Storage protection unmanned aerial vehicle battery cooling device

Abstract

The utility model belongs to the technical field of unmanned aerial vehicles, and particularly relates to a storage and protection unmanned aerial vehicle battery cooling device which comprises an unmanned aerial vehicle body, a battery main body, a battery jar, a hollowed-out frame, an air guide plate and a servo motor, the battery jar penetrates through the surface of the unmanned aerial vehicle body, the bottom of the battery jar supports the battery main body through the hollowed-out frame to achieve bottom air cooling, and a front heat dissipation window corresponds to the front surface of the battery main body. The cooling air duct is arranged on the rear side of the battery groove and penetrates through the side air opening, an air guide plate is rotationally installed in the side air opening and connected with a shifting plate through an extension rod, the shifting plate synchronously adjusts the angle of the air guide plate through a double-threaded rod driven by a servo motor, machine arms and propellers are arranged at the four corners of the unmanned aerial vehicle body to provide flight power, and a storage bin and supporting legs are arranged at the bottom of the unmanned aerial vehicle body. The storage bin is used for storing agricultural articles, the supporting legs guarantee the stability during shutdown, and the whole device realizes uniform cooling of multiple surfaces of the battery.

Description

TECHNICAL FIELD

[0001] The utility model belongs to unmanned plane technical field, concretely relates to a kind of battery cooling device of protection unmanned plane. BACKGROUND

[0002] As an important tool in modern agriculture, logistics transportation, monitoring and patrolling, the application scenarios of unmanned plane are increasingly widespread. In the field of plant protection, unmanned plane usually carries agricultural products for operation, which puts forward higher requirements on the endurance and reliability of unmanned plane. The battery of unmanned plane as the core power source, its performance and life play a crucial role in the operation of the entire device. However, long-term high-load operation can cause the temperature of the battery to rise significantly, which affects the performance and even safety of the battery.

[0003] Currently, the battery cooling methods of unmanned plane mainly include natural cooling and active cooling. Natural cooling uses heat exchange between the surface of the battery and the surrounding air to reduce the temperature, which is simple in structure but limited in cooling efficiency, especially when running at high power. While active cooling method enhances the cooling effect by adding fans, water cooling or heat conducting materials, although the efficiency is improved, the complex structure and additional energy consumption limit its application on unmanned plane.

[0004] For the heat dissipation problem of unmanned plane battery, the existing technology has the following deficiencies: on the one hand, most of the heat dissipation structures are difficult to achieve uniform cooling of the battery from multiple surfaces, resulting in widespread local overheating; on the other hand, due to the weight and space limitations of unmanned plane, the traditional cooling device has high complexity and energy consumption, which is difficult to balance the efficiency and lightweight requirements. In addition, during the flight of unmanned plane, the airflow is not fully utilized for dynamic cooling, resulting in waste of heat dissipation resources. UTILITY MODEL CONTENTS

[0005] In view of the problems existing in the prior art, the purpose of the utility model is to provide a battery cooling device for protection unmanned plane, which can realize efficient and uniform heat dissipation by cooling design of multiple surfaces such as the bottom, front side and rear side of the battery slot, combined with adjustable structure of air deflector and airflow guiding mechanism, while fully utilizing the natural airflow during flight to reduce the complexity and energy consumption of the cooling system.

[0006] To achieve the above purpose, the utility model provides the following technical scheme:

[0007] The utility model provides a kind of to protect unmanned aerial vehicle battery cooling device, including unmanned aerial vehicle body and battery main body, unmanned aerial vehicle body upper surface is equipped with battery slot, the battery slot is through from top to bottom, the bottom of the battery slot is fixed with two openwork frame, the openwork frame is the U type structure of upward open, the battery main body is placed into battery slot inside, the bottom of the battery main body is limited by two openwork frame, the front side of the unmanned aerial vehicle body is equipped with front heat dissipation window, the front heat dissipation window corresponds with the front side surface of battery main body, cooling air duct is left between the rear side inner wall of battery main body and battery slot, the side air port is symmetrically equipped with in the both sides of unmanned aerial vehicle body, the side air port is respectively placed in the both sides of cooling air duct, air deflector is rotatably installed in the side air port, the air deflector is provided with extension rod above rotation shaft, the extension rod exceeds unmanned aerial vehicle body upper surface.

[0008] Further, the upper surface of the unmanned aerial vehicle body is transversely provided with a protective strip, the protective strip is hollow inside, the top of the two extension rods is placed inside the protective strip, the top of the extension rod is provided with a push plate on one side, and the push plate is perpendicular to the axis of the extension rod.

[0009] Further, a double-threaded rod is transversely rotatably installed inside the protective strip, a servo motor is fixed outside the protective strip, and one end of the double-threaded rod is installed on the output end of the servo motor.

[0010] Further, the surface of the double-threaded rod is symmetrically screwed with a moving internal threaded sleeve, the two moving internal threaded sleeves are respectively screwed on different threaded surfaces of the double-threaded rod, and the bottom of the moving internal threaded sleeve is symmetrically provided with two fixed rods.

[0011] Further, a groove is formed in the lower surface inside the protective strip, the groove is parallel to the axis of the double-threaded rod, and the bottom of the fixed rod is placed inside the groove.

[0012] Further, a storage compartment is downwardly provided on the surface of the unmanned aerial vehicle body, a mechanical arm is installed at each corner of the unmanned aerial vehicle body, a propeller is provided at the end of the mechanical arm, and a supporting leg is symmetrically fixed at the bottom of the unmanned aerial vehicle body.

[0013] Compared with the prior art, the utility model has the following advantages:

[0014] Firstly, the utility model is provided with an openwork frame and a through battery slot structure, so that the bottom of the battery main body is exposed to the air for air cooling, and the design of the front heat dissipation window and the rear cooling air duct effectively realizes uniform cooling of multiple surfaces of the battery main body. This design solves the problem of uneven heat dissipation in the existing unmanned aerial vehicle battery cooling method, avoids the influence of local overheating on the performance and service life of the battery, and improves the operation stability of the unmanned aerial vehicle under high load working conditions.

[0015] Secondly, the utility model discloses the adjustable air deflector and side air port design, utilize the airflow to carry out dynamic cooling in the flight process, adjust the air deflector angle through servo motor drive double -threaded rod, realize the accurate control of the air intake direction and air intake, guarantee the cooling effect while reducing the energy consumption, and can adjust the direction of air deflector according to the flight direction of unmanned aerial vehicle, so that the air deflector forms the opening with the wind direction, then in the flight process, the airflow is introduced into the cooling air duct.Compared with the prior active cooling mode, the utility model makes full use of natural airflow, does not need to increase the complicated heat sink component additionally, reduces the system energy consumption, and simplifies the device structure, meets the requirement of unmanned aerial vehicle lightweight design.

[0016] In addition, the utility model discloses the hollow structure in the protection strip inside, and the servo motor, double -threaded rod and other transmission parts are reasonably arranged, ensure the compactness of unmanned aerial vehicle whole and the protection performance of component. Through the recess restriction fixed rod's moving direction, avoid the additional interference of transmission system, thereby improve the operation precision and reliability of device. This integrated design solves the restriction problem of complex cooling structure to unmanned aerial vehicle space and weight in prior art, makes the device applicable to various types of plant protection unmanned aerial vehicle.

[0017] Finally, the utility model discloses the storage bin and battery groove design combine the flight and operation demand of unmanned aerial vehicle, guarantee the stable storage of agricultural articles and the safe use of battery, and are equipped with antiskid support leg and durable propeller, further enhance the use safety and environmental adaptability of unmanned aerial vehicle. This comprehensive design not only improves the practicality of unmanned aerial vehicle, also expands its application range in the agricultural and other fields. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0019] Figure 2 It is the bottom view three-dimensional structure schematic diagram of the utility model;

[0020] Figure 3 It is the internal structure schematic diagram of the protection strip of the utility model;

[0021] Figure 4 It is the right view structure schematic diagram of the unmanned aerial vehicle of the utility model;

[0022] Figure 5 It is the A area enlarged structure schematic diagram of the utility model; Figure 3

[0023] Figure 6 It is the air deflector three-dimensional structure schematic diagram of the utility model.

[0024] In the drawing, the component list represented by each sign is as follows: ​

[0025] 1, unmanned aerial vehicle body; 11, storage bin; 12, arm; 13, propeller; 14, support leg; 15, battery slot; 16, hollow frame; 17, front heat dissipation window; 18, side air inlet; 19, protective strip; 101, groove; 2, battery body; 3, double-threaded rod; 4, servo motor; 5, air deflector; 51, extension rod; 52, actuating plate; 6, moving internal thread sleeve; 61, fixed rod. DETAILED DESCRIPTION

[0026] In order to make the purpose and advantages of the utility model more clear and obvious, the utility model is specifically described below in combination with examples. It should be understood that the following text is only used to describe one or several specific embodiments of the utility model, and does not strictly limit the specific protection scope requested by the utility model.

[0027] Reference Figures 1-6 As shown in the figure, a kind of unmanned aerial vehicle battery cooling device, including unmanned aerial vehicle body 1 and battery body 2, the upper surface of unmanned aerial vehicle body 1 is provided with battery slot 15, battery slot 15 is through from top to bottom, the bottom of battery slot 15 is fixed with two hollow frames 16, hollow frame 16 is the U-shaped structure of upward open, hollow frame 16 is connected with the lower part of unmanned aerial vehicle body 1 through the fixed point of its bottom, with high bearing capacity to stabilize support battery body 2;Battery body 2 is placed into the inside of battery slot 15, the bottom of battery body 2 is limited by two hollow frames 16, and the bottom is exposed to air to realize air cooling at the same time;The front side of unmanned aerial vehicle body 1 is provided with front heat dissipation window 17, front heat dissipation window 17 corresponds to the front side surface of battery body 2, steel mesh can be optionally installed in front heat dissipation window 17 to prevent foreign matter from entering, while ensuring that the airflow flows smoothly;Cooling air duct is left between the rear side inner wall of battery body 2 and battery slot 15, cooling air duct extends along the rear side of battery slot 15 and penetrates to the bottom of unmanned aerial vehicle body 1 to enhance airflow discharge;The side air inlets 18 are symmetrically provided on both sides of the unmanned aerial vehicle body 1, the side air inlets 18 are respectively arranged on both sides of the cooling air duct, and the air deflector 5 is rotatably installed in the side air inlet 18, the angle of the air deflector 5 can be adjusted according to the flight direction to optimize the airflow introduction;The extension rod 51 is arranged above the rotating shaft of the air deflector 5, the extension rod 51 exceeds the upper surface of the unmanned aerial vehicle body 1, and is used for connecting the actuating mechanism to realize synchronous control.

[0028] Reference Figures 3-6 As shown in the figure, the upper surface of the unmanned aerial vehicle body 1 is provided with a protective strip 19, the interior of the protective strip 19 is a hollow structure, which can accommodate a plurality of control and transmission components, to ensure that the structure is compact and effectively protects the internal elements;The top of the two extension rods 51 is arranged in the interior of the protective strip 19, the top of the extension rod 51 is provided with an actuating plate 52, and the actuating plate 52 is connected with the extension rod 51 to transmit motion;The actuating plate 52 is arranged perpendicular to the axis of the extension rod 51, to ensure that the movement of the actuating plate 52 can directly affect the rotating angle of the air deflector 5.

[0029] Referring to Figure 5 As shown, the guard bar 19 is internally transversely rotatably mounted with a double-threaded rod 3, both ends of the double-threaded rod 3 are respectively supported by bearings to ensure smooth rotation, the outer side of the guard bar 19 is fixed with a servo motor 4, the output end of the servo motor 4 is connected with the double-threaded rod 3 through a shaft coupling, for driving the double-threaded rod 3 to rotate forward and backward; the rotation direction of the double-threaded rod 3 can be adjusted through the control signal of the servo motor 4, so as to realize the angle adjustment of the dial plate 52.

[0030] Referring to Figure 5 And Figure 6 As shown, the double-threaded rod 3 is symmetrically screwed with a moving internal threaded sleeve 6 on the surface, two moving internal threaded sleeves 6 are respectively screwed on different threaded surfaces of the double-threaded rod 3, so that they can move synchronously in opposite directions when the double-threaded rod 3 rotates; the moving internal threaded sleeve 6 is symmetrically provided with two fixed rods 61 at the bottom, the dial plate 52 is placed between the same group of two fixed rods 61, and the dial plate 52 changes in angle with the axial movement of the moving internal threaded sleeve 6.

[0031] Referring to Figure 5 As shown, a groove 101 is formed in the lower surface inside the guard bar 19, the groove 101 is parallel to the axis of the double-threaded rod 3, the depth and width of the groove 101 match the size of the fixed rod 61, and the bottom of the fixed rod 61 is placed inside the groove 101 to limit its lateral displacement, so as to ensure that the fixed rod 61 only moves in the axial direction, and improve the transmission accuracy of the structure.

[0032] Referring to Figures 1-3 As shown, the unmanned aerial vehicle body 1 is downwardly provided with a storage bin 11 on the surface, the inside of the storage bin 11 is used for storing agricultural articles, and the bin opening is designed as a sealable structure to prevent external interference during storage; the unmanned aerial vehicle body 1 is provided with a mechanical arm 12 at each corner, the mechanical arm 12 is provided with a propeller 13 at the end, the propeller 13 provides flight power, and realizes multi-directional adjustment of the unmanned aerial vehicle through a flight control system; the unmanned aerial vehicle body 1 is symmetrically fixed with a supporting leg 14 at the bottom, the supporting leg 14 is provided with an anti-skid pad at the bottom end to ensure the stability when the unmanned aerial vehicle stops, and effectively reduces the influence of vibration on the overall structure of the unmanned aerial vehicle.

[0033] The utility model discloses a working principle is: when using through the screw 13 of four corners control unmanned aerial vehicle body 1 and move, and the inside of storage warehouse 11 is filled into agricultural articles, and the battery main part 2 is inserted into the inside of battery groove 15, and keeps fixed and the connection of circuit, the bottom of battery groove 15 is supported and exposed in air by the support of openwork frame 16 to the wind cooling of its bottom, the front side surface of same side battery main part 2 corresponds with the front heat dissipation window 17, can be laid steel mesh in front heat dissipation window 17, guaranteeing ventilation and heat dissipation can protect battery main part 2, in the flight process, according to the inclination angle of adjustable air deflector 5 of flight direction, make air deflector 5 open to the unmanned aerial vehicle body 1 advancing direction, at this time, the airflow in flight can be introduced into the crosswind port 18 inside, and into the cooling air duct formed by battery groove 15 and the back of battery main part 2, realize the cooling of the back of battery main part 2, therefore, the multiple surfaces of battery main part 2 can be effectively cooled, and then guarantee cooling effect.

[0034] The air deflector 5 of both sides can be adjusted synchronously to ensure that the inlet direction and inlet volume of both sides crosswind port 18 are consistent, and a plurality of discharge holes are uniformly arranged in the bottom of the cooling air duct at the rear of the inside of battery groove 15 to discharge the cooling air, so as to ensure the flow and heat dissipation, when adjusting, the double-threaded rod 3 is controlled to rotate by the servo motor 4, so as to control the synchronous movement of the two moving internal threaded sleeves 6 on the surface of the double-threaded rod 3, the moving distance is the same and the moving direction is opposite, the movement of the moving internal threaded sleeve 6 can drive the rotating plate 52 to rotate through the fixed rod 61, and then control the angle rotation of the air deflector 5, so as to ensure that the inlets of both sides are consistent, and the bottom of the fixed rod 61 is arranged in the groove 101, so as to ensure that the moving internal threaded sleeve 6 does not rotate when the double-threaded rod 3 rotates, and can only move axially.

[0035] The above is only the preferred embodiment of the utility model, and it should be pointed out that for ordinary skilled persons in the technical field, without departing from the principle of the utility model, a plurality of improvements and refinements can be made, and these improvements and refinements should be regarded as the protection range of the utility model. The structures, devices and operation methods not specifically described and explained in the utility model are implemented according to the conventional means in the field without special description and limitation.

Claims

1. A battery cooling device for a portable unmanned aerial vehicle (UAV), comprising a UAV body (1) and a battery body (2), wherein a battery slot (15) is formed on the upper surface of the UAV body (1), characterized in that: The battery slot (15) is vertically connected. Two hollow frames (16) are fixed at the bottom of the battery slot (15). The hollow frames (16) are U-shaped structures with an upward opening. The battery body (2) is placed inside the battery slot (15). The bottom of the battery body (2) is limited by the two hollow frames (16). A front heat dissipation window (17) is opened on the front side of the unmanned aerial vehicle body (1). The front heat dissipation window (17) corresponds to the front surface of the battery body (2). A cooling air channel is left between the battery body (2) and the rear inner wall of the battery slot (15). Side air vents (18) are symmetrically opened on both sides of the unmanned aerial vehicle body (1). The side air vents (18) are respectively placed on both sides of the cooling air channel. A guide plate (5) is rotatably installed inside the side air vent (18). An extension rod (51) is set above the rotation axis of the guide plate (5). The extension rod (51) extends beyond the upper surface of the unmanned aerial vehicle body (1).

2. The battery cooling device for a protected unmanned aerial vehicle according to claim 1, characterized in that: The upper surface of the unmanned aerial vehicle body (1) is provided with a protective strip (19) in the horizontal direction. The protective strip (19) is hollow inside. The tops of the two extension rods (51) are placed inside the protective strip (19). A toggle plate (52) is provided on one side of the top of the extension rod (51). The toggle plate (52) is perpendicular to the axis of the extension rod (51).

3. The battery cooling device for a protected unmanned aerial vehicle according to claim 2, characterized in that: The protective strip (19) has a double threaded rod (3) installed inside it in a horizontal rotation. The protective strip (19) has a servo motor (4) fixed on its outer side. One end of the double threaded rod (3) is installed on the output end of the servo motor (4).

4. The battery cooling device for a protected unmanned aerial vehicle according to claim 3, characterized in that: The surface of the double threaded rod (3) is symmetrically screwed with movable internal threaded sleeves (6), and the two movable internal threaded sleeves (6) are respectively screwed on different thread surfaces of the double threaded rod (3). The bottom of the movable internal threaded sleeves (6) is symmetrically provided with two fixed rods (61), and the actuating plate (52) is placed between the two fixed rods (61) in the same group.

5. A battery cooling device for a protected unmanned aerial vehicle (UAV) according to claim 4, characterized in that: The lower inner surface of the protective strip (19) is provided with a groove (101), the groove (101) is parallel to the axis of the double threaded rod (3), and the bottom of the fixing rod (61) is placed inside the groove (101).

6. The battery cooling device for a protected unmanned aerial vehicle according to claim 1, characterized in that: The unmanned aerial vehicle body (1) has a storage compartment (11) facing downwards. Arms (12) are installed at the four corners of the unmanned aerial vehicle body (1). Propellers (13) are provided at the ends of the arms (12). Support legs (14) are symmetrically fixed at the bottom of the unmanned aerial vehicle body (1).

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