CN216102839U - Automatic unmanned aerial vehicle charging platform who returns to middle - Google Patents

Automatic unmanned aerial vehicle charging platform who returns to middle Download PDF

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Publication number
CN216102839U
CN216102839U CN202122479800.4U CN202122479800U CN216102839U CN 216102839 U CN216102839 U CN 216102839U CN 202122479800 U CN202122479800 U CN 202122479800U CN 216102839 U CN216102839 U CN 216102839U
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China
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aerial vehicle
unmanned aerial
platform
base
push rod
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Active
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CN202122479800.4U
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Chinese (zh)
Inventor
张岐良
王伟
陈洪波
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Sun Yat Sen University
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Sun Yat Sen University
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The utility model relates to the field of unmanned aerial vehicle charging, and particularly discloses an automatic centering unmanned aerial vehicle charging platform which comprises a base, a lifting platform, a centering mechanism and a charging terminal, wherein the lifting platform is arranged on the base; the lifting platform is connected with the upper surface of the base in a sliding manner; the centering mechanism is fixedly connected with the base and comprises at least one centering push rod for pushing the unmanned aerial vehicle and the lifting platform; the charging terminal is arranged on the centering push rod. According to the utility model, through the horizontally sliding lifting platform, the abrasion and deformation of the unmanned aerial vehicle frame on which the unmanned aerial vehicle falls are reduced, and the energy loss in the process of returning is reduced; make unmanned aerial vehicle's after returning to the middle charging electrode can be better just to the terminal that charges, reduce the wearing and tearing of the terminal that charges and unmanned aerial vehicle charging electrode, improve the contact accuracy.

Description

Automatic unmanned aerial vehicle charging platform who returns to middle
Technical Field
The utility model relates to the field of unmanned aerial vehicle charging, in particular to an automatic-centering unmanned aerial vehicle charging platform.
Background
Along with the rapid development of the unmanned aerial vehicle technology, the application scene of the unmanned aerial vehicle is more and more extensive, the unmanned aerial vehicle is not only applied to military aspects, but also applied to the fields of agriculture, data acquisition, rescue and disaster relief, delivery, performance, photography and the like, the unmanned aerial vehicle plays an increasingly important role in daily life, and as one of the technical difficulties of the unmanned aerial vehicle, how to rapidly, efficiently and automatically charge the unmanned aerial vehicle is still a difficult problem. In the unmanned aerial vehicle application scene of carrying out the repetitive work for a long time in the part, need fly back to the platform that charges after unmanned aerial vehicle operation a period and fly back and continue the operation, how to charge to unmanned aerial vehicle fast, convenient, the automation is the problem that technical staff is always solving.
The existing unmanned aerial vehicle charging platform scheme is mainly divided into three categories, namely, the unmanned aerial vehicle is accurately landed on a charging device through a guiding technology, and then the unmanned aerial vehicle is charged through manual operation, but the scheme has great requirements on landing precision of the unmanned aerial vehicle, has higher requirements on environment and precision of positioning equipment of the unmanned aerial vehicle, and is high in implementation cost, high in fault rate and troublesome in maintenance; secondly, the battery of the parked unmanned aerial vehicle is replaced through a mechanical structure, the unmanned aerial vehicle can be immediately put into operation after the battery is replaced, but the scheme is also influenced by the landing precision, the battery is taken down and inserted, the abrasion of a battery electrode and a connecting part is easily caused, and the equipment cost is increased due to the plurality of standby batteries; thirdly, carry out the position through the push rod of returning to the middle to falling the unmanned aerial vehicle that rises and falls the platform and return to the middle, then let the push rod that has the terminal that charges and the charging electrode contact on the unmanned aerial vehicle, charge to unmanned aerial vehicle, this kind of charging scheme has reduced the requirement to unmanned aerial vehicle descending position precision, nevertheless because be sliding friction between unmanned aerial vehicle and the charging platform, long-time work can cause the unmanned aerial vehicle frame to warp, wearing and tearing, and the waste of energy, and return to the middle push rod and promote unmanned aerial vehicle in-process because the resistance is big, unmanned aerial vehicle can not be pushed to the position that needs completely, lead to charging terminal and charging inaccurate, make the two easy electrode couple damage, and lead to easily charging electrode can not carry out good contact with the charging terminal on the push rod of returning to the middle.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems that the body of an unmanned aerial vehicle is easy to wear and damage a charging terminal in the returning process and the requirement on landing accuracy is high, the utility model provides an unmanned aerial vehicle charging platform capable of automatically returning to the center.
The technical scheme adopted by the utility model is as follows: an unmanned aerial vehicle charging platform capable of automatically centering comprises a base, a lifting platform, a centering mechanism and a charging terminal; the lifting platform is connected with the upper surface of the base in a sliding manner; the centering mechanism is fixedly connected with the base and comprises at least one centering push rod for pushing the unmanned aerial vehicle and the lifting platform; the charging terminal is arranged on the centering push rod.
Preferably, the centering mechanism comprises two first centering push rods and at least one second centering push rod, the two first centering push rods are symmetrically arranged on two sides of the base, the second centering push rod is provided with a charging terminal, and the second centering push rod is arranged at one end of the base in a direction perpendicular to the first centering push rod.
Preferably, two second centering push rods are symmetrically arranged at two ends of the base, and each second centering push rod is provided with the charging terminal.
Preferably, the base upper surface is equipped with four step motor and four first lead screws, step motor's rotor with the transmission of first lead screw one-to-one links to each other, step motor's stator with the base is fixed to be linked to each other, every equal symmetrical cover is equipped with two sliding blocks on the first lead screw, first lead screw both ends are equipped with fixing bearing, fixing bearing all with the base is fixed to be linked to each other, two push rod and two in first returning to the centre the push rod both ends in the second returning to the centre all with the sliding block is fixed to link to each other.
Preferably, the landing platform is provided with a high friction layer on the upper surface.
Preferably, a buffer assembly is arranged in the landing platform.
Preferably, the lifting platform is provided with a steering assembly, and the steering assembly comprises a steering motor and a steering transmission unit.
Preferably, the lower surface of the lifting platform and the upper surface of the base are both provided with low-friction layers.
Preferably, the lower surface of the lifting platform is provided with a plurality of universal wheels, and the lower ends of the universal wheels are rotatably connected with the upper surface of the base.
Preferably, the lifting platform is provided with a resetting component below, and the resetting component is fixedly connected with the base.
The utility model has the beneficial effects that:
through the landing platform that horizontally slides on the base, make unmanned aerial vehicle and landing platform keep static relatively, reduced the wearing and tearing and the deformation of unmanned aerial vehicle frame in the motion of returning to the central authorities, and reduced the energy loss of in-process of returning to the central authorities.
Preferably, through the high frictional force layer of the platform upper surface that rises and falls, increased the frictional force between unmanned aerial vehicle and the platform that rises and falls to guarantee that unmanned aerial vehicle and the platform that rises and falls keep relative static at the in-process that returns, reduce the sliding wear of unmanned aerial vehicle on the platform that rises and falls.
Preferably, the steering assembly enables the charging electrode of the unmanned aerial vehicle to better face the charging terminal after the unmanned aerial vehicle returns to the center, reduces the abrasion of the charging terminal and the charging electrode of the unmanned aerial vehicle, and improves the accuracy rate of correct contact of the charging terminal;
preferably, through the buffering subassembly, the vibrations energy that produces when absorbing unmanned aerial vehicle takes off and land reduces unmanned aerial vehicle and takes off and land the damage because vibrations produce when reducing unmanned aerial vehicle and take off and land, has reduced the restriction to unmanned aerial vehicle landing speed simultaneously, ensures unmanned aerial vehicle organism and charging platform's security when unmanned aerial vehicle takes off and land with faster speed, improves the efficiency of taking off and land.
Drawings
Fig. 1 is a schematic structural diagram of one embodiment of the present invention.
In the figure: 1. a base; 2. a first lead screw; 3. a stepping motor; 4. a slider; 5. fixing the bearing; 6. a second centering push rod; 7. a first charging terminal; 8. charging the negative electrode; 9. a first generic data interface; 10. a second charging terminal; 11. a second universal data interface; 12. charging the positive electrode; 13. a first centering push rod; 14. a lifting platform.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
Referring to fig. 1, which is one embodiment of the present invention, the charging platform of the unmanned aerial vehicle of this embodiment includes a base 1, a landing platform 14, a centering mechanism, and a charging terminal; the unmanned aerial vehicle is provided with a charging electrode, and the lifting platform 14 is connected with the upper surface of the base 1 in a sliding manner; the centering mechanism is fixedly connected with the base 1 and comprises at least one centering push rod for pushing the unmanned aerial vehicle and the lifting platform 14; the charging terminal is arranged on the centering push rod.
Wherein, the platform 14 that rises and falls can freely slide along the horizontal plane at base 1 upper surface, and at the during operation, unmanned aerial vehicle descends at the platform 14 upper surface that rises and falls, and mechanism promotes unmanned aerial vehicle and the platform 14 that rises and falls to slide on base 1 together in returning to the centre, makes unmanned aerial vehicle move to the centre position of base 1, and the charging terminal on the push rod is aimed at unmanned aerial vehicle's charging electrode in conveniently returning to the centre, charges for unmanned aerial vehicle. Through the landing platform 14 of horizontal slip on base 1, unmanned aerial vehicle and landing platform 14 keep static relatively, utilize the sliding friction between landing platform 14 and the base 1 to replace the sliding friction between unmanned aerial vehicle and the landing platform 14, and the frictional force between landing platform 14 and the base 1 can further reduce, and the frictional force between unmanned aerial vehicle and the landing platform 14 is strengthened, thereby can reduce unmanned aerial vehicle in the motion process of returning to the middle, because frame wearing and tearing and the deformation that the friction between unmanned aerial vehicle and the landing platform 14 leads to, can reduce the energy loss of in-process of returning to the middle simultaneously.
The lifting platform 14 of this embodiment is connected to the upper surface of the base 1 in a sliding manner, and is implemented by arranging low friction layers on both the lower surface of the lifting platform 14 and the upper surface of the base 1, in this embodiment, a smooth surface is used to reduce the friction between the lifting platform 14 and the base 1, and in other embodiments, technologies such as universal wheels, balls, double-layer guide rails, air cushions, buoyancy floating, lubricating oil, magnetic suspension, or any combination thereof may also be used to reduce the friction between the lifting platform 14 and the base 1. In the embodiment, the friction between the lower surface of the lifting platform 14 and the upper surface of the base 1 is reduced through a relatively smooth contact surface; in another embodiment, the lower surface of the landing platform 14 is provided with a plurality of universal wheels or balls, and the landing platform 14 can freely move on the upper surface of the base 1 by rolling of the plurality of universal wheels or balls, so that the effect of reducing the friction force between the lower surface of the landing platform 14 and the upper surface of the base 1 is also achieved.
Preferably, the centering mechanism comprises two first centering push rods 13 and two second centering push rods 6, the two first centering push rods 13 are symmetrically arranged on two sides of the base 1, each second centering push rod 6 is provided with a charging terminal, and the second centering push rods 6 are arranged at one end of the base 1 in a direction perpendicular to the first centering push rods 13. The two first centering push rods 13 and the two second centering push rods 6 are distributed in a shape of a Chinese character jing.
The upper surface of the base 1 is provided with four stepping motors 3 and four first lead screws 2, rotors of the stepping motors 3 are in one-to-one transmission connection with the first lead screws 2, stators of the stepping motors 3 are fixedly connected with the base 1, each first lead screw 2 is symmetrically provided with two sliding blocks 4 in a sleeved mode, two ends of each first lead screw 2 are provided with fixing bearings 5, the fixing bearings 5 are fixedly connected with the base 1, and two first middle-returning push rods 13 and two second middle-returning push rods 6 are fixedly connected with the sliding blocks 4. The stepping motor 3 drives the first centering push rod 13 and the second centering push rod 6 to move towards the center of the base 1 symmetrically through the matching of the first screw rod 2 and the sliding block 4, and the unmanned aerial vehicle is pushed to move together with the lifting platform 14.
Wherein, the both ends screw thread opposite direction of first lead screw 2 makes when first lead screw 2 rotates, two sliding block 4 symmetry relative motion that 2 both ends cover of first lead screw were established. In another embodiment, the thread directions of the two ends of the first lead screw 2 are the same, the bevel gear box is arranged in the middle of the first lead screw 2, the lower part of the bevel gear box is in transmission connection with the rotor of the stepping motor 3, the first lead screws 2 on the two sides of the bevel gear box rotate reversely, and at the moment, the two sliding blocks 4 sleeved at the two ends of the first lead screws 2 can also realize symmetrical relative motion.
Preferably, the landing platform 14 is provided with a high friction layer on its upper surface. The high frictional force layer is used for increasing the frictional force between unmanned aerial vehicle and the platform 14 that rises and falls, and the high frictional force layer is the sheet layer of upper surface for frosting or anti-skidding rubber face, or the irregular flat board that has recess or bayonet lock. Through the high frictional force layer of the platform 14 upper surface that rises and falls, increased the frictional force between unmanned aerial vehicle and the platform 14 that rises and falls to guarantee that unmanned aerial vehicle and platform 14 that rise and fall remain relatively static at the in-process of returning to the original place, reduce unmanned aerial vehicle and lead to the unmanned aerial vehicle wearing and tearing on platform 14 that relatively slides.
Preferably, the landing platform 14 is provided with a buffer assembly for damping the landing of the unmanned aerial vehicle, absorbing the vibration energy generated during the landing of the unmanned aerial vehicle, and reducing the damage caused by the vibration during the landing of the unmanned aerial vehicle; simultaneously, the restriction of speed when can also reducing unmanned aerial vehicle and taking off and land ensures unmanned aerial vehicle organism and charging platform's security when taking off and land with faster speed, improves take off and land efficiency. The buffering component can be a spring component, and the spring absorbs vibration energy generated when the unmanned aerial vehicle takes off and lands; the buffering subassembly also can be the damping layer, absorbs the vibrations energy that produces when unmanned aerial vehicle takes off and land through gentle elastic material layer.
Preferably, it turns to the subassembly to be equipped with on the platform 14 that rises and falls, turn to the subassembly including turning to the motor and turning to the drive unit, the orientation of charging electrode orientation is not when just to the charging terminal after unmanned aerial vehicle falls, the angle that turns to passes through position sensor or control charging platform's video identification, calculate unmanned aerial vehicle needs pivoted angle, with the orientation that turns to the subassembly and transfer unmanned aerial vehicle, the rethread is put back the subassembly and is promoted unmanned aerial vehicle and put back in the middle, further reduce unmanned aerial vehicle at the wearing and tearing of in-process of putting back in the middle, improve the accuracy of charging terminal and the relative contact of charging electrode. The steering transmission unit may be a turntable driven by a steering motor or a wheel set, and the lifting platform 14 is driven by the steering motor to perform a self-rotating motion on the base 1.
Preferably, can also be equipped with the reset assembly under the platform 14 that rises and falls, reset assembly and base 1 are fixed continuous, through the reset assembly, after unmanned aerial vehicle takes off, with the platform 14 that rises and falls in the base 1 central point and put and wait that unmanned aerial vehicle descends next time. The reset assembly may be one or more robotic arms that push the landing platform 14 to reset; the landing platform 14 can also be an elastic mechanism, when the unmanned aerial vehicle takes off, the landing platform 14 can be automatically reset through elasticity, a limiting device is further arranged between the landing platform 14 and the base 1 in the embodiment, and after the unmanned aerial vehicle lands and completes centering, the limiting device is started to lock the position of the landing platform 14 until the unmanned aerial vehicle takes off and leaves the landing platform 14; the resetting component can also be a wheel set with power, and resetting is realized by rotating the wheel set to move the lifting platform 14 on the base 1.
Preferably, a universal data interface is arranged on the charging terminal and used for controlling the unmanned aerial vehicle to be turned on and turned off; preferably, be equipped with communication circuit in the base 1, communication circuit and general data interface electric connection, general data interface still is used for carrying out data interconnection with unmanned aerial vehicle, realizes that unmanned aerial vehicle and external equipment have wired or wireless data communication through communication circuit.
As another embodiment of the present invention, the charging terminal on the second centering push rod 6 includes a first charging terminal 7 and a second charging terminal 10, the first charging terminal 7 is provided with a charging negative electrode 8 and a first universal data interface 9, the second charging terminal 10 is provided with a second universal data interface 11 and a charging positive electrode 12, the relative position on the unmanned aerial vehicle is also provided with a corresponding electrode contact, the first universal data interface 9 and the second universal data interface 11 are used for performing data interconnection with the unmanned aerial vehicle to control the charging process of the unmanned aerial vehicle, and meanwhile, through the communication circuit provided in the base 1, operations such as online detection and maintenance of the unmanned aerial vehicle, online data and system update, and convenient writing of new task execution programs and the like can be realized through a link network.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims (10)

1. An unmanned aerial vehicle charging platform capable of automatically centering is characterized by comprising a base, a lifting platform, a centering mechanism and a charging terminal;
the lifting platform is connected with the upper surface of the base in a sliding manner;
the centering mechanism is fixedly connected with the base and comprises at least one centering push rod for pushing the unmanned aerial vehicle and the lifting platform;
the charging terminal is arranged on the centering push rod.
2. The automatic unmanned aerial vehicle that centers in of claim 1 charges platform, characterized in that, the mechanism that centers in includes two first push rods that center in and at least one second push rod that centers in, two first push rods that center in locate the base both sides symmetrically, second push rod that centers in is equipped with the terminal that charges, and second push rod that centers in locate base one end according to with first push rod that centers in the vertical direction.
3. The automatic unmanned aerial vehicle that centers that returns of claim 2 platform, characterized in that, base both ends symmetry are equipped with two the push rods that center, all are equipped with the terminal that charges on every push rod that centers.
4. The automatic unmanned aerial vehicle that centers in of claim 3 platform that charges, the base upper surface is equipped with four step motor and four first lead screw, step motor's rotor with first lead screw one-to-one transmission links to each other, step motor's stator with the base is fixed continuous, every all overlap on the first lead screw and be equipped with two sliding blocks, first lead screw both ends are equipped with fixing bearing, fixing bearing all with the base is fixed continuous, two first push rod and two second push rod both ends of centering with the sliding block is fixed continuous.
5. An automatic homing drone charging platform according to any one of claims 1 to 4, wherein the landing platform upper surface is provided with a high friction layer.
6. An automatic homing drone charging platform according to any one of claims 1 to 4, wherein a buffer assembly is provided in the landing platform.
7. An automatic homing unmanned aerial vehicle charging platform according to any one of claims 1 to 4, wherein a steering assembly is provided on the landing platform, the steering assembly including a steering motor and a steering transmission unit.
8. An automatic homing drone charging platform according to claim 1, wherein the lower landing platform surface and the upper base surface are provided with low friction layers.
9. The charging platform for unmanned aerial vehicle for automatic homing according to claim 1, wherein a plurality of universal wheels are provided on a lower surface of the landing platform, and lower ends of the universal wheels are rotatably connected with an upper surface of the base.
10. An automatic homing unmanned aerial vehicle charging platform of any one of claims 8-9, wherein a reset assembly is provided under the landing platform, the reset assembly being fixedly connected to the base.
CN202122479800.4U 2021-10-13 2021-10-13 Automatic unmanned aerial vehicle charging platform who returns to middle Active CN216102839U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122479800.4U CN216102839U (en) 2021-10-13 2021-10-13 Automatic unmanned aerial vehicle charging platform who returns to middle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122479800.4U CN216102839U (en) 2021-10-13 2021-10-13 Automatic unmanned aerial vehicle charging platform who returns to middle

Publications (1)

Publication Number Publication Date
CN216102839U true CN216102839U (en) 2022-03-22

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CN202122479800.4U Active CN216102839U (en) 2021-10-13 2021-10-13 Automatic unmanned aerial vehicle charging platform who returns to middle

Country Status (1)

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CN (1) CN216102839U (en)

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