CN106063089B - Motor, power plant and the unmanned vehicle using the power plant - Google Patents
Motor, power plant and the unmanned vehicle using the power plant Download PDFInfo
- Publication number
- CN106063089B CN106063089B CN201580004247.3A CN201580004247A CN106063089B CN 106063089 B CN106063089 B CN 106063089B CN 201580004247 A CN201580004247 A CN 201580004247A CN 106063089 B CN106063089 B CN 106063089B
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- China
- Prior art keywords
- shaft
- pedestal
- inner ring
- wall
- outer ring
- Prior art date
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Classifications
-
- 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
-
- 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
-
- 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
Abstract
The present invention relates to a kind of motor, use the power plant and unmanned vehicle of the motor.The unmanned vehicle includes aircraft body, the motor being arranged on the aircraft body and the propeller being arranged on the motor.The motor includes pedestal, rotor, shaft and bearing.The rotor is rotationally covered at outside the pedestal, and one end of the shaft is fixedly arranged on the rotor, and the other end is rotationally connected with by the bearing on the pedestal.The propeller is connected in the shaft.The bearing includes inner ring, outer ring and roller, and the inner ring fixing sleeve is set in the shaft, and the outer ring is fixedly installed on the pedestal and is surrounded on outside the inner ring, and the roller is movably disposed between the inner ring and the outer ring.It is connected between the outer ring and the pedestal by being interference fitted.Above-mentioned unmanned vehicle and its running noises of motor are relatively small.
Description
Technical field
The present invention relates to a kind of motor, use the unmanned vehicle of the power plant and use of the motor power plant.
Background technology
Brushless motor because low-loss, low noise, smooth movements and long lifespan advantage, in electromechanical integration application field
In be widely used.It is set on the stator in general, brushless motor includes pedestal, the stator on the pedestal and rotation
Rotor.Bearing is usually provided between the stator and the rotor, rubbing when being relatively rotated between the stator and the rotor to reduce
It wipes.Due to the intrinsic radial internal clearance of bearing, when the stator and the rotor relatively rotate, can be moved radially with micro,
Cause brushless motor operating relatively unstable, it is larger to shake noise.
Invention content
In view of above-mentioned condition, it is necessary to provide a kind of running noises relatively small motor, there is a need to offer one kind makes
Power plant with the motor and the unmanned vehicle using the power plant.
A kind of motor, including pedestal, rotor, shaft and bearing.The rotor is rotationally covered at outside the pedestal,
One end of the shaft is fixedly arranged on the rotor, and the other end is rotationally connected with the pedestal by the bearing
On.The bearing includes inner ring, outer ring and roller, and the inner ring fixing sleeve is set in the shaft, the outer ring fixed setting
In on the pedestal and being surrounded on outside the inner ring, the roller is movably disposed between the inner ring and the outer ring.
Wherein, it is connected between the outer ring and the pedestal by being interference fitted.
Further, the interference fit type between the outer ring and the pedestal is:Basic deviation is the basic shaft system mistake of T
It is full of cooperation.
Further, the outer ring shifts to install in an axial direction with the inner ring, and the roller is enable to be held in institute simultaneously
It states on the inner wall of outer ring and the outer wall of the inner ring.
Further, the distance between the inner ring and an end of the shaft, with the outer ring and the shaft
The distance between the end differ.
Further, the outer wall of the inner ring is equipped with the first container, and described first is corresponded on the inner wall of the outer ring
Container is equipped with the second container；A receiving space, institute are collectively formed between first container and second container
Roller is stated to be contained in the receiving space, and respectively with the side wall of first container and the side wall of second container
It abuts against.
Further, the rotor includes peripheral wall and bottom wall, and the peripheral wall is covered at except the pedestal, the bottom wall lid
Set on the one end of the peripheral wall far from the pedestal, the shaft is fixedly connected with the bottom wall.
Further, the rotor further includes multiple magnets, and multiple magnets are fixedly arranged at the interior of the peripheral wall
Side, and set along the circumferentially-spaced arrangement of the peripheral wall.
Further, the bottom wall is provided with storage tank away from the side of the pedestal, is provided with and matches in the storage tank
Heavy burder, the counterweight material is to rotor progress dynamic balance calibration.
Further, the counterweight material is the ultraviolet light viscose glue being adhered on the side wall of the storage tank.
Further, the counterweight material is bonded in a region of the storage tank or in multiple discontinuous regions.
Further, the storage tank include with the consecutive side wall of the peripheral wall, the side wall is into the bottom wall
Portion position is bent to form a blocking part, and the bottom wall of the blocking part and the storage tank is to being arranged at intervals.
Further, it is connected between the inner ring and the shaft by being interference fitted, and the inner ring and the shaft
Between be provided with viscose glue, the viscose glue is used to fix the inner ring and the opposite installation position of the shaft.
Further, the pedestal includes pedestal and the fixed part being set on the pedestal, the shaft are arranged in institute
Fixed part is stated, the bearing is set between the fixed part and the shaft, and the rotor cap is set on outside the fixed part.
Further, the motor further includes stator, and the stator includes the installing being fixedly installed on the fixed part
Part and the coil being set around on the installing part, the rotor cap are set on outside the coil.
A kind of power plant, including motor and the propeller being set on the motor, the motor includes pedestal, turns
Son, shaft and bearing.The rotor is rotationally covered at outside the pedestal, and one end of the shaft is fixedly arranged at described
On rotor, the other end is rotationally connected with by the bearing on the pedestal.The propeller is connected in the shaft.Institute
It states bearing and includes inner ring, outer ring and roller, the inner ring fixing sleeve is set in the shaft, and the outer ring is fixedly installed on described
It on pedestal and is surrounded on outside the inner ring, the roller is movably disposed between the inner ring and the outer ring.Wherein, institute
It states and is connected between outer ring and the pedestal by being interference fitted.
Further, the interference fit type between the outer ring and the pedestal is:Basic deviation is the basic shaft system mistake of T
It is full of cooperation.
Further, the outer ring shifts to install in an axial direction with the inner ring, and the roller is enable to be held in institute simultaneously
It states on the inner wall of outer ring and the outer wall of the inner ring.
Further, the distance between the inner ring and an end of the shaft, with the outer ring and the shaft
The distance between the end differ.
Further, the outer wall of the inner ring is equipped with the first container, and described first is corresponded on the inner wall of the outer ring
Container is equipped with the second container；A receiving space, institute are collectively formed between first container and second container
Roller is stated to be contained in the receiving space, and respectively with the side wall of first container and the side wall of second container
It abuts against.
Further, the rotor includes peripheral wall and bottom wall, and the peripheral wall is covered at except the pedestal, the bottom wall lid
Set on the one end of the peripheral wall far from the pedestal, the shaft is fixedly connected with the bottom wall.
Further, the rotor further includes multiple magnets, and multiple magnets are fixedly arranged at the interior of the peripheral wall
Side, and set along the circumferentially-spaced arrangement of the peripheral wall.
Further, the bottom wall is provided with storage tank away from the side of the pedestal, is provided with and matches in the storage tank
Heavy burder, the counterweight material is to rotor progress dynamic balance calibration.
Further, the counterweight material is the ultraviolet light viscose glue being adhered on the side wall of the storage tank.
Further, the counterweight material is bonded in a region of the storage tank or in multiple discontinuous regions.
Further, the storage tank include with the consecutive side wall of the peripheral wall, the side wall is into the bottom wall
Portion position is bent to form a blocking part, and the bottom wall of the blocking part and the storage tank is to being arranged at intervals.
Further, it is connected between the inner ring and the shaft by being interference fitted, and the inner ring and the shaft
Between be provided with viscose glue, the viscose glue is used to fix the inner ring and the opposite installation position of the shaft.
Further, the pedestal includes pedestal and the fixed part being set on the pedestal, the shaft are arranged in institute
Fixed part is stated, the bearing is set between the fixed part and the shaft, and the rotor cap is set on outside the fixed part.
Further, the motor further includes stator, and the stator includes the installing being fixedly installed on the fixed part
Part and the coil being set around on the installing part, the rotor cap are set on outside the coil.
A kind of unmanned vehicle including aircraft body, the motor being arranged on the aircraft body and is set to
Propeller on the motor.The motor includes pedestal, rotor, shaft and bearing.The rotor rotationally covers at institute
It states outside pedestal, one end of the shaft is fixedly arranged on the rotor, and the other end is rotationally connected with by the bearing
On the pedestal.The propeller is connected in the shaft.The bearing includes inner ring, outer ring and roller, and the inner ring is consolidated
Surely it is sheathed in the shaft, the outer ring is fixedly installed on the pedestal and is surrounded on outside the inner ring, and the roller can
It is actively set between the inner ring and the outer ring.Wherein, pass through the company of interference fit between the outer ring and the pedestal
It connects.
Further, the interference fit type between the outer ring and the pedestal is:Basic deviation is the basic shaft system mistake of T
It is full of cooperation.
Further, the outer ring shifts to install in an axial direction with the inner ring, and the roller is enable to be held in institute simultaneously
It states on the inner wall of outer ring and the outer wall of the inner ring.
Further, the distance between the inner ring and an end of the shaft, with the outer ring and the shaft
The distance between the end differ.
Further, the outer wall of the inner ring is equipped with the first container, and described first is corresponded on the inner wall of the outer ring
Container is equipped with the second container；A receiving space, institute are collectively formed between first container and second container
Roller is stated to be contained in the receiving space, and respectively with the side wall of first container and the side wall of second container
It abuts against.
Further, the rotor includes peripheral wall and bottom wall, and the peripheral wall is covered at except the pedestal, the bottom wall lid
Set on the one end of the peripheral wall far from the pedestal, the shaft is fixedly connected with the bottom wall.
Further, the rotor further includes multiple magnets, and multiple magnets are fixedly arranged at the interior of the peripheral wall
Side, and set along the circumferentially-spaced arrangement of the peripheral wall.
Further, the bottom wall is provided with storage tank away from the side of the pedestal, is provided with and matches in the storage tank
Heavy burder, the counterweight material is to rotor progress dynamic balance calibration.
Further, the counterweight material is the ultraviolet light viscose glue being adhered on the side wall of the storage tank.
Further, the counterweight material is bonded in a region of the storage tank or in multiple discontinuous regions.
Further, the storage tank include with the consecutive side wall of the peripheral wall, the side wall is into the bottom wall
Portion position is bent to form a blocking part, and the blocking part and the bottom wall relative spacing of the storage tank are set.
Further, it is connected between the inner ring and the shaft by being interference fitted, and the inner ring and the shaft
Between be provided with viscose glue, the viscose glue is used to fix the inner ring and the opposite installation position of the shaft.
Further, the pedestal includes pedestal and the fixed part being set on the pedestal, the shaft are arranged in institute
Fixed part is stated, the bearing is set between the fixed part and the shaft, and the rotor cap is set on outside the fixed part.
Further, the motor further includes stator, and the stator includes the installing being fixedly installed on the fixed part
Part and the coil being set around on the installing part, the rotor cap are set on outside the coil.
The motor of above-mentioned unmanned vehicle, while the inner ring of the bearing is fixedly installed in the shaft, by institute
It states outer ring to be fixedly connected with the pedestal by being interference fitted, makes the outer ring that shape radially occur under the extruding of the pedestal
Become, shunk so as to the aperture of the outer ring, so that the spacing between the outer ring and the inner ring reduces.That is, the bearing
Radial internal clearance reduces, and the inner ring is made, when relatively rotating, to be reduced opposite between inner ring and outer ring with the outer ring
It moves radially, makes the rotation between inner ring and outer ring more steady, reduce the rotational noise of motor.
Description of the drawings
Fig. 1 is the stereoscopic schematic diagram 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 specific embodiment will be further illustrated the present invention with reference to above-mentioned attached drawing.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
It should be noted that when component is referred to as " being fixed on " another component, it can be directly on another component
Or there may also be components placed in the middle.When a component is considered as " connection " another component, it can be directly connected to
To another component or it may be simultaneously present component placed in the middle.When a component is considered as " being set to " another component, it
Can be set up directly on another component or may be simultaneously present component placed in the middle.Term as used herein is " vertical
", " horizontal ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The normally understood meaning of technical staff is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " including one or more phases
The arbitrary and all combination of the Listed Items of pass.
Referring to Fig. 1, the unmanned vehicle 500 of one embodiment of the present invention, is used to carry video camera, camera etc.
Electronic device (not shown) is photographed.The unmanned vehicle 500 includes aircraft body 510, is set to aircraft sheet
Motor 100 on body 510 and the propeller 200 being set on motor 100.Motor 100 is used to drive the propeller 200
Rotation, so as to which the unmanned vehicle 500 be driven to fly.The motor 100 can be multiple, and multiple motors 100 are set respectively
In on the aircraft body 510.
Please refer to Fig. 2 and Fig. 3, in the present embodiment, the motor 100 is brushless motor, including pedestal 10, admittedly
Surely it the stator 30 that is set on pedestal 10, the rotor 50 being rotatably connected on pedestal 10 and is set on rotor 50
Rotating assembly 90.
The pedestal 10 includes pedestal 11 and the fixed part 12 being set on the pedestal 11.
The pedestal 11 is substantially in the form of annular discs, and the fixed part 12 is substantially in cylindrical tube shape.The fixed part 12 is located at institute
The approximate mid-section position of pedestal 11 is stated, and protrudes from the pedestal 11 towards a side surface of the stator 30, is used to install
And the fixed stator 30.The fixed part 12 is along it axially through offering accepting hole 121.Accepting hole 121 runs through simultaneously
Pedestal 11 is used to accommodate the part-structure of rotating assembly 90.
Stator 30 is set on fixed part 12, (is schemed not including installing part 32 and the coil being set around on installing part 32
It shows).
The installing part 32 includes sleeved part 321 and the supporting part 323 being formed in sleeved part 321.The sleeved part
321, substantially in cylindrical tube shape, are regularly sheathed on fixed part 12, and be accordingly stacked and placed on pedestal 11.The supporting part
323 can be multiple, and multiple supporting parts 323 are set to the periphery wall of sleeved part 321, and along the circumferentially-spaced row of sleeved part 321
Row setting.Supporting part 323 is used to support the coil (not shown).The coil can be it is multiple, each coil around
It is located on a supporting part 323.
Further, end of each supporting part 323 far from the sleeved part 321 forms a stopper section 325.It is each
The size of a stopper section 325 is more than the size of corresponding 323 end of supporting part, to prevent the corresponding coil (not shown
Go out) it is detached from corresponding supporting part 323.
Please refer to Fig. 4 and Fig. 5, the rotor 50 covers at 32 periphery of installing part, including yoke 52 and is set to
Magnet 54 in yoke 52.
The yoke 52 is in substantially the cylindrical tube shape with bottom wall, rotationally covers at 32 periphery of installing part.It is described
Yoke 52 includes peripheral wall 521 and the bottom wall 523 for being set to 521 one end of peripheral wall.
The peripheral wall 521 substantially in cylindrical tube shape, is used to install magnet 54.
The bottom wall 523 is covered on the one end of peripheral wall 521 far from pedestal 11.The approximate mid-section position of bottom wall 523 offers
Through-hole 5231, through-hole 5231 are used to install rotating assembly 90.Bottom wall 523 offers storage tank 5233 away from the side of peripheral wall 521,
Storage tank 5233 is for one counterweight material of receiving (not shown).The counterweight material is used to carry out dynamic balance calibration to rotor 50.
In the present embodiment, which is viscose glue, specifically, the viscose glue is ultraviolet cured adhesive, such as this is viscous
Glue is three keys (Three Bond) 3084 ultraviolet cured adhesives, and proportion 2.2, i.e. the ultraviolet cured adhesive density are
2200KG/M3.It is appreciated that the proportion of the ultraviolet cured adhesive can be other numerical value more than or equal to 2 so that etc. matter
In the case of amount, the small volume of viscose glue, so as to the occupied space of less viscose glue.Certainly, counterweight material may be other viscose glues.
In the present embodiment, the counterweight material is set in a region of the storage tank 5233 or multiple discontinuous
Region in, to increase weight of the rotor 50 at the counterweight material, the dynamic balancing that makes rotor 50 whole in rotation meets will
It asks, so that 50 stability of rotation of rotor, the running noises of reduction brushless motor 100.
Further, the storage tank 5233 include with the 521 consecutive side wall 5235 of peripheral wall, side wall 5235 is to institute
The approximate mid-section position for stating bottom wall 523 is bent to form a blocking part 5237, and blocking part 5237 is alternate with the bottom wall of storage tank 5233
Every.When the rotor 50 rotates, the counterweight material in the storage tank 5233 is contained in due to being acted on by centrifugal force, energy
It is enough closely to press on the side wall 5235, prevent the counterweight material from coming off due to rotation.Simultaneously because blocking part 5237 is to institute
It states keeping out for counterweight material to act on clamping, the setting for further making the counterweight material is more secured, and therefore, rotor 50 is whole to be turned
Dynamic balancing when dynamic disclosure satisfy that requirement, and the rotation for making rotor 50 is relatively steady, reduces shake of the rotor 50 in rotation process
It is dynamic, reduce the running noises of brushless motor 100.
The magnet 54 can be multiple, and multiple magnets 54 are fixedly arranged at the inside of the peripheral wall 521 of yoke 52, and
It is set along the circumferentially-spaced arrangement of peripheral wall 521.Each magnet 54 corresponds to a coil (not shown).
The rotating assembly 90 includes shaft 92 and the bearing 94 being set in shaft.
Shaft 92 is substantially rod-shaped in cylinder, and one end is regularly inserted in the through-hole 5231 of the bottom wall 523, the other end
It is rotationally arranged in the fixed part 12 of pedestal 10.When the 100 energization operation of motor, the rotor 50 drives described turn
Shaft assembly 90 is rotated relative to the stator 30 and the pedestal 10.
In the present embodiment, the bearing 94 can be two, and two bearings 94 are intervally installed in shaft 92,
And it is contained in the accepting hole 121 of the fixed part 12.In the present embodiment, bearing 94 is ball bearing, including coaxially setting
The inner ring 941 put and outer ring 943 and the roller 945 being set between inner ring 941 and outer ring 943.Inner ring 941 regularly covers
In shaft 92, outer ring 943 is fixedly arranged on the inner wall of the accepting hole 121 and is surrounded on except inner ring 941, roller
945 are movably disposed between inner ring 941 and outer ring 943.
Further, the inner ring 941 is fixedly connected by being interference fitted with the shaft 92, the inner ring 941 and institute
It states and is additionally provided with viscose glue between shaft 92, to further fix the opposite installation position of inner ring 941 and shaft 92.
Further, the outer ring 943 is fixedly connected by being interference fitted with the fixed part 12, makes outer ring 943 in institute
Under the extruding for stating the inner wall of accepting hole 121, micro deformation radially occurs, is shunk so as to the aperture of outer ring 943, so that outer ring
Spacing between 943 and inner ring 941 reduces.That is, the radial internal clearance of bearing 94 reduces, inner ring 941 is made to occur with outer ring 943
During relative rotation, relatively radially moving between inner ring 941 and outer ring 943 has been reduced or eliminated, has made inner ring 941 and outer ring 943
Between rotation it is more steady, reduce rotational noise.
In the present embodiment, the interference fit relation between the outer ring 943 and the fixed part 12 is：Basic deviation
It is the basic shaft system interference fit of T, specifically, interference volume is 0.007~0.012 millimeter.It is appreciated that the interference fit is closed
The basic deviation of system is also an option that as R, S, U etc..
Further, the outer ring 943 shifts to install in an axial direction with the inner ring 941, make outer ring 943 and inner ring 941 it
Between roller 945 can be held in simultaneously on the inner wall of outer ring 943 and the outer wall of inner ring 941, so as to further reduce inner ring 941
With outer ring 943 when relatively rotating, noise that roller 945 is sent out by collision inner ring 941 and outer ring 943.
Please refer to Fig. 6, specifically, the outer wall of the inner ring 941 is concavely provided with the first container 9411, it is described outer
Corresponding first container 9411 is recessed with the second container 9431 on the inner wall of circle 943.First container 9411 and the second receiving
Slot 9431 is substantially oppositely arranged, and a receiving space 947 is collectively formed therebetween.Receiving space 947 is accommodating the roller
945.When bearing 94 is sheathed in shaft 92, the distance between inner ring 941 and end of the shaft 92 far from rotor 50 are more than outer ring
The distance between 943 and end of the shaft 92 far from rotor 50 make the outer ring 943 misplace in an axial direction with the inner ring 941 and set
It puts, and then, the first side of the container 9411 far from rotor 50 is connected on roller 945, while the second container 9431 is close
The side of rotor 50 is connected on roller 945, avoids roller 945 when rolling because collision inner ring 941 is sent out with outer ring 943
Noise.
It is appreciated that when the outer ring 943 shifts to install in an axial direction with the inner ring 941, inner ring 941 can be caused with turning
The distance between the end of axis 92 far from rotor 50 is less than the distance between outer ring 943 and end of the shaft 92 far from rotor 50.
That is, inner ring 941 is made to be differed in the axial direction relative to the installation position of the shaft 92 with outer ring 943, make the roller
945 when being contained in the receiving space 947, roller 945 respectively with the side wall of first container 9411 and described second
The side wall of container 9431 abuts against.
When assembling the motor 100 of present embodiment, first, the 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 shaft 92 is inserted on the bottom wall 523 of rotor 50.Finally, by the other end and bearing of the shaft 92 of rotating assembly 90
94 are contained in fixed part 12, and 52 rotating mask of yoke is made to be set on 30 periphery of stator.
The inner ring 941 of bearing 94 is fixedly installed on shaft 92 by the motor 100 of the unmanned vehicle 500 of present embodiment
While upper, outer ring 943 by being interference fitted with the fixed part 12 was fixedly connected, makes outer ring 943 in the accepting hole 121
Inner wall extruding under micro deformation radially occurs, so as to outer ring 943 aperture shrink so that outer ring 943 and inner ring
Spacing between 941 reduces.That is, the radial internal clearance of bearing 94 reduces, make inner ring 941 with outer ring 943 when relatively rotating,
Relatively radially moving between inner ring 941 and outer ring 943 has been reduced or eliminated, has made the rotation between inner ring 941 and outer ring 943
It is more steady, reduce the rotational noise of motor 100.
In addition, the outer ring 943 shifts to install in an axial direction with the inner ring 941, make between outer ring 943 and inner ring 941
Roller 945 can be held in simultaneously on the inner wall of outer ring 943 and the outer wall of inner ring 941, so as to further reduce inner ring 941 with it is outer
943 are enclosed when relatively rotating, the noise that roller 945 is sent out by collision inner ring 941 with outer ring 943.
Further, the counterweight material is set on the rotor 50, increases weight of the rotor 50 at the counterweight material,
The dynamic balancing for making rotor 50 whole in rotation is met the requirements, so that 50 stability of rotation of rotor, further reduces brushless
The running noises of motor 100.
Embodiment of above is merely illustrative of the technical solution of the present invention and unrestricted, although with reference to above preferable embodiment party
The present invention is described in detail in formula, it will be understood by those of ordinary skill in the art that, it can be to technical scheme of the present invention
It modifies or equivalent replacement should not all be detached from the spirit and scope of technical solution of the present invention.
Claims (30)
1. a kind of motor, the rotor outside the pedestal including pedestal and is rotationally covered at, it is characterised in that：The electricity
Machine further includes shaft and the bearing being set in the shaft；One end of the shaft is fixedly arranged on the rotor, separately
One end is rotationally connected with by the bearing on the pedestal；
The bearing includes inner ring, outer ring and roller, and the inner ring fixing sleeve is set in the shaft, the outer ring fixed setting
In on the pedestal and being surrounded on outside the inner ring, the roller is movably disposed between the inner ring and the outer ring；
Wherein, it is connected between the outer ring and the pedestal by being interference fitted；
It is connected, and is provided between the inner ring and the shaft viscous by being interference fitted between the inner ring and the shaft
Glue, the viscose glue are used to fix the inner ring and the opposite installation position of the shaft；
The rotor includes peripheral wall and bottom wall, and the bottom wall is provided with storage tank, the storage tank away from the side of the pedestal
Counterweight material is inside provided with, the counterweight material is to rotor progress dynamic balance calibration；
The counterweight material is the ultraviolet light viscose glue being adhered on the side wall of the storage tank；
The storage tank includes being bent to form with the consecutive side wall of the peripheral wall, the medium position of the side wall to the bottom wall
One blocking part, the blocking part and the bottom wall relative spacing of the storage tank are set.
2. motor as described in claim 1, it is characterised in that：Interference fit type between the outer ring and the pedestal
For：Basic deviation is the basic shaft system interference fit of T.
3. motor as described in claim 1, it is characterised in that：The outer ring shifts to install in an axial direction with the inner ring, makes institute
Stating roller can be held in simultaneously on the inner wall of the outer ring and the outer wall of the inner ring.
4. motor as claimed in claim 3, it is characterised in that：Between the inner ring and an end of the shaft away from
From being differed with the distance between the outer ring and the end of the shaft.
5. motor as claimed in claim 4, it is characterised in that：The outer wall of the inner ring is equipped with the first container, described outer
First container is corresponded on the inner wall of circle equipped with the second container；Between first container and second container
A receiving space is collectively formed, the roller is contained in the receiving space, and the side wall with first container respectively
And the side wall of second container abuts against.
6. motor as described in claim 1, it is characterised in that：The peripheral wall is covered at except the pedestal, the bottom wall lid
Set on the one end of the peripheral wall far from the pedestal, the shaft is fixedly connected with the bottom wall.
7. motor as claimed in claim 6, it is characterised in that：The rotor further includes multiple magnets, and multiple magnets are consolidated
Surely the inside of the peripheral wall is set to, and is set along the circumferentially-spaced arrangement of the peripheral wall.
8. motor as described in claim 1, it is characterised in that：The counterweight material is bonded in a region of the storage tank
Or in multiple discontinuous regions.
9. motor as described in claim 1, it is characterised in that：The pedestal includes pedestal and is set to consolidating on the pedestal
Determine portion, the shaft is arranged in the fixed part, and the bearing is set between the fixed part and the shaft, the rotor
It covers at outside the fixed part.
10. motor as claimed in claim 9, it is characterised in that：The motor further includes stator, and the stator includes fixation and sets
It is placed in the installing part on the fixed part and the coil being set around on the installing part, the rotor cap is set on outside the coil.
11. a kind of power plant, including motor and the propeller being set on the motor, the motor includes pedestal and can
Rotationally cover at the rotor outside the pedestal, it is characterised in that：The motor further includes shaft and is set in the shaft
Bearing；One end of the shaft is fixedly arranged on the rotor, and the other end is rotationally connected with institute by the bearing
It states on pedestal；
The propeller is connected in the shaft；The bearing includes inner ring, outer ring and roller, and the inner ring fixing sleeve is set on
In the shaft, the outer ring is fixedly installed on the pedestal and is surrounded on outside the inner ring, and the roller is movably set
It is placed between the inner ring and the outer ring；
Wherein, it is connected between the outer ring and the pedestal by being interference fitted；
It is connected, and is provided between the inner ring and the shaft viscous by being interference fitted between the inner ring and the shaft
Glue, the viscose glue are used to fix the inner ring and the opposite installation position of the shaft；
The rotor includes peripheral wall and bottom wall, and the bottom wall is provided with storage tank, the storage tank away from the side of the pedestal
Counterweight material is inside provided with, the counterweight material is to rotor progress dynamic balance calibration；
The counterweight material is the ultraviolet light viscose glue being adhered on the side wall of the storage tank；
The storage tank includes being bent to form with the consecutive side wall of the peripheral wall, the medium position of the side wall to the bottom wall
One blocking part, the blocking part and the bottom wall relative spacing of the storage tank are set.
12. power plant as claimed in claim 11, it is characterised in that：Interference fit between the outer ring and the pedestal
Mode is:Basic deviation is the basic shaft system interference fit of T.
13. power plant as claimed in claim 11, it is characterised in that：The outer ring with the inner ring misplaces and sets in an axial direction
It puts, the roller is enable to be held in simultaneously on the inner wall of the outer ring and the outer wall of the inner ring.
14. power plant as claimed in claim 13, it is characterised in that：Between the inner ring and an end of the shaft
Distance, differed with the distance between the outer ring and the end of the shaft.
15. power plant as claimed in claim 14, it is characterised in that：The outer wall of the inner ring is equipped with the first container,
First container is corresponded on the inner wall of the outer ring equipped with the second container；First container and the described second receiving
A receiving space is collectively formed between slot, the roller is contained in the receiving space, and respectively with first container
Side wall and the side wall of second container abut against.
16. power plant as claimed in claim 11, it is characterised in that：The peripheral wall is covered at except the pedestal, described
Bottom wall is covered on the one end of the peripheral wall far from the pedestal, and the shaft is fixedly connected with the bottom wall.
17. power plant as claimed in claim 16, it is characterised in that：The rotor further includes multiple magnets, multiple described
Magnet is fixedly arranged at the inside of the peripheral wall, and is set along the circumferentially-spaced arrangement of the peripheral wall.
18. power plant as claimed in claim 11, it is characterised in that：The counterweight material is bonded in one of the storage tank
In region or in multiple discontinuous regions.
19. power plant as claimed in claim 11, it is characterised in that：The pedestal includes pedestal and is set to the pedestal
On fixed part, the shaft is arranged in the fixed part, and the bearing is set between the fixed part and the shaft, institute
Rotor cap is stated outside the fixed part.
20. power plant as claimed in claim 19, it is characterised in that：The motor further includes stator, and the stator includes
The installing part being fixedly installed on the fixed part and the coil being set around on the installing part, the rotor cap are set on the line
Circle is outer.
21. a kind of unmanned vehicle including aircraft body, the motor being arranged on the aircraft body and is set to institute
State the propeller on motor, the motor includes pedestal and rotationally covers at rotor outside the pedestal, and feature exists
In：
The motor further includes shaft and the bearing being set in the shaft；One end of the shaft is fixedly arranged at described
On rotor, the other end is rotationally connected with by the bearing on the pedestal；
The propeller is connected in the shaft；The bearing includes inner ring, outer ring and roller, and the inner ring fixing sleeve is set on
In the shaft, the outer ring is fixedly installed on the pedestal and is surrounded on outside the inner ring, and the roller is movably set
It is placed between the inner ring and the outer ring；
Wherein, it is connected between the outer ring and the pedestal by being interference fitted；
It is connected, and is provided between the inner ring and the shaft viscous by being interference fitted between the inner ring and the shaft
Glue, the viscose glue are used to fix the inner ring and the opposite installation position of the shaft；
The rotor includes peripheral wall and bottom wall, and the bottom wall is provided with storage tank, the storage tank away from the side of the pedestal
Counterweight material is inside provided with, the counterweight material is to rotor progress dynamic balance calibration；
The counterweight material is the ultraviolet light viscose glue being adhered on the side wall of the storage tank；
The storage tank includes being bent to form with the consecutive side wall of the peripheral wall, the medium position of the side wall to the bottom wall
One blocking part, the blocking part and the bottom wall relative spacing of the storage tank are set.
22. unmanned vehicle as claimed in claim 21, it is characterised in that：Interference between the outer ring and the pedestal is matched
Conjunction mode is:Basic deviation is the basic shaft system interference fit of T.
23. unmanned vehicle as claimed in claim 21, it is characterised in that：The outer ring with the inner ring misplaces and sets in an axial direction
It puts, the roller is enable to be held in simultaneously on the inner wall of the outer ring and the outer wall of the inner ring.
24. unmanned vehicle as claimed in claim 23, it is characterised in that：One end of the inner ring and the shaft it
Between distance, differed with the distance between the outer ring and the end of the shaft.
25. unmanned vehicle as claimed in claim 24, it is characterised in that：The outer wall of the inner ring is equipped with the first receiving
Slot corresponds to first container on the inner wall of the outer ring equipped with the second container；First container and described second
A receiving space is collectively formed between container, the roller is contained in the receiving space, and is received respectively with described first
The side wall of the side wall of tank and second container abuts against.
26. unmanned vehicle as claimed in claim 21, it is characterised in that：The peripheral wall is covered at except the pedestal, institute
It states bottom wall and is covered on the one end of the peripheral wall far from the pedestal, the shaft is fixedly connected with the bottom wall.
27. unmanned vehicle as claimed in claim 26, it is characterised in that：The rotor further includes multiple magnets, Duo Gesuo
The inside that magnet is fixedly arranged at the peripheral wall is stated, and is set along the circumferentially-spaced arrangement of the peripheral wall.
28. unmanned vehicle as claimed in claim 21, it is characterised in that：The counterweight material is bonded in the one of the storage tank
In a region or in multiple discontinuous regions.
29. unmanned vehicle as claimed in claim 21, it is characterised in that：The pedestal includes pedestal and is set to the seat
Fixed part on body, the shaft are arranged in the fixed part, and the bearing is set between the fixed part and the shaft,
The rotor cap is set on outside the fixed part.
30. unmanned vehicle as claimed in claim 29, it is characterised in that：The motor further includes stator, the stator packet
The installing part being fixedly installed on the fixed part and the coil being set around on the installing part are included, the rotor cap is set on 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 CN106063089A (en) | 2016-10-26 |
| CN106063089B true CN106063089B (en) | 2018-06-12 |
Family
ID=57179496
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580004247.3A Active CN106063089B (en) | 2015-04-29 | 2015-04-29 | Motor, power plant and the unmanned vehicle using the power plant |
| CN201810190126.8A Active 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 Active 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) |
Cited By (1)
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|---|---|---|---|---|
| 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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| EP3570414B1 (en) * | 2017-01-11 | 2023-09-06 | LG Innotek Co., Ltd. | Motor |
| EP3419898B1 (en) | 2017-01-24 | 2021-05-26 | SZ DJI Technology Co., Ltd. | Flight indication apparatuses, systems and associated methods |
| JP2020508457A (en) | 2017-03-29 | 2020-03-19 | エスゼット ディージェイアイ テクノロジー カンパニー リミテッドＳｚ Ｄｊｉ Ｔｅｃｈｎｏｌｏｇｙ Ｃｏ．，Ｌｔｄ | Sensor system and method |
| EP3602121A4 (en) | 2017-03-29 | 2021-05-12 | SZ DJI Technology Co., Ltd. | Light detection and ranging (lidar) signal processing circuitry |
| CN110383647B (en) | 2017-03-29 | 2022-10-25 | 深圳市大疆创新科技有限公司 | Hollow motor apparatus and related systems and methods |
| WO2018195998A1 (en) | 2017-04-28 | 2018-11-01 | SZ DJI Technology Co., Ltd. | Angle calibration in light detection and ranging system |
| CN110573901A (en) | 2017-04-28 | 2019-12-13 | 深圳市大疆创新科技有限公司 | calibration of laser sensor and vision sensor |
| WO2018195986A1 (en) | 2017-04-28 | 2018-11-01 | SZ DJI Technology Co., Ltd. | Calibration of laser sensors |
| JP6891375B2 (en) | 2017-07-20 | 2021-06-18 | エスゼット ディージェイアイ テクノロジー カンパニー リミテッドＳｚ Ｄｊｉ Ｔｅｃｈｎｏｌｏｇｙ Ｃｏ．，Ｌｔｄ | Systems and methods for measuring optical distance |
| 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 |
| JP6888216B2 (en) | 2017-08-31 | 2021-06-16 | エスゼット ディージェイアイ テクノロジー カンパニー リミテッドＳｚ Ｄｊｉ Ｔｅｃｈｎｏｌｏｇｙ Ｃｏ．，Ｌｔｄ | Devices and methods for measuring the distance to an object |
| 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 |
| CN108834430B (en) * | 2017-11-30 | 2021-06-22 | 深圳市大疆创新科技有限公司 | Be applied to unmanned vehicles's motor structure, power component and unmanned vehicles |
| WO2021212324A1 (en) * | 2020-04-21 | 2021-10-28 | 深圳市大疆创新科技有限公司 | Electric motor, power device and unmanned aerial vehicle |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108400668A (en) | 2018-08-14 |
| CN106063089A (en) | 2016-10-26 |
| CN108400668B (en) | 2020-10-23 |
| WO2016172891A1 (en) | 2016-11-03 |
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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: Shenzhen City, Jiang Mou Ling 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: Shenzhen Dji Technology Co., Ltd. |
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