Battery module for unmanned aerial vehicle

Abstract

A battery module for an unmanned aerial vehicle comprises an unmanned aerial vehicle body, a battery loading groove is formed in the inner side of the unmanned aerial vehicle body, a first power connection end is fixed in the battery loading groove, the battery loading groove is slidably connected with a battery bin, a second power connection end is fixed to the battery bin and makes contact with the first power connection end, and an isolation groove is formed in the battery bin. A third power connection end is arranged in the isolation groove, a battery body is installed in the isolation groove, a fourth power connection end is fixed to the battery body, the third power connection end makes contact with the fourth power connection end, a spring support is fixed in the isolation groove and composed of a spring rod and a supporting plate, and the spring rod of the spring support is fixed in the isolation groove. A supporting plate of the spring bracket is contacted with the rear end of the battery body. Due to the fact that the spring support is arranged in the battery bin, when the unmanned aerial vehicle jolts, the spring support can instantly generate elastic micro motion, multi-direction impact from the vehicle body is converted into the compression-springback stroke of the spring, vibration energy is effectively absorbed and attenuated, and the service life is prolonged.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of unmanned aerial vehicles, in particular to a battery module for unmanned aerial vehicles. BACKGROUND

[0002] An unmanned aerial vehicle, referred to as "drone" for short, is a pilotless aircraft controlled by wireless remote control equipment and self-provided program control device. The battery of the unmanned aerial vehicle is the power source for the flight of the unmanned aerial vehicle. The existing battery pack of the unmanned aerial vehicle is generally powered by mains and stores electrical energy. In order to increase the voltage, a plurality of batteries are generally connected in series to form a battery module for unmanned aerial vehicles. This series connection can effectively increase the overall output voltage to meet the demand of the unmanned aerial vehicle for high power and high voltage, and ensure that it has sufficient power support during flight.

[0003] According to the Chinese patent with patent number CN119181920A, a battery module for unmanned aerial vehicles is disclosed, which comprises a shell arranged on the body of the unmanned aerial vehicle, and a blocking door for blocking the opening of the shell. The blocking door is fixedly arranged with a supporting plate on one side close to the shell. N battery storage compartments for storing battery bodies and mutually isolated are fixedly arranged on the lower end surface of the supporting plate. N battery storage compartments and the supporting plate are arranged in the shell. A fixed side plate assembly matched with the opening of the battery storage compartment is arranged on the inner side wall of the shell. Wherein, N is a positive integer greater than 1. The improved shell of the battery module can fix multiple battery bodies in the shell at the same time, and the independently arranged battery storage compartments can also isolate the effect of the fire source.

[0004] However, the existing battery module for unmanned aerial vehicles has the problem that, during use, due to the drastic change of the flight attitude of the aircraft, the high-frequency vibration of the aircraft body and the large landing impact, and the rigid contact between the battery and the aircraft body, the continuous vibration and impact can cause the battery interface to loosen, the plug to wear out and even the welding point to crack. In addition, the rigid connection lacks effective buffering and shock-absorbing measures, which also makes the battery body more prone to physical damage when subjected to external impact, causing the unmanned aerial vehicle to lose control during flight. SUMMARY

[0005] The technical problem to be solved by the present application is to overcome the problem that the existing battery module for unmanned aerial vehicles has the problem that, during use, due to the drastic change of the flight attitude of the aircraft, the high-frequency vibration of the aircraft body and the large landing impact, and the rigid contact between the battery and the aircraft body, the continuous vibration and impact can cause the battery interface to loosen, the plug to wear out and even the welding point to crack. In addition, the rigid connection lacks effective buffering and shock-absorbing measures, which also makes the battery body more prone to physical damage when subjected to external impact, causing the unmanned aerial vehicle to lose control during flight.

[0006] The technical solution adopted to solve the above technical problem is: The utility model provides a battery module for unmanned plane, including unmanned plane body, the inside of unmanned plane body is opened with battery loading groove, first electricity contact terminal is fixed in the battery loading groove, battery compartment is slidably connected in the battery loading groove, second electricity contact terminal is fixed on the battery compartment, second electricity contact terminal is contacted with first electricity contact terminal, the battery compartment is opened with the isolation groove, the third electricity contact terminal is opened in the isolation groove, battery body is installed in the isolation groove, fourth electricity contact terminal is fixed on the battery body, the third electricity contact terminal is contacted with fourth electricity contact terminal, spring support is fixed in the isolation groove, spring support is composed of spring rod and support plate, the spring rod of spring support is fixed in the isolation groove, the support plate of spring support is contacted with the rear end of battery body, and the battery body is inserted into the third electricity contact terminal of the isolation groove through the fourth electricity contact terminal, and spring support provides pre-tightening force, realizes 'inserts - self - locking' quick assembly, and the electrical connection of battery compartment and unmanned plane is completed when second electricity contact terminal is contacted with first electricity contact terminal.

[0007] As a preferred technical scheme of the utility model, the lower side of the battery body is opened with a limiting groove, the isolation groove is fixed with a limiting plate, the limiting plate is connected with the limiting groove, and the limiting plate-limiting groove forms a "guide rail-sliding block" pair to ensure that the battery body only makes linear insertion and avoid deformation of the electricity contact terminal due to lateral force. At the same time, it bears the longitudinal load to prevent the battery from moving due to flight vibration.

[0008] As a preferred technical scheme of the utility model, the inner side of the isolation groove is opened with a sliding groove, the sliding groove is fixed with a sliding plate, and the sliding plate is connected with the support plate of the spring support.

[0009] As a preferred technical scheme of the utility model, the rear side of the spring rod of the spring support is fixed with an extension seat, a threaded rod is screwedly connected in the isolation groove, the threaded rod is movably connected with the extension seat, the threaded rod is opened with a hexagonal groove on the outer side, the threaded rod is movably connected with the extension seat, and the pre-tightening force of the spring can be steplessly adjusted by rotating the threaded rod to adapt to the demand of contact pressure under different flight conditions. The hexagonal groove is designed, and an ordinary inner hexagonal wrench can complete the adjustment.

[0010] As a preferred technical scheme of the utility model, the front and rear sides of the unmanned plane body are opened with ventilation holes, the battery compartment is opened with heat dissipation holes in the isolation groove, and the heat dissipation holes are fixed with heat dissipation fins. The ventilation holes-heat dissipation holes-heat dissipation fins form a "front and rear through" air duct, and the airflow directly sweeps over the surface of the heat dissipation fins during flight to take away the heat.

[0011] As a preferred technical scheme of the utility model, the inner side of the unmanned plane body is opened with a moving groove, a transmission screw rod is screwedly connected in the moving groove, the transmission screw rod is driven by a motor, a transmission block is fixed on the side of the battery compartment, the transmission block slides in the moving groove, the transmission block is screwedly connected with the transmission screw rod, the motor drives the transmission screw rod, and the transmission block drives the battery compartment to automatically extend / retract.

[0012] As a preferred technical scheme of the present application, the transmission screw rod is extended with an auxiliary rod outside the unmanned aerial vehicle body, a hexagonal groove is formed on the auxiliary rod, the exposed hexagonal groove of the auxiliary rod can be manually rotated in the case of power failure, and power exchange is realized without electricity.

[0013] The present application has the following beneficial effects: Since the spring support is arranged in the battery compartment in the present application, when the unmanned aerial vehicle encounters bumps during flight, the spring support can produce elastic micro-motion instantaneously, convert the multi-directional impact from the fuselage into compression-rebound stroke of the spring, effectively absorb and attenuate the vibration energy, and avoid direct hard collision between the battery body and the rigid cabin wall; at the same time, the pre-tightening force of the spring always keeps the battery interface and the power supply terminal closely attached, even in a violent shaking or high-frequency vibration environment, problems such as instantaneous power failure and increased contact resistance caused by displacement or loosening can be prevented, and the hidden dangers of weld cracking, plug wear and cell deformation caused by traditional rigid fixation are fundamentally eliminated, thereby significantly prolonging the service life of the battery module and the whole machine. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a first axial view of the present application; Figure 2 is Figure 1 is a partial enlarged view of A; Figure 3 is a second axial view of the present application; Figure 4 is Figure 3 is a partial enlarged view of B; Figure 5 is a third axial view of the present application; Figure 6 is a fourth axial view of the present application; Figure 7 is a fifth axial view of the present application.

[0015] In the figure: 1, unmanned aerial vehicle body; 2, battery loading groove; 3, first power connection end; 4, battery compartment; 5, isolation groove; 6, third power connection end; 7, battery body; 8, fourth power connection end; 9, spring support; 10, limiting groove; 11, limiting plate; 12, sliding groove; 13, sliding plate; 14, telescopic seat; 15, threaded rod; 16, ventilation hole; 17, heat dissipation hole; 18, heat dissipation fin; 19, moving groove; 20, transmission screw rod; 21, transmission block; 22, auxiliary rod; 23, second power connection end. DETAILED DESCRIPTION

[0016] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. The components of the embodiments of the present application described and shown in the accompanying drawings can be arranged and designed in various different configurations.

[0017] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work are within the scope of protection of the present application.

[0018] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0019] In the above description of the present application, it should be noted that the terms "one side", "the other side" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the present application is usually placed, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0020] In addition, the term "same" and the like do not mean that the components must be absolutely the same, but there can be slight differences. The term "vertical" only means that the positional relationship between the components is relatively more vertical than "parallel", and does not mean that the structure must be completely vertical, but can be slightly inclined.

[0021] Embodiment one

[0022] In Figures 1-7In the present application, a technical solution is provided: a battery module for unmanned aerial vehicle, comprising an unmanned aerial vehicle body 1, a battery loading groove 2 is opened on the inner side of the unmanned aerial vehicle body 1, a first power connection end 3 is fixed in the battery loading groove 2, a battery compartment 4 is slidingly connected with the battery loading groove 2, a second power connection end 23 is fixed on the battery compartment 4, the second power connection end 23 is in contact with the first power connection end 3, an isolation groove 5 is opened on the battery compartment 4, a third power connection end 6 is opened in the isolation groove 5, a battery body 7 is installed in the isolation groove 5, a fourth power connection end 8 is fixed on the battery body 7, the third power connection end 6 is in contact with the fourth power connection end 8, a spring support 9 is fixed in the isolation groove 5, the spring support 9 is composed of a spring rod and a support plate, the spring rod of the spring support 9 is fixed in the isolation groove 5, the support plate of the spring support 9 is in contact with the rear end of the battery body 7, the battery body 7 is inserted into the isolation groove 5, the fourth power connection end 8 is in butt joint conduction with the third power connection end 6; the support plate of the spring support 9 pushes and presses the battery body 7 forward under the action of the spring rod, ensures that the power connection end surface is tightly attached, eliminates looseness, and realizes reliable power supply and pre-tightening positioning.

[0023] In one aspect of the present embodiment, a limiting groove 10 is opened on the lower side of the battery body 7, a limiting plate 11 is fixed in the isolation groove 5, the limiting plate 11 is connected with the limiting groove 10, a sliding groove 12 is opened on the inner side of the isolation groove 5, a sliding plate 13 is fixed in the sliding groove 12, the sliding plate 13 is connected with the support plate of the spring support 9, an extension seat 14 is fixed on the rear side of the spring rod of the spring support 9, a threaded rod 15 is screwedly connected in the isolation groove 5, the threaded rod 15 is movably connected with the extension seat 14, the threaded rod 15 is provided with a hexagonal groove on the outer side, ventilation holes 16 are opened on the front and rear sides of the unmanned aerial vehicle body 1, heat dissipation holes 17 are opened on the isolation groove 5 of the battery compartment 4, heat dissipation fins 18 are fixed in the heat dissipation holes 17, the limiting plate 11 is slid into the limiting groove 10, and the radial positioning of the battery body 7 is completed; the threaded rod 15 is rotated, the extension seat 14 drives the spring rod to move forward and backward under the guidance of the sliding plate 13, the pre-tightening force is accurately adjusted, different thickness batteries are adapted, quick locking and releasing are realized, external cooling air enters the battery loading groove 2 through the ventilation holes 16, and the heat of the battery body 7 is taken away by the heat dissipation fins 18 in the heat dissipation holes 17, forming a front and rear through air cooling channel, reducing temperature rise and prolonging battery life.

[0024] In one aspect of the present embodiment, a moving groove 19 is opened in the unmanned aerial vehicle body 1, a transmission screw rod 20 is screwedly connected in the moving groove 19, the transmission screw rod 20 is driven by a motor, a transmission block 21 is fixed on the side of the battery compartment 4, the transmission block 21 slides in the moving groove 19, the transmission block 21 is screwedly connected with the transmission screw rod 20, the transmission screw rod 20 is extended with an auxiliary rod 22 on the outer side of the unmanned aerial vehicle body 1, the auxiliary rod 22 is provided with a hexagonal groove, the motor drives the transmission screw rod 20 to rotate, the transmission block 21 drives the battery compartment 4 to move linearly along the moving groove 19, and the whole battery is inserted and pulled out; when there is no electricity, the auxiliary rod 22 can be rotated by using a tool to complete manual loading and unloading, realizing quick battery replacement and maintenance.

[0025] The working principle of the application is as follows: the battery body 7 is inserted into the isolation groove 5, the fourth electrical terminal 8 is connected with the third electrical terminal 6, the spring support 9 presses the battery and eliminates looseness; the limiting plate 11 and the limiting groove 10 complete radial positioning, the rotating threaded rod 15 can adjust the pre-tightening force through the telescopic seat 14, adapt to different thickness batteries and quickly lock. The external cooling wind forms through wind cooling through the ventilation hole 16, the heat dissipation hole 17 and the heat dissipation fin 18, reduces the temperature rise. The motor drives the transmission screw rod 20 to rotate, the transmission block 21 drives the battery compartment 4 to move linearly along the moving groove 19, so that the second electrical terminal 23 is connected with the first electrical terminal 3, and automatic plugging is realized; when power is off, the auxiliary rod 22 can be manually assembled and disassembled by rotating the tool, and the quick battery replacement and maintenance are completed.

[0026] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the application and are not limiting. Although the application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the application can be modified or replaced equivalently without departing from the purpose and scope of the technical solutions of the application, and they should be covered in the scope of the claims of the application.

Claims

1. A battery module for a drone, comprising a drone body (1), characterized in that: The UAV body (1) has a battery loading slot (2) on its inner side. A first power terminal (3) is fixed in the battery loading slot (2). A battery compartment (4) is slidably connected to the battery loading slot (2). A second power terminal (23) is fixed on the battery compartment (4). The second power terminal (23) is in contact with the first power terminal (3). An isolation slot (5) is opened in the battery compartment (4). A third power terminal (6) is opened in the isolation slot (5). A battery body (7) is installed in the isolation slot (5). A fourth power terminal (8) is fixed on the battery body (7). The third power terminal (6) is in contact with the fourth power terminal (8). A spring bracket (9) is fixed in the isolation slot (5). The spring bracket (9) is composed of a spring rod and a support plate. The spring rod of the spring bracket (9) is fixed in the isolation slot (5). The support plate of the spring bracket (9) is in contact with the rear end of the battery body (7).

2. The battery module for a drone according to claim 1, characterized in that: The battery body (7) has a limiting groove (10) on its lower side, and a limiting plate (11) is fixed in the isolation groove (5). The limiting plate (11) is connected to the limiting groove (10).

3. A battery module for a drone according to claim 2, characterized in that: The inner side of the isolation groove (5) has a sliding groove (12), and a sliding plate (13) is fixed in the sliding groove (12). The sliding plate (13) is connected to the support plate of the spring bracket (9).

4. A battery module for a drone according to claim 3, characterized in that: The spring bracket (9) has a telescopic seat (14) fixed to the rear side of the spring rod. The isolation groove (5) is threaded with a threaded rod (15). The threaded rod (15) is movably connected to the telescopic seat (14). The threaded rod (15) has a hexagonal groove on its outer side.

5. A battery module for a drone according to claim 4, characterized in that: The drone body (1) has ventilation holes (16) on the front and rear sides, and the battery compartment (4) has heat dissipation holes (17) in the isolation groove (5). Heat dissipation fins (18) are fixed in the heat dissipation holes (17).

6. A battery module for a drone according to claim 1, characterized in that: The UAV body (1) has a movable groove (19) inside, and a transmission screw (20) is threadedly connected inside the movable groove (19). The transmission screw (20) is driven by a motor. A transmission block (21) is fixed on the side of the battery compartment (4). The transmission block (21) slides inside the movable groove (19). The transmission block (21) is threadedly connected to the transmission screw (20).

7. A battery module for a drone according to claim 6, characterized in that: The transmission screw (20) extends an auxiliary rod (22) on the outside of the UAV body (1), and the auxiliary rod (22) has a hexagonal groove.

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