阅读说明：本技术 一种同轴磁悬旋翼型涵道桨扇 (Coaxial magnetic suspension rotary wing type ducted propeller fan ) 是由 刘国 刘子嘉 于 2020-11-23 设计创作，主要内容包括：本发明涉及飞行器动力,更具体的说是一种同轴磁悬旋翼型涵道桨扇。由筒环涵道、环形电机、旋翼桨叶组件、中心柱轴、磁悬浮体组件和支撑连接架组成的一种同轴磁悬旋翼型涵道桨扇气动动力系统,本发明的同轴磁悬旋翼型涵道桨扇具有空间分布合理、结构简明、紧凑、低噪音、震动小、升降比高和拉力大的特点,能够广泛适用于各种载人、无人飞行器。(The invention relates to aircraft power, in particular to a coaxial magnetic suspension rotor type ducted propeller fan. The coaxial magnetic suspension rotor wing type culvert propeller fan has the characteristics of reasonable space distribution, simple and compact structure, low noise, small vibration, high lifting ratio and large tension force, and can be widely applied to various manned and unmanned aircrafts.)

1. The utility model provides a coaxial magnetic suspension rotary wing type duct oar fan which characterized in that: comprises a cylindrical ring duct frame (3), an annular motor, a supporting connecting frame, a central column shaft (15), a magnetic suspension body assembly and a rotor blade assembly, wherein an embedded duct body bracket (7) is arranged in the cylindrical ring duct frame (3), the annular motor comprises a motor stator (2), a movable ring bracket (10) and a motor rotor (5), the motor stator (2) is arranged in the duct body bracket (7), the movable ring bracket (10) is rotatably connected with the motor rotor (5) and the motor stator (2), the outer end of the supporting connecting frame is fixedly connected with the inner end of the cylindrical ring duct frame (3), the inner end of the supporting connecting frame is connected with a flange supporting disc (18), the magnetic suspension body assembly is arranged on the central column shaft (15), the flange supporting disc (18) is fixedly connected on the central column shaft (15), the outer end of the rotor blade assembly is connected with the motor rotor (5), and the inner end of the rotor blade assembly is fixedly connected with the magnetic suspension body assembly, the cylindrical ring duct frame (3), the duct body support (7), the central column shaft (15), the magnetic suspension body assembly and the rotor blade assembly are coaxially arranged.

2. The coaxial magnetic levitation airfoil ducted propeller fan as claimed in claim 1, wherein: the magnetic suspension body assembly comprises a central shaft stator (17), a stator suspension body (8), a rotor suspension body (19), suspension trays (13) and a central shaft rotating ring (14), the central shaft stator (17) is installed on a central column shaft (15), the stator suspension body (8) is connected to the outer ring of the central shaft stator (17), the rotor suspension body (19) is stably magnetically suspended under the action of electromagnetic force of the stator suspension body (8), the central shaft rotating ring (14) is connected with the outer ring of the rotor suspension body (19), the two suspension trays (13) are arranged in mirror symmetry, the two suspension trays (13) are fixedly connected to the central column shaft (15), the upper end and the lower end of the central shaft rotating ring (14) are similarly under the action of the electromagnetic force and stably suspended between the two suspension trays (13), physical isolation is formed, and the inner end of the rotor blade assembly is fixedly connected with the outer end of the central shaft rotating ring (14).

3. The coaxial gyromagnetic ducted propeller fan in accordance with claim 2, wherein: the rotor blade assembly comprises an isolator (11), an outer fixed ring (4) of the propeller blade, a propeller dry column (9), the propeller blade (12) and a propeller support (16), the propeller blade (12) is fixedly connected outside the propeller dry column (9), the propeller support (16) is connected with the propeller dry column (9) and the propeller blade (12), and the propeller dry column (9) is hinged with the isolator (11) and the outer fixed ring (4) of the propeller blade.

4. The coaxial magnetically suspended airfoil ducted propeller fan of claim 3, wherein: the supporting and connecting frame comprises a supporting frame (1), a supporting bracket (6), a flange supporting disc (18) and a supporting ring (20), the outer end of the supporting frame (1) is fixedly connected to the supporting ring (20), the inner end of the supporting frame is fixedly connected to the flange supporting disc (18), the outer end of the supporting bracket (6) is fixedly connected to the supporting ring (20), and the inner end of the supporting frame is fixedly connected to the flange supporting disc (18).

5. The coaxial magnetically suspended airfoil ducted propeller fan of claim 4, wherein: the coaxial magnetic suspension rotor wing type ducted propeller fan further comprises flow deflectors, wherein the flow deflectors are used for adjusting the flight direction of an aircraft, and four flow deflectors are arranged below the cylindrical ring ducted frame (3).

6. The coaxial gyromagnetic ducted propeller fan in accordance with claim 5, wherein: the four guide vanes are controlled by a rudder motor.

7. The coaxial magnetic levitation airfoil ducted propeller fan as claimed in claim 1, wherein: the annular motor, the magnetic suspension body assembly and the rotor blade assembly form a group of driving mechanisms, and each group of driving mechanisms can be formed by combining different blade numbers.

8. The coaxial gyromagnetic ducted propeller fan in accordance with claim 7, wherein: the driving mechanism is provided with a plurality of groups.

9. The coaxial magnetic levitation airfoil ducted propeller fan as claimed in any one of claims 1 to 8, wherein: the magnetic suspension body assembly and the central column shaft are both axially extending structures, and the magnetic suspension body assembly, the central column shaft and the rotary support frame are all radial slender structures.

Technical Field

The invention relates to aircraft power, in particular to a coaxial magnetic suspension rotor type ducted propeller fan.

Background

The prior ducted propeller fan has been developed and applied as an active power system of an aircraft for decades, has the characteristics of relatively compact structure, lower aerodynamic noise, stronger tension and good use safety, has incomparable advantageous application performance compared with the traditional unmanned aircraft, is attracted attention and becomes a hotspot in the research field of the aircraft at present, but simultaneously has various problems of perfection, breakthrough and the like in various aspects such as the effective space distribution structure problem of the prior ducted propeller fan, the turbulence problem of the ducted propeller fan and the propeller fan, the deformation and displacement problem of the propeller fan and the like. Therefore, there is a huge innovative space for systematic study thereof.

Disclosure of Invention

The invention aims to provide a coaxial magnetic suspension rotary wing type ducted propeller fan which is widely applicable to various manned and unmanned aircrafts.

The further optimized coaxial magnetic suspension rotary wing type ducted propeller fan comprises a cylindrical ring ducted frame, an annular motor, a support connecting frame, a central column shaft, a magnetic suspension body assembly and a rotor blade assembly, an embedded duct body bracket is arranged in the cylindrical duct frame, the annular motor comprises a motor stator, a movable ring bracket and a motor rotor, the motor stator is arranged in the duct body bracket, the movable ring bracket is rotationally connected with the motor rotor and the motor stator, the outer end of the supporting connecting frame is fixedly connected with the inner end of the cylindrical duct frame, the inner end of the supporting connecting frame is connected with a flange supporting disc, the magnetic suspension body assembly is arranged on a central column shaft, the flange supporting disc is fixedly connected on the central column shaft, the outer end of the rotor blade assembly is connected with the motor rotor, the inner end of the rotor blade assembly is fixedly connected with the magnetic suspension body assembly, the cylindrical ring duct frame, the central column shaft of the duct body frame, the magnetic suspension body assembly and the rotor blade assembly are coaxially arranged.

Further optimize coaxial magnetic suspension rotor type duct oar fan, magnetic suspension body subassembly includes center pin stator, stator suspension body, rotor suspension body, hangs tray and center pin change ring, the center pin stator is installed on the central column axle, stator suspension body connects the outer lane at the center pin stator, rotor suspension body stabilizes the magnetic suspension under the electromagnetic force effect of stator suspension body, the center pin change ring is connected with the outer lane of rotor suspension body, it is equipped with two to hang tray mirror symmetry, two hang the equal rigid coupling of tray on the central column axle, the upper and lower both ends of center pin change ring are under the electromagnetic force effect with the same reason, stabilize the suspension between two and hang the tray, form physical isolation, rotor blade subassembly inner and the outer end rigid coupling of center pin change ring.

Further optimize coaxial magnetic suspension rotor type duct oar fan, rotor blade subassembly include isolator, propeller blade outer stationary ring, the dry post of screw propeller, propeller blade and propeller support, and the propeller blade rigid coupling is in the dry post of screw propeller outside, and propeller support and rigid coupling are connected at the dry post of screw propeller and propeller blade, and the dry post of screw propeller is articulated with isolator and propeller blade outer stationary ring.

The coaxial magnetic suspension rotor wing type ducted propeller fan further optimized is characterized in that the support connecting frame comprises a support frame, a support bracket, a flange supporting disc and a support supporting ring, the outer end of the support frame is fixedly connected to the support supporting ring, the inner end of the support frame is fixedly connected to the flange supporting disc, the outer end of the support bracket is fixedly connected to the support supporting ring, and the inner end of the support bracket is fixedly connected to the flange supporting disc.

The coaxial magnetic suspension rotor type culvert propeller fan further comprises a flow deflector, wherein the flow deflector is used for adjusting the flight direction of an aircraft, and four flow deflectors are arranged below the cylindrical ring culvert frame.

The coaxial magnetic suspension rotor wing type ducted propeller fan is further optimized, and the four guide vanes are controlled by a rudder motor.

The coaxial magnetic suspension rotor wing type ducted propeller fan is further optimized, the annular motor, the magnetic suspension body assembly and the rotor wing blade assembly form a group of driving mechanisms, and each group of driving mechanisms can be formed by combining different blade numbers.

The coaxial magnetic suspension rotor wing type ducted propeller fan is further optimized, and the driving mechanism is provided with a plurality of groups.

The coaxial magnetic suspension rotor wing type ducted propeller fan is further optimized, the magnetic suspension body assembly and the central column shaft are of axial extension structures, and the magnetic suspension body assembly, the central column shaft and the rotating support frame are of radial slender structures.

The coaxial magnetic suspension rotary wing type ducted propeller fan has the beneficial effects that:

1. the invention ensures that the structural design of the invention reasonably reduces the frequency resonance conduction, the vibration, the stress deformation, the low pneumatic noise, the friction resistance and other problems, inhibits the turbulence, also reduces the bending, the distortion and the deformation problems caused by the rotation of the propeller blade body, has certain physical isolation function, enhances the pulling force and the pushing force and the strong, stable and safe performance, and can realize the application of using special-shaped propeller blades and realizing the function of propeller blade pitch variation according to the aerodynamic characteristics.

2. The annular motor is embedded into the cylindrical ring duct frame, the magnetic suspension body assembly and the central column shaft are axially extended structures and radially elongated design structures of the rotary support frame. And the characteristics of compact structure and integral stability and safety of improving the utilization rate of the flow field space are realized, the torque is increased under the same condition, and the tensile force and the thrust force and the strong and stable high-quality pneumatic characteristic are enhanced.

3. The invention is especially suitable for various manned and unmanned aerial vehicles. It is also suitable for various manned and unmanned ground mobile traffic facilities or air-ground dual-purpose facilities such as flying cars and air-water dual-purpose facilities such as ground effect aircrafts.

Drawings

Fig. 1 is a schematic view of a single blade disc section of a coaxial magnetic suspension rotary wing type ducted blade fan:

fig. 2 is a schematic top view of a coaxial magnetic suspension rotary wing type ducted propeller fan single-propeller disc four-blade:

fig. 3 is a schematic sectional view of a magnetic suspension body of a coaxial magnetic suspension airfoil-shaped ducted propeller fan:

fig. 4 is a schematic view of a section of a coaxial magnetic suspension rotary wing type ducted propeller fan motor:

fig. 5 is a schematic view of a coaxial magnetic suspension rotary wing type ducted propeller fan double-propeller disc tangent plane.

In the figure: a support frame 1; a motor stator 2; a cylindrical ring culvert frame 3; an outer fixed ring 4 of the propeller blade; a motor rotor 5; a support bracket 6; a stent 7 of the culvert body; a stator suspension 8; a propeller dry column 9; a moving ring support 10; an isolator 11; a propeller blade 12; a hanging tray 13; a central shaft swivel 14; a center column shaft 15; a propeller support 16; a center shaft stator 17; a flange tray 18; a rotor suspension 19; a cradle support ring 20.

Detailed Description

The first embodiment is as follows:

referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, a coaxial magnetic suspension rotary wing type ducted propeller fan comprises a cylindrical ring ducted frame 3, an annular motor, a support connecting frame, a central column shaft 15, a magnetic suspension body assembly and a rotor blade assembly, wherein an embedded ducted body support 7 is arranged in the cylindrical ring ducted frame 3, the annular motor comprises a motor stator 2, a movable ring support 10 and a motor rotor 5, the motor stator 2 is arranged in the ducted body support 7, the movable ring support 10 is rotatably connected with the motor rotor 5 and the motor stator 2, the outer end of the support connecting frame is fixedly connected with the inner end of the cylindrical ring ducted frame 3, the inner end of the support connecting frame is connected with a flange support 18, the magnetic suspension body assembly is arranged on the central column shaft 15, the flange support 18 is fixedly connected on the central column shaft 15, the outer end of the rotor blade assembly is connected with the motor rotor 5, and the inner end of the rotor blade assembly is, the cylinder ring duct frame 3, duct body support 7 central column axle 15, magnetic suspension body subassembly and rotor blade subassembly coaxial line set up, the electric motor rotor 5 of annular motor, magnetic suspension body subassembly and rotor blade subassembly rotate with central column axle 15 is coaxial with the equidirectional, its moment of torsion is big, powerful safety and stability, the pulling force is big, compact structure and aerodynamic noise are low, it suppresses the torrent to have, reduce the windage, reduce propeller blade deformation, realize easily that the variable pitch function is used, can realize the special-shaped paddle that accords with the special shape of aerodynamic characteristic on with the paddle, the aerodynamic performance who has more powerful pulling force thrust under high-speed rotation.

The second embodiment is as follows:

with reference to fig. 1, 2 and 3, the coaxial magnetic suspension rotor type ducted propeller fan includes a central shaft stator 17, a stator suspension 8, a rotor suspension 19, two suspension trays 13 and a central shaft swivel 14, the central shaft stator 17 is installed on a central column shaft 15, the stator suspension 8 is connected to an outer ring of the central shaft stator 17, the rotor suspension 19 is stabilized and magnetically suspended under the electromagnetic force of the stator suspension 8, the central shaft swivel 14 is connected to an outer ring of the rotor suspension 19, the two suspension trays 13 are arranged in mirror symmetry, the two suspension trays 13 are both fixedly connected to the central column shaft 15, the upper and lower ends of the central shaft swivel 14 are similarly stabilized and suspended between the two suspension trays 13 under the electromagnetic force to form physical isolation, the inner end of the rotor blade assembly is fixedly connected to the outer end of the central shaft swivel 14, the magnetic suspension assembly can be replaced by a high-speed cylindrical bearing, if contactless physical separation cannot be formed with the high speed cartridge bearing.

The third concrete implementation mode:

with reference to fig. 1 and 2, the coaxial magnetic suspension rotor type ducted propeller fan comprises a rotor blade assembly including an isolator 11, a propeller blade outer fixed ring 4, a propeller dry column 9, a propeller blade 12 and a propeller support 16, wherein the propeller blade 12 is fixedly connected outside the propeller dry column 9, the propeller support 16 is fixedly connected with the propeller dry column 9 and the propeller blade 12, and the propeller dry column 9 is hinged with the isolator 11 and the propeller blade outer fixed ring 4.

The fourth concrete implementation mode:

with reference to fig. 1 and 2, the coaxial magnetic suspension rotor type ducted propeller fan includes a support frame 1, a support bracket 6, a flange support ring 18 and a support ring 20, wherein the outer end of the support frame 1 is fixedly connected to the support ring 20, the inner end is fixedly connected to the flange support ring 18, the support bracket 6 is fixedly connected to the support ring 20, and the inner end is fixedly connected to the flange support ring 18.

The fifth concrete implementation mode:

referring to fig. 5, the coaxial magnetic suspension rotor type ducted propeller fan further includes a flow deflector for adjusting the flight direction of the aircraft, and four flow deflectors are disposed below the torus ducted frame 3.

The sixth specific implementation mode:

with reference to fig. 5, the coaxial magnetic suspension rotor type ducted propeller fan has the basic function of an aircraft, in which four of the guide vanes are controlled by a rudder motor.

The seventh embodiment:

with reference to fig. 2 and 5, in the coaxial magnetic suspension rotor type ducted propeller fan, the annular motor, the magnetic suspension body assembly and the rotor blade assembly form a group of driving mechanisms, each group of driving mechanisms can be formed by combining different blade numbers, and the selective matching performance is strong.

The specific implementation mode is eight:

with reference to fig. 2 and 5, the coaxial magnetic suspension rotor type ducted propeller fan has multiple groups of driving mechanisms, so that the driving mechanisms are stronger, more stable and more capable of increasing the pulling force and the pushing force.

The specific implementation method nine:

with reference to fig. 1, 2, 3 and 4, in the coaxial magnetic suspension rotor type ducted propeller fan, the magnetic suspension body assembly and the central column shaft are both in an axially extending structure, the magnetic suspension body assembly, the central column shaft and the rotating support frame are all in a radial slender structure, and the annular motor is embedded in the cylindrical ring ducted frame 3, so that the effective flow field space in the cylindrical ring ducted body is increased, and the slip flow channel is fully utilized.

It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.