Safe landing device and unmanned aerial vehicle

Abstract

The utility model relates to the technical field of unmanned aerial vehicles, and particularly discloses a safe landing device and an unmanned aerial vehicle. The safe landing device comprises a bin body, a PCB, a partition plate, a detonating device, a parachute assembly and an upper cover; the bin body is provided with a containing cavity and a mounting opening, the mounting opening communicates with the containing cavity, and a first positioning part and a second positioning part are arranged at the cavity bottom of the containing cavity in a protruding mode. The PCB is positioned on the first positioning part; the partition plate is positioned on the second positioning part, and the partition plate is positioned above the PCB; the detonating device and the parachute assembly are both arranged on the partition plate, and the parachute assembly is located above the detonating device. Part of the detonating device can penetrate through the partition plate to be connected to the PCB. And the upper cover covers the mounting opening of the bin body. The relative positions of the PCB and the partition plate are fixed, so that the installation accuracy of the detonating device can be ensured, and the situation that the normal use of the parachute assembly is affected due to potential safety hazards caused by errors is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of unmanned aerial vehicles, in particular to a safe landing device and an unmanned aerial vehicle. Background Art

[0002] A drone is an unmanned flying device that is controlled by a radio remote control device and a self-contained program control device, and has no cockpit. When drones are used in high-density urban scenarios, the safety of their use is an important factor that needs to be considered. The use of parachutes can reduce the damage to ground facilities and personnel when a drone falls, greatly improving the safety of drone operations in urban environments.

[0003] In the prior art, the parachute is directly installed inside the UAV or a mounting platform is provided on the UAV to install the parachute. The above two structures occupy the space of the UAV itself when the parachute and the ejection device are installed, and the installation process is relatively complicated when installing the parachute and the ejection device. Errors are very likely to occur during the installation process, resulting in safety hazards and affecting the normal use of the parachute. Utility Model Content

[0004] The utility model aims to provide a safe landing device and an unmanned aerial vehicle, so as to solve the problems in the prior art that the parachute and the ejection device occupy the space of the unmanned aerial vehicle itself when being installed, and the installation process of the parachute and the ejection device is relatively complicated, errors are very likely to occur during the installation process, resulting in safety hazards and affecting the normal use of the parachute.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] In one aspect, the utility model provides a safety landing device, which includes:

[0007] A bin body, the bin body having a receiving cavity and an installation opening, the installation opening being connected to the receiving cavity, and a first positioning portion and a second positioning portion being protruding from the bottom of the receiving cavity;

[0008] A PCB board, wherein the PCB board is positioned on the first positioning portion;

[0009] A partition, the partition is positioned on the second positioning portion, and the partition is located above the PCB board;

[0010] An initiating device and a parachute assembly, wherein the initiating device and the parachute assembly are both arranged on the partition, and the parachute assembly is located above the initiating device; a part of the initiating device can pass through the partition and be connected to the PCB board;

[0011] An upper cover is arranged on the installation opening of the bin body.

[0012] As an optional solution of the above-mentioned safe landing device, the safe landing device also includes a first connecting member and a second connecting member, the first connecting member can pass through the PCB board to be connected to the first positioning portion, and the second connecting member can pass through the partition to be connected to the second positioning portion.

[0013] As an optional solution of the above-mentioned safe landing device, a plurality of the first positioning parts and the second positioning parts are provided, and a plurality of the first positioning parts are arranged around the middle position of the bottom of the accommodating cavity, and a plurality of the second positioning parts are arranged around the junction of the bottom and the cavity wall of the accommodating cavity.

[0014] As an optional solution of the above-mentioned safe landing device, the cavity walls on opposite sides of the accommodating cavity are arc-shaped walls and / or square walls, and the partition is guided by the arc-shaped walls and / or the square walls and arranged on the second positioning portion.

[0015] As an optional solution of the above-mentioned safe landing device, a mounting groove is provided on a side of the partition away from the PCB board, and the detonating device is embedded in the mounting groove.

[0016] As an optional solution of the above-mentioned safe landing device, a plurality of limiting protrusions are arranged at intervals on the groove wall of the installation groove, and the plurality of limiting protrusions can abut against the detonating device.

[0017] As an optional solution of the above-mentioned safe landing device, the parachute assembly includes a parachute line, and the parachute line is connected to the partition.

[0018] As an optional solution of the above-mentioned safe landing device, a T-shaped portion is provided at the edge of the partition, and the parachute rope can be wound around the T-shaped portion.

[0019] As an optional solution of the above-mentioned safe landing device, one of the upper cover and the warehouse body is provided with a latching protrusion, and the other is provided with a latching groove, and the latching protrusion can be latched in the latching groove.

[0020] On the other hand, the utility model provides a drone, comprising the above-mentioned safe landing device, wherein the drone also comprises a drone body, and the cabin body is detachably connected to the drone body.

[0021] The beneficial effects of the utility model are:

[0022] The safe landing device includes a warehouse body, a PCB board, a partition, a detonator, a parachute assembly and an upper cover. The warehouse body has a accommodating cavity and an installation port, and the installation port is connected to the accommodating cavity, so that the PCB board, the partition, the detonator and the parachute assembly can be installed in the accommodating cavity through the installation port. Among them, the bottom of the accommodating cavity is protrudingly provided with a first positioning part and a second positioning part, the PCB board is positioned on the first positioning part, the partition is positioned on the second positioning part, and the partition is located above the PCB board, so that by setting the first positioning part and the second positioning part, the positioning and installation of the PCB board and the partition can be facilitated, the installation efficiency is improved, the relative position between the PCB board and the partition is fixed, the detonator and the parachute assembly are both arranged on the partition, and part of the detonator can be connected to the PCB board through the partition, so that after the relative position between the PCB board and the partition is fixed, the installation accuracy of the detonator can be ensured, and errors can be prevented from causing safety hazards and affecting the normal use of the parachute assembly. The parachute assembly is located above the detonator, and the upper cover is arranged on the installation opening of the warehouse body, so that after the detonator takes effect, the parachute assembly can be lifted up, so that the parachute assembly lifts up the upper cover and detaches from the installation opening to open, thereby achieving a safe landing. In addition, the safe landing device is independently arranged, which is easy to produce and install and does not occupy the space of the drone body. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 An exploded view of a safety landing device provided by an embodiment of the utility model;

[0024] Figure 2 A cross-sectional view of a safety landing device provided by an embodiment of the utility model;

[0025] Figure 3 for Figure 2 A partial enlarged view of the middle A;

[0026] Figure 4 This is a schematic structural diagram of a partition provided in an embodiment of the utility model.

[0027] In the figure:

[0028] 1. Warehouse body; 11. Accommodating chamber; 111. Arc-shaped wall; 12. Mounting opening; 13. First positioning portion; 14. Second positioning portion; 15. Card slot; 2. PCB board; 3. Partition plate; 31. Mounting slot; 311. Limiting protrusion; 32. T-shaped portion; 4. Detonating device; 5. Parachute assembly; 6. Upper cover; 61. Card protrusion. DETAILED DESCRIPTION

[0029] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions, and the first feature "above", "above" and "above" the second feature include the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. The first feature "below", "below" and "below" the second feature include the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0031] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0033] This embodiment provides a safe landing device for enabling a drone to land safely on the ground.

[0034] like Figure 1 to Figure 4As shown, the safety landing device includes a warehouse body 1, a PCB board 2, a partition 3, a detonator 4, a parachute assembly 5 and an upper cover 6. The warehouse body 1 has a receiving cavity 11 and an installation opening 12, and the installation opening 12 is connected to the receiving cavity 11, so that the PCB board 2, the partition 3, the detonator 4, and the parachute assembly 5 can all be installed in the receiving cavity 11 through the installation opening 12.

[0035] Among them, the bottom of the accommodating cavity 11 is protrudingly provided with a first positioning portion 13 and a second positioning portion 14, the PCB board 2 is positioned on the first positioning portion 13, the partition 3 is positioned on the second positioning portion 14, and the partition 3 is located above the PCB board 2, so that by providing the first positioning portion 13 and the second positioning portion 14, the positioning and installation of the PCB board 2 and the partition 3 can be facilitated, the installation efficiency can be improved, the relative position between the PCB board 2 and the partition 3 is fixed, the detonating device 4 and the parachute assembly 5 are both arranged on the partition 3, and at the same time, part of the detonating device 4 can pass through the partition 3 and be connected to the PCB board 2, so that after the relative position between the PCB board 2 and the partition 3 is fixed, the installation accuracy of the detonating device 4 can be ensured, and the error can be prevented from causing safety hazards and affecting the normal use of the parachute assembly 5. Specifically, the PCB board 2 is provided with a first positioning groove, the partition 3 is provided with a second positioning groove, the first positioning portion 13 can be embedded in the first positioning groove, and the second positioning portion 14 can be embedded in the second positioning groove.

[0036] The parachute assembly 5 is located above the detonator 4, and the upper cover 6 is covered on the installation opening 12 of the compartment body 1, so that after the detonator 4 takes effect, the parachute assembly 5 can be lifted up, so that the parachute assembly 5 lifts up the upper cover 6 and detaches from the installation opening 12 and opens, thereby achieving a safe landing. In addition, the safe landing device is independently arranged, which is convenient for production and installation and does not occupy the space of the drone body.

[0037] Furthermore, the safety landing device further comprises a first connector and a second connector, wherein the first connector can pass through the PCB board 2 and be connected to the first positioning portion 13, and the second connector can pass through the partition 3 and be connected to the second positioning portion 14, so as to realize the fixing of the PCB board 2 on the first positioning portion 13 and the fixing of the partition 3 on the second positioning portion 14, and at the same time, it is convenient for the staff to disassemble the partition 3 and the PCB board 2 for maintenance and repair, so as to extend the service life of the safety landing device. Among them, the first positioning portion 13 and the second positioning portion 14 are both provided in plurality, and the plurality of first positioning portions 13 are arranged around the middle position of the bottom of the accommodating cavity 11, and the plurality of second positioning portions 14 are arranged around the junction of the bottom and the cavity wall of the accommodating cavity 11, so that the second positioning portion 14 can avoid the PCB board 2, and avoid the second positioning portion 14 from interfering with the installation of the PCB board 2 on the first positioning portion 13. Optionally, the PCB board 2 and the partition 3 can also be installed by snapping or bonding or other methods, which are not specifically limited in this embodiment.

[0038] like Figure 1 , Figure 2 and Figure 4 As shown, the cavity walls on opposite sides of the accommodating cavity 11 are arcuate walls 111 and / or square walls, and the partition 3 is guided on the second positioning portion 14 via the arcuate walls 111 and / or square walls, so that the installation of the partition 3 is guided by the arcuate walls 111, thereby improving the installation accuracy of the partition 3. Optionally, the bending directions of the two arcuate walls 111 or the two square walls are the same, so that the installation of the partition 3 can be foolproof and the partition 3 can be prevented from being installed upside down.

[0039] Furthermore, a mounting groove 31 is provided on the side of the partition 3 facing away from the PCB board 2, and the detonator 4 is embedded in the mounting groove 31, so as to improve the space utilization, reduce the space occupied by the detonator 4 above the partition 3, shorten the height of the warehouse body 1 above the partition 3, and thus reduce the overall weight of the safety landing device. Optionally, a plurality of limiting protrusions 311 are arranged at intervals on the groove wall of the mounting groove 31, and the plurality of limiting protrusions 311 can abut against the detonator 4, so that the limiting protrusions 311 can limit the detonator 4, improve the installation accuracy of the detonator 4, and prevent the detonator 4 from shaking left and right, so as to avoid the safety landing device being hit and causing the detonator 4 to be triggered by mistake.

[0040] Furthermore, the parachute assembly 5 includes an umbrella rope, which is connected to the partition 3, so that after the detonator 4 takes effect, the detonator 4 can lift the parachute assembly 5, so that the parachute assembly 5 lifts the upper cover 6 and then ejects out of the warehouse 1 to open, and then the umbrella rope pulls the partition 3 to achieve a safe landing. Among them, the edge of the partition 3 is provided with a T-shaped portion 32, and the umbrella rope can be wound around the T-shaped portion 32, so that the installation of the umbrella rope is convenient by providing the T-shaped portion 32.

[0041] like Figure 2 and Figure 3 As shown, one of the upper cover 6 and the warehouse body 1 is provided with a latching protrusion 61, and the other is provided with a latching groove 15. The latching protrusion 61 can be latched in the latching groove 15 to achieve the connection between the upper cover 6 and the warehouse body 1, and the buckling strength of the latching protrusion 61 and the latching groove 15 can be designed according to requirements. Therefore, when the parachute assembly 5 lifts up the upper cover 6 and ejects the warehouse body 1, the upper cover 6 will not be unable to detach from the warehouse body 1.

[0042] This embodiment also provides a drone, including the above-mentioned safe landing device, the drone also includes a drone body, the warehouse body 1 is detachably connected to the drone body, so that the safe landing device and the drone body are independently arranged, which is convenient for production and installation, does not occupy the space of the drone body, and the drone with the safe landing device has high safety performance. Optionally, the warehouse body 1 can also be installed on the drone body by snap connection, screw connection, glue connection or rope binding, etc., which is not specifically limited in this embodiment.

[0043] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. A safe landing device, characterized in that: include: A bin body (1), the bin body (1) comprising a receiving cavity (11) and a mounting opening (12), the mounting opening (12) being connected to the receiving cavity (11), and a first positioning portion (13) and a second positioning portion (14) being protrudingly provided at the bottom of the receiving cavity (11); A PCB board (2), the PCB board (2) being positioned on the first positioning portion (13); A partition (3), the partition (3) being positioned on the second positioning portion (14), and the partition (3) being located above the PCB board (2); An initiating device (4) and a parachute assembly (5), wherein the initiating device (4) and the parachute assembly (5) are both arranged on the partition (3), and the parachute assembly (5) is located above the initiating device (4); a portion of the initiating device (4) can pass through the partition (3) and be connected to the PCB board (2); An upper cover (6), wherein the upper cover (6) is arranged to cover the installation opening (12) of the warehouse body (1).

2. The safety landing device according to claim 1, characterized in that: The safety landing device further comprises a first connecting member and a second connecting member, wherein the first connecting member can pass through the PCB board (2) to be connected to the first positioning portion (13), and the second connecting member can pass through the partition (3) to be connected to the second positioning portion (14).

3. The safety landing device according to claim 1, characterized in that: A plurality of the first positioning portions (13) and a plurality of the second positioning portions (14) are provided. The plurality of the first positioning portions (13) are arranged around the middle position of the bottom of the accommodating cavity (11), and the plurality of the second positioning portions (14) are arranged around the junction of the bottom and the wall of the accommodating cavity (11).

4. The safety landing device according to claim 1, characterized in that: The cavity walls on opposite sides of the accommodating cavity (11) are arc-shaped walls (111) and / or square walls, and the partition plate (3) is guided on the second positioning portion (14) via the arc-shaped walls (111) and / or the square walls.

5. The safety landing device according to claim 1, characterized in that: A mounting groove (31) is provided on a side of the partition plate (3) facing away from the PCB board (2), and the detonating device (4) is embedded in the mounting groove (31).

6. The safety landing device according to claim 5, characterized in that: A plurality of limiting protrusions (311) are arranged at intervals on the groove wall of the installation groove (31), and the plurality of limiting protrusions (311) can abut against the detonating device (4).

7. The safety landing device according to claim 1, characterized in that: The parachute assembly (5) comprises parachute lines, which are connected to the partition (3).

8. The safety landing device according to claim 7, characterized in that: The edge of the partition (3) is provided with a T-shaped portion (32), and the parachute rope can be wound around the T-shaped portion (32).

9. The safety landing device according to any one of claims 1 to 8, characterized in that: One of the upper cover (6) and the bin body (1) is provided with a latching protrusion (61), and the other is provided with a latching groove (15), and the latching protrusion (61) can be latched in the latching groove (15).

10. A drone, characterized in that: It comprises the safe landing device according to any one of claims 1 to 9, the drone also comprises a drone body, and the cabin (1) is detachably connected to the drone body.

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