CN219181287U - Waterproof cover of motor and unmanned aerial vehicle driving motor - Google Patents

Abstract

The utility model relates to the technical field of unmanned aerial vehicles, in particular to a waterproof motor cover and an unmanned aerial vehicle driving motor. The waterproof motor cover comprises a cover shell, wherein a plurality of protruding structures are uniformly arranged on the side wall of the outer circumference of the cover shell, a plurality of vent holes are formed in the protruding structures, and the included angle between the central axis of each vent hole and the bottom surface of the cover shell is 5-85 degrees. And then form the passageway that switches on the air current with outside in the inside of motor, when the motor operation, the inside air current that forms can take out the heat, has avoided the rainwater to get into the inside condition of motor simultaneously for the motor can effectively improve radiating performance when having waterproof performance.

Description

Waterproof cover of motor and unmanned aerial vehicle driving motor

Technical Field

The utility model relates to the technical field of unmanned aerial vehicles, in particular to a waterproof motor cover and an unmanned aerial vehicle driving motor.

Background

Unmanned aerial vehicles are unmanned planes operated by using radio remote control equipment and self-contained program control devices, and are widely applied to the military and civil fields. Unmanned aerial vehicles are various, and mainly comprise fixed wing unmanned aerial vehicles, flapping wing unmanned aerial vehicles, multi-rotor unmanned aerial vehicles and the like. The multi-rotor unmanned aerial vehicle is simple to operate and control, high in reliability, capable of taking off and landing vertically without a runway, and capable of hovering in the air after taking off, so that the multi-rotor unmanned aerial vehicle is widely applied to various fields relative to a fixed-wing unmanned aerial vehicle and a flapping-wing unmanned aerial vehicle.

On unmanned aerial vehicle's driving motor, can install a waterproof housing additional for the motor generally and prevent that the rainwater from entering into the inside of motor, although it has satisfied waterproof requirement, but after the housing seals motor housing, the heat that motor winding produced can't be by the air convection discharge, makes motor heat dispersion reduce, and then can influence the normal use of motor, reduces the life-span of motor.

Disclosure of Invention

The utility model provides a waterproof cover of a motor and a driving motor of an unmanned aerial vehicle, which are used for solving the problem that the heat dissipation performance of the unmanned aerial vehicle is reduced when the unmanned aerial vehicle is waterproof in the prior art.

In order to solve the problems, in a first aspect, the utility model provides a waterproof motor cover, which comprises a cover shell, wherein a plurality of protruding structures are uniformly arranged on the side wall of the outer circumference of the cover shell, a plurality of vent holes are formed in the protruding structures, and the included angle between the central axis of each vent hole and the bottom surface of the cover shell is 5-85 degrees.

In a preferred embodiment, according to the first aspect, the central axis of the vent hole forms an angle of 30 degrees with the bottom surface of the cover.

In a preferred embodiment, according to the first aspect, 6 protruding structures are provided on the outer circumferential side wall of the cover shell, and 6 protruding structures are provided in pairs.

In a second aspect, the utility model further provides an unmanned aerial vehicle driving motor, which comprises any one of the motor waterproof covers in the scheme.

The beneficial effects of the utility model are as follows: the utility model provides a waterproof motor cover, which comprises a cover shell, wherein a plurality of bulge structures are uniformly arranged on the outer circumferential side wall of the cover shell, a plurality of vent holes are formed in the bulge structures, the central axis of each vent hole is formed at 5-85 degrees with the bottom surface of the cover shell, and then a channel for conducting air flow is formed between the inside and the outside of the motor.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 shows a schematic overall structure of a driving motor;

fig. 2 shows a schematic structural view of the driving motor with the cover removed;

FIG. 3 shows a schematic view of a vent hole formed in a raised structure;

fig. 4 shows a schematic overall structure of the cover case;

fig. 5 shows a schematic view of the overall structure of a lower cover shell according to another embodiment.

Description of main reference numerals:

10-driving a motor; 11-outer rotor; 12-stator; 13-heat dissipation holes; 100-cover shell; 110-a bump structure; 111-vent holes; 112-central axis.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

Referring to fig. 1 and 2, the present utility model provides a waterproof motor cover (hereinafter referred to as a cover) for covering a driving motor 10, the cover includes a cover housing 100, a plurality of protruding structures 110 are uniformly disposed on an outer circumferential sidewall of the cover housing 100, and a plurality of ventilation holes 111 are formed on the protruding structures 110, when the cover housing 100 is covered on the driving motor 10, the ventilation holes 111 are communicated with an inner space and an outer space of the driving motor 10, and a central axis of the ventilation holes 111 and a bottom surface of the cover housing 100 are formed at a certain angle, and the ventilation holes 111 are formed in a circular shape.

Referring to fig. 3, specifically, the angle between the central axis of the vent hole 111 and the bottom surface of the cover 100 is between 5 degrees and 85 degrees, and the preferred design angle is 30 degrees.

It will be appreciated that in accordance with the Bernoulli principle, if the velocity is large, the pressure is small in the gas flow. The convex structure 110 is designed on the outer circumferential side wall of the cover shell 100, when the air flow passes through the convex structure 110, the speed is increased, the air flow pressure is reduced, the pressure intensity inside the driving motor 10 is greater than the pressure intensity of the convex structure 110, the air flow inside the driving motor 10 is further discharged through the vent hole 111 on the convex structure 110, and then the heat inside the driving motor 10 is taken away, so that the purpose of heat dissipation is achieved. Simultaneously, the air vent 111 is the angle setting with the lid 100 bottom surface, and when the motor was operated, the air current of inside formation can take the heat out, has avoided the rainwater to get into the inside condition of motor simultaneously for the motor can effectively improve radiating performance when having waterproof performance.

It should be explained that, the driving motor 10 includes an outer rotor 11 and a stator 12 (winding), the outer rotor 11 is provided with heat dissipation holes 13 equal to the number of the protruding structures 110, and when the cover 10 is covered on the outer rotor 11, the positions of the protruding structures 110 correspond to the heat dissipation holes 13, so that the heat dissipation performance of the driving motor 10 can be increased.

Referring to fig. 4 and 5, a plurality of protrusion structures 110 may be provided on the outer circumferential sidewall of the cover case 100, and 2 may be provided, or 6 may be provided.

When the cover shell 100 is covered on the driving motor 10, an interference fit mode can be adopted, and a glue sealing mode can be adopted.

The utility model also provides an unmanned aerial vehicle driving motor, which comprises any motor waterproof cover in the scheme, namely any unmanned aerial vehicle driving motor comprises the waterproof cover in the scheme, and the waterproof cover belongs to the scope of the utility model.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (4)

1. The waterproof motor cover is characterized by comprising a cover shell, wherein a plurality of protruding structures are uniformly arranged on the outer circumferential side wall of the cover shell, a plurality of vent holes are formed in the protruding structures, and the included angle between the central axis of each vent hole and the bottom surface of the cover shell is 5-85 degrees.

2. The waterproof motor cover according to claim 1, wherein an included angle between the central axis of the vent hole and the bottom surface of the cover shell is 30 degrees.

3. The waterproof motor cover according to claim 1, wherein 6 protruding structures are arranged on the outer circumferential side wall of the cover shell, and the 6 protruding structures are arranged in a pair of two opposite directions.

4. An unmanned aerial vehicle driving motor, comprising the motor waterproof cover of any one of claims 1 to 3.

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