CN112248831A

CN112248831A - Device and method for charging unmanned aerial vehicle by using low-voltage overhead line

Info

Publication number: CN112248831A
Application number: CN202011293099.0A
Authority: CN
Inventors: 倪虹霞; 李玉柱; 高吭
Original assignee: Changchun Institute of Applied Chemistry of CAS
Current assignee: Changchun Institute of Applied Chemistry of CAS; Changchun Institute Technology
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-01-22

Abstract

A device and a charging method for charging an unmanned aerial vehicle by using a low-voltage overhead line comprise a main body frame, a long pantograph, a short pantograph, a transformer, a first remote control socket, a second remote control socket and a remote controller; the main body framework comprises a supporting plate and a binding mechanism, the long pantograph and the short pantograph are respectively and fixedly connected to the supporting plate, and the long pantograph comprises a connecting framework I, an electrode I, a locking mechanism I for locking a wire and a wire taking I; the short pantograph comprises a connecting framework II, an electrode II, a locking mechanism II for locking a wire and a wire taking II; the power taking wire I and the power taking wire II are respectively divided into two paths, wherein one path is connected with the first remote control socket, and the other path is connected with the second remote control socket through a transformer. The scheme can charge the unmanned aerial vehicle by using a field low-voltage overhead line of 0.4KV or 220V, so that the operation efficiency of the unmanned aerial vehicle is improved; meanwhile, the device has the advantages of simple assembly, convenient operation, safe use and the like.

Description

Device and method for charging unmanned aerial vehicle by using low-voltage overhead line

Technical Field

The invention relates to the technical field of unmanned aerial vehicle charging, in particular to a device and a charging method for charging an unmanned aerial vehicle by using a low-voltage overhead line.

Background

At present, the scale of a power grid in China is huge, a power transmission network exceeds 100 ten thousand kilometers, the coverage range is extremely wide, and the power grid is necessary for routine power inspection in order to ensure the normal operation of a power transmission line. Under the condition of adopting traditional manual work to patrol and examine, inefficiency, it is wasted time and energy, most circuit can't obtain effective inspection. With the development of unmanned aerial vehicle technology, it has become an important means for maintaining the power grid to utilize unmanned aerial vehicles to carry out power patrol.

Utilize unmanned aerial vehicle to carry out the electric power and patrol and examine the operation, just involve the problem of charging for unmanned aerial vehicle. In the city, it is very convenient to charge for unmanned aerial vehicle, but in places such as open-air, mountain area, rural area, because transmission line is not concentrated, transmission line and existing road distance are far away etc. practical problem, it is inconvenient to carry battery charging outfit, flies to charge still extravagant continuation of the journey mileage. Therefore, how to charge the unmanned aerial vehicle for power inspection in the field or mountainous area is a real difficult problem.

Disclosure of Invention

In order to solve the technical problems, the invention aims to provide a device and a charging method for charging an unmanned aerial vehicle by using a low-voltage overhead line, the scheme provides an auxiliary device, the unmanned aerial vehicle can be charged by using a field low-voltage overhead line of 0.4KV or 220V, and the operation efficiency of the unmanned aerial vehicle is improved; meanwhile, the device has the advantages of simple assembly, convenient operation, safe use and the like.

The technical scheme adopted by the invention is as follows: a device for charging an unmanned aerial vehicle by using a low-voltage overhead line comprises a main body frame, a long pantograph, a short pantograph, a transformer, a first remote control socket and a second remote control socket;

the main body frame comprises a supporting plate and a binding mechanism arranged below the supporting plate and used for connecting the unmanned aerial vehicle and the supporting plate into an integral structure, the long pantograph and the short pantograph are respectively and fixedly connected onto the supporting plate, and the long pantograph comprises a connecting framework I, an electrode I arranged on the connecting framework I, a locking mechanism I used for locking an electric wire and an electric wire I connected with the electrode I; the short pantograph comprises a connecting framework II, an electrode II arranged on the connecting framework II, a locking mechanism II used for locking a wire and a power taking wire II connected with the electrode II;

the power taking wire I and the power taking wire II are respectively divided into two paths, wherein one path is connected with the first remote control socket, the other path is connected with the input end of the transformer, and the output end of the transformer is connected with the second remote control socket;

and a remote controller for controlling the switches of the first remote control socket and the second remote control socket is also arranged.

Further optimize, the backup pad be the perforated plate, bind the clamping piece of mechanism for being used for centre gripping unmanned aerial vehicle major structure, the one end of clamping piece is passed through coupling assembling and is set up on the backup pad bottom surface.

Further optimize, connection skeleton I and connection skeleton II be L type structure, the one end of connecting skeleton I and connection skeleton II is passed through the fixed setting of connecting piece in the backup pad.

Further optimize, locking mechanism I constitute by fixed sliding sleeve, the actuating mechanism of setting on fixed sliding sleeve and removal sliding sleeve, fixed sliding sleeve and removal sliding sleeve are all established on connecting skeleton I, actuating mechanism's power end is connected with removal sliding sleeve and is used for driving removal sliding sleeve along I reciprocating motion of connecting skeleton, is equipped with the voussoir that can lock the electric wire below removing the sliding sleeve.

Further optimize, still be equipped with and be used for fixing the locking screw of sliding sleeve locking on connecting skeleton I.

Further preferably, the movable sliding sleeve and the wedge block are made of insulating materials.

Further optimizing, locking mechanism II constitute by actuating mechanism, removal slider and the insulating pressure head that is used for chucking the electric wire, connection skeleton II on be equipped with the track groove, remove the slider setting in the track inslot, actuating mechanism's power end connects and removes the slider and is used for driving the slider along track groove direction reciprocating motion, insulating pressure head fixed connection is on removing the slider.

Further optimization, the insulation pressure head is provided with an arc-shaped groove matched with the shape of the electric wire.

Further preferably, a remote switch is provided for controlling whether the locking mechanism in the long pantograph and the short pantograph opens or closes the action of locking the electric wire.

A charging method of a device for charging an unmanned aerial vehicle by using a low-voltage overhead line comprises the following steps:

s1, connecting the unmanned aerial vehicle to be charged with the main body frame into an integral structure through a binding mechanism;

s2, electrically connecting a charging wire of the unmanned aerial vehicle with a first remote control socket or a second remote control socket according to the type of a field overhead wire and the distance between the two wires, and adjusting the positions of all parts of a locking mechanism I in the long pantograph;

s3, starting the unmanned aerial vehicle, controlling the unmanned aerial vehicle to fly to a certain height, ensuring that the front section of the long pantograph is higher than a target wire, then horizontally flying towards the target wire, enabling the long pantograph and the short pantograph to be respectively lapped on different wires, locking the wires through respective locking mechanisms, and remotely closing the unmanned aerial vehicle;

s4, the remote control socket electrically connected with the unmanned aerial vehicle to be charged is controlled by the remote controller to start charging the unmanned aerial vehicle, after charging is completed, the corresponding remote control socket is closed, then the unmanned aerial vehicle is started, and the long pantograph and the short pantograph are respectively separated from the electric wire.

The invention has the beneficial effects that:

through reasonable structural design, the main body frame, the long pantograph, the short pantograph, the transformer, the first remote control socket and the second remote control socket form an auxiliary device capable of charging the unmanned aerial vehicle by using a low-voltage overhead line, the unmanned aerial vehicle can be charged by using a field low-voltage overhead line of 0.4KV or 220V, and the operation efficiency of the unmanned aerial vehicle is improved; meanwhile, the device has the advantages of simple assembly, convenient operation, safe use and the like.

In the scheme, locking mechanisms capable of locking electric wires are respectively arranged in the long pantograph and the short pantograph, so that when the unmanned aerial vehicle drives the main body frame to fly to a certain height, the long pantograph and the short pantograph can be respectively lapped on different electric wires, then the driving mechanism on the short pantograph moves upwards, and the electric wires are clamped in the left and right directions; the driving mechanism on the long pantograph moves outwards in the left-right direction to lock the vertical direction of the electric wire, so that the whole charging auxiliary device can be hung on the electric wire to implement safe charging.

Thirdly, in this scheme, locking mechanism I in the long pantograph is by fixed sliding sleeve, actuating mechanism and removal sliding sleeve are constituteed, actuating mechanism's power end is connected with the removal sliding sleeve and is used for driving the removal sliding sleeve along I reciprocating motion of connection skeleton, be equipped with the voussoir that can lock the electric wire below removing the sliding sleeve, and still be equipped with and be used for fixing the locking screw of sliding sleeve locking on connecting skeleton I, the fixed sliding sleeve of accessible locking screw adjustment is put on connecting skeleton I, this structure can adapt to the low pressure overhead line of different distances.

Fourth, in this scheme, add transformer, first remote control socket and second remote control socket in the device, wherein get the electric wire lug connection among first remote control socket and long pantograph and the short pantograph, the second remote control socket is connected with getting the electric wire among long pantograph and the short pantograph through the transformer, and this structure can adapt to 220V's overhead line or 0.4KV overhead line and carry out unmanned aerial vehicle and charge, has more extensive practicality.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a top view of the support plate of the present invention;

FIG. 3 is a bottom view of the support plate of the present invention;

FIG. 4 is a schematic structural view of a long pantograph according to the present invention;

FIG. 5 is a partial enlarged view of the fixed electrode and the sliding electrode;

FIG. 6 is a schematic structural view of a short pantograph according to the present invention;

FIG. 7 is a schematic structural view of the present invention in use;

FIG. 8 is a schematic view showing the connection of the power supply lines according to the present invention;

fig. 9 is a schematic structural view of the binding mechanism of the present invention.

Reference numerals: 1. main body frame, 11, the backup pad, 12, bind the mechanism, 101, the clamping piece, 102, the pin, 103, the torsional spring, 104, T type slider, 105, T type groove, 2, long pantograph, 21, connect skeleton I, 22, locking mechanism I, 201, fixed sliding sleeve, 202, actuating mechanism, 203, remove the sliding sleeve, 204, the voussoir, 205, locking screw, 23, get electric wire I, 3, short pantograph, 31, connect skeleton II, 32, locking mechanism II, 301, actuating mechanism, 302, the track groove, 303, remove the slider, 304, insulating pressure head, 305, the arc groove, 33, get electric wire II, 4, the transformer, 5, first remote control socket, 6, second remote control socket, 7, remote control switch, 8, unmanned aerial vehicle, 9, the electric wire.

Detailed Description

The invention is described in detail below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

It should be noted that: unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and in the claims of the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a," "an," or "the" and similar referents do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprise" or "comprises", and the like, indicates that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, but does not exclude other elements or items.

The detailed structure of the scheme is described in detail in the following with the attached drawings: as shown in fig. 1 to 8, a device for charging an unmanned aerial vehicle by using a low-voltage overhead line includes a main body frame 1, a long pantograph 2, a short pantograph 3, a transformer 4, a first remote control socket 5, a second remote control socket 6, and a remote controller; the main body frame 1 comprises a supporting plate 11 and a binding mechanism 12 which is arranged below the supporting plate 11 and used for connecting an unmanned aerial vehicle 8 with a charging function and the supporting plate 11 into an integral structure, the long pantograph 2 and the short pantograph 3 are respectively and fixedly connected to the supporting plate 11, the long pantograph 2 comprises a connecting framework I21, an electrode I arranged on the connecting framework I21, a locking mechanism I22 used for locking an electric wire and an electric wire I23 connected with the electrode I, when the main body frame is used, the electric wire is locked by the locking mechanism I22, and the electrode I is contacted with the electric wire; the short pantograph comprises a connecting framework II, an electrode II arranged on the connecting framework II, a locking mechanism II used for locking the wire and a power taking wire II connected with the electrode II, wherein when the short pantograph is used, the locking mechanism II 32 locks the wire, and the electrode II is in contact with the wire;

as shown in fig. 8, the power-taking wire i 23 and the power-taking wire ii 33 are respectively divided into two paths, one path is connected to the first remote control socket 5, the other path is connected to the input end of the transformer 4, and the output end of the transformer 4 is connected to the second remote control socket 6; the remote controller is used for controlling the switches of the first remote control socket 5 and the second remote control socket 6.

It should be noted that: the electrode I and the electrode II are not shown in the drawing, and when mounting, the electrode I is mounted on the lower side of the connecting skeleton I21, and the electrode II is generally mounted on the inner side of the connecting skeleton II.

In the scheme, the supporting plate 11 can be a porous plate, and the weight of the whole auxiliary charging device can be reduced by adopting the porous plate; binding mechanism 12 for the clamping piece that is used for centre gripping unmanned aerial vehicle major structure, the one end of clamping piece passes through coupling assembling and sets up on the backup pad bottom surface.

In this embodiment, as shown in fig. 9, the binding mechanism 12 may have the following structure: the binding mechanism 12 is mainly composed of the following parts: t type slider 104 and the clamping piece 101 that is used for centre gripping unmanned aerial vehicle major structure, T type slider 104 sets up in the T type groove 105 that backup pad 11 bottom surface formed, clamping piece 101 passes through pin 102 to be fixed on T type slider 104, pass torsional spring 103 on the pin 101, provide moment for the centre gripping aircraft, T type slider 104 one side is equipped with blocks the structure, be used for blockking the torsional spring and rotate, T type slider can slide in the T type groove in the backup pad, T type slider mediates required position after, can be by the jackscrew of the top wire pair position of above locking, mediate the position of T type slider, on the one hand can make whole device focus cross partially, there is suitable clamping-force on the one hand.

In this scheme, but connect I21 of skeleton and connect II 31 of skeleton and select L type structure, the one end of connecting I21 of skeleton and connecting II 31 of skeleton passes through the fixed setting in backup pad 11 of connecting pieces such as screw.

The description is as follows: through the above description, the technical staff in the art can understand that locking mechanism I its purpose is used for locking the electric wire and realizes supporting whole long pantograph to hang main body frame intercommunication unmanned aerial vehicle on the electric wire, according to the understanding, technical staff in the art can carry out reasonable change to locking mechanism I's structure, also can adopt following structure: as shown in fig. 4-5, the locking mechanism i 22 is composed of a fixed sliding sleeve 201, a driving mechanism 202 disposed on the fixed sliding sleeve 201, and a movable sliding sleeve 203, the fixed sliding sleeve 201 and the movable sliding sleeve 203 are both sleeved on a connection framework i 21, a power end of the driving mechanism 202 is connected with the movable sliding sleeve 203 for driving the movable sliding sleeve to reciprocate along the connection framework i, and a wedge 204 capable of locking an electric wire is disposed below the movable sliding sleeve 203, wherein the movable sliding sleeve and the wedge are made of an insulating material; considering that the distance between two wires in the overhead line may be different, the following optimization can be performed here: the fixing device is characterized in that a locking screw 205 used for locking the fixing sliding sleeve 201 on the connecting framework I21 is further arranged, according to the field situation, the locking screw 205 can be loosened, the fixing sliding sleeve is adjusted to a proper position, and then the locking screw is screwed to lock the fixing sliding sleeve.

In this scheme, through the above-mentioned description, the technical staff in this field can understand that II purpose of locking mechanism are used for locking the electric wire and realize supporting whole short pantograph to hang main body frame intercommunication unmanned aerial vehicle on the electric wire, according to above-mentioned understanding, technical staff in this field can carry out reasonable change to locking mechanism II's structure, also can adopt following structure: the locking mechanism II 32 consists of a driving mechanism 301, a movable sliding block 303 and an insulating pressure head 304 for clamping an electric wire, a track groove 302 is formed in the connecting framework II 31, the movable sliding block 302 is clamped in the track groove 302, the power end of the driving mechanism 301 is connected with the movable sliding block 303 and is used for driving the movable sliding block to reciprocate along the track groove direction, and the insulating pressure head 304 is fixedly connected to the movable sliding block 303; the insulation pressure head 304 is provided with an arc-shaped groove 305 matched with the shape of the electric wire, the driving mechanism acts, and the insulation pressure head 304 is driven to move by the movable sliding block 303, so that the electric wire is locked in the arc-shaped groove 305.

It should be noted that: the driving mechanism of the locking mechanism I22 and the locking mechanism II 32 can adopt a linear driving mechanism, such as an electric push rod, and can also adopt a servo motor.

In the scheme, a remote control switch 7 is further arranged, the remote control switch 7 is used for controlling whether the locking mechanisms in the long pantograph 2 and the short pantograph 3 open or not to lock the wires, and the power supply of the remote control switch can be from any remote control socket.

s1, firstly, binding the unmanned aerial vehicle to be charged and the main body frame through a binding mechanism to form an integral structure, and ensuring that the unmanned aerial vehicle can drive the whole charging device to fly to a certain height;

s2, according to the type of the live overhead line, electrically connecting the charging line of the drone with the first remote control socket or the second remote control socket, for example: if the 220V overhead line is used, the charging wire of the unmanned aerial vehicle is connected with the first remote control socket, and if the 0.4KV overhead line is used for charging, the charging wire of the unmanned aerial vehicle is connected with the second remote control socket, the distance between the two electric wires is visually measured, and the position of the fixed sliding sleeve in the long pantograph is adjusted;

s3, starting the unmanned aerial vehicle, controlling the unmanned aerial vehicle to fly to a certain height, ensuring that the front section of the long pantograph exceeds the target electric wire, horizontally flying towards the target electric wire, enabling the long pantograph and the short pantograph to be respectively lapped on different electric wires, starting a driving mechanism in the short pantograph, driving an insulating pressure head to move upwards, clamping the electric wire in the left-right direction, starting the driving mechanism in the long pantograph, driving a wedge block below the driving mechanism to move towards the electric wire direction through a movable sliding sleeve, locking the electric wire in the vertical direction through a gap between the wedge block and the movable sliding sleeve, and remotely closing the unmanned aerial vehicle;

s4, the remote control socket that is connected with the unmanned aerial vehicle electricity of waiting to charge through remote controller control begins to charge to unmanned aerial vehicle, and the completion back of charging closes corresponding remote control socket, then starts unmanned aerial vehicle, breaks away from long pantograph and short pantograph with the electric wire respectively, treats that unmanned aerial vehicle flies to ground after, lifts clamping mechanism off, and unmanned aerial vehicle continues to carry out the electric power operation of patrolling and examining.

In the above step S4, it should be noted that: when long pantograph and short pantograph throw off with the electric wire respectively, need the actuating mechanism in the long pantograph to start earlier, drive the voussoir and move back to earlier, then actuating mechanism in the short pantograph starts, drives insulating pressure head downstream, throws off the electric wire, then drives charging device at unmanned aerial vehicle and flies back to ground.

It should be noted that while the invention has been described in terms of the above-mentioned embodiments, other embodiments are also possible. It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention, and it is intended that all such changes and modifications be covered by the appended claims and their equivalents.

Claims

1. The utility model provides an utilize low pressure overhead line to give unmanned aerial vehicle device that charges which characterized in that: the device comprises a main body frame, a long pantograph, a short pantograph, a transformer, a first remote control socket and a second remote control socket;

2. The device of claim 1, wherein the device for charging the drone with the low voltage overhead line comprises: the backup pad be the perforated plate, bind the clamping piece of mechanism for being used for centre gripping unmanned aerial vehicle major structure, the one end of clamping piece passes through coupling assembling and sets up on the backup pad bottom surface.

3. The device of claim 1, wherein the device for charging the drone with the low voltage overhead line comprises: the connecting framework I and the connecting framework II are of L-shaped structures, and one ends of the connecting framework I and the connecting framework II are fixedly arranged on the supporting plate through connecting pieces.

4. The device of claim 1 or 3, wherein the charging device comprises: locking mechanism I constitute by fixed sliding sleeve, setting actuating mechanism and the removal sliding sleeve on fixed sliding sleeve, fixed sliding sleeve and removal sliding sleeve are all established and are established on connection skeleton I, actuating mechanism's power end is connected with removal sliding sleeve and is used for driving removal sliding sleeve along I reciprocating motion of connection skeleton, is equipped with the voussoir that can lock the electric wire below removing the sliding sleeve.

5. The device of claim 4, wherein the device for charging the drone using the low voltage overhead line comprises: still be equipped with and be used for connecting the locking screw of sliding sleeve locking on skeleton I.

6. The device of claim 4, wherein the device for charging the drone using the low voltage overhead line comprises: the movable sliding sleeve and the wedge block are made of insulating materials.

7. The device of claim 1 or 3, wherein the charging device comprises: the locking mechanism II consists of a driving mechanism, a movable sliding block and an insulating pressure head for clamping the electric wire, a track groove is formed in the connecting framework II, the movable sliding block is arranged in the track groove, the power end of the driving mechanism is connected with the movable sliding block and used for driving the movable sliding block to reciprocate along the track groove, and the insulating pressure head is fixedly connected to the movable sliding block.

8. The device of claim 7, wherein the charging device comprises: and the insulation pressure head is provided with an arc-shaped groove matched with the shape of the electric wire.

9. The device of claim 1, wherein the device for charging the drone with the low voltage overhead line comprises: and the remote control switch is used for controlling whether the locking mechanisms in the long pantograph and the short pantograph open or not to lock the wire.

10. A method according to any one of claims 1 to 9, wherein the charging method comprises the steps of: the method comprises the following steps: