CN109661762B

CN109661762B - Motor, power device, power suit and aircraft

Info

Publication number: CN109661762B
Application number: CN201780051349.XA
Authority: CN
Inventors: 邓涛; 涂岳耀
Original assignee: SZ DJI Technology Co Ltd
Current assignee: SZ DJI Technology Co Ltd
Priority date: 2017-01-06
Filing date: 2017-03-20
Publication date: 2021-07-27
Anticipated expiration: 2037-03-20
Also published as: CN206552250U; WO2018126536A1; CN113335512A; CN109661762A

Abstract

Disclosed is a motor (100), wherein the motor (100) comprises a motor body (10), a cover body (40), a base (60) and an electronic speed regulator (80). The motor body (10) comprises a base (12), a stator (14) fixed on the base (12), and a rotor (16) covered outside the stator (14) and the base (12). The rotor (16) includes first and second opposite ends (166, 168), with the base (12) at the first end (166). The cover (40) is coupled to the base (12) and covers the first end (166). The base (60) is combined with the cover body (40) and forms an accommodating cavity (61) together with the cover body (40), and the base (60) and the motor body (10) are respectively positioned on two sides of the back of the cover body (40). The electronic speed regulator (80) is arranged on the base (60) and is contained in the containing cavity (61), and the motor body (10) is electrically connected with the electronic speed regulator (80) through a lead (82). A power kit, a power plant (300) and an unmanned aerial vehicle (500) are also provided.

Description

Motor, power device, power suit and aircraft

Technical Field

The invention relates to the technical field of aircrafts, in particular to a motor, a power device with the motor, a power suit with the motor and an unmanned aircraft with the power device or the power suit.

Background

The unmanned aerial vehicle is a flying device in rapid development, and has the advantages of flexibility, quick response, unmanned flight and low operating requirement. At present, the application range of unmanned aerial vehicles is widened to three fields of military affairs, scientific research and civil use, and various tasks can be executed in the fields of electric power, communication, weather, agriculture, ocean, exploration, photography, disaster prevention and reduction, crop estimation, agricultural plant protection, drug and smudge, border patrol, public security and counter terrorism and the like. Generally, unmanned aerial vehicles perform space flight by generating power through a motor driving a propeller to rotate so as to perform various tasks.

However, when the unmanned aerial vehicle user, especially the DIY user, assembles the unmanned aerial vehicle, the purchased accessories of the power system need to be reassembled, for example, the motor body and the connecting wire of the electronic speed regulator are connected and fixed together, which results in complicated connection, and the user is time-consuming and labor-consuming when assembling the unmanned aerial vehicle.

Disclosure of Invention

Embodiments of the present invention are directed to solving at least one of the technical problems occurring in the prior art. To this end, embodiments of the present invention need to provide a motor, a power plant having the motor, a power kit having the motor, and an unmanned aerial vehicle having the power plant or the power kit.

In a first aspect, the present invention provides an electric machine comprising: the motor comprises a motor body, a stator and a rotor, wherein the motor body comprises a base, the stator is fixed on the base, the rotor covers the stator and the base, the rotor comprises a first end and a second end which are opposite, and the base is located at the first end; the cover body is combined with the base and covers the first end; the base is combined with the cover body and forms an accommodating cavity together with the cover body, and the base and the motor body are respectively positioned on two sides of the back of the cover body; and the electronic speed regulator is arranged on the base and contained in the containing cavity, and the motor body is electrically connected with the electronic speed regulator through a lead.

In a second aspect, the present invention provides a power plant comprising a propeller, the power plant further comprising a motor, the motor comprising: the motor comprises a motor body, a stator and a rotor, wherein the motor body comprises a base, the stator is fixed on the base, the rotor covers the stator and the base, the rotor comprises a first end and a second end which are opposite, and the base is located at the first end; the cover body is combined with the base and covers the first end; the base is combined with the cover body and forms an accommodating cavity together with the cover body, and the base and the motor body are respectively positioned on two sides of the back of the cover body; the electronic speed regulator is arranged on the base and contained in the containing cavity, and the motor body is electrically connected with the electronic speed regulator through a lead; the screw is installed on the motor, the motor can drive the screw rotates.

In a third aspect, the present invention provides a power kit for an unmanned aerial vehicle, where the power kit includes a motor, a first sealing element, and a connecting arm, and the motor includes: the motor comprises a motor body, a stator and a rotor, wherein the motor body comprises a base, the stator is fixed on the base, the rotor covers the stator and the base, the rotor comprises a first end and a second end which are opposite, and the base is located at the first end; the cover body is combined with the base and covers the first end; the base is combined with the cover body and forms an accommodating cavity together with the cover body, and the base and the motor body are respectively positioned on two sides of the back of the cover body; the electronic speed regulator is arranged on the base and contained in the containing cavity, and the motor body is electrically connected with the electronic speed regulator through a lead; the first sealing element is accommodated in the accommodating cavity and seals a gap between the base and the cover body, and the connecting arm is fixedly connected with the base and detachably connected with a horn of the unmanned aerial vehicle.

In a third aspect, the present invention further provides a power kit for an unmanned aerial vehicle, the power kit comprising: the motor mounting seat comprises a base and a connecting arm fixedly connected with the base, the base is provided with a groove, and the connecting arm is detachably connected with a horn of the unmanned aerial vehicle; the motor is arranged on the base, the bottom of the motor is arranged corresponding to the opening of the groove, and the motor is matched with the accommodating groove together to form an accommodating cavity; the electronic speed regulator is accommodated in the accommodating cavity, is electrically connected with the motor and is used for driving the motor to rotate; and the first sealing element is arranged at the opening of the accommodating cavity and used for sealing a gap between the periphery of the opening of the accommodating groove and the bottom of the motor.

In a fourth aspect, the present invention further provides an unmanned aerial vehicle, including a fuselage, the unmanned aerial vehicle further including a power plant or a power kit; the power device comprises a propeller and a motor; the power suit comprises a motor, a first sealing element and a connecting arm; the motor includes: the motor comprises a motor body, a stator and a rotor, wherein the motor body comprises a base, the stator is fixed on the base, the rotor covers the stator and the base, the rotor comprises a first end and a second end which are opposite, and the base is located at the first end; the cover body is combined with the base and covers the first end; the base is combined with the cover body and forms an accommodating cavity together with the cover body, and the base and the motor body are respectively positioned on two sides of the back of the cover body; the electronic speed regulator is arranged on the base and contained in the containing cavity, and the motor body is electrically connected with the electronic speed regulator through a lead; the propeller is arranged on the motor, and the motor can drive the propeller to rotate; the first sealing element is accommodated in the accommodating cavity and seals a gap between the base and the cover body, and the connecting arm is fixedly connected with the base and is used for being detachably connected with a horn of the unmanned aerial vehicle; the motor is arranged on the fuselage to provide flight power for the unmanned aerial vehicle.

According to the unmanned aerial vehicle, the power suit, the power device and the motor provided by the embodiment of the invention, the motor body and the electronic speed regulator are electrically connected through the conducting wire and integrated into a single module, and the single module can be used as an integral part for mounting or dismounting, so that not only is wiring simplified, but also the assembly efficiency of the unmanned aerial vehicle is improved.

In certain embodiments, the unmanned aerial vehicle is an agricultural drone, comprising a water tank mounted on the fuselage and a spray head in communication with the water tank through a conduit.

Additional aspects and advantages of embodiments of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of embodiments of the invention.

Drawings

The above and/or additional aspects and advantages of embodiments of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a perspective view of an unmanned aerial vehicle according to some embodiments of the present invention.

Fig. 2 is a schematic perspective assembly view of the motor of the unmanned aerial vehicle in fig. 1.

Fig. 3 is an exploded perspective view of the motor of fig. 2.

Fig. 4 is an exploded perspective view of the motor of fig. 2 from another perspective.

Fig. 5 is a perspective exploded view of the motor of fig. 2 from another perspective.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.

Referring to fig. 1, an unmanned aerial vehicle 500 according to an embodiment of the present invention includes a fuselage 510, a horn 520 extending from the fuselage 510, and a power plant 300 disposed on the horn 520. In the present embodiment, the unmanned aerial vehicle 500 is an eight-rotor aircraft, i.e., an aircraft having eight power assemblies 300. It is understood that the unmanned aerial vehicle 500 may also be a quad-rotor, a hexa-rotor, a twelve-rotor, etc., and even that the unmanned aerial vehicle 500 may be a single-rotor; additionally, in certain embodiments, unmanned aerial vehicle 500 may be a fixed wing-rotor hybrid vehicle. The unmanned aerial vehicle 500 can be an agricultural unmanned aerial vehicle, can be used for agricultural plant protection, such as spraying pesticides, nutrient solution and the like to plants, and comprises a water tank mounted on a vehicle body and a spray head communicated with the water tank through a pipeline; the unmanned aerial vehicle 500 may also be used to carry electronic devices (not shown) such as cameras, video cameras, etc. to perform patrolling, surveying, etc.

Each power unit 300 includes a motor 100 and a propeller 200 mounted on the motor 100. The motor 100 can drive the propeller 200 to rotate to provide flight power for the unmanned aerial vehicle 500, so as to drive the unmanned aerial vehicle 500 to fly.

Referring to fig. 2, in the present embodiment, the motor 100 is a brushless motor, and includes a motor body 10, a cover 20, a rotating shaft 30, a cover 40, a plurality of locking members 50, a base 60, a locking member 70, and an electronic governor 80. The cover 20 covers the motor body 10, the cover 40 covers the motor body 10, the rotating shaft 30 penetrates through the cover 20 and the motor body 10, and the base 50 supports the motor body 10, the cover 20, the rotating shaft 30, the cover 40, the locking member 50, the locking member 70, and the electronic governor 70.

Specifically, referring to fig. 3 to 5, the motor body 10 includes a base 12, a stator 14 fixed on the base 12, and a rotor 16 covering the stator 14 and the base 12.

The base 12 includes opposing top and

bottom surfaces

122 and 124. The bottom surface 124 defines a plurality of first mounting holes 1240.

The stator 14 is secured to the top surface 122. The stator 14 includes a core 142 and a coil (not shown) disposed on the core 142. The core 142 includes a sleeve portion 1422 and a plurality of supporting portions 1424. The mounting portion 1422 is substantially a circular column, and is disposed on the top surface 122 and connected to the base 12 in a rotation-stopping manner. Each support portion 1424 is substantially plate-shaped, and a plurality of support portions 1424 extend outward from the outer circumferential wall of the sleeve portion 1422, are arranged at intervals along the circumferential direction of the sleeve portion 1422, and present a spoke divergence. In other words, one side of each supporting portion 1424 is fixed on the outer circumferential wall of the sleeve portion 142, and the other side extends along the radial direction of the sleeve portion 142 toward the direction away from the sleeve portion 142. The support part 1424 is used to support a coil, and the coil may be multiple, and each coil is wound on one support part 1424.

The rotor 16 includes a yoke 162 and a plurality of magnets 164 disposed within the yoke 162. The yoke 162 has a substantially cylindrical shape, and is rotatably covered around the stator 14 and the base 12, and the plurality of magnets 164 are fixedly provided on the inner wall of the yoke 162 and arranged at intervals in the circumferential direction of the yoke 162. Each magnet 16 is generally in the form of an arcuate plate-like structure to conform to the inner wall of the yoke 162, although the magnets 16 may be in other shapes, such as rectangular parallelepiped, elliptical, etc. The rotor 16 includes opposite first and

second ends

166, 168, with the base 12 being located at the first end 166.

The housing 20 is attached to the second end 168 of the rotor 16 and is configured to receive a propeller 200. Specifically, the housing 20 includes a top wall 22 and a retaining wall 24 extending from the top wall 22. The top wall 22 is substantially circular plate-shaped, and a plurality of positioning holes 222 are formed therethrough. The positioning holes 221 are spaced apart from each other to fix and position the propeller 200 of the unmanned aerial vehicle 500. A blocking wall 24 is connected to the second end 168, the blocking wall 24 being generally cylindrical and formed around the outer edge of the top wall 22 and extending generally perpendicular to the top wall 22 and toward the yoke 162. The blocking wall 24 has a plurality of wind holes 242 formed therethrough, and in the present embodiment, the wind holes 242 extend substantially in the radial direction of the cover body 20 through the blocking wall 24 to communicate with the inner cavity of the motor 100. In the present embodiment, the number of the wind holes 242 is plural, and the plural wind holes 242 are arranged along the circumferential direction of the blocking wall 24 and spaced from each other. The air holes 242 are configured to allow air to flow therethrough to facilitate heat dissipation from the electric machine 100.

The shaft 30 is substantially in the shape of a cylindrical rod, one end of the shaft 30 is inserted into the top wall 22 and is connected to the top wall 22 in a rotation-stopping manner, and the other end of the shaft 30 is rotatably inserted into the base 12. When the motor 100 is powered on, the rotor 16 drives the cover 20 and the shaft 30 to rotate relative to the stator 14 and the base 12. Further, the end of the shaft 30 protrudes out of the surface of the top wall 22 of the housing 20, which is used for mounting the propeller 200 and driving the propeller 200 to rotate. It is understood that the rotating shaft 30 may not be limited to the above arrangement, but may also be: for example, one end of the rotating shaft 30 may be inserted into the base 12 and connected to the base 12 in a rotation-proof manner, and the other end may be rotatably inserted through the top wall 22 of the cover 20, so that the rotor 16, the cover 20, and the propeller 200 can rotate relative to the stator 14 and the base 12 about the axis of the rotating shaft 30.

The cover 40 is coupled to the base 12 and covers the first end 166. Specifically, the cover 40 includes a bottom plate 42 and a side plate 44 extending from the bottom plate 42. The bottom plate 42 is substantially circular plate-shaped and includes an inner surface 422 and an outer surface 424 opposite to each other, the inner surface 422 is closer to the base 12 than the outer surface 444, and the outer surface 424 is opened with a plurality of first combining holes 428. The bottom plate 42 is formed with a plurality of second mounting holes 420 and a through hole 421 penetrating the inner surface 422 and the outer surface 424, the plurality of second mounting holes 420 correspond to the plurality of first mounting holes 1240, and the through hole 421 is spaced apart from the plurality of second mounting holes 420. . The side plate 44 is generally cylindrical and is formed around the outer edge of the bottom plate 42, and extends generally perpendicular to the bottom plate 42 and toward the base 12. The side plate 44 is provided with a plurality of heat dissipating through holes 440, and in the present embodiment, the heat dissipating through holes 440 penetrate the side plate 44 and extend substantially along the radial direction of the cover 40 until communicating with the inner cavity of the motor 100. In the present embodiment, the number of the heat dissipating through-holes 440 is plural, and the plural heat dissipating through-holes 440 are arranged along the circumferential direction of the blocking wall 24 and spaced apart from each other. The heat dissipation through-holes 440 serve to allow air to circulate, thereby facilitating heat dissipation of the motor 100.

The locking member 50 is engaged with the first mounting hole 1240 through the plurality of second mounting holes 420 to couple the cover 40 to the base 12, and the side plate 44 covers the first end 166. In this embodiment, the locking member 50 is a locking screw, and in other embodiments, the cover 40 and the base 12 can be combined by any one or more of screwing, clamping, gluing and welding.

The base 60 is combined with the cover 40 and forms a containing cavity 61 together with the cover 40, and the base 60 and the motor body 10 are respectively located on two opposite sides of the cover 40. Specifically, the base 60 includes a bottom wall 62 and a side wall 64 extending from the bottom wall 62. The bottom wall 62 has a substantially circular plate shape and includes an upper surface 622 and a lower surface 624 opposite to each other, the upper surface 622 is closer to the cover 40 than the lower surface 624 is, in other words, the upper surface 622 is located inside the receiving cavity 61, and the lower surface 624 is located outside the receiving cavity 61. The bottom wall 62 is formed with a plurality of second coupling holes 620 penetrating the lower surface 624 of the upper surface 622, and the plurality of second coupling holes 620 correspond to the plurality of first coupling holes 428. The side wall 64 is generally cylindrical and formed around the outer edge of the bottom wall 62, and extends generally perpendicular to the bottom wall 62 and toward the lid body 40. The sidewall 64 includes an inner side 642 and an outer side 644 opposite to each other, the inner side 642 is located inside the accommodating cavity 61, and the outer side 644 is located outside the accommodating cavity 61.

The locking member 70 is inserted through the plurality of second coupling holes 620 and coupled with the plurality of first coupling holes 428 to couple the base 60 with the cover 40, and the side wall 64 covers the outer surface 424. In this embodiment, the locking member 70 is a locking screw, and in other embodiments, the base 60 and the cover 40 may be coupled by any one or a combination of a screw connection, a snap connection, an adhesive connection, and a welding connection.

The electronic governor 80 is mounted on the base 60 and is accommodated in the accommodating cavity 61, specifically, the electronic governor 80 is fixed on the upper surface 622 of the bottom wall 62, and the electronic governor 80 can be fixed on the upper surface 622 by any one or more of gluing, welding, screwing and clamping. The motor body 10 is electrically connected to the electronic governor 80 through a wire 82. Specifically, the lead wire 82 extends from the motor body 10 (the stator 14 and/or the rotor 16) and penetrates through the through hole 421 to enter the receiving cavity 61, and then is electrically connected to the electronic governor 80. In the present embodiment, the lead wire 82 is soldered to the electronic governor 80.

According to the unmanned aerial vehicle 500 provided by the embodiment of the invention, the motor body 10 of the motor 100 is electrically connected with the electronic speed regulator 80 arranged on the base 60 through the lead 82, and is integrated into a single module, so that the unmanned aerial vehicle can be installed or disassembled as a whole, wiring is simplified, and the assembling efficiency of the unmanned aerial vehicle 500 is improved.

In some embodiments, the receiving cavity 61 is a sealed cavity, and the sealed cavity 61 is defined by the bottom plate 42, the bottom wall 62 and the side wall 64.

In some embodiments, further, the motor 100 further includes a first sealing member 90, in which case, the outer surface 424 of the bottom plate 42 defines an annular receiving groove 426, and the annular receiving groove 426 is not communicated with the plurality of first coupling holes 428. The first sealing member 90 is received in the receiving groove 426 to seal a gap between the base 60 and the cover 40. The first sealing member 90 may be any one of a gasket, a sealant, and a sealing oil. Due to the arrangement of the first sealing member 90, the unmanned aerial vehicle 500 can be prevented from flying in rainy days or in environments with high humidity or from being sprayed when a spraying task is performed, water or spraying liquid permeates into the accommodating cavity 61 from the joint of the base plate 42 and the base 60 to damage the electronic speed regulator 80, the sealing performance of the motor 100 is improved, and the waterproof function of the motor 100 is realized.

In some embodiments, the motor 100 further includes a second sealing member 91, the second sealing member 91 defines a wire hole 910 engaged with the wire 82, the second sealing member 91 is installed in the through hole 421, and the wire 82 extends from the motor body 10 and penetrates through the wire hole 910 and is connected to the electronic governor 80. The second sealing member 91 may be any one of a gasket, a sealant, and a sealing oil. Due to the second sealing member 91, the unmanned aerial vehicle 500 can be prevented from flying in rainy days or in environments with high humidity or from being sprayed when a spraying task is executed, water or spraying liquid permeates into the accommodating cavity 61 from the bottom plate 42 to damage the electronic speed regulator 80, the sealing performance of the motor 100 is improved, and the waterproof function of the motor 100 is realized.

In some embodiments, further motor 100 includes third sealing member 92, in which case each second mounting hole 420 is a stepped hole and includes a stepped surface 4202, third sealing member 92 is received in second mounting hole 420 and carried on stepped surface 4202, and third sealing member 92 is disposed on retaining member 50. The third sealing member 92 may be any one of a gasket, a sealant, and a sealing oil. It is understood that each second mounting hole 420 is a stepped hole and may also include two stepped surfaces 4202 opposite to each other, and the third sealing element 92 may be carried on one of the stepped surfaces 4202 or may be carried on both stepped surfaces 4202 to achieve double-sided waterproofing. Due to the third sealing element 92, the unmanned aerial vehicle 500 can be prevented from flying in rainy days or in environments with high humidity or from being sprayed when a spraying task is executed, water or spraying liquid permeates into the accommodating cavity 61 from the bottom plate 42 to damage the electronic speed regulator 80, the sealing performance of the motor 100 is improved, and the waterproof function of the motor 100 is realized.

In some embodiments, further the motor 100 further comprises a fourth sealing member 93, in this case, each second combining hole 620 is a stepped hole and comprises a stepped surface 6202, the fourth sealing member 93 is received in the second combining hole 620 and is carried on the stepped surface 6202, and the fourth sealing member 93 is sleeved on the locking member 50. The fourth sealing member 93 may be any one of a gasket, a sealant, and a sealing oil. It is understood that each second combination hole 620 is a stepped hole, and may also include two stepped surfaces 6202 opposite to each other, and the fourth sealing element 93 may be carried on one of the stepped surfaces 6202, or may be simultaneously carried on the two stepped surfaces 6202 to achieve double-sided waterproofing. Due to the fourth sealing member 93, the unmanned aerial vehicle 500 can be prevented from flying in rainy days or in environments with high humidity or from being sprayed when a spraying task is performed, water or spraying liquid permeates into the accommodating cavity 61 from the bottom plate 42 or the bottom wall 62 to damage the electronic governor 80, the sealing performance of the motor 100 is improved, and the waterproof function of the motor 100 is realized.

In some embodiments, the cover 40 further includes a boss 46, the boss 46 extends from the outer surface 424, the first coupling hole 428 is opened at an end of the boss 46, and the locking member 70 passes through the second coupling hole 620 to cooperate with the first coupling hole 428 so that when the base 60 is coupled with the cover 40, the boss 46 is received in the receiving cavity 61, and at this time, the base 60 is coupled with the cover 40 more stably and firmly. In some embodiments, the base 60 further includes a protrusion 66 extending from the upper surface 622, and the second coupling hole 620 penetrates the lower surface 624 and the protrusion 66, so that the base 60 and the cover 40 are more stably and firmly coupled.

In some embodiments, the base 60 further defines a lamp hole 67, the motor 100 further includes a light emitting diode 68 and a lamp 69, the lamp 69 is installed in the lamp hole 67, the light emitting diode 68 is accommodated in the accommodating cavity 61 and corresponds to the lamp 69, and the light emitting diode 68 is electrically connected to the electronic governor 80 to emit light to alert the user of the location of the unmanned aerial vehicle 500 during night flight.

In some embodiments, the surface of the lamp housing 69 located in the receiving cavity 61 is coated with the sealant 60a, so as to further improve the sealing performance of the motor 100, thereby achieving the waterproof function of the motor 100.

In some embodiments, further, the motor 100 may further include a heat sink 96, the heat sink 95 is housed in the stator 14 and is connected to the base 12 and the stator 14 in a rotation-stopping manner, and the heat sink 95 is used for dissipating heat generated by the motor 100.

In some embodiments, the motor 100 further includes a connecting arm 94, the connecting arm 94 extending from an outer side 644 of the side wall 64, and the electronic governor 80 electrically connected to an electrical cord 95 that is disposed through the connecting arm 94. The connecting arm 94 is detachably connected to the horn 520. The connecting arm 94 can be, but is not limited to, a sleeve, a snap, an insert, in other words, the connecting arm 94 can be sleeved, snapped, or plugged with the horn 520. Of course, the connecting arm 94 can also be fixedly connected to the horn 520, for example, by gluing, welding, or integrally molding.

The embodiment of the invention further provides a power kit for the unmanned aerial vehicle, which comprises the motor 100, the first sealing element 90 and the connecting arm 94 in any one of the above embodiments. The first sealing member 90 is received in the receiving cavity 61 and seals a gap between the base 60 and the cover 40, and the connecting arm 94 is fixedly connected with the base 60 and is used for detachably connecting with the horn 520 of the unmanned aerial vehicle 500. That is, the connecting arm 94 may be sleeved, snapped, or otherwise plugged into the horn 520.

The embodiment of the invention also provides a power set of the unmanned aerial vehicle, which comprises a motor mounting seat, a motor, an electronic speed regulator and a first sealing element 90. The motor mounting base comprises a base 60 and a connecting arm 94 fixedly connected with the base 60, the base 60 is provided with a groove 60b, and the connecting arm 94 is detachably connected with a horn 520 of the unmanned aerial vehicle 500. The motor only comprises the motor body 10, the cover body 20, the rotating shaft 30 and the cover body 40 of the above embodiment; the motor is installed on the base 60, the bottom of the motor is arranged corresponding to the opening of the groove 60b, and the motor and the groove 60b are matched together to form an accommodating cavity 61. And the electronic speed regulator 80 is accommodated in the accommodating cavity 61, and the electronic speed regulator 80 is electrically connected with the motor and used for driving the motor to rotate. The first sealing member 90 is disposed at the opening of the accommodating chamber 61 and is used for sealing a gap between the periphery of the opening of the accommodating chamber 61 and the bottom of the motor.

In some embodiments, further, the stator 14 further includes a plurality of stoppers 1426, each stopper 1426 being disposed at an end of each support 1424 to block the coil from being detached from the support 1424.

In the description of the specification, reference to the terms "certain embodiments," "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and those skilled in the art can make changes, modifications, substitutions and alterations to the above embodiments within the scope of the present invention, which is defined by the claims and their equivalents.

Claims

1. The utility model provides an unmanned vehicles's power suit, its characterized in that, power suit includes motor, first sealing member and linking arm, the motor includes:

the motor comprises a motor body, a stator and a rotor, wherein the motor body comprises a base, the stator is fixed on the base, the rotor covers the stator and the base, the rotor comprises a first end and a second end which are opposite, and the base is located at the first end;

the cover body is combined with the base and covers the first end, the cover body comprises a bottom plate and a side plate extending from the bottom plate, and a plurality of heat dissipation through holes are formed in the side plate;

the base is combined with the cover body and forms an accommodating cavity together with the cover body, and the base and the motor body are respectively positioned on two sides of the back of the cover body; and

the electronic speed regulator is arranged on the base and contained in the containing cavity, and the motor body is electrically connected with the electronic speed regulator through a lead;

the first sealing element is accommodated in the accommodating cavity and seals a gap between the base and the cover body, and the connecting arm is fixedly connected with the base and detachably connected with a horn of the unmanned aerial vehicle.

2. The power kit of claim 1, wherein the motor further comprises a locking member, the base comprises a top surface and a bottom surface opposite to each other, the stator is fixed on the top surface, the bottom surface is provided with a first mounting hole, the bottom plate is provided with a second mounting hole, the locking member passes through the second mounting hole and is matched with the first mounting hole so as to combine the cover body with the base, and the side plate covers the first end.

3. The power kit for an UAV of claim 2, wherein the receiving cavity is a sealed cavity.

4. The power kit of claim 3, wherein the motor further comprises a first sealing element, the base plate comprises an inner surface and an outer surface opposite to each other, the inner surface is closer to the base than the outer surface, the outer surface defines a receiving groove, and the first sealing element is received in the receiving groove to seal a gap between the base and the cover.

5. The power kit of an unmanned aerial vehicle of claim 3, wherein the motor further comprises a second sealing element, the second sealing element defines a wire hole for engaging with the wire, the base plate defines a through hole, the second sealing element is mounted in the through hole, and the wire extends from the motor body, penetrates through the wire hole, and is connected to the electronic governor.

6. The UAV powerpack of claim 3, wherein the motor further comprises a third seal, the second mounting hole is a stepped hole and includes a stepped surface, the third seal received in the second mounting hole, the third seal carried on the stepped surface and surrounding the retaining member.

7. The power kit of an UAV of claim 3, wherein the motor further comprises a fastener, the base plate comprises an inner surface and an outer surface opposite to each other, the outer surface defines a first combining hole, the base comprises a bottom wall and a sidewall extending from the bottom wall, the bottom wall defines a second combining hole, the fastener passes through the second combining hole to cooperate with the first combining hole to combine the base with the cover, and the sidewall covers the base plate.

8. The power kit of an UAV of claim 3, wherein the motor further comprises a locking member, the cover further comprises a boss, the base plate comprises an inner surface and an outer surface opposite to each other, the boss extends from the outer surface and defines a first coupling hole, the base comprises a bottom wall and a side wall extending from the bottom wall, the bottom wall defines a second coupling hole, the locking member passes through the second coupling hole and cooperates with the first coupling hole to couple the base and the cover, the side wall covers the base plate, and the boss is received in the receiving cavity.

9. The power kit of claim 8, wherein the bottom wall includes an upper surface and a lower surface opposite to each other, the upper surface is closer to the cover than the lower surface, the base further includes a protrusion extending from the upper surface, the second combining hole extends through the lower surface and the protrusion, the second combining hole includes two opposite step surfaces, and the motor further includes a fourth sealing member received in the second combining hole and supported on at least one of the two step surfaces of the second combining hole and surrounding the locking member.

10. The power kit of claim 8, wherein the base further comprises a light cover hole, the base further comprises a light emitting diode and a light cover, the light cover is installed in the light cover hole, the light emitting diode is accommodated in the accommodating cavity and corresponds to the light cover, and the light emitting diode is electrically connected to the electronic governor.

11. The UAV powerpack of claim 10 wherein the surface of the light cover within the cavity is coated with a sealant.

12. The power kit for an UAV of claim 8, wherein the electronic governor is fixed to the bottom wall by any one or more of gluing, welding, screwing, and snapping.

13. The power kit for an unmanned aerial vehicle of claim 1, wherein the wire is welded to the electronic governor.

14. The power kit of an unmanned aerial vehicle of claim 8, wherein the sidewall comprises an outer side and an inner side opposite to each other, the inner side is located in the receiving cavity, the motor further comprises a connecting arm extending from the outer side of the sidewall, and the electronic governor is connected to an electric wire passing through the connecting arm.

15. The power kit according to any one of claims 1 to 14, wherein the stator includes an iron core and a coil disposed on the iron core, the iron core includes a sleeve portion and a plurality of support portions disposed on the sleeve portion, and the coil is wound on the support portions.

16. The UAV powerpack of claim 15, wherein the stator further comprises a plurality of stops, each stop being disposed at an end of each support to block the coil from disengaging from the support.

17. The power kit according to any one of claims 1 to 14, wherein the rotor includes a yoke and a plurality of magnets disposed in the yoke, the yoke covers the stator, and the plurality of magnets are fixedly disposed on an inner wall of the yoke and are arranged at intervals in a circumferential direction of the yoke.

18. The power kit according to any one of claims 1 to 14, wherein the electric machine further comprises a housing attached to the rotor, the housing having air holes arranged to allow air to pass therethrough.

19. The UAV powerpack according to claim 18, wherein the motor further comprises a shaft, the housing includes a top wall and a stop wall extending from the top wall, the stop wall is connected to the second end, one end of the shaft is inserted into the top wall and is connected to the top wall in a rotation-stop manner, and the other end of the shaft is rotatably inserted into the base.

20. The power kit according to any one of claims 1 to 14, wherein the motor further comprises a heat sink housed within the stator and coupled to the base and the stator for preventing rotation, the heat sink configured to dissipate heat generated by the motor.

21. An unmanned aerial vehicle comprises a fuselage, and is characterized in that the unmanned aerial vehicle further comprises a power device or a power set;

the power device comprises a propeller and a motor;

the power suit comprises a motor, a first sealing element and a connecting arm;

the motor includes:

the propeller is arranged on the motor, and the motor can drive the propeller to rotate;

the first sealing element is accommodated in the accommodating cavity and seals a gap between the base and the cover body, and the connecting arm is fixedly connected with the base and is used for being detachably connected with a horn of the unmanned aerial vehicle;

the motor is arranged on the fuselage to provide flight power for the unmanned aerial vehicle.

22. The UAV of claim 21 wherein the motor further comprises a retaining member, the base comprises opposing top and bottom surfaces, the stator is secured to the top surface, the bottom surface defines a first mounting hole, the bottom plate defines a second mounting hole, the retaining member extends through the second mounting hole and engages the first mounting hole to couple the cover to the base, and the side plate covers the first end.

23. The UAV of claim 22 wherein the receiving cavity is a sealed cavity.

24. The UAV of claim 23, wherein the motor further comprises a first sealing element, the base plate comprises an inner surface and an outer surface opposite to each other, the inner surface is closer to the base than the outer surface, the outer surface defines a receiving slot, and the first sealing element is received in the receiving slot to seal a gap between the base and the cover.

25. The UAV of claim 23, wherein the motor further comprises a second sealing element defining a wire hole for engaging the wire, the base plate defining a through hole, the second sealing element being mounted in the through hole, the wire extending from the motor body and through the wire hole and being connected to the governor.

26. The UAV of claim 23 wherein the motor further comprises a third seal, the second mounting hole being a stepped hole and including a stepped surface, the third seal being received in the second mounting hole, the third seal being carried on the stepped surface and surrounding the retaining member.

27. The UAV of claim 23, wherein the motor further comprises a fastener, the base plate comprises opposing inner and outer surfaces, the outer surface defines a first hole, the base comprises a bottom wall and a sidewall extending from the bottom wall, the bottom wall defines a second hole, the fastener passes through the second hole and engages with the first hole to couple the base to the cover, and the sidewall covers the base plate.

28. The UAV of claim 23, wherein the motor further comprises a locking member, the cover further comprises a boss, the base plate comprises an inner surface and an outer surface opposite to each other, the boss extends from the outer surface and defines a first coupling hole, the base comprises a bottom wall and a side wall extending from the bottom wall, the bottom wall defines a second coupling hole, the locking member passes through the second coupling hole and engages with the first coupling hole to couple the base and the cover, the side wall covers the base plate, and the boss is received in the receiving cavity.

29. The UAV of claim 28 wherein the bottom wall includes opposing upper and lower surfaces, the upper surface being closer to the cover than the lower surface, the base further including a protrusion extending from the upper surface, the second coupling hole extending through the lower surface and the protrusion, the second coupling hole including opposing step surfaces, the motor further including a fourth seal received in the second coupling hole and carried on at least one of the step surfaces of the second coupling hole and surrounding the fastener.

30. The UAV of claim 28 wherein the base further defines a lamp hole, the base further comprises a light emitting diode and a lamp cover, the lamp cover is mounted in the lamp hole, the light emitting diode is received in the receiving cavity and corresponds to the lamp cover, and the light emitting diode is electrically connected to the governor.

31. The UAV of claim 30 wherein a surface of the lamp housing within the receiving cavity is coated with a sealant.

32. The UAV of claim 28 wherein the electronic governor is secured to the bottom wall by any one or more of gluing, welding, threading, and snap-fitting.

33. The UAV of claim 21 wherein the wire is soldered to the electronic governor.

34. The UAV of claim 28 wherein the sidewall includes opposing outer and inner sides, the inner side being disposed within the cavity, the motor further including a connecting arm extending from the outer side of the sidewall, the governor being connected to a cord passing through the connecting arm.

35. The UAV of any one of claims 21-34, wherein the stator comprises a core and a coil disposed on the core, the core comprises a sleeve portion and a plurality of support portions disposed on the sleeve portion, and the coil is wound on the support portions.

36. The UAV of claim 35 wherein the stator further comprises a plurality of stops, each stop being disposed at an end of each support to block the coil from disengaging from the support.

37. The unmanned aerial vehicle of any one of claims 21-34, wherein the rotor comprises a yoke and a plurality of magnets disposed in the yoke, the yoke housing the stator, the plurality of magnets fixedly disposed on an inner wall of the yoke and arranged at intervals in a circumferential direction of the yoke.

38. The UAV of any one of claims 21-34 wherein the motor further comprises a housing attached to the rotor, the housing having air holes arranged to allow air to pass therethrough.

39. The UAV of claim 38 wherein the motor further comprises a shaft, the housing includes a top wall and a stop wall extending from the top wall, the stop wall is connected to the second end, one end of the shaft is inserted into the top wall and is connected to the top wall in a rotation-stop manner, and the other end of the shaft is rotatably inserted into the base.

40. The UAV of any one of claims 21-34 wherein the motor further comprises a heat sink housed within the stator and coupled to the base and the stator for preventing rotation, the heat sink configured to dissipate heat generated by the motor.

41. The UAV of claim 21 wherein the UAV is an agricultural drone comprising a water tank mounted on the fuselage and a spray head in communication with the water tank via a conduit.