Unmanned aerial vehicle motor rotor disc heat dissipation structure
By optimizing the heat dissipation structure of the drone motor rotor disk, adopting heat dissipation channels and fin designs, and combining improvements to the retaining ring and propeller shaft, the problem of difficult heat dissipation of the motor was solved, achieving efficient heat dissipation and structural simplification.
Patent Information
- Application Number
- CN202520143099.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-01-21
AI Technical Summary
The existing heat dissipation methods for drone motors have not been effectively optimized, resulting in heat not being dissipated in time and affecting motor performance.
A circular rotor disk was designed with multiple heat dissipation channels on the side and fan-shaped heat dissipation fins at the bottom. Combined with the optimized design of the retaining ring and propeller shaft, the traditional propeller shaft was eliminated and the propeller shaft was directly installed to form an air duct to dissipate heat.
Centrifugal airflow can effectively remove heat from the motor, reducing weight, simplifying the structure, improving heat dissipation efficiency, and reducing assembly complexity.
Smart Images
Figure CN223858991U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to unmanned plane technical field, especially relate to a unmanned plane motor rotor disc heat radiation structure. BACKGROUND
[0002] The motor as the key spare part of unmanned plane needs to be able to adapt to various severe working scenes and performance requirements. At present, the motor used in the domestic unmanned plane is various, but the heat generated by these motors needs to be quickly dissipated when running, and the heat dissipation mode in the prior art has not been better optimized, so that the heat cannot be smoothly dissipated. UTILITY MODEL CONTENTS
[0003] Therefore, the utility model aims at the deficiency of prior art, provides a unmanned plane motor rotor disc heat radiation structure, and optimizes the design of the heat dissipation structure of the unmanned plane.
[0004] To achieve the above object, the utility model adopts the following technical scheme:
[0005] A unmanned plane motor rotor disc heat radiation structure, including the rotor disc of circular, rotor disc side surface is equipped with a plurality of heat dissipation channels along circumference, the bottom of rotor disc is provided with a plurality of heat dissipation fins that are distributed in the form of fan along the center of circle, and each heat dissipation channel is individually between two adjacent heat dissipation fins.
[0006] In order to better realize the utility model, further optimization is made in the above structure, and a downward extending baffle ring is arranged at the outer edge of the bottom of the rotor disc, and the heat dissipation channel is arranged on the side surface of the baffle ring.
[0007] In order to better realize the utility model, further optimization is made in the above structure, and the heat dissipation channels are evenly arranged on the side surface of the baffle ring along the circumference.
[0008] In order to better realize the utility model, further optimization is made in the above structure, and the number of heat dissipation channels and heat dissipation fins is the same.
[0009] In order to better realize the utility model, further optimization is made in the above structure, and 12 heat dissipation channels and heat dissipation fins are arranged.
[0010] In order to better realize the utility model, further optimization is made in the above structure, and the rotor disc top is vertically provided with a paddle seat shaft.
[0011] In order to better realize the utility model, further optimization is made in the above structure, and the paddle seat shaft is symmetrically arranged on the left and right.
[0012] Compared with the prior art, the utility model has the following beneficial effects:
[0013] The unmanned aerial vehicle motor rotor disc heat dissipation structure provided by the utility model has fan-shaped distributed heat dissipation fins to ensure that the rotor disc has sufficient centrifugal wind power after rotating, and multiple heat dissipation channel holes are arranged on the side surface of the rotor disc to enable the heat generated by the motor to be discharged in time through the air ducts between the heat dissipation fins. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the present utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.
[0015] Fig. 1 is the application structure schematic diagram of the unmanned aerial vehicle motor rotor disc heat dissipation structure of the present utility model;
[0016] Fig. 2 is the top structure schematic diagram of the unmanned aerial vehicle motor rotor disc heat dissipation structure of the present utility model;
[0017] Fig. 3 is the bottom structure schematic diagram of the unmanned aerial vehicle motor rotor disc heat dissipation structure of the present utility model.
[0018] In the drawings:
[0019] 1-rotor disc, 101-heat dissipation channel, 2-heat dissipation fin, 3-paddle shaft, 4-paddle. DETAILED DESCRIPTION
[0020] In order to make the purpose, technical scheme and advantages of the present utility model more clear, the technical scheme of the present utility model will be described in detail below. Obviously, the described embodiments are only some embodiments of the present utility model, not all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present utility model.
[0021] In the description of the utility model, it is necessary to explain that, unless otherwise stated, the meaning of "multiple" is two or more than two;The orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and is not indicative or suggestive of the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are only for descriptive purposes and cannot be understood as indicative or suggestive of relative importance.
[0022] In the description of the utility model, it is also necessary to explain that, unless otherwise stated and limited, the terms "mounting", "connection", "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0023] Please refer to Figs. 1-3 The unmanned aerial vehicle motor rotor disc heat dissipation structure provided by the utility model, including a circular rotor disc 1, a plurality of heat dissipation channels 101 are arranged on the side of the rotor disc 1 along the circumference, a plurality of heat dissipation fins 2 are arranged on the bottom of the rotor disc 1 in a fan shape along the center, each heat dissipation channel 101 is individually arranged between two adjacent heat dissipation fins 2, an air duct is formed between the two heat dissipation fins 2, the heat generated by the motor is dissipated through the air duct and the heat dissipation channel 101, and the heat dissipation fins 2 are vertically arranged on the bottom of the rotor disc 1, thereby enhancing the structural strength and serving as reinforcing ribs.
[0024] In the embodiment, a retaining ring extending downward is arranged at the outer edge of the bottom of the rotor disc 1, and the heat dissipation channels 101 are arranged on the side of the retaining ring. The heat dissipation channels 101 are evenly arranged on the side of the retaining ring along the circumference. The number of the heat dissipation channels 101 is the same as that of the heat dissipation fins 2, and the heat dissipation channels 101 and the heat dissipation fins 2 are sequentially and spacedly arranged, so that an air duct is formed between two adjacent heat dissipation fins 2, the air duct is directly communicated with the heat dissipation channel 101, and the heat generated by the motor can be timely discharged through the air duct between the heat dissipation fins 2. In the embodiment, 12 heat dissipation channels 101 and 12 heat dissipation fins 2 are arranged.
[0025] And the prior art with the paddle 4 connection, is by increasing a paddle seat parts can be connected with the paddle 4, this connection structure exists parts, structure is complex, assembly is difficult, weight increases and so on many problems. The application is provided with two paddle seat shafts 3 vertically arranged on the top of the rotor disc 1, the paddle seat shaft 3 is vertically inserted into the top of the rotor disc 1, without additional paddle seat parts, so that the structure is complex, the weight is heavy, and the problem is solved.
[0026] Working principle:
[0027] When the rotor disc 1 rotates, the bottom heat dissipation fins 2 generate sufficient centrifugal wind power, under the action of the centrifugal wind power, the heat generated by the motor flows outward through the air duct between the heat dissipation fins 2, and then is discharged in time through the heat dissipation channel 101, playing a role of motor heat dissipation and cooling.
[0028] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims
1. A heat dissipation structure for a drone motor rotor disc, comprising a circular rotor disc (1), characterized in that: The rotor disc (1) is provided with a plurality of heat dissipation channels (101) on the side surface along the circumference, and the bottom of the rotor disc (1) is provided with a plurality of heat dissipation fins (2) distributed in a fan shape along the center of the circle, and each heat dissipation channel (101) is individually arranged between two adjacent heat dissipation fins (2).
2. The unmanned aerial vehicle motor rotor disc heat dissipation structure according to claim 1, characterized in that: A downward extending baffle ring is arranged at the outer edge of the bottom of the rotor disc (1), and the heat dissipation channels (101) are arranged on the side surface of the baffle ring.
3. The unmanned aerial vehicle motor rotor disc heat dissipation structure of claim 2, wherein: The heat dissipation channels (101) are uniformly arranged on the side surface of the baffle ring along the circumference.
4. The unmanned aerial vehicle motor rotor disc heat dissipation structure of claim 3, wherein: The number of the heat dissipation channels (101) is the same as that of the heat dissipation fins (2).
5. The unmanned aerial vehicle motor rotor disc heat dissipation structure according to claim 4, characterized in that: Both the heat dissipation channels (101) and the heat dissipation fins (2) are provided with 12.
6. The unmanned aerial vehicle motor rotor disc heat dissipation structure of any one of claims 1-5, wherein: The rotor disc (1) is vertically provided with a paddle seat shaft (3) on the top.
7. The unmanned aerial vehicle motor rotor disc heat dissipation structure of claim 6, wherein: The paddle seat shaft (3) is symmetrically arranged on the left and right.