CN207662890U - Water quality monitoring system based on Internet of Things and platform - Google Patents

Abstract

The utility model provides a kind of water quality monitoring system and platform based on Internet of Things, it is related to field of environment protection, the system includes cloud server and the client being connected with cloud server and multiple floating bodies, and floating body includes connected water quality detecting device and terminal processing device；Water quality detecting device includes connected water quality testing meter and automatic fixing depth sampler, and terminal processing device includes master controller and the data collecting card being connected with master controller, locating module, memory module and communication module；Data collecting card receives the water quality information of sampling position；Locating module obtains the location information of sampling position, and master controller receives water quality information and location information generates normal data；Memory module backs up normal data；Communication module is by standard data delivery to cloud server；Cloud server receives normal data and is stored；Client accesses cloud server.The problem that monitoring efficiency is low, application range is narrow is alleviated in the prior art, monitoring efficiency is improved, is had a wide range of application.

Description

Water quality monitoring system and platform based on Internet of things

Technical Field

The utility model belongs to the technical field of the environmental protection, specificly relate to a water quality monitoring system and platform based on thing networking.

Background

With the progress of society, the development of economy, the continuous expansion of urban scale and the continuous increase of water consumption, the environmental problem is increasingly highlighted. For example, the production and life of waste water discharged into rivers, lakes and reservoirs are increasing, the matrix of pollutants entering the water body is more complex, the flow variability is larger, the spatial-temporal distribution and the change are more uneven, so that the water environment situation of China is quite severe, and the water quality monitoring becomes an important field in the water environment protection.

Water quality monitoring in China mainly depends on a method from manual sampling to laboratory analysis or a method of measurement by a single instrument, but the manual sampling method has low efficiency; the single instrument measurement method has limited monitoring basin and narrow application range, and can not meet the requirements of people on water quality monitoring.

In conclusion, the existing water quality monitoring method has the technical problems of low efficiency and narrow application range.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a water quality monitoring system and platform based on thing networking to alleviate the technical problem that the water quality monitoring method among the prior art is inefficient, the range of application is narrow.

In a first aspect, the embodiment of the utility model provides a water quality monitoring system based on thing networking, include: the system comprises a cloud server, a client and a plurality of floating bodies, wherein the floating bodies and the client are respectively connected with the cloud server;

the floating body comprises a water quality detection device and a terminal processing device; the water quality detection device is connected with the terminal processing device;

the water quality detection device comprises a water quality detector and an automatic depth-setting sampler, and the automatic depth-setting sampler is connected with the water quality detector;

the terminal processing device comprises a data acquisition card, a positioning module, a main controller, a storage module and a communication module; the data acquisition card, the positioning module, the storage module and the communication module are respectively connected with the main controller; the data acquisition card receives the water quality information of the sampling place acquired by the water quality detection device; the positioning module acquires position information of the sampling place and sends the position information to the main controller, and the main controller receives the water quality information and the position information to generate standard data; the storage module backs up the standard data; the communication module transmits the standard data to a cloud server;

the cloud server receives standard data and stores and manages the standard data;

and the client accesses the cloud server to obtain standard data.

In combination with the first aspect, embodiments of the present invention provide a first possible implementation manner of the first aspect, wherein the floating body includes a mobile monitoring vessel and a fixed buoy station.

With reference to the first aspect, embodiments of the present invention provide a second possible implementation manner of the first aspect, where the automatic depth-fixing sampler includes a servo motor, a water depth measuring instrument, a microcontroller, and a plurality of sensor probe connectors; the servo motor and the water depth measuring instrument are connected with the microcontroller; the sensor probe of the water quality detector and the sensor probe of the water depth measuring instrument are respectively connected with the servo motor through the sensor probe connectors; and the servo motor drives the sensor probe of the water depth measuring instrument and the sensor probe of the water quality detector to reach the specified sampling depth.

Combine first aspect, the embodiment of the utility model provides a third possible implementation mode of first aspect, wherein, water quality testing appearance adopts miniaturized national standard method quality of water normal position detector.

With reference to the first aspect, an embodiment of the present invention provides a fourth possible implementation manner of the first aspect, where the data acquisition card includes a multi-channel digital quantity I/O interface.

In combination with the first aspect, an embodiment of the present invention provides a fifth possible implementation manner of the first aspect, wherein the positioning module includes a GPS positioning module or a beidou positioning module.

With reference to the first aspect, an embodiment of the present invention provides a sixth possible implementation manner of the first aspect, where the storage module includes a removable storage device.

With reference to the first aspect, an embodiment of the present invention provides a seventh possible implementation manner of the first aspect, wherein the communication module includes a LORA wireless communication module.

With reference to the third possible implementation manner of the first aspect, an embodiment of the present invention provides an eighth possible implementation manner of the first aspect, wherein the miniaturized national standard water quality in-situ detector includes a case and a test circuit board disposed in the case;

the case is provided with a touch display screen and a fixed bracket;

the test circuit board comprises a control unit, a colorimetric unit, a metering unit, a peristaltic pump, a power supply and a valve group; the touch display screen the power and the color comparison unit respectively with the control unit is connected, the metering unit with the color comparison unit is connected, the peristaltic pump the valves respectively with the metering unit is connected.

In a second aspect, the embodiment of the present invention further provides a multifunctional meteorological monitoring system, which includes a main control system and the water quality monitoring system based on the internet of things described in the first aspect and possible embodiments thereof, wherein,

the water quality monitoring system based on the Internet of things is connected with the master control system through wired communication.

The embodiment of the utility model provides a following beneficial effect has been brought:

the utility model provides a water quality monitoring system based on thing networking, this system includes: the system comprises a cloud server, a client and a plurality of floating bodies, wherein the floating bodies and the client are respectively connected with the cloud server; the floating body comprises a water quality detection device and a terminal processing device; the water quality detection device is connected with the terminal processing device; the water quality detection device comprises a water quality detector and an automatic depth-setting sampler, and the automatic depth-setting sampler is connected with the water quality detector; the automatic depth-setting sampler drives the water quality detector to reach a specified sampling depth; the terminal processing device comprises a data acquisition card, a positioning module, a main controller, a storage module and a communication module; the data acquisition card, the positioning module, the storage module and the communication module are respectively connected with the main controller; the data acquisition card receives water quality information of a sampling place acquired by the water quality detection device; the positioning module acquires position information of a sampling place and sends the position information to the main controller, and the main controller receives the water quality information and the position information to generate standard data; the storage module backs up the standard data; the communication module transmits the standard data to the cloud server; the cloud server receives the standard data and stores and manages the standard data; the client accesses the cloud server to obtain the standard data. Therefore, the technical scheme provided by the embodiment can be applied to the application environments of surface water quality monitoring such as the whole drainage basin area, the upstream and downstream boundary sections of the drainage basin area, the key sewage draining outlets in the drainage basin area range, the emission source of the main pollution factors in the area, the local area with abnormal characteristic pollutant monitoring parameters, the pollution accident area, the adjacent water body area and the like, and has the advantage of wide application range. Through a plurality of bodies monitoring multiple watershed regions, the monitoring of multizone quality of water is realized, the monitoring efficiency is improved, one to more water quality indexes can be monitored through the water quality detector on the body, the monitoring of different water quality indexes is realized, and the water quality information and the position information of a sampling place can be sent to the cloud server through the terminal processing device, so that data support is provided, a big data analysis platform is constructed, and a client can access the cloud server to acquire data. In addition, the system can obtain water quality detection data with accurate time and space positioning on the basis of less investment, and on the other hand, due to the short measurement period, the system can quickly provide watershed water quality monitoring data, can forecast downstream water quality pollution in time, finds abnormal changes of water quality earlier, has important significance for large-area surface water quality monitoring, and has wide application prospect.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a water quality monitoring system based on the internet of things provided by an embodiment of the utility model;

FIG. 2 is a schematic view of a float provided in FIG. 1;

FIG. 3 is a schematic diagram of an automatic depth setting sampler provided in FIG. 1;

FIG. 4 is a schematic diagram of a terminal processing device provided in FIG. 1;

FIG. 5 is a schematic view of an appearance of a miniaturized national standard water quality in-situ detector provided by an embodiment of the present invention;

FIG. 6 is a rear view of the miniaturized water quality in-situ detector of the national standard method provided in FIG. 5;

FIG. 7 is a schematic view of a test circuit board;

FIG. 8 is a detailed connection diagram of a test circuit board;

FIG. 9 is a flow chart of a miniaturized national standard water quality in-situ detector provided by the embodiment of the present invention;

fig. 10 is a schematic view of a water quality monitoring platform based on the internet of things provided by the embodiment of the utility model.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The existing water quality monitoring method has the technical problems of low efficiency and narrow application range.

Based on this, the embodiment of the utility model provides a pair of water quality monitoring system and platform based on thing networking to alleviate the technical problem that water quality monitoring method among the prior art is inefficiency, the range of application is narrow.

In order to understand the embodiment, it is first right that the embodiment of the utility model discloses a water quality monitoring system based on thing networking introduces in detail.

Example 1

As shown in fig. 1, the water quality monitoring system based on the internet of things comprises: cloud server 1, client 2 and a plurality of floating bodies 3. The plurality of floating bodies and the client are respectively connected with the cloud server.

Specifically, a plurality of floating bodies are arranged at different geographical positions (sampling places) according to actual needs to form a water quality acquisition network so as to acquire the water quality conditions of different areas.

The client can be a mobile terminal such as a mobile phone, a tablet computer and a notebook computer, and can also be a fixed terminal such as an industrial control computer.

The cloud server is deployed at the cloud end and used for receiving the water quality conditions uploaded by the floating bodies and can collect, analyze, store and the like the water quality conditions.

Further, the floating body comprises a mobile monitoring ship and a fixed buoy station, so that fixed monitoring and mobile monitoring can be realized, the monitoring range is expanded, the requirements of different monitoring environments are met, and the application range is widened. It should be noted that the floating body can also comprise a power buoy and an emergency monitoring vehicle.

Further, the mobile monitoring ship comprises an unmanned ship and an emergency monitoring ship.

Further, as shown in fig. 2, the floating body includes a water quality detecting device 31 and a terminal processing device 32. Wherein, the water quality detection device is connected with the terminal processing device.

Specifically, the water quality detection device is used as a detection part and comprises a water quality detector 311 and an automatic depth-setting sampler 312, wherein the automatic depth-setting sampler is connected with the water quality detector, and the automatic depth-setting sampler can realize that the water quality detector is placed in water at a set depth.

In one embodiment, the water quality detector comprises at least two of a multi-parameter water quality on-line monitor, an ammonia nitrogen on-line analyzer, a COD on-line analyzer and a chlorophyll on-line analyzer. Wherein, the multi-parameter water quality on-line monitor is used for detecting parameters such as water temperature, pH, conductivity and the like; the ammonia nitrogen online analyzer is used for detecting ammonia nitrogen; the COD on-line analyzer is used for detecting COD; the chlorophyll on-line analyzer is used for detecting chlorophyll, and the water quality detector can also comprise a TOC on-line analyzer for detecting TOC, a phosphate detector for detecting phosphate, a nitrate nitrogen detector for detecting nitrate nitrogen and the like.

In other words, the water quality detector may be provided with at least two detectors as required, for example, various detectors for detecting water quality indexes such as water temperature, pH, conductivity, COD (Chemical Oxygen Demand), TOC (Total Organic Carbon), ammonia nitrogen, nitrate nitrogen, phosphate, chlorophyll, and the like. And (5) the detection result enters a data acquisition card.

It should be pointed out that, in order to meet the requirements of different water qualities, all or part of the water quality indexes can be selected in a targeted manner for monitoring, and other water quality online detection instruments can also be added on the basis of the integrated system. For some automatic water quality monitors mainly suitable for sewage treatment plants, the automatic water quality monitors can also be applied to the system through software correction of monitoring results.

Considering the whole waterproof problem or the corrosion problem of putting into aquatic of water quality testing appearance, in order to prolong water quality testing appearance's life, it is further, automatic depthkeeping sample thief will water quality testing appearance's sensor probe is put into the aquatic and is predetermine the sampling depth and detect (or appointed sampling depth) to make water quality testing appearance can realize detecting the quality of water of the different degree of depth.

Further, as shown in fig. 3, the automatic depth-setting sampler includes a servo motor 3121, a water depth measuring instrument 3122, a microcontroller 3123, and a plurality of sensor probe connectors 3124. The servo motor and the water depth measuring instrument are connected with the microcontroller; the servo motor is connected with the sensor probe connector, and the sensor probe connector is connected with a sensor probe of the water quality detector and a sensor probe of the water depth measuring instrument; namely, the sensor probe of the water quality detector and the sensor probe of the water depth measuring instrument are respectively connected with the servo motor through the sensor probe connectors. The servo motor is used for driving the sensor probe of the water depth measuring instrument and the sensor probe of the water quality detector to reach a specified sampling depth (or called as a lower detection water depth). The specified sampling depth may be set manually or may be preset and stored in a memory in the microcontroller. The manual setting can be performed by a near-end setting (for example, when the floating body is a mobile monitoring ship), and it should be noted that the manual setting can be performed remotely, that is, the sampling detection is performed by remotely controlling the automatic depth-setting sampler (specifically, the microcontroller controls the servo motor according to the data of the water depth measuring instrument) through the communication unit in the microcontroller to reach the depth of the underwater penetration.

Further, the microcontroller 3123 employs an 8-bit single chip microcomputer.

Specifically, the microcontroller is C8051F 040. The 51-series singlechip C8051F040 is a mixed signal system-level singlechip integrated on a chip, almost all analog and digital peripherals and other functional components required by an intelligent node for data acquisition or control of the singlechip are integrated in the chip, and the development direction of the current 8-bit singlechip control system is represented. There are 1 12-bit multi-channel Analog-to-Digital Converter (ADC for short), 2 12-bit Digital-to-Analog Converter (DAC for short), 2 voltage comparators, 1 voltage reference, 1 FLASH memory of 32kB, a high-speed CIP-51 kernel fully compatible with the MCS-51 instruction set, and a peak speed of 25 single-word fixed-point instruction average execution speeds (MIPS for short), on chip, and there are also hardware-implemented Universal Asynchronous transceiver (Universal Asynchronous Receiver transmitter, UART for short) serial interfaces and CAN controllers that fully support CAN2.0a and CAN2.0 b. C8051F040 is a highly integrated mixed signal system-level microcontroller chip having a high-speed CIP-51 microcontroller core compatible with the 8051 single-chip microcomputer, in which, in addition to the digital peripheral components of the standard 8051, analog components and other digital peripheral components commonly used in data acquisition and control systems are integrated.

Further, as shown in fig. 4, the terminal processing apparatus includes: a data acquisition card 321, a positioning module 322, a main controller 323, a storage module 324 and a communication module 325.

The data acquisition card, the positioning module, the storage module and the communication module are respectively connected with the main controller.

The data acquisition card is used for receiving the water quality information of the sampling place acquired by the water quality detection device; the positioning module is used for acquiring position information of the sampling place in real time and sending the position information to the main controller, and the main controller is used for receiving the water quality information and the position information and generating standard data; the storage module is used for backing up the standard data; the communication module is used for transmitting the standard data to a cloud server.

The main controller is specifically used for performing time-space synchronization processing on the water quality information and the position information, namely time and space synchronization to obtain standard data; the main controller is also used for summarizing various water quality indexes monitored by the water quality detector.

Further, the data acquisition card comprises a multi-channel digital quantity I/O interface.

Specifically, the embodiment adopts an HY 110 data controller, and the HY 110 data controller has multiple paths of A/I, A/O, D/I, D/O; the remote awakening can be realized, the field device can be connected for communication: the system supports an RS485 network and an MOOBUS protocol, supports a real-time clock, supports data power-down protection and large-capacity storage.

Further, the positioning module comprises a GPS positioning module or a beidou positioning module.

Furthermore, the error of the GPS module is less than or equal to 10m, and the positioning data can be transmitted in real time.

Further, the main controller adopts a 32-bit singlechip.

Further, the storage module includes a removable storage device, such as a memory card, a micro card, a SIM card, a usb disk, a removable hard disk, an optical disk, and so on.

Further, the communication module comprises a wireless communication module, and specifically, the communication module adopts a LORA wireless communication module. The LORA accident is an ultra-long distance wireless transmission scheme based on a spread spectrum technology. One great advantage of LORA is: only two AA batteries are required to connect the devices. If used only for transmitting and receiving data, can be used continuously for 10 years. LORA is not only low power but also medium and long distance transmission, up to 20 km in outdoor viewing distance.

Further, the water quality information includes time information and water quality parameter data.

Wherein the time information comprises a sampling time and a result generation time, and the sampling time comprises a date and a sampling time. The water quality parameter data comprises a plurality of water quality indexes (such as ammonia nitrogen, COD and chlorophyll) sampled by a water quality detection device at a certain sampling time.

Further, the time information can be obtained through a timing module connected with the main controller.

Specifically, the timing module adopts a timer or a timer.

Further, the location information includes a longitude and a latitude of the sampling place.

Further, the data format of the standard data comprises sampling time in the water quality information, water quality parameter data, longitude and latitude in the position information, and an automatically generated check bit and a data spacer, wherein the data spacer is used for distinguishing sampling data at different sampling times; the data spacer includes a header and a trailer.

The check bit generation rule is as follows: and summing each digital character in the standard data.

For example: the data format of one standard data is as follows:

OAOA 2017/11/20 11:56E114.5826N38.2136 31 45 21 93ODOD

wherein, OAOA represents a head mark, 2017/11/20 represents a date, 11:56 represents a sampling time, E114.5826 represents the east longitude 114.5826, N38.2136 represents the north latitude 38.2136, 31 represents a first water quality index, 45 represents a second water quality index, 21 represents a third water quality index, 93 represents a check digit, and ODOD represents a tail mark.

The check bits are generated as follows:

93＝2+0+1+7+1+1+2+0+1+1+5+6+1+1+4+5+8+2+6+3+8+2+1+3+6+3+1+4+5+2+1。

the client is used for accessing the cloud server to obtain the standard data.

Furthermore, spatially continuous real-time water quality monitoring data can be obtained according to the standard data. It should be noted that the standard data of a plurality of sampling times at the same sampling site and the standard data of a plurality of sampling sites at the same time in the same area can form spatially continuous real-time water quality monitoring data.

And the cloud server is used for receiving the standard data and storing and managing the data.

Further, a big data analysis platform system is set up on the cloud server.

Specifically, a data analysis system based on a GIS is built in the cloud server, and the data analysis system mainly comprises a database server, a GIS (geographic information system), a mobile water quality monitoring system and a database management system.

The database server mainly undertakes tasks of storing, managing and updating data in a background, and specifically comprises GIS data, GPS records, monitoring target data, key monitoring target data and management authority data. The middle GIS plays a main functional role, and most of the work is finished in the two systems (the database server and the GIS) together, such as the positioning of pollution sources, alarming, dangerous case monitoring, diffusion simulation analysis, accident loss evaluation analysis and the like. The GIS-based data analysis system is mainly divided into 8 functional modules, which are respectively: 1-a geographic information basic processing function module; 2-a spatial information query module; 3-a spatial data editing module; 4-map making function module; 5-a water quality pollution data display module; 6-automatic pollution source positioning module; 7-a airline management function module and an accident spreading damage analysis module; 8-system function management module, wherein the function modules also have more detailed function modules, for example, in the function modules, three modules, namely a water quality pollution data display module, a pollution source automatic positioning module and an accident spreading damage analysis module, are used as cores, and the function modules can access each other to realize resource sharing.

The utility model provides a water quality monitoring system based on thing networking includes: the system comprises a cloud server, a client and a plurality of floating bodies, wherein the floating bodies and the client are respectively connected with the cloud server; the floating body comprises a water quality detection device and a terminal processing device; the water quality detection device is connected with the terminal processing device; the water quality detection device comprises a water quality detector and an automatic depth-setting sampler, and the automatic depth-setting sampler is connected with the water quality detector; the automatic depth-setting sampler drives the water quality detector to reach a specified sampling depth; the terminal processing device comprises a data acquisition card, a positioning module, a main controller, a storage module and a communication module; the data acquisition card, the positioning module, the storage module and the communication module are respectively connected with the main controller; the data acquisition card receives water quality information of a sampling place acquired by the water quality detection device; the positioning module acquires position information of a sampling place and sends the position information to the main controller, and the main controller receives the water quality information and the position information to generate standard data; the storage module backs up the standard data; the communication module transmits the standard data to the cloud server; the cloud server receives the standard data and stores and manages the standard data; the client accesses the cloud server to obtain the standard data. Therefore, the technical scheme provided by the embodiment can be applied to the application environments of surface water quality monitoring such as the whole drainage basin area, the upstream and downstream boundary sections of the drainage basin area, the key sewage draining outlets in the drainage basin area range, the emission source of the main pollution factors in the area, the local area with abnormal characteristic pollutant monitoring parameters, the pollution accident area, the adjacent water body area and the like, and has the advantage of wide application range. Through a plurality of bodies monitoring multiple watershed regions, the monitoring of multizone quality of water is realized, one to more water quality indexes can be monitored through the water quality detector on the body, the monitoring of different water quality indexes is realized, and water quality information and position information of sampling places can be sent to the high in the clouds server through the terminal processing device, data support is provided, a big data analysis platform is constructed, the client can access the high in the clouds server to acquire data, and the monitoring efficiency is improved. In addition, the system can obtain water quality detection data with accurate time and space positioning on the basis of less investment, and on the other hand, due to the short measurement period, the system can quickly provide watershed water quality monitoring data, can forecast downstream water quality pollution in time, finds abnormal changes of water quality earlier, has important significance for large-area surface water quality monitoring, and has wide application prospect. In addition, the system of the water quality monitoring system based on the internet of things integrates various automatic water quality monitoring instruments, a data acquisition and processing system, a positioning system and an LORA wireless communication system, and transmits various indexes of the acquired water body and corresponding geographic information to the cloud server in real time through centralized processing, so that the client can obtain spatially continuous real-time water quality monitoring data by accessing the server.

Example 2

On the basis of embodiment 1, the embodiment of the utility model provides a another kind of water quality monitoring system based on thing networking lies in with embodiment 1's difference, and the water quality testing appearance in this system adopts miniaturized national standard method quality of water in-situ detector.

Further, as shown in fig. 5 and 6, the miniaturized national standard water quality in-situ detector includes a case 100 and a test circuit board disposed in the case. The case plays a role in protecting the internal test circuit board 200, prevents the influence of particles such as dust on the internal test circuit board, and ensures the normal work of the test circuit board.

The touch display screen 101 and the fixing support 102 are arranged on the case; the touch display screen is connected with the control unit.

Referring to fig. 7 and 8, the test circuit board includes a control unit 201, a colorimetric unit 202, a metering unit 203, a peristaltic pump 204, a power source 205, and a valve block 206; the power, the color comparison unit respectively with the control unit is connected, the metering unit with the color comparison unit is connected, the peristaltic pump, the valves respectively with the metering unit is connected.

The power is used for the control unit power supply, the color comparison unit is used for the color comparison analysis to with result transmission to the control unit, the measurement unit is used for the measurement, carries out the ration promptly to the flowing back liquid, the peristaltic pump is used for taking out water sample, the valves group includes a plurality of conversion valve positions, and conversion valve position is driven by step motor (not shown in the figure), and step motor specifically is controlled by the control unit, and the valve opening of every conversion valve position is connected different reagent pipes and is connected. Different reagent tubes are used to hold different reagents. The detection of different water quality indexes can be realized after the color comparison is carried out through the chemical reactions of different reagents.

Peristaltic pumps pump fluid by alternately squeezing and releasing a flexible delivery hose of the pump. As the pump core rotates, negative pressure is formed in the pipe, and the liquid flows along with the negative pressure. A peristaltic pump is a section of pump tubing between two rotating rollers of a pump core to form a "pillow" shaped fluid. The bidirectional equal flow conveying capacity is realized; no damage is caused to any part of the pump under the condition of no liquid idle running; can generate 98% vacuum degree; there are no valves, mechanical seals and packing seals, and there are no such leakage and maintenance concerns; the solid, liquid or gas-liquid mixed phase fluid can be easily conveyed, and the diameter of the solid contained in the fluid is allowed to reach 40% of the inner diameter of the tubular element; can convey various materials with grinding, corrosion and oxygen sensitive characteristics, various foods and the like; only the hose is a part needing to be replaced, and the replacement operation is extremely simple; the conveyed product does not come into contact with any parts other than the hose. Accurate flow control is ensured, and mutual pollution between the pump and the fluid is avoided.

In this embodiment, the control unit adopts 16 bit singlechips, the colorimetric unit includes the color comparison pond, the metering unit includes measurement pond or metering tube, the valves adopts nine logical valves.

Further, the metering unit comprises a high-position monitoring point (arranged on the upper half part of the metering pool/the metering pipe) and a low-position monitoring point (arranged on the lower half part of the metering pool/the metering pipe).

Further, nine logical valve group includes 9 conversion valve positions, and the valve opening of every conversion valve position is connected respectively by the reagent pipe that holds reagent I, reagent II, reagent III, distilled water, waste liquid, mark two, mark one and water sample. Distilled water is used for cleaning colorimetric tanks, metering tanks (also called drive-out tanks), and the like.

Further, an electromagnetic valve 207 is arranged between the colorimetric pool and the metering pool.

Further, the chassis is provided with heat dissipation holes and a fan 103 for dissipating heat. Wherein the heat dissipation holes are arranged on the side surface (not shown in the figure), the fan is arranged on the back surface of the case,

furthermore, the case is also provided with a power switch 104 and a power interface 105, and the power interface is used for connecting an external power supply to ensure uninterrupted operation of the equipment.

Furthermore, a plurality of signal output interfaces 106 are arranged on the case, the signal output interfaces are connected with the control unit, and the signal output interfaces comprise an RS232 interface, an RS485 interface, a USB interface, a Bluetooth interface, a WiFi interface and the like.

Furthermore, a plurality of reagent pipeline outlets 107 are also arranged on the case.

Referring to fig. 9, the miniaturized national standard water quality in-situ detector has the functions of calibration, measurement, data processing and signal output, wherein the calibration function can be automatically, manually and remotely operated, the measurement function can be realized through manual, timing, periodic, intermittent and remote operations, the data processing comprises parameter setting, data storage, data calculation, data display and data query operation, and the signal output comprises on-off output, 4-20mA current signal output, 0-5V voltage signal output and the like.

Example 3

Referring to fig. 10, the embodiment of the utility model provides a water quality monitoring platform based on thing networking is still provided, including alarm system 500 and any one of the above-mentioned embodiment water quality monitoring system 600 based on thing networking. Wherein,

and the water quality monitoring system based on the Internet of things is connected with the alarm system.

Specifically, the alarm system is connected with the cloud server, and when the cloud server finds that the water quality data is abnormal, for example, pollutants seriously exceed a standard (are larger than a preset value) or a dangerous case occurs, the alarm system sends an alarm to remind management center personnel where the cloud server is located to pay attention.

Furthermore, the alarm system comprises an acousto-optic integrated alarm, and the warning effect is good.

The embodiment of the utility model provides a water quality monitoring platform based on thing networking, the water quality monitoring system based on thing networking that provides with above-mentioned embodiment has the same technical characteristic, so also can solve the same technical problem, reach the same technological effect.

It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the system and the apparatus described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.

In addition, in the description of the embodiments of the present invention, 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still modify or easily conceive of changes in the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a water quality monitoring system based on thing networking which characterized in that includes: the system comprises a cloud server, a client and a plurality of floating bodies, wherein the floating bodies and the client are respectively connected with the cloud server;

the floating body comprises a water quality detection device and a terminal processing device; the water quality detection device is connected with the terminal processing device;

the water quality detection device comprises a water quality detector and an automatic depth-setting sampler, and the automatic depth-setting sampler is connected with the water quality detector; the automatic depth-setting sampler drives the water quality detector to reach a specified sampling depth;

the terminal processing device comprises a data acquisition card, a positioning module, a main controller, a storage module and a communication module; the data acquisition card, the positioning module, the storage module and the communication module are respectively connected with the main controller; the data acquisition card receives the water quality information of the sampling place acquired by the water quality detection device; the positioning module acquires position information of the sampling place and sends the position information to the main controller, and the main controller receives the water quality information and the position information to generate standard data; the storage module backs up the standard data; the communication module transmits the standard data to a cloud server;

the cloud server receives standard data and stores and manages the standard data;

and the client accesses the cloud server to obtain standard data.

2. The internet of things-based water quality monitoring system of claim 1, wherein the floating body comprises a mobile monitoring vessel and a fixed buoy station.

3. The Internet of things-based water quality monitoring system according to claim 1, wherein the automatic depth-setting sampler comprises a servo motor, a water depth measuring instrument, a microcontroller and a plurality of sensor probe connectors; the servo motor and the water depth measuring instrument are connected with the microcontroller; the sensor probe of the water quality detector and the sensor probe of the water depth measuring instrument are respectively connected with the servo motor through the sensor probe connectors; and the servo motor drives the sensor probe of the water depth measuring instrument and the sensor probe of the water quality detector to reach the specified sampling depth.

4. The Internet of things-based water quality monitoring system according to claim 1, wherein the water quality detector adopts a miniaturized national standard water quality in-situ detector.

5. The internet of things-based water quality monitoring system of claim 1, wherein the data acquisition card comprises a multi-channel digital quantity I/O interface.

6. The Internet of things-based water quality monitoring system of claim 1, wherein the positioning module comprises a GPS positioning module or a Beidou positioning module.

7. The internet of things-based water quality monitoring system of claim 1, wherein the storage module comprises a removable storage device.

8. The internet of things-based water quality monitoring system of claim 1, wherein the communication module comprises a LORA wireless communication module.

9. The Internet of things-based water quality monitoring system according to claim 4, wherein the miniaturized national standard water quality in-situ detector comprises a case and a test circuit board arranged in the case;

the case is provided with a touch display screen and a fixed bracket;

the test circuit board comprises a control unit, a colorimetric unit, a metering unit, a peristaltic pump, a power supply and a valve group; the touch display screen the power and the color comparison unit respectively with the control unit is connected, the metering unit with the color comparison unit is connected, the peristaltic pump the valves respectively with the metering unit is connected.

10. An Internet of things-based water quality monitoring platform, which is characterized by comprising an alarm system and the Internet of things-based water quality monitoring system according to any one of claims 1 to 9, wherein,

and the water quality monitoring system based on the Internet of things is connected with the alarm system.