CN216509054U

CN216509054U - Unmanned aerial vehicle with good thermal diffusivity

Info

Publication number: CN216509054U
Application number: CN202122537475.2U
Authority: CN
Inventors: 洪振宇
Original assignee: Tianjin Huajiezhiyun Technology Co ltd
Current assignee: Tianjin Huajiezhiyun Technology Co ltd
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-05-13
Anticipated expiration: 2031-10-21

Abstract

The utility model discloses an unmanned aerial vehicle with good heat dissipation, which comprises an unmanned aerial vehicle main body, wherein the unmanned aerial vehicle main body comprises an upper central disc and a lower bearing box, the central disc is circular, a bracket is symmetrically welded on the periphery of the central disc, the other end of the bracket is connected with a fixed block, the top of the fixed block is provided with a motor, the top of the motor is provided with a rotating shaft, a propeller is arranged on the rotating shaft, the bearing box is rectangular, a battery pack and a controller are arranged in the bearing box, the bottom plate of the bearing box is a heat dissipation bottom plate, the center of the heat dissipation bottom plate is provided with a plurality of heat dissipation holes, a first heat dissipation fan is arranged around the heat dissipation holes, the motor and the first heat dissipation fan are electrically connected with the controller, and the bottom of the bearing box is connected with a falling frame. Better guard action has been played to the unmanned aerial vehicle group battery, has improved the life of group battery.

Description

Unmanned aerial vehicle with good thermal diffusivity

Technical Field

The utility model relates to the technical field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle with good heat dissipation performance.

Background

An unmanned aircraft, abbreviated as "unmanned aerial vehicle" and abbreviated as "UAV" in english, is an unmanned aircraft operated by a radio remote control device and a self-contained program control device, or autonomously operated by an onboard computer, either completely or intermittently. Unmanned aerial vehicle according to the application, can divide into for military use unmanned aerial vehicle and civilian unmanned aerial vehicle. At present, the unmanned aerial vehicle is applied to the fields of aerial photography, agriculture, plant protection, miniature self-timer, express transportation, disaster relief, wild animal observation, infectious disease monitoring, surveying and mapping, news reporting, power inspection, disaster relief, film and television shooting, the use of the unmanned aerial vehicle is greatly expanded, and developed countries actively expand industrial application and develop unmanned aerial vehicle technology.

Although the unmanned aerial vehicle has no cockpit, an automatic pilot, a program control device, and the like are installed. Personnel on the ground, a naval vessel or a mother aircraft remote control station can track, position, remotely control, telemeter and digitally transmit the personnel through equipment such as a radar, and the unmanned aerial vehicle can take off like a common airplane under the radio remote control or be launched and lifted off by a boosting rocket, and can also be carried to the air by the mother aircraft to launch and fly. During recovery, the aircraft can automatically land in the same way as a common aircraft landing process, and can also be recovered by a remote control parachute or a blocking net, so that the aircraft can be repeatedly used. However, unmanned aerial vehicle's radiating efficiency is lower at present, and ventilation effect is relatively poor, and the condition that often has the inside components and parts of unmanned aerial vehicle to overheat and damage takes place to hinder the normal operating of parts, cause the moving part card to die even when serious, influence flight safety, produce the potential safety hazard. In addition, when unmanned aerial vehicle carried out the operation in the air, the battery can sustain discharge, and battery itself generates heat more seriously, and easy damage, maintenance cost after damaging is too high. Therefore, there is an urgent need to develop an unmanned aerial vehicle with good heat dissipation to solve the above technical problems.

In view of the above, the present invention is particularly proposed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide the unmanned aerial vehicle with good heat dissipation performance, which can prevent components inside the unmanned aerial vehicle from being damaged due to overheating, improve the flight safety of the unmanned aerial vehicle, reduce the potential safety hazard, achieve a better protection effect on an unmanned aerial vehicle battery pack due to the arrangement of the battery cover, prolong the service life of the battery pack, have wide application prospect and are beneficial to popularization and application.

In order to achieve the above object, the present invention provides an unmanned aerial vehicle with good heat dissipation, which comprises a main body of the unmanned aerial vehicle, the unmanned aerial vehicle main body comprises an upper central disc and a lower bearing box, the central disc is circular, the periphery of the bracket is symmetrically welded with a bracket, the other end of the bracket is connected with a fixed block, the top of the fixed block is provided with a motor, the top of the motor is provided with a rotating shaft, the rotating shaft is provided with a propeller, the bearing box is rectangular, the interior of the unmanned aerial vehicle is provided with a battery pack for providing power for the unmanned aerial vehicle to fly and a controller for controlling the whole operation of the unmanned aerial vehicle, the bottom plate of the bearing box is a heat dissipation bottom plate, a plurality of heat dissipation holes are arranged at the center of the heat dissipation bottom plate, a first cooling fan is arranged around the cooling holes, the motor and the first cooling fan are electrically connected with the controller, and the bottom of the bearing box is connected with a falling frame.

Preferably, the top of the battery pack shell is provided with a battery cover, the center of the battery cover is provided with a second cooling fan, one side of the bottom of the battery cover is provided with a driving motor, an output shaft of the driving motor is connected with a chain wheel, the chain wheel is connected with a plurality of rotating shafts in parallel distribution through chains, swinging blades are fixedly connected to the rotating shafts, bearings are sleeved at two ends of the rotating shaft farthest away from the driving motor, the bearings are connected with the battery cover through connecting rods, the bottom of the battery cover is further provided with a temperature sensor, and the temperature sensor, the second cooling fan and the driving motor are all electrically connected with a controller.

Preferably, the bottom of bearing box is connected with the frame that falls through damper, damper is including setting up in the inside recess that extends of descending frame open-top, rigid coupling in the T shape branch of bearing box bottom to and inlay the spring of locating the recess inside, T shape branch inlays and locates in the recess, and inconsistent with the top of spring.

Preferably, the propellers are quad-rotor propellers.

Preferably, the battery pack is fixed to the heat dissipation base plate by a battery pack mounting seat.

Preferably, the heat dissipation holes are long and are distributed in a circular shape.

The unmanned aerial vehicle with good heat dissipation performance provided by the utility model has the following beneficial effects.

1. The battery cover can prevent components inside the unmanned aerial vehicle from being damaged due to overheating, improves the flight safety of the unmanned aerial vehicle, reduces potential safety hazards, has a better protection effect on the battery pack of the unmanned aerial vehicle due to the arrangement of the battery cover, prolongs the service life of the battery pack, has wide application prospect, and is beneficial to popularization and application.

2. The arrangement of the heat dissipation bottom plate can effectively protect components in the unmanned aerial vehicle, prevent the components from being damaged due to overheating, ensure the normal operation of the components, and improve the service life of the components and the flight safety of the unmanned aerial vehicle.

3. The battery cover is additionally provided with the second cooling fan, so that the cooling effect of the battery pack is improved, meanwhile, the cooling effect can be further improved through the swinging blade with the angle adjustable at the bottom of the battery cover, and the battery cover has double regulating and controlling cooling effects.

Drawings

Fig. 1 is a top view of an unmanned aerial vehicle with good heat dissipation provided by the present invention;

fig. 2 is a cross-sectional view of an unmanned aerial vehicle with good heat dissipation provided by the utility model;

FIG. 3 is a schematic view of the shock absorbing mechanism of FIG. 2-A;

fig. 4 is a schematic structural diagram of a heat dissipation bottom plate of an unmanned aerial vehicle with good heat dissipation performance provided by the utility model;

fig. 5 is a schematic diagram of a battery pack structure of an unmanned aerial vehicle with good heat dissipation performance provided by the utility model.

In the figure:

1. the unmanned aerial vehicle comprises an unmanned aerial vehicle main body 2, a central disc 3, a bearing box 4, a landing frame 5, a battery pack 501, a battery cover 502, a driving motor 503, a chain wheel 504, a swinging vane 505, a chain 506, a second radiator fan 507, a temperature sensor 508, a connecting rod 6, a radiator base plate 602, a radiator hole 601, a first radiator fan 7, a propeller 8, a damping mechanism 801, a T-shaped supporting rod 802, a spring 803, a groove 9, a battery pack mounting seat 10, a support 11, a fixing block 12, a motor 13, a rotating shaft 14 and a controller.

Detailed Description

The present invention will be further described with reference to the following specific embodiments and accompanying drawings to assist in understanding the contents of the utility model.

As shown in fig. 1-2, there are respectively a top view and a cross-sectional view of an unmanned aerial vehicle with good heat dissipation provided by the present invention. This unmanned aerial vehicle with good thermal diffusivity includes unmanned aerial vehicle main part 1, unmanned aerial vehicle main part 1 includes the centre disk 2 of top and the bearing box 3 of below, centre disk 2 is circularly, and its circumference symmetry welding has support 10, the other end of support 10 is connected with fixed block 11, motor 12 is installed at the top of fixed block 11, the top of motor 12 is equipped with pivot 13, install screw 7 in the pivot 13, screw 7 is the four rotor screw. Bearing box 3 is the rectangle, and its inside installation has the group battery 5 that provides power for unmanned aerial vehicle flight and controls unmanned aerial vehicle overall operation's controller 14, the bottom plate of bearing box 3 is heat dissipation bottom plate 6.

As shown in fig. 4, a schematic view of a heat dissipation bottom plate structure of an unmanned aerial vehicle with good heat dissipation performance provided by the present invention is shown; a plurality of heat dissipation holes 602 are formed in the center of the heat dissipation bottom plate 6, and the heat dissipation holes 602 are long and are circularly distributed. A first cooling fan 601 is arranged around the cooling hole 602, the motor 12 and the first cooling fan 601 are electrically connected with the controller 14, and the bottom of the carrying box 3 is connected with the falling frame 4. The arrangement of the heat dissipation bottom plate 6 can effectively protect components in the unmanned aerial vehicle, prevent the components from being damaged due to overheating, ensure the normal operation of the components, and improve the service life of the components and the flight safety of the unmanned aerial vehicle.

As shown in fig. 5, a schematic diagram of a battery pack structure of an unmanned aerial vehicle with good heat dissipation performance is provided in the present invention. The battery pack comprises a battery cover 501 arranged at the top of a shell of the battery pack 5, a second cooling fan 506 is arranged at the center of the battery cover 501, a driving motor 502 is installed at one side of the bottom of the battery cover 501, an output shaft of the driving motor 502 is connected with a chain wheel 503, the chain wheel 503 is connected with a plurality of rotating shafts distributed in parallel through a chain 505, a swinging blade 504 is fixedly connected to each rotating shaft, bearings (not shown in the figure) are sleeved at two ends of the rotating shaft farthest away from the driving motor 502, the bearings are connected with the battery cover 501 through a connecting rod 508, a temperature sensor 507 is further arranged at the bottom of the battery cover 501, and the temperature sensor 507, the second cooling fan 506 and the driving motor 502 are electrically connected with a controller 14. The battery pack 5 is fixed on the heat dissipation bottom plate 6 through a battery pack mounting seat 9. The second cooling fan 506 is added on the battery cover 501, so that the cooling effect of the battery pack 5 is improved, meanwhile, the cooling effect can be further improved through the angle-adjustable swinging blade 504 at the bottom of the battery cover 501, and the battery cover has double regulating and controlling cooling effects.

The bottom of the carrying box 3 is connected with a falling frame 4 through a damping mechanism, as shown in fig. 3, which is a schematic structural diagram of the damping mechanism shown in fig. 2-a. The damping mechanism 8 comprises a groove 803 which is arranged on the top of the falling frame 4 and extends inwards, a T-shaped supporting rod 801 which is fixedly connected to the bottom of the bearing box 3, and a spring 802 which is embedded in the groove 803, wherein the T-shaped supporting rod 801 is embedded in the groove 803 and is abutted to the top end of the spring 802.

The battery cover 501 is arranged, so that the battery pack 5 of the unmanned aerial vehicle is well protected, the service life of the battery pack 5 is prolonged, the battery cover has wide application prospect, and popularization and application are facilitated.

The present invention has been described in detail with reference to specific embodiments, which are provided to assist in understanding the core concepts of the present invention. It should be understood that any obvious modifications, equivalents and other improvements made by those skilled in the art without departing from the spirit of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides an unmanned aerial vehicle with good thermal diffusivity, a serial communication port, including the unmanned aerial vehicle main part, the unmanned aerial vehicle main part includes the spider of top and the bearing box of below, the spider is circularly, and its all around symmetrical welding has the support, the other end of support is connected with the fixed block, the motor is installed at the top of fixed block, the top of motor is equipped with the pivot, install the screw in the pivot, bearing box is the rectangle, and its internally mounted has the group battery that provides power for unmanned aerial vehicle flight and the controller of the whole operation of control unmanned aerial vehicle, bearing box's bottom plate is radiating bottom plate, radiating bottom plate's center department is equipped with a plurality of louvres, be equipped with radiator fan one around the louvre, motor, radiator fan one all with controller electric connection, bearing box's bottom is connected with the frame that falls.

2. The unmanned aerial vehicle with good heat dissipation performance as claimed in claim 1, wherein a battery cover is disposed on a top of the battery pack housing, a second heat dissipation fan is disposed at a center of the battery cover, a driving motor is mounted on one side of a bottom of the battery cover, an output shaft of the driving motor is connected to a sprocket, the sprocket is connected to a plurality of rotating shafts distributed in parallel through a chain, a swing blade is fixedly connected to the rotating shaft, bearings are sleeved on two ends of a rotating shaft farthest from the driving motor, the bearings are connected to the battery cover through a connecting rod, a temperature sensor is further disposed on the bottom of the battery cover, and the temperature sensor, the second heat dissipation fan and the driving motor are electrically connected to the controller.

3. The unmanned aerial vehicle with good heat dissipation performance as claimed in claim 2, wherein the bottom of the carrying case is connected to the landing frame through a damping mechanism, the damping mechanism includes a groove extending inward from a top opening of the landing frame, a T-shaped strut fixed to the bottom of the carrying case, and a spring embedded inside the groove, and the T-shaped strut is embedded in the groove and abuts against a top end of the spring.

4. The drone with good heat dissipation of claim 3, wherein the propellers are quad-rotor propellers.

5. The unmanned aerial vehicle with good heat dissipation performance of claim 4, wherein the battery pack is fixed on the heat dissipation bottom plate through a battery pack mounting seat.

6. An unmanned aerial vehicle with good heat dissipation performance as claimed in claim 5, wherein the heat dissipation holes are long and are distributed in a circular shape.