KR20180025396A - Water quality maintenance device based on streaming technology - Google Patents

Abstract

Various embodiments of the present invention relate to a water quality maintenance apparatus based on streaming technology, capable of automatically generating microbubbles in connection with the flow direction of seawater to maintain optimal water quality by measuring the water quality of a fish farm and analyzing the data thereof. To achieve the purpose, the apparatus includes: a sensor part sensing the dissolved oxygen, temperature, current direction, and flow rate of seawater; a bubble generating part generating air bubbles in the seawater; a power generating part supplying power to the sensor part and the bubble generating part; and a control part receiving power from the power generating part, controlling the bubble generating part and power generating part after collecting, processing, and analyzing data of the dissolved oxygen, temperature, current direction, and flow rate, and transmitting the data to a server on the ground through LTE and Internet networks.

Description

[0001] The present invention relates to a water quality maintenance device based on streaming technology,

Various embodiments of the present invention are directed to streaming technology-based water quality environment maintenance apparatus.

In general, seawater-based aquaculture can be broadly divided into aquaculture tank type and marine cage type.

The land aquaculture is a method of cultivating the organism by artificially controlling the habitat by moving the organism to the aquarium of the land, and the sea caged aquaculture is a method of harvesting the organism by netting in a large space of the sea.

Unlike marine aquaculture, marine aquaculture does not require the exchange of seawater, and it is increasing with the advantage of mass production of fish. In these marine cage cultures, feeding is generally done by the person spraying the feed directly from the sea by spraying or dumping.

Around the cage farms, eutrophication due to aquaculture feed (fish food), fecal matter from the fishes of the target fish and body and nitrogen and phosphorus from the carcass are serious, and the bottom layer of the cage farm forms an anoxic layer, In addition to causing toxic gases, microorganisms in these eutrophicated sediments can degrade ecosystems by depleting dissolved oxygen in the water or making them very low in concentration, making it difficult for other benthic animals to consume oxygen.

The above-described information disclosed in the background of the present invention is only for improving the understanding of the background of the present invention, and thus may include information not constituting the prior art.

Various embodiments of the present invention provide an apparatus for maintaining a water quality environment based on streaming technology capable of maintaining an optimal water quality environment by measuring water quality and the like of a farm in real time and automatically generating micro air bubbles through data analysis.

According to various embodiments of the present invention, a streaming technology-based water quality environment maintenance apparatus includes a sensor unit for sensing dissolved oxygen amount, water temperature, flow direction, and flow rate of seawater; A bubble generator generating air bubbles in the seawater; A power generator for supplying power to the sensor unit and the bubble generator; And collecting, processing and analyzing data on dissolved oxygen amount, temperature, flow direction and flow rate obtained from the sensor unit, controlling the bubble generator and the power generation unit, and controlling the LTE network and the Internet network And transmits the data to a server on the ground.

Wherein the bubble generator includes a plurality of bubble generating hoses formed in parallel with each other in the seawater and the controller analyzes data of incense obtained from the sensor unit and then performs an operation of the bubble generating hose Stop.

The controller analyzes the dissolved oxygen amount data acquired from the sensor unit, and turns on the power generation unit and the bubble generator when the dissolved oxygen amount is less than the reference value.

The smartphone is communicatively connected to the Internet through a WIFI, 3G or LTE network, and the controller transmits data on the dissolved oxygen amount, temperature, flow direction and flow rate to the smartphone.

And the turn-on and turn-off of the generator and the bubble generator are directly controlled through the smartphone.

The controller transmits an alarm signal to the smartphone when any one of the dissolved oxygen amount, water temperature, intakes, or flow rate data is smaller than or greater than a reference value.

An input / output unit for input / output of the data is further connected between the sensor unit and the control unit.

Wherein the bubble generator, the generator, and the controller are further connected to a power source, and the controller outputs a control signal to the power source through the input / output unit, Turn off.

The controller includes an LTE wireless communication module for communication with the LTE network.

And a battery for supplying power to the sensor unit, the bubble generator and the control unit, and the battery is charged by the power generator turned on by the control signal of the controller.

Various embodiments of the present invention provide an apparatus for maintaining a water quality environment based on streaming technology capable of maintaining an optimal water quality environment by measuring water quality and the like of a farm in real time and automatically generating micro air bubbles through data analysis. In particular, the streaming technology-based water quality environment maintenance apparatus according to the embodiment of the present invention automatically and selectively generates micro-air bubbles in conjunction with the sea water flow direction, thereby avoiding unnecessary energy consumption.

Specifically, the streaming technology-based water quality environment maintenance apparatus according to an embodiment of the present invention senses various external environments such as dissolved oxygen amount, water temperature, flow direction and / or flow rate of seawater, processes and analyzes the external environment, By selectively and automatically activating the generator, the water environment of the seawater is always kept at the optimal environment with minimum energy.

1 is a schematic diagram showing a configuration of a streaming technology-based water quality environment maintenance apparatus according to various embodiments of the present invention.
FIG. 2 is a schematic view showing an installation state of a streaming technology-based water quality environment maintenance apparatus according to various embodiments of the present invention.
3 is a schematic plan view showing a bubble generating position along the direction of the sea water in a streaming technology-based water quality environment maintenance apparatus according to various embodiments of the present invention.
4 is a block diagram illustrating a configuration of a streaming technology-based water quality environment maintenance apparatus according to various embodiments of the present invention.
5 is a schematic diagram illustrating power supply flow in a streaming technology-based water quality environment maintenance apparatus according to various embodiments of the present invention.

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

The embodiments of the present invention are described in order to more fully explain the present invention to those skilled in the art, and the following embodiments may be modified into various other forms, It is not limited to the embodiment. Rather, these embodiments are provided so that this disclosure will be more faithful and complete, and will fully convey the scope of the invention to those skilled in the art.

In the following drawings, thickness and size of each layer are exaggerated for convenience and clarity of description, and the same reference numerals denote the same elements in the drawings. As used herein, the term "and / or" includes any and all combinations of one or more of the listed items. In the present specification, the term " connected "means not only the case where the A member and the B member are directly connected but also the case where the C member is interposed between the A member and the B member and the A member and the B member are indirectly connected do.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the singular forms "a," "an," and "the" include singular forms unless the context clearly dictates otherwise. Also, " comprise, " and / or "comprising, " when used in this specification, are intended to be interchangeable with the said forms, numbers, steps, operations, elements, elements and / And does not preclude the presence or addition of one or more other features, integers, operations, elements, elements, and / or groups.

Although the terms first, second, etc. are used herein to describe various elements, components, regions, layers and / or portions, these members, components, regions, layers and / It is obvious that no. These terms are only used to distinguish one member, component, region, layer or section from another region, layer or section. Thus, a first member, component, region, layer or section described below may refer to a second member, component, region, layer or section without departing from the teachings of the present invention.

It is to be understood that the terms related to space such as "beneath," "below," "lower," "above, But may be utilized for an easy understanding of other elements or features. Terms related to such a space are for easy understanding of the present invention depending on various process states or use conditions of the present invention, and are not intended to limit the present invention. For example, if an element or feature of the drawing is inverted, the element or feature described as "lower" or "below" will be "upper" or "above." Thus, "lower" is a concept encompassing "upper" or "lower ".

In addition, the controller (controller) and / or other associated equipment or components in accordance with the present invention may be implemented using any suitable hardware, firmware (e.g., custom semiconductor), software, or any appropriate combination of software, . For example, the various components of a controller (controller) and / or other associated equipment or components in accordance with the present invention may be formed on one integrated circuit chip or on a separate integrated circuit chip. In addition, the various components of the controller (controller) may be implemented on a flexible printed circuit film and formed on the same substrate as the tape carrier package, printed circuit board, or controller (controller). In addition, the various components of the controller (controller) may be a process or thread executing on one or more processors in one or more computing devices, which executes computer program instructions to perform various functions, And interact with other components. The computer program instructions are stored in a memory that can be executed on a computing device using standard memory devices, such as, for example, random access memory. The computer program instructions may also be stored in other non-transitory computer readable media, such as, for example, CD-ROMs, flash drives, and the like. Further, those skilled in the art will appreciate that the functions of the various computing devices may be combined with one another, integrated into one computing device, or the functionality of a particular computing device may be implemented within one or more other computing devices Lt; / RTI > can be dispersed in the < / RTI >

For example, the controller according to the present invention may be implemented as a central processing unit, a mass storage device such as a hard disk or solid state disk, a volatile memory device, an input device such as a keyboard or a mouse, an output device such as a monitor or a printer, Of commercial computers.

In addition, the streaming technology-based water quality environment maintenance apparatus according to the present invention has an environment that can be operated based on, for example, but not limited to, Windows 10 and / or Android OS.

1 is a schematic diagram showing the configuration of a streaming technology-based water quality environment maintenance apparatus 100 according to various embodiments of the present invention.

1, a streaming technology-based water quality environment maintenance apparatus 100 according to an embodiment of the present invention includes a sensor unit 110, a bubble generator 120, a power generator 130, and a controller 140 . The streaming technology-based water quality environment maintenance apparatus 100 according to an embodiment of the present invention further includes a server 161 and / or a smart phone 162 communicably connected to the control unit 140 via the Internet network 150 . Here, the smart phone 162 includes all computing devices capable of wireless communication, and is not limited to a mobile phone capable of wireless telephone and wireless Internet.

The sensor unit 110 is installed in the seawater and senses the dissolved oxygen amount, water temperature, flow direction and / or flow rate of the seawater, converts the sensed oxygen amount into an electrical signal, and transmits the electrical signal to the controller 140.

The bubble generator 120 (or the oxygen generator) is installed in the seawater to generate micro air bubbles, thereby increasing the amount of dissolved oxygen in the seawater. The bubble generator 120 sucks outside air by, for example, but not limited to, a motor and a pump, and then filters out foreign matter therefrom, and then supplies fresh air into the seawater.

The power generation unit 130 is installed on the outside of the seawater, for example, on a buoyancy member and a frame supporting various structures of the cage farm, and generates electric power / electric power and supplies the generated electric power to the sensor unit 110, 120 and / or the control unit 140, respectively. Here, the bubble generating unit 120 may be turned on at the time of turning on the power generating unit 130, for example, but not limited thereto. In addition, the power generation section 130 may be, for example, but not limited to, a diesel generator, a petrol generator, or the like, through which a predetermined AC or DC power / electric power is obtained.

The control unit 140 collects, processes, and analyzes various data such as the amount of dissolved oxygen, water temperature, direction and / or flow rate acquired from the sensor unit 110, and then, according to a predetermined algorithm, Thereby controlling the water quality of the seawater to be maintained at the optimum state at all times. The controller 140 may be implemented using any suitable hardware, firmware (e.g., custom semiconductor), software, or a suitable combination of software, firmware, and hardware, Is omitted.

In addition, the controller 140 transmits the above-described data to the server 161 on the ground and / or the smartphone 162 of the user via the LTE network and / or the Internet 150 in real time. Of course, for this, the control unit 140 includes a communication module, which will be described below again. In addition, the turn-on and / or turn-off of the power generation unit 130 and the bubble generator 120 described above by the smartphone 162 can be directly and selectively controlled by the user.

The control unit 140 analyzes the data of the dissolved oxygen amount acquired from the sensor unit 110, for example, but is not limited thereto. If the dissolved oxygen amount is smaller than the reference value, the controller 140 analyzes the data of the power generation unit 130 and / The generating unit 120 can be turned on. Furthermore, the controller 140 can adjust the amount of bubbles generated by the bubble generator 120 according to the amount of dissolved oxygen. That is, when the amount of dissolved oxygen is relatively small, the amount of bubbles generated by the bubble generating unit 120 is relatively increased, and when the amount of dissolved oxygen is relatively large, the amount of bubbles generated by the bubble generating unit 120 can be relatively reduced.

The control unit 140 analyzes the data of the water temperature acquired from the sensor unit 110 and analyzes the data of the water temperature acquired from the power generation unit 130 and / Thereby turning on the unit 120.

In addition, the controller 140 may transmit an alarm signal to the Internet 150 if the value of any one of the dissolved oxygen amount, water temperature, flow direction, and / or flow velocity is smaller than or greater than the reference value, for example, To the smartphone 162 to allow a user at sea or land to check the quality of the cage farm in real time and take follow-up promptly.

Further, the control unit 140 may control the amount of dissolved oxygen, the temperature, the flow direction and / or the flow rate, and the temperature of the power generation unit 130 and / or the bubble generation unit 120, Off state to the server 161 through the Internet network 150 in real time, and the server 161 stores and displays the turn-off state by time. Accordingly, the user can change the operation state of the streaming technology-based water quality environment maintenance apparatus 100 according to the present invention to the server 161 or the smart phone 162 or the computer that can be connected thereto via the Internet network 150, So that it can be monitored and managed.

In this way, the streaming technology-based water quality environment maintenance apparatus 100 according to various embodiments of the present invention measures the quality of water in the farm in real time and automatically generates micro air bubbles through data analysis, . Specifically, the streaming technology-based water quality environment maintenance apparatus 100 according to an embodiment of the present invention senses various physical quantities such as dissolved oxygen amount, water temperature, flow direction and / or flow velocity of seawater, processes and analyzes the physical quantities, By selectively and automatically operating the bubble generator 130 and the bubble generator 120, the water environment of the seawater is always kept at the optimal environment with minimum energy.

In addition, the streaming technology-based water quality environment maintenance apparatus 100 according to various embodiments of the present invention may allow a user to operate the server 161 or the smartphone 162 via a network such that the dissolved oxygen amount, the temperature, the frictional and / Off state of the generator 120 and / or the generator 130, and the remaining amount of the battery can be monitored in real time, and if necessary, the bubble generator 120 ) And / or the power generation unit 130 can be directly turned on / off so that, for example, it is possible to directly control the water quality of the cage farm in a remote place. Of course, it is a matter of course that the user can directly control the amount of bubbles generated by the bubble generator 120 using the smartphone 162.

FIG. 2 is a schematic view showing an installation state of a streaming technology-based water quality environment maintenance apparatus 100 according to various embodiments of the present invention.

As shown in FIG. 2, a frame 102, which is plated by the buoyancy member 101, is installed to implement a cage farm, and a power generation unit and a control unit 140 are installed on the frame 102 A sensor unit 110 is provided below the frame 102 and a plurality of bubble generating hoses 121a, 121b and 121c connected to the bubble generating unit 120 are installed under the frame 102. [

The control unit 140 is connected to the access point 102 via the LTE network and the access point 102 is connected to the Internet 150 so that the control unit 140 controls the server 161 and / Or a smart phone 162. [

In this way, the control unit 140 controls the amount of dissolved oxygen, water temperature, direction and / or flow rate of seawater, data of the bubble generating unit 120 and / On / off state of the unit 130 in real time.

3 is a schematic plan view showing a bubble generating position according to a direction of a seawater flow in a streaming technology-based water quality environment maintenance apparatus 100 according to various embodiments of the present invention.

As shown in FIG. 3, the bubble generating unit 120 includes a plurality of bubble generating hoses 121a, 121b, and 121c arranged in parallel in the seawater. For example, although not limiting, three bubbling hoses 121a, 121b, and 121c may be arranged in parallel in the horizontal direction. For convenience, the upper bubble generating hose 121a, the intermediate bubbling hose 121b, and the lower bubbling hose 121c may be defined in the drawing of FIG.

Here, the flow of the sea water, that is, the sea water, can be sensed by the sensor unit 110. For example, although not limited thereto, as shown in the left side of FIG. 3, (For example, from north to south), and also as shown in the right side of Figure 3, the seawater flows from the bottom to the top (e.g., from south to north) .

3, the control unit 140 controls air bubbles to be generated only through the upper bubble generating hose 121a and the intermediate bubble generating hose 121b, and when the seawater flows from the lower part to the lower part, And controls (blocks) air bubbles from being generated through the bubble generating hose 121c. That is, if air bubbles are generated through the lower bubble generating hose 121c, it is completely deviated to the outside of the cage farm by the sea water direction, and consumes only energy unnecessarily.

3, when the seawater flows from the lower part to the upper part, the controller 140 controls air bubbles to be generated only through the lower bubble generating hose 121c and the intermediate bubble generating hose 121b, And controls (blocks) air bubbles from being generated through the bubble generating hose 121a. That is, if air bubbles are generated through the upper bubble generating hose 121a, it is completely deviated to the outside of the cage farm by the sea water direction, and consumes only energy.

In this manner, the streaming technology-based water quality environment maintenance apparatus 100 according to the embodiment of the present invention controls the bubble generating hoses 121a, 121b and 121c selectively at the most efficient positions in conjunction with the sea water flow direction, By automatically generating bubbles, unnecessary energy consumption can be avoided.

FIG. 4 is a block diagram illustrating a configuration of a streaming technology-based water quality environment maintenance apparatus 100 according to various embodiments of the present invention.

4, the streaming technology-based water quality environment maintenance apparatus 100 includes a sensor unit 110, a bubble generator 120, a power generation unit 130, and a control unit 140, Output unit 170, a power source unit 180, and an external battery 190. The input / In addition, the control unit 140 can be communicatively connected to the server 161 through the LTE network 151 and the Internet network 150 and can also be connected to the smartphone 162 (e.g., the WIFI, 3G and / or LTE network 152) As shown in FIG. In the figure, the dotted arrows indicate the direction of power / power transmission, and the solid arrows indicate the direction of transmission of data and / or control signals.

The sensor unit 110 may include, but is not limited to, a number of flow velocity and flow sensors 111, and a plurality of dissolved oxygen quantities and water temperature sensors 112, for example. Of course, the flow velocity and the direction of flow can be sensed separately. However, since the sensing principle is similar, the flow rate and the directivity can be simultaneously obtained from one sensor, and the dissolved oxygen amount and the water temperature can be separately sensed. However, Can be obtained simultaneously.

The control unit 140 may include, for example and without limitation, a sensor data collection and processing unit 141, a sensor data analysis unit 142, a determination and control unit 143, and an LTE communication module 144 .

The sensor data collection and processing unit 141 collects various data from the sensor unit 110, processes the collected data, and transmits the collected data to the sensor data analysis unit 142. The sensor data analysis unit 142 classifies and analyzes the dissolved oxygen amount, the water temperature, the direction and / or the flow rate from the collected data, respectively. The determination and control unit 143 determines whether the value of each analyzed data is larger or smaller than a preset reference value, outputs a control signal according to the determination, and transmits the data value to the LTE communication module 144.

Here, the sensor data collection and processing unit 141, the sensor data analysis unit 142, and the determination and control unit 143 may be implemented by any suitable hardware, firmware (e.g., an application-specific semiconductor) , Software, or any combination of software, firmware, and hardware.

The control signal from the determination and control unit 143 is transmitted to the input / output unit 170 and / or the power supply unit 180, respectively. In addition, the LTE communication module 144 transmits the above-described data, that is, information (flow rate, intention, dissolved oxygen amount, water temperature, power generation section and turn on / off of the bubble generating section) through the LTE network 151, And receives a remote command from the phone 162. In addition, the control unit 140 may include an internal battery 145, and the control unit 140 may be operated by the internal battery 145.

The input and output unit 170 electrically connects the sensor unit 110 and the control unit 140 and electrically connects the control unit 140 and the power source unit 180 to each other. That is, the input / output unit 170 allows the control unit 140 to input data of dissolved oxygen amount, water temperature, flow rate, and intention of the sensor unit 110, and also controls the power supply unit 130 to turn on / A control signal, and a control signal of the bubble generator 120 to the power supply unit 180. [

The controller 140, the bubble generator 120, the power generator 130, and / or the external battery 190 may be connected to the power source 180 as described above. The power supply unit 180 supplies power to the control unit 140, controls the power supply control circuit of the power generation unit 130, and controls the control circuit of the bubble generation unit 120. In addition, the external battery 190 can be charged by the power generation unit 130. That is, when the control unit 140 outputs a control signal related to the power generation unit 130 and / or the bubble generation unit 120 through the input / output unit 170, the input / output unit 170 transmits the control signal to the power supply unit 180 So that the power supply unit 180 substantially controls the turn-on and / or turn-off of the power generating unit 130 and / or the bubble generating unit 120.

Thus, various embodiments of the present invention provide streaming technology-based water quality environment maintenance apparatus 100 such as measuring water quality of a farm in real time and automatically generating micro air bubbles through data analysis. That is, the streaming technology-based water quality environment maintenance apparatus 100 according to the embodiment of the present invention senses various physical quantities such as dissolved oxygen amount, water temperature, flow direction and / or flow velocity of seawater, processes and analyzes the physical quantities, 130 and the bubble generator 120 in order to maintain the water environment of the seawater at the optimum environment at the minimum energy at all times.

Further, the streaming technology-based water quality environment maintenance apparatus 100 according to the embodiment of the present invention generates a variety of information (flow rate, direction, dissolved oxygen amount, water temperature, power generation part and bubble generation) through the LTE network 151 and the Internet network 150 (Such as turn-on / turn-off of the sub) to the server 161 and / or the user smartphone 162 so that this information is accumulated over time and stored, . In addition, the user can arbitrarily directly control the power generation unit 130 and the bubble generation unit 120 through the smartphone 162, so that the user can easily control and manage the quality of the water in a remote place.

5 is a schematic diagram illustrating power supply flow in a streaming technology-based water quality environment maintenance apparatus 100 according to various embodiments of the present invention.

5, the power supply unit 180 may supply power to a plurality of bubble generating units 120 through a plurality of connectors 181 provided at one side, and may be turned on through a connector 182 provided at the other side. / Turn off signal to the power generation unit 130 and also receive the power / electric power generated from the power generation unit 130. [ A socket 183 may be connected to the connector 182 of the power supply unit 180 and a power adapter 184 may be connected to the socket 183 to supply power to the control unit 140.

That is, a power adapter 184 is electrically connected to the power jack 146 of the controller 140 and an external battery 190 is connected to the connector 147 of the controller 140. The controller 140 controls the power adapter 146, / RTI > power supply / power is supplied from the battery 184 and / or the external battery 190.

The power source unit 180, the controller 140, the adapter 184, the external battery 190, and the like are provided in the shielding box 184, which is waterproof and can prevent corrosion by seawater salinity, .

As described above, the present invention is not limited to the above-described embodiments, but may be applied to other embodiments of the present invention. It will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

100; Streaming technology based water environment maintenance device
110; A sensor unit 111; Flow velocity and flow sensor
112; Dissolved Oxygen and Water Temperature Sensor
120; Bubble generator 130; Power generation section
140; A control unit 141; Sensor data collection and processing unit
142; A sensor data analysis unit 143; Judgment and control section
144; LTE communication module 145; Internal battery
150; An Internet network 151; LTE network
152; WIFI, 3G and / or LTE network 161; server
162; Smartphone 101; Buoyancy member
102; Frame 102; Access point
121a, 121b, 121c; Bubble generating hose
170; An input / output unit 180; Power supply
190; External battery

Claims (10)

A sensor unit for sensing dissolved oxygen amount, water temperature, flow direction and flow rate of seawater;
A bubble generator generating air bubbles in the seawater;
A power generator for supplying power to the sensor unit and the bubble generator; And
And collects, processes, and analyzes data on the amount of dissolved oxygen, water temperature, flow direction, and flow rate acquired from the sensor unit, controls the bubble generator and the power generator, and transmits the data through the LTE network and the Internet And a controller for transmitting the data to a server on the ground. The method according to claim 1,
Wherein the bubble generating unit includes a plurality of bubble generating hoses formed in parallel with each other in the seawater,
Wherein the control unit stops the operation of the bubble generating hose at which the seawater arrives latest after analyzing the intense data acquired from the sensor unit. The method according to claim 1,
Wherein the control unit analyzes the dissolved oxygen amount data acquired from the sensor unit and then turns on the power generation unit and the bubble generating unit when the dissolved oxygen amount is less than the reference value. The method according to claim 1,
The smartphone is communicably connected to the Internet through a WIFI, 3G or LTE network,
Wherein the controller transmits data on the dissolved oxygen amount, water temperature, intakes, and flow rates to the smartphone. 5. The method of claim 4,
And the turn-on and turn-off of the power generation unit and the bubble generator are directly controlled through the smartphone. 5. The method of claim 4,
Wherein the controller transmits an alarm signal to the smartphone when any one of the dissolved oxygen amount, the water temperature, the flow direction, and the flow rate data is smaller or larger than a reference value. The method according to claim 1,
And an input / output unit for inputting and outputting the data is further connected between the sensor unit and the control unit. 8. The method of claim 7,
A power unit is further connected between the bubble generator, the power generator, and the controller,
Wherein the control unit outputs a control signal to the power supply unit through the input / output unit, and the power supply unit turns on or off the bubble generator and the power generator according to the control signal. The method according to claim 1,
Wherein the controller includes an LTE wireless communication module for communication with the LTE network. The method according to claim 1,
And a battery for supplying power to the sensor unit, the bubble generator, and the controller,
Wherein the battery is charged by the power generation unit turned on by a control signal of the control unit.

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