CN217462619U - Electric ducted fan propeller of aircraft - Google Patents
Electric ducted fan propeller of aircraft Download PDFInfo
- Publication number
- CN217462619U CN217462619U CN202221311546.5U CN202221311546U CN217462619U CN 217462619 U CN217462619 U CN 217462619U CN 202221311546 U CN202221311546 U CN 202221311546U CN 217462619 U CN217462619 U CN 217462619U
- Authority
- CN
- China
- Prior art keywords
- motor
- duct
- aircraft
- fixedly connected
- ducted fan
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model provides an electronic duct fan propeller of aircraft, includes a duct section of thick bamboo, and fixed mounting has the motor in a duct section of thick bamboo, and the paddle of duct fan is connected on the output shaft of motor, and the front end of paddle has the radome fairing inner wall on fixedly connected with multi-disc centrifugal fan blade, the radome fairing front end has the air intake, the air-out flow direction of multi-disc centrifugal fan blade is in the motor. The electric ducted propeller of the aircraft can obviously increase the flow of the heat dissipation airflow and improve the heat dissipation effect under the condition of very small power loss.
Description
Technical Field
The utility model relates to a duct fan engine on the aircraft, in particular to electronic duct propeller of good aircraft dispels heat belongs to aircraft technical field.
Background
In the aspect of driving of the aircraft, the blades of the ducted fan are positioned in the duct, and the blade tips are limited by the duct, so that the impact noise is reduced, the induced resistance is reduced, and the efficiency is higher. Under the same power consumption, the ducted fan can generate larger thrust compared with an isolated propeller with the same diameter, and meanwhile, due to the ring-included function of the ducted, the ducted fan is compact in structure, low in aerodynamic noise and good in use safety, so that the ducted fan is widely applied to aircraft design as a thrust or lift device. Electric ducted fan propeller is with motor drive, electric ducted fan propeller system is because by the volume, the structural constraint, power is bigger in addition, in addition because subtract heavy demand, at present main part such as many electric ducted fan casing and blade all adopt carbon-fibre composite, heat-conduction coefficient for metal material carbon-fibre composite is low, so in use motor calorific capacity is very serious, nevertheless because structural and aerodynamic performance restriction can't install heat abstractor additional, if will improve power density, raise the efficiency and the operation security, the heat dissipation problem of solving the motor among the electric ducted fan is a key point that must break through.
Disclosure of Invention
An object of the utility model is to overcome the above-mentioned problem that exists among the electronic duct propeller of present aircraft, provide an electronic duct fan propeller of aircraft.
In order to realize the purpose of the utility model, the following technical proposal is adopted: the utility model provides an electronic duct fan propeller of aircraft, includes a duct section of thick bamboo, and fixed mounting has the motor in a duct section of thick bamboo, and the paddle of duct fan is connected on the output shaft of motor, and the front end of paddle has the radome fairing inner wall on fixedly connected with multi-disc centrifugal fan blade, the radome fairing front end has the air intake, the air-out flow direction of multi-disc centrifugal fan blade is in the motor.
Further, the method comprises the following steps of; the tail end of the motor is also fixedly connected with a flow guide cover.
Further, the method comprises the following steps of; the motor is an external rotor motor, a motor shell is arranged outside the rotor, the stator is fixedly connected with the motor shell, the motor shell is fixedly connected with the duct cylinder, the flow guide cover is fixedly connected to the motor shell, and the front end of the flow guide cover is large while the rear end of the flow guide cover is small.
Further, the method comprises the following steps of; the rear end of the air guide sleeve extends out of the duct cylinder.
The utility model discloses an actively beneficial technological effect lies in: this electronic duct propeller of aircraft utilizes the inner wall of paddle front end radome fairing to be centrifugal fan blade structure, introduce the air from the air intake, the airflow of front end drainage near radome fairing utilizes the centrifugal action of the diameter that the radome fairing inner wall increases gradually, make the air current press close to the radome fairing inner wall and move backward, get into inside the motor in the clearance of stator and rotor, discharge the kuppe that gets into the afterbody from the motor rear portion after the inside heat dissipation of motor, when the high-speed air current that the duct fan produced exports through the kuppe, according to the venturi effect, can locally produce the low pressure around the kuppe exit, play the drainage effect to the air current that gets into the motor, discharge of hot-air with higher speed. The improvement can obviously increase the flow of the heat dissipation airflow and improve the heat dissipation effect under the condition of small power loss.
Drawings
Fig. 1 is an overall schematic view of the present invention.
Fig. 2 is a schematic view of the present invention in section.
Fig. 3 is a schematic cross-sectional view of the present invention, wherein the broken line with arrows is the schematic of the air flow through the motor.
Detailed Description
In order to explain the utility model more fully, the utility model provides an implementation example. These examples are merely illustrative of the present invention and do not limit the scope of the present invention.
The invention is explained in further detail with reference to the drawings, in which the reference symbols are: 1: a duct cylinder; 2: a paddle; 3; a cowling; 4: an air inlet; 5: a pod; 6: a motor; 601: a motor housing; 602: a rotor; 7: centrifuging the fan blades;
as shown in the attached drawings, the electric ducted fan propeller of the aircraft comprises a ducted cylinder 1, wherein a motor 6 is fixedly installed in the ducted cylinder, in the embodiment, the motor adopts a brushless outer rotor motor, a motor shell 601 of the motor is fixedly connected with the ducted cylinder, blades 2 of the ducted fan are connected to an output shaft of the motor, and a fairing 3 is arranged at the front end of each blade 2. All the above are structural configurations of the existing electric ducted fan.
The inner wall of the fairing is fixedly connected with a plurality of centrifugal fan blades 7, the front end of the fairing is provided with an air inlet 4, and the air outlet of the centrifugal fan blades flows into the motor. A diversion cover 5 is fixedly connected to the shell at the tail end of the motor; the rear end of the air guide sleeve extends out of the duct cylinder. The air guide sleeve is fixedly connected to the motor shell, the front end of the air guide sleeve is large, the rear end of the air guide sleeve is small, and wind resistance can be reduced to the maximum extent through the design.
By adopting the structure, the 400mm electric duct propeller of the aircraft can be manufactured. The following are some of the parameters for the 400mm ducted fan test:
400mm ducted fan:
diameter of the blade: 400 mm;
the number of blades: 12;
rotating speed: 6000 rpm;
thrust: 200N;
power: 5 kW;
the voltage is 44.4V.
After the embodiments of the present invention have been described in detail, those skilled in the art can clearly understand that various changes and modifications can be made without departing from the scope and spirit of the above claims, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention all fall within the scope of the technical solution of the present invention, and the present invention is not limited to the embodiments of the examples given in the specification.
Claims (4)
1. The utility model provides an electronic duct fan propeller of aircraft, includes a duct section of thick bamboo, and fixed mounting has the motor in a duct section of thick bamboo, and the paddle of duct fan is connected on the output shaft of motor, and the front end of paddle has radome fairing, its characterized in that: the inner wall of the fairing is fixedly connected with a plurality of centrifugal fan blades, the fairing is provided with an air inlet, and the air outlet of the centrifugal fan blades flows into the motor.
2. The aircraft electric ducted fan propeller according to claim 1, characterized in that: the tail end of the motor is also fixedly connected with a flow guide cover.
3. The aircraft electric ducted fan propeller according to claim 2, characterized in that: the motor is an external rotor motor, a motor shell is arranged outside the rotor, the stator is fixedly connected with the motor shell, the motor shell is fixedly connected with the duct cylinder, the flow guide cover is fixedly connected to the motor shell, and the front end of the flow guide cover is large while the rear end of the flow guide cover is small.
4. The aircraft electric ducted fan propeller according to claim 2, characterized in that: the rear end of the air guide sleeve extends out of the duct cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221311546.5U CN217462619U (en) | 2022-05-30 | 2022-05-30 | Electric ducted fan propeller of aircraft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221311546.5U CN217462619U (en) | 2022-05-30 | 2022-05-30 | Electric ducted fan propeller of aircraft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217462619U true CN217462619U (en) | 2022-09-20 |
Family
ID=83278015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221311546.5U Active CN217462619U (en) | 2022-05-30 | 2022-05-30 | Electric ducted fan propeller of aircraft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217462619U (en) |
-
2022
- 2022-05-30 CN CN202221311546.5U patent/CN217462619U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201100246Y (en) | An axis circulation wind engine for power engine | |
| CN110481757B (en) | Electric conduit fan | |
| CN215595986U (en) | Pneumatic structure of mixed flow fan | |
| CN112377267B (en) | Self-cooling high-speed ram air turbine generator | |
| CN210985876U (en) | Novel electric culvert power device | |
| US7364118B2 (en) | Propulsion arrangement | |
| CN110159564B (en) | Axial flow fan with low specific speed | |
| US4370095A (en) | Compound coaxial windmill | |
| CN217462619U (en) | Electric ducted fan propeller of aircraft | |
| CN110500293B (en) | Centrifugal compressor | |
| CN203761202U (en) | Motor with heat radiating device | |
| CN112678138A (en) | Tandem motor pump jet propeller | |
| JP2007517155A (en) | Wind turbine engine | |
| CN114704479B (en) | Centrifugal fan for stratosphere | |
| CN214464417U (en) | Self-cooling high-speed ram air turbine generator | |
| CN215256988U (en) | Low-noise outlet flow guide and ventilator with same | |
| CN101832283B (en) | Three- impeller axial flow fan of subway traction motor brake cooling system | |
| CN117693471A (en) | Propeller for an aircraft propulsion assembly, propulsion assembly and method of using such a propulsion assembly | |
| CN217348213U (en) | Inner rotor ducted fan propeller with heat dissipation function | |
| CN210201641U (en) | Motor heat radiation structure | |
| US20210107676A1 (en) | Aircraft Having an Aft Engine and Auxiliary Power Unit | |
| CN112065783A (en) | Ultra-low noise meridian acceleration axial flow fan | |
| CN112128124A (en) | Air-cooled heat dissipation axial flow cooling fan for electronic equipment | |
| CN219287277U (en) | Motor shell and dust collector motor | |
| CN216951000U (en) | Booster, pressure boost radiator fan and dc-to-ac converter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |