CN210926238U

CN210926238U - Unmanned aerial vehicle battery convenient to heat dissipation

Info

Publication number: CN210926238U
Application number: CN202020096351.8U
Authority: CN
Inventors: 黄牧; 李春海; 秦昊; 陈叶青; 李长君; 房雨雨; 魏丽娟; 朱海峰
Original assignee: National Academy of Defense Engineering of PLA Academy of Military Science
Current assignee: National Academy of Defense Engineering of PLA Academy of Military Science
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-07-03
Anticipated expiration: 2030-01-16

Abstract

The utility model provides an unmanned aerial vehicle battery convenient to heat dissipation, its characterized in that: including group battery and fin, the group battery includes the lithium cell of a plurality of arrangements, the lithium cell is cylindrical, and is a plurality of the lithium cell is separated through the fin, the fin sets up the circumference at the lithium cell. The aluminum alloy radiating fins directly contacted with the lithium battery can effectively reduce the heat in the lithium battery under the condition of not increasing much weight, and the semicircular radiating fins are designed, so that the contact area between the radiating fins and the battery is larger, and the heat dissipation is more effective; when the heat in the battery is effectively reduced, the safety and the service life of the battery are obviously improved.

Description

Unmanned aerial vehicle battery convenient to heat dissipation

Technical Field

The utility model belongs to the technical field of the unmanned air vehicle technique and specifically relates to an unmanned aerial vehicle battery convenient to heat dissipation is related to.

Background

The unmanned aerial vehicle is an unmanned aerial vehicle operated by using a wireless remote control device and a self-contained program control device. Unmanned aerial vehicles are in fact a general term for unmanned aerial vehicles, and can be defined from a technical perspective as follows: unmanned fixed wing aircraft, unmanned VTOL aircraft, unmanned airship, unmanned helicopter, unmanned multi-rotor aircraft, etc. Unmanned planes tend to be more suitable for tasks that are too "fool, dirty, or dangerous" than manned planes. Unmanned aerial vehicles can be classified into military and civilian applications according to the application field. For military use, unmanned aerial vehicles divide into reconnaissance aircraft and target drone. In the civil aspect, the application of the unmanned aerial vehicle industry is really just needed by the 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 and the like, the application of the unmanned aerial vehicle is greatly expanded, and developed countries actively expand industrial application and develop unmanned aerial vehicle technology. Because unmanned aerial vehicle flight in-process power consumption is very big, and the discharge current of battery is very big, therefore calorific capacity of battery is very big, and most batteries on the market do not design to the battery heat dissipation specially at present, and this can lead to the inside heat gathering of battery, influences the life-span of battery, flight safety even.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned conventional art's weak point, provide a simple structure, the radiating unmanned aerial vehicle battery of being convenient for.

The purpose of the utility model is achieved through the following technical measures: the utility model provides an unmanned aerial vehicle battery convenient to heat dissipation, its characterized in that: including group battery and fin, the group battery includes the lithium cell of a plurality of arrangements, the lithium cell is cylindrical, and is a plurality of the lithium cell is separated through the fin, the fin sets up the circumference at the lithium cell.

The lithium cell is direct to contact with the fin, and in the use, the heat that the battery sent can directly take the heat outside the group battery through the fin, can balance the temperature of whole group battery, reaches the effect that reduces the inside temperature of group battery.

As a preferred scheme, the radiating fin is provided with a plurality of through grooves, and the lithium battery is located in the through grooves.

As a preferred scheme, the lithium batteries correspond to the through grooves one to one.

As a preferred scheme, the length of the through groove is smaller than that of the lithium battery, and two ends of the lithium battery extend out of the through groove.

As a preferred scheme, the through grooves are formed in two sides of the radiating fin and provided with openings, and the openings of the through grooves in the two sides are arranged in a back-to-back mode.

Preferably, the through grooves are uniformly arranged.

Preferably, the heat sink is an aluminum alloy.

As a preferred scheme, heat-conducting silica gel is filled between the lithium battery and the radiating fin.

Owing to adopted above-mentioned technical scheme, compare with prior art, the utility model has the advantages that: the utility model provides an unmanned aerial vehicle battery convenient to heat dissipation, through setting up the aluminum alloy fin that directly contacts with the lithium cell, under the condition that does not increase a lot of weight, can effectively reduce the heat in the lithium cell, the semicircular fin design makes the area of contact of fin and battery bigger, dispels the heat more effectively; when the heat in the battery is effectively reduced, the safety and the service life of the battery are obviously improved.

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

Drawings

Figure 1 is the utility model relates to an overall structure schematic diagram of unmanned aerial vehicle battery convenient to heat dissipation.

Figure 2 is the utility model relates to a fin structure schematic diagram of unmanned aerial vehicle battery convenient to heat dissipation.

Figure 3 is the utility model relates to a fin section structure schematic diagram of unmanned aerial vehicle battery convenient to heat dissipation.

Fig. 4 is the utility model relates to an unmanned aerial vehicle battery's embodiment 2 schematic structure convenient to heat dissipation.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to 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", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example (b): as shown in fig. 1-3, an unmanned aerial vehicle battery convenient to heat dissipation includes group battery and fin 2, the group battery includes a plurality of lithium cell 1 of arranging, lithium cell 1 is cylindrical, and a plurality of lithium cell 1 separates through fin 2, fin 2 sets up in lithium cell 1's circumference.

Lithium cell 1 is direct to be contacted with fin 2, and in the use, the heat that the battery sent can directly take the heat outside the group battery through fin 2, can balance the temperature of whole group battery, reaches the effect that reduces the inside temperature of group battery.

As shown in fig. 2 and 3, the heat sink 2 is provided with a plurality of through slots 3, and the lithium battery 1 is located in the through slots 3. The lithium batteries 1 correspond to the through grooves 3 one by one.

The length that leads to groove 3 is less than lithium cell 1's length, lithium cell 1's both ends all stretch out lead to groove 3. The lithium battery 1 is convenient to charge and discharge.

The through grooves 3 are arranged on two sides of the radiating fin 2 and are provided with openings, and the openings of the through grooves 3 on the two sides are arranged back to back. In this embodiment, the through grooves 3 are semicircular, so that the lithium batteries 1 placed in the through grooves 3 are spaced from each other.

The through grooves 3 are uniformly arranged. In this embodiment, the fin 2 is equipped with eight logical grooves 3 altogether, it is corresponding, place eight lithium cell 1, and fin 2 can surround lithium cell 1 and be close half circumference area, make lithium cell 1 can effectively dispel the heat, semicircular logical groove 3 just in time surrounds half cylindrical lithium cell 1 simultaneously, if need more lithium cell 1 to constitute the group battery, then need corresponding more fin 2, as shown in fig. 3, a plurality of fin 2 arrange in proper order, relative recess just in time is closed for a circular, lithium cell 1 is located in circular, make lithium cell 1's circumference and fin 2 contact, heat dissipation that can be better.

The radiating fins 2 are made of aluminum alloy. The cooling fin 2 is machined in a CNC mode, machining precision can be guaranteed, and the battery can be attached to the cooling fin 2 better. Under the condition that a lot of weight is not increased, the aluminum alloy radiating fins 2 can effectively reduce the heat inside the lithium battery 1, and the semicircular radiating fins 2 are designed, so that the contact area between the radiating fins 2 and the battery is larger, and the heat dissipation is more effective. When the heat in the battery is effectively reduced, the safety and the service life of the battery are obviously improved.

Example 2: as shown in fig. 4, in the present embodiment, a heat conductive silica gel 4 is filled between the lithium battery 1 and the heat sink 2. The heat conduction efficiency can be further increased. Other parts of this embodiment are the same as embodiment 1, and are not described again.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an unmanned aerial vehicle battery convenient to heat dissipation, its characterized in that: including group battery and fin, the group battery includes the lithium cell of a plurality of arrangements, the lithium cell is cylindrical, and is a plurality of the lithium cell is separated through the fin, the fin sets up the circumference at the lithium cell.

2. The unmanned aerial vehicle battery convenient to heat dissipation of claim 1, characterized in that: the fin is equipped with a plurality of logical grooves, the lithium cell is located logical inslot.

3. The unmanned aerial vehicle battery convenient to heat dissipation of claim 2, characterized in that: the lithium batteries correspond to the through grooves one by one.

4. The unmanned aerial vehicle battery convenient to heat dissipation of claim 2, characterized in that: the length that leads to the groove is less than the length of lithium cell, the both ends of lithium cell all stretch out lead to the groove.

5. The unmanned aerial vehicle battery convenient to heat dissipation of claim 2, characterized in that: the through grooves are formed in two sides of the radiating fin and provided with openings, and the openings of the through grooves in the two sides are arranged in a back-to-back mode.

6. The unmanned aerial vehicle battery convenient to heat dissipation of claim 2, characterized in that: the through grooves are uniformly arranged.

7. The unmanned aerial vehicle battery convenient to heat dissipation of claim 1, characterized in that: the radiating fins are made of aluminum alloy.

8. The unmanned aerial vehicle battery convenient to heat dissipation of any of claims 1-7, wherein: and heat-conducting silica gel is filled between the lithium battery and the radiating fin.