A single and double rotary motor for lightweight, energy-saving, high-torque unmanned and manned aircraft

Abstract

The invention discloses a single and double rotary motor for lightweight, energy-saving, high-torque unmanned and manned aircraft, which combines the double rotating motor or multiple motors as a whole, and uses the bidirectional magnetic pole to share one or more stators and rotors, thereby reducing the weight of the structure; In addition to the permanent magnet and coil of the motor, all structures are made of carbon fiber materials, while using carbon fiber bearings, greatly reducing the overall weight of the motor; Improve the working parameters of the motor, so that a single motor can provide the lift of multiple motors; The internal structure of the motor is fully protected, and sufficient heat dissipation can be achieved to ensure the service life of the motor. The invention can adopt single or double rotation, has the characteristics of light weight, energy saving, long endurance and large torque, and can be widely applied to the motor of manned aircraft, plant protection UAV and other fields.

Description

a single and double rotary motor for lightweight, energy-saving, high-torque unmanned and manned aircraftTechnical Field

[0001] The invention belongs to the technical field of unmanned and manned aircraft, in particular relates to a single and double rotary high torque motor. Background Art

[0002] Rotor-wing UAV or manned aircraft, as a kind of aircraft, is a kind of aircraft that provides lift and attitude adjustment of aircraft through positive and negative rotation of propeller and speed control. It has the advantages of short flight duration, moderate load and hovering, and has been applied to film and television aerial photography, electric power cross-line operation, agricultural planting, rescue and other fields. However, the existing rotor UAV or manned aircraft have big problems, which are reflected in the comprehensive performance of the motor. The traditional motor has large weight and high energy consumption, which affects the endurance of the aircraft. At the same time, the heat dissipation performance of the motor is poor, after the aircraft is used for a long time, the motor temperature is too high, easy to damage, and difficult to maintain, so the motor can only be replaced, increasing the cost; Plant protection UAVs and manned aircraft need a large load capacity, the use of double-rotating dual-motor can provide enough lift, but the motor itself is heavier and higher energy consumption. Technical Solution

[0003] In order to solve the above problems, the invention provides a single and double rotary motor for lightweight, energy-saving, high-torque unmanned and manned aircraft, which aims to integrate the double rotary motor or multiple motors as a whole, and uses the bidirectional magnetic pole to share one or more stators and rotors, reducing the weight of the structure; At the same time, in addition to the permanent magnet and coil of the motor, all structures are made of carbon fiber materials, especially the motor bearing with large weight is also made of carbon fiber bearings, which greatly reduces the overall weight of the motor; At the same time, the working parameters of the motor are improved, so that a single motor can provide the lift of the double motor; And the internal structure of the motor is fully protected to achieve sufficient heat dissipation and ensure the service life of the motor.

[0004] The invention adopts the technical scheme of a single and double rotary motor for lightweight, energy-saving, high-torque unmanned and manned aircraft, which comprises an upper end cover, an upper rotor, an inner stator, a lower rotor and a lower end cover. Specifically, the upper end cover is circular, and the upper end cover edge is connected with the upper edge of the inner stator thread, and the inner edge of the upper end cover is coaxial with the upper rotor; Further, the inner edge of the upper rotor is connected and fixed with the upper part of the inner stator through a rotating shaft bearing, the outer edge of the upper rotor is provided with a card slot, and the card slot is provided with a permanent magnet or a winding magnetic pole; Further, the inner stator is provided with a plurality of card slots in which a winding magnetic pole or a permanent magnet is arranged; Further, the inner edge of the lower rotor is connected and fixed with the lower part of the inner stator through a rotating shaft bearing, the outer edge of the lower rotor is provided with a card slot, and the card slot is provided with a permanent magnet or a winding magnetic pole; Further, the lower end cover is circular, the lower end cover edge is connected and fixed with the lower edge of the inner stator thread, and the inner edge of the lower end cover is coaxial with the lower rotor; Further, the winding magnetic pole is arranged along the circumference of the stator plate or rotor plate, and the direction of the winding magnetic pole is the radius direction of the stator plate or rotor plate, and the plurality of winding magnetic poles are electrically connected and connected to an external power supply.

[0005] Further, in order to promote the air flow inside the motor and avoid local overheating inside the motor, the heat generated by winding stimulation is dissipated, the inner stator is provided with a heat sink, and the heat sink is circular and arranged along the circumference of the outer plate; The inner stator plate is provided with a annular connecting slot and a longitudinal short slot for conducting the electric heat flow generated by the winding magnetic pole; At the same time, the inner plate of the upper rotor and the lower rotor are hollow-60 ° bevel treatment, which plays the role of a fan when rotating, which is conducive to heat dissipation.

[0006] Further, in order to improve the torque of the motor, the number of winding magnetic poles is thirty-six, the winding magnetic poles include an iron core and a copper coil winding on the iron core, and the surface of the motor coil is treated with a special waterproof coating.

[0007] Further, the two ports of the shaft sleeve are provided with steps, and the aperture in the middle of the shaft sleeve is less than the aperture at the port; A working bearing is provided at the step in the two ports of the shaft sleeve, and a spare bearing is also provided in the middle of the shaft sleeve. The spare bearing and the two working bearings are connected to the rotating shaft, and the two working bearings support the rotating shaft under normal conditions. When a working bearing is damaged, the spare bearing plays the role of supporting and fixing to maintain the normal rotation of the rotating shaft. The lower end of the rotating shaft is provided with a card slot, the card slot is provided with an elastic clip ring, and the elastic clip ring is glued with the shaft hole of the end cover. The rotating shaft of the motor is kept axially stable by elastic clasp and shaft shoulder.

[0008] Further, in order to reduce the self-weight of the motor, the upper surface of the turntable is provided with a concave structure; In addition to the permanent magnet, coil and iron core of the motor, all structures are made of carbon fiber materials, especially the bearings are also made of carbon fiber bearings, which greatly reduces the overall weight of the motor.

[0009] Further, the upper rotor and the lower rotor are an integral coaxial connection with the inner stator through the bearing, and the motor torque will be doubled when the single rotation is adopted; The overall combination of multiple motors, using the bidirectional magnetic pole to share a number of stator or rotor, reduce the weight of the structure, the use of a single rotor to design the rotor as a whole, you can also use double rotors to design the above multiple rotors as a whole and connect with the upper rotor, the following multiple rotors design as a whole and connect with the lower rotor.Advantageous Effects

[0010] The invention has simple structure and convenient realization;

[0011] The invention can reduce the weight of the structure by integrating the double rotary motor or multiple motors as a whole, and using the bidirectional magnetic pole to share one or more stators and rotors; At the same time, in addition to the permanent magnet and coil of the motor, all structures are made of carbon fiber materials, especially the large weight of the motor bearings are also made of carbon fiber bearings, which greatly reduces the overall weight of the motor and improves the endurance;

[0012] The number of winding magnetic poles of the invention is 36, which improves the torque of the motor. At the same time, a motor provides the torque force of two or more motors, but the energy consumption is the level of a motor, so it has the effect of saving energy and large torque;

[0013] The motor interior is completely covered by the upper end cover and the lower end cover, so that the internal structure of the motor is effectively protected and will not be polluted and destroyed by impurities during use; At the same time, the surface of the motor coil is treated with special waterproof coating, and a number of groups of cleaning ports are set for washing. When in use, the motor can be started to dry the water, and ordinary oil can be injected into it.

[0014] The invention promotes the internal heat of the motor to dissipate to the outside of the motor by setting a heat sink and other structures, and at the same time increases the self-cleaning and cooling functions of the motor by rotating the upper and lower rotor blades, ensuring the service life of the motor.Description of Drawings

[0015] In order to more clearly state the technical scheme of the embodiment of the invention, the drawings required to be used in the embodiment are briefly introduced below. Obviously, the drawings below only represent some embodiments of the invention, and therefore should not be regarded as a limitation on the scope. For ordinary technical personnel in the field, without creative labor, Other related drawings can also be obtained from these drawings.

[0016] Figure 1 is an overall schematic of the motor.

[0017] Figure 2 is a schematic of the explosive structure of the motor.

[0018] Figure 3 shows the structure of the motor when viewed from the top.

[0019] Figure 4 shows the structure of the motor when it is looked up. Best Mode

[0020] The technical scheme in the embodiments of the invention is described clearly and completely in combination with the drawings attached to the embodiments of the invention. Obviously, the embodiments described are only part of the embodiments of the invention, but not all embodiments. Based on the embodiments of the invention, all other embodiments obtained by ordinary technicians in the field without creative labor fall within the scope of protection of the invention.

[0021] It shall be noted that all directional indications in embodiments of the invention (such as up, down, left, right, front, and back......) It is only used to explain the relative position relationship and motion between the components in a specific attitude (as shown in the attached figure). If the specific attitude changes, the directional indication will also change accordingly.

[0022] In the present invention, unless otherwise expressly specified and limited, the terms "connection", "fixed", etc. shall be understood in a broad sense, for example, "fixed" may mean a fixed connection, a detachable connection, or a whole; Can be mechanical connection, can also be electrical connection; It can be directly connected, it can be indirectly connected through an intermediate medium, it can be a connection within two components or an interaction between two components, unless otherwise explicitly defined. For ordinary skilled persons in the art, the specific meaning of the above terms in the present invention can be understood according to the specific circumstances.

[0023] In addition, references to "first", "second", etc. in the present invention are used for descriptive purposes only and are not to be understood as indicating or implying their relative importance or as implicitly indicating the quantity of the technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In addition, the technical side between the various embodiments can be combined with each other, but only on the basis of being able to be realized by ordinary technicians in the field, and when the combination of technical schemes is contradictory or cannot be realized, it shall be considered that such combination of technical schemes does not exist and is not within the scope of protection required by the invention.Industrial Applicability

[0024] As shown in FIG. 1-Fig. 4, discloses a single and double rotary motor for lightweight, energy-saving, high-torque unmanned and manned aircraft, comprising an upper end cover 1, an upper rotor 2, an inner stator 3, a lower rotor 4, and a lower end cover 5.

[0025] Specifically, preferably, the upper end cover 1 is circular, the edge of the upper end cover 1 is threaded and fixed with the upper edge of the inner stator 3, and the inner edge of the upper end cover 1 is coaxial with the upper rotor 2.

[0026] Further optimally, the inner edge of the upper rotor 2 is connected and fixed with the upper part of the inner stator 3 through a rotating shaft bearing, and the outer edge of the upper rotor 2 is provided with a card slot and a permanent magnet 6 is provided in the card slot.

[0027] Further preferably, the inner stator 3 is provided with a plurality of card slots, the card slot is provided with a winding magnetic pole 7, the winding magnetic pole 7 is arranged along the circumference of the stator plate 3, and the magnetic pole direction of the winding magnetic pole 7 is the radius direction of the stator plate 3, and the plurality of winding magnetic poles 7 are electrically connected and connected to an external power supply.

[0028] Further optimally, the inner edge of the lower rotor 4 is connected and fixed with the lower part of the inner stator 3 through a rotating shaft bearing, and the outer edge of the lower rotor 4 is provided with a card slot and a permanent magnet 8 is provided in the card slot.

[0029] Further preferably, the lower end cover 5 is circular, the edge of the lower end cover 5 is connected and fixed with the lower edge of the inner stator 3, and the inner edge of the lower end cover 5 is coaxial with the lower rotor 4.

[0030] Further optimally, in order to promote the air flow inside the motor and avoid local overheating inside the motor, the heat generated by the stimulation of the winding magnetic pole 7 is dissipated, and the inner stator 3 is provided with a heat dissipation slot, which is circular and arranged along the circumference of the outer plate.

[0031] Further optimally, the inner stator 3 plate is provided with a annular connecting slot and a longitudinal short slot for conducting the electric heat flow generated by the winding magnetic pole 7; At the same time, the inner plate of the upper rotor 2 and the lower rotor 4 are hollow-60 ° oblique treatment, which plays the role of a fan when rotating, which is conducive to heat dissipation.

[0032] Further preferably, in order to improve the torque of the motor, the number of the winding magnetic pole 7 is thirty-six, the winding magnetic pole 7 comprises an iron core and a copper coil wound on the iron core, and the surface of the motor coil is treated with a special waterproof coating.

[0033] Further preferably, the two ports of the shaft sleeve are provided with steps, and the aperture in the middle of the shaft sleeve is less than the aperture at the port; A working bearing is provided at the step in the two ports of the shaft sleeve, and a spare bearing is also provided in the middle of the shaft sleeve. The spare bearing and the two working bearings are connected to the rotating shaft, and the two working bearings support the rotating shaft under normal conditions. When a working bearing is damaged, the spare bearing plays the role of supporting and fixing to maintain the normal rotation of the rotating shaft. The lower end of the rotating shaft is provided with a card slot, the card slot is provided with an elastic clip ring, and the elastic clip ring is glued with the shaft hole of the end cover. The rotating shaft of the motor is kept axially stable by elastic clasp and shaft shoulder.

[0034] Further optimally, in order to reduce the self-weight of the motor, the upper surface of the turntable 2 and 4 is provided with a concave structure; In addition to the motor's permanent magnets 6, 8, coils and iron core 7, all structures are made of carbon fiber materials, especially the bearings are also made of carbon fiber bearings, which greatly reduces the overall weight of the motor.

[0035] Further, the upper rotor 2 and the lower rotor 4 are an integral coaxial connection with the inner stator 3 through the bearing, and the motor torque will be doubled when the single rotation is adopted; The overall combination of multiple motors, using the bidirectional magnetic pole to share multiple stator 3 or rotor 4, reduce the weight of the structure, the use of a single rotor need to design the rotor into a whole, you can also use double rotors to design the above multiple rotors into a whole connected with the upper rotor, the following multiple rotors designed into another whole connected with the lower rotor.

[0036] The above is only the preferred industrial applicability of the invention, and does not therefore limit the scope of the patent of the invention. Under the premise of not deviating from the spirit and scope of the invention, the invention is subject to various changes and improvements. Under the invention idea, the equivalent structure transformation made by the specification of the invention and the content of the drawings is used. Or directly / indirectly used in other related technical fields are included in the scope of patent protection of the invention.

Claims

1. a single and double rotary motor for lightweight, energy-saving, high-torque unmanned and manned aircraft, which is characterized in that it comprises an upper end cover (1), an upper rotor (2), an inner stator (3), a lower rotor (4) and a lower end cover (5). The upper end cover (1) is circular, the upper end cover (1) edge is connected and fixed with the upper edge of the inner stator (3), and the upper end cover (1) inner edge is coaxial with the upper rotor (2); The inner edge of the upper rotor (2) is connected and fixed with the upper part of the inner stator (3) through a rotating shaft bearing, and the outer edge is provided with a card slot, and the card slot is provided with a permanent magnet (6) or a winding magnetic pole; The inner stator (3) is provided with a plurality of slots, and the slots are provided with a winding magnetic pole (7) or a permanent magnet; The inner edge of the lower rotor (4) is connected and fixed with the lower part of the inner stator (3) through a rotating shaft bearing, and the outer edge is provided with a card slot, and the card slot is provided with a permanent magnet (8) or a winding magnetic pole; The lower end cover (5) is circular, and the edge of the lower end cover (5) is connected with the lower edge of the inner stator (3), and the inner edge of the lower end cover (5) is coaxial with the lower rotor (4); The winding magnetic pole (7) is arranged along the circumference of the stator plate (3) or the rotor plate, and the magnetic pole direction of the winding magnetic pole (7) is the radius direction of the stator plate (3) or the rotor plate, and the plurality of winding magnetic poles (7) are electrically connected and connected to an external power supply.

2. According to the claim 1, a single and double rotary motor for lightweight, energy-saving, high-torque unmanned and manned aircraft, is characterized in that the inner stator (3) plate is provided with a ring connecting slot and a longitudinal short slot, which is used to transmit the electric heat generated by the winding magnetic pole (7); At the same time, the inner plate of the upper rotor (2) and the lower rotor (4) is hollow-out at a 60° oblique Angle, and plays the role of a fan when rotating, which is conducive to heat dissipation.

3. According to the claim 1, a single and double rotary motor for lightweight, energy-saving, high-torque unmanned and manned aircraft, is characterized by: in order to reduce the weight of the motor, the upper surface of the turntable (2), (4) is provided with a concave structure; In addition to the permanent magnet (6) (8), coil and iron core (7) of the motor, all structures are made of carbon fiber materials, especially the bearings are also made of carbon fiber bearings, which greatly reduces the overall weight of the motor.

4. According to the claim 1, a single and double rotary motor for lightweight, energy-saving, high-torque unmanned and manned aircraft, which is characterized by: the upper rotor (2) and the lower rotor (4) is a whole coaxial bearing through the inner stator (3) connection, and the use of single rotary wing, the motor torque will be doubled; A number of motors are integrated, using the bidirectional magnetic pole to share a number of stators (3) or rotors (4), reducing the weight of the structure; When using a single rotor, the rotor should be designed as a whole; It is also possible to use dual rotors to design the upper multiple rotors as a whole connected with the upper rotor, and the lower multiple rotors as a whole connected with the lower rotor.

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