CN114633645A - Unmanned aerial vehicle contact clamping device and contact charging device that charge - Google Patents
Unmanned aerial vehicle contact clamping device and contact charging device that charge Download PDFInfo
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- CN114633645A CN114633645A CN202210313580.4A CN202210313580A CN114633645A CN 114633645 A CN114633645 A CN 114633645A CN 202210313580 A CN202210313580 A CN 202210313580A CN 114633645 A CN114633645 A CN 114633645A
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- elastic sheet
- contact
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- aerial vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
- B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F1/00—Ground or aircraft-carrier-deck installations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U50/00—Propulsion; Power supply
- B64U50/10—Propulsion
- B64U50/19—Propulsion using electrically powered motors
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H6/00—Buildings for parking cars, rolling-stock, aircraft, vessels or like vehicles, e.g. garages
- E04H6/44—Buildings for parking cars, rolling-stock, aircraft, vessels or like vehicles, e.g. garages for storing aircraft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/10—Air crafts
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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
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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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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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
- 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
Abstract
The invention discloses an unmanned aerial vehicle contact charging clamping device which comprises an installation block, a first motion block and a second motion block, wherein the first motion block and the second motion block are arranged on the installation block; gaps are reserved between the charging elastic sheet and the first fixing block and between the charging elastic sheet and the second fixing block, and a charging channel is formed between the first fixing block and the second fixing block; the two ends of the charging elastic sheet are connected through a spring. According to the invention, through the arrangement of the charging elastic sheet and the moving block, when charging is carried out, the moving block drives the charging elastic sheet to clamp the undercarriage, the charging elastic sheet deforms under stress, so that the two electrodes are changed from point contact into surface contact, and the clamping force is ensured, thereby meeting the requirements of the contact surface and the contact pressure of contact charging and ensuring the reliability of contact charging.
Description
Technical Field
The invention relates to the technical field of unmanned aerial vehicles, in particular to a contact charging clamping device and a contact charging device for an unmanned aerial vehicle.
Background
An unmanned plane, called an unmanned plane for short, is an unmanned plane operated by radio remote control equipment and a self-contained program control device, and is widely applied to various fields such as reconnaissance, survey, inspection, rescue and the like. At present, unmanned aerial vehicle's duration is the important problem that faces in the use, and the common use has the charge mode to have: wireless charging and contact charging.
The wireless charging technology of unmanned aerial vehicle mainly divide into electromagnetic induction technique, electromagnetic resonance technique and electric field coupling technique, and electromagnetic induction technique energy utilization is low and efficiency is not high to still lead to the conductor to generate heat easily, and electromagnetic resonance and electric field coupling technique receive the great easy interference that receives of electromagnetic influence, and probably influence unmanned aerial vehicle's normal communication in addition.
At present, unmanned aerial vehicle contact charging technology in the industry is mostly set up in undercarriage both sides and undercarriage parallel contact charging device, and behind the fixed undercarriage, clamping device drives contact charging device and undercarriage contact, and parallel arrangement contact charging device may be because of extruding present single point contact or contact failure, is difficult to guarantee the area of contact that charges, influences the effect of charging. In addition, deformation of the charging spring plate is small only by means of extrusion deformation of the mechanism, and contact reliability is difficult to guarantee.
An automatic clamping and charging device for a vehicle-mounted unmanned aerial vehicle (patent number CN112373373A) provides a contact charging device for the vehicle-mounted unmanned aerial vehicle, and solves the problems of fixing and charging the unmanned aerial vehicle which stops at the roof. The main principle of the charging device is as follows: be equipped with the fixed plate on the roof, be equipped with the pushing mechanism who promotes unmanned aerial vehicle to the assigned position on the fixed plate, pushing mechanism is including the symmetry setting horizontal pushing mechanism and vertical pushing mechanism around the fixed plate respectively, drives the first second baffle of shut down the board top, realizes unmanned aerial vehicle's removal and fixed, first baffle and second baffle are hollow structure, be equipped with in the second baffle with the charging contact assorted charging device unmanned aerial vehicle contact charging device. This charging device's use has the limitation, can only be applicable to the structure that unmanned aerial vehicle undercarriage bottom was equipped with the horizontal pole, to the large-scale unmanned aerial vehicle who has flight height requirement, the unmanned aerial vehicle undercarriage that is equipped with the horizontal pole can increase the windage, therefore application range is limited.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a contact charging clamping device and a contact charging device for an unmanned aerial vehicle, and solves the problems that a contact type charging structure in the prior art is not easy to clamp an undercarriage, low in charging efficiency and easy to heat.
In order to solve the technical problems, the invention adopts the following technical scheme to realize: an unmanned aerial vehicle contact charging clamping device comprises an installation block, a first motion block and a second motion block, wherein the first motion block and the second motion block are arranged on the installation block, a first fixing block is arranged on the first motion block, a second fixing block is arranged on the second motion block, and charging elastic pieces are arranged on the outer sides of the first fixing block and the second fixing block;
the first motion block and the second motion block can move away from or towards each other;
gaps are reserved between the charging elastic sheet and the first fixing block and between the charging elastic sheet and the second fixing block, and a charging channel is formed between the first fixing block and the second fixing block;
the two ends of the charging elastic sheet are connected through a spring.
The invention also has the following technical characteristics:
the charging elastic sheet comprises a first charging elastic sheet, a second charging elastic sheet, a third charging elastic sheet and a fourth charging elastic sheet which are connected in sequence;
the first charging elastic sheet and the fourth charging elastic sheet are arranged in parallel, and the second charging elastic sheet is vertically connected with one end of the first charging elastic sheet back to the fourth charging elastic sheet;
one end of the second charging elastic sheet is connected with one end of the first charging elastic sheet, and the other end of the second charging elastic sheet is connected with one end of the third charging elastic sheet;
one end of the third charging elastic sheet is connected with one end of the second charging elastic sheet, and the other end of the third charging elastic sheet is connected with one end of the fourth charging elastic sheet;
and a spring is arranged between the first charging elastic sheet and the fourth charging elastic sheet.
The third charging elastic sheet is arc-shaped.
The third charging elastic sheet is composed of a contact elastic sheet and a support elastic sheet which are perpendicular to each other, the contact elastic sheet is parallel to the fourth charging elastic sheet and perpendicular to the second charging elastic sheet, and the support elastic sheet is parallel to the spring.
The first motion block and the second motion block are horizontally or vertically or obliquely arranged.
The first motion block and the second motion block are arranged in a linear symmetry mode along the charging channel, and the third charging elastic piece is used for being in contact with an undercarriage of the unmanned aerial vehicle and charging.
The first motion block and the second motion block may move apart or toward each other.
The mounting block is generally rectangular.
Insulating layers are uniformly arranged between the charging elastic sheet and the first fixing block and between the charging elastic sheet and the second fixing block, and the charging elastic sheet is connected with a charging cable.
A contact charging device comprises a nest and the unmanned aerial vehicle contact charging clamping device;
the nest includes the nest body and installs the nest lid that can open and shut at nest body top, unmanned aerial vehicle contact clamping device that charges passes through the connecting block and installs at nest body top.
Compared with the prior art, the invention has the following technical effects:
according to the invention, (I) through the arrangement of the charging elastic sheet and the moving block, when charging, the moving block drives the charging elastic sheet to clamp the undercarriage, the charging elastic sheet is stressed to deform, so that the two electrodes are changed from point contact to surface contact, the clamping force is ensured, the arrangement of the spring enables the contact area of the charging elastic sheet to be larger, the reliability to be higher, and the clamping force to be ensured, so that the requirements of the contact surface and the contact pressure of contact charging are met, and the reliability of contact charging is ensured.
The contact charging clamping device for the unmanned aerial vehicle, provided by the invention, can solve the charging problem of the composite wing unmanned aerial vehicle through a simple structure, avoids the problems of conductor heating and electromagnetic interference caused by wireless charging, realizes automatic charging of a nest of the unmanned aerial vehicle, and solves the problem of insufficient cruising ability of the unmanned aerial vehicle.
The invention (III) has simple structure and convenient use, and can greatly save manpower and material resources.
Drawings
Fig. 1 is a schematic view of the general structure of a contact charging clamping device of an unmanned aerial vehicle;
fig. 2 is a schematic structural view of a charging spring plate of the contact charging clamping device of the unmanned aerial vehicle;
fig. 3 is a schematic view of a horizontal arrangement structure of a first motion block and a second motion block;
fig. 4 is a schematic view of the arrangement structure of the charging spring plate which is rectangular and the first motion block and the second motion block are perpendicular to the landing gear;
fig. 5 is a schematic diagram illustrating simulated clamping of a charging spring of the contact charging clamping device of the unmanned aerial vehicle;
fig. 6 is a schematic diagram of simulated clamping deformation of a charging elastic sheet of the contact charging clamping device of the unmanned aerial vehicle;
fig. 7 is a cloud chart i of simulated clamping stress of a charging elastic sheet of the contact charging clamping device of the unmanned aerial vehicle;
fig. 8 is a cloud chart ii of simulated clamping stress of a charging elastic sheet of the contact charging clamping device of the unmanned aerial vehicle;
fig. 9 is a cloud chart iii of simulated clamping stress of a charging spring of the contact charging clamping device of the unmanned aerial vehicle;
fig. 10 is a schematic structural diagram of a contact charging device.
The various reference numbers in the drawings have the meanings given below:
1-mounting a block; 2-first motion block: 3-a second motion block; 4-a first fixed block; 5-a second fixed block, 6-a charging elastic sheet, 7-a charging channel, 8-a spring, 9-an insulating layer, 10-a charging cable, 11-a machine nest, 12-a connecting block and 13-a landing gear;
6-1, 6-2, 6-3, 6-4 and four charging elastic sheets;
6-3-1 contact spring piece, 6-3-2 support spring piece;
11-1 nest body and 11-2 nest cover.
The present invention will be explained in further detail with reference to examples.
Detailed Description
The following embodiments of the present invention are provided, and it should be noted that the present invention is not limited to the following embodiments, and all equivalent changes based on the technical solutions of the present invention are within the protection scope of the present invention.
As used herein, the terms "upper," "lower," "front," "back," "top," "bottom," and the like are used in an orientation or positional relationship that is indicated for convenience in describing the invention and to simplify the description, but does not indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operative in a particular orientation, "inner" and "outer" refer to the inner and outer of the contours of the corresponding parts and are not to be construed as limiting the invention.
In the present invention, the terms "mounted," "connected," "fixed," and the like are used broadly, and may be, for example, fixedly connected, detachably connected, or integrated without being described to the contrary; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
All components in the present invention, unless otherwise specified, are all those known in the art.
Because large-scale unmanned aerial vehicle's flying height is high, connects the windage that the horizontal pole can increase the aircraft between the undercarriage, under such a condition, the contact charges just can only install on the undercarriage. The landing gear of the airplane is irregular in shape, and the charging efficiency can be guaranteed only by guaranteeing the stress load between the charging electrodes and guaranteeing the sufficient contact area.
Meanwhile, the charging requirement of small-area large current (60VDC/40A) of an irregular landing gear (composite aerodynamic shape) is met, and ignition, temperature rise and even melting damage caused by contact or poor contact of a contact electrode wire are avoided.
The battery of large-scale compound wing unmanned aerial vehicle is deposited among the ventral, and battery capacity is big, and unmanned on duty's nest can't adopt the arm to change the battery, so adopt the mode that the contact charges to charge for the unmanned aerial vehicle battery. 220V alternating current is converted into direct current meeting the charging requirement of the battery through a charging power supply. The charging power supply comprises an input filtering unit, a rectifying unit, a phase-shifted full-bridge conversion unit, a high-frequency voltage transformation unit, a full-wave rectification filtering unit and a control unit. The unmanned aerial vehicle fuselage group battery connects balanced charging module (balanced charging module realizes the voltage-sharing charging to every section electric core of group battery in the charging process, avoid overcharging the damage that causes electric core, and guarantee that every section electric core is full of completely. The wire of the charging power supply end is connected with the spring type electrode clamping device and is fixed on the clamping mechanism of the unmanned aerial vehicle nest, and after the unmanned aerial vehicle descends and the clamping mechanism finishes clamping and returning actions, the spring type electrode clamping device can clamp the unmanned aerial vehicle to start charging the unmanned aerial vehicle.
Unmanned aerial vehicle is accomplishing the descending centre gripping action of reforming after, and landing gear berth position has certain tolerance to allow the offset at every turn, but the contact is charged and all has the requirement to electrode contact area and pressure, and this is that the requirement still need guarantee contact pressure under the condition that has the displacement deviation, brings the difficulty to the clamping device design of charging electrode.
According to the power requirement and the temperature rise test data of contact charging, the contact structure for clamping the unmanned undercarriage is required to provide the following requirements:
A) contact mode of contact: smooth surface contact;
B) contact area of the contact: not less than 400;
C) contact pressure of the contact: not less than 50N.
Example 1:
according to the technical scheme, as shown in fig. 1 to 4, the contact charging clamping device for the unmanned aerial vehicle comprises an installation block 1, a first motion block 2 and a second motion block 3, wherein the first motion block 2 and the second motion block 3 are arranged on the installation block 1, a first fixed block 4 is arranged on the first motion block 2, a second fixed block 5 is arranged on the second motion block 3, and charging elastic pieces 6 are arranged on the outer sides of the first fixed block 4 and the second fixed block 5; the charging elastic sheet 6 is used for contacting with an undercarriage of the unmanned aerial vehicle and charging.
The first motion block 2 and the second motion block 3 may move away from or toward each other;
the first moving block 2 and the second moving block 3 drive the first fixing block 4 and the second fixing block 5 to move, so that the first fixing block 4 and the second fixing block 5 can conveniently clamp the undercarriage;
gaps are reserved between the charging elastic sheet 6 and the first fixing block 4 and between the charging elastic sheet 6 and the second fixing block 5, spaces for deformation of the charging elastic sheet 6-6 are reserved, and a charging channel 7 is formed between the first fixing block 4 and the second fixing block 5. With the landing gear in place, the landing gear is located in the charging tunnel 7.
And two ends of the charging elastic sheet 6 are connected through a spring 8.
When charging, the motion piece drives the tight undercarriage of shell fragment clamp that charges, and the shell fragment atress that charges takes place to warp, makes two electrodes become the face contact by the point contact, ensures the reliability of contact, and the drive point contact through the motion piece converts the face contact into, increase area of contact, and simultaneously, the setting up of spring makes the shell fragment area of contact that charges bigger, and the reliability is higher, and has guaranteed the clamping-force, thereby reached the contact surface that the contact charges and contact pressure's requirement, has guaranteed the reliability that the contact charges.
The working principle is as follows: after the undercarriage targets in place, the first motion block and the second motion block are closed, the charging elastic sheet arranged on the first motion block and the second motion block clamps the charging electrode of the undercarriage of the unmanned aerial vehicle, along with the increase of the clamping force of the first motion block and the second motion block, the stress of the charging elastic sheet is deformed, the two electrodes are changed into surface contact by point contact, and the clamping of the charging elastic sheet corresponding to the undercarriage electrode is ensured. Therefore, the requirements of the contact surface and the contact pressure of the contact charging are met, and the reliability of the contact charging is ensured.
As a preference of this embodiment:
the charging elastic sheet 6 comprises a first charging elastic sheet 6-1, a second charging elastic sheet 6-2, a third charging elastic sheet 6-3 and a fourth charging elastic sheet 6-4 which are connected in sequence;
the first charging elastic sheet 6-1 and the fourth charging elastic sheet 6-4 are arranged in parallel, and the second charging elastic sheet 6-2 is perpendicularly connected with one end of the first charging elastic sheet 6-1 back to the fourth charging elastic sheet 6-4;
one end of the second charging elastic sheet 6-2 is connected with one end of the first charging elastic sheet 6-1, and the other end of the second charging elastic sheet 6-2 is connected with one end of the third charging elastic sheet 6-3;
one end of the third charging elastic sheet 6-3 is connected with one end of the second charging elastic sheet 6-2, and the other end of the third charging elastic sheet 6-3 is connected with one end of the fourth charging elastic sheet 6-4;
a spring 8 is arranged between the first charging elastic sheet 6-1 and the fourth charging elastic sheet 6-4.
As a preference of this embodiment:
the third charging elastic sheet 6-3 is arc-shaped.
The third charging spring 6-3 deforms during clamping, contact reliability is guaranteed, point contact is converted into surface contact through the driving point of the moving block, and contact area is increased.
As a preference of this embodiment:
the third charging elastic sheet 6-3 is composed of a contact elastic sheet 6-3-1 and a support elastic sheet 6-3-2 which are perpendicular to each other, the contact elastic sheet 6-3-1 is parallel to the fourth charging elastic sheet 6-4 and perpendicular to the second charging elastic sheet 6-2, and the support elastic sheet 6-3-2 is parallel to the spring 8.
The charging spring 6 may be a rectangular structure or another geometric shape, which is determined according to the actual situation.
As a preference of this embodiment:
the first motion block 2 and the second motion block 3 are arranged horizontally or vertically or obliquely.
As a preference of this embodiment:
the first motion block 2 and the second motion block 3 are symmetrically arranged along the straight line where the charging channel 7 is located, and the third charging elastic sheet 6-3 is used for being in contact with an undercarriage of the unmanned aerial vehicle and charging.
As a preference of the present embodiment:
the first motion block 2 and the second motion block 3 may move apart or toward each other. The first moving block 2 and the second moving block 3 drive the first fixing block 4 and the second fixing block 5 to move, so that the first fixing block 4 and the second fixing block 5 can conveniently clamp the undercarriage;
as a preference of this embodiment:
the mounting block 1 is overall cuboid in shape. The manufacturing, processing and installation are convenient.
As a preference of this embodiment:
an insulating layer 9 is arranged between the charging elastic sheet 6 and the first fixing block 4 and between the charging elastic sheet 6 and the second fixing block 5, and a charging cable 10 is connected to the charging elastic sheet 6. The insulating layer 9 avoids the interference between the charging elastic sheet 6 and the first fixing block 4 and the second fixing block 5, and the charging cable 10 provides electric energy for the charging elastic sheet 6.
The charging spring 6 is made of copper alloy.
Example 2:
as shown in fig. 3: unmanned aerial vehicle contact clamping device's first motion piece 2 and second motion piece 3 can have different position, the angle and the shape of first motion piece 2 and second motion piece 3 need change according to the shape and the centre gripping position of unmanned aerial vehicle's undercarriage, for example the shape characteristics to a compound wing unmanned aerial vehicle's undercarriage, can also have the form of horizontal centre gripping, practice thrift the space, provide bigger space for unmanned aerial vehicle descends, reduce the risk of unmanned aerial vehicle decline in-process collision, promote the security. The overall height of the automatic airport is effectively reduced; this structure provides bigger safety space for unmanned aerial vehicle descends, avoids unmanned aerial vehicle stationary vane screw and airborne equipment to interfere with centre gripping centering device when descending.
Example 3:
as shown in fig. 4: the first motion piece 2 and the second motion piece 3 of unmanned aerial vehicle contact clamping device that charges can have different position, and the angle and the shape of first motion piece 2 and second motion piece 3 need change according to the shape and the centre gripping position of unmanned aerial vehicle's undercarriage, for example to the shape characteristics of a compound wing unmanned aerial vehicle's undercarriage, can also adopt the direction that the perpendicular to flies to rise the landing shelf to carry out the centre gripping. The benefit of adopting this kind of centre gripping lies in that the centre gripping position is about undercarriage symmetric distribution, and shearing force when reducing the centre gripping is to the influence of undercarriage, increases the life-span of unmanned aerial vehicle contact clamping device and unmanned aerial vehicle undercarriage that charges.
Example 4:
as shown in fig. 4, the overall charging spring is rectangular, and the clamping device has the advantages that the shape of the clamping device is standard rectangular, the contact surface is neat, the contact surface which is large enough can be ensured, and the charging efficiency is improved.
Example 5:
the copper alloy special-shaped plate is subjected to stress simulation by using software:
the left side of the attached figure 5 shows the contact condition between the charging spring 6 and the unmanned landing gear when the spring type electrode clamping device just contacts the unmanned landing gear, the length of the contact surface is 15mm, the width of the charging spring 6 is 20mm, and therefore the area of the contact surface is 300mm2And does not meet the charging requirement.
The right side of the attached figure 5 shows the contact condition of the charging elastic sheet 6 and the unmanned landing gear after the spring type electrode clamping device is subjected to the acting force of the electric clamping jaw, the length of the contact surface is 29mm, the width of the charging elastic sheet 6 is 20mm, and therefore the area of the contact surface is 580mm2And the surface contact is increased by 93%, so that the charging requirement can be met.
Figure 6 is the contrast picture of two kinds of states, and the shell fragment 6 that charges receives behind the effort of electric clamping jaw, under the effect of spring, takes place deformation, and the area of contact of increase and unmanned aerial vehicle's undercarriage has improved charge efficiency.
Fig. 7 and 8 are stress clouds after charging spring 6 contacts and extrudes the landing gear electrode of unmanned aerial vehicle.
Fig. 9 is a cloud of the deformation of the charging spring 6 after the plate contacts and presses the landing gear electrode of the drone.
Example 6:
as shown in fig. 10, a contact charging device includes a nest 11, and further includes the contact charging clamping device of the drone in the above embodiment;
the unmanned aerial vehicle contact charging clamping device comprises an unmanned aerial vehicle contact charging clamping device and a nest cover 11-2, wherein the nest cover 11-1 is arranged on the top of the nest body 11-1 and can be opened and closed, and the unmanned aerial vehicle contact charging clamping device is arranged on the top of the nest body 11-1 through a connecting block 12.
The nest is automatically controlled by no person and remotely monitored, all operations are automatically completed by interaction of the nest and the unmanned aerial vehicle, and special operations are completed by monitoring and controlling of a control room of an upper computer;
when the unmanned aerial vehicle flies to a landing area, the nest receives a nest entering instruction, the control command instructs the unmanned aerial vehicle nest 3 to open the nest cover, and the unmanned aerial vehicle nest touches a travel switch to stop after being in place to wait for receiving the unmanned aerial vehicle;
unmanned aerial vehicle falls into nest body 11-1, and unmanned aerial vehicle contact clamping device presss from both sides tight unmanned aerial vehicle's undercarriage, detects the contact state simultaneously, makes the preparation of charging.
Compare in the wireless charging technology of unmanned aerial vehicle nest, the contact charging device who provides of this embodiment's advantage lies in: the charging efficiency is high, and the energy utilization rate is high; the heat generation of the conductor is low; electromagnetic interference is little, does not influence unmanned aerial vehicle's normal communication.
Compare in "automatic centre gripping charging device of on-vehicle unmanned aerial vehicle" (patent number CN112373373A) and propose a contact charging device of on-vehicle unmanned aerial vehicle, the contact that charges of the compound wing unmanned aerial vehicle contact charging mode that this patent provided directly sets up on unmanned aerial vehicle's undercarriage, does not restrict the restriction that has or not the connecting rod between two undercarriage of unmanned aerial vehicle's undercarriage, is applicable to all polytype unmanned aerial vehicles.
Compare in the wireless charging technology of unmanned aerial vehicle nest, the compound wing unmanned aerial vehicle contact charge mode's that this patent provided advantage lies in: the charging efficiency is high, and the energy utilization rate is high; the heat generation of the conductor is low; electromagnetic interference is little, does not influence unmanned aerial vehicle's normal communication.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be made by those skilled in the art without inventive work within the technical scope of the present invention are included in the scope of the present invention.
Claims (10)
1. An unmanned aerial vehicle contact charging clamping device comprises an installation block (1), a first motion block (2) and a second motion block (3), and is characterized in that the first motion block (2) and the second motion block (3) are arranged on the installation block (1), a first fixed block (4) is installed on the first motion block (2), a second fixed block (5) is installed on the second motion block (3), and charging elastic pieces (6) are installed on the outer sides of the first fixed block (4) and the second fixed block (5);
gaps are reserved between the charging elastic sheet (6) and the first fixing block (4) and between the charging elastic sheet and the second fixing block (5), and a charging channel (7) is formed between the first fixing block (4) and the second fixing block (5);
the two ends of the charging elastic sheet (6) are connected through a spring (8).
2. The unmanned aerial vehicle contact charging clamping device of claim 1, wherein the charging spring (6) comprises a first charging spring (6-1), a second charging spring (6-2), a third charging spring (6-3) and a fourth charging spring (6-4) which are connected in sequence;
the first charging elastic sheet (6-1) and the fourth charging elastic sheet (6-4) are arranged in parallel, and the second charging elastic sheet (6-2) is vertically connected with one end of the first charging elastic sheet (6-1) back to the fourth charging elastic sheet (6-4);
one end of the second charging elastic sheet (6-2) is connected with one end of the first charging elastic sheet (6-1), and the other end of the second charging elastic sheet (6-2) is connected with one end of the third charging elastic sheet (6-3);
one end of a third charging elastic sheet (6-3) is connected with one end of a second charging elastic sheet (6-2), and the other end of the third charging elastic sheet (6-3) is connected with one end of a fourth charging elastic sheet (6-4);
a spring (8) is arranged between the first charging elastic sheet (6-1) and the fourth charging elastic sheet (6-4).
3. The unmanned aerial vehicle contact clamping device that charges of claim 1, characterized in that, the third shell fragment that charges (6-3) is the arc.
4. The unmanned aerial vehicle contact charging clamping device of claim 2, wherein the third charging spring (6-3) is composed of a contact spring (6-3-1) and a support spring (6-3-2) which are perpendicular to each other, the contact spring (6-3-1) is parallel to the fourth charging spring (6-4) and perpendicular to the second charging spring (6-2), and the support spring (6-3-2) is parallel to the spring (8).
5. Unmanned aerial vehicle contact charging clamping device of claim 3, characterized in that, the first motion piece (2) with the second motion piece (3) horizontal or vertical or slope arrangement.
6. The contact charging clamping device for the unmanned aerial vehicle as claimed in claim 4 or 5, wherein the first moving block (2) and the second moving block (3) are symmetrically arranged along a line where the charging channel (7) is located, and the third charging spring plate (6-3) is used for being in contact with and charging the landing gear of the unmanned aerial vehicle.
7. The unmanned aerial vehicle contact charging clamping device of claim 2, wherein the first moving block (2) and the second moving block (3) can move away from or towards each other.
8. Unmanned aerial vehicle contact charging clamping device of claim 2, characterized in that the mounting block (1) is overall cuboid-shaped.
9. The unmanned aerial vehicle contact clamping device that charges of claim 1, characterized in that, insulating layer (9) have been arranged between shell fragment (6) and first fixed block (4), second fixed block (5) of charging, be connected with charging cable (10) on the shell fragment (6) of charging.
10. A contact charging device comprising a nest (11), characterized by further comprising a drone contact charging clamp device according to claims 1-9;
the unmanned aerial vehicle contact charging and clamping device is characterized in that the nest (11) comprises a nest body (11-1) and a nest cover (11-2) which is installed at the top of the nest body (11-1) and can be opened and closed, and the unmanned aerial vehicle contact charging and clamping device is installed at the top of the nest body (11-1) through a connecting block (12).
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| CN114633645B (en) | 2023-09-26 |
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