CN106063089A - Electric motor, power device and unmanned aircraft using the power device - Google Patents
Electric motor, power device and unmanned aircraft using the power device Download PDFInfo
- Publication number
- CN106063089A CN106063089A CN201580004247.3A CN201580004247A CN106063089A CN 106063089 A CN106063089 A CN 106063089A CN 201580004247 A CN201580004247 A CN 201580004247A CN 106063089 A CN106063089 A CN 106063089A
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- China
- Prior art keywords
- rotating shaft
- inner ring
- pedestal
- outer ring
- rotor
- Prior art date
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 88
- 239000000463 material Substances 0.000 claims description 33
- 239000003292 glue Substances 0.000 claims description 26
- 229920000297 Rayon Polymers 0.000 claims description 24
- 230000000903 blocking effect Effects 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004540 process dynamic Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C43/00—Assembling bearings
- F16C43/04—Assembling rolling-contact bearings
- F16C43/06—Placing rolling bodies in cages or bearings
- F16C43/08—Placing rolling bodies in cages or bearings by deforming the cages or the races
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
- H02K5/1732—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings radially supporting the rotary shaft at both ends of the rotor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/04—Helicopters
- B64C27/12—Rotor drives
- B64C27/14—Direct drive between power plant and rotor hub
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
- B64U10/10—Rotorcrafts
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2101/00—UAVs specially adapted for particular uses or applications
- B64U2101/30—UAVs specially adapted for particular uses or applications for imaging, photography or videography
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Manufacture Of Motors, Generators (AREA)
- Motor Or Generator Frames (AREA)
Abstract
Disclosed are an electric motor, a power device using the electric motor and an unmanned aircraft. The unmanned aircraft comprises an aircraft body, an electric motor provided on the aircraft body, and a propeller provided on the electric motor. The electric motor comprises a base, a rotor, a rotating shaft and a bearing. The rotor is rotatably sheathed on the base, the rotating shaft has one end thereof fixedly provided on the rotor, and the other end rotatably connected to the base via the bearing. The propeller is connected to the rotating shaft. The bearing comprises an inner ring, an outer ring and a roller, wherein the inner ring is fixedly sheathed on the rotating shaft, the outer ring is fixed provided on the base and surrounds the inner ring, and the roller is movably provided between the inner ring and the outer ring. The outer ring and the base are connected by means of an interference fit. The operation noises of the above-mentioned unmanned aircraft and the electric motor thereof are relatively small.
Description
Technical field
The present invention relates to a kind of motor, use the power set of this motor and use the unmanned vehicle of these power set.
Background technology
Brushless electric machine is because of low-loss, low noise, smooth movements and the advantage of life-span length, in electromechanical integration application
In be widely used.Generally, brushless electric machine includes that pedestal, the stator being located on this pedestal and rotation are located on this stator
Rotor.It is usually provided with bearing, to reduce rubbing when relatively rotating between this stator and this rotor between this stator and this rotor
Wipe.Due to the end-play that bearing is intrinsic, when this stator and this rotor relatively rotate, meeting moving radially with trace,
Causing brushless electric machine operating the most unstable, vibrations noise is bigger.
Summary of the invention
In view of above-mentioned condition, it is necessary to provide the motor that a kind of running noises is relatively small, there is a need to provide one to make
With the power set of this motor and the unmanned vehicle that uses these power set.
A kind of motor, it includes pedestal, rotor, rotating shaft and bearing.Described rotor covers at outside described pedestal rotationally,
One end of described rotating shaft is fixedly arranged on described rotor, and the other end is rotationally connected with described pedestal by described bearing
On.Described bearing includes that inner ring, outer ring and roller, described inner ring fixed cover are located in described rotating shaft, and described outer ring is fixedly installed
On described pedestal and be surrounded on outside described inner ring, described roller is movably disposed between described inner ring and described outer ring.
Wherein, it is connected by interference fit between described outer ring with described pedestal.
Further, the interference fit between described outer ring and described pedestal is: basic deviation is the basic shaft system mistake of T
It is full of cooperation.
Further, described outer ring shifts to install vertically with described inner ring, enables described roller to be held in institute simultaneously
State on the inwall of outer ring and the outer wall of described inner ring.
Further, the distance between described inner ring and an end of described rotating shaft, with described outer ring and described rotating shaft
Described end between distance differ.
Further, the outer wall of described inner ring is provided with the first accepting groove, correspondence described first on the inwall of described outer ring
Accepting groove is provided with the second accepting groove；A receiving space, institute it is collectively forming between described first accepting groove and described second accepting groove
State roller to be contained in described receiving space, and respectively with the sidewall of described first accepting groove and the sidewall of described second accepting groove
Abut against.
Further, described rotor includes that perisporium and diapire, described perisporium cover at outside described pedestal, described diapire lid
Being located at described perisporium one end away from described pedestal, described rotating shaft is fixing with described diapire to be connected.
Further, described rotor also includes that multiple magnet, multiple described magnets are fixedly arranged at the interior of described perisporium
Support, and along the circumferentially-spaced spread configuration of described perisporium.
Further, described diapire deviates from the side of described pedestal and is provided with storage tank, is provided with and joins in described storage tank
Heavy burder, described counterweight material is in order to carry out dynamic balance calibration to described rotor.
Further, described counterweight material is to stick to the ultraviolet light viscose glue on the sidewall of described storage tank.
Further, in described counterweight material is bonded in a region of described storage tank or in multiple discontinuous region.
Further, described storage tank includes sidewall consecutive with described perisporium, and described sidewall is in described diapire
Position, portion is bent to form a blocking part, and interval is arranged by the diapire of described blocking part and described storage tank.
Further, it is connected by interference fit between described inner ring with described rotating shaft, and described inner ring and described rotating shaft
Between be provided with viscose glue, described viscose glue is for fixing the described inner ring relative installation position with described rotating shaft.
Further, described pedestal includes pedestal and is arranged at the fixed part on described pedestal, and described rotating shaft is arranged in institute
Stating fixed part, described bearing is arranged between described fixed part and described rotating shaft, and described rotor cap is located at outside described fixed part.
Further, described motor also includes that stator, described stator include the installing being fixedly installed on described fixed part
Part and be set around the coil on described installing part, described rotor cap is located at outside described coil.
A kind of power set, including motor and be arranged at the propeller on described motor, described motor includes pedestal, turns
Son, rotating shaft and bearing.Described rotor covers at outside described pedestal rotationally, and one end of described rotating shaft is fixedly arranged at described
On rotor, the other end is rotationally connected with on described pedestal by described bearing.Described propeller is connected in described rotating shaft.Institute
Stating bearing and include that inner ring, outer ring and roller, described inner ring fixed cover are located in described rotating shaft, described outer ring is fixedly installed on described
On pedestal and be surrounded on outside described inner ring, described roller is movably disposed between described inner ring and described outer ring.Wherein, institute
State and be connected by interference fit between outer ring with described pedestal.
Further, the interference fit between described outer ring and described pedestal is: basic deviation is the basic shaft system mistake of T
It is full of cooperation.
Further, described outer ring shifts to install vertically with described inner ring, enables described roller to be held in institute simultaneously
State on the inwall of outer ring and the outer wall of described inner ring.
Further, the distance between described inner ring and an end of described rotating shaft, with described outer ring and described rotating shaft
Described end between distance differ.
Further, the outer wall of described inner ring is provided with the first accepting groove, correspondence described first on the inwall of described outer ring
Accepting groove is provided with the second accepting groove；A receiving space, institute it is collectively forming between described first accepting groove and described second accepting groove
State roller to be contained in described receiving space, and respectively with the sidewall of described first accepting groove and the sidewall of described second accepting groove
Abut against.
Further, described rotor includes that perisporium and diapire, described perisporium cover at outside described pedestal, described diapire lid
Being located at described perisporium one end away from described pedestal, described rotating shaft is fixing with described diapire to be connected.
Further, described rotor also includes that multiple magnet, multiple described magnets are fixedly arranged at the interior of described perisporium
Support, and along the circumferentially-spaced spread configuration of described perisporium.
Further, described diapire deviates from the side of described pedestal and is provided with storage tank, is provided with and joins in described storage tank
Heavy burder, described counterweight material is in order to carry out dynamic balance calibration to described rotor.
Further, described counterweight material is to stick to the ultraviolet light viscose glue on the sidewall of described storage tank.
Further, in described counterweight material is bonded in a region of described storage tank or in multiple discontinuous region.
Further, described storage tank includes sidewall consecutive with described perisporium, and described sidewall is in described diapire
Position, portion is bent to form a blocking part, and interval is arranged by the diapire of described blocking part and described storage tank.
Further, it is connected by interference fit between described inner ring with described rotating shaft, and described inner ring and described rotating shaft
Between be provided with viscose glue, described viscose glue is for fixing the described inner ring relative installation position with described rotating shaft.
Further, described pedestal includes pedestal and is arranged at the fixed part on described pedestal, and described rotating shaft is arranged in institute
Stating fixed part, described bearing is arranged between described fixed part and described rotating shaft, and described rotor cap is located at outside described fixed part.
Further, described motor also includes that stator, described stator include the installing being fixedly installed on described fixed part
Part and be set around the coil on described installing part, described rotor cap is located at outside described coil.
A kind of unmanned vehicle, it includes aircraft body, the motor being arranged on described aircraft body and is arranged at
Propeller on described motor.Described motor includes pedestal, rotor, rotating shaft and bearing.Described rotor covers at institute rotationally
Stating outside pedestal, one end of described rotating shaft is fixedly arranged on described rotor, and the other end is rotationally connected with by described bearing
On described pedestal.Described propeller is connected in described rotating shaft.Described bearing includes inner ring, outer ring and roller, and described inner ring is solid
Surely being sheathed in described rotating shaft, described outer ring is fixedly installed on described pedestal and is surrounded on outside described inner ring, and described roller can
It is arranged at actively between described inner ring and described outer ring.Wherein, between described outer ring and described pedestal by interference fit even
Connect.
Further, the interference fit between described outer ring and described pedestal is: basic deviation is the basic shaft system mistake of T
It is full of cooperation.
Further, described outer ring shifts to install vertically with described inner ring, enables described roller to be held in institute simultaneously
State on the inwall of outer ring and the outer wall of described inner ring.
Further, the distance between described inner ring and an end of described rotating shaft, with described outer ring and described rotating shaft
Described end between distance differ.
Further, the outer wall of described inner ring is provided with the first accepting groove, correspondence described first on the inwall of described outer ring
Accepting groove is provided with the second accepting groove；A receiving space, institute it is collectively forming between described first accepting groove and described second accepting groove
State roller to be contained in described receiving space, and respectively with the sidewall of described first accepting groove and the sidewall of described second accepting groove
Abut against.
Further, described rotor includes that perisporium and diapire, described perisporium cover at outside described pedestal, described diapire lid
Being located at described perisporium one end away from described pedestal, described rotating shaft is fixing with described diapire to be connected.
Further, described rotor also includes that multiple magnet, multiple described magnets are fixedly arranged at the interior of described perisporium
Support, and along the circumferentially-spaced spread configuration of described perisporium.
Further, described diapire deviates from the side of described pedestal and is provided with storage tank, is provided with and joins in described storage tank
Heavy burder, described counterweight material is in order to carry out dynamic balance calibration to described rotor.
Further, described counterweight material is to stick to the ultraviolet light viscose glue on the sidewall of described storage tank.
Further, in described counterweight material is bonded in a region of described storage tank or in multiple discontinuous region.
Further, described storage tank includes sidewall consecutive with described perisporium, and described sidewall is in described diapire
Position, portion is bent to form a blocking part, and described blocking part is arranged with the diapire relative spacing of described storage tank.
Further, it is connected by interference fit between described inner ring with described rotating shaft, and described inner ring and described rotating shaft
Between be provided with viscose glue, described viscose glue is for fixing the described inner ring relative installation position with described rotating shaft.
Further, described pedestal includes pedestal and is arranged at the fixed part on described pedestal, and described rotating shaft is arranged in institute
Stating fixed part, described bearing is arranged between described fixed part and described rotating shaft, and described rotor cap is located at outside described fixed part.
Further, described motor also includes that stator, described stator include the installing being fixedly installed on described fixed part
Part and be set around the coil on described installing part, described rotor cap is located at outside described coil.
The motor of above-mentioned unmanned vehicle, while being fixedly installed in described rotating shaft by the inner ring of described bearing, by institute
State outer ring to be connected by interference fit and described pedestal are fixing, make described outer ring that shape radially to occur under the extruding of described pedestal
Become, thus the aperture of described outer ring is shunk, so that the spacing between described outer ring and described inner ring reduces.That is, described bearing
End-play reduces, and makes described inner ring and described outer ring when relatively rotating, and reduce between inner ring with outer ring is relative
Move radially, make the rotation between inner ring and outer ring more steady, reduce the rotational noise of motor.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the unmanned vehicle of embodiment of the present invention.
Fig. 2 is the assembling stereogram of the motor of unmanned vehicle shown in Fig. 1.
Fig. 3 is the three-dimensional exploded view of motor shown in Fig. 2.
Fig. 4 is the three-dimensional cutaway view of motor shown in Fig. 3.
Fig. 5 is the three-dimensional cutaway view of motor shown in Fig. 2.
Fig. 6 is the enlarged diagram of the bearing of motor shown in Fig. 3.
Main element symbol description
Following detailed description of the invention will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
It should be noted that when assembly is referred to as " being fixed on " another assembly, and it can be directly on another assembly
Or assembly placed in the middle can also be there is.When an assembly is considered as " connection " another assembly, and it can be to be directly connected to
To another assembly or may be simultaneously present assembly placed in the middle.When an assembly is considered as " being arranged at " another assembly, it
Can be to be set directly on another assembly or may be simultaneously present assembly placed in the middle.Term as used herein is " vertical
", " level ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, all of technology used herein and scientific terminology and the technical field belonging to the present invention
The implication that technical staff is generally understood that is identical.The term used the most in the description of the invention is intended merely to describe tool
The purpose of the embodiment of body, it is not intended that in limiting the present invention.Term as used herein " and/or " include one or more phase
Arbitrary and all of combination of the Listed Items closed.
Referring to Fig. 1, the unmanned vehicle 500 of one embodiment of the present invention, it is used for carrying camera, photographing unit etc.
Electronic installation (not shown) is photographed.Described unmanned vehicle 500 includes aircraft body 510, is arranged at aircraft originally
Motor 100 on body 510 and the propeller 200 being arranged on motor 100.Motor 100 is used for driving 200 turns of described propeller
Dynamic, thus drive described unmanned vehicle 500 to fly.Described motor 100 can be multiple, and multiple motors 100 are respectively arranged at
On described aircraft body 510.
Please refer to Fig. 2 and Fig. 3, in the present embodiment, described motor 100 is brushless electric machine, and it includes pedestal 10, consolidates
Surely the stator 30, the rotor 50 being rotatably connected on pedestal 10 that are arranged on pedestal 10 and be arranged on rotor 50
Rotating assembly 90.
Described pedestal 10 includes pedestal 11 and is arranged at the fixed part 12 on described pedestal 11.
Described pedestal 11 is the most in the form of annular discs, and described fixed part 12 is substantially in cylindrical tube shape.Described fixed part 12 is positioned at institute
Stating the approximate mid-section position of pedestal 11, and protrude from the described pedestal 11 side surface towards described stator 30, it is used for installing
And fix described stator 30.Described fixed part 12 along it axially through offering accepting hole 121.Accepting hole 121 runs through seat simultaneously
Body 11, it is for housing the part-structure of rotating assembly 90.
Stator 30 is arranged on fixed part 12, and it includes installing part 32 and being set around the coil installed on part 32 (scheming not
Illustrate).
Described installing part 32 includes sleeved part 321 and the support 323 being formed in sleeved part 321.Described sleeved part
321 substantially in cylindrical tube shape, and it is sheathed on fixed part 12 regularly, and is stacked and placed on accordingly on pedestal 11.Described support
323 can be multiple, and multiple supports 323 are arranged at the periphery wall of sleeved part 321, and along the circumferentially-spaced row of sleeved part 321
Row are arranged.Support 323 is used for supporting described coil (not shown).Described coil can be multiple, each described coil around
It is located on a support 323.
Further, each support 323 forms a stopper section 325 away from the end of described sleeved part 321.Each
The size of individual stopper section 325 is more than the size of corresponding support 323 end, to prevent the described coil (not shown) of correspondence
Depart from corresponding support 323.
Please refer to Fig. 4 and Fig. 5, described rotor 50 covers at installing part 32 periphery, and it includes yoke 52 and is arranged at
Magnet 54 in yoke 52.
Described yoke 52 is substantially in having the cylindrical tube shape of diapire, and it covers at installing part 32 periphery rotationally.Described
Yoke 52 includes perisporium 521 and is arranged at the diapire 523 of perisporium 521 one end.
Described perisporium 521 is substantially in cylindrical tube shape, and it is used for installing magnet 54.
Described diapire 523 is covered on perisporium 521 one end away from pedestal 11.The approximate mid-section position of diapire 523 offers
Through hole 5231, through hole 5231 is used for installing rotating assembly 90.Diapire 523 deviates from the side of perisporium 521 and offers storage tank 5233,
Storage tank 5233 is for housing a counterweight material (not shown).Described counterweight material is for carrying out dynamic balance calibration to rotor 50.
In the present embodiment, this counterweight material is viscose glue, and specifically, this viscose glue is ultraviolet cured adhesive, and such as this glues
Glue is three keys (Three Bond) 3084 ultraviolet cured adhesives, and its proportion is 2.2, i.e. this ultraviolet cured adhesive density is
2200KG/M3.The proportion being appreciated that this ultraviolet cured adhesive can be other numerical value more than or equal to 2 so that is waiting matter
In the case of amount, the small volume of viscose glue, thus the taking up room of less viscose glue.Certainly, counterweight material can also be other viscose glues.
In the present embodiment, in described counterweight material is arranged at a region of described storage tank 5233 or multiple discontinuously
Region in, to increase the rotor 50 weight at described counterweight material, make rotor 50 entirety rotate time dynamic balancing meet want
Ask, so that rotor 50 stability of rotation, reduce the running noises of brushless electric machine 100.
Further, described storage tank 5233 includes and the described consecutive sidewall of perisporium 521 5235, and sidewall 5235 is to institute
The approximate mid-section position stating diapire 523 is bent to form a blocking part 5237, and blocking part 5237 is alternate with the diapire of storage tank 5233
Every.When described rotor 50 rotates, the described counterweight material being contained in described storage tank 5233 is due to by centrifugal action, energy
Enough closely press on described sidewall 5235, prevent described counterweight material from coming off because of rotation.Simultaneously because blocking part 5237 is to institute
Stating keeping out and clamping effect of counterweight material, the setting making described counterweight material further is the most firm, and therefore, rotor 50 entirety is turning
Dynamic balancing time dynamic disclosure satisfy that requirement, and the rotation making rotor 50 is relatively steady, reduces the rotor 50 shake in rotation process
Dynamic, reduce the running noises of brushless electric machine 100.
Described magnet 54 can be multiple, and multiple magnets 54 are fixedly arranged at the inner side of the perisporium 521 of yoke 52, and edge
The circumferentially-spaced spread configuration of perisporium 521.Each magnet 54 is corresponding to a described coil (not shown).
Described rotating assembly 90 includes rotating shaft 92 and the bearing 94 being arranged in rotating shaft.
Rotating shaft 92 is substantially shaft-like in cylinder, and its one end is inserted in the through hole 5231 of described diapire 523 regularly, and the other end can
It is arranged in rotationally in the fixed part 12 of pedestal 10.When described motor 100 is energized operation, described rotor 50 drives described rotating shaft
Assembly 90 rotates relative to described stator 30 and described pedestal 10.
In the present embodiment, described bearing 94 can be two, and two bearings 94 are intervally installed in rotating shaft 92,
And be contained in the accepting hole 121 of described fixed part 12.In the present embodiment, bearing 94 is ball bearing, and it includes coaxially setting
The inner ring 941 put and outer ring 943, and the roller 945 being arranged between inner ring 941 and outer ring 943.Inner ring 941 overlaps regularly
Being located in rotating shaft 92, outer ring 943 is fixedly arranged on the inwall of described accepting hole 121 and is surrounded on outside inner ring 941, roller
945 are movably disposed between inner ring 941 and outer ring 943.
Further, described inner ring 941 is connected by interference fit is fixing with described rotating shaft 92, described inner ring 941 and institute
State and be additionally provided with viscose glue between rotating shaft 92, with the relative installation position of the most fixing inner ring 941 with rotating shaft 92.
Further, described outer ring 943 is connected by interference fit is fixing with described fixed part 12, makes outer ring 943 in institute
Under the extruding of the inwall stating accepting hole 121, radially there is the deformation of trace, thus the aperture of outer ring 943 is shunk, so that outer ring
Spacing between 943 and inner ring 941 reduces.That is, the end-play of bearing 94 reduces, and makes inner ring 941, with outer ring 943, phase occur
To when rotating, relatively radially moving inner ring 941 and outer ring 943 between has been reduced or eliminated, make inner ring 941 and outer ring 943 it
Between rotation more steady, reduce rotational noise.
In the present embodiment, the interference fit relation between described outer ring 943 and described fixed part 12 is: basic deviation
Being the basic shaft system interference fit of T, specifically, its magnitude of interference is 0.007～0.012 millimeter.It is appreciated that described interference fit is closed
The basic deviation of system can also be chosen as R, S, U etc..
Further, described outer ring 943 shifts to install vertically with described inner ring 941, make outer ring 943 and inner ring 941 it
Between roller 945 can be held on the inwall of outer ring 943 and the outer wall of inner ring 941 simultaneously, thus further reduce inner ring 941
With outer ring 943 when relatively rotating, the noise that roller 945 sends with outer ring 943 because of collision inner ring 941.
Please refer to Fig. 6, specifically, the outer wall of described inner ring 941 is concavely provided with the first accepting groove 9411, described outside
On the inwall of circle 943, corresponding first accepting groove 9411 is arranged with the second accepting groove 9431.First accepting groove 9411 and second houses
Groove 9431 is substantially oppositely arranged, and is collectively forming therebetween a receiving space 947.Receiving space 947 is in order to house described roller
945.When bearing 94 is sheathed in rotating shaft 92, inner ring 941 and rotating shaft 92 are more than outer ring away from the distance between the end of rotor 50
943 and rotating shaft 92 away from the distance between the end of rotor 50, make described outer ring 943 misplace vertically with described inner ring 941 and set
Put, and then, the first accepting groove 9411 is connected on roller 945 away from the side of rotor 50, and the second accepting groove 9431 is close simultaneously
The side of rotor 50 is connected on roller 945, it is to avoid roller 945 sends because of collision inner ring 941 and outer ring 943 when rolling
Noise.
Be appreciated that when described outer ring 943 and described inner ring 941 shift to install vertically so that inner ring 941 with turn
Axle 92 is less than outer ring 943 and rotating shaft 92 away from the distance between the end of rotor 50 away from the distance between the end of rotor 50.
That is, make inner ring 941 and outer ring 943 differ relative to the installation position of described rotating shaft 92 in the axial direction, make described roller
945 when being contained in described receiving space 947, roller 945 respectively with the sidewall and described second of described first accepting groove 9411
The sidewall of accepting groove 9431 abuts against.
When assembling the motor 100 of present embodiment, first, described coil (not shown) is set around on installing part 32,
Installing part 32 is fixedly arranged on fixed part 12.Then, magnet 54 is installed in yoke 52, then by rotating assembly 90
One end of rotating shaft 92 is inserted on the diapire 523 of rotor 50.Finally, by the other end and the bearing 94 of the rotating shaft 92 of rotating assembly 90
It is contained in fixed part 12, makes yoke 52 rotating mask be located at stator 30 periphery.
The motor 100 of the unmanned vehicle 500 of present embodiment, is fixedly installed on rotating shaft 92 by the inner ring 941 of bearing 94
While on, outer ring 943 be connected by interference fit is fixing with described fixed part 12, make outer ring 943 at described accepting hole 121
Inwall extruding under radially there is the deformation of trace, thus the aperture of outer ring 943 is shunk, so that outer ring 943 and inner ring 941
Between spacing reduce.That is, the end-play of bearing 94 reduces, and makes inner ring 941 and outer ring 943 when relatively rotating, subtracts
Little or eliminate relatively radially moving between inner ring 941 and outer ring 943, make the rotation between inner ring 941 and outer ring 943 more flat
Surely, the rotational noise of motor 100 is reduced.
It addition, described outer ring 943 shifts to install vertically with described inner ring 941, make between outer ring 943 and inner ring 941
Roller 945 can be held on the inwall of outer ring 943 and the outer wall of inner ring 941 simultaneously, thus reduces inner ring 941 further with outer
Circle 943 is when relatively rotating, and roller 945 is because colliding the noise that inner ring 941 sends with outer ring 943.
Further, described counterweight material is arranged on described rotor 50, increases the rotor 50 weight at described counterweight material,
Make the dynamic balancing when rotating of rotor 50 entirety meet requirement, so that rotor 50 stability of rotation, reduce brushless further
The running noises of motor 100.
Embodiment of above is only in order to illustrate technical scheme and unrestricted, although with reference to above preferably embodiment party
The present invention has been described in detail by formula, it will be understood by those within the art that, can be to technical scheme
Modify or equivalent the most should not depart from the spirit and scope of technical solution of the present invention.
Claims (42)
1. a motor, it includes pedestal and covers at the rotor outside described pedestal rotationally, it is characterised in that: described electricity
Machine also includes rotating shaft and is arranged at the bearing in described rotating shaft；One end of described rotating shaft is fixedly arranged on described rotor, separately
One end is rotationally connected with on described pedestal by described bearing；
Described bearing includes that inner ring, outer ring and roller, described inner ring fixed cover are located in described rotating shaft, and described outer ring is fixedly installed
On described pedestal and be surrounded on outside described inner ring, described roller is movably disposed between described inner ring and described outer ring；
Wherein, it is connected by interference fit between described outer ring with described pedestal.
2. motor as claimed in claim 1, it is characterised in that: the interference fit between described outer ring and described pedestal
For: basic deviation is the basic shaft system interference fit of T.
3. motor as claimed in claim 1, it is characterised in that: described outer ring shifts to install vertically with described inner ring, makes institute
State roller can be held on the inwall of described outer ring and the outer wall of described inner ring simultaneously.
4. motor as claimed in claim 3, it is characterised in that: between described inner ring and an end of described rotating shaft away from
From, and the distance between described outer ring and the described end of described rotating shaft differs.
5. motor as claimed in claim 4, it is characterised in that: the outer wall of described inner ring is provided with the first accepting groove, described outside
On the inwall of circle, corresponding described first accepting groove is provided with the second accepting groove；Between described first accepting groove and described second accepting groove
Being collectively forming a receiving space, described roller is contained in described receiving space, and respectively with the sidewall of described first accepting groove
And the sidewall of described second accepting groove abuts against.
6. motor as claimed in claim 1, it is characterised in that: described rotor includes that perisporium and diapire, described perisporium cover at
Outside described pedestal, described diapire is covered on described perisporium one end away from described pedestal, and described rotating shaft is fixed with described diapire
Connect.
7. motor as claimed in claim 6, it is characterised in that: described rotor also includes multiple magnet, and multiple described magnets are solid
Surely the internal stay of described perisporium it is arranged at, and along the circumferentially-spaced spread configuration of described perisporium.
8. motor as claimed in claim 6, it is characterised in that: described diapire deviates from the side of described pedestal and is provided with accommodating
Groove, is provided with counterweight material in described storage tank, described counterweight material is in order to carry out dynamic balance calibration to described rotor.
9. motor as claimed in claim 8, it is characterised in that: described counterweight material is to stick on the sidewall of described storage tank
Ultraviolet light viscose glue.
10. motor as claimed in claim 9, it is characterised in that: described counterweight material is bonded in a region of described storage tank
In or multiple discontinuous region in.
11. motors as claimed in claim 8, it is characterised in that: described storage tank includes sidewall consecutive with described perisporium,
Described sidewall is bent to form a blocking part to the medium position of described diapire, and described blocking part is relative with the diapire of described storage tank
Interval is arranged.
12. motors as claimed in claim 1, it is characterised in that: between described inner ring and described rotating shaft by interference fit even
Connecing, and be provided with viscose glue between described inner ring and described rotating shaft, described viscose glue is for fixing the described inner ring phase with described rotating shaft
To installation position.
13. motors as claimed in claim 1, it is characterised in that: described pedestal includes pedestal and is arranged on described pedestal
Fixed part, described rotating shaft is arranged in described fixed part, and described bearing is arranged between described fixed part and described rotating shaft, described turn
Son covers at outside described fixed part.
14. motors as claimed in claim 13, it is characterised in that: described motor also includes that stator, described stator include fixing
Be arranged on described fixed part installs part and is set around the coil on described installing part, and described coil is located at by described rotor cap
Outward.
15. 1 kinds of power set, including motor and be arranged at the propeller on described motor, described motor includes pedestal and can
Cover at the rotor outside described pedestal rotationally, it is characterised in that: described motor also includes rotating shaft and is arranged in described rotating shaft
Bearing；One end of described rotating shaft is fixedly arranged on described rotor, and the other end is rotationally connected with institute by described bearing
State on pedestal；
Described propeller is connected in described rotating shaft；Described bearing includes that inner ring, outer ring and roller, described inner ring fixed cover are located at
In described rotating shaft, described outer ring is fixedly installed on described pedestal and is surrounded on outside described inner ring, and described roller sets movably
It is placed between described inner ring and described outer ring；
Wherein, it is connected by interference fit between described outer ring with described pedestal.
16. power set as claimed in claim 15, it is characterised in that: the interference fit between described outer ring and described pedestal
Mode is: basic deviation is the basic shaft system interference fit of T.
17. power set as claimed in claim 15, it is characterised in that: described outer ring misplaces vertically with described inner ring and sets
Put, enable described roller to be held on the inwall of described outer ring and the outer wall of described inner ring simultaneously.
18. power set as claimed in claim 17, it is characterised in that: between described inner ring and an end of described rotating shaft
Distance, and the distance between described outer ring and the described end of described rotating shaft differs.
19. power set as claimed in claim 18, it is characterised in that: the outer wall of described inner ring is provided with the first accepting groove,
On the inwall of described outer ring, corresponding described first accepting groove is provided with the second accepting groove；Described first accepting groove houses with described second
Being collectively forming a receiving space between groove, described roller is contained in described receiving space, and respectively with described first accepting groove
Sidewall and the sidewall of described second accepting groove abut against.
20. power set as claimed in claim 15, it is characterised in that: described rotor includes perisporium and diapire, described perisporium
Covering at outside described pedestal, described diapire is covered on described perisporium one end away from described pedestal, described rotating shaft and the described end
Wall is fixing to be connected.
21. power set as claimed in claim 20, it is characterised in that: described rotor also includes multiple magnet, multiple described
Magnet is fixedly arranged at the internal stay of described perisporium, and along the circumferentially-spaced spread configuration of described perisporium.
22. power set as claimed in claim 20, it is characterised in that: described diapire deviates from the side of described pedestal and is provided with
Storage tank, is provided with counterweight material in described storage tank, described counterweight material is in order to carry out dynamic balance calibration to described rotor.
23. power set as claimed in claim 22, it is characterised in that: described counterweight material is the side sticking to described storage tank
Ultraviolet light viscose glue on wall.
24. power set as claimed in claim 23, it is characterised in that: described counterweight material is bonded in of described storage tank
In region or in multiple discontinuous region.
25. power set as claimed in claim 22, it is characterised in that: described storage tank includes consecutive with described perisporium
Sidewall, described sidewall is bent to form the end of a blocking part, described blocking part and described storage tank to the medium position of described diapire
Wall relative spacing is arranged.
26. power set as claimed in claim 15, it is characterised in that: joined by interference between described inner ring and described rotating shaft
Closing and connect, and be provided with viscose glue between described inner ring and described rotating shaft, described viscose glue is used for fixing described inner ring and described rotating shaft
Relative installation position.
27. power set as claimed in claim 15, it is characterised in that: described pedestal includes pedestal and is arranged at described pedestal
On fixed part, described rotating shaft is arranged in described fixed part, and described bearing is arranged between described fixed part and described rotating shaft, institute
State rotor cap to be located at outside described fixed part.
28. power set as claimed in claim 27, it is characterised in that: described motor also includes that stator, described stator include
Be fixedly installed on described fixed part installs part and is set around the coil on described installing part, and described line is located at by described rotor cap
Outside circle.
29. 1 kinds of unmanned vehicles, it includes aircraft body, the motor being arranged on described aircraft body and is arranged at institute
Stating the propeller on motor, described motor includes pedestal and covers at the rotor outside described pedestal rotationally, and its feature exists
In:
Described motor also includes rotating shaft and is arranged at the bearing in described rotating shaft；One end of described rotating shaft is fixedly arranged at described
On rotor, the other end is rotationally connected with on described pedestal by described bearing；
Described propeller is connected in described rotating shaft；Described bearing includes that inner ring, outer ring and roller, described inner ring fixed cover are located at
In described rotating shaft, described outer ring is fixedly installed on described pedestal and is surrounded on outside described inner ring, and described roller sets movably
It is placed between described inner ring and described outer ring；
Wherein, it is connected by interference fit between described outer ring with described pedestal.
30. unmanned vehicles as claimed in claim 29, it is characterised in that: the interference between described outer ring and described pedestal is joined
Conjunction mode is: basic deviation is the basic shaft system interference fit of T.
31. unmanned vehicles as claimed in claim 29, it is characterised in that: described outer ring misplaces vertically with described inner ring and sets
Put, enable described roller to be held on the inwall of described outer ring and the outer wall of described inner ring simultaneously.
32. unmanned vehicles as claimed in claim 31, it is characterised in that: an end of described inner ring and described rotating shaft it
Between distance, and the distance between described outer ring and the described end of described rotating shaft differs.
33. unmanned vehicles as claimed in claim 32, it is characterised in that: the outer wall of described inner ring is provided with the first collecting
Groove, on the inwall of described outer ring, corresponding described first accepting groove is provided with the second accepting groove；Described first accepting groove and described second
Being collectively forming a receiving space between accepting groove, described roller is contained in described receiving space, and receives with described first respectively
The sidewall of tank and the sidewall of described second accepting groove abut against.
34. unmanned vehicles as claimed in claim 29, it is characterised in that: described rotor includes perisporium and diapire, described week
Wall covers at outside described pedestal, and described diapire is covered on described perisporium one end away from described pedestal, and described rotating shaft is with described
Diapire is fixing to be connected.
35. unmanned vehicles as claimed in claim 34, it is characterised in that: described rotor also includes multiple magnet, Duo Gesuo
State magnet and be fixedly arranged at the internal stay of described perisporium, and along the circumferentially-spaced spread configuration of described perisporium.
36. unmanned vehicles as claimed in claim 34, it is characterised in that: described diapire deviates from the side of described pedestal and arranges
Having storage tank, be provided with counterweight material in described storage tank, described counterweight material is in order to carry out dynamic balance calibration to described rotor.
37. unmanned vehicles as claimed in claim 36, it is characterised in that: described counterweight material is to stick to described storage tank
Ultraviolet light viscose glue on sidewall.
38. unmanned vehicles as claimed in claim 37, it is characterised in that: described counterweight material is bonded in the one of described storage tank
In individual region or in multiple discontinuous region.
39. unmanned vehicles as claimed in claim 36, it is characterised in that: described storage tank includes continuing mutually with described perisporium
Sidewall, described sidewall is bent to form a blocking part to the medium position of described diapire, described blocking part and described storage tank
Diapire relative spacing is arranged.
40. unmanned vehicles as claimed in claim 29, it is characterised in that: pass through interference between described inner ring and described rotating shaft
Be connected, and between described inner ring and described rotating shaft, be provided with viscose glue, described viscose glue be used for fixing described inner ring with described turn
The relative installation position of axle.
41. unmanned vehicles as claimed in claim 29, it is characterised in that: described pedestal includes pedestal and is arranged at described seat
Fixed part on body, described rotating shaft is arranged in described fixed part, and described bearing is arranged between described fixed part and described rotating shaft,
Described rotor cap is located at outside described fixed part.
42. unmanned vehicles as claimed in claim 41, it is characterised in that: described motor also includes stator, described stator bag
Including the installing part being fixedly installed on described fixed part and be set around the coil on described installing part, described rotor cap is located at described
Outside coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810190126.8A CN108400668B (en) | 2015-04-29 | 2015-04-29 | Motor, power device and use this power device's unmanned vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2015/077878 WO2016172891A1 (en) | 2015-04-29 | 2015-04-29 | Electric motor, power device and unmanned aircraft using the power device |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810190126.8A Division CN108400668B (en) | 2015-04-29 | 2015-04-29 | Motor, power device and use this power device's unmanned vehicles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106063089A true CN106063089A (en) | 2016-10-26 |
| CN106063089B CN106063089B (en) | 2018-06-12 |
Family
ID=57179496
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580004247.3A Expired - Fee Related CN106063089B (en) | 2015-04-29 | 2015-04-29 | Motor, power plant and the unmanned vehicle using the power plant |
| CN201810190126.8A Expired - Fee Related CN108400668B (en) | 2015-04-29 | 2015-04-29 | Motor, power device and use this power device's unmanned vehicles |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810190126.8A Expired - Fee Related CN108400668B (en) | 2015-04-29 | 2015-04-29 | Motor, power device and use this power device's unmanned vehicles |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN106063089B (en) |
| WO (1) | WO2016172891A1 (en) |
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| WO2018176291A1 (en) * | 2017-03-29 | 2018-10-04 | SZ DJI Technology Co., Ltd. | Hollow motor apparatuses and associated systems and methods |
| US10120068B1 (en) | 2017-04-28 | 2018-11-06 | SZ DJI Technology Co., Ltd. | Calibration of laser sensors |
| CN108834430A (en) * | 2017-11-30 | 2018-11-16 | 深圳市大疆创新科技有限公司 | Electric machine structure, Power Component and unmanned vehicle applied to unmanned vehicle |
| US10152771B1 (en) | 2017-07-31 | 2018-12-11 | SZ DJI Technology Co., Ltd. | Correction of motion-based inaccuracy in point clouds |
| US10295659B2 (en) | 2017-04-28 | 2019-05-21 | SZ DJI Technology Co., Ltd. | Angle calibration in light detection and ranging system |
| CN109850138A (en) * | 2017-11-30 | 2019-06-07 | 中光电智能机器人股份有限公司 | Unmanned plane and its propeller |
| US10371802B2 (en) | 2017-07-20 | 2019-08-06 | SZ DJI Technology Co., Ltd. | Systems and methods for optical distance measurement |
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| US10436884B2 (en) | 2017-04-28 | 2019-10-08 | SZ DJI Technology Co., Ltd. | Calibration of laser and vision sensors |
| US20190324127A1 (en) * | 2017-08-31 | 2019-10-24 | SZ DJI Technology Co., Ltd. | Delay time calibration of optical distance measurement devices, and associated systems and methods |
| US10539663B2 (en) | 2017-03-29 | 2020-01-21 | SZ DJI Technology Co., Ltd. | Light detecting and ranging (LIDAR) signal processing circuitry |
| US10714889B2 (en) | 2017-03-29 | 2020-07-14 | SZ DJI Technology Co., Ltd. | LIDAR sensor system with small form factor |
| US10899471B2 (en) | 2017-01-24 | 2021-01-26 | SZ DJI Technology Co., Ltd. | Flight indication apparatuses, systems and associated methods |
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| WO2019027195A1 (en) * | 2017-08-03 | 2019-02-07 | 엘지이노텍 주식회사 | Drone motor |
| KR102371384B1 (en) * | 2017-08-03 | 2022-03-07 | 엘지이노텍 주식회사 | Motor for drone |
| CN112840531A (en) * | 2020-04-21 | 2021-05-25 | 深圳市大疆创新科技有限公司 | Motor, power device and unmanned vehicles |
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| US10899471B2 (en) | 2017-01-24 | 2021-01-26 | SZ DJI Technology Co., Ltd. | Flight indication apparatuses, systems and associated methods |
| WO2018176291A1 (en) * | 2017-03-29 | 2018-10-04 | SZ DJI Technology Co., Ltd. | Hollow motor apparatuses and associated systems and methods |
| US11336074B2 (en) | 2017-03-29 | 2022-05-17 | SZ DJI Technology Co., Ltd. | LIDAR sensor system with small form factor |
| US10539663B2 (en) | 2017-03-29 | 2020-01-21 | SZ DJI Technology Co., Ltd. | Light detecting and ranging (LIDAR) signal processing circuitry |
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| US10120068B1 (en) | 2017-04-28 | 2018-11-06 | SZ DJI Technology Co., Ltd. | Calibration of laser sensors |
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| US10884110B2 (en) | 2017-04-28 | 2021-01-05 | SZ DJI Technology Co., Ltd. | Calibration of laser and vision sensors |
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| US10371802B2 (en) | 2017-07-20 | 2019-08-06 | SZ DJI Technology Co., Ltd. | Systems and methods for optical distance measurement |
| US11982768B2 (en) | 2017-07-20 | 2024-05-14 | SZ DJI Technology Co., Ltd. | Systems and methods for optical distance measurement |
| US11238561B2 (en) | 2017-07-31 | 2022-02-01 | SZ DJI Technology Co., Ltd. | Correction of motion-based inaccuracy in point clouds |
| US10152771B1 (en) | 2017-07-31 | 2018-12-11 | SZ DJI Technology Co., Ltd. | Correction of motion-based inaccuracy in point clouds |
| US11961208B2 (en) | 2017-07-31 | 2024-04-16 | SZ DJI Technology Co., Ltd. | Correction of motion-based inaccuracy in point clouds |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108400668B (en) | 2020-10-23 |
| WO2016172891A1 (en) | 2016-11-03 |
| CN108400668A (en) | 2018-08-14 |
| CN106063089B (en) | 2018-06-12 |
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Effective date of registration: 20170328 Address after: 518057 Guangdong city of Shenzhen province Nanshan District Guangdong streets south four Road No. 18 building in the West SKYWORTH semiconductor design 12 Applicant after: SZ DJI OSMO TECHNOLOGY Co.,Ltd. Address before: 518057 Guangdong province Shenzhen city Nanshan District high tech Zone South Hing a No. 9 Hongkong, Shenzhen building 6 floor Applicant before: SZ DJI TECHNOLOGY Co.,Ltd. |
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