CN106411089A - Hollow shaft brushless motor applied to unmanned aerial vehicles - Google Patents
Hollow shaft brushless motor applied to unmanned aerial vehicles Download PDFInfo
- Publication number
- CN106411089A CN106411089A CN201611036191.2A CN201611036191A CN106411089A CN 106411089 A CN106411089 A CN 106411089A CN 201611036191 A CN201611036191 A CN 201611036191A CN 106411089 A CN106411089 A CN 106411089A
- Authority
- CN
- China
- Prior art keywords
- bearing
- stator
- hollow shaft
- brushless motor
- unmanned vehicle
- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/22—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U30/00—Means for producing lift; Empennages; Arrangements thereof
- B64U30/20—Rotors; Rotor supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U50/00—Propulsion; Power supply
- B64U50/10—Propulsion
- B64U50/19—Propulsion using electrically powered motors
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a hollow shaft brushless motor applied to unmanned aerial vehicles, and relates to the field of mechanical devices. The motor comprises a first bearing cover, a first bearing, a stator, a second bearing, and a second bearing cover, which are connected in sequence. Rotor magnet steel is arranged on the outer wall of the stator. An outer rotor shell is arranged at the periphery of the first bearing, the stator, the rotor magnet steel and the second bearing. A first blade and a second blade are symmetrically arranged on the outer side wall of the outer rotor shell. The two axial ends of the stator are provided with stator protrusions which are symmetric about the center line of the stator. The first bearing and the second bearing are respectively fixed on the stator protrusions. The hollow shaft brushless motor of the invention is used on the tail pipe of the fixed wing of an unmanned aerial vehicle or on a multi-rotor aircraft.
Description
Technical field
The present invention relates to machinery field, more particularly, to a kind of hollow shaft brushless motor being applied to unmanned vehicle.
Background technology
Existing brushless electric machine, mostly with outer rotor based on and with axle as outfan, leads to brushless electric machine can not be fixed on tubulose
Body surface.Existing motor radiating function is not good enough, can not use in the fixed-wing of specific unmanned vehicle.Therefore need one kind badly
Brushless electric machine solves the above problems.
Content of the invention
It is an object of the invention to provide a kind of hollow shaft brushless motor being applied to unmanned vehicle, thus solve existing
Foregoing problems present in technology.
To achieve these goals, the hollow shaft brushless motor being applied to unmanned vehicle of the present invention, including sequentially
Clutch shaft bearing lid, clutch shaft bearing, stator, second bearing and the second bearing lid connecting；Rotor magnetic steel is arranged on described stator
On outer wall；Outer rotor case is arranged on the outer of described clutch shaft bearing, described stator, described rotor magnetic steel and described second bearing
Enclose；First blade and the second blade are symmetrical arranged on the lateral wall of described outer rotor case；The axial two ends setting of described stator
The stator legs symmetrical with respect to described stator center line divide；Described clutch shaft bearing and described second bearing are separately fixed at and determine
Sub- ledge.
Preferably, the lateral wall of described outer rotor case is provided for the installation blade position of fixed blades.
Preferably, clutch shaft bearing lid is fixedly connected with clutch shaft bearing, and second bearing lid is fixedly connected with second bearing.
Preferably, described rotor magnetic steel rotates with energising.
Preferably, described power line and holding wire string holes from the inner wall of hollow shaft of stator pass.
Preferably, the ledge of fixing clutch shaft bearing is shorter than the ledge of fixing second bearing, and is fixing second
It is symmetrical arranged through hole on the ledge of bearing.
The invention has the beneficial effects as follows：With outer rotor case as outfan, propeller is not integrally fixed at brushless electricity to the present invention
The two ends of machine, and be integrally fixed on the housing of outer rotor, and fixing end is different from existing brushless electric machine, and the axle of the present invention is exactly
The fixing end of brushless electric machine, and fixing end no longer rotates.
There is prominent part on stator both sides of the present invention, be respectively used to install bearing, and one end ledge is longer, on
There are two screw holes in face for the present invention is fixed on unmanned vehicle, and, rotor magnetic steel is arranged on the inner surface of rotor；Outward
Rotor case is arranged on the outermost layer of axle stator, is screwed on outer rotor lid with latter two bearing cap by way of spiral.This
Bright described stator is hollow, for being arranged on the tail pipe of unmanned fixed-wing, also can be contained on multi-rotor aerocraft.The present invention
Blade be fixed on the surface of outer rotor case.
The invention provides a kind of new power output mode, reduce the line of pull of unmanned plane.Transmission electric energy electric wire
Circuit and control operating rod are to pass through from the hollow axle of the present invention.
Brief description
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 present invention disassembles schematic diagram；
1 expression bearing cap in Fig. 2,2 expression outer rotor case, 3 expression bearings, 4 expression stators, 5 expression rotor magnetic steels, 6
Represent bearing, 7 expression bearing caps, 8 expression blades, 9 expression blades, 10 represent the position installing blade, and 11 represent that stator projects
Part, 12 string holes, 13 screw holes.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with accompanying drawing, the present invention is entered
Row further describes.It should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not used to
Limit the present invention.
Embodiment
It is applied to the hollow shaft brushless motor of unmanned vehicle, including the clutch shaft bearing lid being sequentially connected with described in the present embodiment
1st, clutch shaft bearing 3, stator 4, second bearing 6 and second bearing lid 7；Rotor magnetic steel 5 is arranged on the outer wall of described stator 4；Outward
Rotor case 2 is arranged on described clutch shaft bearing 3, the periphery of described stator 4, described rotor magnetic steel 5 and described second bearing 6；Institute
First blade 8 and the second blade 9 are symmetrical arranged on the lateral wall stating outer rotor case 2；The axial two ends setting phase of described stator 4
Divide 11 for the symmetrical stator legs of described stator 4 centrage；Described clutch shaft bearing 3 and described second bearing 6 are fixed respectively
Divide 11 in stator legs.The ledge of fixing clutch shaft bearing 3 is shorter than the ledge of fixing second bearing 6, and is fixing
It is symmetrical arranged through hole on the ledge of second bearing 6.
Wherein, the lateral wall of described outer rotor case 2 is provided for the installation blade position 10 of fixed blades.First axle
Hold lid 1 to be fixedly connected with clutch shaft bearing 3, second bearing lid 7 is fixedly connected with second bearing 6.Described rotor magnetic steel 5 turns with energising
Dynamic.Described power line and holding wire string holes 12 from the inner wall of hollow shaft of stator 4 pass.
The present invention is arranged on unmanned fixed-wing tail pipe, also may be installed on multi-rotor aerocraft.In order to obtain bearing
Low friction moment of torsion, high rigidity, good rotating accuracy, employ the steel ball of little external diameter.Quill shaft using it is ensured that lightweight
Space with distribution.Thin wall type bearing achieves the bearing section of extremely thin type, also achieves miniaturization, the lightweight thin-walled of product
The axle that lasso bearing accuracy is high, very quiet and bearing capacity very persistent erection of the penis is empty is not the outfan of power output again, due to
Axle is hollow, power line, control operating rod, and holding wire etc. all may pass through, and makes the topology layout of aircraft more succinct, profile is more
Smoothness, adds that kuppe can make drag minimization.
By using technique scheme disclosed by the invention, having obtained following beneficial effect：The present invention is with outer rotor
Housing is outfan, and propeller is not integrally fixed at the two ends of brushless electric machine, and is integrally fixed on the housing of outer rotor, and fixing
End is different from existing brushless electric machine, and the axle of the present invention is exactly the fixing end of brushless electric machine, and fixing end no longer rotates.
There is prominent part on stator both sides of the present invention, be respectively used to install bearing, and one end ledge is longer, on
There are two screw holes in face for the present invention is fixed on unmanned vehicle.And rotor magnetic steel is arranged on the inner surface of rotor.Outward
Rotor case is arranged on the outermost layer of axle stator, is screwed on outer rotor lid with latter two bearing cap by way of spiral.This
Bright stator is the tail pipe for being arranged on unmanned fixed-wing of hollow.Also can be contained on multi-rotor aerocraft.The present invention's
Blade is fixed on the surface of outer rotor case.
The invention provides a kind of new power output mode, reduce the line of pull of unmanned plane.Transmission electric energy electric wire
Circuit and control operating rod are to pass through from the hollow axle of the present invention.
The above is only the preferred embodiment of the present invention it is noted that ordinary skill people for the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
Depending on protection scope of the present invention.
Claims (6)
1. a kind of hollow shaft brushless motor being applied to unmanned vehicle is it is characterised in that include the clutch shaft bearing being sequentially connected with
Lid (1), clutch shaft bearing (3), stator (4), second bearing (6) and second bearing lid (7)；It is described fixed that rotor magnetic steel (5) is arranged on
On the outer wall of sub (4)；Outer rotor case (2) is arranged on described clutch shaft bearing (3), described stator (4), described rotor magnetic steel (5)
Periphery with described second bearing (6)；
First blade (8) and the second blade (9) are symmetrical arranged on the lateral wall of described outer rotor case (2)；
The stator legs that the axial two ends setting of described stator (4) is symmetrical with respect to described stator (4) centrage divide；Described
One bearing (3) and described second bearing (6) are separately fixed at stator legs and divide.
2. it is applied to the hollow shaft brushless motor of unmanned vehicle according to claim 1 it is characterised in that described outer rotor
The installation blade position (10) of fixed blades is provided on the lateral wall of housing (2).
3. it is applied to the hollow shaft brushless motor of unmanned vehicle according to claim 1 it is characterised in that clutch shaft bearing lid
(1) it is fixedly connected with clutch shaft bearing (3), second bearing lid (7) is fixedly connected with second bearing (6).
4. it is applied to the hollow shaft brushless motor of unmanned vehicle according to claim 1 it is characterised in that described rotor magnetic
Steel (5) rotates with energising.
5. it is applied to the hollow shaft brushless motor of unmanned vehicle according to claim 1 it is characterised in that described power line
From the inner wall of hollow shaft of stator (4), string holes (12) passes with holding wire.
6. it is applied to the hollow shaft brushless motor of unmanned vehicle according to claim 1 it is characterised in that fixing first axle
The ledge holding (3) is shorter than the ledge of fixing second bearing (6), and on the ledge of fixing second bearing (6)
It is symmetrical arranged through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611036191.2A CN106411089B (en) | 2016-11-23 | 2016-11-23 | Be applied to unmanned vehicles's hollow shaft brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611036191.2A CN106411089B (en) | 2016-11-23 | 2016-11-23 | Be applied to unmanned vehicles's hollow shaft brushless motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106411089A true CN106411089A (en) | 2017-02-15 |
| CN106411089B CN106411089B (en) | 2020-01-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611036191.2A Active CN106411089B (en) | 2016-11-23 | 2016-11-23 | Be applied to unmanned vehicles's hollow shaft brushless motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN106411089B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110912287A (en) * | 2018-09-17 | 2020-03-24 | 天津天瑞博科技有限公司 | Hollow outer rotor motor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203774949U (en) * | 2014-03-26 | 2014-08-13 | 伊比虎模型有限公司 | Shock-proof outer rotor motor |
| US20160137298A1 (en) * | 2013-03-14 | 2016-05-19 | Curtis Youngblood | Multi-Rotor Aircraft |
| CN105836123A (en) * | 2016-03-29 | 2016-08-10 | 普宙飞行器科技（深圳）有限公司 | Blade power device and unmanned aerial vehicle |
| CN205499353U (en) * | 2016-02-06 | 2016-08-24 | 普宙飞行器科技（深圳）有限公司 | Ultra -thin motor with paddle |
-
2016
- 2016-11-23 CN CN201611036191.2A patent/CN106411089B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160137298A1 (en) * | 2013-03-14 | 2016-05-19 | Curtis Youngblood | Multi-Rotor Aircraft |
| CN203774949U (en) * | 2014-03-26 | 2014-08-13 | 伊比虎模型有限公司 | Shock-proof outer rotor motor |
| CN205499353U (en) * | 2016-02-06 | 2016-08-24 | 普宙飞行器科技（深圳）有限公司 | Ultra -thin motor with paddle |
| CN105836123A (en) * | 2016-03-29 | 2016-08-10 | 普宙飞行器科技（深圳）有限公司 | Blade power device and unmanned aerial vehicle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110912287A (en) * | 2018-09-17 | 2020-03-24 | 天津天瑞博科技有限公司 | Hollow outer rotor motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106411089B (en) | 2020-01-21 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Hollow shaft brushless motor for unmanned aerial vehicle Effective date of registration: 20210823 Granted publication date: 20200121 Pledgee: Zhongguancun Beijing technology financing Company limited by guarantee Pledgor: CHINA SCIENCE MAPUNIVERSE TCHNDOGY Co.,Ltd. Registration number: Y2021990000754 |
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