CN209757540U - Sprinkler and unmanned aerial vehicle - Google Patents

Abstract

The utility model discloses a sprinkler and unmanned aerial vehicle relates to unmanned aerial vehicle technical field. Including the horn seat, base, the light subassembly and the spraying assembly that are used for being connected with unmanned aerial vehicle's horn, the horn seat with the connection can be dismantled to the base, the base with the spraying assembly passes through the connection can be dismantled to the light subassembly. Can be connected the navigation light subassembly with spraying the subassembly cooperation, convenient dismantlement and installation promote the efficiency of maintaining unmanned aerial vehicle to reduce and maintain the degree of difficulty.

Description

Sprinkler and unmanned aerial vehicle

Technical Field

The utility model relates to an unmanned air vehicle technique field particularly, relates to a sprinkler and unmanned aerial vehicle.

Background

The unmanned aerial vehicle is an aircraft for remote control or autonomous flight, and consists of an aircraft and a control station, wherein an aircraft system comprises a fuselage, a power device and a navigation flight control system, does not carry operating personnel, can automatically fly or remotely guide, can carry out aerial operation by a load tool, and is widely applied to industries such as industry, agriculture, military and the like. The agricultural plant protection unmanned aerial vehicle is usually used for replacing manual work to carry out aerial operation, the spraying operation is realized through ground remote control or a Global Positioning System (GPS), and medicaments, seeds, powder and the like can be sprayed.

Among the prior art, plant protection unmanned aerial vehicle generally sets up sprinkler in the rotor below, and at plant protection unmanned aerial vehicle flight in-process, the drive sprinkler opens, closes, adjusts sprinkler's the volume of spraying and sprays in order to realize the agricultural. When plant protection unmanned aerial vehicle flies in the air, if the sight is not good, then the operator can't accurate discernment plant protection unmanned aerial vehicle position, gesture and fore-and-aft direction, need set up the navigation light this moment on plant protection unmanned aerial vehicle to confirm information such as plant protection unmanned aerial vehicle's position and gesture.

and current plant protection unmanned aerial vehicle generally sets up the navigation light in screw motor below, and difficult dismantlement and change have increased the later maintenance degree of difficulty.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sprinkler and unmanned aerial vehicle can be connected the navigation light subassembly with spraying the subassembly cooperation, conveniently dismantles and installs, promotes the efficiency of maintaining unmanned aerial vehicle to reduce and maintain the degree of difficulty.

The embodiment of the utility model is realized like this:

An aspect of the embodiment of the utility model provides a sprinkler, including the horn seat, base, the navigation light subassembly and the spraying subassembly that are used for being connected with unmanned aerial vehicle's horn, the horn seat with the connection can be dismantled to the base, the base with the spraying subassembly passes through the connection can be dismantled to the navigation light subassembly.

Optionally, the base includes an upper substrate, a lower substrate, and a plurality of elastic members, and the upper substrate and the lower substrate are stacked and connected by the elastic members.

Optionally, a connecting piece is arranged on the upper substrate, a first limiting portion is arranged on the connecting piece, a second limiting portion is correspondingly arranged on the arm seat, and the first limiting portion is connected with the second limiting portion in a matched mode.

Optionally, the connecting piece and the horn base are nested, wherein the first limiting portion includes a first protrusion and a first mounting hole, the second limiting portion includes a first notch and a second mounting hole, the first protrusion corresponds to the first notch, and the first mounting hole corresponds to the second mounting hole.

Optionally, a plurality of connecting columns are arranged on the surface of one side, away from the upper substrate, of the lower substrate, the navigation light assembly comprises a base and a lampshade, a plurality of positioning holes are formed in the base, and the lower substrate and the base are fixedly connected through the connecting columns and the positioning holes.

Optionally, the horn seat is a column, a groove is arranged on one end face of the horn seat, and the extending direction of the groove and the preset direction of the lampshade are arranged at a preset angle.

Optionally, the navigation light assembly further comprises a circuit board, wherein an accommodating cavity is formed in the base, the circuit board is arranged in the accommodating cavity, a second notch is formed in the circuit board and corresponds to the second protrusion, a first light source and a second light source which emit light beams with different wavelengths are further arranged on the circuit board, the lamp shade comprises a first lamp shade and a second lamp shade, the first light source corresponds to the first lamp shade, and the second light source corresponds to the second lamp shade.

Optionally, the side wall of the base is provided with a wire passing hole, and the wire passing hole is arranged between the first lampshade and the second lampshade.

Optionally, the spraying assembly comprises a mounting seat, a plurality of third mounting holes are formed in the mounting seat, a plurality of fourth mounting holes are correspondingly formed in the base, and the mounting seat is fixedly connected with the base through the third mounting holes and the fourth mounting holes.

The embodiment of the utility model provides an on the other hand provides an unmanned aerial vehicle, include as above arbitrary one spray device.

The utility model discloses beneficial effect includes:

The embodiment of the utility model provides a sprinkler and unmanned aerial vehicle, through the horn seat, can dismantle with the horn and be connected, make the horn and spray that the dismouting is more simple and convenient between the subassembly. In addition, the arm seat is detachably connected with the base, the base is detachably connected with the spraying assembly through the navigation lamp assembly, the operation of maintenance personnel is facilitated by adopting the connection mode, the maintenance work such as disassembly and installation can be carried out at different positions according to actual needs, the operation flow is simplified, the maintenance efficiency is improved, and the maintenance difficulty is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a spraying device provided in an embodiment of the present invention;

Fig. 2 is an exploded view of a spraying device according to an embodiment of the present invention;

Fig. 3 is a schematic structural diagram of an upper substrate and a robot arm base according to an embodiment of the present invention;

Fig. 4 is a second schematic structural view of the upper substrate and the robot arm base according to the embodiment of the present invention;

Fig. 5 is a schematic structural diagram of an aircraft light assembly according to an embodiment of the present invention;

Fig. 6 is a second schematic structural diagram of a navigation light assembly according to an embodiment of the present invention.

Icon: 100-a spraying device; 110-a robot arm base; 112-a groove; 114-a first gap; 116-a second mounting hole; 120-a base; 122-an upper substrate; 123-connecting piece; 1232-first bump; 1234 — a first mounting hole; 124-lower substrate; 125-connecting column; 126-a resilient member; 130-a navigation light assembly; 131-a base; 132-a wire-passing hole; 133-a fourth mounting hole; 134-a first lamp shade; 135-a second lamp shade; 136-a circuit board; 1362-second notch; 1364-first light source; 1366-second light source; 137-an accommodating cavity; 138-locating holes; 139-a second projection; 140-a spray assembly; 142-a mount; 144-third mounting hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

in the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, the present embodiment provides a spraying device 100, which includes a boom base 110 for connecting with a boom of an unmanned aerial vehicle, a base 120, a navigation light assembly 130, and a spraying assembly 140, wherein the boom base 110 is detachably connected with the base 120, and the base 120 is detachably connected with the spraying assembly 140 through the navigation light assembly 130.

It should be noted that, firstly, the horn base 110 is disposed on one side of the base 120, and the navigation light assembly 130 is disposed on the other side of the base 120, so as to achieve the sequential connection relationship. In addition, the base 120 and the spray assembly 140 are respectively disposed at opposite sides of the floodlight assembly 130 to achieve a sequential coupling relationship. Moreover, each component can be detachably connected, and the later-stage disassembly, assembly, maintenance and other work are greatly facilitated.

second, the horn seat 110 is the part of being connected with unmanned aerial vehicle's horn, through horn seat 110, makes things convenient for the dismouting cooperation between sprinkler 100 and the unmanned aerial vehicle main part.

The embodiment of the utility model provides a sprinkler 100, through the horn seat 110, can dismantle with the horn and be connected, make the horn and spray assembly 140 between the dismouting more simple and convenient. In addition, the arm seat 110 and the base 120 are detachably connected, the base 120 and the spraying assembly 140 are detachably connected through the navigation light assembly 130, the connection mode is adopted, operation of maintenance personnel is facilitated, maintenance work such as dismounting and mounting can be carried out at different positions according to actual needs, the operation flow is simplified, maintenance efficiency is improved, and maintenance difficulty is reduced.

As shown in fig. 1, the base 120 includes an upper substrate 122, a lower substrate 124, and a plurality of elastic members 126, and the upper substrate 122 and the lower substrate 124 are stacked and connected by the elastic members 126.

Specifically, the embodiment of the present invention does not specifically limit the shape of the upper substrate 122 and the lower substrate 124, and for example, the upper substrate 122 and the lower substrate 124 may be rectangular flat plates, and the elastic members 126 are disposed at four corners of the upper substrate 122 and the lower substrate 124. Similarly, the upper substrate 122 and the lower substrate 124 may also be polygonal with other shapes, and the elastic members 126 may be disposed on the corners of the polygon or at any position of the polygon. In addition, as shown in fig. 1, the upper substrate 122 and the lower substrate 124 can both adopt a hollowed-out form, and adopt the above form to reduce weight under the condition of not influencing the connection strength, which is beneficial to improving the flight efficiency of the unmanned aerial vehicle. The hollow-out mode is adopted, so that the joint is more visual, the observation is convenient, and the orderly and rapid operation of maintenance operation is facilitated.

It should be noted that, the embodiment of the present invention does not specifically limit the elastic member 126, and for example, the elastic member 126 may be made of elastic rubber or resin, etc. to achieve the purpose of vibration reduction. In addition, the elastic member 126 may be a spring with a mounting seat, so as to achieve the vibration damping effect and facilitate the mounting or dismounting.

As shown in fig. 3 and 4, the upper substrate 122 is provided with a connecting member 123, the connecting member 123 is provided with a first limiting portion, the arm seat 110 is correspondingly provided with a second limiting portion, and the first limiting portion is connected with the second limiting portion in a matching manner.

Specifically, the connecting member 123 and the upper substrate 122 can be of an integrally formed structure, so that the joint between the upper substrate 122 and the connecting member 123 is more stable, and the connection quality and strength can be improved. Through first spacing portion and the spacing portion of second, make between arm seat 110 and the connecting piece 123 be connected fixedly with specific form, reduced the error rate of assembling process, be favorable to promoting the operating efficiency, simultaneously, make things convenient for quick assembly disassembly between arm seat 110 and the connecting piece 123, improve maintenance efficiency.

As shown in fig. 3 and 4, the connecting member 123 and the horn base 110 are nested, the first limiting portion includes a first protrusion 1232 and a first mounting hole 1234, the second limiting portion includes a first notch 114 and a second mounting hole 116, the first protrusion 1232 corresponds to the first notch 114, and the first mounting hole 1234 corresponds to the second mounting hole 116.

Utility model is specific, the nested setting of connecting piece 123 and horn base 110 need set up the cavity that holds of forms such as blind hole on horn base 110 or connecting piece 123 to make one of them person can form nested fixed relation with another person, convenient and the grafting lock between base 120, make the installation counterpoint convenient more quick. Preferably, the first notch 114 is opposite to the second mounting hole 116, so that the torque balancing function can be achieved, the stability of the joint is enhanced, and the service life of the joint is prolonged.

For example, a blind hole may be formed at the connection between the arm seat 110 and the connecting member 123, and the connecting member 123 may be inserted into the blind hole of the arm seat 110 to form a connection between the upper substrate 122 and the arm seat 110. Through first arch 1232 and first breach 114 cooperation, form and prevent slow-witted structure, if the orientation place mistake when inserting, can not form the cooperation and connect, so, reduced the probability of assembly mistake to a certain extent. In addition, the alignment operation of the corresponding first mounting hole 1234 and the second mounting hole 116 is facilitated, the alignment difficulty is reduced, and the mounting and fixing process is more convenient.

It should be noted that the second mounting hole 116 can be a through hole or a threaded hole, and the present invention is not limited thereto, as long as it can play a stable connecting role. The second mounting hole 116 is used for inserting a connection fixing member, which may be a bolt, into the base 120, thereby facilitating the detachment of the connection.

As shown in fig. 2 and 5, a plurality of connection posts 125 are disposed on a side surface of the lower substrate 124 away from the upper substrate 122, the navigation light assembly 130 includes a base 131 and a lamp cover, a plurality of positioning holes 138 are disposed on the base 131, the lower substrate 124 and the base 131 are fixedly connected through the connection posts 125 and the positioning holes 138, wherein a distal end of the connection post 125 specifically refers to an end of the connection post 125 away from the lower substrate 124.

specifically, the base 131 is provided with an accommodating cavity 137, the bottom of the accommodating cavity 137 is provided with a plurality of positioning holes 138, and the connecting column 125 is fixedly connected with the accommodating cavity 137 through the positioning holes 138. The positioning hole 138 can be a countersunk through hole, and the connecting post 125 is inserted into the positioning hole 138, at this time, the connecting post 125 and the positioning hole 138 can be connected by a screw. The lower base plate 124 and the connecting column 125 can be integrally formed, and the embodiment of the present invention does not specifically limit the arrangement of the connecting column 125, as long as the navigation light assembly 130 connected to the connecting column 125 has the correct indication direction. As an example, the arm of the drone forms a first angle with the direction of the head during operation, and in the configuration state, the connection line direction (as indicated by the arrow with a dotted line in fig. 2) of two adjacent connection poles 125 forms a second angle with the extension direction of the arm, if the navigation light assembly 130 is to be assembled to face a certain direction (such as the right front or right back of the head of the drone), the first angle and the second angle are consistent, and if a certain angle deviating from the direction of the head of the drone is desired, the angle difference between the first angle and the second angle is equal to the certain angle. When the first angle is equal to the second angle, an angle between a connecting line direction (as shown by a dotted arrow in fig. 5) of two adjacent positioning holes 138 and an extending direction of the arm of the unmanned aerial vehicle is a third angle, and the third angle and the second angle are complementary angles. For example, when the first angle is 45 °, the second angle and the third angle are both 45 °; or, when the first angle is 30 degrees, the second angle is 30 degrees, and the third angle is 60 degrees, the lighting direction of the navigation light assembly 130 is ensured to be consistent with the direction of the machine head.

The connecting member 123 and the upper substrate 122 are integrally formed, and the connecting post 125 and the lower substrate 124 are integrally formed. Thus, the stability of the connecting part is enhanced, and the installation is more convenient.

As shown in fig. 3, the arm seat 110 is a column, a groove 112 is disposed on an end surface of the arm seat 110, and an extending direction of the groove 112 and a preset direction of the lamp cover form a preset angle.

Specifically, the horn base 110 is a column, and may be set to be a cylinder, or may be set to be a prism, and the present invention is not limited thereto. The bottom of the groove 112 is provided with a through hole, which is convenient for the disassembly and fixation between the arm seat 110 and the arm. In addition, the groove 112 can be flexibly arranged according to the shape of the horn, and for example, the groove 112 can be arranged to be a V-shaped groove, so that a good clamping effect can be formed between the groove 112 and the horn, and the stability and strength of the joint can be enhanced. Pass the through-hole through the screw can with horn fixed connection, in order to prevent that the screw from becoming flexible, can scribble the intensity screw thread glue on the screw, both can effectual locking, avoided the trouble of dismantling the difficulty again. It can be understood that, the extending direction of recess 112 is unanimous with the extending direction of horn, the direction of presetting of lamp shade is the bright lamp direction of lamp shade, the extending direction of recess 112 is the angle setting of presetting with the direction of presetting of lamp shade, can be so that the direction of bright lamp of lamp shade and the extending direction of horn have certain angle, the example, when the contained angle that the angle equals the extending direction of horn and aircraft nose direction is predetermine, can be so that the direction of bright lamp of lamp shade is towards the direction of unmanned aerial vehicle aircraft nose. Therefore, the lighting direction of the lampshade can be designed according to actual requirements, and the use feeling is improved.

As shown in fig. 5 and 6, the navigation light assembly 130 further includes a circuit board 136, the base 131 is provided with an accommodating cavity 137, the circuit board 136 is disposed in the accommodating cavity 137, the circuit board 136 is provided with a second notch 1362, the inner wall of the accommodating cavity 137 is correspondingly provided with a second protrusion 139, the second notch 1362 corresponds to the second protrusion 139, the circuit board 136 is further provided with a first light source 1364 and a second light source 1366 for emitting light beams with different wavelengths, the lamp shade includes a first lamp shade 134 and a second lamp shade 135, the first light source 1364 corresponds to the first lamp shade 134, and the second light source 1366 corresponds to the second lamp shade 135.

Specifically, the second notch 1362 is disposed at the asymmetric position of the circuit board 136, and the second notch 1362 corresponds to the second protrusion 139, so that the circuit board 136 cannot be randomly placed in the accommodating cavity 137, and must be normally placed in a specific direction, thereby avoiding the problem of assembly error to a certain extent, forming a foolproof structure, improving the assembly quality, and reducing the error rate. In addition, the accommodating cavity 137 may be provided with a protrusion, so that a certain gap is formed between the circuit board 136 and the accommodating cavity 137, thereby improving the heat dissipation efficiency and the stability of the circuit board 136 during use.

In addition, the first lamp housing 134 and the second lamp housing 135 are made of transparent materials so that light can normally transmit through the transparent materials. The first light source 1364 provided at one side of the circuit board 136 corresponds to the first lamp shade 134, and the first light source 1364 displays one color of light according to the wavelength of the light beam. The second light source 1366 provided at the other side of the circuit board 136 corresponds to the second lamp shade 135, and the second light source 1366 displays light of another color according to the wavelength of the light beam. In this way, the heading of the unmanned aerial vehicle can be known clearly according to the light with different colors.

It should be noted that, the orientation of first lamp shade 134 and second lamp shade 135 all is relevant with unmanned aerial vehicle's horn extending direction, recess 112 extending direction, connecting piece 123 set up the form, the range form of spliced pole 125 and the locating hole 138's that corresponds position that sets up, the embodiment of the utility model provides an angle and the setting form to each spare part do not do specific restriction, and first lamp shade 134 and second lamp shade 135 line direction preset the direction for the lamp shade, can be unanimous with unmanned aerial vehicle aircraft nose direction, also can deviate aircraft nose direction certain angle as required. In order to ensure that light of different colors emitted by the first light source 1364 and the second light source 1366 respectively faces the front and the rear of the head of the unmanned aerial vehicle, the preset direction of the lampshade can be kept consistent with the direction of the head, so that an operator, a user and a viewer can more intuitively determine the heading of the unmanned aerial vehicle according to the colors, the heading of the unmanned aerial vehicle does not need to be calculated secondarily, and the user experience is improved. Illustratively, the extending direction of the arm is the same as the extending direction of the groove 112, and the connecting line direction of the first protrusion 1232 and the first mounting hole 1234 is the same as the extending direction of the groove 112, so as to ensure that the extending direction of the arm is the same as the connecting line direction of the first protrusion 1232 and the first mounting hole 1234, and thus the extending direction of the arm can be determined through the base 120, meanwhile, the arrangement form of the connecting posts 125 is matched with the position arrangement of the corresponding positioning holes 138, the preset direction of the lampshade is parallel to the connecting line direction of two of the connecting posts 125, the preset direction of the lampshade is perpendicular to the connecting line direction of two adjacent positioning holes 138, and the preset direction of the lampshade and the extending direction of the arm are set at a preset angle, which is equal to the included angle between the extending direction of the arm and the head direction, so as to ensure that the preset. Or, should predetermine the angle and can adjust according to the actual demand, and then can adjust the lamp shade and predetermine the contained angle of direction and aircraft nose direction. Optionally, the preset direction of the lampshade may also be perpendicular to the line direction of the two connecting posts 125, and the preset direction of the lampshade is parallel to the line direction of the two adjacent positioning holes 138.

As shown in fig. 2 and 5, the sidewall of the base 131 is provided with a wire through hole 132, and the wire through hole 132 is disposed between the first lamp housing 134 and the second lamp housing 135.

With the above structure, the interference of wires to the first lamp housing 134 and the second lamp housing 135 can be reduced, and in addition, the wire through hole 132 can also be used as a reference in assembly, for example, the navigation lamp assembly 130 needs to be assembled in an outward orientation or an inward orientation of the wire through hole 132, otherwise, the assembly cannot be performed normally due to the problems of wire distance and the like, and the error rate in assembly is reduced.

As shown in fig. 2 and 5, the spraying assembly 140 includes a mounting base 142, a plurality of third mounting holes 144 are disposed on the mounting base 142, a plurality of fourth mounting holes 133 are correspondingly disposed on the base 131, and the mounting base 142 and the base 131 are fixedly connected through the third mounting holes 144 and the fourth mounting holes 133.

specifically, the mounting seat 142 may be inserted into the base 131, and after the third mounting hole 144 and the fourth mounting hole 133 are aligned, a fastening operation, such as fastening, may be performed by fastening screws.

The embodiment of the utility model provides an unmanned aerial vehicle is still disclosed, including as above arbitrary one sprinkler 100. The drone comprises the same structure and benefits as the sprinkler 100 in the previous embodiment. The structure and advantages of the spraying device 100 have been described in detail in the foregoing embodiments, and are not repeated herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a sprinkler, its characterized in that, is including the horn seat, base, the light subassembly and the spraying assembly that are used for being connected with unmanned aerial vehicle's horn, the horn seat with the connection can be dismantled to the base, the base with the spraying assembly passes through the connection can be dismantled to the light subassembly.

2. The spraying apparatus of claim 1, wherein the base includes an upper substrate, a lower substrate, and a plurality of elastic members, the upper substrate and the lower substrate being stacked and connected by the elastic members.

3. The spraying device of claim 2, wherein the upper substrate is provided with a connecting member, the connecting member is provided with a first limiting portion, the arm seat is correspondingly provided with a second limiting portion, and the first limiting portion is connected with the second limiting portion in a matching manner.

4. The spraying device of claim 3, wherein the connector and the horn base are nested, wherein the first stop portion includes a first protrusion and a first mounting hole, wherein the second stop portion includes a first indentation and a second mounting hole, wherein the first protrusion corresponds to the first indentation, and wherein the first mounting hole corresponds to the second mounting hole.

5. The spraying device as claimed in claim 2, wherein a plurality of connecting posts are disposed on a side surface of the lower substrate away from the upper substrate, the navigation light assembly includes a base and a lampshade, a plurality of positioning holes are disposed on the base, and the lower substrate and the base are fixedly connected through the connecting posts and the positioning holes.

6. The spraying device as claimed in claim 5, wherein the arm base is cylindrical, and a groove is formed on an end surface of the arm base, and the extending direction of the groove is at a predetermined angle to the predetermined direction of the lamp housing.

7. The spraying device of claim 5, wherein the navigation light assembly further comprises a circuit board, the base is provided with a receiving cavity, the circuit board is disposed in the receiving cavity, the circuit board is provided with a second notch, the inner wall of the receiving cavity is correspondingly provided with a second protrusion, the second notch corresponds to the second protrusion, the circuit board is further provided with a first light source and a second light source, the first light source and the second light source emit light beams with different wavelengths, the lamp housing comprises a first lamp housing and a second lamp housing, the first light source corresponds to the first lamp housing, and the second light source corresponds to the second lamp housing.

8. The spraying device of claim 7, wherein the base sidewall is provided with a wire passing hole disposed between the first canopy and the second canopy.

9. the spraying device of claim 8, wherein the spraying assembly includes a mounting base, the mounting base has a plurality of third mounting holes, the base has a plurality of fourth mounting holes, and the mounting base and the base are fixedly connected through the third mounting holes and the fourth mounting holes.

10. An unmanned aerial vehicle comprising a spraying device as claimed in any one of claims 1 to 9.