WO2018201813A1 - Ducted fan - Google Patents

Ducted fan Download PDF

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Publication number
WO2018201813A1
WO2018201813A1 PCT/CN2018/079753 CN2018079753W WO2018201813A1 WO 2018201813 A1 WO2018201813 A1 WO 2018201813A1 CN 2018079753 W CN2018079753 W CN 2018079753W WO 2018201813 A1 WO2018201813 A1 WO 2018201813A1
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WO
WIPO (PCT)
Prior art keywords
duct
ducted fan
hub shaft
disposed
wall
Prior art date
Application number
PCT/CN2018/079753
Other languages
French (fr)
Chinese (zh)
Inventor
刘若鹏
栾琳
李聪
Original Assignee
深圳光启合众科技有限公司
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Application filed by 深圳光启合众科技有限公司 filed Critical 深圳光启合众科技有限公司
Publication of WO2018201813A1 publication Critical patent/WO2018201813A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D29/00—Power-plant nacelles, fairings, or cowlings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/58—Cooling; Heating; Diminishing heat transfer

Definitions

  • the utility model relates to the field of aircraft and, more particularly, to a ducted fan.
  • the engine radiator is mounted outside the ducted fan.
  • the high-speed airflow of the ducted fan cannot be fully utilized for heat dissipation, and the heat dissipation effect is poor, resulting in a bulky heat sink; at the same time, the external heat sink is bulky, occupies a large space of the aircraft, and affects the aesthetics of the aircraft.
  • the object of the present invention is to provide a ducted fan, which is embedded in a duct in a ducted fan, thereby realizing the engine heat dissipation effect of the ducted fan, improving heat dissipation efficiency, and saving The packaging space of the ducted fan.
  • the present invention provides a ducted fan, comprising: a duct, an air inlet and an air outlet respectively located above and below the duct, the ducts having spaced inner and outer walls, inner wall Forming an annular space with the outer wall, a plurality of through holes are formed in the inner wall, the through holes are in communication with the annular space; the radiator is disposed in the annular space; the hub shaft is disposed on the central axis of the duct; The moving blade is disposed on the hub shaft and rotatable around the hub shaft, and the plurality of moving blades are disposed adjacent to the air inlet; and the power driving device is coupled to the end of the hub shaft near the air outlet to drive the hub shaft to rotate.
  • a power drive apparatus includes an engine, wherein the engine is coupled to a hub shaft to drive the hub shaft to rotate.
  • the ducted fan further includes an inner casing fixed in the duct, the engine and the hub shaft are coaxially connected to the inner casing, and the wheel with the central orifice is positioned in the inner casing. Above one end of the crucible, the hub shaft is engaged with the disc through the central opening to drive the disc to rotate, and the plurality of moving vanes are fixed at equal intervals on the outer edge of the disc.
  • the inner casing includes a first section adjacent to the air inlet and a second section adjacent to the air outlet, wherein the engine is mounted in the second section and the wheel is positioned in the first zone Above the end of the segment.
  • the ducted fan further includes a fairing that covers the center aperture and is mounted on the wheel, and the fairing is positioned above the plurality of moving blades and rotates as the plurality of moving blades rotate.
  • the ducted fan further includes a plurality of stationary vanes, the plurality of stationary vanes being circumferentially disposed at equal intervals around the second section of the inner casing, and the ends being fixed to the inner wall of the duct.
  • the radiator is an annular radiator, the central axis of the annular radiator coincides with the central axis of the duct.
  • the annular heat sink comprises a plurality of ribs or bellows connected to each other to form an annular configuration.
  • a plurality of through holes are arranged in a matrix on the inner wall.
  • the duct includes a first half duct and a second half duct connected up and down, and an annular space is disposed in the first half duct and/or the second half duct, and the radiator may be It is detachably fixed in the annular space.
  • the ducted fan of the utility model embeds the radiator into the duct, which can not only realize the engine heat dissipation effect of the ducted fan, but also improve the heat dissipation efficiency, and also save the packaging space of the ducted fan.
  • FIG. 1 illustrates a schematic structural view of a ducted fan according to an exemplary embodiment of the present invention
  • FIG. 2 illustrates a structural schematic view of a duct of a ducted fan according to an exemplary embodiment of the present invention
  • FIG. 3 shows a schematic structural view of a heat sink according to an exemplary embodiment of the present invention
  • FIG. 4 is a schematic structural view of a moving blade and a wheel according to an exemplary embodiment of the present invention.
  • FIG. 5 illustrates a bottom view of a ducted fan illustrating the structure of the stationary vane in detail, in accordance with an exemplary embodiment of the present invention
  • FIG. 6 illustrates a schematic structural view of an inner casing according to an exemplary embodiment of the present invention
  • FIG. 7 illustrates a structural schematic view of a fairing in accordance with an exemplary embodiment of the present invention.
  • an embodiment of the present invention provides a ducted fan.
  • the ducted fan includes a duct 1, a radiator 3, a hub shaft, a plurality of moving blades 4, and a power driving device.
  • the duct 1 has an air inlet and an outlet air respectively located above and below, and the duct 1 is configured as a double wall structure having an inner wall and an outer wall, wherein the inner wall and the outer wall are spaced apart to form a heat sink 3 therebetween
  • a plurality of through holes 2 are opened in the inner wall of the duct 1, and the through holes 2 communicate with the annular space, so that the airflow in the duct 1 passes through the plurality of through holes 2 into the annular space and dissipates heat.
  • the device 3 is in contact to provide cooling air to the radiator 3.
  • the hub shaft is disposed on a central axis of the duct 1, and a plurality of moving blades 4 are disposed on the hub shaft near the air inlet, and the power driving device is connected with one end of the hub shaft near the air outlet to drive the paddle
  • the hub shaft rotates to drive the plurality of moving blades 4 disposed thereon to rotate about the hub shaft.
  • the radiator 3 can be fixed on the inner wall of the duct 1, and the high-speed airflow enters the duct 1 from the air inlet of the duct fan, flushes the inner wall of the duct 1, and passes through a plurality of passages formed on the inner wall.
  • the hole 2 enters the heat dissipation flow path of the heat sink 3, and the heat is taken out, and finally the duct 1 is discharged from the air outlet of the ducted fan, thereby achieving efficient heat dissipation.
  • the power drive can include an engine, wherein the engine is coupled to the hub shaft to drive the hub shaft to rotate.
  • the engine may be disposed below an end of the hub axle that is adjacent the air outlet, the output shaft of the engine being coaxially coupled to the hub shaft; or, in other exemplary embodiments, the engine may be It is placed at other locations within the duct 1 and drives the hub shaft to rotate by gears or belts. It should be noted that the specific position of the engine may be determined depending on the actual application, and the present invention is not limited thereto.
  • the ducted fan further includes an inner casing 5 fixed in the duct 1, the engine and the hub shaft are coaxially connected and are mounted in the inner casing 5 .
  • the wheel 6 has a central opening and is positioned above one end of the inner casing 5 near the air inlet, and a plurality of moving blades 4 are fixed at equal intervals on the outer edge of the wheel 6, and the hub shaft passes through.
  • the central opening of the wheel 6 engages with the wheel 6 to drive the wheel 6 to rotate, thereby causing the plurality of moving blades 4 to rotate about the central axis of the hub shaft.
  • the inner casing 5 includes two sections that are connected to each other: a first section 51 and a second section 52. Wherein the first section 51 and the second section 52 are respectively disposed near the air inlet and the air outlet, the engine is installed in the second section 52 of the inner casing 5, and the wheel 6 is positioned at the end of the first section 51. A plurality of moving blades 4 are mounted above the portion.
  • a fairing 7 is provided above the wheel 6, wherein the specific configuration of the fairing 7 is illustrated in FIG. 7, and the fairing 7 covers the central opening of the wheel 6 and Positioned above the plurality of moving blades 4, it rotates as the plurality of moving blades 4 rotate to play a guiding effect on the incoming flow.
  • the ducted fan further includes a plurality of stationary vanes 8 that surround the inner casing 5 at equal intervals around the circumference.
  • the second section 52 is disposed, and the ends of each of the stationary vanes 8 are fixed to the inner wall of the duct 1.
  • the two ends of each of the stationary vanes 8 are respectively connected to the second section 52 of the inner casing 5 and the inner wall of the duct 1 by bonding or the like for rectifying the balance counter torque.
  • the heat sink 3 is an annular heat sink, wherein the shape of the annular heat sink matches the contour of the annular space in the duct 1 so that it can be easily Embedded in the annular space.
  • the annular heat sink includes a plurality of ribs that are connected to each other to form an annular configuration, such as a ribbed heat sink; alternatively, in another possible embodiment, the annular heat sink includes A plurality of bellows that are connected to each other to form an annular configuration, for example, a bellows type heat sink.
  • the heat sink 3 may have other suitable shapes and compositions, which may be determined according to practical applications, and the present invention is not limited thereto.
  • the through holes 2 are disposed on the inner wall in a matrix distribution so that the airflow entering the annular space in contact with the heat sink 3 is more uniform.
  • the duct 1 can be constructed as a detachable structure to facilitate mounting a heat sink therein.
  • the duct 1 may include a first half duct and a second half duct connected up and down, and a ring for mounting the radiator is disposed in both the first half duct and the second half duct.
  • Space; or, in other embodiments, an annular space for mounting the heat sink is provided only in one of the first half duct and the second half duct, and the heat sink is placed in the annular space to facilitate the appearance of the heat sink Replace it in time when it is faulty.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

A ducted fan comprises: a duct (1), wherein an air intake and an air outlet are located above and below the duct (1) respectively, the duct (1) has an inner wall and an outer wall disposed with an interval therebetween, an annular space is formed between the inner wall and the outer wall, a plurality of through-holes (2) are disposed on the inner wall, and the through-holes are in communication with the annular space; a heat sink (3), disposed in the annular space; a hub shaft, disposed about a central axis of the duct (1); a plurality of rotor blades (4), disposed on the hub shaft and proximate to the air intake, and being rotatable about the hub shaft; and a power driving device, connected to one end of the hub shaft proximate to the air outlet to drive the hub shaft to rotate. Embedding a heat sink of a ducted fan in a duct can improve the heat dissipation efficiency of an engine of the ducted fan and also saving packaging space of the ducted fan.

Description

涵道风扇Ducted fan 技术领域Technical field
本实用新型涉及飞行器领域，并且更具体地，涉及一种涵道风扇。The utility model relates to the field of aircraft and, more particularly, to a ducted fan.
背景技术Background technique
传统的涵道风扇***中，将发动机散热器装在涵道风扇外部。In the conventional ducted fan system, the engine radiator is mounted outside the ducted fan.
技术问题technical problem
不能充分利用涵道风扇的高速气流进行散热，散热效果差，造成散热器笨重；同时外置散热器体积大，占据飞行器较大的空间，而且影响飞行器的美观。The high-speed airflow of the ducted fan cannot be fully utilized for heat dissipation, and the heat dissipation effect is poor, resulting in a bulky heat sink; at the same time, the external heat sink is bulky, occupies a large space of the aircraft, and affects the aesthetics of the aircraft.
技术解决方案Technical solution
针对相关技术中存在的问题，本实用新型的目的在于提供一种涵道风扇，该涵道风扇将散热器嵌入涵道中，实现了涵道风扇的发动机散热效果，提高了散热效率，同时节省了涵道风扇的封装空间。In view of the problems in the related art, the object of the present invention is to provide a ducted fan, which is embedded in a duct in a ducted fan, thereby realizing the engine heat dissipation effect of the ducted fan, improving heat dissipation efficiency, and saving The packaging space of the ducted fan.
为实现上述目的，本实用新型提供了一种涵道风扇，其包括：涵道，一进风口和一出风口分别位于涵道的上方和下方，涵道具有间隔设置的内壁和外壁，在内壁和外壁之间形成环形空间，在内壁上开设有多个通孔，通孔与环形空间相连通；散热器，设置在环形空间内；桨毂轴，设置在涵道的中心轴线上；多个动叶片，设置在桨毂轴上且可绕桨毂轴旋转，多个动叶片靠近进风口设置；以及动力驱动装置，连接在桨毂轴的靠近出风口的一端以驱动桨毂轴转动。In order to achieve the above object, the present invention provides a ducted fan, comprising: a duct, an air inlet and an air outlet respectively located above and below the duct, the ducts having spaced inner and outer walls, inner wall Forming an annular space with the outer wall, a plurality of through holes are formed in the inner wall, the through holes are in communication with the annular space; the radiator is disposed in the annular space; the hub shaft is disposed on the central axis of the duct; The moving blade is disposed on the hub shaft and rotatable around the hub shaft, and the plurality of moving blades are disposed adjacent to the air inlet; and the power driving device is coupled to the end of the hub shaft near the air outlet to drive the hub shaft to rotate.
根据本实用新型的一个实施例，动力驱动装置包括发动机，其中，发动机与桨毂轴连接以驱动桨毂轴转动。In accordance with an embodiment of the present invention, a power drive apparatus includes an engine, wherein the engine is coupled to a hub shaft to drive the hub shaft to rotate.
根据本实用新型的一个实施例，涵道风扇进一步包括固定在涵道内的内机匣，发动机和桨毂轴同轴连接地安装在内机匣中，具有中心孔口的轮盘定位在内机匣的一端上方，桨毂轴穿过中心孔口与轮盘接合以带动轮盘转动，多个动叶片圆周等间隔地固定在轮盘的外缘上。According to an embodiment of the present invention, the ducted fan further includes an inner casing fixed in the duct, the engine and the hub shaft are coaxially connected to the inner casing, and the wheel with the central orifice is positioned in the inner casing. Above one end of the crucible, the hub shaft is engaged with the disc through the central opening to drive the disc to rotate, and the plurality of moving vanes are fixed at equal intervals on the outer edge of the disc.
根据本实用新型的一个实施例，内机匣包括靠近进风口的第一区段和靠近出风口的第二区段，其中，发动机安装在第二区段内，并且轮盘定位在第一区段的端部上方。According to an embodiment of the invention, the inner casing includes a first section adjacent to the air inlet and a second section adjacent to the air outlet, wherein the engine is mounted in the second section and the wheel is positioned in the first zone Above the end of the segment.
根据本实用新型的一个实施例，涵道风扇还包括覆盖中心孔口安装在轮盘上的整流罩，整流罩定位在多个动叶片上方且随多个动叶片转动而转动。According to an embodiment of the present invention, the ducted fan further includes a fairing that covers the center aperture and is mounted on the wheel, and the fairing is positioned above the plurality of moving blades and rotates as the plurality of moving blades rotate.
根据本实用新型的一个实施例，涵道风扇还包括多个静叶片，多个静叶片圆周等间隔地围绕内机匣的第二区段设置，并且末端固定至涵道的内壁。According to an embodiment of the present invention, the ducted fan further includes a plurality of stationary vanes, the plurality of stationary vanes being circumferentially disposed at equal intervals around the second section of the inner casing, and the ends being fixed to the inner wall of the duct.
根据本实用新型的一个实施例，散热器为环形散热器，环形散热器的中心轴线与涵道的中心轴线重合。According to an embodiment of the invention, the radiator is an annular radiator, the central axis of the annular radiator coincides with the central axis of the duct.
根据本实用新型的一个实施例，环形散热器包括多个彼此连接形成环形构造的肋片或波纹管。According to an embodiment of the invention, the annular heat sink comprises a plurality of ribs or bellows connected to each other to form an annular configuration.
根据本实用新型的一个实施例，多个通孔呈矩阵分布地设置于内壁上。According to an embodiment of the invention, a plurality of through holes are arranged in a matrix on the inner wall.
根据本实用新型的一个实施例，涵道包括上下连接的第一半涵道和第二半涵道，并且在第一半涵道和/或第二半涵道内设置有环形空间，散热器可拆卸地固定在环形空间内。According to an embodiment of the present invention, the duct includes a first half duct and a second half duct connected up and down, and an annular space is disposed in the first half duct and/or the second half duct, and the radiator may be It is detachably fixed in the annular space.
有益效果Beneficial effect
本实用新型的有益技术效果在于：The beneficial technical effects of the utility model are as follows:
本实用新型的涵道风扇将散热器嵌入涵道中，不仅能够实现涵道风扇的发动机散热效果，提高散热效率，同时还节省了涵道风扇的封装空间。The ducted fan of the utility model embeds the radiator into the duct, which can not only realize the engine heat dissipation effect of the ducted fan, but also improve the heat dissipation efficiency, and also save the packaging space of the ducted fan.
附图说明DRAWINGS
为了更清楚地说明本实用新型实施例或现有技术中的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本实用新型的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments will be briefly described below. It is obvious that the drawings in the following description are merely the present invention. Some of the embodiments can be obtained by those of ordinary skill in the art in view of the drawings without any inventive effort.
图1例示了根据本实用新型的一个示例性实施例的涵道风扇的结构示意图；FIG. 1 illustrates a schematic structural view of a ducted fan according to an exemplary embodiment of the present invention; FIG.
图2例示了根据本实用新型的一个示例性实施例的涵道风扇的涵道的结构示意图；2 illustrates a structural schematic view of a duct of a ducted fan according to an exemplary embodiment of the present invention;
图3示出了根据本实用新型的一个示例性实施例的散热器的结构示意图；FIG. 3 shows a schematic structural view of a heat sink according to an exemplary embodiment of the present invention; FIG.
图4示出了根据本实用新型的一个示例性实施例的动叶片及轮盘的结构示意图；FIG. 4 is a schematic structural view of a moving blade and a wheel according to an exemplary embodiment of the present invention; FIG.
图5示出了根据本实用新型的一个示例性实施例的涵道风扇的底视图，其详细地例示了静叶片的结构；FIG. 5 illustrates a bottom view of a ducted fan illustrating the structure of the stationary vane in detail, in accordance with an exemplary embodiment of the present invention; FIG.
图6例示了根据本实用新型的一个示例性实施例的内机匣的结构示意图；以及FIG. 6 illustrates a schematic structural view of an inner casing according to an exemplary embodiment of the present invention;
图7例示了根据本实用新型的一个示例性实施例的整流罩的结构示意图。FIG. 7 illustrates a structural schematic view of a fairing in accordance with an exemplary embodiment of the present invention.
本发明的实施方式Embodiments of the invention
以下将结合附图，对本实用新型的实施例进行详细描述。应当理解，以下参照附图对本实用新型进行的描述仅是示意性的，而非限制性的。各个不同实施例之间可以进行相互组合，以构成未在以下描述中示出的其他实施例。此外，以下描述中使用的各种方位术语同样仅是示意性的，并且并不对本实用新型构成任何限制。The embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The description of the present invention is intended to be illustrative, and not restrictive. The various embodiments may be combined with one another to form other embodiments not shown in the following description. In addition, the various orientation terms used in the following description are also merely illustrative and are not intended to limit the invention.
如图1至图7所示，本实用新型一方面的实施例提供了一种涵道风扇。涵道风扇包括涵道1、散热器3、桨毂轴、多个动叶片4以及动力驱动装置。其中，涵道1具有分别位于上方和下方的进风口和出风，并且涵道1构造成具有内壁和外壁的双层壁结构，其中，内壁和外壁间隔开以在其间形成供安装散热器3的环形空间，在涵道1的内壁上开设有多个通孔2，通孔2与所述环形空间相连通，以使涵道1中的气流通过多个通孔2进入环形空间中与散热器3接触，为散热器3提供冷却空气。桨毂轴设置在涵道1的中心轴线上，在桨毂轴上靠近进风口的位置处设置有多个动叶片4，动力驱动装置与桨毂轴的靠近出风口的一端连接，以驱动桨毂轴转动，从而带动设置于其上的多个动叶片4绕桨毂轴旋转。As shown in FIG. 1 to FIG. 7 , an embodiment of the present invention provides a ducted fan. The ducted fan includes a duct 1, a radiator 3, a hub shaft, a plurality of moving blades 4, and a power driving device. Wherein, the duct 1 has an air inlet and an outlet air respectively located above and below, and the duct 1 is configured as a double wall structure having an inner wall and an outer wall, wherein the inner wall and the outer wall are spaced apart to form a heat sink 3 therebetween In the annular space, a plurality of through holes 2 are opened in the inner wall of the duct 1, and the through holes 2 communicate with the annular space, so that the airflow in the duct 1 passes through the plurality of through holes 2 into the annular space and dissipates heat. The device 3 is in contact to provide cooling air to the radiator 3. The hub shaft is disposed on a central axis of the duct 1, and a plurality of moving blades 4 are disposed on the hub shaft near the air inlet, and the power driving device is connected with one end of the hub shaft near the air outlet to drive the paddle The hub shaft rotates to drive the plurality of moving blades 4 disposed thereon to rotate about the hub shaft.
在涵道风扇的操作期间，散热器3可固定在涵道1的内壁上，高速气流从涵道风扇的进风口进入涵道1，冲刷涵道1的内壁，通过内壁上开设的多个通孔2进入散热器3的散热流道中，将热量带出，最终从涵道风扇的出风口流出涵道1，起到高效的散热作用。During operation of the ducted fan, the radiator 3 can be fixed on the inner wall of the duct 1, and the high-speed airflow enters the duct 1 from the air inlet of the duct fan, flushes the inner wall of the duct 1, and passes through a plurality of passages formed on the inner wall. The hole 2 enters the heat dissipation flow path of the heat sink 3, and the heat is taken out, and finally the duct 1 is discharged from the air outlet of the ducted fan, thereby achieving efficient heat dissipation.
此外，在上述实施例中，通过将散热器3设置在涵道1的环形空间中，不仅能够实现涵道风扇的发动机散热效果，提高散热效率，同时还显著节省了涵道风扇的封装空间。In addition, in the above embodiment, by disposing the heat sink 3 in the annular space of the duct 1, not only the engine heat dissipation effect of the ducted fan but also the heat dissipation efficiency can be improved, and the packaging space of the ducted fan is also significantly saved.
在本实用新型的一个实施例中，动力驱动装置可包括发动机，其中，发动机与桨毂轴连接以驱动桨毂轴转动。例如，在一些示例性实施例中，发动机可设置于桨毂轴的靠近出风口的一端下方，发动机的输出轴与桨毂轴同轴连接；或者，在其他一些示例性实施例中，发动机可设置在涵道1内的其他位置，并通过齿轮或皮带的等传动装置来驱动桨毂轴转动。需要注意的是，发动机的具***置可视实际应用而定，本实用新型不局限与此。In one embodiment of the invention, the power drive can include an engine, wherein the engine is coupled to the hub shaft to drive the hub shaft to rotate. For example, in some exemplary embodiments, the engine may be disposed below an end of the hub axle that is adjacent the air outlet, the output shaft of the engine being coaxially coupled to the hub shaft; or, in other exemplary embodiments, the engine may be It is placed at other locations within the duct 1 and drives the hub shaft to rotate by gears or belts. It should be noted that the specific position of the engine may be determined depending on the actual application, and the present invention is not limited thereto.
接下来，参照图1，根据本实用新型的一个实施例，涵道风扇进一步包括固定在涵道1中的内机匣5，发动机和桨毂轴同轴连接并且均安装在内机匣5中。结合图4，轮盘6具有中心孔口并且定位在内机匣5的靠近进风口的一端上方，多个动叶片4圆周等间隔地固定在轮盘6的外缘上，桨毂轴穿过轮盘6的中心孔口与轮盘6接合以带动轮盘6转动，从而带动多个动叶片4绕桨毂轴的中心轴线旋转。Next, referring to Fig. 1, according to an embodiment of the present invention, the ducted fan further includes an inner casing 5 fixed in the duct 1, the engine and the hub shaft are coaxially connected and are mounted in the inner casing 5 . 4, the wheel 6 has a central opening and is positioned above one end of the inner casing 5 near the air inlet, and a plurality of moving blades 4 are fixed at equal intervals on the outer edge of the wheel 6, and the hub shaft passes through. The central opening of the wheel 6 engages with the wheel 6 to drive the wheel 6 to rotate, thereby causing the plurality of moving blades 4 to rotate about the central axis of the hub shaft.
进一步地，如图6中最佳例示，根据本实用新型的一个实施例，内机匣5包括彼此连接的两个区段：第一区段51和第二区段52。其中，第一区段51和第二区段52分别靠近进风口和出风口设置，发动机安装在内机匣5的第二区段52内，并且轮盘6定位在第一区段51的端部上方以安装多个动叶片4。Further, as best illustrated in FIG. 6, in accordance with an embodiment of the present invention, the inner casing 5 includes two sections that are connected to each other: a first section 51 and a second section 52. Wherein the first section 51 and the second section 52 are respectively disposed near the air inlet and the air outlet, the engine is installed in the second section 52 of the inner casing 5, and the wheel 6 is positioned at the end of the first section 51. A plurality of moving blades 4 are mounted above the portion.
另外，在如图1所述的实施例中，在轮盘6上方设置有整流罩7，其中，整流罩7的具体构造在图7中例示，整流罩7覆盖轮盘6的中心孔口并且定位在多个动叶片4上方，其随多个动叶片4旋转而转动，以起到对来流的导流作用。Further, in the embodiment as illustrated in FIG. 1, a fairing 7 is provided above the wheel 6, wherein the specific configuration of the fairing 7 is illustrated in FIG. 7, and the fairing 7 covers the central opening of the wheel 6 and Positioned above the plurality of moving blades 4, it rotates as the plurality of moving blades 4 rotate to play a guiding effect on the incoming flow.
在上述实施例中或本实用新型的其他实施例中，例如图5中所示的实施例，涵道风扇还包括多个静叶片8，多个静叶片8圆周等间隔地围绕内机匣5的第二区段52设置，并且每个静叶片8的末端均固定到涵道1的内壁上。换个角度讲，每个静叶片8的两端分别通过粘接等方式连接到内机匣5的第二区段52和涵道1的内壁上，用来整流平衡反扭矩。In the above embodiment or other embodiments of the present invention, such as the embodiment shown in FIG. 5, the ducted fan further includes a plurality of stationary vanes 8 that surround the inner casing 5 at equal intervals around the circumference. The second section 52 is disposed, and the ends of each of the stationary vanes 8 are fixed to the inner wall of the duct 1. To put it another way, the two ends of each of the stationary vanes 8 are respectively connected to the second section 52 of the inner casing 5 and the inner wall of the duct 1 by bonding or the like for rectifying the balance counter torque.
示例性地，如图3所示，根据本实用新型的一个实施例，散热器3为环形散热器，其中，环形散热器的外形与涵道1内的环形空间的轮廓相匹配，从而可容易地嵌入到环形空间中。具体地，在一个可能的实施例中，环形散热器包括多个彼此连接形成环形构造的肋片，例如，肋片式散热器；替代地，在另一个可能的实施例中，环形散热器包括多个彼此连接形成环形构造的波纹管，例如，波纹管式散热器。然而，应当理解的是，在本实用新型的涵道风扇中，散热器3还可具有其他合适的形状和组成，这可根据实际应用而定，本实用新型不局限与此。Illustratively, as shown in FIG. 3, according to an embodiment of the present invention, the heat sink 3 is an annular heat sink, wherein the shape of the annular heat sink matches the contour of the annular space in the duct 1 so that it can be easily Embedded in the annular space. Specifically, in one possible embodiment, the annular heat sink includes a plurality of ribs that are connected to each other to form an annular configuration, such as a ribbed heat sink; alternatively, in another possible embodiment, the annular heat sink includes A plurality of bellows that are connected to each other to form an annular configuration, for example, a bellows type heat sink. However, it should be understood that in the ducted fan of the present invention, the heat sink 3 may have other suitable shapes and compositions, which may be determined according to practical applications, and the present invention is not limited thereto.
如图2所示，根据本实用新型的一个实施例，通孔2呈矩阵分布地设置于内壁上，以使进入环形空间与散热器3接触的气流更加均匀。As shown in FIG. 2, according to an embodiment of the present invention, the through holes 2 are disposed on the inner wall in a matrix distribution so that the airflow entering the annular space in contact with the heat sink 3 is more uniform.
另外，根据本实用新型的一个实施例，涵道1可构造成可拆卸结构，以方便在其中安装散热器。例如，在一个实施例中，涵道1可包括上下连接的第一半涵道和第二半涵道，并且在第一半涵道和第二半涵道内均设置有用于安装散热器的环形空间；或者，在其他实施例中，仅在第一半涵道和第二半涵道的一个中设置用于安装散热器的环形空间，将散热器置于环形空间内，方便在散热器出现故障的时候及时更换。Additionally, in accordance with an embodiment of the present invention, the duct 1 can be constructed as a detachable structure to facilitate mounting a heat sink therein. For example, in one embodiment, the duct 1 may include a first half duct and a second half duct connected up and down, and a ring for mounting the radiator is disposed in both the first half duct and the second half duct. Space; or, in other embodiments, an annular space for mounting the heat sink is provided only in one of the first half duct and the second half duct, and the heat sink is placed in the annular space to facilitate the appearance of the heat sink Replace it in time when it is faulty.
 
以上所述仅为本实用新型的优选实施例而已，并不用于限制本实用新型，对于本领域的技术人员来说，本实用新型可以有各种更改和变化。凡在本实用新型的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本实用新型的保护范围之内。The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention. For those skilled in the art, various modifications and changes can be made in the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Claims (10)

  1. 一种涵道风扇，其特征在于，包括：A ducted fan, characterized in that it comprises:
    涵道（1），一进风口和一出风口分别位于所述涵道（1）的上方和下方，所述涵道（1）具有间隔设置的内壁和外壁，在所述内壁和所述外壁之间形成环形空间，在所述内壁上开设有多个通孔（2），所述通孔与所述环形空间相连通；a duct (1), an air inlet and an air outlet respectively above and below the duct (1), the duct (1) having spaced inner and outer walls, the inner wall and the outer wall Forming an annular space between the plurality of through holes (2), the through holes communicating with the annular space;
    散热器（3），设置在所述环形空间内；a heat sink (3) disposed in the annular space;
    桨毂轴，设置在所述涵道（1）的中心轴线上；a hub shaft disposed on a central axis of the duct (1);
    多个动叶片（4），设置在所述桨毂轴上且可绕所述桨毂轴旋转，所述多个动叶片靠近所述进风口设置；以及a plurality of moving blades (4) disposed on the hub shaft and rotatable about the hub shaft, the plurality of moving blades being disposed adjacent to the air inlet;
    动力驱动装置，连接在所述桨毂轴的靠近所述出风口的一端以驱动所述桨毂轴转动。A power driving device is coupled to an end of the hub shaft adjacent to the air outlet to drive the hub shaft to rotate.
  2. 根据权利要求1所述的涵道风扇，其特征在于，所述动力驱动装置包括发动机，其中，所述发动机与所述桨毂轴连接以驱动所述桨毂轴转动。The ducted fan of claim 1 wherein said power drive comprises an engine, and wherein said engine is coupled to said hub shaft to drive said hub shaft to rotate.
  3. 根据权利要求2所述的涵道风扇，其特征在于，进一步包括固定在所述涵道（1）内的内机匣（5），所述发动机和所述桨毂轴同轴连接地安装在所述内机匣（5）中，具有中心孔口的轮盘（6）定位在所述内机匣（5）的一端上方，所述桨毂轴穿过所述中心孔口与所述轮盘（6）接合以带动所述轮盘（6）转动，多个动叶片（4）圆周等间隔地固定在所述轮盘（6）的外缘上。A ducted fan according to claim 2, further comprising an inner casing (5) fixed in said duct (1), said engine and said hub shaft being coaxially mounted In the inner casing (5), a wheel (6) having a central orifice is positioned above one end of the inner casing (5), the hub shaft passing through the central orifice and the wheel The disk (6) is engaged to drive the rotation of the wheel (6), and a plurality of moving blades (4) are fixed at equal intervals on the outer edge of the wheel (6).
  4. 根据权利要求3所述的涵道风扇，其特征在于，所述内机匣（5）包括靠近所述进风口的第一区段（51）和靠近所述出风口的第二区段（52），其中，所述发动机安装在所述第二区段（52）内，并且所述轮盘（6）定位在所述第一区段（51）的端部上方。A ducted fan according to claim 3, wherein said inner casing (5) includes a first section (51) adjacent said air inlet and a second section (52) adjacent said air outlet Wherein the engine is mounted within the second section (52) and the wheel (6) is positioned above the end of the first section (51).
  5. 根据权利要求4所述的涵道风扇，其特征在于，还包括覆盖所述中心孔口安装在所述轮盘（6）上的整流罩（7），所述整流罩（7）定位在所述多个动叶片（4）上方且随所述多个动叶片（4）转动而转动。A ducted fan according to claim 4, further comprising a fairing (7) covering said central opening mounted on said wheel (6), said fairing (7) being positioned at said Rotating above the plurality of moving blades (4) and rotating with the plurality of moving blades (4).
  6. 根据权利要求5所述的涵道风扇，其特征在于，还包括多个静叶片（8），所述多个静叶片（8）圆周等间隔地围绕所述内机匣（5）的所述第二区段（52）设置，并且末端固定至所述涵道（1）的所述内壁。The ducted fan according to claim 5, further comprising a plurality of stator blades (8), said plurality of stator blades (8) circumferentially surrounding said inner casing (5) at equal intervals The second section (52) is disposed and the end is fixed to the inner wall of the duct (1).
  7. 根据权利要求1所述的涵道风扇，其特征在于，所述散热器（3）为环形散热器，所述环形散热器的中心轴线与所述涵道（1）的中心轴线重合。The ducted fan according to claim 1, characterized in that the radiator (3) is an annular radiator, the central axis of which coincides with the central axis of the duct (1).
  8. 根据权利要求7所述的涵道风扇，其特征在于，所述环形散热器包括多个彼此连接形成环形构造的肋片或波纹管。A ducted fan according to claim 7, wherein said annular heat sink comprises a plurality of ribs or bellows connected to each other to form an annular configuration.
  9. 根据权利要求1所述的涵道风扇，其特征在于，所述多个通孔（2）呈矩阵分布地设置于所述内壁上。The ducted fan according to claim 1, characterized in that the plurality of through holes (2) are arranged in a matrix on the inner wall.
  10. 根据权利要求1所述的涵道风扇，其特征在于，所述涵道（1）包括上下连接的第一半涵道和第二半涵道，并且在所述第一半涵道和/或所述第二半涵道内设置有所述环形空间，所述散热器可拆卸地固定在所述环形空间内。The ducted fan according to claim 1, wherein the duct (1) comprises a first half duct and a second half duct connected up and down, and in the first half duct and/or The annular space is disposed in the second half of the duct, and the heat sink is detachably fixed in the annular space.
PCT/CN2018/079753 2017-05-03 2018-03-21 Ducted fan WO2018201813A1 (en)

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CN206943088U (en) * 2017-05-03 2018-01-30 深圳光启合众科技有限公司 Ducted fan
CN109533311B (en) * 2018-11-16 2021-02-26 中国直升机设计研究所 High-performance ducted fan

Citations (4)

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Publication number Priority date Publication date Assignee Title
DE2502633C3 (en) * 1975-01-23 1980-08-07 Mtu Motoren- Und Turbinen-Union Friedrichshafen Gmbh, 7990 Friedrichshafen Ventilation arrangement
CN202006875U (en) * 2011-01-21 2011-10-12 许群伟 Ducted fan
CN103046992A (en) * 2011-12-29 2013-04-17 摩尔动力(北京)技术股份有限公司 Unpowered fan radiator
CN206943088U (en) * 2017-05-03 2018-01-30 深圳光启合众科技有限公司 Ducted fan

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2502633C3 (en) * 1975-01-23 1980-08-07 Mtu Motoren- Und Turbinen-Union Friedrichshafen Gmbh, 7990 Friedrichshafen Ventilation arrangement
CN202006875U (en) * 2011-01-21 2011-10-12 许群伟 Ducted fan
CN103046992A (en) * 2011-12-29 2013-04-17 摩尔动力(北京)技术股份有限公司 Unpowered fan radiator
CN206943088U (en) * 2017-05-03 2018-01-30 深圳光启合众科技有限公司 Ducted fan

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