connected with a timer, the timer is connected with a power supply module, the microcontroller controls the intermittent power supply of the online water quality micro-station and controls the work of the remote measuring terminal through the timer, the power supply module is connected with a cleaning module, and the power supply module supplies power to an automatic cleaning module; an energy storage circuit is connected between the microcontroller and the wireless communication module, and the current passing through the energy storage circuit is controlled by the microcontroller; the microcontroller is connected with the serial interface, the serial interface is connected with the acquisition end, and the acquisition end is used for acquiring environmental information; the remote terminal communicates with the monitoring center through the wireless communication module to transfer data. The telemetering terminal is intermittently powered, self-discharge of a disposable high-capacity lithium battery is low, high-frequency data monitoring conditions can be met, and data coverage is higher than that of a common telemetering terminal.
Description
Technical Field
The invention relates to the field of environmental monitoring, in particular to a drainage multi-parameter online water quality micro-station.
Background
The urban drainage system plays an important role in the urban sewage collection and treatment link, is an important municipal infrastructure for guaranteeing the life of people, the urban environment and the urban safety, and the safe and effective operation of the urban drainage pipe network is also an important guarantee for the urban water environment quality. In recent years, the urban water environment pollution situation in China is still severe, the country pays more and more attention to the operation of the urban drainage pipe network, the strengthening of the water quality monitoring of the urban drainage pipe network is an important technical means for solving related problems, and the requirements of monitoring technology and devices for the operation conditions of the drainage pipe network are pressing day by day. The actual operation environment of the drainage pipe network is very complex, the installation and operation conditions of any device are not convenient enough, and the municipal power supply cannot be normally connected in the pipeline; the sewage conveyed in the pipeline has complex components, more deposited impurities and stronger corrosivity, and has great requirements on the corrosion resistance and the stability of the device. It finds that the monitoring system in the prior art can realize the on-line monitoring function of the water quantity and partial water quality parameters of a drainage pipe network in research, and solve the power supply problem of the device operation through modes such as storage battery power supply and adjustment collection period, but most of the monitoring can only realize the monitoring requirement of partial water quality parameters, and need to repeatedly clean equipment in the use process, a large amount of detection reagents can be used simultaneously, unnecessary waste and secondary pollution are caused, the required operation and maintenance work is complicated, and the target of the construction and development of the existing drainage pipe network information system can not be well met.
Therefore, the technical problem to be solved by the invention is mainly how to ensure the stable operation of the water quality multi-parameter instrument, continuously supply power and reduce the operation and maintenance amount in a severe underground drainage pipe network environment.
Chinese utility model patent application 200520009768.1 discloses a water supply online integrated parameter observes and controls appearance, although mention one kind in this patent document and support multiple parameter quality of water on-line monitoring device, its circuit structure is complicated, the testing result of various parameters also adopts solitary display module to show, not only increase system cost, and make the device bulky, the turbidity sensor and the chlorine residue sensor that adopt also are the independent type installation, do not adopt integrated device, so the maintenance and the debugging of device still are very complicated, operating requirement is higher, and also do not disclose the concrete control mode of this instrument in this patent document, relevant technical staff still can't realize optimal control effect through the technique that discloses. Patent No. 201822227148.5 also discloses a water quality monitor, and this water quality monitor's key feature can carry out the monitoring at distant place and the water source of near department simultaneously, is convenient for carry out the monitoring contrast of quality of water, utilizes the offal monitoring of water pipe replacement detector moreover, has reduced the production degree of difficulty of detector. However, the above-mentioned technical detector has the following disadvantages: 1. the monitor needs to be repeatedly cleaned in the using process, thereby wasting a large amount of reagents and causing secondary pollution. 2. The device can not reach the ability target of continuous intermittent type power supply in the operation process, and power consumption is higher under the data monitoring condition of high frequency. Meanwhile, most water quality monitoring devices on the market have low water quality monitoring frequency, which results in low sample coverage rate of monitoring time and low monitoring information amount, and when detecting and analyzing parameters such as permanganate index, BOD, NH4-N, NO3-N and the like, the used methods all adopt chemical reagents, the structures of monitoring instruments are very complex, so that the maintenance workload is large, each parameter monitoring usually needs a corresponding detection and analysis instrument, so that a multi-parameter automatic online water quality monitoring system is very huge, the system needs to use a large amount of chemical reagents and a large amount of maintenance work for long-term operation, the use cost of the operation system is very high, and the chemical reagents can bring secondary pollution to the environment. The method also comprises the following defects that the standardization degree is not high, and each system is independently manufactured and has no uniformity. And secondly, considering the corrosion resistance and the water resistance, most of systems adopt a cabinet type, and the use of a common cabinet cannot achieve the corrosion resistance and the water resistance. And thirdly, the pipeline is not sealed, and much leakage exists, and the system adopts the sampling pipeline to arrange disorderly, so that the leakage condition is often serious due to blockage. And fourthly, the intelligent degree of the system is not high, namely, analog signals and the like are sampled, the controlled information acquisition quantity is small, and the intelligent degree of control is small. And fifthly, the remote controllability is poor, namely the existing integrated system basically has no functions of controlling the operation, state inquiry, reverse control and the like of the system by a remote control module.
Disclosure of Invention
In order to overcome the defects that the power supply problem of the running of the device is solved by the modes of power supply of a storage battery, acquisition period adjustment and the like in the background technology, but most of the monitoring can only realize the monitoring requirements of partial water quality parameters, equipment needs to be repeatedly cleaned in the using process, a large amount of detection reagents are used, unnecessary waste and secondary pollution are caused, the required operation and maintenance work is complicated, and the target of construction and development of the existing drainage pipe network information system cannot be well met, the invention aims to provide the water quality online monitoring and control micro-station.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a water quality on-line monitoring control micro station comprises a remote measuring terminal, a monitoring center and an automatic cleaning module;
the remote measuring terminal comprises a single chip microcomputer, a wireless communication module, a power supply module and a serial interface, wherein the single chip microcomputer comprises a microcontroller, the controller is connected with a timer, the timer is connected with the power supply module, the microcontroller controls the power supply module through the timer to control the intermittent power supply of the online water quality micro station, the microcontroller controls the work of the remote measuring terminal through the time set by the timer, the power supply module is connected with the cleaning module, and the power supply module is used for supplying power to the automatic cleaning module and driving the automatic cleaning module to work;
an energy storage circuit is connected between the microcontroller and the wireless communication module, and the current passing through the energy storage circuit is controlled by the microcontroller; the microcontroller is connected with the serial interface, the serial interface is connected with the acquisition end, and the acquisition end is used for acquiring environmental information;
the remote terminal communicates with the monitoring center through the wireless communication module to transfer data.
In some possible embodiments, the collection end comprises:
the COD sensor is used for collecting COD information in water;
the ammonia nitrogen sensor is used for acquiring ammonia nitrogen information in water;
the SS alarm is used for acquiring smoke information in the control station;
the temperature sensor is used for acquiring temperature information in the control station;
the pH sensor is used for acquiring pH information in water;
a conductivity sensor for collecting conductivity information of the water;
a solubility sensor for collecting solubility information of water.
In some possible embodiments, the telemetry terminal is operable to:
carrying out self-checking after electrification;
detecting a time reference, and entering acquisition work if the acquisition time is reached; if the acquisition time is not reached, entering a dormant state;
analyzing the acquired environmental information, comparing data and judging whether the environmental information is normal or not; if the data is abnormal, reporting the data immediately, and if the data is normal, checking whether the data is stored or not;
if the acquisition interval is consistent with the storage interval, storing the data, and if the storage interval is not reached, discarding and sleeping;
when the stored data reaches the reporting interval, entering data uploading; if the reporting interval does not reach, continuing to sleep, and awakening to enter data reporting after the reporting time is reached;
entering a dormant state after the data reporting is finished;
and then the steps are continuously repeated according to the set time of the timer.
In some possible implementation manners, the monitoring center issues a control instruction to the remote terminal through the wireless communication module, and the remote terminal feeds back an event report, an instruction response and a data report to the monitoring center through the wireless communication module, and the specific implementation steps are as follows:
creating products and equipment through a monitoring center: creating a product in a product center, defining the function and the capability of the product by adding service attributes, constructing a complete product model, and enabling an equipment end to be linked with a platform by adding equipment;
creating an application: newly adding application in application management, and acquiring relevant information of the application, wherein the information is used for modifying a subsequent configuration file and developing an interface during calling;
and (3) online simulation joint debugging: by online simulation of the product center and operation monitoring in the construction deployment, uplink and downlink data operation of the equipment end can be simulated, and the interactive process among the application, the platform and the hardware can be intuitively understood.
In some possible embodiments, the automatic cleaning module comprises a storage battery, an air pump, a first water pipe, a second water pipe and a third water pipe, the storage battery is connected with the air pump, the air pump is connected with one end of the first water pipe, the other end of the first water pipe extends into water, the air pump is respectively connected with one ends of the second water pipe and the third water pipe, the other ends of the second water pipe and the third water pipe are respectively connected with a sprayer, the sprayer is located near a detection groove of the monitoring probe module and aligns to the detection groove, and the monitoring probe module is connected with the storage battery.
In some possible embodiments, the monitoring probe module comprises a conductivity probe, a pH probe, an ammonia nitrogen probe, a solubility probe, a COD probe, and a temperature probe.
In some possible embodiments, the interface of the probe is an RS-485 interface.
In some possible embodiments, the wireless communication module is an NB-loT module.
The invention has the beneficial effects that:
1. through the telemetering terminal machine based on the power supply module, the telemetering terminal machine can supply power intermittently, the self-discharge of the disposable high-capacity lithium battery is very low, the high-frequency data monitoring condition can be met, and the data coverage is higher than that of a common telemetering terminal machine.
2. Can monitor various water quality parameters, and meet the requirements of water quality monitoring equipment under the condition of increasingly paying attention to environmental protection.
3. The data transmission is stable, manual collection is not needed, and the data processed by the data collection processor is sent to the monitoring center remotely.
4. The operation cost is low, and the safety is high. The system has the advantages that no chemical reagent is needed, the system is small in size and high in detection and analysis speed, the detection and analysis of parameters can be completed in a short time, the system is strong in function, low in investment and self-cleaning, is suitable for long-term continuous automatic online monitoring of different water bodies, the reagent-free system is extremely low in operation and use cost, the automatic cleaning function can guarantee the accuracy of probe data, and the operation safety of the probe is guaranteed.
Drawings
FIG. 1 is a schematic diagram of a telemetry terminal according to an embodiment of the invention;
FIG. 2 is a diagram illustrating data flow according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an application scenario of an automatic cleaning module according to an embodiment of the present invention;
in the figure: 1. a storage battery; 2. an air pump; 3. a first water pipe; 4. a second water pipe; 5. a third water pipe; 6. A spray head; 7. and a monitoring probe module.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
Referring to fig. 1, the embodiment provides a water quality online monitoring and controlling micro station, which comprises a remote terminal, a monitoring center and an automatic cleaning module;
the remote measurement terminal comprises a single chip microcomputer, a wireless communication module, a power supply module (comprising a lithium battery and a power supply chip, wherein the power supply chip is connected with the lithium battery) and a serial interface, the single chip microcomputer comprises a microcontroller, the controller is connected with a timer, the timer is connected with the power supply chip, the microcontroller controls the intermittent power supply of the online water quality micro station by setting time through the timer, the microcontroller controls the work of the remote measurement terminal by setting time through the timer, the power supply module is connected with the cleaning module, and the power supply module is used for supplying power to the automatic cleaning module and driving the automatic cleaning module to work;
an energy storage circuit is connected between the microcontroller and the wireless communication module, and the current passing through the energy storage circuit is controlled by the microcontroller; the microcontroller is connected with the serial interface, the serial interface is connected with the acquisition end, and the acquisition end is used for acquiring environmental information; the collection end comprises:
the COD sensor is used for collecting COD information in water;
the ammonia nitrogen sensor is used for acquiring ammonia nitrogen information in water;
the SS alarm is used for acquiring smoke information in the control station;
the temperature sensor is used for acquiring temperature information in the control station;
and the pH sensor is used for acquiring pH information in the water.
The remote terminal communicates with the monitoring center through the wireless communication module to transfer data.
The singlechip converts COD information collected by a COD sensor, an ammonia nitrogen sensor, an SS alarm, a temperature sensor, a pH sensor, a conductivity sensor, a solubility sensor and the like, ammonia nitrogen information, smoke information, temperature information, pH information, conductivity parameters, solubility parameters and the like into corresponding electric signals through an A/D converter, the microcontroller processes the electric signals and converts the electric signals into corresponding digital signals, the digital signals are transmitted to a monitoring center through a wireless communication module, the monitoring center displays monitoring results through a computer and a mobile phone, so that the running state of the hydrological equipment can be comprehensively known, and the accuracy of the monitoring results of the hydrological equipment is improved.
If the environmental information acquired by any sensor at the acquisition end is higher than the preset value of the monitoring center, the sensed abnormal information is reported to the monitoring center through the wireless network for alarming, and after receiving the alarming information, the administrator timely informs the staff of checking the scene, so that the work of the staff on-site patrol is reduced.
On the basis of the embodiment, the working steps of the telemetry terminal comprise:
carrying out self-checking after electrifying;
detecting a time reference, and entering acquisition work if the acquisition time is reached; if the acquisition time is not reached, entering a dormant state;
analyzing the acquired environmental information, comparing data and judging whether the environmental information is normal or not; if the data is abnormal, reporting the data immediately, and if the data is normal, checking whether the data is stored or not;
if the acquisition interval is consistent with the storage interval, storing the data, and if the storage interval is not reached, discarding and sleeping;
when the stored data reaches the reporting interval, entering data uploading; if the reporting interval does not come, continuing to sleep, and awakening to enter data reporting after the reporting time is reached;
entering a dormant state after the data reporting is finished;
and then the steps are continuously repeated according to the set time of the timer.
On the basis of the above embodiment, referring to fig. 2, the monitoring center issues a control command to a device, that is, a telemetry terminal, through a wireless communication module (NB-loT or LwM 2M), and the telemetry terminal reports an event, a command response, and a data report back to the monitoring center through the wireless communication module (NB-loT or LwM 2M), wherein the monitoring center is based on a CTWing platform, and the specific implementation steps are as follows:
creating products and equipment through a CTWing platform: creating a product in a product center, defining the function and the capability of the product by adding service attributes, constructing a complete product model, and enabling a remote terminal machine end to be linked with a platform by adding a remote terminal machine;
creating an application: adding new application in application management, acquiring relevant information (AppKey AppSecret) of the application, namely subscribing and pushing, wherein the information is used for modifying subsequent configuration files and developing an interface during calling, namely API calling; the application will push the MQ message to the cache of the CTWing platform.
And (3) online simulation joint debugging: through online simulation of a product center and operation monitoring in construction and deployment, uplink and downlink data operation of a remote terminal end can be simulated, and the interaction process among applications, platforms and equipment can be intuitively known.
On the basis of the above embodiment, see that fig. 3 shows, the self-cleaning module includes battery 1, air pump 2, first water pipe 3, second water pipe 4 and third water pipe 5, battery 1 and air pump 2 are connected, for the power supply of air pump 2, air pump 2 is connected with the one end of first water pipe 3, the other end of first water pipe 3 stretches into the aquatic, air pump 2 is connected with the one end of second water pipe 4 and third water pipe 5 respectively, the other end of second water pipe 4 and third water pipe 5 is connected with shower nozzle 6 respectively, shower nozzle 6 is located near the detection recess of monitor probe module 7, and aims at the detection recess, monitor probe module 7 is connected with battery 1.
The flow rate of the matched air pump 2 is 70L/min, the matched air pump is driven by the power supply module, and the lithium battery supplies power to the cleaning module through the timer; the timer can be used for setting power on and power off at any time interval; and is typically set to power on for 15 minutes every two hours, as is practical.
On the basis of the embodiment, the monitoring probe module 7 comprises a conductivity probe, a pH probe, an ammonia nitrogen probe, a solubility probe, a COD probe and a temperature probe.
On the basis of the above embodiment, the interface of the probe is an RS485 interface. RS485 is a standard defined to balance the electrical characteristics of drivers and receivers in digital multipoint systems, and is defined by the telecommunications industry association and the electronics industry consortium. The digital communication network using the standard can effectively transmit signals under long-distance conditions and in environments with large electronic noise.
On the basis of the above embodiment, the wireless communication module is an NB-loT module. NB-loT (Narrow Band Internet of Things) is constructed in a cellular network, only the bandwidth of about 180kHz is consumed, and the NB-loT can be directly deployed in a GSM network, a UMTS network or an LTE network so as to reduce the deployment cost and realize smooth upgrading. NB-IoT is an emerging technology in the IoT domain that supports cellular data connectivity for low power devices over wide area networks, also known as Low Power Wide Area Networks (LPWANs). NB-IoT supports efficient connectivity for devices with long standby time and high requirements for network connectivity. Environmental information collected by the collection end is uploaded to the monitoring center in real time through the NB-loT module, and the problems of long monitoring blind area and high operation and maintenance cost of the hydrological equipment are solved. The above embodiments are merely illustrative of the technical concept and features of the present invention, and the present invention is not limited thereto, and any equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (8)
1. A little station of quality of water on-line monitoring control which characterized in that: the remote monitoring system comprises a remote monitoring terminal, a monitoring center and an automatic cleaning module;
the remote-measuring terminal comprises a single chip microcomputer, a wireless communication module, a power supply module and a serial interface, wherein the single chip microcomputer comprises a microcontroller, the controller is connected with a timer, the timer is connected with the power supply module, the microcontroller controls the intermittent power supply of the online water quality micro-station through the timer, the microcontroller controls the work of the remote-measuring terminal through the set time of the timer, the power supply module is connected with the cleaning module, and the power supply module is used for supplying power to the automatic cleaning module and driving the automatic cleaning module to work;
an energy storage circuit is connected between the microcontroller and the wireless communication module, and the current passing through the energy storage circuit is controlled by the microcontroller; the microcontroller is connected with the serial interface, the serial interface is connected with the acquisition end, and the acquisition end is used for acquiring environmental information;
the remote terminal communicates with the monitoring center through the wireless communication module to transfer data.
2. The water quality on-line monitoring and controlling micro-station as claimed in claim 1, which is characterized in that: the collection end includes:
the COD sensor is used for collecting COD information in water;
the ammonia nitrogen sensor is used for acquiring ammonia nitrogen information in water;
the SS alarm is used for acquiring smoke information in the control station;
the temperature sensor is used for acquiring temperature information in the control station;
the pH sensor is used for acquiring pH information in water;
a conductivity sensor for collecting conductivity information of the water;
a solubility sensor for collecting solubility information of water.
3. The water quality on-line monitoring and controlling micro-station as claimed in claim 1, which is characterized in that: the working steps of the telemetering terminal comprise:
carrying out self-checking after electrifying;
detecting a time reference, and if the acquisition time is reached, entering the acquisition work; if the acquisition time is not reached, entering a dormant state;
analyzing the acquired environmental information, comparing data and judging whether the environmental information is normal or not; if the data is abnormal, reporting the data immediately, and if the data is normal, checking whether the data is stored or not;
if the acquisition interval is consistent with the storage interval, storing the data, and if the storage interval is not reached, discarding and sleeping;
when the stored data reaches the reporting interval, entering data uploading; if the reporting interval does not come, continuing to sleep, and awakening to enter data reporting after the reporting time is reached;
entering a dormant state after the data reporting is finished;
and then the steps are continuously repeated according to the set time of the timer.
4. The water quality on-line monitoring and controlling micro-station as claimed in claim 1, which is characterized in that: the monitoring center issues a control instruction to the remote measuring terminal through the wireless communication module, and the remote measuring terminal feeds back an event report, an instruction response and a data report to the monitoring center through the wireless communication module, and the specific implementation steps are as follows:
creating products and equipment through a monitoring center: creating a product in a product center, defining the function and the capability of the product by adding service attributes, constructing a complete product model, and enabling an equipment end to be linked with a platform by adding equipment;
creating an application: newly adding application in application management, and acquiring relevant information of the application, wherein the information is used for modifying a subsequent configuration file and developing an interface during calling;
and (3) online simulation joint debugging: by on-line simulation of the product center and operation monitoring in the construction and deployment, uplink and downlink data operation of the equipment end can be simulated, and the interactive process among the application, the platform and the hardware can be intuitively known.
5. The water quality on-line monitoring and controlling micro-station as claimed in claim 1, which is characterized in that: the automatic cleaning module comprises a storage battery (1), an air pump (2), a first water pipe (3), a second water pipe (4) and a third water pipe (5), the storage battery (1) is connected with the air pump (2), the air pump (2) is connected with one end of the first water pipe (3), the other end of the first water pipe (3) stretches into water, the air pump (2) is connected with one ends of the second water pipe (4) and the third water pipe (5) respectively, the other ends of the second water pipe (4) and the third water pipe (5) are connected with a sprayer (6) respectively, the sprayer (6) is located near a detection groove of a monitoring probe module (7) and aligns to the detection groove, and the monitoring probe module (7) is connected with the storage battery (1).
6. The water quality on-line monitoring and controlling micro-station as claimed in claim 1, which is characterized in that: the monitoring probe module (7) comprises a conductivity probe, a pH probe, an ammonia nitrogen probe, a solubility probe, a COD probe and a temperature probe.
7. The water quality on-line monitoring and controlling micro-station as claimed in claim 5, which is characterized in that: the interface of the probe is an RS-485 interface.
8. The water quality on-line monitoring and controlling micro-station as claimed in claim 1, which is characterized in that: the wireless communication module is an NB-loT module.
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| JP2000131310A (en) * | 1998-10-28 | 2000-05-12 | Hitachi Ltd | Self-diagnostic function for water quality meter |
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| CN207780563U (en) * | 2018-02-01 | 2018-08-28 | 中国水产科学研究院淡水渔业研究中心 | A kind of water quality monitoring node and water quality monitoring system based on NB-IoT |
| CN110441487A (en) * | 2018-05-04 | 2019-11-12 | 杭州钧工机器人科技有限公司 | Water quality monitoring system and operating method based on NB-IOT |
| CN213435924U (en) * | 2020-09-11 | 2021-06-15 | 江苏易域经环境科技有限公司 | Automatic cleaning device for online cleaning of water quality detection probe |
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2022
- 2022-11-10 CN CN202211404774.1A patent/CN115684530A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000131310A (en) * | 1998-10-28 | 2000-05-12 | Hitachi Ltd | Self-diagnostic function for water quality meter |
| CN101281187A (en) * | 2008-04-08 | 2008-10-08 | 杭州电子科技大学 | Water environment monitoring node based on ZigBee wireless technique |
| CN207780563U (en) * | 2018-02-01 | 2018-08-28 | 中国水产科学研究院淡水渔业研究中心 | A kind of water quality monitoring node and water quality monitoring system based on NB-IoT |
| CN110441487A (en) * | 2018-05-04 | 2019-11-12 | 杭州钧工机器人科技有限公司 | Water quality monitoring system and operating method based on NB-IOT |
| CN213435924U (en) * | 2020-09-11 | 2021-06-15 | 江苏易域经环境科技有限公司 | Automatic cleaning device for online cleaning of water quality detection probe |
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