CN216391530U

CN216391530U - A PCB board and coaxial unmanned aerial vehicle for coaxial unmanned aerial vehicle

Info

Publication number: CN216391530U
Application number: CN202123211779.6U
Authority: CN
Inventors: 伍勇
Original assignee: Shenzhen Apex Uav Co ltd
Current assignee: Shenzhen Apex Uav Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-04-26
Anticipated expiration: 2031-12-20

Abstract

The utility model discloses a PCB for a coaxial unmanned aerial vehicle and the coaxial unmanned aerial vehicle, wherein the PCB comprises a plate body, the plate body is in a long strip shape and forms a first end and a second end which are opposite in the length direction, the first end of the plate body is provided with a first terminal socket, a first positive pad and a first negative pad, the second end of the plate body is provided with a second terminal socket, a second positive pad and a second negative pad, the first positive pad is electrically connected with the second positive pad, and the first negative pad is electrically connected with the second negative pad; the plate body is further provided with a power supply positive electrode bonding pad, a power supply negative electrode bonding pad and a plurality of steering engine interfaces. During assembly, the plurality of signal wires are only required to be plugged into the first terminal row plug and the second terminal row plug in a flat cable manner. The power line and the motor line are also directly welded on the welding disc arranged on the plate body, and do not need to penetrate through the coaxial tube, so that the whole circuit installation operation is greatly simplified, and the production efficiency is improved.

Description

A PCB board and coaxial unmanned aerial vehicle for coaxial unmanned aerial vehicle

Technical Field

The utility model relates to the technical field of unmanned aerial vehicles, in particular to a PCB for a coaxial unmanned aerial vehicle and the coaxial unmanned aerial vehicle.

Background

The coaxial dual-rotor unmanned aerial vehicle has smaller volume compared with a single-rotor helicopter because the coaxial dual-rotor unmanned aerial vehicle does not need a tail rotor to provide balance torque; compared with a multi-rotor aircraft, the multi-rotor aircraft has a small size and a high energy utilization rate, and therefore the multi-rotor aircraft increasingly occupies an important position in various application fields such as aerial photography and aerial monitoring.

Structurally, the coaxial dual-rotor helicopter has an upper rotor and a lower rotor, namely an upper rotor and a lower rotor, which rotate around the same axis in a forward and reverse direction. The two pairs of rotors are completely the same and are arranged on the same coaxial tube one above the other, and a certain distance is reserved between the two pairs of rotors. The two rotors rotate in opposite directions, so that their reaction torques can be cancelled out, and a tail rotor is not required to be installed. Generally, the heading control of the coaxial dual-rotor helicopter is completed by means of differential change of the collective pitch of the upper rotor and the lower rotor.

However, the coaxial unmanned aerial vehicle is more compact in structure and small in size, so that the line arrangement is compact and concentrated, and the threading is troublesome during assembly. For example, in a coaxial tube with a diameter of more than 200 mm, at least 10 signal wires and at least two thick power wires need to be passed through, the signal wires are thin and are not easy to pass through the long coaxial tube, and the power wires are easy to be clamped in the coaxial tube due to the thick coaxial tube.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims to solve the technical problem of how to optimize the arrangement of the coaxial unmanned aerial vehicle lines.

In order to achieve the above purpose, the technical solution of the embodiment of the present invention is realized as follows:

a PCB for a coaxial unmanned aerial vehicle comprises a plate body, wherein the plate body is in a long strip shape and forms a first end and a second end which are opposite in the length direction, a first terminal socket, a first positive electrode bonding pad and a first negative electrode bonding pad are arranged at the first end of the plate body, a second terminal socket, a second positive electrode bonding pad and a second negative electrode bonding pad are arranged at the second end of the plate body, the first positive electrode bonding pad is electrically connected with the second positive electrode bonding pad, and the first negative electrode bonding pad is electrically connected with the second negative electrode bonding pad; the plate body is also provided with a power supply anode bonding pad, a power supply cathode bonding pad and a plurality of steering engine interfaces,

the first positive electrode bonding pad and the first negative electrode bonding pad are used for being connected with an upper rotary wing motor of the coaxial unmanned aerial vehicle, and the second positive electrode bonding pad and the second negative electrode bonding pad are used for being connected with a lower rotary wing motor of the coaxial unmanned aerial vehicle; the first terminal extension socket is used for connecting a data connector positioned at the upper part, and the second terminal extension socket is used for connecting a data connector positioned at the lower part; the steering engine interface is used for connecting a steering engine of the unmanned aerial vehicle.

Preferably, the first positive electrode pad and the second positive electrode pad are electrically connected through a printed circuit in the board body, and the first negative electrode pad and the second negative electrode pad are electrically connected through a printed circuit in the board body; simultaneously, the PCB board still includes anodal wire and negative pole wire, anodal wire electricity is connected first anodal pad with the anodal pad of second, the negative pole wire electricity is connected first negative pole pad with the negative pole pad of second.

Preferably, the first positive electrode pad, the first negative electrode pad, the second positive electrode pad and the second negative electrode pad all penetrate through the plate body, and the positive electrode lead and the negative electrode lead are respectively located on two opposite sides of the plate body.

Preferably, the PCB further includes a binding band that binds the positive electrode lead and the negative electrode lead to the board body.

Preferably, the power supply positive electrode pad and the power supply negative electrode pad are located at the second end of the board body.

Preferably, the second positive electrode pad, the second negative electrode pad, the power supply positive electrode pad and the power supply negative electrode pad are arranged at the second end of the board body in a rectangular array.

Preferably, the power supply positive electrode pad and the power supply negative electrode pad are distant from the first terminal row with respect to the second terminal row.

Preferably, a plurality of steering wheel interface divide into two sets ofly, and the first group the steering wheel interface is located plate body length direction's upper intermediate position, the second group the steering wheel interface is located the first group the steering wheel interface with between the second terminal row inserts.

Preferably, each group of steering engine interfaces comprises two steering engine interfaces which are respectively positioned on two opposite sides of the plate body.

In addition, the utility model also provides a coaxial unmanned aerial vehicle which comprises the PCB, an upper rotor motor, a lower rotor motor, a data connector, a power supply and a steering engine, wherein the upper rotor motor, the lower rotor motor, the data connector, the power supply and the steering engine are electrically connected with the PCB.

In the above-mentioned scheme of this application, because the plate body of PCB board is rectangular form and makes the PCB board can pass coaxial unmanned aerial vehicle's coaxial pipe easily. During assembly, a plurality of signal wires are inserted into the first terminal socket at the first end of the board body and the second terminal socket at the second end of the board body in a flat cable manner without passing through the coaxial tube. The power line and the motor line are also directly welded on the welding disc arranged on the plate body, and do not need to penetrate through the coaxial tube, so that the whole circuit installation operation is greatly simplified, and the production efficiency is improved. When needing the maintenance, can pull out the terminal at any time and pull out and insert or weld the power cord, it is very convenient too.

Drawings

Fig. 1 is a schematic front view of a PCB board for a coaxial drone according to an embodiment of the present application;

FIG. 2 is a view of area A of FIG. 1;

fig. 3 is a back schematic view of a PCB board for a coaxial drone.

The reference numbers illustrate:

100-plate body, 111-first positive electrode bonding pad, 112-first negative electrode bonding pad, 113-first terminal socket, 121-second positive electrode bonding pad, 122-second negative electrode bonding pad, 123-second terminal socket, 131-power supply positive electrode bonding pad, 132-power supply negative electrode bonding pad, 133-steering engine interface, 134-positive electrode lead and 135-negative electrode lead.

Detailed Description

The technical scheme of the utility model is further elaborated by combining the drawings and the specific embodiments in the specification. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. In the following description, reference is made to the expression "some embodiments" which describe a subset of all possible embodiments, but it should be understood that "some embodiments" may be the same subset or different subsets of all possible embodiments, and may be combined with each other without conflict.

It will also be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "inner," "outer," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1 to 3 in combination, the present application provides a PCB for a coaxial unmanned aerial vehicle, the PCB includes a board body 100, the board body 100 is in a long strip shape and forms a first end and a second end opposite to each other in a length direction, the first end of the board body 100 is provided with a first terminal socket 113, a first positive pad 111 and a first negative pad 112, the second end of the board body 100 is provided with a second terminal socket 123, a second positive pad 121 and a second negative pad 122, the first positive pad 111 and the second positive pad 121 are electrically connected in the board body 100, and the first negative pad 112 and the second negative pad 122 are electrically connected in the board body 100; the board body 100 is further provided with a power supply positive electrode bonding pad 131, a power supply negative electrode bonding pad 132 and a plurality of steering engine interfaces 133. Because the plate body 100 of the PCB is in a long strip shape, the PCB can easily penetrate through the coaxial tube of the coaxial unmanned aerial vehicle, after the PCB is assembled, the first end of the PCB is close to the upper part of the coaxial unmanned aerial vehicle, and the second end of the PCB is close to the lower part of the coaxial unmanned aerial vehicle.

The first positive electrode pad 111 is used for welding the positive electrode of the upper rotary-wing motor, the first negative electrode pad 112 is used for welding the negative electrode of the upper rotary-wing motor, the second positive electrode pad 121 is used for welding the positive electrode of the lower rotary-wing motor, and the second negative electrode pad 122 is used for welding the negative electrode of the lower rotary-wing motor. Since the first positive electrode pad 111 and the second positive electrode pad 121 are communicated and the first negative electrode pad 112 and the second negative electrode pad 122 are communicated, the upper and lower rotary wing motors are at the same voltage.

The first terminal extension 113 and the second terminal extension 123 are used for connecting data signals. The signal lines of the sensors, the communication modules, and the like near the upper portion are inserted into the first terminal row insert 113 together in the form of a flat cable, and the signal lines of the sensors, the communication modules, and the like near the lower portion are inserted into the second terminal row insert 123 together in the form of a flat cable.

Wherein, the anodal pad 131 of power is used for welding the power anodal, and power negative pole pad 132 is used for welding the power negative pole, and a plurality of steering wheel interfaces 133 then are used for connecting unmanned aerial vehicle's steering wheel. The specific positions of the power source positive electrode bonding pad 131, the power source negative electrode bonding pad 132 and the steering engine interfaces 133 are arranged at appropriate positions on the plate body 100 according to the installation positions of the power source and the steering engine.

In the above scheme of this application, because the plate body 100 of PCB board is rectangular form makes the PCB board can pass coaxial pipe of coaxial unmanned aerial vehicle easily. During assembly, the plurality of signal lines are inserted into the first terminal row insert 113 at the first end of the board body 100 and the second terminal row insert 123 at the second end of the board body 100 in a flat cable manner without passing through the coaxial tube. The power line and the motor line are also directly welded on the welding disc arranged on the plate body 100 without penetrating through the coaxial tube, so that the whole circuit installation operation is greatly simplified, and the production efficiency is improved. When needing the maintenance, can pull out the terminal at any time and pull out and insert or weld the power cord, it is very convenient too.

As a preferred embodiment of the present invention,

the first positive electrode pad 111 and the second positive electrode pad 121 are electrically connected by a printed wiring in the board body 100, and the first negative electrode pad 112 and the second negative electrode pad 122 are electrically connected by a printed wiring in the board body 100; meanwhile, the PCB board further includes a positive electrode wire 134 and a negative electrode wire 135, the positive electrode wire 134 electrically connects the first positive electrode pad 111 and the second positive electrode pad 121, and the negative electrode wire 135 electrically connects the first negative electrode pad 112 and the second negative electrode pad 122. In this embodiment, the external lead and the internal path of the PCB operate simultaneously by adding the positive lead 134 and the negative lead 135, so as to increase the amount of power supply and prevent the PCB from being blown by excessive current. In addition, the positive lead 134 and the negative lead 135 can also play a role of safety, and when the PCB is internally broken, the positive lead 134 and the negative lead 135 can also ensure that the circuits are conducted.

Further, the first positive pad 111, the first negative pad 112, the second positive pad 121, and the second negative pad 122 all penetrate through the board body 100, and the positive lead 134 and the negative lead 135 are respectively located at two opposite sides of the board body 100. The positive lead 134 and the negative lead 135 are respectively located on different sides of the plate body 100, so as to effectively prevent the positive and negative electrodes from being connected to each other and from short-circuiting.

Preferably, the PCB board further includes a binding band that binds the positive and

negative leads

134 and 135 to the board body 100. The binding band, which may be an adhesive tape or a leather ring, secures the positive and

negative leads

134 and 135 to the plate body 100, more conveniently passing through the coaxial tube.

As an alternative embodiment of the present invention, the power supply is disposed on the bottom board of the drone, and the power supply positive pad 131 and the power supply negative pad 132 are located at the second end of the board body 100 for connecting the power supply. Preferably, the second positive electrode pad 121, the second negative electrode pad 122, the power positive electrode pad 131 and the power negative electrode pad 132 are arranged at the second end of the board body 100 in a rectangular array, which facilitates welding together while ensuring an aesthetic appearance. The positive power supply land 131 and the negative power supply land 132 are located at the lowermost end of the board body 100, apart from the first terminal row insert 113 with respect to the second terminal row insert 123.

As a specific embodiment of the present invention, the plurality of steering engine interfaces 133 are divided into two groups, the first group of steering engine interfaces 133 is located at the middle position in the length direction of the plate body 100, and the second group of steering engine interfaces 133 is located between the first group of steering engine interfaces 133 and the second end of the plate body 100. In this embodiment, the steering engines are generally divided into two groups, one group of steering engines is located between the upper rotor assembly and the lower rotor assembly, and the other group of steering engines is located below the lower rotor assembly. Therefore, in order to facilitate connection of the steering engines, the first group of steering engine interfaces 133 is located at a middle position in the length direction of the plate body 100, and the second group of steering engine interfaces 133 is located between the first group of steering engine interfaces 133 and the second end of the plate body 100. Further, each group of steering engine interfaces 133 includes two steering engine interfaces 133, which are respectively located on two opposite sides of the plate body 100, and two steering engines are respectively inserted into two sides of the plate body 100.

In addition, the utility model also provides a coaxial unmanned aerial vehicle which comprises the PCB, an upper rotor motor, a lower rotor motor, a data connector and a steering engine, wherein the upper rotor motor, the lower rotor motor, the data connector and the steering engine are electrically connected with the PCB. . Because coaxial unmanned aerial vehicle has equipped with such PCB board, when the assembly, originally numerous signal line only need to be pegged graft to the first terminal row that is located plate body 100 first end 113 and is located plate body 100 second end second terminal row that inserts 123 with the form of winding displacement, and need not to pass coaxial pipe. The power line and the motor line are also directly welded on the welding disc arranged on the plate body 100, and the coaxial tube does not need to be penetrated, so that the whole circuit installation operation is greatly simplified, and the production efficiency of the coaxial unmanned aerial vehicle is improved. When needing to maintain coaxial unmanned aerial vehicle, can pull out the terminal at any time and pull out and insert or weld the power cord, it is equally very convenient.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. The scope of the utility model is to be determined by the scope of the appended claims.

Claims

1. The PCB for the coaxial unmanned aerial vehicle is characterized by comprising a plate body, wherein the plate body is in a long strip shape and forms a first end and a second end which are opposite in the length direction, a first terminal socket, a first positive electrode pad and a first negative electrode pad are arranged at the first end of the plate body, a second terminal socket, a second positive electrode pad and a second negative electrode pad are arranged at the second end of the plate body, the first positive electrode pad is electrically connected with the second positive electrode pad, and the first negative electrode pad is electrically connected with the second negative electrode pad; the plate body is also provided with a power supply anode bonding pad, a power supply cathode bonding pad and a plurality of steering engine interfaces,

2. The PCB board of claim 1, wherein the first positive pad and the second positive pad are electrically connected by a printed wiring within the board body, and the first negative pad and the second negative pad are electrically connected by a printed wiring within the board body; simultaneously, the PCB board still includes anodal wire and negative pole wire, anodal wire electricity is connected first anodal pad with the anodal pad of second, the negative pole wire electricity is connected first negative pole pad with the negative pole pad of second.

3. The PCB board of claim 2, wherein the first positive pad, the first negative pad, the second positive pad, and the second negative pad all extend through the board body, and the positive lead and the negative lead are located on opposite sides of the board body, respectively.

4. The PCB of claim 2, further comprising a tie-down strap that ties the positive and negative leads to the board body.

5. The PCB of claim 1, wherein the positive power pad and the negative power pad are located at the second end of the board body.

6. The PCB board of claim 4, wherein the second positive bonding pad, the second negative bonding pad, the positive power bonding pad, and the negative power bonding pad are in a rectangular array at the second end of the board body.

7. The PCB board of claim 4, wherein the positive power pad and the negative power pad are remote from the first terminal row relative to the second terminal row.

8. The PCB board of claim 1, wherein the plurality of steering engine interfaces are divided into two groups, a first group of the steering engine interfaces are located in the middle of the board body in the length direction, and a second group of the steering engine interfaces are located between the first group of the steering engine interfaces and the second terminal row socket.

9. The PCB board of claim 6, wherein each set of steering engine interfaces comprises two steering engine interfaces, one on each of opposite sides of the board body.

10. A coaxial drone, characterized in that it comprises a PCB board according to any one of claims 1 to 9, and an upper rotary wing motor, a lower rotary wing motor, data connectors, a power supply and a steering engine electrically connected to said PCB board.