KR101892726B1 - Water Quality and Soil Moisture Control System of Groundwater Using LPWA Communication - Google Patents

Abstract

The present invention relates to a system for controlling groundwater quality and soil moisture using low power wide area (LPWA) communication which measures groundwater quality to automatically adjust a groundwater pumping amount according to water quality, can easily monitor information on water quality measuring data, the groundwater pumping amount and an electricity usage amount of a pump used for pumping the water to transmit the information to a gateway by using LPWA communication, and can measure moisture of soil to automatically supply required moisture. The system for controlling groundwater quality and soil moisture using LPWA communication comprises a groundwater control panel, an electricity panel, a water tank, the gateway, a cloud server, and a control web service.

Description

[0001] The present invention relates to a groundwater quality and soil moisture control system using LPWA communication,

The present invention relates to a groundwater quality and soil moisture control system, and more particularly, to a groundwater quality control system, a groundwater quality control system, a groundwater quality control system, And the electric power consumption of the groundwater can be easily transmitted to the gateway by using the LPWA communication, and the ground water quality and the soil water control system using the LPWA communication which can automatically supply the necessary moisture by measuring the moisture of the soil will be.

In Korea, a lot of groundwater observation network systems are widely available. The groundwater observation network system measures the water quality through the groundwater monitoring panel for each site and transmits the water quality data to the web server through the mobile communication network. The web server manages the water quality data as a database and displays the information.

In Korea, groundwater monitoring network system is widely used in Korea, but most of them are used only for the purpose of monitoring groundwater quality of each groundwater.

Therefore, the groundwater monitoring network system does not stop its purpose only for groundwater monitoring. When the quality of the water quality is not good due to groundwater monitoring, it controls the operation of the underwater pump to stop the groundwater withdrawal, There is a need to control the operation.

In addition, when data is transmitted from the large-sized farm unit to the cloud server to the individual groundwater monitoring panel every month, the burden of the monthly fee for the farmer is increased. In order to solve this problem, a single gateway in the farm unit, There is a need for a technique of storing data for a predetermined time and transmitting data to the cloud server through the mobile communication network.

In addition to this, many large farms in Korea as well as overseas have to harvest groundwater to cultivate crops. In this case, it is necessary to monitor the water quality of the groundwater as well as manage the water quality, supply volume, reservoir water level, And a remote control system is required.

Korean Patent Publication No. 10-2011-0092952 (entitled " Method for Automatic Monitoring of Groundwater Observation Network)

The object of the present invention is to provide a system and method for controlling groundwater and soil water using LPWA communication, which not only monitors the groundwater quality, but also manages and controls the water quality, supply amount, water level, And a remote control system.

In addition, the present invention can collect and process the water quality information of a plurality of groundwater monitoring panels through a single gateway, and enable wired and wireless interfaces to transmit and receive data to / from a server in a wired or wireless network .

Further, the present invention makes it possible to collect information such as the amount of ground water used and the amount of electric power.

Further, the present invention provides a variety of operation modes according to the season or use environment by making it possible to freely adjust the amount and time of water to be taken depending on the water quality, the water tank level, or the usage amount.

In addition, the present invention is intended to enable water quality management and remote control of a farm by utilizing information such as weather, natural disaster, and the like through a cloud server connected to the Internet.

The objects of the present invention are not limited to the above-mentioned objects, and other objects not mentioned can be clearly understood by those skilled in the art from the following description.

In order to achieve the above object, the groundwater quality and soil water control system using LPWA communication according to the preferred embodiment of the present invention is installed in at least one or more stations and controls groundwater amount of water, ; An electric panel electrically connected to the groundwater control panel to supply electricity to an underwater pump that pumps the groundwater; A reservoir for receiving and storing groundwater pumped from the one or more reservoirs and generating water quality and water level data; A gateway for transmitting and receiving data through the LPWA communication with the groundwater control panel or the water tank; A cloud server for storing data transmitted and received through wired / wireless communication with the gateway; And a control web service for visualizing and displaying data received through wired / wireless communication with the cloud server.

According to a preferred embodiment, the groundwater control panel includes a water quality sensor for measuring at least one of electric conductivity, depth, temperature, pH, TDS and ORP of groundwater, and a flow meter for measuring a flow rate supplied to the water tank And the pumped water amount of the underwater pump is adjusted according to the value measured by the water quality sensor.

According to a preferred embodiment, the electric panel includes a watt hour meter for measuring an amount of power supplied to the underwater pump.

According to a preferred embodiment, the groundwater quality and soil water control system using the LPWA communication includes a soil sensor for measuring at least one of temperature and moisture of the soil, and a booster pump for supplying the groundwater stored in the water tank to the soil And a water supply control panel for transmitting and receiving data by LPWA communication with the gateway.

According to a preferred embodiment, the groundwater control panel receives the water quality and water level data of the water reservoir through the gateway, and controls the water amount of the underwater pump according to the value of the water quality and water level data.

According to a preferred embodiment of the present invention, the cloud server compares data transmitted through the gateway with values of preset data; Generating a flow control signal when the data transmitted through the gateway and the preset data are more than or less than one value; And transmitting the flow rate control signal to the gateway to control the amount of water in the underwater pump through the groundwater control panel.

According to a preferred embodiment, the control web service includes a positive number button and a farm water supply button, and when the positive number button is input, the control unit generates the underwater pump control signal and generates the booster pump control signal when the water supply button is input step; Transmitting the generated control signal to the cloud server and transmitting the generated control signal to the gateway from the cloud server; Controlling the submersible pump by transmitting the submersible pump control signal to the groundwater control panel through the gateway, and controlling the booster pump by transmitting the booster pump control signal to the agricultural water supply control panel .

It is an object of the present invention to provide a remote control system for managing the groundwater quality and soil water quality control system using LPWA communication as well as monitoring the water quality condition of the groundwater as well as the water quality, System.

In addition, according to the present invention, water quality information of a plurality of groundwater monitoring panels can be collected and processed through one gateway, and wired and wireless interfaces can be performed, so that data can be transmitted and received to / from a server through a wired or wireless network according to the situation of a site.

Further, the present invention can collect information such as the amount of ground water used, the amount of power, and the like.

In addition, the present invention can freely adjust the amount and time of water to be taken depending on the water quality, the water level, or the amount of water to be used, so that it is possible to support various operation modes according to the season or use environment.

In addition, the present invention can perform water quality management and remote control of a farm using information such as weather, natural disaster, and the like through a cloud server connected to the Internet.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a systematic view illustrating a groundwater quality and soil moisture control system using LPWA communication according to an embodiment of the present invention; FIG.
2 is a block diagram illustrating a groundwater quality and soil moisture control system using LPWA communication according to an embodiment of the present invention.
3 is a block diagram of a water quality sensor according to an embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of achieving them will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as being limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. Is provided to fully convey the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings. &Quot; and / or "include each and every combination of one or more of the mentioned items. ≪ RTI ID = 0.0 >

The terminology used herein is for the purpose of illustrating embodiments and is not intended to be limiting of the present invention. In the present specification, the singular form includes plural forms unless otherwise specified in the specification. The terms " comprises "and / or" comprising "used in the specification do not exclude the presence or addition of one or more other elements in addition to the stated element.

Unless defined otherwise, all terms (including technical and scientific terms) used herein may be used in a sense commonly understood by one of ordinary skill in the art to which this invention belongs. Also, commonly used predefined terms are not ideally or excessively interpreted unless explicitly defined otherwise.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram illustrating a groundwater quality and soil moisture control system using LPWA communication according to an embodiment of the present invention.

1, the present invention includes an underground water control panel 10, an electric panel 20, a water tank 30, a gateway 40, a cloud server 50, a control web service 60, (70).

The groundwater control panel 10 includes a water quality sensor 12 and a flow meter 13. The water quality sensor 12 is installed in at least one or more wells and measures at least one of electric conductivity, depth, temperature, pH, TDS (exclusive concentration) and ORP (redox potential) of groundwater. The flow meter (13) is installed in at least one well and measures the amount of groundwater discharge.

The electric panel 20 is electrically connected to the groundwater control panel 10 and includes an underwater pump 24 and a watt hour meter 22. The underwater pump 24 is supplied with electric power through the electric panel 20 as a device for pumping groundwater. The watt hour meter 22 pumps the groundwater and measures the amount of power used.

The water storage tank (30) is a water storage tank for storing the pumped groundwater to a use place using a large-scale farm or ground water, and includes a water tank water quality sensor and a supply flow meter. The water tank sensor measures at least one of electrical conductivity, depth, temperature, pH, TDS (exclusive concentration) and ORP (redox potential) of groundwater stored in the water tank 30. Feed meter measures underground water supplied to large farm or groundwater use.

The agricultural water supply control panel 70 is not shown in Fig. 1 but can be added as a component of the present invention. The agricultural water supply control panel 70 includes a soil sensor 72 and a booster pump 74. The soil sensor 72 measures at least one of the temperature and the moisture of the soil. The booster pump 74 is a device for supplying groundwater to a large-scale farm or a groundwater use place.

The gateway 40 receives data generated in the groundwater control panel 10, the electric panel 20, the water tank 30, and the agricultural water supply control panel 70 using LPWA (Low Power Wide Area) And transmits it to the cloud server 50 through communication. Here, wired / wireless communication can use LTE, Ethernet, WiFi, etc. using a mobile communication network. Here, using the LPWA communication, the communication cost can be reduced by securing a wide area coverage only by a single gateway or a few gateways. LPWA communication means low power long distance wireless communication such as Lora, SigFox, LTE-M, NB-IOT.

The cloud server 50 is a server for receiving, monitoring, and remotely controlling data generated in the groundwater control panel 10, the electric panel 20, the water tank 30, and the agricultural water supply control panel 70, And displays the water quality information of the water storage tank (30). The operation of the underwater pump 24 of the groundwater control panel 10 can be controlled to pump the groundwater remotely and the booster pump 74 of the agricultural water supply control panel 70 can be controlled to supply water to the crops .

The control web service 60 is a service for providing the monitoring service of the cloud server 50 to a user smart phone, a government office, and a related company, and can remotely control groundwater pumping and supply using the service.

2 is a block diagram illustrating a groundwater quality and soil moisture control system using LPWA communication according to an embodiment of the present invention.

Referring to FIG. 2, it is possible to grasp the concrete contents of the above-mentioned components and the relationship among the components.

The groundwater control panel 10 includes a power unit, a flow and power measurement unit, a water quality data processing unit, a wired / wireless communication interface unit, and an underwater pump control unit. The flow rate and power measuring unit receives the measured flow rate value through the flow meter 13 and receives the measured power value from the watt hour meter 22 of the electric panel 20 and converts it into data. The water quality data processing unit generates water quality data through the water quality measured through the water quality sensor 12. [ The wired / wireless communication interface unit transmits data generated through the flow and power measurement unit and the water quality data processing unit to the gateway 40 and transmits data generated by the cloud server 50 or the control web service 60 to the gateway 40, And receives a control signal. The underwater pump control unit generates a positive control signal to control the positive number of groundwater when the groundwater quality data value is greater than or less than the preset data value.

The electric panel 20 comprises a power source, a power meter, and a drive inverter. The drive inverter controls the operation of the underwater pump 24 through a positive control signal generated by an underwater pump control unit of the groundwater control panel.

The water storage tank 30 is composed of a power supply unit, a wired / wireless communication interface unit (water tank), and a water quality and flow rate data processing unit. The water quality and flow rate data processing unit converts the measured values from the water quality sensor and the supply flow meter into data. The wired / wireless communication interface unit (water tank) transmits data generated through the water quality and flow rate data processing unit to the gateway 40.

The agricultural water supply control panel 70 includes a power supply unit, a wired / wireless communication interface unit (agricultural water supply control panel), a soil and moisture data processing unit, and a booster pump control unit. The soil and moisture data processing unit converts the measured values through the soil sensor 72 into data. The wired / wireless communication interface unit (the agricultural water supply control panel) transmits data generated through the soil and moisture data processing unit to the gateway, and transmits the generated booster pump to the gateway 40, which is generated in the cloud server 50 or the control web service 60, And receives a control signal. The booster pump control unit supplies the groundwater stored in the water tank to the soil through the booster pump control signal received from the wired / wireless communication interface unit (agricultural water supply control panel).

The gateway 40 comprises a power supply unit, a communication data processing and storage unit, a wireless communication interface unit, and a wired / wireless network connection unit. The wireless communication interface communicates data generated by the groundwater control panel 10, the electric panel 20, the water tank 30, and the agricultural water supply control panel 70 via LPWA. The wired / wireless network connection unit transmits data received from the underground water control panel 10, the electric panel 20 water tank 30 and the agricultural water supply control panel 70 to the cloud server 50 using a communication method such as Wifi, LTE, .

The cloud server 50 includes a communication data processing unit, a sensor monitoring unit, a remote control unit, and a database management unit. The database management unit stores data transmitted from the gateway 40 to search for, share, and protect specific data. The sensor monitoring unit provides the water quality status, amount of water, power consumption or water quality of each reservoir, and supply amount in the form of numerical values or graphs through the database management unit. The remote control unit generates a remote control signal for controlling the amount of groundwater pumping water of each facility and the supply amount of the water through the agricultural water supply control panel 70 and transmits the remote control signal through the gateway 40 to the groundwater control panel 10 and the agricultural water supply control panel 70 To control the amount of groundwater pumped up and the amount supplied through the agricultural water supply control panel 70 to each of the wells.

The control web service 60 is connected to the cloud server 50 via wired / wireless communication. The user smartphone web service or the public office web service or the related company web service can be used to remotely control the water quality of the groundwater and the water tank 30 or the supply amount of the groundwater discharge water and the water supply control panel 70.

3 is a configuration diagram of the water quality sensor according to an embodiment of the present invention.

As shown in FIG. 3, the shape of the water quality sensor 12 is divided into a series type 14, a parallel type 16, and a separation type 18.

The series-type water quality sensor 14 is arranged in series with the sensors, and it is possible to replace the water quality measurement meter and reduce the size of the sensor outside.

The parallel-type water quality sensor 16 can arrange various water quality sensor sensors in parallel to obtain a plurality of water quality sensing parameters at once and exchange water quality measurement systems.

The detachable water quality sensor 18 has the smallest outer size because each sensor can perform different water quality sensing.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be understood. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive.

10: Groundwater control panel
12: Water quality sensor
13: Flowmeter
14: Series water quality sensor
16: Parallel type water quality sensor
18: Detachable water quality sensor
20: Electric panel
22: Watt hour meter
24: Submerged pump
30: Water tank
34: Soil
40: Gateway
50: Cloud server
60: Control Web Service
70: Agricultural water supply control panel
72: soil sensor
74: Booster pump

Claims (7)

A groundwater control panel installed at at least one site and controlling groundwater discharge and collecting groundwater quality data;
An electric panel electrically connected to the groundwater control panel to supply electricity to an underwater pump that pumps the groundwater;
A reservoir for receiving and storing groundwater pumped from the one or more reservoirs and generating water quality and water level data;
A gateway for transmitting and receiving data through the LPWA communication with the groundwater control panel or the water tank;
A cloud server for storing data transmitted and received through wired / wireless communication with the gateway;
And a control web service for visualizing and displaying data received through the wired / wireless communication with the cloud server,
And a water supply control panel including a soil sensor for measuring at least one of temperature and moisture of the soil and a booster pump for supplying groundwater stored in the water tank to the soil and transmitting and receiving data by LPWA communication with the gateway A groundwater quality and soil moisture control system using LPWA communication. The method according to claim 1,
The groundwater control panel includes a water quality sensor for measuring at least one of electric conductivity, depth, temperature, pH, TDS, and ORP of groundwater, and a flow meter for measuring a flow rate supplied to the water tank. Wherein the amount of water in the underwater pump is adjusted in accordance with the value of the atmospheric pressure. The method according to claim 1,
Wherein the electric panel includes a watt hour meter for measuring an amount of electric power supplied to the underwater pump. delete 3. The method of claim 2,
Wherein the underground water control panel receives the water quality and water level data of the water tank through the gateway and controls the amount of water of the underwater pump according to the water quality and water level data. The method according to claim 1,
The cloud server
Comparing data transmitted through the gateway with values of preset data;
Generating a flow control signal when the data transmitted through the gateway and the preset data are more than or less than one value;
And controlling the amount of water in the underwater pump through the groundwater control panel by transmitting the flow control signal to the gateway.
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