CN111855939A - Water quality monitoring device and water quality real-time monitoring system - Google Patents
Water quality monitoring device and water quality real-time monitoring system Download PDFInfo
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- CN111855939A CN111855939A CN202010681747.3A CN202010681747A CN111855939A CN 111855939 A CN111855939 A CN 111855939A CN 202010681747 A CN202010681747 A CN 202010681747A CN 111855939 A CN111855939 A CN 111855939A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 82
- 238000012544 monitoring process Methods 0.000 title claims abstract description 58
- 238000012806 monitoring device Methods 0.000 title claims abstract description 31
- 238000007667 floating Methods 0.000 claims abstract description 45
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- 238000004891 communication Methods 0.000 claims abstract description 21
- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 claims description 7
- 239000000523 sample Substances 0.000 claims description 7
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 11
- 238000012423 maintenance Methods 0.000 abstract description 7
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- G—PHYSICS
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- 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
- G01N33/18—Water
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
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- G01P5/08—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring variation of an electric variable directly affected by the flow, e.g. by using dynamo-electric effect
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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Abstract
The invention discloses a water quality monitoring device and a real-time water quality monitoring system, which comprise a floating device, a monitoring device and a power supply device, wherein the floating device is connected with the monitoring device; the floating device comprises a floating platform, and an outer-layer filtering structure is arranged at the bottom of the floating platform; the monitoring device comprises an equipment box, wherein the bottom of the equipment box is provided with an inner-layer filtering structure, and the inner-layer filtering structure penetrates through the through hole and is positioned in the outer-layer filtering structure; the device comprises an equipment box, a water quality detection sensor, a water quality detection module, a wireless communication module and a water quality detection sensor, wherein the equipment box is internally provided with a collection box which is detachably connected to the bottom of the equipment box; the power supply device comprises a solar cell panel, a solar charging module, a hydrodynamic turbine fan blade, a hydrodynamic turbine charging module and a storage battery. The invention can improve the power supply stability of the system and improve the structure for disassembly and assembly on the basis of realizing remote real-time monitoring of water quality, thereby reducing the maintenance difficulty.
Description
Technical Field
The invention relates to the technical field of water quality monitoring, in particular to a water quality monitoring device and a water quality real-time monitoring system.
Background
The water quality monitoring is the main basis of water quality evaluation and water pollution prevention, so that the establishment of a real-time water quality monitoring and early warning system provides data and data for water environment management, and has important significance in acquiring water body pollution distribution conditions and change trends. The main techniques traditionally used for river water quality monitoring include laboratory manual monitoring and automatic monitoring stations. The laboratory manual monitoring frequency depends on the sampling frequency of laboratory personnel, the labor intensity is high, the reaction is delayed, the real-time change condition of water quality cannot be reflected, and the sampling and sample conveying processes can generate certain influence on the detection result due to the fact that the chemical properties of certain parameters are not stable enough, so that the technical operation requirement is high, and even only field detection can be carried out. The on-line water quality monitoring instrument is installed in the automatic monitoring station, the water quality change can be reflected in real time, but the on-line monitoring instrument is expensive, so that the construction cost and the maintenance cost of the monitoring station are high, the position is fixed, the site cannot be moved, the requirements on the smoothness of power supply and communication are high, the monitoring distribution point is limited, and the water quality condition is difficult to reflect comprehensively.
In the prior art, a wireless water quality monitoring system is designed for water quality monitoring in the face of technical defects of a laboratory manual monitoring station and an automatic monitoring station, common monitoring points are arranged in a river, the difficulty of laying power supply lines is high, and if solar energy is only adopted as a single energy source, the influence of natural conditions such as day and night, cloudy and sunny conditions, sunlight illumination and the like is large, so that the long-time stable power supply is difficult to guarantee. In addition, like CN 201721104347.6's buoy type water quality monitoring device because the sensor node is fixed to be set up on the device shell, because the long-time plankton that leads to the surface adhesion of soaking in the environment under water of water quality monitoring sensor for the sensor needs regularly to maintain, the calibration is in order to guarantee measurement accuracy, but current wireless monitoring system is the structure form of sensor and floating platform main part integral type usually, this kind of integrated configuration need wholly take out the surface of water when maintaining and just can dismouting sensor and relevant module, lead to the operation process complicated, need consume great manpower, material resources.
Disclosure of Invention
The invention provides a water quality monitoring device and a water quality real-time monitoring system, which are used for solving the technical problems of high power consumption, unstable power supply, complex disassembly and assembly of an integrated structure and inconvenient maintenance of the conventional wireless monitoring system.
In order to solve the technical problem, an embodiment of the invention provides a water quality monitoring device, which comprises a floating device, a monitoring device and a power supply device, wherein the floating device is connected with the monitoring device;
the floating device comprises a floating platform, the floating platform is provided with a through hole penetrating through the upper surface and the lower surface of the floating platform, and the bottom of the floating platform is provided with an outer-layer filtering structure;
the monitoring device comprises an equipment box, the bottom of the equipment box is provided with an inner-layer filtering structure, the equipment box is supported at the top of the floating platform, and the inner-layer filtering structure penetrates through the through hole and is positioned in the outer-layer filtering structure;
the equipment box is internally provided with a collecting box which is detachably connected with the bottom of the equipment box, a collecting module, a wireless communication module and a plurality of water quality detecting sensors are arranged in the collecting box, the wireless communication module and the water quality detecting sensors are respectively connected with the collecting module, and probes of the water quality detecting sensors are fixed in the inner-layer filtering structure;
The power supply device comprises a solar cell panel, a solar charging module, a hydrodynamic turbine fan blade, a hydrodynamic turbine charging module and a storage battery;
the solar cell panel is arranged on the equipment box, the solar charging module, the storage battery and the hydrodynamic turbine charging module are all arranged in the equipment box, and the solar charging module is respectively connected with the solar cell panel and the storage battery;
the hydrodynamic turbine fan blades and the hydrodynamic turbine charging module are connected to the floating platform, and the hydrodynamic turbine charging module is respectively connected with the hydrodynamic turbine fan blades and the storage battery.
In one embodiment of the invention, a bottom plate arranged at the bottom of the collecting box is provided with a sliding buckle, the bottom of the equipment box is provided with a sliding groove, and the sliding buckle and the sliding groove form a matching structure.
In one embodiment of the invention, the solar panel is arranged on the top of the equipment box.
In one embodiment of the present invention, among the plurality of water quality detection sensors, one of the water quality detection sensors may be a PH sensor, a temperature sensor, an ammonia nitrogen sensor, a turbidity sensor, or a dissolved oxygen sensor. And a PH sensor, a temperature sensor, an ammonia nitrogen sensor, a turbidity sensor, a dissolved oxygen sensor and other water quality detection sensors can be arranged in the acquisition box.
In one embodiment of the present invention, the wireless communication module is a wireless LORA module.
In one embodiment of the invention, a display module is further arranged in the collection box, and the display module is connected with the storage battery.
In one embodiment of the invention, the floating platform is circular in cross section.
In one embodiment of the present invention, the hydrodynamic turbine blade is disposed on a side of the floating platform.
In one embodiment of the present invention, the inner layer filtering structure and the outer layer filtering structure are both cylindrical filtering nets.
The embodiment of the invention also provides a water quality real-time monitoring system which comprises a monitoring cloud platform, a wireless gateway and a plurality of monitors which are arranged separately from the wireless gateway, wherein the monitors are in wireless communication with the monitoring cloud platform through the wireless gateway; wherein, the monitor is the above water quality monitoring device.
Compared with the prior art, the embodiment of the invention has the following beneficial effects:
(1) by adopting the solar energy-water energy complementary power supply, solar energy and water energy are combined to supplement each other for power generation, so that the power generation efficiency is guaranteed to meet the power consumption requirement of the monitor, and the monitor is green and environment-friendly;
(2) Capturing the flow velocity of water flow by using the relation between the flow velocity and the charging efficiency through a hydrodynamic turbine structure, converting water energy into usable electric energy on one hand, and measuring the flow velocity by using the flow velocity monitoring sensing node on the other hand;
(3) the floating platform structure is improved, so that the disassembly between the equipment box and the floating platform is convenient, and the detachable floating platform structure between the acquisition box and the equipment box is designed, so that the sensor and the measurement module are simple to disassemble and assemble, the cost is low, and the calibration and maintenance are convenient;
(4) and a wireless transmission mode is adopted, power supply and data transmission cables are not required to be arranged, the automation degree is high, and the remote real-time monitoring effect is good.
Drawings
FIG. 1 is a schematic structural view of a water quality monitoring apparatus according to an embodiment of the present invention;
FIG. 2 is a diagram showing the internal configuration of an equipment box of a water quality monitoring apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a real-time water quality monitoring system in an embodiment of the present invention;
wherein the reference numbers in the drawings of the specification are as follows:
1. a solar panel; 2. an equipment box; 3. an inner layer filtering structure; 4. a hydrodynamic turbine blade; 5. a hydrodynamic turbine charging module; 6. a floating platform; 7. an outer layer filtering structure; 8. a storage battery; 9. a collection box; 10. collection box bottom plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention provides a water quality monitoring device, including a floating device, a monitoring device, and a power supply device;
the floating device comprises a floating platform 6, wherein the floating platform 6 is provided with a through hole penetrating through the upper surface and the lower surface of the floating platform, and the bottom of the floating platform 6 is provided with an outer-layer filtering structure 7;
in this embodiment, the floating platform 6 has a circular cross-section. The floating platform 6 is designed in a hollow mode, an outer-layer filter screen with a cylindrical structure is arranged below the floating platform, and the hydrodynamic turbine fan blades 4 are fixed on the side face of the floating platform 6. The water flow velocity pushes the fan blades to rotate to do work, water energy is converted into kinetic energy to supply power to the monitor through the hydrodynamic turbine charging module 5, and a flow velocity-charging efficiency model can be established as a flow velocity monitoring sensing node due to the fact that the flow velocity is in a direct proportion relation with the charging efficiency, so that the flow velocity condition is monitored.
The monitoring device comprises an equipment box 2, wherein an inner-layer filtering structure 3 is arranged at the bottom of the equipment box 2, the equipment box 2 is supported at the top of the floating platform 6, and the inner-layer filtering structure 3 penetrates through the through hole and is positioned in the outer-layer filtering structure 7;
wherein, be equipped with in equipment box 2 and connect dismantled and assembled collection box 9 in 2 bottoms of equipment box, as shown in fig. 2, in order to make the design rationalization, locate the bottom plate of the bottom of gathering box 9 is equipped with the slip buckle, the bottom of equipment box 2 is equipped with the spout, the slip buckle with the spout forms the cooperation structure.
Gather box 9 and be connected through movable clamping groove with equipment box 2 bottom plate to when needs calibration maintenance, the staff only need slide and gather box bottom plate 10, can wholly lift collection box 9 and sensor probe module off, need not to lift monitoring devices wholly out of the water, and after the calibration maintenance was accomplished, only need to correspond the draw-in groove position with collection box 9 and press and can fix, not only simple structure, easy dismounting moreover.
An acquisition module, a wireless communication module and a plurality of water quality detection sensors are arranged in the acquisition box 9, the wireless communication module and the water quality detection sensors are respectively connected with the acquisition module, and probes of the water quality detection sensors are fixed in the inner-layer filtering structure 3;
In this embodiment, gather box 9 and include two parts, a part is the sensor probe of five quality of water evaluation parameters of PH sensor, temperature sensor, ammonia nitrogen sensor, turbidity sensor, dissolved oxygen sensor, can comparatively comprehensive reflection river quality of water overall situation, and the sensor probe is fixed in the inlayer filter screen. The other part is that the integrated circuit module is fixed in the acquisition box 9, and comprises a data acquisition module for controlling the data acquisition of the sensor, conditioning the signal of the sensor and digitizing the analog signal of the sensor; the data storage module is used for storing the acquired data and allowing the data to be read but not changed; the display module displays information such as electric quantity, communication condition (used for displaying signal strength), collected data and the like; the wireless communication module adopts a wireless LORA module, the wireless LORA module is in remote communication with the wireless gateway, receives gateway instructions and uploads collected data.
The power supply device is a water energy and solar energy complementary power supply and comprises a solar cell panel 1, a solar charging module, a hydrodynamic turbine blade 4, a hydrodynamic turbine charging module 5 and a storage battery 8; the solar panel 1 is arranged at the top of the equipment box 2;
The solar cell panel 1 is arranged on the equipment box 2, the solar charging module, the storage battery 8 and the hydrodynamic turbine charging module 5 are all arranged in the equipment box 2, and the solar charging module is respectively connected with the solar cell panel 1 and the storage battery 8;
the hydrodynamic turbine fan blades 4 and the hydrodynamic turbine charging module 5 are connected to the floating platform 6, and the hydrodynamic turbine charging module 5 is respectively connected to the hydrodynamic turbine fan blades 4 and the storage battery 8.
Referring to fig. 3, an embodiment of the present invention further provides a real-time water quality monitoring system, including a monitoring cloud platform, a wireless gateway, and a plurality of monitors separately disposed from the wireless gateway, where the monitors wirelessly communicate with the monitoring cloud platform through the wireless gateway; wherein, the monitor is the water quality monitoring device as above.
Monitor node, wireless gateway, monitoring cloud platform are integrated to this embodiment through setting up wireless gateway and monitor components of a whole that can function independently to separation acquisition monitoring and remote communication, data processing function can effectively reduce the monitor consumption. Meanwhile, a solar energy and water energy complementary power supply is established, the power generation efficiency is improved, and a stable power guarantee is provided for long-term monitoring of the monitor.
The wireless gateway adopts a 4G communication module to communicate with the platform in an uplink mode, receives platform instructions, uploads collected data to the platform, integrates a wireless LORA module to communicate with the monitoring instrument in a downlink mode, is responsible for managing and controlling the monitoring instrument, specifically operates to add, delete and search the monitoring instrument, performs data preprocessing and reduces data redundancy; the data storage module stores the received data, and the display module refreshes the monitor data and state of display management in real time by adopting a liquid crystal display screen.
Because the LORA module has the characteristics of low power consumption, large system capacity, strong expansibility and low cost, a monitor-wireless gateway-monitoring cloud platform private network is built to cover the area which can not be covered by the cellular network, the data reliability is strong, and the safety is high.
The monitoring instruments are distributed in river monitoring points according to river water quality monitoring section distribution points, and each monitoring point corresponds to one monitoring instrument. The wireless gateway is arranged according to the distribution point of the monitor and the field communication condition and arranged at the bank.
And the monitoring cloud platform collects, processes and analyzes data in real time, and displays the water quality condition in a digital and graphic mode. The sampling frequency and the measuring frequency of the field gateway and the monitor can be remotely controlled in real time through the platform. When the data is abnormal, the platform automatically judges and sends abnormal values, time, positions, associated gateways and monitors to related personnel in a short message alarm mode to realize early warning and alarm. The database is responsible for storing the returned data, and the SQL Server 2010 is used for managing the unified database, so that the monitoring data and the management access authority are effectively protected, the time and region limitation is avoided, the water quality condition is checked at any time, and the automatic management is realized.
In summary, compared with the prior art, the embodiment of the invention has the following beneficial effects:
(1) by adopting the solar energy-water energy complementary power supply, solar energy and water energy are combined to supplement each other for power generation, so that the power generation efficiency is guaranteed to meet the power consumption requirement of the monitor, and the monitor is green and environment-friendly;
(2) capturing the flow velocity of water flow by using the relation between the flow velocity and the charging efficiency through a hydrodynamic turbine structure, converting water energy into usable electric energy on one hand, and measuring the flow velocity by using the flow velocity monitoring sensing node on the other hand;
(3) the structure of the floating platform 6 is improved, so that the disassembly between the equipment box 2 and the floating platform 6 is convenient, and the structure of the detachable floating platform 6 between the acquisition box 9 and the equipment box 2 is designed, so that the sensor and the measurement module are simple to disassemble and assemble, the cost is low, and the calibration and maintenance are convenient;
(4) a wireless transmission mode is adopted, power supply and data transmission cables are not required to be arranged, the automation degree is high, and the remote real-time monitoring effect is good;
(5) in the aspect of communication, a low-power-consumption lora ad hoc network technology is adopted, the functions of acquisition and remote data transmission are separated, the power consumption of a monitor terminal is effectively reduced, monitors and gateways can be flexibly distributed according to the field condition, the limitation of the field communication environment is avoided, and the communication quality is stable.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (10)
1. A water quality monitoring device is characterized by comprising a floating device, a monitoring device and a power supply device;
the floating device comprises a floating platform, the floating platform is provided with a through hole penetrating through the upper surface and the lower surface of the floating platform, and the bottom of the floating platform is provided with an outer-layer filtering structure;
the monitoring device comprises an equipment box, the bottom of the equipment box is provided with an inner-layer filtering structure, the equipment box is supported at the top of the floating platform, and the inner-layer filtering structure penetrates through the through hole and is positioned in the outer-layer filtering structure;
the equipment box is internally provided with a collecting box which is detachably connected with the bottom of the equipment box, a collecting module, a wireless communication module and a plurality of water quality detecting sensors are arranged in the collecting box, the wireless communication module and the water quality detecting sensors are respectively connected with the collecting module, and probes of the water quality detecting sensors are fixed in the inner-layer filtering structure;
the power supply device comprises a solar cell panel, a solar charging module, a hydrodynamic turbine fan blade, a hydrodynamic turbine charging module and a storage battery;
The solar cell panel is arranged on the equipment box, the solar charging module, the storage battery and the hydrodynamic turbine charging module are all arranged in the equipment box, and the solar charging module is respectively connected with the solar cell panel and the storage battery;
the hydrodynamic turbine fan blades and the hydrodynamic turbine charging module are connected to the floating platform, and the hydrodynamic turbine charging module is respectively connected with the hydrodynamic turbine fan blades and the storage battery.
2. The water quality monitoring device according to claim 1, wherein a bottom plate arranged at the bottom of the collecting box is provided with a sliding buckle, the bottom of the equipment box is provided with a sliding groove, and the sliding buckle and the sliding groove form a matching structure.
3. The water quality monitoring device of claim 1, wherein the solar panel is disposed on the top of the equipment box.
4. The water quality monitoring device according to claim 1, wherein the collection box is at least provided with a PH sensor, a temperature sensor, an ammonia nitrogen sensor, a turbidity sensor and a dissolved oxygen sensor.
5. The water quality monitoring device of claim 1, wherein the wireless communication module is a wireless LORA module.
6. The water quality monitoring device according to claim 1 or 2, wherein a display module is further arranged in the collection box, and the display module is connected with the storage battery.
7. The water quality monitoring device of claim 1, wherein the floating platform is circular in cross-section.
8. A water quality monitoring device according to claim 1 or 7 wherein the hydrodynamic turbine blades are located on the side of the float.
9. The water quality monitoring device of claim 1, wherein the inner layer filtering structure and the outer layer filtering structure are both cylindrical filter screens.
10. The real-time water quality monitoring system is characterized by comprising a monitoring cloud platform, a wireless gateway and a plurality of monitors which are arranged separately from the wireless gateway, wherein the monitors are in wireless communication with the monitoring cloud platform through the wireless gateway; the water quality monitoring instrument is the water quality monitoring device as claimed in any one of claims 1 to 9.
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CN113566886A (en) * | 2021-07-26 | 2021-10-29 | 西安邮电大学 | Water quality monitoring floater based on water ripple electricity generation |
CN114216902A (en) * | 2021-11-24 | 2022-03-22 | 孙朝 | System for detecting unknown substance analysis by photoelectric principle |
CN115406938A (en) * | 2022-11-02 | 2022-11-29 | 恩乐曼仪表(徐州)有限公司 | Immersion type water quality analyzer |
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CN113566886A (en) * | 2021-07-26 | 2021-10-29 | 西安邮电大学 | Water quality monitoring floater based on water ripple electricity generation |
CN114216902A (en) * | 2021-11-24 | 2022-03-22 | 孙朝 | System for detecting unknown substance analysis by photoelectric principle |
CN115406938A (en) * | 2022-11-02 | 2022-11-29 | 恩乐曼仪表(徐州)有限公司 | Immersion type water quality analyzer |
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