CN106655559B - Three-phase motor of dust collector structure - Google Patents
Three-phase motor of dust collector structure Download PDFInfo
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- CN106655559B CN106655559B CN201710051680.3A CN201710051680A CN106655559B CN 106655559 B CN106655559 B CN 106655559B CN 201710051680 A CN201710051680 A CN 201710051680A CN 106655559 B CN106655559 B CN 106655559B
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- 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
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
-
- 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
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/20—Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- 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
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/24—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors with channels or ducts for cooling medium between the conductors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of three-phase motor of dust collector structures, including stator core and stator winding, the stator core includes stator yoke and three stator poles, the center of stator core is equipped with rotor hole, the periphery of stator core is equipped with stator air duct, slot for winding is constituted between adjacent stator poles, the three winding air ducts parallel with stator poles side are formed in slot for winding between adjacent stator winding, the rear and front end of the stator core is respectively fixed with fore-stock and after-poppet, the rear and front end of rotor is separately positioned on fore-stock and after-poppet, rotor magnetic shoe is using whole column type structure, magnetic shoe material uses the permanent-magnet material of high energy product, the outer diameter of stator and rotor ratio is 3.5 to 5.0.It efficiently solves existing for the motor of dust collector of the prior art the problems such as noise is big, heat dissipation effect is poor and service life is short, and motor of dust collector noise of the invention is small, good heat dissipation effect and long service life, has very high practical value.
Description
Technical field
Stator poles that there are three small, good heat dissipation effects that the present invention relates to technical field of motors more particularly to a kind of noise and tool
Three-phase (three pole) motor of dust collector structure.
Background technique
The defects of generally existing noise of the motor of dust collector of the prior art is big, heat dissipation effect is poor and service life is short, simultaneously
The problem of part motor there is also power small, vacuum degree deficiency and dust removal ability difference, causes user experience bad.Publication date is
On 2 15th, 2012, the Chinese patent document of Publication No. CN102355082A disclosed a kind of motor of dust collector, including is located at
Air inlet on motor housing, and in motor housing and it is sequentially arranged the dynamic inducer below air inlet, quiet wind-guiding
Wheel and motor body；It is characterized in that being equipped with made of quieter material between the quiet inducer periphery and motor housing inner wall
Silencer cover, while the sound gobo made of quieter material is equipped between quiet inducer and motor body.The structure is on air duct
Sound-absorbing material is increased, the noise of motor can be reduced to a certain extent, but this sound-absorbing material will affect the ventilation in air duct
Effect, reduces the vacuum degree of motor of dust collector, also affects the heat dissipation of motor, reduces the service life of motor.Publication date
For on January 15th, 2014, the Chinese patent document of Publication No. CN203398941U disclosed a kind of motor of dust collector, including shell
Body, the lower end of shell are equipped with fan housing, and air inlet is equipped in the middle part of fan housing, and stator and rotor, rotor middle part are equipped in the inner cavity of shell
It is equipped with equipped with the shaft arranged vertically, in the fan housing with the relatively-stationary movable vane wheel in shaft lower end and relatively fixed with shell
Inducer, the lower surface of inducer is equipped with several wind blades, the outer surface of fan housing be equipped with and wind blade lower end surface where
The corresponding positioning surface in position, the lower end surface of the wind blade and fan housing inner surface fit closely.The patent is led by eliminating
Gap between wind wheel and fan housing is to make the operation stability of motor of dust collector get a promotion.But above-mentioned motor of dust collector is not
With degree there are noises it is big, heat dissipation effect is poor, vacuum degree deficiency and dust removal ability are poor the defects of.
Summary of the invention
The purpose of the present invention is to solve, noise existing for the motor of dust collector of the prior art is big, heat dissipation effect is poor and uses
The problems such as service life is short provides a kind of small noise, good heat dissipation effect and three-phase motor of dust collector structure with long service life.
The present invention is to solve above-mentioned technical problem the technical scheme adopted is that a kind of three-phase motor of dust collector structure, packet
It includes and the stator core and stator winding that constitute is overlapped by multi-disc stator punching, the stator core includes stator yoke and by stator yoke
The center of three stator poles that inner circle extends internally, stator core is equipped with rotor hole, and the stator poles are uniformly divided around centre bore
Cloth, the periphery of stator core are equipped with stator air duct, constitute slot for winding between adjacent stator poles, in slot for winding adjacent stator around
The three winding air ducts parallel with stator poles side (two sides of stator poles pole body) are formed between group, the stator core
Rear and front end is respectively fixed with fore-stock and after-poppet, and the rear and front end of rotor is separately positioned on fore-stock and after-poppet, turns
Sub- magnetic shoe uses the permanent-magnet material of high energy product using whole column type structure, magnetic shoe material；The outer diameter of stator and rotor ratio is
3.5 to 5.0.Stator of the invention uses three-phase (three pole) scheme, so that stator winding slot has biggish cross-sectional area, stator
The capacity of slot for winding increases, and is conducive to the wiring of stator winding and the setting of stator core internal heat dissipating and aeration structure.This hair
The bright stator air duct between the periphery and pod of stator core, while being additionally provided between stator winding adjacent in slot for winding
The winding air duct parallel with stator poles side (considers the side deflection situation that may be present of stator poles, i.e. stator poles here
The side not situation parallel with machine shaft), it is most of after the wind sucked from fan housing front center air inlet is by inducer
It being blown out backward by the stator air duct of stator exterior, a part in addition enters stator interior and is blown out backward by winding air duct,
In this way, motor of dust collector of the invention forms outer air duct (stator air duct) and three interior air ducts (winding air duct), total
Wind flow it is constant under conditions of, the flow velocity of motor interior air-flow can be reduced, to substantially reduce the wind noise of motor；Another party
Face, inside and outside air duct can better play the air blast cooling heat spreading function to stator core and stator winding, reduce the temperature of motor
It rises, to improve the power of motor under conditions of equal volume, so that dust catcher has enough vacuum degrees, improves dust catcher
Dust removal effect.For motor of the rotor using permanent magnet, using the rare earth permanent-magnetic material of high energy product, it can be ensured that obtain
Superpower air gap flux density is obtained, the power density of motor is greatly promoted；And the outer diameter ratio of reasonable stator and rotor is used, it can make
The various aspects of performance of motor reaches an ideal effect.
Preferably, the rear side of fore-stock is equipped with pod, the pod is set in stator core periphery and and stator
The stator air duct is formed between iron core, annular inducer is fixed on fore-stock, inducer is equipped with wind blade, fixed
Centrifugal fan in rotor front end is arranged in inducer, and the periphery of inducer is equipped with cylindric fan housing, the front end of fan housing
Center is equipped with air inlet, and the rear end of fan housing is fixed on fore-stock.
Preferably, stator core is cylindrical, the stator poles include pole body, pole shoe and pole tip, and pole body is close to rotor
The centre of hole one end is equipped with crown slot, and the cross section of the crown slot is in rectangle, the width of crown slot be pole-core width 18% to
21%, the depth of crown slot is the 40% to 60% of crown groove width, and stator pole embrace is 0.55 to 0.67.At close turn of pole body
Crown slot is arranged in the intermediate of sub-aperture one end, can effectively inhibit cogging torque (torque), reduces motor operation noise and vibration,
Improve the stationarity of motor operation.And reasonable stator pole embrace is used, the performance of motor can be made to reach an ideal
Effect.
Preferably, being convexly equipped with three boss on the excircle of stator core, the boss is corresponding with stator poles and is located at
The center in the outside of stator poles, boss is equipped with locating slot, and the both ends of the surface of stator core are equipped with insulating layer；The locating slot includes
The outer groove of one cross section semicircular in shape, it is semicircular inside groove that the bottom of outer groove, which is equipped with a cross section, and the diameter of inside groove is small
In the diameter of outer groove；Fore-stock is Y-shaped with after-poppet, including three stabilizer blades corresponding with stator core convex platform position,
Fore-stock and after-poppet pass through stabilizer blade and are separately fixed on the boss of stator core rear and front end.Boss cooperation locating slot is used for
Fore-stock, after-poppet and stator core three are fixed, outer groove is used for mounting bracket fixing bolt, and inside groove is for front and back support
Positioning, while the external surface area that locating slot increases stator core is opened up, be conducive to the heat dissipation of stator core.
Preferably, inducer includes circular wheel carrier, the wind blade is integrated the front layer being arranged on wheel carrier
Blade and rear layer blade, the front layer blade and rear layer blade are arranged around wheel carrier center in centrifugal rotation, described
Front layer blade is arranged circumferentially along wheel carrier, the rear layer blade front layer blade rear side subsection setup and direction of rotation with
Front layer blade is on the contrary, be formed with stabilizer blade evacuation notch, rear layer blade is located at adjacent on fore-stock between layer blade after adjacent two sections
Two stabilizer blades between, the centrifugal fan is arranged on the inside of the front layer blade of inducer, the direction of rotation of centrifugal fan
It is opposite with the direction of rotation of front layer blade.Front layer blade and rear layer blade on inducer for constraining working air current, lead by cooperation
Fan housing blows out air-flow steadily backward, reduces air-flow caused noise at random, while improving the heat dissipation effect of motor, promotes vacuum
Degree.Here centrifugal rotation arrangement refers to that arc shaped blade annular array on a certain circumference forms structure, with centrifugal fan
Fan blade usually used arrangement mode it is consistent.
Preferably, the front layer blade and rear layer blade are wide structure in the axial direction of the motor, and front layer leaf
The width of piece in the axial direction of the motor is less than the width of rear layer blade in the axial direction of the motor, and front layer blade is in motor circumferential direction
Length is greater than length of the rear layer blade in motor circumferential direction, and front layer blade and rear layer blade are in arc on the radial section of motor
Shape, front layer blade are greater than the width upward in motor shaft of the centrifugal fan on rotor in the upward width of motor shaft.With rear layer
Blade is compared, front layer blade narrower width in the axial direction of the motor and length is longer in the circumferential direction of motor, such structure
The high-speed flow that periphery is formed when being conducive to rotate centrifugal fan is smoothly exported between front layer blade rapidly；Then layer leaf
Axially long, the circumferentially short structure of piece can reduce windage, and the air-flow for being conducive to go out from front layer Leaf Conductance passes through rear layer blade and returns
Tones and winding channel reduce noise.
Preferably, pod is cylindrical, the cross section in stator air duct is in circular ring shape；The cross section in winding air duct is in outer
Narrow tubaeform in width, the total cross-sectional area (cross-sectional area sum in three winding air ducts) in three winding air ducts is stator air duct
The 20% to 30% of cross-sectional area.Columnar pod helps to prevent air-flow at random, and reasonably selects the transversal of winding air duct
Face shape and throughput ratio with stator air duct, can be effectively reduced the pneumatic noise of motor, while improving the heat dissipation of motor
Effect promotes vacuum degree.Here the tubaeform intrados and stator for referring to the periphery cambered surface by two sides stator winding, stator yoke
The figure that two stator poles pole tip lines of wire casing opening are enclosed.
It is axially put down preferably, being formed with several on the stator winding outer peripheral surface adjacent with the winding air duct with motor
Capable raised line, the cross section semicircular in shape of raised line.On the one hand raised line is conducive to increase the surface area of stator winding and air flow contacts,
On the other hand the heat dissipation effect for improving stator winding facilitates to constrain the air flow direction in winding air duct, reduces the noise of motor.
Preferably, the ventilation hole parallel with stator poles side is equipped among the stator winding of stator poles two sides, it is described
Ventilation hole cross section it is trapezoidal, the side of trapezoidal bottom (long side in trapezoidal two parallel edges) and stator poles
In parallel, by arc transition, the cross-sectional area of ventilation hole is the 20% of winding air duct cross-sectional area for trapezoidal adjacent both sides junction
To 30%.Ventilation hole is set in stator winding, can further increase the heat dissipation effect of stator winding, and by the cross of ventilation hole
Section is set as trapezoidal, on the one hand can simplify technique, is on the other hand the cross-sectional structure according to stator winding, and use is trapezoidal
Stator winding its thickness around ventilation hole can be made roughly equal, to realize best heat dissipation effect；Ventilation hole simultaneously
With shunting function, be conducive to the noise for further decreasing motor, preferably the throughput ratio of ventilation hole and winding air duct, it can be with
Make heat dissipation with noise reduction achieve the effect that one it is more satisfactory.Here the cross-sectional area of ventilation hole is winding air duct cross-sectional area
20% to 30%, refer to that the cross-sectional area of single ventilation hole is the 20% to 30% of the cross-sectional area in single winding air duct.
It is similar with the raised line being arranged on the inner stator winding outer peripheral surface of winding air duct, on the stator winding of ventilation hole inner wall
The raised line parallel with ventilation hole can be set, on the one hand setting raised line is conducive to increase the surface of stator winding and air flow contacts
Product, improves the heat dissipation effect of stator winding, on the other hand facilitates to constrain the air flow direction in ventilation hole, reduces making an uproar for motor
Sound.
It should be noted that the aforementioned techniques parameter of motor of the present invention is all the composite test by various parameters many times
The optimal value obtained afterwards, it has comprehensively considered various factors such as noise, temperature rise, volume and the production technology restriction of motor,
It is the one preferred technique parameter value for meeting actual production requirement.In addition, electric machine structure of the invention is suitable for direct current permanent magnet motor,
It can be applied to Thee-phase alternating current permanent-magnetic motor.
The beneficial effects of the present invention are: it to efficiently solve noise existing for the motor of dust collector of the prior art big, scattered
The problems such as thermal effect difference and short service life, motor of dust collector noise of the invention is small, good heat dissipation effect and long service life, subtracts
The volume for having lacked motor improves dust removal ability, has very high practical value.
Detailed description of the invention
Fig. 1 is a kind of structure sectional view of the invention；
Fig. 2 is a kind of structural schematic diagram of stator punching of the present invention；
Fig. 3 is a kind of dimensional decomposition structure diagram of the invention；
Fig. 4 is a kind of cross-sectional structure schematic diagram of the invention；
Fig. 5 is a kind of structure sectional view of rotor of the present invention；
Fig. 6 is another cross-sectional structure schematic diagram of the invention.
In figure: 1. stator cores, 2. stator winding, 3. stator yokes, 4. stator poles, 5. rotor holes, 6. slot for windings, 7. windings
Air duct, 8. fore-stocks, 9. after-poppet, 10. rotor, 11. pods, 12. stator air ducts, 13. inducers, 14. centrifugal fans,
15. fan housing, 16. air inlets, 17. pole bodies, 18. pole shoes, 19. pole tips, 20. crown slots, 21. boss, 22. locating slots, 23. insulation
Layer, 24. stabilizer blades, 25. front layer blades, layer blade after 26., 27. evacuation notches, 28. ventilation holes.
Specific embodiment
The specific embodiment of technical solution of the present invention is made further below by way of examples and with reference to the accompanying drawings
It is bright.
Embodiment 1
In embodiment 1 as shown in Figure 1, a kind of three-phase motor of dust collector structure, including overlapped by multi-disc stator punching
The stator core 1 and stator winding 2 of composition, the stator core is cylindrical, and stator core includes stator yoke 3 and by stator yoke
Three stator poles 4 that inner circle extends internally, the stator poles include that pole body 17, pole shoe 18 and pole tip 19(are shown in Fig. 2), pole body is close
The centre of rotor hole one end is equipped with crown slot 20, and the cross section of the crown slot is in rectangle, and the width of crown slot is pole-core width
19%, the depth of crown slot is the 40% to 60% of crown groove width, the present embodiment 45%；Projection on the excircle of stator core
There are three boss 21, the boss is corresponding with stator poles and is located at the outside of stator poles, and the center of boss is equipped with locating slot 22, fixed
Position slot includes the outer groove of a cross section semicircular in shape, and it is semicircular inside groove, inside groove that the bottom of outer groove, which is equipped with a cross section,
Diameter be less than the diameter of outer groove, the both ends of the surface of stator core are equipped with insulating layer 23(and see Fig. 3).
The center of stator core is equipped with rotor hole 5, and the stator poles are uniformly distributed around centre bore, adjacent stator poles it
Between constitute slot for winding 6, be formed with the three winding air ducts parallel with stator poles side between adjacent stator winding in slot for winding
7, the cross section in winding air duct is in tubaeform (see figure 4) wide outside and narrow inside, and the rear and front end of the stator core is respectively fixed with
Fore-stock 8 and after-poppet 9, fore-stock is Y-shaped with after-poppet, including three branch corresponding with stator core convex platform position
Foot 24, fore-stock and after-poppet pass through stabilizer blade and are separately fixed on the boss of stator core rear and front end.Permanent magnet rotor 10
The rear and front end of (see figure 5) is separately positioned on fore-stock and after-poppet, and rotor magnetic shoe is using whole column type structure, magnetic shoe material
Material uses the permanent-magnet material of high energy product；The rear side of fore-stock is equipped with columnar pod 11, and the pod is set in fixed
Sub- outer diameter and stator air duct 12 is formed between stator core, the cross section in stator air duct is in circular ring shape, three windings
The total cross-sectional area in air duct is the 20% to 30% of stator air duct cross-sectional area, the present embodiment 25%；Annular is fixed on fore-stock
Inducer 13, inducer include circular wheel carrier, and inducer is equipped with wind blade, and the wind blade is integrated setting and exists
Front layer blade 25 and rear layer blade 26 on wheel carrier, the front layer blade is with rear layer blade around wheel carrier center in centrifugal
Rotation arrangement, the front layer blade are arranged circumferentially along wheel carrier, and the rear layer blade is segmented in the rear side of front layer blade
It is arranged and direction of rotation is opposite with front layer blade.Front layer blade and rear layer blade are wide structure in the axial direction of the motor, and
The width of front layer blade in the axial direction of the motor is less than the width of rear layer blade in the axial direction of the motor, and front layer blade is in motor week
Upward length is greater than length of the rear layer blade in motor circumferential direction, and front layer blade and rear layer blade are on the radial section of motor
It is arc-shaped, it is formed with stabilizer blade evacuation notch 27 after adjacent two sections between layer blade, rear layer blade is located at adjacent two on fore-stock
Between a stabilizer blade, the centrifugal fan 14 for being fixed on rotor front end is arranged on the inside of the front layer blade in inducer, front layer blade
It is greater than the width upward in motor shaft of the centrifugal fan on rotor, the rotation side of centrifugal fan in the upward width of motor shaft
To opposite with the direction of rotation of front layer blade.The periphery of inducer is equipped with cylindric fan housing 15, before the rear end of fan housing is fixed on
On bracket, the front center of fan housing is equipped with air inlet 16.The stator of the present embodiment and the outer diameter ratio of rotor are 3.8, stator polar arc
Coefficient is 0.58.
Embodiment 2
In example 2, be formed on the stator winding outer peripheral surface adjacent with winding air duct 3 it is axially parallel with motor
Raised line (is not drawn into) in figure, the cross section semicircular in shape of raised line, the height of projection of raised line be winding air duct two sides stator winding it
Between minimum spacing 15%, remaining and embodiment 1 are identical.
Embodiment 3
In embodiment 3 shown in Fig. 6, it is equipped among the stator winding of stator poles two sides parallel with stator poles side
The cross section of ventilation hole 28, the ventilation hole is trapezoidal, and the trapezoidal bottom is parallel with the side of stator poles, trapezoidal
By arc transition, the cross-sectional area of ventilation hole is the 24% of winding air duct cross-sectional area for adjacent both sides junction, remaining and implement
Example 1 or embodiment 2 are identical.
Embodiment 4
In example 4, several raised lines parallel with ventilation hole are set (in figure not on the stator winding in ventilation hole
Draw), the upper bottom edge of trapezoidal ventilation hole is equipped with two raised lines, and bottom is equipped with three raised lines, and raised line is on place bottom edge
It is evenly arranged in length, the cross section semicircular in shape of raised line, the height of projection of raised line is that (upper bottom edge is under for trapezoidal ventilation hole height
The distance between bottom edge) 12%, remaining and embodiment 3 are identical.
When motor of the invention works, the work of the wind centrifugal fan on rotor sucked from fan housing front center air inlet
The front layer blade for passing through inducer from inside to outside under, layer blade after entrance of turning back after being stopped by fan housing, passes through two layers of blade
Constraint to air-flow, most of air-flow are blown out backward by the stator air duct of stator exterior, remaining part enters stator interior
It is blown out backward by winding air duct, in this way, motor of dust collector of the invention forms outer air duct (stator air duct) and three
Interior air duct (winding air duct) can reduce the flow velocity of motor interior air-flow under conditions of total wind flow is constant, to drop significantly
The wind noise of low motor；On the other hand, inside and outside air duct can better play the air blast cooling to stator core and stator winding
Heat spreading function reduces the temperature rise of motor, so that the power of motor is improved under conditions of equal volume, so that dust catcher has
Enough vacuum degrees improve the dust removal effect of dust catcher.
In addition to the implementation, within the scope of the claims of the present invention and the specification, skill of the invention
Art feature or technical data can be reselected and be combined, to constitute new embodiment, these are all art technologies
Personnel are without carrying out what creative work can be realized, therefore the embodiment that these present invention are not described in also should be regarded as this
The specific embodiment of invention and within protection scope of the present invention.
Claims (7)
1. a kind of three-phase motor of dust collector structure, it is characterised in that: including overlapping the stator core constituted by multi-disc stator punching
(1) and stator winding (2), the stator core includes stator yoke (3) and three stator poles being extended internally by stator yoke inner circle
(4), the center of stator core is equipped with rotor hole (5), and the stator poles are uniformly distributed around centre bore, and the periphery of stator core is set
Have stator air duct (12), constitute slot for winding (6) between adjacent stator poles, is formed between adjacent stator winding in slot for winding
The three winding air ducts (7) parallel with stator poles side, the rear and front end of the stator core be respectively fixed with fore-stock (8) with
After-poppet (9), the rear and front end of rotor (10) are separately positioned on fore-stock and after-poppet, and rotor magnetic shoe is using whole column type
Structure, magnetic shoe material use the permanent-magnet material of high energy product；The outer diameter of stator and rotor ratio is 3.5 to 5.0；The fore-stock
Rear side is equipped with pod (11), and the pod is set in stator core periphery and forms the stator between stator core
Air duct is fixed with annular inducer (13) on fore-stock, and inducer is equipped with wind blade, is fixed on the centrifugal of rotor front end
Fan blade (14) is arranged in inducer, and the periphery of inducer is equipped with cylindric fan housing (15), the front center of fan housing be equipped with into
Air port (16), the rear end of fan housing are fixed on fore-stock；Pod is cylindrical, and the cross section in stator air duct is in circular ring shape；Around
In wide outside and narrow inside tubaeform, the total cross-sectional area in three winding air ducts is stator air duct cross-sectional area for the cross section in group air duct
20% to 30%；It is axially parallel convex with motor with being formed with several on the adjacent stator winding outer peripheral surface in the winding air duct
Item, the cross section semicircular in shape of raised line.
2. three-phase motor of dust collector structure according to claim 1, it is characterised in that: the stator core is cylindrical,
The stator poles include pole body (17), pole shoe (18) and pole tip (19), and pole body is equipped with crown slot close to the centre of rotor hole one end
(20), the cross section of the crown slot is in rectangle, and the width of crown slot is the 18% to 21% of pole-core width, and the depth of crown slot is
The 40% to 60% of crown groove width, stator pole embrace are 0.55 to 0.67.
3. three-phase motor of dust collector structure according to claim 1, it is characterised in that: projection on the excircle of stator core
There are three boss (21), the boss is corresponding with stator poles and is located at the outside of stator poles, and the center of boss is equipped with locating slot
(22), the both ends of the surface of stator core are equipped with insulating layer (23)；The locating slot includes the outer groove of a cross section semicircular in shape,
It is semicircular inside groove that the bottom of outer groove, which is equipped with a cross section, and the diameter of inside groove is less than the diameter of outer groove.
4. three-phase motor of dust collector structure according to claim 3, it is characterised in that: fore-stock is Y-shaped with after-poppet,
Including three stabilizer blades (24) corresponding with stator core convex platform position, fore-stock passes through stabilizer blade with after-poppet to be fixed respectively
On the boss of stator core rear and front end.
5. three-phase motor of dust collector structure according to claim 1, it is characterised in that: the inducer includes annular shape
Wheel carrier, the wind blade is integrated the front layer blade (25) that is arranged on wheel carrier and rear layer blade (26), the front layer
Blade and rear layer blade arrange that the front layer blade is along the circumferentially uniform cloth of wheel carrier in centrifugal rotation around wheel carrier center
Set, the rear layer blade front layer blade rear side subsection setup and direction of rotation and front layer blade on the contrary, after adjacent two sections
It is formed with stabilizer blade evacuation notch (27) between layer blade, rear layer blade is located between two stabilizer blades adjacent on fore-stock, described
Centrifugal fan is arranged on the inside of the front layer blade of inducer, the direction of rotation of centrifugal fan and the direction of rotation of front layer blade
On the contrary.
6. three-phase motor of dust collector structure according to claim 5, it is characterised in that: the front layer blade and rear layer leaf
Piece is wide structure in the axial direction of the motor, and the width of front layer blade in the axial direction of the motor is less than rear layer blade in motor
Axial direction on width, front layer blade the length in motor circumferential direction be greater than length of the rear layer blade in motor circumferential direction, front layer
Blade and rear layer blade are arc-shaped on the radial section of motor, and front layer blade is greater than on rotor in the upward width of motor shaft
The centrifugal fan width upward in motor shaft.
7. three-phase motor of dust collector structure according to claim 1-6, it is characterised in that: determine stator poles two sides
The ventilation hole parallel with stator poles side (28) are equipped among sub- winding, the cross section of the ventilation hole is trapezoidal, described
Trapezoidal bottom is parallel with the side of stator poles, trapezoidal adjacent both sides junction by arc transition, ventilation hole it is transversal
Area is the 20% to 30% of winding air duct cross-sectional area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710051680.3A CN106655559B (en) | 2017-01-21 | 2017-01-21 | Three-phase motor of dust collector structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710051680.3A CN106655559B (en) | 2017-01-21 | 2017-01-21 | Three-phase motor of dust collector structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106655559A CN106655559A (en) | 2017-05-10 |
| CN106655559B true CN106655559B (en) | 2019-01-04 |
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| CN201710051680.3A Active CN106655559B (en) | 2017-01-21 | 2017-01-21 | Three-phase motor of dust collector structure |
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| CN113541347B (en) * | 2021-07-15 | 2023-03-24 | 广东金霸智能科技股份有限公司 | Dust collector and dust collector motor assembly |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101667770A (en) * | 2008-09-03 | 2010-03-10 | 德昌电机(深圳)有限公司 | Fuel pump and brushless DC motor |
| CN104979928A (en) * | 2015-07-14 | 2015-10-14 | 抚顺天工元科技有限责任公司 | Permanent magnet brushless DC motor |
| CN204992936U (en) * | 2015-07-16 | 2016-01-20 | 莱克电气股份有限公司 | There is not hall three -phase dust catcher motor at a high speed |
| CN105762985A (en) * | 2016-05-09 | 2016-07-13 | 浙江博大实业有限公司 | Brushless direct-current electric tool |
| CN205509812U (en) * | 2016-04-07 | 2016-08-24 | 苏州工业园区星德胜电机有限公司 | High -efficient brushless DC motor |
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2017
- 2017-01-21 CN CN201710051680.3A patent/CN106655559B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101667770A (en) * | 2008-09-03 | 2010-03-10 | 德昌电机(深圳)有限公司 | Fuel pump and brushless DC motor |
| CN104979928A (en) * | 2015-07-14 | 2015-10-14 | 抚顺天工元科技有限责任公司 | Permanent magnet brushless DC motor |
| CN204992936U (en) * | 2015-07-16 | 2016-01-20 | 莱克电气股份有限公司 | There is not hall three -phase dust catcher motor at a high speed |
| CN205509812U (en) * | 2016-04-07 | 2016-08-24 | 苏州工业园区星德胜电机有限公司 | High -efficient brushless DC motor |
| CN105762985A (en) * | 2016-05-09 | 2016-07-13 | 浙江博大实业有限公司 | Brushless direct-current electric tool |
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| CN106655559A (en) | 2017-05-10 |
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