CN213168541U

CN213168541U - Unmanned aerial vehicle's circuit layout structure

Info

Publication number: CN213168541U
Application number: CN202021453060.6U
Authority: CN
Inventors: 黄自华; 杨皓
Original assignee: Sichuan Hanhang Technology Co ltd
Current assignee: Sichuan Hanhang Technology Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-05-11
Anticipated expiration: 2030-07-22

Abstract

The utility model relates to the technical field of unmanned aerial vehicles, in particular to a circuit layout structure of an unmanned aerial vehicle, wherein the frame of the unmanned aerial vehicle comprises an upper bracket, a main frame and a lower bracket which are arranged from top to bottom, a flight control system disk is arranged in a containing cavity between the upper bracket and the main frame, a mobile power supply is arranged in the containing cavity between the lower bracket and the main frame, the main frame comprises a frame cover plate, a frame bottom plate and a side baffle plate and is combined into a rectangular frame structure, a circuit module is arranged in the rectangular frame structure, the frame bottom plate is a circuit board, and the circuit module is arranged on; the circuit module comprises a main power supply interface, a control chip, a motor speed regulator, an unmanned aerial vehicle communication interface, a flight control system disk power supply interface, an output signal interface, a digital transmission module and an expansion module interface. This design has optimized the line overall arrangement of walking on the circuit board, combines unmanned aerial vehicle's rack construction, has avoided a plurality of lines of walking to cause the influence each other between the line, hides the unmanned aerial vehicle circuit for the unmanned aerial vehicle appearance is more succinct, pleasing to the eye.

Description

Unmanned aerial vehicle's circuit layout structure

Technical Field

The utility model relates to an unmanned air vehicle technique field, concretely relates to unmanned aerial vehicle's circuit lays structure.

Background

The unmanned aerial vehicle is also called as an unmanned aerial vehicle, is an unmanned aerial vehicle operated by utilizing a radio remote control device and a self-contained program control device, and is a high-tech product integrating aerodynamics, material mechanics, an automatic control technology and a software technology. With the development of scientific technology, the unmanned aerial vehicle serving as a high-tech intelligent product is not limited to early military equipment for a long time, but is widely applied to multiple fields of emergency rescue, film and television aerial photography, homeland surveying and mapping, electric power and pipeline patrol, pesticide spraying, entertainment and leisure and the like, and is continuously miniaturized, civilized and humanized, and the unmanned aerial vehicle shows the situation of blowout development in recent years.

Present unmanned aerial vehicle frame structure as an organic whole more at present, install unmanned aerial vehicle's casing outside the frame, frame inner space installation flies control system dish, portable power source, control circuit, battery and other spare parts, all pass through electric wire connection between these modules and the module, cause the circuit confusion, then unmanned aerial vehicle's rack mechanism design is not conform to the trend of circuit again, further cause the circuit to expose outside again, not only pleasing to the eye, still cause walking of each circuit to influence each other easily, and then cause the influence to holistic control, make unmanned aerial vehicle can't realize accurate efficient control, cause bad use experience to the user.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the utility model is to provide an unmanned aerial vehicle's circuit lays structure optimizes walking the line overall arrangement on the circuit board, combines unmanned aerial vehicle's rack construction, has avoided a plurality of lines of walking to cause the influence each other between the line, hides the unmanned aerial vehicle circuit for the unmanned aerial vehicle appearance is more succinct, pleasing to the eye.

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

a circuit layout structure of an unmanned aerial vehicle comprises an upper support, a main frame, a lower support and wing supports, wherein the upper support is installed above the main frame by using long bolts, the lower support is installed below the main frame by using long bolts, accommodating cavities are reserved between the upper support and the main frame and between the lower support and the main frame, the wing supports are installed on four corners of the main frame, a flight control system disk is installed in the accommodating cavity between the upper support and the main frame, and a mobile power supply is installed in the accommodating cavity between the lower support and the main frame;

the main frame comprises a frame cover plate, a frame bottom plate and side baffles, the frame cover plate, the frame bottom plate and the side baffles are combined into a rectangular frame structure, a circuit module is arranged in the rectangular frame structure, the frame bottom plate is a circuit board, and the circuit module is arranged on the circuit board;

the circuit module comprises a main power supply interface, a control chip, a motor speed regulator, an unmanned aerial vehicle communication interface, a flight control system panel power supply interface, output signal interfaces, a digital transmission module and expansion module interfaces, wherein the main power supply is positioned at the front end of the circuit board, the control chip is positioned in the middle of the circuit board, the motor speed regulators are divided into two groups and are respectively positioned at the left side and the right side of the control chip, the unmanned aerial vehicle communication interface and the flight control system panel power supply interface are positioned at the front side of the control chip side by side, the output signal interfaces are positioned at the rear side of the control chip, the digital transmission module is positioned at the rear side of the output signal interfaces, and the expansion module interfaces are divided into two groups and are respectively positioned at the left side and the;

the utility model discloses a flight control system, including frame apron, power supply line, control chip, communication line, the power supply line of connection on unmanned aerial vehicle communication interface, the tail end at flight control system dish is connected to the output signal line of connection on the output signal interface through the rear threading hole connection after passing through threading hole, the head end at flight control system dish is connected to the control chip on, the communication line of connection on unmanned aerial vehicle communication interface, the power supply line of connection on the flight control system dish power supply interface, the main power source interface passes through the power cord and.

For the better frame construction of equipment whole unmanned aerial vehicle, be equipped with the buckle hole on frame apron and the circuit board, the top surface and the lower bottom surface of side shield are equipped with the buckle bolt of protrusion in its surface plane, the vertical card of side shield is between frame apron and circuit board, and the middle cavity that forms after the combination between the three is well, and circuit module is settling in the cavity.

In order to hide the circuit module in the main frame, increase whole unmanned aerial vehicle's outward appearance sight, the side shield is four, and the cavity is in the middle of forming the rectangle after combining with frame apron, frame bottom plate, wing support joint is on four edges and corners of frame apron, frame bottom plate, the left and right both sides face of side shield is low on the wing support. The main frame is designed to enable all lines to be tidied more smoothly, the trend of all lines is not interfered with one another, and the overall control of the unmanned aerial vehicle is more accurate.

The front side and the rear side of the two groups of motor speed controllers are respectively provided with a motor control interface, the motor control interfaces are close to the inner side end of the wing bracket, and a motor wire connected to the motor control interfaces penetrates through the inside of the wing bracket and is connected to a motor at the outer side end of the wing bracket. By the design, the wing support is hollow, the trend of the motor line is hidden, and the motor line is closer due to the layout position of the motor control interface on the circuit board, so that the trend of the circuit is simpler without excessive circuit loss.

For making things convenient for the circuit module heat dissipation, leave the line window in the middle of the frame apron, it crosses the line window and is in before and between threading hole and the back threading hole and be located the positive centre of frame apron, and when unmanned aerial vehicle was flying, the air current was through crossing the heat that the line window took away the cavity intracavity, and the original paper heat dissipation on the help circuit board guarantees that the flight is stable, in addition, crosses the line and passes also can walk the line.

The frame cover plate is characterized in that a bearing plate is further arranged above the frame cover plate, four corners of the bearing plate are mounted on the frame cover plate through damping rubber pads, the bearing plate covers the wire passing window, and a heat dissipation height interval is reserved between the bearing plate and the wire passing window. Still be equipped with the bonding cushion on the last plane of loading board, flight control system dish demountable installation is on the bonding cushion, and the vibration frequency of flight control system dish is reduced in the combination utilization of shock attenuation cushion and bonding cushion.

The utility model has the advantages that: compare with current unmanned aerial vehicle's circuit board layout, the position overall arrangement of circuit module on the circuit board has been adjusted in this design, and combine unmanned aerial vehicle's flight control system dish, portable power source's mounted position, and combine the project organization of main frame, the interconnecting link trend between each other has been adjusted again, make unmanned aerial vehicle's circuit module and circuit homoenergetic hide in unmanned aerial vehicle's frame, guarantee exposing that the circuit is minimum, avoid the external world to see inside circuit trend, make whole unmanned aerial vehicle watch outside more succinct, more pleasing to the eye. The circuit is not exposed, and the circuit can be prevented from being hung and disconnected by branches during flying. On the other hand, the position design of the interface of the expansion module is more convenient for rapidly installing other modules when the re-development is carried out.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is a left side view structure diagram of the present invention;

FIG. 3 is a schematic top view of the frame cover;

FIG. 4 is a schematic top view of the frame bottom plate;

FIG. 5 is a control circuit of the control chip 12-5POWER SYS (U6);

FIG. 6 is a control circuit of the control chip 12-5POWER EX (U4);

FIG. 7 is a circuit for connecting the digital transmission module to the control chip and the WiFi network;

fig. 8 is a schematic diagram of the connection of the expansion module interface.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further explained with reference to the following embodiments, it should be noted that A, B, C, D represents front, back and left respectively, based on the circuit board position of fig. 4. And on the right, the relative positions of other parts are referenced to the reference orientation.

As shown in fig. 1-8, the circuit layout structure of an unmanned aerial vehicle includes an upper bracket 1, a main frame 2, a lower bracket 3 and a wing bracket 4, wherein the upper bracket 4 is installed above the main frame 2 by using a long bolt, the lower bracket 3 is installed below the main frame 2 by using a long bolt, a containing cavity is reserved between the upper bracket 1 and the main frame 2, between the lower bracket 3 and the main frame 2, the wing bracket 4 is installed on four corners of the main frame 2, a flight control system panel 7 is installed in the containing cavity between the upper bracket 1 and the main frame 2, and a mobile power supply 8 is installed in the containing cavity between the lower bracket 3 and the main frame 2;

the main frame 2 comprises a frame cover plate 20, a frame bottom plate 21 and a side baffle 22, the frame cover plate 20, the frame bottom plate 21 and the side baffle 22 are combined into a rectangular frame structure, a circuit module 9 is arranged in the rectangular frame structure, the frame bottom plate 21 is a circuit board, and the circuit module 9 is arranged on the circuit board;

as shown in fig. 4, the circuit module 9 includes a main power supply interface (J9)90, a control chip (U1)91, a motor governor (S1, S2, S3, S4)92, a drone communication interface (J4)93, a flight control system disk power supply interface (J8)94, an output signal interface (J15)95, a digital transmission module (U7)96 and an expansion module interface 97, the main power interface 90 is located at the front end of the circuit board, the control chip 91 is located at the middle position of the circuit board, the two sets of motor speed regulators 92 are respectively positioned at the left side and the right side of the control chip 91, the unmanned aerial vehicle communication interface 93 and the power supply interface of the flight control system disk 7 are positioned at the front side of the control chip 91 in parallel, the output signal interface 95 is located at the rear side of the control chip 91, the digital transmission module 96 is located at the rear side of the output signal interface 95, the expansion module interfaces 97 are two groups and are respectively positioned at the left side and the right side of the output signal interface 95;

the frame apron 20 is equipped with preceding through wires hole 202 and back through wires hole 203, and the output signal line 951 of connecting on output signal interface 95 passes back through wires hole 203 and connects the tail end at flight control system dish 7, connects control scheme 910 on control chip 91, connects communication scheme 930 on unmanned aerial vehicle communication interface 93, connects the power supply line 70 on the power supply interface of flight control system dish 7 and passes preceding through wires hole 202 and connect the head end at flight control system dish 7, main power source interface 90 passes through power cord 901 and connects on the portable power source 8 of below.

The control chip 91 is a dual-channel UBFC, wherein a control circuit of 12-5POWER SYS (U6) is shown in FIG. 5, and a control circuit of 12-5Power EX (U4) is shown in FIG. 6.

The connection circuit of the digital transmission module (U7)96, the control chip 91(5V-SYS) and the WiFi network is shown in FIG. 7,

the connection schematic diagram of the expansion module interface (J1, J4, J11, J14)97 is shown in fig. 8.

As shown in fig. 4, the electrical components used on the circuit board are listed below:

the frame cover plate 20 and the circuit board are provided with buckle holes 23, the upper top surface and the lower bottom surface of the side baffle plate 22 are provided with buckle bolts 24 protruding out of the surface plane of the side baffle plate, the side baffle plate 22 is vertically clamped between the frame cover plate 20 and the circuit board, a hollow cavity is formed in the middle after the combination of the frame cover plate 20 and the circuit board, and a circuit module is arranged in the hollow cavity.

The side baffles 22 are four, rectangular hollow cavities are formed in the middle of the side baffles after being combined with the frame cover plate 20 and the frame bottom plate 21, the wing support 4 is clamped on four edges of the frame cover plate 20 and the frame bottom plate, and the left side surface and the right side surface of each side baffle 22 are lower than those of the wing support 4.

The front side and the rear side of the two groups of motor speed controllers 92 are respectively provided with a motor control interface 920, the motor control interfaces 920 are close to the inner side end of the wing bracket 4, and the motor wires connected to the motor control interfaces 920 penetrate through the inside of the wing bracket 4 and are connected to the motor 5 at the outer side end of the wing bracket 4. This unmanned aerial vehicle has four flight wings, and wing support 4 is in the same place by four block board daughter buckles, and well kenozooecium position can pass the motor line, and motor 5 installs the outside end at wing support 4, and motor 5 is rotatory to be driven the screw and is rotated.

A threading window 201 is reserved in the middle of the frame cover plate 20, and the threading window 201 is positioned between the front threading hole 202 and the rear threading hole 203 and is positioned in the middle of the frame cover plate 20. The supporting plate 6 is further disposed above the frame cover plate 20, four corners of the supporting plate 6 are mounted on the frame cover plate 20 by using the damping rubber pads 60, the supporting plate 6 covers the wire passing window 201, and a heat dissipation height interval H is left between the two, and the heat dissipation height interval H ensures an air-cooling heat dissipation effect of the circuit module 9. The upper plane of the bearing plate 6 is also provided with a bonding soft cushion, and the flight control system disk 7 is detachably mounted on the bonding soft cushion.

All the sensors are arranged in a flight control system disk 7, the flight control system disk 7 is used for controlling the stability of the airplane, and all the data are processed by a control chip 97 and then output to a motor 5 of the airplane to drive a propeller to rotate so as to fly.

It is right above the utility model provides a pair of unmanned aerial vehicle's circuit is laid the structure and is introduced in detail. The description of the specific embodiments is only for the purpose of helping understanding the method of the present invention and the core idea thereof, and it should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

Claims

1. A circuit layout structure of an unmanned aerial vehicle comprises an upper support, a main frame, a lower support and wing supports, wherein the upper support is installed above the main frame by using long bolts, the lower support is installed below the main frame by using long bolts, accommodating cavities are reserved between the upper support and the main frame and between the lower support and the main frame, the wing supports are installed on four corners of the main frame, a flight control system disk is installed in the accommodating cavity between the upper support and the main frame, and a mobile power supply is installed in the accommodating cavity between the lower support and the main frame;

the method is characterized in that: the main frame comprises a frame cover plate, a frame bottom plate and side baffles, the frame cover plate, the frame bottom plate and the side baffles are combined into a rectangular frame structure, a circuit module is arranged in the rectangular frame structure, the frame bottom plate is a circuit board, and the circuit module is arranged on the circuit board;

the circuit module comprises a main power supply interface, a control chip, a motor speed regulator, an unmanned aerial vehicle communication interface, a flight control system disk power supply interface, output signal interfaces, a digital transmission module and expansion module interfaces, wherein the main power supply interface is positioned at the front end of the circuit board, the control chip is positioned in the middle of the circuit board, the motor speed regulators are divided into two groups and are respectively positioned at the left side and the right side of the control chip, the unmanned aerial vehicle communication interface and the flight control system disk power supply interface are positioned at the front side of the control chip side by side, the output signal interfaces are positioned at the rear side of the control chip, the digital transmission module is positioned at the rear side of the output signal interfaces, and the expansion module interfaces are divided into two groups and are respectively positioned at the left side and the;

2. The circuit layout structure of an unmanned aerial vehicle according to claim 1, wherein: the frame cover plate and the circuit board are provided with buckle holes, the upper top surface and the lower bottom surface of the side baffle are provided with buckle bolts protruding out of the surface planes of the side baffle, the side baffle is vertically clamped between the frame cover plate and the circuit board, a hollow cavity is formed in the middle after the side baffle, the frame cover plate and the circuit board are combined, and a circuit module is arranged in the hollow cavity.

3. The circuit layout structure of an unmanned aerial vehicle according to claim 2, wherein: the side baffles are four, rectangular hollow cavities are formed in the middle of the side baffles after the side baffles are combined with the frame cover plate and the frame bottom plate, the wing supports are clamped on four edges of the frame cover plate and the frame bottom plate, and the left side face and the right side face of each side baffle are lower than the wing supports.

4. The circuit layout structure of an unmanned aerial vehicle according to claim 3, wherein: the front side and the rear side of the two groups of motor speed controllers are respectively provided with a motor control interface, the motor control interfaces are close to the inner side end of the wing bracket, and a motor wire connected to the motor control interfaces penetrates through the inside of the wing bracket and is connected to a motor at the outer side end of the wing bracket.

5. The circuit layout structure of an unmanned aerial vehicle according to claim 3, wherein: and a wire passing window is reserved in the middle of the frame cover plate, is positioned between the front wire passing hole and the rear wire passing hole and is positioned in the middle of the frame cover plate.

6. The circuit layout structure of an unmanned aerial vehicle according to claim 5, wherein: the frame cover plate is characterized in that a bearing plate is further arranged above the frame cover plate, four corners of the bearing plate are mounted on the frame cover plate through damping rubber pads, the bearing plate covers the wire passing window, and a heat dissipation height interval is reserved between the bearing plate and the wire passing window.

7. The circuit layout structure of an unmanned aerial vehicle according to claim 6, wherein: the aircraft flight control system is characterized in that a bonding soft cushion is further arranged on the upper plane of the bearing plate, and the flight control system disk is detachably mounted on the bonding soft cushion.