Drones

Abstract

The present application provides an unmanned aerial vehicle, comprising a fuselage (1), an inertial measurement unit (2) arranged in the fuselage (1), a mounting frame (3) for fixing the inertial measurement unit (2), and a circuit board (4) fixed in the fuselage (1) and integrated with multiple functional modules; the inertial measurement unit (2) is mounted on the circuit board (4) through the mounting frame (3); the mounting frame (3) comprises a first bracket and a second bracket, the first bracket is positioned on the circuit board (4), the second bracket is arranged on a side of the first bracket away from the circuit board (4), and the inertial measurement unit (2) is fixed on a side of the second bracket away from the first bracket. The mounting frame for fixing the inertial measurement unit is mounted on the circuit board inside the fuselage, and there is no need to design another space structure to install the mounting frame; the double-layer bracket can reduce the influence of the fuselage vibration on the inertial measurement unit and can separate the inertial measurement unit from the circuit board, thereby reducing the interference between the inertial measurement unit and components on the circuit board.

Description

Technical Field

[0001] The present application relates to the field of aircraft, and in particular to a drone. Background Art

[0002] Inertial measurement unit (IMU) is an important device for measuring the attitude of UAV. It needs to be installed on the UAV more firmly to improve the reliability of UAV attitude measurement.

[0003] At present, the inertial measurement unit of most drones is fixed on the inner shell of the drone's fuselage through a mounting frame, and it is necessary to design another spatial structure on the inner shell of the fuselage to fix the mounting frame, thereby fixing the inertial measurement unit. However, since the usable space inside the fuselage is basically occupied by PCBs (Printed Circuit Boards) of various functional modules, it also forms a certain obstacle to the installation of the inertial measurement unit, and the above-mentioned method of fixing the inertial measurement unit requires more space, which is not conducive to the miniaturization design of the drone. Summary of the invention

[0004] The present application provides a drone.

[0005] Specifically, the present application is implemented through the following technical solutions:

[0006] A drone comprises a fuselage and an inertial measurement unit arranged in the fuselage, and also comprises a mounting frame for fixing the inertial measurement unit and a circuit board fixed in the fuselage and integrated with multiple functional modules; wherein the inertial measurement unit is mounted on the circuit board via the mounting frame; the mounting frame comprises a first bracket and a second bracket, the first bracket is positioned on the circuit board, the second bracket is arranged on a side of the first bracket away from the circuit board, and the inertial measurement unit is fixed to a side of the second bracket away from the first bracket.

[0007] It can be seen from the technical solutions provided in the above embodiments of the present application that the present application achieves the fixation of the inertial measurement unit by installing the mounting frame for fixing the inertial measurement unit on the circuit board provided inside the fuselage, and there is no need to design another spatial structure on the inner shell of the fuselage to install the mounting frame for fixing the inertial measurement unit, so that the structure inside the fuselage is more compact, thereby saving the use space inside the fuselage, which is conducive to the miniaturization design of the drone; the double-layer bracket can reduce the impact of the vibration of the fuselage on the inertial measurement unit, and the double-layer bracket can better separate the inertial measurement unit from the circuit board, reducing the interference between the inertial measurement unit and the components on the circuit board (the inertial measurement unit moves independently in a certain space and will not contact the components on the circuit board for a long time, so it will not cause wear of the components); at the same time, integrating multiple functions on the same circuit board further makes the structure more compact, thereby further saving space, and making the drone further develop in the direction of miniaturization. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application.

[0009] Figure 1 is a schematic diagram of the structure of the drone in the embodiment of the present application;

[0010] Figure 2 is a three-dimensional schematic diagram of a partial structure of a drone in an embodiment of the present application;

[0011] Figure 3 is a schematic diagram of the assembly of a partial structure of a drone in an embodiment of the present application, revealing the positional relationship between the circuit board and the mounting frame;

[0012] Figure 4 is an assembly diagram of another part of the structure of the drone in the embodiment of the present application, which reveals the positional relationship between the circuit board and the mounting part;

[0013] Figure 5 It is a three-dimensional schematic diagram of another part of the structure of the drone in the embodiment of the present application.

[0014] Reference numerals:

[0015] 1: body; 2: inertial measurement unit; 3: mounting frame; 4: circuit board; 41: mounting hole; 5: mounting portion; 51: plug-in portion; 52: stopper portion; 6: fastener; 7: positioning member. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0017] The following is a detailed description of the drone of the present application in conjunction with the accompanying drawings. In the absence of conflict, the features of the following embodiments and implementations can be combined with each other.

[0018] See also Figure 1 The embodiment of the present application provides a drone, which may include a fuselage 1, an inertial measurement unit 2, a mounting frame 3, and a circuit board 4. The inertial measurement unit 2, the mounting frame 3, and the circuit board 4 are all arranged in the fuselage 1. Specifically, the fuselage 1 includes a containing space for containing the inertial measurement unit 2, the mounting frame 3, and the circuit board 4.

[0019] See also Figure 2 , the mounting frame 3 is used to fix the inertial measurement unit 2, and the mounting frame 3 is installed on the circuit board 4, that is, the inertial measurement unit 2 is installed on the circuit board 4 through the mounting frame 3, and the mounting frame 3 with the inertial measurement unit 2 is directly installed and fixed through the circuit board 4, without the need to set up a space structure for installing the mounting frame 3 separately on the inner shell of the fuselage 1, thereby saving the use space inside the fuselage 1, which is conducive to the miniaturization design of the drone and makes the drone more compact. In some examples, the inertial measurement unit 2 can be fixed to the mounting frame 3 by snapping or gluing. In some other examples, the inertial measurement unit 2 can be fixed to the mounting frame 3 by means of threads or the like.

[0020] The mounting frame 3 includes a first bracket and a second bracket, the first bracket is positioned on the circuit board 4, the second bracket is arranged on the side of the first bracket away from the circuit board 4, and the inertial measurement unit 2 is fixed on the side of the second bracket away from the first bracket. The double-layer bracket can reduce the influence of the vibration of the drone body on the inertial measurement unit 2, and the double-layer bracket can better separate the inertial measurement unit 2 from the circuit board 4, and reduce the interference between the inertial measurement unit 2 and the components on the circuit board 4 (the inertial measurement unit 2 moves independently in a certain space and will not contact the components on the circuit board 4 for a long time, so it will not cause component wear).

[0021] In order to further save the use space inside the fuselage 1 and provide the possibility for further miniaturization of the drone, the circuit board 4 is integrated with a variety of functional modules. In some examples, the functional module can at least be used to control the working state of the drone. Among them, the working state may include flying, returning, shooting, etc. In some examples, the functional module can at least be used to collect data information. Among them, the data information at least includes one or more of the image data information taken by the shooting equipment on the drone, the location data information of the drone, and the power information of the drone. The data information may also include other data information such as the remote control signal sent by the device for remotely controlling the drone. In some examples, the functional module can at least be used to control the working state of the drone and collect data information. Of course, the functional module may also include other functions for controlling the operation of the drone. By integrating all the functions required for the operation of the drone into a circuit board 4, the structure is made more compact to effectively reduce the size of the drone, making the drone more miniaturized.

[0022] In addition, the circuit board 4 is fixed inside the fuselage 1, so that the circuit board 4 is stably arranged on the drone. In some examples, the four sides of the circuit board 4 are fixed to the inner wall of the fuselage 1, for example, by means of a snap connection or a threaded connection. In some examples, an adapter fixed to the inner wall of the fuselage 1 is provided inside the fuselage 1, and the circuit board 4 is fixed to the inner wall of the fuselage 1 through the adapter.

[0023] In the embodiment of the present application, the mounting frame 3 for fixing the inertial measurement unit 2 is mounted on the circuit board 4 provided inside the fuselage 1, so that the inertial measurement unit 2 is fixed. There is no need to design another spatial structure on the inner shell of the fuselage 1 to install the mounting frame 3 for fixing the inertial measurement unit 2, so that the structure inside the fuselage 1 is more compact, thereby saving the use space inside the fuselage 1, which is conducive to the miniaturization design of the drone. At the same time, integrating multiple functions on the same circuit board 4 further makes the structure more compact, thereby further saving space, and making the drone further develop in the direction of miniaturization.

[0024] In order to enable the inertial measurement unit 2 to detect the attitude of the drone more accurately, in this embodiment, the inertial measurement unit 2 is mounted on the circuit board 4. Taking the drone propeller as a reference, the inertial measurement unit 2 is mounted on the side of the circuit board 4 away from the propeller, so that the inertial measurement unit 2 is mounted inside the drone. In this embodiment, the fuselage 1 includes an upper shell (not shown in the figure) and a lower shell (not marked in the figure), and the upper shell and the lower shell surround the accommodating space, wherein the inertial measurement unit 2 is located between the circuit board 4 and the lower shell.

[0025] See also Figure 1The body 1 includes a lower shell, one end of which is concave downward to form a receiving space, a circuit board 4 covers the upper part of the receiving space, an inertial measurement unit 2 is hung on the circuit board 4 and received in the receiving space, and the inertial measurement unit 2 is electrically connected to the circuit board 4. The receiving space formed by the lower shell not only reasonably utilizes the space, but also can effectively protect the inertial measurement unit 2.

[0026] In addition, the inertial measurement unit 2 is electrically connected to the circuit board 4, so that the drone attitude data detected by it can be transmitted to the circuit board 4, and the circuit board 4 performs subsequent operations after further processing. Optionally, the inertial measurement unit 2 is electrically connected to the circuit board 4 through a flexible circuit board 4. In this embodiment, one end of the flexible circuit board 4 is bonded to the inertial measurement unit 2, and the other end is bonded to the circuit board 4, and is electrically connected to the printed circuit on the circuit board 4.

[0027] In some embodiments, the mounting frame 3 can be directly fixed on the circuit board 4 by means of snap-fitting or bonding. For example, a plug hole is provided on the circuit board 4, and a protrusion matching the plug hole is provided on the mounting frame 3, so as to realize a fixed connection between the mounting frame 3 and the circuit board 4, so as to fix the inertial measurement unit 2 to the circuit board 4. It should be noted that the position where the plug hole is provided on the circuit board 4 needs to avoid the position of the printed circuit on the circuit board 4, so as to prevent the printed circuit on the circuit board 4 from being damaged and causing the circuit board 4 to malfunction.

[0028] In some embodiments, in combination Figures 3 to 5 In order to realize the fixed connection between the mounting frame 3 and the circuit board 4, the circuit board 4 is provided with a mounting portion 5, and the first bracket is connected to the mounting portion 5 so that the first bracket is positioned on the circuit board 4. It should be noted that the position where the mounting portion 5 is arranged on the circuit board 4 needs to avoid the position of the printed circuit on the circuit board 4 to prevent the printed circuit on the circuit board 4 from being damaged and causing the circuit board 4 to fail to work normally.

[0029] In some examples, the first bracket can be fixed to the mounting portion 5 by means of snap connection or bonding. For example, the mounting portion 5 and the first bracket are snap-connected by means of concave-convex matching. Figure 3 In order to make the first bracket more stably fixed on the mounting portion 5, the drone may further include a fastener 6, and the first bracket is connected to the mounting portion 5 through the fastener 6. In order to ensure that the connection between the first bracket and the mounting portion 5 is more secure, the fastener 6 is selected in this embodiment to connect the first bracket and the mounting portion 5.

[0030] Optionally, the mounting portion 5 may be a nut, and the fastener 6 may be a screw that matches the nut. Of course, in some other embodiments, the mounting portion 5 and the fastener 6 may also be other structures that match and lock with each other. For example, the mounting portion 5 and the fastener 6 are structures that are connected by concave and convex fitting.

[0031] See also Figure 4 In order to position the nut and facilitate the installation of the nut on the circuit board 4, a mounting hole 41 is provided on the circuit board 4 for installing the nut. In some examples, in order to further fasten the nut on the circuit board 4, the nut is welded on the circuit board 4 after passing through the mounting hole 41. Optionally, the nut is welded on the circuit board 4 by at least one of reflow soldering, wave soldering and manual soldering. In order to facilitate the welding and fixing of the nut on the circuit board 4, the nut is made of copper material or other metal materials with copper plating on the surface. Of course, the nut can also be made of other materials with a copper layer on the surface, for example, the core of the nut is made of plastic material, and the outer surface of the core is covered with a copper layer. Among them, the copper layer can be connected to the core by bonding. In some examples, in order to further fasten the nut on the circuit board 4, an adhesive layer can be provided at the connection between the nut and the mounting hole 41.

[0032] In some examples, combined Figure 3 and Figure 4 The nut is a plate-mounted nut, which includes a plug-in portion 51 and a stopper portion 52. After the plug-in portion 51 is inserted into the mounting hole 41, the stopper portion 52 covers the mounting hole 41 to limit the movement of the nut relative to the insertion direction, thereby facilitating the installation of the nut. The insertion direction is the direction in which the plug-in portion 51 is inserted into the mounting hole 41.

[0033] In this embodiment, the number of nuts can be set as needed. In order to more firmly fix the mounting frame 3 on the circuit board 4, there are at least two nuts, and the first bracket is connected to the circuit board 4 at at least two positions, so as to ensure that the inertial measurement unit 2 can be stably fixed on the circuit board 4, and prevent the inertial measurement unit 2 from shaking during the flight of the drone, which causes inaccurate measurements. In a specific implementation, there are three nuts, which are distributed in a triangular shape on the circuit board 4, which has a simple structure and can ensure that the inertial measurement unit 2 is more firmly fixed on the circuit board 4.

[0034] Combination Figure 2 and Figure 3The first bracket is provided with a positioning member 7 that cooperates with the mounting portion 5, and is used to position the first bracket to the circuit board 4, so as to conveniently and quickly fix the first bracket to the circuit board 4. In some examples, the positioning member 7 may include a through hole, which is used to sleeve the mounting portion 5 to position the first bracket to the circuit board 4. In this embodiment, the number of the positioning members 7 is the same as the number of the mounting portions 5 and corresponds one to one.

[0035] The process of fixing the mounting frame 3 to the circuit board 4 is as follows: align the positioning member 7 and the corresponding mounting portion 5 so that each positioning member 7 is respectively inserted into the corresponding mounting portion 5, and then use the fastener 6 to lock the positioning member 7 and the mounting portion 5 that match each other. It can be seen that after the positioning member 7 is positioned to the corresponding mounting portion 5, the positioning member 7 can limit the mounting portion 5 that matches with it, so that the first bracket and the mounting portion 5 can only move along the direction in which the positioning member 7 is inserted into the mounting portion 5, and cannot move in other directions. Further, by locking the positioning member 7 and the mounting portion 5 with the fastener 6, the mounting frame 3 and the mounting portion 5 can be prevented from moving in the direction in which the positioning member 7 is inserted into the mounting portion 5, thereby achieving the locking of the first bracket and the mounting portion 5, thereby fixing the first bracket to the circuit board 4.

[0036] See also Figure 2 and Figure 3 The positioning member 7 is arranged at the edge of the first bracket, so that the edge of the first bracket is positioned on the mounting portion 5 through the positioning member 7.

[0037] In some embodiments, the positioning member 7 is integrally formed with the mounting frame 3, and has a simple structure and strong stability. In some other embodiments, the positioning member 7 is a component independent of the mounting frame 3. The positioning member 7 can be fixed to the mounting frame 3 by a connection method such as a snap connection or a thread.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. The terms "include", "comprises" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprises a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0039] The drone provided in the embodiment of the present application is introduced in detail above. Specific examples are used in this article to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the method of the present application and its core idea; at the same time, for general technical personnel in this field, according to the idea of ​​the present application, there will be changes in the specific implementation method and application scope. In summary, the content of this specification should not be understood as a limitation on the present application.

Claims

1. A drone, characterized in that: It comprises a fuselage, an inertial measurement unit arranged in the fuselage, a mounting frame for fixing the inertial measurement unit, and a circuit board fixed in the fuselage and integrated with multiple functional modules; wherein, The inertial measurement unit is mounted on the circuit board through the mounting frame; The mounting frame includes a first bracket and a second bracket, the first bracket is positioned on the circuit board, the second bracket is arranged on a side of the first bracket away from the circuit board, and the inertial measurement unit is fixed to a side of the second bracket away from the first bracket, wherein the size of the second bracket is smaller than that of the first bracket, and a shock absorbing unit is arranged between the first bracket and the second bracket.

2. The drone according to claim 1, characterized in that: A mounting portion is provided on the circuit board, and the first bracket is connected to the mounting portion so that the first bracket is positioned on the circuit board.

3. The drone according to claim 2, characterized in that: A fastener is also included, and the first bracket is connected to the mounting portion through the fastener.

4. The drone according to claim 2, characterized in that: The first bracket is provided with a positioning piece matched with the mounting portion and used for positioning the first bracket on the circuit board.

5. The drone according to claim 4, characterized in that: The positioning member is arranged at the edge of the first bracket.

6. The drone according to claim 4, characterized in that: The positioning member includes a through hole for sleeve-mounting the mounting portion to position the mounting frame to the circuit board.

7. The drone according to claim 4, characterized in that: The positioning member and the mounting frame are integrally formed.

8. The drone according to claim 1, characterized in that: The functional module can at least be used to control the working state of the drone and / or control the drone to collect data information.

9. The drone according to claim 8, characterized in that: The data information includes at least one or more of image data information captured by a camera on the drone, location data information of the drone, and power information of the drone.

10. The drone according to claim 1, characterized in that: The inertial measurement unit is hung on the circuit board, and the inertial measurement unit is electrically connected to the circuit board.

11. The drone according to claim 1, characterized in that: The body includes a lower shell, one end of which is recessed downward to form a receiving space, the circuit board covers the upper part of the receiving space, the inertial measurement unit is hung on the circuit board and received in the receiving space, and the inertial measurement unit is electrically connected to the circuit board.

Images