KR20210077937A - Mobile water quality measuring apparatus and prediction system using the same - Google Patents

Abstract

The present invention provides a water quality measurement device comprising: a water quality measurement device including a water quality measurement device body provided in the shape of a boat, an Arduino board provided in the body of the water quality measurement device, a water quality sensor provided on the Arduino board, a DC motor, a servo motor, a temperature sensor, a Wi-Fi module, a Bluetooth module, and a battery for supplying power; a database for storing the water quality data measured by the water quality measurement device; and a web for providing water quality data and water quality prediction information stored in the database through a water quality data processing process to users in the form of a time series graph. Water quality data is transmitted to the database by the Wi-Fi module. A time- and cost-effective water quality measurement device that can be made and installed directly by being produced to be lightweight. Also, the present invention provides a water quality measurement system capable of safely measuring water quality and checking measured data in real time through the web.

Description

A mobile water quality measuring device and a prediction system using the same {MOBILE WATER QUALITY MEASURING APPARATUS AND PREDICTION SYSTEM USING THE SAME}

The present invention relates to a water quality measuring device provided to be movable on the water surface and a prediction system using the same. More specifically, a water quality measuring device body provided in the shape of a boat, an Arduino board provided on the water quality measuring device body, and a water quality measuring sensor, DC motor, servo motor, temperature sensor, and Wi-Fi module provided on the Arduino board , a water quality measuring device comprising a Bluetooth module, and a battery for supplying power; a database for storing the water quality data measured by the water quality measuring device; It relates to a water quality measuring device comprising a web that provides water quality data and water quality prediction information stored in the database through a water quality data processing process in the form of a time series graph to a user, and a prediction system using the same.

Water quality measurement device In general, in processes such as sewage and wastewater, water supply, drainage, power plants and general production lines, it means measuring various measurement items with one measuring device and transmitting the data accordingly.

For example, although the power generation equipment used in the power plant varies depending on the output, it consists of units 1 to 8. In addition, for each power generation water supply line for each unit, a pre-treatment facility and water quality measuring device are attached at a maximum of 14 sample racks. Therefore, such a power generation facility is the most important facility in determining whether it can be used as water for power generation.

In such a power generation water supply line, if necessary, the water quality measurement device is used in water quality control, water quality measurement monitoring and control field, temperature measurement, hydrogen ion measurement, chemical oxygen demand measurement, suspended matter amount measurement, total nitrogen measurement, total It is to measure salvage, measure the amount of chlorine, etc. Such a conventional water quality measurement device is configured to measure water quality using a water quality measurement device configured individually for each measurement item.

However, in order to measure the characteristics of various components and items of water quality, a water quality measuring device suitable for the measurement of each item is individually measured, which increases the complexity and cost of purchasing and operating multiple water quality measuring devices. There was a problem with taking.

In addition, most conventional water quality measuring devices are manufactured and sold with foreign technology, and purchase and procedures are complicated, and repair is difficult due to abnormalities and failures. In addition, the conventional water quality measurement device has a problem that it is difficult to operate using a foreign product, and cannot be used universally because it cannot be handled by a person other than a manager and a measurer who owns the manual.

For this reason, there is an urgent need for a water quality measuring device that can be easily operated by people other than managers and measurers, and that can be supplied and used economically and conveniently and economically by using a water quality measuring device made with domestic technology. to be. There was a problem that it could not be used universally because it could not be handled by anyone other than the manager and the person who owns the manual. For this reason, there is an urgent need for a water quality measuring device that can be easily operated by people other than managers and measurers, and that can be supplied and used economically and conveniently and economically by using a water quality measuring device made with domestic technology. situation.

In addition, since the conventional water quality measuring device weighs more than 20 kg, several people are needed to install it, and to install and collect it, you have to go directly into the water. If the area to be measured is contaminated, it will be difficult for people to enter directly and it will be difficult to measure. Such effort and manpower cost a lot of money. And since it is installed on a pier, there is a problem in measuring only the water quality in the same section.

Document 1 Korean Intellectual Property Office, Registered Patent No. 10-1801033, “Water quality monitoring device with Internet of Things function” Document 2 Korea Intellectual Property Office, Patent Publication No. 10-2012-0117429, “Remote monitoring system and remote monitoring method using the same”

In order to achieve the above object, an object of the present invention is to provide a water quality measuring device with high efficiency in time and cost, which can be made lightweight and directly installed.

In addition, an object of the present invention is to provide a water quality measurement system that can safely measure water quality in a desired area by directly controlling a boat-shaped product using Bluetooth communication, and check the measured data in real time through the web.

In order to achieve the above object, the present invention is provided in the shape of a boat, the water quality measuring device body is provided to be drivable from the water surface on the water surface; It is configured to include an Arduino board provided in the water quality measuring device body, and the water quality measuring sensor, DC motor, servo motor, temperature sensor, Wi-Fi (WI-Fi) module, Bluetooth module, and power source provided in the Arduino board. It is characterized in that it includes a battery to supply.

In addition, the water quality sensor of the present invention is characterized in that any one or more of a PH sensor, a dissolved oxygen sensor and a turbidity sensor.

In addition, the present invention provides a water quality measuring device body provided in the shape of a boat, an Arduino board provided on the water quality measuring device body, and a water quality measuring sensor, DC motor, servo motor, temperature sensor, and Wi-Fi module provided on the Arduino board. , a water quality measuring device comprising a Bluetooth module, and a battery for supplying power; a database for storing the water quality data measured by the water quality measuring device; and a web that provides water quality data and water quality prediction information stored in the database through a water quality data processing process to users in the form of a time series graph, characterized in that the water quality data is transmitted to the database by the Wi-Fi module do.

In addition, the water quality data processing process of the present invention comprises the steps of connecting to the database (S100); measuring the current user's location using the database (S200); retrieving a location of a nearby river based on the location of the currently used car (300); and comparing the water quality data of the river where the user is currently located with the water quality data stored in the database, predicting the water quality data of the river and outputting it to the web (S400).

The effects generated by the implementation of the present invention by the above-described configuration are as follows.

First, it is possible to provide a water quality measuring device with high efficiency in time and cost, which can be made lightweight and directly installed by the practice of the present invention.

In addition, according to the embodiment of the present invention, it is possible to provide a water quality measurement system that can safely measure water quality in a desired area by directly controlling a boat-shaped product using Bluetooth communication, and check the measured data in real time through the web.

1 is a conceptual diagram of a water quality measuring device body used in a first preferred embodiment of the present invention and a plan view of an Arduino board;
2 is a flowchart showing a data processing process by the Arduino board according to the first embodiment of the present invention;
3 is a block diagram of a second preferred embodiment of the present invention, and
4 is a flowchart of a second preferred embodiment of the present invention.

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

Advantages and features of the present invention and methods of achieving them will become apparent with reference to the embodiments described below in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms, and only the embodiments allow the disclosure of the present invention to be complete, and common knowledge in the art to which the present invention pertains. It is provided to inform the possessor of the scope of the invention, and the present invention is only defined by the scope of the claims. In addition, the terms used in the present invention have been selected as currently widely used general terms as possible while considering the functions in the present invention, which may vary depending on the intention, precedent, or emergence of new technology of those of ordinary skill in the art. . In addition, in a specific case, there is a term arbitrarily selected by the applicant in consideration, and in this case, the meaning will be explained through the description of the function and structure in detail in the detailed description of the corresponding invention. Therefore, the term used in the present invention should be defined based on the meaning of the term and the overall content of the present invention, rather than the name of a simple term.

1 is a conceptual diagram of the main body of the water quality measuring device used in the first preferred embodiment of the present invention and a plan view of the Arduino board.

The water quality measuring device 10 according to the present invention includes: a water quality measuring device body 100 provided in the shape of a boat so as to be driven on the water surface by a driving motor on the water surface; It is configured to include an Arduino board 200 provided in the water quality measuring device body, wherein the Arduino board is a water quality measuring sensor 210, a DC motor 220, a servo motor 230, a temperature sensor 240, It is configured to include a Wi-Fi (WI-Fi) module 250, a Bluetooth module 260, and a battery 270 for supplying power.

The water quality measuring device body 100 is provided in the shape of a general small or toy-sized boat as shown in FIG. 1 and can be configured to be driven by a DC motor 220 or a servo motor 230 to be described later. Since the shape of the water quality measuring device body 100 can be configured by various methods depending on the implementation conditions, it is shown as an exemplary shape in FIG. 1 . However, since the size of the main body 100 of the water quality measuring device is for the purpose of measuring water quality, it is preferable to adjust the length to 50 cm and 20 cm in width to be carried out.

As shown in FIG. 1 , the Arduino board 200 is provided in the body of the water quality measuring device. At this time, the Arduino board supplies the water quality sensor 210, DC motor 220, servo motor 230, temperature sensor 240, Wi-Fi module 250, Bluetooth module 260, and power. It is preferable to carry out including a battery 270 to supply. And the water quality measurement sensor 210 can be implemented by configuring any one or more of the PH sensor 212, the dissolved oxygen sensor 214 and the turbidity sensor 216.

The PH sensor 212 constituting the water quality measurement sensor 210 is a device for analyzing the hydrogen ion concentration in a solution using a direct potential difference method between the measurement electrode and the reference electrode, and the dissolved oxygen sensor 214 is dissolved in water. It is a device for measuring the amount of oxygen present, and the turbidity sensor 216 is a device for measuring the turbidity of a liquid through the scattering degree of light by incident light. As described above, one or more of the three sensors according to the operating conditions It can be configured and implemented. In addition, other sensors for measuring biological oxygen demand (BOD) or chemical oxygen demand (COD) may be additionally performed.

The DC motor 220 is used to drive the water quality measuring device body provided in the shape of the ship, and the servo motor 230 is used to control the direction of the ship. At this time, it is preferable to change the magnitude of the driving force of the DC motor 220 and the servo motor 230 in various ways according to the implementation conditions.

The temperature sensor 240 measures the water temperature of the water subject to water quality measurement. And the Wi-Fi module 250 is used to transmit the measured water quality data to the database (20). The Bluetooth module 260 is used to control the water quality measuring device through Bluetooth communication using a mobile phone or a remote controller.

2 is a flowchart showing a data processing process by the Arduino board used in an embodiment of the present invention.

First, when power is supplied to the Arduino board 200, the Wi-Fi module 250 is restarted and the Wi-Fi is connected to the network by selecting the Wi-Fi mode.

And when the input value from the user's smart phone or remote control is transmitted through Bluetooth communication, the water quality measuring device body is driven in the forward or reverse direction by the DC motor 220 and the servo motor 230 .

And while the water quality measuring device main body 100 is driven, the temperature sensor 240, Wi-Fi module 250, Bluetooth module 260, PH sensor 212, dissolved oxygen sensor 214 and turbidity The sensor 216 measures the water quality, and the measured data is transmitted to the database 20 to be described later through the Wi-Fi module 250 , and then it can be confirmed on the web 30 .

3 is a block diagram of a second preferred embodiment of the present invention, and FIG. 4 is a flowchart of a second preferred embodiment of the present invention.

The water quality prediction system as another embodiment of the present invention is a water quality measuring device body 100 provided in the shape of a boat, an Arduino board 200 provided in the water quality measuring device body 100, and the Arduino board 200. It includes a water quality sensor 210, a DC motor 220, a servo motor 230, a temperature sensor 240, a Wi-Fi module 250, a Bluetooth module 260, and a battery 270 for supplying power. The water quality measuring device 10 is configured to; a database 20 for storing the water quality data measured by the water quality measuring device; It is configured to include a web 30 that provides water quality data and water quality prediction information stored in the database 20 through a water quality data processing process in the form of a time series graph to a user, and provides the water quality data to the Wi-Fi module 250. It can be implemented by configuring it to be transmitted to the database 250 by the And the water quality sensor 210 can be implemented by configuring any one of the PH sensor 212, the dissolved oxygen sensor 214, or the turbidity sensor 216.

That is, as in the case of FIG. 3 , when the water quality is measured using the main body 100 of the water quality measurement device by remote control by the user and then the water quality data is transmitted to the database 20 , the database 20 stores it. In addition, the water quality data is transmitted to the web, and another user can access the web 30 and check it. In addition, depending on the implementation conditions, it may be implemented to provide separate weather API (application program interface) data to the web 30 from the database. In addition, the web 30 may be configured to provide the user with the water quality data and water quality prediction information stored in the database 20 through the water quality data processing process in the form of a time series graph.

The water quality data processing process includes the steps of connecting to the database 20 as shown in FIG. 4 (S100); measuring the current user's location using the database 20 (S200); retrieving a location of a nearby river based on the location of the currently used car (300); and comparing the water quality data of the river where the user is currently located with the water quality data stored in the database 20 to predict the water quality data of the river and output it to the web (S400). In the example of FIG. 4 , it was assumed that this process was performed for about 1 minute.

First, it connects to the external database 20 and measures the current user's location using the database 20 . Then, a nearby river is searched based on the current user's location. The water quality is predicted by comparing the water quality data stored in the database 20 with the water quality data measuring the water quality of the river where the user is currently located. Then, it is printed on the web so that other users, etc. can check it.

Although preferred embodiments of the present invention have been described above, the present invention is not limited thereto, and it is possible to carry out various modifications within the scope of the claims and the detailed description and accompanying drawings It is natural to fall within the scope of the invention.

10; Water quality measuring device
20; database
30; web
100; device body
200; arduino board
210; resin measuring sensor
212; pH sensor
214; dissolved oxygen sensor
216; Turbidity sensor
220; DC motor
230; servo motor
240; temperature Senser
250; wifi module
260; bluetooth module
270; battery

Claims (5)

A water quality measuring device body provided in the shape of a boat to be driven on the water surface by a driving motor on the water surface;
an Arduino board provided in the body of the water quality measurement device;
Consists of including,
The Arduino board is a water quality measuring device, characterized in that it comprises a water quality sensor, a DC motor, a servo motor, a temperature sensor, a Wi-Fi (WI-Fi) module, a Bluetooth module, and a battery for supplying power.
In claim 1,
The water quality measuring sensor is a water quality measuring device, characterized in that any one or more of a PH sensor, a dissolved oxygen sensor and a turbidity sensor,
A water quality measuring device body provided in the shape of a boat, an Arduino board provided on the water quality measuring device body, and a water quality measuring sensor provided on the Arduino board, a DC motor, a servo motor, a temperature sensor, a Wi-Fi module, a Bluetooth module, and Water quality measuring device comprising a battery for supplying power;
a database for storing the water quality data measured by the water quality measuring device;
a web for providing water quality data and water quality prediction information stored in the database through a water quality data processing process to a user in the form of a time series graph;
It is composed, including,
Water quality prediction system using a water quality measuring device, characterized in that for transmitting the water quality data to the database by the Wi-Fi module.
In claim 3,
The water quality measurement sensor is a water quality prediction system using a water quality measurement device, characterized in that any one or more of a turbidity sensor, a PH sensor, and a dissolved oxygen sensor
In claim 3 or 4,
The water quality data processing process,
connecting to the database (S100);
measuring the current user's location using the database (S200);
retrieving a location of a nearby river based on the location of the currently used car (300); and
Comparing the water quality data of the river where the user is currently located and the water quality data stored in the database, predicting the river water quality data and outputting it to the web (S400);
Water quality prediction system using a water quality measuring device, characterized in that it comprises a.

Images