A kind of ultrahigh rotating speed wind class motor
Technical field
The present invention relates to a kind of motor more particularly to a kind of ultrahigh rotating speed wind class motors, if revolving speed is 80,000 revs/min ~ 12
Ten thousand revs/min.
Background technique
Motor used in hair dryer, bladeless fan, the aspiration of negative pressure device, hand dryer, bathroom drying etc., is usually to adopt at present
With single armed girder construction, axially position is fixed with glue.When this construction rotor center and larger stator center coaxiality deviation,
Starting electromagnetism asymmetry causes have noise when starting.Axially position is only fixed with glue, and glue is fixed, and there are two types of risks: 1.
Dispensing is more, has rolling bearing is viscous dead;2. bearing is not firm, there is the danger to fall off.In addition, current existing such motor is also
It is inadequate that there are creepage distance of insulation, and fan leaf efficiency is lower, causes that higher revolving speed is needed to can be only achieved wind speed and air quantity, revolving speed
The problems such as higher bearing life is shorter.
Summary of the invention
In view of the above technical problems, the invention discloses a kind of ultrahigh rotating speed wind class motors.
In this regard, the technical solution of the present invention is as follows:
A kind of ultrahigh rotating speed wind class motor comprising air duct casing, motor and the pcb board of fan blade, one, in the air duct casing
Wall connects at least two stator fixing pieces, and at least two arc-shaped stator radial positioning gears are equipped between the stator fixing piece
The side wall of plate, the axial connection of stator and stator fixing piece progress of the motor, the stator radial positioning baffle and stator connects
Touching;The axial side of the stator radial positioning baffle is connected with insulating end plate, the shaft of the motor pass through insulating end plate with
Fan blade connection, the fan blade are set in the casing of air duct.Wherein, air duct casing is used as casing, while being also the fixed frame of rotor.
It adopts this technical solution, fixation bracket of the stator fixing piece as motor stator makes motor be fixed on air duct
In casing, space is saved, the axial length of entire mechanism is allowed to greatly reduce, saves client's installation space, it is ensured that motor
Fixed well and more fixed than existing close-fitting or glue mode structure is more stable.Meanwhile the stator of the motor is extend into
In the space that stator radial positioning baffle surrounds, stator radial positioning baffle forms the structure of semi-surrounding, guarantees the radial direction of stator
Positioning improves starting motor howling in this way, keeping the position of the installation of stator more accurate by Dual positioning;Simultaneously
Return air amount is reduced, the efficiency of air inlet and the outlet is increased.
Further, the stator fixing piece is the cylindrical body equipped with screw hole, the stator of the motor by screw with
The connection of stator fixing piece, i.e., be fixedly connected with air duct casing, it is ensured that the structure of motor is fixed, more solid than existing close-fitting or glue
Fixed structure is more stable.
Further, the insulating end plate uses plastic cement material, both works as simultaneously as fixed frame as bearing axially position
Make motor insulation barrier.
As a further improvement of the present invention, the stator fixing piece, stator radial positioning baffle and air duct casing pass through
It is integrally formed.
As a further improvement of the present invention, the stator fixing piece is symmetrical arranged, the stator radial positioning baffle pair
Claim separation in the surrounding of the stator of motor.Further, the stator fixing piece is three, and the stator radial positioning baffle is
Three.
As a further improvement of the present invention, the integrated air duct casing inner wall is equipped with wind deflector, the wind deflector
Shape be Archimedian screw curved surface.The inner wall of the wind deflector and air duct casing is connected as one.
As a further improvement of the present invention, the wind deflector is 7 or 9, is symmetrically distributed in integrated air duct machine
In shell.
Further, the wind deflector is connect with stator radial positioning baffle, the stator radial positioning baffle and stator
Fixing piece connection, such stator radial positioning baffle are linked into an integrated entity by the structure of wind deflector with shell with stator fixing piece.
As a further improvement of the present invention, the pcb board is equipped with 6 connecting pins, and the insulated wire of the motor is provided with 6
A conductive column, each conductive column are welded to connect with corresponding connecting pin, and 6 connecting pins pass through star-like connection conduction.Wherein,
6 conductive columns respectively correspond 6 output ends of three-phase motor, are realized by star-like connection conductive.Here conductive column both played
Conduction arrives the effect of the connecting terminal of pcb board, as star-like connection conduction;During installation simultaneously, by the insulation coil holder of motor
After conductive column and pcb board welding, automatic coil winding machine positioning column can be also used as by fixing pcb board.
As a further improvement of the present invention, the stator of the motor is integrally formed using iron core in-mould injection.This technology
Scheme all wraps up motor and enameled wire part, reaches high pressure resistant and high-voltage isulation, the method is than conventional high rate blower
Gluing insulation be greatly saved artificial, while reducing scrapping for material;Encapsulated stator improves creepage distance of insulation.
As a further improvement of the present invention, the shape of the fan blade is Archimedian screw curved surface.Further, described
Fan blade is 11 or 13.It adopts this technical solution, ensure that wind pressure and air quantity, further, fan end is using cone
Structure, guarantees the air intake efficiency of fan, while greatly reducing wind and making an uproar.
As a further improvement of the present invention comprising magnet ring, wave washer, bearing, the magnet ring are set in shaft,
The insulating end plate connects the wave washer as axially position, and the wave washer does precompression, the shaft to bearing
It is connect by bearing with fan blade.
As a further improvement of the present invention, it is equipped at the bearing chamber of the shaft and adds gum box, prevent glue from overflowing in this way
Out, solving to be fixed with glue in the market causes bearing to glue dead hidden danger, while production efficiency is greatly improved.
Further, the pcb board is hexagonal structure.
Compared with prior art, the invention has the benefit that
Technical solution of the present invention can guarantee together simultaneously using axially and radially Dual positioning mode, compact-sized, installation convenience
Heart degree reduces the sound of high-speed cruising bear vibration so that the fixation of motor is more accurate;Unique fan blade and Duct design,
It greatly reduces wind noise, promote outlet air efficiency;Using unique conductive pillar structure, production efficiency is improved, while facilitating peace
Dress;In addition, using in-mould injection, encapsulated stator improves creepage distance of insulation.
Detailed description of the invention
Fig. 1 is a kind of decomposition texture schematic diagram of ultrahigh rotating speed wind class motor of the present invention.
Fig. 2 is a kind of side view of ultrahigh rotating speed wind class motor of the present invention.
Fig. 3 is a kind of cross section structure schematic diagram of ultrahigh rotating speed wind class motor of the present invention.
Fig. 4 is a kind of structural schematic diagram of the air duct casing of ultrahigh rotating speed wind class motor of the present invention.
Fig. 5 is that the motor of an embodiment of the present invention is mounted on the structural schematic diagram of air duct casing.
Fig. 6 is the structural schematic diagram of the wind deflector side of the air duct casing of an embodiment of the present invention.
Fig. 7 is the cross section structure schematic diagram of the shaft of an embodiment of the present invention.
Fig. 8 is the structural schematic diagram of the fan blade of an embodiment of the present invention.
Appended drawing reference includes: the air duct 1- casing, 2- motor, 3- fan blade, 4-PCB plate, 5- insulation barrier, 6- shaft, 7- magnetic
Ring, 8- wave washer, 9- bearing, 10- motor stator;11- stator fixing piece, 12- stator radial positioning baffle, 13- wind deflector,
14- screw;21- conductive column, 22- add gum box;The connecting pin 41-.
Specific embodiment
With reference to the accompanying drawing, preferably embodiment of the invention is described in further detail.
As shown in Fig. 1 ~ Fig. 6, a kind of ultrahigh rotating speed wind class motor comprising fan blade 13, the air duct casing 1 of one, motor 2
With pcb board 4,1 inner wall of air duct casing connects three stator fixing pieces 11, sets that there are three circles between the stator fixing piece 11
The stator radial positioning baffle 12 of arc, the stator and stator fixing piece 11 of the motor 2 carry out axial connection, the stator diameter
It is contacted to positioning baffle 12 with the side wall of motor stator 11;The axial side of the stator radial positioning baffle 12 is connected with insulation
End plate, the shaft 6 of the motor 2 pass through insulating end plate and connect with fan blade 13, and the fan blade 13 is set in air duct casing 1.It is described
Ultrahigh rotating speed wind class motor 2 includes magnet ring 7, wave washer 8, bearing 9, and the magnet ring 7 is set in shaft 6, the insulating end
Plate connects the wave washer 8 as axially position, and the wave washer 8 does precompression to bearing 9, and the shaft 6 passes through axis
9 are held to connect with fan blade 13.The insulating end plate uses plastic cement material, both the axially position as fixed frame as bearing 9, simultaneously
As the insulation barrier 5 of motor 2.
Wherein, air duct casing 1 is used as casing, while being also the fixed frame of rotor.In the present embodiment, the stator
Fixing piece 11 is the cylindrical body equipped with screw hole, and the motor stator 10 is connect by screw 14 with stator fixing piece 11, i.e., with
Air duct casing 1 is fixedly connected, it is ensured that the structure of motor 2 is fixed, and the structure more fixed than existing close-fitting or glue is more stable.
The stator fixing piece 11 is symmetrical arranged, and the stator radial positioning baffle 12 is symmetrically lived apart in the surrounding of motor stator 10.
1 inner wall of air duct casing is equipped with wind deflector 13, and the shape of the wind deflector 13 is Archimedian screw curved surface.Institute
It states wind deflector 13 and the inner wall of air duct casing 1 is connected as one.Preferably, the wind deflector 13 is 7 or 9, symmetrical
In integrated air duct casing 1.The stator fixing piece 11, stator radial positioning baffle 12, wind deflector 13 and air duct casing 1
Shell pass through integrated molding.Further, the wind deflector 13 is connect with stator radial positioning baffle 12, and the stator is radial
Positioning baffle 12 is connect with stator fixing piece 11, and such stator radial positioning baffle 12, stator fixing piece 11 pass through wind deflector 13
Structure link into an integrated entity with shell.
The pcb board 4 is equipped with 6 connecting pins 41, and the insulated wire of the motor 2 is provided with 6 conductive columns 21, each conduction
Column 21 is welded to connect with corresponding connecting pin 41, and 6 connecting pins 41 pass through star-like connection conduction.Wherein, 6 conductive columns 21 divide
6 output ends for not corresponding to three-phase motor 2 are realized conductive by star-like connection.Here conductive column 21 had both played conductive to PCB
The effect of the connecting terminal of plate 4, as star-like connection conduction;During installation simultaneously, by the conductive column 21 of the insulation coil holder of motor 2
After welding with pcb board 4, the positioning column of automatic coil winding machine can be also used as by fixing pcb board 4.
Add gum box 22 as shown in fig. 7, being equipped at the bearing chamber of the shaft 6, prevents glue from overflowing in this way, solve city
Being fixed on field with glue causes bearing to glue dead hidden danger, while production efficiency is greatly improved.The motor stator 10 uses
Iron core in-mould injection is integrally formed.As shown in figure 8, the shape of the fan blade 13 is Archimedian screw curved surface.Further, institute
Stating fan blade 13 is 11 or 13.
Further, the motor is three-phase direct-current brushless electrode, and revolving speed is at 80,000 revs/min ~ 120,000 revs/min.
The specific embodiment of the above is better embodiment of the invention, is not limited with this of the invention specific
Practical range, the scope of the present invention includes being not limited to present embodiment, made by all shape, structures according to the present invention
Equivalence changes are within the scope of the invention.