阅读说明：本技术 一种无人机电机冷却的方法 (Method for cooling motor of unmanned aerial vehicle ) 是由 刘滔 邱建伟 黄中胜 于 2020-12-09 设计创作，主要内容包括：本发明公开了一种无人机电机冷却的方法,包括安装在无人机机壁表面的冷却片,在冷却片与无人机电机外壳表面设置一个热管；无人机的热量通过与电机外壳相连的热管导到无人机机臂表面的翅片上；螺旋桨旋转会产生向下的气流,气流会经过无人机机臂,气流经过无人机机臂表面的冷却片将电机热量带走,此无人机电机冷却的方法,不需要液冷系统,减轻了无人机的整体重量,提高了无人机的飞行时间。本方通过热管导热到机臂上,不需要消耗无人机电能,并且冷却效率高。(The invention discloses a method for cooling a motor of an unmanned aerial vehicle, which comprises a cooling fin arranged on the surface of the wall of the unmanned aerial vehicle, wherein a heat pipe is arranged on the cooling fin and the surface of the shell of the unmanned aerial vehicle; the heat of the unmanned aerial vehicle is conducted to fins on the surface of the arm of the unmanned aerial vehicle through a heat pipe connected with the motor shell; the screw is rotatory can produce decurrent air current, and the air current can be through the unmanned aerial vehicle horn, and the air current takes away the motor heat through the cooling fin on unmanned aerial vehicle horn surface, and this unmanned aerial vehicle motor cooling's method does not need the liquid cooling system, has alleviateed unmanned aerial vehicle's whole weight, has improved unmanned aerial vehicle's flight time. This side is through on heat pipe heat conduction arrives the horn, need not consume the unmanned aerial vehicle electric energy to cooling efficiency is high.)

1. A method for cooling an unmanned aerial vehicle motor comprises cooling fins installed on the surface of a wall of the unmanned aerial vehicle, and is characterized in that: arranging a heat pipe on the surface of the cooling fin and the shell of the unmanned aerial vehicle;

the heat of the unmanned aerial vehicle is conducted to fins on the surface of the arm of the unmanned aerial vehicle through a heat pipe connected with the motor shell;

the screw is rotatory can produce decurrent air current, and the air current can be through the unmanned aerial vehicle horn, and the air current takes away the motor heat through the cooling fin on unmanned aerial vehicle horn surface.

2. The method of claim 1, wherein the method further comprises: the cooling fins are cooling fins.

3. The method of claim 1, wherein the method further comprises: the cooling fins are ceramic chips.

Technical Field

The invention relates to the technical field of unmanned aerial vehicles, in particular to a method for cooling a motor of an unmanned aerial vehicle.

Background

There is a CN2017/081105 patent which discloses a method for cooling an unmanned aerial vehicle motor through liquid cooling, when the temperature of the motor is higher than a set temperature, a motor liquid cooling system is started to cool the motor; the working principle is that the cooling of the motor of the unmanned aerial vehicle generally adopts an air cooling mode, and the existing patent CN2017/081105 adopts a liquid cooling mode to take away heat generated by the motor and reduce the temperature of the motor;

however, in the prior patent CN2017/081105, a liquid cooling system is added to dissipate heat of the motor, and the weight and energy consumption of the unmanned aerial vehicle are greatly increased by the liquid cooling system, so that the flight time of the unmanned aerial vehicle is reduced. Therefore, a method for cooling the motor of the unmanned aerial vehicle is provided.

Disclosure of Invention

The invention aims to provide a method for cooling a motor of an unmanned aerial vehicle, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a method for cooling an unmanned aerial vehicle motor comprises a cooling fin arranged on the surface of the wall of the unmanned aerial vehicle, wherein a heat pipe is arranged on the cooling fin and the surface of the shell of the unmanned aerial vehicle;

the heat of the unmanned aerial vehicle is conducted to fins on the surface of the arm of the unmanned aerial vehicle through a heat pipe connected with the motor shell;

the screw is rotatory can produce decurrent air current, and the air current can be through the unmanned aerial vehicle horn, and the air current takes away the motor heat through the cooling fin on unmanned aerial vehicle horn surface.

Preferably, the cooling fins are cooling fins.

Preferably, the cooling fins are ceramic tiles.

Compared with the prior art, the invention has the beneficial effects that:

the invention provides a new cooling mode for the motor of the unmanned aerial vehicle, and the weight of the unmanned aerial vehicle is not obviously increased, so that the motor cooling system of the unmanned aerial vehicle is simplified, the energy utilization rate and the flight time of the unmanned aerial vehicle are improved, the winding temperature is reduced, the limit value of the output power of the motor is improved, and the motor can output larger shaft power;

according to the radiating method of the unmanned aerial vehicle, a liquid cooling system is not needed, the whole weight of the unmanned aerial vehicle is reduced, and the flight time of the unmanned aerial vehicle is prolonged. This side is through on heat pipe heat conduction arrives the horn, need not consume the unmanned aerial vehicle electric energy to cooling efficiency is high.

Drawings

FIG. 1 is a schematic diagram of the principles of the present invention;

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a technical scheme that: a method for cooling an unmanned aerial vehicle motor comprises a cooling fin arranged on the surface of the wall of the unmanned aerial vehicle, wherein a heat pipe is arranged on the cooling fin and the surface of the shell of the unmanned aerial vehicle;

the heat of the unmanned aerial vehicle is conducted to fins on the surface of the arm of the unmanned aerial vehicle through a heat pipe connected with the motor shell;

the screw is rotatory can produce decurrent air current, and the air current can be through the unmanned aerial vehicle horn, and the air current takes away the motor heat through the cooling fin on unmanned aerial vehicle horn surface.

The cooling fins are cooling fins.

The cooling fins are ceramic chips.

The working principle is as follows: the heat of the motor is conducted to the metal fins on the surface of the machine arm through the heat pipe, and then the heat is taken away through the airflow of the propeller, so that the temperature of the motor is reduced;

cooling fins are arranged on the surface of a horn of the unmanned aerial vehicle, one end of a heat pipe is connected with the fins on the surface of the horn, and the other end of the heat pipe is connected with the surface of a shell of the unmanned aerial vehicle;

the heat of the unmanned aerial vehicle is conducted to fins on the surface of the arm of the unmanned aerial vehicle through a heat pipe connected with the motor shell;

the rotation of screw can produce the downward air current, and the air current can pass through the unmanned aerial vehicle horn. The air current takes away the motor heat through the ceramic chip on the surface of the unmanned aerial vehicle horn to reduce the motor temperature and make the motor operate in a reasonable temperature range.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.