A motor electronic governor mounting structure of an unmanned aerial vehicle
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-14
- Publication Date
- 2026-08-11
AI Technical Summary
此类设计存在以下问题:①安装和拆卸复杂度高:电机与电调需分步固定,且电调线缆需额外布置,操作中需使用螺栓刀、胶枪等多种工具,耗费较多时间和精力;②抗振性能不足:分体式固定易导致连接部位在高频振动下发生位移,影响飞控稳定性,从而影响无人机的飞行安全;③散热效率低下:电调封闭于机臂内部或外侧无导流设计,散热依赖被动对流,电调在工作时会产生大量热量,如果不能及时散热,存在热失效风险,影响其性能和使用寿命;④维护困难:故障时需逐层拆卸外壳和线缆,无法快速更换
[0019] Easy installation and disassembly: The motor and ESC mounting bracket is fixed to the motor and ESC with bolts, and the motor and ESC mounting bracket is fixed to the machine arm with bolts. No need to use multiple tools, the installation and disassembly of the motor and ESC can be completed quickly, saving time and effort.
Smart Images

Figure CN224618021U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of unmanned aerial vehicle (UAV) equipment fixing structure technology, and in particular to a UAV motor ESC mounting structure. Background Technology
[0002] During drone flight, the stable operation of the motors and ESCs is crucial. Traditional drone motor and ESC installation structures often employ a separate design. For example, the motor is directly fixed to the arm surface with screws, while the ESC is fixed to the inside or outside of the arm with adhesive or straps. This design has the following problems: ① High installation and disassembly complexity: The motor and ESC need to be fixed in stages, and the ESC cables need to be additionally routed. Multiple tools such as bolt cutters and glue guns are required during operation, consuming considerable time and effort; ② Insufficient vibration resistance: Separate fixing can easily lead to displacement of the connection points under high-frequency vibration, affecting flight control stability and thus impacting drone flight safety; ③ Low heat dissipation efficiency: The ESC is enclosed inside or outside the arm without a flow guide design, relying on passive convection for heat dissipation. The ESC generates a large amount of heat during operation, and if it cannot be dissipated in time, there is a risk of thermal failure, affecting its performance and lifespan; ④ Difficult maintenance: In case of failure, the outer shell and cables must be disassembled layer by layer, making quick replacement impossible.
[0003] Therefore, there is an urgent need for an integrated, vibration-resistant installation structure with active heat dissipation capabilities to improve the reliability and maintenance efficiency of UAV power systems. Summary of the Invention
[0004] To address the technical problems existing in the background art, this application proposes an ESC mounting structure for UAV motors, which features easy installation and disassembly, high stability, and good heat dissipation performance.
[0005] To achieve the above objectives, this application provides the following solution:
[0006] A motor ESC mounting structure for a drone includes:
[0007] The arm has a hollow structure to house the motor and ESC;
[0008] A motor ESC mounting bracket is fixedly connected to the machine arm and is used to fix the motor and the ESC.
[0009] A motor ESC mounting slot is provided on the upper surface of the machine arm for fixing the machine arm and the motor ESC mounting slot.
[0010] The motor ESC mounting base is provided with a plurality of first mounting holes, and the machine arm is provided with a second mounting hole corresponding to each of the first mounting holes of the motor ESC mounting base. The second mounting hole is used to pre-embed rivet nuts.
[0011] The motor and ESC mounting base, which has already been fixed to the motor and the ESC, is placed in the mounting groove of the motor and ESC mounting base. The motor and ESC mounting base is then fixed to the rivet nut position on the machine arm by passing bolts through the first mounting hole and the second mounting hole, thus completing the installation and fixing of the motor and the ESC.
[0012] In the technical solution of this application, a further improvement is that both the robotic arm and the motor ESC mounting base are integrally molded composite structures; the hollow structure of the robotic arm is provided with a cable routing groove for placing cables.
[0013] A further improvement in the technical solution of this application is that a propeller mounting base is provided on the output shaft of the motor, and the propeller is mounted on the propeller mounting base by bolts.
[0014] In the technical solution of this application, a further improvement is that the ESC is connected to the motor and the flight controller of the UAV via a cable, the cable is laid inside the arm, and the inner wall of the arm is fitted with a nylon sheath for fixing the cable.
[0015] A further improvement to the ESC is that a heat sink is provided on the surface of the ESC to improve the heat dissipation efficiency of the ESC.
[0016] In the technical solution of this application, a further improvement is that, during installation, the motor and the ESC with the heat sink fixed are first fixed to the motor ESC mounting base with bolts, and the ESC is connected to the motor through a cable. The motor ESC mounting base is then fixed in the motor ESC mounting base mounting groove of the arm with bolts. Finally, the propeller is installed on the propeller mounting base of the motor.
[0017] During disassembly, first remove the propeller from the propeller mounting bracket of the motor, then remove the fixing bolts of the motor ESC mounting bracket and take it out from the mounting slot of the motor ESC mounting bracket on the arm. The entire motor ESC mounting bracket, the motor, and the ESC can then be removed. Finally, disassemble the motor ESC, and the entire disassembly process is complete.
[0018] The beneficial effects of the technical solution in this application are as follows:
[0019] Easy installation and disassembly: The motor and ESC mounting bracket is fixed to the motor and ESC with bolts, and the motor and ESC mounting bracket is fixed to the machine arm with bolts. No need to use multiple tools, the installation and disassembly of the motor and ESC can be completed quickly, saving time and effort.
[0020] Modular maintenance: The motor and ESC are pre-integrated into the mounting base, reducing overall replacement time.
[0021] High stability: The motor and ESC mounting base and the arm are connected and securely through a composite material molding structure design. During the drone's flight, the motor and ESC are not prone to loosening due to vibration or other reasons, thus ensuring the drone's flight safety.
[0022] Excellent heat dissipation performance: The airflow on the upper surface of the motor ESC mounting base can directly blow onto the ESC's heat sink during flight, which can effectively improve the heat dissipation efficiency of the motor and ESC and extend their service life. Attached Figure Description
[0023] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0024] Figure 1 A schematic diagram of the overall structure of an ESC mounting structure for a drone motor provided by this utility model;
[0025] Figure 2 A schematic diagram of a motor ESC mounting base structure for a drone motor ESC mounting structure provided by this utility model;
[0026] Figure 3 A schematic diagram of the installation position of the motor ESC mounting base for a drone motor ESC mounting structure provided by this utility model;
[0027] Figure 4 A schematic diagram showing the installation positions of the motor and ESC on a motor and ESC mounting base for a drone motor and ESC mounting structure provided by this utility model;
[0028] Figure 5 A schematic diagram of the arm of a drone motor ESC mounting structure provided by this utility model at the motor ESC mounting base;
[0029] Figure 6 This is a partial schematic diagram of the overall installation of an ESC mounting structure for a drone motor provided by this utility model.
[0030] Explanation of the labels in the diagram:
[0031] (1) Arm; (2) Motor ESC mounting base; (3) Motor; (4) ESC; (5) Second mounting hole; (6) Fixing bolt; (7) Motor ESC mounting base mounting slot; (8) First mounting hole; (9) Cable tray; (10) Heat sink; (11) Propeller. Detailed Implementation
[0032] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.
[0033] To make the above-mentioned objectives, features and advantages of this application more apparent and understandable, the application will be further described in detail below with reference to the accompanying drawings and specific embodiments.
[0034] Combination Figures 1-6 One specific embodiment provided in this application is a UAV motor ESC mounting structure, comprising:
[0035] Machine arm (1): The machine arm (1) is a composite integral molding structure; the machine arm (1) is a hollow structure, and the hollow structure of the machine arm is provided with a cable routing groove (9) for fixing cables, and the upper surface of the machine arm (1) is provided with a motor ESC mounting base mounting groove (7).
[0036] The motor ESC mounting base (2) is provided with six first mounting holes (8). The arm (1) is provided with a second mounting hole (5) corresponding to each of the first mounting holes (8) on the motor ESC mounting base (2). The second mounting hole (5) is used to pre-embed rivet nuts.
[0037] Motor ESC mounting base (2): The motor ESC mounting base (2) is a composite material integral molding structure; the motor ESC mounting base (2) is fixed to the rivet nut position of the arm (1) by fixing bolts (6);
[0038] Motor (3): A propeller mounting base (9) is provided on the output shaft of the motor (3), and the propeller (11) is mounted on the propeller mounting base (9) by bolts.
[0039] ESC (4): The ESC (4) is connected to the motor (3) and the flight controller of the UAV via cables. The cables are laid inside the arm (1), and the inner wall of the arm (1) is fitted with a nylon sheath for securing the cables. The surface of the ESC (4) is provided with heat sinks (10) to improve the heat dissipation efficiency of the ESC (4).
[0040] The installation process is as follows: fix the ESC (4) to the motor ESC mounting base (2) with screws, and tilt the fins of the heat sink (10) towards the head of the drone; insert the output shaft of the motor (3) into the center hole of the motor ESC mounting base (2) and lock the axial position with a stop pin; push the motor ESC mounting base (2) into the motor ESC mounting base mounting slot (7) of the arm, and connect the ESC (4) to the motor (3) with a cable. The cable is routed through the cable tray (9) in the arm (1) and fixed with a nylon sleeve embedded in the inner wall of the arm; then, fix the motor ESC mounting base (2) in the motor ESC mounting base mounting slot (7) of the arm (1) with bolts; finally, install the propeller (11) on the propeller mounting base of the motor (3).
[0041] The disassembly process is as follows: First, remove the propeller from the propeller mounting base (9) of the motor (3). Then, remove the fixing bolts of the motor ESC mounting base (2) and take it out from the motor ESC mounting base mounting slot (7) of the arm (1). The entire motor ESC mounting base (2) and the motor (3) and ESC (4) fixed on the motor ESC mounting base (2) can be taken out. Finally, disassemble the motor (3) and ESC (4). The entire disassembly process is completed.
[0042] It is worth mentioning that the illustrations provided in this application are only one application example of the organization, including but not limited to the models shown in the illustrations.
[0043] In the description of this application, it should be understood that the terms "upper", "lower", "opposite", "relative", "surface", "inner", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.
[0044] It should be noted that in this paper, relational terms such as first and second are used only 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.
[0045] The embodiments described above are merely preferred embodiments of this application and are not intended to limit the scope of this application. Any modifications and improvements made to the technical solutions of this application by those skilled in the art without departing from the spirit of this application shall fall within the protection scope defined by the claims of this application.
Claims
1. A mounting structure for an electric motor ESC of a drone, characterized in that, include: The arm has a hollow structure to house the motor and ESC; A motor ESC mounting bracket is fixedly connected to the machine arm and is used to fix the motor and the ESC. A motor ESC mounting slot is provided on the upper surface of the machine arm for fixing the machine arm and the motor ESC mounting slot. The motor ESC mounting base is provided with a plurality of first mounting holes, and the machine arm is provided with a second mounting hole corresponding to each of the first mounting holes of the motor ESC mounting base. The second mounting hole is used to pre-embed rivet nuts. The motor and ESC mounting base, which has already been fixed to the motor and the ESC, is placed in the mounting groove of the motor and ESC mounting base. The motor and ESC mounting base is then fixed to the rivet nut position on the machine arm by passing bolts through the first mounting hole and the second mounting hole, thus completing the installation and fixing of the motor and the ESC.
2. The UAV motor ESC mounting structure according to claim 1, characterized in that, Both the robotic arm and the motor ESC mounting base are integrally molded composite structures; the hollow structure of the robotic arm has a cable tray inside for placing cables.
3. The UAV motor ESC mounting structure according to claim 2, characterized in that, The ESC is connected to the motor and the flight controller of the UAV via cables, which are laid inside the arm; the surface of the ESC is provided with heat sinks.
4. The UAV motor ESC mounting structure according to claim 3, characterized in that, The motor has a propeller mounting bracket on its output shaft, and the propeller is mounted on the propeller mounting bracket by bolts.
5. The UAV motor ESC mounting structure according to claim 4, characterized in that, During installation, first fix the motor and the ESC with the heat sink fixed on it to the motor ESC mounting base with bolts, and connect the ESC to the motor with a cable. Then fix the motor ESC mounting base in the mounting slot of the motor ESC mounting base on the arm with bolts. Finally, install the propeller on the propeller mounting base of the motor.
6. The UAV motor ESC mounting structure according to claim 5, characterized in that, During disassembly, first remove the propeller from the propeller mounting bracket of the motor, then remove the fixing bolts of the motor ESC mounting bracket and take it out from the mounting slot of the motor ESC mounting bracket on the arm. The entire motor ESC mounting bracket, the motor, and the ESC can then be removed. Finally, disassemble the motor ESC, and the entire disassembly process is complete.