KR102617586B1 - Emergency parachute spreading apparatus for drone and small-size aircraft - Google Patents

Abstract

The present invention is structurally simple and allows the parachute to be deployed quickly and stably in an emergency situation, and allows drones and small aircraft to avoid dangerous areas easily and quickly by controlling the parachute after opening the parachute. It relates to an emergency parachute release device for drones and small aircraft that minimizes damage and safety accidents. The emergency parachute release device for drones and small aircraft includes a case (10) mounted on the upper surface of the drone (D), and A plurality of springs 20 are installed on the inner lower surface of the case 10 and have a rising plate 21 attached to the top, and a control line 31 and a mountain line 32 are connected to the upper surface of the rising plate 21. a parachute 30, a pair of connecting rings 40 mounted on the inner lower surface of the case 10 and connected to the mountain rope 32, and a pair of connecting rings 40 installed on the inner lower surface of the case 10 and the control rope ( It includes a parachute control unit 50 to which 31) is connected, a controller 60 installed on the outer surface of the case 10, and a remote control 70 wirelessly connected to the controller 60.

Description

Emergency parachute spreader for drones and small aircraft {EMERGENCY PARACHUTE SPREADING APPARATUS FOR DRONE AND SMALL-SIZE AIRCRAFT}

The present invention relates to an emergency parachute opening device for drones and small aircraft. More specifically, the present invention relates to an emergency parachute opening device for drones and small aircraft. More specifically, it is structurally simple and allows the parachute to be opened quickly and stably in an emergency situation. After opening the parachute, the parachute is controlled to operate the parachute for drones and small aircraft. This relates to an emergency parachute opening device for drones and small aircraft that allows the aircraft to avoid dangerous areas easily and quickly while minimizing damage to the equipment and causing safety accidents.

In general, a drone is an unmanned aircraft that can be controlled remotely by automatic flight or radio waves without a pilot on board. It is called 'drone' from the meaning of 'bee buzzing' and also from the meaning of an aircraft with multiple propellers. Also called multicopter.

Since these drones were developed for military use in the early 20th century, powerful countries such as the United States have been competitively developing them and are still being used in actual combat. In the 2000s, they have been used for aerial photography, pesticide spraying, logistics transportation, traffic control, and security. It is used in professional fields and commercial purposes.

The above-mentioned drone is an unmanned aerial vehicle weighing less than 150kg under the Aviation Act, and anything larger than that is classified as an unmanned aerial vehicle. In Korea, unmanned aerial vehicles weighing more than 12kg must be reported to the local aviation office, and must be operated only within the visual range of the operator. You must operate it and follow safety rules such as no-fly zones and no dropping objects.

As mentioned above, compared to the rapidly developing performance of drones, the development of safety-related additional devices is relatively weak, and in fact, cases of personal and property damage due to drone falls are increasing, which is becoming an obstacle to the development of related industries.

In order to minimize damage to the drone and reduce damage to the ground when the drone suddenly falls, many devices that install parachutes on the drone are being proposed and released.

Recently, as drones have become larger, they are being used for various commercial activities as small aircraft weighing more than 150 kg, and furthermore, a structure has been developed to transport people on board these small aircraft.

It is known that even if such a small aircraft has a parachute, if it falls vertically, it can cause various risks and losses, including damage to people and property.

However, the above prior art had the following problems.

Conventional drones and manned/unmanned small aircraft are configured to deploy parachutes by detecting and analyzing malfunctions, abnormal operation, or abnormal flight, etc., so their operating mechanisms are quite complex, which prevents the parachutes from properly deploying in emergency situations. There was this.

In addition, conventional drones and manned/unmanned small aircraft have problems in that they fall into reservoirs, rivers, mountaintops, or dangerous areas after their parachutes are deployed, making them difficult to recover and causing damage to the equipment and safety accidents.

Registered Patent No. 2010863 “Parachute device for drones” (2019.08.08.)

Accordingly, the present invention was devised to solve all the problems of the prior art as described above.

The purpose of the present invention is to ensure that the parachute can be deployed quickly and stably in an emergency situation while being structurally simple, and that drones and small aircraft can easily and quickly avoid dangerous areas by controlling the parachute after opening the parachute. The goal is to provide an emergency parachute opening device for drones and small aircraft that minimizes damage to the device and causes safety accidents.

In order to achieve the above object, the "emergency parachute opening device for drones and small aircraft" according to the present invention is mounted on the upper surface of the drone, the upper part is open and the lower part is closed, and the lid is disassembled on the open upper part. a case provided and equipped with at least one automatic open/close device to disassemble the lid; a plurality of springs mounted on the inner lower surface of the case, compressed by being pressed by the lid, and equipped with a rising plate at the top; a parachute disposed on the upper surface of the rising plate, each of which has a control line connected to both ends, and a plurality of mountain lines connected to the inside of the control line; a pair of connecting rings mounted on both sides of the inner lower surface of the case and connected to the mountain line; Parachute control including a pair of drive motors installed on both ends of the inner lower surface of the case outside the connection ring, and a winding wheel that is respectively connected to the drive motors to rotate and can be wound or unwound by being connected to an end of the control line. wealth; A controller installed on one side of the case, connected to the automatic switch and the driving motor, and having a wireless receiver installed on the outside, controls the automatic switch and the driving motor according to a command signal received through the wireless receiver; A remote control that wirelessly transmits a command signal to the wireless receiver when operated by the user; It is characterized by including.

In addition, the automatic opening and closing devices of the "emergency parachute opening device for drones and small aircraft" according to the present invention are installed in pairs symmetrically on the outer surface of the case, and the automatic opening and closing devices are horizontal on both sides of the upper part of the case. A pair of first stone ridges formed to protrude, a second stone ridge formed to protrude horizontally from both sides of the lower end of the lid corresponding to the first stone ridges, and a lower portion of each of the first stone ridges on the outer surface of the case A servomotor is mounted on and has a spindle rotatably penetrating the first stone ledge and the second stone ledge, and is mounted horizontally on the top of the spindle of the servomotor and is hung on the upper surface of the second stone ledge so that the lid is It is characterized in that it includes a locking jaw that is fixed to the case or can be released from being locked on the second stone jaw by rotation of the spindle.

In addition, the case of the "emergency parachute opening device for drones and small aircraft" according to the present invention is vertically attached to the inside of the case to guide the ascent of the parachute while partitioning between the connecting ring and the drive motor. It is characterized in that it further includes a pair of spaced apart vertical partitions.

In addition, the remote control of the "emergency parachute opening device for drones and small aircraft" according to the present invention includes an open button installed on the outer surface of the remote control to turn on the automatic opener and disassemble the lid by the user's button operation; It further includes a pair of control buttons installed on the outer surface of the remote control so that the parachute can be controlled by rotating each of the drive motors in a forward or reverse direction by the user's button operation.

The present invention as described above is structurally simple and allows the parachute to be deployed quickly and stably in an emergency situation, significantly improving stability, and avoiding dangerous areas for drones and small aircraft by controlling the parachute after opening the parachute. This is done simply and quickly, improving convenience of use and minimizing damage to the device and safety accidents.

1 is a schematic perspective view showing a drone equipped with a parachute opening device according to the present invention;
Figure 2 is a schematic front view showing a drone equipped with a parachute opening device according to the present invention;
Figure 3 is a schematic longitudinal cross-sectional view showing the parachute opening device according to the present invention;
4 and 5 are schematic longitudinal cross-sectional views showing the operating state of the parachute opening device according to the present invention;
Figures 6 to 8 are longitudinal cross-sectional views showing the control state of a drone equipped with a parachute opening device according to the present invention.

Hereinafter, a preferred embodiment of the present invention will be described in more detail with reference to the accompanying drawings. However, it should be understood that the invention may be implemented in many different forms and is not limited to the described embodiments.

1 to 8 are schematic diagrams showing a parachute opening device according to the present invention. As shown, the emergency parachute opening device for drones and small aircraft according to the present invention includes a case 10 mounted on the upper surface of the drone (D), an inner lower surface of the case 10, and a riser plate at the top. A plurality of springs 20 to which (21) is attached, a parachute 30 disposed on the upper surface of the rising plate 21 and connected to the control line 31 and the mountain line 32, and the interior of the case 10 A pair of connecting rings 40 mounted on the lower surface and connected to the rope 32, a parachute control unit 50 installed on the inner lower surface of the case 10 and connected to the control rope 31, and It includes a controller 60 installed on the outer surface of the case 10 and a remote control 70 wirelessly connected to the controller 60.

The case 10 is mounted on the upper surface of the drone (D), the upper part is open, the lower part is closed, a lid 11 is disassembled on the open upper part, and at least one device is provided so that the lid 11 can be disassembled. The automatic open/close device 12 is installed, and serves to provide a place where various devices including the parachute 30 are accommodated or installed.

The lid 11 serves to protect the parachute 30 accommodated inside the case 10 while sealing the open top of the case 10, and is combined with the case 10 to protect the parachute 30. is pressed so that the spring 20 is in a pressurized state.

The automatic opener 12 is controlled by the controller 60 according to a command signal according to the user's operation, so that the lid 11 is unlocked in the case 10 and the lid 11 is opened. It is done.

The automatic open/close device 12 is installed in pairs symmetrically on the outer surface of the case 10 to improve operational stability.

More specifically, the automatic opener 12 includes a pair of first stone ridges 121 that protrude horizontally from both sides of the top of the case 10, and the lid 11 corresponding to the first stone ridges 121. ), a second stone ledge 122 is formed to protrude horizontally from both sides of the lower end, and is mounted on the outer surface of the case 10 to the lower part of each of the first stone ridges 121, and a spindle is installed on the first stone ledge 121 and a servomotor 123 that is rotatably provided through the second stone ledge 122, and is mounted horizontally on the top of the spindle of the servomotor 123 and is caught on the upper surface of the second stone ledge 122. The lid 11 is fixed to the case 10 or includes a locking ledge 124 that can be unlocked from the second stone ledge 122 by rotation of the spindle.

Referring to FIGS. 3 and 4, in the automatic open/close device 12, the servomotor 123 is driven and the spindle of the servomotor 123 rotates so that the locking ledge 124 is connected to the second stone ledge 122. When it is caught on the upper surface of the case 10, the lid 11 is fixed to the case 10, and the servomotor 123 is driven in the opposite direction, and the spindle of the servomotor 123 is rotated in the opposite direction so that the locking jaw When (124) is not caught on the upper surface of the second stone ledge 122, that is, in a state in which it can fall through the second stone ledge 122, the fixation of the lid 11 to the case 10 is released. As this happens, the lid 11 is disassembled from the case 10.

The first stone step 121 serves to support the second stone step 122, and the second stone step 122 serves to provide a part where the locking step 124 is caught or released. , the servo motor 123 serves to rotate the locking ledge 124 at a certain angle while rotating forward or reverse, and the locking ledge 124 is caught by or prevents the second stone ledge 122 from getting caught. This is to enable it to be released.

In addition, the case 10 further includes a pair of vertical partitions 13 attached vertically therein and spaced apart from each other. The vertical bulkhead 13 partitions between the connecting ring 40 and the parachute control unit 50 to prevent entanglement of the control line 31 and the mountain line 32, and prevents the winding and unwinding of the control line 31. It ensures stability and serves to guide the rise of the parachute 30 by the spring 20.

The spring 20 is mounted on the inner lower surface of the case 10, is pressurized by the lid 11, and is provided in a compressed state. A rising plate 21 is mounted on the top and is provided in a plurality, so that the spring 20 is pressurized. It is maintained in this state, and when the lid 11 is disassembled from the case 10, the compression is released and the rising plate 21 is pushed upward, and the parachute 30 disposed on the rising plate 21 is released. It serves to push out of the case 10 and raise it.

The rising plate 21 serves to push up the parachute 30 as a whole while providing a place where the parachute 30 is placed.

The parachute 30 is disposed on the upper surface of the rising plate 21, has a control line 31 connected to both ends, and a plurality of ropes 32 are connected to the inside of the control line 31. As it unfolds, it airs. It is known that the drone (D) can be slowly dropped due to the resistance of . The parachute 30 may be equipped with an auxiliary parachute that unfolds first while ascending together, allowing the parachute 30 to unfold more quickly.

The control line 31 is a known thing that allows the parachute 30 to control its flight direction by pulling, and the mountain line 32 is a known thing that allows the parachute 30 to be evenly spread and supported.

The connecting ring 40 is mounted on both sides of the inner lower surface of the case 10, is connected to the ray 32, and is provided as a pair, and serves to provide a place to which the ray 32 is firmly connected. .

The parachute control unit 50 is installed on the inner lower surface of the case 10, and is used to control the flight direction of the parachute 30 by winding or unwinding the control line 31.

The parachute control unit 50 is connected to a pair of drive motors 51 installed on both ends of the inner lower surface of the case 10 outside the connecting ring 40, and to the drive motors 51, respectively. It includes a winding wheel 52 that rotates and is connected to the end of the control line 31 so that it can be wound or unwound.

The drive motor 51 is driven by the supply of power and serves to rotate the take-up wheel 52 forward or backward, and the take-up wheel 52 is rotated by the drive motor 51 and moves the control string. (31) can be wound or unwound.

The parachute control unit 50 configured in this way moves straight while descending as shown in Figures 6 to 8 with reference to Figure 5, and winds the control line 31 on the left or right side around the take-up wheel 52. When pulled, the flight direction of the parachute 30 changes to the left or right.

In this way, the flight direction of the parachute 30 can be changed through control of the parachute control unit 50 and the drone D can be dropped at a safe location desired by the user.

The controller 60 is installed on one side of the case 10, is connected to the automatic switch 12 and the driving motor 51, and has a wireless receiver 61 installed on the outer surface. It serves to control the automatic switch 12 and the drive motor 51 according to the command signal received through it.

The wireless receiver 61 serves to receive a command signal transmitted wirelessly from the remote controller 70 and transmit it to the controller 60.

The remote control 70 is wirelessly connected to the controller 60 and serves to wirelessly transmit a command signal to the wireless receiver 61 through user manipulation. That is, the user operates the remote control 70 on the ground and transmits a command signal to the controller 60 through the wireless receiver 61 to operate the automatic open/close device 12 and the parachute control unit 50. This is to enable opening and manipulation of the parachute 30.

The remote control 70 further includes an open button 71 installed on the outer surface of the remote control 70 and a pair of control buttons 72 installed on the outer surface of the remote control 70.

The opening button 71 turns on the automatic opener 12 by the user's button operation to disassemble the lid 11, and the control button 72 operates each of the buttons by the user's button operation. The parachute 30 can be controlled by rotating the motor 51 forward or backward.

This parachute opening device is explained using a drone (D) as an example as shown in the drawing, but it is not limited to this and can also be applied to manned and unmanned small aircraft larger than drones to avoid dangerous areas and prevent safety accidents and casualties. and can be appropriately used to reduce it.

Although the preferred embodiments of the present invention have been described above, various changes, modifications, and equivalents may be used in the present invention. It is clear that the present invention can be equally applied by appropriately modifying the above embodiment. Accordingly, the above description does not limit the scope of the present invention, which is defined by the limitations of the claims below.

Meanwhile, in the detailed description of the present invention, specific embodiments have been described, but it will be obvious to those skilled in the art that various modifications are possible without departing from the scope of the present invention.

10: case
11: Lid
12: Automatic switch
121: 1st stone ledge 122: 2nd stone ledge
123: Servo motor 124: Locking jaw
13: Vertical bulkhead
20: spring
21: Rising plate
30: Parachute
31: control line 32: mountain line
40: connecting ring
50: Parachute control unit
51: drive motor 52: winding wheel
60: controller
61: wireless receiver
70: remote control
71: Open button 72: Control button
D: drone

Claims (4)

It is mounted on the upper surface of the drone, the upper part is open and the lower part is closed, a lid 11 is disassembled on the open upper part, and at least one automatic open/close device 12 is provided to disassemble the lid 11. A case 10 to be installed;
A plurality of springs (20) mounted on the inner lower surface of the case (10), provided in a compressed state by being pressed by the lid (11), and having a rising plate (21) mounted on the upper end;
a parachute (30) disposed on the upper surface of the rising plate (21), each of which has a control line (31) connected to both ends, and a plurality of mountain lines (32) connected to the inside of the control line (31);
A pair of connecting rings 40 mounted on both sides of the inner lower surface of the case 10 and to which the mountain line 32 is connected;
A pair of drive motors 51 installed on both ends of the inner lower surface of the case 10 outside the connecting ring 40, each connected to the drive motor 51 to rotate and an end of the control string 31. A parachute control unit 50 including a winding wheel 52 that is connected and can be wound or unwound;
It is installed on one side of the case 10, connected to the automatic switch 12 and the drive motor 51, and a wireless receiver 61 is installed on the outer surface, and a command signal is received through the wireless receiver 61. A controller 60 that controls the automatic switch 12 and the drive motor 51 according to;
a remote control 70 that wirelessly transmits a command signal to the wireless receiver 61 through user manipulation; Contains,
The automatic open/close device (12),
Installed in pairs symmetrically on the outer surface of the case 10,
The automatic open/close device (12),
A pair of first stone protrusions 121 formed to protrude horizontally from both sides of the top of the case 10,
A second stone protrusion 122 is formed to protrude horizontally from both sides of the lower end of the lid 11 in response to the first stone protrusion 121,
A servomotor 123 is mounted on the outer surface of the case 10 below each of the first stone steps 121 and has a spindle rotatable through the first stone steps 121 and the second stone steps 122. )and,
It is mounted horizontally on the top of the spindle of the servomotor 123 and is caught on the upper surface of the second stone ledge 122 so that the lid 11 is fixed to the case 10 or the second stone ledge is rotated by rotation of the spindle. An emergency parachute opening device for drones and small aircraft, comprising a locking jaw (124) that can be released from being caught on (122).
delete According to paragraph 1,
In the case 10,
A pair of vertical bulkheads 13 vertically attached to the inside of the case 10 and spaced apart from each other to guide the ascent of the parachute 30 while partitioning between the connecting ring 40 and the drive motor 51. second,
Emergency parachute opening device for drones and small aircraft, characterized in that it further comprises.
According to paragraph 1,
The remote control 70,
An open button 71 installed on the outer surface of the remote control 70 to turn on the automatic opener 12 and disassemble the lid 11 by a user's button operation;
A pair of control buttons 72 installed on the outer surface of the remote control 70 are used to control the parachute 30 by rotating each drive motor 51 forward or backward by the user's button operation. ,
Emergency parachute opening device for drones and small aircraft, characterized in that it further comprises.