KR20210131189A - Artificial intelligence drone system for efficient disinfectant spraying - Google Patents

Abstract

Disclosed is a drone system using artificial intelligence for efficiently spraying a disinfectant. According to the present invention, the drone system using artificial intelligence for efficiently spraying a disinfectant is a drone system for sterilization spraying to a target area and includes a disinfectant spray unit. The disinfectant spray unit includes: a plurality of sterilization material accommodation tanks in which each material is contained in a separated state; a plurality of spray nozzles connected to the plurality of sterilization material accommodation tanks to individually spray a plurality of sterilization materials accommodated in the plurality of sterilization material accommodation tanks; a plurality of supply pipes forming a supply path to supply the plurality of sterilization materials to the plurality of spray nozzles and having control valves to allow or close the supply path; and a control unit individually controlling the control valves to adjust the final spray state of the plurality of sterilization materials. According to the present invention, a plurality of sterilization materials can be sprayed by individually adjusting the sterilization materials by required amounts without mixing the sterilization materials, and necessary materials and required amounts of the plurality of sterilization materials can be adjusted and sprayed based on epidemic prevention state information. The drone system uses the information after sensing an epidemic prevention state and receiving sensed information to prevent nozzle blocking caused by mixing the sterilization materials to improve nozzle durability and prevent unnecessary excessive spraying of the sterilization materials.

Description

Artificial intelligence drone system for efficient disinfectant spraying

The present invention relates to a drone system for sterilization, and more particularly, it is possible to spray by adjusting the required amount individually without mixing a plurality of disinfectant substances, as well as sensing the quarantine status and receiving the quarantine status after receiving the sensed information It relates to a drone system for sterilization using individual nozzle control for efficient disinfectant spraying, which can automatically control and spray a required material and a required amount among a plurality of disinfectant materials based on information.

Drones were initially developed for military use, but are most often used for shooting in broadcasting due to their convenience of transport and storage and ease of operation. In addition, in recent years, many studies have been conducted on drones for disaster monitoring, logistics transport, forest fire extinguishing, or disinfectant spraying.

In the case of a drone for spraying disinfectant, a device that can spray up to 10Kg of disinfectant has been recently developed, and it is known that it can spray disinfectant over an area of up to 10 acres (about 40,000 square meters) per hour. This is a drone that can do the work that 60 people would do alone, and achieves 40 to 60 times more efficiency than the manpower. Due to such high efficiency, the demand for disinfectant spraying using drones is gradually increasing.

Mixing use of disinfectants may cause problems such as clogging of nozzles due to chemical reactions and deposits caused by spraying and mixing more than necessary functions. Therefore, there is an urgent need to develop a system capable of dispersing the required drug in an appropriate place.

Therefore, the present applicant not only can spray by adjusting the required amount individually without mixing a plurality of sterilizing substances, but also senses the state and receives the sensed information and then, based on the received state information, the necessary substances and necessary substances among the plurality of sterilizing substances We propose a system that can spray by automatically controlling the amount.

The present invention has been devised to solve the problems of the prior art, and it is possible to not only spray by adjusting the required amount individually without mixing a plurality of sterilizing substances, but also to sense the quarantine status and receive the quarantine received after receiving the sensed information. By automatically controlling and spraying the necessary substances and the required amount among a plurality of sterilizing substances based on the state information, it is possible to improve the nozzle durability by preventing the nozzle clogging caused by the mixing of sterilizing substances in advance. An object of the present invention is to provide a drone system for sterilization using individual nozzle control for efficient disinfectant spraying that can prevent excessive spraying of unnecessary disinfectant substances in advance.

In addition, the present invention can collect information using advanced technologies such as thermal imaging and spectrum sensors, analyze the collected big data, and perform quarantine status diagnosis through the use of big data, and control the spraying amount through the diagnosed quarantine situation. In addition to being able to control in real time, if necessary, the amount of disinfectant sprayed in real time using sensor-based quarantine situation big data analysis that can control the spraying amount by dividing the area into intensive spraying/interesting spraying/selective spraying by user manipulation. Another object is to provide a drone system for disinfectants that can be controlled by

According to one aspect of the present invention, there is provided a drone system for a sterilizer for spraying a sterilizing agent on a target area, comprising a sterilizing agent spraying unit for spraying a sterilizing agent, wherein the sterilizing agent spraying unit includes a plurality of sterilant materials in a state separated from each other. disinfectant material storage tank; a plurality of injection nozzles respectively connected to the plurality of sterilant substance accommodating tanks so as to separately inject the plurality of sterilant substances accommodated in the plurality of sterilant substance accommodating tanks; a plurality of supply pipes forming a supply path so that the plurality of sterilant substances are supplied to a plurality of injection nozzles, respectively, and each of which is provided with a control valve to allow or close the supply path; and a control unit capable of controlling the final injection state of a plurality of sterilizing substances by individually controlling the control valve.

A camera that records the actual quarantine status of the disinfectant spray target area; a thermal image sensor that measures the amount of moisture in the disinfectant spray target area; and a multi-spectral sensor for measuring the quarantine status of the disinfectant spray target area, wherein the control unit receives the sensing information of at least one of the camera, the thermal image sensor, and the multi-spectral sensor to control the plurality of control valves By doing so, it is possible to control the degree of flow of the disinfectant material in the plurality of supply pipes.

According to the drone system for disinfectant using individual nozzle control for efficient disinfectant spraying of the present invention described above, it is possible to not only spray by adjusting the required amount individually without mixing a plurality of disinfectant substances, but also to sense the quarantine status and sensed information Based on the quarantine status information received after receiving It is possible to improve nozzle durability and to prevent excessive spraying of unnecessary disinfectant substances in advance.

Specifically, it is possible to automatically receive the quarantine status and automatically select the necessary disinfectant materials from among a number of disinfectant materials and spray them appropriately as needed, thereby reducing the labor force of workers and improving the quarantine through a scientific approach. Not only can it be done, but it can further block the excessive spraying of unnecessary disinfectant substances.

In addition, it is possible to not only create economic effects by reducing the amount of disinfectant used by preventing disinfectant respray, but also to secure the core technology for prevention of future industries.

1 is a block diagram illustrating a drone system for quarantine using individual nozzle control for efficient disinfectant spraying according to an embodiment of the present invention.
2 is a block diagram of a drone system for a disinfectant using individual nozzle control for efficient disinfectant spraying according to an embodiment of the present invention.
3 is a view showing a drone device of a drone system for disinfectant using individual nozzle control for efficient disinfectant spraying according to an embodiment of the present invention.
4 is a view showing a structure in which a plurality of disinfectant materials are individually accommodated and then individually sprayed through nozzles in the drone system for disinfectants using individual nozzle control for efficient disinfectant spraying according to an embodiment of the present invention.
6 is a diagram schematically illustrating a sterilant storage tube and nozzle of a drone in a drone system for sterilizer using individual nozzle control for efficient sterilant spraying according to an embodiment of the present invention.
7 is a configuration diagram of a nozzle control device of a drone in a drone system for a disinfectant using individual nozzle control for efficient disinfectant spraying according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in more detail with reference to the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but will be implemented in various different forms, and only these embodiments allow the disclosure of the present invention to be complete, and the scope of the invention to those of ordinary skill in the art will be completely It is provided to inform you. In the drawings, like reference numerals refer to like elements.

The drone system for sterilizer using individual nozzle control for efficient sterilizing agent spraying (hereinafter, 'drone system') according to a preferred embodiment of the present invention is a sterilizing agent spraying and mixing more than a necessary function due to mixed spraying of various disinfectant substances. This is provided to prevent the nozzle clogging from occurring in advance. Here, the mixed spraying means mixing a plurality of sterilant substances in one tank and then spraying them through a nozzle, and the present invention does not accommodate a plurality of sterilant substances in a mixed state in a single tank. After being housed in a tank, each sterilant material is controlled through individual nozzles.

In addition, the present invention can collect information using advanced technologies such as thermal imaging and spectrum sensors, analyze the collected big data, and perform quarantine status diagnosis through the use of big data, and control the spraying amount through the diagnosed quarantine status can be controlled in real time, and when necessary, by user manipulation, by dividing the area into intensive spraying/interesting spraying/selective spraying, etc. The spraying amount can be adjusted in real time.

Hereinafter, the present invention will be described in detail.

As shown in FIG. 1, the drone system of the present invention is a disinfectant spraying drone system that sprays a disinfectant on a target area, and includes a plurality of spray nozzles for spraying a disinfectant. an image acquisition unit comprising a camera, a thermal image sensor provided in the drone to measure the moisture content of the disinfectant spray target area, and a multi-spectrum sensor provided in the drone to measure the disinfection status of the disinfectant spray target area; a memory unit for receiving and temporarily storing the sensing value of the image acquisition unit; and a flight controller for controlling flight posture, speed, and rotation; Big data that stores image information collected from the camera, thermal image sensor, and spectrum sensor repeatedly performed for a certain period of time and a certain number of times, the amount of disinfectant sprayed according to the image information, and changes in the quarantine status according to the change in the image information and the amount of disinfectant sprayed a big data-based disinfectant spraying amount providing unit comprising a database and a disinfectant spraying amount analyzing part that provides an optimized disinfectant spraying amount by repeatedly analyzing and learning the information stored in the big data database and the change in quarantine status; and a portable terminal provided to display the GIS-linked disinfectant spray target area on the screen and to control the operation of the drone and the amount of disinfectant spraying by user manipulation.

Here, the drone may receive the analysis information of the big data-based disinfectant spraying amount providing unit, and adjust and perform the disinfectant spraying operation optimized for the disinfectant spraying area in real time.

In the present invention, the drone includes: a communication unit for receiving an operation signal to be able to communicate with the portable terminal and receiving information from the big data-based disinfectant spraying amount providing unit; a spraying amount analysis unit that analyzes the information stored in the memory unit and the information of the big data-based disinfectant spraying amount providing unit to calculate and analyze the optimal disinfectant spraying amount recommended by the big data-based disinfectant spraying amount providing unit while responding to the information currently stored in the memory; And it may further include a main control unit for controlling the driving of the flight control unit by receiving the received operation signal from the communication unit, and receiving information from the spraying amount analyzer to control the amount of disinfectant spraying of the injection nozzle.

The present invention has four characteristic techniques.

First, as a drone technology that controls the amount of disinfectant spraying, the control board technology is used to control the amount of disinfectant sprayed. Specifically, it is provided to prevent in advance that the nozzle clogging phenomenon occurs due to the generation of deposits due to the spraying and mixing of more than a necessary function due to the mixed spraying of various disinfectant substances. The present invention does not accommodate a plurality of disinfectant substances in a mixed state in one tank, but in individual tanks.

After acceptance, each sterilizing agent is controlled to be sprayed through a separate nozzle.

Second, there is a drone system data analysis technology to which advanced IoT technologies such as thermal imaging and multi-spectral sensors are applied and a decision-making algorithm implementation by deriving and classifying characteristic information.

Third, as a big data-based quarantine status analysis technology, real images, thermal images and spectrum big data images are analyzed by storing information in the database through the big data-based quarantine state analysis technology FC interface and drone flight information management program. .

Fourth, through the control board of the disinfectant spray nozzle and the main control board, the autonomous flight of the drone and the disinfectant spraying through the control of the spray nozzle are in the development of a sensor information processing board and a quarantine status diagnosis board for data collection.

Hereinafter, the content related to the control of the first disinfectant spraying amount among the great features of the present invention will be described in more detail.

As shown in FIG. 4 , the drone system of the present invention is a drone system for a disinfectant that sprays a disinfectant on a target area, and includes a disinfectant spray unit for spraying the disinfectant.

Here, the sterilizing agent spraying unit is configured to separately inject a plurality of sterilant material accommodating tanks 100 in which a plurality of sterilant substances are accommodated in a state separated from each other, and a plurality of sterilant substances accommodated in the plurality of sterilant substance accommodating tanks 100 , respectively. A plurality of injection nozzles 200 respectively connected to the plurality of sterilant material accommodating tanks 100, and a supply path so that the plurality of sterilant substances are individually supplied to the plurality of injection nozzles 200, respectively, allow or allow the supply path A plurality of supply pipes 400 each provided with a control valve 300 to enable closing, and a controller (not shown) capable of individually controlling the control valve 300 to adjust the final injection state of a plurality of sterilizing substances are included. do.

Here, the sterilant material may be provided in various ways, and the sterilant material accommodating tank 100 is provided in plurality corresponding to the number of the sterilant material to be sprayed. That is, the present invention prevents various disinfectant substances from being sprayed in a mixed state after being mixed in one tank, and the nozzle clogging phenomenon occurs due to the generation of deposits due to the spraying and mixing of the drugs beyond the required function due to the mixed spraying. prevent in advance

will do

In the present invention, the control valve 300 includes a solenoid valve capable of on/off control of the opening and closing of the supply pipe 400 by external power supply, or a separate rotating plate and rotating plate for opening or closing the opening of the supply pipe. It may include a BLDC motor capable of driving rotation.

The control unit (not shown) controls the driving of the solenoid valve or BLDC motor to increase the degree of openness of the supply pipe containing the sterilant material to be sprayed, and the opening degree of the supply pipe containing the sterilant material that requires relatively little spraying. can be reduced

In addition, the drone system of the present invention includes a camera that captures the actual quarantine status of the disinfectant spray target area, a thermal image sensor that measures the moisture content of the disinfectant spray target area, and a multi-spectrum that measures the quarantine status of the disinfectant spray target area It further includes a sensor.

Then, the controller (not shown) receives the sensing information of at least one of the camera, the thermal image sensor, and the multi-spectral sensor and controls the plurality of control valves 300 to control the flow degree of the disinfectant material in the plurality of supply pipes 400 . can be adjusted

That is, the present invention can automatically receive the quarantine status and automatically select a necessary disinfectant material from among a plurality of disinfectant materials and spray it appropriately as needed, thereby reducing the labor force of workers and yielding through a scientific approach It can not only improve the air quality, but also prevent excessive spraying of unnecessary disinfectant substances.

In the present invention, as described above, the drone analyzes the quarantine status through big data collection and analyzes image information captured through thermal imaging and multi-spectral sensors in a complex manner, and then among the matching data stored in the big data server (PC). Optimal data (disinfectant spraying amount, spraying speed, etc.) is controlled in real time. That is, the spraying amount can be changed in real time by receiving the optimized spraying amount information stored in the big data server according to the change of the photographed image information.

Alternatively, the degree of spraying of the disinfectant may be controlled through the manual operation of the operator. Specifically, the operator can set the concentration area, the area of interest, and the selection area through the portable input terminal to proceed with the disinfectant spraying operation in the desired area. Based on the setting data, the drone starts spraying and receives the specific location data from the FC (Flight Control) at a specific location and receives it to the main controller through a command that the main controller can interface with the FC.

The main controller provides information to the disinfectant spray board based on the information input by the operator, and the main controller operates according to the signal. By allowing this small amount of spraying, the amount of disinfectant used can be reduced.

1 to 3 , the drone system of the present invention largely includes a drone device, a monitoring system, and a data learning and analysis system.

First, the drone device includes a drone body having a plurality of rotary blades, a sterilant container in which a sterilizing agent is stored, and a plurality of injection nozzles for spraying the sterilizing agent supplied from the sterilizing agent container. The sterilizing agent can store about 10L of sterilizing agent, and four or more spray nozzles may be provided. The nozzle spraying speed can be applied to 0.5L or more per minute, and a sensor for real-time detection of the disinfectant level is provided in the disinfectant container.

In addition, the drone device is provided with a wired/wireless communication unit for data communication, a PPM-type 2.4GHz communication unit that directly transmits the intention of the pilot to the main board, and an I2C interface for collecting data from external sensors such as ultrasonic sensors and GPS A module is provided. In addition, the drone device includes a Lipo battery for stable power supply.

In addition, the drone device includes a thermal image sensor that acquires a thermal image (moisture content) image of the spraying area, a real image camera that acquires an actual image, and a 5-band spectrum sensor that acquires an image of a crop situation.

In this way, the information acquired from each sensor and camera is temporarily stored in the memory unit. The information stored in this memory unit is analyzed and collected based on the actual quarantine results of multiple workers for a long period of time for each situation provided from the data learning and analysis system to be described later, that is, based on the information collected from each sensor described above. They are collected together and stored in the memory unit.

Specifically, the disinfectant application amount information according to various situations (sensor photographed image information) in the database PC is transmitted to the learning unit, and the analysis unit receives the disinfectant application amount information from the learning unit to appropriately optimize the disinfectant application amount corresponding to the sensor image Matching analysis is performed with the value obtained.

In this way, the image data information collected from each sensor stored in the memory unit is matched with the optimized disinfectant spraying amount information transmitted from the database PC of the data learning and analysis system to determine the disinfectant spraying amount, the disinfectant spraying angle, and the disinfectant spraying speed in the current state. to save it.

The main board transmits the thus-determined optimized information to the control board, and the control board actually controls the disinfectant spray nozzle, drone flight posture, flight speed, and rotation provided in the drone body. In addition, the main board transmits the various information, thermal image, real image, spectrum sensor image, etc. to the communication board, and the communication board transmits this information to the monitoring system so that the operator can spray disinfectant in real time at a separate control center. It is possible to observe general information about

In addition, as described above, the main board receives the setting information such as the concentrated spraying area and the interested spraying area set by the operator through the portable input terminal and adjusts the degree of disinfectant spraying when the drone is located in the air of each set area. have.

Next, the data learning and analysis system collects the results of automatic disinfection according to the automatic spraying of the disinfectant carried out as described above and the actual results for a long period of time, and then based on this, the information stored in the database is corrected and supplemented to further optimize the spraying degree of the disinfectant. will be updated, and details will be described later.

Next, the monitoring system can display the GIS-linked map content representing the disinfectant spraying area on the screen, and provides an input terminal that can input the disinfectant spraying area by dividing it into interest/attention/focused areas, and the drone's FC ( flight control) and store it in a database for deriving big data in connection with real image, thermal image, and spectrum sensor information.

Hereinafter, a multi-spectrum sensor processing technology for monitoring the quarantine status will be described.

The multi-spectral sensor acquires a wavelength range from visible to near-infrared (475 ~ 1300 nm) through a spectral lens. By combining the acquired images, it is possible to classify states indicating features for various frequencies. The video images for each band acquired from the multi-spectral sensor can be used for quarantine analysis monitoring through a combination of each other.

The image processing process may perform image regeneration, image enhancement, image classification, and image transformation. Image regeneration is a calibration process to obtain reliable information and performs image calibration. Image enhancement is a pre-processing process for classifying and extracting feature points for a region of interest. Image classification is a process for biological interpretation, and image transformation is a process of obtaining a result image including feature points through mathematical operations between images.

The image preprocessing process can be largely performed in 7 steps, and a calibration process of acquiring a 5-band spectrum image and removing a background region from the obtained image is performed. Separate images for each band, perform boundary value image processing, and perform segmentation and filtering on elements. Obtain the desired biochemical image (NDVI. NDRE) through operation between band images.

Although the present invention has been described with reference to the accompanying drawings and the above-described preferred embodiments, the present invention is not limited thereto, and is defined by the following claims. Accordingly, those of ordinary skill in the art can variously change and modify the present invention within the scope without departing from the spirit of the claims to be described later.

Claims (1)

A sterilant drone system including a sterilant spraying unit that sprays a sterilant on a target area and sprays a sterilizer, wherein the sterilant spray unit includes a plurality of sterilant receiving tanks in which a plurality of sterilant materials are accommodated in a state separated from each other
A plurality of injection nozzles respectively connected to a plurality of sterilant accommodating tanks so as to individually inject a plurality of sterilizing agents accommodated in the plurality of sterilant accommodating tanks.
A supply path is formed so that the plurality of sterilizing agents are individually supplied to a plurality of injection nozzles, and a plurality of supply pipes each having a control valve provided to allow or close the supply path and the control valve are individually controlled to allow a plurality of sterilizers to be individually supplied. A drone system for sterilization using individual nozzle control for efficient disinfectant spraying, including a control unit that can control the final spraying state of

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