External power supply mechanism for UAV engine starting

Abstract

The present application discloses an external power supply mechanism for starting a UAV engine, including: a base; a rotating column, the lower end of which is rotatably mounted on the base; a driving motor, used to drive the rotating column to rotate; a mounting seat, fixed to the upper end of the rotating column; a mounting column, mounted on the mounting seat; a magnetic joint, the mounting end of the magnetic joint is rotatably mounted on the mounting column, the working end of the magnetic joint has an electrical signal contact and a plurality of magnets distributed around the axis of the magnetic joint, and the working end of the magnetic joint also has two pressure sensors evenly distributed around the axis of the magnetic joint; a torsion spring, used to keep the magnetic joint at a set angle; two electric push rods mounted on the mounting seat and the two pressure sensors are matched one by one. The present application can achieve precise feedback and control through pressure sensors and electric push rods, ensuring reliable docking of the magnetic joint with the UAV.

Description

Technical Field

[0001] The invention relates to the field of unmanned aerial vehicles, and in particular to an external power supply mechanism for starting an engine of a unmanned aerial vehicle. Background Art

[0002] In order to achieve maximum performance, the internal space layout and functional design of the engines installed on current drones often abandon the self-starting function, which is relatively bulky, has a short application time, and is not conducive to maximizing the engine performance. The solution commonly used in the industry is to use an external power supply module to complete the engine self-start before the drone is launched. After the engine runs stably, the external power supply module is removed to complete the drone launch.

[0003] The connector used for the electrical connection between the traditional external power supply module and the UAV is an aviation plug. This connector can stably and reliably complete the electrical connection between the external power supply module and the UAV. However, due to the structure of the connector, the removal of the external power supply module can currently only be completed by the operator.

[0004] In order to solve the above problems, the existing technology also uses magnetic connectors to electrically connect to the drone, which can realize remote control and automatic online and offline operations. However, after long-term use, the position of the magnetic connector will change, and the electrical signal contacts of the magnetic connector will not be in sufficient contact with the drone, affecting normal operation. Summary of the invention

[0005] In view of the above problems, the present invention proposes an external power supply mechanism for starting an unmanned aerial vehicle engine.

[0006] The technical solution adopted by the present invention is as follows:

[0007] An external power supply mechanism for starting an unmanned aerial vehicle engine, comprising:

[0008] Base;

[0009] A rotating column, the lower end of which is rotatably mounted on the base, and the rotating column has a standby position and a working position;

[0010] A driving motor is mounted on the base, and is used to drive the rotating column to rotate so that the rotating column switches between a standby position and a working position;

[0011] A mounting seat, fixed to the upper end of the rotating column;

[0012] A mounting column, mounted on the mounting seat;

[0013] A magnetic suction joint, one end of which is a working end and the other end of which is a mounting end, the mounting end of the magnetic suction joint is rotatably mounted on the mounting column, the working end of the magnetic suction joint has an electrical signal contact and a plurality of magnets distributed around the axis of the magnetic suction joint, the working end of the magnetic suction joint also has two pressure sensors evenly distributed around the axis of the magnetic suction joint, and the two pressure sensors are at the same distance from the rotation axis of the magnetic suction joint;

[0014] A torsion spring is provided between the mounting end of the magnetic joint and the mounting post, and is used to keep the magnetic joint at a set angle;

[0015] Two parallel electric push rods are evenly distributed around the axis of the mounting column. The electric push rods are mounted on the mounting seat. The movable rods of the electric push rods extend toward the magnetic suction joint. The electric push rods are matched with the pressure sensors in a one-to-one manner.

[0016] The present application has a working principle: when working, the driving motor drives the rotating column to rotate upward and switch from the standby position to the working position. At this time, the magnetic suction connector can dock with the corresponding position of the drone through the magnet. After docking, when the value of the pressure sensor is lower than the threshold, the corresponding electric push rod works to push the magnetic suction connector to rotate until the value of the pressure sensor exceeds the threshold.

[0017] This application can achieve precise feedback and control through pressure sensors and electric push rods to ensure reliable docking of the magnetic suction connector with the drone.

[0018] In one embodiment of the present invention, the mounting seat has a slide groove, the mounting post is slidably mounted on the slide groove, and the mounting post and the mounting seat are relatively fixed in a circumferential direction.

[0019] The mounting column is slidably installed on the slide groove, so that when the electric push rod adjusts the magnetic joint, it can not only adjust the angle of the magnetic joint, but also adjust the spatial position of the magnetic joint (at this time, the mounting column can move, so that the position of the magnetic joint can be changed), and the adjustment range is larger, which can better cope with actual conditions.

[0020] In one embodiment of the present invention, the cross section of the slide groove is not circular, and the cross section of the mounting post is matched with the cross section of the slide groove.

[0021] In one embodiment of the present invention, the side wall of the slide groove has an anti-rollover groove, the anti-rollover groove is arranged along the length direction of the slide groove, and the outer side wall of the mounting column has an anti-rollover block embedded in the anti-rollover groove.

[0022] In one embodiment of the present invention, the mounting post has two anti-slip rings, and the two second anti-slip rings are respectively located on both sides of the mounting seat;

[0023] A spring is installed at one end of the mounting column away from the magnetic attraction joint, one end of the spring abuts against the mounting seat, and the other end abuts against the anti-slip ring away from the magnetic attraction joint.

[0024] The spring can make the mounting column have a moving tendency to maintain the initial position, ensuring that the external power supply mechanism can return to the initial position after each operation, preventing the next operation from being affected due to failure to restore.

[0025] In one embodiment of the present invention, the end of the movable rod of the electric push rod is arc-shaped.

[0026] In one embodiment of the present invention, the magnetic connector has a guide groove that matches the movable rod.

[0027] The arc shape of the guide groove and the movable rod cooperate to better promote the movement of the magnetic suction connector.

[0028] In one embodiment of the present invention, a limit plate is installed on the base, and the limit plate is used to cooperate with the rotating column to limit the working position of the rotating column.

[0029] In one embodiment of the present invention, the limit plate is provided with a travel switch, and when the rotating column contacts the travel switch, the driving motor stops working.

[0030] In one embodiment of the present invention, the limit plate is rotatably mounted on the base, and after the limit plate is rotated and adjusted to a certain position, it is fixed to the base by a locking bolt.

[0031] The time angle of the rotating column in the working position can be adjusted by adjusting the limit plate, and the applicability of the external power supply mechanism is stronger.

[0032] The beneficial effect of the present invention is that the present application can achieve precise feedback and control through the pressure sensor and the electric push rod, thereby ensuring reliable docking of the magnetic suction connector with the drone. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 is a schematic diagram of the external power supply mechanism when the rotating column is in the standby position;

[0034] Figure 2 It is a schematic diagram of the external power supply mechanism when the rotating column is in the working position;

[0035] Figure 3 It is a partial structural diagram of an external power supply mechanism.

[0036] The reference numerals in the figures are:

[0037] 1. Base; 2. Rotating column; 3. Driving motor; 4. Mounting seat; 41. Slide groove; 5. Mounting column; 51. Anti-slip ring; 6. Magnetic suction joint; 6a. Working end; 6b. Mounting end; 61. Electrical signal contact; 62. Magnet; 63. Pressure sensor; 64. Guide groove; 7. Electric push rod; 71. Movable rod; 8. Spring; 9. Limit plate. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0039] In the description of this application, it should be noted that the terms "inside", "outside", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the application is usually placed when in use, which is only for the convenience of describing this application and simplifying the description, and does not indicate or imply 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 this application. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0040] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "disposed" and "connected" 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 direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0041] The present invention is described in detail below in conjunction with the accompanying drawings.

[0042] like Figure 1 , 2 As shown in 3, an external power supply mechanism for starting a UAV engine comprises:

[0043] Base 1;

[0044] A rotating column 2, the lower end of which is rotatably mounted on the base 1, and the rotating column 2 has a standby position and a working position;

[0045] A driving motor 3 is installed on the base 1, and is used to drive the rotating column 2 to rotate, so that the rotating column 2 switches between the standby position and the working position;

[0046] A mounting seat 4 is fixed to the upper end of the rotating column 2;

[0047] A mounting column 5, mounted on a mounting seat 4;

[0048] The magnetic connector 6 has a working end 6a at one end and a mounting end 6b at the other end. The mounting end 6b of the magnetic connector 6 is rotatably mounted on the mounting column 5. The working end 6a of the magnetic connector 6 has an electrical signal contact 61 and a plurality of magnets 62 distributed around the axis of the magnetic connector 6. The working end 6a of the magnetic connector 6 also has two pressure sensors 63 evenly distributed around the axis of the magnetic connector 6. The two pressure sensors 63 are at the same distance from the rotation axis of the magnetic connector 6.

[0049] A torsion spring (omitted and not shown in the figure) is arranged between the mounting end 6b of the magnetic attraction joint 6 and the mounting column 5, and is used to keep the magnetic attraction joint 6 at a set angle;

[0050] Two parallel electric push rods 7 are evenly distributed around the axis of the mounting column 5. The electric push rods 7 are mounted on the mounting seat 4. The movable rods 71 ​​of the electric push rods 7 extend toward the magnetic suction joint 6. The electric push rods 7 correspond to the pressure sensors 63 one by one.

[0051] The present application has a working principle: when working, the driving motor 3 drives the rotating column 2 to rotate upward and switch from the standby position to the working position. At this time, the magnetic suction connector 6 can dock with the corresponding position of the drone through the magnet 62. After docking, when the value of the pressure sensor 63 is lower than the threshold, the corresponding electric push rod 7 works to push the magnetic suction connector 6 to rotate until the value of the pressure sensor 63 exceeds the threshold.

[0052] The present application can achieve precise feedback and control through the pressure sensor 63 and the electric push rod 7 to ensure reliable docking between the magnetic suction connector 6 and the drone.

[0053] like Figure 2 As shown, in this embodiment, the mounting seat 4 has a slide groove 41, and the mounting post 5 is slidably mounted on the slide groove 41, and the mounting post 5 is relatively fixed to the mounting seat 4 in the circumferential direction. The mounting post 5 is slidably mounted on the slide groove 41, so that when the electric push rod 7 adjusts the magnetic suction joint 6, it can not only adjust the angle of the magnetic suction joint 6, but also adjust the spatial position of the magnetic suction joint 6 (at this time, the mounting post 5 can move, so that the position of the magnetic suction joint 6 can be changed), and the adjustment range is larger, which can better cope with the actual situation.

[0054] In order to achieve relative fixation in the circumferential direction, in actual use, the cross section of the slide groove 41 is not a circle, and the cross section of the mounting column 5 is adapted to the cross section of the slide groove 41. Alternatively, the side wall of the slide groove 41 has an anti-turnover groove, which is arranged along the length direction of the slide groove 41, and the outer side wall of the mounting column 5 has an anti-turnover block embedded in the anti-turnover groove.

[0055] like Figure 1 , 2 As shown in FIG. 3 , in this embodiment, the mounting column 5 has two anti-slip rings 51 , and the two second anti-slip rings 51 are respectively located on both sides of the mounting seat 4 ;

[0056] A spring 8 is installed at one end of the mounting column 5 away from the magnetic attraction joint 6 , one end of the spring 8 abuts against the mounting seat 4 , and the other end abuts against the anti-slip ring 51 away from the magnetic attraction joint 6 .

[0057] The spring 8 can make the mounting column 5 have a moving tendency to maintain the initial position, ensuring that the external power supply mechanism can return to the initial position after each operation, preventing the next operation from being affected due to failure to restore.

[0058] like Figure 2 As shown, in this embodiment, the end of the movable rod 71 of the electric push rod 7 is arc-shaped, and the magnetic suction joint 6 has a guide groove 64 that cooperates with the movable rod 71. The guide groove 64 and the arc shape of the movable rod 71 cooperate to better promote the magnetic suction joint 6 to move.

[0059] like Figure 1 and 2 As shown, in this embodiment, a limit plate 9 is installed on the base 1 , and the limit plate 9 is used to cooperate with the rotating column 2 to limit the working position of the rotating column 2 .

[0060] In actual use, preferably, the limit plate 9 is provided with a travel switch, and when the rotating column 2 contacts the travel switch, the driving motor 3 stops working.

[0061] In other embodiments, the limit plate 9 can be rotatably mounted on the base 1, and after the limit plate 9 is rotated and adjusted to the right position, it is fixed to the base 1 by a locking bolt. By adjusting the limit plate 9, the time angle of the rotating column 2 in the working position can be adjusted, and the applicability of the external power supply mechanism is stronger.

[0062] The above description is only a preferred embodiment of the present invention, and does not limit the patent protection scope of the present invention. Any equivalent structural transformation made by using the contents of the present invention and the drawings, directly or indirectly used in other related technical fields, is also included in the protection scope of the present invention.

Claims

1. An external power supply mechanism for starting an unmanned aerial vehicle engine, characterized in that: include: Base; A rotating column, the lower end of which is rotatably mounted on the base, and the rotating column has a standby position and a working position; A driving motor is mounted on the base, and is used to drive the rotating column to rotate so that the rotating column switches between a standby position and a working position; A mounting seat, fixed to the upper end of the rotating column; A mounting column, mounted on the mounting seat; A magnetic suction joint, one end of which is a working end and the other end of which is a mounting end, the mounting end of the magnetic suction joint is rotatably mounted on the mounting column, the working end of the magnetic suction joint has an electrical signal contact and a plurality of magnets distributed around the axis of the magnetic suction joint, the working end of the magnetic suction joint also has two pressure sensors evenly distributed around the axis of the magnetic suction joint, and the two pressure sensors are at the same distance from the rotation axis of the magnetic suction joint; A torsion spring is provided between the mounting end of the magnetic joint and the mounting post, and is used to keep the magnetic joint at a set angle; Two parallel electric push rods are evenly distributed around the axis of the mounting column. The electric push rods are mounted on the mounting seat. The movable rods of the electric push rods extend toward the magnetic suction joint. The electric push rods are matched with the pressure sensors in a one-to-one manner.

2. The external power supply mechanism for starting a drone engine according to claim 1, characterized in that: The mounting seat is provided with a slide groove, the mounting post is slidably mounted on the slide groove, and the mounting post and the mounting seat are relatively fixed in a circumferential direction.

3. The external power supply mechanism for starting an unmanned aerial vehicle engine according to claim 2, characterized in that: The cross section of the slide groove is not circular, and the cross section of the mounting column is adapted to the cross section of the slide groove.

4. The external power supply mechanism for starting a drone engine as claimed in claim 2, characterized in that: The side wall of the slide groove is provided with an anti-turnover groove, which is arranged along the length direction of the slide groove, and the outer side wall of the mounting column is provided with an anti-turnover block embedded in the anti-turnover groove.

5. The external power supply mechanism for starting a drone engine as claimed in claim 2, characterized in that: The mounting column has two anti-slip rings, and the two second anti-slip rings are respectively located on both sides of the mounting seat; A spring is installed at one end of the mounting column away from the magnetic attraction joint, one end of the spring abuts against the mounting seat, and the other end abuts against the anti-slip ring away from the magnetic attraction joint.

6. The external power supply mechanism for starting an unmanned aerial vehicle engine according to claim 1, characterized in that: The end of the movable rod of the electric push rod is in an arc shape.

7. The external power supply mechanism for starting an unmanned aerial vehicle engine according to claim 6, characterized in that: The magnetic attraction joint has a guide groove matched with the movable rod.

8. The external power supply mechanism for starting an unmanned aerial vehicle engine according to claim 1, characterized in that: A limit plate is installed on the base, and the limit plate is used to cooperate with the rotating column to limit the working position of the rotating column.

9. The external power supply mechanism for starting an unmanned aerial vehicle engine according to claim 8, characterized in that: The limit plate is provided with a travel switch, and when the rotating column contacts the travel switch, the driving motor stops working.

10. The external power supply mechanism for starting an unmanned aerial vehicle engine according to claim 9, characterized in that: The limit plate can be rotatably installed on the base, and after the limit plate is rotated and adjusted to a certain position, it is fixed to the base through a locking bolt.

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