KR20170086194A - Fall warning device and uav having the same - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fall warning device and a unmanned airplane equipped with the fall warning device. More particularly, the present invention relates to a fall warning device which warns danger information around a point where a unmanned airplane crashes, .
The fall warning device according to the present invention and the fall warning device of the UAV are provided with a sensor for detecting a fall situation, a speaker for warning an alarm sound or danger information as a national language, various alarm sounds, A flash unit for blinking a warning light using a light source such as an LED and a database for storing emergency information and local information, a communication unit for transmitting the position information and the status of the UAV when the vehicle is falling, And a control unit for controlling the display unit.
According to this, when the unmanned airplane crashes, the warning device warns of danger information in a falling alarm or a language of a nationality, and flashes a warning light by using a light source such as an LED to inform an emergency situation, And can transmit the fall location to the emergency communication network such as the user 112 and 119, so that the user can quickly cope with the situation.

Description

FIELD OF THE INVENTION [0001] The present invention relates to a fall warning device,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fall warning device and a unmanned airplane equipped with the fall warning device. More particularly, the present invention relates to a fall warning device which warns danger information around a point where a unmanned airplane crashes, .

Unmanned aerial vehicles were originally developed for military use. However, in recent years, the use of unmanned aerial vehicles has expanded to the private sector for a variety of reasons including simplicity, economy, and promptness. Accordingly, various types of unmanned aerial vehicles have been developed and launched, and can perform specific tasks in various fields such as terrain exploration, lifesaving, surveillance, cargo transportation, and aerial photographing.

 Such an unmanned aerial vehicle has many advantages, but the pilots fly by remote control without using a direct boarding vehicle or by using the automatic control. Therefore, unexpected accidents such as immaturity of the driving operation of the user, deterioration of the weather condition, The control of the unmanned airplane fails, and there is a high possibility that the unmanned airplane will fall. For this reason, when an unmanned airplane crashes, there is a serious risk of damaging a person's life beyond the economic damages such as damage to an unmanned airplane, ground objects, and the like.

 Recently, unmanned airplanes have been used for aerial photography. Especially, events such as festivals where many people gather are unexpected situations. If you can not cope with it before the crash, serious consequences such as injuries or death ≪ / RTI >

 Accordingly, in order to evacuate the ground safely in case of an accident caused by an unexpected accident when working with an unmanned airplane, it is necessary to develop a fall warning device capable of warning in case of a fall, .

Conventionally, there is a problem in that a method of protecting the equipment of the UAV or UAV is used when the UAV falls, and there is a problem that it is not proper to prepare for the damage on the ground and to cope quickly.

 SUMMARY OF THE INVENTION The present invention has been proposed in order to solve the above-mentioned problems, and it is an object of the present invention to provide an apparatus for notifying an accident of an unmanned airplane in advance in case of a fall.

In order to achieve the above object, there is provided a fall warning device for warning a danger information around a point to fall when an unmanned airplane crashes, and an unmanned airplane equipped with the fall warning device, A flasher for flashing a warning light using a light source such as an LED or the like, a database for storing various alarm sounds, language for each nationality, local information, emergency communication network, A communication unit for transmitting the position information and the situation of the UAV during the fall, and a controller for determining the status of each unit and controlling each unit.

 The sensing unit may include at least one or a combination of at least one of a satellite navigation device, an acceleration sensor, a gyro sensor, a direction sensor, an optical sensor, an acoustic sensor, and the like.

 The communication unit receives an instruction from the control unit and uses the wireless network such as SMS (Short Message Service), MMS (Multimedia Messaging Service), and RF (Radio Frequency) And the location information and the fall situation are transmitted when the unmanned aerial vehicle falls.

 The database includes country-specific information according to latitude and longitude, a warning voice for a language in each country, a basic warning sound, a contact point of a manager designated by the user, and an emergency communication network such as 112 and 119.

 Wherein the control unit transmits a situation to the communication unit when the fall of the UAV is detected through the sensing unit, outputs a voice warning or a basic alarm to the speaker according to information set by the user, Is blinked.

 When the altitude measured by the sensing unit is close to the ground in a fall situation of the UAV, the control unit blinks the warning light through the blinking unit and outputs only the basic alarm sound to the speaker regardless of the user's setting .

 The blinker continuously displays a crash point when the detector detects a fall of the UAV and the UAV is located at a point where the UAV falls.

The fall warning device and the unmanned airplane equipped with the fall warning device according to the present invention judge the fall of the UAV by itself, and alert the warning information or the danger information in the language of the nationality in the falling alarm device, The warning light is blinked to inform the emergency situation so that an effective warning guidance can be performed to prevent damage on the ground.

 In addition, the fall warning device and the unmanned airplane equipped with the fall warning device according to the present invention can transmit the fall position to the emergency communication network such as the user 112 and 119 at the time of a fall, so that the fall alert device can quickly cope.

1 is a perspective view of a fall warning device and an unmanned aerial vehicle equipped with the fall warning device according to an embodiment of the present invention.
2 is a block diagram of a fall warning device according to an embodiment of the present invention.
3 is a flowchart of a fall warning device and a method of operating an unmanned air vehicle equipped with the fall warning device according to an embodiment of the present invention.
4 is a view for explaining a crash warning device according to an embodiment of the present invention and a point at which a blinking part of a UAV with it is displayed.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. Accordingly, the present invention is not limited to the embodiments described herein, but may be embodied in various forms. In addition, the shape and size of each component shown in the drawings are arbitrarily shown for convenience of description, and the present invention is not necessarily limited to the illustrated shape and size. Further, in order to clearly explain the present invention, a detailed description of parts not related to the present invention will be omitted, and the same reference numerals denote the same components throughout the specification.

FIG. 1 is a perspective view of a fall warning device according to an embodiment of the present invention, and FIG. 2 is a block diagram of a fall warning device according to an embodiment of the present invention. FIG. FIG. 4 is a view for explaining a fall warning device according to an embodiment of the present invention and a point at which a flashing part of a blind spot of an unmanned airplane equipped with the fall warning device is displayed; and FIG. to be.

 Referring to FIGS. 1 and 2, a fall warning device and a UAV provided thereon according to an embodiment of the present invention warns around a crash point when an unmanned airplane 100 falls due to an unexpected accident when flying The falling alarm device 200 may include a sensing unit 210, a database 220, a communication unit 230, a speaker 240, a blinking unit 250, and a control unit 260.

 Hereinafter, a method of operating the fall alarm device 200 when the UAV 100 falls will be described with reference to FIG. 3 and FIGS.

 The sensing unit 210 senses the fall of the UAV 100 (SP2). The means for sensing may include at least one or more of a satellite navigation device 211, an acceleration sensor 212, an impact sensor 217, and the like. When the altitude measured by the satellite navigation device 211 falls sharply below the designated value, it is determined that the UAV 100 is in a falling state. Also, if the acceleration measured by the acceleration sensor 212 continues to be gravity acceleration in the direction of gravity, it is determined that the UAV 100 is in a falling state. In addition, the impact sensor 217 senses an impact with an object during the flight of the UAV 100, and determines a state in which the UAV 100 is falling. The gyro sensor 213, the direction sensor 214, the optical sensor 215, the sound sensor 216, and the like may be further included.

 The database 220 stores a warning sound for warning, user setting, and basic information. The database 220 includes various basic alarm sounds, country-specific information according to latitude and longitude, alarm sounds for national languages, warning flashing patterns of the flashing unit 250, and national emergency communication networks such as 112 and 119 . The warning sound database 220 may be configured as a storage device capable of inputting and outputting data such as a memory card, a hard disk drive, a solid state drive (SSD), and a flash memory, And is mounted inside the UAV 100.

 The speaker 240 is a " danger zone " made up of a basic alarm sound and national voice stored in the database 220 according to a command from the controller 260 when the UAV 100 falls. (SP4) to the standby mode. The speaker 240 may be located at the periphery of the UAV 100 or at the upper or lower portion of the driving unit where the rotor is located.

 The blinking unit 250 blinks according to a flashing pattern stored in the database 220 according to a command from the control unit 260 when the UAV 100 falls down (SP4). At this time, the blinking unit 250 may blink using various light sources such as an LED, an incandescent lamp, a three-wavelength bulb, and the like. By blinking in various blink patterns, it is possible to warn a dangerous situation around the fall of the UAV 100 or display a fall position. The blinking part 250 may be located at the periphery of the UAV 100 or at the upper or lower part of the driving part with the rotor.

 The communication unit 230 may communicate with the manager 220 stored in the database 220 and the emergency contact information of each country or region such as 112 or 119 using the wireless network in accordance with a command of the control unit 260 when the UAV 100 falls. (SP3), the location information and the falling state of the UAV 100 can be transmitted by using SMS (Short Message Service), MMS (Multimedia Messaging Service), RF (Radio Frequency) At this time, if equipment such as a camera is mounted on the UAV 100, it can be transmitted including a photograph of the vicinity of the crash.

 The control unit 260 controls the respective units and when a fall of the unmanned airplane is detected through the sensing unit 210 as described above (SP2), the manager of the unmanned airplane 100, 112 and 119 (SP3), flashes in a warning light pattern displayed on the blinking section 250 according to the setting of the user, and a warning sound or a warning sound is output through the speaker 240 in the form of a basic alarm sound or voice, (SP4). When the alarm sound is output by voice, the country language can be automatically selected according to the latitude and longitude detected by the satellite navigation device 211. If the altitude at which the UAV 100 falls is close to the ground level, the control unit 260 can emit only the emergency alarm sound (SP6).

 4, when a fall of the UAV 100 is detected by the sensing unit 210 and one direction of the blinker 250 is located at a point 300 where the UAV 100 falls (SP7 ) The blinker 250 can continuously display the crash point 300 (SP8).

 The above description is merely illustrative of the technical idea of the present invention, and the embodiments according to the concept of the present invention can be implemented in various forms. It will be understood by those skilled in the art that various changes and modifications may be made without departing from the scope of the present invention. Therefore, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

100: Unmanned aircraft
200: Fall alarm system
210: sensing unit 211: satellite navigation device
212: Acceleration sensor 213: Gyro sensor
214: direction sensor 215: light sensor
216: acoustic wave sensor 217: shock sensor
220: Database 230:
240: speaker 250: flashing part
260:
300: Falling point

Claims (7)

A fall warning device (200) for warping dangerous information around a point to be dropped when the unmanned airplane (100) is falling and capable of evacuating, and an unmanned airplane (100)
The fall warning device (200)
A sensing unit 210 for sensing a fall situation;
A database 220 storing various alarm tones and voice alarm tones for each nationality, local information, and emergency communication network;
A communication unit 230 for transmitting the location information and the status of the UAV 100 in a fall;
A speaker 240 positioned at the upper or lower portion of the driving unit or the periphery of the UAV 100 or the rotor;
A blinking part 250 which is located at the upper part or the lower part of the driving part or the periphery of the unmanned airplane 100 or the rotor, and flashes a warning light using a light source such as an LED;
And a control unit (260) for determining the status of each unit and controlling each unit. The method according to claim 1,
The sensing unit 210 includes a satellite navigation device 211, an acceleration sensor 212, a gyro sensor 213, a direction sensor 214, an optical sensor 215, an acoustic sensor 216, an impact sensor 217, And a collision warning device (200), wherein the collision warning device (200) includes at least one or a combination of two or more collision warning devices. The method according to claim 1,
The communication unit 230 receives the command from the controller 260 and transmits the data to the database 220 using a wireless network using a transmission method such as SMS (Short Message Service), MMS (Multimedia Messaging Service), RF (Radio Frequency) (100) is provided with an emergency alert network (112, 119), such as an administrator, and the location information and the fall status of the unmanned airplane (100) during a fall are transmitted to the unmanned airplane (100). The system according to any one of claims 1 to 3, wherein the database (220) comprises country-specific information according to latitude and longitude, warning voice of a language by country, basic warning sound, contact information of a manager designated by the user, (100) having a fall warning device (200). The method according to claim 1,
The control unit 260 transmits the status to the communication unit 230 when the detection unit 210 senses a fall of the UAV 100. The control unit 260 may detect a fall of the UAV 100 through the sensing unit 210, And outputs a warning sound to the speaker (240), and flashes a warning light through the blinking part (250). The method according to claim 1,
If the altitude measured by the sensing unit 210 is close to the ground in the fall of the UAV 100, the control unit 260 may control the warning light through the blinking unit 250 And outputs only the basic warning sound to the speaker (240). The method according to any one of claims 1 to 6, wherein the blinking part (250) detects a fall of the UAV (100) in the sensing part (210) (100) is located at a point (300) where the vehicle falls, the blinking part (250) continuously displays a crash point.

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