Unmanned aerial vehicle battery automatic replacement device

Abstract

The utility model discloses an automatic battery replacing device for an unmanned aerial vehicle, which relates to the technical field of unmanned aerial vehicle equipment and comprises a box body, an unmanned aerial vehicle battery pack and a battery replacing mechanism, the box body comprises a guide area, a replacement area, a wedge block and a main cavity; the unmanned aerial vehicle battery pack is connected with an unmanned aerial vehicle and comprises an unmanned aerial vehicle battery box connecting device, an unmanned aerial vehicle battery box, a battery box fixing plate, a compression spring, a fixing plate trigger block arranged in the battery box fixing plate and a trigger spring. The battery replacing mechanism is connected with the box body and comprises a rotary battery bin, a transmission part set, a battery box lifting platform located in the rotary battery bin, a lead screw set fixed to the rotary battery bin and a connecting piece used for connecting the battery box lifting platform and the lead screw set. The utility model aims to provide the automatic battery replacement device for the unmanned aerial vehicle, and solves the problem of frequent battery replacement in the operation process of the unmanned aerial vehicle, especially the problem of automatic battery replacement in a multi-unmanned aerial vehicle system.

Description

TECHNICAL FIELD

[0001] The utility model relates to unmanned plane technical field, especially a kind of unmanned plane battery automatic replacement device. BACKGROUND

[0002] With the continuous maturity of artificial intelligence, sensing technology and automation control technology, various unmanned planes develop rapidly in various fields. With the advantages of strong mobility, cost-effective, easy to use and the like, unmanned planes are widely used in personnel search and rescue, geological exploration, forest fire detection, agricultural information acquisition and many other fields. However, with the increase of unmanned plane task scale, complexity and task duration, the endurance requirement for unmanned plane batteries is getting higher and higher.

[0003] In order to improve the endurance of unmanned planes, researchers have carried out research in improving battery capacity, optimizing battery management system to reduce energy consumption and the like. However, breakthroughs in these aspects are faced with high cost, slow progress and other problems, which are in conflict with the urgent need of the market for unmanned plane endurance, seriously hindering the industrialization development of unmanned planes.

[0004] At present, various unmanned plane battery replacement devices appear on the market, but most of them rely too much on the coordination of a large number of actuator devices to realize battery replacement, with the problems of high precision requirement for actuator devices, small application range and high cost. SUMMARY

[0005] Therefore, the utility model aims to provide a kind of unmanned plane battery automatic replacement device, can realize the automatic replacement of unmanned plane battery under the premise of relying on small amount of actuator device, with the advantages of low cost, simple control, wide application range and the like.

[0006] The technical scheme adopted by the utility model is as follows:

[0007] The utility model provides a kind of unmanned plane battery automatic replacement device, characterized by comprising: box, unmanned plane battery group, battery replacement mechanism;The unmanned plane battery group is installed at the bottom of unmanned plane;The battery replacement mechanism is connected on the box;The box includes guide area, replacement area, wedge, main cavity;The guide area is located at the top end of the box, which is composed of four outwardly opening planes;The wedge is located at one end of the bottom of replacement area;The main cavity is flat cylindrical, and the surface is provided with screw hole for connecting battery replacement mechanism.

[0008] Further, the unmanned aerial vehicle battery pack comprises an unmanned aerial vehicle battery box connecting device, an unmanned aerial vehicle battery box, a battery box fixing plate, a pressing spring, a fixing plate trigger block and a trigger spring; the pressing spring is located between the unmanned aerial vehicle battery box connecting device and the battery box fixing plate; the fixing plate trigger block can be matched with the wedge block to realize up-down movement; the trigger spring is located in the battery box fixing plate and connected with the fixing plate trigger block.

[0009] Further, the battery replacement mechanism comprises a rotating battery compartment, a transmission component group, a battery box lifting platform, a lead screw group and a connecting piece; the rotating battery compartment is installed in the main cavity through the transmission component group; the battery box lifting platform is located in the rotating battery compartment and connected with the lead screw group through the connecting piece; the lead screw group is connected at one end of the length direction of the rotating battery compartment.

[0010] Further, the bottom end plane of the wedge block is located above the maximum track circle of the rotating battery compartment.

[0011] Further, the unmanned aerial vehicle battery connecting device is in an inverted "U" shape structure, one end of which is a plate-shaped structure, and the other end is a cavity structure.

[0012] Further, the cavity-shaped structure at one end of the unmanned aerial vehicle battery connecting device is below a rectangular small hole, and the fixing plate trigger block can extend out of the hole.

[0013] Further, the battery box fixing plate is symmetrically distributed with a second electrode conductor and a positioning pin at one end, and a support seat is arranged at the other end, and the fixing plate trigger block and the trigger spring are installed in the support seat.

[0014] Compared with the prior art, the unmanned aerial vehicle battery pack has the advantages that:

[0015] 1. The fixing plate trigger block utilizes the rotating movement of the rotating battery compartment to realize automatic tightening and releasing of the battery, thereby reducing the use of actuators.

[0016] 2. The unmanned aerial vehicle battery pack has good universality, and only needs to change the structure of the unmanned aerial vehicle battery box when facing different unmanned aerial vehicles.

[0017] 3. The battery replacement mechanism can isolate the replaced old battery and the to-be-replaced new battery in the upper and lower battery compartments of the rotating battery compartment, thereby facilitating the management of the new and old batteries.

[0018] 4. The guiding area of the box body ensures that the unmanned aerial vehicle battery box can accurately land in the replacement area, thereby reducing the technical difficulty in the landing process of the unmanned aerial vehicle. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort on the premise of not paying creative effort.

[0020] Figure 1 Structure diagram of unmanned aerial vehicle battery automatic replacement device for removing box body;

[0021] Figure 2 Sectional view of the box body;

[0022] Figure 3 Isometric view of the box body;

[0023] Figure 4 Exploded view of the unmanned aerial vehicle battery pack;

[0024] Figure 5 Partial diagram of the exploded view of the unmanned aerial vehicle battery pack;

[0025] Figure 6 Structure diagram of the battery replacement mechanism;

[0026] Figure 7 Sectional view of the whole at the instant of releasing the unmanned aerial vehicle battery box;

[0027] Figure 8 Sectional view of the whole at the instant of sending the unmanned aerial vehicle battery box.

[0028] In the drawings: 1, box body; 2, unmanned aerial vehicle battery pack; 3, battery replacement mechanism; 11, guide area; 12, replacement area; 13, wedge block; 14, main cavity; 21, unmanned aerial vehicle battery box connecting device; 22, unmanned aerial vehicle battery box, 23, battery box fixing plate; 24, compression spring; 25, fixing plate trigger block; 26, trigger spring; 31, rotating battery compartment; 32, transmission component group; 33, battery box lifting platform; 34, lead screw group; 35, connecting piece; 221, first electrode conductor; 222, positioning hole; 231, second electrode conductor; 232, positioning pin; 321, bearing seat; 322, connecting transmission shaft; 323, first stepper motor; 324, belt; 341, lead screw; 342, lead screw seat; 343, coupling; 344, second stepper motor. DETAILED DESCRIPTION

[0029] To make the purpose, technical solutions, and advantages of the embodiments of this application more clear, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the drawings in the embodiments of this application. Obviously, the described embodiments are part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0030] The embodiments of the present invention are further described in detail below with reference to the accompanying drawings.

[0031] This embodiment discloses an automatic battery replacement device for a drone, comprising a box 1, a drone battery pack 2, and a battery replacement mechanism 3.

[0032] like Figure 2 、 3 As shown, the box 1 includes: a guide area 11, a replacement area 12, a wedge 13, and a main cavity 14; the guide area 11 is located at the top of the box and consists of four outward-opening planes. When the drone needs to replace the battery, the landing algorithm controls the drone so that the battery pack 2 falls into the guide area 11 of the box, and then the drone battery pack slides into the replacement area 12 for the next operation; the wedge 13 is located at one end of the bottom of the replacement area 12, and its top plane is located above the maximum trajectory circle of the movable range of the rotating battery compartment 31 to prevent the rotating battery compartment 31 from lifting the drone battery box 22 during rotation; the wedge 13 is used to support the drone battery pack 2 on the one hand, and on the other hand cooperates with the inclined surface of the fixed plate trigger block 25 to realize the extension and retraction of the fixed plate trigger block 25; the main cavity 14 is a flat cylindrical shape with a threaded hole on the surface for installing the first stepper motor 323 and the bearing seat 321.

[0033] like Figure 4 、 5As shown, the unmanned aerial vehicle battery pack 2 comprises: unmanned aerial vehicle battery box connecting device 21, unmanned aerial vehicle battery box 22, battery box fixing plate 23, compression spring 24, fixed plate trigger block 25, trigger spring 26; the unmanned aerial vehicle battery box connecting device 21 is inverted "U" structure, one end is plate structure, the other end is cavity structure, and there is a rectangular small hole below the cavity structure, and the fixed plate trigger block 25 can move up and down from the hole; the first electrode conductor 221 and the positioning hole 222 are symmetrically distributed on one end of the unmanned aerial vehicle battery box 22; the battery box fixing plate 23 is located in the cavity structure of the unmanned aerial vehicle battery box connecting device 21, and the vertical symmetry axis is symmetrically distributed with the second electrode conductor 231 and the positioning pin 232 on one end surface, the compression spring 24 is distributed around the other end surface, a support seat is arranged in the middle, and the fixed plate trigger block 25 and the trigger spring 26 are installed in the support seat; the first electrode conductor 221 and the positioning hole 222 cooperate with the second electrode conductor 231 and the positioning pin 232 under the pressure of the compression spring 24, so that the unmanned aerial vehicle is powered on and the battery box 22 is fixed; one of the positioning pins 232 is a rhombic positioning pin, which can smoothly enter the positioning hole 222 in the presence of machining errors; when the compression spring 24 is compressed, the second electrode conductor 231 is connected with the first electrode conductor 221, and the second electrode conductor 231 transmits the battery energy to the unmanned aerial vehicle through the wire.

[0034] As shown in the figure, Figure 6 The battery replacement mechanism 3 comprises: a rotating battery compartment 31, a transmission component group 32, a battery box lifting platform 33, a lead screw group 34, and a connecting piece 35. The rotating battery compartment 31 is provided with two compartment bodies, and one end of the compartment body is provided with a notch. The transmission component group 32 comprises a bearing seat 321, a connecting rotating shaft 322, a first stepping motor 323, and a belt 324. The first stepping motor 323 and the bearing seat 321 are respectively installed at both ends of the main cavity 14. The belt 324 transmits the power of the first stepping motor 323 to the connecting rotating shaft 322, driving the rotating battery compartment 31 to rotate in the main cavity 14. The two battery box lifting platforms 33 are installed in the two compartment bodies of the rotating battery compartment 31. The lead screw group 34 comprises a lead screw 341, a lead screw seat 342, a shaft coupling 343, and a second stepping motor 344. The lead screw seat 342 is installed at the end of the rotating battery compartment 31 with the notch, and the lead screw 341 is located in the lead screw seat. The shaft coupling 343 can transmit the power of the second stepping motor to the lead screw. The two connecting pieces 35 are installed on the lead screw 341, clamped in the notch, and connected to the battery box lifting platform 33, so as to realize the lifting and lowering of the battery box lifting platform 33 under the driving of the second stepping motor 344.

[0035] The working process of the present example is as follows:

[0036] The unmanned aerial vehicle battery pack 2 with the battery inside is installed on the unmanned aerial vehicle, at this time the first electrode conductor 221 and the second electrode conductor 231 are connected, and the second electrode conductor 231 transmits the energy of the battery to the unmanned aerial vehicle through the wire;

[0037] The unmanned aerial vehicle battery box 22 with the battery full of electricity to be replaced is installed in one battery compartment of the rotating battery compartment 31, and the other battery compartment is empty, used for collecting the replaced unmanned aerial vehicle battery box 22;

[0038] When the unmanned aerial vehicle executes the battery replacement instruction, the unmanned aerial vehicle battery pack 2 is controlled by the precise homing algorithm inside the unmanned aerial vehicle to slowly fall into the guide area 11, and then the unmanned aerial vehicle battery pack 2 is guided into the replacement area 12;

[0039] At this time, the first stepping motor 323 rotates to drive the rotating battery compartment 31 to rotate through the belt 324; during the rotation, one end of the rotating battery compartment 31 starts to contact the fixed plate trigger block 25, and when the rotating battery compartment 31 reaches the position as shown in Figure 7 , the rotating battery compartment 31 drives the fixed plate trigger block 25 to move right, the compression spring 24 is compressed, and the unmanned aerial vehicle battery box 22 falls onto the battery box lifting platform 33; then, the rotating battery compartment 31 continues to rotate, the fixed plate trigger block 25 cooperates with the inclined surface of the wedge block 13 to trigger the compression of the spring 26, and the fixed plate trigger block 25 is retracted, at this time the rotating battery compartment 31 passes smoothly;

[0040] When the rotating battery compartment 31 filled with the battery compartment body of the unmanned aerial vehicle battery box 22 to be replaced rotates to the lower side of the replacement area 12, the second stepping motor 344 rotates to drive the lead screw 341 to rotate through the shaft coupling 343, at this time the battery box lifting platform 33 lifts to send the unmanned aerial vehicle battery box 22 into the unmanned aerial vehicle battery box connecting device 21 as shown in Figure 8 ; at the same time, the connecting piece 35 at the other end drives the battery box lifting platform 33 to move towards the bottom of the battery compartment, preparing for receiving the unmanned aerial vehicle battery box 22 next time; then, the rotating battery compartment 31 rotates, the fixed plate trigger block 25 cooperates with the inclined surface of the wedge block 13 to trigger the compression of the spring 26, and the fixed plate trigger block 25 is retracted, at the same time, the second stepping motor 344 reverses, the battery box lifting platform 33 descends, so that the unmanned aerial vehicle battery box 22 in the unmanned aerial vehicle battery box connecting device 21 is always in contact with the unmanned aerial vehicle battery box 22 below, until the unmanned aerial vehicle battery box 22 is completely received in the rotating battery compartment 31, at this time the rotating battery compartment 31 passes smoothly, at this time the compression spring 24 is released, the first electrode conductor 221 and the second electrode conductor 231 are connected, the positioning hole 222 and the positioning pin 232 cooperate, and the unmanned aerial vehicle battery box 22 is clamped, and the unmanned aerial vehicle battery replacement is completed.

[0041] The foregoing detailed description of the application has been presented for purposes of illustration and description. Various modifications and changes can be made to these embodiments without departing from the spirit and scope of the application. It is intended that the scope of the application should not be limited by the particular representative embodiments described above.

Claims

1. An unmanned aerial vehicle battery automatic replacement device, characterized by, The utility model relates to a kind of unmanned aerial vehicle battery replacement device, including: Box (1), unmanned aerial vehicle battery group (2), battery replacement mechanism (3); The unmanned aerial vehicle battery group (2) is installed at the bottom of unmanned aerial vehicle;The battery replacement mechanism (3) is connected on box (1); The box (1) includes guide area (11), replacement area (12), wedge block (13), main cavity (14);The guide area (11) is located at the top end of the box, and is composed of four planes that open outward;The wedge block (13) is located at one end of the bottom of the replacement area (12);The main cavity (14) is flat cylindrical, and the surface is provided with threaded hole for connecting battery replacement mechanism (3); The unmanned aerial vehicle battery group (2) includes unmanned aerial vehicle battery box connecting device (21), unmanned aerial vehicle battery box (22), battery box fixing plate (23), compression spring (24), fixed plate trigger block (25), trigger spring (26);The compression spring (24) is located between unmanned aerial vehicle battery box connecting device (21) and battery box fixing plate (23);The fixed plate trigger block can be matched with wedge block (13), and realize up and down movement; The battery replacement mechanism (3) includes rotating battery compartment (31), transmission component group (32), battery box lifting platform (33), lead screw group (34), connecting piece (35);The rotating battery compartment (31) is installed in main cavity (14) by transmission component group (32);The battery box lifting platform (33) is located in rotating battery compartment (31) and is connected with lead screw group (34) through connecting piece (35);The lead screw group (34) is connected at one end of the length direction of rotating battery compartment (31). 2.The unmanned aerial vehicle battery automatic replacement device of claim 1, wherein, The top plane of the wedge block (13) is located above the maximum trajectory circle of the rotating battery compartment (31) activity range. 3.The unmanned aerial vehicle battery automatic replacement device of claim 1, wherein, The unmanned aerial vehicle battery connecting device (21) is inverted "U” shaped structure, one end is plate structure, the other end is cavity structure. 4.The unmanned aerial vehicle battery automatic replacement device of claim 3, wherein, The cavity-shaped structure of one end of the unmanned aerial vehicle battery connecting device (21) has a rectangular small hole below, and the fixed plate trigger block (25) can extend out of the hole. 5.The unmanned aerial vehicle battery automatic replacement device of claim 1, wherein, One end of the battery box fixing plate (23) is symmetrically distributed with the second electrode conductor (231) and positioning pin (232), and the other end is provided with a support seat, and the fixed plate trigger block (25) and trigger spring (26) are installed in the support seat.

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