Battery heat dissipation structure

Abstract

The utility model discloses a battery heat dissipation structure which comprises an unmanned aerial vehicle and a battery arranged in the unmanned aerial vehicle. The unmanned aerial vehicle comprises a fuselage body, a plurality of wings and a top cover. The multiple wings are evenly arranged on the face, away from the top cover, of the fuselage body. A containing cavity is formed in the fuselage body, a gas collecting cavity is formed in the bottom of the containing cavity, and the gas collecting cavity communicates with each wing; the battery is arranged in the accommodating cavity; and the top cover covers the top of the accommodating cavity. The unmanned aerial vehicle is simple in structure, convenient to disassemble, assemble and maintain, good in stability, economical, safe and practical, on the basis that the structure of the unmanned aerial vehicle is not changed, wind generated when the flying fan blades fly is used for heat dissipation, the purposes of heat dissipation and weight reduction are achieved, the heat dissipation performance of a battery loaded on the unmanned aerial vehicle can be greatly improved, and the service life of the unmanned aerial vehicle is prolonged. And the composite material can be applied to fuel cells and power cells, and can well meet the requirements of actual use.

Description

TECHNICAL FIELD

[0001] The utility model belongs to battery technical field especially relates to a battery heat dissipation structure. BACKGROUND

[0002] Fuel cell is a kind of device that chemical energy is directly converted into electric energy, and energy conversion is realized by electrochemical reaction, with the characteristics of high efficiency and environmental protection, can be applied in transportation, fixed power generation and portable power supply etc. With the progress of technology and cost reduction, fuel cell has wide application prospect in clean energy field, especially in transportation and fixed power generation.

[0003] With the development of unmanned aerial vehicle technology, the demand of applying battery to unmanned aerial vehicle is more and more. To apply battery (including fuel cell and lithium battery etc.) to unmanned aerial vehicle, the heat dissipation of battery is crucial. The battery on existing unmanned aerial vehicle generally adopts additional heat dissipation structure for heat dissipation, and the additional heat dissipation device increases the complexity and weight of system, which is difficult to meet the lightweight requirement of unmanned aerial vehicle, and further limits the application of battery in unmanned aerial vehicle direction. SUMMARY

[0004] The utility model embodiment provides a kind of battery heat dissipation structure, to solve the problem that existing unmanned aerial vehicle uses additional heat dissipation structure to heat battery, increases the complexity and weight of system, does not meet the lightweight requirement of unmanned aerial vehicle etc.

[0005] To solve the above technical problem, the utility model embodiment provides a kind of battery heat dissipation structure, including unmanned aerial vehicle and the battery being set in the unmanned aerial vehicle;The unmanned aerial vehicle includes fuselage body, multiple wings and top cover;Multiple wings are evenly arranged on the side of the fuselage body away from the top cover;

[0006] The fuselage body is provided with accommodating cavity, the bottom of the accommodating cavity is provided with gas collection cavity, and the gas collection cavity is respectively communicated with each wing;The battery is arranged in the accommodating cavity;The top cover is covered on the top of the accommodating cavity.

[0007] As a preferred embodiment, the accommodating cavity is communicated with the gas collection cavity;The inner diameter of the gas collection cavity is less than the inner diameter of the accommodating cavity.

[0008] As a preferred embodiment, multiple wings are evenly arranged on the side of the gas collection cavity, and the side is provided with a first opening matched with the wing, and the gas collection cavity is communicated with the corresponding wing through the first opening.

[0009] As a preferred embodiment, each wing is a hollow wing;The wing is arranged one by one with the side.

[0010] As a preferred implementation, each of the wings is provided with a second opening at the bottom of the end away from the air collection cavity; the second opening is in communication with the wing.

[0011] As a preferred implementation, the second opening is an adjustable enlarged air outlet; the two ends of the second opening are protrudingly arranged on the two sides of the wing.

[0012] As a preferred implementation, the width of the second opening is the same as the width of the wing, and the length of the second opening is greater than the width of the wing.

[0013] As a preferred implementation, each wing is provided with a flight fan blade at the bottom of the end away from the air collection cavity; the flight fan blade is arranged on the side of the second opening away from the air collection cavity.

[0014] As a preferred implementation, the air collection cavity is a square-like air collection cavity; the first opening is arranged at the center of the side of the square-like air collection cavity.

[0015] As a preferred implementation, the battery is arranged in the accommodating cavity; the battery is arranged in the air collection cavity.

[0016] As a preferred implementation, the top cover is a streamline top cover; the top cover is provided with a plurality of heat dissipation holes near the area above the accommodating cavity; the plurality of heat dissipation holes are uniformly arranged.

[0017] As a preferred implementation, the heat dissipation holes are in communication with the accommodating cavity.

[0018] As a preferred implementation, the battery is a fuel cell, a lithium ion battery or a sodium ion battery.

[0019] Compared with the prior art, the technical scheme of the embodiment of the present application has the following beneficial effects: the application sets the accommodating cavity on the body of the unmanned aerial vehicle, sets the air collection cavity at the bottom of the accommodating cavity, and arranges the air collection cavity in communication with the accommodating cavity and the wing, so that the air entering from the top cover can be drawn away by the flight fan blade after being heat-dissipated by the battery, heat dissipation is achieved by using the wind during flight of the flight fan blade, the purpose of heat dissipation and weight reduction is achieved, and the battery can be well heat-dissipated. The application realizes effective heat dissipation of the battery by modifying the structure of the unmanned aerial vehicle, does not need to set an additional heat dissipation structure, can reduce the additional heat dissipation structure of the battery, thereby reducing the complexity of the system and the weight of the machine. The structure of the application is simple, convenient to disassemble and assemble, easy to maintain, good in stability, economical, safe, practical, can greatly improve the heat dissipation performance of the battery loaded on the unmanned aerial vehicle without changing the structure of the unmanned aerial vehicle, can be applied to fuel cells and power batteries (such as lithium ion batteries, sodium ion batteries and the like), and well meets the needs of actual use. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the overall structure of a battery heat dissipation structure according to an embodiment of the present invention;

[0022] Figure 2 for Figure 1 A schematic diagram of the internal (including battery) structure of the battery heat dissipation structure;

[0023] Figure 3 for Figure 1 A schematic diagram of the internal structure (excluding the battery) of the battery heat dissipation structure;

[0024] Figure 4 for Figure 1 A schematic diagram of the battery heat dissipation structure from another angle.

[0025] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0026] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of the embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.

[0027] Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0028] Specifically, such as Figures 1 to 4 As shown, this utility model embodiment provides a battery heat dissipation structure, including a drone 10 and a battery 20 disposed within the drone 10; the drone 10 includes a fuselage body 11, a plurality of wings 12 and a top cover 13; the plurality of wings 12 are evenly disposed on the side of the fuselage body 11 away from the top cover 13;

[0029] The fuselage body 11 is provided with a containing cavity 111, the bottom of the containing cavity 111 is provided with a gas collecting cavity 112, the gas collecting cavity 112 is respectively communicated with each wing 12; the battery 20 is arranged in the containing cavity 111; the top cover 13 covers the top of the containing cavity 111.

[0030] As a preferred embodiment, the containing cavity 111 is arranged in communication with the gas collecting cavity 112; the inner diameter of the gas collecting cavity 112 is smaller than the inner diameter of the containing cavity 111. In this way, the stability of the battery containing can be ensured, and the heat dissipation effect of the battery can be ensured.

[0031] As a preferred embodiment, a plurality of wings 12 are uniformly arranged on the side surface 1121 of the gas collecting cavity 112, the side surface 1121 is provided with a first opening A matched with the wing 12, and the gas collecting cavity 112 is arranged in communication with the corresponding wing 12 through the first opening A.

[0032] As a preferred embodiment, each wing 12 is a hollow wing; the wing 12 is arranged in one-to-one correspondence with the side surface 1121.

[0033] As a preferred embodiment, the bottom of the end of each wing 12 away from the gas collecting cavity 112 is provided with a second opening 121; the second opening 121 is arranged in communication with the wing 12.

[0034] As a preferred embodiment, the second opening 121 is an adjustable enlarged air outlet; the two ends of the second opening 121 are protrudingly arranged on both sides of the wing 12. In this way, by adjusting the size of the second opening, the heat dissipation capacity of the battery can be adjusted.

[0035] As a preferred embodiment, the width of the second opening 121 is the same as the width of the wing 12, and the length of the second opening 121 is greater than the width of the wing 12. In this way, the heat dissipation effect of the battery can be effectively ensured.

[0036] As a preferred embodiment, the bottom of the end of each wing 12 away from the gas collecting cavity 112 is provided with a flight fan blade 122; the flight fan blade 122 is arranged on the side of the second opening 121 away from the gas collecting cavity 112. The shape and number of the flight fan blade can be arranged according to the actual use. In this embodiment, one flight fan blade is arranged on one wing, and the flight fan blade includes two symmetrically arranged sub-blades.

[0037] The application sets a containing cavity on the body of the unmanned aerial vehicle, sets a gas collecting cavity at the bottom of the containing cavity, and communicates the gas collecting cavity with the containing cavity and the wing, so that the air entering from the top cover can be taken away by the flight fan after heat dissipation of the battery to battery through the gas collecting cavity and the wing, heat dissipation is achieved by the wind during flight of the flight fan, the purpose of heat dissipation and weight reduction is achieved, and the battery can be well heat dissipated. The application realizes effective heat dissipation of the battery by modification of the structure of the unmanned aerial vehicle, does not need to set an additional heat dissipation structure, can reduce the additional heat dissipation structure of the battery, and thus the complexity of the system and the weight of the machine are reduced.

[0038] As a preferred embodiment, the gas collecting cavity 112 is a square-like gas collecting cavity; and the first opening A is arranged at the center of the side of the square-like gas collecting cavity.

[0039] In the embodiment of the application, the square-like gas collecting cavity has four sides, and one first opening A is arranged on each side, and each first opening A is arranged in communication with one wing 12.

[0040] As a preferred embodiment, the battery 20 is arranged in correspondence with the containing cavity 111; and the battery 20 is arranged in correspondence with the gas collecting cavity 112. In this way, the stability of the battery can be ensured, and the space can be effectively saved, so as to reduce the weight of the unmanned aerial vehicle.

[0041] As a preferred embodiment, the top cover 13 is a streamlined top cover; a plurality of heat dissipation holes 131 are arranged on the region near the top of the containing cavity 111 of the top cover 13; and the plurality of heat dissipation holes 131 are uniformly arranged. The top cover is arranged in a streamlined manner, so that the wind resistance can be effectively reduced; the air enters the containing cavity from the heat dissipation holes of the top cover, so that the battery in the containing cavity can be effectively heat dissipated. The diameter, shape and number of the heat dissipation holes 131 can be set according to actual needs.

[0042] The heat dissipated air enters the gas collecting cavity through the containing cavity, flows out through the first opening in the gas collecting cavity, and flows out to the outside of the unmanned aerial vehicle through the second opening after passing through the wing.

[0043] The gas collecting cavity is arranged in the middle of the bottom of the body (i.e. the bottom of the containing cavity), so that the problem of inconsistent air outlet of each first opening and uneven heat dissipation due to the need to adjust the wind speed of each flight fan when the unmanned aerial vehicle changes the flight attitude can be prevented. Concentrating the air outlet (first opening) in the gas collecting cavity can solve the above problems. After the gas enters the gas collecting cavity, the gas enters the four wings from the four air outlets (first openings) of the gas collecting cavity, the inside of the wing is hollow, the gas can pass through quickly, and the weight of the machine body can be effectively reduced.

[0044] After the gas passes through the wing, the gas is extracted by the flight fan from a second opening (enlarged gas outlet) at the end of the wing, and the size of the second opening can be adjusted according to actual needs. By adjusting the size of the second opening, the heat dissipation capacity of the battery can be adjusted. The overall heat dissipation capacity is determined by the flight fan.

[0045] As a preferred embodiment, the heat dissipation holes 131 are arranged in communication with the accommodating cavity 111. In this way, by the plurality of heat dissipation holes of the top cover, air enters the accommodating cavity from the heat dissipation holes, and the battery in the accommodating cavity can be effectively cooled.

[0046] As a preferred embodiment, the battery 20 is a fuel cell, a lithium ion battery or a sodium ion battery. According to actual needs, the battery 20 can be a fuel cell, a lithium ion battery, a sodium ion battery or other types of batteries. Specifically, in this embodiment, the battery 20 is a fuel cell.

[0047] The structure of the present application is simple, easy to disassemble and maintain, stable, economical, safe and practical, and can greatly improve the heat dissipation performance of the unmanned aerial vehicle battery without changing the structure of the unmanned aerial vehicle. It can be applied to fuel cells and power batteries (such as lithium ion batteries, sodium ion batteries, etc.), and can well meet the needs of actual use.

[0048] The above only describes the preferred embodiments of the present application, and is not intended to limit the present application. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A battery heat dissipation structure, characterized by, The unmanned aerial vehicle and the battery arranged in the unmanned aerial vehicle; the unmanned aerial vehicle comprises a fuselage body, a plurality of wings and a top cover; the plurality of wings are evenly arranged on one side of the fuselage body away from the top cover; The fuselage body is provided with a containing cavity, and the bottom of the containing cavity is provided with a gas collecting cavity which is in communication with each wing respectively; the battery is arranged in the containing cavity; and the top cover covers the top of the containing cavity.

2. The battery heat dissipation structure according to claim 1, characterized by, The containing cavity is in communication with the gas collecting cavity; and the inner diameter of the gas collecting cavity is smaller than that of the containing cavity.

3. The battery heat dissipation structure according to claim 1, characterized by, The plurality of wings are evenly arranged on the side of the gas collecting cavity, and the side is provided with a first opening matched with the wings, and the gas collecting cavity is in communication with the corresponding wings through the first opening.

4. The battery heat dissipation structure according to claim 3, characterized by, Each wing is a hollow wing; and the wings are arranged in one-to-one correspondence with the side.

5. The battery heat dissipation structure according to claim 4, characterized by The bottom of one end of each wing away from the gas collecting cavity is provided with a second opening; and the second opening is in communication with the wing.

6. The battery heat dissipation structure according to claim 5, wherein The second opening is an adjustable enlarged air outlet; and the two ends of the second opening are protrudingly arranged on the two sides of the wing.

7. The battery heat dissipation structure according to claim 5, wherein The width of the second opening is the same as the width of the wing, and the length of the second opening is greater than the width of the wing.

8. The battery heat dissipation structure according to claim 5, wherein The bottom of one end of each wing away from the gas collecting cavity is provided with a flight fan blade; and the flight fan blade is arranged on the side of the second opening away from the gas collecting cavity.

9. The battery heat dissipation structure according to claim 3, wherein The gas collecting cavity is a square-like gas collecting cavity; and the first opening is arranged at the center of the side of the square-like gas collecting cavity; The battery is arranged in matching with the containing cavity; and the battery is arranged in matching with the gas collecting cavity; The battery is a fuel cell, a lithium ion battery or a sodium ion battery.

10. The battery heat dissipation structure according to claim 1, characterized by, The top cover is a streamline top cover; the top cover is provided with a plurality of heat dissipation holes near the area above the containing cavity; the plurality of heat dissipation holes are evenly arranged; and the heat dissipation holes are in communication with the containing cavity.

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