Powerful turbofan and propelling mechanism

Abstract

The utility model discloses a powerful turbofan and a propulsion mechanism, and relates to the technical field of power propulsion, the powerful turbofan comprises a rotor part and a stator part which can rotate relatively, the stator part is sleeved outside the rotor part, and the rotor part comprises an inner ring and a plurality of permanent magnet rotors arranged around the inner ring. The stator component comprises a plurality of coil stators arranged on the periphery of the permanent magnet rotor, fan blades are connected to the inner wall of the inner ring, and the stator component is connected with the rotor component through a bearing. The motor has the beneficial effects that a central motor is changed into the peripheral motor, centrifugal force of the motor for driving the fan blades is completely eliminated, centripetal force is generated, all the fan blades and the rotor part are integrally arranged, the technical problem that the fan blades shake due to the centrifugal force when the motor rotates at a high speed in the prior art is solved, the energy efficiency is remarkably improved, and noise is reduced; the flow speed of fluid is increased through the airflow gathering part, the fluid area is increased through the airflow diffusion part, and therefore the fluid propelling efficiency of the fan blades is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to power propulsion technical field, especially a strong power turbofan and propulsion mechanism. BACKGROUND

[0002] The turbofan is a kind of high-efficiency propulsion system combining electric drive technology and aerodynamics, and the brushless motor driven turbofan can accurately adjust the rotating speed through electronic controller, directly drives the rotation of lightweight fan blade, inhales air and discharges at high speed to generate thrust.Compared with traditional fuel turbofan, its structure is more simplified, without complex compressor, combustion chamber and turbine components, only relies on electric energy driving, realizes zero emission, low noise and high response speed.This technology significantly reduces mechanical wear and maintenance requirements, while having high energy efficiency and wide speed regulation range advantages, suitable for unmanned aerial vehicle, small aircraft and electric vertical take-off and landing equipment.With the progress of battery and motor technology, brushless motor turbofan is promoting the development of green aviation, and showing the potential of environmental protection, silence and flexible deployment in short-distance transportation, urban air traffic and other fields.

[0003] In the prior art, the turbofan relies on the central motor to drive operation, and the fan blades are dispersed from the central motor to the periphery, and the central motor drives the fan blades while generating centrifugal force to cause the fan blades at the periphery to shake and vibrate.The faster the speed of motor driving, and the larger the diameter of fan blade, the more serious the shaking and vibration of fan blade at the periphery, so that in actual working condition, there is a bottleneck in making large-diameter fan blades while increasing the rotating speed of turbofan. SUMMARY

[0004] The purpose of this part is to provide a kind of strong power turbofan and propulsion mechanism, can improve the rotating speed of turbofan while making large-diameter fan blades.

[0005] To solve the above technical problems, the utility model provides the following technical scheme: a kind of strong power turbofan, including rotator component and stator component capable of relative rotation, the stator component is set in rotator component outer, the rotator component includes inner ring and a plurality of permanent magnet rotors arranged in the inner ring one week, the stator component includes a plurality of coil stators arranged in the permanent magnet rotor one week, the inner ring inner wall is connected with fan blade, the stator component is connected with rotator component by bearing.

[0006] As a preferred scheme of the strong power turbofan of the utility model, wherein: the outer wall of the inner ring is provided with a ring groove, and the permanent magnet rotor is located in the ring groove.

[0007] As a preferred scheme of the strong power turbofan of the utility model, wherein: the inner ring is provided with a stepped notch on both sides for mounting the bearing, and the outer side of the bearing is flush with the outer side of the inner ring.

[0008] As a preferred scheme of the strong power turbofan of the utility model, wherein: the fan blade and the inner ring are an integral structure.

[0009] As the preferred scheme of the utility model discloses a pushing mechanism, wherein: including the fan sleeve, and the connecting piece for connecting the fan.

[0010] As the preferred scheme of the utility model discloses a pushing mechanism, wherein: the fan sleeve includes the installation part for installing the fan, and the enhancement part for changing the gas flow rate, the enhancement part includes the airflow gathering part of integral forming, intermediate airflow hole and airflow diffusion part, and the depth of the airflow gathering part is less than the depth of airflow diffusion part.

[0011] As the preferred scheme of the utility model discloses a pushing mechanism, wherein: the cavity is formed between the inner wall of the fan sleeve and the enhancement part.

[0012] As the preferred scheme of the utility model discloses a pushing mechanism, wherein: one of the fan side is equipped with the fan cover, and the bolt is equipped on the fan cover, and the bolt passes through the fan cover and coil stator and is fixedly connected with the installation part.

[0013] The utility model discloses the beneficial effects of:

[0014] 1. by changing the center motor to the peripheral motor, the centrifugal force of motor drive fan blade is completely eliminated, produces centripetal force, and all fan blades are integrally arranged with rotor parts, overcome the technical problem of fan blade tremor of the prior art when motor high-speed rotation due to centrifugal force, significantly improve energy efficiency, reduce noise.

[0015] 2. multiple fan blades cooperate with fan sleeve combination uses, fluid passes through airflow gathering part and promotes flow rate, then passes through airflow diffusion part and promotes fluid area, to improve the propulsion efficiency of fan blade to fluid, and reduce the centrifugal tremor of fan blade periphery, improve driving efficiency and reduce the noise of high-speed drive. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be briefly introduced to the drawing needed to be used in the embodiment description, the drawing in the following description is only some embodiments of the utility model, for the ordinary skilled person in the art, on the premise of not paying the creativity, labor, can also obtain other drawings according to these drawings. Wherein:

[0017] Figure 1 It is the overall structure schematic diagram of the utility model fan;

[0018] Figure 2 It is the exploded schematic diagram of the utility model fan;

[0019] Figure 3 It is the cross section enlarged schematic diagram of the utility model fan;

[0020] Figure 4 It is the whole structure schematic view of the utility model push structure;

[0021] Figure 5 It is the cross section schematic view of the utility model push structure;

[0022] Figure 6 It is the schematic view of the utility model connecting piece and fan cover.

[0023] Reference signs: 101, inner ring;102, ring groove;103, permanent magnet rotor;2, coil stator;3, fan blade;4, bearing;5, turbofan sleeve;501, mounting portion;502, airflow gathering portion;503, intermediate airflow hole;504, airflow diffusion portion;505, cavity;6, connecting piece;7, fan cover. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned purpose, features and advantages of the utility model more apparent and easy to understand, the specific embodiments of the utility model are described in detail below with reference to the drawings of the specification.

[0025] In the following description, a lot of specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from the description, and the "embodiments" referred to herein refer to specific features, structures or characteristics that can be included in at least one implementation of the utility model.

[0026] Embodiment one

[0027] With reference to Figure 1 - Figure 3 The embodiment provides a strong turbofan, specifically comprising a rotor component and a stator component capable of relative rotation, the stator component is sleeved outside the rotor component, the rotor component comprises an inner ring 101 and a plurality of permanent magnet rotors 103 arranged around the inner ring 101, the stator component comprises a plurality of coil stators 2 arranged around the permanent magnet rotors 103, the inner ring 101 is connected with a fan blade 3 on the inner wall, and the stator component and the rotor component are connected through a bearing 4. The outer wall of the inner ring 101 is provided with a ring groove 102, and the permanent magnet rotors 103 are located in the ring groove 102. The inner ring 101 is provided with a stepped notch for mounting the bearing 4 on both sides, and the outer side of the bearing 4 is flush with the outer side of the inner ring 101. The fan blade 3 and the inner ring 101 are an integral structure.

[0028] The permanent magnet rotors 103 are arc-shaped and tightly fit with the ring groove 102. The plurality of coil stators 2 are connected with each other, the direction and size of current are changed through a controller, the bearing 4 has two and is symmetrically arranged on the two sides of the inner ring 101.

[0029] Embodiment two

[0030] With reference toFigure 4 Figure 6 The embodiment provides a propelling mechanism using at least two coaxially arranged strong turbofans, specifically including a turbofan sleeve 5 and a connecting piece 6 for connecting the turbofans. The turbofan sleeve 5 includes a mounting part 501 for mounting the turbofans and a reinforcing part for changing the gas flow rate, the reinforcing part including an integrally formed gas flow gathering part 502, an intermediate gas flow hole 503 and a gas flow diffusing part 504, the depth of the gas flow gathering part 502 being smaller than the depth of the gas flow diffusing part 504. A cavity 505 is formed between the inner wall of the turbofan sleeve 5 and the reinforcing part. A fan cover 7 is mounted on one side of one of the turbofans, the fan cover 7 being provided with bolts, the bolts being fixedly connected with the mounting part 501 through the fan cover 7 and a coil stator 2.

[0031] The connecting piece 6 is located between the two turbofans, the fan cover 7 is mounted on the side of the turbofan farthest from the turbofan sleeve 5, the fan cover 7, the connecting piece 6, the mounting part 501 and the coil stator 2 are all provided with a plurality of connecting holes of the same size and corresponding positions, and the bolts are sequentially fixedly connected with the components through the connecting holes.

[0032] The mounting part 501 is annular in shape, the diameter of the mounting part 501 is greater than the maximum diameter of the gas flow gathering part 502, and the connecting holes are arranged at positions close to the outer edge of the annular mounting part 501 and used for passing through the bolts. The intermediate gas flow hole 503 is cylindrical, the gas flow gathering part 502 and the gas flow diffusing part 504 are circular truncated cone cylinders, the cross section of the gas flow gathering part 502 gradually decreases along the direction of the gas flow, and the cross section of the gas flow diffusing part 504 gradually increases along the direction of the gas flow.

[0033] In use, the two bearings 4 are mounted at the stepped notches on both sides of the inner ring 101, the coil stator 2 is arranged outside the permanent magnet rotor 103, the fan cover 7, the connecting piece 6, the mounting part 501 and the turbofans on both sides of the connecting piece 6 are sequentially connected through the bolts, the bolts are tightened for fixation, and the installation of the overall propelling mechanism is completed.

[0034] It is important to note that while only a few embodiments have been described in detail in this disclosure, those skilled in the art, given the benefit of this disclosure, should readily appreciate that many modifications are possible, such as variations in sizes, structures, shapes, proportions of the various elements, the temperature and pressure conditions, the mounting arrangements, the use of materials, colors, orientations, etc.; for example, the elements shown as integrally formed can be constructed of a number of parts or elements, the position of elements can be reversed or otherwise varied, and the like; thus, all such modifications are intended to be included within the scope of the present application. Other substitutions, modifications, changes and omissions can be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the spirit of the present application.​

Claims

1. A powerful turbofan, characterized in that, It includes a rotor component and a stator component that can rotate relative to each other. The stator component is sleeved outside the rotor component. The rotor component includes an inner ring (101) and a plurality of permanent magnet rotors (103) arranged around the inner ring (101). The stator component includes a plurality of coil stators (2) arranged around the permanent magnet rotors (103). The inner wall of the inner ring (101) is connected to a fan blade (3). The stator component and the rotor component are connected by a bearing (4).

2. The powerful turbofan as described in claim 1, characterized in that, The outer wall of the inner ring (101) is provided with an annular groove (102), and the permanent magnet rotor (103) is located in the annular groove (102).

3. The powerful turbofan as described in claim 1, characterized in that, Both sides of the inner ring (101) are provided with stepped notches for installing bearings (4), and the outer side of the bearings (4) is flush with the outer side of the inner ring (101).

4. The powerful turbofan as described in claim 1, characterized in that, The fan blade (3) and the inner ring (101) are an integral structure.

5. A propulsion mechanism using at least two coaxially arranged high-powered turbofans as described in claim 1, characterized in that, It includes a turbofan sleeve (5) and a connector (6) for connecting the turbofan.

6. The propulsion mechanism as described in claim 5, characterized in that, The turbofan sleeve (5) includes a mounting part (501) for mounting the turbofan and a reinforcing part for changing the gas flow rate. The reinforcing part includes an integrally formed airflow gathering part (502), an intermediate airflow hole (503), and an airflow diffusion part (504). The depth of the airflow gathering part (502) is less than the depth of the airflow diffusion part (504).

7. The propulsion mechanism as described in claim 6, characterized in that, A cavity (505) is formed between the inner wall of the turbine sleeve (5) and the reinforcing part.

8. The propulsion mechanism as described in claim 6, characterized in that, One of the turbofans is fitted with a fan cover (7) on its side. The fan cover (7) is provided with bolts that pass through the fan cover (7) and the coil stator (2) and are fixedly connected to the mounting part (501).

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