CN215005328U - Underground water monitoring well monitoring, stagnant water cleaning and sampling device - Google Patents
Underground water monitoring well monitoring, stagnant water cleaning and sampling device Download PDFInfo
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- CN215005328U CN215005328U CN202120799751.XU CN202120799751U CN215005328U CN 215005328 U CN215005328 U CN 215005328U CN 202120799751 U CN202120799751 U CN 202120799751U CN 215005328 U CN215005328 U CN 215005328U
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Abstract
The utility model discloses a groundwater monitoring well monitoring, stagnant water washing and sampling device, which comprises a power supply unit for supplying power to the device, and a data acquisition and control unit, a stagnant water washing unit, a monitoring unit and a data communication unit which are connected with the power supply unit; the data acquisition and control unit comprises a processor, an analog-to-digital converter and a relay group, the monitoring unit comprises a voltage detection sensor and a water level and water quality sensor arranged in a monitoring well, the processor is connected with the output end of the power supply unit through the voltage detection sensor, the data communication unit comprises an internet of things gateway, and a network port of the data communication unit is connected with the processor; the treater passes through the immersible pump of relay unit connection setting in the monitoring well, and the device carries out the program setting according to specific demand and carries out intelligent monitoring, stagnant water washing to groundwater monitoring well, promotes groundwater circulation in the monitoring well, guarantees simple and easy water quality monitoring data's accuracy, improves sampling efficiency and practices thrift the human cost.
Description
Technical Field
The utility model relates to a groundwater monitoring well monitoring, stagnant water wash and sampling device belongs to hydrogeological environment monitoring technical field.
Background
The field hydrogeological environment monitoring well is often remote, and nearby power supply or network facilities are lacked, so that the difficulty is increased for monitoring the underground water environment. At present, most monitoring wells still depend on manual measurement, well washing and sampling, monitoring equipment is adopted in a small number of monitoring wells, monitoring targets are single, if water level or water temperature can only be monitored independently, expensive water quality monitoring equipment is also adopted in a small number of monitoring wells, and underground water environment monitoring data distortion is often caused due to the fact that the monitoring wells are not cleaned for a long time and are long in water retention time, for example, DO is higher, and EC is lower.
The existing monitoring well still needs manual on-site well washing when being manually sampled, certain time waste is caused due to the fact that the on-site well washing time is too long, sampling efficiency is seriously affected, stagnant water cleaning cannot be completely carried out, sampling is not representative, and a test result cannot reflect the real condition of underground water quality. Therefore, a set of device capable of solving the defects of monitoring and sampling of the field underground water level monitoring well is urgently needed to be designed and used for carrying out hydrogeological environment monitoring on the underground water monitoring well.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides a device for monitoring, cleaning and sampling the stagnant water of an underground water monitoring well, which has simple structure, is convenient for field application and improves the sampling efficiency; the problems that sampling of the underground water environment monitoring well caused by long-time water stagnation is not representative and water quality monitoring data are inaccurate are solved.
In order to achieve the above purpose, the utility model adopts the technical proposal that:
the underground water monitoring well monitoring, stagnant water cleaning and sampling device comprises a power supply unit, a data acquisition and control unit, a stagnant water cleaning unit, a monitoring unit and a data communication unit, wherein the data acquisition and control unit, the stagnant water cleaning unit, the monitoring unit and the data communication unit are connected with the power supply unit;
the power supply unit is used for supplying power to the device;
the data acquisition and control unit comprises a processor, an analog-to-digital converter and a relay group;
the monitoring unit comprises a voltage detection sensor and a water level and water quality sensor installed in the monitoring well, and the processor is connected with the output end of the power supply unit through the voltage detection sensor;
the data communication unit comprises an Internet of things gateway, and a network port of the Internet of things gateway is connected with the processor;
the stagnant water cleaning unit is including setting up the immersible pump in the monitoring well, the treater passes through the relay unit and connects the immersible pump.
Further, the device still includes system protection unit, system protection unit is located groundwater monitoring well top including installing the lightning rod in solar cell panel top for hold the guard box of circuit, and set up the radiator fan at the guard box inboard, and the treater passes through relay group and connects radiator fan's control end.
Further, the monitoring unit further comprises an air temperature sensor connected with the processor, and the air temperature sensor is installed inside the protection box.
Furthermore, the power supply unit comprises a solar cell panel, a storage battery and a solar controller connected with the solar cell panel, the solar cell panel is connected with the output end of the storage battery through a power converter, and the power converter outputs power required by the working of the device.
Furthermore, the relay group comprises a first direct current relay, a second direct current relay and an alternating current relay, the processor controls the submersible pump through the alternating current relay, controls the cooling fan through the first direct current relay, and controls the analog-to-digital converter and the water level and water quality sensor through the second direct current relay.
Further, the power converter comprises a 24V direct current to 220V alternating current inverter and a 24V down to 5V direct current converter; the 24V-down 5V direct current converter supplies power to the first direct current relay, and the 24V direct current-to-220V alternating current inverter supplies power to the alternating current relay.
Further, the processor is a raspberry type microcomputer.
Furthermore, the water level and water quality sensor comprises any one or any combination of a drop-in water temperature sensor, a drop-in water level sensor, a drop-in pH sensor, a drop-in conductivity sensor, a drop-in oxidation-reduction potential sensor and a drop-in dissolved oxygen sensor which are positioned in the underground water monitoring well.
Furthermore, a charging loop is arranged between the solar cell panel and the solar controller as well as between the solar cell panel and the storage battery;
the processor is in communication connection with the solar controller to control the solar panel to output electric quantity to the storage battery through the solar controller or supply power to the device.
Compared with the prior art, the utility model discloses the beneficial effect who reaches:
the underground water monitoring well is intelligently monitored and washed by stagnant water according to program setting and specific requirements, and the circulation of underground water in the monitoring well can be promoted, so that the accuracy of simple water quality monitoring data is ensured, the problem that the underground water environment monitoring well is not representative of sampling caused by long-time stagnant water is solved, the field use is simpler and more convenient, the labor cost is saved, and the sampling efficiency is improved;
the water quality monitoring content is added, data can be sent at regular time, and real-time data can be checked according to the requirements of a data center; the method comprises the following steps of cleaning stagnant water in a monitoring well in multiple modes by adopting a stagnant water cleaning unit, discharging the stagnant water in the monitoring well, increasing the circulation of underground water in the well, and preventing the quality monitoring and sampling of the underground water in the monitoring well from being influenced by the stagnant water;
through the gateway of the Internet of things, the smoothness of data communication and the reliability of a data center for remotely controlling the raspberry type microcomputer are ensured; the power converter is used to meet the requirements of field power supply; a protection unit is arranged to ensure the normal operation of the system; the device provided by the utility model adopts the modular design of unit, easily installs and maintains as required.
Drawings
Fig. 1 is a schematic diagram of a device for monitoring, cleaning and sampling groundwater monitoring wells according to an embodiment of the present invention;
FIG. 2 is a schematic circuit diagram of each unit according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an external structure of a stainless steel protection box according to an embodiment of the present invention;
in the figure: 1-1, a solar panel; 1-2, a bracket; 1-3, a solar controller; 1-4, a storage battery; 1-5, 24V drop 5V power conversion adapter; 1-6, 24V DC to 220V AC inverter; 2-1, a raspberry type microcomputer; 2-2, a first direct current relay; 2-3, an alternating current relay; 2-4, a second direct current relay; 2-5, an analog-to-digital converter; 2-6, a radiator; 3-1, a voltage detection sensor; 3-2, a water level and water quality sensor; 3-3, an air temperature sensor; 4-1, a submersible pump; 4-2, a water pipe; 4-3, stainless steel wire rope; 5-1, an Internet of things gateway; 6-1, a stainless steel protection box; 6-2, a cooling fan; 6-3, lightning rod; 7-1, exposing a hole of an internet of things gateway antenna; 7-2, wire holes; 7-3, water pipe outlet; 7-4, a drop-in sensor and a submersible pump manhole; 7-5, vent holes; 7-6, special lock; 7-7 and a bottom plate.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 by those of ordinary skill in the art through specific situations.
As shown in fig. 1, do the embodiment of the utility model provides a groundwater monitoring well monitoring, stagnant water wash and sampling device's schematic diagram, including power supply unit, data acquisition and the control unit, stagnant water wash unit, monitoring unit, data communication unit and system protection unit, wherein: the solar power supply unit comprises a solar panel 1-1, a bracket 1-2, a solar controller 1-3, a 24V direct current to 220V alternating current inverter, a storage battery 1-4 and a 24V drop 5V direct current converter. The specification of the solar cell panel 1-1 is 36V 300W, the solar cell panel is installed in an area with sufficient light through the support 1-2, and the optimal inclination angle is adjusted according to the latitude.
The solar power supply unit can provide 5V direct current, 24V direct current and 220V alternating current, the solar controller 1-3 is connected through an electric wire to provide a 24V power supply, the lithium battery (24V 100 Ah) is connected through an electric wire, the 24V drop 5V direct current converter and the 24V direct current to 220V alternating current inverter are connected, and electric energy of the solar panel 1-1 can be used for charging the lithium battery and can also be directly used for system operation.
The data acquisition and control unit comprises a raspberry microcomputer 2-1, a radiator 2-6, an analog-to-digital converter 2-5, a first direct current relay 2-2 (a control system protection unit radiator fan), an alternating current relay 2-3 (a control stagnant water cleaning unit submersible pump) and a second direct current relay 2-4 (a control intelligent monitoring unit analog-to-digital converter and a water level and water quality sensor 3-2 in a monitoring unit sensor). The Raspberry Pi 4 (64-bit 1.5GHz four-core processor, 2G DDR4 and 64G TF memory card) is selected as the Raspberry type microcomputer 2-1, the Raspberry type microcomputer 2-1 is connected with a solar power supply unit 5V power supply and is connected with an Internet of things gateway 5-1 through a network cable; the raspberry pi microcomputer 2-1 is connected with three relays through DuPont wires; the radiator 2-6 is arranged on the raspberry type microcomputer 2-1, is attached to the processor part, and is connected with the raspberry type microcomputer 2-1 by a DuPont wire; the analog-to-digital converter 2-5 adopts 8-channel specification, is connected with a 24V power supply of the solar power supply unit through an electric wire, is connected with the second direct current relay 2-4 in series, and is connected with the raspberry pi microcomputer 2-1 through a DuPont wire to realize data communication.
The data acquisition and control unit provides an external portable touch display interface for field detection and sampling personnel; a sampling person can start the submersible pump 4-1 to pump underground water through the portable touch display to finish sampling work.
The monitoring unit comprises an air temperature sensor 3-3, a voltage detection sensor 3-1 and a water level and water quality sensor 3-2, wherein the water level and water quality sensor 3-2 comprises an input water temperature sensor, an input water level sensor, an input pH sensor, a conductivity electrode, an oxidation-reduction potential electrode, a dissolved oxygen electrode and the like. The air temperature sensor 3-3 is directly connected with the raspberry type microcomputer 2-1 and is powered by the mainboard to monitor the temperature in the stainless steel protection box 6-1; the voltage detection sensor 3-1 is connected with a lithium battery through a wire and is connected with a data channel of the analog-to-digital converter 2-5 through a DuPont wire; the power end of each sensor in the water level and water quality sensor 3-2 group is connected with a 24V power supply of the solar power supply unit, and the signal end is sequentially connected with the data channel of the analog-to-digital converter 2-5. The voltage detection sensor 3-1 is used for monitoring the voltage of the solar power supply unit, and when the voltage is lower, in order to ensure the normal operation of the monitoring system, the execution of a stagnant water cleaning program is forbidden, and an alarm is sent to the data center.
The stagnant water cleaning unit comprises a stainless steel wire rope 4-3, a submersible pump 4-1 and a water pipe 4-2. Wherein, the stainless steel wire rope 4-3 is 3mm in specification, one end is tied with the submersible pump 4-1, and the other end is tied and fixed at the wellhead position. The specification of the submersible pump 4-1 is 220V 850W, the lift is 70m, the flow is 4m3/h, the diameter is 100mm, and the submersible pump is connected with a 220V alternating current power supply of a solar power supply unit through a wire; the diameter of the water pipe 4-2 is 1 inch (25 mm) and is connected with the submersible pump 4-1, and the other end is arranged in a ditch near the ground.
The water level and water quality sensor 3-2 is arranged 0.5m above the submersible pump 4-1 and is bound with the stainless steel wire rope 4-3, and a cable connecting the water level and water quality sensor 3-2 and the submersible pump 4-1 is bound with the stainless steel wire rope 4-3 at an interval of 1 m; the submersible pump 4-1 and the water level and water quality sensor 3-2 are adjusted to a monitoring stratum position through a stainless steel wire rope 4-3, the position of the water level and water quality sensor 3-2 is determined by measuring the descending length of the stainless steel wire rope 4-3, and the water level value is calibrated by combining the ground elevation and the value of the input water level sensor; the underground water burial depth is measured through the buzzing type liquid level sensor, and the accuracy of the water level obtained by the throwing type water level sensor is verified by combining the ground elevation.
When the stagnant water cleaning unit executes work, the monitoring unit executes the stagnant water cleaning unit together to monitor the water level and the water quality change condition in the cleaning process. The stagnant water cleaning procedure consists mainly of two main modes: and controlling the water level for cleaning and the time for cleaning. The control water level is mostly used for monitoring wells with small water inflow, the continuous pumping of underground water can cause the continuous reduction of the underground water level, and when the underground water level is reduced to 0.5m above the input water level sensor (the numerical value can be controlled by a data center), the submersible pump 4-1 stops working; the control time washs the great monitoring well that is used to the volume of gushing water more, draws water for a long time promptly after, and groundwater level descends unobviously or reaches stable water level (be higher than 0.5m above the formula level sensor of input), adopts the mode control immersible pump 4-1 of restriction drainage time, the utility model discloses the biggest restriction time is 2h, and this mode can combine whether water quality monitoring data reaches stably to control immersible pump 4-1 operating time and operating frequency during the stagnant water washing.
The data communication unit comprises an internet of things gateway 5-1, the internet of things gateway 5-1 is powered by a solar power supply unit 5V direct current power supply, a 4G SIM card is arranged in the internet of things gateway 5-1, and an antenna of the internet of things gateway is exposed out of a stainless steel protection box 6-1 through an internet of things gateway antenna exposure hole 7-1. The internet of things gateway 5-1 is connected with the raspberry pie microcomputer 2-1 through a network cable to provide data communication for the raspberry pie;
the system protection unit comprises a stainless steel protection box 6-1, a lightning rod 6-3 and a cooling fan 6-2. The lightning rod 6-3 is arranged near the solar cell panel 1-1, the stainless steel protection box 6-1 is arranged below the solar cell panel 1-1 to avoid insolation and rain, and the position of the manhole corresponds to the position of a well head.
As shown in FIGS. 2 and 3, which are respectively the module layout schematic diagram and the external structure schematic diagram in the stainless steel protection box according to the embodiment of the present invention, ventilation holes are formed at both sides of the stainless steel protection box 6-1, and are disposed below the solar cell panel 1-1 to avoid the sun from being exposed to the sun. The stainless steel protection box 6-1 can also be provided with a wire hole 7-2, a water pipe outlet 7-3, a drop-in sensor and submersible pump manhole 7-4, a vent hole 7-5, a special lock 7-6 and a bottom plate 7-7 according to requirements.
A solar controller 1-3, a storage battery 1-4, a 24V-down 5V power conversion adapter 1-5, a 24V DC-to-220V AC inverter 1-6, a raspberry-sending microcomputer 2-1, a first DC relay 2-2 (a control system protection unit radiator fan), an AC relay 2-3 (a control stagnant water cleaning unit submersible pump 4-1), a second DC relay 2-4 (a control intelligent monitoring unit analog-to-digital converter and a monitoring unit sensor), an analog-to-digital converter 2-5, a radiator 2-6 (a raspberry-sending microcomputer 2-1), an air temperature sensor 3-3, a voltage detection sensor 3-1, an Internet of things gateway 5-1 and a radiator fan 6-2 are installed in a protection box.
Wherein, the storage battery 1-4 adopts a lithium battery with the specification of 24V 100Ah, and the submersible pump 4-1 is ensured to normally work for more than 2 hours. The temperature sensor 3-3 adopts a DS18B20 digital temperature sensor, the measurement range is-55 ℃ to 125 ℃, the temperature sensor 3-3 is directly connected with the raspberry pi microcomputer 2-1 and is used for measuring the temperature in the stainless steel protection box 6-1, and the raspberry pi microcomputer 2-1 controls the opening of the cooling fan 6-2 according to the numerical value of the temperature sensor 3-3.
The gateway 5-1 of the internet of things adopts 4G signals, so that the raspberry pi microcomputer 2-1 is connected to a network, the collected data and the system state are automatically uploaded to a data center in real time, the data center is remotely connected with the raspberry pi microcomputer 2-1 through the network by means of SSH, and remote table control is achieved.
The practical submersible pump 4-1 has the specification of 220V 850W, the lift of 70m, the flow of 4m3/h and the diameter of 100mm, and is suitable for most monitoring wells. The submersible pump 4-1 is powered by a 220V alternating current power supply in the solar power supply unit, is connected with a relay in series and is controlled by a raspberry microcomputer 2-1.
The water level and water quality sensor 3-2 can output a 4-24 mA current signal, and the signal output end is connected with the analog-to-digital converter 2-5. The analog-to-digital converter 2-5 and the water level and water quality sensor 3-2 are powered by a 24V direct current power supply, are connected with a relay in series and are intelligently controlled by a raspberry microcomputer 2-1; the raspberry pi microcomputer 2-1 opens a relay 5 minutes before a time point needing monitoring, reads the value of each sensor after each sensor reaches a stable state, stores the value in a TF card in the raspberry pi microcomputer 2-1, and uploads data to a data center; after the data is collected for one time, the relay is closed so as to save electric energy and prolong the service life of each sensor.
The defect to current open-air groundwater water level monitoring well monitoring and sample, the utility model provides a can last the power supply automatically, automatic acquisition and record groundwater temperature, water level, conductivity, pH value, redox potential, dissolved oxygen data, intelligence is washd stagnant water in to the monitoring well, but remote control's system, this system degree of automation height, with low costs, stable simple and easy, the implementation of being convenient for is used.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (9)
1. The underground water monitoring well monitoring, stagnant water cleaning and sampling device is characterized by comprising a power supply unit, a data acquisition and control unit, a stagnant water cleaning unit, a monitoring unit and a data communication unit, wherein the data acquisition and control unit, the stagnant water cleaning unit, the monitoring unit and the data communication unit are connected with the power supply unit;
the power supply unit is used for supplying power to the device;
the data acquisition and control unit comprises a processor, an analog-to-digital converter and a relay group;
the monitoring unit comprises a voltage detection sensor and a water level and water quality sensor installed in the monitoring well, and the processor is connected with the output end of the power supply unit through the voltage detection sensor;
the data communication unit comprises an Internet of things gateway, and a network port of the Internet of things gateway is connected with the processor;
the stagnant water cleaning unit is including setting up the immersible pump in the monitoring well, the treater passes through the relay unit and connects the immersible pump.
2. The underground water monitoring well monitoring, stagnant water washing and sampling device of claim 1, characterized in that, the device still includes system protection unit, system protection unit includes the lightning rod of installing above solar cell panel, is located underground water monitoring well top, can hold the guard box of each unit circuit to and set up the radiator fan in guard box inboard, the control end of radiator fan is connected through relay group to the treater.
3. The underground water monitoring well monitoring, stagnant water washing and sampling device of claim 2, characterized in that said monitoring unit further comprises an air temperature sensor connected with a processor, said air temperature sensor being installed inside a protective box.
4. The underground water monitoring well monitoring, stagnant water washing and sampling device of claim 2, characterized in that, the power supply unit includes solar cell panel, battery, the solar control ware that is connected with solar cell panel, solar cell panel and the output connection power converter of battery, power converter output device work required power.
5. The underground water monitoring well monitoring, stagnant water washing and sampling device of claim 4, characterized in that, the relay group includes first direct current relay, second direct current relay and ac relay, the treater passes through ac relay control immersible pump, passes through first direct current relay control radiator fan, passes through second direct current relay control analog to digital converter and water level water quality sensor.
6. The underground water monitoring well monitoring, stagnant water washing and sampling device of claim 5, characterized in that, the power converter includes 24V direct current to 220V alternating current inverter, 24V falls 5V direct current converter supplies power to first direct current relay, 24V direct current to 220V alternating current inverter supplies power to alternating current relay.
7. The underground water monitoring well monitoring, stagnant water washing and sampling device of claim 1, wherein said processor is a raspberry-style microcomputer.
8. The underground water monitoring well monitoring, stagnant water washing and sampling device of claim 1, wherein the water level and water quality sensor comprises any one or any combination of a drop-in water temperature sensor, a drop-in water level sensor, a drop-in PH sensor, a drop-in conductivity sensor, a drop-in oxidation-reduction potential sensor and a drop-in dissolved oxygen sensor which are located in an underground water monitoring well.
9. The underground water monitoring well monitoring, stagnant water cleaning and sampling device as claimed in claim 4, wherein a charging loop is arranged between the solar cell panel and the solar controller and between the solar cell panel and the storage battery;
the processor is in communication connection with the solar controller to control the solar panel to output electric quantity to the storage battery through the solar controller or supply power to the device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120799751.XU CN215005328U (en) | 2021-04-19 | 2021-04-19 | Underground water monitoring well monitoring, stagnant water cleaning and sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120799751.XU CN215005328U (en) | 2021-04-19 | 2021-04-19 | Underground water monitoring well monitoring, stagnant water cleaning and sampling device |
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| Publication Number | Publication Date |
|---|---|
| CN215005328U true CN215005328U (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120799751.XU Expired - Fee Related CN215005328U (en) | 2021-04-19 | 2021-04-19 | Underground water monitoring well monitoring, stagnant water cleaning and sampling device |
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| CN (1) | CN215005328U (en) |
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2021
- 2021-04-19 CN CN202120799751.XU patent/CN215005328U/en not_active Expired - Fee Related
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Granted publication date: 20211203 |