KR20200032999A - Unmanned aerial vehicles adopting protection functions - Google Patents

Abstract

The present invention relates to an unmanned aerial vehicle with a protective function, and more specifically, to an unmanned aerial vehicle, which adds waterproof and shockproof functions with respect to a module box in which main components are embedded so as to prevent the main components in the unmanned aerial vehicle from being damaged when a sudden accident occurs so that the unmanned aerial vehicle falls while the unmanned aerial vehicle is driven or the unmanned aerial vehicle falls into water or receives strong external shocks due to ground conditions of a landing site during landing.

Description

Unmanned Air Vehicle with Protection Function {UNMANNED AERIAL VEHICLES ADOPTING PROTECTION FUNCTIONS}

The present invention relates to an unmanned aerial vehicle to which a protection function is applied, and more specifically, an unmanned aerial vehicle falls into water or is strong outside due to ground accidents at a landing site during a landing or a sudden accident while driving the unmanned aerial vehicle. It relates to an unmanned air vehicle that adds a waterproof and shock-proof function to a module box containing a main part so that the main parts inside the unmanned air vehicle are not damaged in case of an impact.

An unmanned aerial vehicle, commonly referred to as a drone, is an aircraft that can be controlled by radio waves through remote control or automatic control without a pilot on board, and is equipped with various electronic devices such as cameras, sensors, ultrasonic equipment, and communication systems. have.

The unmanned aerial vehicle was initially manufactured and used for military use, but recently it has been widely used for a variety of purposes such as aerial photography, product delivery, pesticide spraying, air quality measurement, forest fire monitoring and evolution, communication, disaster environment response, research and development, This is an era in which individuals can purchase casually.

However, as the utilization of unmanned aerial vehicles becomes more and more widespread, unmanned aerial vehicles are exposed to various environments or accidents, and in particular, due to sudden accidents in the course of flight, they fall into water or strongly impact on asphalt, etc., and collide with various structures. Occasional cases are also occurring.

Accordingly, if an unmanned aerial vehicle is completely repaired whenever an accident occurs, it will be costly and time consuming.

Therefore, in the present invention, a module box equipped with a waterproof and shock-absorbing function to withstand core parts such as a flight control unit, an electronic transmission, and a radio receiver that is expensive to repair or takes a lot of time to repair from strong impact from water or outside. It is intended to propose a method to extend the lifespan of an unmanned aerial vehicle and reduce the time and cost required for maintenance by being built in.

Next, the prior art existing in the technical field of the present invention will be briefly described, and then the technical matters to be differentiated from the above prior art will be described.

First, Korean Patent Publication No. 2015-0071694 (2015.06.26.) Relates to an underwater search method using a drone, and uses a waterproof drone capable of taking off, landing, and moving on the surface to find drowners or drowned objects. Includes a control unit that controls the height of the camera and light by mounting the camera and light at the bottom of the drone, moving the drone in the desired direction using a screw and directional keys that can land and move from the surface of the water. After descending to the depth to be photographed, the camera image is sent to the ground monitor in real time to find drowners or objects below the surface from the ground, or to find oily, green algae, jellyfish sharks and the like.

However, the present invention is required to extend the life and maintenance of the unmanned air vehicle by providing a waterproof and crash-absorbing function in a module box in which a core component that takes a lot of repair cost or repair time is equipped with a waterproof and crash-absorbing function. Since it provides a technical configuration that can save time and money, it is possible to quickly and safely find dangerous underwater animals such as drowning and drowning objects as well as jellyfish sharks by landing on the water surface using the waterproof drone of the prior art. Differences in technical characteristics are evident when compared to existing technical configurations.

In addition, Korean Registered Patent No. 1710613 (2017.02.27.) Relates to a real-time wave-flow observing method and apparatus using an underwater drone equipped with a hydrofoil, equipped with a blue sensor or a blue flowmeter, and a buoyant buoy method with a hydrofoil Using the waterproof drones of the coast in real time, that is, marine disasters such as blue waves, typhoons, tsunamis and meteorological tsunamis. It is characterized by observing the intensity and direction, blue, flow velocity, surface water temperature, depth information, etc., and processing the data and transmitting it in real time to a control station or observatory on the ground.

However, the technical configuration of the present invention to reduce the time and cost of extending and maintaining the life of the unmanned aerial vehicle by providing a waterproof and crash-absorbing function in a module box in which a core component that takes a lot of cost and time to repair is built-in. It is different from the technical configuration of the prior art in which a water-driving buoy of a silver buoy with a hydrofoil is rapidly sent to a specific area immediately before a disaster occurs to acquire marine information in real time and transmit it to a control station or station on the ground.

In other words, the above prior arts suggest a configuration for landing a drone on the surface of the water to quickly and safely find drowners, drowned objects and aquatic animals, and obtain a marine information through a drifting buoy type waterproof drone equipped with a hydrofoil. For the configuration to reduce the maintenance time and cost, as well as to extend the life of the unmanned air vehicle, equipped with a waterproof and crash-absorbing function in a module box in which a core part that takes a lot of repair cost or repair time, which is a technical feature of the present invention, is built in. The technical difference is obvious because there is no specific description.

The present invention was created to solve the above problems, so that the main part of the unmanned air vehicle does not seep into the module box in which the main part of the unmanned air vehicle is built-in when it falls due to an accident while performing control or flying on the water. An object of the present invention is to provide an unmanned aerial vehicle to which protection functions are applied.

In addition, the present invention provides an unmanned aerial vehicle with a protection function that prevents the main parts of the unmanned aerial vehicle from being damaged from an external shock when a strong external shock occurs due to the balance of the ground during the landing process or when the unmanned aerial vehicle crashes. Do it for a different purpose.

In addition, the present invention, when spraying pesticides using an unmanned air vehicle, through the waterproof function of the module box with the main parts built in, to prevent the drug from entering the module box, as well as to facilitate gas cleaning Another object is to provide an unmanned aerial vehicle to which protection functions are applied.

An unmanned aerial vehicle to which a protection function according to an embodiment of the present invention is applied is a driverless vehicle equipped with an electronic component including a flight control unit and an electronic transmission for operating an unmanned aerial vehicle, as an unmanned aerial vehicle installed in a housing, wherein the electronic vehicle in an interior space The body is provided with a component, at least one through hole is formed on the side, a cover covering the upper portion of the body, a sealing between the body and the cover to prevent water from entering the internal space of the body, the O-ring for waterproofing, and the It is characterized in that it comprises a waterproof stopper that is tightly inserted into the through hole formed in the body to prevent water from entering the internal space of the body.

In addition, the body is formed of any one of metal, plastic, and rubber, and is characterized in that it can absorb the shock applied to the electronic component when an impact is applied from the outside.

In addition, the through-hole is characterized in that a cable for electrical connection between each electronic component provided in the inner space of the body and the driving means of the unmanned vehicle is inserted.

In addition, the waterproof stopper is characterized in that a hole is formed in the central portion, and a cable is inserted into the hole.

In addition, the waterproof stopper is formed of a rubber material, and is characterized in that it prevents water from penetrating by increasing the adhesion with the cable inserted into the hole formed in the central portion.

In addition, the unmanned aerial vehicle to which the protection function is applied is compared with a sensing sensor detecting an external shock of the unmanned aerial vehicle, external shock detection data detected by the detection sensor, and preset reference data, and the external shock detection data is the result of the comparison. When it exceeds the reference data, the airbag driving unit for driving the airbag device, and at least one provided on the side of the body, the airbag driving unit based on the control of the airbag driving unit further comprising an inflated airbag device It is characterized by.

In addition, the airbag device is characterized in that, when the unmanned aerial vehicle is drowned in water, buoyancy can be obtained by a gas filled in the unmanned aerial vehicle.

According to the unmanned aerial vehicle to which the protection function of the present invention is applied as described above, when an unmanned aerial vehicle performs control or falls on an accident while flying on the water, a module having components such as a flight control unit, an electronic transmission, and a radio receiver is embedded. By preventing water from penetrating into the box, it is possible to protect main parts of an unmanned air vehicle, as well as reduce repair cost and repair time.

In addition, when spraying pesticides through an unmanned air vehicle, by preventing the drug from permeating therein, it is possible to prevent failure of the main parts, and there is an effect of easily performing washing of the unmanned air vehicle.

In addition, according to the present invention, even if a strong external shock occurs in the course of a crash or landing of an unmanned air vehicle, the shock is not applied to the module box including parts such as a flight control unit, an electronic transmission, and a radio receiver, so that unattended unattended due to external shock It has the effect of preventing damage to the main parts of the aircraft.

1 is a combined perspective view of a module box of an unmanned aerial vehicle to which a protection function is applied according to an embodiment of the present invention.
2 is a view showing an example of the actual coupling of the module box of FIG. 1.
3 is a view showing a combined state of the module box of Figure 1 above.
4 is a view showing a state in which the module box of Figure 1 is coupled to the housing.
5 is a view for explaining the operation of the airbag system further provided in the module box of FIG. 1.
6 is a flow chart for explaining in more detail the driving process of the airbag system of FIG. 5.
7 is a flowchart illustrating in detail a process of combining a module box of an unmanned aerial vehicle to which a protection function is applied according to an embodiment of the present invention.
8 is a view for sequentially explaining the assembly process of the module box applied to the present invention.

Hereinafter, exemplary embodiments of an unmanned aerial vehicle to which the protection function of the present invention is applied will be described in detail with reference to the accompanying drawings. The same reference numerals in each drawing denote the same members. In addition, specific structural or functional descriptions of the embodiments of the present invention are exemplified for the purpose of describing the embodiments according to the present invention, and unless defined otherwise, all terms used herein, including technical or scientific terms. These have the same meaning as those generally understood by those of ordinary skill in the art. Terms, such as those defined in a commonly used dictionary, should be interpreted as having meanings consistent with meanings in the context of related technologies, and should not be interpreted as ideal or excessively formal meanings unless explicitly defined herein. It is desirable not to.

1 is a combined perspective view of a module box of an unmanned air vehicle to which a protection function is applied according to an embodiment of the present invention, FIG. 2 is a view showing an actual coupling example of the module box of FIG. 1, and FIG. 3 is a view of FIG. 1. It is a view showing a combined state of the module box, and FIG. 4 is a view showing a state in which the module box of FIG. 1 is coupled to the housing.

1 to 4, the unmanned aerial vehicle to which the protection function of the present invention is applied is a fixed installation of the module box 100 to which the waterproof function and the shock prevention function are added in the central housing 200, the unmanned vehicle This is to ensure that various electronic components provided in the unmanned aerial vehicle are wet with water or are less damaged from strong external impacts when a vehicle crashes or crashes into an asphalt or the like due to a sudden accident while the vehicle is running.

Most of the unmanned aerial vehicles currently in operation are appropriately disposed with various electronic components for flight open in the center of the unmanned aerial vehicle, or appropriately disposed in a predetermined space inside the unmanned aerial vehicle.

Accordingly, there is a high possibility of falling into the water due to a sudden accident in the course of driving the unmanned aerial vehicle, or strongly colliding with the ground or various structures such as asphalt, and when falling into the water or a strong external impact occurs, the unmanned aerial vehicle The various electronic parts provided in the product were broken and it took a lot of time and money to repair.

The unmanned aerial vehicle to which the protection function of the present invention proposed to solve such a conventional problem is applied, prepares a module box 100 equipped with a waterproof function and a shock absorption function to withstand strong impact from water or outside, and the module Inside the box 100, core electronic components such as a flight control unit, an electronic transmission, a radio receiver, etc., which are costly and time-consuming to repair when wet or damaged by an impact, are built in. That is, the core electronic components are embedded inside the module box 100 formed so as not to infiltrate water to prevent the core electronic components from getting wet, and the module box 100 itself absorbs external shocks caused by water or ground. It is possible.

In addition, the unmanned air vehicle to which the protection function of the present invention is applied comprises a sensing sensor 300, an airbag driving unit 400, an airbag device 500, and the like, as shown in FIG. When the impact caused by the air can be configured to pop out of the module box 100 outside. It is to provide the module box 100 with a system similar to protecting the driver and passengers when the airbag is blown when an external impact exceeds a predetermined standard, such as an airbag system installed in a vehicle.

Accordingly, the present invention primarily prevents water from penetrating into the module box 100 itself, absorbs external shocks caused by water or ground, as well as secondary shock absorption and water through the airbag structure. By providing buoyancy when it falls out, it is possible to suppress as much as possible the damage of various electronic components embedded in the module box 100.

On the other hand, the unmanned aerial vehicle to which the above protection function is applied is not shown in the drawing, but a storage unit storing various operation programs for the operation of the unmanned aerial vehicle, an arm supporting the wing of the unmanned aerial vehicle, and a leg portion supporting an unmanned aerial vehicle are added. It is revealed that the unmanned air vehicle may further include a storage box containing pesticides or fertilizers, a pesticide and fertilizer spraying device for spraying pesticides or fertilizers stored in the storage box, and the like. Put it.

In addition, the unmanned aerial vehicle may be folded and stored in a structure including a wing when the operation is not performed, and may be extended and operated when the operation is performed.

Referring again to FIGS. 1 to 4, the module box 100 is a flight control unit for operating an unmanned air vehicle embedded therein when it crashes strongly on the ground, when it is in control, or when it crashes while flying on water. It is implemented to protect core electronic components, including electronic transmissions. In addition, when using the unmanned aerial vehicle for agricultural use, the module box 100 prevents a microscopic form of the agent from penetrating into the inside when spraying the pesticide, thereby preventing the failure of the electronic component due to the agent.

To this end, the module box 100 includes a body 110, a cover 120, a waterproof O-ring 130, a waterproof stopper 140, an electronic component 150, and the like.

The body 110 is formed in an open shape with an upper portion of a square shape, and a core electronic component 150 including a flight control unit and an electronic transmission is installed in the interior space.

In this case, the body 110 will be described as an example implemented in a square shape, but is not limited thereto, and of course, it may be formed in various shapes such as a circle or a polygon.

In addition, the body 110 can be manufactured using any material currently in use, such as metal, plastic, rubber, etc., and when the unmanned vehicle collides with water or the ground and receives an impact from the outside, it absorbs a part of the impact by itself. It is possible to partially reduce the impact applied to various electronic components 150 built in.

In addition, at least one through hole 111 is formed on a side surface of the body 110.

As shown in FIG. 2, the through hole 111 is inserted with a cable for electrical connection between each electronic component 150 provided in the inner space of the body 110 and the driving means of the unmanned vehicle. That is, the through hole 111 is a space in which a cable is inserted for electrical connection with a wing, a sensor, etc., which are components for driving control of speed, direction, and altitude of the unmanned vehicle. At this time, since the waterproof stopper 140 is inserted into each of the through holes 111, water does not penetrate into the internal space of the body 110 through the through holes 111.

The cover 120 is a structure that covers the open top of the body 110, and is generally formed of a material such as metal, plastic, rubber, etc., like the body 110.

The waterproof O-ring 130 performs a function of sealing between the body 110 and the cover 120 to prevent water from entering the internal space of the body. That is, the waterproof O-ring 130 is provided between the upper outer periphery of the body 110 and the lower portion of the cover 120 when the cover 120 is coupled to the body 110 of the body 110 It is to seal the interior space.

At this time, the waterproof O-ring 130 is preferably formed of a rubber material, but may be formed of a material such as metal or plastic according to the use environment.

The waterproof stopper 140 is inserted in close contact with the through hole 111 formed in the body 110 to perform a function of preventing water from entering the interior space of the body 110.

At this time, at least one hole 141 is formed in the central portion of the waterproof stopper 140, a cable is inserted into the hole 141, and various electronic components 150 and the exterior built in the body 110 are external. The electrical connection between the driving devices of

In particular, the waterproof stopper 140 is formed of a rubber material, and increases adhesion to the cable inserted into the hole 141 formed in the central portion to prevent water from permeating.

Meanwhile, the module box 100 formed as described above is fixedly installed in a space between the upper plate 210 and the lower plate 220 of the housing 200 as shown in FIG. 4.

Next, with reference to FIGS. 5 and 6, operation of the airbag system additionally applied to the module box 100 of the present invention will be described in more detail.

FIG. 5 is a view for explaining the operation of the airbag system additionally provided in the module box 100 of FIG. 1, and FIG. 6 is a flowchart for explaining the driving process of the airbag system of FIG. 5 in more detail.

As shown in FIG. 5, the airbag system further provided in the module box 100 includes a detection sensor 300, an airbag driving unit 400, an airbag device 500, and the like.

The detection sensor 300 is installed outside the unmanned aerial vehicle, detects an external shock applied to the unmanned aerial vehicle, and transmits the sensed external shock detection data to the airbag driver 400 electrically connected.

In other words, the unmanned aerial vehicle detects an external shock that occurs while falling on the water surface or the ground due to an accident during flight, or an external shock applied to a leg, wing, arm, etc. due to uneven ground.

At this time, the detection sensor 300 and the airbag driver 400 may transmit and receive external shock detection data by wire or wirelessly.

The airbag driving unit 400 is a control device provided inside the body 110 or a control device provided integrally with the airbag device 500.

In addition, the airbag driving unit 400 compares external shock detection data sensed by the detection sensor 300 with reference data previously stored in a storage unit (not shown), and as a result of the comparison, the external shock detection data is the reference data. If it exceeds, the airbag device 500 is driven.

The airbag device 500 is provided at least one on the side of the body 110 of the module box 100, is driven based on the control of the airbag driving unit 400 and inflated through the gas supplied therein, the It is possible to prevent damage to various electronic components embedded in the body 110 due to an external shock applied to the unmanned aerial vehicle. At this time, the airbag device 500 may be installed in the inner space of the body 110 in consideration of the size when it is driven, if there is a free space inside, in addition to the outside of the module box 100.

In addition, when the unmanned aerial vehicle is drowned in water, the airbag apparatus 500 can obtain buoyancy by a gas filled in the unmanned aerial vehicle.

Accordingly, based on the additional configuration of the airbag system, various electronic components built into the module box 100 are protected from external strong impacts even if the unmanned aerial vehicle crashes or falls into a river or a lake due to a sudden accident due to a sudden accident. It is less susceptible to damage, and even if it falls into water, it can be prevented from sinking by buoyancy.

Meanwhile, referring to FIG. 6, the driving process of the airbag system will be described in more detail. The sensing sensor 300 detects an external impact due to ground or sleep collision (S110), and detects external shock detection data from the airbag driving unit ( 400).

Then, the airbag driving unit 400 determines whether external shock detection data is input from the detection sensor 300 (S120), and when external shock detection data is input from the detection sensor 300, the airbag driving unit 400 Checks the pre-stored reference data in the storage unit and compares it with the external shock detection data (S130).

As a result of the comparison of step S130, the airbag driver 400 determines whether external shock detection data provided from the detection sensor 300 exceeds predetermined reference data (S140).

When the external shock detection data provided from the detection sensor 300 exceeds the reference data as a result of the determination in step S140, the airbag driving unit 400 drives the airbag device 500 (S150).

That is, the airbag device 500 supplies gas to the inside through the control of the airbag driving unit 400 to inflate it, and various electronic parts embedded in the body 110 by an external shock applied to the unmanned vehicle This is to prevent some of them from being damaged.

Next, an embodiment of the module box combining process of the unmanned aerial vehicle to which the protection function according to the present invention configured as described above is applied will be described in detail with reference to FIGS. 7 and 8. At this time, each step according to the wing folding process of the present invention can be changed in order by the use environment or those skilled in the art.

7 is a flowchart illustrating in detail a process of assembling a module box of an unmanned aerial vehicle to which a protection function is applied according to an embodiment of the present invention, and FIG. 8 is a view for sequentially explaining an assembly process of a module box applied to the present invention .

First, a user (for example, a business operator manufacturing an unmanned aerial vehicle) places core electronic components such as a flight control unit, an electronic transmission, and a radio wave receiver in an interior space of the body 110 of the module box 100 with an open top. (S210).

That is, as shown in (a) of FIG. 8, an important electronic component required for the operation of the unmanned air vehicle is provided in the inner space of the body 110 of the module box 100.

After placing each electronic component in the body 110 of the module box 100 through the step S210, the user can connect each electronic component with a cable for electrical connection between driving means of an unmanned vehicle such as a wing or a sensor. Connect (S220). (See Fig. 2)

At this time, the cable is inserted into the hole 141 formed in the central portion of the waterproof stopper 140, and through the through hole 111 formed on the side surface of the body 110, each electronic component and the driving means of the unmanned air vehicle are mutually mutually connected. Connect.

In addition, the user inserts a waterproof plug 140 into the through hole 111 formed on the side of the body 110 through which the cable passes (S230), and the O-ring for waterproofing between the body 110 and the cover 120. Install the waterproof O-ring 130 above the body 110 or below the cover 120 so that the 130 is located (S240), and then the cover 120 is coupled to the top of the body 110 By assembling the module box 110 (S250).

That is, by assembling the module box 100 by installing the waterproof O-ring 130 and the waterproof stopper 140 as shown in (b) and (c) of FIG. 8, the body of the module box 100 ( 110) It provides a waterproof function to prevent water from penetrating into the interior space.

At this time, the module box 100 itself can primarily prevent water from seeping inside, and it is also possible to absorb a certain amount of external impact due to collision with the water surface and the ground.

As such, when the assembly of the module box 100 is completed, the user combines the module box 100 between the upper plate 210 and the lower plate 220 of the housing 200 to complete the installation (S260).

Meanwhile, at least one airbag device 500 is installed on the outside of the body 110 of the module box 100, and when the unmanned air vehicle generates an impact due to water or ground, an airbag is external to the module box 100. By popping, it is possible to additionally provide a secondary protection function so as not to damage various electronic components embedded inside the body 110 of the module box 100 by an external impact.

That is, when the external shock detection data provided from the detection sensor 300 in the airbag driving unit 400 electrically connected to the airbag device 500 exceeds the preset reference data, the airbag device 500 is controlled to drive the vehicle. It is to be able to protect the module box 100 similar to the airbag system installed in the. In addition, when the air bag bursts, even if the unmanned aerial vehicle falls into the water, it can float on the water by buoyancy by the air bag.

As described above, the present invention protects the main parts of the unmanned aerial vehicle because the main parts are prevented from entering the module box in which the main parts are embedded when the unmanned aerial vehicle crashes or falls on an accident while flying on the water. It can reduce repair cost and repair time.

In addition, the present invention prevents the occurrence of malfunction of the main parts by preventing the drug from permeating the pesticide when spraying the pesticide through the unmanned air vehicle, and can easily perform the washing of the unmanned air vehicle.

In addition, in the present invention, even if a strong external impact occurs in the course of a crash or landing of the unmanned aerial vehicle, it is possible to prevent damage to the component of the unmanned aerial vehicle due to an external impact because the main box is not subjected to an impact.

As described above, the present invention has been described with reference to the embodiment shown in the drawings, but this is only exemplary, and those skilled in the art to which the art pertains have various modifications and other equivalent embodiments You will understand that it is possible. Therefore, the technical protection scope of the present invention should be determined by the claims below.

100: module box 110: body
111: through hole 120: cover
130: waterproof O-ring 140: waterproof stopper
141: hole 150: electronic components
200: housing 210: top
220: lower plate 300: detection sensor
400: airbag driving unit 500: airbag device

Claims (7)

As an unmanned aerial vehicle in which a module box containing electronic components including a flight control unit and an electronic transmission for operating an unmanned aerial vehicle is installed in a housing,
A body in which the electronic component is provided in the interior space, and at least one through hole is formed on a side surface;
A cover covering the upper portion of the body;
A waterproof O-ring that seals between the body and the cover to prevent water from entering the interior space of the body; And
An unmanned air vehicle to which a protection function is applied, including; a waterproof stopper inserted close to the through hole formed in the body to prevent water from entering the internal space of the body. The method according to claim 1,
The body,
It is formed of any one of metal, plastic, and rubber.
An unmanned air vehicle with a protection function characterized in that it can absorb the shock applied to the electronic component when an external shock is applied. The method according to claim 1,
The through hole,
An unmanned aerial vehicle to which a protection function is applied, characterized in that a cable for electrical connection between each electronic component provided in the inner space of the body and the driving means of the unmanned aerial vehicle is inserted. The method according to claim 1,
The waterproof stopper,
A hole is formed in the central part,
An unmanned aerial vehicle to which a protection function is applied, characterized in that a cable is inserted into the hole. The method according to claim 4,
The waterproof stopper,
It is formed of a rubber material, and the unmanned air vehicle to which a protection function is applied is characterized in that it prevents water from penetrating by increasing adhesion to the cable inserted into the hole formed in the central portion. The method according to claim 1,
The unmanned aerial vehicle to which the protection function is applied is
A sensing sensor for sensing an external impact of the unmanned aerial vehicle;
An airbag driver for comparing external shock detection data sensed by the detection sensor with preset reference data, and driving the airbag device when the external shock detection data exceeds the reference data as a result of the comparison; And
At least one is provided on the side of the body, the airbag device is driven based on the control of the airbag driving unit and inflated through a gas supplied therein; an unmanned air vehicle applying a protection function further comprising a. The method according to claim 6,
The airbag device,
When the unmanned aerial vehicle is drowned in water, the unmanned aerial vehicle to which a protection function is applied is characterized in that the unmanned aerial vehicle can obtain buoyancy by a gas filled therein.

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