Battery heat dissipation structure

Abstract

The invention 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 invention belongs to the technical field of batteries, and in particular relates to a battery heat dissipation structure. Background Art

[0002] A fuel cell is a device that converts chemical energy directly into electrical energy. It achieves energy conversion through electrochemical reactions. It is highly efficient and environmentally friendly and can be used in transportation, fixed power generation, portable power sources, and other fields. With technological advances and cost reductions, fuel cells have broad application prospects in the field of clean energy, especially in transportation and fixed power generation.

[0003] With the development of drone technology, there is an increasing demand for batteries to be used in drones. To apply batteries (including fuel cells and lithium batteries, etc.) to drones, heat dissipation of the batteries is crucial. Batteries on existing drones generally use additional heat dissipation structures for heat dissipation. Additional heat dissipation devices increase the complexity and weight of the system, making it difficult to meet the requirements of lightweight drones, thereby limiting the application of batteries in drones. Summary of the invention

[0004] The embodiment of the present invention provides a battery heat dissipation structure, aiming to solve the problems that the existing UAV uses an additional heat dissipation structure to dissipate the heat of the battery, which increases the complexity and weight of the system and does not meet the lightweight requirements of the UAV.

[0005] In order to solve the above technical problems, an embodiment of the present invention provides a battery heat dissipation structure, including a drone and a battery arranged in the drone; the drone includes a fuselage body, a plurality of wings and a top cover; the plurality of wings are evenly arranged on a surface of the fuselage body away from the top cover;

[0006] A accommodating cavity is arranged in the fuselage body, a gas collecting cavity is arranged at the bottom of the accommodating cavity, and the gas collecting cavity is connected with each wing respectively; the battery is arranged in the accommodating cavity; and the top cover is covered on the top of the accommodating cavity.

[0007] As a preferred embodiment, the accommodating chamber is communicated with the gas collecting chamber; the inner diameter of the gas collecting chamber is smaller than the inner diameter of the accommodating chamber.

[0008] As a preferred embodiment, a plurality of the wings are evenly arranged on the side of the air collecting cavity, a first opening adapted to the wing is provided on the side, and the air collecting cavity is connected to the corresponding wing through the first opening.

[0009] As a preferred embodiment, each of the wings is a wing with a hollow interior; the wings are arranged in a one-to-one correspondence with the side surfaces.

[0010] As a preferred embodiment, a second opening is provided at the bottom of each wing at one end away from the air collecting cavity; and the second opening is connected to the wing.

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

[0012] As a preferred embodiment, 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 embodiment, each wing is provided with a flying blade at the bottom of one end away from the air collecting cavity; the flying blade is provided on the side of the second opening away from the air collecting cavity.

[0014] As a preferred embodiment, the gas collecting cavity is a quasi-square gas collecting cavity; the first opening is arranged at the center of a side surface of the quasi-square gas collecting cavity.

[0015] As a preferred embodiment, the battery is adapted to be disposed in the accommodating cavity; the battery is adapted to be disposed in the gas collecting cavity.

[0016] As a preferred embodiment, the top cover is a streamlined top cover; a plurality of heat dissipation holes are arranged in an area of ​​the top cover close to the upper part of the accommodating cavity; and the plurality of heat dissipation holes are evenly arranged.

[0017] As a preferred embodiment, the heat dissipation hole is connected to the accommodating cavity.

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

[0019] Compared with the prior art, the technical solution of the embodiment of the present invention has the following beneficial effects: the present application sets a containing cavity on the fuselage of the drone, sets a gas collecting cavity at the bottom of the containing cavity, and connects the gas collecting cavity with the containing cavity and the wing, so that the air entering from the top cover can be drawn away by the flying blades through the gas collecting cavity and the wing after the air is discharged along the battery to dissipate the heat of the battery, and the wind when the flying blades are flying is used to dissipate the heat, so as to achieve the purpose of both dissipating the heat and reducing the weight, and can dissipate the heat of the battery well. The present application realizes the effective heat dissipation of the battery by modifying the structure of the drone, and does not need to set up an additional heat dissipation structure, which can reduce the additional heat dissipation structure of the battery, thereby reducing the complexity of the system and the weight of the machine. The present application has a simple structure, is easy to disassemble and assemble, is easy to maintain, has good stability, is economical, safe and practical, can greatly improve the heat dissipation performance of the battery loaded on the drone without changing the structure of the drone, can be applied to fuel cells and power batteries (such as lithium-ion batteries, sodium-ion batteries, etc.), and well meets the needs of actual use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0021] Figure 1 It 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 Schematic diagram of the internal structure (including battery) of the battery heat dissipation structure;

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

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

[0025] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0026] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0028] Specifically, Figures 1 to 4 As shown, an embodiment of the present invention provides a battery heat dissipation structure, including a drone 10 and a battery 20 disposed in 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 a surface of the fuselage body 11 away from the top cover 13;

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

[0030] As a preferred embodiment, the accommodating chamber 111 is connected to the gas collecting chamber 112; the inner diameter of the gas collecting chamber 112 is smaller than the inner diameter of the accommodating chamber 111. This arrangement can ensure both the stability of the battery accommodation and the heat dissipation effect of the battery.

[0031] As a preferred embodiment, a plurality of the wings 12 are evenly arranged on the side 1121 of the air collecting cavity 112 , and a first opening A adapted to the wing 12 is provided on the side 1121 , and the air collecting cavity 112 is connected to the corresponding wing 12 through the first opening A.

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

[0033] As a preferred embodiment, a second opening 121 is provided at the bottom of each wing 12 at one end away from the air collecting cavity 112 ; the second opening 121 is connected to 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, the heat dissipation capacity of the battery can be adjusted by adjusting the size of the second opening.

[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 guaranteed.

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

[0037] The present application sets a receiving cavity on the fuselage of the drone, sets a gas collecting cavity at the bottom of the receiving cavity, and connects the gas collecting cavity with the receiving cavity and the wing, so that the air entering from the top cover can be drawn away by the flying blades through the gas collecting cavity and the wing after cooling the battery along the battery, and the wind during the flight of the flying blades is used to dissipate the heat, thereby achieving the purpose of both dissipating heat and reducing weight, and can dissipate heat from the battery well. The present application realizes effective heat dissipation of the battery by modifying the structure of the drone, does not need to set up an additional heat dissipation structure, can reduce the additional heat dissipation structure of the battery, and thus reduces the complexity of the system and the weight of the machine.

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

[0039] In the embodiment of the present application, the square-shaped air collecting cavity has four side surfaces, a first opening A is provided on each side surface, and each first opening A is connected to a wing 12 .

[0040] As a preferred embodiment, the battery 20 is matched with the accommodating cavity 111; the battery 20 is matched with the gas collecting cavity 112. In this way, the battery can be stably fixed and space can be effectively saved, thereby reducing the weight of the drone.

[0041] As a preferred embodiment, the top cover 13 is a streamlined top cover; the top cover 13 is provided with a plurality of heat dissipation holes 131 in the area above the accommodating cavity 111; the plurality of heat dissipation holes 131 are evenly arranged. The top cover is arranged in a streamlined shape, which can effectively reduce wind resistance; through the plurality of heat dissipation holes of the top cover, air is allowed to enter the accommodating cavity from the heat dissipation holes, which can effectively dissipate heat from the battery in the accommodating cavity. The aperture, shape, and number of the heat dissipation holes 131 can be set according to actual use needs.

[0042] The heat-dissipated air enters the air collecting cavity through the accommodating cavity, flows out through the first opening in the air collecting cavity, passes through the wing, and flows out from the second opening to the outside of the UAV.

[0043] The air collecting chamber is arranged in the middle of the bottom of the fuselage body (i.e., the bottom of the accommodating chamber), which can prevent the problem of inconsistent air volume at each first opening and uneven heat dissipation caused by the need to adjust the wind speed of each flight fan blade when the UAV changes its flight attitude. Concentrating the air outlets (first openings) in the air collecting chamber can solve the above problem. After the gas enters the air collecting chamber, it will enter the four wings from the four air outlets (first openings) of the air collecting chamber. The interior of the wing is arranged to be hollow, which allows the gas to pass quickly and effectively reduces the weight of the body.

[0044] After the gas passes through the wing, it will be sucked away by the flying blades from the second opening (enlarged outlet) at the end of the wing. 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 flying blades.

[0045] As a preferred embodiment, the heat dissipation hole 131 is connected to the accommodating cavity 111. In this way, through the multiple heat dissipation holes of the top cover, air enters the accommodating cavity from the heat dissipation holes, which can effectively dissipate heat for the battery in the accommodating cavity.

[0046] As a preferred embodiment, the battery 20 is a fuel cell, a lithium ion battery or a sodium ion battery. According to the actual use 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 present application has a simple structure, is easy to disassemble and assemble, is easy to maintain, has good stability, is economical, safe and practical, and can greatly improve the heat dissipation performance of the battery mounted on the drone without changing the structure of the drone. 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 description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A battery heat dissipation structure, characterized in that: The invention comprises a drone and a battery arranged in the drone; the drone comprises a fuselage body, a plurality of wings and a top cover; the plurality of wings are evenly arranged on a surface of the fuselage body away from the top cover; A accommodating cavity is arranged in the fuselage body, a gas collecting cavity is arranged at the bottom of the accommodating cavity, and the gas collecting cavity is connected with each wing respectively; the battery is arranged in the accommodating cavity; and the top cover is covered on the top of the accommodating cavity.

2. The battery heat dissipation structure according to claim 1, characterized in that: The accommodating chamber is communicated with the gas collecting chamber; the inner diameter of the gas collecting chamber is smaller than the inner diameter of the accommodating chamber.

3. The battery heat dissipation structure according to claim 1, characterized in that: A plurality of the wings are evenly arranged on the side surface of the air collecting cavity, and a first opening matched with the wings is arranged on the side surface, and the air collecting cavity is connected with the corresponding wings through the first opening.

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

5. The battery heat dissipation structure according to claim 4, characterized in that: A second opening is provided at the bottom of each wing at one end away from the air collecting cavity; and the second opening is communicated with the wing.

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

7. The battery heat dissipation structure according to claim 5, characterized in that: 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, characterized in that: A flying fan blade is arranged at the bottom of one end of each wing away from the air collecting cavity; and the flying fan blade is arranged on the side of the second opening away from the air collecting cavity.

9. The battery heat dissipation structure according to claim 3, characterized in that: The gas collecting cavity is a quasi-square gas collecting cavity; the first opening is arranged at the center of the side surface of the quasi-square gas collecting cavity; The battery is adapted to be disposed in the accommodating cavity; the battery is adapted to be disposed in 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 in that: The top cover is a streamlined top cover; a plurality of heat dissipation holes are arranged in an area of ​​the top cover close to the upper part of the accommodating cavity; the plurality of heat dissipation holes are evenly arranged; and the heat dissipation holes are connected to the accommodating cavity.

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